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Finish any pending WaitCommEvents if the event mask is set to 0.
[wine.git] / dlls / version / install.c
blobeccf681e36dfb8893bc6faffcb19adc88ae1c126
1 /*
2 * Implementation of VERSION.DLL - File Installer routines
3 *
4 * Copyright 1996,1997 Marcus Meissner
5 * Copyright 1997 David Cuthbert
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22 #include <stdlib.h>
23 #include <stdio.h>
24 #include <string.h>
25
26 #include "windef.h"
27 #include "winbase.h"
28 #include "winver.h"
29 #include "winnls.h"
30 #include "wine/unicode.h"
31 #include "winerror.h"
32 #include "lzexpand.h"
33 #include "wine/debug.h"
34
35 WINE_DEFAULT_DEBUG_CHANNEL(ver);
36
37
38 /******************************************************************************
39 * testFileExistenceA
40 *
41 * Tests whether a given path/file combination exists. If the file does
42 * not exist, the return value is zero. If it does exist, the return
43 * value is non-zero.
44 *
45 * Revision history
46 * 30-May-1997 Dave Cuthbert (dacut@ece.cmu.edu)
47 * Original implementation
48 *
49 */
50 static int testFileExistenceA( char const * path, char const * file, BOOL excl )
51 {
52 char filename[1024];
53 int filenamelen;
54 OFSTRUCT fileinfo;
55
56 fileinfo.cBytes = sizeof(OFSTRUCT);
57
58 strcpy(filename, path);
59 filenamelen = strlen(filename);
60
61 /* Add a trailing \ if necessary */
62 if(filenamelen) {
63 if(filename[filenamelen - 1] != '\\')
64 strcat(filename, "\\");
65 }
66 else /* specify the current directory */
67 strcpy(filename, ".\\");
68
69 /* Create the full pathname */
70 strcat(filename, file);
71
72 return (OpenFile(filename, &fileinfo,
73 OF_EXIST | (excl ? OF_SHARE_EXCLUSIVE : 0)) != HFILE_ERROR);
74 }
75
76 /******************************************************************************
77 * testFileExistenceW
78 */
79 static int testFileExistenceW( const WCHAR *path, const WCHAR *file, BOOL excl )
80 {
81 char *filename;
82 DWORD pathlen, filelen;
83 int ret;
84 OFSTRUCT fileinfo;
85
86 fileinfo.cBytes = sizeof(OFSTRUCT);
87
88 pathlen = WideCharToMultiByte( CP_ACP, 0, path, -1, NULL, 0, NULL, NULL );
89 filelen = WideCharToMultiByte( CP_ACP, 0, file, -1, NULL, 0, NULL, NULL );
90 filename = HeapAlloc( GetProcessHeap(), 0, pathlen+filelen+2 );
91
92 WideCharToMultiByte( CP_ACP, 0, path, -1, filename, pathlen, NULL, NULL );
93 /* Add a trailing \ if necessary */
94 if (pathlen > 1)
95 {
96 if (filename[pathlen-2] != '\\') strcpy( &filename[pathlen-1], "\\" );
97 }
98 else /* specify the current directory */
99 strcpy(filename, ".\\");
100
101 WideCharToMultiByte( CP_ACP, 0, file, -1, filename+strlen(filename), filelen, NULL, NULL );
102
103 ret = (OpenFile(filename, &fileinfo,
104 OF_EXIST | (excl ? OF_SHARE_EXCLUSIVE : 0)) != HFILE_ERROR);
105 HeapFree( GetProcessHeap(), 0, filename );
106 return ret;
107 }
108
109 /*****************************************************************************
110 * VerFindFileA [VERSION.@]
111 *
112 * Determines where to install a file based on whether it locates another
113 * version of the file in the system. The values VerFindFile returns are
114 * used in a subsequent call to the VerInstallFile function.
115 *
116 * Revision history:
117 * 30-May-1997 Dave Cuthbert (dacut@ece.cmu.edu)
118 * Reimplementation of VerFindFile from original stub.
119 */
120 DWORD WINAPI VerFindFileA(
121 UINT flags,
122 LPCSTR lpszFilename,
123 LPCSTR lpszWinDir,
124 LPCSTR lpszAppDir,
125 LPSTR lpszCurDir,
126 UINT *lpuCurDirLen,
127 LPSTR lpszDestDir,
128 UINT *lpuDestDirLen )
129 {
130 DWORD retval = 0;
131 const char *curDir;
132 const char *destDir;
133 unsigned int curDirSizeReq;
134 unsigned int destDirSizeReq;
135 char systemDir[MAX_PATH];
136
137 /* Print out debugging information */
138 TRACE("flags = %x filename=%s windir=%s appdir=%s curdirlen=%p(%u) destdirlen=%p(%u)\n",
139 flags, debugstr_a(lpszFilename), debugstr_a(lpszWinDir), debugstr_a(lpszAppDir),
140 lpuCurDirLen, lpuCurDirLen ? *lpuCurDirLen : 0,
141 lpuDestDirLen, lpuDestDirLen ? *lpuDestDirLen : 0 );
142
143 /* Figure out where the file should go; shared files default to the
144 system directory */
145
146 GetSystemDirectoryA(systemDir, sizeof(systemDir));
147 curDir = "";
148 destDir = "";
149
150 if(flags & VFFF_ISSHAREDFILE)
151 {
152 destDir = systemDir;
153 /* Were we given a filename? If so, try to find the file. */
154 if(lpszFilename)
155 {
156 if(testFileExistenceA(destDir, lpszFilename, FALSE)) curDir = destDir;
157 else if(lpszAppDir && testFileExistenceA(lpszAppDir, lpszFilename, FALSE))
158 {
159 curDir = lpszAppDir;
160 retval |= VFF_CURNEDEST;
161 }
162 }
163 }
164 else /* not a shared file */
165 {
166 if(lpszAppDir)
167 {
168 destDir = lpszAppDir;
169 if(lpszFilename)
170 {
171 if(testFileExistenceA(destDir, lpszFilename, FALSE)) curDir = destDir;
172 else if(testFileExistenceA(systemDir, lpszFilename, FALSE))
173 {
174 curDir = systemDir;
175 retval |= VFF_CURNEDEST;
176 }
177 }
178 }
179 }
180
181 if (lpszFilename && !testFileExistenceA(curDir, lpszFilename, TRUE))
182 retval |= VFF_FILEINUSE;
183
184 curDirSizeReq = strlen(curDir) + 1;
185 destDirSizeReq = strlen(destDir) + 1;
186
187 /* Make sure that the pointers to the size of the buffers are
188 valid; if not, do NOTHING with that buffer. If that pointer
189 is valid, then make sure that the buffer pointer is valid, too! */
190
191 if(lpuDestDirLen && lpszDestDir)
192 {
193 if (*lpuDestDirLen < destDirSizeReq) retval |= VFF_BUFFTOOSMALL;
194 lstrcpynA(lpszDestDir, destDir, *lpuDestDirLen);
195 *lpuDestDirLen = destDirSizeReq;
196 }
197 if(lpuCurDirLen && lpszCurDir)
198 {
199 if(*lpuCurDirLen < curDirSizeReq) retval |= VFF_BUFFTOOSMALL;
200 lstrcpynA(lpszCurDir, curDir, *lpuCurDirLen);
201 *lpuCurDirLen = curDirSizeReq;
202 }
203
204 TRACE("ret = %lu (%s%s%s) curdir=%s destdir=%s\n", retval,
205 (retval & VFF_CURNEDEST) ? "VFF_CURNEDEST " : "",
206 (retval & VFF_FILEINUSE) ? "VFF_FILEINUSE " : "",
207 (retval & VFF_BUFFTOOSMALL) ? "VFF_BUFFTOOSMALL " : "",
208 debugstr_a(lpszCurDir), debugstr_a(lpszDestDir));
209
210 return retval;
211 }
212
213 /*****************************************************************************
214 * VerFindFileW [VERSION.@]
215 */
216 DWORD WINAPI VerFindFileW( UINT flags,LPCWSTR lpszFilename,LPCWSTR lpszWinDir,
217 LPCWSTR lpszAppDir, LPWSTR lpszCurDir,UINT *lpuCurDirLen,
218 LPWSTR lpszDestDir,UINT *lpuDestDirLen )
219 {
220 static const WCHAR emptyW;
221 DWORD retval = 0;
222 const WCHAR *curDir;
223 const WCHAR *destDir;
224 unsigned int curDirSizeReq;
225 unsigned int destDirSizeReq;
226 WCHAR systemDir[MAX_PATH];
227
228 /* Print out debugging information */
229 TRACE("flags = %x filename=%s windir=%s appdir=%s curdirlen=%p(%u) destdirlen=%p(%u)\n",
230 flags, debugstr_w(lpszFilename), debugstr_w(lpszWinDir), debugstr_w(lpszAppDir),
231 lpuCurDirLen, lpuCurDirLen ? *lpuCurDirLen : 0,
232 lpuDestDirLen, lpuDestDirLen ? *lpuDestDirLen : 0 );
233
234 /* Figure out where the file should go; shared files default to the
235 system directory */
236
237 GetSystemDirectoryW(systemDir, sizeof(systemDir)/sizeof(WCHAR));
238 curDir = &emptyW;
239 destDir = &emptyW;
240
241 if(flags & VFFF_ISSHAREDFILE)
242 {
243 destDir = systemDir;
244 /* Were we given a filename? If so, try to find the file. */
245 if(lpszFilename)
246 {
247 if(testFileExistenceW(destDir, lpszFilename, FALSE)) curDir = destDir;
248 else if(lpszAppDir && testFileExistenceW(lpszAppDir, lpszFilename, FALSE))
249 {
250 curDir = lpszAppDir;
251 retval |= VFF_CURNEDEST;
252 }
253 }
254 }
255 else /* not a shared file */
256 {
257 if(lpszAppDir)
258 {
259 destDir = lpszAppDir;
260 if(lpszFilename)
261 {
262 if(testFileExistenceW(destDir, lpszFilename, FALSE)) curDir = destDir;
263 else if(testFileExistenceW(systemDir, lpszFilename, FALSE))
264 {
265 curDir = systemDir;
266 retval |= VFF_CURNEDEST;
267 }
268 }
269 }
270 }
271
272 if (lpszFilename && !testFileExistenceW(curDir, lpszFilename, TRUE))
273 retval |= VFF_FILEINUSE;
274
275 curDirSizeReq = strlenW(curDir) + 1;
276 destDirSizeReq = strlenW(destDir) + 1;
277
278 /* Make sure that the pointers to the size of the buffers are
279 valid; if not, do NOTHING with that buffer. If that pointer
280 is valid, then make sure that the buffer pointer is valid, too! */
281
282 if(lpuDestDirLen && lpszDestDir)
283 {
284 if (*lpuDestDirLen < destDirSizeReq) retval |= VFF_BUFFTOOSMALL;
285 lstrcpynW(lpszDestDir, destDir, *lpuDestDirLen);
286 *lpuDestDirLen = destDirSizeReq;
287 }
288 if(lpuCurDirLen && lpszCurDir)
289 {
290 if(*lpuCurDirLen < curDirSizeReq) retval |= VFF_BUFFTOOSMALL;
291 lstrcpynW(lpszCurDir, curDir, *lpuCurDirLen);
292 *lpuCurDirLen = curDirSizeReq;
293 }
294
295 TRACE("ret = %lu (%s%s%s) curdir=%s destdir=%s\n", retval,
296 (retval & VFF_CURNEDEST) ? "VFF_CURNEDEST " : "",
297 (retval & VFF_FILEINUSE) ? "VFF_FILEINUSE " : "",
298 (retval & VFF_BUFFTOOSMALL) ? "VFF_BUFFTOOSMALL " : "",
299 debugstr_w(lpszCurDir), debugstr_w(lpszDestDir));
300 return retval;
301 }
302
303 static LPBYTE
304 _fetch_versioninfo(LPSTR fn,VS_FIXEDFILEINFO **vffi) {
305 DWORD alloclen;
306 LPBYTE buf;
307 DWORD ret;
308
309 alloclen = 1000;
310 buf=HeapAlloc(GetProcessHeap(), 0, alloclen);
311 if(buf == NULL) {
312 WARN("Memory exausted while fetching version info!\n");
313 return NULL;
314 }
315 while (1) {
316 ret = GetFileVersionInfoA(fn,0,alloclen,buf);
317 if (!ret) {
318 HeapFree(GetProcessHeap(), 0, buf);
319 return NULL;
320 }
321 if (alloclen<*(WORD*)buf) {
322 alloclen = *(WORD*)buf;
323 HeapFree(GetProcessHeap(), 0, buf);
324 buf = HeapAlloc(GetProcessHeap(), 0, alloclen);
325 if(buf == NULL) {
326 WARN("Memory exausted while fetching version info!\n");
327 return NULL;
328 }
329 } else {
330 *vffi = (VS_FIXEDFILEINFO*)(buf+0x14);
331 if ((*vffi)->dwSignature == 0x004f0049) /* hack to detect unicode */
332 *vffi = (VS_FIXEDFILEINFO*)(buf+0x28);
333 if ((*vffi)->dwSignature != VS_FFI_SIGNATURE)
334 WARN("Bad VS_FIXEDFILEINFO signature 0x%08lx\n",(*vffi)->dwSignature);
335 return buf;
336 }
337 }
338 }
339
340 static DWORD
341 _error2vif(DWORD error) {
342 switch (error) {
343 case ERROR_ACCESS_DENIED:
344 return VIF_ACCESSVIOLATION;
345 case ERROR_SHARING_VIOLATION:
346 return VIF_SHARINGVIOLATION;
347 default:
348 return 0;
349 }
350 }
351
352
353 /******************************************************************************
354 * VerInstallFileA [VERSION.@]
355 */
356 DWORD WINAPI VerInstallFileA(
357 UINT flags,LPCSTR srcfilename,LPCSTR destfilename,LPCSTR srcdir,
358 LPCSTR destdir,LPCSTR curdir,LPSTR tmpfile,UINT *tmpfilelen )
359 {
360 LPCSTR pdest;
361 char destfn[260],tmpfn[260],srcfn[260];
362 HFILE hfsrc,hfdst;
363 DWORD attr,ret,xret,tmplast;
364 LPBYTE buf1,buf2;
365 OFSTRUCT ofs;
366
367 TRACE("(%x,%s,%s,%s,%s,%s,%p,%d)\n",
368 flags,srcfilename,destfilename,srcdir,destdir,curdir,tmpfile,*tmpfilelen
369 );
370 xret = 0;
371 sprintf(srcfn,"%s\\%s",srcdir,srcfilename);
372 if (!destdir || !*destdir) pdest = srcdir;
373 else pdest = destdir;
374 sprintf(destfn,"%s\\%s",pdest,destfilename);
375 hfsrc=LZOpenFileA(srcfn,&ofs,OF_READ);
376 if (hfsrc < 0)
377 return VIF_CANNOTREADSRC;
378 sprintf(tmpfn,"%s\\%s",pdest,destfilename);
379 tmplast=strlen(pdest)+1;
380 attr = GetFileAttributesA(tmpfn);
381 if (attr!=-1) {
382 if (attr & FILE_ATTRIBUTE_READONLY) {
383 LZClose(hfsrc);
384 return VIF_WRITEPROT;
385 }
386 /* FIXME: check if file currently in use and return VIF_FILEINUSE */
387 }
388 attr = -1;
389 if (flags & VIFF_FORCEINSTALL) {
390 if (tmpfile[0]) {
391 sprintf(tmpfn,"%s\\%s",pdest,tmpfile);
392 tmplast = strlen(pdest)+1;
393 attr = GetFileAttributesA(tmpfn);
394 /* if it exists, it has been copied by the call before.
395 * we jump over the copy part...
396 */
397 }
398 }
399 if (attr == -1) {
400 char *s;
401
402 GetTempFileNameA(pdest,"ver",0,tmpfn); /* should not fail ... */
403 s=strrchr(tmpfn,'\\');
404 if (s)
405 tmplast = s-tmpfn;
406 else
407 tmplast = 0;
408 hfdst = OpenFile(tmpfn,&ofs,OF_CREATE);
409 if (hfdst == HFILE_ERROR) {
410 LZClose(hfsrc);
411 return VIF_CANNOTCREATE; /* | translated dos error */
412 }
413 ret = LZCopy(hfsrc,hfdst);
414 _lclose(hfdst);
415 if (((long) ret) < 0) {
416 /* translate LZ errors into VIF_xxx */
417 switch (ret) {
418 case LZERROR_BADINHANDLE:
419 case LZERROR_READ:
420 case LZERROR_BADVALUE:
421 case LZERROR_UNKNOWNALG:
422 ret = VIF_CANNOTREADSRC;
423 break;
424 case LZERROR_BADOUTHANDLE:
425 case LZERROR_WRITE:
426 ret = VIF_OUTOFSPACE;
427 break;
428 case LZERROR_GLOBALLOC:
429 case LZERROR_GLOBLOCK:
430 ret = VIF_OUTOFMEMORY;
431 break;
432 default: /* unknown error, should not happen */
433 ret = 0;
434 break;
435 }
436 if (ret) {
437 LZClose(hfsrc);
438 return ret;
439 }
440 }
441 }
442 xret = 0;
443 if (!(flags & VIFF_FORCEINSTALL)) {
444 VS_FIXEDFILEINFO *destvffi,*tmpvffi;
445 buf1 = _fetch_versioninfo(destfn,&destvffi);
446 if (buf1) {
447 buf2 = _fetch_versioninfo(tmpfn,&tmpvffi);
448 if (buf2) {
449 char *tbuf1,*tbuf2;
450 UINT len1,len2;
451
452 len1=len2=40;
453
454 /* compare file versions */
455 if ((destvffi->dwFileVersionMS > tmpvffi->dwFileVersionMS)||
456 ((destvffi->dwFileVersionMS==tmpvffi->dwFileVersionMS)&&
457 (destvffi->dwFileVersionLS > tmpvffi->dwFileVersionLS)
458 )
459 )
460 xret |= VIF_MISMATCH|VIF_SRCOLD;
461 /* compare filetypes and filesubtypes */
462 if ((destvffi->dwFileType!=tmpvffi->dwFileType) ||
463 (destvffi->dwFileSubtype!=tmpvffi->dwFileSubtype)
464 )
465 xret |= VIF_MISMATCH|VIF_DIFFTYPE;
466 if (VerQueryValueA(buf1,"\\VarFileInfo\\Translation",(LPVOID*)&tbuf1,&len1) &&
467 VerQueryValueA(buf2,"\\VarFileInfo\\Translation",(LPVOID*)&tbuf2,&len2)
468 ) {
469 /* irgendwas mit tbuf1 und tbuf2 machen
470 * generiert DIFFLANG|MISMATCH
471 */
472 }
473 HeapFree(GetProcessHeap(), 0, buf2);
474 } else
475 xret=VIF_MISMATCH|VIF_SRCOLD;
476 HeapFree(GetProcessHeap(), 0, buf1);
477 }
478 }
479 if (xret) {
480 if (*tmpfilelen<strlen(tmpfn+tmplast)) {
481 xret|=VIF_BUFFTOOSMALL;
482 DeleteFileA(tmpfn);
483 } else {
484 strcpy(tmpfile,tmpfn+tmplast);
485 *tmpfilelen = strlen(tmpfn+tmplast)+1;
486 xret|=VIF_TEMPFILE;
487 }
488 } else {
489 if (-1!=GetFileAttributesA(destfn))
490 if (!DeleteFileA(destfn)) {
491 xret|=_error2vif(GetLastError())|VIF_CANNOTDELETE;
492 DeleteFileA(tmpfn);
493 LZClose(hfsrc);
494 return xret;
495 }
496 if ((!(flags & VIFF_DONTDELETEOLD)) &&
497 curdir &&
498 *curdir &&
499 lstrcmpiA(curdir,pdest)
500 ) {
501 char curfn[260];
502
503 sprintf(curfn,"%s\\%s",curdir,destfilename);
504 if (-1!=GetFileAttributesA(curfn)) {
505 /* FIXME: check if in use ... if it is, VIF_CANNOTDELETECUR */
506 if (!DeleteFileA(curfn))
507 xret|=_error2vif(GetLastError())|VIF_CANNOTDELETECUR;
508 }
509 }
510 if (!MoveFileA(tmpfn,destfn)) {
511 xret|=_error2vif(GetLastError())|VIF_CANNOTRENAME;
512 DeleteFileA(tmpfn);
513 }
514 }
515 LZClose(hfsrc);
516 return xret;
517 }
518
519
520 /******************************************************************************
521 * VerInstallFileW [VERSION.@]
522 */
523 DWORD WINAPI VerInstallFileW(
524 UINT flags,LPCWSTR srcfilename,LPCWSTR destfilename,LPCWSTR srcdir,
525 LPCWSTR destdir,LPCWSTR curdir,LPWSTR tmpfile,UINT *tmpfilelen )
526 {
527 LPSTR wsrcf = NULL, wsrcd = NULL, wdestf = NULL, wdestd = NULL, wtmpf = NULL, wcurd = NULL;
528 DWORD ret;
529 UINT len;
530
531 if (srcfilename)
532 {
533 len = WideCharToMultiByte( CP_ACP, 0, srcfilename, -1, NULL, 0, NULL, NULL );
534 if ((wsrcf = HeapAlloc( GetProcessHeap(), 0, len )))
535 WideCharToMultiByte( CP_ACP, 0, srcfilename, -1, wsrcf, len, NULL, NULL );
536 }
537 if (srcdir)
538 {
539 len = WideCharToMultiByte( CP_ACP, 0, srcdir, -1, NULL, 0, NULL, NULL );
540 if ((wsrcd = HeapAlloc( GetProcessHeap(), 0, len )))
541 WideCharToMultiByte( CP_ACP, 0, srcdir, -1, wsrcd, len, NULL, NULL );
542 }
543 if (destfilename)
544 {
545 len = WideCharToMultiByte( CP_ACP, 0, destfilename, -1, NULL, 0, NULL, NULL );
546 if ((wdestf = HeapAlloc( GetProcessHeap(), 0, len )))
547 WideCharToMultiByte( CP_ACP, 0, destfilename, -1, wdestf, len, NULL, NULL );
548 }
549 if (destdir)
550 {
551 len = WideCharToMultiByte( CP_ACP, 0, destdir, -1, NULL, 0, NULL, NULL );
552 if ((wdestd = HeapAlloc( GetProcessHeap(), 0, len )))
553 WideCharToMultiByte( CP_ACP, 0, destdir, -1, wdestd, len, NULL, NULL );
554 }
555 if (curdir)
556 {
557 len = WideCharToMultiByte( CP_ACP, 0, curdir, -1, NULL, 0, NULL, NULL );
558 if ((wcurd = HeapAlloc( GetProcessHeap(), 0, len )))
559 WideCharToMultiByte( CP_ACP, 0, curdir, -1, wcurd, len, NULL, NULL );
560 }
561 len = *tmpfilelen * sizeof(WCHAR);
562 wtmpf = HeapAlloc( GetProcessHeap(), 0, len );
563 ret = VerInstallFileA(flags,wsrcf,wdestf,wsrcd,wdestd,wcurd,wtmpf,&len);
564 if (!ret)
565 *tmpfilelen = MultiByteToWideChar( CP_ACP, 0, wtmpf, -1, tmpfile, *tmpfilelen );
566 else if (ret & VIF_BUFFTOOSMALL)
567 *tmpfilelen = len; /* FIXME: not correct */
568
569 HeapFree( GetProcessHeap(), 0, wsrcf );
570 HeapFree( GetProcessHeap(), 0, wsrcd );
571 HeapFree( GetProcessHeap(), 0, wdestf );
572 HeapFree( GetProcessHeap(), 0, wdestd );
573 HeapFree( GetProcessHeap(), 0, wtmpf );
574 HeapFree( GetProcessHeap(), 0, wcurd );
575 return ret;
576 }
577
Windows API implementation