1 files changed, 117 insertions, 0 deletions
diff --git a/contrib/libpam/modules/pam_unix/pam_unix_acct.c b/contrib/libpam/modules/pam_unix/pam_unix_acct.c
new file mode 100644
index 0000000000000..5c0546aa1f8fa
--- /dev/null
+++ b/contrib/libpam/modules/pam_unix/pam_unix_acct.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright Elliot Lee, 1996.  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, and the entire permission notice in its entirety,
+ *    including the disclaimer of warranties.
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ * 
+ * ALTERNATIVELY, this product may be distributed under the terms of
+ * the GNU Public License, in which case the provisions of the GPL are
+ * required INSTEAD OF the above restrictions.  (This clause is
+ * necessary due to a potential bad interaction between the GPL and
+ * the restrictions contained in a BSD-style copyright.)
+ * 
+ * THIS SOFTWARE IS PROVIDED ``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.
+ */
+
+/* pam_unix_acct.c module, different track */
+
+#ifdef linux
+# define _GNU_SOURCE
+# include <features.h>
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#define __USE_MISC
+#include <pwd.h>
+#include <sys/types.h>
+#include <syslog.h>
+#include <unistd.h>
+#ifdef HAVE_SHADOW_H
+#include <shadow.h>
+#endif
+#include <time.h>
+
+#define PAM_SM_ACCOUNT
+
+#ifndef LINUX
+# include <security/pam_appl.h>
+#endif
+
+#define _PAM_EXTERN_FUNCTIONS
+#include <security/pam_modules.h>
+
+PAM_EXTERN
+int pam_sm_acct_mgmt(pam_handle_t *pamh, int flags,
+		     int argc, const char **argv)
+{
+#ifdef HAVE_SHADOW_H
+  const char *uname;
+  int retval;
+  time_t curdays;
+  struct spwd *spent;
+  struct passwd *pwent;
+
+  setpwent();
+  setspent();
+  retval = pam_get_item(pamh,PAM_USER,(const void **)&uname);
+  if(retval != PAM_SUCCESS || uname == NULL) {
+    return PAM_SUCCESS; /* Couldn't get username, just ignore this
+			(i.e. they don't have any expiry info available */
+  }
+  pwent = getpwnam(uname);
+  if(!pwent)
+    return PAM_USER_UNKNOWN;
+  if(strcmp(pwent->pw_passwd,"x"))
+    return PAM_SUCCESS; /* They aren't using shadow passwords & expiry
+			   info */
+  spent = getspnam(uname);
+  if(!spent)
+    return PAM_SUCCESS; /* Couldn't get username from shadow, just ignore this
+			(i.e. they don't have any expiry info available */
+  curdays = time(NULL)/(60*60*24);
+  if((curdays > (spent->sp_lstchg + spent->sp_max + spent->sp_inact))
+	&& (spent->sp_max != -1) && (spent->sp_inact != -1))
+	return PAM_ACCT_EXPIRED;
+  if((curdays > spent->sp_expire) && (spent->sp_expire != -1))
+	return PAM_ACCT_EXPIRED;
+  endspent();
+  endpwent();
+#endif
+    return PAM_SUCCESS;
+}
+
+
+/* static module data */
+#ifdef PAM_STATIC
+struct pam_module _pam_unix_acct_modstruct = {
+    "pam_unix_acct",
+    NULL,
+    NULL,
+    pam_sm_acct_mgmt,
+    NULL,
+    NULL,
+    NULL,
+};
+#endif