Implement net_* virtualization with TLS module

include/vlc_tls.h

@@ -24,6 +24,8 @@
 #ifndef _VLC_TLS_H
 # define _VLC_TLS_H
 
+# include "network.h"
+
 struct tls_t
 {
     VLC_COMMON_MEMBERS
@@ -56,10 +58,9 @@ struct tls_session_t
 
     void *p_sys;
 
+    struct virtual_socket_t sock;
     tls_session_t * (*pf_handshake) ( tls_session_t *, int );
     void (*pf_close) ( tls_session_t * );
-    int (*pf_send) ( tls_session_t *, const char *, int );
-    int (*pf_recv) ( tls_session_t *, char *, int );
 };
 
 
@@ -105,8 +106,9 @@ VLC_EXPORT( void, tls_ClientDelete, ( tls_session_t * ) );
 # define tls_SessionClose( a ) (((tls_session_t *)a)->pf_close (a))
 # define __tls_ClientDelete( a ) tls_SessionClose( a )
 
-# define tls_Send( a, b, c ) (((tls_session_t *)a)->pf_send (a, b, c ))
+/* NOTE: It is assumed that a->sock.p_sys = a */
+# define tls_Send( a, b, c ) (((tls_session_t *)a)->sock.pf_send (a, b, c ))
 
-# define tls_Recv( a, b, c ) (((tls_session_t *)a)->pf_recv (a, b, c ))
+# define tls_Recv( a, b, c ) (((tls_session_t *)a)->sock.pf_recv (a, b, c ))
 
 #endif

modules/misc/gnutls.c

@@ -88,12 +88,12 @@ typedef struct tls_client_sys_t
  * Sends data through a TLS session.
  *****************************************************************************/
 static int
-gnutls_Send( tls_session_t *p_session, const char *buf, int i_length )
+gnutls_Send( void *p_session, const void *buf, int i_length )
 {
     int val;
 
-    val = gnutls_record_send( *(gnutls_session *)(p_session->p_sys),
-                              buf, i_length );
+    val = gnutls_record_send( *(gnutls_session *)(((tls_session_t *)p_session)
+                                ->p_sys), buf, i_length );
     return val < 0 ? -1 : val;
 }
 
@@ -104,12 +104,12 @@ gnutls_Send( tls_session_t *p_session, const char *buf, int i_length )
  * Receives data through a TLS session.
  *****************************************************************************/
 static int
-gnutls_Recv( tls_session_t *p_session, char *buf, int i_length )
+gnutls_Recv( void *p_session, void *buf, int i_length )
 {
     int val;
 
-    val = gnutls_record_recv( *(gnutls_session *)(p_session->p_sys),
-                              buf, i_length );
+    val = gnutls_record_recv( *(gnutls_session *)(((tls_session_t *)p_session)
+                                ->p_sys), buf, i_length );
     return val < 0 ? -1 : val;
 }
 
@@ -269,10 +269,11 @@ gnutls_ClientCreate( tls_t *p_tls, const char *psz_ca_path )
     p_session->p_tls = p_tls;
     p_session->p_server = NULL;
     p_session->p_sys = p_sys;
+    p_session->sock.p_sys = p_session;
+    p_session->sock.pf_send = gnutls_Send;
+    p_session->sock.pf_recv = gnutls_Recv;
     p_session->pf_handshake = gnutls_SessionHandshake;
     p_session->pf_close = gnutls_SessionClose;
-    p_session->pf_send = gnutls_Send;
-    p_session->pf_recv = gnutls_Recv;
 
     return p_session;
 }
@@ -350,10 +351,11 @@ gnutls_ServerSessionPrepare( tls_server_t *p_server )
     p_session->p_tls = p_server->p_tls;
     p_session->p_server = p_server;
     p_session->p_sys = p_sys;
+    p_session->sock.p_sys = p_session;
+    p_session->sock.pf_send = gnutls_Send;
+    p_session->sock.pf_recv = gnutls_Recv;
     p_session->pf_handshake = gnutls_SessionHandshake;
     p_session->pf_close = gnutls_SessionClose;
-    p_session->pf_send = gnutls_Send;
-    p_session->pf_recv = gnutls_Recv;
 
     return p_session;
 }