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

Source release 18.5.0

Browse Source
This commit is contained in:
Matt Feddersen
2024-03-28 19:15:22 -07:00
parent b2c35151ad
commit 28ec8548c6
109 changed files with 3623 additions and 1012 deletions
Download Patch File Download Diff File Expand all files Collapse all files

103
oemcrypto/odk/src/odk.c
View File

@@ -9,6 +9,7 @@
#include <stdio.h>
#include <string.h>
#include "odk_message.h"
#include "odk_overflow.h"
#include "odk_serialize.h"
#include "odk_structs.h"
@@ -45,12 +46,23 @@ static OEMCryptoResult ODK_PrepareRequest(
* message buffer has been correctly initialized by the caller. */
switch (message_type) {
case ODK_License_Request_Type: {
core_message->message_length = ODK_LICENSE_REQUEST_SIZE;
if (sizeof(ODK_PreparedLicenseRequest) > prepared_request_buffer_length) {
return ODK_ERROR_CORE_MESSAGE;
if (nonce_values->api_major_version > 17) {
core_message->message_length = ODK_LICENSE_REQUEST_SIZE;
if (sizeof(ODK_PreparedLicenseRequest) >
prepared_request_buffer_length) {
return ODK_ERROR_CORE_MESSAGE;
}
Pack_ODK_PreparedLicenseRequest(
&msg, (ODK_PreparedLicenseRequest*)prepared_request_buffer);
} else {
core_message->message_length = ODK_LICENSE_REQUEST_SIZE_V17;
if (sizeof(ODK_PreparedLicenseRequestV17) >
prepared_request_buffer_length) {
return ODK_ERROR_CORE_MESSAGE;
}
Pack_ODK_PreparedLicenseRequestV17(
&msg, (ODK_PreparedLicenseRequestV17*)prepared_request_buffer);
}
Pack_ODK_PreparedLicenseRequest(
&msg, (ODK_PreparedLicenseRequest*)prepared_request_buffer);
break;
}
case ODK_Renewal_Request_Type: {
@@ -63,13 +75,23 @@ static OEMCryptoResult ODK_PrepareRequest(
break;
}
case ODK_Provisioning_Request_Type: {
core_message->message_length = ODK_PROVISIONING_REQUEST_SIZE;
if (sizeof(ODK_PreparedProvisioningRequest) >
prepared_request_buffer_length) {
return ODK_ERROR_CORE_MESSAGE;
if (nonce_values->api_major_version > 17) {
core_message->message_length = ODK_PROVISIONING_REQUEST_SIZE;
if (sizeof(ODK_PreparedProvisioningRequest) >
prepared_request_buffer_length) {
return ODK_ERROR_CORE_MESSAGE;
}
Pack_ODK_PreparedProvisioningRequest(
&msg, (ODK_PreparedProvisioningRequest*)prepared_request_buffer);
} else {
core_message->message_length = ODK_PROVISIONING_REQUEST_SIZE_V17;
if (sizeof(ODK_PreparedProvisioningRequestV17) >
prepared_request_buffer_length) {
return ODK_ERROR_CORE_MESSAGE;
}
Pack_ODK_PreparedProvisioningRequestV17(
&msg, (ODK_PreparedProvisioningRequestV17*)prepared_request_buffer);
}
Pack_ODK_PreparedProvisioningRequest(
&msg, (ODK_PreparedProvisioningRequest*)prepared_request_buffer);
break;
}
case ODK_Provisioning40_Request_Type: {
@@ -186,12 +208,19 @@ OEMCryptoResult ODK_PrepareCoreLicenseRequest(
counter_info == NULL) {
return ODK_ERROR_CORE_MESSAGE;
}
ODK_PreparedLicenseRequest license_request = {0};
memcpy(&license_request.counter_info, counter_info,
sizeof(license_request.counter_info));
return ODK_PrepareRequest(
message, message_length, core_message_size, ODK_License_Request_Type,
nonce_values, &license_request, sizeof(ODK_PreparedLicenseRequest));
if (nonce_values->api_major_version > 17) {
ODK_PreparedLicenseRequest license_request = {0};
memcpy(&license_request.counter_info, counter_info,
sizeof(license_request.counter_info));
return ODK_PrepareRequest(
message, message_length, core_message_size, ODK_License_Request_Type,
nonce_values, &license_request, sizeof(ODK_PreparedLicenseRequest));
} else {
ODK_PreparedLicenseRequestV17 license_request = {0};
return ODK_PrepareRequest(
message, message_length, core_message_size, ODK_License_Request_Type,
nonce_values, &license_request, sizeof(ODK_PreparedLicenseRequestV17));
}
}
OEMCryptoResult ODK_PrepareCoreRenewalRequest(uint8_t* message,
@@ -250,14 +279,22 @@ OEMCryptoResult ODK_PrepareCoreProvisioningRequest(
counter_info == NULL) {
return ODK_ERROR_CORE_MESSAGE;
}
ODK_PreparedProvisioningRequest provisioning_request = {0};
memcpy(&provisioning_request.counter_info, counter_info,
sizeof(ODK_MessageCounterInfo));
if (nonce_values->api_major_version > 17) {
ODK_PreparedProvisioningRequest provisioning_request = {0};
memcpy(&provisioning_request.counter_info, counter_info,
sizeof(ODK_MessageCounterInfo));
return ODK_PrepareRequest(message, message_length, core_message_length,
ODK_Provisioning_Request_Type, nonce_values,
&provisioning_request,
sizeof(ODK_PreparedProvisioningRequest));
return ODK_PrepareRequest(message, message_length, core_message_length,
ODK_Provisioning_Request_Type, nonce_values,
&provisioning_request,
sizeof(ODK_PreparedProvisioningRequest));
} else {
ODK_PreparedProvisioningRequestV17 provisioning_request = {0};
return ODK_PrepareRequest(message, message_length, core_message_length,
ODK_Provisioning_Request_Type, nonce_values,
&provisioning_request,
sizeof(ODK_PreparedProvisioningRequestV17));
}
}
OEMCryptoResult ODK_PrepareCoreProvisioning40Request(
@@ -434,10 +471,14 @@ OEMCryptoResult ODK_ParseRenewal(const uint8_t* message, size_t message_length,
*/
/* If a renewal request is lost in transit, we should throw it out and create
* a new one. We use the timestamp to make sure we have the latest request.
* We only do this if playback has already started. This allows us to reload
* an offline license and also reload a renewal before starting playback.
* We only do this if a renewal has been requested for this session. This
* allows us to reload an offline license and also reload a renewal from a
* previous session before starting playback.
* TODO: b/290249855 - This is reversed. It should be "!=" instead of "<".
* We will not fix this in the current release, because it is already in
* production code. Instead, this will be fixed in v19.
*/
if (clock_values->timer_status != ODK_CLOCK_TIMER_STATUS_LICENSE_LOADED &&
if (clock_values->time_of_renewal_request > 0 &&
clock_values->time_of_renewal_request <
renewal_response.request.playback_time) {
return ODK_STALE_RENEWAL;
@@ -489,14 +530,6 @@ OEMCryptoResult ODK_ParseProvisioning(
device_id_length) != 0) {
return ODK_ERROR_CORE_MESSAGE;
}
const uint8_t zero[ODK_DEVICE_ID_LEN_MAX] = {0};
/* check bytes beyond device_id_length are 0 */
if (crypto_memcmp(
zero, provisioning_response.request.device_id + device_id_length,
ODK_DEVICE_ID_LEN_MAX - device_id_length) != 0) {
return ODK_ERROR_CORE_MESSAGE;
}
} else {
// v18
ODK_ProvisioningResponse provisioning_response = {0};