X-Git-Url: https://git.distorted.org.uk/~mdw/adns/blobdiff_plain/149dd923777e85ed1eda8eb37d71221ddce3f552..06f8e611d7be5a4c745396f423ab5cd6cdc6bfdd:/src/query.c

diff --git a/src/query.c b/src/query.c
index 5e345ae..a8423d7 100644
--- a/src/query.c
+++ b/src/query.c
@@ -267,25 +267,47 @@ 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,