+ * Added wishlist entry re configurable port no.

[adns] / src / query.c

diff --git a/src/query.c b/src/query.c
index 5e345ae72f5f4101e356c367be6489509b8b26f0..2bb52361720842c151ca43e73b2a2ae1c4e5ddb1 100644 (file)
--- a/src/query.c
+++ b/src/query.c
@@ -6,11 +6,11 @@
  */
 /*
  *  This file is
- *    Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
+ *    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
  *
  *  It is part of adns, which is
- *    Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
- *    Copyright (C) 1999 Tony Finch <dot@dotat.at>
+ *    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
+ *    Copyright (C) 1999-2000 Tony Finch <dot@dotat.at>
  *  
  *  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
@@ -66,7 +66,7 @@ static adns_query query_alloc(adns_state ads, const typeinfo *typei,
   adns__vbuf_init(&qu->search_vb);
   qu->search_origlen= qu->search_pos= qu->search_doneabs= 0;
 
-  qu->id= 0;
+  qu->id= -2; /* will be overwritten with real id before we leave adns */
   qu->flags= flags;
   qu->retries= 0;
   qu->udpnextserver= 0;
@@ -157,8 +157,8 @@ void adns__search_next(adns_state ads, adns_query qu, struct timeval now) {
   } else {
     if (qu->search_pos >= ads->nsearchlist) {
       if (qu->search_doneabs) {
+       qu->search_vb.used= qu->search_origlen;
        stat= adns_s_nxdomain; goto x_fail;
-       return;
       } else {
        nextentry= 0;
        qu->search_doneabs= 1;
@@ -171,9 +171,8 @@ void adns__search_next(adns_state ads, adns_query qu, struct timeval now) {
   qu->search_vb.used= qu->search_origlen;
   if (nextentry) {
     if (!adns__vbuf_append(&qu->search_vb,".",1) ||
-       !adns__vbuf_appendstr(&qu->search_vb,nextentry)) {
-      stat= adns_s_nomemory; goto x_fail;
-    }
+       !adns__vbuf_appendstr(&qu->search_vb,nextentry))
+      goto x_nomemory;
   }
 
   free(qu->query_dgram);
@@ -181,7 +180,9 @@ void adns__search_next(adns_state ads, adns_query qu, struct timeval now) {
 
   query_simple(ads,qu, qu->search_vb.buf, qu->search_vb.used, qu->typei, qu->flags, now);
   return;
-  
+
+x_nomemory:
+  stat= adns_s_nomemory;
 x_fail:
   adns__query_fail(qu,stat);
 }
@@ -190,6 +191,8 @@ static int save_owner(adns_query qu, const char *owner, int ol) {
   /* Returns 1 if OK, otherwise there was no memory. */
   adns_answer *ans;
 
+  if (!(qu->flags & adns_qf_owner)) return 1;
+
   ans= qu->answer;
   assert(!ans->owner);
 
@@ -267,25 +270,47 @@ int adns_submit(adns_state ads,
   return r;
 }
 
-int adns_submit_reverse(adns_state ads,
-                       const struct sockaddr *addr,
-                       adns_rrtype type,
-                       adns_queryflags flags,
-                       void *context,
-                       adns_query *query_r) {
+int adns_submit_reverse_any(adns_state ads,
+                           const struct sockaddr *addr,
+                           const char *zone,
+                           adns_rrtype type,
+                           adns_queryflags flags,
+                           void *context,
+                           adns_query *query_r) {
   const unsigned char *iaddr;
-  char buf[30];
+  char *buf, *buf_free;
+  char shortbuf[100];
+  int r, lreq;
 
-  if (type != adns_r_ptr && type != adns_r_ptr_raw) return EINVAL;
   flags &= ~adns_qf_search;
 
   if (addr->sa_family != AF_INET) return ENOSYS;
   iaddr= (const unsigned char*) &(((const struct sockaddr_in*)addr) -> sin_addr);
 
-  sprintf(buf, "%d.%d.%d.%d.in-addr.arpa",
-         iaddr[3], iaddr[2], iaddr[1], iaddr[0]);
+  lreq= strlen(zone) + 4*4 + 1;
+  if (lreq > sizeof(shortbuf)) {
+    buf= malloc(strlen(zone) + 4*4 + 1);
+    if (!buf) return errno;
+    buf_free= buf;
+  } else {
+    buf= shortbuf;
+    buf_free= 0;
+  }
+  sprintf(buf, "%d.%d.%d.%d.%s", iaddr[3], iaddr[2], iaddr[1], iaddr[0], zone);
 
-  return adns_submit(ads,buf,type,flags,context,query_r);
+  r= adns_submit(ads,buf,type,flags,context,query_r);
+  free(buf_free);
+  return r;
+}
+
+int adns_submit_reverse(adns_state ads,
+                       const struct sockaddr *addr,
+                       adns_rrtype type,
+                       adns_queryflags flags,
+                       void *context,
+                       adns_query *query_r) {
+  if (type != adns_r_ptr && type != adns_r_ptr_raw) return EINVAL;
+  return adns_submit_reverse_any(ads,addr,"in-addr.arpa",type,flags,context,query_r);
 }
 
 int adns_synchronous(adns_state ads,
@@ -352,6 +377,7 @@ void adns__transfer_interim(adns_query from, adns_query to, void *block, size_t
   LIST_UNLINK(from->allocations,an);
   LIST_LINK_TAIL(to->allocations,an);
 
+  sz= MEM_ROUND(sz);
   from->interim_allocd -= sz;
   to->interim_allocd += sz;
 
@@ -400,6 +426,7 @@ static void free_query_allocs(adns_query qu) {
   adns__vbuf_free(&qu->vb);
   adns__vbuf_free(&qu->search_vb);
   free(qu->query_dgram);
+  qu->query_dgram= 0;
 }
 
 void adns_cancel(adns_query qu) {
@@ -484,8 +511,7 @@ void adns__query_done(adns_query qu) {
   qu->id= -1;
   ans= qu->answer;
 
-  if (qu->flags & adns_qf_owner && qu->flags & adns_qf_search &&
-      ans->status != adns_s_nomemory) {
+  if (qu->flags & adns_qf_search && ans->status != adns_s_nomemory) {
     if (!save_owner(qu, qu->search_vb.buf, qu->search_vb.used)) {
       adns__query_fail(qu,adns_s_nomemory);
       return;