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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, see <https://www.gnu.org/licenses/>.
*/
/* 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_pem_base64_encode2(test_name, raw, &out);
if (ret < 0) {
fail("%s: gnutls_pem_base64_encode2: %s\n", test_name,
gnutls_strerror(ret));
exit(1);
}
if (strlen(expected) != out.size) {
fail("%s: gnutls_pem_base64_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_pem_base64_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_pem_base64_decode2(test_name, &in, &out);
if (ret < 0) {
fail("%s: gnutls_pem_base64_decode2: %s\n", test_name,
gnutls_strerror(ret));
exit(1);
}
if (raw->size != out.size) {
fail("%s: gnutls_pem_base64_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_pem_base64_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, unsigned hex_size, int res)
{
int ret;
gnutls_datum_t out, in;
in.data = (void *)hex;
if (hex_size == 0)
in.size = strlen(hex);
else
in.size = hex_size;
ret = gnutls_pem_base64_decode2(test_name, &in, &out);
if (ret < 0) {
if (res == ret) /* expected */
return;
fail("%s: gnutls_pem_base64_decode2: %d/%s\n", test_name, ret,
gnutls_strerror(ret));
exit(1);
}
if (res != 0) {
fail("%s: gnutls_pem_base64_decode2: expected failure, but succeeded!\n",
test_name);
exit(1);
}
if (raw->size != out.size) {
fail("%s: gnutls_pem_base64_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_pem_base64_decode2: output does not match the expected\n",
test_name);
exit(1);
}
gnutls_free(out.data);
/* decode with null argument */
in.data = (void *)hex;
in.size = strlen(hex);
ret = gnutls_pem_base64_decode2(NULL, &in, &out);
if (ret < 0) {
if (res == ret) /* expected */
return;
fail("%s: gnutls_pem_base64_decode2: %d/%s\n", test_name, ret,
gnutls_strerror(ret));
exit(1);
}
if (res != 0) {
fail("%s: gnutls_pem_base64_decode2: expected failure, but succeeded!\n",
test_name);
exit(1);
}
if (raw->size != out.size) {
fail("%s: gnutls_pem_base64_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_pem_base64_decode2: output does not match the expected\n",
test_name);
exit(1);
}
gnutls_free(out.data);
return;
}
struct encode_tests_st {
const char *name;
gnutls_datum_t raw;
const char *pem;
};
struct encode_tests_st encode_tests[] = {
{ .name = "rnd1",
.pem = "-----BEGIN rnd1-----\n"
"9ppGioRpeiiD2lLNYC85eA==\n"
"-----END rnd1-----\n",
.raw = { (void *)"\xf6\x9a\x46\x8a\x84\x69\x7a\x28\x83\xda\x52\xcd\x60\x2f\x39\x78",
16 } },
{ .name = "rnd2",
.pem = "-----BEGIN rnd2-----\n"
"LJ/7hUZ3TtPIz2dlc5+YvELe+Q==\n"
"-----END rnd2-----\n",
.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 *pem;
unsigned pem_size;
int res;
};
struct decode_tests_st decode_tests[] = {
{ .name = "dec-rnd1",
.pem = "-----BEGIN dec-rnd1-----\n"
"9ppGioRpeiiD2lLNYC85eA==\n"
"-----END rnd1-----\n",
.raw = { (void *)"\xf6\x9a\x46\x8a\x84\x69\x7a\x28\x83\xda\x52\xcd\x60\x2f\x39\x78",
16 },
.res = 0 },
{ .name = "dec-rnd2",
.pem = "-----BEGIN dec-rnd2-----\n"
"LJ/7hUZ3TtPIz2dlc5+YvELe+Q==\n"
"-----END rnd2-----\n",
.raw = { (void *)"\x2c\x9f\xfb\x85\x46\x77\x4e\xd3\xc8\xcf\x67\x65\x73\x9f\x98\xbc\x42\xde\xf9",
19 },
.res = 0 },
{ .name = "dec-extra-chars",
.pem = "-----BEGIN dec-extra-chars----- \n\n"
"\n\n LJ/7hUZ3TtPIz2dlc5+YvELe+Q== \n"
" -----END rnd2----- \n ",
.raw = { (void *)"\x2c\x9f\xfb\x85\x46\x77\x4e\xd3\xc8\xcf\x67\x65\x73\x9f\x98\xbc\x42\xde\xf9",
19 },
.res = 0 },
{ .name = "dec-invalid-header",
.pem = "-----BEGIN dec-xxx-----\n"
"LJ/7hUZ3TtPIz2dlc5+YvELe+Q==\n"
"-----END rnd2-----\n",
.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_BASE64_UNEXPECTED_HEADER_ERROR },
{ .name = "dec-invalid-data",
.pem = "-----BEGIN dec-invalid-data-----\n"
"XLJ/7hUZ3TtPIz2dlc5+YvELe+Q==\n"
"-----END rnd2-----\n",
.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_BASE64_DECODING_ERROR },
{ .name = "leak1",
.pem = "-----BEGIN leak1-----E-\x00\x00-----END ",
.pem_size = 34,
.raw = { (void *)"", 0 },
.res = GNUTLS_E_BASE64_DECODING_ERROR },
{ .name = "dec-invalid-suffix",
.pem = "-----BEGIN dec-invalid-suffix-----\n"
"LJ/7hUZ3TtPIz2dlc5+YvELe+Q==XXX\n"
"-----END rnd2-----\n",
.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_BASE64_DECODING_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].pem);
}
for (i = 0; i < sizeof(decode_tests) / sizeof(decode_tests[0]); i++) {
decode(decode_tests[i].name, &decode_tests[i].raw,
decode_tests[i].pem, decode_tests[i].pem_size,
decode_tests[i].res);
}
}
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