Public/winfsp
1
0
Fork 0
mirror of https://github.com/winfsp/winfsp.git synced 2025-07-03 09:22:57 -05:00
Code Issues Packages Projects Releases Wiki Activity

sys,dll: symlink testing

Browse Source
This commit is contained in:
Bill Zissimopoulos
2016-09-09 21:21:24 -07:00
parent 811696d939
commit 165f3ec45d
9 changed files with 102 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/sys/fsctl.c
View File

@ -118,8 +118,8 @@ static NTSTATUS FspFsvolFileSystemControlReparsePoint(
if (IsWrite)
{
if (0 == InputBuffer || 0 == InputBufferLength ||
FSP_FSCTL_TRANSACT_REQ_SIZEMAX - FIELD_OFFSET(FSP_FSCTL_TRANSACT_REQ, Buffer) -
(FileNode->FileName.Length + sizeof(WCHAR)) < InputBufferLength)
FSP_FSCTL_TRANSACT_REQ_BUFFER_SIZEMAX - (FileNode->FileName.Length + sizeof(WCHAR)) <
InputBufferLength)
return STATUS_INVALID_PARAMETER;
Result = FsRtlValidateReparsePointBuffer(InputBufferLength, InputBuffer);
@ -134,9 +134,9 @@ static NTSTATUS FspFsvolFileSystemControlReparsePoint(
if (FsvolDeviceExtension->VolumeParams.ReparsePointsAccessCheck)
{
if (KernelMode != Irp->RequestorMode &&
SeSinglePrivilegeCheck(RtlConvertLongToLuid(SE_CREATE_SYMBOLIC_LINK_PRIVILEGE),
!SeSinglePrivilegeCheck(RtlConvertLongToLuid(SE_CREATE_SYMBOLIC_LINK_PRIVILEGE),
UserMode))
return STATUS_ACCESS_DENIED;
return STATUS_PRIVILEGE_NOT_HELD;
}
/* determine if target resides on same device as link (convenience for user mode) */