* input: access meta data support.

 * net: support for SOCKS proxy support (for all TCP connections).

src/input/input.c

@@ -38,7 +38,6 @@
 #include "stream_output.h"
 
 #include "vlc_interface.h"
-#include "vlc_meta.h"
 
 /*****************************************************************************
  * Local prototypes
@@ -56,6 +55,7 @@ static vlc_bool_t Control( input_thread_t *, int, vlc_value_t );
 
 static int  UpdateFromAccess( input_thread_t * );
 static int  UpdateFromDemux( input_thread_t * );
+static int  UpdateMeta( input_thread_t * );
 
 static void UpdateItemLength( input_thread_t *, int64_t i_length );
 
@@ -130,6 +130,7 @@ input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
     p_input->i_rate  = INPUT_RATE_DEFAULT;
     p_input->i_bookmark = 0;
     p_input->bookmark = NULL;
+    p_input->p_meta  = NULL;
     p_input->p_es_out = NULL;
     p_input->p_sout  = NULL;
     p_input->b_out_pace_control = VLC_FALSE;
@@ -513,7 +514,7 @@ static int Init( input_thread_t * p_input )
     char *psz_subtitle;
     vlc_value_t val;
     double f_fps;
-    vlc_meta_t *p_meta, *p_meta_user;
+    vlc_meta_t *p_meta, *p_meta_tmp;
     int i_es_out_mode;
     int i, i_delay;
 
@@ -802,7 +803,7 @@ static int Init( input_thread_t * p_input )
     }
 
     /* Get meta data from users */
-    p_meta_user = InputMetaUser( p_input );
+    p_meta_tmp = InputMetaUser( p_input );
 
     /* Get meta data from master input */
     if( demux2_Control( p_input->input.p_demux, DEMUX_GET_META, &p_meta ) )
@@ -811,12 +812,25 @@ static int Init( input_thread_t * p_input )
     /* Merge them */
     if( p_meta == NULL )
     {
-        p_meta = p_meta_user;
+        p_meta = p_meta_tmp;
     }
-    else if( p_meta_user )
+    else if( p_meta_tmp )
     {
-        vlc_meta_Merge( p_meta, p_meta_user );
-        vlc_meta_Delete( p_meta_user );
+        vlc_meta_Merge( p_meta, p_meta_tmp );
+        vlc_meta_Delete( p_meta_tmp );
+    }
+
+    if( access2_Control( p_input->input.p_access, ACCESS_GET_META, &p_meta_tmp))
+        p_meta_tmp = NULL;
+
+    if( p_meta == NULL )
+    {
+        p_meta = p_meta_tmp;
+    }
+    else if( p_meta_tmp )
+    {
+        vlc_meta_Merge( p_meta, p_meta_tmp );
+        vlc_meta_Delete( p_meta_tmp );
     }
 
     /* Get meta data from slave input */
@@ -824,7 +838,8 @@ static int Init( input_thread_t * p_input )
     {
         vlc_meta_t *p_meta_slave;
 
-        if( !demux2_Control( p_input->slave[i]->p_demux, DEMUX_GET_META, &p_meta_slave ) )
+        if( !demux2_Control( p_input->slave[i]->p_demux,
+                             DEMUX_GET_META, &p_meta_slave ) )
         {
             if( p_meta == NULL )
             {
@@ -836,60 +851,25 @@ static int Init( input_thread_t * p_input )
                 vlc_meta_Delete( p_meta_slave );
             }
         }
-    }
 
-    if( p_meta && p_meta->i_meta > 0 )
-    {
-        msg_Dbg( p_input, "meta information:" );
-        for( i = 0; i < p_meta->i_meta; i++ )
+        if( !access2_Control( p_input->slave[i]->p_access,
+                              ACCESS_GET_META, &p_meta_slave ) )
         {
-            msg_Dbg( p_input, "  - '%s' = '%s'",
-                    _(p_meta->name[i]), p_meta->value[i] );
-
-            if( !strcmp(p_meta->name[i], VLC_META_TITLE) && p_meta->value[i] )
-                input_Control( p_input, INPUT_SET_NAME, p_meta->value[i] );
-
-            if( !strcmp( p_meta->name[i], VLC_META_AUTHOR ) )
-                input_Control( p_input, INPUT_ADD_INFO, _("General"),
-                               _("Author"), p_meta->value[i] );
-
-            input_Control( p_input, INPUT_ADD_INFO, _("Meta-information"),
-                          _(p_meta->name[i]), "%s", p_meta->value[i] );
-        }
-
-        for( i = 0; i < p_meta->i_track; i++ )
-        {
-            vlc_meta_t *tk = p_meta->track[i];
-            int j;
-
-            if( tk->i_meta > 0 )
+            if( p_meta == NULL )
             {
-                char *psz_cat = malloc( strlen(_("Stream")) + 10 );
-
-                msg_Dbg( p_input, "  - track[%d]:", i );
-
-                sprintf( psz_cat, "%s %d", _("Stream"), i );
-                for( j = 0; j < tk->i_meta; j++ )
-                {
-                    msg_Dbg( p_input, "     - '%s' = '%s'", _(tk->name[j]),
-                             tk->value[j] );
-
-                    input_Control( p_input, INPUT_ADD_INFO, psz_cat,
-                                   _(tk->name[j]), "%s", tk->value[j] );
-                }
+                p_meta = p_meta_slave;
+            }
+            else if( p_meta_slave )
+            {
+                vlc_meta_Merge( p_meta, p_meta_slave );
+                vlc_meta_Delete( p_meta_slave );
             }
         }
 
-        if( p_input->p_sout && p_input->p_sout->p_meta == NULL )
-        {
-            p_input->p_sout->p_meta = p_meta;
-        }
-        else
-        {
-            vlc_meta_Delete( p_meta );
-        }
     }
-    else if( p_meta ) vlc_meta_Delete( p_meta );
+
+    p_input->p_meta = p_meta;
+    UpdateMeta( p_input );
 
     msg_Dbg( p_input, "`%s' sucessfully opened",
              p_input->input.p_item->psz_uri );
@@ -995,6 +975,10 @@ static void End( input_thread_t * p_input )
             vlc_object_release( p_pl );
     }
 
+    /* Delete meta */
+    if( p_input->p_meta )
+        vlc_meta_Delete( p_input->p_meta );
+
     /* Tell we're dead */
     p_input->b_dead = VLC_TRUE;
 }
@@ -1507,6 +1491,27 @@ static int UpdateFromAccess( input_thread_t *p_input )
 
         p_access->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
     }
+    if( p_access->info.i_update & INPUT_UPDATE_META )
+    {
+        /* TODO maybe multi - access ? */
+        vlc_meta_t *p_meta;
+        if( !access2_Control( p_input->input.p_access,ACCESS_GET_META,&p_meta))
+        {
+            if( p_input->p_meta )
+            {
+                vlc_meta_Merge( p_input->p_meta, p_meta );
+                vlc_meta_Delete( p_meta );
+            }
+            else
+            {
+                p_input->p_meta = p_meta;
+            }
+
+            UpdateMeta( p_input );
+        }
+        p_access->info.i_update &= ~INPUT_UPDATE_META;
+    }
+
     p_access->info.i_update &= ~INPUT_UPDATE_SIZE;
 
     /* Hmmm only works with master input */
@@ -1536,6 +1541,65 @@ static int UpdateFromAccess( input_thread_t *p_input )
     return 1;
 }
 
+/*****************************************************************************
+ * UpdateMeta:
+ *****************************************************************************/
+static int  UpdateMeta( input_thread_t *p_input )
+{
+    vlc_meta_t *p_meta = p_input->p_meta;
+    int i;
+
+    if( !p_meta || p_meta->i_meta == 0 )
+        return VLC_SUCCESS;
+
+    msg_Dbg( p_input, "meta information:" );
+    for( i = 0; i < p_meta->i_meta; i++ )
+    {
+        msg_Dbg( p_input, "  - '%s' = '%s'",
+                _(p_meta->name[i]), p_meta->value[i] );
+
+        if( !strcmp(p_meta->name[i], VLC_META_TITLE) && p_meta->value[i] )
+            input_Control( p_input, INPUT_SET_NAME, p_meta->value[i] );
+
+        if( !strcmp( p_meta->name[i], VLC_META_AUTHOR ) )
+            input_Control( p_input, INPUT_ADD_INFO, _("General"),
+                           _("Author"), p_meta->value[i] );
+
+        input_Control( p_input, INPUT_ADD_INFO, _("Meta-information"),
+                      _(p_meta->name[i]), "%s", p_meta->value[i] );
+    }
+
+    for( i = 0; i < p_meta->i_track; i++ )
+    {
+        vlc_meta_t *tk = p_meta->track[i];
+        int j;
+
+        if( tk->i_meta > 0 )
+        {
+            char *psz_cat = malloc( strlen(_("Stream")) + 10 );
+
+            msg_Dbg( p_input, "  - track[%d]:", i );
+
+            sprintf( psz_cat, "%s %d", _("Stream"), i );
+            for( j = 0; j < tk->i_meta; j++ )
+            {
+                msg_Dbg( p_input, "     - '%s' = '%s'", _(tk->name[j]),
+                         tk->value[j] );
+
+                input_Control( p_input, INPUT_ADD_INFO, psz_cat,
+                               _(tk->name[j]), "%s", tk->value[j] );
+            }
+        }
+    }
+
+    if( p_input->p_sout && p_input->p_sout->p_meta == NULL )
+    {
+        p_input->p_sout->p_meta = vlc_meta_Duplicate( p_meta );
+    }
+
+    return VLC_SUCCESS;
+}
+
 /*****************************************************************************
  * UpdateItemLength:
  *****************************************************************************/

src/libvlc.h

@@ -405,6 +405,22 @@ static char *ppsz_align_descriptions[] =
     "If you check this box, IPv4 will be used by default for all UDP and " \
     "HTTP connections.")
 
+#define SOCKS_SERVER_TEXT N_("SOCKS server")
+#define SOCKS_SERVER_LONGTEXT N_( \
+    "Allow you to specify a SOCKS server to use. It must be of the form " \
+    "address:port . It will be used for all TCP connections" )
+
+#define SOCKS_USER_TEXT N_("SOCKS user name")
+#define SOCKS_USER_LONGTEXT N_("Allows you to modify the user name that will " \
+    "be used for the connection to the SOCKS server.")
+
+#define SOCKS_PASS_TEXT N_("SOCKS password")
+#define SOCKS_PASS_LONGTEXT N_("Allows you to modify the password that will " \
+    "be used for the connection to the SOCKS server.")
+
+
+
+
 #define META_TITLE_TEXT N_("Title metadata")
 #define META_TITLE_LONGTEXT N_( \
      "Allows you to specify a \"title\" metadata for an input.")
@@ -932,6 +948,14 @@ vlc_module_begin();
     add_bool( "ipv4", 0, NULL, IPV4_TEXT, IPV4_LONGTEXT, VLC_FALSE );
         change_short('4');
 
+    add_string( "socks", NULL, NULL,
+                 SOCKS_SERVER_TEXT, SOCKS_SERVER_LONGTEXT, VLC_TRUE );
+    add_string( "socks-user", NULL, NULL,
+                 SOCKS_USER_TEXT, SOCKS_USER_LONGTEXT, VLC_TRUE );
+    add_string( "socks-pwd", NULL, NULL,
+                 SOCKS_PASS_TEXT, SOCKS_PASS_LONGTEXT, VLC_TRUE );
+
+
     add_string( "meta-title", NULL, NULL, META_TITLE_TEXT,
                 META_TITLE_LONGTEXT, VLC_TRUE );
     add_string( "meta-author", NULL, NULL, META_AUTHOR_TEXT,

src/misc/net.c

@@ -57,6 +57,59 @@
 
 #include "network.h"
 
+#ifndef INADDR_ANY
+#   define INADDR_ANY  0x00000000
+#endif
+#ifndef INADDR_NONE
+#   define INADDR_NONE 0xFFFFFFFF
+#endif
+
+static int SocksNegociate( vlc_object_t *, int fd, int i_socks_version,
+                           char *psz_socks_user, char *psz_socks_passwd );
+static int SocksHandshakeTCP( vlc_object_t *,
+                              int fd, int i_socks_version,
+                              char *psz_socks_user, char *psz_socks_passwd,
+                              const char *psz_host, int i_port );
+
+/*****************************************************************************
+ * net_ConvertIPv4:
+ *****************************************************************************
+ * Open a TCP connection and return a handle
+ *****************************************************************************/
+int net_ConvertIPv4( uint32_t *p_addr, const char * psz_address )
+{
+    /* Reset struct */
+    if( !*psz_address )
+    {
+        *p_addr = INADDR_ANY;
+    }
+    else
+    {
+        struct hostent *p_hostent;
+
+        /* Try to convert address directly from in_addr - this will work if
+         * psz_address is dotted decimal. */
+#ifdef HAVE_ARPA_INET_H
+        if( !inet_aton( psz_address, &p_addr ) )
+#else
+        *p_addr = inet_addr( psz_address );
+        if( *p_addr == INADDR_NONE )
+#endif
+        {
+            /* We have a fqdn, try to find its address */
+            if ( (p_hostent = gethostbyname( psz_address )) == NULL )
+            {
+                return VLC_EGENERIC;
+            }
+
+            /* Copy the first address of the host in the socket address */
+            memcpy( p_addr, p_hostent->h_addr_list[0],
+                    p_hostent->h_length );
+        }
+    }
+    return VLC_SUCCESS;
+}
+
 /*****************************************************************************
  * __net_OpenTCP:
  *****************************************************************************
@@ -90,11 +143,32 @@ int __net_OpenTCP( vlc_object_t *p_this, const char *psz_host, int i_port )
     sock.i_type = NETWORK_TCP;
     sock.psz_bind_addr   = "";
     sock.i_bind_port     = 0;
-    sock.psz_server_addr = (char *)psz_host;
-    sock.i_server_port   = i_port;
     sock.i_ttl           = 0;
 
-    msg_Dbg( p_this, "net: connecting to '%s:%d'", psz_host, i_port );
+    var_Create( p_this, "socks", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+    var_Get( p_this, "socks", &val );
+    if( *val.psz_string && *val.psz_string != ':' )
+    {
+        char *psz = strchr( val.psz_string, ':' );
+
+        if( psz )
+            *psz++ = '\0';
+
+        sock.psz_server_addr = (char*)val.psz_string;
+        sock.i_server_port   = psz ? atoi( psz ) : 1080;
+
+        msg_Dbg( p_this, "net: connecting to '%s:%d' for '%s:%d'",
+                 sock.psz_server_addr, sock.i_server_port,
+                 psz_host, i_port );
+    }
+    else
+    {
+        sock.psz_server_addr = (char*)psz_host;
+        sock.i_server_port   = i_port;
+        msg_Dbg( p_this, "net: connecting to '%s:%d'", psz_host, i_port );
+    }
+
+
     private = p_this->p_private;
     p_this->p_private = (void*)&sock;
     if( !( p_network = module_Need( p_this, "network", psz_network, 0 ) ) )
@@ -106,6 +180,25 @@ int __net_OpenTCP( vlc_object_t *p_this, const char *psz_host, int i_port )
     module_Unneed( p_this, p_network );
     p_this->p_private = private;
 
+    if( *val.psz_string && *val.psz_string != ':' )
+    {
+        char *psz_user = var_CreateGetString( p_this, "socks-user" );
+        char *psz_pwd  = var_CreateGetString( p_this, "socks-pwd" );
+
+        if( SocksHandshakeTCP( p_this, sock.i_handle, 5,
+                               psz_user, psz_pwd,
+                               psz_host, i_port ) )
+        {
+            msg_Err( p_this, "failed to use the SOCKS server" );
+            net_Close( sock.i_handle );
+            return -1;
+        }
+
+        free( psz_user );
+        free( psz_pwd );
+    }
+    free( val.psz_string );
+
     return sock.i_handle;
 }
 
@@ -667,3 +760,196 @@ int __net_vaPrintf( vlc_object_t *p_this, int fd, v_socket_t *p_vs,
 
     return i_ret;
 }
+
+
+
+/*****************************************************************************
+ * SocksNegociate:
+ *****************************************************************************
+ * Negociate authentication with a SOCKS server.
+ *****************************************************************************/
+static int SocksNegociate( vlc_object_t *p_obj,
+                           int fd, int i_socks_version,
+                           char *psz_socks_user,
+                           char *psz_socks_passwd )
+{
+    uint8_t buffer[128+2*256];
+    int i_len;
+    vlc_bool_t b_auth = VLC_FALSE;
+
+    if( i_socks_version != 5 )
+        return VLC_SUCCESS;
+
+    /* We negociate authentication */
+
+    if( psz_socks_user && psz_socks_passwd &&
+        *psz_socks_user && *psz_socks_passwd )
+        b_auth = VLC_TRUE;
+
+    buffer[0] = i_socks_version;    /* SOCKS version */
+    if( b_auth )
+    {
+        buffer[1] = 2;                  /* Number of methods */
+        buffer[2] = 0x00;               /* - No auth required */
+        buffer[3] = 0x02;               /* - USer/Password */
+        i_len = 4;
+    }
+    else
+    {
+        buffer[1] = 1;                  /* Number of methods */
+        buffer[2] = 0x00;               /* - No auth required */
+        i_len = 3;
+    }
+    
+    if( net_Write( p_obj, fd, NULL, buffer, i_len ) != i_len )
+        return VLC_EGENERIC;
+    if( net_Read( p_obj, fd, NULL, buffer, 2, VLC_TRUE ) != 2 )
+        return VLC_EGENERIC;
+
+    msg_Dbg( p_obj, "socks: v=%d method=%x", buffer[0], buffer[1] );
+
+    if( buffer[1] == 0x00 )
+    {
+        msg_Dbg( p_obj, "socks: no authentication required" );
+    }
+    else if( buffer[1] == 0x02 )
+    {
+        int i_len1 = __MIN( strlen(psz_socks_user), 255 );
+        int i_len2 = __MIN( strlen(psz_socks_passwd), 255 );
+        msg_Dbg( p_obj, "socks: username/password authentication" );
+
+        /* XXX: we don't support user/pwd > 255 (truncated)*/
+        buffer[0] = i_socks_version;        /* Version */
+        buffer[1] = i_len1;                 /* User length */
+        memcpy( &buffer[2], psz_socks_user, i_len1 );
+        buffer[2+i_len1] = i_len2;          /* Password length */
+        memcpy( &buffer[2+i_len1+1], psz_socks_passwd, i_len2 );
+
+        i_len = 3 + i_len1 + i_len2;
+
+        if( net_Write( p_obj, fd, NULL, buffer, i_len ) != i_len )
+            return VLC_EGENERIC;
+
+        if( net_Read( p_obj, fd, NULL, buffer, 2, VLC_TRUE ) != 2 )
+            return VLC_EGENERIC;
+
+        msg_Dbg( p_obj, "socks: v=%d status=%x", buffer[0], buffer[1] );
+        if( buffer[1] != 0x00 )
+        {
+            msg_Err( p_obj, "socks: authentication rejected" );
+            return VLC_EGENERIC;
+        }
+    }
+    else
+    {
+        if( b_auth )
+            msg_Err( p_obj, "socks: unsupported authentication method %x",
+                     buffer[0] );
+        else
+            msg_Err( p_obj, "socks: authentification needed" );
+        return VLC_EGENERIC;
+    }
+
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * SocksHandshakeTCP:
+ *****************************************************************************
+ * Open a TCP connection using a SOCKS server and return a handle (RFC 1928)
+ *****************************************************************************/
+static int SocksHandshakeTCP( vlc_object_t *p_obj,
+                              int fd,
+                              int i_socks_version,
+                              char *psz_socks_user, char *psz_socks_passwd,
+                              const char *psz_host, int i_port )
+{
+    uint8_t buffer[128+2*256];
+
+    if( i_socks_version != 4 && i_socks_version != 5 )
+    {
+        msg_Warn( p_obj, "invalid socks protocol version %d", i_socks_version );
+        i_socks_version = 5;
+    }
+
+    if( i_socks_version == 5 && 
+        SocksNegociate( p_obj, fd, i_socks_version,
+                        psz_socks_user, psz_socks_passwd ) )
+        return VLC_EGENERIC;
+
+    if( i_socks_version == 4 )
+    {
+        uint32_t addr;
+
+        /* v4 only support ipv4 */
+        if( net_ConvertIPv4( &addr, psz_host ) )
+            return VLC_EGENERIC;
+
+        buffer[0] = i_socks_version;
+        buffer[1] = 0x01;               /* CONNECT */
+        SetWBE( &buffer[2], i_port );   /* Port */
+        memcpy( &buffer[4], &addr, 4 ); /* Addresse */
+        buffer[8] = 0;                  /* Empty user id */
+
+        if( net_Write( p_obj, fd, NULL, buffer, 9 ) != 9 )
+            return VLC_EGENERIC;
+        if( net_Read( p_obj, fd, NULL, buffer, 8, VLC_TRUE ) != 8 )
+            return VLC_EGENERIC;
+
+        msg_Dbg( p_obj, "socks: v=%d cd=%d",
+                 buffer[0], buffer[1] );
+
+        if( buffer[1] != 90 )
+            return VLC_EGENERIC;
+    }
+    else if( i_socks_version == 5 )
+    {
+        int i_hlen = __MIN(strlen( psz_host ), 255);
+        int i_len;
+
+        buffer[0] = i_socks_version;    /* Version */
+        buffer[1] = 0x01;               /* Cmd: connect */
+        buffer[2] = 0x00;               /* Reserved */
+        buffer[3] = 3;                  /* ATYP: for now domainname */
+
+        buffer[4] = i_hlen;
+        memcpy( &buffer[5], psz_host, i_hlen );
+        SetWBE( &buffer[5+i_hlen], i_port );
+
+        i_len = 5 + i_hlen + 2;
+
+
+        if( net_Write( p_obj, fd, NULL, buffer, i_len ) != i_len )
+            return VLC_EGENERIC;
+
+        /* Read the header */
+        if( net_Read( p_obj, fd, NULL, buffer, 5, VLC_TRUE ) != 5 )
+            return VLC_EGENERIC;
+
+        msg_Dbg( p_obj, "socks: v=%d rep=%d atyp=%d",
+                 buffer[0], buffer[1], buffer[3] );
+
+        if( buffer[1] != 0x00 )
+        {
+            msg_Err( p_obj, "socks: CONNECT request failed\n" );
+            return VLC_EGENERIC;
+        }
+
+        /* Read the remaining bytes */
+        if( buffer[3] == 0x01 )
+            i_len = 4-1 + 2;
+        else if( buffer[3] == 0x03 )
+            i_len = buffer[4] + 2;
+        else if( buffer[3] == 0x04 )
+            i_len = 16-1+2;
+        else 
+            return VLC_EGENERIC;
+
+        if( net_Read( p_obj, fd, NULL, buffer, i_len, VLC_TRUE ) != i_len )
+            return VLC_EGENERIC;
+    }
+
+    return VLC_SUCCESS;
+}
+
+