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 | 72 | if (strstr(pattern, "**")) { |
170381c0 WD |
73 | ret->match_flags |= MATCHFLG_WILD2; |
74 | /* If the pattern starts with **, note that. */ | |
75 | if (*pattern == '*' && pattern[1] == '*') | |
76 | ret->match_flags |= MATCHFLG_WILD2_PREFIX; | |
0f2ac855 | 77 | } |
2bca43f6 | 78 | } |
c627d613 | 79 | |
5be7fa93 WD |
80 | pat_len = strlen(ret->pattern); |
81 | if (pat_len > 1 && ret->pattern[pat_len-1] == '/') { | |
82 | ret->pattern[pat_len-1] = 0; | |
2b6b4d53 AT |
83 | ret->directory = 1; |
84 | } | |
c627d613 | 85 | |
170381c0 WD |
86 | for (cp = ret->pattern; (cp = strchr(cp, '/')) != NULL; cp++) |
87 | ret->slash_cnt++; | |
0944563e | 88 | |
2b6b4d53 AT |
89 | return ret; |
90 | } | |
91 | ||
92 | static void free_exclude(struct exclude_struct *ex) | |
93 | { | |
2b6b4d53 AT |
94 | free(ex->pattern); |
95 | memset(ex,0,sizeof(*ex)); | |
96 | free(ex); | |
97 | } | |
c627d613 | 98 | |
5be7fa93 WD |
99 | |
100 | void free_exclude_list(struct exclude_struct ***listp) | |
101 | { | |
102 | struct exclude_struct **list = *listp; | |
103 | ||
104 | if (verbose > 2) | |
105 | rprintf(FINFO,"clearing exclude list\n"); | |
106 | ||
107 | if (!list) | |
108 | return; | |
109 | ||
110 | while (*list) | |
111 | free_exclude(*list++); | |
112 | ||
113 | free(*listp); | |
114 | *listp = NULL; | |
115 | } | |
116 | ||
d567322f | 117 | static int check_one_exclude(char *name, struct exclude_struct *ex, |
5be7fa93 | 118 | int name_is_dir) |
2b6b4d53 AT |
119 | { |
120 | char *p; | |
0f2ac855 | 121 | int match_start = 0; |
2b6b4d53 AT |
122 | char *pattern = ex->pattern; |
123 | ||
170381c0 WD |
124 | /* If the pattern does not have any slashes AND it does not have |
125 | * a "**" (which could match a slash), then we just match the | |
126 | * name portion of the path. */ | |
5be7fa93 WD |
127 | if (!ex->slash_cnt && !(ex->match_flags & MATCHFLG_WILD2)) { |
128 | if ((p = strrchr(name,'/')) != NULL) | |
129 | name = p+1; | |
130 | } | |
131 | else if ((ex->match_flags & MATCHFLG_ABS_PATH) && *name != '/') { | |
132 | static char full_name[MAXPATHLEN]; | |
133 | extern char curr_dir[]; | |
134 | int plus = curr_dir[1] == '\0'? 1 : 0; | |
135 | snprintf(full_name, sizeof full_name, | |
136 | "%s/%s", curr_dir+plus, name); | |
137 | name = full_name; | |
138 | } | |
2b6b4d53 AT |
139 | |
140 | if (!name[0]) return 0; | |
141 | ||
5be7fa93 | 142 | if (ex->directory && !name_is_dir) return 0; |
2b6b4d53 | 143 | |
170381c0 | 144 | if (*pattern == '/') { |
2b6b4d53 AT |
145 | match_start = 1; |
146 | pattern++; | |
170381c0 WD |
147 | if (*name == '/') |
148 | name++; | |
2b6b4d53 AT |
149 | } |
150 | ||
170381c0 | 151 | if (ex->match_flags & MATCHFLG_WILD) { |
170381c0 WD |
152 | /* A non-anchored match with an infix slash and no "**" |
153 | * needs to match the last slash_cnt+1 name elements. */ | |
154 | if (!match_start && ex->slash_cnt && | |
155 | !(ex->match_flags & MATCHFLG_WILD2)) { | |
156 | int cnt = ex->slash_cnt + 1; | |
157 | for (p = name + strlen(name) - 1; p >= name; p--) { | |
158 | if (*p == '/' && !--cnt) | |
159 | break; | |
160 | } | |
161 | name = p+1; | |
162 | } | |
fe332038 | 163 | if (wildmatch(pattern, name)) |
2b6b4d53 | 164 | return 1; |
170381c0 WD |
165 | if (ex->match_flags & MATCHFLG_WILD2_PREFIX) { |
166 | /* If the **-prefixed pattern has a '/' as the next | |
167 | * character, then try to match the rest of the | |
168 | * pattern at the root. */ | |
fe332038 | 169 | if (pattern[2] == '/' && wildmatch(pattern+3, name)) |
170381c0 | 170 | return 1; |
c36cd317 | 171 | } |
170381c0 WD |
172 | else if (!match_start && ex->match_flags & MATCHFLG_WILD2) { |
173 | /* A non-anchored match with an infix or trailing "**" | |
174 | * (but not a prefixed "**") needs to try matching | |
175 | * after every slash. */ | |
176 | while ((name = strchr(name, '/')) != NULL) { | |
177 | name++; | |
fe332038 | 178 | if (wildmatch(pattern, name)) |
170381c0 WD |
179 | return 1; |
180 | } | |
181 | } | |
182 | } else if (match_start) { | |
183 | if (strcmp(name,pattern) == 0) | |
184 | return 1; | |
2b6b4d53 AT |
185 | } else { |
186 | int l1 = strlen(name); | |
ea2111d1 | 187 | int l2 = strlen(pattern); |
0f2ac855 | 188 | if (l2 <= l1 && |
ea2111d1 | 189 | strcmp(name+(l1-l2),pattern) == 0 && |
170381c0 | 190 | (l1==l2 || name[l1-(l2+1)] == '/')) { |
2b6b4d53 | 191 | return 1; |
c36cd317 | 192 | } |
2b6b4d53 AT |
193 | } |
194 | ||
195 | return 0; | |
c627d613 AT |
196 | } |
197 | ||
198 | ||
d567322f MP |
199 | static void report_exclude_result(char const *name, |
200 | struct exclude_struct const *ent, | |
5be7fa93 | 201 | int name_is_dir) |
d567322f | 202 | { |
0f2ac855 WD |
203 | /* If a trailing slash is present to match only directories, |
204 | * then it is stripped out by make_exclude. So as a special | |
205 | * case we add it back in here. */ | |
206 | ||
207 | if (verbose >= 2) | |
208 | rprintf(FINFO, "%s %s %s because of pattern %s%s\n", | |
209 | ent->include ? "including" : "excluding", | |
5be7fa93 | 210 | name_is_dir ? "directory" : "file", |
0f2ac855 WD |
211 | name, ent->pattern, |
212 | ent->directory ? "/" : ""); | |
d567322f MP |
213 | } |
214 | ||
215 | ||
216 | /* | |
217 | * Return true if file NAME is defined to be excluded by either | |
218 | * LOCAL_EXCLUDE_LIST or the globals EXCLUDE_LIST. | |
219 | */ | |
5be7fa93 | 220 | int check_exclude(struct exclude_struct **list, char *name, int name_is_dir) |
c627d613 | 221 | { |
0f2ac855 | 222 | struct exclude_struct *ent; |
c627d613 | 223 | |
5be7fa93 WD |
224 | while ((ent = *list++) != NULL) { |
225 | if (check_one_exclude(name, ent, name_is_dir)) { | |
226 | report_exclude_result(name, ent, name_is_dir); | |
227 | return !ent->include; | |
0f2ac855 | 228 | } |
2b6b4d53 | 229 | } |
c627d613 | 230 | |
2b6b4d53 | 231 | return 0; |
c627d613 AT |
232 | } |
233 | ||
234 | ||
5be7fa93 | 235 | void add_exclude(struct exclude_struct ***listp, const char *pattern, int include) |
c627d613 | 236 | { |
5be7fa93 WD |
237 | struct exclude_struct **list = *listp; |
238 | int len = 0; | |
239 | ||
240 | if (*pattern == '!' && !pattern[1]) { | |
241 | free_exclude_list(listp); | |
242 | return; | |
2b6b4d53 AT |
243 | } |
244 | ||
5be7fa93 WD |
245 | if (list) |
246 | for (; list[len]; len++) {} | |
0f2ac855 | 247 | |
5be7fa93 WD |
248 | list = *listp = (struct exclude_struct **)Realloc(list,sizeof(struct exclude_struct *)*(len+2)); |
249 | ||
250 | if (!list || !(list[len] = make_exclude(pattern, include))) | |
2b6b4d53 | 251 | out_of_memory("add_exclude"); |
0f2ac855 | 252 | |
8c35542d MP |
253 | if (verbose > 2) { |
254 | rprintf(FINFO,"add_exclude(%s,%s)\n",pattern, | |
0f2ac855 | 255 | include ? "include" : "exclude"); |
8c35542d MP |
256 | } |
257 | ||
5be7fa93 | 258 | list[len+1] = NULL; |
c627d613 AT |
259 | } |
260 | ||
c627d613 | 261 | |
5be7fa93 WD |
262 | void add_exclude_file(struct exclude_struct ***listp, const char *fname, |
263 | int fatal, int include) | |
c627d613 | 264 | { |
ccdff3eb | 265 | int fd; |
2b6b4d53 | 266 | char line[MAXPATHLEN]; |
ccdff3eb WD |
267 | char *eob = line + MAXPATHLEN - 1; |
268 | extern int eol_nulls; | |
269 | ||
5be7fa93 WD |
270 | if (!fname || !*fname) |
271 | return; | |
272 | ||
273 | if (*fname != '-' || fname[1]) | |
ccdff3eb WD |
274 | fd = open(fname, O_RDONLY|O_BINARY); |
275 | else | |
276 | fd = 0; | |
277 | if (fd < 0) { | |
2b6b4d53 | 278 | if (fatal) { |
a039749b | 279 | rsyserr(FERROR, errno, |
0f2ac855 WD |
280 | "failed to open %s file %s", |
281 | include ? "include" : "exclude", | |
282 | fname); | |
65417579 | 283 | exit_cleanup(RERR_FILEIO); |
2b6b4d53 | 284 | } |
5be7fa93 | 285 | return; |
2b6b4d53 AT |
286 | } |
287 | ||
ccdff3eb WD |
288 | while (1) { |
289 | char ch, *s = line; | |
290 | int cnt; | |
291 | while (1) { | |
292 | if ((cnt = read(fd, &ch, 1)) <= 0) { | |
293 | if (cnt < 0 && errno == EINTR) | |
294 | continue; | |
295 | break; | |
296 | } | |
297 | if (eol_nulls? !ch : (ch == '\n' || ch == '\r')) | |
298 | break; | |
299 | if (s < eob) | |
300 | *s++ = ch; | |
301 | } | |
302 | *s = '\0'; | |
303 | if (*line && *line != ';' && *line != '#') { | |
122f19a6 | 304 | /* Skip lines starting with semicolon or pound. |
ccdff3eb WD |
305 | * It probably wouldn't cause any harm to not skip |
306 | * them but there's no need to save them. */ | |
5be7fa93 | 307 | add_exclude(listp, line, include); |
122f19a6 | 308 | } |
ccdff3eb WD |
309 | if (cnt <= 0) |
310 | break; | |
2b6b4d53 | 311 | } |
ccdff3eb | 312 | close(fd); |
c627d613 AT |
313 | } |
314 | ||
315 | ||
316 | void send_exclude_list(int f) | |
317 | { | |
2b6b4d53 AT |
318 | int i; |
319 | extern int remote_version; | |
25cf8893 AT |
320 | extern int list_only, recurse; |
321 | ||
bb7c4fa3 MP |
322 | /* This is a complete hack - blame Rusty. |
323 | * | |
324 | * FIXME: This pattern shows up in the output of | |
325 | * report_exclude_result(), which is not ideal. */ | |
5be7fa93 WD |
326 | if (list_only && !recurse) |
327 | add_exclude(&exclude_list, "/*/*", ADD_EXCLUDE); | |
2b6b4d53 AT |
328 | |
329 | if (!exclude_list) { | |
330 | write_int(f,0); | |
331 | return; | |
332 | } | |
333 | ||
334 | for (i=0;exclude_list[i];i++) { | |
2b6b4d53 | 335 | int l; |
2fb139c1 AT |
336 | char pattern[MAXPATHLEN]; |
337 | ||
0f2ac855 | 338 | strlcpy(pattern,exclude_list[i]->pattern,sizeof(pattern)); |
2fb139c1 | 339 | if (exclude_list[i]->directory) strlcat(pattern,"/", sizeof(pattern)); |
2b6b4d53 | 340 | |
587cb08d DD |
341 | l = strlen(pattern); |
342 | if (l == 0) continue; | |
343 | if (exclude_list[i]->include) { | |
344 | if (remote_version < 19) { | |
2b6b4d53 | 345 | rprintf(FERROR,"remote rsync does not support include syntax - aborting\n"); |
ec9df380 | 346 | exit_cleanup(RERR_UNSUPPORTED); |
2b6b4d53 | 347 | } |
587cb08d DD |
348 | write_int(f,l+2); |
349 | write_buf(f,"+ ",2); | |
350 | } else { | |
351 | write_int(f,l); | |
2b6b4d53 | 352 | } |
2b6b4d53 | 353 | write_buf(f,pattern,l); |
0f2ac855 | 354 | } |
2b6b4d53 AT |
355 | |
356 | write_int(f,0); | |
c627d613 AT |
357 | } |
358 | ||
359 | ||
360 | void recv_exclude_list(int f) | |
361 | { | |
2b6b4d53 | 362 | char line[MAXPATHLEN]; |
9dd891bb MP |
363 | unsigned int l; |
364 | ||
2b6b4d53 AT |
365 | while ((l=read_int(f))) { |
366 | if (l >= MAXPATHLEN) overflow("recv_exclude_list"); | |
367 | read_sbuf(f,line,l); | |
5be7fa93 | 368 | add_exclude(&exclude_list, line, ADD_EXCLUDE); |
2b6b4d53 | 369 | } |
c627d613 AT |
370 | } |
371 | ||
651443a7 DD |
372 | /* Get the next include/exclude arg from the string. It works in a similar way |
373 | ** to strtok - initially an arg is sent over, from then on NULL. This | |
374 | ** routine takes into account any +/- in the strings and does not | |
375 | ** consider the space following it as a delimeter. | |
376 | */ | |
377 | char *get_exclude_tok(char *p) | |
378 | { | |
379 | static char *s; | |
380 | static int more; | |
381 | char *t; | |
382 | ||
383 | if (p) { | |
384 | s=p; | |
385 | if (*p) | |
386 | more=1; | |
387 | } | |
388 | ||
389 | if (!more) | |
390 | return(NULL); | |
c627d613 | 391 | |
651443a7 | 392 | /* Skip over any initial spaces */ |
32f76175 | 393 | while (isspace(* (unsigned char *) s)) |
651443a7 DD |
394 | s++; |
395 | ||
396 | /* Are we at the end of the string? */ | |
397 | if (*s) { | |
398 | /* remember the beginning of the token */ | |
399 | t=s; | |
400 | ||
401 | /* Is this a '+' or '-' followed by a space (not whitespace)? */ | |
402 | if ((*s=='+' || *s=='-') && *(s+1)==' ') | |
403 | s+=2; | |
0f2ac855 | 404 | |
651443a7 | 405 | /* Skip to the next space or the end of the string */ |
32f76175 | 406 | while (!isspace(* (unsigned char *) s) && *s != '\0') |
651443a7 DD |
407 | s++; |
408 | } else { | |
409 | t=NULL; | |
410 | } | |
411 | ||
412 | /* Have we reached the end of the string? */ | |
413 | if (*s) | |
414 | *s++='\0'; | |
415 | else | |
416 | more=0; | |
417 | return(t); | |
418 | } | |
419 | ||
0f2ac855 | 420 | |
5be7fa93 WD |
421 | void add_exclude_line(struct exclude_struct ***listp, |
422 | const char *line, int include) | |
8f3a2d54 | 423 | { |
5be7fa93 WD |
424 | char *tok, *p; |
425 | if (!line || !*line) return; | |
426 | p = strdup(line); | |
8f3a2d54 | 427 | if (!p) out_of_memory("add_exclude_line"); |
0f2ac855 | 428 | for (tok=get_exclude_tok(p); tok; tok=get_exclude_tok(NULL)) |
5be7fa93 | 429 | add_exclude(listp, tok, include); |
cd64343a DD |
430 | free(p); |
431 | } | |
432 | ||
8f3a2d54 | 433 | |
c627d613 | 434 | static char *cvs_ignore_list[] = { |
95dd949c WD |
435 | "RCS/", "SCCS/", "CVS/", ".svn/", "CVS.adm", "RCSLOG", "cvslog.*", |
436 | "tags", "TAGS", ".make.state", ".nse_depinfo", | |
437 | "*~", "#*", ".#*", ", *", "*.old", "*.bak", "*.BAK", "*.orig", | |
c627d613 | 438 | "*.rej", ".del-*", "*.a", "*.o", "*.obj", "*.so", "*.Z", "*.elc", "*.ln", |
95dd949c | 439 | "core", NULL}; |
c627d613 AT |
440 | |
441 | ||
442 | void add_cvs_excludes(void) | |
443 | { | |
2b6b4d53 AT |
444 | char fname[MAXPATHLEN]; |
445 | char *p; | |
446 | int i; | |
0f2ac855 | 447 | |
2b6b4d53 | 448 | for (i=0; cvs_ignore_list[i]; i++) |
5be7fa93 | 449 | add_exclude(&exclude_list, cvs_ignore_list[i], ADD_EXCLUDE); |
c627d613 | 450 | |
2b6b4d53 | 451 | if ((p=getenv("HOME")) && strlen(p) < (MAXPATHLEN-12)) { |
8950ac03 | 452 | snprintf(fname,sizeof(fname), "%s/.cvsignore",p); |
5be7fa93 | 453 | add_exclude_file(&exclude_list,fname,MISSING_OK,ADD_EXCLUDE); |
2b6b4d53 | 454 | } |
c627d613 | 455 | |
5be7fa93 | 456 | add_exclude_line(&exclude_list, getenv("CVSIGNORE"), ADD_EXCLUDE); |
c627d613 | 457 | } |