1 /* -*- c-file-style: "linux" -*-
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
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.
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.
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.
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 :) */
25 /* include/exclude cluestick added by Martin Pool <mbp@samba.org> */
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;
36 /** Build an exclude structure given a exclude pattern */
37 static struct exclude_struct *make_exclude(const char *pattern, int include)
39 struct exclude_struct *ret;
43 ret = new(struct exclude_struct);
44 if (!ret) out_of_memory("make_exclude");
46 memset(ret, 0, sizeof(*ret));
48 if (strncmp(pattern,"- ",2) == 0) {
50 } else if (strncmp(pattern,"+ ",2) == 0) {
54 ret->include = include;
57 if (exclude_path_prefix)
58 ret->match_flags |= MATCHFLG_ABS_PATH;
59 if (exclude_path_prefix && *pattern == '/') {
60 ret->pattern = new_array(char,
61 strlen(exclude_path_prefix) + strlen(pattern) + 1);
62 if (!ret->pattern) out_of_memory("make_exclude");
63 sprintf(ret->pattern, "%s%s", exclude_path_prefix, pattern);
66 ret->pattern = strdup(pattern);
67 if (!ret->pattern) out_of_memory("make_exclude");
70 if (strpbrk(pattern, "*[?")) {
71 ret->match_flags |= MATCHFLG_WILD;
72 if (strstr(pattern, "**")) {
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;
80 pat_len = strlen(ret->pattern);
81 if (pat_len > 1 && ret->pattern[pat_len-1] == '/') {
82 ret->pattern[pat_len-1] = 0;
86 for (cp = ret->pattern; (cp = strchr(cp, '/')) != NULL; cp++)
92 static void free_exclude(struct exclude_struct *ex)
95 memset(ex,0,sizeof(*ex));
100 void free_exclude_list(struct exclude_struct ***listp)
102 struct exclude_struct **list = *listp;
105 rprintf(FINFO,"clearing exclude list\n");
111 free_exclude(*list++);
117 static int check_one_exclude(char *name, struct exclude_struct *ex,
122 char *pattern = ex->pattern;
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. */
127 if (!ex->slash_cnt && !(ex->match_flags & MATCHFLG_WILD2)) {
128 if ((p = strrchr(name,'/')) != NULL)
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 pathjoin(full_name, sizeof full_name, curr_dir+plus, name);
139 if (!name[0]) return 0;
141 if (ex->directory && !name_is_dir) return 0;
143 if (*pattern == '/') {
150 if (ex->match_flags & MATCHFLG_WILD) {
151 /* A non-anchored match with an infix slash and no "**"
152 * needs to match the last slash_cnt+1 name elements. */
153 if (!match_start && ex->slash_cnt &&
154 !(ex->match_flags & MATCHFLG_WILD2)) {
155 int cnt = ex->slash_cnt + 1;
156 for (p = name + strlen(name) - 1; p >= name; p--) {
157 if (*p == '/' && !--cnt)
162 if (wildmatch(pattern, name))
164 if (ex->match_flags & MATCHFLG_WILD2_PREFIX) {
165 /* If the **-prefixed pattern has a '/' as the next
166 * character, then try to match the rest of the
167 * pattern at the root. */
168 if (pattern[2] == '/' && wildmatch(pattern+3, name))
171 else if (!match_start && ex->match_flags & MATCHFLG_WILD2) {
172 /* A non-anchored match with an infix or trailing "**"
173 * (but not a prefixed "**") needs to try matching
174 * after every slash. */
175 while ((name = strchr(name, '/')) != NULL) {
177 if (wildmatch(pattern, name))
181 } else if (match_start) {
182 if (strcmp(name,pattern) == 0)
185 int l1 = strlen(name);
186 int l2 = strlen(pattern);
188 strcmp(name+(l1-l2),pattern) == 0 &&
189 (l1==l2 || name[l1-(l2+1)] == '/')) {
198 static void report_exclude_result(char const *name,
199 struct exclude_struct const *ent,
202 /* If a trailing slash is present to match only directories,
203 * then it is stripped out by make_exclude. So as a special
204 * case we add it back in here. */
207 rprintf(FINFO, "%s %s %s because of pattern %s%s\n",
208 ent->include ? "including" : "excluding",
209 name_is_dir ? "directory" : "file",
211 ent->directory ? "/" : "");
216 * Return true if file NAME is defined to be excluded by either
217 * LOCAL_EXCLUDE_LIST or the globals EXCLUDE_LIST.
219 int check_exclude(struct exclude_struct **list, char *name, int name_is_dir)
221 struct exclude_struct *ent;
223 while ((ent = *list++) != NULL) {
224 if (check_one_exclude(name, ent, name_is_dir)) {
225 report_exclude_result(name, ent, name_is_dir);
226 return !ent->include;
234 void add_exclude(struct exclude_struct ***listp, const char *pattern, int include)
236 struct exclude_struct **list = *listp;
239 if (*pattern == '!' && !pattern[1]) {
240 free_exclude_list(listp);
245 for (; list[len]; len++) {}
247 list = *listp = realloc_array(list, struct exclude_struct *, len+2);
249 if (!list || !(list[len] = make_exclude(pattern, include)))
250 out_of_memory("add_exclude");
253 rprintf(FINFO,"add_exclude(%s,%s)\n",pattern,
254 include ? "include" : "exclude");
261 void add_exclude_file(struct exclude_struct ***listp, const char *fname,
262 int fatal, int include)
265 char line[MAXPATHLEN];
266 char *eob = line + MAXPATHLEN - 1;
267 extern int eol_nulls;
269 if (!fname || !*fname)
272 if (*fname != '-' || fname[1])
273 fp = fopen(fname, "rb");
278 rsyserr(FERROR, errno,
279 "failed to open %s file %s",
280 include ? "include" : "exclude",
282 exit_cleanup(RERR_FILEIO);
291 if ((ch = getc(fp)) == EOF) {
292 if (ferror(fp) && errno == EINTR)
296 if (eol_nulls? !ch : (ch == '\n' || ch == '\r'))
302 if (*line && *line != ';' && *line != '#') {
303 /* Skip lines starting with semicolon or pound.
304 * It probably wouldn't cause any harm to not skip
305 * them but there's no need to save them. */
306 add_exclude(listp, line, include);
315 void send_exclude_list(int f)
318 extern int list_only, recurse;
320 /* This is a complete hack - blame Rusty.
322 * FIXME: This pattern shows up in the output of
323 * report_exclude_result(), which is not ideal. */
324 if (list_only && !recurse)
325 add_exclude(&exclude_list, "/*/*", ADD_EXCLUDE);
332 for (i=0;exclude_list[i];i++) {
334 char pattern[MAXPATHLEN];
336 strlcpy(pattern,exclude_list[i]->pattern,sizeof(pattern));
337 if (exclude_list[i]->directory) strlcat(pattern,"/", sizeof(pattern));
340 if (l == 0) continue;
341 if (exclude_list[i]->include) {
347 write_buf(f,pattern,l);
354 void recv_exclude_list(int f)
356 char line[MAXPATHLEN];
359 while ((l=read_int(f))) {
360 if (l >= MAXPATHLEN) overflow("recv_exclude_list");
362 add_exclude(&exclude_list, line, ADD_EXCLUDE);
366 /* Get the next include/exclude arg from the string. It works in a similar way
367 ** to strtok - initially an arg is sent over, from then on NULL. This
368 ** routine takes into account any +/- in the strings and does not
369 ** consider the space following it as a delimeter.
371 char *get_exclude_tok(char *p)
386 /* Skip over any initial spaces */
387 while (isspace(* (unsigned char *) s))
390 /* Are we at the end of the string? */
392 /* remember the beginning of the token */
395 /* Is this a '+' or '-' followed by a space (not whitespace)? */
396 if ((*s=='+' || *s=='-') && *(s+1)==' ')
399 /* Skip to the next space or the end of the string */
400 while (!isspace(* (unsigned char *) s) && *s != '\0')
406 /* Have we reached the end of the string? */
415 void add_exclude_line(struct exclude_struct ***listp,
416 const char *line, int include)
419 if (!line || !*line) return;
421 if (!p) out_of_memory("add_exclude_line");
422 for (tok=get_exclude_tok(p); tok; tok=get_exclude_tok(NULL))
423 add_exclude(listp, tok, include);
428 static char *cvs_ignore_list[] = {
429 "RCS/", "SCCS/", "CVS/", ".svn/", "CVS.adm", "RCSLOG", "cvslog.*",
430 "tags", "TAGS", ".make.state", ".nse_depinfo",
431 "*~", "#*", ".#*", ", *", "*.old", "*.bak", "*.BAK", "*.orig",
432 "*.rej", ".del-*", "*.a", "*.o", "*.obj", "*.so", "*.Z", "*.elc", "*.ln",
436 void add_cvs_excludes(void)
438 char fname[MAXPATHLEN];
442 for (i=0; cvs_ignore_list[i]; i++)
443 add_exclude(&exclude_list, cvs_ignore_list[i], ADD_EXCLUDE);
445 if ((p = getenv("HOME"))
446 && pathjoin(fname, sizeof fname, p, ".cvsignore") < sizeof fname)
447 add_exclude_file(&exclude_list, fname, MISSING_OK, ADD_EXCLUDE);
449 add_exclude_line(&exclude_list, getenv("CVSIGNORE"), ADD_EXCLUDE);