Make payloads into uint8_t.

This will avoid some signed/unsigned assignment-related bugs.

1 files changed, 5 insertions, 4 deletions

diff --git a/src/or/rendclient.c b/src/or/rendclient.c
index 7023b7f271..feecf237c4 100644
--- a/src/or/rendclient.c
+++ b/src/or/rendclient.c
@@ -243,7 +243,7 @@ rend_client_rendcirc_has_opened(origin_circuit_t *circ)
  */
 int
 rend_client_introduction_acked(origin_circuit_t *circ,
-                               const char *request, size_t request_len)
+                               const uint8_t *request, size_t request_len)
 {
   origin_circuit_t *rendcirc;
   (void) request; // XXXX Use this.
@@ -628,7 +628,7 @@ rend_client_remove_intro_point(extend_info_t *failed_intro,
  * the circuit to C_REND_READY.
  */
 int
-rend_client_rendezvous_acked(origin_circuit_t *circ, const char *request,
+rend_client_rendezvous_acked(origin_circuit_t *circ, const uint8_t *request,
                              size_t request_len)
 {
   (void) request;
@@ -654,7 +654,7 @@ rend_client_rendezvous_acked(origin_circuit_t *circ, const char *request,
 
 /** Bob sent us a rendezvous cell; join the circuits. */
 int
-rend_client_receive_rendezvous(origin_circuit_t *circ, const char *request,
+rend_client_receive_rendezvous(origin_circuit_t *circ, const uint8_t *request,
                                size_t request_len)
 {
   crypt_path_t *hop;
@@ -682,7 +682,8 @@ rend_client_receive_rendezvous(origin_circuit_t *circ, const char *request,
   tor_assert(circ->build_state->pending_final_cpath);
   hop = circ->build_state->pending_final_cpath;
   tor_assert(hop->dh_handshake_state);
-  if (crypto_dh_compute_secret(hop->dh_handshake_state, request, DH_KEY_LEN,
+  if (crypto_dh_compute_secret(hop->dh_handshake_state, (char*)request,
+                               DH_KEY_LEN,
                                keys, DIGEST_LEN+CPATH_KEY_MATERIAL_LEN)<0) {
     log_warn(LD_GENERAL, "Couldn't complete DH handshake.");
     goto err;