1/* client.c --- EXTERNAL mechanism as defined in RFC 2222, client side.
2 * Copyright (C) 2002-2012 Simon Josefsson
3 *
4 * This file is part of GNU SASL Library.
5 *
6 * GNU SASL Library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation; either version 2.1 of
9 * the License, or (at your option) any later version.
10 *
11 * GNU SASL Library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with GNU SASL Library; if not, write to the Free
18 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 *
21 */
22
23#ifdef HAVE_CONFIG_H
24#include "config.h"
25#endif
26
27/* Get specification. */
28#include "external.h"
29
30/* Get strdup, strlen. */
31#include <string.h>
32
33int
34_gsasl_external_client_step (Gsasl_session * sctx,
35 void *mech_data,
36 const char *input, size_t input_len,
37 char **output, size_t * output_len)
38{
39 const char *p;
40
41 p = gsasl_property_get (sctx, GSASL_AUTHZID);
42 if (!p)
43 p = "";
44
45 *output = strdup (p);
46 if (!*output)
47 return GSASL_MALLOC_ERROR;
48 *output_len = strlen (p);
49
50 return GSASL_OK;
51}
52