Commit | Line | Data |
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0f78b815 WD |
1 | /* |
2 | * The filter include/exclude routines. | |
0f2ac855 | 3 | * |
0f78b815 WD |
4 | * Copyright (C) 1996-2001 Andrew Tridgell <tridge@samba.org> |
5 | * Copyright (C) 1996 Paul Mackerras | |
6 | * Copyright (C) 2002 Martin Pool | |
d3d07a5e | 7 | * Copyright (C) 2003-2008 Wayne Davison |
0f2ac855 | 8 | * |
07a874fd | 9 | * This program is free software; you can redistribute it and/or modify |
8e41b68e WD |
10 | * it under the terms of the GNU General Public License as published by |
11 | * the Free Software Foundation; either version 3 of the License, or | |
12 | * (at your option) any later version. | |
0f2ac855 | 13 | * |
07a874fd MP |
14 | * This program is distributed in the hope that it will be useful, |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
0f2ac855 | 18 | * |
e7c67065 | 19 | * You should have received a copy of the GNU General Public License along |
4fd842f9 | 20 | * with this program; if not, visit the http://fsf.org website. |
07a874fd | 21 | */ |
c627d613 | 22 | |
c627d613 AT |
23 | #include "rsync.h" |
24 | ||
5a016db9 | 25 | extern int am_server; |
fdc79501 | 26 | extern int am_sender; |
40d38dc0 | 27 | extern int eol_nulls; |
6dfd07d0 | 28 | extern int io_error; |
1412da7c | 29 | extern int local_server; |
d5782b52 | 30 | extern int prune_empty_dirs; |
ccdb23bb | 31 | extern int ignore_perishable; |
fdc79501 WD |
32 | extern int delete_mode; |
33 | extern int delete_excluded; | |
34 | extern int cvs_exclude; | |
6dfd07d0 WD |
35 | extern int sanitize_paths; |
36 | extern int protocol_version; | |
bf39270e | 37 | extern int module_id; |
40d38dc0 | 38 | |
b791d680 | 39 | extern char curr_dir[MAXPATHLEN]; |
6dfd07d0 WD |
40 | extern unsigned int curr_dir_len; |
41 | extern unsigned int module_dirlen; | |
c627d613 | 42 | |
daa8d920 MM |
43 | struct filter_list_struct filter_list = { 0, 0, 0, "" }; |
44 | struct filter_list_struct cvs_filter_list = { 0, 0, 0, " [global CVS]" }; | |
45 | struct filter_list_struct daemon_filter_list = { 0, 0, 0, " [daemon]" }; | |
c627d613 | 46 | |
6dfd07d0 | 47 | /* Need room enough for ":MODS " prefix plus some room to grow. */ |
7842418b | 48 | #define MAX_RULE_PREFIX (16) |
6dfd07d0 | 49 | |
d727f0ff | 50 | #define MODIFIERS_MERGE_FILE "-+Cenw" |
ccdb23bb WD |
51 | #define MODIFIERS_INCL_EXCL "/!Crsp" |
52 | #define MODIFIERS_HIDE_PROTECT "/!p" | |
b6f06b8e | 53 | |
f5aeb6ff WD |
54 | #define SLASH_WILD3_SUFFIX "/***" |
55 | ||
7842418b | 56 | /* The dirbuf is set by push_local_filters() to the current subdirectory |
6dfd07d0 WD |
57 | * relative to curr_dir that is being processed. The path always has a |
58 | * trailing slash appended, and the variable dirbuf_len contains the length | |
59 | * of this path prefix. The path is always absolute. */ | |
60 | static char dirbuf[MAXPATHLEN+1]; | |
61 | static unsigned int dirbuf_len = 0; | |
62 | static int dirbuf_depth; | |
63 | ||
64 | /* This is True when we're scanning parent dirs for per-dir merge-files. */ | |
65 | static BOOL parent_dirscan = False; | |
66 | ||
67 | /* This array contains a list of all the currently active per-dir merge | |
68 | * files. This makes it easier to save the appropriate values when we | |
69 | * "push" down into each subdirectory. */ | |
7842418b | 70 | static struct filter_struct **mergelist_parents; |
6dfd07d0 WD |
71 | static int mergelist_cnt = 0; |
72 | static int mergelist_size = 0; | |
73 | ||
7842418b | 74 | /* Each filter_list_struct describes a singly-linked list by keeping track |
6dfd07d0 WD |
75 | * of both the head and tail pointers. The list is slightly unusual in that |
76 | * a parent-dir's content can be appended to the end of the local list in a | |
77 | * special way: the last item in the local list has its "next" pointer set | |
78 | * to point to the inherited list, but the local list's tail pointer points | |
79 | * at the end of the local list. Thus, if the local list is empty, the head | |
80 | * will be pointing at the inherited content but the tail will be NULL. To | |
81 | * help you visualize this, here are the possible list arrangements: | |
82 | * | |
83 | * Completely Empty Local Content Only | |
84 | * ================================== ==================================== | |
85 | * head -> NULL head -> Local1 -> Local2 -> NULL | |
86 | * tail -> NULL tail -------------^ | |
87 | * | |
88 | * Inherited Content Only Both Local and Inherited Content | |
89 | * ================================== ==================================== | |
90 | * head -> Parent1 -> Parent2 -> NULL head -> L1 -> L2 -> P1 -> P2 -> NULL | |
91 | * tail -> NULL tail ---------^ | |
92 | * | |
93 | * This means that anyone wanting to traverse the whole list to use it just | |
94 | * needs to start at the head and use the "next" pointers until it goes | |
95 | * NULL. To add new local content, we insert the item after the tail item | |
96 | * and update the tail (obviously, if "tail" was NULL, we insert it at the | |
97 | * head). To clear the local list, WE MUST NOT FREE THE INHERITED CONTENT | |
98 | * because it is shared between the current list and our parent list(s). | |
99 | * The easiest way to handle this is to simply truncate the list after the | |
100 | * tail item and then free the local list from the head. When inheriting | |
7842418b | 101 | * the list for a new local dir, we just save off the filter_list_struct |
6dfd07d0 WD |
102 | * values (so we can pop back to them later) and set the tail to NULL. |
103 | */ | |
104 | ||
daa8d920 MM |
105 | static void teardown_mergelist(struct filter_struct *ex) |
106 | { | |
107 | if (DEBUG_GTE(FILTER, 2)) | |
108 | rprintf(FINFO, "[%s] deactivating mergelist #%d%s\n", | |
109 | who_am_i(), mergelist_cnt - 1, | |
110 | ex->u.mergelist->debug_type); | |
111 | ||
112 | /* We should deactivate mergelists in LIFO order. */ | |
113 | assert(mergelist_cnt > 0); | |
114 | assert(ex == mergelist_parents[mergelist_cnt - 1]); | |
115 | ||
116 | /* The parent_dirscan filters should have been freed. */ | |
117 | assert(ex->u.mergelist->parent_dirscan_head == NULL); | |
118 | ||
119 | free(ex->u.mergelist->debug_type); | |
120 | free(ex->u.mergelist); | |
121 | mergelist_cnt--; | |
122 | } | |
123 | ||
7842418b | 124 | static void free_filter(struct filter_struct *ex) |
6dfd07d0 | 125 | { |
daa8d920 MM |
126 | if (ex->match_flags & MATCHFLG_PERDIR_MERGE) |
127 | teardown_mergelist(ex); | |
6dfd07d0 WD |
128 | free(ex->pattern); |
129 | free(ex); | |
130 | } | |
131 | ||
daa8d920 MM |
132 | static void free_filters(struct filter_struct *head) |
133 | { | |
134 | struct filter_struct *rev_head = NULL; | |
135 | ||
136 | /* Reverse the list so we deactivate mergelists in the proper LIFO | |
137 | * order. */ | |
138 | while (head) { | |
139 | struct filter_struct *next = head->next; | |
140 | head->next = rev_head; | |
141 | rev_head = head; | |
142 | head = next; | |
143 | } | |
144 | ||
145 | while (rev_head) { | |
146 | struct filter_struct *prev = rev_head->next; | |
147 | free_filter(rev_head); | |
148 | rev_head = prev; | |
149 | } | |
150 | } | |
151 | ||
7842418b | 152 | /* Build a filter structure given a filter pattern. The value in "pat" |
6dfd07d0 | 153 | * is not null-terminated. */ |
fdc79501 WD |
154 | static void add_rule(struct filter_list_struct *listp, const char *pat, |
155 | unsigned int pat_len, uint32 mflags, int xflags) | |
c627d613 | 156 | { |
7842418b | 157 | struct filter_struct *ret; |
f8f72644 | 158 | const char *cp; |
f5aeb6ff | 159 | unsigned int pre_len, suf_len, slash_cnt = 0; |
c627d613 | 160 | |
951e826b | 161 | if (DEBUG_GTE(FILTER, 2)) { |
fdc79501 WD |
162 | rprintf(FINFO, "[%s] add_rule(%s%.*s%s)%s\n", |
163 | who_am_i(), get_rule_prefix(mflags, pat, 0, NULL), | |
164 | (int)pat_len, pat, | |
165 | (mflags & MATCHFLG_DIRECTORY) ? "/" : "", | |
6dfd07d0 WD |
166 | listp->debug_type); |
167 | } | |
168 | ||
4fc8140a | 169 | /* These flags also indicate that we're reading a list that |
6d7b3d52 | 170 | * needs to be filtered now, not post-filtered later. */ |
4fc8140a | 171 | if (xflags & (XFLG_ANCHORED2ABS|XFLG_ABS_IF_SLASH)) { |
6d7b3d52 WD |
172 | uint32 mf = mflags & (MATCHFLG_RECEIVER_SIDE|MATCHFLG_SENDER_SIDE); |
173 | if (am_sender) { | |
174 | if (mf == MATCHFLG_RECEIVER_SIDE) | |
175 | return; | |
176 | } else { | |
177 | if (mf == MATCHFLG_SENDER_SIDE) | |
178 | return; | |
179 | } | |
180 | } | |
181 | ||
7e4b6b7b | 182 | if (!(ret = new0(struct filter_struct))) |
fdc79501 | 183 | out_of_memory("add_rule"); |
2b6b4d53 | 184 | |
4c74d44d WD |
185 | if (pat_len > 1 && pat[pat_len-1] == '/') { |
186 | pat_len--; | |
187 | mflags |= MATCHFLG_DIRECTORY; | |
188 | } | |
189 | ||
190 | for (cp = pat; cp < pat + pat_len; cp++) { | |
191 | if (*cp == '/') | |
192 | slash_cnt++; | |
193 | } | |
194 | ||
4fc8140a WD |
195 | if (!(mflags & (MATCHFLG_ABS_PATH | MATCHFLG_MERGE_FILE)) |
196 | && ((xflags & (XFLG_ANCHORED2ABS|XFLG_ABS_IF_SLASH) && *pat == '/') | |
4c74d44d | 197 | || (xflags & XFLG_ABS_IF_SLASH && slash_cnt))) { |
bf39270e | 198 | mflags |= MATCHFLG_ABS_PATH; |
4fc8140a | 199 | if (*pat == '/') |
4a86fbcd | 200 | pre_len = dirbuf_len - module_dirlen - 1; |
4fc8140a | 201 | else |
4a86fbcd | 202 | pre_len = 0; |
6dfd07d0 | 203 | } else |
4a86fbcd | 204 | pre_len = 0; |
4c74d44d | 205 | |
f5aeb6ff WD |
206 | /* The daemon wants dir-exclude rules to get an appended "/" + "***". */ |
207 | if (xflags & XFLG_DIR2WILD3 | |
208 | && BITS_SETnUNSET(mflags, MATCHFLG_DIRECTORY, MATCHFLG_INCLUDE)) { | |
209 | mflags &= ~MATCHFLG_DIRECTORY; | |
210 | suf_len = sizeof SLASH_WILD3_SUFFIX - 1; | |
211 | } else | |
212 | suf_len = 0; | |
213 | ||
214 | if (!(ret->pattern = new_array(char, pre_len + pat_len + suf_len + 1))) | |
fdc79501 | 215 | out_of_memory("add_rule"); |
4c74d44d | 216 | if (pre_len) { |
4a86fbcd | 217 | memcpy(ret->pattern, dirbuf + module_dirlen, pre_len); |
4c74d44d WD |
218 | for (cp = ret->pattern; cp < ret->pattern + pre_len; cp++) { |
219 | if (*cp == '/') | |
220 | slash_cnt++; | |
221 | } | |
222 | } | |
4a86fbcd WD |
223 | strlcpy(ret->pattern + pre_len, pat, pat_len + 1); |
224 | pat_len += pre_len; | |
f5aeb6ff WD |
225 | if (suf_len) { |
226 | memcpy(ret->pattern + pat_len, SLASH_WILD3_SUFFIX, suf_len+1); | |
227 | pat_len += suf_len; | |
228 | slash_cnt++; | |
229 | } | |
f8f72644 WD |
230 | |
231 | if (strpbrk(ret->pattern, "*[?")) { | |
5e972dcf | 232 | mflags |= MATCHFLG_WILD; |
96d3590a | 233 | if ((cp = strstr(ret->pattern, "**")) != NULL) { |
5e972dcf | 234 | mflags |= MATCHFLG_WILD2; |
170381c0 | 235 | /* If the pattern starts with **, note that. */ |
96d3590a | 236 | if (cp == ret->pattern) |
5e972dcf | 237 | mflags |= MATCHFLG_WILD2_PREFIX; |
e5daa273 WD |
238 | /* If the pattern ends with ***, note that. */ |
239 | if (pat_len >= 3 | |
240 | && ret->pattern[pat_len-3] == '*' | |
241 | && ret->pattern[pat_len-2] == '*' | |
242 | && ret->pattern[pat_len-1] == '*') | |
243 | mflags |= MATCHFLG_WILD3_SUFFIX; | |
0f2ac855 | 244 | } |
2bca43f6 | 245 | } |
c627d613 | 246 | |
6dfd07d0 | 247 | if (mflags & MATCHFLG_PERDIR_MERGE) { |
7842418b | 248 | struct filter_list_struct *lp; |
6dfd07d0 WD |
249 | unsigned int len; |
250 | int i; | |
251 | ||
252 | if ((cp = strrchr(ret->pattern, '/')) != NULL) | |
253 | cp++; | |
254 | else | |
255 | cp = ret->pattern; | |
256 | ||
257 | /* If the local merge file was already mentioned, don't | |
258 | * add it again. */ | |
259 | for (i = 0; i < mergelist_cnt; i++) { | |
7842418b | 260 | struct filter_struct *ex = mergelist_parents[i]; |
6dfd07d0 WD |
261 | const char *s = strrchr(ex->pattern, '/'); |
262 | if (s) | |
bf39270e | 263 | s++; |
6dfd07d0 | 264 | else |
bf39270e | 265 | s = ex->pattern; |
6dfd07d0 WD |
266 | len = strlen(s); |
267 | if (len == pat_len - (cp - ret->pattern) | |
268 | && memcmp(s, cp, len) == 0) { | |
7842418b | 269 | free_filter(ret); |
6dfd07d0 WD |
270 | return; |
271 | } | |
272 | } | |
273 | ||
7842418b | 274 | if (!(lp = new_array(struct filter_list_struct, 1))) |
fdc79501 | 275 | out_of_memory("add_rule"); |
daa8d920 | 276 | lp->head = lp->tail = lp->parent_dirscan_head = NULL; |
fdc79501 WD |
277 | if (asprintf(&lp->debug_type, " [per-dir %s]", cp) < 0) |
278 | out_of_memory("add_rule"); | |
6dfd07d0 WD |
279 | ret->u.mergelist = lp; |
280 | ||
281 | if (mergelist_cnt == mergelist_size) { | |
282 | mergelist_size += 5; | |
283 | mergelist_parents = realloc_array(mergelist_parents, | |
7842418b | 284 | struct filter_struct *, |
6dfd07d0 WD |
285 | mergelist_size); |
286 | if (!mergelist_parents) | |
fdc79501 | 287 | out_of_memory("add_rule"); |
6dfd07d0 | 288 | } |
daa8d920 MM |
289 | if (DEBUG_GTE(FILTER, 2)) |
290 | rprintf(FINFO, "[%s] activating mergelist #%d%s\n", | |
291 | who_am_i(), mergelist_cnt, lp->debug_type); | |
6dfd07d0 | 292 | mergelist_parents[mergelist_cnt++] = ret; |
4c74d44d WD |
293 | } else |
294 | ret->u.slash_cnt = slash_cnt; | |
0944563e | 295 | |
c1b29492 WD |
296 | ret->match_flags = mflags; |
297 | ||
6dfd07d0 WD |
298 | if (!listp->tail) { |
299 | ret->next = listp->head; | |
b2aa573b | 300 | listp->head = listp->tail = ret; |
6dfd07d0 WD |
301 | } else { |
302 | ret->next = listp->tail->next; | |
b2aa573b WD |
303 | listp->tail->next = ret; |
304 | listp->tail = ret; | |
305 | } | |
2b6b4d53 AT |
306 | } |
307 | ||
7842418b | 308 | static void clear_filter_list(struct filter_list_struct *listp) |
2b6b4d53 | 309 | { |
6dfd07d0 | 310 | if (listp->tail) { |
6dfd07d0 WD |
311 | /* Truncate any inherited items from the local list. */ |
312 | listp->tail->next = NULL; | |
313 | /* Now free everything that is left. */ | |
daa8d920 | 314 | free_filters(listp->head); |
6dfd07d0 WD |
315 | } |
316 | ||
317 | listp->head = listp->tail = NULL; | |
2b6b4d53 | 318 | } |
c627d613 | 319 | |
6dfd07d0 WD |
320 | /* This returns an expanded (absolute) filename for the merge-file name if |
321 | * the name has any slashes in it OR if the parent_dirscan var is True; | |
322 | * otherwise it returns the original merge_file name. If the len_ptr value | |
323 | * is non-NULL the merge_file name is limited by the referenced length | |
324 | * value and will be updated with the length of the resulting name. We | |
325 | * always return a name that is null terminated, even if the merge_file | |
326 | * name was not. */ | |
327 | static char *parse_merge_name(const char *merge_file, unsigned int *len_ptr, | |
328 | unsigned int prefix_skip) | |
5be7fa93 | 329 | { |
6dfd07d0 WD |
330 | static char buf[MAXPATHLEN]; |
331 | char *fn, tmpbuf[MAXPATHLEN]; | |
332 | unsigned int fn_len; | |
333 | ||
334 | if (!parent_dirscan && *merge_file != '/') { | |
335 | /* Return the name unchanged it doesn't have any slashes. */ | |
336 | if (len_ptr) { | |
337 | const char *p = merge_file + *len_ptr; | |
338 | while (--p > merge_file && *p != '/') {} | |
339 | if (p == merge_file) { | |
340 | strlcpy(buf, merge_file, *len_ptr + 1); | |
341 | return buf; | |
342 | } | |
343 | } else if (strchr(merge_file, '/') == NULL) | |
344 | return (char *)merge_file; | |
345 | } | |
5be7fa93 | 346 | |
6dfd07d0 WD |
347 | fn = *merge_file == '/' ? buf : tmpbuf; |
348 | if (sanitize_paths) { | |
349 | const char *r = prefix_skip ? "/" : NULL; | |
350 | /* null-terminate the name if it isn't already */ | |
351 | if (len_ptr && merge_file[*len_ptr]) { | |
352 | char *to = fn == buf ? tmpbuf : buf; | |
353 | strlcpy(to, merge_file, *len_ptr + 1); | |
354 | merge_file = to; | |
355 | } | |
d48810ba | 356 | if (!sanitize_path(fn, merge_file, r, dirbuf_depth, SP_DEFAULT)) { |
6dfd07d0 | 357 | rprintf(FERROR, "merge-file name overflows: %s\n", |
45c49b52 | 358 | merge_file); |
6dfd07d0 WD |
359 | return NULL; |
360 | } | |
798cde47 | 361 | fn_len = strlen(fn); |
6dfd07d0 WD |
362 | } else { |
363 | strlcpy(fn, merge_file, len_ptr ? *len_ptr + 1 : MAXPATHLEN); | |
b58bfb2f | 364 | fn_len = clean_fname(fn, CFN_COLLAPSE_DOT_DOT_DIRS); |
b2aa573b | 365 | } |
0f78b815 | 366 | |
798cde47 WD |
367 | /* If the name isn't in buf yet, it's wasn't absolute. */ |
368 | if (fn != buf) { | |
9793bbb3 WD |
369 | int d_len = dirbuf_len - prefix_skip; |
370 | if (d_len + fn_len >= MAXPATHLEN) { | |
798cde47 WD |
371 | rprintf(FERROR, "merge-file name overflows: %s\n", fn); |
372 | return NULL; | |
373 | } | |
9793bbb3 WD |
374 | memcpy(buf, dirbuf + prefix_skip, d_len); |
375 | memcpy(buf + d_len, fn, fn_len + 1); | |
b58bfb2f | 376 | fn_len = clean_fname(buf, CFN_COLLAPSE_DOT_DOT_DIRS); |
6dfd07d0 | 377 | } |
6dfd07d0 | 378 | |
6dfd07d0 WD |
379 | if (len_ptr) |
380 | *len_ptr = fn_len; | |
381 | return buf; | |
382 | } | |
5be7fa93 | 383 | |
6dfd07d0 | 384 | /* Sets the dirbuf and dirbuf_len values. */ |
7842418b | 385 | void set_filter_dir(const char *dir, unsigned int dirlen) |
6dfd07d0 WD |
386 | { |
387 | unsigned int len; | |
388 | if (*dir != '/') { | |
389 | memcpy(dirbuf, curr_dir, curr_dir_len); | |
390 | dirbuf[curr_dir_len] = '/'; | |
391 | len = curr_dir_len + 1; | |
392 | if (len + dirlen >= MAXPATHLEN) | |
393 | dirlen = 0; | |
394 | } else | |
395 | len = 0; | |
396 | memcpy(dirbuf + len, dir, dirlen); | |
397 | dirbuf[dirlen + len] = '\0'; | |
b58bfb2f | 398 | dirbuf_len = clean_fname(dirbuf, CFN_COLLAPSE_DOT_DOT_DIRS); |
6dfd07d0 WD |
399 | if (dirbuf_len > 1 && dirbuf[dirbuf_len-1] == '.' |
400 | && dirbuf[dirbuf_len-2] == '/') | |
401 | dirbuf_len -= 2; | |
402 | if (dirbuf_len != 1) | |
403 | dirbuf[dirbuf_len++] = '/'; | |
404 | dirbuf[dirbuf_len] = '\0'; | |
405 | if (sanitize_paths) | |
406 | dirbuf_depth = count_dir_elements(dirbuf + module_dirlen); | |
407 | } | |
408 | ||
409 | /* This routine takes a per-dir merge-file entry and finishes its setup. | |
410 | * If the name has a path portion then we check to see if it refers to a | |
411 | * parent directory of the first transfer dir. If it does, we scan all the | |
412 | * dirs from that point through the parent dir of the transfer dir looking | |
413 | * for the per-dir merge-file in each one. */ | |
daa8d920 | 414 | static BOOL setup_merge_file(int mergelist_num, struct filter_struct *ex, |
b6f06b8e | 415 | struct filter_list_struct *lp) |
6dfd07d0 WD |
416 | { |
417 | char buf[MAXPATHLEN]; | |
418 | char *x, *y, *pat = ex->pattern; | |
419 | unsigned int len; | |
420 | ||
421 | if (!(x = parse_merge_name(pat, NULL, 0)) || *x != '/') | |
422 | return 0; | |
423 | ||
daa8d920 MM |
424 | if (DEBUG_GTE(FILTER, 2)) |
425 | rprintf(FINFO, "[%s] performing parent_dirscan for mergelist #%d%s\n", | |
426 | who_am_i(), mergelist_num, lp->debug_type); | |
6dfd07d0 WD |
427 | y = strrchr(x, '/'); |
428 | *y = '\0'; | |
429 | ex->pattern = strdup(y+1); | |
430 | if (!*x) | |
431 | x = "/"; | |
432 | if (*x == '/') | |
433 | strlcpy(buf, x, MAXPATHLEN); | |
434 | else | |
435 | pathjoin(buf, MAXPATHLEN, dirbuf, x); | |
436 | ||
b58bfb2f | 437 | len = clean_fname(buf, CFN_COLLAPSE_DOT_DOT_DIRS); |
6dfd07d0 WD |
438 | if (len != 1 && len < MAXPATHLEN-1) { |
439 | buf[len++] = '/'; | |
440 | buf[len] = '\0'; | |
441 | } | |
442 | /* This ensures that the specified dir is a parent of the transfer. */ | |
443 | for (x = buf, y = dirbuf; *x && *x == *y; x++, y++) {} | |
444 | if (*x) | |
445 | y += strlen(y); /* nope -- skip the scan */ | |
446 | ||
447 | parent_dirscan = True; | |
448 | while (*y) { | |
449 | char save[MAXPATHLEN]; | |
450 | strlcpy(save, y, MAXPATHLEN); | |
451 | *y = '\0'; | |
452 | dirbuf_len = y - dirbuf; | |
453 | strlcpy(x, ex->pattern, MAXPATHLEN - (x - buf)); | |
fdc79501 | 454 | parse_filter_file(lp, buf, ex->match_flags, XFLG_ANCHORED2ABS); |
daa8d920 MM |
455 | if (ex->match_flags & MATCHFLG_NO_INHERIT) { |
456 | /* Free the undesired rules to clean up any per-dir | |
457 | * mergelists they defined. Otherwise pop_local_filters | |
458 | * may crash trying to restore nonexistent state for | |
459 | * those mergelists. */ | |
460 | free_filters(lp->head); | |
6dfd07d0 | 461 | lp->head = NULL; |
daa8d920 | 462 | } |
6dfd07d0 WD |
463 | lp->tail = NULL; |
464 | strlcpy(y, save, MAXPATHLEN); | |
465 | while ((*x++ = *y++) != '/') {} | |
466 | } | |
daa8d920 MM |
467 | /* Save current head for freeing when the mergelist becomes inactive. */ |
468 | lp->parent_dirscan_head = lp->head; | |
6dfd07d0 | 469 | parent_dirscan = False; |
daa8d920 MM |
470 | if (DEBUG_GTE(FILTER, 2)) |
471 | rprintf(FINFO, "[%s] completed parent_dirscan for mergelist #%d%s\n", | |
472 | who_am_i(), mergelist_num, lp->debug_type); | |
6dfd07d0 WD |
473 | free(pat); |
474 | return 1; | |
475 | } | |
476 | ||
daa8d920 MM |
477 | struct local_filter_state { |
478 | int mergelist_cnt; | |
479 | struct filter_list_struct mergelists[0]; | |
480 | }; | |
481 | ||
6dfd07d0 WD |
482 | /* Each time rsync changes to a new directory it call this function to |
483 | * handle all the per-dir merge-files. The "dir" value is the current path | |
484 | * relative to curr_dir (which might not be null-terminated). We copy it | |
485 | * into dirbuf so that we can easily append a file name on the end. */ | |
7842418b | 486 | void *push_local_filters(const char *dir, unsigned int dirlen) |
6dfd07d0 | 487 | { |
daa8d920 | 488 | struct local_filter_state *push; |
6dfd07d0 WD |
489 | int i; |
490 | ||
7842418b | 491 | set_filter_dir(dir, dirlen); |
daa8d920 MM |
492 | if (DEBUG_GTE(FILTER, 2)) |
493 | rprintf(FINFO, "[%s] pushing local filters for %s\n", | |
494 | who_am_i(), dirbuf); | |
6dfd07d0 | 495 | |
a2b371cd | 496 | if (!mergelist_cnt) |
daa8d920 | 497 | /* No old state to save and no new merge files to push. */ |
a2b371cd WD |
498 | return NULL; |
499 | ||
daa8d920 MM |
500 | push = (struct local_filter_state *) malloc(sizeof (struct local_filter_state) |
501 | + mergelist_cnt * sizeof (struct filter_list_struct)); | |
6dfd07d0 | 502 | if (!push) |
7842418b | 503 | out_of_memory("push_local_filters"); |
6dfd07d0 | 504 | |
daa8d920 MM |
505 | push->mergelist_cnt = mergelist_cnt; |
506 | for (i = 0; i < mergelist_cnt; i++) { | |
507 | memcpy(&push->mergelists[i], mergelist_parents[i]->u.mergelist, | |
7842418b | 508 | sizeof (struct filter_list_struct)); |
6dfd07d0 WD |
509 | } |
510 | ||
fdc79501 | 511 | /* Note: parse_filter_file() might increase mergelist_cnt, so keep |
6dfd07d0 WD |
512 | * this loop separate from the above loop. */ |
513 | for (i = 0; i < mergelist_cnt; i++) { | |
7842418b WD |
514 | struct filter_struct *ex = mergelist_parents[i]; |
515 | struct filter_list_struct *lp = ex->u.mergelist; | |
6dfd07d0 | 516 | |
951e826b | 517 | if (DEBUG_GTE(FILTER, 2)) { |
daa8d920 MM |
518 | rprintf(FINFO, "[%s] pushing mergelist #%d%s\n", |
519 | who_am_i(), i, lp->debug_type); | |
6dfd07d0 WD |
520 | } |
521 | ||
522 | lp->tail = NULL; /* Switch any local rules to inherited. */ | |
523 | if (ex->match_flags & MATCHFLG_NO_INHERIT) | |
524 | lp->head = NULL; | |
6dfd07d0 WD |
525 | |
526 | if (ex->match_flags & MATCHFLG_FINISH_SETUP) { | |
527 | ex->match_flags &= ~MATCHFLG_FINISH_SETUP; | |
daa8d920 | 528 | if (setup_merge_file(i, ex, lp)) |
7842418b | 529 | set_filter_dir(dir, dirlen); |
6dfd07d0 WD |
530 | } |
531 | ||
532 | if (strlcpy(dirbuf + dirbuf_len, ex->pattern, | |
b6f06b8e | 533 | MAXPATHLEN - dirbuf_len) < MAXPATHLEN - dirbuf_len) { |
fdc79501 WD |
534 | parse_filter_file(lp, dirbuf, ex->match_flags, |
535 | XFLG_ANCHORED2ABS); | |
b6f06b8e | 536 | } else { |
6dfd07d0 | 537 | io_error |= IOERR_GENERAL; |
342bfb5e | 538 | rprintf(FERROR, |
7842418b | 539 | "cannot add local filter rules in long-named directory: %s\n", |
6dfd07d0 WD |
540 | full_fname(dirbuf)); |
541 | } | |
542 | dirbuf[dirbuf_len] = '\0'; | |
543 | } | |
544 | ||
545 | return (void*)push; | |
546 | } | |
547 | ||
7842418b | 548 | void pop_local_filters(void *mem) |
6dfd07d0 | 549 | { |
daa8d920 | 550 | struct local_filter_state *pop = (struct local_filter_state *)mem; |
6dfd07d0 | 551 | int i; |
daa8d920 MM |
552 | int old_mergelist_cnt = pop ? pop->mergelist_cnt : 0; |
553 | ||
554 | if (DEBUG_GTE(FILTER, 2)) | |
555 | rprintf(FINFO, "[%s] popping local filters\n", who_am_i()); | |
6dfd07d0 WD |
556 | |
557 | for (i = mergelist_cnt; i-- > 0; ) { | |
7842418b WD |
558 | struct filter_struct *ex = mergelist_parents[i]; |
559 | struct filter_list_struct *lp = ex->u.mergelist; | |
6dfd07d0 | 560 | |
951e826b | 561 | if (DEBUG_GTE(FILTER, 2)) { |
daa8d920 MM |
562 | rprintf(FINFO, "[%s] popping mergelist #%d%s\n", |
563 | who_am_i(), i, lp->debug_type); | |
6dfd07d0 WD |
564 | } |
565 | ||
7842418b | 566 | clear_filter_list(lp); |
daa8d920 MM |
567 | |
568 | if (i >= old_mergelist_cnt) { | |
569 | /* This mergelist does not exist in the state to be | |
570 | * restored. Free its parent_dirscan list to clean up | |
571 | * any per-dir mergelists defined there so we don't | |
572 | * crash trying to restore nonexistent state for them | |
573 | * below. (Counterpart to setup_merge_file call in | |
574 | * push_local_filters. Must be done here, not in | |
575 | * free_filter, for LIFO order.) */ | |
576 | if (DEBUG_GTE(FILTER, 2)) | |
577 | rprintf(FINFO, "[%s] freeing parent_dirscan filters of mergelist #%d%s\n", | |
578 | who_am_i(), i, ex->u.mergelist->debug_type); | |
579 | free_filters(lp->parent_dirscan_head); | |
580 | lp->parent_dirscan_head = NULL; | |
581 | } | |
6dfd07d0 WD |
582 | } |
583 | ||
daa8d920 MM |
584 | /* If we cleaned things up properly, the only still-active mergelists |
585 | * should be those with a state to be restored. */ | |
586 | assert(mergelist_cnt == old_mergelist_cnt); | |
587 | ||
a2b371cd | 588 | if (!pop) |
daa8d920 | 589 | /* No state to restore. */ |
a2b371cd WD |
590 | return; |
591 | ||
daa8d920 MM |
592 | for (i = 0; i < mergelist_cnt; i++) { |
593 | memcpy(mergelist_parents[i]->u.mergelist, &pop->mergelists[i], | |
7842418b | 594 | sizeof (struct filter_list_struct)); |
6dfd07d0 WD |
595 | } |
596 | ||
597 | free(pop); | |
5be7fa93 WD |
598 | } |
599 | ||
fe04532a WD |
600 | void change_local_filter_dir(const char *dname, int dlen, int dir_depth) |
601 | { | |
7fa60281 | 602 | static int cur_depth = -1; |
fe04532a WD |
603 | static void *filt_array[MAXPATHLEN/2+1]; |
604 | ||
605 | if (!dname) { | |
7fa60281 WD |
606 | for ( ; cur_depth >= 0; cur_depth--) { |
607 | if (filt_array[cur_depth]) { | |
608 | pop_local_filters(filt_array[cur_depth]); | |
609 | filt_array[cur_depth] = NULL; | |
610 | } | |
611 | } | |
fe04532a WD |
612 | return; |
613 | } | |
614 | ||
615 | assert(dir_depth < MAXPATHLEN/2+1); | |
616 | ||
7fa60281 WD |
617 | for ( ; cur_depth >= dir_depth; cur_depth--) { |
618 | if (filt_array[cur_depth]) { | |
619 | pop_local_filters(filt_array[cur_depth]); | |
620 | filt_array[cur_depth] = NULL; | |
621 | } | |
622 | } | |
fe04532a | 623 | |
7fa60281 | 624 | cur_depth = dir_depth; |
fe04532a WD |
625 | filt_array[cur_depth] = push_local_filters(dname, dlen); |
626 | } | |
627 | ||
ffe8feb2 | 628 | static int rule_matches(const char *fname, struct filter_struct *ex, int name_is_dir) |
2b6b4d53 | 629 | { |
e5daa273 | 630 | int slash_handling, str_cnt = 0, anchored_match = 0; |
f2ae9e85 | 631 | int ret_match = ex->match_flags & MATCHFLG_NEGATE ? 0 : 1; |
e5daa273 WD |
632 | char *p, *pattern = ex->pattern; |
633 | const char *strings[16]; /* more than enough */ | |
ffe8feb2 | 634 | const char *name = fname + (*fname == '/'); |
2b6b4d53 | 635 | |
9f186578 WD |
636 | if (!*name) |
637 | return 0; | |
638 | ||
6dfd07d0 | 639 | if (!ex->u.slash_cnt && !(ex->match_flags & MATCHFLG_WILD2)) { |
770de899 WD |
640 | /* If the pattern does not have any slashes AND it does |
641 | * not have a "**" (which could match a slash), then we | |
642 | * just match the name portion of the path. */ | |
5be7fa93 WD |
643 | if ((p = strrchr(name,'/')) != NULL) |
644 | name = p+1; | |
c291d057 | 645 | } else if (ex->match_flags & MATCHFLG_ABS_PATH && *fname != '/' |
6dfd07d0 | 646 | && curr_dir_len > module_dirlen + 1) { |
770de899 WD |
647 | /* If we're matching against an absolute-path pattern, |
648 | * we need to prepend our full path info. */ | |
e5daa273 WD |
649 | strings[str_cnt++] = curr_dir + module_dirlen + 1; |
650 | strings[str_cnt++] = "/"; | |
c291d057 | 651 | } else if (ex->match_flags & MATCHFLG_WILD2_PREFIX && *fname != '/') { |
e5daa273 WD |
652 | /* Allow "**"+"/" to match at the start of the string. */ |
653 | strings[str_cnt++] = "/"; | |
5be7fa93 | 654 | } |
e5daa273 WD |
655 | strings[str_cnt++] = name; |
656 | if (name_is_dir) { | |
657 | /* Allow a trailing "/"+"***" to match the directory. */ | |
658 | if (ex->match_flags & MATCHFLG_WILD3_SUFFIX) | |
659 | strings[str_cnt++] = "/"; | |
660 | } else if (ex->match_flags & MATCHFLG_DIRECTORY) | |
f2ae9e85 | 661 | return !ret_match; |
e5daa273 | 662 | strings[str_cnt] = NULL; |
2b6b4d53 | 663 | |
170381c0 | 664 | if (*pattern == '/') { |
770de899 | 665 | anchored_match = 1; |
2b6b4d53 AT |
666 | pattern++; |
667 | } | |
668 | ||
e5daa273 WD |
669 | if (!anchored_match && ex->u.slash_cnt |
670 | && !(ex->match_flags & MATCHFLG_WILD2)) { | |
170381c0 WD |
671 | /* A non-anchored match with an infix slash and no "**" |
672 | * needs to match the last slash_cnt+1 name elements. */ | |
e5daa273 WD |
673 | slash_handling = ex->u.slash_cnt + 1; |
674 | } else if (!anchored_match && !(ex->match_flags & MATCHFLG_WILD2_PREFIX) | |
675 | && ex->match_flags & MATCHFLG_WILD2) { | |
676 | /* A non-anchored match with an infix or trailing "**" (but not | |
677 | * a prefixed "**") needs to try matching after every slash. */ | |
678 | slash_handling = -1; | |
679 | } else { | |
680 | /* The pattern matches only at the start of the path or name. */ | |
681 | slash_handling = 0; | |
682 | } | |
683 | ||
684 | if (ex->match_flags & MATCHFLG_WILD) { | |
685 | if (wildmatch_array(pattern, strings, slash_handling)) | |
686 | return ret_match; | |
687 | } else if (str_cnt > 1) { | |
688 | if (litmatch_array(pattern, strings, slash_handling)) | |
f2ae9e85 | 689 | return ret_match; |
770de899 | 690 | } else if (anchored_match) { |
48ecccce | 691 | if (strcmp(name, pattern) == 0) |
f2ae9e85 | 692 | return ret_match; |
2b6b4d53 AT |
693 | } else { |
694 | int l1 = strlen(name); | |
ea2111d1 | 695 | int l2 = strlen(pattern); |
0f2ac855 | 696 | if (l2 <= l1 && |
ea2111d1 | 697 | strcmp(name+(l1-l2),pattern) == 0 && |
170381c0 | 698 | (l1==l2 || name[l1-(l2+1)] == '/')) { |
f2ae9e85 | 699 | return ret_match; |
c36cd317 | 700 | } |
2b6b4d53 AT |
701 | } |
702 | ||
f2ae9e85 | 703 | return !ret_match; |
c627d613 AT |
704 | } |
705 | ||
706 | ||
1df02d13 | 707 | static void report_filter_result(enum logcode code, char const *name, |
7842418b WD |
708 | struct filter_struct const *ent, |
709 | int name_is_dir, const char *type) | |
d567322f | 710 | { |
0f2ac855 | 711 | /* If a trailing slash is present to match only directories, |
fdc79501 | 712 | * then it is stripped out by add_rule(). So as a special |
0f2ac855 WD |
713 | * case we add it back in here. */ |
714 | ||
951e826b | 715 | if (DEBUG_GTE(FILTER, 1)) { |
d5782b52 WD |
716 | static char *actions[2][2] |
717 | = { {"show", "hid"}, {"risk", "protect"} }; | |
718 | const char *w = who_am_i(); | |
1df02d13 | 719 | rprintf(code, "[%s] %sing %s %s because of pattern %s%s%s\n", |
d5782b52 WD |
720 | w, actions[*w!='s'][!(ent->match_flags&MATCHFLG_INCLUDE)], |
721 | name_is_dir ? "directory" : "file", name, ent->pattern, | |
722 | ent->match_flags & MATCHFLG_DIRECTORY ? "/" : "", type); | |
ea847c62 | 723 | } |
d567322f MP |
724 | } |
725 | ||
726 | ||
727 | /* | |
a6536635 WD |
728 | * Return -1 if file "name" is defined to be excluded by the specified |
729 | * exclude list, 1 if it is included, and 0 if it was not matched. | |
d567322f | 730 | */ |
1df02d13 WD |
731 | int check_filter(struct filter_list_struct *listp, enum logcode code, |
732 | const char *name, int name_is_dir) | |
c627d613 | 733 | { |
7842418b | 734 | struct filter_struct *ent; |
c627d613 | 735 | |
b2aa573b | 736 | for (ent = listp->head; ent; ent = ent->next) { |
ccdb23bb WD |
737 | if (ignore_perishable && ent->match_flags & MATCHFLG_PERISHABLE) |
738 | continue; | |
6dfd07d0 | 739 | if (ent->match_flags & MATCHFLG_PERDIR_MERGE) { |
1df02d13 | 740 | int rc = check_filter(ent->u.mergelist, code, name, |
7842418b | 741 | name_is_dir); |
6dfd07d0 WD |
742 | if (rc) |
743 | return rc; | |
744 | continue; | |
745 | } | |
fdc79501 | 746 | if (ent->match_flags & MATCHFLG_CVS_IGNORE) { |
1df02d13 | 747 | int rc = check_filter(&cvs_filter_list, code, name, |
fdc79501 WD |
748 | name_is_dir); |
749 | if (rc) | |
750 | return rc; | |
751 | continue; | |
752 | } | |
7842418b | 753 | if (rule_matches(name, ent, name_is_dir)) { |
1df02d13 WD |
754 | report_filter_result(code, name, ent, name_is_dir, |
755 | listp->debug_type); | |
5e972dcf | 756 | return ent->match_flags & MATCHFLG_INCLUDE ? 1 : -1; |
0f2ac855 | 757 | } |
2b6b4d53 | 758 | } |
c627d613 | 759 | |
2b6b4d53 | 760 | return 0; |
c627d613 AT |
761 | } |
762 | ||
345e0988 | 763 | #define RULE_STRCMP(s,r) rule_strcmp((s), (r), sizeof (r) - 1) |
a1ac8edd | 764 | |
4adbb5f2 | 765 | static const uchar *rule_strcmp(const uchar *str, const char *rule, int rule_len) |
a1ac8edd | 766 | { |
4adbb5f2 | 767 | if (strncmp((char*)str, rule, rule_len) != 0) |
a1ac8edd WD |
768 | return NULL; |
769 | if (isspace(str[rule_len]) || str[rule_len] == '_' || !str[rule_len]) | |
770 | return str + rule_len - 1; | |
771 | if (str[rule_len] == ',') | |
772 | return str + rule_len; | |
773 | return NULL; | |
774 | } | |
c627d613 | 775 | |
f8f72644 WD |
776 | /* Get the next include/exclude arg from the string. The token will not |
777 | * be '\0' terminated, so use the returned length to limit the string. | |
778 | * Also, be sure to add this length to the returned pointer before passing | |
e425fbe8 | 779 | * it back to ask for the next token. This routine parses the "!" (list- |
b6f06b8e WD |
780 | * clearing) token and (depending on the mflags) the various prefixes. |
781 | * The *mflags_ptr value will be set on exit to the new MATCHFLG_* bits | |
782 | * for the current token. */ | |
fdc79501 WD |
783 | static const char *parse_rule_tok(const char *p, uint32 mflags, int xflags, |
784 | unsigned int *len_ptr, uint32 *mflags_ptr) | |
f8f72644 | 785 | { |
fdc79501 WD |
786 | const uchar *s = (const uchar *)p; |
787 | uint32 new_mflags; | |
788 | unsigned int len; | |
f8f72644 | 789 | |
b6f06b8e | 790 | if (mflags & MATCHFLG_WORD_SPLIT) { |
96d3590a WD |
791 | /* Skip over any initial whitespace. */ |
792 | while (isspace(*s)) | |
f8f72644 | 793 | s++; |
6dfd07d0 | 794 | /* Update to point to real start of rule. */ |
abca4eba | 795 | p = (const char *)s; |
f8f72644 | 796 | } |
6dfd07d0 WD |
797 | if (!*s) |
798 | return NULL; | |
799 | ||
b6f06b8e WD |
800 | new_mflags = mflags & MATCHFLGS_FROM_CONTAINER; |
801 | ||
802 | /* Figure out what kind of a filter rule "s" is pointing at. Note | |
803 | * that if MATCHFLG_NO_PREFIXES is set, the rule is either an include | |
804 | * or an exclude based on the inheritance of the MATCHFLG_INCLUDE | |
805 | * flag (above). XFLG_OLD_PREFIXES indicates a compatibility mode | |
806 | * for old include/exclude patterns where just "+ " and "- " are | |
807 | * allowed as optional prefixes. */ | |
808 | if (mflags & MATCHFLG_NO_PREFIXES) { | |
a1ac8edd | 809 | if (*s == '!' && mflags & MATCHFLG_CVS_IGNORE) |
b6f06b8e WD |
810 | new_mflags |= MATCHFLG_CLEAR_LIST; /* Tentative! */ |
811 | } else if (xflags & XFLG_OLD_PREFIXES) { | |
812 | if (*s == '-' && s[1] == ' ') { | |
813 | new_mflags &= ~MATCHFLG_INCLUDE; | |
814 | s += 2; | |
815 | } else if (*s == '+' && s[1] == ' ') { | |
816 | new_mflags |= MATCHFLG_INCLUDE; | |
817 | s += 2; | |
664cf327 | 818 | } else if (*s == '!') |
b6f06b8e WD |
819 | new_mflags |= MATCHFLG_CLEAR_LIST; /* Tentative! */ |
820 | } else { | |
a1ac8edd | 821 | char ch = 0, *mods = ""; |
6dfd07d0 | 822 | switch (*s) { |
a1ac8edd | 823 | case 'c': |
345e0988 | 824 | if ((s = RULE_STRCMP(s, "clear")) != NULL) |
a1ac8edd WD |
825 | ch = '!'; |
826 | break; | |
827 | case 'd': | |
345e0988 | 828 | if ((s = RULE_STRCMP(s, "dir-merge")) != NULL) |
a1ac8edd WD |
829 | ch = ':'; |
830 | break; | |
831 | case 'e': | |
345e0988 | 832 | if ((s = RULE_STRCMP(s, "exclude")) != NULL) |
a1ac8edd WD |
833 | ch = '-'; |
834 | break; | |
ed243f8c WD |
835 | case 'h': |
836 | if ((s = RULE_STRCMP(s, "hide")) != NULL) | |
837 | ch = 'H'; | |
838 | break; | |
a1ac8edd | 839 | case 'i': |
345e0988 | 840 | if ((s = RULE_STRCMP(s, "include")) != NULL) |
a1ac8edd WD |
841 | ch = '+'; |
842 | break; | |
843 | case 'm': | |
345e0988 | 844 | if ((s = RULE_STRCMP(s, "merge")) != NULL) |
a1ac8edd WD |
845 | ch = '.'; |
846 | break; | |
ed243f8c WD |
847 | case 'p': |
848 | if ((s = RULE_STRCMP(s, "protect")) != NULL) | |
849 | ch = 'P'; | |
850 | break; | |
851 | case 'r': | |
852 | if ((s = RULE_STRCMP(s, "risk")) != NULL) | |
853 | ch = 'R'; | |
854 | break; | |
855 | case 's': | |
856 | if ((s = RULE_STRCMP(s, "show")) != NULL) | |
857 | ch = 'S'; | |
858 | break; | |
a1ac8edd WD |
859 | default: |
860 | ch = *s; | |
64b761c1 WD |
861 | if (s[1] == ',') |
862 | s++; | |
a1ac8edd WD |
863 | break; |
864 | } | |
865 | switch (ch) { | |
6dfd07d0 | 866 | case ':': |
b6f06b8e WD |
867 | new_mflags |= MATCHFLG_PERDIR_MERGE |
868 | | MATCHFLG_FINISH_SETUP; | |
6dfd07d0 WD |
869 | /* FALL THROUGH */ |
870 | case '.': | |
b6f06b8e WD |
871 | new_mflags |= MATCHFLG_MERGE_FILE; |
872 | mods = MODIFIERS_INCL_EXCL MODIFIERS_MERGE_FILE; | |
6dfd07d0 WD |
873 | break; |
874 | case '+': | |
b6f06b8e | 875 | new_mflags |= MATCHFLG_INCLUDE; |
bf39270e | 876 | /* FALL THROUGH */ |
6dfd07d0 | 877 | case '-': |
b6f06b8e | 878 | mods = MODIFIERS_INCL_EXCL; |
6dfd07d0 | 879 | break; |
ed243f8c WD |
880 | case 'S': |
881 | new_mflags |= MATCHFLG_INCLUDE; | |
882 | /* FALL THROUGH */ | |
883 | case 'H': | |
884 | new_mflags |= MATCHFLG_SENDER_SIDE; | |
885 | mods = MODIFIERS_HIDE_PROTECT; | |
886 | break; | |
887 | case 'R': | |
888 | new_mflags |= MATCHFLG_INCLUDE; | |
889 | /* FALL THROUGH */ | |
890 | case 'P': | |
891 | new_mflags |= MATCHFLG_RECEIVER_SIDE; | |
892 | mods = MODIFIERS_HIDE_PROTECT; | |
893 | break; | |
6dfd07d0 | 894 | case '!': |
b6f06b8e | 895 | new_mflags |= MATCHFLG_CLEAR_LIST; |
6dfd07d0 WD |
896 | mods = NULL; |
897 | break; | |
898 | default: | |
ac1cb938 | 899 | rprintf(FERROR, "Unknown filter rule: `%s'\n", p); |
6dfd07d0 WD |
900 | exit_cleanup(RERR_SYNTAX); |
901 | } | |
bf39270e | 902 | while (mods && *++s && *s != ' ' && *s != '_') { |
6dfd07d0 | 903 | if (strchr(mods, *s) == NULL) { |
b6f06b8e | 904 | if (mflags & MATCHFLG_WORD_SPLIT && isspace(*s)) { |
6dfd07d0 WD |
905 | s--; |
906 | break; | |
907 | } | |
b6f06b8e | 908 | invalid: |
6dfd07d0 | 909 | rprintf(FERROR, |
b6f06b8e | 910 | "invalid modifier sequence at '%c' in filter rule: %s\n", |
6dfd07d0 WD |
911 | *s, p); |
912 | exit_cleanup(RERR_SYNTAX); | |
913 | } | |
914 | switch (*s) { | |
915 | case '-': | |
b6f06b8e WD |
916 | if (new_mflags & MATCHFLG_NO_PREFIXES) |
917 | goto invalid; | |
918 | new_mflags |= MATCHFLG_NO_PREFIXES; | |
6dfd07d0 WD |
919 | break; |
920 | case '+': | |
b6f06b8e WD |
921 | if (new_mflags & MATCHFLG_NO_PREFIXES) |
922 | goto invalid; | |
923 | new_mflags |= MATCHFLG_NO_PREFIXES | |
924 | | MATCHFLG_INCLUDE; | |
6dfd07d0 | 925 | break; |
bf39270e | 926 | case '/': |
b6f06b8e | 927 | new_mflags |= MATCHFLG_ABS_PATH; |
bf39270e | 928 | break; |
f2ae9e85 | 929 | case '!': |
b6f06b8e | 930 | new_mflags |= MATCHFLG_NEGATE; |
f2ae9e85 | 931 | break; |
6dfd07d0 | 932 | case 'C': |
b6f06b8e WD |
933 | if (new_mflags & MATCHFLG_NO_PREFIXES) |
934 | goto invalid; | |
b6f06b8e WD |
935 | new_mflags |= MATCHFLG_NO_PREFIXES |
936 | | MATCHFLG_WORD_SPLIT | |
fdc79501 WD |
937 | | MATCHFLG_NO_INHERIT |
938 | | MATCHFLG_CVS_IGNORE; | |
6dfd07d0 WD |
939 | break; |
940 | case 'e': | |
b6f06b8e | 941 | new_mflags |= MATCHFLG_EXCLUDE_SELF; |
6dfd07d0 WD |
942 | break; |
943 | case 'n': | |
b6f06b8e | 944 | new_mflags |= MATCHFLG_NO_INHERIT; |
6dfd07d0 | 945 | break; |
ccdb23bb WD |
946 | case 'p': |
947 | new_mflags |= MATCHFLG_PERISHABLE; | |
948 | break; | |
ed243f8c WD |
949 | case 'r': |
950 | new_mflags |= MATCHFLG_RECEIVER_SIDE; | |
951 | break; | |
952 | case 's': | |
953 | new_mflags |= MATCHFLG_SENDER_SIDE; | |
954 | break; | |
0b2901b7 | 955 | case 'w': |
b6f06b8e | 956 | new_mflags |= MATCHFLG_WORD_SPLIT; |
6dfd07d0 WD |
957 | break; |
958 | } | |
959 | } | |
960 | if (*s) | |
961 | s++; | |
6dfd07d0 WD |
962 | } |
963 | ||
b6f06b8e | 964 | if (mflags & MATCHFLG_WORD_SPLIT) { |
fdc79501 | 965 | const uchar *cp = s; |
96d3590a WD |
966 | /* Token ends at whitespace or the end of the string. */ |
967 | while (!isspace(*cp) && *cp != '\0') | |
968 | cp++; | |
969 | len = cp - s; | |
970 | } else | |
0eeb1cf8 | 971 | len = strlen((char*)s); |
96d3590a | 972 | |
b6f06b8e | 973 | if (new_mflags & MATCHFLG_CLEAR_LIST) { |
35a388b1 WD |
974 | if (!(mflags & MATCHFLG_NO_PREFIXES) |
975 | && !(xflags & XFLG_OLD_PREFIXES) && len) { | |
6dfd07d0 WD |
976 | rprintf(FERROR, |
977 | "'!' rule has trailing characters: %s\n", p); | |
978 | exit_cleanup(RERR_SYNTAX); | |
979 | } | |
980 | if (len > 1) | |
b6f06b8e | 981 | new_mflags &= ~MATCHFLG_CLEAR_LIST; |
fdc79501 | 982 | } else if (!len && !(new_mflags & MATCHFLG_CVS_IGNORE)) { |
6dfd07d0 WD |
983 | rprintf(FERROR, "unexpected end of filter rule: %s\n", p); |
984 | exit_cleanup(RERR_SYNTAX); | |
985 | } | |
986 | ||
f1678790 | 987 | /* --delete-excluded turns an un-modified include/exclude into a |
48ecccce WD |
988 | * sender-side rule. We also affect per-dir merge files that take |
989 | * no prefixes as a simple optimization. */ | |
f1678790 WD |
990 | if (delete_excluded |
991 | && !(new_mflags & (MATCHFLG_RECEIVER_SIDE|MATCHFLG_SENDER_SIDE)) | |
48ecccce WD |
992 | && (!(new_mflags & MATCHFLG_PERDIR_MERGE) |
993 | || new_mflags & MATCHFLG_NO_PREFIXES)) | |
f1678790 WD |
994 | new_mflags |= MATCHFLG_SENDER_SIDE; |
995 | ||
96d3590a | 996 | *len_ptr = len; |
b6f06b8e | 997 | *mflags_ptr = new_mflags; |
96d3590a | 998 | return (const char *)s; |
f8f72644 WD |
999 | } |
1000 | ||
1001 | ||
0f78b815 | 1002 | static char default_cvsignore[] = |
46db1850 WD |
1003 | /* These default ignored items come from the CVS manual. */ |
1004 | "RCS SCCS CVS CVS.adm RCSLOG cvslog.* tags TAGS" | |
1005 | " .make.state .nse_depinfo *~ #* .#* ,* _$* *$" | |
1006 | " *.old *.bak *.BAK *.orig *.rej .del-*" | |
1007 | " *.a *.olb *.o *.obj *.so *.exe" | |
1008 | " *.Z *.elc *.ln core" | |
1009 | /* The rest we added to suit ourself. */ | |
0485b451 | 1010 | " .svn/ .git/ .bzr/"; |
46db1850 WD |
1011 | |
1012 | static void get_cvs_excludes(uint32 mflags) | |
1013 | { | |
46db1850 | 1014 | static int initialized = 0; |
c2f0e4d9 | 1015 | char *p, fname[MAXPATHLEN]; |
46db1850 WD |
1016 | |
1017 | if (initialized) | |
1018 | return; | |
1019 | initialized = 1; | |
1020 | ||
c2f0e4d9 WD |
1021 | parse_rule(&cvs_filter_list, default_cvsignore, |
1022 | mflags | (protocol_version >= 30 ? MATCHFLG_PERISHABLE : 0), | |
1023 | 0); | |
46db1850 WD |
1024 | |
1025 | p = module_id >= 0 && lp_use_chroot(module_id) ? "/" : getenv("HOME"); | |
1026 | if (p && pathjoin(fname, MAXPATHLEN, p, ".cvsignore") < MAXPATHLEN) | |
1027 | parse_filter_file(&cvs_filter_list, fname, mflags, 0); | |
1028 | ||
1029 | parse_rule(&cvs_filter_list, getenv("CVSIGNORE"), mflags, 0); | |
1030 | } | |
1031 | ||
1032 | ||
fdc79501 WD |
1033 | void parse_rule(struct filter_list_struct *listp, const char *pattern, |
1034 | uint32 mflags, int xflags) | |
c627d613 | 1035 | { |
fdc79501 WD |
1036 | unsigned int pat_len; |
1037 | uint32 new_mflags; | |
6dfd07d0 | 1038 | const char *cp, *p; |
5be7fa93 | 1039 | |
f8f72644 | 1040 | if (!pattern) |
5e7dbaca | 1041 | return; |
f8f72644 | 1042 | |
b2aa573b | 1043 | while (1) { |
6dfd07d0 | 1044 | /* Remember that the returned string is NOT '\0' terminated! */ |
fdc79501 | 1045 | cp = parse_rule_tok(pattern, mflags, xflags, |
b6f06b8e | 1046 | &pat_len, &new_mflags); |
6dfd07d0 | 1047 | if (!cp) |
b2aa573b | 1048 | break; |
969f7ed5 WD |
1049 | |
1050 | pattern = cp + pat_len; | |
1051 | ||
6dfd07d0 | 1052 | if (pat_len >= MAXPATHLEN) { |
969f7ed5 | 1053 | rprintf(FERROR, "discarding over-long filter: %.*s\n", |
e8b21fe4 | 1054 | (int)pat_len, cp); |
6dfd07d0 WD |
1055 | continue; |
1056 | } | |
5e972dcf | 1057 | |
b6f06b8e | 1058 | if (new_mflags & MATCHFLG_CLEAR_LIST) { |
951e826b | 1059 | if (DEBUG_GTE(FILTER, 2)) { |
de91e757 | 1060 | rprintf(FINFO, |
7842418b | 1061 | "[%s] clearing filter list%s\n", |
de91e757 WD |
1062 | who_am_i(), listp->debug_type); |
1063 | } | |
7842418b | 1064 | clear_filter_list(listp); |
5e972dcf WD |
1065 | continue; |
1066 | } | |
b2aa573b | 1067 | |
b6f06b8e | 1068 | if (new_mflags & MATCHFLG_MERGE_FILE) { |
fdc79501 WD |
1069 | unsigned int len; |
1070 | if (!pat_len) { | |
1071 | cp = ".cvsignore"; | |
1072 | pat_len = 10; | |
1073 | } | |
1074 | len = pat_len; | |
b6f06b8e | 1075 | if (new_mflags & MATCHFLG_EXCLUDE_SELF) { |
969f7ed5 WD |
1076 | const char *name = cp + len; |
1077 | while (name > cp && name[-1] != '/') name--; | |
1078 | len -= name - cp; | |
fdc79501 | 1079 | add_rule(listp, name, len, 0, 0); |
b6f06b8e | 1080 | new_mflags &= ~MATCHFLG_EXCLUDE_SELF; |
6dfd07d0 WD |
1081 | len = pat_len; |
1082 | } | |
b6f06b8e | 1083 | if (new_mflags & MATCHFLG_PERDIR_MERGE) { |
6dfd07d0 | 1084 | if (parent_dirscan) { |
b6f06b8e WD |
1085 | if (!(p = parse_merge_name(cp, &len, |
1086 | module_dirlen))) | |
6dfd07d0 | 1087 | continue; |
fdc79501 | 1088 | add_rule(listp, p, len, new_mflags, 0); |
6dfd07d0 WD |
1089 | continue; |
1090 | } | |
1091 | } else { | |
6dfd07d0 WD |
1092 | if (!(p = parse_merge_name(cp, &len, 0))) |
1093 | continue; | |
fdc79501 WD |
1094 | parse_filter_file(listp, p, new_mflags, |
1095 | XFLG_FATAL_ERRORS); | |
6dfd07d0 WD |
1096 | continue; |
1097 | } | |
f8f72644 | 1098 | } |
6dfd07d0 | 1099 | |
fdc79501 WD |
1100 | add_rule(listp, cp, pat_len, new_mflags, xflags); |
1101 | ||
1102 | if (new_mflags & MATCHFLG_CVS_IGNORE | |
1103 | && !(new_mflags & MATCHFLG_MERGE_FILE)) | |
46db1850 | 1104 | get_cvs_excludes(new_mflags); |
8c35542d | 1105 | } |
c627d613 AT |
1106 | } |
1107 | ||
c627d613 | 1108 | |
fdc79501 WD |
1109 | void parse_filter_file(struct filter_list_struct *listp, const char *fname, |
1110 | uint32 mflags, int xflags) | |
c627d613 | 1111 | { |
5e7dbaca | 1112 | FILE *fp; |
3fac51e2 | 1113 | char line[BIGPATHBUFLEN]; |
7cd72c79 | 1114 | char *eob = line + sizeof line - 1; |
b6f06b8e | 1115 | int word_split = mflags & MATCHFLG_WORD_SPLIT; |
ccdff3eb | 1116 | |
5be7fa93 WD |
1117 | if (!fname || !*fname) |
1118 | return; | |
1119 | ||
5a016db9 | 1120 | if (*fname != '-' || fname[1] || am_server) { |
819bfe45 | 1121 | if (daemon_filter_list.head) { |
5a016db9 | 1122 | strlcpy(line, fname, sizeof line); |
b58bfb2f | 1123 | clean_fname(line, CFN_COLLAPSE_DOT_DOT_DIRS); |
1df02d13 | 1124 | if (check_filter(&daemon_filter_list, FLOG, line, 0) < 0) |
5a016db9 WD |
1125 | fp = NULL; |
1126 | else | |
1127 | fp = fopen(line, "rb"); | |
1128 | } else | |
1129 | fp = fopen(fname, "rb"); | |
1130 | } else | |
5e7dbaca | 1131 | fp = stdin; |
bf39270e | 1132 | |
951e826b | 1133 | if (DEBUG_GTE(FILTER, 2)) { |
fdc79501 | 1134 | rprintf(FINFO, "[%s] parse_filter_file(%s,%x,%x)%s\n", |
45c49b52 | 1135 | who_am_i(), fname, mflags, xflags, |
bf39270e WD |
1136 | fp ? "" : " [not found]"); |
1137 | } | |
1138 | ||
5e7dbaca | 1139 | if (!fp) { |
f8f72644 | 1140 | if (xflags & XFLG_FATAL_ERRORS) { |
a039749b | 1141 | rsyserr(FERROR, errno, |
6dfd07d0 | 1142 | "failed to open %sclude file %s", |
b6f06b8e | 1143 | mflags & MATCHFLG_INCLUDE ? "in" : "ex", |
45c49b52 | 1144 | fname); |
65417579 | 1145 | exit_cleanup(RERR_FILEIO); |
2b6b4d53 | 1146 | } |
5be7fa93 | 1147 | return; |
2b6b4d53 | 1148 | } |
6dfd07d0 WD |
1149 | dirbuf[dirbuf_len] = '\0'; |
1150 | ||
ccdff3eb | 1151 | while (1) { |
5e7dbaca | 1152 | char *s = line; |
619d21ff | 1153 | int ch, overflow = 0; |
ccdff3eb | 1154 | while (1) { |
5e7dbaca | 1155 | if ((ch = getc(fp)) == EOF) { |
61e16468 WD |
1156 | if (ferror(fp) && errno == EINTR) { |
1157 | clearerr(fp); | |
ccdff3eb | 1158 | continue; |
61e16468 | 1159 | } |
ccdff3eb WD |
1160 | break; |
1161 | } | |
40d38dc0 WD |
1162 | if (word_split && isspace(ch)) |
1163 | break; | |
ccdff3eb WD |
1164 | if (eol_nulls? !ch : (ch == '\n' || ch == '\r')) |
1165 | break; | |
1166 | if (s < eob) | |
1167 | *s++ = ch; | |
619d21ff WD |
1168 | else |
1169 | overflow = 1; | |
1170 | } | |
1171 | if (overflow) { | |
7842418b | 1172 | rprintf(FERROR, "discarding over-long filter: %s...\n", line); |
619d21ff | 1173 | s = line; |
ccdff3eb WD |
1174 | } |
1175 | *s = '\0'; | |
7f0feb4d WD |
1176 | /* Skip an empty token and (when line parsing) comments. */ |
1177 | if (*line && (word_split || (*line != ';' && *line != '#'))) | |
fdc79501 | 1178 | parse_rule(listp, line, mflags, xflags); |
5e7dbaca | 1179 | if (ch == EOF) |
ccdff3eb | 1180 | break; |
2b6b4d53 | 1181 | } |
5e7dbaca | 1182 | fclose(fp); |
c627d613 AT |
1183 | } |
1184 | ||
a261103c | 1185 | /* If the "for_xfer" flag is set, the prefix is made compatible with the |
fdc79501 WD |
1186 | * current protocol_version (if possible) or a NULL is returned (if not |
1187 | * possible). */ | |
a261103c | 1188 | char *get_rule_prefix(int match_flags, const char *pat, int for_xfer, |
fdc79501 | 1189 | unsigned int *plen_ptr) |
417b5999 WD |
1190 | { |
1191 | static char buf[MAX_RULE_PREFIX+1]; | |
1192 | char *op = buf; | |
2217b30a | 1193 | int legal_len = for_xfer && protocol_version < 29 ? 1 : MAX_RULE_PREFIX-1; |
417b5999 WD |
1194 | |
1195 | if (match_flags & MATCHFLG_PERDIR_MERGE) { | |
fdc79501 WD |
1196 | if (legal_len == 1) |
1197 | return NULL; | |
417b5999 | 1198 | *op++ = ':'; |
fdc79501 WD |
1199 | } else if (match_flags & MATCHFLG_INCLUDE) |
1200 | *op++ = '+'; | |
1201 | else if (legal_len != 1 | |
1202 | || ((*pat == '-' || *pat == '+') && pat[1] == ' ')) | |
1203 | *op++ = '-'; | |
1204 | else | |
1205 | legal_len = 0; | |
1206 | ||
2a28dd32 WD |
1207 | if (match_flags & MATCHFLG_NEGATE) |
1208 | *op++ = '!'; | |
fdc79501 WD |
1209 | if (match_flags & MATCHFLG_CVS_IGNORE) |
1210 | *op++ = 'C'; | |
1211 | else { | |
417b5999 WD |
1212 | if (match_flags & MATCHFLG_NO_INHERIT) |
1213 | *op++ = 'n'; | |
d09e800a WD |
1214 | if (match_flags & MATCHFLG_WORD_SPLIT) |
1215 | *op++ = 'w'; | |
417b5999 WD |
1216 | if (match_flags & MATCHFLG_NO_PREFIXES) { |
1217 | if (match_flags & MATCHFLG_INCLUDE) | |
1218 | *op++ = '+'; | |
1219 | else | |
1220 | *op++ = '-'; | |
1221 | } | |
417b5999 | 1222 | } |
46db1850 WD |
1223 | if (match_flags & MATCHFLG_EXCLUDE_SELF) |
1224 | *op++ = 'e'; | |
ed243f8c WD |
1225 | if (match_flags & MATCHFLG_SENDER_SIDE |
1226 | && (!for_xfer || protocol_version >= 29)) | |
1227 | *op++ = 's'; | |
1228 | if (match_flags & MATCHFLG_RECEIVER_SIDE | |
1229 | && (!for_xfer || protocol_version >= 29 | |
1230 | || (delete_excluded && am_sender))) | |
1231 | *op++ = 'r'; | |
ccdb23bb WD |
1232 | if (match_flags & MATCHFLG_PERISHABLE) { |
1233 | if (!for_xfer || protocol_version >= 30) | |
1234 | *op++ = 'p'; | |
1235 | else if (am_sender) | |
1236 | return NULL; | |
1237 | } | |
448797a1 WD |
1238 | if (op - buf > legal_len) |
1239 | return NULL; | |
2217b30a WD |
1240 | if (legal_len) |
1241 | *op++ = ' '; | |
417b5999 WD |
1242 | *op = '\0'; |
1243 | if (plen_ptr) | |
1244 | *plen_ptr = op - buf; | |
417b5999 WD |
1245 | return buf; |
1246 | } | |
c627d613 | 1247 | |
fdc79501 | 1248 | static void send_rules(int f_out, struct filter_list_struct *flp) |
c627d613 | 1249 | { |
ed243f8c | 1250 | struct filter_struct *ent, *prev = NULL; |
25cf8893 | 1251 | |
fdc79501 | 1252 | for (ent = flp->head; ent; ent = ent->next) { |
417b5999 | 1253 | unsigned int len, plen, dlen; |
ed243f8c | 1254 | int elide = 0; |
417b5999 | 1255 | char *p; |
2fb139c1 | 1256 | |
f1678790 WD |
1257 | /* Note we need to check delete_excluded here in addition to |
1258 | * the code in parse_rule_tok() because some rules may have | |
48ecccce WD |
1259 | * been added before we found the --delete-excluded option. |
1260 | * We must also elide any CVS merge-file rules to avoid a | |
1261 | * backward compatibility problem, and we elide any no-prefix | |
1262 | * merge files as an optimization (since they can only have | |
1263 | * include/exclude rules). */ | |
ed243f8c WD |
1264 | if (ent->match_flags & MATCHFLG_SENDER_SIDE) |
1265 | elide = am_sender ? 1 : -1; | |
1266 | if (ent->match_flags & MATCHFLG_RECEIVER_SIDE) | |
1267 | elide = elide ? 0 : am_sender ? -1 : 1; | |
97bf86f8 | 1268 | else if (delete_excluded && !elide |
48ecccce WD |
1269 | && (!(ent->match_flags & MATCHFLG_PERDIR_MERGE) |
1270 | || ent->match_flags & MATCHFLG_NO_PREFIXES)) | |
ed243f8c WD |
1271 | elide = am_sender ? 1 : -1; |
1272 | if (elide < 0) { | |
1273 | if (prev) | |
1274 | prev->next = ent->next; | |
1275 | else | |
1276 | flp->head = ent->next; | |
1277 | } else | |
1278 | prev = ent; | |
1279 | if (elide > 0) | |
1280 | continue; | |
fdc79501 WD |
1281 | if (ent->match_flags & MATCHFLG_CVS_IGNORE |
1282 | && !(ent->match_flags & MATCHFLG_MERGE_FILE)) { | |
98e47414 | 1283 | int f = am_sender || protocol_version < 29 ? f_out : -2; |
ed243f8c | 1284 | send_rules(f, &cvs_filter_list); |
98e47414 | 1285 | if (f == f_out) |
417b5999 | 1286 | continue; |
fdc79501 WD |
1287 | } |
1288 | p = get_rule_prefix(ent->match_flags, ent->pattern, 1, &plen); | |
1289 | if (!p) { | |
417b5999 | 1290 | rprintf(FERROR, |
fdc79501 | 1291 | "filter rules are too modern for remote rsync.\n"); |
caf8299e | 1292 | exit_cleanup(RERR_PROTOCOL); |
5f5be796 | 1293 | } |
ed243f8c WD |
1294 | if (f_out < 0) |
1295 | continue; | |
fdc79501 | 1296 | len = strlen(ent->pattern); |
417b5999 | 1297 | dlen = ent->match_flags & MATCHFLG_DIRECTORY ? 1 : 0; |
fdc79501 WD |
1298 | if (!(plen + len + dlen)) |
1299 | continue; | |
1300 | write_int(f_out, plen + len + dlen); | |
417b5999 | 1301 | if (plen) |
fdc79501 WD |
1302 | write_buf(f_out, p, plen); |
1303 | write_buf(f_out, ent->pattern, len); | |
417b5999 | 1304 | if (dlen) |
fdc79501 | 1305 | write_byte(f_out, '/'); |
0f2ac855 | 1306 | } |
ed243f8c | 1307 | flp->tail = prev; |
c627d613 AT |
1308 | } |
1309 | ||
fdc79501 WD |
1310 | /* This is only called by the client. */ |
1311 | void send_filter_list(int f_out) | |
1312 | { | |
d5782b52 WD |
1313 | int receiver_wants_list = prune_empty_dirs |
1314 | || (delete_mode && (!delete_excluded || protocol_version >= 29)); | |
448797a1 WD |
1315 | |
1316 | if (local_server || (am_sender && !receiver_wants_list)) | |
fdc79501 WD |
1317 | f_out = -1; |
1318 | if (cvs_exclude && am_sender) { | |
1319 | if (protocol_version >= 29) | |
1320 | parse_rule(&filter_list, ":C", 0, 0); | |
1321 | parse_rule(&filter_list, "-C", 0, 0); | |
1322 | } | |
c627d613 | 1323 | |
ed243f8c WD |
1324 | send_rules(f_out, &filter_list); |
1325 | ||
1326 | if (f_out >= 0) | |
fdc79501 | 1327 | write_int(f_out, 0); |
fdc79501 WD |
1328 | |
1329 | if (cvs_exclude) { | |
1330 | if (!am_sender || protocol_version < 29) | |
1331 | parse_rule(&filter_list, ":C", 0, 0); | |
1332 | if (!am_sender) | |
1333 | parse_rule(&filter_list, "-C", 0, 0); | |
1334 | } | |
1335 | } | |
1336 | ||
1337 | /* This is only called by the server. */ | |
1338 | void recv_filter_list(int f_in) | |
c627d613 | 1339 | { |
3fac51e2 | 1340 | char line[BIGPATHBUFLEN]; |
fdc79501 | 1341 | int xflags = protocol_version >= 29 ? 0 : XFLG_OLD_PREFIXES; |
d5782b52 | 1342 | int receiver_wants_list = prune_empty_dirs |
e257c6c2 WD |
1343 | || (delete_mode |
1344 | && (!delete_excluded || protocol_version >= 29)); | |
fdc79501 WD |
1345 | unsigned int len; |
1346 | ||
448797a1 | 1347 | if (!local_server && (am_sender || receiver_wants_list)) { |
fdc79501 WD |
1348 | while ((len = read_int(f_in)) != 0) { |
1349 | if (len >= sizeof line) | |
a1f99493 | 1350 | overflow_exit("recv_rules"); |
fdc79501 WD |
1351 | read_sbuf(f_in, line, len); |
1352 | parse_rule(&filter_list, line, 0, xflags); | |
1353 | } | |
1354 | } | |
9dd891bb | 1355 | |
fdc79501 | 1356 | if (cvs_exclude) { |
1412da7c | 1357 | if (local_server || am_sender || protocol_version < 29) |
fdc79501 | 1358 | parse_rule(&filter_list, ":C", 0, 0); |
1412da7c | 1359 | if (local_server || am_sender) |
fdc79501 | 1360 | parse_rule(&filter_list, "-C", 0, 0); |
651443a7 | 1361 | } |
ed243f8c WD |
1362 | |
1363 | if (local_server) /* filter out any rules that aren't for us. */ | |
1364 | send_rules(-1, &filter_list); | |
651443a7 | 1365 | } |