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; | |
26 | ||
2b6b4d53 | 27 | static struct exclude_struct **exclude_list; |
c627d613 | 28 | |
2bca43f6 DD |
29 | /* |
30 | * Optimization for special case when all included files are explicitly | |
31 | * listed without wildcards in the "exclude" list followed by a "- *" | |
32 | * to exclude the rest. | |
33 | * Contributed by Dave Dykstra <dwd@bell-labs.com> | |
34 | */ | |
35 | static int only_included_files = 1; | |
36 | static struct exclude_struct *exclude_the_rest; | |
37 | ||
38 | int send_included_file_names(int f,struct file_list *flist) | |
39 | { | |
40 | struct exclude_struct *ex, **ex_list; | |
41 | int n; | |
42 | char *p; | |
43 | ||
44 | if (!only_included_files || (exclude_the_rest == NULL)) | |
45 | return 0; | |
46 | ||
47 | if (verbose > 1) { | |
48 | rprintf(FINFO,"(using include-only optimization) "); | |
49 | } | |
50 | ||
51 | /* set exclude_list to NULL temporarily so check_exclude */ | |
52 | /* will always return true */ | |
53 | ex_list = exclude_list; | |
54 | exclude_list = NULL; | |
55 | for (n=0; (ex = ex_list[n]) != NULL; n++) { | |
56 | if (ex == exclude_the_rest) | |
57 | break; | |
58 | p = ex->pattern; | |
59 | while (*p == '/') { | |
60 | /* skip the allowed beginning slashes */ | |
61 | p++; | |
62 | } | |
63 | send_file_name(f,flist,p,0,0); | |
64 | } | |
65 | exclude_list = ex_list; | |
66 | ||
67 | return 1; | |
68 | } | |
69 | ||
2b6b4d53 AT |
70 | /* build an exclude structure given a exclude pattern */ |
71 | static struct exclude_struct *make_exclude(char *pattern, int include) | |
c627d613 | 72 | { |
2b6b4d53 | 73 | struct exclude_struct *ret; |
c627d613 | 74 | |
2b6b4d53 AT |
75 | ret = (struct exclude_struct *)malloc(sizeof(*ret)); |
76 | if (!ret) out_of_memory("make_exclude"); | |
c627d613 | 77 | |
2b6b4d53 AT |
78 | memset(ret, 0, sizeof(*ret)); |
79 | ||
80 | ret->orig = strdup(pattern); | |
81 | ||
82 | if (strncmp(pattern,"- ",2) == 0) { | |
83 | pattern += 2; | |
84 | } else if (strncmp(pattern,"+ ",2) == 0) { | |
85 | ret->include = 1; | |
86 | pattern += 2; | |
87 | } else { | |
88 | ret->include = include; | |
89 | } | |
90 | ||
91 | ret->pattern = strdup(pattern); | |
92 | ||
93 | if (!ret->orig || !ret->pattern) out_of_memory("make_exclude"); | |
c627d613 | 94 | |
2bca43f6 DD |
95 | if (strpbrk(pattern, "*[?")) { |
96 | if (!ret->include && (*pattern == '*') && (*(pattern+1) == '\0')) { | |
97 | exclude_the_rest = ret; | |
98 | } else { | |
99 | only_included_files = 0; | |
100 | } | |
101 | ret->regular_exp = 1; | |
102 | } else if (!ret->include) { | |
103 | only_included_files = 0; | |
104 | } | |
c627d613 | 105 | |
2b6b4d53 AT |
106 | if (strlen(pattern) > 1 && pattern[strlen(pattern)-1] == '/') { |
107 | ret->pattern[strlen(pattern)-1] = 0; | |
108 | ret->directory = 1; | |
109 | } | |
c627d613 | 110 | |
2b6b4d53 AT |
111 | if (!strchr(ret->pattern,'/')) { |
112 | ret->local = 1; | |
113 | } | |
0944563e | 114 | |
2b6b4d53 AT |
115 | return ret; |
116 | } | |
117 | ||
118 | static void free_exclude(struct exclude_struct *ex) | |
119 | { | |
120 | free(ex->orig); | |
121 | free(ex->pattern); | |
122 | memset(ex,0,sizeof(*ex)); | |
123 | free(ex); | |
124 | } | |
c627d613 | 125 | |
2b6b4d53 AT |
126 | static int check_one_exclude(char *name,struct exclude_struct *ex, |
127 | STRUCT_STAT *st) | |
128 | { | |
129 | char *p; | |
130 | int match_start=0; | |
131 | char *pattern = ex->pattern; | |
132 | ||
133 | if (ex->local && (p=strrchr(name,'/'))) | |
134 | name = p+1; | |
135 | ||
136 | if (!name[0]) return 0; | |
137 | ||
138 | if (ex->directory && !S_ISDIR(st->st_mode)) return 0; | |
139 | ||
140 | if (*pattern == '/' && *name != '/') { | |
141 | match_start = 1; | |
142 | pattern++; | |
143 | } | |
144 | ||
145 | if (ex->regular_exp) { | |
ea2111d1 | 146 | if (fnmatch(pattern, name, 0) == 0) |
2b6b4d53 AT |
147 | return 1; |
148 | } else { | |
149 | int l1 = strlen(name); | |
ea2111d1 | 150 | int l2 = strlen(pattern); |
2b6b4d53 | 151 | if (l2 <= l1 && |
ea2111d1 | 152 | strcmp(name+(l1-l2),pattern) == 0 && |
2b6b4d53 AT |
153 | (l1==l2 || (!match_start && name[l1-(l2+1)] == '/'))) |
154 | return 1; | |
155 | } | |
156 | ||
157 | return 0; | |
c627d613 AT |
158 | } |
159 | ||
160 | ||
2b6b4d53 AT |
161 | int check_exclude(char *name,struct exclude_struct **local_exclude_list, |
162 | STRUCT_STAT *st) | |
c627d613 | 163 | { |
2b6b4d53 | 164 | int n; |
c627d613 | 165 | |
2b6b4d53 AT |
166 | if (exclude_list) { |
167 | for (n=0; exclude_list[n]; n++) | |
168 | if (check_one_exclude(name,exclude_list[n],st)) | |
169 | return !exclude_list[n]->include; | |
170 | } | |
c627d613 | 171 | |
2b6b4d53 AT |
172 | if (local_exclude_list) { |
173 | for (n=0; local_exclude_list[n]; n++) | |
174 | if (check_one_exclude(name,local_exclude_list[n],st)) | |
175 | return !local_exclude_list[n]->include; | |
176 | } | |
c627d613 | 177 | |
2b6b4d53 | 178 | return 0; |
c627d613 AT |
179 | } |
180 | ||
181 | ||
2b6b4d53 | 182 | void add_exclude_list(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; | |
2bca43f6 DD |
196 | only_included_files = 1; |
197 | exclude_the_rest = NULL; | |
2b6b4d53 AT |
198 | return; |
199 | } | |
200 | ||
fe8c0a98 | 201 | *list = (struct exclude_struct **)Realloc(*list,sizeof(struct exclude_struct *)*(len+2)); |
2b6b4d53 AT |
202 | |
203 | if (!*list || !((*list)[len] = make_exclude(pattern, include))) | |
204 | out_of_memory("add_exclude"); | |
205 | ||
206 | if (verbose > 2) | |
207 | rprintf(FINFO,"add_exclude(%s)\n",pattern); | |
208 | ||
209 | (*list)[len+1] = NULL; | |
c627d613 AT |
210 | } |
211 | ||
2b6b4d53 | 212 | void add_exclude(char *pattern, int include) |
c627d613 | 213 | { |
2b6b4d53 | 214 | add_exclude_list(pattern,&exclude_list, include); |
c627d613 AT |
215 | } |
216 | ||
2b6b4d53 AT |
217 | struct exclude_struct **make_exclude_list(char *fname, |
218 | struct exclude_struct **list1, | |
219 | int fatal, int include) | |
c627d613 | 220 | { |
2b6b4d53 AT |
221 | struct exclude_struct **list=list1; |
222 | FILE *f = fopen(fname,"r"); | |
223 | char line[MAXPATHLEN]; | |
224 | if (!f) { | |
225 | if (fatal) { | |
226 | rprintf(FERROR,"%s : %s\n",fname,strerror(errno)); | |
227 | exit_cleanup(1); | |
228 | } | |
229 | return list; | |
230 | } | |
231 | ||
232 | while (fgets(line,MAXPATHLEN,f)) { | |
233 | int l = strlen(line); | |
234 | if (l && line[l-1] == '\n') l--; | |
235 | line[l] = 0; | |
236 | if (line[0]) add_exclude_list(line,&list,include); | |
237 | } | |
238 | fclose(f); | |
239 | return list; | |
c627d613 AT |
240 | } |
241 | ||
242 | ||
2b6b4d53 | 243 | void add_exclude_file(char *fname,int fatal,int include) |
c627d613 | 244 | { |
8f3a2d54 AT |
245 | if (!fname || !*fname) return; |
246 | ||
2b6b4d53 | 247 | exclude_list = make_exclude_list(fname,exclude_list,fatal,include); |
c627d613 AT |
248 | } |
249 | ||
250 | ||
251 | void send_exclude_list(int f) | |
252 | { | |
2b6b4d53 AT |
253 | int i; |
254 | extern int remote_version; | |
255 | ||
256 | if (!exclude_list) { | |
257 | write_int(f,0); | |
258 | return; | |
259 | } | |
260 | ||
261 | for (i=0;exclude_list[i];i++) { | |
262 | char *pattern = exclude_list[i]->orig; | |
263 | int l; | |
264 | ||
265 | if (remote_version < 19) { | |
266 | if (strncmp(pattern,"+ ", 2)==0) { | |
267 | rprintf(FERROR,"remote rsync does not support include syntax - aborting\n"); | |
268 | exit_cleanup(1); | |
269 | } | |
270 | ||
271 | if (strncmp(pattern,"- ", 2) == 0) { | |
272 | pattern += 2; | |
273 | } | |
274 | } | |
275 | ||
276 | l = strlen(pattern); | |
277 | if (l == 0) continue; | |
278 | write_int(f,l); | |
279 | write_buf(f,pattern,l); | |
280 | } | |
281 | ||
282 | write_int(f,0); | |
c627d613 AT |
283 | } |
284 | ||
285 | ||
286 | void recv_exclude_list(int f) | |
287 | { | |
2b6b4d53 AT |
288 | char line[MAXPATHLEN]; |
289 | int l; | |
290 | while ((l=read_int(f))) { | |
291 | if (l >= MAXPATHLEN) overflow("recv_exclude_list"); | |
292 | read_sbuf(f,line,l); | |
293 | add_exclude(line,0); | |
294 | } | |
c627d613 AT |
295 | } |
296 | ||
297 | ||
8f3a2d54 AT |
298 | void add_exclude_line(char *p) |
299 | { | |
300 | char *tok; | |
301 | if (!p || !*p) return; | |
302 | p = strdup(p); | |
303 | if (!p) out_of_memory("add_exclude_line"); | |
304 | for (tok=strtok(p," "); tok; tok=strtok(NULL," ")) | |
2b6b4d53 | 305 | add_exclude(tok, 0); |
8f3a2d54 AT |
306 | free(p); |
307 | } | |
308 | ||
309 | ||
c627d613 AT |
310 | static char *cvs_ignore_list[] = { |
311 | "RCS","SCCS","CVS","CVS.adm","RCSLOG","cvslog.*", | |
312 | "tags","TAGS",".make.state",".nse_depinfo", | |
313 | "*~", "#*", ".#*", ",*", "*.old", "*.bak", "*.BAK", "*.orig", | |
314 | "*.rej", ".del-*", "*.a", "*.o", "*.obj", "*.so", "*.Z", "*.elc", "*.ln", | |
315 | "core",NULL}; | |
316 | ||
317 | ||
318 | ||
319 | void add_cvs_excludes(void) | |
320 | { | |
2b6b4d53 AT |
321 | char fname[MAXPATHLEN]; |
322 | char *p; | |
323 | int i; | |
c627d613 | 324 | |
2b6b4d53 AT |
325 | for (i=0; cvs_ignore_list[i]; i++) |
326 | add_exclude(cvs_ignore_list[i], 0); | |
c627d613 | 327 | |
2b6b4d53 AT |
328 | if ((p=getenv("HOME")) && strlen(p) < (MAXPATHLEN-12)) { |
329 | slprintf(fname,sizeof(fname)-1, "%s/.cvsignore",p); | |
330 | add_exclude_file(fname,0,0); | |
331 | } | |
c627d613 | 332 | |
2b6b4d53 | 333 | add_exclude_line(getenv("CVSIGNORE")); |
c627d613 | 334 | } |