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Rtmp: 修复openssl未开启导致链接失败的问题: #1301

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xiongziliang 2021-12-26 19:58:01 +08:00
parent 8afafb1ce0
commit 7f649b94e5
1 changed files with 20 additions and 20 deletions
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40
src/Rtmp/RtmpProtocol.cpp
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@ -430,26 +430,6 @@ static u_int8_t FPKey[] = {
0x93, 0xB8, 0xE6, 0x36, 0xCF, 0xEB, 0x31, 0xAE
}; // 62
//发送复杂握手c0c1
void RtmpHandshake::create_complex_c0c1() {
#ifdef ENABLE_OPENSSL
memcpy(zero, "\x80\x00\x07\x02", 4);
//digest随机偏移长度
auto offset_value = rand() % (C1_SCHEMA_SIZE - C1_OFFSET_SIZE - C1_DIGEST_SIZE);
//设置digest偏移长度
auto offset_ptr = random + C1_SCHEMA_SIZE;
offset_ptr[0] = offset_ptr[1] = offset_ptr[2] = offset_value / 4;
offset_ptr[3] = offset_value - 3 * (offset_value / 4);
//去除digest后的剩余随机数据
string str((char *) this, sizeof(*this));
str.erase(8 + C1_SCHEMA_SIZE + C1_OFFSET_SIZE + offset_value, C1_DIGEST_SIZE);
//获取摘要
auto digest_value = openssl_HMACsha256(FPKey, C1_FPKEY_SIZE, str.data(), str.size());
//插入摘要
memcpy(random + C1_SCHEMA_SIZE + C1_OFFSET_SIZE + offset_value, digest_value.data(), digest_value.size());
#endif
}
void RtmpProtocol::check_C1_Digest(const string &digest,const string &data){
auto sha256 = openssl_HMACsha256(FPKey, C1_FPKEY_SIZE, data.data(), data.size());
if (sha256 != digest) {
@ -541,6 +521,26 @@ void RtmpProtocol::send_complex_S0S1S2(int schemeType,const string &digest){
}
#endif //ENABLE_OPENSSL
//发送复杂握手c0c1
void RtmpHandshake::create_complex_c0c1() {
#ifdef ENABLE_OPENSSL
memcpy(zero, "\x80\x00\x07\x02", 4);
//digest随机偏移长度
auto offset_value = rand() % (C1_SCHEMA_SIZE - C1_OFFSET_SIZE - C1_DIGEST_SIZE);
//设置digest偏移长度
auto offset_ptr = random + C1_SCHEMA_SIZE;
offset_ptr[0] = offset_ptr[1] = offset_ptr[2] = offset_value / 4;
offset_ptr[3] = offset_value - 3 * (offset_value / 4);
//去除digest后的剩余随机数据
string str((char *) this, sizeof(*this));
str.erase(8 + C1_SCHEMA_SIZE + C1_OFFSET_SIZE + offset_value, C1_DIGEST_SIZE);
//获取摘要
auto digest_value = openssl_HMACsha256(FPKey, C1_FPKEY_SIZE, str.data(), str.size());
//插入摘要
memcpy(random + C1_SCHEMA_SIZE + C1_OFFSET_SIZE + offset_value, digest_value.data(), digest_value.size());
#endif
}
const char* RtmpProtocol::handle_C2(const char *data, size_t len) {
if (len < C1_HANDSHARK_SIZE) {
//need more data!