Add self-contained test for NSS.

While at it fix interaction between __nss_configure_lookup and nscd.
Otherwise the test fails if nscd is runnung.

1 files changed, 72 insertions, 0 deletions

diff --git a/nss/tst-nss-test1.c b/nss/tst-nss-test1.c
new file mode 100644
index 0000000000..4e443d4539
--- /dev/null
+++ b/nss/tst-nss-test1.c
@@ -0,0 +1,72 @@
+#include <nss.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+static int
+do_test (void)
+{
+  int retval = 0;
+
+  __nss_configure_lookup ("passwd", "test1");
+
+  static const unsigned int pwdids[] = { 100, 30, 200, 60, 20000 };
+#define npwdids (sizeof (pwdids) / sizeof (pwdids[0]))
+  setpwent ();
+
+  const unsigned int *np = pwdids;
+  for (struct passwd *p = getpwent (); p != NULL; ++np, p = getpwent ())
+    if (p->pw_uid != *np || strncmp (p->pw_name, "name", 4) != 0
+	|| atol (p->pw_name + 4) != *np)
+      {
+	printf ("passwd entry %ju wrong (%s, %u)\n",
+		np - pwdids, p->pw_name, p->pw_uid);
+	retval = 1;
+	break;
+      }
+
+  endpwent ();
+
+  for (int i = npwdids - 1; i >= 0; --i)
+    {
+      char buf[30];
+      snprintf (buf, sizeof (buf), "name%u", pwdids[i]);
+
+      struct passwd *p = getpwnam (buf);
+      if (p == NULL || p->pw_uid != pwdids[i] || strcmp (buf, p->pw_name) != 0)
+	{
+	  printf ("passwd entry \"%s\" wrong\n", buf);
+	  retval = 1;
+	}
+
+      p = getpwuid (pwdids[i]);
+      if (p == NULL || p->pw_uid != pwdids[i] || strcmp (buf, p->pw_name) != 0)
+	{
+	  printf ("passwd entry %u wrong\n", pwdids[i]);
+	  retval = 1;
+	}
+
+      snprintf (buf, sizeof (buf), "name%u", pwdids[i] + 1);
+
+      p = getpwnam (buf);
+      if (p != NULL)
+	{
+	  printf ("passwd entry \"%s\" wrong\n", buf);
+	  retval = 1;
+	}
+
+      p = getpwuid (pwdids[i] + 1);
+      if (p != NULL)
+	{
+	  printf ("passwd entry %u wrong\n", pwdids[i] + 1);
+	  retval = 1;
+	}
+    }
+
+  return retval;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"