/*
* This function might request a reboot, in which case it will
* not return.
*/
int do_mount_all(int nargs, char **args)
{
pid_t pid;
int ret = -1;
int child_ret = -1;
int status;
char boot_mode[PROP_VALUE_MAX] = {0};
struct fstab *fstab;
if (nargs != 2) {
return -1;
}
/*
* Call fs_mgr_mount_all() to mount all filesystems. We fork(2) and
* do the call in the child to provide protection to the main init
* process if anything goes wrong (crash or memory leak), and wait for
* the child to finish in the parent.
*/
pid = fork();
if (pid > 0) {
/* Parent. Wait for the child to return */
int wp_ret = TEMP_FAILURE_RETRY(waitpid(pid, &status, 0));
if (wp_ret < 0) {
/* Unexpected error code. We will continue anyway. */
NOTICE("waitpid failed rc=%d: %s\n", wp_ret, strerror(errno));
}
if (WIFEXITED(status)) {
ret = WEXITSTATUS(status);
} else {
ret = -1;
}
} else if (pid == 0) {
/* child, call fs_mgr_mount_all() */
klog_set_level(6); /* So we can see what fs_mgr_mount_all() does */
fstab = fs_mgr_read_fstab(args[1]);
child_ret = fs_mgr_mount_all(fstab);
fs_mgr_free_fstab(fstab);
if (child_ret == -1) {
ERROR("fs_mgr_mount_all returned an error\n");
}
_exit(child_ret);
} else {
/* fork failed, return an error */
return -1;
}
if (ret == FS_MGR_MNTALL_DEV_NEEDS_ENCRYPTION) {
property_set("vold.decrypt", "trigger_encryption");
} else if (ret == FS_MGR_MNTALL_DEV_MIGHT_BE_ENCRYPTED) {
property_set("ro.crypto.state", "encrypted");
property_set("ro.crypto.type", "block");
property_set("vold.decrypt", "trigger_default_encryption");
} else if (ret == FS_MGR_MNTALL_DEV_NOT_ENCRYPTED) {
property_set("ro.crypto.state", "unencrypted");
/* If fs_mgr determined this is an unencrypted device and we are
* not booting into ffbm(fast factory boot mode),then trigger
* that action.
*/
property_get("ro.bootmode", boot_mode);
if (strncmp(boot_mode, "ffbm", 4))
action_for_each_trigger("nonencrypted", action_add_queue_tail);
} else if (ret == FS_MGR_MNTALL_DEV_NEEDS_RECOVERY) {
/* Setup a wipe via recovery, and reboot into recovery */
ERROR("fs_mgr_mount_all suggested recovery, so wiping data via recovery.\n");
ret = wipe_data_via_recovery();
/* If reboot worked, there is no return. */
} else if (ret == FS_MGR_MNTALL_DEV_DEFAULT_FILE_ENCRYPTED) {
if (e4crypt_install_keyring()) {
return -1;
}
property_set("ro.crypto.state", "encrypted");
property_set("ro.crypto.type", "file");
// Although encrypted, we have device key, so we do not need to
// do anything different from the nonencrypted case.
property_get("ro.bootmode", boot_mode);
if (strncmp(boot_mode, "ffbm", 4))
action_for_each_trigger("nonencrypted", action_add_queue_tail);
} else if (ret == FS_MGR_MNTALL_DEV_NON_DEFAULT_FILE_ENCRYPTED) {
if (e4crypt_install_keyring()) {
return -1;
}
property_set("ro.crypto.state", "encrypted");
property_set("ro.crypto.type", "file");
property_set("vold.decrypt", "trigger_restart_min_framework");
} else if (ret > 0) {
ERROR("fs_mgr_mount_all returned unexpected error %d\n", ret);
}
/* else ... < 0: error */
return ret;
}
/*
* This function might request a reboot, in which case it will
* not return.
*/
int do_mount_all(int nargs, char **args)
{
pid_t pid;
int ret = -1;
int child_ret = -1;
int status;
struct fstab *fstab;
if (nargs != 2) {
return -1;
}
/*
* Call fs_mgr_mount_all() to mount all filesystems. We fork(2) and
* do the call in the child to provide protection to the main init
* process if anything goes wrong (crash or memory leak), and wait for
* the child to finish in the parent.
*/
pid = fork();
if (pid > 0) {
/* Parent. Wait for the child to return */
int wp_ret = TEMP_FAILURE_RETRY(waitpid(pid, &status, 0));
if (wp_ret < 0) {
/* Unexpected error code. We will continue anyway. */
NOTICE("waitpid failed rc=%d, errno=%d\n", wp_ret, errno);
}
if (WIFEXITED(status)) {
ret = WEXITSTATUS(status);
} else {
ret = -1;
}
} else if (pid == 0) {
/* child, call fs_mgr_mount_all() */
klog_set_level(6); /* So we can see what fs_mgr_mount_all() does */
fstab = fs_mgr_read_fstab(args[1]);
child_ret = fs_mgr_mount_all(fstab);
fs_mgr_free_fstab(fstab);
if (child_ret == -1) {
ERROR("fs_mgr_mount_all returned an error\n");
}
_exit(child_ret);
} else {
/* fork failed, return an error */
return -1;
}
if (ret == FS_MGR_MNTALL_DEV_NEEDS_ENCRYPTION) {
property_set("vold.decrypt", "trigger_encryption");
} else if (ret == FS_MGR_MNTALL_DEV_MIGHT_BE_ENCRYPTED) {
property_set("ro.crypto.state", "encrypted");
property_set("vold.decrypt", "trigger_default_encryption");
} else if (ret == FS_MGR_MNTALL_DEV_NOT_ENCRYPTED) {
property_set("ro.crypto.state", "unencrypted");
/* If fs_mgr determined this is an unencrypted device, then trigger
* that action.
*/
action_for_each_trigger("nonencrypted", action_add_queue_tail);
} else if (ret == FS_MGR_MNTALL_DEV_NEEDS_RECOVERY) {
/* Setup a wipe via recovery, and reboot into recovery */
ERROR("fs_mgr_mount_all suggested recovery, so wiping data via recovery.\n");
ret = wipe_data_via_recovery();
/* If reboot worked, there is no return. */
} else if (ret > 0) {
ERROR("fs_mgr_mount_all returned unexpected error %d\n", ret);
}
/* else ... < 0: error */
return ret;
}
