VolumeManager.cpp revision b9aed74b146beb7499ebc5775e8ae179d16900ef
1f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat/* 2f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Copyright (C) 2008 The Android Open Source Project 3f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 4f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Licensed under the Apache License, Version 2.0 (the "License"); 5f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * you may not use this file except in compliance with the License. 6f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * You may obtain a copy of the License at 7f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 8f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * http://www.apache.org/licenses/LICENSE-2.0 9f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 10f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Unless required by applicable law or agreed to in writing, software 11f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * distributed under the License is distributed on an "AS IS" BASIS, 12f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * See the License for the specific language governing permissions and 14f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * limitations under the License. 15f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat */ 16f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 17f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <stdio.h> 18fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat#include <stdlib.h> 19fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat#include <string.h> 20f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <errno.h> 21a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#include <fcntl.h> 22a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include <sys/stat.h> 23a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include <sys/types.h> 24a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include <sys/mount.h> 25a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 26a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#include <linux/kdev_t.h> 27f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 28f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#define LOG_TAG "Vold" 29f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 30f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <cutils/log.h> 31f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 32fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat#include <sysutils/NetlinkEvent.h> 33fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat 34f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include "VolumeManager.h" 35ae10b91044bf76b40b77d81c169e48e0bbdf6d75San Mehat#include "DirectVolume.h" 36a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#include "ResponseCode.h" 37a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include "Loop.h" 38a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include "Fat.h" 39b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat#include "Devmapper.h" 40f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 4123969931fad6e993832208f099f6eea0f6f76eb5San Mehatextern "C" void KillProcessesWithOpenFiles(const char *, int, int, int); 4223969931fad6e993832208f099f6eea0f6f76eb5San Mehat 43f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager *VolumeManager::sInstance = NULL; 44f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 45f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager *VolumeManager::Instance() { 46f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!sInstance) 47f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat sInstance = new VolumeManager(); 48f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return sInstance; 49f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 50f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 51f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager::VolumeManager() { 52f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mBlockDevices = new BlockDeviceCollection(); 53f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mVolumes = new VolumeCollection(); 5488705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers = new AsecIdCollection(); 55f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mBroadcaster = NULL; 56a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = false; 57f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 58f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 59f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager::~VolumeManager() { 60f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat delete mBlockDevices; 6188705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mVolumes; 6288705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mActiveContainers; 63f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 64f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 65f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::start() { 66f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 67f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 68f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 69f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::stop() { 70f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 71f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 72f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 73f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::addVolume(Volume *v) { 74f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mVolumes->push_back(v); 75f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 76f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 77f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 78a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatvoid VolumeManager::notifyUmsConnected(bool connected) { 79a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char msg[255]; 80a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 81a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (connected) { 82a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = true; 83a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 84a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = false; 85a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 86a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(msg, sizeof(msg), "Share method ums now %s", 87a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat (connected ? "available" : "unavailable")); 88a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 89a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat getBroadcaster()->sendBroadcast(ResponseCode::ShareAvailabilityChange, 90a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat msg, false); 91a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 92a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 93a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatvoid VolumeManager::handleSwitchEvent(NetlinkEvent *evt) { 940cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat const char *devpath = evt->findParam("DEVPATH"); 95a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat const char *name = evt->findParam("SWITCH_NAME"); 96a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat const char *state = evt->findParam("SWITCH_STATE"); 97a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 980cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if (!name || !state) { 990cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat LOGW("Switch %s event missing name/state info", devpath); 1000cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat return; 1010cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat } 1020cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat 103a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(name, "usb_mass_storage")) { 104a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 105a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(state, "online")) { 106a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(true); 107a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 108a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(false); 109a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 110a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 111a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGW("Ignoring unknown switch '%s'", name); 112a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 113a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 114a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 115fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehatvoid VolumeManager::handleBlockEvent(NetlinkEvent *evt) { 116fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat const char *devpath = evt->findParam("DEVPATH"); 117f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 118fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat /* Lookup a volume to handle this device */ 119f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator it; 120f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat bool hit = false; 121f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (it = mVolumes->begin(); it != mVolumes->end(); ++it) { 122fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat if (!(*it)->handleBlockEvent(evt)) { 123a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 124a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGD("Device '%s' event handled by volume %s\n", devpath, (*it)->getLabel()); 125a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 126f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat hit = true; 127f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat break; 128f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 129f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 130f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 131f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!hit) { 132a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 133fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat LOGW("No volumes handled block event for '%s'", devpath); 134a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 135f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 136f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 137f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 138f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::listVolumes(SocketClient *cli) { 139f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator i; 140f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 141f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 142f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *buffer; 143f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat asprintf(&buffer, "%s %s %d", 144f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getLabel(), (*i)->getMountpoint(), 145f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getState()); 146a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::VolumeListResult, buffer, false); 147f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat free(buffer); 148f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 149a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::CommandOkay, "Volumes listed.", false); 150f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 151f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 15249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 153a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::formatVolume(const char *label) { 154a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 155a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 156a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 157a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 158a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 159a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 160a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 161a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->formatVol(); 162a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 163a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 164a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::getAsecMountPath(const char *id, char *buffer, int maxlen) { 165a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 166a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 167a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 168a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(buffer, maxlen, "/asec/%s", id); 169a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 170a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 171a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1728b8f71b1d760411279f3b07a5c97709f052c689eSan Mehatint VolumeManager::createAsec(const char *id, unsigned int numSectors, 173a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat const char *fstype, const char *key, int ownerUid) { 174a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 175a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat mkdir("/sdcard/android_secure", 0777); 176a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 177a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (lookupVolume(id)) { 178a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC volume '%s' currently exists", id); 179a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 180a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 181a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 182a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 183a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 184a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 185a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 186a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 187a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!access(asecFileName, F_OK)) { 188a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC file '%s' currently exists - destroy it first! (%s)", 189a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat asecFileName, strerror(errno)); 190a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 191a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 192a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 193a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1948b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Loop::createImageFile(asecFileName, numSectors)) { 195a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC image file creation failed (%s)", strerror(errno)); 196a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 197a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 198a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 199a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 2008da6bcb006f4e4257cdd685e35e910a6334f6ceaSan Mehat if (Loop::create(asecFileName, loopDevice, sizeof(loopDevice))) { 201a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC loop device creation failed (%s)", strerror(errno)); 202a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 203a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 204a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 205a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 206b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 207b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 208a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 209b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 2108b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Devmapper::create(id, loopDevice, key, numSectors, dmDevice, 211b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat sizeof(dmDevice))) { 212b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("ASEC device mapping failed (%s)", strerror(errno)); 213b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 214b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unlink(asecFileName); 215b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 216b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 217b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 218b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 219b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 220b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 221b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 222b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::format(dmDevice)) { 223a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC FAT format failed (%s)", strerror(errno)); 224b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 225b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 226b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 227a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 228a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 229a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 230a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 231a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 232a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 233a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 234a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 235a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 236eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat if (errno != EEXIST) { 237eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat LOGE("Mountpoint creation failed (%s)", strerror(errno)); 238b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 239b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 240b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 241eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat Loop::destroyByDevice(loopDevice); 242eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat unlink(asecFileName); 243eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat return -1; 244eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat } 245a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 246a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 247b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::doMount(dmDevice, mountPoint, false, false, ownerUid, 248cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0, 0000, false)) { 249cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0, 0007, false)) { 250a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC FAT mount failed (%s)", strerror(errno)); 251b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 252b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 253b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 254a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 255a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 256a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 257a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 25888705166ab82057090a070c6d4200c3d9db76f11San Mehat 25988705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->push_back(strdup(id)); 260a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 261a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 262a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 263a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::finalizeAsec(const char *id) { 264a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 265a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 266a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 267a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 268a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 269a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 270a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 271a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 272a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Unable to finalize %s (%s)", id, strerror(errno)); 273a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 274a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 275a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 276a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 277fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat // XXX: 278fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat if (Fat::doMount(loopDevice, mountPoint, true, true, 0, 0, 0227, false)) { 279a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC finalize mount failed (%s)", strerror(errno)); 280a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 281a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 282a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 283a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s finalized", id); 284a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 285a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 286a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 287048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatint VolumeManager::renameAsec(const char *id1, const char *id2) { 288048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename1; 289048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename2; 290048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char mountPoint[255]; 291048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 292048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat asprintf(&asecFilename1, "/sdcard/android_secure/%s.asec", id1); 293048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat asprintf(&asecFilename2, "/sdcard/android_secure/%s.asec", id2); 294048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 295048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id1); 296048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (isMountpointMounted(mountPoint)) { 297048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat LOGW("Rename attempt when src mounted"); 298048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EBUSY; 299048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 300048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 301048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 302048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (!access(asecFilename2, F_OK)) { 303048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat LOGE("Rename attempt when dst exists"); 304048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EADDRINUSE; 305048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 306048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 307048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 308048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (rename(asecFilename1, asecFilename2)) { 309048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat LOGE("Rename of '%s' to '%s' failed (%s)", asecFilename1, asecFilename2, strerror(errno)); 310048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 311048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 312048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 313048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 314048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 315048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return 0; 316048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 317048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatout_err: 318048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 319048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 320048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return -1; 321048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat} 322048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 323b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehatint VolumeManager::unmountAsec(const char *id) { 324a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 325a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 326a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 327a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 328a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 329a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 330a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 3310586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (!isMountpointMounted(mountPoint)) { 332b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Unmount request for ASEC %s when not mounted", id); 333b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat errno = EINVAL; 334b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 335b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 33623969931fad6e993832208f099f6eea0f6f76eb5San Mehat 337b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int i, rc; 338b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat for (i = 0; i < 10; i++) { 339b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = umount(mountPoint); 340b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (!rc) { 341b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 342a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 343b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc && (errno == EINVAL || errno == ENOENT)) { 344b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = 0; 345b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 346a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 347b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGW("ASEC %s unmount attempt %d failed (%s)", 348b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat id, i +1, strerror(errno)); 349b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 350b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (i >= 5) { 351b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat KillProcessesWithOpenFiles(mountPoint, (i < 7 ? 0 : 1), 352b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat NULL, 0); 353b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 354b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat usleep(1000 * 250); 355b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 356b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 357b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc) { 358b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to unmount ASEC %s", id); 359b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 360b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 361b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 362f5c61980969a0b49bda37b5dc94ffe675ebd5a5aSan Mehat if (rmdir(mountPoint)) { 363f5c61980969a0b49bda37b5dc94ffe675ebd5a5aSan Mehat LOGE("Failed to rmdir mountpoint (%s)", strerror(errno)); 364f5c61980969a0b49bda37b5dc94ffe675ebd5a5aSan Mehat } 36588705166ab82057090a070c6d4200c3d9db76f11San Mehat 366b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Devmapper::destroy(id) && errno != ENXIO) { 367b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to destroy devmapper instance (%s)", strerror(errno)); 368a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 369a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 370a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 371a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 372a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 373a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 37488705166ab82057090a070c6d4200c3d9db76f11San Mehat 37588705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it; 37688705166ab82057090a070c6d4200c3d9db76f11San Mehat for (it = mActiveContainers->begin(); it != mActiveContainers->end(); ++it) { 37788705166ab82057090a070c6d4200c3d9db76f11San Mehat if (!strcmp(*it, id)) { 37888705166ab82057090a070c6d4200c3d9db76f11San Mehat free(*it); 37988705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->erase(it); 38088705166ab82057090a070c6d4200c3d9db76f11San Mehat break; 38188705166ab82057090a070c6d4200c3d9db76f11San Mehat } 38288705166ab82057090a070c6d4200c3d9db76f11San Mehat } 38388705166ab82057090a070c6d4200c3d9db76f11San Mehat if (it == mActiveContainers->end()) { 38488705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGW("mActiveContainers is inconsistent!"); 38588705166ab82057090a070c6d4200c3d9db76f11San Mehat } 386b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return 0; 387b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat} 388b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 389b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehatint VolumeManager::destroyAsec(const char *id) { 390b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char asecFileName[255]; 391b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char mountPoint[255]; 392b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 393b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat snprintf(asecFileName, sizeof(asecFileName), 394b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat "/sdcard/android_secure/%s.asec", id); 395b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 396b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 3970586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (isMountpointMounted(mountPoint)) { 39868f8ebdb24dfe1fe94de2c8fc11084ebfab9fa5dSan Mehat LOGD("Unmounting container before destroy"); 3990586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unmountAsec(id)) { 4000586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat LOGE("Failed to unmount asec %s for destroy (%s)", id, strerror(errno)); 4010586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 4020586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 4030586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 404a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 4050586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unlink(asecFileName)) { 40668f8ebdb24dfe1fe94de2c8fc11084ebfab9fa5dSan Mehat LOGE("Failed to unlink asec '%s' (%s)", asecFileName, strerror(errno)); 4070586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 4080586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 409a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 410a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s destroyed", id); 411a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 412a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 413a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 414a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::mountAsec(const char *id, const char *key, int ownerUid) { 415a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 416a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 417a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 418a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 419a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 420a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 421a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 422a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (isMountpointMounted(mountPoint)) { 423a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC %s already mounted", id); 424a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EBUSY; 425a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 426a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 427a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 428a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 429a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 4308da6bcb006f4e4257cdd685e35e910a6334f6ceaSan Mehat if (Loop::create(asecFileName, loopDevice, sizeof(loopDevice))) { 431a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC loop device creation failed (%s)", strerror(errno)); 432a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 433a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 434b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("New loop device created at %s", loopDevice); 435b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 436b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("Found active loopback for %s at %s", asecFileName, loopDevice); 437b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 438b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 439b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 440b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 441b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 442b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Devmapper::lookupActive(id, dmDevice, sizeof(dmDevice))) { 443b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unsigned int nr_sec = 0; 444b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int fd; 445b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 446b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if ((fd = open(loopDevice, O_RDWR)) < 0) { 447b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to open loopdevice (%s)", strerror(errno)); 448b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 449b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 450b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 451b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 452b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (ioctl(fd, BLKGETSIZE, &nr_sec)) { 453b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to get loop size (%s)", strerror(errno)); 454b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 455b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat close(fd); 456b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 457b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 458b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat close(fd); 4598b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Devmapper::create(id, loopDevice, key, nr_sec, 460b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat dmDevice, sizeof(dmDevice))) { 461b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("ASEC device mapping failed (%s)", strerror(errno)); 462b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 463b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 464b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 465b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("New devmapper instance created at %s", dmDevice); 466b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 467b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("Found active devmapper for %s at %s", asecFileName, dmDevice); 468b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 469b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 470b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 471b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 472a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 473a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 474a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 475b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (errno != EEXIST) { 476b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Mountpoint creation failed (%s)", strerror(errno)); 477b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 478b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 479b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 480b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 481b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 482b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 483a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 484a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 485b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::doMount(dmDevice, mountPoint, true, false, ownerUid, 0, 486cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0222, false)) { 487cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0227, false)) { 488a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC mount failed (%s)", strerror(errno)); 489b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 490b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 491b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 492b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 493a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 494a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 495a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 49688705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->push_back(strdup(id)); 497a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s mounted", id); 498a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 499a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 500a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 50149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::mountVolume(const char *label) { 50249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 50349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 50449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 50549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 50649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 50749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 50849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 509a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->mountVol(); 510a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 511a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 512a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareAvailable(const char *method, bool *avail) { 513a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 514a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 515a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 516a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 517a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 518a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 519a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (mUsbMassStorageConnected) 520a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = true; 521a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat else 522a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = false; 523a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 524a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 525a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 526eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehatint VolumeManager::shareEnabled(const char *label, const char *method, bool *enabled) { 527eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat Volume *v = lookupVolume(label); 528eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 529eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (!v) { 530eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOENT; 531eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 532eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 533eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 534eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (strcmp(method, "ums")) { 535eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOSYS; 536eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 537eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 538eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 539eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (v->getState() != Volume::State_Shared) { 540eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat *enabled = false; 541b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat } else { 542b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat *enabled = true; 543eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 544eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return 0; 545eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat} 546eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 547a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::simulate(const char *cmd, const char *arg) { 548a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 549a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(cmd, "ums")) { 550a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(arg, "connect")) { 551a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(true); 552a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else if (!strcmp(arg, "disconnect")) { 553a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(false); 554a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 555a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 556a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 557a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 558a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 559a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 560a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 561a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 562a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 563a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 564a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 565a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareVolume(const char *label, const char *method) { 566a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 567a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 568a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 569a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 570a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 571a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 572a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 573a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat /* 574a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Eventually, we'll want to support additional share back-ends, 575a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * some of which may work while the media is mounted. For now, 576a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * we just support UMS 577a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 578a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 579a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 580a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 581a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 582a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 583a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 584a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 585a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 586a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 587a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 58849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Idle) { 589a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // You need to unmount manually befoe sharing 59049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 59149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 59249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 59349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 594a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 595a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if ((MAJOR(d) == 0) && (MINOR(d) == 0)) { 596a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // This volume does not support raw disk access 597a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 598a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 599a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 600a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 601a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 602a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 603a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 604a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 605a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 606a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 6070cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", 6080cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat O_WRONLY)) < 0) { 609a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 610a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 611a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 612a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 613a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, nodepath, strlen(nodepath)) < 0) { 614a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 615a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 616a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 617a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 618a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 619a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 620a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeShared(); 621a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 622a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 623a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 624a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::unshareVolume(const char *label, const char *method) { 625a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 626a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 627a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 628a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 629a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 630a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 631a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 632a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 633a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 634a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 635a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 636a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 637a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() != Volume::State_Shared) { 638a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 639a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 640a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 641a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 642a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 643a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 644a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 645a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 646a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 647a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 648a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 649a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 6500cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", O_WRONLY)) < 0) { 651a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 652a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 653a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 654a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 655a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char ch = 0; 656a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, &ch, 1) < 0) { 657a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 658a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 659a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 660a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 661a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 662a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 663a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeUnshared(); 664a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 66549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 66649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 66749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::unmountVolume(const char *label) { 66849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 66949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 67049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 67149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 67249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 67349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 67449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 675a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 676a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 677a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 678a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 679a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 68049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Mounted) { 681a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGW("Attempt to unmount volume which isn't mounted (%d)\n", 682a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->getState()); 68349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 68449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 68549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 68649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 68788705166ab82057090a070c6d4200c3d9db76f11San Mehat while(mActiveContainers->size()) { 68888705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it = mActiveContainers->begin(); 68988705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGI("Unmounting ASEC %s (dependant on %s)", *it, v->getMountpoint()); 69088705166ab82057090a070c6d4200c3d9db76f11San Mehat if (unmountAsec(*it)) { 69188705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGE("Failed to unmount ASEC %s (%s) - unmount of %s may fail!", *it, 69288705166ab82057090a070c6d4200c3d9db76f11San Mehat strerror(errno), v->getMountpoint()); 69388705166ab82057090a070c6d4200c3d9db76f11San Mehat } 69488705166ab82057090a070c6d4200c3d9db76f11San Mehat } 69588705166ab82057090a070c6d4200c3d9db76f11San Mehat 696a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->unmountVol(); 69749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 69849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 699a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat/* 700a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Looks up a volume by it's label or mount-point 701a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 70249e2bce5b74129c26a35e25d4693cbfe98c4688eSan MehatVolume *VolumeManager::lookupVolume(const char *label) { 70349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat VolumeCollection::iterator i; 70449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 70549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 706a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (label[0] == '/') { 707a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getMountpoint())) 708a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 709a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 710a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getLabel())) 711a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 712a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 71349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 71449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return NULL; 71549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 716a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 717a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatbool VolumeManager::isMountpointMounted(const char *mp) 718a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat{ 719a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char device[256]; 720a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mount_path[256]; 721a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char rest[256]; 722a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat FILE *fp; 723a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char line[1024]; 724a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 725a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!(fp = fopen("/proc/mounts", "r"))) { 726a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Error opening /proc/mounts (%s)", strerror(errno)); 727a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 728a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 729a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 730a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat while(fgets(line, sizeof(line), fp)) { 731a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat line[strlen(line)-1] = '\0'; 732a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat sscanf(line, "%255s %255s %255s\n", device, mount_path, rest); 733a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!strcmp(mount_path, mp)) { 734a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 735a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return true; 736a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 737a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 738a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 739a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 740a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 741a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 742a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 743a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 744