/* * Wininet - Url Cache functions * * Copyright 2001,2002 CodeWeavers * Copyright 2003-2008 Robert Shearman * * Eric Kohl * Aric Stewart * * 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 "config.h" #include "wine/port.h" #define NONAMELESSUNION #define NONAMELESSSTRUCT #if defined(__MINGW32__) || defined (_MSC_VER) #include #endif #include #include #include #include #include #ifdef HAVE_SYS_SOCKET_H # include #endif #include #include "windef.h" #include "winbase.h" #include "winuser.h" #include "wininet.h" #include "winineti.h" #include "winerror.h" #include "winreg.h" #include "shlwapi.h" #include "shlobj.h" #include "shellapi.h" #include "internet.h" #include "wine/unicode.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(wininet); static const char urlcache_ver_prefix[] = "WINE URLCache Ver "; static const char urlcache_ver[] = "0.2012001"; #define ENTRY_START_OFFSET 0x4000 #define DIR_LENGTH 8 #define MAX_DIR_NO 0x20 #define BLOCKSIZE 128 #define HASHTABLE_SIZE 448 #define HASHTABLE_NUM_ENTRIES 64 /* this needs to be power of 2, that divides HASHTABLE_SIZE */ #define HASHTABLE_BLOCKSIZE (HASHTABLE_SIZE / HASHTABLE_NUM_ENTRIES) #define ALLOCATION_TABLE_OFFSET 0x250 #define ALLOCATION_TABLE_SIZE (ENTRY_START_OFFSET - ALLOCATION_TABLE_OFFSET) #define MIN_BLOCK_NO 0x80 #define MAX_BLOCK_NO (ALLOCATION_TABLE_SIZE * 8) #define FILE_SIZE(blocks) ((blocks) * BLOCKSIZE + ENTRY_START_OFFSET) #define HASHTABLE_URL 0 #define HASHTABLE_DEL 1 #define HASHTABLE_LOCK 2 #define HASHTABLE_FREE 3 #define HASHTABLE_REDR 5 #define HASHTABLE_FLAG_BITS 6 #define PENDING_DELETE_CACHE_ENTRY 0x00400000 #define INSTALLED_CACHE_ENTRY 0x10000000 #define GET_INSTALLED_ENTRY 0x200 #define CACHE_CONTAINER_NO_SUBDIR 0xFE #define CACHE_HEADER_DATA_ROOT_LEAK_OFFSET 0x16 #define FILETIME_SECOND 10000000 #define DWORD_SIG(a,b,c,d) (a | (b << 8) | (c << 16) | (d << 24)) #define URL_SIGNATURE DWORD_SIG('U','R','L',' ') #define REDR_SIGNATURE DWORD_SIG('R','E','D','R') #define LEAK_SIGNATURE DWORD_SIG('L','E','A','K') #define HASH_SIGNATURE DWORD_SIG('H','A','S','H') #define DWORD_ALIGN(x) ( (DWORD)(((DWORD)(x)+sizeof(DWORD)-1)/sizeof(DWORD))*sizeof(DWORD) ) typedef struct _CACHEFILE_ENTRY { /* union {*/ DWORD dwSignature; /* e.g. "URL " */ /* CHAR szSignature[4]; };*/ DWORD dwBlocksUsed; /* number of 128byte blocks used by this entry */ } CACHEFILE_ENTRY; typedef struct _URL_CACHEFILE_ENTRY { CACHEFILE_ENTRY CacheFileEntry; FILETIME LastModifiedTime; FILETIME LastAccessTime; WORD wExpiredDate; /* expire date in dos format */ WORD wExpiredTime; /* expire time in dos format */ DWORD dwUnknown1; /* usually zero */ ULARGE_INTEGER size; /* see INTERNET_CACHE_ENTRY_INFO::dwSizeLow/High */ DWORD dwUnknown2; /* usually zero */ DWORD dwExemptDelta; /* see INTERNET_CACHE_ENTRY_INFO::dwExemptDelta */ DWORD dwUnknown3; /* usually 0x60 */ DWORD dwOffsetUrl; /* offset of start of url from start of entry */ BYTE CacheDir; /* index of cache directory this url is stored in */ BYTE Unknown4; /* usually zero */ WORD wUnknown5; /* usually 0x1010 */ DWORD dwOffsetLocalName; /* offset of start of local filename from start of entry */ DWORD CacheEntryType; /* see INTERNET_CACHE_ENTRY_INFO::CacheEntryType */ DWORD dwOffsetHeaderInfo; /* offset of start of header info from start of entry */ DWORD dwHeaderInfoSize; DWORD dwOffsetFileExtension; /* offset of start of file extension from start of entry */ WORD wLastSyncDate; /* last sync date in dos format */ WORD wLastSyncTime; /* last sync time in dos format */ DWORD dwHitRate; /* see INTERNET_CACHE_ENTRY_INFO::dwHitRate */ DWORD dwUseCount; /* see INTERNET_CACHE_ENTRY_INFO::dwUseCount */ WORD LastWriteDate; WORD LastWriteTime; DWORD dwUnknown7; /* usually zero */ DWORD dwUnknown8; /* usually zero */ /* packing to dword align start of next field */ /* CHAR szSourceUrlName[]; (url) */ /* packing to dword align start of next field */ /* CHAR szLocalFileName[]; (local file name excluding path) */ /* packing to dword align start of next field */ /* CHAR szHeaderInfo[]; (header info) */ } URL_CACHEFILE_ENTRY; struct _HASH_ENTRY { DWORD dwHashKey; DWORD dwOffsetEntry; }; typedef struct _HASH_CACHEFILE_ENTRY { CACHEFILE_ENTRY CacheFileEntry; DWORD dwAddressNext; DWORD dwHashTableNumber; struct _HASH_ENTRY HashTable[HASHTABLE_SIZE]; } HASH_CACHEFILE_ENTRY; typedef struct _DIRECTORY_DATA { DWORD dwNumFiles; char filename[DIR_LENGTH]; } DIRECTORY_DATA; typedef struct _URLCACHE_HEADER { char szSignature[28]; DWORD dwFileSize; DWORD dwOffsetFirstHashTable; DWORD dwIndexCapacityInBlocks; DWORD dwBlocksInUse; DWORD dwUnknown1; ULARGE_INTEGER CacheLimit; ULARGE_INTEGER CacheUsage; ULARGE_INTEGER ExemptUsage; DWORD DirectoryCount; DIRECTORY_DATA directory_data[MAX_DIR_NO]; DWORD options[0x21]; BYTE allocation_table[ALLOCATION_TABLE_SIZE]; } URLCACHE_HEADER, *LPURLCACHE_HEADER; typedef const URLCACHE_HEADER *LPCURLCACHE_HEADER; typedef struct _STREAM_HANDLE { HANDLE hFile; CHAR lpszUrl[1]; } STREAM_HANDLE; typedef struct _URLCACHECONTAINER { struct list entry; /* part of a list */ LPWSTR cache_prefix; /* string that has to be prefixed for this container to be used */ LPWSTR path; /* path to url container directory */ HANDLE hMapping; /* handle of file mapping */ DWORD file_size; /* size of file when mapping was opened */ HANDLE hMutex; /* handle of mutex */ DWORD default_entry_type; } URLCACHECONTAINER; /* List of all containers available */ static struct list UrlContainers = LIST_INIT(UrlContainers); static DWORD URLCache_CreateHashTable(LPURLCACHE_HEADER pHeader, HASH_CACHEFILE_ENTRY *pPrevHash, HASH_CACHEFILE_ENTRY **ppHash); /*********************************************************************** * URLCache_PathToObjectName (Internal) * * Converts a path to a name suitable for use as a Win32 object name. * Replaces '\\' characters in-place with the specified character * (usually '_' or '!') * * RETURNS * nothing * */ static void URLCache_PathToObjectName(LPWSTR lpszPath, WCHAR replace) { for (; *lpszPath; lpszPath++) { if (*lpszPath == '\\') *lpszPath = replace; } } /*********************************************************************** * URLCacheContainer_OpenIndex (Internal) * * Opens the index file and saves mapping handle in hCacheIndexMapping * * RETURNS * ERROR_SUCCESS if succeeded * Any other Win32 error code if failed * */ static DWORD URLCacheContainer_OpenIndex(URLCACHECONTAINER * pContainer, DWORD blocks_no) { HANDLE hFile; WCHAR wszFilePath[MAX_PATH]; DWORD dwFileSize, new_file_size; static const WCHAR wszIndex[] = {'i','n','d','e','x','.','d','a','t',0}; static const WCHAR wszMappingFormat[] = {'%','s','%','s','_','%','l','u',0}; WaitForSingleObject(pContainer->hMutex, INFINITE); if (pContainer->hMapping) { ReleaseMutex(pContainer->hMutex); return ERROR_SUCCESS; } strcpyW(wszFilePath, pContainer->path); strcatW(wszFilePath, wszIndex); hFile = CreateFileW(wszFilePath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, 0, NULL); if (hFile == INVALID_HANDLE_VALUE) { /* Maybe the directory wasn't there? Try to create it */ if (CreateDirectoryW(pContainer->path, 0)) hFile = CreateFileW(wszFilePath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, 0, NULL); } if (hFile == INVALID_HANDLE_VALUE) { TRACE("Could not open or create cache index file \"%s\"\n", debugstr_w(wszFilePath)); ReleaseMutex(pContainer->hMutex); return GetLastError(); } dwFileSize = GetFileSize(hFile, NULL); if (dwFileSize == INVALID_FILE_SIZE) { ReleaseMutex(pContainer->hMutex); return GetLastError(); } if (blocks_no < MIN_BLOCK_NO) blocks_no = MIN_BLOCK_NO; else if (blocks_no > MAX_BLOCK_NO) blocks_no = MAX_BLOCK_NO; new_file_size = FILE_SIZE(blocks_no); if (dwFileSize < new_file_size) { static const CHAR szCacheContent[] = "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Cache\\Content"; HKEY key; char achZeroes[0x1000]; DWORD dwOffset; DWORD dwError = ERROR_SUCCESS; if (SetFilePointer(hFile, 0, NULL, FILE_END) == INVALID_SET_FILE_POINTER) dwError = GetLastError(); /* Write zeroes to the entire file so we can safely map it without * fear of getting a SEGV because the disk is full. */ memset(achZeroes, 0, sizeof(achZeroes)); for (dwOffset = dwFileSize; dwOffsetdwFileSize = new_file_size; pHeader->dwIndexCapacityInBlocks = blocks_no; } else if (pHeader) { WCHAR *pwchDir; WCHAR wszDirPath[MAX_PATH]; FILETIME ft; int i, j; HASH_CACHEFILE_ENTRY *pHashEntry; /* First set some constants and defaults in the header */ memcpy(pHeader->szSignature, urlcache_ver_prefix, sizeof(urlcache_ver_prefix)-1); memcpy(pHeader->szSignature+sizeof(urlcache_ver_prefix)-1, urlcache_ver, sizeof(urlcache_ver)-1); pHeader->dwFileSize = new_file_size; pHeader->dwIndexCapacityInBlocks = blocks_no; /* 127MB - taken from default for Windows 2000 */ pHeader->CacheLimit.QuadPart = 0x07ff5400; /* Copied from a Windows 2000 cache index */ pHeader->DirectoryCount = pContainer->default_entry_type==NORMAL_CACHE_ENTRY ? 4 : 0; /* If the registry has a cache size set, use the registry value */ if (RegOpenKeyA(HKEY_CURRENT_USER, szCacheContent, &key) == ERROR_SUCCESS) { DWORD dw; DWORD len = sizeof(dw); DWORD keytype; if (RegQueryValueExA(key, "CacheLimit", NULL, &keytype, (BYTE *) &dw, &len) == ERROR_SUCCESS && keytype == REG_DWORD) { pHeader->CacheLimit.QuadPart = (ULONGLONG)dw * 1024; } RegCloseKey(key); } URLCache_CreateHashTable(pHeader, NULL, &pHashEntry); /* Last step - create the directories */ strcpyW(wszDirPath, pContainer->path); pwchDir = wszDirPath + strlenW(wszDirPath); pwchDir[8] = 0; GetSystemTimeAsFileTime(&ft); for (i = 0; !dwError && i < pHeader->DirectoryCount; ++i) { pHeader->directory_data[i].dwNumFiles = 0; for (j = 0;; ++j) { int k; ULONGLONG n = ft.dwHighDateTime; /* Generate a file name to attempt to create. * This algorithm will create what will appear * to be random and unrelated directory names * of up to 9 characters in length. */ n <<= 32; n += ft.dwLowDateTime; n ^= ((ULONGLONG) i << 56) | ((ULONGLONG) j << 48); for (k = 0; k < 8; ++k) { int r = (n % 36); /* Dividing by a prime greater than 36 helps * with the appearance of randomness */ n /= 37; if (r < 10) pwchDir[k] = '0' + r; else pwchDir[k] = 'A' + (r - 10); } if (CreateDirectoryW(wszDirPath, 0)) { /* The following is OK because we generated an * 8 character directory name made from characters * [A-Z0-9], which are equivalent for all code * pages and for UTF-16 */ for (k = 0; k < 8; ++k) pHeader->directory_data[i].filename[k] = pwchDir[k]; break; } else if (j >= 255) { /* Give up. The most likely cause of this * is a full disk, but whatever the cause * is, it should be more than apparent that * we won't succeed. */ dwError = GetLastError(); break; } } } UnmapViewOfFile(pHeader); } else { dwError = GetLastError(); } dwFileSize = new_file_size; CloseHandle(hMapping); } else { dwError = GetLastError(); } } if (dwError) { CloseHandle(hFile); DeleteFileW(wszFilePath); ReleaseMutex(pContainer->hMutex); return dwError; } } pContainer->file_size = dwFileSize; wsprintfW(wszFilePath, wszMappingFormat, pContainer->path, wszIndex, dwFileSize); URLCache_PathToObjectName(wszFilePath, '_'); pContainer->hMapping = OpenFileMappingW(FILE_MAP_WRITE, FALSE, wszFilePath); if (!pContainer->hMapping) { pContainer->hMapping = CreateFileMappingW(hFile, NULL, PAGE_READWRITE, 0, 0, wszFilePath); CloseHandle(hFile); /* Validate cache index file on first open */ if (pContainer->hMapping && blocks_no==MIN_BLOCK_NO) { URLCACHE_HEADER *pHeader = MapViewOfFile(pContainer->hMapping, FILE_MAP_WRITE, 0, 0, 0); if (!pHeader) { ERR("MapViewOfFile failed (error is %d)\n", GetLastError()); CloseHandle(pContainer->hMapping); pContainer->hMapping = NULL; ReleaseMutex(pContainer->hMutex); return GetLastError(); } if (!memcmp(pHeader->szSignature, urlcache_ver_prefix, sizeof(urlcache_ver_prefix)-1) && memcmp(pHeader->szSignature+sizeof(urlcache_ver_prefix)-1, urlcache_ver, sizeof(urlcache_ver)-1)) { TRACE("detected wrong version of cache: %s, expected %s\n", pHeader->szSignature, urlcache_ver); UnmapViewOfFile(pHeader); FreeUrlCacheSpaceW(pContainer->path, 100, 0); } else { UnmapViewOfFile(pHeader); } } } else { CloseHandle(hFile); } if (!pContainer->hMapping) { ERR("Couldn't create file mapping (error is %d)\n", GetLastError()); ReleaseMutex(pContainer->hMutex); return GetLastError(); } ReleaseMutex(pContainer->hMutex); return ERROR_SUCCESS; } /*********************************************************************** * URLCacheContainer_CloseIndex (Internal) * * Closes the index * * RETURNS * nothing * */ static void URLCacheContainer_CloseIndex(URLCACHECONTAINER * pContainer) { CloseHandle(pContainer->hMapping); pContainer->hMapping = NULL; } static BOOL URLCacheContainers_AddContainer(LPCWSTR cache_prefix, LPCWSTR path, DWORD default_entry_type, LPWSTR mutex_name) { URLCACHECONTAINER * pContainer = heap_alloc(sizeof(URLCACHECONTAINER)); int cache_prefix_len = strlenW(cache_prefix); if (!pContainer) { return FALSE; } pContainer->hMapping = NULL; pContainer->file_size = 0; pContainer->default_entry_type = default_entry_type; pContainer->path = heap_strdupW(path); if (!pContainer->path) { heap_free(pContainer); return FALSE; } pContainer->cache_prefix = heap_alloc((cache_prefix_len + 1) * sizeof(WCHAR)); if (!pContainer->cache_prefix) { heap_free(pContainer->path); heap_free(pContainer); return FALSE; } memcpy(pContainer->cache_prefix, cache_prefix, (cache_prefix_len + 1) * sizeof(WCHAR)); CharLowerW(mutex_name); URLCache_PathToObjectName(mutex_name, '!'); if ((pContainer->hMutex = CreateMutexW(NULL, FALSE, mutex_name)) == NULL) { ERR("couldn't create mutex (error is %d)\n", GetLastError()); heap_free(pContainer->path); heap_free(pContainer); return FALSE; } list_add_head(&UrlContainers, &pContainer->entry); return TRUE; } static void URLCacheContainer_DeleteContainer(URLCACHECONTAINER * pContainer) { list_remove(&pContainer->entry); URLCacheContainer_CloseIndex(pContainer); CloseHandle(pContainer->hMutex); heap_free(pContainer->path); heap_free(pContainer->cache_prefix); heap_free(pContainer); } static void URLCacheContainers_CreateDefaults(void) { static const WCHAR UrlSuffix[] = {'C','o','n','t','e','n','t','.','I','E','5',0}; static const WCHAR UrlPrefix[] = {0}; static const WCHAR HistorySuffix[] = {'H','i','s','t','o','r','y','.','I','E','5',0}; static const WCHAR HistoryPrefix[] = {'V','i','s','i','t','e','d',':',0}; static const WCHAR CookieSuffix[] = {0}; static const WCHAR CookiePrefix[] = {'C','o','o','k','i','e',':',0}; static const struct { int nFolder; /* CSIDL_* constant */ const WCHAR * shpath_suffix; /* suffix on path returned by SHGetSpecialFolderPath */ const WCHAR * cache_prefix; /* prefix used to reference the container */ DWORD default_entry_type; } DefaultContainerData[] = { { CSIDL_INTERNET_CACHE, UrlSuffix, UrlPrefix, NORMAL_CACHE_ENTRY }, { CSIDL_HISTORY, HistorySuffix, HistoryPrefix, URLHISTORY_CACHE_ENTRY }, { CSIDL_COOKIES, CookieSuffix, CookiePrefix, COOKIE_CACHE_ENTRY }, }; DWORD i; for (i = 0; i < sizeof(DefaultContainerData) / sizeof(DefaultContainerData[0]); i++) { WCHAR wszCachePath[MAX_PATH]; WCHAR wszMutexName[MAX_PATH]; int path_len, suffix_len; if (!SHGetSpecialFolderPathW(NULL, wszCachePath, DefaultContainerData[i].nFolder, TRUE)) { ERR("Couldn't get path for default container %u\n", i); continue; } path_len = strlenW(wszCachePath); suffix_len = strlenW(DefaultContainerData[i].shpath_suffix); if (path_len + suffix_len + 2 > MAX_PATH) { ERR("Path too long\n"); continue; } wszCachePath[path_len] = '\\'; wszCachePath[path_len+1] = 0; strcpyW(wszMutexName, wszCachePath); if (suffix_len) { memcpy(wszCachePath + path_len + 1, DefaultContainerData[i].shpath_suffix, (suffix_len + 1) * sizeof(WCHAR)); wszCachePath[path_len + suffix_len + 1] = '\\'; wszCachePath[path_len + suffix_len + 2] = '\0'; } URLCacheContainers_AddContainer(DefaultContainerData[i].cache_prefix, wszCachePath, DefaultContainerData[i].default_entry_type, wszMutexName); } } static void URLCacheContainers_DeleteAll(void) { while(!list_empty(&UrlContainers)) URLCacheContainer_DeleteContainer( LIST_ENTRY(list_head(&UrlContainers), URLCACHECONTAINER, entry) ); } static DWORD URLCacheContainers_FindContainerW(LPCWSTR lpwszUrl, URLCACHECONTAINER ** ppContainer) { URLCACHECONTAINER * pContainer; TRACE("searching for prefix for URL: %s\n", debugstr_w(lpwszUrl)); if(!lpwszUrl) return ERROR_INVALID_PARAMETER; LIST_FOR_EACH_ENTRY(pContainer, &UrlContainers, URLCACHECONTAINER, entry) { int prefix_len = strlenW(pContainer->cache_prefix); if (!strncmpW(pContainer->cache_prefix, lpwszUrl, prefix_len)) { TRACE("found container with prefix %s for URL %s\n", debugstr_w(pContainer->cache_prefix), debugstr_w(lpwszUrl)); *ppContainer = pContainer; return ERROR_SUCCESS; } } ERR("no container found\n"); return ERROR_FILE_NOT_FOUND; } static DWORD URLCacheContainers_FindContainerA(LPCSTR lpszUrl, URLCACHECONTAINER ** ppContainer) { LPWSTR url = NULL; DWORD ret; if (lpszUrl && !(url = heap_strdupAtoW(lpszUrl))) return ERROR_OUTOFMEMORY; ret = URLCacheContainers_FindContainerW(url, ppContainer); heap_free(url); return ret; } static BOOL URLCacheContainers_Enum(LPCWSTR lpwszSearchPattern, DWORD dwIndex, URLCACHECONTAINER ** ppContainer) { DWORD i = 0; URLCACHECONTAINER * pContainer; TRACE("searching for prefix: %s\n", debugstr_w(lpwszSearchPattern)); /* non-NULL search pattern only returns one container ever */ if (lpwszSearchPattern && dwIndex > 0) return FALSE; LIST_FOR_EACH_ENTRY(pContainer, &UrlContainers, URLCACHECONTAINER, entry) { if (lpwszSearchPattern) { if (!strcmpW(pContainer->cache_prefix, lpwszSearchPattern)) { TRACE("found container with prefix %s\n", debugstr_w(pContainer->cache_prefix)); *ppContainer = pContainer; return TRUE; } } else { if (i == dwIndex) { TRACE("found container with prefix %s\n", debugstr_w(pContainer->cache_prefix)); *ppContainer = pContainer; return TRUE; } } i++; } return FALSE; } /*********************************************************************** * URLCacheContainer_LockIndex (Internal) * * Locks the index for system-wide exclusive access. * * RETURNS * Cache file header if successful * NULL if failed and calls SetLastError. */ static LPURLCACHE_HEADER URLCacheContainer_LockIndex(URLCACHECONTAINER * pContainer) { BYTE index; LPVOID pIndexData; URLCACHE_HEADER * pHeader; DWORD error; /* acquire mutex */ WaitForSingleObject(pContainer->hMutex, INFINITE); pIndexData = MapViewOfFile(pContainer->hMapping, FILE_MAP_WRITE, 0, 0, 0); if (!pIndexData) { ReleaseMutex(pContainer->hMutex); ERR("Couldn't MapViewOfFile. Error: %d\n", GetLastError()); return NULL; } pHeader = (URLCACHE_HEADER *)pIndexData; /* file has grown - we need to remap to prevent us getting * access violations when we try and access beyond the end * of the memory mapped file */ if (pHeader->dwFileSize != pContainer->file_size) { UnmapViewOfFile( pHeader ); URLCacheContainer_CloseIndex(pContainer); error = URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO); if (error != ERROR_SUCCESS) { ReleaseMutex(pContainer->hMutex); SetLastError(error); return NULL; } pIndexData = MapViewOfFile(pContainer->hMapping, FILE_MAP_WRITE, 0, 0, 0); if (!pIndexData) { ReleaseMutex(pContainer->hMutex); ERR("Couldn't MapViewOfFile. Error: %d\n", GetLastError()); return NULL; } pHeader = (URLCACHE_HEADER *)pIndexData; } TRACE("Signature: %s, file size: %d bytes\n", pHeader->szSignature, pHeader->dwFileSize); for (index = 0; index < pHeader->DirectoryCount; index++) { TRACE("Directory[%d] = \"%.8s\"\n", index, pHeader->directory_data[index].filename); } return pHeader; } /*********************************************************************** * URLCacheContainer_UnlockIndex (Internal) * */ static BOOL URLCacheContainer_UnlockIndex(URLCACHECONTAINER * pContainer, LPURLCACHE_HEADER pHeader) { /* release mutex */ ReleaseMutex(pContainer->hMutex); return UnmapViewOfFile(pHeader); } #ifndef CHAR_BIT #define CHAR_BIT (8 * sizeof(CHAR)) #endif /*********************************************************************** * URLCache_Allocation_BlockIsFree (Internal) * * Is the specified block number free? * * RETURNS * zero if free * non-zero otherwise * */ static inline BYTE URLCache_Allocation_BlockIsFree(BYTE * AllocationTable, DWORD dwBlockNumber) { BYTE mask = 1 << (dwBlockNumber % CHAR_BIT); return (AllocationTable[dwBlockNumber / CHAR_BIT] & mask) == 0; } /*********************************************************************** * URLCache_Allocation_BlockFree (Internal) * * Marks the specified block as free * * CAUTION * this function is not updating used blocks count * * RETURNS * nothing * */ static inline void URLCache_Allocation_BlockFree(BYTE * AllocationTable, DWORD dwBlockNumber) { BYTE mask = ~(1 << (dwBlockNumber % CHAR_BIT)); AllocationTable[dwBlockNumber / CHAR_BIT] &= mask; } /*********************************************************************** * URLCache_Allocation_BlockAllocate (Internal) * * Marks the specified block as allocated * * CAUTION * this function is not updating used blocks count * * RETURNS * nothing * */ static inline void URLCache_Allocation_BlockAllocate(BYTE * AllocationTable, DWORD dwBlockNumber) { BYTE mask = 1 << (dwBlockNumber % CHAR_BIT); AllocationTable[dwBlockNumber / CHAR_BIT] |= mask; } /*********************************************************************** * URLCache_FindFirstFreeEntry (Internal) * * Finds and allocates the first block of free space big enough and * sets ppEntry to point to it. * * RETURNS * ERROR_SUCCESS when free memory block was found * Any other Win32 error code if the entry could not be added * */ static DWORD URLCache_FindFirstFreeEntry(URLCACHE_HEADER * pHeader, DWORD dwBlocksNeeded, CACHEFILE_ENTRY ** ppEntry) { DWORD dwBlockNumber; DWORD dwFreeCounter; for (dwBlockNumber = 0; dwBlockNumber < pHeader->dwIndexCapacityInBlocks; dwBlockNumber++) { for (dwFreeCounter = 0; dwFreeCounter < dwBlocksNeeded && dwFreeCounter + dwBlockNumber < pHeader->dwIndexCapacityInBlocks && URLCache_Allocation_BlockIsFree(pHeader->allocation_table, dwBlockNumber + dwFreeCounter); dwFreeCounter++) TRACE("Found free block at no. %d (0x%x)\n", dwBlockNumber, ENTRY_START_OFFSET + dwBlockNumber * BLOCKSIZE); if (dwFreeCounter == dwBlocksNeeded) { DWORD index; TRACE("Found free blocks starting at no. %d (0x%x)\n", dwBlockNumber, ENTRY_START_OFFSET + dwBlockNumber * BLOCKSIZE); for (index = 0; index < dwBlocksNeeded; index++) URLCache_Allocation_BlockAllocate(pHeader->allocation_table, dwBlockNumber + index); *ppEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + ENTRY_START_OFFSET + dwBlockNumber * BLOCKSIZE); for (index = 0; index < dwBlocksNeeded * BLOCKSIZE / sizeof(DWORD); index++) ((DWORD*)*ppEntry)[index] = 0xdeadbeef; (*ppEntry)->dwBlocksUsed = dwBlocksNeeded; pHeader->dwBlocksInUse += dwBlocksNeeded; return ERROR_SUCCESS; } } return ERROR_HANDLE_DISK_FULL; } /*********************************************************************** * URLCache_DeleteEntry (Internal) * * Deletes the specified entry and frees the space allocated to it * * RETURNS * TRUE if it succeeded * FALSE if it failed * */ static BOOL URLCache_DeleteEntry(LPURLCACHE_HEADER pHeader, CACHEFILE_ENTRY * pEntry) { DWORD dwStartBlock; DWORD dwBlock; /* update allocation table */ dwStartBlock = ((DWORD)((BYTE *)pEntry - (BYTE *)pHeader) - ENTRY_START_OFFSET) / BLOCKSIZE; for (dwBlock = dwStartBlock; dwBlock < dwStartBlock + pEntry->dwBlocksUsed; dwBlock++) URLCache_Allocation_BlockFree(pHeader->allocation_table, dwBlock); pHeader->dwBlocksInUse -= pEntry->dwBlocksUsed; return TRUE; } /*********************************************************************** * URLCache_LocalFileNameToPathW (Internal) * * Copies the full path to the specified buffer given the local file * name and the index of the directory it is in. Always sets value in * lpBufferSize to the required buffer size (in bytes). * * RETURNS * TRUE if the buffer was big enough * FALSE if the buffer was too small * */ static BOOL URLCache_LocalFileNameToPathW( const URLCACHECONTAINER * pContainer, LPCURLCACHE_HEADER pHeader, LPCSTR szLocalFileName, BYTE Directory, LPWSTR wszPath, LPLONG lpBufferSize) { LONG nRequired; int path_len = strlenW(pContainer->path); int file_name_len = MultiByteToWideChar(CP_ACP, 0, szLocalFileName, -1, NULL, 0); if (Directory!=CACHE_CONTAINER_NO_SUBDIR && Directory>=pHeader->DirectoryCount) { *lpBufferSize = 0; return FALSE; } nRequired = (path_len + file_name_len) * sizeof(WCHAR); if(Directory != CACHE_CONTAINER_NO_SUBDIR) nRequired += (DIR_LENGTH + 1) * sizeof(WCHAR); if (nRequired <= *lpBufferSize) { int dir_len; memcpy(wszPath, pContainer->path, path_len * sizeof(WCHAR)); if (Directory != CACHE_CONTAINER_NO_SUBDIR) { dir_len = MultiByteToWideChar(CP_ACP, 0, pHeader->directory_data[Directory].filename, DIR_LENGTH, wszPath + path_len, DIR_LENGTH); wszPath[dir_len + path_len] = '\\'; dir_len++; } else { dir_len = 0; } MultiByteToWideChar(CP_ACP, 0, szLocalFileName, -1, wszPath + dir_len + path_len, file_name_len); *lpBufferSize = nRequired; return TRUE; } *lpBufferSize = nRequired; return FALSE; } /*********************************************************************** * URLCache_LocalFileNameToPathA (Internal) * * Copies the full path to the specified buffer given the local file * name and the index of the directory it is in. Always sets value in * lpBufferSize to the required buffer size. * * RETURNS * TRUE if the buffer was big enough * FALSE if the buffer was too small * */ static BOOL URLCache_LocalFileNameToPathA( const URLCACHECONTAINER * pContainer, LPCURLCACHE_HEADER pHeader, LPCSTR szLocalFileName, BYTE Directory, LPSTR szPath, LPLONG lpBufferSize) { LONG nRequired; int path_len, file_name_len, dir_len; if (Directory!=CACHE_CONTAINER_NO_SUBDIR && Directory>=pHeader->DirectoryCount) { *lpBufferSize = 0; return FALSE; } path_len = WideCharToMultiByte(CP_ACP, 0, pContainer->path, -1, NULL, 0, NULL, NULL) - 1; file_name_len = strlen(szLocalFileName) + 1 /* for nul-terminator */; if (Directory!=CACHE_CONTAINER_NO_SUBDIR) dir_len = DIR_LENGTH+1; else dir_len = 0; nRequired = (path_len + dir_len + file_name_len) * sizeof(char); if (nRequired < *lpBufferSize) { WideCharToMultiByte(CP_ACP, 0, pContainer->path, -1, szPath, path_len, NULL, NULL); if(dir_len) { memcpy(szPath+path_len, pHeader->directory_data[Directory].filename, dir_len-1); szPath[path_len + dir_len-1] = '\\'; } memcpy(szPath + path_len + dir_len, szLocalFileName, file_name_len); *lpBufferSize = nRequired; return TRUE; } *lpBufferSize = nRequired; return FALSE; } /* Just like FileTimeToDosDateTime, except that it also maps the special * case of a filetime of (0,0) to a DOS date/time of (0,0). */ static void URLCache_FileTimeToDosDateTime(const FILETIME *ft, WORD *fatdate, WORD *fattime) { if (!ft->dwLowDateTime && !ft->dwHighDateTime) *fatdate = *fattime = 0; else FileTimeToDosDateTime(ft, fatdate, fattime); } /*********************************************************************** * URLCache_DeleteFile (Internal) */ static DWORD URLCache_DeleteFile(const URLCACHECONTAINER *container, URLCACHE_HEADER *header, URL_CACHEFILE_ENTRY *url_entry) { WIN32_FILE_ATTRIBUTE_DATA attr; WCHAR path[MAX_PATH]; LONG path_size = sizeof(path); DWORD err; WORD date, time; if(!url_entry->dwOffsetLocalName) goto succ; if(!URLCache_LocalFileNameToPathW(container, header, (LPCSTR)url_entry+url_entry->dwOffsetLocalName, url_entry->CacheDir, path, &path_size)) goto succ; if(!GetFileAttributesExW(path, GetFileExInfoStandard, &attr)) goto succ; URLCache_FileTimeToDosDateTime(&attr.ftLastWriteTime, &date, &time); if(date != url_entry->LastWriteDate || time != url_entry->LastWriteTime) goto succ; err = (DeleteFileW(path) ? ERROR_SUCCESS : GetLastError()); if(err == ERROR_ACCESS_DENIED || err == ERROR_SHARING_VIOLATION) return err; succ: if (url_entry->CacheDir < header->DirectoryCount) { if (header->directory_data[url_entry->CacheDir].dwNumFiles) header->directory_data[url_entry->CacheDir].dwNumFiles--; } if (url_entry->CacheEntryType & STICKY_CACHE_ENTRY) { if (url_entry->size.QuadPart < header->ExemptUsage.QuadPart) header->ExemptUsage.QuadPart -= url_entry->size.QuadPart; else header->ExemptUsage.QuadPart = 0; } else { if (url_entry->size.QuadPart < header->CacheUsage.QuadPart) header->CacheUsage.QuadPart -= url_entry->size.QuadPart; else header->CacheUsage.QuadPart = 0; } return ERROR_SUCCESS; } static BOOL urlcache_clean_leaked_entries(URLCACHECONTAINER *container, URLCACHE_HEADER *header) { DWORD *leak_off; BOOL freed = FALSE; leak_off = &header->options[CACHE_HEADER_DATA_ROOT_LEAK_OFFSET]; while(*leak_off) { URL_CACHEFILE_ENTRY *url_entry = (URL_CACHEFILE_ENTRY*)((LPBYTE)header + *leak_off); if(SUCCEEDED(URLCache_DeleteFile(container, header, url_entry))) { *leak_off = url_entry->dwExemptDelta; URLCache_DeleteEntry(header, &url_entry->CacheFileEntry); freed = TRUE; }else { leak_off = &url_entry->dwExemptDelta; } } return freed; } /*********************************************************************** * URLCacheContainer_CleanIndex (Internal) * * This function is meant to make place in index file by removing leaked * files entries and resizing the file. * * CAUTION: file view may get mapped to new memory * * RETURNS * ERROR_SUCCESS when new memory is available * error code otherwise */ static DWORD URLCacheContainer_CleanIndex(URLCACHECONTAINER *container, URLCACHE_HEADER **file_view) { URLCACHE_HEADER *header = *file_view; DWORD ret; TRACE("(%s %s)\n", debugstr_w(container->cache_prefix), debugstr_w(container->path)); if(urlcache_clean_leaked_entries(container, header)) return ERROR_SUCCESS; if(header->dwFileSize >= ALLOCATION_TABLE_SIZE*8*BLOCKSIZE + ENTRY_START_OFFSET) { WARN("index file has maximal size\n"); return ERROR_NOT_ENOUGH_MEMORY; } URLCacheContainer_CloseIndex(container); ret = URLCacheContainer_OpenIndex(container, header->dwIndexCapacityInBlocks*2); if(ret != ERROR_SUCCESS) return ret; header = MapViewOfFile(container->hMapping, FILE_MAP_WRITE, 0, 0, 0); if(!header) return GetLastError(); UnmapViewOfFile(*file_view); *file_view = header; return ERROR_SUCCESS; } /* Just like DosDateTimeToFileTime, except that it also maps the special * case of a DOS date/time of (0,0) to a filetime of (0,0). */ static void URLCache_DosDateTimeToFileTime(WORD fatdate, WORD fattime, FILETIME *ft) { if (!fatdate && !fattime) ft->dwLowDateTime = ft->dwHighDateTime = 0; else DosDateTimeToFileTime(fatdate, fattime, ft); } /*********************************************************************** * URLCache_CopyEntry (Internal) * * Copies an entry from the cache index file to the Win32 structure * * RETURNS * ERROR_SUCCESS if the buffer was big enough * ERROR_INSUFFICIENT_BUFFER if the buffer was too small * */ static DWORD URLCache_CopyEntry( URLCACHECONTAINER * pContainer, LPCURLCACHE_HEADER pHeader, LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo, LPDWORD lpdwBufferSize, const URL_CACHEFILE_ENTRY * pUrlEntry, BOOL bUnicode) { int lenUrl; DWORD dwRequiredSize = sizeof(*lpCacheEntryInfo); if (*lpdwBufferSize >= dwRequiredSize) { lpCacheEntryInfo->lpHeaderInfo = NULL; lpCacheEntryInfo->lpszFileExtension = NULL; lpCacheEntryInfo->lpszLocalFileName = NULL; lpCacheEntryInfo->lpszSourceUrlName = NULL; lpCacheEntryInfo->CacheEntryType = pUrlEntry->CacheEntryType; lpCacheEntryInfo->u.dwExemptDelta = pUrlEntry->dwExemptDelta; lpCacheEntryInfo->dwHeaderInfoSize = pUrlEntry->dwHeaderInfoSize; lpCacheEntryInfo->dwHitRate = pUrlEntry->dwHitRate; lpCacheEntryInfo->dwSizeHigh = pUrlEntry->size.u.HighPart; lpCacheEntryInfo->dwSizeLow = pUrlEntry->size.u.LowPart; lpCacheEntryInfo->dwStructSize = sizeof(*lpCacheEntryInfo); lpCacheEntryInfo->dwUseCount = pUrlEntry->dwUseCount; URLCache_DosDateTimeToFileTime(pUrlEntry->wExpiredDate, pUrlEntry->wExpiredTime, &lpCacheEntryInfo->ExpireTime); lpCacheEntryInfo->LastAccessTime.dwHighDateTime = pUrlEntry->LastAccessTime.dwHighDateTime; lpCacheEntryInfo->LastAccessTime.dwLowDateTime = pUrlEntry->LastAccessTime.dwLowDateTime; lpCacheEntryInfo->LastModifiedTime.dwHighDateTime = pUrlEntry->LastModifiedTime.dwHighDateTime; lpCacheEntryInfo->LastModifiedTime.dwLowDateTime = pUrlEntry->LastModifiedTime.dwLowDateTime; URLCache_DosDateTimeToFileTime(pUrlEntry->wLastSyncDate, pUrlEntry->wLastSyncTime, &lpCacheEntryInfo->LastSyncTime); } if ((dwRequiredSize % 4) && (dwRequiredSize < *lpdwBufferSize)) ZeroMemory((LPBYTE)lpCacheEntryInfo + dwRequiredSize, 4 - (dwRequiredSize % 4)); dwRequiredSize = DWORD_ALIGN(dwRequiredSize); if (bUnicode) lenUrl = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetUrl, -1, NULL, 0); else lenUrl = strlen((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetUrl); dwRequiredSize += (lenUrl + 1) * (bUnicode ? sizeof(WCHAR) : sizeof(CHAR)); /* FIXME: is source url optional? */ if (*lpdwBufferSize >= dwRequiredSize) { DWORD lenUrlBytes = (lenUrl+1) * (bUnicode ? sizeof(WCHAR) : sizeof(CHAR)); lpCacheEntryInfo->lpszSourceUrlName = (LPSTR)lpCacheEntryInfo + dwRequiredSize - lenUrlBytes; if (bUnicode) MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetUrl, -1, (LPWSTR)lpCacheEntryInfo->lpszSourceUrlName, lenUrl + 1); else memcpy(lpCacheEntryInfo->lpszSourceUrlName, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetUrl, lenUrlBytes); } if ((dwRequiredSize % 4) && (dwRequiredSize < *lpdwBufferSize)) ZeroMemory((LPBYTE)lpCacheEntryInfo + dwRequiredSize, 4 - (dwRequiredSize % 4)); dwRequiredSize = DWORD_ALIGN(dwRequiredSize); if (pUrlEntry->dwOffsetLocalName) { LONG nLocalFilePathSize; LPSTR lpszLocalFileName; lpszLocalFileName = (LPSTR)lpCacheEntryInfo + dwRequiredSize; nLocalFilePathSize = *lpdwBufferSize - dwRequiredSize; if ((bUnicode && URLCache_LocalFileNameToPathW(pContainer, pHeader, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName, pUrlEntry->CacheDir, (LPWSTR)lpszLocalFileName, &nLocalFilePathSize)) || (!bUnicode && URLCache_LocalFileNameToPathA(pContainer, pHeader, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName, pUrlEntry->CacheDir, lpszLocalFileName, &nLocalFilePathSize))) { lpCacheEntryInfo->lpszLocalFileName = lpszLocalFileName; } dwRequiredSize += nLocalFilePathSize * (bUnicode ? sizeof(WCHAR) : sizeof(CHAR)) ; if ((dwRequiredSize % 4) && (dwRequiredSize < *lpdwBufferSize)) ZeroMemory((LPBYTE)lpCacheEntryInfo + dwRequiredSize, 4 - (dwRequiredSize % 4)); dwRequiredSize = DWORD_ALIGN(dwRequiredSize); } dwRequiredSize += pUrlEntry->dwHeaderInfoSize + 1; if (*lpdwBufferSize >= dwRequiredSize) { lpCacheEntryInfo->lpHeaderInfo = (LPBYTE)lpCacheEntryInfo + dwRequiredSize - pUrlEntry->dwHeaderInfoSize - 1; memcpy(lpCacheEntryInfo->lpHeaderInfo, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo, pUrlEntry->dwHeaderInfoSize); ((LPBYTE)lpCacheEntryInfo)[dwRequiredSize - 1] = '\0'; } if ((dwRequiredSize % 4) && (dwRequiredSize < *lpdwBufferSize)) ZeroMemory((LPBYTE)lpCacheEntryInfo + dwRequiredSize, 4 - (dwRequiredSize % 4)); dwRequiredSize = DWORD_ALIGN(dwRequiredSize); if (pUrlEntry->dwOffsetFileExtension) { int lenExtension; if (bUnicode) lenExtension = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetFileExtension, -1, NULL, 0); else lenExtension = strlen((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetFileExtension) + 1; dwRequiredSize += lenExtension * (bUnicode ? sizeof(WCHAR) : sizeof(CHAR)); if (*lpdwBufferSize >= dwRequiredSize) { lpCacheEntryInfo->lpszFileExtension = (LPSTR)lpCacheEntryInfo + dwRequiredSize - lenExtension; if (bUnicode) MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetFileExtension, -1, (LPWSTR)lpCacheEntryInfo->lpszSourceUrlName, lenExtension); else memcpy(lpCacheEntryInfo->lpszFileExtension, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetFileExtension, lenExtension * sizeof(CHAR)); } if ((dwRequiredSize % 4) && (dwRequiredSize < *lpdwBufferSize)) ZeroMemory((LPBYTE)lpCacheEntryInfo + dwRequiredSize, 4 - (dwRequiredSize % 4)); dwRequiredSize = DWORD_ALIGN(dwRequiredSize); } if (dwRequiredSize > *lpdwBufferSize) { *lpdwBufferSize = dwRequiredSize; return ERROR_INSUFFICIENT_BUFFER; } *lpdwBufferSize = dwRequiredSize; return ERROR_SUCCESS; } /*********************************************************************** * URLCache_SetEntryInfo (Internal) * * Helper for SetUrlCacheEntryInfo{A,W}. Sets fields in URL entry * according to the flags set by dwFieldControl. * * RETURNS * ERROR_SUCCESS if the buffer was big enough * ERROR_INSUFFICIENT_BUFFER if the buffer was too small * */ static DWORD URLCache_SetEntryInfo(URL_CACHEFILE_ENTRY * pUrlEntry, const INTERNET_CACHE_ENTRY_INFOW * lpCacheEntryInfo, DWORD dwFieldControl) { if (dwFieldControl & CACHE_ENTRY_ACCTIME_FC) pUrlEntry->LastAccessTime = lpCacheEntryInfo->LastAccessTime; if (dwFieldControl & CACHE_ENTRY_ATTRIBUTE_FC) pUrlEntry->CacheEntryType = lpCacheEntryInfo->CacheEntryType; if (dwFieldControl & CACHE_ENTRY_EXEMPT_DELTA_FC) pUrlEntry->dwExemptDelta = lpCacheEntryInfo->u.dwExemptDelta; if (dwFieldControl & CACHE_ENTRY_EXPTIME_FC) URLCache_FileTimeToDosDateTime(&lpCacheEntryInfo->ExpireTime, &pUrlEntry->wExpiredDate, &pUrlEntry->wExpiredTime); if (dwFieldControl & CACHE_ENTRY_HEADERINFO_FC) FIXME("CACHE_ENTRY_HEADERINFO_FC unimplemented\n"); if (dwFieldControl & CACHE_ENTRY_HITRATE_FC) pUrlEntry->dwHitRate = lpCacheEntryInfo->dwHitRate; if (dwFieldControl & CACHE_ENTRY_MODTIME_FC) pUrlEntry->LastModifiedTime = lpCacheEntryInfo->LastModifiedTime; if (dwFieldControl & CACHE_ENTRY_SYNCTIME_FC) URLCache_FileTimeToDosDateTime(&lpCacheEntryInfo->LastAccessTime, &pUrlEntry->wLastSyncDate, &pUrlEntry->wLastSyncTime); return ERROR_SUCCESS; } /*********************************************************************** * URLCache_HashKey (Internal) * * Returns the hash key for a given string * * RETURNS * hash key for the string * */ static DWORD URLCache_HashKey(LPCSTR lpszKey) { /* NOTE: this uses the same lookup table as SHLWAPI.UrlHash{A,W} * but the algorithm and result are not the same! */ static const unsigned char lookupTable[256] = { 0x01, 0x0E, 0x6E, 0x19, 0x61, 0xAE, 0x84, 0x77, 0x8A, 0xAA, 0x7D, 0x76, 0x1B, 0xE9, 0x8C, 0x33, 0x57, 0xC5, 0xB1, 0x6B, 0xEA, 0xA9, 0x38, 0x44, 0x1E, 0x07, 0xAD, 0x49, 0xBC, 0x28, 0x24, 0x41, 0x31, 0xD5, 0x68, 0xBE, 0x39, 0xD3, 0x94, 0xDF, 0x30, 0x73, 0x0F, 0x02, 0x43, 0xBA, 0xD2, 0x1C, 0x0C, 0xB5, 0x67, 0x46, 0x16, 0x3A, 0x4B, 0x4E, 0xB7, 0xA7, 0xEE, 0x9D, 0x7C, 0x93, 0xAC, 0x90, 0xB0, 0xA1, 0x8D, 0x56, 0x3C, 0x42, 0x80, 0x53, 0x9C, 0xF1, 0x4F, 0x2E, 0xA8, 0xC6, 0x29, 0xFE, 0xB2, 0x55, 0xFD, 0xED, 0xFA, 0x9A, 0x85, 0x58, 0x23, 0xCE, 0x5F, 0x74, 0xFC, 0xC0, 0x36, 0xDD, 0x66, 0xDA, 0xFF, 0xF0, 0x52, 0x6A, 0x9E, 0xC9, 0x3D, 0x03, 0x59, 0x09, 0x2A, 0x9B, 0x9F, 0x5D, 0xA6, 0x50, 0x32, 0x22, 0xAF, 0xC3, 0x64, 0x63, 0x1A, 0x96, 0x10, 0x91, 0x04, 0x21, 0x08, 0xBD, 0x79, 0x40, 0x4D, 0x48, 0xD0, 0xF5, 0x82, 0x7A, 0x8F, 0x37, 0x69, 0x86, 0x1D, 0xA4, 0xB9, 0xC2, 0xC1, 0xEF, 0x65, 0xF2, 0x05, 0xAB, 0x7E, 0x0B, 0x4A, 0x3B, 0x89, 0xE4, 0x6C, 0xBF, 0xE8, 0x8B, 0x06, 0x18, 0x51, 0x14, 0x7F, 0x11, 0x5B, 0x5C, 0xFB, 0x97, 0xE1, 0xCF, 0x15, 0x62, 0x71, 0x70, 0x54, 0xE2, 0x12, 0xD6, 0xC7, 0xBB, 0x0D, 0x20, 0x5E, 0xDC, 0xE0, 0xD4, 0xF7, 0xCC, 0xC4, 0x2B, 0xF9, 0xEC, 0x2D, 0xF4, 0x6F, 0xB6, 0x99, 0x88, 0x81, 0x5A, 0xD9, 0xCA, 0x13, 0xA5, 0xE7, 0x47, 0xE6, 0x8E, 0x60, 0xE3, 0x3E, 0xB3, 0xF6, 0x72, 0xA2, 0x35, 0xA0, 0xD7, 0xCD, 0xB4, 0x2F, 0x6D, 0x2C, 0x26, 0x1F, 0x95, 0x87, 0x00, 0xD8, 0x34, 0x3F, 0x17, 0x25, 0x45, 0x27, 0x75, 0x92, 0xB8, 0xA3, 0xC8, 0xDE, 0xEB, 0xF8, 0xF3, 0xDB, 0x0A, 0x98, 0x83, 0x7B, 0xE5, 0xCB, 0x4C, 0x78, 0xD1 }; BYTE key[4]; DWORD i; for (i = 0; i < sizeof(key) / sizeof(key[0]); i++) key[i] = lookupTable[(*lpszKey + i) & 0xFF]; for (lpszKey++; *lpszKey && ((lpszKey[0] != '/') || (lpszKey[1] != 0)); lpszKey++) { for (i = 0; i < sizeof(key) / sizeof(key[0]); i++) key[i] = lookupTable[*lpszKey ^ key[i]]; } return *(DWORD *)key; } static inline HASH_CACHEFILE_ENTRY * URLCache_HashEntryFromOffset(LPCURLCACHE_HEADER pHeader, DWORD dwOffset) { return (HASH_CACHEFILE_ENTRY *)((LPBYTE)pHeader + dwOffset); } static inline BOOL URLCache_IsHashEntryValid(LPCURLCACHE_HEADER pHeader, const HASH_CACHEFILE_ENTRY *pHashEntry) { /* check pHashEntry located within acceptable bounds in the URL cache mapping */ return ((DWORD)((const BYTE*)pHashEntry - (const BYTE*)pHeader) >= ENTRY_START_OFFSET) && ((DWORD)((const BYTE*)pHashEntry - (const BYTE*)pHeader) < pHeader->dwFileSize); } static BOOL URLCache_FindHash(LPCURLCACHE_HEADER pHeader, LPCSTR lpszUrl, struct _HASH_ENTRY ** ppHashEntry) { /* structure of hash table: * 448 entries divided into 64 blocks * each block therefore contains a chain of 7 key/offset pairs * how position in table is calculated: * 1. the url is hashed in helper function * 2. the key % HASHTABLE_NUM_ENTRIES is the bucket number * 3. bucket number * HASHTABLE_BLOCKSIZE is offset of the bucket * * note: * there can be multiple hash tables in the file and the offset to * the next one is stored in the header of the hash table */ DWORD key = URLCache_HashKey(lpszUrl); DWORD offset = (key & (HASHTABLE_NUM_ENTRIES-1)) * HASHTABLE_BLOCKSIZE; HASH_CACHEFILE_ENTRY * pHashEntry; DWORD dwHashTableNumber = 0; key >>= HASHTABLE_FLAG_BITS; for (pHashEntry = URLCache_HashEntryFromOffset(pHeader, pHeader->dwOffsetFirstHashTable); URLCache_IsHashEntryValid(pHeader, pHashEntry); pHashEntry = URLCache_HashEntryFromOffset(pHeader, pHashEntry->dwAddressNext)) { int i; if (pHashEntry->dwHashTableNumber != dwHashTableNumber++) { ERR("Error: not right hash table number (%d) expected %d\n", pHashEntry->dwHashTableNumber, dwHashTableNumber); continue; } /* make sure that it is in fact a hash entry */ if (pHashEntry->CacheFileEntry.dwSignature != HASH_SIGNATURE) { ERR("Error: not right signature (\"%.4s\") - expected \"HASH\"\n", (LPCSTR)&pHashEntry->CacheFileEntry.dwSignature); continue; } for (i = 0; i < HASHTABLE_BLOCKSIZE; i++) { struct _HASH_ENTRY * pHashElement = &pHashEntry->HashTable[offset + i]; if (key == pHashElement->dwHashKey>>HASHTABLE_FLAG_BITS) { /* FIXME: we should make sure that this is the right element * before returning and claiming that it is. We can do this * by doing a simple compare between the URL we were given * and the URL stored in the entry. However, this assumes * we know the format of all the entries stored in the * hash table */ *ppHashEntry = pHashElement; return TRUE; } } } return FALSE; } static BOOL URLCache_FindHashW(LPCURLCACHE_HEADER pHeader, LPCWSTR lpszUrl, struct _HASH_ENTRY ** ppHashEntry) { LPSTR urlA; BOOL ret; urlA = heap_strdupWtoA(lpszUrl); if (!urlA) { SetLastError(ERROR_OUTOFMEMORY); return FALSE; } ret = URLCache_FindHash(pHeader, urlA, ppHashEntry); heap_free(urlA); return ret; } /*********************************************************************** * URLCache_HashEntrySetFlags (Internal) * * Sets special bits in hash key * * RETURNS * nothing * */ static void URLCache_HashEntrySetFlags(struct _HASH_ENTRY * pHashEntry, DWORD dwFlag) { pHashEntry->dwHashKey = (pHashEntry->dwHashKey >> HASHTABLE_FLAG_BITS << HASHTABLE_FLAG_BITS) | dwFlag; } /*********************************************************************** * URLCache_DeleteEntryFromHash (Internal) * * Searches all the hash tables in the index for the given URL and * then if found deletes the entry. * * RETURNS * TRUE if the entry was found * FALSE if the entry could not be found * */ static BOOL URLCache_DeleteEntryFromHash(struct _HASH_ENTRY * pHashEntry) { pHashEntry->dwHashKey = HASHTABLE_DEL; return TRUE; } /*********************************************************************** * URLCache_AddEntryToHash (Internal) * * Searches all the hash tables for a free slot based on the offset * generated from the hash key. If a free slot is found, the offset and * key are entered into the hash table. * * RETURNS * ERROR_SUCCESS if the entry was added * Any other Win32 error code if the entry could not be added * */ static DWORD URLCache_AddEntryToHash(LPURLCACHE_HEADER pHeader, LPCSTR lpszUrl, DWORD dwOffsetEntry, DWORD dwFieldType) { /* see URLCache_FindEntryInHash for structure of hash tables */ DWORD key = URLCache_HashKey(lpszUrl); DWORD offset = (key & (HASHTABLE_NUM_ENTRIES-1)) * HASHTABLE_BLOCKSIZE; HASH_CACHEFILE_ENTRY * pHashEntry, *pHashPrev = NULL; DWORD dwHashTableNumber = 0; DWORD error; key = ((key >> HASHTABLE_FLAG_BITS) << HASHTABLE_FLAG_BITS) + dwFieldType; for (pHashEntry = URLCache_HashEntryFromOffset(pHeader, pHeader->dwOffsetFirstHashTable); URLCache_IsHashEntryValid(pHeader, pHashEntry); pHashEntry = URLCache_HashEntryFromOffset(pHeader, pHashEntry->dwAddressNext)) { int i; pHashPrev = pHashEntry; if (pHashEntry->dwHashTableNumber != dwHashTableNumber++) { ERR("not right hash table number (%d) expected %d\n", pHashEntry->dwHashTableNumber, dwHashTableNumber); break; } /* make sure that it is in fact a hash entry */ if (pHashEntry->CacheFileEntry.dwSignature != HASH_SIGNATURE) { ERR("not right signature (\"%.4s\") - expected \"HASH\"\n", (LPCSTR)&pHashEntry->CacheFileEntry.dwSignature); break; } for (i = 0; i < HASHTABLE_BLOCKSIZE; i++) { struct _HASH_ENTRY * pHashElement = &pHashEntry->HashTable[offset + i]; if (pHashElement->dwHashKey==HASHTABLE_FREE || pHashElement->dwHashKey==HASHTABLE_DEL) /* if the slot is free */ { pHashElement->dwHashKey = key; pHashElement->dwOffsetEntry = dwOffsetEntry; return ERROR_SUCCESS; } } } error = URLCache_CreateHashTable(pHeader, pHashPrev, &pHashEntry); if (error != ERROR_SUCCESS) return error; pHashEntry->HashTable[offset].dwHashKey = key; pHashEntry->HashTable[offset].dwOffsetEntry = dwOffsetEntry; return ERROR_SUCCESS; } /*********************************************************************** * URLCache_CreateHashTable (Internal) * * Creates a new hash table in free space and adds it to the chain of existing * hash tables. * * RETURNS * ERROR_SUCCESS if the hash table was created * ERROR_DISK_FULL if the hash table could not be created * */ static DWORD URLCache_CreateHashTable(LPURLCACHE_HEADER pHeader, HASH_CACHEFILE_ENTRY *pPrevHash, HASH_CACHEFILE_ENTRY **ppHash) { DWORD dwOffset, error; int i; if ((error = URLCache_FindFirstFreeEntry(pHeader, 0x20, (CACHEFILE_ENTRY **)ppHash)) != ERROR_SUCCESS) return error; dwOffset = (BYTE *)*ppHash - (BYTE *)pHeader; if (pPrevHash) pPrevHash->dwAddressNext = dwOffset; else pHeader->dwOffsetFirstHashTable = dwOffset; (*ppHash)->CacheFileEntry.dwSignature = HASH_SIGNATURE; (*ppHash)->CacheFileEntry.dwBlocksUsed = 0x20; (*ppHash)->dwAddressNext = 0; (*ppHash)->dwHashTableNumber = pPrevHash ? pPrevHash->dwHashTableNumber + 1 : 0; for (i = 0; i < HASHTABLE_SIZE; i++) { (*ppHash)->HashTable[i].dwOffsetEntry = HASHTABLE_FREE; (*ppHash)->HashTable[i].dwHashKey = HASHTABLE_FREE; } return ERROR_SUCCESS; } /*********************************************************************** * URLCache_EnumHashTables (Internal) * * Enumerates the hash tables in a container. * * RETURNS * TRUE if an entry was found * FALSE if there are no more tables to enumerate. * */ static BOOL URLCache_EnumHashTables(LPCURLCACHE_HEADER pHeader, DWORD *pdwHashTableNumber, HASH_CACHEFILE_ENTRY ** ppHashEntry) { for (*ppHashEntry = URLCache_HashEntryFromOffset(pHeader, pHeader->dwOffsetFirstHashTable); URLCache_IsHashEntryValid(pHeader, *ppHashEntry); *ppHashEntry = URLCache_HashEntryFromOffset(pHeader, (*ppHashEntry)->dwAddressNext)) { TRACE("looking at hash table number %d\n", (*ppHashEntry)->dwHashTableNumber); if ((*ppHashEntry)->dwHashTableNumber != *pdwHashTableNumber) continue; /* make sure that it is in fact a hash entry */ if ((*ppHashEntry)->CacheFileEntry.dwSignature != HASH_SIGNATURE) { ERR("Error: not right signature (\"%.4s\") - expected \"HASH\"\n", (LPCSTR)&(*ppHashEntry)->CacheFileEntry.dwSignature); (*pdwHashTableNumber)++; continue; } TRACE("hash table number %d found\n", *pdwHashTableNumber); return TRUE; } return FALSE; } /*********************************************************************** * URLCache_EnumHashTableEntries (Internal) * * Enumerates entries in a hash table and returns the next non-free entry. * * RETURNS * TRUE if an entry was found * FALSE if the hash table is empty or there are no more entries to * enumerate. * */ static BOOL URLCache_EnumHashTableEntries(LPCURLCACHE_HEADER pHeader, const HASH_CACHEFILE_ENTRY * pHashEntry, DWORD * index, const struct _HASH_ENTRY ** ppHashEntry) { for (; *index < HASHTABLE_SIZE ; (*index)++) { if (pHashEntry->HashTable[*index].dwHashKey==HASHTABLE_FREE || pHashEntry->HashTable[*index].dwHashKey==HASHTABLE_DEL) continue; *ppHashEntry = &pHashEntry->HashTable[*index]; TRACE("entry found %d\n", *index); return TRUE; } TRACE("no more entries (%d)\n", *index); return FALSE; } /*********************************************************************** * URLCache_DeleteCacheDirectory (Internal) * * Erase a directory containing an URL cache. * * RETURNS * TRUE success, FALSE failure/aborted. * */ static BOOL URLCache_DeleteCacheDirectory(LPCWSTR lpszPath) { DWORD path_len; WCHAR path[MAX_PATH + 1]; SHFILEOPSTRUCTW shfos; int ret; path_len = strlenW(lpszPath); if (path_len >= MAX_PATH) return FALSE; strcpyW(path, lpszPath); path[path_len + 1] = 0; /* double-NUL-terminate path */ shfos.hwnd = NULL; shfos.wFunc = FO_DELETE; shfos.pFrom = path; shfos.pTo = NULL; shfos.fFlags = FOF_NOCONFIRMATION; shfos.fAnyOperationsAborted = FALSE; ret = SHFileOperationW(&shfos); if (ret) ERR("SHFileOperationW on %s returned %i\n", debugstr_w(path), ret); return !(ret || shfos.fAnyOperationsAborted); } /*********************************************************************** * URLCache_IsLocked (Internal) * * Checks if entry is locked. Unlocks it if possible. */ static BOOL URLCache_IsLocked(struct _HASH_ENTRY *hash_entry, URL_CACHEFILE_ENTRY *url_entry) { FILETIME cur_time; ULARGE_INTEGER acc_time, time; if ((hash_entry->dwHashKey & ((1<LastAccessTime.dwLowDateTime; acc_time.u.HighPart = url_entry->LastAccessTime.dwHighDateTime; time.QuadPart -= acc_time.QuadPart; /* check if entry was locked for at least a day */ if(time.QuadPart > (ULONGLONG)24*60*60*FILETIME_SECOND) { URLCache_HashEntrySetFlags(hash_entry, HASHTABLE_URL); url_entry->dwUseCount = 0; return FALSE; } return TRUE; } /*********************************************************************** * GetUrlCacheEntryInfoExA (WININET.@) * */ BOOL WINAPI GetUrlCacheEntryInfoExA( LPCSTR lpszUrl, LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo, LPDWORD lpdwCacheEntryInfoBufSize, LPSTR lpszReserved, LPDWORD lpdwReserved, LPVOID lpReserved, DWORD dwFlags) { LPURLCACHE_HEADER pHeader; struct _HASH_ENTRY * pHashEntry; const CACHEFILE_ENTRY * pEntry; const URL_CACHEFILE_ENTRY * pUrlEntry; URLCACHECONTAINER * pContainer; DWORD error; TRACE("(%s, %p, %p, %p, %p, %p, %x)\n", debugstr_a(lpszUrl), lpCacheEntryInfo, lpdwCacheEntryInfoBufSize, lpszReserved, lpdwReserved, lpReserved, dwFlags); if ((lpszReserved != NULL) || (lpdwReserved != NULL) || (lpReserved != NULL)) { ERR("Reserved value was not 0\n"); SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } if (dwFlags & ~GET_INSTALLED_ENTRY) FIXME("ignoring unsupported flags: %x\n", dwFlags); error = URLCacheContainers_FindContainerA(lpszUrl, &pContainer); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } error = URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } if (!(pHeader = URLCacheContainer_LockIndex(pContainer))) return FALSE; if (!URLCache_FindHash(pHeader, lpszUrl, &pHashEntry)) { URLCacheContainer_UnlockIndex(pContainer, pHeader); WARN("entry %s not found!\n", debugstr_a(lpszUrl)); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } pEntry = (const CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry); if (pEntry->dwSignature != URL_SIGNATURE) { URLCacheContainer_UnlockIndex(pContainer, pHeader); FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPCSTR)&pEntry->dwSignature, sizeof(DWORD))); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } pUrlEntry = (const URL_CACHEFILE_ENTRY *)pEntry; TRACE("Found URL: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetUrl)); if (pUrlEntry->dwOffsetHeaderInfo) TRACE("Header info: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo)); if((dwFlags & GET_INSTALLED_ENTRY) && !(pUrlEntry->CacheEntryType & INSTALLED_CACHE_ENTRY)) { URLCacheContainer_UnlockIndex(pContainer, pHeader); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } if (lpdwCacheEntryInfoBufSize) { if (!lpCacheEntryInfo) *lpdwCacheEntryInfoBufSize = 0; error = URLCache_CopyEntry( pContainer, pHeader, lpCacheEntryInfo, lpdwCacheEntryInfoBufSize, pUrlEntry, FALSE /* ANSI */); if (error != ERROR_SUCCESS) { URLCacheContainer_UnlockIndex(pContainer, pHeader); SetLastError(error); return FALSE; } TRACE("Local File Name: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName)); } URLCacheContainer_UnlockIndex(pContainer, pHeader); return TRUE; } /*********************************************************************** * GetUrlCacheEntryInfoA (WININET.@) * */ BOOL WINAPI GetUrlCacheEntryInfoA( IN LPCSTR lpszUrlName, IN LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo, IN OUT LPDWORD lpdwCacheEntryInfoBufferSize ) { return GetUrlCacheEntryInfoExA(lpszUrlName, lpCacheEntryInfo, lpdwCacheEntryInfoBufferSize, NULL, NULL, NULL, 0); } /*********************************************************************** * GetUrlCacheEntryInfoW (WININET.@) * */ BOOL WINAPI GetUrlCacheEntryInfoW(LPCWSTR lpszUrl, LPINTERNET_CACHE_ENTRY_INFOW lpCacheEntryInfo, LPDWORD lpdwCacheEntryInfoBufferSize) { return GetUrlCacheEntryInfoExW(lpszUrl, lpCacheEntryInfo, lpdwCacheEntryInfoBufferSize, NULL, NULL, NULL, 0); } /*********************************************************************** * GetUrlCacheEntryInfoExW (WININET.@) * */ BOOL WINAPI GetUrlCacheEntryInfoExW( LPCWSTR lpszUrl, LPINTERNET_CACHE_ENTRY_INFOW lpCacheEntryInfo, LPDWORD lpdwCacheEntryInfoBufSize, LPWSTR lpszReserved, LPDWORD lpdwReserved, LPVOID lpReserved, DWORD dwFlags) { LPURLCACHE_HEADER pHeader; struct _HASH_ENTRY * pHashEntry; const CACHEFILE_ENTRY * pEntry; const URL_CACHEFILE_ENTRY * pUrlEntry; URLCACHECONTAINER * pContainer; DWORD error; TRACE("(%s, %p, %p, %p, %p, %p, %x)\n", debugstr_w(lpszUrl), lpCacheEntryInfo, lpdwCacheEntryInfoBufSize, lpszReserved, lpdwReserved, lpReserved, dwFlags); /* Ignore GET_INSTALLED_ENTRY flag in unicode version of function */ dwFlags &= ~GET_INSTALLED_ENTRY; if ((lpszReserved != NULL) || (lpdwReserved != NULL) || (lpReserved != NULL)) { ERR("Reserved value was not 0\n"); SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } if (dwFlags) FIXME("ignoring unsupported flags: %x\n", dwFlags); error = URLCacheContainers_FindContainerW(lpszUrl, &pContainer); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } error = URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } if (!(pHeader = URLCacheContainer_LockIndex(pContainer))) return FALSE; if (!URLCache_FindHashW(pHeader, lpszUrl, &pHashEntry)) { URLCacheContainer_UnlockIndex(pContainer, pHeader); WARN("entry %s not found!\n", debugstr_w(lpszUrl)); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } pEntry = (const CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry); if (pEntry->dwSignature != URL_SIGNATURE) { URLCacheContainer_UnlockIndex(pContainer, pHeader); FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPCSTR)&pEntry->dwSignature, sizeof(DWORD))); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } pUrlEntry = (const URL_CACHEFILE_ENTRY *)pEntry; TRACE("Found URL: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetUrl)); TRACE("Header info: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo)); if (lpdwCacheEntryInfoBufSize) { if (!lpCacheEntryInfo) *lpdwCacheEntryInfoBufSize = 0; error = URLCache_CopyEntry( pContainer, pHeader, (LPINTERNET_CACHE_ENTRY_INFOA)lpCacheEntryInfo, lpdwCacheEntryInfoBufSize, pUrlEntry, TRUE /* UNICODE */); if (error != ERROR_SUCCESS) { URLCacheContainer_UnlockIndex(pContainer, pHeader); SetLastError(error); return FALSE; } TRACE("Local File Name: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName)); } URLCacheContainer_UnlockIndex(pContainer, pHeader); return TRUE; } /*********************************************************************** * SetUrlCacheEntryInfoA (WININET.@) */ BOOL WINAPI SetUrlCacheEntryInfoA( LPCSTR lpszUrlName, LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo, DWORD dwFieldControl) { LPURLCACHE_HEADER pHeader; struct _HASH_ENTRY * pHashEntry; CACHEFILE_ENTRY * pEntry; URLCACHECONTAINER * pContainer; DWORD error; TRACE("(%s, %p, 0x%08x)\n", debugstr_a(lpszUrlName), lpCacheEntryInfo, dwFieldControl); error = URLCacheContainers_FindContainerA(lpszUrlName, &pContainer); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } error = URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } if (!(pHeader = URLCacheContainer_LockIndex(pContainer))) return FALSE; if (!URLCache_FindHash(pHeader, lpszUrlName, &pHashEntry)) { URLCacheContainer_UnlockIndex(pContainer, pHeader); WARN("entry %s not found!\n", debugstr_a(lpszUrlName)); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry); if (pEntry->dwSignature != URL_SIGNATURE) { URLCacheContainer_UnlockIndex(pContainer, pHeader); FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD))); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } URLCache_SetEntryInfo( (URL_CACHEFILE_ENTRY *)pEntry, (const INTERNET_CACHE_ENTRY_INFOW *)lpCacheEntryInfo, dwFieldControl); URLCacheContainer_UnlockIndex(pContainer, pHeader); return TRUE; } /*********************************************************************** * SetUrlCacheEntryInfoW (WININET.@) */ BOOL WINAPI SetUrlCacheEntryInfoW(LPCWSTR lpszUrl, LPINTERNET_CACHE_ENTRY_INFOW lpCacheEntryInfo, DWORD dwFieldControl) { LPURLCACHE_HEADER pHeader; struct _HASH_ENTRY * pHashEntry; CACHEFILE_ENTRY * pEntry; URLCACHECONTAINER * pContainer; DWORD error; TRACE("(%s, %p, 0x%08x)\n", debugstr_w(lpszUrl), lpCacheEntryInfo, dwFieldControl); error = URLCacheContainers_FindContainerW(lpszUrl, &pContainer); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } error = URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } if (!(pHeader = URLCacheContainer_LockIndex(pContainer))) return FALSE; if (!URLCache_FindHashW(pHeader, lpszUrl, &pHashEntry)) { URLCacheContainer_UnlockIndex(pContainer, pHeader); WARN("entry %s not found!\n", debugstr_w(lpszUrl)); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry); if (pEntry->dwSignature != URL_SIGNATURE) { URLCacheContainer_UnlockIndex(pContainer, pHeader); FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD))); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } URLCache_SetEntryInfo( (URL_CACHEFILE_ENTRY *)pEntry, lpCacheEntryInfo, dwFieldControl); URLCacheContainer_UnlockIndex(pContainer, pHeader); return TRUE; } /*********************************************************************** * RetrieveUrlCacheEntryFileA (WININET.@) * */ BOOL WINAPI RetrieveUrlCacheEntryFileA( IN LPCSTR lpszUrlName, OUT LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo, IN OUT LPDWORD lpdwCacheEntryInfoBufferSize, IN DWORD dwReserved ) { LPURLCACHE_HEADER pHeader; struct _HASH_ENTRY * pHashEntry; CACHEFILE_ENTRY * pEntry; URL_CACHEFILE_ENTRY * pUrlEntry; URLCACHECONTAINER * pContainer; DWORD error; TRACE("(%s, %p, %p, 0x%08x)\n", debugstr_a(lpszUrlName), lpCacheEntryInfo, lpdwCacheEntryInfoBufferSize, dwReserved); if (!lpszUrlName || !lpdwCacheEntryInfoBufferSize || (!lpCacheEntryInfo && *lpdwCacheEntryInfoBufferSize)) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } error = URLCacheContainers_FindContainerA(lpszUrlName, &pContainer); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } error = URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } if (!(pHeader = URLCacheContainer_LockIndex(pContainer))) return FALSE; if (!URLCache_FindHash(pHeader, lpszUrlName, &pHashEntry)) { URLCacheContainer_UnlockIndex(pContainer, pHeader); TRACE("entry %s not found!\n", lpszUrlName); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry); if (pEntry->dwSignature != URL_SIGNATURE) { URLCacheContainer_UnlockIndex(pContainer, pHeader); FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD))); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry; if (!pUrlEntry->dwOffsetLocalName) { URLCacheContainer_UnlockIndex(pContainer, pHeader); SetLastError(ERROR_INVALID_DATA); return FALSE; } TRACE("Found URL: %s\n", (LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl); TRACE("Header info: %s\n", (LPBYTE)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo); error = URLCache_CopyEntry(pContainer, pHeader, lpCacheEntryInfo, lpdwCacheEntryInfoBufferSize, pUrlEntry, FALSE); if (error != ERROR_SUCCESS) { URLCacheContainer_UnlockIndex(pContainer, pHeader); SetLastError(error); return FALSE; } TRACE("Local File Name: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName)); pUrlEntry->dwHitRate++; pUrlEntry->dwUseCount++; URLCache_HashEntrySetFlags(pHashEntry, HASHTABLE_LOCK); GetSystemTimeAsFileTime(&pUrlEntry->LastAccessTime); URLCacheContainer_UnlockIndex(pContainer, pHeader); return TRUE; } /*********************************************************************** * RetrieveUrlCacheEntryFileW (WININET.@) * */ BOOL WINAPI RetrieveUrlCacheEntryFileW( IN LPCWSTR lpszUrlName, OUT LPINTERNET_CACHE_ENTRY_INFOW lpCacheEntryInfo, IN OUT LPDWORD lpdwCacheEntryInfoBufferSize, IN DWORD dwReserved ) { LPURLCACHE_HEADER pHeader; struct _HASH_ENTRY * pHashEntry; CACHEFILE_ENTRY * pEntry; URL_CACHEFILE_ENTRY * pUrlEntry; URLCACHECONTAINER * pContainer; DWORD error; TRACE("(%s, %p, %p, 0x%08x)\n", debugstr_w(lpszUrlName), lpCacheEntryInfo, lpdwCacheEntryInfoBufferSize, dwReserved); if (!lpszUrlName || !lpdwCacheEntryInfoBufferSize || (!lpCacheEntryInfo && *lpdwCacheEntryInfoBufferSize)) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } error = URLCacheContainers_FindContainerW(lpszUrlName, &pContainer); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } error = URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } if (!(pHeader = URLCacheContainer_LockIndex(pContainer))) return FALSE; if (!URLCache_FindHashW(pHeader, lpszUrlName, &pHashEntry)) { URLCacheContainer_UnlockIndex(pContainer, pHeader); TRACE("entry %s not found!\n", debugstr_w(lpszUrlName)); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry); if (pEntry->dwSignature != URL_SIGNATURE) { URLCacheContainer_UnlockIndex(pContainer, pHeader); FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD))); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry; if (!pUrlEntry->dwOffsetLocalName) { URLCacheContainer_UnlockIndex(pContainer, pHeader); SetLastError(ERROR_INVALID_DATA); return FALSE; } TRACE("Found URL: %s\n", (LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl); TRACE("Header info: %s\n", (LPBYTE)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo); error = URLCache_CopyEntry( pContainer, pHeader, (LPINTERNET_CACHE_ENTRY_INFOA)lpCacheEntryInfo, lpdwCacheEntryInfoBufferSize, pUrlEntry, TRUE /* UNICODE */); if (error != ERROR_SUCCESS) { URLCacheContainer_UnlockIndex(pContainer, pHeader); SetLastError(error); return FALSE; } TRACE("Local File Name: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName)); pUrlEntry->dwHitRate++; pUrlEntry->dwUseCount++; URLCache_HashEntrySetFlags(pHashEntry, HASHTABLE_LOCK); GetSystemTimeAsFileTime(&pUrlEntry->LastAccessTime); URLCacheContainer_UnlockIndex(pContainer, pHeader); return TRUE; } static BOOL DeleteUrlCacheEntryInternal(const URLCACHECONTAINER * pContainer, LPURLCACHE_HEADER pHeader, struct _HASH_ENTRY *pHashEntry) { CACHEFILE_ENTRY * pEntry; URL_CACHEFILE_ENTRY * pUrlEntry; pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry); if (pEntry->dwSignature != URL_SIGNATURE) { FIXME("Trying to delete entry of unknown format %s\n", debugstr_an((LPCSTR)&pEntry->dwSignature, sizeof(DWORD))); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry; if(URLCache_IsLocked(pHashEntry, pUrlEntry)) { TRACE("Trying to delete locked entry\n"); pUrlEntry->CacheEntryType |= PENDING_DELETE_CACHE_ENTRY; SetLastError(ERROR_SHARING_VIOLATION); return FALSE; } if(!URLCache_DeleteFile(pContainer, pHeader, pUrlEntry)) { URLCache_DeleteEntry(pHeader, pEntry); } else { /* Add entry to leaked files list */ pUrlEntry->CacheFileEntry.dwSignature = LEAK_SIGNATURE; pUrlEntry->dwExemptDelta = pHeader->options[CACHE_HEADER_DATA_ROOT_LEAK_OFFSET]; pHeader->options[CACHE_HEADER_DATA_ROOT_LEAK_OFFSET] = pHashEntry->dwOffsetEntry; } URLCache_DeleteEntryFromHash(pHashEntry); return TRUE; } static HANDLE free_cache_running; static HANDLE dll_unload_event; static DWORD WINAPI handle_full_cache_worker(void *param) { FreeUrlCacheSpaceW(NULL, 20, 0); ReleaseSemaphore(free_cache_running, 1, NULL); return 0; } static void handle_full_cache(void) { if(WaitForSingleObject(free_cache_running, 0) == WAIT_OBJECT_0) { if(!QueueUserWorkItem(handle_full_cache_worker, NULL, 0)) ReleaseSemaphore(free_cache_running, 1, NULL); } } /* Enumerates entries in cache, allows cache unlocking between calls. */ static BOOL urlcache_next_entry(URLCACHE_HEADER *header, DWORD *hash_table_off, DWORD *hash_table_entry, struct _HASH_ENTRY **hash_entry, CACHEFILE_ENTRY **entry) { HASH_CACHEFILE_ENTRY *hashtable_entry; *hash_entry = NULL; *entry = NULL; if(!*hash_table_off) { *hash_table_off = header->dwOffsetFirstHashTable; *hash_table_entry = 0; hashtable_entry = URLCache_HashEntryFromOffset(header, *hash_table_off); }else { if(*hash_table_off >= header->dwFileSize) { *hash_table_off = 0; return FALSE; } hashtable_entry = URLCache_HashEntryFromOffset(header, *hash_table_off); } if(hashtable_entry->CacheFileEntry.dwSignature != HASH_SIGNATURE) { *hash_table_off = 0; return FALSE; } while(1) { if(*hash_table_entry >= HASHTABLE_SIZE) { *hash_table_off = hashtable_entry->dwAddressNext; if(!*hash_table_off) { *hash_table_off = 0; return FALSE; } hashtable_entry = URLCache_HashEntryFromOffset(header, *hash_table_off); *hash_table_entry = 0; } if(hashtable_entry->HashTable[*hash_table_entry].dwHashKey != HASHTABLE_DEL && hashtable_entry->HashTable[*hash_table_entry].dwHashKey != HASHTABLE_FREE) { *hash_entry = &hashtable_entry->HashTable[*hash_table_entry]; *entry = (CACHEFILE_ENTRY*)((LPBYTE)header + hashtable_entry->HashTable[*hash_table_entry].dwOffsetEntry); (*hash_table_entry)++; return TRUE; } (*hash_table_entry)++; } *hash_table_off = 0; return FALSE; } /* Rates an urlcache entry to determine if it can be deleted. * * Score 0 means that entry can safely be removed, the bigger rating * the smaller chance of entry being removed. * DWORD_MAX means that entry can't be deleted at all. * * Rating system is currently not fully compatible with native implementation. */ static DWORD urlcache_rate_entry(URL_CACHEFILE_ENTRY *url_entry, FILETIME *cur_time) { ULARGE_INTEGER time, access_time; DWORD rating; access_time.u.LowPart = url_entry->LastAccessTime.dwLowDateTime; access_time.u.HighPart = url_entry->LastAccessTime.dwHighDateTime; time.u.LowPart = cur_time->dwLowDateTime; time.u.HighPart = cur_time->dwHighDateTime; /* Don't touch entries that were added less than 10 minutes ago */ if(time.QuadPart < access_time.QuadPart + (ULONGLONG)10*60*FILETIME_SECOND) return -1; if(url_entry->CacheEntryType & STICKY_CACHE_ENTRY) if(time.QuadPart < access_time.QuadPart + (ULONGLONG)url_entry->dwExemptDelta*FILETIME_SECOND) return -1; time.QuadPart = (time.QuadPart-access_time.QuadPart)/FILETIME_SECOND; rating = 400*60*60*24/(60*60*24+time.QuadPart); if(url_entry->dwHitRate > 100) rating += 100; else rating += url_entry->dwHitRate; return rating; } static int dword_cmp(const void *p1, const void *p2) { return *(const DWORD*)p1 - *(const DWORD*)p2; } /*********************************************************************** * FreeUrlCacheSpaceW (WININET.@) * * Frees up some cache. * * PARAMETERS * cache_path [I] Which volume to free up from, or NULL if you don't care. * size [I] Percentage of the cache that should be free. * filter [I] Which entries can't be deleted (CacheEntryType) * * RETURNS * TRUE success. FALSE failure. * * IMPLEMENTATION * This implementation just retrieves the path of the cache directory, and * deletes its contents from the filesystem. The correct approach would * probably be to implement and use {FindFirst,FindNext,Delete}UrlCacheGroup(). */ BOOL WINAPI FreeUrlCacheSpaceW(LPCWSTR cache_path, DWORD size, DWORD filter) { URLCACHECONTAINER *container; DWORD path_len, err; TRACE("(%s, %x, %x)\n", debugstr_w(cache_path), size, filter); if(size<1 || size>100) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } if(cache_path) { path_len = strlenW(cache_path); if(cache_path[path_len-1] == '\\') path_len--; }else { path_len = 0; } if(size==100 && !filter) { LIST_FOR_EACH_ENTRY(container, &UrlContainers, URLCACHECONTAINER, entry) { /* When cache_path==NULL only clean Temporary Internet Files */ if((!path_len && container->cache_prefix[0]==0) || (path_len && !strncmpiW(container->path, cache_path, path_len) && (container->path[path_len]=='\0' || container->path[path_len]=='\\'))) { BOOL ret_del; WaitForSingleObject(container->hMutex, INFINITE); /* unlock, delete, recreate and lock cache */ URLCacheContainer_CloseIndex(container); ret_del = URLCache_DeleteCacheDirectory(container->path); err = URLCacheContainer_OpenIndex(container, MIN_BLOCK_NO); ReleaseMutex(container->hMutex); if(!ret_del || (err != ERROR_SUCCESS)) return FALSE; } } return TRUE; } LIST_FOR_EACH_ENTRY(container, &UrlContainers, URLCACHECONTAINER, entry) { URLCACHE_HEADER *header; struct _HASH_ENTRY *hash_entry; CACHEFILE_ENTRY *entry; URL_CACHEFILE_ENTRY *url_entry; ULONGLONG desired_size, cur_size; DWORD delete_factor, hash_table_off, hash_table_entry; DWORD rate[100], rate_no; FILETIME cur_time; if((path_len || container->cache_prefix[0]!=0) && (!path_len || strncmpiW(container->path, cache_path, path_len) || (container->path[path_len]!='\0' && container->path[path_len]!='\\'))) continue; err = URLCacheContainer_OpenIndex(container, MIN_BLOCK_NO); if(err != ERROR_SUCCESS) continue; header = URLCacheContainer_LockIndex(container); if(!header) continue; urlcache_clean_leaked_entries(container, header); desired_size = header->CacheLimit.QuadPart*(100-size)/100; cur_size = header->CacheUsage.QuadPart+header->ExemptUsage.QuadPart; if(cur_size <= desired_size) delete_factor = 0; else delete_factor = (cur_size-desired_size)*100/cur_size; if(!delete_factor) { URLCacheContainer_UnlockIndex(container, header); continue; } hash_table_off = 0; hash_table_entry = 0; rate_no = 0; GetSystemTimeAsFileTime(&cur_time); while(rate_nodwSignature != URL_SIGNATURE) { WARN("only url entries are currently supported\n"); continue; } url_entry = (URL_CACHEFILE_ENTRY*)entry; if(url_entry->CacheEntryType & filter) continue; rate[rate_no] = urlcache_rate_entry(url_entry, &cur_time); if(rate[rate_no] != -1) rate_no++; } if(!rate_no) { TRACE("nothing to delete\n"); URLCacheContainer_UnlockIndex(container, header); continue; } qsort(rate, rate_no, sizeof(DWORD), dword_cmp); delete_factor = delete_factor*rate_no/100; delete_factor = rate[delete_factor]; TRACE("deleting files with rating %d or less\n", delete_factor); hash_table_off = 0; while(urlcache_next_entry(header, &hash_table_off, &hash_table_entry, &hash_entry, &entry)) { if(entry->dwSignature != URL_SIGNATURE) continue; url_entry = (URL_CACHEFILE_ENTRY*)entry; if(url_entry->CacheEntryType & filter) continue; if(urlcache_rate_entry(url_entry, &cur_time) <= delete_factor) { TRACE("deleting file: %s\n", (char*)url_entry+url_entry->dwOffsetLocalName); DeleteUrlCacheEntryInternal(container, header, hash_entry); if(header->CacheUsage.QuadPart+header->ExemptUsage.QuadPart <= desired_size) break; /* Allow other threads to use cache while cleaning */ URLCacheContainer_UnlockIndex(container, header); if(WaitForSingleObject(dll_unload_event, 0) == WAIT_OBJECT_0) { TRACE("got dll_unload_event - finishing\n"); return TRUE; } Sleep(0); header = URLCacheContainer_LockIndex(container); } } TRACE("cache size after cleaning 0x%s/0x%s\n", wine_dbgstr_longlong(header->CacheUsage.QuadPart+header->ExemptUsage.QuadPart), wine_dbgstr_longlong(header->CacheLimit.QuadPart)); URLCacheContainer_UnlockIndex(container, header); } return TRUE; } /*********************************************************************** * FreeUrlCacheSpaceA (WININET.@) * * See FreeUrlCacheSpaceW. */ BOOL WINAPI FreeUrlCacheSpaceA(LPCSTR lpszCachePath, DWORD dwSize, DWORD dwFilter) { BOOL ret = FALSE; LPWSTR path = heap_strdupAtoW(lpszCachePath); if (lpszCachePath == NULL || path != NULL) ret = FreeUrlCacheSpaceW(path, dwSize, dwFilter); heap_free(path); return ret; } /*********************************************************************** * UnlockUrlCacheEntryFileA (WININET.@) * */ BOOL WINAPI UnlockUrlCacheEntryFileA( IN LPCSTR lpszUrlName, IN DWORD dwReserved ) { LPURLCACHE_HEADER pHeader; struct _HASH_ENTRY * pHashEntry; CACHEFILE_ENTRY * pEntry; URL_CACHEFILE_ENTRY * pUrlEntry; URLCACHECONTAINER * pContainer; DWORD error; TRACE("(%s, 0x%08x)\n", debugstr_a(lpszUrlName), dwReserved); if (dwReserved) { ERR("dwReserved != 0\n"); SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } error = URLCacheContainers_FindContainerA(lpszUrlName, &pContainer); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } error = URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } if (!(pHeader = URLCacheContainer_LockIndex(pContainer))) return FALSE; if (!URLCache_FindHash(pHeader, lpszUrlName, &pHashEntry)) { URLCacheContainer_UnlockIndex(pContainer, pHeader); TRACE("entry %s not found!\n", lpszUrlName); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry); if (pEntry->dwSignature != URL_SIGNATURE) { URLCacheContainer_UnlockIndex(pContainer, pHeader); FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD))); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry; if (pUrlEntry->dwUseCount == 0) { URLCacheContainer_UnlockIndex(pContainer, pHeader); return FALSE; } pUrlEntry->dwUseCount--; if (!pUrlEntry->dwUseCount) { URLCache_HashEntrySetFlags(pHashEntry, HASHTABLE_URL); if (pUrlEntry->CacheEntryType & PENDING_DELETE_CACHE_ENTRY) DeleteUrlCacheEntryInternal(pContainer, pHeader, pHashEntry); } URLCacheContainer_UnlockIndex(pContainer, pHeader); return TRUE; } /*********************************************************************** * UnlockUrlCacheEntryFileW (WININET.@) * */ BOOL WINAPI UnlockUrlCacheEntryFileW( LPCWSTR lpszUrlName, DWORD dwReserved ) { LPURLCACHE_HEADER pHeader; struct _HASH_ENTRY * pHashEntry; CACHEFILE_ENTRY * pEntry; URL_CACHEFILE_ENTRY * pUrlEntry; URLCACHECONTAINER * pContainer; DWORD error; TRACE("(%s, 0x%08x)\n", debugstr_w(lpszUrlName), dwReserved); if (dwReserved) { ERR("dwReserved != 0\n"); SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } error = URLCacheContainers_FindContainerW(lpszUrlName, &pContainer); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } error = URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } if (!(pHeader = URLCacheContainer_LockIndex(pContainer))) return FALSE; if (!URLCache_FindHashW(pHeader, lpszUrlName, &pHashEntry)) { URLCacheContainer_UnlockIndex(pContainer, pHeader); TRACE("entry %s not found!\n", debugstr_w(lpszUrlName)); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry); if (pEntry->dwSignature != URL_SIGNATURE) { URLCacheContainer_UnlockIndex(pContainer, pHeader); FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD))); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry; if (pUrlEntry->dwUseCount == 0) { URLCacheContainer_UnlockIndex(pContainer, pHeader); return FALSE; } pUrlEntry->dwUseCount--; if (!pUrlEntry->dwUseCount) URLCache_HashEntrySetFlags(pHashEntry, HASHTABLE_URL); URLCacheContainer_UnlockIndex(pContainer, pHeader); return TRUE; } /*********************************************************************** * CreateUrlCacheEntryA (WININET.@) * */ BOOL WINAPI CreateUrlCacheEntryA( IN LPCSTR lpszUrlName, IN DWORD dwExpectedFileSize, IN LPCSTR lpszFileExtension, OUT LPSTR lpszFileName, IN DWORD dwReserved ) { WCHAR *url_name; WCHAR *file_extension = NULL; WCHAR file_name[MAX_PATH]; BOOL bSuccess = FALSE; DWORD dwError = 0; TRACE("(%s %d %s %p %d)\n", debugstr_a(lpszUrlName), dwExpectedFileSize, debugstr_a(lpszFileExtension), lpszFileName, dwReserved); if (lpszUrlName && (url_name = heap_strdupAtoW(lpszUrlName))) { if (!lpszFileExtension || (file_extension = heap_strdupAtoW(lpszFileExtension))) { if (CreateUrlCacheEntryW(url_name, dwExpectedFileSize, file_extension, file_name, dwReserved)) { if (WideCharToMultiByte(CP_ACP, 0, file_name, -1, lpszFileName, MAX_PATH, NULL, NULL) < MAX_PATH) { bSuccess = TRUE; } else { dwError = GetLastError(); } } else { dwError = GetLastError(); } heap_free(file_extension); } else { dwError = GetLastError(); } heap_free(url_name); if (!bSuccess) SetLastError(dwError); } return bSuccess; } /*********************************************************************** * CreateUrlCacheEntryW (WININET.@) * */ BOOL WINAPI CreateUrlCacheEntryW( IN LPCWSTR lpszUrlName, IN DWORD dwExpectedFileSize, IN LPCWSTR lpszFileExtension, OUT LPWSTR lpszFileName, IN DWORD dwReserved ) { URLCACHECONTAINER * pContainer; LPURLCACHE_HEADER pHeader; CHAR szFile[MAX_PATH]; WCHAR szExtension[MAX_PATH]; LPCWSTR lpszUrlPart; LPCWSTR lpszUrlEnd; LPCWSTR lpszFileNameExtension; LPWSTR lpszFileNameNoPath; int i; int countnoextension; BYTE CacheDir; LONG lBufferSize; BOOL bFound = FALSE; BOOL generate_name = FALSE; int count; DWORD error; HANDLE hFile; FILETIME ft; static const WCHAR szWWW[] = {'w','w','w',0}; TRACE("(%s, 0x%08x, %s, %p, 0x%08x)\n", debugstr_w(lpszUrlName), dwExpectedFileSize, debugstr_w(lpszFileExtension), lpszFileName, dwReserved); if (dwReserved) FIXME("dwReserved 0x%08x\n", dwReserved); lpszUrlEnd = lpszUrlName + strlenW(lpszUrlName); if (((lpszUrlEnd - lpszUrlName) > 1) && (*(lpszUrlEnd - 1) == '/' || *(lpszUrlEnd - 1) == '\\')) lpszUrlEnd--; lpszUrlPart = memchrW(lpszUrlName, '?', lpszUrlEnd - lpszUrlName); if (!lpszUrlPart) lpszUrlPart = memchrW(lpszUrlName, '#', lpszUrlEnd - lpszUrlName); if (lpszUrlPart) lpszUrlEnd = lpszUrlPart; for (lpszUrlPart = lpszUrlEnd; (lpszUrlPart >= lpszUrlName); lpszUrlPart--) { if ((*lpszUrlPart == '/' || *lpszUrlPart == '\\') && ((lpszUrlEnd - lpszUrlPart) > 1)) { bFound = TRUE; lpszUrlPart++; break; } } if(!bFound) lpszUrlPart++; if (!lstrcmpW(lpszUrlPart, szWWW)) { lpszUrlPart += lstrlenW(szWWW); } count = lpszUrlEnd - lpszUrlPart; if (bFound && (count < MAX_PATH)) { int len = WideCharToMultiByte(CP_ACP, 0, lpszUrlPart, count, szFile, sizeof(szFile) - 1, NULL, NULL); if (!len) return FALSE; szFile[len] = '\0'; while(len && szFile[--len] == '/') szFile[len] = '\0'; /* FIXME: get rid of illegal characters like \, / and : */ TRACE("File name: %s\n", debugstr_a(szFile)); } else { generate_name = TRUE; szFile[0] = 0; } error = URLCacheContainers_FindContainerW(lpszUrlName, &pContainer); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } error = URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } if (!(pHeader = URLCacheContainer_LockIndex(pContainer))) return FALSE; if(pHeader->DirectoryCount) CacheDir = (BYTE)(rand() % pHeader->DirectoryCount); else CacheDir = CACHE_CONTAINER_NO_SUBDIR; lBufferSize = MAX_PATH * sizeof(WCHAR); if (!URLCache_LocalFileNameToPathW(pContainer, pHeader, szFile, CacheDir, lpszFileName, &lBufferSize)) { WARN("Failed to get full path for filename %s, needed %u bytes.\n", debugstr_a(szFile), lBufferSize); URLCacheContainer_UnlockIndex(pContainer, pHeader); return FALSE; } URLCacheContainer_UnlockIndex(pContainer, pHeader); for (lpszFileNameNoPath = lpszFileName + lBufferSize / sizeof(WCHAR) - 2; lpszFileNameNoPath >= lpszFileName; --lpszFileNameNoPath) { if (*lpszFileNameNoPath == '/' || *lpszFileNameNoPath == '\\') break; } countnoextension = lstrlenW(lpszFileNameNoPath); lpszFileNameExtension = PathFindExtensionW(lpszFileNameNoPath); if (lpszFileNameExtension) countnoextension -= lstrlenW(lpszFileNameExtension); *szExtension = '\0'; if (lpszFileExtension) { szExtension[0] = '.'; lstrcpyW(szExtension+1, lpszFileExtension); } for (i = 0; i<255 && !generate_name; i++) { static const WCHAR szFormat[] = {'[','%','u',']','%','s',0}; WCHAR *p; wsprintfW(lpszFileNameNoPath + countnoextension, szFormat, i, szExtension); for (p = lpszFileNameNoPath + 1; *p; p++) { switch (*p) { case '<': case '>': case ':': case '"': case '/': case '\\': case '|': case '?': case '*': *p = '_'; break; default: break; } } if (p[-1] == ' ' || p[-1] == '.') p[-1] = '_'; TRACE("Trying: %s\n", debugstr_w(lpszFileName)); hFile = CreateFileW(lpszFileName, GENERIC_READ, 0, NULL, CREATE_NEW, 0, NULL); if (hFile != INVALID_HANDLE_VALUE) { CloseHandle(hFile); return TRUE; } } /* Try to generate random name */ GetSystemTimeAsFileTime(&ft); strcpyW(lpszFileNameNoPath+countnoextension+8, szExtension); for(i=0; i<255; i++) { int j; ULONGLONG n = ft.dwHighDateTime; n <<= 32; n += ft.dwLowDateTime; n ^= (ULONGLONG)i<<48; for(j=0; j<8; j++) { int r = (n % 36); n /= 37; lpszFileNameNoPath[countnoextension+j] = (r < 10 ? '0' + r : 'A' + r - 10); } TRACE("Trying: %s\n", debugstr_w(lpszFileName)); hFile = CreateFileW(lpszFileName, GENERIC_READ, 0, NULL, CREATE_NEW, 0, NULL); if (hFile != INVALID_HANDLE_VALUE) { CloseHandle(hFile); return TRUE; } } WARN("Could not find a unique filename\n"); return FALSE; } /*********************************************************************** * CommitUrlCacheEntryInternal (Compensates for an MS bug) * * The bug we are compensating for is that some drongo at Microsoft * used lpHeaderInfo to pass binary data to CommitUrlCacheEntryA. * As a consequence, CommitUrlCacheEntryA has been effectively * redefined as LPBYTE rather than LPCSTR. But CommitUrlCacheEntryW * is still defined as LPCWSTR. The result (other than madness) is * that we always need to store lpHeaderInfo in CP_ACP rather than * in UTF16, and we need to avoid converting lpHeaderInfo in * CommitUrlCacheEntryA to UTF16 and then back to CP_ACP, since the * result will lose data for arbitrary binary data. * */ static BOOL CommitUrlCacheEntryInternal( IN LPCWSTR lpszUrlName, IN LPCWSTR lpszLocalFileName, IN FILETIME ExpireTime, IN FILETIME LastModifiedTime, IN DWORD CacheEntryType, IN LPBYTE lpHeaderInfo, IN DWORD dwHeaderSize, IN LPCWSTR lpszFileExtension, IN LPCWSTR lpszOriginalUrl ) { URLCACHECONTAINER * pContainer; LPURLCACHE_HEADER pHeader; struct _HASH_ENTRY * pHashEntry; CACHEFILE_ENTRY * pEntry; URL_CACHEFILE_ENTRY * pUrlEntry; DWORD url_entry_offset; DWORD dwBytesNeeded = DWORD_ALIGN(sizeof(*pUrlEntry)); DWORD dwOffsetLocalFileName = 0; DWORD dwOffsetHeader = 0; DWORD dwOffsetFileExtension = 0; WIN32_FILE_ATTRIBUTE_DATA file_attr; LARGE_INTEGER file_size; BYTE cDirectory; char achFile[MAX_PATH]; LPSTR lpszUrlNameA = NULL; LPSTR lpszFileExtensionA = NULL; char *pchLocalFileName = 0; DWORD hit_rate = 0; DWORD exempt_delta = 0; DWORD error; TRACE("(%s, %s, ..., ..., %x, %p, %d, %s, %s)\n", debugstr_w(lpszUrlName), debugstr_w(lpszLocalFileName), CacheEntryType, lpHeaderInfo, dwHeaderSize, debugstr_w(lpszFileExtension), debugstr_w(lpszOriginalUrl)); if (CacheEntryType & STICKY_CACHE_ENTRY && !lpszLocalFileName) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } if (lpszOriginalUrl) WARN(": lpszOriginalUrl ignored\n"); memset(&file_attr, 0, sizeof(file_attr)); if (lpszLocalFileName) { if(!GetFileAttributesExW(lpszLocalFileName, GetFileExInfoStandard, &file_attr)) return FALSE; } file_size.u.LowPart = file_attr.nFileSizeLow; file_size.u.HighPart = file_attr.nFileSizeHigh; error = URLCacheContainers_FindContainerW(lpszUrlName, &pContainer); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } error = URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } if (!(pHeader = URLCacheContainer_LockIndex(pContainer))) return FALSE; lpszUrlNameA = heap_strdupWtoA(lpszUrlName); if (!lpszUrlNameA) { error = GetLastError(); goto cleanup; } if (lpszFileExtension && !(lpszFileExtensionA = heap_strdupWtoA(lpszFileExtension))) { error = GetLastError(); goto cleanup; } if (URLCache_FindHash(pHeader, lpszUrlNameA, &pHashEntry)) { URL_CACHEFILE_ENTRY *pUrlEntry = (URL_CACHEFILE_ENTRY*)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry); if (URLCache_IsLocked(pHashEntry, pUrlEntry)) { TRACE("Trying to overwrite locked entry\n"); error = ERROR_SHARING_VIOLATION; goto cleanup; } hit_rate = pUrlEntry->dwHitRate; exempt_delta = pUrlEntry->dwExemptDelta; DeleteUrlCacheEntryInternal(pContainer, pHeader, pHashEntry); } if (pHeader->DirectoryCount) cDirectory = 0; else cDirectory = CACHE_CONTAINER_NO_SUBDIR; if (lpszLocalFileName) { BOOL bFound = FALSE; if (strncmpW(lpszLocalFileName, pContainer->path, lstrlenW(pContainer->path))) { ERR("path %s must begin with cache content path %s\n", debugstr_w(lpszLocalFileName), debugstr_w(pContainer->path)); error = ERROR_INVALID_PARAMETER; goto cleanup; } /* skip container path prefix */ lpszLocalFileName += lstrlenW(pContainer->path); WideCharToMultiByte(CP_ACP, 0, lpszLocalFileName, -1, achFile, MAX_PATH, NULL, NULL); pchLocalFileName = achFile; if(pHeader->DirectoryCount) { for (cDirectory = 0; cDirectory < pHeader->DirectoryCount; cDirectory++) { if (!strncmp(pHeader->directory_data[cDirectory].filename, pchLocalFileName, DIR_LENGTH)) { bFound = TRUE; break; } } if (!bFound) { ERR("cache directory not found in path %s\n", debugstr_w(lpszLocalFileName)); error = ERROR_INVALID_PARAMETER; goto cleanup; } lpszLocalFileName += DIR_LENGTH + 1; pchLocalFileName += DIR_LENGTH + 1; } } dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + strlen(lpszUrlNameA) + 1); if (lpszLocalFileName) { dwOffsetLocalFileName = dwBytesNeeded; dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + strlen(pchLocalFileName) + 1); } if (lpHeaderInfo) { dwOffsetHeader = dwBytesNeeded; dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + dwHeaderSize); } if (lpszFileExtensionA) { dwOffsetFileExtension = dwBytesNeeded; dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + strlen(lpszFileExtensionA) + 1); } /* round up to next block */ if (dwBytesNeeded % BLOCKSIZE) { dwBytesNeeded -= dwBytesNeeded % BLOCKSIZE; dwBytesNeeded += BLOCKSIZE; } error = URLCache_FindFirstFreeEntry(pHeader, dwBytesNeeded / BLOCKSIZE, &pEntry); while (error == ERROR_HANDLE_DISK_FULL) { error = URLCacheContainer_CleanIndex(pContainer, &pHeader); if (error == ERROR_SUCCESS) error = URLCache_FindFirstFreeEntry(pHeader, dwBytesNeeded / BLOCKSIZE, &pEntry); } if (error != ERROR_SUCCESS) goto cleanup; /* FindFirstFreeEntry fills in blocks used */ pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry; url_entry_offset = (LPBYTE)pUrlEntry - (LPBYTE)pHeader; pUrlEntry->CacheFileEntry.dwSignature = URL_SIGNATURE; pUrlEntry->CacheDir = cDirectory; pUrlEntry->CacheEntryType = CacheEntryType | pContainer->default_entry_type; pUrlEntry->dwHeaderInfoSize = dwHeaderSize; if ((CacheEntryType & STICKY_CACHE_ENTRY) && !exempt_delta) { /* Sticky entries have a default exempt time of one day */ exempt_delta = 86400; } pUrlEntry->dwExemptDelta = exempt_delta; pUrlEntry->dwHitRate = hit_rate+1; pUrlEntry->dwOffsetFileExtension = dwOffsetFileExtension; pUrlEntry->dwOffsetHeaderInfo = dwOffsetHeader; pUrlEntry->dwOffsetLocalName = dwOffsetLocalFileName; pUrlEntry->dwOffsetUrl = DWORD_ALIGN(sizeof(*pUrlEntry)); pUrlEntry->size.QuadPart = file_size.QuadPart; pUrlEntry->dwUseCount = 0; GetSystemTimeAsFileTime(&pUrlEntry->LastAccessTime); pUrlEntry->LastModifiedTime = LastModifiedTime; URLCache_FileTimeToDosDateTime(&pUrlEntry->LastAccessTime, &pUrlEntry->wLastSyncDate, &pUrlEntry->wLastSyncTime); URLCache_FileTimeToDosDateTime(&ExpireTime, &pUrlEntry->wExpiredDate, &pUrlEntry->wExpiredTime); URLCache_FileTimeToDosDateTime(&file_attr.ftLastWriteTime, &pUrlEntry->LastWriteDate, &pUrlEntry->LastWriteTime); /*** Unknowns ***/ pUrlEntry->dwUnknown1 = 0; pUrlEntry->dwUnknown2 = 0; pUrlEntry->dwUnknown3 = 0x60; pUrlEntry->Unknown4 = 0; pUrlEntry->wUnknown5 = 0x1010; pUrlEntry->dwUnknown7 = 0; pUrlEntry->dwUnknown8 = 0; strcpy((LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl, lpszUrlNameA); if (dwOffsetLocalFileName) strcpy((LPSTR)((LPBYTE)pUrlEntry + dwOffsetLocalFileName), pchLocalFileName); if (dwOffsetHeader) memcpy((LPBYTE)pUrlEntry + dwOffsetHeader, lpHeaderInfo, dwHeaderSize); if (dwOffsetFileExtension) strcpy((LPSTR)((LPBYTE)pUrlEntry + dwOffsetFileExtension), lpszFileExtensionA); error = URLCache_AddEntryToHash(pHeader, lpszUrlNameA, url_entry_offset, HASHTABLE_URL); while (error == ERROR_HANDLE_DISK_FULL) { error = URLCacheContainer_CleanIndex(pContainer, &pHeader); if (error == ERROR_SUCCESS) { pUrlEntry = (URL_CACHEFILE_ENTRY *)((LPBYTE)pHeader + url_entry_offset); error = URLCache_AddEntryToHash(pHeader, lpszUrlNameA, url_entry_offset, HASHTABLE_URL); } } if (error != ERROR_SUCCESS) URLCache_DeleteEntry(pHeader, &pUrlEntry->CacheFileEntry); else { if (pUrlEntry->CacheDir < pHeader->DirectoryCount) pHeader->directory_data[pUrlEntry->CacheDir].dwNumFiles++; if (CacheEntryType & STICKY_CACHE_ENTRY) pHeader->ExemptUsage.QuadPart += file_size.QuadPart; else pHeader->CacheUsage.QuadPart += file_size.QuadPart; if (pHeader->CacheUsage.QuadPart + pHeader->ExemptUsage.QuadPart > pHeader->CacheLimit.QuadPart) handle_full_cache(); } cleanup: URLCacheContainer_UnlockIndex(pContainer, pHeader); heap_free(lpszUrlNameA); heap_free(lpszFileExtensionA); if (error == ERROR_SUCCESS) return TRUE; else { SetLastError(error); return FALSE; } } /*********************************************************************** * CommitUrlCacheEntryA (WININET.@) * */ BOOL WINAPI CommitUrlCacheEntryA( IN LPCSTR lpszUrlName, IN LPCSTR lpszLocalFileName, IN FILETIME ExpireTime, IN FILETIME LastModifiedTime, IN DWORD CacheEntryType, IN LPBYTE lpHeaderInfo, IN DWORD dwHeaderSize, IN LPCSTR lpszFileExtension, IN LPCSTR lpszOriginalUrl ) { WCHAR *url_name = NULL; WCHAR *local_file_name = NULL; WCHAR *original_url = NULL; WCHAR *file_extension = NULL; BOOL bSuccess = FALSE; TRACE("(%s, %s, ..., ..., %x, %p, %d, %s, %s)\n", debugstr_a(lpszUrlName), debugstr_a(lpszLocalFileName), CacheEntryType, lpHeaderInfo, dwHeaderSize, debugstr_a(lpszFileExtension), debugstr_a(lpszOriginalUrl)); url_name = heap_strdupAtoW(lpszUrlName); if (!url_name) goto cleanup; if (lpszLocalFileName) { local_file_name = heap_strdupAtoW(lpszLocalFileName); if (!local_file_name) goto cleanup; } if (lpszFileExtension) { file_extension = heap_strdupAtoW(lpszFileExtension); if (!file_extension) goto cleanup; } if (lpszOriginalUrl) { original_url = heap_strdupAtoW(lpszOriginalUrl); if (!original_url) goto cleanup; } bSuccess = CommitUrlCacheEntryInternal(url_name, local_file_name, ExpireTime, LastModifiedTime, CacheEntryType, lpHeaderInfo, dwHeaderSize, file_extension, original_url); cleanup: heap_free(original_url); heap_free(file_extension); heap_free(local_file_name); heap_free(url_name); return bSuccess; } /*********************************************************************** * CommitUrlCacheEntryW (WININET.@) * */ BOOL WINAPI CommitUrlCacheEntryW( IN LPCWSTR lpszUrlName, IN LPCWSTR lpszLocalFileName, IN FILETIME ExpireTime, IN FILETIME LastModifiedTime, IN DWORD CacheEntryType, IN LPWSTR lpHeaderInfo, IN DWORD dwHeaderSize, IN LPCWSTR lpszFileExtension, IN LPCWSTR lpszOriginalUrl ) { DWORD dwError = 0; BOOL bSuccess = FALSE; DWORD len = 0; CHAR *header_info = NULL; TRACE("(%s, %s, ..., ..., %x, %p, %d, %s, %s)\n", debugstr_w(lpszUrlName), debugstr_w(lpszLocalFileName), CacheEntryType, lpHeaderInfo, dwHeaderSize, debugstr_w(lpszFileExtension), debugstr_w(lpszOriginalUrl)); if (!lpHeaderInfo || (header_info = heap_strdupWtoA(lpHeaderInfo))) { if(header_info) len = strlen(header_info); if (CommitUrlCacheEntryInternal(lpszUrlName, lpszLocalFileName, ExpireTime, LastModifiedTime, CacheEntryType, (LPBYTE)header_info, len, lpszFileExtension, lpszOriginalUrl)) { bSuccess = TRUE; } else { dwError = GetLastError(); } if (header_info) { heap_free(header_info); if (!bSuccess) SetLastError(dwError); } } return bSuccess; } /*********************************************************************** * ReadUrlCacheEntryStream (WININET.@) * */ BOOL WINAPI ReadUrlCacheEntryStream( IN HANDLE hUrlCacheStream, IN DWORD dwLocation, IN OUT LPVOID lpBuffer, IN OUT LPDWORD lpdwLen, IN DWORD dwReserved ) { /* Get handle to file from 'stream' */ STREAM_HANDLE * pStream = (STREAM_HANDLE *)hUrlCacheStream; if (dwReserved != 0) { ERR("dwReserved != 0\n"); SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } if (IsBadReadPtr(pStream, sizeof(*pStream)) || IsBadStringPtrA(pStream->lpszUrl, INTERNET_MAX_URL_LENGTH)) { SetLastError(ERROR_INVALID_HANDLE); return FALSE; } if (SetFilePointer(pStream->hFile, dwLocation, NULL, FILE_CURRENT) == INVALID_SET_FILE_POINTER) return FALSE; return ReadFile(pStream->hFile, lpBuffer, *lpdwLen, lpdwLen, NULL); } /*********************************************************************** * RetrieveUrlCacheEntryStreamA (WININET.@) * */ HANDLE WINAPI RetrieveUrlCacheEntryStreamA( IN LPCSTR lpszUrlName, OUT LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo, IN OUT LPDWORD lpdwCacheEntryInfoBufferSize, IN BOOL fRandomRead, IN DWORD dwReserved ) { /* NOTE: this is not the same as the way that the native * version allocates 'stream' handles. I did it this way * as it is much easier and no applications should depend * on this behaviour. (Native version appears to allocate * indices into a table) */ STREAM_HANDLE * pStream; HANDLE hFile; TRACE( "(%s, %p, %p, %x, 0x%08x)\n", debugstr_a(lpszUrlName), lpCacheEntryInfo, lpdwCacheEntryInfoBufferSize, fRandomRead, dwReserved ); if (!RetrieveUrlCacheEntryFileA(lpszUrlName, lpCacheEntryInfo, lpdwCacheEntryInfoBufferSize, dwReserved)) { return NULL; } hFile = CreateFileA(lpCacheEntryInfo->lpszLocalFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, fRandomRead ? FILE_FLAG_RANDOM_ACCESS : 0, NULL); if (hFile == INVALID_HANDLE_VALUE) return FALSE; /* allocate handle storage space */ pStream = heap_alloc(sizeof(STREAM_HANDLE) + strlen(lpszUrlName) * sizeof(CHAR)); if (!pStream) { CloseHandle(hFile); SetLastError(ERROR_OUTOFMEMORY); return FALSE; } pStream->hFile = hFile; strcpy(pStream->lpszUrl, lpszUrlName); return pStream; } /*********************************************************************** * RetrieveUrlCacheEntryStreamW (WININET.@) * */ HANDLE WINAPI RetrieveUrlCacheEntryStreamW( IN LPCWSTR lpszUrlName, OUT LPINTERNET_CACHE_ENTRY_INFOW lpCacheEntryInfo, IN OUT LPDWORD lpdwCacheEntryInfoBufferSize, IN BOOL fRandomRead, IN DWORD dwReserved ) { DWORD size; int url_len; /* NOTE: this is not the same as the way that the native * version allocates 'stream' handles. I did it this way * as it is much easier and no applications should depend * on this behaviour. (Native version appears to allocate * indices into a table) */ STREAM_HANDLE * pStream; HANDLE hFile; TRACE( "(%s, %p, %p, %x, 0x%08x)\n", debugstr_w(lpszUrlName), lpCacheEntryInfo, lpdwCacheEntryInfoBufferSize, fRandomRead, dwReserved ); if (!RetrieveUrlCacheEntryFileW(lpszUrlName, lpCacheEntryInfo, lpdwCacheEntryInfoBufferSize, dwReserved)) { return NULL; } hFile = CreateFileW(lpCacheEntryInfo->lpszLocalFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, fRandomRead ? FILE_FLAG_RANDOM_ACCESS : 0, NULL); if (hFile == INVALID_HANDLE_VALUE) return FALSE; /* allocate handle storage space */ size = sizeof(STREAM_HANDLE); url_len = WideCharToMultiByte(CP_ACP, 0, lpszUrlName, -1, NULL, 0, NULL, NULL); size += url_len; pStream = heap_alloc(size); if (!pStream) { CloseHandle(hFile); SetLastError(ERROR_OUTOFMEMORY); return FALSE; } pStream->hFile = hFile; WideCharToMultiByte(CP_ACP, 0, lpszUrlName, -1, pStream->lpszUrl, url_len, NULL, NULL); return pStream; } /*********************************************************************** * UnlockUrlCacheEntryStream (WININET.@) * */ BOOL WINAPI UnlockUrlCacheEntryStream( IN HANDLE hUrlCacheStream, IN DWORD dwReserved ) { STREAM_HANDLE * pStream = (STREAM_HANDLE *)hUrlCacheStream; if (dwReserved != 0) { ERR("dwReserved != 0\n"); SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } if (IsBadReadPtr(pStream, sizeof(*pStream)) || IsBadStringPtrA(pStream->lpszUrl, INTERNET_MAX_URL_LENGTH)) { SetLastError(ERROR_INVALID_HANDLE); return FALSE; } if (!UnlockUrlCacheEntryFileA(pStream->lpszUrl, 0)) return FALSE; CloseHandle(pStream->hFile); heap_free(pStream); return TRUE; } /*********************************************************************** * DeleteUrlCacheEntryA (WININET.@) * */ BOOL WINAPI DeleteUrlCacheEntryA(LPCSTR lpszUrlName) { URLCACHECONTAINER * pContainer; LPURLCACHE_HEADER pHeader; struct _HASH_ENTRY * pHashEntry; DWORD error; BOOL ret; TRACE("(%s)\n", debugstr_a(lpszUrlName)); error = URLCacheContainers_FindContainerA(lpszUrlName, &pContainer); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } error = URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } if (!(pHeader = URLCacheContainer_LockIndex(pContainer))) return FALSE; if (!URLCache_FindHash(pHeader, lpszUrlName, &pHashEntry)) { URLCacheContainer_UnlockIndex(pContainer, pHeader); TRACE("entry %s not found!\n", lpszUrlName); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } ret = DeleteUrlCacheEntryInternal(pContainer, pHeader, pHashEntry); URLCacheContainer_UnlockIndex(pContainer, pHeader); return ret; } /*********************************************************************** * DeleteUrlCacheEntryW (WININET.@) * */ BOOL WINAPI DeleteUrlCacheEntryW(LPCWSTR lpszUrlName) { URLCACHECONTAINER * pContainer; LPURLCACHE_HEADER pHeader; struct _HASH_ENTRY * pHashEntry; LPSTR urlA; DWORD error; BOOL ret; TRACE("(%s)\n", debugstr_w(lpszUrlName)); urlA = heap_strdupWtoA(lpszUrlName); if (!urlA) { SetLastError(ERROR_OUTOFMEMORY); return FALSE; } error = URLCacheContainers_FindContainerW(lpszUrlName, &pContainer); if (error != ERROR_SUCCESS) { heap_free(urlA); SetLastError(error); return FALSE; } error = URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO); if (error != ERROR_SUCCESS) { heap_free(urlA); SetLastError(error); return FALSE; } if (!(pHeader = URLCacheContainer_LockIndex(pContainer))) { heap_free(urlA); return FALSE; } if (!URLCache_FindHash(pHeader, urlA, &pHashEntry)) { URLCacheContainer_UnlockIndex(pContainer, pHeader); TRACE("entry %s not found!\n", debugstr_a(urlA)); heap_free(urlA); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } ret = DeleteUrlCacheEntryInternal(pContainer, pHeader, pHashEntry); URLCacheContainer_UnlockIndex(pContainer, pHeader); heap_free(urlA); return ret; } BOOL WINAPI DeleteUrlCacheContainerA(DWORD d1, DWORD d2) { FIXME("(0x%08x, 0x%08x) stub\n", d1, d2); return TRUE; } BOOL WINAPI DeleteUrlCacheContainerW(DWORD d1, DWORD d2) { FIXME("(0x%08x, 0x%08x) stub\n", d1, d2); return TRUE; } /*********************************************************************** * CreateCacheContainerA (WININET.@) */ BOOL WINAPI CreateUrlCacheContainerA(DWORD d1, DWORD d2, DWORD d3, DWORD d4, DWORD d5, DWORD d6, DWORD d7, DWORD d8) { FIXME("(0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x) stub\n", d1, d2, d3, d4, d5, d6, d7, d8); return TRUE; } /*********************************************************************** * CreateCacheContainerW (WININET.@) */ BOOL WINAPI CreateUrlCacheContainerW(DWORD d1, DWORD d2, DWORD d3, DWORD d4, DWORD d5, DWORD d6, DWORD d7, DWORD d8) { FIXME("(0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x) stub\n", d1, d2, d3, d4, d5, d6, d7, d8); return TRUE; } /*********************************************************************** * FindFirstUrlCacheContainerA (WININET.@) */ HANDLE WINAPI FindFirstUrlCacheContainerA( LPVOID p1, LPVOID p2, LPVOID p3, DWORD d1 ) { FIXME("(%p, %p, %p, 0x%08x) stub\n", p1, p2, p3, d1 ); return NULL; } /*********************************************************************** * FindFirstUrlCacheContainerW (WININET.@) */ HANDLE WINAPI FindFirstUrlCacheContainerW( LPVOID p1, LPVOID p2, LPVOID p3, DWORD d1 ) { FIXME("(%p, %p, %p, 0x%08x) stub\n", p1, p2, p3, d1 ); return NULL; } /*********************************************************************** * FindNextUrlCacheContainerA (WININET.@) */ BOOL WINAPI FindNextUrlCacheContainerA( HANDLE handle, LPVOID p1, LPVOID p2 ) { FIXME("(%p, %p, %p) stub\n", handle, p1, p2 ); return FALSE; } /*********************************************************************** * FindNextUrlCacheContainerW (WININET.@) */ BOOL WINAPI FindNextUrlCacheContainerW( HANDLE handle, LPVOID p1, LPVOID p2 ) { FIXME("(%p, %p, %p) stub\n", handle, p1, p2 ); return FALSE; } HANDLE WINAPI FindFirstUrlCacheEntryExA( LPCSTR lpszUrlSearchPattern, DWORD dwFlags, DWORD dwFilter, GROUPID GroupId, LPINTERNET_CACHE_ENTRY_INFOA lpFirstCacheEntryInfo, LPDWORD lpdwFirstCacheEntryInfoBufferSize, LPVOID lpReserved, LPDWORD pcbReserved2, LPVOID lpReserved3 ) { FIXME("(%s, 0x%08x, 0x%08x, 0x%08x%08x, %p, %p, %p, %p, %p) stub\n", debugstr_a(lpszUrlSearchPattern), dwFlags, dwFilter, (ULONG)(GroupId >> 32), (ULONG)GroupId, lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize, lpReserved, pcbReserved2,lpReserved3); SetLastError(ERROR_FILE_NOT_FOUND); return NULL; } HANDLE WINAPI FindFirstUrlCacheEntryExW( LPCWSTR lpszUrlSearchPattern, DWORD dwFlags, DWORD dwFilter, GROUPID GroupId, LPINTERNET_CACHE_ENTRY_INFOW lpFirstCacheEntryInfo, LPDWORD lpdwFirstCacheEntryInfoBufferSize, LPVOID lpReserved, LPDWORD pcbReserved2, LPVOID lpReserved3 ) { FIXME("(%s, 0x%08x, 0x%08x, 0x%08x%08x, %p, %p, %p, %p, %p) stub\n", debugstr_w(lpszUrlSearchPattern), dwFlags, dwFilter, (ULONG)(GroupId >> 32), (ULONG)GroupId, lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize, lpReserved, pcbReserved2,lpReserved3); SetLastError(ERROR_FILE_NOT_FOUND); return NULL; } #define URLCACHE_FIND_ENTRY_HANDLE_MAGIC 0xF389ABCD typedef struct URLCacheFindEntryHandle { DWORD dwMagic; LPWSTR lpszUrlSearchPattern; DWORD dwContainerIndex; DWORD dwHashTableIndex; DWORD dwHashEntryIndex; } URLCacheFindEntryHandle; /*********************************************************************** * FindFirstUrlCacheEntryA (WININET.@) * */ INTERNETAPI HANDLE WINAPI FindFirstUrlCacheEntryA(LPCSTR lpszUrlSearchPattern, LPINTERNET_CACHE_ENTRY_INFOA lpFirstCacheEntryInfo, LPDWORD lpdwFirstCacheEntryInfoBufferSize) { URLCacheFindEntryHandle *pEntryHandle; TRACE("(%s, %p, %p)\n", debugstr_a(lpszUrlSearchPattern), lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize); pEntryHandle = heap_alloc(sizeof(*pEntryHandle)); if (!pEntryHandle) return NULL; pEntryHandle->dwMagic = URLCACHE_FIND_ENTRY_HANDLE_MAGIC; if (lpszUrlSearchPattern) { pEntryHandle->lpszUrlSearchPattern = heap_strdupAtoW(lpszUrlSearchPattern); if (!pEntryHandle->lpszUrlSearchPattern) { heap_free(pEntryHandle); return NULL; } } else pEntryHandle->lpszUrlSearchPattern = NULL; pEntryHandle->dwContainerIndex = 0; pEntryHandle->dwHashTableIndex = 0; pEntryHandle->dwHashEntryIndex = 0; if (!FindNextUrlCacheEntryA(pEntryHandle, lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize)) { heap_free(pEntryHandle); return NULL; } return pEntryHandle; } /*********************************************************************** * FindFirstUrlCacheEntryW (WININET.@) * */ INTERNETAPI HANDLE WINAPI FindFirstUrlCacheEntryW(LPCWSTR lpszUrlSearchPattern, LPINTERNET_CACHE_ENTRY_INFOW lpFirstCacheEntryInfo, LPDWORD lpdwFirstCacheEntryInfoBufferSize) { URLCacheFindEntryHandle *pEntryHandle; TRACE("(%s, %p, %p)\n", debugstr_w(lpszUrlSearchPattern), lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize); pEntryHandle = heap_alloc(sizeof(*pEntryHandle)); if (!pEntryHandle) return NULL; pEntryHandle->dwMagic = URLCACHE_FIND_ENTRY_HANDLE_MAGIC; if (lpszUrlSearchPattern) { pEntryHandle->lpszUrlSearchPattern = heap_strdupW(lpszUrlSearchPattern); if (!pEntryHandle->lpszUrlSearchPattern) { heap_free(pEntryHandle); return NULL; } } else pEntryHandle->lpszUrlSearchPattern = NULL; pEntryHandle->dwContainerIndex = 0; pEntryHandle->dwHashTableIndex = 0; pEntryHandle->dwHashEntryIndex = 0; if (!FindNextUrlCacheEntryW(pEntryHandle, lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize)) { heap_free(pEntryHandle); return NULL; } return pEntryHandle; } static BOOL FindNextUrlCacheEntryInternal( HANDLE hEnumHandle, LPINTERNET_CACHE_ENTRY_INFOA lpNextCacheEntryInfo, LPDWORD lpdwNextCacheEntryInfoBufferSize, BOOL unicode) { URLCacheFindEntryHandle *pEntryHandle = (URLCacheFindEntryHandle *)hEnumHandle; URLCACHECONTAINER * pContainer; if (pEntryHandle->dwMagic != URLCACHE_FIND_ENTRY_HANDLE_MAGIC) { SetLastError(ERROR_INVALID_HANDLE); return FALSE; } for (; URLCacheContainers_Enum(pEntryHandle->lpszUrlSearchPattern, pEntryHandle->dwContainerIndex, &pContainer); pEntryHandle->dwContainerIndex++, pEntryHandle->dwHashTableIndex = 0) { LPURLCACHE_HEADER pHeader; HASH_CACHEFILE_ENTRY *pHashTableEntry; DWORD error; error = URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO); if (error != ERROR_SUCCESS) { SetLastError(error); return FALSE; } if (!(pHeader = URLCacheContainer_LockIndex(pContainer))) return FALSE; for (; URLCache_EnumHashTables(pHeader, &pEntryHandle->dwHashTableIndex, &pHashTableEntry); pEntryHandle->dwHashTableIndex++, pEntryHandle->dwHashEntryIndex = 0) { const struct _HASH_ENTRY *pHashEntry = NULL; for (; URLCache_EnumHashTableEntries(pHeader, pHashTableEntry, &pEntryHandle->dwHashEntryIndex, &pHashEntry); pEntryHandle->dwHashEntryIndex++) { const URL_CACHEFILE_ENTRY *pUrlEntry; const CACHEFILE_ENTRY *pEntry = (const CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry); if (pEntry->dwSignature != URL_SIGNATURE) continue; pUrlEntry = (const URL_CACHEFILE_ENTRY *)pEntry; TRACE("Found URL: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetUrl)); TRACE("Header info: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo)); error = URLCache_CopyEntry( pContainer, pHeader, lpNextCacheEntryInfo, lpdwNextCacheEntryInfoBufferSize, pUrlEntry, unicode); if (error != ERROR_SUCCESS) { URLCacheContainer_UnlockIndex(pContainer, pHeader); SetLastError(error); return FALSE; } TRACE("Local File Name: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName)); /* increment the current index so that next time the function * is called the next entry is returned */ pEntryHandle->dwHashEntryIndex++; URLCacheContainer_UnlockIndex(pContainer, pHeader); return TRUE; } } URLCacheContainer_UnlockIndex(pContainer, pHeader); } SetLastError(ERROR_NO_MORE_ITEMS); return FALSE; } /*********************************************************************** * FindNextUrlCacheEntryA (WININET.@) */ BOOL WINAPI FindNextUrlCacheEntryA( HANDLE hEnumHandle, LPINTERNET_CACHE_ENTRY_INFOA lpNextCacheEntryInfo, LPDWORD lpdwNextCacheEntryInfoBufferSize) { TRACE("(%p, %p, %p)\n", hEnumHandle, lpNextCacheEntryInfo, lpdwNextCacheEntryInfoBufferSize); return FindNextUrlCacheEntryInternal(hEnumHandle, lpNextCacheEntryInfo, lpdwNextCacheEntryInfoBufferSize, FALSE /* not UNICODE */); } /*********************************************************************** * FindNextUrlCacheEntryW (WININET.@) */ BOOL WINAPI FindNextUrlCacheEntryW( HANDLE hEnumHandle, LPINTERNET_CACHE_ENTRY_INFOW lpNextCacheEntryInfo, LPDWORD lpdwNextCacheEntryInfoBufferSize ) { TRACE("(%p, %p, %p)\n", hEnumHandle, lpNextCacheEntryInfo, lpdwNextCacheEntryInfoBufferSize); return FindNextUrlCacheEntryInternal(hEnumHandle, (LPINTERNET_CACHE_ENTRY_INFOA)lpNextCacheEntryInfo, lpdwNextCacheEntryInfoBufferSize, TRUE /* UNICODE */); } /*********************************************************************** * FindCloseUrlCache (WININET.@) */ BOOL WINAPI FindCloseUrlCache(HANDLE hEnumHandle) { URLCacheFindEntryHandle *pEntryHandle = (URLCacheFindEntryHandle *)hEnumHandle; TRACE("(%p)\n", hEnumHandle); if (!pEntryHandle || pEntryHandle->dwMagic != URLCACHE_FIND_ENTRY_HANDLE_MAGIC) { SetLastError(ERROR_INVALID_HANDLE); return FALSE; } pEntryHandle->dwMagic = 0; heap_free(pEntryHandle->lpszUrlSearchPattern); heap_free(pEntryHandle); return TRUE; } HANDLE WINAPI FindFirstUrlCacheGroup( DWORD dwFlags, DWORD dwFilter, LPVOID lpSearchCondition, DWORD dwSearchCondition, GROUPID* lpGroupId, LPVOID lpReserved ) { FIXME("(0x%08x, 0x%08x, %p, 0x%08x, %p, %p) stub\n", dwFlags, dwFilter, lpSearchCondition, dwSearchCondition, lpGroupId, lpReserved); return NULL; } BOOL WINAPI FindNextUrlCacheEntryExA( HANDLE hEnumHandle, LPINTERNET_CACHE_ENTRY_INFOA lpFirstCacheEntryInfo, LPDWORD lpdwFirstCacheEntryInfoBufferSize, LPVOID lpReserved, LPDWORD pcbReserved2, LPVOID lpReserved3 ) { FIXME("(%p, %p, %p, %p, %p, %p) stub\n", hEnumHandle, lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize, lpReserved, pcbReserved2, lpReserved3); return FALSE; } BOOL WINAPI FindNextUrlCacheEntryExW( HANDLE hEnumHandle, LPINTERNET_CACHE_ENTRY_INFOW lpFirstCacheEntryInfo, LPDWORD lpdwFirstCacheEntryInfoBufferSize, LPVOID lpReserved, LPDWORD pcbReserved2, LPVOID lpReserved3 ) { FIXME("(%p, %p, %p, %p, %p, %p) stub\n", hEnumHandle, lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize, lpReserved, pcbReserved2, lpReserved3); return FALSE; } BOOL WINAPI FindNextUrlCacheGroup( HANDLE hFind, GROUPID* lpGroupId, LPVOID lpReserved ) { FIXME("(%p, %p, %p) stub\n", hFind, lpGroupId, lpReserved); return FALSE; } /*********************************************************************** * CreateUrlCacheGroup (WININET.@) * */ INTERNETAPI GROUPID WINAPI CreateUrlCacheGroup(DWORD dwFlags, LPVOID lpReserved) { FIXME("(0x%08x, %p): stub\n", dwFlags, lpReserved); return FALSE; } /*********************************************************************** * DeleteUrlCacheGroup (WININET.@) * */ BOOL WINAPI DeleteUrlCacheGroup(GROUPID GroupId, DWORD dwFlags, LPVOID lpReserved) { FIXME("(0x%08x%08x, 0x%08x, %p) stub\n", (ULONG)(GroupId >> 32), (ULONG)GroupId, dwFlags, lpReserved); return FALSE; } /*********************************************************************** * DeleteWpadCacheForNetworks (WININET.@) * Undocumented, added in IE8 */ BOOL WINAPI DeleteWpadCacheForNetworks(DWORD unk1) { FIXME("(%d) stub\n", unk1); return FALSE; } /*********************************************************************** * SetUrlCacheEntryGroupA (WININET.@) * */ BOOL WINAPI SetUrlCacheEntryGroupA(LPCSTR lpszUrlName, DWORD dwFlags, GROUPID GroupId, LPBYTE pbGroupAttributes, DWORD cbGroupAttributes, LPVOID lpReserved) { FIXME("(%s, 0x%08x, 0x%08x%08x, %p, 0x%08x, %p) stub\n", debugstr_a(lpszUrlName), dwFlags, (ULONG)(GroupId >> 32), (ULONG)GroupId, pbGroupAttributes, cbGroupAttributes, lpReserved); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } /*********************************************************************** * SetUrlCacheEntryGroupW (WININET.@) * */ BOOL WINAPI SetUrlCacheEntryGroupW(LPCWSTR lpszUrlName, DWORD dwFlags, GROUPID GroupId, LPBYTE pbGroupAttributes, DWORD cbGroupAttributes, LPVOID lpReserved) { FIXME("(%s, 0x%08x, 0x%08x%08x, %p, 0x%08x, %p) stub\n", debugstr_w(lpszUrlName), dwFlags, (ULONG)(GroupId >> 32), (ULONG)GroupId, pbGroupAttributes, cbGroupAttributes, lpReserved); SetLastError(ERROR_FILE_NOT_FOUND); return FALSE; } /*********************************************************************** * GetUrlCacheConfigInfoW (WININET.@) */ BOOL WINAPI GetUrlCacheConfigInfoW(LPINTERNET_CACHE_CONFIG_INFOW CacheInfo, LPDWORD size, DWORD bitmask) { FIXME("(%p, %p, %x)\n", CacheInfo, size, bitmask); INTERNET_SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } /*********************************************************************** * GetUrlCacheConfigInfoA (WININET.@) */ BOOL WINAPI GetUrlCacheConfigInfoA(LPINTERNET_CACHE_CONFIG_INFOA CacheInfo, LPDWORD size, DWORD bitmask) { FIXME("(%p, %p, %x)\n", CacheInfo, size, bitmask); INTERNET_SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } BOOL WINAPI GetUrlCacheGroupAttributeA( GROUPID gid, DWORD dwFlags, DWORD dwAttributes, LPINTERNET_CACHE_GROUP_INFOA lpGroupInfo, LPDWORD lpdwGroupInfo, LPVOID lpReserved ) { FIXME("(0x%08x%08x, 0x%08x, 0x%08x, %p, %p, %p) stub\n", (ULONG)(gid >> 32), (ULONG)gid, dwFlags, dwAttributes, lpGroupInfo, lpdwGroupInfo, lpReserved); return FALSE; } BOOL WINAPI GetUrlCacheGroupAttributeW( GROUPID gid, DWORD dwFlags, DWORD dwAttributes, LPINTERNET_CACHE_GROUP_INFOW lpGroupInfo, LPDWORD lpdwGroupInfo, LPVOID lpReserved ) { FIXME("(0x%08x%08x, 0x%08x, 0x%08x, %p, %p, %p) stub\n", (ULONG)(gid >> 32), (ULONG)gid, dwFlags, dwAttributes, lpGroupInfo, lpdwGroupInfo, lpReserved); return FALSE; } BOOL WINAPI SetUrlCacheGroupAttributeA( GROUPID gid, DWORD dwFlags, DWORD dwAttributes, LPINTERNET_CACHE_GROUP_INFOA lpGroupInfo, LPVOID lpReserved ) { FIXME("(0x%08x%08x, 0x%08x, 0x%08x, %p, %p) stub\n", (ULONG)(gid >> 32), (ULONG)gid, dwFlags, dwAttributes, lpGroupInfo, lpReserved); return TRUE; } BOOL WINAPI SetUrlCacheGroupAttributeW( GROUPID gid, DWORD dwFlags, DWORD dwAttributes, LPINTERNET_CACHE_GROUP_INFOW lpGroupInfo, LPVOID lpReserved ) { FIXME("(0x%08x%08x, 0x%08x, 0x%08x, %p, %p) stub\n", (ULONG)(gid >> 32), (ULONG)gid, dwFlags, dwAttributes, lpGroupInfo, lpReserved); return TRUE; } BOOL WINAPI SetUrlCacheConfigInfoA( LPINTERNET_CACHE_CONFIG_INFOA lpCacheConfigInfo, DWORD dwFieldControl ) { FIXME("(%p, 0x%08x) stub\n", lpCacheConfigInfo, dwFieldControl); return TRUE; } BOOL WINAPI SetUrlCacheConfigInfoW( LPINTERNET_CACHE_CONFIG_INFOW lpCacheConfigInfo, DWORD dwFieldControl ) { FIXME("(%p, 0x%08x) stub\n", lpCacheConfigInfo, dwFieldControl); return TRUE; } /*********************************************************************** * DeleteIE3Cache (WININET.@) * * Deletes the files used by the IE3 URL caching system. * * PARAMS * hWnd [I] A dummy window. * hInst [I] Instance of process calling the function. * lpszCmdLine [I] Options used by function. * nCmdShow [I] The nCmdShow value to use when showing windows created, if any. */ DWORD WINAPI DeleteIE3Cache(HWND hWnd, HINSTANCE hInst, LPSTR lpszCmdLine, int nCmdShow) { FIXME("(%p, %p, %s, %d)\n", hWnd, hInst, debugstr_a(lpszCmdLine), nCmdShow); return 0; } static BOOL IsUrlCacheEntryExpiredInternal(const URL_CACHEFILE_ENTRY *pUrlEntry, FILETIME *pftLastModified) { BOOL ret; FILETIME now, expired; *pftLastModified = pUrlEntry->LastModifiedTime; GetSystemTimeAsFileTime(&now); URLCache_DosDateTimeToFileTime(pUrlEntry->wExpiredDate, pUrlEntry->wExpiredTime, &expired); /* If the expired time is 0, it's interpreted as not expired */ if (!expired.dwLowDateTime && !expired.dwHighDateTime) ret = FALSE; else ret = CompareFileTime(&expired, &now) < 0; return ret; } /*********************************************************************** * IsUrlCacheEntryExpiredA (WININET.@) * * PARAMS * url [I] Url * dwFlags [I] Unknown * pftLastModified [O] Last modified time */ BOOL WINAPI IsUrlCacheEntryExpiredA( LPCSTR url, DWORD dwFlags, FILETIME* pftLastModified ) { LPURLCACHE_HEADER pHeader; struct _HASH_ENTRY * pHashEntry; const CACHEFILE_ENTRY * pEntry; const URL_CACHEFILE_ENTRY * pUrlEntry; URLCACHECONTAINER * pContainer; BOOL expired; TRACE("(%s, %08x, %p)\n", debugstr_a(url), dwFlags, pftLastModified); if (!url || !pftLastModified) return TRUE; if (dwFlags) FIXME("unknown flags 0x%08x\n", dwFlags); /* Any error implies that the URL is expired, i.e. not in the cache */ if (URLCacheContainers_FindContainerA(url, &pContainer)) { memset(pftLastModified, 0, sizeof(*pftLastModified)); return TRUE; } if (URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO)) { memset(pftLastModified, 0, sizeof(*pftLastModified)); return TRUE; } if (!(pHeader = URLCacheContainer_LockIndex(pContainer))) { memset(pftLastModified, 0, sizeof(*pftLastModified)); return TRUE; } if (!URLCache_FindHash(pHeader, url, &pHashEntry)) { URLCacheContainer_UnlockIndex(pContainer, pHeader); memset(pftLastModified, 0, sizeof(*pftLastModified)); TRACE("entry %s not found!\n", url); return TRUE; } pEntry = (const CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry); if (pEntry->dwSignature != URL_SIGNATURE) { URLCacheContainer_UnlockIndex(pContainer, pHeader); memset(pftLastModified, 0, sizeof(*pftLastModified)); FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPCSTR)&pEntry->dwSignature, sizeof(DWORD))); return TRUE; } pUrlEntry = (const URL_CACHEFILE_ENTRY *)pEntry; expired = IsUrlCacheEntryExpiredInternal(pUrlEntry, pftLastModified); URLCacheContainer_UnlockIndex(pContainer, pHeader); return expired; } /*********************************************************************** * IsUrlCacheEntryExpiredW (WININET.@) * * PARAMS * url [I] Url * dwFlags [I] Unknown * pftLastModified [O] Last modified time */ BOOL WINAPI IsUrlCacheEntryExpiredW( LPCWSTR url, DWORD dwFlags, FILETIME* pftLastModified ) { LPURLCACHE_HEADER pHeader; struct _HASH_ENTRY * pHashEntry; const CACHEFILE_ENTRY * pEntry; const URL_CACHEFILE_ENTRY * pUrlEntry; URLCACHECONTAINER * pContainer; BOOL expired; TRACE("(%s, %08x, %p)\n", debugstr_w(url), dwFlags, pftLastModified); if (!url || !pftLastModified) return TRUE; if (dwFlags) FIXME("unknown flags 0x%08x\n", dwFlags); /* Any error implies that the URL is expired, i.e. not in the cache */ if (URLCacheContainers_FindContainerW(url, &pContainer)) { memset(pftLastModified, 0, sizeof(*pftLastModified)); return TRUE; } if (URLCacheContainer_OpenIndex(pContainer, MIN_BLOCK_NO)) { memset(pftLastModified, 0, sizeof(*pftLastModified)); return TRUE; } if (!(pHeader = URLCacheContainer_LockIndex(pContainer))) { memset(pftLastModified, 0, sizeof(*pftLastModified)); return TRUE; } if (!URLCache_FindHashW(pHeader, url, &pHashEntry)) { URLCacheContainer_UnlockIndex(pContainer, pHeader); memset(pftLastModified, 0, sizeof(*pftLastModified)); TRACE("entry %s not found!\n", debugstr_w(url)); return TRUE; } if (!URLCache_FindHashW(pHeader, url, &pHashEntry)) { URLCacheContainer_UnlockIndex(pContainer, pHeader); memset(pftLastModified, 0, sizeof(*pftLastModified)); TRACE("entry %s not found!\n", debugstr_w(url)); return TRUE; } pEntry = (const CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry); if (pEntry->dwSignature != URL_SIGNATURE) { URLCacheContainer_UnlockIndex(pContainer, pHeader); memset(pftLastModified, 0, sizeof(*pftLastModified)); FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPCSTR)&pEntry->dwSignature, sizeof(DWORD))); return TRUE; } pUrlEntry = (const URL_CACHEFILE_ENTRY *)pEntry; expired = IsUrlCacheEntryExpiredInternal(pUrlEntry, pftLastModified); URLCacheContainer_UnlockIndex(pContainer, pHeader); return expired; } /*********************************************************************** * GetDiskInfoA (WININET.@) */ BOOL WINAPI GetDiskInfoA(PCSTR path, PDWORD cluster_size, PDWORDLONG free, PDWORDLONG total) { BOOL ret; ULARGE_INTEGER bytes_free, bytes_total; TRACE("(%s, %p, %p, %p)\n", debugstr_a(path), cluster_size, free, total); if (!path) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } if ((ret = GetDiskFreeSpaceExA(path, NULL, &bytes_total, &bytes_free))) { if (cluster_size) *cluster_size = 1; if (free) *free = bytes_free.QuadPart; if (total) *total = bytes_total.QuadPart; } return ret; } /*********************************************************************** * RegisterUrlCacheNotification (WININET.@) */ DWORD WINAPI RegisterUrlCacheNotification(LPVOID a, DWORD b, DWORD c, DWORD d, DWORD e, DWORD f) { FIXME("(%p %x %x %x %x %x)\n", a, b, c, d, e, f); return 0; } /*********************************************************************** * IncrementUrlCacheHeaderData (WININET.@) */ BOOL WINAPI IncrementUrlCacheHeaderData(DWORD index, LPDWORD data) { FIXME("(%u, %p)\n", index, data); return FALSE; } /*********************************************************************** * RunOnceUrlCache (WININET.@) */ DWORD WINAPI RunOnceUrlCache(HWND hwnd, HINSTANCE hinst, LPSTR cmd, int cmdshow) { FIXME("(%p, %p, %s, %d): stub\n", hwnd, hinst, debugstr_a(cmd), cmdshow); return 0; } BOOL init_urlcache(void) { dll_unload_event = CreateEventW(NULL, FALSE, FALSE, NULL); if(!dll_unload_event) return FALSE; free_cache_running = CreateSemaphoreW(NULL, 1, 1, NULL); if(!free_cache_running) { CloseHandle(dll_unload_event); return FALSE; } URLCacheContainers_CreateDefaults(); return TRUE; } void free_urlcache(void) { SetEvent(dll_unload_event); WaitForSingleObject(free_cache_running, INFINITE); ReleaseSemaphore(free_cache_running, 1, NULL); CloseHandle(free_cache_running); CloseHandle(dll_unload_event); URLCacheContainers_DeleteAll(); } /*********************************************************************** * LoadUrlCacheContent (WININET.@) */ BOOL WINAPI LoadUrlCacheContent(void) { FIXME("stub!\n"); return FALSE; }