static int test_PACKET_get_length_prefixed_3()
{
unsigned char buf[1024];
const size_t len = 516; /* 0x000204 */
unsigned int i;
PACKET pkt, short_pkt, subpkt;
for (i = 0; i < 1024; i++) {
buf[i] = (i * 2) & 0xff;
}
if ( !PACKET_buf_init(&pkt, buf, 1024)
|| !PACKET_buf_init(&short_pkt, buf, len)
|| !PACKET_get_length_prefixed_3(&pkt, &subpkt)
|| PACKET_remaining(&subpkt) != len
|| !PACKET_get_net_2(&subpkt, &i)
|| i != 0x0608
|| PACKET_get_length_prefixed_3(&short_pkt, &subpkt)
|| PACKET_remaining(&short_pkt) != len) {
fprintf(stderr, "test_PACKET_get_length_prefixed_3() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_strndup()
{
char buf[10], buf2[10];
char *data = NULL;
PACKET pkt;
memset(buf, 'x', 10);
memset(buf2, 'y', 10);
buf2[5] = '\0';
if ( !PACKET_buf_init(&pkt, (unsigned char*)buf, 10)
|| !PACKET_strndup(&pkt, &data)
|| strlen(data) != 10
|| strncmp(data, buf, 10)
|| !PACKET_buf_init(&pkt, (unsigned char*)buf2, 10)
|| !PACKET_strndup(&pkt, &data)
|| strlen(data) != 5
|| strcmp(data, buf2)) {
fprintf(stderr, "test_PACKET_strndup failed\n");
OPENSSL_free(data);
return 0;
}
OPENSSL_free(data);
return 1;
}
static int test_PACKET_strndup()
{
char buf1[10], buf2[10];
char *data = NULL;
PACKET pkt;
int result = 0;
memset(buf1, 'x', 10);
memset(buf2, 'y', 10);
buf2[5] = '\0';
if (!TEST_true(PACKET_buf_init(&pkt, (unsigned char*)buf1, 10))
|| !TEST_true(PACKET_strndup(&pkt, &data))
|| !TEST_size_t_eq(strlen(data), 10)
|| !TEST_strn_eq(data, buf1, 10)
|| !TEST_true(PACKET_buf_init(&pkt, (unsigned char*)buf2, 10))
|| !TEST_true(PACKET_strndup(&pkt, &data))
|| !TEST_size_t_eq(strlen(data), 5)
|| !TEST_str_eq(data, buf2))
goto end;
result = 1;
end:
OPENSSL_free(data);
return result;
}
static int test_PACKET_get_length_prefixed_1()
{
unsigned char buf[BUF_LEN];
const size_t len = 16;
unsigned int i;
PACKET pkt, short_pkt, subpkt;
buf[0] = len;
for (i = 1; i < BUF_LEN; i++) {
buf[i] = (i * 2) & 0xff;
}
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_buf_init(&short_pkt, buf, len)
|| !PACKET_get_length_prefixed_1(&pkt, &subpkt)
|| PACKET_remaining(&subpkt) != len
|| !PACKET_get_net_2(&subpkt, &i)
|| i != 0x0204
|| PACKET_get_length_prefixed_1(&short_pkt, &subpkt)
|| PACKET_remaining(&short_pkt) != len) {
fprintf(stderr, "test_PACKET_get_length_prefixed_1() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_buf_init()
{
unsigned char buf1[BUF_LEN];
PACKET pkt;
/* Also tests PACKET_remaining() */
if (!TEST_true(PACKET_buf_init(&pkt, buf1, 4))
|| !TEST_size_t_eq(PACKET_remaining(&pkt), 4)
|| !TEST_true(PACKET_buf_init(&pkt, buf1, BUF_LEN))
|| !TEST_size_t_eq(PACKET_remaining(&pkt), BUF_LEN)
|| !TEST_false(PACKET_buf_init(&pkt, buf1, -1)))
return 0;
return 1;
}
static int test_PACKET_equal()
{
PACKET pkt;
if (!TEST_true(PACKET_buf_init(&pkt, smbuf, 4))
|| !TEST_true(PACKET_equal(&pkt, smbuf, 4))
|| !TEST_false(PACKET_equal(&pkt, smbuf + 1, 4))
|| !TEST_true(PACKET_buf_init(&pkt, smbuf, BUF_LEN))
|| !TEST_true(PACKET_equal(&pkt, smbuf, BUF_LEN))
|| !TEST_false(PACKET_equal(&pkt, smbuf, BUF_LEN - 1))
|| !TEST_false(PACKET_equal(&pkt, smbuf, BUF_LEN + 1))
|| !TEST_false(PACKET_equal(&pkt, smbuf, 0)))
return 0;
return 1;
}
static int test_PACKET_contains_zero_byte()
{
char buf1[10], buf2[10];
PACKET pkt;
memset(buf1, 'x', 10);
memset(buf2, 'y', 10);
buf2[5] = '\0';
if (!TEST_true(PACKET_buf_init(&pkt, (unsigned char*)buf1, 10))
|| !TEST_false(PACKET_contains_zero_byte(&pkt))
|| !TEST_true(PACKET_buf_init(&pkt, (unsigned char*)buf2, 10))
|| !TEST_true(PACKET_contains_zero_byte(&pkt)))
return 0;
return 1;
}
static int test_PACKET_as_length_prefixed_2()
{
unsigned char buf[1024];
const size_t len = 516; /* 0x0204 */
unsigned int i;
PACKET pkt, exact_pkt, subpkt = {0};
for (i = 1; i <= 1024; i++)
buf[i-1] = (i * 2) & 0xff;
if (!TEST_true(PACKET_buf_init(&pkt, buf, 1024))
|| !TEST_true(PACKET_buf_init(&exact_pkt, buf, len + 2))
|| !TEST_false(PACKET_as_length_prefixed_2(&pkt, &subpkt))
|| !TEST_size_t_eq(PACKET_remaining(&pkt), 1024)
|| !TEST_true(PACKET_as_length_prefixed_2(&exact_pkt, &subpkt))
|| !TEST_size_t_eq(PACKET_remaining(&exact_pkt), 0)
|| !TEST_size_t_eq(PACKET_remaining(&subpkt), len))
return 0;
return 1;
}
static int test_PACKET_get_length_prefixed_3()
{
unsigned char buf1[1024];
const size_t len = 516; /* 0x000204 */
unsigned int i;
PACKET pkt, short_pkt, subpkt = {0};
for (i = 0; i < 1024; i++)
buf1[i] = (i * 2) & 0xff;
if (!TEST_true(PACKET_buf_init(&pkt, buf1, 1024))
|| !TEST_true(PACKET_buf_init(&short_pkt, buf1, len))
|| !TEST_true(PACKET_get_length_prefixed_3(&pkt, &subpkt))
|| !TEST_size_t_eq(PACKET_remaining(&subpkt), len)
|| !TEST_true(PACKET_get_net_2(&subpkt, &i))
|| !TEST_uint_eq(i, 0x0608)
|| !TEST_false(PACKET_get_length_prefixed_3(&short_pkt, &subpkt))
|| !TEST_size_t_eq(PACKET_remaining(&short_pkt), len))
return 0;
return 1;
}
static int test_PACKET_as_length_prefixed_1()
{
unsigned char buf1[BUF_LEN];
const size_t len = 16;
unsigned int i;
PACKET pkt, exact_pkt, subpkt = {0};
buf1[0] = len;
for (i = 1; i < BUF_LEN; i++)
buf1[i] = (i * 2) & 0xff;
if (!TEST_true(PACKET_buf_init(&pkt, buf1, BUF_LEN))
|| !TEST_true(PACKET_buf_init(&exact_pkt, buf1, len + 1))
|| !TEST_false(PACKET_as_length_prefixed_1(&pkt, &subpkt))
|| !TEST_size_t_eq(PACKET_remaining(&pkt), BUF_LEN)
|| !TEST_true(PACKET_as_length_prefixed_1(&exact_pkt, &subpkt)
|| !TEST_size_t_eq(PACKET_remaining(&exact_pkt), 0)
|| !TEST_size_t_eq(PACKET_remaining(&subpkt), len)))
return 0;
return 1;
}
static int test_PACKET_remaining()
{
PACKET pkt;
if (!TEST_true(PACKET_buf_init(&pkt, smbuf, sizeof(smbuf))
|| !TEST_size_t_eq(PACKET_remaining(&pkt), BUF_LEN)
|| !TEST_true(PACKET_forward(&pkt, BUF_LEN - 1))
|| !TEST_size_t_eq(PACKET_remaining(&pkt), 1)
|| !TEST_true(PACKET_forward(&pkt, 1))
|| !TEST_size_t_eq(PACKET_remaining(&pkt), 0)))
return 0;
return 1;
}
static int get_sni_from_client_hello(BIO *bio, char **sni)
{
long len;
unsigned char *data;
PACKET pkt = {0}, pkt2 = {0}, pkt3 = {0}, pkt4 = {0}, pkt5 = {0};
unsigned int servname_type = 0, type = 0;
int ret = 0;
len = BIO_get_mem_data(bio, (char **)&data);
if (!TEST_true(PACKET_buf_init(&pkt, data, len))
/* Skip the record header */
|| !PACKET_forward(&pkt, SSL3_RT_HEADER_LENGTH)
/* Skip the handshake message header */
|| !TEST_true(PACKET_forward(&pkt, SSL3_HM_HEADER_LENGTH))
/* Skip client version and random */
|| !TEST_true(PACKET_forward(&pkt, CLIENT_VERSION_LEN
+ SSL3_RANDOM_SIZE))
/* Skip session id */
|| !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2))
/* Skip ciphers */
|| !TEST_true(PACKET_get_length_prefixed_2(&pkt, &pkt2))
/* Skip compression */
|| !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2))
/* Extensions len */
|| !TEST_true(PACKET_as_length_prefixed_2(&pkt, &pkt2)))
goto end;
/* Loop through all extensions for SNI */
while (PACKET_remaining(&pkt2)) {
if (!TEST_true(PACKET_get_net_2(&pkt2, &type))
|| !TEST_true(PACKET_get_length_prefixed_2(&pkt2, &pkt3)))
goto end;
if (type == TLSEXT_TYPE_server_name) {
if (!TEST_true(PACKET_get_length_prefixed_2(&pkt3, &pkt4))
|| !TEST_uint_ne(PACKET_remaining(&pkt4), 0)
|| !TEST_true(PACKET_get_1(&pkt4, &servname_type))
|| !TEST_uint_eq(servname_type, TLSEXT_NAMETYPE_host_name)
|| !TEST_true(PACKET_get_length_prefixed_2(&pkt4, &pkt5))
|| !TEST_uint_le(PACKET_remaining(&pkt5), TLSEXT_MAXLEN_host_name)
|| !TEST_false(PACKET_contains_zero_byte(&pkt5))
|| !TEST_true(PACKET_strndup(&pkt5, sni)))
goto end;
ret = 1;
goto end;
}
}
end:
return ret;
}
static int test_PACKET_buf_init()
{
unsigned char buf[BUF_LEN];
size_t len;
PACKET pkt;
/* Also tests PACKET_get_len() */
if ( !PACKET_buf_init(&pkt, buf, 4)
|| !PACKET_length(&pkt, &len)
|| len != 4
|| !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_length(&pkt, &len)
|| len != BUF_LEN
|| pkt.end - pkt.start != BUF_LEN
|| pkt.end < pkt.start
|| pkt.curr < pkt.start
|| pkt.curr > pkt.end
|| PACKET_buf_init(&pkt, buf, -1)) {
fprintf(stderr, "test_PACKET_buf_init() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_remaining(unsigned char buf[BUF_LEN])
{
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| PACKET_remaining(&pkt) != BUF_LEN
|| !PACKET_forward(&pkt, BUF_LEN - 1)
|| PACKET_remaining(&pkt) != 1
|| !PACKET_forward(&pkt, 1)
|| PACKET_remaining(&pkt) != 0) {
fprintf(stderr, "test_PACKET_remaining() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_get_net_2()
{
unsigned int i;
PACKET pkt;
if (!TEST_true(PACKET_buf_init(&pkt, smbuf, BUF_LEN))
|| !TEST_true(PACKET_get_net_2(&pkt, &i))
|| !TEST_uint_eq(i, 0x0204)
|| !TEST_true(PACKET_forward(&pkt, BUF_LEN - 4))
|| !TEST_true(PACKET_get_net_2(&pkt, &i))
|| !TEST_uint_eq(i, 0xfcfe)
|| !TEST_false(PACKET_get_net_2(&pkt, &i)))
return 0;
return 1;
}
static int test_PACKET_get_net_3()
{
unsigned long i;
PACKET pkt;
if (!TEST_true(PACKET_buf_init(&pkt, smbuf, BUF_LEN))
|| !TEST_true(PACKET_get_net_3(&pkt, &i))
|| !TEST_ulong_eq(i, 0x020406UL)
|| !TEST_true(PACKET_forward(&pkt, BUF_LEN - 6))
|| !TEST_true(PACKET_get_net_3(&pkt, &i))
|| !TEST_ulong_eq(i, 0xfafcfeUL)
|| !TEST_false(PACKET_get_net_3(&pkt, &i)))
return 0;
return 1;
}
static int test_PACKET_copy_all()
{
unsigned char tmp[BUF_LEN];
PACKET pkt;
size_t len;
if (!TEST_true(PACKET_buf_init(&pkt, smbuf, BUF_LEN))
|| !TEST_true(PACKET_copy_all(&pkt, tmp, BUF_LEN, &len))
|| !TEST_size_t_eq(len, BUF_LEN)
|| !TEST_mem_eq(smbuf, BUF_LEN, tmp, BUF_LEN)
|| !TEST_size_t_eq(PACKET_remaining(&pkt), BUF_LEN)
|| !TEST_false(PACKET_copy_all(&pkt, tmp, BUF_LEN - 1, &len)))
return 0;
return 1;
}
static int test_PACKET_get_4()
{
unsigned long i;
PACKET pkt;
if (!TEST_true(PACKET_buf_init(&pkt, smbuf, BUF_LEN))
|| !TEST_true(PACKET_get_4(&pkt, &i))
|| !TEST_ulong_eq(i, 0x08060402UL)
|| !TEST_true(PACKET_forward(&pkt, BUF_LEN - 8))
|| !TEST_true(PACKET_get_4(&pkt, &i))
|| !TEST_ulong_eq(i, 0xfefcfaf8UL)
|| !TEST_false(PACKET_get_4(&pkt, &i)))
return 0;
return 1;
}
static int test_PACKET_forward()
{
const unsigned char *byte;
PACKET pkt;
if (!TEST_true(PACKET_buf_init(&pkt, smbuf, BUF_LEN))
|| !TEST_true(PACKET_forward(&pkt, 1))
|| !TEST_true(PACKET_get_bytes(&pkt, &byte, 1))
|| !TEST_uchar_eq(byte[0], 4)
|| !TEST_true(PACKET_forward(&pkt, BUF_LEN - 3))
|| !TEST_true(PACKET_get_bytes(&pkt, &byte, 1))
|| !TEST_uchar_eq(byte[0], 0xfe))
return 0;
return 1;
}
static int test_PACKET_get_net_3(unsigned char buf[BUF_LEN])
{
unsigned long i;
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_get_net_3(&pkt, &i)
|| i != 0x020406UL
|| !PACKET_forward(&pkt, BUF_LEN - 6)
|| !PACKET_get_net_3(&pkt, &i)
|| i != 0xfafcfeUL
|| PACKET_get_net_3(&pkt, &i)) {
fprintf(stderr, "test_PACKET_get_net_3() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_get_4(unsigned char buf[BUF_LEN])
{
unsigned long i;
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_get_4(&pkt, &i)
|| i != 0x08060402UL
|| !PACKET_forward(&pkt, BUF_LEN - 8)
|| !PACKET_get_4(&pkt, &i)
|| i != 0xfefcfaf8UL
|| PACKET_get_4(&pkt, &i)) {
fprintf(stderr, "test_PACKET_get_4() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_get_1(unsigned char buf[BUF_LEN])
{
unsigned int i;
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_get_1(&pkt, &i)
|| i != 0x02
|| !PACKET_forward(&pkt, BUF_LEN - 2)
|| !PACKET_get_1(&pkt, &i)
|| i != 0xfe
|| PACKET_get_1(&pkt, &i)) {
fprintf(stderr, "test_PACKET_get_1() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_forward(unsigned char buf[BUF_LEN])
{
unsigned char *byte;
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_forward(&pkt, 1)
|| !PACKET_get_bytes(&pkt, &byte, 1)
|| byte[0] != 4
|| !PACKET_forward(&pkt, BUF_LEN - 3)
|| !PACKET_get_bytes(&pkt, &byte, 1)
|| byte[0] != 0xfe) {
fprintf(stderr, "test_PACKET_forward() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_get_sub_packet()
{
PACKET pkt, subpkt;
unsigned long i;
if (!TEST_true(PACKET_buf_init(&pkt, smbuf, BUF_LEN))
|| !TEST_true(PACKET_get_sub_packet(&pkt, &subpkt, 4))
|| !TEST_true(PACKET_get_net_4(&subpkt, &i))
|| !TEST_ulong_eq(i, 0x02040608UL)
|| !TEST_size_t_eq(PACKET_remaining(&subpkt), 0)
|| !TEST_true(PACKET_forward(&pkt, BUF_LEN - 8))
|| !TEST_true(PACKET_get_sub_packet(&pkt, &subpkt, 4))
|| !TEST_true(PACKET_get_net_4(&subpkt, &i))
|| !TEST_ulong_eq(i, 0xf8fafcfeUL)
|| !TEST_size_t_eq(PACKET_remaining(&subpkt), 0)
|| !TEST_false(PACKET_get_sub_packet(&pkt, &subpkt, 4)))
return 0;
return 1;
}
static int test_PACKET_memdup()
{
unsigned char *data = NULL;
size_t len;
PACKET pkt;
int result = 0;
if (!TEST_true(PACKET_buf_init(&pkt, smbuf, BUF_LEN))
|| !TEST_true(PACKET_memdup(&pkt, &data, &len))
|| !TEST_size_t_eq(len, BUF_LEN)
|| !TEST_mem_eq(data, len, PACKET_data(&pkt), len)
|| !TEST_true(PACKET_forward(&pkt, 10))
|| !TEST_true(PACKET_memdup(&pkt, &data, &len))
|| !TEST_size_t_eq(len, BUF_LEN - 10)
|| !TEST_mem_eq(data, len, PACKET_data(&pkt), len))
goto end;
result = 1;
end:
OPENSSL_free(data);
return result;
}
static int test_PACKET_copy_bytes(unsigned char buf[BUF_LEN])
{
unsigned char bytes[4];
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_copy_bytes(&pkt, bytes, 4)
|| bytes[0] != 2 || bytes[1] != 4
|| bytes[2] != 6 || bytes[3] != 8
|| PACKET_remaining(&pkt) != BUF_LEN - 4
|| !PACKET_forward(&pkt, BUF_LEN - 8)
|| !PACKET_copy_bytes(&pkt, bytes, 4)
|| bytes[0] != 0xf8 || bytes[1] != 0xfa
|| bytes[2] != 0xfc || bytes[3] != 0xfe
|| PACKET_remaining(&pkt)) {
fprintf(stderr, "test_PACKET_copy_bytes() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_get_sub_packet(unsigned char buf[BUF_LEN])
{
PACKET pkt, subpkt;
unsigned long i;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_get_sub_packet(&pkt, &subpkt, 4)
|| !PACKET_get_net_4(&subpkt, &i)
|| i != 0x02040608UL
|| PACKET_remaining(&subpkt)
|| !PACKET_forward(&pkt, BUF_LEN - 8)
|| !PACKET_get_sub_packet(&pkt, &subpkt, 4)
|| !PACKET_get_net_4(&subpkt, &i)
|| i != 0xf8fafcfeUL
|| PACKET_remaining(&subpkt)
|| PACKET_get_sub_packet(&pkt, &subpkt, 4)) {
fprintf(stderr, "test_PACKET_get_sub_packet() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_memdup(unsigned char buf[BUF_LEN])
{
unsigned char *data = NULL;
size_t len;
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_memdup(&pkt, &data, &len)
|| len != BUF_LEN
|| memcmp(data, PACKET_data(&pkt), len)
|| !PACKET_forward(&pkt, 10)
|| !PACKET_memdup(&pkt, &data, &len)
|| len != BUF_LEN - 10
|| memcmp(data, PACKET_data(&pkt), len)) {
fprintf(stderr, "test_PACKET_memdup() failed\n");
OPENSSL_free(data);
return 0;
}
OPENSSL_free(data);
return 1;
}
static int test_PACKET_copy_bytes()
{
unsigned char bytes[4];
PACKET pkt;
if (!TEST_true(PACKET_buf_init(&pkt, smbuf, BUF_LEN))
|| !TEST_true(PACKET_copy_bytes(&pkt, bytes, 4))
|| !TEST_char_eq(bytes[0], 2)
|| !TEST_char_eq(bytes[1], 4)
|| !TEST_char_eq(bytes[2], 6)
|| !TEST_char_eq(bytes[3], 8)
|| !TEST_size_t_eq(PACKET_remaining(&pkt), BUF_LEN - 4)
|| !TEST_true(PACKET_forward(&pkt, BUF_LEN - 8))
|| !TEST_true(PACKET_copy_bytes(&pkt, bytes, 4))
|| !TEST_uchar_eq(bytes[0], 0xf8)
|| !TEST_uchar_eq(bytes[1], 0xfa)
|| !TEST_uchar_eq(bytes[2], 0xfc)
|| !TEST_uchar_eq(bytes[3], 0xfe)
|| !TEST_false(PACKET_remaining(&pkt)))
return 0;
return 1;
}
int main(int argc, char **argv)
{
unsigned char buf[BUF_LEN];
unsigned int i;
size_t start = 0;
PACKET pkt;
for (i=1; i<=BUF_LEN; i++) {
buf[i-1] = (i * 2) & 0xff;
}
i = 0;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_get_bookmark(&pkt, &start)) {
fprintf(stderr, "setup failed\n");
return 0;
}
if ( !test_PACKET_buf_init()
|| !test_PACKET_remaining(&pkt)
|| !test_PACKET_get_1(&pkt, start)
|| !test_PACKET_get_4(&pkt, start)
|| !test_PACKET_get_net_2(&pkt, start)
|| !test_PACKET_get_net_3(&pkt, start)
|| !test_PACKET_get_net_4(&pkt, start)
|| !test_PACKET_get_sub_packet(&pkt, start)
|| !test_PACKET_get_bytes(&pkt, start)
|| !test_PACKET_copy_bytes(&pkt, start)
|| !test_PACKET_move_funcs(&pkt, start)
|| !test_PACKET_get_length_prefixed_1()
|| !test_PACKET_get_length_prefixed_2()
|| !test_PACKET_get_length_prefixed_3()) {
return 1;
}
printf("PASS\n");
return 0;
}