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wine/files/directory.c

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/*
* DOS directories functions
*
* Copyright 1995 Alexandre Julliard
*/
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#ifdef HAVE_SYS_ERRNO_H
#include <sys/errno.h>
#endif
#include "winbase.h"
#include "wine/winbase16.h"
#include "wine/winestring.h"
#include "wine/winuser16.h"
#include "winerror.h"
#include "process.h"
#include "drive.h"
#include "file.h"
#include "heap.h"
#include "msdos.h"
#include "options.h"
#include "debugtools.h"
DECLARE_DEBUG_CHANNEL(dosfs)
DECLARE_DEBUG_CHANNEL(file)
static DOS_FULL_NAME DIR_Windows;
static DOS_FULL_NAME DIR_System;
/***********************************************************************
* DIR_GetPath
*
* Get a path name from the wine.ini file and make sure it is valid.
*/
static int DIR_GetPath( const char *keyname, const char *defval,
DOS_FULL_NAME *full_name )
{
char path[MAX_PATHNAME_LEN];
BY_HANDLE_FILE_INFORMATION info;
PROFILE_GetWineIniString( "wine", keyname, defval, path, sizeof(path) );
if (!DOSFS_GetFullName( path, TRUE, full_name ) ||
!FILE_Stat( full_name->long_name, &info ) ||
!(info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
{
MESSAGE("Invalid path '%s' for %s directory\n", path, keyname);
return 0;
}
return 1;
}
/***********************************************************************
* DIR_Init
*/
int DIR_Init(void)
{
char path[MAX_PATHNAME_LEN];
DOS_FULL_NAME tmp_dir;
int drive;
const char *cwd;
if (!getcwd( path, MAX_PATHNAME_LEN ))
{
perror( "Could not get current directory" );
return 0;
}
cwd = path;
if ((drive = DRIVE_FindDriveRoot( &cwd )) == -1)
{
MESSAGE("Warning: could not find wine.conf [Drive x] entry "
"for current working directory %s; "
"starting in windows directory.\n", cwd );
}
else
{
DRIVE_SetCurrentDrive( drive );
DRIVE_Chdir( drive, cwd );
}
if (!(DIR_GetPath( "windows", "c:\\windows", &DIR_Windows )) ||
!(DIR_GetPath( "system", "c:\\windows\\system", &DIR_System )) ||
!(DIR_GetPath( "temp", "c:\\windows", &tmp_dir )))
{
PROFILE_UsageWineIni();
return 0;
}
if (-1 == access( tmp_dir.long_name, W_OK ))
{
if (errno==EACCES)
{
MESSAGE("Warning: The Temporary Directory (as specified in your configuration file) is NOT writeable.\n");
PROFILE_UsageWineIni();
}
else
MESSAGE("Warning: Access to Temporary Directory failed (%s).\n",
strerror(errno));
}
if (drive == -1)
{
drive = DIR_Windows.drive;
DRIVE_SetCurrentDrive( drive );
DRIVE_Chdir( drive, DIR_Windows.short_name + 2 );
}
PROFILE_GetWineIniString("wine", "path", "c:\\windows;c:\\windows\\system",
path, sizeof(path) );
/* Set the environment variables */
SetEnvironmentVariableA( "PATH", path );
SetEnvironmentVariableA( "COMSPEC", "c:\\command.com" );
SetEnvironmentVariableA( "TEMP", tmp_dir.short_name );
SetEnvironmentVariableA( "windir", DIR_Windows.short_name );
SetEnvironmentVariableA( "winsysdir", DIR_System.short_name );
TRACE_(dosfs)("WindowsDir = %s (%s)\n",
DIR_Windows.short_name, DIR_Windows.long_name );
TRACE_(dosfs)("SystemDir = %s (%s)\n",
DIR_System.short_name, DIR_System.long_name );
TRACE_(dosfs)("TempDir = %s (%s)\n",
tmp_dir.short_name, tmp_dir.long_name );
TRACE_(dosfs)("Path = %s\n", path );
TRACE_(dosfs)("Cwd = %c:\\%s\n",
'A' + drive, DRIVE_GetDosCwd( drive ) );
return 1;
}
/***********************************************************************
* GetTempPath32A (KERNEL32.292)
*/
UINT WINAPI GetTempPathA( UINT count, LPSTR path )
{
UINT ret;
if (!(ret = GetEnvironmentVariableA( "TMP", path, count )))
if (!(ret = GetEnvironmentVariableA( "TEMP", path, count )))
if (!(ret = GetCurrentDirectoryA( count, path )))
return 0;
if (count && (ret < count - 1) && (path[ret-1] != '\\'))
{
path[ret++] = '\\';
path[ret] = '\0';
}
return ret;
}
/***********************************************************************
* GetTempPath32W (KERNEL32.293)
*/
UINT WINAPI GetTempPathW( UINT count, LPWSTR path )
{
static const WCHAR tmp[] = { 'T', 'M', 'P', 0 };
static const WCHAR temp[] = { 'T', 'E', 'M', 'P', 0 };
UINT ret;
if (!(ret = GetEnvironmentVariableW( tmp, path, count )))
if (!(ret = GetEnvironmentVariableW( temp, path, count )))
if (!(ret = GetCurrentDirectoryW( count, path )))
return 0;
if (count && (ret < count - 1) && (path[ret-1] != '\\'))
{
path[ret++] = '\\';
path[ret] = '\0';
}
return ret;
}
/***********************************************************************
* DIR_GetWindowsUnixDir
*/
UINT DIR_GetWindowsUnixDir( LPSTR path, UINT count )
{
if (path) lstrcpynA( path, DIR_Windows.long_name, count );
return strlen( DIR_Windows.long_name );
}
/***********************************************************************
* DIR_GetSystemUnixDir
*/
UINT DIR_GetSystemUnixDir( LPSTR path, UINT count )
{
if (path) lstrcpynA( path, DIR_System.long_name, count );
return strlen( DIR_System.long_name );
}
/***********************************************************************
* GetTempDrive (KERNEL.92)
*/
BYTE WINAPI GetTempDrive( BYTE ignored )
{
char *buffer;
BYTE ret;
UINT len = GetTempPathA( 0, NULL );
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len + 1 )) )
return DRIVE_GetCurrentDrive() + 'A';
/* FIXME: apparently Windows does something with the ignored byte */
if (!GetTempPathA( len, buffer )) buffer[0] = 'C';
ret = buffer[0];
HeapFree( GetProcessHeap(), 0, buffer );
return toupper(ret);
}
UINT WINAPI WIN16_GetTempDrive( BYTE ignored )
{
/* A closer look at krnl386.exe shows what the SDK doesn't mention:
*
* returns:
* AL: driveletter
* AH: ':' - yes, some kernel code even does stosw with
* the returned AX.
* DX: 1 for success
*/
return MAKELONG( GetTempDrive(ignored) | (':' << 8), 1 );
}
/***********************************************************************
* GetWindowsDirectory16 (KERNEL.134)
*/
UINT16 WINAPI GetWindowsDirectory16( LPSTR path, UINT16 count )
{
return (UINT16)GetWindowsDirectoryA( path, count );
}
/***********************************************************************
* GetWindowsDirectory32A (KERNEL32.311)
*/
UINT WINAPI GetWindowsDirectoryA( LPSTR path, UINT count )
{
if (path) lstrcpynA( path, DIR_Windows.short_name, count );
return strlen( DIR_Windows.short_name );
}
/***********************************************************************
* GetWindowsDirectory32W (KERNEL32.312)
*/
UINT WINAPI GetWindowsDirectoryW( LPWSTR path, UINT count )
{
if (path) lstrcpynAtoW( path, DIR_Windows.short_name, count );
return strlen( DIR_Windows.short_name );
}
/***********************************************************************
* GetSystemDirectory16 (KERNEL.135)
*/
UINT16 WINAPI GetSystemDirectory16( LPSTR path, UINT16 count )
{
return (UINT16)GetSystemDirectoryA( path, count );
}
/***********************************************************************
* GetSystemDirectory32A (KERNEL32.282)
*/
UINT WINAPI GetSystemDirectoryA( LPSTR path, UINT count )
{
if (path) lstrcpynA( path, DIR_System.short_name, count );
return strlen( DIR_System.short_name );
}
/***********************************************************************
* GetSystemDirectory32W (KERNEL32.283)
*/
UINT WINAPI GetSystemDirectoryW( LPWSTR path, UINT count )
{
if (path) lstrcpynAtoW( path, DIR_System.short_name, count );
return strlen( DIR_System.short_name );
}
/***********************************************************************
* CreateDirectory16 (KERNEL.144)
*/
BOOL16 WINAPI CreateDirectory16( LPCSTR path, LPVOID dummy )
{
TRACE_(file)("(%s,%p)\n", path, dummy );
return (BOOL16)CreateDirectoryA( path, NULL );
}
/***********************************************************************
* CreateDirectory32A (KERNEL32.39)
* RETURNS:
* TRUE : success
* FALSE : failure
* ERROR_DISK_FULL: on full disk
* ERROR_ALREADY_EXISTS: if directory name exists (even as file)
* ERROR_ACCESS_DENIED: on permission problems
* ERROR_FILENAME_EXCED_RANGE: too long filename(s)
*/
BOOL WINAPI CreateDirectoryA( LPCSTR path,
LPSECURITY_ATTRIBUTES lpsecattribs )
{
DOS_FULL_NAME full_name;
TRACE_(file)("(%s,%p)\n", path, lpsecattribs );
if (DOSFS_GetDevice( path ))
{
TRACE_(file)("cannot use device '%s'!\n",path);
SetLastError( ERROR_ACCESS_DENIED );
return FALSE;
}
if (!DOSFS_GetFullName( path, FALSE, &full_name )) return 0;
if (mkdir( full_name.long_name, 0777 ) == -1) {
WARN_(file)("Errno %i trying to create directory %s.\n", errno, full_name.long_name);
/* the FILE_SetDosError() generated error codes don't match the
* CreateDirectory ones for some errnos */
switch (errno) {
case EEXIST: SetLastError(ERROR_ALREADY_EXISTS); break;
case ENOSPC: SetLastError(ERROR_DISK_FULL); break;
default: FILE_SetDosError();break;
}
return FALSE;
}
return TRUE;
}
/***********************************************************************
* CreateDirectory32W (KERNEL32.42)
*/
BOOL WINAPI CreateDirectoryW( LPCWSTR path,
LPSECURITY_ATTRIBUTES lpsecattribs )
{
LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
BOOL ret = CreateDirectoryA( xpath, lpsecattribs );
HeapFree( GetProcessHeap(), 0, xpath );
return ret;
}
/***********************************************************************
* CreateDirectoryEx32A (KERNEL32.40)
*/
BOOL WINAPI CreateDirectoryExA( LPCSTR template, LPCSTR path,
LPSECURITY_ATTRIBUTES lpsecattribs)
{
return CreateDirectoryA(path,lpsecattribs);
}
/***********************************************************************
* CreateDirectoryEx32W (KERNEL32.41)
*/
BOOL WINAPI CreateDirectoryExW( LPCWSTR template, LPCWSTR path,
LPSECURITY_ATTRIBUTES lpsecattribs)
{
return CreateDirectoryW(path,lpsecattribs);
}
/***********************************************************************
* RemoveDirectory16 (KERNEL)
*/
BOOL16 WINAPI RemoveDirectory16( LPCSTR path )
{
return (BOOL16)RemoveDirectoryA( path );
}
/***********************************************************************
* RemoveDirectory32A (KERNEL32.437)
*/
BOOL WINAPI RemoveDirectoryA( LPCSTR path )
{
DOS_FULL_NAME full_name;
TRACE_(file)("'%s'\n", path );
if (DOSFS_GetDevice( path ))
{
TRACE_(file)("cannot remove device '%s'!\n", path);
SetLastError( ERROR_FILE_NOT_FOUND );
return FALSE;
}
if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
if (rmdir( full_name.long_name ) == -1)
{
FILE_SetDosError();
return FALSE;
}
return TRUE;
}
/***********************************************************************
* RemoveDirectory32W (KERNEL32.438)
*/
BOOL WINAPI RemoveDirectoryW( LPCWSTR path )
{
LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
BOOL ret = RemoveDirectoryA( xpath );
HeapFree( GetProcessHeap(), 0, xpath );
return ret;
}
/***********************************************************************
* DIR_TryPath
*
* Helper function for DIR_SearchPath.
*/
static BOOL DIR_TryPath( const DOS_FULL_NAME *dir, LPCSTR name,
DOS_FULL_NAME *full_name )
{
LPSTR p_l = full_name->long_name + strlen(dir->long_name) + 1;
LPSTR p_s = full_name->short_name + strlen(dir->short_name) + 1;
if ((p_s >= full_name->short_name + sizeof(full_name->short_name) - 14) ||
(p_l >= full_name->long_name + sizeof(full_name->long_name) - 1))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return FALSE;
}
if (!DOSFS_FindUnixName( dir->long_name, name, p_l,
sizeof(full_name->long_name) - (p_l - full_name->long_name),
p_s, DRIVE_GetFlags( dir->drive ) ))
return FALSE;
strcpy( full_name->long_name, dir->long_name );
p_l[-1] = '/';
strcpy( full_name->short_name, dir->short_name );
p_s[-1] = '\\';
return TRUE;
}
/***********************************************************************
* DIR_TryEnvironmentPath
*
* Helper function for DIR_SearchPath.
*/
static BOOL DIR_TryEnvironmentPath( LPCSTR name, DOS_FULL_NAME *full_name )
{
LPSTR path, next, buffer;
BOOL ret = FALSE;
INT len = strlen(name);
DWORD size = GetEnvironmentVariableA( "PATH", NULL, 0 );
if (!size) return FALSE;
if (!(path = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
if (!GetEnvironmentVariableA( "PATH", path, size )) goto done;
next = path;
while (!ret && next)
{
LPSTR cur = next;
while (*cur == ';') cur++;
if (!*cur) break;
next = strchr( cur, ';' );
if (next) *next++ = '\0';
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, strlen(cur) + len + 2)))
goto done;
strcpy( buffer, cur );
strcat( buffer, "\\" );
strcat( buffer, name );
ret = DOSFS_GetFullName( buffer, TRUE, full_name );
HeapFree( GetProcessHeap(), 0, buffer );
}
done:
HeapFree( GetProcessHeap(), 0, path );
return ret;
}
/***********************************************************************
* DIR_TryModulePath
*
* Helper function for DIR_SearchPath.
*/
static BOOL DIR_TryModulePath( LPCSTR name, DOS_FULL_NAME *full_name )
{
PDB *pdb = PROCESS_Current();
/* FIXME: for now, GetModuleFileName32A can't return more */
/* than OFS_MAXPATHNAME. This may change with Win32. */
char buffer[OFS_MAXPATHNAME];
LPSTR p;
if (pdb->flags & PDB32_WIN16_PROC) {
if (!GetCurrentTask()) return FALSE;
if (!GetModuleFileName16( GetCurrentTask(), buffer, sizeof(buffer) ))
buffer[0]='\0';
} else {
if (!GetModuleFileNameA( 0, buffer, sizeof(buffer) ))
buffer[0]='\0';
}
if (!(p = strrchr( buffer, '\\' ))) return FALSE;
if (sizeof(buffer) - (++p - buffer) <= strlen(name)) return FALSE;
strcpy( p, name );
return DOSFS_GetFullName( buffer, TRUE, full_name );
}
/***********************************************************************
* DIR_SearchPath
*
* Implementation of SearchPath32A. 'win32' specifies whether the search
* order is Win16 (module path last) or Win32 (module path first).
*
* FIXME: should return long path names.
*/
DWORD DIR_SearchPath( LPCSTR path, LPCSTR name, LPCSTR ext,
DOS_FULL_NAME *full_name, BOOL win32 )
{
DWORD len;
LPCSTR p;
LPSTR tmp = NULL;
BOOL ret = TRUE;
/* First check the supplied parameters */
p = strrchr( name, '.' );
if (p && !strchr( p, '/' ) && !strchr( p, '\\' ))
ext = NULL; /* Ignore the specified extension */
if ((*name && (name[1] == ':')) ||
strchr( name, '/' ) || strchr( name, '\\' ))
path = NULL; /* Ignore path if name already contains a path */
if (path && !*path) path = NULL; /* Ignore empty path */
len = strlen(name);
if (ext) len += strlen(ext);
if (path) len += strlen(path) + 1;
/* Allocate a buffer for the file name and extension */
if (path || ext)
{
if (!(tmp = HeapAlloc( GetProcessHeap(), 0, len + 1 )))
{
SetLastError( ERROR_OUTOFMEMORY );
return 0;
}
if (path)
{
strcpy( tmp, path );
strcat( tmp, "\\" );
strcat( tmp, name );
}
else strcpy( tmp, name );
if (ext) strcat( tmp, ext );
name = tmp;
}
/* If we have an explicit path, everything's easy */
if (path || (*name && (name[1] == ':')) ||
strchr( name, '/' ) || strchr( name, '\\' ))
{
ret = DOSFS_GetFullName( name, TRUE, full_name );
goto done;
}
/* Try the path of the current executable (for Win32 search order) */
if (win32 && DIR_TryModulePath( name, full_name )) goto done;
/* Try the current directory */
if (DOSFS_GetFullName( name, TRUE, full_name )) goto done;
/* Try the Windows system directory */
if (DIR_TryPath( &DIR_System, name, full_name ))
goto done;
/* Try the Windows directory */
if (DIR_TryPath( &DIR_Windows, name, full_name ))
goto done;
/* Try the path of the current executable (for Win16 search order) */
if (!win32 && DIR_TryModulePath( name, full_name )) goto done;
/* Try all directories in path */
ret = DIR_TryEnvironmentPath( name, full_name );
done:
if (tmp) HeapFree( GetProcessHeap(), 0, tmp );
return ret;
}
/***********************************************************************
* SearchPath32A [KERNEL32.447]
*
* Searches for a specified file in the search path.
*
* PARAMS
* path [I] Path to search
* name [I] Filename to search for.
* ext [I] File extension to append to file name. The first
* character must be a period. This parameter is
* specified only if the filename given does not
* contain an extension.
* buflen [I] size of buffer, in characters
* buffer [O] buffer for found filename
* lastpart [O] address of pointer to last used character in
* buffer (the final '\')
*
* RETURNS
* Success: length of string copied into buffer, not including
* terminating null character. If the filename found is
* longer than the length of the buffer, the length of the
* filename is returned.
* Failure: Zero
*
* NOTES
* Should call SetLastError(but currently doesn't).
*/
DWORD WINAPI SearchPathA( LPCSTR path, LPCSTR name, LPCSTR ext, DWORD buflen,
LPSTR buffer, LPSTR *lastpart )
{
LPSTR p, res;
DOS_FULL_NAME full_name;
if (!DIR_SearchPath( path, name, ext, &full_name, TRUE )) return 0;
lstrcpynA( buffer, full_name.short_name, buflen );
res = full_name.long_name +
strlen(DRIVE_GetRoot( full_name.short_name[0] - 'A' ));
while (*res == '/') res++;
if (buflen)
{
if (buflen > 3) lstrcpynA( buffer + 3, res, buflen - 3 );
for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
if (lastpart) *lastpart = strrchr( buffer, '\\' ) + 1;
}
TRACE_(dosfs)("Returning %d\n", strlen(res) + 3 );
return strlen(res) + 3;
}
/***********************************************************************
* SearchPath32W (KERNEL32.448)
*/
DWORD WINAPI SearchPathW( LPCWSTR path, LPCWSTR name, LPCWSTR ext,
DWORD buflen, LPWSTR buffer, LPWSTR *lastpart )
{
LPWSTR p;
LPSTR res;
DOS_FULL_NAME full_name;
LPSTR pathA = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
LPSTR extA = HEAP_strdupWtoA( GetProcessHeap(), 0, ext );
DWORD ret = DIR_SearchPath( pathA, nameA, extA, &full_name, TRUE );
HeapFree( GetProcessHeap(), 0, extA );
HeapFree( GetProcessHeap(), 0, nameA );
HeapFree( GetProcessHeap(), 0, pathA );
if (!ret) return 0;
lstrcpynAtoW( buffer, full_name.short_name, buflen );
res = full_name.long_name +
strlen(DRIVE_GetRoot( full_name.short_name[0] - 'A' ));
while (*res == '/') res++;
if (buflen)
{
if (buflen > 3) lstrcpynAtoW( buffer + 3, res, buflen - 3 );
for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
if (lastpart)
{
for (p = *lastpart = buffer; *p; p++)
if (*p == '\\') *lastpart = p + 1;
}
}
return strlen(res) + 3;
}
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