/* * Implementation of the Microsoft Installer (msi.dll) * * Copyright 2002-2004 Mike McCormack for CodeWeavers * * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include <stdarg.h> #define COBJMACROS #include "windef.h" #include "winbase.h" #include "winuser.h" #include "winerror.h" #include "wine/debug.h" #include "wine/unicode.h" #include "msi.h" #include "msiquery.h" #include "msipriv.h" #include "objidl.h" #include "winnls.h" #include "ole2.h" #include "winreg.h" #include "shlwapi.h" #include "query.h" WINE_DEFAULT_DEBUG_CHANNEL(msidb); #define MSIFIELD_NULL 0 #define MSIFIELD_INT 1 #define MSIFIELD_WSTR 3 #define MSIFIELD_STREAM 4 #define MSIFIELD_INTPTR 5 static void MSI_FreeField( MSIFIELD *field ) { switch( field->type ) { case MSIFIELD_NULL: case MSIFIELD_INT: case MSIFIELD_INTPTR: break; case MSIFIELD_WSTR: msi_free( field->u.szwVal); break; case MSIFIELD_STREAM: IStream_Release( field->u.stream ); break; default: ERR("Invalid field type %d\n", field->type); } } void MSI_CloseRecord( MSIOBJECTHDR *arg ) { MSIRECORD *rec = (MSIRECORD *) arg; UINT i; for( i=0; i<=rec->count; i++ ) MSI_FreeField( &rec->fields[i] ); } MSIRECORD *MSI_CreateRecord( UINT cParams ) { MSIRECORD *rec; TRACE("%d\n", cParams); if( cParams>65535 ) return NULL; rec = alloc_msiobject( MSIHANDLETYPE_RECORD, FIELD_OFFSET(MSIRECORD, fields[cParams + 1]), MSI_CloseRecord ); if( rec ) rec->count = cParams; return rec; } MSIHANDLE WINAPI MsiCreateRecord( UINT cParams ) { MSIRECORD *rec; MSIHANDLE ret = 0; TRACE("%d\n", cParams); rec = MSI_CreateRecord( cParams ); if( rec ) { ret = alloc_msihandle( &rec->hdr ); msiobj_release( &rec->hdr ); } return ret; } UINT MSI_RecordGetFieldCount( const MSIRECORD *rec ) { return rec->count; } UINT WINAPI MsiRecordGetFieldCount( MSIHANDLE handle ) { MSIRECORD *rec; UINT ret; TRACE("%d\n", handle ); rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD ); if( !rec ) return -1; msiobj_lock( &rec->hdr ); ret = MSI_RecordGetFieldCount( rec ); msiobj_unlock( &rec->hdr ); msiobj_release( &rec->hdr ); return ret; } static BOOL string2intW( LPCWSTR str, int *out ) { int x = 0; LPCWSTR p = str; if( *p == '-' ) /* skip the minus sign */ p++; while ( *p ) { if( (*p < '0') || (*p > '9') ) return FALSE; x *= 10; x += (*p - '0'); p++; } if( str[0] == '-' ) /* check if it's negative */ x = -x; *out = x; return TRUE; } WCHAR *msi_strdupW( const WCHAR *value, int len ) { WCHAR *ret; if (!value) return NULL; if (!(ret = msi_alloc( (len + 1) * sizeof(WCHAR) ))) return NULL; memcpy( ret, value, len * sizeof(WCHAR) ); ret[len] = 0; return ret; } UINT MSI_RecordCopyField( MSIRECORD *in_rec, UINT in_n, MSIRECORD *out_rec, UINT out_n ) { UINT r = ERROR_SUCCESS; msiobj_lock( &in_rec->hdr ); if ( in_n > in_rec->count || out_n > out_rec->count ) r = ERROR_FUNCTION_FAILED; else if ( in_rec != out_rec || in_n != out_n ) { LPWSTR str; MSIFIELD *in, *out; in = &in_rec->fields[in_n]; out = &out_rec->fields[out_n]; switch ( in->type ) { case MSIFIELD_NULL: break; case MSIFIELD_INT: out->u.iVal = in->u.iVal; break; case MSIFIELD_INTPTR: out->u.pVal = in->u.pVal; break; case MSIFIELD_WSTR: if ((str = msi_strdupW( in->u.szwVal, in->len ))) { out->u.szwVal = str; out->len = in->len; } else r = ERROR_OUTOFMEMORY; break; case MSIFIELD_STREAM: IStream_AddRef( in->u.stream ); out->u.stream = in->u.stream; break; default: ERR("invalid field type %d\n", in->type); } if (r == ERROR_SUCCESS) out->type = in->type; } msiobj_unlock( &in_rec->hdr ); return r; } INT_PTR MSI_RecordGetIntPtr( MSIRECORD *rec, UINT iField ) { int ret; TRACE( "%p %d\n", rec, iField ); if( iField > rec->count ) return MININT_PTR; switch( rec->fields[iField].type ) { case MSIFIELD_INT: return rec->fields[iField].u.iVal; case MSIFIELD_INTPTR: return rec->fields[iField].u.pVal; case MSIFIELD_WSTR: if( string2intW( rec->fields[iField].u.szwVal, &ret ) ) return ret; return MININT_PTR; default: break; } return MININT_PTR; } int MSI_RecordGetInteger( MSIRECORD *rec, UINT iField) { int ret = 0; TRACE("%p %d\n", rec, iField ); if( iField > rec->count ) return MSI_NULL_INTEGER; switch( rec->fields[iField].type ) { case MSIFIELD_INT: return rec->fields[iField].u.iVal; case MSIFIELD_INTPTR: return rec->fields[iField].u.pVal; case MSIFIELD_WSTR: if( string2intW( rec->fields[iField].u.szwVal, &ret ) ) return ret; return MSI_NULL_INTEGER; default: break; } return MSI_NULL_INTEGER; } int WINAPI MsiRecordGetInteger( MSIHANDLE handle, UINT iField) { MSIRECORD *rec; UINT ret; TRACE("%d %d\n", handle, iField ); rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD ); if( !rec ) return MSI_NULL_INTEGER; msiobj_lock( &rec->hdr ); ret = MSI_RecordGetInteger( rec, iField ); msiobj_unlock( &rec->hdr ); msiobj_release( &rec->hdr ); return ret; } UINT WINAPI MsiRecordClearData( MSIHANDLE handle ) { MSIRECORD *rec; UINT i; TRACE("%d\n", handle ); rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD ); if( !rec ) return ERROR_INVALID_HANDLE; msiobj_lock( &rec->hdr ); for( i=0; i<=rec->count; i++) { MSI_FreeField( &rec->fields[i] ); rec->fields[i].type = MSIFIELD_NULL; rec->fields[i].u.iVal = 0; } msiobj_unlock( &rec->hdr ); msiobj_release( &rec->hdr ); return ERROR_SUCCESS; } UINT MSI_RecordSetIntPtr( MSIRECORD *rec, UINT iField, INT_PTR pVal ) { TRACE("%p %u %ld\n", rec, iField, pVal); if( iField > rec->count ) return ERROR_INVALID_PARAMETER; MSI_FreeField( &rec->fields[iField] ); rec->fields[iField].type = MSIFIELD_INTPTR; rec->fields[iField].u.pVal = pVal; return ERROR_SUCCESS; } UINT MSI_RecordSetInteger( MSIRECORD *rec, UINT iField, int iVal ) { TRACE("%p %u %d\n", rec, iField, iVal); if( iField > rec->count ) return ERROR_INVALID_PARAMETER; MSI_FreeField( &rec->fields[iField] ); rec->fields[iField].type = MSIFIELD_INT; rec->fields[iField].u.iVal = iVal; return ERROR_SUCCESS; } UINT WINAPI MsiRecordSetInteger( MSIHANDLE handle, UINT iField, int iVal ) { MSIRECORD *rec; UINT ret; TRACE("%d %u %d\n", handle, iField, iVal); rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD ); if( !rec ) return ERROR_INVALID_HANDLE; msiobj_lock( &rec->hdr ); ret = MSI_RecordSetInteger( rec, iField, iVal ); msiobj_unlock( &rec->hdr ); msiobj_release( &rec->hdr ); return ret; } BOOL MSI_RecordIsNull( MSIRECORD *rec, UINT iField ) { BOOL r = TRUE; TRACE("%p %d\n", rec, iField ); r = ( iField > rec->count ) || ( rec->fields[iField].type == MSIFIELD_NULL ); return r; } BOOL WINAPI MsiRecordIsNull( MSIHANDLE handle, UINT iField ) { MSIRECORD *rec; UINT ret; TRACE("%d %d\n", handle, iField ); rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD ); if( !rec ) return FALSE; msiobj_lock( &rec->hdr ); ret = MSI_RecordIsNull( rec, iField ); msiobj_unlock( &rec->hdr ); msiobj_release( &rec->hdr ); return ret; } UINT MSI_RecordGetStringA(MSIRECORD *rec, UINT iField, LPSTR szValue, LPDWORD pcchValue) { UINT len = 0, ret = ERROR_SUCCESS; CHAR buffer[16]; TRACE("%p %d %p %p\n", rec, iField, szValue, pcchValue); if( iField > rec->count ) { if ( szValue && *pcchValue > 0 ) szValue[0] = 0; *pcchValue = 0; return ERROR_SUCCESS; } switch( rec->fields[iField].type ) { case MSIFIELD_INT: wsprintfA(buffer, "%d", rec->fields[iField].u.iVal); len = lstrlenA( buffer ); if (szValue) lstrcpynA(szValue, buffer, *pcchValue); break; case MSIFIELD_WSTR: len = WideCharToMultiByte( CP_ACP, 0, rec->fields[iField].u.szwVal, rec->fields[iField].len + 1, NULL, 0 , NULL, NULL ); if (szValue) WideCharToMultiByte( CP_ACP, 0, rec->fields[iField].u.szwVal, rec->fields[iField].len + 1, szValue, *pcchValue, NULL, NULL ); if( szValue && *pcchValue && len>*pcchValue ) szValue[*pcchValue-1] = 0; if( len ) len--; break; case MSIFIELD_NULL: if( szValue && *pcchValue > 0 ) szValue[0] = 0; break; default: ret = ERROR_INVALID_PARAMETER; break; } if( szValue && *pcchValue <= len ) ret = ERROR_MORE_DATA; *pcchValue = len; return ret; } UINT WINAPI MsiRecordGetStringA(MSIHANDLE handle, UINT iField, LPSTR szValue, LPDWORD pcchValue) { MSIRECORD *rec; UINT ret; TRACE("%d %d %p %p\n", handle, iField, szValue, pcchValue); rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD ); if( !rec ) return ERROR_INVALID_HANDLE; msiobj_lock( &rec->hdr ); ret = MSI_RecordGetStringA( rec, iField, szValue, pcchValue); msiobj_unlock( &rec->hdr ); msiobj_release( &rec->hdr ); return ret; } const WCHAR *msi_record_get_string( const MSIRECORD *rec, UINT field, int *len ) { if (field > rec->count) return NULL; if (rec->fields[field].type != MSIFIELD_WSTR) return NULL; if (len) *len = rec->fields[field].len; return rec->fields[field].u.szwVal; } const WCHAR *MSI_RecordGetString( const MSIRECORD *rec, UINT iField ) { return msi_record_get_string( rec, iField, NULL ); } UINT MSI_RecordGetStringW(MSIRECORD *rec, UINT iField, LPWSTR szValue, LPDWORD pcchValue) { static const WCHAR szFormat[] = {'%','d',0}; UINT len = 0, ret = ERROR_SUCCESS; WCHAR buffer[16]; TRACE("%p %d %p %p\n", rec, iField, szValue, pcchValue); if( iField > rec->count ) { if ( szValue && *pcchValue > 0 ) szValue[0] = 0; *pcchValue = 0; return ERROR_SUCCESS; } switch( rec->fields[iField].type ) { case MSIFIELD_INT: wsprintfW(buffer, szFormat, rec->fields[iField].u.iVal); len = lstrlenW( buffer ); if (szValue) lstrcpynW(szValue, buffer, *pcchValue); break; case MSIFIELD_WSTR: len = rec->fields[iField].len; if (szValue) memcpy( szValue, rec->fields[iField].u.szwVal, min(len + 1, *pcchValue) * sizeof(WCHAR) ); break; case MSIFIELD_NULL: if( szValue && *pcchValue > 0 ) szValue[0] = 0; break; default: break; } if( szValue && *pcchValue <= len ) ret = ERROR_MORE_DATA; *pcchValue = len; return ret; } UINT WINAPI MsiRecordGetStringW(MSIHANDLE handle, UINT iField, LPWSTR szValue, LPDWORD pcchValue) { MSIRECORD *rec; UINT ret; TRACE("%d %d %p %p\n", handle, iField, szValue, pcchValue); rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD ); if( !rec ) return ERROR_INVALID_HANDLE; msiobj_lock( &rec->hdr ); ret = MSI_RecordGetStringW( rec, iField, szValue, pcchValue ); msiobj_unlock( &rec->hdr ); msiobj_release( &rec->hdr ); return ret; } static UINT msi_get_stream_size( IStream *stm ) { STATSTG stat; HRESULT r; r = IStream_Stat( stm, &stat, STATFLAG_NONAME ); if( FAILED(r) ) return 0; return stat.cbSize.QuadPart; } static UINT MSI_RecordDataSize(MSIRECORD *rec, UINT iField) { TRACE("%p %d\n", rec, iField); if( iField > rec->count ) return 0; switch( rec->fields[iField].type ) { case MSIFIELD_INT: return sizeof (INT); case MSIFIELD_WSTR: return rec->fields[iField].len; case MSIFIELD_NULL: break; case MSIFIELD_STREAM: return msi_get_stream_size( rec->fields[iField].u.stream ); } return 0; } UINT WINAPI MsiRecordDataSize(MSIHANDLE handle, UINT iField) { MSIRECORD *rec; UINT ret; TRACE("%d %d\n", handle, iField); rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD ); if( !rec ) return 0; msiobj_lock( &rec->hdr ); ret = MSI_RecordDataSize( rec, iField); msiobj_unlock( &rec->hdr ); msiobj_release( &rec->hdr ); return ret; } UINT WINAPI MsiRecordSetStringA( MSIHANDLE handle, UINT iField, LPCSTR szValue ) { WCHAR *valueW = NULL; MSIRECORD *rec; UINT ret; TRACE("%d %d %s\n", handle, iField, debugstr_a(szValue)); if (szValue && !(valueW = strdupAtoW( szValue ))) return ERROR_OUTOFMEMORY; rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD ); if( !rec ) { msi_free( valueW ); return ERROR_INVALID_HANDLE; } msiobj_lock( &rec->hdr ); ret = MSI_RecordSetStringW( rec, iField, valueW ); msiobj_unlock( &rec->hdr ); msiobj_release( &rec->hdr ); msi_free( valueW ); return ret; } UINT msi_record_set_string( MSIRECORD *rec, UINT field, const WCHAR *value, int len ) { if (field > rec->count) return ERROR_INVALID_FIELD; MSI_FreeField( &rec->fields[field] ); if (value && len < 0) len = strlenW( value ); if (value && len) { rec->fields[field].type = MSIFIELD_WSTR; rec->fields[field].u.szwVal = msi_strdupW( value, len ); rec->fields[field].len = len; } else { rec->fields[field].type = MSIFIELD_NULL; rec->fields[field].u.szwVal = NULL; rec->fields[field].len = 0; } return 0; } UINT MSI_RecordSetStringW( MSIRECORD *rec, UINT iField, LPCWSTR szValue ) { TRACE("%p %d %s\n", rec, iField, debugstr_w(szValue)); return msi_record_set_string( rec, iField, szValue, -1 ); } UINT WINAPI MsiRecordSetStringW( MSIHANDLE handle, UINT iField, LPCWSTR szValue ) { MSIRECORD *rec; UINT ret; TRACE("%d %d %s\n", handle, iField, debugstr_w(szValue)); rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD ); if( !rec ) return ERROR_INVALID_HANDLE; msiobj_lock( &rec->hdr ); ret = MSI_RecordSetStringW( rec, iField, szValue ); msiobj_unlock( &rec->hdr ); msiobj_release( &rec->hdr ); return ret; } /* read the data in a file into an IStream */ static UINT RECORD_StreamFromFile(LPCWSTR szFile, IStream **pstm) { DWORD sz, szHighWord = 0, read; HANDLE handle; HGLOBAL hGlob = 0; HRESULT hr; ULARGE_INTEGER ulSize; TRACE("reading %s\n", debugstr_w(szFile)); /* read the file into memory */ handle = CreateFileW(szFile, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL); if( handle == INVALID_HANDLE_VALUE ) return GetLastError(); sz = GetFileSize(handle, &szHighWord); if( sz != INVALID_FILE_SIZE && szHighWord == 0 ) { hGlob = GlobalAlloc(GMEM_FIXED, sz); if( hGlob ) { BOOL r = ReadFile(handle, hGlob, sz, &read, NULL) && read == sz; if( !r ) { GlobalFree(hGlob); hGlob = 0; } } } CloseHandle(handle); if( !hGlob ) return ERROR_FUNCTION_FAILED; /* make a stream out of it, and set the correct file size */ hr = CreateStreamOnHGlobal(hGlob, TRUE, pstm); if( FAILED( hr ) ) { GlobalFree(hGlob); return ERROR_FUNCTION_FAILED; } /* set the correct size - CreateStreamOnHGlobal screws it up */ ulSize.QuadPart = sz; IStream_SetSize(*pstm, ulSize); TRACE("read %s, %d bytes into IStream %p\n", debugstr_w(szFile), sz, *pstm); return ERROR_SUCCESS; } UINT MSI_RecordSetStream(MSIRECORD *rec, UINT iField, IStream *stream) { if ( (iField == 0) || (iField > rec->count) ) return ERROR_INVALID_PARAMETER; MSI_FreeField( &rec->fields[iField] ); rec->fields[iField].type = MSIFIELD_STREAM; rec->fields[iField].u.stream = stream; return ERROR_SUCCESS; } UINT MSI_RecordSetStreamFromFileW(MSIRECORD *rec, UINT iField, LPCWSTR szFilename) { IStream *stm = NULL; HRESULT r; if( (iField == 0) || (iField > rec->count) ) return ERROR_INVALID_PARAMETER; /* no filename means we should seek back to the start of the stream */ if( !szFilename ) { LARGE_INTEGER ofs; ULARGE_INTEGER cur; if( rec->fields[iField].type != MSIFIELD_STREAM ) return ERROR_INVALID_FIELD; stm = rec->fields[iField].u.stream; if( !stm ) return ERROR_INVALID_FIELD; ofs.QuadPart = 0; r = IStream_Seek( stm, ofs, STREAM_SEEK_SET, &cur ); if( FAILED( r ) ) return ERROR_FUNCTION_FAILED; } else { /* read the file into a stream and save the stream in the record */ r = RECORD_StreamFromFile(szFilename, &stm); if( r != ERROR_SUCCESS ) return r; /* if all's good, store it in the record */ MSI_RecordSetStream(rec, iField, stm); } return ERROR_SUCCESS; } UINT WINAPI MsiRecordSetStreamA(MSIHANDLE hRecord, UINT iField, LPCSTR szFilename) { LPWSTR wstr = NULL; UINT ret; TRACE("%d %d %s\n", hRecord, iField, debugstr_a(szFilename)); if( szFilename ) { wstr = strdupAtoW( szFilename ); if( !wstr ) return ERROR_OUTOFMEMORY; } ret = MsiRecordSetStreamW(hRecord, iField, wstr); msi_free(wstr); return ret; } UINT WINAPI MsiRecordSetStreamW(MSIHANDLE handle, UINT iField, LPCWSTR szFilename) { MSIRECORD *rec; UINT ret; TRACE("%d %d %s\n", handle, iField, debugstr_w(szFilename)); rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD ); if( !rec ) return ERROR_INVALID_HANDLE; msiobj_lock( &rec->hdr ); ret = MSI_RecordSetStreamFromFileW( rec, iField, szFilename ); msiobj_unlock( &rec->hdr ); msiobj_release( &rec->hdr ); return ret; } UINT MSI_RecordReadStream(MSIRECORD *rec, UINT iField, char *buf, LPDWORD sz) { ULONG count; HRESULT r; IStream *stm; TRACE("%p %d %p %p\n", rec, iField, buf, sz); if( !sz ) return ERROR_INVALID_PARAMETER; if( iField > rec->count) return ERROR_INVALID_PARAMETER; if ( rec->fields[iField].type == MSIFIELD_NULL ) { *sz = 0; return ERROR_INVALID_DATA; } if( rec->fields[iField].type != MSIFIELD_STREAM ) return ERROR_INVALID_DATATYPE; stm = rec->fields[iField].u.stream; if( !stm ) return ERROR_INVALID_PARAMETER; /* if there's no buffer pointer, calculate the length to the end */ if( !buf ) { LARGE_INTEGER ofs; ULARGE_INTEGER end, cur; ofs.QuadPart = cur.QuadPart = 0; end.QuadPart = 0; IStream_Seek( stm, ofs, STREAM_SEEK_SET, &cur ); IStream_Seek( stm, ofs, STREAM_SEEK_END, &end ); ofs.QuadPart = cur.QuadPart; IStream_Seek( stm, ofs, STREAM_SEEK_SET, &cur ); *sz = end.QuadPart - cur.QuadPart; return ERROR_SUCCESS; } /* read the data */ count = 0; r = IStream_Read( stm, buf, *sz, &count ); if( FAILED( r ) ) { *sz = 0; return ERROR_FUNCTION_FAILED; } *sz = count; return ERROR_SUCCESS; } UINT WINAPI MsiRecordReadStream(MSIHANDLE handle, UINT iField, char *buf, LPDWORD sz) { MSIRECORD *rec; UINT ret; TRACE("%d %d %p %p\n", handle, iField, buf, sz); rec = msihandle2msiinfo( handle, MSIHANDLETYPE_RECORD ); if( !rec ) return ERROR_INVALID_HANDLE; msiobj_lock( &rec->hdr ); ret = MSI_RecordReadStream( rec, iField, buf, sz ); msiobj_unlock( &rec->hdr ); msiobj_release( &rec->hdr ); return ret; } UINT MSI_RecordSetIStream( MSIRECORD *rec, UINT iField, IStream *stm ) { TRACE("%p %d %p\n", rec, iField, stm); if( iField > rec->count ) return ERROR_INVALID_FIELD; MSI_FreeField( &rec->fields[iField] ); rec->fields[iField].type = MSIFIELD_STREAM; rec->fields[iField].u.stream = stm; IStream_AddRef( stm ); return ERROR_SUCCESS; } UINT MSI_RecordGetIStream( MSIRECORD *rec, UINT iField, IStream **pstm) { TRACE("%p %d %p\n", rec, iField, pstm); if( iField > rec->count ) return ERROR_INVALID_FIELD; if( rec->fields[iField].type != MSIFIELD_STREAM ) return ERROR_INVALID_FIELD; *pstm = rec->fields[iField].u.stream; IStream_AddRef( *pstm ); return ERROR_SUCCESS; } static UINT msi_dump_stream_to_file( IStream *stm, LPCWSTR name ) { ULARGE_INTEGER size; LARGE_INTEGER pos; IStream *out; DWORD stgm; HRESULT r; stgm = STGM_READWRITE | STGM_SHARE_EXCLUSIVE | STGM_FAILIFTHERE; r = SHCreateStreamOnFileW( name, stgm, &out ); if( FAILED( r ) ) return ERROR_FUNCTION_FAILED; pos.QuadPart = 0; r = IStream_Seek( stm, pos, STREAM_SEEK_END, &size ); if( FAILED( r ) ) goto end; pos.QuadPart = 0; r = IStream_Seek( stm, pos, STREAM_SEEK_SET, NULL ); if( FAILED( r ) ) goto end; r = IStream_CopyTo( stm, out, size, NULL, NULL ); end: IStream_Release( out ); if( FAILED( r ) ) return ERROR_FUNCTION_FAILED; return ERROR_SUCCESS; } UINT MSI_RecordStreamToFile( MSIRECORD *rec, UINT iField, LPCWSTR name ) { IStream *stm = NULL; UINT r; TRACE("%p %u %s\n", rec, iField, debugstr_w(name)); msiobj_lock( &rec->hdr ); r = MSI_RecordGetIStream( rec, iField, &stm ); if( r == ERROR_SUCCESS ) { r = msi_dump_stream_to_file( stm, name ); IStream_Release( stm ); } msiobj_unlock( &rec->hdr ); return r; } MSIRECORD *MSI_CloneRecord(MSIRECORD *rec) { MSIRECORD *clone; UINT r, i, count; count = MSI_RecordGetFieldCount(rec); clone = MSI_CreateRecord(count); if (!clone) return NULL; for (i = 0; i <= count; i++) { if (rec->fields[i].type == MSIFIELD_STREAM) { if (FAILED(IStream_Clone(rec->fields[i].u.stream, &clone->fields[i].u.stream))) { msiobj_release(&clone->hdr); return NULL; } clone->fields[i].type = MSIFIELD_STREAM; } else { r = MSI_RecordCopyField(rec, i, clone, i); if (r != ERROR_SUCCESS) { msiobj_release(&clone->hdr); return NULL; } } } return clone; } BOOL MSI_RecordsAreFieldsEqual(MSIRECORD *a, MSIRECORD *b, UINT field) { if (a->fields[field].type != b->fields[field].type) return FALSE; switch (a->fields[field].type) { case MSIFIELD_NULL: break; case MSIFIELD_INT: if (a->fields[field].u.iVal != b->fields[field].u.iVal) return FALSE; break; case MSIFIELD_WSTR: if (a->fields[field].len != b->fields[field].len) return FALSE; if (memcmp( a->fields[field].u.szwVal, b->fields[field].u.szwVal, a->fields[field].len * sizeof(WCHAR) )) return FALSE; break; case MSIFIELD_STREAM: default: return FALSE; } return TRUE; } BOOL MSI_RecordsAreEqual(MSIRECORD *a, MSIRECORD *b) { UINT i; if (a->count != b->count) return FALSE; for (i = 0; i <= a->count; i++) { if (!MSI_RecordsAreFieldsEqual( a, b, i )) return FALSE; } return TRUE; } WCHAR *msi_dup_record_field( MSIRECORD *rec, INT field ) { DWORD sz = 0; WCHAR *str; UINT r; if (MSI_RecordIsNull( rec, field )) return NULL; r = MSI_RecordGetStringW( rec, field, NULL, &sz ); if (r != ERROR_SUCCESS) return NULL; sz++; str = msi_alloc( sz * sizeof(WCHAR) ); if (!str) return NULL; str[0] = 0; r = MSI_RecordGetStringW( rec, field, str, &sz ); if (r != ERROR_SUCCESS) { ERR("failed to get string!\n"); msi_free( str ); return NULL; } return str; }