Removed the 'master user' feature ... if we still need this we'll find another way

[citadel.git] / citadel / modules / xmpp / xmpp_sasl_service.c

diff --git a/citadel/modules/xmpp/xmpp_sasl_service.c b/citadel/modules/xmpp/xmpp_sasl_service.c
index 8e952d2c83de3d3ec8542cb4dbd3b0eb3fb49063..1b2e98ae98197697b75a60f955127dfdef335d0f 100644 (file)
--- a/citadel/modules/xmpp/xmpp_sasl_service.c
+++ b/citadel/modules/xmpp/xmpp_sasl_service.c
@@ -1,26 +1,17 @@
 /*
- * $Id$ 
- *
  * Barebones SASL authentication service for XMPP (Jabber) clients.
  *
  * Note: RFC3920 says we "must" support DIGEST-MD5 but we only support PLAIN.
  *
- * Copyright (c) 2007-2009 by Art Cancro
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
+ * Copyright (c) 2007-2018 by Art Cancro
  *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  */
 
 #include "sysdep.h"
@@ -72,7 +63,8 @@ int xmpp_auth_plain(char *authstring)
        char user[256];
        char pass[256];
        int result;
-
+       long len;
+       int i;
 
        /* Take apart the authentication string */
        memset(pass, 0, sizeof(pass));
@@ -80,27 +72,36 @@ int xmpp_auth_plain(char *authstring)
        CtdlDecodeBase64(decoded_authstring, authstring, strlen(authstring));
        safestrncpy(ident, decoded_authstring, sizeof ident);
        safestrncpy(user, &decoded_authstring[strlen(ident) + 1], sizeof user);
-       safestrncpy(pass, &decoded_authstring[strlen(ident) + strlen(user) + 2], sizeof pass);
-
+       len = safestrncpy(pass, &decoded_authstring[strlen(ident) + strlen(user) + 2], sizeof pass);
+       if (len < 0)
+               len = -len;
 
        /* If there are underscores in either string, change them to spaces.  Some clients
         * do not allow spaces so we can tell the user to substitute underscores if their
         * login name contains spaces.
         */
-       convert_spaces_to_underscores(ident);
-       convert_spaces_to_underscores(user);
+       for (i=0; ident[i]!=0; ++i) {
+               if (ident[i] == '_') {
+                       ident[i] = ' ';
+               }
+       }
+       for (i=0; user[i]!=0; ++i) {
+               if (user[i] == '_') {
+                       user[i] = ' ';
+               }
+       }
 
        /* Now attempt authentication */
 
        if (!IsEmptyStr(ident)) {
-               result = CtdlLoginExistingUser(user, ident);
+               result = CtdlLoginExistingUser(ident);
        }
        else {
-               result = CtdlLoginExistingUser(NULL, user);
+               result = CtdlLoginExistingUser(user);
        }
 
        if (result == login_ok) {
-               if (CtdlTryPassword(pass) == pass_ok) {
+               if (CtdlTryPassword(pass, len) == pass_ok) {
                        return(0);                              /* success */
                }
        }
@@ -154,22 +155,23 @@ void xmpp_sasl_auth(char *sasl_auth_mech, char *authstring) {
 /*
  * Non-SASL authentication
  */
-void xmpp_non_sasl_authenticate(char *iq_id, char *username, char *password, char *resource) {
+void xmpp_non_sasl_authenticate(char *iq_id, char *username, char *password) {
        int result;
+       char xmlbuf[256];
 
         if (CC->logged_in) CtdlUserLogout();  /* Client may try to log in twice.  Handle this. */
 
-       result = CtdlLoginExistingUser(NULL, username);
+       result = CtdlLoginExistingUser(username);
        if (result == login_ok) {
-               result = CtdlTryPassword(password);
+               result = CtdlTryPassword(password, strlen(password));
                if (result == pass_ok) {
-                       cprintf("<iq type=\"result\" id=\"%s\"></iq>", iq_id);  /* success */
+                       cprintf("<iq type=\"result\" id=\"%s\"></iq>", xmlesc(xmlbuf, iq_id, sizeof xmlbuf));   /* success */
                        return;
                }
        }
 
        /* failure */
-       cprintf("<iq type=\"error\" id=\"%s\">", iq_id);
+       cprintf("<iq type=\"error\" id=\"%s\">", xmlesc(xmlbuf, iq_id, sizeof xmlbuf));
        cprintf("<error code=\"401\" type=\"auth\">"
                "<not-authorized xmlns=\"urn:ietf:params:xml:ns:xmpp-stanzas\"/>"
                "</error>"