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* fhandler_disk_file.cc (fhandler_disk_file::readdir_helper): Disable

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munging.  Convert all chars in the 0xf0xx area to it's ascii equivalent.
	* path.cc (normalize_posix_path): Don't treat "X:foo" as windows path,
	only "a:\foo".
	(tfx_chars): New transformation table for special DOS chars.
	(tfx_chars_managed): Ditto, plus transformation of uppercase ASCII
	chars.
	(transform_chars): New function.
	(get_nt_native_path): Make static.  Call transform_chars for all valid
	FS paths.  Get additional flag if file is managed or not.  Accommodate
	throughout.
	(getfileattr): Get additional flag if file is managed or not.
	Accommodate throughout.
	(path_conv::check): Disable special handling for trailing dots and
	spaces.
	(mount_item::build_win32): Disable code for managed paths.
	(mount_info::conv_to_posix_path): Ditto.
	* path.h (get_nt_native_path): Remove declaration.
This commit is contained in:
Corinna Vinschen
2008-03-12 16:07:04 +00:00
parent 31812fc0bc
commit b0717aae02
4 changed files with 101 additions and 16 deletions
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21
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,24 @@
2008-03-12 Corinna Vinschen <corinna@vinschen.de>
* fhandler_disk_file.cc (fhandler_disk_file::readdir_helper): Disable
munging. Convert all chars in the 0xf0xx area to it's ascii equivalent.
* path.cc (normalize_posix_path): Don't treat "X:foo" as windows path,
only "a:\foo".
(tfx_chars): New transformation table for special DOS chars.
(tfx_chars_managed): Ditto, plus transformation of uppercase ASCII
chars.
(transform_chars): New function.
(get_nt_native_path): Make static. Call transform_chars for all valid
FS paths. Get additional flag if file is managed or not. Accommodate
throughout.
(getfileattr): Get additional flag if file is managed or not.
Accommodate throughout.
(path_conv::check): Disable special handling for trailing dots and
spaces.
(mount_item::build_win32): Disable code for managed paths.
(mount_info::conv_to_posix_path): Ditto.
* path.h (get_nt_native_path): Remove declaration.
2008-03-12 Corinna Vinschen <corinna@vinschen.de>
* fhandler_disk_file.cc (fhandler_disk_file::readdir_helper): Don't

6
winsup/cygwin/fhandler_disk_file.cc
View File

@ -1785,6 +1785,11 @@ fhandler_disk_file::readdir_helper (DIR *dir, dirent *de, DWORD w32_err,
}
}
/* Transform special DOS chars back to normal. */
for (USHORT i = 0; i < fname->Length / sizeof (WCHAR); ++i)
if ((fname->Buffer[i] & 0xff00) == 0xf000)
fname->Buffer[i] &= 0xff;
#if 0
if (pc.isencoded ())
{
char tmp[NAME_MAX + 1];
@ -1793,6 +1798,7 @@ fhandler_disk_file::readdir_helper (DIR *dir, dirent *de, DWORD w32_err,
fnunmunge (de->d_name, tmp);
}
else
#endif
sys_wcstombs (de->d_name, NAME_MAX + 1, fname->Buffer,
fname->Length / sizeof (WCHAR));

88
winsup/cygwin/path.cc
View File

@ -253,7 +253,7 @@ normalize_posix_path (const char *src, char *dst, char *&tail)
char *dst_start = dst;
syscall_printf ("src %s", src);
if (isdrive (src) || *src == '\\')
if ((isdrive (src) && src[2] == '\\') || *src == '\\')
goto win32_path;
tail = dst;
@ -580,8 +580,61 @@ path_conv::set_normalized_path (const char *path_copy, bool strip_tail)
memcpy (normalized_path, path_copy, n);
}
PUNICODE_STRING
get_nt_native_path (const char *path, UNICODE_STRING& upath)
WCHAR tfx_chars[] NO_COPY = {
0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31,
32, '!', 0xf000 | '"', '#', '$', '%', '&', 39,
'(', ')', 0xf000 | '*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 0xf000 | ':', ';', 0xf000 | '<', '=', 0xf000 | '>', 0xf000 | '?',
'@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
'`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
'x', 'y', 'z', '{', 0xf000 | '|', '}', '~', 127
};
WCHAR tfx_chars_managed[] NO_COPY = {
0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31,
32, '!', 0xf000 | '"', '#', '$', '%', '&', 39,
'(', ')', 0xf000 | '*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 0xf000 | ':', ';', 0xf000 | '<', '=', 0xf000 | '>', 0xf000 | '?',
'@', 0xf000 | 'A', 0xf000 | 'B', 0xf000 | 'C', 0xf000 | 'D', 0xf000 | 'E', 0xf000 | 'F', 0xf000 | 'G',
0xf000 | 'H', 0xf000 | 'I', 0xf000 | 'J', 0xf000 | 'K', 0xf000 | 'L', 0xf000 | 'M', 0xf000 | 'N', 0xf000 | 'O',
0xf000 | 'P', 0xf000 | 'Q', 0xf000 | 'R', 0xf000 | 'S', 0xf000 | 'T', 0xf000 | 'U', 0xf000 | 'V', 0xf000 | 'W',
0xf000 | 'X', 0xf000 | 'Y', 0xf000 | 'Z', '[', '\\', ']', '^', '_',
'`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
'x', 'y', 'z', '{', 0xf000 | '|', '}', '~', 127
};
static void
transform_chars (PUNICODE_STRING upath, USHORT start_idx, bool managed)
{
register PWCHAR buf = upath->Buffer;
register PWCHAR end = buf + upath->Length / sizeof (WCHAR) - 1;
register PWCHAR tfx = managed ? tfx_chars_managed : tfx_chars;
for (buf += start_idx; buf <= end; ++buf)
if (*buf < 128)
*buf = tfx[*buf];
/* Win32 can't handle trailing dots and spaces. Transform the last of them
to the private use area, too, to create a valid Win32 filename. */
if (*end == L'.' || *end == L' ')
*end |= 0xf000;
}
static PUNICODE_STRING
get_nt_native_path (const char *path, UNICODE_STRING& upath, bool managed)
{
upath.Length = 0;
if (path[0] == '/') /* special path w/o NT path representation. */
@ -590,6 +643,7 @@ get_nt_native_path (const char *path, UNICODE_STRING& upath)
{
str2uni_cat (upath, "\\??\\");
str2uni_cat (upath, path);
transform_chars (&upath, 7, managed);
}
else if (path[1] != '\\') /* \Device\... */
str2uni_cat (upath, path);
@ -598,6 +652,7 @@ get_nt_native_path (const char *path, UNICODE_STRING& upath)
{
str2uni_cat (upath, "\\??\\UNC\\");
str2uni_cat (upath, path + 2);
transform_chars (&upath, 8, managed);
}
else /* \\.\device or \\?\foo */
{
@ -616,7 +671,7 @@ path_conv::get_nt_native_path ()
uni_path.MaximumLength = (strlen (path) + 10) * sizeof (WCHAR);
wide_path = (PWCHAR) cmalloc_abort (HEAP_STR, uni_path.MaximumLength);
uni_path.Buffer = wide_path;
::get_nt_native_path (path, uni_path);
::get_nt_native_path (path, uni_path, isencoded ());
}
return &uni_path;
}
@ -666,7 +721,7 @@ warn_msdos (const char *src)
}
static DWORD
getfileattr (const char *path) /* path has to be always absolute. */
getfileattr (const char *path, bool managed) /* path has to be always absolute. */
{
tmp_pathbuf tp;
UNICODE_STRING upath;
@ -677,7 +732,7 @@ getfileattr (const char *path) /* path has to be always absolute. */
tp.u_get (&upath);
InitializeObjectAttributes (&attr, &upath, OBJ_CASE_INSENSITIVE, NULL, NULL);
get_nt_native_path (path, upath);
get_nt_native_path (path, upath, managed);
status = NtQueryAttributesFile (&attr, &fbi);
if (NT_SUCCESS (status))
@ -872,7 +927,7 @@ path_conv::check (const char *src, unsigned opt,
fileattr = FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_READONLY;
else
{
fileattr = getfileattr (this->path);
fileattr = getfileattr (this->path, sym.pflags & MOUNT_ENC);
dev.devn = FH_FS;
}
goto out;
@ -881,7 +936,7 @@ path_conv::check (const char *src, unsigned opt,
{
dev.devn = FH_FS;
#if 0
fileattr = getfileattr (this->path);
fileattr = getfileattr (this->path, sym.pflags & MOUNT_ENC);
if (!component && fileattr == INVALID_FILE_ATTRIBUTES)
{
fileattr = FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_READONLY;
@ -1170,6 +1225,7 @@ out:
{
if (strncmp (path, "\\\\.\\", 4))
{
#if 0
/* Windows ignores trailing dots and spaces in the last path
component, and ignores exactly one trailing dot in inner
path components. */
@ -1190,7 +1246,7 @@ out:
tail = NULL;
}
}
#endif
if (!tail || tail == path)
/* nothing */;
else if (tail[-1] != '\\')
@ -1776,12 +1832,13 @@ mount_item::build_win32 (char *dst, const char *src, unsigned *outflags, unsigne
/* nothing */;
else if ((!(flags & MOUNT_ENC) && isdrive (dst) && !dst[2]) || *p)
dst[n++] = '\\';
if (!*p || !(flags & MOUNT_ENC))
{
//if (!*p || !(flags & MOUNT_ENC))
//{
if ((n + strlen (p)) >= NT_MAX_PATH)
err = ENAMETOOLONG;
else
backslashify (p, dst + n, 0);
#if 0
}
else
{
@ -1803,6 +1860,7 @@ mount_item::build_win32 (char *dst, const char *src, unsigned *outflags, unsigne
p = s;
}
}
#endif
return err;
}
@ -2135,7 +2193,6 @@ mount_info::conv_to_posix_path (const char *src_path, char *posix_path,
}
int pathbuflen = tail - pathbuf;
char *tmpbuf = tp.c_get ();
for (int i = 0; i < nmounts; ++i)
{
mount_item &mi = mount[native_sorted[i]];
@ -2172,11 +2229,14 @@ mount_info::conv_to_posix_path (const char *src_path, char *posix_path,
const char *p = cygheap->root.unchroot (posix_path);
memmove (posix_path, p, strlen (p) + 1);
}
#if 0
if (mi.flags & MOUNT_ENC)
{
char *tmpbuf = tp.c_get ();
if (fnunmunge (tmpbuf, posix_path))
strcpy (posix_path, tmpbuf);
}
#endif
goto out;
}
@ -2774,7 +2834,7 @@ fillout_mntent (const char *native_path, const char *posix_path, unsigned flags)
tmp_pathbuf tp;
UNICODE_STRING unat;
tp.u_get (&unat);
get_nt_native_path (native_path, unat);
get_nt_native_path (native_path, unat, flags & MOUNT_ENC);
if (append_bs)
RtlAppendUnicodeToString (&unat, L"\\");
mntinfo.update (&unat, true); /* this pulls from a cache, usually. */
@ -3740,7 +3800,7 @@ symlink_info::check (char *path, const suffix_info *suffixes, unsigned opt)
IO_STATUS_BLOCK io;
error = 0;
get_nt_native_path (suffix.path, upath);
get_nt_native_path (suffix.path, upath, pflags & MOUNT_ENC);
status = NtQueryAttributesFile (&attr, &fbi);
if (NT_SUCCESS (status))
fileattr = fbi.FileAttributes;

2
winsup/cygwin/path.h
View File

@ -21,8 +21,6 @@ details. */
#define isvirtual_dev(devn) \
(isproc_dev (devn) || devn == FH_CYGDRIVE || devn == FH_NETDRIVE)
extern PUNICODE_STRING get_nt_native_path (const char *, UNICODE_STRING &);
inline bool
has_attribute (DWORD attributes, DWORD attribs_to_test)
{