#include <errno.h>
#include <string.h>
+#include <sys/types.h>
#include <sys/uio.h>
#include "internal.h"
if (!adns__vbuf_ensure(vb,DNS_HDRSIZE+qdlen+4)) return adns_s_nomemory;
- *id_r= id= (ads->nextid++) & 0x0ffff;
-
vb->used= 0;
MKQUERY_START(vb);
+ *id_r= id= (ads->nextid++) & 0x0ffff;
MKQUERY_ADDW(id);
MKQUERY_ADDB(0x01); /* QR=Q(0), OPCODE=QUERY(0000), !AA, !TC, RD */
MKQUERY_ADDB(0x00); /* !RA, Z=000, RCODE=NOERROR(0000) */
p= owner; pe= owner+ol;
nlabs= 0;
- if (!*p) return adns_s_querydomaininvalid;
- do {
+ while (p!=pe) {
ll= 0;
while (p!=pe && (c= *p++)!='.') {
if (c=='\\') {
if (nlabs++ > 63) return adns_s_querydomaintoolong;
MKQUERY_ADDB(ll);
memcpy(rqp,label,ll); rqp+= ll;
- } while (p!=pe);
+ }
MKQUERY_ADDB(0);
MKQUERY_STOP(vb);
iov[0].iov_len= 2;
iov[1].iov_base= qu->query_dgram;
iov[1].iov_len= qu->query_dglen;
+ adns__sigpipe_protect(qu->ads);
wr= writev(qu->ads->tcpsocket,iov,2);
+ adns__sigpipe_unprotect(qu->ads);
if (wr < 0) {
if (!(errno == EAGAIN || errno == EINTR || errno == ENOSPC ||
errno == ENOBUFS || errno == ENOMEM)) {
adns__tcp_tryconnect(qu->ads,now);
}
-void adns__query_udp(adns_query qu, struct timeval now) {
+void adns__query_send(adns_query qu, struct timeval now) {
struct sockaddr_in servaddr;
int serv, r;
adns_state ads;
- assert(qu->state == query_udp);
+ assert(qu->state == query_tosend);
if ((qu->flags & adns_qf_usevc) || (qu->query_dglen > DNS_MAXUDP)) {
query_usetcp(qu,now);
return;
servaddr.sin_addr= ads->servers[serv].addr;
servaddr.sin_port= htons(DNS_PORT);
- r= sendto(ads->udpsocket,qu->query_dgram,qu->query_dglen,0,&servaddr,sizeof(servaddr));
+ r= sendto(ads->udpsocket,qu->query_dgram,qu->query_dglen,0,
+ (const struct sockaddr*)&servaddr,sizeof(servaddr));
if (r<0 && errno == EMSGSIZE) { query_usetcp(qu,now); return; }
if (r<0) adns__warn(ads,serv,0,"sendto failed: %s",strerror(errno));