Add fileencrypted=software/ice to fstab options

Bug: 28616054
Change-Id: If9dd4a17641412607ca4e4fed7f7dbf661ff0d25
This commit is contained in:
Paul Lawrence 2016-05-05 11:00:44 -07:00
parent bd8c47e2d4
commit 5b8a108ef5
2 changed files with 29 additions and 1 deletions

View file

@ -32,6 +32,7 @@ struct fs_mgr_flag_values {
int partnum;
int swap_prio;
unsigned int zram_size;
int file_encryption_type;
};
struct flag_list {
@ -63,7 +64,7 @@ static struct flag_list fs_mgr_flags[] = {
{ "check", MF_CHECK },
{ "encryptable=",MF_CRYPT },
{ "forceencrypt=",MF_FORCECRYPT },
{ "fileencryption",MF_FILEENCRYPTION },
{ "fileencryption=",MF_FILEENCRYPTION },
{ "forcefdeorfbe=",MF_FORCEFDEORFBE },
{ "nonremovable",MF_NONREMOVABLE },
{ "voldmanaged=",MF_VOLDMANAGED},
@ -81,6 +82,12 @@ static struct flag_list fs_mgr_flags[] = {
{ 0, 0 },
};
static struct flag_list encryption_types[] = {
{"software", ET_SOFTWARE},
{"ice", ET_ICE},
{0, 0}
};
static uint64_t calculate_zram_size(unsigned int percentage)
{
uint64_t total;
@ -147,6 +154,21 @@ static int parse_flags(char *flags, struct flag_list *fl,
* location of the keys. Get it and return it.
*/
flag_vals->key_loc = strdup(strchr(p, '=') + 1);
flag_vals->file_encryption_type = ET_SOFTWARE;
} else if ((fl[i].flag == MF_FILEENCRYPTION) && flag_vals) {
/* The fileencryption flag is followed by an = and the
* type of the encryption. Get it and return it.
*/
const struct flag_list *j;
const char *type = strchr(p, '=') + 1;
for (j = encryption_types; j->name; ++j) {
if (!strcmp(type, j->name)) {
flag_vals->file_encryption_type = j->flag;
}
}
if (flag_vals->file_encryption_type == 0) {
ERROR("Unknown file encryption type: %s\n", type);
}
} else if ((fl[i].flag == MF_LENGTH) && flag_vals) {
/* The length flag is followed by an = and the
* size of the partition. Get it and return it.
@ -337,6 +359,7 @@ struct fstab *fs_mgr_read_fstab(const char *fstab_path)
fstab->recs[cnt].partnum = flag_vals.partnum;
fstab->recs[cnt].swap_prio = flag_vals.swap_prio;
fstab->recs[cnt].zram_size = flag_vals.zram_size;
fstab->recs[cnt].file_encryption_type = flag_vals.file_encryption_type;
cnt++;
}
/* If an A/B partition, modify block device to be the real block device */

View file

@ -65,6 +65,7 @@ struct fstab_rec {
int partnum;
int swap_prio;
unsigned int zram_size;
int file_encryption_type;
};
// Callback function for verity status
@ -85,6 +86,10 @@ int fs_mgr_mount_all(struct fstab *fstab);
#define FS_MGR_DOMNT_FAILED -1
#define FS_MGR_DOMNT_BUSY -2
#define ET_SOFTWARE 1
#define ET_ICE 2
int fs_mgr_do_mount(struct fstab *fstab, char *n_name, char *n_blk_device,
char *tmp_mount_point);
int fs_mgr_do_tmpfs_mount(char *n_name);