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2010-08-02Working ASLR implementationHristo Bojinov1-2/+122
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
2010-07-02support for ext4/EMMC filesystems in updater binaryDoug Zongker1-24/+57
Make the mount and format functions take extra parameters describing the filesystem type and add support for mounting and formatting ext4 filesystems on EMMC. Change recovery to consistently use stdout for status messages instead of mixing stdout and stderr.
2010-02-23refactor applypatch and friendsDoug Zongker1-65/+107
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 Zongker1-52/+184
- 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
2010-02-03bump updater API version to 3; deprecate firmware update commandDoug Zongker1-39/+0
Remove support for the HTC-specific "firmware" update command and the corresponding edify function write_firmware_update(). This functionality is now done by an edify extension library that lives in vendor/htc. Change-Id: I80858951ff10ed8dfff98aefb796bef009e05efb
2010-02-01add a one-argument version of package_extract_fileDoug Zongker1-24/+69
Add a version of package_extract_file that returns the file data as its return value (to be consumed by some other edify function that expects to receive a bunch of binary data as an argument). Lets us avoid having two copies of a big file in memory (extracting it into /tmp, which is a ramdisk, and then having something load it into memory) when doing things like radio updates. Change-Id: Ie26ece5fbae457eb0ddcd8a13d74d78a769fbc70
2009-11-13eclair snapshotJean-Baptiste Queru1-3/+70
2009-09-19delete files before symlinking; log error messagesDoug Zongker1-3/+21
The symlink() function should remove existing files before creating symlinks, so scripts are idempotent. Log messages when various system calls fail (but don't make the whole script fail).
2009-09-10add a run_program() function to edifyDoug Zongker1-0/+49
Handy for producing debugging OTA packages (eg, running sqlite3 or whatever in recovery).
2009-06-25fix off-by-one error in set_perm()Doug Zongker1-1/+1
We were inadvertently skipping over the first filename in the list of arguments.
2009-06-24improve updater progress barDoug Zongker1-3/+21
Let recovery accept set_progress commands to control progress over the 'current segment' of the bar. Add a set_progress() builtin to the updater binary.
2009-06-18add file_getprop() to updaterDoug Zongker1-11/+100
Add a function to read a property from a ".prop"-formatted file (key=value pairs, one per line, ignore # comment lines and blank lines). Move ErrorAbort to the core of edify; it's not specific to updater now that errors aren't stored in the app cookie.
2009-06-12fixes to edify and updater scriptDoug Zongker1-62/+104
A few more changes to edify: - fix write_raw_image(); my last change neglected to close the write context, so the written image was corrupt. - each expression tracks the span of the source code from which it was compiled, so that assert()'s error message can include the source of the expression that failed. - the 'cookie' argument to each Function is replaced with a State object, which contains the cookie, the source script (for use with the above spans), and the current error message (replacing the global variables that were used for this purpose). - in the recovery image, a new command "ui_print" can be sent back through the command pipe to cause text to appear on the screen. Add a new ui_print() function to print things from scripts. Rename existing "print" function to "stdout".
2009-06-12edify extensions for OTA package installation, part 2Doug Zongker1-3/+272
Adds more edify functions for OTAs: is_mounted getprop apply_patch apply_patch_check apply_patch_space write_raw_image write_firmware_image package_extract_file This allows us to install radios, hboots, boot images, and install incremental OTA packages. Fixes a couple of dumb bugs in edify itself: - we were doubling the size of the function table each time it was *not* full, rather than each time it was full - "no such function" errors weren't visible to the parser, so they didn't prevent execution of the script.
2009-06-12edify extensions for OTA package installation, part 1Doug Zongker1-0/+370
Adds the following edify functions: mount unmount format show_progress delete delete_recursive package_extract symlink set_perm set_perm_recursive This set is enough to extract and install the system part of a (full) OTA package. Adds the updater binary that extracts an edify script from the OTA package and then executes it. Minor changes to the edify core (adds a sleep() builtin for debugging, adds "." to the set of characters that can appear in an unquoted string).