X-Git-Url: https://git.distorted.org.uk/~mdw/adns/blobdiff_plain/d19b03d0267305c75f518c32a31424d2229fd06b..b582ca0f999ffd51e26c5543d2023ea137af3bec:/src/transmit.c

diff --git a/src/transmit.c b/src/transmit.c
index 6136bf9..c2efdb5 100644
--- a/src/transmit.c
+++ b/src/transmit.c
@@ -4,12 +4,11 @@
  * - send queries
  */
 /*
- *  This file is
- *    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
- *
- *  It is part of adns, which is
- *    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
- *    Copyright (C) 1999-2000 Tony Finch <dot@dotat.at>
+ *  This file is part of adns, which is
+ *    Copyright (C) 1997-2000,2003,2006  Ian Jackson
+ *    Copyright (C) 1999-2000,2003,2006  Tony Finch
+ *    Copyright (C) 1991 Massachusetts Institute of Technology
+ *  (See the file INSTALL for full details.)
  *  
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -67,7 +66,7 @@ static adns_status mkquery_footer(vbuf *vb, adns_rrtype type) {
   byte *rqp;
 
   MKQUERY_START(vb);
-  MKQUERY_ADDW(type & adns__rrt_typemask); /* QTYPE */
+  MKQUERY_ADDW(type & adns_rrt_typemask); /* QTYPE */
   MKQUERY_ADDW(DNS_CLASS_IN); /* QCLASS=IN */
   MKQUERY_STOP(vb);
   assert(vb->used <= vb->avail);
@@ -75,11 +74,10 @@ static adns_status mkquery_footer(vbuf *vb, adns_rrtype type) {
   return adns_s_ok;
 }
 
-adns_status adns__qdpl_normal(adns_state ads,
-			      const char **p_io, const char *pe, int labelnum,
-			      char label_r[], int *ll_io,
-			      adns_queryflags flags,
-			      const typeinfo *typei) {
+static adns_status qdparselabel(adns_state ads,
+				const char **p_io, const char *pe,
+				char label_r[], int *ll_io,
+				adns_queryflags flags) {
   int ll, c;
   const char *p;
 
@@ -103,13 +101,6 @@ adns_status adns__qdpl_normal(adns_state ads,
 	return adns_s_querydomaininvalid;
       }
     }
-    if (!(flags & adns_qf_quoteok_query)) {
-      if (c == '-') {
-	if (!ll) return adns_s_querydomaininvalid;
-      } else if (!ctype_alpha(c) && !ctype_digit(c)) {
-	return adns_s_querydomaininvalid;
-      }
-    }
     if (ll == *ll_io) return adns_s_querydomaininvalid;
     label_r[ll++]= c;
   }
@@ -121,23 +112,24 @@ adns_status adns__qdpl_normal(adns_state ads,
 
 adns_status adns__mkquery(adns_state ads, vbuf *vb, int *id_r,
 			  const char *owner, int ol,
-			  const typeinfo *typei, adns_queryflags flags) {
-  int labelnum, ll, nbytes;
+			  const typeinfo *typei, adns_rrtype type,
+			  adns_queryflags flags) {
+  int ll, nbytes;
   byte label[255];
   byte *rqp;
   const char *p, *pe;
   adns_status st;
 
+  if (!((type^adns_r_addr) & adns_rrt_reprmask)) ads->nextid++; /* bodge */
   st= mkquery_header(ads,vb,id_r,ol+2); if (st) return st;
   
   MKQUERY_START(vb);
 
   p= owner; pe= owner+ol;
   nbytes= 0;
-  labelnum= 0;
   while (p!=pe) {
     ll= sizeof(label);
-    st= typei->qdparselabel(ads, &p,pe, labelnum++, label, &ll, flags, typei);
+    st= qdparselabel(ads, &p,pe, label, &ll, flags);
     if (st) return st;
     if (!ll) return adns_s_querydomaininvalid;
     if (ll > DNS_MAXLABEL) return adns_s_querydomaintoolong;
@@ -150,7 +142,7 @@ adns_status adns__mkquery(adns_state ads, vbuf *vb, int *id_r,
 
   MKQUERY_STOP(vb);
   
-  st= mkquery_footer(vb,typei->type);
+  st= mkquery_footer(vb,type);
   
   return adns_s_ok;
 }
@@ -164,6 +156,7 @@ adns_status adns__mkquery_frdgram(adns_state ads, vbuf *vb, int *id_r,
   int lablen, labstart;
   adns_status st;
 
+  if (!((type^adns_r_addr) & adns_rrt_reprmask)) ads->nextid++; /* bodge */
   st= mkquery_header(ads,vb,id_r,qd_dglen); if (st) return st;
 
   MKQUERY_START(vb);
@@ -249,10 +242,18 @@ static void query_usetcp(adns_query qu, struct timeval now) {
   adns__tcp_tryconnect(qu->ads,now);
 }
 
+struct udpsocket *adns__udpsocket_by_af(adns_state ads, int af) {
+  int i;
+  for (i=0; i<ads->nudp; i++)
+    if (ads->udpsocket[i].af == af) return &ads->udpsocket[i];
+  return 0;
+}
+
 void adns__query_send(adns_query qu, struct timeval now) {
-  struct sockaddr_in servaddr;
   int serv, r;
   adns_state ads;
+  struct udpsocket *udp;
+  adns_rr_addr *addr;
 
   assert(qu->state == query_tosend);
   if ((qu->flags & adns_qf_usevc) || (qu->query_dglen > DNS_MAXUDP)) {
@@ -265,16 +266,14 @@ void adns__query_send(adns_query qu, struct timeval now) {
     return;
   }
 
-  serv= qu->udpnextserver;
-  memset(&servaddr,0,sizeof(servaddr));
-
   ads= qu->ads;
-  servaddr.sin_family= AF_INET;
-  servaddr.sin_addr= ads->servers[serv].addr;
-  servaddr.sin_port= htons(DNS_PORT);
+  serv= qu->udpnextserver;
+  addr= &ads->servers[serv];
+  udp= adns__udpsocket_by_af(ads, addr->addr.sa.sa_family);
+  assert(udp);
   
-  r= sendto(ads->udpsocket,qu->query_dgram,qu->query_dglen,0,
-	    (const struct sockaddr*)&servaddr,sizeof(servaddr));
+  r= sendto(udp->fd,qu->query_dgram,qu->query_dglen,0,
+	    &addr->addr.sa,addr->len);
   if (r<0 && errno == EMSGSIZE) {
     qu->retries= 0;
     query_usetcp(qu,now);