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| author | Ricardo Cerqueira <cyanogenmod@cerqueira.org> | 2014-05-09 22:21:28 +0100 |
|---|---|---|
| committer | Adnan Begovic <adnan@cyngn.com> | 2015-10-06 16:33:25 -0700 |
| commit | c29149a1a25e43597cc6b965da9e0f88d6719a5a (patch) | |
| tree | 3ae7ed71b2989aff9e82a5a8ba0e2c05cea28893 /tools/releasetools/edify_generator.py | |
| parent | 137b73cd05b6678ea2c6a3ac8f4c8b13d9d048f2 (diff) | |
| download | build-c29149a1a25e43597cc6b965da9e0f88d6719a5a.zip build-c29149a1a25e43597cc6b965da9e0f88d6719a5a.tar.gz build-c29149a1a25e43597cc6b965da9e0f88d6719a5a.tar.bz2 | |
ota: Make sure we don't install on top of an incompatible system
If the system has data present, make sure said data doesn't depend
on a system signature different from our own. If we can't find
our platform key, abort the installation
Change-Id: I16572daf9464de326a9d0d126597cfbf03208f94
Diffstat (limited to 'tools/releasetools/edify_generator.py')
| -rw-r--r-- | tools/releasetools/edify_generator.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/releasetools/edify_generator.py b/tools/releasetools/edify_generator.py index 4acda35..2cff05b 100644 --- a/tools/releasetools/edify_generator.py +++ b/tools/releasetools/edify_generator.py @@ -147,6 +147,17 @@ class EdifyGenerator(object): self.script.append('delete("/system/bin/backuptool.sh");') self.script.append('delete("/system/bin/backuptool.functions");') + def ValidateSignatures(self, command): + if command == "cleanup": + self.script.append('delete("/system/bin/otasigcheck.sh");') + else: + self.script.append('package_extract_file("system/bin/otasigcheck.sh", "/tmp/otasigcheck.sh");') + self.script.append('package_extract_file("META-INF/org/cyanogenmod/releasekey", "/tmp/releasekey");') + self.script.append('set_metadata("/tmp/otasigcheck.sh", "uid", 0, "gid", 0, "mode", 0755);') + self.script.append('run_program("/tmp/otasigcheck.sh");') + ## Hax: a failure from run_program doesn't trigger an abort, so have it change the key value and check for "INVALID" + self.script.append('sha1_check(read_file("/tmp/releasekey"),"7241e92725436afc79389d4fc2333a2aa8c20230") && abort("Can\'t install this package on top of incompatible data. Please try another package or run a factory reset");') + def ShowProgress(self, frac, dur): """Update the progress bar, advancing it over 'frac' over the next 'dur' seconds. 'dur' may be zero to advance it via SetProgress |