1 files changed, 115 insertions, 0 deletions
diff --git a/liblastlog2/src/tests/tst_pam_lastlog2_output.c b/liblastlog2/src/tests/tst_pam_lastlog2_output.c
new file mode 100644
index 0000000..1fd1eec
--- /dev/null
+++ b/liblastlog2/src/tests/tst_pam_lastlog2_output.c
@@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: BSD-2-Clause
+
+  Copyright (c) 2023, Thorsten Kukuk <kukuk@suse.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+  1. Redistributions of source code must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+  POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/* Test case:
+   Store defined data into the database, read it, create the time
+   string like pam_lastlog2 does, compare the result.
+*/
+
+#include <time.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "lastlog2P.h"
+
+const char *expected = "Last login: Mon Mar 13 07:13:41 UTC 2023 from 192.168.122.1 on pts/0";
+const time_t login_time = 1678691621;
+int
+main(void)
+{
+	const char *user = "root";
+	struct ll2_context *context = ll2_new_context("pam_lastlog2-output.db");
+	int64_t ll_time = 0;
+	char *tty = NULL;
+	char *rhost = NULL;
+	char *date = NULL;
+	char the_time[256];
+	char *error = NULL;
+	char *output = NULL;
+
+	if (ll2_write_entry (context, user, login_time, "pts/0",
+		       "192.168.122.1", NULL, &error) != 0) {
+		if (error) {
+			fprintf (stderr, "%s\n", error);
+			free (error);
+		} else
+			fprintf (stderr, "ll2_write_entry failed\n");
+		ll2_unref_context(context);
+		return 1;
+	}
+
+	if (ll2_read_entry (context, user, &ll_time, &tty, &rhost,
+			    NULL, &error) != 0) {
+		if (error) {
+			fprintf (stderr, "%s\n", error);
+			free (error);
+		} else
+			fprintf (stderr, "Unknown error reading database %s", context ? context->lastlog2_path : "NULL");
+		ll2_unref_context(context);
+		return 1;
+	}
+
+	if (ll_time) {
+		struct tm *tm, tm_buf;
+		/* this is necessary if you compile this on architectures with
+		   a 32bit time_t type. */
+		time_t t_time = ll_time;
+
+		if ((tm = localtime_r (&t_time, &tm_buf)) != NULL) {
+			strftime (the_time, sizeof (the_time),
+				  " %a %b %e %H:%M:%S %Z %Y", tm);
+			date = the_time;
+		}
+	}
+
+	if (asprintf (&output, "Last login:%s%s%s%s%s",
+		      date ? date : "",
+		      rhost ? " from " : "",
+		      rhost ? rhost : "",
+		      tty ? " on " : "",
+		      tty ? tty : "") < 0) {
+		fprintf (stderr, "Out of memory!\n");
+		ll2_unref_context(context);
+		return 1;
+	}
+
+	if (strcmp (output, expected) != 0) {
+		fprintf (stderr, "Output '%s'\n does not match '%s'\n",
+			 output, expected);
+		ll2_unref_context(context);
+		return 1;
+	}
+
+	ll2_unref_context(context);
+	free (output);
+	free (tty);
+	free (rhost);
+
+	return 0;
+}