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Added auto-detection of DOS drive devices based on finding the 

corresponding mount point in /etc/mtab or /etc/fstab.
This commit is contained in:
Alexandre Julliard 2004-04-29 20:04:48 +00:00
parent c749433e26
commit ffcc67abf1
6 changed files with 122 additions and 52 deletions
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2
configure vendored
View File

@ -16280,6 +16280,7 @@ done
for ac_header in \
@ -16307,6 +16308,7 @@ for ac_header in \
linux/serial.h \
linux/ucdrom.h \
machine/cpu.h \
mntent.h \
netdb.h \
netinet/in.h \
netinet/in_systm.h \

1
configure.ac
View File

@ -1100,6 +1100,7 @@ AC_CHECK_HEADERS(\
linux/serial.h \
linux/ucdrom.h \
machine/cpu.h \
mntent.h \
netdb.h \
netinet/in.h \
netinet/in_systm.h \

24
dlls/ntdll/cdrom.c
View File

@ -382,11 +382,7 @@ static int CDROM_GetInterfaceInfo(int fd, int* port, int* iface, int* device,int
{
#if defined(linux)
struct stat st;
if ( fstat(fd, &st) == -1 || ! S_ISBLK(st.st_mode))
{
FIXME("cdrom not a block device!!!\n");
return 0;
}
if ( fstat(fd, &st) == -1 || ! S_ISBLK(st.st_mode)) return 0;
*port = 0;
*iface = 0;
*device = 0;
@ -501,23 +497,7 @@ static NTSTATUS CDROM_Open(int fd, int* dev)
static NTSTATUS CDROM_GetStatusCode(int io)
{
if (io == 0) return STATUS_SUCCESS;
switch (errno)
{
case EIO:
#ifdef ENOMEDIUM
case ENOMEDIUM:
#endif
return STATUS_NO_MEDIA_IN_DEVICE;
case EPERM:
return STATUS_ACCESS_DENIED;
case EINVAL:
return STATUS_INVALID_PARAMETER;
/* case EBADF: Bad file descriptor */
case EOPNOTSUPP:
return STATUS_NOT_SUPPORTED;
}
FIXME("Unmapped error code %d: %s\n", errno, strerror(errno));
return STATUS_IO_DEVICE_ERROR;
return FILE_GetNtStatus();
}
/******************************************************************

137
dlls/ntdll/directory.c
View File

@ -27,9 +27,13 @@
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#ifdef HAVE_MNTENT_H
#include <mntent.h>
#endif
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/stat.h>
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
@ -101,14 +105,14 @@ static int show_dot_files;
/* at some point we may want to allow Winelib apps to set this */
static const int is_case_sensitive = FALSE;
static CRITICAL_SECTION chdir_section;
static CRITICAL_SECTION dir_section;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &chdir_section,
0, 0, &dir_section,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { 0, (DWORD)(__FILE__ ": chdir_section") }
0, 0, { 0, (DWORD)(__FILE__ ": dir_section") }
};
static CRITICAL_SECTION chdir_section = { &critsect_debug, -1, 0, 0, 0, 0 };
static CRITICAL_SECTION dir_section = { &critsect_debug, -1, 0, 0, 0, 0 };
/***********************************************************************
@ -188,6 +192,90 @@ static char *get_default_lpt_device( int num )
}
/***********************************************************************
* parse_mount_entries
*
* Parse mount entries looking for a given device. Helper for get_default_drive_device.
*/
#ifdef linux
static char *parse_mount_entries( FILE *f, dev_t dev, ino_t ino )
{
struct mntent *entry;
struct stat st;
char *device;
while ((entry = getmntent( f )))
{
if (stat( entry->mnt_dir, &st ) == -1) continue;
if (st.st_dev != dev || st.st_ino != ino) continue;
if (!strcmp( entry->mnt_type, "supermount" ))
{
if ((device = strstr( entry->mnt_opts, "dev=" )))
{
char *p = strchr( device + 4, ',' );
if (p) *p = 0;
return device + 4;
}
}
else
return entry->mnt_fsname;
}
return NULL;
}
#endif
/***********************************************************************
* get_default_drive_device
*
* Return the default device to use for a given drive mount point.
*/
static char *get_default_drive_device( const char *root )
{
char *ret = NULL;
#ifdef linux
FILE *f;
char *device = NULL;
int fd, res = -1;
struct stat st;
/* try to open it first to force it to get mounted */
if ((fd = open( root, O_RDONLY | O_DIRECTORY )) != -1)
{
res = fstat( fd, &st );
close( fd );
}
/* now try normal stat just in case */
if (res == -1) res = stat( root, &st );
if (res == -1) return NULL;
RtlEnterCriticalSection( &dir_section );
if ((f = fopen( "/etc/mtab", "r" )))
{
device = parse_mount_entries( f, st.st_dev, st.st_ino );
endmntent( f );
}
/* look through fstab too in case it's not mounted (for instance if it's an audio CD) */
if (!device && (f = fopen( "/etc/fstab", "r" )))
{
device = parse_mount_entries( f, st.st_dev, st.st_ino );
endmntent( f );
}
if (device)
{
ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(device) + 1 );
if (ret) strcpy( ret, device );
}
RtlLeaveCriticalSection( &dir_section );
#else
static int warned;
if (!warned++) FIXME( "auto detection of DOS devices not supported on this platform\n" );
#endif
return ret;
}
/***********************************************************************
* init_options
*
@ -548,7 +636,7 @@ NTSTATUS WINAPI NtQueryDirectoryFile( HANDLE handle, HANDLE event,
io->Information = 0;
RtlEnterCriticalSection( &chdir_section );
RtlEnterCriticalSection( &dir_section );
if (show_dir_symlinks == -1) init_options();
@ -681,7 +769,7 @@ NTSTATUS WINAPI NtQueryDirectoryFile( HANDLE handle, HANDLE event,
}
else io->u.Status = FILE_GetNtStatus();
RtlLeaveCriticalSection( &chdir_section );
RtlLeaveCriticalSection( &dir_section );
wine_server_release_fd( handle, fd );
if (cwd != -1) close( cwd );
@ -833,7 +921,7 @@ static NTSTATUS get_dos_device( const WCHAR *name, UINT name_len, ANSI_STRING *u
{
const char *config_dir = wine_get_config_dir();
struct stat st;
char *unix_name, *dev;
char *unix_name, *new_name, *dev;
int i, unix_len;
/* make sure the device name is ASCII */
@ -888,31 +976,22 @@ static NTSTATUS get_dos_device( const WCHAR *name, UINT name_len, ANSI_STRING *u
dev = NULL; /* last try */
continue;
}
if (!strncmp( dev, "com", 3 ))
{
char *name = get_default_com_device( dev[3] - '0' );
if (name)
new_name = NULL;
if (dev[1] == ':' && dev[2] == ':') /* drive device */
{
dev[2] = 0; /* remove last ':' to get the drive mount point symlink */
new_name = get_default_drive_device( unix_name );
}
else if (!strncmp( dev, "com", 3 )) new_name = get_default_com_device( dev[3] - '0' );
else if (!strncmp( dev, "lpt", 3 )) new_name = get_default_lpt_device( dev[3] - '0' );
if (!new_name) break;
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
unix_name = name;
unix_len = strlen(name) + 1;
unix_name = new_name;
unix_len = strlen(unix_name) + 1;
dev = NULL; /* last try */
continue;
}
}
if (!strncmp( dev, "lpt", 3 ))
{
char *name = get_default_lpt_device( dev[3] - '0' );
if (name)
{
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
unix_name = name;
unix_len = strlen(name) + 1;
dev = NULL; /* last try */
continue;
}
}
break;
}
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
return STATUS_OBJECT_NAME_NOT_FOUND;

5
dlls/ntdll/file.c
View File

@ -284,6 +284,11 @@ NTSTATUS FILE_GetNtStatus(void)
case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
case EPIPE: return STATUS_PIPE_BROKEN;
case EIO: return STATUS_DEVICE_NOT_READY;
#ifdef ENOMEDIUM
case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
#endif
case ENOTTY:
case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
case ENOEXEC: /* ?? */
case ESPIPE: /* ?? */
case EEXIST: /* ?? */

3
include/config.h.in
View File

@ -362,6 +362,9 @@
/* Define to 1 if you have the `mmap' function. */
#undef HAVE_MMAP
/* Define to 1 if you have the <mntent.h> header file. */
#undef HAVE_MNTENT_H
/* Define to 1 if the system has the type `mode_t'. */
#undef HAVE_MODE_T