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advapi32: Move the DACL combining code into a separate routine. 

Signed-off-by: Vijay Kiran Kamuju <infyquest@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Erich E. Hoover 2019-04-25 11:36:14 +02:00 committed by Alexandre Julliard
parent 48821e2b16
commit 9aac7ca191
1 changed files with 45 additions and 34 deletions
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79
dlls/advapi32/security.c
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@ -5964,6 +5964,48 @@ BOOL WINAPI FileEncryptionStatusA(LPCSTR lpFileName, LPDWORD lpStatus)
return TRUE; return TRUE;
} }
static NTSTATUS combine_dacls(ACL *parent, ACL *child, ACL **result)
{
ACL *combined;
int i;
/* initialize a combined DACL containing both inherited and new ACEs */
combined = heap_alloc_zero(child->AclSize+parent->AclSize);
if (!combined)
return STATUS_NO_MEMORY;
memcpy(combined, child, child->AclSize);
combined->AclSize = child->AclSize+parent->AclSize;
/* copy the inherited ACEs */
for (i=0; i<parent->AceCount; i++)
{
ACE_HEADER *ace;
if (!GetAce(parent, i, (void*)&ace))
continue;
if (!(ace->AceFlags & (OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE)))
continue;
if ((ace->AceFlags & (OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE)) !=
(OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE))
{
FIXME("unsupported flags: %x\n", ace->AceFlags);
continue;
}
if (ace->AceFlags & NO_PROPAGATE_INHERIT_ACE)
ace->AceFlags &= ~(OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE|NO_PROPAGATE_INHERIT_ACE);
ace->AceFlags &= ~INHERIT_ONLY_ACE;
ace->AceFlags |= INHERITED_ACE;
if (!AddAce(combined, ACL_REVISION, MAXDWORD, ace, ace->AceSize))
WARN("error adding inherited ACE\n");
}
*result = combined;
return STATUS_SUCCESS;
}
/****************************************************************************** /******************************************************************************
* SetSecurityInfo [ADVAPI32.@] * SetSecurityInfo [ADVAPI32.@]
*/ */
@ -6063,41 +6105,10 @@ DWORD WINAPI SetSecurityInfo(HANDLE handle, SE_OBJECT_TYPE ObjectType,
if (!err) if (!err)
{ {
int i; status = combine_dacls(parent_dacl, pDacl, &dacl);
dacl = heap_alloc_zero(pDacl->AclSize+parent_dacl->AclSize);
if (!dacl)
{
LocalFree(parent_sd);
return ERROR_NOT_ENOUGH_MEMORY;
}
memcpy(dacl, pDacl, pDacl->AclSize);
dacl->AclSize = pDacl->AclSize+parent_dacl->AclSize;
for (i=0; i<parent_dacl->AceCount; i++)
{
ACE_HEADER *ace;
if (!GetAce(parent_dacl, i, (void*)&ace))
continue;
if (!(ace->AceFlags & (OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE)))
continue;
if ((ace->AceFlags & (OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE)) !=
(OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE))
{
FIXME("unsupported flags: %x\n", ace->AceFlags);
continue;
}
if (ace->AceFlags & NO_PROPAGATE_INHERIT_ACE)
ace->AceFlags &= ~(OBJECT_INHERIT_ACE|CONTAINER_INHERIT_ACE|NO_PROPAGATE_INHERIT_ACE);
ace->AceFlags &= ~INHERIT_ONLY_ACE;
ace->AceFlags |= INHERITED_ACE;
if(!AddAce(dacl, ACL_REVISION, MAXDWORD, ace, ace->AceSize))
WARN("error adding inherited ACE\n");
}
LocalFree(parent_sd); LocalFree(parent_sd);
if (status != STATUS_SUCCESS)
return RtlNtStatusToDosError(status);
} }
} }
else else