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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 #include "update_engine/omaha_request_params.h" | 5 #include "update_engine/omaha_request_params.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
8 #include <fcntl.h> | 8 #include <fcntl.h> |
9 #include <sys/utsname.h> | 9 #include <sys/utsname.h> |
10 | 10 |
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31 const char* const OmahaRequestParams::kAppId( | 31 const char* const OmahaRequestParams::kAppId( |
32 "{87efface-864d-49a5-9bb3-4b050a7c227a}"); | 32 "{87efface-864d-49a5-9bb3-4b050a7c227a}"); |
33 const char* const OmahaRequestParams::kOsPlatform("Chrome OS"); | 33 const char* const OmahaRequestParams::kOsPlatform("Chrome OS"); |
34 const char* const OmahaRequestParams::kOsVersion("Indy"); | 34 const char* const OmahaRequestParams::kOsVersion("Indy"); |
35 const char* const OmahaRequestParams::kUpdateUrl( | 35 const char* const OmahaRequestParams::kUpdateUrl( |
36 "https://tools.google.com/service/update2"); | 36 "https://tools.google.com/service/update2"); |
37 | 37 |
38 static const char kHWIDPath[] = "/sys/devices/platform/chromeos_acpi/HWID"; | 38 static const char kHWIDPath[] = "/sys/devices/platform/chromeos_acpi/HWID"; |
39 | 39 |
40 OmahaRequestDeviceParams::OmahaRequestDeviceParams() : | 40 OmahaRequestDeviceParams::OmahaRequestDeviceParams() : |
41 force_build_type_(false), | 41 force_lock_down_(false), |
42 forced_official_build_(false) {} | 42 forced_lock_down_(false) {} |
43 | 43 |
44 bool OmahaRequestDeviceParams::Init(const std::string& in_app_version, | 44 bool OmahaRequestDeviceParams::Init(const std::string& in_app_version, |
45 const std::string& in_update_url) { | 45 const std::string& in_update_url) { |
| 46 bool stateful_override = !ShouldLockDown(); |
46 os_platform = OmahaRequestParams::kOsPlatform; | 47 os_platform = OmahaRequestParams::kOsPlatform; |
47 os_version = OmahaRequestParams::kOsVersion; | 48 os_version = OmahaRequestParams::kOsVersion; |
48 app_version = in_app_version.empty() ? | 49 app_version = in_app_version.empty() ? |
49 GetLsbValue("CHROMEOS_RELEASE_VERSION", "", NULL, true) : in_app_version; | 50 GetLsbValue("CHROMEOS_RELEASE_VERSION", "", NULL, stateful_override) : |
| 51 in_app_version; |
50 os_sp = app_version + "_" + GetMachineType(); | 52 os_sp = app_version + "_" + GetMachineType(); |
51 os_board = GetLsbValue("CHROMEOS_RELEASE_BOARD", "", NULL, true); | 53 os_board = GetLsbValue("CHROMEOS_RELEASE_BOARD", "", NULL, stateful_override); |
52 app_id = GetLsbValue("CHROMEOS_RELEASE_APPID", | 54 app_id = GetLsbValue("CHROMEOS_RELEASE_APPID", |
53 OmahaRequestParams::kAppId, | 55 OmahaRequestParams::kAppId, |
54 NULL, | 56 NULL, |
55 true); | 57 stateful_override); |
56 app_lang = "en-US"; | 58 app_lang = "en-US"; |
57 app_track = GetLsbValue( | 59 app_track = GetLsbValue( |
58 kUpdateTrackKey, | 60 kUpdateTrackKey, |
59 "", | 61 "", |
60 &chromeos_update_engine::OmahaRequestDeviceParams::IsValidTrack, | 62 &chromeos_update_engine::OmahaRequestDeviceParams::IsValidTrack, |
61 true); | 63 true); // stateful_override |
62 hardware_class = GetHardwareClass(); | 64 hardware_class = GetHardwareClass(); |
63 struct stat stbuf; | 65 struct stat stbuf; |
64 | 66 |
65 // Deltas are only okay if the /.nodelta file does not exist. If we don't | 67 // Deltas are only okay if the /.nodelta file does not exist. If we don't |
66 // know (i.e. stat() returns some unexpected error), then err on the side of | 68 // know (i.e. stat() returns some unexpected error), then err on the side of |
67 // caution and say deltas are not okay. | 69 // caution and say deltas are not okay. |
68 delta_okay = (stat((root_ + "/.nodelta").c_str(), &stbuf) < 0) && | 70 delta_okay = (stat((root_ + "/.nodelta").c_str(), &stbuf) < 0) && |
69 (errno == ENOENT); | 71 (errno == ENOENT); |
70 | 72 |
71 // For now, disable delta updates if the rootfs track is different than the | 73 // For now, disable delta updates if the rootfs track is different than the |
72 // track that we're sending to the update server because such updates are | 74 // track that we're sending to the update server because such updates are |
73 // destined to fail -- the source rootfs hash will be different than the | 75 // destined to fail -- the source rootfs hash will be different than the |
74 // expected hash due to the different track in /etc/lsb-release. | 76 // expected hash due to the different track in /etc/lsb-release. |
75 // | 77 // |
76 // Longer term we should consider an alternative: (a) clients can send | 78 // Longer term we should consider an alternative: (a) clients can send |
77 // (current_version, current_channel, new_channel) information, or (b) the | 79 // (current_version, current_channel, new_channel) information, or (b) the |
78 // build process can make sure releases on separate tracks are identical (i.e, | 80 // build process can make sure releases on separate tracks are identical (i.e, |
79 // by not stamping the release with the channel), or (c) the release process | 81 // by not stamping the release with the channel), or (c) the release process |
80 // can ensure that different channels get different version numbers. | 82 // can ensure that different channels get different version numbers. |
81 const string rootfs_track = GetLsbValue( | 83 const string rootfs_track = GetLsbValue( |
82 kUpdateTrackKey, | 84 kUpdateTrackKey, |
83 "", | 85 "", |
84 &chromeos_update_engine::OmahaRequestDeviceParams::IsValidTrack, | 86 NULL, // No need to validate the read-only rootfs track. |
85 false); | 87 false); // stateful_override |
86 delta_okay = delta_okay && rootfs_track == app_track; | 88 delta_okay = delta_okay && rootfs_track == app_track; |
87 | 89 |
88 update_url = in_update_url.empty() ? | 90 update_url = in_update_url.empty() ? |
89 GetLsbValue("CHROMEOS_AUSERVER", | 91 GetLsbValue("CHROMEOS_AUSERVER", |
90 OmahaRequestParams::kUpdateUrl, | 92 OmahaRequestParams::kUpdateUrl, |
91 NULL, | 93 NULL, |
92 true) : | 94 stateful_override) : |
93 in_update_url; | 95 in_update_url; |
94 return true; | 96 return true; |
95 } | 97 } |
96 | 98 |
97 bool OmahaRequestDeviceParams::SetTrack(const std::string& track) { | 99 bool OmahaRequestDeviceParams::SetTrack(const std::string& track) { |
98 TEST_AND_RETURN_FALSE(IsValidTrack(track)); | 100 TEST_AND_RETURN_FALSE(IsValidTrack(track)); |
99 FilePath kFile(root_ + utils::kStatefulPartition + "/etc/lsb-release"); | 101 FilePath kFile(root_ + utils::kStatefulPartition + "/etc/lsb-release"); |
100 string file_data; | 102 string file_data; |
101 map<string, string> data; | 103 map<string, string> data; |
102 if (file_util::ReadFileToString(kFile, &file_data)) { | 104 if (file_util::ReadFileToString(kFile, &file_data)) { |
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166 string OmahaRequestDeviceParams::GetHardwareClass() const { | 168 string OmahaRequestDeviceParams::GetHardwareClass() const { |
167 string hwid; | 169 string hwid; |
168 if (!file_util::ReadFileToString(FilePath(root_ + kHWIDPath), &hwid)) { | 170 if (!file_util::ReadFileToString(FilePath(root_ + kHWIDPath), &hwid)) { |
169 LOG(ERROR) << "Unable to determine the system hardware qualification ID."; | 171 LOG(ERROR) << "Unable to determine the system hardware qualification ID."; |
170 return ""; | 172 return ""; |
171 } | 173 } |
172 TrimWhitespaceASCII(hwid, TRIM_ALL, &hwid); | 174 TrimWhitespaceASCII(hwid, TRIM_ALL, &hwid); |
173 return hwid; | 175 return hwid; |
174 } | 176 } |
175 | 177 |
176 bool OmahaRequestDeviceParams::IsOfficialBuild() const { | 178 bool OmahaRequestDeviceParams::ShouldLockDown() const { |
177 return force_build_type_ ? forced_official_build_ : utils::IsOfficialBuild(); | 179 if (force_lock_down_) { |
| 180 return forced_lock_down_; |
| 181 } |
| 182 return utils::IsOfficialBuild() && utils::IsNormalBootMode(); |
178 } | 183 } |
179 | 184 |
180 bool OmahaRequestDeviceParams::IsValidTrack(const std::string& track) const { | 185 bool OmahaRequestDeviceParams::IsValidTrack(const std::string& track) const { |
181 static const char* kValidTracks[] = { | 186 static const char* kValidTracks[] = { |
182 "canary-channel", | 187 "canary-channel", |
183 "beta-channel", | 188 "beta-channel", |
184 "dev-channel", | 189 "dev-channel", |
185 }; | 190 }; |
186 if (!IsOfficialBuild()) { | 191 if (!ShouldLockDown()) { |
187 return true; | 192 return true; |
188 } | 193 } |
189 for (size_t t = 0; t < arraysize(kValidTracks); ++t) { | 194 for (size_t t = 0; t < arraysize(kValidTracks); ++t) { |
190 if (track == kValidTracks[t]) { | 195 if (track == kValidTracks[t]) { |
191 return true; | 196 return true; |
192 } | 197 } |
193 } | 198 } |
194 return false; | 199 return false; |
195 } | 200 } |
196 | 201 |
197 void OmahaRequestDeviceParams::SetBuildTypeOfficial(bool is_official) { | 202 void OmahaRequestDeviceParams::SetLockDown(bool lock) { |
198 force_build_type_ = true; | 203 force_lock_down_ = true; |
199 forced_official_build_ = is_official; | 204 forced_lock_down_ = lock; |
200 } | 205 } |
201 | 206 |
202 } // namespace chromeos_update_engine | 207 } // namespace chromeos_update_engine |
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