extern unsigned int curr_dir_len;
extern unsigned int module_dirlen;
-struct filter_list_struct filter_list = { .debug_type = "" };
-struct filter_list_struct cvs_filter_list = { .debug_type = " [global CVS]" };
-struct filter_list_struct daemon_filter_list = { .debug_type = " [daemon]" };
+filter_rule_list filter_list = { .debug_type = "" };
+filter_rule_list cvs_filter_list = { .debug_type = " [global CVS]" };
+filter_rule_list daemon_filter_list = { .debug_type = " [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 "/!Crsp"
-#define MODIFIERS_HIDE_PROTECT "/!p"
-
#define SLASH_WILD3_SUFFIX "/***"
/* The dirbuf is set by push_local_filters() to the current subdirectory
/* This array contains a list of all the currently active per-dir merge
* files. This makes it easier to save the appropriate values when we
* "push" down into each subdirectory. */
-static struct filter_struct **mergelist_parents;
+static filter_rule **mergelist_parents;
static int mergelist_cnt = 0;
static int mergelist_size = 0;
* values (so we can pop back to them later) and set the tail to NULL.
*/
-static void teardown_mergelist(struct filter_struct *ex)
+static void teardown_mergelist(filter_rule *ex)
{
if (DEBUG_GTE(FILTER, 2)) {
rprintf(FINFO, "[%s] deactivating mergelist #%d%s\n",
mergelist_cnt--;
}
-static void free_filter(struct filter_struct *ex)
+static void free_filter(filter_rule *ex)
{
- if (ex->rflags & FILTRULE_PERDIR_MERGE)
- teardown_mergelist(ex);
free(ex->pattern);
free(ex);
}
-static void free_filters(struct filter_struct *head)
+static void free_filters(filter_rule *head)
{
- struct filter_struct *rev_head = NULL;
+ filter_rule *rev_head = NULL;
/* Reverse the list so we deactivate mergelists in the proper LIFO
* order. */
while (head) {
- struct filter_struct *next = head->next;
+ filter_rule *next = head->next;
head->next = rev_head;
rev_head = head;
head = next;
}
while (rev_head) {
- struct filter_struct *prev = rev_head->next;
+ filter_rule *prev = rev_head->next;
+ /* Tear down mergelists here, not in free_filter, so that we
+ * affect only real filter lists and not temporarily allocated
+ * filters. */
+ if (rev_head->rflags & FILTRULE_PERDIR_MERGE)
+ teardown_mergelist(rev_head);
free_filter(rev_head);
rev_head = prev;
}
}
/* Build a filter structure given a filter pattern. The value in "pat"
- * is not null-terminated. */
-static void add_rule(struct filter_list_struct *listp, const char *pat,
- unsigned int pat_len, uint32 rflags, int xflags)
+ * is not null-terminated. "rule" is either held or freed, so the
+ * caller should not free it. */
+static void add_rule(filter_rule_list *listp, const char *pat, unsigned int pat_len,
+ filter_rule *rule, int xflags)
{
- struct filter_struct *ret;
const char *cp;
unsigned int pre_len, suf_len, slash_cnt = 0;
if (DEBUG_GTE(FILTER, 2)) {
rprintf(FINFO, "[%s] add_rule(%s%.*s%s)%s\n",
- who_am_i(), get_rule_prefix(rflags, pat, 0, NULL),
+ who_am_i(), get_rule_prefix(rule, pat, 0, NULL),
(int)pat_len, pat,
- (rflags & FILTRULE_DIRECTORY) ? "/" : "",
+ (rule->rflags & FILTRULE_DIRECTORY) ? "/" : "",
listp->debug_type);
}
/* 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 = rflags & (FILTRULE_RECEIVER_SIDE|FILTRULE_SENDER_SIDE);
- if (am_sender) {
- if (mf == FILTRULE_RECEIVER_SIDE)
- return;
- } else {
- if (mf == FILTRULE_SENDER_SIDE)
- return;
- }
+ if (xflags & (XFLG_ANCHORED2ABS|XFLG_ABS_IF_SLASH)
+ && (rule->rflags & FILTRULES_SIDES)
+ == (am_sender ? FILTRULE_RECEIVER_SIDE : FILTRULE_SENDER_SIDE)) {
+ /* This filter applies only to the other side. Drop it. */
+ free_filter(rule);
+ return;
}
- if (!(ret = new0(struct filter_struct)))
- out_of_memory("add_rule");
-
if (pat_len > 1 && pat[pat_len-1] == '/') {
pat_len--;
- rflags |= FILTRULE_DIRECTORY;
+ rule->rflags |= FILTRULE_DIRECTORY;
}
for (cp = pat; cp < pat + pat_len; cp++) {
slash_cnt++;
}
- if (!(rflags & (FILTRULE_ABS_PATH | FILTRULE_MERGE_FILE))
+ if (!(rule->rflags & (FILTRULE_ABS_PATH | FILTRULE_MERGE_FILE))
&& ((xflags & (XFLG_ANCHORED2ABS|XFLG_ABS_IF_SLASH) && *pat == '/')
|| (xflags & XFLG_ABS_IF_SLASH && slash_cnt))) {
- rflags |= FILTRULE_ABS_PATH;
+ rule->rflags |= FILTRULE_ABS_PATH;
if (*pat == '/')
pre_len = dirbuf_len - module_dirlen - 1;
else
/* The daemon wants dir-exclude rules to get an appended "/" + "***". */
if (xflags & XFLG_DIR2WILD3
- && BITS_SETnUNSET(rflags, FILTRULE_DIRECTORY, FILTRULE_INCLUDE)) {
- rflags &= ~FILTRULE_DIRECTORY;
+ && BITS_SETnUNSET(rule->rflags, FILTRULE_DIRECTORY, FILTRULE_INCLUDE)) {
+ rule->rflags &= ~FILTRULE_DIRECTORY;
suf_len = sizeof SLASH_WILD3_SUFFIX - 1;
} else
suf_len = 0;
- if (!(ret->pattern = new_array(char, pre_len + pat_len + suf_len + 1)))
+ if (!(rule->pattern = new_array(char, pre_len + pat_len + suf_len + 1)))
out_of_memory("add_rule");
if (pre_len) {
- memcpy(ret->pattern, dirbuf + module_dirlen, pre_len);
- for (cp = ret->pattern; cp < ret->pattern + pre_len; cp++) {
+ memcpy(rule->pattern, dirbuf + module_dirlen, pre_len);
+ for (cp = rule->pattern; cp < rule->pattern + pre_len; cp++) {
if (*cp == '/')
slash_cnt++;
}
}
- strlcpy(ret->pattern + pre_len, pat, pat_len + 1);
+ strlcpy(rule->pattern + pre_len, pat, pat_len + 1);
pat_len += pre_len;
if (suf_len) {
- memcpy(ret->pattern + pat_len, SLASH_WILD3_SUFFIX, suf_len+1);
+ memcpy(rule->pattern + pat_len, SLASH_WILD3_SUFFIX, suf_len+1);
pat_len += suf_len;
slash_cnt++;
}
- if (strpbrk(ret->pattern, "*[?")) {
- rflags |= FILTRULE_WILD;
- if ((cp = strstr(ret->pattern, "**")) != NULL) {
- rflags |= FILTRULE_WILD2;
+ if (strpbrk(rule->pattern, "*[?")) {
+ rule->rflags |= FILTRULE_WILD;
+ if ((cp = strstr(rule->pattern, "**")) != NULL) {
+ rule->rflags |= FILTRULE_WILD2;
/* If the pattern starts with **, note that. */
- if (cp == ret->pattern)
- rflags |= FILTRULE_WILD2_PREFIX;
+ if (cp == rule->pattern)
+ rule->rflags |= FILTRULE_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] == '*')
- rflags |= FILTRULE_WILD3_SUFFIX;
+ && rule->pattern[pat_len-3] == '*'
+ && rule->pattern[pat_len-2] == '*'
+ && rule->pattern[pat_len-1] == '*')
+ rule->rflags |= FILTRULE_WILD3_SUFFIX;
}
}
- if (rflags & FILTRULE_PERDIR_MERGE) {
- struct filter_list_struct *lp;
+ if (rule->rflags & FILTRULE_PERDIR_MERGE) {
+ filter_rule_list *lp;
unsigned int len;
int i;
- if ((cp = strrchr(ret->pattern, '/')) != NULL)
+ if ((cp = strrchr(rule->pattern, '/')) != NULL)
cp++;
else
- cp = ret->pattern;
+ cp = rule->pattern;
/* If the local merge file was already mentioned, don't
* add it again. */
for (i = 0; i < mergelist_cnt; i++) {
- struct filter_struct *ex = mergelist_parents[i];
+ filter_rule *ex = mergelist_parents[i];
const char *s = strrchr(ex->pattern, '/');
if (s)
s++;
else
s = ex->pattern;
len = strlen(s);
- if (len == pat_len - (cp - ret->pattern)
- && memcmp(s, cp, len) == 0) {
- free_filter(ret);
+ if (len == pat_len - (cp - rule->pattern) && memcmp(s, cp, len) == 0) {
+ free_filter(rule);
return;
}
}
- if (!(lp = new_array(struct filter_list_struct, 1)))
+ if (!(lp = new_array(filter_rule_list, 1)))
out_of_memory("add_rule");
lp->head = lp->tail = lp->parent_dirscan_head = NULL;
if (asprintf(&lp->debug_type, " [per-dir %s]", cp) < 0)
out_of_memory("add_rule");
- ret->u.mergelist = lp;
+ rule->u.mergelist = lp;
if (mergelist_cnt == mergelist_size) {
mergelist_size += 5;
mergelist_parents = realloc_array(mergelist_parents,
- struct filter_struct *,
+ filter_rule *,
mergelist_size);
if (!mergelist_parents)
out_of_memory("add_rule");
rprintf(FINFO, "[%s] activating mergelist #%d%s\n",
who_am_i(), mergelist_cnt, lp->debug_type);
}
- mergelist_parents[mergelist_cnt++] = ret;
+ mergelist_parents[mergelist_cnt++] = rule;
} else
- ret->u.slash_cnt = slash_cnt;
-
- ret->rflags = rflags;
+ rule->u.slash_cnt = slash_cnt;
if (!listp->tail) {
- ret->next = listp->head;
- listp->head = listp->tail = ret;
+ rule->next = listp->head;
+ listp->head = listp->tail = rule;
} else {
- ret->next = listp->tail->next;
- listp->tail->next = ret;
- listp->tail = ret;
+ rule->next = listp->tail->next;
+ listp->tail->next = rule;
+ listp->tail = rule;
}
}
-static void clear_filter_list(struct filter_list_struct *listp)
+static void clear_filter_list(filter_rule_list *listp)
{
if (listp->tail) {
/* Truncate any inherited items from the local list. */
* parent directory of the first transfer dir. If it does, we scan all the
* 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(int mergelist_num, struct filter_struct *ex,
- struct filter_list_struct *lp)
+static BOOL setup_merge_file(int mergelist_num, filter_rule *ex,
+ filter_rule_list *lp)
{
char buf[MAXPATHLEN];
char *x, *y, *pat = ex->pattern;
*y = '\0';
dirbuf_len = y - dirbuf;
strlcpy(x, ex->pattern, MAXPATHLEN - (x - buf));
- parse_filter_file(lp, buf, ex->rflags, XFLG_ANCHORED2ABS);
+ parse_filter_file(lp, buf, ex, XFLG_ANCHORED2ABS);
if (ex->rflags & FILTRULE_NO_INHERIT) {
/* Free the undesired rules to clean up any per-dir
* mergelists they defined. Otherwise pop_local_filters
struct local_filter_state {
int mergelist_cnt;
- struct filter_list_struct mergelists[1];
+ filter_rule_list mergelists[1];
};
/* Each time rsync changes to a new directory it call this function to
push = (struct local_filter_state *)new_array(char,
sizeof (struct local_filter_state)
- + (mergelist_cnt-1) * sizeof (struct filter_list_struct));
+ + (mergelist_cnt-1) * sizeof (filter_rule_list));
if (!push)
out_of_memory("push_local_filters");
push->mergelist_cnt = mergelist_cnt;
for (i = 0; i < mergelist_cnt; i++) {
memcpy(&push->mergelists[i], mergelist_parents[i]->u.mergelist,
- sizeof (struct filter_list_struct));
+ sizeof (filter_rule_list));
}
/* 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;
+ filter_rule *ex = mergelist_parents[i];
+ filter_rule_list *lp = ex->u.mergelist;
if (DEBUG_GTE(FILTER, 2)) {
rprintf(FINFO, "[%s] pushing mergelist #%d%s\n",
if (strlcpy(dirbuf + dirbuf_len, ex->pattern,
MAXPATHLEN - dirbuf_len) < MAXPATHLEN - dirbuf_len) {
- parse_filter_file(lp, dirbuf, ex->rflags,
+ parse_filter_file(lp, dirbuf, ex,
XFLG_ANCHORED2ABS);
} else {
io_error |= IOERR_GENERAL;
rprintf(FINFO, "[%s] popping local filters\n", who_am_i());
for (i = mergelist_cnt; i-- > 0; ) {
- struct filter_struct *ex = mergelist_parents[i];
- struct filter_list_struct *lp = ex->u.mergelist;
+ filter_rule *ex = mergelist_parents[i];
+ filter_rule_list *lp = ex->u.mergelist;
if (DEBUG_GTE(FILTER, 2)) {
rprintf(FINFO, "[%s] popping mergelist #%d%s\n",
for (i = 0; i < mergelist_cnt; i++) {
memcpy(mergelist_parents[i]->u.mergelist, &pop->mergelists[i],
- sizeof (struct filter_list_struct));
+ sizeof (filter_rule_list));
}
free(pop);
filt_array[cur_depth] = push_local_filters(dname, dlen);
}
-static int rule_matches(const char *fname, struct filter_struct *ex, int name_is_dir)
+static int rule_matches(const char *fname, filter_rule *ex, int name_is_dir)
{
int slash_handling, str_cnt = 0, anchored_match = 0;
int ret_match = ex->rflags & FILTRULE_NEGATE ? 0 : 1;
return !ret_match;
}
-
static void report_filter_result(enum logcode code, char const *name,
- struct filter_struct const *ent,
+ filter_rule const *ent,
int name_is_dir, const char *type)
{
/* If a trailing slash is present to match only directories,
}
}
-
-/*
- * 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, enum logcode code,
+/* 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(filter_rule_list *listp, enum logcode code,
const char *name, int name_is_dir)
{
- struct filter_struct *ent;
+ filter_rule *ent;
for (ent = listp->head; ent; ent = ent->next) {
if (ignore_perishable && ent->rflags & FILTRULE_PERISHABLE)
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 (depending on the rflags) the various prefixes.
- * The *rflags_ptr value will be set on exit to the new FILTRULE_* bits
- * for the current token. */
-static const char *parse_rule_tok(const char *p, uint32 rflags, int xflags,
- unsigned int *len_ptr, uint32 *rflags_ptr)
+#define FILTRULES_FROM_CONTAINER (FILTRULE_ABS_PATH | FILTRULE_INCLUDE \
+ | FILTRULE_DIRECTORY | FILTRULE_NEGATE \
+ | FILTRULE_PERISHABLE)
+
+/* Gets the next include/exclude rule from *rulestr_ptr and advances
+ * *rulestr_ptr to point beyond it. Stores the pattern's start (within
+ * *rulestr_ptr) and length in *pat_ptr and *pat_len_ptr, and returns a newly
+ * allocated filter_rule containing the rest of the information. Returns
+ * NULL if there are no more rules in the input.
+ *
+ * The template provides defaults for the new rule to inherit, and the
+ * template rflags and the xflags additionally affect parsing. */
+static filter_rule *parse_rule_tok(const char **rulestr_ptr,
+ const filter_rule *template, int xflags,
+ const char **pat_ptr, unsigned int *pat_len_ptr)
{
- const uchar *s = (const uchar *)p;
- uint32 new_rflags;
+ const uchar *s = (const uchar *)*rulestr_ptr;
+ filter_rule *rule;
unsigned int len;
- if (rflags & FILTRULE_WORD_SPLIT) {
+ if (template->rflags & FILTRULE_WORD_SPLIT) {
/* Skip over any initial whitespace. */
while (isspace(*s))
s++;
/* Update to point to real start of rule. */
- p = (const char *)s;
+ *rulestr_ptr = (const char *)s;
}
if (!*s)
return NULL;
- new_rflags = rflags & FILTRULES_FROM_CONTAINER;
+ if (!(rule = new0(filter_rule)))
+ out_of_memory("parse_rule_tok");
+
+ /* Inherit from the template. Don't inherit FILTRULES_SIDES; we check
+ * that later. */
+ rule->rflags = template->rflags & FILTRULES_FROM_CONTAINER;
/* Figure out what kind of a filter rule "s" is pointing at. Note
* that if FILTRULE_NO_PREFIXES is set, the rule is either an include
* flag (above). XFLG_OLD_PREFIXES indicates a compatibility mode
* for old include/exclude patterns where just "+ " and "- " are
* allowed as optional prefixes. */
- if (rflags & FILTRULE_NO_PREFIXES) {
- if (*s == '!' && rflags & FILTRULE_CVS_IGNORE)
- new_rflags |= FILTRULE_CLEAR_LIST; /* Tentative! */
+ if (template->rflags & FILTRULE_NO_PREFIXES) {
+ if (*s == '!' && template->rflags & FILTRULE_CVS_IGNORE)
+ rule->rflags |= FILTRULE_CLEAR_LIST; /* Tentative! */
} else if (xflags & XFLG_OLD_PREFIXES) {
if (*s == '-' && s[1] == ' ') {
- new_rflags &= ~FILTRULE_INCLUDE;
+ rule->rflags &= ~FILTRULE_INCLUDE;
s += 2;
} else if (*s == '+' && s[1] == ' ') {
- new_rflags |= FILTRULE_INCLUDE;
+ rule->rflags |= FILTRULE_INCLUDE;
s += 2;
} else if (*s == '!')
- new_rflags |= FILTRULE_CLEAR_LIST; /* Tentative! */
+ rule->rflags |= FILTRULE_CLEAR_LIST; /* Tentative! */
} else {
- char ch = 0, *mods = "";
+ char ch = 0;
+ BOOL prefix_specifies_side = False;
switch (*s) {
case 'c':
if ((s = RULE_STRCMP(s, "clear")) != NULL)
}
switch (ch) {
case ':':
- new_rflags |= FILTRULE_PERDIR_MERGE
- | FILTRULE_FINISH_SETUP;
+ rule->rflags |= FILTRULE_PERDIR_MERGE
+ | FILTRULE_FINISH_SETUP;
/* FALL THROUGH */
case '.':
- new_rflags |= FILTRULE_MERGE_FILE;
- mods = MODIFIERS_INCL_EXCL MODIFIERS_MERGE_FILE;
+ rule->rflags |= FILTRULE_MERGE_FILE;
break;
case '+':
- new_rflags |= FILTRULE_INCLUDE;
- /* FALL THROUGH */
+ rule->rflags |= FILTRULE_INCLUDE;
+ break;
case '-':
- mods = MODIFIERS_INCL_EXCL;
break;
case 'S':
- new_rflags |= FILTRULE_INCLUDE;
+ rule->rflags |= FILTRULE_INCLUDE;
/* FALL THROUGH */
case 'H':
- new_rflags |= FILTRULE_SENDER_SIDE;
- mods = MODIFIERS_HIDE_PROTECT;
+ rule->rflags |= FILTRULE_SENDER_SIDE;
+ prefix_specifies_side = True;
break;
case 'R':
- new_rflags |= FILTRULE_INCLUDE;
+ rule->rflags |= FILTRULE_INCLUDE;
/* FALL THROUGH */
case 'P':
- new_rflags |= FILTRULE_RECEIVER_SIDE;
- mods = MODIFIERS_HIDE_PROTECT;
+ rule->rflags |= FILTRULE_RECEIVER_SIDE;
+ prefix_specifies_side = True;
break;
case '!':
- new_rflags |= FILTRULE_CLEAR_LIST;
- mods = NULL;
+ rule->rflags |= FILTRULE_CLEAR_LIST;
break;
default:
- rprintf(FERROR, "Unknown filter rule: `%s'\n", p);
+ rprintf(FERROR, "Unknown filter rule: `%s'\n", *rulestr_ptr);
exit_cleanup(RERR_SYNTAX);
}
- while (mods && *++s && *s != ' ' && *s != '_') {
- if (strchr(mods, *s) == NULL) {
- if (rflags & FILTRULE_WORD_SPLIT && isspace(*s)) {
- s--;
- break;
- }
+ while (ch != '!' && *++s && *s != ' ' && *s != '_') {
+ if (template->rflags & FILTRULE_WORD_SPLIT && isspace(*s)) {
+ s--;
+ break;
+ }
+ switch (*s) {
+ default:
invalid:
rprintf(FERROR,
- "invalid modifier sequence at '%c' in filter rule: %s\n",
- *s, p);
+ "invalid modifier '%c' at position %d in filter rule: %s\n",
+ *s, (int)(s - (const uchar *)*rulestr_ptr), *rulestr_ptr);
exit_cleanup(RERR_SYNTAX);
- }
- switch (*s) {
case '-':
- if (new_rflags & FILTRULE_NO_PREFIXES)
- goto invalid;
- new_rflags |= FILTRULE_NO_PREFIXES;
+ if (!BITS_SETnUNSET(rule->rflags, FILTRULE_MERGE_FILE, FILTRULE_NO_PREFIXES))
+ goto invalid;
+ rule->rflags |= FILTRULE_NO_PREFIXES;
break;
case '+':
- if (new_rflags & FILTRULE_NO_PREFIXES)
- goto invalid;
- new_rflags |= FILTRULE_NO_PREFIXES
- | FILTRULE_INCLUDE;
+ if (!BITS_SETnUNSET(rule->rflags, FILTRULE_MERGE_FILE, FILTRULE_NO_PREFIXES))
+ goto invalid;
+ rule->rflags |= FILTRULE_NO_PREFIXES
+ | FILTRULE_INCLUDE;
break;
case '/':
- new_rflags |= FILTRULE_ABS_PATH;
+ rule->rflags |= FILTRULE_ABS_PATH;
break;
case '!':
- new_rflags |= FILTRULE_NEGATE;
+ /* Negation really goes with the pattern, so it
+ * isn't useful as a merge-file default. */
+ if (rule->rflags & FILTRULE_MERGE_FILE)
+ goto invalid;
+ rule->rflags |= FILTRULE_NEGATE;
break;
case 'C':
- if (new_rflags & FILTRULE_NO_PREFIXES)
- goto invalid;
- new_rflags |= FILTRULE_NO_PREFIXES
- | FILTRULE_WORD_SPLIT
- | FILTRULE_NO_INHERIT
- | FILTRULE_CVS_IGNORE;
+ if (rule->rflags & FILTRULE_NO_PREFIXES || prefix_specifies_side)
+ goto invalid;
+ rule->rflags |= FILTRULE_NO_PREFIXES
+ | FILTRULE_WORD_SPLIT
+ | FILTRULE_NO_INHERIT
+ | FILTRULE_CVS_IGNORE;
break;
case 'e':
- new_rflags |= FILTRULE_EXCLUDE_SELF;
+ if (!(rule->rflags & FILTRULE_MERGE_FILE))
+ goto invalid;
+ rule->rflags |= FILTRULE_EXCLUDE_SELF;
break;
case 'n':
- new_rflags |= FILTRULE_NO_INHERIT;
+ if (!(rule->rflags & FILTRULE_MERGE_FILE))
+ goto invalid;
+ rule->rflags |= FILTRULE_NO_INHERIT;
break;
case 'p':
- new_rflags |= FILTRULE_PERISHABLE;
+ rule->rflags |= FILTRULE_PERISHABLE;
break;
case 'r':
- new_rflags |= FILTRULE_RECEIVER_SIDE;
+ if (prefix_specifies_side)
+ goto invalid;
+ rule->rflags |= FILTRULE_RECEIVER_SIDE;
break;
case 's':
- new_rflags |= FILTRULE_SENDER_SIDE;
+ if (prefix_specifies_side)
+ goto invalid;
+ rule->rflags |= FILTRULE_SENDER_SIDE;
break;
case 'w':
- new_rflags |= FILTRULE_WORD_SPLIT;
+ if (!(rule->rflags & FILTRULE_MERGE_FILE))
+ goto invalid;
+ rule->rflags |= FILTRULE_WORD_SPLIT;
break;
}
}
if (*s)
s++;
}
+ if (template->rflags & FILTRULES_SIDES) {
+ if (rule->rflags & FILTRULES_SIDES) {
+ /* The filter and template both specify side(s). This
+ * is dodgy (and won't work correctly if the template is
+ * a one-sided per-dir merge rule), so reject it. */
+ rprintf(FERROR,
+ "specified-side merge file contains specified-side filter: %s\n",
+ *rulestr_ptr);
+ exit_cleanup(RERR_SYNTAX);
+ }
+ rule->rflags |= template->rflags & FILTRULES_SIDES;
+ }
- if (rflags & FILTRULE_WORD_SPLIT) {
+ if (template->rflags & FILTRULE_WORD_SPLIT) {
const uchar *cp = s;
/* Token ends at whitespace or the end of the string. */
while (!isspace(*cp) && *cp != '\0')
} else
len = strlen((char*)s);
- if (new_rflags & FILTRULE_CLEAR_LIST) {
- if (!(rflags & FILTRULE_NO_PREFIXES)
+ if (rule->rflags & FILTRULE_CLEAR_LIST) {
+ if (!(rule->rflags & FILTRULE_NO_PREFIXES)
&& !(xflags & XFLG_OLD_PREFIXES) && len) {
rprintf(FERROR,
- "'!' rule has trailing characters: %s\n", p);
+ "'!' rule has trailing characters: %s\n", *rulestr_ptr);
exit_cleanup(RERR_SYNTAX);
}
if (len > 1)
- new_rflags &= ~FILTRULE_CLEAR_LIST;
- } else if (!len && !(new_rflags & FILTRULE_CVS_IGNORE)) {
- rprintf(FERROR, "unexpected end of filter rule: %s\n", p);
+ rule->rflags &= ~FILTRULE_CLEAR_LIST;
+ } else if (!len && !(rule->rflags & FILTRULE_CVS_IGNORE)) {
+ rprintf(FERROR, "unexpected end of filter rule: %s\n", *rulestr_ptr);
exit_cleanup(RERR_SYNTAX);
}
* sender-side rule. We also affect per-dir merge files that take
* no prefixes as a simple optimization. */
if (delete_excluded
- && !(new_rflags & (FILTRULE_RECEIVER_SIDE|FILTRULE_SENDER_SIDE))
- && (!(new_rflags & FILTRULE_PERDIR_MERGE)
- || new_rflags & FILTRULE_NO_PREFIXES))
- new_rflags |= FILTRULE_SENDER_SIDE;
-
- *len_ptr = len;
- *rflags_ptr = new_rflags;
- return (const char *)s;
+ && !(rule->rflags & FILTRULES_SIDES)
+ && (!(rule->rflags & FILTRULE_PERDIR_MERGE)
+ || rule->rflags & FILTRULE_NO_PREFIXES))
+ rule->rflags |= FILTRULE_SENDER_SIDE;
+
+ *pat_ptr = (const char *)s;
+ *pat_len_ptr = len;
+ *rulestr_ptr = *pat_ptr + len;
+ return rule;
}
-
static char default_cvsignore[] =
/* These default ignored items come from the CVS manual. */
"RCS SCCS CVS CVS.adm RCSLOG cvslog.* tags TAGS"
return;
initialized = 1;
- parse_rule(&cvs_filter_list, default_cvsignore,
- rflags | (protocol_version >= 30 ? FILTRULE_PERISHABLE : 0),
- 0);
+ parse_filter_str(&cvs_filter_list, default_cvsignore,
+ rule_template(rflags | (protocol_version >= 30 ? FILTRULE_PERISHABLE : 0)),
+ 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, rflags, 0);
+ parse_filter_file(&cvs_filter_list, fname, rule_template(rflags), 0);
- parse_rule(&cvs_filter_list, getenv("CVSIGNORE"), rflags, 0);
+ parse_filter_str(&cvs_filter_list, getenv("CVSIGNORE"), rule_template(rflags), 0);
}
+const filter_rule *rule_template(uint32 rflags)
+{
+ static filter_rule template; /* zero-initialized */
+ template.rflags = rflags;
+ return &template;
+}
-void parse_rule(struct filter_list_struct *listp, const char *pattern,
- uint32 rflags, int xflags)
+void parse_filter_str(filter_rule_list *listp, const char *rulestr,
+ const filter_rule *template, int xflags)
{
+ filter_rule *rule;
+ const char *pat;
unsigned int pat_len;
- uint32 new_rflags;
- const char *cp, *p;
- if (!pattern)
+ if (!rulestr)
return;
while (1) {
+ uint32 new_rflags;
+
/* Remember that the returned string is NOT '\0' terminated! */
- cp = parse_rule_tok(pattern, rflags, xflags,
- &pat_len, &new_rflags);
- if (!cp)
+ if (!(rule = parse_rule_tok(&rulestr, template, xflags, &pat, &pat_len)))
break;
- pattern = cp + pat_len;
-
if (pat_len >= MAXPATHLEN) {
rprintf(FERROR, "discarding over-long filter: %.*s\n",
- (int)pat_len, cp);
+ (int)pat_len, pat);
+ free_continue:
+ free_filter(rule);
continue;
}
+ new_rflags = rule->rflags;
if (new_rflags & FILTRULE_CLEAR_LIST) {
if (DEBUG_GTE(FILTER, 2)) {
rprintf(FINFO,
who_am_i(), listp->debug_type);
}
clear_filter_list(listp);
- continue;
+ goto free_continue;
}
if (new_rflags & FILTRULE_MERGE_FILE) {
- unsigned int len;
if (!pat_len) {
- cp = ".cvsignore";
+ pat = ".cvsignore";
pat_len = 10;
}
- len = pat_len;
if (new_rflags & FILTRULE_EXCLUDE_SELF) {
- const char *name = cp + len;
- while (name > cp && name[-1] != '/') name--;
- len -= name - cp;
- add_rule(listp, name, len, 0, 0);
- new_rflags &= ~FILTRULE_EXCLUDE_SELF;
- len = pat_len;
+ const char *name;
+ filter_rule *excl_self;
+
+ if (!(excl_self = new0(filter_rule)))
+ out_of_memory("parse_filter_str");
+ /* Find the beginning of the basename and add an exclude for it. */
+ for (name = pat + pat_len; name > pat && name[-1] != '/'; name--) {}
+ add_rule(listp, name, (pat + pat_len) - name, excl_self, 0);
+ rule->rflags &= ~FILTRULE_EXCLUDE_SELF;
}
if (new_rflags & FILTRULE_PERDIR_MERGE) {
if (parent_dirscan) {
- if (!(p = parse_merge_name(cp, &len,
- module_dirlen)))
- continue;
- add_rule(listp, p, len, new_rflags, 0);
+ const char *p;
+ unsigned int len = pat_len;
+ if ((p = parse_merge_name(pat, &len, module_dirlen)))
+ add_rule(listp, p, len, rule, 0);
+ else
+ free_filter(rule);
continue;
}
} else {
- if (!(p = parse_merge_name(cp, &len, 0)))
- continue;
- parse_filter_file(listp, p, new_rflags,
- XFLG_FATAL_ERRORS);
+ const char *p;
+ unsigned int len = pat_len;
+ if ((p = parse_merge_name(pat, &len, 0)))
+ parse_filter_file(listp, p, rule, XFLG_FATAL_ERRORS);
+ free_filter(rule);
continue;
}
}
- add_rule(listp, cp, pat_len, new_rflags, xflags);
+ add_rule(listp, pat, pat_len, rule, xflags);
if (new_rflags & FILTRULE_CVS_IGNORE
&& !(new_rflags & FILTRULE_MERGE_FILE))
}
}
-
-void parse_filter_file(struct filter_list_struct *listp, const char *fname,
- uint32 rflags, int xflags)
+void parse_filter_file(filter_rule_list *listp, const char *fname, const filter_rule *template, int xflags)
{
FILE *fp;
char line[BIGPATHBUFLEN];
char *eob = line + sizeof line - 1;
- int word_split = rflags & FILTRULE_WORD_SPLIT;
+ BOOL word_split = (template->rflags & FILTRULE_WORD_SPLIT) != 0;
if (!fname || !*fname)
return;
if (DEBUG_GTE(FILTER, 2)) {
rprintf(FINFO, "[%s] parse_filter_file(%s,%x,%x)%s\n",
- who_am_i(), fname, rflags, xflags,
+ who_am_i(), fname, template->rflags, xflags,
fp ? "" : " [not found]");
}
if (xflags & XFLG_FATAL_ERRORS) {
rsyserr(FERROR, errno,
"failed to open %sclude file %s",
- rflags & FILTRULE_INCLUDE ? "in" : "ex",
+ template->rflags & FILTRULE_INCLUDE ? "in" : "ex",
fname);
exit_cleanup(RERR_FILEIO);
}
*s = '\0';
/* Skip an empty token and (when line parsing) comments. */
if (*line && (word_split || (*line != ';' && *line != '#')))
- parse_rule(listp, line, rflags, xflags);
+ parse_filter_str(listp, line, template, xflags);
if (ch == EOF)
break;
}
/* 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 rflags, const char *pat, int for_xfer,
+char *get_rule_prefix(filter_rule *rule, 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 (rflags & FILTRULE_PERDIR_MERGE) {
+ if (rule->rflags & FILTRULE_PERDIR_MERGE) {
if (legal_len == 1)
return NULL;
*op++ = ':';
- } else if (rflags & FILTRULE_INCLUDE)
+ } else if (rule->rflags & FILTRULE_INCLUDE)
*op++ = '+';
else if (legal_len != 1
|| ((*pat == '-' || *pat == '+') && pat[1] == ' '))
else
legal_len = 0;
- if (rflags & FILTRULE_NEGATE)
+ if (rule->rflags & FILTRULE_ABS_PATH)
+ *op++ = '/';
+ if (rule->rflags & FILTRULE_NEGATE)
*op++ = '!';
- if (rflags & FILTRULE_CVS_IGNORE)
+ if (rule->rflags & FILTRULE_CVS_IGNORE)
*op++ = 'C';
else {
- if (rflags & FILTRULE_NO_INHERIT)
+ if (rule->rflags & FILTRULE_NO_INHERIT)
*op++ = 'n';
- if (rflags & FILTRULE_WORD_SPLIT)
+ if (rule->rflags & FILTRULE_WORD_SPLIT)
*op++ = 'w';
- if (rflags & FILTRULE_NO_PREFIXES) {
- if (rflags & FILTRULE_INCLUDE)
+ if (rule->rflags & FILTRULE_NO_PREFIXES) {
+ if (rule->rflags & FILTRULE_INCLUDE)
*op++ = '+';
else
*op++ = '-';
}
}
- if (rflags & FILTRULE_EXCLUDE_SELF)
+ if (rule->rflags & FILTRULE_EXCLUDE_SELF)
*op++ = 'e';
- if (rflags & FILTRULE_SENDER_SIDE
+ if (rule->rflags & FILTRULE_SENDER_SIDE
&& (!for_xfer || protocol_version >= 29))
*op++ = 's';
- if (rflags & FILTRULE_RECEIVER_SIDE
+ if (rule->rflags & FILTRULE_RECEIVER_SIDE
&& (!for_xfer || protocol_version >= 29
|| (delete_excluded && am_sender)))
*op++ = 'r';
- if (rflags & FILTRULE_PERISHABLE) {
+ if (rule->rflags & FILTRULE_PERISHABLE) {
if (!for_xfer || protocol_version >= 30)
*op++ = 'p';
else if (am_sender)
return buf;
}
-static void send_rules(int f_out, struct filter_list_struct *flp)
+static void send_rules(int f_out, filter_rule_list *flp)
{
- struct filter_struct *ent, *prev = NULL;
+ filter_rule *ent, *prev = NULL;
for (ent = flp->head; ent; ent = ent->next) {
unsigned int len, plen, dlen;
if (f == f_out)
continue;
}
- p = get_rule_prefix(ent->rflags, ent->pattern, 1, &plen);
+ p = get_rule_prefix(ent, ent->pattern, 1, &plen);
if (!p) {
rprintf(FERROR,
"filter rules are too modern for remote rsync.\n");
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);
+ parse_filter_str(&filter_list, ":C", rule_template(0), 0);
+ parse_filter_str(&filter_list, "-C", rule_template(0), 0);
}
send_rules(f_out, &filter_list);
if (cvs_exclude) {
if (!am_sender || protocol_version < 29)
- parse_rule(&filter_list, ":C", 0, 0);
+ parse_filter_str(&filter_list, ":C", rule_template(0), 0);
if (!am_sender)
- parse_rule(&filter_list, "-C", 0, 0);
+ parse_filter_str(&filter_list, "-C", rule_template(0), 0);
}
}
if (len >= sizeof line)
overflow_exit("recv_rules");
read_sbuf(f_in, line, len);
- parse_rule(&filter_list, line, 0, xflags);
+ parse_filter_str(&filter_list, line, rule_template(0), xflags);
}
}
if (cvs_exclude) {
if (local_server || am_sender || protocol_version < 29)
- parse_rule(&filter_list, ":C", 0, 0);
+ parse_filter_str(&filter_list, ":C", rule_template(0), 0);
if (local_server || am_sender)
- parse_rule(&filter_list, "-C", 0, 0);
+ parse_filter_str(&filter_list, "-C", rule_template(0), 0);
}
if (local_server) /* filter out any rules that aren't for us. */