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-rw-r--r--src/core/hle/service/soc_u.cpp100
1 files changed, 73 insertions, 27 deletions
diff --git a/src/core/hle/service/soc_u.cpp b/src/core/hle/service/soc_u.cpp
index d3e5d4bca..a7404085b 100644
--- a/src/core/hle/service/soc_u.cpp
+++ b/src/core/hle/service/soc_u.cpp
@@ -373,14 +373,18 @@ static void Bind(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
u32 len = cmd_buffer[2];
- CTRSockAddr* ctr_sock_addr = reinterpret_cast<CTRSockAddr*>(Memory::GetPointer(cmd_buffer[6]));
- if (ctr_sock_addr == nullptr) {
+ // Virtual address of the sock_addr structure
+ VAddr sock_addr_addr = cmd_buffer[6];
+ if (!Memory::IsValidVirtualAddress(sock_addr_addr)) {
cmd_buffer[1] = -1; // TODO(Subv): Correct code
return;
}
- sockaddr sock_addr = CTRSockAddr::ToPlatform(*ctr_sock_addr);
+ CTRSockAddr ctr_sock_addr;
+ Memory::ReadBlock(sock_addr_addr, reinterpret_cast<u8*>(&ctr_sock_addr), sizeof(CTRSockAddr));
+
+ sockaddr sock_addr = CTRSockAddr::ToPlatform(ctr_sock_addr);
int res = ::bind(socket_handle, &sock_addr, std::max<u32>(sizeof(sock_addr), len));
@@ -496,7 +500,7 @@ static void Accept(Service::Interface* self) {
result = TranslateError(GET_ERRNO);
} else {
CTRSockAddr ctr_addr = CTRSockAddr::FromPlatform(addr);
- Memory::WriteBlock(cmd_buffer[0x104 >> 2], (const u8*)&ctr_addr, max_addr_len);
+ Memory::WriteBlock(cmd_buffer[0x104 >> 2], &ctr_addr, sizeof(ctr_addr));
}
cmd_buffer[0] = IPC::MakeHeader(4, 2, 2);
@@ -547,20 +551,31 @@ static void SendTo(Service::Interface* self) {
u32 flags = cmd_buffer[3];
u32 addr_len = cmd_buffer[4];
- u8* input_buff = Memory::GetPointer(cmd_buffer[8]);
- CTRSockAddr* ctr_dest_addr = reinterpret_cast<CTRSockAddr*>(Memory::GetPointer(cmd_buffer[10]));
+ VAddr input_buff_address = cmd_buffer[8];
+ if (!Memory::IsValidVirtualAddress(input_buff_address)) {
+ cmd_buffer[1] = -1; // TODO(Subv): Find the right error code
+ return;
+ }
- if (ctr_dest_addr == nullptr) {
+ // Memory address of the dest_addr structure
+ VAddr dest_addr_addr = cmd_buffer[10];
+ if (!Memory::IsValidVirtualAddress(dest_addr_addr)) {
cmd_buffer[1] = -1; // TODO(Subv): Find the right error code
return;
}
+ std::vector<u8> input_buff(len);
+ Memory::ReadBlock(input_buff_address, input_buff.data(), input_buff.size());
+
+ CTRSockAddr ctr_dest_addr;
+ Memory::ReadBlock(dest_addr_addr, reinterpret_cast<u8*>(&ctr_dest_addr), sizeof(ctr_dest_addr));
+
int ret = -1;
if (addr_len > 0) {
- sockaddr dest_addr = CTRSockAddr::ToPlatform(*ctr_dest_addr);
- ret = ::sendto(socket_handle, (const char*)input_buff, len, flags, &dest_addr, sizeof(dest_addr));
+ sockaddr dest_addr = CTRSockAddr::ToPlatform(ctr_dest_addr);
+ ret = ::sendto(socket_handle, reinterpret_cast<const char*>(input_buff.data()), len, flags, &dest_addr, sizeof(dest_addr));
} else {
- ret = ::sendto(socket_handle, (const char*)input_buff, len, flags, nullptr, 0);
+ ret = ::sendto(socket_handle, reinterpret_cast<const char*>(input_buff.data()), len, flags, nullptr, 0);
}
int result = 0;
@@ -591,14 +606,24 @@ static void RecvFrom(Service::Interface* self) {
std::memcpy(&buffer_parameters, &cmd_buffer[64], sizeof(buffer_parameters));
- u8* output_buff = Memory::GetPointer(buffer_parameters.output_buffer_addr);
+ if (!Memory::IsValidVirtualAddress(buffer_parameters.output_buffer_addr)) {
+ cmd_buffer[1] = -1; // TODO(Subv): Find the right error code
+ return;
+ }
+
+ if (!Memory::IsValidVirtualAddress(buffer_parameters.output_src_address_buffer)) {
+ cmd_buffer[1] = -1; // TODO(Subv): Find the right error code
+ return;
+ }
+
+ std::vector<u8> output_buff(len);
sockaddr src_addr;
socklen_t src_addr_len = sizeof(src_addr);
- int ret = ::recvfrom(socket_handle, (char*)output_buff, len, flags, &src_addr, &src_addr_len);
+ int ret = ::recvfrom(socket_handle, reinterpret_cast<char*>(output_buff.data()), len, flags, &src_addr, &src_addr_len);
if (ret >= 0 && buffer_parameters.output_src_address_buffer != 0 && src_addr_len > 0) {
- CTRSockAddr* ctr_src_addr = reinterpret_cast<CTRSockAddr*>(Memory::GetPointer(buffer_parameters.output_src_address_buffer));
- *ctr_src_addr = CTRSockAddr::FromPlatform(src_addr);
+ CTRSockAddr ctr_src_addr = CTRSockAddr::FromPlatform(src_addr);
+ Memory::WriteBlock(buffer_parameters.output_src_address_buffer, reinterpret_cast<u8*>(&ctr_src_addr), sizeof(ctr_src_addr));
}
int result = 0;
@@ -606,6 +631,9 @@ static void RecvFrom(Service::Interface* self) {
if (ret == SOCKET_ERROR_VALUE) {
result = TranslateError(GET_ERRNO);
total_received = 0;
+ } else {
+ // Write only the data we received to avoid overwriting parts of the buffer with zeros
+ Memory::WriteBlock(buffer_parameters.output_buffer_addr, output_buff.data(), total_received);
}
cmd_buffer[1] = result;
@@ -617,18 +645,28 @@ static void Poll(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 nfds = cmd_buffer[1];
int timeout = cmd_buffer[2];
- CTRPollFD* input_fds = reinterpret_cast<CTRPollFD*>(Memory::GetPointer(cmd_buffer[6]));
- CTRPollFD* output_fds = reinterpret_cast<CTRPollFD*>(Memory::GetPointer(cmd_buffer[0x104 >> 2]));
+
+ VAddr input_fds_addr = cmd_buffer[6];
+ VAddr output_fds_addr = cmd_buffer[0x104 >> 2];
+ if (!Memory::IsValidVirtualAddress(input_fds_addr) || !Memory::IsValidVirtualAddress(output_fds_addr)) {
+ cmd_buffer[1] = -1; // TODO(Subv): Find correct error code.
+ return;
+ }
+
+ std::vector<CTRPollFD> ctr_fds(nfds);
+ Memory::ReadBlock(input_fds_addr, reinterpret_cast<u8*>(ctr_fds.data()), nfds * sizeof(CTRPollFD));
// The 3ds_pollfd and the pollfd structures may be different (Windows/Linux have different sizes)
// so we have to copy the data
std::vector<pollfd> platform_pollfd(nfds);
- std::transform(input_fds, input_fds + nfds, platform_pollfd.begin(), CTRPollFD::ToPlatform);
+ std::transform(ctr_fds.begin(), ctr_fds.end(), platform_pollfd.begin(), CTRPollFD::ToPlatform);
const int ret = ::poll(platform_pollfd.data(), nfds, timeout);
// Now update the output pollfd structure
- std::transform(platform_pollfd.begin(), platform_pollfd.end(), output_fds, CTRPollFD::FromPlatform);
+ std::transform(platform_pollfd.begin(), platform_pollfd.end(), ctr_fds.begin(), CTRPollFD::FromPlatform);
+
+ Memory::WriteBlock(output_fds_addr, reinterpret_cast<u8*>(ctr_fds.data()), nfds * sizeof(CTRPollFD));
int result = 0;
if (ret == SOCKET_ERROR_VALUE)
@@ -643,14 +681,16 @@ static void GetSockName(Service::Interface* self) {
u32 socket_handle = cmd_buffer[1];
socklen_t ctr_len = cmd_buffer[2];
- CTRSockAddr* ctr_dest_addr = reinterpret_cast<CTRSockAddr*>(Memory::GetPointer(cmd_buffer[0x104 >> 2]));
+ // Memory address of the ctr_dest_addr structure
+ VAddr ctr_dest_addr_addr = cmd_buffer[0x104 >> 2];
sockaddr dest_addr;
socklen_t dest_addr_len = sizeof(dest_addr);
int ret = ::getsockname(socket_handle, &dest_addr, &dest_addr_len);
- if (ctr_dest_addr != nullptr) {
- *ctr_dest_addr = CTRSockAddr::FromPlatform(dest_addr);
+ if (ctr_dest_addr_addr != 0 && Memory::IsValidVirtualAddress(ctr_dest_addr_addr)) {
+ CTRSockAddr ctr_dest_addr = CTRSockAddr::FromPlatform(dest_addr);
+ Memory::WriteBlock(ctr_dest_addr_addr, reinterpret_cast<u8*>(&ctr_dest_addr), sizeof(ctr_dest_addr));
} else {
cmd_buffer[1] = -1; // TODO(Subv): Verify error
return;
@@ -682,14 +722,16 @@ static void GetPeerName(Service::Interface* self) {
u32 socket_handle = cmd_buffer[1];
socklen_t len = cmd_buffer[2];
- CTRSockAddr* ctr_dest_addr = reinterpret_cast<CTRSockAddr*>(Memory::GetPointer(cmd_buffer[0x104 >> 2]));
+ // Memory address of the ctr_dest_addr structure
+ VAddr ctr_dest_addr_addr = cmd_buffer[0x104 >> 2];
sockaddr dest_addr;
socklen_t dest_addr_len = sizeof(dest_addr);
int ret = ::getpeername(socket_handle, &dest_addr, &dest_addr_len);
- if (ctr_dest_addr != nullptr) {
- *ctr_dest_addr = CTRSockAddr::FromPlatform(dest_addr);
+ if (ctr_dest_addr_addr != 0 && Memory::IsValidVirtualAddress(ctr_dest_addr_addr)) {
+ CTRSockAddr ctr_dest_addr = CTRSockAddr::FromPlatform(dest_addr);
+ Memory::WriteBlock(ctr_dest_addr_addr, reinterpret_cast<u8*>(&ctr_dest_addr), sizeof(ctr_dest_addr));
} else {
cmd_buffer[1] = -1;
return;
@@ -711,13 +753,17 @@ static void Connect(Service::Interface* self) {
u32 socket_handle = cmd_buffer[1];
socklen_t len = cmd_buffer[2];
- CTRSockAddr* ctr_input_addr = reinterpret_cast<CTRSockAddr*>(Memory::GetPointer(cmd_buffer[6]));
- if (ctr_input_addr == nullptr) {
+ // Memory address of the ctr_input_addr structure
+ VAddr ctr_input_addr_addr = cmd_buffer[6];
+ if (!Memory::IsValidVirtualAddress(ctr_input_addr_addr)) {
cmd_buffer[1] = -1; // TODO(Subv): Verify error
return;
}
- sockaddr input_addr = CTRSockAddr::ToPlatform(*ctr_input_addr);
+ CTRSockAddr ctr_input_addr;
+ Memory::ReadBlock(ctr_input_addr_addr, reinterpret_cast<u8*>(&ctr_input_addr), sizeof(ctr_input_addr));
+
+ sockaddr input_addr = CTRSockAddr::ToPlatform(ctr_input_addr);
int ret = ::connect(socket_handle, &input_addr, sizeof(input_addr));
int result = 0;
if (ret != 0)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 18:04:53 +0100