tests: added unit tests for asn1_get_object_id_der()

2 files changed, 91 insertions, 2 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index eea4eda..379525e 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -54,13 +54,13 @@ MOSTLYCLEANFILES = Test_parser_ERROR.asn
 check_PROGRAMS = Test_parser Test_tree Test_encoding Test_indefinite \
 	Test_errors Test_simple Test_overflow Test_strings Test_choice \
 	Test_encdec copynode coding-decoding2 strict-der Test_choice_ocsp \
-	ocsp-basic-response octet-string coding-long-oid
+	ocsp-basic-response octet-string coding-long-oid object-id-decoding
 
 TESTS = Test_parser Test_tree Test_encoding Test_indefinite	\
 	Test_errors Test_simple Test_overflow crlf threadsafety \
 	Test_strings Test_choice Test_encdec copynode coding-decoding2 \
 	strict-der Test_choice_ocsp decoding decoding-invalid-x509 \
-	ocsp-basic-response octet-string coding-long-oid
+	ocsp-basic-response octet-string coding-long-oid object-id-decoding
 
 TESTS_ENVIRONMENT = \
 	ASN1PARSER=$(srcdir)/Test_parser.asn \
diff --git a/tests/object-id-decoding.c b/tests/object-id-decoding.c
new file mode 100644
index 0000000..e3e9669
--- /dev/null
+++ b/tests/object-id-decoding.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2016 Red Hat, Inc.
+ *
+ * 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_str;
+  const char *oid;
+  int expected_error;
+};
+
+static const struct tv tv[] = {
+  {.der_len = 12,
+   .der_str = (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_str =
+   (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[])
+{
+  char str[128];
+  int ret, ret_len;
+  size_t i;
+
+  for (i = 0; i < sizeof (tv) / sizeof (tv[0]); i++)
+    {
+      /* decode */
+      ret =
+	asn1_get_object_id_der (tv[i].der_str+1,
+				tv[i].der_len-1, &ret_len, str,
+				sizeof (str));
+      if (ret != tv[i].expected_error)
+	{
+	  fprintf (stderr,
+		   "%d: asn1_get_object_id_der iter %lu: got %d expected %d\n",
+		   __LINE__, (unsigned long) i, ret, tv[i].expected_error);
+	  return 1;
+	}
+
+      if (ret_len != tv[i].der_len-1)
+	{
+	  fprintf (stderr,
+		   "%d: iter %lu: error in DER, length returned is %d, had %d\n",
+		   __LINE__, (unsigned long)i, ret_len, tv[i].der_len-1);
+	  return 1;
+	}
+
+      if (strcmp (tv[i].oid, str) != 0)
+	{
+	  fprintf (stderr,
+		   "%d: strcmp iter %lu: got invalid OID: %s, expected: %s\n",
+		   __LINE__, (unsigned long) i, str, tv[i].oid);
+	  return 1;
+	}
+
+    }
+
+  return 0;
+}