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newlib-cygwin
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* security.h (setacl): Add parameter for writability flag. 

* sec_acl.cc (setacl): Ditto.  Set to true if any ACE with write
	permissions is created.
	* fhandler_disk_file.cc (fhandler_disk_file::facl): Reset
	FILE_ATTRIBUTE_READONLY if ACL contains an ACE with write permissions.
This commit is contained in:
Corinna Vinschen 2007-01-07 12:44:10 +00:00
parent 7ce031f211
commit 6bcc8fd7b1
4 changed files with 26 additions and 6 deletions
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8
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,11 @@
2007-01-07 Corinna Vinschen <corinna@vinschen.de>
* security.h (setacl): Add parameter for writability flag.
* sec_acl.cc (setacl): Ditto. Set to true if any ACE with write
permissions is created.
* fhandler_disk_file.cc (fhandler_disk_file::facl): Reset
FILE_ATTRIBUTE_READONLY if ACL contains an ACE with write permissions.
2007-01-05 Corinna Vinschen <corinna@vinschen.de>
* include/strings.h: Don't include string.h. Only declare functions

7
winsup/cygwin/fhandler_disk_file.cc
View File

@ -746,7 +746,12 @@ fhandler_disk_file::facl (int cmd, int nentries, __aclent32_t *aclbufp)
{
case SETACL:
if (!aclsort32 (nentries, 0, aclbufp))
res = setacl (get_io_handle (), pc, nentries, aclbufp);
{
bool rw = false;
res = setacl (get_io_handle (), pc, nentries, aclbufp, rw);
if (rw)
SetFileAttributes (pc, (DWORD) pc & ~FILE_ATTRIBUTE_READONLY);
}
break;
case GETACL:
if (!aclbufp)

13
winsup/cygwin/sec_acl.cc
View File

@ -1,6 +1,6 @@
/* sec_acl.cc: Sun compatible ACL functions.
Copyright 2000, 2001, 2002, 2003, 2004 Red Hat, Inc.
Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Red Hat, Inc.
Written by Corinna Vinschen <corinna@vinschen.de>
@ -44,7 +44,8 @@ searchace (__aclent32_t *aclp, int nentries, int type, __uid32_t id = ILLEGAL_UI
}
int
setacl (HANDLE handle, const char *file, int nentries, __aclent32_t *aclbufp)
setacl (HANDLE handle, const char *file, int nentries, __aclent32_t *aclbufp,
bool &writable)
{
security_descriptor sd_ret;
@ -108,6 +109,9 @@ setacl (HANDLE handle, const char *file, int nentries, __aclent32_t *aclbufp)
__seterrno ();
return -1;
}
writable = false;
for (int i = 0; i < nentries; ++i)
{
DWORD allow;
@ -119,7 +123,10 @@ setacl (HANDLE handle, const char *file, int nentries, __aclent32_t *aclbufp)
if (aclbufp[i].a_perm & S_IROTH)
allow |= FILE_GENERIC_READ;
if (aclbufp[i].a_perm & S_IWOTH)
allow |= STANDARD_RIGHTS_WRITE | FILE_GENERIC_WRITE;
{
allow |= STANDARD_RIGHTS_WRITE | FILE_GENERIC_WRITE;
writable = true;
}
if (aclbufp[i].a_perm & S_IXOTH)
allow |= FILE_GENERIC_EXECUTE;
if ((aclbufp[i].a_perm & (S_IWOTH | S_IXOTH)) == (S_IWOTH | S_IXOTH))

4
winsup/cygwin/security.h
View File

@ -1,6 +1,6 @@
/* security.h: security declarations
Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006 Red Hat, Inc.
Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Red Hat, Inc.
This file is part of Cygwin.
@ -360,7 +360,7 @@ struct __acl32;
extern "C" int aclsort32 (int, int, __acl32 *);
extern "C" int acl32 (const char *, int, int, __acl32 *);
int getacl (HANDLE, const char *, DWORD, int, __acl32 *);
int setacl (HANDLE, const char *, int, __acl32 *);
int setacl (HANDLE, const char *, int, __acl32 *, bool &);
struct _UNICODE_STRING;
void __stdcall str2buf2uni (_UNICODE_STRING &, WCHAR *, const char *) __attribute__ ((regparm (3)));