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authorTreehugger Robot <treehugger-gerrit@google.com>2019-03-14 12:00:30 +0100
committerGerrit Code Review <noreply-gerritcodereview@google.com>2019-03-14 12:00:30 +0100
commit2e6fbfc31e225932fdb9ad7edab8762bf3ef3670 (patch)
tree5fff518c791b8a97932cb75eaaa38b3798b33cf6 /update_verifier/update_verifier.cpp
parentMerge "update_verifier: Add some missing #include's." (diff)
parentUpdate_verifier: Remove the support for legacy text format CareMap (diff)
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Diffstat (limited to 'update_verifier/update_verifier.cpp')
-rw-r--r--update_verifier/update_verifier.cpp47
1 files changed, 3 insertions, 44 deletions
diff --git a/update_verifier/update_verifier.cpp b/update_verifier/update_verifier.cpp
index ce93a4675..0cf536ce6 100644
--- a/update_verifier/update_verifier.cpp
+++ b/update_verifier/update_verifier.cpp
@@ -71,6 +71,7 @@ using android::hardware::boot::V1_0::IBootControl;
using android::hardware::boot::V1_0::BoolResult;
using android::hardware::boot::V1_0::CommandResult;
+// TODO(xunchang) remove the prefix and use a default path instead.
constexpr const char* kDefaultCareMapPrefix = "/data/ota_package/care_map";
// Find directories in format of "/sys/block/dm-X".
@@ -199,51 +200,13 @@ bool UpdateVerifier::VerifyPartitions() {
return true;
}
-bool UpdateVerifier::ParseCareMapPlainText(const std::string& content) {
- // care_map file has up to six lines, where every two lines make a pair. Within each pair, the
- // first line has the partition name (e.g. "system"), while the second line holds the ranges of
- // all the blocks to verify.
- auto lines = android::base::Split(android::base::Trim(content), "\n");
- if (lines.size() != 2 && lines.size() != 4 && lines.size() != 6) {
- LOG(WARNING) << "Invalid lines in care_map: found " << lines.size()
- << " lines, expecting 2 or 4 or 6 lines.";
- return false;
- }
-
- for (size_t i = 0; i < lines.size(); i += 2) {
- const std::string& partition_name = lines[i];
- const std::string& range_str = lines[i + 1];
- // We're seeing an N care_map.txt. Skip the verification since it's not compatible with O
- // update_verifier (the last few metadata blocks can't be read via device mapper).
- if (android::base::StartsWith(partition_name, "/dev/block/")) {
- LOG(WARNING) << "Found legacy care_map.txt; skipped.";
- return false;
- }
-
- // For block range string, first integer 'count' equals 2 * total number of valid ranges,
- // followed by 'count' number comma separated integers. Every two integers reprensent a
- // block range with the first number included in range but second number not included.
- // For example '4,64536,65343,74149,74150' represents: [64536,65343) and [74149,74150).
- RangeSet ranges = RangeSet::Parse(range_str);
- if (!ranges) {
- LOG(WARNING) << "Error parsing RangeSet string " << range_str;
- return false;
- }
-
- partition_map_.emplace(partition_name, ranges);
- }
-
- return true;
-}
-
bool UpdateVerifier::ParseCareMap() {
partition_map_.clear();
std::string care_map_name = care_map_prefix_ + ".pb";
if (access(care_map_name.c_str(), R_OK) == -1) {
- LOG(WARNING) << care_map_name
- << " doesn't exist, falling back to read the care_map in plain text format.";
- care_map_name = care_map_prefix_ + ".txt";
+ LOG(ERROR) << care_map_name << " doesn't exist";
+ return false;
}
android::base::unique_fd care_map_fd(TEMP_FAILURE_RETRY(open(care_map_name.c_str(), O_RDONLY)));
@@ -266,10 +229,6 @@ bool UpdateVerifier::ParseCareMap() {
return false;
}
- if (android::base::EndsWith(care_map_name, ".txt")) {
- return ParseCareMapPlainText(file_content);
- }
-
recovery_update_verifier::CareMap care_map;
if (!care_map.ParseFromString(file_content)) {
LOG(WARNING) << "Failed to parse " << care_map_name << " in protobuf format.";