/**/
+#include <stdarg.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <unistd.h>
+
+#include <netdb.h>
#include <arpa/nameser.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
#include "adns-internal.h"
-
-#define LIST_UNLINK(list,node) \
- do { \
- if ((node)->back) (node)->back->next= (node)->next; \
- else (list).head= (node)->next; \
- if ((node)->next) (node)->next->back= (node)->back; \
- else (list).tail= (node)->back; \
- } while(0)
-
-#define LIST_LINK_TAIL(list,node) \
- do { \
- (node)->back= 0; \
- (node)->next= (list).tail; \
- if (list).tail (list).tail->back= (node); else (list).head= (node); \
- (list).tail= (node); \
- } while(0)
-
-void addserver(adns_state ads, struct in_addr addr) {
- if (ads->nservers>=MAXSERVERS) {
- if (ads->flags & adns_if_debug)
- fprintf(stderr,"adns: too many nameservers, ignoring %s",
- inet_ntoa(addr));
- } else {
- ads->servers[ads->nservers].addr= addr;
- ads->servers[ads->nservers].tcpsocket= -1;
- ads->nservers++;
- }
-}
-
-void readconfig(adns_state ads, const char *filename) {
-}
-
-void readconfigenv(adns_state ads, const char *envvar) {
- const char *filename;
-
- if (flags & adns_if_noenv) return;
- filename= getenv(envvar); if (!filename) return;
- readconfig(ads,filename);
-}
-
-int adns_init(adns_state *ads_r, int flags) {
- adns_state ads;
- const char *cfile;
-
- ads= malloc(sizeof(*ads)); if (!ads) return errno;
- ads->queue.head= ads->queue.tail= 0;
- ads->timew.head= ads->timew.tail= 0;
- ads->child.head= ads->child.tail= 0;
- ads->ready.head= ads->ready.tail= 0;
- ads->udpsocket= -1;
- ads->qbufavail= 0;
- ads->qbuf= 0;
- ads->tcpbufavail= ads->tcpbufused= ads->tcpbufdone= 0;
- ads->tcpbuf= 0;
- ads->flags= flags;
- ads->nservers= 0;
-
- readconfig(ads,"/etc/resolv.conf");
- readconfigenv(ads,"RES_CONF");
- readconfigenv(ads,"ADNS_RES_CONF");
- if (!ads->nservers) {
- if (ads->flags & adns_if_debug)
- fprintf(stderr,"adns: no nameservers, using localhost\n");
- addserver(ads,INADDR_LOOPBACK);
- }
-
- *ads_r= ads;
- return 0;
-}
-
-void query_fail(adns_state ads, adns_query qu, ands_status stat) {
- struct adns_answer ans;
-
- ans= qu->answer;
- if (!ans) ans= malloc(sizeof(*qu->answer));
- if (ans) {
- ans->status= stat;
- ans->cname= 0;
- ans->type= qu->type;
- ans->nrrs= 0;
- }
- qu->answer= ans;
- LIST_LINK_TAIL(ads.ready,qu);
-}
-
-void adns_event(adns_state ads,
- fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
- int *maxfd, struct timeval *tv) {
- for (
-}
-
-int adns_submit(adns_state ads,
- const char *owner,
- adns_rrtype type,
- int flags,
- void *context,
- adns_query *query_r) {
- adns_query qu;
- adns_status stat;
- int ol, r;
-
- stat= 0;
- ol= strlen(owner);
- if (ol>MAXDNAME+1) { stat= ands_s_invaliddomain; ol= 0; }
- if (ol>0 && owner[ol-1]=='.') { flags &= ~adns_f_search; ol--; }
- qu= malloc(sizeof(*qu)+ol+1); if (!qu) return errno;
- qu->next= qu->back= qu->parent= qu->child= 0;
- qu->type= type;
- qu->answer= 0;
- qu->flags= flags;
- qu->context= context;
- qu->retries= 0;
- qu->server= 0;
- memcpy(qu->owner,owner,ol); qu->owner[ol]= 0;
- if (stat) {
- query_fail(ads,qu,stat);
- } else {
- LIST_LINK_TAIL(ads->input,qu);
- adns_event(ads,0,0,0,0,0);
- }
- *query_r= qu;
-}