74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
// Copyright 2015 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http ://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "stdafx.h"
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#include "CommonUtils.h"
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#include "ntimports.h"
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HANDLE CreateSymlink(HANDLE root, LPCWSTR linkname, LPCWSTR targetname)
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{
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DEFINE_NTDLL(RtlInitUnicodeString);
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DEFINE_NTDLL(NtCreateSymbolicLinkObject);
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OBJECT_ATTRIBUTES objAttr;
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UNICODE_STRING name;
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UNICODE_STRING target;
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fRtlInitUnicodeString(&name, linkname);
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fRtlInitUnicodeString(&target, targetname);
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InitializeObjectAttributes(&objAttr, &name, OBJ_CASE_INSENSITIVE, root, nullptr);
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HANDLE hLink;
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NTSTATUS status = fNtCreateSymbolicLinkObject(&hLink,
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SYMBOLIC_LINK_ALL_ACCESS, &objAttr, &target);
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if (status == 0)
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{
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//DebugPrintf("Opened Link %ls -> %ls: %p\n", linkname, targetname, hLink);
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return hLink;
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}
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else
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{
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SetLastError(NtStatusToDosError(status));
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return nullptr;
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}
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}
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HANDLE OpenSymlink(HANDLE root, LPCWSTR linkname)
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{
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DEFINE_NTDLL(RtlInitUnicodeString);
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DEFINE_NTDLL(NtOpenSymbolicLinkObject);
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OBJECT_ATTRIBUTES objAttr;
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UNICODE_STRING name;
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fRtlInitUnicodeString(&name, linkname);
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InitializeObjectAttributes(&objAttr, &name, OBJ_CASE_INSENSITIVE, root, nullptr);
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HANDLE hLink;
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NTSTATUS status = fNtOpenSymbolicLinkObject(&hLink,
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SYMBOLIC_LINK_ALL_ACCESS, &objAttr);
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if (status == 0)
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{
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return hLink;
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}
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else
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{
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SetLastError(NtStatusToDosError(status));
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return nullptr;
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}
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} |