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/* This file contains test for both libntp/authkeys.c and libntp/authusekey.c */
#include "config.h"
#include "ntp.h"
#include "ntp_stdlib.h"
#include "ntp_calendar.h"
#include "unity.h"
#ifdef OPENSSL
# include "openssl/err.h"
# include "openssl/rand.h"
# include "openssl/evp.h"
#endif
#include <limits.h>
u_long current_time = 4;
int counter = 0;
void setUp(void);
void tearDown(void);
void AddTrustedKey(keyid_t keyno);
void AddUntrustedKey(keyid_t keyno);
void test_AddTrustedKeys(void);
void test_AddUntrustedKey(void);
void test_HaveKeyCorrect(void);
void test_HaveKeyIncorrect(void);
void test_AddWithAuthUseKey(void);
void test_EmptyKey(void);
void test_auth_log2(void);
void
setUp(void)
{
if (counter == 0) {
counter++;
init_auth(); // causes segfault if called more than once
}
/*
* init_auth() is called by tests_main.cpp earlier. It
* does not initialize global variables like
* authnumkeys, so let's reset them to zero here.
*/
authnumkeys = 0;
/*
* Especially, empty the key cache!
*/
cache_keyid = 0;
cache_type = 0;
cache_flags = 0;
cache_secret = NULL;
cache_secretsize = 0;
return;
}
void
tearDown(void)
{
return;
}
static const int KEYTYPE = KEY_TYPE_MD5;
void
AddTrustedKey(keyid_t keyno)
{
/*
* We need to add a MD5-key in addition to setting the
* trust, because authhavekey() requires type != 0.
*/
MD5auth_setkey(keyno, KEYTYPE, NULL, 0, NULL);
authtrust(keyno, TRUE);
return;
}
void
AddUntrustedKey(keyid_t keyno)
{
authtrust(keyno, FALSE);
return;
}
void
test_AddTrustedKeys(void)
{
const keyid_t KEYNO1 = 5;
const keyid_t KEYNO2 = 8;
AddTrustedKey(KEYNO1);
AddTrustedKey(KEYNO2);
TEST_ASSERT_TRUE(authistrusted(KEYNO1));
TEST_ASSERT_TRUE(authistrusted(KEYNO2));
return;
}
void
test_AddUntrustedKey(void)
{
const keyid_t KEYNO = 3;
AddUntrustedKey(KEYNO);
TEST_ASSERT_FALSE(authistrusted(KEYNO));
return;
}
void
test_HaveKeyCorrect(void)
{
const keyid_t KEYNO = 3;
AddTrustedKey(KEYNO);
TEST_ASSERT_TRUE(auth_havekey(KEYNO));
TEST_ASSERT_TRUE(authhavekey(KEYNO));
return;
}
void
test_HaveKeyIncorrect(void)
{
const keyid_t KEYNO = 2;
TEST_ASSERT_FALSE(auth_havekey(KEYNO));
TEST_ASSERT_FALSE(authhavekey(KEYNO));
return;
}
void
test_AddWithAuthUseKey(void)
{
const keyid_t KEYNO = 5;
const char* KEY = "52a";
TEST_ASSERT_TRUE(authusekey(KEYNO, KEYTYPE, (const u_char*)KEY));
return;
}
void
test_EmptyKey(void)
{
const keyid_t KEYNO = 3;
const char* KEY = "";
TEST_ASSERT_FALSE(authusekey(KEYNO, KEYTYPE, (const u_char*)KEY));
return;
}
/* test the implementation of 'auth_log2' -- use a local copy of the code */
static u_short
auth_log2(
size_t x)
{
int s;
int r = 0;
size_t m = ~(size_t)0;
for (s = sizeof(size_t) / 2 * CHAR_BIT; s != 0; s >>= 1) {
m <<= s;
if (x & m)
r += s;
else
x <<= s;
}
return (u_short)r;
}
void
test_auth_log2(void)
{
int l2;
size_t tv;
TEST_ASSERT_EQUAL_INT(0, auth_log2(0));
TEST_ASSERT_EQUAL_INT(0, auth_log2(1));
for (l2 = 1; l2 < sizeof(size_t)*CHAR_BIT; ++l2) {
tv = (size_t)1 << l2;
TEST_ASSERT_EQUAL_INT(l2, auth_log2( tv ));
TEST_ASSERT_EQUAL_INT(l2, auth_log2( tv + 1 ));
TEST_ASSERT_EQUAL_INT(l2, auth_log2(2*tv - 1));
}
}
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