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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "content/common/handle_enumerator_win.h"
6 
7 #include <windows.h>
8 #include <map>
9 
10 #include "base/command_line.h"
11 #include "base/logging.h"
12 #include "base/process/process.h"
13 #include "base/strings/utf_string_conversions.h"
14 #include "base/win/windows_version.h"
15 #include "content/public/common/content_switches.h"
16 #include "content/public/common/result_codes.h"
17 #include "sandbox/win/src/handle_table.h"
18 
19 using base::ASCIIToUTF16;
20 
21 namespace content {
22 namespace {
23 
24 typedef std::map<const base::string16, HandleType> HandleTypeMap;
25 
MakeHandleTypeMap()26 HandleTypeMap& MakeHandleTypeMap() {
27   HandleTypeMap& handle_types = *(new HandleTypeMap());
28   handle_types[sandbox::HandleTable::kTypeProcess] = ProcessHandle;
29   handle_types[sandbox::HandleTable::kTypeThread] = ThreadHandle;
30   handle_types[sandbox::HandleTable::kTypeFile] = FileHandle;
31   handle_types[sandbox::HandleTable::kTypeDirectory] = DirectoryHandle;
32   handle_types[sandbox::HandleTable::kTypeKey] = KeyHandle;
33   handle_types[sandbox::HandleTable::kTypeWindowStation] = WindowStationHandle;
34   handle_types[sandbox::HandleTable::kTypeDesktop] = DesktopHandle;
35   handle_types[sandbox::HandleTable::kTypeService] = ServiceHandle;
36   handle_types[sandbox::HandleTable::kTypeMutex] = MutexHandle;
37   handle_types[sandbox::HandleTable::kTypeSemaphore] = SemaphoreHandle;
38   handle_types[sandbox::HandleTable::kTypeEvent] = EventHandle;
39   handle_types[sandbox::HandleTable::kTypeTimer] = TimerHandle;
40   handle_types[sandbox::HandleTable::kTypeNamedPipe] = NamedPipeHandle;
41   handle_types[sandbox::HandleTable::kTypeJobObject] = JobHandle;
42   handle_types[sandbox::HandleTable::kTypeFileMap] = FileMapHandle;
43   handle_types[sandbox::HandleTable::kTypeAlpcPort] = AlpcPortHandle;
44 
45   return handle_types;
46 }
47 
48 }  // namespace
49 
50 const size_t kMaxHandleNameLength = 1024;
51 
EnumerateHandles()52 void HandleEnumerator::EnumerateHandles() {
53   sandbox::HandleTable handles;
54   std::string process_type =
55       base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
56           switches::kProcessType);
57   base::string16 output = ASCIIToUTF16(process_type);
58   output.append(ASCIIToUTF16(" process - Handles at shutdown:\n"));
59   for (sandbox::HandleTable::Iterator sys_handle
60       = handles.HandlesForProcess(::GetCurrentProcessId());
61       sys_handle != handles.end(); ++sys_handle) {
62     HandleType current_type = StringToHandleType(sys_handle->Type());
63     if (!all_handles_ && (current_type != ProcessHandle &&
64                           current_type != FileHandle &&
65                           current_type != DirectoryHandle &&
66                           current_type != KeyHandle &&
67                           current_type != WindowStationHandle &&
68                           current_type != DesktopHandle &&
69                           current_type != ServiceHandle))
70       continue;
71 
72     output += ASCIIToUTF16("[");
73     output += sys_handle->Type();
74     output += ASCIIToUTF16("] (");
75     output += sys_handle->Name();
76     output += ASCIIToUTF16(")\n");
77     output += GetAccessString(current_type,
78         sys_handle->handle_entry()->GrantedAccess);
79   }
80   DVLOG(0) << output;
81 }
82 
StringToHandleType(const base::string16 & type)83 HandleType StringToHandleType(const base::string16& type) {
84   static HandleTypeMap handle_types = MakeHandleTypeMap();
85   HandleTypeMap::iterator result = handle_types.find(type);
86   return result != handle_types.end() ? result->second : OtherHandle;
87 }
88 
GetAccessString(HandleType handle_type,ACCESS_MASK access)89 base::string16 GetAccessString(HandleType handle_type,
90                                            ACCESS_MASK access) {
91   base::string16 output;
92   if (access & GENERIC_READ)
93     output.append(ASCIIToUTF16("\tGENERIC_READ\n"));
94   if (access & GENERIC_WRITE)
95     output.append(ASCIIToUTF16("\tGENERIC_WRITE\n"));
96   if (access & GENERIC_EXECUTE)
97     output.append(ASCIIToUTF16("\tGENERIC_EXECUTE\n"));
98   if (access & GENERIC_ALL)
99     output.append(ASCIIToUTF16("\tGENERIC_ALL\n"));
100   if (access & DELETE)
101     output.append(ASCIIToUTF16("\tDELETE\n"));
102   if (access & READ_CONTROL)
103     output.append(ASCIIToUTF16("\tREAD_CONTROL\n"));
104   if (access & WRITE_DAC)
105     output.append(ASCIIToUTF16("\tWRITE_DAC\n"));
106   if (access & WRITE_OWNER)
107     output.append(ASCIIToUTF16("\tWRITE_OWNER\n"));
108   if (access & SYNCHRONIZE)
109     output.append(ASCIIToUTF16("\tSYNCHRONIZE\n"));
110 
111   switch (handle_type) {
112     case ProcessHandle:
113       if (access & PROCESS_CREATE_PROCESS)
114         output.append(ASCIIToUTF16("\tPROCESS_CREATE_PROCESS\n"));
115       if (access & PROCESS_CREATE_THREAD)
116         output.append(ASCIIToUTF16("\tPROCESS_CREATE_THREAD\n"));
117       if (access & PROCESS_DUP_HANDLE)
118         output.append(ASCIIToUTF16("\tPROCESS_DUP_HANDLE\n"));
119       if (access & PROCESS_QUERY_INFORMATION)
120         output.append(ASCIIToUTF16("\tPROCESS_QUERY_INFORMATION\n"));
121       if (access & PROCESS_QUERY_LIMITED_INFORMATION)
122         output.append(ASCIIToUTF16("\tPROCESS_QUERY_LIMITED_INFORMATION\n"));
123       if (access & PROCESS_SET_INFORMATION)
124         output.append(ASCIIToUTF16("\tPROCESS_SET_INFORMATION\n"));
125       if (access & PROCESS_SET_QUOTA)
126         output.append(ASCIIToUTF16("\tPROCESS_SET_QUOTA\n"));
127       if (access & PROCESS_SUSPEND_RESUME)
128         output.append(ASCIIToUTF16("\tPROCESS_SUSPEND_RESUME\n"));
129       if (access & PROCESS_TERMINATE)
130         output.append(ASCIIToUTF16("\tPROCESS_TERMINATE\n"));
131       if (access & PROCESS_VM_OPERATION)
132         output.append(ASCIIToUTF16("\tPROCESS_VM_OPERATION\n"));
133       if (access & PROCESS_VM_READ)
134         output.append(ASCIIToUTF16("\tPROCESS_VM_READ\n"));
135       if (access & PROCESS_VM_WRITE)
136         output.append(ASCIIToUTF16("\tPROCESS_VM_WRITE\n"));
137       break;
138     case ThreadHandle:
139       if (access & THREAD_DIRECT_IMPERSONATION)
140         output.append(ASCIIToUTF16("\tTHREAD_DIRECT_IMPERSONATION\n"));
141       if (access & THREAD_GET_CONTEXT)
142         output.append(ASCIIToUTF16("\tTHREAD_GET_CONTEXT\n"));
143       if (access & THREAD_IMPERSONATE)
144         output.append(ASCIIToUTF16("\tTHREAD_IMPERSONATE\n"));
145       if (access & THREAD_QUERY_INFORMATION )
146         output.append(ASCIIToUTF16("\tTHREAD_QUERY_INFORMATION\n"));
147       if (access & THREAD_QUERY_LIMITED_INFORMATION)
148         output.append(ASCIIToUTF16("\tTHREAD_QUERY_LIMITED_INFORMATION\n"));
149       if (access & THREAD_SET_CONTEXT)
150         output.append(ASCIIToUTF16("\tTHREAD_SET_CONTEXT\n"));
151       if (access & THREAD_SET_INFORMATION)
152         output.append(ASCIIToUTF16("\tTHREAD_SET_INFORMATION\n"));
153       if (access & THREAD_SET_LIMITED_INFORMATION)
154         output.append(ASCIIToUTF16("\tTHREAD_SET_LIMITED_INFORMATION\n"));
155       if (access & THREAD_SET_THREAD_TOKEN)
156         output.append(ASCIIToUTF16("\tTHREAD_SET_THREAD_TOKEN\n"));
157       if (access & THREAD_SUSPEND_RESUME)
158         output.append(ASCIIToUTF16("\tTHREAD_SUSPEND_RESUME\n"));
159       if (access & THREAD_TERMINATE)
160         output.append(ASCIIToUTF16("\tTHREAD_TERMINATE\n"));
161       break;
162     case FileHandle:
163       if (access & FILE_APPEND_DATA)
164         output.append(ASCIIToUTF16("\tFILE_APPEND_DATA\n"));
165       if (access & FILE_EXECUTE)
166         output.append(ASCIIToUTF16("\tFILE_EXECUTE\n"));
167       if (access & FILE_READ_ATTRIBUTES)
168         output.append(ASCIIToUTF16("\tFILE_READ_ATTRIBUTES\n"));
169       if (access & FILE_READ_DATA)
170         output.append(ASCIIToUTF16("\tFILE_READ_DATA\n"));
171       if (access & FILE_READ_EA)
172         output.append(ASCIIToUTF16("\tFILE_READ_EA\n"));
173       if (access & FILE_WRITE_ATTRIBUTES)
174         output.append(ASCIIToUTF16("\tFILE_WRITE_ATTRIBUTES\n"));
175       if (access & FILE_WRITE_DATA)
176         output.append(ASCIIToUTF16("\tFILE_WRITE_DATA\n"));
177       if (access & FILE_WRITE_EA)
178         output.append(ASCIIToUTF16("\tFILE_WRITE_EA\n"));
179       break;
180     case DirectoryHandle:
181       if (access & FILE_ADD_FILE)
182         output.append(ASCIIToUTF16("\tFILE_ADD_FILE\n"));
183       if (access & FILE_ADD_SUBDIRECTORY)
184         output.append(ASCIIToUTF16("\tFILE_ADD_SUBDIRECTORY\n"));
185       if (access & FILE_APPEND_DATA)
186         output.append(ASCIIToUTF16("\tFILE_APPEND_DATA\n"));
187       if (access & FILE_DELETE_CHILD)
188         output.append(ASCIIToUTF16("\tFILE_DELETE_CHILD\n"));
189       if (access & FILE_LIST_DIRECTORY)
190         output.append(ASCIIToUTF16("\tFILE_LIST_DIRECTORY\n"));
191       if (access & FILE_READ_DATA)
192         output.append(ASCIIToUTF16("\tFILE_READ_DATA\n"));
193       if (access & FILE_TRAVERSE)
194         output.append(ASCIIToUTF16("\tFILE_TRAVERSE\n"));
195       if (access & FILE_WRITE_DATA)
196         output.append(ASCIIToUTF16("\tFILE_WRITE_DATA\n"));
197       break;
198     case KeyHandle:
199       if (access & KEY_CREATE_LINK)
200         output.append(ASCIIToUTF16("\tKEY_CREATE_LINK\n"));
201       if (access & KEY_CREATE_SUB_KEY)
202         output.append(ASCIIToUTF16("\tKEY_CREATE_SUB_KEY\n"));
203       if (access & KEY_ENUMERATE_SUB_KEYS)
204         output.append(ASCIIToUTF16("\tKEY_ENUMERATE_SUB_KEYS\n"));
205       if (access & KEY_EXECUTE)
206         output.append(ASCIIToUTF16("\tKEY_EXECUTE\n"));
207       if (access & KEY_NOTIFY)
208         output.append(ASCIIToUTF16("\tKEY_NOTIFY\n"));
209       if (access & KEY_QUERY_VALUE)
210         output.append(ASCIIToUTF16("\tKEY_QUERY_VALUE\n"));
211       if (access & KEY_READ)
212         output.append(ASCIIToUTF16("\tKEY_READ\n"));
213       if (access & KEY_SET_VALUE)
214         output.append(ASCIIToUTF16("\tKEY_SET_VALUE\n"));
215       if (access & KEY_WOW64_32KEY)
216         output.append(ASCIIToUTF16("\tKEY_WOW64_32KEY\n"));
217       if (access & KEY_WOW64_64KEY)
218         output.append(ASCIIToUTF16("\tKEY_WOW64_64KEY\n"));
219       break;
220     case WindowStationHandle:
221       if (access & WINSTA_ACCESSCLIPBOARD)
222         output.append(ASCIIToUTF16("\tWINSTA_ACCESSCLIPBOARD\n"));
223       if (access & WINSTA_ACCESSGLOBALATOMS)
224         output.append(ASCIIToUTF16("\tWINSTA_ACCESSGLOBALATOMS\n"));
225       if (access & WINSTA_CREATEDESKTOP)
226         output.append(ASCIIToUTF16("\tWINSTA_CREATEDESKTOP\n"));
227       if (access & WINSTA_ENUMDESKTOPS)
228         output.append(ASCIIToUTF16("\tWINSTA_ENUMDESKTOPS\n"));
229       if (access & WINSTA_ENUMERATE)
230         output.append(ASCIIToUTF16("\tWINSTA_ENUMERATE\n"));
231       if (access & WINSTA_EXITWINDOWS)
232         output.append(ASCIIToUTF16("\tWINSTA_EXITWINDOWS\n"));
233       if (access & WINSTA_READATTRIBUTES)
234         output.append(ASCIIToUTF16("\tWINSTA_READATTRIBUTES\n"));
235       if (access & WINSTA_READSCREEN)
236         output.append(ASCIIToUTF16("\tWINSTA_READSCREEN\n"));
237       if (access & WINSTA_WRITEATTRIBUTES)
238         output.append(ASCIIToUTF16("\tWINSTA_WRITEATTRIBUTES\n"));
239       break;
240     case DesktopHandle:
241       if (access & DESKTOP_CREATEMENU)
242         output.append(ASCIIToUTF16("\tDESKTOP_CREATEMENU\n"));
243       if (access & DESKTOP_CREATEWINDOW)
244         output.append(ASCIIToUTF16("\tDESKTOP_CREATEWINDOW\n"));
245       if (access & DESKTOP_ENUMERATE)
246         output.append(ASCIIToUTF16("\tDESKTOP_ENUMERATE\n"));
247       if (access & DESKTOP_HOOKCONTROL)
248         output.append(ASCIIToUTF16("\tDESKTOP_HOOKCONTROL\n"));
249       if (access & DESKTOP_JOURNALPLAYBACK)
250         output.append(ASCIIToUTF16("\tDESKTOP_JOURNALPLAYBACK\n"));
251       if (access & DESKTOP_JOURNALRECORD)
252         output.append(ASCIIToUTF16("\tDESKTOP_JOURNALRECORD\n"));
253       if (access & DESKTOP_READOBJECTS)
254         output.append(ASCIIToUTF16("\tDESKTOP_READOBJECTS\n"));
255       if (access & DESKTOP_SWITCHDESKTOP)
256         output.append(ASCIIToUTF16("\tDESKTOP_SWITCHDESKTOP\n"));
257       if (access & DESKTOP_WRITEOBJECTS)
258         output.append(ASCIIToUTF16("\tDESKTOP_WRITEOBJECTS\n"));
259       break;
260     case ServiceHandle:
261       if (access & SC_MANAGER_CREATE_SERVICE)
262         output.append(ASCIIToUTF16("\tSC_MANAGER_CREATE_SERVICE\n"));
263       if (access & SC_MANAGER_CONNECT)
264         output.append(ASCIIToUTF16("\tSC_MANAGER_CONNECT\n"));
265       if (access & SC_MANAGER_ENUMERATE_SERVICE )
266         output.append(ASCIIToUTF16("\tSC_MANAGER_ENUMERATE_SERVICE\n"));
267       if (access & SC_MANAGER_LOCK)
268         output.append(ASCIIToUTF16("\tSC_MANAGER_LOCK\n"));
269       if (access & SC_MANAGER_MODIFY_BOOT_CONFIG )
270         output.append(ASCIIToUTF16("\tSC_MANAGER_MODIFY_BOOT_CONFIG\n"));
271       if (access & SC_MANAGER_QUERY_LOCK_STATUS )
272         output.append(ASCIIToUTF16("\tSC_MANAGER_QUERY_LOCK_STATUS\n"));
273       break;
274     case EventHandle:
275       if (access & EVENT_MODIFY_STATE)
276         output.append(ASCIIToUTF16("\tEVENT_MODIFY_STATE\n"));
277       break;
278     case MutexHandle:
279       if (access & MUTEX_MODIFY_STATE)
280         output.append(ASCIIToUTF16("\tMUTEX_MODIFY_STATE\n"));
281       break;
282     case SemaphoreHandle:
283       if (access & SEMAPHORE_MODIFY_STATE)
284         output.append(ASCIIToUTF16("\tSEMAPHORE_MODIFY_STATE\n"));
285       break;
286     case TimerHandle:
287       if (access & TIMER_MODIFY_STATE)
288         output.append(ASCIIToUTF16("\tTIMER_MODIFY_STATE\n"));
289       if (access & TIMER_QUERY_STATE)
290         output.append(ASCIIToUTF16("\tTIMER_QUERY_STATE\n"));
291       break;
292     case NamedPipeHandle:
293       if (access & PIPE_ACCESS_INBOUND)
294         output.append(ASCIIToUTF16("\tPIPE_ACCESS_INBOUND\n"));
295       if (access & PIPE_ACCESS_OUTBOUND)
296         output.append(ASCIIToUTF16("\tPIPE_ACCESS_OUTBOUND\n"));
297       break;
298     case JobHandle:
299       if (access & JOB_OBJECT_ASSIGN_PROCESS)
300         output.append(ASCIIToUTF16("\tJOB_OBJECT_ASSIGN_PROCESS\n"));
301       if (access & JOB_OBJECT_QUERY)
302         output.append(ASCIIToUTF16("\tJOB_OBJECT_QUERY\n"));
303       if (access & JOB_OBJECT_SET_ATTRIBUTES)
304         output.append(ASCIIToUTF16("\tJOB_OBJECT_SET_ATTRIBUTES\n"));
305       if (access & JOB_OBJECT_SET_SECURITY_ATTRIBUTES)
306         output.append(ASCIIToUTF16("\tJOB_OBJECT_SET_SECURITY_ATTRIBUTES\n"));
307       if (access & JOB_OBJECT_TERMINATE)
308         output.append(ASCIIToUTF16("\tJOB_OBJECT_TERMINATE\n"));
309       break;
310     case FileMapHandle:
311       if (access & FILE_MAP_EXECUTE)
312         output.append(ASCIIToUTF16("\tFILE_MAP_EXECUTE\n"));
313       if (access & FILE_MAP_READ)
314         output.append(ASCIIToUTF16("\tFILE_MAP_READ\n"));
315       if (access & FILE_MAP_WRITE)
316         output.append(ASCIIToUTF16("\tFILE_MAP_WRITE\n"));
317       break;
318   }
319   return output;
320 }
321 
322 }  // namespace content
323