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/*
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., 675 Mass Ave, Cambridge, MA 02139, USA.
xrdp: A Remote Desktop Protocol server.
Copyright (C) Jay Sorg 2005
authenticate user
*/
#include "arch.h"
#include "os_calls.h"
#include <security/pam_appl.h>
struct t_user_pass
{
char* user;
char* pass;
};
/******************************************************************************/
static int DEFAULT_CC
verify_pam_conv(int num_msg, const struct pam_message** msg,
struct pam_response** resp, void* appdata_ptr)
{
int i;
struct pam_response* reply;
struct t_user_pass* user_pass;
reply = g_malloc(sizeof(struct pam_response) * num_msg, 1);
for (i = 0; i < num_msg; i++)
{
switch (msg[i]->msg_style)
{
case PAM_PROMPT_ECHO_ON: /* username */
user_pass = appdata_ptr;
reply[i].resp = g_strdup(user_pass->user);
reply[i].resp_retcode = PAM_SUCCESS;
break;
case PAM_PROMPT_ECHO_OFF: /* password */
user_pass = appdata_ptr;
reply[i].resp = g_strdup(user_pass->pass);
reply[i].resp_retcode = PAM_SUCCESS;
break;
default:
g_printf("unknown in verify_pam_conv\n\r");
g_free(reply);
return PAM_CONV_ERR;
}
}
*resp = reply;
return PAM_SUCCESS;
}
/******************************************************************************/
/* returns boolean */
int DEFAULT_CC
auth_userpass(char* user, char* pass)
{
int error;
int null_tok;
struct t_user_pass user_pass;
struct pam_conv pamc;
pam_handle_t* ph;
user_pass.user = user;
user_pass.pass = pass;
pamc.conv = &verify_pam_conv;
pamc.appdata_ptr = &user_pass;
error = pam_start("gdm", 0, &pamc, &ph);
if (error != PAM_SUCCESS)
{
g_printf("pam_start failed\n\r");
return 0;
}
null_tok = 0;
error = pam_authenticate(ph, null_tok);
if (error != PAM_SUCCESS)
{
pam_end(ph, PAM_SUCCESS);
return 0;
}
pam_end(ph, PAM_SUCCESS);
return 1;
}
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