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/*
**********************************************************************
* Copyright (C) Miroslav Lichvar 2017
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
**********************************************************************
*/
#include <config.h>
#include "test.h"
#if defined(FEAT_NTP) || defined(FEAT_CMDMON)
#include <keys.c>
#define KEYS 100
#define KEYFILE "keys.test-keys"
static
uint32_t write_random_key(FILE *f)
{
const char *type, *prefix;
char key[128];
uint32_t id;
int i, length;
length = random() % sizeof (key) + 1;
length = MAX(length, 4);
prefix = random() % 2 ? "HEX:" : "";
switch (random() % 8) {
#ifdef FEAT_SECHASH
case 0:
type = "SHA1";
break;
case 1:
type = "SHA256";
break;
case 2:
type = "SHA384";
break;
case 3:
type = "SHA512";
break;
#endif
#ifdef HAVE_CMAC
case 4:
type = "AES128";
length = prefix[0] == '\0' ? 8 : 16;
break;
case 5:
type = "AES256";
length = prefix[0] == '\0' ? 16 : 32;
break;
#endif
case 6:
type = "MD5";
break;
default:
type = "";
}
UTI_GetRandomBytes(&id, sizeof (id));
UTI_GetRandomBytes(key, length);
fprintf(f, "%u %s %s", id, type, prefix);
for (i = 0; i < length; i++)
fprintf(f, "%02hhX", key[i]);
fprintf(f, "\n");
return id;
}
static void
generate_key_file(const char *name, uint32_t *keys)
{
FILE *f;
int i;
f = fopen(name, "w");
TEST_CHECK(f);
for (i = 0; i < KEYS; i++)
keys[i] = write_random_key(f);
fclose(f);
}
void
test_unit(void)
{
int i, j, data_len, auth_len, type, bits;
uint32_t keys[KEYS], key;
unsigned char data[100], auth[MAX_HASH_LENGTH];
char conf[][100] = {
"keyfile "KEYFILE
};
CNF_Initialise(0, 0);
for (i = 0; i < sizeof conf / sizeof conf[0]; i++)
CNF_ParseLine(NULL, i + 1, conf[i]);
generate_key_file(KEYFILE, keys);
KEY_Initialise();
for (i = 0; i < 100; i++) {
DEBUG_LOG("iteration %d", i);
if (i) {
generate_key_file(KEYFILE, keys);
KEY_Reload();
}
UTI_GetRandomBytes(data, sizeof (data));
for (j = 0; j < KEYS; j++) {
TEST_CHECK(KEY_KeyKnown(keys[j]));
TEST_CHECK(KEY_GetAuthLength(keys[j]) >= 16);
data_len = random() % (sizeof (data) + 1);
auth_len = KEY_GenerateAuth(keys[j], data, data_len, auth, sizeof (auth));
TEST_CHECK(auth_len >= 16);
TEST_CHECK(KEY_CheckAuth(keys[j], data, data_len, auth, auth_len, auth_len));
if (j > 0 && keys[j - 1] != keys[j])
TEST_CHECK(!KEY_CheckAuth(keys[j - 1], data, data_len, auth, auth_len, auth_len));
auth_len = random() % auth_len + 1;
if (auth_len < MAX_HASH_LENGTH)
auth[auth_len]++;
TEST_CHECK(KEY_CheckAuth(keys[j], data, data_len, auth, auth_len, auth_len));
auth[auth_len - 1]++;
TEST_CHECK(!KEY_CheckAuth(keys[j], data, data_len, auth, auth_len, auth_len));
TEST_CHECK(KEY_GetKeyInfo(keys[j], &type, &bits));
TEST_CHECK(type > 0 && bits > 0);
}
for (j = 0; j < 1000; j++) {
UTI_GetRandomBytes(&key, sizeof (key));
if (KEY_KeyKnown(key))
continue;
TEST_CHECK(!KEY_GetKeyInfo(key, &type, &bits));
TEST_CHECK(!KEY_GenerateAuth(key, data, data_len, auth, sizeof (auth)));
TEST_CHECK(!KEY_CheckAuth(key, data, data_len, auth, auth_len, auth_len));
}
}
unlink(KEYFILE);
KEY_Finalise();
CNF_Finalise();
HSH_Finalise();
}
#else
void
test_unit(void)
{
TEST_REQUIRE(0);
}
#endif
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