From ea488580c42e8918445a945484de3c8a5addc761 Mon Sep 17 00:00:00 2001
From: "Andrew G. Morgan" <morgan@kernel.org>
Date: Tue, 20 Jun 2000 22:10:38 +0000
Subject: Initial revision

---
 modules/pam_rootok/pam_rootok.c | 109 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 modules/pam_rootok/pam_rootok.c

(limited to 'modules/pam_rootok/pam_rootok.c')

diff --git a/modules/pam_rootok/pam_rootok.c b/modules/pam_rootok/pam_rootok.c
new file mode 100644
index 00000000..a275e6eb
--- /dev/null
+++ b/modules/pam_rootok/pam_rootok.c
@@ -0,0 +1,109 @@
+/* pam_rootok module */
+
+/*
+ * $Id$
+ *
+ * Written by Andrew Morgan <morgan@linux.kernel.org> 1996/3/11
+ */
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <unistd.h>
+#include <syslog.h>
+#include <stdarg.h>
+
+/*
+ * here, we make a definition for the externally accessible function
+ * in this file (this definition is required for static a module
+ * but strongly encouraged generally) it is used to instruct the
+ * modules include file to define the function prototypes.
+ */
+
+#define PAM_SM_AUTH
+
+#include <security/pam_modules.h>
+
+/* some syslogging */
+
+static void _pam_log(int err, const char *format, ...)
+{
+    va_list args;
+
+    va_start(args, format);
+    openlog("PAM-rootok", LOG_CONS|LOG_PID, LOG_AUTH);
+    vsyslog(err, format, args);
+    va_end(args);
+    closelog();
+}
+
+
+/* argument parsing */
+
+#define PAM_DEBUG_ARG       01
+
+static int _pam_parse(int argc, const char **argv)
+{
+    int ctrl=0;
+
+    /* step through arguments */
+    for (ctrl=0; argc-- > 0; ++argv) {
+
+	/* generic options */
+
+	if (!strcmp(*argv,"debug"))
+	    ctrl |= PAM_DEBUG_ARG;
+	else {
+	    _pam_log(LOG_ERR,"pam_parse: unknown option; %s",*argv);
+	}
+    }
+
+    return ctrl;
+}
+
+/* --- authentication management functions (only) --- */
+
+PAM_EXTERN
+int pam_sm_authenticate(pam_handle_t *pamh,int flags,int argc
+			,const char **argv)
+{
+    int ctrl;
+    int retval = PAM_AUTH_ERR;
+
+    ctrl = _pam_parse(argc, argv);
+    if (getuid() == 0)
+	retval = PAM_SUCCESS;
+
+    if (ctrl & PAM_DEBUG_ARG) {
+	_pam_log(LOG_DEBUG, "authetication %s"
+		 , retval==PAM_SUCCESS ? "succeeded":"failed" );
+    }
+
+    return retval;
+}
+
+PAM_EXTERN
+int pam_sm_setcred(pam_handle_t *pamh,int flags,int argc
+		   ,const char **argv)
+{
+    return PAM_SUCCESS;
+}
+
+
+#ifdef PAM_STATIC
+
+/* static module data */
+
+struct pam_module _pam_rootok_modstruct = {
+    "pam_rootok",
+    pam_sm_authenticate,
+    pam_sm_setcred,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+};
+
+#endif
+
+/* end of module definition */
-- 
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