99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
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/*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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xrdp: A Remote Desktop Protocol server.
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Copyright (C) Jay Sorg 2005
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authenticate user
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*/
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#include "arch.h"
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#include "os_calls.h"
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#include <security/pam_appl.h>
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struct t_user_pass
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{
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char* user;
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char* pass;
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};
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/******************************************************************************/
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static int DEFAULT_CC
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verify_pam_conv(int num_msg, const struct pam_message** msg,
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struct pam_response** resp, void* appdata_ptr)
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{
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int i;
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struct pam_response* reply;
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struct t_user_pass* user_pass;
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reply = g_malloc(sizeof(struct pam_response) * num_msg, 1);
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for (i = 0; i < num_msg; i++)
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{
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switch (msg[i]->msg_style)
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{
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case PAM_PROMPT_ECHO_ON: /* username */
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user_pass = appdata_ptr;
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reply[i].resp = g_strdup(user_pass->user);
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reply[i].resp_retcode = PAM_SUCCESS;
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break;
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case PAM_PROMPT_ECHO_OFF: /* password */
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user_pass = appdata_ptr;
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reply[i].resp = g_strdup(user_pass->pass);
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reply[i].resp_retcode = PAM_SUCCESS;
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break;
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default:
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g_printf("unknown in verify_pam_conv\n\r");
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g_free(reply);
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return PAM_CONV_ERR;
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}
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}
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*resp = reply;
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return PAM_SUCCESS;
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}
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/******************************************************************************/
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/* returns boolean */
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int DEFAULT_CC
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auth_userpass(char* user, char* pass)
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{
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int error;
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int null_tok;
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struct t_user_pass user_pass;
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struct pam_conv pamc;
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pam_handle_t* ph;
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user_pass.user = user;
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user_pass.pass = pass;
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pamc.conv = &verify_pam_conv;
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pamc.appdata_ptr = &user_pass;
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error = pam_start("gdm", 0, &pamc, &ph);
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if (error != PAM_SUCCESS)
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{
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g_printf("pam_start failed\n\r");
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return 0;
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}
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null_tok = 0;
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error = pam_authenticate(ph, null_tok);
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if (error != PAM_SUCCESS)
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{
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pam_end(ph, PAM_SUCCESS);
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return 0;
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}
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pam_end(ph, PAM_SUCCESS);
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return 1;
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}
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