diff options
Diffstat (limited to 'pjlib-util/src/pjlib-util/resolver.c')
| -rw-r--r-- | pjlib-util/src/pjlib-util/resolver.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/pjlib-util/src/pjlib-util/resolver.c b/pjlib-util/src/pjlib-util/resolver.c index 24304482..d4a950e2 100644 --- a/pjlib-util/src/pjlib-util/resolver.c +++ b/pjlib-util/src/pjlib-util/resolver.c @@ -51,6 +51,7 @@ #define RES_BUF_SZ PJ_DNS_RESOLVER_RES_BUF_SIZE #define UDPSZ PJ_DNS_RESOLVER_MAX_UDP_SIZE +#define TMP_SZ PJ_DNS_RESOLVER_TMP_BUF_SIZE /* Nameserver state */ @@ -161,7 +162,7 @@ struct pj_dns_resolver pj_timer_heap_t *timer; /**< Timer instance. */ pj_bool_t own_ioqueue; /**< Do we own ioqueue? */ pj_ioqueue_t *ioqueue; /**< Ioqueue instance. */ - char tmp_pool[1500];/**< Temporary pool buffer. */ + char tmp_pool[TMP_SZ];/**< Temporary pool buffer. */ /* Socket */ pj_sock_t udp_sock; /**< UDP socket. */ @@ -993,11 +994,16 @@ static void update_res_cache(pj_dns_resolver *resolver, } } - /* Duplicate the packet */ + /* Duplicate the packet. + * We don't need to keep the query, NS, and AR sections from the packet, + * so exclude from duplication. + */ res_pool = pj_pool_create_on_buf("respool", cache->buf, sizeof(cache->buf)); PJ_TRY { cache->pkt = NULL; - pj_dns_packet_dup(res_pool, pkt, &cache->pkt); + pj_dns_packet_dup(res_pool, pkt, + PJ_DNS_NO_QD | PJ_DNS_NO_NS | PJ_DNS_NO_AR, + &cache->pkt); } PJ_CATCH_ANY { PJ_LOG(1,(THIS_FILE, @@ -1223,10 +1229,6 @@ static void on_read_complete(pj_ioqueue_key_t *key, } } - /* We don't need NS and query section in the packet, so trim them. */ - dns_pkt->hdr.qdcount = 0; - dns_pkt->hdr.nscount = 0; - /* Save/update response cache. */ update_res_cache(resolver, &q->key, status, PJ_TRUE, dns_pkt); |