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* path.cc (path_conv::check): Don't follow reparse point symlinks if

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PC_SYM_NOFOLLOW_REP flag is set.
	(cygwin_conv_path): Set PC_SYM_NOFOLLOW_REP flag when converting from
	POSIX to Win32.
	* path.h (enum pathconv_arg): Define PC_SYM_NOFOLLOW_REP flag.
This commit is contained in:
Corinna Vinschen 2011-01-17 14:19:39 +00:00
parent 483e9d0022
commit be37165114
3 changed files with 19 additions and 8 deletions
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8
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,11 @@
2011-01-17 Corinna Vinschen <corinna@vinschen.de>
* path.cc (path_conv::check): Don't follow reparse point symlinks if
PC_SYM_NOFOLLOW_REP flag is set.
(cygwin_conv_path): Set PC_SYM_NOFOLLOW_REP flag when converting from
POSIX to Win32.
* path.h (enum pathconv_arg): Define PC_SYM_NOFOLLOW_REP flag.
2011-01-17 Corinna Vinschen <corinna@vinschen.de>
* fhandler_proc.cc (proc_tab_cmp): Fix typo in comment.

16
winsup/cygwin/path.cc
View File

@ -1,7 +1,7 @@
/* path.cc: path support.
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
2006, 2007, 2008, 2009, 2010 Red Hat, Inc.
2006, 2007, 2008, 2009, 2010, 2011 Red Hat, Inc.
This file is part of Cygwin.
@ -920,7 +920,9 @@ is_virtual_symlink:
else if (symlen > 0)
{
saw_symlinks = 1;
if (component == 0 && !need_directory && !(opt & PC_SYM_FOLLOW))
if (component == 0 && !need_directory
&& (!(opt & PC_SYM_FOLLOW)
|| (is_rep_symlink () && (opt & PC_SYM_NOFOLLOW_REP))))
{
set_symlink (symlen); // last component of path is a symlink.
if (opt & PC_SYM_CONTENTS)
@ -2917,8 +2919,8 @@ cygwin_conv_path (cygwin_conv_path_t what, const void *from, void *to,
case CCP_POSIX_TO_WIN_A:
{
p.check ((const char *) from,
PC_POSIX | PC_SYM_FOLLOW | PC_NO_ACCESS_CHECK | PC_NOWARN
| (relative ? PC_NOFULL : 0));
PC_POSIX | PC_SYM_FOLLOW | PC_SYM_NOFOLLOW_REP
| PC_NO_ACCESS_CHECK | PC_NOWARN | (relative ? PC_NOFULL : 0));
if (p.error)
return_with_errno (p.error);
PUNICODE_STRING up = p.get_nt_native_path ();
@ -2953,9 +2955,9 @@ cygwin_conv_path (cygwin_conv_path_t what, const void *from, void *to,
}
break;
case CCP_POSIX_TO_WIN_W:
p.check ((const char *) from, PC_POSIX | PC_SYM_FOLLOW
| PC_NO_ACCESS_CHECK | PC_NOWARN
| (relative ? PC_NOFULL : 0));
p.check ((const char *) from,
PC_POSIX | PC_SYM_FOLLOW | PC_SYM_NOFOLLOW_REP
| PC_NO_ACCESS_CHECK | PC_NOWARN | (relative ? PC_NOFULL : 0));
if (p.error)
return_with_errno (p.error);
/* Relative Windows paths are always restricted to MAX_PATH chars. */

3
winsup/cygwin/path.h
View File

@ -1,7 +1,7 @@
/* path.h: path data structures
Copyright 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005,
2006, 2007, 2008, 2009, 2010 Red Hat, Inc.
2006, 2007, 2008, 2009, 2010, 2011 Red Hat, Inc.
This file is part of Cygwin.
@ -54,6 +54,7 @@ enum pathconv_arg
{
PC_SYM_FOLLOW = 0x0001,
PC_SYM_NOFOLLOW = 0x0002,
PC_SYM_NOFOLLOW_REP = 0x0004,
PC_SYM_CONTENTS = 0x0008,
PC_NOFULL = 0x0010,
PC_NULLEMPTY = 0x0020,