+
+ if (!(ret = new0(struct filter_struct)))
+ out_of_memory("add_rule");
+
+ 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 && slash_cnt))) {
+ mflags |= MATCHFLG_ABS_PATH;
+ if (*pat == '/')
+ pre_len = dirbuf_len - module_dirlen - 1;
+ else
+ pre_len = 0;
+ } else
+ pre_len = 0;
+
+ /* The daemon wants dir-exclude rules to get an appended "/" + "***". */
+ if (xflags & XFLG_DIR2WILD3
+ && BITS_SETnUNSET(mflags, MATCHFLG_DIRECTORY, MATCHFLG_INCLUDE)) {
+ mflags &= ~MATCHFLG_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)))
+ 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++) {
+ if (*cp == '/')
+ slash_cnt++;
+ }
+ }
+ strlcpy(ret->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);
+ pat_len += suf_len;
+ slash_cnt++;
+ }
+
+ if (strpbrk(ret->pattern, "*[?")) {
+ mflags |= MATCHFLG_WILD;
+ if ((cp = strstr(ret->pattern, "**")) != NULL) {
+ mflags |= MATCHFLG_WILD2;
+ /* 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 (mflags & MATCHFLG_PERDIR_MERGE) {
+ struct filter_list_struct *lp;
+ unsigned int len;
+ int i;
+
+ if ((cp = strrchr(ret->pattern, '/')) != NULL)
+ cp++;
+ else
+ cp = ret->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];
+ 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);
+ return;
+ }
+ }
+
+ if (!(lp = new_array(struct filter_list_struct, 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;
+
+ if (mergelist_cnt == mergelist_size) {
+ mergelist_size += 5;
+ mergelist_parents = realloc_array(mergelist_parents,
+ struct filter_struct *,
+ mergelist_size);
+ if (!mergelist_parents)
+ out_of_memory("add_rule");
+ }
+ if (DEBUG_GTE(FILTER, 2)) {
+ rprintf(FINFO, "[%s] activating mergelist #%d%s\n",
+ who_am_i(), mergelist_cnt, lp->debug_type);
+ }
+ mergelist_parents[mergelist_cnt++] = ret;
+ } else
+ ret->u.slash_cnt = slash_cnt;
+
+ ret->match_flags = mflags;
+
+ if (!listp->tail) {
+ ret->next = listp->head;
+ listp->head = listp->tail = ret;
+ } else {
+ ret->next = listp->tail->next;
+ listp->tail->next = ret;
+ listp->tail = ret;
+ }