summaryrefslogtreecommitdiffstats
path: root/crypto/heimdal/lib/asn1/check-der.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/heimdal/lib/asn1/check-der.c')
-rw-r--r--crypto/heimdal/lib/asn1/check-der.c289
1 files changed, 289 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/asn1/check-der.c b/crypto/heimdal/lib/asn1/check-der.c
new file mode 100644
index 0000000..a2f1217
--- /dev/null
+++ b/crypto/heimdal/lib/asn1/check-der.c
@@ -0,0 +1,289 @@
+/*
+ * Copyright (c) 1999 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * 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, this list of conditions and the following disclaimer.
+ *
+ * 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. Neither the name of the Institute nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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 <string.h>
+#include <err.h>
+#include <roken.h>
+
+#include <libasn1.h>
+
+RCSID("$Id: check-der.c,v 1.7 1999/12/02 17:05:01 joda Exp $");
+
+static void
+print_bytes (unsigned const char *buf, size_t len)
+{
+ int i;
+
+ for (i = 0; i < len; ++i)
+ printf ("%02x ", buf[i]);
+}
+
+struct test_case {
+ void *val;
+ int byte_len;
+ const unsigned char *bytes;
+ char *name;
+};
+
+static int
+generic_test (const struct test_case *tests,
+ unsigned ntests,
+ size_t data_size,
+ int (*encode)(unsigned char *, size_t, void *, size_t *),
+ int (*length)(void *),
+ int (*decode)(unsigned char *, size_t, void *, size_t *),
+ int (*cmp)(void *a, void *b))
+{
+ unsigned char buf[4711];
+ int i;
+ int failures = 0;
+ void *val = malloc (data_size);
+
+ if (data_size != 0 && val == NULL)
+ err (1, "malloc");
+
+ for (i = 0; i < ntests; ++i) {
+ int ret;
+ size_t sz, consumed_sz, length_sz;
+ unsigned char *beg;
+
+ ret = (*encode) (buf + sizeof(buf) - 1, sizeof(buf),
+ tests[i].val, &sz);
+ beg = buf + sizeof(buf) - sz;
+ if (ret != 0) {
+ printf ("encoding of %s failed\n", tests[i].name);
+ ++failures;
+ }
+ if (sz != tests[i].byte_len) {
+ printf ("encoding of %s has wrong len (%lu != %lu)\n",
+ tests[i].name,
+ (unsigned long)sz, (unsigned long)tests[i].byte_len);
+ ++failures;
+ }
+
+ length_sz = (*length) (tests[i].val);
+ if (sz != length_sz) {
+ printf ("length for %s is bad (%lu != %lu)\n",
+ tests[i].name, (unsigned long)length_sz, (unsigned long)sz);
+ ++failures;
+ }
+
+ if (memcmp (beg, tests[i].bytes, tests[i].byte_len) != 0) {
+ printf ("encoding of %s has bad bytes:\n"
+ "correct: ", tests[i].name);
+ print_bytes (tests[i].bytes, tests[i].byte_len);
+ printf ("\nactual: ");
+ print_bytes (beg, sz);
+ printf ("\n");
+ ++failures;
+ }
+ ret = (*decode) (beg, sz, val, &consumed_sz);
+ if (ret != 0) {
+ printf ("decoding of %s failed\n", tests[i].name);
+ ++failures;
+ }
+ if (sz != consumed_sz) {
+ printf ("different length decoding %s (%ld != %ld)\n",
+ tests[i].name,
+ (unsigned long)sz, (unsigned long)consumed_sz);
+ ++failures;
+ }
+ if ((*cmp)(val, tests[i].val) != 0) {
+ printf ("%s: comparison failed\n", tests[i].name);
+ ++failures;
+ }
+ }
+ free (val);
+ return failures;
+}
+
+static int
+cmp_integer (void *a, void *b)
+{
+ int *ia = (int *)a;
+ int *ib = (int *)b;
+
+ return *ib - *ia;
+}
+
+static int
+test_integer (void)
+{
+ struct test_case tests[] = {
+ {NULL, 3, "\x02\x01\x00"},
+ {NULL, 3, "\x02\x01\x7f"},
+ {NULL, 4, "\x02\x02\x00\x80"},
+ {NULL, 4, "\x02\x02\x01\x00"},
+ {NULL, 3, "\x02\x01\x80"},
+ {NULL, 4, "\x02\x02\xff\x7f"},
+ {NULL, 3, "\x02\x01\xff"},
+ {NULL, 4, "\x02\x02\xff\x01"},
+ {NULL, 4, "\x02\x02\x00\xff"},
+ {NULL, 6, "\x02\x04\x80\x00\x00\x00"},
+ {NULL, 6, "\x02\x04\x7f\xff\xff\xff"}
+ };
+
+ int values[] = {0, 127, 128, 256, -128, -129, -1, -255, 255,
+ 0x80000000, 0x7fffffff};
+ int i;
+ int ntests = sizeof(tests) / sizeof(*tests);
+
+ for (i = 0; i < ntests; ++i) {
+ tests[i].val = &values[i];
+ asprintf (&tests[i].name, "integer %d", values[i]);
+ }
+
+ return generic_test (tests, ntests, sizeof(int),
+ (int (*)(unsigned char *, size_t,
+ void *, size_t *))encode_integer,
+ (int (*)(void *))length_integer,
+ (int (*)(unsigned char *, size_t,
+ void *, size_t *))decode_integer,
+ cmp_integer);
+}
+
+static int
+cmp_octet_string (void *a, void *b)
+{
+ octet_string *oa = (octet_string *)a;
+ octet_string *ob = (octet_string *)b;
+
+ if (oa->length != ob->length)
+ return ob->length - oa->length;
+
+ return (memcmp (oa->data, ob->data, oa->length));
+}
+
+static int
+test_octet_string (void)
+{
+ octet_string s1 = {8, "\x01\x23\x45\x67\x89\xab\xcd\xef"};
+
+ struct test_case tests[] = {
+ {NULL, 10, "\x04\x08\x01\x23\x45\x67\x89\xab\xcd\xef"}
+ };
+ int ntests = sizeof(tests) / sizeof(*tests);
+
+ tests[0].val = &s1;
+ asprintf (&tests[0].name, "a octet string");
+
+ return generic_test (tests, ntests, sizeof(octet_string),
+ (int (*)(unsigned char *, size_t,
+ void *, size_t *))encode_octet_string,
+ (int (*)(void *))length_octet_string,
+ (int (*)(unsigned char *, size_t,
+ void *, size_t *))decode_octet_string,
+ cmp_octet_string);
+}
+
+static int
+cmp_general_string (void *a, void *b)
+{
+ unsigned char **sa = (unsigned char **)a;
+ unsigned char **sb = (unsigned char **)b;
+
+ return strcmp (*sa, *sb);
+}
+
+static int
+test_general_string (void)
+{
+ unsigned char *s1 = "Test User 1";
+
+ struct test_case tests[] = {
+ {NULL, 13, "\x1b\x0b\x54\x65\x73\x74\x20\x55\x73\x65\x72\x20\x31"}
+ };
+ int ntests = sizeof(tests) / sizeof(*tests);
+
+ tests[0].val = &s1;
+ asprintf (&tests[0].name, "the string \"%s\"", s1);
+
+ return generic_test (tests, ntests, sizeof(unsigned char *),
+ (int (*)(unsigned char *, size_t,
+ void *, size_t *))encode_general_string,
+ (int (*)(void *))length_general_string,
+ (int (*)(unsigned char *, size_t,
+ void *, size_t *))decode_general_string,
+ cmp_general_string);
+}
+
+static int
+cmp_generalized_time (void *a, void *b)
+{
+ time_t *ta = (time_t *)a;
+ time_t *tb = (time_t *)b;
+
+ return *tb - *ta;
+}
+
+static int
+test_generalized_time (void)
+{
+ struct test_case tests[] = {
+ {NULL, 17, "\x18\x0f""19700101000000Z"},
+ {NULL, 17, "\x18\x0f""19851106210627Z"}
+ };
+ time_t values[] = {0, 500159187};
+ int i;
+ int ntests = sizeof(tests) / sizeof(*tests);
+
+ for (i = 0; i < ntests; ++i) {
+ tests[i].val = &values[i];
+ asprintf (&tests[i].name, "time %d", (int)values[i]);
+ }
+
+ return generic_test (tests, ntests, sizeof(time_t),
+ (int (*)(unsigned char *, size_t,
+ void *, size_t *))encode_generalized_time,
+ (int (*)(void *))length_generalized_time,
+ (int (*)(unsigned char *, size_t,
+ void *, size_t *))decode_generalized_time,
+ cmp_generalized_time);
+}
+
+int
+main(int argc, char **argv)
+{
+ int ret = 0;
+
+ ret += test_integer ();
+ ret += test_octet_string ();
+ ret += test_general_string ();
+ ret += test_generalized_time ();
+
+ return ret;
+}
OpenPOWER on IntegriCloud