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wrapkernel32.cpp
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#include "headers\wrapkernel32.h"
#include "headers\utilities.h"
static void wrapWritefile(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
DWORD bytesToWrite = (DWORD)drwrap_get_arg(wrapcxt, 2);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,0,%ld@", 2, drwrap_get_func(wrapcxt),
thread->sourceInstruction, bytesToWrite);
}
static void wrapReadfile(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
DWORD bytesToWrite = (DWORD)drwrap_get_arg(wrapcxt, 2);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,0,%ld@", 2, drwrap_get_func(wrapcxt),
thread->sourceInstruction, bytesToWrite);
#ifdef BREAK_LOOP_ON_BLOCK
printTagCache(thread);
#endif
}
static void wrapGetStdHandle(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
DWORD arg = (DWORD)drwrap_get_arg(wrapcxt, 0);
switch(arg)
{
case STD_INPUT_HANDLE:
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,0,%s@", 0, drwrap_get_func(wrapcxt), thread->sourceInstruction, "STDIN");
break;
case STD_OUTPUT_HANDLE:
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,0,%s@", 0, drwrap_get_func(wrapcxt), thread->sourceInstruction, "STDOUT");
break;
case STD_ERROR_HANDLE:
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,0,%s@", 0, drwrap_get_func(wrapcxt), thread->sourceInstruction, "STDERR");
break;
default:
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,0,%s(%d)@", 0, drwrap_get_func(wrapcxt), thread->sourceInstruction, "INVALID", arg);
break;
}
}
static void wrapGetprocaddr(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
LPCSTR procname = (LPCSTR)drwrap_get_arg(wrapcxt, 1);
if ((unsigned long)procname < 0xffff)
{
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,0,%d@", 1, drwrap_get_func(wrapcxt),
thread->sourceInstruction, procname);
return;
}
else
{
b64_string_arg(procname, thread->stringbuf);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,1,%s@", 1, drwrap_get_func(wrapcxt),
thread->sourceInstruction, thread->stringbuf);
}
}
static void wrapGetmodulehandlea(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
const char *modname = (const char*)drwrap_get_arg(wrapcxt, 0);
b64_string_arg(modname, thread->stringbuf);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,1,%s@", 0, drwrap_get_func(wrapcxt),
thread->sourceInstruction, thread->stringbuf);
}
static void wrapGetmodulehandlew(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
const wchar_t *modname = (wchar_t *)drwrap_get_arg(wrapcxt, 0);
b64_wstring_arg(modname, thread->stringbuf);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,1,%s@", 0, drwrap_get_func(wrapcxt),
thread->sourceInstruction, thread->stringbuf);
}
//we care if this is 0
static void wrapGetmodulefilenamea(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
HMODULE mod = (HMODULE)drwrap_get_arg(wrapcxt, 0);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,0,%lx@", 0, drwrap_get_func(wrapcxt),
thread->sourceInstruction, mod);
}
static void wrapCreatefileA(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
LPCTSTR filename = (LPCTSTR)drwrap_get_arg(wrapcxt, 0);
b64_string_arg(filename, thread->stringbuf);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,1,%s@", 0, drwrap_get_func(wrapcxt), thread->sourceInstruction, thread->stringbuf);
}
static void wrapCreatefileW(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
LPCWSTR filename = (LPCWSTR)drwrap_get_arg(wrapcxt, 0);
b64_wstring_arg(filename, thread->stringbuf);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,1,%s@", 0, drwrap_get_func(wrapcxt), thread->sourceInstruction, thread->stringbuf);
}
static void wrapCreateprocessinternalw(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
LPWSTR cmdline = (LPWSTR)drwrap_get_arg(wrapcxt, 1);
b64_wstring_arg(cmdline, thread->stringbuf);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,1,%s@", 1, drwrap_get_func(wrapcxt), thread->sourceInstruction, thread->stringbuf);
}
static void wrapCreateprocessA(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
LPCSTR cmdline = (LPCSTR)drwrap_get_arg(wrapcxt, 1);
b64_string_arg(cmdline, thread->stringbuf);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,1,%s@", 1, drwrap_get_func(wrapcxt), thread->sourceInstruction, thread->stringbuf);
}
static void wrapSleep(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
DWORD timeout = (DWORD)drwrap_get_arg(wrapcxt, 0);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,0,%ld@", 0, drwrap_get_func(wrapcxt),
thread->sourceInstruction, timeout);
dr_flush_file(thread->f);
if(traceClientptr->hidetime)
drwrap_set_arg(wrapcxt, 0, 0);
#ifdef BREAK_LOOP_ON_BLOCK
else if(timeout > 1000)
printTagCache(thread);
#endif
}
static void wrapCompareStrA(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
LPCTSTR arg1 = (LPTSTR)drwrap_get_arg(wrapcxt, 2);
b64_string_arg(arg1, thread->stringbuf);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",M,1,%s@", 2, drwrap_get_func(wrapcxt), thread->sourceInstruction, thread->stringbuf);
LPCTSTR arg2 = (LPTSTR)drwrap_get_arg(wrapcxt, 4);
b64_string_arg(arg2, thread->stringbuf);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,1,%s@", 4, drwrap_get_func(wrapcxt), thread->sourceInstruction, thread->stringbuf);
}
static void wrapGettickcount(void *wrapcxt, OUT void *user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
if (!thread->lastTick)
thread->lastTick = (DWORD64)drwrap_get_retval(wrapcxt);
else
{
thread->lastTick += dr_get_random_value(10);
drwrap_set_retval(wrapcxt,(void *)thread->lastTick);
}
}
static void wrapLoadlibraryW(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
LPCWSTR path = (LPCWSTR)drwrap_get_arg(wrapcxt, 0);
b64_wstring_arg(path, thread->stringbuf);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,1,%s@", 0, drwrap_get_func(wrapcxt), thread->sourceInstruction, thread->stringbuf);
}
static void wrapLoadlibraryA(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
LPCSTR path = (LPCSTR)drwrap_get_arg(wrapcxt, 0);
b64_string_arg(path, thread->stringbuf);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,1,%s@", 0, drwrap_get_func(wrapcxt), thread->sourceInstruction, thread->stringbuf);
}
static char* protectionToString(DWORD protect)
{
switch (protect)
{
case PAGE_EXECUTE: return "--X";
case PAGE_EXECUTE_READ: return "R-X";
case PAGE_EXECUTE_READWRITE: return "RWX";
case PAGE_EXECUTE_WRITECOPY: return "-WXcp";
case PAGE_NOACCESS: return "NO ACCESS";
case PAGE_READONLY: return "R--";
case PAGE_READWRITE: return "RW-";
case PAGE_WRITECOPY: return "-W-cp";
case 0x40000000: return "TARG INVAL_NOUPDATE";
default:
return "";
}
}
static void wrapVirtualprotect(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
DWORD newprotect = (DWORD)drwrap_get_arg(wrapcxt, 2);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,0,%x:%s@", 2, drwrap_get_func(wrapcxt), thread->sourceInstruction, newprotect, protectionToString(newprotect));
}
static void wrapVirtualprotectEx(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
DWORD newprotect = (DWORD)drwrap_get_arg(wrapcxt, 3);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,0,%x:%s@", 3, drwrap_get_func(wrapcxt), thread->sourceInstruction, newprotect, protectionToString(newprotect));
}
static void wrapVirtualalloc(void *wrapcxt, OUT void **user_data)
{
THREAD_STATE *thread = (THREAD_STATE *)drmgr_get_tls_field(dr_get_current_drcontext(), traceClientptr->tls_idx);
DWORD protect = (DWORD)drwrap_get_arg(wrapcxt, 2);
dr_fprintf(thread->f, "ARG,%d,"ADDR_FMT","ADDR_FMT",E,0,%x@", 2, drwrap_get_func(wrapcxt), thread->sourceInstruction, protect);
}
void wrap_kernel32(module_handle_t handle)
{
app_pc towrap = (app_pc)dr_get_proc_address(handle, "GetProcAddress");
if (towrap != NULL) {
drwrap_wrap(towrap, wrapGetprocaddr, NULL);
}
towrap = (app_pc)dr_get_proc_address(handle, "GetModuleHandleA");
if (towrap != NULL)
drwrap_wrap(towrap, wrapGetmodulehandlea, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "GetModuleFileNameA");
if (towrap != NULL)
drwrap_wrap(towrap, wrapGetmodulefilenamea, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "GetModuleHandleW");
if (towrap != NULL)
drwrap_wrap(towrap, wrapGetmodulehandlew, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "CreateFileA");
if (towrap != NULL)
drwrap_wrap(towrap, wrapCreatefileA, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "CreateFileW");
if (towrap != NULL)
drwrap_wrap(towrap, wrapCreatefileW, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "CreateProcessInternalW");
if (towrap != NULL)
drwrap_wrap(towrap, wrapCreateprocessinternalw, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "CreateProcessA");
if (towrap != NULL)
drwrap_wrap(towrap, wrapCreateprocessA, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "VirtualProtect");
if (towrap != NULL)
drwrap_wrap(towrap, wrapVirtualprotect, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "VirtualProtectEx");
if (towrap != NULL)
drwrap_wrap(towrap, wrapVirtualprotectEx, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "VirtualAlloc");
if (towrap != NULL)
drwrap_wrap(towrap, wrapVirtualalloc, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "LoadLibraryW");
if (towrap != NULL)
drwrap_wrap(towrap, wrapLoadlibraryW, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "LoadLibraryA");
if (towrap != NULL)
drwrap_wrap(towrap, wrapLoadlibraryA, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "Sleep");
if (towrap != NULL)
drwrap_wrap(towrap, wrapSleep, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "CompareStringA");
if (towrap != NULL)
drwrap_wrap(towrap, wrapCompareStrA, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "WriteFile");
if (towrap != NULL)
drwrap_wrap(towrap, wrapWritefile, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "ReadFile");
if (towrap != NULL)
drwrap_wrap(towrap, wrapReadfile, NULL);
towrap = (app_pc)dr_get_proc_address(handle, "GetStdHandle");
if (towrap != NULL)
drwrap_wrap(towrap, wrapGetStdHandle, NULL);
if (traceClientptr->hidetime)
{
towrap = (app_pc)dr_get_proc_address(handle, "GetTickCount");
if (towrap != NULL)
drwrap_wrap(towrap, NULL, wrapGettickcount);
towrap = (app_pc)dr_get_proc_address(handle, "GetTickCount64");
if (towrap != NULL)
drwrap_wrap(towrap, NULL, wrapGettickcount);
}
}