void rdp_free(rdpRdp* rdp)
{
if (rdp != NULL)
{
crypto_rc4_free(rdp->rc4_decrypt_key);
crypto_rc4_free(rdp->rc4_encrypt_key);
crypto_des3_free(rdp->fips_encrypt);
crypto_des3_free(rdp->fips_decrypt);
crypto_hmac_free(rdp->fips_hmac);
freerdp_settings_free(rdp->settings);
extension_free(rdp->extension);
transport_free(rdp->transport);
license_free(rdp->license);
input_free(rdp->input);
update_free(rdp->update);
fastpath_free(rdp->fastpath);
nego_free(rdp->nego);
mcs_free(rdp->mcs);
redirection_free(rdp->redirection);
mppc_dec_free(rdp->mppc_dec);
mppc_enc_free(rdp->mppc_enc);
free(rdp);
}
}
void test_mppc_enc(void)
{
int data_len;
int fd;
int bytes_read;
int total = 0;
int clen = 0;
int block_num = 0;
/* needed by encoder */
struct rdp_mppc_enc* enc;
char buf[BUF_SIZE];
/* needed by decoder */
struct rdp_mppc_dec* rmppc;
uint32 roff;
uint32 rlen;
/* required for timing the test */
struct timeval start_time;
struct timeval end_time;
long int dur;
/* setup decoder */
rmppc = mppc_dec_new();
/* setup encoder for RDP 5.0 */
CU_ASSERT((enc = mppc_enc_new(PROTO_RDP_50)) != NULL);
srand(time(0));
/* open image file with pixel data */
fd = open("nature.bmp", O_RDONLY);
if (fd > 0)
{
printf("\ntest_mppc_enc: compressing data from file nature.bmp\n");
/* save starting time */
gettimeofday(&start_time, NULL);
/* compress block, decompress it then compare with original data */
while ((bytes_read = read(fd, buf, get_random(BUF_SIZE))) > 0)
{
block_num++;
total += bytes_read;
DLOG(("block_num=%d\n", block_num));
CU_ASSERT(compress_rdp(enc, (uint8*) buf, bytes_read) != false);
if (enc->flags & PACKET_COMPRESSED)
{
DLOG(("%d bytes compressed to %d\n", bytes_read, enc->bytes_in_opb));
clen += enc->bytes_in_opb;
CU_ASSERT(decompress_rdp_5(rmppc, (uint8 *) enc->outputBuffer,
enc->bytes_in_opb, enc->flags, &roff, &rlen) != false);
CU_ASSERT(bytes_read == rlen);
CU_ASSERT(memcmp(buf, &rmppc->history_buf[roff], rlen) == 0);
}
else
{
clen += bytes_read;
DLOG(("not compressed\n"));
}
}
/* get end time */
gettimeofday(&end_time, NULL);
/* print compression stats */
printf("test_mppc_enc: raw_len=%d compressed_len=%d compression_ratio=%f\n",
total, clen, (float) total / (float) clen);
/* print time taken */
dur = ((end_time.tv_sec - start_time.tv_sec) * 1000000) + (end_time.tv_usec - start_time.tv_usec);
printf("test_mppc_enc: compressed %d bytes in %f seconds\n", total, (float) (dur) / 1000000.0F);
}
else
{
data_len = sizeof(decompressed_rd5_data);
printf("\ntest_mppc_enc: testing with embedded data of %d bytes\n", data_len);
/* save starting time */
gettimeofday(&start_time, NULL);
CU_ASSERT(compress_rdp(enc, (uint8*) decompressed_rd5_data, data_len) != false);
if (enc->flags & PACKET_COMPRESSED)
{
CU_ASSERT(decompress_rdp_5(rmppc, (uint8 *) enc->outputBuffer,
enc->bytes_in_opb, enc->flags, &roff, &rlen) != false);
CU_ASSERT(data_len == rlen);
CU_ASSERT(memcmp(decompressed_rd5_data, &rmppc->history_buf[roff], rlen) == 0);
}
else
{
DLOG(("not compressed\n"));
}
/* get end time */
gettimeofday(&end_time, NULL);
/* print time taken */
dur = ((end_time.tv_sec - start_time.tv_sec) * 1000000) + (end_time.tv_usec - start_time.tv_usec);
printf("test_mppc_enc: compressed %d bytes in %f seconds\n", data_len, (float) (dur) / 1000000.0F);
}
if (fd > 0)
{
close(fd);
}
mppc_enc_free(enc);
mppc_dec_free(rmppc);
}
