VolumeManager.cpp revision 68f8ebdb24dfe1fe94de2c8fc11084ebfab9fa5d
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 snprintf(buffer, maxlen, "/asec/%s", id); 169a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 170a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 171a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1728b8f71b1d760411279f3b07a5c97709f052c689eSan Mehatint VolumeManager::createAsec(const char *id, unsigned int numSectors, 173a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat const char *fstype, const char *key, int ownerUid) { 174a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 175a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat mkdir("/sdcard/android_secure", 0777); 176a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 177a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (lookupVolume(id)) { 178a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC volume '%s' currently exists", id); 179a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 180a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 181a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 182a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 183a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 184a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 185a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 186a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 187a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!access(asecFileName, F_OK)) { 188a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC file '%s' currently exists - destroy it first! (%s)", 189a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat asecFileName, strerror(errno)); 190a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 191a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 192a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 193a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1948b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Loop::createImageFile(asecFileName, numSectors)) { 195a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC image file creation failed (%s)", strerror(errno)); 196a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 197a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 198a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 199a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 2008da6bcb006f4e4257cdd685e35e910a6334f6ceaSan Mehat if (Loop::create(asecFileName, loopDevice, sizeof(loopDevice))) { 201a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC loop device creation failed (%s)", strerror(errno)); 202a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 203a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 204a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 205a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 206b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 207b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 208a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 209b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 2108b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Devmapper::create(id, loopDevice, key, numSectors, dmDevice, 211b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat sizeof(dmDevice))) { 212b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("ASEC device mapping failed (%s)", strerror(errno)); 213b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 214b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unlink(asecFileName); 215b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 216b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 217b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 218b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 219b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 220b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 221b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 222b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::format(dmDevice)) { 223a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC FAT format failed (%s)", strerror(errno)); 224b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 225b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 226b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 227a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 228a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 229a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 230a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 231a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 232a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 233a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 234a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 235a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 236eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat if (errno != EEXIST) { 237eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat LOGE("Mountpoint creation failed (%s)", strerror(errno)); 238b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 239b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 240b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 241eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat Loop::destroyByDevice(loopDevice); 242eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat unlink(asecFileName); 243eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat return -1; 244eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat } 245a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 246a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 247b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::doMount(dmDevice, mountPoint, false, false, ownerUid, 248cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0, 0000, false)) { 249cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0, 0007, false)) { 250a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC FAT mount failed (%s)", strerror(errno)); 251b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 252b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 253b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 254a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 255a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 256a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 257a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 25888705166ab82057090a070c6d4200c3d9db76f11San Mehat 25988705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->push_back(strdup(id)); 260a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 261a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 262a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 263a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::finalizeAsec(const char *id) { 264a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 265a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 266a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 267a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 268a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 269a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 270a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 271a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 272a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Unable to finalize %s (%s)", id, strerror(errno)); 273a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 274a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 275a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 276a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 277fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat // XXX: 278fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat if (Fat::doMount(loopDevice, mountPoint, true, true, 0, 0, 0227, false)) { 279a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC finalize mount failed (%s)", strerror(errno)); 280a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 281a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 282a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 283a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s finalized", id); 284a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 285a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 286a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 287b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehatint VolumeManager::unmountAsec(const char *id) { 288a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 289a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 290a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 291a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 292a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 293a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 294a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 2950586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (!isMountpointMounted(mountPoint)) { 296b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Unmount request for ASEC %s when not mounted", id); 297b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat errno = EINVAL; 298b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 299b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 30023969931fad6e993832208f099f6eea0f6f76eb5San Mehat 301b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int i, rc; 302b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat for (i = 0; i < 10; i++) { 303b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = umount(mountPoint); 304b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (!rc) { 305b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 306a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 307b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc && (errno == EINVAL || errno == ENOENT)) { 308b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = 0; 309b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 310a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 311b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGW("ASEC %s unmount attempt %d failed (%s)", 312b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat id, i +1, strerror(errno)); 313b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 314b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (i >= 5) { 315b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat KillProcessesWithOpenFiles(mountPoint, (i < 7 ? 0 : 1), 316b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat NULL, 0); 317b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 318b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat usleep(1000 * 250); 319b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 320b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 321b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc) { 322b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to unmount ASEC %s", id); 323b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 324b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 325b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 32688705166ab82057090a070c6d4200c3d9db76f11San Mehat unlink(mountPoint); 32788705166ab82057090a070c6d4200c3d9db76f11San Mehat 328b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Devmapper::destroy(id) && errno != ENXIO) { 329b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to destroy devmapper instance (%s)", strerror(errno)); 330a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 331a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 332a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 333a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 334a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 335a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 33688705166ab82057090a070c6d4200c3d9db76f11San Mehat 33788705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it; 33888705166ab82057090a070c6d4200c3d9db76f11San Mehat for (it = mActiveContainers->begin(); it != mActiveContainers->end(); ++it) { 33988705166ab82057090a070c6d4200c3d9db76f11San Mehat if (!strcmp(*it, id)) { 34088705166ab82057090a070c6d4200c3d9db76f11San Mehat free(*it); 34188705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->erase(it); 34288705166ab82057090a070c6d4200c3d9db76f11San Mehat break; 34388705166ab82057090a070c6d4200c3d9db76f11San Mehat } 34488705166ab82057090a070c6d4200c3d9db76f11San Mehat } 34588705166ab82057090a070c6d4200c3d9db76f11San Mehat if (it == mActiveContainers->end()) { 34688705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGW("mActiveContainers is inconsistent!"); 34788705166ab82057090a070c6d4200c3d9db76f11San Mehat } 348b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return 0; 349b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat} 350b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 351b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehatint VolumeManager::destroyAsec(const char *id) { 352b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char asecFileName[255]; 353b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char mountPoint[255]; 354b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 355b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat snprintf(asecFileName, sizeof(asecFileName), 356b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat "/sdcard/android_secure/%s.asec", id); 357b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 358b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 3590586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (isMountpointMounted(mountPoint)) { 36068f8ebdb24dfe1fe94de2c8fc11084ebfab9fa5dSan Mehat LOGD("Unmounting container before destroy"); 3610586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unmountAsec(id)) { 3620586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat LOGE("Failed to unmount asec %s for destroy (%s)", id, strerror(errno)); 3630586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 3640586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 3650586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 366a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 3670586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unlink(asecFileName)) { 36868f8ebdb24dfe1fe94de2c8fc11084ebfab9fa5dSan Mehat LOGE("Failed to unlink asec '%s' (%s)", asecFileName, strerror(errno)); 3690586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 3700586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 371a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 372a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s destroyed", id); 373a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 374a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 375a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 376a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::mountAsec(const char *id, const char *key, int ownerUid) { 377a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 378a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 379a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 380a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 381a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 382a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 383a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 384a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (isMountpointMounted(mountPoint)) { 385a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC %s already mounted", id); 386a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EBUSY; 387a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 388a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 389a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 390a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 391a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 3928da6bcb006f4e4257cdd685e35e910a6334f6ceaSan Mehat if (Loop::create(asecFileName, loopDevice, sizeof(loopDevice))) { 393a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC loop device creation failed (%s)", strerror(errno)); 394a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 395a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 396b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("New loop device created at %s", loopDevice); 397b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 398b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("Found active loopback for %s at %s", asecFileName, loopDevice); 399b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 400b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 401b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 402b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 403b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 404b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Devmapper::lookupActive(id, dmDevice, sizeof(dmDevice))) { 405b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unsigned int nr_sec = 0; 406b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int fd; 407b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 408b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if ((fd = open(loopDevice, O_RDWR)) < 0) { 409b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to open loopdevice (%s)", strerror(errno)); 410b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 411b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 412b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 413b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 414b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (ioctl(fd, BLKGETSIZE, &nr_sec)) { 415b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to get loop size (%s)", strerror(errno)); 416b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 417b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat close(fd); 418b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 419b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 420b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat close(fd); 4218b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Devmapper::create(id, loopDevice, key, nr_sec, 422b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat dmDevice, sizeof(dmDevice))) { 423b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("ASEC device mapping failed (%s)", strerror(errno)); 424b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 425b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 426b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 427b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("New devmapper instance created at %s", dmDevice); 428b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 429b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("Found active devmapper for %s at %s", asecFileName, dmDevice); 430b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 431b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 432b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 433b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 434a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 435a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 436a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 437b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (errno != EEXIST) { 438b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Mountpoint creation failed (%s)", strerror(errno)); 439b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 440b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 441b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 442b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 443b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 444b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 445a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 446a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 447b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::doMount(dmDevice, mountPoint, true, false, ownerUid, 0, 448cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0222, false)) { 449cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0227, false)) { 450a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC mount failed (%s)", strerror(errno)); 451b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 452b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 453b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 454b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 455a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 456a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 457a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 45888705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->push_back(strdup(id)); 459a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s mounted", id); 460a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 461a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 462a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 46349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::mountVolume(const char *label) { 46449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 46549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 46649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 46749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 46849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 46949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 47049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 471a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->mountVol(); 472a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 473a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 474a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareAvailable(const char *method, bool *avail) { 475a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 476a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 477a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 478a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 479a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 480a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 481a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (mUsbMassStorageConnected) 482a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = true; 483a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat else 484a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = false; 485a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 486a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 487a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 488a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::simulate(const char *cmd, const char *arg) { 489a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 490a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(cmd, "ums")) { 491a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(arg, "connect")) { 492a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(true); 493a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else if (!strcmp(arg, "disconnect")) { 494a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(false); 495a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 496a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 497a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 498a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 499a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 500a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 501a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 502a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 503a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 504a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 505a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 506a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareVolume(const char *label, const char *method) { 507a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 508a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 509a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 510a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 511a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 512a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 513a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 514a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat /* 515a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Eventually, we'll want to support additional share back-ends, 516a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * some of which may work while the media is mounted. For now, 517a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * we just support UMS 518a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 519a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 520a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 521a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 522a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 523a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 524a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 525a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 526a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 527a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 528a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 52949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Idle) { 530a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // You need to unmount manually befoe sharing 53149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 53249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 53349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 53449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 535a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 536a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if ((MAJOR(d) == 0) && (MINOR(d) == 0)) { 537a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // This volume does not support raw disk access 538a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 539a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 540a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 541a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 542a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 543a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 544a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 545a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 546a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 547a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 5480cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", 5490cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat O_WRONLY)) < 0) { 550a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 551a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 552a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 553a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 554a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, nodepath, strlen(nodepath)) < 0) { 555a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 556a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 557a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 558a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 559a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 560a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 561a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeShared(); 562a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 563a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 564a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 565a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::unshareVolume(const char *label, const char *method) { 566a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 567a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 568a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 569a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 570a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 571a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 572a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 573a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 574a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 575a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 576a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 577a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 578a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() != Volume::State_Shared) { 579a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 580a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 581a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 582a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 583a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 584a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 585a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 586a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 587a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 588a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 589a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 590a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 5910cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", O_WRONLY)) < 0) { 592a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 593a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 594a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 595a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 596a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char ch = 0; 597a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, &ch, 1) < 0) { 598a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 599a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 600a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 601a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 602a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 603a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 604a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeUnshared(); 605a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 60649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 60749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 60849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::unmountVolume(const char *label) { 60949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 61049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 61149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 61249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 61349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 61449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 61549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 616a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 617a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 618a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 619a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 620a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 62149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Mounted) { 622a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGW("Attempt to unmount volume which isn't mounted (%d)\n", 623a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->getState()); 62449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 62549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 62649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 62749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 62888705166ab82057090a070c6d4200c3d9db76f11San Mehat while(mActiveContainers->size()) { 62988705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it = mActiveContainers->begin(); 63088705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGI("Unmounting ASEC %s (dependant on %s)", *it, v->getMountpoint()); 63188705166ab82057090a070c6d4200c3d9db76f11San Mehat if (unmountAsec(*it)) { 63288705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGE("Failed to unmount ASEC %s (%s) - unmount of %s may fail!", *it, 63388705166ab82057090a070c6d4200c3d9db76f11San Mehat strerror(errno), v->getMountpoint()); 63488705166ab82057090a070c6d4200c3d9db76f11San Mehat } 63588705166ab82057090a070c6d4200c3d9db76f11San Mehat } 63688705166ab82057090a070c6d4200c3d9db76f11San Mehat 637a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->unmountVol(); 63849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 63949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 640a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat/* 641a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Looks up a volume by it's label or mount-point 642a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 64349e2bce5b74129c26a35e25d4693cbfe98c4688eSan MehatVolume *VolumeManager::lookupVolume(const char *label) { 64449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat VolumeCollection::iterator i; 64549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 64649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 647a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (label[0] == '/') { 648a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getMountpoint())) 649a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 650a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 651a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getLabel())) 652a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 653a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 65449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 65549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return NULL; 65649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 657a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 658a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatbool VolumeManager::isMountpointMounted(const char *mp) 659a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat{ 660a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char device[256]; 661a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mount_path[256]; 662a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char rest[256]; 663a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat FILE *fp; 664a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char line[1024]; 665a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 666a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!(fp = fopen("/proc/mounts", "r"))) { 667a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Error opening /proc/mounts (%s)", strerror(errno)); 668a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 669a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 670a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 671a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat while(fgets(line, sizeof(line), fp)) { 672a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat line[strlen(line)-1] = '\0'; 673a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat sscanf(line, "%255s %255s %255s\n", device, mount_path, rest); 674a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!strcmp(mount_path, mp)) { 675a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 676a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return true; 677a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 678a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 679a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 680a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 681a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 682a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 683a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 684a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 685