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[tor-commits] [obfsproxy/master] Trivial improvements over the code:



commit 75ecf16d8342a34357ef39b3fe339590097896fd
Author: George Kadianakis <desnacked@xxxxxxxxx>
Date:   Tue May 24 22:32:47 2011 +0200

    Trivial improvements over the code:
    * typedef'ed protocol_params_t
    * we now also free() the protocol_params_t itself
      in protocol_params_free().
---
 src/network.c         |    7 ++++---
 src/protocol.c        |    2 +-
 src/protocol.h        |   10 +++++-----
 src/protocols/dummy.c |    2 +-
 src/protocols/obfs2.c |    8 ++++----
 5 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/src/network.c b/src/network.c
index 07efbc4..a2dc410 100644
--- a/src/network.c
+++ b/src/network.c
@@ -29,7 +29,7 @@ struct listener_t {
   int target_address_len;
   int mode;
   int proto; /* Protocol that this listener can speak. */
-  struct protocol_params_t *proto_params;
+  protocol_params_t *proto_params;
 };
 
 static void simple_listener_cb(struct evconnlistener *evcl,
@@ -68,7 +68,7 @@ listener_new(struct event_base *base,
   lsn->proto = protocol;
   lsn->mode = mode;
 
-  struct protocol_params_t *proto_params = calloc(1, sizeof(struct protocol_params_t));
+  protocol_params_t *proto_params = calloc(1, sizeof(protocol_params_t));
   proto_params->is_initiator = mode != LSN_SIMPLE_SERVER;
   proto_params->shared_secret = shared_secret; 
   proto_params->shared_secret_len = shared_secret_len;
@@ -97,11 +97,12 @@ listener_new(struct event_base *base,
 }
 
 static void
-protocol_params_free(struct protocol_params_t *params)
+protocol_params_free(protocol_params_t *params)
 {
   assert(params);
   if (params->shared_secret)
     free(&params->shared_secret);
+  free(params);
 }
 
 void
diff --git a/src/protocol.c b/src/protocol.c
index 4e6ae81..8fff6a3 100644
--- a/src/protocol.c
+++ b/src/protocol.c
@@ -31,7 +31,7 @@ set_up_protocol(int protocol) {
    Return the protocol_t if successful, NULL otherwise.
 */
 struct protocol_t *
-proto_new(int protocol, struct protocol_params_t *params) {
+proto_new(int protocol, protocol_params_t *params) {
   struct protocol_t *proto = calloc(1, sizeof(struct protocol_t));
   if (!proto)
     return NULL;
diff --git a/src/protocol.h b/src/protocol.h
index 6b609ee..e4c3e0f 100644
--- a/src/protocol.h
+++ b/src/protocol.h
@@ -13,12 +13,12 @@ struct evbuffer;
   be inherited by *all* connections opened from the listener_t that
   owns this protocol_params_t.
 */
-struct protocol_params_t {
-int is_initiator;
+typedef struct protocol_params_t {
+  int is_initiator;
   
   const char *shared_secret;
   size_t shared_secret_len;
-};
+} protocol_params_t;
 
 struct protocol_t {
   /* protocol */
@@ -49,7 +49,7 @@ typedef struct protocol_vtable {
 
   /* Constructor: Creates a protocol object. */
   void *(*create)(struct protocol_t *proto_struct,
-                  struct protocol_params_t *parameters);
+                  protocol_params_t *parameters);
 
   /* does handshake. Not all protocols have a handshake. */
   int (*handshake)(void *state,
@@ -69,7 +69,7 @@ typedef struct protocol_vtable {
 
 int set_up_protocol(int protocol);
 struct protocol_t *proto_new(int protocol,
-                             struct protocol_params_t *params);
+                             protocol_params_t *params);
 void proto_destroy(struct protocol_t *proto);
 int proto_handshake(struct protocol_t *proto, void *buf);
 int proto_send(struct protocol_t *proto, void *source, void *dest);
diff --git a/src/protocols/dummy.c b/src/protocols/dummy.c
index 79d40e0..482c927 100644
--- a/src/protocols/dummy.c
+++ b/src/protocols/dummy.c
@@ -37,7 +37,7 @@ dummy_init(void) {
 
 void *
 dummy_new(struct protocol_t *proto_struct, 
-          struct protocol_params_t *params)
+          protocol_params_t *params)
 {
   proto_struct->vtable = vtable;
 
diff --git a/src/protocols/obfs2.c b/src/protocols/obfs2.c
index 277ca63..1377dfe 100644
--- a/src/protocols/obfs2.c
+++ b/src/protocols/obfs2.c
@@ -26,7 +26,7 @@ static int obfs2_send(void *state,
                struct evbuffer *source, struct evbuffer *dest);
 static int obfs2_recv(void *state, struct evbuffer *source,
                struct evbuffer *dest);
-static void *obfs2_state_new(struct protocol_params_t *params); 
+static void *obfs2_state_new(protocol_params_t *params); 
 static int obfs2_state_set_shared_secret(void *s,
                                          const char *secret,
                                          size_t secretlen);
@@ -117,7 +117,7 @@ derive_padding_key(void *s, const uchar *seed,
 
 void *
 obfs2_new(struct protocol_t *proto_struct,
-          struct protocol_params_t *params)
+          protocol_params_t *params)
 {
   assert(vtable);
   proto_struct->vtable = vtable;
@@ -131,7 +131,7 @@ obfs2_new(struct protocol_t *proto_struct,
    NULL on failure.
  */
 static void *
-obfs2_state_new(struct protocol_params_t *params)
+obfs2_state_new(protocol_params_t *params)
 {
   obfs2_state_t *state = calloc(1, sizeof(obfs2_state_t));
   uchar *seed;
@@ -183,9 +183,9 @@ obfs2_state_set_shared_secret(void *s, const char *secret,
   obfs2_state_t *state = s;
 
   digest_t *c = digest_new();
-  /* ASN do we like this cast here? */
   digest_update(c, (uchar*)secret, secretlen);
   digest_getdigest(c, buf, sizeof(buf));
+
   memcpy(state->secret_seed, buf, SHARED_SECRET_LENGTH);
 
   memset(buf,0,SHARED_SECRET_LENGTH);



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