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Bug: http://b/20501816
Change-Id: I35efcd8dcec7a6492ba70602d380d9980cdda31f
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Also add missing TEMP_FAILURE_RETRYs on read, write, and lseek.
Bug: http://b/20625546
Change-Id: I03b198e11c1921b35518ee2dd005a7cfcf4fd94b
(cherry picked from commit 7bad7c4646ee8fd8d6e6ed0ffd3ddbb0c1b41a2f)
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Also add missing TEMP_FAILURE_RETRYs on read, write, and lseek.
Bug: http://b/20625546
Change-Id: I03b198e11c1921b35518ee2dd005a7cfcf4fd94b
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When automatically stashing overlapping blocks, should the stash
file already exist due to an explicit stash command, it's not safe
to remove the stash file after the command has completed.
Note that it is safe to assume that the stash file will remain in
place during the execution of the next command, so we don't have
take other measures to preserve overlapping blocks.
The stash file itself will be removed by a free command when it's
no longer needed.
Bug: 20297065
Change-Id: I8ff1a798b94086adff183c5aac03260eb947ae2c
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Change-Id: I7009959043150fabf5853a43ee2448c7fbea176e
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Return NULL to abort the update process. Note that returning ""
won't stop the script.
Change-Id: Ifd108c1356f7c92a905c8776247a8842c6445319
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I've added explanatory comments to mzExtractRecursive because
that function will live on as a utility even after we move the
zip format related logic to libziparchive.
bug: 19472796
Change-Id: Id69db859b9b90c13429134d40ba72c1d7c17aa8e
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I've added explanatory comments to mzExtractRecursive because
that function will live on as a utility even after we move the
zip format related logic to libziparchive.
bug: 19472796
(cherry-picked from commit c9ccdfd7a42de08c47ab771b94dc5b9d1f957b95)
Change-Id: I8b7fb6fa3eafb2e7ac080ef7a7eceb691b252d8a
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warning: format '%lu' expects argument of type 'long unsigned int', but
argument 3 has type 'unsigned int' [-Wformat] sizeof(RangeSet) + num * sizeof(int));
Change-Id: I4a3c6fc8d40c08ea84f8f5ee13f39350e4264027
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Change-Id: I480c02ffedd811f4dda9940ef979a05ff54f1435
Bug: 19410117
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This notice was added for libsyspatch and libxdelta3, but that code
has been removed since.
Change-Id: I4008878ded56ca1d5094a8208728f8c02fe1fe03
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Add support for transfer list version 3, which allows us to
verify the status of each command and resume an interrupted
block based OTA update. Notes on the changes:
- Move the previous BlockImageUpdateFn to a shorter and
reusable PerformBlockImageUpdate, which can be used also
in BlockImageVerifyFn for verification.
- Split individual transfer list commands into separate
functions with unified parameters for clarity, and use
a hash table to locate them during execution.
- Move common block reading and writing to ReadBlocks and
WriteBlocks to reduce code duplication, and rename the
readblock and writeblock to less confusing read_all and
write_all.
The coding style of the new functions follows the existing
style in the updater/edify code.
Needs matching changes from
Ia5c56379f570047f10f0aa7373a1025439495c98
Bug: 18262110
Change-Id: I1e752464134aeb2d396946348e6041acabe13942
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Change-Id: I06ea08400efa511e627be37a4fd70fbdfadea2e6
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When building for 32p, we need to be explicit that we wish to build
the 32bit version of the binaries that will be placed in the recovery
image. The recovery image doesn't actually care... but if we are not
explicit in this, the makefiles will ask for the 64bit binaries but the
Android.mk for the binaries will supply the 32bit images (causing the
build to fail).
Change-Id: Iea2d5f412740c082795da4358765751138a4b167
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This allows tune2fs to be executed from within OTA scripts,
allowing for file system modifications without formatting the
partition
Bug: 18430740
Change-Id: I0c2e05b5ef4a81ecea043e9b7b99b545d18fe5e6
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This allows tune2fs to be executed from within OTA scripts,
allowing for file system modifications without formatting the
partition
Bug: 18430740
Change-Id: I0c2e05b5ef4a81ecea043e9b7b99b545d18fe5e6
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Bug: 18092022
Change-Id: I6c42038ebeb1cfc1e7ca0d3e12310fdce1b990b0
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At the end of the OTA script, we walk through /system, updating
all the permissions on the filesystem, including the UID, GID,
standard UNIX permissions, capabilities, and SELinux labels.
In the case of a symbolic link, however, we want to skip most of
those operations. The UID, GID, UNIX permissions, and capabilities
don't meaningfully apply to symbolic links.
However, that's not true with SELinux labels. The SELinux label on
a symbolic link is important. We need to make sure the label on the
symbolic link is always updated, even if none of the other attributes
are updated.
This change unconditionally updates the SELinux label on the symbolic
link itself. lsetfilecon() is used, so that the link itself is updated,
not what it's pointing to.
In addition, drop the ENOTSUP special case. SELinux has been a
requirement since Android 4.4. Running without filesystem extended
attributes is no longer supported, and we shouldn't even try to handle
non-SELinux updates anymore. (Note: this could be problematic if
these scripts are ever used to produce OTA images for 4.2 devices)
Bug: 18079773
Change-Id: I87f99a1c88fe02bb2914f1884cac23ce1b385f91
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Bug: 18079773
Bug: 18092222
Change-Id: Ifc3f3e123de729dfbb2f49414b3207afa96268d5
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Bug: 18079773
Change-Id: Ic6fddbcbcb6ddb9e1cbd1698df98387c0033ae15
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This should help with reentrant OTAs.
Bug: 18079773
Change-Id: I102fd738e3b450483ecd4471384c12e89fc586e2
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In version 2 of block image diffs, we support a new command to load
data from the image and store it in the "stash table" and then
subsequently use entries in the stash table to fill in missing bits of
source data we're not allowed to read when doing move/bsdiff/imgdiff
commands.
This leads to smaller update packages because we can break cycles in
the ordering of how pieces are updated by storing data away and using
it later, rather than not using the data as input to the patch system
at all. This comes at the cost of the RAM or scratch disk needed to
store the data.
The implementation is backwards compatible; it can still handle the
existing version 1 of the transfer file format.
Change-Id: I4559bfd76d5403859637aeac832f3a5e9e13b63a
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In version 2 of block image diffs, we support a new command to load
data from the image and store it in the "stash table" and then
subsequently use entries in the stash table to fill in missing bits of
source data we're not allowed to read when doing move/bsdiff/imgdiff
commands.
This leads to smaller update packages because we can break cycles in
the ordering of how pieces are updated by storing data away and using
it later, rather than not using the data as input to the patch system
at all. This comes at the cost of the RAM or scratch disk needed to
store the data.
The implementation is backwards compatible; it can still handle the
existing version 1 of the transfer file format.
Change-Id: I7fafe741d86b92d82d46feb2939ecf5a3890dc64
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The comment for the DEBUG_ERASE setting is exactly backwards.
Change-Id: I98ab5828365894217fc78976817a131e7d22d5c1
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Otherwise, overflow problems can occur with images larger than
2G since the offsets will overflow a 32-bit off_t.
Change-Id: I05951a38ebeae83ad2cb938594e8d8adb323e2aa
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
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Superseded by newer code.
Bug: 16984795
Change-Id: I842299f6a02af7ccf51ef2ca174d813ca53deef1
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Superseded by newer code.
Bug: 16984795
Change-Id: I70c1d29dc03287b06ea909d17f729ec51ccb0344
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The computation of file offsets was overflowing for partitions larger
than 2 GB. The parsing of the transfer file could fail at the end if
the data happened to not be properly null-terminated.
Bug: 16984795
Change-Id: I3ce6eb3e54ab7b55aa9bbed252da5a7eacd3317a
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(Cherry-pick back from master.)
Bug: 16984795
Change-Id: Ifa3d8345c5e2a0be86fb28faa080ca82592a96b4
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Bug: 16984795
Change-Id: I90f958446baed83dec658de2430c8fc5e9c3047e
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These error messages include empty parens after each string
substition. Ill-advised cut and paste, probably.
Bug: 16467401
Change-Id: Ib623172d6228354afdcc2e33442cc53a07f0ecbc
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Sometimes renames will move a file into a directory
that does not yet exist. This will create the
parent directories, using the same symlink logic,
to ensure that there is a valid destination.
Bug: 16458395
Change-Id: Iaa005a12ce800c39f4db20f7c25a2a68cb40a52d
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Sometimes renames will move a file into a directory
that does not yet exist. This will create the
parent directories, using the same symlink logic,
to ensure that there is a valid destination.
Change-Id: Iaa005a12ce800c39f4db20f7c25a2a68cb40a52d
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This adds F2FS support
- for wiping a device
- for the install "format" command.
Note: crypto data in "footer" with a default/negative length
is not supported, unlike with "ext4".
Change-Id: I8d141a0d4d14df9fe84d3b131484e9696fcd8870
Signed-off-by: JP Abgrall <jpa@google.com>
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While executing syspatch and package_extract_file() calls with don't
care maps (both of which are used to rewrite the system image in
incremental and full block OTAs, respectively), pass a progress
callback in and use it to update the visible progress bar.
Change-Id: I1d3742d167c1bb2130571eb5103b7795c65ff371
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The default recovery UI will reboot the device when the power key is
pressed 7 times in a row, regardless of what recovery is doing.
Disable this feature during package installation, to minimize the
chance of corrupting the device due to a mid-install reboot. (Debug
packages can explicitly request that the feature be reenabled.)
Change-Id: I20f3ec240ecd344615d452005ff26d8dd7775acf
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The new build.prop for Sprout includes lines of the format:
import xxx.prop
These can be safely ignored when reading the property file.
Change-Id: Ia84a138e71461ffe8e591e88143b9787873def29
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Change-Id: I92d5abd1a628feab3b0246924fab7f97ba3b9d34
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Make package_extract_file() take an optional third argument which is
the pathname (in the package zip) of a map of don't-care regions to
skip over when writing the file.
Modify syspatch() to take source and target don't-care maps and use
them when patching the system partition.
Add the wipe_block_device() function to do a discard of all data on
the partition.
Change-Id: I8c856054edfb6aab2f3e5177f16d9d78add20be4
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updater now depends on the GPL'd libraries libsyspatch and libxdelta3,
so be careful when taking code from this directory.
Change-Id: Ib6f8c50ce7052912b9d81ff96d095f778bf9a3d0
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Change-Id: Id38b08607829bccc031693cc03e60e849903b6f8
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Change-Id: I1541534ee6978ddf8d548433986679ce9507d508
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Older versions of android supported an ASLR system where binaries were
randomly twiddled at OTA install time. Remove support for this; we
now use the ASLR support in the linux kernel.
Change-Id: I8348eb0d6424692668dc1a00e2416fbef6c158a2
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Add the syspatch() function, which can apply xdelta3+xz patches using
the libsyspatch library.
Change-Id: Idc1921e449020923bcaf425a1983bec0833e47ed
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Changes minzip and recovery's file signature verification to work on
memory regions, rather than files.
For packages which are regular files, install.cpp now mmap()s them
into memory and then passes the mapped memory to the verifier and to
the minzip library.
Support for files which are raw block maps (which will be used when we
have packages written to encrypted data partitions) is present but
largely untested so far.
Bug: 12188746
Change-Id: I12cc3e809834745a489dd9d4ceb558cbccdc3f71
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Change-Id: I85726bf736203d602428114145c3b98692580656
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In order to support multi-stage recovery packages, we add the
set_stage() and get_stage() functions, which store a short string
somewhere it can be accessed across invocations of recovery. We also
add reboot_now() which updater can invoke to immediately reboot the
device, without doing normal recovery cleanup. (It can also choose
whether to boot off the boot or recovery partition.)
If the stage string is of the form "#/#", recovery's UI will be
augmented with a simple indicator of what stage you're in, so it
doesn't look like a reboot loop.
Change-Id: I62f7ff0bc802b549c9bcf3cc154a6bad99f94603
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try to process them via patch + rename, instead of
delete + add.
b/11437930
Change-Id: I984349fbc9a8dac4379e00c0d66fc7d22c4eb834
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(cherry picked from commit bac7fba02763ae5e78e8e4ba0bea727330ad953e)
Change-Id: I01c38d7fea088622a8b0bbf2c833fa2d969417af
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set_perm and set_perm_recursive are no longer used. Delete.
(cherry picked from commit 08ef9a957027183dcf55e432441e8fb0d5299aba)
Change-Id: I1bcc90ae19af9df4f0705496c5876987159f75ac
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set_perm and set_perm_recursive are no longer used. Delete.
Change-Id: I3bb40b934b6c093b24b88aa4ed6f3c7de2bb52f0
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Bug: 10183961
Bug: 10186213
Bug: 8985290
Change-Id: I57cb14af59682c5f25f1e091564548bdbf20f74e
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Bug: 10183961
Bug: 10186213
Bug: 8985290
Change-Id: I57cb14af59682c5f25f1e091564548bdbf20f74e
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Introduce two new updater functions:
* set_metadata
* set_metadata_recursive
Long term, these functions are intended to be more flexible replacements
for the following methods:
* set_perm
* set_perm_recursive
Usage:
set_metadata("filename", "key1", "value1", "key2", "value2", ...)
set_metadata_recursive("dirname", "key1", "value1", "key2", "value2", ...)
Description:
set_metadata() and set_metadata_recursive() set the attributes on a file/directory
according to the key/value pairs provided. Today, the following keys are
supported:
* uid
* gid
* mode (set_perm_extd only)
* fmode (set_perm_extd_recursive only)
* dmode (set_perm_extd_recursive only)
* selabel
* capabilities
Unknown keys are logged as warnings, but are not fatal errors.
Examples:
* set_metadata("/system/bin/netcfg", "selabel", "u:object_r:system_file:s0");
This sets the SELinux label of /system/bin/netcfg to u:object_r:system_file:s0.
No other changes occur.
* set_metadata("/system/bin/netcfg", "uid", 0, "gid", 3003, "mode", 02750, "selabel", "u:object_r:system_file:s0", "capabilities", 0x0);
This sets /system/bin/netcfg to uid=0, gid=3003, mode=02750,
selinux label=u:object_r:system_file:s0, and clears the capabilities
associated with the file.
* set_metadata_recursive("/system", "uid", 0, "gid", 0, "fmode", 0644, "dmode", 0755, "selabel", "u:object_r:system_file:s0", "capabilities", 0x0);
All files and directories under /system are set to uid=0, gid=0,
and selinux label=u:object_r:system_file:s0. Directories are set to
mode=0755. Files are set to mode=0644 and all capabilities are cleared.
Bug: 10183961
Bug: 10186213
Bug: 8985290
Change-Id: Ifdcf186a7ed45265511dc493c4036e1ac5e3d0af
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This reverts commit 627eb30f73c29257acaeb6568f3da38880784f7c.
Bug: 10183961
Bug: 10186213
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Modify the OTA installer to understand SELinux filesystem labels.
We do this by introducing new set_perm2 / set_perm2_recursive
calls, which understand SELinux filesystem labels. These filesystem
labels are applied at the same time that we apply the
UID / GID / permission changes.
For compatibility, we preserve the behavior of the existing
set_perm / set_perm_recursive calls.
If the destination kernel doesn't support security labels, don't
fail. SELinux isn't enabled on all kernels.
Bug: 8985290
Change-Id: I99800499f01784199e4918a82e3e2db1089cf25b
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Recovery currently has a random mix of messages printed to stdout and
messages printed to stderr, which can make logs hard to read. Move
everything to stdout.
Change-Id: Ie33bd4a9e1272e731302569cdec918e0534c48a6
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Change-Id: Ifd5a29d459acf101311fa1c220f728c3d0ac2e4e
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Bug: 8580410
Change-Id: Ie60dade81c06589cb0daee431611ded34adef8e6
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Change-Id: Ia96201f20f7838d7d9e8926208977d3f8318ced4
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The bonus data option lets you give an additional blob of uncompressed
data to be used when constructing a patch for chunk #1 of an image.
The same blob must be available at patch time, and can be passed to
the command-line applypatch tool (this feature is not accessible from
edify scripts).
This will be used to reduce the size of recovery-from-boot patches by
storing parts of the recovery ramdisk (the UI images) on the system
partition.
Change-Id: Iac1959cdf7f5e4582f8d434e83456e483b64c02c
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Change-Id: I664f8dc7939f8f902e4775eaaf6476fcd4ab8ed2
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Change-Id: I4154db066865d6031caa3c2c3b94064b2f28076e
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Full OTAs currently fail if the build contains a directory containing
only symlinks, because nothing creates that directory. Change the
symlink() command to create any ancestor directories that don't exist.
They're created as owner root perms 0700 because we assume that in
practice subsequent set_perm_recursive() calls will fix up their
ownership and permissions.
Change-Id: I4681cbc85863d9778e36b924f0532b2b3ef14310
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Change-Id: I664f8dc7939f8f902e4775eaaf6476fcd4ab8ed2
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Change-Id: I4154db066865d6031caa3c2c3b94064b2f28076e
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libext4_utils requires libsparse, link against it as well.
Change-Id: I4d6aec0e5edcf1ed42118b7b77adcded2858d3dd
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instead of creating the list file whenever loading the Android.mk
Change-Id: I78e4820754399dff3993a863eede8b75da9f6d29
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Requires I5a63fd61a7e74d386d0803946d06bcf2fa8a857e
Change-Id: Ica5fb73d6f2ffb981b74d1896538988dbc4d9b24
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Extend minzip, recovery, and updater to set the security context on
files based on the file_contexts configuration included in the package.
Change-Id: Ied379f266a16c64f2b4dca15dc39b98fcce16f29
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It's surprising if these fail, so abort the whole edify script to
catch any problems early.
Bug: 2284848
Change-Id: Ia2a0b60e7f086fc590b242616028905a229c9e05
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Removes the retouch_binaries and undo_retouch_binaries from updater;
newly generated OTA packages should not call them any more.
Note that applypatch retains the ability to unretouch a file as it
reads it. This will be needed as long as we want to support OTAs from
devices that were installed with retouching.
Change-Id: Ib3f6baeae90c84ba85983f626d821ab7e436ceb2
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libext4_utils now calls libselinux in order to determine the
file security context to set on files when creating ext4 images.
Change-Id: I09fb9d563d22ee106bf100eacd4cd9c6300b1152
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Replace the device-specific functions with a class. Move some of the
key handling (for log visibility toggling and rebooting) into the UI
class. Fix up the key handling so there is less crosstalk between the
immediate keys and the queued keys (an increasing annoyance on
button-limited devices).
Change-Id: I698f6fd21c67a1e55429312a0484b6c393cad46f
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Replace the device-specific functions with a class. Move some of the
key handling (for log visibility toggling and rebooting) into the UI
class. Fix up the key handling so there is less crosstalk between the
immediate keys and the queued keys (an increasing annoyance on
button-limited devices).
Change-Id: I8bdea6505da7974631bf3d9ac3ee308f8c0f76e1
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updater now has a function "wipe_cache();" which causes recovery to
wipe the cache partition after the successful installation of the
package. Move log copying around a bit so logs and the last_install
flag file are copied to cache after it's wiped.
Bug: 5314244
Change-Id: Id35a9eb6dcd626c8f3a3a0076074f462ed3d44bd
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Change-Id: I787c086223b674050c0a12fc575add9badb471af
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diff: out/target/product/generic/obj/PACKAGING/updater_extensions_intermediates/register.inc.list:
No such file or directory
Change-Id: I269b1703b6091b343db45b1c5cdd0962c738788b
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write_raw_image() can now take either a blob or a filename as the
source. The blob format eliminates the need for a temp file.
Change-Id: I0c6effec53d47862040efcec75e64b7c951cdcf7
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When formatting /data, if it's an ext4 filesystem, reserve the
last 16 Kbytes for the crypto footer.
Change-Id: I7b401d851ee87732e5da5860df0287a1c331c5b7
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Change-Id: Id96e98da76b3091987b01651f980797b1d6b49d8
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Change-Id: Ie6e309b127e80cd6475f1deaa5dbadf9f5cc2746
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Change-Id: I9d34e491022d7dfed653a861b0728a0a656f1fbe
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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.
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Close the update package before invoking the binary, to allow the
installer to unmount /cache if it wants to. Add a function to allow
remounting of a mount as read-only.
Change-Id: Idfcc96c3da66083295177f729263560be58034e4
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An extra parameter was added to the make_ext4fs() function, we these tools need
to be updated to match.
Change-Id: Id640a7f2b03153eb333b00337f0f991ff5332349
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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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This CL removes the following line from the top of build logs:
"diff: out/target/product/*/obj/PACKAGING/updater_extensions_intermediates/register.inc.list: No such file or directory"
Change-Id: I79c15a69a0b1b0da0e45620b45a7a0fea5625250
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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.
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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
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- 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
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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
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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
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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).
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Handy for producing debugging OTA packages (eg, running sqlite3 or
whatever in recovery).
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updater (which is only needed in OTA packages) is getting included in
/system/bin, where it just takes up (quite a bit of) space. Use the
hack of including it only in eng builds so it's not there for user
builds.
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We were inadvertently skipping over the first filename in the list of
arguments.
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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.
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Allow devices (in BoardConfig.mk) to define additional static
libraries to be linked in to updater, to make device-specific
functions available in edify scripts. Modify the updater makefile to
arrange for device libraries to register their edify functions.
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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.
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To do a firmware-install-on-reboot, the update binary tells recovery
what file to install before rebooting. Let this file be specified as
"PACKAGE:<foo>" to indicate taking the file out of the OTA package,
avoiding an extra copy to /tmp. Bump the API version number to
reflect this change.
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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".
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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.
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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).
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