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f0f5767f | 1 | /* -*- c-file-style: "linux" -*- |
07a874fd MP |
2 | * |
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 | |
6 | * | |
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. | |
11 | * | |
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. | |
16 | * | |
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; | |
8458724d | 30 | extern int delete_mode; |
c627d613 | 31 | |
2b6b4d53 | 32 | static struct exclude_struct **exclude_list; |
c627d613 | 33 | |
07a874fd | 34 | /** Build an exclude structure given a exclude pattern */ |
f0f5767f | 35 | static struct exclude_struct *make_exclude(const char *pattern, int include) |
c627d613 | 36 | { |
2b6b4d53 | 37 | struct exclude_struct *ret; |
c627d613 | 38 | |
2b6b4d53 AT |
39 | ret = (struct exclude_struct *)malloc(sizeof(*ret)); |
40 | if (!ret) out_of_memory("make_exclude"); | |
c627d613 | 41 | |
2b6b4d53 AT |
42 | memset(ret, 0, sizeof(*ret)); |
43 | ||
2b6b4d53 AT |
44 | if (strncmp(pattern,"- ",2) == 0) { |
45 | pattern += 2; | |
46 | } else if (strncmp(pattern,"+ ",2) == 0) { | |
47 | ret->include = 1; | |
48 | pattern += 2; | |
49 | } else { | |
50 | ret->include = include; | |
51 | } | |
52 | ||
53 | ret->pattern = strdup(pattern); | |
54 | ||
587cb08d | 55 | if (!ret->pattern) out_of_memory("make_exclude"); |
c627d613 | 56 | |
2bca43f6 | 57 | if (strpbrk(pattern, "*[?")) { |
2bca43f6 | 58 | ret->regular_exp = 1; |
9bec5286 AT |
59 | ret->fnmatch_flags = FNM_PATHNAME; |
60 | if (strstr(pattern, "**")) { | |
61 | static int tested; | |
62 | if (!tested) { | |
63 | tested = 1; | |
64 | if (fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME)==0) { | |
65 | rprintf(FERROR,"WARNING: fnmatch FNM_PATHNAME is broken on your system\n"); | |
66 | } | |
67 | } | |
68 | ret->fnmatch_flags = 0; | |
69 | } | |
2bca43f6 | 70 | } |
c627d613 | 71 | |
2b6b4d53 AT |
72 | if (strlen(pattern) > 1 && pattern[strlen(pattern)-1] == '/') { |
73 | ret->pattern[strlen(pattern)-1] = 0; | |
74 | ret->directory = 1; | |
75 | } | |
c627d613 | 76 | |
2b6b4d53 AT |
77 | if (!strchr(ret->pattern,'/')) { |
78 | ret->local = 1; | |
79 | } | |
0944563e | 80 | |
2b6b4d53 AT |
81 | return ret; |
82 | } | |
83 | ||
84 | static void free_exclude(struct exclude_struct *ex) | |
85 | { | |
2b6b4d53 AT |
86 | free(ex->pattern); |
87 | memset(ex,0,sizeof(*ex)); | |
88 | free(ex); | |
89 | } | |
c627d613 | 90 | |
d567322f MP |
91 | static int check_one_exclude(char *name, struct exclude_struct *ex, |
92 | STRUCT_STAT *st) | |
2b6b4d53 AT |
93 | { |
94 | char *p; | |
95 | int match_start=0; | |
96 | char *pattern = ex->pattern; | |
97 | ||
98 | if (ex->local && (p=strrchr(name,'/'))) | |
99 | name = p+1; | |
100 | ||
101 | if (!name[0]) return 0; | |
102 | ||
103 | if (ex->directory && !S_ISDIR(st->st_mode)) return 0; | |
104 | ||
105 | if (*pattern == '/' && *name != '/') { | |
106 | match_start = 1; | |
107 | pattern++; | |
108 | } | |
109 | ||
110 | if (ex->regular_exp) { | |
c36cd317 | 111 | if (fnmatch(pattern, name, ex->fnmatch_flags) == 0) { |
2b6b4d53 | 112 | return 1; |
c36cd317 | 113 | } |
2b6b4d53 AT |
114 | } else { |
115 | int l1 = strlen(name); | |
ea2111d1 | 116 | int l2 = strlen(pattern); |
2b6b4d53 | 117 | if (l2 <= l1 && |
ea2111d1 | 118 | strcmp(name+(l1-l2),pattern) == 0 && |
c36cd317 | 119 | (l1==l2 || (!match_start && name[l1-(l2+1)] == '/'))) { |
2b6b4d53 | 120 | return 1; |
c36cd317 | 121 | } |
2b6b4d53 AT |
122 | } |
123 | ||
124 | return 0; | |
c627d613 AT |
125 | } |
126 | ||
127 | ||
d567322f MP |
128 | static void report_exclude_result(char const *name, |
129 | struct exclude_struct const *ent, | |
130 | STRUCT_STAT const *st) | |
131 | { | |
132 | /* If a trailing slash is present to match only directories, | |
133 | * then it is stripped out by make_exclude. So as a special | |
134 | * case we add it back in here. */ | |
135 | ||
136 | if (verbose >= 2) | |
137 | rprintf(FINFO, "%s %s %s because of pattern %s%s\n", | |
138 | ent->include ? "including" : "excluding", | |
139 | S_ISDIR(st->st_mode) ? "directory" : "file", | |
140 | name, ent->pattern, | |
141 | ent->directory ? "/" : ""); | |
142 | } | |
143 | ||
144 | ||
145 | /* | |
146 | * Return true if file NAME is defined to be excluded by either | |
147 | * LOCAL_EXCLUDE_LIST or the globals EXCLUDE_LIST. | |
148 | */ | |
149 | int check_exclude(char *name, struct exclude_struct **local_exclude_list, | |
2b6b4d53 | 150 | STRUCT_STAT *st) |
c627d613 | 151 | { |
2b6b4d53 | 152 | int n; |
1f52f4c4 | 153 | struct exclude_struct *ent; |
c627d613 | 154 | |
5d5811f7 DD |
155 | if (name && (name[0] == '.') && !name[1]) |
156 | /* never exclude '.', even if somebody does --exclude '*' */ | |
157 | return 0; | |
158 | ||
2b6b4d53 | 159 | if (exclude_list) { |
d567322f MP |
160 | for (n=0; exclude_list[n]; n++) { |
161 | ent = exclude_list[n]; | |
162 | if (check_one_exclude(name, ent, st)) { | |
163 | report_exclude_result(name, ent, st); | |
164 | return !ent->include; | |
165 | } | |
166 | } | |
2b6b4d53 | 167 | } |
c627d613 | 168 | |
2b6b4d53 | 169 | if (local_exclude_list) { |
d567322f | 170 | for (n=0; local_exclude_list[n]; n++) { |
531d06b8 | 171 | ent = local_exclude_list[n]; |
d567322f MP |
172 | if (check_one_exclude(name, ent, st)) { |
173 | report_exclude_result(name, ent, st); | |
174 | return !ent->include; | |
175 | } | |
176 | } | |
2b6b4d53 | 177 | } |
c627d613 | 178 | |
2b6b4d53 | 179 | return 0; |
c627d613 AT |
180 | } |
181 | ||
182 | ||
f0f5767f | 183 | void add_exclude_list(const char *pattern, struct exclude_struct ***list, int include) |
c627d613 | 184 | { |
2b6b4d53 AT |
185 | int len=0; |
186 | if (list && *list) | |
187 | for (; (*list)[len]; len++) ; | |
188 | ||
189 | if (strcmp(pattern,"!") == 0) { | |
190 | if (verbose > 2) | |
191 | rprintf(FINFO,"clearing exclude list\n"); | |
192 | while ((len)--) { | |
193 | free_exclude((*list)[len]); | |
194 | } | |
195 | free((*list)); | |
196 | *list = NULL; | |
197 | return; | |
198 | } | |
199 | ||
fe8c0a98 | 200 | *list = (struct exclude_struct **)Realloc(*list,sizeof(struct exclude_struct *)*(len+2)); |
2b6b4d53 AT |
201 | |
202 | if (!*list || !((*list)[len] = make_exclude(pattern, include))) | |
203 | out_of_memory("add_exclude"); | |
204 | ||
8c35542d MP |
205 | if (verbose > 2) { |
206 | rprintf(FINFO,"add_exclude(%s,%s)\n",pattern, | |
207 | include ? "include" : "exclude"); | |
208 | } | |
209 | ||
2b6b4d53 | 210 | (*list)[len+1] = NULL; |
c627d613 AT |
211 | } |
212 | ||
f0f5767f | 213 | void add_exclude(const char *pattern, int include) |
c627d613 | 214 | { |
2b6b4d53 | 215 | add_exclude_list(pattern,&exclude_list, include); |
c627d613 AT |
216 | } |
217 | ||
f0f5767f | 218 | struct exclude_struct **make_exclude_list(const char *fname, |
2b6b4d53 AT |
219 | struct exclude_struct **list1, |
220 | int fatal, int include) | |
c627d613 | 221 | { |
2b6b4d53 | 222 | struct exclude_struct **list=list1; |
f8a94f0d | 223 | FILE *f; |
2b6b4d53 | 224 | char line[MAXPATHLEN]; |
f8a94f0d DD |
225 | |
226 | if (strcmp(fname, "-")) { | |
227 | f = fopen(fname,"r"); | |
228 | } else { | |
229 | f = fdopen(0, "r"); | |
230 | } | |
2b6b4d53 AT |
231 | if (!f) { |
232 | if (fatal) { | |
a039749b MP |
233 | rsyserr(FERROR, errno, |
234 | "failed to open %s file %s", | |
235 | include ? "include" : "exclude", | |
236 | fname); | |
65417579 | 237 | exit_cleanup(RERR_FILEIO); |
2b6b4d53 AT |
238 | } |
239 | return list; | |
240 | } | |
241 | ||
242 | while (fgets(line,MAXPATHLEN,f)) { | |
243 | int l = strlen(line); | |
244 | if (l && line[l-1] == '\n') l--; | |
245 | line[l] = 0; | |
122f19a6 DD |
246 | if (line[0] && (line[0] != ';') && (line[0] != '#')) { |
247 | /* Skip lines starting with semicolon or pound. | |
248 | It probably wouldn't cause any harm to not skip | |
249 | them but there's no need to save them. */ | |
250 | add_exclude_list(line,&list,include); | |
251 | } | |
2b6b4d53 AT |
252 | } |
253 | fclose(f); | |
254 | return list; | |
c627d613 AT |
255 | } |
256 | ||
257 | ||
f0f5767f | 258 | void add_exclude_file(const char *fname, int fatal, int include) |
c627d613 | 259 | { |
8f3a2d54 AT |
260 | if (!fname || !*fname) return; |
261 | ||
2b6b4d53 | 262 | exclude_list = make_exclude_list(fname,exclude_list,fatal,include); |
c627d613 AT |
263 | } |
264 | ||
265 | ||
266 | void send_exclude_list(int f) | |
267 | { | |
2b6b4d53 AT |
268 | int i; |
269 | extern int remote_version; | |
25cf8893 AT |
270 | extern int list_only, recurse; |
271 | ||
bb7c4fa3 MP |
272 | /* This is a complete hack - blame Rusty. |
273 | * | |
274 | * FIXME: This pattern shows up in the output of | |
275 | * report_exclude_result(), which is not ideal. */ | |
25cf8893 AT |
276 | if (list_only && !recurse) { |
277 | add_exclude("/*/*", 0); | |
278 | } | |
2b6b4d53 AT |
279 | |
280 | if (!exclude_list) { | |
281 | write_int(f,0); | |
282 | return; | |
283 | } | |
284 | ||
285 | for (i=0;exclude_list[i];i++) { | |
2b6b4d53 | 286 | int l; |
2fb139c1 AT |
287 | char pattern[MAXPATHLEN]; |
288 | ||
289 | strlcpy(pattern,exclude_list[i]->pattern,sizeof(pattern)); | |
290 | if (exclude_list[i]->directory) strlcat(pattern,"/", sizeof(pattern)); | |
2b6b4d53 | 291 | |
587cb08d DD |
292 | l = strlen(pattern); |
293 | if (l == 0) continue; | |
294 | if (exclude_list[i]->include) { | |
295 | if (remote_version < 19) { | |
2b6b4d53 | 296 | rprintf(FERROR,"remote rsync does not support include syntax - aborting\n"); |
ec9df380 | 297 | exit_cleanup(RERR_UNSUPPORTED); |
2b6b4d53 | 298 | } |
587cb08d DD |
299 | write_int(f,l+2); |
300 | write_buf(f,"+ ",2); | |
301 | } else { | |
302 | write_int(f,l); | |
2b6b4d53 | 303 | } |
2b6b4d53 AT |
304 | write_buf(f,pattern,l); |
305 | } | |
306 | ||
307 | write_int(f,0); | |
c627d613 AT |
308 | } |
309 | ||
310 | ||
311 | void recv_exclude_list(int f) | |
312 | { | |
2b6b4d53 | 313 | char line[MAXPATHLEN]; |
9dd891bb MP |
314 | unsigned int l; |
315 | ||
2b6b4d53 AT |
316 | while ((l=read_int(f))) { |
317 | if (l >= MAXPATHLEN) overflow("recv_exclude_list"); | |
318 | read_sbuf(f,line,l); | |
319 | add_exclude(line,0); | |
320 | } | |
c627d613 AT |
321 | } |
322 | ||
651443a7 DD |
323 | /* Get the next include/exclude arg from the string. It works in a similar way |
324 | ** to strtok - initially an arg is sent over, from then on NULL. This | |
325 | ** routine takes into account any +/- in the strings and does not | |
326 | ** consider the space following it as a delimeter. | |
327 | */ | |
328 | char *get_exclude_tok(char *p) | |
329 | { | |
330 | static char *s; | |
331 | static int more; | |
332 | char *t; | |
333 | ||
334 | if (p) { | |
335 | s=p; | |
336 | if (*p) | |
337 | more=1; | |
338 | } | |
339 | ||
340 | if (!more) | |
341 | return(NULL); | |
c627d613 | 342 | |
651443a7 | 343 | /* Skip over any initial spaces */ |
32f76175 | 344 | while (isspace(* (unsigned char *) s)) |
651443a7 DD |
345 | s++; |
346 | ||
347 | /* Are we at the end of the string? */ | |
348 | if (*s) { | |
349 | /* remember the beginning of the token */ | |
350 | t=s; | |
351 | ||
352 | /* Is this a '+' or '-' followed by a space (not whitespace)? */ | |
353 | if ((*s=='+' || *s=='-') && *(s+1)==' ') | |
354 | s+=2; | |
355 | ||
356 | /* Skip to the next space or the end of the string */ | |
32f76175 | 357 | while (!isspace(* (unsigned char *) s) && *s != '\0') |
651443a7 DD |
358 | s++; |
359 | } else { | |
360 | t=NULL; | |
361 | } | |
362 | ||
363 | /* Have we reached the end of the string? */ | |
364 | if (*s) | |
365 | *s++='\0'; | |
366 | else | |
367 | more=0; | |
368 | return(t); | |
369 | } | |
370 | ||
371 | ||
8f3a2d54 AT |
372 | void add_exclude_line(char *p) |
373 | { | |
374 | char *tok; | |
375 | if (!p || !*p) return; | |
376 | p = strdup(p); | |
377 | if (!p) out_of_memory("add_exclude_line"); | |
651443a7 | 378 | for (tok=get_exclude_tok(p); tok; tok=get_exclude_tok(NULL)) |
2b6b4d53 | 379 | add_exclude(tok, 0); |
8f3a2d54 AT |
380 | free(p); |
381 | } | |
382 | ||
cd64343a DD |
383 | void add_include_line(char *p) |
384 | { | |
385 | char *tok; | |
386 | if (!p || !*p) return; | |
387 | p = strdup(p); | |
388 | if (!p) out_of_memory("add_include_line"); | |
651443a7 | 389 | for (tok=get_exclude_tok(p); tok; tok=get_exclude_tok(NULL)) |
cd64343a DD |
390 | add_exclude(tok, 1); |
391 | free(p); | |
392 | } | |
393 | ||
8f3a2d54 | 394 | |
c627d613 | 395 | static char *cvs_ignore_list[] = { |
95dd949c WD |
396 | "RCS/", "SCCS/", "CVS/", ".svn/", "CVS.adm", "RCSLOG", "cvslog.*", |
397 | "tags", "TAGS", ".make.state", ".nse_depinfo", | |
398 | "*~", "#*", ".#*", ", *", "*.old", "*.bak", "*.BAK", "*.orig", | |
c627d613 | 399 | "*.rej", ".del-*", "*.a", "*.o", "*.obj", "*.so", "*.Z", "*.elc", "*.ln", |
95dd949c | 400 | "core", NULL}; |
c627d613 AT |
401 | |
402 | ||
403 | void add_cvs_excludes(void) | |
404 | { | |
2b6b4d53 AT |
405 | char fname[MAXPATHLEN]; |
406 | char *p; | |
407 | int i; | |
c627d613 | 408 | |
2b6b4d53 AT |
409 | for (i=0; cvs_ignore_list[i]; i++) |
410 | add_exclude(cvs_ignore_list[i], 0); | |
c627d613 | 411 | |
2b6b4d53 | 412 | if ((p=getenv("HOME")) && strlen(p) < (MAXPATHLEN-12)) { |
8950ac03 | 413 | snprintf(fname,sizeof(fname), "%s/.cvsignore",p); |
2b6b4d53 AT |
414 | add_exclude_file(fname,0,0); |
415 | } | |
c627d613 | 416 | |
2b6b4d53 | 417 | add_exclude_line(getenv("CVSIGNORE")); |
c627d613 | 418 | } |