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2018-08-06Add an updater function to compute hash treeTianjie Xu1-0/+1
The new command is part of the transfer.list and allows us to compute the hash tree on non-ab devices. The required arguments for the hash_tree computation are: hash_tree_ranges source_ranges hash_algorithm salt_hex root_hash Bug: 25170618 Test: unit tests pass; run simulator with compute_hash_tree Change-Id: I8ff0d582cc8adabb8a060db7845f38b35b28e62c
2018-07-17Fix the arguments passed to getopt_long(3).Tao Bao1-0/+5
The getopt_long(3) implementation in Android (upstream freebsd) expects a null-terminated array while parsing long options with required args. if (long_options[match].has_arg == required_argument) { optarg = nargv[optind++]; } ... if (long_options[match].has_arg == required_argument && optarg == NULL) { return (BADARG); } This seems to make sense in practice, as getopt(3) takes the first two arguments of argc and argv that are "as passed to the main() function on program invocation", and both of C and C++ spec say "the value of argv[argc] shall be 0". Prior to the CL, we may run into undefined behavior on malformed input command line (e.g. missing arg for an option that requires one). This CL fixes the issue by always appending a nullptr to the argument list (but without counting that into argc). Test: Build and boot into recovery with commands. Change-Id: Ic6c37548f4db2f30aeabd40f387ca916eeca5392
2018-06-19Drop the dependency on AB_OTA_UPDATER flag.Tao Bao1-0/+10
This shortens the gap between A/B and non-A/B builds, by replacing the dependency on build-time flag with runtime detection instead. It also allows building and testing both paths regardless of the target OTA type. The size increase to /sbin/recovery looks negligible (< 0.01%). - marlin: increased from 2084928 to 2085024; - angler: increased from 2084776 to 2084896. Test: Run recovery_component_test on angler and marlin. Test: Sideload an A/B OTA package on marlin. Test: Sideload a non-A/B OTA package on angler. Change-Id: I1d927d1ede9713fb42f73b4fe324aa5705ee6f99
2018-05-09tests: Add tests for ScreenRecoveryUI.Tao Bao1-0/+10
In order to support that, this CL adds Paths::set_resource_dir() to override the default resource dir ("/res/images/") that's only available under recovery. Note that since there're external modules depending on libminui, it adds a separate function of res_set_resource_dir(), instead of requiring the dependency on libotautil for everyone. Test: mmma -j bootable/recovery Test: Run recovery_unit_test on marlin. Change-Id: I0a7dcf4476808bea9e634eaffc9676f6cbaf92b7
2018-05-04Move reboot() from common.h into otautil/sysutil.h.Tao Bao1-0/+4
This breaks the dependency on common.h (which belongs to recovery/librecovery) from librecovery_ui. reboot() is now owned by libotautil, which is expected to be a leaf node to be depended on. With the change, recovery and updater also share the same reboot() code now. Test: mmma -j bootable/recovery Change-Id: I1cc5d702cfe49302048db33d31c9c87ddc97ac71
2018-05-04otautil: Rename dir/sys/thermal utils.Tao Bao3-0/+0
Test: mmma -j bootable/recovery Change-Id: I32ab98549e91f993364306e4a88dc654221b3869
2018-04-28Merge libmounts into libotautil.Tao Bao1-0/+25
Export its header (mounts.h) from there, and drop the dot dot dependency from libupdater / updater. Test: mmma bootable/recovery Test: recovery_component_test Change-Id: Ic26a6b9b78a34dbe1f178b138f3abaafffbec44c
2018-04-26Rename CacheLocation to Paths.Tao Bao2-79/+98
We have a general need for overriding more paths (e.g. "/tmp"), mostly for testing purpose. Rename CacheLocation to Paths, and use that to manage TEMPORARY_{INSTALL,LOG}_FILE. Test: mmma -j bootable/recovery Test: recovery_component_test Change-Id: Ia8ce8e5695df37ca434f13ac4d3206de1e8e9396
2018-04-13Remove the old log files if cache space is insufficient for OTATianjie Xu1-0/+10
We set the limit of the max stash size to 80% of cache size. But the cache space can still be insufficient for the update if the log files occupy a large chunk of /cache. So remove the old logs for now to make room for the update. Bug: 77528881 Test: unit tests pass Change-Id: Ia8bcb0ace11f8164ad9290bfb360e08e31d282cb
2018-03-08Set the update locations to default in CacheLocation's constructorTianjie Xu1-4/+1
Otherwise the applypatch executable will fail to back up the source file to /cache when patching the recovery image. Bug: 74198354 Test: run applypatch from boot to recovery (cherry picked from commit b4e3a370bf6fe2bbb6ad8e33d16ce3210595aaef) Change-Id: I37b7fd88d66ab49ef953d4b7dca22577bd1472e1
2018-03-08Set the update locations to default in CacheLocation's constructorTianjie Xu1-4/+1
Otherwise the applypatch executable will fail to back up the source file to /cache when patching the recovery image. Bug: 74198354 Test: run applypatch from boot to recovery Change-Id: I6e5b9cd06d6ed0b26066b779a348437ecf984b92
2018-02-28Add a singleton CacheLocation to replace the hard coded locationsTianjie Xu1-0/+72
This class allows us to set the following locations dynamically: cache_temp_source, last_command_file, stash_directory_base. In the updater's main function, we reset the values of these variables to their default locations in /cache; while we can set them to temp files in unit tests or host simulation. Test: unit tests pass Change-Id: I528652650caa41373617ab055d41b1f1a4ec0f87
2017-11-09Load-balancing update_verifier worker threads.Tao Bao1-0/+8
Prior to this CL, the block verification works were assigned based on the pattern of the ranges, which could lead to unbalanced workloads. This CL adds RangeSet::Split() and moves update_verifier over. a) For the following care_map.txt on walleye: system 20,0,347,348,540,556,32770,33084,98306,98620,163842,164156,229378,229692,294914,295228,524289,524291,524292,524348,529059 vendor 8,0,120,135,32770,32831,94564,98304,98306 Measured the time costs prior to and with this CL with the following script. $ cat test_update_verifier.sh #!/bin/sh adb shell stop adb shell "cp /data/local/tmp/care_map.txt /data/ota_package/" for i in $(seq 1 50) do echo "Iteration: $i" adb shell "bootctl set-active-boot-slot 0" adb shell "echo 3 > /proc/sys/vm/drop_caches" adb shell "time /data/local/tmp/update_verifier" sleep 3 done Without this CL, the average time cost is 5.66s, while with the CL it's reduced to 3.2s. b) For the following care_map.txt, measured the performance on marlin: system 18,0,271,286,457,8350,32770,33022,98306,98558,163842,164094,196609,204800,229378,229630,294914,295166,501547 vendor 10,0,42,44,85,2408,32770,32806,32807,36902,74242 It takes 12.9s and 5.6s without and with the CL respectively. Fixes: 68553827 Test: recovery_unit_test Test: Flash new build and trigger update_verifier. Check the balanced block verification. Change-Id: I5fa4bf09a84e6b9b0975ee5f522724464181333f
2017-11-07otautil: Remove the aborts in RangeSet::Parse().Tao Bao1-11/+31
We used to CHECK and abort on parsing errors. While it works fine for the updater use case (because recovery starts updater in a forked process and collects the process exit code), it's difficult for other clients to use RangeSet as a library (e.g. update_verifier). This CL switches the aborts to returning empty RangeSet instead. Callers need to check the parsing results explicitly. The CL also separates RangeSet::PushBack() into a function, and moves SortedRangeSet::Clear() into RangeSet. Test: recovery_unit_test Test: Sideload an OTA package with the new updater on angler. Test: Sideload an OTA package with injected range string errors. The updater aborts from the explicit checks. Change-Id: If2b7f6f41dc93af917a21c7877a83e98dc3fd016
2017-10-16otautil: Move RangeSet implementation into rangeset.cpp.Tao Bao1-151/+15
Since it has grown much larger, users of the header shouldn't compile and carry their full copies. Also add missing header includes in imgdiff.cpp and imgdiff_test.cpp. Test: mmma bootable/recovery Test: recovery_unit_test; recovery_component_test; recovery_host_test Change-Id: I88ca54171765e5606ab0d61580fbc1ada578fd7d
2017-10-11Move rangeset.h and print_sha1.h into otautil.Tao Bao2-0/+325
Also drop the "bootable/recovery" path in LOCAL_C_INCLUDES from applypatch modules. Test: lunch aosp_{angler,bullhead,fugu,dragon,sailfish}-userdebug; mmma bootable/recovery Change-Id: Idd602a796894f971ee4f8fa3eafe36c42d9de986
2017-10-09Revert "Revert "Move error_code.h into otautil.""Tao Bao1-0/+78
This reverts commit 26436d6d6010d5323349af7e119ff8f34f85c40c to re-land "Move error_code.h into otautil.". This way it stops requiring relative path ".." in LOCAL_C_INCLUDES (uncrypt and edify). Soong doesn't accept non-local ".." in "local_include_dirs". This CL needs to land with device-specific module changes (e.g. adding the dependency on libotautil). Test: lunch aosp_{angler,bullhead,dragon,fugu,sailfish}-userdebug; mmma bootable/recovery Change-Id: If193241801af2dae73eccd31ce57cd2b81c9fd96
2017-10-05Revert "Move error_code.h into otautil."Tao Bao1-78/+0
This reverts commit 623fe7e701d5d0fb17082d1ced14498af1b44e5b. Reason for revert: Need to address device-specific modules. Change-Id: Ib7a4191e7f193dfff49b02d3de76dda856800251
2017-10-04Move error_code.h into otautil.Tao Bao1-0/+78
This way it stops requiring relative path ".." in LOCAL_C_INCLUDES (uncrypt and edify). Soong doesn't accept non-local ".." in "local_include_dirs". Test: mmma bootable/recovery Change-Id: Ia4649789cef2aaeb2785483660e9ea5a8b389c62
2017-10-03otautil: Export headers.Tao Bao3-0/+116
Test: mmma bootable/recovery Change-Id: Ic01b68e2a394d578fc9fc09da2dabe9061b98122