496 lines
14 KiB
C
496 lines
14 KiB
C
/*
|
|
* Drive management code
|
|
*
|
|
* Copyright 2003 Mark Westcott
|
|
* Copyright 2003-2004 Mike Hearn
|
|
* Copyright 2004 Chris Morgan
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "wine/port.h"
|
|
|
|
#include <assert.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include <windef.h>
|
|
#include <winbase.h>
|
|
#include <winreg.h>
|
|
#include <wine/debug.h>
|
|
#include <shellapi.h>
|
|
#include <objbase.h>
|
|
#include <shlguid.h>
|
|
#include <shlwapi.h>
|
|
#include <shlobj.h>
|
|
#include <wine/library.h>
|
|
|
|
#include "winecfg.h"
|
|
#include "resource.h"
|
|
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(winecfg);
|
|
|
|
struct drive drives[26]; /* one for each drive letter */
|
|
|
|
static inline int letter_to_index(char letter)
|
|
{
|
|
return (toupper(letter) - 'A');
|
|
}
|
|
|
|
/* This function produces a mask for each drive letter that isn't
|
|
* currently used. Each bit of the long result represents a letter,
|
|
* with A being the least significant bit, and Z being the most
|
|
* significant.
|
|
*
|
|
* To calculate this, we loop over each letter, and see if we can get
|
|
* a drive entry for it. If so, we set the appropriate bit. At the
|
|
* end, we flip each bit, to give the desired result.
|
|
*
|
|
* The letter parameter is always marked as being available. This is
|
|
* so the edit dialog can display the currently used drive letter
|
|
* alongside the available ones.
|
|
*/
|
|
long drive_available_mask(char letter)
|
|
{
|
|
long result = 0;
|
|
int i;
|
|
|
|
WINE_TRACE("\n");
|
|
|
|
|
|
for(i = 0; i < 26; i++)
|
|
{
|
|
if (!drives[i].in_use) continue;
|
|
result |= (1 << (letter_to_index(drives[i].letter)));
|
|
}
|
|
|
|
result = ~result;
|
|
if (letter) result |= DRIVE_MASK_BIT(letter);
|
|
|
|
WINE_TRACE("finished drive letter loop with %lx\n", result);
|
|
return result;
|
|
}
|
|
|
|
BOOL add_drive(char letter, const char *targetpath, const WCHAR *label, DWORD serial, DWORD type)
|
|
{
|
|
int driveIndex = letter_to_index(letter);
|
|
|
|
if(drives[driveIndex].in_use)
|
|
return FALSE;
|
|
|
|
WINE_TRACE("letter == '%c', unixpath == '%s', label == %s, serial == %08x, type == %d\n",
|
|
letter, targetpath, wine_dbgstr_w(label), serial, type);
|
|
|
|
drives[driveIndex].letter = toupper(letter);
|
|
drives[driveIndex].unixpath = strdupA(targetpath);
|
|
drives[driveIndex].label = strdupW(label);
|
|
drives[driveIndex].serial = serial;
|
|
drives[driveIndex].type = type;
|
|
drives[driveIndex].in_use = TRUE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* deallocates the contents of the drive. does not free the drive itself */
|
|
void delete_drive(struct drive *d)
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, d->unixpath);
|
|
d->unixpath = NULL;
|
|
HeapFree(GetProcessHeap(), 0, d->label);
|
|
d->label = NULL;
|
|
d->serial = 0;
|
|
d->in_use = FALSE;
|
|
}
|
|
|
|
static void set_drive_type( char letter, DWORD type )
|
|
{
|
|
HKEY hKey;
|
|
char driveValue[4];
|
|
const char *typeText = NULL;
|
|
|
|
sprintf(driveValue, "%c:", letter);
|
|
|
|
/* Set the drive type in the registry */
|
|
if (type == DRIVE_FIXED)
|
|
typeText = "hd";
|
|
else if (type == DRIVE_REMOTE)
|
|
typeText = "network";
|
|
else if (type == DRIVE_REMOVABLE)
|
|
typeText = "floppy";
|
|
else if (type == DRIVE_CDROM)
|
|
typeText = "cdrom";
|
|
|
|
if (RegCreateKey(HKEY_LOCAL_MACHINE, "Software\\Wine\\Drives", &hKey) != ERROR_SUCCESS)
|
|
WINE_TRACE(" Unable to open '%s'\n", "Software\\Wine\\Drives");
|
|
else
|
|
{
|
|
if (typeText)
|
|
RegSetValueEx( hKey, driveValue, 0, REG_SZ, (const BYTE *)typeText, strlen(typeText) + 1 );
|
|
else
|
|
RegDeleteValue( hKey, driveValue );
|
|
RegCloseKey(hKey);
|
|
}
|
|
}
|
|
|
|
static DWORD get_drive_type( char letter )
|
|
{
|
|
HKEY hKey;
|
|
char driveValue[4];
|
|
DWORD ret = DRIVE_UNKNOWN;
|
|
|
|
sprintf(driveValue, "%c:", letter);
|
|
|
|
if (RegOpenKey(HKEY_LOCAL_MACHINE, "Software\\Wine\\Drives", &hKey) != ERROR_SUCCESS)
|
|
WINE_TRACE(" Unable to open Software\\Wine\\Drives\n" );
|
|
else
|
|
{
|
|
char buffer[80];
|
|
DWORD size = sizeof(buffer);
|
|
|
|
if (!RegQueryValueExA( hKey, driveValue, NULL, NULL, (LPBYTE)buffer, &size ))
|
|
{
|
|
WINE_TRACE("Got type '%s' for %s\n", buffer, driveValue );
|
|
if (!lstrcmpi( buffer, "hd" )) ret = DRIVE_FIXED;
|
|
else if (!lstrcmpi( buffer, "network" )) ret = DRIVE_REMOTE;
|
|
else if (!lstrcmpi( buffer, "floppy" )) ret = DRIVE_REMOVABLE;
|
|
else if (!lstrcmpi( buffer, "cdrom" )) ret = DRIVE_CDROM;
|
|
}
|
|
RegCloseKey(hKey);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
static void set_drive_label( char letter, const WCHAR *label )
|
|
{
|
|
static const WCHAR emptyW[1];
|
|
WCHAR device[] = {'a',':','\\',0}; /* SetVolumeLabel() requires a trailing slash */
|
|
device[0] = letter;
|
|
|
|
if (!label) label = emptyW;
|
|
if(!SetVolumeLabelW(device, label))
|
|
{
|
|
WINE_WARN("unable to set volume label for devicename of %s, label of %s\n",
|
|
wine_dbgstr_w(device), wine_dbgstr_w(label));
|
|
PRINTERROR();
|
|
}
|
|
else
|
|
{
|
|
WINE_TRACE(" set volume label for devicename of %s, label of %s\n",
|
|
wine_dbgstr_w(device), wine_dbgstr_w(label));
|
|
}
|
|
}
|
|
|
|
/* set the drive serial number via a .windows-serial file */
|
|
static void set_drive_serial( char letter, DWORD serial )
|
|
{
|
|
char filename[] = "a:\\.windows-serial";
|
|
HANDLE hFile;
|
|
|
|
filename[0] = letter;
|
|
WINE_TRACE("Putting serial number of %08x into file '%s'\n", serial, filename);
|
|
hFile = CreateFile(filename, GENERIC_WRITE, FILE_SHARE_READ, NULL,
|
|
CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
|
|
if (hFile != INVALID_HANDLE_VALUE)
|
|
{
|
|
DWORD w;
|
|
char buffer[16];
|
|
|
|
sprintf( buffer, "%X\n", serial );
|
|
WriteFile(hFile, buffer, strlen(buffer), &w, NULL);
|
|
CloseHandle(hFile);
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
|
|
/* currently unused, but if users have this burning desire to be able to rename drives,
|
|
we can put it back in.
|
|
*/
|
|
|
|
BOOL copyDrive(struct drive *pSrc, struct drive *pDst)
|
|
{
|
|
if(pDst->in_use)
|
|
{
|
|
WINE_TRACE("pDst already in use\n");
|
|
return FALSE;
|
|
}
|
|
|
|
if(!pSrc->unixpath) WINE_TRACE("!pSrc->unixpath\n");
|
|
if(!pSrc->label) WINE_TRACE("!pSrc->label\n");
|
|
if(!pSrc->serial) WINE_TRACE("!pSrc->serial\n");
|
|
|
|
pDst->unixpath = strdupA(pSrc->unixpath);
|
|
pDst->label = strdupA(pSrc->label);
|
|
pDst->serial = strdupA(pSrc->serial);
|
|
pDst->type = pSrc->type;
|
|
pDst->in_use = TRUE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL moveDrive(struct drive *pSrc, struct drive *pDst)
|
|
{
|
|
WINE_TRACE("pSrc->letter == %c, pDst->letter == %c\n", pSrc->letter, pDst->letter);
|
|
|
|
if(!copyDrive(pSrc, pDst))
|
|
{
|
|
WINE_TRACE("copyDrive failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
delete_drive(pSrc);
|
|
return TRUE;
|
|
}
|
|
|
|
#endif
|
|
|
|
/* Load currently defined drives into the drives array */
|
|
void load_drives(void)
|
|
{
|
|
WCHAR *devices, *dev;
|
|
int len;
|
|
int drivecount = 0, i;
|
|
int retval;
|
|
static const int arraysize = 512;
|
|
const char *config_dir = wine_get_config_dir();
|
|
char *path;
|
|
|
|
WINE_TRACE("\n");
|
|
|
|
/* setup the drives array */
|
|
dev = devices = HeapAlloc(GetProcessHeap(), 0, arraysize * sizeof(WCHAR));
|
|
len = GetLogicalDriveStringsW(arraysize, devices);
|
|
|
|
/* make all devices unused */
|
|
for (i = 0; i < 26; i++)
|
|
{
|
|
drives[i].letter = 'A' + i;
|
|
drives[i].in_use = FALSE;
|
|
drives[i].serial = 0;
|
|
|
|
HeapFree(GetProcessHeap(), 0, drives[i].unixpath);
|
|
drives[i].unixpath = NULL;
|
|
|
|
HeapFree(GetProcessHeap(), 0, drives[i].label);
|
|
drives[i].label = NULL;
|
|
}
|
|
|
|
/* work backwards through the result of GetLogicalDriveStrings */
|
|
while (len)
|
|
{
|
|
WCHAR volname[512]; /* volume name */
|
|
DWORD serial;
|
|
char simplepath[3];
|
|
char targetpath[256];
|
|
char *c;
|
|
|
|
WINE_TRACE("devices == %s\n", wine_dbgstr_w(devices));
|
|
|
|
volname[0] = 0;
|
|
|
|
retval = GetVolumeInformationW(devices, volname, sizeof(volname)/sizeof(WCHAR),
|
|
&serial, NULL, NULL, NULL, 0);
|
|
if(!retval)
|
|
{
|
|
WINE_ERR("GetVolumeInformation() for %s failed, setting serial to 0\n",
|
|
wine_dbgstr_w(devices));
|
|
PRINTERROR();
|
|
serial = 0;
|
|
}
|
|
|
|
WINE_TRACE("serial: '0x%X'\n", serial);
|
|
|
|
/* QueryDosDevice() requires no trailing backslash */
|
|
simplepath[0] = devices[0];
|
|
simplepath[1] = ':';
|
|
simplepath[2] = 0;
|
|
QueryDosDevice(simplepath, targetpath, sizeof(targetpath));
|
|
|
|
/* targetpath may have forward slashes rather than backslashes, so correct */
|
|
c = targetpath;
|
|
do if (*c == '\\') *c = '/'; while (*c++);
|
|
|
|
add_drive(*devices, targetpath, volname, serial, get_drive_type(devices[0]) );
|
|
|
|
len -= lstrlenW(devices);
|
|
devices += lstrlenW(devices);
|
|
|
|
/* skip over any nulls */
|
|
while ((*devices == 0) && (len))
|
|
{
|
|
len--;
|
|
devices++;
|
|
}
|
|
|
|
drivecount++;
|
|
}
|
|
|
|
/* Find all the broken symlinks we might have and add them as well. */
|
|
|
|
len = strlen(config_dir) + sizeof("/dosdevices/a:");
|
|
if (!(path = HeapAlloc(GetProcessHeap(), 0, len)))
|
|
return;
|
|
|
|
strcpy(path, config_dir);
|
|
strcat(path, "/dosdevices/a:");
|
|
|
|
for (i = 0; i < 26; i++)
|
|
{
|
|
char buff[MAX_PATH];
|
|
struct stat st;
|
|
int cnt;
|
|
|
|
if (drives[i].in_use) continue;
|
|
path[len - 3] = 'a' + i;
|
|
|
|
if (lstat(path, &st) == -1 || !S_ISLNK(st.st_mode)) continue;
|
|
if ((cnt = readlink(path, buff, sizeof(buff))) == -1) continue;
|
|
buff[cnt] = '\0';
|
|
|
|
WINE_TRACE("found broken symlink %s -> %s\n", path, buff);
|
|
add_drive('A' + i, buff, NULL, 0, DRIVE_UNKNOWN);
|
|
|
|
drivecount++;
|
|
}
|
|
|
|
WINE_TRACE("found %d drives\n", drivecount);
|
|
|
|
HeapFree(GetProcessHeap(), 0, path);
|
|
HeapFree(GetProcessHeap(), 0, dev);
|
|
}
|
|
|
|
/* some of this code appears to be broken by bugs in Wine: the label
|
|
* setting code has no effect, for instance */
|
|
void apply_drive_changes(void)
|
|
{
|
|
int i;
|
|
CHAR devicename[4];
|
|
CHAR targetpath[256];
|
|
BOOL foundDrive;
|
|
WCHAR volumeNameBuffer[512];
|
|
DWORD serialNumber;
|
|
int retval;
|
|
BOOL defineDevice;
|
|
|
|
WINE_TRACE("\n");
|
|
|
|
/* add each drive and remove as we go */
|
|
for(i = 0; i < 26; i++)
|
|
{
|
|
defineDevice = FALSE;
|
|
foundDrive = FALSE;
|
|
volumeNameBuffer[0] = 0;
|
|
serialNumber = 0;
|
|
snprintf(devicename, sizeof(devicename), "%c:", 'A' + i);
|
|
|
|
/* get a drive */
|
|
if(QueryDosDevice(devicename, targetpath, sizeof(targetpath)))
|
|
{
|
|
char *cursor;
|
|
|
|
/* correct the slashes in the path to be UNIX style */
|
|
while ((cursor = strchr(targetpath, '\\'))) *cursor = '/';
|
|
|
|
foundDrive = TRUE;
|
|
}
|
|
|
|
/* if we found a drive and have a drive then compare things */
|
|
if(foundDrive && drives[i].in_use)
|
|
{
|
|
WCHAR deviceW[4] = {'a',':','\\',0};
|
|
WINE_TRACE("drives[i].letter: '%c'\n", drives[i].letter);
|
|
|
|
deviceW[0] = 'A' + i;
|
|
retval = GetVolumeInformationW(deviceW, volumeNameBuffer, sizeof(volumeNameBuffer)/sizeof(WCHAR),
|
|
&serialNumber, NULL, NULL, NULL, 0 );
|
|
if(!retval)
|
|
{
|
|
WINE_TRACE(" GetVolumeInformation() for '%s' failed\n", devicename);
|
|
PRINTERROR();
|
|
volumeNameBuffer[0] = '\0';
|
|
}
|
|
|
|
WINE_TRACE(" current path: '%s', new path: '%s'\n",
|
|
targetpath, drives[i].unixpath);
|
|
|
|
/* compare to what we have */
|
|
/* do we have the same targetpath? */
|
|
if(strcmp(drives[i].unixpath, targetpath))
|
|
{
|
|
defineDevice = TRUE;
|
|
WINE_TRACE(" making changes to drive '%s'\n", devicename);
|
|
}
|
|
else
|
|
{
|
|
WINE_TRACE(" no changes to drive '%s'\n", devicename);
|
|
}
|
|
}
|
|
else if(foundDrive && !drives[i].in_use)
|
|
{
|
|
/* remove this drive */
|
|
if(!DefineDosDevice(DDD_REMOVE_DEFINITION, devicename, drives[i].unixpath))
|
|
{
|
|
WINE_ERR("unable to remove devicename of '%s', targetpath of '%s'\n",
|
|
devicename, drives[i].unixpath);
|
|
PRINTERROR();
|
|
}
|
|
else
|
|
{
|
|
WINE_TRACE("removed devicename of '%s', targetpath of '%s'\n",
|
|
devicename, drives[i].unixpath);
|
|
}
|
|
|
|
set_drive_type( drives[i].letter, DRIVE_UNKNOWN );
|
|
continue;
|
|
}
|
|
else if(drives[i].in_use) /* foundDrive must be false from the above check */
|
|
{
|
|
defineDevice = TRUE;
|
|
}
|
|
|
|
/* adding and modifying are the same steps */
|
|
if(defineDevice)
|
|
{
|
|
/* define this drive */
|
|
/* DefineDosDevice() requires that NO trailing slash be present */
|
|
snprintf(devicename, sizeof(devicename), "%c:", 'A' + i);
|
|
if(!DefineDosDevice(DDD_RAW_TARGET_PATH, devicename, drives[i].unixpath))
|
|
{
|
|
WINE_ERR(" unable to define devicename of '%s', targetpath of '%s'\n",
|
|
devicename, drives[i].unixpath);
|
|
PRINTERROR();
|
|
}
|
|
else
|
|
{
|
|
WINE_TRACE(" added devicename of '%s', targetpath of '%s'\n",
|
|
devicename, drives[i].unixpath);
|
|
}
|
|
}
|
|
|
|
if (!drives[i].label || lstrcmpW(drives[i].label, volumeNameBuffer))
|
|
set_drive_label( drives[i].letter, drives[i].label );
|
|
|
|
if (drives[i].serial != serialNumber)
|
|
set_drive_serial( drives[i].letter, drives[i].serial );
|
|
|
|
set_drive_type( drives[i].letter, drives[i].type );
|
|
}
|
|
}
|