add dms FUZZ

Signed-off-by: c30051536 <chenbin179@huawei.com>
This commit is contained in:
c30051536 2024-08-08 12:38:23 +08:00
parent 360c22962a
commit 2dc0efc6be
2 changed files with 125 additions and 10 deletions

View File

@ -20,38 +20,114 @@
namespace OHOS {
namespace DistributedSchedule {
namespace {
constexpr uint32_t MIN_SIZE = 38;
constexpr uint32_t UINT32_T_OFFSET = 4;
constexpr uint32_t ENUM_OFFSET = 4;
constexpr uint32_t BOOL_OFFSET = 1;
constexpr uint32_t INT32_T_OFFSET = 4;
constexpr uint32_t CHAR_PONTER_OFFSET = 4;
}
void FuzzApplyAdvanceResource(const uint8_t* data, size_t size)
{
if ((data == nullptr) || (size < sizeof(uint32_t))) {
if ((data == nullptr) || (size < MIN_SIZE)) {
return;
}
const std::string peerNetworkId(reinterpret_cast<const char*>(data), size);
ServiceCollaborationManager_ResourceRequestInfoSets reqInfoSets;
reqInfoSets.remoteHardwareListSize = *(reinterpret_cast<const uint32_t*>(data));
reqInfoSets.localHardwareListSize = *(reinterpret_cast<const uint32_t*>(data));
ServiceCollaborationManager_HardwareRequestInfo remoteHardwareListTemp;
uint32_t offset = UINT32_T_OFFSET;
remoteHardwareListTemp.hardWareType =
*(reinterpret_cast<const ServiceCollaborationManagerHardwareType*>(data + offset));
offset += ENUM_OFFSET;
remoteHardwareListTemp.canShare = *(reinterpret_cast<const bool*>(data + offset));
offset += BOOL_OFFSET;
reqInfoSets.remoteHardwareList = &remoteHardwareListTemp;
reqInfoSets.localHardwareListSize = *(reinterpret_cast<const uint32_t*>(data + offset));
offset += UINT32_T_OFFSET;
ServiceCollaborationManager_HardwareRequestInfo localHardwareListTemp;
localHardwareListTemp.hardWareType =
*(reinterpret_cast<const ServiceCollaborationManagerHardwareType*>(data + offset));
offset += ENUM_OFFSET;
localHardwareListTemp.canShare = *(reinterpret_cast<const bool*>(data + offset));
offset += BOOL_OFFSET;
reqInfoSets.localHardwareList = &localHardwareListTemp;
ServiceCollaborationManager_CommunicationRequestInfo communicationRequestTemp;
communicationRequestTemp.minBandwidth = *(reinterpret_cast<const int32_t*>(data + offset));
offset += INT32_T_OFFSET;
communicationRequestTemp.maxLatency = *(reinterpret_cast<const int32_t*>(data + offset));
offset += INT32_T_OFFSET;
communicationRequestTemp.minLatency = *(reinterpret_cast<const int32_t*>(data + offset));
offset += INT32_T_OFFSET;
communicationRequestTemp.maxWaitTime = *(reinterpret_cast<const int32_t*>(data + offset));
offset += INT32_T_OFFSET;
communicationRequestTemp.dataType = reinterpret_cast<const char*>(data + offset);
offset += CHAR_PONTER_OFFSET;
reqInfoSets.communicationRequest = &communicationRequestTemp;
const std::string peerNetworkId(reinterpret_cast<const char*>(data + offset), size - MIN_SIZE);
DSchedAllConnectManager::GetInstance().ApplyAdvanceResource(peerNetworkId, reqInfoSets);
}
void FuzzGetResourceRequest(const uint8_t* data, size_t size)
{
if ((data == nullptr) || (size < sizeof(uint32_t))) {
if ((data == nullptr) || (size < MIN_SIZE)) {
return;
}
ServiceCollaborationManager_ResourceRequestInfoSets reqInfoSets;
reqInfoSets.remoteHardwareListSize = *(reinterpret_cast<const uint32_t*>(data));
reqInfoSets.localHardwareListSize = *(reinterpret_cast<const uint32_t*>(data));
ServiceCollaborationManager_HardwareRequestInfo remoteHardwareListTemp;
uint32_t offset = UINT32_T_OFFSET;
remoteHardwareListTemp.hardWareType =
*(reinterpret_cast<const ServiceCollaborationManagerHardwareType*>(data + offset));
offset += ENUM_OFFSET;
remoteHardwareListTemp.canShare = *(reinterpret_cast<const bool*>(data + offset));
offset += BOOL_OFFSET;
reqInfoSets.remoteHardwareList = &remoteHardwareListTemp;
reqInfoSets.localHardwareListSize = *(reinterpret_cast<const uint32_t*>(data + offset));
offset += UINT32_T_OFFSET;
ServiceCollaborationManager_HardwareRequestInfo localHardwareListTemp;
localHardwareListTemp.hardWareType =
*(reinterpret_cast<const ServiceCollaborationManagerHardwareType*>(data + offset));
offset += ENUM_OFFSET;
localHardwareListTemp.canShare = *(reinterpret_cast<const bool*>(data + offset));
offset += BOOL_OFFSET;
reqInfoSets.localHardwareList = &localHardwareListTemp;
ServiceCollaborationManager_CommunicationRequestInfo communicationRequestTemp;
communicationRequestTemp.minBandwidth = *(reinterpret_cast<const int32_t*>(data + offset));
offset += INT32_T_OFFSET;
communicationRequestTemp.maxLatency = *(reinterpret_cast<const int32_t*>(data + offset));
offset += INT32_T_OFFSET;
communicationRequestTemp.minLatency = *(reinterpret_cast<const int32_t*>(data + offset));
offset += INT32_T_OFFSET;
communicationRequestTemp.maxWaitTime = *(reinterpret_cast<const int32_t*>(data + offset));
offset += INT32_T_OFFSET;
communicationRequestTemp.dataType = reinterpret_cast<const char*>(data + offset);
reqInfoSets.communicationRequest = &communicationRequestTemp;
DSchedAllConnectManager::GetInstance().GetResourceRequest(reqInfoSets);
}
void FuzzPublishServiceState(const uint8_t* data, size_t size)
{
if ((data == nullptr) || (size < sizeof(uint32_t))) {
if ((data == nullptr) || (size < sizeof(size_t))) {
return;
}
const std::string peerNetworkId(reinterpret_cast<const char*>(data), size);
const std::string extraInfo(reinterpret_cast<const char*>(data), size);
uint8_t* temp = const_cast<uint8_t*>(data);
ServiceCollaborationManagerBussinessStatus state =
*(reinterpret_cast<const ServiceCollaborationManagerBussinessStatus*>(data));
*(reinterpret_cast<ServiceCollaborationManagerBussinessStatus*>(temp));
DSchedAllConnectManager::GetInstance().PublishServiceState(peerNetworkId, extraInfo, state);
}
}

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@ -17,23 +17,62 @@
#include <cstddef>
#include <cstdint>
#include <securec.h>
#include "dsched_data_buffer.h"
#include "dsched_softbus_session.h"
namespace OHOS {
namespace DistributedSchedule {
namespace {
static const uint32_t DSCHED_MAX_BUFFER_SIZE = 80 * 1024 * 1024;
constexpr size_t FOO_MAX_LEN = 1024;
constexpr size_t U32_AT_SIZE = 4;
constexpr int32_t POS_0 = 0;
constexpr int32_t POS_1 = 1;
constexpr int32_t POS_2 = 2;
constexpr int32_t POS_3 = 3;
constexpr int32_t OFFSET_24 = 24;
constexpr int32_t OFFSET_16 = 16;
constexpr int32_t OFFSET_8 = 8;
}
int32_t Get32Data(const uint8_t* ptr, size_t size)
{
if (size > FOO_MAX_LEN || size < U32_AT_SIZE) {
return 0;
}
char *ch = static_cast<char*>(malloc(size + 1));
if (ch == nullptr) {
return 0;
}
(void)memset_s(ch, size + 1, 0x00, size + 1);
if (memcpy_s(ch, size + 1, ptr, size) != EOK) {
free(ch);
ch = nullptr;
return 0;
}
int32_t data = (ch[POS_0] << OFFSET_24) | (ch[POS_1] << OFFSET_16) | (ch[POS_2] << OFFSET_8) | ch[POS_3];
free(ch);
ch = nullptr;
return data;
}
void FuzzOnBytesReceived(const uint8_t* data, size_t size)
{
if ((data == nullptr) || (size < sizeof(int32_t))) {
if ((data == nullptr) || (size < U32_AT_SIZE)) {
return;
}
std::shared_ptr<DSchedDataBuffer> buffer = std::make_shared<DSchedDataBuffer>(size);
size_t intParam = static_cast<size_t>(Get32Data(data, size));
if (intParam >= DSCHED_MAX_BUFFER_SIZE) {
return;
}
std::shared_ptr<DSchedDataBuffer> buffer = std::make_shared<DSchedDataBuffer>(intParam);
DSchedSoftbusSession dschedSoftbusSession;
dschedSoftbusSession.OnBytesReceived(buffer);
dschedSoftbusSession.OnConnect();
dschedSoftbusSession.GetPeerDeviceId();
int32_t dataType = *(reinterpret_cast<const int32_t*>(data));
int32_t dataType = Get32Data(data, size);
dschedSoftbusSession.SendData(buffer, dataType);
dschedSoftbusSession.OnDisconnect();
}