commit ac1c86f65589a9d82e5f2e72c27a039bb2dde606
parent 859165f3e7eea449f2e32df327516680baf8fe1d
Author: sin <sin@2f30.org>
Date: Tue, 24 Jun 2014 15:20:56 +0100
Oops forgot reject.c
Diffstat:
| A | reject.c | | | 84 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 84 insertions(+), 0 deletions(-)
diff --git a/reject.c b/reject.c
@@ -0,0 +1,84 @@
+/* See LICENSE file for copyright and license details. */
+#include "pkg.h"
+
+/* Release the pre-loaded regexes */
+void
+rej_free(struct db *db)
+{
+ struct rejrule *rule, *tmp;
+
+ for (rule = TAILQ_FIRST(&db->rejrule_head); rule; rule = tmp) {
+ tmp = TAILQ_NEXT(rule, entry);
+ regfree(&rule->preg);
+ free(rule);
+ }
+}
+
+/* Parse reject.conf and pre-compute regexes */
+int
+rej_load(struct db *db)
+{
+ struct rejrule *rule;
+ char rejpath[PATH_MAX];
+ FILE *fp;
+ char *buf = NULL;
+ size_t sz = 0;
+ ssize_t len;
+ int r;
+
+ estrlcpy(rejpath, db->prefix, sizeof(rejpath));
+ estrlcat(rejpath, DBPATHREJECT, sizeof(rejpath));
+
+ if (!(fp = fopen(rejpath, "r")))
+ return -1;
+
+ while ((len = getline(&buf, &sz, fp)) != -1) {
+ if (!len || buf[0] == '#' || buf[0] == '\n')
+ continue; /* skip empty lines and comments. */
+ if (len > 0 && buf[len - 1] == '\n')
+ buf[len - 1] = '\0';
+
+ /* copy and add regex */
+ rule = emalloc(sizeof(*rule));
+
+ r = regcomp(&(rule->preg), buf, REG_NOSUB | REG_EXTENDED);
+ if (r != 0) {
+ regerror(r, &(rule->preg), buf, len);
+ weprintf("invalid pattern: %s\n", buf);
+ free(buf);
+ fclose(fp);
+ rej_free(db);
+ return -1;
+ }
+
+ TAILQ_INSERT_TAIL(&db->rejrule_head, rule, entry);
+ }
+ free(buf);
+ if (ferror(fp)) {
+ weprintf("%s: read error:", rejpath);
+ fclose(fp);
+ rej_free(db);
+ return -1;
+ }
+ fclose(fp);
+
+ return 0;
+}
+
+/* Match pre-computed regexes against the given filename */
+int
+rej_match(struct db *db, const char *file)
+{
+ struct rejrule *rule;
+
+ /* Skip initial '.' of "./" */
+ if (strncmp(file, "./", 2) == 0)
+ file++;
+
+ TAILQ_FOREACH(rule, &db->rejrule_head, entry) {
+ if (regexec(&rule->preg, file, 0, NULL, 0) != REG_NOMATCH)
+ return 1;
+ }
+
+ return 0;
+}
