2 * Copyright 2008 Juan Lang
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 #define WIN32_NO_STATUS
21 #define COM_NO_WINDOWS_H
32 #include <wine/debug.h>
34 WINE_DEFAULT_DEBUG_CHANNEL(msisip
);
36 BOOL WINAPI
DllMain(HINSTANCE hinstDLL
, DWORD fdwReason
, LPVOID lpvReserved
)
38 TRACE("(0x%p, %d, %p)\n", hinstDLL
, fdwReason
, lpvReserved
);
42 case DLL_WINE_PREATTACH
:
43 return FALSE
; /* prefer native version */
44 case DLL_PROCESS_ATTACH
:
45 DisableThreadLibraryCalls(hinstDLL
);
47 case DLL_PROCESS_DETACH
:
56 static GUID mySubject
= { 0x000c10f1, 0x0000, 0x0000,
57 { 0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46 }};
59 /***********************************************************************
60 * DllRegisterServer (MSISIP.@)
62 HRESULT WINAPI
DllRegisterServer(void)
64 static WCHAR msisip
[] = { 'M','S','I','S','I','P','.','D','L','L',0 };
65 static WCHAR getSignedDataMsg
[] = { 'M','s','i','S','I','P','G','e','t',
66 'S','i','g','n','e','d','D','a','t','a','M','s','g',0 };
67 static WCHAR putSignedDataMsg
[] = { 'M','s','i','S','I','P','P','u','t',
68 'S','i','g','n','e','d','D','a','t','a','M','s','g',0 };
69 static WCHAR createIndirectData
[] = { 'M','s','i','S','I','P',
70 'C','r','e','a','t','e','I','n','d','i','r','e','c','t','D','a','t','a',
72 static WCHAR verifyIndirectData
[] = { 'M','s','i','S','I','P',
73 'V','e','r','i','f','y','I','n','d','i','r','e','c','t','D','a','t','a',
75 static WCHAR removeSignedDataMsg
[] = { 'M','s','i','S','I','P','R','e','m',
76 'o','v','e','S','i','g','n','e','d','D','a','t','a','M','s','g', 0 };
77 static WCHAR isMyTypeOfFile
[] = { 'M','s','i','S','I','P',
78 'I','s','M','y','T','y','p','e','O','f','F','i','l','e',0 };
80 SIP_ADD_NEWPROVIDER prov
;
82 memset(&prov
, 0, sizeof(prov
));
83 prov
.cbStruct
= sizeof(prov
);
84 prov
.pwszDLLFileName
= msisip
;
85 prov
.pgSubject
= &mySubject
;
86 prov
.pwszGetFuncName
= getSignedDataMsg
;
87 prov
.pwszPutFuncName
= putSignedDataMsg
;
88 prov
.pwszCreateFuncName
= createIndirectData
;
89 prov
.pwszVerifyFuncName
= verifyIndirectData
;
90 prov
.pwszRemoveFuncName
= removeSignedDataMsg
;
91 prov
.pwszIsFunctionNameFmt2
= isMyTypeOfFile
;
92 return CryptSIPAddProvider(&prov
) ? S_OK
: S_FALSE
;
95 /***********************************************************************
96 * DllUnregisterServer (MSISIP.@)
98 HRESULT WINAPI
DllUnregisterServer(void)
100 CryptSIPRemoveProvider(&mySubject
);
104 /***********************************************************************
105 * MsiSIPGetSignedDataMsg (MSISIP.@)
107 BOOL WINAPI
MsiSIPGetSignedDataMsg(SIP_SUBJECTINFO
*pSubjectInfo
,
108 DWORD
*pdwEncodingType
, DWORD dwIndex
, DWORD
*pcbSignedDataMsg
,
109 BYTE
*pbSignedDataMsg
)
111 static const WCHAR digitalSig
[] = { 5,'D','i','g','i','t','a','l',
112 'S','i','g','n','a','t','u','r','e',0 };
114 IStorage
*stg
= NULL
;
117 BYTE hdr
[2], len
[sizeof(DWORD
)];
118 DWORD count
, lenBytes
, dataBytes
;
120 TRACE("(%p %p %d %p %p)\n", pSubjectInfo
, pdwEncodingType
, dwIndex
,
121 pcbSignedDataMsg
, pbSignedDataMsg
);
123 r
= StgOpenStorage(pSubjectInfo
->pwsFileName
, NULL
,
124 STGM_DIRECT
|STGM_READ
|STGM_SHARE_DENY_WRITE
, NULL
, 0, &stg
);
127 TRACE("couldn't open %s\n", debugstr_w(pSubjectInfo
->pwsFileName
));
131 r
= IStorage_OpenStream(stg
, digitalSig
, 0,
132 STGM_READ
|STGM_SHARE_EXCLUSIVE
, 0, &stm
);
135 TRACE("couldn't find digital signature stream\n");
139 r
= IStream_Read(stm
, hdr
, sizeof(hdr
), &count
);
140 if (FAILED(r
) || count
!= sizeof(hdr
))
144 WARN("unexpected data in digital sig: 0x%02x%02x\n", hdr
[0], hdr
[1]);
148 /* Read the asn.1 length from the stream. Only supports definite-length
149 * values, which DER-encoded signatures should be.
153 WARN("indefinite-length encoding not supported!\n");
156 else if (hdr
[1] & 0x80)
161 lenBytes
= hdr
[1] & 0x7f;
162 if (lenBytes
> sizeof(DWORD
))
164 WARN("asn.1 length too long (%d)\n", lenBytes
);
167 r
= IStream_Read(stm
, len
, lenBytes
, &count
);
168 if (FAILED(r
) || count
!= lenBytes
)
185 if (!pbSignedDataMsg
)
187 *pcbSignedDataMsg
= 2 + lenBytes
+ dataBytes
;
190 else if (*pcbSignedDataMsg
< 2 + lenBytes
+ dataBytes
)
192 SetLastError(ERROR_INSUFFICIENT_BUFFER
);
193 *pcbSignedDataMsg
= 2 + lenBytes
+ dataBytes
;
197 LPBYTE ptr
= pbSignedDataMsg
;
199 memcpy(ptr
, hdr
, sizeof(hdr
));
203 memcpy(ptr
, len
, lenBytes
);
206 r
= IStream_Read(stm
, ptr
, dataBytes
, &count
);
207 if (SUCCEEDED(r
) && count
== dataBytes
)
209 *pdwEncodingType
= X509_ASN_ENCODING
| PKCS_7_ASN_ENCODING
;
210 *pcbSignedDataMsg
= 2 + lenBytes
+ dataBytes
;
216 IStream_Release(stm
);
218 IStorage_Release(stg
);
221 TRACE("returning %d\n", ret
);
225 DEFINE_GUID(CLSID_MsiTransform
, 0x000c1082,0x0000,0x0000,0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
226 DEFINE_GUID(CLSID_MsiDatabase
, 0x000c1084,0x0000,0x0000,0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
227 DEFINE_GUID(CLSID_MsiPatch
, 0x000c1086,0x0000,0x0000,0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
229 /***********************************************************************
230 * MsiSIPIsMyTypeOfFile (MSISIP.@)
232 BOOL WINAPI
MsiSIPIsMyTypeOfFile(WCHAR
*name
, GUID
*subject
)
235 IStorage
*stg
= NULL
;
238 TRACE("(%s, %p)\n", debugstr_w(name
), subject
);
240 r
= StgOpenStorage(name
, NULL
, STGM_DIRECT
|STGM_READ
|STGM_SHARE_DENY_WRITE
,
246 r
= IStorage_Stat(stg
, &stat
, STATFLAG_NONAME
);
249 if (IsEqualGUID(&stat
.clsid
, &CLSID_MsiDatabase
) ||
250 IsEqualGUID(&stat
.clsid
, &CLSID_MsiPatch
) ||
251 IsEqualGUID(&stat
.clsid
, &CLSID_MsiTransform
))
254 *subject
= mySubject
;
257 IStorage_Release(stg
);