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authorDan Pasanen <dan.pasanen@gmail.com>2017-12-21 03:32:25 +0100
committerDees Troy <dees_troy@teamw.in>2018-03-09 04:31:21 +0100
commite7b66e100f80474470f79a9b4670523c2d156a96 (patch)
tree70e09dc70ecc941a9129a78dbfd0e4ec99c50d72 /installcommand.cpp
parentFBE: Decrypt spblob v2 (February security patch) (diff)
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Diffstat (limited to '')
-rw-r--r--installcommand.cpp24
1 files changed, 0 insertions, 24 deletions
diff --git a/installcommand.cpp b/installcommand.cpp
index f9978f27b..b306e872f 100644
--- a/installcommand.cpp
+++ b/installcommand.cpp
@@ -159,30 +159,6 @@ static int check_newer_ab_build(ZipWrap* zip)
return INSTALL_ERROR;
}
- // Check for downgrade version.
- int64_t build_timestampt = property_get_int64(
- "ro.build.date.utc", std::numeric_limits<int64_t>::max());
- int64_t pkg_post_timespampt = 0;
- // We allow to full update to the same version we are running, in case there
- // is a problem with the current copy of that version.
- if (metadata["post-timestamp"].empty() ||
- !android::base::ParseInt(metadata["post-timestamp"].c_str(),
- &pkg_post_timespampt) ||
- pkg_post_timespampt < build_timestampt) {
- if (metadata["ota-downgrade"] != "yes") {
- printf("Update package is older than the current build, expected a "
- "build newer than timestamp %" PRIu64 " but package has "
- "timestamp %" PRIu64 " and downgrade not allowed.\n",
- build_timestampt, pkg_post_timespampt);
- return INSTALL_ERROR;
- }
- if (pkg_pre_build_fingerprint.empty()) {
- printf("Downgrade package must have a pre-build version set, not "
- "allowed.\n");
- return INSTALL_ERROR;
- }
- }
-
return 0;
}