Line data Source code
1 : /*
2 : Bacula® - The Network Backup Solution
3 :
4 : Copyright (C) 2000-2010 Free Software Foundation Europe e.V.
5 :
6 : The main author of Bacula is Kern Sibbald, with contributions from
7 : many others, a complete list can be found in the file AUTHORS.
8 : This program is Free Software; you can redistribute it and/or
9 : modify it under the terms of version three of the GNU Affero General Public
10 : License as published by the Free Software Foundation and included
11 : in the file LICENSE.
12 :
13 : This program is distributed in the hope that it will be useful, but
14 : WITHOUT ANY WARRANTY; without even the implied warranty of
15 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 : General Public License for more details.
17 :
18 : You should have received a copy of the GNU Affero General Public License
19 : along with this program; if not, write to the Free Software
20 : Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 : 02110-1301, USA.
22 :
23 : Bacula® is a registered trademark of Kern Sibbald.
24 : The licensor of Bacula is the Free Software Foundation Europe
25 : (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26 : Switzerland, email:ftf@fsfeurope.org.
27 : */
28 : /*
29 : This file was derived from GNU TAR source code. Except for a few key
30 : ideas, it has been entirely rewritten for Bacula.
31 :
32 : Kern Sibbald, MM
33 :
34 : Thanks to the TAR programmers.
35 : */
36 : /*
37 : This file was derived from the findlib code from bacula-5.0.3, and
38 : heavily modified. Therefore, I have retained the bacula copyright notice.
39 : The specific bacula files were:
40 : src/findlib/find.c
41 : src/findlib/find_one.c.
42 : The comment by Kern above, about TAR, was from find_one.c.
43 :
44 : Graham Keeling, 2014.
45 : */
46 :
47 : #include "../burp.h"
48 : #include "../alloc.h"
49 : #include "../conf.h"
50 : #include "../fsops.h"
51 : #include "../linkhash.h"
52 : #include "../log.h"
53 : #include "../pathcmp.h"
54 : #include "../prepend.h"
55 : #include "../regexp.h"
56 : #include "../strlist.h"
57 : #include "find.h"
58 :
59 : #ifdef HAVE_LINUX_OS
60 : #include <sys/statfs.h>
61 : #endif
62 : #ifdef HAVE_SUN_OS
63 : #include <sys/statvfs.h>
64 : #endif
65 :
66 : static int (*my_send_file)(struct asfd *, struct FF_PKT *, struct conf **);
67 :
68 : // Initialize the find files "global" variables
69 14 : struct FF_PKT *find_files_init(
70 : int callback(struct asfd *asfd, struct FF_PKT *ff, struct conf **confs))
71 : {
72 : struct FF_PKT *ff;
73 :
74 14 : if(!(ff=(struct FF_PKT *)calloc_w(1, sizeof(struct FF_PKT), __func__))
75 14 : || linkhash_init())
76 : return NULL;
77 14 : my_send_file=callback;
78 :
79 14 : return ff;
80 : }
81 :
82 14 : void find_files_free(struct FF_PKT **ff)
83 : {
84 14 : linkhash_free();
85 14 : free_v((void **)ff);
86 14 : }
87 :
88 : // Return 1 to include the file, 0 to exclude it.
89 55 : static int in_include_ext(struct strlist *incext, const char *fname)
90 : {
91 55 : int i=0;
92 : struct strlist *l;
93 55 : const char *cp=NULL;
94 : // If not doing include_ext, let the file get backed up.
95 55 : if(!incext) return 1;
96 :
97 : // The flag of the first item contains the maximum number of characters
98 : // that need to be checked.
99 : // FIX THIS: The next two functions do things very similar to this.
100 32 : for(cp=fname+strlen(fname)-1; i<incext->flag && cp>=fname; cp--, i++)
101 : {
102 14 : if(*cp!='.') continue;
103 3 : for(l=incext; l; l=l->next)
104 7 : if(!strcasecmp(l->path, cp+1))
105 : return 1;
106 : // If file has no extension, it cannot be included.
107 : return 0;
108 : }
109 : return 0;
110 : }
111 :
112 137 : static int in_exclude_ext(struct strlist *excext, const char *fname)
113 : {
114 137 : int i=0;
115 : struct strlist *l;
116 137 : const char *cp=NULL;
117 : // If not doing exclude_ext, let the file get backed up.
118 137 : if(!excext) return 0;
119 :
120 : // The flag of the first item contains the maximum number of characters
121 : // that need to be checked.
122 50 : for(cp=fname+strlen(fname)-1; i<excext->flag && cp>=fname; cp--, i++)
123 : {
124 20 : if(*cp!='.') continue;
125 5 : for(l=excext; l; l=l->next)
126 8 : if(!strcasecmp(l->path, cp+1))
127 : return 1;
128 : // If file has no extension, it is included.
129 : return 0;
130 : }
131 : return 0;
132 : }
133 :
134 : // Returns the level of compression.
135 8 : int in_exclude_comp(struct strlist *excom, const char *fname, int compression)
136 : {
137 8 : int i=0;
138 : struct strlist *l;
139 8 : const char *cp=NULL;
140 : // If not doing compression, or there are no excludes, return
141 : // straight away.
142 8 : if(!compression || !excom) return compression;
143 :
144 : // The flag of the first item contains the maximum number of characters
145 : // that need to be checked.
146 0 : for(cp=fname+strlen(fname)-1; i<excom->flag && cp>=fname; cp--, i++)
147 : {
148 0 : if(*cp!='.') continue;
149 0 : for(l=excom; l; l=l->next)
150 0 : if(!strcasecmp(l->path, cp+1))
151 : return 0;
152 : return compression;
153 : }
154 : return compression;
155 : }
156 :
157 : /* Return 1 to include the file, 0 to exclude it. */
158 : /* Currently not used - it needs more thinking about. */
159 131 : int in_include_regex(struct strlist *increg, const char *fname)
160 : {
161 : // If not doing include_regex, let the file get backed up.
162 131 : if(!increg) return 1;
163 8 : for(; increg; increg=increg->next)
164 14 : if(regex_check(increg->re, fname))
165 : return 1;
166 : return 0;
167 : }
168 :
169 : static int in_exclude_regex(struct strlist *excreg, const char *fname)
170 : {
171 : // If not doing exclude_regex, let the file get backed up.
172 20 : for(; excreg; excreg=excreg->next)
173 23 : if(regex_check(excreg->re, fname))
174 : return 1;
175 : return 0;
176 : }
177 :
178 : // When recursing into directories, do not want to check the include_ext list.
179 : #ifndef UTEST
180 : static
181 : #endif
182 137 : int file_is_included_no_incext(struct conf **confs, const char *fname)
183 : {
184 137 : int ret=0;
185 137 : int longest=0;
186 137 : int matching=0;
187 137 : struct strlist *l=NULL;
188 137 : struct strlist *best=NULL;
189 :
190 137 : if(in_exclude_ext(get_strlist(confs[OPT_EXCEXT]), fname)
191 268 : || in_exclude_regex(get_strlist(confs[OPT_EXCREG]), fname)
192 131 : || !in_include_regex(get_strlist(confs[OPT_INCREG]), fname))
193 : return 0;
194 :
195 : // Check include/exclude directories.
196 338 : for(l=get_strlist(confs[OPT_INCEXCDIR]); l; l=l->next)
197 : {
198 210 : matching=is_subdir(l->path, fname);
199 210 : if(matching>=longest)
200 : {
201 158 : longest=matching;
202 158 : best=l;
203 : }
204 : }
205 128 : if(!best) ret=0;
206 128 : else ret=best->flag;
207 :
208 : return ret;
209 : }
210 :
211 70 : static int file_is_included(struct conf **confs,
212 : const char *fname, bool top_level)
213 : {
214 : // Always save the top level directory.
215 : // This will help in the simulation of browsing backups because it
216 : // will mean that there is always a directory before any files:
217 : // d /home/graham
218 : // f /home/graham/somefile.txt
219 : // This means that we can use the stats of the directory (/home/graham
220 : // in this example) as the stats of the parent directories (/home,
221 : // for example). Trust me on this.
222 70 : if(!top_level
223 55 : && !in_include_ext(get_strlist(confs[OPT_INCEXT]), fname)) return 0;
224 :
225 67 : return file_is_included_no_incext(confs, fname);
226 : }
227 :
228 0 : static int fs_change_is_allowed(struct conf **confs, const char *fname)
229 : {
230 : struct strlist *l;
231 0 : if(get_int(confs[OPT_CROSS_ALL_FILESYSTEMS])) return 1;
232 0 : for(l=get_strlist(confs[OPT_FSCHGDIR]); l; l=l->next)
233 0 : if(!strcmp(l->path, fname)) return 1;
234 : return 0;
235 : }
236 :
237 6 : static int need_to_read_fifo(struct conf **confs, const char *fname)
238 : {
239 : struct strlist *l;
240 6 : if(get_int(confs[OPT_READ_ALL_FIFOS])) return 1;
241 7 : for(l=get_strlist(confs[OPT_FIFOS]); l; l=l->next)
242 5 : if(!strcmp(l->path, fname)) return 1;
243 : return 0;
244 : }
245 :
246 2 : static int need_to_read_blockdev(struct conf **confs, const char *fname)
247 : {
248 : struct strlist *l;
249 2 : if(get_int(confs[OPT_READ_ALL_BLOCKDEVS])) return 1;
250 3 : for(l=get_strlist(confs[OPT_BLOCKDEVS]); l; l=l->next)
251 3 : if(!strcmp(l->path, fname)) return 1;
252 : return 0;
253 : }
254 :
255 26 : static int nobackup_directory(struct strlist *nobackup, const char *path)
256 : {
257 : struct stat statp;
258 62 : for(; nobackup; nobackup=nobackup->next)
259 : {
260 7 : char *fullpath=NULL;
261 7 : if(!(fullpath=prepend_s(path, nobackup->path)))
262 2 : return -1;
263 14 : if(!lstat(fullpath, &statp))
264 : {
265 2 : free_w(&fullpath);
266 2 : return 1;
267 : }
268 5 : free_w(&fullpath);
269 : }
270 : return 0;
271 : }
272 :
273 32 : static int file_size_match(struct FF_PKT *ff_pkt, struct conf **confs)
274 : {
275 : uint64_t sizeleft;
276 32 : uint64_t min_file_size=get_uint64_t(confs[OPT_MIN_FILE_SIZE]);
277 32 : uint64_t max_file_size=get_uint64_t(confs[OPT_MAX_FILE_SIZE]);
278 32 : sizeleft=(uint64_t)ff_pkt->statp.st_size;
279 :
280 32 : if(min_file_size && sizeleft<min_file_size)
281 : return 0;
282 31 : if(max_file_size && sizeleft>max_file_size)
283 : return 0;
284 : return 1;
285 : }
286 :
287 : // Last checks before actually processing the file system entry.
288 70 : static int my_send_file_w(struct asfd *asfd, struct FF_PKT *ff, bool top_level, struct conf **confs)
289 : {
290 70 : if(!file_is_included(confs, ff->fname, top_level)) return 0;
291 :
292 : // Doing the file size match here also catches hard links.
293 66 : if(S_ISREG(ff->statp.st_mode)
294 32 : && !file_size_match(ff, confs))
295 : return 0;
296 :
297 : /*
298 : * Handle hard linked files
299 : * Maintain a list of hard linked files already backed up. This
300 : * allows us to ensure that the data of each file gets backed
301 : * up only once.
302 : */
303 64 : if(ff->statp.st_nlink > 1
304 56 : && (S_ISREG(ff->statp.st_mode)
305 28 : || S_ISCHR(ff->statp.st_mode)
306 24 : || S_ISBLK(ff->statp.st_mode)
307 24 : || S_ISFIFO(ff->statp.st_mode)
308 24 : || S_ISSOCK(ff->statp.st_mode)))
309 : {
310 : struct f_link *lp;
311 4 : struct f_link **bucket=NULL;
312 :
313 4 : if((lp=linkhash_search(&ff->statp, &bucket)))
314 : {
315 2 : if(!strcmp(lp->name, ff->fname)) return 0;
316 2 : ff->link=lp->name;
317 : /* Handle link, file already saved */
318 2 : ff->type=FT_LNK_H;
319 : }
320 : else
321 : {
322 2 : if(linkhash_add(ff->fname,
323 : &ff->statp, bucket)) return -1;
324 : }
325 : }
326 :
327 64 : return my_send_file(asfd, ff, confs);
328 : }
329 :
330 : static int found_regular_file(struct asfd *asfd,
331 : struct FF_PKT *ff_pkt, struct conf **confs,
332 : bool top_level)
333 : {
334 34 : ff_pkt->type=FT_REG;
335 34 : return my_send_file_w(asfd, ff_pkt, top_level, confs);
336 : }
337 :
338 1 : static int found_soft_link(struct asfd *asfd, struct FF_PKT *ff_pkt, struct conf **confs,
339 : char *fname, bool top_level)
340 : {
341 : ssize_t size;
342 1 : char *buffer=(char *)alloca(fs_full_path_max+102);
343 :
344 1 : if((size=readlink(fname, buffer, fs_full_path_max+101))<0)
345 : {
346 : /* Could not follow link */
347 0 : ff_pkt->type=FT_NOFOLLOW;
348 : }
349 : else
350 : {
351 1 : buffer[size]=0;
352 1 : ff_pkt->link=buffer; /* point to link */
353 1 : ff_pkt->type=FT_LNK_S; /* got a soft link */
354 : }
355 1 : return my_send_file_w(asfd, ff_pkt, top_level, confs);
356 : }
357 :
358 14 : static int fstype_matches(struct asfd *asfd,
359 : struct conf **confs, const char *fname, int inex)
360 : {
361 : #if defined(HAVE_LINUX_OS) \
362 : || defined(HAVE_SUN_OS)
363 : struct strlist *l;
364 : #if defined(HAVE_LINUX_OS)
365 : struct statfs buf;
366 14 : if(statfs(fname, &buf))
367 : #elif defined(HAVE_SUN_OS)
368 : struct statvfs buf;
369 : if(statvfs(fname, &buf))
370 : #endif
371 : {
372 0 : logw(asfd, get_cntr(confs), "Could not statfs %s: %s\n",
373 0 : fname, strerror(errno));
374 0 : return -1;
375 : }
376 14 : for(l=get_strlist(confs[inex]); l; l=l->next)
377 : #if defined(HAVE_LINUX_OS)
378 0 : if(l->flag==buf.f_type)
379 : #elif defined(HAVE_SUN_OS)
380 : if(strcmp(l->path,buf.f_basetype)==0)
381 : #endif
382 : return -1;
383 : #elif defined(HAVE_WIN32)
384 : char filesystem_name[MAX_PATH_UTF8 + 1];
385 : if (win32_getfsname(fname, filesystem_name, sizeof(filesystem_name)))
386 : return -1;
387 : for(strlist *l=get_strlist(confs[inex]); l; l=l->next)
388 : if(strcmp(l->path,filesystem_name)==0)
389 : return -1;
390 : #endif
391 : return 0;
392 : }
393 :
394 : #if defined(HAVE_WIN32)
395 : static void windows_reparse_point_fiddling(struct FF_PKT *ff_pkt)
396 : {
397 : /*
398 : * We have set st_rdev to 1 if it is a reparse point, otherwise 0,
399 : * if st_rdev is 2, it is a mount point.
400 : */
401 : /*
402 : * A reparse point (WIN32_REPARSE_POINT)
403 : * is something special like one of the following:
404 : * IO_REPARSE_TAG_DFS 0x8000000A
405 : * IO_REPARSE_TAG_DFSR 0x80000012
406 : * IO_REPARSE_TAG_HSM 0xC0000004
407 : * IO_REPARSE_TAG_HSM2 0x80000006
408 : * IO_REPARSE_TAG_SIS 0x80000007
409 : * IO_REPARSE_TAG_SYMLINK 0xA000000C
410 : *
411 : * A junction point is a:
412 : * IO_REPARSE_TAG_MOUNT_POINT 0xA0000003
413 : * which can be either a link to a Volume (WIN32_MOUNT_POINT)
414 : * or a link to a directory (WIN32_JUNCTION_POINT)
415 : *
416 : * Ignore WIN32_REPARSE_POINT and WIN32_JUNCTION_POINT
417 : */
418 : if (ff_pkt->statp.st_rdev == WIN32_REPARSE_POINT) {
419 : ff_pkt->type = FT_REPARSE;
420 : } else if (ff_pkt->statp.st_rdev == WIN32_JUNCTION_POINT) {
421 : ff_pkt->type = FT_JUNCTION;
422 : }
423 : }
424 : #endif
425 :
426 : // Prototype because process_entries_in_directory() recurses using find_files().
427 : static int find_files(struct asfd *asfd,
428 : struct FF_PKT *ff_pkt, struct conf **confs,
429 : char *fname, dev_t parent_device, bool top_level);
430 :
431 18 : static int process_entries_in_directory(struct asfd *asfd, char **nl,
432 : int count, char **link, size_t len, size_t *link_len,
433 : struct conf **confs, struct FF_PKT *ff_pkt, dev_t our_device)
434 : {
435 18 : int m=0;
436 18 : int ret=0;
437 82 : for(m=0; m<count; m++)
438 : {
439 : size_t i;
440 64 : char *p=NULL;
441 64 : char *q=NULL;
442 : size_t plen;
443 :
444 64 : p=nl[m];
445 :
446 64 : if(strlen(p)+len>=*link_len)
447 : {
448 0 : *link_len=len+strlen(p)+1;
449 0 : if(!(*link=(char *)
450 0 : realloc_w(*link, (*link_len)+1, __func__)))
451 : return -1;
452 : }
453 64 : q=(*link)+len;
454 64 : plen=strlen(p);
455 179 : for(i=0; i<plen; i++)
456 115 : *q++=*p++;
457 64 : *q=0;
458 64 : ff_pkt->flen=i;
459 :
460 64 : if(file_is_included_no_incext(confs, *link))
461 : {
462 53 : ret=find_files(asfd, ff_pkt,
463 : confs, *link, our_device, false /*top_level*/);
464 : }
465 : else
466 : {
467 : struct strlist *x;
468 : // Excluded, but there might be a subdirectory that is
469 : // included.
470 30 : for(x=get_strlist(confs[OPT_INCEXCDIR]); x; x=x->next)
471 : {
472 19 : if(x->flag
473 16 : && is_subdir(*link, x->path))
474 : {
475 : struct strlist *y;
476 4 : if((ret=find_files(asfd, ff_pkt,
477 : confs, x->path,
478 : our_device, false)))
479 : break;
480 : // Now need to skip subdirectories of
481 : // the thing that we just stuck in
482 : // find_one_file(), or we might get
483 : // some things backed up twice.
484 6 : for(y=x->next; y; y=y->next)
485 2 : if(y->next
486 1 : && is_subdir(x->path, y->path))
487 1 : y=y->next;
488 : }
489 : }
490 : }
491 64 : free_w(&(nl[m]));
492 64 : if(ret) break;
493 : }
494 : return ret;
495 : }
496 :
497 26 : static int found_directory(struct asfd *asfd,
498 : struct FF_PKT *ff_pkt, struct conf **confs,
499 : char *fname, dev_t parent_device, bool top_level)
500 : {
501 26 : int ret=-1;
502 26 : char *link=NULL;
503 : size_t link_len;
504 : size_t len;
505 26 : int nbret=0;
506 26 : int count=0;
507 : dev_t our_device;
508 26 : char **nl=NULL;
509 :
510 26 : our_device=ff_pkt->statp.st_dev;
511 :
512 26 : if((nbret=nobackup_directory(get_strlist(confs[OPT_NOBACKUP]),
513 26 : ff_pkt->fname)))
514 : {
515 2 : if(nbret<0) goto end; // Error.
516 2 : ret=0; // Do not back it up.
517 2 : goto end;
518 : }
519 :
520 : /* Build a canonical directory name with a trailing slash in link var */
521 24 : len=strlen(fname);
522 24 : link_len=len+200;
523 24 : if(!(link=(char *)malloc_w(link_len+2, __func__)))
524 : goto end;
525 24 : snprintf(link, link_len, "%s", fname);
526 :
527 : /* Strip all trailing slashes */
528 24 : while(len >= 1 && IsPathSeparator(link[len - 1])) len--;
529 : /* add back one */
530 24 : link[len++]='/';
531 24 : link[len]=0;
532 :
533 24 : ff_pkt->link=link;
534 24 : ff_pkt->type=FT_DIR;
535 :
536 : #if defined(HAVE_WIN32)
537 : windows_reparse_point_fiddling(ff_pkt);
538 : #endif
539 :
540 24 : if(my_send_file_w(asfd, ff_pkt, top_level, confs))
541 : goto end;
542 24 : if(ff_pkt->type==FT_REPARSE || ff_pkt->type==FT_JUNCTION)
543 : {
544 : // Ignore.
545 : ret=0;
546 : goto end;
547 : }
548 :
549 24 : if(top_level
550 10 : || (parent_device!=ff_pkt->statp.st_dev
551 : #if defined(HAVE_WIN32)
552 : || ff_pkt->statp.st_rdev==WIN32_MOUNT_POINT
553 : #endif
554 : ))
555 : {
556 14 : if(fstype_matches(asfd, confs, ff_pkt->fname, OPT_EXCFS)
557 14 : || (get_strlist(confs[OPT_INCFS])
558 0 : && !fstype_matches(asfd, confs, ff_pkt->fname, OPT_INCFS)))
559 : {
560 0 : if(top_level)
561 0 : logw(asfd, get_cntr(confs),
562 : "Skipping '%s' because of file system include or exclude.\n", fname);
563 0 : ret=my_send_file_w(asfd, ff_pkt, top_level, confs);
564 0 : goto end;
565 : }
566 14 : if(!top_level && !fs_change_is_allowed(confs, ff_pkt->fname))
567 : {
568 0 : ff_pkt->type=FT_NOFSCHG;
569 : // Just backup the directory and return.
570 0 : ret=my_send_file_w(asfd, ff_pkt, top_level, confs);
571 0 : goto end;
572 : }
573 : }
574 :
575 24 : ff_pkt->link=ff_pkt->fname;
576 :
577 24 : errno=0;
578 24 : switch(entries_in_directory_alphasort(fname,
579 : &nl, &count, get_int(confs[OPT_ATIME])))
580 : {
581 : case 0: break;
582 : case 1:
583 0 : ff_pkt->type=FT_NOOPEN;
584 0 : ret=my_send_file_w(asfd, ff_pkt, top_level, confs);
585 : default:
586 : goto end;
587 : }
588 :
589 24 : if(nl)
590 : {
591 18 : if(process_entries_in_directory(asfd, nl, count,
592 : &link, len, &link_len, confs, ff_pkt, our_device))
593 : goto end;
594 : }
595 : ret=0;
596 : end:
597 26 : free_w(&link);
598 26 : free_v((void **)&nl);
599 26 : return ret;
600 : }
601 :
602 9 : static int found_other(struct asfd *asfd, struct FF_PKT *ff_pkt,
603 : struct conf **confs, bool top_level)
604 : {
605 : #ifdef HAVE_FREEBSD_OS
606 : /*
607 : * On FreeBSD, all block devices are character devices, so
608 : * to be able to read a raw disk, we need the check for
609 : * a character device.
610 : * crw-r----- 1 root operator - 116, 0x00040002 Jun 9 19:32 /dev/ad0s3
611 : * crw-r----- 1 root operator - 116, 0x00040002 Jun 9 19:32 /dev/rad0s3
612 : */
613 : if((S_ISBLK(ff_pkt->statp.st_mode) || S_ISCHR(ff_pkt->statp.st_mode))
614 : && need_to_read_blockdev(confs, ff_pkt->fname))
615 : {
616 : #else
617 9 : if(S_ISBLK(ff_pkt->statp.st_mode)
618 2 : && need_to_read_blockdev(confs, ff_pkt->fname))
619 : {
620 : #endif
621 : /* raw partition */
622 2 : ff_pkt->type=FT_RAW;
623 : }
624 7 : else if(S_ISFIFO(ff_pkt->statp.st_mode)
625 6 : && need_to_read_fifo(confs, ff_pkt->fname))
626 : {
627 4 : ff_pkt->type=FT_FIFO;
628 : }
629 : else
630 : {
631 : /* The only remaining are special (character, ...) files */
632 3 : ff_pkt->type=FT_SPEC;
633 : }
634 9 : return my_send_file_w(asfd, ff_pkt, top_level, confs);
635 : }
636 :
637 72 : static int find_files(struct asfd *asfd, struct FF_PKT *ff_pkt, struct conf **confs,
638 : char *fname, dev_t parent_device, bool top_level)
639 : {
640 72 : ff_pkt->fname=fname;
641 72 : ff_pkt->link=fname;
642 :
643 : #ifdef HAVE_WIN32
644 : if(win32_lstat(fname, &ff_pkt->statp, &ff_pkt->winattr))
645 : #else
646 144 : if(lstat(fname, &ff_pkt->statp))
647 : #endif
648 : {
649 2 : ff_pkt->type=FT_NOSTAT;
650 2 : return my_send_file_w(asfd, ff_pkt, top_level, confs);
651 : }
652 :
653 70 : if(S_ISREG(ff_pkt->statp.st_mode))
654 68 : return found_regular_file(asfd, ff_pkt, confs, top_level);
655 36 : else if(S_ISLNK(ff_pkt->statp.st_mode))
656 : {
657 : #ifdef S_IFLNK
658 : /* A symlink.
659 : If they have specified the symlink in a read_blockdev
660 : argument, treat it as a block device.
661 : */
662 : struct strlist *l;
663 4 : for(l=get_strlist(confs[OPT_BLOCKDEVS]); l; l=l->next)
664 : {
665 3 : if(!strcmp(l->path, fname))
666 : {
667 2 : ff_pkt->statp.st_mode ^= S_IFLNK;
668 2 : ff_pkt->statp.st_mode |= S_IFBLK;
669 2 : return found_other(asfd, ff_pkt, confs,
670 : top_level);
671 : }
672 : }
673 : #endif
674 1 : return found_soft_link(asfd, ff_pkt, confs, fname, top_level);
675 : }
676 33 : else if(S_ISDIR(ff_pkt->statp.st_mode))
677 26 : return found_directory(asfd, ff_pkt, confs, fname,
678 : parent_device, top_level);
679 : else
680 7 : return found_other(asfd, ff_pkt, confs, top_level);
681 : }
682 :
683 15 : int find_files_begin(struct asfd *asfd,
684 : struct FF_PKT *ff_pkt, struct conf **confs, char *fname)
685 : {
686 15 : return find_files(asfd, ff_pkt,
687 : confs, fname, (dev_t)-1, 1 /* top_level */);
688 : }
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