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1 // Copyright (c) 2006-2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2010 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef SANDBOX_SRC_PROCESS_THREAD_POLICY_H_ | 5 #ifndef SANDBOX_SRC_PROCESS_THREAD_POLICY_H_ |
6 #define SANDBOX_SRC_PROCESS_THREAD_POLICY_H_ | 6 #define SANDBOX_SRC_PROCESS_THREAD_POLICY_H_ |
7 | 7 |
8 #include <stdint.h> | |
9 | |
10 #include <string> | 8 #include <string> |
11 | 9 |
12 #include "sandbox/win/src/policy_low_level.h" | 10 #include "sandbox/win/src/policy_low_level.h" |
13 | 11 |
| 12 #include "base/basictypes.h" |
14 #include "base/strings/string16.h" | 13 #include "base/strings/string16.h" |
15 #include "sandbox/win/src/crosscall_server.h" | 14 #include "sandbox/win/src/crosscall_server.h" |
16 #include "sandbox/win/src/sandbox_policy.h" | 15 #include "sandbox/win/src/sandbox_policy.h" |
17 | 16 |
18 namespace sandbox { | 17 namespace sandbox { |
19 | 18 |
20 enum EvalResult; | 19 enum EvalResult; |
21 | 20 |
22 // This class centralizes most of the knowledge related to process execution. | 21 // This class centralizes most of the knowledge related to process execution. |
23 class ProcessPolicy { | 22 class ProcessPolicy { |
24 public: | 23 public: |
25 // Creates the required low-level policy rules to evaluate a high-level. | 24 // Creates the required low-level policy rules to evaluate a high-level. |
26 // policy rule for process creation | 25 // policy rule for process creation |
27 // 'name' is the executable to be spawn. | 26 // 'name' is the executable to be spawn. |
28 // 'semantics' is the desired semantics. | 27 // 'semantics' is the desired semantics. |
29 // 'policy' is the policy generator to which the rules are going to be added. | 28 // 'policy' is the policy generator to which the rules are going to be added. |
30 static bool GenerateRules(const wchar_t* name, | 29 static bool GenerateRules(const wchar_t* name, |
31 TargetPolicy::Semantics semantics, | 30 TargetPolicy::Semantics semantics, |
32 LowLevelPolicy* policy); | 31 LowLevelPolicy* policy); |
33 | 32 |
34 // Opens a thread from the child process and returns the handle. | 33 // Opens a thread from the child process and returns the handle. |
35 // client_info contains the information about the child process, | 34 // client_info contains the information about the child process, |
36 // desired_access is the access requested by the child and thread_id | 35 // desired_access is the access requested by the child and thread_id |
37 // is the thread_id to be opened. | 36 // is the thread_id to be opened. |
38 // The function returns the return value of NtOpenThread. | 37 // The function returns the return value of NtOpenThread. |
39 static NTSTATUS OpenThreadAction(const ClientInfo& client_info, | 38 static NTSTATUS OpenThreadAction(const ClientInfo& client_info, |
40 uint32_t desired_access, | 39 uint32 desired_access, |
41 uint32_t thread_id, | 40 uint32 thread_id, |
42 HANDLE* handle); | 41 HANDLE* handle); |
43 | 42 |
44 // Opens the process id passed in and returns the duplicated handle to | 43 // Opens the process id passed in and returns the duplicated handle to |
45 // the child. We only allow the child processes to open themselves. Any other | 44 // the child. We only allow the child processes to open themselves. Any other |
46 // pid open is denied. | 45 // pid open is denied. |
47 static NTSTATUS OpenProcessAction(const ClientInfo& client_info, | 46 static NTSTATUS OpenProcessAction(const ClientInfo& client_info, |
48 uint32_t desired_access, | 47 uint32 desired_access, |
49 uint32_t process_id, | 48 uint32 process_id, |
50 HANDLE* handle); | 49 HANDLE* handle); |
51 | 50 |
52 // Opens the token associated with the process and returns the duplicated | 51 // Opens the token associated with the process and returns the duplicated |
53 // handle to the child. We only allow the child processes to open his own | 52 // handle to the child. We only allow the child processes to open his own |
54 // token (using ::GetCurrentProcess()). | 53 // token (using ::GetCurrentProcess()). |
55 static NTSTATUS OpenProcessTokenAction(const ClientInfo& client_info, | 54 static NTSTATUS OpenProcessTokenAction(const ClientInfo& client_info, |
56 HANDLE process, | 55 HANDLE process, |
57 uint32_t desired_access, | 56 uint32 desired_access, |
58 HANDLE* handle); | 57 HANDLE* handle); |
59 | 58 |
60 // Opens the token associated with the process and returns the duplicated | 59 // Opens the token associated with the process and returns the duplicated |
61 // handle to the child. We only allow the child processes to open his own | 60 // handle to the child. We only allow the child processes to open his own |
62 // token (using ::GetCurrentProcess()). | 61 // token (using ::GetCurrentProcess()). |
63 static NTSTATUS OpenProcessTokenExAction(const ClientInfo& client_info, | 62 static NTSTATUS OpenProcessTokenExAction(const ClientInfo& client_info, |
64 HANDLE process, | 63 HANDLE process, |
65 uint32_t desired_access, | 64 uint32 desired_access, |
66 uint32_t attributes, | 65 uint32 attributes, |
67 HANDLE* handle); | 66 HANDLE* handle); |
68 | 67 |
69 // Processes a 'CreateProcessW()' request from the target. | 68 // Processes a 'CreateProcessW()' request from the target. |
70 // 'client_info' : the target process that is making the request. | 69 // 'client_info' : the target process that is making the request. |
71 // 'eval_result' : The desired policy action to accomplish. | 70 // 'eval_result' : The desired policy action to accomplish. |
72 // 'app_name' : The full path of the process to be created. | 71 // 'app_name' : The full path of the process to be created. |
73 // 'command_line' : The command line passed to the created process. | 72 // 'command_line' : The command line passed to the created process. |
74 static DWORD CreateProcessWAction(EvalResult eval_result, | 73 static DWORD CreateProcessWAction(EvalResult eval_result, |
75 const ClientInfo& client_info, | 74 const ClientInfo& client_info, |
76 const base::string16 &app_name, | 75 const base::string16 &app_name, |
77 const base::string16 &command_line, | 76 const base::string16 &command_line, |
78 PROCESS_INFORMATION* process_info); | 77 PROCESS_INFORMATION* process_info); |
79 }; | 78 }; |
80 | 79 |
81 } // namespace sandbox | 80 } // namespace sandbox |
82 | 81 |
83 | 82 |
84 #endif // SANDBOX_SRC_PROCESS_THREAD_POLICY_H_ | 83 #endif // SANDBOX_SRC_PROCESS_THREAD_POLICY_H_ |
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