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Android 15.0.0 Release 14 (AP4A.250205.002)

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Merge tag 'android-15.0.0_r14' into staging/lineage-22.1_merge-android-15.0.0_r14

Android 15.0.0 Release 14 (AP4A.250205.002)

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# gpg: Signature made Tue Feb  4 23:45:53 2025 EET
# gpg:                using DSA key 4340D13570EF945E83810964E8AD3F819AB10E78
# gpg: Good signature from "The Android Open Source Project <initial-contribution@android.com>" [ultimate]

# By David Anderson
# Via Android Build Coastguard Worker
* tag 'android-15.0.0_r14':
  libdm: Redact keys from dm-crypt targets when calling GetTable.

Change-Id: I88baf10a62473ef584efbcce461dc0149ee138f4
This commit is contained in:
Michael Bestas 2025-02-05 17:53:13 +02:00
commit 5860c0fa2e
2 changed files with 42 additions and 0 deletions
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14
fs_mgr/libdm/dm.cpp
View file

@ -551,6 +551,17 @@ bool DeviceMapper::GetTableInfo(const std::string& name, std::vector<TargetInfo>
return GetTable(name, DM_STATUS_TABLE_FLAG, table);
}
void RedactTableInfo(const struct dm_target_spec& spec, std::string* data) {
if (DeviceMapper::GetTargetType(spec) == "crypt") {
auto parts = android::base::Split(*data, " ");
if (parts.size() < 2) {
return;
}
parts[1] = "redacted";
*data = android::base::Join(parts, " ");
}
}
// private methods of DeviceMapper
bool DeviceMapper::GetTable(const std::string& name, uint32_t flags,
std::vector<TargetInfo>* table) {
@ -589,6 +600,9 @@ bool DeviceMapper::GetTable(const std::string& name, uint32_t flags,
// Note: we use c_str() to eliminate any extra trailing 0s.
data = std::string(&buffer[data_offset], next_cursor - data_offset).c_str();
}
if (flags & DM_STATUS_TABLE_FLAG) {
RedactTableInfo(*spec, &data);
}
table->emplace_back(*spec, data);
cursor = next_cursor;
}

28
fs_mgr/libdm/dm_test.cpp
View file

@ -814,3 +814,31 @@ TEST_F(DmTest, ThinProvisioning) {
TempDevice thin("thin", thinTable);
ASSERT_TRUE(thin.valid());
}
TEST_F(DmTest, RedactDmCrypt) {
static constexpr uint64_t kImageSize = 65536;
unique_fd temp_file(CreateTempFile("file_1", kImageSize));
ASSERT_GE(temp_file, 0);
LoopDevice loop(temp_file, 10s);
ASSERT_TRUE(loop.valid());
static constexpr const char* kAlgorithm = "aes-cbc-essiv:sha256";
static constexpr const char* kKey = "0e64ef514e6a1315b1f6390cb57c9e6a";
auto target = std::make_unique<DmTargetCrypt>(0, kImageSize / 512, kAlgorithm, kKey, 0,
loop.device(), 0);
target->AllowDiscards();
DmTable table;
table.AddTarget(std::move(target));
auto& dm = DeviceMapper::Instance();
std::string crypt_path;
ASSERT_TRUE(dm.CreateDevice(test_name_, table, &crypt_path, 10s));
std::vector<DeviceMapper::TargetInfo> targets;
ASSERT_TRUE(dm.GetTableInfo(test_name_, &targets));
ASSERT_EQ(targets.size(), 1);
EXPECT_EQ(targets[0].data.find(kKey), std::string::npos);
}