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resolved conflicts for merge of 6502ae93 to lmp-mr1-dev-plus-aosp

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Change-Id: I3ffed7f5a32363d5a4481eebddff8feff3c4ebee
This commit is contained in:
Tao Bao 2015-03-13 22:40:38 -07:00
commit 2231191482
1 changed files with 39 additions and 24 deletions
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63
tools/releasetools/common.py
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@ -1058,29 +1058,38 @@ class BlockDifference:
self._WriteUpdate(script, output_zip)
def WriteVerifyScript(self, script):
partition = self.partition
if not self.src:
script.Print("Image %s will be patched unconditionally." % (self.partition,))
script.Print("Image %s will be patched unconditionally." % (partition,))
else:
if self.version >= 3:
script.AppendExtra(('if block_image_verify("%s", '
'package_extract_file("%s.transfer.list"), '
'"%s.new.dat", "%s.patch.dat") then') %
(self.device, partition, partition, partition))
else:
if self.check_first_block:
self._CheckFirstBlock(script)
script.AppendExtra('if range_sha1("%s", "%s") == "%s" then' %
(self.device, self.src.care_map.to_string_raw(),
self.src.TotalSha1()))
script.Print("Verified %s image..." % (self.partition,))
# Abort the OTA update if it doesn't support resumable OTA (i.e. version<3)
# and the checksum doesn't match the one in the source partition.
if self.version < 3:
script.AppendExtra(('else\n'
' abort("%s partition has unexpected contents");\n'
'endif;') % (self.partition))
else:
script.AppendExtra(('else\n'
' (range_sha1("%s", "%s") == "%s") ||\n'
' abort("%s partition has unexpected contents");\n'
'endif;') %
(self.device, self.tgt.care_map.to_string_raw(),
self.tgt.TotalSha1(), self.partition))
script.Print('Verified %s image...' % (partition,))
script.AppendExtra('else');
# When generating incrementals for the system and vendor partitions,
# explicitly check the first block (which contains the superblock) of
# the partition to see if it's what we expect. If this check fails,
# give an explicit log message about the partition having been
# remounted R/W (the most likely explanation) and the need to flash to
# get OTAs working again.
if self.check_first_block:
self._CheckFirstBlock(script)
# Abort the OTA update. Note that the incremental OTA cannot be applied
# even if it may match the checksum of the target partition.
# a) If version < 3, operations like move and erase will make changes
# unconditionally and damage the partition.
# b) If version >= 3, it won't even reach here.
script.AppendExtra(('abort("%s partition has unexpected contents");\n'
'endif;') % (partition,))
def _WriteUpdate(self, script, output_zip):
partition = self.partition
@ -1098,18 +1107,24 @@ class BlockDifference:
(self.device, partition, partition, partition))
script.AppendExtra(script._WordWrap(call))
def _HashBlocks(self, source, ranges):
data = source.ReadRangeSet(ranges)
ctx = sha1()
for p in data:
ctx.update(p)
return ctx.hexdigest()
def _CheckFirstBlock(self, script):
r = RangeSet((0, 1))
h = sha1()
for data in self.src.ReadRangeSet(r):
h.update(data)
h = h.hexdigest()
srchash = self._HashBlocks(self.src, r);
script.AppendExtra(('(range_sha1("%s", "%s") == "%s") || '
'abort("%s has been remounted R/W; '
'reflash device to reenable OTA updates");')
% (self.device, r.to_string_raw(), h, self.device))
% (self.device, r.to_string_raw(), srchash,
self.device))
DataImage = blockimgdiff.DataImage