--- /dev/null
+/*
+ * Copyright 2002
+ Mike McCormack for CodeWeavers
+ * Copyright 2004,2005 Juan Lang
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * FIXME:
+ * - As you can see in the stubs below, support for CRLs and CTLs is missing.
+ * Mostly this should be copy-paste work, and some code (e.g. extended
+ * properties) could be shared between them.
+ * - Opening a cert store provider should be morphed to support loading
+ * external DLLs.
+ * - The concept of physical stores and locations isn't implemented. (This
+ * doesn't mean registry stores et al aren't implemented. See the PSDK for
+ * registering and enumerating physical stores and locations.)
+ * - Many flags, options and whatnot are unimplemented.
+ */
+
+#include "precomp.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(crypt);
+
+#define WINE_CRYPTCERTSTORE_MAGIC 0x74726563
+/* The following aren't defined in wincrypt.h, as they're "reserved" */
+#define CERT_CERT_PROP_ID 32
+#define CERT_CRL_PROP_ID 33
+#define CERT_CTL_PROP_ID 34
+
+/* Some typedefs that make it easier to abstract which type of context we're
+ * working with.
+ */
+typedef const void *(WINAPI *CreateContextFunc)(DWORD dwCertEncodingType,
+ const BYTE *pbCertEncoded, DWORD cbCertEncoded);
+typedef BOOL (WINAPI *AddContextToStoreFunc)(HCERTSTORE hCertStore,
+ const void *context, DWORD dwAddDisposition, const void **ppStoreContext);
+typedef BOOL (WINAPI *AddEncodedContextToStoreFunc)(HCERTSTORE hCertStore,
+ DWORD dwCertEncodingType, const BYTE *pbEncoded, DWORD cbEncoded,
+ DWORD dwAddDisposition, const void **ppContext);
+typedef const void *(WINAPI *EnumContextsInStoreFunc)(HCERTSTORE hCertStore,
+ const void *pPrevContext);
+typedef BOOL (WINAPI *GetContextPropertyFunc)(const void *context,
+ DWORD dwPropID, void *pvData, DWORD *pcbData);
+typedef BOOL (WINAPI *SetContextPropertyFunc)(const void *context,
+ DWORD dwPropID, DWORD dwFlags, const void *pvData);
+typedef BOOL (WINAPI *SerializeElementFunc)(const void *context, DWORD dwFlags,
+ BYTE *pbElement, DWORD *pcbElement);
+typedef BOOL (WINAPI *FreeContextFunc)(const void *context);
+typedef BOOL (WINAPI *DeleteContextFunc)(const void *context);
+
+/* An abstract context (certificate, CRL, or CTL) interface */
+typedef struct _WINE_CONTEXT_INTERFACE
+{
+ CreateContextFunc create;
+ AddContextToStoreFunc addContextToStore;
+ AddEncodedContextToStoreFunc addEncodedToStore;
+ EnumContextsInStoreFunc enumContextsInStore;
+ GetContextPropertyFunc getProp;
+ SetContextPropertyFunc setProp;
+ SerializeElementFunc serialize;
+ FreeContextFunc free;
+ DeleteContextFunc deleteFromStore;
+} WINE_CONTEXT_INTERFACE, *PWINE_CONTEXT_INTERFACE;
+
+static const WINE_CONTEXT_INTERFACE gCertInterface = {
+ (CreateContextFunc)CertCreateCertificateContext,
+ (AddContextToStoreFunc)CertAddCertificateContextToStore,
+ (AddEncodedContextToStoreFunc)CertAddEncodedCertificateToStore,
+ (EnumContextsInStoreFunc)CertEnumCertificatesInStore,
+ (GetContextPropertyFunc)CertGetCertificateContextProperty,
+ (SetContextPropertyFunc)CertSetCertificateContextProperty,
+ (SerializeElementFunc)CertSerializeCertificateStoreElement,
+ (FreeContextFunc)CertFreeCertificateContext,
+ (DeleteContextFunc)CertDeleteCertificateFromStore,
+};
+
+static const WINE_CONTEXT_INTERFACE gCRLInterface = {
+ (CreateContextFunc)CertCreateCRLContext,
+ (AddContextToStoreFunc)CertAddCRLContextToStore,
+ (AddEncodedContextToStoreFunc)CertAddEncodedCRLToStore,
+ (EnumContextsInStoreFunc)CertEnumCRLsInStore,
+ (GetContextPropertyFunc)CertGetCRLContextProperty,
+ (SetContextPropertyFunc)CertSetCRLContextProperty,
+ (SerializeElementFunc)CertSerializeCRLStoreElement,
+ (FreeContextFunc)CertFreeCRLContext,
+ (DeleteContextFunc)CertDeleteCRLFromStore,
+};
+
+static const WINE_CONTEXT_INTERFACE gCTLInterface = {
+ (CreateContextFunc)CertCreateCTLContext,
+ (AddContextToStoreFunc)CertAddCTLContextToStore,
+ (AddEncodedContextToStoreFunc)CertAddEncodedCTLToStore,
+ (EnumContextsInStoreFunc)CertEnumCTLsInStore,
+ (GetContextPropertyFunc)CertGetCTLContextProperty,
+ (SetContextPropertyFunc)CertSetCTLContextProperty,
+ (SerializeElementFunc)CertSerializeCTLStoreElement,
+ (FreeContextFunc)CertFreeCTLContext,
+ (DeleteContextFunc)CertDeleteCTLFromStore,
+};
+
+struct WINE_CRYPTCERTSTORE;
+
+typedef struct WINE_CRYPTCERTSTORE * (*StoreOpenFunc)(HCRYPTPROV hCryptProv,
+ DWORD dwFlags, const void *pvPara);
+
+struct _WINE_CERT_CONTEXT_REF;
+
+/* Called to enumerate the next certificate in a store. The returned pointer
+ * must be newly allocated (via CryptMemAlloc): CertFreeCertificateContext
+ * frees it.
+ */
+typedef struct _WINE_CERT_CONTEXT_REF * (*EnumCertFunc)
+ (struct WINE_CRYPTCERTSTORE *store, struct _WINE_CERT_CONTEXT_REF *pPrev);
+
+struct _WINE_CERT_CONTEXT;
+
+/* Called to create a new reference to an existing cert context. Should call
+ * CRYPT_InitCertRef to make sure the reference count is properly updated.
+ * If the store does not provide any additional allocated data (that is, does
+ * not need to implement a FreeCertFunc), it may use CRYPT_CreateCertRef for
+ * this.
+ */
+typedef struct _WINE_CERT_CONTEXT_REF * (*CreateRefFunc)
+ (struct _WINE_CERT_CONTEXT *context, HCERTSTORE store);
+
+/* Optional, called when a cert context reference is being freed. Don't free
+ * the ref pointer itself, CertFreeCertificateContext does that.
+ */
+typedef void (*FreeCertFunc)(struct _WINE_CERT_CONTEXT_REF *ref);
+
+typedef enum _CertStoreType {
+ StoreTypeMem,
+ StoreTypeCollection,
+ StoreTypeReg,
+ StoreTypeDummy,
+} CertStoreType;
+
+/* A cert store is polymorphic through the use of function pointers. A type
+ * is still needed to distinguish collection stores from other types.
+ * On the function pointers:
+ * - closeStore is called when the store's ref count becomes 0
+ * - addCert is called with a PWINE_CERT_CONTEXT as the second parameter
+ * - control is optional, but should be implemented by any store that supports
+ * persistence
+ */
+typedef struct WINE_CRYPTCERTSTORE
+{
+ DWORD dwMagic;
+ LONG ref;
+ DWORD dwOpenFlags;
+ HCRYPTPROV cryptProv;
+ CertStoreType type;
+ PFN_CERT_STORE_PROV_CLOSE closeStore;
+ PFN_CERT_STORE_PROV_WRITE_CERT addCert;
+ CreateRefFunc createCertRef;
+ EnumCertFunc enumCert;
+ PFN_CERT_STORE_PROV_DELETE_CERT deleteCert;
+ FreeCertFunc freeCert; /* optional */
+ PFN_CERT_STORE_PROV_CONTROL control; /* optional */
+} WINECRYPT_CERTSTORE, *PWINECRYPT_CERTSTORE;
+
+/* A certificate context has pointers to data that are owned by this module,
+ * so rather than duplicate the data every time a certificate context is
+ * copied, I keep a reference count to the data. Thus I have two data
+ * structures, the "true" certificate context (that has the reference count)
+ * and a reference certificate context, that has a pointer to the true context.
+ * Each one can be cast to a PCERT_CONTEXT, though you'll usually be dealing
+ * with the reference version.
+ */
+typedef struct _WINE_CERT_CONTEXT
+{
+ CERT_CONTEXT cert;
+ LONG ref;
+ CRITICAL_SECTION cs;
+ struct list extendedProperties;
+} WINE_CERT_CONTEXT, *PWINE_CERT_CONTEXT;
+
+typedef struct _WINE_CERT_CONTEXT_REF
+{
+ CERT_CONTEXT cert;
+ WINE_CERT_CONTEXT *context;
+} WINE_CERT_CONTEXT_REF, *PWINE_CERT_CONTEXT_REF;
+
+/* An extended certificate property in serialized form is prefixed by this
+ * header.
+ */
+typedef struct _WINE_CERT_PROP_HEADER
+{
+ DWORD propID;
+ DWORD unknown; /* always 1 */
+ DWORD cb;
+} WINE_CERT_PROP_HEADER, *PWINE_CERT_PROP_HEADER;
+
+/* Stores an extended property in a cert. */
+typedef struct _WINE_CERT_PROPERTY
+{
+ WINE_CERT_PROP_HEADER hdr;
+ LPBYTE pbData;
+ struct list entry;
+} WINE_CERT_PROPERTY, *PWINE_CERT_PROPERTY;
+
+/* A mem store has a list of these. They're also returned by the mem store
+ * during enumeration.
+ */
+typedef struct _WINE_CERT_LIST_ENTRY
+{
+ WINE_CERT_CONTEXT_REF cert;
+ struct list entry;
+} WINE_CERT_LIST_ENTRY, *PWINE_CERT_LIST_ENTRY;
+
+typedef struct _WINE_MEMSTORE
+{
+ WINECRYPT_CERTSTORE hdr;
+ CRITICAL_SECTION cs;
+ struct list certs;
+} WINE_MEMSTORE, *PWINE_MEMSTORE;
+
+typedef struct _WINE_HASH_TO_DELETE
+{
+ BYTE hash[20];
+ struct list entry;
+} WINE_HASH_TO_DELETE, *PWINE_HASH_TO_DELETE;
+
+/* Returned by a reg store during enumeration. */
+typedef struct _WINE_REG_CERT_CONTEXT
+{
+ WINE_CERT_CONTEXT_REF cert;
+ PWINE_CERT_CONTEXT_REF childContext;
+} WINE_REG_CERT_CONTEXT, *PWINE_REG_CERT_CONTEXT;
+
+typedef struct _WINE_REGSTORE
+{
+ WINECRYPT_CERTSTORE hdr;
+ PWINECRYPT_CERTSTORE memStore;
+ HKEY key;
+ BOOL dirty;
+ CRITICAL_SECTION cs;
+ struct list certsToDelete;
+} WINE_REGSTORE, *PWINE_REGSTORE;
+
+typedef struct _WINE_STORE_LIST_ENTRY
+{
+ PWINECRYPT_CERTSTORE store;
+ DWORD dwUpdateFlags;
+ DWORD dwPriority;
+ struct list entry;
+} WINE_STORE_LIST_ENTRY, *PWINE_STORE_LIST_ENTRY;
+
+/* Returned by a collection store during enumeration.
+ * Note: relies on the list entry being valid after use, which a number of
+ * conditions might make untrue (reentrancy, closing a collection store before
+ * continuing an enumeration on it, ...). The tests seem to indicate this
+ * sort of unsafety is okay, since Windows isn't well-behaved in these
+ * scenarios either.
+ */
+typedef struct _WINE_COLLECTION_CERT_CONTEXT
+{
+ WINE_CERT_CONTEXT_REF cert;
+ PWINE_STORE_LIST_ENTRY entry;
+ PWINE_CERT_CONTEXT_REF childContext;
+} WINE_COLLECTION_CERT_CONTEXT, *PWINE_COLLECTION_CERT_CONTEXT;
+
+typedef struct _WINE_COLLECTIONSTORE
+{
+ WINECRYPT_CERTSTORE hdr;
+ CRITICAL_SECTION cs;
+ struct list stores;
+} WINE_COLLECTIONSTORE, *PWINE_COLLECTIONSTORE;
+
+/* Like CertGetCertificateContextProperty, but operates directly on the
+ * WINE_CERT_CONTEXT. Doesn't support special-case properties, since they
+ * are handled by CertGetCertificateContextProperty, and are particular to the
+ * store in which the property exists (which is separate from the context.)
+ */
+static BOOL WINAPI CRYPT_GetCertificateContextProperty(
+ PWINE_CERT_CONTEXT context, DWORD dwPropId, void *pvData, DWORD *pcbData);
+
+/* Like CertSetCertificateContextProperty, but operates directly on the
+ * WINE_CERT_CONTEXT. Doesn't handle special cases, since they're handled by
+ * CertSetCertificateContextProperty anyway.
+ */
+static BOOL WINAPI CRYPT_SetCertificateContextProperty(
+ PWINE_CERT_CONTEXT context, DWORD dwPropId, DWORD dwFlags, const void *pvData);
+
+/* Helper function for store reading functions and
+ * CertAddSerializedElementToStore. Returns a context of the appropriate type
+ * if it can, or NULL otherwise. Doesn't validate any of the properties in
+ * the serialized context (for example, bad hashes are retained.)
+ * *pdwContentType is set to the type of the returned context.
+ */
+static const void * WINAPI CRYPT_ReadSerializedElement(const BYTE *pbElement,
+ DWORD cbElement, DWORD dwContextTypeFlags, DWORD *pdwContentType);
+
+/* filter for page-fault exceptions */
+static WINE_EXCEPTION_FILTER(page_fault)
+{
+ if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
+ return EXCEPTION_EXECUTE_HANDLER;
+ return EXCEPTION_CONTINUE_SEARCH;
+}
+
+static void CRYPT_InitStore(WINECRYPT_CERTSTORE *store, HCRYPTPROV hCryptProv,
+ DWORD dwFlags, CertStoreType type)
+{
+ store->ref = 1;
+ store->dwMagic = WINE_CRYPTCERTSTORE_MAGIC;
+ store->type = type;
+ if (!hCryptProv)
+ {
+ hCryptProv = CRYPT_GetDefaultProvider();
+ dwFlags |= CERT_STORE_NO_CRYPT_RELEASE_FLAG;
+ }
+ store->cryptProv = hCryptProv;
+ store->dwOpenFlags = dwFlags;
+}
+
+/* Initializes the reference ref to point to pCertContext, which is assumed to
+ * be a PWINE_CERT_CONTEXT, and increments pCertContext's reference count.
+ * Also sets the hCertStore member of the reference to store.
+ */
+static void CRYPT_InitCertRef(PWINE_CERT_CONTEXT_REF ref,
+ PWINE_CERT_CONTEXT context, HCERTSTORE store)
+{
+ TRACE("(%p, %p)\n", ref, context);
+ memcpy(&ref->cert, context, sizeof(ref->cert));
+ ref->context = context;
+ InterlockedIncrement(&context->ref);
+ ref->cert.hCertStore = store;
+}
+
+static PWINE_CERT_CONTEXT_REF CRYPT_CreateCertRef(PWINE_CERT_CONTEXT context,
+ HCERTSTORE store)
+{
+ PWINE_CERT_CONTEXT_REF pCertRef = CryptMemAlloc(
+ sizeof(WINE_CERT_CONTEXT_REF));
+
+ if (pCertRef)
+ CRYPT_InitCertRef(pCertRef, context, store);
+ return pCertRef;
+}
+
+static BOOL WINAPI CRYPT_MemAddCert(HCERTSTORE store, PCCERT_CONTEXT pCert,
+ DWORD dwAddDisposition)
+{
+ WINE_MEMSTORE *ms = (WINE_MEMSTORE *)store;
+ BOOL add = FALSE, ret;
+
+ TRACE("(%p, %p, %ld)\n", store, pCert, dwAddDisposition);
+
+ switch (dwAddDisposition)
+ {
+ case CERT_STORE_ADD_ALWAYS:
+ add = TRUE;
+ break;
+ case CERT_STORE_ADD_NEW:
+ {
+ BYTE hashToAdd[20], hash[20];
+ DWORD size = sizeof(hashToAdd);
+
+ ret = CRYPT_GetCertificateContextProperty((PWINE_CERT_CONTEXT)pCert,
+ CERT_HASH_PROP_ID, hashToAdd, &size);
+ if (ret)
+ {
+ PWINE_CERT_LIST_ENTRY cursor;
+
+ /* Add if no cert with the same hash is found. */
+ add = TRUE;
+ EnterCriticalSection(&ms->cs);
+ LIST_FOR_EACH_ENTRY(cursor, &ms->certs, WINE_CERT_LIST_ENTRY, entry)
+ {
+ size = sizeof(hash);
+ ret = CertGetCertificateContextProperty(&cursor->cert.cert,
+ CERT_HASH_PROP_ID, hash, &size);
+ if (ret && !memcmp(hashToAdd, hash, size))
+ {
+ TRACE("found matching certificate, not adding\n");
+ SetLastError(CRYPT_E_EXISTS);
+ add = FALSE;
+ break;
+ }
+ }
+ LeaveCriticalSection(&ms->cs);
+ }
+ break;
+ }
+ case CERT_STORE_ADD_REPLACE_EXISTING:
+ {
+ BYTE hashToAdd[20], hash[20];
+ DWORD size = sizeof(hashToAdd);
+
+ add = TRUE;
+ ret = CRYPT_GetCertificateContextProperty((PWINE_CERT_CONTEXT)pCert,
+ CERT_HASH_PROP_ID, hashToAdd, &size);
+ if (ret)
+ {
+ PWINE_CERT_LIST_ENTRY cursor, next;
+
+ /* Look for existing cert to delete */
+ EnterCriticalSection(&ms->cs);
+ LIST_FOR_EACH_ENTRY_SAFE(cursor, next, &ms->certs,
+ WINE_CERT_LIST_ENTRY, entry)
+ {
+ size = sizeof(hash);
+ ret = CertGetCertificateContextProperty(&cursor->cert.cert,
+ CERT_HASH_PROP_ID, hash, &size);
+ if (ret && !memcmp(hashToAdd, hash, size))
+ {
+ TRACE("found matching certificate, replacing\n");
+ list_remove(&cursor->entry);
+ CertFreeCertificateContext((PCCERT_CONTEXT)cursor);
+ break;
+ }
+ }
+ LeaveCriticalSection(&ms->cs);
+ }
+ break;
+ }
+ default:
+ FIXME("Unimplemented add disposition %ld\n", dwAddDisposition);
+ add = FALSE;
+ }
+ if (add)
+ {
+ PWINE_CERT_LIST_ENTRY entry = CryptMemAlloc(
+ sizeof(WINE_CERT_LIST_ENTRY));
+
+ if (entry)
+ {
+ TRACE("adding %p\n", entry);
+ CRYPT_InitCertRef(&entry->cert, (PWINE_CERT_CONTEXT)pCert, store);
+ list_init(&entry->entry);
+ EnterCriticalSection(&ms->cs);
+ list_add_tail(&ms->certs, &entry->entry);
+ LeaveCriticalSection(&ms->cs);
+ ret = TRUE;
+ }
+ else
+ ret = FALSE;
+ }
+ else
+ ret = FALSE;
+ return ret;
+}
+
+static PWINE_CERT_CONTEXT_REF CRYPT_MemEnumCert(PWINECRYPT_CERTSTORE store,
+ PWINE_CERT_CONTEXT_REF pPrev)
+{
+ WINE_MEMSTORE *ms = (WINE_MEMSTORE *)store;
+ PWINE_CERT_LIST_ENTRY prevEntry = (PWINE_CERT_LIST_ENTRY)pPrev, ret;
+ struct list *listNext;
+
+ TRACE("(%p, %p)\n", store, pPrev);
+ EnterCriticalSection(&ms->cs);
+ if (prevEntry)
+ {
+ listNext = list_next(&ms->certs, &prevEntry->entry);
+ CertFreeCertificateContext((PCCERT_CONTEXT)pPrev);
+ }
+ else
+ listNext = list_next(&ms->certs, &ms->certs);
+ if (listNext)
+ {
+ ret = CryptMemAlloc(sizeof(WINE_CERT_LIST_ENTRY));
+ memcpy(ret, LIST_ENTRY(listNext, WINE_CERT_LIST_ENTRY, entry),
+ sizeof(WINE_CERT_LIST_ENTRY));
+ InterlockedIncrement(&ret->cert.context->ref);
+ }
+ else
+ {
+ SetLastError(CRYPT_E_NOT_FOUND);
+ ret = NULL;
+ }
+ LeaveCriticalSection(&ms->cs);
+
+ TRACE("returning %p\n", ret);
+ return (PWINE_CERT_CONTEXT_REF)ret;
+}
+
+static BOOL WINAPI CRYPT_MemDeleteCert(HCERTSTORE hCertStore,
+ PCCERT_CONTEXT pCertContext, DWORD dwFlags)
+{
+ WINE_MEMSTORE *store = (WINE_MEMSTORE *)hCertStore;
+ WINE_CERT_CONTEXT_REF *ref = (WINE_CERT_CONTEXT_REF *)pCertContext;
+ PWINE_CERT_LIST_ENTRY cert, next;
+ BOOL ret;
+
+ /* Find the entry associated with the passed-in context, since the
+ * passed-in context may not be a list entry itself (e.g. if it came from
+ * CertDuplicateCertificateContext.) Pointing to the same context is
+ * a sufficient test of equality.
+ */
+ EnterCriticalSection(&store->cs);
+ LIST_FOR_EACH_ENTRY_SAFE(cert, next, &store->certs, WINE_CERT_LIST_ENTRY,
+ entry)
+ {
+ if (cert->cert.context == ref->context)
+ {
+ TRACE("removing %p\n", cert);
+ /* FIXME: this isn't entirely thread-safe, the entry itself isn't
+ * protected.
+ */
+ list_remove(&cert->entry);
+ cert->entry.prev = cert->entry.next = &store->certs;
+ break;
+ }
+ }
+ ret = TRUE;
+ LeaveCriticalSection(&store->cs);
+ return ret;
+}
+
+static void WINAPI CRYPT_MemCloseStore(HCERTSTORE hCertStore, DWORD dwFlags)
+{
+ WINE_MEMSTORE *store = (WINE_MEMSTORE *)hCertStore;
+ PWINE_CERT_LIST_ENTRY cert, next;
+
+ TRACE("(%p, %08lx)\n", store, dwFlags);
+ if (dwFlags)
+ FIXME("Unimplemented flags: %08lx\n", dwFlags);
+
+ /* Note that CertFreeCertificateContext calls HeapFree on the passed-in
+ * pointer if its ref-count reaches zero. That's okay here because there
+ * aren't any allocated data outside of the WINE_CERT_CONTEXT_REF portion
+ * of the CertListEntry.
+ */
+ LIST_FOR_EACH_ENTRY_SAFE(cert, next, &store->certs, WINE_CERT_LIST_ENTRY,
+ entry)
+ {
+ TRACE("removing %p\n", cert);
+ list_remove(&cert->entry);
+ CertFreeCertificateContext((PCCERT_CONTEXT)cert);
+ }
+ DeleteCriticalSection(&store->cs);
+ CryptMemFree(store);
+}
+
+static WINECRYPT_CERTSTORE *CRYPT_MemOpenStore(HCRYPTPROV hCryptProv,
+ DWORD dwFlags, const void *pvPara)
+{
+ PWINE_MEMSTORE store;
+
+ TRACE("(%ld, %08lx, %p)\n", hCryptProv, dwFlags, pvPara);
+
+ if (dwFlags & CERT_STORE_DELETE_FLAG)
+ {
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ store = NULL;
+ }
+ else
+ {
+ store = CryptMemAlloc(sizeof(WINE_MEMSTORE));
+ if (store)
+ {
+ memset(store, 0, sizeof(WINE_MEMSTORE));
+ CRYPT_InitStore(&store->hdr, hCryptProv, dwFlags, StoreTypeMem);
+ store->hdr.closeStore = CRYPT_MemCloseStore;
+ store->hdr.addCert = CRYPT_MemAddCert;
+ store->hdr.createCertRef = CRYPT_CreateCertRef;
+ store->hdr.enumCert = CRYPT_MemEnumCert;
+ store->hdr.deleteCert = CRYPT_MemDeleteCert;
+ store->hdr.freeCert = NULL;
+ InitializeCriticalSection(&store->cs);
+ list_init(&store->certs);
+ }
+ }
+ return (PWINECRYPT_CERTSTORE)store;
+}
+
+static BOOL WINAPI CRYPT_CollectionAddCert(HCERTSTORE store,
+ PCCERT_CONTEXT pCert, DWORD dwAddDisposition)
+{
+ PWINE_COLLECTIONSTORE cs = (PWINE_COLLECTIONSTORE)store;
+ PWINE_STORE_LIST_ENTRY entry, next;
+ BOOL ret;
+
+ TRACE("(%p, %p, %ld)\n", store, pCert, dwAddDisposition);
+
+ ret = FALSE;
+ EnterCriticalSection(&cs->cs);
+ LIST_FOR_EACH_ENTRY_SAFE(entry, next, &cs->stores, WINE_STORE_LIST_ENTRY,
+ entry)
+ {
+ if (entry->dwUpdateFlags & CERT_PHYSICAL_STORE_ADD_ENABLE_FLAG)
+ {
+ ret = entry->store->addCert(entry->store, pCert, dwAddDisposition);
+ break;
+ }
+ }
+ LeaveCriticalSection(&cs->cs);
+ SetLastError(ret ? ERROR_SUCCESS : HRESULT_FROM_WIN32(ERROR_ACCESS_DENIED));
+ return ret;
+}
+
+static PWINE_CERT_CONTEXT_REF CRYPT_CollectionCreateCertRef(
+ PWINE_CERT_CONTEXT context, HCERTSTORE store)
+{
+ PWINE_COLLECTION_CERT_CONTEXT ret = CryptMemAlloc(
+ sizeof(WINE_COLLECTION_CERT_CONTEXT));
+
+ if (ret)
+ {
+ /* Initialize to empty for now, just make sure the size is right */
+ CRYPT_InitCertRef((PWINE_CERT_CONTEXT_REF)ret, context, store);
+ ret->entry = NULL;
+ ret->childContext = NULL;
+ }
+ return (PWINE_CERT_CONTEXT_REF)ret;
+}
+
+static void WINAPI CRYPT_CollectionCloseStore(HCERTSTORE store, DWORD dwFlags)
+{
+ PWINE_COLLECTIONSTORE cs = (PWINE_COLLECTIONSTORE)store;
+ PWINE_STORE_LIST_ENTRY entry, next;
+
+ TRACE("(%p, %08lx)\n", store, dwFlags);
+
+ LIST_FOR_EACH_ENTRY_SAFE(entry, next, &cs->stores, WINE_STORE_LIST_ENTRY,
+ entry)
+ {
+ TRACE("closing %p\n", entry);
+ CertCloseStore((HCERTSTORE)entry->store, dwFlags);
+ CryptMemFree(entry);
+ }
+ DeleteCriticalSection(&cs->cs);
+ CryptMemFree(cs);
+}
+
+/* Advances a collection enumeration by one cert, if possible, where advancing
+ * means:
+ * - calling the current store's enumeration function once, and returning
+ * the enumerated cert if one is returned
+ * - moving to the next store if the current store has no more items, and
+ * recursively calling itself to get the next item.
+ * Returns NULL if the collection contains no more items or on error.
+ * Assumes the collection store's lock is held.
+ */
+static PWINE_COLLECTION_CERT_CONTEXT CRYPT_CollectionAdvanceEnum(
+ PWINE_COLLECTIONSTORE store, PWINE_STORE_LIST_ENTRY storeEntry,
+ PWINE_COLLECTION_CERT_CONTEXT pPrev)
+{
+ PWINE_COLLECTION_CERT_CONTEXT ret;
+ PWINE_CERT_CONTEXT_REF child;
+
+ TRACE("(%p, %p, %p)\n", store, storeEntry, pPrev);
+
+ if (pPrev)
+ {
+ child = storeEntry->store->enumCert((HCERTSTORE)storeEntry->store,
+ pPrev->childContext);
+ if (child)
+ {
+ ret = pPrev;
+ memcpy(&ret->cert, child, sizeof(WINE_CERT_CONTEXT_REF));
+ ret->cert.cert.hCertStore = (HCERTSTORE)store;
+ InterlockedIncrement(&ret->cert.context->ref);
+ ret->childContext = child;
+ }
+ else
+ {
+ struct list *storeNext = list_next(&store->stores,
+ &storeEntry->entry);
+
+ pPrev->childContext = NULL;
+ CertFreeCertificateContext((PCCERT_CONTEXT)pPrev);
+ if (storeNext)
+ {
+ storeEntry = LIST_ENTRY(storeNext, WINE_STORE_LIST_ENTRY,
+ entry);
+ ret = CRYPT_CollectionAdvanceEnum(store, storeEntry, NULL);
+ }
+ else
+ {
+ SetLastError(CRYPT_E_NOT_FOUND);
+ ret = NULL;
+ }
+ }
+ }
+ else
+ {
+ child = storeEntry->store->enumCert((HCERTSTORE)storeEntry->store,
+ NULL);
+ if (child)
+ {
+ ret = (PWINE_COLLECTION_CERT_CONTEXT)CRYPT_CollectionCreateCertRef(
+ child->context, store);
+ if (ret)
+ {
+ ret->entry = storeEntry;
+ ret->childContext = child;
+ }
+ else
+ CertFreeCertificateContext((PCCERT_CONTEXT)child);
+ }
+ else
+ {
+ struct list *storeNext = list_next(&store->stores,
+ &storeEntry->entry);
+
+ if (storeNext)
+ {
+ storeEntry = LIST_ENTRY(storeNext, WINE_STORE_LIST_ENTRY,
+ entry);
+ ret = CRYPT_CollectionAdvanceEnum(store, storeEntry, NULL);
+ }
+ else
+ {
+ SetLastError(CRYPT_E_NOT_FOUND);
+ ret = NULL;
+ }
+ }
+ }
+ TRACE("returning %p\n", ret);
+ return ret;
+}
+
+static PWINE_CERT_CONTEXT_REF CRYPT_CollectionEnumCert(
+ PWINECRYPT_CERTSTORE store, PWINE_CERT_CONTEXT_REF pPrev)
+{
+ PWINE_COLLECTIONSTORE cs = (PWINE_COLLECTIONSTORE)store;
+ PWINE_COLLECTION_CERT_CONTEXT prevEntry =
+ (PWINE_COLLECTION_CERT_CONTEXT)pPrev, ret;
+
+ TRACE("(%p, %p)\n", store, pPrev);
+
+ if (prevEntry)
+ {
+ EnterCriticalSection(&cs->cs);
+ ret = CRYPT_CollectionAdvanceEnum(cs, prevEntry->entry, prevEntry);
+ LeaveCriticalSection(&cs->cs);
+ }
+ else
+ {
+ EnterCriticalSection(&cs->cs);
+ if (!list_empty(&cs->stores))
+ {
+ PWINE_STORE_LIST_ENTRY storeEntry;
+
+ storeEntry = LIST_ENTRY(cs->stores.next, WINE_STORE_LIST_ENTRY,
+ entry);
+ ret = CRYPT_CollectionAdvanceEnum(cs, storeEntry, prevEntry);
+ }
+ else
+ {
+ SetLastError(CRYPT_E_NOT_FOUND);
+ ret = NULL;
+ }
+ LeaveCriticalSection(&cs->cs);
+ }
+ TRACE("returning %p\n", ret);
+ return (PWINE_CERT_CONTEXT_REF)ret;
+}
+
+static BOOL WINAPI CRYPT_CollectionDeleteCert(HCERTSTORE hCertStore,
+ PCCERT_CONTEXT pCertContext, DWORD dwFlags)
+{
+ PWINE_COLLECTION_CERT_CONTEXT context =
+ (PWINE_COLLECTION_CERT_CONTEXT)pCertContext;
+ BOOL ret;
+
+ TRACE("(%p, %p, %08lx)\n", hCertStore, pCertContext, dwFlags);
+
+ ret = CertDeleteCertificateFromStore((PCCERT_CONTEXT)context->childContext);
+ if (ret)
+ context->childContext = NULL;
+ return ret;
+}
+
+static void CRYPT_CollectionFreeCert(PWINE_CERT_CONTEXT_REF ref)
+{
+ PWINE_COLLECTION_CERT_CONTEXT context = (PWINE_COLLECTION_CERT_CONTEXT)ref;
+
+ TRACE("(%p)\n", ref);
+
+ if (context->childContext)
+ CertFreeCertificateContext((PCCERT_CONTEXT)context->childContext);
+}
+
+static WINECRYPT_CERTSTORE *CRYPT_CollectionOpenStore(HCRYPTPROV hCryptProv,
+ DWORD dwFlags, const void *pvPara)
+{
+ PWINE_COLLECTIONSTORE store;
+
+ if (dwFlags & CERT_STORE_DELETE_FLAG)
+ {
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ store = NULL;
+ }
+ else
+ {
+ store = CryptMemAlloc(sizeof(WINE_COLLECTIONSTORE));
+ if (store)
+ {
+ memset(store, 0, sizeof(WINE_COLLECTIONSTORE));
+ CRYPT_InitStore(&store->hdr, hCryptProv, dwFlags,
+ StoreTypeCollection);
+ store->hdr.closeStore = CRYPT_CollectionCloseStore;
+ store->hdr.addCert = CRYPT_CollectionAddCert;
+ store->hdr.createCertRef = CRYPT_CollectionCreateCertRef;
+ store->hdr.enumCert = CRYPT_CollectionEnumCert;
+ store->hdr.deleteCert = CRYPT_CollectionDeleteCert;
+ store->hdr.freeCert = CRYPT_CollectionFreeCert;
+ InitializeCriticalSection(&store->cs);
+ list_init(&store->stores);
+ }
+ }
+ return (PWINECRYPT_CERTSTORE)store;
+}
+
+static void CRYPT_HashToStr(LPBYTE hash, LPWSTR asciiHash)
+{
+ static const WCHAR fmt[] = { '%','0','2','X',0 };
+ DWORD i;
+
+ assert(hash);
+ assert(asciiHash);
+
+ for (i = 0; i < 20; i++)
+ wsprintfW(asciiHash + i * 2, fmt, hash[i]);
+}
+
+static const WCHAR CertsW[] = { 'C','e','r','t','i','f','i','c','a','t','e','s',
+ 0 };
+static const WCHAR CRLsW[] = { 'C','R','L','s',0 };
+static const WCHAR CTLsW[] = { 'C','T','L','s',0 };
+static const WCHAR BlobW[] = { 'B','l','o','b',0 };
+
+static void CRYPT_RegReadSerializedFromReg(PWINE_REGSTORE store, HKEY key,
+ DWORD contextType)
+{
+ LONG rc;
+ DWORD index = 0;
+ WCHAR subKeyName[MAX_PATH];
+
+ do {
+ DWORD size = sizeof(subKeyName) / sizeof(WCHAR);
+
+ rc = RegEnumKeyExW(key, index++, subKeyName, &size, NULL, NULL, NULL,
+ NULL);
+ if (!rc)
+ {
+ HKEY subKey;
+
+ rc = RegOpenKeyExW(key, subKeyName, 0, KEY_READ, &subKey);
+ if (!rc)
+ {
+ LPBYTE buf = NULL;
+
+ size = 0;
+ rc = RegQueryValueExW(subKey, BlobW, NULL, NULL, NULL, &size);
+ if (!rc)
+ buf = CryptMemAlloc(size);
+ if (buf)
+ {
+ rc = RegQueryValueExW(subKey, BlobW, NULL, NULL, buf,
+ &size);
+ if (!rc)
+ {
+ const void *context;
+ DWORD addedType;
+
+ TRACE("Adding cert with hash %s\n",
+ debugstr_w(subKeyName));
+ context = CRYPT_ReadSerializedElement(buf, size,
+ contextType, &addedType);
+ if (context)
+ {
+ const WINE_CONTEXT_INTERFACE *contextInterface;
+ BYTE hash[20];
+
+ switch (addedType)
+ {
+ case CERT_STORE_CERTIFICATE_CONTEXT:
+ contextInterface = &gCertInterface;
+ break;
+ case CERT_STORE_CRL_CONTEXT:
+ contextInterface = &gCRLInterface;
+ break;
+ case CERT_STORE_CTL_CONTEXT:
+ contextInterface = &gCTLInterface;
+ break;
+ default:
+ contextInterface = NULL;
+ }
+ if (contextInterface)
+ {
+ size = sizeof(hash);
+ if (contextInterface->getProp(context,
+ CERT_HASH_PROP_ID, hash, &size))
+ {
+ WCHAR asciiHash[20 * 2 + 1];
+
+ CRYPT_HashToStr(hash, asciiHash);
+ TRACE("comparing %s\n",
+ debugstr_w(asciiHash));
+ TRACE("with %s\n", debugstr_w(subKeyName));
+ if (!lstrcmpW(asciiHash, subKeyName))
+ {
+ TRACE("hash matches, adding\n");
+ contextInterface->addContextToStore(
+ store, context,
+ CERT_STORE_ADD_REPLACE_EXISTING, NULL);
+ }
+ else
+ {
+ TRACE("hash doesn't match, ignoring\n");
+ contextInterface->free(context);
+ }
+ }
+ }
+ }
+ }
+ CryptMemFree(buf);
+ }
+ RegCloseKey(subKey);
+ }
+ /* Ignore intermediate errors, continue enumerating */
+ rc = ERROR_SUCCESS;
+ }
+ } while (!rc);
+}
+
+static void CRYPT_RegReadFromReg(PWINE_REGSTORE store)
+{
+ static const WCHAR *subKeys[] = { CertsW, CRLsW, CTLsW };
+ static const DWORD contextFlags[] = { CERT_STORE_CERTIFICATE_CONTEXT_FLAG,
+ CERT_STORE_CRL_CONTEXT_FLAG, CERT_STORE_CTL_CONTEXT_FLAG };
+ DWORD i;
+
+ for (i = 0; i < sizeof(subKeys) / sizeof(subKeys[0]); i++)
+ {
+ HKEY key;
+ LONG rc;
+
+ rc = RegCreateKeyExW(store->key, subKeys[i], 0, NULL, 0, KEY_READ, NULL,
+ &key, NULL);
+ if (!rc)
+ {
+ CRYPT_RegReadSerializedFromReg(store, key, contextFlags[i]);
+ RegCloseKey(key);
+ }
+ }
+}
+
+/* Hash is assumed to be 20 bytes in length (a SHA-1 hash) */
+static BOOL CRYPT_WriteSerializedToReg(HKEY key, LPBYTE hash, LPBYTE buf,
+ DWORD len)
+{
+ WCHAR asciiHash[20 * 2 + 1];
+ LONG rc;
+ HKEY subKey;
+ BOOL ret;
+
+ CRYPT_HashToStr(hash, asciiHash);
+ rc = RegCreateKeyExW(key, asciiHash, 0, NULL, 0, KEY_ALL_ACCESS, NULL,
+ &subKey, NULL);
+ if (!rc)
+ {
+ rc = RegSetValueExW(subKey, BlobW, 0, REG_BINARY, buf, len);
+ RegCloseKey(subKey);
+ }
+ if (!rc)
+ ret = TRUE;
+ else
+ {
+ SetLastError(rc);
+ ret = FALSE;
+ }
+ return ret;
+}
+
+static BOOL CRYPT_SerializeContextsToReg(HKEY key,
+ const WINE_CONTEXT_INTERFACE *contextInterface, HCERTSTORE memStore)
+{
+ const void *context = NULL;
+ BOOL ret;
+
+ do {
+ context = contextInterface->enumContextsInStore(memStore, context);
+ if (context)
+ {
+ BYTE hash[20];
+ DWORD hashSize = sizeof(hash);
+
+ ret = contextInterface->getProp(context, CERT_HASH_PROP_ID, hash,
+ &hashSize);
+ if (ret)
+ {
+ DWORD size = 0;
+ LPBYTE buf = NULL;
+
+ ret = contextInterface->serialize(context, 0, NULL, &size);
+ if (size)
+ buf = CryptMemAlloc(size);
+ if (buf)
+ {
+ ret = contextInterface->serialize(context, 0, buf, &size);
+ if (ret)
+ ret = CRYPT_WriteSerializedToReg(key, hash, buf, size);
+ }
+ CryptMemFree(buf);
+ }
+ }
+ else
+ ret = TRUE;
+ } while (ret && context != NULL);
+ if (context)
+ contextInterface->free(context);
+ return ret;
+}
+
+static BOOL CRYPT_RegWriteToReg(PWINE_REGSTORE store)
+{
+ static const WCHAR *subKeys[] = { CertsW, CRLsW, CTLsW };
+ static const WINE_CONTEXT_INTERFACE *interfaces[] = { &gCertInterface,
+ &gCRLInterface, &gCTLInterface };
+ struct list *listToDelete[] = { &store->certsToDelete, NULL, NULL };
+ BOOL ret = TRUE;
+ DWORD i;
+
+ for (i = 0; ret && i < sizeof(subKeys) / sizeof(subKeys[0]); i++)
+ {
+ HKEY key;
+ LONG rc = RegCreateKeyExW(store->key, subKeys[i], 0, NULL, 0,
+ KEY_ALL_ACCESS, NULL, &key, NULL);
+
+ if (!rc)
+ {
+ if (listToDelete[i])
+ {
+ PWINE_HASH_TO_DELETE toDelete, next;
+ WCHAR asciiHash[20 * 2 + 1];
+
+ EnterCriticalSection(&store->cs);
+ LIST_FOR_EACH_ENTRY_SAFE(toDelete, next, listToDelete[i],
+ WINE_HASH_TO_DELETE, entry)
+ {
+ LONG rc;
+
+ CRYPT_HashToStr(toDelete->hash, asciiHash);
+ TRACE("Removing %s\n", debugstr_w(asciiHash));
+ rc = RegDeleteKeyW(key, asciiHash);
+ if (rc != ERROR_SUCCESS && rc != ERROR_FILE_NOT_FOUND)
+ {
+ SetLastError(rc);
+ ret = FALSE;
+ }
+ list_remove(&toDelete->entry);
+ CryptMemFree(toDelete);
+ }
+ LeaveCriticalSection(&store->cs);
+ }
+ ret = CRYPT_SerializeContextsToReg(key, interfaces[i],
+ store->memStore);
+ RegCloseKey(key);
+ }
+ else
+ {
+ SetLastError(rc);
+ ret = FALSE;
+ }
+ }
+ return ret;
+}
+
+/* If force is true or the registry store is dirty, writes the contents of the
+ * store to the registry.
+ */
+static BOOL CRYPT_RegFlushStore(PWINE_REGSTORE store, BOOL force)
+{
+ BOOL ret;
+
+ if (store->dirty || force)
+ ret = CRYPT_RegWriteToReg(store);
+ else
+ ret = TRUE;
+ return ret;
+}
+
+static void WINAPI CRYPT_RegCloseStore(HCERTSTORE hCertStore, DWORD dwFlags)
+{
+ PWINE_REGSTORE store = (PWINE_REGSTORE)hCertStore;
+
+ TRACE("(%p, %08lx)\n", store, dwFlags);
+ if (dwFlags)
+ FIXME("Unimplemented flags: %08lx\n", dwFlags);
+
+ CRYPT_RegFlushStore(store, FALSE);
+ /* certsToDelete should already be cleared by this point */
+ store->memStore->closeStore(store->memStore, 0);
+ RegCloseKey(store->key);
+ DeleteCriticalSection(&store->cs);
+ CryptMemFree(store);
+}
+
+static BOOL WINAPI CRYPT_RegAddCert(HCERTSTORE hCertStore, PCCERT_CONTEXT cert,
+ DWORD dwAddDisposition)
+{
+ PWINE_REGSTORE store = (PWINE_REGSTORE)hCertStore;
+ BOOL ret;
+
+ TRACE("(%p, %p, %ld)\n", hCertStore, cert, dwAddDisposition);
+
+ if (store->hdr.dwOpenFlags & CERT_STORE_READONLY_FLAG)
+ {
+ SetLastError(ERROR_ACCESS_DENIED);
+ ret = FALSE;
+ }
+ else
+ {
+ ret = store->memStore->addCert(store->memStore, cert, dwAddDisposition);
+ if (ret)
+ store->dirty = TRUE;
+ }
+ return ret;
+}
+
+static PWINE_CERT_CONTEXT_REF CRYPT_RegCreateCertRef(
+ PWINE_CERT_CONTEXT context, HCERTSTORE store)
+{
+ PWINE_REG_CERT_CONTEXT ret = CryptMemAlloc(
+ sizeof(WINE_REG_CERT_CONTEXT));
+
+ if (ret)
+ {
+ CRYPT_InitCertRef((PWINE_CERT_CONTEXT_REF)ret, context, store);
+ ret->childContext = NULL;
+ }
+ return (PWINE_CERT_CONTEXT_REF)ret;
+}
+
+static PWINE_CERT_CONTEXT_REF CRYPT_RegEnumCert(PWINECRYPT_CERTSTORE store,
+ PWINE_CERT_CONTEXT_REF pPrev)
+{
+ PWINE_REGSTORE rs = (PWINE_REGSTORE)store;
+ PWINE_CERT_CONTEXT_REF child;
+ PWINE_REG_CERT_CONTEXT prev = (PWINE_REG_CERT_CONTEXT)pPrev, ret = NULL;
+
+ TRACE("(%p, %p)\n", store, pPrev);
+
+ if (pPrev)
+ {
+ child = rs->memStore->enumCert(rs->memStore, prev->childContext);
+ if (child)
+ {
+ ret = (PWINE_REG_CERT_CONTEXT)pPrev;
+ memcpy(&ret->cert, child, sizeof(WINE_CERT_CONTEXT_REF));
+ ret->cert.cert.hCertStore = (HCERTSTORE)store;
+ ret->childContext = child;
+ }
+ }
+ else
+ {
+ child = rs->memStore->enumCert(rs->memStore, NULL);
+ if (child)
+ {
+ ret = CryptMemAlloc(sizeof(WINE_REG_CERT_CONTEXT));
+
+ if (ret)
+ {
+ memcpy(&ret->cert, child, sizeof(WINE_CERT_CONTEXT_REF));
+ ret->cert.cert.hCertStore = (HCERTSTORE)store;
+ ret->childContext = child;
+ }
+ else
+ CertFreeCertificateContext((PCCERT_CONTEXT)child);
+ }
+ }
+ return (PWINE_CERT_CONTEXT_REF)ret;
+}
+
+static BOOL WINAPI CRYPT_RegDeleteCert(HCERTSTORE hCertStore,
+ PCCERT_CONTEXT pCertContext, DWORD dwFlags)
+{
+ PWINE_REGSTORE store = (PWINE_REGSTORE)hCertStore;
+ BOOL ret;
+
+ TRACE("(%p, %p, %08lx)\n", store, pCertContext, dwFlags);
+
+ if (store->hdr.dwOpenFlags & CERT_STORE_READONLY_FLAG)
+ {
+ SetLastError(ERROR_ACCESS_DENIED);
+ ret = FALSE;
+ }
+ else
+ {
+ PWINE_HASH_TO_DELETE toDelete =
+ CryptMemAlloc(sizeof(WINE_HASH_TO_DELETE));
+
+ if (toDelete)
+ {
+ DWORD size = sizeof(toDelete->hash);
+
+ ret = CertGetCertificateContextProperty(pCertContext,
+ CERT_HASH_PROP_ID, toDelete->hash, &size);
+ if (ret)
+ {
+ list_init(&toDelete->entry);
+ EnterCriticalSection(&store->cs);
+ list_add_tail(&store->certsToDelete, &toDelete->entry);
+ LeaveCriticalSection(&store->cs);
+ ret = store->memStore->deleteCert(store->memStore, pCertContext,
+ dwFlags);
+ }
+ else
+ CryptMemFree(toDelete);
+ }
+ else
+ ret = FALSE;
+ if (ret)
+ store->dirty = TRUE;
+ }
+ return ret;
+}
+
+static void CRYPT_RegFreeCert(PWINE_CERT_CONTEXT_REF ref)
+{
+ PWINE_REG_CERT_CONTEXT context = (PWINE_REG_CERT_CONTEXT)ref;
+
+ TRACE("(%p)\n", ref);
+
+ if (context->childContext)
+ CertFreeCertificateContext((PCCERT_CONTEXT)context->childContext);
+}
+
+static BOOL WINAPI CRYPT_RegControl(HCERTSTORE hCertStore, DWORD dwFlags,
+ DWORD dwCtrlType, void const *pvCtrlPara)
+{
+ PWINE_REGSTORE store = (PWINE_REGSTORE)hCertStore;
+ BOOL ret;
+
+ switch (dwCtrlType)
+ {
+ case CERT_STORE_CTRL_RESYNC:
+ CRYPT_RegFlushStore(store, FALSE);
+ store->memStore->closeStore(store->memStore, 0);
+ store->memStore = CRYPT_MemOpenStore(store->hdr.cryptProv,
+ store->hdr.dwOpenFlags, NULL);
+ if (store->memStore)
+ {
+ CRYPT_RegReadFromReg(store);
+ ret = TRUE;
+ }
+ else
+ ret = FALSE;
+ break;
+ case CERT_STORE_CTRL_COMMIT:
+ ret = CRYPT_RegFlushStore(store,
+ dwFlags & CERT_STORE_CTRL_COMMIT_FORCE_FLAG);
+ break;
+ default:
+ FIXME("%ld: stub\n", dwCtrlType);
+ ret = FALSE;
+ }
+ return ret;
+}
+
+/* Copied from shlwapi's SHDeleteKeyW, and reformatted to match this file. */
+static DWORD CRYPT_RecurseDeleteKey(HKEY hKey, LPCWSTR lpszSubKey)
+{
+ DWORD dwRet, dwKeyCount = 0, dwMaxSubkeyLen = 0, dwSize, i;
+ WCHAR szNameBuf[MAX_PATH], *lpszName = szNameBuf;
+ HKEY hSubKey = 0;
+
+ TRACE("(hkey=%p,%s)\n", hKey, debugstr_w(lpszSubKey));
+
+ dwRet = RegOpenKeyExW(hKey, lpszSubKey, 0, KEY_READ, &hSubKey);
+ if (!dwRet)
+ {
+ /* Find how many subkeys there are */
+ dwRet = RegQueryInfoKeyW(hSubKey, NULL, NULL, NULL, &dwKeyCount,
+ &dwMaxSubkeyLen, NULL, NULL, NULL, NULL, NULL, NULL);
+ if (!dwRet)
+ {
+ dwMaxSubkeyLen++;
+ if (dwMaxSubkeyLen > sizeof(szNameBuf)/sizeof(WCHAR))
+ {
+ /* Name too big: alloc a buffer for it */
+ lpszName = CryptMemAlloc(dwMaxSubkeyLen*sizeof(WCHAR));
+ }
+
+ if (!lpszName)
+ dwRet = ERROR_NOT_ENOUGH_MEMORY;
+ else
+ {
+ /* Recursively delete all the subkeys */
+ for (i = 0; i < dwKeyCount && !dwRet; i++)
+ {
+ dwSize = dwMaxSubkeyLen;
+ dwRet = RegEnumKeyExW(hSubKey, i, lpszName, &dwSize, NULL,
+ NULL, NULL, NULL);
+ if (!dwRet)
+ dwRet = CRYPT_RecurseDeleteKey(hSubKey, lpszName);
+ }
+
+ if (lpszName != szNameBuf)
+ {
+ /* Free buffer if allocated */
+ CryptMemFree(lpszName);
+ }
+ }
+ }
+
+ RegCloseKey(hSubKey);
+ if (!dwRet)
+ dwRet = RegDeleteKeyW(hKey, lpszSubKey);
+ }
+ return dwRet;
+}
+
+static WINECRYPT_CERTSTORE *CRYPT_RegOpenStore(HCRYPTPROV hCryptProv,
+ DWORD dwFlags, const void *pvPara)
+{
+ PWINE_REGSTORE store = NULL;
+
+ TRACE("(%ld, %08lx, %p)\n", hCryptProv, dwFlags, pvPara);
+
+ if (dwFlags & CERT_STORE_DELETE_FLAG)
+ {
+ DWORD rc = CRYPT_RecurseDeleteKey((HKEY)pvPara, CertsW);
+
+ if (rc == ERROR_SUCCESS || rc == ERROR_NO_MORE_ITEMS)
+ rc = CRYPT_RecurseDeleteKey((HKEY)pvPara, CRLsW);
+ if (rc == ERROR_SUCCESS || rc == ERROR_NO_MORE_ITEMS)
+ rc = CRYPT_RecurseDeleteKey((HKEY)pvPara, CTLsW);
+ if (rc == ERROR_NO_MORE_ITEMS)
+ rc = ERROR_SUCCESS;
+ SetLastError(rc);
+ }
+ else
+ {
+ HKEY key;
+
+ if (DuplicateHandle(GetCurrentProcess(), (HANDLE)pvPara,
+ GetCurrentProcess(), (LPHANDLE)&key,
+ dwFlags & CERT_STORE_READONLY_FLAG ? KEY_READ : KEY_ALL_ACCESS,
+ TRUE, 0))
+ {
+ PWINECRYPT_CERTSTORE memStore;
+
+ memStore = CRYPT_MemOpenStore(hCryptProv, dwFlags, NULL);
+ if (memStore)
+ {
+ store = CryptMemAlloc(sizeof(WINE_REGSTORE));
+ if (store)
+ {
+ memset(store, 0, sizeof(WINE_REGSTORE));
+ CRYPT_InitStore(&store->hdr, hCryptProv, dwFlags,
+ StoreTypeReg);
+ store->hdr.closeStore = CRYPT_RegCloseStore;
+ store->hdr.addCert = CRYPT_RegAddCert;
+ store->hdr.createCertRef = CRYPT_RegCreateCertRef;
+ store->hdr.enumCert = CRYPT_RegEnumCert;
+ store->hdr.deleteCert = CRYPT_RegDeleteCert;
+ store->hdr.freeCert = CRYPT_RegFreeCert;
+ store->hdr.control = CRYPT_RegControl;
+ store->memStore = memStore;
+ store->key = key;
+ InitializeCriticalSection(&store->cs);
+ list_init(&store->certsToDelete);
+ CRYPT_RegReadFromReg(store);
+ store->dirty = FALSE;
+ }
+ }
+ }
+ }
+ TRACE("returning %p\n", store);
+ return (WINECRYPT_CERTSTORE *)store;
+}
+
+/* FIXME: this isn't complete for the Root store, in which the top-level
+ * self-signed CA certs reside. Adding a cert to the Root store should present
+ * the user with a dialog indicating the consequences of doing so, and asking
+ * the user to confirm whether the cert should be added.
+ */
+static PWINECRYPT_CERTSTORE CRYPT_SysRegOpenStoreW(HCRYPTPROV hCryptProv,
+ DWORD dwFlags, const void *pvPara)
+{
+ static const WCHAR fmt[] = { '%','s','\\','%','s',0 };
+ LPCWSTR storeName = (LPCWSTR)pvPara;
+ LPWSTR storePath;
+ PWINECRYPT_CERTSTORE store = NULL;
+ HKEY root;
+ LPCWSTR base;
+ BOOL ret;
+
+ TRACE("(%ld, %08lx, %s)\n", hCryptProv, dwFlags,
+ debugstr_w((LPCWSTR)pvPara));
+
+ if (!pvPara)
+ {
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ return NULL;
+ }
+
+ ret = TRUE;
+ switch (dwFlags & CERT_SYSTEM_STORE_LOCATION_MASK)
+ {
+ case CERT_SYSTEM_STORE_LOCAL_MACHINE:
+ root = HKEY_LOCAL_MACHINE;
+ base = CERT_LOCAL_MACHINE_SYSTEM_STORE_REGPATH;
+ break;
+ case CERT_SYSTEM_STORE_CURRENT_USER:
+ root = HKEY_CURRENT_USER;
+ base = CERT_LOCAL_MACHINE_SYSTEM_STORE_REGPATH;
+ break;
+ case CERT_SYSTEM_STORE_CURRENT_SERVICE:
+ /* hklm\Software\Microsoft\Cryptography\Services\servicename\
+ * SystemCertificates
+ */
+ FIXME("CERT_SYSTEM_STORE_CURRENT_SERVICE, %s: stub\n",
+ debugstr_w(storeName));
+ return NULL;
+ case CERT_SYSTEM_STORE_SERVICES:
+ /* hklm\Software\Microsoft\Cryptography\Services\servicename\
+ * SystemCertificates
+ */
+ FIXME("CERT_SYSTEM_STORE_SERVICES, %s: stub\n",
+ debugstr_w(storeName));
+ return NULL;
+ case CERT_SYSTEM_STORE_USERS:
+ /* hku\user sid\Software\Microsoft\SystemCertificates */
+ FIXME("CERT_SYSTEM_STORE_USERS, %s: stub\n",
+ debugstr_w(storeName));
+ return NULL;
+ case CERT_SYSTEM_STORE_CURRENT_USER_GROUP_POLICY:
+ root = HKEY_CURRENT_USER;
+ base = CERT_GROUP_POLICY_SYSTEM_STORE_REGPATH;
+ break;
+ case CERT_SYSTEM_STORE_LOCAL_MACHINE_GROUP_POLICY:
+ root = HKEY_LOCAL_MACHINE;
+ base = CERT_GROUP_POLICY_SYSTEM_STORE_REGPATH;
+ break;
+ case CERT_SYSTEM_STORE_LOCAL_MACHINE_ENTERPRISE:
+ /* hklm\Software\Microsoft\EnterpriseCertificates */
+ FIXME("CERT_SYSTEM_STORE_LOCAL_MACHINE_ENTERPRISE, %s: stub\n",
+ debugstr_w(storeName));
+ return NULL;
+ default:
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ return NULL;
+ }
+
+ storePath = CryptMemAlloc((lstrlenW(base) + lstrlenW(storeName) + 2) *
+ sizeof(WCHAR));
+ if (storePath)
+ {
+ LONG rc;
+ HKEY key;
+ REGSAM sam = dwFlags & CERT_STORE_READONLY_FLAG ? KEY_READ :
+ KEY_ALL_ACCESS;
+
+ wsprintfW(storePath, fmt, base, storeName);
+ if (dwFlags & CERT_STORE_OPEN_EXISTING_FLAG)
+ rc = RegOpenKeyExW(root, storePath, 0, sam, &key);
+ else
+ {
+ DWORD disp;
+
+ rc = RegCreateKeyExW(root, storePath, 0, NULL, 0, sam, NULL,
+ &key, &disp);
+ if (!rc && dwFlags & CERT_STORE_CREATE_NEW_FLAG &&
+ disp == REG_OPENED_EXISTING_KEY)
+ {
+ RegCloseKey(key);
+ rc = ERROR_FILE_EXISTS;
+ }
+ }
+ if (!rc)
+ {
+ store = CRYPT_RegOpenStore(hCryptProv, dwFlags, key);
+ RegCloseKey(key);
+ }
+ else
+ SetLastError(rc);
+ CryptMemFree(storePath);
+ }
+ return store;
+}
+
+static PWINECRYPT_CERTSTORE CRYPT_SysRegOpenStoreA(HCRYPTPROV hCryptProv,
+ DWORD dwFlags, const void *pvPara)
+{
+ int len;
+ PWINECRYPT_CERTSTORE ret = NULL;
+
+ TRACE("(%ld, %08lx, %s)\n", hCryptProv, dwFlags,
+ debugstr_a((LPCSTR)pvPara));
+
+ if (!pvPara)
+ {
+ SetLastError(ERROR_FILE_NOT_FOUND);
+ return NULL;
+ }
+ len = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pvPara, -1, NULL, 0);
+ if (len)
+ {
+ LPWSTR storeName = CryptMemAlloc(len * sizeof(WCHAR));
+
+ if (storeName)
+ {
+ MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pvPara, -1, storeName, len);
+ ret = CRYPT_SysRegOpenStoreW(hCryptProv, dwFlags, storeName);
+ CryptMemFree(storeName);
+ }
+ }
+ return ret;
+}
+
+static PWINECRYPT_CERTSTORE CRYPT_SysOpenStoreW(HCRYPTPROV hCryptProv,
+ DWORD dwFlags, const void *pvPara)
+{
+ HCERTSTORE store = 0;
+ BOOL ret;
+
+ TRACE("(%ld, %08lx, %s)\n", hCryptProv, dwFlags,
+ debugstr_w((LPCWSTR)pvPara));
+
+ if (!pvPara)
+ {
+ SetLastError(ERROR_FILE_NOT_FOUND);
+ return NULL;
+ }
+ /* This returns a different error than system registry stores if the
+ * location is invalid.
+ */
+ switch (dwFlags & CERT_SYSTEM_STORE_LOCATION_MASK)
+ {
+ case CERT_SYSTEM_STORE_LOCAL_MACHINE:
+ case CERT_SYSTEM_STORE_CURRENT_USER:
+ case CERT_SYSTEM_STORE_CURRENT_SERVICE:
+ case CERT_SYSTEM_STORE_SERVICES:
+ case CERT_SYSTEM_STORE_USERS:
+ case CERT_SYSTEM_STORE_CURRENT_USER_GROUP_POLICY:
+ case CERT_SYSTEM_STORE_LOCAL_MACHINE_GROUP_POLICY:
+ case CERT_SYSTEM_STORE_LOCAL_MACHINE_ENTERPRISE:
+ ret = TRUE;
+ break;
+ default:
+ SetLastError(ERROR_FILE_NOT_FOUND);
+ ret = FALSE;
+ }
+ if (ret)
+ {
+ HCERTSTORE regStore = CertOpenStore(CERT_STORE_PROV_SYSTEM_REGISTRY_W,
+ 0, hCryptProv, dwFlags, pvPara);
+
+ if (regStore)
+ {
+ store = CertOpenStore(CERT_STORE_PROV_COLLECTION, 0, 0,
+ CERT_STORE_CREATE_NEW_FLAG, NULL);
+ if (store)
+ {
+ CertAddStoreToCollection(store, regStore,
+ dwFlags & CERT_STORE_READONLY_FLAG ? 0 :
+ CERT_PHYSICAL_STORE_ADD_ENABLE_FLAG, 0);
+ CertCloseStore(regStore, 0);
+ }
+ }
+ }
+ return (PWINECRYPT_CERTSTORE)store;
+}
+
+static PWINECRYPT_CERTSTORE CRYPT_SysOpenStoreA(HCRYPTPROV hCryptProv,
+ DWORD dwFlags, const void *pvPara)
+{
+ int len;
+ PWINECRYPT_CERTSTORE ret = NULL;
+
+ TRACE("(%ld, %08lx, %s)\n", hCryptProv, dwFlags,
+ debugstr_a((LPCSTR)pvPara));
+
+ if (!pvPara)
+ {
+ SetLastError(ERROR_FILE_NOT_FOUND);
+ return NULL;
+ }
+ len = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pvPara, -1, NULL, 0);
+ if (len)
+ {
+ LPWSTR storeName = CryptMemAlloc(len * sizeof(WCHAR));
+
+ if (storeName)
+ {
+ MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pvPara, -1, storeName, len);
+ ret = CRYPT_SysOpenStoreW(hCryptProv, dwFlags, storeName);
+ CryptMemFree(storeName);
+ }
+ }
+ return ret;
+}
+
+HCERTSTORE WINAPI CertOpenStore(LPCSTR lpszStoreProvider,
+ DWORD dwMsgAndCertEncodingType, HCRYPTPROV hCryptProv, DWORD dwFlags,
+ const void* pvPara)
+{
+ WINECRYPT_CERTSTORE *hcs;
+ StoreOpenFunc openFunc = NULL;
+
+ TRACE("(%s, %08lx, %08lx, %08lx, %p)\n", debugstr_a(lpszStoreProvider),
+ dwMsgAndCertEncodingType, hCryptProv, dwFlags, pvPara);
+
+ if (!HIWORD(lpszStoreProvider))
+ {
+ switch (LOWORD(lpszStoreProvider))
+ {
+ case (int)CERT_STORE_PROV_MEMORY:
+ openFunc = CRYPT_MemOpenStore;
+ break;
+ case (int)CERT_STORE_PROV_REG:
+ openFunc = CRYPT_RegOpenStore;
+ break;
+ case (int)CERT_STORE_PROV_COLLECTION:
+ openFunc = CRYPT_CollectionOpenStore;
+ break;
+ case (int)CERT_STORE_PROV_SYSTEM_A:
+ openFunc = CRYPT_SysOpenStoreA;
+ break;
+ case (int)CERT_STORE_PROV_SYSTEM_W:
+ openFunc = CRYPT_SysOpenStoreW;
+ break;
+ case (int)CERT_STORE_PROV_SYSTEM_REGISTRY_A:
+ openFunc = CRYPT_SysRegOpenStoreA;
+ break;
+ case (int)CERT_STORE_PROV_SYSTEM_REGISTRY_W:
+ openFunc = CRYPT_SysRegOpenStoreW;
+ break;
+ default:
+ if (LOWORD(lpszStoreProvider))
+ FIXME("unimplemented type %d\n", LOWORD(lpszStoreProvider));
+ }
+ }
+ else if (!strcasecmp(lpszStoreProvider, sz_CERT_STORE_PROV_MEMORY))
+ openFunc = CRYPT_MemOpenStore;
+ else if (!strcasecmp(lpszStoreProvider, sz_CERT_STORE_PROV_SYSTEM))
+ openFunc = CRYPT_SysOpenStoreW;
+ else if (!strcasecmp(lpszStoreProvider, sz_CERT_STORE_PROV_COLLECTION))
+ openFunc = CRYPT_CollectionOpenStore;
+ else if (!strcasecmp(lpszStoreProvider, sz_CERT_STORE_PROV_SYSTEM_REGISTRY))
+ openFunc = CRYPT_SysRegOpenStoreW;
+ else
+ {
+ FIXME("unimplemented type %s\n", lpszStoreProvider);
+ openFunc = NULL;
+ }
+
+ if (!openFunc)
+ {
+ /* FIXME: need to look for an installed provider for this type */
+ SetLastError(ERROR_FILE_NOT_FOUND);
+ hcs = NULL;
+ }
+ else
+ hcs = openFunc(hCryptProv, dwFlags, pvPara);
+ return (HCERTSTORE)hcs;
+}
+
+HCERTSTORE WINAPI CertOpenSystemStoreA(HCRYPTPROV hProv,
+ LPCSTR szSubSystemProtocol)
+{
+ HCERTSTORE ret = 0;
+
+ if (szSubSystemProtocol)
+ {
+ int len = MultiByteToWideChar(CP_ACP, 0, szSubSystemProtocol, -1, NULL,
+ 0);
+ LPWSTR param = CryptMemAlloc(len * sizeof(WCHAR));
+
+ if (param)
+ {
+ MultiByteToWideChar(CP_ACP, 0, szSubSystemProtocol, -1, param, len);
+ ret = CertOpenSystemStoreW(hProv, param);
+ CryptMemFree(param);
+ }
+ }
+ else
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ return ret;
+}
+
+HCERTSTORE WINAPI CertOpenSystemStoreW(HCRYPTPROV hProv,
+ LPCWSTR szSubSystemProtocol)
+{
+ HCERTSTORE ret;
+
+ if (!szSubSystemProtocol)
+ {
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ return 0;
+ }
+
+ /* FIXME: needs some tests. It seems to open both HKEY_LOCAL_MACHINE and
+ * HKEY_CURRENT_USER stores, but I'm not sure under what conditions, if any,
+ * it fails.
+ */
+ ret = CertOpenStore(CERT_STORE_PROV_COLLECTION, 0, hProv,
+ CERT_STORE_CREATE_NEW_FLAG, NULL);
+ if (ret)
+ {
+ HCERTSTORE store = CertOpenStore(CERT_STORE_PROV_SYSTEM_REGISTRY_W,
+ 0, hProv, CERT_SYSTEM_STORE_LOCAL_MACHINE, szSubSystemProtocol);
+
+ if (store)
+ {
+ CertAddStoreToCollection(ret, store,
+ CERT_PHYSICAL_STORE_ADD_ENABLE_FLAG, 0);
+ CertCloseStore(store, 0);
+ }
+ store = CertOpenStore(CERT_STORE_PROV_SYSTEM_REGISTRY_W,
+ 0, hProv, CERT_SYSTEM_STORE_CURRENT_USER, szSubSystemProtocol);
+ if (store)
+ {
+ CertAddStoreToCollection(ret, store,
+ CERT_PHYSICAL_STORE_ADD_ENABLE_FLAG, 0);
+ CertCloseStore(store, 0);
+ }
+ }
+ return ret;
+}
+
+BOOL WINAPI CertSaveStore(HCERTSTORE hCertStore, DWORD dwMsgAndCertEncodingType,
+ DWORD dwSaveAs, DWORD dwSaveTo, void* pvSaveToPara, DWORD dwFlags)
+{
+ FIXME("(%p,%ld,%ld,%ld,%p,%08lx) stub!\n", hCertStore,
+ dwMsgAndCertEncodingType, dwSaveAs, dwSaveTo, pvSaveToPara, dwFlags);
+ return TRUE;
+}
+
+PCCRL_CONTEXT WINAPI CertCreateCRLContext( DWORD dwCertEncodingType,
+ const BYTE* pbCrlEncoded, DWORD cbCrlEncoded)
+{
+ PCRL_CONTEXT pcrl;
+ BYTE* data;
+
+ TRACE("%08lx %p %08lx\n", dwCertEncodingType, pbCrlEncoded, cbCrlEncoded);
+
+ /* FIXME: semi-stub, need to use CryptDecodeObjectEx to decode the CRL. */
+ pcrl = CryptMemAlloc( sizeof (CRL_CONTEXT) );
+ if( !pcrl )
+ return NULL;
+
+ data = CryptMemAlloc( cbCrlEncoded );
+ if( !data )
+ {
+ CryptMemFree( pcrl );
+ return NULL;
+ }
+
+ pcrl->dwCertEncodingType = dwCertEncodingType;
+ pcrl->pbCrlEncoded = data;
+ pcrl->cbCrlEncoded = cbCrlEncoded;
+ pcrl->pCrlInfo = NULL;
+ pcrl->hCertStore = 0;
+
+ return pcrl;
+}
+
+/* Decodes the encoded certificate and creates the certificate context for it.
+ * The reference count is initially zero, so you must create a reference to it
+ * to avoid leaking memory.
+ */
+static PWINE_CERT_CONTEXT CRYPT_CreateCertificateContext(
+ DWORD dwCertEncodingType, const BYTE *pbCertEncoded, DWORD cbCertEncoded)
+{
+ PWINE_CERT_CONTEXT cert = NULL;
+ BOOL ret;
+ PCERT_SIGNED_CONTENT_INFO signedCert = NULL;
+ PCERT_INFO certInfo = NULL;
+ DWORD size = 0;
+
+ TRACE("(%08lx, %p, %ld)\n", dwCertEncodingType, pbCertEncoded,
+ cbCertEncoded);
+
+ /* First try to decode it as a signed cert. */
+ ret = CryptDecodeObjectEx(X509_ASN_ENCODING, X509_CERT, pbCertEncoded,
+ cbCertEncoded, CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
+ (BYTE *)&signedCert, &size);
+ if (ret)
+ {
+ size = 0;
+ ret = CryptDecodeObjectEx(X509_ASN_ENCODING, X509_CERT_TO_BE_SIGNED,
+ signedCert->ToBeSigned.pbData, signedCert->ToBeSigned.cbData,
+ CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
+ (BYTE *)&certInfo, &size);
+ LocalFree(signedCert);
+ }
+ /* Failing that, try it as an unsigned cert */
+ if (!ret)
+ {
+ size = 0;
+ ret = CryptDecodeObjectEx(X509_ASN_ENCODING, X509_CERT_TO_BE_SIGNED,
+ pbCertEncoded, cbCertEncoded,
+ CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
+ (BYTE *)&certInfo, &size);
+ }
+ if (ret)
+ {
+ BYTE *data = NULL;
+
+ cert = CryptMemAlloc(sizeof(WINE_CERT_CONTEXT));
+ if (!cert)
+ goto end;
+ data = CryptMemAlloc(cbCertEncoded);
+ if (!data)
+ {
+ CryptMemFree(cert);
+ cert = NULL;
+ goto end;
+ }
+ memcpy(data, pbCertEncoded, cbCertEncoded);
+ cert->cert.dwCertEncodingType = dwCertEncodingType;
+ cert->cert.pbCertEncoded = data;
+ cert->cert.cbCertEncoded = cbCertEncoded;
+ cert->cert.pCertInfo = certInfo;
+ cert->cert.hCertStore = 0;
+ cert->ref = 0;
+ InitializeCriticalSection(&cert->cs);
+ list_init(&cert->extendedProperties);
+ }
+
+end:
+ return cert;
+}
+
+static void CRYPT_FreeCert(PWINE_CERT_CONTEXT context)
+{
+ PWINE_CERT_PROPERTY prop, next;
+
+ CryptMemFree(context->cert.pbCertEncoded);
+ LocalFree(context->cert.pCertInfo);
+ DeleteCriticalSection(&context->cs);
+ LIST_FOR_EACH_ENTRY_SAFE(prop, next, &context->extendedProperties,
+ WINE_CERT_PROPERTY, entry)
+ {
+ list_remove(&prop->entry);
+ CryptMemFree(prop->pbData);
+ CryptMemFree(prop);
+ }
+ CryptMemFree(context);
+}
+
+PCCERT_CONTEXT WINAPI CertCreateCertificateContext(DWORD dwCertEncodingType,
+ const BYTE *pbCertEncoded, DWORD cbCertEncoded)
+{
+ PWINE_CERT_CONTEXT cert;
+ PWINE_CERT_CONTEXT_REF ret = NULL;
+
+ TRACE("(%08lx, %p, %ld)\n", dwCertEncodingType, pbCertEncoded,
+ cbCertEncoded);
+
+ cert = CRYPT_CreateCertificateContext(dwCertEncodingType, pbCertEncoded,
+ cbCertEncoded);
+ if (cert)
+ ret = CRYPT_CreateCertRef(cert, 0);
+ return (PCCERT_CONTEXT)ret;
+}
+
+/* Since the properties are stored in a list, this is a tad inefficient
+ * (O(n^2)) since I have to find the previous position every time.
+ */
+DWORD WINAPI CertEnumCertificateContextProperties(PCCERT_CONTEXT pCertContext,
+ DWORD dwPropId)
+{
+ PWINE_CERT_CONTEXT_REF ref = (PWINE_CERT_CONTEXT_REF)pCertContext;
+ DWORD ret;
+
+ TRACE("(%p, %ld)\n", pCertContext, dwPropId);
+
+ EnterCriticalSection(&ref->context->cs);
+ if (dwPropId)
+ {
+ PWINE_CERT_PROPERTY cursor = NULL;
+
+ LIST_FOR_EACH_ENTRY(cursor, &ref->context->extendedProperties,
+ WINE_CERT_PROPERTY, entry)
+ {
+ if (cursor->hdr.propID == dwPropId)
+ break;
+ }
+ if (cursor)
+ {
+ if (cursor->entry.next != &ref->context->extendedProperties)
+ ret = LIST_ENTRY(cursor->entry.next, WINE_CERT_PROPERTY,
+ entry)->hdr.propID;
+ else
+ ret = 0;
+ }
+ else
+ ret = 0;
+ }
+ else if (!list_empty(&ref->context->extendedProperties))
+ ret = LIST_ENTRY(ref->context->extendedProperties.next,
+ WINE_CERT_PROPERTY, entry)->hdr.propID;
+ else
+ ret = 0;
+ LeaveCriticalSection(&ref->context->cs);
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_GetCertificateContextProperty(
+ PWINE_CERT_CONTEXT context, DWORD dwPropId, void *pvData, DWORD *pcbData)
+{
+ PWINE_CERT_PROPERTY prop;
+ BOOL ret, found;
+
+ TRACE("(%p, %ld, %p, %p)\n", context, dwPropId, pvData, pcbData);
+
+ EnterCriticalSection(&context->cs);
+ ret = FALSE;
+ found = FALSE;
+ LIST_FOR_EACH_ENTRY(prop, &context->extendedProperties,
+ WINE_CERT_PROPERTY, entry)
+ {
+ if (prop->hdr.propID == dwPropId)
+ {
+ if (!pvData)
+ {
+ *pcbData = prop->hdr.cb;
+ ret = TRUE;
+ }
+ else if (*pcbData < prop->hdr.cb)
+ {
+ SetLastError(ERROR_MORE_DATA);
+ *pcbData = prop->hdr.cb;
+ }
+ else
+ {
+ memcpy(pvData, prop->pbData, prop->hdr.cb);
+ *pcbData = prop->hdr.cb;
+ ret = TRUE;
+ }
+ found = TRUE;
+ }
+ break;
+ }
+ if (!found)
+ {
+ /* Implicit properties */
+ switch (dwPropId)
+ {
+ case CERT_SHA1_HASH_PROP_ID:
+ ret = CryptHashCertificate(0, CALG_SHA1, 0,
+ context->cert.pbCertEncoded, context->cert.cbCertEncoded, pvData,
+ pcbData);
+ if (ret)
+ {
+ CRYPT_DATA_BLOB blob = { *pcbData, pvData };
+
+ ret = CRYPT_SetCertificateContextProperty(context, dwPropId,
+ 0, &blob);
+ }
+ break;
+ case CERT_KEY_PROV_INFO_PROP_ID:
+ case CERT_MD5_HASH_PROP_ID:
+ case CERT_SIGNATURE_HASH_PROP_ID:
+ case CERT_KEY_IDENTIFIER_PROP_ID:
+ case CERT_SUBJECT_PUBLIC_KEY_MD5_HASH_PROP_ID:
+ case CERT_ISSUER_SERIAL_NUMBER_MD5_HASH_PROP_ID:
+ case CERT_SUBJECT_NAME_MD5_HASH_PROP_ID:
+ FIXME("implicit property %ld\n", dwPropId);
+ break;
+ }
+ }
+ LeaveCriticalSection(&context->cs);
+ TRACE("returning %d\n", ret);
+ return ret;
+}
+
+BOOL WINAPI CertGetCertificateContextProperty(PCCERT_CONTEXT pCertContext,
+ DWORD dwPropId, void *pvData, DWORD *pcbData)
+{
+ PWINE_CERT_CONTEXT_REF ref = (PWINE_CERT_CONTEXT_REF)pCertContext;
+ BOOL ret;
+
+ TRACE("(%p, %ld, %p, %p)\n", pCertContext, dwPropId, pvData, pcbData);
+
+ /* Special cases for invalid/special prop IDs.
+ */
+ switch (dwPropId)
+ {
+ case 0:
+ case CERT_CERT_PROP_ID:
+ case CERT_CRL_PROP_ID:
+ case CERT_CTL_PROP_ID:
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ return FALSE;
+ case CERT_ACCESS_STATE_PROP_ID:
+ if (!pvData)
+ {
+ *pcbData = sizeof(DWORD);
+ return TRUE;
+ }
+ else if (*pcbData < sizeof(DWORD))
+ {
+ SetLastError(ERROR_MORE_DATA);
+ *pcbData = sizeof(DWORD);
+ return FALSE;
+ }
+ else
+ {
+ DWORD state = 0;
+
+ if (pCertContext->hCertStore)
+ {
+ PWINECRYPT_CERTSTORE store =
+ (PWINECRYPT_CERTSTORE)pCertContext->hCertStore;
+
+ /* Take advantage of knowledge of the stores to answer the
+ * access state question
+ */
+ if (store->type != StoreTypeReg ||
+ !(store->dwOpenFlags & CERT_STORE_READONLY_FLAG))
+ state |= CERT_ACCESS_STATE_WRITE_PERSIST_FLAG;
+ }
+ *(DWORD *)pvData = state;
+ return TRUE;
+ }
+ }
+
+ ret = CRYPT_GetCertificateContextProperty(ref->context, dwPropId,
+ pvData, pcbData);
+ TRACE("returning %d\n", ret);
+ return ret;
+}
+
+/* Copies cbData bytes from pbData to the context's property with ID
+ * dwPropId.
+ */
+static BOOL CRYPT_SaveCertificateContextProperty(PWINE_CERT_CONTEXT context,
+ DWORD dwPropId, const BYTE *pbData, size_t cbData)
+{
+ BOOL ret = FALSE;
+ LPBYTE data;
+
+ if (cbData)
+ {
+ data = CryptMemAlloc(cbData);
+ if (data)
+ memcpy(data, pbData, cbData);
+ }
+ else
+ data = NULL;
+ if (!cbData || data)
+ {
+ PWINE_CERT_PROPERTY prop;
+
+ EnterCriticalSection(&context->cs);
+ LIST_FOR_EACH_ENTRY(prop, &context->extendedProperties,
+ WINE_CERT_PROPERTY, entry)
+ {
+ if (prop->hdr.propID == dwPropId)
+ break;
+ }
+ if (prop && prop->entry.next != &context->extendedProperties)
+ {
+ CryptMemFree(prop->pbData);
+ prop->hdr.cb = cbData;
+ prop->pbData = cbData ? data : NULL;
+ ret = TRUE;
+ }
+ else
+ {
+ prop = CryptMemAlloc(sizeof(WINE_CERT_PROPERTY));
+ if (prop)
+ {
+ prop->hdr.propID = dwPropId;
+ prop->hdr.unknown = 1;
+ prop->hdr.cb = cbData;
+ list_init(&prop->entry);
+ prop->pbData = cbData ? data : NULL;
+ list_add_tail(&context->extendedProperties, &prop->entry);
+ ret = TRUE;
+ }
+ else
+ CryptMemFree(data);
+ }
+ LeaveCriticalSection(&context->cs);
+ }
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_SetCertificateContextProperty(
+ PWINE_CERT_CONTEXT context, DWORD dwPropId, DWORD dwFlags, const void *pvData)
+{
+ BOOL ret = FALSE;
+
+ TRACE("(%p, %ld, %08lx, %p)\n", context, dwPropId, dwFlags, pvData);
+
+ if (!pvData)
+ {
+ PWINE_CERT_PROPERTY prop, next;
+
+ EnterCriticalSection(&context->cs);
+ LIST_FOR_EACH_ENTRY_SAFE(prop, next, &context->extendedProperties,
+ WINE_CERT_PROPERTY, entry)
+ {
+ if (prop->hdr.propID == dwPropId)
+ {
+ list_remove(&prop->entry);
+ CryptMemFree(prop->pbData);
+ CryptMemFree(prop);
+ }
+ }
+ LeaveCriticalSection(&context->cs);
+ ret = TRUE;
+ }
+ else
+ {
+ switch (dwPropId)
+ {
+ case CERT_AUTO_ENROLL_PROP_ID:
+ case CERT_CTL_USAGE_PROP_ID:
+ case CERT_DESCRIPTION_PROP_ID:
+ case CERT_FRIENDLY_NAME_PROP_ID:
+ case CERT_HASH_PROP_ID:
+ case CERT_KEY_IDENTIFIER_PROP_ID:
+ case CERT_MD5_HASH_PROP_ID:
+ case CERT_NEXT_UPDATE_LOCATION_PROP_ID:
+ case CERT_PUBKEY_ALG_PARA_PROP_ID:
+ case CERT_PVK_FILE_PROP_ID:
+ case CERT_SIGNATURE_HASH_PROP_ID:
+ case CERT_ISSUER_PUBLIC_KEY_MD5_HASH_PROP_ID:
+ case CERT_SUBJECT_PUBLIC_KEY_MD5_HASH_PROP_ID:
+ case CERT_ENROLLMENT_PROP_ID:
+ case CERT_CROSS_CERT_DIST_POINTS_PROP_ID:
+ case CERT_RENEWAL_PROP_ID:
+ {
+ PCRYPT_DATA_BLOB blob = (PCRYPT_DATA_BLOB)pvData;
+
+ ret = CRYPT_SaveCertificateContextProperty(context, dwPropId,
+ blob->pbData, blob->cbData);
+ break;
+ }
+ case CERT_DATE_STAMP_PROP_ID:
+ ret = CRYPT_SaveCertificateContextProperty(context, dwPropId,
+ pvData, sizeof(FILETIME));
+ break;
+ default:
+ FIXME("%ld: stub\n", dwPropId);
+ }
+ }
+ TRACE("returning %d\n", ret);
+ return ret;
+}
+
+BOOL WINAPI CertSetCertificateContextProperty(PCCERT_CONTEXT pCertContext,
+ DWORD dwPropId, DWORD dwFlags, const void *pvData)
+{
+ PWINE_CERT_CONTEXT_REF ref = (PWINE_CERT_CONTEXT_REF)pCertContext;
+ BOOL ret;
+
+ TRACE("(%p, %ld, %08lx, %p)\n", pCertContext, dwPropId, dwFlags, pvData);
+
+ /* Handle special cases for "read-only"/invalid prop IDs. Windows just
+ * crashes on most of these, I'll be safer.
+ */
+ switch (dwPropId)
+ {
+ case 0:
+ case CERT_ACCESS_STATE_PROP_ID:
+ case CERT_CERT_PROP_ID:
+ case CERT_CRL_PROP_ID:
+ case CERT_CTL_PROP_ID:
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ return FALSE;
+ }
+ ret = CRYPT_SetCertificateContextProperty(ref->context, dwPropId,
+ dwFlags, pvData);
+ TRACE("returning %d\n", ret);
+ return ret;
+}
+
+/* Only the reference portion of the context is duplicated. The returned
+ * context has the cert store set to 0, to prevent the store's certificate free
+ * function from getting called on partial data.
+ * FIXME: is this okay? Needs a test.
+ */
+PCCERT_CONTEXT WINAPI CertDuplicateCertificateContext(
+ PCCERT_CONTEXT pCertContext)
+{
+ PWINE_CERT_CONTEXT_REF ref = (PWINE_CERT_CONTEXT_REF)pCertContext, ret;
+
+ TRACE("(%p)\n", pCertContext);
+ if (ref)
+ {
+ ret = CryptMemAlloc(sizeof(WINE_CERT_CONTEXT_REF));
+ if (ret)
+ {
+ memcpy(ret, ref, sizeof(*ret));
+ ret->cert.hCertStore = 0;
+ InterlockedIncrement(&ret->context->ref);
+ }
+ }
+ else
+ ret = NULL;
+ return (PCCERT_CONTEXT)ret;
+}
+
+BOOL WINAPI CertAddCertificateContextToStore(HCERTSTORE hCertStore,
+ PCCERT_CONTEXT pCertContext, DWORD dwAddDisposition,
+ PCCERT_CONTEXT *ppStoreContext)
+{
+ PWINECRYPT_CERTSTORE store = (PWINECRYPT_CERTSTORE)hCertStore;
+ PWINE_CERT_CONTEXT_REF ref = (PWINE_CERT_CONTEXT_REF)pCertContext;
+ PWINE_CERT_CONTEXT cert;
+ BOOL ret;
+
+ TRACE("(%p, %p, %08lx, %p)\n", hCertStore, pCertContext,
+ dwAddDisposition, ppStoreContext);
+
+ /* FIXME: some tests needed to verify return codes */
+ if (!store)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+ if (store->dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ cert = CRYPT_CreateCertificateContext(ref->context->cert.dwCertEncodingType,
+ ref->context->cert.pbCertEncoded, ref->context->cert.cbCertEncoded);
+ if (cert)
+ {
+ PWINE_CERT_PROPERTY prop;
+
+ ret = TRUE;
+ EnterCriticalSection(&ref->context->cs);
+ LIST_FOR_EACH_ENTRY(prop, &ref->context->extendedProperties,
+ WINE_CERT_PROPERTY, entry)
+ {
+ ret = CRYPT_SaveCertificateContextProperty(cert, prop->hdr.propID,
+ prop->pbData, prop->hdr.cb);
+ if (!ret)
+ break;
+ }
+ LeaveCriticalSection(&ref->context->cs);
+ if (ret)
+ {
+ ret = store->addCert(store, (PCCERT_CONTEXT)cert, dwAddDisposition);
+ if (ret && ppStoreContext)
+ *ppStoreContext = (PCCERT_CONTEXT)store->createCertRef(cert,
+ hCertStore);
+ }
+ if (!ret)
+ CRYPT_FreeCert(cert);
+ }
+ else
+ ret = FALSE;
+ return ret;
+}
+
+BOOL WINAPI CertAddEncodedCertificateToStore(HCERTSTORE hCertStore,
+ DWORD dwCertEncodingType, const BYTE *pbCertEncoded, DWORD cbCertEncoded,
+ DWORD dwAddDisposition, PCCERT_CONTEXT *ppCertContext)
+{
+ WINECRYPT_CERTSTORE *hcs = (WINECRYPT_CERTSTORE *)hCertStore;
+ BOOL ret;
+
+ TRACE("(%p, %08lx, %p, %ld, %08lx, %p)\n", hCertStore, dwCertEncodingType,
+ pbCertEncoded, cbCertEncoded, dwAddDisposition, ppCertContext);
+
+ if (!hcs)
+ ret = FALSE;
+ else if (hcs->dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
+ ret = FALSE;
+ else
+ {
+ PWINE_CERT_CONTEXT cert = CRYPT_CreateCertificateContext(
+ dwCertEncodingType, pbCertEncoded, cbCertEncoded);
+
+ if (cert)
+ {
+ ret = hcs->addCert(hcs, (PCCERT_CONTEXT)cert, dwAddDisposition);
+ if (ret && ppCertContext)
+ *ppCertContext = (PCCERT_CONTEXT)hcs->createCertRef(cert,
+ hCertStore);
+ if (!ret)
+ CRYPT_FreeCert(cert);
+ }
+ else
+ ret = FALSE;
+ }
+ return ret;
+}
+
+PCCERT_CONTEXT WINAPI CertEnumCertificatesInStore(HCERTSTORE hCertStore,
+ PCCERT_CONTEXT pPrev)
+{
+ WINECRYPT_CERTSTORE *hcs = (WINECRYPT_CERTSTORE *)hCertStore;
+ PWINE_CERT_CONTEXT_REF prev = (PWINE_CERT_CONTEXT_REF)pPrev;
+ PCCERT_CONTEXT ret;
+
+ TRACE("(%p, %p)\n", hCertStore, pPrev);
+ if (!hCertStore)
+ ret = NULL;
+ else if (hcs->dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
+ ret = NULL;
+ else
+ ret = (PCCERT_CONTEXT)hcs->enumCert(hcs, prev);
+ return ret;
+}
+
+BOOL WINAPI CertDeleteCertificateFromStore(PCCERT_CONTEXT pCertContext)
+{
+ BOOL ret;
+
+ TRACE("(%p)\n", pCertContext);
+
+ if (!pCertContext)
+ ret = TRUE;
+ else if (!pCertContext->hCertStore)
+ {
+ ret = TRUE;
+ CertFreeCertificateContext(pCertContext);
+ }
+ else
+ {
+ PWINECRYPT_CERTSTORE hcs =
+ (PWINECRYPT_CERTSTORE)pCertContext->hCertStore;
+
+ if (!hcs)
+ ret = TRUE;
+ else if (hcs->dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
+ ret = FALSE;
+ else
+ {
+ ret = hcs->deleteCert(hcs, pCertContext, 0);
+ CertFreeCertificateContext(pCertContext);
+ }
+ }
+ return ret;
+}
+
+BOOL WINAPI CertAddEncodedCRLToStore(HCERTSTORE hCertStore,
+ DWORD dwCertEncodingType, const BYTE *pbCrlEncoded, DWORD cbCrlEncoded,
+ DWORD dwAddDisposition, PCCRL_CONTEXT *ppCrlContext)
+{
+ FIXME("(%p, %08lx, %p, %ld, %08lx, %p): stub\n", hCertStore,
+ dwCertEncodingType, pbCrlEncoded, cbCrlEncoded, dwAddDisposition,
+ ppCrlContext);
+ return FALSE;
+}
+
+BOOL WINAPI CertAddCRLContextToStore( HCERTSTORE hCertStore,
+ PCCRL_CONTEXT pCrlContext, DWORD dwAddDisposition,
+ PCCRL_CONTEXT* ppStoreContext )
+{
+ FIXME("%p %p %08lx %p\n", hCertStore, pCrlContext,
+ dwAddDisposition, ppStoreContext);
+ return TRUE;
+}
+
+BOOL WINAPI CertFreeCRLContext( PCCRL_CONTEXT pCrlContext)
+{
+ FIXME("%p\n", pCrlContext );
+
+ return TRUE;
+}
+
+BOOL WINAPI CertDeleteCRLFromStore(PCCRL_CONTEXT pCrlContext)
+{
+ FIXME("(%p): stub\n", pCrlContext);
+ return TRUE;
+}
+
+PCCRL_CONTEXT WINAPI CertEnumCRLsInStore(HCERTSTORE hCertStore,
+ PCCRL_CONTEXT pPrev)
+{
+ FIXME("(%p, %p): stub\n", hCertStore, pPrev);
+ return NULL;
+}
+
+PCCTL_CONTEXT WINAPI CertCreateCTLContext(DWORD dwCertEncodingType,
+ const BYTE* pbCtlEncoded, DWORD cbCtlEncoded)
+{
+ FIXME("(%08lx, %p, %08lx): stub\n", dwCertEncodingType, pbCtlEncoded,
+ cbCtlEncoded);
+ return NULL;
+}
+
+BOOL WINAPI CertAddEncodedCTLToStore(HCERTSTORE hCertStore,
+ DWORD dwMsgAndCertEncodingType, const BYTE *pbCtlEncoded, DWORD cbCtlEncoded,
+ DWORD dwAddDisposition, PCCTL_CONTEXT *ppCtlContext)
+{
+ FIXME("(%p, %08lx, %p, %ld, %08lx, %p): stub\n", hCertStore,
+ dwMsgAndCertEncodingType, pbCtlEncoded, cbCtlEncoded, dwAddDisposition,
+ ppCtlContext);
+ return FALSE;
+}
+
+BOOL WINAPI CertAddCTLContextToStore(HCERTSTORE hCertStore,
+ PCCTL_CONTEXT pCtlContext, DWORD dwAddDisposition,
+ PCCTL_CONTEXT* ppStoreContext)
+{
+ FIXME("(%p, %p, %08lx, %p): stub\n", hCertStore, pCtlContext,
+ dwAddDisposition, ppStoreContext);
+ return TRUE;
+}
+
+BOOL WINAPI CertFreeCTLContext(PCCTL_CONTEXT pCtlContext)
+{
+ FIXME("(%p): stub\n", pCtlContext );
+ return TRUE;
+}
+
+BOOL WINAPI CertDeleteCTLFromStore(PCCTL_CONTEXT pCtlContext)
+{
+ FIXME("(%p): stub\n", pCtlContext);
+ return TRUE;
+}
+
+PCCTL_CONTEXT WINAPI CertEnumCTLsInStore(HCERTSTORE hCertStore,
+ PCCTL_CONTEXT pPrev)
+{
+ FIXME("(%p, %p): stub\n", hCertStore, pPrev);
+ return NULL;
+}
+
+
+BOOL WINAPI CertCloseStore(HCERTSTORE hCertStore, DWORD dwFlags)
+{
+ WINECRYPT_CERTSTORE *hcs = (WINECRYPT_CERTSTORE *) hCertStore;
+
+ TRACE("(%p, %08lx)\n", hCertStore, dwFlags);
+
+ if( ! hCertStore )
+ return TRUE;
+
+ if ( hcs->dwMagic != WINE_CRYPTCERTSTORE_MAGIC )
+ return FALSE;
+
+ if (InterlockedDecrement(&hcs->ref) == 0)
+ {
+ TRACE("%p's ref count is 0, freeing\n", hcs);
+ hcs->dwMagic = 0;
+ if (!(hcs->dwOpenFlags & CERT_STORE_NO_CRYPT_RELEASE_FLAG))
+ CryptReleaseContext(hcs->cryptProv, 0);
+ hcs->closeStore(hcs, dwFlags);
+ }
+ else
+ TRACE("%p's ref count is %ld\n", hcs, hcs->ref);
+ return TRUE;
+}
+
+BOOL WINAPI CertControlStore(HCERTSTORE hCertStore, DWORD dwFlags,
+ DWORD dwCtrlType, void const *pvCtrlPara)
+{
+ WINECRYPT_CERTSTORE *hcs = (WINECRYPT_CERTSTORE *)hCertStore;
+ BOOL ret;
+
+ TRACE("(%p, %08lx, %ld, %p)\n", hCertStore, dwFlags, dwCtrlType,
+ pvCtrlPara);
+
+ if (!hcs)
+ ret = FALSE;
+ else if (hcs->dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
+ ret = FALSE;
+ else
+ {
+ if (hcs->control)
+ ret = hcs->control(hCertStore, dwFlags, dwCtrlType, pvCtrlPara);
+ else
+ ret = TRUE;
+ }
+ return ret;
+}
+
+BOOL WINAPI CertGetCRLContextProperty(PCCRL_CONTEXT pCRLContext,
+ DWORD dwPropId, void *pvData, DWORD *pcbData)
+{
+ FIXME("(%p, %ld, %p, %p): stub\n", pCRLContext, dwPropId, pvData, pcbData);
+ return FALSE;
+}
+
+BOOL WINAPI CertSetCRLContextProperty(PCCRL_CONTEXT pCRLContext,
+ DWORD dwPropId, DWORD dwFlags, const void *pvData)
+{
+ FIXME("(%p, %ld, %08lx, %p): stub\n", pCRLContext, dwPropId, dwFlags,
+ pvData);
+ return FALSE;
+}
+
+BOOL WINAPI CertSerializeCRLStoreElement(PCCRL_CONTEXT pCrlContext,
+ DWORD dwFlags, BYTE *pbElement, DWORD *pcbElement)
+{
+ FIXME("(%p, %08lx, %p, %p): stub\n", pCrlContext, dwFlags, pbElement,
+ pcbElement);
+ return FALSE;
+}
+
+BOOL WINAPI CertGetCTLContextProperty(PCCTL_CONTEXT pCTLContext,
+ DWORD dwPropId, void *pvData, DWORD *pcbData)
+{
+ FIXME("(%p, %ld, %p, %p): stub\n", pCTLContext, dwPropId, pvData, pcbData);
+ return FALSE;
+}
+
+BOOL WINAPI CertSetCTLContextProperty(PCCTL_CONTEXT pCTLContext,
+ DWORD dwPropId, DWORD dwFlags, const void *pvData)
+{
+ FIXME("(%p, %ld, %08lx, %p): stub\n", pCTLContext, dwPropId, dwFlags,
+ pvData);
+ return FALSE;
+}
+
+BOOL WINAPI CertSerializeCTLStoreElement(PCCTL_CONTEXT pCtlContext,
+ DWORD dwFlags, BYTE *pbElement, DWORD *pcbElement)
+{
+ FIXME("(%p, %08lx, %p, %p): stub\n", pCtlContext, dwFlags, pbElement,
+ pcbElement);
+ return FALSE;
+}
+
+BOOL WINAPI CertSerializeCertificateStoreElement(PCCERT_CONTEXT pCertContext,
+ DWORD dwFlags, BYTE *pbElement, DWORD *pcbElement)
+{
+ BOOL ret;
+
+ TRACE("(%p, %08lx, %p, %p)\n", pCertContext, dwFlags, pbElement,
+ pcbElement);
+
+ if (pCertContext)
+ {
+ PWINE_CERT_CONTEXT_REF ref = (PWINE_CERT_CONTEXT_REF)pCertContext;
+ DWORD bytesNeeded = sizeof(WINE_CERT_PROP_HEADER) +
+ pCertContext->cbCertEncoded;
+ PWINE_CERT_PROPERTY prop;
+
+ EnterCriticalSection(&ref->context->cs);
+ LIST_FOR_EACH_ENTRY(prop, &ref->context->extendedProperties,
+ WINE_CERT_PROPERTY, entry)
+ bytesNeeded += sizeof(WINE_CERT_PROP_HEADER) + prop->hdr.cb;
+ if (!pbElement)
+ {
+ *pcbElement = bytesNeeded;
+ ret = TRUE;
+ }
+ else if (*pcbElement < bytesNeeded)
+ {
+ *pcbElement = bytesNeeded;
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ PWINE_CERT_PROP_HEADER hdr;
+
+ LIST_FOR_EACH_ENTRY(prop, &ref->context->extendedProperties,
+ WINE_CERT_PROPERTY, entry)
+ {
+ memcpy(pbElement, &prop->hdr, sizeof(WINE_CERT_PROP_HEADER));
+ pbElement += sizeof(WINE_CERT_PROP_HEADER);
+ if (prop->hdr.cb)
+ {
+ memcpy(pbElement, prop->pbData, prop->hdr.cb);
+ pbElement += prop->hdr.cb;
+ }
+ }
+ hdr = (PWINE_CERT_PROP_HEADER)pbElement;
+ hdr->propID = CERT_CERT_PROP_ID;
+ hdr->unknown = 1;
+ hdr->cb = pCertContext->cbCertEncoded;
+ memcpy(pbElement + sizeof(WINE_CERT_PROP_HEADER),
+ pCertContext->pbCertEncoded, pCertContext->cbCertEncoded);
+ ret = TRUE;
+ }
+ LeaveCriticalSection(&ref->context->cs);
+ }
+ else
+ ret = FALSE;
+ return ret;
+}
+
+/* Looks for the property with ID propID in the buffer buf. Returns a pointer
+ * to its header if a valid header is found, NULL if not. Valid means the
+ * length of thte property won't overrun buf, and the unknown field is 1.
+ */
+static const WINE_CERT_PROP_HEADER *CRYPT_findPropID(const BYTE *buf,
+ DWORD size, DWORD propID)
+{
+ const WINE_CERT_PROP_HEADER *ret = NULL;
+ BOOL done = FALSE;
+
+ while (size && !ret && !done)
+ {
+ if (size < sizeof(WINE_CERT_PROP_HEADER))
+ {
+ SetLastError(CRYPT_E_FILE_ERROR);
+ done = TRUE;
+ }
+ else
+ {
+ const WINE_CERT_PROP_HEADER *hdr =
+ (const WINE_CERT_PROP_HEADER *)buf;
+
+ size -= sizeof(WINE_CERT_PROP_HEADER);
+ buf += sizeof(WINE_CERT_PROP_HEADER);
+ if (size < hdr->cb)
+ {
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ done = TRUE;
+ }
+ else if (!hdr->propID)
+ {
+ /* assume a zero prop ID means the data are uninitialized, so
+ * stop looking.
+ */
+ done = TRUE;
+ }
+ else if (hdr->unknown != 1)
+ {
+ SetLastError(ERROR_FILE_NOT_FOUND);
+ done = TRUE;
+ }
+ else if (hdr->propID == propID)
+ ret = hdr;
+ else
+ {
+ buf += hdr->cb;
+ size -= hdr->cb;
+ }
+ }
+ }
+ return ret;
+}
+
+static const void * WINAPI CRYPT_ReadSerializedElement(const BYTE *pbElement,
+ DWORD cbElement, DWORD dwContextTypeFlags, DWORD *pdwContentType)
+{
+ const void *context;
+
+ TRACE("(%p, %ld, %08lx, %p)\n", pbElement, cbElement, dwContextTypeFlags,
+ pdwContentType);
+
+ if (!cbElement)
+ {
+ SetLastError(ERROR_END_OF_MEDIA);
+ return NULL;
+ }
+
+ __TRY
+ {
+ const WINE_CONTEXT_INTERFACE *contextInterface = NULL;
+ const WINE_CERT_PROP_HEADER *hdr = NULL;
+ DWORD type = 0;
+ BOOL ret;
+
+ ret = TRUE;
+ context = NULL;
+ if (dwContextTypeFlags == CERT_STORE_ALL_CONTEXT_FLAG)
+ {
+ hdr = CRYPT_findPropID(pbElement, cbElement, CERT_CERT_PROP_ID);
+ if (hdr)
+ type = CERT_STORE_CERTIFICATE_CONTEXT;
+ else
+ {
+ hdr = CRYPT_findPropID(pbElement, cbElement, CERT_CRL_PROP_ID);
+ if (hdr)
+ type = CERT_STORE_CRL_CONTEXT;
+ else
+ {
+ hdr = CRYPT_findPropID(pbElement, cbElement,
+ CERT_CTL_PROP_ID);
+ if (hdr)
+ type = CERT_STORE_CTL_CONTEXT;
+ }
+ }
+ }
+ else if (dwContextTypeFlags & CERT_STORE_CERTIFICATE_CONTEXT_FLAG)
+ {
+ hdr = CRYPT_findPropID(pbElement, cbElement, CERT_CERT_PROP_ID);
+ type = CERT_STORE_CERTIFICATE_CONTEXT;
+ }
+ else if (dwContextTypeFlags & CERT_STORE_CRL_CONTEXT_FLAG)
+ {
+ hdr = CRYPT_findPropID(pbElement, cbElement, CERT_CRL_PROP_ID);
+ type = CERT_STORE_CRL_CONTEXT;
+ }
+ else if (dwContextTypeFlags & CERT_STORE_CTL_CONTEXT_FLAG)
+ {
+ hdr = CRYPT_findPropID(pbElement, cbElement, CERT_CTL_PROP_ID);
+ type = CERT_STORE_CTL_CONTEXT;
+ }
+
+ switch (type)
+ {
+ case CERT_STORE_CERTIFICATE_CONTEXT:
+ contextInterface = &gCertInterface;
+ break;
+ case CERT_STORE_CRL_CONTEXT:
+ contextInterface = &gCRLInterface;
+ break;
+ case CERT_STORE_CTL_CONTEXT:
+ contextInterface = &gCTLInterface;
+ break;
+ default:
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ ret = FALSE;
+ }
+ if (!hdr)
+ ret = FALSE;
+
+ if (ret)
+ context = contextInterface->create(X509_ASN_ENCODING,
+ (BYTE *)hdr + sizeof(WINE_CERT_PROP_HEADER), hdr->cb);
+ if (ret && context)
+ {
+ BOOL noMoreProps = FALSE;
+
+ while (!noMoreProps && ret)
+ {
+ if (cbElement < sizeof(WINE_CERT_PROP_HEADER))
+ ret = FALSE;
+ else
+ {
+ const WINE_CERT_PROP_HEADER *hdr =
+ (const WINE_CERT_PROP_HEADER *)pbElement;
+
+ TRACE("prop is %ld\n", hdr->propID);
+ cbElement -= sizeof(WINE_CERT_PROP_HEADER);
+ pbElement += sizeof(WINE_CERT_PROP_HEADER);
+ if (cbElement < hdr->cb)
+ {
+ SetLastError(HRESULT_FROM_WIN32(
+ ERROR_INVALID_PARAMETER));
+ ret = FALSE;
+ }
+ else if (!hdr->propID)
+ {
+ /* Like in CRYPT_findPropID, stop if the propID is zero
+ */
+ noMoreProps = TRUE;
+ }
+ else if (hdr->unknown != 1)
+ {
+ SetLastError(ERROR_FILE_NOT_FOUND);
+ ret = FALSE;
+ }
+ else if (hdr->propID != CERT_CERT_PROP_ID &&
+ hdr->propID != CERT_CRL_PROP_ID && hdr->propID !=
+ CERT_CTL_PROP_ID)
+ {
+ /* Have to create a blob for most types, but not
+ * for all.. arghh.
+ */
+ switch (hdr->propID)
+ {
+ case CERT_AUTO_ENROLL_PROP_ID:
+ case CERT_CTL_USAGE_PROP_ID:
+ case CERT_DESCRIPTION_PROP_ID:
+ case CERT_FRIENDLY_NAME_PROP_ID:
+ case CERT_HASH_PROP_ID:
+ case CERT_KEY_IDENTIFIER_PROP_ID:
+ case CERT_MD5_HASH_PROP_ID:
+ case CERT_NEXT_UPDATE_LOCATION_PROP_ID:
+ case CERT_PUBKEY_ALG_PARA_PROP_ID:
+ case CERT_PVK_FILE_PROP_ID:
+ case CERT_SIGNATURE_HASH_PROP_ID:
+ case CERT_ISSUER_PUBLIC_KEY_MD5_HASH_PROP_ID:
+ case CERT_SUBJECT_PUBLIC_KEY_MD5_HASH_PROP_ID:
+ case CERT_ENROLLMENT_PROP_ID:
+ case CERT_CROSS_CERT_DIST_POINTS_PROP_ID:
+ case CERT_RENEWAL_PROP_ID:
+ {
+ CRYPT_DATA_BLOB blob = { hdr->cb,
+ (LPBYTE)pbElement };
+
+ ret = contextInterface->setProp(context,
+ hdr->propID, 0, &blob);
+ break;
+ }
+ case CERT_DATE_STAMP_PROP_ID:
+ ret = contextInterface->setProp(context,
+ hdr->propID, 0, pbElement);
+ break;
+ default:
+ FIXME("prop ID %ld: stub\n", hdr->propID);
+ }
+ }
+ pbElement += hdr->cb;
+ cbElement -= hdr->cb;
+ if (!cbElement)
+ noMoreProps = TRUE;
+ }
+ }
+ if (ret)
+ {
+ if (pdwContentType)
+ *pdwContentType = type;
+ }
+ else
+ {
+ contextInterface->free(context);
+ context = NULL;
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ context = NULL;
+ }
+ __ENDTRY
+ return context;
+}
+
+BOOL WINAPI CertAddSerializedElementToStore(HCERTSTORE hCertStore,
+ const BYTE *pbElement, DWORD cbElement, DWORD dwAddDisposition, DWORD dwFlags,
+ DWORD dwContextTypeFlags, DWORD *pdwContentType, const void **ppvContext)
+{
+ const void *context;
+ DWORD type;
+ BOOL ret;
+
+ TRACE("(%p, %p, %ld, %08lx, %08lx, %08lx, %p, %p)\n", hCertStore,
+ pbElement, cbElement, dwAddDisposition, dwFlags, dwContextTypeFlags,
+ pdwContentType, ppvContext);
+
+ /* Call the internal function, then delete the hashes. Tests show this
+ * function uses real hash values, not whatever's stored in the hash
+ * property.
+ */
+ context = CRYPT_ReadSerializedElement(pbElement, cbElement,
+ dwContextTypeFlags, &type);
+ if (context)
+ {
+ const WINE_CONTEXT_INTERFACE *contextInterface = NULL;
+
+ switch (type)
+ {
+ case CERT_STORE_CERTIFICATE_CONTEXT:
+ contextInterface = &gCertInterface;
+ break;
+ case CERT_STORE_CRL_CONTEXT:
+ contextInterface = &gCRLInterface;
+ break;
+ case CERT_STORE_CTL_CONTEXT:
+ contextInterface = &gCTLInterface;
+ break;
+ default:
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ }
+ if (contextInterface)
+ {
+ contextInterface->setProp(context, CERT_HASH_PROP_ID, 0, NULL);
+ contextInterface->setProp(context, CERT_MD5_HASH_PROP_ID, 0, NULL);
+ contextInterface->setProp(context, CERT_SIGNATURE_HASH_PROP_ID, 0,
+ NULL);
+ if (pdwContentType)
+ *pdwContentType = type;
+ ret = contextInterface->addContextToStore(hCertStore, context,
+ dwAddDisposition, ppvContext);
+ contextInterface->free(context);
+ }
+ else
+ ret = FALSE;
+ }
+ else
+ ret = FALSE;
+ return ret;
+}
+
+BOOL WINAPI CertFreeCertificateContext(PCCERT_CONTEXT pCertContext)
+{
+ TRACE("(%p)\n", pCertContext);
+
+ if (pCertContext)
+ {
+ PWINE_CERT_CONTEXT_REF ref = (PWINE_CERT_CONTEXT_REF)pCertContext;
+ PWINECRYPT_CERTSTORE store = (PWINECRYPT_CERTSTORE)ref->cert.hCertStore;
+
+ if (InterlockedDecrement(&ref->context->ref) == 0)
+ {
+ TRACE("%p's ref count is 0, freeing\n", ref->context);
+ CRYPT_FreeCert(ref->context);
+ }
+ else
+ TRACE("%p's ref count is %ld\n", ref->context, ref->context->ref);
+ if (store && store->dwMagic == WINE_CRYPTCERTSTORE_MAGIC &&
+ store->freeCert)
+ store->freeCert(ref);
+ CryptMemFree(ref);
+ }
+ return TRUE;
+}
+
+PCCERT_CONTEXT WINAPI CertFindCertificateInStore(HCERTSTORE hCertStore,
+ DWORD dwCertEncodingType, DWORD dwFlags, DWORD dwType,
+ const void *pvPara, PCCERT_CONTEXT pPrevCertContext)
+{
+ FIXME("stub: %p %ld %ld %ld %p %p\n", hCertStore, dwCertEncodingType,
+ dwFlags, dwType, pvPara, pPrevCertContext);
+ SetLastError(CRYPT_E_NOT_FOUND);
+ return NULL;
+}
+
+BOOL WINAPI CertAddStoreToCollection(HCERTSTORE hCollectionStore,
+ HCERTSTORE hSiblingStore, DWORD dwUpdateFlags, DWORD dwPriority)
+{
+ PWINE_COLLECTIONSTORE collection = (PWINE_COLLECTIONSTORE)hCollectionStore;
+ WINECRYPT_CERTSTORE *sibling = (WINECRYPT_CERTSTORE *)hSiblingStore;
+ PWINE_STORE_LIST_ENTRY entry;
+ BOOL ret;
+
+ TRACE("(%p, %p, %08lx, %ld)\n", hCollectionStore, hSiblingStore,
+ dwUpdateFlags, dwPriority);
+
+ if (!collection || !sibling)
+ return TRUE;
+ if (collection->hdr.dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
+ {
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ return FALSE;
+ }
+ if (collection->hdr.type != StoreTypeCollection)
+ {
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ return FALSE;
+ }
+ if (sibling->dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
+ {
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ return FALSE;
+ }
+
+ entry = CryptMemAlloc(sizeof(WINE_STORE_LIST_ENTRY));
+ if (entry)
+ {
+ InterlockedIncrement(&sibling->ref);
+ TRACE("sibling %p's ref count is %ld\n", sibling, sibling->ref);
+ entry->store = sibling;
+ entry->dwUpdateFlags = dwUpdateFlags;
+ entry->dwPriority = dwPriority;
+ list_init(&entry->entry);
+ TRACE("%p: adding %p, priority %ld\n", collection, entry, dwPriority);
+ EnterCriticalSection(&collection->cs);
+ if (dwPriority)
+ {
+ PWINE_STORE_LIST_ENTRY cursor;
+ BOOL added = FALSE;
+
+ LIST_FOR_EACH_ENTRY(cursor, &collection->stores,
+ WINE_STORE_LIST_ENTRY, entry)
+ {
+ if (cursor->dwPriority < dwPriority)
+ {
+ list_add_before(&cursor->entry, &entry->entry);
+ added = TRUE;
+ break;
+ }
+ }
+ if (!added)
+ list_add_tail(&collection->stores, &entry->entry);
+ }
+ else
+ list_add_tail(&collection->stores, &entry->entry);
+ LeaveCriticalSection(&collection->cs);
+ ret = TRUE;
+ }
+ else
+ ret = FALSE;
+ return ret;
+}
+
+void WINAPI CertRemoveStoreFromCollection(HCERTSTORE hCollectionStore,
+ HCERTSTORE hSiblingStore)
+{
+ PWINE_COLLECTIONSTORE collection = (PWINE_COLLECTIONSTORE)hCollectionStore;
+ WINECRYPT_CERTSTORE *sibling = (WINECRYPT_CERTSTORE *)hSiblingStore;
+ PWINE_STORE_LIST_ENTRY store, next;
+
+ TRACE("(%p, %p)\n", hCollectionStore, hSiblingStore);
+
+ if (!collection || !sibling)
+ return;
+ if (collection->hdr.dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
+ {
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ return;
+ }
+ if (collection->hdr.type != StoreTypeCollection)
+ return;
+ if (sibling->dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
+ {
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ return;
+ }
+ EnterCriticalSection(&collection->cs);
+ LIST_FOR_EACH_ENTRY_SAFE(store, next, &collection->stores,
+ WINE_STORE_LIST_ENTRY, entry)
+ {
+ if (store->store == sibling)
+ {
+ list_remove(&store->entry);
+ CertCloseStore(store->store, 0);
+ CryptMemFree(store);
+ break;
+ }
+ }
+ LeaveCriticalSection(&collection->cs);
+}
+
+PCRYPT_ATTRIBUTE WINAPI CertFindAttribute(LPCSTR pszObjId, DWORD cAttr,
+ CRYPT_ATTRIBUTE rgAttr[])
+{
+ PCRYPT_ATTRIBUTE ret = NULL;
+ DWORD i;
+
+ TRACE("%s %ld %p\n", debugstr_a(pszObjId), cAttr, rgAttr);
+
+ if (!cAttr)
+ return NULL;
+ if (!pszObjId)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return NULL;
+ }
+
+ for (i = 0; !ret && i < cAttr; i++)
+ if (rgAttr[i].pszObjId && !strcmp(pszObjId, rgAttr[i].pszObjId))
+ ret = &rgAttr[i];
+ return ret;
+}
+
+PCERT_EXTENSION WINAPI CertFindExtension(LPCSTR pszObjId, DWORD cExtensions,
+ CERT_EXTENSION rgExtensions[])
+{
+ PCERT_EXTENSION ret = NULL;
+ DWORD i;
+
+ TRACE("%s %ld %p\n", debugstr_a(pszObjId), cExtensions, rgExtensions);
+
+ if (!cExtensions)
+ return NULL;
+ if (!pszObjId)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return NULL;
+ }
+
+ for (i = 0; !ret && i < cExtensions; i++)
+ if (rgExtensions[i].pszObjId && !strcmp(pszObjId,
+ rgExtensions[i].pszObjId))
+ ret = &rgExtensions[i];
+ return ret;
+}
+
+PCERT_RDN_ATTR WINAPI CertFindRDNAttr(LPCSTR pszObjId, PCERT_NAME_INFO pName)
+{
+ PCERT_RDN_ATTR ret = NULL;
+ DWORD i, j;
+
+ TRACE("%s %p\n", debugstr_a(pszObjId), pName);
+
+ if (!pszObjId)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return NULL;
+ }
+
+ for (i = 0; !ret && i < pName->cRDN; i++)
+ for (j = 0; !ret && j < pName->rgRDN[i].cRDNAttr; j++)
+ if (pName->rgRDN[i].rgRDNAttr[j].pszObjId && !strcmp(pszObjId,
+ pName->rgRDN[i].rgRDNAttr[j].pszObjId))
+ ret = &pName->rgRDN[i].rgRDNAttr[j];
+ return ret;
+}
+
+LONG WINAPI CertVerifyTimeValidity(LPFILETIME pTimeToVerify,
+ PCERT_INFO pCertInfo)
+{
+ FILETIME fileTime;
+ LONG ret;
+
+ if (!pTimeToVerify)
+ {
+ SYSTEMTIME sysTime;
+
+ GetSystemTime(&sysTime);
+ SystemTimeToFileTime(&sysTime, &fileTime);
+ pTimeToVerify = &fileTime;
+ }
+ if ((ret = CompareFileTime(pTimeToVerify, &pCertInfo->NotBefore)) >= 0)
+ {
+ ret = CompareFileTime(pTimeToVerify, &pCertInfo->NotAfter);
+ if (ret < 0)
+ ret = 0;
+ }
+ return ret;
+}
+
+BOOL WINAPI CryptHashCertificate(HCRYPTPROV hCryptProv, ALG_ID Algid,
+ DWORD dwFlags, const BYTE *pbEncoded, DWORD cbEncoded, BYTE *pbComputedHash,
+ DWORD *pcbComputedHash)
+{
+ BOOL ret = TRUE;
+ HCRYPTHASH hHash = 0;
+
+ TRACE("(%ld, %d, %08lx, %p, %ld, %p, %p)\n", hCryptProv, Algid, dwFlags,
+ pbEncoded, cbEncoded, pbComputedHash, pcbComputedHash);
+
+ if (!hCryptProv)
+ hCryptProv = CRYPT_GetDefaultProvider();
+ if (!Algid)
+ Algid = CALG_SHA1;
+ if (ret)
+ {
+ ret = CryptCreateHash(hCryptProv, Algid, 0, 0, &hHash);
+ if (ret)
+ {
+ ret = CryptHashData(hHash, pbEncoded, cbEncoded, 0);
+ if (ret)
+ ret = CryptGetHashParam(hHash, HP_HASHVAL, pbComputedHash,
+ pcbComputedHash, 0);
+ CryptDestroyHash(hHash);
+ }
+ }
+ return ret;
+}
+
+BOOL WINAPI CryptSignCertificate(HCRYPTPROV hCryptProv, DWORD dwKeySpec,
+ DWORD dwCertEncodingType, const BYTE *pbEncodedToBeSigned,
+ DWORD cbEncodedToBeSigned, PCRYPT_ALGORITHM_IDENTIFIER pSignatureAlgorithm,
+ const void *pvHashAuxInfo, BYTE *pbSignature, DWORD *pcbSignature)
+{
+ BOOL ret;
+ ALG_ID algID;
+ HCRYPTHASH hHash;
+
+ TRACE("(%08lx, %ld, %ld, %p, %ld, %p, %p, %p, %p)\n", hCryptProv,
+ dwKeySpec, dwCertEncodingType, pbEncodedToBeSigned, cbEncodedToBeSigned,
+ pSignatureAlgorithm, pvHashAuxInfo, pbSignature, pcbSignature);
+
+ algID = CertOIDToAlgId(pSignatureAlgorithm->pszObjId);
+ if (!algID)
+ {
+ SetLastError(NTE_BAD_ALGID);
+ return FALSE;
+ }
+ if (!hCryptProv)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ ret = CryptCreateHash(hCryptProv, algID, 0, 0, &hHash);
+ if (ret)
+ {
+ ret = CryptHashData(hHash, pbEncodedToBeSigned, cbEncodedToBeSigned, 0);
+ if (ret)
+ ret = CryptSignHashW(hHash, dwKeySpec, NULL, 0, pbSignature,
+ pcbSignature);
+ CryptDestroyHash(hHash);
+ }
+ return ret;
+}
+
+BOOL WINAPI CryptVerifyCertificateSignature(HCRYPTPROV hCryptProv,
+ DWORD dwCertEncodingType, const BYTE *pbEncoded, DWORD cbEncoded,
+ PCERT_PUBLIC_KEY_INFO pPublicKey)
+{
+ return CryptVerifyCertificateSignatureEx(hCryptProv, dwCertEncodingType,
+ CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB, (void *)pbEncoded,
+ CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY, pPublicKey, 0, NULL);
+}
+
+BOOL WINAPI CryptVerifyCertificateSignatureEx(HCRYPTPROV hCryptProv,
+ DWORD dwCertEncodingType, DWORD dwSubjectType, void *pvSubject,
+ DWORD dwIssuerType, void *pvIssuer, DWORD dwFlags, void *pvReserved)
+{
+ BOOL ret = TRUE;
+ CRYPT_DATA_BLOB subjectBlob;
+
+ TRACE("(%08lx, %ld, %ld, %p, %ld, %p, %08lx, %p)\n", hCryptProv,
+ dwCertEncodingType, dwSubjectType, pvSubject, dwIssuerType, pvIssuer,
+ dwFlags, pvReserved);
+
+ switch (dwSubjectType)
+ {
+ case CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB:
+ {
+ PCRYPT_DATA_BLOB blob = (PCRYPT_DATA_BLOB)pvSubject;
+
+ subjectBlob.pbData = blob->pbData;
+ subjectBlob.cbData = blob->cbData;
+ break;
+ }
+ case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CERT:
+ {
+ PCERT_CONTEXT context = (PCERT_CONTEXT)pvSubject;
+
+ subjectBlob.pbData = context->pbCertEncoded;
+ subjectBlob.cbData = context->cbCertEncoded;
+ break;
+ }
+ case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CRL:
+ {
+ PCRL_CONTEXT context = (PCRL_CONTEXT)pvSubject;
+
+ subjectBlob.pbData = context->pbCrlEncoded;
+ subjectBlob.cbData = context->cbCrlEncoded;
+ break;
+ }
+ default:
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ ret = FALSE;
+ }
+
+ if (ret)
+ {
+ PCERT_SIGNED_CONTENT_INFO signedCert = NULL;
+ DWORD size = 0;
+
+ ret = CryptDecodeObjectEx(dwCertEncodingType, X509_CERT,
+ subjectBlob.pbData, subjectBlob.cbData,
+ CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
+ (BYTE *)&signedCert, &size);
+ if (ret)
+ {
+ switch (dwIssuerType)
+ {
+ case CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY:
+ {
+ PCERT_PUBLIC_KEY_INFO pubKeyInfo =
+ (PCERT_PUBLIC_KEY_INFO)pvIssuer;
+ ALG_ID algID = CertOIDToAlgId(pubKeyInfo->Algorithm.pszObjId);
+
+ if (algID)
+ {
+ HCRYPTKEY key;
+
+ ret = CryptImportPublicKeyInfoEx(hCryptProv,
+ dwCertEncodingType, pubKeyInfo, algID, 0, NULL, &key);
+ if (ret)
+ {
+ HCRYPTHASH hash;
+
+ ret = CryptCreateHash(hCryptProv, algID, 0, 0, &hash);
+ if (ret)
+ {
+ ret = CryptHashData(hash,
+ signedCert->ToBeSigned.pbData,
+ signedCert->ToBeSigned.cbData, 0);
+ if (ret)
+ {
+ ret = CryptVerifySignatureW(hash,
+ signedCert->Signature.pbData,
+ signedCert->Signature.cbData, key, NULL, 0);
+ }
+ CryptDestroyHash(hash);
+ }
+ CryptDestroyKey(key);
+ }
+ }
+ else
+ {
+ SetLastError(NTE_BAD_ALGID);
+ ret = FALSE;
+ }
+ break;
+ }
+ case CRYPT_VERIFY_CERT_SIGN_ISSUER_CERT:
+ case CRYPT_VERIFY_CERT_SIGN_ISSUER_CHAIN:
+ FIXME("issuer type %ld: stub\n", dwIssuerType);
+ ret = FALSE;
+ break;
+ case CRYPT_VERIFY_CERT_SIGN_ISSUER_NULL:
+ if (pvIssuer)
+ {
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ ret = FALSE;
+ }
+ else
+ {
+ FIXME("unimplemented for NULL signer\n");
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ ret = FALSE;
+ }
+ break;
+ default:
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ ret = FALSE;
+ }
+ LocalFree(signedCert);
+ }
+ }
+ return ret;
+}
+
+HCRYPTOIDFUNCSET WINAPI CryptInitOIDFunctionSet(LPCSTR pszFuncName, DWORD dwFlags)
+{
+ FIXME("stub: %s %lx\n", debugstr_a(pszFuncName), dwFlags);
+ return NULL;
+}
+
+BOOL WINAPI CryptUnregisterDefaultOIDFunction(DWORD dwEncodingType,
+ LPCSTR pszFuncName, LPCWSTR pwszDll)
+{
+ FIXME("stub: %lx %s %s\n", dwEncodingType, debugstr_a(pszFuncName), debugstr_w(pwszDll));
+ return FALSE;
+}
--- /dev/null
+/*
+ * Copyright 2002 Mike McCormack for CodeWeavers
+ * Copyright 2005 Juan Lang
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * This file implements ASN.1 DER encoding and decoding of a limited set of
+ * types. It isn't a full ASN.1 implementation. Microsoft implements BER
+ * encoding of many of the basic types in msasn1.dll, but that interface is
+ * undocumented, so I implement them here.
+ *
+ * References:
+ * "A Layman's Guide to a Subset of ASN.1, BER, and DER", by Burton Kaliski
+ * (available online, look for a PDF copy as the HTML versions tend to have
+ * translation errors.)
+ *
+ * RFC3280, http://www.faqs.org/rfcs/rfc3280.html
+ *
+ * MSDN, especially:
+ * http://msdn.microsoft.com/library/en-us/seccrypto/security/constants_for_cryptencodeobject_and_cryptdecodeobject.asp
+ */
+
+#include "precomp.h"
+
+/* This is a bit arbitrary, but to set some limit: */
+#define MAX_ENCODED_LEN 0x02000000
+
+/* a few asn.1 tags we need */
+#define ASN_BOOL (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x01)
+#define ASN_BITSTRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x03)
+#define ASN_OCTETSTRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x04)
+#define ASN_ENUMERATED (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x0a)
+#define ASN_SETOF (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x11)
+#define ASN_NUMERICSTRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x12)
+#define ASN_PRINTABLESTRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x13)
+#define ASN_IA5STRING (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x16)
+#define ASN_UTCTIME (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x17)
+#define ASN_GENERALTIME (ASN_UNIVERSAL | ASN_PRIMITIVE | 0x18)
+
+#define ASN_FLAGS_MASK 0xf0
+#define ASN_TYPE_MASK 0x0f
+
+WINE_DEFAULT_DEBUG_CHANNEL(crypt);
+
+static const WCHAR szDllName[] = { 'D','l','l',0 };
+
+typedef BOOL (WINAPI *CryptEncodeObjectFunc)(DWORD, LPCSTR, const void *,
+ BYTE *, DWORD *);
+typedef BOOL (WINAPI *CryptEncodeObjectExFunc)(DWORD, LPCSTR, const void *,
+ DWORD, PCRYPT_ENCODE_PARA, BYTE *, DWORD *);
+typedef BOOL (WINAPI *CryptDecodeObjectFunc)(DWORD, LPCSTR, const BYTE *,
+ DWORD, DWORD, void *, DWORD *);
+typedef BOOL (WINAPI *CryptDecodeObjectExFunc)(DWORD, LPCSTR, const BYTE *,
+ DWORD, DWORD, PCRYPT_DECODE_PARA, void *, DWORD *);
+
+/* Prototypes for built-in encoders/decoders. They follow the Ex style
+ * prototypes. The dwCertEncodingType and lpszStructType are ignored by the
+ * built-in functions, but the parameters are retained to simplify
+ * CryptEncodeObjectEx/CryptDecodeObjectEx, since they must call functions in
+ * external DLLs that follow these signatures.
+ * FIXME: some built-in functions are suitable to be called directly by
+ * CryptEncodeObjectEx/CryptDecodeObjectEx (they implement exception handling
+ * and memory allocation if requested), others are only suitable to be called
+ * internally. Comment which are which.
+ */
+static BOOL WINAPI CRYPT_AsnEncodeOid(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
+static BOOL WINAPI CRYPT_AsnEncodeExtensions(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
+static BOOL WINAPI CRYPT_AsnEncodeBool(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
+static BOOL WINAPI CRYPT_AsnEncodePubKeyInfo(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
+static BOOL WINAPI CRYPT_AsnEncodeOctets(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
+static BOOL WINAPI CRYPT_AsnEncodeBits(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
+static BOOL WINAPI CRYPT_AsnEncodeBitsSwapBytes(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
+static BOOL WINAPI CRYPT_AsnEncodeInt(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
+static BOOL WINAPI CRYPT_AsnEncodeInteger(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
+static BOOL WINAPI CRYPT_AsnEncodeUnsignedInteger(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
+static BOOL WINAPI CRYPT_AsnEncodeChoiceOfTime(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded);
+
+static BOOL WINAPI CRYPT_AsnDecodeChoiceOfTime(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo);
+static BOOL WINAPI CRYPT_AsnDecodePubKeyInfo(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo);
+/* Like CRYPT_AsnDecodeExtensions, except assumes rgExtension is set ahead of
+ * time, doesn't do memory allocation, and doesn't do exception handling.
+ * (This isn't intended to be the externally-called one.)
+ */
+static BOOL WINAPI CRYPT_AsnDecodeExtensionsInternal(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo);
+static BOOL WINAPI CRYPT_AsnDecodeOid(const BYTE *pbEncoded, DWORD cbEncoded,
+ DWORD dwFlags, LPSTR pszObjId, DWORD *pcbObjId);
+/* Assumes algo->Parameters.pbData is set ahead of time */
+static BOOL WINAPI CRYPT_AsnDecodeAlgorithmId(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo);
+static BOOL WINAPI CRYPT_AsnDecodeBool(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo);
+/* Assumes the CRYPT_DATA_BLOB's pbData member has been initialized */
+static BOOL WINAPI CRYPT_AsnDecodeOctetsInternal(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo);
+/* Like CRYPT_AsnDecodeBits, but assumes the CRYPT_INTEGER_BLOB's pbData
+ * member has been initialized, doesn't do exception handling, and doesn't do
+ * memory allocation.
+ */
+static BOOL WINAPI CRYPT_AsnDecodeBitsInternal(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo);
+static BOOL WINAPI CRYPT_AsnDecodeBits(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo);
+static BOOL WINAPI CRYPT_AsnDecodeInt(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo);
+/* Like CRYPT_AsnDecodeInteger, but assumes the CRYPT_INTEGER_BLOB's pbData
+ * member has been initialized, doesn't do exception handling, and doesn't do
+ * memory allocation.
+ */
+static BOOL WINAPI CRYPT_AsnDecodeIntegerInternal(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo);
+/* Like CRYPT_AsnDecodeInteger, but unsigned. */
+static BOOL WINAPI CRYPT_AsnDecodeUnsignedIntegerInternal(
+ DWORD dwCertEncodingType, LPCSTR lpszStructType, const BYTE *pbEncoded,
+ DWORD cbEncoded, DWORD dwFlags, PCRYPT_DECODE_PARA pDecodePara,
+ void *pvStructInfo, DWORD *pcbStructInfo);
+
+/* filter for page-fault exceptions */
+static WINE_EXCEPTION_FILTER(page_fault)
+{
+ if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
+ return EXCEPTION_EXECUTE_HANDLER;
+ return EXCEPTION_CONTINUE_SEARCH;
+}
+
+static char *CRYPT_GetKeyName(DWORD dwEncodingType, LPCSTR pszFuncName,
+ LPCSTR pszOID)
+{
+ static const char szEncodingTypeFmt[] =
+ "Software\\Microsoft\\Cryptography\\OID\\EncodingType %ld\\%s\\%s";
+ UINT len;
+ char numericOID[7]; /* enough for "#65535" */
+ const char *oid;
+ LPSTR szKey;
+
+ /* MSDN says the encoding type is a mask, but it isn't treated that way.
+ * (E.g., if dwEncodingType were 3, the key names "EncodingType 1" and
+ * "EncodingType 2" would be expected if it were a mask. Instead native
+ * stores values in "EncodingType 3".
+ */
+ if (!HIWORD(pszOID))
+ {
+ snprintf(numericOID, sizeof(numericOID), "#%d", LOWORD(pszOID));
+ oid = numericOID;
+ }
+ else
+ oid = pszOID;
+
+ /* This is enough: the lengths of the two string parameters are explicitly
+ * counted, and we need up to five additional characters for the encoding
+ * type. These are covered by the "%d", "%s", and "%s" characters in the
+ * format specifier that are removed by sprintf.
+ */
+ len = sizeof(szEncodingTypeFmt) + lstrlenA(pszFuncName) + lstrlenA(oid);
+ szKey = CryptMemAlloc(len);
+ if (szKey)
+ sprintf(szKey, szEncodingTypeFmt, dwEncodingType, pszFuncName, oid);
+ return szKey;
+}
+
+BOOL WINAPI CryptRegisterOIDFunction(DWORD dwEncodingType, LPCSTR pszFuncName,
+ LPCSTR pszOID, LPCWSTR pwszDll, LPCSTR pszOverrideFuncName)
+{
+ LONG r;
+ HKEY hKey;
+ LPSTR szKey;
+
+ TRACE("%lx %s %s %s %s\n", dwEncodingType, pszFuncName, pszOID,
+ debugstr_w(pwszDll), pszOverrideFuncName);
+
+ /* This only registers functions for encoding certs, not messages */
+ if (!GET_CERT_ENCODING_TYPE(dwEncodingType))
+ return TRUE;
+
+ /* Native does nothing pwszDll is NULL */
+ if (!pwszDll)
+ return TRUE;
+
+ /* I'm not matching MS bug for bug here, because I doubt any app depends on
+ * it:
+ * - native "succeeds" if pszFuncName is NULL, but the nonsensical entry
+ * it creates would never be used
+ * - native returns an HRESULT rather than a Win32 error if pszOID is NULL.
+ * Instead I disallow both of these with ERROR_INVALID_PARAMETER.
+ */
+ if (!pszFuncName || !pszOID)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ szKey = CRYPT_GetKeyName(dwEncodingType, pszFuncName, pszOID);
+ TRACE("Key name is %s\n", debugstr_a(szKey));
+
+ if (!szKey)
+ return FALSE;
+
+ r = RegCreateKeyA(HKEY_LOCAL_MACHINE, szKey, &hKey);
+ CryptMemFree(szKey);
+ if(r != ERROR_SUCCESS)
+ return FALSE;
+
+ /* write the values */
+ if (pszOverrideFuncName)
+ RegSetValueExA(hKey, "FuncName", 0, REG_SZ, (const BYTE*)pszOverrideFuncName,
+ lstrlenA(pszOverrideFuncName) + 1);
+ RegSetValueExW(hKey, szDllName, 0, REG_SZ, (const BYTE*) pwszDll,
+ (lstrlenW(pwszDll) + 1) * sizeof (WCHAR));
+
+ RegCloseKey(hKey);
+ return TRUE;
+}
+
+BOOL WINAPI CryptUnregisterOIDFunction(DWORD dwEncodingType, LPCSTR pszFuncName,
+ LPCSTR pszOID)
+{
+ LPSTR szKey;
+ LONG rc;
+
+ TRACE("%lx %s %s\n", dwEncodingType, pszFuncName, pszOID);
+
+ if (!GET_CERT_ENCODING_TYPE(dwEncodingType))
+ return TRUE;
+
+ if (!pszFuncName || !pszOID)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ szKey = CRYPT_GetKeyName(dwEncodingType, pszFuncName, pszOID);
+ rc = RegDeleteKeyA(HKEY_LOCAL_MACHINE, szKey);
+ CryptMemFree(szKey);
+ if (rc)
+ SetLastError(rc);
+ return rc ? FALSE : TRUE;
+}
+
+BOOL WINAPI CryptGetOIDFunctionValue(DWORD dwEncodingType, LPCSTR pszFuncName,
+ LPCSTR pszOID, LPCWSTR pwszValueName, DWORD *pdwValueType, BYTE *pbValueData,
+ DWORD *pcbValueData)
+{
+ LPSTR szKey;
+ LONG rc;
+ HKEY hKey;
+
+ TRACE("%lx %s %s %s %p %p %p\n", dwEncodingType, debugstr_a(pszFuncName),
+ debugstr_a(pszOID), debugstr_w(pwszValueName), pdwValueType, pbValueData,
+ pcbValueData);
+
+ if (!GET_CERT_ENCODING_TYPE(dwEncodingType))
+ return TRUE;
+
+ if (!pszFuncName || !pszOID || !pwszValueName)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ szKey = CRYPT_GetKeyName(dwEncodingType, pszFuncName, pszOID);
+ rc = RegOpenKeyA(HKEY_LOCAL_MACHINE, szKey, &hKey);
+ CryptMemFree(szKey);
+ if (rc)
+ SetLastError(rc);
+ else
+ {
+ rc = RegQueryValueExW(hKey, pwszValueName, NULL, pdwValueType,
+ pbValueData, pcbValueData);
+ if (rc)
+ SetLastError(rc);
+ RegCloseKey(hKey);
+ }
+ return rc ? FALSE : TRUE;
+}
+
+BOOL WINAPI CryptSetOIDFunctionValue(DWORD dwEncodingType, LPCSTR pszFuncName,
+ LPCSTR pszOID, LPCWSTR pwszValueName, DWORD dwValueType,
+ const BYTE *pbValueData, DWORD cbValueData)
+{
+ LPSTR szKey;
+ LONG rc;
+ HKEY hKey;
+
+ TRACE("%lx %s %s %s %ld %p %ld\n", dwEncodingType, debugstr_a(pszFuncName),
+ debugstr_a(pszOID), debugstr_w(pwszValueName), dwValueType, pbValueData,
+ cbValueData);
+
+ if (!GET_CERT_ENCODING_TYPE(dwEncodingType))
+ return TRUE;
+
+ if (!pszFuncName || !pszOID || !pwszValueName)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ szKey = CRYPT_GetKeyName(dwEncodingType, pszFuncName, pszOID);
+ rc = RegOpenKeyA(HKEY_LOCAL_MACHINE, szKey, &hKey);
+ CryptMemFree(szKey);
+ if (rc)
+ SetLastError(rc);
+ else
+ {
+ rc = RegSetValueExW(hKey, pwszValueName, 0, dwValueType, pbValueData,
+ cbValueData);
+ if (rc)
+ SetLastError(rc);
+ RegCloseKey(hKey);
+ }
+ return rc ? FALSE : TRUE;
+}
+
+/* Gets the registered function named szFuncName for dwCertEncodingType and
+ * lpszStructType, or NULL if one could not be found. *lib will be set to the
+ * handle of the module it's in, or NULL if no module was loaded. If the
+ * return value is NULL, *lib will also be NULL, to simplify error handling.
+ */
+static void *CRYPT_GetFunc(DWORD dwCertEncodingType, LPCSTR lpszStructType,
+ LPCSTR szFuncName, HMODULE *lib)
+{
+ void *ret = NULL;
+ char *szKey = CRYPT_GetKeyName(dwCertEncodingType, szFuncName,
+ lpszStructType);
+ const char *funcName;
+ long r;
+ HKEY hKey;
+ DWORD type, size = 0;
+
+ TRACE("(%08lx %s %s %p)\n", dwCertEncodingType, debugstr_a(lpszStructType),
+ debugstr_a(szFuncName), lib);
+
+ *lib = NULL;
+ r = RegOpenKeyA(HKEY_LOCAL_MACHINE, szKey, &hKey);
+ CryptMemFree(szKey);
+ if(r != ERROR_SUCCESS)
+ return NULL;
+
+ RegQueryValueExA(hKey, "FuncName", NULL, &type, NULL, &size);
+ if (GetLastError() == ERROR_MORE_DATA && type == REG_SZ)
+ {
+ funcName = CryptMemAlloc(size);
+ RegQueryValueExA(hKey, "FuncName", NULL, &type, (LPBYTE)funcName,
+ &size);
+ }
+ else
+ funcName = szFuncName;
+ RegQueryValueExW(hKey, szDllName, NULL, &type, NULL, &size);
+ if (GetLastError() == ERROR_MORE_DATA && type == REG_SZ)
+ {
+ LPWSTR dllName = CryptMemAlloc(size);
+
+ RegQueryValueExW(hKey, szDllName, NULL, &type, (LPBYTE)dllName,
+ &size);
+ *lib = LoadLibraryW(dllName);
+ if (*lib)
+ {
+ ret = GetProcAddress(*lib, funcName);
+ if (!ret)
+ {
+ /* Unload the library, the caller doesn't want to unload it
+ * when the return value is NULL.
+ */
+ FreeLibrary(*lib);
+ *lib = NULL;
+ }
+ }
+ CryptMemFree(dllName);
+ }
+ if (funcName != szFuncName)
+ CryptMemFree((char *)funcName);
+ TRACE("returning %p\n", ret);
+ return ret;
+}
+
+BOOL WINAPI CryptEncodeObject(DWORD dwCertEncodingType, LPCSTR lpszStructType,
+ const void *pvStructInfo, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret = FALSE;
+ HMODULE lib;
+ CryptEncodeObjectFunc pCryptEncodeObject;
+
+ TRACE("(0x%08lx, %s, %p, %p, %p)\n", dwCertEncodingType,
+ debugstr_a(lpszStructType), pvStructInfo, pbEncoded,
+ pcbEncoded);
+
+ if (!pbEncoded && !pcbEncoded)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ /* Try registered DLL first.. */
+ pCryptEncodeObject =
+ (CryptEncodeObjectFunc)CRYPT_GetFunc(dwCertEncodingType,
+ lpszStructType, CRYPT_OID_ENCODE_OBJECT_FUNC, &lib);
+ if (pCryptEncodeObject)
+ {
+ ret = pCryptEncodeObject(dwCertEncodingType, lpszStructType,
+ pvStructInfo, pbEncoded, pcbEncoded);
+ FreeLibrary(lib);
+ }
+ else
+ {
+ /* If not, use CryptEncodeObjectEx */
+ ret = CryptEncodeObjectEx(dwCertEncodingType, lpszStructType,
+ pvStructInfo, 0, NULL, pbEncoded, pcbEncoded);
+ }
+ return ret;
+}
+
+/* Helper function to check *pcbEncoded, set it to the required size, and
+ * optionally to allocate memory. Assumes pbEncoded is not NULL.
+ * If CRYPT_ENCODE_ALLOC_FLAG is set in dwFlags, *pbEncoded will be set to a
+ * pointer to the newly allocated memory.
+ */
+static BOOL CRYPT_EncodeEnsureSpace(DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded,
+ DWORD bytesNeeded)
+{
+ BOOL ret = TRUE;
+
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG)
+ {
+ if (pEncodePara && pEncodePara->pfnAlloc)
+ *(BYTE **)pbEncoded = pEncodePara->pfnAlloc(bytesNeeded);
+ else
+ *(BYTE **)pbEncoded = LocalAlloc(0, bytesNeeded);
+ if (!*(BYTE **)pbEncoded)
+ ret = FALSE;
+ else
+ *pcbEncoded = bytesNeeded;
+ }
+ else if (bytesNeeded > *pcbEncoded)
+ {
+ *pcbEncoded = bytesNeeded;
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ return ret;
+}
+
+static BOOL CRYPT_EncodeLen(DWORD len, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ DWORD bytesNeeded, significantBytes = 0;
+
+ if (len <= 0x7f)
+ bytesNeeded = 1;
+ else
+ {
+ DWORD temp;
+
+ for (temp = len, significantBytes = sizeof(temp); !(temp & 0xff000000);
+ temp <<= 8, significantBytes--)
+ ;
+ bytesNeeded = significantBytes + 1;
+ }
+ if (!pbEncoded)
+ {
+ *pcbEncoded = bytesNeeded;
+ return TRUE;
+ }
+ if (*pcbEncoded < bytesNeeded)
+ {
+ SetLastError(ERROR_MORE_DATA);
+ return FALSE;
+ }
+ if (len <= 0x7f)
+ *pbEncoded = (BYTE)len;
+ else
+ {
+ DWORD i;
+
+ *pbEncoded++ = significantBytes | 0x80;
+ for (i = 0; i < significantBytes; i++)
+ {
+ *(pbEncoded + significantBytes - i - 1) = (BYTE)(len & 0xff);
+ len >>= 8;
+ }
+ }
+ *pcbEncoded = bytesNeeded;
+ return TRUE;
+}
+
+struct AsnEncodeSequenceItem
+{
+ const void *pvStructInfo;
+ CryptEncodeObjectExFunc encodeFunc;
+ DWORD size; /* used during encoding, not for your use */
+};
+
+static BOOL WINAPI CRYPT_AsnEncodeSequence(DWORD dwCertEncodingType,
+ struct AsnEncodeSequenceItem items[], DWORD cItem, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+ DWORD i, dataLen = 0;
+
+ TRACE("%p, %ld, %08lx, %p, %p, %ld\n", items, cItem, dwFlags, pEncodePara,
+ pbEncoded, *pcbEncoded);
+ for (i = 0, ret = TRUE; ret && i < cItem; i++)
+ {
+ ret = items[i].encodeFunc(dwCertEncodingType, NULL,
+ items[i].pvStructInfo, dwFlags & ~CRYPT_ENCODE_ALLOC_FLAG, NULL,
+ NULL, &items[i].size);
+ dataLen += items[i].size;
+ }
+ if (ret)
+ {
+ DWORD lenBytes, bytesNeeded;
+
+ CRYPT_EncodeLen(dataLen, NULL, &lenBytes);
+ bytesNeeded = 1 + lenBytes + dataLen;
+ if (!pbEncoded)
+ *pcbEncoded = bytesNeeded;
+ else
+ {
+ if ((ret = CRYPT_EncodeEnsureSpace(dwFlags, pEncodePara, pbEncoded,
+ pcbEncoded, bytesNeeded)))
+ {
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG)
+ pbEncoded = *(BYTE **)pbEncoded;
+ *pbEncoded++ = ASN_SEQUENCE;
+ CRYPT_EncodeLen(dataLen, pbEncoded, &lenBytes);
+ pbEncoded += lenBytes;
+ for (i = 0; ret && i < cItem; i++)
+ {
+ ret = items[i].encodeFunc(dwCertEncodingType, NULL,
+ items[i].pvStructInfo, dwFlags & ~CRYPT_ENCODE_ALLOC_FLAG,
+ NULL, pbEncoded, &items[i].size);
+ pbEncoded += items[i].size;
+ }
+ }
+ }
+ }
+ TRACE("returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+struct AsnConstructedItem
+{
+ BYTE tag;
+ const void *pvStructInfo;
+ CryptEncodeObjectExFunc encodeFunc;
+};
+
+static BOOL WINAPI CRYPT_AsnEncodeConstructed(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+ const struct AsnConstructedItem *item =
+ (const struct AsnConstructedItem *)pvStructInfo;
+ DWORD len;
+
+ if ((ret = item->encodeFunc(dwCertEncodingType, lpszStructType,
+ item->pvStructInfo, dwFlags & ~CRYPT_ENCODE_ALLOC_FLAG, NULL, NULL, &len)))
+ {
+ DWORD dataLen, bytesNeeded;
+
+ CRYPT_EncodeLen(len, NULL, &dataLen);
+ bytesNeeded = 1 + dataLen + len;
+ if (!pbEncoded)
+ *pcbEncoded = bytesNeeded;
+ else if ((ret = CRYPT_EncodeEnsureSpace(dwFlags, pEncodePara,
+ pbEncoded, pcbEncoded, bytesNeeded)))
+ {
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG)
+ pbEncoded = *(BYTE **)pbEncoded;
+ *pbEncoded++ = ASN_CONTEXT | ASN_CONSTRUCTOR | item->tag;
+ CRYPT_EncodeLen(len, pbEncoded, &dataLen);
+ pbEncoded += dataLen;
+ ret = item->encodeFunc(dwCertEncodingType, lpszStructType,
+ item->pvStructInfo, dwFlags & ~CRYPT_ENCODE_ALLOC_FLAG, NULL,
+ pbEncoded, &len);
+ }
+ }
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeCertVersion(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ const DWORD *ver = (const DWORD *)pvStructInfo;
+ BOOL ret;
+
+ /* CERT_V1 is not encoded */
+ if (*ver == CERT_V1)
+ {
+ *pcbEncoded = 0;
+ ret = TRUE;
+ }
+ else
+ {
+ struct AsnConstructedItem item = { 0, ver, CRYPT_AsnEncodeInt };
+
+ ret = CRYPT_AsnEncodeConstructed(dwCertEncodingType, X509_INTEGER,
+ &item, dwFlags, pEncodePara, pbEncoded, pcbEncoded);
+ }
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_CopyEncodedBlob(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ const CRYPT_DER_BLOB *blob = (const CRYPT_DER_BLOB *)pvStructInfo;
+ BOOL ret;
+
+ if (!pbEncoded)
+ {
+ *pcbEncoded = blob->cbData;
+ ret = TRUE;
+ }
+ else if (*pcbEncoded < blob->cbData)
+ {
+ *pcbEncoded = blob->cbData;
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ if (blob->cbData)
+ memcpy(pbEncoded, blob->pbData, blob->cbData);
+ *pcbEncoded = blob->cbData;
+ ret = TRUE;
+ }
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeValidity(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+ /* This has two filetimes in a row, a NotBefore and a NotAfter */
+ const FILETIME *timePtr = (const FILETIME *)pvStructInfo;
+ struct AsnEncodeSequenceItem items[] = {
+ { timePtr++, CRYPT_AsnEncodeChoiceOfTime, 0 },
+ { timePtr, CRYPT_AsnEncodeChoiceOfTime, 0 },
+ };
+
+ ret = CRYPT_AsnEncodeSequence(dwCertEncodingType, items,
+ sizeof(items) / sizeof(items[0]), dwFlags, pEncodePara, pbEncoded,
+ pcbEncoded);
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeAlgorithmId(
+ DWORD dwCertEncodingType, LPCSTR lpszStructType, const void *pvStructInfo,
+ DWORD dwFlags, PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded,
+ DWORD *pcbEncoded)
+{
+ const CRYPT_ALGORITHM_IDENTIFIER *algo =
+ (const CRYPT_ALGORITHM_IDENTIFIER *)pvStructInfo;
+ BOOL ret;
+ struct AsnEncodeSequenceItem items[] = {
+ { algo->pszObjId, CRYPT_AsnEncodeOid, 0 },
+ { &algo->Parameters, CRYPT_CopyEncodedBlob, 0 },
+ };
+
+ ret = CRYPT_AsnEncodeSequence(dwCertEncodingType, items,
+ sizeof(items) / sizeof(items[0]), dwFlags, pEncodePara, pbEncoded,
+ pcbEncoded);
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodePubKeyInfo(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ const CERT_PUBLIC_KEY_INFO *info =
+ (const CERT_PUBLIC_KEY_INFO *)pvStructInfo;
+ struct AsnEncodeSequenceItem items[] = {
+ { &info->Algorithm, CRYPT_AsnEncodeAlgorithmId, 0 },
+ { &info->PublicKey, CRYPT_AsnEncodeBits, 0 },
+ };
+
+ TRACE("Encoding public key with OID %s\n",
+ debugstr_a(info->Algorithm.pszObjId));
+ ret = CRYPT_AsnEncodeSequence(dwCertEncodingType, items,
+ sizeof(items) / sizeof(items[0]), dwFlags, pEncodePara, pbEncoded,
+ pcbEncoded);
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeCert(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ const CERT_SIGNED_CONTENT_INFO *info =
+ (const CERT_SIGNED_CONTENT_INFO *)pvStructInfo;
+ struct AsnEncodeSequenceItem items[] = {
+ { &info->ToBeSigned, CRYPT_CopyEncodedBlob, 0 },
+ { &info->SignatureAlgorithm, CRYPT_AsnEncodeAlgorithmId, 0 },
+ { &info->Signature, CRYPT_AsnEncodeBitsSwapBytes, 0 },
+ };
+
+ if (dwFlags & CRYPT_ENCODE_NO_SIGNATURE_BYTE_REVERSAL_FLAG)
+ items[2].encodeFunc = CRYPT_AsnEncodeBits;
+ ret = CRYPT_AsnEncodeSequence(dwCertEncodingType, items,
+ sizeof(items) / sizeof(items[0]), dwFlags, pEncodePara, pbEncoded,
+ pcbEncoded);
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+/* Like in Windows, this blithely ignores the validity of the passed-in
+ * CERT_INFO, and just encodes it as-is. The resulting encoded data may not
+ * decode properly, see CRYPT_AsnDecodeCertInfo.
+ */
+static BOOL WINAPI CRYPT_AsnEncodeCertInfo(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ const CERT_INFO *info = (const CERT_INFO *)pvStructInfo;
+ struct AsnEncodeSequenceItem items[10] = {
+ { &info->dwVersion, CRYPT_AsnEncodeCertVersion, 0 },
+ { &info->SerialNumber, CRYPT_AsnEncodeInteger, 0 },
+ { &info->SignatureAlgorithm, CRYPT_AsnEncodeAlgorithmId, 0 },
+ { &info->Issuer, CRYPT_CopyEncodedBlob, 0 },
+ { &info->NotBefore, CRYPT_AsnEncodeValidity, 0 },
+ { &info->Subject, CRYPT_CopyEncodedBlob, 0 },
+ { &info->SubjectPublicKeyInfo, CRYPT_AsnEncodePubKeyInfo, 0 },
+ { 0 }
+ };
+ struct AsnConstructedItem constructed[3] = { { 0 } };
+ DWORD cItem = 7, cConstructed = 0;
+
+ if (info->IssuerUniqueId.cbData)
+ {
+ constructed[cConstructed].tag = 1;
+ constructed[cConstructed].pvStructInfo = &info->IssuerUniqueId;
+ constructed[cConstructed].encodeFunc = CRYPT_AsnEncodeBits;
+ items[cItem].pvStructInfo = &constructed[cConstructed];
+ items[cItem].encodeFunc = CRYPT_AsnEncodeConstructed;
+ cConstructed++;
+ cItem++;
+ }
+ if (info->SubjectUniqueId.cbData)
+ {
+ constructed[cConstructed].tag = 2;
+ constructed[cConstructed].pvStructInfo = &info->SubjectUniqueId;
+ constructed[cConstructed].encodeFunc = CRYPT_AsnEncodeBits;
+ items[cItem].pvStructInfo = &constructed[cConstructed];
+ items[cItem].encodeFunc = CRYPT_AsnEncodeConstructed;
+ cConstructed++;
+ cItem++;
+ }
+ if (info->cExtension)
+ {
+ constructed[cConstructed].tag = 3;
+ constructed[cConstructed].pvStructInfo = &info->cExtension;
+ constructed[cConstructed].encodeFunc = CRYPT_AsnEncodeExtensions;
+ items[cItem].pvStructInfo = &constructed[cConstructed];
+ items[cItem].encodeFunc = CRYPT_AsnEncodeConstructed;
+ cConstructed++;
+ cItem++;
+ }
+
+ ret = CRYPT_AsnEncodeSequence(dwCertEncodingType, items, cItem,
+ dwFlags, pEncodePara, pbEncoded, pcbEncoded);
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeCRLEntry(const CRL_ENTRY *entry,
+ BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ struct AsnEncodeSequenceItem items[3] = {
+ { &entry->SerialNumber, CRYPT_AsnEncodeInteger, 0 },
+ { &entry->RevocationDate, CRYPT_AsnEncodeChoiceOfTime, 0 },
+ { 0 }
+ };
+ DWORD cItem = 2;
+ BOOL ret;
+
+ TRACE("%p, %p, %p\n", entry, pbEncoded, pcbEncoded);
+
+ if (entry->cExtension)
+ {
+ items[cItem].pvStructInfo = &entry->cExtension;
+ items[cItem].encodeFunc = CRYPT_AsnEncodeExtensions;
+ cItem++;
+ }
+
+ ret = CRYPT_AsnEncodeSequence(X509_ASN_ENCODING, items, cItem, 0, NULL,
+ pbEncoded, pcbEncoded);
+
+ TRACE("returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeCRLEntries(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ DWORD cCRLEntry = *(const DWORD *)pvStructInfo;
+ DWORD bytesNeeded, dataLen, lenBytes, i;
+ const CRL_ENTRY *rgCRLEntry = *(const CRL_ENTRY **)
+ ((const BYTE *)pvStructInfo + sizeof(DWORD));
+ BOOL ret = TRUE;
+
+ for (i = 0, dataLen = 0; ret && i < cCRLEntry; i++)
+ {
+ DWORD size;
+
+ ret = CRYPT_AsnEncodeCRLEntry(&rgCRLEntry[i], NULL, &size);
+ if (ret)
+ dataLen += size;
+ }
+ CRYPT_EncodeLen(dataLen, NULL, &lenBytes);
+ bytesNeeded = 1 + lenBytes + dataLen;
+ if (!pbEncoded)
+ *pcbEncoded = bytesNeeded;
+ else
+ {
+ if ((ret = CRYPT_EncodeEnsureSpace(dwFlags, pEncodePara, pbEncoded,
+ pcbEncoded, bytesNeeded)))
+ {
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG)
+ pbEncoded = *(BYTE **)pbEncoded;
+ *pbEncoded++ = ASN_SEQUENCEOF;
+ CRYPT_EncodeLen(dataLen, pbEncoded, &lenBytes);
+ pbEncoded += lenBytes;
+ for (i = 0; i < cCRLEntry; i++)
+ {
+ DWORD size = dataLen;
+
+ ret = CRYPT_AsnEncodeCRLEntry(&rgCRLEntry[i], pbEncoded, &size);
+ pbEncoded += size;
+ dataLen -= size;
+ }
+ }
+ }
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeCRLVersion(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ const DWORD *ver = (const DWORD *)pvStructInfo;
+ BOOL ret;
+
+ /* CRL_V1 is not encoded */
+ if (*ver == CRL_V1)
+ {
+ *pcbEncoded = 0;
+ ret = TRUE;
+ }
+ else
+ ret = CRYPT_AsnEncodeInt(dwCertEncodingType, X509_INTEGER, ver,
+ dwFlags, pEncodePara, pbEncoded, pcbEncoded);
+ return ret;
+}
+
+/* Like in Windows, this blithely ignores the validity of the passed-in
+ * CRL_INFO, and just encodes it as-is. The resulting encoded data may not
+ * decode properly, see CRYPT_AsnDecodeCRLInfo.
+ */
+static BOOL WINAPI CRYPT_AsnEncodeCRLInfo(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ const CRL_INFO *info = (const CRL_INFO *)pvStructInfo;
+ struct AsnEncodeSequenceItem items[7] = {
+ { &info->dwVersion, CRYPT_AsnEncodeCRLVersion, 0 },
+ { &info->SignatureAlgorithm, CRYPT_AsnEncodeAlgorithmId, 0 },
+ { &info->Issuer, CRYPT_CopyEncodedBlob, 0 },
+ { &info->ThisUpdate, CRYPT_AsnEncodeChoiceOfTime, 0 },
+ { 0 }
+ };
+ DWORD cItem = 4;
+
+ if (info->NextUpdate.dwLowDateTime || info->NextUpdate.dwHighDateTime)
+ {
+ items[cItem].pvStructInfo = &info->NextUpdate;
+ items[cItem].encodeFunc = CRYPT_AsnEncodeChoiceOfTime;
+ cItem++;
+ }
+ if (info->cCRLEntry)
+ {
+ items[cItem].pvStructInfo = &info->cCRLEntry;
+ items[cItem].encodeFunc = CRYPT_AsnEncodeCRLEntries;
+ cItem++;
+ }
+ if (info->cExtension)
+ {
+ items[cItem].pvStructInfo = &info->cExtension;
+ items[cItem].encodeFunc = CRYPT_AsnEncodeExtensions;
+ cItem++;
+ }
+
+ ret = CRYPT_AsnEncodeSequence(dwCertEncodingType, items, cItem,
+ dwFlags, pEncodePara, pbEncoded, pcbEncoded);
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL CRYPT_AsnEncodeExtension(CERT_EXTENSION *ext, BYTE *pbEncoded,
+ DWORD *pcbEncoded)
+{
+ BOOL ret;
+ struct AsnEncodeSequenceItem items[3] = {
+ { ext->pszObjId, CRYPT_AsnEncodeOid, 0 },
+ { NULL, NULL, 0 },
+ { NULL, NULL, 0 },
+ };
+ DWORD cItem = 1;
+
+ TRACE("%p, %p, %ld\n", ext, pbEncoded, *pcbEncoded);
+
+ if (ext->fCritical)
+ {
+ items[cItem].pvStructInfo = &ext->fCritical;
+ items[cItem].encodeFunc = CRYPT_AsnEncodeBool;
+ cItem++;
+ }
+ items[cItem].pvStructInfo = &ext->Value;
+ items[cItem].encodeFunc = CRYPT_AsnEncodeOctets;
+ cItem++;
+
+ ret = CRYPT_AsnEncodeSequence(X509_ASN_ENCODING, items, cItem, 0, NULL,
+ pbEncoded, pcbEncoded);
+ TRACE("returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeExtensions(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ DWORD bytesNeeded, dataLen, lenBytes, i;
+ const CERT_EXTENSIONS *exts = (const CERT_EXTENSIONS *)pvStructInfo;
+
+ ret = TRUE;
+ for (i = 0, dataLen = 0; ret && i < exts->cExtension; i++)
+ {
+ DWORD size;
+
+ ret = CRYPT_AsnEncodeExtension(&exts->rgExtension[i], NULL, &size);
+ if (ret)
+ dataLen += size;
+ }
+ CRYPT_EncodeLen(dataLen, NULL, &lenBytes);
+ bytesNeeded = 1 + lenBytes + dataLen;
+ if (!pbEncoded)
+ *pcbEncoded = bytesNeeded;
+ else
+ {
+ if ((ret = CRYPT_EncodeEnsureSpace(dwFlags, pEncodePara, pbEncoded,
+ pcbEncoded, bytesNeeded)))
+ {
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG)
+ pbEncoded = *(BYTE **)pbEncoded;
+ *pbEncoded++ = ASN_SEQUENCEOF;
+ CRYPT_EncodeLen(dataLen, pbEncoded, &lenBytes);
+ pbEncoded += lenBytes;
+ for (i = 0; i < exts->cExtension; i++)
+ {
+ DWORD size = dataLen;
+
+ ret = CRYPT_AsnEncodeExtension(&exts->rgExtension[i],
+ pbEncoded, &size);
+ pbEncoded += size;
+ dataLen -= size;
+ }
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeOid(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ LPCSTR pszObjId = (LPCSTR)pvStructInfo;
+ DWORD bytesNeeded = 0, lenBytes;
+ BOOL ret = TRUE;
+ int firstPos = 0;
+ BYTE firstByte = 0;
+
+ TRACE("%s\n", debugstr_a(pszObjId));
+
+ if (pszObjId)
+ {
+ const char *ptr;
+ int val1, val2;
+
+ if (sscanf(pszObjId, "%d.%d.%n", &val1, &val2, &firstPos) != 2)
+ {
+ SetLastError(CRYPT_E_ASN1_ERROR);
+ return FALSE;
+ }
+ bytesNeeded++;
+ firstByte = val1 * 40 + val2;
+ ptr = pszObjId + firstPos;
+ while (ret && *ptr)
+ {
+ int pos;
+
+ /* note I assume each component is at most 32-bits long in base 2 */
+ if (sscanf(ptr, "%d%n", &val1, &pos) == 1)
+ {
+ if (val1 >= 0x10000000)
+ bytesNeeded += 5;
+ else if (val1 >= 0x200000)
+ bytesNeeded += 4;
+ else if (val1 >= 0x4000)
+ bytesNeeded += 3;
+ else if (val1 >= 0x80)
+ bytesNeeded += 2;
+ else
+ bytesNeeded += 1;
+ ptr += pos;
+ if (*ptr == '.')
+ ptr++;
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_ERROR);
+ return FALSE;
+ }
+ }
+ CRYPT_EncodeLen(bytesNeeded, NULL, &lenBytes);
+ }
+ else
+ lenBytes = 1;
+ bytesNeeded += 1 + lenBytes;
+ if (pbEncoded)
+ {
+ if (*pcbEncoded < bytesNeeded)
+ {
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ *pbEncoded++ = ASN_OBJECTIDENTIFIER;
+ CRYPT_EncodeLen(bytesNeeded - 1 - lenBytes, pbEncoded, &lenBytes);
+ pbEncoded += lenBytes;
+ if (pszObjId)
+ {
+ const char *ptr;
+ int val, pos;
+
+ *pbEncoded++ = firstByte;
+ ptr = pszObjId + firstPos;
+ while (ret && *ptr)
+ {
+ sscanf(ptr, "%d%n", &val, &pos);
+ {
+ unsigned char outBytes[5];
+ int numBytes, i;
+
+ if (val >= 0x10000000)
+ numBytes = 5;
+ else if (val >= 0x200000)
+ numBytes = 4;
+ else if (val >= 0x4000)
+ numBytes = 3;
+ else if (val >= 0x80)
+ numBytes = 2;
+ else
+ numBytes = 1;
+ for (i = numBytes; i > 0; i--)
+ {
+ outBytes[i - 1] = val & 0x7f;
+ val >>= 7;
+ }
+ for (i = 0; i < numBytes - 1; i++)
+ *pbEncoded++ = outBytes[i] | 0x80;
+ *pbEncoded++ = outBytes[i];
+ ptr += pos;
+ if (*ptr == '.')
+ ptr++;
+ }
+ }
+ }
+ }
+ }
+ *pcbEncoded = bytesNeeded;
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeNameValue(DWORD dwCertEncodingType,
+ CERT_NAME_VALUE *value, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BYTE tag;
+ DWORD bytesNeeded, lenBytes, encodedLen;
+ BOOL ret = TRUE;
+
+ switch (value->dwValueType)
+ {
+ case CERT_RDN_NUMERIC_STRING:
+ tag = ASN_NUMERICSTRING;
+ encodedLen = value->Value.cbData;
+ break;
+ case CERT_RDN_PRINTABLE_STRING:
+ tag = ASN_PRINTABLESTRING;
+ encodedLen = value->Value.cbData;
+ break;
+ case CERT_RDN_IA5_STRING:
+ tag = ASN_IA5STRING;
+ encodedLen = value->Value.cbData;
+ break;
+ case CERT_RDN_ANY_TYPE:
+ /* explicitly disallowed */
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ return FALSE;
+ default:
+ FIXME("String type %ld unimplemented\n", value->dwValueType);
+ return FALSE;
+ }
+ CRYPT_EncodeLen(encodedLen, NULL, &lenBytes);
+ bytesNeeded = 1 + lenBytes + encodedLen;
+ if (pbEncoded)
+ {
+ if (*pcbEncoded < bytesNeeded)
+ {
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ *pbEncoded++ = tag;
+ CRYPT_EncodeLen(encodedLen, pbEncoded, &lenBytes);
+ pbEncoded += lenBytes;
+ switch (value->dwValueType)
+ {
+ case CERT_RDN_NUMERIC_STRING:
+ case CERT_RDN_PRINTABLE_STRING:
+ case CERT_RDN_IA5_STRING:
+ memcpy(pbEncoded, value->Value.pbData, value->Value.cbData);
+ }
+ }
+ }
+ *pcbEncoded = bytesNeeded;
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeRdnAttr(DWORD dwCertEncodingType,
+ CERT_RDN_ATTR *attr, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ DWORD bytesNeeded = 0, lenBytes, size;
+ BOOL ret;
+
+ ret = CRYPT_AsnEncodeOid(dwCertEncodingType, NULL, attr->pszObjId,
+ 0, NULL, NULL, &size);
+ if (ret)
+ {
+ bytesNeeded += size;
+ /* hack: a CERT_RDN_ATTR is identical to a CERT_NAME_VALUE beginning
+ * with dwValueType, so "cast" it to get its encoded size
+ */
+ ret = CRYPT_AsnEncodeNameValue(dwCertEncodingType,
+ (CERT_NAME_VALUE *)&attr->dwValueType, NULL, &size);
+ if (ret)
+ {
+ bytesNeeded += size;
+ CRYPT_EncodeLen(bytesNeeded, NULL, &lenBytes);
+ bytesNeeded += 1 + lenBytes;
+ if (pbEncoded)
+ {
+ if (*pcbEncoded < bytesNeeded)
+ {
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ *pbEncoded++ = ASN_CONSTRUCTOR | ASN_SEQUENCE;
+ CRYPT_EncodeLen(bytesNeeded - lenBytes - 1, pbEncoded,
+ &lenBytes);
+ pbEncoded += lenBytes;
+ size = bytesNeeded - 1 - lenBytes;
+ ret = CRYPT_AsnEncodeOid(dwCertEncodingType, NULL,
+ attr->pszObjId, 0, NULL, pbEncoded, &size);
+ if (ret)
+ {
+ pbEncoded += size;
+ size = bytesNeeded - 1 - lenBytes - size;
+ ret = CRYPT_AsnEncodeNameValue(dwCertEncodingType,
+ (CERT_NAME_VALUE *)&attr->dwValueType, pbEncoded,
+ &size);
+ }
+ }
+ }
+ *pcbEncoded = bytesNeeded;
+ }
+ }
+ return ret;
+}
+
+static int BLOBComp(const void *l, const void *r)
+{
+ CRYPT_DER_BLOB *a = (CRYPT_DER_BLOB *)l, *b = (CRYPT_DER_BLOB *)r;
+ int ret;
+
+ if (!(ret = memcmp(a->pbData, b->pbData, min(a->cbData, b->cbData))))
+ ret = a->cbData - b->cbData;
+ return ret;
+}
+
+/* This encodes as a SET OF, which in DER must be lexicographically sorted.
+ */
+static BOOL WINAPI CRYPT_AsnEncodeRdn(DWORD dwCertEncodingType, CERT_RDN *rdn,
+ BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+ CRYPT_DER_BLOB *blobs = NULL;
+
+ _SEH_TRY
+ {
+ DWORD bytesNeeded = 0, lenBytes, i;
+
+ blobs = NULL;
+ ret = TRUE;
+ if (rdn->cRDNAttr)
+ {
+ blobs = CryptMemAlloc(rdn->cRDNAttr * sizeof(CRYPT_DER_BLOB));
+ if (!blobs)
+ ret = FALSE;
+ else
+ memset(blobs, 0, rdn->cRDNAttr * sizeof(CRYPT_DER_BLOB));
+ }
+ for (i = 0; ret && i < rdn->cRDNAttr; i++)
+ {
+ ret = CRYPT_AsnEncodeRdnAttr(dwCertEncodingType, &rdn->rgRDNAttr[i],
+ NULL, &blobs[i].cbData);
+ if (ret)
+ bytesNeeded += blobs[i].cbData;
+ }
+ if (ret)
+ {
+ CRYPT_EncodeLen(bytesNeeded, NULL, &lenBytes);
+ bytesNeeded += 1 + lenBytes;
+ if (pbEncoded)
+ {
+ if (*pcbEncoded < bytesNeeded)
+ {
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ for (i = 0; ret && i < rdn->cRDNAttr; i++)
+ {
+ blobs[i].pbData = CryptMemAlloc(blobs[i].cbData);
+ if (!blobs[i].pbData)
+ ret = FALSE;
+ else
+ ret = CRYPT_AsnEncodeRdnAttr(dwCertEncodingType,
+ &rdn->rgRDNAttr[i], blobs[i].pbData,
+ &blobs[i].cbData);
+ }
+ if (ret)
+ {
+ qsort(blobs, rdn->cRDNAttr, sizeof(CRYPT_DER_BLOB),
+ BLOBComp);
+ *pbEncoded++ = ASN_CONSTRUCTOR | ASN_SETOF;
+ CRYPT_EncodeLen(bytesNeeded - lenBytes - 1, pbEncoded,
+ &lenBytes);
+ pbEncoded += lenBytes;
+ for (i = 0; ret && i < rdn->cRDNAttr; i++)
+ {
+ memcpy(pbEncoded, blobs[i].pbData, blobs[i].cbData);
+ pbEncoded += blobs[i].cbData;
+ }
+ }
+ }
+ }
+ *pcbEncoded = bytesNeeded;
+ }
+ if (blobs)
+ {
+ for (i = 0; i < rdn->cRDNAttr; i++)
+ CryptMemFree(blobs[i].pbData);
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ return FALSE;
+ }
+ _SEH_END
+ CryptMemFree(blobs);
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeName(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ const CERT_NAME_INFO *info = (const CERT_NAME_INFO *)pvStructInfo;
+ DWORD bytesNeeded = 0, lenBytes, size, i;
+
+ TRACE("encoding name with %ld RDNs\n", info->cRDN);
+ ret = TRUE;
+ for (i = 0; ret && i < info->cRDN; i++)
+ {
+ ret = CRYPT_AsnEncodeRdn(dwCertEncodingType, &info->rgRDN[i], NULL,
+ &size);
+ if (ret)
+ bytesNeeded += size;
+ }
+ CRYPT_EncodeLen(bytesNeeded, NULL, &lenBytes);
+ bytesNeeded += 1 + lenBytes;
+ if (ret)
+ {
+ if (!pbEncoded)
+ *pcbEncoded = bytesNeeded;
+ else
+ {
+ if ((ret = CRYPT_EncodeEnsureSpace(dwFlags, pEncodePara,
+ pbEncoded, pcbEncoded, bytesNeeded)))
+ {
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG)
+ pbEncoded = *(BYTE **)pbEncoded;
+ *pbEncoded++ = ASN_SEQUENCEOF;
+ CRYPT_EncodeLen(bytesNeeded - lenBytes - 1, pbEncoded,
+ &lenBytes);
+ pbEncoded += lenBytes;
+ for (i = 0; ret && i < info->cRDN; i++)
+ {
+ size = bytesNeeded;
+ ret = CRYPT_AsnEncodeRdn(dwCertEncodingType,
+ &info->rgRDN[i], pbEncoded, &size);
+ if (ret)
+ {
+ pbEncoded += size;
+ bytesNeeded -= size;
+ }
+ }
+ }
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeBool(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL val = *(const BOOL *)pvStructInfo, ret;
+
+ TRACE("%d\n", val);
+
+ if (!pbEncoded)
+ {
+ *pcbEncoded = 3;
+ ret = TRUE;
+ }
+ else if (*pcbEncoded < 3)
+ {
+ *pcbEncoded = 3;
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ *pcbEncoded = 3;
+ *pbEncoded++ = ASN_BOOL;
+ *pbEncoded++ = 1;
+ *pbEncoded++ = val ? 0xff : 0;
+ ret = TRUE;
+ }
+ TRACE("returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+static BOOL CRYPT_AsnEncodeAltNameEntry(const CERT_ALT_NAME_ENTRY *entry,
+ BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+ DWORD dataLen;
+
+ ret = TRUE;
+ switch (entry->dwAltNameChoice)
+ {
+ case CERT_ALT_NAME_RFC822_NAME:
+ case CERT_ALT_NAME_DNS_NAME:
+ case CERT_ALT_NAME_URL:
+ if (entry->u.pwszURL)
+ {
+ DWORD i;
+
+ /* Not + 1: don't encode the NULL-terminator */
+ dataLen = lstrlenW(entry->u.pwszURL);
+ for (i = 0; ret && i < dataLen; i++)
+ {
+ if (entry->u.pwszURL[i] > 0x7f)
+ {
+ SetLastError(CRYPT_E_INVALID_IA5_STRING);
+ ret = FALSE;
+ *pcbEncoded = i;
+ }
+ }
+ }
+ else
+ dataLen = 0;
+ break;
+ case CERT_ALT_NAME_IP_ADDRESS:
+ dataLen = entry->u.IPAddress.cbData;
+ break;
+ case CERT_ALT_NAME_REGISTERED_ID:
+ /* FIXME: encode OID */
+ case CERT_ALT_NAME_OTHER_NAME:
+ case CERT_ALT_NAME_DIRECTORY_NAME:
+ FIXME("name type %ld unimplemented\n", entry->dwAltNameChoice);
+ return FALSE;
+ default:
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ return FALSE;
+ }
+ if (ret)
+ {
+ DWORD bytesNeeded, lenBytes;
+
+ CRYPT_EncodeLen(dataLen, NULL, &lenBytes);
+ bytesNeeded = 1 + dataLen + lenBytes;
+ if (!pbEncoded)
+ *pcbEncoded = bytesNeeded;
+ else if (*pcbEncoded < bytesNeeded)
+ {
+ SetLastError(ERROR_MORE_DATA);
+ *pcbEncoded = bytesNeeded;
+ ret = FALSE;
+ }
+ else
+ {
+ *pbEncoded++ = ASN_CONTEXT | (entry->dwAltNameChoice - 1);
+ CRYPT_EncodeLen(dataLen, pbEncoded, &lenBytes);
+ pbEncoded += lenBytes;
+ switch (entry->dwAltNameChoice)
+ {
+ case CERT_ALT_NAME_RFC822_NAME:
+ case CERT_ALT_NAME_DNS_NAME:
+ case CERT_ALT_NAME_URL:
+ {
+ DWORD i;
+
+ for (i = 0; i < dataLen; i++)
+ *pbEncoded++ = (BYTE)entry->u.pwszURL[i];
+ break;
+ }
+ case CERT_ALT_NAME_IP_ADDRESS:
+ memcpy(pbEncoded, entry->u.IPAddress.pbData, dataLen);
+ break;
+ }
+ if (ret)
+ *pcbEncoded = bytesNeeded;
+ }
+ }
+ TRACE("returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeAltName(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ const CERT_ALT_NAME_INFO *info =
+ (const CERT_ALT_NAME_INFO *)pvStructInfo;
+
+ DWORD bytesNeeded, dataLen, lenBytes, i;
+
+ ret = TRUE;
+ /* FIXME: should check that cAltEntry is not bigger than 0xff, since we
+ * can't encode an erroneous entry index if it's bigger than this.
+ */
+ for (i = 0, dataLen = 0; ret && i < info->cAltEntry; i++)
+ {
+ DWORD len;
+
+ ret = CRYPT_AsnEncodeAltNameEntry(&info->rgAltEntry[i], NULL,
+ &len);
+ if (ret)
+ dataLen += len;
+ else if (GetLastError() == CRYPT_E_INVALID_IA5_STRING)
+ {
+ /* CRYPT_AsnEncodeAltNameEntry encoded the index of
+ * the bad character, now set the index of the bad
+ * entry
+ */
+ *pcbEncoded = (BYTE)i <<
+ CERT_ALT_NAME_ENTRY_ERR_INDEX_SHIFT | len;
+ }
+ }
+ if (ret)
+ {
+ CRYPT_EncodeLen(dataLen, NULL, &lenBytes);
+ bytesNeeded = 1 + lenBytes + dataLen;
+ if (!pbEncoded)
+ {
+ *pcbEncoded = bytesNeeded;
+ ret = TRUE;
+ }
+ else
+ {
+ if ((ret = CRYPT_EncodeEnsureSpace(dwFlags, pEncodePara,
+ pbEncoded, pcbEncoded, bytesNeeded)))
+ {
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG)
+ pbEncoded = *(BYTE **)pbEncoded;
+ *pbEncoded++ = ASN_SEQUENCEOF;
+ CRYPT_EncodeLen(dataLen, pbEncoded, &lenBytes);
+ pbEncoded += lenBytes;
+ for (i = 0; ret && i < info->cAltEntry; i++)
+ {
+ DWORD len = dataLen;
+
+ ret = CRYPT_AsnEncodeAltNameEntry(&info->rgAltEntry[i],
+ pbEncoded, &len);
+ if (ret)
+ {
+ pbEncoded += len;
+ dataLen -= len;
+ }
+ }
+ }
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeBasicConstraints2(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ const CERT_BASIC_CONSTRAINTS2_INFO *info =
+ (const CERT_BASIC_CONSTRAINTS2_INFO *)pvStructInfo;
+ struct AsnEncodeSequenceItem items[2] = { { 0 } };
+ DWORD cItem = 0;
+
+ if (info->fCA)
+ {
+ items[cItem].pvStructInfo = &info->fCA;
+ items[cItem].encodeFunc = CRYPT_AsnEncodeBool;
+ cItem++;
+ }
+ if (info->fPathLenConstraint)
+ {
+ items[cItem].pvStructInfo = &info->dwPathLenConstraint;
+ items[cItem].encodeFunc = CRYPT_AsnEncodeInt;
+ cItem++;
+ }
+ ret = CRYPT_AsnEncodeSequence(dwCertEncodingType, items, cItem,
+ dwFlags, pEncodePara, pbEncoded, pcbEncoded);
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeRsaPubKey(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ const BLOBHEADER *hdr =
+ (const BLOBHEADER *)pvStructInfo;
+
+ if (hdr->bType != PUBLICKEYBLOB)
+ {
+ SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
+ ret = FALSE;
+ }
+ else
+ {
+ const RSAPUBKEY *rsaPubKey = (const RSAPUBKEY *)
+ ((const BYTE *)pvStructInfo + sizeof(BLOBHEADER));
+ CRYPT_INTEGER_BLOB blob = { rsaPubKey->bitlen / 8,
+ (BYTE *)pvStructInfo + sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) };
+ struct AsnEncodeSequenceItem items[] = {
+ { &blob, CRYPT_AsnEncodeUnsignedInteger, 0 },
+ { &rsaPubKey->pubexp, CRYPT_AsnEncodeInt, 0 },
+ };
+
+ ret = CRYPT_AsnEncodeSequence(dwCertEncodingType, items,
+ sizeof(items) / sizeof(items[0]), dwFlags, pEncodePara, pbEncoded,
+ pcbEncoded);
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeOctets(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ const CRYPT_DATA_BLOB *blob = (const CRYPT_DATA_BLOB *)pvStructInfo;
+ DWORD bytesNeeded, lenBytes;
+
+ TRACE("(%ld, %p), %08lx, %p, %p, %ld\n", blob->cbData, blob->pbData,
+ dwFlags, pEncodePara, pbEncoded, *pcbEncoded);
+
+ CRYPT_EncodeLen(blob->cbData, NULL, &lenBytes);
+ bytesNeeded = 1 + lenBytes + blob->cbData;
+ if (!pbEncoded)
+ {
+ *pcbEncoded = bytesNeeded;
+ ret = TRUE;
+ }
+ else
+ {
+ if ((ret = CRYPT_EncodeEnsureSpace(dwFlags, pEncodePara, pbEncoded,
+ pcbEncoded, bytesNeeded)))
+ {
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG)
+ pbEncoded = *(BYTE **)pbEncoded;
+ *pbEncoded++ = ASN_OCTETSTRING;
+ CRYPT_EncodeLen(blob->cbData, pbEncoded, &lenBytes);
+ pbEncoded += lenBytes;
+ if (blob->cbData)
+ memcpy(pbEncoded, blob->pbData, blob->cbData);
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ TRACE("returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeBits(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ const CRYPT_BIT_BLOB *blob = (const CRYPT_BIT_BLOB *)pvStructInfo;
+ DWORD bytesNeeded, lenBytes, dataBytes;
+ BYTE unusedBits;
+
+ /* yep, MS allows cUnusedBits to be >= 8 */
+ if (!blob->cUnusedBits)
+ {
+ dataBytes = blob->cbData;
+ unusedBits = 0;
+ }
+ else if (blob->cbData * 8 > blob->cUnusedBits)
+ {
+ dataBytes = (blob->cbData * 8 - blob->cUnusedBits) / 8 + 1;
+ unusedBits = blob->cUnusedBits >= 8 ? blob->cUnusedBits / 8 :
+ blob->cUnusedBits;
+ }
+ else
+ {
+ dataBytes = 0;
+ unusedBits = 0;
+ }
+ CRYPT_EncodeLen(dataBytes + 1, NULL, &lenBytes);
+ bytesNeeded = 1 + lenBytes + dataBytes + 1;
+ if (!pbEncoded)
+ {
+ *pcbEncoded = bytesNeeded;
+ ret = TRUE;
+ }
+ else
+ {
+ if ((ret = CRYPT_EncodeEnsureSpace(dwFlags, pEncodePara, pbEncoded,
+ pcbEncoded, bytesNeeded)))
+ {
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG)
+ pbEncoded = *(BYTE **)pbEncoded;
+ *pbEncoded++ = ASN_BITSTRING;
+ CRYPT_EncodeLen(dataBytes + 1, pbEncoded, &lenBytes);
+ pbEncoded += lenBytes;
+ *pbEncoded++ = unusedBits;
+ if (dataBytes)
+ {
+ BYTE mask = 0xff << unusedBits;
+
+ if (dataBytes > 1)
+ {
+ memcpy(pbEncoded, blob->pbData, dataBytes - 1);
+ pbEncoded += dataBytes - 1;
+ }
+ *pbEncoded = *(blob->pbData + dataBytes - 1) & mask;
+ }
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeBitsSwapBytes(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ const CRYPT_BIT_BLOB *blob = (const CRYPT_BIT_BLOB *)pvStructInfo;
+ CRYPT_BIT_BLOB newBlob = { blob->cbData, NULL, blob->cUnusedBits };
+
+ ret = TRUE;
+ if (newBlob.cbData)
+ {
+ newBlob.pbData = CryptMemAlloc(newBlob.cbData);
+ if (newBlob.pbData)
+ {
+ DWORD i;
+
+ for (i = 0; i < newBlob.cbData; i++)
+ newBlob.pbData[newBlob.cbData - i - 1] = blob->pbData[i];
+ }
+ else
+ ret = FALSE;
+ }
+ if (ret)
+ ret = CRYPT_AsnEncodeBits(dwCertEncodingType, lpszStructType,
+ &newBlob, dwFlags, pEncodePara, pbEncoded, pcbEncoded);
+ CryptMemFree(newBlob.pbData);
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeInt(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ CRYPT_INTEGER_BLOB blob = { sizeof(INT), (BYTE *)pvStructInfo };
+
+ return CRYPT_AsnEncodeInteger(dwCertEncodingType, X509_MULTI_BYTE_INTEGER,
+ &blob, dwFlags, pEncodePara, pbEncoded, pcbEncoded);
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeInteger(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ DWORD significantBytes, lenBytes;
+ BYTE padByte = 0, bytesNeeded;
+ BOOL pad = FALSE;
+ const CRYPT_INTEGER_BLOB *blob =
+ (const CRYPT_INTEGER_BLOB *)pvStructInfo;
+
+ significantBytes = blob->cbData;
+ if (significantBytes)
+ {
+ if (blob->pbData[significantBytes - 1] & 0x80)
+ {
+ /* negative, lop off leading (little-endian) 0xffs */
+ for (; significantBytes > 0 &&
+ blob->pbData[significantBytes - 1] == 0xff; significantBytes--)
+ ;
+ if (blob->pbData[significantBytes - 1] < 0x80)
+ {
+ padByte = 0xff;
+ pad = TRUE;
+ }
+ }
+ else
+ {
+ /* positive, lop off leading (little-endian) zeroes */
+ for (; significantBytes > 0 &&
+ !blob->pbData[significantBytes - 1]; significantBytes--)
+ ;
+ if (significantBytes == 0)
+ significantBytes = 1;
+ if (blob->pbData[significantBytes - 1] > 0x7f)
+ {
+ padByte = 0;
+ pad = TRUE;
+ }
+ }
+ }
+ if (pad)
+ CRYPT_EncodeLen(significantBytes + 1, NULL, &lenBytes);
+ else
+ CRYPT_EncodeLen(significantBytes, NULL, &lenBytes);
+ bytesNeeded = 1 + lenBytes + significantBytes;
+ if (pad)
+ bytesNeeded++;
+ if (!pbEncoded)
+ {
+ *pcbEncoded = bytesNeeded;
+ ret = TRUE;
+ }
+ else
+ {
+ if ((ret = CRYPT_EncodeEnsureSpace(dwFlags, pEncodePara, pbEncoded,
+ pcbEncoded, bytesNeeded)))
+ {
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG)
+ pbEncoded = *(BYTE **)pbEncoded;
+ *pbEncoded++ = ASN_INTEGER;
+ if (pad)
+ {
+ CRYPT_EncodeLen(significantBytes + 1, pbEncoded, &lenBytes);
+ pbEncoded += lenBytes;
+ *pbEncoded++ = padByte;
+ }
+ else
+ {
+ CRYPT_EncodeLen(significantBytes, pbEncoded, &lenBytes);
+ pbEncoded += lenBytes;
+ }
+ for (; significantBytes > 0; significantBytes--)
+ *(pbEncoded++) = blob->pbData[significantBytes - 1];
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeUnsignedInteger(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ DWORD significantBytes, lenBytes;
+ BYTE bytesNeeded;
+ BOOL pad = FALSE;
+ const CRYPT_INTEGER_BLOB *blob =
+ (const CRYPT_INTEGER_BLOB *)pvStructInfo;
+
+ significantBytes = blob->cbData;
+ if (significantBytes)
+ {
+ /* positive, lop off leading (little-endian) zeroes */
+ for (; significantBytes > 0 && !blob->pbData[significantBytes - 1];
+ significantBytes--)
+ ;
+ if (significantBytes == 0)
+ significantBytes = 1;
+ if (blob->pbData[significantBytes - 1] > 0x7f)
+ pad = TRUE;
+ }
+ if (pad)
+ CRYPT_EncodeLen(significantBytes + 1, NULL, &lenBytes);
+ else
+ CRYPT_EncodeLen(significantBytes, NULL, &lenBytes);
+ bytesNeeded = 1 + lenBytes + significantBytes;
+ if (pad)
+ bytesNeeded++;
+ if (!pbEncoded)
+ {
+ *pcbEncoded = bytesNeeded;
+ ret = TRUE;
+ }
+ else
+ {
+ if ((ret = CRYPT_EncodeEnsureSpace(dwFlags, pEncodePara, pbEncoded,
+ pcbEncoded, bytesNeeded)))
+ {
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG)
+ pbEncoded = *(BYTE **)pbEncoded;
+ *pbEncoded++ = ASN_INTEGER;
+ if (pad)
+ {
+ CRYPT_EncodeLen(significantBytes + 1, pbEncoded, &lenBytes);
+ pbEncoded += lenBytes;
+ *pbEncoded++ = 0;
+ }
+ else
+ {
+ CRYPT_EncodeLen(significantBytes, pbEncoded, &lenBytes);
+ pbEncoded += lenBytes;
+ }
+ for (; significantBytes > 0; significantBytes--)
+ *(pbEncoded++) = blob->pbData[significantBytes - 1];
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeEnumerated(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ CRYPT_INTEGER_BLOB blob;
+ BOOL ret;
+
+ /* Encode as an unsigned integer, then change the tag to enumerated */
+ blob.cbData = sizeof(DWORD);
+ blob.pbData = (BYTE *)pvStructInfo;
+ ret = CRYPT_AsnEncodeUnsignedInteger(dwCertEncodingType,
+ X509_MULTI_BYTE_UINT, &blob, dwFlags, pEncodePara, pbEncoded, pcbEncoded);
+ if (ret && pbEncoded)
+ {
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG)
+ pbEncoded = *(BYTE **)pbEncoded;
+ pbEncoded[0] = ASN_ENUMERATED;
+ }
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeUtcTime(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ SYSTEMTIME sysTime;
+ /* sorry, magic number: enough for tag, len, YYMMDDHHMMSSZ\0. I use a
+ * temporary buffer because the output buffer is not NULL-terminated.
+ */
+ char buf[16];
+ static const DWORD bytesNeeded = sizeof(buf) - 1;
+
+ if (!pbEncoded)
+ {
+ *pcbEncoded = bytesNeeded;
+ ret = TRUE;
+ }
+ else
+ {
+ /* Sanity check the year, this is a two-digit year format */
+ ret = FileTimeToSystemTime((const FILETIME *)pvStructInfo,
+ &sysTime);
+ if (ret && (sysTime.wYear < 1950 || sysTime.wYear > 2050))
+ {
+ SetLastError(CRYPT_E_BAD_ENCODE);
+ ret = FALSE;
+ }
+ if (ret)
+ {
+ if ((ret = CRYPT_EncodeEnsureSpace(dwFlags, pEncodePara,
+ pbEncoded, pcbEncoded, bytesNeeded)))
+ {
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG)
+ pbEncoded = *(BYTE **)pbEncoded;
+ buf[0] = ASN_UTCTIME;
+ buf[1] = bytesNeeded - 2;
+ snprintf(buf + 2, sizeof(buf) - 2,
+ "%02d%02d%02d%02d%02d%02dZ", sysTime.wYear >= 2000 ?
+ sysTime.wYear - 2000 : sysTime.wYear - 1900,
+ sysTime.wDay, sysTime.wMonth, sysTime.wHour,
+ sysTime.wMinute, sysTime.wSecond);
+ memcpy(pbEncoded, buf, bytesNeeded);
+ }
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeGeneralizedTime(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ SYSTEMTIME sysTime;
+ /* sorry, magic number: enough for tag, len, YYYYMMDDHHMMSSZ\0. I use a
+ * temporary buffer because the output buffer is not NULL-terminated.
+ */
+ char buf[18];
+ static const DWORD bytesNeeded = sizeof(buf) - 1;
+
+ if (!pbEncoded)
+ {
+ *pcbEncoded = bytesNeeded;
+ ret = TRUE;
+ }
+ else
+ {
+ ret = FileTimeToSystemTime((const FILETIME *)pvStructInfo,
+ &sysTime);
+ if (ret)
+ ret = CRYPT_EncodeEnsureSpace(dwFlags, pEncodePara, pbEncoded,
+ pcbEncoded, bytesNeeded);
+ if (ret)
+ {
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG)
+ pbEncoded = *(BYTE **)pbEncoded;
+ buf[0] = ASN_GENERALTIME;
+ buf[1] = bytesNeeded - 2;
+ snprintf(buf + 2, sizeof(buf) - 2, "%04d%02d%02d%02d%02d%02dZ",
+ sysTime.wYear, sysTime.wDay, sysTime.wMonth, sysTime.wHour,
+ sysTime.wMinute, sysTime.wSecond);
+ memcpy(pbEncoded, buf, bytesNeeded);
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeChoiceOfTime(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ SYSTEMTIME sysTime;
+
+ /* Check the year, if it's in the UTCTime range call that encode func */
+ if (!FileTimeToSystemTime((const FILETIME *)pvStructInfo, &sysTime))
+ return FALSE;
+ if (sysTime.wYear >= 1950 && sysTime.wYear <= 2050)
+ ret = CRYPT_AsnEncodeUtcTime(dwCertEncodingType, lpszStructType,
+ pvStructInfo, dwFlags, pEncodePara, pbEncoded, pcbEncoded);
+ else
+ ret = CRYPT_AsnEncodeGeneralizedTime(dwCertEncodingType,
+ lpszStructType, pvStructInfo, dwFlags, pEncodePara, pbEncoded,
+ pcbEncoded);
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnEncodeSequenceOfAny(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
+ PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ DWORD bytesNeeded, dataLen, lenBytes, i;
+ const CRYPT_SEQUENCE_OF_ANY *seq =
+ (const CRYPT_SEQUENCE_OF_ANY *)pvStructInfo;
+
+ for (i = 0, dataLen = 0; i < seq->cValue; i++)
+ dataLen += seq->rgValue[i].cbData;
+ CRYPT_EncodeLen(dataLen, NULL, &lenBytes);
+ bytesNeeded = 1 + lenBytes + dataLen;
+ if (!pbEncoded)
+ {
+ *pcbEncoded = bytesNeeded;
+ ret = TRUE;
+ }
+ else
+ {
+ if ((ret = CRYPT_EncodeEnsureSpace(dwFlags, pEncodePara, pbEncoded,
+ pcbEncoded, bytesNeeded)))
+ {
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG)
+ pbEncoded = *(BYTE **)pbEncoded;
+ *pbEncoded++ = ASN_SEQUENCEOF;
+ CRYPT_EncodeLen(dataLen, pbEncoded, &lenBytes);
+ pbEncoded += lenBytes;
+ for (i = 0; i < seq->cValue; i++)
+ {
+ memcpy(pbEncoded, seq->rgValue[i].pbData,
+ seq->rgValue[i].cbData);
+ pbEncoded += seq->rgValue[i].cbData;
+ }
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+BOOL WINAPI CryptEncodeObjectEx(DWORD dwCertEncodingType, LPCSTR lpszStructType,
+ const void *pvStructInfo, DWORD dwFlags, PCRYPT_ENCODE_PARA pEncodePara,
+ void *pvEncoded, DWORD *pcbEncoded)
+{
+ BOOL ret = FALSE;
+ HMODULE lib = NULL;
+ CryptEncodeObjectExFunc encodeFunc = NULL;
+
+ TRACE("(0x%08lx, %s, %p, 0x%08lx, %p, %p, %p)\n", dwCertEncodingType,
+ debugstr_a(lpszStructType), pvStructInfo, dwFlags, pEncodePara,
+ pvEncoded, pcbEncoded);
+
+ if (!pvEncoded && !pcbEncoded)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+ if ((dwCertEncodingType & CERT_ENCODING_TYPE_MASK) != X509_ASN_ENCODING
+ && (dwCertEncodingType & CMSG_ENCODING_TYPE_MASK) != PKCS_7_ASN_ENCODING)
+ {
+ SetLastError(ERROR_FILE_NOT_FOUND);
+ return FALSE;
+ }
+
+ SetLastError(NOERROR);
+ if (dwFlags & CRYPT_ENCODE_ALLOC_FLAG && pvEncoded)
+ *(BYTE **)pvEncoded = NULL;
+ if (!HIWORD(lpszStructType))
+ {
+ switch (LOWORD(lpszStructType))
+ {
+ case (WORD)X509_CERT:
+ encodeFunc = CRYPT_AsnEncodeCert;
+ break;
+ case (WORD)X509_CERT_TO_BE_SIGNED:
+ encodeFunc = CRYPT_AsnEncodeCertInfo;
+ break;
+ case (WORD)X509_CERT_CRL_TO_BE_SIGNED:
+ encodeFunc = CRYPT_AsnEncodeCRLInfo;
+ break;
+ case (WORD)X509_EXTENSIONS:
+ encodeFunc = CRYPT_AsnEncodeExtensions;
+ break;
+ case (WORD)X509_NAME:
+ encodeFunc = CRYPT_AsnEncodeName;
+ break;
+ case (WORD)X509_PUBLIC_KEY_INFO:
+ encodeFunc = CRYPT_AsnEncodePubKeyInfo;
+ break;
+ case (WORD)X509_ALTERNATE_NAME:
+ encodeFunc = CRYPT_AsnEncodeAltName;
+ break;
+ case (WORD)X509_BASIC_CONSTRAINTS2:
+ encodeFunc = CRYPT_AsnEncodeBasicConstraints2;
+ break;
+ case (WORD)RSA_CSP_PUBLICKEYBLOB:
+ encodeFunc = CRYPT_AsnEncodeRsaPubKey;
+ break;
+ case (WORD)X509_OCTET_STRING:
+ encodeFunc = CRYPT_AsnEncodeOctets;
+ break;
+ case (WORD)X509_BITS:
+ case (WORD)X509_KEY_USAGE:
+ encodeFunc = CRYPT_AsnEncodeBits;
+ break;
+ case (WORD)X509_INTEGER:
+ encodeFunc = CRYPT_AsnEncodeInt;
+ break;
+ case (WORD)X509_MULTI_BYTE_INTEGER:
+ encodeFunc = CRYPT_AsnEncodeInteger;
+ break;
+ case (WORD)X509_MULTI_BYTE_UINT:
+ encodeFunc = CRYPT_AsnEncodeUnsignedInteger;
+ break;
+ case (WORD)X509_ENUMERATED:
+ encodeFunc = CRYPT_AsnEncodeEnumerated;
+ break;
+ case (WORD)X509_CHOICE_OF_TIME:
+ encodeFunc = CRYPT_AsnEncodeChoiceOfTime;
+ break;
+ case (WORD)X509_SEQUENCE_OF_ANY:
+ encodeFunc = CRYPT_AsnEncodeSequenceOfAny;
+ break;
+ case (WORD)PKCS_UTC_TIME:
+ encodeFunc = CRYPT_AsnEncodeUtcTime;
+ break;
+ default:
+ FIXME("%d: unimplemented\n", LOWORD(lpszStructType));
+ }
+ }
+ else if (!strcmp(lpszStructType, szOID_CERT_EXTENSIONS))
+ encodeFunc = CRYPT_AsnEncodeExtensions;
+ else if (!strcmp(lpszStructType, szOID_RSA_signingTime))
+ encodeFunc = CRYPT_AsnEncodeUtcTime;
+ else if (!strcmp(lpszStructType, szOID_CRL_REASON_CODE))
+ encodeFunc = CRYPT_AsnEncodeEnumerated;
+ else if (!strcmp(lpszStructType, szOID_KEY_USAGE))
+ encodeFunc = CRYPT_AsnEncodeBits;
+ else if (!strcmp(lpszStructType, szOID_SUBJECT_KEY_IDENTIFIER))
+ encodeFunc = CRYPT_AsnEncodeOctets;
+ else if (!strcmp(lpszStructType, szOID_BASIC_CONSTRAINTS2))
+ encodeFunc = CRYPT_AsnEncodeBasicConstraints2;
+ else if (!strcmp(lpszStructType, szOID_ISSUER_ALT_NAME))
+ encodeFunc = CRYPT_AsnEncodeAltName;
+ else if (!strcmp(lpszStructType, szOID_ISSUER_ALT_NAME2))
+ encodeFunc = CRYPT_AsnEncodeAltName;
+ else if (!strcmp(lpszStructType, szOID_NEXT_UPDATE_LOCATION))
+ encodeFunc = CRYPT_AsnEncodeAltName;
+ else if (!strcmp(lpszStructType, szOID_SUBJECT_ALT_NAME))
+ encodeFunc = CRYPT_AsnEncodeAltName;
+ else if (!strcmp(lpszStructType, szOID_SUBJECT_ALT_NAME2))
+ encodeFunc = CRYPT_AsnEncodeAltName;
+ else
+ TRACE("OID %s not found or unimplemented, looking for DLL\n",
+ debugstr_a(lpszStructType));
+ if (!encodeFunc)
+ encodeFunc = (CryptEncodeObjectExFunc)CRYPT_GetFunc(dwCertEncodingType,
+ lpszStructType, CRYPT_OID_ENCODE_OBJECT_EX_FUNC, &lib);
+ if (encodeFunc)
+ ret = encodeFunc(dwCertEncodingType, lpszStructType, pvStructInfo,
+ dwFlags, pEncodePara, pvEncoded, pcbEncoded);
+ else
+ SetLastError(ERROR_FILE_NOT_FOUND);
+ if (lib)
+ FreeLibrary(lib);
+ return ret;
+}
+
+BOOL WINAPI CryptDecodeObject(DWORD dwCertEncodingType, LPCSTR lpszStructType,
+ const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags, void *pvStructInfo,
+ DWORD *pcbStructInfo)
+{
+ BOOL ret = FALSE;
+ HMODULE lib;
+ CryptDecodeObjectFunc pCryptDecodeObject;
+
+ TRACE("(0x%08lx, %s, %p, %ld, 0x%08lx, %p, %p)\n", dwCertEncodingType,
+ debugstr_a(lpszStructType), pbEncoded, cbEncoded, dwFlags,
+ pvStructInfo, pcbStructInfo);
+
+ if (!pvStructInfo && !pcbStructInfo)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ /* Try registered DLL first.. */
+ pCryptDecodeObject =
+ (CryptDecodeObjectFunc)CRYPT_GetFunc(dwCertEncodingType,
+ lpszStructType, CRYPT_OID_DECODE_OBJECT_FUNC, &lib);
+ if (pCryptDecodeObject)
+ {
+ ret = pCryptDecodeObject(dwCertEncodingType, lpszStructType,
+ pbEncoded, cbEncoded, dwFlags, pvStructInfo, pcbStructInfo);
+ FreeLibrary(lib);
+ }
+ else
+ {
+ /* If not, use CryptDecodeObjectEx */
+ ret = CryptDecodeObjectEx(dwCertEncodingType, lpszStructType, pbEncoded,
+ cbEncoded, dwFlags, NULL, pvStructInfo, pcbStructInfo);
+ }
+ return ret;
+}
+
+/* Gets the number of length bytes from the given (leading) length byte */
+#define GET_LEN_BYTES(b) ((b) <= 0x7f ? 1 : 1 + ((b) & 0x7f))
+
+/* Helper function to get the encoded length of the data starting at pbEncoded,
+ * where pbEncoded[0] is the tag. If the data are too short to contain a
+ * length or if the length is too large for cbEncoded, sets an appropriate
+ * error code and returns FALSE.
+ */
+static BOOL WINAPI CRYPT_GetLen(const BYTE *pbEncoded, DWORD cbEncoded,
+ DWORD *len)
+{
+ BOOL ret;
+
+ if (cbEncoded <= 1)
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ else if (pbEncoded[1] <= 0x7f)
+ {
+ if (pbEncoded[1] + 1 > cbEncoded)
+ {
+ SetLastError(CRYPT_E_ASN1_EOD);
+ ret = FALSE;
+ }
+ else
+ {
+ *len = pbEncoded[1];
+ ret = TRUE;
+ }
+ }
+ else
+ {
+ BYTE lenLen = GET_LEN_BYTES(pbEncoded[1]);
+
+ if (lenLen > sizeof(DWORD) + 1)
+ {
+ SetLastError(CRYPT_E_ASN1_LARGE);
+ ret = FALSE;
+ }
+ else if (lenLen + 2 > cbEncoded)
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ else
+ {
+ DWORD out = 0;
+
+ pbEncoded += 2;
+ while (--lenLen)
+ {
+ out <<= 8;
+ out |= *pbEncoded++;
+ }
+ if (out + lenLen + 1 > cbEncoded)
+ {
+ SetLastError(CRYPT_E_ASN1_EOD);
+ ret = FALSE;
+ }
+ else
+ {
+ *len = out;
+ ret = TRUE;
+ }
+ }
+ }
+ return ret;
+}
+
+/* Helper function to check *pcbStructInfo, set it to the required size, and
+ * optionally to allocate memory. Assumes pvStructInfo is not NULL.
+ * If CRYPT_DECODE_ALLOC_FLAG is set in dwFlags, *pvStructInfo will be set to a
+ * pointer to the newly allocated memory.
+ */
+static BOOL CRYPT_DecodeEnsureSpace(DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo,
+ DWORD bytesNeeded)
+{
+ BOOL ret = TRUE;
+
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ {
+ if (pDecodePara && pDecodePara->pfnAlloc)
+ *(BYTE **)pvStructInfo = pDecodePara->pfnAlloc(bytesNeeded);
+ else
+ *(BYTE **)pvStructInfo = LocalAlloc(0, bytesNeeded);
+ if (!*(BYTE **)pvStructInfo)
+ ret = FALSE;
+ else
+ *pcbStructInfo = bytesNeeded;
+ }
+ else if (*pcbStructInfo < bytesNeeded)
+ {
+ *pcbStructInfo = bytesNeeded;
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ return ret;
+}
+
+/* A few of the members need explanation:
+ * offset:
+ * A sequence is decoded into a struct. The offset member is the
+ * offset of this item within that struct.
+ * decodeFunc:
+ * The decoder function to use. If this is NULL, then the member isn't
+ * decoded, but minSize space is reserved for it.
+ * minSize:
+ * The minimum amount of space occupied after decoding. You must set this.
+ * optional:
+ * If true, and a decoding function fails with CRYPT_E_ASN1_BADTAG, then
+ * minSize space is filled with 0 for this member. (Any other failure
+ * results in CRYPT_AsnDecodeSequence failing.)
+ * hasPointer, pointerOffset, minSize:
+ * If the item has dynamic data, set hasPointer to TRUE, pointerOffset to
+ * the offset within the (outer) struct of the data pointer (or to the
+ * first data pointer, if more than one exist).
+ * size:
+ * Used by CRYPT_AsnDecodeSequence, not for your use.
+ */
+struct AsnDecodeSequenceItem
+{
+ DWORD offset;
+ CryptDecodeObjectExFunc decodeFunc;
+ DWORD minSize;
+ BOOL optional;
+ BOOL hasPointer;
+ DWORD pointerOffset;
+ DWORD size;
+};
+
+/* This decodes an arbitrary sequence into a contiguous block of memory
+ * (basically, a struct.) Each element being decoded is described by a struct
+ * AsnDecodeSequenceItem, see above.
+ * startingPointer is an optional pointer to the first place where dynamic
+ * data will be stored. If you know the starting offset, you may pass it
+ * here. Otherwise, pass NULL, and one will be inferred from the items.
+ * Each item decoder is never called with CRYPT_DECODE_ALLOC_FLAG set.
+ * If any undecoded data are left over, fails with CRYPT_E_ASN1_CORRUPT.
+ */
+static BOOL CRYPT_AsnDecodeSequence(DWORD dwCertEncodingType,
+ struct AsnDecodeSequenceItem items[], DWORD cItem, const BYTE *pbEncoded,
+ DWORD cbEncoded, DWORD dwFlags, PCRYPT_DECODE_PARA pDecodePara,
+ void *pvStructInfo, DWORD *pcbStructInfo, void *startingPointer)
+{
+ BOOL ret;
+
+ TRACE("%p, %ld, %p, %ld, %08lx, %p, %p, %ld, %p\n", items, cItem, pbEncoded,
+ cbEncoded, dwFlags, pDecodePara, pvStructInfo, *pcbStructInfo,
+ startingPointer);
+
+ if (pbEncoded[0] == ASN_SEQUENCE)
+ {
+ DWORD dataLen;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+ DWORD i, bytesNeeded = 0, minSize = 0;
+ const BYTE *ptr;
+
+ ptr = pbEncoded + 1 + lenBytes;
+ for (i = 0; ret && i < cItem; i++)
+ {
+ DWORD nextItemLen;
+
+ minSize += items[i].minSize;
+ if (cbEncoded - (ptr - pbEncoded) != 0)
+ {
+ if ((ret = CRYPT_GetLen(ptr, cbEncoded - (ptr - pbEncoded),
+ &nextItemLen)))
+ {
+ BYTE nextItemLenBytes = GET_LEN_BYTES(ptr[1]);
+
+ if (items[i].decodeFunc)
+ {
+ TRACE("sizing item %ld\n", i);
+ ret = items[i].decodeFunc(dwCertEncodingType, NULL,
+ ptr, 1 + nextItemLenBytes + nextItemLen,
+ dwFlags & ~CRYPT_DECODE_ALLOC_FLAG, NULL, NULL,
+ &items[i].size);
+ if (ret)
+ {
+ /* Account for alignment padding */
+ bytesNeeded += items[i].size;
+ if (items[i].size % sizeof(DWORD))
+ bytesNeeded += sizeof(DWORD) -
+ items[i].size % sizeof(DWORD);
+ ptr += 1 + nextItemLenBytes + nextItemLen;
+ }
+ else if (items[i].optional &&
+ GetLastError() == CRYPT_E_ASN1_BADTAG)
+ {
+ TRACE("skipping optional item %ld\n", i);
+ bytesNeeded += items[i].minSize;
+ SetLastError(NOERROR);
+ ret = TRUE;
+ }
+ else
+ TRACE("item %ld failed: %08lx\n", i,
+ GetLastError());
+ }
+ else
+ bytesNeeded += items[i].minSize;
+ }
+ }
+ else if (items[i].optional)
+ bytesNeeded += items[i].minSize;
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ }
+ if (cbEncoded - (ptr - pbEncoded) != 0)
+ {
+ TRACE("%ld remaining bytes, failing\n", cbEncoded -
+ (ptr - pbEncoded));
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ if (ret)
+ {
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if ((ret = CRYPT_DecodeEnsureSpace(dwFlags,
+ pDecodePara, pvStructInfo, pcbStructInfo, bytesNeeded)))
+ {
+ BYTE *nextData;
+
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ pvStructInfo = *(BYTE **)pvStructInfo;
+ if (startingPointer)
+ nextData = (BYTE *)startingPointer;
+ else
+ nextData = (BYTE *)pvStructInfo + minSize;
+ memset(pvStructInfo, 0, minSize);
+ ptr = pbEncoded + 1 + lenBytes;
+ for (i = 0; ret && i < cItem; i++)
+ {
+ if (cbEncoded - (ptr - pbEncoded) != 0)
+ {
+ DWORD nextItemLen;
+ BYTE nextItemLenBytes = GET_LEN_BYTES(ptr[1]);
+
+ CRYPT_GetLen(ptr, cbEncoded - (ptr - pbEncoded),
+ &nextItemLen);
+ if (items[i].hasPointer)
+ {
+ *(BYTE **)((BYTE *)pvStructInfo +
+ items[i].pointerOffset) = nextData;
+ }
+ if (items[i].decodeFunc)
+ {
+ TRACE("decoding item %ld\n", i);
+ ret = items[i].decodeFunc(dwCertEncodingType,
+ NULL, ptr, 1 + nextItemLenBytes + nextItemLen,
+ dwFlags & ~CRYPT_DECODE_ALLOC_FLAG, NULL,
+ (BYTE *)pvStructInfo + items[i].offset,
+ &items[i].size);
+ if (!ret)
+ TRACE("item %ld failed: %08lx\n", i,
+ GetLastError());
+ }
+ else
+ items[i].size = items[i].minSize;
+ if (ret)
+ {
+ if (items[i].hasPointer &&
+ items[i].size > items[i].minSize)
+ {
+ nextData += items[i].size -
+ items[i].minSize;
+ /* align nextData to DWORD boundaries */
+ if (items[i].size % sizeof(DWORD))
+ {
+ nextData += sizeof(DWORD) -
+ items[i].size % sizeof(DWORD);
+ }
+ }
+ ptr += 1 + nextItemLenBytes + nextItemLen;
+ }
+ else if (items[i].optional &&
+ GetLastError() == CRYPT_E_ASN1_BADTAG)
+ {
+ SetLastError(NOERROR);
+ ret = TRUE;
+ }
+ }
+ else if (!items[i].optional)
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ TRACE("returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+/* Decodes a DER-encoded BLOB into a CRYPT_DER_BLOB struct pointed to by
+ * pvStructInfo. The BLOB must be non-empty, otherwise the last error is set
+ * to CRYPT_E_ASN1_CORRUPT.
+ * Warning: assumes the CRYPT_DER_BLOB pointed to by pvStructInfo has pbData
+ * set!
+ */
+static BOOL WINAPI CRYPT_AsnDecodeDerBlob(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+ DWORD dataLen;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+ DWORD bytesNeeded = sizeof(CRYPT_DER_BLOB);
+
+ if (!(dwFlags & CRYPT_DECODE_NOCOPY_FLAG))
+ bytesNeeded += 1 + lenBytes + dataLen;
+
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if ((ret = CRYPT_DecodeEnsureSpace(dwFlags, pDecodePara,
+ pvStructInfo, pcbStructInfo, bytesNeeded)))
+ {
+ CRYPT_DER_BLOB *blob = (CRYPT_DER_BLOB *)pvStructInfo;
+
+ blob->cbData = 1 + lenBytes + dataLen;
+ if (blob->cbData)
+ {
+ if (dwFlags & CRYPT_DECODE_NOCOPY_FLAG)
+ blob->pbData = (BYTE *)pbEncoded;
+ else
+ {
+ assert(blob->pbData);
+ memcpy(blob->pbData, pbEncoded, blob->cbData);
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ }
+ }
+ return ret;
+}
+
+/* Like CRYPT_AsnDecodeBitsInternal, but swaps the bytes */
+static BOOL WINAPI CRYPT_AsnDecodeBitsSwapBytes(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ TRACE("(%p, %ld, 0x%08lx, %p, %p, %ld)\n", pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, *pcbStructInfo);
+
+ /* Can't use the CRYPT_DECODE_NOCOPY_FLAG, because we modify the bytes in-
+ * place.
+ */
+ ret = CRYPT_AsnDecodeBitsInternal(dwCertEncodingType, lpszStructType,
+ pbEncoded, cbEncoded, dwFlags & ~CRYPT_DECODE_NOCOPY_FLAG, pDecodePara,
+ pvStructInfo, pcbStructInfo);
+ if (ret && pvStructInfo)
+ {
+ CRYPT_BIT_BLOB *blob = (CRYPT_BIT_BLOB *)pvStructInfo;
+
+ if (blob->cbData)
+ {
+ DWORD i;
+ BYTE temp;
+
+ for (i = 0; i < blob->cbData / 2; i++)
+ {
+ temp = blob->pbData[i];
+ blob->pbData[i] = blob->pbData[blob->cbData - i - 1];
+ blob->pbData[blob->cbData - i - 1] = temp;
+ }
+ }
+ }
+ TRACE("returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeCert(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret = TRUE;
+
+ TRACE("%p, %ld, %08lx, %p, %p, %ld\n", pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, *pcbStructInfo);
+
+ _SEH_TRY
+ {
+ struct AsnDecodeSequenceItem items[] = {
+ { offsetof(CERT_SIGNED_CONTENT_INFO, ToBeSigned),
+ CRYPT_AsnDecodeDerBlob, sizeof(CRYPT_DER_BLOB), FALSE, TRUE,
+ offsetof(CERT_SIGNED_CONTENT_INFO, ToBeSigned.pbData), 0 },
+ { offsetof(CERT_SIGNED_CONTENT_INFO, SignatureAlgorithm),
+ CRYPT_AsnDecodeAlgorithmId, sizeof(CRYPT_ALGORITHM_IDENTIFIER),
+ FALSE, TRUE, offsetof(CERT_SIGNED_CONTENT_INFO,
+ SignatureAlgorithm.pszObjId), 0 },
+ { offsetof(CERT_SIGNED_CONTENT_INFO, Signature),
+ CRYPT_AsnDecodeBitsSwapBytes, sizeof(CRYPT_BIT_BLOB), FALSE, TRUE,
+ offsetof(CERT_SIGNED_CONTENT_INFO, Signature.pbData), 0 },
+ };
+
+ if (dwFlags & CRYPT_DECODE_NO_SIGNATURE_BYTE_REVERSAL_FLAG)
+ items[2].decodeFunc = CRYPT_AsnDecodeBitsInternal;
+ ret = CRYPT_AsnDecodeSequence(dwCertEncodingType, items,
+ sizeof(items) / sizeof(items[0]), pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, pcbStructInfo, NULL);
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeCertVersion(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ if (pbEncoded[0] == (ASN_CONTEXT | ASN_CONSTRUCTOR))
+ {
+ DWORD dataLen;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+
+ ret = CRYPT_AsnDecodeInt(dwCertEncodingType, X509_INTEGER,
+ pbEncoded + 1 + lenBytes, dataLen, dwFlags, pDecodePara,
+ pvStructInfo, pcbStructInfo);
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeValidity(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ struct AsnDecodeSequenceItem items[] = {
+ { offsetof(CERT_PRIVATE_KEY_VALIDITY, NotBefore),
+ CRYPT_AsnDecodeChoiceOfTime, sizeof(FILETIME), FALSE, FALSE, 0 },
+ { offsetof(CERT_PRIVATE_KEY_VALIDITY, NotAfter),
+ CRYPT_AsnDecodeChoiceOfTime, sizeof(FILETIME), FALSE, FALSE, 0 },
+ };
+
+ ret = CRYPT_AsnDecodeSequence(dwCertEncodingType, items,
+ sizeof(items) / sizeof(items[0]), pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, pcbStructInfo, NULL);
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeCertExtensions(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ if (pbEncoded[0] == (ASN_CONTEXT | ASN_CONSTRUCTOR | 3))
+ {
+ DWORD dataLen;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+
+ ret = CRYPT_AsnDecodeExtensionsInternal(dwCertEncodingType,
+ X509_EXTENSIONS, pbEncoded + 1 + lenBytes, dataLen, dwFlags,
+ pDecodePara, pvStructInfo, pcbStructInfo);
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeCertInfo(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret = TRUE;
+
+ TRACE("%p, %ld, %08lx, %p, %p, %ld\n", pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, *pcbStructInfo);
+
+ _SEH_TRY
+ {
+ struct AsnDecodeSequenceItem items[] = {
+ { offsetof(CERT_INFO, dwVersion), CRYPT_AsnDecodeCertVersion,
+ sizeof(DWORD), TRUE, FALSE, 0, 0 },
+ { offsetof(CERT_INFO, SerialNumber), CRYPT_AsnDecodeIntegerInternal,
+ sizeof(CRYPT_INTEGER_BLOB), FALSE, TRUE, offsetof(CERT_INFO,
+ SerialNumber.pbData), 0 },
+ { offsetof(CERT_INFO, SignatureAlgorithm), CRYPT_AsnDecodeAlgorithmId,
+ sizeof(CRYPT_ALGORITHM_IDENTIFIER), FALSE, TRUE, offsetof(CERT_INFO,
+ SignatureAlgorithm.pszObjId), 0 },
+ { offsetof(CERT_INFO, Issuer), CRYPT_AsnDecodeDerBlob,
+ sizeof(CRYPT_DER_BLOB), FALSE, TRUE, offsetof(CERT_INFO,
+ Issuer.pbData) },
+ { offsetof(CERT_INFO, NotBefore), CRYPT_AsnDecodeValidity,
+ sizeof(CERT_PRIVATE_KEY_VALIDITY), FALSE, FALSE, 0 },
+ { offsetof(CERT_INFO, Subject), CRYPT_AsnDecodeDerBlob,
+ sizeof(CRYPT_DER_BLOB), FALSE, TRUE, offsetof(CERT_INFO,
+ Subject.pbData) },
+ { offsetof(CERT_INFO, SubjectPublicKeyInfo), CRYPT_AsnDecodePubKeyInfo,
+ sizeof(CERT_PUBLIC_KEY_INFO), FALSE, TRUE, offsetof(CERT_INFO,
+ SubjectPublicKeyInfo.Algorithm.Parameters.pbData), 0 },
+ { offsetof(CERT_INFO, IssuerUniqueId), CRYPT_AsnDecodeBitsInternal,
+ sizeof(CRYPT_BIT_BLOB), TRUE, TRUE, offsetof(CERT_INFO,
+ IssuerUniqueId.pbData), 0 },
+ { offsetof(CERT_INFO, SubjectUniqueId), CRYPT_AsnDecodeBitsInternal,
+ sizeof(CRYPT_BIT_BLOB), TRUE, TRUE, offsetof(CERT_INFO,
+ SubjectUniqueId.pbData), 0 },
+ { offsetof(CERT_INFO, cExtension), CRYPT_AsnDecodeCertExtensions,
+ sizeof(CERT_EXTENSIONS), TRUE, TRUE, offsetof(CERT_INFO,
+ rgExtension), 0 },
+ };
+
+ ret = CRYPT_AsnDecodeSequence(dwCertEncodingType, items,
+ sizeof(items) / sizeof(items[0]), pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, pcbStructInfo, NULL);
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL CRYPT_AsnDecodeCRLEntry(const BYTE *pbEncoded, DWORD cbEncoded,
+ DWORD dwFlags, PCRL_ENTRY entry, DWORD *pcbEntry)
+{
+ BOOL ret;
+ struct AsnDecodeSequenceItem items[] = {
+ { offsetof(CRL_ENTRY, SerialNumber), CRYPT_AsnDecodeIntegerInternal,
+ sizeof(CRYPT_INTEGER_BLOB), FALSE, TRUE, offsetof(CRL_ENTRY,
+ SerialNumber.pbData), 0 },
+ { offsetof(CRL_ENTRY, RevocationDate), CRYPT_AsnDecodeChoiceOfTime,
+ sizeof(FILETIME), FALSE, FALSE, 0 },
+ { offsetof(CRL_ENTRY, cExtension), CRYPT_AsnDecodeExtensionsInternal,
+ sizeof(CERT_EXTENSIONS), TRUE, TRUE, offsetof(CRL_ENTRY,
+ rgExtension), 0 },
+ };
+
+ TRACE("%p, %ld, %08lx, %p, %ld\n", pbEncoded, cbEncoded, dwFlags, entry,
+ *pcbEntry);
+
+ ret = CRYPT_AsnDecodeSequence(X509_ASN_ENCODING, items,
+ sizeof(items) / sizeof(items[0]), pbEncoded, cbEncoded, dwFlags,
+ NULL, entry, pcbEntry, entry ? entry->SerialNumber.pbData : NULL);
+ TRACE("Returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+typedef struct _WINE_CRL_ENTRIES {
+ DWORD cCRLEntry;
+ PCRL_ENTRY rgCRLEntry;
+} WINE_CRL_ENTRIES, *PWINE_CRL_ENTRIES;
+
+/* Warning: assumes pvStructInfo is a WINE_CRL_ENTRIES whose rgCRLEntry has
+ * been set prior to calling.
+ */
+static BOOL WINAPI CRYPT_AsnDecodeCRLEntries(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ TRACE("%p, %ld, %08lx, %p, %p, %ld\n", pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, *pcbStructInfo);
+
+ if (pbEncoded[0] == ASN_SEQUENCEOF)
+ {
+ DWORD dataLen, bytesNeeded;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ DWORD cCRLEntry = 0;
+ BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+
+ bytesNeeded = sizeof(WINE_CRL_ENTRIES);
+ if (dataLen)
+ {
+ const BYTE *ptr;
+ DWORD size;
+
+ for (ptr = pbEncoded + 1 + lenBytes; ret &&
+ ptr - pbEncoded - 1 - lenBytes < dataLen; )
+ {
+ size = 0;
+ ret = CRYPT_AsnDecodeCRLEntry(ptr,
+ cbEncoded - (ptr - pbEncoded), dwFlags, NULL, &size);
+ if (ret)
+ {
+ DWORD nextLen;
+
+ cCRLEntry++;
+ bytesNeeded += size;
+ ret = CRYPT_GetLen(ptr,
+ cbEncoded - (ptr - pbEncoded), &nextLen);
+ if (ret)
+ ptr += nextLen + 1 + GET_LEN_BYTES(ptr[1]);
+ }
+ }
+ }
+ if (ret)
+ {
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if ((ret = CRYPT_DecodeEnsureSpace(dwFlags,
+ pDecodePara, pvStructInfo, pcbStructInfo, bytesNeeded)))
+ {
+ DWORD size, i;
+ BYTE *nextData;
+ const BYTE *ptr;
+ PWINE_CRL_ENTRIES entries;
+
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ pvStructInfo = *(BYTE **)pvStructInfo;
+ *pcbStructInfo = bytesNeeded;
+ entries = (PWINE_CRL_ENTRIES)pvStructInfo;
+ entries->cCRLEntry = cCRLEntry;
+ assert(entries->rgCRLEntry);
+ nextData = (BYTE *)entries->rgCRLEntry +
+ entries->cCRLEntry * sizeof(CRL_ENTRY);
+ for (i = 0, ptr = pbEncoded + 1 + lenBytes; ret &&
+ i < cCRLEntry && ptr - pbEncoded - 1 - lenBytes <
+ dataLen; i++)
+ {
+ entries->rgCRLEntry[i].SerialNumber.pbData = nextData;
+ size = bytesNeeded;
+ ret = CRYPT_AsnDecodeCRLEntry(ptr,
+ cbEncoded - (ptr - pbEncoded), dwFlags,
+ &entries->rgCRLEntry[i], &size);
+ if (ret)
+ {
+ DWORD nextLen;
+
+ bytesNeeded -= size;
+ /* Increment nextData by the difference of the
+ * minimum size and the actual size.
+ */
+ if (size > sizeof(CRL_ENTRY))
+ nextData += size - sizeof(CRL_ENTRY);
+ ret = CRYPT_GetLen(ptr,
+ cbEncoded - (ptr - pbEncoded), &nextLen);
+ if (ret)
+ ptr += nextLen + 1 + GET_LEN_BYTES(ptr[1]);
+ }
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ TRACE("Returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeCRLInfo(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret = TRUE;
+
+ TRACE("%p, %ld, %08lx, %p, %p, %ld\n", pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, *pcbStructInfo);
+
+ _SEH_TRY
+ {
+ struct AsnDecodeSequenceItem items[] = {
+ { offsetof(CRL_INFO, dwVersion), CRYPT_AsnDecodeCertVersion,
+ sizeof(DWORD), TRUE, FALSE, 0, 0 },
+ { offsetof(CRL_INFO, SignatureAlgorithm), CRYPT_AsnDecodeAlgorithmId,
+ sizeof(CRYPT_ALGORITHM_IDENTIFIER), FALSE, TRUE, offsetof(CRL_INFO,
+ SignatureAlgorithm.pszObjId), 0 },
+ { offsetof(CRL_INFO, Issuer), CRYPT_AsnDecodeDerBlob,
+ sizeof(CRYPT_DER_BLOB), FALSE, TRUE, offsetof(CRL_INFO,
+ Issuer.pbData) },
+ { offsetof(CRL_INFO, ThisUpdate), CRYPT_AsnDecodeChoiceOfTime,
+ sizeof(FILETIME), FALSE, FALSE, 0 },
+ { offsetof(CRL_INFO, NextUpdate), CRYPT_AsnDecodeChoiceOfTime,
+ sizeof(FILETIME), TRUE, FALSE, 0 },
+ { offsetof(CRL_INFO, cCRLEntry), CRYPT_AsnDecodeCRLEntries,
+ sizeof(WINE_CRL_ENTRIES), TRUE, TRUE, offsetof(CRL_INFO,
+ rgCRLEntry), 0 },
+ /* Note that the extensions are ignored by MS, so I'll ignore them too
+ */
+ { offsetof(CRL_INFO, cExtension), NULL,
+ sizeof(CERT_EXTENSIONS), TRUE, FALSE, 0 },
+ };
+
+ ret = CRYPT_AsnDecodeSequence(dwCertEncodingType, items,
+ sizeof(items) / sizeof(items[0]), pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, pcbStructInfo, NULL);
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+
+ TRACE("Returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+/* Differences between this and CRYPT_AsnDecodeOid:
+ * - pvStructInfo is a LPSTR *, not an LPSTR
+ * - CRYPT_AsnDecodeOid doesn't account for the size of an LPSTR in its byte
+ * count, whereas our callers (typically CRYPT_AsnDecodeSequence) expect this
+ * to
+ */
+static BOOL WINAPI CRYPT_AsnDecodeOidWrapper(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ TRACE("%p, %ld, %08lx, %p, %p, %ld\n", pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, *pcbStructInfo);
+
+ ret = CRYPT_AsnDecodeOid(pbEncoded, cbEncoded, dwFlags,
+ pvStructInfo ? *(LPSTR *)pvStructInfo : NULL, pcbStructInfo);
+ if (ret || GetLastError() == ERROR_MORE_DATA)
+ *pcbStructInfo += sizeof(LPSTR);
+ if (ret && pvStructInfo)
+ TRACE("returning %s\n", debugstr_a(*(LPSTR *)pvStructInfo));
+ return ret;
+}
+
+/* Warning: assumes ext->pszObjId is set ahead of time! */
+static BOOL CRYPT_AsnDecodeExtension(const BYTE *pbEncoded, DWORD cbEncoded,
+ DWORD dwFlags, CERT_EXTENSION *ext, DWORD *pcbExt)
+{
+ struct AsnDecodeSequenceItem items[] = {
+ { offsetof(CERT_EXTENSION, pszObjId), CRYPT_AsnDecodeOidWrapper,
+ sizeof(LPSTR), FALSE, TRUE, offsetof(CERT_EXTENSION, pszObjId), 0 },
+ { offsetof(CERT_EXTENSION, fCritical), CRYPT_AsnDecodeBool,
+ sizeof(BOOL), TRUE, FALSE, 0, 0 },
+ { offsetof(CERT_EXTENSION, Value), CRYPT_AsnDecodeOctetsInternal,
+ sizeof(CRYPT_OBJID_BLOB), FALSE, TRUE, offsetof(CERT_EXTENSION,
+ Value.pbData) },
+ };
+ BOOL ret = TRUE;
+
+ TRACE("%p, %ld, %08lx, %p, %ld\n", pbEncoded, cbEncoded, dwFlags, ext,
+ *pcbExt);
+
+ if (ext)
+ TRACE("ext->pszObjId is %p\n", ext->pszObjId);
+ ret = CRYPT_AsnDecodeSequence(X509_ASN_ENCODING, items,
+ sizeof(items) / sizeof(items[0]), pbEncoded, cbEncoded, dwFlags, NULL,
+ ext, pcbExt, ext ? ext->pszObjId : NULL);
+ if (ext)
+ TRACE("ext->pszObjId is %p (%s)\n", ext->pszObjId,
+ debugstr_a(ext->pszObjId));
+ TRACE("returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeExtensionsInternal(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret = TRUE;
+
+ TRACE("%p, %ld, %08lx, %p, %p, %ld\n", pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, *pcbStructInfo);
+
+ if (pbEncoded[0] == ASN_SEQUENCEOF)
+ {
+ DWORD dataLen, bytesNeeded;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ DWORD cExtension = 0;
+ BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+
+ bytesNeeded = sizeof(CERT_EXTENSIONS);
+ if (dataLen)
+ {
+ const BYTE *ptr;
+ DWORD size;
+
+ for (ptr = pbEncoded + 1 + lenBytes; ret &&
+ ptr - pbEncoded - 1 - lenBytes < dataLen; )
+ {
+ size = 0;
+ ret = CRYPT_AsnDecodeExtension(ptr,
+ cbEncoded - (ptr - pbEncoded), dwFlags, NULL, &size);
+ if (ret)
+ {
+ DWORD nextLen;
+
+ cExtension++;
+ bytesNeeded += size;
+ ret = CRYPT_GetLen(ptr,
+ cbEncoded - (ptr - pbEncoded), &nextLen);
+ if (ret)
+ ptr += nextLen + 1 + GET_LEN_BYTES(ptr[1]);
+ }
+ }
+ }
+ if (ret)
+ {
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if (*pcbStructInfo < bytesNeeded)
+ {
+ SetLastError(ERROR_MORE_DATA);
+ *pcbStructInfo = bytesNeeded;
+ ret = FALSE;
+ }
+ else
+ {
+ DWORD size, i;
+ BYTE *nextData;
+ const BYTE *ptr;
+ CERT_EXTENSIONS *exts;
+
+ *pcbStructInfo = bytesNeeded;
+ exts = (CERT_EXTENSIONS *)pvStructInfo;
+ exts->cExtension = cExtension;
+ assert(exts->rgExtension);
+ nextData = (BYTE *)exts->rgExtension +
+ exts->cExtension * sizeof(CERT_EXTENSION);
+ for (i = 0, ptr = pbEncoded + 1 + lenBytes; ret &&
+ i < cExtension && ptr - pbEncoded - 1 - lenBytes <
+ dataLen; i++)
+ {
+ exts->rgExtension[i].pszObjId = (LPSTR)nextData;
+ size = bytesNeeded;
+ ret = CRYPT_AsnDecodeExtension(ptr,
+ cbEncoded - (ptr - pbEncoded), dwFlags,
+ &exts->rgExtension[i], &size);
+ if (ret)
+ {
+ DWORD nextLen;
+
+ bytesNeeded -= size;
+ if (size > sizeof(CERT_EXTENSION))
+ nextData += size - sizeof(CERT_EXTENSION);
+ ret = CRYPT_GetLen(ptr,
+ cbEncoded - (ptr - pbEncoded), &nextLen);
+ if (ret)
+ ptr += nextLen + 1 + GET_LEN_BYTES(ptr[1]);
+ }
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeExtensions(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret = TRUE;
+
+ _SEH_TRY
+ {
+ ret = CRYPT_AsnDecodeExtensionsInternal(dwCertEncodingType,
+ lpszStructType, pbEncoded, cbEncoded,
+ dwFlags & ~CRYPT_DECODE_ALLOC_FLAG, NULL, NULL, pcbStructInfo);
+ if (ret && pvStructInfo)
+ {
+ ret = CRYPT_DecodeEnsureSpace(dwFlags, pDecodePara, pvStructInfo,
+ pcbStructInfo, *pcbStructInfo);
+ if (ret)
+ {
+ CERT_EXTENSIONS *exts;
+
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ pvStructInfo = *(BYTE **)pvStructInfo;
+ exts = (CERT_EXTENSIONS *)pvStructInfo;
+ exts->rgExtension = (CERT_EXTENSION *)((BYTE *)exts +
+ sizeof(CERT_EXTENSIONS));
+ ret = CRYPT_AsnDecodeExtensionsInternal(dwCertEncodingType,
+ lpszStructType, pbEncoded, cbEncoded,
+ dwFlags & ~CRYPT_DECODE_ALLOC_FLAG, NULL, pvStructInfo,
+ pcbStructInfo);
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+/* FIXME: honor the CRYPT_DECODE_SHARE_OID_STRING_FLAG. */
+static BOOL WINAPI CRYPT_AsnDecodeOid(const BYTE *pbEncoded, DWORD cbEncoded,
+ DWORD dwFlags, LPSTR pszObjId, DWORD *pcbObjId)
+{
+ BOOL ret = TRUE;
+
+ TRACE("%p, %ld, %08lx, %p, %ld\n", pbEncoded, cbEncoded, dwFlags, pszObjId,
+ *pcbObjId);
+
+ _SEH_TRY
+ {
+ if (pbEncoded[0] == ASN_OBJECTIDENTIFIER)
+ {
+ DWORD dataLen;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+ DWORD bytesNeeded;
+
+ if (dataLen)
+ {
+ /* The largest possible string for the first two components
+ * is 2.175 (= 2 * 40 + 175 = 255), so this is big enough.
+ */
+ char firstTwo[6];
+ const BYTE *ptr;
+
+ snprintf(firstTwo, sizeof(firstTwo), "%d.%d",
+ pbEncoded[1 + lenBytes] / 40,
+ pbEncoded[1 + lenBytes] - (pbEncoded[1 + lenBytes] / 40)
+ * 40);
+ bytesNeeded = strlen(firstTwo) + 1;
+ for (ptr = pbEncoded + 2 + lenBytes; ret &&
+ ptr - pbEncoded - 1 - lenBytes < dataLen; )
+ {
+ /* large enough for ".4000000" */
+ char str[9];
+ int val = 0;
+
+ while (ptr - pbEncoded - 1 - lenBytes < dataLen &&
+ (*ptr & 0x80))
+ {
+ val <<= 7;
+ val |= *ptr & 0x7f;
+ ptr++;
+ }
+ if (ptr - pbEncoded - 1 - lenBytes >= dataLen ||
+ (*ptr & 0x80))
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ else
+ {
+ val <<= 7;
+ val |= *ptr++;
+ snprintf(str, sizeof(str), ".%d", val);
+ bytesNeeded += strlen(str);
+ }
+ }
+ if (!pszObjId)
+ *pcbObjId = bytesNeeded;
+ else if (*pcbObjId < bytesNeeded)
+ {
+ *pcbObjId = bytesNeeded;
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ *pszObjId = 0;
+ sprintf(pszObjId, "%d.%d", pbEncoded[1 + lenBytes] / 40,
+ pbEncoded[1 + lenBytes] - (pbEncoded[1 + lenBytes] /
+ 40) * 40);
+ pszObjId += strlen(pszObjId);
+ for (ptr = pbEncoded + 2 + lenBytes; ret &&
+ ptr - pbEncoded - 1 - lenBytes < dataLen; )
+ {
+ int val = 0;
+
+ while (ptr - pbEncoded - 1 - lenBytes < dataLen &&
+ (*ptr & 0x80))
+ {
+ val <<= 7;
+ val |= *ptr & 0x7f;
+ ptr++;
+ }
+ val <<= 7;
+ val |= *ptr++;
+ sprintf(pszObjId, ".%d", val);
+ pszObjId += strlen(pszObjId);
+ }
+ }
+ }
+ else
+ bytesNeeded = 0;
+ *pcbObjId = bytesNeeded;
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+/* Warning: this assumes the address of value->Value.pbData is already set, in
+ * order to avoid overwriting memory. (In some cases, it may change it, if it
+ * doesn't copy anything to memory.) Be sure to set it correctly!
+ */
+static BOOL WINAPI CRYPT_AsnDecodeNameValue(const BYTE *pbEncoded,
+ DWORD cbEncoded, DWORD dwFlags, CERT_NAME_VALUE *value, DWORD *pcbValue)
+{
+ BOOL ret = TRUE;
+
+ _SEH_TRY
+ {
+ DWORD dataLen;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+
+ switch (pbEncoded[0])
+ {
+ case ASN_NUMERICSTRING:
+ case ASN_PRINTABLESTRING:
+ case ASN_IA5STRING:
+ break;
+ default:
+ FIXME("Unimplemented string type %02x\n", pbEncoded[0]);
+ SetLastError(OSS_UNIMPLEMENTED);
+ ret = FALSE;
+ }
+ if (ret)
+ {
+ DWORD bytesNeeded = sizeof(CERT_NAME_VALUE);
+
+ switch (pbEncoded[0])
+ {
+ case ASN_NUMERICSTRING:
+ case ASN_PRINTABLESTRING:
+ case ASN_IA5STRING:
+ if (!(dwFlags & CRYPT_DECODE_NOCOPY_FLAG))
+ bytesNeeded += dataLen;
+ break;
+ }
+ if (!value)
+ *pcbValue = bytesNeeded;
+ else if (*pcbValue < bytesNeeded)
+ {
+ *pcbValue = bytesNeeded;
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ *pcbValue = bytesNeeded;
+ switch (pbEncoded[0])
+ {
+ case ASN_NUMERICSTRING:
+ value->dwValueType = CERT_RDN_NUMERIC_STRING;
+ break;
+ case ASN_PRINTABLESTRING:
+ value->dwValueType = CERT_RDN_PRINTABLE_STRING;
+ break;
+ case ASN_IA5STRING:
+ value->dwValueType = CERT_RDN_IA5_STRING;
+ break;
+ }
+ if (dataLen)
+ {
+ switch (pbEncoded[0])
+ {
+ case ASN_NUMERICSTRING:
+ case ASN_PRINTABLESTRING:
+ case ASN_IA5STRING:
+ value->Value.cbData = dataLen;
+ if (dwFlags & CRYPT_DECODE_NOCOPY_FLAG)
+ value->Value.pbData = (BYTE *)pbEncoded + 1 +
+ lenBytes;
+ else
+ {
+ assert(value->Value.pbData);
+ memcpy(value->Value.pbData,
+ pbEncoded + 1 + lenBytes, dataLen);
+ }
+ break;
+ }
+ }
+ else
+ {
+ value->Value.cbData = 0;
+ value->Value.pbData = NULL;
+ }
+ }
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+/* FIXME: this should use CRYPT_AsnDecodeSequence (though that won't accept it
+ * at the moment because of the ASN_CONSTRUCTOR tag.)
+ */
+static BOOL WINAPI CRYPT_AsnDecodeRdnAttr(const BYTE *pbEncoded,
+ DWORD cbEncoded, DWORD dwFlags, CERT_RDN_ATTR *attr, DWORD *pcbAttr)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ if (pbEncoded[0] == (ASN_CONSTRUCTOR | ASN_SEQUENCE))
+ {
+ DWORD bytesNeeded, dataLen, size;
+ BYTE lenBytes;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ /* The data length must be at least 4, two for the tag and
+ * length for the OID, and two for the string (assuming both
+ * have short-form lengths.)
+ */
+ if (dataLen < 4)
+ {
+ SetLastError(CRYPT_E_ASN1_EOD);
+ ret = FALSE;
+ }
+ else
+ {
+ bytesNeeded = sizeof(CERT_RDN_ATTR);
+ lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+ ret = CRYPT_AsnDecodeOid(pbEncoded + 1 + lenBytes,
+ cbEncoded - 1 - lenBytes, dwFlags, NULL, &size);
+ if (ret)
+ {
+ /* ugly: need to know the size of the next element of
+ * the sequence, so get it directly
+ */
+ DWORD objIdOfset = 1 + lenBytes, objIdLen,
+ nameValueOffset = 0;
+
+ ret = CRYPT_GetLen(pbEncoded + objIdOfset,
+ cbEncoded - objIdOfset, &objIdLen);
+ bytesNeeded += size;
+ /* hack: like encoding, this takes advantage of the
+ * fact that the rest of the structure is identical to
+ * a CERT_NAME_VALUE.
+ */
+ if (ret)
+ {
+ nameValueOffset = objIdOfset + objIdLen + 1 +
+ GET_LEN_BYTES(pbEncoded[objIdOfset]);
+ ret = CRYPT_AsnDecodeNameValue(
+ pbEncoded + nameValueOffset,
+ cbEncoded - nameValueOffset, dwFlags, NULL, &size);
+ }
+ if (ret)
+ {
+ bytesNeeded += size;
+ if (!attr)
+ *pcbAttr = bytesNeeded;
+ else if (*pcbAttr < bytesNeeded)
+ {
+ *pcbAttr = bytesNeeded;
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ BYTE *originalData = attr->Value.pbData;
+
+ *pcbAttr = bytesNeeded;
+ /* strange: decode the value first, because it
+ * has a counted size, and we can store the OID
+ * after it. Keep track of the original data
+ * pointer, we'll need to know whether it was
+ * changed.
+ */
+ size = bytesNeeded;
+ ret = CRYPT_AsnDecodeNameValue(
+ pbEncoded + nameValueOffset,
+ cbEncoded - nameValueOffset, dwFlags,
+ (CERT_NAME_VALUE *)&attr->dwValueType, &size);
+ if (ret)
+ {
+ if (objIdLen)
+ {
+ /* if the data were copied to the
+ * original location, the OID goes
+ * after. Otherwise it goes in the
+ * spot originally reserved for the
+ * data.
+ */
+ if (attr->Value.pbData == originalData)
+ attr->pszObjId =
+ (LPSTR)(attr->Value.pbData +
+ attr->Value.cbData);
+ else
+ attr->pszObjId =
+ (LPSTR)originalData;
+ size = bytesNeeded - size;
+ ret = CRYPT_AsnDecodeOid(
+ pbEncoded + objIdOfset,
+ cbEncoded - objIdOfset,
+ dwFlags, attr->pszObjId, &size);
+ }
+ else
+ attr->pszObjId = NULL;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeRdn(const BYTE *pbEncoded, DWORD cbEncoded,
+ DWORD dwFlags, CERT_RDN *rdn, DWORD *pcbRdn)
+{
+ BOOL ret = TRUE;
+
+ _SEH_TRY
+ {
+ if (pbEncoded[0] == (ASN_CONSTRUCTOR | ASN_SETOF))
+ {
+ DWORD dataLen;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ DWORD bytesNeeded, cRDNAttr = 0;
+ BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+
+ bytesNeeded = sizeof(CERT_RDN);
+ if (dataLen)
+ {
+ const BYTE *ptr;
+ DWORD size;
+
+ for (ptr = pbEncoded + 1 + lenBytes; ret &&
+ ptr - pbEncoded - 1 - lenBytes < dataLen; )
+ {
+ ret = CRYPT_AsnDecodeRdnAttr(ptr,
+ cbEncoded - (ptr - pbEncoded), dwFlags, NULL, &size);
+ if (ret)
+ {
+ DWORD nextLen;
+
+ cRDNAttr++;
+ bytesNeeded += size;
+ ret = CRYPT_GetLen(ptr,
+ cbEncoded - (ptr - pbEncoded), &nextLen);
+ if (ret)
+ ptr += nextLen + 1 + GET_LEN_BYTES(ptr[1]);
+ }
+ }
+ }
+ if (ret)
+ {
+ if (!rdn)
+ *pcbRdn = bytesNeeded;
+ else if (*pcbRdn < bytesNeeded)
+ {
+ *pcbRdn = bytesNeeded;
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ DWORD size, i;
+ BYTE *nextData;
+ const BYTE *ptr;
+
+ *pcbRdn = bytesNeeded;
+ rdn->cRDNAttr = cRDNAttr;
+ rdn->rgRDNAttr = (CERT_RDN_ATTR *)((BYTE *)rdn +
+ sizeof(CERT_RDN));
+ nextData = (BYTE *)rdn->rgRDNAttr +
+ rdn->cRDNAttr * sizeof(CERT_RDN_ATTR);
+ for (i = 0, ptr = pbEncoded + 1 + lenBytes; ret &&
+ i < cRDNAttr && ptr - pbEncoded - 1 - lenBytes <
+ dataLen; i++)
+ {
+ rdn->rgRDNAttr[i].Value.pbData = nextData;
+ size = bytesNeeded;
+ ret = CRYPT_AsnDecodeRdnAttr(ptr,
+ cbEncoded - (ptr - pbEncoded), dwFlags,
+ &rdn->rgRDNAttr[i], &size);
+ if (ret)
+ {
+ DWORD nextLen;
+
+ bytesNeeded -= size;
+ /* If dwFlags & CRYPT_DECODE_NOCOPY_FLAG, the
+ * data may not have been copied.
+ */
+ if (rdn->rgRDNAttr[i].Value.pbData == nextData)
+ nextData +=
+ rdn->rgRDNAttr[i].Value.cbData;
+ /* Ugly: the OID, if copied, is stored in
+ * memory after the value, so increment by its
+ * string length if it's set and points here.
+ */
+ if ((const BYTE *)rdn->rgRDNAttr[i].pszObjId
+ == nextData)
+ nextData += strlen(
+ rdn->rgRDNAttr[i].pszObjId) + 1;
+ ret = CRYPT_GetLen(ptr,
+ cbEncoded - (ptr - pbEncoded), &nextLen);
+ if (ret)
+ ptr += nextLen + 1 + GET_LEN_BYTES(ptr[1]);
+ }
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeName(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret = TRUE;
+
+ _SEH_TRY
+ {
+ if (pbEncoded[0] == (ASN_CONSTRUCTOR | ASN_SEQUENCEOF))
+ {
+ DWORD dataLen;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ DWORD bytesNeeded, cRDN = 0;
+ BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+
+ bytesNeeded = sizeof(CERT_NAME_INFO);
+ if (dataLen)
+ {
+ const BYTE *ptr;
+
+ for (ptr = pbEncoded + 1 + lenBytes; ret &&
+ ptr - pbEncoded - 1 - lenBytes < dataLen; )
+ {
+ DWORD size;
+
+ ret = CRYPT_AsnDecodeRdn(ptr,
+ cbEncoded - (ptr - pbEncoded), dwFlags, NULL, &size);
+ if (ret)
+ {
+ DWORD nextLen;
+
+ cRDN++;
+ bytesNeeded += size;
+ ret = CRYPT_GetLen(ptr,
+ cbEncoded - (ptr - pbEncoded), &nextLen);
+ if (ret)
+ ptr += nextLen + 1 + GET_LEN_BYTES(ptr[1]);
+ }
+ }
+ }
+ if (ret)
+ {
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if ((ret = CRYPT_DecodeEnsureSpace(dwFlags,
+ pDecodePara, pvStructInfo, pcbStructInfo, bytesNeeded)))
+ {
+ CERT_NAME_INFO *info;
+
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ pvStructInfo = *(BYTE **)pvStructInfo;
+ info = (CERT_NAME_INFO *)pvStructInfo;
+ info->cRDN = cRDN;
+ if (info->cRDN == 0)
+ info->rgRDN = NULL;
+ else
+ {
+ DWORD size, i;
+ BYTE *nextData;
+ const BYTE *ptr;
+
+ info->rgRDN = (CERT_RDN *)((BYTE *)pvStructInfo +
+ sizeof(CERT_NAME_INFO));
+ nextData = (BYTE *)info->rgRDN +
+ info->cRDN * sizeof(CERT_RDN);
+ for (i = 0, ptr = pbEncoded + 1 + lenBytes; ret &&
+ i < cRDN && ptr - pbEncoded - 1 - lenBytes <
+ dataLen; i++)
+ {
+ info->rgRDN[i].rgRDNAttr =
+ (CERT_RDN_ATTR *)nextData;
+ size = bytesNeeded;
+ ret = CRYPT_AsnDecodeRdn(ptr,
+ cbEncoded - (ptr - pbEncoded), dwFlags,
+ &info->rgRDN[i], &size);
+ if (ret)
+ {
+ DWORD nextLen;
+
+ nextData += size;
+ bytesNeeded -= size;
+ ret = CRYPT_GetLen(ptr,
+ cbEncoded - (ptr - pbEncoded), &nextLen);
+ if (ret)
+ ptr += nextLen + 1 +
+ GET_LEN_BYTES(ptr[1]);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeCopyBytes(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret = TRUE;
+ DWORD bytesNeeded = sizeof(CRYPT_OBJID_BLOB);
+
+ TRACE("%p, %ld, %08lx, %p, %p, %ld\n", pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, *pcbStructInfo);
+
+ if (!(dwFlags & CRYPT_DECODE_NOCOPY_FLAG))
+ bytesNeeded += cbEncoded;
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if (*pcbStructInfo < bytesNeeded)
+ {
+ SetLastError(ERROR_MORE_DATA);
+ *pcbStructInfo = bytesNeeded;
+ ret = FALSE;
+ }
+ else
+ {
+ PCRYPT_OBJID_BLOB blob = (PCRYPT_OBJID_BLOB)pvStructInfo;
+
+ *pcbStructInfo = bytesNeeded;
+ blob->cbData = cbEncoded;
+ if (dwFlags & CRYPT_DECODE_NOCOPY_FLAG)
+ blob->pbData = (LPBYTE)pbEncoded;
+ else
+ {
+ assert(blob->pbData);
+ memcpy(blob->pbData, pbEncoded, blob->cbData);
+ }
+ }
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeAlgorithmId(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ CRYPT_ALGORITHM_IDENTIFIER *algo =
+ (CRYPT_ALGORITHM_IDENTIFIER *)pvStructInfo;
+ BOOL ret = TRUE;
+ struct AsnDecodeSequenceItem items[] = {
+ { offsetof(CRYPT_ALGORITHM_IDENTIFIER, pszObjId),
+ CRYPT_AsnDecodeOidWrapper, sizeof(LPSTR), FALSE, TRUE,
+ offsetof(CRYPT_ALGORITHM_IDENTIFIER, pszObjId), 0 },
+ { offsetof(CRYPT_ALGORITHM_IDENTIFIER, Parameters),
+ CRYPT_AsnDecodeCopyBytes, sizeof(CRYPT_OBJID_BLOB), TRUE, TRUE,
+ offsetof(CRYPT_ALGORITHM_IDENTIFIER, Parameters.pbData), 0 },
+ };
+
+ TRACE("%p, %ld, %08lx, %p, %p, %ld\n", pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, *pcbStructInfo);
+
+ ret = CRYPT_AsnDecodeSequence(dwCertEncodingType, items,
+ sizeof(items) / sizeof(items[0]), pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, pcbStructInfo, algo ? algo->pszObjId : NULL);
+ if (ret && pvStructInfo)
+ {
+ TRACE("pszObjId is %p (%s)\n", algo->pszObjId,
+ debugstr_a(algo->pszObjId));
+ }
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodePubKeyInfo(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret = TRUE;
+
+ _SEH_TRY
+ {
+ struct AsnDecodeSequenceItem items[] = {
+ { offsetof(CERT_PUBLIC_KEY_INFO, Algorithm),
+ CRYPT_AsnDecodeAlgorithmId, sizeof(CRYPT_ALGORITHM_IDENTIFIER),
+ FALSE, TRUE, offsetof(CERT_PUBLIC_KEY_INFO,
+ Algorithm.pszObjId) },
+ { offsetof(CERT_PUBLIC_KEY_INFO, PublicKey),
+ CRYPT_AsnDecodeBitsInternal, sizeof(CRYPT_BIT_BLOB), FALSE, TRUE,
+ offsetof(CERT_PUBLIC_KEY_INFO, PublicKey.pbData) },
+ };
+
+ ret = CRYPT_AsnDecodeSequence(dwCertEncodingType, items,
+ sizeof(items) / sizeof(items[0]), pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, pcbStructInfo, NULL);
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeBool(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ if (cbEncoded < 3)
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ return FALSE;
+ }
+ if (pbEncoded[0] != ASN_BOOL)
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ return FALSE;
+ }
+ if (GET_LEN_BYTES(pbEncoded[1]) > 1)
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ return FALSE;
+ }
+ if (pbEncoded[1] > 1)
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ return FALSE;
+ }
+ if (!pvStructInfo)
+ {
+ *pcbStructInfo = sizeof(BOOL);
+ ret = TRUE;
+ }
+ else if (*pcbStructInfo < sizeof(BOOL))
+ {
+ *pcbStructInfo = sizeof(BOOL);
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ *(BOOL *)pvStructInfo = pbEncoded[2] ? TRUE : FALSE;
+ ret = TRUE;
+ }
+ TRACE("returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+static BOOL CRYPT_AsnDecodeAltNameEntry(const BYTE *pbEncoded, DWORD cbEncoded,
+ DWORD dwFlags, CERT_ALT_NAME_ENTRY *entry, DWORD *pcbEntry)
+{
+ DWORD dataLen, lenBytes, bytesNeeded = sizeof(CERT_ALT_NAME_ENTRY);
+ BOOL ret;
+
+ if (cbEncoded < 2)
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ return FALSE;
+ }
+ if ((pbEncoded[0] & ASN_FLAGS_MASK) != ASN_CONTEXT)
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ return FALSE;
+ }
+ lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+ if (1 + lenBytes > cbEncoded)
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ return FALSE;
+ }
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ switch (pbEncoded[0] & ASN_TYPE_MASK)
+ {
+ case 1: /* rfc822Name */
+ case 2: /* dNSName */
+ case 6: /* uniformResourceIdentifier */
+ bytesNeeded += (dataLen + 1) * sizeof(WCHAR);
+ break;
+ case 7: /* iPAddress */
+ bytesNeeded += dataLen;
+ break;
+ case 8: /* registeredID */
+ /* FIXME: decode as OID */
+ case 0: /* otherName */
+ case 4: /* directoryName */
+ FIXME("stub\n");
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ break;
+ case 3: /* x400Address, unimplemented */
+ case 5: /* ediPartyName, unimplemented */
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ break;
+ default:
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ if (ret)
+ {
+ if (!entry)
+ *pcbEntry = bytesNeeded;
+ else if (*pcbEntry < bytesNeeded)
+ {
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ /* MS used values one greater than the asn1 ones.. sigh */
+ entry->dwAltNameChoice = (pbEncoded[0] & 0x7f) + 1;
+ switch (pbEncoded[0] & ASN_TYPE_MASK)
+ {
+ case 1: /* rfc822Name */
+ case 2: /* dNSName */
+ case 6: /* uniformResourceIdentifier */
+ {
+ DWORD i;
+
+ for (i = 0; i < dataLen; i++)
+ entry->u.pwszURL[i] =
+ (WCHAR)pbEncoded[1 + lenBytes + i];
+ entry->u.pwszURL[i] = 0;
+ break;
+ }
+ case 7: /* iPAddress */
+ /* The next data pointer is in the pwszURL spot, that is,
+ * the first 4 bytes. Need to move it to the next spot.
+ */
+ entry->u.IPAddress.pbData = (LPBYTE)entry->u.pwszURL;
+ entry->u.IPAddress.cbData = dataLen;
+ memcpy(entry->u.IPAddress.pbData, pbEncoded + 1 + lenBytes,
+ dataLen);
+ break;
+ }
+ }
+ }
+ }
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeAltName(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret = TRUE;
+
+ _SEH_TRY
+ {
+ if (pbEncoded[0] == ASN_SEQUENCEOF)
+ {
+ DWORD dataLen;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ DWORD bytesNeeded, cEntry = 0;
+ BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+
+ bytesNeeded = sizeof(CERT_ALT_NAME_INFO);
+ if (dataLen)
+ {
+ const BYTE *ptr;
+
+ for (ptr = pbEncoded + 1 + lenBytes; ret &&
+ ptr - pbEncoded - 1 - lenBytes < dataLen; )
+ {
+ DWORD size;
+
+ ret = CRYPT_AsnDecodeAltNameEntry(ptr,
+ cbEncoded - (ptr - pbEncoded), dwFlags, NULL, &size);
+ if (ret)
+ {
+ DWORD nextLen;
+
+ cEntry++;
+ bytesNeeded += size;
+ ret = CRYPT_GetLen(ptr,
+ cbEncoded - (ptr - pbEncoded), &nextLen);
+ if (ret)
+ ptr += nextLen + 1 + GET_LEN_BYTES(ptr[1]);
+ }
+ }
+ }
+ if (ret)
+ {
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if ((ret = CRYPT_DecodeEnsureSpace(dwFlags,
+ pDecodePara, pvStructInfo, pcbStructInfo, bytesNeeded)))
+ {
+ CERT_ALT_NAME_INFO *info;
+
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ pvStructInfo = *(BYTE **)pvStructInfo;
+ info = (CERT_ALT_NAME_INFO *)pvStructInfo;
+ info->cAltEntry = 0;
+ if (cEntry == 0)
+ info->rgAltEntry = NULL;
+ else
+ {
+ DWORD size, i;
+ BYTE *nextData;
+ const BYTE *ptr;
+
+ info->rgAltEntry =
+ (CERT_ALT_NAME_ENTRY *)((BYTE *)pvStructInfo +
+ sizeof(CERT_ALT_NAME_INFO));
+ nextData = (BYTE *)info->rgAltEntry +
+ cEntry * sizeof(CERT_ALT_NAME_ENTRY);
+ for (i = 0, ptr = pbEncoded + 1 + lenBytes; ret &&
+ i < cEntry && ptr - pbEncoded - 1 - lenBytes <
+ dataLen; i++)
+ {
+ info->rgAltEntry[i].u.pwszURL =
+ (LPWSTR)nextData;
+ size = bytesNeeded;
+ ret = CRYPT_AsnDecodeAltNameEntry(ptr,
+ cbEncoded - (ptr - pbEncoded), dwFlags,
+ &info->rgAltEntry[i], &size);
+ if (ret)
+ {
+ DWORD nextLen;
+
+ info->cAltEntry++;
+ nextData += size -
+ sizeof(CERT_ALT_NAME_ENTRY);
+ bytesNeeded -= size;
+ ret = CRYPT_GetLen(ptr,
+ cbEncoded - (ptr - pbEncoded), &nextLen);
+ if (ret)
+ ptr += nextLen + 1 +
+ GET_LEN_BYTES(ptr[1]);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+struct PATH_LEN_CONSTRAINT
+{
+ BOOL fPathLenConstraint;
+ DWORD dwPathLenConstraint;
+};
+
+static BOOL WINAPI CRYPT_AsnDecodePathLenConstraint(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret = TRUE;
+
+ if (cbEncoded)
+ {
+ if (pbEncoded[0] == ASN_INTEGER)
+ {
+ DWORD bytesNeeded = sizeof(struct PATH_LEN_CONSTRAINT);
+
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if (*pcbStructInfo < bytesNeeded)
+ {
+ SetLastError(ERROR_MORE_DATA);
+ *pcbStructInfo = bytesNeeded;
+ ret = FALSE;
+ }
+ else
+ {
+ struct PATH_LEN_CONSTRAINT *constraint =
+ (struct PATH_LEN_CONSTRAINT *)pvStructInfo;
+ DWORD size = sizeof(constraint->dwPathLenConstraint);
+
+ ret = CRYPT_AsnDecodeInt(dwCertEncodingType, X509_INTEGER,
+ pbEncoded, cbEncoded, 0, NULL,
+ &constraint->dwPathLenConstraint, &size);
+ if (ret)
+ constraint->fPathLenConstraint = TRUE;
+ TRACE("got an int, dwPathLenConstraint is %ld\n",
+ constraint->dwPathLenConstraint);
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ }
+ TRACE("returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeBasicConstraints2(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ struct AsnDecodeSequenceItem items[] = {
+ { offsetof(CERT_BASIC_CONSTRAINTS2_INFO, fCA), CRYPT_AsnDecodeBool,
+ sizeof(BOOL), TRUE, FALSE, 0, 0 },
+ { offsetof(CERT_BASIC_CONSTRAINTS2_INFO, fPathLenConstraint),
+ CRYPT_AsnDecodePathLenConstraint, sizeof(struct PATH_LEN_CONSTRAINT),
+ TRUE, FALSE, 0, 0 },
+ };
+
+ ret = CRYPT_AsnDecodeSequence(dwCertEncodingType, items,
+ sizeof(items) / sizeof(items[0]), pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, pcbStructInfo, NULL);
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+#define RSA1_MAGIC 0x31415352
+
+struct DECODED_RSA_PUB_KEY
+{
+ DWORD pubexp;
+ CRYPT_INTEGER_BLOB modulus;
+};
+
+static BOOL WINAPI CRYPT_AsnDecodeRsaPubKey(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ struct AsnDecodeSequenceItem items[] = {
+ { offsetof(struct DECODED_RSA_PUB_KEY, modulus),
+ CRYPT_AsnDecodeUnsignedIntegerInternal, sizeof(CRYPT_INTEGER_BLOB),
+ FALSE, TRUE, offsetof(struct DECODED_RSA_PUB_KEY, modulus.pbData),
+ 0 },
+ { offsetof(struct DECODED_RSA_PUB_KEY, pubexp),
+ CRYPT_AsnDecodeInt, sizeof(DWORD), FALSE, FALSE, 0, 0 },
+ };
+ struct DECODED_RSA_PUB_KEY *decodedKey = NULL;
+ DWORD size = 0;
+
+ ret = CRYPT_AsnDecodeSequence(dwCertEncodingType, items,
+ sizeof(items) / sizeof(items[0]), pbEncoded, cbEncoded,
+ CRYPT_DECODE_ALLOC_FLAG, NULL, &decodedKey, &size, NULL);
+ if (ret)
+ {
+ DWORD bytesNeeded = sizeof(BLOBHEADER) + sizeof(RSAPUBKEY) +
+ decodedKey->modulus.cbData;
+
+ if (!pvStructInfo)
+ {
+ *pcbStructInfo = bytesNeeded;
+ ret = TRUE;
+ }
+ else if ((ret = CRYPT_DecodeEnsureSpace(dwFlags, pDecodePara,
+ pvStructInfo, pcbStructInfo, bytesNeeded)))
+ {
+ BLOBHEADER *hdr;
+ RSAPUBKEY *rsaPubKey;
+
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ pvStructInfo = *(BYTE **)pvStructInfo;
+ hdr = (BLOBHEADER *)pvStructInfo;
+ hdr->bType = PUBLICKEYBLOB;
+ hdr->bVersion = CUR_BLOB_VERSION;
+ hdr->reserved = 0;
+ hdr->aiKeyAlg = CALG_RSA_KEYX;
+ rsaPubKey = (RSAPUBKEY *)((BYTE *)pvStructInfo +
+ sizeof(BLOBHEADER));
+ rsaPubKey->magic = RSA1_MAGIC;
+ rsaPubKey->pubexp = decodedKey->pubexp;
+ rsaPubKey->bitlen = decodedKey->modulus.cbData * 8;
+ memcpy((BYTE *)pvStructInfo + sizeof(BLOBHEADER) +
+ sizeof(RSAPUBKEY), decodedKey->modulus.pbData,
+ decodedKey->modulus.cbData);
+ }
+ LocalFree(decodedKey);
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeOctetsInternal(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ TRACE("%p, %ld, %08lx, %p, %p, %ld\n", pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, *pcbStructInfo);
+
+ if (pbEncoded[0] == ASN_OCTETSTRING)
+ {
+ DWORD bytesNeeded, dataLen;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ if (dwFlags & CRYPT_DECODE_NOCOPY_FLAG)
+ bytesNeeded = sizeof(CRYPT_DATA_BLOB);
+ else
+ bytesNeeded = dataLen + sizeof(CRYPT_DATA_BLOB);
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if (*pcbStructInfo < bytesNeeded)
+ {
+ SetLastError(ERROR_MORE_DATA);
+ *pcbStructInfo = bytesNeeded;
+ ret = FALSE;
+ }
+ else
+ {
+ CRYPT_DATA_BLOB *blob;
+ BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+
+ blob = (CRYPT_DATA_BLOB *)pvStructInfo;
+ blob->cbData = dataLen;
+ if (dwFlags & CRYPT_DECODE_NOCOPY_FLAG)
+ blob->pbData = (BYTE *)pbEncoded + 1 + lenBytes;
+ else
+ {
+ assert(blob->pbData);
+ if (blob->cbData)
+ memcpy(blob->pbData, pbEncoded + 1 + lenBytes,
+ blob->cbData);
+ }
+ }
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeOctets(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ TRACE("%p, %ld, %08lx, %p, %p, %ld\n", pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, *pcbStructInfo);
+
+ _SEH_TRY
+ {
+ DWORD bytesNeeded;
+
+ if ((ret = CRYPT_AsnDecodeOctetsInternal(dwCertEncodingType,
+ lpszStructType, pbEncoded, cbEncoded,
+ dwFlags & ~CRYPT_DECODE_ALLOC_FLAG, NULL, NULL, &bytesNeeded)))
+ {
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if ((ret = CRYPT_DecodeEnsureSpace(dwFlags, pDecodePara,
+ pvStructInfo, pcbStructInfo, bytesNeeded)))
+ {
+ CRYPT_DATA_BLOB *blob;
+
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ pvStructInfo = *(BYTE **)pvStructInfo;
+ blob = (CRYPT_DATA_BLOB *)pvStructInfo;
+ blob->pbData = (BYTE *)pvStructInfo + sizeof(CRYPT_DATA_BLOB);
+ ret = CRYPT_AsnDecodeOctetsInternal(dwCertEncodingType,
+ lpszStructType, pbEncoded, cbEncoded,
+ dwFlags & ~CRYPT_DECODE_ALLOC_FLAG, NULL, pvStructInfo,
+ &bytesNeeded);
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeBitsInternal(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ TRACE("(%p, %ld, 0x%08lx, %p, %p, %ld)\n", pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, *pcbStructInfo);
+
+ if (pbEncoded[0] == ASN_BITSTRING)
+ {
+ DWORD bytesNeeded, dataLen;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ if (dwFlags & CRYPT_DECODE_NOCOPY_FLAG)
+ bytesNeeded = sizeof(CRYPT_BIT_BLOB);
+ else
+ bytesNeeded = dataLen - 1 + sizeof(CRYPT_BIT_BLOB);
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if (*pcbStructInfo < bytesNeeded)
+ {
+ *pcbStructInfo = bytesNeeded;
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ CRYPT_BIT_BLOB *blob;
+
+ blob = (CRYPT_BIT_BLOB *)pvStructInfo;
+ blob->cbData = dataLen - 1;
+ blob->cUnusedBits = *(pbEncoded + 1 +
+ GET_LEN_BYTES(pbEncoded[1]));
+ if (dwFlags & CRYPT_DECODE_NOCOPY_FLAG)
+ {
+ blob->pbData = (BYTE *)pbEncoded + 2 +
+ GET_LEN_BYTES(pbEncoded[1]);
+ }
+ else
+ {
+ assert(blob->pbData);
+ if (blob->cbData)
+ {
+ BYTE mask = 0xff << blob->cUnusedBits;
+
+ memcpy(blob->pbData, pbEncoded + 2 +
+ GET_LEN_BYTES(pbEncoded[1]), blob->cbData);
+ blob->pbData[blob->cbData - 1] &= mask;
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ TRACE("returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeBits(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ TRACE("(%p, %ld, 0x%08lx, %p, %p, %p)\n", pbEncoded, cbEncoded, dwFlags,
+ pDecodePara, pvStructInfo, pcbStructInfo);
+
+ _SEH_TRY
+ {
+ DWORD bytesNeeded;
+
+ if ((ret = CRYPT_AsnDecodeBitsInternal(dwCertEncodingType,
+ lpszStructType, pbEncoded, cbEncoded,
+ dwFlags & ~CRYPT_DECODE_ALLOC_FLAG, NULL, NULL, &bytesNeeded)))
+ {
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if ((ret = CRYPT_DecodeEnsureSpace(dwFlags, pDecodePara,
+ pvStructInfo, pcbStructInfo, bytesNeeded)))
+ {
+ CRYPT_BIT_BLOB *blob;
+
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ pvStructInfo = *(BYTE **)pvStructInfo;
+ blob = (CRYPT_BIT_BLOB *)pvStructInfo;
+ blob->pbData = (BYTE *)pvStructInfo + sizeof(CRYPT_BIT_BLOB);
+ ret = CRYPT_AsnDecodeBitsInternal(dwCertEncodingType,
+ lpszStructType, pbEncoded, cbEncoded,
+ dwFlags & ~CRYPT_DECODE_ALLOC_FLAG, NULL, pvStructInfo,
+ &bytesNeeded);
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ TRACE("returning %d (%08lx)\n", ret, GetLastError());
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeInt(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ if (!pvStructInfo)
+ {
+ *pcbStructInfo = sizeof(int);
+ return TRUE;
+ }
+ _SEH_TRY
+ {
+ BYTE buf[sizeof(CRYPT_INTEGER_BLOB) + sizeof(int)];
+ CRYPT_INTEGER_BLOB *blob = (CRYPT_INTEGER_BLOB *)buf;
+ DWORD size = sizeof(buf);
+
+ blob->pbData = buf + sizeof(CRYPT_INTEGER_BLOB);
+ ret = CRYPT_AsnDecodeIntegerInternal(dwCertEncodingType,
+ X509_MULTI_BYTE_INTEGER, pbEncoded, cbEncoded, 0, NULL, &buf, &size);
+ if (ret)
+ {
+ if ((ret = CRYPT_DecodeEnsureSpace(dwFlags, pDecodePara,
+ pvStructInfo, pcbStructInfo, sizeof(int))))
+ {
+ int val, i;
+
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ pvStructInfo = *(BYTE **)pvStructInfo;
+ if (blob->pbData[blob->cbData - 1] & 0x80)
+ {
+ /* initialize to a negative value to sign-extend */
+ val = -1;
+ }
+ else
+ val = 0;
+ for (i = 0; i < blob->cbData; i++)
+ {
+ val <<= 8;
+ val |= blob->pbData[blob->cbData - i - 1];
+ }
+ memcpy(pvStructInfo, &val, sizeof(int));
+ }
+ }
+ else if (GetLastError() == ERROR_MORE_DATA)
+ SetLastError(CRYPT_E_ASN1_LARGE);
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeIntegerInternal(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ if (pbEncoded[0] == ASN_INTEGER)
+ {
+ DWORD bytesNeeded, dataLen;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+
+ bytesNeeded = dataLen + sizeof(CRYPT_INTEGER_BLOB);
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if (*pcbStructInfo < bytesNeeded)
+ {
+ *pcbStructInfo = bytesNeeded;
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ CRYPT_INTEGER_BLOB *blob = (CRYPT_INTEGER_BLOB *)pvStructInfo;
+
+ blob->cbData = dataLen;
+ assert(blob->pbData);
+ if (blob->cbData)
+ {
+ DWORD i;
+
+ for (i = 0; i < blob->cbData; i++)
+ {
+ blob->pbData[i] = *(pbEncoded + 1 + lenBytes +
+ dataLen - i - 1);
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeInteger(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ DWORD bytesNeeded;
+
+ if ((ret = CRYPT_AsnDecodeIntegerInternal(dwCertEncodingType,
+ lpszStructType, pbEncoded, cbEncoded,
+ dwFlags & ~CRYPT_ENCODE_ALLOC_FLAG, NULL, NULL, &bytesNeeded)))
+ {
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if ((ret = CRYPT_DecodeEnsureSpace(dwFlags, pDecodePara,
+ pvStructInfo, pcbStructInfo, bytesNeeded)))
+ {
+ CRYPT_INTEGER_BLOB *blob;
+
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ pvStructInfo = *(BYTE **)pvStructInfo;
+ blob = (CRYPT_INTEGER_BLOB *)pvStructInfo;
+ blob->pbData = (BYTE *)pvStructInfo +
+ sizeof(CRYPT_INTEGER_BLOB);
+ ret = CRYPT_AsnDecodeIntegerInternal(dwCertEncodingType,
+ lpszStructType, pbEncoded, cbEncoded,
+ dwFlags & ~CRYPT_ENCODE_ALLOC_FLAG, NULL, pvStructInfo,
+ &bytesNeeded);
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeUnsignedIntegerInternal(
+ DWORD dwCertEncodingType, LPCSTR lpszStructType, const BYTE *pbEncoded,
+ DWORD cbEncoded, DWORD dwFlags, PCRYPT_DECODE_PARA pDecodePara,
+ void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ if (pbEncoded[0] == ASN_INTEGER)
+ {
+ DWORD bytesNeeded, dataLen;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ BYTE lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+
+ bytesNeeded = dataLen + sizeof(CRYPT_INTEGER_BLOB);
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if (*pcbStructInfo < bytesNeeded)
+ {
+ *pcbStructInfo = bytesNeeded;
+ SetLastError(ERROR_MORE_DATA);
+ ret = FALSE;
+ }
+ else
+ {
+ CRYPT_INTEGER_BLOB *blob = (CRYPT_INTEGER_BLOB *)pvStructInfo;
+
+ blob->cbData = dataLen;
+ assert(blob->pbData);
+ /* remove leading zero byte if it exists */
+ if (blob->cbData && *(pbEncoded + 1 + lenBytes) == 0)
+ {
+ blob->cbData--;
+ blob->pbData++;
+ }
+ if (blob->cbData)
+ {
+ DWORD i;
+
+ for (i = 0; i < blob->cbData; i++)
+ {
+ blob->pbData[i] = *(pbEncoded + 1 + lenBytes +
+ dataLen - i - 1);
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeUnsignedInteger(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ DWORD bytesNeeded;
+
+ if ((ret = CRYPT_AsnDecodeUnsignedIntegerInternal(dwCertEncodingType,
+ lpszStructType, pbEncoded, cbEncoded,
+ dwFlags & ~CRYPT_ENCODE_ALLOC_FLAG, NULL, NULL, &bytesNeeded)))
+ {
+ if (!pvStructInfo)
+ *pcbStructInfo = bytesNeeded;
+ else if ((ret = CRYPT_DecodeEnsureSpace(dwFlags, pDecodePara,
+ pvStructInfo, pcbStructInfo, bytesNeeded)))
+ {
+ CRYPT_INTEGER_BLOB *blob;
+
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ pvStructInfo = *(BYTE **)pvStructInfo;
+ blob = (CRYPT_INTEGER_BLOB *)pvStructInfo;
+ blob->pbData = (BYTE *)pvStructInfo +
+ sizeof(CRYPT_INTEGER_BLOB);
+ ret = CRYPT_AsnDecodeUnsignedIntegerInternal(dwCertEncodingType,
+ lpszStructType, pbEncoded, cbEncoded,
+ dwFlags & ~CRYPT_ENCODE_ALLOC_FLAG, NULL, pvStructInfo,
+ &bytesNeeded);
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeEnumerated(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ if (!pvStructInfo)
+ {
+ *pcbStructInfo = sizeof(int);
+ return TRUE;
+ }
+ _SEH_TRY
+ {
+ if (pbEncoded[0] == ASN_ENUMERATED)
+ {
+ unsigned int val = 0, i;
+
+ if (cbEncoded <= 1)
+ {
+ SetLastError(CRYPT_E_ASN1_EOD);
+ ret = FALSE;
+ }
+ else if (pbEncoded[1] == 0)
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ else
+ {
+ /* A little strange looking, but we have to accept a sign byte:
+ * 0xffffffff gets encoded as 0a 05 00 ff ff ff ff. Also,
+ * assuming a small length is okay here, it has to be in short
+ * form.
+ */
+ if (pbEncoded[1] > sizeof(unsigned int) + 1)
+ {
+ SetLastError(CRYPT_E_ASN1_LARGE);
+ return FALSE;
+ }
+ for (i = 0; i < pbEncoded[1]; i++)
+ {
+ val <<= 8;
+ val |= pbEncoded[2 + i];
+ }
+ if ((ret = CRYPT_DecodeEnsureSpace(dwFlags, pDecodePara,
+ pvStructInfo, pcbStructInfo, sizeof(unsigned int))))
+ {
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ pvStructInfo = *(BYTE **)pvStructInfo;
+ memcpy(pvStructInfo, &val, sizeof(unsigned int));
+ }
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+/* Modifies word, pbEncoded, and len, and magically sets a value ret to FALSE
+ * if it fails.
+ */
+#define CRYPT_TIME_GET_DIGITS(pbEncoded, len, numDigits, word) \
+ do { \
+ BYTE i; \
+ \
+ (word) = 0; \
+ for (i = 0; (len) > 0 && i < (numDigits); i++, (len)--) \
+ { \
+ if (!isdigit(*(pbEncoded))) \
+ { \
+ SetLastError(CRYPT_E_ASN1_CORRUPT); \
+ ret = FALSE; \
+ } \
+ else \
+ { \
+ (word) *= 10; \
+ (word) += *(pbEncoded)++ - '0'; \
+ } \
+ } \
+ } while (0)
+
+static BOOL CRYPT_AsnDecodeTimeZone(const BYTE *pbEncoded, DWORD len,
+ SYSTEMTIME *sysTime)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ ret = TRUE;
+ if (len >= 3 && (*pbEncoded == '+' || *pbEncoded == '-'))
+ {
+ WORD hours, minutes = 0;
+ BYTE sign = *pbEncoded++;
+
+ len--;
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, 2, hours);
+ if (ret && hours >= 24)
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ else if (len >= 2)
+ {
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, 2, minutes);
+ if (ret && minutes >= 60)
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ }
+ if (ret)
+ {
+ if (sign == '+')
+ {
+ sysTime->wHour += hours;
+ sysTime->wMinute += minutes;
+ }
+ else
+ {
+ if (hours > sysTime->wHour)
+ {
+ sysTime->wDay--;
+ sysTime->wHour = 24 - (hours - sysTime->wHour);
+ }
+ else
+ sysTime->wHour -= hours;
+ if (minutes > sysTime->wMinute)
+ {
+ sysTime->wHour--;
+ sysTime->wMinute = 60 - (minutes - sysTime->wMinute);
+ }
+ else
+ sysTime->wMinute -= minutes;
+ }
+ }
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+#define MIN_ENCODED_TIME_LENGTH 10
+
+static BOOL WINAPI CRYPT_AsnDecodeUtcTime(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ if (!pvStructInfo)
+ {
+ *pcbStructInfo = sizeof(FILETIME);
+ return TRUE;
+ }
+ _SEH_TRY
+ {
+ ret = TRUE;
+ if (pbEncoded[0] == ASN_UTCTIME)
+ {
+ if (cbEncoded <= 1)
+ {
+ SetLastError(CRYPT_E_ASN1_EOD);
+ ret = FALSE;
+ }
+ else if (pbEncoded[1] > 0x7f)
+ {
+ /* long-form date strings really can't be valid */
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ else
+ {
+ SYSTEMTIME sysTime = { 0 };
+ BYTE len = pbEncoded[1];
+
+ if (len < MIN_ENCODED_TIME_LENGTH)
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ else
+ {
+ pbEncoded += 2;
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, 2, sysTime.wYear);
+ if (sysTime.wYear >= 50)
+ sysTime.wYear += 1900;
+ else
+ sysTime.wYear += 2000;
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, 2, sysTime.wMonth);
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, 2, sysTime.wDay);
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, 2, sysTime.wHour);
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, 2, sysTime.wMinute);
+ if (ret && len > 0)
+ {
+ if (len >= 2 && isdigit(*pbEncoded) &&
+ isdigit(*(pbEncoded + 1)))
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, 2,
+ sysTime.wSecond);
+ else if (isdigit(*pbEncoded))
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, 1,
+ sysTime.wSecond);
+ if (ret)
+ ret = CRYPT_AsnDecodeTimeZone(pbEncoded, len,
+ &sysTime);
+ }
+ if (ret && (ret = CRYPT_DecodeEnsureSpace(dwFlags,
+ pDecodePara, pvStructInfo, pcbStructInfo,
+ sizeof(FILETIME))))
+ {
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ pvStructInfo = *(BYTE **)pvStructInfo;
+ ret = SystemTimeToFileTime(&sysTime,
+ (FILETIME *)pvStructInfo);
+ }
+ }
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeGeneralizedTime(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ if (!pvStructInfo)
+ {
+ *pcbStructInfo = sizeof(FILETIME);
+ return TRUE;
+ }
+ _SEH_TRY
+ {
+ ret = TRUE;
+ if (pbEncoded[0] == ASN_GENERALTIME)
+ {
+ if (cbEncoded <= 1)
+ {
+ SetLastError(CRYPT_E_ASN1_EOD);
+ ret = FALSE;
+ }
+ else if (pbEncoded[1] > 0x7f)
+ {
+ /* long-form date strings really can't be valid */
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ else
+ {
+ BYTE len = pbEncoded[1];
+
+ if (len < MIN_ENCODED_TIME_LENGTH)
+ {
+ SetLastError(CRYPT_E_ASN1_CORRUPT);
+ ret = FALSE;
+ }
+ else
+ {
+ SYSTEMTIME sysTime = { 0 };
+
+ pbEncoded += 2;
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, 4, sysTime.wYear);
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, 2, sysTime.wMonth);
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, 2, sysTime.wDay);
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, 2, sysTime.wHour);
+ if (ret && len > 0)
+ {
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, 2,
+ sysTime.wMinute);
+ if (ret && len > 0)
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, 2,
+ sysTime.wSecond);
+ if (ret && len > 0 && (*pbEncoded == '.' ||
+ *pbEncoded == ','))
+ {
+ BYTE digits;
+
+ pbEncoded++;
+ len--;
+ /* workaround macro weirdness */
+ digits = min(len, 3);
+ CRYPT_TIME_GET_DIGITS(pbEncoded, len, digits,
+ sysTime.wMilliseconds);
+ }
+ if (ret)
+ ret = CRYPT_AsnDecodeTimeZone(pbEncoded, len,
+ &sysTime);
+ }
+ if (ret && (ret = CRYPT_DecodeEnsureSpace(dwFlags,
+ pDecodePara, pvStructInfo, pcbStructInfo,
+ sizeof(FILETIME))))
+ {
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ pvStructInfo = *(BYTE **)pvStructInfo;
+ ret = SystemTimeToFileTime(&sysTime,
+ (FILETIME *)pvStructInfo);
+ }
+ }
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeChoiceOfTime(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret;
+
+ _SEH_TRY
+ {
+ if (pbEncoded[0] == ASN_UTCTIME)
+ ret = CRYPT_AsnDecodeUtcTime(dwCertEncodingType, lpszStructType,
+ pbEncoded, cbEncoded, dwFlags, pDecodePara, pvStructInfo,
+ pcbStructInfo);
+ else if (pbEncoded[0] == ASN_GENERALTIME)
+ ret = CRYPT_AsnDecodeGeneralizedTime(dwCertEncodingType,
+ lpszStructType, pbEncoded, cbEncoded, dwFlags, pDecodePara,
+ pvStructInfo, pcbStructInfo);
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ ret = FALSE;
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+static BOOL WINAPI CRYPT_AsnDecodeSequenceOfAny(DWORD dwCertEncodingType,
+ LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret = TRUE;
+
+ _SEH_TRY
+ {
+ if (pbEncoded[0] == ASN_SEQUENCEOF)
+ {
+ DWORD bytesNeeded, dataLen, remainingLen, cValue;
+
+ if ((ret = CRYPT_GetLen(pbEncoded, cbEncoded, &dataLen)))
+ {
+ BYTE lenBytes;
+ const BYTE *ptr;
+
+ lenBytes = GET_LEN_BYTES(pbEncoded[1]);
+ bytesNeeded = sizeof(CRYPT_SEQUENCE_OF_ANY);
+ cValue = 0;
+ ptr = pbEncoded + 1 + lenBytes;
+ remainingLen = dataLen;
+ while (ret && remainingLen)
+ {
+ DWORD nextLen;
+
+ ret = CRYPT_GetLen(ptr, remainingLen, &nextLen);
+ if (ret)
+ {
+ DWORD nextLenBytes = GET_LEN_BYTES(ptr[1]);
+
+ remainingLen -= 1 + nextLenBytes + nextLen;
+ ptr += 1 + nextLenBytes + nextLen;
+ bytesNeeded += sizeof(CRYPT_DER_BLOB);
+ if (!(dwFlags & CRYPT_DECODE_NOCOPY_FLAG))
+ bytesNeeded += 1 + nextLenBytes + nextLen;
+ cValue++;
+ }
+ }
+ if (ret)
+ {
+ CRYPT_SEQUENCE_OF_ANY *seq;
+ BYTE *nextPtr;
+ DWORD i;
+
+ if ((ret = CRYPT_DecodeEnsureSpace(dwFlags, pDecodePara,
+ pvStructInfo, pcbStructInfo, bytesNeeded)))
+ {
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)
+ pvStructInfo = *(BYTE **)pvStructInfo;
+ seq = (CRYPT_SEQUENCE_OF_ANY *)pvStructInfo;
+ seq->cValue = cValue;
+ seq->rgValue = (CRYPT_DER_BLOB *)((BYTE *)seq +
+ sizeof(*seq));
+ nextPtr = (BYTE *)seq->rgValue +
+ cValue * sizeof(CRYPT_DER_BLOB);
+ ptr = pbEncoded + 1 + lenBytes;
+ remainingLen = dataLen;
+ i = 0;
+ while (ret && remainingLen)
+ {
+ DWORD nextLen;
+
+ ret = CRYPT_GetLen(ptr, remainingLen, &nextLen);
+ if (ret)
+ {
+ DWORD nextLenBytes = GET_LEN_BYTES(ptr[1]);
+
+ seq->rgValue[i].cbData = 1 + nextLenBytes +
+ nextLen;
+ if (dwFlags & CRYPT_DECODE_NOCOPY_FLAG)
+ seq->rgValue[i].pbData = (BYTE *)ptr;
+ else
+ {
+ seq->rgValue[i].pbData = nextPtr;
+ memcpy(nextPtr, ptr, 1 + nextLenBytes +
+ nextLen);
+ nextPtr += 1 + nextLenBytes + nextLen;
+ }
+ remainingLen -= 1 + nextLenBytes + nextLen;
+ ptr += 1 + nextLenBytes + nextLen;
+ i++;
+ }
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ SetLastError(CRYPT_E_ASN1_BADTAG);
+ return FALSE;
+ }
+ }
+ _SEH_EXCEPT(page_fault)
+ {
+ SetLastError(STATUS_ACCESS_VIOLATION);
+ ret = FALSE;
+ }
+ _SEH_END
+ return ret;
+}
+
+BOOL WINAPI CryptDecodeObjectEx(DWORD dwCertEncodingType, LPCSTR lpszStructType,
+ const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
+ PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
+{
+ BOOL ret = FALSE;
+ HMODULE lib = NULL;
+ CryptDecodeObjectExFunc decodeFunc = NULL;
+
+ TRACE("(0x%08lx, %s, %p, %ld, 0x%08lx, %p, %p, %p)\n",
+ dwCertEncodingType, debugstr_a(lpszStructType), pbEncoded,
+ cbEncoded, dwFlags, pDecodePara, pvStructInfo, pcbStructInfo);
+
+ if (!pvStructInfo && !pcbStructInfo)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+ if ((dwCertEncodingType & CERT_ENCODING_TYPE_MASK) != X509_ASN_ENCODING
+ && (dwCertEncodingType & CMSG_ENCODING_TYPE_MASK) != PKCS_7_ASN_ENCODING)
+ {
+ SetLastError(ERROR_FILE_NOT_FOUND);
+ return FALSE;
+ }
+ if (!cbEncoded)
+ {
+ SetLastError(CRYPT_E_ASN1_EOD);
+ return FALSE;
+ }
+ if (cbEncoded > MAX_ENCODED_LEN)
+ {
+ SetLastError(CRYPT_E_ASN1_LARGE);
+ return FALSE;
+ }
+
+ SetLastError(NOERROR);
+ if (dwFlags & CRYPT_DECODE_ALLOC_FLAG && pvStructInfo)
+ *(BYTE **)pvStructInfo = NULL;
+ if (!HIWORD(lpszStructType))
+ {
+ switch (LOWORD(lpszStructType))
+ {
+ case (WORD)X509_CERT:
+ decodeFunc = CRYPT_AsnDecodeCert;
+ break;
+ case (WORD)X509_CERT_TO_BE_SIGNED:
+ decodeFunc = CRYPT_AsnDecodeCertInfo;
+ break;
+ case (WORD)X509_CERT_CRL_TO_BE_SIGNED:
+ decodeFunc = CRYPT_AsnDecodeCRLInfo;
+ break;
+ case (WORD)X509_EXTENSIONS:
+ decodeFunc = CRYPT_AsnDecodeExtensions;
+ break;
+ case (WORD)X509_NAME:
+ decodeFunc = CRYPT_AsnDecodeName;
+ break;
+ case (WORD)X509_PUBLIC_KEY_INFO:
+ decodeFunc = CRYPT_AsnDecodePubKeyInfo;
+ break;
+ case (WORD)X509_ALTERNATE_NAME:
+ decodeFunc = CRYPT_AsnDecodeAltName;
+ break;
+ case (WORD)X509_BASIC_CONSTRAINTS2:
+ decodeFunc = CRYPT_AsnDecodeBasicConstraints2;
+ break;
+ case (WORD)RSA_CSP_PUBLICKEYBLOB:
+ decodeFunc = CRYPT_AsnDecodeRsaPubKey;
+ break;
+ case (WORD)X509_OCTET_STRING:
+ decodeFunc = CRYPT_AsnDecodeOctets;
+ break;
+ case (WORD)X509_BITS:
+ case (WORD)X509_KEY_USAGE:
+ decodeFunc = CRYPT_AsnDecodeBits;
+ break;
+ case (WORD)X509_INTEGER:
+ decodeFunc = CRYPT_AsnDecodeInt;
+ break;
+ case (WORD)X509_MULTI_BYTE_INTEGER:
+ decodeFunc = CRYPT_AsnDecodeInteger;
+ break;
+ case (WORD)X509_MULTI_BYTE_UINT:
+ decodeFunc = CRYPT_AsnDecodeUnsignedInteger;
+ break;
+ case (WORD)X509_ENUMERATED:
+ decodeFunc = CRYPT_AsnDecodeEnumerated;
+ break;
+ case (WORD)X509_CHOICE_OF_TIME:
+ decodeFunc = CRYPT_AsnDecodeChoiceOfTime;
+ break;
+ case (WORD)X509_SEQUENCE_OF_ANY:
+ decodeFunc = CRYPT_AsnDecodeSequenceOfAny;
+ break;
+ case (WORD)PKCS_UTC_TIME:
+ decodeFunc = CRYPT_AsnDecodeUtcTime;
+ break;
+ default:
+ FIXME("%d: unimplemented\n", LOWORD(lpszStructType));
+ }
+ }
+ else if (!strcmp(lpszStructType, szOID_CERT_EXTENSIONS))
+ decodeFunc = CRYPT_AsnDecodeExtensions;
+ else if (!strcmp(lpszStructType, szOID_RSA_signingTime))
+ decodeFunc = CRYPT_AsnDecodeUtcTime;
+ else if (!strcmp(lpszStructType, szOID_CRL_REASON_CODE))
+ decodeFunc = CRYPT_AsnDecodeEnumerated;
+ else if (!strcmp(lpszStructType, szOID_KEY_USAGE))
+ decodeFunc = CRYPT_AsnDecodeBits;
+ else if (!strcmp(lpszStructType, szOID_SUBJECT_KEY_IDENTIFIER))
+ decodeFunc = CRYPT_AsnDecodeOctets;
+ else if (!strcmp(lpszStructType, szOID_BASIC_CONSTRAINTS2))
+ decodeFunc = CRYPT_AsnDecodeBasicConstraints2;
+ else if (!strcmp(lpszStructType, szOID_ISSUER_ALT_NAME))
+ decodeFunc = CRYPT_AsnDecodeAltName;
+ else if (!strcmp(lpszStructType, szOID_ISSUER_ALT_NAME2))
+ decodeFunc = CRYPT_AsnDecodeAltName;
+ else if (!strcmp(lpszStructType, szOID_NEXT_UPDATE_LOCATION))
+ decodeFunc = CRYPT_AsnDecodeAltName;
+ else if (!strcmp(lpszStructType, szOID_SUBJECT_ALT_NAME))
+ decodeFunc = CRYPT_AsnDecodeAltName;
+ else if (!strcmp(lpszStructType, szOID_SUBJECT_ALT_NAME2))
+ decodeFunc = CRYPT_AsnDecodeAltName;
+ else
+ TRACE("OID %s not found or unimplemented, looking for DLL\n",
+ debugstr_a(lpszStructType));
+ if (!decodeFunc)
+ decodeFunc = (CryptDecodeObjectExFunc)CRYPT_GetFunc(dwCertEncodingType,
+ lpszStructType, CRYPT_OID_DECODE_OBJECT_EX_FUNC, &lib);
+ if (decodeFunc)
+ ret = decodeFunc(dwCertEncodingType, lpszStructType, pbEncoded,
+ cbEncoded, dwFlags, pDecodePara, pvStructInfo, pcbStructInfo);
+ else
+ SetLastError(ERROR_FILE_NOT_FOUND);
+ if (lib)
+ FreeLibrary(lib);
+ return ret;
+}
+
+BOOL WINAPI CryptExportPublicKeyInfo(HCRYPTPROV hCryptProv, DWORD dwKeySpec,
+ DWORD dwCertEncodingType, PCERT_PUBLIC_KEY_INFO pInfo, DWORD *pcbInfo)
+{
+ return CryptExportPublicKeyInfoEx(hCryptProv, dwKeySpec, dwCertEncodingType,
+ NULL, 0, NULL, pInfo, pcbInfo);
+}
+
+static BOOL WINAPI CRYPT_ExportRsaPublicKeyInfoEx(HCRYPTPROV hCryptProv,
+ DWORD dwKeySpec, DWORD dwCertEncodingType, LPSTR pszPublicKeyObjId,
+ DWORD dwFlags, void *pvAuxInfo, PCERT_PUBLIC_KEY_INFO pInfo, DWORD *pcbInfo)
+{
+ BOOL ret;
+ HCRYPTKEY key;
+
+ TRACE("(%ld, %ld, %08lx, %s, %08lx, %p, %p, %p)\n", hCryptProv, dwKeySpec,
+ dwCertEncodingType, debugstr_a(pszPublicKeyObjId), dwFlags, pvAuxInfo,
+ pInfo, pcbInfo);
+
+ if (!pszPublicKeyObjId)
+ pszPublicKeyObjId = szOID_RSA_RSA;
+ if ((ret = CryptGetUserKey(hCryptProv, dwKeySpec, &key)))
+ {
+ DWORD keySize = 0;
+
+ ret = CryptExportKey(key, 0, PUBLICKEYBLOB, 0, NULL, &keySize);
+ if (ret)
+ {
+ LPBYTE pubKey = CryptMemAlloc(keySize);
+
+ if (pubKey)
+ {
+ ret = CryptExportKey(key, 0, PUBLICKEYBLOB, 0, pubKey,
+ &keySize);
+ if (ret)
+ {
+ DWORD encodedLen = 0;
+
+ ret = CryptEncodeObject(dwCertEncodingType,
+ RSA_CSP_PUBLICKEYBLOB, pubKey, NULL, &encodedLen);
+ if (ret)
+ {
+ DWORD sizeNeeded = sizeof(CERT_PUBLIC_KEY_INFO) +
+ strlen(pszPublicKeyObjId) + 1 + encodedLen;
+
+ if (!pInfo)
+ *pcbInfo = sizeNeeded;
+ else if (*pcbInfo < sizeNeeded)
+ {
+ SetLastError(ERROR_MORE_DATA);
+ *pcbInfo = sizeNeeded;
+ ret = FALSE;
+ }
+ else
+ {
+ pInfo->Algorithm.pszObjId = (char *)pInfo +
+ sizeof(CERT_PUBLIC_KEY_INFO);
+ lstrcpyA(pInfo->Algorithm.pszObjId,
+ pszPublicKeyObjId);
+ pInfo->Algorithm.Parameters.cbData = 0;
+ pInfo->Algorithm.Parameters.pbData = NULL;
+ pInfo->PublicKey.pbData =
+ (BYTE *)pInfo->Algorithm.pszObjId
+ + lstrlenA(pInfo->Algorithm.pszObjId) + 1;
+ pInfo->PublicKey.cbData = encodedLen;
+ pInfo->PublicKey.cUnusedBits = 0;
+ ret = CryptEncodeObject(dwCertEncodingType,
+ RSA_CSP_PUBLICKEYBLOB, pubKey,
+ pInfo->PublicKey.pbData, &pInfo->PublicKey.cbData);
+ }
+ }
+ }
+ CryptMemFree(pubKey);
+ }
+ else
+ ret = FALSE;
+ }
+ CryptDestroyKey(key);
+ }
+ return ret;
+}
+
+typedef BOOL (WINAPI *ExportPublicKeyInfoExFunc)(HCRYPTPROV hCryptProv,
+ DWORD dwKeySpec, DWORD dwCertEncodingType, LPSTR pszPublicKeyObjId,
+ DWORD dwFlags, void *pvAuxInfo, PCERT_PUBLIC_KEY_INFO pInfo, DWORD *pcbInfo);
+
+BOOL WINAPI CryptExportPublicKeyInfoEx(HCRYPTPROV hCryptProv, DWORD dwKeySpec,
+ DWORD dwCertEncodingType, LPSTR pszPublicKeyObjId, DWORD dwFlags,
+ void *pvAuxInfo, PCERT_PUBLIC_KEY_INFO pInfo, DWORD *pcbInfo)
+{
+ BOOL ret;
+ ExportPublicKeyInfoExFunc exportFunc = NULL;
+ HMODULE lib = NULL;
+
+ TRACE("(%ld, %ld, %08lx, %s, %08lx, %p, %p, %p)\n", hCryptProv, dwKeySpec,
+ dwCertEncodingType, debugstr_a(pszPublicKeyObjId), dwFlags, pvAuxInfo,
+ pInfo, pcbInfo);
+
+ if (!hCryptProv)
+ {
+ SetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ if (pszPublicKeyObjId)
+ exportFunc = CRYPT_GetFunc(dwCertEncodingType, pszPublicKeyObjId,
+ CRYPT_OID_EXPORT_PUBLIC_KEY_INFO_FUNC, &lib);
+ if (!exportFunc)
+ exportFunc = CRYPT_ExportRsaPublicKeyInfoEx;
+ ret = exportFunc(hCryptProv, dwKeySpec, dwCertEncodingType,
+ pszPublicKeyObjId, dwFlags, pvAuxInfo, pInfo, pcbInfo);
+ if (lib)
+ FreeLibrary(lib);
+ return ret;
+}
+
+BOOL WINAPI CryptImportPublicKeyInfo(HCRYPTPROV hCryptProv,
+ DWORD dwCertEncodingType, PCERT_PUBLIC_KEY_INFO pInfo, HCRYPTKEY *phKey)
+{
+ return CryptImportPublicKeyInfoEx(hCryptProv, dwCertEncodingType, pInfo,
+ 0, 0, NULL, phKey);
+}
+
+static BOOL WINAPI CRYPT_ImportRsaPublicKeyInfoEx(HCRYPTPROV hCryptProv,
+ DWORD dwCertEncodingType, PCERT_PUBLIC_KEY_INFO pInfo, ALG_ID aiKeyAlg,
+ DWORD dwFlags, void *pvAuxInfo, HCRYPTKEY *phKey)
+{
+ BOOL ret;
+ DWORD pubKeySize = 0;
+
+ TRACE("(%ld, %ld, %p, %d, %08lx, %p, %p)\n", hCryptProv,
+ dwCertEncodingType, pInfo, aiKeyAlg, dwFlags, pvAuxInfo, phKey);
+
+ ret = CryptDecodeObject(dwCertEncodingType, RSA_CSP_PUBLICKEYBLOB,
+ pInfo->PublicKey.pbData, pInfo->PublicKey.cbData, 0, NULL, &pubKeySize);
+ if (ret)
+ {
+ LPBYTE pubKey = CryptMemAlloc(pubKeySize);
+
+ if (pubKey)
+ {
+ ret = CryptDecodeObject(dwCertEncodingType, RSA_CSP_PUBLICKEYBLOB,
+ pInfo->PublicKey.pbData, pInfo->PublicKey.cbData, 0, pubKey,
+ &pubKeySize);
+ if (ret)
+ ret = CryptImportKey(hCryptProv, pubKey, pubKeySize, 0, 0,
+ phKey);
+ CryptMemFree(pubKey);
+ }
+ else
+ ret = FALSE;
+ }
+ return ret;
+}
+
+typedef BOOL (WINAPI *ImportPublicKeyInfoExFunc)(HCRYPTPROV hCryptProv,
+ DWORD dwCertEncodingType, PCERT_PUBLIC_KEY_INFO pInfo, ALG_ID aiKeyAlg,
+ DWORD dwFlags, void *pvAuxInfo, HCRYPTKEY *phKey);
+
+BOOL WINAPI CryptImportPublicKeyInfoEx(HCRYPTPROV hCryptProv,
+ DWORD dwCertEncodingType, PCERT_PUBLIC_KEY_INFO pInfo, ALG_ID aiKeyAlg,
+ DWORD dwFlags, void *pvAuxInfo, HCRYPTKEY *phKey)
+{
+ BOOL ret;
+ ImportPublicKeyInfoExFunc importFunc = NULL;
+ HMODULE lib = NULL;
+
+ TRACE("(%ld, %ld, %p, %d, %08lx, %p, %p)\n", hCryptProv,
+ dwCertEncodingType, pInfo, aiKeyAlg, dwFlags, pvAuxInfo, phKey);
+
+ importFunc = CRYPT_GetFunc(dwCertEncodingType, pInfo->Algorithm.pszObjId,
+ CRYPT_OID_IMPORT_PUBLIC_KEY_INFO_FUNC, &lib);
+ if (!importFunc)
+ importFunc = CRYPT_ImportRsaPublicKeyInfoEx;
+ ret = importFunc(hCryptProv, dwCertEncodingType, pInfo, aiKeyAlg, dwFlags,
+ pvAuxInfo, phKey);
+ if (lib)
+ FreeLibrary(lib);
+ return ret;
+}
projects / reactos.git / commitdiff