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

---
 libpam/pam_end.c | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 libpam/pam_end.c

(limited to 'libpam/pam_end.c')

diff --git a/libpam/pam_end.c b/libpam/pam_end.c
new file mode 100644
index 00000000..b389038f
--- /dev/null
+++ b/libpam/pam_end.c
@@ -0,0 +1,72 @@
+/* pam_end.c */
+
+/*
+ * $Id$
+ */
+
+#include <stdlib.h>
+
+#include "pam_private.h"
+
+int pam_end(pam_handle_t *pamh, int pam_status)
+{
+    int ret;
+
+    IF_NO_PAMH("pam_end", pamh, PAM_SYSTEM_ERR);
+
+    D(("entering pam_end()"));
+
+    /* first liberate the modules (it is not inconcevible that the
+       modules may need to use the service_name etc. to clean up) */
+
+    _pam_free_data(pamh, pam_status);
+
+    /* now drop all modules */
+
+    if ((ret = _pam_free_handlers(pamh)) != PAM_SUCCESS) {
+	return ret;                 /* error occurred */
+    }
+
+    /* from this point we cannot call the modules any more. Free the remaining
+       memory used by the Linux-PAM interface */
+
+    _pam_drop_env(pamh);                      /* purge the environment */
+
+    _pam_overwrite(pamh->authtok);            /* blank out old token */
+    _pam_drop(pamh->authtok);
+
+    _pam_overwrite(pamh->oldauthtok);         /* blank out old token */
+    _pam_drop(pamh->oldauthtok);
+
+    _pam_overwrite(pamh->former.prompt);
+    _pam_drop(pamh->former.prompt);           /* drop saved prompt */
+
+    _pam_overwrite(pamh->service_name);
+    _pam_drop(pamh->service_name);
+
+    _pam_overwrite(pamh->user);
+    _pam_drop(pamh->user);
+
+    _pam_overwrite(pamh->prompt);
+    _pam_drop(pamh->prompt);                  /* prompt for pam_get_user() */
+
+    _pam_overwrite(pamh->tty);
+    _pam_drop(pamh->tty);
+
+    _pam_overwrite(pamh->rhost);
+    _pam_drop(pamh->rhost);
+
+    _pam_overwrite(pamh->ruser);
+    _pam_drop(pamh->ruser);
+
+    _pam_drop(pamh->pam_conversation);
+    pamh->fail_delay.delay_fn_ptr = NULL;
+
+    /* and finally liberate the memory for the pam_handle structure */
+
+    _pam_drop(pamh);
+
+    D(("exiting pam_end() successfully"));
+
+    return PAM_SUCCESS;
+}
-- 
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