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

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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
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6
winsup/cygwin/sec_acl.cc
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@ -22,6 +22,7 @@ details. */
#include "dtable.h"
#include "cygheap.h"
#include "pwdgrp.h"
#include "tls_pbuf.h"
static int
searchace (__aclent32_t *aclp, int nentries, int type, __uid32_t id = ILLEGAL_UID)
@ -40,6 +41,7 @@ setacl (HANDLE handle, path_conv &pc, int nentries, __aclent32_t *aclbufp,
bool &writable)
{
security_descriptor sd_ret;
tmp_pathbuf tp;
if (get_file_sd (handle, pc, sd_ret, false))
return -1;
@ -83,7 +85,7 @@ setacl (HANDLE handle, path_conv &pc, int nentries, __aclent32_t *aclbufp,
}
/* Fill access control list. */
PACL acl = (PACL) alloca (ACL_DEFAULT_SIZE);
PACL acl = (PACL) tp.w_get ();
size_t acl_len = sizeof (ACL);
int ace_off = 0;
@ -92,7 +94,7 @@ setacl (HANDLE handle, path_conv &pc, int nentries, __aclent32_t *aclbufp,
struct __group32 *gr;
int pos;
if (!InitializeAcl (acl, ACL_DEFAULT_SIZE, ACL_REVISION))
if (!InitializeAcl (acl, ACL_MAXIMUM_SIZE, ACL_REVISION))
{
__seterrno ();
return -1;