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https://github.com/ossrs/srs.git
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for bug #235, use strategy to implements the schema0 and schema1.
This commit is contained in:
winlin
parent
5d883e2e29
commit
4b9875e279
2 changed files with 584 additions and 261 deletions
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@ -638,6 +638,385 @@ namespace _srs_internal
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return bytes;
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}
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c1s1_strategy::c1s1_strategy()
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{
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}
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c1s1_strategy::~c1s1_strategy()
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{
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}
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c1s1_strategy_schema0::c1s1_strategy_schema0()
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{
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key.init();
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digest.init();
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}
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c1s1_strategy_schema0::~c1s1_strategy_schema0()
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{
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key.free();
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digest.free();
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}
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srs_schema_type c1s1_strategy_schema0::schema()
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{
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return srs_schema0;
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}
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char* c1s1_strategy_schema0::get_digest()
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{
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return digest.digest;
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}
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void c1s1_strategy_schema0::dump(c1s1* owner, char* _c1s1)
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{
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srs_schema0_copy_to(_c1s1, true, owner->time, owner->version, &key, &digest);
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}
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int c1s1_strategy_schema0::parse(char* _c1s1)
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{
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int ret = ERROR_SUCCESS;
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if ((ret = key.parse(_c1s1 + 8)) != ERROR_SUCCESS) {
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srs_error("parse the c1 key failed. ret=%d", ret);
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return ret;
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}
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if ((ret = digest.parse(_c1s1 + 8 + 764)) != ERROR_SUCCESS) {
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srs_error("parse the c1 digest failed. ret=%d", ret);
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return ret;
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}
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srs_verbose("parse c1 key-digest success");
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return ret;
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}
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int c1s1_strategy_schema0::c1_create(c1s1* owner)
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{
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int ret = ERROR_SUCCESS;
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// generate digest
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char* c1_digest = NULL;
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if ((ret = calc_c1_digest(owner, c1_digest)) != ERROR_SUCCESS) {
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srs_error("sign c1 error, failed to calc digest. ret=%d", ret);
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return ret;
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}
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srs_assert(c1_digest != NULL);
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SrsAutoFree(char, c1_digest);
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memcpy(digest.digest, c1_digest, 32);
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return ret;
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}
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int c1s1_strategy_schema0::c1_validate_digest(c1s1* owner, bool& is_valid)
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{
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int ret = ERROR_SUCCESS;
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char* c1_digest = NULL;
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if ((ret = calc_c1_digest(owner, c1_digest)) != ERROR_SUCCESS) {
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srs_error("validate c1 error, failed to calc digest. ret=%d", ret);
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return ret;
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}
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srs_assert(c1_digest != NULL);
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SrsAutoFree(char, c1_digest);
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is_valid = srs_bytes_equals(digest.digest, c1_digest, 32);
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return ret;
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}
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int c1s1_strategy_schema0::s1_create(c1s1* owner)
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{
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int ret = ERROR_SUCCESS;
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SrsDH dh;
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// ensure generate 128bytes public key.
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if ((ret = dh.initialize(true)) != ERROR_SUCCESS) {
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return ret;
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}
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// directly generate the public key.
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// @see: https://github.com/winlinvip/simple-rtmp-server/issues/148
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int pkey_size = 128;
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// TODO: FIXME: use c1 public key to calc the shared key.
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if ((ret = dh.copy_public_key(key.key, pkey_size)) != ERROR_SUCCESS) {
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srs_error("calc s1 key failed. ret=%d", ret);
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return ret;
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}
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srs_assert(pkey_size == 128);
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srs_verbose("calc s1 key success.");
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char* s1_digest = NULL;
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if ((ret = calc_s1_digest(owner, s1_digest)) != ERROR_SUCCESS) {
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srs_error("calc s1 digest failed. ret=%d", ret);
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return ret;
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}
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srs_verbose("calc s1 digest success.");
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srs_assert(s1_digest != NULL);
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SrsAutoFree(char, s1_digest);
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memcpy(digest.digest, s1_digest, 32);
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srs_verbose("copy s1 key success.");
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return ret;
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}
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int c1s1_strategy_schema0::s1_validate_digest(c1s1* owner, bool& is_valid)
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{
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int ret = ERROR_SUCCESS;
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char* s1_digest = NULL;
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if ((ret = calc_s1_digest(owner, s1_digest)) != ERROR_SUCCESS) {
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srs_error("validate s1 error, failed to calc digest. ret=%d", ret);
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return ret;
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}
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srs_assert(s1_digest != NULL);
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SrsAutoFree(char, s1_digest);
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is_valid = srs_bytes_equals(digest.digest, s1_digest, 32);
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return ret;
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}
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int c1s1_strategy_schema0::calc_c1_digest(c1s1* owner, char*& c1_digest)
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{
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int ret = ERROR_SUCCESS;
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char* c1s1_joined_bytes = NULL;
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c1s1_joined_bytes = srs_bytes_join_schema0(owner->time, owner->version, &key, &digest);
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srs_assert(c1s1_joined_bytes != NULL);
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SrsAutoFree(char, c1s1_joined_bytes);
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c1_digest = new char[__SRS_OpensslHashSize];
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if ((ret = openssl_HMACsha256(SrsGenuineFPKey, 30, c1s1_joined_bytes, 1536 - 32, c1_digest)) != ERROR_SUCCESS) {
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srs_freep(c1_digest);
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srs_error("calc digest for c1 failed. ret=%d", ret);
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return ret;
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}
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srs_verbose("digest calculated for c1");
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return ret;
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}
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int c1s1_strategy_schema0::calc_s1_digest(c1s1* owner, char*& s1_digest)
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{
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int ret = ERROR_SUCCESS;
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char* c1s1_joined_bytes = NULL;
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c1s1_joined_bytes = srs_bytes_join_schema0(owner->time, owner->version, &key, &digest);
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srs_assert(c1s1_joined_bytes != NULL);
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SrsAutoFree(char, c1s1_joined_bytes);
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s1_digest = new char[__SRS_OpensslHashSize];
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if ((ret = openssl_HMACsha256(SrsGenuineFMSKey, 36, c1s1_joined_bytes, 1536 - 32, s1_digest)) != ERROR_SUCCESS) {
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srs_freep(s1_digest);
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srs_error("calc digest for s1 failed. ret=%d", ret);
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return ret;
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}
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srs_verbose("digest calculated for s1");
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return ret;
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}
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c1s1_strategy_schema1::c1s1_strategy_schema1()
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{
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key.init();
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digest.init();
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}
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c1s1_strategy_schema1::~c1s1_strategy_schema1()
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{
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key.free();
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digest.free();
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}
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srs_schema_type c1s1_strategy_schema1::schema()
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{
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return srs_schema1;
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}
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char* c1s1_strategy_schema1::get_digest()
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{
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return digest.digest;
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}
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void c1s1_strategy_schema1::dump(c1s1* owner, char* _c1s1)
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{
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srs_schema0_copy_to(_c1s1, true, owner->time, owner->version, &key, &digest);
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}
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int c1s1_strategy_schema1::parse(char* _c1s1)
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{
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int ret = ERROR_SUCCESS;
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if ((ret = digest.parse(_c1s1 + 8)) != ERROR_SUCCESS) {
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srs_error("parse the c1 digest failed. ret=%d", ret);
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return ret;
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}
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if ((ret = key.parse(_c1s1 + 8 + 764)) != ERROR_SUCCESS) {
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srs_error("parse the c1 key failed. ret=%d", ret);
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return ret;
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}
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srs_verbose("parse c1 digest-key success");
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return ret;
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}
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int c1s1_strategy_schema1::c1_create(c1s1* owner)
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{
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int ret = ERROR_SUCCESS;
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// generate digest
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char* c1_digest = NULL;
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if ((ret = calc_c1_digest(owner, c1_digest)) != ERROR_SUCCESS) {
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srs_error("sign c1 error, failed to calc digest. ret=%d", ret);
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return ret;
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}
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srs_assert(c1_digest != NULL);
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SrsAutoFree(char, c1_digest);
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memcpy(digest.digest, c1_digest, 32);
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return ret;
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}
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int c1s1_strategy_schema1::c1_validate_digest(c1s1* owner, bool& is_valid)
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{
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int ret = ERROR_SUCCESS;
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char* c1_digest = NULL;
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if ((ret = calc_c1_digest(owner, c1_digest)) != ERROR_SUCCESS) {
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srs_error("validate c1 error, failed to calc digest. ret=%d", ret);
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return ret;
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}
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srs_assert(c1_digest != NULL);
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SrsAutoFree(char, c1_digest);
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is_valid = srs_bytes_equals(digest.digest, c1_digest, 32);
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return ret;
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}
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int c1s1_strategy_schema1::s1_create(c1s1* owner)
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{
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int ret = ERROR_SUCCESS;
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SrsDH dh;
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// ensure generate 128bytes public key.
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if ((ret = dh.initialize(true)) != ERROR_SUCCESS) {
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return ret;
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}
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// directly generate the public key.
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// @see: https://github.com/winlinvip/simple-rtmp-server/issues/148
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int pkey_size = 128;
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if ((ret = dh.copy_public_key(key.key, pkey_size)) != ERROR_SUCCESS) {
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srs_error("calc s1 key failed. ret=%d", ret);
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return ret;
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}
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srs_assert(pkey_size == 128);
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srs_verbose("calc s1 key success.");
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char* s1_digest = NULL;
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if ((ret = calc_s1_digest(owner, s1_digest)) != ERROR_SUCCESS) {
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srs_error("calc s1 digest failed. ret=%d", ret);
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return ret;
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}
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srs_verbose("calc s1 digest success.");
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srs_assert(s1_digest != NULL);
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SrsAutoFree(char, s1_digest);
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memcpy(digest.digest, s1_digest, 32);
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srs_verbose("copy s1 key success.");
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return ret;
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}
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int c1s1_strategy_schema1::s1_validate_digest(c1s1* owner, bool& is_valid)
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{
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int ret = ERROR_SUCCESS;
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char* s1_digest = NULL;
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if ((ret = calc_s1_digest(owner, s1_digest)) != ERROR_SUCCESS) {
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srs_error("validate s1 error, failed to calc digest. ret=%d", ret);
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return ret;
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}
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srs_assert(s1_digest != NULL);
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SrsAutoFree(char, s1_digest);
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is_valid = srs_bytes_equals(digest.digest, s1_digest, 32);
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return ret;
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}
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int c1s1_strategy_schema1::calc_c1_digest(c1s1* owner, char*& c1_digest)
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{
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int ret = ERROR_SUCCESS;
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char* c1s1_joined_bytes = NULL;
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c1s1_joined_bytes = srs_bytes_join_schema1(owner->time, owner->version, &digest, &key);
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srs_assert(c1s1_joined_bytes != NULL);
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SrsAutoFree(char, c1s1_joined_bytes);
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c1_digest = new char[__SRS_OpensslHashSize];
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if ((ret = openssl_HMACsha256(SrsGenuineFPKey, 30, c1s1_joined_bytes, 1536 - 32, c1_digest)) != ERROR_SUCCESS) {
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srs_freep(c1_digest);
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srs_error("calc digest for c1 failed. ret=%d", ret);
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return ret;
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}
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srs_verbose("digest calculated for c1");
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return ret;
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}
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int c1s1_strategy_schema1::calc_s1_digest(c1s1* owner, char*& s1_digest)
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{
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int ret = ERROR_SUCCESS;
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char* c1s1_joined_bytes = NULL;
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c1s1_joined_bytes = srs_bytes_join_schema1(owner->time, owner->version, &digest, &key);
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srs_assert(c1s1_joined_bytes != NULL);
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SrsAutoFree(char, c1s1_joined_bytes);
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s1_digest = new char[__SRS_OpensslHashSize];
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if ((ret = openssl_HMACsha256(SrsGenuineFMSKey, 36, c1s1_joined_bytes, 1536 - 32, s1_digest)) != ERROR_SUCCESS) {
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srs_freep(s1_digest);
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srs_error("calc digest for s1 failed. ret=%d", ret);
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return ret;
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}
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srs_verbose("digest calculated for s1");
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return ret;
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}
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c2s2::c2s2()
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{
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srs_random_generate(random, 1504);
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@ -762,301 +1141,12 @@ namespace _srs_internal
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// TODO: FIXME: move to the right position.
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c1s1::c1s1()
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{
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schema = srs_schema_invalid;
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payload = NULL;
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}
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c1s1::~c1s1()
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{
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destroy_blocks();
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}
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char* c1s1::get_digest()
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{
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srs_assert(schema != srs_schema_invalid);
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if (schema == srs_schema0) {
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return block1.digest.digest;
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} else {
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return block0.digest.digest;
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}
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}
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void c1s1::dump(char* _c1s1)
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{
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srs_assert(schema != srs_schema_invalid);
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if (schema == srs_schema0) {
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srs_schema0_copy_to(_c1s1, true, time, version, &block0.key, &block1.digest);
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} else {
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srs_schema1_copy_to(_c1s1, true, time, version, &block0.digest, &block1.key);
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}
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}
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int c1s1::parse(char* _c1s1, srs_schema_type _schema)
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{
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int ret = ERROR_SUCCESS;
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if (_schema == srs_schema_invalid) {
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ret = ERROR_RTMP_CH_SCHEMA;
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srs_error("parse c1 failed. invalid schema=%d, ret=%d", _schema, ret);
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return ret;
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}
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destroy_blocks();
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time = __srs_stream_read_4bytes(_c1s1);
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version = __srs_stream_read_4bytes(_c1s1 + 4); // client c1 version
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if (_schema == srs_schema0) {
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if ((ret = block0.key.parse(_c1s1 + 8)) != ERROR_SUCCESS) {
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srs_error("parse the c1 key failed. ret=%d", ret);
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return ret;
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}
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if ((ret = block1.digest.parse(_c1s1 + 8 + 764)) != ERROR_SUCCESS) {
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srs_error("parse the c1 digest failed. ret=%d", ret);
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return ret;
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}
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srs_verbose("parse c1 key-digest success");
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} else if (_schema == srs_schema1) {
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if ((ret = block0.digest.parse(_c1s1 + 8)) != ERROR_SUCCESS) {
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srs_error("parse the c1 key failed. ret=%d", ret);
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return ret;
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}
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if ((ret = block1.key.parse(_c1s1 + 8 + 764)) != ERROR_SUCCESS) {
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srs_error("parse the c1 digest failed. ret=%d", ret);
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return ret;
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}
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srs_verbose("parse c1 digest-key success");
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} else {
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ret = ERROR_RTMP_CH_SCHEMA;
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srs_error("parse c1 failed. invalid schema=%d, ret=%d", _schema, ret);
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return ret;
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}
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schema = _schema;
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return ret;
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}
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int c1s1::c1_create(srs_schema_type _schema)
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{
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int ret = ERROR_SUCCESS;
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if (_schema == srs_schema_invalid) {
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ret = ERROR_RTMP_CH_SCHEMA;
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srs_error("create c1 failed. invalid schema=%d, ret=%d", _schema, ret);
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return ret;
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}
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destroy_blocks();
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// client c1 time and version
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time = ::time(NULL);
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version = 0x80000702; // client c1 version
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// generate signature by schema
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if (_schema == srs_schema0) {
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block0.key.init();
|
||||
block1.digest.init();
|
||||
} else {
|
||||
block0.digest.init();
|
||||
block1.key.init();
|
||||
}
|
||||
|
||||
schema = _schema;
|
||||
|
||||
// generate digest
|
||||
char* digest = NULL;
|
||||
|
||||
if ((ret = calc_c1_digest(digest)) != ERROR_SUCCESS) {
|
||||
srs_error("sign c1 error, failed to calc digest. ret=%d", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
srs_assert(digest != NULL);
|
||||
SrsAutoFree(char, digest);
|
||||
|
||||
if (schema == srs_schema0) {
|
||||
memcpy(block1.digest.digest, digest, 32);
|
||||
} else {
|
||||
memcpy(block0.digest.digest, digest, 32);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int c1s1::c1_validate_digest(bool& is_valid)
|
||||
{
|
||||
is_valid = false;
|
||||
int ret = ERROR_SUCCESS;
|
||||
|
||||
char* c1_digest = NULL;
|
||||
|
||||
if ((ret = calc_c1_digest(c1_digest)) != ERROR_SUCCESS) {
|
||||
srs_error("validate c1 error, failed to calc digest. ret=%d", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
srs_assert(c1_digest != NULL);
|
||||
SrsAutoFree(char, c1_digest);
|
||||
|
||||
if (schema == srs_schema0) {
|
||||
is_valid = srs_bytes_equals(block1.digest.digest, c1_digest, 32);
|
||||
} else {
|
||||
is_valid = srs_bytes_equals(block0.digest.digest, c1_digest, 32);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int c1s1::s1_validate_digest(bool& is_valid)
|
||||
{
|
||||
is_valid = false;
|
||||
int ret = ERROR_SUCCESS;
|
||||
|
||||
char* s1_digest = NULL;
|
||||
|
||||
if ((ret = calc_s1_digest(s1_digest)) != ERROR_SUCCESS) {
|
||||
srs_error("validate s1 error, failed to calc digest. ret=%d", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
srs_assert(s1_digest != NULL);
|
||||
SrsAutoFree(char, s1_digest);
|
||||
|
||||
if (schema == srs_schema0) {
|
||||
is_valid = srs_bytes_equals(block1.digest.digest, s1_digest, 32);
|
||||
} else {
|
||||
is_valid = srs_bytes_equals(block0.digest.digest, s1_digest, 32);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int c1s1::s1_create(c1s1* c1)
|
||||
{
|
||||
int ret = ERROR_SUCCESS;
|
||||
|
||||
if (c1->schema == srs_schema_invalid) {
|
||||
ret = ERROR_RTMP_CH_SCHEMA;
|
||||
srs_error("create s1 failed. invalid schema=%d, ret=%d", c1->schema, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
destroy_blocks();
|
||||
schema = c1->schema;
|
||||
|
||||
time = ::time(NULL);
|
||||
version = 0x01000504; // server s1 version
|
||||
|
||||
SrsDH dh;
|
||||
|
||||
// ensure generate 128bytes public key.
|
||||
if ((ret = dh.initialize(true)) != ERROR_SUCCESS) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
if (schema == srs_schema0) {
|
||||
block0.key.init();
|
||||
block1.digest.init();
|
||||
|
||||
// directly generate the public key.
|
||||
// @see: https://github.com/winlinvip/simple-rtmp-server/issues/148
|
||||
int pkey_size = 128;
|
||||
if ((ret = dh.copy_public_key(block0.key.key, pkey_size)) != ERROR_SUCCESS) {
|
||||
srs_error("calc s1 key failed. ret=%d", ret);
|
||||
return ret;
|
||||
}
|
||||
srs_assert(pkey_size == 128);
|
||||
} else {
|
||||
block0.digest.init();
|
||||
block1.key.init();
|
||||
|
||||
// directly generate the public key.
|
||||
// @see: https://github.com/winlinvip/simple-rtmp-server/issues/148
|
||||
int pkey_size = 128;
|
||||
if ((ret = dh.copy_public_key(block1.key.key, pkey_size)) != ERROR_SUCCESS) {
|
||||
srs_error("calc s1 key failed. ret=%d", ret);
|
||||
return ret;
|
||||
}
|
||||
srs_assert(pkey_size == 128);
|
||||
}
|
||||
srs_verbose("calc s1 key success.");
|
||||
|
||||
char* s1_digest = NULL;
|
||||
if ((ret = calc_s1_digest(s1_digest)) != ERROR_SUCCESS) {
|
||||
srs_error("calc s1 digest failed. ret=%d", ret);
|
||||
return ret;
|
||||
}
|
||||
srs_verbose("calc s1 digest success.");
|
||||
|
||||
srs_assert(s1_digest != NULL);
|
||||
SrsAutoFree(char, s1_digest);
|
||||
|
||||
if (schema == srs_schema0) {
|
||||
memcpy(block1.digest.digest, s1_digest, 32);
|
||||
} else {
|
||||
memcpy(block0.digest.digest, s1_digest, 32);
|
||||
}
|
||||
srs_verbose("copy s1 key success.");
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int c1s1::calc_s1_digest(char*& digest)
|
||||
{
|
||||
int ret = ERROR_SUCCESS;
|
||||
|
||||
srs_assert(schema == srs_schema0 || schema == srs_schema1);
|
||||
|
||||
char* c1s1_joined_bytes = NULL;
|
||||
|
||||
if (schema == srs_schema0) {
|
||||
c1s1_joined_bytes = srs_bytes_join_schema0(time, version, &block0.key, &block1.digest);
|
||||
} else {
|
||||
c1s1_joined_bytes = srs_bytes_join_schema1(time, version, &block0.digest, &block1.key);
|
||||
}
|
||||
|
||||
srs_assert(c1s1_joined_bytes != NULL);
|
||||
SrsAutoFree(char, c1s1_joined_bytes);
|
||||
|
||||
digest = new char[__SRS_OpensslHashSize];
|
||||
if ((ret = openssl_HMACsha256(SrsGenuineFMSKey, 36, c1s1_joined_bytes, 1536 - 32, digest)) != ERROR_SUCCESS) {
|
||||
srs_error("calc digest for s1 failed. ret=%d", ret);
|
||||
return ret;
|
||||
}
|
||||
srs_verbose("digest calculated for s1");
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int c1s1::calc_c1_digest(char*& digest)
|
||||
{
|
||||
int ret = ERROR_SUCCESS;
|
||||
|
||||
srs_assert(schema == srs_schema0 || schema == srs_schema1);
|
||||
|
||||
char* c1s1_joined_bytes = NULL;
|
||||
|
||||
if (schema == srs_schema0) {
|
||||
c1s1_joined_bytes = srs_bytes_join_schema0(time, version, &block0.key, &block1.digest);
|
||||
} else {
|
||||
c1s1_joined_bytes = srs_bytes_join_schema1(time, version, &block0.digest, &block1.key);
|
||||
}
|
||||
|
||||
srs_assert(c1s1_joined_bytes != NULL);
|
||||
SrsAutoFree(char, c1s1_joined_bytes);
|
||||
|
||||
digest = new char[__SRS_OpensslHashSize];
|
||||
if ((ret = openssl_HMACsha256(SrsGenuineFPKey, 30, c1s1_joined_bytes, 1536 - 32, digest)) != ERROR_SUCCESS) {
|
||||
srs_error("calc digest for c1 failed. ret=%d", ret);
|
||||
return ret;
|
||||
}
|
||||
srs_verbose("digest calculated for c1");
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
srs_freep(payload);
|
||||
/*
|
||||
void c1s1::destroy_blocks()
|
||||
{
|
||||
if (schema == srs_schema_invalid) {
|
||||
|
|
@ -1070,6 +1160,110 @@ namespace _srs_internal
|
|||
block0.digest.free();
|
||||
block1.key.free();
|
||||
}
|
||||
}*/
|
||||
}
|
||||
|
||||
srs_schema_type c1s1::schema()
|
||||
{
|
||||
srs_assert(payload != NULL);
|
||||
return payload->schema();
|
||||
}
|
||||
|
||||
char* c1s1::get_digest()
|
||||
{
|
||||
srs_assert(payload != NULL);
|
||||
return payload->get_digest();
|
||||
}
|
||||
|
||||
void c1s1::dump(char* _c1s1)
|
||||
{
|
||||
srs_assert(payload != NULL);
|
||||
return payload->dump(this, _c1s1);
|
||||
}
|
||||
|
||||
int c1s1::parse(char* _c1s1, srs_schema_type schema)
|
||||
{
|
||||
int ret = ERROR_SUCCESS;
|
||||
|
||||
if (schema != srs_schema0 && schema != srs_schema1) {
|
||||
ret = ERROR_RTMP_CH_SCHEMA;
|
||||
srs_error("parse c1 failed. invalid schema=%d, ret=%d", schema, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
time = __srs_stream_read_4bytes(_c1s1);
|
||||
version = __srs_stream_read_4bytes(_c1s1 + 4); // client c1 version
|
||||
|
||||
srs_freep(payload);
|
||||
if (schema == srs_schema0) {
|
||||
payload = new c1s1_strategy_schema0();
|
||||
} else {
|
||||
payload = new c1s1_strategy_schema1();
|
||||
}
|
||||
|
||||
return payload->parse(_c1s1);
|
||||
}
|
||||
|
||||
int c1s1::c1_create(srs_schema_type schema)
|
||||
{
|
||||
int ret = ERROR_SUCCESS;
|
||||
|
||||
if (schema != srs_schema0 && schema != srs_schema1) {
|
||||
ret = ERROR_RTMP_CH_SCHEMA;
|
||||
srs_error("create c1 failed. invalid schema=%d, ret=%d", schema, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
// client c1 time and version
|
||||
time = ::time(NULL);
|
||||
version = 0x80000702; // client c1 version
|
||||
|
||||
// generate signature by schema
|
||||
srs_freep(payload);
|
||||
if (schema == srs_schema0) {
|
||||
payload = new c1s1_strategy_schema0();
|
||||
} else {
|
||||
payload = new c1s1_strategy_schema1();
|
||||
}
|
||||
|
||||
return payload->c1_create(this);
|
||||
}
|
||||
|
||||
int c1s1::c1_validate_digest(bool& is_valid)
|
||||
{
|
||||
is_valid = false;
|
||||
srs_assert(payload);
|
||||
return payload->c1_validate_digest(this, is_valid);
|
||||
}
|
||||
|
||||
int c1s1::s1_validate_digest(bool& is_valid)
|
||||
{
|
||||
is_valid = false;
|
||||
srs_assert(payload);
|
||||
return payload->s1_validate_digest(this, is_valid);
|
||||
}
|
||||
|
||||
int c1s1::s1_create(c1s1* c1)
|
||||
{
|
||||
int ret = ERROR_SUCCESS;
|
||||
|
||||
if (c1->schema() != srs_schema0 && c1->schema() != srs_schema1) {
|
||||
ret = ERROR_RTMP_CH_SCHEMA;
|
||||
srs_error("create s1 failed. invalid schema=%d, ret=%d", c1->schema(), ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
time = ::time(NULL);
|
||||
version = 0x01000504; // server s1 version
|
||||
|
||||
srs_freep(payload);
|
||||
if (c1->schema() == srs_schema0) {
|
||||
payload = new c1s1_strategy_schema0();
|
||||
} else {
|
||||
payload = new c1s1_strategy_schema1();
|
||||
}
|
||||
|
||||
return payload->s1_create(this);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1190,6 +1384,7 @@ int SrsComplexHandshake::handshake_with_client(SrsHandshakeBytes* hs_bytes, ISrs
|
|||
// decode c1
|
||||
c1s1 c1;
|
||||
// try schema0.
|
||||
// @remark, use schema0 to make flash player happy.
|
||||
if ((ret = c1.parse(hs_bytes->c0c1 + 1, srs_schema0)) != ERROR_SUCCESS) {
|
||||
srs_error("parse c1 schema%d error. ret=%d", srs_schema0, ret);
|
||||
return ret;
|
||||
|
|
@ -1197,6 +1392,7 @@ int SrsComplexHandshake::handshake_with_client(SrsHandshakeBytes* hs_bytes, ISrs
|
|||
// try schema1
|
||||
bool is_valid = false;
|
||||
if ((ret = c1.c1_validate_digest(is_valid)) != ERROR_SUCCESS || !is_valid) {
|
||||
srs_info("schema0 failed, try schema1.");
|
||||
if ((ret = c1.parse(hs_bytes->c0c1 + 1, srs_schema1)) != ERROR_SUCCESS) {
|
||||
srs_error("parse c1 schema%d error. ret=%d", srs_schema1, ret);
|
||||
return ret;
|
||||
|
|
@ -1207,6 +1403,8 @@ int SrsComplexHandshake::handshake_with_client(SrsHandshakeBytes* hs_bytes, ISrs
|
|||
srs_info("all schema valid failed, try simple handshake. ret=%d", ret);
|
||||
return ret;
|
||||
}
|
||||
} else {
|
||||
srs_info("schema0 is ok.");
|
||||
}
|
||||
srs_verbose("decode c1 success.");
|
||||
|
||||
|
|
@ -1321,7 +1519,7 @@ int SrsComplexHandshake::handshake_with_server(SrsHandshakeBytes* hs_bytes, ISrs
|
|||
|
||||
// verify s1s2
|
||||
c1s1 s1;
|
||||
if ((ret = s1.parse(hs_bytes->s0s1s2 + 1, c1.schema)) != ERROR_SUCCESS) {
|
||||
if ((ret = s1.parse(hs_bytes->s0s1s2 + 1, c1.schema())) != ERROR_SUCCESS) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -219,6 +219,121 @@ namespace _srs_internal
|
|||
*/
|
||||
char* srs_bytes_join_schema1(int32_t time, int32_t version, digest_block* digest, key_block* key);
|
||||
|
||||
class c1s1;
|
||||
|
||||
/**
|
||||
* the c1s1 strategy, use schema0 or schema1.
|
||||
* the template method class to defines common behaviors,
|
||||
* while the concrete class to implements in schema0 or schema1.
|
||||
*/
|
||||
class c1s1_strategy
|
||||
{
|
||||
public:
|
||||
c1s1_strategy();
|
||||
virtual ~c1s1_strategy();
|
||||
public:
|
||||
/**
|
||||
* get the scema.
|
||||
*/
|
||||
virtual srs_schema_type schema() = 0;
|
||||
/**
|
||||
* get the digest key.
|
||||
*/
|
||||
virtual char* get_digest() = 0;
|
||||
/**
|
||||
* copy to bytes.
|
||||
*/
|
||||
virtual void dump(c1s1* owner, char* _c1s1) = 0;
|
||||
/**
|
||||
* server: parse the c1s1, discovery the key and digest by schema.
|
||||
* use the c1_validate_digest() to valid the digest of c1.
|
||||
*/
|
||||
virtual int parse(char* _c1s1) = 0;
|
||||
public:
|
||||
/**
|
||||
* client: create and sign c1 by schema.
|
||||
* sign the c1, generate the digest.
|
||||
* calc_c1_digest(c1, schema) {
|
||||
* get c1s1-joined from c1 by specified schema
|
||||
* digest-data = HMACsha256(c1s1-joined, FPKey, 30)
|
||||
* return digest-data;
|
||||
* }
|
||||
* random fill 1536bytes c1 // also fill the c1-128bytes-key
|
||||
* time = time() // c1[0-3]
|
||||
* version = [0x80, 0x00, 0x07, 0x02] // c1[4-7]
|
||||
* schema = choose schema0 or schema1
|
||||
* digest-data = calc_c1_digest(c1, schema)
|
||||
* copy digest-data to c1
|
||||
*/
|
||||
virtual int c1_create(c1s1* owner) = 0;
|
||||
/**
|
||||
* server: validate the parsed c1 schema
|
||||
*/
|
||||
virtual int c1_validate_digest(c1s1* owner, bool& is_valid) = 0;
|
||||
/**
|
||||
* server: create and sign the s1 from c1.
|
||||
*/
|
||||
virtual int s1_create(c1s1* owner) = 0;
|
||||
/**
|
||||
* server: validate the parsed s1 schema
|
||||
*/
|
||||
virtual int s1_validate_digest(c1s1* owner, bool& is_valid) = 0;
|
||||
};
|
||||
|
||||
/**
|
||||
* c1s1 schema0
|
||||
* key: 764bytes
|
||||
* digest: 764bytes
|
||||
*/
|
||||
class c1s1_strategy_schema0 : public c1s1_strategy
|
||||
{
|
||||
private:
|
||||
key_block key;
|
||||
digest_block digest;
|
||||
public:
|
||||
c1s1_strategy_schema0();
|
||||
virtual ~c1s1_strategy_schema0();
|
||||
public:
|
||||
virtual srs_schema_type schema();
|
||||
virtual char* get_digest();
|
||||
virtual void dump(c1s1* owner, char* _c1s1);
|
||||
virtual int parse(char* _c1s1);
|
||||
virtual int c1_create(c1s1* owner);
|
||||
virtual int c1_validate_digest(c1s1* owner, bool& is_valid);
|
||||
virtual int s1_create(c1s1* owner);
|
||||
virtual int s1_validate_digest(c1s1* owner, bool& is_valid);
|
||||
private:
|
||||
virtual int calc_c1_digest(c1s1* owner, char*& c1_digest);
|
||||
virtual int calc_s1_digest(c1s1* owner, char*& s1_digest);
|
||||
};
|
||||
|
||||
/**
|
||||
* c1s1 schema1
|
||||
* digest: 764bytes
|
||||
* key: 764bytes
|
||||
*/
|
||||
class c1s1_strategy_schema1 : public c1s1_strategy
|
||||
{
|
||||
private:
|
||||
digest_block digest;
|
||||
key_block key;
|
||||
public:
|
||||
c1s1_strategy_schema1();
|
||||
virtual ~c1s1_strategy_schema1();
|
||||
public:
|
||||
virtual srs_schema_type schema();
|
||||
virtual char* get_digest();
|
||||
virtual void dump(c1s1* owner, char* _c1s1);
|
||||
virtual int parse(char* _c1s1);
|
||||
virtual int c1_create(c1s1* owner);
|
||||
virtual int c1_validate_digest(c1s1* owner, bool& is_valid);
|
||||
virtual int s1_create(c1s1* owner);
|
||||
virtual int s1_validate_digest(c1s1* owner, bool& is_valid);
|
||||
private:
|
||||
virtual int calc_c1_digest(c1s1* owner, char*& c1_digest);
|
||||
virtual int calc_s1_digest(c1s1* owner, char*& s1_digest);
|
||||
};
|
||||
|
||||
/**
|
||||
* c1s1 schema0
|
||||
* time: 4bytes
|
||||
|
|
@ -235,30 +350,20 @@ namespace _srs_internal
|
|||
class c1s1
|
||||
{
|
||||
public:
|
||||
union block {
|
||||
key_block key;
|
||||
digest_block digest;
|
||||
};
|
||||
|
||||
// 4bytes
|
||||
int32_t time;
|
||||
// 4bytes
|
||||
int32_t version;
|
||||
// 764bytes
|
||||
// if schema0, use key
|
||||
// if schema1, use digest
|
||||
block block0;
|
||||
// 764bytes
|
||||
// if schema0, use digest
|
||||
// if schema1, use key
|
||||
block block1;
|
||||
|
||||
// the logic schema
|
||||
srs_schema_type schema;
|
||||
// 764bytes+764bytes
|
||||
c1s1_strategy* payload;
|
||||
|
||||
c1s1();
|
||||
virtual ~c1s1();
|
||||
/**
|
||||
* get the scema.
|
||||
*/
|
||||
virtual srs_schema_type schema();
|
||||
/**
|
||||
* get the digest key.
|
||||
*/
|
||||
virtual char* get_digest();
|
||||
|
|
@ -269,6 +374,7 @@ namespace _srs_internal
|
|||
/**
|
||||
* server: parse the c1s1, discovery the key and digest by schema.
|
||||
* use the c1_validate_digest() to valid the digest of c1.
|
||||
* use the s1_validate_digest() to valid the digest of s1.
|
||||
*/
|
||||
virtual int parse(char* _c1s1, srs_schema_type _schema);
|
||||
|
||||
|
|
@ -294,16 +400,35 @@ namespace _srs_internal
|
|||
virtual int c1_validate_digest(bool& is_valid);
|
||||
/**
|
||||
* server: create and sign the s1 from c1.
|
||||
* // decode c1 try schema0 then schema1
|
||||
* c1-digest-data = get-c1-digest-data(schema0)
|
||||
* if c1-digest-data equals to calc_c1_digest(c1, schema0) {
|
||||
* c1-key-data = get-c1-key-data(schema0)
|
||||
* schema = schema0
|
||||
* } else {
|
||||
* c1-digest-data = get-c1-digest-data(schema1)
|
||||
* if c1-digest-data not equals to calc_c1_digest(c1, schema1) {
|
||||
* switch to simple handshake.
|
||||
* return
|
||||
* }
|
||||
* c1-key-data = get-c1-key-data(schema1)
|
||||
* schema = schema1
|
||||
* }
|
||||
*
|
||||
* // generate s1
|
||||
* random fill 1536bytes s1
|
||||
* time = time() // c1[0-3]
|
||||
* version = [0x04, 0x05, 0x00, 0x01] // s1[4-7]
|
||||
* s1-key-data=shared_key=DH_compute_key(peer_pub_key=c1-key-data)
|
||||
* get c1s1-joined by specified schema
|
||||
* s1-digest-data = HMACsha256(c1s1-joined, FMSKey, 36)
|
||||
* copy s1-digest-data and s1-key-data to s1.
|
||||
*/
|
||||
virtual int s1_create(c1s1* c1);
|
||||
/**
|
||||
* server: validate the parsed s1 schema
|
||||
*/
|
||||
virtual int s1_validate_digest(bool& is_valid);
|
||||
private:
|
||||
virtual int calc_s1_digest(char*& digest);
|
||||
virtual int calc_c1_digest(char*& digest);
|
||||
virtual void destroy_blocks();
|
||||
};
|
||||
|
||||
/**
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue