Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | # |
| 3 | # Copyright (C) 2008 The Android Open Source Project |
| 4 | # |
| 5 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | # you may not use this file except in compliance with the License. |
| 7 | # You may obtain a copy of the License at |
| 8 | # |
| 9 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | # |
| 11 | # Unless required by applicable law or agreed to in writing, software |
| 12 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | # See the License for the specific language governing permissions and |
| 15 | # limitations under the License. |
| 16 | |
| 17 | """ |
| 18 | Given a target-files zipfile, produces an OTA package that installs |
| 19 | that build. An incremental OTA is produced if -i is given, otherwise |
| 20 | a full OTA is produced. |
| 21 | |
| 22 | Usage: ota_from_target_files [flags] input_target_files output_ota_package |
| 23 | |
| 24 | -b (--board_config) <file> |
Doug Zongker | fdd8e69 | 2009-08-03 17:27:48 -0700 | [diff] [blame] | 25 | Deprecated. |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 26 | |
Doug Zongker | afb32ea | 2011-09-22 10:28:04 -0700 | [diff] [blame] | 27 | -k (--package_key) <key> Key to use to sign the package (default is |
| 28 | the value of default_system_dev_certificate from the input |
| 29 | target-files's META/misc_info.txt, or |
| 30 | "build/target/product/security/testkey" if that value is not |
| 31 | specified). |
| 32 | |
| 33 | For incremental OTAs, the default value is based on the source |
| 34 | target-file, not the target build. |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 35 | |
| 36 | -i (--incremental_from) <file> |
| 37 | Generate an incremental OTA using the given target-files zip as |
| 38 | the starting build. |
| 39 | |
Doug Zongker | dbfaae5 | 2009-04-21 17:12:54 -0700 | [diff] [blame] | 40 | -w (--wipe_user_data) |
| 41 | Generate an OTA package that will wipe the user data partition |
| 42 | when installed. |
| 43 | |
Doug Zongker | 962069c | 2009-04-23 11:41:58 -0700 | [diff] [blame] | 44 | -n (--no_prereq) |
| 45 | Omit the timestamp prereq check normally included at the top of |
| 46 | the build scripts (used for developer OTA packages which |
| 47 | legitimately need to go back and forth). |
| 48 | |
Doug Zongker | 1c390a2 | 2009-05-14 19:06:36 -0700 | [diff] [blame] | 49 | -e (--extra_script) <file> |
| 50 | Insert the contents of file at the end of the update script. |
| 51 | |
Hristo Bojinov | dafb042 | 2010-08-26 14:35:16 -0700 | [diff] [blame] | 52 | -a (--aslr_mode) <on|off> |
| 53 | Specify whether to turn on ASLR for the package (on by default). |
Stephen Smalley | 56882bf | 2012-02-09 13:36:21 -0500 | [diff] [blame] | 54 | |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 55 | """ |
| 56 | |
| 57 | import sys |
| 58 | |
| 59 | if sys.hexversion < 0x02040000: |
| 60 | print >> sys.stderr, "Python 2.4 or newer is required." |
| 61 | sys.exit(1) |
| 62 | |
| 63 | import copy |
Doug Zongker | c18736b | 2009-09-30 09:20:32 -0700 | [diff] [blame] | 64 | import errno |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 65 | import os |
| 66 | import re |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 67 | import subprocess |
| 68 | import tempfile |
| 69 | import time |
| 70 | import zipfile |
| 71 | |
david | cad0bb9 | 2011-03-15 14:21:38 +0000 | [diff] [blame] | 72 | try: |
| 73 | from hashlib import sha1 as sha1 |
| 74 | except ImportError: |
| 75 | from sha import sha as sha1 |
| 76 | |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 77 | import common |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 78 | import edify_generator |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 79 | |
| 80 | OPTIONS = common.OPTIONS |
Doug Zongker | afb32ea | 2011-09-22 10:28:04 -0700 | [diff] [blame] | 81 | OPTIONS.package_key = None |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 82 | OPTIONS.incremental_source = None |
| 83 | OPTIONS.require_verbatim = set() |
| 84 | OPTIONS.prohibit_verbatim = set(("system/build.prop",)) |
| 85 | OPTIONS.patch_threshold = 0.95 |
Doug Zongker | dbfaae5 | 2009-04-21 17:12:54 -0700 | [diff] [blame] | 86 | OPTIONS.wipe_user_data = False |
Doug Zongker | 962069c | 2009-04-23 11:41:58 -0700 | [diff] [blame] | 87 | OPTIONS.omit_prereq = False |
Doug Zongker | 1c390a2 | 2009-05-14 19:06:36 -0700 | [diff] [blame] | 88 | OPTIONS.extra_script = None |
Hristo Bojinov | dafb042 | 2010-08-26 14:35:16 -0700 | [diff] [blame] | 89 | OPTIONS.aslr_mode = True |
Doug Zongker | 761e642 | 2009-09-25 10:45:39 -0700 | [diff] [blame] | 90 | OPTIONS.worker_threads = 3 |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 91 | |
| 92 | def MostPopularKey(d, default): |
| 93 | """Given a dict, return the key corresponding to the largest |
| 94 | value. Returns 'default' if the dict is empty.""" |
| 95 | x = [(v, k) for (k, v) in d.iteritems()] |
| 96 | if not x: return default |
| 97 | x.sort() |
| 98 | return x[-1][1] |
| 99 | |
| 100 | |
| 101 | def IsSymlink(info): |
| 102 | """Return true if the zipfile.ZipInfo object passed in represents a |
| 103 | symlink.""" |
| 104 | return (info.external_attr >> 16) == 0120777 |
| 105 | |
Hristo Bojinov | 96be720 | 2010-08-02 10:26:17 -0700 | [diff] [blame] | 106 | def IsRegular(info): |
| 107 | """Return true if the zipfile.ZipInfo object passed in represents a |
| 108 | symlink.""" |
| 109 | return (info.external_attr >> 28) == 010 |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 110 | |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 111 | class Item: |
| 112 | """Items represent the metadata (user, group, mode) of files and |
| 113 | directories in the system image.""" |
| 114 | ITEMS = {} |
| 115 | def __init__(self, name, dir=False): |
| 116 | self.name = name |
| 117 | self.uid = None |
| 118 | self.gid = None |
| 119 | self.mode = None |
| 120 | self.dir = dir |
| 121 | |
| 122 | if name: |
| 123 | self.parent = Item.Get(os.path.dirname(name), dir=True) |
| 124 | self.parent.children.append(self) |
| 125 | else: |
| 126 | self.parent = None |
| 127 | if dir: |
| 128 | self.children = [] |
| 129 | |
| 130 | def Dump(self, indent=0): |
| 131 | if self.uid is not None: |
| 132 | print "%s%s %d %d %o" % (" "*indent, self.name, self.uid, self.gid, self.mode) |
| 133 | else: |
| 134 | print "%s%s %s %s %s" % (" "*indent, self.name, self.uid, self.gid, self.mode) |
| 135 | if self.dir: |
| 136 | print "%s%s" % (" "*indent, self.descendants) |
| 137 | print "%s%s" % (" "*indent, self.best_subtree) |
| 138 | for i in self.children: |
| 139 | i.Dump(indent=indent+1) |
| 140 | |
| 141 | @classmethod |
| 142 | def Get(cls, name, dir=False): |
| 143 | if name not in cls.ITEMS: |
| 144 | cls.ITEMS[name] = Item(name, dir=dir) |
| 145 | return cls.ITEMS[name] |
| 146 | |
| 147 | @classmethod |
Doug Zongker | 283e2a1 | 2010-03-15 17:52:32 -0700 | [diff] [blame] | 148 | def GetMetadata(cls, input_zip): |
| 149 | |
| 150 | try: |
| 151 | # See if the target_files contains a record of what the uid, |
| 152 | # gid, and mode is supposed to be. |
| 153 | output = input_zip.read("META/filesystem_config.txt") |
| 154 | except KeyError: |
| 155 | # Run the external 'fs_config' program to determine the desired |
| 156 | # uid, gid, and mode for every Item object. Note this uses the |
| 157 | # one in the client now, which might not be the same as the one |
| 158 | # used when this target_files was built. |
| 159 | p = common.Run(["fs_config"], stdin=subprocess.PIPE, |
| 160 | stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
| 161 | suffix = { False: "", True: "/" } |
| 162 | input = "".join(["%s%s\n" % (i.name, suffix[i.dir]) |
| 163 | for i in cls.ITEMS.itervalues() if i.name]) |
Doug Zongker | 3475d36 | 2010-03-17 16:39:30 -0700 | [diff] [blame] | 164 | output, error = p.communicate(input) |
Doug Zongker | 283e2a1 | 2010-03-15 17:52:32 -0700 | [diff] [blame] | 165 | assert not error |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 166 | |
| 167 | for line in output.split("\n"): |
| 168 | if not line: continue |
| 169 | name, uid, gid, mode = line.split() |
Doug Zongker | 283e2a1 | 2010-03-15 17:52:32 -0700 | [diff] [blame] | 170 | i = cls.ITEMS.get(name, None) |
| 171 | if i is not None: |
| 172 | i.uid = int(uid) |
| 173 | i.gid = int(gid) |
| 174 | i.mode = int(mode, 8) |
| 175 | if i.dir: |
| 176 | i.children.sort(key=lambda i: i.name) |
| 177 | |
| 178 | # set metadata for the files generated by this script. |
| 179 | i = cls.ITEMS.get("system/recovery-from-boot.p", None) |
| 180 | if i: i.uid, i.gid, i.mode = 0, 0, 0644 |
| 181 | i = cls.ITEMS.get("system/etc/install-recovery.sh", None) |
| 182 | if i: i.uid, i.gid, i.mode = 0, 0, 0544 |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 183 | |
| 184 | def CountChildMetadata(self): |
| 185 | """Count up the (uid, gid, mode) tuples for all children and |
| 186 | determine the best strategy for using set_perm_recursive and |
| 187 | set_perm to correctly chown/chmod all the files to their desired |
| 188 | values. Recursively calls itself for all descendants. |
| 189 | |
| 190 | Returns a dict of {(uid, gid, dmode, fmode): count} counting up |
| 191 | all descendants of this node. (dmode or fmode may be None.) Also |
| 192 | sets the best_subtree of each directory Item to the (uid, gid, |
| 193 | dmode, fmode) tuple that will match the most descendants of that |
| 194 | Item. |
| 195 | """ |
| 196 | |
| 197 | assert self.dir |
| 198 | d = self.descendants = {(self.uid, self.gid, self.mode, None): 1} |
| 199 | for i in self.children: |
| 200 | if i.dir: |
| 201 | for k, v in i.CountChildMetadata().iteritems(): |
| 202 | d[k] = d.get(k, 0) + v |
| 203 | else: |
| 204 | k = (i.uid, i.gid, None, i.mode) |
| 205 | d[k] = d.get(k, 0) + 1 |
| 206 | |
| 207 | # Find the (uid, gid, dmode, fmode) tuple that matches the most |
| 208 | # descendants. |
| 209 | |
| 210 | # First, find the (uid, gid) pair that matches the most |
| 211 | # descendants. |
| 212 | ug = {} |
| 213 | for (uid, gid, _, _), count in d.iteritems(): |
| 214 | ug[(uid, gid)] = ug.get((uid, gid), 0) + count |
| 215 | ug = MostPopularKey(ug, (0, 0)) |
| 216 | |
| 217 | # Now find the dmode and fmode that match the most descendants |
| 218 | # with that (uid, gid), and choose those. |
| 219 | best_dmode = (0, 0755) |
| 220 | best_fmode = (0, 0644) |
| 221 | for k, count in d.iteritems(): |
| 222 | if k[:2] != ug: continue |
| 223 | if k[2] is not None and count >= best_dmode[0]: best_dmode = (count, k[2]) |
| 224 | if k[3] is not None and count >= best_fmode[0]: best_fmode = (count, k[3]) |
| 225 | self.best_subtree = ug + (best_dmode[1], best_fmode[1]) |
| 226 | |
| 227 | return d |
| 228 | |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 229 | def SetPermissions(self, script): |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 230 | """Append set_perm/set_perm_recursive commands to 'script' to |
| 231 | set all permissions, users, and groups for the tree of files |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 232 | rooted at 'self'.""" |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 233 | |
| 234 | self.CountChildMetadata() |
| 235 | |
| 236 | def recurse(item, current): |
| 237 | # current is the (uid, gid, dmode, fmode) tuple that the current |
| 238 | # item (and all its children) have already been set to. We only |
| 239 | # need to issue set_perm/set_perm_recursive commands if we're |
| 240 | # supposed to be something different. |
| 241 | if item.dir: |
| 242 | if current != item.best_subtree: |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 243 | script.SetPermissionsRecursive("/"+item.name, *item.best_subtree) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 244 | current = item.best_subtree |
| 245 | |
| 246 | if item.uid != current[0] or item.gid != current[1] or \ |
| 247 | item.mode != current[2]: |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 248 | script.SetPermissions("/"+item.name, item.uid, item.gid, item.mode) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 249 | |
| 250 | for i in item.children: |
| 251 | recurse(i, current) |
| 252 | else: |
| 253 | if item.uid != current[0] or item.gid != current[1] or \ |
| 254 | item.mode != current[3]: |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 255 | script.SetPermissions("/"+item.name, item.uid, item.gid, item.mode) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 256 | |
| 257 | recurse(self, (-1, -1, -1, -1)) |
| 258 | |
| 259 | |
| 260 | def CopySystemFiles(input_zip, output_zip=None, |
| 261 | substitute=None): |
| 262 | """Copies files underneath system/ in the input zip to the output |
| 263 | zip. Populates the Item class with their metadata, and returns a |
Doug Zongker | 1807e70 | 2012-02-28 12:21:08 -0800 | [diff] [blame] | 264 | list of symlinks. output_zip may be None, in which case the copy is |
| 265 | skipped (but the other side effects still happen). substitute is an |
| 266 | optional dict of {output filename: contents} to be output instead of |
| 267 | certain input files. |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 268 | """ |
| 269 | |
| 270 | symlinks = [] |
| 271 | |
| 272 | for info in input_zip.infolist(): |
| 273 | if info.filename.startswith("SYSTEM/"): |
| 274 | basefilename = info.filename[7:] |
| 275 | if IsSymlink(info): |
| 276 | symlinks.append((input_zip.read(info.filename), |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 277 | "/system/" + basefilename)) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 278 | else: |
| 279 | info2 = copy.copy(info) |
| 280 | fn = info2.filename = "system/" + basefilename |
| 281 | if substitute and fn in substitute and substitute[fn] is None: |
| 282 | continue |
| 283 | if output_zip is not None: |
| 284 | if substitute and fn in substitute: |
| 285 | data = substitute[fn] |
| 286 | else: |
| 287 | data = input_zip.read(info.filename) |
| 288 | output_zip.writestr(info2, data) |
| 289 | if fn.endswith("/"): |
| 290 | Item.Get(fn[:-1], dir=True) |
| 291 | else: |
| 292 | Item.Get(fn, dir=False) |
| 293 | |
| 294 | symlinks.sort() |
Doug Zongker | 1807e70 | 2012-02-28 12:21:08 -0800 | [diff] [blame] | 295 | return symlinks |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 296 | |
| 297 | |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 298 | def SignOutput(temp_zip_name, output_zip_name): |
| 299 | key_passwords = common.GetKeyPasswords([OPTIONS.package_key]) |
| 300 | pw = key_passwords[OPTIONS.package_key] |
| 301 | |
Doug Zongker | 951495f | 2009-08-14 12:44:19 -0700 | [diff] [blame] | 302 | common.SignFile(temp_zip_name, output_zip_name, OPTIONS.package_key, pw, |
| 303 | whole_file=True) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 304 | |
| 305 | |
Doug Zongker | 1eb74dd | 2012-08-16 16:19:00 -0700 | [diff] [blame^] | 306 | def AppendAssertions(script, info_dict): |
| 307 | device = GetBuildProp("ro.product.device", info_dict) |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 308 | script.AssertDevice(device) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 309 | |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 310 | |
Doug Zongker | 486de12 | 2010-09-16 14:01:56 -0700 | [diff] [blame] | 311 | def MakeRecoveryPatch(output_zip, recovery_img, boot_img): |
Doug Zongker | 73ef825 | 2009-07-23 15:12:53 -0700 | [diff] [blame] | 312 | """Generate a binary patch that creates the recovery image starting |
| 313 | with the boot image. (Most of the space in these images is just the |
| 314 | kernel, which is identical for the two, so the resulting patch |
| 315 | should be efficient.) Add it to the output zip, along with a shell |
| 316 | script that is run from init.rc on first boot to actually do the |
| 317 | patching and install the new recovery image. |
| 318 | |
| 319 | recovery_img and boot_img should be File objects for the |
Doug Zongker | 6736998 | 2010-07-07 13:53:32 -0700 | [diff] [blame] | 320 | corresponding images. info should be the dictionary returned by |
| 321 | common.LoadInfoDict() on the input target_files. |
Doug Zongker | 73ef825 | 2009-07-23 15:12:53 -0700 | [diff] [blame] | 322 | |
| 323 | Returns an Item for the shell script, which must be made |
| 324 | executable. |
| 325 | """ |
| 326 | |
Doug Zongker | ea5d7a9 | 2010-09-12 15:26:16 -0700 | [diff] [blame] | 327 | d = common.Difference(recovery_img, boot_img) |
Doug Zongker | 761e642 | 2009-09-25 10:45:39 -0700 | [diff] [blame] | 328 | _, _, patch = d.ComputePatch() |
Doug Zongker | cfd7db6 | 2009-10-07 11:35:53 -0700 | [diff] [blame] | 329 | common.ZipWriteStr(output_zip, "recovery/recovery-from-boot.p", patch) |
Doug Zongker | 73ef825 | 2009-07-23 15:12:53 -0700 | [diff] [blame] | 330 | Item.Get("system/recovery-from-boot.p", dir=False) |
| 331 | |
Doug Zongker | 96a57e7 | 2010-09-26 14:57:41 -0700 | [diff] [blame] | 332 | boot_type, boot_device = common.GetTypeAndDevice("/boot", OPTIONS.info_dict) |
| 333 | recovery_type, recovery_device = common.GetTypeAndDevice("/recovery", OPTIONS.info_dict) |
Doug Zongker | 9ce0fb6 | 2010-09-20 18:04:41 -0700 | [diff] [blame] | 334 | |
Doug Zongker | 73ef825 | 2009-07-23 15:12:53 -0700 | [diff] [blame] | 335 | sh = """#!/system/bin/sh |
Doug Zongker | 0276d18 | 2011-12-02 10:46:59 -0800 | [diff] [blame] | 336 | if ! applypatch -c %(recovery_type)s:%(recovery_device)s:%(recovery_size)d:%(recovery_sha1)s; then |
Doug Zongker | 73ef825 | 2009-07-23 15:12:53 -0700 | [diff] [blame] | 337 | log -t recovery "Installing new recovery image" |
Doug Zongker | 9ce0fb6 | 2010-09-20 18:04:41 -0700 | [diff] [blame] | 338 | applypatch %(boot_type)s:%(boot_device)s:%(boot_size)d:%(boot_sha1)s %(recovery_type)s:%(recovery_device)s %(recovery_sha1)s %(recovery_size)d %(boot_sha1)s:/system/recovery-from-boot.p |
Doug Zongker | 73ef825 | 2009-07-23 15:12:53 -0700 | [diff] [blame] | 339 | else |
| 340 | log -t recovery "Recovery image already installed" |
| 341 | fi |
| 342 | """ % { 'boot_size': boot_img.size, |
| 343 | 'boot_sha1': boot_img.sha1, |
Doug Zongker | 73ef825 | 2009-07-23 15:12:53 -0700 | [diff] [blame] | 344 | 'recovery_size': recovery_img.size, |
Doug Zongker | 6736998 | 2010-07-07 13:53:32 -0700 | [diff] [blame] | 345 | 'recovery_sha1': recovery_img.sha1, |
Doug Zongker | 9ce0fb6 | 2010-09-20 18:04:41 -0700 | [diff] [blame] | 346 | 'boot_type': boot_type, |
| 347 | 'boot_device': boot_device, |
| 348 | 'recovery_type': recovery_type, |
| 349 | 'recovery_device': recovery_device, |
Doug Zongker | 6736998 | 2010-07-07 13:53:32 -0700 | [diff] [blame] | 350 | } |
Doug Zongker | cfd7db6 | 2009-10-07 11:35:53 -0700 | [diff] [blame] | 351 | common.ZipWriteStr(output_zip, "recovery/etc/install-recovery.sh", sh) |
Doug Zongker | 73ef825 | 2009-07-23 15:12:53 -0700 | [diff] [blame] | 352 | return Item.Get("system/etc/install-recovery.sh", dir=False) |
| 353 | |
| 354 | |
Doug Zongker | c77a9ad | 2010-09-16 11:28:43 -0700 | [diff] [blame] | 355 | def WriteFullOTAPackage(input_zip, output_zip): |
Doug Zongker | 9ce2ebf | 2010-04-21 14:08:44 -0700 | [diff] [blame] | 356 | # TODO: how to determine this? We don't know what version it will |
| 357 | # be installed on top of. For now, we expect the API just won't |
| 358 | # change very often. |
Doug Zongker | c77a9ad | 2010-09-16 11:28:43 -0700 | [diff] [blame] | 359 | script = edify_generator.EdifyGenerator(3, OPTIONS.info_dict) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 360 | |
Doug Zongker | 1eb74dd | 2012-08-16 16:19:00 -0700 | [diff] [blame^] | 361 | metadata = {"post-build": GetBuildProp("ro.build.fingerprint", |
| 362 | OPTIONS.info_dict), |
| 363 | "pre-device": GetBuildProp("ro.product.device", |
| 364 | OPTIONS.info_dict), |
| 365 | "post-timestamp": GetBuildProp("ro.build.date.utc", |
| 366 | OPTIONS.info_dict), |
Doug Zongker | 2ea2106 | 2010-04-28 16:05:21 -0700 | [diff] [blame] | 367 | } |
| 368 | |
Doug Zongker | 05d3dea | 2009-06-22 11:32:31 -0700 | [diff] [blame] | 369 | device_specific = common.DeviceSpecificParams( |
| 370 | input_zip=input_zip, |
Doug Zongker | 3797473 | 2010-09-16 17:44:38 -0700 | [diff] [blame] | 371 | input_version=OPTIONS.info_dict["recovery_api_version"], |
Doug Zongker | 05d3dea | 2009-06-22 11:32:31 -0700 | [diff] [blame] | 372 | output_zip=output_zip, |
| 373 | script=script, |
Doug Zongker | 2ea2106 | 2010-04-28 16:05:21 -0700 | [diff] [blame] | 374 | input_tmp=OPTIONS.input_tmp, |
Doug Zongker | 96a57e7 | 2010-09-26 14:57:41 -0700 | [diff] [blame] | 375 | metadata=metadata, |
| 376 | info_dict=OPTIONS.info_dict) |
Doug Zongker | 05d3dea | 2009-06-22 11:32:31 -0700 | [diff] [blame] | 377 | |
Doug Zongker | 962069c | 2009-04-23 11:41:58 -0700 | [diff] [blame] | 378 | if not OPTIONS.omit_prereq: |
Doug Zongker | 1eb74dd | 2012-08-16 16:19:00 -0700 | [diff] [blame^] | 379 | ts = GetBuildProp("ro.build.date.utc", OPTIONS.info_dict) |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 380 | script.AssertOlderBuild(ts) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 381 | |
Doug Zongker | 1eb74dd | 2012-08-16 16:19:00 -0700 | [diff] [blame^] | 382 | AppendAssertions(script, OPTIONS.info_dict) |
Doug Zongker | 05d3dea | 2009-06-22 11:32:31 -0700 | [diff] [blame] | 383 | device_specific.FullOTA_Assertions() |
Doug Zongker | e5ff590 | 2012-01-17 10:55:37 -0800 | [diff] [blame] | 384 | device_specific.FullOTA_InstallBegin() |
Doug Zongker | 171f1cd | 2009-06-15 22:36:37 -0700 | [diff] [blame] | 385 | |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 386 | script.ShowProgress(0.5, 0) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 387 | |
Doug Zongker | dbfaae5 | 2009-04-21 17:12:54 -0700 | [diff] [blame] | 388 | if OPTIONS.wipe_user_data: |
Doug Zongker | 9ce0fb6 | 2010-09-20 18:04:41 -0700 | [diff] [blame] | 389 | script.FormatPartition("/data") |
Doug Zongker | dbfaae5 | 2009-04-21 17:12:54 -0700 | [diff] [blame] | 390 | |
Kenny Root | f32dc71 | 2012-04-08 10:42:34 -0700 | [diff] [blame] | 391 | if "selinux_fc" in OPTIONS.info_dict: |
| 392 | WritePolicyConfig(OPTIONS.info_dict["selinux_fc"], output_zip) |
Stephen Smalley | 56882bf | 2012-02-09 13:36:21 -0500 | [diff] [blame] | 393 | |
Doug Zongker | 9ce0fb6 | 2010-09-20 18:04:41 -0700 | [diff] [blame] | 394 | script.FormatPartition("/system") |
| 395 | script.Mount("/system") |
Doug Zongker | cfd7db6 | 2009-10-07 11:35:53 -0700 | [diff] [blame] | 396 | script.UnpackPackageDir("recovery", "/system") |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 397 | script.UnpackPackageDir("system", "/system") |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 398 | |
Doug Zongker | 1807e70 | 2012-02-28 12:21:08 -0800 | [diff] [blame] | 399 | symlinks = CopySystemFiles(input_zip, output_zip) |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 400 | script.MakeSymlinks(symlinks) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 401 | |
Doug Zongker | 55d9328 | 2011-01-25 17:03:34 -0800 | [diff] [blame] | 402 | boot_img = common.GetBootableImage("boot.img", "boot.img", |
| 403 | OPTIONS.input_tmp, "BOOT") |
| 404 | recovery_img = common.GetBootableImage("recovery.img", "recovery.img", |
| 405 | OPTIONS.input_tmp, "RECOVERY") |
Doug Zongker | 486de12 | 2010-09-16 14:01:56 -0700 | [diff] [blame] | 406 | MakeRecoveryPatch(output_zip, recovery_img, boot_img) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 407 | |
Doug Zongker | 283e2a1 | 2010-03-15 17:52:32 -0700 | [diff] [blame] | 408 | Item.GetMetadata(input_zip) |
Doug Zongker | 73ef825 | 2009-07-23 15:12:53 -0700 | [diff] [blame] | 409 | Item.Get("system").SetPermissions(script) |
| 410 | |
Doug Zongker | 3797473 | 2010-09-16 17:44:38 -0700 | [diff] [blame] | 411 | common.CheckSize(boot_img.data, "boot.img", OPTIONS.info_dict) |
Doug Zongker | 73ef825 | 2009-07-23 15:12:53 -0700 | [diff] [blame] | 412 | common.ZipWriteStr(output_zip, "boot.img", boot_img.data) |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 413 | script.ShowProgress(0.2, 0) |
| 414 | |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 415 | script.ShowProgress(0.2, 10) |
Doug Zongker | 9ce0fb6 | 2010-09-20 18:04:41 -0700 | [diff] [blame] | 416 | script.WriteRawImage("/boot", "boot.img") |
Doug Zongker | 05d3dea | 2009-06-22 11:32:31 -0700 | [diff] [blame] | 417 | |
| 418 | script.ShowProgress(0.1, 0) |
| 419 | device_specific.FullOTA_InstallEnd() |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 420 | |
Doug Zongker | 1c390a2 | 2009-05-14 19:06:36 -0700 | [diff] [blame] | 421 | if OPTIONS.extra_script is not None: |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 422 | script.AppendExtra(OPTIONS.extra_script) |
Doug Zongker | 1c390a2 | 2009-05-14 19:06:36 -0700 | [diff] [blame] | 423 | |
Doug Zongker | 1483360 | 2010-02-02 13:12:04 -0800 | [diff] [blame] | 424 | script.UnmountAll() |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 425 | script.AddToZip(input_zip, output_zip) |
Doug Zongker | 2ea2106 | 2010-04-28 16:05:21 -0700 | [diff] [blame] | 426 | WriteMetadata(metadata, output_zip) |
| 427 | |
Stephen Smalley | 56882bf | 2012-02-09 13:36:21 -0500 | [diff] [blame] | 428 | def WritePolicyConfig(file_context, output_zip): |
| 429 | f = open(file_context, 'r'); |
| 430 | basename = os.path.basename(file_context) |
| 431 | common.ZipWriteStr(output_zip, basename, f.read()) |
| 432 | |
Doug Zongker | 2ea2106 | 2010-04-28 16:05:21 -0700 | [diff] [blame] | 433 | |
| 434 | def WriteMetadata(metadata, output_zip): |
| 435 | common.ZipWriteStr(output_zip, "META-INF/com/android/metadata", |
| 436 | "".join(["%s=%s\n" % kv |
| 437 | for kv in sorted(metadata.iteritems())])) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 438 | |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 439 | def LoadSystemFiles(z): |
| 440 | """Load all the files from SYSTEM/... in a given target-files |
| 441 | ZipFile, and return a dict of {filename: File object}.""" |
| 442 | out = {} |
| 443 | for info in z.infolist(): |
| 444 | if info.filename.startswith("SYSTEM/") and not IsSymlink(info): |
Hristo Bojinov | 96be720 | 2010-08-02 10:26:17 -0700 | [diff] [blame] | 445 | basefilename = info.filename[7:] |
| 446 | fn = "system/" + basefilename |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 447 | data = z.read(info.filename) |
Doug Zongker | ea5d7a9 | 2010-09-12 15:26:16 -0700 | [diff] [blame] | 448 | out[fn] = common.File(fn, data) |
Doug Zongker | 1807e70 | 2012-02-28 12:21:08 -0800 | [diff] [blame] | 449 | return out |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 450 | |
| 451 | |
Doug Zongker | 1eb74dd | 2012-08-16 16:19:00 -0700 | [diff] [blame^] | 452 | def GetBuildProp(prop, info_dict): |
| 453 | """Return the fingerprint of the build of a given target-files info_dict.""" |
| 454 | try: |
| 455 | return info_dict.get("build.prop", {})[prop] |
| 456 | except KeyError: |
Doug Zongker | 9fc74c7 | 2009-06-23 16:27:38 -0700 | [diff] [blame] | 457 | raise common.ExternalError("couldn't find %s in build.prop" % (property,)) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 458 | |
| 459 | |
Doug Zongker | c77a9ad | 2010-09-16 11:28:43 -0700 | [diff] [blame] | 460 | def WriteIncrementalOTAPackage(target_zip, source_zip, output_zip): |
Doug Zongker | 3797473 | 2010-09-16 17:44:38 -0700 | [diff] [blame] | 461 | source_version = OPTIONS.source_info_dict["recovery_api_version"] |
| 462 | target_version = OPTIONS.target_info_dict["recovery_api_version"] |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 463 | |
Doug Zongker | 9ce2ebf | 2010-04-21 14:08:44 -0700 | [diff] [blame] | 464 | if source_version == 0: |
| 465 | print ("WARNING: generating edify script for a source that " |
| 466 | "can't install it.") |
Doug Zongker | 1eb74dd | 2012-08-16 16:19:00 -0700 | [diff] [blame^] | 467 | script = edify_generator.EdifyGenerator(source_version, |
| 468 | OPTIONS.target_info_dict) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 469 | |
Doug Zongker | 1eb74dd | 2012-08-16 16:19:00 -0700 | [diff] [blame^] | 470 | metadata = {"pre-device": GetBuildProp("ro.product.device", |
| 471 | OPTIONS.source_info_dict), |
| 472 | "post-timestamp": GetBuildProp("ro.build.date.utc", |
| 473 | OPTIONS.target_info_dict), |
Doug Zongker | 2ea2106 | 2010-04-28 16:05:21 -0700 | [diff] [blame] | 474 | } |
| 475 | |
Doug Zongker | 05d3dea | 2009-06-22 11:32:31 -0700 | [diff] [blame] | 476 | device_specific = common.DeviceSpecificParams( |
| 477 | source_zip=source_zip, |
Doug Zongker | 1483360 | 2010-02-02 13:12:04 -0800 | [diff] [blame] | 478 | source_version=source_version, |
Doug Zongker | 05d3dea | 2009-06-22 11:32:31 -0700 | [diff] [blame] | 479 | target_zip=target_zip, |
Doug Zongker | 1483360 | 2010-02-02 13:12:04 -0800 | [diff] [blame] | 480 | target_version=target_version, |
Doug Zongker | 05d3dea | 2009-06-22 11:32:31 -0700 | [diff] [blame] | 481 | output_zip=output_zip, |
Doug Zongker | 2ea2106 | 2010-04-28 16:05:21 -0700 | [diff] [blame] | 482 | script=script, |
Doug Zongker | 96a57e7 | 2010-09-26 14:57:41 -0700 | [diff] [blame] | 483 | metadata=metadata, |
| 484 | info_dict=OPTIONS.info_dict) |
Doug Zongker | 05d3dea | 2009-06-22 11:32:31 -0700 | [diff] [blame] | 485 | |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 486 | print "Loading target..." |
Doug Zongker | 1807e70 | 2012-02-28 12:21:08 -0800 | [diff] [blame] | 487 | target_data = LoadSystemFiles(target_zip) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 488 | print "Loading source..." |
Doug Zongker | 1807e70 | 2012-02-28 12:21:08 -0800 | [diff] [blame] | 489 | source_data = LoadSystemFiles(source_zip) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 490 | |
| 491 | verbatim_targets = [] |
| 492 | patch_list = [] |
Doug Zongker | 761e642 | 2009-09-25 10:45:39 -0700 | [diff] [blame] | 493 | diffs = [] |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 494 | largest_source_size = 0 |
| 495 | for fn in sorted(target_data.keys()): |
| 496 | tf = target_data[fn] |
Doug Zongker | 761e642 | 2009-09-25 10:45:39 -0700 | [diff] [blame] | 497 | assert fn == tf.name |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 498 | sf = source_data.get(fn, None) |
| 499 | |
| 500 | if sf is None or fn in OPTIONS.require_verbatim: |
| 501 | # This file should be included verbatim |
| 502 | if fn in OPTIONS.prohibit_verbatim: |
Doug Zongker | 9fc74c7 | 2009-06-23 16:27:38 -0700 | [diff] [blame] | 503 | raise common.ExternalError("\"%s\" must be sent verbatim" % (fn,)) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 504 | print "send", fn, "verbatim" |
| 505 | tf.AddToZip(output_zip) |
| 506 | verbatim_targets.append((fn, tf.size)) |
| 507 | elif tf.sha1 != sf.sha1: |
| 508 | # File is different; consider sending as a patch |
Doug Zongker | ea5d7a9 | 2010-09-12 15:26:16 -0700 | [diff] [blame] | 509 | diffs.append(common.Difference(tf, sf)) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 510 | else: |
| 511 | # Target file identical to source. |
| 512 | pass |
| 513 | |
Doug Zongker | ea5d7a9 | 2010-09-12 15:26:16 -0700 | [diff] [blame] | 514 | common.ComputeDifferences(diffs) |
Doug Zongker | 761e642 | 2009-09-25 10:45:39 -0700 | [diff] [blame] | 515 | |
| 516 | for diff in diffs: |
| 517 | tf, sf, d = diff.GetPatch() |
| 518 | if d is None or len(d) > tf.size * OPTIONS.patch_threshold: |
| 519 | # patch is almost as big as the file; don't bother patching |
| 520 | tf.AddToZip(output_zip) |
| 521 | verbatim_targets.append((tf.name, tf.size)) |
| 522 | else: |
| 523 | common.ZipWriteStr(output_zip, "patch/" + tf.name + ".p", d) |
Doug Zongker | 55d9328 | 2011-01-25 17:03:34 -0800 | [diff] [blame] | 524 | patch_list.append((tf.name, tf, sf, tf.size, common.sha1(d).hexdigest())) |
Doug Zongker | 761e642 | 2009-09-25 10:45:39 -0700 | [diff] [blame] | 525 | largest_source_size = max(largest_source_size, sf.size) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 526 | |
Doug Zongker | 1eb74dd | 2012-08-16 16:19:00 -0700 | [diff] [blame^] | 527 | source_fp = GetBuildProp("ro.build.fingerprint", OPTIONS.source_info_dict) |
| 528 | target_fp = GetBuildProp("ro.build.fingerprint", OPTIONS.target_info_dict) |
Doug Zongker | 2ea2106 | 2010-04-28 16:05:21 -0700 | [diff] [blame] | 529 | metadata["pre-build"] = source_fp |
| 530 | metadata["post-build"] = target_fp |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 531 | |
Doug Zongker | 9ce0fb6 | 2010-09-20 18:04:41 -0700 | [diff] [blame] | 532 | script.Mount("/system") |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 533 | script.AssertSomeFingerprint(source_fp, target_fp) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 534 | |
Doug Zongker | 55d9328 | 2011-01-25 17:03:34 -0800 | [diff] [blame] | 535 | source_boot = common.GetBootableImage( |
Doug Zongker | d513160 | 2012-08-02 14:46:42 -0700 | [diff] [blame] | 536 | "/tmp/boot.img", "boot.img", OPTIONS.source_tmp, "BOOT", |
| 537 | OPTIONS.source_info_dict) |
Doug Zongker | 55d9328 | 2011-01-25 17:03:34 -0800 | [diff] [blame] | 538 | target_boot = common.GetBootableImage( |
| 539 | "/tmp/boot.img", "boot.img", OPTIONS.target_tmp, "BOOT") |
Doug Zongker | 5da317e | 2009-06-02 13:38:17 -0700 | [diff] [blame] | 540 | updating_boot = (source_boot.data != target_boot.data) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 541 | |
Doug Zongker | 55d9328 | 2011-01-25 17:03:34 -0800 | [diff] [blame] | 542 | source_recovery = common.GetBootableImage( |
Doug Zongker | d513160 | 2012-08-02 14:46:42 -0700 | [diff] [blame] | 543 | "/tmp/recovery.img", "recovery.img", OPTIONS.source_tmp, "RECOVERY", |
| 544 | OPTIONS.source_info_dict) |
Doug Zongker | 55d9328 | 2011-01-25 17:03:34 -0800 | [diff] [blame] | 545 | target_recovery = common.GetBootableImage( |
| 546 | "/tmp/recovery.img", "recovery.img", OPTIONS.target_tmp, "RECOVERY") |
Doug Zongker | f6a8bad | 2009-05-29 11:41:21 -0700 | [diff] [blame] | 547 | updating_recovery = (source_recovery.data != target_recovery.data) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 548 | |
Doug Zongker | 881dd40 | 2009-09-20 14:03:55 -0700 | [diff] [blame] | 549 | # Here's how we divide up the progress bar: |
| 550 | # 0.1 for verifying the start state (PatchCheck calls) |
| 551 | # 0.8 for applying patches (ApplyPatch calls) |
| 552 | # 0.1 for unpacking verbatim files, symlinking, and doing the |
| 553 | # device-specific commands. |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 554 | |
Doug Zongker | 1eb74dd | 2012-08-16 16:19:00 -0700 | [diff] [blame^] | 555 | AppendAssertions(script, OPTIONS.target_info_dict) |
Doug Zongker | 05d3dea | 2009-06-22 11:32:31 -0700 | [diff] [blame] | 556 | device_specific.IncrementalOTA_Assertions() |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 557 | |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 558 | script.Print("Verifying current system...") |
| 559 | |
Doug Zongker | e5ff590 | 2012-01-17 10:55:37 -0800 | [diff] [blame] | 560 | device_specific.IncrementalOTA_VerifyBegin() |
| 561 | |
Doug Zongker | 881dd40 | 2009-09-20 14:03:55 -0700 | [diff] [blame] | 562 | script.ShowProgress(0.1, 0) |
| 563 | total_verify_size = float(sum([i[2].size for i in patch_list]) + 1) |
| 564 | if updating_boot: |
| 565 | total_verify_size += source_boot.size |
| 566 | so_far = 0 |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 567 | |
Doug Zongker | 5a48209 | 2010-02-17 16:09:18 -0800 | [diff] [blame] | 568 | for fn, tf, sf, size, patch_sha in patch_list: |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 569 | script.PatchCheck("/"+fn, tf.sha1, sf.sha1) |
Doug Zongker | 881dd40 | 2009-09-20 14:03:55 -0700 | [diff] [blame] | 570 | so_far += sf.size |
| 571 | script.SetProgress(so_far / total_verify_size) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 572 | |
Doug Zongker | 5da317e | 2009-06-02 13:38:17 -0700 | [diff] [blame] | 573 | if updating_boot: |
Doug Zongker | ea5d7a9 | 2010-09-12 15:26:16 -0700 | [diff] [blame] | 574 | d = common.Difference(target_boot, source_boot) |
Doug Zongker | 761e642 | 2009-09-25 10:45:39 -0700 | [diff] [blame] | 575 | _, _, d = d.ComputePatch() |
Doug Zongker | 5da317e | 2009-06-02 13:38:17 -0700 | [diff] [blame] | 576 | print "boot target: %d source: %d diff: %d" % ( |
| 577 | target_boot.size, source_boot.size, len(d)) |
| 578 | |
Doug Zongker | 048e7ca | 2009-06-15 14:31:53 -0700 | [diff] [blame] | 579 | common.ZipWriteStr(output_zip, "patch/boot.img.p", d) |
Doug Zongker | 5da317e | 2009-06-02 13:38:17 -0700 | [diff] [blame] | 580 | |
Doug Zongker | 96a57e7 | 2010-09-26 14:57:41 -0700 | [diff] [blame] | 581 | boot_type, boot_device = common.GetTypeAndDevice("/boot", OPTIONS.info_dict) |
Doug Zongker | f2ab290 | 2010-09-22 10:12:54 -0700 | [diff] [blame] | 582 | |
| 583 | script.PatchCheck("%s:%s:%d:%s:%d:%s" % |
| 584 | (boot_type, boot_device, |
Doug Zongker | 6736998 | 2010-07-07 13:53:32 -0700 | [diff] [blame] | 585 | source_boot.size, source_boot.sha1, |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 586 | target_boot.size, target_boot.sha1)) |
Doug Zongker | 881dd40 | 2009-09-20 14:03:55 -0700 | [diff] [blame] | 587 | so_far += source_boot.size |
| 588 | script.SetProgress(so_far / total_verify_size) |
Doug Zongker | 5da317e | 2009-06-02 13:38:17 -0700 | [diff] [blame] | 589 | |
| 590 | if patch_list or updating_recovery or updating_boot: |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 591 | script.CacheFreeSpaceCheck(largest_source_size) |
Doug Zongker | 5a48209 | 2010-02-17 16:09:18 -0800 | [diff] [blame] | 592 | |
Doug Zongker | 05d3dea | 2009-06-22 11:32:31 -0700 | [diff] [blame] | 593 | device_specific.IncrementalOTA_VerifyEnd() |
| 594 | |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 595 | script.Comment("---- start making changes here ----") |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 596 | |
Doug Zongker | e5ff590 | 2012-01-17 10:55:37 -0800 | [diff] [blame] | 597 | device_specific.IncrementalOTA_InstallBegin() |
| 598 | |
Doug Zongker | dbfaae5 | 2009-04-21 17:12:54 -0700 | [diff] [blame] | 599 | if OPTIONS.wipe_user_data: |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 600 | script.Print("Erasing user data...") |
Doug Zongker | 9ce0fb6 | 2010-09-20 18:04:41 -0700 | [diff] [blame] | 601 | script.FormatPartition("/data") |
Doug Zongker | dbfaae5 | 2009-04-21 17:12:54 -0700 | [diff] [blame] | 602 | |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 603 | script.Print("Removing unneeded files...") |
Doug Zongker | 0f3298a | 2009-06-30 08:16:58 -0700 | [diff] [blame] | 604 | script.DeleteFiles(["/"+i[0] for i in verbatim_targets] + |
| 605 | ["/"+i for i in sorted(source_data) |
Doug Zongker | 3b949f0 | 2009-08-24 10:24:32 -0700 | [diff] [blame] | 606 | if i not in target_data] + |
| 607 | ["/system/recovery.img"]) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 608 | |
Doug Zongker | 881dd40 | 2009-09-20 14:03:55 -0700 | [diff] [blame] | 609 | script.ShowProgress(0.8, 0) |
| 610 | total_patch_size = float(sum([i[1].size for i in patch_list]) + 1) |
| 611 | if updating_boot: |
| 612 | total_patch_size += target_boot.size |
| 613 | so_far = 0 |
| 614 | |
| 615 | script.Print("Patching system files...") |
Doug Zongker | e92f15a | 2011-08-26 13:46:40 -0700 | [diff] [blame] | 616 | deferred_patch_list = [] |
| 617 | for item in patch_list: |
| 618 | fn, tf, sf, size, _ = item |
| 619 | if tf.name == "system/build.prop": |
| 620 | deferred_patch_list.append(item) |
| 621 | continue |
Doug Zongker | c8d446b | 2010-02-22 15:41:53 -0800 | [diff] [blame] | 622 | script.ApplyPatch("/"+fn, "-", tf.size, tf.sha1, sf.sha1, "patch/"+fn+".p") |
Doug Zongker | 881dd40 | 2009-09-20 14:03:55 -0700 | [diff] [blame] | 623 | so_far += tf.size |
| 624 | script.SetProgress(so_far / total_patch_size) |
| 625 | |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 626 | if updating_boot: |
Doug Zongker | 5da317e | 2009-06-02 13:38:17 -0700 | [diff] [blame] | 627 | # Produce the boot image by applying a patch to the current |
| 628 | # contents of the boot partition, and write it back to the |
| 629 | # partition. |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 630 | script.Print("Patching boot image...") |
Doug Zongker | f2ab290 | 2010-09-22 10:12:54 -0700 | [diff] [blame] | 631 | script.ApplyPatch("%s:%s:%d:%s:%d:%s" |
| 632 | % (boot_type, boot_device, |
Doug Zongker | 6736998 | 2010-07-07 13:53:32 -0700 | [diff] [blame] | 633 | source_boot.size, source_boot.sha1, |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 634 | target_boot.size, target_boot.sha1), |
| 635 | "-", |
| 636 | target_boot.size, target_boot.sha1, |
Doug Zongker | c8d446b | 2010-02-22 15:41:53 -0800 | [diff] [blame] | 637 | source_boot.sha1, "patch/boot.img.p") |
Doug Zongker | 881dd40 | 2009-09-20 14:03:55 -0700 | [diff] [blame] | 638 | so_far += target_boot.size |
| 639 | script.SetProgress(so_far / total_patch_size) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 640 | print "boot image changed; including." |
| 641 | else: |
| 642 | print "boot image unchanged; skipping." |
| 643 | |
| 644 | if updating_recovery: |
Doug Zongker | 73ef825 | 2009-07-23 15:12:53 -0700 | [diff] [blame] | 645 | # Is it better to generate recovery as a patch from the current |
| 646 | # boot image, or from the previous recovery image? For large |
| 647 | # updates with significant kernel changes, probably the former. |
| 648 | # For small updates where the kernel hasn't changed, almost |
| 649 | # certainly the latter. We pick the first option. Future |
| 650 | # complicated schemes may let us effectively use both. |
| 651 | # |
| 652 | # A wacky possibility: as long as there is room in the boot |
| 653 | # partition, include the binaries and image files from recovery in |
| 654 | # the boot image (though not in the ramdisk) so they can be used |
| 655 | # as fodder for constructing the recovery image. |
Doug Zongker | 486de12 | 2010-09-16 14:01:56 -0700 | [diff] [blame] | 656 | MakeRecoveryPatch(output_zip, target_recovery, target_boot) |
Doug Zongker | 4226539 | 2010-02-12 10:21:00 -0800 | [diff] [blame] | 657 | script.DeleteFiles(["/system/recovery-from-boot.p", |
| 658 | "/system/etc/install-recovery.sh"]) |
Doug Zongker | 73ef825 | 2009-07-23 15:12:53 -0700 | [diff] [blame] | 659 | print "recovery image changed; including as patch from boot." |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 660 | else: |
| 661 | print "recovery image unchanged; skipping." |
| 662 | |
Doug Zongker | 881dd40 | 2009-09-20 14:03:55 -0700 | [diff] [blame] | 663 | script.ShowProgress(0.1, 10) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 664 | |
Doug Zongker | 1807e70 | 2012-02-28 12:21:08 -0800 | [diff] [blame] | 665 | target_symlinks = CopySystemFiles(target_zip, None) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 666 | |
| 667 | target_symlinks_d = dict([(i[1], i[0]) for i in target_symlinks]) |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 668 | temp_script = script.MakeTemporary() |
Doug Zongker | 283e2a1 | 2010-03-15 17:52:32 -0700 | [diff] [blame] | 669 | Item.GetMetadata(target_zip) |
Doug Zongker | 73ef825 | 2009-07-23 15:12:53 -0700 | [diff] [blame] | 670 | Item.Get("system").SetPermissions(temp_script) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 671 | |
| 672 | # Note that this call will mess up the tree of Items, so make sure |
| 673 | # we're done with it. |
Doug Zongker | 1807e70 | 2012-02-28 12:21:08 -0800 | [diff] [blame] | 674 | source_symlinks = CopySystemFiles(source_zip, None) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 675 | source_symlinks_d = dict([(i[1], i[0]) for i in source_symlinks]) |
| 676 | |
| 677 | # Delete all the symlinks in source that aren't in target. This |
| 678 | # needs to happen before verbatim files are unpacked, in case a |
| 679 | # symlink in the source is replaced by a real file in the target. |
| 680 | to_delete = [] |
| 681 | for dest, link in source_symlinks: |
| 682 | if link not in target_symlinks_d: |
| 683 | to_delete.append(link) |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 684 | script.DeleteFiles(to_delete) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 685 | |
| 686 | if verbatim_targets: |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 687 | script.Print("Unpacking new files...") |
| 688 | script.UnpackPackageDir("system", "/system") |
| 689 | |
Doug Zongker | 4226539 | 2010-02-12 10:21:00 -0800 | [diff] [blame] | 690 | if updating_recovery: |
| 691 | script.Print("Unpacking new recovery...") |
| 692 | script.UnpackPackageDir("recovery", "/system") |
| 693 | |
Doug Zongker | 05d3dea | 2009-06-22 11:32:31 -0700 | [diff] [blame] | 694 | script.Print("Symlinks and permissions...") |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 695 | |
| 696 | # Create all the symlinks that don't already exist, or point to |
| 697 | # somewhere different than what we want. Delete each symlink before |
| 698 | # creating it, since the 'symlink' command won't overwrite. |
| 699 | to_create = [] |
| 700 | for dest, link in target_symlinks: |
| 701 | if link in source_symlinks_d: |
| 702 | if dest != source_symlinks_d[link]: |
| 703 | to_create.append((dest, link)) |
| 704 | else: |
| 705 | to_create.append((dest, link)) |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 706 | script.DeleteFiles([i[1] for i in to_create]) |
| 707 | script.MakeSymlinks(to_create) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 708 | |
| 709 | # Now that the symlinks are created, we can set all the |
| 710 | # permissions. |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 711 | script.AppendScript(temp_script) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 712 | |
Doug Zongker | 881dd40 | 2009-09-20 14:03:55 -0700 | [diff] [blame] | 713 | # Do device-specific installation (eg, write radio image). |
Doug Zongker | 05d3dea | 2009-06-22 11:32:31 -0700 | [diff] [blame] | 714 | device_specific.IncrementalOTA_InstallEnd() |
| 715 | |
Doug Zongker | 1c390a2 | 2009-05-14 19:06:36 -0700 | [diff] [blame] | 716 | if OPTIONS.extra_script is not None: |
Doug Zongker | 6736998 | 2010-07-07 13:53:32 -0700 | [diff] [blame] | 717 | script.AppendExtra(OPTIONS.extra_script) |
Doug Zongker | 1c390a2 | 2009-05-14 19:06:36 -0700 | [diff] [blame] | 718 | |
Doug Zongker | e92f15a | 2011-08-26 13:46:40 -0700 | [diff] [blame] | 719 | # Patch the build.prop file last, so if something fails but the |
| 720 | # device can still come up, it appears to be the old build and will |
| 721 | # get set the OTA package again to retry. |
| 722 | script.Print("Patching remaining system files...") |
| 723 | for item in deferred_patch_list: |
| 724 | fn, tf, sf, size, _ = item |
| 725 | script.ApplyPatch("/"+fn, "-", tf.size, tf.sha1, sf.sha1, "patch/"+fn+".p") |
| 726 | script.SetPermissions("/system/build.prop", 0, 0, 0644) |
| 727 | |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 728 | script.AddToZip(target_zip, output_zip) |
Doug Zongker | 2ea2106 | 2010-04-28 16:05:21 -0700 | [diff] [blame] | 729 | WriteMetadata(metadata, output_zip) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 730 | |
| 731 | |
| 732 | def main(argv): |
| 733 | |
| 734 | def option_handler(o, a): |
| 735 | if o in ("-b", "--board_config"): |
Doug Zongker | fdd8e69 | 2009-08-03 17:27:48 -0700 | [diff] [blame] | 736 | pass # deprecated |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 737 | elif o in ("-k", "--package_key"): |
| 738 | OPTIONS.package_key = a |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 739 | elif o in ("-i", "--incremental_from"): |
| 740 | OPTIONS.incremental_source = a |
Doug Zongker | dbfaae5 | 2009-04-21 17:12:54 -0700 | [diff] [blame] | 741 | elif o in ("-w", "--wipe_user_data"): |
| 742 | OPTIONS.wipe_user_data = True |
Doug Zongker | 962069c | 2009-04-23 11:41:58 -0700 | [diff] [blame] | 743 | elif o in ("-n", "--no_prereq"): |
| 744 | OPTIONS.omit_prereq = True |
Doug Zongker | 1c390a2 | 2009-05-14 19:06:36 -0700 | [diff] [blame] | 745 | elif o in ("-e", "--extra_script"): |
| 746 | OPTIONS.extra_script = a |
Hristo Bojinov | dafb042 | 2010-08-26 14:35:16 -0700 | [diff] [blame] | 747 | elif o in ("-a", "--aslr_mode"): |
| 748 | if a in ("on", "On", "true", "True", "yes", "Yes"): |
| 749 | OPTIONS.aslr_mode = True |
| 750 | else: |
| 751 | OPTIONS.aslr_mode = False |
Doug Zongker | 761e642 | 2009-09-25 10:45:39 -0700 | [diff] [blame] | 752 | elif o in ("--worker_threads"): |
| 753 | OPTIONS.worker_threads = int(a) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 754 | else: |
| 755 | return False |
Doug Zongker | dbfaae5 | 2009-04-21 17:12:54 -0700 | [diff] [blame] | 756 | return True |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 757 | |
| 758 | args = common.ParseOptions(argv, __doc__, |
Hristo Bojinov | dafb042 | 2010-08-26 14:35:16 -0700 | [diff] [blame] | 759 | extra_opts="b:k:i:d:wne:a:", |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 760 | extra_long_opts=["board_config=", |
| 761 | "package_key=", |
Doug Zongker | dbfaae5 | 2009-04-21 17:12:54 -0700 | [diff] [blame] | 762 | "incremental_from=", |
Doug Zongker | 962069c | 2009-04-23 11:41:58 -0700 | [diff] [blame] | 763 | "wipe_user_data", |
Doug Zongker | 1c390a2 | 2009-05-14 19:06:36 -0700 | [diff] [blame] | 764 | "no_prereq", |
Doug Zongker | c494d7c | 2009-06-18 08:43:44 -0700 | [diff] [blame] | 765 | "extra_script=", |
Hristo Bojinov | 96be720 | 2010-08-02 10:26:17 -0700 | [diff] [blame] | 766 | "worker_threads=", |
Doug Zongker | c60c1ba | 2010-09-03 13:22:38 -0700 | [diff] [blame] | 767 | "aslr_mode=", |
| 768 | ], |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 769 | extra_option_handler=option_handler) |
| 770 | |
| 771 | if len(args) != 2: |
| 772 | common.Usage(__doc__) |
| 773 | sys.exit(1) |
| 774 | |
Doug Zongker | 1c390a2 | 2009-05-14 19:06:36 -0700 | [diff] [blame] | 775 | if OPTIONS.extra_script is not None: |
| 776 | OPTIONS.extra_script = open(OPTIONS.extra_script).read() |
| 777 | |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 778 | print "unzipping target target-files..." |
Doug Zongker | 55d9328 | 2011-01-25 17:03:34 -0800 | [diff] [blame] | 779 | OPTIONS.input_tmp, input_zip = common.UnzipTemp(args[0]) |
Doug Zongker | fdd8e69 | 2009-08-03 17:27:48 -0700 | [diff] [blame] | 780 | |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 781 | OPTIONS.target_tmp = OPTIONS.input_tmp |
Doug Zongker | 3797473 | 2010-09-16 17:44:38 -0700 | [diff] [blame] | 782 | OPTIONS.info_dict = common.LoadInfoDict(input_zip) |
| 783 | if OPTIONS.verbose: |
| 784 | print "--- target info ---" |
| 785 | common.DumpInfoDict(OPTIONS.info_dict) |
| 786 | |
| 787 | if OPTIONS.device_specific is None: |
| 788 | OPTIONS.device_specific = OPTIONS.info_dict.get("tool_extensions", None) |
| 789 | if OPTIONS.device_specific is not None: |
| 790 | OPTIONS.device_specific = os.path.normpath(OPTIONS.device_specific) |
| 791 | print "using device-specific extensions in", OPTIONS.device_specific |
| 792 | |
Doug Zongker | afb32ea | 2011-09-22 10:28:04 -0700 | [diff] [blame] | 793 | temp_zip_file = tempfile.NamedTemporaryFile() |
| 794 | output_zip = zipfile.ZipFile(temp_zip_file, "w", |
| 795 | compression=zipfile.ZIP_DEFLATED) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 796 | |
| 797 | if OPTIONS.incremental_source is None: |
Doug Zongker | c77a9ad | 2010-09-16 11:28:43 -0700 | [diff] [blame] | 798 | WriteFullOTAPackage(input_zip, output_zip) |
Doug Zongker | afb32ea | 2011-09-22 10:28:04 -0700 | [diff] [blame] | 799 | if OPTIONS.package_key is None: |
| 800 | OPTIONS.package_key = OPTIONS.info_dict.get( |
| 801 | "default_system_dev_certificate", |
| 802 | "build/target/product/security/testkey") |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 803 | else: |
| 804 | print "unzipping source target-files..." |
Doug Zongker | 55d9328 | 2011-01-25 17:03:34 -0800 | [diff] [blame] | 805 | OPTIONS.source_tmp, source_zip = common.UnzipTemp(OPTIONS.incremental_source) |
Doug Zongker | 3797473 | 2010-09-16 17:44:38 -0700 | [diff] [blame] | 806 | OPTIONS.target_info_dict = OPTIONS.info_dict |
| 807 | OPTIONS.source_info_dict = common.LoadInfoDict(source_zip) |
Doug Zongker | afb32ea | 2011-09-22 10:28:04 -0700 | [diff] [blame] | 808 | if OPTIONS.package_key is None: |
Doug Zongker | 91b4f8a | 2011-09-23 12:48:33 -0700 | [diff] [blame] | 809 | OPTIONS.package_key = OPTIONS.source_info_dict.get( |
Doug Zongker | afb32ea | 2011-09-22 10:28:04 -0700 | [diff] [blame] | 810 | "default_system_dev_certificate", |
| 811 | "build/target/product/security/testkey") |
Doug Zongker | 3797473 | 2010-09-16 17:44:38 -0700 | [diff] [blame] | 812 | if OPTIONS.verbose: |
| 813 | print "--- source info ---" |
| 814 | common.DumpInfoDict(OPTIONS.source_info_dict) |
Doug Zongker | c77a9ad | 2010-09-16 11:28:43 -0700 | [diff] [blame] | 815 | WriteIncrementalOTAPackage(input_zip, source_zip, output_zip) |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 816 | |
| 817 | output_zip.close() |
Doug Zongker | afb32ea | 2011-09-22 10:28:04 -0700 | [diff] [blame] | 818 | |
| 819 | SignOutput(temp_zip_file.name, args[1]) |
| 820 | temp_zip_file.close() |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 821 | |
| 822 | common.Cleanup() |
| 823 | |
| 824 | print "done." |
| 825 | |
| 826 | |
| 827 | if __name__ == '__main__': |
| 828 | try: |
Ying Wang | 7e6d4e4 | 2010-12-13 16:25:36 -0800 | [diff] [blame] | 829 | common.CloseInheritedPipes() |
Doug Zongker | eef3944 | 2009-04-02 12:14:19 -0700 | [diff] [blame] | 830 | main(sys.argv[1:]) |
| 831 | except common.ExternalError, e: |
| 832 | print |
| 833 | print " ERROR: %s" % (e,) |
| 834 | print |
| 835 | sys.exit(1) |