This is an omnibus commit which moves the Citadel Server from crusty old GNU Autotool...

[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
deleted file mode 100644 (file)
index bb31dda..0000000
--- a/citadel/modules/xmpp/xmpp_sasl_service.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * Barebones SASL authentication service for XMPP (Jabber) clients.
- *
- * Note: RFC3920 says we "must" support DIGEST-MD5 but we only support PLAIN.
- *
- * Copyright (c) 2007-2019 by Art Cancro
- *
- * 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"
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <pwd.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <time.h>
-#include <sys/wait.h>
-#include <string.h>
-#include <limits.h>
-#include <ctype.h>
-#include <expat.h>
-#include <libcitadel.h>
-#include "citadel.h"
-#include "server.h"
-#include "citserver.h"
-#include "support.h"
-#include "config.h"
-#include "user_ops.h"
-#include "internet_addressing.h"
-#include "ctdl_module.h"
-#include "serv_xmpp.h"
-
-
-/*
- * PLAIN authentication.  Returns zero on success, nonzero on failure.
- */
-int xmpp_auth_plain(char *authstring)
-{
-       char decoded_authstring[1024];
-       char ident[256];
-       char user[256];
-       char pass[256];
-       int result;
-       long len;
-
-       /* Take apart the authentication string */
-       memset(pass, 0, sizeof(pass));
-
-       CtdlDecodeBase64(decoded_authstring, authstring, strlen(authstring));
-       safestrncpy(ident, decoded_authstring, sizeof ident);
-       safestrncpy(user, &decoded_authstring[strlen(ident) + 1], sizeof user);
-       len = safestrncpy(pass, &decoded_authstring[strlen(ident) + strlen(user) + 2], sizeof pass);
-       if (len < 0) {
-               len = -len;
-       }
-
-       if (!IsEmptyStr(ident)) {
-               result = CtdlLoginExistingUser(ident);
-       }
-       else {
-               result = CtdlLoginExistingUser(user);
-       }
-
-       if (result == login_ok) {
-               if (CtdlTryPassword(pass, len) == pass_ok) {
-                       return(0);                              /* success */
-               }
-       }
-
-       return(1);                                              /* failure */
-}
-
-
-/*
- * Output the list of SASL mechanisms offered by this stream.
- */
-void xmpp_output_auth_mechs(void) {
-       cprintf("<mechanisms xmlns=\"urn:ietf:params:xml:ns:xmpp-sasl\">");
-       cprintf("<mechanism>PLAIN</mechanism>");
-       cprintf("</mechanisms>");
-}
-
-
-/*
- * Here we go ... client is trying to authenticate.
- */
-void xmpp_sasl_auth(char *sasl_auth_mech, char *authstring) {
-
-       if (strcasecmp(sasl_auth_mech, "PLAIN")) {
-               cprintf("<failure xmlns=\"urn:ietf:params:xml:ns:xmpp-sasl\">");
-               cprintf("<invalid-mechanism/>");
-               cprintf("</failure>");
-               return;
-       }
-
-        if (CC->logged_in) {
-               CtdlUserLogout();  /* Client may try to log in twice.  Handle this. */
-       }
-
-       if (CC->nologin) {
-               cprintf("<failure xmlns=\"urn:ietf:params:xml:ns:xmpp-sasl\">");
-               cprintf("<system-shutdown/>");
-               cprintf("</failure>");
-       }
-
-       else if (xmpp_auth_plain(authstring) == 0) {
-               cprintf("<success xmlns=\"urn:ietf:params:xml:ns:xmpp-sasl\"/>");
-       }
-
-       else {
-               cprintf("<failure xmlns=\"urn:ietf:params:xml:ns:xmpp-sasl\">");
-               cprintf("<not-authorized/>");
-               cprintf("</failure>");
-       }
-}
-
-
-/*
- * Non-SASL authentication
- */
-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(username);
-       if (result == login_ok) {
-               result = CtdlTryPassword(password, strlen(password));
-               if (result == pass_ok) {
-                       cprintf("<iq type=\"result\" id=\"%s\"></iq>", xmlesc(xmlbuf, iq_id, sizeof xmlbuf));   /* success */
-                       return;
-               }
-       }
-
-       /* failure */
-       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>"
-               "</iq>"
-       );
-}