/*
+ * Copyright notice from original mutt:
* Copyright (C) 2000-3 Brendan Cully <brendan@kublai.com>
- *
- * 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 2 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.
- *
- * 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, USA.
- */
+ *
+ * This file is part of mutt-ng, see http://www.muttng.org/.
+ * It's licensed under the GNU General Public License,
+ * please see the file GPL in the top level source directory.
+ */
/* SASL login/authentication code */
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif
+
#include "mutt.h"
+#include "ascii.h"
#include "mutt_sasl.h"
#include "imap_private.h"
#include "auth.h"
-#ifdef USE_SASL2
+#include "lib/mem.h"
+#include "lib/intl.h"
+#include "lib/debug.h"
+
#include <sasl/sasl.h>
#include <sasl/saslutil.h>
-#else
-#include <sasl.h>
-#include <saslutil.h>
-#endif
/* imap_auth_sasl: Default authenticator if available. */
-imap_auth_res_t imap_auth_sasl (IMAP_DATA* idata, const char* method)
+imap_auth_res_t imap_auth_sasl (IMAP_DATA * idata, const char *method)
{
- sasl_conn_t* saslconn;
- sasl_interact_t* interaction = NULL;
+ sasl_conn_t *saslconn;
+ sasl_interact_t *interaction = NULL;
int rc, irc;
char buf[HUGE_STRING];
- const char* mech;
-#ifdef USE_SASL2
+ const char *mech;
+
const char *pc = NULL;
-#else
- char* pc = NULL;
-#endif
unsigned int len, olen;
unsigned char client_start;
- if (mutt_sasl_client_new (idata->conn, &saslconn) < 0)
- {
- dprint (1, (debugfile,
- "imap_auth_sasl: Error allocating SASL connection.\n"));
+ if (mutt_sasl_client_new (idata->conn, &saslconn) < 0) {
+ debug_print (1, ("Error allocating SASL connection.\n"));
return IMAP_AUTH_FAILURE;
}
rc = SASL_FAIL;
/* If the user hasn't specified a method, use any available */
- if (!method)
- {
+ if (!method) {
method = idata->capstr;
/* hack for SASL ANONYMOUS support:
return IMAP_AUTH_FAILURE;
if (mutt_bit_isset (idata->capabilities, AUTH_ANON) &&
- (!idata->conn->account.user[0] ||
- !ascii_strncmp (idata->conn->account.user, "anonymous", 9)))
-#ifdef USE_SASL2
- rc = sasl_client_start (saslconn, "AUTH=ANONYMOUS", NULL, &pc, &olen,
+ (!idata->conn->account.user[0] ||
+ !ascii_strncmp (idata->conn->account.user, "anonymous", 9)))
+ rc = sasl_client_start (saslconn, "AUTH=ANONYMOUS", NULL, &pc, &olen,
&mech);
-#else
- rc = sasl_client_start (saslconn, "AUTH=ANONYMOUS", NULL, NULL, &pc, &olen,
- &mech);
-#endif
}
-
+
if (rc != SASL_OK && rc != SASL_CONTINUE)
- do
- {
-#ifdef USE_SASL2
+ do {
rc = sasl_client_start (saslconn, method, &interaction,
- &pc, &olen, &mech);
-#else
- rc = sasl_client_start (saslconn, method, NULL, &interaction,
- &pc, &olen, &mech);
-#endif
+ &pc, &olen, &mech);
if (rc == SASL_INTERACT)
- mutt_sasl_interact (interaction);
+ mutt_sasl_interact (interaction);
}
while (rc == SASL_INTERACT);
client_start = (olen > 0);
- if (rc != SASL_OK && rc != SASL_CONTINUE)
- {
+ if (rc != SASL_OK && rc != SASL_CONTINUE) {
if (method)
- dprint (2, (debugfile, "imap_auth_sasl: %s unavailable\n", method));
+ debug_print (2, ("%s unavailable\n", method));
else
- dprint (1, (debugfile, "imap_auth_sasl: Failure starting authentication exchange. No shared mechanisms?\n"));
+ debug_print (1, ("Failure starting authentication exchange. No shared mechanisms?\n"));
/* SASL doesn't support LOGIN, so fall back */
return IMAP_AUTH_UNAVAIL;
irc = IMAP_CMD_CONTINUE;
/* looping protocol */
- while (rc == SASL_CONTINUE)
- {
+ while (rc == SASL_CONTINUE || olen > 0) {
do
irc = imap_cmd_step (idata);
while (irc == IMAP_CMD_CONTINUE);
+ if (method && irc == IMAP_CMD_NO) {
+ debug_print (2, ("%s failed\n", method));
+ sasl_dispose (&saslconn);
+ return IMAP_AUTH_UNAVAIL;
+ }
+
if (irc == IMAP_CMD_BAD || irc == IMAP_CMD_NO)
goto bail;
- if (irc == IMAP_CMD_RESPOND)
- {
-#ifdef USE_SASL2
- if (sasl_decode64 (idata->cmd.buf+2, strlen (idata->cmd.buf+2), buf, LONG_STRING-1,
-#else
- if (sasl_decode64 (idata->cmd.buf+2, strlen (idata->cmd.buf+2), buf,
-#endif
- &len) != SASL_OK)
- {
- dprint (1, (debugfile, "imap_auth_sasl: error base64-decoding server response.\n"));
- goto bail;
+ if (irc == IMAP_CMD_RESPOND) {
+ if (sasl_decode64
+ (idata->cmd.buf + 2, str_len (idata->cmd.buf + 2), buf,
+ LONG_STRING - 1,
+ &len) != SASL_OK) {
+ debug_print (1, ("error base64-decoding server response.\n"));
+ goto bail;
}
}
- if (!client_start)
- {
- do
- {
- rc = sasl_client_step (saslconn, buf, len, &interaction, &pc, &olen);
- if (rc == SASL_INTERACT)
- mutt_sasl_interact (interaction);
+ /* client-start is only available with the SASL-IR extension, but
+ * SASL 2.1 seems to want to use it regardless, at least for DIGEST
+ * fast reauth. Override if the server sent an initial continuation */
+ if (!client_start || buf[0]) {
+ do {
+ rc = sasl_client_step (saslconn, buf, len, &interaction, &pc, &olen);
+ if (rc == SASL_INTERACT)
+ mutt_sasl_interact (interaction);
}
while (rc == SASL_INTERACT);
}
client_start = 0;
/* send out response, or line break if none needed */
- if (olen)
- {
- if (sasl_encode64 (pc, olen, buf, sizeof (buf), &olen) != SASL_OK)
- {
- dprint (1, (debugfile, "imap_auth_sasl: error base64-encoding client response.\n"));
- goto bail;
+ if (olen) {
+ if (sasl_encode64 (pc, olen, buf, sizeof (buf), &olen) != SASL_OK) {
+ debug_print (1, ("error base64-encoding client response.\n"));
+ goto bail;
}
-
- /* sasl_client_st(art|ep) allocate pc with malloc, expect me to
- * free it */
-#ifndef USE_SASL2
- FREE (&pc);
-#endif
}
-
- if (irc == IMAP_CMD_RESPOND)
- {
+
+ if (irc == IMAP_CMD_RESPOND) {
strfcpy (buf + olen, "\r\n", sizeof (buf) - olen);
mutt_socket_write (idata->conn, buf);
}
/* If SASL has errored out, send an abort string to the server */
- if (rc < 0)
- {
+ if (rc < 0) {
mutt_socket_write (idata->conn, "*\r\n");
- dprint (1, (debugfile, "imap_auth_sasl: sasl_client_step error %d\n",rc));
+ debug_print (1, ("sasl_client_step error %d\n", rc));
}
+
+ olen = 0;
}
while (irc != IMAP_CMD_OK)
if (rc != SASL_OK)
goto bail;
- if (imap_code (idata->cmd.buf))
- {
+ if (imap_code (idata->cmd.buf)) {
mutt_sasl_setup_conn (idata->conn, saslconn);
return IMAP_AUTH_SUCCESS;
}
- bail:
+bail:
mutt_error _("SASL authentication failed.");
- mutt_sleep(2);
+ mutt_sleep (2);
sasl_dispose (&saslconn);
return IMAP_AUTH_FAILURE;
projects / apps / madmutt.git / blobdiff