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Implemented FMS encryption. Dat betekend werkend H264 en AAC, bitches!

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This commit is contained in:
Thulinma 2010-08-24 16:17:19 +02:00
parent 94f587563c
commit 471de8614f
7 changed files with 671 additions and 12 deletions
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2
Connector_RTMP/Makefile
View file

@ -6,7 +6,7 @@ CCFLAGS = -Wall -Wextra -funsigned-char -g
CC = $(CROSS)g++ CC = $(CROSS)g++
LD = $(CROSS)ld LD = $(CROSS)ld
AR = $(CROSS)ar AR = $(CROSS)ar
LIBS = LIBS = -lssl -lcrypto
.SUFFIXES: .cpp .SUFFIXES: .cpp
.PHONY: clean default .PHONY: clean default
default: $(OUT) default: $(OUT)

506
Connector_RTMP/crypto.cpp Normal file
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@ -0,0 +1,506 @@
#define STR(x) (((std::string)(x)).c_str())
#include "crypto.h"
#define P768 \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A63A3620FFFFFFFFFFFFFFFF"
#define P1024 \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381" \
"FFFFFFFFFFFFFFFF"
#define Q1024 \
"7FFFFFFFFFFFFFFFE487ED5110B4611A62633145C06E0E68" \
"948127044533E63A0105DF531D89CD9128A5043CC71A026E" \
"F7CA8CD9E69D218D98158536F92F8A1BA7F09AB6B6A8E122" \
"F242DABB312F3F637A262174D31BF6B585FFAE5B7A035BF6" \
"F71C35FDAD44CFD2D74F9208BE258FF324943328F67329C0" \
"FFFFFFFFFFFFFFFF"
#define P1536 \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
"83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
"670C354E4ABC9804F1746C08CA237327FFFFFFFFFFFFFFFF"
#define P2048 \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
"83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
"670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
"E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
"DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
"15728E5A8AACAA68FFFFFFFFFFFFFFFF"
#define P3072 \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
"83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
"670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
"E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
"DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
"15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64" \
"ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7" \
"ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B" \
"F12FFA06D98A0864D87602733EC86A64521F2B18177B200C" \
"BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31" \
"43DB5BFCE0FD108E4B82D120A93AD2CAFFFFFFFFFFFFFFFF"
#define P4096 \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
"83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
"670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
"E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
"DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
"15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64" \
"ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7" \
"ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B" \
"F12FFA06D98A0864D87602733EC86A64521F2B18177B200C" \
"BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31" \
"43DB5BFCE0FD108E4B82D120A92108011A723C12A787E6D7" \
"88719A10BDBA5B2699C327186AF4E23C1A946834B6150BDA" \
"2583E9CA2AD44CE8DBBBC2DB04DE8EF92E8EFC141FBECAA6" \
"287C59474E6BC05D99B2964FA090C3A2233BA186515BE7ED" \
"1F612970CEE2D7AFB81BDD762170481CD0069127D5B05AA9" \
"93B4EA988D8FDDC186FFB7DC90A6C08F4DF435C934063199" \
"FFFFFFFFFFFFFFFF"
#define P6144 \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
"83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
"670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
"E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
"DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
"15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64" \
"ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7" \
"ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B" \
"F12FFA06D98A0864D87602733EC86A64521F2B18177B200C" \
"BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31" \
"43DB5BFCE0FD108E4B82D120A92108011A723C12A787E6D7" \
"88719A10BDBA5B2699C327186AF4E23C1A946834B6150BDA" \
"2583E9CA2AD44CE8DBBBC2DB04DE8EF92E8EFC141FBECAA6" \
"287C59474E6BC05D99B2964FA090C3A2233BA186515BE7ED" \
"1F612970CEE2D7AFB81BDD762170481CD0069127D5B05AA9" \
"93B4EA988D8FDDC186FFB7DC90A6C08F4DF435C934028492" \
"36C3FAB4D27C7026C1D4DCB2602646DEC9751E763DBA37BD" \
"F8FF9406AD9E530EE5DB382F413001AEB06A53ED9027D831" \
"179727B0865A8918DA3EDBEBCF9B14ED44CE6CBACED4BB1B" \
"DB7F1447E6CC254B332051512BD7AF426FB8F401378CD2BF" \
"5983CA01C64B92ECF032EA15D1721D03F482D7CE6E74FEF6" \
"D55E702F46980C82B5A84031900B1C9E59E7C97FBEC7E8F3" \
"23A97A7E36CC88BE0F1D45B7FF585AC54BD407B22B4154AA" \
"CC8F6D7EBF48E1D814CC5ED20F8037E0A79715EEF29BE328" \
"06A1D58BB7C5DA76F550AA3D8A1FBFF0EB19CCB1A313D55C" \
"DA56C9EC2EF29632387FE8D76E3C0468043E8F663F4860EE" \
"12BF2D5B0B7474D6E694F91E6DCC4024FFFFFFFFFFFFFFFF"
#define P8192 \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
"83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
"670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
"E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
"DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
"15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64" \
"ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7" \
"ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B" \
"F12FFA06D98A0864D87602733EC86A64521F2B18177B200C" \
"BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31" \
"43DB5BFCE0FD108E4B82D120A92108011A723C12A787E6D7" \
"88719A10BDBA5B2699C327186AF4E23C1A946834B6150BDA" \
"2583E9CA2AD44CE8DBBBC2DB04DE8EF92E8EFC141FBECAA6" \
"287C59474E6BC05D99B2964FA090C3A2233BA186515BE7ED" \
"1F612970CEE2D7AFB81BDD762170481CD0069127D5B05AA9" \
"93B4EA988D8FDDC186FFB7DC90A6C08F4DF435C934028492" \
"36C3FAB4D27C7026C1D4DCB2602646DEC9751E763DBA37BD" \
"F8FF9406AD9E530EE5DB382F413001AEB06A53ED9027D831" \
"179727B0865A8918DA3EDBEBCF9B14ED44CE6CBACED4BB1B" \
"DB7F1447E6CC254B332051512BD7AF426FB8F401378CD2BF" \
"5983CA01C64B92ECF032EA15D1721D03F482D7CE6E74FEF6" \
"D55E702F46980C82B5A84031900B1C9E59E7C97FBEC7E8F3" \
"23A97A7E36CC88BE0F1D45B7FF585AC54BD407B22B4154AA" \
"CC8F6D7EBF48E1D814CC5ED20F8037E0A79715EEF29BE328" \
"06A1D58BB7C5DA76F550AA3D8A1FBFF0EB19CCB1A313D55C" \
"DA56C9EC2EF29632387FE8D76E3C0468043E8F663F4860EE" \
"12BF2D5B0B7474D6E694F91E6DBE115974A3926F12FEE5E4" \
"38777CB6A932DF8CD8BEC4D073B931BA3BC832B68D9DD300" \
"741FA7BF8AFC47ED2576F6936BA424663AAB639C5AE4F568" \
"3423B4742BF1C978238F16CBE39D652DE3FDB8BEFC848AD9" \
"22222E04A4037C0713EB57A81A23F0C73473FC646CEA306B" \
"4BCBC8862F8385DDFA9D4B7FA2C087E879683303ED5BDD3A" \
"062B3CF5B3A278A66D2A13F83F44F82DDF310EE074AB6A36" \
"4597E899A0255DC164F31CC50846851DF9AB48195DED7EA1" \
"B1D510BD7EE74D73FAF36BC31ECFA268359046F4EB879F92" \
"4009438B481C6CD7889A002ED5EE382BC9190DA6FC026E47" \
"9558E4475677E9AA9E3050E2765694DFC81F56E880B96E71" \
"60C980DD98EDD3DFFFFFFFFFFFFFFFFF"
uint8_t genuineFMSKey[] = {
0x47, 0x65, 0x6e, 0x75, 0x69, 0x6e, 0x65, 0x20,
0x41, 0x64, 0x6f, 0x62, 0x65, 0x20, 0x46, 0x6c,
0x61, 0x73, 0x68, 0x20, 0x4d, 0x65, 0x64, 0x69,
0x61, 0x20, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72,
0x20, 0x30, 0x30, 0x31, // Genuine Adobe Flash Media Server 001
0xf0, 0xee, 0xc2, 0x4a, 0x80, 0x68, 0xbe, 0xe8,
0x2e, 0x00, 0xd0, 0xd1, 0x02, 0x9e, 0x7e, 0x57,
0x6e, 0xec, 0x5d, 0x2d, 0x29, 0x80, 0x6f, 0xab,
0x93, 0xb8, 0xe6, 0x36, 0xcf, 0xeb, 0x31, 0xae
}; // 68
uint8_t genuineFPKey[] = {
0x47, 0x65, 0x6E, 0x75, 0x69, 0x6E, 0x65, 0x20,
0x41, 0x64, 0x6F, 0x62, 0x65, 0x20, 0x46, 0x6C,
0x61, 0x73, 0x68, 0x20, 0x50, 0x6C, 0x61, 0x79,
0x65, 0x72, 0x20, 0x30, 0x30, 0x31, // Genuine Adobe Flash Player 001
0xF0, 0xEE, 0xC2, 0x4A, 0x80, 0x68, 0xBE, 0xE8,
0x2E, 0x00, 0xD0, 0xD1, 0x02, 0x9E, 0x7E, 0x57,
0x6E, 0xEC, 0x5D, 0x2D, 0x29, 0x80, 0x6F, 0xAB,
0x93, 0xB8, 0xE6, 0x36, 0xCF, 0xEB, 0x31, 0xAE
}; // 62
void replace(std::string &target, std::string search, std::string replacement) {
if (search == replacement)
return;
if (search == "")
return;
std::string::size_type i = std::string::npos;
while ((i = target.find(search)) != std::string::npos) {
target.replace(i, search.length(), replacement);
}
}
DHWrapper::DHWrapper(int32_t bitsCount) {
_bitsCount = bitsCount;
_pDH = NULL;
_pSharedKey = NULL;
_sharedKeyLength = 0;
_peerPublickey = NULL;
}
DHWrapper::~DHWrapper() {
Cleanup();
}
bool DHWrapper::Initialize() {
Cleanup();
//1. Create the DH
_pDH = DH_new();
if (_pDH == NULL) {
Cleanup();
return false;
}
//2. Create his internal p and g
_pDH->p = BN_new();
if (_pDH->p == NULL) {
Cleanup();
return false;
}
_pDH->g = BN_new();
if (_pDH->g == NULL) {
Cleanup();
return false;
}
//3. initialize p, g and key length
if (BN_hex2bn(&_pDH->p, P1024) == 0) {
Cleanup();
return false;
}
if (BN_set_word(_pDH->g, 2) != 1) {
Cleanup();
return false;
}
//4. Set the key length
_pDH->length = _bitsCount;
//5. Generate private and public key
if (DH_generate_key(_pDH) != 1) {
Cleanup();
return false;
}
return true;
}
bool DHWrapper::CopyPublicKey(uint8_t *pDst, int32_t dstLength) {
if (_pDH == NULL) {
return false;
}
return CopyKey(_pDH->pub_key, pDst, dstLength);
}
bool DHWrapper::CopyPrivateKey(uint8_t *pDst, int32_t dstLength) {
if (_pDH == NULL) {
return false;
}
return CopyKey(_pDH->priv_key, pDst, dstLength);
}
bool DHWrapper::CreateSharedKey(uint8_t *pPeerPublicKey, int32_t length) {
if (_pDH == NULL) {
return false;
}
if (_sharedKeyLength != 0 || _pSharedKey != NULL) {
return false;
}
_sharedKeyLength = DH_size(_pDH);
if (_sharedKeyLength <= 0 || _sharedKeyLength > 1024) {
return false;
}
_pSharedKey = new uint8_t[_sharedKeyLength];
_peerPublickey = BN_bin2bn(pPeerPublicKey, length, 0);
if (_peerPublickey == NULL) {
return false;
}
if (DH_compute_key(_pSharedKey, _peerPublickey, _pDH) != _sharedKeyLength) {
return false;
}
return true;
}
bool DHWrapper::CopySharedKey(uint8_t *pDst, int32_t dstLength) {
if (_pDH == NULL) {
return false;
}
if (dstLength != _sharedKeyLength) {
return false;
}
memcpy(pDst, _pSharedKey, _sharedKeyLength);
return true;
}
void DHWrapper::Cleanup() {
if (_pDH != NULL) {
if (_pDH->p != NULL) {
BN_free(_pDH->p);
_pDH->p = NULL;
}
if (_pDH->g != NULL) {
BN_free(_pDH->g);
_pDH->g = NULL;
}
DH_free(_pDH);
_pDH = NULL;
}
if (_pSharedKey != NULL) {
delete[] _pSharedKey;
_pSharedKey = NULL;
}
_sharedKeyLength = 0;
if (_peerPublickey != NULL) {
BN_free(_peerPublickey);
_peerPublickey = NULL;
}
}
bool DHWrapper::CopyKey(BIGNUM *pNum, uint8_t *pDst, int32_t dstLength) {
int32_t keySize = BN_num_bytes(pNum);
if ((keySize <= 0) || (dstLength <= 0) || (keySize > dstLength)) {
return false;
}
if (BN_bn2bin(pNum, pDst) != keySize) {
return false;
}
return true;
}
void InitRC4Encryption(uint8_t *secretKey, uint8_t *pubKeyIn, uint8_t *pubKeyOut, RC4_KEY *rc4keyIn, RC4_KEY *rc4keyOut) {
uint8_t digest[SHA256_DIGEST_LENGTH];
unsigned int digestLen = 0;
HMAC_CTX ctx;
HMAC_CTX_init(&ctx);
HMAC_Init_ex(&ctx, secretKey, 128, EVP_sha256(), 0);
HMAC_Update(&ctx, pubKeyIn, 128);
HMAC_Final(&ctx, digest, &digestLen);
HMAC_CTX_cleanup(&ctx);
RC4_set_key(rc4keyOut, 16, digest);
HMAC_CTX_init(&ctx);
HMAC_Init_ex(&ctx, secretKey, 128, EVP_sha256(), 0);
HMAC_Update(&ctx, pubKeyOut, 128);
HMAC_Final(&ctx, digest, &digestLen);
HMAC_CTX_cleanup(&ctx);
RC4_set_key(rc4keyIn, 16, digest);
}
std::string md5(std::string source, bool textResult) {
EVP_MD_CTX mdctx;
unsigned char md_value[EVP_MAX_MD_SIZE];
unsigned int md_len;
EVP_DigestInit(&mdctx, EVP_md5());
EVP_DigestUpdate(&mdctx, STR(source), source.length());
EVP_DigestFinal_ex(&mdctx, md_value, &md_len);
EVP_MD_CTX_cleanup(&mdctx);
if (textResult) {
std::string result = "";
char tmp[3];
for (uint32_t i = 0; i < md_len; i++) {
sprintf(tmp, "%02x", md_value[i]);
result += tmp;
}
return result;
} else {
return std::string((char *) md_value, md_len);
}
}
std::string b64(std::string source) {
return b64((uint8_t *) STR(source), source.size());
}
std::string b64(uint8_t *pBuffer, uint32_t length) {
BIO *bmem;
BIO *b64;
BUF_MEM *bptr;
b64 = BIO_new(BIO_f_base64());
bmem = BIO_new(BIO_s_mem());
b64 = BIO_push(b64, bmem);
BIO_write(b64, pBuffer, length);
std::string result = "";
if (BIO_flush(b64) == 1) {
BIO_get_mem_ptr(b64, &bptr);
result = std::string(bptr->data, bptr->length);
}
BIO_free_all(b64);
replace(result, "\n", "");
replace(result, "\r", "");
return result;
}
std::string unb64(std::string source) {
return unb64((uint8_t *)STR(source),source.length());
}
std::string unb64(uint8_t *pBuffer, uint32_t length){
// create a memory buffer containing base64 encoded data
//BIO* bmem = BIO_new_mem_buf((void*) STR(source), source.length());
BIO* bmem = BIO_new_mem_buf((void *)pBuffer, length);
// push a Base64 filter so that reading from buffer decodes it
BIO *bioCmd = BIO_new(BIO_f_base64());
// we don't want newlines
BIO_set_flags(bioCmd, BIO_FLAGS_BASE64_NO_NL);
bmem = BIO_push(bioCmd, bmem);
char *pOut = new char[length];
int finalLen = BIO_read(bmem, (void*) pOut, length);
BIO_free_all(bmem);
std::string result(pOut, finalLen);
delete[] pOut;
return result;
}
void HMACsha256(const void *pData, uint32_t dataLength, const void *pKey, uint32_t keyLength, void *pResult) {
unsigned int digestLen;
HMAC_CTX ctx;
HMAC_CTX_init(&ctx);
HMAC_Init_ex(&ctx, (unsigned char*) pKey, keyLength, EVP_sha256(), NULL);
HMAC_Update(&ctx, (unsigned char *) pData, dataLength);
HMAC_Final(&ctx, (unsigned char *) pResult, &digestLen);
HMAC_CTX_cleanup(&ctx);
}
uint32_t GetDigestOffset0(uint8_t *pBuffer) {
uint32_t offset = pBuffer[8] + pBuffer[9] + pBuffer[10] + pBuffer[11];
return (offset % 728) + 12;
}
uint32_t GetDigestOffset1(uint8_t *pBuffer) {
uint32_t offset = pBuffer[772] + pBuffer[773] + pBuffer[774] + pBuffer[775];
return (offset % 728) + 776;
}
uint32_t GetDigestOffset(uint8_t *pBuffer, uint8_t scheme){
if (scheme == 0){return GetDigestOffset0(pBuffer);}else{return GetDigestOffset1(pBuffer);}
}
uint32_t GetDHOffset0(uint8_t *pBuffer) {
uint32_t offset = pBuffer[1532] + pBuffer[1533] + pBuffer[1534] + pBuffer[1535];
return (offset % 632) + 772;
}
uint32_t GetDHOffset1(uint8_t *pBuffer) {
uint32_t offset = pBuffer[768] + pBuffer[769] + pBuffer[770] + pBuffer[771];
return (offset % 632) + 8;
}
uint32_t GetDHOffset(uint8_t *pBuffer, uint8_t scheme){
if (scheme == 0){return GetDHOffset0(pBuffer);}else{return GetDHOffset1(pBuffer);}
}
bool ValidateClientScheme(uint8_t * pBuffer, uint8_t scheme) {
uint32_t clientDigestOffset = GetDigestOffset(pBuffer, scheme);
uint8_t *pTempBuffer = new uint8_t[1536 - 32];
memcpy(pTempBuffer, pBuffer, clientDigestOffset);
memcpy(pTempBuffer + clientDigestOffset, pBuffer + clientDigestOffset + 32, 1536 - clientDigestOffset - 32);
uint8_t *pTempHash = new uint8_t[512];
HMACsha256(pTempBuffer, 1536 - 32, genuineFPKey, 30, pTempHash);
bool result = (memcmp(pBuffer+clientDigestOffset, pTempHash, 32) == 0);
#ifdef DEBUG
fprintf(stderr, "Client scheme validation %hhi %s\n", scheme, result?"success":"failed");
#endif
delete[] pTempBuffer;
delete[] pTempHash;
return result;
}

45
Connector_RTMP/crypto.h Normal file
View file

@ -0,0 +1,45 @@
#ifndef _CRYPTO_H
#define _CRYPTO_H
#define DLLEXP
#include <openssl/bn.h>
#include <openssl/dh.h>
#include <openssl/rc4.h>
#include <openssl/ssl.h>
#include <openssl/rand.h>
#include <openssl/err.h>
#include <openssl/bio.h>
#include <openssl/hmac.h>
class DLLEXP DHWrapper {
private:
int32_t _bitsCount;
DH *_pDH;
uint8_t *_pSharedKey;
int32_t _sharedKeyLength;
BIGNUM *_peerPublickey;
public:
DHWrapper(int32_t bitsCount);
virtual ~DHWrapper();
bool Initialize();
bool CopyPublicKey(uint8_t *pDst, int32_t dstLength);
bool CopyPrivateKey(uint8_t *pDst, int32_t dstLength);
bool CreateSharedKey(uint8_t *pPeerPublicKey, int32_t length);
bool CopySharedKey(uint8_t *pDst, int32_t dstLength);
private:
void Cleanup();
bool CopyKey(BIGNUM *pNum, uint8_t *pDst, int32_t dstLength);
};
DLLEXP void InitRC4Encryption(uint8_t *secretKey, uint8_t *pubKeyIn, uint8_t *pubKeyOut,
RC4_KEY *rc4keyIn, RC4_KEY *rc4keyOut);
DLLEXP std::string md5(std::string source, bool textResult);
DLLEXP std::string b64(std::string source);
DLLEXP std::string b64(uint8_t *pBuffer, uint32_t length);
DLLEXP std::string unb64(std::string source);
DLLEXP std::string unb64(uint8_t *pBuffer, uint32_t length);
#endif /* _CRYPTO_H */

97
Connector_RTMP/handshake.cpp
View file

@ -1,13 +1,15 @@
#undef OLDHANDSHAKE //change to #define for old handshake method
char versionstring[] = "PLSRTMPServer";
#ifdef OLDHANDSHAKE
struct Handshake { struct Handshake {
char Time[4]; char Time[4];
char Zero[4]; char Zero[4];
char Random[1528]; char Random[1528];
};//Handshake };//Handshake
char versionstring[] = "PLSRTMPServer"; bool doHandshake(){
void doHandshake(){
srand(time(NULL));
char Version; char Version;
Handshake Client; Handshake Client;
Handshake Server; Handshake Server;
@ -45,4 +47,91 @@ void doHandshake(){
fread(Client.Zero, 1, 4, stdin); fread(Client.Zero, 1, 4, stdin);
fread(Client.Random, 1, 1528, stdin); fread(Client.Random, 1, 1528, stdin);
rec_cnt+=1536; rec_cnt+=1536;
return true;
}//doHandshake }//doHandshake
#else
#include "crypto.cpp" //cryptography for handshaking
bool doHandshake(){
char Version;
/** Read C0 **/
fread(&Version, 1, 1, stdin);
uint8_t Client[1536];
uint8_t Server[3072];
fread(&Client, 1, 1536, stdin);
rec_cnt+=1537;
/** Build S1 Packet **/
*((uint32_t*)Server) = 0;//time zero
*(((uint32_t*)(Server+4))) = htonl(0x01020304);//version 1 2 3 4
for (int i = 8; i < 3072; ++i){Server[i] = versionstring[i%13];}//"random" data
bool encrypted = (Version == 6);
#ifdef DEBUG
fprintf(stderr, "Handshake version is %hhi\n", Version);
#endif
uint8_t _validationScheme = 5;
if (ValidateClientScheme(Client, 0)) _validationScheme = 0;
if (ValidateClientScheme(Client, 1)) _validationScheme = 1;
#ifdef DEBUG
fprintf(stderr, "Handshake type is %hhi, encryption is %s\n", _validationScheme, encrypted?"on":"off");
#endif
//**** FIRST 1536 bytes from server response ****//
//compute DH key position
uint32_t serverDHOffset = GetDHOffset(Server, _validationScheme);
uint32_t clientDHOffset = GetDHOffset(Client, _validationScheme);
//generate DH key
DHWrapper dhWrapper(1024);
if (!dhWrapper.Initialize()) return false;
if (!dhWrapper.CreateSharedKey(Client + clientDHOffset, 128)) return false;
if (!dhWrapper.CopyPublicKey(Server + serverDHOffset, 128)) return false;
if (encrypted) {
uint8_t secretKey[128];
if (!dhWrapper.CopySharedKey(secretKey, sizeof (secretKey))) return false;
RC4_KEY _pKeyIn;
RC4_KEY _pKeyOut;
InitRC4Encryption(secretKey, (uint8_t*) & Client[clientDHOffset], (uint8_t*) & Server[serverDHOffset], &_pKeyIn, &_pKeyOut);
uint8_t data[1536];
RC4(&_pKeyIn, 1536, data, data);
RC4(&_pKeyOut, 1536, data, data);
}
//generate the digest
uint32_t serverDigestOffset = GetDigestOffset(Server, _validationScheme);
uint8_t *pTempBuffer = new uint8_t[1536 - 32];
memcpy(pTempBuffer, Server, serverDigestOffset);
memcpy(pTempBuffer + serverDigestOffset, Server + serverDigestOffset + 32, 1536 - serverDigestOffset - 32);
uint8_t *pTempHash = new uint8_t[512];
HMACsha256(pTempBuffer, 1536 - 32, genuineFMSKey, 36, pTempHash);
memcpy(Server + serverDigestOffset, pTempHash, 32);
delete[] pTempBuffer;
delete[] pTempHash;
//**** SECOND 1536 bytes from server response ****//
uint32_t keyChallengeIndex = GetDigestOffset(Client, _validationScheme);
pTempHash = new uint8_t[512];
HMACsha256(Client + keyChallengeIndex, 32, genuineFMSKey, 68, pTempHash);
uint8_t *pLastHash = new uint8_t[512];
HMACsha256(Server + 1536, 1536 - 32, pTempHash, 32, pLastHash);
memcpy(Server + 1536 * 2 - 32, pLastHash, 32);
delete[] pTempHash;
delete[] pLastHash;
//***** DONE BUILDING THE RESPONSE ***//
/** Send response **/
fwrite(&Version, 1, 1, stdout);
fwrite(&Server, 1, 3072, stdout);
snd_cnt+=3073;
/** Flush, necessary in order to work **/
fflush(stdout);
/** Read and discard C2 **/
fread(Client, 1, 1536, stdin);
rec_cnt+=1536;
return true;
}
#endif

11
Connector_RTMP/main.cpp
View file

@ -40,7 +40,16 @@ int main(){
#ifdef DEBUG #ifdef DEBUG
fprintf(stderr, "Doing handshake...\n"); fprintf(stderr, "Doing handshake...\n");
#endif #endif
doHandshake(); if (doHandshake()){
#ifdef DEBUG
fprintf(stderr, "Handshake succcess!\n");
#endif
}else{
#ifdef DEBUG
fprintf(stderr, "Handshake fail!\n");
#endif
return 0;
}
#ifdef DEBUG #ifdef DEBUG
fprintf(stderr, "Starting processing...\n"); fprintf(stderr, "Starting processing...\n");
#endif #endif

13
Connector_RTMP/parsechunks.cpp
View file

@ -205,11 +205,12 @@ void parseChunk(){
amfreply.getContentP(3)->addContent(AMFType("details", "PLS")); amfreply.getContentP(3)->addContent(AMFType("details", "PLS"));
amfreply.getContentP(3)->addContent(AMFType("clientid", (double)1)); amfreply.getContentP(3)->addContent(AMFType("clientid", (double)1));
SendChunk(4, 20, 1, amfreply.Pack()); SendChunk(4, 20, 1, amfreply.Pack());
amfreply = AMFType("container", (unsigned char)0xFF); //No clue what this does. Most real servers send it, though...
amfreply.addContent(AMFType("", "|RtmpSampleAccess"));//status reply // amfreply = AMFType("container", (unsigned char)0xFF);
amfreply.addContent(AMFType("", (double)1, 0x01));//bool true - audioaccess // amfreply.addContent(AMFType("", "|RtmpSampleAccess"));//status reply
amfreply.addContent(AMFType("", (double)1, 0x01));//bool true - videoaccess // amfreply.addContent(AMFType("", (double)1, 0x01));//bool true - audioaccess
SendChunk(4, 20, next.msg_stream_id, amfreply.Pack()); // amfreply.addContent(AMFType("", (double)1, 0x01));//bool true - videoaccess
// SendChunk(4, 20, next.msg_stream_id, amfreply.Pack());
chunk_snd_max = 1024*1024; chunk_snd_max = 1024*1024;
SendCTL(1, chunk_snd_max);//send chunk size max (msg 1) SendCTL(1, chunk_snd_max);//send chunk size max (msg 1)
ready4data = true;//start sending video data! ready4data = true;//start sending video data!
@ -231,7 +232,7 @@ void parseChunk(){
break; break;
default: default:
#ifdef DEBUG #ifdef DEBUG
fprintf(stderr, "Unknown chunk received! Probably protocol corruption, stopping parsing of incoming data.\n", next.msg_type_id); fprintf(stderr, "Unknown chunk received! Probably protocol corruption, stopping parsing of incoming data.\n");
#endif #endif
stopparsing = true; stopparsing = true;
break; break;

9
Server/playh264.sh Executable file
View file

@ -0,0 +1,9 @@
#!/bin/bash
#ffmpeg -y -i "$1" -acodec libfaac -ar 44100 -vcodec libx264 -b 1000k -cmp +chroma -partitions +parti4x4+partp8x8+partb8x8 -i_qfactor 0.71 -keyint_min 25 -b_strategy 1 -g 150 -r 20 -f flv - 2> /dev/null | ./Server_PLS 500
#ffmpeg -y -i "$1" -ar 44100 -vcodec libx264 -b 1000k -g 150 -r 20 -f flv - | ./Server_PLS 500
ffmpeg -i "$1" -re -acodec aac -ar 44100 -vcodec libx264 -b 700k -vpre ultrafast -refs 1 -bf 0 -g 150 -f flv - 2> /dev/null | ./Server_PLS 500