Extend NSS test suite

* nss/nss_test.h: New.
* nss/nss_test1.h: Rewrite to use test-provided data.  Add group
tests.  Parameterize to allow multiple instances.
* nss/nss_test2.h: New.  Second instance.
* nss/nss_test.ver: New.
* nss/nss_test1.c: Update to use new framework.
* nss/nss_test2.c: New.
* nss/nss_test3.c: New.
* nss/nss_test4.c: New.
* nss/nss_test5.c: New.
* nss/Makefile: Build new tests.
* shlib-versions: Add libnss_test2.

1 files changed, 136 insertions, 0 deletions

diff --git a/nss/tst-nss-test2.c b/nss/tst-nss-test2.c
new file mode 100644
index 0000000000..11c2edf118
--- /dev/null
+++ b/nss/tst-nss-test2.c
@@ -0,0 +1,136 @@
+/* Basic test for two passwd databases.
+   Copyright (C) 2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <nss.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "nss_test.h"
+
+/* The data in these tables is arbitrary, but the merged data based on
+   the first two tables will be compared against the expected data in
+   the pwd_expected table, and the tests[] array.  */
+
+static struct passwd pwd_table_1[] = {
+    PWD (100),
+    PWD (30),
+    PWD (200),
+    PWD (60),
+    PWD (20000),
+    PWD_LAST ()
+  };
+
+static struct passwd pwd_table_2[] = {
+    PWD (5),
+    PWD_N(200, "name30"),
+    PWD (16),
+    PWD_LAST ()
+  };
+
+void
+_nss_test1_init_hook(test_tables *t)
+{
+  t->pwd_table = pwd_table_1;
+}
+
+void
+_nss_test2_init_hook(test_tables *t)
+{
+  t->pwd_table = pwd_table_2;
+}
+
+static struct passwd pwd_expected[] = {
+  PWD(100),
+  PWD(30),
+  PWD(200),
+  PWD(60),
+  PWD(20000),
+  PWD(5),
+  PWD_N(200, "name30"),
+  PWD(16),
+  PWD_LAST ()
+};
+
+static struct {
+  uid_t uid;
+  const char *name;
+} tests[] = {
+  { 100, "name100" }, /* control, first db */
+  {  16, "name16"  }, /* second db */
+  {  30, "name30"  }, /* test overlaps in name */
+  { 200, "name200" }, /* test overlaps uid */
+  { 0, NULL }
+};
+
+static int
+do_test (void)
+{
+  int retval = 0;
+  int i;
+
+  __nss_configure_lookup ("passwd", "test1 test2");
+
+  setpwent ();
+
+  i = 0;
+  for (struct passwd *p = getpwent (); p != NULL; ++i, p = getpwent ())
+    {
+      retval += compare_passwds (i, & pwd_expected[i], p);
+
+      if (p->pw_uid != pwd_expected[i].pw_uid || strcmp (p->pw_name, pwd_expected[i].pw_name) != 0)
+      {
+	printf ("FAIL: getpwent for %u.%s returned %u.%s\n",
+		pwd_expected[i].pw_uid, pwd_expected[i].pw_name,
+		p->pw_uid, p->pw_name);
+	retval = 1;
+	break;
+      }
+    }
+
+  endpwent ();
+
+  for (i=0; tests[i].name; i++)
+    {
+      struct passwd *p = getpwnam (tests[i].name);
+      if (strcmp (p->pw_name, tests[i].name) != 0
+	  || p->pw_uid != tests[i].uid)
+	{
+	  printf("FAIL: getpwnam for %u.%s returned %u.%s\n",
+		 tests[i].uid, tests[i].name,
+		 p->pw_uid, p->pw_name);
+	  retval = 1;
+	}
+
+      p = getpwuid (tests[i].uid);
+      if (strcmp (p->pw_name, tests[i].name) != 0
+	  || p->pw_uid != tests[i].uid)
+	{
+	  printf("FAIL: getpwuid for %u.%s returned %u.%s\n",
+		 tests[i].uid, tests[i].name,
+		 p->pw_uid, p->pw_name);
+	  retval = 1;
+	}
+    }
+
+  return retval;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"