1 files changed, 135 insertions, 0 deletions
diff --git a/xtests/tst-pam_cracklib1.c b/xtests/tst-pam_cracklib1.c
new file mode 100644
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+++ b/xtests/tst-pam_cracklib1.c
@@ -0,0 +1,135 @@
+/*
+ * 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, and the entire permission notice in its entirety,
+ *    including the disclaimer of warranties.
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * ALTERNATIVELY, this product may be distributed under the terms of
+ * the GNU Public License, in which case the provisions of the GPL are
+ * required INSTEAD OF the above restrictions.  (This clause is
+ * necessary due to a potential bad interaction between the GPL and
+ * the restrictions contained in a BSD-style copyright.)
+ *
+ * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <security/pam_appl.h>
+
+/* A conversation function which uses an internally-stored value for
+   the responses. */
+static int
+fake_conv (int num_msg, const struct pam_message **msgm UNUSED,
+	   struct pam_response **response, void *appdata_ptr UNUSED)
+{
+  static int calls = 0;
+  struct pam_response *reply;
+  int count;
+
+  /* Sanity test. */
+  if (num_msg <= 0)
+    return PAM_CONV_ERR;
+
+  /* Allocate memory for the responses. */
+  reply = calloc (num_msg, sizeof (struct pam_response));
+  if (reply == NULL)
+    return PAM_CONV_ERR;
+
+  /* Each prompt elicits the same response. */
+  for (count = 0; count < num_msg; ++count)
+    {
+      reply[count].resp_retcode = 0;
+      /* first call get a password, second one NULL */
+      if (calls)
+	reply[count].resp = NULL;
+      else
+	{
+	  ++calls;
+	  reply[count].resp = strdup ("Kindergarten");
+	}
+    }
+
+  /* Set the pointers in the response structure and return. */
+  *response = reply;
+  return PAM_SUCCESS;
+}
+
+static struct pam_conv conv = {
+    fake_conv,
+    NULL
+};
+
+
+/* Check that pam_cracklib does not seg.fault on empty passwords. */
+
+int
+main(int argc, char *argv[])
+{
+  pam_handle_t *pamh=NULL;
+  const char *user="root";
+  int retval;
+  int debug = 0;
+
+  if (argc > 1 && strcmp (argv[1], "-d") == 0)
+    debug = 1;
+
+  retval = pam_start("tst-pam_cracklib1", user, &conv, &pamh);
+  if (retval != PAM_SUCCESS)
+    {
+      if (debug)
+	fprintf (stderr, "cracklib1: pam_start returned %d\n", retval);
+      return 1;
+    }
+
+  /* Try one, first input is correct, second is NULL */
+  retval = pam_chauthtok (pamh, 0);
+  if (retval != PAM_AUTHTOK_ERR)
+    {
+      if (debug)
+	fprintf (stderr, "cracklib1-1: pam_chauthtok returned %d\n", retval);
+      return 1;
+    }
+
+  /* Try two, second input is NULL */
+  retval = pam_chauthtok (pamh, 0);
+  if (retval != PAM_AUTHTOK_ERR)
+    {
+      if (debug)
+        fprintf (stderr, "cracklib1-2: pam_chauthtok returned %d\n", retval);
+      return 1;
+    }
+
+
+  retval = pam_end (pamh,retval);
+  if (retval != PAM_SUCCESS)
+    {
+      if (debug)
+	fprintf (stderr, "cracklib1: pam_end returned %d\n", retval);
+      return 1;
+    }
+  return 0;
+}