Added auth callback, handle close stream

src/server/parser.c

@@ -15,7 +15,6 @@ static XMPPClient *xmppclient;
 static XMPPStanza *curr_stanza;
 
 static stream_start_func stream_start_cb = NULL;
-static stream_end_func stream_end_cb = NULL;
 static auth_func auth_cb = NULL;
 
 static void
@@ -33,6 +32,7 @@ start_element(void *data, const char *element, const char **attribute)
     stanza->name = strdup(element);
     stanza->content = NULL;
     stanza->children = NULL;
+    stanza->attrs = NULL;
     if (attribute[0]) {
         for (i = 0; attribute[i]; i += 2) {
             XMPPAttr *attr = malloc(sizeof(XMPPAttr));
@@ -40,8 +40,6 @@ start_element(void *data, const char *element, const char **attribute)
             attr->value = strdup(attribute[i+1]);
             stanza->attrs = g_list_append(stanza->attrs, attr);
         }
-    } else {
-        stanza->attrs = NULL;
     }
 
     if (depth == 0) {
@@ -60,6 +58,10 @@ end_element(void *data, const char *element)
 {
     depth--;
 
+    if (stanza_get_child_by_ns(curr_stanza, "jabber:iq:auth")) {
+        auth_cb(xmppclient);
+    }
+
     if (depth > 0) {
         stanza_add_child(curr_stanza->parent, curr_stanza);
         curr_stanza = curr_stanza->parent;
@@ -83,11 +85,10 @@ handle_data(void *data, const char *content, int length)
 }
 
 void
-parser_init(XMPPClient *client, stream_start_func startcb, stream_end_func endcb, auth_func authcb)
+parser_init(XMPPClient *client, stream_start_func startcb, auth_func authcb)
 {
     xmppclient = client;
     stream_start_cb = startcb;
-    stream_end_cb = endcb;
     auth_cb = authcb;
 
     parser = XML_ParserCreate(NULL);
@@ -112,7 +113,7 @@ parser_reset(void)
 {
     if (do_reset == 1) {
         parser_close();
-        parser_init(xmppclient, stream_start_cb, stream_end_cb, auth_cb);
+        parser_init(xmppclient, stream_start_cb, auth_cb);
         do_reset = 0;
     }
 }

src/server/parser.h

@@ -4,10 +4,9 @@
 #include "server/xmppclient.h"
 
 typedef void (*stream_start_func)(void * const userdata);
-typedef void (*stream_end_func)(void * const userdata);
 typedef void (*auth_func)(void * const userdata);
 
-void parser_init(XMPPClient *client, stream_start_func startcb, stream_end_func endcb, auth_func authcb);
+void parser_init(XMPPClient *client, stream_start_func startcb, auth_func authcb);
 int parser_feed(char *chunk, int len);
 void parser_close(void);
 void parser_reset(void);

src/server/server.c

@@ -14,7 +14,6 @@
 #define STREAM_RESP  "<stream:stream from=\"localhost\" id=\"stream1\" xml:lang=\"en\" version=\"1.0\" xmlns=\"jabber:client\" xmlns:stream=\"http://etherx.jabber.org/streams\">"
 #define FEATURES "<stream:features></stream:features>"
 
-#define AUTH_REQ "<iq id=\"_xmpp_auth1\" type=\"set\"><query xmlns=\"jabber:iq:auth\"><username>stabber</username><password>password</password><resource>profanity</resource></query></iq>"
 #define AUTH_RESP "<iq id=\"_xmpp_auth1\" type=\"result\"/>"
 
 #define STREAM_END "</stream:stream>"
@@ -58,6 +57,27 @@ listen_for_xmlstart(XMPPClient *client)
     return 0;
 }
 
+void
+send_to(XMPPClient *client, const char * const stanza)
+{
+    int sent = 0;
+    int to_send = strlen(stanza);
+    char *marker = (char*)stanza;
+    while (to_send > 0 && ((sent = write(client->sock, marker, to_send)) > 0)) {
+        to_send -= sent;
+        marker += sent;
+    }
+    printf("SENT: %s\n", stanza);
+    fflush(stdout);
+}
+
+void
+stream_end(XMPPClient *client)
+{
+    printf("\n--> Stream end callback fired\n");
+    send_to(client, STREAM_END);
+}
+
 int
 listen_to(XMPPClient *client)
 {
@@ -73,6 +93,10 @@ listen_to(XMPPClient *client)
         fflush(stdout);
         parser_reset();
         g_string_append_len(stream, buf, read_size);
+        if (g_str_has_suffix(stream->str, "</stream:stream>")) {
+            stream_end(client);
+            break;
+        }
         memset(buf, 0, sizeof(buf));
     }
 
@@ -94,20 +118,6 @@ listen_to(XMPPClient *client)
     return 0;
 }
 
-void
-send_to(XMPPClient *client, const char * const stanza)
-{
-    int sent = 0;
-    int to_send = strlen(stanza);
-    char *marker = (char*)stanza;
-    while (to_send > 0 && ((sent = write(client->sock, marker, to_send)) > 0)) {
-        to_send -= sent;
-        marker += sent;
-    }
-    printf("SENT: %s\n", stanza);
-    fflush(stdout);
-}
-
 void
 stream_start_callback(void *userdata)
 {
@@ -128,14 +138,6 @@ auth_callback(void *userdata)
     printf("RECV: ");
 }
 
-void
-stream_end_callback(void *userdata)
-{
-    printf("\n--> Stream end callback fired\n");
-    XMPPClient *client = (XMPPClient*)userdata;
-    send_to(client, STREAM_END);
-}
-
 int main(int argc , char *argv[])
 {
     int port = 0;
@@ -212,7 +214,7 @@ int main(int argc , char *argv[])
     }
 
     XMPPClient *client = xmppclient_new(client_addr, client_socket);
-    parser_init(client, stream_start_callback, stream_end_callback, auth_callback);
+    parser_init(client, stream_start_callback, auth_callback);
     printf("RECV: ");
     int res = listen_for_xmlstart(client);
     if (res == -1) {
@@ -224,31 +226,7 @@ int main(int argc , char *argv[])
 
     stanza_show_all();
 
-//
-//    res = listen_for(client, STREAM_REQ);
-//    if (res == -1) {
-//        return;
-//    }
-//
-//    send_to(client, STREAM_RESP);
-//    send_to(client, FEATURES);
-//
-//    res = listen_for(client, AUTH_REQ);
-//    if (res == -1) {
-//        return;
-//    }
-//
-//    send_to(client, AUTH_RESP);
-//
-//    res = debug_client(client);
-//    if (res == -1) {
-//        return;
-//    }
-//
-//    printf("\nEnd stream receieved\n");
-//    xmppclient_end_session(client);
-//    fflush(stdout);
-//    return;
+    xmppclient_end_session(client);
 
     parser_close();
 

src/server/stanza.c

@@ -58,3 +58,36 @@ stanza_add_child(XMPPStanza *parent, XMPPStanza *child)
 {
     parent->children = g_list_append(parent->children, child);
 }
+
+XMPPStanza*
+stanza_get_child_by_ns(XMPPStanza *stanza, char *ns)
+{
+    if (!stanza) {
+        return NULL;
+    }
+
+    if (!stanza->children) {
+        return NULL;
+    }
+
+    GList *curr_child = stanza->children;
+    while (curr_child) {
+        XMPPStanza *child = curr_child->data;
+        if (!child->attrs) {
+            return NULL;
+        }
+        GList *curr_attr = child->attrs;
+        while (curr_attr) {
+            XMPPAttr *attr = curr_attr->data;
+            if ((g_strcmp0(attr->name, "xmlns") == 0) && (g_strcmp0(attr->value, ns) == 0)) {
+                return child;
+            }
+
+            curr_attr = g_list_next(curr_attr);
+        }
+
+        curr_child = g_list_next(curr_child);
+    }
+
+    return NULL;
+}

src/server/stanza.h

@@ -18,5 +18,6 @@ void stanza_show(XMPPStanza *stanza);
 void stanza_show_all(void);
 void stanza_add(XMPPStanza *stanza);
 void stanza_add_child(XMPPStanza *parent, XMPPStanza *child);
+XMPPStanza* stanza_get_child_by_ns(XMPPStanza *stanza, char *ns);
 
 #endif