Commit | Line | Data |
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c627d613 AT |
1 | /* |
2 | Copyright (C) Andrew Tridgell 1996 | |
3 | Copyright (C) Paul Mackerras 1996 | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
18 | */ | |
19 | ||
2b6b4d53 AT |
20 | /* a lot of this stuff was originally derived from GNU tar, although |
21 | it has now changed so much that it is hard to tell :) */ | |
c627d613 AT |
22 | |
23 | #include "rsync.h" | |
24 | ||
25 | extern int verbose; | |
8458724d | 26 | extern int delete_mode; |
c627d613 | 27 | |
2b6b4d53 | 28 | static struct exclude_struct **exclude_list; |
c627d613 | 29 | |
2b6b4d53 AT |
30 | /* build an exclude structure given a exclude pattern */ |
31 | static struct exclude_struct *make_exclude(char *pattern, int include) | |
c627d613 | 32 | { |
2b6b4d53 | 33 | struct exclude_struct *ret; |
c627d613 | 34 | |
2b6b4d53 AT |
35 | ret = (struct exclude_struct *)malloc(sizeof(*ret)); |
36 | if (!ret) out_of_memory("make_exclude"); | |
c627d613 | 37 | |
2b6b4d53 AT |
38 | memset(ret, 0, sizeof(*ret)); |
39 | ||
2b6b4d53 AT |
40 | if (strncmp(pattern,"- ",2) == 0) { |
41 | pattern += 2; | |
42 | } else if (strncmp(pattern,"+ ",2) == 0) { | |
43 | ret->include = 1; | |
44 | pattern += 2; | |
45 | } else { | |
46 | ret->include = include; | |
47 | } | |
48 | ||
49 | ret->pattern = strdup(pattern); | |
50 | ||
587cb08d | 51 | if (!ret->pattern) out_of_memory("make_exclude"); |
c627d613 | 52 | |
2bca43f6 | 53 | if (strpbrk(pattern, "*[?")) { |
2bca43f6 | 54 | ret->regular_exp = 1; |
a8b9d4ed | 55 | ret->fnmatch_flags = strstr(pattern, "**") ? 0 : FNM_PATHNAME; |
2bca43f6 | 56 | } |
c627d613 | 57 | |
2b6b4d53 AT |
58 | if (strlen(pattern) > 1 && pattern[strlen(pattern)-1] == '/') { |
59 | ret->pattern[strlen(pattern)-1] = 0; | |
60 | ret->directory = 1; | |
61 | } | |
c627d613 | 62 | |
2b6b4d53 AT |
63 | if (!strchr(ret->pattern,'/')) { |
64 | ret->local = 1; | |
65 | } | |
0944563e | 66 | |
2b6b4d53 AT |
67 | return ret; |
68 | } | |
69 | ||
70 | static void free_exclude(struct exclude_struct *ex) | |
71 | { | |
2b6b4d53 AT |
72 | free(ex->pattern); |
73 | memset(ex,0,sizeof(*ex)); | |
74 | free(ex); | |
75 | } | |
c627d613 | 76 | |
2b6b4d53 AT |
77 | static int check_one_exclude(char *name,struct exclude_struct *ex, |
78 | STRUCT_STAT *st) | |
79 | { | |
80 | char *p; | |
81 | int match_start=0; | |
82 | char *pattern = ex->pattern; | |
83 | ||
84 | if (ex->local && (p=strrchr(name,'/'))) | |
85 | name = p+1; | |
86 | ||
87 | if (!name[0]) return 0; | |
88 | ||
89 | if (ex->directory && !S_ISDIR(st->st_mode)) return 0; | |
90 | ||
91 | if (*pattern == '/' && *name != '/') { | |
92 | match_start = 1; | |
93 | pattern++; | |
94 | } | |
95 | ||
96 | if (ex->regular_exp) { | |
c36cd317 | 97 | if (fnmatch(pattern, name, ex->fnmatch_flags) == 0) { |
2b6b4d53 | 98 | return 1; |
c36cd317 | 99 | } |
2b6b4d53 AT |
100 | } else { |
101 | int l1 = strlen(name); | |
ea2111d1 | 102 | int l2 = strlen(pattern); |
2b6b4d53 | 103 | if (l2 <= l1 && |
ea2111d1 | 104 | strcmp(name+(l1-l2),pattern) == 0 && |
c36cd317 | 105 | (l1==l2 || (!match_start && name[l1-(l2+1)] == '/'))) { |
2b6b4d53 | 106 | return 1; |
c36cd317 | 107 | } |
2b6b4d53 AT |
108 | } |
109 | ||
110 | return 0; | |
c627d613 AT |
111 | } |
112 | ||
113 | ||
2b6b4d53 AT |
114 | int check_exclude(char *name,struct exclude_struct **local_exclude_list, |
115 | STRUCT_STAT *st) | |
c627d613 | 116 | { |
2b6b4d53 | 117 | int n; |
c627d613 | 118 | |
5d5811f7 DD |
119 | if (name && (name[0] == '.') && !name[1]) |
120 | /* never exclude '.', even if somebody does --exclude '*' */ | |
121 | return 0; | |
122 | ||
2b6b4d53 AT |
123 | if (exclude_list) { |
124 | for (n=0; exclude_list[n]; n++) | |
125 | if (check_one_exclude(name,exclude_list[n],st)) | |
126 | return !exclude_list[n]->include; | |
127 | } | |
c627d613 | 128 | |
2b6b4d53 AT |
129 | if (local_exclude_list) { |
130 | for (n=0; local_exclude_list[n]; n++) | |
131 | if (check_one_exclude(name,local_exclude_list[n],st)) | |
132 | return !local_exclude_list[n]->include; | |
133 | } | |
c627d613 | 134 | |
2b6b4d53 | 135 | return 0; |
c627d613 AT |
136 | } |
137 | ||
138 | ||
2b6b4d53 | 139 | void add_exclude_list(char *pattern,struct exclude_struct ***list, int include) |
c627d613 | 140 | { |
2b6b4d53 AT |
141 | int len=0; |
142 | if (list && *list) | |
143 | for (; (*list)[len]; len++) ; | |
144 | ||
145 | if (strcmp(pattern,"!") == 0) { | |
146 | if (verbose > 2) | |
147 | rprintf(FINFO,"clearing exclude list\n"); | |
148 | while ((len)--) { | |
149 | free_exclude((*list)[len]); | |
150 | } | |
151 | free((*list)); | |
152 | *list = NULL; | |
153 | return; | |
154 | } | |
155 | ||
fe8c0a98 | 156 | *list = (struct exclude_struct **)Realloc(*list,sizeof(struct exclude_struct *)*(len+2)); |
2b6b4d53 AT |
157 | |
158 | if (!*list || !((*list)[len] = make_exclude(pattern, include))) | |
159 | out_of_memory("add_exclude"); | |
160 | ||
161 | if (verbose > 2) | |
162 | rprintf(FINFO,"add_exclude(%s)\n",pattern); | |
163 | ||
164 | (*list)[len+1] = NULL; | |
c627d613 AT |
165 | } |
166 | ||
2b6b4d53 | 167 | void add_exclude(char *pattern, int include) |
c627d613 | 168 | { |
2b6b4d53 | 169 | add_exclude_list(pattern,&exclude_list, include); |
c627d613 AT |
170 | } |
171 | ||
2b6b4d53 AT |
172 | struct exclude_struct **make_exclude_list(char *fname, |
173 | struct exclude_struct **list1, | |
174 | int fatal, int include) | |
c627d613 | 175 | { |
2b6b4d53 AT |
176 | struct exclude_struct **list=list1; |
177 | FILE *f = fopen(fname,"r"); | |
178 | char line[MAXPATHLEN]; | |
179 | if (!f) { | |
180 | if (fatal) { | |
181 | rprintf(FERROR,"%s : %s\n",fname,strerror(errno)); | |
65417579 | 182 | exit_cleanup(RERR_FILEIO); |
2b6b4d53 AT |
183 | } |
184 | return list; | |
185 | } | |
186 | ||
187 | while (fgets(line,MAXPATHLEN,f)) { | |
188 | int l = strlen(line); | |
189 | if (l && line[l-1] == '\n') l--; | |
190 | line[l] = 0; | |
122f19a6 DD |
191 | if (line[0] && (line[0] != ';') && (line[0] != '#')) { |
192 | /* Skip lines starting with semicolon or pound. | |
193 | It probably wouldn't cause any harm to not skip | |
194 | them but there's no need to save them. */ | |
195 | add_exclude_list(line,&list,include); | |
196 | } | |
2b6b4d53 AT |
197 | } |
198 | fclose(f); | |
199 | return list; | |
c627d613 AT |
200 | } |
201 | ||
202 | ||
2b6b4d53 | 203 | void add_exclude_file(char *fname,int fatal,int include) |
c627d613 | 204 | { |
8f3a2d54 AT |
205 | if (!fname || !*fname) return; |
206 | ||
2b6b4d53 | 207 | exclude_list = make_exclude_list(fname,exclude_list,fatal,include); |
c627d613 AT |
208 | } |
209 | ||
210 | ||
211 | void send_exclude_list(int f) | |
212 | { | |
2b6b4d53 AT |
213 | int i; |
214 | extern int remote_version; | |
215 | ||
216 | if (!exclude_list) { | |
217 | write_int(f,0); | |
218 | return; | |
219 | } | |
220 | ||
221 | for (i=0;exclude_list[i];i++) { | |
2b6b4d53 | 222 | int l; |
2fb139c1 AT |
223 | char pattern[MAXPATHLEN]; |
224 | ||
225 | strlcpy(pattern,exclude_list[i]->pattern,sizeof(pattern)); | |
226 | if (exclude_list[i]->directory) strlcat(pattern,"/", sizeof(pattern)); | |
2b6b4d53 | 227 | |
587cb08d DD |
228 | l = strlen(pattern); |
229 | if (l == 0) continue; | |
230 | if (exclude_list[i]->include) { | |
231 | if (remote_version < 19) { | |
2b6b4d53 | 232 | rprintf(FERROR,"remote rsync does not support include syntax - aborting\n"); |
ec9df380 | 233 | exit_cleanup(RERR_UNSUPPORTED); |
2b6b4d53 | 234 | } |
587cb08d DD |
235 | write_int(f,l+2); |
236 | write_buf(f,"+ ",2); | |
237 | } else { | |
238 | write_int(f,l); | |
2b6b4d53 | 239 | } |
2b6b4d53 AT |
240 | write_buf(f,pattern,l); |
241 | } | |
242 | ||
243 | write_int(f,0); | |
c627d613 AT |
244 | } |
245 | ||
246 | ||
247 | void recv_exclude_list(int f) | |
248 | { | |
2b6b4d53 AT |
249 | char line[MAXPATHLEN]; |
250 | int l; | |
251 | while ((l=read_int(f))) { | |
252 | if (l >= MAXPATHLEN) overflow("recv_exclude_list"); | |
253 | read_sbuf(f,line,l); | |
254 | add_exclude(line,0); | |
255 | } | |
c627d613 AT |
256 | } |
257 | ||
651443a7 DD |
258 | /* Get the next include/exclude arg from the string. It works in a similar way |
259 | ** to strtok - initially an arg is sent over, from then on NULL. This | |
260 | ** routine takes into account any +/- in the strings and does not | |
261 | ** consider the space following it as a delimeter. | |
262 | */ | |
263 | char *get_exclude_tok(char *p) | |
264 | { | |
265 | static char *s; | |
266 | static int more; | |
267 | char *t; | |
268 | ||
269 | if (p) { | |
270 | s=p; | |
271 | if (*p) | |
272 | more=1; | |
273 | } | |
274 | ||
275 | if (!more) | |
276 | return(NULL); | |
c627d613 | 277 | |
651443a7 DD |
278 | /* Skip over any initial spaces */ |
279 | while(isspace(*s)) | |
280 | s++; | |
281 | ||
282 | /* Are we at the end of the string? */ | |
283 | if (*s) { | |
284 | /* remember the beginning of the token */ | |
285 | t=s; | |
286 | ||
287 | /* Is this a '+' or '-' followed by a space (not whitespace)? */ | |
288 | if ((*s=='+' || *s=='-') && *(s+1)==' ') | |
289 | s+=2; | |
290 | ||
291 | /* Skip to the next space or the end of the string */ | |
292 | while(!isspace(*s) && *s!='\0') | |
293 | s++; | |
294 | } else { | |
295 | t=NULL; | |
296 | } | |
297 | ||
298 | /* Have we reached the end of the string? */ | |
299 | if (*s) | |
300 | *s++='\0'; | |
301 | else | |
302 | more=0; | |
303 | return(t); | |
304 | } | |
305 | ||
306 | ||
8f3a2d54 AT |
307 | void add_exclude_line(char *p) |
308 | { | |
309 | char *tok; | |
310 | if (!p || !*p) return; | |
311 | p = strdup(p); | |
312 | if (!p) out_of_memory("add_exclude_line"); | |
651443a7 | 313 | for (tok=get_exclude_tok(p); tok; tok=get_exclude_tok(NULL)) |
2b6b4d53 | 314 | add_exclude(tok, 0); |
8f3a2d54 AT |
315 | free(p); |
316 | } | |
317 | ||
cd64343a DD |
318 | void add_include_line(char *p) |
319 | { | |
320 | char *tok; | |
321 | if (!p || !*p) return; | |
322 | p = strdup(p); | |
323 | if (!p) out_of_memory("add_include_line"); | |
651443a7 | 324 | for (tok=get_exclude_tok(p); tok; tok=get_exclude_tok(NULL)) |
cd64343a DD |
325 | add_exclude(tok, 1); |
326 | free(p); | |
327 | } | |
328 | ||
8f3a2d54 | 329 | |
c627d613 AT |
330 | static char *cvs_ignore_list[] = { |
331 | "RCS","SCCS","CVS","CVS.adm","RCSLOG","cvslog.*", | |
332 | "tags","TAGS",".make.state",".nse_depinfo", | |
333 | "*~", "#*", ".#*", ",*", "*.old", "*.bak", "*.BAK", "*.orig", | |
334 | "*.rej", ".del-*", "*.a", "*.o", "*.obj", "*.so", "*.Z", "*.elc", "*.ln", | |
335 | "core",NULL}; | |
336 | ||
337 | ||
338 | ||
339 | void add_cvs_excludes(void) | |
340 | { | |
2b6b4d53 AT |
341 | char fname[MAXPATHLEN]; |
342 | char *p; | |
343 | int i; | |
c627d613 | 344 | |
2b6b4d53 AT |
345 | for (i=0; cvs_ignore_list[i]; i++) |
346 | add_exclude(cvs_ignore_list[i], 0); | |
c627d613 | 347 | |
2b6b4d53 | 348 | if ((p=getenv("HOME")) && strlen(p) < (MAXPATHLEN-12)) { |
37f9805d | 349 | slprintf(fname,sizeof(fname), "%s/.cvsignore",p); |
2b6b4d53 AT |
350 | add_exclude_file(fname,0,0); |
351 | } | |
c627d613 | 352 | |
2b6b4d53 | 353 | add_exclude_line(getenv("CVSIGNORE")); |
c627d613 | 354 | } |