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1 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium OS 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 _CRASH_REPORTER_USER_COLLECTOR_H_ | 5 #ifndef _CRASH_REPORTER_USER_COLLECTOR_H_ |
6 #define _CRASH_REPORTER_USER_COLLECTOR_H_ | 6 #define _CRASH_REPORTER_USER_COLLECTOR_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "crash-reporter/system_logging.h" | 10 #include "crash-reporter/crash_collector.h" |
11 #include "gtest/gtest_prod.h" // for FRIEND_TEST | 11 #include "gtest/gtest_prod.h" // for FRIEND_TEST |
12 | 12 |
13 class FilePath; | 13 class FilePath; |
| 14 class SystemLogging; |
14 | 15 |
15 // User crash collector. | 16 // User crash collector. |
16 class UserCollector { | 17 class UserCollector : public CrashCollector { |
17 public: | 18 public: |
18 typedef void (*CountCrashFunction)(); | |
19 typedef bool (*IsFeedbackAllowedFunction)(); | |
20 | |
21 UserCollector(); | 19 UserCollector(); |
22 | 20 |
23 // Initialize the user crash collector for detection of crashes, | 21 // Initialize the user crash collector for detection of crashes, |
24 // given a crash counting function, the path to this executable, | 22 // given a crash counting function, the path to this executable, |
25 // metrics collection enabled oracle, and system logger facility. | 23 // metrics collection enabled oracle, and system logger facility. |
26 // Crash detection/reporting is not enabled until Enable is called. | 24 // Crash detection/reporting is not enabled until Enable is called. |
27 // |generate_diagnostics| is used to indicate whether or not to try | 25 // |generate_diagnostics| is used to indicate whether or not to try |
28 // to generate a minidump from crashes. | 26 // to generate a minidump from crashes. |
29 void Initialize(CountCrashFunction count_crash, | 27 void Initialize(CountCrashFunction count_crash, |
30 const std::string &our_path, | 28 const std::string &our_path, |
(...skipping 15 matching lines...) Expand all Loading... |
46 // Set (override the default) core file pattern. | 44 // Set (override the default) core file pattern. |
47 void set_core_pattern_file(const std::string &pattern) { | 45 void set_core_pattern_file(const std::string &pattern) { |
48 core_pattern_file_ = pattern; | 46 core_pattern_file_ = pattern; |
49 } | 47 } |
50 | 48 |
51 private: | 49 private: |
52 friend class UserCollectorTest; | 50 friend class UserCollectorTest; |
53 FRIEND_TEST(UserCollectorTest, CopyOffProcFilesBadPath); | 51 FRIEND_TEST(UserCollectorTest, CopyOffProcFilesBadPath); |
54 FRIEND_TEST(UserCollectorTest, CopyOffProcFilesBadPid); | 52 FRIEND_TEST(UserCollectorTest, CopyOffProcFilesBadPid); |
55 FRIEND_TEST(UserCollectorTest, CopyOffProcFilesOK); | 53 FRIEND_TEST(UserCollectorTest, CopyOffProcFilesOK); |
56 FRIEND_TEST(UserCollectorTest, FormatDumpBasename); | |
57 FRIEND_TEST(UserCollectorTest, GetCrashDirectoryInfo); | |
58 FRIEND_TEST(UserCollectorTest, GetIdFromStatus); | 54 FRIEND_TEST(UserCollectorTest, GetIdFromStatus); |
59 FRIEND_TEST(UserCollectorTest, GetProcessPath); | 55 FRIEND_TEST(UserCollectorTest, GetProcessPath); |
60 FRIEND_TEST(UserCollectorTest, GetSymlinkTarget); | 56 FRIEND_TEST(UserCollectorTest, GetSymlinkTarget); |
61 FRIEND_TEST(UserCollectorTest, GetUserInfoFromName); | 57 FRIEND_TEST(UserCollectorTest, GetUserInfoFromName); |
62 | 58 |
63 // Enumeration to pass to GetIdFromStatus. Must match the order | 59 // Enumeration to pass to GetIdFromStatus. Must match the order |
64 // that the kernel lists IDs in the status file. | 60 // that the kernel lists IDs in the status file. |
65 enum IdKind { | 61 enum IdKind { |
66 kIdReal = 0, // uid and gid | 62 kIdReal = 0, // uid and gid |
67 kIdEffective = 1, // euid and egid | 63 kIdEffective = 1, // euid and egid |
68 kIdSet = 2, // suid and sgid | 64 kIdSet = 2, // suid and sgid |
69 kIdFileSystem = 3, // fsuid and fsgid | 65 kIdFileSystem = 3, // fsuid and fsgid |
70 kIdMax | 66 kIdMax |
71 }; | 67 }; |
72 | 68 |
73 std::string GetPattern(bool enabled) const; | 69 std::string GetPattern(bool enabled) const; |
74 bool SetUpInternal(bool enabled); | 70 bool SetUpInternal(bool enabled); |
75 | 71 |
76 FilePath GetProcessPath(pid_t pid); | 72 FilePath GetProcessPath(pid_t pid); |
77 bool GetSymlinkTarget(const FilePath &symlink, | 73 bool GetSymlinkTarget(const FilePath &symlink, |
78 FilePath *target); | 74 FilePath *target); |
79 bool GetExecutableBaseNameFromPid(uid_t pid, | 75 bool GetExecutableBaseNameFromPid(uid_t pid, |
80 std::string *base_name); | 76 std::string *base_name); |
81 bool GetIdFromStatus(const char *prefix, | 77 bool GetIdFromStatus(const char *prefix, |
82 IdKind kind, | 78 IdKind kind, |
83 const std::string &status_contents, | 79 const std::string &status_contents, |
84 int *id); | 80 int *id); |
85 bool GetUserInfoFromName(const std::string &name, | |
86 uid_t *uid, | |
87 gid_t *gid); | |
88 bool CopyOffProcFiles(pid_t pid, const FilePath &process_map); | 81 bool CopyOffProcFiles(pid_t pid, const FilePath &process_map); |
89 FilePath GetCrashDirectoryInfo(uid_t process_euid, | |
90 uid_t default_user_id, | |
91 gid_t default_user_group, | |
92 mode_t *mode, | |
93 uid_t *directory_owner, | |
94 gid_t *directory_group); | |
95 // Determines the crash directory for given pid based on pid's owner, | 82 // Determines the crash directory for given pid based on pid's owner, |
96 // and creates the directory if necessary with appropriate permissions. | 83 // and creates the directory if necessary with appropriate permissions. |
97 // Returns true whether or not directory needed to be created, false on | 84 // Returns true whether or not directory needed to be created, false on |
98 // any failure. | 85 // any failure. |
99 bool GetCreatedCrashDirectory(pid_t pid, | 86 bool GetCreatedCrashDirectory(pid_t pid, |
100 FilePath *crash_file_path); | 87 FilePath *crash_file_path); |
101 std::string FormatDumpBasename(const std::string &exec_name, | |
102 time_t timestamp, | |
103 pid_t pid); | |
104 bool CopyStdinToCoreFile(const FilePath &core_path); | 88 bool CopyStdinToCoreFile(const FilePath &core_path); |
105 bool ConvertCoreToMinidump(const FilePath &core_path, | 89 bool ConvertCoreToMinidump(const FilePath &core_path, |
106 const FilePath &procfs_directory, | 90 const FilePath &procfs_directory, |
107 const FilePath &minidump_path, | 91 const FilePath &minidump_path, |
108 const FilePath &temp_directory); | 92 const FilePath &temp_directory); |
109 bool GenerateDiagnostics(pid_t pid, const std::string &exec_name); | 93 bool GenerateDiagnostics(pid_t pid, const std::string &exec_name); |
110 | 94 |
111 bool generate_diagnostics_; | 95 bool generate_diagnostics_; |
112 std::string core_pattern_file_; | 96 std::string core_pattern_file_; |
113 CountCrashFunction count_crash_function_; | |
114 std::string our_path_; | 97 std::string our_path_; |
115 bool initialized_; | 98 bool initialized_; |
116 IsFeedbackAllowedFunction is_feedback_allowed_function_; | |
117 SystemLogging *logger_; | |
118 | 99 |
119 static const char *kUserId; | 100 static const char *kUserId; |
120 static const char *kGroupId; | 101 static const char *kGroupId; |
121 }; | 102 }; |
122 | 103 |
123 #endif // _CRASH_REPORTER_USER_COLLECTOR_H_ | 104 #endif // _CRASH_REPORTER_USER_COLLECTOR_H_ |
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