1 files changed, 71 insertions, 0 deletions
diff --git a/src/hip.c b/src/hip.c
new file mode 100644
index 0000000..58b3041
--- /dev/null
+++ b/src/hip.c
@@ -0,0 +1,71 @@
+/* dnsmasq is Copyright (c) 2000-2013 Simon Kelley
+
+   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
+   the Free Software Foundation; version 2 dated June, 1991, or
+   (at your option) version 3 dated 29 June, 2007.
+ 
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+     
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "dnsmasq.h"
+
+#ifdef HAVE_HIP
+
+size_t answer_hip(struct dns_header *header, char *limit, size_t qlen)
+{
+  /* Answer A or AAAA request using cached HIT */
+  return 0;
+}
+
+void hip_make_request(struct dns_header *header, size_t qlen)
+{
+  unsigned char *p = (unsigned char *)(header+1);
+ 
+  if (ntohs(header->qdcount) != 1 || OPCODE(header) != QUERY)
+    return; /* must be exactly one query. */
+  
+  if (!extract_name(header, qlen, &p, daemon->namebuff, 1, 4))
+    return; /* bad packet */
+  
+  PUTSHORT(T_HIP, p);
+}
+
+size_t hip_restore_request(struct dns_header *header, size_t qlen, int flags) 
+{
+  unsigned char *p = (unsigned char *)(header+1);
+  unsigned short type = T_A;
+  size_t nn, hlen;
+  unsigned char *pheader;
+
+#ifdef HAVE_IPV6
+  if (flags & FREC_HIP_V6)
+    type = T_AAAA;
+#endif
+  
+  if (ntohs(header->qdcount) != 1)
+    return 0; /* must be exactly one query. */
+  
+  if (!extract_name(header, qlen, &p, daemon->namebuff, 1, 4))
+    return 0; /* bad packet */
+  
+  PUTSHORT(type, p);
+  
+  /* and remove answers */
+  pheader = find_pseudoheader(header, qlen, &hlen, NULL, NULL);
+  header->ancount = htons(0);
+  header->nscount = htons(0);
+  header->arcount = htons(0);
+  nn = resize_packet(header, qlen, pheader, hlen);
+
+  return nn;
+}
+
+
+#endif