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/*
* Copyright (C) 2016 Red Hat, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* GnuTLS 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.
*
* GnuTLS 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 GnuTLS; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/* Parts copied from GnuTLS example programs. */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gnutls/gnutls.h>
#include "utils.h"
static void encode(const char *test_name, const gnutls_datum_t *raw, const char *expected)
{
int ret;
gnutls_datum_t out, in;
ret = gnutls_hex_encode2(raw, &out);
if (ret < 0) {
fail("%s: gnutls_hex_encode2: %s\n", test_name, gnutls_strerror(ret));
exit(1);
}
if (strlen(expected)!=out.size) {
fail("%s: gnutls_hex_encode2: output has incorrect size (%d, expected %d)\n", test_name, (int)out.size, (int)strlen(expected));
exit(1);
}
if (strncasecmp(expected, (char*)out.data, out.size) != 0) {
fail("%s: gnutls_hex_encode2: output does not match the expected\n", test_name);
exit(1);
}
gnutls_free(out.data);
in.data = (void*)expected;
in.size = strlen(expected);
ret = gnutls_hex_decode2(&in, &out);
if (ret < 0) {
fail("%s: gnutls_hex_decode2: %s\n", test_name, gnutls_strerror(ret));
exit(1);
}
if (raw->size!=out.size) {
fail("%s: gnutls_hex_decode2: output has incorrect size (%d, expected %d)\n", test_name, out.size, raw->size);
exit(1);
}
if (memcmp(raw->data, out.data, out.size) != 0) {
fail("%s: gnutls_hex_decode2: output does not match the expected\n", test_name);
exit(1);
}
gnutls_free(out.data);
return;
}
static void decode(const char *test_name, const gnutls_datum_t *raw, const char *hex, int res)
{
int ret;
gnutls_datum_t out, in;
in.data = (void*)hex;
in.size = strlen(hex);
ret = gnutls_hex_decode2(&in, &out);
if (ret < 0) {
if (res == ret) /* expected */
return;
fail("%s: gnutls_hex_decode2: %d/%s\n", test_name, ret, gnutls_strerror(ret));
exit(1);
}
if (res != 0) {
fail("%s: gnutls_hex_decode2: expected failure, but succeeded!\n", test_name);
exit(1);
}
if (raw->size!=out.size) {
fail("%s: gnutls_hex_decode2: output has incorrect size (%d, expected %d)\n", test_name, out.size, raw->size);
exit(1);
}
if (memcmp(raw->data, out.data, out.size) != 0) {
fail("%s: gnutls_hex_decode2: output does not match the expected\n", test_name);
exit(1);
}
gnutls_free(out.data);
return;
}
static void decode2(const char *test_name, const gnutls_datum_t *raw, const char *hex, int res)
{
int ret;
unsigned char output[128];
size_t outlen;
outlen = sizeof(output);
ret = gnutls_hex2bin(hex, strlen(hex), output, &outlen);
if (ret < 0) {
if (res == ret) /* expected */
return;
fail("%s: gnutls_hex2bin: %d/%s\n", test_name, ret, gnutls_strerror(ret));
exit(1);
}
if (res != 0) {
fail("%s: gnutls_hex2bin: expected failure, but succeeded!\n", test_name);
exit(1);
}
if (raw->size!=outlen) {
fail("%s: gnutls_hex2bin: output has incorrect size (%d, expected %d)\n", test_name, (int)outlen, raw->size);
exit(1);
}
if (memcmp(raw->data, output, outlen) != 0) {
fail("%s: gnutls_hex2bin: output does not match the expected\n", test_name);
exit(1);
}
return;
}
struct encode_tests_st {
const char *name;
gnutls_datum_t raw;
const char *hex;
};
struct encode_tests_st encode_tests[] = {
{
.name = "rnd1",
.hex = "f69a468a84697a2883da52cd602f3978",
.raw = {(void*)"\xf6\x9a\x46\x8a\x84\x69\x7a\x28\x83\xda\x52\xcd\x60\x2f\x39\x78", 16}
},
{
.name = "rnd2",
.hex = "2c9ffb8546774ed3c8cf6765739f98bc42def9",
.raw = {(void*)"\x2c\x9f\xfb\x85\x46\x77\x4e\xd3\xc8\xcf\x67\x65\x73\x9f\x98\xbc\x42\xde\xf9", 19}
}
};
struct decode_tests_st {
const char *name;
gnutls_datum_t raw;
const char *hex;
int res;
int hex2bin_res;
};
struct decode_tests_st decode_tests[] = {
{
.name = "dec-rnd1",
.hex = "f69a468a84697a2883da52cd602f3978",
.raw = {(void*)"\xf6\x9a\x46\x8a\x84\x69\x7a\x28\x83\xda\x52\xcd\x60\x2f\x39\x78", 16},
.res = 0,
.hex2bin_res = 0
},
{
.name = "dec-rnd2",
.hex = "2c9ffb8546774ed3c8cf6765739f98bc42def9",
.raw = {(void*)"\x2c\x9f\xfb\x85\x46\x77\x4e\xd3\xc8\xcf\x67\x65\x73\x9f\x98\xbc\x42\xde\xf9", 19},
.res = 0,
.hex2bin_res = 0
},
{
.name = "dec-colon",
.hex = "2c:9f:fb:85:46:77:4e:d3:c8:cf:67:65:73:9f:98:bc:42:de:f9",
.raw = {(void*)"\x2c\x9f\xfb\x85\x46\x77\x4e\xd3\xc8\xcf\x67\x65\x73\x9f\x98\xbc\x42\xde\xf9", 19},
.res = GNUTLS_E_PARSING_ERROR,
.hex2bin_res = 0
},
{
.name = "dec-odd-len",
.hex = "2c9ffb8546774ed3c8cf6765739f98bc42def9a",
.raw = {(void*)"\x2c\x9f\xfb\x85\x46\x77\x4e\xd3\xc8\xcf\x67\x65\x73\x9f\x98\xbc\x42\xde\xf9", 19},
.res = GNUTLS_E_PARSING_ERROR,
.hex2bin_res = GNUTLS_E_PARSING_ERROR
}
};
void doit(void)
{
unsigned i;
for (i=0;i<sizeof(encode_tests)/sizeof(encode_tests[0]);i++) {
encode(encode_tests[i].name, &encode_tests[i].raw, encode_tests[i].hex);
}
for (i=0;i<sizeof(decode_tests)/sizeof(decode_tests[0]);i++) {
decode(decode_tests[i].name, &decode_tests[i].raw, decode_tests[i].hex, decode_tests[i].res);
}
for (i=0;i<sizeof(decode_tests)/sizeof(decode_tests[0]);i++) {
decode2(decode_tests[i].name, &decode_tests[i].raw, decode_tests[i].hex, decode_tests[i].hex2bin_res);
}
}
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