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Merge "Pass wiped and fs_type to vold to format encrypted partition"

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This commit is contained in:
Jaegeuk Kim 2021-01-06 19:12:34 +00:00 committed by Gerrit Code Review
commit 7ef01c913f
1 changed files with 25 additions and 2 deletions
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27
fs_mgr/fs_mgr.cpp
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@ -1324,6 +1324,7 @@ MountAllResult fs_mgr_mount_all(Fstab* fstab, int mount_mode) {
int error_count = 0;
CheckpointManager checkpoint_manager;
AvbUniquePtr avb_handle(nullptr);
bool wiped = false;
bool userdata_mounted = false;
if (fstab->empty()) {
@ -1457,7 +1458,8 @@ MountAllResult fs_mgr_mount_all(Fstab* fstab, int mount_mode) {
encryptable = status;
if (status == FS_MGR_MNTALL_DEV_NEEDS_METADATA_ENCRYPTION) {
if (!call_vdc({"cryptfs", "encryptFstab", attempted_entry.blk_device,
attempted_entry.mount_point},
attempted_entry.mount_point, wiped ? "true" : "false",
attempted_entry.fs_type},
nullptr)) {
LERROR << "Encryption failed";
set_type_property(encryptable);
@ -1474,7 +1476,7 @@ MountAllResult fs_mgr_mount_all(Fstab* fstab, int mount_mode) {
}
// Mounting failed, understand why and retry.
bool wiped = partition_wiped(current_entry.blk_device.c_str());
wiped = partition_wiped(current_entry.blk_device.c_str());
bool crypt_footer = false;
if (mount_errno != EBUSY && mount_errno != EACCES &&
current_entry.fs_mgr_flags.formattable && wiped) {
@ -1499,6 +1501,27 @@ MountAllResult fs_mgr_mount_all(Fstab* fstab, int mount_mode) {
} else if (current_entry.is_encryptable() && current_entry.key_loc == KEY_IN_FOOTER) {
crypt_footer = true;
}
// EncryptInplace will be used when vdc gives an error or needs to format partitions
// other than /data
if (should_use_metadata_encryption(current_entry) &&
current_entry.mount_point == "/data") {
// vdc->Format requires "ro.crypto.type" to set an encryption flag
encryptable = FS_MGR_MNTALL_DEV_IS_METADATA_ENCRYPTED;
set_type_property(encryptable);
if (!call_vdc({"cryptfs", "encryptFstab", current_entry.blk_device,
current_entry.mount_point, "true" /* shouldFormat */,
current_entry.fs_type},
nullptr)) {
LERROR << "Encryption failed";
} else {
userdata_mounted = true;
continue;
}
}
if (fs_mgr_do_format(current_entry, crypt_footer) == 0) {
// Let's replay the mount actions.
i = top_idx - 1;