Changes in protocols/jabber/si.c [2c2df7d:dce3903]

File:

• protocols/jabber/si.c (modified) (8 diffs)

protocols/jabber/si.c

@@ -26 +26 @@
 
 void jabber_si_answer_request( file_transfer_t *ft );
-
-/* imcb callback */
+int jabber_si_send_request(struct im_connection *ic, char *who, struct jabber_transfer *tf );
+
+/* file_transfer free() callback */
 void jabber_si_free_transfer( file_transfer_t *ft)
 {
@@ -50 +51 @@
 }
 
-/* imcb callback */
+/* file_transfer finished() callback */
 void jabber_si_finished( file_transfer_t *ft )
 {
@@ -58 +59 @@
 }
 
-/* imcb callback */
+/* file_transfer canceled() callback */
 void jabber_si_canceled( file_transfer_t *ft, char *reason )
 {
@@ -76 +77 @@
         xt_free_node( reply );
 
+}
+
+void jabber_si_transfer_request( struct im_connection *ic, file_transfer_t *ft, char *who ) 
+{
+        struct jabber_transfer *tf;
+        struct jabber_data *jd = ic->proto_data;
+
+        imcb_log( ic, "Trying to send %s(%zd bytes) to %s", ft->file_name, ft->file_size, who );
+
+        tf = g_new0( struct jabber_transfer, 1 );
+
+        tf->ic = ic;
+        tf->ft = ft;
+        tf->ft->data = tf;
+        tf->ft->free = jabber_si_free_transfer;
+        tf->ft->finished = jabber_si_finished;
+        ft->write = jabber_bs_send_write;
+
+        jd->filetransfers = g_slist_prepend( jd->filetransfers, tf );
+
+        jabber_si_send_request( ic, who, tf );
+
+        imcb_file_recv_start( ft );
 }
 
@@ -136 +160 @@
                                 break;
                         }
+
+                if ( !requestok )
+                        imcb_log( ic, "WARNING: Unsupported file transfer request from %s", ini_jid);
         }
         
@@ -160 +187 @@
 
                 *s = '/';
-        } else 
-                imcb_log( ic, "WARNING: Unsupported file transfer request from %s", ini_jid);
+        }
 
         if ( !requestok )
@@ -198 +224 @@
 
 /*
- * imcb called the accept callback which probably means that the user accepted this file transfer.
+ * imc called the accept callback which probably means that the user accepted this file transfer.
  * We send our response to the initiator.
  * In the next step, the initiator will send us a request for the given stream type.
@@ -245 +271 @@
         xt_free_node( reply );
 }
+
+static xt_status jabber_si_handle_response(struct im_connection *ic, struct xt_node *node, struct xt_node *orig )
+{
+        struct xt_node *c, *d;
+        char *ini_jid, *tgt_jid, *iq_id;
+        GSList *tflist;
+        struct jabber_transfer *tf=NULL;
+        struct jabber_data *jd = ic->proto_data;
+
+        if( !( tgt_jid = xt_find_attr( node, "from" ) ) ||
+            !( ini_jid = xt_find_attr( node, "to" ) ) )
+        {
+                imcb_log( ic, "Invalid SI response from=%s to=%s", tgt_jid, ini_jid );
+                return XT_HANDLED;
+        }
+        
+        /* All this means we expect something like this: ( I think )
+         * <iq from=... to=... id=...>
+         *      <si xmlns=si>
+         *      [       <file xmlns=ft/>    ] <-- not neccessary
+         *              <feature xmlns=feature>
+         *                      <x xmlns=xdata type=submit>
+         *                              <field var=stream-method>
+         *                                      <value>
+         */
+        if( !( tgt_jid = xt_find_attr( node, "from" ) ) ||
+            !( ini_jid = xt_find_attr( node, "to" ) ) ||
+            !( iq_id   = xt_find_attr( node, "id" ) ) ||
+            !( c = xt_find_node( node->children, "si" ) ) ||
+            !( strcmp( xt_find_attr( c, "xmlns" ), XMLNS_SI ) == 0 ) ||
+/*          !( d = xt_find_node( c->children, "file" ) ) ||
+            !( strcmp( xt_find_attr( d, "xmlns" ), XMLNS_FILETRANSFER ) == 0 ) || */
+            !( d = xt_find_node( c->children, "feature" ) ) ||
+            !( strcmp( xt_find_attr( d, "xmlns" ), XMLNS_FEATURE ) == 0 ) ||
+            !( d = xt_find_node( d->children, "x" ) ) ||
+            !( strcmp( xt_find_attr( d, "xmlns" ), XMLNS_XDATA ) == 0 ) ||
+            !( strcmp( xt_find_attr( d, "type" ), "submit" ) == 0 ) ||
+            !( d = xt_find_node( d->children, "field" ) ) ||
+            !( strcmp( xt_find_attr( d, "var" ), "stream-method" ) == 0 ) ||
+            !( d = xt_find_node( d->children, "value" ) ) )
+        {
+                imcb_log( ic, "WARNING: Received incomplete Stream Initiation response" );
+                return XT_HANDLED;
+        }
+
+        if( !( strcmp( d->text, XMLNS_BYTESTREAMS ) == 0 ) ) { 
+                /* since we should only have advertised what we can do and the peer should
+                 * only have chosen what we offered, this should never happen */
+                imcb_log( ic, "WARNING: Received invalid Stream Initiation response, method %s", d->text );
+                        
+                return XT_HANDLED;
+        }
+        
+        /* Let's see if we can find out what this bytestream should be for... */
+
+        for( tflist = jd->filetransfers ; tflist; tflist = g_slist_next(tflist) )
+        {
+                struct jabber_transfer *tft = tflist->data;
+                if( ( strcmp( tft->iq_id, iq_id ) == 0 ) )
+                {
+                        tf = tft;
+                        break;
+                }
+        }
+
+        if (!tf) 
+        {
+                imcb_log( ic, "WARNING: Received bytestream request from %s that doesn't match an SI request", ini_jid );
+                return XT_HANDLED;
+        }
+
+        tf->ini_jid = g_strdup( ini_jid );
+        tf->tgt_jid = g_strdup( tgt_jid );
+
+        imcb_log( ic, "File %s: %s accepted the transfer!", tf->ft->file_name, tgt_jid );
+
+        jabber_bs_send_start( tf );
+
+        return XT_HANDLED;
+}
+
+int jabber_si_send_request(struct im_connection *ic, char *who, struct jabber_transfer *tf )
+{
+        struct xt_node *node, *sinode;
+        struct jabber_buddy *bud;
+
+        /* who knows how many bits the future holds :) */
+        char filesizestr[ 1 + ( int ) ( 0.301029995663981198f * sizeof( size_t ) * 8 ) ];
+
+        const char *methods[] = 
+        {       
+                XMLNS_BYTESTREAMS,
+                //XMLNS_IBB,
+                NULL 
+        };
+        const char **m;
+        char *s;
+
+        /* Maybe we should hash this? */
+        tf->sid = g_strdup_printf( "BitlBeeJabberSID%d", tf->ft->local_id );
+        
+        if( ( s = strchr( who, '=' ) ) && jabber_chat_by_name( ic, s + 1 ) )
+                bud = jabber_buddy_by_ext_jid( ic, who, 0 );
+        else
+                bud = jabber_buddy_by_jid( ic, who, 0 );
+
+        /* start with the SI tag */
+        sinode = xt_new_node( "si", NULL, NULL );
+        xt_add_attr( sinode, "xmlns", XMLNS_SI );
+        xt_add_attr( sinode, "profile", XMLNS_FILETRANSFER );
+        xt_add_attr( sinode, "id", tf->sid );
+
+/*      if( mimetype ) 
+                xt_add_attr( node, "mime-type", mimetype ); */
+
+        /* now the file tag */
+/*      if( desc )
+                node = xt_new_node( "desc", descr, NULL ); */
+        node = xt_new_node( "range", NULL, NULL );
+
+        sprintf( filesizestr, "%zd", tf->ft->file_size );
+        node = xt_new_node( "file", NULL, node );
+        xt_add_attr( node, "xmlns", XMLNS_FILETRANSFER );
+        xt_add_attr( node, "name", tf->ft->file_name );
+        xt_add_attr( node, "size", filesizestr );
+/*      if (hash)
+                xt_add_attr( node, "hash", hash );
+        if (date)
+                xt_add_attr( node, "date", date ); */
+
+        xt_add_child( sinode, node );
+
+        /* and finally the feature tag */
+        node = xt_new_node( "field", NULL, NULL );
+        xt_add_attr( node, "var", "stream-method" );
+        xt_add_attr( node, "type", "list-single" );
+
+        for ( m = methods ; *m ; m ++ )
+                xt_add_child( node, xt_new_node( "option", NULL, xt_new_node( "value", (char *)*m, NULL ) ) );
+
+        node = xt_new_node( "x", NULL, node );
+        xt_add_attr( node, "xmlns", XMLNS_XDATA );
+        xt_add_attr( node, "type", "form" );
+
+        node = xt_new_node( "feature", NULL, node );
+        xt_add_attr( node, "xmlns", XMLNS_FEATURE );
+
+        xt_add_child( sinode, node );
+
+        /* and we are there... */
+        node = jabber_make_packet( "iq", "set", bud ? bud->full_jid : who, sinode );
+        jabber_cache_add( ic, node, jabber_si_handle_response );
+        tf->iq_id = g_strdup( xt_find_attr( node, "id" ) );
+        
+        return jabber_write_packet( ic, node );
+}