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[enum] retrieval of device size

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This commit is contained in:
Pete Batard 2011-11-18 01:58:08 +00:00
parent 835b9089f2
commit 621721b547
2 changed files with 66 additions and 9 deletions
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70
usbdos.c
View file

@ -1,6 +1,9 @@
/*
* USBDOS: USB DOS bootable stick creation utility
* Copyright (c) 2011 Pete Batard <pete@akeo.ie>
*
* Device enumeration based in part on TestUSBDriveEject.cpp by ahmd:
* http://www.codeguru.com/forum/showpost.php?p=1951973&postcount=7
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -23,6 +26,7 @@
#include <string.h>
#include <commctrl.h>
#include <setupapi.h>
// TODO: MinGW32 requires <ddk/ntddscsi.h>
#include <ntddscsi.h>
#include "msapi_utf8.h"
@ -96,7 +100,7 @@ static char err_string[256];
*/
char GetDriveInfo(DWORD num, char** label)
{
BOOL r, ret = FALSE;
BOOL r;
DWORD size;
HANDLE hDrive;
STORAGE_DEVICE_NUMBER sdn = {0};
@ -158,10 +162,15 @@ static BOOL GetUSBDevices(void)
SP_DEVICE_INTERFACE_DATA devint_data;
PSP_DEVICE_INTERFACE_DETAIL_DATA_A devint_detail_data;
STORAGE_DEVICE_NUMBER storage_device;
STORAGE_PROPERTY_QUERY storage_query;
STORAGE_DESCRIPTOR_HEADER storage_descriptor_header;
PSTORAGE_DEVICE_DESCRIPTOR storage_descriptor;
BYTE geometry[128];
LONGLONG disk_size;
DWORD size, i, j, datatype;
HANDLE hDrive;
char drive_letter;
char *label, entry[MAX_PATH], buffer[MAX_PATH];
char *label, entry[MAX_PATH], buffer[MAX_PATH], *tmp;
IGNORE_RETVAL(ComboBox_ResetContent(hDeviceList));
@ -191,8 +200,14 @@ static BOOL GetUSBDevices(void)
uprintf("found drive '%s'\n", buffer);
devint_data.cbSize = sizeof(devint_data);
hDrive = INVALID_HANDLE_VALUE;
devint_detail_data = NULL;
for (j=0;;j++) {
storage_descriptor = NULL;
for (j=0; ;j++) {
safe_closehandle(hDrive);
safe_free(devint_detail_data);
safe_free(storage_descriptor);
if (!SetupDiEnumDeviceInterfaces(dev_info, &dev_info_data, &GUID_DEVINTERFACE_DISK, j, &devint_data)) {
if(GetLastError() != ERROR_NO_MORE_ITEMS) {
uprintf("SetupDiEnumDeviceInterfaces failed: %s\n", WindowsErrorString(0));
@ -223,21 +238,56 @@ static BOOL GetUSBDevices(void)
uprintf("could not open '%s': %s\n", devint_detail_data->DevicePath, WindowsErrorString(0));
continue;
}
safe_free(devint_detail_data);
memset(&storage_device, 0, sizeof(storage_device));
r = DeviceIoControl(hDrive, IOCTL_STORAGE_GET_DEVICE_NUMBER,
NULL, 0, &storage_device, sizeof(storage_device), &size, NULL );
if (!r || size <= 0) {
uprintf("IOCTL_STORAGE_GET_DEVICE_NUMBER failed: %s\n", WindowsErrorString(0));
CloseHandle(hDrive);
continue;
}
CloseHandle(hDrive);
storage_query.PropertyId = StorageDeviceProperty;
storage_query.QueryType = PropertyStandardQuery;
r = DeviceIoControl(hDrive, IOCTL_STORAGE_QUERY_PROPERTY,
&storage_query, sizeof(storage_query),
&storage_descriptor_header, sizeof(storage_descriptor_header),
&size, NULL );
if (!r || size <= 0) {
uprintf("IOCTL_STORAGE_QUERY_PROPERTY->STORAGE_DEVICE_DESCRIPTOR (dummy) failed: %s\n", WindowsErrorString(0));
continue;
}
storage_descriptor = (PSTORAGE_DEVICE_DESCRIPTOR)calloc(1, storage_descriptor_header.Size);
if (storage_descriptor == NULL) {
uprintf("unable to allocate memory for STORAGE_DEVICE_DESCRIPTOR\n");
continue;
}
r = DeviceIoControl(hDrive, IOCTL_STORAGE_QUERY_PROPERTY,
&storage_query, sizeof(storage_query),
storage_descriptor, storage_descriptor_header.Size,
&size, NULL );
if (!r || size <= 0) {
uprintf("IOCTL_STORAGE_QUERY_PROPERTY->STORAGE_DEVICE_DESCRIPTOR (actual) failed: %s\n", WindowsErrorString(0));
continue;
}
tmp = (char*)storage_descriptor;
uprintf("%s:%s:%s:%s\n", storage_descriptor->VendorIdOffset?&tmp[storage_descriptor->VendorIdOffset]:"",
storage_descriptor->ProductIdOffset?&tmp[storage_descriptor->ProductIdOffset]:"",
storage_descriptor->ProductRevisionOffset?&tmp[storage_descriptor->ProductRevisionOffset]:"",
storage_descriptor->SerialNumberOffset?&tmp[storage_descriptor->SerialNumberOffset]:"");
r = DeviceIoControl(hDrive, IOCTL_DISK_GET_DRIVE_GEOMETRY_EX,
NULL, 0, geometry, sizeof(geometry),
&size, NULL );
if (!r || size <= 0) {
uprintf("IOCTL_DISK_GET_DRIVE_GEOMETRY_EX failed: %s\n", WindowsErrorString(0));
continue;
}
disk_size = ((PDISK_GEOMETRY_EX)geometry)->DiskSize.QuadPart / 1024 / 1024;
drive_letter = GetDriveInfo(storage_device.DeviceNumber, &label);
if (drive_letter) {
safe_sprintf(entry, sizeof(entry), "%s (%c:)\n", label, drive_letter);
safe_sprintf(entry, sizeof(entry), "%s (%I64i MB) (%c:)\n", label, disk_size, drive_letter);
IGNORE_RETVAL(ComboBox_AddStringU(hDeviceList, entry));
}
}
@ -246,10 +296,12 @@ static BOOL GetUSBDevices(void)
return TRUE;
}
// TODO: the device is currently in use by another application (find application a la TGit installer?)
/*
* Main dialog callback
*/
static INT_PTR CALLBACK main_callback(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
static INT_PTR CALLBACK MainCallback(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message) {
@ -347,7 +399,7 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
// Create the main Window
if ( (hDlg = CreateDialogA(hInstance, MAKEINTRESOURCEA(IDD_DIALOG), NULL, main_callback)) == NULL ) {
if ( (hDlg = CreateDialogA(hInstance, MAKEINTRESOURCEA(IDD_DIALOG), NULL, MainCallback)) == NULL ) {
MessageBoxA(NULL, "Could not create Window", "DialogBox failure", MB_ICONSTOP);
goto out;
}

5
usbdos.h
View file

@ -24,6 +24,7 @@
#define IGNORE_RETVAL(expr) do { (void)(expr); } while(0)
#define safe_free(p) do {free((void*)p); p = NULL;} while(0)
#define safe_closehandle(h) do {if (h != INVALID_HANDLE_VALUE) {CloseHandle(h); h = INVALID_HANDLE_VALUE;}} while(0)
#define safe_min(a, b) min((size_t)(a), (size_t)(b))
#define safe_strcp(dst, dst_max, src, count) do {memcpy(dst, src, safe_min(count, dst_max)); \
((char*)dst)[safe_min(count, dst_max)-1] = 0;} while(0)
@ -44,6 +45,10 @@
#define safe_vsnprintf vsnprintf
#endif
#if !defined(GUID_DEVINTERFACE_DISK)
const GUID GUID_DEVINTERFACE_DISK = { 0x53f56307L, 0xb6bf, 0x11d0, {0x94, 0xf2, 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b} };
#endif
typedef struct _SCSI_PASS_THROUGH_WITH_BUFFERS {
SCSI_PASS_THROUGH Spt;
ULONG Filler;