From ea04efa24985743014da9dd22c0581cbaef82ede Mon Sep 17 00:00:00 2001
From: Steve Langasek <vorlon@debian.org>
Date: Sun, 27 Dec 2020 22:05:13 -0800
Subject: Import pam_1.4.0.orig.tar.xz

[dgit import orig pam_1.4.0.orig.tar.xz]
---
 modules/pam_debug/pam_debug.c | 108 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 modules/pam_debug/pam_debug.c

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

diff --git a/modules/pam_debug/pam_debug.c b/modules/pam_debug/pam_debug.c
new file mode 100644
index 00000000..414806b2
--- /dev/null
+++ b/modules/pam_debug/pam_debug.c
@@ -0,0 +1,108 @@
+/*
+ * pam_debug module
+ *
+ * Written by Andrew Morgan <morgan@kernel.org> 2001/02/04
+ *
+ * This module is intended as a debugging aide for determining how
+ * the PAM stack is operating.
+ */
+
+#include "config.h"
+#include <stdio.h>
+
+#include <security/pam_modules.h>
+#include <security/_pam_macros.h>
+#include <security/pam_ext.h>
+
+#define _PAM_ACTION_UNDEF (-10)
+#include "../../libpam/pam_tokens.h"
+
+#define DEFAULT_USER "nobody"
+
+/* --- authentication management functions --- */
+
+static int state(pam_handle_t *pamh, const char *text)
+{
+    int retval;
+
+    retval = pam_info (pamh, "%s", text);
+
+    if (retval != PAM_SUCCESS) {
+	D(("pam_info failed"));
+    }
+
+    return retval;
+}
+
+static int parse_args(int retval, const char *event,
+		      pam_handle_t *pamh, int argc, const char **argv)
+{
+    int i;
+
+    for (i=0; i<argc; ++i) {
+	int length = strlen(event);
+	if (!strncmp(event, argv[i], length) && (argv[i][length] == '=')) {
+	    int j;
+	    const char *return_string = argv[i] + (length+1);
+
+	    for (j=0; j<_PAM_RETURN_VALUES; ++j) {
+		if (!strcmp(return_string, _pam_token_returns[j])) {
+		    retval = j;
+		    state(pamh, argv[i]);
+		    break;
+		}
+	    }
+	    break;
+	}
+    }
+
+    return retval;
+}
+
+int pam_sm_authenticate(pam_handle_t *pamh, int flags UNUSED,
+			int argc, const char **argv)
+{
+    return parse_args(PAM_SUCCESS, "auth", pamh, argc, argv);
+}
+
+int pam_sm_setcred(pam_handle_t *pamh, int flags UNUSED,
+		   int argc, const char **argv)
+{
+    return parse_args(PAM_SUCCESS, "cred", pamh, argc, argv);
+}
+
+/* --- account management functions --- */
+
+int pam_sm_acct_mgmt(pam_handle_t *pamh, int flags UNUSED,
+		     int argc, const char **argv)
+{
+    return parse_args(PAM_SUCCESS, "acct", pamh, argc, argv);
+}
+
+/* --- password management --- */
+
+int pam_sm_chauthtok(pam_handle_t *pamh, int flags UNUSED,
+		     int argc, const char **argv)
+{
+    if (flags & PAM_PRELIM_CHECK) {
+	return parse_args(PAM_SUCCESS, "prechauthtok", pamh, argc, argv);
+    } else {
+	return parse_args(PAM_SUCCESS, "chauthtok", pamh, argc, argv);
+    }
+}
+
+/* --- session management --- */
+
+int pam_sm_open_session(pam_handle_t *pamh, int flags UNUSED,
+			int argc, const char **argv)
+{
+    return parse_args(PAM_SUCCESS, "open_session", pamh, argc, argv);
+}
+
+int pam_sm_close_session(pam_handle_t *pamh, int flags UNUSED,
+			 int argc, const char **argv)
+{
+    return parse_args(PAM_SUCCESS, "close_session", pamh, argc, argv);
+}
+
+/* end of module definition */
-- 
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