Added test that decodes and re-encodes a DER CRL.

3 files changed, 147 insertions, 3 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 216828f..0277c70 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -26,7 +26,7 @@ EXTRA_DIST = Test_parser.asn Test_tree.asn Test_tree_asn1_tab.c	\
 	Test_encoding.asn pkix.asn TestIndef.p12 choice.asn
 
 # For crlf.
-EXTRA_DIST += crlf.cer
+EXTRA_DIST += crlf.cer crl.der
 dist_check_SCRIPTS = crlf benchmark
 
 dist_check_SCRIPTS += threadsafety
@@ -34,17 +34,19 @@ dist_check_SCRIPTS += threadsafety
 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_errors Test_simple Test_overflow Test_strings Test_choice \
+	Test_encdec
 
 TESTS = Test_parser Test_tree Test_encoding Test_indefinite	\
 	Test_errors Test_simple Test_overflow crlf threadsafety \
-	Test_strings Test_choice
+	Test_strings Test_choice Test_encdec
 
 TESTS_ENVIRONMENT = \
 	ASN1PARSER=$(srcdir)/Test_parser.asn \
 	ASN1TREE=$(srcdir)/Test_tree.asn \
 	ASN1PKIX=$(srcdir)/pkix.asn \
 	ASN1PKIX=$(srcdir)/pkix.asn \
+	ASN1CRLDER=$(srcdir)/crl.der \
 	ASN1INDEF=$(srcdir)/TestIndef.p12 \
 	ASN1ENCODING=$(srcdir)/Test_encoding.asn \
 	THREADSAFETY_FILES=`find $(top_srcdir)/lib -name \*.c` \
diff --git a/tests/Test_encdec.c b/tests/Test_encdec.c
new file mode 100644
index 0000000..363f2ff
--- /dev/null
+++ b/tests/Test_encdec.c
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2002-2014 Free Software Foundation, 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/>.
+ *
+ */
+
+
+/*****************************************************/
+/* File: Test_tree.c                                 */
+/* Description: Test sequences for these functions:  */
+/*     asn1_visit_tree,                              */
+/*     asn1_create_element,                          */
+/*     asn1_delete_structure,                        */
+/*     asn1_write_value,                             */
+/*     asn1_read_value,                              */
+/*****************************************************/
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "libtasn1.h"
+
+
+
+int
+main (int argc, char *argv[])
+{
+  int result;
+  char buffer[5 * 1024];
+  char buffer2[5 * 1024];
+  asn1_node definitions = NULL;
+  asn1_node asn1_element = NULL;
+  char errorDescription[ASN1_MAX_ERROR_DESCRIPTION_SIZE];
+  FILE *out, *fd;
+  ssize_t size;
+  int size2;
+  const char *treefile = getenv ("ASN1PKIX");
+  const char *derfile = getenv ("ASN1CRLDER");
+  int verbose = 0;
+
+  if (argc > 1)
+    verbose = 1;
+
+  if (!treefile)
+    treefile = "pkix.asn";
+
+  if (!derfile)
+    derfile = "crl.der";
+
+  if (verbose)
+    {
+      printf ("\n\n/****************************************/\n");
+      printf ("/*     Test sequence : Test_indefinite  */\n");
+      printf ("/****************************************/\n\n");
+      printf ("ASN1TREE: %s\n", treefile);
+    }
+
+  /* Check version */
+  if (asn1_check_version ("0.3.3") == NULL)
+    printf ("\nLibrary version check ERROR:\n actual version: %s\n\n",
+	    asn1_check_version (NULL));
+
+  result = asn1_parser2tree (treefile, &definitions, errorDescription);
+  if (result != ASN1_SUCCESS)
+    {
+      asn1_perror (result);
+      printf ("ErrorDescription = %s\n\n", errorDescription);
+      exit (1);
+    }
+
+  out = stdout;
+
+  fd = fopen (derfile, "rb");
+  if (fd == NULL)
+    {
+      printf ("Cannot read file %s\n", derfile);
+      exit (1);
+    }
+  size = fread (buffer, 1, sizeof (buffer), fd);
+  if (size <= 0)
+    {
+      printf ("Cannot read from file %s\n", derfile);
+      exit (1);
+    }
+
+  fclose (fd);
+
+  result =
+    asn1_create_element (definitions, "PKIX1.CertificateList", &asn1_element);
+  if (result != ASN1_SUCCESS)
+    {
+      asn1_perror (result);
+      printf ("Cannot create CRL element\n");
+      exit (1);
+    }
+
+  result = asn1_der_decoding (&asn1_element, buffer, size, errorDescription);
+  if (result != ASN1_SUCCESS)
+    {
+      asn1_perror (result);
+      printf ("Cannot decode DER data (size %ld)\n", (long) size);
+      exit (1);
+    }
+
+  size2 = sizeof(buffer2);
+  result = asn1_der_coding (asn1_element, "", buffer2, &size2, NULL);
+  if (result != ASN1_SUCCESS)
+    {
+      asn1_perror (result);
+      printf ("Cannot encode data (size %ld)\n", (long) size);
+      exit (1);
+    }
+ 
+  if (size2 != size || memcmp(buffer, buffer2, size) != 0) 
+    {
+      printf("DER encoded data differ!\n");
+      exit(1);
+    }
+
+  /* Clear the definition structures */
+  asn1_delete_structure (&definitions);
+  asn1_delete_structure (&asn1_element);
+
+  if (out != stdout)
+    fclose (out);
+
+  exit (0);
+}
diff --git a/tests/crl.der b/tests/crl.der
new file mode 100644
index 0000000..7ab7752
--- /dev/null
+++ b/tests/crl.der