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platform_system_core
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Provide a way to select force encryption from vendor partition 

This allows a vendor to force encryption on devices via a vendor
partition flag:

ro.vold.forceencryption 1

Bug: 18764230
Change-Id: Id0049ce64e34e4f6f96e593aadd70c277ac131c8
This commit is contained in:
Paul Lawrence 2015-01-07 11:44:51 -08:00
parent 9c4c5a6ed9
commit 2f7ee6b7dd
1 changed files with 12 additions and 1 deletions
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13
fs_mgr/fs_mgr.c
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@ -258,6 +258,15 @@ static int device_is_secure() {
return strcmp(value, "0") ? 1 : 0;
}
static int device_is_force_encrypted() {
int ret = -1;
char value[PROP_VALUE_MAX];
ret = __system_property_get("ro.vold.forceencryption", value);
if (ret < 0)
return 0;
return strcmp(value, "1") ? 0 : 1;
}
/*
* Tries to mount any of the consecutive fstab entries that match
* the mountpoint of the one given by fstab->recs[start_idx].
@ -468,7 +477,9 @@ int fs_mgr_mount_all(struct fstab *fstab)
/* Deal with encryptability. */
if (!mret) {
/* If this is encryptable, need to trigger encryption */
if ((fstab->recs[attempted_idx].fs_mgr_flags & MF_FORCECRYPT)) {
if ( (fstab->recs[attempted_idx].fs_mgr_flags & MF_FORCECRYPT)
|| (device_is_force_encrypted()
&& fs_mgr_is_encryptable(&fstab->recs[attempted_idx]))) {
if (umount(fstab->recs[attempted_idx].mount_point) == 0) {
if (encryptable == FS_MGR_MNTALL_DEV_NOT_ENCRYPTED) {
ERROR("Will try to encrypt %s %s\n", fstab->recs[attempted_idx].mount_point,