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-rw-r--r--crypto/openssh/auth-sia.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/crypto/openssh/auth-sia.c b/crypto/openssh/auth-sia.c
index a9e1c25..debf302 100644
--- a/crypto/openssh/auth-sia.c
+++ b/crypto/openssh/auth-sia.c
@@ -34,6 +34,10 @@
#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"
@@ -49,6 +53,52 @@ 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)
{
@@ -76,6 +126,9 @@ sys_auth_passwd(Authctxt *authctxt, const char *pass)
sia_ses_release(&ent);
+ authctxt->force_pwchange = sia_password_change_required(
+ authctxt->user);
+
return (1);
}
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