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2016-07-14Touch blocks in care_map in update_verifierTianjie Xu1-1/+4
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
2015-12-08update_verifier: Log to logd instead of kernel log.Tao Bao1-1/+1
logd already gets started before we call update_verifier. Bug: 26039641 Change-Id: If00669a77bf9a6e5534e33f4e50b42eabba2667a (cherry picked from commit 45eac58ef188679f6df2d80efc0391c6d7904cd8)
2015-12-08Add update_verifier for A/B OTA update.Tao Bao1-11/+4
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)
2015-11-16recovery: Switch to clangTao Bao1-0/+2
And a few trival fixes to suppress warnings. Change-Id: Id28e3581aaca4bda59826afa80c0c1cdfb0442fc (cherry picked from commit 80e46e08de5f65702fa7f7cd3ef83f905d919bbc)
2015-09-04move uncrypt from init.rc to uncrypt.rcTom Cherry1-0/+2
Move uncrypt from /init.rc to /system/etc/init/uncrypt.rc using the LOCAL_INIT_RC mechanism Bug 23186545 Change-Id: Ib8cb6dffd2212f524298279787fd557bc84aa7b9
2015-08-10Use unique_ptr and unique_fd to manager FDs.Tao Bao1-0/+2
Clean up leaky file descriptors in uncrypt/uncrypt.cpp. Add unique_fd for open() and unique_file for fopen() to close FDs on destruction. Bug: 21496020 Change-Id: I0174db0de9d5f59cd43b44757b8ef0f5912c91a2
2015-06-10Separate uncrypt into two modesTao Bao1-1/+1
uncrypt needs to be triggered to prepare the OTA package before rebooting into the recovery. Separate uncrypt into two modes. In mode 1, it uncrypts the OTA package, but will not reboot the device. In mode 2, it wipes the /misc partition and reboots. Needs matching changes in frameworks/base, system/core and external/sepolicy to work properly. Bug: 20012567 Bug: 20949086 (cherry picked from commit 158e11d6738a751b754d09df7275add589c31191) Change-Id: I349f6d368a0d6f6ee4332831c4cd4075a47426ff
2015-06-03recovery: Switch to clangTao Bao1-0/+2
And a few trival fixes to suppress warnings. Change-Id: I38734b5f4434643e85feab25f4807b46a45d8d65
2015-05-28Separate uncrypt into two modesTao Bao1-1/+1
uncrypt needs to be triggered to prepare the OTA package before rebooting into the recovery. Separate uncrypt into two modes. In mode 1, it uncrypts the OTA package, but will not reboot the device. In mode 2, it wipes the /misc partition and reboots. Needs matching changes in frameworks/base, system/core and external/sepolicy to work properly. Bug: 20012567 Bug: 20949086 Change-Id: I14d25cb62770dd405cb56824d05d649c3a94f315
2015-05-06uncrypt: Switch to C++Tao Bao1-1/+1
Also apply some trivial changes like int -> bool and clean-ups. Change-Id: I5c6c42d34965305c394f4f2de78487bd1174992a (cherry picked from commit 381f455cac0905b023dde79625b06c27b6165dd0)
2015-05-06uncrypt: Switch to C++Tao Bao1-1/+1
Also apply some trivial changes like int -> bool and clean-ups. Change-Id: Ic55fc8b82d7e91b321f69d10175be23d5c04eb92
2014-08-26open misc device in write-only modeDoug Zongker1-1/+1
Opening the misc block device in read-write mode runs afoul of SELinux, which keeps the wipe code from working. Fix. Also change various things to log to logcat so we can see them happening, for future debugging. Bug: 16715412 Change-Id: Ia14066f0a371cd605fcb544547b58a41acca70b9
2014-08-14revert uncrypt back to dynamic linking, fix libsDoug Zongker1-6/+1
Bug: 17029174, 17015157 Change-Id: I1d24f3402875dfb972daa6daef0f385baeff84e9
2014-08-14change uncrypt to static linkingDoug Zongker1-0/+2
Bug: 17015157 Change-Id: I3c4bdcf4f11d44b617bb731a48413e3707044d1c
2014-01-16program to store unencrypted files in an encrypted filesystemDoug Zongker1-8/+9
uncrypt can read a file on an encrypted filesystem and rewrite it to the same blocks on the underlying (unencrypted) block device. This destroys the contents of the file as far as the encrypted filesystem is concerned, but allows the data to be read without the encryption key if you know which blocks of the raw device to access. uncrypt produces a "block map" file which lists the blocks that contain the file. For unencrypted filesystem, uncrypt will produce the block map without touching the data. Bug: 12188746 Change-Id: Ib7259b9e14dac8af406796b429d58378a00c7c63
2010-08-02Working ASLR implementationHristo Bojinov1-0/+27
Separate files for retouch functionality are in minelf/* ASLR for shared libraries is controlled by "-a" in ota_from_target_files. Binary files are self-contained. Retouch logic can recover from crashes. Signed-off-by: Hristo Bojinov <hristo@google.com> Change-Id: I76c596abf4febd68c14f9d807ac62e8751e0b1bd
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