VolumeManager.cpp revision 88705166ab82057090a070c6d4200c3d9db76f11
1f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat/* 2f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Copyright (C) 2008 The Android Open Source Project 3f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 4f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Licensed under the Apache License, Version 2.0 (the "License"); 5f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * you may not use this file except in compliance with the License. 6f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * You may obtain a copy of the License at 7f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 8f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * http://www.apache.org/licenses/LICENSE-2.0 9f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 10f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Unless required by applicable law or agreed to in writing, software 11f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * distributed under the License is distributed on an "AS IS" BASIS, 12f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * See the License for the specific language governing permissions and 14f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * limitations under the License. 15f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat */ 16f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 17f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <stdio.h> 18fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat#include <stdlib.h> 19fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat#include <string.h> 20f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <errno.h> 21a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#include <fcntl.h> 22a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include <sys/stat.h> 23a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include <sys/types.h> 24a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include <sys/mount.h> 25a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 26a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#include <linux/kdev_t.h> 27f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 28f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#define LOG_TAG "Vold" 29f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 30f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <cutils/log.h> 31f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 32fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat#include <sysutils/NetlinkEvent.h> 33fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat 34f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include "VolumeManager.h" 35ae10b91044bf76b40b77d81c169e48e0bbdf6d75San Mehat#include "DirectVolume.h" 36a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#include "ResponseCode.h" 37a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include "Loop.h" 38a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include "Fat.h" 39b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat#include "Devmapper.h" 40f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 4123969931fad6e993832208f099f6eea0f6f76eb5San Mehatextern "C" void KillProcessesWithOpenFiles(const char *, int, int, int); 4223969931fad6e993832208f099f6eea0f6f76eb5San Mehat 43f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager *VolumeManager::sInstance = NULL; 44f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 45f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager *VolumeManager::Instance() { 46f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!sInstance) 47f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat sInstance = new VolumeManager(); 48f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return sInstance; 49f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 50f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 51f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager::VolumeManager() { 52f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mBlockDevices = new BlockDeviceCollection(); 53f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mVolumes = new VolumeCollection(); 5488705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers = new AsecIdCollection(); 55f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mBroadcaster = NULL; 56a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = false; 57f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 58f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 59f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager::~VolumeManager() { 60f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat delete mBlockDevices; 6188705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mVolumes; 6288705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mActiveContainers; 63f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 64f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 65f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::start() { 66f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 67f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 68f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 69f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::stop() { 70f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 71f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 72f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 73f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::addVolume(Volume *v) { 74f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mVolumes->push_back(v); 75f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 76f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 77f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 78a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatvoid VolumeManager::notifyUmsConnected(bool connected) { 79a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char msg[255]; 80a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 81a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (connected) { 82a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = true; 83a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 84a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = false; 85a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 86a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(msg, sizeof(msg), "Share method ums now %s", 87a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat (connected ? "available" : "unavailable")); 88a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 89a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat getBroadcaster()->sendBroadcast(ResponseCode::ShareAvailabilityChange, 90a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat msg, false); 91a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 92a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 93a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatvoid VolumeManager::handleSwitchEvent(NetlinkEvent *evt) { 940cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat const char *devpath = evt->findParam("DEVPATH"); 95a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat const char *name = evt->findParam("SWITCH_NAME"); 96a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat const char *state = evt->findParam("SWITCH_STATE"); 97a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 980cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if (!name || !state) { 990cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat LOGW("Switch %s event missing name/state info", devpath); 1000cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat return; 1010cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat } 1020cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat 103a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(name, "usb_mass_storage")) { 104a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 105a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(state, "online")) { 106a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(true); 107a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 108a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(false); 109a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 110a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 111a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGW("Ignoring unknown switch '%s'", name); 112a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 113a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 114a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 115fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehatvoid VolumeManager::handleBlockEvent(NetlinkEvent *evt) { 116fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat const char *devpath = evt->findParam("DEVPATH"); 117f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 118fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat /* Lookup a volume to handle this device */ 119f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator it; 120f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat bool hit = false; 121f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (it = mVolumes->begin(); it != mVolumes->end(); ++it) { 122fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat if (!(*it)->handleBlockEvent(evt)) { 123a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 124a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGD("Device '%s' event handled by volume %s\n", devpath, (*it)->getLabel()); 125a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 126f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat hit = true; 127f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat break; 128f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 129f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 130f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 131f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!hit) { 132a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 133fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat LOGW("No volumes handled block event for '%s'", devpath); 134a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 135f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 136f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 137f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 138f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::listVolumes(SocketClient *cli) { 139f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator i; 140f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 141f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 142f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *buffer; 143f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat asprintf(&buffer, "%s %s %d", 144f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getLabel(), (*i)->getMountpoint(), 145f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getState()); 146a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::VolumeListResult, buffer, false); 147f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat free(buffer); 148f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 149a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::CommandOkay, "Volumes listed.", false); 150f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 151f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 15249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 153a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::formatVolume(const char *label) { 154a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 155a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 156a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 157a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 158a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 159a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 160a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 161a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->formatVol(); 162a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 163a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 164a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::getAsecMountPath(const char *id, char *buffer, int maxlen) { 165a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 166a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 167a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 168a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 169a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!isMountpointMounted(mountPoint)) { 170a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = ENOENT; 171a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 172a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 173a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(buffer, maxlen, "/asec/%s", id); 174a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 175a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 176a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1778b8f71b1d760411279f3b07a5c97709f052c689eSan Mehatint VolumeManager::createAsec(const char *id, unsigned int numSectors, 178a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat const char *fstype, const char *key, int ownerUid) { 179a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 180a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat mkdir("/sdcard/android_secure", 0777); 181a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 182a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (lookupVolume(id)) { 183a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC volume '%s' currently exists", id); 184a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 185a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 186a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 187a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 188a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 189a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 190a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 191a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 192a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!access(asecFileName, F_OK)) { 193a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC file '%s' currently exists - destroy it first! (%s)", 194a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat asecFileName, strerror(errno)); 195a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 196a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 197a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 198a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1998b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Loop::createImageFile(asecFileName, numSectors)) { 200a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC image file creation failed (%s)", strerror(errno)); 201a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 202a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 203a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 204a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 2058da6bcb006f4e4257cdd685e35e910a6334f6ceaSan Mehat if (Loop::create(asecFileName, loopDevice, sizeof(loopDevice))) { 206a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC loop device creation failed (%s)", strerror(errno)); 207a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 208a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 209a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 210a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 211b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 212b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 213a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 214b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 2158b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Devmapper::create(id, loopDevice, key, numSectors, dmDevice, 216b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat sizeof(dmDevice))) { 217b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("ASEC device mapping failed (%s)", strerror(errno)); 218b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 219b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unlink(asecFileName); 220b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 221b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 222b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 223b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 224b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 225b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 226b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 227b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::format(dmDevice)) { 228a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC FAT format failed (%s)", strerror(errno)); 229b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 230b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 231b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 232a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 233a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 234a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 235a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 236a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 237a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 238a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 239a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 240a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 241eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat if (errno != EEXIST) { 242eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat LOGE("Mountpoint creation failed (%s)", strerror(errno)); 243b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 244b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 245b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 246eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat Loop::destroyByDevice(loopDevice); 247eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat unlink(asecFileName); 248eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat return -1; 249eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat } 250a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 251a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 252b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::doMount(dmDevice, mountPoint, false, false, ownerUid, 253cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0, 0000, false)) { 254cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0, 0007, false)) { 255a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC FAT mount failed (%s)", strerror(errno)); 256b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 257b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 258b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 259a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 260a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 261a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 262a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 26388705166ab82057090a070c6d4200c3d9db76f11San Mehat 26488705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->push_back(strdup(id)); 265a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 266a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 267a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 268a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::finalizeAsec(const char *id) { 269a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 270a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 271a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 272a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 273a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 274a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 275a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 276a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 277a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Unable to finalize %s (%s)", id, strerror(errno)); 278a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 279a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 280a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 281a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 282fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat // XXX: 283fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat if (Fat::doMount(loopDevice, mountPoint, true, true, 0, 0, 0227, false)) { 284a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC finalize mount failed (%s)", strerror(errno)); 285a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 286a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 287a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 288a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s finalized", id); 289a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 290a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 291a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 292b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehatint VolumeManager::unmountAsec(const char *id) { 293a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 294a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 295a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 296a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 297a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 298a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 299a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 3000586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (!isMountpointMounted(mountPoint)) { 301b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Unmount request for ASEC %s when not mounted", id); 302b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat errno = EINVAL; 303b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 304b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 30523969931fad6e993832208f099f6eea0f6f76eb5San Mehat 306b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int i, rc; 307b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat for (i = 0; i < 10; i++) { 308b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = umount(mountPoint); 309b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (!rc) { 310b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 311a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 312b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc && (errno == EINVAL || errno == ENOENT)) { 313b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = 0; 314b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 315a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 316b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGW("ASEC %s unmount attempt %d failed (%s)", 317b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat id, i +1, strerror(errno)); 318b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 319b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (i >= 5) { 320b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat KillProcessesWithOpenFiles(mountPoint, (i < 7 ? 0 : 1), 321b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat NULL, 0); 322b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 323b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat usleep(1000 * 250); 324b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 325b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 326b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc) { 327b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to unmount ASEC %s", id); 328b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 329b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 330b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 33188705166ab82057090a070c6d4200c3d9db76f11San Mehat unlink(mountPoint); 33288705166ab82057090a070c6d4200c3d9db76f11San Mehat 333b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Devmapper::destroy(id) && errno != ENXIO) { 334b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to destroy devmapper instance (%s)", strerror(errno)); 335a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 336a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 337a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 338a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 339a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 340a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 34188705166ab82057090a070c6d4200c3d9db76f11San Mehat 34288705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it; 34388705166ab82057090a070c6d4200c3d9db76f11San Mehat for (it = mActiveContainers->begin(); it != mActiveContainers->end(); ++it) { 34488705166ab82057090a070c6d4200c3d9db76f11San Mehat if (!strcmp(*it, id)) { 34588705166ab82057090a070c6d4200c3d9db76f11San Mehat free(*it); 34688705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->erase(it); 34788705166ab82057090a070c6d4200c3d9db76f11San Mehat break; 34888705166ab82057090a070c6d4200c3d9db76f11San Mehat } 34988705166ab82057090a070c6d4200c3d9db76f11San Mehat } 35088705166ab82057090a070c6d4200c3d9db76f11San Mehat if (it == mActiveContainers->end()) { 35188705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGW("mActiveContainers is inconsistent!"); 35288705166ab82057090a070c6d4200c3d9db76f11San Mehat } 353b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return 0; 354b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat} 355b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 356b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehatint VolumeManager::destroyAsec(const char *id) { 357b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char asecFileName[255]; 358b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char mountPoint[255]; 359b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 360b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat snprintf(asecFileName, sizeof(asecFileName), 361b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat "/sdcard/android_secure/%s.asec", id); 362b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 363b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 3640586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (isMountpointMounted(mountPoint)) { 3650586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unmountAsec(id)) { 3660586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat LOGE("Failed to unmount asec %s for destroy (%s)", id, strerror(errno)); 3670586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 3680586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 3690586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 370a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 3710586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unlink(asecFileName)) { 3720586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat LOGE("Failed to unlink asec %s (%s)", id, strerror(errno)); 3730586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 3740586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 375a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 376a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s destroyed", id); 377a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 378a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 379a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 380a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::mountAsec(const char *id, const char *key, int ownerUid) { 381a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 382a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 383a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 384a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 385a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 386a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 387a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 388a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (isMountpointMounted(mountPoint)) { 389a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC %s already mounted", id); 390a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EBUSY; 391a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 392a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 393a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 394a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 395a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 3968da6bcb006f4e4257cdd685e35e910a6334f6ceaSan Mehat if (Loop::create(asecFileName, loopDevice, sizeof(loopDevice))) { 397a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC loop device creation failed (%s)", strerror(errno)); 398a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 399a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 400b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("New loop device created at %s", loopDevice); 401b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 402b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("Found active loopback for %s at %s", asecFileName, loopDevice); 403b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 404b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 405b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 406b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 407b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 408b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Devmapper::lookupActive(id, dmDevice, sizeof(dmDevice))) { 409b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unsigned int nr_sec = 0; 410b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int fd; 411b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 412b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if ((fd = open(loopDevice, O_RDWR)) < 0) { 413b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to open loopdevice (%s)", strerror(errno)); 414b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 415b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 416b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 417b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 418b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (ioctl(fd, BLKGETSIZE, &nr_sec)) { 419b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to get loop size (%s)", strerror(errno)); 420b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 421b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat close(fd); 422b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 423b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 424b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat close(fd); 4258b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Devmapper::create(id, loopDevice, key, nr_sec, 426b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat dmDevice, sizeof(dmDevice))) { 427b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("ASEC device mapping failed (%s)", strerror(errno)); 428b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 429b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 430b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 431b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("New devmapper instance created at %s", dmDevice); 432b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 433b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("Found active devmapper for %s at %s", asecFileName, dmDevice); 434b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 435b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 436b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 437b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 438a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 439a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 440a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 441b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (errno != EEXIST) { 442b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Mountpoint creation failed (%s)", strerror(errno)); 443b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 444b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 445b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 446b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 447b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 448b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 449a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 450a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 451b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::doMount(dmDevice, mountPoint, true, false, ownerUid, 0, 452cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0222, false)) { 453cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0227, false)) { 454a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC mount failed (%s)", strerror(errno)); 455b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 456b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 457b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 458b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 459a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 460a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 461a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 46288705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->push_back(strdup(id)); 463a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s mounted", id); 464a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 465a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 466a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 46749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::mountVolume(const char *label) { 46849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 46949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 47049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 47149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 47249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 47349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 47449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 475a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->mountVol(); 476a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 477a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 478a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareAvailable(const char *method, bool *avail) { 479a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 480a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 481a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 482a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 483a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 484a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 485a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (mUsbMassStorageConnected) 486a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = true; 487a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat else 488a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = false; 489a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 490a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 491a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 492a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::simulate(const char *cmd, const char *arg) { 493a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 494a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(cmd, "ums")) { 495a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(arg, "connect")) { 496a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(true); 497a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else if (!strcmp(arg, "disconnect")) { 498a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(false); 499a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 500a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 501a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 502a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 503a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 504a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 505a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 506a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 507a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 508a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 509a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 510a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareVolume(const char *label, const char *method) { 511a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 512a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 513a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 514a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 515a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 516a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 517a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 518a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat /* 519a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Eventually, we'll want to support additional share back-ends, 520a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * some of which may work while the media is mounted. For now, 521a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * we just support UMS 522a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 523a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 524a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 525a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 526a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 527a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 528a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 529a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 530a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 531a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 532a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 53349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Idle) { 534a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // You need to unmount manually befoe sharing 53549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 53649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 53749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 53849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 539a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 540a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if ((MAJOR(d) == 0) && (MINOR(d) == 0)) { 541a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // This volume does not support raw disk access 542a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 543a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 544a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 545a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 546a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 547a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 548a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 549a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 550a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 551a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 5520cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", 5530cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat O_WRONLY)) < 0) { 554a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 555a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 556a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 557a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 558a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, nodepath, strlen(nodepath)) < 0) { 559a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 560a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 561a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 562a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 563a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 564a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 565a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeShared(); 566a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 567a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 568a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 569a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::unshareVolume(const char *label, const char *method) { 570a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 571a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 572a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 573a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 574a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 575a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 576a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 577a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 578a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 579a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 580a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 581a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 582a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() != Volume::State_Shared) { 583a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 584a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 585a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 586a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 587a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 588a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 589a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 590a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 591a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 592a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 593a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 594a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 5950cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", O_WRONLY)) < 0) { 596a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 597a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 598a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 599a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 600a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char ch = 0; 601a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, &ch, 1) < 0) { 602a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 603a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 604a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 605a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 606a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 607a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 608a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeUnshared(); 609a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 61049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 61149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 61249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::unmountVolume(const char *label) { 61349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 61449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 61549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 61649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 61749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 61849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 61949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 620a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 621a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 622a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 623a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 624a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 62549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Mounted) { 626a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGW("Attempt to unmount volume which isn't mounted (%d)\n", 627a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->getState()); 62849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 62949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 63049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 63149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 63288705166ab82057090a070c6d4200c3d9db76f11San Mehat while(mActiveContainers->size()) { 63388705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it = mActiveContainers->begin(); 63488705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGI("Unmounting ASEC %s (dependant on %s)", *it, v->getMountpoint()); 63588705166ab82057090a070c6d4200c3d9db76f11San Mehat if (unmountAsec(*it)) { 63688705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGE("Failed to unmount ASEC %s (%s) - unmount of %s may fail!", *it, 63788705166ab82057090a070c6d4200c3d9db76f11San Mehat strerror(errno), v->getMountpoint()); 63888705166ab82057090a070c6d4200c3d9db76f11San Mehat } 63988705166ab82057090a070c6d4200c3d9db76f11San Mehat } 64088705166ab82057090a070c6d4200c3d9db76f11San Mehat 641a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->unmountVol(); 64249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 64349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 644a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat/* 645a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Looks up a volume by it's label or mount-point 646a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 64749e2bce5b74129c26a35e25d4693cbfe98c4688eSan MehatVolume *VolumeManager::lookupVolume(const char *label) { 64849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat VolumeCollection::iterator i; 64949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 65049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 651a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (label[0] == '/') { 652a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getMountpoint())) 653a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 654a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 655a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getLabel())) 656a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 657a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 65849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 65949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return NULL; 66049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 661a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 662a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatbool VolumeManager::isMountpointMounted(const char *mp) 663a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat{ 664a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char device[256]; 665a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mount_path[256]; 666a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char rest[256]; 667a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat FILE *fp; 668a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char line[1024]; 669a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 670a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!(fp = fopen("/proc/mounts", "r"))) { 671a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Error opening /proc/mounts (%s)", strerror(errno)); 672a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 673a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 674a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 675a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat while(fgets(line, sizeof(line), fp)) { 676a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat line[strlen(line)-1] = '\0'; 677a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat sscanf(line, "%255s %255s %255s\n", device, mount_path, rest); 678a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!strcmp(mount_path, mp)) { 679a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 680a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return true; 681a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 682a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 683a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 684a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 685a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 686a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 687a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 688a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 689