* grub-core/tests/signature_test.c: New test.

grub-core/tests/signature_test.c

@@ -0,0 +1,170 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2013  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/time.h>
+#include <grub/misc.h>
+#include <grub/dl.h>
+#include <grub/command.h>
+#include <grub/env.h>
+#include <grub/test.h>
+#include <grub/mm.h>
+#include <grub/procfs.h>
+
+#include "signatures.h"
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+static char *
+get_hi_dsa_sig (grub_size_t *sz)
+{
+  char *ret;
+  *sz = sizeof (hi_dsa_sig);
+  ret = grub_malloc (sizeof (hi_dsa_sig));
+  if (ret)
+    grub_memcpy (ret, hi_dsa_sig, sizeof (hi_dsa_sig));
+  return ret;
+}
+
+static struct grub_procfs_entry hi_dsa_sig_entry = 
+{
+  .name = "hi_dsa.sig",
+  .get_contents = get_hi_dsa_sig
+};
+
+static char *
+get_hi_dsa_pub (grub_size_t *sz)
+{
+  char *ret;
+  *sz = sizeof (hi_dsa_pub);
+  ret = grub_malloc (sizeof (hi_dsa_pub));
+  if (ret)
+    grub_memcpy (ret, hi_dsa_pub, sizeof (hi_dsa_pub));
+  return ret;
+}
+
+static struct grub_procfs_entry hi_dsa_pub_entry = 
+{
+  .name = "hi_dsa.pub",
+  .get_contents = get_hi_dsa_pub
+};
+
+static char *
+get_hi_rsa_sig (grub_size_t *sz)
+{
+  char *ret;
+  *sz = sizeof (hi_rsa_sig);
+  ret = grub_malloc (sizeof (hi_rsa_sig));
+  if (ret)
+    grub_memcpy (ret, hi_rsa_sig, sizeof (hi_rsa_sig));
+  return ret;
+}
+
+static struct grub_procfs_entry hi_rsa_sig_entry = 
+{
+  .name = "hi_rsa.sig",
+  .get_contents = get_hi_rsa_sig
+};
+
+static char *
+get_hi_rsa_pub (grub_size_t *sz)
+{
+  char *ret;
+  *sz = sizeof (hi_rsa_pub);
+  ret = grub_malloc (sizeof (hi_rsa_pub));
+  if (ret)
+    grub_memcpy (ret, hi_rsa_pub, sizeof (hi_rsa_pub));
+  return ret;
+}
+
+static struct grub_procfs_entry hi_rsa_pub_entry = 
+{
+  .name = "hi_rsa.pub",
+  .get_contents = get_hi_rsa_pub
+};
+
+static char *
+get_hi (grub_size_t *sz)
+{
+  *sz = 3;
+  return grub_strdup ("hi\n");
+}
+
+struct grub_procfs_entry hi = 
+{
+  .name = "hi",
+  .get_contents = get_hi
+};
+
+static char *
+get_hj (grub_size_t *sz)
+{
+  *sz = 3;
+  return grub_strdup ("hj\n");
+}
+
+struct grub_procfs_entry hj = 
+{
+  .name = "hj",
+  .get_contents = get_hj
+};
+
+static void
+do_verify (const char *f, const char *sig, const char *pub, int is_valid)
+{
+  grub_command_t cmd;
+  char *args[] = { (char *) f, (char *) sig,
+		   (char *) pub, NULL };
+  grub_err_t err;
+
+  cmd = grub_command_find ("verify_detached");
+  if (!cmd)
+    {
+      grub_test_assert (0, "can't find command `%s'", "verify_detached");
+      return;
+    }
+  err = (cmd->func) (cmd, 3, args);
+
+  grub_test_assert (err == (is_valid ? 0 : GRUB_ERR_BAD_SIGNATURE),
+		    "verification failed: %d: %s", grub_errno, grub_errmsg);
+  grub_errno = GRUB_ERR_NONE;
+
+}
+static void
+signature_test (void)
+{
+  grub_procfs_register ("hi", &hi);
+  grub_procfs_register ("hj", &hj);
+  grub_procfs_register ("hi_dsa.pub", &hi_dsa_pub_entry);
+  grub_procfs_register ("hi_dsa.sig", &hi_dsa_sig_entry);
+  grub_procfs_register ("hi_rsa.pub", &hi_rsa_pub_entry);
+  grub_procfs_register ("hi_rsa.sig", &hi_rsa_sig_entry);
+
+  do_verify ("(proc)/hi", "(proc)/hi_dsa.sig", "(proc)/hi_dsa.pub", 1);
+  do_verify ("(proc)/hi", "(proc)/hi_dsa.sig", "(proc)/hi_dsa.pub", 1);
+  do_verify ("(proc)/hj", "(proc)/hi_dsa.sig", "(proc)/hi_dsa.pub", 0);
+
+  do_verify ("(proc)/hi", "(proc)/hi_rsa.sig", "(proc)/hi_rsa.pub", 1);
+  do_verify ("(proc)/hj", "(proc)/hi_rsa.sig", "(proc)/hi_rsa.pub", 0);
+
+  grub_procfs_unregister (&hi);
+  grub_procfs_unregister (&hj);
+  grub_procfs_unregister (&hi_dsa_sig_entry);
+  grub_procfs_unregister (&hi_dsa_pub_entry);
+}
+
+GRUB_FUNCTIONAL_TEST (signature_test, signature_test);