VolumeManager.cpp revision 586536c60b773e3517531ad8a6cb0de6722c67fc
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 174a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat mkdir("/sdcard/android_secure", 0777); 175a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 176a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (lookupVolume(id)) { 177a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC volume '%s' currently exists", id); 178a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 179a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 180a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 181a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 182a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 183a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 184a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 185a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 186a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!access(asecFileName, F_OK)) { 187a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC file '%s' currently exists - destroy it first! (%s)", 188a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat asecFileName, strerror(errno)); 189a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 190a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 191a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 192a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1938b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Loop::createImageFile(asecFileName, numSectors)) { 194a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC image file creation failed (%s)", strerror(errno)); 195a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 196a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 197a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 198a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 1998da6bcb006f4e4257cdd685e35e910a6334f6ceaSan Mehat if (Loop::create(asecFileName, loopDevice, sizeof(loopDevice))) { 200a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC loop device creation failed (%s)", strerror(errno)); 201a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 202a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 203a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 204a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 205b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 206b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 207a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 208b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 2098b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Devmapper::create(id, loopDevice, key, numSectors, dmDevice, 210b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat sizeof(dmDevice))) { 211b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("ASEC device mapping failed (%s)", strerror(errno)); 212b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 213b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unlink(asecFileName); 214b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 215b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 216b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 217b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 218b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 219b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 220b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 221b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::format(dmDevice)) { 222a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC FAT format failed (%s)", strerror(errno)); 223b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 224b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 225b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 226a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 227a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 228a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 229a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 230a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 231a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 232a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 233a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 234a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 235eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat if (errno != EEXIST) { 236eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat LOGE("Mountpoint creation failed (%s)", strerror(errno)); 237b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 238b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 239b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 240eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat Loop::destroyByDevice(loopDevice); 241eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat unlink(asecFileName); 242eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat return -1; 243eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat } 244a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 245a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 246b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::doMount(dmDevice, mountPoint, false, false, ownerUid, 247cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0, 0000, false)) { 248cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0, 0007, false)) { 249a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC FAT mount failed (%s)", strerror(errno)); 250b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 251b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 252b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 253a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 254a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 255a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 256a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 25788705166ab82057090a070c6d4200c3d9db76f11San Mehat 25888705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->push_back(strdup(id)); 259a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 260a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 261a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 262a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::finalizeAsec(const char *id) { 263a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 264a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 265a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 266a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 267a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 268a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 269a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 270a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 271a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Unable to finalize %s (%s)", id, strerror(errno)); 272a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 273a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 274a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 275a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 276fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat // XXX: 277fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat if (Fat::doMount(loopDevice, mountPoint, true, true, 0, 0, 0227, false)) { 278a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC finalize mount failed (%s)", strerror(errno)); 279a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 280a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 281a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 282a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s finalized", id); 283a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 284a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 285a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 286048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatint VolumeManager::renameAsec(const char *id1, const char *id2) { 287048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename1; 288048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename2; 289048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char mountPoint[255]; 290048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 291048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat asprintf(&asecFilename1, "/sdcard/android_secure/%s.asec", id1); 292048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat asprintf(&asecFilename2, "/sdcard/android_secure/%s.asec", id2); 293048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 294048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id1); 295048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (isMountpointMounted(mountPoint)) { 296048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat LOGW("Rename attempt when src mounted"); 297048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EBUSY; 298048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 299048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 300048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 301048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (!access(asecFilename2, F_OK)) { 302048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat LOGE("Rename attempt when dst exists"); 303048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EADDRINUSE; 304048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 305048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 306048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 307048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (rename(asecFilename1, asecFilename2)) { 308048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat LOGE("Rename of '%s' to '%s' failed (%s)", asecFilename1, asecFilename2, strerror(errno)); 309048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 310048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 311048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 312048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 313048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 314048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return 0; 315048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 316048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatout_err: 317048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 318048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 319048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return -1; 320048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat} 321048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 3228c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat#define ASEC_UNMOUNT_RETRIES 10 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; 3388c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat for (i = 1; i <= ASEC_UNMOUNT_RETRIES; 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)", 3488c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat id, i, strerror(errno)); 3498c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 3508c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat int action; 3518c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat if (i > (ASEC_UNMOUNT_RETRIES - 2)) 3528c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat action = 2; // SIGKILL 3538c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat else if (i > (ASEC_UNMOUNT_RETRIES - 3)) 3548c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat action = 1; // SIGHUP 3558c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat else 3568c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat action = 0; // Just complain 3578c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 358586536c60b773e3517531ad8a6cb0de6722c67fcSan Mehat Process::killProcessesWithOpenFiles(mountPoint, action); 3598c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat usleep(1000 * 1000); 360b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 361b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 362b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc) { 363b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to unmount ASEC %s", id); 364b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 365b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 366b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 367f5c61980969a0b49bda37b5dc94ffe675ebd5a5aSan Mehat if (rmdir(mountPoint)) { 368f5c61980969a0b49bda37b5dc94ffe675ebd5a5aSan Mehat LOGE("Failed to rmdir mountpoint (%s)", strerror(errno)); 369f5c61980969a0b49bda37b5dc94ffe675ebd5a5aSan Mehat } 37088705166ab82057090a070c6d4200c3d9db76f11San Mehat 371b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Devmapper::destroy(id) && errno != ENXIO) { 372b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to destroy devmapper instance (%s)", strerror(errno)); 373a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 374a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 375a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 376a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 377a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 378a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 37988705166ab82057090a070c6d4200c3d9db76f11San Mehat 38088705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it; 38188705166ab82057090a070c6d4200c3d9db76f11San Mehat for (it = mActiveContainers->begin(); it != mActiveContainers->end(); ++it) { 38288705166ab82057090a070c6d4200c3d9db76f11San Mehat if (!strcmp(*it, id)) { 38388705166ab82057090a070c6d4200c3d9db76f11San Mehat free(*it); 38488705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->erase(it); 38588705166ab82057090a070c6d4200c3d9db76f11San Mehat break; 38688705166ab82057090a070c6d4200c3d9db76f11San Mehat } 38788705166ab82057090a070c6d4200c3d9db76f11San Mehat } 38888705166ab82057090a070c6d4200c3d9db76f11San Mehat if (it == mActiveContainers->end()) { 38988705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGW("mActiveContainers is inconsistent!"); 39088705166ab82057090a070c6d4200c3d9db76f11San Mehat } 391b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return 0; 392b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat} 393b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 394b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehatint VolumeManager::destroyAsec(const char *id) { 395b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char asecFileName[255]; 396b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char mountPoint[255]; 397b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 398b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat snprintf(asecFileName, sizeof(asecFileName), 399b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat "/sdcard/android_secure/%s.asec", id); 400b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 401b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 4020586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (isMountpointMounted(mountPoint)) { 40368f8ebdb24dfe1fe94de2c8fc11084ebfab9fa5dSan Mehat LOGD("Unmounting container before destroy"); 4040586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unmountAsec(id)) { 4050586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat LOGE("Failed to unmount asec %s for destroy (%s)", id, strerror(errno)); 4060586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 4070586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 4080586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 409a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 4100586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unlink(asecFileName)) { 41168f8ebdb24dfe1fe94de2c8fc11084ebfab9fa5dSan Mehat LOGE("Failed to unlink asec '%s' (%s)", asecFileName, strerror(errno)); 4120586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 4130586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 414a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 415a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s destroyed", id); 416a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 417a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 418a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 419a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::mountAsec(const char *id, const char *key, int ownerUid) { 420a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 421a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 422a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 423a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(asecFileName, sizeof(asecFileName), 424a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat "/sdcard/android_secure/%s.asec", id); 425a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat snprintf(mountPoint, sizeof(mountPoint), "/asec/%s", id); 426a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 427a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (isMountpointMounted(mountPoint)) { 428a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC %s already mounted", id); 429a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EBUSY; 430a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 431a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 432a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 433a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 434a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (Loop::lookupActive(asecFileName, loopDevice, sizeof(loopDevice))) { 4358da6bcb006f4e4257cdd685e35e910a6334f6ceaSan Mehat if (Loop::create(asecFileName, loopDevice, sizeof(loopDevice))) { 436a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC loop device creation failed (%s)", strerror(errno)); 437a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 438a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 439b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("New loop device created at %s", loopDevice); 440b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 441b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("Found active loopback for %s at %s", asecFileName, loopDevice); 442b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 443b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 444b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 445b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 446b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 447b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Devmapper::lookupActive(id, dmDevice, sizeof(dmDevice))) { 448b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unsigned int nr_sec = 0; 449b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int fd; 450b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 451b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if ((fd = open(loopDevice, O_RDWR)) < 0) { 452b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to open loopdevice (%s)", strerror(errno)); 453b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 454b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 455b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 456b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 457b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (ioctl(fd, BLKGETSIZE, &nr_sec)) { 458b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to get loop size (%s)", strerror(errno)); 459b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 460b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat close(fd); 461b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 462b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 463b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat close(fd); 4648b8f71b1d760411279f3b07a5c97709f052c689eSan Mehat if (Devmapper::create(id, loopDevice, key, nr_sec, 465b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat dmDevice, sizeof(dmDevice))) { 466b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("ASEC device mapping failed (%s)", strerror(errno)); 467b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 468b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 469b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 470b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("New devmapper instance created at %s", dmDevice); 471b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 472b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGD("Found active devmapper for %s at %s", asecFileName, dmDevice); 473b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 474b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 475b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 476b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 477a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 478a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 479a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 480b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (errno != EEXIST) { 481b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Mountpoint creation failed (%s)", strerror(errno)); 482b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 483b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 484b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 485b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 486b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 487b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 488a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 489a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 490b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::doMount(dmDevice, mountPoint, true, false, ownerUid, 0, 491cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0222, false)) { 492cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0227, false)) { 493a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC mount failed (%s)", strerror(errno)); 494b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 495b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Devmapper::destroy(id); 496b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 497b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 498a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 499a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 500a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 50188705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->push_back(strdup(id)); 502a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGD("ASEC %s mounted", id); 503a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 504a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 505a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 50649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::mountVolume(const char *label) { 50749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 50849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 50949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 51049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 51149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 51249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 51349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 514a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->mountVol(); 515a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 516a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 517a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareAvailable(const char *method, bool *avail) { 518a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 519a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 520a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 521a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 522a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 523a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 524a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (mUsbMassStorageConnected) 525a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = true; 526a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat else 527a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = false; 528a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 529a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 530a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 531eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehatint VolumeManager::shareEnabled(const char *label, const char *method, bool *enabled) { 532eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat Volume *v = lookupVolume(label); 533eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 534eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (!v) { 535eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOENT; 536eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 537eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 538eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 539eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (strcmp(method, "ums")) { 540eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOSYS; 541eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 542eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 543eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 544eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (v->getState() != Volume::State_Shared) { 545eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat *enabled = false; 546b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat } else { 547b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat *enabled = true; 548eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 549eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return 0; 550eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat} 551eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 552a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::simulate(const char *cmd, const char *arg) { 553a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 554a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(cmd, "ums")) { 555a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(arg, "connect")) { 556a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(true); 557a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else if (!strcmp(arg, "disconnect")) { 558a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(false); 559a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 560a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 561a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 562a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 563a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 564a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 565a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 566a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 567a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 568a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 569a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 570a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareVolume(const char *label, const char *method) { 571a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 572a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 573a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 574a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 575a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 576a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 577a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 578a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat /* 579a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Eventually, we'll want to support additional share back-ends, 580a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * some of which may work while the media is mounted. For now, 581a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * we just support UMS 582a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 583a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 584a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 585a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 586a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 587a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 588a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 589a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 590a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 591a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 592a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 59349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Idle) { 594a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // You need to unmount manually befoe sharing 59549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 59649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 59749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 59849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 599a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 600a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if ((MAJOR(d) == 0) && (MINOR(d) == 0)) { 601a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // This volume does not support raw disk access 602a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 603a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 604a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 605a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 606a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 607a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 608a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 609a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 610a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 611a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 6120cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", 6130cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat O_WRONLY)) < 0) { 614a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 615a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 616a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 617a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 618a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, nodepath, strlen(nodepath)) < 0) { 619a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 620a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 621a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 622a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 623a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 624a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 625a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeShared(); 626a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 627a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 628a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 629a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::unshareVolume(const char *label, const char *method) { 630a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 631a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 632a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 633a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 634a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 635a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 636a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 637a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 638a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 639a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 640a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 641a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 642a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() != Volume::State_Shared) { 643a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 644a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 645a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 646a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 647a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 648a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 649a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 650a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 651a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 652a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 653a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 654a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 6550cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", O_WRONLY)) < 0) { 656a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 657a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 658a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 659a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 660a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char ch = 0; 661a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, &ch, 1) < 0) { 662a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 663a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 664a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 665a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 666a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 667a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 668a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeUnshared(); 669a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 67049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 67149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 67249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::unmountVolume(const char *label) { 67349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 67449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 67549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 67649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 67749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 67849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 67949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 680a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 681a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 682a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 683a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 684a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 68549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Mounted) { 686a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGW("Attempt to unmount volume which isn't mounted (%d)\n", 687a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->getState()); 68849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 68949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 69049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 69149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 69288705166ab82057090a070c6d4200c3d9db76f11San Mehat while(mActiveContainers->size()) { 69388705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it = mActiveContainers->begin(); 69488705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGI("Unmounting ASEC %s (dependant on %s)", *it, v->getMountpoint()); 69588705166ab82057090a070c6d4200c3d9db76f11San Mehat if (unmountAsec(*it)) { 69688705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGE("Failed to unmount ASEC %s (%s) - unmount of %s may fail!", *it, 69788705166ab82057090a070c6d4200c3d9db76f11San Mehat strerror(errno), v->getMountpoint()); 69888705166ab82057090a070c6d4200c3d9db76f11San Mehat } 69988705166ab82057090a070c6d4200c3d9db76f11San Mehat } 70088705166ab82057090a070c6d4200c3d9db76f11San Mehat 701a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->unmountVol(); 70249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 70349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 704a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat/* 705a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Looks up a volume by it's label or mount-point 706a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 70749e2bce5b74129c26a35e25d4693cbfe98c4688eSan MehatVolume *VolumeManager::lookupVolume(const char *label) { 70849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat VolumeCollection::iterator i; 70949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 71049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 711a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (label[0] == '/') { 712a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getMountpoint())) 713a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 714a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 715a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getLabel())) 716a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 717a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 71849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 71949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return NULL; 72049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 721a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 722a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatbool VolumeManager::isMountpointMounted(const char *mp) 723a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat{ 724a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char device[256]; 725a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mount_path[256]; 726a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char rest[256]; 727a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat FILE *fp; 728a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char line[1024]; 729a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 730a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!(fp = fopen("/proc/mounts", "r"))) { 731a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Error opening /proc/mounts (%s)", strerror(errno)); 732a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 733a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 734a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 735a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat while(fgets(line, sizeof(line), fp)) { 736a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat line[strlen(line)-1] = '\0'; 737a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat sscanf(line, "%255s %255s %255s\n", device, mount_path, rest); 738a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!strcmp(mount_path, mp)) { 739a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 740a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return true; 741a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 742a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 743a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 744a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 745a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 746a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 747a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 748a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 749