VolumeManager.cpp revision 4ba8948dc16463053e21cda5744f519a555080d0
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 char mountPoint[255]; 165a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 166a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 167a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(buffer, maxlen, "/asec/%s", id); 168a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 169a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 170a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1718b8f71b1d760411279f3b07a5c97709f052c689eSan Mehatint VolumeManager::createAsec(const char *id, unsigned int numSectors, 172a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat const char *fstype, const char *key, int ownerUid) { 173a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 174d31e380bd9689dd9629b510ffe324707e261b439San Mehat if (numSectors < ((1024*1024)/512)) { 175d31e380bd9689dd9629b510ffe324707e261b439San Mehat LOGE("Invalid container size specified (%d sectors)", numSectors); 176d31e380bd9689dd9629b510ffe324707e261b439San Mehat errno = EINVAL; 177d31e380bd9689dd9629b510ffe324707e261b439San Mehat return -1; 178d31e380bd9689dd9629b510ffe324707e261b439San Mehat } 179d31e380bd9689dd9629b510ffe324707e261b439San Mehat 180a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat mkdir("/sdcard/android_secure", 0777); 181a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 182a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (lookupVolume(id)) { 183a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC volume '%s' currently exists", id); 184a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 185a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 186a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 187a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 188a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 189a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 190a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 191a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 192a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!access(asecFileName, F_OK)) { 193a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC file '%s' currently exists - destroy it first! (%s)", 194a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat asecFileName, strerror(errno)); 195a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 196a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 197a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 198a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1998b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Loop::createImageFile(asecFileName, numSectors)) { 200a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC image file creation failed (%s)", strerror(errno)); 201a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 202a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 203a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 204a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 2058da6bcb006f4e4257cdd685e35e910a6334f6ceaSan Mehat if (Loop::create(asecFileName, loopDevice, sizeof(loopDevice))) { 206a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC loop device creation failed (%s)", strerror(errno)); 207a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 208a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 209a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 210a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 211b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 212b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 213a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 214b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 2158b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Devmapper::create(id, loopDevice, key, numSectors, dmDevice, 216b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat sizeof(dmDevice))) { 217b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("ASEC device mapping failed (%s)", strerror(errno)); 218b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 219b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unlink(asecFileName); 220b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 221b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 222b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 223b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 224b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 225b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 226b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 227b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::format(dmDevice)) { 228a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC FAT format failed (%s)", strerror(errno)); 229b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 230b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 231b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 232a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 233a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 234a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 235a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 236a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 237a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 238a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 239a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 240a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 241eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat if (errno != EEXIST) { 242eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat LOGE("Mountpoint creation failed (%s)", strerror(errno)); 243b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 244b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 245b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 246eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat Loop::destroyByDevice(loopDevice); 247eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat unlink(asecFileName); 248eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat return -1; 249eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat } 250a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 251a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 252b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::doMount(dmDevice, mountPoint, false, false, ownerUid, 253cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0, 0000, false)) { 254cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0, 0007, false)) { 255a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC FAT mount failed (%s)", strerror(errno)); 256b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 257b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 258b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 259a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 260a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 261a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 262a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 26388705166ab82057090a070c6d4200c3d9db76f11San Mehat 26488705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->push_back(strdup(id)); 265a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 266a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 267a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 268a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::finalizeAsec(const char *id) { 269a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 270a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 271a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 272a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 273a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 274a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 275a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 276a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 277a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Unable to finalize %s (%s)", id, strerror(errno)); 278a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 279a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 280a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 281a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 282fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat // XXX: 283fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat if (Fat::doMount(loopDevice, mountPoint, true, true, 0, 0, 0227, false)) { 284a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC finalize mount failed (%s)", strerror(errno)); 285a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 286a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 287a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 288a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s finalized", id); 289a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 290a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 291a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 292048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatint VolumeManager::renameAsec(const char *id1, const char *id2) { 293048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename1; 294048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename2; 295048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char mountPoint[255]; 296048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 297048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat asprintf(&asecFilename1, "/sdcard/android_secure/%s.asec", id1); 298048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat asprintf(&asecFilename2, "/sdcard/android_secure/%s.asec", id2); 299048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 300048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id1); 301048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (isMountpointMounted(mountPoint)) { 302048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat LOGW("Rename attempt when src mounted"); 303048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EBUSY; 304048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 305048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 306048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 307048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (!access(asecFilename2, F_OK)) { 308048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat LOGE("Rename attempt when dst exists"); 309048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EADDRINUSE; 310048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 311048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 312048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 313048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (rename(asecFilename1, asecFilename2)) { 314048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat LOGE("Rename of '%s' to '%s' failed (%s)", asecFilename1, asecFilename2, strerror(errno)); 315048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 316048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 317048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 318048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 319048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 320048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return 0; 321048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 322048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatout_err: 323048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 324048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 325048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return -1; 326048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat} 327048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 3284ba8948dc16463053e21cda5744f519a555080d0San Mehat#define ASEC_UNMOUNT_RETRIES 5 3294ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::unmountAsec(const char *id, bool force) { 330a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 331a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 332a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 333a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 334a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 335a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", 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)) { 350b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = 0; 351b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 352a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 353b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGW("ASEC %s unmount attempt %d failed (%s)", 3548c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat id, i, strerror(errno)); 3558c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 3564ba8948dc16463053e21cda5744f519a555080d0San Mehat int action = 0; // default is to just complain 3574ba8948dc16463053e21cda5744f519a555080d0San Mehat 3584ba8948dc16463053e21cda5744f519a555080d0San Mehat if (force) { 3594ba8948dc16463053e21cda5744f519a555080d0San Mehat if (i > (ASEC_UNMOUNT_RETRIES - 2)) 3604ba8948dc16463053e21cda5744f519a555080d0San Mehat action = 2; // SIGKILL 3614ba8948dc16463053e21cda5744f519a555080d0San Mehat else if (i > (ASEC_UNMOUNT_RETRIES - 3)) 3624ba8948dc16463053e21cda5744f519a555080d0San Mehat action = 1; // SIGHUP 3634ba8948dc16463053e21cda5744f519a555080d0San Mehat } 3648c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 365586536c60b773e3517531ad8a6cb0de6722c67fcSan Mehat Process::killProcessesWithOpenFiles(mountPoint, action); 3668c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat usleep(1000 * 1000); 367b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 368b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 369b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc) { 3704ba8948dc16463053e21cda5744f519a555080d0San Mehat errno = EBUSY; 3714ba8948dc16463053e21cda5744f519a555080d0San Mehat LOGE("Failed to unmount container %s (%s)", id, strerror(errno)); 372b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 373b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 374b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 375f5c61980969a0b49bda37b5dc94ffe675ebd5a5aSan Mehat if (rmdir(mountPoint)) { 376f5c61980969a0b49bda37b5dc94ffe675ebd5a5aSan Mehat LOGE("Failed to rmdir mountpoint (%s)", strerror(errno)); 377f5c61980969a0b49bda37b5dc94ffe675ebd5a5aSan Mehat } 37888705166ab82057090a070c6d4200c3d9db76f11San Mehat 379b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Devmapper::destroy(id) && errno != ENXIO) { 380b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to destroy devmapper instance (%s)", strerror(errno)); 381a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 382a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 383a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 384a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 385a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 386a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 38788705166ab82057090a070c6d4200c3d9db76f11San Mehat 38888705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it; 38988705166ab82057090a070c6d4200c3d9db76f11San Mehat for (it = mActiveContainers->begin(); it != mActiveContainers->end(); ++it) { 39088705166ab82057090a070c6d4200c3d9db76f11San Mehat if (!strcmp(*it, id)) { 39188705166ab82057090a070c6d4200c3d9db76f11San Mehat free(*it); 39288705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->erase(it); 39388705166ab82057090a070c6d4200c3d9db76f11San Mehat break; 39488705166ab82057090a070c6d4200c3d9db76f11San Mehat } 39588705166ab82057090a070c6d4200c3d9db76f11San Mehat } 39688705166ab82057090a070c6d4200c3d9db76f11San Mehat if (it == mActiveContainers->end()) { 39788705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGW("mActiveContainers is inconsistent!"); 39888705166ab82057090a070c6d4200c3d9db76f11San Mehat } 399b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return 0; 400b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat} 401b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 4024ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::destroyAsec(const char *id, bool force) { 403b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char asecFileName[255]; 404b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char mountPoint[255]; 405b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 406b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat snprintf(asecFileName, sizeof(asecFileName), 407b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat "/sdcard/android_secure/%s.asec", id); 408b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 409b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 4100586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (isMountpointMounted(mountPoint)) { 41168f8ebdb24dfe1fe94de2c8fc11084ebfab9fa5dSan Mehat LOGD("Unmounting container before destroy"); 4124ba8948dc16463053e21cda5744f519a555080d0San Mehat if (unmountAsec(id, force)) { 4130586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat LOGE("Failed to unmount asec %s for destroy (%s)", id, strerror(errno)); 4140586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 4150586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 4160586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 417a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 4180586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unlink(asecFileName)) { 41968f8ebdb24dfe1fe94de2c8fc11084ebfab9fa5dSan Mehat LOGE("Failed to unlink asec '%s' (%s)", asecFileName, strerror(errno)); 4200586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 4210586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 422a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 423a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s destroyed", id); 424a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 425a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 426a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 427a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::mountAsec(const char *id, const char *key, int ownerUid) { 428a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 429a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 430a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 431a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 432a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 433a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 434a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 435a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (isMountpointMounted(mountPoint)) { 436a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC %s already mounted", id); 437a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EBUSY; 438a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 439a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 440a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 441a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 442a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 4438da6bcb006f4e4257cdd685e35e910a6334f6ceaSan Mehat if (Loop::create(asecFileName, loopDevice, sizeof(loopDevice))) { 444a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC loop device creation failed (%s)", strerror(errno)); 445a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 446a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 447b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("New loop device created at %s", loopDevice); 448b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 449b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("Found active loopback for %s at %s", asecFileName, loopDevice); 450b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 451b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 452b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 453b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 454b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 455b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Devmapper::lookupActive(id, dmDevice, sizeof(dmDevice))) { 456b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unsigned int nr_sec = 0; 457b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int fd; 458b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 459b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if ((fd = open(loopDevice, O_RDWR)) < 0) { 460b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to open loopdevice (%s)", strerror(errno)); 461b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 462b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 463b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 464b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 465b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (ioctl(fd, BLKGETSIZE, &nr_sec)) { 466b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to get loop size (%s)", strerror(errno)); 467b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 468b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat close(fd); 469b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 470b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 471b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat close(fd); 4728b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Devmapper::create(id, loopDevice, key, nr_sec, 473b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat dmDevice, sizeof(dmDevice))) { 474b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("ASEC device mapping failed (%s)", strerror(errno)); 475b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 476b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 477b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 478b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("New devmapper instance created at %s", dmDevice); 479b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 480b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("Found active devmapper for %s at %s", asecFileName, dmDevice); 481b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 482b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 483b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 484b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 485a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 486a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 487a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 488b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (errno != EEXIST) { 489b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Mountpoint creation failed (%s)", strerror(errno)); 490b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 491b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 492b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 493b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 494b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 495b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 496a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 497a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 498b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::doMount(dmDevice, mountPoint, true, false, ownerUid, 0, 499cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0222, false)) { 500cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0227, false)) { 501a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC mount failed (%s)", strerror(errno)); 502b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 503b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 504b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 505b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 506a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 507a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 508a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 50988705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->push_back(strdup(id)); 510a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s mounted", id); 511a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 512a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 513a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 51449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::mountVolume(const char *label) { 51549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 51649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 51749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 51849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 51949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 52049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 52149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 522a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->mountVol(); 523a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 524a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 525a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareAvailable(const char *method, bool *avail) { 526a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 527a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 528a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 529a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 530a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 531a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 532a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (mUsbMassStorageConnected) 533a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = true; 534a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat else 535a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = false; 536a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 537a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 538a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 539eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehatint VolumeManager::shareEnabled(const char *label, const char *method, bool *enabled) { 540eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat Volume *v = lookupVolume(label); 541eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 542eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (!v) { 543eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOENT; 544eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 545eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 546eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 547eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (strcmp(method, "ums")) { 548eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOSYS; 549eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 550eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 551eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 552eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (v->getState() != Volume::State_Shared) { 553eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat *enabled = false; 554b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat } else { 555b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat *enabled = true; 556eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 557eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return 0; 558eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat} 559eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 560a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::simulate(const char *cmd, const char *arg) { 561a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 562a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(cmd, "ums")) { 563a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(arg, "connect")) { 564a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(true); 565a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else if (!strcmp(arg, "disconnect")) { 566a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(false); 567a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 568a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 569a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 570a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 571a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 572a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 573a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 574a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 575a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 576a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 577a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 578a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareVolume(const char *label, const char *method) { 579a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 580a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 581a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 582a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 583a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 584a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 585a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 586a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat /* 587a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Eventually, we'll want to support additional share back-ends, 588a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * some of which may work while the media is mounted. For now, 589a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * we just support UMS 590a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 591a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 592a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 593a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 594a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 595a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 596a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 597a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 598a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 599a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 600a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 60149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Idle) { 602a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // You need to unmount manually befoe sharing 60349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 60449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 60549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 60649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 607a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 608a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if ((MAJOR(d) == 0) && (MINOR(d) == 0)) { 609a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // This volume does not support raw disk access 610a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 611a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 612a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 613a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 614a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 615a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 616a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 617a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 618a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 619a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 6200cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", 6210cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat O_WRONLY)) < 0) { 622a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 623a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 624a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 625a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 626a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, nodepath, strlen(nodepath)) < 0) { 627a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 628a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 629a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 630a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 631a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 632a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 633a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeShared(); 634a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 635a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 636a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 637a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::unshareVolume(const char *label, const char *method) { 638a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 639a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 640a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 641a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 642a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 643a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 644a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 645a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 646a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 647a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 648a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 649a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 650a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() != Volume::State_Shared) { 651a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 652a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 653a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 654a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 655a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 656a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 657a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 658a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 659a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 660a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 661a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 662a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 6630cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", O_WRONLY)) < 0) { 664a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 665a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 666a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 667a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 668a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char ch = 0; 669a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, &ch, 1) < 0) { 670a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 671a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 672a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 673a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 674a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 675a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 676a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeUnshared(); 677a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 67849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 67949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 6804ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::unmountVolume(const char *label, bool force) { 68149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 68249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 68349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 68449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 68549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 68649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 68749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 688a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 689a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 690a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 691a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 692a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 69349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Mounted) { 694a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGW("Attempt to unmount volume which isn't mounted (%d)\n", 695a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->getState()); 69649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 69749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 69849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 69949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 70088705166ab82057090a070c6d4200c3d9db76f11San Mehat while(mActiveContainers->size()) { 70188705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it = mActiveContainers->begin(); 70288705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGI("Unmounting ASEC %s (dependant on %s)", *it, v->getMountpoint()); 7034ba8948dc16463053e21cda5744f519a555080d0San Mehat if (unmountAsec(*it, force)) { 70488705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGE("Failed to unmount ASEC %s (%s) - unmount of %s may fail!", *it, 70588705166ab82057090a070c6d4200c3d9db76f11San Mehat strerror(errno), v->getMountpoint()); 70688705166ab82057090a070c6d4200c3d9db76f11San Mehat } 70788705166ab82057090a070c6d4200c3d9db76f11San Mehat } 70888705166ab82057090a070c6d4200c3d9db76f11San Mehat 7094ba8948dc16463053e21cda5744f519a555080d0San Mehat return v->unmountVol(force); 71049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 71149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 712a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat/* 713a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Looks up a volume by it's label or mount-point 714a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 71549e2bce5b74129c26a35e25d4693cbfe98c4688eSan MehatVolume *VolumeManager::lookupVolume(const char *label) { 71649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat VolumeCollection::iterator i; 71749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 71849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 719a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (label[0] == '/') { 720a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getMountpoint())) 721a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 722a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 723a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getLabel())) 724a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 725a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 72649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 72749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return NULL; 72849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 729a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 730a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatbool VolumeManager::isMountpointMounted(const char *mp) 731a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat{ 732a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char device[256]; 733a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mount_path[256]; 734a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char rest[256]; 735a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat FILE *fp; 736a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char line[1024]; 737a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 738a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!(fp = fopen("/proc/mounts", "r"))) { 739a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Error opening /proc/mounts (%s)", strerror(errno)); 740a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 741a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 742a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 743a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat while(fgets(line, sizeof(line), fp)) { 744a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat line[strlen(line)-1] = '\0'; 745a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat sscanf(line, "%255s %255s %255s\n", device, mount_path, rest); 746a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!strcmp(mount_path, mp)) { 747a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 748a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return true; 749a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 750a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 751a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 752a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 753a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 754a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 755a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 756a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 757