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* update_verifier: Fix the wrong computation with group_range_count.Tao Bao2017-10-291-3/+5
| | | | | | | | | | | | | | | | 'group_range_count' doesn't properly consider the pair-wise range structure. It may split the ranges into wrong pairs if it evaluates to an odd number. For example, for an input range string of "6,0,2,10,12,20,22" with 4 threads, group_range_count becomes 1. It would then try to verify (0,2), (2,10), (10,12) and (12,20). Note that (2,10) and (12,20) are not valid ranges to be verified, and with (20,22) uncovered. Bug: 68343761 Test: Trigger update_verifier verification. Check the number of verified blocks against the one in care_map.txt. Change-Id: I7c5769325d9866be06c45e7dbcc0c8ea266de714
* update_verifier now logs to kmesgTianjie Xu2017-08-151-0/+6
| | | | | | | | | Set up update_verifier logging to be written to kmsg; because we may not have Logd during boot time. Bug: 64713327 Test: logs show up in `adb shell dmesg` Change-Id: If02f460bda121cd3e9062bc0e08107c6da66492c
* update_verifier: verify blocks in parallelWei Wang2017-08-101-31/+51
| | | | | | | | | | | | | | | | | | | | | | | | This CL is to change update_verifier to verify blocks in parallel to maximize storage bandwidth, it also preallocate the buffer to avoid vector allocation within reading loop. Test: care_map.txt: system 16,0,517,556,32770,33084,98306,98620,163842,164156,229378,229692,294914,295228,483544,524288,524296 vendor 8,0,119,135,32770,32831,96150,98304,98306 With CL: init: Service 'update_verifier_nonencrypted' (pid 711) exited with status 0 waiting took 2.978424 seconds Without CL: init: Service 'update_verifier_nonencrypted' (pid 695) exited with status 0 waiting took 4.466320 seconds Bug: 63686531 Test: reboot with manual insert care_map.txt Change-Id: Idf791865f15f6ff6cad89bf7ff230ee46c6adccc (cherry picked from commit bd9664b5a01c8941949212973ca12be4df1b5d54)
* update_verifier: Support androidboot.veritymode being empty or 'disabled'.David Zeuthen2017-08-081-4/+17
| | | | | | | | | | | | | Bootloaders using libavb will set androidboot.veritymode=disabled if the "disable dm-verity" flag has been set. Additionally if the "disable verification" flag is set androidboot.veritymode will not be set at all. Handle both cases. Without this fix we'll end up in a bootloop. Test: Manually tested on a device using AVB. Bug: 64315394 Change-Id: I8310849e347248f4a96158838310f688ecef4211
* update_verifier: Handle legacy care_map.txt gracefully.Tao Bao2017-07-221-29/+42
| | | | | | | | | | | | | | | | | | | | | | | | update_verifier should be backward compatible to not reject legacy care_map.txt from old releases, which could otherwise fail to boot into the new release. For example, we've changed the care_map format between N and O. An O update_verifier would fail to work with an N care_map.txt - a) we have switched update_verifier to read from device mapper in O; b) the last few blocks that contain metadata can't be read via device mapper. This could be a result of sideloading an O OTA while the device having a pending N update. Bug: 63544345 Test: As follows on sailfish: 1. Flash the device with this CL; 2. Put a copy of N care_map.txt at /data/ota_package/. Restore the permissions properly ('cache' group); 3. `adb reboot bootloader`; 4. `fastboot set_active <current_slot>` 5. Device boots up into home screen, with a warning in logcat that says it has skipped legacy care_map.txt. Change-Id: I6acc88c9e655a9245e6531f176fef7953953935f
* update_verifier: Support AVB.David Zeuthen2017-05-242-6/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When using AVB, PRODUCT_SUPPORTS_VERITY is not set so check for BOARD_ENABLE_AVB as well. Also AVB sets up the root filesystem as 'vroot' so map that to 'system' since this is what is expected. Managed to test at least that the code is at least compiled in: $ fastboot --set-active=_a Setting current slot to 'a'... OKAY [ 0.023s] finished. total time: 0.023s $ fastboot reboot rebooting... finished. total time: 0.050s $ adb wait-for-device $ adb logcat |grep update_verifier 03-04 05:28:56.773 630 630 I /system/bin/update_verifier: Started with arg 1: nonencrypted 03-04 05:28:56.776 630 630 I /system/bin/update_verifier: Booting slot 0: isSlotMarkedSuccessful=0 03-04 05:28:56.776 630 630 W /system/bin/update_verifier: Failed to open /data/ota_package/care_map.txt: No such file or directory 03-04 05:28:56.788 630 630 I /system/bin/update_verifier: Marked slot 0 as booted successfully. 03-04 05:28:56.788 630 630 I /system/bin/update_verifier: Leaving update_verifier. Bug: None Test: Manually tested on device using AVB bootloader. Change-Id: I13c0fe1cc5d0f397e36f5e62fcc05c8dfee5fd85
* Fix potential OOM in update_verifierTianjie Xu2017-04-271-6/+11
| | | | | | | | | | Limit the size of each read to 1024 * BLOCKSIZE. (Same as the I/O limit of each transfer command for block based OTA). Bug: 37729708 Test: U_V sets slot successfully on sailfish, and it takes about ~20s (no noticeable time increase) Change-Id: I7a6cdc744fe4c0760e09e0afed75b89c16d8eac3
* Separate libupdate_verifier module and add testcases.Tao Bao2017-04-274-16/+90
| | | | | | | | Enable -Wall and expose verify_image() for testing purpose. Test: mmma bootable/recovery Test: recovery_component_test Change-Id: I1ee1db2a775bafdc1112e25a1bc7194d8d6aee4f
* Add 'system' to update_verifier's gidTianjie Xu2017-04-181-2/+2
| | | | | | | | | | | | | | | This addresses the denial to /dev/cpuset/tasks: update_verifier: type=1400 audit(0.0:377): avc: denied { dac_override } for capability=1 scontext=u:r:update_verifier:s0 tcontext=u:r:update_verifier:s0 tclass=capability permissive=1 update_verifier: type=1400 audit(0.0:378): avc: granted { write } for name="tasks" dev="cgroup" ino=5 scontext=u:r:update_verifier:s0 tcontext=u:object_r:cgroup:s0 tclass=file Bug: 37358323 Test: denial message gone after adding system group Change-Id: I66b4925295a13fbc1c6f26a1bb9bd2f9cebcec3d
* Merge "update_verifier: correct group in rc file"Treehugger Robot2017-04-042-3/+3
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| * update_verifier: correct group in rc fileTom Cherry2017-04-042-3/+3
| | | | | | | | | | | | | | | | | | | | | | update_verifier should be in the cache group, not 'class'. Also use PLOG instead of LOG if care_map.txt cannot be opened. Bug: 36818743 Test: boot sailfish Test: fake OTA on sailfish and verify update_verifier reads care_package Change-Id: I0ec844cac5ef5c63b18ebee90160854fd84ee829
* | update_verifier: tweak priority of update_verifier for quick bootWei Wang2017-04-031-2/+2
|/ | | | | | | | | | Highest ioprio is 0 for CFQ and we should run update_verifier with that. Tested on device and showing boottime decreased. Bug: 36511808 Bug: 36102163 Test: Boot marlin Change-Id: Iddd925951d976e21014b61e5590bcdae3cea8470
* Use regular check for partition name instead of CHECK()Tianjie Xu2017-04-011-3/+4
| | | | | | Bug: 36260064 Test: Device reboots for invalid care_map. Change-Id: Id614f0d118fc2b9d9abf24918aa4b4324f4c94e1
* Merge "Update_verifier should read blocks in EIO mode"Tianjie Xu2017-04-011-26/+33
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| * Update_verifier should read blocks in EIO modeTianjie Xu2017-03-311-26/+33
| | | | | | | | | | | | | | | | | | Update_verifier will reboot the device if it fails to read some blocks on the care_map when veritymode=eio. Also make some partition name changes to match the care_map.txt. Test: Update_verifier reboots the device after read failures in eio mode. Change-Id: Icf68e6151dee72f626a9ab72946100cf482a4e6c
* | update_verifier: raise priority and ioprio and start with exec_startTom Cherry2017-03-292-0/+13
|/ | | | | | | | | | | Raise the priority and ioprio of update_verifier and launch with exec_start. This saves ~100ms of time before `class_start main` is executed. Bug: 36511808 Bug: 36102163 Test: Boot bullhead Test: Verify boottime decrease on sailfish Change-Id: I944a6c0d4368ead5b99171f49142da2523ed1bdd
* update_verifier: Set the success flag if dm-verity is not enabled.Tao Bao2017-03-112-0/+9
| | | | | | | | | | For devices that are not using dm-verity, update_verifier can't verify anything, but to mark the successfully booted flag unconditionally. Test: Successfully-booted flag is set on devices w/o dm-verity. Test: Successfully-booted flag is set after verification on devices w/ dm-verity. Change-Id: I79ab2caec2d4284aad0d66dd161adabebde175b6
* update_verifier should read dm wrapped partitionTianjie Xu2017-01-261-6/+64
| | | | | | | | | | | update_verifier used to read from system_block_device, which bypasses dm-verity check completely. Switch update_verifier to read the corresponding '/dev/block/dm-X' instead. U_v gets the verity block device number by comparing the contents in '/sys/block/dm-X/dm/name'. Bug: 34391662 Test: update_verifier detects the corrupped blocks and dm-verity trigger the reboot on Sailfish. Change-Id: Ie5c50c23410bd29fcc6e733ba29cf892e9a07460
* Merge "update_verifier: Move property_get() to android::base::GetProperty()."Tao Bao2017-01-251-48/+46
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| * update_verifier: Move property_get() to android::base::GetProperty().Tao Bao2017-01-201-48/+46
| | | | | | | | | | | | | | | | | | | | Also make minor changes to android::base::ParseUint(), which accepts std::string now. Test: Flash an A/B device and make sure update_verifier works (by marking the active slot as successfully booted). Change-Id: Id6e578671cb3c87160c2b6ca717ee618ecf2342a
* | bootctrl HAL uses "default" service nameChris Phoenix2017-01-201-1/+1
|/ | | | | | | | | | | | | | The getService() and registerAsService() methods of interface objects now have default parameters of "default" for the service name. HALs will not have to use any service name unless they want to register more than one service. Test: builds; verify HAL still works In support of b/33844934 Change-Id: I5ce988128b0471384e1472298a0ae383df2b7c3e Merged-In: I86c44aaaaf663e774c631a469ebf2b81619f89c4
* Switch update verifier to HIDL HALConnor O'Brien2016-11-212-15/+21
| | | | | | | Test: UV logs show success in both binderized and passthrough modes. Bug: 31864052 Change-Id: Ied67a52c458dba7fe600e0fe7eca84db1a9f2587 Signed-off-by: Connor O'Brien <connoro@google.com>
* Revert "Convert update_verifier to boot HIDL HAL"Connor O'Brien2016-11-182-21/+15
| | | | | | | This reverts commit f50593c447faf8415615b5dea2666d7f0f24a0fb. Bug: 32973182 Change-Id: I5b14a812671ea02575cb452242ff1a6f05edb9c1
* Convert update_verifier to boot HIDL HALConnor O'Brien2016-11-162-15/+21
| | | | | | | Test: Flashed device and confirmed update_verifier runs successfully Change-Id: I5bce4ece1e3ba98f57299c9cf469a5e2a5226ff2 Merged-In: I5bce4ece1e3ba98f57299c9cf469a5e2a5226ff2 Signed-off-by: Connor O'Brien <connoro@google.com>
* Touch blocks in care_map in update_verifierTianjie Xu2016-11-092-12/+128
| | | | | | | | | | | | | | Read all blocks in system and vendor partition during boot time so that dm-verity could verify this partition is properly flashed. Bug: 27175949 Change-Id: I38ff7b18ee4f2733e639b89633d36f5ed551c989 Test: mma (cherry picked from commit 03ca853a1c8b974152b7c56cb887ac2f36cfd833) (cherry picked from commit 4bbe0c93c80789891d54a74424731caffda0d0db) (Fix a typo when comparing the verity mode) (cherry picked from commit da654af606d700c0a467c27025fb7f6ef745936d) (Skip update verification if care_map is not found)
* Turn on -Werror for recoveryTianjie Xu2016-09-301-0/+1
| | | | | | | | | | Also remove the 0xff comparison when validating the bootloader message fields. As the fields won't be erased to 0xff after we remove the MTD support. Bug: 28202046 Test: The recovery folder compiles for aosp_x86-eng Change-Id: Ibb30ea1b2b28676fb08c7e92a1e5f7b6ef3247ab
* Switch recovery to libbase loggingTianjie Xu2016-09-012-10/+8
| | | | | | | | Clean up the recovery image and switch to libbase logging. Bug: 28191554 Change-Id: Icd999c3cc832f0639f204b5c36cea8afe303ad35 Merged-In: Icd999c3cc832f0639f204b5c36cea8afe303ad35
* update_verifier: Track the API change for isSlotBootable().Tao Bao2015-12-091-5/+6
| | | | | | | | | [1] added a new API isSlotMarkedSuccessful() to actually query if a given slot has been marked as successful. [1]: commit 72c88c915d957bf2eba73950e7f0407b220d1ef4 Change-Id: I9155c9b9233882a295a9a6e607a844d9125e4c56
* update_verifier: Log to logd instead of kernel log.Tao Bao2015-12-082-12/+8
| | | | | | | | logd already gets started before we call update_verifier. Bug: 26039641 Change-Id: If00669a77bf9a6e5534e33f4e50b42eabba2667a (cherry picked from commit 45eac58ef188679f6df2d80efc0391c6d7904cd8)
* Add update_verifier for A/B OTA update.Tao Bao2015-12-082-0/+108
update_verifier checks the integrity of the updated system and vendor partitions on the first boot post an A/B OTA update. It marks the current slot as having booted successfully if it passes the verification. This CL doesn't perform any actual verification work which will be addressed in follow-up CLs. Bug: 26039641 Change-Id: Ia5504ed25b799b48b5886c2fc68073a360127f42 (cherry picked from commit 1171d3a12b13ca3f1d4301985cf068076e55ae26)
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