pkgtools

morpheus pkg tools
git clone git://git.2f30.org/pkgtools.git
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commit ac1c86f65589a9d82e5f2e72c27a039bb2dde606
parent 859165f3e7eea449f2e32df327516680baf8fe1d
Author: sin <sin@2f30.org>
Date:   Tue Jun 24 15:20:56 +0100

Oops forgot reject.c

Diffstat:
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; +}