| /* |
| * 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 ); |
| } |
| } |
