1 files changed, 133 insertions, 0 deletions
diff --git a/tests/object-id-encoding.c b/tests/object-id-encoding.c
new file mode 100644
index 0000000..1a33969
--- /dev/null
+++ b/tests/object-id-encoding.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2019 Nikos Mavrogiannopoulos
+ *
+ * This file is part of LIBTASN1.
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "libtasn1.h"
+
+struct tv
+{
+  int der_len;
+  const unsigned char *der;
+  const char *oid;
+  int expected_error;
+};
+
+static const struct tv tv[] = {
+  {.der_len = 0,
+   .der = (void *) "",
+   .oid = "5.999.3",
+   .expected_error = ASN1_VALUE_NOT_VALID	/* cannot start with 5 */
+   },
+  {.der_len = 0,
+   .der = (void *) "",
+   .oid = "0.48.9",
+   .expected_error = ASN1_VALUE_NOT_VALID	/* second field cannot be 48 */
+   },
+  {.der_len = 0,
+   .der = (void *) "",
+   .oid = "1.40.9",
+   .expected_error = ASN1_VALUE_NOT_VALID	/* second field cannot be 40 */
+   },
+  {.der_len = 4,
+   .der = (void *) "\x06\x02\x4f\x63",
+   .oid = "1.39.99",
+   .expected_error = ASN1_SUCCESS,
+   },
+  {.der_len = 6,
+   .der = (void *) "\x06\x04\x01\x02\x03\x04",
+   .oid = "0.1.2.3.4",
+   .expected_error = ASN1_SUCCESS},
+  {.der_len = 5,
+   .der = (void *) "\x06\x03\x51\x02\x03",
+   .oid = "2.1.2.3",
+   .expected_error = ASN1_SUCCESS},
+  {.der_len = 5,
+   .der = (void *) "\x06\x03\x88\x37\x03",
+   .oid = "2.999.3",
+   .expected_error = ASN1_SUCCESS},
+  {.der_len = 12,
+   .der = (void *) "\x06\x0a\x2b\x06\x01\x04\x01\x92\x08\x09\x05\x01",
+   .oid = "1.3.6.1.4.1.2312.9.5.1",
+   .expected_error = ASN1_SUCCESS},
+  {.der_len = 19,
+   .der =
+   (void *)
+   "\x06\x11\xfa\x80\x00\x00\x00\x0e\x01\x0e\xfa\x80\x00\x00\x00\x0e\x63\x6f\x6d",
+   .oid = "2.1998768.0.0.14.1.14.1998848.0.0.14.99.111.109",
+   .expected_error = ASN1_SUCCESS},
+  {.der_len = 19,
+   .der =
+   (void *)
+   "\x06\x11\x2b\x06\x01\x04\x01\x92\x08\x09\x02\xaa\xda\xbe\xbe\xfa\x72\x01\x07",
+   .oid = "1.3.6.1.4.1.2312.9.2.1467399257458.1.7",
+   .expected_error = ASN1_SUCCESS},
+};
+
+int
+main (int argc, char *argv[])
+{
+  unsigned char der[128];
+  int ret, der_len, i, j;
+
+  for (i = 0; i < (int) (sizeof (tv) / sizeof (tv[0])); i++)
+    {
+      der_len = sizeof (der);
+      ret = asn1_object_id_der (tv[i].oid, der, &der_len, 0);
+      if (ret != ASN1_SUCCESS)
+	{
+	  if (ret == tv[i].expected_error)
+	    continue;
+	  fprintf (stderr,
+		   "%d: iter %lu, encoding of OID failed: %s\n",
+		   __LINE__, (unsigned long) i, asn1_strerror (ret));
+	  return 1;
+	}
+      else if (ret != tv[i].expected_error)
+	{
+	  fprintf (stderr,
+		   "%d: iter %lu, encoding of OID %s succeeded when expecting failure\n",
+		   __LINE__, (unsigned long) i, tv[i].oid);
+	  return 1;
+	}
+
+      if (der_len != tv[i].der_len || memcmp (der, tv[i].der, der_len) != 0)
+	{
+	  fprintf (stderr,
+		   "%d: iter %lu, re-encoding of OID %s resulted to different string (%d vs %d bytes)\n",
+		   __LINE__, (unsigned long) i, tv[i].oid, der_len,
+		   tv[i].der_len);
+	  fprintf (stderr, "\nGot:\t\t");
+	  for (j = 0; j < der_len; j++)
+	    fprintf (stderr, "%.2x", der[j]);
+
+	  fprintf (stderr, "\nExpected:\t");
+	  for (j = 0; j < tv[i].der_len; j++)
+	    fprintf (stderr, "%.2x", tv[i].der[j]);
+	  fprintf (stderr, "\n");
+
+	  return 1;
+	}
+    }
+
+  return 0;
+}