-/* -*- c-file-style: "linux" -*-
+/*
+ * The filter include/exclude routines.
*
- * Copyright (C) 1996-2001 by Andrew Tridgell <tridge@samba.org>
- * Copyright (C) 1996 by Paul Mackerras
- * Copyright (C) 2002 by Martin Pool
+ * Copyright (C) 1996-2001 Andrew Tridgell <tridge@samba.org>
+ * Copyright (C) 1996 Paul Mackerras
+ * Copyright (C) 2002 Martin Pool
+ * Copyright (C) 2003-2008 Wayne Davison
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, visit the http://fsf.org website.
*/
-/* a lot of this stuff was originally derived from GNU tar, although
- it has now changed so much that it is hard to tell :) */
-
-/* include/exclude cluestick added by Martin Pool <mbp@samba.org> */
-
#include "rsync.h"
extern int verbose;
extern int am_server;
extern int am_sender;
extern int eol_nulls;
-extern int list_only;
-extern int recurse;
extern int io_error;
extern int local_server;
+extern int prune_empty_dirs;
+extern int ignore_perishable;
extern int delete_mode;
extern int delete_excluded;
extern int cvs_exclude;
struct filter_list_struct filter_list = { 0, 0, "" };
struct filter_list_struct cvs_filter_list = { 0, 0, " [global CVS]" };
-struct filter_list_struct server_filter_list = { 0, 0, " [daemon]" };
+struct filter_list_struct daemon_filter_list = { 0, 0, " [daemon]" };
/* Need room enough for ":MODS " prefix plus some room to grow. */
#define MAX_RULE_PREFIX (16)
#define MODIFIERS_MERGE_FILE "-+Cenw"
-#define MODIFIERS_INCL_EXCL "/!Crs"
-#define MODIFIERS_HIDE_PROTECT "/!"
+#define MODIFIERS_INCL_EXCL "/!Crsp"
+#define MODIFIERS_HIDE_PROTECT "/!p"
/* The dirbuf is set by push_local_filters() to the current subdirectory
* relative to curr_dir that is being processed. The path always has a
{
struct filter_struct *ret;
const char *cp;
- unsigned int ex_len;
+ unsigned int pre_len, slash_cnt = 0;
if (verbose > 2) {
rprintf(FINFO, "[%s] add_rule(%s%.*s%s)%s\n",
}
}
- if (!(ret = new(struct filter_struct)))
+ if (!(ret = new0(struct filter_struct)))
out_of_memory("add_rule");
- memset(ret, 0, sizeof ret[0]);
+
+ if (pat_len > 1 && pat[pat_len-1] == '/') {
+ pat_len--;
+ mflags |= MATCHFLG_DIRECTORY;
+ }
+
+ for (cp = pat; cp < pat + pat_len; cp++) {
+ if (*cp == '/')
+ slash_cnt++;
+ }
if (!(mflags & (MATCHFLG_ABS_PATH | MATCHFLG_MERGE_FILE))
&& ((xflags & (XFLG_ANCHORED2ABS|XFLG_ABS_IF_SLASH) && *pat == '/')
- || (xflags & XFLG_ABS_IF_SLASH && strchr(pat, '/') != NULL))) {
+ || (xflags & XFLG_ABS_IF_SLASH && slash_cnt))) {
mflags |= MATCHFLG_ABS_PATH;
if (*pat == '/')
- ex_len = dirbuf_len - module_dirlen - 1;
+ pre_len = dirbuf_len - module_dirlen - 1;
else
- ex_len = 0;
+ pre_len = 0;
} else
- ex_len = 0;
- if (!(ret->pattern = new_array(char, ex_len + pat_len + 1)))
+ pre_len = 0;
+
+ if (!(ret->pattern = new_array(char, pre_len + pat_len + 1)))
out_of_memory("add_rule");
- if (ex_len)
- memcpy(ret->pattern, dirbuf + module_dirlen, ex_len);
- strlcpy(ret->pattern + ex_len, pat, pat_len + 1);
- pat_len += ex_len;
+ if (pre_len) {
+ memcpy(ret->pattern, dirbuf + module_dirlen, pre_len);
+ for (cp = ret->pattern; cp < ret->pattern + pre_len; cp++) {
+ if (*cp == '/')
+ slash_cnt++;
+ }
+ }
+ strlcpy(ret->pattern + pre_len, pat, pat_len + 1);
+ pat_len += pre_len;
if (strpbrk(ret->pattern, "*[?")) {
mflags |= MATCHFLG_WILD;
/* If the pattern starts with **, note that. */
if (cp == ret->pattern)
mflags |= MATCHFLG_WILD2_PREFIX;
+ /* If the pattern ends with ***, note that. */
+ if (pat_len >= 3
+ && ret->pattern[pat_len-3] == '*'
+ && ret->pattern[pat_len-2] == '*'
+ && ret->pattern[pat_len-1] == '*')
+ mflags |= MATCHFLG_WILD3_SUFFIX;
}
}
- if (pat_len > 1 && ret->pattern[pat_len-1] == '/') {
- ret->pattern[pat_len-1] = 0;
- mflags |= MATCHFLG_DIRECTORY;
- }
-
if (mflags & MATCHFLG_PERDIR_MERGE) {
struct filter_list_struct *lp;
unsigned int len;
out_of_memory("add_rule");
}
mergelist_parents[mergelist_cnt++] = ret;
- } else {
- for (cp = ret->pattern; (cp = strchr(cp, '/')) != NULL; cp++)
- ret->u.slash_cnt++;
- }
+ } else
+ ret->u.slash_cnt = slash_cnt;
ret->match_flags = mflags;
strlcpy(to, merge_file, *len_ptr + 1);
merge_file = to;
}
- if (!sanitize_path(fn, merge_file, r, dirbuf_depth)) {
+ if (!sanitize_path(fn, merge_file, r, dirbuf_depth, SP_DEFAULT)) {
rprintf(FERROR, "merge-file name overflows: %s\n",
- safe_fname(merge_file));
+ merge_file);
return NULL;
}
+ fn_len = strlen(fn);
} else {
strlcpy(fn, merge_file, len_ptr ? *len_ptr + 1 : MAXPATHLEN);
- clean_fname(fn, 1);
+ fn_len = clean_fname(fn, CFN_COLLAPSE_DOT_DOT_DIRS);
}
-
- fn_len = strlen(fn);
- if (fn == buf)
- goto done;
-
- if (dirbuf_len + fn_len >= MAXPATHLEN) {
- rprintf(FERROR, "merge-file name overflows: %s\n",
- safe_fname(fn));
- return NULL;
+
+ /* If the name isn't in buf yet, it's wasn't absolute. */
+ if (fn != buf) {
+ if (dirbuf_len + fn_len >= MAXPATHLEN) {
+ rprintf(FERROR, "merge-file name overflows: %s\n", fn);
+ return NULL;
+ }
+ memcpy(buf, dirbuf + prefix_skip, dirbuf_len - prefix_skip);
+ memcpy(buf + dirbuf_len - prefix_skip, fn, fn_len + 1);
+ fn_len = clean_fname(buf, CFN_COLLAPSE_DOT_DOT_DIRS);
}
- memcpy(buf, dirbuf + prefix_skip, dirbuf_len - prefix_skip);
- memcpy(buf + dirbuf_len - prefix_skip, fn, fn_len + 1);
- fn_len = clean_fname(buf, 1);
- done:
if (len_ptr)
*len_ptr = fn_len;
return buf;
len = 0;
memcpy(dirbuf + len, dir, dirlen);
dirbuf[dirlen + len] = '\0';
- dirbuf_len = clean_fname(dirbuf, 1);
+ dirbuf_len = clean_fname(dirbuf, CFN_COLLAPSE_DOT_DOT_DIRS);
if (dirbuf_len > 1 && dirbuf[dirbuf_len-1] == '.'
&& dirbuf[dirbuf_len-2] == '/')
dirbuf_len -= 2;
else
pathjoin(buf, MAXPATHLEN, dirbuf, x);
- len = clean_fname(buf, 1);
+ len = clean_fname(buf, CFN_COLLAPSE_DOT_DOT_DIRS);
if (len != 1 && len < MAXPATHLEN-1) {
buf[len++] = '/';
buf[len] = '\0';
free(pop);
}
-static int rule_matches(char *name, struct filter_struct *ex, int name_is_dir)
+void change_local_filter_dir(const char *dname, int dlen, int dir_depth)
+{
+ static int cur_depth = -1;
+ static void *filt_array[MAXPATHLEN/2+1];
+
+ if (!dname) {
+ for ( ; cur_depth >= 0; cur_depth--) {
+ if (filt_array[cur_depth]) {
+ pop_local_filters(filt_array[cur_depth]);
+ filt_array[cur_depth] = NULL;
+ }
+ }
+ return;
+ }
+
+ assert(dir_depth < MAXPATHLEN/2+1);
+
+ for ( ; cur_depth >= dir_depth; cur_depth--) {
+ if (filt_array[cur_depth]) {
+ pop_local_filters(filt_array[cur_depth]);
+ filt_array[cur_depth] = NULL;
+ }
+ }
+
+ cur_depth = dir_depth;
+ filt_array[cur_depth] = push_local_filters(dname, dlen);
+}
+
+static int rule_matches(const char *fname, struct filter_struct *ex, int name_is_dir)
{
- char *p, full_name[MAXPATHLEN];
- int anchored_match = 0;
+ int slash_handling, str_cnt = 0, anchored_match = 0;
int ret_match = ex->match_flags & MATCHFLG_NEGATE ? 0 : 1;
- char *pattern = ex->pattern;
+ char *p, *pattern = ex->pattern;
+ const char *strings[16]; /* more than enough */
+ const char *name = fname + (*fname == '/');
if (!*name)
return 0;
* just match the name portion of the path. */
if ((p = strrchr(name,'/')) != NULL)
name = p+1;
- } else if (ex->match_flags & MATCHFLG_ABS_PATH && *name != '/'
+ } else if (ex->match_flags & MATCHFLG_ABS_PATH && *fname != '/'
&& curr_dir_len > module_dirlen + 1) {
/* If we're matching against an absolute-path pattern,
* we need to prepend our full path info. */
- pathjoin(full_name, sizeof full_name,
- curr_dir + module_dirlen + 1, name);
- name = full_name;
+ strings[str_cnt++] = curr_dir + module_dirlen + 1;
+ strings[str_cnt++] = "/";
+ } else if (ex->match_flags & MATCHFLG_WILD2_PREFIX && *fname != '/') {
+ /* Allow "**"+"/" to match at the start of the string. */
+ strings[str_cnt++] = "/";
}
-
- if (ex->match_flags & MATCHFLG_DIRECTORY && !name_is_dir)
+ strings[str_cnt++] = name;
+ if (name_is_dir) {
+ /* Allow a trailing "/"+"***" to match the directory. */
+ if (ex->match_flags & MATCHFLG_WILD3_SUFFIX)
+ strings[str_cnt++] = "/";
+ } else if (ex->match_flags & MATCHFLG_DIRECTORY)
return !ret_match;
+ strings[str_cnt] = NULL;
if (*pattern == '/') {
anchored_match = 1;
pattern++;
- if (*name == '/')
- name++;
}
- if (ex->match_flags & MATCHFLG_WILD) {
+ if (!anchored_match && ex->u.slash_cnt
+ && !(ex->match_flags & MATCHFLG_WILD2)) {
/* A non-anchored match with an infix slash and no "**"
* needs to match the last slash_cnt+1 name elements. */
- if (!anchored_match && ex->u.slash_cnt
- && !(ex->match_flags & MATCHFLG_WILD2)) {
- int cnt = ex->u.slash_cnt + 1;
- for (p = name + strlen(name) - 1; p >= name; p--) {
- if (*p == '/' && !--cnt)
- break;
- }
- name = p+1;
- }
- if (wildmatch(pattern, name))
+ slash_handling = ex->u.slash_cnt + 1;
+ } else if (!anchored_match && !(ex->match_flags & MATCHFLG_WILD2_PREFIX)
+ && ex->match_flags & MATCHFLG_WILD2) {
+ /* A non-anchored match with an infix or trailing "**" (but not
+ * a prefixed "**") needs to try matching after every slash. */
+ slash_handling = -1;
+ } else {
+ /* The pattern matches only at the start of the path or name. */
+ slash_handling = 0;
+ }
+
+ if (ex->match_flags & MATCHFLG_WILD) {
+ if (wildmatch_array(pattern, strings, slash_handling))
+ return ret_match;
+ } else if (str_cnt > 1) {
+ if (litmatch_array(pattern, strings, slash_handling))
return ret_match;
- if (ex->match_flags & MATCHFLG_WILD2_PREFIX) {
- /* If the **-prefixed pattern has a '/' as the next
- * character, then try to match the rest of the
- * pattern at the root. */
- if (pattern[2] == '/' && wildmatch(pattern+3, name))
- return ret_match;
- } else if (!anchored_match && ex->match_flags & MATCHFLG_WILD2) {
- /* A non-anchored match with an infix or trailing "**"
- * (but not a prefixed "**") needs to try matching
- * after every slash. */
- while ((name = strchr(name, '/')) != NULL) {
- name++;
- if (wildmatch(pattern, name))
- return ret_match;
- }
- }
} else if (anchored_match) {
- if (strcmp(name,pattern) == 0)
+ if (strcmp(name, pattern) == 0)
return ret_match;
} else {
int l1 = strlen(name);
* case we add it back in here. */
if (verbose >= 2) {
- rprintf(FINFO, "[%s] %scluding %s %s because of pattern %s%s%s\n",
- who_am_i(),
- ent->match_flags & MATCHFLG_INCLUDE ? "in" : "ex",
- name_is_dir ? "directory" : "file", name, ent->pattern,
- ent->match_flags & MATCHFLG_DIRECTORY ? "/" : "", type);
+ static char *actions[2][2]
+ = { {"show", "hid"}, {"risk", "protect"} };
+ const char *w = who_am_i();
+ rprintf(FINFO, "[%s] %sing %s %s because of pattern %s%s%s\n",
+ w, actions[*w!='s'][!(ent->match_flags&MATCHFLG_INCLUDE)],
+ name_is_dir ? "directory" : "file", name, ent->pattern,
+ ent->match_flags & MATCHFLG_DIRECTORY ? "/" : "", type);
}
}
* Return -1 if file "name" is defined to be excluded by the specified
* exclude list, 1 if it is included, and 0 if it was not matched.
*/
-int check_filter(struct filter_list_struct *listp, char *name, int name_is_dir)
+int check_filter(struct filter_list_struct *listp, const char *name, int name_is_dir)
{
struct filter_struct *ent;
for (ent = listp->head; ent; ent = ent->next) {
+ if (ignore_perishable && ent->match_flags & MATCHFLG_PERISHABLE)
+ continue;
if (ent->match_flags & MATCHFLG_PERDIR_MERGE) {
int rc = check_filter(ent->u.mergelist, name,
name_is_dir);
case 'n':
new_mflags |= MATCHFLG_NO_INHERIT;
break;
+ case 'p':
+ new_mflags |= MATCHFLG_PERISHABLE;
+ break;
case 'r':
new_mflags |= MATCHFLG_RECEIVER_SIDE;
break;
exit_cleanup(RERR_SYNTAX);
}
+ /* --delete-excluded turns an un-modified include/exclude into a
+ * sender-side rule. We also affect per-dir merge files that take
+ * no prefixes as a simple optimization. */
+ if (delete_excluded
+ && !(new_mflags & (MATCHFLG_RECEIVER_SIDE|MATCHFLG_SENDER_SIDE))
+ && (!(new_mflags & MATCHFLG_PERDIR_MERGE)
+ || new_mflags & MATCHFLG_NO_PREFIXES))
+ new_mflags |= MATCHFLG_SENDER_SIDE;
+
*len_ptr = len;
*mflags_ptr = new_mflags;
return (const char *)s;
}
-static char default_cvsignore[] =
+static char default_cvsignore[] =
/* These default ignored items come from the CVS manual. */
"RCS SCCS CVS CVS.adm RCSLOG cvslog.* tags TAGS"
" .make.state .nse_depinfo *~ #* .#* ,* _$* *$"
" *.a *.olb *.o *.obj *.so *.exe"
" *.Z *.elc *.ln core"
/* The rest we added to suit ourself. */
- " .svn/";
+ " .svn/ .git/ .bzr/";
static void get_cvs_excludes(uint32 mflags)
{
- char *p, fname[MAXPATHLEN];
static int initialized = 0;
+ char *p, fname[MAXPATHLEN];
if (initialized)
return;
initialized = 1;
- parse_rule(&cvs_filter_list, default_cvsignore, mflags, 0);
+ parse_rule(&cvs_filter_list, default_cvsignore,
+ mflags | (protocol_version >= 30 ? MATCHFLG_PERISHABLE : 0),
+ 0);
p = module_id >= 0 && lp_use_chroot(module_id) ? "/" : getenv("HOME");
if (p && pathjoin(fname, MAXPATHLEN, p, ".cvsignore") < MAXPATHLEN)
&pat_len, &new_mflags);
if (!cp)
break;
+
+ pattern = cp + pat_len;
+
if (pat_len >= MAXPATHLEN) {
- rprintf(FERROR, "discarding over-long filter: %s\n",
- cp);
+ rprintf(FERROR, "discarding over-long filter: %.*s\n",
+ (int)pat_len, cp);
continue;
}
- pattern = cp + pat_len;
if (new_mflags & MATCHFLG_CLEAR_LIST) {
if (verbose > 2) {
}
len = pat_len;
if (new_mflags & MATCHFLG_EXCLUDE_SELF) {
- const char *name = strrchr(cp, '/');
- if (name)
- len -= ++name - cp;
- else
- name = cp;
+ const char *name = cp + len;
+ while (name > cp && name[-1] != '/') name--;
+ len -= name - cp;
add_rule(listp, name, len, 0, 0);
new_mflags &= ~MATCHFLG_EXCLUDE_SELF;
len = pat_len;
return;
if (*fname != '-' || fname[1] || am_server) {
- if (server_filter_list.head) {
+ if (daemon_filter_list.head) {
strlcpy(line, fname, sizeof line);
- clean_fname(line, 1);
- if (check_filter(&server_filter_list, line, 0) < 0)
+ clean_fname(line, CFN_COLLAPSE_DOT_DOT_DIRS);
+ if (check_filter(&daemon_filter_list, line, 0) < 0)
fp = NULL;
else
fp = fopen(line, "rb");
if (verbose > 2) {
rprintf(FINFO, "[%s] parse_filter_file(%s,%x,%x)%s\n",
- who_am_i(), safe_fname(fname), mflags, xflags,
+ who_am_i(), fname, mflags, xflags,
fp ? "" : " [not found]");
}
rsyserr(FERROR, errno,
"failed to open %sclude file %s",
mflags & MATCHFLG_INCLUDE ? "in" : "ex",
- safe_fname(fname));
+ fname);
exit_cleanup(RERR_FILEIO);
}
return;
int ch, overflow = 0;
while (1) {
if ((ch = getc(fp)) == EOF) {
- if (ferror(fp) && errno == EINTR)
+ if (ferror(fp) && errno == EINTR) {
+ clearerr(fp);
continue;
+ }
break;
}
if (word_split && isspace(ch))
else
legal_len = 0;
+ if (match_flags & MATCHFLG_NEGATE)
+ *op++ = '!';
if (match_flags & MATCHFLG_CVS_IGNORE)
*op++ = 'C';
else {
&& (!for_xfer || protocol_version >= 29
|| (delete_excluded && am_sender)))
*op++ = 'r';
+ if (match_flags & MATCHFLG_PERISHABLE) {
+ if (!for_xfer || protocol_version >= 30)
+ *op++ = 'p';
+ else if (am_sender)
+ return NULL;
+ }
if (op - buf > legal_len)
return NULL;
if (legal_len)
int elide = 0;
char *p;
+ /* Note we need to check delete_excluded here in addition to
+ * the code in parse_rule_tok() because some rules may have
+ * been added before we found the --delete-excluded option.
+ * We must also elide any CVS merge-file rules to avoid a
+ * backward compatibility problem, and we elide any no-prefix
+ * merge files as an optimization (since they can only have
+ * include/exclude rules). */
if (ent->match_flags & MATCHFLG_SENDER_SIDE)
elide = am_sender ? 1 : -1;
if (ent->match_flags & MATCHFLG_RECEIVER_SIDE)
elide = elide ? 0 : am_sender ? -1 : 1;
- else if (delete_excluded && !elide)
+ else if (delete_excluded && !elide
+ && (!(ent->match_flags & MATCHFLG_PERDIR_MERGE)
+ || ent->match_flags & MATCHFLG_NO_PREFIXES))
elide = am_sender ? 1 : -1;
if (elide < 0) {
if (prev)
if (!p) {
rprintf(FERROR,
"filter rules are too modern for remote rsync.\n");
- exit_cleanup(RERR_SYNTAX);
+ exit_cleanup(RERR_PROTOCOL);
}
if (f_out < 0)
continue;
/* This is only called by the client. */
void send_filter_list(int f_out)
{
- int receiver_wants_list = delete_mode
- && (!delete_excluded || protocol_version >= 29);
+ int receiver_wants_list = prune_empty_dirs
+ || (delete_mode && (!delete_excluded || protocol_version >= 29));
if (local_server || (am_sender && !receiver_wants_list))
f_out = -1;
parse_rule(&filter_list, "-C", 0, 0);
}
- /* This is a complete hack - blame Rusty. FIXME!
- * Remove this hack when older rsyncs (below 2.6.4) are gone. */
- if (list_only == 1 && !recurse)
- parse_rule(&filter_list, "/*/*", MATCHFLG_NO_PREFIXES, 0);
-
send_rules(f_out, &filter_list);
if (f_out >= 0)
{
char line[BIGPATHBUFLEN];
int xflags = protocol_version >= 29 ? 0 : XFLG_OLD_PREFIXES;
- int receiver_wants_list = delete_mode
- && (!delete_excluded || protocol_version >= 29);
+ int receiver_wants_list = prune_empty_dirs
+ || (delete_mode
+ && (!delete_excluded || protocol_version >= 29));
unsigned int len;
if (!local_server && (am_sender || receiver_wants_list)) {
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff