+++ /dev/null
-/**/
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-
-#include <sys/time.h>
-
-#include "internal.h"
-
-int adns__internal_submit(adns_state ads, adns_query *query_r,
- adns_rrtype type, vbuf *qumsg_vb, int id,
- adns_queryflags flags, struct timeval now,
- adns_status failstat, const qcontext *ctx) {
- adns_query qu;
- adns_status stat;
- int ol, id, r;
- struct timeval now;
- const typeinfo *typei;
- adns_query qu;
-
- qu= malloc(sizeof(*qu)); if (!qu) goto x_nomemory;
- qu->answer= malloc(sizeof(*qu->answer)); if (!qu->answer) goto x_freequ_nomemory;
-
- qu->state= query_udp;
- qu->back= qu->next= qu->parent= 0;
- LIST_INIT(qu->children);
- qu->siblings.next= qu->siblings.back= 0;
- qu->allocations= 0;
- qu->interim_allocd= 0;
- qu->perm_used= 0;
-
- qu->typei= adns__findtype(type);
- adns__vbuf_init(&qu->vb);
-
- qu->cname_dgram= 0;
- qu->cname_dglen= qu->cname_begin= 0;
-
- qu->id= id;
- qu->flags= flags;
- qu->udpretries= 0;
- qu->udpnextserver= 0;
- qu->udpsent= qu->tcpfailed= 0;
- timerclear(&qu->timeout);
- memcpy(&qu->context,ctx,sizeof(qu->context));
- memcpy(qu->owner,owner,ol); qu->owner[ol]= 0;
-
- qu->answer->status= adns_s_ok;
- qu->answer->cname= 0;
- qu->answer->type= type;
- qu->answer->nrrs= 0;
- qu->answer->rrs= 0;
-
- if (qu->typei) {
- qu->answer->rrsz= qu->rrsz;
- } else {
- qu->answer->rrsz= -1;
- failstat= adns_s_notimplemented;
- }
-
- *query_r= qu;
-
- qu->query_dgram= malloc(qumsg_vb->used);
- if (!qu->query_dgram) {
- adns__query_fail(ads,qu,adns_s_nomemory);
- return;
- }
- memcpy(qu->query_dgram,qumsg_vb->buf,qumsg_vb->used);
- qu->vb= *qumsg_vb;
- adns__vbuf_init(qumsg_vb);
-
- if (failstat) {
- adns__query_fail(ads,qu,failstat);
- return;
- }
- adns__query_udp(ads,qu,now);
- adns__autosys(ads,now);
-
- return 0;
-
- x_freequ_nomemory:
- free(qu);
- x_nomemory:
- free(query_dgram);
- return adns_s_nomemory;
-}
-
-int adns_submit(adns_state ads,
- const char *owner,
- adns_rrtype type,
- adns_queryflags flags,
- void *context,
- adns_query *query_r) {
- qcontext ctx;
- int id;
- vbuf vb;
-
- ctx.ext= context;
- r= gettimeofday(&now,0); if (r) return errno;
- id= 0;
-
- adns__vbuf_init(&vb);
-
- ol= strlen(owner);
- if (ol<=1 || ol>DNS_MAXDOMAIN+1) { stat= adns_s_invaliddomain; goto xit; }
-
- if (owner[ol-1]=='.' && owner[ol-2]!='\\') { flags &= ~adns_qf_search; ol--; }
-
- stat= adns__mkquery(ads,&vb, &id, owner,ol, typei,flags);
-
- xit:
- return adns__internal_submit(ads,query_r, type,&vb,id, flags,now, stat,&ctx);
-}
-
-int adns_synchronous(adns_state ads,
- const char *owner,
- adns_rrtype type,
- adns_queryflags flags,
- adns_answer **answer_r) {
- adns_query qu;
- int r;
-
- r= adns_submit(ads,owner,type,flags,0,&qu);
- if (r) return r;
-
- do {
- r= adns_wait(ads,&qu,answer_r,0);
- } while (r==EINTR);
- if (r) adns_cancel(ads,qu);
- return r;
-}
-
-void adns_cancel(adns_state ads, adns_query query) {
- abort(); /* fixme */
-}
-
-void adns__makefinal_str(adns_query qu, char **strp) {
- int l;
- char *before, *after;
-
- before= *strp;
- l= strlen(before)+1;
- after= adns__alloc_final(qu,l);
- memcpy(after,before,l);
- *strp= after;
-}
-
-void adns__makefinal_block(adns__query qu, void **blpp, size_t sz) {
- void *after;
-
- after= adns__alloc_final(qu,sz);
- memcpy(after,*blpp,sz);
- *blpp= after;
-}
-
-void *adns__alloc_interim(adns_state ads, adns_query qu, size_t sz) {
- allocnode *an;
-
- assert(!qu->final_allocspace);
- sz= MEM_ROUND(sz);
- an= malloc(MEM_ROUND(MEM_ROUND(sizeof(*an)) + sz));
- if (!an) {
- adns__query_fail(ads,qu,adns_s_nolocalmem);
- return 0;
- }
- qu->permalloclen += sz;
- an->next= qu->allocations;
- qu->allocations= an;
- return (byte*)an + MEM_ROUND(sizeof(*an));
-}
-
-void *adns__alloc_final(adns_query qu, size_t sz) {
- /* When we're in the _final stage, we _subtract_ from interim_alloc'd
- * each allocation, and use final_allocspace to point to the next free
- * bit.
- */
- void *rp;
-
- sz= MEM_ROUND(sz);
- rp= qu->final_allocspace;
- assert(rp);
- qu->interim_allocd -= sz;
- assert(qu->interim_allocd>=0);
- qu->final_allocspace= (byte*)rp + sz;
- return rp;
-}