summaryrefslogtreecommitdiffstats
path: root/lib/failure.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/failure.h')
-rw-r--r--lib/failure.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/lib/failure.h b/lib/failure.h
new file mode 100644
index 0000000..1352b68
--- /dev/null
+++ b/lib/failure.h
@@ -0,0 +1,44 @@
+/*
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1997 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 2005 , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2008 - 2009, Nicolas François
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/* $Id$ */
+#ifndef _FAILURE_H_
+#define _FAILURE_H_
+
+#include "defines.h"
+#include "faillog.h"
+
+/*
+ * failure - make failure entry
+ *
+ * failure() creates a new (struct faillog) entry or updates an
+ * existing one with the current failed login information.
+ */
+extern void failure (uid_t, const char *, struct faillog *);
+
+/*
+ * failcheck - check for failures > allowable
+ *
+ * failcheck() is called AFTER the password has been validated. If the
+ * account has been "attacked" with too many login failures, failcheck()
+ * returns FALSE to indicate that the login should be denied even though
+ * the password is valid.
+ */
+extern int failcheck (uid_t uid, struct faillog *fl, bool failed);
+
+/*
+ * failprint - print line of failure information
+ *
+ * failprint takes a (struct faillog) entry and formats it into a
+ * message which is displayed at login time.
+ */
+extern void failprint (const struct faillog *);
+
+#endif
+