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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; | |
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, "*[?")) { |
0f2ac855 WD |
58 | ret->regular_exp = 1; |
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 | ret->fnmatch_flags = 0; | |
68 | } | |
2bca43f6 | 69 | } |
c627d613 | 70 | |
2b6b4d53 AT |
71 | if (strlen(pattern) > 1 && pattern[strlen(pattern)-1] == '/') { |
72 | ret->pattern[strlen(pattern)-1] = 0; | |
73 | ret->directory = 1; | |
74 | } | |
c627d613 | 75 | |
2b6b4d53 AT |
76 | if (!strchr(ret->pattern,'/')) { |
77 | ret->local = 1; | |
78 | } | |
0944563e | 79 | |
2b6b4d53 AT |
80 | return ret; |
81 | } | |
82 | ||
83 | static void free_exclude(struct exclude_struct *ex) | |
84 | { | |
2b6b4d53 AT |
85 | free(ex->pattern); |
86 | memset(ex,0,sizeof(*ex)); | |
87 | free(ex); | |
88 | } | |
c627d613 | 89 | |
d567322f MP |
90 | static int check_one_exclude(char *name, struct exclude_struct *ex, |
91 | STRUCT_STAT *st) | |
2b6b4d53 AT |
92 | { |
93 | char *p; | |
0f2ac855 | 94 | int match_start = 0; |
2b6b4d53 AT |
95 | char *pattern = ex->pattern; |
96 | ||
97 | if (ex->local && (p=strrchr(name,'/'))) | |
98 | name = p+1; | |
99 | ||
100 | if (!name[0]) return 0; | |
101 | ||
102 | if (ex->directory && !S_ISDIR(st->st_mode)) return 0; | |
103 | ||
104 | if (*pattern == '/' && *name != '/') { | |
105 | match_start = 1; | |
106 | pattern++; | |
107 | } | |
108 | ||
109 | if (ex->regular_exp) { | |
c36cd317 | 110 | if (fnmatch(pattern, name, ex->fnmatch_flags) == 0) { |
2b6b4d53 | 111 | return 1; |
c36cd317 | 112 | } |
2b6b4d53 AT |
113 | } else { |
114 | int l1 = strlen(name); | |
ea2111d1 | 115 | int l2 = strlen(pattern); |
0f2ac855 | 116 | if (l2 <= l1 && |
ea2111d1 | 117 | strcmp(name+(l1-l2),pattern) == 0 && |
c36cd317 | 118 | (l1==l2 || (!match_start && name[l1-(l2+1)] == '/'))) { |
2b6b4d53 | 119 | return 1; |
c36cd317 | 120 | } |
2b6b4d53 AT |
121 | } |
122 | ||
123 | return 0; | |
c627d613 AT |
124 | } |
125 | ||
126 | ||
d567322f MP |
127 | static void report_exclude_result(char const *name, |
128 | struct exclude_struct const *ent, | |
129 | STRUCT_STAT const *st) | |
130 | { | |
0f2ac855 WD |
131 | /* If a trailing slash is present to match only directories, |
132 | * then it is stripped out by make_exclude. So as a special | |
133 | * case we add it back in here. */ | |
134 | ||
135 | if (verbose >= 2) | |
136 | rprintf(FINFO, "%s %s %s because of pattern %s%s\n", | |
137 | ent->include ? "including" : "excluding", | |
138 | S_ISDIR(st->st_mode) ? "directory" : "file", | |
139 | name, ent->pattern, | |
140 | ent->directory ? "/" : ""); | |
d567322f MP |
141 | } |
142 | ||
143 | ||
144 | /* | |
145 | * Return true if file NAME is defined to be excluded by either | |
146 | * LOCAL_EXCLUDE_LIST or the globals EXCLUDE_LIST. | |
147 | */ | |
148 | int check_exclude(char *name, struct exclude_struct **local_exclude_list, | |
2b6b4d53 | 149 | STRUCT_STAT *st) |
c627d613 | 150 | { |
2b6b4d53 | 151 | int n; |
0f2ac855 | 152 | struct exclude_struct *ent; |
c627d613 | 153 | |
5d5811f7 DD |
154 | if (name && (name[0] == '.') && !name[1]) |
155 | /* never exclude '.', even if somebody does --exclude '*' */ | |
156 | return 0; | |
157 | ||
2b6b4d53 | 158 | if (exclude_list) { |
d567322f | 159 | for (n=0; exclude_list[n]; n++) { |
0f2ac855 | 160 | ent = exclude_list[n]; |
d567322f | 161 | if (check_one_exclude(name, ent, st)) { |
0f2ac855 | 162 | report_exclude_result(name, ent, st); |
d567322f | 163 | return !ent->include; |
0f2ac855 WD |
164 | } |
165 | } | |
2b6b4d53 | 166 | } |
c627d613 | 167 | |
2b6b4d53 | 168 | if (local_exclude_list) { |
d567322f | 169 | for (n=0; local_exclude_list[n]; n++) { |
0f2ac855 | 170 | ent = local_exclude_list[n]; |
d567322f | 171 | if (check_one_exclude(name, ent, st)) { |
0f2ac855 | 172 | report_exclude_result(name, ent, st); |
d567322f | 173 | return !ent->include; |
0f2ac855 WD |
174 | } |
175 | } | |
2b6b4d53 | 176 | } |
c627d613 | 177 | |
2b6b4d53 | 178 | return 0; |
c627d613 AT |
179 | } |
180 | ||
181 | ||
f0f5767f | 182 | void add_exclude_list(const char *pattern, struct exclude_struct ***list, int include) |
c627d613 | 183 | { |
2b6b4d53 AT |
184 | int len=0; |
185 | if (list && *list) | |
186 | for (; (*list)[len]; len++) ; | |
187 | ||
188 | if (strcmp(pattern,"!") == 0) { | |
189 | if (verbose > 2) | |
190 | rprintf(FINFO,"clearing exclude list\n"); | |
191 | while ((len)--) { | |
192 | free_exclude((*list)[len]); | |
193 | } | |
194 | free((*list)); | |
195 | *list = NULL; | |
196 | return; | |
197 | } | |
198 | ||
fe8c0a98 | 199 | *list = (struct exclude_struct **)Realloc(*list,sizeof(struct exclude_struct *)*(len+2)); |
0f2ac855 | 200 | |
2b6b4d53 AT |
201 | if (!*list || !((*list)[len] = make_exclude(pattern, include))) |
202 | out_of_memory("add_exclude"); | |
0f2ac855 | 203 | |
8c35542d MP |
204 | if (verbose > 2) { |
205 | rprintf(FINFO,"add_exclude(%s,%s)\n",pattern, | |
0f2ac855 | 206 | include ? "include" : "exclude"); |
8c35542d MP |
207 | } |
208 | ||
2b6b4d53 | 209 | (*list)[len+1] = NULL; |
c627d613 AT |
210 | } |
211 | ||
f0f5767f | 212 | void add_exclude(const char *pattern, int include) |
c627d613 | 213 | { |
2b6b4d53 | 214 | add_exclude_list(pattern,&exclude_list, include); |
c627d613 AT |
215 | } |
216 | ||
f0f5767f | 217 | struct exclude_struct **make_exclude_list(const char *fname, |
2b6b4d53 AT |
218 | struct exclude_struct **list1, |
219 | int fatal, int include) | |
c627d613 | 220 | { |
2b6b4d53 | 221 | struct exclude_struct **list=list1; |
ccdff3eb | 222 | int fd; |
2b6b4d53 | 223 | char line[MAXPATHLEN]; |
ccdff3eb WD |
224 | char *eob = line + MAXPATHLEN - 1; |
225 | extern int eol_nulls; | |
226 | ||
227 | if (strcmp(fname, "-") != 0) | |
228 | fd = open(fname, O_RDONLY|O_BINARY); | |
229 | else | |
230 | fd = 0; | |
231 | if (fd < 0) { | |
2b6b4d53 | 232 | if (fatal) { |
a039749b | 233 | rsyserr(FERROR, errno, |
0f2ac855 WD |
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 | ||
ccdff3eb WD |
242 | while (1) { |
243 | char ch, *s = line; | |
244 | int cnt; | |
245 | while (1) { | |
246 | if ((cnt = read(fd, &ch, 1)) <= 0) { | |
247 | if (cnt < 0 && errno == EINTR) | |
248 | continue; | |
249 | break; | |
250 | } | |
251 | if (eol_nulls? !ch : (ch == '\n' || ch == '\r')) | |
252 | break; | |
253 | if (s < eob) | |
254 | *s++ = ch; | |
255 | } | |
256 | *s = '\0'; | |
257 | if (*line && *line != ';' && *line != '#') { | |
122f19a6 | 258 | /* Skip lines starting with semicolon or pound. |
ccdff3eb WD |
259 | * It probably wouldn't cause any harm to not skip |
260 | * them but there's no need to save them. */ | |
122f19a6 DD |
261 | add_exclude_list(line,&list,include); |
262 | } | |
ccdff3eb WD |
263 | if (cnt <= 0) |
264 | break; | |
2b6b4d53 | 265 | } |
ccdff3eb | 266 | close(fd); |
2b6b4d53 | 267 | return list; |
c627d613 AT |
268 | } |
269 | ||
270 | ||
f0f5767f | 271 | void add_exclude_file(const char *fname, int fatal, int include) |
c627d613 | 272 | { |
8f3a2d54 AT |
273 | if (!fname || !*fname) return; |
274 | ||
2b6b4d53 | 275 | exclude_list = make_exclude_list(fname,exclude_list,fatal,include); |
c627d613 AT |
276 | } |
277 | ||
278 | ||
279 | void send_exclude_list(int f) | |
280 | { | |
2b6b4d53 AT |
281 | int i; |
282 | extern int remote_version; | |
25cf8893 AT |
283 | extern int list_only, recurse; |
284 | ||
bb7c4fa3 MP |
285 | /* This is a complete hack - blame Rusty. |
286 | * | |
287 | * FIXME: This pattern shows up in the output of | |
288 | * report_exclude_result(), which is not ideal. */ | |
25cf8893 AT |
289 | if (list_only && !recurse) { |
290 | add_exclude("/*/*", 0); | |
291 | } | |
2b6b4d53 AT |
292 | |
293 | if (!exclude_list) { | |
294 | write_int(f,0); | |
295 | return; | |
296 | } | |
297 | ||
298 | for (i=0;exclude_list[i];i++) { | |
2b6b4d53 | 299 | int l; |
2fb139c1 AT |
300 | char pattern[MAXPATHLEN]; |
301 | ||
0f2ac855 | 302 | strlcpy(pattern,exclude_list[i]->pattern,sizeof(pattern)); |
2fb139c1 | 303 | if (exclude_list[i]->directory) strlcat(pattern,"/", sizeof(pattern)); |
2b6b4d53 | 304 | |
587cb08d DD |
305 | l = strlen(pattern); |
306 | if (l == 0) continue; | |
307 | if (exclude_list[i]->include) { | |
308 | if (remote_version < 19) { | |
2b6b4d53 | 309 | rprintf(FERROR,"remote rsync does not support include syntax - aborting\n"); |
ec9df380 | 310 | exit_cleanup(RERR_UNSUPPORTED); |
2b6b4d53 | 311 | } |
587cb08d DD |
312 | write_int(f,l+2); |
313 | write_buf(f,"+ ",2); | |
314 | } else { | |
315 | write_int(f,l); | |
2b6b4d53 | 316 | } |
2b6b4d53 | 317 | write_buf(f,pattern,l); |
0f2ac855 | 318 | } |
2b6b4d53 AT |
319 | |
320 | write_int(f,0); | |
c627d613 AT |
321 | } |
322 | ||
323 | ||
324 | void recv_exclude_list(int f) | |
325 | { | |
2b6b4d53 | 326 | char line[MAXPATHLEN]; |
9dd891bb MP |
327 | unsigned int l; |
328 | ||
2b6b4d53 AT |
329 | while ((l=read_int(f))) { |
330 | if (l >= MAXPATHLEN) overflow("recv_exclude_list"); | |
331 | read_sbuf(f,line,l); | |
332 | add_exclude(line,0); | |
333 | } | |
c627d613 AT |
334 | } |
335 | ||
651443a7 DD |
336 | /* Get the next include/exclude arg from the string. It works in a similar way |
337 | ** to strtok - initially an arg is sent over, from then on NULL. This | |
338 | ** routine takes into account any +/- in the strings and does not | |
339 | ** consider the space following it as a delimeter. | |
340 | */ | |
341 | char *get_exclude_tok(char *p) | |
342 | { | |
343 | static char *s; | |
344 | static int more; | |
345 | char *t; | |
346 | ||
347 | if (p) { | |
348 | s=p; | |
349 | if (*p) | |
350 | more=1; | |
351 | } | |
352 | ||
353 | if (!more) | |
354 | return(NULL); | |
c627d613 | 355 | |
651443a7 | 356 | /* Skip over any initial spaces */ |
32f76175 | 357 | while (isspace(* (unsigned char *) s)) |
651443a7 DD |
358 | s++; |
359 | ||
360 | /* Are we at the end of the string? */ | |
361 | if (*s) { | |
362 | /* remember the beginning of the token */ | |
363 | t=s; | |
364 | ||
365 | /* Is this a '+' or '-' followed by a space (not whitespace)? */ | |
366 | if ((*s=='+' || *s=='-') && *(s+1)==' ') | |
367 | s+=2; | |
0f2ac855 | 368 | |
651443a7 | 369 | /* Skip to the next space or the end of the string */ |
32f76175 | 370 | while (!isspace(* (unsigned char *) s) && *s != '\0') |
651443a7 DD |
371 | s++; |
372 | } else { | |
373 | t=NULL; | |
374 | } | |
375 | ||
376 | /* Have we reached the end of the string? */ | |
377 | if (*s) | |
378 | *s++='\0'; | |
379 | else | |
380 | more=0; | |
381 | return(t); | |
382 | } | |
383 | ||
0f2ac855 | 384 | |
8f3a2d54 AT |
385 | void add_exclude_line(char *p) |
386 | { | |
387 | char *tok; | |
388 | if (!p || !*p) return; | |
389 | p = strdup(p); | |
390 | if (!p) out_of_memory("add_exclude_line"); | |
0f2ac855 | 391 | for (tok=get_exclude_tok(p); tok; tok=get_exclude_tok(NULL)) |
2b6b4d53 | 392 | add_exclude(tok, 0); |
8f3a2d54 AT |
393 | free(p); |
394 | } | |
395 | ||
cd64343a DD |
396 | void add_include_line(char *p) |
397 | { | |
398 | char *tok; | |
399 | if (!p || !*p) return; | |
400 | p = strdup(p); | |
401 | if (!p) out_of_memory("add_include_line"); | |
651443a7 | 402 | for (tok=get_exclude_tok(p); tok; tok=get_exclude_tok(NULL)) |
cd64343a DD |
403 | add_exclude(tok, 1); |
404 | free(p); | |
405 | } | |
406 | ||
8f3a2d54 | 407 | |
c627d613 | 408 | static char *cvs_ignore_list[] = { |
95dd949c WD |
409 | "RCS/", "SCCS/", "CVS/", ".svn/", "CVS.adm", "RCSLOG", "cvslog.*", |
410 | "tags", "TAGS", ".make.state", ".nse_depinfo", | |
411 | "*~", "#*", ".#*", ", *", "*.old", "*.bak", "*.BAK", "*.orig", | |
c627d613 | 412 | "*.rej", ".del-*", "*.a", "*.o", "*.obj", "*.so", "*.Z", "*.elc", "*.ln", |
95dd949c | 413 | "core", NULL}; |
c627d613 AT |
414 | |
415 | ||
416 | void add_cvs_excludes(void) | |
417 | { | |
2b6b4d53 AT |
418 | char fname[MAXPATHLEN]; |
419 | char *p; | |
420 | int i; | |
0f2ac855 | 421 | |
2b6b4d53 AT |
422 | for (i=0; cvs_ignore_list[i]; i++) |
423 | add_exclude(cvs_ignore_list[i], 0); | |
c627d613 | 424 | |
2b6b4d53 | 425 | if ((p=getenv("HOME")) && strlen(p) < (MAXPATHLEN-12)) { |
8950ac03 | 426 | snprintf(fname,sizeof(fname), "%s/.cvsignore",p); |
2b6b4d53 AT |
427 | add_exclude_file(fname,0,0); |
428 | } | |
c627d613 | 429 | |
2b6b4d53 | 430 | add_exclude_line(getenv("CVSIGNORE")); |
c627d613 | 431 | } |