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wintrust: Implement CryptCATEnumerateMember. 

Based on work done by Maarten Lankhorst.
This commit is contained in:
Hans Leidekker 2008-12-23 11:50:37 +01:00 committed by Alexandre Julliard
parent c7109645dc
commit dffccbf1f2
1 changed files with 143 additions and 2 deletions
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145
dlls/wintrust/crypt.c
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@ -30,6 +30,7 @@
#include "mscat.h"
#include "mssip.h"
#include "imagehlp.h"
#include "winternl.h"
#include "wine/debug.h"
#include "wine/unicode.h"
@ -499,9 +500,149 @@ BOOL WINAPI CryptCATClose(HANDLE hCatalog)
/***********************************************************************
* CryptCATEnumerateMember (WINTRUST.@)
*/
CRYPTCATMEMBER *WINAPI CryptCATEnumerateMember(HANDLE hCatalog, CRYPTCATMEMBER* pPrevMember)
CRYPTCATMEMBER * WINAPI CryptCATEnumerateMember(HANDLE hCatalog, CRYPTCATMEMBER *prev)
{
FIXME("(%p, %p) stub\n", hCatalog, pPrevMember);
struct cryptcat *cc = hCatalog;
CRYPTCATMEMBER *member = prev;
CTL_ENTRY *entry;
DWORD size, i;
TRACE("%p, %p\n", hCatalog, prev);
if (!hCatalog || hCatalog == INVALID_HANDLE_VALUE || cc->magic != CRYPTCAT_MAGIC)
{
SetLastError(ERROR_INVALID_PARAMETER);
return NULL;
}
/* dumping the contents makes me think that dwReserved is the iteration number */
if (!member)
{
if (!(member = HeapAlloc(GetProcessHeap(), 0, sizeof(*member))))
{
SetLastError(ERROR_OUTOFMEMORY);
return NULL;
}
member->cbStruct = sizeof(*member);
member->pwszFileName = member->pwszReferenceTag = NULL;
member->dwReserved = 0;
member->hReserved = NULL;
member->gSubjectType = cc->subject;
member->fdwMemberFlags = 0;
member->pIndirectData = NULL;
member->dwCertVersion = cc->inner->dwVersion;
}
else member->dwReserved++;
if (member->dwReserved >= cc->inner->cCTLEntry)
{
SetLastError(ERROR_INVALID_PARAMETER);
goto error;
}
/* list them backwards, like native */
entry = &cc->inner->rgCTLEntry[cc->inner->cCTLEntry - member->dwReserved - 1];
member->sEncodedIndirectData.cbData = member->sEncodedMemberInfo.cbData = 0;
member->sEncodedIndirectData.pbData = member->sEncodedMemberInfo.pbData = NULL;
HeapFree(GetProcessHeap(), 0, member->pIndirectData);
member->pIndirectData = NULL;
for (i = 0; i < entry->cAttribute; i++)
{
CRYPT_ATTRIBUTE *attr = entry->rgAttribute + i;
if (attr->cValue != 1)
{
ERR("Can't handle attr->cValue of %u\n", attr->cValue);
continue;
}
if (!strcmp(attr->pszObjId, CAT_MEMBERINFO_OBJID))
{
CAT_MEMBERINFO *mi;
BOOL ret;
member->sEncodedMemberInfo.cbData = attr->rgValue->cbData;
member->sEncodedMemberInfo.pbData = attr->rgValue->pbData;
CryptDecodeObject(cc->encoding, CAT_MEMBERINFO_OBJID, attr->rgValue->pbData, attr->rgValue->cbData, 0, NULL, &size);
if (!(mi = HeapAlloc(GetProcessHeap(), 0, size)))
{
SetLastError(ERROR_OUTOFMEMORY);
goto error;
}
ret = CryptDecodeObject(cc->encoding, CAT_MEMBERINFO_OBJID, attr->rgValue->pbData, attr->rgValue->cbData, 0, mi, &size);
if (ret)
{
UNICODE_STRING guid;
member->dwCertVersion = mi->dwCertVersion;
RtlInitUnicodeString(&guid, mi->pwszSubjGuid);
if (RtlGUIDFromString(&guid, &member->gSubjectType))
{
HeapFree(GetProcessHeap(), 0, mi);
goto error;
}
}
HeapFree(GetProcessHeap(), 0, mi);
if (!ret) goto error;
}
else if (!strcmp(attr->pszObjId, SPC_INDIRECT_DATA_OBJID))
{
/* SPC_INDIRECT_DATA_CONTENT is equal to SIP_INDIRECT_DATA */
member->sEncodedIndirectData.cbData = attr->rgValue->cbData;
member->sEncodedIndirectData.pbData = attr->rgValue->pbData;
CryptDecodeObject(cc->encoding, SPC_INDIRECT_DATA_OBJID, attr->rgValue->pbData, attr->rgValue->cbData, 0, NULL, &size);
if (!(member->pIndirectData = HeapAlloc(GetProcessHeap(), 0, size)))
{
SetLastError(ERROR_OUTOFMEMORY);
goto error;
}
CryptDecodeObject(cc->encoding, SPC_INDIRECT_DATA_OBJID, attr->rgValue->pbData, attr->rgValue->cbData, 0, member->pIndirectData, &size);
}
else
/* this object id should probably be handled in CryptCATEnumerateAttr */
FIXME("unhandled object id \"%s\"\n", attr->pszObjId);
}
if (!member->sEncodedMemberInfo.cbData || !member->sEncodedIndirectData.cbData)
{
ERR("Corrupted catalog entry?\n");
SetLastError(CRYPT_E_ATTRIBUTES_MISSING);
goto error;
}
size = (2 * member->pIndirectData->Digest.cbData + 1) * sizeof(WCHAR);
if (member->pwszReferenceTag)
member->pwszReferenceTag = HeapReAlloc(GetProcessHeap(), 0, member->pwszReferenceTag, size);
else
member->pwszReferenceTag = HeapAlloc(GetProcessHeap(), 0, size);
if (!member->pwszReferenceTag)
{
SetLastError(ERROR_OUTOFMEMORY);
goto error;
}
/* FIXME: reference tag is usually the file hash but doesn't have to be */
for (i = 0; i < member->pIndirectData->Digest.cbData; i++)
{
DWORD sub;
sub = member->pIndirectData->Digest.pbData[i] >> 4;
member->pwszReferenceTag[i * 2] = (sub < 10 ? '0' + sub : 'A' + sub - 10);
sub = member->pIndirectData->Digest.pbData[i] & 0xf;
member->pwszReferenceTag[i * 2 + 1] = (sub < 10 ? '0' + sub : 'A' + sub - 10);
}
member->pwszReferenceTag[i * 2] = 0;
return member;
error:
HeapFree(GetProcessHeap(), 0, member->pIndirectData);
HeapFree(GetProcessHeap(), 0, member->pwszReferenceTag);
HeapFree(GetProcessHeap(), 0, member);
return NULL;
}