From 3af1191023a0e81dd727afd48396cf9cf7dd5672 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Sat, 3 Apr 2004 04:22:22 +0000
Subject: [PATCH] Add func to generate,set,and send rend cookie

svn:r1469
---
 src/or/or.h         |  2 ++
 src/or/rendclient.c | 21 +++++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/src/or/or.h b/src/or/or.h
index 692c155a00..ed82140344 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -1027,6 +1027,8 @@ void rend_client_desc_fetched(char *query, int success);
 int rend_cmp_service_ids(char *one, char *two);
 int rend_parse_rendezvous_address(char *address);
 
+int rend_client_send_establish_rendezvous(circuit_t *circ);
+
 /********************************* rendcommon.c ***************************/
 
 typedef struct rend_service_descriptor_t {
diff --git a/src/or/rendclient.c b/src/or/rendclient.c
index afaa4e2948..32b3b82541 100644
--- a/src/or/rendclient.c
+++ b/src/or/rendclient.c
@@ -12,6 +12,27 @@ rend_client_introcirc_is_ready(connection_t *apconn, circuit_t *circ)
   log_fn(LOG_WARN,"introcirc is ready");
 }
 
+int
+rend_client_send_establish_rendezvous(circuit_t *circ)
+{
+  assert(circ->purpose == CIRCUIT_PURPOSE_C_ESTABLISH_REND);
+  log_fn(LOG_INFO, "Sending an ESTABLISH_RENDEZVOUS cell");
+
+  if (crypto_rand(REND_COOKIE_LEN, circ->rend_cookie)<0) {
+    log_fn(LOG_WARN, "Couldn't get random cookie");
+    return -1;
+  }
+  if (connection_edge_send_command(NULL,circ,
+                                   RELAY_COMMAND_ESTABLISH_RENDEZVOUS,
+                                   circ->rend_cookie, REND_COOKIE_LEN,
+                                   circ->cpath->prev)<0) {
+    log_fn(LOG_WARN, "Couldn't send ESTABLISH_RENDEZVOUS cell");
+    return -1;
+  }
+
+  return 0;
+}
+
 /* send the rendezvous cell */
 void
 rend_client_rendcirc_is_ready(connection_t *apconn, circuit_t *circ)