ARCHIVE/xahaud
3
0
Fork 0
mirror of https://github.com/Xahau/xahaud.git synced 2025-12-06 17:27:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

working!

Browse Source
This commit is contained in:
Richard Holland
2022-01-18 10:33:00 +00:00
parent 3b5a335599
commit e14373756f
2 changed files with 25 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
src/ripple/app/tx/applyHook.h
View File

@@ -12,9 +12,8 @@
#include <memory> #include <memory>
#include <vector> #include <vector>
#include <ripple/protocol/digest.h> #include <ripple/protocol/digest.h>
#include <wasmedge/wasmedge.h>
#include <ripple/app/tx/applyHookMacro.h> #include <ripple/app/tx/applyHookMacro.h>
#include <wasmedge/wasmedge.h>
namespace hook namespace hook
{ {
@@ -408,6 +407,9 @@ namespace hook
static WasmEdge_String cbakFunctionName = WasmEdge_StringCreateByCString("cbak"); static WasmEdge_String cbakFunctionName = WasmEdge_StringCreateByCString("cbak");
static WasmEdge_String hookFunctionName = WasmEdge_StringCreateByCString("hook"); static WasmEdge_String hookFunctionName = WasmEdge_StringCreateByCString("hook");
// see: lib/system/allocator.cpp
#define WasmEdge_kPageSize 65536ULL
/** /**
* HookExecutor is effectively a two-part function: * HookExecutor is effectively a two-part function:
* The first part sets up the Hook Api inside the wasm import, ready for use * The first part sets up the Hook Api inside the wasm import, ready for use
@@ -483,6 +485,21 @@ namespace hook
WasmEdge_Value params[1] = { WasmEdge_ValueGenI32((int64_t)wasmParam) }; WasmEdge_Value params[1] = { WasmEdge_ValueGenI32((int64_t)wasmParam) };
WasmEdge_Value returns[1]; WasmEdge_Value returns[1];
/*
printf("executing hook wasm:\n");
for (int j = 0; j < len; j++)
{
if (j % 16 == 0)
printf("0x%08X:\t", j);
printf("%02X%s", (reinterpret_cast<const uint8_t*>(wasm))[j],
(j % 16 == 15 ? "\n" :
(j % 4 == 3 ? " " :
(j % 2 == 1 ? " " : ""))));
}
printf("\n----\n");
*/
res = res =
WasmEdge_VMRunWasmFromBuffer(vmCtx, reinterpret_cast<const uint8_t*>(wasm), len, WasmEdge_VMRunWasmFromBuffer(vmCtx, reinterpret_cast<const uint8_t*>(wasm), len,
callback ? cbakFunctionName : hookFunctionName, callback ? cbakFunctionName : hookFunctionName,
@@ -500,14 +517,6 @@ namespace hook
auto* statsCtx= WasmEdge_VMGetStatisticsContext(vmCtx); auto* statsCtx= WasmEdge_VMGetStatisticsContext(vmCtx);
hookCtx.result.instructionCount = WasmEdge_StatisticsGetInstrCount(statsCtx); hookCtx.result.instructionCount = WasmEdge_StatisticsGetInstrCount(statsCtx);
JLOG(j.trace())
<< "HookInfo[" << HC_ACC() << "]: "
<< (hookCtx.result.exitType == hook_api::ExitType::ROLLBACK ? "ROLLBACK" : "ACCEPT")
<< " RS: '" << hookCtx.result.exitReason.c_str()
<< "' RC: " << hookCtx.result.exitCode;
//WasmEdge_ValueGetI64(returns[0]));
} }
} }
@@ -521,6 +530,8 @@ namespace hook
{ {
ctx.module = this; ctx.module = this;
WasmEdge_LogSetDebugLevel();
ADD_HOOK_FUNCTION(_g, ctx); ADD_HOOK_FUNCTION(_g, ctx);
ADD_HOOK_FUNCTION(accept, ctx); ADD_HOOK_FUNCTION(accept, ctx);
ADD_HOOK_FUNCTION(rollback, ctx); ADD_HOOK_FUNCTION(rollback, ctx);

3
src/ripple/app/tx/applyHookMacro.h
View File

@@ -145,7 +145,8 @@
[[maybe_unused]] auto& view = applyCtx.view();\ [[maybe_unused]] auto& view = applyCtx.view();\
[[maybe_unused]] auto j = applyCtx.app.journal("View");\ [[maybe_unused]] auto j = applyCtx.app.journal("View");\
[[maybe_unused]] unsigned char* memory = WasmEdge_MemoryInstanceGetPointer(&memoryCtx, 0, 0);\ [[maybe_unused]] unsigned char* memory = WasmEdge_MemoryInstanceGetPointer(&memoryCtx, 0, 0);\
[[maybe_unused]] const uint64_t memory_length = WasmEdge_MemoryInstanceGetPageSize(&memoryCtx); [[maybe_unused]] const uint64_t memory_length = WasmEdge_MemoryInstanceGetPageSize(&memoryCtx) * \
WasmEdge_kPageSize;
#define WRITE_WASM_MEMORY(bytes_written, guest_dst_ptr, guest_dst_len,\ #define WRITE_WASM_MEMORY(bytes_written, guest_dst_ptr, guest_dst_len,\
host_src_ptr, host_src_len, host_memory_ptr, guest_memory_length)\ host_src_ptr, host_src_len, host_memory_ptr, guest_memory_length)\