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/*
* Copyright (c) 2002 Chris Adams. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "includes.h"
#ifdef HAVE_OSF_SIA
#include <sia.h>
#include <siad.h>
#include <pwd.h>
#include <signal.h>
#include <setjmp.h>
#include <sys/resource.h>
#include <unistd.h>
#include <stdarg.h>
#include <string.h>
#include <sys/types.h>
#include <sys/security.h>
#include <prot.h>
#include <time.h>
#include "ssh.h"
#include "key.h"
#include "hostfile.h"
#include "auth.h"
#include "auth-sia.h"
#include "log.h"
#include "servconf.h"
#include "canohost.h"
#include "uidswap.h"
extern ServerOptions options;
extern int saved_argc;
extern char **saved_argv;
static int
sia_password_change_required(const char *user)
{
struct es_passwd *acct;
time_t pw_life;
time_t pw_date;
set_auth_parameters(saved_argc, saved_argv);
if ((acct = getespwnam(user)) == NULL) {
error("Couldn't access protected database entry for %s", user);
endprpwent();
return (0);
}
/* If forced password change flag is set, honor it */
if (acct->uflg->fg_psw_chg_reqd && acct->ufld->fd_psw_chg_reqd) {
endprpwent();
return (1);
}
/* Obtain password lifetime; if none, it can't have expired */
if (acct->uflg->fg_expire)
pw_life = acct->ufld->fd_expire;
else if (acct->sflg->fg_expire)
pw_life = acct->sfld->fd_expire;
else {
endprpwent();
return (0);
}
/* Offset from last change; if none, it must be expired */
if (acct->uflg->fg_schange)
pw_date = acct->ufld->fd_schange + pw_life;
else {
endprpwent();
return (1);
}
endprpwent();
/* If expiration date is prior to now, change password */
return (pw_date <= time((time_t *) NULL));
}
int
sys_auth_passwd(Authctxt *authctxt, const char *pass)
{
int ret;
SIAENTITY *ent = NULL;
const char *host;
host = get_canonical_hostname(options.use_dns);
if (!authctxt->user || pass == NULL || pass[0] == '\0')
return (0);
if (sia_ses_init(&ent, saved_argc, saved_argv, host, authctxt->user,
NULL, 0, NULL) != SIASUCCESS)
return (0);
if ((ret = sia_ses_authent(NULL, pass, ent)) != SIASUCCESS) {
error("Couldn't authenticate %s from %s",
authctxt->user, host);
if (ret & SIASTOP)
sia_ses_release(&ent);
return (0);
}
sia_ses_release(&ent);
authctxt->force_pwchange = sia_password_change_required(
authctxt->user);
return (1);
}
void
session_setup_sia(struct passwd *pw, char *tty)
{
SIAENTITY *ent = NULL;
const char *host;
host = get_canonical_hostname(options.use_dns);
if (sia_ses_init(&ent, saved_argc, saved_argv, host, pw->pw_name,
tty, 0, NULL) != SIASUCCESS)
fatal("sia_ses_init failed");
if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) {
sia_ses_release(&ent);
fatal("sia_make_entity_pwd failed");
}
ent->authtype = SIA_A_NONE;
if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS)
fatal("Couldn't establish session for %s from %s",
pw->pw_name, host);
if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS)
fatal("Couldn't launch session for %s from %s",
pw->pw_name, host);
sia_ses_release(&ent);
setuid(0);
permanently_set_uid(pw);
}
#endif /* HAVE_OSF_SIA */
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