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Rename key_dir to metadata_key_dir and refactor

Browse source 
Bug: 147814592
Test: Crosshatch boots
Change-Id: I18b03486d2e93c6103880d1af68d9f70147fde63
This commit is contained in:
Paul Crowley 2020-01-30 16:03:45 -08:00
parent 838b1a1f94
commit 7823e327c1
5 changed files with 23 additions and 11 deletions
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4
fs_mgr/fs_mgr.cpp
View file

@ -887,7 +887,7 @@ static bool needs_block_encryption(const FstabEntry& entry) {
}
static bool should_use_metadata_encryption(const FstabEntry& entry) {
return !entry.key_dir.empty() &&
return !entry.metadata_key_dir.empty() &&
(entry.fs_mgr_flags.file_encryption || entry.fs_mgr_flags.force_fde_or_fbe);
}
@ -1159,7 +1159,7 @@ static void WrapUserdata(FstabEntry* entry, dev_t dev, const std::string& block_
static void WrapUserdataIfNeeded(FstabEntry* entry, const std::string& actual_block_device = {}) {
const auto& block_device =
actual_block_device.empty() ? entry->blk_device : actual_block_device;
if (entry->mount_point != "/data" || !entry->key_dir.empty() ||
if (entry->mount_point != "/data" || !entry->metadata_key_dir.empty() ||
android::base::StartsWith(block_device, "/dev/block/dm-")) {
return;
}

6
fs_mgr/fs_mgr_fstab.cpp
View file

@ -276,7 +276,7 @@ void ParseFsMgrFlags(const std::string& flags, FstabEntry* entry) {
entry->vbmeta_partition = arg;
} else if (StartsWith(flag, "keydirectory=")) {
// The metadata flag is followed by an = and the directory for the keys.
entry->key_dir = arg;
entry->metadata_key_dir = arg;
} else if (StartsWith(flag, "sysfs_path=")) {
// The path to trigger device gc by idle-maint of vold.
entry->sysfs_path = arg;
@ -591,8 +591,8 @@ void TransformFstabForDsu(Fstab* fstab, const std::vector<std::string>& dsu_part
userdata.blk_device = "userdata_gsi";
userdata.fs_mgr_flags.logical = true;
userdata.fs_mgr_flags.formattable = true;
if (!userdata.key_dir.empty()) {
userdata.key_dir += "/gsi";
if (!userdata.metadata_key_dir.empty()) {
userdata.metadata_key_dir += "/gsi";
}
} else {
userdata = BuildDsuUserdataFstabEntry();

2
fs_mgr/include_fstab/fstab/fstab.h
View file

@ -37,7 +37,7 @@ struct FstabEntry {
unsigned long flags = 0;
std::string fs_options;
std::string key_loc;
std::string key_dir;
std::string metadata_key_dir;
off64_t length = 0;
std::string label;
int partnum = -1;

16
fs_mgr/libdm/dm_target.cpp
View file

@ -244,8 +244,20 @@ std::string DmTargetCrypt::GetParameterString() const {
}
std::string DmTargetDefaultKey::GetParameterString() const {
return cipher_ + " " + key_ + " " + blockdev_ + " " + std::to_string(start_sector_) +
(set_dun_ ? " 1 set_dun" : "");
std::vector<std::string> argv;
argv.emplace_back(cipher_);
argv.emplace_back(key_);
argv.emplace_back(blockdev_);
argv.push_back(std::to_string(start_sector_));
std::vector<std::string> extra_argv;
if (set_dun_) {
extra_argv.emplace_back("set_dun");
}
if (!extra_argv.empty()) {
argv.emplace_back(std::to_string(extra_argv.size()));
argv.insert(argv.end(), extra_argv.begin(), extra_argv.end());
}
return android::base::Join(argv, " ");
}
} // namespace dm

6
fs_mgr/tests/fs_mgr_test.cpp
View file

@ -413,7 +413,7 @@ source none2 swap defaults forcefdeorfbe=
EXPECT_TRUE(CompareFlags(flags, entry->fs_mgr_flags));
}
EXPECT_EQ("", entry->key_loc);
EXPECT_EQ("", entry->key_dir);
EXPECT_EQ("", entry->metadata_key_dir);
EXPECT_EQ(0, entry->length);
EXPECT_EQ("", entry->label);
EXPECT_EQ(-1, entry->partnum);
@ -440,7 +440,7 @@ source none2 swap defaults forcefdeorfbe=
EXPECT_TRUE(CompareFlags(flags, entry->fs_mgr_flags));
}
EXPECT_EQ("", entry->key_loc);
EXPECT_EQ("", entry->key_dir);
EXPECT_EQ("", entry->metadata_key_dir);
EXPECT_EQ(0, entry->length);
EXPECT_EQ("", entry->label);
EXPECT_EQ(-1, entry->partnum);
@ -892,7 +892,7 @@ source none0 swap defaults keydirectory=/dir/key
FstabEntry::FsMgrFlags flags = {};
EXPECT_TRUE(CompareFlags(flags, entry->fs_mgr_flags));
EXPECT_EQ("/dir/key", entry->key_dir);
EXPECT_EQ("/dir/key", entry->metadata_key_dir);
}
TEST(fs_mgr, ReadFstabFromFile_FsMgrOptions_SysfsPath) {