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shdoclc: Remove a space before an ellipsis in the Italian translation.
[wine/hramrach.git] / dlls / wininet / urlcache.c
blob2fe488a029feea5f82b48632c010f41901d85032
1 /*
2 * Wininet - Url Cache functions
3 *
4 * Copyright 2001,2002 CodeWeavers
5 * Copyright 2003-2008 Robert Shearman
6 *
7 * Eric Kohl
8 * Aric Stewart
9 *
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.
14 *
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.
19 *
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
23 */
24
25 #include "config.h"
26 #include "wine/port.h"
27
28 #define NONAMELESSUNION
29 #define NONAMELESSSTRUCT
30
31 #if defined(__MINGW32__) || defined (_MSC_VER)
32 #include <ws2tcpip.h>
33 #endif
34
35 #include <stdarg.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <sys/types.h>
40 #ifdef HAVE_SYS_SOCKET_H
41 # include <sys/socket.h>
42 #endif
43 #include <time.h>
44
45 #include "windef.h"
46 #include "winbase.h"
47 #include "winuser.h"
48 #include "wininet.h"
49 #include "winineti.h"
50 #include "winerror.h"
51 #include "internet.h"
52 #include "winreg.h"
53 #include "shlwapi.h"
54 #include "shlobj.h"
55
56 #include "wine/unicode.h"
57 #include "wine/debug.h"
58
59 WINE_DEFAULT_DEBUG_CHANNEL(wininet);
60
61 #define ENTRY_START_OFFSET 0x4000
62 #define DIR_LENGTH 8
63 #define BLOCKSIZE 128
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)
72
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')
78
79 #define DWORD_ALIGN(x) ( (DWORD)(((DWORD)(x)+sizeof(DWORD)-1)/sizeof(DWORD))*sizeof(DWORD) )
80
81 typedef struct _CACHEFILE_ENTRY
82 {
83 /* union
84 {*/
85 DWORD dwSignature; /* e.g. "URL " */
86 /* CHAR szSignature[4];
87 };*/
88 DWORD dwBlocksUsed; /* number of 128byte blocks used by this entry */
89 } CACHEFILE_ENTRY;
90
91 typedef struct _URL_CACHEFILE_ENTRY
92 {
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;
128
129 struct _HASH_ENTRY
130 {
131 DWORD dwHashKey;
132 DWORD dwOffsetEntry;
133 };
134
135 typedef struct _HASH_CACHEFILE_ENTRY
136 {
137 CACHEFILE_ENTRY CacheFileEntry;
138 DWORD dwAddressNext;
139 DWORD dwHashTableNumber;
140 struct _HASH_ENTRY HashTable[HASHTABLE_SIZE];
141 } HASH_CACHEFILE_ENTRY;
142
143 typedef struct _DIRECTORY_DATA
144 {
145 DWORD dwUnknown;
146 char filename[DIR_LENGTH];
147 } DIRECTORY_DATA;
148
149 typedef struct _URLCACHE_HEADER
150 {
151 char szSignature[28];
152 DWORD dwFileSize;
153 DWORD dwOffsetFirstHashTable;
154 DWORD dwIndexCapacityInBlocks;
155 DWORD dwBlocksInUse;
156 DWORD dwUnknown1;
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? */
162 DWORD dwUnknown7;
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;
168
169 typedef struct _STREAM_HANDLE
170 {
171 HANDLE hFile;
172 CHAR lpszUrl[1];
173 } STREAM_HANDLE;
174
175 typedef struct _URLCACHECONTAINER
176 {
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 */
183 } URLCACHECONTAINER;
184
185
186 /* List of all containers available */
187 static struct list UrlContainers = LIST_INIT(UrlContainers);
188
189 static DWORD URLCache_CreateHashTable(LPURLCACHE_HEADER pHeader, HASH_CACHEFILE_ENTRY *pPrevHash, HASH_CACHEFILE_ENTRY **ppHash);
190
191 /***********************************************************************
192 * URLCache_PathToObjectName (Internal)
193 *
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 '!')
197 *
198 * RETURNS
199 * nothing
200 *
201 */
202 static void URLCache_PathToObjectName(LPWSTR lpszPath, WCHAR replace)
203 {
204 for (; *lpszPath; lpszPath++)
205 {
206 if (*lpszPath == '\\')
207 *lpszPath = replace;
208 }
209 }
210
211 /***********************************************************************
212 * URLCacheContainer_OpenIndex (Internal)
213 *
214 * Opens the index file and saves mapping handle in hCacheIndexMapping
215 *
216 * RETURNS
217 * ERROR_SUCCESS if succeeded
218 * Any other Win32 error code if failed
219 *
220 */
221 static DWORD URLCacheContainer_OpenIndex(URLCACHECONTAINER * pContainer)
222 {
223 HANDLE hFile;
224 WCHAR wszFilePath[MAX_PATH];
225 DWORD dwFileSize;
226
227 static const WCHAR wszIndex[] = {'i','n','d','e','x','.','d','a','t',0};
228 static const WCHAR wszMappingFormat[] = {'%','s','%','s','_','%','l','u',0};
229
230 if (pContainer->hMapping)
231 return ERROR_SUCCESS;
232
233 strcpyW(wszFilePath, pContainer->path);
234 strcatW(wszFilePath, wszIndex);
235
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)
238 {
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);
242 }
243 if (hFile == INVALID_HANDLE_VALUE)
244 {
245 TRACE("Could not open or create cache index file \"%s\"\n", debugstr_w(wszFilePath));
246 return GetLastError();
247 }
248
249 /* At this stage we need the mutex because we may be about to create the
250 * file.
251 */
252 WaitForSingleObject(pContainer->hMutex, INFINITE);
253
254 dwFileSize = GetFileSize(hFile, NULL);
255 if (dwFileSize == INVALID_FILE_SIZE)
256 {
257 ReleaseMutex(pContainer->hMutex);
258 return GetLastError();
259 }
260
261 if (dwFileSize == 0)
262 {
263 static const CHAR szCacheContent[] = "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Cache\\Content";
264 HKEY key;
265 char achZeroes[0x1000];
266 DWORD dwOffset;
267 DWORD dwError = ERROR_SUCCESS;
268
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.
271 */
272 memset(achZeroes, 0, sizeof(achZeroes));
273 for (dwOffset = 0; dwOffset < NEWFILE_SIZE; dwOffset += sizeof(achZeroes))
274 {
275 DWORD dwWrite = sizeof(achZeroes);
276 DWORD dwWritten;
277
278 if (NEWFILE_SIZE - dwOffset < dwWrite)
279 dwWrite = NEWFILE_SIZE - dwOffset;
280 if (!WriteFile(hFile, achZeroes, dwWrite, &dwWritten, 0) ||
281 dwWritten != dwWrite)
282 {
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.
286 */
287 dwError = GetLastError();
288
289 break;
290 }
291 }
292
293 if (dwError == ERROR_SUCCESS)
294 {
295 HANDLE hMapping = CreateFileMappingW(hFile, NULL, PAGE_READWRITE, 0, NEWFILE_SIZE, NULL);
296
297 if (hMapping)
298 {
299 URLCACHE_HEADER *pHeader = MapViewOfFile(hMapping, FILE_MAP_WRITE, 0, 0, NEWFILE_SIZE);
300
301 if (pHeader)
302 {
303 WCHAR *pwchDir;
304 WCHAR wszDirPath[MAX_PATH];
305 FILETIME ft;
306 int i, j;
307 HASH_CACHEFILE_ENTRY *pHashEntry;
308
309 dwFileSize = NEWFILE_SIZE;
310
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;
320
321 /* If the registry has a cache size set, use the registry value */
322 if (RegOpenKeyA(HKEY_CURRENT_USER, szCacheContent, &key) == ERROR_SUCCESS)
323 {
324 DWORD dw;
325 DWORD len = sizeof(dw);
326 DWORD keytype;
327
328 if (RegQueryValueExA(key, "CacheLimit", NULL, &keytype,
329 (BYTE *) &dw, &len) == ERROR_SUCCESS &&
330 keytype == REG_DWORD)
331 {
332 pHeader->dwCacheLimitHigh = (dw >> 22);
333 pHeader->dwCacheLimitLow = dw << 10;
334 }
335 RegCloseKey(key);
336 }
337
338 URLCache_CreateHashTable(pHeader, NULL, &pHashEntry);
339
340 /* Last step - create the directories */
341
342 strcpyW(wszDirPath, pContainer->path);
343 pwchDir = wszDirPath + strlenW(wszDirPath);
344 pwchDir[8] = 0;
345
346 GetSystemTimeAsFileTime(&ft);
347
348 for (i = 0; !dwError && i < pHeader->DirectoryCount; ++i)
349 {
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
354 */
355 pHeader->directory_data[i].dwUnknown = (i > 1) ? 0xfe : 0xff;
356 for (j = 0;; ++j)
357 {
358 int k;
359 ULONGLONG n = ft.dwHighDateTime;
360
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.
365 */
366 n <<= 32;
367 n += ft.dwLowDateTime;
368 n ^= ((ULONGLONG) i << 56) | ((ULONGLONG) j << 48);
369
370 for (k = 0; k < 8; ++k)
371 {
372 int r = (n % 36);
373
374 /* Dividing by a prime greater than 36 helps
375 * with the appearance of randomness
376 */
377 n /= 37;
378
379 if (r < 10)
380 pwchDir[k] = '0' + r;
381 else
382 pwchDir[k] = 'A' + (r - 10);
383 }
384
385 if (CreateDirectoryW(wszDirPath, 0))
386 {
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
391 */
392 for (k = 0; k < 8; ++k)
393 pHeader->directory_data[i].filename[k] = pwchDir[k];
394 break;
395 }
396 else if (j >= 255)
397 {
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
401 * we won't succeed.
402 */
403 dwError = GetLastError();
404 break;
405 }
406 }
407 }
408
409 UnmapViewOfFile(pHeader);
410 }
411 else
412 {
413 dwError = GetLastError();
414 }
415 CloseHandle(hMapping);
416 }
417 else
418 {
419 dwError = GetLastError();
420 }
421 }
422
423 if (dwError)
424 {
425 CloseHandle(hFile);
426 DeleteFileW(wszFilePath);
427 ReleaseMutex(pContainer->hMutex);
428 return dwError;
429 }
430
431 }
432
433 ReleaseMutex(pContainer->hMutex);
434
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);
440 CloseHandle(hFile);
441 if (!pContainer->hMapping)
442 {
443 ERR("Couldn't create file mapping (error is %d)\n", GetLastError());
444 return GetLastError();
445 }
446
447 return ERROR_SUCCESS;
448 }
449
450 /***********************************************************************
451 * URLCacheContainer_CloseIndex (Internal)
452 *
453 * Closes the index
454 *
455 * RETURNS
456 * nothing
457 *
458 */
459 static void URLCacheContainer_CloseIndex(URLCACHECONTAINER * pContainer)
460 {
461 CloseHandle(pContainer->hMapping);
462 pContainer->hMapping = NULL;
463 }
464
465 static BOOL URLCacheContainers_AddContainer(LPCWSTR cache_prefix, LPCWSTR path, LPWSTR mutex_name)
466 {
467 URLCACHECONTAINER * pContainer = HeapAlloc(GetProcessHeap(), 0, sizeof(URLCACHECONTAINER));
468 int cache_prefix_len = strlenW(cache_prefix);
469
470 if (!pContainer)
471 {
472 return FALSE;
473 }
474
475 pContainer->hMapping = NULL;
476 pContainer->file_size = 0;
477
478 pContainer->path = heap_strdupW(path);
479 if (!pContainer->path)
480 {
481 HeapFree(GetProcessHeap(), 0, pContainer);
482 return FALSE;
483 }
484
485 pContainer->cache_prefix = HeapAlloc(GetProcessHeap(), 0, (cache_prefix_len + 1) * sizeof(WCHAR));
486 if (!pContainer->cache_prefix)
487 {
488 HeapFree(GetProcessHeap(), 0, pContainer->path);
489 HeapFree(GetProcessHeap(), 0, pContainer);
490 return FALSE;
491 }
492
493 memcpy(pContainer->cache_prefix, cache_prefix, (cache_prefix_len + 1) * sizeof(WCHAR));
494
495 CharLowerW(mutex_name);
496 URLCache_PathToObjectName(mutex_name, '!');
497
498 if ((pContainer->hMutex = CreateMutexW(NULL, FALSE, mutex_name)) == NULL)
499 {
500 ERR("couldn't create mutex (error is %d)\n", GetLastError());
501 HeapFree(GetProcessHeap(), 0, pContainer->path);
502 HeapFree(GetProcessHeap(), 0, pContainer);
503 return FALSE;
504 }
505
506 list_add_head(&UrlContainers, &pContainer->entry);
507
508 return TRUE;
509 }
510
511 static void URLCacheContainer_DeleteContainer(URLCACHECONTAINER * pContainer)
512 {
513 list_remove(&pContainer->entry);
514
515 URLCacheContainer_CloseIndex(pContainer);
516 CloseHandle(pContainer->hMutex);
517 HeapFree(GetProcessHeap(), 0, pContainer->path);
518 HeapFree(GetProcessHeap(), 0, pContainer->cache_prefix);
519 HeapFree(GetProcessHeap(), 0, pContainer);
520 }
521
522 void URLCacheContainers_CreateDefaults(void)
523 {
524 static const WCHAR UrlSuffix[] = {'C','o','n','t','e','n','t','.','I','E','5',0};
525 static const WCHAR UrlPrefix[] = {0};
526 static const WCHAR HistorySuffix[] = {'H','i','s','t','o','r','y','.','I','E','5',0};
527 static const WCHAR HistoryPrefix[] = {'V','i','s','i','t','e','d',':',0};
528 static const WCHAR CookieSuffix[] = {0};
529 static const WCHAR CookiePrefix[] = {'C','o','o','k','i','e',':',0};
530 static const struct
531 {
532 int nFolder; /* CSIDL_* constant */
533 const WCHAR * shpath_suffix; /* suffix on path returned by SHGetSpecialFolderPath */
534 const WCHAR * cache_prefix; /* prefix used to reference the container */
535 } DefaultContainerData[] =
536 {
537 { CSIDL_INTERNET_CACHE, UrlSuffix, UrlPrefix },
538 { CSIDL_HISTORY, HistorySuffix, HistoryPrefix },
539 { CSIDL_COOKIES, CookieSuffix, CookiePrefix },
540 };
541 DWORD i;
542
543 for (i = 0; i < sizeof(DefaultContainerData) / sizeof(DefaultContainerData[0]); i++)
544 {
545 WCHAR wszCachePath[MAX_PATH];
546 WCHAR wszMutexName[MAX_PATH];
547 int path_len, suffix_len;
548
549 if (!SHGetSpecialFolderPathW(NULL, wszCachePath, DefaultContainerData[i].nFolder, TRUE))
550 {
551 ERR("Couldn't get path for default container %u\n", i);
552 continue;
553 }
554 path_len = strlenW(wszCachePath);
555 suffix_len = strlenW(DefaultContainerData[i].shpath_suffix);
556
557 if (path_len + suffix_len + 2 > MAX_PATH)
558 {
559 ERR("Path too long\n");
560 continue;
561 }
562
563 wszCachePath[path_len] = '\\';
564 wszCachePath[path_len+1] = 0;
565
566 strcpyW(wszMutexName, wszCachePath);
567
568 if (suffix_len)
569 {
570 memcpy(wszCachePath + path_len + 1, DefaultContainerData[i].shpath_suffix, (suffix_len + 1) * sizeof(WCHAR));
571 wszCachePath[path_len + suffix_len + 1] = '\\';
572 wszCachePath[path_len + suffix_len + 2] = '\0';
573 }
574
575 URLCacheContainers_AddContainer(DefaultContainerData[i].cache_prefix, wszCachePath, wszMutexName);
576 }
577 }
578
579 void URLCacheContainers_DeleteAll(void)
580 {
581 while(!list_empty(&UrlContainers))
582 URLCacheContainer_DeleteContainer(
583 LIST_ENTRY(list_head(&UrlContainers), URLCACHECONTAINER, entry)
584 );
585 }
586
587 static DWORD URLCacheContainers_FindContainerW(LPCWSTR lpwszUrl, URLCACHECONTAINER ** ppContainer)
588 {
589 URLCACHECONTAINER * pContainer;
590
591 TRACE("searching for prefix for URL: %s\n", debugstr_w(lpwszUrl));
592
593 if(!lpwszUrl)
594 return ERROR_INVALID_PARAMETER;
595
596 LIST_FOR_EACH_ENTRY(pContainer, &UrlContainers, URLCACHECONTAINER, entry)
597 {
598 int prefix_len = strlenW(pContainer->cache_prefix);
599 if (!strncmpW(pContainer->cache_prefix, lpwszUrl, prefix_len))
600 {
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;
604 }
605 }
606 ERR("no container found\n");
607 return ERROR_FILE_NOT_FOUND;
608 }
609
610 static DWORD URLCacheContainers_FindContainerA(LPCSTR lpszUrl, URLCACHECONTAINER ** ppContainer)
611 {
612 LPWSTR url = NULL;
613 DWORD ret;
614
615 if (lpszUrl && !(url = heap_strdupAtoW(lpszUrl)))
616 return ERROR_OUTOFMEMORY;
617
618 ret = URLCacheContainers_FindContainerW(url, ppContainer);
619 HeapFree(GetProcessHeap(), 0, url);
620 return ret;
621 }
622
623 static BOOL URLCacheContainers_Enum(LPCWSTR lpwszSearchPattern, DWORD dwIndex, URLCACHECONTAINER ** ppContainer)
624 {
625 DWORD i = 0;
626 URLCACHECONTAINER * pContainer;
627
628 TRACE("searching for prefix: %s\n", debugstr_w(lpwszSearchPattern));
629
630 /* non-NULL search pattern only returns one container ever */
631 if (lpwszSearchPattern && dwIndex > 0)
632 return FALSE;
633
634 LIST_FOR_EACH_ENTRY(pContainer, &UrlContainers, URLCACHECONTAINER, entry)
635 {
636 if (lpwszSearchPattern)
637 {
638 if (!strcmpW(pContainer->cache_prefix, lpwszSearchPattern))
639 {
640 TRACE("found container with prefix %s\n", debugstr_w(pContainer->cache_prefix));
641 *ppContainer = pContainer;
642 return TRUE;
643 }
644 }
645 else
646 {
647 if (i == dwIndex)
648 {
649 TRACE("found container with prefix %s\n", debugstr_w(pContainer->cache_prefix));
650 *ppContainer = pContainer;
651 return TRUE;
652 }
653 }
654 i++;
655 }
656 return FALSE;
657 }
658
659 /***********************************************************************
660 * URLCacheContainer_LockIndex (Internal)
661 *
662 * Locks the index for system-wide exclusive access.
663 *
664 * RETURNS
665 * Cache file header if successful
666 * NULL if failed and calls SetLastError.
667 */
668 static LPURLCACHE_HEADER URLCacheContainer_LockIndex(URLCACHECONTAINER * pContainer)
669 {
670 BYTE index;
671 LPVOID pIndexData;
672 URLCACHE_HEADER * pHeader;
673 DWORD error;
674
675 /* acquire mutex */
676 WaitForSingleObject(pContainer->hMutex, INFINITE);
677
678 pIndexData = MapViewOfFile(pContainer->hMapping, FILE_MAP_WRITE, 0, 0, 0);
679
680 if (!pIndexData)
681 {
682 ReleaseMutex(pContainer->hMutex);
683 ERR("Couldn't MapViewOfFile. Error: %d\n", GetLastError());
684 return NULL;
685 }
686 pHeader = (URLCACHE_HEADER *)pIndexData;
687
688 /* file has grown - we need to remap to prevent us getting
689 * access violations when we try and access beyond the end
690 * of the memory mapped file */
691 if (pHeader->dwFileSize != pContainer->file_size)
692 {
693 UnmapViewOfFile( pHeader );
694 URLCacheContainer_CloseIndex(pContainer);
695 error = URLCacheContainer_OpenIndex(pContainer);
696 if (error != ERROR_SUCCESS)
697 {
698 ReleaseMutex(pContainer->hMutex);
699 SetLastError(error);
700 return NULL;
701 }
702 pIndexData = MapViewOfFile(pContainer->hMapping, FILE_MAP_WRITE, 0, 0, 0);
703
704 if (!pIndexData)
705 {
706 ReleaseMutex(pContainer->hMutex);
707 ERR("Couldn't MapViewOfFile. Error: %d\n", GetLastError());
708 return NULL;
709 }
710 pHeader = (URLCACHE_HEADER *)pIndexData;
711 }
712
713 TRACE("Signature: %s, file size: %d bytes\n", pHeader->szSignature, pHeader->dwFileSize);
714
715 for (index = 0; index < pHeader->DirectoryCount; index++)
716 {
717 TRACE("Directory[%d] = \"%.8s\"\n", index, pHeader->directory_data[index].filename);
718 }
719
720 return pHeader;
721 }
722
723 /***********************************************************************
724 * URLCacheContainer_UnlockIndex (Internal)
725 *
726 */
727 static BOOL URLCacheContainer_UnlockIndex(URLCACHECONTAINER * pContainer, LPURLCACHE_HEADER pHeader)
728 {
729 /* release mutex */
730 ReleaseMutex(pContainer->hMutex);
731 return UnmapViewOfFile(pHeader);
732 }
733
734
735 #ifndef CHAR_BIT
736 #define CHAR_BIT (8 * sizeof(CHAR))
737 #endif
738
739 /***********************************************************************
740 * URLCache_Allocation_BlockIsFree (Internal)
741 *
742 * Is the specified block number free?
743 *
744 * RETURNS
745 * zero if free
746 * non-zero otherwise
747 *
748 */
749 static inline BYTE URLCache_Allocation_BlockIsFree(BYTE * AllocationTable, DWORD dwBlockNumber)
750 {
751 BYTE mask = 1 << (dwBlockNumber % CHAR_BIT);
752 return (AllocationTable[dwBlockNumber / CHAR_BIT] & mask) == 0;
753 }
754
755 /***********************************************************************
756 * URLCache_Allocation_BlockFree (Internal)
757 *
758 * Marks the specified block as free
759 *
760 * RETURNS
761 * nothing
762 *
763 */
764 static inline void URLCache_Allocation_BlockFree(BYTE * AllocationTable, DWORD dwBlockNumber)
765 {
766 BYTE mask = ~(1 << (dwBlockNumber % CHAR_BIT));
767 AllocationTable[dwBlockNumber / CHAR_BIT] &= mask;
768 }
769
770 /***********************************************************************
771 * URLCache_Allocation_BlockAllocate (Internal)
772 *
773 * Marks the specified block as allocated
774 *
775 * RETURNS
776 * nothing
777 *
778 */
779 static inline void URLCache_Allocation_BlockAllocate(BYTE * AllocationTable, DWORD dwBlockNumber)
780 {
781 BYTE mask = 1 << (dwBlockNumber % CHAR_BIT);
782 AllocationTable[dwBlockNumber / CHAR_BIT] |= mask;
783 }
784
785 /***********************************************************************
786 * URLCache_FindFirstFreeEntry (Internal)
787 *
788 * Finds and allocates the first block of free space big enough and
789 * sets ppEntry to point to it.
790 *
791 * RETURNS
792 * TRUE if it had enough space
793 * FALSE if it couldn't find enough space
794 *
795 */
796 static BOOL URLCache_FindFirstFreeEntry(URLCACHE_HEADER * pHeader, DWORD dwBlocksNeeded, CACHEFILE_ENTRY ** ppEntry)
797 {
798 LPBYTE AllocationTable = (LPBYTE)pHeader + ALLOCATION_TABLE_OFFSET;
799 DWORD dwBlockNumber;
800 DWORD dwFreeCounter;
801 for (dwBlockNumber = 0; dwBlockNumber < pHeader->dwIndexCapacityInBlocks; dwBlockNumber++)
802 {
803 for (dwFreeCounter = 0;
804 dwFreeCounter < dwBlocksNeeded &&
805 dwFreeCounter + dwBlockNumber < pHeader->dwIndexCapacityInBlocks &&
806 URLCache_Allocation_BlockIsFree(AllocationTable, dwBlockNumber + dwFreeCounter);
807 dwFreeCounter++)
808 TRACE("Found free block at no. %d (0x%x)\n", dwBlockNumber, ENTRY_START_OFFSET + dwBlockNumber * BLOCKSIZE);
809
810 if (dwFreeCounter == dwBlocksNeeded)
811 {
812 DWORD index;
813 TRACE("Found free blocks starting at no. %d (0x%x)\n", dwBlockNumber, ENTRY_START_OFFSET + dwBlockNumber * BLOCKSIZE);
814 for (index = 0; index < dwBlocksNeeded; index++)
815 URLCache_Allocation_BlockAllocate(AllocationTable, dwBlockNumber + index);
816 *ppEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + ENTRY_START_OFFSET + dwBlockNumber * BLOCKSIZE);
817 (*ppEntry)->dwBlocksUsed = dwBlocksNeeded;
818 return TRUE;
819 }
820 }
821 FIXME("Grow file\n");
822 return FALSE;
823 }
824
825 /***********************************************************************
826 * URLCache_DeleteEntry (Internal)
827 *
828 * Deletes the specified entry and frees the space allocated to it
829 *
830 * RETURNS
831 * TRUE if it succeeded
832 * FALSE if it failed
833 *
834 */
835 static BOOL URLCache_DeleteEntry(LPURLCACHE_HEADER pHeader, CACHEFILE_ENTRY * pEntry)
836 {
837 DWORD dwStartBlock;
838 DWORD dwBlock;
839 BYTE * AllocationTable = (LPBYTE)pHeader + ALLOCATION_TABLE_OFFSET;
840
841 /* update allocation table */
842 dwStartBlock = ((DWORD)((BYTE *)pEntry - (BYTE *)pHeader)) / BLOCKSIZE;
843 for (dwBlock = dwStartBlock; dwBlock < dwStartBlock + pEntry->dwBlocksUsed; dwBlock++)
844 URLCache_Allocation_BlockFree(AllocationTable, dwBlock);
845
846 ZeroMemory(pEntry, pEntry->dwBlocksUsed * BLOCKSIZE);
847 return TRUE;
848 }
849
850 /***********************************************************************
851 * URLCache_LocalFileNameToPathW (Internal)
852 *
853 * Copies the full path to the specified buffer given the local file
854 * name and the index of the directory it is in. Always sets value in
855 * lpBufferSize to the required buffer size (in bytes).
856 *
857 * RETURNS
858 * TRUE if the buffer was big enough
859 * FALSE if the buffer was too small
860 *
861 */
862 static BOOL URLCache_LocalFileNameToPathW(
863 const URLCACHECONTAINER * pContainer,
864 LPCURLCACHE_HEADER pHeader,
865 LPCSTR szLocalFileName,
866 BYTE Directory,
867 LPWSTR wszPath,
868 LPLONG lpBufferSize)
869 {
870 LONG nRequired;
871 int path_len = strlenW(pContainer->path);
872 int file_name_len = MultiByteToWideChar(CP_ACP, 0, szLocalFileName, -1, NULL, 0);
873 if (Directory >= pHeader->DirectoryCount)
874 {
875 *lpBufferSize = 0;
876 return FALSE;
877 }
878
879 nRequired = (path_len + DIR_LENGTH + file_name_len + 1) * sizeof(WCHAR);
880 if (nRequired < *lpBufferSize)
881 {
882 int dir_len;
883
884 memcpy(wszPath, pContainer->path, path_len * sizeof(WCHAR));
885 dir_len = MultiByteToWideChar(CP_ACP, 0, pHeader->directory_data[Directory].filename, DIR_LENGTH, wszPath + path_len, DIR_LENGTH);
886 wszPath[dir_len + path_len] = '\\';
887 MultiByteToWideChar(CP_ACP, 0, szLocalFileName, -1, wszPath + dir_len + path_len + 1, file_name_len);
888 *lpBufferSize = nRequired;
889 return TRUE;
890 }
891 *lpBufferSize = nRequired;
892 return FALSE;
893 }
894
895 /***********************************************************************
896 * URLCache_LocalFileNameToPathA (Internal)
897 *
898 * Copies the full path to the specified buffer given the local file
899 * name and the index of the directory it is in. Always sets value in
900 * lpBufferSize to the required buffer size.
901 *
902 * RETURNS
903 * TRUE if the buffer was big enough
904 * FALSE if the buffer was too small
905 *
906 */
907 static BOOL URLCache_LocalFileNameToPathA(
908 const URLCACHECONTAINER * pContainer,
909 LPCURLCACHE_HEADER pHeader,
910 LPCSTR szLocalFileName,
911 BYTE Directory,
912 LPSTR szPath,
913 LPLONG lpBufferSize)
914 {
915 LONG nRequired;
916 int path_len, file_name_len, dir_len;
917
918 if (Directory >= pHeader->DirectoryCount)
919 {
920 *lpBufferSize = 0;
921 return FALSE;
922 }
923
924 path_len = WideCharToMultiByte(CP_ACP, 0, pContainer->path, -1, NULL, 0, NULL, NULL) - 1;
925 file_name_len = strlen(szLocalFileName) + 1 /* for nul-terminator */;
926 dir_len = DIR_LENGTH;
927
928 nRequired = (path_len + dir_len + 1 + file_name_len) * sizeof(char);
929 if (nRequired < *lpBufferSize)
930 {
931 WideCharToMultiByte(CP_ACP, 0, pContainer->path, -1, szPath, path_len, NULL, NULL);
932 memcpy(szPath+path_len, pHeader->directory_data[Directory].filename, dir_len);
933 szPath[path_len + dir_len] = '\\';
934 memcpy(szPath + path_len + dir_len + 1, szLocalFileName, file_name_len);
935 *lpBufferSize = nRequired;
936 return TRUE;
937 }
938 *lpBufferSize = nRequired;
939 return FALSE;
940 }
941
942 /***********************************************************************
943 * URLCache_CopyEntry (Internal)
944 *
945 * Copies an entry from the cache index file to the Win32 structure
946 *
947 * RETURNS
948 * ERROR_SUCCESS if the buffer was big enough
949 * ERROR_INSUFFICIENT_BUFFER if the buffer was too small
950 *
951 */
952 static DWORD URLCache_CopyEntry(
953 URLCACHECONTAINER * pContainer,
954 LPCURLCACHE_HEADER pHeader,
955 LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo,
956 LPDWORD lpdwBufferSize,
957 const URL_CACHEFILE_ENTRY * pUrlEntry,
958 BOOL bUnicode)
959 {
960 int lenUrl;
961 DWORD dwRequiredSize = sizeof(*lpCacheEntryInfo);
962
963 if (*lpdwBufferSize >= dwRequiredSize)
964 {
965 lpCacheEntryInfo->lpHeaderInfo = NULL;
966 lpCacheEntryInfo->lpszFileExtension = NULL;
967 lpCacheEntryInfo->lpszLocalFileName = NULL;
968 lpCacheEntryInfo->lpszSourceUrlName = NULL;
969 lpCacheEntryInfo->CacheEntryType = pUrlEntry->CacheEntryType;
970 lpCacheEntryInfo->u.dwExemptDelta = pUrlEntry->dwExemptDelta;
971 lpCacheEntryInfo->dwHeaderInfoSize = pUrlEntry->dwHeaderInfoSize;
972 lpCacheEntryInfo->dwHitRate = pUrlEntry->dwHitRate;
973 lpCacheEntryInfo->dwSizeHigh = pUrlEntry->dwSizeHigh;
974 lpCacheEntryInfo->dwSizeLow = pUrlEntry->dwSizeLow;
975 lpCacheEntryInfo->dwStructSize = sizeof(*lpCacheEntryInfo);
976 lpCacheEntryInfo->dwUseCount = pUrlEntry->dwUseCount;
977 DosDateTimeToFileTime(pUrlEntry->wExpiredDate, pUrlEntry->wExpiredTime, &lpCacheEntryInfo->ExpireTime);
978 lpCacheEntryInfo->LastAccessTime.dwHighDateTime = pUrlEntry->LastAccessTime.dwHighDateTime;
979 lpCacheEntryInfo->LastAccessTime.dwLowDateTime = pUrlEntry->LastAccessTime.dwLowDateTime;
980 lpCacheEntryInfo->LastModifiedTime.dwHighDateTime = pUrlEntry->LastModifiedTime.dwHighDateTime;
981 lpCacheEntryInfo->LastModifiedTime.dwLowDateTime = pUrlEntry->LastModifiedTime.dwLowDateTime;
982 DosDateTimeToFileTime(pUrlEntry->wLastSyncDate, pUrlEntry->wLastSyncTime, &lpCacheEntryInfo->LastSyncTime);
983 }
984
985 if ((dwRequiredSize % 4) && (dwRequiredSize < *lpdwBufferSize))
986 ZeroMemory((LPBYTE)lpCacheEntryInfo + dwRequiredSize, 4 - (dwRequiredSize % 4));
987 dwRequiredSize = DWORD_ALIGN(dwRequiredSize);
988 if (bUnicode)
989 lenUrl = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetUrl, -1, NULL, 0);
990 else
991 lenUrl = strlen((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetUrl);
992 dwRequiredSize += (lenUrl + 1) * (bUnicode ? sizeof(WCHAR) : sizeof(CHAR));
993
994 /* FIXME: is source url optional? */
995 if (*lpdwBufferSize >= dwRequiredSize)
996 {
997 DWORD lenUrlBytes = (lenUrl+1) * (bUnicode ? sizeof(WCHAR) : sizeof(CHAR));
998
999 lpCacheEntryInfo->lpszSourceUrlName = (LPSTR)lpCacheEntryInfo + dwRequiredSize - lenUrlBytes;
1000 if (bUnicode)
1001 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetUrl, -1, (LPWSTR)lpCacheEntryInfo->lpszSourceUrlName, lenUrl + 1);
1002 else
1003 memcpy(lpCacheEntryInfo->lpszSourceUrlName, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetUrl, lenUrlBytes);
1004 }
1005
1006 if ((dwRequiredSize % 4) && (dwRequiredSize < *lpdwBufferSize))
1007 ZeroMemory((LPBYTE)lpCacheEntryInfo + dwRequiredSize, 4 - (dwRequiredSize % 4));
1008 dwRequiredSize = DWORD_ALIGN(dwRequiredSize);
1009
1010 if (pUrlEntry->dwOffsetLocalName)
1011 {
1012 LONG nLocalFilePathSize;
1013 LPSTR lpszLocalFileName;
1014 lpszLocalFileName = (LPSTR)lpCacheEntryInfo + dwRequiredSize;
1015 nLocalFilePathSize = *lpdwBufferSize - dwRequiredSize;
1016 if ((bUnicode && URLCache_LocalFileNameToPathW(pContainer, pHeader, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName, pUrlEntry->CacheDir, (LPWSTR)lpszLocalFileName, &nLocalFilePathSize)) ||
1017 (!bUnicode && URLCache_LocalFileNameToPathA(pContainer, pHeader, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName, pUrlEntry->CacheDir, lpszLocalFileName, &nLocalFilePathSize)))
1018 {
1019 lpCacheEntryInfo->lpszLocalFileName = lpszLocalFileName;
1020 }
1021 dwRequiredSize += nLocalFilePathSize * (bUnicode ? sizeof(WCHAR) : sizeof(CHAR)) ;
1022
1023 if ((dwRequiredSize % 4) && (dwRequiredSize < *lpdwBufferSize))
1024 ZeroMemory((LPBYTE)lpCacheEntryInfo + dwRequiredSize, 4 - (dwRequiredSize % 4));
1025 dwRequiredSize = DWORD_ALIGN(dwRequiredSize);
1026 }
1027 dwRequiredSize += pUrlEntry->dwHeaderInfoSize + 1;
1028
1029 if (*lpdwBufferSize >= dwRequiredSize)
1030 {
1031 lpCacheEntryInfo->lpHeaderInfo = (LPBYTE)lpCacheEntryInfo + dwRequiredSize - pUrlEntry->dwHeaderInfoSize - 1;
1032 memcpy(lpCacheEntryInfo->lpHeaderInfo, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo, pUrlEntry->dwHeaderInfoSize);
1033 ((LPBYTE)lpCacheEntryInfo)[dwRequiredSize - 1] = '\0';
1034 }
1035 if ((dwRequiredSize % 4) && (dwRequiredSize < *lpdwBufferSize))
1036 ZeroMemory((LPBYTE)lpCacheEntryInfo + dwRequiredSize, 4 - (dwRequiredSize % 4));
1037 dwRequiredSize = DWORD_ALIGN(dwRequiredSize);
1038
1039 if (pUrlEntry->dwOffsetFileExtension)
1040 {
1041 int lenExtension;
1042
1043 if (bUnicode)
1044 lenExtension = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetFileExtension, -1, NULL, 0);
1045 else
1046 lenExtension = strlen((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetFileExtension) + 1;
1047 dwRequiredSize += lenExtension * (bUnicode ? sizeof(WCHAR) : sizeof(CHAR));
1048
1049 if (*lpdwBufferSize >= dwRequiredSize)
1050 {
1051 lpCacheEntryInfo->lpszFileExtension = (LPSTR)lpCacheEntryInfo + dwRequiredSize - lenExtension;
1052 if (bUnicode)
1053 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetFileExtension, -1, (LPWSTR)lpCacheEntryInfo->lpszSourceUrlName, lenExtension);
1054 else
1055 memcpy(lpCacheEntryInfo->lpszFileExtension, (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetFileExtension, lenExtension * sizeof(CHAR));
1056 }
1057
1058 if ((dwRequiredSize % 4) && (dwRequiredSize < *lpdwBufferSize))
1059 ZeroMemory((LPBYTE)lpCacheEntryInfo + dwRequiredSize, 4 - (dwRequiredSize % 4));
1060 dwRequiredSize = DWORD_ALIGN(dwRequiredSize);
1061 }
1062
1063 if (dwRequiredSize > *lpdwBufferSize)
1064 {
1065 *lpdwBufferSize = dwRequiredSize;
1066 return ERROR_INSUFFICIENT_BUFFER;
1067 }
1068 *lpdwBufferSize = dwRequiredSize;
1069 return ERROR_SUCCESS;
1070 }
1071
1072
1073 /***********************************************************************
1074 * URLCache_SetEntryInfo (Internal)
1075 *
1076 * Helper for SetUrlCacheEntryInfo{A,W}. Sets fields in URL entry
1077 * according to the flags set by dwFieldControl.
1078 *
1079 * RETURNS
1080 * ERROR_SUCCESS if the buffer was big enough
1081 * ERROR_INSUFFICIENT_BUFFER if the buffer was too small
1082 *
1083 */
1084 static DWORD URLCache_SetEntryInfo(URL_CACHEFILE_ENTRY * pUrlEntry, const INTERNET_CACHE_ENTRY_INFOW * lpCacheEntryInfo, DWORD dwFieldControl)
1085 {
1086 if (dwFieldControl & CACHE_ENTRY_ACCTIME_FC)
1087 pUrlEntry->LastAccessTime = lpCacheEntryInfo->LastAccessTime;
1088 if (dwFieldControl & CACHE_ENTRY_ATTRIBUTE_FC)
1089 pUrlEntry->CacheEntryType = lpCacheEntryInfo->CacheEntryType;
1090 if (dwFieldControl & CACHE_ENTRY_EXEMPT_DELTA_FC)
1091 pUrlEntry->dwExemptDelta = lpCacheEntryInfo->u.dwExemptDelta;
1092 if (dwFieldControl & CACHE_ENTRY_EXPTIME_FC)
1093 FIXME("CACHE_ENTRY_EXPTIME_FC unimplemented\n");
1094 if (dwFieldControl & CACHE_ENTRY_HEADERINFO_FC)
1095 FIXME("CACHE_ENTRY_HEADERINFO_FC unimplemented\n");
1096 if (dwFieldControl & CACHE_ENTRY_HITRATE_FC)
1097 pUrlEntry->dwHitRate = lpCacheEntryInfo->dwHitRate;
1098 if (dwFieldControl & CACHE_ENTRY_MODTIME_FC)
1099 pUrlEntry->LastModifiedTime = lpCacheEntryInfo->LastModifiedTime;
1100 if (dwFieldControl & CACHE_ENTRY_SYNCTIME_FC)
1101 FileTimeToDosDateTime(&lpCacheEntryInfo->LastAccessTime, &pUrlEntry->wLastSyncDate, &pUrlEntry->wLastSyncTime);
1102
1103 return ERROR_SUCCESS;
1104 }
1105
1106 /***********************************************************************
1107 * URLCache_HashKey (Internal)
1108 *
1109 * Returns the hash key for a given string
1110 *
1111 * RETURNS
1112 * hash key for the string
1113 *
1114 */
1115 static DWORD URLCache_HashKey(LPCSTR lpszKey)
1116 {
1117 /* NOTE: this uses the same lookup table as SHLWAPI.UrlHash{A,W}
1118 * but the algorithm and result are not the same!
1119 */
1120 static const unsigned char lookupTable[256] =
1121 {
1122 0x01, 0x0E, 0x6E, 0x19, 0x61, 0xAE, 0x84, 0x77,
1123 0x8A, 0xAA, 0x7D, 0x76, 0x1B, 0xE9, 0x8C, 0x33,
1124 0x57, 0xC5, 0xB1, 0x6B, 0xEA, 0xA9, 0x38, 0x44,
1125 0x1E, 0x07, 0xAD, 0x49, 0xBC, 0x28, 0x24, 0x41,
1126 0x31, 0xD5, 0x68, 0xBE, 0x39, 0xD3, 0x94, 0xDF,
1127 0x30, 0x73, 0x0F, 0x02, 0x43, 0xBA, 0xD2, 0x1C,
1128 0x0C, 0xB5, 0x67, 0x46, 0x16, 0x3A, 0x4B, 0x4E,
1129 0xB7, 0xA7, 0xEE, 0x9D, 0x7C, 0x93, 0xAC, 0x90,
1130 0xB0, 0xA1, 0x8D, 0x56, 0x3C, 0x42, 0x80, 0x53,
1131 0x9C, 0xF1, 0x4F, 0x2E, 0xA8, 0xC6, 0x29, 0xFE,
1132 0xB2, 0x55, 0xFD, 0xED, 0xFA, 0x9A, 0x85, 0x58,
1133 0x23, 0xCE, 0x5F, 0x74, 0xFC, 0xC0, 0x36, 0xDD,
1134 0x66, 0xDA, 0xFF, 0xF0, 0x52, 0x6A, 0x9E, 0xC9,
1135 0x3D, 0x03, 0x59, 0x09, 0x2A, 0x9B, 0x9F, 0x5D,
1136 0xA6, 0x50, 0x32, 0x22, 0xAF, 0xC3, 0x64, 0x63,
1137 0x1A, 0x96, 0x10, 0x91, 0x04, 0x21, 0x08, 0xBD,
1138 0x79, 0x40, 0x4D, 0x48, 0xD0, 0xF5, 0x82, 0x7A,
1139 0x8F, 0x37, 0x69, 0x86, 0x1D, 0xA4, 0xB9, 0xC2,
1140 0xC1, 0xEF, 0x65, 0xF2, 0x05, 0xAB, 0x7E, 0x0B,
1141 0x4A, 0x3B, 0x89, 0xE4, 0x6C, 0xBF, 0xE8, 0x8B,
1142 0x06, 0x18, 0x51, 0x14, 0x7F, 0x11, 0x5B, 0x5C,
1143 0xFB, 0x97, 0xE1, 0xCF, 0x15, 0x62, 0x71, 0x70,
1144 0x54, 0xE2, 0x12, 0xD6, 0xC7, 0xBB, 0x0D, 0x20,
1145 0x5E, 0xDC, 0xE0, 0xD4, 0xF7, 0xCC, 0xC4, 0x2B,
1146 0xF9, 0xEC, 0x2D, 0xF4, 0x6F, 0xB6, 0x99, 0x88,
1147 0x81, 0x5A, 0xD9, 0xCA, 0x13, 0xA5, 0xE7, 0x47,
1148 0xE6, 0x8E, 0x60, 0xE3, 0x3E, 0xB3, 0xF6, 0x72,
1149 0xA2, 0x35, 0xA0, 0xD7, 0xCD, 0xB4, 0x2F, 0x6D,
1150 0x2C, 0x26, 0x1F, 0x95, 0x87, 0x00, 0xD8, 0x34,
1151 0x3F, 0x17, 0x25, 0x45, 0x27, 0x75, 0x92, 0xB8,
1152 0xA3, 0xC8, 0xDE, 0xEB, 0xF8, 0xF3, 0xDB, 0x0A,
1153 0x98, 0x83, 0x7B, 0xE5, 0xCB, 0x4C, 0x78, 0xD1
1154 };
1155 BYTE key[4];
1156 DWORD i;
1157
1158 for (i = 0; i < sizeof(key) / sizeof(key[0]); i++)
1159 key[i] = lookupTable[i];
1160
1161 for (lpszKey++; *lpszKey && ((lpszKey[0] != '/') || (lpszKey[1] != 0)); lpszKey++)
1162 {
1163 for (i = 0; i < sizeof(key) / sizeof(key[0]); i++)
1164 key[i] = lookupTable[*lpszKey ^ key[i]];
1165 }
1166
1167 return *(DWORD *)key;
1168 }
1169
1170 static inline HASH_CACHEFILE_ENTRY * URLCache_HashEntryFromOffset(LPCURLCACHE_HEADER pHeader, DWORD dwOffset)
1171 {
1172 return (HASH_CACHEFILE_ENTRY *)((LPBYTE)pHeader + dwOffset);
1173 }
1174
1175 static inline BOOL URLCache_IsHashEntryValid(LPCURLCACHE_HEADER pHeader, const HASH_CACHEFILE_ENTRY *pHashEntry)
1176 {
1177 /* check pHashEntry located within acceptable bounds in the URL cache mapping */
1178 return ((DWORD)((const BYTE*)pHashEntry - (const BYTE*)pHeader) >= ENTRY_START_OFFSET) &&
1179 ((DWORD)((const BYTE*)pHashEntry - (const BYTE*)pHeader) < pHeader->dwFileSize);
1180 }
1181
1182 static BOOL URLCache_FindHash(LPCURLCACHE_HEADER pHeader, LPCSTR lpszUrl, struct _HASH_ENTRY ** ppHashEntry)
1183 {
1184 /* structure of hash table:
1185 * 448 entries divided into 64 blocks
1186 * each block therefore contains a chain of 7 key/offset pairs
1187 * how position in table is calculated:
1188 * 1. the url is hashed in helper function
1189 * 2. the key % 64 * 8 is the offset
1190 * 3. the key in the hash table is the hash key aligned to 64
1191 *
1192 * note:
1193 * there can be multiple hash tables in the file and the offset to
1194 * the next one is stored in the header of the hash table
1195 */
1196 DWORD key = URLCache_HashKey(lpszUrl);
1197 DWORD offset = (key % HASHTABLE_NUM_ENTRIES) * sizeof(struct _HASH_ENTRY);
1198 HASH_CACHEFILE_ENTRY * pHashEntry;
1199 DWORD dwHashTableNumber = 0;
1200
1201 key = (key / HASHTABLE_NUM_ENTRIES) * HASHTABLE_NUM_ENTRIES;
1202
1203 for (pHashEntry = URLCache_HashEntryFromOffset(pHeader, pHeader->dwOffsetFirstHashTable);
1204 URLCache_IsHashEntryValid(pHeader, pHashEntry);
1205 pHashEntry = URLCache_HashEntryFromOffset(pHeader, pHashEntry->dwAddressNext))
1206 {
1207 int i;
1208 if (pHashEntry->dwHashTableNumber != dwHashTableNumber++)
1209 {
1210 ERR("Error: not right hash table number (%d) expected %d\n", pHashEntry->dwHashTableNumber, dwHashTableNumber);
1211 continue;
1212 }
1213 /* make sure that it is in fact a hash entry */
1214 if (pHashEntry->CacheFileEntry.dwSignature != HASH_SIGNATURE)
1215 {
1216 ERR("Error: not right signature (\"%.4s\") - expected \"HASH\"\n", (LPCSTR)&pHashEntry->CacheFileEntry.dwSignature);
1217 continue;
1218 }
1219
1220 for (i = 0; i < HASHTABLE_BLOCKSIZE; i++)
1221 {
1222 struct _HASH_ENTRY * pHashElement = &pHashEntry->HashTable[offset + i];
1223 if (key == (pHashElement->dwHashKey / HASHTABLE_NUM_ENTRIES) * HASHTABLE_NUM_ENTRIES)
1224 {
1225 /* FIXME: we should make sure that this is the right element
1226 * before returning and claiming that it is. We can do this
1227 * by doing a simple compare between the URL we were given
1228 * and the URL stored in the entry. However, this assumes
1229 * we know the format of all the entries stored in the
1230 * hash table */
1231 *ppHashEntry = pHashElement;
1232 return TRUE;
1233 }
1234 }
1235 }
1236 return FALSE;
1237 }
1238
1239 static BOOL URLCache_FindHashW(LPCURLCACHE_HEADER pHeader, LPCWSTR lpszUrl, struct _HASH_ENTRY ** ppHashEntry)
1240 {
1241 LPSTR urlA;
1242 BOOL ret;
1243
1244 urlA = heap_strdupWtoA(lpszUrl);
1245 if (!urlA)
1246 {
1247 SetLastError(ERROR_OUTOFMEMORY);
1248 return FALSE;
1249 }
1250
1251 ret = URLCache_FindHash(pHeader, urlA, ppHashEntry);
1252 HeapFree(GetProcessHeap(), 0, urlA);
1253 return ret;
1254 }
1255
1256 /***********************************************************************
1257 * URLCache_HashEntrySetUse (Internal)
1258 *
1259 * Searches all the hash tables in the index for the given URL and
1260 * sets the use count (stored or'ed with key)
1261 *
1262 * RETURNS
1263 * TRUE if the entry was found
1264 * FALSE if the entry could not be found
1265 *
1266 */
1267 static BOOL URLCache_HashEntrySetUse(struct _HASH_ENTRY * pHashEntry, DWORD dwUseCount)
1268 {
1269 pHashEntry->dwHashKey = dwUseCount | (pHashEntry->dwHashKey / HASHTABLE_NUM_ENTRIES) * HASHTABLE_NUM_ENTRIES;
1270 return TRUE;
1271 }
1272
1273 /***********************************************************************
1274 * URLCache_DeleteEntryFromHash (Internal)
1275 *
1276 * Searches all the hash tables in the index for the given URL and
1277 * then if found deletes the entry.
1278 *
1279 * RETURNS
1280 * TRUE if the entry was found
1281 * FALSE if the entry could not be found
1282 *
1283 */
1284 static BOOL URLCache_DeleteEntryFromHash(struct _HASH_ENTRY * pHashEntry)
1285 {
1286 pHashEntry->dwHashKey = HASHTABLE_FREE;
1287 pHashEntry->dwOffsetEntry = HASHTABLE_FREE;
1288 return TRUE;
1289 }
1290
1291 /***********************************************************************
1292 * URLCache_AddEntryToHash (Internal)
1293 *
1294 * Searches all the hash tables for a free slot based on the offset
1295 * generated from the hash key. If a free slot is found, the offset and
1296 * key are entered into the hash table.
1297 *
1298 * RETURNS
1299 * ERROR_SUCCESS if the entry was added
1300 * Any other Win32 error code if the entry could not be added
1301 *
1302 */
1303 static DWORD URLCache_AddEntryToHash(LPURLCACHE_HEADER pHeader, LPCSTR lpszUrl, DWORD dwOffsetEntry)
1304 {
1305 /* see URLCache_FindEntryInHash for structure of hash tables */
1306
1307 DWORD key = URLCache_HashKey(lpszUrl);
1308 DWORD offset = (key % HASHTABLE_NUM_ENTRIES) * sizeof(struct _HASH_ENTRY);
1309 HASH_CACHEFILE_ENTRY * pHashEntry;
1310 DWORD dwHashTableNumber = 0;
1311 DWORD error;
1312
1313 key = (key / HASHTABLE_NUM_ENTRIES) * HASHTABLE_NUM_ENTRIES;
1314
1315 for (pHashEntry = URLCache_HashEntryFromOffset(pHeader, pHeader->dwOffsetFirstHashTable);
1316 URLCache_IsHashEntryValid(pHeader, pHashEntry);
1317 pHashEntry = URLCache_HashEntryFromOffset(pHeader, pHashEntry->dwAddressNext))
1318 {
1319 int i;
1320 if (pHashEntry->dwHashTableNumber != dwHashTableNumber++)
1321 {
1322 ERR("not right hash table number (%d) expected %d\n", pHashEntry->dwHashTableNumber, dwHashTableNumber);
1323 break;
1324 }
1325 /* make sure that it is in fact a hash entry */
1326 if (pHashEntry->CacheFileEntry.dwSignature != HASH_SIGNATURE)
1327 {
1328 ERR("not right signature (\"%.4s\") - expected \"HASH\"\n", (LPCSTR)&pHashEntry->CacheFileEntry.dwSignature);
1329 break;
1330 }
1331
1332 for (i = 0; i < HASHTABLE_BLOCKSIZE; i++)
1333 {
1334 struct _HASH_ENTRY * pHashElement = &pHashEntry->HashTable[offset + i];
1335 if (pHashElement->dwHashKey == HASHTABLE_FREE) /* if the slot is free */
1336 {
1337 pHashElement->dwHashKey = key;
1338 pHashElement->dwOffsetEntry = dwOffsetEntry;
1339 return ERROR_SUCCESS;
1340 }
1341 }
1342 }
1343 error = URLCache_CreateHashTable(pHeader, pHashEntry, &pHashEntry);
1344 if (error != ERROR_SUCCESS)
1345 return error;
1346
1347 pHashEntry->HashTable[offset].dwHashKey = key;
1348 pHashEntry->HashTable[offset].dwOffsetEntry = dwOffsetEntry;
1349 return ERROR_SUCCESS;
1350 }
1351
1352 /***********************************************************************
1353 * URLCache_CreateHashTable (Internal)
1354 *
1355 * Creates a new hash table in free space and adds it to the chain of existing
1356 * hash tables.
1357 *
1358 * RETURNS
1359 * ERROR_SUCCESS if the hash table was created
1360 * ERROR_DISK_FULL if the hash table could not be created
1361 *
1362 */
1363 static DWORD URLCache_CreateHashTable(LPURLCACHE_HEADER pHeader, HASH_CACHEFILE_ENTRY *pPrevHash, HASH_CACHEFILE_ENTRY **ppHash)
1364 {
1365 DWORD dwOffset;
1366 int i;
1367
1368 if (!URLCache_FindFirstFreeEntry(pHeader, 0x20, (CACHEFILE_ENTRY **)ppHash))
1369 {
1370 FIXME("no free space for hash table\n");
1371 return ERROR_DISK_FULL;
1372 }
1373
1374 dwOffset = (BYTE *)*ppHash - (BYTE *)pHeader;
1375
1376 if (pPrevHash)
1377 pPrevHash->dwAddressNext = dwOffset;
1378 else
1379 pHeader->dwOffsetFirstHashTable = dwOffset;
1380 (*ppHash)->CacheFileEntry.dwSignature = HASH_SIGNATURE;
1381 (*ppHash)->CacheFileEntry.dwBlocksUsed = 0x20;
1382 (*ppHash)->dwHashTableNumber = pPrevHash ? pPrevHash->dwHashTableNumber + 1 : 0;
1383 for (i = 0; i < HASHTABLE_SIZE; i++)
1384 {
1385 (*ppHash)->HashTable[i].dwOffsetEntry = 0;
1386 (*ppHash)->HashTable[i].dwHashKey = HASHTABLE_FREE;
1387 }
1388 return ERROR_SUCCESS;
1389 }
1390
1391 /***********************************************************************
1392 * URLCache_EnumHashTables (Internal)
1393 *
1394 * Enumerates the hash tables in a container.
1395 *
1396 * RETURNS
1397 * TRUE if an entry was found
1398 * FALSE if there are no more tables to enumerate.
1399 *
1400 */
1401 static BOOL URLCache_EnumHashTables(LPCURLCACHE_HEADER pHeader, DWORD *pdwHashTableNumber, HASH_CACHEFILE_ENTRY ** ppHashEntry)
1402 {
1403 for (*ppHashEntry = URLCache_HashEntryFromOffset(pHeader, pHeader->dwOffsetFirstHashTable);
1404 URLCache_IsHashEntryValid(pHeader, *ppHashEntry);
1405 *ppHashEntry = URLCache_HashEntryFromOffset(pHeader, (*ppHashEntry)->dwAddressNext))
1406 {
1407 TRACE("looking at hash table number %d\n", (*ppHashEntry)->dwHashTableNumber);
1408 if ((*ppHashEntry)->dwHashTableNumber != *pdwHashTableNumber)
1409 continue;
1410 /* make sure that it is in fact a hash entry */
1411 if ((*ppHashEntry)->CacheFileEntry.dwSignature != HASH_SIGNATURE)
1412 {
1413 ERR("Error: not right signature (\"%.4s\") - expected \"HASH\"\n", (LPCSTR)&(*ppHashEntry)->CacheFileEntry.dwSignature);
1414 (*pdwHashTableNumber)++;
1415 continue;
1416 }
1417
1418 TRACE("hash table number %d found\n", *pdwHashTableNumber);
1419 return TRUE;
1420 }
1421 return FALSE;
1422 }
1423
1424 /***********************************************************************
1425 * URLCache_EnumHashTableEntries (Internal)
1426 *
1427 * Enumerates entries in a hash table and returns the next non-free entry.
1428 *
1429 * RETURNS
1430 * TRUE if an entry was found
1431 * FALSE if the hash table is empty or there are no more entries to
1432 * enumerate.
1433 *
1434 */
1435 static BOOL URLCache_EnumHashTableEntries(LPCURLCACHE_HEADER pHeader, const HASH_CACHEFILE_ENTRY * pHashEntry,
1436 DWORD * index, const struct _HASH_ENTRY ** ppHashEntry)
1437 {
1438 for (; *index < HASHTABLE_SIZE ; (*index)++)
1439 {
1440 if (pHashEntry->HashTable[*index].dwHashKey == HASHTABLE_FREE)
1441 continue;
1442
1443 *ppHashEntry = &pHashEntry->HashTable[*index];
1444 TRACE("entry found %d\n", *index);
1445 return TRUE;
1446 }
1447 TRACE("no more entries (%d)\n", *index);
1448 return FALSE;
1449 }
1450
1451 /***********************************************************************
1452 * FreeUrlCacheSpaceA (WININET.@)
1453 *
1454 */
1455 BOOL WINAPI FreeUrlCacheSpaceA(LPCSTR lpszCachePath, DWORD dwSize, DWORD dwFilter)
1456 {
1457 FIXME("stub!\n");
1458 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1459 return FALSE;
1460 }
1461
1462 /***********************************************************************
1463 * FreeUrlCacheSpaceW (WININET.@)
1464 *
1465 */
1466 BOOL WINAPI FreeUrlCacheSpaceW(LPCWSTR lpszCachePath, DWORD dwSize, DWORD dwFilter)
1467 {
1468 FIXME("stub!\n");
1469 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1470 return FALSE;
1471 }
1472
1473 /***********************************************************************
1474 * GetUrlCacheEntryInfoExA (WININET.@)
1475 *
1476 */
1477 BOOL WINAPI GetUrlCacheEntryInfoExA(
1478 LPCSTR lpszUrl,
1479 LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo,
1480 LPDWORD lpdwCacheEntryInfoBufSize,
1481 LPSTR lpszReserved,
1482 LPDWORD lpdwReserved,
1483 LPVOID lpReserved,
1484 DWORD dwFlags)
1485 {
1486 TRACE("(%s, %p, %p, %p, %p, %p, %x)\n",
1487 debugstr_a(lpszUrl),
1488 lpCacheEntryInfo,
1489 lpdwCacheEntryInfoBufSize,
1490 lpszReserved,
1491 lpdwReserved,
1492 lpReserved,
1493 dwFlags);
1494
1495 if ((lpszReserved != NULL) ||
1496 (lpdwReserved != NULL) ||
1497 (lpReserved != NULL))
1498 {
1499 ERR("Reserved value was not 0\n");
1500 SetLastError(ERROR_INVALID_PARAMETER);
1501 return FALSE;
1502 }
1503 if (dwFlags != 0)
1504 {
1505 FIXME("Undocumented flag(s): %x\n", dwFlags);
1506 SetLastError(ERROR_FILE_NOT_FOUND);
1507 return FALSE;
1508 }
1509 return GetUrlCacheEntryInfoA(lpszUrl, lpCacheEntryInfo, lpdwCacheEntryInfoBufSize);
1510 }
1511
1512 /***********************************************************************
1513 * GetUrlCacheEntryInfoA (WININET.@)
1514 *
1515 */
1516 BOOL WINAPI GetUrlCacheEntryInfoA(
1517 IN LPCSTR lpszUrlName,
1518 IN LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo,
1519 IN OUT LPDWORD lpdwCacheEntryInfoBufferSize
1520 )
1521 {
1522 LPURLCACHE_HEADER pHeader;
1523 struct _HASH_ENTRY * pHashEntry;
1524 const CACHEFILE_ENTRY * pEntry;
1525 const URL_CACHEFILE_ENTRY * pUrlEntry;
1526 URLCACHECONTAINER * pContainer;
1527 DWORD error;
1528
1529 TRACE("(%s, %p, %p)\n", debugstr_a(lpszUrlName), lpCacheEntryInfo, lpdwCacheEntryInfoBufferSize);
1530
1531 error = URLCacheContainers_FindContainerA(lpszUrlName, &pContainer);
1532 if (error != ERROR_SUCCESS)
1533 {
1534 SetLastError(error);
1535 return FALSE;
1536 }
1537
1538 error = URLCacheContainer_OpenIndex(pContainer);
1539 if (error != ERROR_SUCCESS)
1540 {
1541 SetLastError(error);
1542 return FALSE;
1543 }
1544
1545 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
1546 return FALSE;
1547
1548 if (!URLCache_FindHash(pHeader, lpszUrlName, &pHashEntry))
1549 {
1550 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1551 WARN("entry %s not found!\n", debugstr_a(lpszUrlName));
1552 SetLastError(ERROR_FILE_NOT_FOUND);
1553 return FALSE;
1554 }
1555
1556 pEntry = (const CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
1557 if (pEntry->dwSignature != URL_SIGNATURE)
1558 {
1559 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1560 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPCSTR)&pEntry->dwSignature, sizeof(DWORD)));
1561 SetLastError(ERROR_FILE_NOT_FOUND);
1562 return FALSE;
1563 }
1564
1565 pUrlEntry = (const URL_CACHEFILE_ENTRY *)pEntry;
1566 TRACE("Found URL: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetUrl));
1567 if (pUrlEntry->dwOffsetHeaderInfo)
1568 TRACE("Header info: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo));
1569
1570 if (lpdwCacheEntryInfoBufferSize)
1571 {
1572 if (!lpCacheEntryInfo)
1573 *lpdwCacheEntryInfoBufferSize = 0;
1574
1575 error = URLCache_CopyEntry(
1576 pContainer,
1577 pHeader,
1578 lpCacheEntryInfo,
1579 lpdwCacheEntryInfoBufferSize,
1580 pUrlEntry,
1581 FALSE /* ANSI */);
1582 if (error != ERROR_SUCCESS)
1583 {
1584 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1585 SetLastError(error);
1586 return FALSE;
1587 }
1588 TRACE("Local File Name: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName));
1589 }
1590
1591 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1592
1593 return TRUE;
1594 }
1595
1596 /***********************************************************************
1597 * GetUrlCacheEntryInfoW (WININET.@)
1598 *
1599 */
1600 BOOL WINAPI GetUrlCacheEntryInfoW(LPCWSTR lpszUrl,
1601 LPINTERNET_CACHE_ENTRY_INFOW lpCacheEntryInfo,
1602 LPDWORD lpdwCacheEntryInfoBufferSize)
1603 {
1604 LPURLCACHE_HEADER pHeader;
1605 struct _HASH_ENTRY * pHashEntry;
1606 const CACHEFILE_ENTRY * pEntry;
1607 const URL_CACHEFILE_ENTRY * pUrlEntry;
1608 URLCACHECONTAINER * pContainer;
1609 DWORD error;
1610
1611 TRACE("(%s, %p, %p)\n", debugstr_w(lpszUrl), lpCacheEntryInfo, lpdwCacheEntryInfoBufferSize);
1612
1613 error = URLCacheContainers_FindContainerW(lpszUrl, &pContainer);
1614 if (error != ERROR_SUCCESS)
1615 {
1616 SetLastError(error);
1617 return FALSE;
1618 }
1619
1620 error = URLCacheContainer_OpenIndex(pContainer);
1621 if (error != ERROR_SUCCESS)
1622 {
1623 SetLastError(error);
1624 return FALSE;
1625 }
1626
1627 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
1628 return FALSE;
1629
1630 if (!URLCache_FindHashW(pHeader, lpszUrl, &pHashEntry))
1631 {
1632 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1633 WARN("entry %s not found!\n", debugstr_w(lpszUrl));
1634 SetLastError(ERROR_FILE_NOT_FOUND);
1635 return FALSE;
1636 }
1637
1638 pEntry = (const CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
1639 if (pEntry->dwSignature != URL_SIGNATURE)
1640 {
1641 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1642 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPCSTR)&pEntry->dwSignature, sizeof(DWORD)));
1643 SetLastError(ERROR_FILE_NOT_FOUND);
1644 return FALSE;
1645 }
1646
1647 pUrlEntry = (const URL_CACHEFILE_ENTRY *)pEntry;
1648 TRACE("Found URL: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetUrl));
1649 TRACE("Header info: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo));
1650
1651 if (lpdwCacheEntryInfoBufferSize)
1652 {
1653 if (!lpCacheEntryInfo)
1654 *lpdwCacheEntryInfoBufferSize = 0;
1655
1656 error = URLCache_CopyEntry(
1657 pContainer,
1658 pHeader,
1659 (LPINTERNET_CACHE_ENTRY_INFOA)lpCacheEntryInfo,
1660 lpdwCacheEntryInfoBufferSize,
1661 pUrlEntry,
1662 TRUE /* UNICODE */);
1663 if (error != ERROR_SUCCESS)
1664 {
1665 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1666 SetLastError(error);
1667 return FALSE;
1668 }
1669 TRACE("Local File Name: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName));
1670 }
1671
1672 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1673
1674 return TRUE;
1675 }
1676
1677 /***********************************************************************
1678 * GetUrlCacheEntryInfoExW (WININET.@)
1679 *
1680 */
1681 BOOL WINAPI GetUrlCacheEntryInfoExW(
1682 LPCWSTR lpszUrl,
1683 LPINTERNET_CACHE_ENTRY_INFOW lpCacheEntryInfo,
1684 LPDWORD lpdwCacheEntryInfoBufSize,
1685 LPWSTR lpszReserved,
1686 LPDWORD lpdwReserved,
1687 LPVOID lpReserved,
1688 DWORD dwFlags)
1689 {
1690 TRACE("(%s, %p, %p, %p, %p, %p, %x)\n",
1691 debugstr_w(lpszUrl),
1692 lpCacheEntryInfo,
1693 lpdwCacheEntryInfoBufSize,
1694 lpszReserved,
1695 lpdwReserved,
1696 lpReserved,
1697 dwFlags);
1698
1699 if ((lpszReserved != NULL) ||
1700 (lpdwReserved != NULL) ||
1701 (lpReserved != NULL))
1702 {
1703 ERR("Reserved value was not 0\n");
1704 SetLastError(ERROR_INVALID_PARAMETER);
1705 return FALSE;
1706 }
1707 if (dwFlags != 0)
1708 {
1709 FIXME("Undocumented flag(s): %x\n", dwFlags);
1710 SetLastError(ERROR_FILE_NOT_FOUND);
1711 return FALSE;
1712 }
1713 return GetUrlCacheEntryInfoW(lpszUrl, lpCacheEntryInfo, lpdwCacheEntryInfoBufSize);
1714 }
1715
1716 /***********************************************************************
1717 * SetUrlCacheEntryInfoA (WININET.@)
1718 */
1719 BOOL WINAPI SetUrlCacheEntryInfoA(
1720 LPCSTR lpszUrlName,
1721 LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo,
1722 DWORD dwFieldControl)
1723 {
1724 LPURLCACHE_HEADER pHeader;
1725 struct _HASH_ENTRY * pHashEntry;
1726 CACHEFILE_ENTRY * pEntry;
1727 URLCACHECONTAINER * pContainer;
1728 DWORD error;
1729
1730 TRACE("(%s, %p, 0x%08x)\n", debugstr_a(lpszUrlName), lpCacheEntryInfo, dwFieldControl);
1731
1732 error = URLCacheContainers_FindContainerA(lpszUrlName, &pContainer);
1733 if (error != ERROR_SUCCESS)
1734 {
1735 SetLastError(error);
1736 return FALSE;
1737 }
1738
1739 error = URLCacheContainer_OpenIndex(pContainer);
1740 if (error != ERROR_SUCCESS)
1741 {
1742 SetLastError(error);
1743 return FALSE;
1744 }
1745
1746 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
1747 return FALSE;
1748
1749 if (!URLCache_FindHash(pHeader, lpszUrlName, &pHashEntry))
1750 {
1751 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1752 WARN("entry %s not found!\n", debugstr_a(lpszUrlName));
1753 SetLastError(ERROR_FILE_NOT_FOUND);
1754 return FALSE;
1755 }
1756
1757 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
1758 if (pEntry->dwSignature != URL_SIGNATURE)
1759 {
1760 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1761 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
1762 SetLastError(ERROR_FILE_NOT_FOUND);
1763 return FALSE;
1764 }
1765
1766 URLCache_SetEntryInfo(
1767 (URL_CACHEFILE_ENTRY *)pEntry,
1768 (const INTERNET_CACHE_ENTRY_INFOW *)lpCacheEntryInfo,
1769 dwFieldControl);
1770
1771 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1772
1773 return TRUE;
1774 }
1775
1776 /***********************************************************************
1777 * SetUrlCacheEntryInfoW (WININET.@)
1778 */
1779 BOOL WINAPI SetUrlCacheEntryInfoW(LPCWSTR lpszUrl, LPINTERNET_CACHE_ENTRY_INFOW lpCacheEntryInfo, DWORD dwFieldControl)
1780 {
1781 LPURLCACHE_HEADER pHeader;
1782 struct _HASH_ENTRY * pHashEntry;
1783 CACHEFILE_ENTRY * pEntry;
1784 URLCACHECONTAINER * pContainer;
1785 DWORD error;
1786
1787 TRACE("(%s, %p, 0x%08x)\n", debugstr_w(lpszUrl), lpCacheEntryInfo, dwFieldControl);
1788
1789 error = URLCacheContainers_FindContainerW(lpszUrl, &pContainer);
1790 if (error != ERROR_SUCCESS)
1791 {
1792 SetLastError(error);
1793 return FALSE;
1794 }
1795
1796 error = URLCacheContainer_OpenIndex(pContainer);
1797 if (error != ERROR_SUCCESS)
1798 {
1799 SetLastError(error);
1800 return FALSE;
1801 }
1802
1803 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
1804 return FALSE;
1805
1806 if (!URLCache_FindHashW(pHeader, lpszUrl, &pHashEntry))
1807 {
1808 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1809 WARN("entry %s not found!\n", debugstr_w(lpszUrl));
1810 SetLastError(ERROR_FILE_NOT_FOUND);
1811 return FALSE;
1812 }
1813
1814 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
1815 if (pEntry->dwSignature != URL_SIGNATURE)
1816 {
1817 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1818 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
1819 SetLastError(ERROR_FILE_NOT_FOUND);
1820 return FALSE;
1821 }
1822
1823 URLCache_SetEntryInfo(
1824 (URL_CACHEFILE_ENTRY *)pEntry,
1825 lpCacheEntryInfo,
1826 dwFieldControl);
1827
1828 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1829
1830 return TRUE;
1831 }
1832
1833 /***********************************************************************
1834 * RetrieveUrlCacheEntryFileA (WININET.@)
1835 *
1836 */
1837 BOOL WINAPI RetrieveUrlCacheEntryFileA(
1838 IN LPCSTR lpszUrlName,
1839 OUT LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo,
1840 IN OUT LPDWORD lpdwCacheEntryInfoBufferSize,
1841 IN DWORD dwReserved
1842 )
1843 {
1844 LPURLCACHE_HEADER pHeader;
1845 struct _HASH_ENTRY * pHashEntry;
1846 CACHEFILE_ENTRY * pEntry;
1847 URL_CACHEFILE_ENTRY * pUrlEntry;
1848 URLCACHECONTAINER * pContainer;
1849 DWORD error;
1850
1851 TRACE("(%s, %p, %p, 0x%08x)\n",
1852 debugstr_a(lpszUrlName),
1853 lpCacheEntryInfo,
1854 lpdwCacheEntryInfoBufferSize,
1855 dwReserved);
1856
1857 if (!lpszUrlName || !lpdwCacheEntryInfoBufferSize ||
1858 (!lpCacheEntryInfo && *lpdwCacheEntryInfoBufferSize))
1859 {
1860 SetLastError(ERROR_INVALID_PARAMETER);
1861 return FALSE;
1862 }
1863
1864 error = URLCacheContainers_FindContainerA(lpszUrlName, &pContainer);
1865 if (error != ERROR_SUCCESS)
1866 {
1867 SetLastError(error);
1868 return FALSE;
1869 }
1870
1871 error = URLCacheContainer_OpenIndex(pContainer);
1872 if (error != ERROR_SUCCESS)
1873 {
1874 SetLastError(error);
1875 return FALSE;
1876 }
1877
1878 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
1879 return FALSE;
1880
1881 if (!URLCache_FindHash(pHeader, lpszUrlName, &pHashEntry))
1882 {
1883 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1884 TRACE("entry %s not found!\n", lpszUrlName);
1885 SetLastError(ERROR_FILE_NOT_FOUND);
1886 return FALSE;
1887 }
1888
1889 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
1890 if (pEntry->dwSignature != URL_SIGNATURE)
1891 {
1892 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1893 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
1894 SetLastError(ERROR_FILE_NOT_FOUND);
1895 return FALSE;
1896 }
1897
1898 pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry;
1899 if (!pUrlEntry->dwOffsetLocalName)
1900 {
1901 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1902 SetLastError(ERROR_INVALID_DATA);
1903 return FALSE;
1904 }
1905
1906 TRACE("Found URL: %s\n", (LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl);
1907 TRACE("Header info: %s\n", (LPBYTE)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo);
1908
1909 pUrlEntry->dwHitRate++;
1910 pUrlEntry->dwUseCount++;
1911 URLCache_HashEntrySetUse(pHashEntry, pUrlEntry->dwUseCount);
1912
1913 error = URLCache_CopyEntry(pContainer, pHeader, lpCacheEntryInfo,
1914 lpdwCacheEntryInfoBufferSize, pUrlEntry,
1915 FALSE);
1916 if (error != ERROR_SUCCESS)
1917 {
1918 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1919 SetLastError(error);
1920 return FALSE;
1921 }
1922 TRACE("Local File Name: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName));
1923
1924 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1925
1926 return TRUE;
1927 }
1928
1929 /***********************************************************************
1930 * RetrieveUrlCacheEntryFileW (WININET.@)
1931 *
1932 */
1933 BOOL WINAPI RetrieveUrlCacheEntryFileW(
1934 IN LPCWSTR lpszUrlName,
1935 OUT LPINTERNET_CACHE_ENTRY_INFOW lpCacheEntryInfo,
1936 IN OUT LPDWORD lpdwCacheEntryInfoBufferSize,
1937 IN DWORD dwReserved
1938 )
1939 {
1940 LPURLCACHE_HEADER pHeader;
1941 struct _HASH_ENTRY * pHashEntry;
1942 CACHEFILE_ENTRY * pEntry;
1943 URL_CACHEFILE_ENTRY * pUrlEntry;
1944 URLCACHECONTAINER * pContainer;
1945 DWORD error;
1946
1947 TRACE("(%s, %p, %p, 0x%08x)\n",
1948 debugstr_w(lpszUrlName),
1949 lpCacheEntryInfo,
1950 lpdwCacheEntryInfoBufferSize,
1951 dwReserved);
1952
1953 if (!lpszUrlName || !lpdwCacheEntryInfoBufferSize ||
1954 (!lpCacheEntryInfo && *lpdwCacheEntryInfoBufferSize))
1955 {
1956 SetLastError(ERROR_INVALID_PARAMETER);
1957 return FALSE;
1958 }
1959
1960 error = URLCacheContainers_FindContainerW(lpszUrlName, &pContainer);
1961 if (error != ERROR_SUCCESS)
1962 {
1963 SetLastError(error);
1964 return FALSE;
1965 }
1966
1967 error = URLCacheContainer_OpenIndex(pContainer);
1968 if (error != ERROR_SUCCESS)
1969 {
1970 SetLastError(error);
1971 return FALSE;
1972 }
1973
1974 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
1975 return FALSE;
1976
1977 if (!URLCache_FindHashW(pHeader, lpszUrlName, &pHashEntry))
1978 {
1979 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1980 TRACE("entry %s not found!\n", debugstr_w(lpszUrlName));
1981 SetLastError(ERROR_FILE_NOT_FOUND);
1982 return FALSE;
1983 }
1984
1985 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
1986 if (pEntry->dwSignature != URL_SIGNATURE)
1987 {
1988 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1989 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
1990 SetLastError(ERROR_FILE_NOT_FOUND);
1991 return FALSE;
1992 }
1993
1994 pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry;
1995 if (!pUrlEntry->dwOffsetLocalName)
1996 {
1997 URLCacheContainer_UnlockIndex(pContainer, pHeader);
1998 SetLastError(ERROR_INVALID_DATA);
1999 return FALSE;
2000 }
2001
2002 TRACE("Found URL: %s\n", (LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl);
2003 TRACE("Header info: %s\n", (LPBYTE)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo);
2004
2005 pUrlEntry->dwHitRate++;
2006 pUrlEntry->dwUseCount++;
2007 URLCache_HashEntrySetUse(pHashEntry, pUrlEntry->dwUseCount);
2008
2009 error = URLCache_CopyEntry(
2010 pContainer,
2011 pHeader,
2012 (LPINTERNET_CACHE_ENTRY_INFOA)lpCacheEntryInfo,
2013 lpdwCacheEntryInfoBufferSize,
2014 pUrlEntry,
2015 TRUE /* UNICODE */);
2016 if (error != ERROR_SUCCESS)
2017 {
2018 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2019 SetLastError(error);
2020 return FALSE;
2021 }
2022 TRACE("Local File Name: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName));
2023
2024 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2025
2026 return TRUE;
2027 }
2028
2029 /***********************************************************************
2030 * UnlockUrlCacheEntryFileA (WININET.@)
2031 *
2032 */
2033 BOOL WINAPI UnlockUrlCacheEntryFileA(
2034 IN LPCSTR lpszUrlName,
2035 IN DWORD dwReserved
2036 )
2037 {
2038 LPURLCACHE_HEADER pHeader;
2039 struct _HASH_ENTRY * pHashEntry;
2040 CACHEFILE_ENTRY * pEntry;
2041 URL_CACHEFILE_ENTRY * pUrlEntry;
2042 URLCACHECONTAINER * pContainer;
2043 DWORD error;
2044
2045 TRACE("(%s, 0x%08x)\n", debugstr_a(lpszUrlName), dwReserved);
2046
2047 if (dwReserved)
2048 {
2049 ERR("dwReserved != 0\n");
2050 SetLastError(ERROR_INVALID_PARAMETER);
2051 return FALSE;
2052 }
2053
2054 error = URLCacheContainers_FindContainerA(lpszUrlName, &pContainer);
2055 if (error != ERROR_SUCCESS)
2056 {
2057 SetLastError(error);
2058 return FALSE;
2059 }
2060
2061 error = URLCacheContainer_OpenIndex(pContainer);
2062 if (error != ERROR_SUCCESS)
2063 {
2064 SetLastError(error);
2065 return FALSE;
2066 }
2067
2068 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
2069 return FALSE;
2070
2071 if (!URLCache_FindHash(pHeader, lpszUrlName, &pHashEntry))
2072 {
2073 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2074 TRACE("entry %s not found!\n", lpszUrlName);
2075 SetLastError(ERROR_FILE_NOT_FOUND);
2076 return FALSE;
2077 }
2078
2079 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
2080 if (pEntry->dwSignature != URL_SIGNATURE)
2081 {
2082 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2083 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
2084 SetLastError(ERROR_FILE_NOT_FOUND);
2085 return FALSE;
2086 }
2087
2088 pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry;
2089
2090 if (pUrlEntry->dwUseCount == 0)
2091 {
2092 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2093 return FALSE;
2094 }
2095 pUrlEntry->dwUseCount--;
2096 URLCache_HashEntrySetUse(pHashEntry, pUrlEntry->dwUseCount);
2097
2098 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2099
2100 return TRUE;
2101 }
2102
2103 /***********************************************************************
2104 * UnlockUrlCacheEntryFileW (WININET.@)
2105 *
2106 */
2107 BOOL WINAPI UnlockUrlCacheEntryFileW( LPCWSTR lpszUrlName, DWORD dwReserved )
2108 {
2109 LPURLCACHE_HEADER pHeader;
2110 struct _HASH_ENTRY * pHashEntry;
2111 CACHEFILE_ENTRY * pEntry;
2112 URL_CACHEFILE_ENTRY * pUrlEntry;
2113 URLCACHECONTAINER * pContainer;
2114 DWORD error;
2115
2116 TRACE("(%s, 0x%08x)\n", debugstr_w(lpszUrlName), dwReserved);
2117
2118 if (dwReserved)
2119 {
2120 ERR("dwReserved != 0\n");
2121 SetLastError(ERROR_INVALID_PARAMETER);
2122 return FALSE;
2123 }
2124
2125 error = URLCacheContainers_FindContainerW(lpszUrlName, &pContainer);
2126 if (error != ERROR_SUCCESS)
2127 {
2128 SetLastError(error);
2129 return FALSE;
2130 }
2131
2132 error = URLCacheContainer_OpenIndex(pContainer);
2133 if (error != ERROR_SUCCESS)
2134 {
2135 SetLastError(error);
2136 return FALSE;
2137 }
2138
2139 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
2140 return FALSE;
2141
2142 if (!URLCache_FindHashW(pHeader, lpszUrlName, &pHashEntry))
2143 {
2144 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2145 TRACE("entry %s not found!\n", debugstr_w(lpszUrlName));
2146 SetLastError(ERROR_FILE_NOT_FOUND);
2147 return FALSE;
2148 }
2149
2150 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
2151 if (pEntry->dwSignature != URL_SIGNATURE)
2152 {
2153 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2154 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPSTR)&pEntry->dwSignature, sizeof(DWORD)));
2155 SetLastError(ERROR_FILE_NOT_FOUND);
2156 return FALSE;
2157 }
2158
2159 pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry;
2160
2161 if (pUrlEntry->dwUseCount == 0)
2162 {
2163 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2164 return FALSE;
2165 }
2166 pUrlEntry->dwUseCount--;
2167 URLCache_HashEntrySetUse(pHashEntry, pUrlEntry->dwUseCount);
2168
2169 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2170
2171 return TRUE;
2172 }
2173
2174 /***********************************************************************
2175 * CreateUrlCacheEntryA (WININET.@)
2176 *
2177 */
2178 BOOL WINAPI CreateUrlCacheEntryA(
2179 IN LPCSTR lpszUrlName,
2180 IN DWORD dwExpectedFileSize,
2181 IN LPCSTR lpszFileExtension,
2182 OUT LPSTR lpszFileName,
2183 IN DWORD dwReserved
2184 )
2185 {
2186 WCHAR *url_name;
2187 WCHAR *file_extension = NULL;
2188 WCHAR file_name[MAX_PATH];
2189 BOOL bSuccess = FALSE;
2190 DWORD dwError = 0;
2191
2192 TRACE("(%s %d %s %p %d)\n", debugstr_a(lpszUrlName), dwExpectedFileSize,
2193 debugstr_a(lpszFileExtension), lpszFileName, dwReserved);
2194
2195 if (lpszUrlName && (url_name = heap_strdupAtoW(lpszUrlName)))
2196 {
2197 if (!lpszFileExtension || (file_extension = heap_strdupAtoW(lpszFileExtension)))
2198 {
2199 if (CreateUrlCacheEntryW(url_name, dwExpectedFileSize, file_extension, file_name, dwReserved))
2200 {
2201 if (WideCharToMultiByte(CP_ACP, 0, file_name, -1, lpszFileName, MAX_PATH, NULL, NULL) < MAX_PATH)
2202 {
2203 bSuccess = TRUE;
2204 }
2205 else
2206 {
2207 dwError = GetLastError();
2208 }
2209 }
2210 else
2211 {
2212 dwError = GetLastError();
2213 }
2214 HeapFree(GetProcessHeap(), 0, file_extension);
2215 }
2216 else
2217 {
2218 dwError = GetLastError();
2219 }
2220 HeapFree(GetProcessHeap(), 0, url_name);
2221 if (!bSuccess)
2222 SetLastError(dwError);
2223 }
2224 return bSuccess;
2225 }
2226 /***********************************************************************
2227 * CreateUrlCacheEntryW (WININET.@)
2228 *
2229 */
2230 BOOL WINAPI CreateUrlCacheEntryW(
2231 IN LPCWSTR lpszUrlName,
2232 IN DWORD dwExpectedFileSize,
2233 IN LPCWSTR lpszFileExtension,
2234 OUT LPWSTR lpszFileName,
2235 IN DWORD dwReserved
2236 )
2237 {
2238 URLCACHECONTAINER * pContainer;
2239 LPURLCACHE_HEADER pHeader;
2240 CHAR szFile[MAX_PATH];
2241 WCHAR szExtension[MAX_PATH];
2242 LPCWSTR lpszUrlPart;
2243 LPCWSTR lpszUrlEnd;
2244 LPCWSTR lpszFileNameExtension;
2245 LPWSTR lpszFileNameNoPath;
2246 int i;
2247 int countnoextension;
2248 BYTE CacheDir;
2249 LONG lBufferSize;
2250 BOOL bFound = FALSE;
2251 int count;
2252 DWORD error;
2253 HANDLE hFile;
2254 FILETIME ft;
2255
2256 static const WCHAR szWWW[] = {'w','w','w',0};
2257 static const WCHAR fmt[] = {'%','0','8','X','%','s',0};
2258
2259 TRACE("(%s, 0x%08x, %s, %p, 0x%08x)\n",
2260 debugstr_w(lpszUrlName),
2261 dwExpectedFileSize,
2262 debugstr_w(lpszFileExtension),
2263 lpszFileName,
2264 dwReserved);
2265
2266 if (dwReserved)
2267 FIXME("dwReserved 0x%08x\n", dwReserved);
2268
2269 lpszUrlEnd = lpszUrlName + strlenW(lpszUrlName);
2270
2271 if (((lpszUrlEnd - lpszUrlName) > 1) && (*(lpszUrlEnd - 1) == '/' || *(lpszUrlEnd - 1) == '\\'))
2272 lpszUrlEnd--;
2273
2274 for (lpszUrlPart = lpszUrlEnd;
2275 (lpszUrlPart >= lpszUrlName);
2276 lpszUrlPart--)
2277 {
2278 if ((*lpszUrlPart == '/' || *lpszUrlPart == '\\') && ((lpszUrlEnd - lpszUrlPart) > 1))
2279 {
2280 bFound = TRUE;
2281 lpszUrlPart++;
2282 break;
2283 }
2284 else if(*lpszUrlPart == '?' || *lpszUrlPart == '#')
2285 {
2286 lpszUrlEnd = lpszUrlPart;
2287 }
2288 }
2289 if (!lstrcmpW(lpszUrlPart, szWWW))
2290 {
2291 lpszUrlPart += lstrlenW(szWWW);
2292 }
2293
2294 count = lpszUrlEnd - lpszUrlPart;
2295
2296 if (bFound && (count < MAX_PATH))
2297 {
2298 int len = WideCharToMultiByte(CP_ACP, 0, lpszUrlPart, count, szFile, sizeof(szFile) - 1, NULL, NULL);
2299 if (!len)
2300 return FALSE;
2301 szFile[len] = '\0';
2302 while(len && szFile[--len] == '/') szFile[len] = '\0';
2303
2304 /* FIXME: get rid of illegal characters like \, / and : */
2305 }
2306 else
2307 {
2308 FIXME("need to generate a random filename\n");
2309 }
2310
2311 TRACE("File name: %s\n", debugstr_a(szFile));
2312
2313 error = URLCacheContainers_FindContainerW(lpszUrlName, &pContainer);
2314 if (error != ERROR_SUCCESS)
2315 {
2316 SetLastError(error);
2317 return FALSE;
2318 }
2319
2320 error = URLCacheContainer_OpenIndex(pContainer);
2321 if (error != ERROR_SUCCESS)
2322 {
2323 SetLastError(error);
2324 return FALSE;
2325 }
2326
2327 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
2328 return FALSE;
2329
2330 CacheDir = (BYTE)(rand() % pHeader->DirectoryCount);
2331
2332 lBufferSize = MAX_PATH * sizeof(WCHAR);
2333 URLCache_LocalFileNameToPathW(pContainer, pHeader, szFile, CacheDir, lpszFileName, &lBufferSize);
2334
2335 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2336
2337 for (lpszFileNameNoPath = lpszFileName + lBufferSize / sizeof(WCHAR) - 2;
2338 lpszFileNameNoPath >= lpszFileName;
2339 --lpszFileNameNoPath)
2340 {
2341 if (*lpszFileNameNoPath == '/' || *lpszFileNameNoPath == '\\')
2342 break;
2343 }
2344
2345 countnoextension = lstrlenW(lpszFileNameNoPath);
2346 lpszFileNameExtension = PathFindExtensionW(lpszFileNameNoPath);
2347 if (lpszFileNameExtension)
2348 countnoextension -= lstrlenW(lpszFileNameExtension);
2349 *szExtension = '\0';
2350
2351 if (lpszFileExtension)
2352 {
2353 szExtension[0] = '.';
2354 lstrcpyW(szExtension+1, lpszFileExtension);
2355 }
2356
2357 for (i = 0; i < 255; i++)
2358 {
2359 static const WCHAR szFormat[] = {'[','%','u',']','%','s',0};
2360 WCHAR *p;
2361
2362 wsprintfW(lpszFileNameNoPath + countnoextension, szFormat, i, szExtension);
2363 for (p = lpszFileNameNoPath + 1; *p; p++)
2364 {
2365 switch (*p)
2366 {
2367 case '<': case '>':
2368 case ':': case '"':
2369 case '/': case '\\':
2370 case '|': case '?':
2371 case '*':
2372 *p = '_'; break;
2373 default: break;
2374 }
2375 }
2376 if (p[-1] == ' ' || p[-1] == '.') p[-1] = '_';
2377
2378 TRACE("Trying: %s\n", debugstr_w(lpszFileName));
2379 hFile = CreateFileW(lpszFileName, GENERIC_READ, 0, NULL, CREATE_NEW, 0, NULL);
2380 if (hFile != INVALID_HANDLE_VALUE)
2381 {
2382 CloseHandle(hFile);
2383 return TRUE;
2384 }
2385 }
2386
2387 GetSystemTimeAsFileTime(&ft);
2388 wsprintfW(lpszFileNameNoPath + countnoextension, fmt, ft.dwLowDateTime, szExtension);
2389
2390 TRACE("Trying: %s\n", debugstr_w(lpszFileName));
2391 hFile = CreateFileW(lpszFileName, GENERIC_READ, 0, NULL, CREATE_NEW, 0, NULL);
2392 if (hFile != INVALID_HANDLE_VALUE)
2393 {
2394 CloseHandle(hFile);
2395 return TRUE;
2396 }
2397
2398 WARN("Could not find a unique filename\n");
2399 return FALSE;
2400 }
2401
2402
2403 /***********************************************************************
2404 * CommitUrlCacheEntryInternal (Compensates for an MS bug)
2405 *
2406 * The bug we are compensating for is that some drongo at Microsoft
2407 * used lpHeaderInfo to pass binary data to CommitUrlCacheEntryA.
2408 * As a consequence, CommitUrlCacheEntryA has been effectively
2409 * redefined as LPBYTE rather than LPCSTR. But CommitUrlCacheEntryW
2410 * is still defined as LPCWSTR. The result (other than madness) is
2411 * that we always need to store lpHeaderInfo in CP_ACP rather than
2412 * in UTF16, and we need to avoid converting lpHeaderInfo in
2413 * CommitUrlCacheEntryA to UTF16 and then back to CP_ACP, since the
2414 * result will lose data for arbitrary binary data.
2415 *
2416 */
2417 static BOOL CommitUrlCacheEntryInternal(
2418 IN LPCWSTR lpszUrlName,
2419 IN LPCWSTR lpszLocalFileName,
2420 IN FILETIME ExpireTime,
2421 IN FILETIME LastModifiedTime,
2422 IN DWORD CacheEntryType,
2423 IN LPBYTE lpHeaderInfo,
2424 IN DWORD dwHeaderSize,
2425 IN LPCWSTR lpszFileExtension,
2426 IN LPCWSTR lpszOriginalUrl
2427 )
2428 {
2429 URLCACHECONTAINER * pContainer;
2430 LPURLCACHE_HEADER pHeader;
2431 struct _HASH_ENTRY * pHashEntry;
2432 CACHEFILE_ENTRY * pEntry;
2433 URL_CACHEFILE_ENTRY * pUrlEntry;
2434 DWORD dwBytesNeeded = DWORD_ALIGN(sizeof(*pUrlEntry));
2435 DWORD dwOffsetLocalFileName = 0;
2436 DWORD dwOffsetHeader = 0;
2437 DWORD dwOffsetFileExtension = 0;
2438 DWORD dwFileSizeLow = 0;
2439 DWORD dwFileSizeHigh = 0;
2440 BYTE cDirectory = 0;
2441 char achFile[MAX_PATH];
2442 LPSTR lpszUrlNameA = NULL;
2443 LPSTR lpszFileExtensionA = NULL;
2444 char *pchLocalFileName = 0;
2445 DWORD error;
2446
2447 TRACE("(%s, %s, ..., ..., %x, %p, %d, %s, %s)\n",
2448 debugstr_w(lpszUrlName),
2449 debugstr_w(lpszLocalFileName),
2450 CacheEntryType,
2451 lpHeaderInfo,
2452 dwHeaderSize,
2453 debugstr_w(lpszFileExtension),
2454 debugstr_w(lpszOriginalUrl));
2455
2456 if (lpszOriginalUrl)
2457 WARN(": lpszOriginalUrl ignored\n");
2458
2459 if (lpszLocalFileName)
2460 {
2461 HANDLE hFile;
2462
2463 hFile = CreateFileW(lpszLocalFileName, FILE_READ_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, 0, NULL);
2464 if (hFile == INVALID_HANDLE_VALUE)
2465 {
2466 ERR("couldn't open file %s (error is %d)\n", debugstr_w(lpszLocalFileName), GetLastError());
2467 return FALSE;
2468 }
2469
2470 /* Get file size */
2471 dwFileSizeLow = GetFileSize(hFile, &dwFileSizeHigh);
2472 if ((dwFileSizeLow == INVALID_FILE_SIZE) && (GetLastError() != NO_ERROR))
2473 {
2474 ERR("couldn't get file size (error is %d)\n", GetLastError());
2475 CloseHandle(hFile);
2476 return FALSE;
2477 }
2478
2479 CloseHandle(hFile);
2480 }
2481
2482 error = URLCacheContainers_FindContainerW(lpszUrlName, &pContainer);
2483 if (error != ERROR_SUCCESS)
2484 {
2485 SetLastError(error);
2486 return FALSE;
2487 }
2488
2489 error = URLCacheContainer_OpenIndex(pContainer);
2490 if (error != ERROR_SUCCESS)
2491 {
2492 SetLastError(error);
2493 return FALSE;
2494 }
2495
2496 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
2497 return FALSE;
2498
2499 lpszUrlNameA = heap_strdupWtoA(lpszUrlName);
2500 if (!lpszUrlNameA)
2501 {
2502 error = GetLastError();
2503 goto cleanup;
2504 }
2505
2506 if (lpszFileExtension && !(lpszFileExtensionA = heap_strdupWtoA(lpszFileExtension)))
2507 {
2508 error = GetLastError();
2509 goto cleanup;
2510 }
2511
2512 if (URLCache_FindHash(pHeader, lpszUrlNameA, &pHashEntry))
2513 {
2514 FIXME("entry already in cache - don't know what to do!\n");
2515 /*
2516 * SetLastError(ERROR_FILE_NOT_FOUND);
2517 * return FALSE;
2518 */
2519 goto cleanup;
2520 }
2521
2522 if (lpszLocalFileName)
2523 {
2524 BOOL bFound = FALSE;
2525
2526 if (strncmpW(lpszLocalFileName, pContainer->path, lstrlenW(pContainer->path)))
2527 {
2528 ERR("path %s must begin with cache content path %s\n", debugstr_w(lpszLocalFileName), debugstr_w(pContainer->path));
2529 error = ERROR_INVALID_PARAMETER;
2530 goto cleanup;
2531 }
2532
2533 /* skip container path prefix */
2534 lpszLocalFileName += lstrlenW(pContainer->path);
2535
2536 WideCharToMultiByte(CP_ACP, 0, lpszLocalFileName, -1, achFile, MAX_PATH, NULL, NULL);
2537 pchLocalFileName = achFile;
2538
2539 for (cDirectory = 0; cDirectory < pHeader->DirectoryCount; cDirectory++)
2540 {
2541 if (!strncmp(pHeader->directory_data[cDirectory].filename, pchLocalFileName, DIR_LENGTH))
2542 {
2543 bFound = TRUE;
2544 break;
2545 }
2546 }
2547
2548 if (!bFound)
2549 {
2550 ERR("cache directory not found in path %s\n", debugstr_w(lpszLocalFileName));
2551 error = ERROR_INVALID_PARAMETER;
2552 goto cleanup;
2553 }
2554
2555 lpszLocalFileName += (DIR_LENGTH + 1); /* "1234WXYZ\" */
2556 }
2557
2558 dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + strlen(lpszUrlNameA) + 1);
2559 if (lpszLocalFileName)
2560 {
2561 dwOffsetLocalFileName = dwBytesNeeded;
2562 dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + strlen(pchLocalFileName) + 1);
2563 }
2564 if (lpHeaderInfo)
2565 {
2566 dwOffsetHeader = dwBytesNeeded;
2567 dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + dwHeaderSize);
2568 }
2569 if (lpszFileExtensionA)
2570 {
2571 dwOffsetFileExtension = dwBytesNeeded;
2572 dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + strlen(lpszFileExtensionA) + 1);
2573 }
2574
2575 /* round up to next block */
2576 if (dwBytesNeeded % BLOCKSIZE)
2577 {
2578 dwBytesNeeded -= dwBytesNeeded % BLOCKSIZE;
2579 dwBytesNeeded += BLOCKSIZE;
2580 }
2581
2582 if (!URLCache_FindFirstFreeEntry(pHeader, dwBytesNeeded / BLOCKSIZE, &pEntry))
2583 {
2584 ERR("no free entries\n");
2585 error = ERROR_DISK_FULL;
2586 goto cleanup;
2587 }
2588
2589 /* FindFirstFreeEntry fills in blocks used */
2590 pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry;
2591 pUrlEntry->CacheFileEntry.dwSignature = URL_SIGNATURE;
2592 pUrlEntry->CacheDir = cDirectory;
2593 pUrlEntry->CacheEntryType = CacheEntryType;
2594 pUrlEntry->dwHeaderInfoSize = dwHeaderSize;
2595 pUrlEntry->dwExemptDelta = 0;
2596 pUrlEntry->dwHitRate = 0;
2597 pUrlEntry->dwOffsetFileExtension = dwOffsetFileExtension;
2598 pUrlEntry->dwOffsetHeaderInfo = dwOffsetHeader;
2599 pUrlEntry->dwOffsetLocalName = dwOffsetLocalFileName;
2600 pUrlEntry->dwOffsetUrl = DWORD_ALIGN(sizeof(*pUrlEntry));
2601 pUrlEntry->dwSizeHigh = 0;
2602 pUrlEntry->dwSizeLow = dwFileSizeLow;
2603 pUrlEntry->dwSizeHigh = dwFileSizeHigh;
2604 pUrlEntry->dwUseCount = 0;
2605 GetSystemTimeAsFileTime(&pUrlEntry->LastAccessTime);
2606 pUrlEntry->LastModifiedTime = LastModifiedTime;
2607 FileTimeToDosDateTime(&pUrlEntry->LastAccessTime, &pUrlEntry->wLastSyncDate, &pUrlEntry->wLastSyncTime);
2608 FileTimeToDosDateTime(&ExpireTime, &pUrlEntry->wExpiredDate, &pUrlEntry->wExpiredTime);
2609 pUrlEntry->wUnknownDate = pUrlEntry->wLastSyncDate;
2610 pUrlEntry->wUnknownTime = pUrlEntry->wLastSyncTime;
2611
2612 /*** Unknowns ***/
2613 pUrlEntry->dwUnknown1 = 0;
2614 pUrlEntry->dwUnknown2 = 0;
2615 pUrlEntry->dwUnknown3 = 0x60;
2616 pUrlEntry->Unknown4 = 0;
2617 pUrlEntry->wUnknown5 = 0x1010;
2618 pUrlEntry->dwUnknown7 = 0;
2619 pUrlEntry->dwUnknown8 = 0;
2620
2621
2622 strcpy((LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl, lpszUrlNameA);
2623 if (dwOffsetLocalFileName)
2624 strcpy((LPSTR)((LPBYTE)pUrlEntry + dwOffsetLocalFileName), pchLocalFileName + DIR_LENGTH + 1);
2625 if (dwOffsetHeader)
2626 memcpy((LPBYTE)pUrlEntry + dwOffsetHeader, lpHeaderInfo, dwHeaderSize);
2627 if (dwOffsetFileExtension)
2628 strcpy((LPSTR)((LPBYTE)pUrlEntry + dwOffsetFileExtension), lpszFileExtensionA);
2629
2630 error = URLCache_AddEntryToHash(pHeader, lpszUrlNameA,
2631 (DWORD)((LPBYTE)pUrlEntry - (LPBYTE)pHeader));
2632 if (error != ERROR_SUCCESS)
2633 URLCache_DeleteEntry(pHeader, &pUrlEntry->CacheFileEntry);
2634
2635 cleanup:
2636 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2637 HeapFree(GetProcessHeap(), 0, lpszUrlNameA);
2638 HeapFree(GetProcessHeap(), 0, lpszFileExtensionA);
2639
2640 if (error == ERROR_SUCCESS)
2641 return TRUE;
2642 else
2643 {
2644 SetLastError(error);
2645 return FALSE;
2646 }
2647 }
2648
2649 /***********************************************************************
2650 * CommitUrlCacheEntryA (WININET.@)
2651 *
2652 */
2653 BOOL WINAPI CommitUrlCacheEntryA(
2654 IN LPCSTR lpszUrlName,
2655 IN LPCSTR lpszLocalFileName,
2656 IN FILETIME ExpireTime,
2657 IN FILETIME LastModifiedTime,
2658 IN DWORD CacheEntryType,
2659 IN LPBYTE lpHeaderInfo,
2660 IN DWORD dwHeaderSize,
2661 IN LPCSTR lpszFileExtension,
2662 IN LPCSTR lpszOriginalUrl
2663 )
2664 {
2665 WCHAR *url_name = NULL;
2666 WCHAR *local_file_name = NULL;
2667 WCHAR *original_url = NULL;
2668 WCHAR *file_extension = NULL;
2669 BOOL bSuccess = FALSE;
2670
2671 TRACE("(%s, %s, ..., ..., %x, %p, %d, %s, %s)\n",
2672 debugstr_a(lpszUrlName),
2673 debugstr_a(lpszLocalFileName),
2674 CacheEntryType,
2675 lpHeaderInfo,
2676 dwHeaderSize,
2677 debugstr_a(lpszFileExtension),
2678 debugstr_a(lpszOriginalUrl));
2679
2680 url_name = heap_strdupAtoW(lpszUrlName);
2681 if (!url_name)
2682 goto cleanup;
2683
2684 if (lpszLocalFileName)
2685 {
2686 local_file_name = heap_strdupAtoW(lpszLocalFileName);
2687 if (!local_file_name)
2688 goto cleanup;
2689 }
2690 if (lpszFileExtension)
2691 {
2692 file_extension = heap_strdupAtoW(lpszFileExtension);
2693 if (!file_extension)
2694 goto cleanup;
2695 }
2696 if (lpszOriginalUrl)
2697 {
2698 original_url = heap_strdupAtoW(lpszOriginalUrl);
2699 if (!original_url)
2700 goto cleanup;
2701 }
2702
2703 bSuccess = CommitUrlCacheEntryInternal(url_name, local_file_name, ExpireTime, LastModifiedTime,
2704 CacheEntryType, lpHeaderInfo, dwHeaderSize,
2705 file_extension, original_url);
2706
2707 cleanup:
2708 HeapFree(GetProcessHeap(), 0, original_url);
2709 HeapFree(GetProcessHeap(), 0, file_extension);
2710 HeapFree(GetProcessHeap(), 0, local_file_name);
2711 HeapFree(GetProcessHeap(), 0, url_name);
2712
2713 return bSuccess;
2714 }
2715
2716 /***********************************************************************
2717 * CommitUrlCacheEntryW (WININET.@)
2718 *
2719 */
2720 BOOL WINAPI CommitUrlCacheEntryW(
2721 IN LPCWSTR lpszUrlName,
2722 IN LPCWSTR lpszLocalFileName,
2723 IN FILETIME ExpireTime,
2724 IN FILETIME LastModifiedTime,
2725 IN DWORD CacheEntryType,
2726 IN LPWSTR lpHeaderInfo,
2727 IN DWORD dwHeaderSize,
2728 IN LPCWSTR lpszFileExtension,
2729 IN LPCWSTR lpszOriginalUrl
2730 )
2731 {
2732 DWORD dwError = 0;
2733 BOOL bSuccess = FALSE;
2734 DWORD len = 0;
2735 CHAR *header_info = NULL;
2736
2737 TRACE("(%s, %s, ..., ..., %x, %p, %d, %s, %s)\n",
2738 debugstr_w(lpszUrlName),
2739 debugstr_w(lpszLocalFileName),
2740 CacheEntryType,
2741 lpHeaderInfo,
2742 dwHeaderSize,
2743 debugstr_w(lpszFileExtension),
2744 debugstr_w(lpszOriginalUrl));
2745
2746 if (!lpHeaderInfo || (header_info = heap_strdupWtoA(lpHeaderInfo)))
2747 {
2748 if (CommitUrlCacheEntryInternal(lpszUrlName, lpszLocalFileName, ExpireTime, LastModifiedTime,
2749 CacheEntryType, (LPBYTE)header_info, len, lpszFileExtension, lpszOriginalUrl))
2750 {
2751 bSuccess = TRUE;
2752 }
2753 else
2754 {
2755 dwError = GetLastError();
2756 }
2757 if (header_info)
2758 {
2759 HeapFree(GetProcessHeap(), 0, header_info);
2760 if (!bSuccess)
2761 SetLastError(dwError);
2762 }
2763 }
2764 return bSuccess;
2765 }
2766
2767 /***********************************************************************
2768 * ReadUrlCacheEntryStream (WININET.@)
2769 *
2770 */
2771 BOOL WINAPI ReadUrlCacheEntryStream(
2772 IN HANDLE hUrlCacheStream,
2773 IN DWORD dwLocation,
2774 IN OUT LPVOID lpBuffer,
2775 IN OUT LPDWORD lpdwLen,
2776 IN DWORD dwReserved
2777 )
2778 {
2779 /* Get handle to file from 'stream' */
2780 STREAM_HANDLE * pStream = (STREAM_HANDLE *)hUrlCacheStream;
2781
2782 if (dwReserved != 0)
2783 {
2784 ERR("dwReserved != 0\n");
2785 SetLastError(ERROR_INVALID_PARAMETER);
2786 return FALSE;
2787 }
2788
2789 if (IsBadReadPtr(pStream, sizeof(*pStream)) || IsBadStringPtrA(pStream->lpszUrl, INTERNET_MAX_URL_LENGTH))
2790 {
2791 SetLastError(ERROR_INVALID_HANDLE);
2792 return FALSE;
2793 }
2794
2795 if (SetFilePointer(pStream->hFile, dwLocation, NULL, FILE_CURRENT) == INVALID_SET_FILE_POINTER)
2796 return FALSE;
2797 return ReadFile(pStream->hFile, lpBuffer, *lpdwLen, lpdwLen, NULL);
2798 }
2799
2800 /***********************************************************************
2801 * RetrieveUrlCacheEntryStreamA (WININET.@)
2802 *
2803 */
2804 HANDLE WINAPI RetrieveUrlCacheEntryStreamA(
2805 IN LPCSTR lpszUrlName,
2806 OUT LPINTERNET_CACHE_ENTRY_INFOA lpCacheEntryInfo,
2807 IN OUT LPDWORD lpdwCacheEntryInfoBufferSize,
2808 IN BOOL fRandomRead,
2809 IN DWORD dwReserved
2810 )
2811 {
2812 /* NOTE: this is not the same as the way that the native
2813 * version allocates 'stream' handles. I did it this way
2814 * as it is much easier and no applications should depend
2815 * on this behaviour. (Native version appears to allocate
2816 * indices into a table)
2817 */
2818 STREAM_HANDLE * pStream;
2819 HANDLE hFile;
2820
2821 TRACE( "(%s, %p, %p, %x, 0x%08x)\n", debugstr_a(lpszUrlName), lpCacheEntryInfo,
2822 lpdwCacheEntryInfoBufferSize, fRandomRead, dwReserved );
2823
2824 if (!RetrieveUrlCacheEntryFileA(lpszUrlName,
2825 lpCacheEntryInfo,
2826 lpdwCacheEntryInfoBufferSize,
2827 dwReserved))
2828 {
2829 return NULL;
2830 }
2831
2832 hFile = CreateFileA(lpCacheEntryInfo->lpszLocalFileName,
2833 GENERIC_READ,
2834 FILE_SHARE_READ,
2835 NULL,
2836 OPEN_EXISTING,
2837 fRandomRead ? FILE_FLAG_RANDOM_ACCESS : 0,
2838 NULL);
2839 if (hFile == INVALID_HANDLE_VALUE)
2840 return FALSE;
2841
2842 /* allocate handle storage space */
2843 pStream = HeapAlloc(GetProcessHeap(), 0, sizeof(STREAM_HANDLE) + strlen(lpszUrlName) * sizeof(CHAR));
2844 if (!pStream)
2845 {
2846 CloseHandle(hFile);
2847 SetLastError(ERROR_OUTOFMEMORY);
2848 return FALSE;
2849 }
2850
2851 pStream->hFile = hFile;
2852 strcpy(pStream->lpszUrl, lpszUrlName);
2853 return pStream;
2854 }
2855
2856 /***********************************************************************
2857 * RetrieveUrlCacheEntryStreamW (WININET.@)
2858 *
2859 */
2860 HANDLE WINAPI RetrieveUrlCacheEntryStreamW(
2861 IN LPCWSTR lpszUrlName,
2862 OUT LPINTERNET_CACHE_ENTRY_INFOW lpCacheEntryInfo,
2863 IN OUT LPDWORD lpdwCacheEntryInfoBufferSize,
2864 IN BOOL fRandomRead,
2865 IN DWORD dwReserved
2866 )
2867 {
2868 FIXME( "(%s, %p, %p, %x, 0x%08x)\n", debugstr_w(lpszUrlName), lpCacheEntryInfo,
2869 lpdwCacheEntryInfoBufferSize, fRandomRead, dwReserved );
2870 return NULL;
2871 }
2872
2873 /***********************************************************************
2874 * UnlockUrlCacheEntryStream (WININET.@)
2875 *
2876 */
2877 BOOL WINAPI UnlockUrlCacheEntryStream(
2878 IN HANDLE hUrlCacheStream,
2879 IN DWORD dwReserved
2880 )
2881 {
2882 STREAM_HANDLE * pStream = (STREAM_HANDLE *)hUrlCacheStream;
2883
2884 if (dwReserved != 0)
2885 {
2886 ERR("dwReserved != 0\n");
2887 SetLastError(ERROR_INVALID_PARAMETER);
2888 return FALSE;
2889 }
2890
2891 if (IsBadReadPtr(pStream, sizeof(*pStream)) || IsBadStringPtrA(pStream->lpszUrl, INTERNET_MAX_URL_LENGTH))
2892 {
2893 SetLastError(ERROR_INVALID_HANDLE);
2894 return FALSE;
2895 }
2896
2897 if (!UnlockUrlCacheEntryFileA(pStream->lpszUrl, 0))
2898 return FALSE;
2899
2900 /* close file handle */
2901 CloseHandle(pStream->hFile);
2902
2903 /* free allocated space */
2904 HeapFree(GetProcessHeap(), 0, pStream);
2905
2906 return TRUE;
2907 }
2908
2909
2910 /***********************************************************************
2911 * DeleteUrlCacheEntryA (WININET.@)
2912 *
2913 */
2914 BOOL WINAPI DeleteUrlCacheEntryA(LPCSTR lpszUrlName)
2915 {
2916 URLCACHECONTAINER * pContainer;
2917 LPURLCACHE_HEADER pHeader;
2918 struct _HASH_ENTRY * pHashEntry;
2919 CACHEFILE_ENTRY * pEntry;
2920 DWORD error;
2921
2922 TRACE("(%s)\n", debugstr_a(lpszUrlName));
2923
2924 error = URLCacheContainers_FindContainerA(lpszUrlName, &pContainer);
2925 if (error != ERROR_SUCCESS)
2926 {
2927 SetLastError(error);
2928 return FALSE;
2929 }
2930
2931 error = URLCacheContainer_OpenIndex(pContainer);
2932 if (error != ERROR_SUCCESS)
2933 {
2934 SetLastError(error);
2935 return FALSE;
2936 }
2937
2938 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
2939 return FALSE;
2940
2941 if (!URLCache_FindHash(pHeader, lpszUrlName, &pHashEntry))
2942 {
2943 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2944 TRACE("entry %s not found!\n", lpszUrlName);
2945 SetLastError(ERROR_FILE_NOT_FOUND);
2946 return FALSE;
2947 }
2948
2949 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
2950 URLCache_DeleteEntry(pHeader, pEntry);
2951
2952 URLCache_DeleteEntryFromHash(pHashEntry);
2953
2954 URLCacheContainer_UnlockIndex(pContainer, pHeader);
2955
2956 return TRUE;
2957 }
2958
2959 /***********************************************************************
2960 * DeleteUrlCacheEntryW (WININET.@)
2961 *
2962 */
2963 BOOL WINAPI DeleteUrlCacheEntryW(LPCWSTR lpszUrlName)
2964 {
2965 URLCACHECONTAINER * pContainer;
2966 LPURLCACHE_HEADER pHeader;
2967 struct _HASH_ENTRY * pHashEntry;
2968 CACHEFILE_ENTRY * pEntry;
2969 LPSTR urlA;
2970 DWORD error;
2971
2972 TRACE("(%s)\n", debugstr_w(lpszUrlName));
2973
2974 urlA = heap_strdupWtoA(lpszUrlName);
2975 if (!urlA)
2976 {
2977 SetLastError(ERROR_OUTOFMEMORY);
2978 return FALSE;
2979 }
2980
2981 error = URLCacheContainers_FindContainerW(lpszUrlName, &pContainer);
2982 if (error != ERROR_SUCCESS)
2983 {
2984 HeapFree(GetProcessHeap(), 0, urlA);
2985 SetLastError(error);
2986 return FALSE;
2987 }
2988
2989 error = URLCacheContainer_OpenIndex(pContainer);
2990 if (error != ERROR_SUCCESS)
2991 {
2992 HeapFree(GetProcessHeap(), 0, urlA);
2993 SetLastError(error);
2994 return FALSE;
2995 }
2996
2997 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
2998 {
2999 HeapFree(GetProcessHeap(), 0, urlA);
3000 return FALSE;
3001 }
3002
3003 if (!URLCache_FindHash(pHeader, urlA, &pHashEntry))
3004 {
3005 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3006 TRACE("entry %s not found!\n", debugstr_a(urlA));
3007 HeapFree(GetProcessHeap(), 0, urlA);
3008 SetLastError(ERROR_FILE_NOT_FOUND);
3009 return FALSE;
3010 }
3011
3012 pEntry = (CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
3013 URLCache_DeleteEntry(pHeader, pEntry);
3014
3015 URLCache_DeleteEntryFromHash(pHashEntry);
3016
3017 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3018
3019 HeapFree(GetProcessHeap(), 0, urlA);
3020 return TRUE;
3021 }
3022
3023 BOOL WINAPI DeleteUrlCacheContainerA(DWORD d1, DWORD d2)
3024 {
3025 FIXME("(0x%08x, 0x%08x) stub\n", d1, d2);
3026 return TRUE;
3027 }
3028
3029 BOOL WINAPI DeleteUrlCacheContainerW(DWORD d1, DWORD d2)
3030 {
3031 FIXME("(0x%08x, 0x%08x) stub\n", d1, d2);
3032 return TRUE;
3033 }
3034
3035 /***********************************************************************
3036 * CreateCacheContainerA (WININET.@)
3037 */
3038 BOOL WINAPI CreateUrlCacheContainerA(DWORD d1, DWORD d2, DWORD d3, DWORD d4,
3039 DWORD d5, DWORD d6, DWORD d7, DWORD d8)
3040 {
3041 FIXME("(0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x) stub\n",
3042 d1, d2, d3, d4, d5, d6, d7, d8);
3043 return TRUE;
3044 }
3045
3046 /***********************************************************************
3047 * CreateCacheContainerW (WININET.@)
3048 */
3049 BOOL WINAPI CreateUrlCacheContainerW(DWORD d1, DWORD d2, DWORD d3, DWORD d4,
3050 DWORD d5, DWORD d6, DWORD d7, DWORD d8)
3051 {
3052 FIXME("(0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x) stub\n",
3053 d1, d2, d3, d4, d5, d6, d7, d8);
3054 return TRUE;
3055 }
3056
3057 /***********************************************************************
3058 * FindFirstUrlCacheContainerA (WININET.@)
3059 */
3060 HANDLE WINAPI FindFirstUrlCacheContainerA( LPVOID p1, LPVOID p2, LPVOID p3, DWORD d1 )
3061 {
3062 FIXME("(%p, %p, %p, 0x%08x) stub\n", p1, p2, p3, d1 );
3063 return NULL;
3064 }
3065
3066 /***********************************************************************
3067 * FindFirstUrlCacheContainerW (WININET.@)
3068 */
3069 HANDLE WINAPI FindFirstUrlCacheContainerW( LPVOID p1, LPVOID p2, LPVOID p3, DWORD d1 )
3070 {
3071 FIXME("(%p, %p, %p, 0x%08x) stub\n", p1, p2, p3, d1 );
3072 return NULL;
3073 }
3074
3075 /***********************************************************************
3076 * FindNextUrlCacheContainerA (WININET.@)
3077 */
3078 BOOL WINAPI FindNextUrlCacheContainerA( HANDLE handle, LPVOID p1, LPVOID p2 )
3079 {
3080 FIXME("(%p, %p, %p) stub\n", handle, p1, p2 );
3081 return FALSE;
3082 }
3083
3084 /***********************************************************************
3085 * FindNextUrlCacheContainerW (WININET.@)
3086 */
3087 BOOL WINAPI FindNextUrlCacheContainerW( HANDLE handle, LPVOID p1, LPVOID p2 )
3088 {
3089 FIXME("(%p, %p, %p) stub\n", handle, p1, p2 );
3090 return FALSE;
3091 }
3092
3093 HANDLE WINAPI FindFirstUrlCacheEntryExA(
3094 LPCSTR lpszUrlSearchPattern,
3095 DWORD dwFlags,
3096 DWORD dwFilter,
3097 GROUPID GroupId,
3098 LPINTERNET_CACHE_ENTRY_INFOA lpFirstCacheEntryInfo,
3099 LPDWORD lpdwFirstCacheEntryInfoBufferSize,
3100 LPVOID lpReserved,
3101 LPDWORD pcbReserved2,
3102 LPVOID lpReserved3
3103 )
3104 {
3105 FIXME("(%s, 0x%08x, 0x%08x, 0x%08x%08x, %p, %p, %p, %p, %p) stub\n", debugstr_a(lpszUrlSearchPattern),
3106 dwFlags, dwFilter, (ULONG)(GroupId >> 32), (ULONG)GroupId, lpFirstCacheEntryInfo,
3107 lpdwFirstCacheEntryInfoBufferSize, lpReserved, pcbReserved2,lpReserved3);
3108 SetLastError(ERROR_FILE_NOT_FOUND);
3109 return NULL;
3110 }
3111
3112 HANDLE WINAPI FindFirstUrlCacheEntryExW(
3113 LPCWSTR lpszUrlSearchPattern,
3114 DWORD dwFlags,
3115 DWORD dwFilter,
3116 GROUPID GroupId,
3117 LPINTERNET_CACHE_ENTRY_INFOW lpFirstCacheEntryInfo,
3118 LPDWORD lpdwFirstCacheEntryInfoBufferSize,
3119 LPVOID lpReserved,
3120 LPDWORD pcbReserved2,
3121 LPVOID lpReserved3
3122 )
3123 {
3124 FIXME("(%s, 0x%08x, 0x%08x, 0x%08x%08x, %p, %p, %p, %p, %p) stub\n", debugstr_w(lpszUrlSearchPattern),
3125 dwFlags, dwFilter, (ULONG)(GroupId >> 32), (ULONG)GroupId, lpFirstCacheEntryInfo,
3126 lpdwFirstCacheEntryInfoBufferSize, lpReserved, pcbReserved2,lpReserved3);
3127 SetLastError(ERROR_FILE_NOT_FOUND);
3128 return NULL;
3129 }
3130
3131 #define URLCACHE_FIND_ENTRY_HANDLE_MAGIC 0xF389ABCD
3132
3133 typedef struct URLCacheFindEntryHandle
3134 {
3135 DWORD dwMagic;
3136 LPWSTR lpszUrlSearchPattern;
3137 DWORD dwContainerIndex;
3138 DWORD dwHashTableIndex;
3139 DWORD dwHashEntryIndex;
3140 } URLCacheFindEntryHandle;
3141
3142 /***********************************************************************
3143 * FindFirstUrlCacheEntryA (WININET.@)
3144 *
3145 */
3146 INTERNETAPI HANDLE WINAPI FindFirstUrlCacheEntryA(LPCSTR lpszUrlSearchPattern,
3147 LPINTERNET_CACHE_ENTRY_INFOA lpFirstCacheEntryInfo, LPDWORD lpdwFirstCacheEntryInfoBufferSize)
3148 {
3149 URLCacheFindEntryHandle *pEntryHandle;
3150
3151 TRACE("(%s, %p, %p)\n", debugstr_a(lpszUrlSearchPattern), lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize);
3152
3153 pEntryHandle = HeapAlloc(GetProcessHeap(), 0, sizeof(*pEntryHandle));
3154 if (!pEntryHandle)
3155 return NULL;
3156
3157 pEntryHandle->dwMagic = URLCACHE_FIND_ENTRY_HANDLE_MAGIC;
3158 if (lpszUrlSearchPattern)
3159 {
3160 pEntryHandle->lpszUrlSearchPattern = heap_strdupAtoW(lpszUrlSearchPattern);
3161 if (!pEntryHandle->lpszUrlSearchPattern)
3162 {
3163 HeapFree(GetProcessHeap(), 0, pEntryHandle);
3164 return NULL;
3165 }
3166 }
3167 else
3168 pEntryHandle->lpszUrlSearchPattern = NULL;
3169 pEntryHandle->dwContainerIndex = 0;
3170 pEntryHandle->dwHashTableIndex = 0;
3171 pEntryHandle->dwHashEntryIndex = 0;
3172
3173 if (!FindNextUrlCacheEntryA(pEntryHandle, lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize))
3174 {
3175 HeapFree(GetProcessHeap(), 0, pEntryHandle);
3176 return NULL;
3177 }
3178 return pEntryHandle;
3179 }
3180
3181 /***********************************************************************
3182 * FindFirstUrlCacheEntryW (WININET.@)
3183 *
3184 */
3185 INTERNETAPI HANDLE WINAPI FindFirstUrlCacheEntryW(LPCWSTR lpszUrlSearchPattern,
3186 LPINTERNET_CACHE_ENTRY_INFOW lpFirstCacheEntryInfo, LPDWORD lpdwFirstCacheEntryInfoBufferSize)
3187 {
3188 URLCacheFindEntryHandle *pEntryHandle;
3189
3190 TRACE("(%s, %p, %p)\n", debugstr_w(lpszUrlSearchPattern), lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize);
3191
3192 pEntryHandle = HeapAlloc(GetProcessHeap(), 0, sizeof(*pEntryHandle));
3193 if (!pEntryHandle)
3194 return NULL;
3195
3196 pEntryHandle->dwMagic = URLCACHE_FIND_ENTRY_HANDLE_MAGIC;
3197 if (lpszUrlSearchPattern)
3198 {
3199 pEntryHandle->lpszUrlSearchPattern = heap_strdupW(lpszUrlSearchPattern);
3200 if (!pEntryHandle->lpszUrlSearchPattern)
3201 {
3202 HeapFree(GetProcessHeap(), 0, pEntryHandle);
3203 return NULL;
3204 }
3205 }
3206 else
3207 pEntryHandle->lpszUrlSearchPattern = NULL;
3208 pEntryHandle->dwContainerIndex = 0;
3209 pEntryHandle->dwHashTableIndex = 0;
3210 pEntryHandle->dwHashEntryIndex = 0;
3211
3212 if (!FindNextUrlCacheEntryW(pEntryHandle, lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize))
3213 {
3214 HeapFree(GetProcessHeap(), 0, pEntryHandle);
3215 return NULL;
3216 }
3217 return pEntryHandle;
3218 }
3219
3220 /***********************************************************************
3221 * FindNextUrlCacheEntryA (WININET.@)
3222 */
3223 BOOL WINAPI FindNextUrlCacheEntryA(
3224 HANDLE hEnumHandle,
3225 LPINTERNET_CACHE_ENTRY_INFOA lpNextCacheEntryInfo,
3226 LPDWORD lpdwNextCacheEntryInfoBufferSize)
3227 {
3228 URLCacheFindEntryHandle *pEntryHandle = (URLCacheFindEntryHandle *)hEnumHandle;
3229 URLCACHECONTAINER * pContainer;
3230
3231 TRACE("(%p, %p, %p)\n", hEnumHandle, lpNextCacheEntryInfo, lpdwNextCacheEntryInfoBufferSize);
3232
3233 if (pEntryHandle->dwMagic != URLCACHE_FIND_ENTRY_HANDLE_MAGIC)
3234 {
3235 SetLastError(ERROR_INVALID_HANDLE);
3236 return FALSE;
3237 }
3238
3239 for (; URLCacheContainers_Enum(pEntryHandle->lpszUrlSearchPattern, pEntryHandle->dwContainerIndex, &pContainer);
3240 pEntryHandle->dwContainerIndex++, pEntryHandle->dwHashTableIndex = 0)
3241 {
3242 LPURLCACHE_HEADER pHeader;
3243 HASH_CACHEFILE_ENTRY *pHashTableEntry;
3244 DWORD error;
3245
3246 error = URLCacheContainer_OpenIndex(pContainer);
3247 if (error != ERROR_SUCCESS)
3248 {
3249 SetLastError(error);
3250 return FALSE;
3251 }
3252
3253 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
3254 return FALSE;
3255
3256 for (; URLCache_EnumHashTables(pHeader, &pEntryHandle->dwHashTableIndex, &pHashTableEntry);
3257 pEntryHandle->dwHashTableIndex++, pEntryHandle->dwHashEntryIndex = 0)
3258 {
3259 const struct _HASH_ENTRY *pHashEntry = NULL;
3260 for (; URLCache_EnumHashTableEntries(pHeader, pHashTableEntry, &pEntryHandle->dwHashEntryIndex, &pHashEntry);
3261 pEntryHandle->dwHashEntryIndex++)
3262 {
3263 const URL_CACHEFILE_ENTRY *pUrlEntry;
3264 const CACHEFILE_ENTRY *pEntry = (const CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
3265
3266 if (pEntry->dwSignature != URL_SIGNATURE)
3267 continue;
3268
3269 pUrlEntry = (const URL_CACHEFILE_ENTRY *)pEntry;
3270 TRACE("Found URL: %s\n", (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetUrl);
3271 TRACE("Header info: %s\n", (LPCSTR)pUrlEntry + pUrlEntry->dwOffsetHeaderInfo);
3272
3273 error = URLCache_CopyEntry(
3274 pContainer,
3275 pHeader,
3276 lpNextCacheEntryInfo,
3277 lpdwNextCacheEntryInfoBufferSize,
3278 pUrlEntry,
3279 FALSE /* not UNICODE */);
3280 if (error != ERROR_SUCCESS)
3281 {
3282 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3283 SetLastError(error);
3284 return FALSE;
3285 }
3286 TRACE("Local File Name: %s\n", debugstr_a((LPCSTR)pUrlEntry + pUrlEntry->dwOffsetLocalName));
3287
3288 /* increment the current index so that next time the function
3289 * is called the next entry is returned */
3290 pEntryHandle->dwHashEntryIndex++;
3291 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3292 return TRUE;
3293 }
3294 }
3295
3296 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3297 }
3298
3299 SetLastError(ERROR_NO_MORE_ITEMS);
3300 return FALSE;
3301 }
3302
3303 /***********************************************************************
3304 * FindNextUrlCacheEntryW (WININET.@)
3305 */
3306 BOOL WINAPI FindNextUrlCacheEntryW(
3307 HANDLE hEnumHandle,
3308 LPINTERNET_CACHE_ENTRY_INFOW lpNextCacheEntryInfo,
3309 LPDWORD lpdwNextCacheEntryInfoBufferSize
3310 )
3311 {
3312 FIXME("(%p, %p, %p) stub\n", hEnumHandle, lpNextCacheEntryInfo, lpdwNextCacheEntryInfoBufferSize);
3313 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
3314 return FALSE;
3315 }
3316
3317 /***********************************************************************
3318 * FindCloseUrlCache (WININET.@)
3319 */
3320 BOOL WINAPI FindCloseUrlCache(HANDLE hEnumHandle)
3321 {
3322 URLCacheFindEntryHandle *pEntryHandle = (URLCacheFindEntryHandle *)hEnumHandle;
3323
3324 TRACE("(%p)\n", hEnumHandle);
3325
3326 if (!pEntryHandle || pEntryHandle->dwMagic != URLCACHE_FIND_ENTRY_HANDLE_MAGIC)
3327 {
3328 SetLastError(ERROR_INVALID_HANDLE);
3329 return FALSE;
3330 }
3331
3332 pEntryHandle->dwMagic = 0;
3333 HeapFree(GetProcessHeap(), 0, pEntryHandle->lpszUrlSearchPattern);
3334 HeapFree(GetProcessHeap(), 0, pEntryHandle);
3335
3336 return TRUE;
3337 }
3338
3339 HANDLE WINAPI FindFirstUrlCacheGroup( DWORD dwFlags, DWORD dwFilter, LPVOID lpSearchCondition,
3340 DWORD dwSearchCondition, GROUPID* lpGroupId, LPVOID lpReserved )
3341 {
3342 FIXME("(0x%08x, 0x%08x, %p, 0x%08x, %p, %p) stub\n", dwFlags, dwFilter, lpSearchCondition,
3343 dwSearchCondition, lpGroupId, lpReserved);
3344 return NULL;
3345 }
3346
3347 BOOL WINAPI FindNextUrlCacheEntryExA(
3348 HANDLE hEnumHandle,
3349 LPINTERNET_CACHE_ENTRY_INFOA lpFirstCacheEntryInfo,
3350 LPDWORD lpdwFirstCacheEntryInfoBufferSize,
3351 LPVOID lpReserved,
3352 LPDWORD pcbReserved2,
3353 LPVOID lpReserved3
3354 )
3355 {
3356 FIXME("(%p, %p, %p, %p, %p, %p) stub\n", hEnumHandle, lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize,
3357 lpReserved, pcbReserved2, lpReserved3);
3358 return FALSE;
3359 }
3360
3361 BOOL WINAPI FindNextUrlCacheEntryExW(
3362 HANDLE hEnumHandle,
3363 LPINTERNET_CACHE_ENTRY_INFOW lpFirstCacheEntryInfo,
3364 LPDWORD lpdwFirstCacheEntryInfoBufferSize,
3365 LPVOID lpReserved,
3366 LPDWORD pcbReserved2,
3367 LPVOID lpReserved3
3368 )
3369 {
3370 FIXME("(%p, %p, %p, %p, %p, %p) stub\n", hEnumHandle, lpFirstCacheEntryInfo, lpdwFirstCacheEntryInfoBufferSize,
3371 lpReserved, pcbReserved2, lpReserved3);
3372 return FALSE;
3373 }
3374
3375 BOOL WINAPI FindNextUrlCacheGroup( HANDLE hFind, GROUPID* lpGroupId, LPVOID lpReserved )
3376 {
3377 FIXME("(%p, %p, %p) stub\n", hFind, lpGroupId, lpReserved);
3378 return FALSE;
3379 }
3380
3381 /***********************************************************************
3382 * CreateUrlCacheGroup (WININET.@)
3383 *
3384 */
3385 INTERNETAPI GROUPID WINAPI CreateUrlCacheGroup(DWORD dwFlags, LPVOID lpReserved)
3386 {
3387 FIXME("(0x%08x, %p): stub\n", dwFlags, lpReserved);
3388 return FALSE;
3389 }
3390
3391 /***********************************************************************
3392 * DeleteUrlCacheGroup (WININET.@)
3393 *
3394 */
3395 BOOL WINAPI DeleteUrlCacheGroup(GROUPID GroupId, DWORD dwFlags, LPVOID lpReserved)
3396 {
3397 FIXME("(0x%08x%08x, 0x%08x, %p) stub\n",
3398 (ULONG)(GroupId >> 32), (ULONG)GroupId, dwFlags, lpReserved);
3399 return FALSE;
3400 }
3401
3402 /***********************************************************************
3403 * SetUrlCacheEntryGroupA (WININET.@)
3404 *
3405 */
3406 BOOL WINAPI SetUrlCacheEntryGroupA(LPCSTR lpszUrlName, DWORD dwFlags,
3407 GROUPID GroupId, LPBYTE pbGroupAttributes, DWORD cbGroupAttributes,
3408 LPVOID lpReserved)
3409 {
3410 FIXME("(%s, 0x%08x, 0x%08x%08x, %p, 0x%08x, %p) stub\n",
3411 debugstr_a(lpszUrlName), dwFlags, (ULONG)(GroupId >> 32), (ULONG)GroupId,
3412 pbGroupAttributes, cbGroupAttributes, lpReserved);
3413 SetLastError(ERROR_FILE_NOT_FOUND);
3414 return FALSE;
3415 }
3416
3417 /***********************************************************************
3418 * SetUrlCacheEntryGroupW (WININET.@)
3419 *
3420 */
3421 BOOL WINAPI SetUrlCacheEntryGroupW(LPCWSTR lpszUrlName, DWORD dwFlags,
3422 GROUPID GroupId, LPBYTE pbGroupAttributes, DWORD cbGroupAttributes,
3423 LPVOID lpReserved)
3424 {
3425 FIXME("(%s, 0x%08x, 0x%08x%08x, %p, 0x%08x, %p) stub\n",
3426 debugstr_w(lpszUrlName), dwFlags, (ULONG)(GroupId >> 32), (ULONG)GroupId,
3427 pbGroupAttributes, cbGroupAttributes, lpReserved);
3428 SetLastError(ERROR_FILE_NOT_FOUND);
3429 return FALSE;
3430 }
3431
3432 /***********************************************************************
3433 * GetUrlCacheConfigInfoW (WININET.@)
3434 */
3435 BOOL WINAPI GetUrlCacheConfigInfoW(LPINTERNET_CACHE_CONFIG_INFOW CacheInfo, LPDWORD size, DWORD bitmask)
3436 {
3437 FIXME("(%p, %p, %x)\n", CacheInfo, size, bitmask);
3438 INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
3439 return FALSE;
3440 }
3441
3442 /***********************************************************************
3443 * GetUrlCacheConfigInfoA (WININET.@)
3444 *
3445 * CacheInfo is some CACHE_CONFIG_INFO structure, with no MS info found by google
3446 */
3447 BOOL WINAPI GetUrlCacheConfigInfoA(LPINTERNET_CACHE_CONFIG_INFOA CacheInfo, LPDWORD size, DWORD bitmask)
3448 {
3449 FIXME("(%p, %p, %x)\n", CacheInfo, size, bitmask);
3450 INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
3451 return FALSE;
3452 }
3453
3454 BOOL WINAPI GetUrlCacheGroupAttributeA( GROUPID gid, DWORD dwFlags, DWORD dwAttributes,
3455 LPINTERNET_CACHE_GROUP_INFOA lpGroupInfo,
3456 LPDWORD lpdwGroupInfo, LPVOID lpReserved )
3457 {
3458 FIXME("(0x%08x%08x, 0x%08x, 0x%08x, %p, %p, %p) stub\n",
3459 (ULONG)(gid >> 32), (ULONG)gid, dwFlags, dwAttributes, lpGroupInfo,
3460 lpdwGroupInfo, lpReserved);
3461 return FALSE;
3462 }
3463
3464 BOOL WINAPI GetUrlCacheGroupAttributeW( GROUPID gid, DWORD dwFlags, DWORD dwAttributes,
3465 LPINTERNET_CACHE_GROUP_INFOW lpGroupInfo,
3466 LPDWORD lpdwGroupInfo, LPVOID lpReserved )
3467 {
3468 FIXME("(0x%08x%08x, 0x%08x, 0x%08x, %p, %p, %p) stub\n",
3469 (ULONG)(gid >> 32), (ULONG)gid, dwFlags, dwAttributes, lpGroupInfo,
3470 lpdwGroupInfo, lpReserved);
3471 return FALSE;
3472 }
3473
3474 BOOL WINAPI SetUrlCacheGroupAttributeA( GROUPID gid, DWORD dwFlags, DWORD dwAttributes,
3475 LPINTERNET_CACHE_GROUP_INFOA lpGroupInfo, LPVOID lpReserved )
3476 {
3477 FIXME("(0x%08x%08x, 0x%08x, 0x%08x, %p, %p) stub\n",
3478 (ULONG)(gid >> 32), (ULONG)gid, dwFlags, dwAttributes, lpGroupInfo, lpReserved);
3479 return TRUE;
3480 }
3481
3482 BOOL WINAPI SetUrlCacheGroupAttributeW( GROUPID gid, DWORD dwFlags, DWORD dwAttributes,
3483 LPINTERNET_CACHE_GROUP_INFOW lpGroupInfo, LPVOID lpReserved )
3484 {
3485 FIXME("(0x%08x%08x, 0x%08x, 0x%08x, %p, %p) stub\n",
3486 (ULONG)(gid >> 32), (ULONG)gid, dwFlags, dwAttributes, lpGroupInfo, lpReserved);
3487 return TRUE;
3488 }
3489
3490 BOOL WINAPI SetUrlCacheConfigInfoA( LPINTERNET_CACHE_CONFIG_INFOA lpCacheConfigInfo, DWORD dwFieldControl )
3491 {
3492 FIXME("(%p, 0x%08x) stub\n", lpCacheConfigInfo, dwFieldControl);
3493 return TRUE;
3494 }
3495
3496 BOOL WINAPI SetUrlCacheConfigInfoW( LPINTERNET_CACHE_CONFIG_INFOW lpCacheConfigInfo, DWORD dwFieldControl )
3497 {
3498 FIXME("(%p, 0x%08x) stub\n", lpCacheConfigInfo, dwFieldControl);
3499 return TRUE;
3500 }
3501
3502 /***********************************************************************
3503 * DeleteIE3Cache (WININET.@)
3504 *
3505 * Deletes the files used by the IE3 URL caching system.
3506 *
3507 * PARAMS
3508 * hWnd [I] A dummy window.
3509 * hInst [I] Instance of process calling the function.
3510 * lpszCmdLine [I] Options used by function.
3511 * nCmdShow [I] The nCmdShow value to use when showing windows created, if any.
3512 */
3513 DWORD WINAPI DeleteIE3Cache(HWND hWnd, HINSTANCE hInst, LPSTR lpszCmdLine, int nCmdShow)
3514 {
3515 FIXME("(%p, %p, %s, %d)\n", hWnd, hInst, debugstr_a(lpszCmdLine), nCmdShow);
3516 return 0;
3517 }
3518
3519 /***********************************************************************
3520 * IsUrlCacheEntryExpiredA (WININET.@)
3521 *
3522 * PARAMS
3523 * url [I] Url
3524 * dwFlags [I] Unknown
3525 * pftLastModified [O] Last modified time
3526 */
3527 BOOL WINAPI IsUrlCacheEntryExpiredA( LPCSTR url, DWORD dwFlags, FILETIME* pftLastModified )
3528 {
3529 LPURLCACHE_HEADER pHeader;
3530 struct _HASH_ENTRY * pHashEntry;
3531 const CACHEFILE_ENTRY * pEntry;
3532 const URL_CACHEFILE_ENTRY * pUrlEntry;
3533 URLCACHECONTAINER * pContainer;
3534 DWORD error;
3535
3536 TRACE("(%s, %08x, %p)\n", debugstr_a(url), dwFlags, pftLastModified);
3537
3538 error = URLCacheContainers_FindContainerA(url, &pContainer);
3539 if (error != ERROR_SUCCESS)
3540 {
3541 SetLastError(error);
3542 return FALSE;
3543 }
3544
3545 error = URLCacheContainer_OpenIndex(pContainer);
3546 if (error != ERROR_SUCCESS)
3547 {
3548 SetLastError(error);
3549 return FALSE;
3550 }
3551
3552 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
3553 return FALSE;
3554
3555 if (!URLCache_FindHash(pHeader, url, &pHashEntry))
3556 {
3557 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3558 TRACE("entry %s not found!\n", url);
3559 SetLastError(ERROR_FILE_NOT_FOUND);
3560 return FALSE;
3561 }
3562
3563 pEntry = (const CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
3564 if (pEntry->dwSignature != URL_SIGNATURE)
3565 {
3566 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3567 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPCSTR)&pEntry->dwSignature, sizeof(DWORD)));
3568 SetLastError(ERROR_FILE_NOT_FOUND);
3569 return FALSE;
3570 }
3571
3572 pUrlEntry = (const URL_CACHEFILE_ENTRY *)pEntry;
3573
3574 DosDateTimeToFileTime(pUrlEntry->wExpiredDate, pUrlEntry->wExpiredTime, pftLastModified);
3575
3576 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3577
3578 return TRUE;
3579 }
3580
3581 /***********************************************************************
3582 * IsUrlCacheEntryExpiredW (WININET.@)
3583 *
3584 * PARAMS
3585 * url [I] Url
3586 * dwFlags [I] Unknown
3587 * pftLastModified [O] Last modified time
3588 */
3589 BOOL WINAPI IsUrlCacheEntryExpiredW( LPCWSTR url, DWORD dwFlags, FILETIME* pftLastModified )
3590 {
3591 LPURLCACHE_HEADER pHeader;
3592 struct _HASH_ENTRY * pHashEntry;
3593 const CACHEFILE_ENTRY * pEntry;
3594 const URL_CACHEFILE_ENTRY * pUrlEntry;
3595 URLCACHECONTAINER * pContainer;
3596 DWORD error;
3597
3598 TRACE("(%s, %08x, %p)\n", debugstr_w(url), dwFlags, pftLastModified);
3599
3600 error = URLCacheContainers_FindContainerW(url, &pContainer);
3601 if (error != ERROR_SUCCESS)
3602 {
3603 SetLastError(error);
3604 return FALSE;
3605 }
3606
3607 error = URLCacheContainer_OpenIndex(pContainer);
3608 if (error != ERROR_SUCCESS)
3609 {
3610 SetLastError(error);
3611 return FALSE;
3612 }
3613
3614 if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
3615 return FALSE;
3616
3617 if (!URLCache_FindHashW(pHeader, url, &pHashEntry))
3618 {
3619 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3620 TRACE("entry %s not found!\n", debugstr_w(url));
3621 SetLastError(ERROR_FILE_NOT_FOUND);
3622 return FALSE;
3623 }
3624
3625 pEntry = (const CACHEFILE_ENTRY *)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
3626 if (pEntry->dwSignature != URL_SIGNATURE)
3627 {
3628 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3629 FIXME("Trying to retrieve entry of unknown format %s\n", debugstr_an((LPCSTR)&pEntry->dwSignature, sizeof(DWORD)));
3630 SetLastError(ERROR_FILE_NOT_FOUND);
3631 return FALSE;
3632 }
3633
3634 pUrlEntry = (const URL_CACHEFILE_ENTRY *)pEntry;
3635
3636 DosDateTimeToFileTime(pUrlEntry->wExpiredDate, pUrlEntry->wExpiredTime, pftLastModified);
3637
3638 URLCacheContainer_UnlockIndex(pContainer, pHeader);
3639
3640 return TRUE;
3641 }
3642
3643 /***********************************************************************
3644 * GetDiskInfoA (WININET.@)
3645 */
3646 BOOL WINAPI GetDiskInfoA(PCSTR path, PDWORD cluster_size, PDWORDLONG free, PDWORDLONG total)
3647 {
3648 BOOL ret;
3649 ULARGE_INTEGER bytes_free, bytes_total;
3650
3651 TRACE("(%s, %p, %p, %p)\n", debugstr_a(path), cluster_size, free, total);
3652
3653 if (!path)
3654 {
3655 SetLastError(ERROR_INVALID_PARAMETER);
3656 return FALSE;
3657 }
3658
3659 if ((ret = GetDiskFreeSpaceExA(path, NULL, &bytes_total, &bytes_free)))
3660 {
3661 if (cluster_size) *cluster_size = 1;
3662 if (free) *free = bytes_free.QuadPart;
3663 if (total) *total = bytes_total.QuadPart;
3664 }
3665 return ret;
3666 }
3667
3668 /***********************************************************************
3669 * RegisterUrlCacheNotification (WININET.@)
3670 */
3671 DWORD WINAPI RegisterUrlCacheNotification(LPVOID a, DWORD b, DWORD c, DWORD d, DWORD e, DWORD f)
3672 {
3673 FIXME("(%p %x %x %x %x %x)\n", a, b, c, d, e, f);
3674 return 0;
3675 }
3676
3677 /***********************************************************************
3678 * IncrementUrlCacheHeaderData (WININET.@)
3679 */
3680 BOOL WINAPI IncrementUrlCacheHeaderData(DWORD index, LPDWORD data)
3681 {
3682 FIXME("(%u, %p)\n", index, data);
3683 return FALSE;
3684 }
an attempt at megring old patches into wine