dns_answer * dnsa = store_get_dns_answer();
dns_scan dnss;
rmark reset_point = store_mark();
-gstring * g = NULL;
+gstring * g = string_get_tainted(256, TRUE);
lookup_dnssec_authenticated = NULL;
if (dns_lookup(dnsa, name, T_TXT, NULL) != DNS_SUCCEED)
- return NULL; /*XXX better error detail? logging? */
+ goto bad;
/* Search for TXT record */
rr;
rr = dns_next_rr(dnsa, &dnss, RESET_NEXT))
if (rr->type == T_TXT)
- {
- int rr_offset = 0;
-
- /* Copy record content to the answer buffer */
-
- while (rr_offset < rr->size)
+ { /* Copy record content to the answer buffer */
+ for (int rr_offset = 0; rr_offset < rr->size; )
{
uschar len = rr->data[rr_offset++];
rr_offset += len;
}
- /* check if this looks like a DKIM record */
+ /* Check if this looks like a DKIM record */
if (Ustrncmp(g->s, "v=", 2) != 0 || strncasecmp(CS g->s, "v=dkim", 6) == 0)
{
+ store_free_dns_answer(dnsa);
gstring_release_unused(g);
return string_from_gstring(g);
}
- if (g) g->ptr = 0; /* overwrite previous record */
+ g->ptr = 0; /* overwrite previous record */
}
bad:
store_reset(reset_point);
+store_free_dns_answer(dnsa);
return NULL; /*XXX better error detail? logging? */
}