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authorAndrew G. Morgan <morgan@kernel.org>2000-06-20 22:10:38 +0000
committerAndrew G. Morgan <morgan@kernel.org>2000-06-20 22:10:38 +0000
commitea488580c42e8918445a945484de3c8a5addc761 (patch)
treec992f3ba699caafedfadc16af38e6359c3c24698 /modules/pam_rootok/pam_rootok.c
Initial revision
Diffstat (limited to 'modules/pam_rootok/pam_rootok.c')
-rw-r--r--modules/pam_rootok/pam_rootok.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/modules/pam_rootok/pam_rootok.c b/modules/pam_rootok/pam_rootok.c
new file mode 100644
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--- /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 */