sip.c File Reference

#include <stdarg.h>
#include <stdio.h>
#include "windef.h"
#include "winbase.h"
#include "wincrypt.h"
#include "winreg.h"
#include "winnls.h"
#include "mssip.h"
#include "winuser.h"
#include "crypt32_private.h"
#include "wine/debug.h"
#include "wine/list.h"

Include dependency graph for sip.c:

Go to the source code of this file.

Classes
struct	_WINE_SIP_PROVIDER

Macros
#define	CRYPT_SIPREMOVEPROV(key)
#define	CRYPT_SIPADDPROV(key, field)

Typedefs
typedef struct _WINE_SIP_PROVIDER	WINE_SIP_PROVIDER

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (crypt)
static void	CRYPT_guid2wstr (const GUID *guid, LPWSTR wstr)
static LONG	CRYPT_SIPDeleteFunction (const GUID *guid, LPCWSTR szKey)
BOOL WINAPI	CryptSIPRemoveProvider (GUID *pgProv)
static LONG	CRYPT_SIPWriteFunction (const GUID *guid, LPCWSTR szKey, LPCWSTR szDll, LPCWSTR szFunction)
BOOL WINAPI	CryptSIPAddProvider (SIP_ADD_NEWPROVIDER *psNewProv)
static void *	CRYPT_LoadSIPFuncFromKey (HKEY key, HMODULE *pLib)
BOOL WINAPI	CryptSIPRetrieveSubjectGuid (LPCWSTR FileName, HANDLE hFileIn, GUID *pgSubject)
static LONG	CRYPT_OpenSIPFunctionKey (const GUID *guid, LPCWSTR function, HKEY *key)
static void *	CRYPT_LoadSIPFunc (const GUID *pgSubject, LPCWSTR function, HMODULE *pLib)
static void	CRYPT_CacheSIP (const GUID *pgSubject, SIP_DISPATCH_INFO *info)
static WINE_SIP_PROVIDER *	CRYPT_GetCachedSIP (const GUID *pgSubject)
static BOOL	CRYPT_IsSIPCached (const GUID *pgSubject)
void	crypt_sip_free (void)
static BOOL	CRYPT_LoadSIP (const GUID *pgSubject)
BOOL WINAPI	CryptSIPLoad (const GUID *pgSubject, DWORD dwFlags, SIP_DISPATCH_INFO *pSipDispatch)
BOOL WINAPI	CryptSIPCreateIndirectData (SIP_SUBJECTINFO *pSubjectInfo, DWORD *pcbIndirectData, SIP_INDIRECT_DATA *pIndirectData)
BOOL WINAPI	CryptSIPGetSignedDataMsg (SIP_SUBJECTINFO *pSubjectInfo, DWORD *pdwEncodingType, DWORD dwIndex, DWORD *pcbSignedDataMsg, BYTE *pbSignedDataMsg)
BOOL WINAPI	CryptSIPPutSignedDataMsg (SIP_SUBJECTINFO *pSubjectInfo, DWORD pdwEncodingType, DWORD *pdwIndex, DWORD cbSignedDataMsg, BYTE *pbSignedDataMsg)
BOOL WINAPI	CryptSIPRemoveSignedDataMsg (SIP_SUBJECTINFO *pSubjectInfo, DWORD dwIndex)
BOOL WINAPI	CryptSIPVerifyIndirectData (SIP_SUBJECTINFO *pSubjectInfo, SIP_INDIRECT_DATA *pIndirectData)
BOOL WINAPI	CryptSIPRetrieveSubjectGuidForCatalogFile (LPCWSTR filename, HANDLE handle, GUID *subject)

Variables
static struct list	providers = { &providers, &providers }
static CRITICAL_SECTION	providers_cs = { &providers_cs_debug, -1, 0, 0, 0, 0 }
static CRITICAL_SECTION_DEBUG	providers_cs_debug

Macro Definition Documentation

CRYPT_SIPADDPROV

#define CRYPT_SIPADDPROV	(		key,
			field
	)

Value:

    r = CRYPT_SIPWriteFunction( psNewProv->pgSubject, key, \
           psNewProv->pwszDLLFileName, psNewProv->field); \
    if (r != ERROR_SUCCESS) goto end_function

CRYPT_SIPREMOVEPROV

#define CRYPT_SIPREMOVEPROV

(

key

)

Value:

    r = CRYPT_SIPDeleteFunction( pgProv, key); \
    if (r != ERROR_SUCCESS) remove_error = r

Typedef Documentation

WINE_SIP_PROVIDER

typedef struct _WINE_SIP_PROVIDER WINE_SIP_PROVIDER

Function Documentation

CRYPT_CacheSIP()

static void CRYPT_CacheSIP ( const GUID *  pgSubject, SIP_DISPATCH_INFO *  info  )

static

Definition at line 543 of file sip.c.

{
    WINE_SIP_PROVIDER *prov = CryptMemAlloc(sizeof(WINE_SIP_PROVIDER));
 
    if (prov)
    {
        prov->subject = *pgSubject;
        prov->info = *info;
        EnterCriticalSection(&providers_cs);
        list_add_tail(&providers, &prov->entry);
        LeaveCriticalSection(&providers_cs);
    }
}

Referenced by CRYPT_LoadSIP().

CRYPT_GetCachedSIP()

static WINE_SIP_PROVIDER * CRYPT_GetCachedSIP ( const GUID *  pgSubject )

static

Definition at line 557 of file sip.c.

{
    WINE_SIP_PROVIDER *provider = NULL, *ret = NULL;
 
    EnterCriticalSection(&providers_cs);
    LIST_FOR_EACH_ENTRY(provider, &providers, WINE_SIP_PROVIDER, entry)
    {
        if (IsEqualGUID(pgSubject, &provider->subject))
            break;
    }
    if (provider && IsEqualGUID(pgSubject, &provider->subject))
        ret = provider;
    LeaveCriticalSection(&providers_cs);
    return ret;
}

Referenced by CRYPT_IsSIPCached(), CryptSIPCreateIndirectData(), CryptSIPGetSignedDataMsg(), CryptSIPPutSignedDataMsg(), CryptSIPRemoveSignedDataMsg(), and CryptSIPVerifyIndirectData().

CRYPT_guid2wstr()

static void CRYPT_guid2wstr ( const GUID *  guid, LPWSTR  wstr  )

static

Definition at line 39 of file sip.c.

{
    char str[40];
 
    sprintf(str, "{%08lX-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
           guid->Data1, guid->Data2, guid->Data3,
           guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
           guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7] );
    MultiByteToWideChar( CP_ACP, 0, str, -1, wstr, 40 );
}

Referenced by CRYPT_OpenSIPFunctionKey(), CRYPT_SIPDeleteFunction(), and CRYPT_SIPWriteFunction().

CRYPT_IsSIPCached()

static BOOL CRYPT_IsSIPCached ( const GUID *  pgSubject )

inlinestatic

Definition at line 573 of file sip.c.

{
    return CRYPT_GetCachedSIP(pgSubject) != NULL;
}

Referenced by CryptSIPLoad().

CRYPT_LoadSIP()

static BOOL CRYPT_LoadSIP ( const GUID *  pgSubject )

static

Definition at line 594 of file sip.c.

{
    SIP_DISPATCH_INFO sip = { 0 };
    HMODULE lib = NULL, temp = NULL;
 
    sip.pfGet = CRYPT_LoadSIPFunc(pgSubject, L"GetSignedDataMsg\\", &lib);
    if (!sip.pfGet)
        goto error;
    sip.pfPut = CRYPT_LoadSIPFunc(pgSubject, L"PutSignedDataMsg\\", &temp);
    if (!sip.pfPut || temp != lib)
        goto error;
    FreeLibrary(temp);
    temp = NULL;
    sip.pfCreate = CRYPT_LoadSIPFunc(pgSubject, L"CreateIndirectData\\", &temp);
    if (!sip.pfCreate || temp != lib)
        goto error;
    FreeLibrary(temp);
    temp = NULL;
    sip.pfVerify = CRYPT_LoadSIPFunc(pgSubject, L"VerifyIndirectData\\", &temp);
    if (!sip.pfVerify || temp != lib)
        goto error;
    FreeLibrary(temp);
    temp = NULL;
    sip.pfRemove = CRYPT_LoadSIPFunc(pgSubject, L"RemoveSignedDataMsg\\", &temp);
    if (!sip.pfRemove || temp != lib)
        goto error;
    FreeLibrary(temp);
    sip.hSIP = lib;
    CRYPT_CacheSIP(pgSubject, &sip);
    return TRUE;
 
error:
    FreeLibrary(lib);
    FreeLibrary(temp);
    SetLastError(TRUST_E_SUBJECT_FORM_UNKNOWN);
    return FALSE;
}

Referenced by CryptSIPLoad().

CRYPT_LoadSIPFunc()

static void * CRYPT_LoadSIPFunc ( const GUID *  pgSubject, LPCWSTR  function, HMODULE *  pLib  )

static

Definition at line 507 of file sip.c.

{
    LONG r;
    HKEY key;
    void *func = NULL;
 
    TRACE("(%s, %s)\n", debugstr_guid(pgSubject), debugstr_w(function));
 
    r = CRYPT_OpenSIPFunctionKey(pgSubject, function, &key);
    if (!r)
    {
        func = CRYPT_LoadSIPFuncFromKey(key, pLib);
        RegCloseKey(key);
    }
    TRACE("returning %p\n", func);
    return func;
}

Referenced by CRYPT_LoadSIP().

CRYPT_LoadSIPFuncFromKey()

static void * CRYPT_LoadSIPFuncFromKey ( HKEY  key, HMODULE *  pLib  )

static

Definition at line 232 of file sip.c.

{
    LONG r;
    DWORD size;
    WCHAR dllName[MAX_PATH];
    char functionName[MAX_PATH];
    HMODULE lib;
    void *func = NULL;
 
    /* Read the DLL entry */
    size = sizeof(dllName);
    r = RegQueryValueExW(key, L"Dll", NULL, NULL, (LPBYTE)dllName, &size);
    if (r) goto end;
 
    /* Read the Function entry */
    size = sizeof(functionName);
    r = RegQueryValueExA(key, "FuncName", NULL, NULL, (LPBYTE)functionName,
     &size);
    if (r) goto end;
 
    lib = LoadLibraryW(dllName);
    if (!lib)
        goto end;
    func = GetProcAddress(lib, functionName);
    if (func)
        *pLib = lib;
    else
        FreeLibrary(lib);
 
end:
    return func;
}

Referenced by CRYPT_LoadSIPFunc(), and CryptSIPRetrieveSubjectGuid().

CRYPT_OpenSIPFunctionKey()

static LONG CRYPT_OpenSIPFunctionKey ( const GUID *  guid, LPCWSTR  function, HKEY *  key  )

static

Definition at line 492 of file sip.c.

{
    WCHAR szFullKey[ 0x100 ];
 
    lstrcpyW(szFullKey, L"Software\\Microsoft\\Cryptography\\OID\\EncodingType 0\\CryptSIPDll");
    lstrcatW(szFullKey, function);
    CRYPT_guid2wstr(guid, &szFullKey[lstrlenW(szFullKey)]);
    return RegOpenKeyExW(HKEY_LOCAL_MACHINE, szFullKey, 0, KEY_READ, key);
}

Referenced by CRYPT_LoadSIPFunc().

crypt_sip_free()

void crypt_sip_free

(

void

)

Definition at line 578 of file sip.c.

{
    WINE_SIP_PROVIDER *prov, *next;
 
    LIST_FOR_EACH_ENTRY_SAFE(prov, next, &providers, WINE_SIP_PROVIDER, entry)
    {
        list_remove(&prov->entry);
        FreeLibrary(prov->info.hSIP);
        CryptMemFree(prov);
    }
    DeleteCriticalSection(&providers_cs);
}

Referenced by DllMain().

CRYPT_SIPDeleteFunction()

static LONG CRYPT_SIPDeleteFunction ( const GUID *  guid, LPCWSTR  szKey  )

static

Definition at line 55 of file sip.c.

{
    WCHAR szFullKey[ 0x100 ];
    LONG r = ERROR_SUCCESS;
 
    /* max length of szFullKey depends on our code only, so we won't overrun */
    lstrcpyW( szFullKey, L"Software\\Microsoft\\Cryptography\\OID\\EncodingType 0\\CryptSIPDll" );
    lstrcatW( szFullKey, szKey );
    CRYPT_guid2wstr( guid, &szFullKey[ lstrlenW( szFullKey ) ] );
 
    r = RegDeleteKeyW(HKEY_LOCAL_MACHINE, szFullKey);
 
    return r;
}

CRYPT_SIPWriteFunction()

static LONG CRYPT_SIPWriteFunction ( const GUID *  guid, LPCWSTR  szKey, LPCWSTR  szDll, LPCWSTR  szFunction  )

static

Definition at line 129 of file sip.c.

{
    WCHAR szFullKey[ 0x100 ];
    LONG r = ERROR_SUCCESS;
    HKEY hKey;
 
    if( !szFunction )
         return ERROR_SUCCESS;
 
    /* max length of szFullKey depends on our code only, so we won't overrun */
    lstrcpyW( szFullKey, L"Software\\Microsoft\\Cryptography\\OID\\EncodingType 0\\CryptSIPDll" );
    lstrcatW( szFullKey, szKey );
    CRYPT_guid2wstr( guid, &szFullKey[ lstrlenW( szFullKey ) ] );
 
    TRACE("key is %s\n", debugstr_w( szFullKey ) );
 
    r = RegCreateKeyW( HKEY_LOCAL_MACHINE, szFullKey, &hKey );
    if( r != ERROR_SUCCESS ) goto error_close_key;
 
    /* write the values */
    r = RegSetValueExW( hKey, L"FuncName", 0, REG_SZ, (const BYTE*) szFunction,
                        ( lstrlenW( szFunction ) + 1 ) * sizeof (WCHAR) );
    if( r != ERROR_SUCCESS ) goto error_close_key;
    r = RegSetValueExW( hKey, L"Dll", 0, REG_SZ, (const BYTE*) szDll,
                        ( lstrlenW( szDll ) + 1) * sizeof (WCHAR) );
 
error_close_key:
 
    RegCloseKey( hKey );
 
    return r;
}

CryptSIPAddProvider()

BOOL WINAPI CryptSIPAddProvider

(

SIP_ADD_NEWPROVIDER *

psNewProv

)

Definition at line 181 of file sip.c.

{
    LONG r = ERROR_SUCCESS;
 
    TRACE("%p\n", psNewProv);
 
    if (!psNewProv ||
        psNewProv->cbStruct < FIELD_OFFSET(SIP_ADD_NEWPROVIDER, pwszGetCapFuncName) ||
        !psNewProv->pwszGetFuncName ||
        !psNewProv->pwszPutFuncName ||
        !psNewProv->pwszCreateFuncName ||
        !psNewProv->pwszVerifyFuncName ||
        !psNewProv->pwszRemoveFuncName)
    {
        SetLastError(ERROR_INVALID_PARAMETER);
        return FALSE;
    }
 
    TRACE("%s %s %s %s %s\n",
          debugstr_guid( psNewProv->pgSubject ),
          debugstr_w( psNewProv->pwszDLLFileName ),
          debugstr_w( psNewProv->pwszMagicNumber ),
          debugstr_w( psNewProv->pwszIsFunctionName ),
          debugstr_w( psNewProv->pwszIsFunctionNameFmt2 ) );
 
#define CRYPT_SIPADDPROV( key, field ) \
    r = CRYPT_SIPWriteFunction( psNewProv->pgSubject, key, \
           psNewProv->pwszDLLFileName, psNewProv->field); \
    if (r != ERROR_SUCCESS) goto end_function
 
    CRYPT_SIPADDPROV( L"PutSignedDataMsg\\", pwszPutFuncName );
    CRYPT_SIPADDPROV( L"GetSignedDataMsg\\", pwszGetFuncName );
    CRYPT_SIPADDPROV( L"RemoveSignedDataMsg\\", pwszRemoveFuncName );
    CRYPT_SIPADDPROV( L"CreateIndirectData\\", pwszCreateFuncName );
    CRYPT_SIPADDPROV( L"VerifyIndirectData\\", pwszVerifyFuncName );
    CRYPT_SIPADDPROV( L"IsMyFileType\\", pwszIsFunctionName );
    CRYPT_SIPADDPROV( L"IsMyFileType2\\", pwszIsFunctionNameFmt2 );
 
#undef CRYPT_SIPADDPROV
 
end_function:
 
    if (r != ERROR_SUCCESS)
    {
        SetLastError(r);
        return FALSE;
    }
 
    return TRUE;
}

Referenced by DllRegisterServer(), test_AddRemoveProvider(), and WINTRUST_SIPPAddProvider().

CryptSIPCreateIndirectData()

BOOL WINAPI CryptSIPCreateIndirectData	(	SIP_SUBJECTINFO *	pSubjectInfo,
		DWORD *	pcbIndirectData,
		SIP_INDIRECT_DATA *	pIndirectData
	)

Definition at line 683 of file sip.c.

{
    WINE_SIP_PROVIDER *sip;
    BOOL ret = FALSE;
 
    TRACE("(%p %p %p)\n", pSubjectInfo, pcbIndirectData, pIndirectData);
 
    if (!pSubjectInfo || !pSubjectInfo->pgSubjectType || !pcbIndirectData)
    {
        SetLastError(ERROR_INVALID_PARAMETER);
        return FALSE;
    }
    if ((sip = CRYPT_GetCachedSIP(pSubjectInfo->pgSubjectType)))
        ret = sip->info.pfCreate(pSubjectInfo, pcbIndirectData, pIndirectData);
    TRACE("returning %d\n", ret);
    return ret;
}

Referenced by CryptSIPLoad(), InitFunctionPtrs(), and WINTRUST_SIPPAddProvider().

CryptSIPGetSignedDataMsg()

BOOL WINAPI CryptSIPGetSignedDataMsg	(	SIP_SUBJECTINFO *	pSubjectInfo,
		DWORD *	pdwEncodingType,
		DWORD	dwIndex,
		DWORD *	pcbSignedDataMsg,
		BYTE *	pbSignedDataMsg
	)

Definition at line 705 of file sip.c.

{
    WINE_SIP_PROVIDER *sip;
    BOOL ret = FALSE;
 
    TRACE("(%p %p %ld %p %p)\n", pSubjectInfo, pdwEncodingType, dwIndex,
          pcbSignedDataMsg, pbSignedDataMsg);
 
    if ((sip = CRYPT_GetCachedSIP(pSubjectInfo->pgSubjectType)))
        ret = sip->info.pfGet(pSubjectInfo, pdwEncodingType, dwIndex,
         pcbSignedDataMsg, pbSignedDataMsg);
    TRACE("returning %d\n", ret);
    return ret;
}

Referenced by CryptSIPLoad(), and WINTRUST_SIPPAddProvider().

CryptSIPLoad()

BOOL WINAPI CryptSIPLoad	(	const GUID *	pgSubject,
		DWORD	dwFlags,
		SIP_DISPATCH_INFO *	pSipDispatch
	)

Definition at line 657 of file sip.c.

{
    TRACE("(%s %ld %p)\n", debugstr_guid(pgSubject), dwFlags, pSipDispatch);
 
    if (!pgSubject || dwFlags != 0 || !pSipDispatch)
    {
        SetLastError(ERROR_INVALID_PARAMETER);
        return FALSE;
    }
    if (!CRYPT_IsSIPCached(pgSubject) && !CRYPT_LoadSIP(pgSubject))
        return FALSE;
 
    pSipDispatch->hSIP = NULL;
    pSipDispatch->pfGet = CryptSIPGetSignedDataMsg;
    pSipDispatch->pfPut = CryptSIPPutSignedDataMsg;
    pSipDispatch->pfCreate = CryptSIPCreateIndirectData;
    pSipDispatch->pfVerify = CryptSIPVerifyIndirectData;
    pSipDispatch->pfRemove = CryptSIPRemoveSignedDataMsg;
 
    return TRUE;
}

Referenced by CRYPT_QueryEmbeddedMessageObject(), SOFTPUB_GetSIP(), and test_SIPLoad().

CryptSIPPutSignedDataMsg()

BOOL WINAPI CryptSIPPutSignedDataMsg	(	SIP_SUBJECTINFO *	pSubjectInfo,
		DWORD	pdwEncodingType,
		DWORD *	pdwIndex,
		DWORD	cbSignedDataMsg,
		BYTE *	pbSignedDataMsg
	)

Definition at line 724 of file sip.c.

{
    WINE_SIP_PROVIDER *sip;
    BOOL ret = FALSE;
 
    TRACE("(%p %ld %p %ld %p)\n", pSubjectInfo, pdwEncodingType, pdwIndex,
          cbSignedDataMsg, pbSignedDataMsg);
 
    if ((sip = CRYPT_GetCachedSIP(pSubjectInfo->pgSubjectType)))
        ret = sip->info.pfPut(pSubjectInfo, pdwEncodingType, pdwIndex,
         cbSignedDataMsg, pbSignedDataMsg);
    TRACE("returning %d\n", ret);
    return ret;
}

Referenced by CryptSIPLoad(), and WINTRUST_SIPPAddProvider().

CryptSIPRemoveProvider()

BOOL WINAPI CryptSIPRemoveProvider

(

GUID *

pgProv

)

Definition at line 86 of file sip.c.

{
    LONG r = ERROR_SUCCESS;
    LONG remove_error = ERROR_SUCCESS;
 
    TRACE("%s\n", debugstr_guid(pgProv));
 
    if (!pgProv)
    {
        SetLastError(ERROR_INVALID_PARAMETER);
        return FALSE;
    }
 
 
#define CRYPT_SIPREMOVEPROV( key ) \
    r = CRYPT_SIPDeleteFunction( pgProv, key); \
    if (r != ERROR_SUCCESS) remove_error = r
 
    CRYPT_SIPREMOVEPROV( L"PutSignedDataMsg\\" );
    CRYPT_SIPREMOVEPROV( L"GetSignedDataMsg\\" );
    CRYPT_SIPREMOVEPROV( L"RemoveSignedDataMsg\\" );
    CRYPT_SIPREMOVEPROV( L"CreateIndirectData\\" );
    CRYPT_SIPREMOVEPROV( L"VerifyIndirectData\\" );
    CRYPT_SIPREMOVEPROV( L"IsMyFileType\\" );
    CRYPT_SIPREMOVEPROV( L"IsMyFileType2\\" );
 
#undef CRYPT_SIPREMOVEPROV
 
    if (remove_error != ERROR_SUCCESS)
    {
        SetLastError(remove_error);
        return FALSE;
    }
 
    return TRUE;
}

Referenced by DllUnregisterServer(), and test_AddRemoveProvider().

CryptSIPRemoveSignedDataMsg()

BOOL WINAPI CryptSIPRemoveSignedDataMsg	(	SIP_SUBJECTINFO *	pSubjectInfo,
		DWORD	dwIndex
	)

Definition at line 743 of file sip.c.

{
    WINE_SIP_PROVIDER *sip;
    BOOL ret = FALSE;
 
    TRACE("(%p %ld)\n", pSubjectInfo, dwIndex);
 
    if ((sip = CRYPT_GetCachedSIP(pSubjectInfo->pgSubjectType)))
        ret = sip->info.pfRemove(pSubjectInfo, dwIndex);
    TRACE("returning %d\n", ret);
    return ret;
}

Referenced by CryptSIPLoad(), and WINTRUST_SIPPAddProvider().

CryptSIPRetrieveSubjectGuid()

BOOL WINAPI CryptSIPRetrieveSubjectGuid	(	LPCWSTR	FileName,
		HANDLE	hFileIn,
		GUID *	pgSubject
	)

Definition at line 283 of file sip.c.

{
    HANDLE hFile;
    BOOL   bRet = FALSE;
    DWORD  count;
    LARGE_INTEGER zero, oldPos;
    /* FIXME, find out if there is a name for this GUID */
    static const GUID unknown = { 0xC689AAB8, 0x8E78, 0x11D0, { 0x8C,0x47,0x00,0xC0,0x4F,0xC2,0x95,0xEE }};
    static const GUID cabGUID = { 0xc689aaba, 0x8e78, 0x11d0, {0x8c,0x47,0x00,0xc0,0x4f,0xc2,0x95,0xee }};
    static const GUID catGUID = { 0xDE351A43, 0x8E59, 0x11D0, { 0x8C,0x47,0x00,0xC0,0x4F,0xC2,0x95,0xEE }};
    static const WORD dosHdr = IMAGE_DOS_SIGNATURE;
    static const BYTE cabHdr[] = { 'M','S','C','F' };
    BYTE hdr[SIP_MAX_MAGIC_NUMBER];
    LONG r = ERROR_SUCCESS;
    HKEY key;
 
    TRACE("(%s %p %p)\n", wine_dbgstr_w(FileName), hFileIn, pgSubject);
 
    if (!pgSubject || (!FileName && !hFileIn))
    {
        SetLastError(ERROR_INVALID_PARAMETER);
        return FALSE;
    }
 
    /* Set pgSubject to zero's */
    memset(pgSubject, 0 , sizeof(GUID));
 
    if (hFileIn)
        /* Use the given handle, make sure not to close this one ourselves */
        hFile = hFileIn;
    else
    {
        hFile = CreateFileW(FileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
        /* Last error is set by CreateFile */
        if (hFile == INVALID_HANDLE_VALUE) return FALSE;
    }
 
    zero.QuadPart = 0;
    SetFilePointerEx(hFile, zero, &oldPos, FILE_CURRENT);
    SetFilePointer(hFile, 0, NULL, FILE_BEGIN);
    if (!ReadFile(hFile, hdr, sizeof(hdr), &count, NULL))
        goto cleanup;
 
    if (count < SIP_MAX_MAGIC_NUMBER)
    {
        SetLastError(ERROR_INVALID_PARAMETER);
        goto cleanup;
    }
 
    TRACE("file magic = 0x%02x%02x%02x%02x\n", hdr[0], hdr[1], hdr[2], hdr[3]);
    /* As everything is in place now we start looking at the file header */
    if (!memcmp(hdr, &dosHdr, sizeof(dosHdr)))
    {
        *pgSubject = unknown;
        SetLastError(S_OK);
        bRet = TRUE;
        goto cleanup;
    }
    /* Quick-n-dirty check for a cab file. */
    if (!memcmp(hdr, cabHdr, sizeof(cabHdr)))
    {
        *pgSubject = cabGUID;
        SetLastError(S_OK);
        bRet = TRUE;
        goto cleanup;
    }
    /* If it's asn.1-encoded, it's probably a .cat file. */
    if (hdr[0] == 0x30)
    {
        DWORD fileLen = GetFileSize(hFile, NULL);
 
        TRACE("fileLen = %ld\n", fileLen);
        /* Sanity-check length */
        if (hdr[1] < 0x80 && fileLen == 2 + hdr[1])
        {
            *pgSubject = catGUID;
            SetLastError(S_OK);
            bRet = TRUE;
            goto cleanup;
        }
        else if (hdr[1] == 0x80)
        {
            /* Indefinite length, can't verify with just the header, assume it
             * is.
             */
            *pgSubject = catGUID;
            SetLastError(S_OK);
            bRet = TRUE;
            goto cleanup;
        }
        else
        {
            BYTE lenBytes = hdr[1] & 0x7f;
 
            if (lenBytes == 1 && fileLen == 2 + lenBytes + hdr[2])
            {
                *pgSubject = catGUID;
                SetLastError(S_OK);
                bRet = TRUE;
                goto cleanup;
            }
            else if (lenBytes == 2 && fileLen == 2 + lenBytes +
             (hdr[2] << 8 | hdr[3]))
            {
                *pgSubject = catGUID;
                SetLastError(S_OK);
                bRet = TRUE;
                goto cleanup;
            }
            else if (fileLen > 0xffff)
            {
                /* The file size must be greater than 2 bytes in length, so
                 * assume it is a .cat file
                 */
                *pgSubject = catGUID;
                SetLastError(S_OK);
                bRet = TRUE;
                goto cleanup;
            }
        }
    }
 
    /* Check for supported functions using CryptSIPDllIsMyFileType */
    r = RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"Software\\Microsoft\\Cryptography\\OID\\EncodingType 0\\CryptSIPDllIsMyFileType\\", 0, KEY_READ, &key);
    if (r == ERROR_SUCCESS)
    {
        DWORD index = 0, size;
        WCHAR subKeyName[MAX_PATH];
 
        do {
            size = ARRAY_SIZE(subKeyName);
            r = RegEnumKeyExW(key, index++, subKeyName, &size, NULL, NULL,
             NULL, NULL);
            if (r == ERROR_SUCCESS)
            {
                HKEY subKey;
 
                r = RegOpenKeyExW(key, subKeyName, 0, KEY_READ, &subKey);
                if (r == ERROR_SUCCESS)
                {
                    HMODULE lib;
                    pfnIsFileSupported isMy = CRYPT_LoadSIPFuncFromKey(subKey,
                     &lib);
 
                    if (isMy)
                    {
                        bRet = isMy(hFile, pgSubject);
                        FreeLibrary(lib);
                    }
                    RegCloseKey(subKey);
                }
            }
        } while (!bRet && r == ERROR_SUCCESS);
        RegCloseKey(key);
    }
 
    /* Check for supported functions using CryptSIPDllIsMyFileType2 */
    if (!bRet)
    {
        r = RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"Software\\Microsoft\\Cryptography\\OID\\EncodingType 0\\CryptSIPDllIsMyFileType2\\", 0, KEY_READ, &key);
        if (r == ERROR_SUCCESS)
        {
            DWORD index = 0, size;
            WCHAR subKeyName[MAX_PATH];
 
            do {
                size = ARRAY_SIZE(subKeyName);
                r = RegEnumKeyExW(key, index++, subKeyName, &size, NULL, NULL,
                 NULL, NULL);
                if (r == ERROR_SUCCESS)
                {
                    HKEY subKey;
 
                    r = RegOpenKeyExW(key, subKeyName, 0, KEY_READ, &subKey);
                    if (r == ERROR_SUCCESS)
                    {
                        HMODULE lib;
                        pfnIsFileSupportedName isMy2 =
                         CRYPT_LoadSIPFuncFromKey(subKey, &lib);
 
                        if (isMy2)
                        {
                            bRet = isMy2((LPWSTR)FileName, pgSubject);
                            FreeLibrary(lib);
                        }
                        RegCloseKey(subKey);
                    }
                }
            } while (!bRet && r == ERROR_SUCCESS);
            RegCloseKey(key);
        }
    }
 
    if (!bRet)
        SetLastError(TRUST_E_SUBJECT_FORM_UNKNOWN);
 
cleanup:
    /* If we didn't open this one we shouldn't close it (hFile is a copy),
     * but we should reset the file pointer to its original position.
     */
    if (!hFileIn)
        CloseHandle(hFile);
    else
        SetFilePointerEx(hFile, oldPos, NULL, FILE_BEGIN);
 
    return bRet;
}

Referenced by CRYPT_QueryEmbeddedMessageObject(), CryptCATOpen(), IsCatalogFile(), SOFTPUB_GetFileSubject(), SOFTPUB_LoadCatalogMessage(), test_sip(), and test_SIPRetrieveSubjectGUID().

CryptSIPRetrieveSubjectGuidForCatalogFile()

BOOL WINAPI CryptSIPRetrieveSubjectGuidForCatalogFile	(	LPCWSTR	filename,
		HANDLE	handle,
		GUID *	subject
	)

Definition at line 777 of file sip.c.

{
    FIXME("(%s %p %p)\n", debugstr_w(filename), handle, subject);
    SetLastError(ERROR_INVALID_PARAMETER);
    return FALSE;
}

CryptSIPVerifyIndirectData()

BOOL WINAPI CryptSIPVerifyIndirectData	(	SIP_SUBJECTINFO *	pSubjectInfo,
		SIP_INDIRECT_DATA *	pIndirectData
	)

Definition at line 760 of file sip.c.

{
    WINE_SIP_PROVIDER *sip;
    BOOL ret = FALSE;
 
    TRACE("(%p %p)\n", pSubjectInfo, pIndirectData);
 
    if ((sip = CRYPT_GetCachedSIP(pSubjectInfo->pgSubjectType)))
        ret = sip->info.pfVerify(pSubjectInfo, pIndirectData);
    TRACE("returning %d\n", ret);
    return ret;
}

Referenced by CryptSIPLoad(), and WINTRUST_SIPPAddProvider().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

crypt

)

Variable Documentation

providers

struct list providers = { &providers, &providers }

static

Definition at line 532 of file sip.c.

Referenced by CRYPT_CacheSIP(), CRYPT_GetCachedSIP(), crypt_sip_free(), and wnetInit().

providers_cs

static CRITICAL_SECTION providers_cs = { &providers_cs_debug, -1, 0, 0, 0, 0 }

static

Definition at line 533 of file sip.c.

Referenced by CRYPT_CacheSIP(), CRYPT_GetCachedSIP(), and crypt_sip_free().

providers_cs_debug

CRITICAL_SECTION_DEBUG providers_cs_debug

static

Initial value:

=
{
    0, 0, &providers_cs,
    { &providers_cs_debug.ProcessLocksList,
    &providers_cs_debug.ProcessLocksList },
    0, 0, { (DWORD_PTR)(__FILE__ ": providers_cs") }
}

Definition at line 534 of file sip.c.