+/*
+ * 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 "ssh.h"
-#include "auth.h"
-#include "auth-sia.h"
-#include "log.h"
-#include "servconf.h"
-#include "canohost.h"
-
#include <sia.h>
#include <siad.h>
#include <pwd.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;
-extern int errno;
+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
-auth_sia_password(Authctxt *authctxt, char *pass)
+sys_auth_passwd(Authctxt *authctxt, const char *pass)
{
int ret;
SIAENTITY *ent = NULL;
const char *host;
- char *user = authctxt->user;
- host = get_canonical_hostname(options.verify_reverse_mapping);
+ host = get_canonical_hostname(options.use_dns);
- if (!user || !pass || pass[0] == '\0')
- return(0);
+ if (!authctxt->user || pass == NULL || pass[0] == '\0')
+ return (0);
- if (sia_ses_init(&ent, saved_argc, saved_argv, host, user, NULL, 0,
- NULL) != SIASUCCESS)
- 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", user, host);
+ error("Couldn't authenticate %s from %s",
+ authctxt->user, host);
if (ret & SIASTOP)
sia_ses_release(&ent);
- return(0);
+
+ return (0);
}
sia_ses_release(&ent);
- return(1);
+ authctxt->force_pwchange = sia_password_change_required(
+ authctxt->user);
+
+ return (1);
}
void
-session_setup_sia(char *user, char *tty)
+session_setup_sia(struct passwd *pw, char *tty)
{
- int ret;
- struct passwd *pw;
SIAENTITY *ent = NULL;
const char *host;
- host = get_canonical_hostname (options.verify_reverse_mapping);
+ host = get_canonical_hostname(options.use_dns);
- if (sia_ses_init(&ent, saved_argc, saved_argv, host, user, tty, 0,
- NULL) != SIASUCCESS) {
- error("sia_ses_init failed");
- exit(1);
- }
+ if (sia_ses_init(&ent, saved_argc, saved_argv, host, pw->pw_name,
+ tty, 0, NULL) != SIASUCCESS)
+ fatal("sia_ses_init failed");
- if ((pw = getpwnam(user)) == NULL) {
- sia_ses_release(&ent);
- error("getpwnam(%s) failed: %s", user, strerror(errno));
- exit(1);
- }
if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) {
sia_ses_release(&ent);
- error("sia_make_entity_pwd failed");
- exit(1);
+ fatal("sia_make_entity_pwd failed");
}
ent->authtype = SIA_A_NONE;
- if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS) {
- error("couldn't establish session for %s from %s", user,
- host);
- exit(1);
- }
+ if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS)
+ fatal("Couldn't establish session for %s from %s",
+ pw->pw_name, host);
- if (setpriority(PRIO_PROCESS, 0, 0) == -1) {
- sia_ses_release(&ent);
- error("setpriority failed: %s", strerror (errno));
- exit(1);
- }
+ if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS)
+ fatal("Couldn't launch session for %s from %s",
+ pw->pw_name, host);
- if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS) {
- error("couldn't launch session for %s from %s", user, host);
- exit(1);
- }
-
sia_ses_release(&ent);
- if (setreuid(geteuid(), geteuid()) < 0) {
- error("setreuid failed: %s", strerror (errno));
- exit(1);
- }
+ setuid(0);
+ permanently_set_uid(pw);
}
#endif /* HAVE_OSF_SIA */
-
andersk / openssh.git / blobdiff