-/* -*- 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, 2004, 2005, 2006 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
* 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
-/* 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 delete_mode;
+extern int delete_excluded;
+extern int cvs_exclude;
extern int sanitize_paths;
extern int protocol_version;
+extern int module_id;
extern char curr_dir[];
extern unsigned int curr_dir_len;
extern unsigned int module_dirlen;
struct filter_list_struct filter_list = { 0, 0, "" };
-struct filter_list_struct server_filter_list = { 0, 0, "server " };
+struct filter_list_struct cvs_filter_list = { 0, 0, " [global CVS]" };
+struct filter_list_struct server_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 "/!"
+
/* 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
* trailing slash appended, and the variable dirbuf_len contains the length
/* Build a filter structure given a filter pattern. The value in "pat"
* is not null-terminated. */
-static void make_filter(struct filter_list_struct *listp, const char *pat,
- unsigned int pat_len, unsigned int mflags)
+static void add_rule(struct filter_list_struct *listp, const char *pat,
+ unsigned int pat_len, uint32 mflags, int xflags)
{
struct filter_struct *ret;
const char *cp;
unsigned int ex_len;
if (verbose > 2) {
- rprintf(FINFO, "[%s] make_filter(%.*s, %s%s)\n",
- who_am_i(), (int)pat_len, pat,
- mflags & MATCHFLG_PERDIR_MERGE ? "per-dir-merge"
- : mflags & MATCHFLG_INCLUDE ? "include" : "exclude",
+ rprintf(FINFO, "[%s] add_rule(%s%.*s%s)%s\n",
+ who_am_i(), get_rule_prefix(mflags, pat, 0, NULL),
+ (int)pat_len, pat,
+ (mflags & MATCHFLG_DIRECTORY) ? "/" : "",
listp->debug_type);
}
- ret = new(struct filter_struct);
- if (!ret)
- out_of_memory("make_filter");
+ /* These flags also indicate that we're reading a list that
+ * needs to be filtered now, not post-filtered later. */
+ if (xflags & (XFLG_ANCHORED2ABS|XFLG_ABS_IF_SLASH)) {
+ uint32 mf = mflags & (MATCHFLG_RECEIVER_SIDE|MATCHFLG_SENDER_SIDE);
+ if (am_sender) {
+ if (mf == MATCHFLG_RECEIVER_SIDE)
+ return;
+ } else {
+ if (mf == MATCHFLG_SENDER_SIDE)
+ return;
+ }
+ }
+ if (!(ret = new(struct filter_struct)))
+ out_of_memory("add_rule");
memset(ret, 0, sizeof ret[0]);
- if (mflags & MATCHFLG_ABS_PATH) {
- if (*pat != '/') {
- mflags &= ~MATCHFLG_ABS_PATH;
- ex_len = 0;
- } else
+ if (!(mflags & (MATCHFLG_ABS_PATH | MATCHFLG_MERGE_FILE))
+ && ((xflags & (XFLG_ANCHORED2ABS|XFLG_ABS_IF_SLASH) && *pat == '/')
+ || (xflags & XFLG_ABS_IF_SLASH && strchr(pat, '/') != NULL))) {
+ mflags |= MATCHFLG_ABS_PATH;
+ if (*pat == '/')
ex_len = dirbuf_len - module_dirlen - 1;
+ else
+ ex_len = 0;
} else
ex_len = 0;
- ret->pattern = new_array(char, ex_len + pat_len + 1);
- if (!ret->pattern)
- out_of_memory("make_filter");
+ if (!(ret->pattern = new_array(char, ex_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);
/* 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;
}
}
struct filter_struct *ex = mergelist_parents[i];
const char *s = strrchr(ex->pattern, '/');
if (s)
- s++;
+ s++;
else
- s = ex->pattern;
+ s = ex->pattern;
len = strlen(s);
if (len == pat_len - (cp - ret->pattern)
&& memcmp(s, cp, len) == 0) {
}
if (!(lp = new_array(struct filter_list_struct, 1)))
- out_of_memory("make_filter");
+ out_of_memory("add_rule");
lp->head = lp->tail = NULL;
- if (asprintf(&lp->debug_type, " (per-dir %s)", cp) < 0)
- out_of_memory("make_filter");
+ if (asprintf(&lp->debug_type, " [per-dir %s]", cp) < 0)
+ out_of_memory("add_rule");
ret->u.mergelist = lp;
if (mergelist_cnt == mergelist_size) {
struct filter_struct *,
mergelist_size);
if (!mergelist_parents)
- out_of_memory("make_filter");
+ out_of_memory("add_rule");
}
mergelist_parents[mergelist_cnt++] = ret;
} else {
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, NULL)) {
rprintf(FERROR, "merge-file name overflows: %s\n",
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, 1);
}
-
- fn_len = strlen(fn);
- if (fn == buf)
- goto done;
- if (dirbuf_len + fn_len >= MAXPATHLEN) {
- rprintf(FERROR, "merge-file name overflows: %s\n", 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, 1);
}
- 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;
* dirs from that point through the parent dir of the transfer dir looking
* for the per-dir merge-file in each one. */
static BOOL setup_merge_file(struct filter_struct *ex,
- struct filter_list_struct *lp, int flags)
+ struct filter_list_struct *lp)
{
char buf[MAXPATHLEN];
char *x, *y, *pat = ex->pattern;
*y = '\0';
dirbuf_len = y - dirbuf;
strlcpy(x, ex->pattern, MAXPATHLEN - (x - buf));
- add_filter_file(lp, buf, flags | XFLG_ABS_PATH);
+ parse_filter_file(lp, buf, ex->match_flags, XFLG_ANCHORED2ABS);
if (ex->match_flags & MATCHFLG_NO_INHERIT)
lp->head = NULL;
lp->tail = NULL;
sizeof (struct filter_list_struct));
}
- /* Note: add_filter_file() might increase mergelist_cnt, so keep
+ /* Note: parse_filter_file() might increase mergelist_cnt, so keep
* this loop separate from the above loop. */
for (i = 0; i < mergelist_cnt; i++) {
struct filter_struct *ex = mergelist_parents[i];
struct filter_list_struct *lp = ex->u.mergelist;
- int flags = 0;
if (verbose > 2) {
rprintf(FINFO, "[%s] pushing filter list%s\n",
lp->tail = NULL; /* Switch any local rules to inherited. */
if (ex->match_flags & MATCHFLG_NO_INHERIT)
lp->head = NULL;
- if (ex->match_flags & MATCHFLG_WORD_SPLIT)
- flags |= XFLG_WORD_SPLIT;
- if (ex->match_flags & MATCHFLG_NO_PREFIXES)
- flags |= XFLG_NO_PREFIXES;
- if (ex->match_flags & MATCHFLG_INCLUDE)
- flags |= XFLG_DEF_INCLUDE;
- else if (ex->match_flags & MATCHFLG_NO_PREFIXES)
- flags |= XFLG_DEF_EXCLUDE;
if (ex->match_flags & MATCHFLG_FINISH_SETUP) {
ex->match_flags &= ~MATCHFLG_FINISH_SETUP;
- if (setup_merge_file(ex, lp, flags))
+ if (setup_merge_file(ex, lp))
set_filter_dir(dir, dirlen);
}
if (strlcpy(dirbuf + dirbuf_len, ex->pattern,
- MAXPATHLEN - dirbuf_len) < MAXPATHLEN - dirbuf_len)
- add_filter_file(lp, dirbuf, flags | XFLG_ABS_PATH);
- else {
+ MAXPATHLEN - dirbuf_len) < MAXPATHLEN - dirbuf_len) {
+ parse_filter_file(lp, dirbuf, ex->match_flags,
+ XFLG_ANCHORED2ABS);
+ } else {
io_error |= IOERR_GENERAL;
rprintf(FINFO,
"cannot add local filter rules in long-named directory: %s\n",
static int rule_matches(char *name, struct filter_struct *ex, int name_is_dir)
{
- char *p, full_name[MAXPATHLEN];
- int match_start = 0;
- char *pattern = ex->pattern;
+ int slash_handling, str_cnt = 0, anchored_match = 0;
+ int ret_match = ex->match_flags & MATCHFLG_NEGATE ? 0 : 1;
+ char *p, *pattern = ex->pattern;
+ const char *strings[16]; /* more than enough */
+ if (*name == '/')
+ name++;
if (!*name)
return 0;
- /* If the pattern does not have any slashes AND it does not have
- * a "**" (which could match a slash), then we just match the
- * name portion of the path. */
if (!ex->u.slash_cnt && !(ex->match_flags & MATCHFLG_WILD2)) {
+ /* If the pattern does not have any slashes AND it does
+ * not have a "**" (which could match a slash), then we
+ * 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 && *name != '/'
&& curr_dir_len > module_dirlen + 1) {
- pathjoin(full_name, sizeof full_name,
- curr_dir + module_dirlen + 1, name);
- name = full_name;
+ /* If we're matching against an absolute-path pattern,
+ * we need to prepend our full path info. */
+ strings[str_cnt++] = curr_dir + module_dirlen + 1;
+ strings[str_cnt++] = "/";
+ } else if (ex->match_flags & MATCHFLG_WILD2_PREFIX && *name != '/') {
+ /* Allow "**"+"/" to match at the start of the string. */
+ strings[str_cnt++] = "/";
}
-
- if (ex->match_flags & MATCHFLG_DIRECTORY && !name_is_dir)
- return 0;
+ 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 == '/') {
- match_start = 1;
+ 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 (!match_start && 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))
- return 1;
- 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 1;
- }
- else if (!match_start && 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 1;
- }
- }
- } else if (match_start) {
- if (strcmp(name,pattern) == 0)
- return 1;
+ 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;
+ } else if (anchored_match) {
+ if (strcmp(name, pattern) == 0)
+ return ret_match;
} else {
int l1 = strlen(name);
int l2 = strlen(pattern);
if (l2 <= l1 &&
strcmp(name+(l1-l2),pattern) == 0 &&
(l1==l2 || name[l1-(l2+1)] == '/')) {
- return 1;
+ return ret_match;
}
}
- return 0;
+ return !ret_match;
}
int name_is_dir, const char *type)
{
/* If a trailing slash is present to match only directories,
- * then it is stripped out by make_filter. So as a special
+ * then it is stripped out by add_rule(). So as a special
* 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 rc;
continue;
}
+ if (ent->match_flags & MATCHFLG_CVS_IGNORE) {
+ int rc = check_filter(&cvs_filter_list, name,
+ name_is_dir);
+ if (rc)
+ return rc;
+ continue;
+ }
if (rule_matches(name, ent, name_is_dir)) {
report_filter_result(name, ent, name_is_dir,
listp->debug_type);
return 0;
}
+#define RULE_STRCMP(s,r) rule_strcmp((s), (r), sizeof (r) - 1)
+
+static const uchar *rule_strcmp(const uchar *str, const char *rule, int rule_len)
+{
+ if (strncmp((char*)str, rule, rule_len) != 0)
+ return NULL;
+ if (isspace(str[rule_len]) || str[rule_len] == '_' || !str[rule_len])
+ return str + rule_len - 1;
+ if (str[rule_len] == ',')
+ return str + rule_len;
+ return NULL;
+}
/* Get the next include/exclude arg from the string. The token will not
* be '\0' terminated, so use the returned length to limit the string.
* Also, be sure to add this length to the returned pointer before passing
* it back to ask for the next token. This routine parses the "!" (list-
- * clearing) token and (if xflags does NOT contain XFLG_NO_PREFIXES) the
- * +/- prefixes for overriding the include/exclude mode. The *flag_ptr
- * value will also be set to the MATCHFLG_* bits for the current token.
- */
-static const char *get_filter_tok(const char *p, int xflags,
- unsigned int *len_ptr, unsigned int *flag_ptr)
+ * clearing) token and (depending on the mflags) the various prefixes.
+ * The *mflags_ptr value will be set on exit to the new MATCHFLG_* bits
+ * for the current token. */
+static const char *parse_rule_tok(const char *p, uint32 mflags, int xflags,
+ unsigned int *len_ptr, uint32 *mflags_ptr)
{
- const unsigned char *s = (const unsigned char *)p;
- unsigned int len, mflags = 0;
- int empty_pat_is_OK = 0;
+ const uchar *s = (const uchar *)p;
+ uint32 new_mflags;
+ unsigned int len;
- if (xflags & XFLG_WORD_SPLIT) {
+ if (mflags & MATCHFLG_WORD_SPLIT) {
/* Skip over any initial whitespace. */
while (isspace(*s))
s++;
if (!*s)
return NULL;
- /* Figure out what kind of a filter rule "s" is pointing at. */
- if (!(xflags & (XFLG_DEF_INCLUDE | XFLG_DEF_EXCLUDE))) {
- char *mods = "";
+ new_mflags = mflags & MATCHFLGS_FROM_CONTAINER;
+
+ /* Figure out what kind of a filter rule "s" is pointing at. Note
+ * that if MATCHFLG_NO_PREFIXES is set, the rule is either an include
+ * or an exclude based on the inheritance of the MATCHFLG_INCLUDE
+ * flag (above). XFLG_OLD_PREFIXES indicates a compatibility mode
+ * for old include/exclude patterns where just "+ " and "- " are
+ * allowed as optional prefixes. */
+ if (mflags & MATCHFLG_NO_PREFIXES) {
+ if (*s == '!' && mflags & MATCHFLG_CVS_IGNORE)
+ new_mflags |= MATCHFLG_CLEAR_LIST; /* Tentative! */
+ } else if (xflags & XFLG_OLD_PREFIXES) {
+ if (*s == '-' && s[1] == ' ') {
+ new_mflags &= ~MATCHFLG_INCLUDE;
+ s += 2;
+ } else if (*s == '+' && s[1] == ' ') {
+ new_mflags |= MATCHFLG_INCLUDE;
+ s += 2;
+ } else if (*s == '!')
+ new_mflags |= MATCHFLG_CLEAR_LIST; /* Tentative! */
+ } else {
+ char ch = 0, *mods = "";
switch (*s) {
+ case 'c':
+ if ((s = RULE_STRCMP(s, "clear")) != NULL)
+ ch = '!';
+ break;
+ case 'd':
+ if ((s = RULE_STRCMP(s, "dir-merge")) != NULL)
+ ch = ':';
+ break;
+ case 'e':
+ if ((s = RULE_STRCMP(s, "exclude")) != NULL)
+ ch = '-';
+ break;
+ case 'h':
+ if ((s = RULE_STRCMP(s, "hide")) != NULL)
+ ch = 'H';
+ break;
+ case 'i':
+ if ((s = RULE_STRCMP(s, "include")) != NULL)
+ ch = '+';
+ break;
+ case 'm':
+ if ((s = RULE_STRCMP(s, "merge")) != NULL)
+ ch = '.';
+ break;
+ case 'p':
+ if ((s = RULE_STRCMP(s, "protect")) != NULL)
+ ch = 'P';
+ break;
+ case 'r':
+ if ((s = RULE_STRCMP(s, "risk")) != NULL)
+ ch = 'R';
+ break;
+ case 's':
+ if ((s = RULE_STRCMP(s, "show")) != NULL)
+ ch = 'S';
+ break;
+ default:
+ ch = *s;
+ if (s[1] == ',')
+ s++;
+ break;
+ }
+ switch (ch) {
case ':':
- mflags |= MATCHFLG_PERDIR_MERGE
- | MATCHFLG_FINISH_SETUP;
+ new_mflags |= MATCHFLG_PERDIR_MERGE
+ | MATCHFLG_FINISH_SETUP;
/* FALL THROUGH */
case '.':
- mflags |= MATCHFLG_MERGE_FILE;
- mods = "-+Cens";
+ new_mflags |= MATCHFLG_MERGE_FILE;
+ mods = MODIFIERS_INCL_EXCL MODIFIERS_MERGE_FILE;
break;
case '+':
- mflags |= MATCHFLG_INCLUDE;
- break;
+ new_mflags |= MATCHFLG_INCLUDE;
+ /* FALL THROUGH */
case '-':
+ mods = MODIFIERS_INCL_EXCL;
+ break;
+ case 'S':
+ new_mflags |= MATCHFLG_INCLUDE;
+ /* FALL THROUGH */
+ case 'H':
+ new_mflags |= MATCHFLG_SENDER_SIDE;
+ mods = MODIFIERS_HIDE_PROTECT;
+ break;
+ case 'R':
+ new_mflags |= MATCHFLG_INCLUDE;
+ /* FALL THROUGH */
+ case 'P':
+ new_mflags |= MATCHFLG_RECEIVER_SIDE;
+ mods = MODIFIERS_HIDE_PROTECT;
break;
case '!':
- mflags |= MATCHFLG_CLEAR_LIST;
+ new_mflags |= MATCHFLG_CLEAR_LIST;
mods = NULL;
break;
default:
- rprintf(FERROR, "Unknown filter rule: %s\n", p);
+ rprintf(FERROR, "Unknown filter rule: `%s'\n", p);
exit_cleanup(RERR_SYNTAX);
}
- while (mods && *++s && *s != ' ' && *s != '=' && *s != '_') {
+ while (mods && *++s && *s != ' ' && *s != '_') {
if (strchr(mods, *s) == NULL) {
- if (xflags & XFLG_WORD_SPLIT && isspace(*s)) {
+ if (mflags & MATCHFLG_WORD_SPLIT && isspace(*s)) {
s--;
break;
}
+ invalid:
rprintf(FERROR,
- "unknown option '%c' in filter rule: %s\n",
+ "invalid modifier sequence at '%c' in filter rule: %s\n",
*s, p);
exit_cleanup(RERR_SYNTAX);
}
switch (*s) {
case '-':
- mflags |= MATCHFLG_NO_PREFIXES;
+ if (new_mflags & MATCHFLG_NO_PREFIXES)
+ goto invalid;
+ new_mflags |= MATCHFLG_NO_PREFIXES;
break;
case '+':
- mflags |= MATCHFLG_NO_PREFIXES
- | MATCHFLG_INCLUDE;
+ if (new_mflags & MATCHFLG_NO_PREFIXES)
+ goto invalid;
+ new_mflags |= MATCHFLG_NO_PREFIXES
+ | MATCHFLG_INCLUDE;
+ break;
+ case '/':
+ new_mflags |= MATCHFLG_ABS_PATH;
+ break;
+ case '!':
+ new_mflags |= MATCHFLG_NEGATE;
break;
case 'C':
- empty_pat_is_OK = 1;
- mflags |= MATCHFLG_NO_PREFIXES
- | MATCHFLG_WORD_SPLIT
- | MATCHFLG_NO_INHERIT;
+ if (new_mflags & MATCHFLG_NO_PREFIXES)
+ goto invalid;
+ new_mflags |= MATCHFLG_NO_PREFIXES
+ | MATCHFLG_WORD_SPLIT
+ | MATCHFLG_NO_INHERIT
+ | MATCHFLG_CVS_IGNORE;
break;
case 'e':
- mflags |= MATCHFLG_EXCLUDE_SELF;
+ new_mflags |= MATCHFLG_EXCLUDE_SELF;
break;
case 'n':
- mflags |= MATCHFLG_NO_INHERIT;
+ new_mflags |= MATCHFLG_NO_INHERIT;
+ break;
+ case 'r':
+ new_mflags |= MATCHFLG_RECEIVER_SIDE;
break;
case 's':
- mflags |= MATCHFLG_WORD_SPLIT;
+ new_mflags |= MATCHFLG_SENDER_SIDE;
+ break;
+ case 'w':
+ new_mflags |= MATCHFLG_WORD_SPLIT;
break;
}
}
if (*s)
s++;
- } else if (!(xflags & XFLG_NO_PREFIXES)
- && (*s == '-' || *s == '+') && s[1] == ' ') {
- if (*s == '+')
- mflags |= MATCHFLG_INCLUDE;
- s += 2;
- } else {
- if (xflags & XFLG_DEF_INCLUDE)
- mflags |= MATCHFLG_INCLUDE;
- if (*s == '!')
- mflags |= MATCHFLG_CLEAR_LIST; /* Tentative! */
}
- if (xflags & XFLG_DIRECTORY)
- mflags |= MATCHFLG_DIRECTORY;
-
- if (xflags & XFLG_WORD_SPLIT) {
- const unsigned char *cp = s;
+ if (mflags & MATCHFLG_WORD_SPLIT) {
+ const uchar *cp = s;
/* Token ends at whitespace or the end of the string. */
while (!isspace(*cp) && *cp != '\0')
cp++;
} else
len = strlen((char*)s);
- if (mflags & MATCHFLG_CLEAR_LIST) {
- if (!(xflags & (XFLG_DEF_INCLUDE | XFLG_DEF_EXCLUDE)) && len) {
+ if (new_mflags & MATCHFLG_CLEAR_LIST) {
+ if (!(mflags & MATCHFLG_NO_PREFIXES)
+ && !(xflags & XFLG_OLD_PREFIXES) && len) {
rprintf(FERROR,
"'!' rule has trailing characters: %s\n", p);
exit_cleanup(RERR_SYNTAX);
}
if (len > 1)
- mflags &= ~MATCHFLG_CLEAR_LIST;
- } else if (!len && !empty_pat_is_OK) {
+ new_mflags &= ~MATCHFLG_CLEAR_LIST;
+ } else if (!len && !(new_mflags & MATCHFLG_CVS_IGNORE)) {
rprintf(FERROR, "unexpected end of filter rule: %s\n", p);
exit_cleanup(RERR_SYNTAX);
}
- if (xflags & XFLG_ABS_PATH)
- mflags |= MATCHFLG_ABS_PATH;
+ /* --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;
- *flag_ptr = mflags;
+ *mflags_ptr = new_mflags;
return (const char *)s;
}
-void add_filter(struct filter_list_struct *listp, const char *pattern,
- int xflags)
+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 *~ #* .#* ,* _$* *$"
+ " *.old *.bak *.BAK *.orig *.rej .del-*"
+ " *.a *.olb *.o *.obj *.so *.exe"
+ " *.Z *.elc *.ln core"
+ /* The rest we added to suit ourself. */
+ " .svn/ .bzr/";
+
+static void get_cvs_excludes(uint32 mflags)
+{
+ char *p, fname[MAXPATHLEN];
+ static int initialized = 0;
+
+ if (initialized)
+ return;
+ initialized = 1;
+
+ parse_rule(&cvs_filter_list, default_cvsignore, mflags, 0);
+
+ p = module_id >= 0 && lp_use_chroot(module_id) ? "/" : getenv("HOME");
+ if (p && pathjoin(fname, MAXPATHLEN, p, ".cvsignore") < MAXPATHLEN)
+ parse_filter_file(&cvs_filter_list, fname, mflags, 0);
+
+ parse_rule(&cvs_filter_list, getenv("CVSIGNORE"), mflags, 0);
+}
+
+
+void parse_rule(struct filter_list_struct *listp, const char *pattern,
+ uint32 mflags, int xflags)
{
- unsigned int pat_len, mflags;
+ unsigned int pat_len;
+ uint32 new_mflags;
const char *cp, *p;
if (!pattern)
while (1) {
/* Remember that the returned string is NOT '\0' terminated! */
- cp = get_filter_tok(pattern, xflags, &pat_len, &mflags);
+ cp = parse_rule_tok(pattern, mflags, xflags,
+ &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 (mflags & MATCHFLG_CLEAR_LIST) {
+ if (new_mflags & MATCHFLG_CLEAR_LIST) {
if (verbose > 2) {
rprintf(FINFO,
"[%s] clearing filter list%s\n",
continue;
}
- if (!pat_len) {
- cp = ".cvsignore";
- pat_len = 10;
- }
-
- if (mflags & MATCHFLG_MERGE_FILE) {
- unsigned int len = pat_len;
- if (mflags & MATCHFLG_EXCLUDE_SELF) {
- const char *name = strrchr(cp, '/');
- if (name)
- len -= ++name - cp;
- else
- name = cp;
- make_filter(listp, name, len, 0);
- mflags &= ~MATCHFLG_EXCLUDE_SELF;
+ if (new_mflags & MATCHFLG_MERGE_FILE) {
+ unsigned int len;
+ if (!pat_len) {
+ cp = ".cvsignore";
+ pat_len = 10;
+ }
+ len = pat_len;
+ if (new_mflags & MATCHFLG_EXCLUDE_SELF) {
+ 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;
}
- if (mflags & MATCHFLG_PERDIR_MERGE) {
+ if (new_mflags & MATCHFLG_PERDIR_MERGE) {
if (parent_dirscan) {
- if (!(p = parse_merge_name(cp, &len, module_dirlen)))
+ if (!(p = parse_merge_name(cp, &len,
+ module_dirlen)))
continue;
- make_filter(listp, p, len, mflags);
+ add_rule(listp, p, len, new_mflags, 0);
continue;
}
} else {
- int flgs = XFLG_FATAL_ERRORS;
if (!(p = parse_merge_name(cp, &len, 0)))
continue;
- if (mflags & MATCHFLG_INCLUDE)
- flgs |= XFLG_DEF_INCLUDE;
- else if (mflags & MATCHFLG_NO_PREFIXES)
- flgs |= XFLG_DEF_EXCLUDE;
- add_filter_file(listp, p, flgs);
+ parse_filter_file(listp, p, new_mflags,
+ XFLG_FATAL_ERRORS);
continue;
}
}
- make_filter(listp, cp, pat_len, mflags);
+ add_rule(listp, cp, pat_len, new_mflags, xflags);
+
+ if (new_mflags & MATCHFLG_CVS_IGNORE
+ && !(new_mflags & MATCHFLG_MERGE_FILE))
+ get_cvs_excludes(new_mflags);
}
}
-void add_filter_file(struct filter_list_struct *listp, const char *fname,
- int xflags)
+void parse_filter_file(struct filter_list_struct *listp, const char *fname,
+ uint32 mflags, int xflags)
{
FILE *fp;
- char line[MAXPATHLEN+MAX_RULE_PREFIX+1]; /* +1 for trailing slash. */
+ char line[BIGPATHBUFLEN];
char *eob = line + sizeof line - 1;
- int word_split = xflags & XFLG_WORD_SPLIT;
+ int word_split = mflags & MATCHFLG_WORD_SPLIT;
if (!fname || !*fname)
return;
- if (*fname != '-' || fname[1])
- fp = fopen(fname, "rb");
- else
+ if (*fname != '-' || fname[1] || am_server) {
+ if (server_filter_list.head) {
+ strlcpy(line, fname, sizeof line);
+ clean_fname(line, 1);
+ if (check_filter(&server_filter_list, line, 0) < 0)
+ fp = NULL;
+ else
+ fp = fopen(line, "rb");
+ } else
+ fp = fopen(fname, "rb");
+ } else
fp = stdin;
+
+ if (verbose > 2) {
+ rprintf(FINFO, "[%s] parse_filter_file(%s,%x,%x)%s\n",
+ who_am_i(), fname, mflags, xflags,
+ fp ? "" : " [not found]");
+ }
+
if (!fp) {
if (xflags & XFLG_FATAL_ERRORS) {
rsyserr(FERROR, errno,
"failed to open %sclude file %s",
- xflags & XFLG_DEF_INCLUDE ? "in" : "ex",
- safe_fname(fname));
+ mflags & MATCHFLG_INCLUDE ? "in" : "ex",
+ fname);
exit_cleanup(RERR_FILEIO);
}
return;
}
dirbuf[dirbuf_len] = '\0';
- if (verbose > 2) {
- rprintf(FINFO, "[%s] add_filter_file(%s,%d)\n",
- who_am_i(), safe_fname(fname), xflags);
- }
-
while (1) {
char *s = line;
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))
*s = '\0';
/* Skip an empty token and (when line parsing) comments. */
if (*line && (word_split || (*line != ';' && *line != '#')))
- add_filter(listp, line, xflags);
+ parse_rule(listp, line, mflags, xflags);
if (ch == EOF)
break;
}
fclose(fp);
}
-char *get_rule_prefix(int match_flags, const char *pat, unsigned int *plen_ptr)
+/* If the "for_xfer" flag is set, the prefix is made compatible with the
+ * current protocol_version (if possible) or a NULL is returned (if not
+ * possible). */
+char *get_rule_prefix(int match_flags, const char *pat, int for_xfer,
+ unsigned int *plen_ptr)
{
static char buf[MAX_RULE_PREFIX+1];
char *op = buf;
+ int legal_len = for_xfer && protocol_version < 29 ? 1 : MAX_RULE_PREFIX-1;
if (match_flags & MATCHFLG_PERDIR_MERGE) {
+ if (legal_len == 1)
+ return NULL;
*op++ = ':';
- if (match_flags & MATCHFLG_WORD_SPLIT)
- *op++ = 's';
+ } else if (match_flags & MATCHFLG_INCLUDE)
+ *op++ = '+';
+ else if (legal_len != 1
+ || ((*pat == '-' || *pat == '+') && pat[1] == ' '))
+ *op++ = '-';
+ else
+ legal_len = 0;
+
+ if (match_flags & MATCHFLG_CVS_IGNORE)
+ *op++ = 'C';
+ else {
if (match_flags & MATCHFLG_NO_INHERIT)
*op++ = 'n';
- if (match_flags & MATCHFLG_EXCLUDE_SELF)
- *op++ = 'e';
+ if (match_flags & MATCHFLG_WORD_SPLIT)
+ *op++ = 'w';
if (match_flags & MATCHFLG_NO_PREFIXES) {
if (match_flags & MATCHFLG_INCLUDE)
*op++ = '+';
else
*op++ = '-';
}
- *op++ = ' ';
- } else if (match_flags & MATCHFLG_INCLUDE) {
- *op++ = '+';
- *op++ = ' ';
- } else if (protocol_version >= 29
- || ((*pat == '-' || *pat == '+') && pat[1] == ' ')) {
- *op++ = '-';
- *op++ = ' ';
}
+ if (match_flags & MATCHFLG_EXCLUDE_SELF)
+ *op++ = 'e';
+ if (match_flags & MATCHFLG_SENDER_SIDE
+ && (!for_xfer || protocol_version >= 29))
+ *op++ = 's';
+ if (match_flags & MATCHFLG_RECEIVER_SIDE
+ && (!for_xfer || protocol_version >= 29
+ || (delete_excluded && am_sender)))
+ *op++ = 'r';
+ if (op - buf > legal_len)
+ return NULL;
+ if (legal_len)
+ *op++ = ' ';
*op = '\0';
if (plen_ptr)
*plen_ptr = op - buf;
- if (op - buf > MAX_RULE_PREFIX)
- overflow("get_rule_prefix");
return buf;
}
-void send_filter_list(int f)
+static void send_rules(int f_out, struct filter_list_struct *flp)
{
- struct filter_struct *ent;
-
- /* 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)
- add_filter(&filter_list, "/*/*", XFLG_DEF_EXCLUDE);
+ struct filter_struct *ent, *prev = NULL;
- for (ent = filter_list.head; ent; ent = ent->next) {
+ for (ent = flp->head; ent; ent = ent->next) {
unsigned int len, plen, dlen;
+ int elide = 0;
char *p;
- len = strlen(ent->pattern);
- if (len == 0 || len >= MAXPATHLEN)
+ /* 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
+ && (!(ent->match_flags & MATCHFLG_PERDIR_MERGE)
+ || ent->match_flags & MATCHFLG_NO_PREFIXES))
+ elide = am_sender ? 1 : -1;
+ if (elide < 0) {
+ if (prev)
+ prev->next = ent->next;
+ else
+ flp->head = ent->next;
+ } else
+ prev = ent;
+ if (elide > 0)
continue;
- p = get_rule_prefix(ent->match_flags, ent->pattern, &plen);
- if (protocol_version < 29 && *p == ':') {
- if (strcmp(p, ":sn- ") == 0
- && strcmp(ent->pattern, ".cvsignore") == 0)
+ if (ent->match_flags & MATCHFLG_CVS_IGNORE
+ && !(ent->match_flags & MATCHFLG_MERGE_FILE)) {
+ int f = am_sender || protocol_version < 29 ? f_out : -2;
+ send_rules(f, &cvs_filter_list);
+ if (f == f_out)
continue;
+ }
+ p = get_rule_prefix(ent->match_flags, ent->pattern, 1, &plen);
+ if (!p) {
rprintf(FERROR,
- "remote rsync is too old to understand per-directory merge files.\n");
+ "filter rules are too modern for remote rsync.\n");
exit_cleanup(RERR_SYNTAX);
}
+ if (f_out < 0)
+ continue;
+ len = strlen(ent->pattern);
dlen = ent->match_flags & MATCHFLG_DIRECTORY ? 1 : 0;
- write_int(f, plen + len + dlen);
+ if (!(plen + len + dlen))
+ continue;
+ write_int(f_out, plen + len + dlen);
if (plen)
- write_buf(f, p, plen);
- write_buf(f, ent->pattern, len);
+ write_buf(f_out, p, plen);
+ write_buf(f_out, ent->pattern, len);
if (dlen)
- write_byte(f, '/');
+ write_byte(f_out, '/');
}
-
- write_int(f, 0);
+ flp->tail = prev;
}
-
-void recv_filter_list(int f)
+/* This is only called by the client. */
+void send_filter_list(int f_out)
{
- char line[MAXPATHLEN+MAX_RULE_PREFIX+1]; /* +1 for trailing slash. */
- unsigned int xflags = protocol_version >= 29 ? 0 : XFLG_DEF_EXCLUDE;
- unsigned int l;
-
- while ((l = read_int(f)) != 0) {
- if (l >= sizeof line)
- overflow("recv_filter_list");
- read_sbuf(f, line, l);
- add_filter(&filter_list, line, xflags);
+ 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;
+ if (cvs_exclude && am_sender) {
+ if (protocol_version >= 29)
+ parse_rule(&filter_list, ":C", 0, 0);
+ 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);
-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 *~ #* .#* ,* _$* *$"
- " *.old *.bak *.BAK *.orig *.rej .del-*"
- " *.a *.olb *.o *.obj *.so *.exe"
- " *.Z *.elc *.ln core"
- /* The rest we added to suit ourself. */
- " .svn/";
+ send_rules(f_out, &filter_list);
+
+ if (f_out >= 0)
+ write_int(f_out, 0);
-void add_cvs_excludes(void)
+ if (cvs_exclude) {
+ if (!am_sender || protocol_version < 29)
+ parse_rule(&filter_list, ":C", 0, 0);
+ if (!am_sender)
+ parse_rule(&filter_list, "-C", 0, 0);
+ }
+}
+
+/* This is only called by the server. */
+void recv_filter_list(int f_in)
{
- static unsigned int cvs_flags = XFLG_WORD_SPLIT | XFLG_NO_PREFIXES
- | XFLG_DEF_EXCLUDE;
- char fname[MAXPATHLEN];
- char *p;
+ char line[BIGPATHBUFLEN];
+ int xflags = protocol_version >= 29 ? 0 : XFLG_OLD_PREFIXES;
+ int receiver_wants_list = prune_empty_dirs
+ || (delete_mode
+ && (!delete_excluded || protocol_version >= 29));
+ unsigned int len;
- add_filter(&filter_list, ":C", 0);
- add_filter(&filter_list, default_cvsignore, cvs_flags);
+ if (!local_server && (am_sender || receiver_wants_list)) {
+ while ((len = read_int(f_in)) != 0) {
+ if (len >= sizeof line)
+ overflow_exit("recv_rules");
+ read_sbuf(f_in, line, len);
+ parse_rule(&filter_list, line, 0, xflags);
+ }
+ }
- if ((p = getenv("HOME"))
- && pathjoin(fname, sizeof fname, p, ".cvsignore") < sizeof fname) {
- add_filter_file(&filter_list, fname, cvs_flags);
+ if (cvs_exclude) {
+ if (local_server || am_sender || protocol_version < 29)
+ parse_rule(&filter_list, ":C", 0, 0);
+ if (local_server || am_sender)
+ parse_rule(&filter_list, "-C", 0, 0);
}
- add_filter(&filter_list, getenv("CVSIGNORE"), cvs_flags);
+ if (local_server) /* filter out any rules that aren't for us. */
+ send_rules(-1, &filter_list);
}