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2010-09-15(cherry-pick) EMMC support in applypatchDoug Zongker1-102/+175
Let applypatch read and write EMMC partitions as well as MTD ones. This enables incremental updates that include boot image changes, as well as OTA of new recovery partitions. Change-Id: Ib1861219c7ca66dff29ad02d6a0a14e5f03eb4d8
2010-08-13fix bug in applying patchesDoug Zongker1-1/+1
When restarting a patch from crashing in the middle of a large file, we're not finding the correct patch to apply to the copy saved in cache. Change-Id: I41cb2b87d096bb7a28a10c4cf3902facd45d4c9d
2010-08-13remove shadowed variable declarationDoug Zongker1-1/+2
An accidental variable declaration ("int enough_space = ..." instead of "enough_space = " inside a block) shadowing the real one meant we were always using the copy-to-cache path for patching, even when not necessary. Remove it. Enforce an absolute minimum of free space as well, to avoid running into problems patching small files, now that the copy-to-cache path is (inadvertently) well-tested. Change-Id: Idb7d57241a9adcda2e11001fa44f0cd67ce40d19
2010-08-13remove shadowed variable declarationDoug Zongker1-1/+2
An accidental variable declaration ("int enough_space = ..." instead of "enough_space = " inside a block) shadowing the real one meant we were always using the copy-to-cache path for patching, even when not necessary. Remove it. Enforce an absolute minimum of free space as well, to avoid running into problems patching small files, now that the copy-to-cache path is (inadvertently) well-tested. Change-Id: Idb7d57241a9adcda2e11001fa44f0cd67ce40d19
2010-08-13fix bug in applying patchesDoug Zongker1-1/+1
When restarting a patch from crashing in the middle of a large file, we're not finding the correct patch to apply to the copy saved in cache. Change-Id: I41cb2b87d096bb7a28a10c4cf3902facd45d4c9d
2010-08-02Working ASLR implementationHristo Bojinov1-10/+32
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
2010-07-08EMMC support in applypatchDoug Zongker1-102/+175
Let applypatch read and write EMMC partitions as well as MTD ones. This enables incremental updates that include boot image changes, as well as OTA of new recovery partitions. Change-Id: I3766b9e77c639769ddf693b675da51d57f6e6b1d
2010-02-23refactor applypatch and friendsDoug Zongker1-722/+637
Change the applypatch function to take meaningful arguments instead of argc and argv. Move all the parsing of arguments into main.c (for the standalone binary) and into install.c (for the updater function). applypatch() takes patches as Value objects, so we can pass in blobs extracted from the package without ever writing them to temp files. The patching code is changed to read the patch from memory instead of a file. A bunch of compiler warnings (mostly about signed vs unsigned types) are fixed. Support for the IMGDIFF1 format is dropped. (We've been generating IMGDIFF2 packages for some time now.) Change-Id: I217563c500012750f27110db821928a06211323f
2010-02-18relocate applypatch; add type system and new functions to edifyDoug Zongker1-0/+900
- Move applypatch to this package (from build). - Add a rudimentary type system to edify: instead of just returning a char*, functions now return a Value*, which is a struct that can carry different types of value (currently just STRING and BLOB). Convert all functions to this new scheme. - Change the one-argument form of package_extract_file to return a Value of the new BLOB type. - Add read_file() to load a local file and return a blob, and sha1_check() to test a blob (or string) against a set of possible sha1s. read_file() uses the file-loading code from applypatch so it can read MTD partitions as well. This is the start of better integration between applypatch and the rest of edify. b/2361316 - VZW Issue PP628: Continuous reset to Droid logo: framework-res.apk update failed (CR LIBtt59130) Change-Id: Ibd038074749a4d515de1f115c498c6c589ee91e5