Commit | Line | Data |
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f0f5767f | 1 | /* -*- c-file-style: "linux" -*- |
0f2ac855 | 2 | * |
07a874fd MP |
3 | * Copyright (C) 1996-2001 by Andrew Tridgell <tridge@samba.org> |
4 | * Copyright (C) 1996 by Paul Mackerras | |
5 | * Copyright (C) 2002 by Martin Pool | |
0f2ac855 | 6 | * |
07a874fd MP |
7 | * This program is free software; you can redistribute it and/or modify |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
0f2ac855 | 11 | * |
07a874fd MP |
12 | * This program 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 | |
15 | * GNU General Public License for more details. | |
0f2ac855 | 16 | * |
07a874fd MP |
17 | * You should have received a copy of the GNU General Public License |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | */ | |
c627d613 | 21 | |
2b6b4d53 AT |
22 | /* a lot of this stuff was originally derived from GNU tar, although |
23 | it has now changed so much that it is hard to tell :) */ | |
c627d613 | 24 | |
d567322f MP |
25 | /* include/exclude cluestick added by Martin Pool <mbp@samba.org> */ |
26 | ||
c627d613 AT |
27 | #include "rsync.h" |
28 | ||
29 | extern int verbose; | |
30 | ||
5be7fa93 WD |
31 | struct exclude_struct **exclude_list; |
32 | struct exclude_struct **local_exclude_list; | |
33 | struct exclude_struct **server_exclude_list; | |
34 | char *exclude_path_prefix = NULL; | |
c627d613 | 35 | |
07a874fd | 36 | /** Build an exclude structure given a exclude pattern */ |
f0f5767f | 37 | static struct exclude_struct *make_exclude(const char *pattern, int include) |
c627d613 | 38 | { |
2b6b4d53 | 39 | struct exclude_struct *ret; |
170381c0 | 40 | char *cp; |
5be7fa93 | 41 | int pat_len; |
c627d613 | 42 | |
2b6b4d53 AT |
43 | ret = (struct exclude_struct *)malloc(sizeof(*ret)); |
44 | if (!ret) out_of_memory("make_exclude"); | |
c627d613 | 45 | |
2b6b4d53 AT |
46 | memset(ret, 0, sizeof(*ret)); |
47 | ||
2b6b4d53 AT |
48 | if (strncmp(pattern,"- ",2) == 0) { |
49 | pattern += 2; | |
50 | } else if (strncmp(pattern,"+ ",2) == 0) { | |
51 | ret->include = 1; | |
52 | pattern += 2; | |
53 | } else { | |
54 | ret->include = include; | |
55 | } | |
56 | ||
5be7fa93 WD |
57 | if (exclude_path_prefix) |
58 | ret->match_flags |= MATCHFLG_ABS_PATH; | |
59 | if (exclude_path_prefix && *pattern == '/') { | |
60 | ret->pattern = malloc(strlen(exclude_path_prefix) | |
61 | + strlen(pattern) + 1); | |
62 | if (!ret->pattern) out_of_memory("make_exclude"); | |
63 | sprintf(ret->pattern, "%s%s", exclude_path_prefix, pattern); | |
64 | } | |
65 | else { | |
66 | ret->pattern = strdup(pattern); | |
67 | if (!ret->pattern) out_of_memory("make_exclude"); | |
68 | } | |
c627d613 | 69 | |
2bca43f6 | 70 | if (strpbrk(pattern, "*[?")) { |
170381c0 | 71 | ret->match_flags |= MATCHFLG_WILD; |
0f2ac855 WD |
72 | if (strstr(pattern, "**")) { |
73 | static int tested; | |
74 | if (!tested) { | |
75 | tested = 1; | |
76 | if (fnmatch("a/b/*","a/b/c/d",FNM_PATHNAME)==0) | |
77 | rprintf(FERROR,"WARNING: fnmatch FNM_PATHNAME is broken on your system\n"); | |
78 | } | |
170381c0 WD |
79 | ret->match_flags |= MATCHFLG_WILD2; |
80 | /* If the pattern starts with **, note that. */ | |
81 | if (*pattern == '*' && pattern[1] == '*') | |
82 | ret->match_flags |= MATCHFLG_WILD2_PREFIX; | |
0f2ac855 | 83 | } |
2bca43f6 | 84 | } |
c627d613 | 85 | |
5be7fa93 WD |
86 | pat_len = strlen(ret->pattern); |
87 | if (pat_len > 1 && ret->pattern[pat_len-1] == '/') { | |
88 | ret->pattern[pat_len-1] = 0; | |
2b6b4d53 AT |
89 | ret->directory = 1; |
90 | } | |
c627d613 | 91 | |
170381c0 WD |
92 | for (cp = ret->pattern; (cp = strchr(cp, '/')) != NULL; cp++) |
93 | ret->slash_cnt++; | |
0944563e | 94 | |
2b6b4d53 AT |
95 | return ret; |
96 | } | |
97 | ||
98 | static void free_exclude(struct exclude_struct *ex) | |
99 | { | |
2b6b4d53 AT |
100 | free(ex->pattern); |
101 | memset(ex,0,sizeof(*ex)); | |
102 | free(ex); | |
103 | } | |
c627d613 | 104 | |
5be7fa93 WD |
105 | |
106 | void free_exclude_list(struct exclude_struct ***listp) | |
107 | { | |
108 | struct exclude_struct **list = *listp; | |
109 | ||
110 | if (verbose > 2) | |
111 | rprintf(FINFO,"clearing exclude list\n"); | |
112 | ||
113 | if (!list) | |
114 | return; | |
115 | ||
116 | while (*list) | |
117 | free_exclude(*list++); | |
118 | ||
119 | free(*listp); | |
120 | *listp = NULL; | |
121 | } | |
122 | ||
d567322f | 123 | static int check_one_exclude(char *name, struct exclude_struct *ex, |
5be7fa93 | 124 | int name_is_dir) |
2b6b4d53 AT |
125 | { |
126 | char *p; | |
0f2ac855 | 127 | int match_start = 0; |
2b6b4d53 AT |
128 | char *pattern = ex->pattern; |
129 | ||
170381c0 WD |
130 | /* If the pattern does not have any slashes AND it does not have |
131 | * a "**" (which could match a slash), then we just match the | |
132 | * name portion of the path. */ | |
5be7fa93 WD |
133 | if (!ex->slash_cnt && !(ex->match_flags & MATCHFLG_WILD2)) { |
134 | if ((p = strrchr(name,'/')) != NULL) | |
135 | name = p+1; | |
136 | } | |
137 | else if ((ex->match_flags & MATCHFLG_ABS_PATH) && *name != '/') { | |
138 | static char full_name[MAXPATHLEN]; | |
139 | extern char curr_dir[]; | |
140 | int plus = curr_dir[1] == '\0'? 1 : 0; | |
141 | snprintf(full_name, sizeof full_name, | |
142 | "%s/%s", curr_dir+plus, name); | |
143 | name = full_name; | |
144 | } | |
2b6b4d53 AT |
145 | |
146 | if (!name[0]) return 0; | |
147 | ||
5be7fa93 | 148 | if (ex->directory && !name_is_dir) return 0; |
2b6b4d53 | 149 | |
170381c0 | 150 | if (*pattern == '/') { |
2b6b4d53 AT |
151 | match_start = 1; |
152 | pattern++; | |
170381c0 WD |
153 | if (*name == '/') |
154 | name++; | |
2b6b4d53 AT |
155 | } |
156 | ||
170381c0 WD |
157 | if (ex->match_flags & MATCHFLG_WILD) { |
158 | int fnmatch_flags = (ex->match_flags & MATCHFLG_WILD2)? | |
159 | 0 : FNM_PATHNAME; | |
160 | /* A non-anchored match with an infix slash and no "**" | |
161 | * needs to match the last slash_cnt+1 name elements. */ | |
162 | if (!match_start && ex->slash_cnt && | |
163 | !(ex->match_flags & MATCHFLG_WILD2)) { | |
164 | int cnt = ex->slash_cnt + 1; | |
165 | for (p = name + strlen(name) - 1; p >= name; p--) { | |
166 | if (*p == '/' && !--cnt) | |
167 | break; | |
168 | } | |
169 | name = p+1; | |
170 | } | |
171 | if (fnmatch(pattern, name, fnmatch_flags) == 0) | |
2b6b4d53 | 172 | return 1; |
170381c0 WD |
173 | if (ex->match_flags & MATCHFLG_WILD2_PREFIX) { |
174 | /* If the **-prefixed pattern has a '/' as the next | |
175 | * character, then try to match the rest of the | |
176 | * pattern at the root. */ | |
177 | if (pattern[2] == '/' && | |
178 | fnmatch(pattern+3, name, fnmatch_flags) == 0) | |
179 | return 1; | |
c36cd317 | 180 | } |
170381c0 WD |
181 | else if (!match_start && ex->match_flags & MATCHFLG_WILD2) { |
182 | /* A non-anchored match with an infix or trailing "**" | |
183 | * (but not a prefixed "**") needs to try matching | |
184 | * after every slash. */ | |
185 | while ((name = strchr(name, '/')) != NULL) { | |
186 | name++; | |
187 | if (fnmatch(pattern, name, fnmatch_flags) == 0) | |
188 | return 1; | |
189 | } | |
190 | } | |
191 | } else if (match_start) { | |
192 | if (strcmp(name,pattern) == 0) | |
193 | return 1; | |
2b6b4d53 AT |
194 | } else { |
195 | int l1 = strlen(name); | |
ea2111d1 | 196 | int l2 = strlen(pattern); |
0f2ac855 | 197 | if (l2 <= l1 && |
ea2111d1 | 198 | strcmp(name+(l1-l2),pattern) == 0 && |
170381c0 | 199 | (l1==l2 || name[l1-(l2+1)] == '/')) { |
2b6b4d53 | 200 | return 1; |
c36cd317 | 201 | } |
2b6b4d53 AT |
202 | } |
203 | ||
204 | return 0; | |
c627d613 AT |
205 | } |
206 | ||
207 | ||
d567322f MP |
208 | static void report_exclude_result(char const *name, |
209 | struct exclude_struct const *ent, | |
5be7fa93 | 210 | int name_is_dir) |
d567322f | 211 | { |
0f2ac855 WD |
212 | /* If a trailing slash is present to match only directories, |
213 | * then it is stripped out by make_exclude. So as a special | |
214 | * case we add it back in here. */ | |
215 | ||
216 | if (verbose >= 2) | |
217 | rprintf(FINFO, "%s %s %s because of pattern %s%s\n", | |
218 | ent->include ? "including" : "excluding", | |
5be7fa93 | 219 | name_is_dir ? "directory" : "file", |
0f2ac855 WD |
220 | name, ent->pattern, |
221 | ent->directory ? "/" : ""); | |
d567322f MP |
222 | } |
223 | ||
224 | ||
225 | /* | |
226 | * Return true if file NAME is defined to be excluded by either | |
227 | * LOCAL_EXCLUDE_LIST or the globals EXCLUDE_LIST. | |
228 | */ | |
5be7fa93 | 229 | int check_exclude(struct exclude_struct **list, char *name, int name_is_dir) |
c627d613 | 230 | { |
0f2ac855 | 231 | struct exclude_struct *ent; |
c627d613 | 232 | |
5be7fa93 WD |
233 | while ((ent = *list++) != NULL) { |
234 | if (check_one_exclude(name, ent, name_is_dir)) { | |
235 | report_exclude_result(name, ent, name_is_dir); | |
236 | return !ent->include; | |
0f2ac855 | 237 | } |
2b6b4d53 | 238 | } |
c627d613 | 239 | |
2b6b4d53 | 240 | return 0; |
c627d613 AT |
241 | } |
242 | ||
243 | ||
5be7fa93 | 244 | void add_exclude(struct exclude_struct ***listp, const char *pattern, int include) |
c627d613 | 245 | { |
5be7fa93 WD |
246 | struct exclude_struct **list = *listp; |
247 | int len = 0; | |
248 | ||
249 | if (*pattern == '!' && !pattern[1]) { | |
250 | free_exclude_list(listp); | |
251 | return; | |
2b6b4d53 AT |
252 | } |
253 | ||
5be7fa93 WD |
254 | if (list) |
255 | for (; list[len]; len++) {} | |
0f2ac855 | 256 | |
5be7fa93 WD |
257 | list = *listp = (struct exclude_struct **)Realloc(list,sizeof(struct exclude_struct *)*(len+2)); |
258 | ||
259 | if (!list || !(list[len] = make_exclude(pattern, include))) | |
2b6b4d53 | 260 | out_of_memory("add_exclude"); |
0f2ac855 | 261 | |
8c35542d MP |
262 | if (verbose > 2) { |
263 | rprintf(FINFO,"add_exclude(%s,%s)\n",pattern, | |
0f2ac855 | 264 | include ? "include" : "exclude"); |
8c35542d MP |
265 | } |
266 | ||
5be7fa93 | 267 | list[len+1] = NULL; |
c627d613 AT |
268 | } |
269 | ||
c627d613 | 270 | |
5be7fa93 WD |
271 | void add_exclude_file(struct exclude_struct ***listp, const char *fname, |
272 | int fatal, int include) | |
c627d613 | 273 | { |
ccdff3eb | 274 | int fd; |
2b6b4d53 | 275 | char line[MAXPATHLEN]; |
ccdff3eb WD |
276 | char *eob = line + MAXPATHLEN - 1; |
277 | extern int eol_nulls; | |
278 | ||
5be7fa93 WD |
279 | if (!fname || !*fname) |
280 | return; | |
281 | ||
282 | if (*fname != '-' || fname[1]) | |
ccdff3eb WD |
283 | fd = open(fname, O_RDONLY|O_BINARY); |
284 | else | |
285 | fd = 0; | |
286 | if (fd < 0) { | |
2b6b4d53 | 287 | if (fatal) { |
a039749b | 288 | rsyserr(FERROR, errno, |
0f2ac855 WD |
289 | "failed to open %s file %s", |
290 | include ? "include" : "exclude", | |
291 | fname); | |
65417579 | 292 | exit_cleanup(RERR_FILEIO); |
2b6b4d53 | 293 | } |
5be7fa93 | 294 | return; |
2b6b4d53 AT |
295 | } |
296 | ||
ccdff3eb WD |
297 | while (1) { |
298 | char ch, *s = line; | |
299 | int cnt; | |
300 | while (1) { | |
301 | if ((cnt = read(fd, &ch, 1)) <= 0) { | |
302 | if (cnt < 0 && errno == EINTR) | |
303 | continue; | |
304 | break; | |
305 | } | |
306 | if (eol_nulls? !ch : (ch == '\n' || ch == '\r')) | |
307 | break; | |
308 | if (s < eob) | |
309 | *s++ = ch; | |
310 | } | |
311 | *s = '\0'; | |
312 | if (*line && *line != ';' && *line != '#') { | |
122f19a6 | 313 | /* Skip lines starting with semicolon or pound. |
ccdff3eb WD |
314 | * It probably wouldn't cause any harm to not skip |
315 | * them but there's no need to save them. */ | |
5be7fa93 | 316 | add_exclude(listp, line, include); |
122f19a6 | 317 | } |
ccdff3eb WD |
318 | if (cnt <= 0) |
319 | break; | |
2b6b4d53 | 320 | } |
ccdff3eb | 321 | close(fd); |
c627d613 AT |
322 | } |
323 | ||
324 | ||
325 | void send_exclude_list(int f) | |
326 | { | |
2b6b4d53 AT |
327 | int i; |
328 | extern int remote_version; | |
25cf8893 AT |
329 | extern int list_only, recurse; |
330 | ||
bb7c4fa3 MP |
331 | /* This is a complete hack - blame Rusty. |
332 | * | |
333 | * FIXME: This pattern shows up in the output of | |
334 | * report_exclude_result(), which is not ideal. */ | |
5be7fa93 WD |
335 | if (list_only && !recurse) |
336 | add_exclude(&exclude_list, "/*/*", ADD_EXCLUDE); | |
2b6b4d53 AT |
337 | |
338 | if (!exclude_list) { | |
339 | write_int(f,0); | |
340 | return; | |
341 | } | |
342 | ||
343 | for (i=0;exclude_list[i];i++) { | |
2b6b4d53 | 344 | int l; |
2fb139c1 AT |
345 | char pattern[MAXPATHLEN]; |
346 | ||
0f2ac855 | 347 | strlcpy(pattern,exclude_list[i]->pattern,sizeof(pattern)); |
2fb139c1 | 348 | if (exclude_list[i]->directory) strlcat(pattern,"/", sizeof(pattern)); |
2b6b4d53 | 349 | |
587cb08d DD |
350 | l = strlen(pattern); |
351 | if (l == 0) continue; | |
352 | if (exclude_list[i]->include) { | |
353 | if (remote_version < 19) { | |
2b6b4d53 | 354 | rprintf(FERROR,"remote rsync does not support include syntax - aborting\n"); |
ec9df380 | 355 | exit_cleanup(RERR_UNSUPPORTED); |
2b6b4d53 | 356 | } |
587cb08d DD |
357 | write_int(f,l+2); |
358 | write_buf(f,"+ ",2); | |
359 | } else { | |
360 | write_int(f,l); | |
2b6b4d53 | 361 | } |
2b6b4d53 | 362 | write_buf(f,pattern,l); |
0f2ac855 | 363 | } |
2b6b4d53 AT |
364 | |
365 | write_int(f,0); | |
c627d613 AT |
366 | } |
367 | ||
368 | ||
369 | void recv_exclude_list(int f) | |
370 | { | |
2b6b4d53 | 371 | char line[MAXPATHLEN]; |
9dd891bb MP |
372 | unsigned int l; |
373 | ||
2b6b4d53 AT |
374 | while ((l=read_int(f))) { |
375 | if (l >= MAXPATHLEN) overflow("recv_exclude_list"); | |
376 | read_sbuf(f,line,l); | |
5be7fa93 | 377 | add_exclude(&exclude_list, line, ADD_EXCLUDE); |
2b6b4d53 | 378 | } |
c627d613 AT |
379 | } |
380 | ||
651443a7 DD |
381 | /* Get the next include/exclude arg from the string. It works in a similar way |
382 | ** to strtok - initially an arg is sent over, from then on NULL. This | |
383 | ** routine takes into account any +/- in the strings and does not | |
384 | ** consider the space following it as a delimeter. | |
385 | */ | |
386 | char *get_exclude_tok(char *p) | |
387 | { | |
388 | static char *s; | |
389 | static int more; | |
390 | char *t; | |
391 | ||
392 | if (p) { | |
393 | s=p; | |
394 | if (*p) | |
395 | more=1; | |
396 | } | |
397 | ||
398 | if (!more) | |
399 | return(NULL); | |
c627d613 | 400 | |
651443a7 | 401 | /* Skip over any initial spaces */ |
32f76175 | 402 | while (isspace(* (unsigned char *) s)) |
651443a7 DD |
403 | s++; |
404 | ||
405 | /* Are we at the end of the string? */ | |
406 | if (*s) { | |
407 | /* remember the beginning of the token */ | |
408 | t=s; | |
409 | ||
410 | /* Is this a '+' or '-' followed by a space (not whitespace)? */ | |
411 | if ((*s=='+' || *s=='-') && *(s+1)==' ') | |
412 | s+=2; | |
0f2ac855 | 413 | |
651443a7 | 414 | /* Skip to the next space or the end of the string */ |
32f76175 | 415 | while (!isspace(* (unsigned char *) s) && *s != '\0') |
651443a7 DD |
416 | s++; |
417 | } else { | |
418 | t=NULL; | |
419 | } | |
420 | ||
421 | /* Have we reached the end of the string? */ | |
422 | if (*s) | |
423 | *s++='\0'; | |
424 | else | |
425 | more=0; | |
426 | return(t); | |
427 | } | |
428 | ||
0f2ac855 | 429 | |
5be7fa93 WD |
430 | void add_exclude_line(struct exclude_struct ***listp, |
431 | const char *line, int include) | |
8f3a2d54 | 432 | { |
5be7fa93 WD |
433 | char *tok, *p; |
434 | if (!line || !*line) return; | |
435 | p = strdup(line); | |
8f3a2d54 | 436 | if (!p) out_of_memory("add_exclude_line"); |
0f2ac855 | 437 | for (tok=get_exclude_tok(p); tok; tok=get_exclude_tok(NULL)) |
5be7fa93 | 438 | add_exclude(listp, tok, include); |
cd64343a DD |
439 | free(p); |
440 | } | |
441 | ||
8f3a2d54 | 442 | |
c627d613 | 443 | static char *cvs_ignore_list[] = { |
95dd949c WD |
444 | "RCS/", "SCCS/", "CVS/", ".svn/", "CVS.adm", "RCSLOG", "cvslog.*", |
445 | "tags", "TAGS", ".make.state", ".nse_depinfo", | |
446 | "*~", "#*", ".#*", ", *", "*.old", "*.bak", "*.BAK", "*.orig", | |
c627d613 | 447 | "*.rej", ".del-*", "*.a", "*.o", "*.obj", "*.so", "*.Z", "*.elc", "*.ln", |
95dd949c | 448 | "core", NULL}; |
c627d613 AT |
449 | |
450 | ||
451 | void add_cvs_excludes(void) | |
452 | { | |
2b6b4d53 AT |
453 | char fname[MAXPATHLEN]; |
454 | char *p; | |
455 | int i; | |
0f2ac855 | 456 | |
2b6b4d53 | 457 | for (i=0; cvs_ignore_list[i]; i++) |
5be7fa93 | 458 | add_exclude(&exclude_list, cvs_ignore_list[i], ADD_EXCLUDE); |
c627d613 | 459 | |
2b6b4d53 | 460 | if ((p=getenv("HOME")) && strlen(p) < (MAXPATHLEN-12)) { |
8950ac03 | 461 | snprintf(fname,sizeof(fname), "%s/.cvsignore",p); |
5be7fa93 | 462 | add_exclude_file(&exclude_list,fname,MISSING_OK,ADD_EXCLUDE); |
2b6b4d53 | 463 | } |
c627d613 | 464 | |
5be7fa93 | 465 | add_exclude_line(&exclude_list, getenv("CVSIGNORE"), ADD_EXCLUDE); |
c627d613 | 466 | } |