8000 copy required files for libusb-win32 filter driver installation by xzn · Pull Request #216 · pbatard/libwdi · GitHub
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copy required files for libusb-win32 filter driver installation #216

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copy required files for libusb-win32 filter driver installation #216

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ec2c106
copy required files for libusb-win32 filter driver installation
xzn May 24, 2021
3885768
Fix 32-bit and WOW64 path when copying files
xzn May 24, 2021
cb742a8
Fixed condition for 32-bit Windows (hopefully)
xzn May 24, 2021
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85 changes: 79 additions & 6 deletions libwdi/libwdi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1443,13 +1443,16 @@ static int install_driver_internal(void* arglist)
STARTUPINFOA si;
PROCESS_INFORMATION pi;
SECURITY_ATTRIBUTES sa;
char path[MAX_PATH], exename[MAX_PATH], exeargs[MAX_PATH];
char path[MAX_PATH], exepath[MAX_PATH], exename[MAX_PATH], exeargs[MAX_PATH];
char srcp 10000 ath[MAX_PATH], dstpath[MAX_PATH], syspath[MAX_PATH];
HANDLE stdout_w = INVALID_HANDLE_VALUE;
HANDLE handle[3] = { INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE };
OVERLAPPED overlapped;
int r;
DWORD err, rd_count, to_read, offset, bufsize = LOGBUF_SIZE;
BOOL is_x64 = FALSE;
UINT ret;
BOOL is_x64 = FALSE, is_WOW64 = FALSE;
BOOL is_uninstall = FALSE;
char *buffer = NULL, *new_buffer;
const char* filter_name = "libusb0";

Expand Down Expand Up @@ -1504,6 +1507,7 @@ static int install_driver_internal(void* arglist)
// This application is not 64 bit, but it might be 32 bit
// running in WOW64
IsWow64Process(GetCurrentProcess(), &is_x64);
is_WOW64 = is_x64;
} else {
is_x64 = TRUE;
}
Expand All @@ -1529,12 +1533,15 @@ static int install_driver_internal(void* arglist)
if (!filter_driver) {
// Why do we need two installers? Glad you asked. If you try to run the x86 installer on an x64
// system, you will get a "System does not work under WOW64 and requires 64-bit version" message.
static_strcpy(exepath, path);
static_sprintf(exename, "\"%s\\installer_x%s.exe\"", path, is_x64?"64":"86");
static_sprintf(exeargs, "\"%s\"", params->inf_name);
} else {
// Use libusb-win32's filter driver installer
static_sprintf(exename, "\"%s\\%s\\\\install-filter.exe\"", path, is_x64?"amd64":"x86");
if (safe_stricmp(current_device->upper_filter, filter_name) == 0) {
static_sprintf(exepath, "%s\\%s", path, is_x64?"amd64":"x86");
static_sprintf(exename, "\"%s\\%s\\install-filter.exe\"", path, is_x64?"amd64":"x86");
is_uninstall = safe_stricmp(current_device->upper_filter, filter_name) == 0;
if (is_uninstall) {
// Device already has the libusb-win32 filter => remove
static_strcpy(exeargs, "uninstall -d=");
} else {
Expand All @@ -1561,15 +1568,15 @@ static int install_driver_internal(void* arglist)
r = WDI_ERROR_NOT_FOUND; goto out;
}

if (IsUserAnAdmin()) {
if (!IsUserAnAdmin()) {
// Take care of UAC with ShellExecuteEx + runas
shExecInfo.cbSize = sizeof(SHELLEXECUTEINFOA);
shExecInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
shExecInfo.hwnd = NULL;
shExecInfo.lpVerb = "runas";
shExecInfo.lpFile = filter_driver?"install-filter.exe":(is_x64?"installer_x64.exe":"installer_x86.exe");
shExecInfo.lpParameters = exeargs;
shExecInfo.lpDirectory = path;
shExecInfo.lpDirectory = exepath;
shExecInfo.lpClass = NULL;
shExecInfo.nShow = SW_HIDE;
shExecInfo.hInstApp = NULL;
Expand Down Expand Up @@ -1598,6 +1605,72 @@ static int install_driver_internal(void* arglist)

handle[1] = shExecInfo.hProcess;
} else {
// Copy required files for filter driver
if (filter_driver && !is_uninstall) {
ret = GetSystemWindowsDirectoryU(syspath, sizeof(syspath));
if (ret == 0) {
err = GetLastError();

wdi_err("Error getting system path: %s", windows_error_str(err));
r = WDI_ERROR_IO;
goto out;
}

if (is_x64) {
static_sprintf(srcpath, "%s\\amd64\\libusb0.sys", path);
} else {
static_sprintf(srcpath, "%s\\x86\\libusb0.sys", path);
}
if (is_x64 && is_WOW64) {
static_sprintf(dstpath, "%s\\Sysnative\\drivers\\libusb0.sys", syspath);
} else {
static_sprintf(dstpath, "%s\\System32\\drivers\\libusb0.sys", syspath);
}
if (!CopyFileU(srcpath, dstpath, TRUE)) {
err = GetLastError();

if (err != ERROR_SUCCESS && err != ERROR_FILE_EXISTS) {
wdi_err("Error copying \"%s\" to \"%s\": %s", srcpath, dstpath, windows_error_str(err));
r = WDI_ERROR_IO;
goto out;
}
}

if (is_x64) {
static_sprintf(srcpath, "%s\\amd64\\libusb0.dll", path);
if (is_WOW64) {
static_sprintf(dstpath, "%s\\Sysnative\\libusb0.dll", syspath);
} else {
static_sprintf(dstpath, "%s\\System32\\libusb0.dll", syspath);
}
if (!CopyFileU(srcpath, dstpath, TRUE)) {
err = GetLastError();

if (err != ERROR_SUCCESS && err != ERROR_FILE_EXISTS) {
wdi_err("Error copying \"%s\" to \"%s\": %s", srcpath, dstpath, windows_error_str(err));
r = WDI_ERROR_IO;
goto out;
}
}
}

static_sprintf(srcpath, "%s\\x86\\libusb0_x86.dll", path);
if (!is_x64 || is_WOW64) {
static_sprintf(dstpath, "%s\\System32\\libusb0.dll", syspath);
} else {
static_sprintf(dstpath, "%s\\SysWOW64\\libusb0.dll", syspath);
}
if (!CopyFileU(srcpath, dstpath, TRUE)) {
err = GetLastError();

if (err != ERROR_SUCCESS && err != ERROR_FILE_EXISTS) {
wdi_err("Error copying \"%s\" to \"%s\": %s", srcpath, dstpath, windows_error_str(err));
r = WDI_ERROR_IO;
goto out;
}
}
}

// If app is already elevated, simply use CreateProcess()
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
Expand Down
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