VolumeManager.cpp revision 0586d54053ee00e6d6523d4f125282ccb9a24aab
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(); 54f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mBroadcaster = NULL; 55a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = false; 56f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 57f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 58f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager::~VolumeManager() { 59f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat delete mBlockDevices; 60f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 61f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 62f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::start() { 63f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 64f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 65f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 66f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::stop() { 67f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 68f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 69f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 70f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::addVolume(Volume *v) { 71f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mVolumes->push_back(v); 72f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 73f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 74f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 75a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatvoid VolumeManager::notifyUmsConnected(bool connected) { 76a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char msg[255]; 77a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 78a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (connected) { 79a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = true; 80a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 81a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = false; 82a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 83a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(msg, sizeof(msg), "Share method ums now %s", 84a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat (connected ? "available" : "unavailable")); 85a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 86a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat getBroadcaster()->sendBroadcast(ResponseCode::ShareAvailabilityChange, 87a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat msg, false); 88a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 89a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 90a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatvoid VolumeManager::handleSwitchEvent(NetlinkEvent *evt) { 910cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat const char *devpath = evt->findParam("DEVPATH"); 92a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat const char *name = evt->findParam("SWITCH_NAME"); 93a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat const char *state = evt->findParam("SWITCH_STATE"); 94a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 950cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if (!name || !state) { 960cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat LOGW("Switch %s event missing name/state info", devpath); 970cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat return; 980cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat } 990cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat 100a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(name, "usb_mass_storage")) { 101a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 102a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(state, "online")) { 103a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(true); 104a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 105a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(false); 106a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 107a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 108a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGW("Ignoring unknown switch '%s'", name); 109a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 110a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 111a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 112fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehatvoid VolumeManager::handleBlockEvent(NetlinkEvent *evt) { 113fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat const char *devpath = evt->findParam("DEVPATH"); 114f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 115fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat /* Lookup a volume to handle this device */ 116f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator it; 117f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat bool hit = false; 118f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (it = mVolumes->begin(); it != mVolumes->end(); ++it) { 119fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat if (!(*it)->handleBlockEvent(evt)) { 120a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 121a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGD("Device '%s' event handled by volume %s\n", devpath, (*it)->getLabel()); 122a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 123f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat hit = true; 124f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat break; 125f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 126f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 127f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 128f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!hit) { 129a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 130fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat LOGW("No volumes handled block event for '%s'", devpath); 131a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 132f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 133f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 134f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 135f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::listVolumes(SocketClient *cli) { 136f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator i; 137f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 138f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 139f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *buffer; 140f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat asprintf(&buffer, "%s %s %d", 141f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getLabel(), (*i)->getMountpoint(), 142f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getState()); 143a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::VolumeListResult, buffer, false); 144f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat free(buffer); 145f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 146a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::CommandOkay, "Volumes listed.", false); 147f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 148f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 14949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 150a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::formatVolume(const char *label) { 151a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 152a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 153a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 154a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 155a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 156a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 157a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 158a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->formatVol(); 159a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 160a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 161a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::getAsecMountPath(const char *id, char *buffer, int maxlen) { 162a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 163a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 164a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 165a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 166a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!isMountpointMounted(mountPoint)) { 167a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = ENOENT; 168a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 169a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 170a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(buffer, maxlen, "/asec/%s", id); 171a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 172a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 173a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1748b8f71b1d760411279f3b07a5c97709f052c689eSan Mehatint VolumeManager::createAsec(const char *id, unsigned int numSectors, 175a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat const char *fstype, const char *key, int ownerUid) { 176a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 177a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat mkdir("/sdcard/android_secure", 0777); 178a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 179a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (lookupVolume(id)) { 180a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC volume '%s' currently exists", id); 181a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 182a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 183a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 184a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 185a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 186a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 187a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 188a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 189a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!access(asecFileName, F_OK)) { 190a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC file '%s' currently exists - destroy it first! (%s)", 191a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat asecFileName, strerror(errno)); 192a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 193a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 194a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 195a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1968b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Loop::createImageFile(asecFileName, numSectors)) { 197a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC image file creation failed (%s)", strerror(errno)); 198a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 199a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 200a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 201a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 2028da6bcb006f4e4257cdd685e35e910a6334f6ceaSan Mehat if (Loop::create(asecFileName, loopDevice, sizeof(loopDevice))) { 203a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC loop device creation failed (%s)", strerror(errno)); 204a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 205a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 206a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 207a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 208b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 209b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 210a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 211b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 2128b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Devmapper::create(id, loopDevice, key, numSectors, dmDevice, 213b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat sizeof(dmDevice))) { 214b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("ASEC device mapping failed (%s)", strerror(errno)); 215b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 216b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unlink(asecFileName); 217b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 218b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 219b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 220b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 221b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 222b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 223b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 224b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::format(dmDevice)) { 225a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC FAT format failed (%s)", strerror(errno)); 226b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 227b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 228b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 229a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 230a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 231a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 232a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 233a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 234a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 235a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 236a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 237a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 238eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat if (errno != EEXIST) { 239eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat LOGE("Mountpoint creation failed (%s)", strerror(errno)); 240b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 241b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 242b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 243eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat Loop::destroyByDevice(loopDevice); 244eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat unlink(asecFileName); 245eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat return -1; 246eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat } 247a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 248a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 249b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::doMount(dmDevice, mountPoint, false, false, ownerUid, 250cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0, 0000, false)) { 251cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0, 0007, false)) { 252a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC FAT mount failed (%s)", strerror(errno)); 253b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 254b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 255b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 256a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 257a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 258a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 259a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 260a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 261a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 262a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 263a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 264a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::finalizeAsec(const char *id) { 265a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 266a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 267a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 268a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 269a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 270a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 271a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 272a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 273a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Unable to finalize %s (%s)", id, strerror(errno)); 274a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 275a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 276a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 277a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 278fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat // XXX: 279fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat if (Fat::doMount(loopDevice, mountPoint, true, true, 0, 0, 0227, false)) { 280a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC finalize mount failed (%s)", strerror(errno)); 281a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 282a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 283a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 284a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s finalized", id); 285a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 286a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 287a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 288b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehatint VolumeManager::unmountAsec(const char *id) { 289a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 290a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 291a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 292a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 293a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 294a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 295a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 2960586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (!isMountpointMounted(mountPoint)) { 297b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Unmount request for ASEC %s when not mounted", id); 298b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat errno = EINVAL; 299b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 300b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 30123969931fad6e993832208f099f6eea0f6f76eb5San Mehat 302b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int i, rc; 303b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat for (i = 0; i < 10; i++) { 304b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = umount(mountPoint); 305b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (!rc) { 306b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 307a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 308b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc && (errno == EINVAL || errno == ENOENT)) { 309b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = 0; 310b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 311a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 312b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGW("ASEC %s unmount attempt %d failed (%s)", 313b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat id, i +1, strerror(errno)); 314b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 315b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (i >= 5) { 316b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat KillProcessesWithOpenFiles(mountPoint, (i < 7 ? 0 : 1), 317b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat NULL, 0); 318b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 319b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat usleep(1000 * 250); 320b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 321b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 322b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc) { 323b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to unmount ASEC %s", id); 324b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 325b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 326b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 327b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Devmapper::destroy(id) && errno != ENXIO) { 328b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to destroy devmapper instance (%s)", strerror(errno)); 329a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 330a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 331a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 332a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 333a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 334a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 335b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return 0; 336b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat} 337b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 338b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehatint VolumeManager::destroyAsec(const char *id) { 339b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char asecFileName[255]; 340b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char mountPoint[255]; 341b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 342b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat snprintf(asecFileName, sizeof(asecFileName), 343b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat "/sdcard/android_secure/%s.asec", id); 344b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 345b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 3460586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (isMountpointMounted(mountPoint)) { 3470586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unmountAsec(id)) { 3480586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat LOGE("Failed to unmount asec %s for destroy (%s)", id, strerror(errno)); 3490586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 3500586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 3510586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 352a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 3530586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unlink(asecFileName)) { 3540586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat LOGE("Failed to unlink asec %s (%s)", id, strerror(errno)); 3550586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 3560586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 357a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 358a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s destroyed", id); 359a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 360a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 361a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 362a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::mountAsec(const char *id, const char *key, int ownerUid) { 363a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 364a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 365a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 366a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 367a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 368a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 369a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 370a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (isMountpointMounted(mountPoint)) { 371a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC %s already mounted", id); 372a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EBUSY; 373a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 374a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 375a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 376a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 377a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 3788da6bcb006f4e4257cdd685e35e910a6334f6ceaSan Mehat if (Loop::create(asecFileName, loopDevice, sizeof(loopDevice))) { 379a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC loop device creation failed (%s)", strerror(errno)); 380a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 381a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 382b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("New loop device created at %s", loopDevice); 383b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 384b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("Found active loopback for %s at %s", asecFileName, loopDevice); 385b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 386b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 387b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 388b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 389b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 390b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Devmapper::lookupActive(id, dmDevice, sizeof(dmDevice))) { 391b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unsigned int nr_sec = 0; 392b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int fd; 393b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 394b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if ((fd = open(loopDevice, O_RDWR)) < 0) { 395b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to open loopdevice (%s)", strerror(errno)); 396b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 397b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 398b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 399b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 400b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (ioctl(fd, BLKGETSIZE, &nr_sec)) { 401b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to get loop size (%s)", strerror(errno)); 402b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 403b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat close(fd); 404b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 405b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 406b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat close(fd); 4078b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Devmapper::create(id, loopDevice, key, nr_sec, 408b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat dmDevice, sizeof(dmDevice))) { 409b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("ASEC device mapping failed (%s)", strerror(errno)); 410b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 411b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 412b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 413b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("New devmapper instance created at %s", dmDevice); 414b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 415b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("Found active devmapper for %s at %s", asecFileName, dmDevice); 416b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 417b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 418b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 419b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 420a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 421a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 422a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 423b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (errno != EEXIST) { 424b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Mountpoint creation failed (%s)", strerror(errno)); 425b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 426b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 427b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 428b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 429b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 430b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 431a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 432a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 433b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::doMount(dmDevice, mountPoint, true, false, ownerUid, 0, 434cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0222, false)) { 435cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0227, false)) { 436a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC mount failed (%s)", strerror(errno)); 437b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 438b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 439b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 440b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 441a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 442a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 443a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 444a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s mounted", id); 445a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 446a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 447a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 44849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::mountVolume(const char *label) { 44949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 45049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 45149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 45249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 45349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 45449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 45549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 456a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->mountVol(); 457a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 458a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 459a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareAvailable(const char *method, bool *avail) { 460a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 461a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 462a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 463a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 464a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 465a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 466a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (mUsbMassStorageConnected) 467a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = true; 468a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat else 469a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = false; 470a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 471a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 472a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 473a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::simulate(const char *cmd, const char *arg) { 474a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 475a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(cmd, "ums")) { 476a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(arg, "connect")) { 477a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(true); 478a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else if (!strcmp(arg, "disconnect")) { 479a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(false); 480a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 481a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 482a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 483a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 484a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 485a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 486a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 487a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 488a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 489a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 490a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 491a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareVolume(const char *label, const char *method) { 492a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 493a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 494a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 495a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 496a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 497a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 498a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 499a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat /* 500a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Eventually, we'll want to support additional share back-ends, 501a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * some of which may work while the media is mounted. For now, 502a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * we just support UMS 503a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 504a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 505a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 506a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 507a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 508a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 509a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 510a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 511a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 512a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 513a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 51449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Idle) { 515a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // You need to unmount manually befoe sharing 51649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 51749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 51849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 51949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 520a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 521a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if ((MAJOR(d) == 0) && (MINOR(d) == 0)) { 522a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // This volume does not support raw disk access 523a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 524a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 525a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 526a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 527a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 528a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 529a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 530a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 531a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 532a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 5330cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", 5340cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat O_WRONLY)) < 0) { 535a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 536a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 537a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 538a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 539a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, nodepath, strlen(nodepath)) < 0) { 540a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 541a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 542a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 543a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 544a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 545a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 546a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeShared(); 547a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 548a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 549a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 550a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::unshareVolume(const char *label, const char *method) { 551a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 552a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 553a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 554a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 555a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 556a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 557a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 558a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 559a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 560a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 561a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 562a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 563a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() != Volume::State_Shared) { 564a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 565a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 566a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 567a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 568a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 569a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 570a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 571a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 572a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 573a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 574a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 575a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 5760cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", O_WRONLY)) < 0) { 577a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 578a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 579a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 580a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 581a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char ch = 0; 582a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, &ch, 1) < 0) { 583a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 584a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 585a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 586a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 587a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 588a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 589a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeUnshared(); 590a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 59149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 59249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 59349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::unmountVolume(const char *label) { 59449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 59549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 59649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 59749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 59849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 59949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 60049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 601a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 602a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 603a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 604a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 605a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 60649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Mounted) { 607a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGW("Attempt to unmount volume which isn't mounted (%d)\n", 608a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->getState()); 60949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 61049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 61149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 61249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 613a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->unmountVol(); 61449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 61549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 616a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat/* 617a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Looks up a volume by it's label or mount-point 618a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 61949e2bce5b74129c26a35e25d4693cbfe98c4688eSan MehatVolume *VolumeManager::lookupVolume(const char *label) { 62049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat VolumeCollection::iterator i; 62149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 62249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 623a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (label[0] == '/') { 624a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getMountpoint())) 625a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 626a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 627a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getLabel())) 628a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 629a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 63049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 63149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return NULL; 63249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 633a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 634a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatbool VolumeManager::isMountpointMounted(const char *mp) 635a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat{ 636a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char device[256]; 637a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mount_path[256]; 638a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char rest[256]; 639a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat FILE *fp; 640a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char line[1024]; 641a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 642a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!(fp = fopen("/proc/mounts", "r"))) { 643a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Error opening /proc/mounts (%s)", strerror(errno)); 644a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 645a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 646a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 647a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat while(fgets(line, sizeof(line), fp)) { 648a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat line[strlen(line)-1] = '\0'; 649a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat sscanf(line, "%255s %255s %255s\n", device, mount_path, rest); 650a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!strcmp(mount_path, mp)) { 651a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 652a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return true; 653a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 654a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 655a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 656a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 657a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 658a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 659a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 660a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 661