int icusb_storage_do_unmomunt()
{
int ret = 0;
if(isMountpointMounted("/mnt/udisk/folder1"))
{
icusb_print(PRINT_WARN, "[ICUSB][INFO] ====> icusb_storage_do_unmomunt1 .\n");
ret = icusb_do_exec(vdc_cmd, unmount_stor1_argv) ;
}
icusb_print(PRINT_WARN, "[ICUSB][INFO] unmomunt icusb_storage1, return %d \n", ret);
if(isMountpointMounted("/mnt/udisk/folder2"))
{
icusb_print(PRINT_WARN, "[ICUSB][INFO] ====> icusb_storage_do_unmomunt2 .\n");
if(ret == 0)
ret = icusb_do_exec(vdc_cmd, unmount_stor2_argv) ;
}
icusb_print(PRINT_WARN, "[ICUSB][INFO] unmomunt icusb_storage2, return %d \n", ret);
icusb_print(PRINT_WARN, "[ICUSB][INFO] <==== icusb_storage_do_unmomunt\n");
return ret ;
}
int VolumeManager::renameAsec(const char *id1, const char *id2) {
char asecFilename1[255];
char *asecFilename2;
char mountPoint[255];
const char *dir;
if (findAsec(id1, asecFilename1, sizeof(asecFilename1), &dir)) {
SLOGE("Couldn't find ASEC %s", id1);
return -1;
}
asprintf(&asecFilename2, "%s/%s.asec", dir, id2);
int written = snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id1);
if ((written < 0) || (size_t(written) >= sizeof(mountPoint))) {
SLOGE("Rename failed: couldn't construct mountpoint");
goto out_err;
}
if (isMountpointMounted(mountPoint)) {
SLOGW("Rename attempt when src mounted");
errno = EBUSY;
goto out_err;
}
written = snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id2);
if ((written < 0) || (size_t(written) >= sizeof(mountPoint))) {
SLOGE("Rename failed: couldn't construct mountpoint2");
goto out_err;
}
if (isMountpointMounted(mountPoint)) {
SLOGW("Rename attempt when dst mounted");
errno = EBUSY;
goto out_err;
}
if (!access(asecFilename2, F_OK)) {
SLOGE("Rename attempt when dst exists");
errno = EADDRINUSE;
goto out_err;
}
if (rename(asecFilename1, asecFilename2)) {
SLOGE("Rename of '%s' to '%s' failed (%s)", asecFilename1, asecFilename2, strerror(errno));
goto out_err;
}
free(asecFilename2);
return 0;
out_err:
free(asecFilename2);
return -1;
}
int VolumeManager::destroyAsec(const char *id, bool force) {
char asecFileName[255];
char mountPoint[255];
if (findAsec(id, asecFileName, sizeof(asecFileName))) {
SLOGE("Couldn't find ASEC %s", id);
return -1;
}
int written = snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id);
if ((written < 0) || (size_t(written) >= sizeof(mountPoint))) {
SLOGE("ASEC destroy failed for %s: couldn't construct mountpoint", id);
return -1;
}
if (isMountpointMounted(mountPoint)) {
if (mDebug) {
SLOGD("Unmounting container before destroy");
}
if (unmountAsec(id, force)) {
SLOGE("Failed to unmount asec %s for destroy (%s)", id, strerror(errno));
return -1;
}
}
if (unlink(asecFileName)) {
SLOGE("Failed to unlink asec '%s' (%s)", asecFileName, strerror(errno));
return -1;
}
if (mDebug) {
SLOGD("ASEC %s destroyed", id);
}
return 0;
}
int VolumeManager::destroyAsec(const char *id, bool force) {
char asecFileName[255];
char mountPoint[255];
snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id);
snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id);
if (isMountpointMounted(mountPoint)) {
if (mDebug) {
SLOGD("Unmounting container before destroy");
}
if (unmountAsec(id, force)) {
SLOGE("Failed to unmount asec %s for destroy (%s)", id, strerror(errno));
return -1;
}
}
if (unlink(asecFileName)) {
SLOGE("Failed to unlink asec '%s' (%s)", asecFileName, strerror(errno));
return -1;
}
if (mDebug) {
SLOGD("ASEC %s destroyed", id);
}
return 0;
}
int Volume::formatVol() {
if (getState() == Volume::State_NoMedia) {
errno = ENODEV;
return -1;
} else if (getState() != Volume::State_Idle) {
errno = EBUSY;
return -1;
}
if (isMountpointMounted(getMountpoint())) {
SLOGW("Volume is idle but appears to be mounted - fixing");
setState(Volume::State_Mounted);
// mCurrentlyMountedKdev = XXX
errno = EBUSY;
return -1;
}
bool formatEntireDevice = (mPartIdx == -1);
char devicePath[255];
dev_t diskNode = getDiskDevice();
dev_t partNode = MKDEV(MAJOR(diskNode), (formatEntireDevice ? 1 : mPartIdx));
setState(Volume::State_Formatting);
int ret = -1;
// Only initialize the MBR if we are formatting the entire device
if (formatEntireDevice) {
sprintf(devicePath, "/dev/block/vold/%d:%d",
MAJOR(diskNode), MINOR(diskNode));
if (initializeMbr(devicePath)) {
SLOGE("Failed to initialize MBR (%s)", strerror(errno));
goto err;
}
}
sprintf(devicePath, "/dev/block/vold/%d:%d",
MAJOR(partNode), MINOR(partNode));
if (mDebug) {
SLOGI("Formatting volume %s (%s)", getLabel(), devicePath);
}
if (Fat::format(devicePath, 0)) {
SLOGE("Failed to format (%s)", strerror(errno));
goto err;
}
ret = 0;
err:
setState(Volume::State_Idle);
return ret;
}
int VolumeManager::renameAsec(const char *id1, const char *id2) {
char *asecFilename1;
char *asecFilename2;
char mountPoint[255];
asprintf(&asecFilename1, "%s/%s.asec", Volume::SEC_ASECDIR, id1);
asprintf(&asecFilename2, "%s/%s.asec", Volume::SEC_ASECDIR, id2);
snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id1);
if (isMountpointMounted(mountPoint)) {
SLOGW("Rename attempt when src mounted");
errno = EBUSY;
goto out_err;
}
snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id2);
if (isMountpointMounted(mountPoint)) {
SLOGW("Rename attempt when dst mounted");
errno = EBUSY;
goto out_err;
}
if (!access(asecFilename2, F_OK)) {
SLOGE("Rename attempt when dst exists");
errno = EADDRINUSE;
goto out_err;
}
if (rename(asecFilename1, asecFilename2)) {
SLOGE("Rename of '%s' to '%s' failed (%s)", asecFilename1, asecFilename2, strerror(errno));
goto out_err;
}
free(asecFilename1);
free(asecFilename2);
return 0;
out_err:
free(asecFilename1);
free(asecFilename2);
return -1;
}
int Volume::formatVol() {
if (getState() == Volume::State_NoMedia) {
errno = ENODEV;
return -1;
} else if (getState() != Volume::State_Idle) {
errno = EBUSY;
return -1;
}
if (isMountpointMounted(getMountpoint())) {
SLOGW("Volume is idle but appears to be mounted - fixing");
setState(Volume::State_Mounted);
// mCurrentlyMountedKdev = XXX
errno = EBUSY;
return -1;
}
char devicePath[255];
dev_t diskNode = getDiskDevice();
dev_t partNode = MKDEV(MAJOR(diskNode), 1); // XXX: Hmmm
sprintf(devicePath, "/dev/block/vold/%d:%d",
MAJOR(diskNode), MINOR(diskNode));
if (mDebug) {
SLOGI("Formatting volume %s (%s)", getLabel(), devicePath);
}
setState(Volume::State_Formatting);
if (initializeMbr(devicePath)) {
SLOGE("Failed to initialize MBR (%s)", strerror(errno));
goto err;
}
sprintf(devicePath, "/dev/block/vold/%d:%d",
MAJOR(partNode), MINOR(partNode));
if (Fat::format(devicePath, 0)) {
SLOGE("Failed to format (%s)", strerror(errno));
goto err;
}
setState(Volume::State_Idle);
return 0;
err:
return -1;
}
int VolumeManager::mountAsec(const char *id, const char *key, int ownerUid) {
char asecFileName[255];
char mountPoint[255];
snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id);
snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id);
if (isMountpointMounted(mountPoint)) {
SLOGE("ASEC %s already mounted", id);
errno = EBUSY;
return -1;
}
char idHash[33];
if (!asecHash(id, idHash, sizeof(idHash))) {
SLOGE("Hash of '%s' failed (%s)", id, strerror(errno));
return -1;
}
char loopDevice[255];
if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) {
if (Loop::create(idHash, asecFileName, loopDevice, sizeof(loopDevice))) {
SLOGE("ASEC loop device creation failed (%s)", strerror(errno));
return -1;
}
if (mDebug) {
SLOGD("New loop device created at %s", loopDevice);
}
} else {
if (mDebug) {
SLOGD("Found active loopback for %s at %s", asecFileName, loopDevice);
}
}
char dmDevice[255];
bool cleanupDm = false;
int fd;
unsigned int nr_sec = 0;
if ((fd = open(loopDevice, O_RDWR)) < 0) {
SLOGE("Failed to open loopdevice (%s)", strerror(errno));
Loop::destroyByDevice(loopDevice);
return -1;
}
if (ioctl(fd, BLKGETSIZE, &nr_sec)) {
SLOGE("Failed to get loop size (%s)", strerror(errno));
Loop::destroyByDevice(loopDevice);
close(fd);
return -1;
}
/*
* Validate superblock
*/
struct asec_superblock sb;
memset(&sb, 0, sizeof(sb));
if (lseek(fd, ((nr_sec-1) * 512), SEEK_SET) < 0) {
SLOGE("lseek failed (%s)", strerror(errno));
close(fd);
Loop::destroyByDevice(loopDevice);
return -1;
}
if (read(fd, &sb, sizeof(sb)) != sizeof(sb)) {
SLOGE("superblock read failed (%s)", strerror(errno));
close(fd);
Loop::destroyByDevice(loopDevice);
return -1;
}
close(fd);
if (mDebug) {
SLOGD("Container sb magic/ver (%.8x/%.2x)", sb.magic, sb.ver);
}
if (sb.magic != ASEC_SB_MAGIC || sb.ver != ASEC_SB_VER) {
SLOGE("Bad container magic/version (%.8x/%.2x)", sb.magic, sb.ver);
Loop::destroyByDevice(loopDevice);
errno = EMEDIUMTYPE;
return -1;
}
nr_sec--; // We don't want the devmapping to extend onto our superblock
if (strcmp(key, "none")) {
if (Devmapper::lookupActive(idHash, dmDevice, sizeof(dmDevice))) {
if (Devmapper::create(idHash, loopDevice, key, nr_sec,
dmDevice, sizeof(dmDevice))) {
SLOGE("ASEC device mapping failed (%s)", strerror(errno));
Loop::destroyByDevice(loopDevice);
return -1;
}
if (mDebug) {
SLOGD("New devmapper instance created at %s", dmDevice);
}
} else {
if (mDebug) {
SLOGD("Found active devmapper for %s at %s", asecFileName, dmDevice);
}
}
cleanupDm = true;
} else {
strcpy(dmDevice, loopDevice);
}
if (mkdir(mountPoint, 0777)) {
if (errno != EEXIST) {
SLOGE("Mountpoint creation failed (%s)", strerror(errno));
if (cleanupDm) {
Devmapper::destroy(idHash);
}
Loop::destroyByDevice(loopDevice);
return -1;
}
}
if (Fat::doMount(dmDevice, mountPoint, true, false, true, ownerUid, 0,
0222, false)) {
// 0227, false)) {
SLOGE("ASEC mount failed (%s)", strerror(errno));
if (cleanupDm) {
Devmapper::destroy(idHash);
}
Loop::destroyByDevice(loopDevice);
return -1;
}
mActiveContainers->push_back(new ContainerData(strdup(id), ASEC));
if (mDebug) {
SLOGD("ASEC %s mounted", id);
}
return 0;
}
int Volume::mountVol() {
dev_t deviceNodes[4];
int n, i, rc = 0;
char errmsg[255];
if (getState() == Volume::State_NoMedia) {
snprintf(errmsg, sizeof(errmsg),
"Volume %s %s mount failed - no media",
getLabel(), getMountpoint());
mVm->getBroadcaster()->sendBroadcast(
ResponseCode::VolumeMountFailedNoMedia,
errmsg, false);
errno = ENODEV;
return -1;
} else if (getState() != Volume::State_Idle) {
errno = EBUSY;
return -1;
}
if (isMountpointMounted(getMountpoint())) {
SLOGW("Volume is idle but appears to be mounted - fixing");
setState(Volume::State_Mounted);
// mCurrentlyMountedKdev = XXX
return 0;
}
n = getDeviceNodes((dev_t *) &deviceNodes, 4);
if (!n) {
SLOGE("Failed to get device nodes (%s)\n", strerror(errno));
return -1;
}
for (i = 0; i < n; i++) {
char devicePath[255];
sprintf(devicePath, "/dev/block/vold/%d:%d", MAJOR(deviceNodes[i]),
MINOR(deviceNodes[i]));
SLOGI("%s being considered for volume %s\n", devicePath, getLabel());
errno = 0;
setState(Volume::State_Checking);
if (Fat::check(devicePath)) {
if (errno == ENODATA) {
SLOGW("%s does not contain a FAT filesystem\n", devicePath);
continue;
}
errno = EIO;
/* Badness - abort the mount */
SLOGE("%s failed FS checks (%s)", devicePath, strerror(errno));
setState(Volume::State_Idle);
return -1;
}
/*
* Mount the device on our internal staging mountpoint so we can
* muck with it before exposing it to non priviledged users.
*/
errno = 0;
if (Fat::doMount(devicePath, "/mnt/secure/staging", false, false, false,
1000, 1015, 0702, true)) {
SLOGE("%s failed to mount via VFAT (%s)\n", devicePath, strerror(errno));
continue;
}
SLOGI("Device %s, target %s mounted @ /mnt/secure/staging", devicePath, getMountpoint());
protectFromAutorunStupidity();
if (createBindMounts()) {
SLOGE("Failed to create bindmounts (%s)", strerror(errno));
umount("/mnt/secure/staging");
setState(Volume::State_Idle);
return -1;
}
/*
* Now that the bindmount trickery is done, atomically move the
* whole subtree to expose it to non priviledged users.
*/
if (doMoveMount("/mnt/secure/staging", getMountpoint(), false)) {
SLOGE("Failed to move mount (%s)", strerror(errno));
umount("/mnt/secure/staging");
setState(Volume::State_Idle);
return -1;
}
setState(Volume::State_Mounted);
mCurrentlyMountedKdev = deviceNodes[i];
return 0;
}
SLOGE("Volume %s found no suitable devices for mounting :(\n", getLabel());
setState(Volume::State_Idle);
return -1;
}
/**
* Mounts an image file <code>img</code>.
*/
int VolumeManager::mountObb(const char *img, const char *key, int ownerGid) {
char mountPoint[255];
char idHash[33];
if (!asecHash(img, idHash, sizeof(idHash))) {
SLOGE("Hash of '%s' failed (%s)", img, strerror(errno));
return -1;
}
int written = snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::LOOPDIR, idHash);
if ((written < 0) || (size_t(written) >= sizeof(mountPoint))) {
SLOGE("OBB mount failed: couldn't construct mountpoint %s", img);
return -1;
}
if (isMountpointMounted(mountPoint)) {
SLOGE("Image %s already mounted", img);
errno = EBUSY;
return -1;
}
char loopDevice[255];
if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) {
if (Loop::create(idHash, img, loopDevice, sizeof(loopDevice))) {
SLOGE("Image loop device creation failed (%s)", strerror(errno));
return -1;
}
if (mDebug) {
SLOGD("New loop device created at %s", loopDevice);
}
} else {
if (mDebug) {
SLOGD("Found active loopback for %s at %s", img, loopDevice);
}
}
char dmDevice[255];
bool cleanupDm = false;
int fd;
unsigned int nr_sec = 0;
if ((fd = open(loopDevice, O_RDWR)) < 0) {
SLOGE("Failed to open loopdevice (%s)", strerror(errno));
Loop::destroyByDevice(loopDevice);
return -1;
}
if (ioctl(fd, BLKGETSIZE, &nr_sec)) {
SLOGE("Failed to get loop size (%s)", strerror(errno));
Loop::destroyByDevice(loopDevice);
close(fd);
return -1;
}
close(fd);
if (strcmp(key, "none")) {
if (Devmapper::lookupActive(idHash, dmDevice, sizeof(dmDevice))) {
if (Devmapper::create(idHash, loopDevice, key, nr_sec,
dmDevice, sizeof(dmDevice))) {
SLOGE("ASEC device mapping failed (%s)", strerror(errno));
Loop::destroyByDevice(loopDevice);
return -1;
}
if (mDebug) {
SLOGD("New devmapper instance created at %s", dmDevice);
}
} else {
if (mDebug) {
SLOGD("Found active devmapper for %s at %s", img, dmDevice);
}
}
cleanupDm = true;
} else {
strcpy(dmDevice, loopDevice);
}
if (mkdir(mountPoint, 0755)) {
if (errno != EEXIST) {
SLOGE("Mountpoint creation failed (%s)", strerror(errno));
if (cleanupDm) {
Devmapper::destroy(idHash);
}
Loop::destroyByDevice(loopDevice);
return -1;
}
}
if (Fat::doMount(dmDevice, mountPoint, true, false, true, 0, ownerGid,
0227, false)) {
SLOGE("Image mount failed (%s)", strerror(errno));
if (cleanupDm) {
Devmapper::destroy(idHash);
}
Loop::destroyByDevice(loopDevice);
return -1;
}
mActiveContainers->push_back(new ContainerData(strdup(img), OBB));
if (mDebug) {
SLOGD("Image %s mounted", img);
}
return 0;
}
int VolumeManager::unmountLoopImage(const char *id, const char *idHash,
const char *fileName, const char *mountPoint, bool force) {
if (!isMountpointMounted(mountPoint)) {
SLOGE("Unmount request for %s when not mounted", id);
errno = ENOENT;
return -1;
}
int i, rc;
for (i = 1; i <= UNMOUNT_RETRIES; i++) {
rc = umount(mountPoint);
if (!rc) {
break;
}
if (rc && (errno == EINVAL || errno == ENOENT)) {
SLOGI("Container %s unmounted OK", id);
rc = 0;
break;
}
SLOGW("%s unmount attempt %d failed (%s)",
id, i, strerror(errno));
int action = 0; // default is to just complain
if (force) {
if (i > (UNMOUNT_RETRIES - 2))
action = 2; // SIGKILL
else if (i > (UNMOUNT_RETRIES - 3))
action = 1; // SIGHUP
}
Process::killProcessesWithOpenFiles(mountPoint, action);
usleep(UNMOUNT_SLEEP_BETWEEN_RETRY_MS);
}
if (rc) {
errno = EBUSY;
SLOGE("Failed to unmount container %s (%s)", id, strerror(errno));
return -1;
}
int retries = 10;
while(retries--) {
if (!rmdir(mountPoint)) {
break;
}
SLOGW("Failed to rmdir %s (%s)", mountPoint, strerror(errno));
usleep(UNMOUNT_SLEEP_BETWEEN_RETRY_MS);
}
if (!retries) {
SLOGE("Timed out trying to rmdir %s (%s)", mountPoint, strerror(errno));
}
if (Devmapper::destroy(idHash) && errno != ENXIO) {
SLOGE("Failed to destroy devmapper instance (%s)", strerror(errno));
}
char loopDevice[255];
if (!Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) {
Loop::destroyByDevice(loopDevice);
} else {
SLOGW("Failed to find loop device for {%s} (%s)", fileName, strerror(errno));
}
AsecIdCollection::iterator it;
for (it = mActiveContainers->begin(); it != mActiveContainers->end(); ++it) {
ContainerData* cd = *it;
if (!strcmp(cd->id, id)) {
free(*it);
mActiveContainers->erase(it);
break;
}
}
if (it == mActiveContainers->end()) {
SLOGW("mActiveContainers is inconsistent!");
}
return 0;
}
void DirectVolume::handlePartitionAdded(const char *devpath, NetlinkEvent *evt) {
bool is_udisk = false;
int major = atoi(evt->findParam("MAJOR"));
int minor = atoi(evt->findParam("MINOR"));
int part_num;
const char *tmp = evt->findParam("PARTN");
if (tmp) {
part_num = atoi(tmp);
} else {
SLOGW("Kernel block uevent missing 'PARTN'");
part_num = 1;
}
if (part_num > MAX_PARTITIONS || part_num < 1) {
SLOGE("Invalid 'PARTN' value");
return;
}
if(strstr(devpath,"pci")&&strstr(devpath,"sd"))
is_udisk = true;
if (isMountpointMounted(getMountpoint())||
(is_udisk&&(getState()!=Volume::State_Pending))) {
SLOGD("not the first udisk in handlePartitionAdded %d %d\n",major,minor);
mountExtraPartition(major,minor);
return;
}
if (part_num > mDiskNumParts) {
mDiskNumParts = part_num;
}
if (major != mDiskMajor) {
SLOGE("Partition '%s' has a different major than its disk!", devpath);
return;
}
#ifdef PARTITION_DEBUG
SLOGD("Dv:partAdd: part_num = %d, minor = %d\n", part_num, minor);
#endif
if (part_num >= MAX_PARTITIONS) {
SLOGE("Dv:partAdd: ignoring part_num = %d (max: %d)\n", part_num, MAX_PARTITIONS-1);
} else {
mPartMinors[part_num -1] = minor;
}
if(mPendingPartMap>1)
mPendingPartMap = mPendingPartMap>>1;
//mPendingPartMap &= ~(1 << part_num);
if (mPendingPartMap==0x1) {
#ifdef PARTITION_DEBUG
SLOGD("Dv:partAdd: Got all partitions - ready to rock!");
#endif
if (getState() != Volume::State_Formatting) {
setState(Volume::State_Idle);
if (mRetryMount == true) {
mRetryMount = false;
mountVol();
}
}
} else {
#ifdef PARTITION_DEBUG
SLOGD("Dv:partAdd: pending mask now = 0x%x", mPendingPartMap);
#endif
}
}
int VolumeManager::mountAsec(const char *id, const char *key, int ownerUid) {
char asecFileName[255];
char mountPoint[255];
if (!isLegalAsecId(id)) {
SLOGE("mountAsec: Invalid asec id \"%s\"", id);
errno = EINVAL;
return -1;
}
if (findAsec(id, asecFileName, sizeof(asecFileName))) {
SLOGE("Couldn't find ASEC %s", id);
return -1;
}
int written = snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id);
if ((written < 0) || (size_t(written) >= sizeof(mountPoint))) {
SLOGE("ASEC mount failed: couldn't construct mountpoint %s", id);
return -1;
}
if (isMountpointMounted(mountPoint)) {
SLOGE("ASEC %s already mounted", id);
errno = EBUSY;
return -1;
}
char idHash[33];
if (!asecHash(id, idHash, sizeof(idHash))) {
SLOGE("Hash of '%s' failed (%s)", id, strerror(errno));
return -1;
}
char loopDevice[255];
if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) {
if (Loop::create(idHash, asecFileName, loopDevice, sizeof(loopDevice))) {
SLOGE("ASEC loop device creation failed (%s)", strerror(errno));
return -1;
}
if (mDebug) {
SLOGD("New loop device created at %s", loopDevice);
}
} else {
if (mDebug) {
SLOGD("Found active loopback for %s at %s", asecFileName, loopDevice);
}
}
char dmDevice[255];
bool cleanupDm = false;
unsigned int nr_sec = 0;
struct asec_superblock sb;
if (Loop::lookupInfo(loopDevice, &sb, &nr_sec)) {
return -1;
}
if (mDebug) {
SLOGD("Container sb magic/ver (%.8x/%.2x)", sb.magic, sb.ver);
}
if (sb.magic != ASEC_SB_MAGIC || sb.ver != ASEC_SB_VER) {
SLOGE("Bad container magic/version (%.8x/%.2x)", sb.magic, sb.ver);
Loop::destroyByDevice(loopDevice);
errno = EMEDIUMTYPE;
return -1;
}
nr_sec--; // We don't want the devmapping to extend onto our superblock
if (strcmp(key, "none")) {
if (Devmapper::lookupActive(idHash, dmDevice, sizeof(dmDevice))) {
if (Devmapper::create(idHash, loopDevice, key, nr_sec,
dmDevice, sizeof(dmDevice))) {
SLOGE("ASEC device mapping failed (%s)", strerror(errno));
Loop::destroyByDevice(loopDevice);
return -1;
}
if (mDebug) {
SLOGD("New devmapper instance created at %s", dmDevice);
}
} else {
if (mDebug) {
SLOGD("Found active devmapper for %s at %s", asecFileName, dmDevice);
}
}
cleanupDm = true;
} else {
strcpy(dmDevice, loopDevice);
}
if (mkdir(mountPoint, 0000)) {
if (errno != EEXIST) {
SLOGE("Mountpoint creation failed (%s)", strerror(errno));
if (cleanupDm) {
Devmapper::destroy(idHash);
}
Loop::destroyByDevice(loopDevice);
return -1;
}
}
/*
* The device mapper node needs to be created. Sometimes it takes a
* while. Wait for up to 1 second. We could also inspect incoming uevents,
* but that would take more effort.
*/
int tries = 25;
while (tries--) {
if (!access(dmDevice, F_OK) || errno != ENOENT) {
break;
}
usleep(40 * 1000);
}
int result;
if (sb.c_opts & ASEC_SB_C_OPTS_EXT4) {
result = Ext4::doMount(dmDevice, mountPoint, true, false, true, false);
} else {
result = Fat::doMount(dmDevice, mountPoint, true, false, true, ownerUid, 0, 0222, false);
}
if (result) {
SLOGE("ASEC mount failed (%s)", strerror(errno));
if (cleanupDm) {
Devmapper::destroy(idHash);
}
Loop::destroyByDevice(loopDevice);
return -1;
}
mActiveContainers->push_back(new ContainerData(strdup(id), ASEC));
if (mDebug) {
SLOGD("ASEC %s mounted", id);
}
return 0;
}
int Volume::mountVol() {
dev_t deviceNodes[MAX_SUP_PART];
// dev_t deviceNodes[4];
int n, i, curState, rc = 0;
char errmsg[255];
const char* externalStorage = getenv("EXTERNAL_STORAGE");
bool primaryStorage = externalStorage && !strcmp(getMountpoint(), externalStorage);
char decrypt_state[PROPERTY_VALUE_MAX];
char crypto_state[PROPERTY_VALUE_MAX];
char encrypt_progress[PROPERTY_VALUE_MAX];
int flags;
property_get("vold.decrypt", decrypt_state, "");
property_get("vold.encrypt_progress", encrypt_progress, "");
/* Don't try to mount the volumes if we have not yet entered the disk password
* or are in the process of encrypting.
*/
if ((getState() == Volume::State_NoMedia) ||
((!strcmp(decrypt_state, "1") || encrypt_progress[0]) && primaryStorage)) {
snprintf(errmsg, sizeof(errmsg),
"Volume %s %s mount failed - no media",
getLabel(), getMountpoint());
mVm->getBroadcaster()->sendBroadcast(
ResponseCode::VolumeMountFailedNoMedia,
errmsg, false);
errno = ENODEV;
return -1;
} else if (getState() != Volume::State_Idle) {
errno = EBUSY;
if (getState() == Volume::State_Pending) {
mRetryMount = true;
}
return -1;
}
if (isMountpointMounted(getMountpoint())) {
SLOGW("Volume is idle but appears to be mounted - fixing");
setState(Volume::State_Mounted);
// mCurrentlyMountedKdev = XXX
return 0;
}
#ifdef MTK_SHARED_SDCARD
if (IsEmmcStorage()) {
setState(Volume::State_Mounted);
return 0;
}
#endif
// n = getDeviceNodes((dev_t *) &deviceNodes, 4);
n = getDeviceNodes((dev_t *) &deviceNodes, MAX_SUP_PART);
if (!n) {
SLOGE("Failed to get device nodes (%s)\n", strerror(errno));
return -1;
}
SLOGD("Found %d device nodes", n);
#ifdef MTK_SD_REINIT_SUPPORT
if (!IsEmmcStorage()) {
SLOGD("Reinit SD card");
if (mVm->reinitExternalSD()){
SLOGD("Fail: reinitExternalSD()");
}
}
#endif
/* If we're running encrypted, and the volume is marked as encryptable and nonremovable,
* and vold is asking to mount the primaryStorage device, then we need to decrypt
* that partition, and update the volume object to point to it's new decrypted
* block device
*/
property_get("ro.crypto.state", crypto_state, "");
flags = getFlags();
if (primaryStorage &&
((flags & (VOL_NONREMOVABLE | VOL_ENCRYPTABLE))==(VOL_NONREMOVABLE | VOL_ENCRYPTABLE)) &&
!strcmp(crypto_state, "encrypted") && !isDecrypted()) {
char new_sys_path[MAXPATHLEN];
char nodepath[256];
int new_major, new_minor;
if (n != 1) {
/* We only expect one device node returned when mounting encryptable volumes */
SLOGE("Too many device nodes returned when mounting %d\n", getMountpoint());
return -1;
}
if (cryptfs_setup_volume(getLabel(), MAJOR(deviceNodes[0]), MINOR(deviceNodes[0]),
new_sys_path, sizeof(new_sys_path),
&new_major, &new_minor)) {
SLOGE("Cannot setup encryption mapping for %d\n", getMountpoint());
return -1;
}
/* We now have the new sysfs path for the decrypted block device, and the
* majore and minor numbers for it. So, create the device, update the
* path to the new sysfs path, and continue.
*/
snprintf(nodepath,
sizeof(nodepath), "/dev/block/vold/%d:%d",
new_major, new_minor);
if (createDeviceNode(nodepath, new_major, new_minor)) {
SLOGE("Error making device node '%s' (%s)", nodepath,
strerror(errno));
}
// Todo: Either create sys filename from nodepath, or pass in bogus path so
// vold ignores state changes on this internal device.
updateDeviceInfo(nodepath, new_major, new_minor);
/* Get the device nodes again, because they just changed */
n = getDeviceNodes((dev_t *) &deviceNodes, MAX_SUP_PART);
if (!n) {
SLOGE("Failed to get device nodes (%s)\n", strerror(errno));
return -1;
}
}
for (i = 0; i < n; i++) {
char devicePath[255];
sprintf(devicePath, "/dev/block/vold/%d:%d", MAJOR(deviceNodes[i]),
MINOR(deviceNodes[i]));
if (deviceNodes[i] == (dev_t)(-1)) {
SLOGE("Partition '%s' is invalid dev_t. Skip mounting!", devicePath);
continue;
}
SLOGI("%s being considered for volume %s\n", devicePath, getLabel());
errno = 0;
setState(Volume::State_Checking);
/*
* If FS check failed, we should move on to next partition
* instead of returning an error
*/
__CHECK_FAT_AGAIN:
if (Fat::check(devicePath)) {
#if 0
if (errno == ENODATA) {
SLOGW("%s does not contain a FAT filesystem\n", devicePath);
continue;
}
errno = EIO;
/* Badness - abort the mount */
SLOGE("%s failed FS checks (%s)", devicePath, strerror(errno));
setState(Volume::State_Idle);
return -1;
#else
#ifdef MTK_EMMC_SUPPORT
if ( mVm->isFirstBoot() && IsEmmcStorage()) {
SLOGI("** This is first boot and internal sd is not formatted. Try to format it. (%s)\n", devicePath);
if (Fat::format(devicePath, 0)) {
SLOGE("Failed to format (%s)", strerror(errno));
}
else {
SLOGI("Format successfully. (%s)\n", devicePath);
property_set("persist.first_boot", "0");
goto __CHECK_FAT_AGAIN;
}
}
#endif
SLOGW("%s failed FS checks, move on to next partition", devicePath);
continue;
#endif
}
#ifdef MTK_EMMC_SUPPORT
else {
if ( mVm->isFirstBoot() && IsEmmcStorage()) {
property_set("persist.first_boot", "0");
}
}
#endif
/*
* Mount the device on our internal staging mountpoint so we can
* muck with it before exposing it to non priviledged users.
*/
errno = 0;
int gid;
if (primaryStorage) {
// Special case the primary SD card.
// For this we grant write access to the SDCARD_RW group.
gid = AID_SDCARD_RW;
} else {
// For secondary external storage we keep things locked up.
/* Note: Change the google default setting from AID_MEDIA_RW to AID_SDCARD_RW. */
gid = AID_SDCARD_RW;
}
if (Fat::doMount(devicePath, "/mnt/secure/staging", false, false, false,
AID_SYSTEM, gid, 0702, true)) {
SLOGE("%s failed to mount via VFAT (%s)\n", devicePath, strerror(errno));
// kill the process anyway
Process::killProcessesWithOpenFiles("/mnt/secure/staging", 2);
continue;
}
SLOGI("Device %s, target %s mounted @ /mnt/secure/staging", devicePath, getMountpoint());
SLOGI("PrimaryStory = %d, externalStorage = %s", primaryStorage, externalStorage);
protectFromAutorunStupidity();
// only create android_secure on primary storage
if (primaryStorage && createBindMounts()) {
SLOGE("Failed to create bindmounts (%s)", strerror(errno));
umount("/mnt/secure/staging");
setState(Volume::State_Idle);
return -1;
}
/*
* Now that the bindmount trickery is done, atomically move the
* whole subtree to expose it to non priviledged users.
*/
if (doMoveMount("/mnt/secure/staging", getMountpoint(), false)) {
SLOGE("Failed to move mount (%s)", strerror(errno));
umount("/mnt/secure/staging");
setState(Volume::State_Idle);
return -1;
}
setState(Volume::State_Mounted);
mCurrentlyMountedKdev = deviceNodes[i];
return 0;
}
SLOGE("Volume %s found no suitable devices for mounting :(\n", getLabel());
spin_lock(&mStateLock);
curState = getState();
if ((curState != Volume::State_NoMedia) &&
(curState != Volume::State_Mounted))
setState(Volume::State_Idle);
if(curState == Volume::State_Mounted) {
spin_unlock(&mStateLock);
return 0;
}
spin_unlock(&mStateLock);
return -1;
}
int Volume::formatVol(bool wipe) {
dev_t deviceNodes[DirectVolume::MAX_PARTITIONS];
bool isForceFat32 = false;
if (getState() == Volume::State_NoMedia) {
errno = ENODEV;
return -1;
} else if (getState() != Volume::State_Idle) {
errno = EBUSY;
return -1;
}
#ifdef MTK_SHARED_SDCARD
if(IsEmmcStorage()){
SLOGE("It is not allowed to format internal SDCARD with MTK_SHARED_SDCARD enabled");
errno = -EPERM;
return errno;
}
#endif
if (isMountpointMounted(getMountpoint())) {
SLOGW("Volume is idle but appears to be mounted - fixing");
setState(Volume::State_Mounted);
// mCurrentlyMountedKdev = XXX
errno = EBUSY;
return -1;
}
SLOGI("mDiskNumParts = %d\n", getDeviceNumParts());
bool formatEntireDevice = (mPartIdx == -1);
char devicePath[255];
dev_t diskNode = getDiskDevice();
dev_t partNode =
MKDEV(MAJOR(diskNode),
MINOR(diskNode) + (formatEntireDevice ? 1 : mPartIdx));
setState(Volume::State_Formatting);
int ret = -1;
#ifdef MTK_MULTI_PARTITION_MOUNT_ONLY_SUPPORT
char *otgNodePath = getOtgNodePath();
if (0 == strcmp(getLabel(), "usbotg")) {
if (NULL == otgNodePath) {
SLOGE("usbotg: Volume formatVol otgNodePath is NULL");
goto err;
}
SLOGD("usbotg: Volume formatVol otgNodePath = %s", otgNodePath);
// Only initialize the MBR if we are formatting the entire device
if (formatEntireDevice) {
SLOGI("usbotg: Volume formatVol call initializeMbr().\n");
if (initializeMbr(otgNodePath)) {
SLOGE("usbotg: Volume formatVol failed to initialize MBR (%s)", strerror(errno));
goto err;
}
SLOGI("usbotg: Volume formatVol exit initializeMbr().\n");
}
if (Fat::format(otgNodePath, 0, wipe, isForceFat32)) {
SLOGE("usbotg: Volume formatVol Failed to format (%s)", strerror(errno));
goto err;
}
} else {
// Only initialize the MBR if we are formatting the entire device
if (formatEntireDevice) {
sprintf(devicePath, "/dev/block/vold/%d:%d",
major(diskNode), minor(diskNode));
SLOGI("Call initializeMbr().\n");
if (initializeMbr(devicePath)) {
SLOGE("Failed to initialize MBR (%s)", strerror(errno));
goto err;
}
SLOGI("Exit initializeMbr().\n");
}
sprintf(devicePath, "/dev/block/vold/%d:%d",
major(partNode), minor(partNode));
if (mDebug) {
SLOGI("Formatting volume %s (%s)", getLabel(), devicePath);
}
#ifdef MTK_ICUSB_SUPPORT
if(!strcmp(getLabel(), "icusb1") || !strcmp(getLabel(), "icusb2")){
isForceFat32 = true;
}
#endif
if (Fat::format(devicePath, 0, wipe, isForceFat32)) {
SLOGE("Failed to format (%s)", strerror(errno));
goto err;
}
}
#else
{
// Only initialize the MBR if we are formatting the entire device
if (formatEntireDevice) {
sprintf(devicePath, "/dev/block/vold/%d:%d",
major(diskNode), minor(diskNode));
SLOGI("Call initializeMbr().\n");
if (initializeMbr(devicePath)) {
SLOGE("Failed to initialize MBR (%s)", strerror(errno));
goto err;
}
}
sprintf(devicePath, "/dev/block/vold/%d:%d",
major(partNode), minor(partNode));
if (mDebug) {
SLOGI("Formatting volume %s (%s)", getLabel(), devicePath);
}
#ifdef MTK_ICUSB_SUPPORT
if(!strcmp(getLabel(), "icusb1") || !strcmp(getLabel(), "icusb2")){
isForceFat32 = true;
}
#endif
if (Fat::format(devicePath, 0, wipe, isForceFat32)) {
SLOGE("Failed to format (%s)", strerror(errno));
goto err;
}
}
#endif
ret = 0;
err:
setState(Volume::State_Idle);
return ret;
}
int Volume::formatVol() {
if (getState() == Volume::State_NoMedia) {
errno = ENODEV;
return -1;
} else if (getState() != Volume::State_Idle) {
errno = EBUSY;
return -1;
}
if (isMountpointMounted(getMountpoint())) {
SLOGW("Volume is idle but appears to be mounted - fixing");
setState(Volume::State_Mounted);
// mCurrentlyMountedKdev = XXX
errno = EBUSY;
return -1;
}
bool formatEntireDevice = (mPartIdx == -1);
char devicePath[255];
dev_t diskNode = getDiskDevice();
dev_t partNode = MKDEV(MAJOR(diskNode), (formatEntireDevice ? 1 : mPartIdx));
setState(Volume::State_Formatting);
int ret = -1;
// Only initialize the MBR if we are formatting the entire device
if (formatEntireDevice) {
sprintf(devicePath, "/dev/block/vold/%d:%d",
MAJOR(diskNode), MINOR(diskNode));
if (initializeMbr(devicePath)) {
SLOGE("Failed to initialize MBR (%s)", strerror(errno));
goto err;
}
}
sprintf(devicePath, "/dev/block/vold/%d:%d",
MAJOR(partNode), MINOR(partNode));
#ifdef VOLD_EMMC_SHARES_DEV_MAJOR
// If emmc and sdcard share dev major number, vold may pick
// incorrectly based on partition nodes alone, formatting
// the wrong device. Use device nodes instead.
dev_t deviceNodes;
getDeviceNodes((dev_t *) &deviceNodes, 1);
sprintf(devicePath, "/dev/block/vold/%d:%d", MAJOR(deviceNodes), MINOR(deviceNodes));
#endif
if (mDebug) {
SLOGI("Formatting volume %s (%s)", getLabel(), devicePath);
}
if (Fat::format(devicePath, 0)) {
SLOGE("Failed to format (%s)", strerror(errno));
goto err;
}
ret = 0;
err:
setState(Volume::State_Idle);
return ret;
}
int Volume::mountVol() {
dev_t deviceNodes[DirectVolume::MAX_PARTITIONS];
int n, i, rc = 0, curState;
char errmsg[255];
int flags = getFlags();
/* we igore the setting of "VOL_PROVIDES_ASEC". if the storage is primary, then we will handle "Asec" */
//bool providesAsec = (flags & VOL_PROVIDES_ASEC) != 0;
const char* externalStorage = getenv("EXTERNAL_STORAGE");
bool providesAsec = externalStorage && !strcmp(getFuseMountpoint(), externalStorage);
// TODO: handle "bind" style mounts, for emulated storage
char decrypt_state[PROPERTY_VALUE_MAX];
char crypto_state[PROPERTY_VALUE_MAX];
char encrypt_progress[PROPERTY_VALUE_MAX];
if (mPreState != Volume::State_Shared && mVm->isSomeVolumeShared()) {
SLOGI("Some volume is State_Shared, force to share current volume, %s \n", getLabel());
return mVm->shareVolume(getLabel(), "ums");
}
property_get("vold.decrypt", decrypt_state, "");
property_get("vold.encrypt_progress", encrypt_progress, "");
#ifdef MTK_MULTI_PARTITION_MOUNT_ONLY_SUPPORT
char *otgNodePath = getOtgNodePath();
#endif
/* Don't try to mount the volumes if we have not yet entered the disk password
* or are in the process of encrypting.
*/
if ((getState() == Volume::State_NoMedia) ||
((!strcmp(decrypt_state, "trigger_restart_min_framework") || encrypt_progress[0]) && providesAsec)) {
snprintf(errmsg, sizeof(errmsg),
"Volume %s %s mount failed - no media",
getLabel(), getFuseMountpoint());
mVm->getBroadcaster()->sendBroadcast(
ResponseCode::VolumeMountFailedNoMedia,
errmsg, false);
errno = ENODEV;
return -1;
} else if (getState() != Volume::State_Idle) {
errno = EBUSY;
if (getState() == Volume::State_Pending) {
mRetryMount = true;
}
return -1;
}
if (isMountpointMounted(getMountpoint())) {
SLOGW("Volume is idle but appears to be mounted - fixing");
setState(Volume::State_Mounted);
// mCurrentlyMountedKdev = XXX
return 0;
}
#ifdef MTK_SHARED_SDCARD
SLOGI("mountvol: IsEmmcStorage=%d", IsEmmcStorage());
if (IsEmmcStorage()) {
property_set("ctl.start", "sdcard");
waitForServiceState("sdcard", "running");
setState(Volume::State_Mounted);
return 0;
}
#endif
n = getDeviceNodes((dev_t *) &deviceNodes, DirectVolume::MAX_PARTITIONS);
if (!n) {
SLOGE("Failed to get device nodes (%s)\n", strerror(errno));
return -1;
}
SLOGD("Found %d device nodes", n);
#ifndef MTK_EMULATOR_SUPPORT
if (!IsEmmcStorage() && !strncmp(getLabel(), "sdcard", 6)) {
#ifdef MTK_FAT_ON_NAND
if( -1 == mLoopDeviceIdx){
#endif
SLOGD("Reinit SD card");
if (mVm->reinitExternalSD()){
SLOGE("Fail: reinitExternalSD()");
/* Card inserted but fail to reinit, there is something wrong with this card */
errno = EIO;
return -1;
}
#ifdef MTK_FAT_ON_NAND
}
#endif
}
#endif
/* If we're running encrypted, and the volume is marked as encryptable and nonremovable,
* and also marked as providing Asec storage, then we need to decrypt
* that partition, and update the volume object to point to it's new decrypted
* block device
*/
property_get("ro.crypto.state", crypto_state, "");
if (providesAsec &&
((flags & (VOL_NONREMOVABLE | VOL_ENCRYPTABLE))==(VOL_NONREMOVABLE | VOL_ENCRYPTABLE)) &&
!strcmp(crypto_state, "encrypted") && !isDecrypted()) {
char new_sys_path[MAXPATHLEN];
char nodepath[256];
int new_major, new_minor;
if (n != 1) {
/* We only expect one device node returned when mounting encryptable volumes */
SLOGE("Too many device nodes returned when mounting %s\n", getMountpoint());
return -1;
}
if (cryptfs_setup_volume(getLabel(), MAJOR(deviceNodes[0]), MINOR(deviceNodes[0]),
new_sys_path, sizeof(new_sys_path),
&new_major, &new_minor)) {
SLOGE("Cannot setup encryption mapping for %s\n", getMountpoint());
return -1;
}
#ifdef MTK_MULTI_PARTITION_MOUNT_ONLY_SUPPORT
if (0 == strcmp(getLabel(), "usbotg")) {
if (createDeviceNode(otgNodePath, new_major, new_minor)) {
SLOGE("usbotg: Volume mountVol Error making device node '%s' (%s)", otgNodePath,
strerror(errno));
}
updateDeviceInfo(otgNodePath, new_major, new_minor);
} else
#endif
/* We now have the new sysfs path for the decrypted block device, and the
* majore and minor numbers for it. So, create the device, update the
* path to the new sysfs path, and continue.
*/
{
snprintf(nodepath,
sizeof(nodepath), "/dev/block/vold/%d:%d",
new_major, new_minor);
if (createDeviceNode(nodepath, new_major, new_minor)) {
SLOGE("Error making device node '%s' (%s)", nodepath,
strerror(errno));
}
// Todo: Either create sys filename from nodepath, or pass in bogus path so
// vold ignores state changes on this internal device.
updateDeviceInfo(nodepath, new_major, new_minor);
/* Get the device nodes again, because they just changed */
n = getDeviceNodes((dev_t *) &deviceNodes, DirectVolume::MAX_PARTITIONS);
if (!n) {
SLOGE("Failed to get device nodes (%s)\n", strerror(errno));
return -1;
}
}
}
#ifdef MTK_MULTI_PARTITION_MOUNT_ONLY_SUPPORT
if (0 == strcmp(getLabel(), "usbotg")) {
setState(Volume::State_Checking);
if (0 != mkdir(getMountpoint(), 0700)) {
SLOGE("usbotg: Volume mountVol (%s) mkdir failed (%s)" , getMountpoint(), strerror(errno));
}
else {
SLOGD("usbotg: Volume mountVol (%s) mkdir success", getMountpoint());
}
if (0 != chown(getMountpoint(), AID_MEDIA_RW, AID_MEDIA_RW)) {
SLOGE("usbotg: Volume mountVol (%s) mkdir failed (%s)" , getMountpoint(), strerror(errno));
}
else {
SLOGD("usbotg: Volume mountVol (%s) mkdir success", getMountpoint());
}
if (0 != mkdir(getFuseMountpoint(), 0755)) {
SLOGE("usbotg: Volume mountVol (%s) mkdir failed (%s)" , getFuseMountpoint(), strerror(errno));
}
else {
SLOGD("usbotg: Volume mountVol (%s) mkdir success", getFuseMountpoint());
}
int fd;
int counter = 0;
while(1) {
counter++;
if( counter == 10)
{
SLOGD("timeout open otgNodePath counter:%d\n",counter);
break;
}
if ((fd = open(otgNodePath, O_RDONLY)) < 0) {
SLOGE(" cannot open device '%s' (errno=%d) (%s)", otgNodePath, errno,strerror(errno));
usleep(30000);
} else {
SLOGD(" can access %s successfully", otgNodePath);
close(fd);
break;
}
}
if (Fat::check(otgNodePath)) {
SLOGE("usbotg: %s fat check fail (%s)\n", otgNodePath, strerror(errno));
char cmd[255] = {0};
sprintf(cmd, "/system/bin/sh -c \"rm -r %s\"", getFuseMountpoint());
system(cmd);
SLOGD("usbotg: Volume unmountVol cmd = %s !!!", cmd);
sprintf(cmd, "/system/bin/sh -c \"rm -r %s\"", getMountpoint());
system(cmd);
SLOGD("usbotg: Volume unmountVol cmd = %s !!!", cmd);
return -1;
}
if (Fat::doMount(otgNodePath, getMountpoint(), false, false, false,
AID_MEDIA_RW, AID_MEDIA_RW, 0007, true)) {
SLOGE("usbotg: Volume mountVol %s Otg failed to mount via VFAT (%s)\n", otgNodePath, strerror(errno));
char cmd[255] = {0};
sprintf(cmd, "/system/bin/sh -c \"rm -r %s\"", getFuseMountpoint());
system(cmd);
SLOGD("usbotg: Volume unmountVol cmd = %s !!!", cmd);
sprintf(cmd, "/system/bin/sh -c \"rm -r %s\"", getMountpoint());
system(cmd);
SLOGD("usbotg: Volume unmountVol cmd = %s !!!", cmd);
setState(Volume::State_Idle);
return -1;
}
extractMetadata(otgNodePath);
//fork sdcard process instead of witch service in init.rc
struct sigaction act, oact;
act.sa_handler = sigCld;
act.sa_flags = 0;
sigemptyset(&act.sa_mask);
if (sigaction(SIGCHLD, &act, &oact) <0) {
SLOGD("Error occured on signal");
return -1;
}
pid_t pid = fork();
if (pid < 0) {
SLOGD("Error occured on fork");
return 0;
} else if (pid == 0) {
SLOGD("usbotg: Volume mountVol go execv,pid=%d", pid);
const char* mountCmd = "/system/bin/sdcard";
const char* mountpoint = getMountpoint();
const char* fusemountpoint = getFuseMountpoint();
const char* argv0[] = {
mountCmd,
"-u",
"1023",
"-g",
"1023",
"-w",
"1023",
"-d",
mountpoint,
fusemountpoint,
NULL
};
SLOGD("%s %s %s %s %s %s %s %s %s %s", argv0[0], argv0[1], argv0[2], argv0[3], argv0[4], argv0[5], argv0[6], argv0[7], argv0[8], argv0[9]);
if (execv(mountCmd,(char* const*)argv0) < 0) {
ALOGE("execv(%s) failed: %s\n", mountCmd, strerror(errno));
SLOGD("usbotg: Volume mountVol mounted failed");
char cmd[255] = {0};
sprintf(cmd, "/system/bin/sh -c \"rm -r %s\"", getFuseMountpoint());
system(cmd);
SLOGD("usbotg: Volume unmountVol cmd = %s !!!", cmd);
sprintf(cmd, "/system/bin/sh -c \"rm -r %s\"", getMountpoint());
system(cmd);
SLOGD("usbotg: Volume unmountVol cmd = %s !!!", cmd);
exit(127);
}
exit(127);
} else{
SLOGD("usbotg: Volume mountVol mounted succed,pid=%d",pid);
setState(Volume::State_Mounted);
mPid = pid;
return 0;
}
}
#endif
for (i = 0; i < n; i++) {
char devicePath[255];
sprintf(devicePath, "/dev/block/vold/%d:%d", major(deviceNodes[i]),
minor(deviceNodes[i]));
if (deviceNodes[i] == (dev_t)(-1)) {
SLOGE("Partition '%s' is invalid dev_t. Skip mounting!", devicePath);
continue;
}
SLOGI("%s being considered for volume %s\n", devicePath, getLabel());
errno = 0;
if ((getState() == Volume::State_NoMedia) ) {
SLOGI("NoMedia! skip mounting the storage. Update errno to ENODEV");
errno = ENODEV;
return -1;
}
setState(Volume::State_Checking);
/*
* If FS check failed, we should move on to next partition
* instead of returning an error
*/
__CHECK_FAT_AGAIN:
if (Fat::check(devicePath)) {
#if 0
if (errno == ENODATA) {
SLOGW("%s does not contain a FAT filesystem\n", devicePath);
continue;
}
errno = EIO;
/* Badness - abort the mount */
SLOGE("%s failed FS checks (%s)", devicePath, strerror(errno));
setState(Volume::State_Idle);
return -1;
#else
#ifdef MTK_EMMC_SUPPORT
if ( mVm->isFirstBoot() && IsEmmcStorage()) {
SLOGI("** This is first boot and internal sd is not formatted. Try to format it. (%s)\n", devicePath);
if (Fat::format(devicePath, 0, false)) {
SLOGE("Failed to format (%s)", strerror(errno));
}
else {
SLOGI("Format successfully. (%s)\n", devicePath);
property_set("persist.vold.first_boot", "0");
goto __CHECK_FAT_AGAIN;
}
}
#endif
#ifdef MTK_FAT_ON_NAND
char first_boot[PROPERTY_VALUE_MAX] ;
property_get("persist.vold.fat_first_boot", first_boot, "1");
if (!strcmp(first_boot, "1") && !strcmp(getLabel(), "sdcard0")) {
SLOGI("** This is first boot and internal sd is not formatted. Try to format it. (%s)\n", devicePath);
if (Fat::format(devicePath, 0, false)) {
SLOGE("Failed to format %s(%d)", strerror(errno), errno);
}
else {
SLOGI("%s format successfully\n", devicePath);
property_set("persist.vold.fat_first_boot", "0");
goto __CHECK_FAT_AGAIN;
}
}
#endif
SLOGW("%s failed FS checks, move on to next partition", devicePath);
continue;
#endif
}
#ifdef MTK_EMMC_SUPPORT
else {
if ( mVm->isFirstBoot() && IsEmmcStorage()) {
property_set("persist.vold.first_boot", "0");
}
}
#endif
errno = 0;
int gid;
#ifdef MTK_EMMC_DISCARD
if (Fat::doMount(devicePath, getMountpoint(), false, false, false,
AID_MEDIA_RW, AID_MEDIA_RW, 0007, true, IsEmmcStorage())) {
SLOGE("%s failed to mount via VFAT (%s)\n", devicePath, strerror(errno));
continue;
}
#else //MTK_EMMC_DISCARD
if (Fat::doMount(devicePath, getMountpoint(), false, false, false,
AID_MEDIA_RW, AID_MEDIA_RW, 0007, true)) {
SLOGE("%s failed to mount via VFAT (%s)\n", devicePath, strerror(errno));
continue;
}
#endif //MTK_EMMC_DISCARD
SLOGI("providesAsec = %d", providesAsec);
extractMetadata(devicePath);
#ifdef MTK_2SDCARD_SWAP
char secImgDir[PATH_MAX];
sprintf(secImgDir, "%s/.android_secure", getMountpoint());
SLOGI("Create %s in advance", secImgDir);
/* Whether primary or secondary storage, create .android folder in advance to prevent from media out of space for Bindmounts fail
This case happens in SWAP feature.
*/
if (access(secImgDir, R_OK | X_OK)) {
if (errno == ENOENT) {
if (mkdir(secImgDir, 0777)) {
SLOGE("Failed to create %s (%s)", secImgDir, strerror(errno));
}
} else {
SLOGE("Failed to access %s (%s)", secImgDir, strerror(errno));
}
}
#endif
if (providesAsec && mountAsecExternal() != 0) {
SLOGE("Failed to mount secure area (%s)", strerror(errno));
umount(getMountpoint());
setState(Volume::State_Idle);
return -1;
}
char service[64];
char service_id[64];
strcpy(service_id, getMountpoint()+strlen(Volume::MEDIA_DIR)+1);
snprintf(service, 64, "fuse_%s", service_id);
property_set("ctl.start", service);
waitForServiceState(service, "running");
int fd;
if ((fd = open(devicePath, O_RDONLY)) < 0) {
SLOGE("Cannot open device '%s' (errno=%d)", devicePath, errno);
}
else {
setState(Volume::State_Mounted, Fat::isFat32(fd));
close(fd);
}
mCurrentlyMountedKdev = deviceNodes[i];
return 0;
}
SLOGE("Volume %s found no suitable devices for mounting :(\n", getLabel());
curState = getState();
if (curState == Volume::State_NoMedia) {
SLOGI("Mount fail caused by NoMedia! Update errno to ENODEV");
errno = ENODEV;
}
if ((curState != Volume::State_NoMedia) &&
(curState != Volume::State_Mounted)) {
setState(Volume::State_Idle);
}
if(curState == Volume::State_Mounted) {
return 0;
}
return -1;
}
int Volume::unmountVol(bool force, bool revert) {
int i, rc;
int flags = getFlags();
bool providesAsec = (flags & VOL_PROVIDES_ASEC) != 0;
bool is_emulated_sd = false;
#ifdef MTK_SHARED_SDCARD
if (IsEmmcStorage()) {
providesAsec = false;
is_emulated_sd = true;
}
#endif
if (getState() != Volume::State_Mounted) {
SLOGE("Volume %s unmount request when not mounted", getLabel());
errno = EINVAL;
return UNMOUNT_NOT_MOUNTED_ERR;
}
#ifdef MTK_MULTI_PARTITION_MOUNT_ONLY_SUPPORT
if (false == isMountpointMounted(getFuseMountpoint())) {
SLOGD("usbotg: Volume unmountVol %s is already unmounted", getFuseMountpoint());
goto unmount_success;
}
#endif
setState(Volume::State_Unmounting);
usleep(1000 * 100); // Give the framework some time to react
char service[64];
char service_id[64];
strcpy(service_id, getMountpoint()+strlen(Volume::MEDIA_DIR)+1);
snprintf(service, 64, "fuse_%s", service_id);
if (is_emulated_sd) {
snprintf(service, 64, "sdcard");
}
#ifdef MTK_MULTI_PARTITION_MOUNT_ONLY_SUPPORT
if (0 == strcmp(getLabel(), "usbotg")) {
sPid = mPid;
SLOGD("usbotg: Volume unmountVol ,mPid=%d",mPid);
if(-1 != mPid)
{
kill(mPid,SIGKILL);
}
SLOGD("usbotg: Volume unmountVol ,mountpoint=%s",getFuseMountpoint());
if (doUnmount(getFuseMountpoint(), force)) {
SLOGE("Failed to unmount %s (%s)", getFuseMountpoint(), strerror(errno));
goto fail_remount_secure;
}
if (doUnmount(getMountpoint(), force)) {
SLOGE("Failed to unmount %s (%s)", getMountpoint(), strerror(errno));
goto fail_remount_secure;
}
SLOGI("usbotg: Volume unmounted sucessfully");
} else {
property_set("ctl.stop", service);
/* Give it a chance to stop. I wish we had a synchronous way to determine this... */
//sleep(1);
waitForServiceState(service, "stopped");
// TODO: determine failure mode if FUSE times out
if (providesAsec && doUnmount(Volume::SEC_ASECDIR_EXT, force) != 0) {
SLOGE("Failed to unmount secure area on %s (%s)", getMountpoint(), strerror(errno));
goto out_mounted;
}
/* Now that the fuse daemon is dead, unmount it */
if (doUnmount(getFuseMountpoint(), force) != 0) {
SLOGE("Failed to unmount %s (%s)", getFuseMountpoint(), strerror(errno));
goto fail_remount_secure;
}
/* Unmount the real sd card */
if (!is_emulated_sd) {
if (doUnmount(getMountpoint(), force) != 0) {
SLOGE("Failed to unmount %s (%s)", getMountpoint(), strerror(errno));
goto fail_remount_secure;
}
SLOGI("%s unmounted successfully", getMountpoint());
}
}
#else
{
#define MAX_NEED_TO_WAIT 10
bool need_to_wait = false;
int need_to_wait_count = 0;
do {
Process::killProcessesWithOpenFiles(getFuseMountpoint(), 0, "mdlogger", &need_to_wait);
if(need_to_wait) {
need_to_wait_count++;
SLOGI("need_to_wait=%d, need_to_wait_count=%d,", need_to_wait, need_to_wait_count);
usleep(1000*1000);
}
else {
break;
}
} while (need_to_wait && need_to_wait_count < MAX_NEED_TO_WAIT);
property_set("ctl.stop", service);
/* Give it a chance to stop. I wish we had a synchronous way to determine this... */
//sleep(1);
waitForServiceState(service, "stopped");
// TODO: determine failure mode if FUSE times out
if (providesAsec && doUnmount(Volume::SEC_ASECDIR_EXT, force) != 0) {
SLOGE("Failed to unmount secure area on %s (%s)", getMountpoint(), strerror(errno));
goto out_mounted;
}
/* Now that the fuse daemon is dead, unmount it */
if (doUnmount(getFuseMountpoint(), force) != 0) {
SLOGE("Failed to unmount %s (%s)", getFuseMountpoint(), strerror(errno));
goto fail_remount_secure;
}
/* Unmount the real sd card */
if (!is_emulated_sd) {
if (doUnmount(getMountpoint(), force) != 0) {
SLOGE("Failed to unmount %s (%s)", getMountpoint(), strerror(errno));
goto fail_remount_secure;
}
SLOGI("%s unmounted successfully", getMountpoint());
}
}
#endif
/* If this is an encrypted volume, and we've been asked to undo
* the crypto mapping, then revert the dm-crypt mapping, and revert
* the device info to the original values.
*/
if (revert && isDecrypted()) {
cryptfs_revert_volume(getLabel());
revertDeviceInfo();
SLOGI("Encrypted volume %s reverted successfully", getMountpoint());
}
setUuid(NULL);
setUserLabel(NULL);
setState(Volume::State_Idle);
unmount_success:
mCurrentlyMountedKdev = -1;
#ifdef MTK_MULTI_PARTITION_MOUNT_ONLY_SUPPORT
if (0 == strcmp(getLabel(), "usbotg")) {
char cmd[255] = {0};
sprintf(cmd, "/system/bin/sh -c \"rm -r %s\"", getFuseMountpoint());
system(cmd);
SLOGD("usbotg: Volume unmountVol cmd = %s !!!", cmd);
sprintf(cmd, "/system/bin/sh -c \"rm -r %s\"", getMountpoint());
system(cmd);
SLOGD("usbotg: Volume unmountVol cmd = %s !!!", cmd);
//remove(getMountpoint());
}
#endif
return 0;
fail_remount_secure:
if (providesAsec && mountAsecExternal() != 0) {
SLOGE("Failed to remount secure area (%s)", strerror(errno));
goto out_nomedia;
}
out_mounted:
property_set("ctl.start", service);
waitForServiceState(service, "running");
setState(Volume::State_Mounted);
return -1;
out_nomedia:
setState(Volume::State_NoMedia);
return -1;
}
int Volume::mountVol() {
dev_t deviceNodes[4];
int n, i, rc = 0;
char errmsg[255];
const char* externalStorage = getenv("EXTERNAL_STORAGE");
bool primaryStorage = externalStorage && !strcmp(getMountpoint(), externalStorage);
char decrypt_state[PROPERTY_VALUE_MAX];
char crypto_state[PROPERTY_VALUE_MAX];
char encrypt_progress[PROPERTY_VALUE_MAX];
int flags;
property_get("vold.decrypt", decrypt_state, "");
property_get("vold.encrypt_progress", encrypt_progress, "");
/* Don't try to mount the volumes if we have not yet entered the disk password
* or are in the process of encrypting.
*/
if ((getState() == Volume::State_NoMedia) ||
((!strcmp(decrypt_state, "1") || encrypt_progress[0]) && primaryStorage)) {
snprintf(errmsg, sizeof(errmsg),
"Volume %s %s mount failed - no media",
getLabel(), getMountpoint());
mVm->getBroadcaster()->sendBroadcast(
ResponseCode::VolumeMountFailedNoMedia,
errmsg, false);
errno = ENODEV;
return -1;
} else if (getState() != Volume::State_Idle) {
errno = EBUSY;
if (getState() == Volume::State_Pending) {
mRetryMount = true;
}
return -1;
}
if (isMountpointMounted(getMountpoint())) {
SLOGW("Volume is idle but appears to be mounted - fixing");
setState(Volume::State_Mounted);
// mCurrentlyMountedKdev = XXX
return 0;
}
n = getDeviceNodes((dev_t *) &deviceNodes, 4);
if (!n) {
SLOGE("Failed to get device nodes (%s)\n", strerror(errno));
return -1;
}
/* If we're running encrypted, and the volume is marked as encryptable and nonremovable,
* and vold is asking to mount the primaryStorage device, then we need to decrypt
* that partition, and update the volume object to point to it's new decrypted
* block device
*/
property_get("ro.crypto.state", crypto_state, "");
flags = getFlags();
if (primaryStorage &&
((flags & (VOL_NONREMOVABLE | VOL_ENCRYPTABLE))==(VOL_NONREMOVABLE | VOL_ENCRYPTABLE)) &&
!strcmp(crypto_state, "encrypted") && !isDecrypted()) {
char new_sys_path[MAXPATHLEN];
char nodepath[256];
int new_major, new_minor;
if (n != 1) {
/* We only expect one device node returned when mounting encryptable volumes */
SLOGE("Too many device nodes returned when mounting %d\n", getMountpoint());
return -1;
}
if (cryptfs_setup_volume(getLabel(), MAJOR(deviceNodes[0]), MINOR(deviceNodes[0]),
new_sys_path, sizeof(new_sys_path),
&new_major, &new_minor)) {
SLOGE("Cannot setup encryption mapping for %d\n", getMountpoint());
return -1;
}
/* We now have the new sysfs path for the decrypted block device, and the
* majore and minor numbers for it. So, create the device, update the
* path to the new sysfs path, and continue.
*/
snprintf(nodepath,
sizeof(nodepath), "/dev/block/vold/%d:%d",
new_major, new_minor);
if (createDeviceNode(nodepath, new_major, new_minor)) {
SLOGE("Error making device node '%s' (%s)", nodepath,
strerror(errno));
}
// Todo: Either create sys filename from nodepath, or pass in bogus path so
// vold ignores state changes on this internal device.
updateDeviceInfo(nodepath, new_major, new_minor);
/* Get the device nodes again, because they just changed */
n = getDeviceNodes((dev_t *) &deviceNodes, 4);
if (!n) {
SLOGE("Failed to get device nodes (%s)\n", strerror(errno));
return -1;
}
}
for (i = 0; i < n; i++) {
char devicePath[255];
sprintf(devicePath, "/dev/block/vold/%d:%d", MAJOR(deviceNodes[i]),
MINOR(deviceNodes[i]));
SLOGI("%s being considered for volume %s\n", devicePath, getLabel());
errno = 0;
setState(Volume::State_Checking);
if (Fat::check(devicePath)) {
if (errno == ENODATA) {
SLOGW("%s does not contain a FAT filesystem\n", devicePath);
continue;
}
errno = EIO;
/* Badness - abort the mount */
SLOGE("%s failed FS checks (%s)", devicePath, strerror(errno));
setState(Volume::State_Idle);
return -1;
}
/*
* Mount the device on our internal staging mountpoint so we can
* muck with it before exposing it to non priviledged users.
*/
errno = 0;
int gid;
if (primaryStorage) {
// Special case the primary SD card.
// For this we grant write access to the SDCARD_RW group.
gid = AID_SDCARD_RW;
} else {
// For secondary external storage we keep things locked up.
gid = AID_MEDIA_RW;
}
if (Fat::doMount(devicePath, "/mnt/secure/staging", false, false, false,
AID_SYSTEM, gid, 0702, true)) {
SLOGE("%s failed to mount via VFAT (%s)\n", devicePath, strerror(errno));
continue;
}
SLOGI("Device %s, target %s mounted @ /mnt/secure/staging", devicePath, getMountpoint());
protectFromAutorunStupidity();
// only create android_secure on primary storage
if (primaryStorage && createBindMounts()) {
SLOGE("Failed to create bindmounts (%s)", strerror(errno));
umount("/mnt/secure/staging");
setState(Volume::State_Idle);
return -1;
}
/*
* Now that the bindmount trickery is done, atomically move the
* whole subtree to expose it to non priviledged users.
*/
if (doMoveMount("/mnt/secure/staging", getMountpoint(), false)) {
SLOGE("Failed to move mount (%s)", strerror(errno));
umount("/mnt/secure/staging");
setState(Volume::State_Idle);
return -1;
}
setState(Volume::State_Mounted);
mCurrentlyMountedKdev = deviceNodes[i];
return 0;
}
SLOGE("Volume %s found no suitable devices for mounting :(\n", getLabel());
setState(Volume::State_Idle);
return -1;
}
int Volume::formatVol() {
dev_t deviceNodes[MAX_SUP_PART];
int part_num;
if (getState() == Volume::State_NoMedia) {
errno = ENODEV;
return -1;
} else if (getState() != Volume::State_Idle) {
errno = EBUSY;
return -1;
}
if (isMountpointMounted(getMountpoint())) {
SLOGW("Volume is idle but appears to be mounted - fixing");
setState(Volume::State_Mounted);
// mCurrentlyMountedKdev = XXX
errno = EBUSY;
return -1;
}
bool formatEntireDevice = ((mPartIdx == -1) && (0 != getDeviceNumParts()));
char devicePath[255];
dev_t diskNode = getDiskDevice();
//dev_t partNode = MKDEV(MAJOR(diskNode), (formatEntireDevice ? 1 : mPartIdx));
//part_num reserved for mutiple partition support
//
getDeviceNodes((dev_t *) &deviceNodes, MAX_SUP_PART);
part_num = 1;
dev_t partNode = deviceNodes[part_num - 1];
setState(Volume::State_Formatting);
int ret = -1;
// Only initialize the MBR if we are formatting the entire device
if (formatEntireDevice) {
sprintf(devicePath, "/dev/block/vold/%d:%d",
MAJOR(diskNode), MINOR(diskNode));
SLOGI("mDiskNumParts = %d\n", getDeviceNumParts());
if (initializeMbr(devicePath)) {
SLOGE("Failed to initialize MBR (%s)", strerror(errno));
goto err;
}
}
sprintf(devicePath, "/dev/block/vold/%d:%d",
MAJOR(partNode), MINOR(partNode));
SLOGI("mDiskNumParts = %d\n", getDeviceNumParts());
if (mDebug) {
SLOGI("Formatting volume %s (%s)", getLabel(), devicePath);
}
if (Fat::format(devicePath, 0)) {
SLOGE("Failed to format (%s)", strerror(errno));
goto err;
}
ret = 0;
err:
setState(Volume::State_Idle);
return ret;
}
