2 * Wininet - Url Cache functions
4 * Copyright 2001,2002 CodeWeavers
5 * Copyright 2003-2008 Robert Shearman
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
26 #include "wine/port.h"
28 #define NONAMELESSUNION
29 #define NONAMELESSSTRUCT
31 #if defined(__MINGW32__) || defined (_MSC_VER)
39 #include <sys/types.h>
40 #ifdef HAVE_SYS_SOCKET_H
41 # include <sys/socket.h>
56 #include "wine/unicode.h"
57 #include "wine/debug.h"
59 WINE_DEFAULT_DEBUG_CHANNEL(wininet);
61 #define ENTRY_START_OFFSET 0x4000
64 #define HASHTABLE_SIZE 448
65 #define HASHTABLE_BLOCKSIZE 7
66 #define HASHTABLE_FREE 3
67 #define ALLOCATION_TABLE_OFFSET 0x250
68 #define ALLOCATION_TABLE_SIZE (0x1000 - ALLOCATION_TABLE_OFFSET)
69 #define HASHTABLE_NUM_ENTRIES (HASHTABLE_SIZE / HASHTABLE_BLOCKSIZE)
70 #define NEWFILE_NUM_BLOCKS 0xd80
71 #define NEWFILE_SIZE (NEWFILE_NUM_BLOCKS * BLOCKSIZE + ENTRY_START_OFFSET)
73 #define DWORD_SIG(a,b,c,d) (a | (b << 8) | (c << 16) | (d << 24))
74 #define URL_SIGNATURE DWORD_SIG('U','R','L',' ')
75 #define REDR_SIGNATURE DWORD_SIG('R','E','D','R')
76 #define LEAK_SIGNATURE DWORD_SIG('L','E','A','K')
77 #define HASH_SIGNATURE DWORD_SIG('H','A','S','H')
79 #define DWORD_ALIGN(x) ( (DWORD)(((DWORD)(x)+sizeof(DWORD)-1)/sizeof(DWORD))*sizeof(DWORD) )
81 typedef struct _CACHEFILE_ENTRY
85 DWORD dwSignature; /* e.g. "URL " */
86 /* CHAR szSignature[4];
88 DWORD dwBlocksUsed; /* number of 128byte blocks used by this entry */
91 typedef struct _URL_CACHEFILE_ENTRY
93 CACHEFILE_ENTRY CacheFileEntry;
94 FILETIME LastModifiedTime;
95 FILETIME LastAccessTime;
96 WORD wExpiredDate; /* expire date in dos format */
97 WORD wExpiredTime; /* expire time in dos format */
98 DWORD dwUnknown1; /* usually zero */
99 DWORD dwSizeLow; /* see INTERNET_CACHE_ENTRY_INFO::dwSizeLow */
100 DWORD dwSizeHigh; /* see INTERNET_CACHE_ENTRY_INFO::dwSizeHigh */
101 DWORD dwUnknown2; /* usually zero */
102 DWORD dwExemptDelta; /* see INTERNET_CACHE_ENTRY_INFO::dwExemptDelta */
103 DWORD dwUnknown3; /* usually 0x60 */
104 DWORD dwOffsetUrl; /* offset of start of url from start of entry */
105 BYTE CacheDir; /* index of cache directory this url is stored in */
106 BYTE Unknown4; /* usually zero */
107 WORD wUnknown5; /* usually 0x1010 */
108 DWORD dwOffsetLocalName; /* offset of start of local filename from start of entry */
109 DWORD CacheEntryType; /* see INTERNET_CACHE_ENTRY_INFO::CacheEntryType */
110 DWORD dwOffsetHeaderInfo; /* offset of start of header info from start of entry */
111 DWORD dwHeaderInfoSize;
112 DWORD dwOffsetFileExtension; /* offset of start of file extension from start of entry */
113 WORD wLastSyncDate; /* last sync date in dos format */
114 WORD wLastSyncTime; /* last sync time in dos format */
115 DWORD dwHitRate; /* see INTERNET_CACHE_ENTRY_INFO::dwHitRate */
116 DWORD dwUseCount; /* see INTERNET_CACHE_ENTRY_INFO::dwUseCount */
117 WORD wUnknownDate; /* usually same as wLastSyncDate */
118 WORD wUnknownTime; /* usually same as wLastSyncTime */
119 DWORD dwUnknown7; /* usually zero */
120 DWORD dwUnknown8; /* usually zero */
121 /* packing to dword align start of next field */
122 /* CHAR szSourceUrlName[]; (url) */
123 /* packing to dword align start of next field */
124 /* CHAR szLocalFileName[]; (local file name excluding path) */
125 /* packing to dword align start of next field */
126 /* CHAR szHeaderInfo[]; (header info) */
127 } URL_CACHEFILE_ENTRY;
135 typedef struct _HASH_CACHEFILE_ENTRY
137 CACHEFILE_ENTRY CacheFileEntry;
139 DWORD dwHashTableNumber;
140 struct _HASH_ENTRY HashTable[HASHTABLE_SIZE];
141 } HASH_CACHEFILE_ENTRY;
143 typedef struct _DIRECTORY_DATA
146 char filename[DIR_LENGTH];
149 typedef struct _URLCACHE_HEADER
151 char szSignature[28];
153 DWORD dwOffsetFirstHashTable;
154 DWORD dwIndexCapacityInBlocks;
157 DWORD dwCacheLimitLow; /* disk space limit for cache */
158 DWORD dwCacheLimitHigh; /* disk space limit for cache */
159 DWORD dwUnknown4; /* current disk space usage for cache */
160 DWORD dwUnknown5; /* current disk space usage for cache */
161 DWORD dwUnknown6; /* possibly a flag? */
163 BYTE DirectoryCount; /* number of directory_data's */
164 BYTE Unknown8[3]; /* just padding? */
165 DIRECTORY_DATA directory_data[1]; /* first directory entry */
166 } URLCACHE_HEADER, *LPURLCACHE_HEADER;
167 typedef const URLCACHE_HEADER *LPCURLCACHE_HEADER;
169 typedef struct _STREAM_HANDLE
175 typedef struct _URLCACHECONTAINER
177 struct list entry; /* part of a list */
178 LPWSTR cache_prefix; /* string that has to be prefixed for this container to be used */
179 LPWSTR path; /* path to url container directory */
180 HANDLE hMapping; /* handle of file mapping */
181 DWORD file_size; /* size of file when mapping was opened */
182 HANDLE hMutex; /* handle of mutex */
186 /* List of all containers available */
187 static struct list UrlContainers = LIST_INIT(UrlContainers);
189 static DWORD URLCache_CreateHashTable(LPURLCACHE_HEADER pHeader, HASH_CACHEFILE_ENTRY *pPrevHash, HASH_CACHEFILE_ENTRY **ppHash);
191 /***********************************************************************
192 * URLCache_PathToObjectName (Internal)
194 * Converts a path to a name suitable for use as a Win32 object name.
195 * Replaces '\\' characters in-place with the specified character
196 * (usually '_' or '!')
202 static void URLCache_PathToObjectName(LPWSTR lpszPath, WCHAR replace)
204 for (; *lpszPath; lpszPath++)
206 if (*lpszPath == '\\')
211 /***********************************************************************
212 * URLCacheContainer_OpenIndex (Internal)
214 * Opens the index file and saves mapping handle in hCacheIndexMapping
217 * ERROR_SUCCESS if succeeded
218 * Any other Win32 error code if failed
221 static DWORD URLCacheContainer_OpenIndex(URLCACHECONTAINER * pContainer)
224 WCHAR wszFilePath[MAX_PATH];
227 static const WCHAR wszIndex[] = {'i','n','d','e','x','.','d','a','t',0};
228 static const WCHAR wszMappingFormat[] = {'%','s','%','s','_','%','l','u',0};
230 if (pContainer->hMapping)
231 return ERROR_SUCCESS;
233 strcpyW(wszFilePath, pContainer->path);
234 strcatW(wszFilePath, wszIndex);
236 hFile = CreateFileW(wszFilePath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, 0, NULL);
237 if (hFile == INVALID_HANDLE_VALUE)
239 /* Maybe the directory wasn't there? Try to create it */
240 if (CreateDirectoryW(pContainer->path, 0))
241 hFile = CreateFileW(wszFilePath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, 0, NULL);
243 if (hFile == INVALID_HANDLE_VALUE)
245 TRACE("Could not open or create cache index file \"%s\"\n", debugstr_w(wszFilePath));
246 return GetLastError();
249 /* At this stage we need the mutex because we may be about to create the
252 WaitForSingleObject(pContainer->hMutex, INFINITE);
254 dwFileSize = GetFileSize(hFile, NULL);
255 if (dwFileSize == INVALID_FILE_SIZE)
257 ReleaseMutex(pContainer->hMutex);
258 return GetLastError();
263 static const CHAR szCacheContent[] = "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Cache\\Content";
265 char achZeroes[0x1000];
267 DWORD dwError = ERROR_SUCCESS;
269 /* Write zeroes to the entire file so we can safely map it without
270 * fear of getting a SEGV because the disk is full.
272 memset(achZeroes, 0, sizeof(achZeroes));
273 for (dwOffset = 0; dwOffset < NEWFILE_SIZE; dwOffset += sizeof(achZeroes))
275 DWORD dwWrite = sizeof(achZeroes);
278 if (NEWFILE_SIZE - dwOffset < dwWrite)
279 dwWrite = NEWFILE_SIZE - dwOffset;
280 if (!WriteFile(hFile, achZeroes, dwWrite, &dwWritten, 0) ||
281 dwWritten != dwWrite)
283 /* If we fail to write, we need to return the error that
284 * cause the problem and also make sure the file is no
285 * longer there, if possible.
287 dwError = GetLastError();
293 if (dwError == ERROR_SUCCESS)
295 HANDLE hMapping = CreateFileMappingW(hFile, NULL, PAGE_READWRITE, 0, NEWFILE_SIZE, NULL);
299 URLCACHE_HEADER *pHeader = MapViewOfFile(hMapping, FILE_MAP_WRITE, 0, 0, NEWFILE_SIZE);
304 WCHAR wszDirPath[MAX_PATH];
307 HASH_CACHEFILE_ENTRY *pHashEntry;
309 dwFileSize = NEWFILE_SIZE;
311 /* First set some constants and defaults in the header */
312 strcpy(pHeader->szSignature, "WINE URLCache Ver 0.2005001");
313 pHeader->dwFileSize = dwFileSize;
314 pHeader->dwIndexCapacityInBlocks = NEWFILE_NUM_BLOCKS;
315 /* 127MB - taken from default for Windows 2000 */
316 pHeader->dwCacheLimitHigh = 0;
317 pHeader->dwCacheLimitLow = 0x07ff5400;
318 /* Copied from a Windows 2000 cache index */
319 pHeader->DirectoryCount = 4;
321 /* If the registry has a cache size set, use the registry value */
322 if (RegOpenKeyA(HKEY_CURRENT_USER, szCacheContent, &key) == ERROR_SUCCESS)
325 DWORD len = sizeof(dw);
328 if (RegQueryValueExA(key, "CacheLimit", NULL, &keytype,
329 (BYTE *) &dw, &len) == ERROR_SUCCESS &&
330 keytype == REG_DWORD)
332 pHeader->dwCacheLimitHigh = (dw >> 22);
333 pHeader->dwCacheLimitLow = dw << 10;
338 URLCache_CreateHashTable(pHeader, NULL, &pHashEntry);
340 /* Last step - create the directories */
342 strcpyW(wszDirPath, pContainer->path);
343 pwchDir = wszDirPath + strlenW(wszDirPath);
346 GetSystemTimeAsFileTime(&ft);
348 for (i = 0; !dwError && i < pHeader->DirectoryCount; ++i)
350 /* The following values were copied from a Windows index.
351 * I don't know what the values are supposed to mean but
352 * have made them the same in the hope that this will
353 * be better for compatibility
355 pHeader->directory_data[i].dwUnknown = (i > 1) ? 0xfe : 0xff;
359 ULONGLONG n = ft.dwHighDateTime;
361 /* Generate a file name to attempt to create.
362 * This algorithm will create what will appear
363 * to be random and unrelated directory names
364 * of up to 9 characters in length.
367 n += ft.dwLowDateTime;
368 n ^= ((ULONGLONG) i << 56) | ((ULONGLONG) j << 48);
370 for (k = 0; k < 8; ++k)
374 /* Dividing by a prime greater than 36 helps
375 * with the appearance of randomness
380 pwchDir[k] = '0' + r;
382 pwchDir[k] = 'A' + (r - 10);
385 if (CreateDirectoryW(wszDirPath, 0))
387 /* The following is OK because we generated an
388 * 8 character directory name made from characters
389 * [A-Z0-9], which are equivalent for all code
390 * pages and for UTF-16
392 for (k = 0; k < 8; ++k)
393 pHeader->directory_data[i].filename[k] = pwchDir[k];
398 /* Give up. The most likely cause of this
399 * is a full disk, but whatever the cause
400 * is, it should be more than apparent that
403 dwError = GetLastError();
409 UnmapViewOfFile(pHeader);
413 dwError = GetLastError();
415 CloseHandle(hMapping);
419 dwError = GetLastError();
426 DeleteFileW(wszFilePath);
427 ReleaseMutex(pContainer->hMutex);
433 ReleaseMutex(pContainer->hMutex);
435 wsprintfW(wszFilePath, wszMappingFormat, pContainer->path, wszIndex, dwFileSize);
436 URLCache_PathToObjectName(wszFilePath, '_');
437 pContainer->hMapping = OpenFileMappingW(FILE_MAP_WRITE, FALSE, wszFilePath);
438 if (!pContainer->hMapping)
439 pContainer->hMapping = CreateFileMappingW(hFile, NULL, PAGE_READWRITE, 0, 0, wszFilePath);
441 if (!pContainer->hMapping)
443 ERR("Couldn't create file mapping (error is %d)\n", GetLastError());
444 return GetLastError();
447 return ERROR_SUCCESS;
450 /***********************************************************************
451 * URLCacheContainer_CloseIndex (Internal)
459 static void URLCacheContainer_CloseIndex(URLCACHECONTAINER * pContainer)
461 CloseHandle(pContainer->hMapping);
462 pContainer->hMapping = NULL;
465 static BOOL URLCacheContainers_AddContainer(LPCWSTR cache_prefix, LPCWSTR path, LPWSTR mutex_name)
467 URLCACHECONTAINER * pContainer = HeapAlloc(GetProcessHeap(), 0, sizeof(URLCACHECONTAINER));
468 int path_len = strlenW(path);
469 int cache_prefix_len = strlenW(cache_prefix);
476 pContainer->hMapping = NULL;
477 pContainer->file_size = 0;
479 pContainer->path = HeapAlloc(GetProcessHeap(), 0, (path_len + 1) * sizeof(WCHAR));
480 if (!pContainer->path)
482 HeapFree(GetProcessHeap(), 0, pContainer);
486 memcpy(pContainer->path, path, (path_len + 1) * sizeof(WCHAR));
488 pContainer->cache_prefix = HeapAlloc(GetProcessHeap(), 0, (cache_prefix_len + 1) * sizeof(WCHAR));
489 if (!pContainer->cache_prefix)
491 HeapFree(GetProcessHeap(), 0, pContainer->path);
492 HeapFree(GetProcessHeap(), 0, pContainer);
496 memcpy(pContainer->cache_prefix, cache_prefix, (cache_prefix_len + 1) * sizeof(WCHAR));
498 CharLowerW(mutex_name);
499 URLCache_PathToObjectName(mutex_name, '!');
501 if ((pContainer->hMutex = CreateMutexW(NULL, FALSE, mutex_name)) == NULL)
503 ERR("couldn't create mutex (error is %d)\n", GetLastError());
504 HeapFree(GetProcessHeap(), 0, pContainer->path);
505 HeapFree(GetProcessHeap(), 0, pContainer);
509 list_add_head(&UrlContainers, &pContainer->entry);
514 static void URLCacheContainer_DeleteContainer(URLCACHECONTAINER * pContainer)
516 list_remove(&pContainer->entry);
518 URLCacheContainer_CloseIndex(pContainer);
519 CloseHandle(pContainer->hMutex);
520 HeapFree(GetProcessHeap(), 0, pContainer->path);
521 HeapFree(GetProcessHeap(), 0, pContainer->cache_prefix);
522 HeapFree(GetProcessHeap(), 0, pContainer);
525 void URLCacheContainers_CreateDefaults(void)
527 static const WCHAR UrlSuffix[] = {'C','o','n','t','e','n','t','.','I','E','5',0};
528 static const WCHAR UrlPrefix[] = {0};
529 static const WCHAR HistorySuffix[] = {'H','i','s','t','o','r','y','.','I','E','5',0};
530 static const WCHAR HistoryPrefix[] = {'V','i','s','i','t','e','d',':',0};
531 static const WCHAR CookieSuffix[] = {0};
532 static const WCHAR CookiePrefix[] = {'C','o','o','k','i','e',':',0};
535 int nFolder; /* CSIDL_* constant */
536 const WCHAR * shpath_suffix; /* suffix on path returned by SHGetSpecialFolderPath */
537 const WCHAR * cache_prefix; /* prefix used to reference the container */
538 } DefaultContainerData[] =
540 { CSIDL_INTERNET_CACHE, UrlSuffix, UrlPrefix },
541 { CSIDL_HISTORY, HistorySuffix, HistoryPrefix },
542 { CSIDL_COOKIES, CookieSuffix, CookiePrefix },
546 for (i = 0; i < sizeof(DefaultContainerData) / sizeof(DefaultContainerData[0]); i++)
548 WCHAR wszCachePath[MAX_PATH];
549 WCHAR wszMutexName[MAX_PATH];
550 int path_len, suffix_len;
552 if (!SHGetSpecialFolderPathW(NULL, wszCachePath, DefaultContainerData[i].nFolder, TRUE))
554 ERR("Couldn't get path for default container %u\n", i);
557 path_len = strlenW(wszCachePath);
558 suffix_len = strlenW(DefaultContainerData[i].shpath_suffix);
560 if (path_len + suffix_len + 2 > MAX_PATH)
562 ERR("Path too long\n");
566 wszCachePath[path_len] = '\\';
567 wszCachePath[path_len+1] = 0;
569 strcpyW(wszMutexName, wszCachePath);
573 memcpy(wszCachePath + path_len + 1, DefaultContainerData[i].shpath_suffix, (suffix_len + 1) * sizeof(WCHAR));
574 wszCachePath[path_len + suffix_len + 1] = '\\';
575 wszCachePath[path_len + suffix_len + 2] = '\0';
578 URLCacheContainers_AddContainer(DefaultContainerData[i].cache_prefix, wszCachePath, wszMutexName);
582 void URLCacheContainers_DeleteAll(void)
584 while(!list_empty(&UrlContainers))
585 URLCacheContainer_DeleteContainer(
586 LIST_ENTRY(list_head(&UrlContainers), URLCACHECONTAINER, entry)
590 static DWORD URLCacheContainers_FindContainerW(LPCWSTR lpwszUrl, URLCACHECONTAINER ** ppContainer)
592 URLCACHECONTAINER * pContainer;
594 TRACE("searching for prefix for URL: %s\n", debugstr_w(lpwszUrl));
596 LIST_FOR_EACH_ENTRY(pContainer, &UrlContainers, URLCACHECONTAINER, entry)
598 int prefix_len = strlenW(pContainer->cache_prefix);
599 if (!strncmpW(pContainer->cache_prefix, lpwszUrl, prefix_len))
601 TRACE("found container with prefix %s for URL %s\n", debugstr_w(pContainer->cache_prefix), debugstr_w(lpwszUrl));
602 *ppContainer = pContainer;
603 return ERROR_SUCCESS;
606 ERR("no container found\n");
607 return ERROR_FILE_NOT_FOUND;
610 static DWORD URLCacheContainers_FindContainerA(LPCSTR lpszUrl, URLCACHECONTAINER ** ppContainer)
614 int url_len = MultiByteToWideChar(CP_ACP, 0, lpszUrl, -1, NULL, 0);
615 if (url_len && (lpwszUrl = HeapAlloc(GetProcessHeap(), 0, url_len * sizeof(WCHAR))))
617 MultiByteToWideChar(CP_ACP, 0, lpszUrl, -1, lpwszUrl, url_len);
618 ret = URLCacheContainers_FindContainerW(lpwszUrl, ppContainer);
619 HeapFree(GetProcessHeap(), 0, lpwszUrl);
622 return GetLastError();
625 static BOOL URLCacheContainers_Enum(LPCWSTR lpwszSearchPattern, DWORD dwIndex, URLCACHECONTAINER ** ppContainer)
628 URLCACHECONTAINER * pContainer;
630 TRACE("searching for prefix: %s\n", debugstr_w(lpwszSearchPattern));
632 /* non-NULL search pattern only returns one container ever */
633 if (lpwszSearchPattern && dwIndex > 0)
636 LIST_FOR_EACH_ENTRY(pContainer, &UrlContainers, URLCACHECONTAINER, entry)
638 if (lpwszSearchPattern)
640 if (!strcmpW(pContainer->cache_prefix, lpwszSearchPattern))
642 TRACE("found container with prefix %s\n", debugstr_w(pContainer->cache_prefix));
643 *ppContainer = pContainer;
651 TRACE("found container with prefix %s\n", debugstr_w(pContainer->cache_prefix));
652 *ppContainer = pContainer;
661 /***********************************************************************
662 * URLCacheContainer_LockIndex (Internal)
664 * Locks the index for system-wide exclusive access.
667 * Cache file header if successful
668 * NULL if failed and calls SetLastError.
670 static LPURLCACHE_HEADER URLCacheContainer_LockIndex(URLCACHECONTAINER * pContainer)
674 URLCACHE_HEADER * pHeader;
678 WaitForSingleObject(pContainer->hMutex, INFINITE);
680 pIndexData = MapViewOfFile(pContainer->hMapping, FILE_MAP_WRITE, 0, 0, 0);
684 ReleaseMutex(pContainer->hMutex);
685 ERR("Couldn't MapViewOfFile. Error: %d\n", GetLastError());
688 pHeader = (URLCACHE_HEADER *)pIndexData;
690 /* file has grown - we need to remap to prevent us getting
691 * access violations when we try and access beyond the end
692 * of the memory mapped file */
693 if (pHeader->dwFileSize != pContainer->file_size)
695 URLCacheContainer_CloseIndex(pContainer);
696 error = URLCacheContainer_OpenIndex(pContainer);
697 if (error != ERROR_SUCCESS)
699 ReleaseMutex(pContainer->hMutex);
703 pIndexData = MapViewOfFile(pContainer->hMapping, FILE_MAP_WRITE, 0, 0, 0);
707 ReleaseMutex(pContainer->hMutex);
708 ERR("Couldn't MapViewOfFile. Error: %d\n", GetLastError());
711 pHeader = (URLCACHE_HEADER *)pIndexData;
714 TRACE("Signature: %s, file size: %d bytes\n", pHeader->szSignature, pHeader->dwFileSize);
716 for (index = 0; index < pHeader->DirectoryCount; index++)
718 TRACE("Directory[%d] = \"%.8s\"\n", index, pHeader->directory_data[index].filename);
724 /***********************************************************************
725 * URLCacheContainer_UnlockIndex (Internal)
728 static BOOL URLCacheContainer_UnlockIndex(URLCACHECONTAINER * pContainer, LPURLCACHE_HEADER pHeader)
731 ReleaseMutex(pContainer->hMutex);
732 return UnmapViewOfFile(pHeader);
737 #define CHAR_BIT (8 * sizeof(CHAR))
740 /***********************************************************************
741 * URLCache_Allocation_BlockIsFree (Internal)
743 * Is the specified block number free?
750 static inline BYTE URLCache_Allocation_BlockIsFree(BYTE * AllocationTable, DWORD dwBlockNumber)
752 BYTE mask = 1 << (dwBlockNumber % CHAR_BIT);
753 return (AllocationTable[dwBlockNumber / CHAR_BIT] & mask) == 0;
756 /***********************************************************************
757 * URLCache_Allocation_BlockFree (Internal)
759 * Marks the specified block as free
765 static inline void URLCache_Allocation_BlockFree(BYTE * AllocationTable, DWORD dwBlockNumber)
767 BYTE mask = ~(1 << (dwBlockNumber % CHAR_BIT));
768 AllocationTable[dwBlockNumber / CHAR_BIT] &= mask;
771 /***********************************************************************
772 * URLCache_Allocation_BlockAllocate (Internal)
774 * Marks the specified block as allocated
780 static inline void URLCache_Allocation_BlockAllocate(BYTE * AllocationTable, DWORD dwBlockNumber)
782 BYTE mask = 1 << (dwBlockNumber % CHAR_BIT);
783 AllocationTable[dwBlockNumber / CHAR_BIT] |= mask;
786 /***********************************************************************
787 * URLCache_FindFirstFreeEntry (Internal)
789 * Finds and allocates the first block of free space big enough and
790 * sets ppEntry to point to it.
793 * TRUE if it had enough space
794 * FALSE if it couldn't find enough space
797 static BOOL URLCache_FindFirstFreeEntry(URLCACHE_HEADER * pHeader, DWORD dwBlocksNeeded, CACHEFILE_ENTRY ** ppEntry)
799 LPBYTE AllocationTable = (LPBYTE)pHeader + ALLOCATION_TABLE_OFFSET;
802 for (dwBlockNumber = 0; dwBlockNumber < pHeader->dwIndexCapacityInBlocks; dwBlockNumber++)
804 for (dwFreeCounter = 0;
805 dwFreeCounter < dwBlocksNeeded &&
806 dwFreeCounter + dwBlockNumber < pHeader->dwIndexCapacityInBlocks &&
807 URLCache_Allocation_BlockIsFree(AllocationTable, dwBlockNumber + dwFreeCounter);
809 TRACE("Found free block at no. %d (0x%x)\n", dwBlockNumber, ENTRY_START_OFFSET + dwBlockNumber * BLOCKSIZE);
811 if (dwFreeCounter == dwBlocksNeeded)
814 TRACE("Found free blocks starting at no. %d (0x%x)\n", dwBlockNumber, ENTRY_START_OFFSET + dwBlockNumber * BLOCKSIZE);
815 for (index = 0; index < dwBlocksNeeded; index++)
816 URLCache_Allocation_BlockAllocate(AllocationTable, dwBlockNumber + index);
817 *ppEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + ENTRY_START_OFFSET + dwBlockNumber * BLOCKSIZE);
818 (*ppEntry)->dwBlocksUsed = dwBlocksNeeded;
822 FIXME("Grow file\n");
826 /***********************************************************************
827 * URLCache_DeleteEntry (Internal)
829 * Deletes the specified entry and frees the space allocated to it
832 * TRUE if it succeeded
836 static BOOL URLCache_DeleteEntry(LPURLCACHE_HEADER pHeader, CACHEFILE_ENTRY * pEntry)
840 BYTE * AllocationTable = (LPBYTE)pHeader + ALLOCATION_TABLE_OFFSET;
842 /* update allocation table */
843 dwStartBlock = ((DWORD)((BYTE *)pEntry - (BYTE *)pHeader)) / BLOCKSIZE;
844 for (dwBlock = dwStartBlock; dwBlock < dwStartBlock + pEntry->dwBlocksUsed; dwBlock++)
845 URLCache_Allocation_BlockFree(AllocationTable, dwBlock);
847 ZeroMemory(pEntry, pEntry->dwBlocksUsed * BLOCKSIZE);
851 /***********************************************************************
852 * URLCache_LocalFileNameToPathW (Internal)
854 * Copies the full path to the specified buffer given the local file
855 * name and the index of the directory it is in. Always sets value in
856 * lpBufferSize to the required buffer size (in bytes).
859 * TRUE if the buffer was big enough
860 * FALSE if the buffer was too small
863 static BOOL URLCache_LocalFileNameToPathW(
864 const URLCACHECONTAINER * pContainer,
865 LPCURLCACHE_HEADER pHeader,
866 LPCSTR szLocalFileName,
872 int path_len = strlenW(pContainer->path);
873 int file_name_len = MultiByteToWideChar(CP_ACP, 0, szLocalFileName, -1, NULL, 0);
874 if (Directory >= pHeader->DirectoryCount)
880 nRequired = (path_len + DIR_LENGTH + file_name_len + 1) * sizeof(WCHAR);
881 if (nRequired < *lpBufferSize)
885 memcpy(wszPath, pContainer->path, path_len * sizeof(WCHAR));
886 dir_len = MultiByteToWideChar(CP_ACP, 0, pHeader->directory_data[Directory].filename, DIR_LENGTH, wszPath + path_len, DIR_LENGTH);
887 wszPath[dir_len + path_len] = '\\';
888 MultiByteToWideChar(CP_ACP, 0, szLocalFileName, -1, wszPath + dir_len + path_len + 1, file_name_len);
889 *lpBufferSize = nRequired;
892 *lpBufferSize = nRequired;
896 /***********************************************************************
897 * URLCache_LocalFileNameToPathA (Internal)
899 * Copies the full path to the specified buffer given the local file
900 * name and the index of the directory it is in. Always sets value in
901 * lpBufferSize to the required buffer size.
904 * TRUE if the buffer was big enough
905 * FALSE if the buffer was too small
908 static BOOL URLCache_LocalFileNameToPathA(
909 const URLCACHECONTAINER * pContainer,
910 LPCURLCACHE_HEADER pHeader,
911 LPCSTR szLocalFileName,
917 int path_len, file_name_len, dir_len;
919 if (Directory >= pHeader->DirectoryCount)
925 path_len = WideCharToMultiByte(CP_ACP, 0, pContainer->path, -1, NULL, 0, NULL, NULL) - 1;
926 file_name_len = strlen(szLocalFileName) + 1 /* for nul-terminator */;
927 dir_len = DIR_LENGTH;
929 nRequired = (path_len + dir_len + 1 + file_name_len) * sizeof(char);
930 if (nRequired < *lpBufferSize)
932 WideCharToMultiByte(CP_ACP, 0, pContainer->path, -1, szPath, path_len, NULL, NULL);
933 memcpy(szPath+path_len, pHeader->directory_data[Directory].filename, dir_len);
934 szPath[path_len + dir_len] = '\\';
935 memcpy(szPath + path_len + dir_len + 1, szLocalFileName, file_name_len);
936 *lpBufferSize = nRequired;
939 *lpBufferSize = nRequired;
943 /***********************************************************************
944 * URLCache_CopyEntry (Internal)
946 * Copies an entry from the cache index file to the Win32 structure
949 * ERROR_SUCCESS if the buffer was big enough
950 * ERROR_INSUFFICIENT_BUFFER if the buffer was too small
953 static DWORD URLCache_CopyEntry(
954 URLCACHECONTAINER * pContainer,
955 LPCURLCACHE_HEADER pHeader,
956 LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo,
957 LPDWORD lpdwBufferSize,
958 const URL_CACHEFILE_ENTRY * pUrlEntry,
962 DWORD dwRequiredSize = sizeof(*lpCacheEntryInfo);
964 if (*lpdwBufferSize >= dwRequiredSize)
966 lpCacheEntryInfo->lpHeaderInfo = NULL;
967 lpCacheEntryInfo->lpszFileExtension = NULL;
968 lpCacheEntryInfo->lpszLocalFileName = NULL;
969 lpCacheEntryInfo->lpszSourceUrlName = NULL;
970 lpCacheEntryInfo->CacheEntryType = pUrlEntry->CacheEntryType;
971 lpCacheEntryInfo->u.dwExemptDelta = pUrlEntry->dwExemptDelta;
972 lpCacheEntryInfo->dwHeaderInfoSize = pUrlEntry->dwHeaderInfoSize;
973 lpCacheEntryInfo->dwHitRate = pUrlEntry->dwHitRate;
974 lpCacheEntryInfo->dwSizeHigh = pUrlEntry->dwSizeHigh;
975 lpCacheEntryInfo->dwSizeLow = pUrlEntry->dwSizeLow;
976 lpCacheEntryInfo->dwStructSize = sizeof(*lpCacheEntryInfo);
977 lpCacheEntryInfo->dwUseCount = pUrlEntry->dwUseCount;
978 DosDateTimeToFileTime(pUrlEntry->wExpiredDate, pUrlEntry->wExpiredTime, &lpCacheEntryInfo->ExpireTime);
979 lpCacheEntryInfo->LastAccessTime.dwHighDateTime = pUrlEntry->LastAccessTime.dwHighDateTime;
980 lpCacheEntryInfo->LastAccessTime.dwLowDateTime = pUrlEntry->LastAccessTime.dwLowDateTime;
981 lpCacheEntryInfo->LastModifiedTime.dwHighDateTime = pUrlEntry->LastModifiedTime.dwHighDateTime;
982 lpCacheEntryInfo->LastModifiedTime.dwLowDateTime = pUrlEntry->LastModifiedTime.dwLowDateTime;
983 DosDateTimeToFileTime(pUrlEntry->wLastSyncDate, pUrlEntry->wLastSyncTime, &lpCacheEntryInfo->LastSyncTime);
986 if ((dwRequiredSize % 4) && (dwRequiredSize < *lpdwBufferSize))
987 ZeroMemory((LPBYTE)lpCacheEntryInfo + dwRequiredSize, 4 - (dwRequiredSize % 4));
988 dwRequiredSize = DWORD_ALIGN(dwRequiredSize);
990 lenUrl = MultiByteToWideChar(CP_ACP, 0, (LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl, -1, NULL, 0);
992 lenUrl = strlen((LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl);
993 dwRequiredSize += (lenUrl + 1) * (bUnicode ? sizeof(WCHAR) : sizeof(CHAR));
995 /* FIXME: is source url optional? */
996 if (*lpdwBufferSize >= dwRequiredSize)
998 lpCacheEntryInfo->lpszSourceUrlName = (LPSTR)lpCacheEntryInfo + dwRequiredSize - lenUrl - 1;
1000 MultiByteToWideChar(CP_ACP, 0, (LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl, -1, (LPWSTR)lpCacheEntryInfo->lpszSourceUrlName, lenUrl + 1);
1002 memcpy(lpCacheEntryInfo->lpszSourceUrlName, (LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl, (lenUrl + 1) * sizeof(CHAR));
1005 if ((dwRequiredSize % 4) && (dwRequiredSize < *lpdwBufferSize))
1006 ZeroMemory((LPBYTE)lpCacheEntryInfo + dwRequiredSize, 4 - (dwRequiredSize % 4));
1007 dwRequiredSize = DWORD_ALIGN(dwRequiredSize);
1009 if (pUrlEntry->dwOffsetLocalName)
1011 LONG nLocalFilePathSize;
1012 LPSTR lpszLocalFileName;
1013 lpszLocalFileName = (LPSTR)lpCacheEntryInfo + dwRequiredSize;
1014 nLocalFilePathSize = *lpdwBufferSize - dwRequiredSize;
1015 if ((bUnicode && URLCache_LocalFileNameToPathW(pContainer, pHeader, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName, pUrlEntry->CacheDir, (LPWSTR)lpszLocalFileName, &nLocalFilePathSize)) ||
1016 (!bUnicode && URLCache_LocalFileNameToPathA(pContainer, pHeader, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName, pUrlEntry->CacheDir, lpszLocalFileName, &nLocalFilePathSize)))
1018 lpCacheEntryInfo->lpszLocalFileName = lpszLocalFileName;
1020 dwRequiredSize += nLocalFilePathSize * (bUnicode ? sizeof(WCHAR) : sizeof(CHAR)) ;
1022 if ((dwRequiredSize % 4) && (dwRequiredSize < *lpdwBufferSize))
1023 ZeroMemory((LPBYTE)lpCacheEntryInfo + dwRequiredSize, 4 - (dwRequiredSize % 4));
1024 dwRequiredSize = DWORD_ALIGN(dwRequiredSize);
1026 dwRequiredSize += pUrlEntry->dwHeaderInfoSize + 1;
1028 if (*lpdwBufferSize >= dwRequiredSize)
1030 lpCacheEntryInfo->lpHeaderInfo = (LPBYTE)lpCacheEntryInfo + dwRequiredSize - pUrlEntry->dwHeaderInfoSize - 1;
1031 memcpy(lpCacheEntryInfo->lpHeaderInfo, (LPSTR)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo, pUrlEntry->dwHeaderInfoSize);
1032 ((LPBYTE)lpCacheEntryInfo)[dwRequiredSize - 1] = '\0';
1034 if ((dwRequiredSize % 4) && (dwRequiredSize < *lpdwBufferSize))
1035 ZeroMemory((LPBYTE)lpCacheEntryInfo + dwRequiredSize, 4 - (dwRequiredSize % 4));
1036 dwRequiredSize = DWORD_ALIGN(dwRequiredSize);
1038 if (pUrlEntry->dwOffsetFileExtension)
1043 lenExtension = MultiByteToWideChar(CP_ACP, 0, (LPSTR)pUrlEntry + pUrlEntry->dwOffsetFileExtension, -1, NULL, 0);
1045 lenExtension = strlen((LPSTR)pUrlEntry + pUrlEntry->dwOffsetFileExtension) + 1;
1046 dwRequiredSize += lenExtension * (bUnicode ? sizeof(WCHAR) : sizeof(CHAR));
1048 if (*lpdwBufferSize >= dwRequiredSize)
1050 lpCacheEntryInfo->lpszFileExtension = (LPSTR)lpCacheEntryInfo + dwRequiredSize - lenExtension;
1052 MultiByteToWideChar(CP_ACP, 0, (LPSTR)pUrlEntry + pUrlEntry->dwOffsetFileExtension, -1, (LPWSTR)lpCacheEntryInfo->lpszSourceUrlName, lenExtension);
1054 memcpy(lpCacheEntryInfo->lpszFileExtension, (LPSTR)pUrlEntry + pUrlEntry->dwOffsetFileExtension, lenExtension * sizeof(CHAR));
1057 if ((dwRequiredSize % 4) && (dwRequiredSize < *lpdwBufferSize))
1058 ZeroMemory((LPBYTE)lpCacheEntryInfo + dwRequiredSize, 4 - (dwRequiredSize % 4));
1059 dwRequiredSize = DWORD_ALIGN(dwRequiredSize);
1062 if (dwRequiredSize > *lpdwBufferSize)
1064 *lpdwBufferSize = dwRequiredSize;
1065 return ERROR_INSUFFICIENT_BUFFER;
1067 *lpdwBufferSize = dwRequiredSize;
1068 return ERROR_SUCCESS;
1072 /***********************************************************************
1073 * URLCache_SetEntryInfo (Internal)
1075 * Helper for SetUrlCacheEntryInfo{A,W}. Sets fields in URL entry
1076 * according to the flags set by dwFieldControl.
1079 * ERROR_SUCCESS if the buffer was big enough
1080 * ERROR_INSUFFICIENT_BUFFER if the buffer was too small
1083 static DWORD URLCache_SetEntryInfo(URL_CACHEFILE_ENTRY * pUrlEntry, const INTERNET_CACHE_ENTRY_INFOW * lpCacheEntryInfo, DWORD dwFieldControl)
1085 if (dwFieldControl & CACHE_ENTRY_ACCTIME_FC)
1086 pUrlEntry->LastAccessTime = lpCacheEntryInfo->LastAccessTime;
1087 if (dwFieldControl & CACHE_ENTRY_ATTRIBUTE_FC)
1088 pUrlEntry->CacheEntryType = lpCacheEntryInfo->CacheEntryType;
1089 if (dwFieldControl & CACHE_ENTRY_EXEMPT_DELTA_FC)
1090 pUrlEntry->dwExemptDelta = lpCacheEntryInfo->u.dwExemptDelta;
1091 if (dwFieldControl & CACHE_ENTRY_EXPTIME_FC)
1092 FIXME("CACHE_ENTRY_EXPTIME_FC unimplemented\n");
1093 if (dwFieldControl & CACHE_ENTRY_HEADERINFO_FC)
1094 FIXME("CACHE_ENTRY_HEADERINFO_FC unimplemented\n");
1095 if (dwFieldControl & CACHE_ENTRY_HITRATE_FC)
1096 pUrlEntry->dwHitRate = lpCacheEntryInfo->dwHitRate;
1097 if (dwFieldControl & CACHE_ENTRY_MODTIME_FC)
1098 pUrlEntry->LastModifiedTime = lpCacheEntryInfo->LastModifiedTime;
1099 if (dwFieldControl & CACHE_ENTRY_SYNCTIME_FC)
1100 FileTimeToDosDateTime(&lpCacheEntryInfo->LastAccessTime, &pUrlEntry->wLastSyncDate, &pUrlEntry->wLastSyncTime);
1102 return ERROR_SUCCESS;
1105 /***********************************************************************
1106 * URLCache_HashKey (Internal)
1108 * Returns the hash key for a given string
1111 * hash key for the string
1114 static DWORD URLCache_HashKey(LPCSTR lpszKey)
1116 /* NOTE: this uses the same lookup table as SHLWAPI.UrlHash{A,W}
1117 * but the algorithm and result are not the same!
1119 static const unsigned char lookupTable[256] =
1121 0x01, 0x0E, 0x6E, 0x19, 0x61, 0xAE, 0x84, 0x77,
1122 0x8A, 0xAA, 0x7D, 0x76, 0x1B, 0xE9, 0x8C, 0x33,
1123 0x57, 0xC5, 0xB1, 0x6B, 0xEA, 0xA9, 0x38, 0x44,
1124 0x1E, 0x07, 0xAD, 0x49, 0xBC, 0x28, 0x24, 0x41,
1125 0x31, 0xD5, 0x68, 0xBE, 0x39, 0xD3, 0x94, 0xDF,
1126 0x30, 0x73, 0x0F, 0x02, 0x43, 0xBA, 0xD2, 0x1C,
1127 0x0C, 0xB5, 0x67, 0x46, 0x16, 0x3A, 0x4B, 0x4E,
1128 0xB7, 0xA7, 0xEE, 0x9D, 0x7C, 0x93, 0xAC, 0x90,
1129 0xB0, 0xA1, 0x8D, 0x56, 0x3C, 0x42, 0x80, 0x53,
1130 0x9C, 0xF1, 0x4F, 0x2E, 0xA8, 0xC6, 0x29, 0xFE,
1131 0xB2, 0x55, 0xFD, 0xED, 0xFA, 0x9A, 0x85, 0x58,
1132 0x23, 0xCE, 0x5F, 0x74, 0xFC, 0xC0, 0x36, 0xDD,
1133 0x66, 0xDA, 0xFF, 0xF0, 0x52, 0x6A, 0x9E, 0xC9,
1134 0x3D, 0x03, 0x59, 0x09, 0x2A, 0x9B, 0x9F, 0x5D,
1135 0xA6, 0x50, 0x32, 0x22, 0xAF, 0xC3, 0x64, 0x63,
1136 0x1A, 0x96, 0x10, 0x91, 0x04, 0x21, 0x08, 0xBD,
1137 0x79, 0x40, 0x4D, 0x48, 0xD0, 0xF5, 0x82, 0x7A,
1138 0x8F, 0x37, 0x69, 0x86, 0x1D, 0xA4, 0xB9, 0xC2,
1139 0xC1, 0xEF, 0x65, 0xF2, 0x05, 0xAB, 0x7E, 0x0B,
1140 0x4A, 0x3B, 0x89, 0xE4, 0x6C, 0xBF, 0xE8, 0x8B,
1141 0x06, 0x18, 0x51, 0x14, 0x7F, 0x11, 0x5B, 0x5C,
1142 0xFB, 0x97, 0xE1, 0xCF, 0x15, 0x62, 0x71, 0x70,
1143 0x54, 0xE2, 0x12, 0xD6, 0xC7, 0xBB, 0x0D, 0x20,
1144 0x5E, 0xDC, 0xE0, 0xD4, 0xF7, 0xCC, 0xC4, 0x2B,
1145 0xF9, 0xEC, 0x2D, 0xF4, 0x6F, 0xB6, 0x99, 0x88,
1146 0x81, 0x5A, 0xD9, 0xCA, 0x13, 0xA5, 0xE7, 0x47,
1147 0xE6, 0x8E, 0x60, 0xE3, 0x3E, 0xB3, 0xF6, 0x72,
1148 0xA2, 0x35, 0xA0, 0xD7, 0xCD, 0xB4, 0x2F, 0x6D,
1149 0x2C, 0x26, 0x1F, 0x95, 0x87, 0x00, 0xD8, 0x34,
1150 0x3F, 0x17, 0x25, 0x45, 0x27, 0x75, 0x92, 0xB8,
1151 0xA3, 0xC8, 0xDE, 0xEB, 0xF8, 0xF3, 0xDB, 0x0A,
1152 0x98, 0x83, 0x7B, 0xE5, 0xCB, 0x4C, 0x78, 0xD1
1157 for (i = 0; i < sizeof(key) / sizeof(key[0]); i++)
1158 key[i] = lookupTable[i];
1160 for (lpszKey++; *lpszKey && ((lpszKey[0] != '/') || (lpszKey[1] != 0)); lpszKey++)
1162 for (i = 0; i < sizeof(key) / sizeof(key[0]); i++)
1163 key[i] = lookupTable[*lpszKey ^ key[i]];
1166 return *(DWORD *)key;
1169 static inline HASH_CACHEFILE_ENTRY * URLCache_HashEntryFromOffset(LPCURLCACHE_HEADER pHeader, DWORD dwOffset)
1171 return (HASH_CACHEFILE_ENTRY *)((LPBYTE)pHeader + dwOffset);
1174 static inline BOOL URLCache_IsHashEntryValid(LPCURLCACHE_HEADER pHeader, const HASH_CACHEFILE_ENTRY *pHashEntry)
1176 /* check pHashEntry located within acceptable bounds in the URL cache mapping */
1177 return ((DWORD)((LPBYTE)pHashEntry - (LPBYTE)pHeader) >= ENTRY_START_OFFSET) &&
1178 ((DWORD)((LPBYTE)pHashEntry - (LPBYTE)pHeader) < pHeader->dwFileSize);
1181 static BOOL URLCache_FindHash(LPCURLCACHE_HEADER pHeader, LPCSTR lpszUrl, struct _HASH_ENTRY ** ppHashEntry)
1183 /* structure of hash table:
1184 * 448 entries divided into 64 blocks
1185 * each block therefore contains a chain of 7 key/offset pairs
1186 * how position in table is calculated:
1187 * 1. the url is hashed in helper function
1188 * 2. the key % 64 * 8 is the offset
1189 * 3. the key in the hash table is the hash key aligned to 64
1192 * there can be multiple hash tables in the file and the offset to
1193 * the next one is stored in the header of the hash table
1195 DWORD key = URLCache_HashKey(lpszUrl);
1196 DWORD offset = (key % HASHTABLE_NUM_ENTRIES) * sizeof(struct _HASH_ENTRY);
1197 HASH_CACHEFILE_ENTRY * pHashEntry;
1198 DWORD dwHashTableNumber = 0;
1200 key = (key / HASHTABLE_NUM_ENTRIES) * HASHTABLE_NUM_ENTRIES;
1202 for (pHashEntry = URLCache_HashEntryFromOffset(pHeader, pHeader->dwOffsetFirstHashTable);
1203 URLCache_IsHashEntryValid(pHeader, pHashEntry);
1204 pHashEntry = URLCache_HashEntryFromOffset(pHeader, pHashEntry->dwAddressNext))
1207 if (pHashEntry->dwHashTableNumber != dwHashTableNumber++)
1209 ERR("Error: not right hash table number (%d) expected %d\n", pHashEntry->dwHashTableNumber, dwHashTableNumber);
1212 /* make sure that it is in fact a hash entry */
1213 if (pHashEntry->CacheFileEntry.dwSignature != HASH_SIGNATURE)
1215 ERR("Error: not right signature (\"%.4s\") - expected \"HASH\"\n", (LPCSTR)&pHashEntry->CacheFileEntry.dwSignature);
1219 for (i = 0; i < HASHTABLE_BLOCKSIZE; i++)
1221 struct _HASH_ENTRY * pHashElement = &pHashEntry->HashTable[offset + i];
1222 if (key == (pHashElement->dwHashKey / HASHTABLE_NUM_ENTRIES) * HASHTABLE_NUM_ENTRIES)
1224 /* FIXME: we should make sure that this is the right element
1225 * before returning and claiming that it is. We can do this
1226 * by doing a simple compare between the URL we were given
1227 * and the URL stored in the entry. However, this assumes
1228 * we know the format of all the entries stored in the
1230 *ppHashEntry = pHashElement;
1238 static BOOL URLCache_FindHashW(LPCURLCACHE_HEADER pHeader, LPCWSTR lpszUrl, struct _HASH_ENTRY ** ppHashEntry)
1244 url_len = WideCharToMultiByte(CP_ACP, 0, lpszUrl, -1, NULL, 0, NULL, NULL);
1245 urlA = HeapAlloc(GetProcessHeap(), 0, url_len * sizeof(CHAR));
1248 SetLastError(ERROR_OUTOFMEMORY);
1251 WideCharToMultiByte(CP_ACP, 0, lpszUrl, -1, urlA, url_len, NULL, NULL);
1252 ret = URLCache_FindHash(pHeader, urlA, ppHashEntry);
1253 HeapFree(GetProcessHeap(), 0, urlA);
1257 /***********************************************************************
1258 * URLCache_HashEntrySetUse (Internal)
1260 * Searches all the hash tables in the index for the given URL and
1261 * sets the use count (stored or'ed with key)
1264 * TRUE if the entry was found
1265 * FALSE if the entry could not be found
1268 static BOOL URLCache_HashEntrySetUse(struct _HASH_ENTRY * pHashEntry, DWORD dwUseCount)
1270 pHashEntry->dwHashKey = dwUseCount | (pHashEntry->dwHashKey / HASHTABLE_NUM_ENTRIES) * HASHTABLE_NUM_ENTRIES;
1274 /***********************************************************************
1275 * URLCache_DeleteEntryFromHash (Internal)
1277 * Searches all the hash tables in the index for the given URL and
1278 * then if found deletes the entry.
1281 * TRUE if the entry was found
1282 * FALSE if the entry could not be found
1285 static BOOL URLCache_DeleteEntryFromHash(struct _HASH_ENTRY * pHashEntry)
1287 pHashEntry->dwHashKey = HASHTABLE_FREE;
1288 pHashEntry->dwOffsetEntry = HASHTABLE_FREE;
1292 /***********************************************************************
1293 * URLCache_AddEntryToHash (Internal)
1295 * Searches all the hash tables for a free slot based on the offset
1296 * generated from the hash key. If a free slot is found, the offset and
1297 * key are entered into the hash table.
1300 * ERROR_SUCCESS if the entry was added
1301 * Any other Win32 error code if the entry could not be added
1304 static DWORD URLCache_AddEntryToHash(LPURLCACHE_HEADER pHeader, LPCSTR lpszUrl, DWORD dwOffsetEntry)
1306 /* see URLCache_FindEntryInHash for structure of hash tables */
1308 DWORD key = URLCache_HashKey(lpszUrl);
1309 DWORD offset = (key % HASHTABLE_NUM_ENTRIES) * sizeof(struct _HASH_ENTRY);
1310 HASH_CACHEFILE_ENTRY * pHashEntry;
1311 DWORD dwHashTableNumber = 0;
1314 key = (key / HASHTABLE_NUM_ENTRIES) * HASHTABLE_NUM_ENTRIES;
1316 for (pHashEntry = URLCache_HashEntryFromOffset(pHeader, pHeader->dwOffsetFirstHashTable);
1317 URLCache_IsHashEntryValid(pHeader, pHashEntry);
1318 pHashEntry = URLCache_HashEntryFromOffset(pHeader, pHashEntry->dwAddressNext))
1321 if (pHashEntry->dwHashTableNumber != dwHashTableNumber++)
1323 ERR("not right hash table number (%d) expected %d\n", pHashEntry->dwHashTableNumber, dwHashTableNumber);
1326 /* make sure that it is in fact a hash entry */
1327 if (pHashEntry->CacheFileEntry.dwSignature != HASH_SIGNATURE)
1329 ERR("not right signature (\"%.4s\") - expected \"HASH\"\n", (LPCSTR)&pHashEntry->CacheFileEntry.dwSignature);
1333 for (i = 0; i < HASHTABLE_BLOCKSIZE; i++)
1335 struct _HASH_ENTRY * pHashElement = &pHashEntry->HashTable[offset + i];
1336 if (pHashElement->dwHashKey == HASHTABLE_FREE) /* if the slot is free */
1338 pHashElement->dwHashKey = key;
1339 pHashElement->dwOffsetEntry = dwOffsetEntry;
1340 return ERROR_SUCCESS;
1344 error = URLCache_CreateHashTable(pHeader, pHashEntry, &pHashEntry);
1345 if (error != ERROR_SUCCESS)
1348 pHashEntry->HashTable[offset].dwHashKey = key;
1349 pHashEntry->HashTable[offset].dwOffsetEntry = dwOffsetEntry;
1350 return ERROR_SUCCESS;
1353 /***********************************************************************
1354 * URLCache_CreateHashTable (Internal)
1356 * Creates a new hash table in free space and adds it to the chain of existing
1360 * ERROR_SUCCESS if the hash table was created
1361 * ERROR_DISK_FULL if the hash table could not be created
1364 static DWORD URLCache_CreateHashTable(LPURLCACHE_HEADER pHeader, HASH_CACHEFILE_ENTRY *pPrevHash, HASH_CACHEFILE_ENTRY **ppHash)
1369 if (!URLCache_FindFirstFreeEntry(pHeader, 0x20, (CACHEFILE_ENTRY **)ppHash))
1371 FIXME("no free space for hash table\n");
1372 return ERROR_DISK_FULL;
1375 dwOffset = (BYTE *)*ppHash - (BYTE *)pHeader;
1378 pPrevHash->dwAddressNext = dwOffset;
1380 pHeader->dwOffsetFirstHashTable = dwOffset;
1381 (*ppHash)->CacheFileEntry.dwSignature = HASH_SIGNATURE;
1382 (*ppHash)->CacheFileEntry.dwBlocksUsed = 0x20;
1383 (*ppHash)->dwHashTableNumber = pPrevHash ? pPrevHash->dwHashTableNumber + 1 : 0;
1384 for (i = 0; i < HASHTABLE_SIZE; i++)
1386 (*ppHash)->HashTable[i].dwOffsetEntry = 0;
1387 (*ppHash)->HashTable[i].dwHashKey = HASHTABLE_FREE;
1389 return ERROR_SUCCESS;
1392 /***********************************************************************
1393 * URLCache_EnumHashTables (Internal)
1395 * Enumerates the hash tables in a container.
1398 * TRUE if an entry was found
1399 * FALSE if there are no more tables to enumerate.
1402 static BOOL URLCache_EnumHashTables(LPCURLCACHE_HEADER pHeader, DWORD *pdwHashTableNumber, HASH_CACHEFILE_ENTRY ** ppHashEntry)
1404 for (*ppHashEntry = URLCache_HashEntryFromOffset(pHeader, pHeader->dwOffsetFirstHashTable);
1405 URLCache_IsHashEntryValid(pHeader, *ppHashEntry);
1406 *ppHashEntry = URLCache_HashEntryFromOffset(pHeader, (*ppHashEntry)->dwAddressNext))
1408 TRACE("looking at hash table number %d\n", (*ppHashEntry)->dwHashTableNumber);
1409 if ((*ppHashEntry)->dwHashTableNumber != *pdwHashTableNumber)
1411 /* make sure that it is in fact a hash entry */
1412 if ((*ppHashEntry)->CacheFileEntry.dwSignature != HASH_SIGNATURE)
1414 ERR("Error: not right signature (\"%.4s\") - expected \"HASH\"\n", (LPCSTR)&(*ppHashEntry)->CacheFileEntry.dwSignature);
1415 (*pdwHashTableNumber)++;
1419 TRACE("hash table number %d found\n", *pdwHashTableNumber);
1425 /***********************************************************************
1426 * URLCache_EnumHashTableEntries (Internal)
1428 * Enumerates entries in a hash table and returns the next non-free entry.
1431 * TRUE if an entry was found
1432 * FALSE if the hash table is empty or there are no more entries to
1436 static BOOL URLCache_EnumHashTableEntries(LPCURLCACHE_HEADER pHeader, const HASH_CACHEFILE_ENTRY * pHashEntry,
1437 DWORD * index, const struct _HASH_ENTRY ** ppHashEntry)
1439 for (; *index < HASHTABLE_SIZE ; (*index)++)
1441 if (pHashEntry->HashTable[*index].dwHashKey == HASHTABLE_FREE)
1444 *ppHashEntry = &pHashEntry->HashTable[*index];
1445 TRACE("entry found %d\n", *index);
1448 TRACE("no more entries (%d)\n", *index);
1452 /***********************************************************************
1453 * GetUrlCacheEntryInfoExA (WININET.@)
1456 BOOL WINAPI GetUrlCacheEntryInfoExA(
1458 LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo,
1459 LPDWORD lpdwCacheEntryInfoBufSize,
1461 LPDWORD lpdwReserved,
1465 TRACE("(%s, %p, %p, %p, %p, %p, %x)\n",
1466 debugstr_a(lpszUrl),
1468 lpdwCacheEntryInfoBufSize,
1474 if ((lpszReserved != NULL) ||
1475 (lpdwReserved != NULL) ||
1476 (lpReserved != NULL))
1478 ERR("Reserved value was not 0\n");
1479 SetLastError(ERROR_INVALID_PARAMETER);
1483 FIXME("Undocumented flag(s): %x\n", dwFlags);
1484 return GetUrlCacheEntryInfoA(lpszUrl, lpCacheEntryInfo, lpdwCacheEntryInfoBufSize);
1487 /***********************************************************************
1488 * GetUrlCacheEntryInfoA (WININET.@)
1491 BOOL WINAPI GetUrlCacheEntryInfoA(
1492 IN LPCSTR lpszUrlName,
1493 IN LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo,
1494 IN OUT LPDWORD lpdwCacheEntryInfoBufferSize
1497 LPURLCACHE_HEADER pHeader;
1498 struct _HASH_ENTRY * pHashEntry;
1499 const CACHEFILE_ENTRY * pEntry;
1500 const URL_CACHEFILE_ENTRY * pUrlEntry;
1501 URLCACHECONTAINER * pContainer;
1504 TRACE("(%s, %p, %p)\n", debugstr_a(lpszUrlName), lpCacheEntryInfo, lpdwCacheEntryInfoBufferSize);
1506 error = URLCacheContainers_FindContainerA(lpszUrlName, &pContainer);
1507 if (error != ERROR_SUCCESS)
1509 SetLastError(error);
1513 error = URLCacheContainer_OpenIndex(pContainer);
1514 if (error != ERROR_SUCCESS)
1516 SetLastError(error);
1520 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
1523 if (!URLCache_FindHash(pHeader, lpszUrlName, &pHashEntry))
1525 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1526 WARN("entry %s not found!\n", debugstr_a(lpszUrlName));
1527 SetLastError(ERROR_FILE_NOT_FOUND);
1531 pEntry = (const CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
1532 if (pEntry->dwSignature != URL_SIGNATURE)
1534 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1535 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
1536 SetLastError(ERROR_FILE_NOT_FOUND);
1540 pUrlEntry = (const URL_CACHEFILE_ENTRY *)pEntry;
1541 TRACE("Found URL: %s\n", debugstr_a((LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl));
1542 if (pUrlEntry->dwOffsetHeaderInfo)
1543 TRACE("Header info: %s\n", debugstr_a((LPSTR)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo));
1545 if (lpdwCacheEntryInfoBufferSize)
1547 if (!lpCacheEntryInfo)
1548 *lpdwCacheEntryInfoBufferSize = 0;
1550 error = URLCache_CopyEntry(
1554 lpdwCacheEntryInfoBufferSize,
1557 if (error != ERROR_SUCCESS)
1559 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1560 SetLastError(error);
1563 TRACE("Local File Name: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName));
1566 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1571 /***********************************************************************
1572 * GetUrlCacheEntryInfoW (WININET.@)
1575 BOOL WINAPI GetUrlCacheEntryInfoW(LPCWSTR lpszUrl,
1576 LPINTERNET_CACHE_ENTRY_INFOW lpCacheEntryInfo,
1577 LPDWORD lpdwCacheEntryInfoBufferSize)
1579 LPURLCACHE_HEADER pHeader;
1580 struct _HASH_ENTRY * pHashEntry;
1581 const CACHEFILE_ENTRY * pEntry;
1582 const URL_CACHEFILE_ENTRY * pUrlEntry;
1583 URLCACHECONTAINER * pContainer;
1586 TRACE("(%s, %p, %p)\n", debugstr_w(lpszUrl), lpCacheEntryInfo, lpdwCacheEntryInfoBufferSize);
1588 error = URLCacheContainers_FindContainerW(lpszUrl, &pContainer);
1589 if (error != ERROR_SUCCESS)
1591 SetLastError(error);
1595 error = URLCacheContainer_OpenIndex(pContainer);
1596 if (error != ERROR_SUCCESS)
1598 SetLastError(error);
1602 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
1605 if (!URLCache_FindHashW(pHeader, lpszUrl, &pHashEntry))
1607 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1608 WARN("entry %s not found!\n", debugstr_w(lpszUrl));
1609 SetLastError(ERROR_FILE_NOT_FOUND);
1613 pEntry = (const CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
1614 if (pEntry->dwSignature != URL_SIGNATURE)
1616 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1617 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
1618 SetLastError(ERROR_FILE_NOT_FOUND);
1622 pUrlEntry = (const URL_CACHEFILE_ENTRY *)pEntry;
1623 TRACE("Found URL: %s\n", debugstr_a((LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl));
1624 TRACE("Header info: %s\n", debugstr_a((LPSTR)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo));
1626 if (lpdwCacheEntryInfoBufferSize)
1628 if (!lpCacheEntryInfo)
1629 *lpdwCacheEntryInfoBufferSize = 0;
1631 error = URLCache_CopyEntry(
1634 (LPINTERNET_CACHE_ENTRY_INFOA)lpCacheEntryInfo,
1635 lpdwCacheEntryInfoBufferSize,
1637 TRUE /* UNICODE */);
1638 if (error != ERROR_SUCCESS)
1640 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1641 SetLastError(error);
1644 TRACE("Local File Name: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName));
1647 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1652 /***********************************************************************
1653 * GetUrlCacheEntryInfoExW (WININET.@)
1656 BOOL WINAPI GetUrlCacheEntryInfoExW(
1658 LPINTERNET_CACHE_ENTRY_INFOW lpCacheEntryInfo,
1659 LPDWORD lpdwCacheEntryInfoBufSize,
1660 LPWSTR lpszReserved,
1661 LPDWORD lpdwReserved,
1665 TRACE("(%s, %p, %p, %p, %p, %p, %x)\n",
1666 debugstr_w(lpszUrl),
1668 lpdwCacheEntryInfoBufSize,
1674 if ((lpszReserved != NULL) ||
1675 (lpdwReserved != NULL) ||
1676 (lpReserved != NULL))
1678 ERR("Reserved value was not 0\n");
1679 SetLastError(ERROR_INVALID_PARAMETER);
1683 FIXME("Undocumented flag(s): %x\n", dwFlags);
1684 return GetUrlCacheEntryInfoW(lpszUrl, lpCacheEntryInfo, lpdwCacheEntryInfoBufSize);
1687 /***********************************************************************
1688 * SetUrlCacheEntryInfoA (WININET.@)
1690 BOOL WINAPI SetUrlCacheEntryInfoA(
1692 LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo,
1693 DWORD dwFieldControl)
1695 LPURLCACHE_HEADER pHeader;
1696 struct _HASH_ENTRY * pHashEntry;
1697 CACHEFILE_ENTRY * pEntry;
1698 URLCACHECONTAINER * pContainer;
1701 TRACE("(%s, %p, 0x%08x)\n", debugstr_a(lpszUrlName), lpCacheEntryInfo, dwFieldControl);
1703 error = URLCacheContainers_FindContainerA(lpszUrlName, &pContainer);
1704 if (error != ERROR_SUCCESS)
1706 SetLastError(error);
1710 error = URLCacheContainer_OpenIndex(pContainer);
1711 if (error != ERROR_SUCCESS)
1713 SetLastError(error);
1717 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
1720 if (!URLCache_FindHash(pHeader, lpszUrlName, &pHashEntry))
1722 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1723 WARN("entry %s not found!\n", debugstr_a(lpszUrlName));
1724 SetLastError(ERROR_FILE_NOT_FOUND);
1728 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
1729 if (pEntry->dwSignature != URL_SIGNATURE)
1731 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1732 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
1733 SetLastError(ERROR_FILE_NOT_FOUND);
1737 URLCache_SetEntryInfo(
1738 (URL_CACHEFILE_ENTRY *)pEntry,
1739 (const INTERNET_CACHE_ENTRY_INFOW *)lpCacheEntryInfo,
1742 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1747 /***********************************************************************
1748 * SetUrlCacheEntryInfoW (WININET.@)
1750 BOOL WINAPI SetUrlCacheEntryInfoW(LPCWSTR lpszUrl, LPINTERNET_CACHE_ENTRY_INFOW lpCacheEntryInfo, DWORD dwFieldControl)
1752 LPURLCACHE_HEADER pHeader;
1753 struct _HASH_ENTRY * pHashEntry;
1754 CACHEFILE_ENTRY * pEntry;
1755 URLCACHECONTAINER * pContainer;
1758 TRACE("(%s, %p, 0x%08x)\n", debugstr_w(lpszUrl), lpCacheEntryInfo, dwFieldControl);
1760 error = URLCacheContainers_FindContainerW(lpszUrl, &pContainer);
1761 if (error != ERROR_SUCCESS)
1763 SetLastError(error);
1767 error = URLCacheContainer_OpenIndex(pContainer);
1768 if (error != ERROR_SUCCESS)
1770 SetLastError(error);
1774 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
1777 if (!URLCache_FindHashW(pHeader, lpszUrl, &pHashEntry))
1779 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1780 WARN("entry %s not found!\n", debugstr_w(lpszUrl));
1781 SetLastError(ERROR_FILE_NOT_FOUND);
1785 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
1786 if (pEntry->dwSignature != URL_SIGNATURE)
1788 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1789 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
1790 SetLastError(ERROR_FILE_NOT_FOUND);
1794 URLCache_SetEntryInfo(
1795 (URL_CACHEFILE_ENTRY *)pEntry,
1799 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1804 /***********************************************************************
1805 * RetrieveUrlCacheEntryFileA (WININET.@)
1808 BOOL WINAPI RetrieveUrlCacheEntryFileA(
1809 IN LPCSTR lpszUrlName,
1810 OUT LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo,
1811 IN OUT LPDWORD lpdwCacheEntryInfoBufferSize,
1815 LPURLCACHE_HEADER pHeader;
1816 struct _HASH_ENTRY * pHashEntry;
1817 CACHEFILE_ENTRY * pEntry;
1818 URL_CACHEFILE_ENTRY * pUrlEntry;
1819 URLCACHECONTAINER * pContainer;
1822 TRACE("(%s, %p, %p, 0x%08x)\n",
1823 debugstr_a(lpszUrlName),
1825 lpdwCacheEntryInfoBufferSize,
1828 if (!lpszUrlName || !lpdwCacheEntryInfoBufferSize ||
1829 (!lpCacheEntryInfo && *lpdwCacheEntryInfoBufferSize))
1831 SetLastError(ERROR_INVALID_PARAMETER);
1835 error = URLCacheContainers_FindContainerA(lpszUrlName, &pContainer);
1836 if (error != ERROR_SUCCESS)
1838 SetLastError(error);
1842 error = URLCacheContainer_OpenIndex(pContainer);
1843 if (error != ERROR_SUCCESS)
1845 SetLastError(error);
1849 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
1852 if (!URLCache_FindHash(pHeader, lpszUrlName, &pHashEntry))
1854 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1855 TRACE("entry %s not found!\n", lpszUrlName);
1856 SetLastError(ERROR_FILE_NOT_FOUND);
1860 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
1861 if (pEntry->dwSignature != URL_SIGNATURE)
1863 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1864 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
1865 SetLastError(ERROR_FILE_NOT_FOUND);
1869 pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry;
1870 TRACE("Found URL: %s\n", (LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl);
1871 TRACE("Header info: %s\n", (LPBYTE)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo);
1873 pUrlEntry->dwHitRate++;
1874 pUrlEntry->dwUseCount++;
1875 URLCache_HashEntrySetUse(pHashEntry, pUrlEntry->dwUseCount);
1877 error = URLCache_CopyEntry(pContainer, pHeader, lpCacheEntryInfo,
1878 lpdwCacheEntryInfoBufferSize, pUrlEntry,
1880 if (error != ERROR_SUCCESS)
1882 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1883 SetLastError(error);
1886 TRACE("Local File Name: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName));
1888 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1893 /***********************************************************************
1894 * RetrieveUrlCacheEntryFileW (WININET.@)
1897 BOOL WINAPI RetrieveUrlCacheEntryFileW(
1898 IN LPCWSTR lpszUrlName,
1899 OUT LPINTERNET_CACHE_ENTRY_INFOW lpCacheEntryInfo,
1900 IN OUT LPDWORD lpdwCacheEntryInfoBufferSize,
1904 LPURLCACHE_HEADER pHeader;
1905 struct _HASH_ENTRY * pHashEntry;
1906 CACHEFILE_ENTRY * pEntry;
1907 URL_CACHEFILE_ENTRY * pUrlEntry;
1908 URLCACHECONTAINER * pContainer;
1911 TRACE("(%s, %p, %p, 0x%08x)\n",
1912 debugstr_w(lpszUrlName),
1914 lpdwCacheEntryInfoBufferSize,
1917 if (!lpszUrlName || !lpdwCacheEntryInfoBufferSize ||
1918 (!lpCacheEntryInfo && *lpdwCacheEntryInfoBufferSize))
1920 SetLastError(ERROR_INVALID_PARAMETER);
1924 error = URLCacheContainers_FindContainerW(lpszUrlName, &pContainer);
1925 if (error != ERROR_SUCCESS)
1927 SetLastError(error);
1931 error = URLCacheContainer_OpenIndex(pContainer);
1932 if (error != ERROR_SUCCESS)
1934 SetLastError(error);
1938 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
1941 if (!URLCache_FindHashW(pHeader, lpszUrlName, &pHashEntry))
1943 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1944 TRACE("entry %s not found!\n", debugstr_w(lpszUrlName));
1945 SetLastError(ERROR_FILE_NOT_FOUND);
1949 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
1950 if (pEntry->dwSignature != URL_SIGNATURE)
1952 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1953 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
1954 SetLastError(ERROR_FILE_NOT_FOUND);
1958 pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry;
1959 TRACE("Found URL: %s\n", (LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl);
1960 TRACE("Header info: %s\n", (LPBYTE)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo);
1962 pUrlEntry->dwHitRate++;
1963 pUrlEntry->dwUseCount++;
1964 URLCache_HashEntrySetUse(pHashEntry, pUrlEntry->dwUseCount);
1966 error = URLCache_CopyEntry(
1969 (LPINTERNET_CACHE_ENTRY_INFOA)lpCacheEntryInfo,
1970 lpdwCacheEntryInfoBufferSize,
1972 TRUE /* UNICODE */);
1973 if (error != ERROR_SUCCESS)
1975 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1976 SetLastError(error);
1979 TRACE("Local File Name: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName));
1981 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1986 /***********************************************************************
1987 * UnlockUrlCacheEntryFileA (WININET.@)
1990 BOOL WINAPI UnlockUrlCacheEntryFileA(
1991 IN LPCSTR lpszUrlName,
1995 LPURLCACHE_HEADER pHeader;
1996 struct _HASH_ENTRY * pHashEntry;
1997 CACHEFILE_ENTRY * pEntry;
1998 URL_CACHEFILE_ENTRY * pUrlEntry;
1999 URLCACHECONTAINER * pContainer;
2002 TRACE("(%s, 0x%08x)\n", debugstr_a(lpszUrlName), dwReserved);
2006 ERR("dwReserved != 0\n");
2007 SetLastError(ERROR_INVALID_PARAMETER);
2011 error = URLCacheContainers_FindContainerA(lpszUrlName, &pContainer);
2012 if (error != ERROR_SUCCESS)
2014 SetLastError(error);
2018 error = URLCacheContainer_OpenIndex(pContainer);
2019 if (error != ERROR_SUCCESS)
2021 SetLastError(error);
2025 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
2028 if (!URLCache_FindHash(pHeader, lpszUrlName, &pHashEntry))
2030 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2031 TRACE("entry %s not found!\n", lpszUrlName);
2032 SetLastError(ERROR_FILE_NOT_FOUND);
2036 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
2037 if (pEntry->dwSignature != URL_SIGNATURE)
2039 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2040 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
2041 SetLastError(ERROR_FILE_NOT_FOUND);
2045 pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry;
2047 if (pUrlEntry->dwUseCount == 0)
2049 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2052 pUrlEntry->dwUseCount--;
2053 URLCache_HashEntrySetUse(pHashEntry, pUrlEntry->dwUseCount);
2055 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2060 /***********************************************************************
2061 * UnlockUrlCacheEntryFileW (WININET.@)
2064 BOOL WINAPI UnlockUrlCacheEntryFileW( LPCWSTR lpszUrlName, DWORD dwReserved )
2066 LPURLCACHE_HEADER pHeader;
2067 struct _HASH_ENTRY * pHashEntry;
2068 CACHEFILE_ENTRY * pEntry;
2069 URL_CACHEFILE_ENTRY * pUrlEntry;
2070 URLCACHECONTAINER * pContainer;
2073 TRACE("(%s, 0x%08x)\n", debugstr_w(lpszUrlName), dwReserved);
2077 ERR("dwReserved != 0\n");
2078 SetLastError(ERROR_INVALID_PARAMETER);
2082 error = URLCacheContainers_FindContainerW(lpszUrlName, &pContainer);
2083 if (error != ERROR_SUCCESS)
2085 SetLastError(error);
2089 error = URLCacheContainer_OpenIndex(pContainer);
2090 if (error != ERROR_SUCCESS)
2092 SetLastError(error);
2096 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
2099 if (!URLCache_FindHashW(pHeader, lpszUrlName, &pHashEntry))
2101 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2102 TRACE("entry %s not found!\n", debugstr_w(lpszUrlName));
2103 SetLastError(ERROR_FILE_NOT_FOUND);
2107 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
2108 if (pEntry->dwSignature != URL_SIGNATURE)
2110 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2111 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
2112 SetLastError(ERROR_FILE_NOT_FOUND);
2116 pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry;
2118 if (pUrlEntry->dwUseCount == 0)
2120 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2123 pUrlEntry->dwUseCount--;
2124 URLCache_HashEntrySetUse(pHashEntry, pUrlEntry->dwUseCount);
2126 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2131 /***********************************************************************
2132 * CreateUrlCacheEntryA (WININET.@)
2135 BOOL WINAPI CreateUrlCacheEntryA(
2136 IN LPCSTR lpszUrlName,
2137 IN DWORD dwExpectedFileSize,
2138 IN LPCSTR lpszFileExtension,
2139 OUT LPSTR lpszFileName,
2145 WCHAR *file_extension;
2146 WCHAR file_name[MAX_PATH];
2147 BOOL bSuccess = FALSE;
2150 if ((len = MultiByteToWideChar(CP_ACP, 0, lpszUrlName, -1, NULL, 0)) != 0 &&
2151 (url_name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR))) != 0)
2153 MultiByteToWideChar(CP_ACP, 0, lpszUrlName, -1, url_name, len);
2154 if ((len = MultiByteToWideChar(CP_ACP, 0, lpszFileExtension, -1, NULL, 0)) != 0 &&
2155 (file_extension = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR))) != 0)
2157 MultiByteToWideChar(CP_ACP, 0, lpszFileExtension, -1, file_extension, len);
2158 if (CreateUrlCacheEntryW(url_name, dwExpectedFileSize, file_extension, file_name, dwReserved))
2160 if (WideCharToMultiByte(CP_ACP, 0, file_name, -1, lpszFileName, MAX_PATH, NULL, NULL) < MAX_PATH)
2166 dwError = GetLastError();
2171 dwError = GetLastError();
2173 HeapFree(GetProcessHeap(), 0, file_extension);
2177 dwError = GetLastError();
2179 HeapFree(GetProcessHeap(), 0, url_name);
2181 SetLastError(dwError);
2185 /***********************************************************************
2186 * CreateUrlCacheEntryW (WININET.@)
2189 BOOL WINAPI CreateUrlCacheEntryW(
2190 IN LPCWSTR lpszUrlName,
2191 IN DWORD dwExpectedFileSize,
2192 IN LPCWSTR lpszFileExtension,
2193 OUT LPWSTR lpszFileName,
2197 URLCACHECONTAINER * pContainer;
2198 LPURLCACHE_HEADER pHeader;
2199 CHAR szFile[MAX_PATH];
2200 WCHAR szExtension[MAX_PATH];
2201 LPCWSTR lpszUrlPart;
2203 LPCWSTR lpszFileNameExtension;
2204 LPWSTR lpszFileNameNoPath;
2206 int countnoextension;
2209 BOOL bFound = FALSE;
2212 static const WCHAR szWWW[] = {'w','w','w',0};
2214 TRACE("(%s, 0x%08x, %s, %p, 0x%08x)\n",
2215 debugstr_w(lpszUrlName),
2217 debugstr_w(lpszFileExtension),
2223 ERR("dwReserved != 0\n");
2224 SetLastError(ERROR_INVALID_PARAMETER);
2228 lpszUrlEnd = lpszUrlName + strlenW(lpszUrlName);
2230 if (((lpszUrlEnd - lpszUrlName) > 1) && (*(lpszUrlEnd - 1) == '/' || *(lpszUrlEnd - 1) == '\\'))
2233 for (lpszUrlPart = lpszUrlEnd;
2234 (lpszUrlPart >= lpszUrlName);
2237 if ((*lpszUrlPart == '/' || *lpszUrlPart == '\\') && ((lpszUrlEnd - lpszUrlPart) > 1))
2243 else if(*lpszUrlPart == '?' || *lpszUrlPart == '#')
2245 lpszUrlEnd = lpszUrlPart;
2248 if (!lstrcmpW(lpszUrlPart, szWWW))
2250 lpszUrlPart += lstrlenW(szWWW);
2253 count = lpszUrlEnd - lpszUrlPart;
2255 if (bFound && (count < MAX_PATH))
2257 int len = WideCharToMultiByte(CP_ACP, 0, lpszUrlPart, count, szFile, sizeof(szFile) - 1, NULL, NULL);
2261 /* FIXME: get rid of illegal characters like \, / and : */
2265 FIXME("need to generate a random filename\n");
2268 TRACE("File name: %s\n", debugstr_a(szFile));
2270 error = URLCacheContainers_FindContainerW(lpszUrlName, &pContainer);
2271 if (error != ERROR_SUCCESS)
2273 SetLastError(error);
2277 error = URLCacheContainer_OpenIndex(pContainer);
2278 if (error != ERROR_SUCCESS)
2280 SetLastError(error);
2284 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
2287 CacheDir = (BYTE)(rand() % pHeader->DirectoryCount);
2289 lBufferSize = MAX_PATH * sizeof(WCHAR);
2290 URLCache_LocalFileNameToPathW(pContainer, pHeader, szFile, CacheDir, lpszFileName, &lBufferSize);
2292 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2294 for (lpszFileNameNoPath = lpszFileName + lBufferSize / sizeof(WCHAR) - 2;
2295 lpszFileNameNoPath >= lpszFileName;
2296 --lpszFileNameNoPath)
2298 if (*lpszFileNameNoPath == '/' || *lpszFileNameNoPath == '\\')
2302 countnoextension = lstrlenW(lpszFileNameNoPath);
2303 lpszFileNameExtension = PathFindExtensionW(lpszFileNameNoPath);
2304 if (lpszFileNameExtension)
2305 countnoextension -= lstrlenW(lpszFileNameExtension);
2306 *szExtension = '\0';
2308 if (lpszFileExtension)
2310 szExtension[0] = '.';
2311 lstrcpyW(szExtension+1, lpszFileExtension);
2314 for (i = 0; i < 255; i++)
2316 static const WCHAR szFormat[] = {'[','%','u',']','%','s',0};
2318 wsprintfW(lpszFileNameNoPath + countnoextension, szFormat, i, szExtension);
2319 TRACE("Trying: %s\n", debugstr_w(lpszFileName));
2320 hFile = CreateFileW(lpszFileName, GENERIC_READ, 0, NULL, CREATE_NEW, 0, NULL);
2321 if (hFile != INVALID_HANDLE_VALUE)
2332 /***********************************************************************
2333 * CommitUrlCacheEntryInternal (Compensates for an MS bug)
2335 * The bug we are compensating for is that some drongo at Microsoft
2336 * used lpHeaderInfo to pass binary data to CommitUrlCacheEntryA.
2337 * As a consequence, CommitUrlCacheEntryA has been effectively
2338 * redefined as LPBYTE rather than LPCSTR. But CommitUrlCacheEntryW
2339 * is still defined as LPCWSTR. The result (other than madness) is
2340 * that we always need to store lpHeaderInfo in CP_ACP rather than
2341 * in UTF16, and we need to avoid converting lpHeaderInfo in
2342 * CommitUrlCacheEntryA to UTF16 and then back to CP_ACP, since the
2343 * result will lose data for arbitrary binary data.
2346 static BOOL CommitUrlCacheEntryInternal(
2347 IN LPCWSTR lpszUrlName,
2348 IN LPCWSTR lpszLocalFileName,
2349 IN FILETIME ExpireTime,
2350 IN FILETIME LastModifiedTime,
2351 IN DWORD CacheEntryType,
2352 IN LPBYTE lpHeaderInfo,
2353 IN DWORD dwHeaderSize,
2354 IN LPCWSTR lpszFileExtension,
2355 IN LPCWSTR lpszOriginalUrl
2358 URLCACHECONTAINER * pContainer;
2359 LPURLCACHE_HEADER pHeader;
2360 struct _HASH_ENTRY * pHashEntry;
2361 CACHEFILE_ENTRY * pEntry;
2362 URL_CACHEFILE_ENTRY * pUrlEntry;
2363 DWORD dwBytesNeeded = DWORD_ALIGN(sizeof(*pUrlEntry));
2364 DWORD dwOffsetLocalFileName = 0;
2365 DWORD dwOffsetHeader = 0;
2366 DWORD dwOffsetFileExtension = 0;
2367 DWORD dwFileSizeLow = 0;
2368 DWORD dwFileSizeHigh = 0;
2369 BYTE cDirectory = 0;
2371 char achFile[MAX_PATH];
2372 LPSTR lpszUrlNameA = NULL;
2373 LPSTR lpszFileExtensionA = NULL;
2374 char *pchLocalFileName = 0;
2377 TRACE("(%s, %s, ..., ..., %x, %p, %d, %s, %s)\n",
2378 debugstr_w(lpszUrlName),
2379 debugstr_w(lpszLocalFileName),
2383 debugstr_w(lpszFileExtension),
2384 debugstr_w(lpszOriginalUrl));
2386 if (lpszOriginalUrl)
2387 WARN(": lpszOriginalUrl ignored\n");
2389 if (lpszLocalFileName)
2393 hFile = CreateFileW(lpszLocalFileName, FILE_READ_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, 0, NULL);
2394 if (hFile == INVALID_HANDLE_VALUE)
2396 ERR("couldn't open file %s (error is %d)\n", debugstr_w(lpszLocalFileName), GetLastError());
2401 dwFileSizeLow = GetFileSize(hFile, &dwFileSizeHigh);
2402 if ((dwFileSizeLow == INVALID_FILE_SIZE) && (GetLastError() != NO_ERROR))
2404 ERR("couldn't get file size (error is %d)\n", GetLastError());
2412 error = URLCacheContainers_FindContainerW(lpszUrlName, &pContainer);
2413 if (error != ERROR_SUCCESS)
2415 SetLastError(error);
2419 error = URLCacheContainer_OpenIndex(pContainer);
2420 if (error != ERROR_SUCCESS)
2422 SetLastError(error);
2426 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
2429 len = WideCharToMultiByte(CP_ACP, 0, lpszUrlName, -1, NULL, 0, NULL, NULL);
2430 lpszUrlNameA = HeapAlloc(GetProcessHeap(), 0, len * sizeof(char));
2433 error = GetLastError();
2436 WideCharToMultiByte(CP_ACP, 0, lpszUrlName, -1, lpszUrlNameA, len, NULL, NULL);
2438 if (lpszFileExtension)
2440 len = WideCharToMultiByte(CP_ACP, 0, lpszFileExtension, -1, NULL, 0, NULL, NULL);
2441 lpszFileExtensionA = HeapAlloc(GetProcessHeap(), 0, len * sizeof(char));
2442 if (!lpszFileExtensionA)
2444 error = GetLastError();
2447 WideCharToMultiByte(CP_ACP, 0, lpszFileExtension, -1, lpszFileExtensionA, len, NULL, NULL);
2450 if (URLCache_FindHash(pHeader, lpszUrlNameA, &pHashEntry))
2452 FIXME("entry already in cache - don't know what to do!\n");
2454 * SetLastError(ERROR_FILE_NOT_FOUND);
2460 if (lpszLocalFileName)
2462 BOOL bFound = FALSE;
2464 if (strncmpW(lpszLocalFileName, pContainer->path, lstrlenW(pContainer->path)))
2466 ERR("path %s must begin with cache content path %s\n", debugstr_w(lpszLocalFileName), debugstr_w(pContainer->path));
2467 error = ERROR_INVALID_PARAMETER;
2471 /* skip container path prefix */
2472 lpszLocalFileName += lstrlenW(pContainer->path);
2474 WideCharToMultiByte(CP_ACP, 0, lpszLocalFileName, -1, achFile, MAX_PATH, NULL, NULL);
2475 pchLocalFileName = achFile;
2477 for (cDirectory = 0; cDirectory < pHeader->DirectoryCount; cDirectory++)
2479 if (!strncmp(pHeader->directory_data[cDirectory].filename, pchLocalFileName, DIR_LENGTH))
2488 ERR("cache directory not found in path %s\n", debugstr_w(lpszLocalFileName));
2489 error = ERROR_INVALID_PARAMETER;
2493 lpszLocalFileName += (DIR_LENGTH + 1); /* "1234WXYZ\" */
2496 dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + strlen(lpszUrlNameA) + 1);
2497 if (lpszLocalFileName)
2499 len = WideCharToMultiByte(CP_ACP, 0, lpszUrlName, -1, NULL, 0, NULL, NULL);
2500 dwOffsetLocalFileName = dwBytesNeeded;
2501 dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + strlen(pchLocalFileName) + 1);
2505 dwOffsetHeader = dwBytesNeeded;
2506 dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + dwHeaderSize);
2508 if (lpszFileExtensionA)
2510 dwOffsetFileExtension = dwBytesNeeded;
2511 dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + strlen(lpszFileExtensionA) + 1);
2514 /* round up to next block */
2515 if (dwBytesNeeded % BLOCKSIZE)
2517 dwBytesNeeded -= dwBytesNeeded % BLOCKSIZE;
2518 dwBytesNeeded += BLOCKSIZE;
2521 if (!URLCache_FindFirstFreeEntry(pHeader, dwBytesNeeded / BLOCKSIZE, &pEntry))
2523 ERR("no free entries\n");
2524 error = ERROR_DISK_FULL;
2528 /* FindFirstFreeEntry fills in blocks used */
2529 pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry;
2530 pUrlEntry->CacheFileEntry.dwSignature = URL_SIGNATURE;
2531 pUrlEntry->CacheDir = cDirectory;
2532 pUrlEntry->CacheEntryType = CacheEntryType;
2533 pUrlEntry->dwHeaderInfoSize = dwHeaderSize;
2534 pUrlEntry->dwExemptDelta = 0;
2535 pUrlEntry->dwHitRate = 0;
2536 pUrlEntry->dwOffsetFileExtension = dwOffsetFileExtension;
2537 pUrlEntry->dwOffsetHeaderInfo = dwOffsetHeader;
2538 pUrlEntry->dwOffsetLocalName = dwOffsetLocalFileName;
2539 pUrlEntry->dwOffsetUrl = DWORD_ALIGN(sizeof(*pUrlEntry));
2540 pUrlEntry->dwSizeHigh = 0;
2541 pUrlEntry->dwSizeLow = dwFileSizeLow;
2542 pUrlEntry->dwSizeHigh = dwFileSizeHigh;
2543 pUrlEntry->dwUseCount = 0;
2544 GetSystemTimeAsFileTime(&pUrlEntry->LastAccessTime);
2545 pUrlEntry->LastModifiedTime = LastModifiedTime;
2546 FileTimeToDosDateTime(&pUrlEntry->LastAccessTime, &pUrlEntry->wLastSyncDate, &pUrlEntry->wLastSyncTime);
2547 FileTimeToDosDateTime(&ExpireTime, &pUrlEntry->wExpiredDate, &pUrlEntry->wExpiredTime);
2548 pUrlEntry->wUnknownDate = pUrlEntry->wLastSyncDate;
2549 pUrlEntry->wUnknownTime = pUrlEntry->wLastSyncTime;
2552 pUrlEntry->dwUnknown1 = 0;
2553 pUrlEntry->dwUnknown2 = 0;
2554 pUrlEntry->dwUnknown3 = 0x60;
2555 pUrlEntry->Unknown4 = 0;
2556 pUrlEntry->wUnknown5 = 0x1010;
2557 pUrlEntry->dwUnknown7 = 0;
2558 pUrlEntry->dwUnknown8 = 0;
2561 strcpy((LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl, lpszUrlNameA);
2562 if (dwOffsetLocalFileName)
2563 strcpy((LPSTR)((LPBYTE)pUrlEntry + dwOffsetLocalFileName), pchLocalFileName + DIR_LENGTH + 1);
2565 memcpy((LPBYTE)pUrlEntry + dwOffsetHeader, lpHeaderInfo, dwHeaderSize);
2566 if (dwOffsetFileExtension)
2567 strcpy((LPSTR)((LPBYTE)pUrlEntry + dwOffsetFileExtension), lpszFileExtensionA);
2569 error = URLCache_AddEntryToHash(pHeader, lpszUrlNameA,
2570 (DWORD)((LPBYTE)pUrlEntry - (LPBYTE)pHeader));
2571 if (error != ERROR_SUCCESS)
2572 URLCache_DeleteEntry(pHeader, &pUrlEntry->CacheFileEntry);
2575 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2576 HeapFree(GetProcessHeap(), 0, lpszUrlNameA);
2577 HeapFree(GetProcessHeap(), 0, lpszFileExtensionA);
2579 if (error == ERROR_SUCCESS)
2583 SetLastError(error);
2588 /***********************************************************************
2589 * CommitUrlCacheEntryA (WININET.@)
2592 BOOL WINAPI CommitUrlCacheEntryA(
2593 IN LPCSTR lpszUrlName,
2594 IN LPCSTR lpszLocalFileName,
2595 IN FILETIME ExpireTime,
2596 IN FILETIME LastModifiedTime,
2597 IN DWORD CacheEntryType,
2598 IN LPBYTE lpHeaderInfo,
2599 IN DWORD dwHeaderSize,
2600 IN LPCSTR lpszFileExtension,
2601 IN LPCSTR lpszOriginalUrl
2605 WCHAR *url_name = NULL;
2606 WCHAR *local_file_name = NULL;
2607 WCHAR *original_url = NULL;
2608 WCHAR *file_extension = NULL;
2609 BOOL bSuccess = FALSE;
2611 TRACE("(%s, %s, ..., ..., %x, %p, %d, %s, %s)\n",
2612 debugstr_a(lpszUrlName),
2613 debugstr_a(lpszLocalFileName),
2617 debugstr_a(lpszFileExtension),
2618 debugstr_a(lpszOriginalUrl));
2620 len = MultiByteToWideChar(CP_ACP, 0, lpszUrlName, -1, NULL, 0);
2621 url_name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
2624 MultiByteToWideChar(CP_ACP, 0, lpszUrlName, -1, url_name, len);
2626 if (lpszLocalFileName)
2628 len = MultiByteToWideChar(CP_ACP, 0, lpszLocalFileName, -1, NULL, 0);
2629 local_file_name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
2630 if (!local_file_name)
2632 MultiByteToWideChar(CP_ACP, 0, lpszLocalFileName, -1, local_file_name, len);
2634 if (lpszFileExtension)
2636 len = MultiByteToWideChar(CP_ACP, 0, lpszFileExtension, -1, NULL, 0);
2637 file_extension = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
2638 if (!file_extension)
2640 MultiByteToWideChar(CP_ACP, 0, lpszFileExtension, -1, file_extension, len);
2642 if (lpszOriginalUrl)
2644 len = MultiByteToWideChar(CP_ACP, 0, lpszOriginalUrl, -1, NULL, 0);
2645 original_url = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
2648 MultiByteToWideChar(CP_ACP, 0, lpszOriginalUrl, -1, original_url, len);
2651 bSuccess = CommitUrlCacheEntryInternal(url_name, local_file_name, ExpireTime, LastModifiedTime,
2652 CacheEntryType, lpHeaderInfo, dwHeaderSize,
2653 file_extension, original_url);
2656 HeapFree(GetProcessHeap(), 0, original_url);
2657 HeapFree(GetProcessHeap(), 0, file_extension);
2658 HeapFree(GetProcessHeap(), 0, local_file_name);
2659 HeapFree(GetProcessHeap(), 0, url_name);
2664 /***********************************************************************
2665 * CommitUrlCacheEntryW (WININET.@)
2668 BOOL WINAPI CommitUrlCacheEntryW(
2669 IN LPCWSTR lpszUrlName,
2670 IN LPCWSTR lpszLocalFileName,
2671 IN FILETIME ExpireTime,
2672 IN FILETIME LastModifiedTime,
2673 IN DWORD CacheEntryType,
2674 IN LPWSTR lpHeaderInfo,
2675 IN DWORD dwHeaderSize,
2676 IN LPCWSTR lpszFileExtension,
2677 IN LPCWSTR lpszOriginalUrl
2681 BOOL bSuccess = FALSE;
2683 CHAR *header_info = NULL;
2685 TRACE("(%s, %s, ..., ..., %x, %p, %d, %s, %s)\n",
2686 debugstr_w(lpszUrlName),
2687 debugstr_w(lpszLocalFileName),
2691 debugstr_w(lpszFileExtension),
2692 debugstr_w(lpszOriginalUrl));
2694 if (!lpHeaderInfo ||
2695 ((len = WideCharToMultiByte(CP_ACP, 0, lpHeaderInfo, -1, NULL, 0, NULL, NULL)) != 0 &&
2696 (header_info = HeapAlloc(GetProcessHeap(), 0, sizeof(CHAR) * len)) != 0))
2699 WideCharToMultiByte(CP_ACP, 0, lpHeaderInfo, -1, header_info, len, NULL, NULL);
2700 if (CommitUrlCacheEntryInternal(lpszUrlName, lpszLocalFileName, ExpireTime, LastModifiedTime,
2701 CacheEntryType, (LPBYTE)header_info, len, lpszFileExtension, lpszOriginalUrl))
2707 dwError = GetLastError();
2711 HeapFree(GetProcessHeap(), 0, header_info);
2713 SetLastError(dwError);
2719 /***********************************************************************
2720 * ReadUrlCacheEntryStream (WININET.@)
2723 BOOL WINAPI ReadUrlCacheEntryStream(
2724 IN HANDLE hUrlCacheStream,
2725 IN DWORD dwLocation,
2726 IN OUT LPVOID lpBuffer,
2727 IN OUT LPDWORD lpdwLen,
2731 /* Get handle to file from 'stream' */
2732 STREAM_HANDLE * pStream = (STREAM_HANDLE *)hUrlCacheStream;
2734 if (dwReserved != 0)
2736 ERR("dwReserved != 0\n");
2737 SetLastError(ERROR_INVALID_PARAMETER);
2741 if (IsBadReadPtr(pStream, sizeof(*pStream)) || IsBadStringPtrA(pStream->lpszUrl, INTERNET_MAX_URL_LENGTH))
2743 SetLastError(ERROR_INVALID_HANDLE);
2747 if (SetFilePointer(pStream->hFile, dwLocation, NULL, FILE_CURRENT) == INVALID_SET_FILE_POINTER)
2749 return ReadFile(pStream->hFile, lpBuffer, *lpdwLen, lpdwLen, NULL);
2752 /***********************************************************************
2753 * RetrieveUrlCacheEntryStreamA (WININET.@)
2756 HANDLE WINAPI RetrieveUrlCacheEntryStreamA(
2757 IN LPCSTR lpszUrlName,
2758 OUT LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo,
2759 IN OUT LPDWORD lpdwCacheEntryInfoBufferSize,
2760 IN BOOL fRandomRead,
2764 /* NOTE: this is not the same as the way that the native
2765 * version allocates 'stream' handles. I did it this way
2766 * as it is much easier and no applications should depend
2767 * on this behaviour. (Native version appears to allocate
2768 * indices into a table)
2770 STREAM_HANDLE * pStream;
2773 TRACE( "(%s, %p, %p, %x, 0x%08x)\n", debugstr_a(lpszUrlName), lpCacheEntryInfo,
2774 lpdwCacheEntryInfoBufferSize, fRandomRead, dwReserved );
2776 if (!RetrieveUrlCacheEntryFileA(lpszUrlName,
2778 lpdwCacheEntryInfoBufferSize,
2784 hFile = CreateFileA(lpCacheEntryInfo->lpszLocalFileName,
2789 fRandomRead ? FILE_FLAG_RANDOM_ACCESS : 0,
2791 if (hFile == INVALID_HANDLE_VALUE)
2794 /* allocate handle storage space */
2795 pStream = HeapAlloc(GetProcessHeap(), 0, sizeof(STREAM_HANDLE) + strlen(lpszUrlName) * sizeof(CHAR));
2799 SetLastError(ERROR_OUTOFMEMORY);
2803 pStream->hFile = hFile;
2804 strcpy(pStream->lpszUrl, lpszUrlName);
2808 /***********************************************************************
2809 * RetrieveUrlCacheEntryStreamW (WININET.@)
2812 HANDLE WINAPI RetrieveUrlCacheEntryStreamW(
2813 IN LPCWSTR lpszUrlName,
2814 OUT LPINTERNET_CACHE_ENTRY_INFOW lpCacheEntryInfo,
2815 IN OUT LPDWORD lpdwCacheEntryInfoBufferSize,
2816 IN BOOL fRandomRead,
2820 FIXME( "(%s, %p, %p, %x, 0x%08x)\n", debugstr_w(lpszUrlName), lpCacheEntryInfo,
2821 lpdwCacheEntryInfoBufferSize, fRandomRead, dwReserved );
2825 /***********************************************************************
2826 * UnlockUrlCacheEntryStream (WININET.@)
2829 BOOL WINAPI UnlockUrlCacheEntryStream(
2830 IN HANDLE hUrlCacheStream,
2834 STREAM_HANDLE * pStream = (STREAM_HANDLE *)hUrlCacheStream;
2836 if (dwReserved != 0)
2838 ERR("dwReserved != 0\n");
2839 SetLastError(ERROR_INVALID_PARAMETER);
2843 if (IsBadReadPtr(pStream, sizeof(*pStream)) || IsBadStringPtrA(pStream->lpszUrl, INTERNET_MAX_URL_LENGTH))
2845 SetLastError(ERROR_INVALID_HANDLE);
2849 if (!UnlockUrlCacheEntryFileA(pStream->lpszUrl, 0))
2852 /* close file handle */
2853 CloseHandle(pStream->hFile);
2855 /* free allocated space */
2856 HeapFree(GetProcessHeap(), 0, pStream);
2862 /***********************************************************************
2863 * DeleteUrlCacheEntryA (WININET.@)
2866 BOOL WINAPI DeleteUrlCacheEntryA(LPCSTR lpszUrlName)
2868 URLCACHECONTAINER * pContainer;
2869 LPURLCACHE_HEADER pHeader;
2870 struct _HASH_ENTRY * pHashEntry;
2871 CACHEFILE_ENTRY * pEntry;
2874 TRACE("(%s)\n", debugstr_a(lpszUrlName));
2876 error = URLCacheContainers_FindContainerA(lpszUrlName, &pContainer);
2877 if (error != ERROR_SUCCESS)
2879 SetLastError(error);
2883 error = URLCacheContainer_OpenIndex(pContainer);
2884 if (error != ERROR_SUCCESS)
2886 SetLastError(error);
2890 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
2893 if (!URLCache_FindHash(pHeader, lpszUrlName, &pHashEntry))
2895 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2896 TRACE("entry %s not found!\n", lpszUrlName);
2897 SetLastError(ERROR_FILE_NOT_FOUND);
2901 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
2902 URLCache_DeleteEntry(pHeader, pEntry);
2904 URLCache_DeleteEntryFromHash(pHashEntry);
2906 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2911 /***********************************************************************
2912 * DeleteUrlCacheEntryW (WININET.@)
2915 BOOL WINAPI DeleteUrlCacheEntryW(LPCWSTR lpszUrlName)
2917 URLCACHECONTAINER * pContainer;
2918 LPURLCACHE_HEADER pHeader;
2919 struct _HASH_ENTRY * pHashEntry;
2920 CACHEFILE_ENTRY * pEntry;
2925 TRACE("(%s)\n", debugstr_w(lpszUrlName));
2927 url_len = WideCharToMultiByte(CP_ACP, 0, lpszUrlName, -1, NULL, 0, NULL, NULL);
2928 urlA = HeapAlloc(GetProcessHeap(), 0, url_len * sizeof(CHAR));
2931 SetLastError(ERROR_OUTOFMEMORY);
2934 WideCharToMultiByte(CP_ACP, 0, lpszUrlName, -1, urlA, url_len, NULL, NULL);
2936 error = URLCacheContainers_FindContainerW(lpszUrlName, &pContainer);
2937 if (error != ERROR_SUCCESS)
2939 HeapFree(GetProcessHeap(), 0, urlA);
2940 SetLastError(error);
2944 error = URLCacheContainer_OpenIndex(pContainer);
2945 if (error != ERROR_SUCCESS)
2947 HeapFree(GetProcessHeap(), 0, urlA);
2948 SetLastError(error);
2952 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
2954 HeapFree(GetProcessHeap(), 0, urlA);
2958 if (!URLCache_FindHash(pHeader, urlA, &pHashEntry))
2960 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2961 TRACE("entry %s not found!\n", debugstr_a(urlA));
2962 HeapFree(GetProcessHeap(), 0, urlA);
2963 SetLastError(ERROR_FILE_NOT_FOUND);
2967 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
2968 URLCache_DeleteEntry(pHeader, pEntry);
2970 URLCache_DeleteEntryFromHash(pHashEntry);
2972 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2974 HeapFree(GetProcessHeap(), 0, urlA);
2978 BOOL WINAPI DeleteUrlCacheContainerA(DWORD d1, DWORD d2)
2980 FIXME("(0x%08x, 0x%08x) stub\n", d1, d2);
2984 BOOL WINAPI DeleteUrlCacheContainerW(DWORD d1, DWORD d2)
2986 FIXME("(0x%08x, 0x%08x) stub\n", d1, d2);
2990 /***********************************************************************
2991 * CreateCacheContainerA (WININET.@)
2993 BOOL WINAPI CreateUrlCacheContainerA(DWORD d1, DWORD d2, DWORD d3, DWORD d4,
2994 DWORD d5, DWORD d6, DWORD d7, DWORD d8)
2996 FIXME("(0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x) stub\n",
2997 d1, d2, d3, d4, d5, d6, d7, d8);
3001 /***********************************************************************
3002 * CreateCacheContainerW (WININET.@)
3004 BOOL WINAPI CreateUrlCacheContainerW(DWORD d1, DWORD d2, DWORD d3, DWORD d4,
3005 DWORD d5, DWORD d6, DWORD d7, DWORD d8)
3007 FIXME("(0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x) stub\n",
3008 d1, d2, d3, d4, d5, d6, d7, d8);
3012 /***********************************************************************
3013 * FindFirstUrlCacheContainerA (WININET.@)
3015 HANDLE WINAPI FindFirstUrlCacheContainerA( LPVOID p1, LPVOID p2, LPVOID p3, DWORD d1 )
3017 FIXME("(%p, %p, %p, 0x%08x) stub\n", p1, p2, p3, d1 );
3021 /***********************************************************************
3022 * FindFirstUrlCacheContainerW (WININET.@)
3024 HANDLE WINAPI FindFirstUrlCacheContainerW( LPVOID p1, LPVOID p2, LPVOID p3, DWORD d1 )
3026 FIXME("(%p, %p, %p, 0x%08x) stub\n", p1, p2, p3, d1 );
3030 /***********************************************************************
3031 * FindNextUrlCacheContainerA (WININET.@)
3033 BOOL WINAPI FindNextUrlCacheContainerA( HANDLE handle, LPVOID p1, LPVOID p2 )
3035 FIXME("(%p, %p, %p) stub\n", handle, p1, p2 );
3039 /***********************************************************************
3040 * FindNextUrlCacheContainerW (WININET.@)
3042 BOOL WINAPI FindNextUrlCacheContainerW( HANDLE handle, LPVOID p1, LPVOID p2 )
3044 FIXME("(%p, %p, %p) stub\n", handle, p1, p2 );
3048 HANDLE WINAPI FindFirstUrlCacheEntryExA(
3049 LPCSTR lpszUrlSearchPattern,
3053 LPINTERNET_CACHE_ENTRY_INFOA lpFirstCacheEntryInfo,
3054 LPDWORD lpdwFirstCacheEntryInfoBufferSize,
3056 LPDWORD pcbReserved2,
3060 FIXME("(%s, 0x%08x, 0x%08x, 0x%08x%08x, %p, %p, %p, %p, %p) stub\n", debugstr_a(lpszUrlSearchPattern),
3061 dwFlags, dwFilter, (ULONG)(GroupId >> 32), (ULONG)GroupId, lpFirstCacheEntryInfo,
3062 lpdwFirstCacheEntryInfoBufferSize, lpReserved, pcbReserved2,lpReserved3);
3063 SetLastError(ERROR_FILE_NOT_FOUND);
3067 HANDLE WINAPI FindFirstUrlCacheEntryExW(
3068 LPCWSTR lpszUrlSearchPattern,
3072 LPINTERNET_CACHE_ENTRY_INFOW lpFirstCacheEntryInfo,
3073 LPDWORD lpdwFirstCacheEntryInfoBufferSize,
3075 LPDWORD pcbReserved2,
3079 FIXME("(%s, 0x%08x, 0x%08x, 0x%08x%08x, %p, %p, %p, %p, %p) stub\n", debugstr_w(lpszUrlSearchPattern),
3080 dwFlags, dwFilter, (ULONG)(GroupId >> 32), (ULONG)GroupId, lpFirstCacheEntryInfo,
3081 lpdwFirstCacheEntryInfoBufferSize, lpReserved, pcbReserved2,lpReserved3);
3082 SetLastError(ERROR_FILE_NOT_FOUND);
3086 #define URLCACHE_FIND_ENTRY_HANDLE_MAGIC 0xF389ABCD
3088 typedef struct URLCacheFindEntryHandle
3091 LPWSTR lpszUrlSearchPattern;
3092 DWORD dwContainerIndex;
3093 DWORD dwHashTableIndex;
3094 DWORD dwHashEntryIndex;
3095 } URLCacheFindEntryHandle;
3097 /***********************************************************************
3098 * FindFirstUrlCacheEntryA (WININET.@)
3101 INTERNETAPI HANDLE WINAPI FindFirstUrlCacheEntryA(LPCSTR lpszUrlSearchPattern,
3102 LPINTERNET_CACHE_ENTRY_INFOA lpFirstCacheEntryInfo, LPDWORD lpdwFirstCacheEntryInfoBufferSize)
3104 URLCacheFindEntryHandle *pEntryHandle;
3106 TRACE("(%s, %p, %p)\n", debugstr_a(lpszUrlSearchPattern), lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize);
3108 pEntryHandle = HeapAlloc(GetProcessHeap(), 0, sizeof(*pEntryHandle));
3112 pEntryHandle->dwMagic = URLCACHE_FIND_ENTRY_HANDLE_MAGIC;
3113 if (lpszUrlSearchPattern)
3115 int len = MultiByteToWideChar(CP_ACP, 0, lpszUrlSearchPattern, -1, NULL, 0);
3116 pEntryHandle->lpszUrlSearchPattern = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
3117 if (!pEntryHandle->lpszUrlSearchPattern)
3119 HeapFree(GetProcessHeap(), 0, pEntryHandle);
3122 MultiByteToWideChar(CP_ACP, 0, lpszUrlSearchPattern, -1, pEntryHandle->lpszUrlSearchPattern, len);
3125 pEntryHandle->lpszUrlSearchPattern = NULL;
3126 pEntryHandle->dwContainerIndex = 0;
3127 pEntryHandle->dwHashTableIndex = 0;
3128 pEntryHandle->dwHashEntryIndex = 0;
3130 if (!FindNextUrlCacheEntryA(pEntryHandle, lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize))
3132 HeapFree(GetProcessHeap(), 0, pEntryHandle);
3135 return pEntryHandle;
3138 /***********************************************************************
3139 * FindFirstUrlCacheEntryW (WININET.@)
3142 INTERNETAPI HANDLE WINAPI FindFirstUrlCacheEntryW(LPCWSTR lpszUrlSearchPattern,
3143 LPINTERNET_CACHE_ENTRY_INFOW lpFirstCacheEntryInfo, LPDWORD lpdwFirstCacheEntryInfoBufferSize)
3145 URLCacheFindEntryHandle *pEntryHandle;
3147 TRACE("(%s, %p, %p)\n", debugstr_w(lpszUrlSearchPattern), lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize);
3149 pEntryHandle = HeapAlloc(GetProcessHeap(), 0, sizeof(*pEntryHandle));
3153 pEntryHandle->dwMagic = URLCACHE_FIND_ENTRY_HANDLE_MAGIC;
3154 if (lpszUrlSearchPattern)
3156 int len = strlenW(lpszUrlSearchPattern);
3157 pEntryHandle->lpszUrlSearchPattern = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
3158 if (!pEntryHandle->lpszUrlSearchPattern)
3160 HeapFree(GetProcessHeap(), 0, pEntryHandle);
3163 memcpy(pEntryHandle->lpszUrlSearchPattern, lpszUrlSearchPattern, (len + 1) * sizeof(WCHAR));
3166 pEntryHandle->lpszUrlSearchPattern = NULL;
3167 pEntryHandle->dwContainerIndex = 0;
3168 pEntryHandle->dwHashTableIndex = 0;
3169 pEntryHandle->dwHashEntryIndex = 0;
3171 if (!FindNextUrlCacheEntryW(pEntryHandle, lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize))
3173 HeapFree(GetProcessHeap(), 0, pEntryHandle);
3176 return pEntryHandle;
3179 /***********************************************************************
3180 * FindNextUrlCacheEntryA (WININET.@)
3182 BOOL WINAPI FindNextUrlCacheEntryA(
3184 LPINTERNET_CACHE_ENTRY_INFOA lpNextCacheEntryInfo,
3185 LPDWORD lpdwNextCacheEntryInfoBufferSize)
3187 URLCacheFindEntryHandle *pEntryHandle = (URLCacheFindEntryHandle *)hEnumHandle;
3188 URLCACHECONTAINER * pContainer;
3190 TRACE("(%p, %p, %p)\n", hEnumHandle, lpNextCacheEntryInfo, lpdwNextCacheEntryInfoBufferSize);
3192 if (pEntryHandle->dwMagic != URLCACHE_FIND_ENTRY_HANDLE_MAGIC)
3194 SetLastError(ERROR_INVALID_HANDLE);
3198 for (; URLCacheContainers_Enum(pEntryHandle->lpszUrlSearchPattern, pEntryHandle->dwContainerIndex, &pContainer);
3199 pEntryHandle->dwContainerIndex++, pEntryHandle->dwHashTableIndex = 0)
3201 LPURLCACHE_HEADER pHeader;
3202 HASH_CACHEFILE_ENTRY *pHashTableEntry;
3205 error = URLCacheContainer_OpenIndex(pContainer);
3206 if (error != ERROR_SUCCESS)
3208 SetLastError(error);
3212 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
3215 for (; URLCache_EnumHashTables(pHeader, &pEntryHandle->dwHashTableIndex, &pHashTableEntry);
3216 pEntryHandle->dwHashTableIndex++, pEntryHandle->dwHashEntryIndex = 0)
3218 const struct _HASH_ENTRY *pHashEntry = NULL;
3219 for (; URLCache_EnumHashTableEntries(pHeader, pHashTableEntry, &pEntryHandle->dwHashEntryIndex, &pHashEntry);
3220 pEntryHandle->dwHashEntryIndex++)
3222 const URL_CACHEFILE_ENTRY *pUrlEntry;
3223 const CACHEFILE_ENTRY *pEntry = (const CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
3225 if (pEntry->dwSignature != URL_SIGNATURE)
3228 pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry;
3229 TRACE("Found URL: %s\n", (LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl);
3230 TRACE("Header info: %s\n", (LPBYTE)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo);
3232 error = URLCache_CopyEntry(
3235 lpNextCacheEntryInfo,
3236 lpdwNextCacheEntryInfoBufferSize,
3238 FALSE /* not UNICODE */);
3239 if (error != ERROR_SUCCESS)
3241 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3242 SetLastError(error);
3245 TRACE("Local File Name: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName));
3247 /* increment the current index so that next time the function
3248 * is called the next entry is returned */
3249 pEntryHandle->dwHashEntryIndex++;
3250 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3255 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3258 SetLastError(ERROR_NO_MORE_ITEMS);
3262 /***********************************************************************
3263 * FindNextUrlCacheEntryW (WININET.@)
3265 BOOL WINAPI FindNextUrlCacheEntryW(
3267 LPINTERNET_CACHE_ENTRY_INFOW lpNextCacheEntryInfo,
3268 LPDWORD lpdwNextCacheEntryInfoBufferSize
3271 FIXME("(%p, %p, %p) stub\n", hEnumHandle, lpNextCacheEntryInfo, lpdwNextCacheEntryInfoBufferSize);
3272 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
3276 /***********************************************************************
3277 * FindCloseUrlCache (WININET.@)
3279 BOOL WINAPI FindCloseUrlCache(HANDLE hEnumHandle)
3281 URLCacheFindEntryHandle *pEntryHandle = (URLCacheFindEntryHandle *)hEnumHandle;
3283 TRACE("(%p)\n", hEnumHandle);
3285 if (!pEntryHandle || pEntryHandle->dwMagic != URLCACHE_FIND_ENTRY_HANDLE_MAGIC)
3287 SetLastError(ERROR_INVALID_HANDLE);
3291 pEntryHandle->dwMagic = 0;
3292 HeapFree(GetProcessHeap(), 0, pEntryHandle->lpszUrlSearchPattern);
3293 HeapFree(GetProcessHeap(), 0, pEntryHandle);
3298 HANDLE WINAPI FindFirstUrlCacheGroup( DWORD dwFlags, DWORD dwFilter, LPVOID lpSearchCondition,
3299 DWORD dwSearchCondition, GROUPID* lpGroupId, LPVOID lpReserved )
3301 FIXME("(0x%08x, 0x%08x, %p, 0x%08x, %p, %p) stub\n", dwFlags, dwFilter, lpSearchCondition,
3302 dwSearchCondition, lpGroupId, lpReserved);
3306 BOOL WINAPI FindNextUrlCacheEntryExA(
3308 LPINTERNET_CACHE_ENTRY_INFOA lpFirstCacheEntryInfo,
3309 LPDWORD lpdwFirstCacheEntryInfoBufferSize,
3311 LPDWORD pcbReserved2,
3315 FIXME("(%p, %p, %p, %p, %p, %p) stub\n", hEnumHandle, lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize,
3316 lpReserved, pcbReserved2, lpReserved3);
3320 BOOL WINAPI FindNextUrlCacheEntryExW(
3322 LPINTERNET_CACHE_ENTRY_INFOW lpFirstCacheEntryInfo,
3323 LPDWORD lpdwFirstCacheEntryInfoBufferSize,
3325 LPDWORD pcbReserved2,
3329 FIXME("(%p, %p, %p, %p, %p, %p) stub\n", hEnumHandle, lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize,
3330 lpReserved, pcbReserved2, lpReserved3);
3334 BOOL WINAPI FindNextUrlCacheGroup( HANDLE hFind, GROUPID* lpGroupId, LPVOID lpReserved )
3336 FIXME("(%p, %p, %p) stub\n", hFind, lpGroupId, lpReserved);
3340 /***********************************************************************
3341 * CreateUrlCacheGroup (WININET.@)
3344 INTERNETAPI GROUPID WINAPI CreateUrlCacheGroup(DWORD dwFlags, LPVOID lpReserved)
3346 FIXME("(0x%08x, %p): stub\n", dwFlags, lpReserved);
3350 /***********************************************************************
3351 * DeleteUrlCacheGroup (WININET.@)
3354 BOOL WINAPI DeleteUrlCacheGroup(GROUPID GroupId, DWORD dwFlags, LPVOID lpReserved)
3356 FIXME("(0x%08x%08x, 0x%08x, %p) stub\n",
3357 (ULONG)(GroupId >> 32), (ULONG)GroupId, dwFlags, lpReserved);
3361 /***********************************************************************
3362 * SetUrlCacheEntryGroupA (WININET.@)
3365 BOOL WINAPI SetUrlCacheEntryGroupA(LPCSTR lpszUrlName, DWORD dwFlags,
3366 GROUPID GroupId, LPBYTE pbGroupAttributes, DWORD cbGroupAttributes,
3369 FIXME("(%s, 0x%08x, 0x%08x%08x, %p, 0x%08x, %p) stub\n",
3370 debugstr_a(lpszUrlName), dwFlags, (ULONG)(GroupId >> 32), (ULONG)GroupId,
3371 pbGroupAttributes, cbGroupAttributes, lpReserved);
3372 SetLastError(ERROR_FILE_NOT_FOUND);
3376 /***********************************************************************
3377 * SetUrlCacheEntryGroupW (WININET.@)
3380 BOOL WINAPI SetUrlCacheEntryGroupW(LPCWSTR lpszUrlName, DWORD dwFlags,
3381 GROUPID GroupId, LPBYTE pbGroupAttributes, DWORD cbGroupAttributes,
3384 FIXME("(%s, 0x%08x, 0x%08x%08x, %p, 0x%08x, %p) stub\n",
3385 debugstr_w(lpszUrlName), dwFlags, (ULONG)(GroupId >> 32), (ULONG)GroupId,
3386 pbGroupAttributes, cbGroupAttributes, lpReserved);
3387 SetLastError(ERROR_FILE_NOT_FOUND);
3391 /***********************************************************************
3392 * GetUrlCacheConfigInfoW (WININET.@)
3394 BOOL WINAPI GetUrlCacheConfigInfoW(LPINTERNET_CACHE_CONFIG_INFOW CacheInfo, LPDWORD size, DWORD bitmask)
3396 FIXME("(%p, %p, %x)\n", CacheInfo, size, bitmask);
3397 INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
3401 /***********************************************************************
3402 * GetUrlCacheConfigInfoA (WININET.@)
3404 * CacheInfo is some CACHE_CONFIG_INFO structure, with no MS info found by google
3406 BOOL WINAPI GetUrlCacheConfigInfoA(LPINTERNET_CACHE_CONFIG_INFOA CacheInfo, LPDWORD size, DWORD bitmask)
3408 FIXME("(%p, %p, %x)\n", CacheInfo, size, bitmask);
3409 INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
3413 BOOL WINAPI GetUrlCacheGroupAttributeA( GROUPID gid, DWORD dwFlags, DWORD dwAttributes,
3414 LPINTERNET_CACHE_GROUP_INFOA lpGroupInfo,
3415 LPDWORD lpdwGroupInfo, LPVOID lpReserved )
3417 FIXME("(0x%08x%08x, 0x%08x, 0x%08x, %p, %p, %p) stub\n",
3418 (ULONG)(gid >> 32), (ULONG)gid, dwFlags, dwAttributes, lpGroupInfo,
3419 lpdwGroupInfo, lpReserved);
3423 BOOL WINAPI GetUrlCacheGroupAttributeW( GROUPID gid, DWORD dwFlags, DWORD dwAttributes,
3424 LPINTERNET_CACHE_GROUP_INFOW lpGroupInfo,
3425 LPDWORD lpdwGroupInfo, LPVOID lpReserved )
3427 FIXME("(0x%08x%08x, 0x%08x, 0x%08x, %p, %p, %p) stub\n",
3428 (ULONG)(gid >> 32), (ULONG)gid, dwFlags, dwAttributes, lpGroupInfo,
3429 lpdwGroupInfo, lpReserved);
3433 BOOL WINAPI SetUrlCacheGroupAttributeA( GROUPID gid, DWORD dwFlags, DWORD dwAttributes,
3434 LPINTERNET_CACHE_GROUP_INFOA lpGroupInfo, LPVOID lpReserved )
3436 FIXME("(0x%08x%08x, 0x%08x, 0x%08x, %p, %p) stub\n",
3437 (ULONG)(gid >> 32), (ULONG)gid, dwFlags, dwAttributes, lpGroupInfo, lpReserved);
3441 BOOL WINAPI SetUrlCacheGroupAttributeW( GROUPID gid, DWORD dwFlags, DWORD dwAttributes,
3442 LPINTERNET_CACHE_GROUP_INFOW lpGroupInfo, LPVOID lpReserved )
3444 FIXME("(0x%08x%08x, 0x%08x, 0x%08x, %p, %p) stub\n",
3445 (ULONG)(gid >> 32), (ULONG)gid, dwFlags, dwAttributes, lpGroupInfo, lpReserved);
3449 BOOL WINAPI SetUrlCacheConfigInfoA( LPINTERNET_CACHE_CONFIG_INFOA lpCacheConfigInfo, DWORD dwFieldControl )
3451 FIXME("(%p, 0x%08x) stub\n", lpCacheConfigInfo, dwFieldControl);
3455 BOOL WINAPI SetUrlCacheConfigInfoW( LPINTERNET_CACHE_CONFIG_INFOW lpCacheConfigInfo, DWORD dwFieldControl )
3457 FIXME("(%p, 0x%08x) stub\n", lpCacheConfigInfo, dwFieldControl);
3461 /***********************************************************************
3462 * DeleteIE3Cache (WININET.@)
3464 * Deletes the files used by the IE3 URL caching system.
3467 * hWnd [I] A dummy window.
3468 * hInst [I] Instance of process calling the function.
3469 * lpszCmdLine [I] Options used by function.
3470 * nCmdShow [I] The nCmdShow value to use when showing windows created, if any.
3472 DWORD WINAPI DeleteIE3Cache(HWND hWnd, HINSTANCE hInst, LPSTR lpszCmdLine, int nCmdShow)
3474 FIXME("(%p, %p, %s, %d)\n", hWnd, hInst, debugstr_a(lpszCmdLine), nCmdShow);
3478 /***********************************************************************
3479 * IsUrlCacheEntryExpiredA (WININET.@)
3483 * dwFlags [I] Unknown
3484 * pftLastModified [O] Last modified time
3486 BOOL WINAPI IsUrlCacheEntryExpiredA( LPCSTR url, DWORD dwFlags, FILETIME* pftLastModified )
3488 LPURLCACHE_HEADER pHeader;
3489 struct _HASH_ENTRY * pHashEntry;
3490 const CACHEFILE_ENTRY * pEntry;
3491 const URL_CACHEFILE_ENTRY * pUrlEntry;
3492 URLCACHECONTAINER * pContainer;
3495 TRACE("(%s, %08x, %p)\n", debugstr_a(url), dwFlags, pftLastModified);
3497 error = URLCacheContainers_FindContainerA(url, &pContainer);
3498 if (error != ERROR_SUCCESS)
3500 SetLastError(error);
3504 error = URLCacheContainer_OpenIndex(pContainer);
3505 if (error != ERROR_SUCCESS)
3507 SetLastError(error);
3511 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
3514 if (!URLCache_FindHash(pHeader, url, &pHashEntry))
3516 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3517 TRACE("entry %s not found!\n", url);
3518 SetLastError(ERROR_FILE_NOT_FOUND);
3522 pEntry = (const CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
3523 if (pEntry->dwSignature != URL_SIGNATURE)
3525 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3526 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
3527 SetLastError(ERROR_FILE_NOT_FOUND);
3531 pUrlEntry = (const URL_CACHEFILE_ENTRY *)pEntry;
3533 DosDateTimeToFileTime(pUrlEntry->wExpiredDate, pUrlEntry->wExpiredTime, pftLastModified);
3535 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3540 /***********************************************************************
3541 * IsUrlCacheEntryExpiredW (WININET.@)
3545 * dwFlags [I] Unknown
3546 * pftLastModified [O] Last modified time
3548 BOOL WINAPI IsUrlCacheEntryExpiredW( LPCWSTR url, DWORD dwFlags, FILETIME* pftLastModified )
3550 LPURLCACHE_HEADER pHeader;
3551 struct _HASH_ENTRY * pHashEntry;
3552 const CACHEFILE_ENTRY * pEntry;
3553 const URL_CACHEFILE_ENTRY * pUrlEntry;
3554 URLCACHECONTAINER * pContainer;
3557 TRACE("(%s, %08x, %p)\n", debugstr_w(url), dwFlags, pftLastModified);
3559 error = URLCacheContainers_FindContainerW(url, &pContainer);
3560 if (error != ERROR_SUCCESS)
3562 SetLastError(error);
3566 error = URLCacheContainer_OpenIndex(pContainer);
3567 if (error != ERROR_SUCCESS)
3569 SetLastError(error);
3573 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
3576 if (!URLCache_FindHashW(pHeader, url, &pHashEntry))
3578 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3579 TRACE("entry %s not found!\n", debugstr_w(url));
3580 SetLastError(ERROR_FILE_NOT_FOUND);
3584 pEntry = (const CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
3585 if (pEntry->dwSignature != URL_SIGNATURE)
3587 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3588 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
3589 SetLastError(ERROR_FILE_NOT_FOUND);
3593 pUrlEntry = (const URL_CACHEFILE_ENTRY *)pEntry;
3595 DosDateTimeToFileTime(pUrlEntry->wExpiredDate, pUrlEntry->wExpiredTime, pftLastModified);
3597 URLCacheContainer_UnlockIndex(pContainer, pHeader);