| #!/usr/bin/env python |
| # |
| # Copyright (C) 2008 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| """ |
| Given a target-files zipfile, produces an OTA package that installs |
| that build. An incremental OTA is produced if -i is given, otherwise |
| a full OTA is produced. |
| |
| Usage: ota_from_target_files [flags] input_target_files output_ota_package |
| |
| -b (--board_config) <file> |
| Deprecated. |
| |
| -k (--package_key) <key> |
| Key to use to sign the package (default is |
| "build/target/product/security/testkey"). |
| |
| -i (--incremental_from) <file> |
| Generate an incremental OTA using the given target-files zip as |
| the starting build. |
| |
| -w (--wipe_user_data) |
| Generate an OTA package that will wipe the user data partition |
| when installed. |
| |
| -n (--no_prereq) |
| Omit the timestamp prereq check normally included at the top of |
| the build scripts (used for developer OTA packages which |
| legitimately need to go back and forth). |
| |
| -e (--extra_script) <file> |
| Insert the contents of file at the end of the update script. |
| |
| -m (--script_mode) <mode> |
| Specify 'amend' or 'edify' scripts, or 'auto' to pick |
| automatically (this is the default). |
| |
| """ |
| |
| import sys |
| |
| if sys.hexversion < 0x02040000: |
| print >> sys.stderr, "Python 2.4 or newer is required." |
| sys.exit(1) |
| |
| import copy |
| import os |
| import re |
| import sha |
| import subprocess |
| import tempfile |
| import time |
| import zipfile |
| |
| import common |
| import amend_generator |
| import edify_generator |
| import both_generator |
| |
| OPTIONS = common.OPTIONS |
| OPTIONS.package_key = "build/target/product/security/testkey" |
| OPTIONS.incremental_source = None |
| OPTIONS.require_verbatim = set() |
| OPTIONS.prohibit_verbatim = set(("system/build.prop",)) |
| OPTIONS.patch_threshold = 0.95 |
| OPTIONS.wipe_user_data = False |
| OPTIONS.omit_prereq = False |
| OPTIONS.extra_script = None |
| OPTIONS.script_mode = 'auto' |
| |
| def MostPopularKey(d, default): |
| """Given a dict, return the key corresponding to the largest |
| value. Returns 'default' if the dict is empty.""" |
| x = [(v, k) for (k, v) in d.iteritems()] |
| if not x: return default |
| x.sort() |
| return x[-1][1] |
| |
| |
| def IsSymlink(info): |
| """Return true if the zipfile.ZipInfo object passed in represents a |
| symlink.""" |
| return (info.external_attr >> 16) == 0120777 |
| |
| |
| |
| class Item: |
| """Items represent the metadata (user, group, mode) of files and |
| directories in the system image.""" |
| ITEMS = {} |
| def __init__(self, name, dir=False): |
| self.name = name |
| self.uid = None |
| self.gid = None |
| self.mode = None |
| self.dir = dir |
| |
| if name: |
| self.parent = Item.Get(os.path.dirname(name), dir=True) |
| self.parent.children.append(self) |
| else: |
| self.parent = None |
| if dir: |
| self.children = [] |
| |
| def Dump(self, indent=0): |
| if self.uid is not None: |
| print "%s%s %d %d %o" % (" "*indent, self.name, self.uid, self.gid, self.mode) |
| else: |
| print "%s%s %s %s %s" % (" "*indent, self.name, self.uid, self.gid, self.mode) |
| if self.dir: |
| print "%s%s" % (" "*indent, self.descendants) |
| print "%s%s" % (" "*indent, self.best_subtree) |
| for i in self.children: |
| i.Dump(indent=indent+1) |
| |
| @classmethod |
| def Get(cls, name, dir=False): |
| if name not in cls.ITEMS: |
| cls.ITEMS[name] = Item(name, dir=dir) |
| return cls.ITEMS[name] |
| |
| @classmethod |
| def GetMetadata(cls): |
| """Run the external 'fs_config' program to determine the desired |
| uid, gid, and mode for every Item object.""" |
| p = common.Run(["fs_config"], stdin=subprocess.PIPE, |
| stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
| suffix = { False: "", True: "/" } |
| input = "".join(["%s%s\n" % (i.name, suffix[i.dir]) |
| for i in cls.ITEMS.itervalues() if i.name]) |
| output, error = p.communicate(input) |
| assert not error |
| |
| for line in output.split("\n"): |
| if not line: continue |
| name, uid, gid, mode = line.split() |
| i = cls.ITEMS[name] |
| i.uid = int(uid) |
| i.gid = int(gid) |
| i.mode = int(mode, 8) |
| if i.dir: |
| i.children.sort(key=lambda i: i.name) |
| |
| def CountChildMetadata(self): |
| """Count up the (uid, gid, mode) tuples for all children and |
| determine the best strategy for using set_perm_recursive and |
| set_perm to correctly chown/chmod all the files to their desired |
| values. Recursively calls itself for all descendants. |
| |
| Returns a dict of {(uid, gid, dmode, fmode): count} counting up |
| all descendants of this node. (dmode or fmode may be None.) Also |
| sets the best_subtree of each directory Item to the (uid, gid, |
| dmode, fmode) tuple that will match the most descendants of that |
| Item. |
| """ |
| |
| assert self.dir |
| d = self.descendants = {(self.uid, self.gid, self.mode, None): 1} |
| for i in self.children: |
| if i.dir: |
| for k, v in i.CountChildMetadata().iteritems(): |
| d[k] = d.get(k, 0) + v |
| else: |
| k = (i.uid, i.gid, None, i.mode) |
| d[k] = d.get(k, 0) + 1 |
| |
| # Find the (uid, gid, dmode, fmode) tuple that matches the most |
| # descendants. |
| |
| # First, find the (uid, gid) pair that matches the most |
| # descendants. |
| ug = {} |
| for (uid, gid, _, _), count in d.iteritems(): |
| ug[(uid, gid)] = ug.get((uid, gid), 0) + count |
| ug = MostPopularKey(ug, (0, 0)) |
| |
| # Now find the dmode and fmode that match the most descendants |
| # with that (uid, gid), and choose those. |
| best_dmode = (0, 0755) |
| best_fmode = (0, 0644) |
| for k, count in d.iteritems(): |
| if k[:2] != ug: continue |
| if k[2] is not None and count >= best_dmode[0]: best_dmode = (count, k[2]) |
| if k[3] is not None and count >= best_fmode[0]: best_fmode = (count, k[3]) |
| self.best_subtree = ug + (best_dmode[1], best_fmode[1]) |
| |
| return d |
| |
| def SetPermissions(self, script): |
| """Append set_perm/set_perm_recursive commands to 'script' to |
| set all permissions, users, and groups for the tree of files |
| rooted at 'self'.""" |
| |
| self.CountChildMetadata() |
| |
| def recurse(item, current): |
| # current is the (uid, gid, dmode, fmode) tuple that the current |
| # item (and all its children) have already been set to. We only |
| # need to issue set_perm/set_perm_recursive commands if we're |
| # supposed to be something different. |
| if item.dir: |
| if current != item.best_subtree: |
| script.SetPermissionsRecursive("/"+item.name, *item.best_subtree) |
| current = item.best_subtree |
| |
| if item.uid != current[0] or item.gid != current[1] or \ |
| item.mode != current[2]: |
| script.SetPermissions("/"+item.name, item.uid, item.gid, item.mode) |
| |
| for i in item.children: |
| recurse(i, current) |
| else: |
| if item.uid != current[0] or item.gid != current[1] or \ |
| item.mode != current[3]: |
| script.SetPermissions("/"+item.name, item.uid, item.gid, item.mode) |
| |
| recurse(self, (-1, -1, -1, -1)) |
| |
| |
| def CopySystemFiles(input_zip, output_zip=None, |
| substitute=None): |
| """Copies files underneath system/ in the input zip to the output |
| zip. Populates the Item class with their metadata, and returns a |
| list of symlinks. output_zip may be None, in which case the copy is |
| skipped (but the other side effects still happen). substitute is an |
| optional dict of {output filename: contents} to be output instead of |
| certain input files. |
| """ |
| |
| symlinks = [] |
| |
| for info in input_zip.infolist(): |
| if info.filename.startswith("SYSTEM/"): |
| basefilename = info.filename[7:] |
| if IsSymlink(info): |
| symlinks.append((input_zip.read(info.filename), |
| "/system/" + basefilename)) |
| else: |
| info2 = copy.copy(info) |
| fn = info2.filename = "system/" + basefilename |
| if substitute and fn in substitute and substitute[fn] is None: |
| continue |
| if output_zip is not None: |
| if substitute and fn in substitute: |
| data = substitute[fn] |
| else: |
| data = input_zip.read(info.filename) |
| output_zip.writestr(info2, data) |
| if fn.endswith("/"): |
| Item.Get(fn[:-1], dir=True) |
| else: |
| Item.Get(fn, dir=False) |
| |
| symlinks.sort() |
| return symlinks |
| |
| |
| def SignOutput(temp_zip_name, output_zip_name): |
| key_passwords = common.GetKeyPasswords([OPTIONS.package_key]) |
| pw = key_passwords[OPTIONS.package_key] |
| |
| common.SignFile(temp_zip_name, output_zip_name, OPTIONS.package_key, pw) |
| |
| |
| def AppendAssertions(script, input_zip): |
| device = GetBuildProp("ro.product.device", input_zip) |
| script.AssertDevice(device) |
| |
| info = input_zip.read("OTA/android-info.txt") |
| m = re.search(r"require\s+version-bootloader\s*=\s*(\S+)", info) |
| if m: |
| bootloaders = m.group(1).split("|") |
| script.AssertSomeBootloader(*bootloaders) |
| |
| |
| def MakeRecoveryPatch(output_zip, recovery_img, boot_img): |
| """Generate a binary patch that creates the recovery image starting |
| with the boot image. (Most of the space in these images is just the |
| kernel, which is identical for the two, so the resulting patch |
| should be efficient.) Add it to the output zip, along with a shell |
| script that is run from init.rc on first boot to actually do the |
| patching and install the new recovery image. |
| |
| recovery_img and boot_img should be File objects for the |
| corresponding images. |
| |
| Returns an Item for the shell script, which must be made |
| executable. |
| """ |
| |
| patch = Difference(recovery_img, boot_img, "imgdiff") |
| common.ZipWriteStr(output_zip, "recovery/recovery-from-boot.p", patch) |
| Item.Get("system/recovery-from-boot.p", dir=False) |
| |
| # Images with different content will have a different first page, so |
| # we check to see if this recovery has already been installed by |
| # testing just the first 2k. |
| HEADER_SIZE = 2048 |
| header_sha1 = sha.sha(recovery_img.data[:HEADER_SIZE]).hexdigest() |
| sh = """#!/system/bin/sh |
| if ! applypatch -c MTD:recovery:%(header_size)d:%(header_sha1)s; then |
| log -t recovery "Installing new recovery image" |
| applypatch MTD:boot:%(boot_size)d:%(boot_sha1)s MTD:recovery %(recovery_sha1)s %(recovery_size)d %(boot_sha1)s:/system/recovery-from-boot.p |
| else |
| log -t recovery "Recovery image already installed" |
| fi |
| """ % { 'boot_size': boot_img.size, |
| 'boot_sha1': boot_img.sha1, |
| 'header_size': HEADER_SIZE, |
| 'header_sha1': header_sha1, |
| 'recovery_size': recovery_img.size, |
| 'recovery_sha1': recovery_img.sha1 } |
| common.ZipWriteStr(output_zip, "recovery/etc/install-recovery.sh", sh) |
| return Item.Get("system/etc/install-recovery.sh", dir=False) |
| |
| |
| def WriteFullOTAPackage(input_zip, output_zip): |
| if OPTIONS.script_mode == "auto": |
| script = both_generator.BothGenerator(2) |
| elif OPTIONS.script_mode == "amend": |
| script = amend_generator.AmendGenerator() |
| else: |
| # TODO: how to determine this? We don't know what version it will |
| # be installed on top of. For now, we expect the API just won't |
| # change very often. |
| script = edify_generator.EdifyGenerator(2) |
| |
| if not OPTIONS.omit_prereq: |
| ts = GetBuildProp("ro.build.date.utc", input_zip) |
| script.AssertOlderBuild(ts) |
| |
| AppendAssertions(script, input_zip) |
| |
| script.ShowProgress(0.1, 0) |
| |
| try: |
| common.ZipWriteStr(output_zip, "radio.img", input_zip.read("RADIO/image")) |
| script.WriteFirmwareImage("radio", "radio.img") |
| except KeyError: |
| print "warning: no radio image in input target_files; not flashing radio" |
| |
| script.ShowProgress(0.5, 0) |
| |
| if OPTIONS.wipe_user_data: |
| script.FormatPartition("userdata") |
| |
| script.FormatPartition("system") |
| script.Mount("MTD", "system", "/system") |
| script.UnpackPackageDir("recovery", "/system") |
| script.UnpackPackageDir("system", "/system") |
| |
| symlinks = CopySystemFiles(input_zip, output_zip) |
| script.MakeSymlinks(symlinks) |
| |
| boot_img = File("boot.img", common.BuildBootableImage( |
| os.path.join(OPTIONS.input_tmp, "BOOT"))) |
| recovery_img = File("recovery.img", common.BuildBootableImage( |
| os.path.join(OPTIONS.input_tmp, "RECOVERY"))) |
| i = MakeRecoveryPatch(output_zip, recovery_img, boot_img) |
| |
| Item.GetMetadata() |
| |
| # GetMetadata uses the data in android_filesystem_config.h to assign |
| # the uid/gid/mode of all files. We want to override that for the |
| # recovery patching shell script to make it executable. |
| i.uid = 0 |
| i.gid = 0 |
| i.mode = 0544 |
| Item.Get("system").SetPermissions(script) |
| |
| common.CheckSize(boot_img.data, "boot.img") |
| common.ZipWriteStr(output_zip, "boot.img", boot_img.data) |
| script.ShowProgress(0.2, 0) |
| |
| script.WriteRawImage("boot", "boot.img") |
| script.ShowProgress(0.2, 10) |
| |
| if OPTIONS.extra_script is not None: |
| script.AppendExtra(OPTIONS.extra_script) |
| |
| script.AddToZip(input_zip, output_zip) |
| |
| |
| class File(object): |
| def __init__(self, name, data): |
| self.name = name |
| self.data = data |
| self.size = len(data) |
| self.sha1 = sha.sha(data).hexdigest() |
| |
| def WriteToTemp(self): |
| t = tempfile.NamedTemporaryFile() |
| t.write(self.data) |
| t.flush() |
| return t |
| |
| def AddToZip(self, z): |
| common.ZipWriteStr(z, self.name, self.data) |
| |
| |
| def LoadSystemFiles(z): |
| """Load all the files from SYSTEM/... in a given target-files |
| ZipFile, and return a dict of {filename: File object}.""" |
| out = {} |
| for info in z.infolist(): |
| if info.filename.startswith("SYSTEM/") and not IsSymlink(info): |
| fn = "system/" + info.filename[7:] |
| data = z.read(info.filename) |
| out[fn] = File(fn, data) |
| return out |
| |
| |
| def Difference(tf, sf, diff_program): |
| """Return the patch (as a string of data) needed to turn sf into tf. |
| diff_program is the name of an external program (or list, if |
| additional arguments are desired) to run to generate the diff. |
| """ |
| |
| ttemp = tf.WriteToTemp() |
| stemp = sf.WriteToTemp() |
| |
| ext = os.path.splitext(tf.name)[1] |
| |
| try: |
| ptemp = tempfile.NamedTemporaryFile() |
| if isinstance(diff_program, list): |
| cmd = copy.copy(diff_program) |
| else: |
| cmd = [diff_program] |
| cmd.append(stemp.name) |
| cmd.append(ttemp.name) |
| cmd.append(ptemp.name) |
| p = common.Run(cmd) |
| _, err = p.communicate() |
| if err or p.returncode != 0: |
| print "WARNING: failure running %s:\n%s\n" % (diff_program, err) |
| return None |
| diff = ptemp.read() |
| finally: |
| ptemp.close() |
| stemp.close() |
| ttemp.close() |
| |
| return diff |
| |
| |
| def GetBuildProp(property, z): |
| """Return the fingerprint of the build of a given target-files |
| ZipFile object.""" |
| bp = z.read("SYSTEM/build.prop") |
| if not property: |
| return bp |
| m = re.search(re.escape(property) + r"=(.*)\n", bp) |
| if not m: |
| raise common.ExternalError("couldn't find %s in build.prop" % (property,)) |
| return m.group(1).strip() |
| |
| |
| def GetRecoveryAPIVersion(zip): |
| """Returns the version of the recovery API. Version 0 is the older |
| amend code (no separate binary).""" |
| try: |
| version = zip.read("META/recovery-api-version.txt") |
| return int(version) |
| except KeyError: |
| try: |
| # version one didn't have the recovery-api-version.txt file, but |
| # it did include an updater binary. |
| zip.getinfo("OTA/bin/updater") |
| return 1 |
| except KeyError: |
| return 0 |
| |
| def WriteIncrementalOTAPackage(target_zip, source_zip, output_zip): |
| source_version = GetRecoveryAPIVersion(source_zip) |
| |
| if OPTIONS.script_mode == 'amend': |
| script = amend_generator.AmendGenerator() |
| elif OPTIONS.script_mode == 'edify': |
| if source_version == 0: |
| print ("WARNING: generating edify script for a source that " |
| "can't install it.") |
| script = edify_generator.EdifyGenerator(source_version) |
| elif OPTIONS.script_mode == 'auto': |
| if source_version > 0: |
| script = edify_generator.EdifyGenerator(source_version) |
| else: |
| script = amend_generator.AmendGenerator() |
| else: |
| raise ValueError('unknown script mode "%s"' % (OPTIONS.script_mode,)) |
| |
| print "Loading target..." |
| target_data = LoadSystemFiles(target_zip) |
| print "Loading source..." |
| source_data = LoadSystemFiles(source_zip) |
| |
| verbatim_targets = [] |
| patch_list = [] |
| largest_source_size = 0 |
| for fn in sorted(target_data.keys()): |
| tf = target_data[fn] |
| sf = source_data.get(fn, None) |
| |
| if sf is None or fn in OPTIONS.require_verbatim: |
| # This file should be included verbatim |
| if fn in OPTIONS.prohibit_verbatim: |
| raise common.ExternalError("\"%s\" must be sent verbatim" % (fn,)) |
| print "send", fn, "verbatim" |
| tf.AddToZip(output_zip) |
| verbatim_targets.append((fn, tf.size)) |
| elif tf.sha1 != sf.sha1: |
| # File is different; consider sending as a patch |
| diff_method = "bsdiff" |
| if tf.name.endswith(".gz"): |
| diff_method = "imgdiff" |
| d = Difference(tf, sf, diff_method) |
| if d is not None: |
| print fn, tf.size, len(d), (float(len(d)) / tf.size) |
| if d is None or len(d) > tf.size * OPTIONS.patch_threshold: |
| # patch is almost as big as the file; don't bother patching |
| tf.AddToZip(output_zip) |
| verbatim_targets.append((fn, tf.size)) |
| else: |
| common.ZipWriteStr(output_zip, "patch/" + fn + ".p", d) |
| patch_list.append((fn, tf, sf, tf.size)) |
| largest_source_size = max(largest_source_size, sf.size) |
| else: |
| # Target file identical to source. |
| pass |
| |
| total_verbatim_size = sum([i[1] for i in verbatim_targets]) |
| total_patched_size = sum([i[3] for i in patch_list]) |
| |
| source_fp = GetBuildProp("ro.build.fingerprint", source_zip) |
| target_fp = GetBuildProp("ro.build.fingerprint", target_zip) |
| |
| script.Mount("MTD", "system", "/system") |
| script.AssertSomeFingerprint(source_fp, target_fp) |
| |
| source_boot = File("/tmp/boot.img", |
| common.BuildBootableImage( |
| os.path.join(OPTIONS.source_tmp, "BOOT"))) |
| target_boot = File("/tmp/boot.img", |
| common.BuildBootableImage( |
| os.path.join(OPTIONS.target_tmp, "BOOT"))) |
| updating_boot = (source_boot.data != target_boot.data) |
| |
| source_recovery = File("system/recovery.img", |
| common.BuildBootableImage( |
| os.path.join(OPTIONS.source_tmp, "RECOVERY"))) |
| target_recovery = File("system/recovery.img", |
| common.BuildBootableImage( |
| os.path.join(OPTIONS.target_tmp, "RECOVERY"))) |
| updating_recovery = (source_recovery.data != target_recovery.data) |
| |
| source_radio = source_zip.read("RADIO/image") |
| target_radio = target_zip.read("RADIO/image") |
| updating_radio = (source_radio != target_radio) |
| |
| # The last 0.1 is reserved for creating symlinks, fixing |
| # permissions, and writing the boot image (if necessary). |
| progress_bar_total = 1.0 |
| if updating_boot: |
| progress_bar_total -= 0.1 |
| if updating_radio: |
| progress_bar_total -= 0.3 |
| |
| AppendAssertions(script, target_zip) |
| |
| script.Print("Verifying current system...") |
| |
| pb_verify = progress_bar_total * 0.3 * \ |
| (total_patched_size / |
| float(total_patched_size+total_verbatim_size+1)) |
| |
| for i, (fn, tf, sf, size) in enumerate(patch_list): |
| if i % 5 == 0: |
| next_sizes = sum([i[3] for i in patch_list[i:i+5]]) |
| script.ShowProgress(next_sizes * pb_verify / (total_patched_size+1), 1) |
| |
| script.PatchCheck("/"+fn, tf.sha1, sf.sha1) |
| |
| if updating_boot: |
| d = Difference(target_boot, source_boot, "imgdiff") |
| print "boot target: %d source: %d diff: %d" % ( |
| target_boot.size, source_boot.size, len(d)) |
| |
| common.ZipWriteStr(output_zip, "patch/boot.img.p", d) |
| |
| script.PatchCheck("MTD:boot:%d:%s:%d:%s" % |
| (source_boot.size, source_boot.sha1, |
| target_boot.size, target_boot.sha1)) |
| |
| if patch_list or updating_recovery or updating_boot: |
| script.CacheFreeSpaceCheck(largest_source_size) |
| script.Print("Unpacking patches...") |
| script.UnpackPackageDir("patch", "/tmp/patchtmp") |
| |
| script.Comment("---- start making changes here ----") |
| |
| if OPTIONS.wipe_user_data: |
| script.Print("Erasing user data...") |
| script.FormatPartition("userdata") |
| |
| script.Print("Removing unneeded files...") |
| script.DeleteFiles(["/"+i[0] for i in verbatim_targets] + |
| ["/"+i for i in sorted(source_data) |
| if i not in target_data] + |
| ["/system/recovery.img"]) |
| |
| if updating_boot: |
| # Produce the boot image by applying a patch to the current |
| # contents of the boot partition, and write it back to the |
| # partition. |
| script.Print("Patching boot image...") |
| script.ApplyPatch("MTD:boot:%d:%s:%d:%s" |
| % (source_boot.size, source_boot.sha1, |
| target_boot.size, target_boot.sha1), |
| "-", |
| target_boot.size, target_boot.sha1, |
| source_boot.sha1, "/tmp/patchtmp/boot.img.p") |
| print "boot image changed; including." |
| else: |
| print "boot image unchanged; skipping." |
| |
| if updating_recovery: |
| # Is it better to generate recovery as a patch from the current |
| # boot image, or from the previous recovery image? For large |
| # updates with significant kernel changes, probably the former. |
| # For small updates where the kernel hasn't changed, almost |
| # certainly the latter. We pick the first option. Future |
| # complicated schemes may let us effectively use both. |
| # |
| # A wacky possibility: as long as there is room in the boot |
| # partition, include the binaries and image files from recovery in |
| # the boot image (though not in the ramdisk) so they can be used |
| # as fodder for constructing the recovery image. |
| recovery_sh_item = MakeRecoveryPatch(output_zip, |
| target_recovery, target_boot) |
| script.UnpackPackageDir("recovery", "/system") |
| print "recovery image changed; including as patch from boot." |
| else: |
| print "recovery image unchanged; skipping." |
| |
| if updating_radio: |
| script.ShowProgress(0.3, 10) |
| script.Print("Writing radio image...") |
| script.WriteFirmwareImage("radio", "radio.img") |
| common.ZipWriteStr(output_zip, "radio.img", target_radio) |
| print "radio image changed; including." |
| else: |
| print "radio image unchanged; skipping." |
| |
| script.Print("Patching system files...") |
| pb_apply = progress_bar_total * 0.7 * \ |
| (total_patched_size / |
| float(total_patched_size+total_verbatim_size+1)) |
| for i, (fn, tf, sf, size) in enumerate(patch_list): |
| if i % 5 == 0: |
| next_sizes = sum([i[3] for i in patch_list[i:i+5]]) |
| script.ShowProgress(next_sizes * pb_apply / (total_patched_size+1), 1) |
| script.ApplyPatch("/"+fn, "-", tf.size, tf.sha1, |
| sf.sha1, "/tmp/patchtmp/"+fn+".p") |
| |
| target_symlinks = CopySystemFiles(target_zip, None) |
| |
| target_symlinks_d = dict([(i[1], i[0]) for i in target_symlinks]) |
| temp_script = script.MakeTemporary() |
| Item.GetMetadata() |
| if updating_recovery: |
| recovery_sh_item.uid = 0 |
| recovery_sh_item.gid = 0 |
| recovery_sh_item.mode = 0544 |
| Item.Get("system").SetPermissions(temp_script) |
| |
| # Note that this call will mess up the tree of Items, so make sure |
| # we're done with it. |
| source_symlinks = CopySystemFiles(source_zip, None) |
| source_symlinks_d = dict([(i[1], i[0]) for i in source_symlinks]) |
| |
| # Delete all the symlinks in source that aren't in target. This |
| # needs to happen before verbatim files are unpacked, in case a |
| # symlink in the source is replaced by a real file in the target. |
| to_delete = [] |
| for dest, link in source_symlinks: |
| if link not in target_symlinks_d: |
| to_delete.append(link) |
| script.DeleteFiles(to_delete) |
| |
| if verbatim_targets: |
| pb_verbatim = progress_bar_total * \ |
| (total_verbatim_size / |
| float(total_patched_size+total_verbatim_size+1)) |
| script.ShowProgress(pb_verbatim, 5) |
| script.Print("Unpacking new files...") |
| script.UnpackPackageDir("system", "/system") |
| |
| script.Print("Finishing up...") |
| |
| # Create all the symlinks that don't already exist, or point to |
| # somewhere different than what we want. Delete each symlink before |
| # creating it, since the 'symlink' command won't overwrite. |
| to_create = [] |
| for dest, link in target_symlinks: |
| if link in source_symlinks_d: |
| if dest != source_symlinks_d[link]: |
| to_create.append((dest, link)) |
| else: |
| to_create.append((dest, link)) |
| script.DeleteFiles([i[1] for i in to_create]) |
| script.MakeSymlinks(to_create) |
| |
| # Now that the symlinks are created, we can set all the |
| # permissions. |
| script.AppendScript(temp_script) |
| |
| if OPTIONS.extra_script is not None: |
| scirpt.AppendExtra(OPTIONS.extra_script) |
| |
| script.AddToZip(target_zip, output_zip) |
| |
| |
| def main(argv): |
| |
| def option_handler(o, a): |
| if o in ("-b", "--board_config"): |
| pass # deprecated |
| elif o in ("-k", "--package_key"): |
| OPTIONS.package_key = a |
| elif o in ("-i", "--incremental_from"): |
| OPTIONS.incremental_source = a |
| elif o in ("-w", "--wipe_user_data"): |
| OPTIONS.wipe_user_data = True |
| elif o in ("-n", "--no_prereq"): |
| OPTIONS.omit_prereq = True |
| elif o in ("-e", "--extra_script"): |
| OPTIONS.extra_script = a |
| elif o in ("-m", "--script_mode"): |
| OPTIONS.script_mode = a |
| else: |
| return False |
| return True |
| |
| args = common.ParseOptions(argv, __doc__, |
| extra_opts="b:k:i:d:wne:m:", |
| extra_long_opts=["board_config=", |
| "package_key=", |
| "incremental_from=", |
| "wipe_user_data", |
| "no_prereq", |
| "extra_script=", |
| "script_mode="], |
| extra_option_handler=option_handler) |
| |
| if len(args) != 2: |
| common.Usage(__doc__) |
| sys.exit(1) |
| |
| if OPTIONS.script_mode not in ("amend", "edify", "auto"): |
| raise ValueError('unknown script mode "%s"' % (OPTIONS.script_mode,)) |
| |
| if OPTIONS.extra_script is not None: |
| OPTIONS.extra_script = open(OPTIONS.extra_script).read() |
| |
| print "unzipping target target-files..." |
| OPTIONS.input_tmp = common.UnzipTemp(args[0]) |
| |
| common.LoadMaxSizes() |
| if not OPTIONS.max_image_size: |
| print |
| print " WARNING: Failed to load max image sizes; will not enforce" |
| print " image size limits." |
| print |
| |
| OPTIONS.target_tmp = OPTIONS.input_tmp |
| input_zip = zipfile.ZipFile(args[0], "r") |
| if OPTIONS.package_key: |
| temp_zip_file = tempfile.NamedTemporaryFile() |
| output_zip = zipfile.ZipFile(temp_zip_file, "w", |
| compression=zipfile.ZIP_DEFLATED) |
| else: |
| output_zip = zipfile.ZipFile(args[1], "w", |
| compression=zipfile.ZIP_DEFLATED) |
| |
| if OPTIONS.incremental_source is None: |
| WriteFullOTAPackage(input_zip, output_zip) |
| else: |
| print "unzipping source target-files..." |
| OPTIONS.source_tmp = common.UnzipTemp(OPTIONS.incremental_source) |
| source_zip = zipfile.ZipFile(OPTIONS.incremental_source, "r") |
| WriteIncrementalOTAPackage(input_zip, source_zip, output_zip) |
| |
| output_zip.close() |
| if OPTIONS.package_key: |
| SignOutput(temp_zip_file.name, args[1]) |
| temp_zip_file.close() |
| |
| common.Cleanup() |
| |
| print "done." |
| |
| |
| if __name__ == '__main__': |
| try: |
| main(sys.argv[1:]) |
| except common.ExternalError, e: |
| print |
| print " ERROR: %s" % (e,) |
| print |
| sys.exit(1) |
