widevine-partner/android
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge "Avoid double release of crypto_lock_"

Browse Source
This commit is contained in:
Rahul Frias
2018-11-07 17:14:56 +00:00
committed by Android (Google) Code Review
parent 058b80f906 19c582aac7
commit 39fd24b8d8
1 changed files with 29 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
libwvdrmengine/cdm/core/src/crypto_session.cpp
View File

@@ -833,38 +833,37 @@ CdmResponseType CryptoSession::LoadKeys(
const std::vector<CryptoKey>& keys,
const std::string& provider_session_token,
const std::string& srm_requirement, CdmLicenseKeyType key_type) {
LOGV("CryptoSession::LoadKeys: Lock");
AutoLock auto_lock(crypto_lock_);
if (key_type == kLicenseKeyTypeEntitlement &&
key_session_->Type() != KeySession::kEntitlement) {
key_session_.reset(new EntitlementKeySession(oec_session_id_, metrics_));
}
LOGV("LoadKeys: id=%lu", oec_session_id_);
OEMCryptoResult sts = key_session_->LoadKeys(
message, signature, mac_key_iv, mac_key, keys, provider_session_token,
&cipher_mode_, srm_requirement);
CdmResponseType result = KEY_ADDED;
if (OEMCrypto_SUCCESS == sts) {
if (!provider_session_token.empty())
update_usage_table_after_close_session_ = true;
result = KEY_ADDED;
} else if (OEMCrypto_ERROR_TOO_MANY_KEYS == sts) {
LOGE("CryptoSession::LoadKeys: OEMCrypto_LoadKeys error=%d", sts);
result = INSUFFICIENT_CRYPTO_RESOURCES_4;
} else if (OEMCrypto_ERROR_USAGE_TABLE_UNRECOVERABLE == sts) {
// Handle vendor specific error
LOGE("CryptoSession::LoadKeys: OEMCrypto_LoadKeys error=%d", sts);
result = NEED_PROVISIONING;
} else {
LOGE("CryptoSession::LoadKeys: OEMCrypto_LoadKeys error=%d", sts);
result = LOAD_KEY_ERROR;
}
{
LOGV("CryptoSession::LoadKeys: Lock");
AutoLock auto_lock(crypto_lock_);
// Leaving critical section
crypto_lock_.Release();
if (key_type == kLicenseKeyTypeEntitlement &&
key_session_->Type() != KeySession::kEntitlement) {
key_session_.reset(new EntitlementKeySession(oec_session_id_, metrics_));
}
LOGV("LoadKeys: id=%lu", oec_session_id_);
OEMCryptoResult sts = key_session_->LoadKeys(
message, signature, mac_key_iv, mac_key, keys, provider_session_token,
&cipher_mode_, srm_requirement);
if (OEMCrypto_SUCCESS == sts) {
if (!provider_session_token.empty())
update_usage_table_after_close_session_ = true;
result = KEY_ADDED;
} else if (OEMCrypto_ERROR_TOO_MANY_KEYS == sts) {
LOGE("CryptoSession::LoadKeys: OEMCrypto_LoadKeys error=%d", sts);
result = INSUFFICIENT_CRYPTO_RESOURCES_4;
} else if (OEMCrypto_ERROR_USAGE_TABLE_UNRECOVERABLE == sts) {
// Handle vendor specific error
LOGE("CryptoSession::LoadKeys: OEMCrypto_LoadKeys error=%d", sts);
result = NEED_PROVISIONING;
} else {
LOGE("CryptoSession::LoadKeys: OEMCrypto_LoadKeys error=%d", sts);
result = LOAD_KEY_ERROR;
}
} // Release crypto_lock_
if (!provider_session_token.empty() &&
usage_support_type_ == kUsageTableSupport) {