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/*
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PAM initialization routine for vlock, the VT locking program for linux.
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Copyright (C) 2002, 2005 Dmitry V. Levin <ldv@altlinux.org>
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include <stdio.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <syslog.h>
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#include <security/pam_misc.h>
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#include "pam_auth.h"
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#include "vlock.h"
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#include "kbd_error.h"
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static struct pam_conv conv = {
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&misc_conv,
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NULL
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};
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pam_handle_t *
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init_pam(const char *username, const char *tty, int log)
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{
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pam_handle_t *pamh = 0;
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int rc = pam_start("vlock", username, &conv, &pamh);
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if (rc != PAM_SUCCESS) {
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/* pam_strerror is not available atm. */
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if (log)
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syslog(LOG_WARNING, "pam_start failed: %m");
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else
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kbd_warning(errno, "pam_start");
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return 0;
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}
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rc = pam_set_item(pamh, PAM_TTY, tty);
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if (rc != PAM_SUCCESS) {
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if (log)
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syslog(LOG_WARNING, "pam_set_item: %s",
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pam_strerror(pamh, rc));
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else
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kbd_warning(0, "pam_set_item: %s",
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pam_strerror(pamh, rc));
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pam_end(pamh, rc);
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return 0;
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}
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return pamh;
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}
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