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/* client.c --- Non-standard SASL mechanism LOGIN, client side.
* Copyright (C) 2002-2025 Simon Josefsson
*
* This file is part of GNU SASL Library.
*
* GNU SASL Library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* GNU SASL Library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with GNU SASL Library; if not, see
* <https://www.gnu.org/licenses/>.
*
*/
#include <config.h>
/* Get malloc, free. */
#include <stdlib.h>
/* Get strlen. */
#include <string.h>
/* Get specification. */
#include "login.h"
struct _Gsasl_login_client_state
{
int step;
};
int
_gsasl_login_client_start (Gsasl_session *sctx _GL_UNUSED, void **mech_data)
{
struct _Gsasl_login_client_state *state;
state = malloc (sizeof (*state));
if (state == NULL)
return GSASL_MALLOC_ERROR;
state->step = 0;
*mech_data = state;
return GSASL_OK;
}
int
_gsasl_login_client_step (Gsasl_session *sctx _GL_UNUSED,
void *mech_data,
const char *input _GL_UNUSED,
size_t input_len _GL_UNUSED,
char **output, size_t *output_len)
{
struct _Gsasl_login_client_state *state = mech_data;
const char *p;
int res;
switch (state->step)
{
case 0:
p = gsasl_property_get (sctx, GSASL_AUTHID);
if (!p)
return GSASL_NO_AUTHID;
*output = strdup (p);
*output_len = strlen (p);
state->step++;
res = GSASL_NEEDS_MORE;
break;
case 1:
p = gsasl_property_get (sctx, GSASL_PASSWORD);
if (!p)
return GSASL_NO_PASSWORD;
*output = strdup (p);
if (!*output)
return GSASL_MALLOC_ERROR;
*output_len = strlen (*output);
state->step++;
res = GSASL_OK;
break;
default:
res = GSASL_MECHANISM_CALLED_TOO_MANY_TIMES;
break;
}
return res;
}
void
_gsasl_login_client_finish (Gsasl_session *sctx _GL_UNUSED, void *mech_data)
{
struct _Gsasl_login_client_state *state = mech_data;
if (!state)
return;
free (state);
}
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