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| 1 // Copyright 2015 The Crashpad Authors. All rights reserved. |
| 2 // |
| 3 // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 // you may not use this file except in compliance with the License. |
| 5 // You may obtain a copy of the License at |
| 6 // |
| 7 // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 // |
| 9 // Unless required by applicable law or agreed to in writing, software |
| 10 // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 // See the License for the specific language governing permissions and |
| 13 // limitations under the License. |
| 14 |
| 15 #ifndef CRASHPAD_UTIL_WIN_PROCESS_INFO_H_ |
| 16 #define CRASHPAD_UTIL_WIN_PROCESS_INFO_H_ |
| 17 |
| 18 #include <basetsd.h> |
| 19 #include <sys/types.h> |
| 20 #include <windows.h> |
| 21 #include <winternl.h> |
| 22 |
| 23 #include <string> |
| 24 #include <vector> |
| 25 |
| 26 #include "base/basictypes.h" |
| 27 #include "util/misc/initialization_state_dcheck.h" |
| 28 |
| 29 namespace crashpad { |
| 30 |
| 31 namespace internal { |
| 32 |
| 33 //! \brief This structure matches PROCESS_BASIC_INFORMATION in winternl.h but |
| 34 //! gives names to the Reserved fields (matching the WDK's ntddk.h). |
| 35 struct FULL_PROCESS_BASIC_INFORMATION { |
| 36 NTSTATUS ExitStatus; |
| 37 PPEB PebBaseAddress; |
| 38 KAFFINITY AffinityMask; |
| 39 PVOID BasePriority; |
| 40 ULONG UniqueProcessId; |
| 41 ULONG InheritedFromUniqueProcessId; |
| 42 }; |
| 43 |
| 44 } // namespace internal |
| 45 |
| 46 //! \brief Gathers information about a process given its `HANDLE`. This consists |
| 47 //! primarily of information stored in the Process Environment Block. |
| 48 class ProcessInfo { |
| 49 public: |
| 50 ProcessInfo(); |
| 51 ~ProcessInfo(); |
| 52 |
| 53 //! \brief Initializes this object with information about the given |
| 54 //! \a process. |
| 55 //! |
| 56 //! This method must be called successfully prior to calling any other |
| 57 //! method in this class. This method may only be called once. |
| 58 //! |
| 59 //! \return `true` on success, `false` on failure with a message logged. |
| 60 bool Initialize(HANDLE process); |
| 61 |
| 62 //! \return `true` if the target process is a 64-bit process. |
| 63 bool Is64Bit() const; |
| 64 |
| 65 //! \return `true` if the target process is running on the Win32-on-Win64 |
| 66 //! subsystem. |
| 67 bool IsWow64() const; |
| 68 |
| 69 //! \return The target process's process ID. |
| 70 pid_t ProcessID() const; |
| 71 |
| 72 //! \return The target process's parent process ID. |
| 73 pid_t ParentProcessID() const; |
| 74 |
| 75 //! \return The command line from the target process's Process Environment |
| 76 //! Block. |
| 77 bool CommandLine(std::wstring* command_line) const; |
| 78 |
| 79 //! \brief Retrieves the modules loaded into the target process. |
| 80 //! |
| 81 //! The modules are enumerated in initialization order as detailed in the |
| 82 //! Process Environment Block. The main executable will always be the |
| 83 //! first element. |
| 84 bool Modules(std::vector<std::wstring>* modules) const; |
| 85 |
| 86 private: |
| 87 internal::FULL_PROCESS_BASIC_INFORMATION process_basic_information_; |
| 88 std::wstring command_line_; |
| 89 std::vector<std::wstring> modules_; |
| 90 bool is_64_bit_; |
| 91 bool is_wow64_; |
| 92 InitializationStateDcheck initialized_; |
| 93 |
| 94 DISALLOW_COPY_AND_ASSIGN(ProcessInfo); |
| 95 }; |
| 96 |
| 97 } // namespace crashpad |
| 98 |
| 99 #endif // CRASHPAD_UTIL_WIN_PROCESS_INFO_H_ |
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