JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

* flock.cc (allow_others_to_sync): Define MAX_PROCESS_SD_SIZE. Use

Browse Source 
instead of ACL_DEFAULT_SIZE.
	* sec_acl.cc (setacl): Use TLS buffer to allow maximum ACL size.
	* security.h (ACL_DEFAULT_SIZE): Drop definition.
	(ACL_MAXIMUM_SIZE): Define.
	(SD_MAXIMUM_SIZE): Define.
	* security.cc (get_file_sd): Allocate security_decscriptor with size
	SD_MAXIMUM_SIZE.
	(alloc_sd): Use TLS buffer to allow maximum ACL size.
This commit is contained in:
Corinna Vinschen
2010-09-10 14:53:44 +00:00
parent f65c5a0a2b
commit 4e8f539f15
5 changed files with 26 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
winsup/cygwin/security.cc
View File

@ -24,6 +24,7 @@ details. */
#include "cygheap.h"
#include "ntdll.h"
#include "pwdgrp.h"
#include "tls_pbuf.h"
#include <aclapi.h>
#define ALL_SECURITY_INFORMATION (DACL_SECURITY_INFORMATION \
@ -68,7 +69,7 @@ get_file_sd (HANDLE fh, path_conv &pc, security_descriptor &sd,
else
{
NTSTATUS status;
ULONG len = 32768;
ULONG len = SD_MAXIMUM_SIZE;
if (!sd.malloc (len))
{
@ -413,6 +414,7 @@ alloc_sd (path_conv &pc, __uid32_t uid, __gid32_t gid, int attribute,
security_descriptor &sd_ret)
{
BOOL dummy;
tmp_pathbuf tp;
/* NOTE: If the high bit of attribute is set, we have just created
a file or directory. See below for an explanation. */
@ -483,8 +485,8 @@ alloc_sd (path_conv &pc, __uid32_t uid, __gid32_t gid, int attribute,
}
/* Initialize local access control list. */
PACL acl = (PACL) alloca (ACL_DEFAULT_SIZE);
if (!InitializeAcl (acl, ACL_DEFAULT_SIZE, ACL_REVISION))
PACL acl = (PACL) tp.w_get ();
if (!InitializeAcl (acl, ACL_MAXIMUM_SIZE, ACL_REVISION))
{
__seterrno ();
return NULL;