-/* $Id: sid.c,v 1.2 1999/12/26 17:22:19 ea Exp $
+/* $Id$
*
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS kernel
- * PURPOSE: Security manager
- * FILE: kernel/se/sid.c
- * PROGRAMER: David Welch <welch@cwcom.net>
- * REVISION HISTORY:
- * 26/07/98: Added stubs for security functions
+ * COPYRIGHT: See COPYING in the top level directory
+ * PROJECT: ReactOS kernel
+ * FILE: ntoskrnl/se/sid.c
+ * PURPOSE: Security manager
+ *
+ * PROGRAMMERS: David Welch <welch@cwcom.net>
*/
/* INCLUDES *****************************************************************/
-#include <ddk/ntddk.h>
+#include <ntoskrnl.h>
+#define NDEBUG
#include <internal/debug.h>
-/* FUNCTIONS ***************************************************************/
+#if defined (ALLOC_PRAGMA)
+#pragma alloc_text(INIT, SepInitSecurityIDs)
+#endif
-BOOLEAN STDCALL RtlValidSid (PSID Sid)
-{
- if ((Sid->Revision & 0xf) != 1)
- {
- return(FALSE);
- }
- if (Sid->SubAuthorityCount > 15)
- {
- return(FALSE);
- }
- return(TRUE);
-}
-ULONG STDCALL RtlLengthRequiredSid (UCHAR SubAuthorityCount)
-{
- return(sizeof(SID) + (SubAuthorityCount - 1) * sizeof(ULONG));
-}
+/* GLOBALS ******************************************************************/
-NTSTATUS STDCALL RtlInitializeSid (PSID Sid,
- PSID_IDENTIFIER_AUTHORITY IdentifierAuthority,
- UCHAR SubAuthorityCount)
-{
- Sid->Revision = 1;
- Sid->SubAuthorityCount = SubAuthorityCount;
- memcpy(&Sid->IdentifierAuthority, IdentifierAuthority,
- sizeof(SID_IDENTIFIER_AUTHORITY));
- return(STATUS_SUCCESS);
-}
+SID_IDENTIFIER_AUTHORITY SeNullSidAuthority = {SECURITY_NULL_SID_AUTHORITY};
+SID_IDENTIFIER_AUTHORITY SeWorldSidAuthority = {SECURITY_WORLD_SID_AUTHORITY};
+SID_IDENTIFIER_AUTHORITY SeLocalSidAuthority = {SECURITY_LOCAL_SID_AUTHORITY};
+SID_IDENTIFIER_AUTHORITY SeCreatorSidAuthority = {SECURITY_CREATOR_SID_AUTHORITY};
+SID_IDENTIFIER_AUTHORITY SeNtSidAuthority = {SECURITY_NT_AUTHORITY};
-PULONG STDCALL RtlSubAuthoritySid (PSID Sid, ULONG SubAuthority)
-{
- return(&Sid->SubAuthority[SubAuthority]);
-}
+PSID SeNullSid = NULL;
+PSID SeWorldSid = NULL;
+PSID SeLocalSid = NULL;
+PSID SeCreatorOwnerSid = NULL;
+PSID SeCreatorGroupSid = NULL;
+PSID SeCreatorOwnerServerSid = NULL;
+PSID SeCreatorGroupServerSid = NULL;
+PSID SeNtAuthoritySid = NULL;
+PSID SeDialupSid = NULL;
+PSID SeNetworkSid = NULL;
+PSID SeBatchSid = NULL;
+PSID SeInteractiveSid = NULL;
+PSID SeServiceSid = NULL;
+PSID SePrincipalSelfSid = NULL;
+PSID SeLocalSystemSid = NULL;
+PSID SeAuthenticatedUserSid = NULL;
+PSID SeRestrictedCodeSid = NULL;
+PSID SeAliasAdminsSid = NULL;
+PSID SeAliasUsersSid = NULL;
+PSID SeAliasGuestsSid = NULL;
+PSID SeAliasPowerUsersSid = NULL;
+PSID SeAliasAccountOpsSid = NULL;
+PSID SeAliasSystemOpsSid = NULL;
+PSID SeAliasPrintOpsSid = NULL;
+PSID SeAliasBackupOpsSid = NULL;
+PSID SeAuthenticatedUsersSid = NULL;
+PSID SeRestrictedSid = NULL;
+PSID SeAnonymousLogonSid = NULL;
-PUCHAR STDCALL RtlSubAuthorityCountSid (PSID Sid)
-{
- return(&Sid->SubAuthorityCount);
-}
-BOOLEAN STDCALL RtlEqualSid (PSID Sid1, PSID Sid2)
+/* FUNCTIONS ****************************************************************/
+
+
+BOOLEAN
+INIT_FUNCTION
+NTAPI
+SepInitSecurityIDs(VOID)
{
- if (Sid1->Revision != Sid2->Revision)
- {
- return(FALSE);
- }
- if ((*RtlSubAuthorityCountSid(Sid1)) !=
- (*RtlSubAuthorityCountSid(Sid2)))
- {
- return(FALSE);
- }
- if (memcmp(Sid1, Sid2, RtlLengthSid(Sid1) != 0))
- {
- return(FALSE);
- }
- return(TRUE);
+ ULONG SidLength0;
+ ULONG SidLength1;
+ ULONG SidLength2;
+ PULONG SubAuthority;
+
+ SidLength0 = RtlLengthRequiredSid(0);
+ SidLength1 = RtlLengthRequiredSid(1);
+ SidLength2 = RtlLengthRequiredSid(2);
+
+ /* create NullSid */
+ SeNullSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeWorldSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeLocalSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeCreatorOwnerSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeCreatorGroupSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeCreatorOwnerServerSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeCreatorGroupServerSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeNtAuthoritySid = ExAllocatePoolWithTag(PagedPool, SidLength0, TAG_SID);
+ SeDialupSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeNetworkSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeBatchSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeInteractiveSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeServiceSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SePrincipalSelfSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeLocalSystemSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeAuthenticatedUserSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeRestrictedCodeSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeAliasAdminsSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
+ SeAliasUsersSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
+ SeAliasGuestsSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
+ SeAliasPowerUsersSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
+ SeAliasAccountOpsSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
+ SeAliasSystemOpsSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
+ SeAliasPrintOpsSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
+ SeAliasBackupOpsSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
+ SeAuthenticatedUsersSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeRestrictedSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+ SeAnonymousLogonSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
+
+ if (SeNullSid == NULL || SeNullSid == NULL || SeWorldSid == NULL ||
+ SeLocalSid == NULL || SeCreatorOwnerSid == NULL ||
+ SeCreatorGroupSid == NULL || SeCreatorOwnerServerSid == NULL ||
+ SeCreatorGroupServerSid == NULL || SeNtAuthoritySid == NULL ||
+ SeDialupSid == NULL || SeNetworkSid == NULL || SeBatchSid == NULL ||
+ SeInteractiveSid == NULL || SeServiceSid == NULL ||
+ SePrincipalSelfSid == NULL || SeLocalSystemSid == NULL ||
+ SeAuthenticatedUserSid == NULL || SeRestrictedCodeSid == NULL ||
+ SeAliasAdminsSid == NULL || SeAliasUsersSid == NULL ||
+ SeAliasGuestsSid == NULL || SeAliasPowerUsersSid == NULL ||
+ SeAliasAccountOpsSid == NULL || SeAliasSystemOpsSid == NULL ||
+ SeAliasPrintOpsSid == NULL || SeAliasBackupOpsSid == NULL ||
+ SeAuthenticatedUsersSid == NULL || SeRestrictedSid == NULL ||
+ SeAnonymousLogonSid == NULL)
+ {
+ /* FIXME: We're leaking memory here. */
+ return(FALSE);
+ }
+
+ RtlInitializeSid(SeNullSid, &SeNullSidAuthority, 1);
+ RtlInitializeSid(SeWorldSid, &SeWorldSidAuthority, 1);
+ RtlInitializeSid(SeLocalSid, &SeLocalSidAuthority, 1);
+ RtlInitializeSid(SeCreatorOwnerSid, &SeCreatorSidAuthority, 1);
+ RtlInitializeSid(SeCreatorGroupSid, &SeCreatorSidAuthority, 1);
+ RtlInitializeSid(SeCreatorOwnerServerSid, &SeCreatorSidAuthority, 1);
+ RtlInitializeSid(SeCreatorGroupServerSid, &SeCreatorSidAuthority, 1);
+ RtlInitializeSid(SeNtAuthoritySid, &SeNtSidAuthority, 0);
+ RtlInitializeSid(SeDialupSid, &SeNtSidAuthority, 1);
+ RtlInitializeSid(SeNetworkSid, &SeNtSidAuthority, 1);
+ RtlInitializeSid(SeBatchSid, &SeNtSidAuthority, 1);
+ RtlInitializeSid(SeInteractiveSid, &SeNtSidAuthority, 1);
+ RtlInitializeSid(SeServiceSid, &SeNtSidAuthority, 1);
+ RtlInitializeSid(SePrincipalSelfSid, &SeNtSidAuthority, 1);
+ RtlInitializeSid(SeLocalSystemSid, &SeNtSidAuthority, 1);
+ RtlInitializeSid(SeAuthenticatedUserSid, &SeNtSidAuthority, 1);
+ RtlInitializeSid(SeRestrictedCodeSid, &SeNtSidAuthority, 1);
+ RtlInitializeSid(SeAliasAdminsSid, &SeNtSidAuthority, 2);
+ RtlInitializeSid(SeAliasUsersSid, &SeNtSidAuthority, 2);
+ RtlInitializeSid(SeAliasGuestsSid, &SeNtSidAuthority, 2);
+ RtlInitializeSid(SeAliasPowerUsersSid, &SeNtSidAuthority, 2);
+ RtlInitializeSid(SeAliasAccountOpsSid, &SeNtSidAuthority, 2);
+ RtlInitializeSid(SeAliasSystemOpsSid, &SeNtSidAuthority, 2);
+ RtlInitializeSid(SeAliasPrintOpsSid, &SeNtSidAuthority, 2);
+ RtlInitializeSid(SeAliasBackupOpsSid, &SeNtSidAuthority, 2);
+ RtlInitializeSid(SeAuthenticatedUsersSid, &SeNtSidAuthority, 1);
+ RtlInitializeSid(SeRestrictedSid, &SeNtSidAuthority, 1);
+ RtlInitializeSid(SeAnonymousLogonSid, &SeNtSidAuthority, 1);
+
+ SubAuthority = RtlSubAuthoritySid(SeNullSid, 0);
+ *SubAuthority = SECURITY_NULL_RID;
+ SubAuthority = RtlSubAuthoritySid(SeWorldSid, 0);
+ *SubAuthority = SECURITY_WORLD_RID;
+ SubAuthority = RtlSubAuthoritySid(SeLocalSid, 0);
+ *SubAuthority = SECURITY_LOCAL_RID;
+ SubAuthority = RtlSubAuthoritySid(SeCreatorOwnerSid, 0);
+ *SubAuthority = SECURITY_CREATOR_OWNER_RID;
+ SubAuthority = RtlSubAuthoritySid(SeCreatorGroupSid, 0);
+ *SubAuthority = SECURITY_CREATOR_GROUP_RID;
+ SubAuthority = RtlSubAuthoritySid(SeCreatorOwnerServerSid, 0);
+ *SubAuthority = SECURITY_CREATOR_OWNER_SERVER_RID;
+ SubAuthority = RtlSubAuthoritySid(SeCreatorGroupServerSid, 0);
+ *SubAuthority = SECURITY_CREATOR_GROUP_SERVER_RID;
+ SubAuthority = RtlSubAuthoritySid(SeDialupSid, 0);
+ *SubAuthority = SECURITY_DIALUP_RID;
+ SubAuthority = RtlSubAuthoritySid(SeNetworkSid, 0);
+ *SubAuthority = SECURITY_NETWORK_RID;
+ SubAuthority = RtlSubAuthoritySid(SeBatchSid, 0);
+ *SubAuthority = SECURITY_BATCH_RID;
+ SubAuthority = RtlSubAuthoritySid(SeInteractiveSid, 0);
+ *SubAuthority = SECURITY_INTERACTIVE_RID;
+ SubAuthority = RtlSubAuthoritySid(SeServiceSid, 0);
+ *SubAuthority = SECURITY_SERVICE_RID;
+ SubAuthority = RtlSubAuthoritySid(SePrincipalSelfSid, 0);
+ *SubAuthority = SECURITY_PRINCIPAL_SELF_RID;
+ SubAuthority = RtlSubAuthoritySid(SeLocalSystemSid, 0);
+ *SubAuthority = SECURITY_LOCAL_SYSTEM_RID;
+ SubAuthority = RtlSubAuthoritySid(SeAuthenticatedUserSid, 0);
+ *SubAuthority = SECURITY_AUTHENTICATED_USER_RID;
+ SubAuthority = RtlSubAuthoritySid(SeRestrictedCodeSid, 0);
+ *SubAuthority = SECURITY_RESTRICTED_CODE_RID;
+ SubAuthority = RtlSubAuthoritySid(SeAliasAdminsSid, 0);
+ *SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
+ SubAuthority = RtlSubAuthoritySid(SeAliasAdminsSid, 1);
+ *SubAuthority = DOMAIN_ALIAS_RID_ADMINS;
+ SubAuthority = RtlSubAuthoritySid(SeAliasUsersSid, 0);
+ *SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
+ SubAuthority = RtlSubAuthoritySid(SeAliasUsersSid, 1);
+ *SubAuthority = DOMAIN_ALIAS_RID_USERS;
+ SubAuthority = RtlSubAuthoritySid(SeAliasGuestsSid, 0);
+ *SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
+ SubAuthority = RtlSubAuthoritySid(SeAliasGuestsSid, 1);
+ *SubAuthority = DOMAIN_ALIAS_RID_GUESTS;
+ SubAuthority = RtlSubAuthoritySid(SeAliasPowerUsersSid, 0);
+ *SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
+ SubAuthority = RtlSubAuthoritySid(SeAliasPowerUsersSid, 1);
+ *SubAuthority = DOMAIN_ALIAS_RID_POWER_USERS;
+ SubAuthority = RtlSubAuthoritySid(SeAliasAccountOpsSid, 0);
+ *SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
+ SubAuthority = RtlSubAuthoritySid(SeAliasAccountOpsSid, 1);
+ *SubAuthority = DOMAIN_ALIAS_RID_ACCOUNT_OPS;
+ SubAuthority = RtlSubAuthoritySid(SeAliasSystemOpsSid, 0);
+ *SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
+ SubAuthority = RtlSubAuthoritySid(SeAliasSystemOpsSid, 1);
+ *SubAuthority = DOMAIN_ALIAS_RID_SYSTEM_OPS;
+ SubAuthority = RtlSubAuthoritySid(SeAliasPrintOpsSid, 0);
+ *SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
+ SubAuthority = RtlSubAuthoritySid(SeAliasPrintOpsSid, 1);
+ *SubAuthority = DOMAIN_ALIAS_RID_PRINT_OPS;
+ SubAuthority = RtlSubAuthoritySid(SeAliasBackupOpsSid, 0);
+ *SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
+ SubAuthority = RtlSubAuthoritySid(SeAliasBackupOpsSid, 1);
+ *SubAuthority = DOMAIN_ALIAS_RID_BACKUP_OPS;
+ SubAuthority = RtlSubAuthoritySid(SeAuthenticatedUsersSid, 0);
+ *SubAuthority = SECURITY_AUTHENTICATED_USER_RID;
+ SubAuthority = RtlSubAuthoritySid(SeRestrictedSid, 0);
+ *SubAuthority = SECURITY_RESTRICTED_CODE_RID;
+ SubAuthority = RtlSubAuthoritySid(SeAnonymousLogonSid, 0);
+ *SubAuthority = SECURITY_ANONYMOUS_LOGON_RID;
+
+ return(TRUE);
}
-ULONG STDCALL RtlLengthSid (PSID Sid)
+NTSTATUS
+NTAPI
+SepCaptureSid(IN PSID InputSid,
+ IN KPROCESSOR_MODE AccessMode,
+ IN POOL_TYPE PoolType,
+ IN BOOLEAN CaptureIfKernel,
+ OUT PSID *CapturedSid)
{
- return(sizeof(SID) + (Sid->SubAuthorityCount-1)*4);
-}
+ ULONG SidSize = 0;
+ PISID NewSid, Sid = (PISID)InputSid;
+ NTSTATUS Status = STATUS_SUCCESS;
+ PAGED_CODE();
-NTSTATUS STDCALL RtlCopySid (ULONG BufferLength, PSID Src, PSID Dest)
-{
- if (BufferLength < RtlLengthSid(Src))
- {
- return(STATUS_UNSUCCESSFUL);
- }
- memmove(Dest, Src, RtlLengthSid(Src));
- return(STATUS_SUCCESS);
+ if(AccessMode != KernelMode)
+ {
+ _SEH_TRY
+ {
+ ProbeForRead(Sid,
+ sizeof(*Sid) - sizeof(Sid->SubAuthority),
+ sizeof(UCHAR));
+ SidSize = RtlLengthRequiredSid(Sid->SubAuthorityCount);
+ ProbeForRead(Sid,
+ SidSize,
+ sizeof(UCHAR));
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ if(NT_SUCCESS(Status))
+ {
+ /* allocate a SID and copy it */
+ NewSid = ExAllocatePool(PoolType,
+ SidSize);
+ if(NewSid != NULL)
+ {
+ _SEH_TRY
+ {
+ RtlCopyMemory(NewSid,
+ Sid,
+ SidSize);
+
+ *CapturedSid = NewSid;
+ }
+ _SEH_HANDLE
+ {
+ ExFreePool(NewSid);
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+ }
+ else
+ {
+ Status = STATUS_INSUFFICIENT_RESOURCES;
+ }
+ }
+ }
+ else if(!CaptureIfKernel)
+ {
+ *CapturedSid = InputSid;
+ return STATUS_SUCCESS;
+ }
+ else
+ {
+ SidSize = RtlLengthRequiredSid(Sid->SubAuthorityCount);
+
+ /* allocate a SID and copy it */
+ NewSid = ExAllocatePool(PoolType,
+ SidSize);
+ if(NewSid != NULL)
+ {
+ RtlCopyMemory(NewSid,
+ Sid,
+ SidSize);
+
+ *CapturedSid = NewSid;
+ }
+ else
+ {
+ Status = STATUS_INSUFFICIENT_RESOURCES;
+ }
+ }
+
+ return Status;
}
+VOID
+NTAPI
+SepReleaseSid(IN PSID CapturedSid,
+ IN KPROCESSOR_MODE AccessMode,
+ IN BOOLEAN CaptureIfKernel)
+{
+ PAGED_CODE();
+
+ if(CapturedSid != NULL &&
+ (AccessMode != KernelMode ||
+ (AccessMode == KernelMode && CaptureIfKernel)))
+ {
+ ExFreePool(CapturedSid);
+ }
+}
/* EOF */
projects / reactos.git / blobdiff