wibo/dll/kernel32.cpp

2289 lines
75 KiB
C++

#include "common.h"
#include "files.h"
#include "processes.h"
#include "handles.h"
#include <algorithm>
#include <cstdlib>
#include <ctype.h>
#include <filesystem>
#include <fnmatch.h>
#include <string>
#include "strutil.h"
#include <malloc.h>
#include <stdarg.h>
#include <system_error>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <spawn.h>
#include <vector>
typedef union _RTL_RUN_ONCE {
PVOID Ptr;
} RTL_RUN_ONCE, *PRTL_RUN_ONCE;
typedef PRTL_RUN_ONCE LPINIT_ONCE;
#define EXCEPTION_MAXIMUM_PARAMETERS 15
typedef struct _EXCEPTION_RECORD {
DWORD ExceptionCode;
DWORD ExceptionFlags;
struct _EXCEPTION_RECORD *ExceptionRecord;
PVOID ExceptionAddress;
DWORD NumberParameters;
ULONG_PTR ExceptionInformation[EXCEPTION_MAXIMUM_PARAMETERS];
} EXCEPTION_RECORD, *PEXCEPTION_RECORD;
typedef void *PCONTEXT;
typedef struct _EXCEPTION_POINTERS {
PEXCEPTION_RECORD ExceptionRecord;
PCONTEXT ContextRecord;
} EXCEPTION_POINTERS, *PEXCEPTION_POINTERS;
typedef LONG (*PVECTORED_EXCEPTION_HANDLER)(PEXCEPTION_POINTERS ExceptionInfo);
namespace kernel32 {
static void *doAlloc(unsigned int dwBytes, bool zero) {
if (dwBytes == 0)
dwBytes = 1;
void *ret = malloc(dwBytes);
if (ret && zero) {
memset(ret, 0, malloc_usable_size(ret));
}
return ret;
}
static void *doRealloc(void *mem, unsigned int dwBytes, bool zero) {
if (dwBytes == 0)
dwBytes = 1;
size_t oldSize = malloc_usable_size(mem);
void *ret = realloc(mem, dwBytes);
size_t newSize = malloc_usable_size(ret);
if (ret && zero && newSize > oldSize) {
memset((char*)ret + oldSize, 0, newSize - oldSize);
}
return ret;
}
static int doCompareString(const std::string &a, const std::string &b, unsigned int dwCmpFlags) {
for (size_t i = 0; ; i++) {
if (i == a.size()) {
if (i == b.size()) {
return 2; // CSTR_EQUAL
}
return 1; // CSTR_LESS_THAN
}
if (i == b.size()) {
return 3; // CSTR_GREATER_THAN
}
unsigned char c = a[i], d = b[i];
if (dwCmpFlags & 1) { // NORM_IGNORECASE
if ('a' <= c && c <= 'z') c -= 'a' - 'A';
if ('a' <= d && d <= 'z') d -= 'a' - 'A';
}
if (c != d) {
return c < d ? 1 : 3;
}
}
}
int64_t getFileSize(void* hFile) {
FILE *fp = files::fpFromHandle(hFile);
struct stat64 st;
fflush(fp);
if (fstat64(fileno(fp), &st) == -1 || !S_ISREG(st.st_mode)) {
wibo::lastError = 2; // ERROR_FILE_NOT_FOUND (?)
return -1; // INVALID_FILE_SIZE
}
return st.st_size;
}
void setLastErrorFromErrno() {
switch (errno) {
case 0:
wibo::lastError = ERROR_SUCCESS;
break;
case EACCES:
wibo::lastError = ERROR_ACCESS_DENIED;
break;
case EEXIST:
wibo::lastError = ERROR_ALREADY_EXISTS;
break;
case ENOENT:
wibo::lastError = ERROR_FILE_NOT_FOUND;
break;
case ENOTDIR:
wibo::lastError = ERROR_PATH_NOT_FOUND;
break;
default:
wibo::lastError = ERROR_NOT_SUPPORTED;
break;
}
}
uint32_t WIN_FUNC GetLastError() {
return wibo::lastError;
}
void WIN_FUNC SetLastError(unsigned int dwErrCode) {
DEBUG_LOG("SetLastError(%u)\n", dwErrCode);
wibo::lastError = dwErrCode;
}
PVOID WIN_FUNC AddVectoredExceptionHandler(ULONG first, PVECTORED_EXCEPTION_HANDLER handler) {
DEBUG_LOG("STUB: AddVectoredExceptionHandler(%u, %p)\n", first, handler);
return (PVOID)handler;
}
// @brief returns a pseudo handle to the current process
void *WIN_FUNC GetCurrentProcess() {
// pseudo handle is always returned, and is -1 (a special constant)
return (void *) 0xFFFFFFFF;
}
// @brief DWORD (unsigned int) returns a process identifier of the calling process.
unsigned int WIN_FUNC GetCurrentProcessId() {
uint32_t pid = getpid();
DEBUG_LOG("Current processID is: %d\n", pid);
return pid;
}
unsigned int WIN_FUNC GetCurrentThreadId() {
pthread_t thread_id;
thread_id = pthread_self();
DEBUG_LOG("Current thread ID is: %lu\n", thread_id);
// Cast thread_id to unsigned int to fit a DWORD
unsigned int u_thread_id = (unsigned int) thread_id;
return u_thread_id;
}
void WIN_FUNC ExitProcess(unsigned int uExitCode) {
DEBUG_LOG("ExitProcess %d\n", uExitCode);
exit(uExitCode);
}
BOOL WIN_FUNC GetExitCodeProcess(HANDLE hProcess, LPDWORD lpExitCode) {
DEBUG_LOG("GetExitCodeProcess\n");
processes::Process* process = processes::processFromHandle(hProcess, false);
*lpExitCode = process->exitCode;
return 1; // success in retrieval
}
struct PROCESS_INFORMATION {
HANDLE hProcess;
HANDLE hThread;
DWORD dwProcessId;
DWORD dwThreadId;
};
BOOL WIN_FUNC CreateProcessA(
LPCSTR lpApplicationName,
LPSTR lpCommandLine,
void *lpProcessAttributes,
void *lpThreadAttributes,
BOOL bInheritHandles,
DWORD dwCreationFlags,
LPVOID lpEnvironment,
LPCSTR lpCurrentDirectory,
void *lpStartupInfo,
PROCESS_INFORMATION *lpProcessInformation
) {
DEBUG_LOG("CreateProcessA %s \"%s\" %p %p %d 0x%x %p %s %p %p\n",
lpApplicationName,
lpCommandLine,
lpProcessAttributes,
lpThreadAttributes,
bInheritHandles,
dwCreationFlags,
lpEnvironment,
lpCurrentDirectory ? lpCurrentDirectory : "<none>",
lpStartupInfo,
lpProcessInformation
);
// Argument parsing
// First: how many arguments do we have?
size_t argc = 2;
for (size_t i = 1; i < strlen(lpCommandLine); i++) {
if (isspace(lpCommandLine[i]) && !isspace(lpCommandLine[i - 1]))
argc++;
}
char **argv = (char **) calloc(argc + 1, sizeof(char*));
argv[0] = wibo::executableName;
std::string pathStr = files::pathFromWindows(lpApplicationName).string();
argv[1] = (char *) pathStr.c_str();
char* arg = strtok(lpCommandLine, " ");
size_t current_arg_index = 2;
while (arg != NULL) {
// We're deliberately discarding the first token here
// to prevent from doubling up on the target executable name
// (it appears as lpApplicationName, and as the first token in lpCommandLine)
arg = strtok(NULL, " ");
argv[current_arg_index++] = arg;
}
argv[argc] = NULL; // Last element in argv should be a null pointer
// YET TODO: take into account process / thread attributes, environment variables
// working directory, etc.
setenv("WIBO_DEBUG_INDENT", std::to_string(wibo::debugIndent + 1).c_str(), true);
pid_t pid;
if (posix_spawn(&pid, wibo::executableName, NULL, NULL, argv, environ)) {
return 0;
};
*lpProcessInformation = {
.hProcess = processes::allocProcessHandle(pid),
.hThread = nullptr,
.dwProcessId = (DWORD) pid,
.dwThreadId = 42
};
return 1;
}
unsigned int WIN_FUNC WaitForSingleObject(void *hHandle, unsigned int dwMilliseconds) {
DEBUG_LOG("WaitForSingleObject (%u)\n", dwMilliseconds);
// TODO - wait on other objects?
// TODO: wait for less than forever
assert(dwMilliseconds == 0xffffffff);
processes::Process* process = processes::processFromHandle(hHandle, false);
int status;
waitpid(process->pid, &status, 0);
if (WIFEXITED(status)) {
process->exitCode = WEXITSTATUS(status);
} else {
// If we're here, *something* has caused our child process to exit abnormally
// Specific exit codes don't really map onto any of these situations - we just know it's bad.
// Specify a non-zero exit code to alert our parent process something's gone wrong.
DEBUG_LOG("WaitForSingleObject: Child process exited abnormally - returning exit code 1.");
process->exitCode = 1;
}
return 0;
}
int WIN_FUNC GetSystemDefaultLangID() {
return 0;
}
struct LIST_ENTRY;
struct LIST_ENTRY {
LIST_ENTRY *Flink;
LIST_ENTRY *Blink;
};
struct CRITICAL_SECTION_DEBUG;
struct CRITICAL_SECTION {
CRITICAL_SECTION_DEBUG *DebugInfo;
unsigned int LockCount;
unsigned int RecursionCount;
void *OwningThread;
void *LockSemaphore;
unsigned int SpinCount;
};
struct CRITICAL_SECTION_DEBUG {
int Type;
int CreatorBackTraceIndex;
CRITICAL_SECTION *CriticalSection;
LIST_ENTRY ProcessLocksList;
unsigned int EntryCount;
unsigned int ContentionCount;
unsigned int Flags;
int CreatorBackTraceIndexHigh;
int SpareUSHORT;
};
void WIN_FUNC InitializeCriticalSection(CRITICAL_SECTION *param) {
// DEBUG_LOG("InitializeCriticalSection(...)\n");
}
void WIN_FUNC InitializeCriticalSectionEx(CRITICAL_SECTION *param) {
// DEBUG_LOG("InitializeCriticalSection(...)\n");
}
void WIN_FUNC DeleteCriticalSection(CRITICAL_SECTION *param) {
// DEBUG_LOG("DeleteCriticalSection(...)\n");
}
void WIN_FUNC EnterCriticalSection(CRITICAL_SECTION *param) {
// DEBUG_LOG("EnterCriticalSection(...)\n");
}
void WIN_FUNC LeaveCriticalSection(CRITICAL_SECTION *param) {
// DEBUG_LOG("LeaveCriticalSection(...)\n");
}
unsigned int WIN_FUNC InitializeCriticalSectionAndSpinCount(CRITICAL_SECTION *lpCriticalSection, unsigned int dwSpinCount) {
DEBUG_LOG("InitializeCriticalSectionAndSpinCount (%i)\n", dwSpinCount);
// can we get away with doing nothing...?
memset(lpCriticalSection, 0, sizeof(CRITICAL_SECTION));
lpCriticalSection->SpinCount = dwSpinCount;
return 1;
}
int WIN_FUNC InitOnceBeginInitialize(LPINIT_ONCE lpInitOnce, DWORD dwFlags, PBOOL fPending, LPVOID* lpContext) {
DEBUG_LOG("STUB: InitOnceBeginInitialize\n");
return 1;
}
void WIN_FUNC AcquireSRWLockShared(void *SRWLock) { DEBUG_LOG("STUB: AcquireSRWLockShared(%p)\n", SRWLock); }
void WIN_FUNC ReleaseSRWLockShared(void *SRWLock) { DEBUG_LOG("STUB: ReleaseSRWLockShared(%p)\n", SRWLock); }
void WIN_FUNC AcquireSRWLockExclusive(void *SRWLock) { DEBUG_LOG("STUB: AcquireSRWLockExclusive(%p)\n", SRWLock); }
void WIN_FUNC ReleaseSRWLockExclusive(void *SRWLock) { DEBUG_LOG("STUB: ReleaseSRWLockExclusive(%p)\n", SRWLock); }
int WIN_FUNC TryAcquireSRWLockExclusive(void *SRWLock) {
DEBUG_LOG("STUB: TryAcquireSRWLockExclusive(%p)\n", SRWLock);
return 1;
}
/*
* TLS (Thread-Local Storage)
*/
enum { MAX_TLS_VALUES = 100 };
static bool tlsValuesUsed[MAX_TLS_VALUES] = { false };
static void *tlsValues[MAX_TLS_VALUES];
unsigned int WIN_FUNC TlsAlloc() {
DEBUG_LOG("TlsAlloc()\n");
for (size_t i = 0; i < MAX_TLS_VALUES; i++) {
if (tlsValuesUsed[i] == false) {
tlsValuesUsed[i] = true;
tlsValues[i] = 0;
DEBUG_LOG("...returning %d\n", i);
return i;
}
}
DEBUG_LOG("...returning nothing\n");
wibo::lastError = 1;
return 0xFFFFFFFF; // TLS_OUT_OF_INDEXES
}
unsigned int WIN_FUNC TlsFree(unsigned int dwTlsIndex) {
DEBUG_LOG("TlsFree(%u)\n", dwTlsIndex);
if (dwTlsIndex >= 0 && dwTlsIndex < MAX_TLS_VALUES && tlsValuesUsed[dwTlsIndex]) {
tlsValuesUsed[dwTlsIndex] = false;
return 1;
} else {
wibo::lastError = 1;
return 0;
}
}
void *WIN_FUNC TlsGetValue(unsigned int dwTlsIndex) {
// DEBUG_LOG("TlsGetValue(%u)", dwTlsIndex);
void *result = nullptr;
if (dwTlsIndex >= 0 && dwTlsIndex < MAX_TLS_VALUES && tlsValuesUsed[dwTlsIndex]) {
result = tlsValues[dwTlsIndex];
// See https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-TlsGetValue#return-value
wibo::lastError = ERROR_SUCCESS;
} else {
wibo::lastError = 1;
}
// DEBUG_LOG(" -> %p\n", result);
return result;
}
unsigned int WIN_FUNC TlsSetValue(unsigned int dwTlsIndex, void *lpTlsValue) {
// DEBUG_LOG("TlsSetValue(%u, %p)\n", dwTlsIndex, lpTlsValue);
if (dwTlsIndex >= 0 && dwTlsIndex < MAX_TLS_VALUES && tlsValuesUsed[dwTlsIndex]) {
tlsValues[dwTlsIndex] = lpTlsValue;
return 1;
} else {
wibo::lastError = 1;
return 0;
}
}
/*
* Memory
*/
void *WIN_FUNC GlobalAlloc(uint32_t uFlags, size_t dwBytes) {
// DEBUG_LOG("GlobalAlloc(flags=%x, size=%x)\n", uFlags, dwBytes);
if (uFlags & 2) {
// GMEM_MOVEABLE - not implemented rn
assert(0);
return 0;
} else {
// GMEM_FIXED - this is simpler
bool zero = uFlags & 0x40; // GMEM_ZEROINT
return doAlloc(dwBytes, zero);
}
}
void *WIN_FUNC GlobalFree(void *hMem) {
free(hMem);
return 0;
}
void *WIN_FUNC GlobalReAlloc(void *hMem, size_t dwBytes, uint32_t uFlags) {
if (uFlags & 0x80) { // GMEM_MODIFY
assert(0);
} else {
bool zero = uFlags & 0x40; // GMEM_ZEROINT
return doRealloc(hMem, dwBytes, zero);
}
}
unsigned int WIN_FUNC GlobalFlags(void *hMem) {
return 0;
}
/*
* Environment
*/
LPSTR WIN_FUNC GetCommandLineA() {
DEBUG_LOG("GetCommandLineA\n");
return wibo::commandLine;
}
LPWSTR WIN_FUNC GetCommandLineW() {
DEBUG_LOG("GetCommandLineW -> ");
return wibo::commandLineW.data();
}
char *WIN_FUNC GetEnvironmentStrings() {
DEBUG_LOG("GetEnvironmentStrings\n");
// Step 1, figure out the size of the buffer we need.
size_t bufSize = 0;
char **work = environ;
while (*work) {
bufSize += strlen(*work) + 1;
work++;
}
bufSize++;
// Step 2, actually build that buffer
char *buffer = (char *) malloc(bufSize);
char *ptr = buffer;
work = environ;
while (*work) {
size_t strSize = strlen(*work);
memcpy(ptr, *work, strSize);
ptr[strSize] = 0;
ptr += strSize + 1;
work++;
}
*ptr = 0; // an extra null at the end
return buffer;
}
uint16_t* WIN_FUNC GetEnvironmentStringsW() {
DEBUG_LOG("GetEnvironmentStringsW\n");
// Step 1, figure out the size of the buffer we need.
size_t bufSizeW = 0;
char **work = environ;
while (*work) {
// "hello|" -> " h e l l o|"
bufSizeW += strlen(*work) + 1;
work++;
}
bufSizeW++;
// Step 2, actually build that buffer
uint16_t *buffer = (uint16_t *) malloc(bufSizeW * 2);
uint16_t *ptr = buffer;
work = environ;
while (*work) {
size_t strSize = strlen(*work);
for (size_t i = 0; i < strSize; i++) {
*ptr++ = (*work)[i] & 0xFF;
}
*ptr++ = 0; // NUL terminate
work++;
}
*ptr = 0; // an extra null at the end
return buffer;
}
void WIN_FUNC FreeEnvironmentStringsA(char *buffer) {
DEBUG_LOG("FreeEnvironmentStringsA\n");
free(buffer);
}
/*
* I/O
*/
void *WIN_FUNC GetStdHandle(uint32_t nStdHandle) {
DEBUG_LOG("GetStdHandle %d\n", nStdHandle);
return files::getStdHandle(nStdHandle);
}
unsigned int WIN_FUNC SetStdHandle(uint32_t nStdHandle, void *hHandle) {
DEBUG_LOG("SetStdHandle %d %p\n", nStdHandle, hHandle);
return files::setStdHandle(nStdHandle, hHandle);
}
unsigned int WIN_FUNC DuplicateHandle(void *hSourceProcessHandle, void *hSourceHandle, void *hTargetProcessHandle, void **lpTargetHandle, unsigned int dwDesiredAccess, unsigned int bInheritHandle, unsigned int dwOptions) {
DEBUG_LOG("DuplicateHandle(source=%p)\n", hSourceHandle);
FILE *fp = files::fpFromHandle(hSourceHandle);
if (fp == stdin || fp == stdout || fp == stderr) {
// we never close standard handles so they are fine to duplicate
void *handle = files::allocFpHandle(fp);
DEBUG_LOG("-> %p\n", handle);
*lpTargetHandle = handle;
return 1;
}
// other handles are more problematic; fail for now
printf("failed to duplicate handle\n");
assert(0);
}
BOOL WIN_FUNC CloseHandle(HANDLE hObject) {
DEBUG_LOG("CloseHandle(%p)\n", hObject);
auto data = handles::dataFromHandle(hObject, true);
if (data.type == handles::TYPE_FILE) {
FILE *fp = (FILE *) data.ptr;
if (!(fp == stdin || fp == stdout || fp == stderr)) {
fclose(fp);
}
} else if (data.type == handles::TYPE_MAPPED) {
if (data.ptr != (void *) 0x1) {
munmap(data.ptr, data.size);
}
} else if (data.type == handles::TYPE_PROCESS) {
delete (processes::Process*) data.ptr;
}
return TRUE;
}
DWORD WIN_FUNC GetFullPathNameA(LPCSTR lpFileName, DWORD nBufferLength, LPSTR lpBuffer, LPSTR *lpFilePart) {
DEBUG_LOG("GetFullPathNameA(%s) ", lpFileName);
std::filesystem::path absPath = std::filesystem::absolute(files::pathFromWindows(lpFileName));
std::string absStr = files::pathToWindows(absPath);
DEBUG_LOG("-> %s\n", absStr.c_str());
// Enough space?
if ((absStr.size() + 1) <= nBufferLength) {
strcpy(lpBuffer, absStr.c_str());
// Do we need to fill in FilePart?
if (lpFilePart) {
*lpFilePart = 0;
if (!std::filesystem::is_directory(absPath)) {
*lpFilePart = strrchr(lpBuffer, '\\');
if (*lpFilePart)
*lpFilePart += 1;
}
}
return absStr.size();
} else {
return absStr.size() + 1;
}
}
DWORD WIN_FUNC GetFullPathNameW(LPCWSTR lpFileName, DWORD nBufferLength, LPWSTR lpBuffer, LPWSTR *lpFilePart) {
const auto fileName = wideStringToString(lpFileName);
DEBUG_LOG("GetFullPathNameW(%s) ", fileName.c_str());
const auto lpFileNameA = wideStringToString(lpFileName);
std::filesystem::path absPath = std::filesystem::absolute(files::pathFromWindows(lpFileNameA.c_str()));
std::string absStr = files::pathToWindows(absPath);
const auto absStrW = stringToWideString(absStr.c_str());
DEBUG_LOG("-> %s\n", absStr.c_str());
const auto len = wstrlen(absStrW.data());
if (nBufferLength < len + 1) {
return len + 1;
}
wstrncpy(lpBuffer, absStrW.data(), len + 1);
assert(!lpFilePart);
return len;
}
/**
* @brief GetShortPathNameA: Retrieves the short path form of the specified path
*
* @param[in] lpszLongPath The path string
* @param[out] lpszShortPath A pointer to a buffer to receive
* @param[in] cchBuffer The size of the buffer that lpszShortPath points to
* @return unsigned int
*/
unsigned int WIN_FUNC GetShortPathNameA(const char* lpszLongPath, char* lpszShortPath, unsigned int cchBuffer) {
DEBUG_LOG("GetShortPathNameA(%s)...\n",lpszShortPath);
std::filesystem::path absPath = std::filesystem::absolute(files::pathFromWindows(lpszLongPath));
std::string absStr = files::pathToWindows(absPath);
if (absStr.length() + 1 > cchBuffer)
{
return absStr.length()+1;
}
else
{
strcpy(lpszShortPath, absStr.c_str());
return absStr.length();
}
}
struct FILETIME {
unsigned int dwLowDateTime;
unsigned int dwHighDateTime;
};
static const uint64_t UNIX_TIME_ZERO = 11644473600LL * 10000000;
static const FILETIME defaultFiletime = {
(unsigned int)UNIX_TIME_ZERO,
(unsigned int)(UNIX_TIME_ZERO >> 32)
};
template<typename CharType>
struct WIN32_FIND_DATA {
uint32_t dwFileAttributes;
FILETIME ftCreationTime;
FILETIME ftLastAccessTime;
FILETIME ftLastWriteTime;
uint32_t nFileSizeHigh;
uint32_t nFileSizeLow;
uint32_t dwReserved0;
uint32_t dwReserved1;
CharType cFileName[260];
CharType cAlternateFileName[14];
};
struct FindFirstFileHandle {
std::filesystem::directory_iterator it;
std::string pattern;
};
bool findNextFile(FindFirstFileHandle *handle) {
while (handle->it != std::filesystem::directory_iterator()) {
std::filesystem::path path = *handle->it;
if (fnmatch(handle->pattern.c_str(), path.filename().c_str(), 0) == 0) {
return true;
}
handle->it++;
}
return false;
}
void setFindFileDataFromPath(WIN32_FIND_DATA<char>* data, const std::filesystem::path &path) {
auto status = std::filesystem::status(path);
uint64_t fileSize = 0;
data->dwFileAttributes = 0;
if (std::filesystem::is_directory(status)) {
data->dwFileAttributes |= 0x10;
}
if (std::filesystem::is_regular_file(status)) {
data->dwFileAttributes |= 0x80;
fileSize = std::filesystem::file_size(path);
}
data->nFileSizeHigh = (uint32_t)(fileSize >> 32);
data->nFileSizeLow = (uint32_t)fileSize;
auto fileName = path.filename().string();
assert(fileName.size() < 260);
strcpy(data->cFileName, fileName.c_str());
strcpy(data->cAlternateFileName, "8P3FMTFN.BAD");
}
void *WIN_FUNC FindFirstFileA(const char *lpFileName, WIN32_FIND_DATA<char> *lpFindFileData) {
// This should handle wildcards too, but whatever.
auto path = files::pathFromWindows(lpFileName);
DEBUG_LOG("FindFirstFileA %s (%s)\n", lpFileName, path.c_str());
lpFindFileData->ftCreationTime = defaultFiletime;
lpFindFileData->ftLastAccessTime = defaultFiletime;
lpFindFileData->ftLastWriteTime = defaultFiletime;
auto status = std::filesystem::status(path);
if (status.type() == std::filesystem::file_type::regular) {
setFindFileDataFromPath(lpFindFileData, path);
return (void *) 1;
}
auto *handle = new FindFirstFileHandle();
if (!std::filesystem::exists(path.parent_path())) {
wibo::lastError = ERROR_PATH_NOT_FOUND;
delete handle;
return INVALID_HANDLE_VALUE;
}
std::filesystem::directory_iterator it(path.parent_path());
handle->it = it;
handle->pattern = path.filename().string();
if (!findNextFile(handle)) {
wibo::lastError = ERROR_FILE_NOT_FOUND;
delete handle;
return INVALID_HANDLE_VALUE;
}
setFindFileDataFromPath(lpFindFileData, *handle->it++);
return handle;
}
typedef enum _FINDEX_INFO_LEVELS {
FindExInfoStandard,
FindExInfoBasic,
FindExInfoMaxInfoLevel
} FINDEX_INFO_LEVELS;
typedef enum _FINDEX_SEARCH_OPS {
FindExSearchNameMatch,
FindExSearchLimitToDirectories,
FindExSearchLimitToDevices,
FindExSearchMaxSearchOp
} FINDEX_SEARCH_OPS;
void *WIN_FUNC FindFirstFileExA(const char *lpFileName, FINDEX_INFO_LEVELS fInfoLevelId, void *lpFindFileData, FINDEX_SEARCH_OPS fSearchOp, void *lpSearchFilter, unsigned int dwAdditionalFlags) {
assert(fInfoLevelId == FindExInfoStandard);
auto path = files::pathFromWindows(lpFileName);
DEBUG_LOG("FindFirstFileExA %s (%s)\n", lpFileName, path.c_str());
return FindFirstFileA(lpFileName, (WIN32_FIND_DATA<char> *) lpFindFileData);
}
int WIN_FUNC FindNextFileA(void *hFindFile, WIN32_FIND_DATA<char> *lpFindFileData) {
// Special value from FindFirstFileA
if (hFindFile == (void *) 1) {
wibo::lastError = ERROR_NO_MORE_FILES;
return 0;
}
auto *handle = (FindFirstFileHandle *) hFindFile;
if (!findNextFile(handle)) {
wibo::lastError = ERROR_NO_MORE_FILES;
return 0;
}
setFindFileDataFromPath(lpFindFileData, *handle->it++);
return 1;
}
int WIN_FUNC FindClose(void *hFindFile) {
DEBUG_LOG("FindClose\n");
if (hFindFile != (void *) 1) {
delete (FindFirstFileHandle *)hFindFile;
}
return 1;
}
unsigned int WIN_FUNC GetFileAttributesA(const char *lpFileName) {
auto path = files::pathFromWindows(lpFileName);
DEBUG_LOG("GetFileAttributesA(%s)... (%s)\n", lpFileName, path.c_str());
// See ole32::CoCreateInstance
if (endsWith(path, "/license.dat")) {
DEBUG_LOG("MWCC license override\n");
return 0x80; // FILE_ATTRIBUTE_NORMAL
}
auto status = std::filesystem::status(path);
wibo::lastError = 0;
switch (status.type()) {
case std::filesystem::file_type::regular:
DEBUG_LOG("File exists\n");
return 0x80; // FILE_ATTRIBUTE_NORMAL
case std::filesystem::file_type::directory:
return 0x10; // FILE_ATTRIBUTE_DIRECTORY
case std::filesystem::file_type::not_found:
default:
DEBUG_LOG("File does not exist\n");
wibo::lastError = 2; // ERROR_FILE_NOT_FOUND
return 0xFFFFFFFF; // INVALID_FILE_ATTRIBUTES
}
}
unsigned int WIN_FUNC WriteFile(void *hFile, const void *lpBuffer, unsigned int nNumberOfBytesToWrite, unsigned int *lpNumberOfBytesWritten, void *lpOverlapped) {
DEBUG_LOG("WriteFile(%p, %d)\n", hFile, nNumberOfBytesToWrite);
assert(!lpOverlapped);
wibo::lastError = 0;
FILE *fp = files::fpFromHandle(hFile);
size_t written = fwrite(lpBuffer, 1, nNumberOfBytesToWrite, fp);
if (lpNumberOfBytesWritten)
*lpNumberOfBytesWritten = written;
#if 0
printf("writing:\n");
for (unsigned int i = 0; i < nNumberOfBytesToWrite; i++) {
printf("%c", ((const char*)lpBuffer)[i]);
}
printf("\n");
#endif
if (written == 0)
wibo::lastError = 29; // ERROR_WRITE_FAULT
return (written == nNumberOfBytesToWrite);
}
unsigned int WIN_FUNC ReadFile(void *hFile, void *lpBuffer, unsigned int nNumberOfBytesToRead, unsigned int *lpNumberOfBytesRead, void *lpOverlapped) {
DEBUG_LOG("ReadFile %p %d\n", hFile, nNumberOfBytesToRead);
assert(!lpOverlapped);
wibo::lastError = 0;
FILE *fp = files::fpFromHandle(hFile);
size_t read = fread(lpBuffer, 1, nNumberOfBytesToRead, fp);
*lpNumberOfBytesRead = read;
return 1;
}
void *WIN_FUNC CreateFileA(
const char* lpFileName,
unsigned int dwDesiredAccess,
unsigned int dwShareMode,
void *lpSecurityAttributes,
unsigned int dwCreationDisposition,
unsigned int dwFlagsAndAttributes,
void *hTemplateFile) {
std::string path = files::pathFromWindows(lpFileName);
DEBUG_LOG("CreateFileA(filename=%s (%s), desiredAccess=0x%x, shareMode=%u, securityAttributes=%p, creationDisposition=%u, flagsAndAttributes=%u)\n",
lpFileName, path.c_str(),
dwDesiredAccess, dwShareMode, lpSecurityAttributes,
dwCreationDisposition, dwFlagsAndAttributes);
FILE *fp;
if (dwDesiredAccess == 0x80000000) { // read
fp = fopen(path.c_str(), "rb");
} else if (dwDesiredAccess == 0x40000000) { // write
fp = fopen(path.c_str(), "wb");
} else if (dwDesiredAccess == 0xc0000000) { // read/write
fp = fopen(path.c_str(), "wb+");
} else {
assert(0);
}
if (fp) {
wibo::lastError = 0;
void *handle = files::allocFpHandle(fp);
DEBUG_LOG("-> %p\n", handle);
return handle;
} else {
setLastErrorFromErrno();
return INVALID_HANDLE_VALUE;
}
}
void *WIN_FUNC CreateFileW(const uint16_t *lpFileName, unsigned int dwDesiredAccess, unsigned int dwShareMode,
void *lpSecurityAttributes, unsigned int dwCreationDisposition, unsigned int dwFlagsAndAttributes,
void *hTemplateFile) {
DEBUG_LOG("CreateFileW -> ");
const auto lpFileNameA = wideStringToString(lpFileName);
return CreateFileA(lpFileNameA.c_str(), dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition,
dwFlagsAndAttributes, hTemplateFile);
}
void *WIN_FUNC CreateFileMappingA(
void *hFile,
void *lpFileMappingAttributes,
unsigned int flProtect,
unsigned int dwMaximumSizeHigh,
unsigned int dwMaximumSizeLow,
const char *lpName) {
DEBUG_LOG("CreateFileMappingA(%p, %p, %u, %u, %u, %s)\n", hFile, lpFileMappingAttributes, flProtect, dwMaximumSizeHigh, dwMaximumSizeLow, lpName);
int64_t size = (int64_t) dwMaximumSizeHigh << 32 | dwMaximumSizeLow;
void *mmapped;
if (hFile == (void*) -1) { // INVALID_HANDLE_VALUE
if (size == 0) {
mmapped = (void *) 0x1;
} else {
mmapped = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
}
} else {
int fd = fileno(files::fpFromHandle(hFile));
if (size == 0) {
size = getFileSize(hFile);
if (size == -1) {
return (void*) -1;
}
}
if (size == 0) {
mmapped = (void *) 0x1;
} else {
mmapped = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
}
}
assert(mmapped != MAP_FAILED);
return handles::allocDataHandle({handles::TYPE_MAPPED, mmapped, (unsigned int) size});
}
void *WIN_FUNC MapViewOfFile(
void *hFileMappingObject,
unsigned int dwDesiredAccess,
unsigned int dwFileOffsetHigh,
unsigned int dwFileOffsetLow,
unsigned int dwNumberOfBytesToMap) {
DEBUG_LOG("MapViewOfFile(%p, %u, %u, %u, %u)\n", hFileMappingObject, dwDesiredAccess, dwFileOffsetHigh, dwFileOffsetLow, dwNumberOfBytesToMap);
handles::Data data = handles::dataFromHandle(hFileMappingObject, false);
assert(data.type == handles::TYPE_MAPPED);
return (void*)((unsigned int) data.ptr + dwFileOffsetLow);
}
int WIN_FUNC UnmapViewOfFile(void *lpBaseAddress) {
DEBUG_LOG("UnmapViewOfFile(%p)\n", lpBaseAddress);
return 1;
}
int WIN_FUNC DeleteFileA(const char* lpFileName) {
std::string path = files::pathFromWindows(lpFileName);
DEBUG_LOG("DeleteFileA %s (%s)\n", lpFileName, path.c_str());
unlink(path.c_str());
return 1;
}
DWORD WIN_FUNC SetFilePointer(HANDLE hFile, LONG lDistanceToMove, PLONG lpDistanceToMoveHigh, DWORD dwMoveMethod) {
DEBUG_LOG("SetFilePointer(%p, %d, %d)\n", hFile, lDistanceToMove, dwMoveMethod);
assert(!lpDistanceToMoveHigh || *lpDistanceToMoveHigh == 0);
FILE *fp = files::fpFromHandle(hFile);
wibo::lastError = ERROR_SUCCESS;
int r = fseek(fp, lDistanceToMove, dwMoveMethod == 0 ? SEEK_SET : dwMoveMethod == 1 ? SEEK_CUR : SEEK_END);
if (r < 0) {
if (errno == EINVAL)
wibo::lastError = ERROR_NEGATIVE_SEEK;
else
wibo::lastError = ERROR_INVALID_PARAMETER;
return INVALID_SET_FILE_POINTER;
}
r = ftell(fp);
assert(r >= 0);
return r;
}
BOOL WIN_FUNC SetFilePointerEx(HANDLE hFile, LARGE_INTEGER lDistanceToMove, PLARGE_INTEGER lpDistanceToMoveHigh,
DWORD dwMoveMethod) {
assert(!lpDistanceToMoveHigh || *lpDistanceToMoveHigh == 0);
DEBUG_LOG("SetFilePointerEx(%p, %ld, %d)\n", hFile, lDistanceToMove, dwMoveMethod);
FILE *fp = files::fpFromHandle(hFile);
wibo::lastError = ERROR_SUCCESS;
int r = fseeko64(fp, lDistanceToMove, dwMoveMethod == 0 ? SEEK_SET : dwMoveMethod == 1 ? SEEK_CUR : SEEK_END);
if (r < 0) {
if (errno == EINVAL)
wibo::lastError = ERROR_NEGATIVE_SEEK;
else
wibo::lastError = ERROR_INVALID_PARAMETER;
return FALSE;
}
r = ftell(fp);
assert(r >= 0);
return TRUE;
}
int WIN_FUNC SetEndOfFile(void *hFile) {
DEBUG_LOG("SetEndOfFile\n");
FILE *fp = files::fpFromHandle(hFile);
fflush(fp);
return ftruncate(fileno(fp), ftell(fp)) == 0;
}
int WIN_FUNC CreateDirectoryA(const char *lpPathName, void *lpSecurityAttributes) {
std::string path = files::pathFromWindows(lpPathName);
DEBUG_LOG("CreateDirectoryA(%s, %p)\n", path.c_str(), lpSecurityAttributes);
return mkdir(path.c_str(), 0755) == 0;
}
int WIN_FUNC RemoveDirectoryA(const char *lpPathName) {
std::string path = files::pathFromWindows(lpPathName);
DEBUG_LOG("RemoveDirectoryA(%s)\n", path.c_str());
return rmdir(path.c_str()) == 0;
}
int WIN_FUNC SetFileAttributesA(const char *lpPathName, unsigned int dwFileAttributes) {
std::string path = files::pathFromWindows(lpPathName);
DEBUG_LOG("SetFileAttributesA(%s, %u)\n", path.c_str(), dwFileAttributes);
return 1;
}
unsigned int WIN_FUNC GetFileSize(void *hFile, unsigned int *lpFileSizeHigh) {
DEBUG_LOG("GetFileSize\n");
int64_t size = getFileSize(hFile);
if (size == -1) {
return 0xFFFFFFFF; // INVALID_FILE_SIZE
}
DEBUG_LOG("-> %ld\n", size);
if (lpFileSizeHigh != nullptr) {
*lpFileSizeHigh = size >> 32;
}
return size;
}
/*
* Time
*/
int WIN_FUNC GetFileTime(void *hFile, FILETIME *lpCreationTime, FILETIME *lpLastAccessTime, FILETIME *lpLastWriteTime) {
DEBUG_LOG("GetFileTime %p %p %p\n", lpCreationTime, lpLastAccessTime, lpLastWriteTime);
if (lpCreationTime) *lpCreationTime = defaultFiletime;
if (lpLastAccessTime) *lpLastAccessTime = defaultFiletime;
if (lpLastWriteTime) *lpLastWriteTime = defaultFiletime;
return 1;
}
struct SYSTEMTIME {
short wYear;
short wMonth;
short wDayOfWeek;
short wDay;
short wHour;
short wMinute;
short wSecond;
short wMilliseconds;
};
void WIN_FUNC GetSystemTime(SYSTEMTIME *lpSystemTime) {
DEBUG_LOG("GetSystemTime\n");
lpSystemTime->wYear = 0;
lpSystemTime->wMonth = 0;
lpSystemTime->wDayOfWeek = 0;
lpSystemTime->wDay = 0;
lpSystemTime->wHour = 0;
lpSystemTime->wMinute = 0;
lpSystemTime->wSecond = 0;
lpSystemTime->wMilliseconds = 0;
}
void WIN_FUNC GetLocalTime(SYSTEMTIME *lpSystemTime) {
DEBUG_LOG("GetLocalTime\n");
GetSystemTime(lpSystemTime);
}
int WIN_FUNC SystemTimeToFileTime(const SYSTEMTIME *lpSystemTime, FILETIME *lpFileTime) {
DEBUG_LOG("SystemTimeToFileTime\n");
*lpFileTime = defaultFiletime;
return 1;
}
void WIN_FUNC GetSystemTimeAsFileTime(FILETIME *lpSystemTimeAsFileTime) {
DEBUG_LOG("GetSystemTimeAsFileTime\n");
*lpSystemTimeAsFileTime = defaultFiletime;
}
int WIN_FUNC GetTickCount() {
DEBUG_LOG("GetTickCount\n");
return 0;
}
int WIN_FUNC FileTimeToSystemTime(const FILETIME *lpFileTime, SYSTEMTIME *lpSystemTime) {
DEBUG_LOG("FileTimeToSystemTime\n");
lpSystemTime->wYear = 0;
lpSystemTime->wMonth = 0;
lpSystemTime->wDayOfWeek = 0;
lpSystemTime->wDay = 0;
lpSystemTime->wHour = 0;
lpSystemTime->wMinute = 0;
lpSystemTime->wSecond = 0;
lpSystemTime->wMilliseconds = 0;
return 1;
}
int WIN_FUNC SetFileTime(void *hFile, const FILETIME *lpCreationTime, const FILETIME *lpLastAccessTime, const FILETIME *lpLastWriteTime) {
DEBUG_LOG("SetFileTime\n");
return 1;
}
int WIN_FUNC FileTimeToLocalFileTime(const FILETIME *lpFileTime, FILETIME *lpLocalFileTime) {
DEBUG_LOG("FileTimeToLocalFileTime\n");
// we live on Iceland
*lpLocalFileTime = *lpFileTime;
return 1;
}
struct BY_HANDLE_FILE_INFORMATION {
unsigned long dwFileAttributes;
FILETIME ftCreationTime;
FILETIME ftLastAccessTime;
FILETIME ftLastWriteTime;
unsigned long dwVolumeSerialNumber;
unsigned long nFileSizeHigh;
unsigned long nFileSizeLow;
unsigned long nNumberOfLinks;
unsigned long nFileIndexHigh;
unsigned long nFileIndexLow;
};
int WIN_FUNC GetFileInformationByHandle(void *hFile, BY_HANDLE_FILE_INFORMATION *lpFileInformation) {
DEBUG_LOG("GetFileInformationByHandle(%p, %p)\n", hFile, lpFileInformation);
FILE* fp = files::fpFromHandle(hFile);
if (fp == nullptr) {
wibo::lastError = 6; // ERROR_INVALID_HANDLE
return 0;
}
struct stat64 st{};
if (fstat64(fileno(fp), &st)) {
setLastErrorFromErrno();
return 0;
}
if (lpFileInformation != nullptr) {
lpFileInformation->dwFileAttributes = 0;
if (S_ISDIR(st.st_mode)) {
lpFileInformation->dwFileAttributes |= 0x10;
}
if (S_ISREG(st.st_mode)) {
lpFileInformation->dwFileAttributes |= 0x80;
}
lpFileInformation->ftCreationTime = defaultFiletime;
lpFileInformation->ftLastAccessTime = defaultFiletime;
lpFileInformation->ftLastWriteTime = defaultFiletime;
lpFileInformation->dwVolumeSerialNumber = 0;
lpFileInformation->nFileSizeHigh = (unsigned long) (st.st_size >> 32);
lpFileInformation->nFileSizeLow = (unsigned long) st.st_size;
lpFileInformation->nNumberOfLinks = 0;
lpFileInformation->nFileIndexHigh = 0;
lpFileInformation->nFileIndexLow = 0;
}
return 1;
}
struct TIME_ZONE_INFORMATION {
int Bias;
short StandardName[32];
SYSTEMTIME StandardDate;
int StandardBias;
short DaylightName[32];
SYSTEMTIME DaylightDate;
int DaylightBias;
};
int WIN_FUNC GetTimeZoneInformation(TIME_ZONE_INFORMATION *lpTimeZoneInformation) {
DEBUG_LOG("GetTimeZoneInformation\n");
memset(lpTimeZoneInformation, 0, sizeof(*lpTimeZoneInformation));
return 0;
}
/*
* Console Nonsense
*/
int WIN_FUNC GetConsoleMode(void *hConsoleHandle, unsigned int *lpMode) {
DEBUG_LOG("GetConsoleMode(%p)\n", hConsoleHandle);
*lpMode = 0;
return 1;
}
unsigned int WIN_FUNC SetConsoleCtrlHandler(void *HandlerRoutine, unsigned int Add) {
DEBUG_LOG("SetConsoleCtrlHandler\n");
// This is a function that gets called when doing ^C
// We might want to call this later (being mindful that it'll be stdcall I think)
// For now, just pretend we did the thing
return 1;
}
struct CONSOLE_SCREEN_BUFFER_INFO {
int16_t dwSize_x;
int16_t dwSize_y;
int16_t dwCursorPosition_x;
int16_t dwCursorPosition_y;
uint16_t wAttributes;
int16_t srWindow_left;
int16_t srWindow_top;
int16_t srWindow_right;
int16_t srWindow_bottom;
int16_t dwMaximumWindowSize_x;
int16_t dwMaximumWindowSize_y;
};
unsigned int WIN_FUNC GetConsoleScreenBufferInfo(void *hConsoleOutput, CONSOLE_SCREEN_BUFFER_INFO *lpConsoleScreenBufferInfo) {
// Tell a lie
// mwcc doesn't care about anything else
lpConsoleScreenBufferInfo->dwSize_x = 80;
lpConsoleScreenBufferInfo->dwSize_y = 25;
return 1;
}
BOOL WIN_FUNC WriteConsoleW(HANDLE hConsoleOutput, LPCWSTR lpBuffer, DWORD nNumberOfCharsToWrite, LPDWORD lpNumberOfCharsWritten,
LPVOID lpReserved) {
DEBUG_LOG("WriteConsoleW(%p, %p, %u, %p, %p)\n", hConsoleOutput, lpBuffer, nNumberOfCharsToWrite, lpNumberOfCharsWritten,
lpReserved);
const auto str = wideStringToString(lpBuffer, nNumberOfCharsToWrite);
FILE *fp = files::fpFromHandle(hConsoleOutput);
if (fp == stdout || fp == stderr) {
fprintf(fp, "%s", str.c_str());
if (lpNumberOfCharsWritten) {
*lpNumberOfCharsWritten = nNumberOfCharsToWrite;
}
return TRUE;
}
if (lpNumberOfCharsWritten) {
*lpNumberOfCharsWritten = 0;
}
return FALSE;
}
unsigned int WIN_FUNC GetSystemDirectoryA(char *lpBuffer, unsigned int uSize) {
DEBUG_LOG("GetSystemDirectoryA(%p, %u)\n", lpBuffer, uSize);
if (lpBuffer == nullptr) {
return 0;
}
const char* systemDir = "C:\\Windows\\System32";
const auto len = strlen(systemDir);
// If the buffer is too small, return the required buffer size.
// (Add 1 to include the NUL terminator)
if (uSize < len + 1) {
return len + 1;
}
strcpy(lpBuffer, systemDir);
return len;
}
unsigned int WIN_FUNC GetWindowsDirectoryA(char *lpBuffer, unsigned int uSize) {
DEBUG_LOG("GetWindowsDirectoryA(%p, %u)\n", lpBuffer, uSize);
if (lpBuffer == nullptr) {
return 0;
}
const char* systemDir = "C:\\Windows";
const auto len = strlen(systemDir);
// If the buffer is too small, return the required buffer size.
// (Add 1 to include the NUL terminator)
if (uSize < len + 1) {
return len + 1;
}
strcpy(lpBuffer, systemDir);
return len;
}
unsigned int WIN_FUNC GetCurrentDirectoryA(unsigned int uSize, char *lpBuffer) {
DEBUG_LOG("GetCurrentDirectoryA(%u, %p)\n", uSize, lpBuffer);
std::filesystem::path cwd = std::filesystem::current_path();
std::string path = files::pathToWindows(cwd);
// If the buffer is too small, return the required buffer size.
// (Add 1 to include the NUL terminator)
if (path.size() + 1 > uSize) {
return path.size() + 1;
}
strcpy(lpBuffer, path.c_str());
return path.size();
}
unsigned int WIN_FUNC GetCurrentDirectoryW(unsigned int uSize, uint16_t *lpBuffer) {
DEBUG_LOG("GetCurrentDirectoryW\n");
std::filesystem::path cwd = std::filesystem::current_path();
std::string path = files::pathToWindows(cwd);
assert(path.size() < uSize);
const char *pathCstr = path.c_str();
for (size_t i = 0; i < path.size() + 1; i++) {
lpBuffer[i] = pathCstr[i] & 0xFF;
}
return path.size();
}
HMODULE WIN_FUNC GetModuleHandleA(LPCSTR lpModuleName) {
DEBUG_LOG("GetModuleHandleA(%s)\n", lpModuleName);
if (!lpModuleName) {
// If lpModuleName is NULL, GetModuleHandle returns a handle to the file
// used to create the calling process (.exe file).
// This handle needs to equal the actual image buffer, from which data can be read.
return wibo::mainModule->imageBuffer;
}
// wibo::lastError = 0;
return wibo::loadModule(lpModuleName);
}
HMODULE WIN_FUNC GetModuleHandleW(LPCWSTR lpModuleName) {
DEBUG_LOG("GetModuleHandleW -> ");
if (lpModuleName) {
const auto lpModuleNameA = wideStringToString(lpModuleName);
return GetModuleHandleA(lpModuleNameA.c_str());
} else {
return GetModuleHandleA(nullptr);
}
}
DWORD WIN_FUNC GetModuleFileNameA(HMODULE hModule, LPSTR lpFilename, DWORD nSize) {
DEBUG_LOG("GetModuleFileNameA (hModule=%p, nSize=%i)\n", hModule, nSize);
if (lpFilename == nullptr) {
wibo::lastError = ERROR_INVALID_PARAMETER;
return 0;
}
std::string path;
if (wibo::isMainModule(hModule)) {
const auto exePath = files::pathFromWindows(wibo::argv[0]);
const auto absPath = std::filesystem::absolute(exePath);
path = files::pathToWindows(absPath);
} else {
path = static_cast<wibo::ModuleInfo *>(hModule)->name;
}
const size_t len = path.size();
if (nSize == 0) {
wibo::lastError = ERROR_INSUFFICIENT_BUFFER;
return 0;
}
const size_t copyLen = std::min(len, nSize - 1);
memcpy(lpFilename, path.c_str(), copyLen);
if (copyLen < nSize) {
lpFilename[copyLen] = 0;
}
if (copyLen < len) {
wibo::lastError = ERROR_INSUFFICIENT_BUFFER;
return nSize;
}
wibo::lastError = ERROR_SUCCESS;
return copyLen;
}
DWORD WIN_FUNC GetModuleFileNameW(HMODULE hModule, LPWSTR lpFilename, DWORD nSize) {
DEBUG_LOG("GetModuleFileNameW (hModule=%p, nSize=%i)\n", hModule, nSize);
*lpFilename = 0; // just NUL terminate
wibo::lastError = 0;
return 0;
}
void* WIN_FUNC FindResourceA(void* hModule, const char* lpName, const char* lpType) {
DEBUG_LOG("FindResourceA %p %s %s\n", hModule, lpName, lpType);
return (void*)0x100002;
}
void* WIN_FUNC LoadResource(void* hModule, void* res) {
DEBUG_LOG("LoadResource %p %p\n", hModule, res);
return (void*)0x100003;
}
void* WIN_FUNC LockResource(void* res) {
DEBUG_LOG("LockResource %p\n", res);
return (void*)0x100004;
}
unsigned int WIN_FUNC SizeofResource(void* hModule, void* res) {
DEBUG_LOG("SizeofResource %p %p\n", hModule, res);
return 0;
}
HMODULE WIN_FUNC LoadLibraryA(LPCSTR lpLibFileName) {
DEBUG_LOG("LoadLibraryA(%s)\n", lpLibFileName);
return wibo::loadModule(lpLibFileName);
}
HMODULE WIN_FUNC LoadLibraryExW(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags) {
assert(!hFile);
DEBUG_LOG("LoadLibraryExW(%x) -> ", dwFlags);
const auto filename = wideStringToString(lpLibFileName);
return LoadLibraryA(filename.c_str());
}
BOOL WIN_FUNC FreeLibrary(HMODULE hLibModule) {
DEBUG_LOG("FreeLibrary(%p)\n", hLibModule);
wibo::freeModule(hLibModule);
return TRUE;
}
const unsigned int MAJOR_VER = 6, MINOR_VER = 2, BUILD_NUMBER = 0; // Windows 8
unsigned int WIN_FUNC GetVersion() {
DEBUG_LOG("GetVersion\n");
return MAJOR_VER | MINOR_VER << 8 | 5 << 16 | BUILD_NUMBER << 24;
}
typedef struct {
uint32_t dwOSVersionInfoSize;
uint32_t dwMajorVersion;
uint32_t dwMinorVersion;
uint32_t dwBuildNumber;
uint32_t dwPlatformId;
char szCSDVersion[128];
/**
* If dwOSVersionInfoSize indicates more members (i.e. we have an OSVERSIONINFOEXA):
* uint16_t wServicePackMajor;
* uint16_t wServicePackMinor;
* uint16_t wSuiteMask;
* uint8_t wProductType;
* uint8_t wReserved;
*/
} OSVERSIONINFOA;
int WIN_FUNC GetVersionExA(OSVERSIONINFOA* lpVersionInformation) {
DEBUG_LOG("GetVersionExA\n");
memset(lpVersionInformation, 0, lpVersionInformation->dwOSVersionInfoSize);
lpVersionInformation->dwMajorVersion = MAJOR_VER;
lpVersionInformation->dwMinorVersion = MINOR_VER;
lpVersionInformation->dwBuildNumber = BUILD_NUMBER;
lpVersionInformation->dwPlatformId = 2;
return 1;
}
void *WIN_FUNC HeapCreate(unsigned int flOptions, unsigned int dwInitialSize, unsigned int dwMaximumSize) {
DEBUG_LOG("HeapCreate %u %u %u\n", flOptions, dwInitialSize, dwMaximumSize);
if (flOptions & 0x00000001) {
// HEAP_NO_SERIALIZE
}
if (flOptions & 0x00040000) {
// HEAP_CREATE_ENABLE_EXECUTE
}
if (flOptions & 0x00000004) {
// HEAP_GENERATE_EXCEPTIONS
}
// return a dummy value
wibo::lastError = 0;
return (void *) 0x100006;
}
void *WIN_FUNC VirtualAlloc(void *lpAddress, unsigned int dwSize, unsigned int flAllocationType, unsigned int flProtect) {
DEBUG_LOG("VirtualAlloc %p %u %u %u\n",lpAddress, dwSize, flAllocationType, flProtect);
if (flAllocationType & 0x2000 || lpAddress == NULL) { // MEM_RESERVE
// do this for now...
assert(lpAddress == NULL);
void *mem = 0;
posix_memalign(&mem, 0x1000, dwSize);
memset(mem, 0, dwSize);
// Windows only fences off the lower 2GB of the 32-bit address space for the private use of processes.
assert(mem < (void*)0x80000000);
DEBUG_LOG("-> %p\n", mem);
return mem;
} else {
assert(lpAddress != NULL);
return lpAddress;
}
}
unsigned int WIN_FUNC VirtualFree(void *lpAddress, unsigned int dwSize, int dwFreeType) {
DEBUG_LOG("VirtualFree %p %u %i\n", lpAddress, dwSize, dwFreeType);
return 1;
}
unsigned int WIN_FUNC GetProcessWorkingSetSize(void *hProcess, unsigned int *lpMinimumWorkingSetSize, unsigned int *lpMaximumWorkingSetSize) {
DEBUG_LOG("GetProcessWorkingSetSize\n");
// A pointer to a variable that receives the minimum working set size of the specified process, in bytes.
// The virtual memory manager attempts to keep at least this much memory resident in the process whenever the process is active.
*lpMinimumWorkingSetSize = 32*1024*1024; // 32MB
// A pointer to a variable that receives the maximum working set size of the specified process, in bytes.
// The virtual memory manager attempts to keep no more than this much memory resident in the process whenever
// the process is active when memory is in short supply.
*lpMaximumWorkingSetSize = 128*1024*1024; // 128MB
// If the function succeeds, the return value is nonzero.
return 1;
}
unsigned int WIN_FUNC SetProcessWorkingSetSize(void *hProcess, unsigned int dwMinimumWorkingSetSize, unsigned int dwMaximumWorkingSetSize) {
DEBUG_LOG("SetProcessWorkingSetSize: min %u, max: %u\n", dwMinimumWorkingSetSize, dwMaximumWorkingSetSize);
return 1;
}
typedef struct _STARTUPINFOA {
unsigned int cb;
char *lpReserved;
char *lpDesktop;
char *lpTitle;
unsigned int dwX;
unsigned int dwY;
unsigned int dwXSize;
unsigned int dwYSize;
unsigned int dwXCountChars;
unsigned int dwYCountChars;
unsigned int dwFillAttribute;
unsigned int dwFlags;
unsigned short wShowWindow;
unsigned short cbReserved2;
unsigned char lpReserved2;
void *hStdInput;
void *hStdOutput;
void *hStdError;
} STARTUPINFOA, *LPSTARTUPINFOA;
void WIN_FUNC GetStartupInfoA(STARTUPINFOA *lpStartupInfo) {
DEBUG_LOG("GetStartupInfoA\n");
memset(lpStartupInfo, 0, sizeof(STARTUPINFOA));
}
typedef struct _STARTUPINFOW {
unsigned int cb;
unsigned short *lpReserved;
unsigned short *lpDesktop;
unsigned short *lpTitle;
unsigned int dwX;
unsigned int dwY;
unsigned int dwXSize;
unsigned int dwYSize;
unsigned int dwXCountChars;
unsigned int dwYCountChars;
unsigned int dwFillAttribute;
unsigned int dwFlags;
unsigned short wShowWindow;
unsigned short cbReserved2;
unsigned char lpReserved2;
void *hStdInput;
void *hStdOutput;
void *hStdError;
} STARTUPINFOW, *LPSTARTUPINFOW;
void WIN_FUNC GetStartupInfoW(_STARTUPINFOW *lpStartupInfo) {
DEBUG_LOG("GetStartupInfoW\n");
memset(lpStartupInfo, 0, sizeof(_STARTUPINFOW));
}
BOOL WIN_FUNC SetThreadStackGuarantee(PULONG StackSizeInBytes) {
DEBUG_LOG("STUB: SetThreadStackGuarantee(%p)\n", StackSizeInBytes);
return TRUE;
}
HANDLE WIN_FUNC GetCurrentThread() {
DEBUG_LOG("STUB: GetCurrentThread\n");
return (HANDLE)0x100007;
}
HRESULT WIN_FUNC SetThreadDescription(HANDLE hThread, const void * /* PCWSTR */ lpThreadDescription) {
DEBUG_LOG("STUB: SetThreadDescription(%p, %p)\n", hThread, lpThreadDescription);
return S_OK;
}
unsigned short WIN_FUNC GetFileType(void *hFile) {
DEBUG_LOG("GetFileType %p\n", hFile);
return 1; // FILE_TYPE_DISK
}
unsigned int WIN_FUNC SetHandleCount(unsigned int uNumber) {
DEBUG_LOG("SetHandleCount %p\n", uNumber);
return uNumber + 10;
}
unsigned int WIN_FUNC GetACP() {
DEBUG_LOG("GetACP\n");
// return 65001; // UTF-8
// return 1200; // Unicode (BMP of ISO 10646)
return 28591; // Latin1 (ISO/IEC 8859-1)
}
typedef struct _cpinfo {
unsigned int MaxCharSize;
unsigned char DefaultChar[2];
unsigned char LeadByte[12];
} CPINFO, *LPCPINFO;
unsigned int WIN_FUNC GetCPInfo(unsigned int codePage, CPINFO* lpCPInfo) {
DEBUG_LOG("GetCPInfo: %u\n", codePage);
lpCPInfo->MaxCharSize = 1;
lpCPInfo->DefaultChar[0] = 0;
return 1; // success
}
unsigned int WIN_FUNC WideCharToMultiByte(unsigned int codePage, unsigned int dwFlags, uint16_t *lpWideCharStr, int cchWideChar, char *lpMultiByteStr, int cbMultiByte, char *lpDefaultChar, unsigned int *lpUsedDefaultChar) {
DEBUG_LOG("WideCharToMultiByte(codePage=%u, flags=%x, wcs=%p, wideChar=%d, mbs=%p, multiByte=%d, defaultChar=%p, usedDefaultChar=%p)\n", codePage, dwFlags, lpWideCharStr, cchWideChar, lpMultiByteStr, cbMultiByte, lpDefaultChar, lpUsedDefaultChar);
if (cchWideChar == -1) {
cchWideChar = wstrlen(lpWideCharStr) + 1;
}
if (cbMultiByte == 0) {
return cchWideChar;
}
for (int i = 0; i < cchWideChar; i++) {
lpMultiByteStr[i] = lpWideCharStr[i] & 0xFF;
}
if (wibo::debugEnabled) {
std::string s(lpMultiByteStr, lpMultiByteStr + cchWideChar);
DEBUG_LOG("Converted string: [%s] (len %d)\n", s.c_str(), cchWideChar);
}
return cchWideChar;
}
unsigned int WIN_FUNC MultiByteToWideChar(unsigned int codePage, unsigned int dwFlags, const char *lpMultiByteStr, int cbMultiByte, uint16_t *lpWideCharStr, int cchWideChar) {
DEBUG_LOG("MultiByteToWideChar(codePage=%u, dwFlags=%u, multiByte=%d, wideChar=%d)\n", codePage, dwFlags, cbMultiByte, cchWideChar);
if (cbMultiByte == -1) {
cbMultiByte = strlen(lpMultiByteStr) + 1;
}
// assert (dwFlags == 1); // MB_PRECOMPOSED
if (cchWideChar == 0) {
return cbMultiByte;
}
if (wibo::debugEnabled) {
std::string s(lpMultiByteStr, lpMultiByteStr + cbMultiByte);
DEBUG_LOG("Converting string: [%s] (len %d)\n", s.c_str(), cbMultiByte);
}
assert(cbMultiByte <= cchWideChar);
for (int i = 0; i < cbMultiByte; i++) {
lpWideCharStr[i] = lpMultiByteStr[i] & 0xFF;
}
return cbMultiByte;
}
unsigned int WIN_FUNC GetStringTypeW(unsigned int dwInfoType, const uint16_t *lpSrcStr, int cchSrc, uint16_t *lpCharType) {
DEBUG_LOG("GetStringTypeW (dwInfoType=%u, lpSrcStr=%p, cchSrc=%i, lpCharType=%p)\n", dwInfoType, lpSrcStr, cchSrc, lpCharType);
assert(dwInfoType == 1); // CT_CTYPE1
if (cchSrc < 0)
cchSrc = wstrlen(lpSrcStr);
for (int i = 0; i < cchSrc; i++) {
uint16_t c = lpSrcStr[i];
assert(c < 256);
bool upper = ('A' <= c && c <= 'Z');
bool lower = ('a' <= c && c <= 'z');
bool alpha = (lower || upper);
bool digit = ('0' <= c && c <= '9');
bool space = (c == ' ' || c == '\n' || c == '\t' || c == '\r' || c == '\f' || c == '\v');
bool blank = (c == ' ' || c == '\t');
bool hex = (digit || ('A' <= c && c <= 'F') || ('a' <= c && c <= 'f'));
bool cntrl = (c < 0x20 || c == 127);
bool punct = (!cntrl && !digit && !alpha);
lpCharType[i] = (upper ? 1 : 0) | (lower ? 2 : 0) | (digit ? 4 : 0) | (space ? 8 : 0) | (punct ? 0x10 : 0) | (cntrl ? 0x20 : 0) | (blank ? 0x40 : 0) | (hex ? 0x80 : 0) | (alpha ? 0x100 : 0);
}
return 1;
}
unsigned int WIN_FUNC FreeEnvironmentStringsW(void *penv) {
DEBUG_LOG("FreeEnvironmentStringsW: %p\n", penv);
free(penv);
return 1;
}
unsigned int WIN_FUNC IsProcessorFeaturePresent(unsigned int processorFeature) {
DEBUG_LOG("IsProcessorFeaturePresent: %u\n", processorFeature);
if (processorFeature == 0) // PF_FLOATING_POINT_PRECISION_ERRATA
return 1;
if (processorFeature == 10) // PF_XMMI64_INSTRUCTIONS_AVAILABLE (SSE2)
return 1;
if (processorFeature == 23) // PF_FASTFAIL_AVAILABLE (__fastfail() supported)
return 1;
// sure.. we have that feature...
return 1;
}
FARPROC WIN_FUNC GetProcAddress(HMODULE hModule, LPCSTR lpProcName) {
FARPROC result;
const auto proc = reinterpret_cast<uintptr_t>(lpProcName);
if (proc & ~0xFFFF) {
DEBUG_LOG("GetProcAddress(%p, %s) ", hModule, lpProcName);
result = wibo::resolveFuncByName(hModule, lpProcName);
} else {
DEBUG_LOG("GetProcAddress(%p, %u) ", hModule, proc);
result = wibo::resolveFuncByOrdinal(hModule, static_cast<uint16_t>(proc));
}
DEBUG_LOG("-> %p\n", result);
return result;
}
void *WIN_FUNC HeapAlloc(void *hHeap, unsigned int dwFlags, size_t dwBytes) {
DEBUG_LOG("HeapAlloc(heap=%p, flags=%x, bytes=%u) ", hHeap, dwFlags, dwBytes);
void *mem = doAlloc(dwBytes, dwFlags & 8);
DEBUG_LOG("-> %p\n", mem);
return mem;
}
void *WIN_FUNC HeapReAlloc(void *hHeap, unsigned int dwFlags, void *lpMem, size_t dwBytes) {
DEBUG_LOG("HeapReAlloc(heap=%p, flags=%x, mem=%p, bytes=%u) ", hHeap, dwFlags, lpMem, dwBytes);
void *ret = doRealloc(lpMem, dwBytes, dwFlags & 8);
DEBUG_LOG("-> %p\n", ret);
return ret;
}
unsigned int WIN_FUNC HeapSize(void *hHeap, unsigned int dwFlags, void *lpMem) {
DEBUG_LOG("HeapSize(heap=%p, flags=%x, mem=%p)\n", hHeap, dwFlags, lpMem);
return malloc_usable_size(lpMem);
}
void *WIN_FUNC GetProcessHeap() {
DEBUG_LOG("GetProcessHeap\n");
return (void *) 0x100006;
}
int WIN_FUNC HeapSetInformation(void *HeapHandle, int HeapInformationClass, void *HeapInformation, size_t HeapInformationLength) {
DEBUG_LOG("HeapSetInformation %p %d\n", HeapHandle, HeapInformationClass);
return 1;
}
unsigned int WIN_FUNC HeapFree(void *hHeap, unsigned int dwFlags, void *lpMem) {
DEBUG_LOG("HeapFree(heap=%p, flags=%x, mem=%p)\n", hHeap, dwFlags, lpMem);
free(lpMem);
return 1;
}
unsigned int WIN_FUNC FormatMessageA(unsigned int dwFlags, void *lpSource, unsigned int dwMessageId,
unsigned int dwLanguageId, char *lpBuffer, unsigned int nSize, va_list *argument) {
DEBUG_LOG("FormatMessageA: flags: %u, message id: %u\n", dwFlags, dwMessageId);
if (dwFlags & 0x00000100) {
// FORMAT_MESSAGE_ALLOCATE_BUFFER
} else if (dwFlags & 0x00002000) {
// FORMAT_MESSAGE_ARGUMENT_ARRAY
} else if (dwFlags & 0x00000800) {
// FORMAT_MESSAGE_FROM_HMODULE
} else if (dwFlags & 0x00000400) {
// FORMAT_MESSAGE_FROM_STRING
} else if (dwFlags & 0x00001000) {
// FORMAT_MESSAGE_FROM_SYSTEM
std::string message = std::system_category().message(dwMessageId);
size_t length = message.length();
strcpy(lpBuffer, message.c_str());
return length;
} else if (dwFlags & 0x00000200) {
// FORMAT_MESSAGE_IGNORE_INSERTS
} else {
// unhandled?
}
*lpBuffer = '\0';
return 0;
}
int WIN_FUNC GetComputerNameA(char *lpBuffer, unsigned int *nSize) {
DEBUG_LOG("GetComputerNameA\n");
if (*nSize < 9)
return 0;
strcpy(lpBuffer, "COMPNAME");
*nSize = 8;
return 1;
}
void *WIN_FUNC EncodePointer(void *Ptr) {
return Ptr;
}
void *WIN_FUNC DecodePointer(void *Ptr) {
return Ptr;
}
BOOL WIN_FUNC SetDllDirectoryA(LPCSTR lpPathName) {
DEBUG_LOG("STUB: SetDllDirectoryA(%s)\n", lpPathName);
return TRUE;
}
int WIN_FUNC CompareStringA(int Locale, unsigned int dwCmpFlags, const char *lpString1, int cchCount1, const char *lpString2, int cchCount2) {
if (cchCount1 < 0)
cchCount1 = strlen(lpString1);
if (cchCount2 < 0)
cchCount2 = strlen(lpString2);
std::string str1(lpString1, lpString1 + cchCount1);
std::string str2(lpString2, lpString2 + cchCount2);
DEBUG_LOG("CompareStringA: '%s' vs '%s' (%u)\n", str1.c_str(), str2.c_str(), dwCmpFlags);
return doCompareString(str1, str2, dwCmpFlags);
}
int WIN_FUNC CompareStringW(int Locale, unsigned int dwCmpFlags, const uint16_t *lpString1, int cchCount1, const uint16_t *lpString2, int cchCount2) {
std::string str1 = wideStringToString(lpString1, cchCount1);
std::string str2 = wideStringToString(lpString2, cchCount2);
DEBUG_LOG("CompareStringW: '%s' vs '%s' (%u)\n", str1.c_str(), str2.c_str(), dwCmpFlags);
return doCompareString(str1, str2, dwCmpFlags);
}
int WIN_FUNC IsValidCodePage(unsigned int CodePage) {
DEBUG_LOG("IsValidCodePage: %u\n", CodePage);
// Returns a nonzero value if the code page is valid, or 0 if the code page is invalid.
return 1;
}
int WIN_FUNC IsValidLocale(unsigned int Locale, unsigned int dwFlags) {
DEBUG_LOG("IsValidLocale: %u %u\n", Locale, dwFlags);
// Yep, this locale is both supported (dwFlags=1) and installed (dwFlags=2)
return 1;
}
std::string str_for_LCType(int LCType) {
// https://www.pinvoke.net/default.aspx/Enums/LCType.html
if (LCType == 4100) { // LOCALE_IDEFAULTANSICODEPAGE
// Latin1; ref GetACP
return "28591";
}
if (LCType == 4097) { // LOCALE_SENGLANGUAGE
return "Lang";
}
if (LCType == 4098) { // LOCALE_SENGCOUNTRY
return "Country";
}
assert(false);
}
int WIN_FUNC GetLocaleInfoA(unsigned int Locale, int LCType, LPSTR lpLCData, int cchData) {
DEBUG_LOG("GetLocaleInfoA %d %d\n", Locale, LCType);
std::string ret = str_for_LCType(LCType);
size_t len = ret.size() + 1;
if (!cchData) {
return len;
} else {
assert(len <= (size_t) cchData);
memcpy(lpLCData, ret.c_str(), len);
return 1;
}
}
int WIN_FUNC GetLocaleInfoW(unsigned int Locale, int LCType, LPWSTR lpLCData, int cchData) {
DEBUG_LOG("GetLocaleInfoW %d %d\n", Locale, LCType);
std::string info = str_for_LCType(LCType);
auto ret = stringToWideString(info.c_str());
size_t len = ret.size();
if (!cchData) {
return len;
} else {
assert(len <= (size_t) cchData);
memcpy(lpLCData, ret.data(), len * sizeof(*ret.data()));
return 1;
}
}
int WIN_FUNC GetUserDefaultLCID() {
DEBUG_LOG("GetUserDefaultLCID\n");
return 1;
}
BOOL WIN_FUNC IsDBCSLeadByte(BYTE TestChar) {
DEBUG_LOG("IsDBCSLeadByte(%u)\n", TestChar);
return FALSE; // We're not multibyte (yet?)
}
int WIN_FUNC LCMapStringW(int Locale, unsigned int dwMapFlags, const uint16_t* lpSrcStr, int cchSrc, uint16_t* lpDestStr, int cchDest) {
DEBUG_LOG("LCMapStringW: (locale=%i, flags=%u, src=%p, dest=%p)\n", Locale, dwMapFlags, cchSrc, cchDest);
if (cchSrc < 0) {
cchSrc = wstrlen(lpSrcStr) + 1;
}
// DEBUG_LOG("lpSrcStr: %s\n", lpSrcStr);
return 1; // success
}
int WIN_FUNC LCMapStringA(int Locale, unsigned int dwMapFlags, const char* lpSrcStr, int cchSrc, char* lpDestStr, int cchDest) {
DEBUG_LOG("LCMapStringA: (locale=%i, flags=%u, src=%p, dest=%p)\n", Locale, dwMapFlags, cchSrc, cchDest);
if (cchSrc < 0) {
cchSrc = strlen(lpSrcStr) + 1;
}
// DEBUG_LOG("lpSrcStr: %s\n", lpSrcStr);
return 0; // fail
}
DWORD WIN_FUNC GetEnvironmentVariableA(LPCSTR lpName, LPSTR lpBuffer, DWORD nSize) {
DEBUG_LOG("GetEnvironmentVariableA: %s\n", lpName);
const char *value = getenv(lpName);
if (!value) {
return 0;
}
unsigned int len = strlen(value);
if (nSize == 0) {
return len + 1;
}
if (nSize < len) {
return len;
}
memcpy(lpBuffer, value, len + 1);
return len;
}
unsigned int WIN_FUNC SetEnvironmentVariableA(const char *lpName, const char *lpValue) {
DEBUG_LOG("SetEnvironmentVariableA: %s=%s\n", lpName, lpValue);
return setenv(lpName, lpValue, 1 /* OVERWRITE */);
}
DWORD WIN_FUNC GetEnvironmentVariableW(LPCWSTR lpName, LPWSTR lpBuffer, DWORD nSize) {
DEBUG_LOG("GetEnvironmentVariableW: %s\n", wideStringToString(lpName).c_str());
const char *value = getenv(wideStringToString(lpName).c_str());
if (!value) {
return 0;
}
auto wideValue = stringToWideString(value);
const auto len = wideValue.size();
if (nSize < len) {
return len;
}
wstrncpy(lpBuffer, wideValue.data(), len);
return len - 1;
}
unsigned int WIN_FUNC QueryPerformanceCounter(unsigned long int *lpPerformanceCount) {
DEBUG_LOG("QueryPerformanceCounter\n");
*lpPerformanceCount = 0;
return 1;
}
int WIN_FUNC QueryPerformanceFrequency(uint64_t *lpFrequency) {
*lpFrequency = 1;
return 1;
}
unsigned int WIN_FUNC IsDebuggerPresent() {
DEBUG_LOG("IsDebuggerPresent\n");
// If the current process is not running in the context of a debugger, the return value is zero.
return 0;
}
void *WIN_FUNC SetUnhandledExceptionFilter(void *lpTopLevelExceptionFilter) {
DEBUG_LOG("SetUnhandledExceptionFilter: %p\n", lpTopLevelExceptionFilter);
return (void *)0x100008;
}
unsigned int WIN_FUNC UnhandledExceptionFilter(void *ExceptionInfo) {
DEBUG_LOG("UnhandledExceptionFilter: %p\n", ExceptionInfo);
return 1; // EXCEPTION_EXECUTE_HANDLER
}
struct SINGLE_LIST_ENTRY
{
SINGLE_LIST_ENTRY *Next;
};
struct SLIST_HEADER
{
union
{
unsigned long Alignment;
struct
{
SINGLE_LIST_ENTRY Next;
int Depth;
int Sequence;
};
};
};
void WIN_FUNC InitializeSListHead(SLIST_HEADER *ListHead) {
DEBUG_LOG("InitializeSListHead\n");
// All list items must be aligned on a MEMORY_ALLOCATION_ALIGNMENT boundary.
posix_memalign((void**)&ListHead, 16, sizeof(SLIST_HEADER));
memset(ListHead, 0, sizeof(SLIST_HEADER));
}
typedef struct _EXCEPTION_RECORD {
unsigned int ExceptionCode;
unsigned int ExceptionFlags;
struct _EXCEPTION_RECORD *ExceptionRecord;
void* ExceptionAddress;
unsigned int NumberParameters;
void* ExceptionInformation[15];
} EXCEPTION_RECORD;
void WIN_FUNC RtlUnwind(void *TargetFrame, void *TargetIp, EXCEPTION_RECORD *ExceptionRecord, void *ReturnValue) {
DEBUG_LOG("RtlUnwind %p %p %p %p\n", TargetFrame, TargetIp, ExceptionRecord, ReturnValue);
DEBUG_LOG("WARNING: Silently returning from RtlUnwind - exception handlers and clean up code may not be run");
}
int WIN_FUNC InterlockedIncrement(int *Addend) {
return *Addend += 1;
}
int WIN_FUNC InterlockedDecrement(int *Addend) {
return *Addend -= 1;
}
int WIN_FUNC InterlockedExchange(int *Target, int Value) {
int initial = *Target;
*Target = Value;
return initial;
}
// These are effectively a copy/paste of the Tls* functions
enum { MAX_FLS_VALUES = 100 };
static bool flsValuesUsed[MAX_FLS_VALUES] = { false };
static void *flsValues[MAX_FLS_VALUES];
int WIN_FUNC FlsAlloc(void *lpCallback) {
DEBUG_LOG("FlsAlloc (lpCallback: %x)\n", lpCallback);
// If the function succeeds, the return value is an FLS index initialized to zero.
for (size_t i = 0; i < MAX_FLS_VALUES; i++) {
if (flsValuesUsed[i] == false) {
flsValuesUsed[i] = true;
flsValues[i] = 0;
DEBUG_LOG("...returning %d\n", i);
return i;
}
}
DEBUG_LOG("...returning nothing\n");
wibo::lastError = 1;
return 0xFFFFFFFF; // FLS_OUT_OF_INDEXES
}
unsigned int WIN_FUNC FlsFree(unsigned int dwFlsIndex) {
DEBUG_LOG("FlsFree(%u)\n", dwFlsIndex);
if (dwFlsIndex >= 0 && dwFlsIndex < MAX_FLS_VALUES && flsValuesUsed[dwFlsIndex]) {
flsValuesUsed[dwFlsIndex] = false;
return 1;
} else {
wibo::lastError = 1;
return 0;
}
}
void *WIN_FUNC FlsGetValue(unsigned int dwFlsIndex) {
// DEBUG_LOG("FlsGetValue(%u)", dwFlsIndex);
void *result = nullptr;
if (dwFlsIndex >= 0 && dwFlsIndex < MAX_FLS_VALUES && flsValuesUsed[dwFlsIndex]) {
result = flsValues[dwFlsIndex];
// See https://learn.microsoft.com/en-us/windows/win32/api/fibersapi/nf-fibersapi-flsgetvalue
wibo::lastError = ERROR_SUCCESS;
} else {
wibo::lastError = 1;
}
// DEBUG_LOG(" -> %p\n", result);
return result;
}
unsigned int WIN_FUNC FlsSetValue(unsigned int dwFlsIndex, void *lpFlsData) {
// DEBUG_LOG("FlsSetValue(%u, %p)\n", dwFlsIndex, lpFlsData);
if (dwFlsIndex >= 0 && dwFlsIndex < MAX_FLS_VALUES && flsValuesUsed[dwFlsIndex]) {
flsValues[dwFlsIndex] = lpFlsData;
return 1;
} else {
wibo::lastError = 1;
return 0;
}
}
BOOL WIN_FUNC GetOverlappedResult(void *hFile, void *lpOverlapped, int *lpNumberOfBytesTransferred, BOOL bWait) {
// DEBUG_LOG("GetOverlappedResult(%p, %p, %p, %u)\n", hFile, lpOverlapped, lpNumberOfBytesTransferred, bWait);
return 1;
}
}
static void *resolveByName(const char *name) {
// errhandlingapi.h
if (strcmp(name, "GetLastError") == 0) return (void *) kernel32::GetLastError;
if (strcmp(name, "SetLastError") == 0) return (void *) kernel32::SetLastError;
if (strcmp(name, "AddVectoredExceptionHandler") == 0) return (void *) kernel32::AddVectoredExceptionHandler;
// processthreadsapi.h
if (strcmp(name, "IsProcessorFeaturePresent") == 0) return (void *) kernel32::IsProcessorFeaturePresent;
if (strcmp(name, "GetCurrentProcess") == 0) return (void *) kernel32::GetCurrentProcess;
if (strcmp(name, "GetCurrentProcessId") == 0) return (void *) kernel32::GetCurrentProcessId;
if (strcmp(name, "GetCurrentThreadId") == 0) return (void *) kernel32::GetCurrentThreadId;
if (strcmp(name, "ExitProcess") == 0) return (void *) kernel32::ExitProcess;
if (strcmp(name, "GetExitCodeProcess") == 0) return (void *) kernel32::GetExitCodeProcess;
if (strcmp(name, "CreateProcessA") == 0) return (void *) kernel32::CreateProcessA;
if (strcmp(name, "TlsAlloc") == 0) return (void *) kernel32::TlsAlloc;
if (strcmp(name, "TlsFree") == 0) return (void *) kernel32::TlsFree;
if (strcmp(name, "TlsGetValue") == 0) return (void *) kernel32::TlsGetValue;
if (strcmp(name, "TlsSetValue") == 0) return (void *) kernel32::TlsSetValue;
if (strcmp(name, "GetStartupInfoA") == 0) return (void *) kernel32::GetStartupInfoA;
if (strcmp(name, "GetStartupInfoW") == 0) return (void *) kernel32::GetStartupInfoW;
if (strcmp(name, "SetThreadStackGuarantee") == 0) return (void *) kernel32::SetThreadStackGuarantee;
if (strcmp(name, "GetCurrentThread") == 0) return (void *) kernel32::GetCurrentThread;
if (strcmp(name, "SetThreadDescription") == 0) return (void *) kernel32::SetThreadDescription;
// winnls.h
if (strcmp(name, "GetSystemDefaultLangID") == 0) return (void *) kernel32::GetSystemDefaultLangID;
if (strcmp(name, "GetACP") == 0) return (void *) kernel32::GetACP;
if (strcmp(name, "GetCPInfo") == 0) return (void *) kernel32::GetCPInfo;
if (strcmp(name, "CompareStringA") == 0) return (void *) kernel32::CompareStringA;
if (strcmp(name, "CompareStringW") == 0) return (void *) kernel32::CompareStringW;
if (strcmp(name, "IsValidLocale") == 0) return (void *) kernel32::IsValidLocale;
if (strcmp(name, "IsValidCodePage") == 0) return (void *) kernel32::IsValidCodePage;
if (strcmp(name, "LCMapStringW") == 0) return (void *) kernel32::LCMapStringW;
if (strcmp(name, "LCMapStringA") == 0) return (void *) kernel32::LCMapStringA;
if (strcmp(name, "GetLocaleInfoA") == 0) return (void *) kernel32::GetLocaleInfoA;
if (strcmp(name, "GetLocaleInfoW") == 0) return (void *) kernel32::GetLocaleInfoW;
if (strcmp(name, "GetUserDefaultLCID") == 0) return (void *) kernel32::GetUserDefaultLCID;
if (strcmp(name, "IsDBCSLeadByte") == 0) return (void *) kernel32::IsDBCSLeadByte;
// synchapi.h
if (strcmp(name, "InitializeCriticalSection") == 0) return (void *) kernel32::InitializeCriticalSection;
if (strcmp(name, "InitializeCriticalSectionEx") == 0) return (void *) kernel32::InitializeCriticalSectionEx;
if (strcmp(name, "InitializeCriticalSectionAndSpinCount") == 0) return (void *) kernel32::InitializeCriticalSectionAndSpinCount;
if (strcmp(name, "DeleteCriticalSection") == 0) return (void *) kernel32::DeleteCriticalSection;
if (strcmp(name, "EnterCriticalSection") == 0) return (void *) kernel32::EnterCriticalSection;
if (strcmp(name, "LeaveCriticalSection") == 0) return (void *) kernel32::LeaveCriticalSection;
if (strcmp(name, "InitOnceBeginInitialize") == 0) return (void *) kernel32::InitOnceBeginInitialize;
if (strcmp(name, "AcquireSRWLockShared") == 0) return (void *) kernel32::AcquireSRWLockShared;
if (strcmp(name, "ReleaseSRWLockShared") == 0) return (void *) kernel32::ReleaseSRWLockShared;
if (strcmp(name, "AcquireSRWLockExclusive") == 0) return (void *) kernel32::AcquireSRWLockExclusive;
if (strcmp(name, "ReleaseSRWLockExclusive") == 0) return (void *) kernel32::ReleaseSRWLockExclusive;
if (strcmp(name, "TryAcquireSRWLockExclusive") == 0) return (void *) kernel32::TryAcquireSRWLockExclusive;
if (strcmp(name, "WaitForSingleObject") == 0) return (void *) kernel32::WaitForSingleObject;
// winbase.h
if (strcmp(name, "GlobalAlloc") == 0) return (void *) kernel32::GlobalAlloc;
if (strcmp(name, "GlobalReAlloc") == 0) return (void *) kernel32::GlobalReAlloc;
if (strcmp(name, "GlobalFree") == 0) return (void *) kernel32::GlobalFree;
if (strcmp(name, "GlobalFlags") == 0) return (void *) kernel32::GlobalFlags;
if (strcmp(name, "GetCurrentDirectoryA") == 0) return (void *) kernel32::GetCurrentDirectoryA;
if (strcmp(name, "GetCurrentDirectoryW") == 0) return (void *) kernel32::GetCurrentDirectoryW;
if (strcmp(name, "FindResourceA") == 0) return (void *) kernel32::FindResourceA;
if (strcmp(name, "SetHandleCount") == 0) return (void *) kernel32::SetHandleCount;
if (strcmp(name, "FormatMessageA") == 0) return (void *) kernel32::FormatMessageA;
if (strcmp(name, "GetComputerNameA") == 0) return (void *) kernel32::GetComputerNameA;
if (strcmp(name, "EncodePointer") == 0) return (void *) kernel32::EncodePointer;
if (strcmp(name, "DecodePointer") == 0) return (void *) kernel32::DecodePointer;
if (strcmp(name, "SetDllDirectoryA") == 0) return (void *) kernel32::SetDllDirectoryA;
// processenv.h
if (strcmp(name, "GetCommandLineA") == 0) return (void *) kernel32::GetCommandLineA;
if (strcmp(name, "GetCommandLineW") == 0) return (void *) kernel32::GetCommandLineW;
if (strcmp(name, "GetEnvironmentStrings") == 0) return (void *) kernel32::GetEnvironmentStrings;
if (strcmp(name, "FreeEnvironmentStringsA") == 0) return (void *) kernel32::FreeEnvironmentStringsA;
if (strcmp(name, "GetEnvironmentStringsW") == 0) return (void *) kernel32::GetEnvironmentStringsW;
if (strcmp(name, "FreeEnvironmentStringsW") == 0) return (void *) kernel32::FreeEnvironmentStringsW;
if (strcmp(name, "GetEnvironmentVariableA") == 0) return (void *) kernel32::GetEnvironmentVariableA;
if (strcmp(name, "SetEnvironmentVariableA") == 0) return (void *) kernel32::SetEnvironmentVariableA;
if (strcmp(name, "GetEnvironmentVariableW") == 0) return (void *) kernel32::GetEnvironmentVariableW;
// console api
if (strcmp(name, "GetStdHandle") == 0) return (void *) kernel32::GetStdHandle;
if (strcmp(name, "SetStdHandle") == 0) return (void *) kernel32::SetStdHandle;
if (strcmp(name, "DuplicateHandle") == 0) return (void *) kernel32::DuplicateHandle;
if (strcmp(name, "CloseHandle") == 0) return (void *) kernel32::CloseHandle;
if (strcmp(name, "GetConsoleMode") == 0) return (void *) kernel32::GetConsoleMode;
if (strcmp(name, "SetConsoleCtrlHandler") == 0) return (void *) kernel32::SetConsoleCtrlHandler;
if (strcmp(name, "GetConsoleScreenBufferInfo") == 0) return (void *) kernel32::GetConsoleScreenBufferInfo;
if (strcmp(name, "WriteConsoleW") == 0) return (void *) kernel32::WriteConsoleW;
// fileapi.h
if (strcmp(name, "GetFullPathNameA") == 0) return (void *) kernel32::GetFullPathNameA;
if (strcmp(name, "GetFullPathNameW") == 0) return (void *) kernel32::GetFullPathNameW;
if (strcmp(name, "GetShortPathNameA") == 0) return (void *) kernel32::GetShortPathNameA;
if (strcmp(name, "FindFirstFileA") == 0) return (void *) kernel32::FindFirstFileA;
if (strcmp(name, "FindFirstFileExA") == 0) return (void *) kernel32::FindFirstFileExA;
if (strcmp(name, "FindNextFileA") == 0) return (void *) kernel32::FindNextFileA;
if (strcmp(name, "FindClose") == 0) return (void *) kernel32::FindClose;
if (strcmp(name, "GetFileAttributesA") == 0) return (void *) kernel32::GetFileAttributesA;
if (strcmp(name, "WriteFile") == 0) return (void *) kernel32::WriteFile;
if (strcmp(name, "ReadFile") == 0) return (void *) kernel32::ReadFile;
if (strcmp(name, "CreateFileA") == 0) return (void *) kernel32::CreateFileA;
if (strcmp(name, "CreateFileW") == 0) return (void *) kernel32::CreateFileW;
if (strcmp(name, "CreateFileMappingA") == 0) return (void *) kernel32::CreateFileMappingA;
if (strcmp(name, "MapViewOfFile") == 0) return (void *) kernel32::MapViewOfFile;
if (strcmp(name, "UnmapViewOfFile") == 0) return (void *) kernel32::UnmapViewOfFile;
if (strcmp(name, "DeleteFileA") == 0) return (void *) kernel32::DeleteFileA;
if (strcmp(name, "SetFilePointer") == 0) return (void *) kernel32::SetFilePointer;
if (strcmp(name, "SetFilePointerEx") == 0) return (void *) kernel32::SetFilePointerEx;
if (strcmp(name, "SetEndOfFile") == 0) return (void *) kernel32::SetEndOfFile;
if (strcmp(name, "CreateDirectoryA") == 0) return (void *) kernel32::CreateDirectoryA;
if (strcmp(name, "RemoveDirectoryA") == 0) return (void *) kernel32::RemoveDirectoryA;
if (strcmp(name, "SetFileAttributesA") == 0) return (void *) kernel32::SetFileAttributesA;
if (strcmp(name, "GetFileSize") == 0) return (void *) kernel32::GetFileSize;
if (strcmp(name, "GetFileTime") == 0) return (void *) kernel32::GetFileTime;
if (strcmp(name, "SetFileTime") == 0) return (void *) kernel32::SetFileTime;
if (strcmp(name, "GetFileType") == 0) return (void *) kernel32::GetFileType;
if (strcmp(name, "FileTimeToLocalFileTime") == 0) return (void *) kernel32::FileTimeToLocalFileTime;
if (strcmp(name, "GetFileInformationByHandle") == 0) return (void *) kernel32::GetFileInformationByHandle;
// sysinfoapi.h
if (strcmp(name, "GetSystemTime") == 0) return (void *) kernel32::GetSystemTime;
if (strcmp(name, "GetLocalTime") == 0) return (void *) kernel32::GetLocalTime;
if (strcmp(name, "GetSystemTimeAsFileTime") == 0) return (void *) kernel32::GetSystemTimeAsFileTime;
if (strcmp(name, "GetTickCount") == 0) return (void *) kernel32::GetTickCount;
if (strcmp(name, "GetSystemDirectoryA") == 0) return (void *) kernel32::GetSystemDirectoryA;
if (strcmp(name, "GetWindowsDirectoryA") == 0) return (void *) kernel32::GetWindowsDirectoryA;
if (strcmp(name, "GetVersion") == 0) return (void *) kernel32::GetVersion;
if (strcmp(name, "GetVersionExA") == 0) return (void *) kernel32::GetVersionExA;
// timezoneapi.h
if (strcmp(name, "SystemTimeToFileTime") == 0) return (void *) kernel32::SystemTimeToFileTime;
if (strcmp(name, "FileTimeToSystemTime") == 0) return (void *) kernel32::FileTimeToSystemTime;
if (strcmp(name, "GetTimeZoneInformation") == 0) return (void *) kernel32::GetTimeZoneInformation;
// libloaderapi.h
if (strcmp(name, "GetModuleHandleA") == 0) return (void *) kernel32::GetModuleHandleA;
if (strcmp(name, "GetModuleHandleW") == 0) return (void *) kernel32::GetModuleHandleW;
if (strcmp(name, "GetModuleFileNameA") == 0) return (void *) kernel32::GetModuleFileNameA;
if (strcmp(name, "GetModuleFileNameW") == 0) return (void *) kernel32::GetModuleFileNameW;
if (strcmp(name, "LoadResource") == 0) return (void *) kernel32::LoadResource;
if (strcmp(name, "LockResource") == 0) return (void *) kernel32::LockResource;
if (strcmp(name, "SizeofResource") == 0) return (void *) kernel32::SizeofResource;
if (strcmp(name, "LoadLibraryA") == 0) return (void *) kernel32::LoadLibraryA;
if (strcmp(name, "LoadLibraryExW") == 0) return (void *) kernel32::LoadLibraryExW;
if (strcmp(name, "FreeLibrary") == 0) return (void *) kernel32::FreeLibrary;
if (strcmp(name, "GetProcAddress") == 0) return (void *) kernel32::GetProcAddress;
// heapapi.h
if (strcmp(name, "HeapCreate") == 0) return (void *) kernel32::HeapCreate;
if (strcmp(name, "GetProcessHeap") == 0) return (void *) kernel32::GetProcessHeap;
if (strcmp(name, "HeapSetInformation") == 0) return (void *) kernel32::HeapSetInformation;
if (strcmp(name, "HeapAlloc") == 0) return (void *) kernel32::HeapAlloc;
if (strcmp(name, "HeapReAlloc") == 0) return (void *) kernel32::HeapReAlloc;
if (strcmp(name, "HeapSize") == 0) return (void *) kernel32::HeapSize;
if (strcmp(name, "HeapFree") == 0) return (void *) kernel32::HeapFree;
// memoryapi.h
if (strcmp(name, "VirtualAlloc") == 0) return (void *) kernel32::VirtualAlloc;
if (strcmp(name, "VirtualFree") == 0) return (void *) kernel32::VirtualFree;
if (strcmp(name, "GetProcessWorkingSetSize") == 0) return (void *) kernel32::GetProcessWorkingSetSize;
if (strcmp(name, "SetProcessWorkingSetSize") == 0) return (void *) kernel32::SetProcessWorkingSetSize;
// stringapiset.h
if (strcmp(name, "WideCharToMultiByte") == 0) return (void *) kernel32::WideCharToMultiByte;
if (strcmp(name, "MultiByteToWideChar") == 0) return (void *) kernel32::MultiByteToWideChar;
if (strcmp(name, "GetStringTypeW") == 0) return (void *) kernel32::GetStringTypeW;
// profileapi.h
if (strcmp(name, "QueryPerformanceCounter") == 0) return (void *) kernel32::QueryPerformanceCounter;
if (strcmp(name, "QueryPerformanceFrequency") == 0) return (void *) kernel32::QueryPerformanceFrequency;
// debugapi.h
if (strcmp(name, "IsDebuggerPresent") == 0) return (void *) kernel32::IsDebuggerPresent;
// errhandlingapi.h
if (strcmp(name, "SetUnhandledExceptionFilter") == 0) return (void *) kernel32::SetUnhandledExceptionFilter;
if (strcmp(name, "UnhandledExceptionFilter") == 0) return (void *) kernel32::UnhandledExceptionFilter;
// interlockedapi.h
if (strcmp(name, "InitializeSListHead") == 0) return (void *) kernel32::InitializeSListHead;
// winnt.h
if (strcmp(name, "RtlUnwind") == 0) return (void *) kernel32::RtlUnwind;
if (strcmp(name, "InterlockedIncrement") == 0) return (void *) kernel32::InterlockedIncrement;
if (strcmp(name, "InterlockedDecrement") == 0) return (void *) kernel32::InterlockedDecrement;
if (strcmp(name, "InterlockedExchange") == 0) return (void *) kernel32::InterlockedExchange;
// fibersapi.h
if (strcmp(name, "FlsAlloc") == 0) return (void *) kernel32::FlsAlloc;
if (strcmp(name, "FlsFree") == 0) return (void *) kernel32::FlsFree;
if (strcmp(name, "FlsSetValue") == 0) return (void *) kernel32::FlsSetValue;
if (strcmp(name, "FlsGetValue") == 0) return (void *) kernel32::FlsGetValue;
// ioapiset.h
if (strcmp(name, "GetOverlappedResult") == 0) return (void *) kernel32::GetOverlappedResult;
return 0;
}
wibo::Module lib_kernel32 = {
(const char *[]){
"kernel32",
"kernel32.dll",
nullptr,
},
resolveByName,
nullptr,
};