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Terminate DS-search when reaching the root via cache entries.

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This commit is contained in:
Simon Kelley
2014-03-26 12:24:19 +00:00
parent 51967f9807
commit 4e1fe44428
1 changed files with 11 additions and 0 deletions
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11
src/forward.c
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@@ -1328,6 +1328,10 @@ static int send_check_sign(time_t now, struct dns_header *header, size_t plen, c
continue; continue;
} }
/* Reached the root */
if (!name_start)
return STAT_BOGUS;
strcpy(keyname, name_start); strcpy(keyname, name_start);
return STAT_NEED_DS_NEG; return STAT_NEED_DS_NEG;
} }
@@ -1412,6 +1416,13 @@ static int tcp_check_for_unsigned_zone(time_t now, struct dns_header *header, s
continue; continue;
} }
/* reached the root */
if (!name_start)
{
free(packet);
return STAT_BOGUS;
}
m = dnssec_generate_query(header, ((char *) header) + 65536, name_start, class, T_DS, &server->addr); m = dnssec_generate_query(header, ((char *) header) + 65536, name_start, class, T_DS, &server->addr);
/* We rely on the question section coming back unchanged, ensure it is with the hash. */ /* We rely on the question section coming back unchanged, ensure it is with the hash. */