diff options
Diffstat (limited to 'daemon/worker.c')
| -rw-r--r-- | daemon/worker.c | 29 |
1 files changed, 11 insertions, 18 deletions
diff --git a/daemon/worker.c b/daemon/worker.c index 661f6967d41d0..e2ce0e87009be 100644 --- a/daemon/worker.c +++ b/daemon/worker.c @@ -721,8 +721,6 @@ answer_from_cache(struct worker* worker, struct query_info* qinfo, if(encode_rep != rep) secure = 0; /* if rewritten, it can't be considered "secure" */ if(!encode_rep || *alias_rrset) { - sldns_buffer_clear(repinfo->c->buffer); - sldns_buffer_flip(repinfo->c->buffer); if(!encode_rep) *need_drop = 1; else { @@ -762,17 +760,14 @@ bail_out: return 0; } -/** Reply to client and perform prefetch to keep cache up to date. - * If the buffer for the reply is empty, it indicates that only prefetch is - * necessary and the reply should be suppressed (because it's dropped or - * being deferred). */ +/** Reply to client and perform prefetch to keep cache up to date. */ static void reply_and_prefetch(struct worker* worker, struct query_info* qinfo, - uint16_t flags, struct comm_reply* repinfo, time_t leeway) + uint16_t flags, struct comm_reply* repinfo, time_t leeway, int noreply) { /* first send answer to client to keep its latency * as small as a cachereply */ - if(sldns_buffer_limit(repinfo->c->buffer) != 0) { + if(!noreply) { if(repinfo->c->tcp_req_info) { sldns_buffer_copy( repinfo->c->tcp_req_info->spool_buffer, @@ -1100,7 +1095,7 @@ worker_handle_request(struct comm_point* c, void* arg, int error, struct respip_client_info* cinfo = NULL, cinfo_tmp; memset(&qinfo, 0, sizeof(qinfo)); - if(error != NETEVENT_NOERROR) { + if(error != NETEVENT_NOERROR || !repinfo) { /* some bad tcp query DNS formats give these error calls */ verbose(VERB_ALGO, "handle request called with err=%d", error); return 0; @@ -1484,7 +1479,8 @@ lookup_cache: lock_rw_unlock(&e->lock); reply_and_prefetch(worker, lookup_qinfo, sldns_buffer_read_u16_at(c->buffer, 2), - repinfo, leeway); + repinfo, leeway, + (partial_rep || need_drop)); if(!partial_rep) { rc = 0; regional_free_all(worker->scratchpad); @@ -1566,16 +1562,17 @@ send_reply_rc: #endif if(worker->env.cfg->log_replies) { - struct timeval tv = {0, 0}; + struct timeval tv; + memset(&tv, 0, sizeof(tv)); if(qinfo.local_alias && qinfo.local_alias->rrset && qinfo.local_alias->rrset->rk.dname) { /* log original qname, before the local alias was * used to resolve that CNAME to something else */ qinfo.qname = qinfo.local_alias->rrset->rk.dname; - log_reply_info(0, &qinfo, &repinfo->addr, repinfo->addrlen, + log_reply_info(NO_VERBOSE, &qinfo, &repinfo->addr, repinfo->addrlen, tv, 1, c->buffer); } else { - log_reply_info(0, &qinfo, &repinfo->addr, repinfo->addrlen, + log_reply_info(NO_VERBOSE, &qinfo, &repinfo->addr, repinfo->addrlen, tv, 1, c->buffer); } } @@ -1684,11 +1681,7 @@ worker_create(struct daemon* daemon, int id, int* ports, int n) return NULL; } /* create random state here to avoid locking trouble in RAND_bytes */ - seed = (unsigned int)time(NULL) ^ (unsigned int)getpid() ^ - (((unsigned int)worker->thread_num)<<17); - /* shift thread_num so it does not match out pid bits */ - if(!(worker->rndstate = ub_initstate(seed, daemon->rand))) { - explicit_bzero(&seed, sizeof(seed)); + if(!(worker->rndstate = ub_initstate(daemon->rand))) { log_err("could not init random numbers."); tube_delete(worker->cmd); free(worker->ports); |