VolumeManager.cpp revision 88ac2c06539485942bf414efda2d39647fa1a415
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 307b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root#include <openssl/md5.h> 317b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root 32f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <cutils/log.h> 33f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 34fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat#include <sysutils/NetlinkEvent.h> 35fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat 36f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include "VolumeManager.h" 37ae10b91044bf76b40b77d81c169e48e0bbdf6d75San Mehat#include "DirectVolume.h" 38a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#include "ResponseCode.h" 39a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include "Loop.h" 40a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include "Fat.h" 41b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat#include "Devmapper.h" 42586536c60b773e3517531ad8a6cb0de6722c67fcSan Mehat#include "Process.h" 43fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat#include "Asec.h" 4423969931fad6e993832208f099f6eea0f6f76eb5San Mehat 45f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager *VolumeManager::sInstance = NULL; 46f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 47f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager *VolumeManager::Instance() { 48f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!sInstance) 49f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat sInstance = new VolumeManager(); 50f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return sInstance; 51f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 52f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 53f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager::VolumeManager() { 54d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat mDebug = false; 55f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mVolumes = new VolumeCollection(); 5688705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers = new AsecIdCollection(); 57f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mBroadcaster = NULL; 58a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = false; 59f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 60f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 61f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager::~VolumeManager() { 6288705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mVolumes; 6388705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mActiveContainers; 64f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 65f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 667b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root#define MD5_ASCII_LENGTH ((MD5_DIGEST_LENGTH*2)+1) 677b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root 68d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehatchar *VolumeManager::asecHash(const char *id, char *buffer, size_t len) { 697b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root unsigned char sig[MD5_DIGEST_LENGTH]; 70d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 717b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root if (len < MD5_ASCII_LENGTH) { 727b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root LOGE("Target hash buffer size < %d bytes (%d)", MD5_ASCII_LENGTH, len); 73d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat errno = ESPIPE; 74d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return NULL; 75d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 767b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root 777b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root MD5(reinterpret_cast<const unsigned char*>(id), strlen(id), sig); 78d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 79d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat memset(buffer, 0, len); 80d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 817b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root for (int i = 0; i < MD5_DIGEST_LENGTH; i++) { 82d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char tmp[3]; 83d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat snprintf(tmp, 3, "%.02x", sig[i]); 84d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat strcat(buffer, tmp); 85d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 86d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 87d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return buffer; 88d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat} 89d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 90d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehatvoid VolumeManager::setDebug(bool enable) { 91d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat mDebug = enable; 92d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat VolumeCollection::iterator it; 93d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat for (it = mVolumes->begin(); it != mVolumes->end(); ++it) { 94d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat (*it)->setDebug(enable); 95d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 96d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat} 97d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 98f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::start() { 99f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 100f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 101f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 102f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::stop() { 103f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 104f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 105f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 106f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::addVolume(Volume *v) { 107f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mVolumes->push_back(v); 108f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 109f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 110f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 111a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatvoid VolumeManager::notifyUmsConnected(bool connected) { 112a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char msg[255]; 113a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 114a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (connected) { 115a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = true; 116a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 117a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = false; 118a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 119a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(msg, sizeof(msg), "Share method ums now %s", 120a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat (connected ? "available" : "unavailable")); 121a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 122a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat getBroadcaster()->sendBroadcast(ResponseCode::ShareAvailabilityChange, 123a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat msg, false); 124a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 125a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 126a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatvoid VolumeManager::handleSwitchEvent(NetlinkEvent *evt) { 1270cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat const char *devpath = evt->findParam("DEVPATH"); 128a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat const char *name = evt->findParam("SWITCH_NAME"); 129a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat const char *state = evt->findParam("SWITCH_STATE"); 130a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1310cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if (!name || !state) { 1320cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat LOGW("Switch %s event missing name/state info", devpath); 1330cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat return; 1340cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat } 1350cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat 136a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(name, "usb_mass_storage")) { 137a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 138a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(state, "online")) { 139a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(true); 140a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 141a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(false); 142a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 143a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 144a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGW("Ignoring unknown switch '%s'", name); 145a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 146a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 147a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 148fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehatvoid VolumeManager::handleBlockEvent(NetlinkEvent *evt) { 149fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat const char *devpath = evt->findParam("DEVPATH"); 150f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 151fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat /* Lookup a volume to handle this device */ 152f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator it; 153f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat bool hit = false; 154f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (it = mVolumes->begin(); it != mVolumes->end(); ++it) { 155fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat if (!(*it)->handleBlockEvent(evt)) { 156a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 157a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGD("Device '%s' event handled by volume %s\n", devpath, (*it)->getLabel()); 158a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 159f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat hit = true; 160f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat break; 161f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 162f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 163f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 164f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!hit) { 165a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 166fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat LOGW("No volumes handled block event for '%s'", devpath); 167a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 168f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 169f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 170f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 171f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::listVolumes(SocketClient *cli) { 172f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator i; 173f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 174f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 175f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *buffer; 176f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat asprintf(&buffer, "%s %s %d", 177f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getLabel(), (*i)->getMountpoint(), 178f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getState()); 179a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::VolumeListResult, buffer, false); 180f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat free(buffer); 181f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 182a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::CommandOkay, "Volumes listed.", false); 183f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 184f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 18549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 186a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::formatVolume(const char *label) { 187a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 188a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 189a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 190a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 191a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 192a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 193a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 194a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->formatVol(); 195a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 196a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 197a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::getAsecMountPath(const char *id, char *buffer, int maxlen) { 19888ac2c06539485942bf414efda2d39647fa1a415San Mehat char asecFileName[255]; 19988ac2c06539485942bf414efda2d39647fa1a415San Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 20088ac2c06539485942bf414efda2d39647fa1a415San Mehat 20188ac2c06539485942bf414efda2d39647fa1a415San Mehat memset(buffer, 0, maxlen); 20288ac2c06539485942bf414efda2d39647fa1a415San Mehat if (access(asecFileName, F_OK)) { 20388ac2c06539485942bf414efda2d39647fa1a415San Mehat errno = ENOENT; 20488ac2c06539485942bf414efda2d39647fa1a415San Mehat return -1; 20588ac2c06539485942bf414efda2d39647fa1a415San Mehat } 206a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 2073bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(buffer, maxlen, "%s/%s", Volume::ASECDIR, id); 208a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 209a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 210a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 2118b8f71b1d760411279f3b07a5c97709f052c689eSan Mehatint VolumeManager::createAsec(const char *id, unsigned int numSectors, 212a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat const char *fstype, const char *key, int ownerUid) { 213fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat struct asec_superblock sb; 214fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat memset(&sb, 0, sizeof(sb)); 215fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 216fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.magic = ASEC_SB_MAGIC; 217fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.ver = ASEC_SB_VER; 218a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 219d31e380bd9689dd9629b510ffe324707e261b439San Mehat if (numSectors < ((1024*1024)/512)) { 220d31e380bd9689dd9629b510ffe324707e261b439San Mehat LOGE("Invalid container size specified (%d sectors)", numSectors); 221d31e380bd9689dd9629b510ffe324707e261b439San Mehat errno = EINVAL; 222d31e380bd9689dd9629b510ffe324707e261b439San Mehat return -1; 223d31e380bd9689dd9629b510ffe324707e261b439San Mehat } 224d31e380bd9689dd9629b510ffe324707e261b439San Mehat 225a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (lookupVolume(id)) { 2263bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat LOGE("ASEC id '%s' currently exists", id); 227a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 228a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 229a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 230a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 231a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 2323bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 233a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 234a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!access(asecFileName, F_OK)) { 235a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC file '%s' currently exists - destroy it first! (%s)", 236a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat asecFileName, strerror(errno)); 237a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 238a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 239a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 240a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 241fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat /* 242fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat * Add some headroom 243fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat */ 244fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unsigned fatSize = (((numSectors * 4) / 512) + 1) * 2; 245fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unsigned numImgSectors = numSectors + fatSize + 2; 246fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 247fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (numImgSectors % 63) { 248fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat numImgSectors += (63 - (numImgSectors % 63)); 249fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 250fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 251fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat // Add +1 for our superblock which is at the end 252fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (Loop::createImageFile(asecFileName, numImgSectors + 1)) { 253a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC image file creation failed (%s)", strerror(errno)); 254a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 255a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 256a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 257d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 258d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 259d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat LOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 260d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat unlink(asecFileName); 261d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 262d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 263d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 264a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 265d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::create(idHash, asecFileName, loopDevice, sizeof(loopDevice))) { 266a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC loop device creation failed (%s)", strerror(errno)); 267a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 268a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 269a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 270a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 271b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 272b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 273a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 274b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 275fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat // XXX: This is all we support for now 276fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.c_cipher = ASEC_SB_C_CIPHER_TWOFISH; 277d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::create(idHash, loopDevice, key, numImgSectors, dmDevice, 278b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat sizeof(dmDevice))) { 279b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("ASEC device mapping failed (%s)", strerror(errno)); 280b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 281b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unlink(asecFileName); 282b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 283b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 284b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 285b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 286fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.c_cipher = ASEC_SB_C_CIPHER_NONE; 287b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 288b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 289b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 290fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat /* 291fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat * Drop down the superblock at the end of the file 292fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat */ 293fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 294fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat int sbfd = open(loopDevice, O_RDWR); 295fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (sbfd < 0) { 296fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat LOGE("Failed to open new DM device for superblock write (%s)", strerror(errno)); 297fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (cleanupDm) { 298d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 299fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 300fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 301fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unlink(asecFileName); 302fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 303fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 304fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 305fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (lseek(sbfd, (numImgSectors * 512), SEEK_SET) < 0) { 306fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(sbfd); 307fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat LOGE("Failed to lseek for superblock (%s)", strerror(errno)); 308fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (cleanupDm) { 309d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 310fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 311fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 312fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unlink(asecFileName); 313fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 314fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 315fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 316fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (write(sbfd, &sb, sizeof(sb)) != sizeof(sb)) { 317fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(sbfd); 318fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat LOGE("Failed to write superblock (%s)", strerror(errno)); 319fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (cleanupDm) { 320d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 321fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 322fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 323fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unlink(asecFileName); 324fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 325fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 326fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(sbfd); 327fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 328a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (strcmp(fstype, "none")) { 329a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (strcmp(fstype, "fat")) { 330a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat LOGW("Unknown fstype '%s' specified for container", fstype); 331b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 332a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 333fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (Fat::format(dmDevice, numImgSectors)) { 334a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat LOGE("ASEC FAT format failed (%s)", strerror(errno)); 335b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 336d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 337b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 338eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat Loop::destroyByDevice(loopDevice); 339eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat unlink(asecFileName); 340eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat return -1; 341eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat } 342a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat char mountPoint[255]; 343a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat 344a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 345a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (mkdir(mountPoint, 0777)) { 346a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (errno != EEXIST) { 347a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat LOGE("Mountpoint creation failed (%s)", strerror(errno)); 348a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (cleanupDm) { 349d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 350a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 351a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat Loop::destroyByDevice(loopDevice); 352a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat unlink(asecFileName); 353a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat return -1; 354a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 355a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 356a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 357a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (Fat::doMount(dmDevice, mountPoint, false, false, ownerUid, 358a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat 0, 0000, false)) { 359a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat LOGE("ASEC FAT mount failed (%s)", strerror(errno)); 360a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (cleanupDm) { 361d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 362a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 363a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat Loop::destroyByDevice(loopDevice); 364a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat unlink(asecFileName); 365a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat return -1; 366b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 367a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } else { 368a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat LOGI("Created raw secure container %s (no filesystem)", id); 369a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 37088705166ab82057090a070c6d4200c3d9db76f11San Mehat 37188705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->push_back(strdup(id)); 372a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 373a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 374a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 375a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::finalizeAsec(const char *id) { 376a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 377a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 378a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 379a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 3803bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 381a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 382d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 383d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 384d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat LOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 385d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 386d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 387d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 388d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 389a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Unable to finalize %s (%s)", id, strerror(errno)); 390a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 391a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 392a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 3933bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 394fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat // XXX: 395fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat if (Fat::doMount(loopDevice, mountPoint, true, true, 0, 0, 0227, false)) { 396a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC finalize mount failed (%s)", strerror(errno)); 397a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 398a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 399a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 400d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 401d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat LOGD("ASEC %s finalized", id); 402d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 403a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 404a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 405a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 406048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatint VolumeManager::renameAsec(const char *id1, const char *id2) { 407048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename1; 408048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename2; 409048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char mountPoint[255]; 410048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 4113bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat asprintf(&asecFilename1, "%s/%s.asec", Volume::SEC_ASECDIR, id1); 4123bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat asprintf(&asecFilename2, "%s/%s.asec", Volume::SEC_ASECDIR, id2); 413048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 4143bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id1); 415048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (isMountpointMounted(mountPoint)) { 416048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat LOGW("Rename attempt when src mounted"); 417048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EBUSY; 418048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 419048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 420048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 42196956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id2); 42296956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat if (isMountpointMounted(mountPoint)) { 42396956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat LOGW("Rename attempt when dst mounted"); 42496956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat errno = EBUSY; 42596956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat goto out_err; 42696956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat } 42796956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat 428048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (!access(asecFilename2, F_OK)) { 429048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat LOGE("Rename attempt when dst exists"); 430048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EADDRINUSE; 431048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 432048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 433048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 434048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (rename(asecFilename1, asecFilename2)) { 435048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat LOGE("Rename of '%s' to '%s' failed (%s)", asecFilename1, asecFilename2, strerror(errno)); 436048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 437048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 438048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 439048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 440048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 441048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return 0; 442048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 443048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatout_err: 444048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 445048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 446048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return -1; 447048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat} 448048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 4494ba8948dc16463053e21cda5744f519a555080d0San Mehat#define ASEC_UNMOUNT_RETRIES 5 4504ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::unmountAsec(const char *id, bool force) { 451a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 452a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 453a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 4543bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 4553bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 456a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 457d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 458d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 459d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat LOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 460d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 461d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 462d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 4630586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (!isMountpointMounted(mountPoint)) { 464b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Unmount request for ASEC %s when not mounted", id); 465b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat errno = EINVAL; 466b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 467b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 46823969931fad6e993832208f099f6eea0f6f76eb5San Mehat 469b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int i, rc; 4708c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat for (i = 1; i <= ASEC_UNMOUNT_RETRIES; i++) { 471b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = umount(mountPoint); 472b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (!rc) { 473b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 474a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 475b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc && (errno == EINVAL || errno == ENOENT)) { 47612f4b89046b54de1bdc188b7057ba77d7566e573San Mehat LOGI("Secure container %s unmounted OK", id); 477b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = 0; 478b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 479a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 480b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGW("ASEC %s unmount attempt %d failed (%s)", 4818c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat id, i, strerror(errno)); 4828c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 4834ba8948dc16463053e21cda5744f519a555080d0San Mehat int action = 0; // default is to just complain 4844ba8948dc16463053e21cda5744f519a555080d0San Mehat 4854ba8948dc16463053e21cda5744f519a555080d0San Mehat if (force) { 4864ba8948dc16463053e21cda5744f519a555080d0San Mehat if (i > (ASEC_UNMOUNT_RETRIES - 2)) 4874ba8948dc16463053e21cda5744f519a555080d0San Mehat action = 2; // SIGKILL 4884ba8948dc16463053e21cda5744f519a555080d0San Mehat else if (i > (ASEC_UNMOUNT_RETRIES - 3)) 4894ba8948dc16463053e21cda5744f519a555080d0San Mehat action = 1; // SIGHUP 4904ba8948dc16463053e21cda5744f519a555080d0San Mehat } 4918c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 492586536c60b773e3517531ad8a6cb0de6722c67fcSan Mehat Process::killProcessesWithOpenFiles(mountPoint, action); 4938c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat usleep(1000 * 1000); 494b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 495b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 496b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc) { 4974ba8948dc16463053e21cda5744f519a555080d0San Mehat errno = EBUSY; 4984ba8948dc16463053e21cda5744f519a555080d0San Mehat LOGE("Failed to unmount container %s (%s)", id, strerror(errno)); 499b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 500b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 501b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 50212f4b89046b54de1bdc188b7057ba77d7566e573San Mehat int retries = 10; 50312f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 50412f4b89046b54de1bdc188b7057ba77d7566e573San Mehat while(retries--) { 50512f4b89046b54de1bdc188b7057ba77d7566e573San Mehat if (!rmdir(mountPoint)) { 50612f4b89046b54de1bdc188b7057ba77d7566e573San Mehat break; 50712f4b89046b54de1bdc188b7057ba77d7566e573San Mehat } 50812f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 50912f4b89046b54de1bdc188b7057ba77d7566e573San Mehat LOGW("Failed to rmdir %s (%s)", mountPoint, strerror(errno)); 51012f4b89046b54de1bdc188b7057ba77d7566e573San Mehat usleep(1000 * 1000); 51112f4b89046b54de1bdc188b7057ba77d7566e573San Mehat } 51212f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 51312f4b89046b54de1bdc188b7057ba77d7566e573San Mehat if (!retries) { 51412f4b89046b54de1bdc188b7057ba77d7566e573San Mehat LOGE("Timed out trying to rmdir %s (%s)", mountPoint, strerror(errno)); 515f5c61980969a0b49bda37b5dc94ffe675ebd5a5aSan Mehat } 51688705166ab82057090a070c6d4200c3d9db76f11San Mehat 517d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::destroy(idHash) && errno != ENXIO) { 518b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Failed to destroy devmapper instance (%s)", strerror(errno)); 519a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 520a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 521a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 522d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 523a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 524d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } else { 525d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat LOGW("Failed to find loop device for {%s} (%s)", asecFileName, strerror(errno)); 526a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 52788705166ab82057090a070c6d4200c3d9db76f11San Mehat 52888705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it; 52988705166ab82057090a070c6d4200c3d9db76f11San Mehat for (it = mActiveContainers->begin(); it != mActiveContainers->end(); ++it) { 53088705166ab82057090a070c6d4200c3d9db76f11San Mehat if (!strcmp(*it, id)) { 53188705166ab82057090a070c6d4200c3d9db76f11San Mehat free(*it); 53288705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->erase(it); 53388705166ab82057090a070c6d4200c3d9db76f11San Mehat break; 53488705166ab82057090a070c6d4200c3d9db76f11San Mehat } 53588705166ab82057090a070c6d4200c3d9db76f11San Mehat } 53688705166ab82057090a070c6d4200c3d9db76f11San Mehat if (it == mActiveContainers->end()) { 53788705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGW("mActiveContainers is inconsistent!"); 53888705166ab82057090a070c6d4200c3d9db76f11San Mehat } 539b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return 0; 540b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat} 541b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 5424ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::destroyAsec(const char *id, bool force) { 543b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char asecFileName[255]; 544b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char mountPoint[255]; 545b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 5463bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 54755013f7131ffe094e1c7d929cfc32b3b25096a9bSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 548b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 5490586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (isMountpointMounted(mountPoint)) { 550d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 551d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat LOGD("Unmounting container before destroy"); 552d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 5534ba8948dc16463053e21cda5744f519a555080d0San Mehat if (unmountAsec(id, force)) { 5540586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat LOGE("Failed to unmount asec %s for destroy (%s)", id, strerror(errno)); 5550586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 5560586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 5570586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 558a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 5590586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unlink(asecFileName)) { 56068f8ebdb24dfe1fe94de2c8fc11084ebfab9fa5dSan Mehat LOGE("Failed to unlink asec '%s' (%s)", asecFileName, strerror(errno)); 5610586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 5620586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 563a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 564d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 565d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat LOGD("ASEC %s destroyed", id); 566d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 567a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 568a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 569a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 570a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::mountAsec(const char *id, const char *key, int ownerUid) { 571a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 572a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 573a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 5743bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 5753bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 576a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 577a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (isMountpointMounted(mountPoint)) { 578a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC %s already mounted", id); 579a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EBUSY; 580a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 581a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 582a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 583d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 584d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 585d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat LOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 586d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 587d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 5887b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root 589a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 590d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 591d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::create(idHash, asecFileName, loopDevice, sizeof(loopDevice))) { 592a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC loop device creation failed (%s)", strerror(errno)); 593a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 594a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 595d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 596d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat LOGD("New loop device created at %s", loopDevice); 597d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 598b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 599d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 600d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat LOGD("Found active loopback for %s at %s", asecFileName, loopDevice); 601d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 602b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 603b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 604b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 605b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 606fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat int fd; 607fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unsigned int nr_sec = 0; 608b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 609fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if ((fd = open(loopDevice, O_RDWR)) < 0) { 610fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat LOGE("Failed to open loopdevice (%s)", strerror(errno)); 611fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 612fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 613fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 614b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 615fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (ioctl(fd, BLKGETSIZE, &nr_sec)) { 616fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat LOGE("Failed to get loop size (%s)", strerror(errno)); 617fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 618fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 619fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 620fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 621fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 622fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat /* 623fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat * Validate superblock 624fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat */ 625fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat struct asec_superblock sb; 626fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat memset(&sb, 0, sizeof(sb)); 627fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (lseek(fd, ((nr_sec-1) * 512), SEEK_SET) < 0) { 628fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat LOGE("lseek failed (%s)", strerror(errno)); 629fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 630fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 631fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 632fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 633fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (read(fd, &sb, sizeof(sb)) != sizeof(sb)) { 634fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat LOGE("superblock read failed (%s)", strerror(errno)); 635fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 636fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 637fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 638fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 639fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 640fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 641fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 642d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 643d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat LOGD("Container sb magic/ver (%.8x/%.2x)", sb.magic, sb.ver); 644d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 645fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (sb.magic != ASEC_SB_MAGIC || sb.ver != ASEC_SB_VER) { 646fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat LOGE("Bad container magic/version (%.8x/%.2x)", sb.magic, sb.ver); 647fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 648fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat errno = EMEDIUMTYPE; 649fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 650fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 651fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat nr_sec--; // We don't want the devmapping to extend onto our superblock 652fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 653fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (strcmp(key, "none")) { 654d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::lookupActive(idHash, dmDevice, sizeof(dmDevice))) { 655d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::create(idHash, loopDevice, key, nr_sec, 656b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat dmDevice, sizeof(dmDevice))) { 657b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("ASEC device mapping failed (%s)", strerror(errno)); 658b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 659b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 660b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 661d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 662d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat LOGD("New devmapper instance created at %s", dmDevice); 663d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 664b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 665d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 666d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat LOGD("Found active devmapper for %s at %s", asecFileName, dmDevice); 667d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 668b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 669b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 670b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 671b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 672a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 673a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 674a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 675b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (errno != EEXIST) { 676b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat LOGE("Mountpoint creation failed (%s)", strerror(errno)); 677b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 678d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 679b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 680b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 681b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 682b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 683a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 684a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 685b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::doMount(dmDevice, mountPoint, true, false, ownerUid, 0, 686cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0222, false)) { 687cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0227, false)) { 688a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("ASEC mount failed (%s)", strerror(errno)); 689b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 690d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 691b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 692b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 693a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 694a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 695a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 69688705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->push_back(strdup(id)); 697d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 698d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat LOGD("ASEC %s mounted", id); 699d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 700a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 701a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 702a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 70349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::mountVolume(const char *label) { 70449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 70549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 70649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 70749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 70849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 70949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 71049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 711a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->mountVol(); 712a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 713a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 714a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareAvailable(const char *method, bool *avail) { 715a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 716a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 717a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 718a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 719a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 720a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 721a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (mUsbMassStorageConnected) 722a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = true; 723a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat else 724a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = false; 725a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 726a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 727a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 728eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehatint VolumeManager::shareEnabled(const char *label, const char *method, bool *enabled) { 729eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat Volume *v = lookupVolume(label); 730eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 731eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (!v) { 732eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOENT; 733eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 734eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 735eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 736eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (strcmp(method, "ums")) { 737eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOSYS; 738eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 739eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 740eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 741eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (v->getState() != Volume::State_Shared) { 742eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat *enabled = false; 743b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat } else { 744b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat *enabled = true; 745eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 746eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return 0; 747eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat} 748eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 749a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::simulate(const char *cmd, const char *arg) { 750a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 751a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(cmd, "ums")) { 752a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(arg, "connect")) { 753a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(true); 754a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else if (!strcmp(arg, "disconnect")) { 755a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(false); 756a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 757a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 758a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 759a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 760a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 761a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 762a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 763a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 764a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 765a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 766a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 767a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareVolume(const char *label, const char *method) { 768a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 769a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 770a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 771a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 772a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 773a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 774a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 775a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat /* 776a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Eventually, we'll want to support additional share back-ends, 777a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * some of which may work while the media is mounted. For now, 778a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * we just support UMS 779a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 780a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 781a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 782a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 783a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 784a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 785a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 786a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 787a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 788a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 789a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 79049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Idle) { 791a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // You need to unmount manually befoe sharing 79249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 79349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 79449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 79549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 796a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 797a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if ((MAJOR(d) == 0) && (MINOR(d) == 0)) { 798a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // This volume does not support raw disk access 799a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 800a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 801a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 802a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 803a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 804a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 805a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 806a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 807a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 808a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 8090cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", 8100cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat O_WRONLY)) < 0) { 811a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 812a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 813a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 814a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 815a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, nodepath, strlen(nodepath)) < 0) { 816a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 817a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 818a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 819a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 820a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 821a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 822a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeShared(); 823a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 824a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 825a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 826a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::unshareVolume(const char *label, const char *method) { 827a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 828a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 829a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 830a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 831a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 832a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 833a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 834a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 835a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 836a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 837a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 838a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 839a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() != Volume::State_Shared) { 840a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 841a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 842a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 843a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 844a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 845a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 846a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 847a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 848a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 849a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 850a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 851a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 8520cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", O_WRONLY)) < 0) { 853a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to open ums lunfile (%s)", strerror(errno)); 854a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 855a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 856a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 857a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char ch = 0; 858a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, &ch, 1) < 0) { 859a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 860a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 861a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 862a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 863a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 864a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 865a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeUnshared(); 866a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 86749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 86849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 8694ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::unmountVolume(const char *label, bool force) { 87049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 87149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 87249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 87349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 87449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 87549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 87649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 877a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 878a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 879a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 880a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 881a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 88249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Mounted) { 883a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat LOGW("Attempt to unmount volume which isn't mounted (%d)\n", 884a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->getState()); 88549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 88649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 88749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 88849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 88988705166ab82057090a070c6d4200c3d9db76f11San Mehat while(mActiveContainers->size()) { 89088705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it = mActiveContainers->begin(); 89188705166ab82057090a070c6d4200c3d9db76f11San Mehat LOGI("Unmounting ASEC %s (dependant on %s)", *it, v->getMountpoint()); 8924ba8948dc16463053e21cda5744f519a555080d0San Mehat if (unmountAsec(*it, force)) { 89312f4b89046b54de1bdc188b7057ba77d7566e573San Mehat LOGE("Failed to unmount ASEC %s (%s)", *it, strerror(errno)); 8940e382532f32e97f90056250f2b13c59840d2c6b4San Mehat return -1; 89588705166ab82057090a070c6d4200c3d9db76f11San Mehat } 89688705166ab82057090a070c6d4200c3d9db76f11San Mehat } 89788705166ab82057090a070c6d4200c3d9db76f11San Mehat 8984ba8948dc16463053e21cda5744f519a555080d0San Mehat return v->unmountVol(force); 89949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 90049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 901a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat/* 902a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Looks up a volume by it's label or mount-point 903a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 90449e2bce5b74129c26a35e25d4693cbfe98c4688eSan MehatVolume *VolumeManager::lookupVolume(const char *label) { 90549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat VolumeCollection::iterator i; 90649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 90749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 908a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (label[0] == '/') { 909a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getMountpoint())) 910a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 911a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 912a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getLabel())) 913a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 914a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 91549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 91649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return NULL; 91749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 918a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 919a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatbool VolumeManager::isMountpointMounted(const char *mp) 920a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat{ 921a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char device[256]; 922a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mount_path[256]; 923a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char rest[256]; 924a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat FILE *fp; 925a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char line[1024]; 926a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 927a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!(fp = fopen("/proc/mounts", "r"))) { 928a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat LOGE("Error opening /proc/mounts (%s)", strerror(errno)); 929a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 930a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 931a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 932a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat while(fgets(line, sizeof(line), fp)) { 933a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat line[strlen(line)-1] = '\0'; 934a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat sscanf(line, "%255s %255s %255s\n", device, mount_path, rest); 935a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!strcmp(mount_path, mp)) { 936a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 937a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return true; 938a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 939a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 940a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 941a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 942a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 943a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 944a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 945