VolumeManager.cpp revision 12f4b89046b54de1bdc188b7057ba77d7566e573
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" 40586536c60b773e3517531ad8a6cb0de6722c67fcSan Mehat#include "Process.h" 4123969931fad6e993832208f099f6eea0f6f76eb5San Mehat 42f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager *VolumeManager::sInstance = NULL; 43f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 44f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager *VolumeManager::Instance() { 45f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!sInstance) 46f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat sInstance = new VolumeManager(); 47f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return sInstance; 48f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 49f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 50f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager::VolumeManager() { 51f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mBlockDevices = new BlockDeviceCollection(); 52f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mVolumes = new VolumeCollection(); 5388705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers = new AsecIdCollection(); 54f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mBroadcaster = NULL; 55a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = false; 56f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 57f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 58f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager::~VolumeManager() { 59f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat delete mBlockDevices; 6088705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mVolumes; 6188705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mActiveContainers; 62f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 63f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 64f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::start() { 65f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 66f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 67f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 68f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::stop() { 69f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 70f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 71f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 72f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::addVolume(Volume *v) { 73f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mVolumes->push_back(v); 74f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 75f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 76f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 77a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatvoid VolumeManager::notifyUmsConnected(bool connected) { 78a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char msg[255]; 79a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 80a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (connected) { 81a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = true; 82a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 83a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = false; 84a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 85a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(msg, sizeof(msg), "Share method ums now %s", 86a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat (connected ? "available" : "unavailable")); 87a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 88a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat getBroadcaster()->sendBroadcast(ResponseCode::ShareAvailabilityChange, 89a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat msg, false); 90a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 91a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 92a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatvoid VolumeManager::handleSwitchEvent(NetlinkEvent *evt) { 930cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat const char *devpath = evt->findParam("DEVPATH"); 94a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat const char *name = evt->findParam("SWITCH_NAME"); 95a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat const char *state = evt->findParam("SWITCH_STATE"); 96a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 970cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if (!name || !state) { 980cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat LOGW("Switch %s event missing name/state info", devpath); 990cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat return; 1000cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat } 1010cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat 102a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(name, "usb_mass_storage")) { 103a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 104a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(state, "online")) { 105a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(true); 106a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 107a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(false); 108a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 109a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 110a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGW("Ignoring unknown switch '%s'", name); 111a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 112a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 113a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 114fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehatvoid VolumeManager::handleBlockEvent(NetlinkEvent *evt) { 115fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat const char *devpath = evt->findParam("DEVPATH"); 116f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 117fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat /* Lookup a volume to handle this device */ 118f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator it; 119f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat bool hit = false; 120f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (it = mVolumes->begin(); it != mVolumes->end(); ++it) { 121fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat if (!(*it)->handleBlockEvent(evt)) { 122a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 123a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGD("Device '%s' event handled by volume %s\n", devpath, (*it)->getLabel()); 124a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 125f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat hit = true; 126f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat break; 127f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 128f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 129f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 130f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!hit) { 131a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 132fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat LOGW("No volumes handled block event for '%s'", devpath); 133a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 134f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 135f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 136f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 137f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::listVolumes(SocketClient *cli) { 138f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator i; 139f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 140f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 141f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *buffer; 142f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat asprintf(&buffer, "%s %s %d", 143f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getLabel(), (*i)->getMountpoint(), 144f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getState()); 145a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::VolumeListResult, buffer, false); 146f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat free(buffer); 147f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 148a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::CommandOkay, "Volumes listed.", false); 149f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 150f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 15149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 152a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::formatVolume(const char *label) { 153a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 154a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 155a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 156a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 157a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 158a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 159a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 160a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->formatVol(); 161a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 162a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 163a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::getAsecMountPath(const char *id, char *buffer, int maxlen) { 164a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1653bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(buffer, maxlen, "%s/%s", Volume::ASECDIR, id); 166a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 167a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 168a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1698b8f71b1d760411279f3b07a5c97709f052c689eSan Mehatint VolumeManager::createAsec(const char *id, unsigned int numSectors, 170a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat const char *fstype, const char *key, int ownerUid) { 171a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 172d31e380bd9689dd9629b510ffe324707e261b439San Mehat if (numSectors < ((1024*1024)/512)) { 173d31e380bd9689dd9629b510ffe324707e261b439San Mehat LOGE("Invalid container size specified (%d sectors)", numSectors); 174d31e380bd9689dd9629b510ffe324707e261b439San Mehat errno = EINVAL; 175d31e380bd9689dd9629b510ffe324707e261b439San Mehat return -1; 176d31e380bd9689dd9629b510ffe324707e261b439San Mehat } 177d31e380bd9689dd9629b510ffe324707e261b439San Mehat 178a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (lookupVolume(id)) { 1793bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat LOGE("ASEC id '%s' currently exists", id); 180a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 181a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 182a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 183a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 184a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 1853bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, 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 2343bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, 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 2683bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 269a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 270a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 271a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Unable to finalize %s (%s)", id, strerror(errno)); 272a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 273a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 274a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 2753bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 276fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat // XXX: 277fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat if (Fat::doMount(loopDevice, mountPoint, true, true, 0, 0, 0227, false)) { 278a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC finalize mount failed (%s)", strerror(errno)); 279a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 280a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 281a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 282a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s finalized", id); 283a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 284a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 285a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 286048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatint VolumeManager::renameAsec(const char *id1, const char *id2) { 287048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename1; 288048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename2; 289048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char mountPoint[255]; 290048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 2913bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat asprintf(&asecFilename1, "%s/%s.asec", Volume::SEC_ASECDIR, id1); 2923bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat asprintf(&asecFilename2, "%s/%s.asec", Volume::SEC_ASECDIR, id2); 293048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 2943bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id1); 295048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (isMountpointMounted(mountPoint)) { 296048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat LOGW("Rename attempt when src mounted"); 297048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EBUSY; 298048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 299048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 300048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 30196956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id2); 30296956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat if (isMountpointMounted(mountPoint)) { 30396956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat LOGW("Rename attempt when dst mounted"); 30496956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat errno = EBUSY; 30596956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat goto out_err; 30696956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat } 30796956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat 308048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (!access(asecFilename2, F_OK)) { 309048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat LOGE("Rename attempt when dst exists"); 310048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EADDRINUSE; 311048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 312048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 313048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 314048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (rename(asecFilename1, asecFilename2)) { 315048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat LOGE("Rename of '%s' to '%s' failed (%s)", asecFilename1, asecFilename2, strerror(errno)); 316048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 317048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 318048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 319048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 320048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 321048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return 0; 322048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 323048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatout_err: 324048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 325048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 326048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return -1; 327048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat} 328048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 3294ba8948dc16463053e21cda5744f519a555080d0San Mehat#define ASEC_UNMOUNT_RETRIES 5 3304ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::unmountAsec(const char *id, bool force) { 331a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 332a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 333a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 3343bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 3353bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 336a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 3370586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (!isMountpointMounted(mountPoint)) { 338b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Unmount request for ASEC %s when not mounted", id); 339b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat errno = EINVAL; 340b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 341b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 34223969931fad6e993832208f099f6eea0f6f76eb5San Mehat 343b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int i, rc; 3448c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat for (i = 1; i <= ASEC_UNMOUNT_RETRIES; i++) { 345b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = umount(mountPoint); 346b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (!rc) { 347b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 348a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 349b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc && (errno == EINVAL || errno == ENOENT)) { 35012f4b89046b54de1bdc188b7057ba77d7566e573San Mehat LOGI("Secure container %s unmounted OK", id); 351b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = 0; 352b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 353a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 354b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGW("ASEC %s unmount attempt %d failed (%s)", 3558c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat id, i, strerror(errno)); 3568c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 3574ba8948dc16463053e21cda5744f519a555080d0San Mehat int action = 0; // default is to just complain 3584ba8948dc16463053e21cda5744f519a555080d0San Mehat 3594ba8948dc16463053e21cda5744f519a555080d0San Mehat if (force) { 3604ba8948dc16463053e21cda5744f519a555080d0San Mehat if (i > (ASEC_UNMOUNT_RETRIES - 2)) 3614ba8948dc16463053e21cda5744f519a555080d0San Mehat action = 2; // SIGKILL 3624ba8948dc16463053e21cda5744f519a555080d0San Mehat else if (i > (ASEC_UNMOUNT_RETRIES - 3)) 3634ba8948dc16463053e21cda5744f519a555080d0San Mehat action = 1; // SIGHUP 3644ba8948dc16463053e21cda5744f519a555080d0San Mehat } 3658c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 366586536c60b773e3517531ad8a6cb0de6722c67fcSan Mehat Process::killProcessesWithOpenFiles(mountPoint, action); 3678c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat usleep(1000 * 1000); 368b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 369b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 370b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc) { 3714ba8948dc16463053e21cda5744f519a555080d0San Mehat errno = EBUSY; 3724ba8948dc16463053e21cda5744f519a555080d0San Mehat LOGE("Failed to unmount container %s (%s)", id, strerror(errno)); 373b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 374b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 375b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 37612f4b89046b54de1bdc188b7057ba77d7566e573San Mehat int retries = 10; 37712f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 37812f4b89046b54de1bdc188b7057ba77d7566e573San Mehat while(retries--) { 37912f4b89046b54de1bdc188b7057ba77d7566e573San Mehat if (!rmdir(mountPoint)) { 38012f4b89046b54de1bdc188b7057ba77d7566e573San Mehat break; 38112f4b89046b54de1bdc188b7057ba77d7566e573San Mehat } 38212f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 38312f4b89046b54de1bdc188b7057ba77d7566e573San Mehat LOGW("Failed to rmdir %s (%s)", mountPoint, strerror(errno)); 38412f4b89046b54de1bdc188b7057ba77d7566e573San Mehat usleep(1000 * 1000); 38512f4b89046b54de1bdc188b7057ba77d7566e573San Mehat } 38612f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 38712f4b89046b54de1bdc188b7057ba77d7566e573San Mehat if (!retries) { 38812f4b89046b54de1bdc188b7057ba77d7566e573San Mehat LOGE("Timed out trying to rmdir %s (%s)", mountPoint, strerror(errno)); 389f5c61980969a0b49bda37b5dc94ffe675ebd5a5aSan Mehat } 39088705166ab82057090a070c6d4200c3d9db76f11San Mehat 391b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Devmapper::destroy(id) && errno != ENXIO) { 392b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to destroy devmapper instance (%s)", strerror(errno)); 393a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 394a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 395a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 396a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 397a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 398a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 39988705166ab82057090a070c6d4200c3d9db76f11San Mehat 40088705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it; 40188705166ab82057090a070c6d4200c3d9db76f11San Mehat for (it = mActiveContainers->begin(); it != mActiveContainers->end(); ++it) { 40288705166ab82057090a070c6d4200c3d9db76f11San Mehat if (!strcmp(*it, id)) { 40388705166ab82057090a070c6d4200c3d9db76f11San Mehat free(*it); 40488705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->erase(it); 40588705166ab82057090a070c6d4200c3d9db76f11San Mehat break; 40688705166ab82057090a070c6d4200c3d9db76f11San Mehat } 40788705166ab82057090a070c6d4200c3d9db76f11San Mehat } 40888705166ab82057090a070c6d4200c3d9db76f11San Mehat if (it == mActiveContainers->end()) { 40988705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGW("mActiveContainers is inconsistent!"); 41088705166ab82057090a070c6d4200c3d9db76f11San Mehat } 411b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return 0; 412b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat} 413b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 4144ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::destroyAsec(const char *id, bool force) { 415b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char asecFileName[255]; 416b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char mountPoint[255]; 417b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 4183bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 419b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 4200586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (isMountpointMounted(mountPoint)) { 42168f8ebdb24dfe1fe94de2c8fc11084ebfab9fa5dSan Mehat LOGD("Unmounting container before destroy"); 4224ba8948dc16463053e21cda5744f519a555080d0San Mehat if (unmountAsec(id, force)) { 4230586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat LOGE("Failed to unmount asec %s for destroy (%s)", id, strerror(errno)); 4240586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 4250586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 4260586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 427a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 4280586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unlink(asecFileName)) { 42968f8ebdb24dfe1fe94de2c8fc11084ebfab9fa5dSan Mehat LOGE("Failed to unlink asec '%s' (%s)", asecFileName, strerror(errno)); 4300586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 4310586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 432a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 433a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s destroyed", id); 434a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 435a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 436a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 437a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::mountAsec(const char *id, const char *key, int ownerUid) { 438a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 439a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 440a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 4413bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 4423bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 443a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 444a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (isMountpointMounted(mountPoint)) { 445a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC %s already mounted", id); 446a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EBUSY; 447a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 448a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 449a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 450a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 451a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 4528da6bcb006f4e4257cdd685e35e910a6334f6ceaSan Mehat if (Loop::create(asecFileName, loopDevice, sizeof(loopDevice))) { 453a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC loop device creation failed (%s)", strerror(errno)); 454a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 455a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 456b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("New loop device created at %s", loopDevice); 457b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 458b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("Found active loopback for %s at %s", asecFileName, loopDevice); 459b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 460b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 461b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 462b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 463b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 464b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Devmapper::lookupActive(id, dmDevice, sizeof(dmDevice))) { 465b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unsigned int nr_sec = 0; 466b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int fd; 467b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 468b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if ((fd = open(loopDevice, O_RDWR)) < 0) { 469b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to open loopdevice (%s)", strerror(errno)); 470b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 471b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 472b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 473b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 474b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (ioctl(fd, BLKGETSIZE, &nr_sec)) { 475b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to get loop size (%s)", strerror(errno)); 476b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 477b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat close(fd); 478b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 479b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 480b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat close(fd); 4818b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Devmapper::create(id, loopDevice, key, nr_sec, 482b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat dmDevice, sizeof(dmDevice))) { 483b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("ASEC device mapping failed (%s)", strerror(errno)); 484b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 485b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 486b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 487b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("New devmapper instance created at %s", dmDevice); 488b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 489b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("Found active devmapper for %s at %s", asecFileName, dmDevice); 490b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 491b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 492b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 493b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 494a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 495a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 496a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 497b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (errno != EEXIST) { 498b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Mountpoint creation failed (%s)", strerror(errno)); 499b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 500b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 501b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 502b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 503b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 504b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 505a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 506a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 507b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::doMount(dmDevice, mountPoint, true, false, ownerUid, 0, 508cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0222, false)) { 509cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0227, false)) { 510a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC mount failed (%s)", strerror(errno)); 511b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 512b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 513b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 514b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 515a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 516a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 517a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 51888705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->push_back(strdup(id)); 519a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s mounted", id); 520a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 521a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 522a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 52349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::mountVolume(const char *label) { 52449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 52549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 52649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 52749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 52849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 52949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 53049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 531a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->mountVol(); 532a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 533a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 534a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareAvailable(const char *method, bool *avail) { 535a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 536a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 537a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 538a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 539a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 540a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 541a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (mUsbMassStorageConnected) 542a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = true; 543a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat else 544a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = false; 545a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 546a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 547a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 548eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehatint VolumeManager::shareEnabled(const char *label, const char *method, bool *enabled) { 549eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat Volume *v = lookupVolume(label); 550eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 551eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (!v) { 552eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOENT; 553eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 554eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 555eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 556eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (strcmp(method, "ums")) { 557eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOSYS; 558eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 559eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 560eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 561eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (v->getState() != Volume::State_Shared) { 562eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat *enabled = false; 563b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat } else { 564b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat *enabled = true; 565eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 566eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return 0; 567eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat} 568eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 569a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::simulate(const char *cmd, const char *arg) { 570a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 571a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(cmd, "ums")) { 572a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(arg, "connect")) { 573a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(true); 574a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else if (!strcmp(arg, "disconnect")) { 575a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(false); 576a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 577a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 578a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 579a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 580a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 581a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 582a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 583a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 584a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 585a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 586a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 587a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareVolume(const char *label, const char *method) { 588a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 589a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 590a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 591a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 592a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 593a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 594a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 595a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat /* 596a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Eventually, we'll want to support additional share back-ends, 597a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * some of which may work while the media is mounted. For now, 598a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * we just support UMS 599a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 600a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 601a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 602a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 603a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 604a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 605a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 606a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 607a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 608a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 609a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 61049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Idle) { 611a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // You need to unmount manually befoe sharing 61249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 61349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 61449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 61549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 616a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 617a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if ((MAJOR(d) == 0) && (MINOR(d) == 0)) { 618a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // This volume does not support raw disk access 619a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 620a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 621a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 622a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 623a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 624a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 625a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 626a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 627a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 628a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 6290cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", 6300cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat O_WRONLY)) < 0) { 631a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 632a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 633a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 634a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 635a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, nodepath, strlen(nodepath)) < 0) { 636a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 637a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 638a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 639a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 640a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 641a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 642a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeShared(); 643a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 644a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 645a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 646a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::unshareVolume(const char *label, const char *method) { 647a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 648a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 649a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 650a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 651a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 652a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 653a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 654a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 655a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 656a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 657a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 658a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 659a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() != Volume::State_Shared) { 660a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 661a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 662a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 663a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 664a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 665a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 666a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 667a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 668a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 669a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 670a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 671a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 6720cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", O_WRONLY)) < 0) { 673a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 674a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 675a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 676a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 677a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char ch = 0; 678a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, &ch, 1) < 0) { 679a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 680a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 681a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 682a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 683a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 684a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 685a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeUnshared(); 686a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 68749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 68849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 6894ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::unmountVolume(const char *label, bool force) { 69049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 69149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 69249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 69349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 69449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 69549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 69649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 697a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 698a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 699a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 700a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 701a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 70249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Mounted) { 703a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGW("Attempt to unmount volume which isn't mounted (%d)\n", 704a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->getState()); 70549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 70649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 70749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 70849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 70988705166ab82057090a070c6d4200c3d9db76f11San Mehat while(mActiveContainers->size()) { 71088705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it = mActiveContainers->begin(); 71188705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGI("Unmounting ASEC %s (dependant on %s)", *it, v->getMountpoint()); 7124ba8948dc16463053e21cda5744f519a555080d0San Mehat if (unmountAsec(*it, force)) { 71312f4b89046b54de1bdc188b7057ba77d7566e573San Mehat LOGE("Failed to unmount ASEC %s (%s)", *it, strerror(errno)); 7140e382532f32e97f90056250f2b13c59840d2c6b4San Mehat return -1; 71588705166ab82057090a070c6d4200c3d9db76f11San Mehat } 71688705166ab82057090a070c6d4200c3d9db76f11San Mehat } 71788705166ab82057090a070c6d4200c3d9db76f11San Mehat 7184ba8948dc16463053e21cda5744f519a555080d0San Mehat return v->unmountVol(force); 71949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 72049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 721a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat/* 722a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Looks up a volume by it's label or mount-point 723a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 72449e2bce5b74129c26a35e25d4693cbfe98c4688eSan MehatVolume *VolumeManager::lookupVolume(const char *label) { 72549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat VolumeCollection::iterator i; 72649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 72749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 728a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (label[0] == '/') { 729a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getMountpoint())) 730a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 731a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 732a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getLabel())) 733a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 734a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 73549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 73649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return NULL; 73749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 738a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 739a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatbool VolumeManager::isMountpointMounted(const char *mp) 740a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat{ 741a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char device[256]; 742a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mount_path[256]; 743a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char rest[256]; 744a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat FILE *fp; 745a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char line[1024]; 746a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 747a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!(fp = fopen("/proc/mounts", "r"))) { 748a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Error opening /proc/mounts (%s)", strerror(errno)); 749a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 750a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 751a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 752a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat while(fgets(line, sizeof(line), fp)) { 753a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat line[strlen(line)-1] = '\0'; 754a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat sscanf(line, "%255s %255s %255s\n", device, mount_path, rest); 755a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!strcmp(mount_path, mp)) { 756a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 757a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return true; 758a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 759a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 760a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 761a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 762a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 763a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 764a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 765a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 766