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Services/HTTP: Corrected some error codes and added a few new ones.

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Use the session data to store information about the HTTP session state.
This is based on reverse engineering of the HTTP module.

The AddRequestHeader function is still mostly incorrect, this will be fixed in follow up PRs
This commit is contained in:
Subv
2018-07-25 14:59:29 -05:00
parent 4a3c4f5f67
commit 28c296a13b
2 changed files with 98 additions and 17 deletions
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71
src/core/hle/service/http_c.cpp
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@@ -11,13 +11,18 @@ namespace HTTP {
namespace ErrCodes {
enum {
TooManyContexts = 26,
InvalidRequestMethod = 32,
InvalidContext = 102,
/// This error is returned in multiple situations: when trying to initialize an
/// already-initialized session, or when using the wrong context handle in a context-bound
/// session
SessionStateError = 102,
};
}
const ResultCode ERROR_CONTEXT_ERROR = // 0xD8A0A066
ResultCode(ErrCodes::InvalidContext, ErrorModule::HTTP, ErrorSummary::InvalidState,
const ResultCode ERROR_STATE_ERROR = // 0xD8A0A066
ResultCode(ErrCodes::SessionStateError, ErrorModule::HTTP, ErrorSummary::InvalidState,
ErrorLevel::Permanent);
void HTTP_C::Initialize(Kernel::HLERequestContext& ctx) {
@@ -29,12 +34,23 @@ void HTTP_C::Initialize(Kernel::HLERequestContext& ctx) {
shared_memory->name = "HTTP_C:shared_memory";
}
LOG_WARNING(Service_HTTP, "(STUBBED) called, shared memory size: {}", shmem_size);
auto* session_data = GetSessionData(ctx.Session());
ASSERT(session_data);
if (session_data->initialized) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(ERROR_STATE_ERROR);
return;
}
session_data->initialized = true;
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
// This returns 0xd8a0a046 if no network connection is available.
// Just assume we are always connected.
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service_HTTP, "(STUBBED) called, shared memory size: {}", shmem_size);
}
void HTTP_C::CreateContext(Kernel::HLERequestContext& ctx) {
@@ -50,11 +66,38 @@ void HTTP_C::CreateContext(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_HTTP, "called, url_size={}, url={}, method={}", url_size, url,
static_cast<u32>(method));
auto* session_data = GetSessionData(ctx.Session());
ASSERT(session_data);
// This command can only be called without a bound session.
if (session_data->current_http_context != boost::none) {
LOG_ERROR(Service_HTTP, "Command called with a bound context");
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(ResultCode(ErrorDescription::NotImplemented, ErrorModule::HTTP,
ErrorSummary::Internal, ErrorLevel::Permanent));
rb.PushMappedBuffer(buffer);
return;
}
static constexpr size_t MaxConcurrentHTTPContexts = 8;
if (session_data->num_http_contexts >= MaxConcurrentHTTPContexts) {
// There can only be 8 HTTP contexts open at the same time for any particular session.
LOG_ERROR(Service_HTTP, "Tried to open too many HTTP contexts");
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(ResultCode(ErrCodes::TooManyContexts, ErrorModule::HTTP, ErrorSummary::InvalidState,
ErrorLevel::Permanent));
rb.PushMappedBuffer(buffer);
return;
}
if (method == RequestMethod::None || static_cast<u32>(method) >= TotalRequestMethods) {
LOG_ERROR(Service_HTTP, "invalid request method={}", static_cast<u32>(method));
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(ERROR_CONTEXT_ERROR);
rb.Push(ResultCode(ErrCodes::InvalidRequestMethod, ErrorModule::HTTP,
ErrorSummary::InvalidState, ErrorLevel::Permanent));
rb.PushMappedBuffer(buffer);
return;
}
@@ -67,6 +110,8 @@ void HTTP_C::CreateContext(Kernel::HLERequestContext& ctx) {
contexts[context_counter].socket_buffer_size = 0;
contexts[context_counter].handle = context_counter;
session_data->num_http_contexts++;
IPC::RequestBuilder rb = rp.MakeBuilder(2, 2);
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(context_counter);
@@ -80,10 +125,17 @@ void HTTP_C::CloseContext(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_HTTP, "(STUBBED) called, handle={}", context_handle);
auto* session_data = GetSessionData(ctx.Session());
ASSERT(session_data);
ASSERT_MSG(session_data->current_http_context == boost::none,
"Unimplemented CloseContext on context-bound session");
auto itr = contexts.find(context_handle);
if (itr == contexts.end()) {
// The real HTTP module just silently fails in this case.
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(ERROR_CONTEXT_ERROR);
rb.Push(RESULT_SUCCESS);
LOG_ERROR(Service_HTTP, "called, context {} not found", context_handle);
return;
}
@@ -91,7 +143,10 @@ void HTTP_C::CloseContext(Kernel::HLERequestContext& ctx) {
// TODO(Subv): What happens if you try to close a context that's currently being used?
ASSERT(itr->second.state == RequestState::NotStarted);
// TODO(Subv): Make sure that only the session that created the context can close it.
contexts.erase(itr);
session_data->num_http_contexts--;
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
@@ -115,7 +170,7 @@ void HTTP_C::AddRequestHeader(Kernel::HLERequestContext& ctx) {
auto itr = contexts.find(context_handle);
if (itr == contexts.end()) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(ERROR_CONTEXT_ERROR);
rb.Push(ERROR_STATE_ERROR);
LOG_ERROR(Service_HTTP, "called, context {} not found", context_handle);
return;
}