VolumeManager.cpp revision 3b17005083be230509480ea65ae67c237142fada
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" 4429d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall#include "cryptfs.h" 4523969931fad6e993832208f099f6eea0f6f76eb5San Mehat 4697f2fc110b2ace7914671c2f5852379bd78922e4Mike Lockwood#define MASS_STORAGE_FILE_PATH "/sys/class/android_usb/android0/f_mass_storage/lun/file" 4797f2fc110b2ace7914671c2f5852379bd78922e4Mike Lockwood 48f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager *VolumeManager::sInstance = NULL; 49f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 50f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager *VolumeManager::Instance() { 51f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!sInstance) 52f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat sInstance = new VolumeManager(); 53f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return sInstance; 54f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 55f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 56f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager::VolumeManager() { 57d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat mDebug = false; 58f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mVolumes = new VolumeCollection(); 5988705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers = new AsecIdCollection(); 60f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mBroadcaster = NULL; 61a28056b38275003895ff5d9576681aca01544822Mike Lockwood mUmsSharingCount = 0; 62a28056b38275003895ff5d9576681aca01544822Mike Lockwood mSavedDirtyRatio = -1; 63a28056b38275003895ff5d9576681aca01544822Mike Lockwood // set dirty ratio to 0 when UMS is active 64a28056b38275003895ff5d9576681aca01544822Mike Lockwood mUmsDirtyRatio = 0; 653b17005083be230509480ea65ae67c237142fadaKen Sumrall mVolManagerDisabled = 0; 66f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 67f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 68f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager::~VolumeManager() { 6988705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mVolumes; 7088705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mActiveContainers; 71f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 72f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 73d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehatchar *VolumeManager::asecHash(const char *id, char *buffer, size_t len) { 74acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root static const char* digits = "0123456789abcdef"; 75acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root 767b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root unsigned char sig[MD5_DIGEST_LENGTH]; 77d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 78acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root if (buffer == NULL) { 79acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root SLOGE("Destination buffer is NULL"); 80acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root errno = ESPIPE; 81acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root return NULL; 82acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root } else if (id == NULL) { 83acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root SLOGE("Source buffer is NULL"); 84acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root errno = ESPIPE; 85acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root return NULL; 86acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root } else if (len < MD5_ASCII_LENGTH_PLUS_NULL) { 87acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root SLOGE("Target hash buffer size < %d bytes (%d)", 88acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root MD5_ASCII_LENGTH_PLUS_NULL, len); 89d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat errno = ESPIPE; 90d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return NULL; 91d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 927b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root 937b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root MD5(reinterpret_cast<const unsigned char*>(id), strlen(id), sig); 94d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 95acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root char *p = buffer; 967b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root for (int i = 0; i < MD5_DIGEST_LENGTH; i++) { 97acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root *p++ = digits[sig[i] >> 4]; 98acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root *p++ = digits[sig[i] & 0x0F]; 99d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 100acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root *p = '\0'; 101d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 102d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return buffer; 103d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat} 104d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 105d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehatvoid VolumeManager::setDebug(bool enable) { 106d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat mDebug = enable; 107d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat VolumeCollection::iterator it; 108d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat for (it = mVolumes->begin(); it != mVolumes->end(); ++it) { 109d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat (*it)->setDebug(enable); 110d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 111d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat} 112d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 113f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::start() { 114f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 115f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 116f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 117f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::stop() { 118f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 119f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 120f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 121f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::addVolume(Volume *v) { 122f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mVolumes->push_back(v); 123f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 124f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 125f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 126fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehatvoid VolumeManager::handleBlockEvent(NetlinkEvent *evt) { 127fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat const char *devpath = evt->findParam("DEVPATH"); 128f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 129fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat /* Lookup a volume to handle this device */ 130f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator it; 131f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat bool hit = false; 132f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (it = mVolumes->begin(); it != mVolumes->end(); ++it) { 133fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat if (!(*it)->handleBlockEvent(evt)) { 134a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 13597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Device '%s' event handled by volume %s\n", devpath, (*it)->getLabel()); 136a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 137f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat hit = true; 138f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat break; 139f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 140f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 141f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 142f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!hit) { 143a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 14497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("No volumes handled block event for '%s'", devpath); 145a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 146f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 147f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 148f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 149f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::listVolumes(SocketClient *cli) { 150f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator i; 151f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 152f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 153f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *buffer; 154f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat asprintf(&buffer, "%s %s %d", 155f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getLabel(), (*i)->getMountpoint(), 156f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getState()); 157a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::VolumeListResult, buffer, false); 158f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat free(buffer); 159f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 160a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::CommandOkay, "Volumes listed.", false); 161f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 162f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 16349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 164a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::formatVolume(const char *label) { 165a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 166a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 167a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 168a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 169a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 170a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 171a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1723b17005083be230509480ea65ae67c237142fadaKen Sumrall if (mVolManagerDisabled) { 1733b17005083be230509480ea65ae67c237142fadaKen Sumrall errno = EBUSY; 1743b17005083be230509480ea65ae67c237142fadaKen Sumrall return -1; 1753b17005083be230509480ea65ae67c237142fadaKen Sumrall } 1763b17005083be230509480ea65ae67c237142fadaKen Sumrall 177a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->formatVol(); 178a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 179a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 180508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Rootint VolumeManager::getObbMountPath(const char *sourceFile, char *mountPath, int mountPathLen) { 181508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char idHash[33]; 182508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (!asecHash(sourceFile, idHash, sizeof(idHash))) { 183508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root SLOGE("Hash of '%s' failed (%s)", sourceFile, strerror(errno)); 184508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root return -1; 185508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 186508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 187508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root memset(mountPath, 0, mountPathLen); 188508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root snprintf(mountPath, mountPathLen, "%s/%s", Volume::LOOPDIR, idHash); 189508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 190508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (access(mountPath, F_OK)) { 191508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root errno = ENOENT; 192508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root return -1; 193508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 194508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 195508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root return 0; 196508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root} 197508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 198a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::getAsecMountPath(const char *id, char *buffer, int maxlen) { 19988ac2c06539485942bf414efda2d39647fa1a415San Mehat char asecFileName[255]; 20088ac2c06539485942bf414efda2d39647fa1a415San Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 20188ac2c06539485942bf414efda2d39647fa1a415San Mehat 20288ac2c06539485942bf414efda2d39647fa1a415San Mehat memset(buffer, 0, maxlen); 20388ac2c06539485942bf414efda2d39647fa1a415San Mehat if (access(asecFileName, F_OK)) { 20488ac2c06539485942bf414efda2d39647fa1a415San Mehat errno = ENOENT; 20588ac2c06539485942bf414efda2d39647fa1a415San Mehat return -1; 20688ac2c06539485942bf414efda2d39647fa1a415San Mehat } 207a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 2083bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(buffer, maxlen, "%s/%s", Volume::ASECDIR, id); 209a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 210a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 211a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 212736910ca99a40b9add4353bf619e778c40938948Dianne Hackbornint VolumeManager::getAsecFilesystemPath(const char *id, char *buffer, int maxlen) { 213736910ca99a40b9add4353bf619e778c40938948Dianne Hackborn char asecFileName[255]; 214736910ca99a40b9add4353bf619e778c40938948Dianne Hackborn snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 215736910ca99a40b9add4353bf619e778c40938948Dianne Hackborn 216736910ca99a40b9add4353bf619e778c40938948Dianne Hackborn memset(buffer, 0, maxlen); 217736910ca99a40b9add4353bf619e778c40938948Dianne Hackborn if (access(asecFileName, F_OK)) { 218736910ca99a40b9add4353bf619e778c40938948Dianne Hackborn errno = ENOENT; 219736910ca99a40b9add4353bf619e778c40938948Dianne Hackborn return -1; 220736910ca99a40b9add4353bf619e778c40938948Dianne Hackborn } 221736910ca99a40b9add4353bf619e778c40938948Dianne Hackborn 222736910ca99a40b9add4353bf619e778c40938948Dianne Hackborn snprintf(buffer, maxlen, "%s", asecFileName); 223736910ca99a40b9add4353bf619e778c40938948Dianne Hackborn return 0; 224736910ca99a40b9add4353bf619e778c40938948Dianne Hackborn} 225736910ca99a40b9add4353bf619e778c40938948Dianne Hackborn 2268b8f71b1d760411279f3b07a5c97709f052c689eSan Mehatint VolumeManager::createAsec(const char *id, unsigned int numSectors, 227a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat const char *fstype, const char *key, int ownerUid) { 228fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat struct asec_superblock sb; 229fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat memset(&sb, 0, sizeof(sb)); 230fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 231fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.magic = ASEC_SB_MAGIC; 232fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.ver = ASEC_SB_VER; 233a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 234d31e380bd9689dd9629b510ffe324707e261b439San Mehat if (numSectors < ((1024*1024)/512)) { 23597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Invalid container size specified (%d sectors)", numSectors); 236d31e380bd9689dd9629b510ffe324707e261b439San Mehat errno = EINVAL; 237d31e380bd9689dd9629b510ffe324707e261b439San Mehat return -1; 238d31e380bd9689dd9629b510ffe324707e261b439San Mehat } 239d31e380bd9689dd9629b510ffe324707e261b439San Mehat 240a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (lookupVolume(id)) { 24197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC id '%s' currently exists", id); 242a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 243a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 244a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 245a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 246a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 2473bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 248a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 249a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!access(asecFileName, F_OK)) { 25097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC file '%s' currently exists - destroy it first! (%s)", 251a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat asecFileName, strerror(errno)); 252a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 253a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 254a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 255a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 256fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat /* 257fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat * Add some headroom 258fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat */ 259fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unsigned fatSize = (((numSectors * 4) / 512) + 1) * 2; 260fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unsigned numImgSectors = numSectors + fatSize + 2; 261fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 262fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (numImgSectors % 63) { 263fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat numImgSectors += (63 - (numImgSectors % 63)); 264fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 265fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 266fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat // Add +1 for our superblock which is at the end 267fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (Loop::createImageFile(asecFileName, numImgSectors + 1)) { 26897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC image file creation failed (%s)", strerror(errno)); 269a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 270a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 271a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 272d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 273d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 27497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 275d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat unlink(asecFileName); 276d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 277d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 278d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 279a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 280d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::create(idHash, asecFileName, loopDevice, sizeof(loopDevice))) { 28197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC loop device creation failed (%s)", strerror(errno)); 282a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 283a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 284a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 285a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 286b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 287b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 288a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 289b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 290fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat // XXX: This is all we support for now 291fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.c_cipher = ASEC_SB_C_CIPHER_TWOFISH; 292d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::create(idHash, loopDevice, key, numImgSectors, dmDevice, 293b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat sizeof(dmDevice))) { 29497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC device mapping failed (%s)", strerror(errno)); 295b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 296b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unlink(asecFileName); 297b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 298b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 299b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 300b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 301fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.c_cipher = ASEC_SB_C_CIPHER_NONE; 302b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 303b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 304b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 305fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat /* 306fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat * Drop down the superblock at the end of the file 307fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat */ 308fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 309fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat int sbfd = open(loopDevice, O_RDWR); 310fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (sbfd < 0) { 31197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to open new DM device for superblock write (%s)", strerror(errno)); 312fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (cleanupDm) { 313d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 314fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 315fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 316fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unlink(asecFileName); 317fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 318fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 319fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 320fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (lseek(sbfd, (numImgSectors * 512), SEEK_SET) < 0) { 321fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(sbfd); 32297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to lseek for superblock (%s)", strerror(errno)); 323fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (cleanupDm) { 324d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 325fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 326fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 327fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unlink(asecFileName); 328fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 329fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 330fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 331fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (write(sbfd, &sb, sizeof(sb)) != sizeof(sb)) { 332fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(sbfd); 33397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to write superblock (%s)", strerror(errno)); 334fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (cleanupDm) { 335d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 336fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 337fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 338fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unlink(asecFileName); 339fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 340fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 341fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(sbfd); 342fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 343a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (strcmp(fstype, "none")) { 344a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (strcmp(fstype, "fat")) { 34597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Unknown fstype '%s' specified for container", fstype); 346b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 347a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 348fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (Fat::format(dmDevice, numImgSectors)) { 34997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC FAT format failed (%s)", strerror(errno)); 350b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 351d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 352b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 353eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat Loop::destroyByDevice(loopDevice); 354eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat unlink(asecFileName); 355eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat return -1; 356eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat } 357a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat char mountPoint[255]; 358a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat 359a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 360a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (mkdir(mountPoint, 0777)) { 361a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (errno != EEXIST) { 36297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Mountpoint creation failed (%s)", strerror(errno)); 363a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (cleanupDm) { 364d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 365a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 366a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat Loop::destroyByDevice(loopDevice); 367a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat unlink(asecFileName); 368a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat return -1; 369a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 370a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 371a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 372a3e06084564c86ff618c40f185f3676b8b629b94Kenny Root if (Fat::doMount(dmDevice, mountPoint, false, false, false, ownerUid, 373a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat 0, 0000, false)) { 37497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC FAT mount failed (%s)", strerror(errno)); 375a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (cleanupDm) { 376d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 377a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 378a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat Loop::destroyByDevice(loopDevice); 379a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat unlink(asecFileName); 380a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat return -1; 381b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 382a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } else { 38397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGI("Created raw secure container %s (no filesystem)", id); 384a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 38588705166ab82057090a070c6d4200c3d9db76f11San Mehat 386cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root mActiveContainers->push_back(new ContainerData(strdup(id), ASEC)); 387a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 388a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 389a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 390a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::finalizeAsec(const char *id) { 391a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 392a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 393a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 394a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 3953bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 396a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 397d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 398d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 39997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 400d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 401d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 402d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 403d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 40497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to finalize %s (%s)", id, strerror(errno)); 405a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 406a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 407a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 4083bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 409fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat // XXX: 410a3e06084564c86ff618c40f185f3676b8b629b94Kenny Root if (Fat::doMount(loopDevice, mountPoint, true, true, true, 0, 0, 0227, false)) { 41197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC finalize mount failed (%s)", strerror(errno)); 412a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 413a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 414a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 415d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 41697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("ASEC %s finalized", id); 417d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 418a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 419a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 420a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 421048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatint VolumeManager::renameAsec(const char *id1, const char *id2) { 422048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename1; 423048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename2; 424048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char mountPoint[255]; 425048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 4263bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat asprintf(&asecFilename1, "%s/%s.asec", Volume::SEC_ASECDIR, id1); 4273bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat asprintf(&asecFilename2, "%s/%s.asec", Volume::SEC_ASECDIR, id2); 428048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 4293bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id1); 430048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (isMountpointMounted(mountPoint)) { 43197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Rename attempt when src mounted"); 432048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EBUSY; 433048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 434048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 435048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 43696956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id2); 43796956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat if (isMountpointMounted(mountPoint)) { 43897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Rename attempt when dst mounted"); 43996956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat errno = EBUSY; 44096956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat goto out_err; 44196956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat } 44296956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat 443048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (!access(asecFilename2, F_OK)) { 44497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Rename attempt when dst exists"); 445048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EADDRINUSE; 446048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 447048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 448048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 449048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (rename(asecFilename1, asecFilename2)) { 45097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Rename of '%s' to '%s' failed (%s)", asecFilename1, asecFilename2, strerror(errno)); 451048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 452048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 453048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 454048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 455048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 456048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return 0; 457048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 458048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatout_err: 459048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 460048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 461048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return -1; 462048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat} 463048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 464fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root#define UNMOUNT_RETRIES 5 465fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root#define UNMOUNT_SLEEP_BETWEEN_RETRY_MS (1000 * 1000) 4664ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::unmountAsec(const char *id, bool force) { 467a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 468a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 469a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 4703bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 4713bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 472a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 473d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 474d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 47597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 476d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 477d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 478d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 479fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return unmountLoopImage(id, idHash, asecFileName, mountPoint, force); 480fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root} 481fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 482508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Rootint VolumeManager::unmountObb(const char *fileName, bool force) { 483fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char mountPoint[255]; 484fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 485fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char idHash[33]; 486fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (!asecHash(fileName, idHash, sizeof(idHash))) { 487fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Hash of '%s' failed (%s)", fileName, strerror(errno)); 488fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 489fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 490fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 491fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::LOOPDIR, idHash); 492fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 493fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return unmountLoopImage(fileName, idHash, fileName, mountPoint, force); 494fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root} 495fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 496fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Rootint VolumeManager::unmountLoopImage(const char *id, const char *idHash, 497fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root const char *fileName, const char *mountPoint, bool force) { 4980586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (!isMountpointMounted(mountPoint)) { 499fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Unmount request for %s when not mounted", id); 500918e5f9f10b9c1ff929683743ffbf229027ce240Kenny Root errno = ENOENT; 501b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 502b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 50323969931fad6e993832208f099f6eea0f6f76eb5San Mehat 504b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int i, rc; 505fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root for (i = 1; i <= UNMOUNT_RETRIES; i++) { 506b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = umount(mountPoint); 507b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (!rc) { 508b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 509a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 510b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc && (errno == EINVAL || errno == ENOENT)) { 511fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGI("Container %s unmounted OK", id); 512b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = 0; 513b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 514a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 515fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGW("%s unmount attempt %d failed (%s)", 5168c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat id, i, strerror(errno)); 5178c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 5184ba8948dc16463053e21cda5744f519a555080d0San Mehat int action = 0; // default is to just complain 5194ba8948dc16463053e21cda5744f519a555080d0San Mehat 5204ba8948dc16463053e21cda5744f519a555080d0San Mehat if (force) { 521fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (i > (UNMOUNT_RETRIES - 2)) 5224ba8948dc16463053e21cda5744f519a555080d0San Mehat action = 2; // SIGKILL 523fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root else if (i > (UNMOUNT_RETRIES - 3)) 5244ba8948dc16463053e21cda5744f519a555080d0San Mehat action = 1; // SIGHUP 5254ba8948dc16463053e21cda5744f519a555080d0San Mehat } 5268c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 527586536c60b773e3517531ad8a6cb0de6722c67fcSan Mehat Process::killProcessesWithOpenFiles(mountPoint, action); 528fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root usleep(UNMOUNT_SLEEP_BETWEEN_RETRY_MS); 529b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 530b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 531b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc) { 5324ba8948dc16463053e21cda5744f519a555080d0San Mehat errno = EBUSY; 53397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to unmount container %s (%s)", id, strerror(errno)); 534b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 535b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 536b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 53712f4b89046b54de1bdc188b7057ba77d7566e573San Mehat int retries = 10; 53812f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 53912f4b89046b54de1bdc188b7057ba77d7566e573San Mehat while(retries--) { 54012f4b89046b54de1bdc188b7057ba77d7566e573San Mehat if (!rmdir(mountPoint)) { 54112f4b89046b54de1bdc188b7057ba77d7566e573San Mehat break; 54212f4b89046b54de1bdc188b7057ba77d7566e573San Mehat } 54312f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 54497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Failed to rmdir %s (%s)", mountPoint, strerror(errno)); 545fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root usleep(UNMOUNT_SLEEP_BETWEEN_RETRY_MS); 54612f4b89046b54de1bdc188b7057ba77d7566e573San Mehat } 54712f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 54812f4b89046b54de1bdc188b7057ba77d7566e573San Mehat if (!retries) { 54997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Timed out trying to rmdir %s (%s)", mountPoint, strerror(errno)); 550f5c61980969a0b49bda37b5dc94ffe675ebd5a5aSan Mehat } 55188705166ab82057090a070c6d4200c3d9db76f11San Mehat 552d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::destroy(idHash) && errno != ENXIO) { 55397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to destroy devmapper instance (%s)", strerror(errno)); 554a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 555a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 556a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 557d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 558a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 559d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } else { 560fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGW("Failed to find loop device for {%s} (%s)", fileName, strerror(errno)); 561a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 56288705166ab82057090a070c6d4200c3d9db76f11San Mehat 56388705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it; 56488705166ab82057090a070c6d4200c3d9db76f11San Mehat for (it = mActiveContainers->begin(); it != mActiveContainers->end(); ++it) { 565cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root ContainerData* cd = *it; 566cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root if (!strcmp(cd->id, id)) { 56788705166ab82057090a070c6d4200c3d9db76f11San Mehat free(*it); 56888705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->erase(it); 56988705166ab82057090a070c6d4200c3d9db76f11San Mehat break; 57088705166ab82057090a070c6d4200c3d9db76f11San Mehat } 57188705166ab82057090a070c6d4200c3d9db76f11San Mehat } 57288705166ab82057090a070c6d4200c3d9db76f11San Mehat if (it == mActiveContainers->end()) { 57397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("mActiveContainers is inconsistent!"); 57488705166ab82057090a070c6d4200c3d9db76f11San Mehat } 575b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return 0; 576b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat} 577b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 5784ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::destroyAsec(const char *id, bool force) { 579b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char asecFileName[255]; 580b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char mountPoint[255]; 581b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 5823bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 58355013f7131ffe094e1c7d929cfc32b3b25096a9bSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 584b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 5850586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (isMountpointMounted(mountPoint)) { 586d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 58797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Unmounting container before destroy"); 588d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 5894ba8948dc16463053e21cda5744f519a555080d0San Mehat if (unmountAsec(id, force)) { 59097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to unmount asec %s for destroy (%s)", id, strerror(errno)); 5910586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 5920586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 5930586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 594a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 5950586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unlink(asecFileName)) { 59697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to unlink asec '%s' (%s)", asecFileName, strerror(errno)); 5970586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 5980586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 599a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 600d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 60197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("ASEC %s destroyed", id); 602d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 603a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 604a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 605a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 606a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::mountAsec(const char *id, const char *key, int ownerUid) { 607a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 608a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 609a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 6103bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 6113bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 612a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 613a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (isMountpointMounted(mountPoint)) { 61497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC %s already mounted", id); 615a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EBUSY; 616a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 617a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 618a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 619d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 620d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 62197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 622d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 623d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 6247b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root 625a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 626d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 627d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::create(idHash, asecFileName, loopDevice, sizeof(loopDevice))) { 62897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC loop device creation failed (%s)", strerror(errno)); 629a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 630a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 631d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 63297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("New loop device created at %s", loopDevice); 633d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 634b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 635d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 63697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Found active loopback for %s at %s", asecFileName, loopDevice); 637d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 638b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 639b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 640b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 641b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 642fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat int fd; 643fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unsigned int nr_sec = 0; 644b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 645fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if ((fd = open(loopDevice, O_RDWR)) < 0) { 64697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to open loopdevice (%s)", strerror(errno)); 647fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 648fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 649fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 650b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 651fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (ioctl(fd, BLKGETSIZE, &nr_sec)) { 65297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to get loop size (%s)", strerror(errno)); 653fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 654fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 655fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 656fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 657fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 658fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat /* 659fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat * Validate superblock 660fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat */ 661fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat struct asec_superblock sb; 662fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat memset(&sb, 0, sizeof(sb)); 663fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (lseek(fd, ((nr_sec-1) * 512), SEEK_SET) < 0) { 66497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("lseek failed (%s)", strerror(errno)); 665fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 666fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 667fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 668fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 669fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (read(fd, &sb, sizeof(sb)) != sizeof(sb)) { 67097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("superblock read failed (%s)", strerror(errno)); 671fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 672fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 673fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 674fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 675fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 676fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 677fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 678d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 67997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Container sb magic/ver (%.8x/%.2x)", sb.magic, sb.ver); 680d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 681fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (sb.magic != ASEC_SB_MAGIC || sb.ver != ASEC_SB_VER) { 68297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Bad container magic/version (%.8x/%.2x)", sb.magic, sb.ver); 683fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 684fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat errno = EMEDIUMTYPE; 685fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 686fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 687fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat nr_sec--; // We don't want the devmapping to extend onto our superblock 688fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 689fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (strcmp(key, "none")) { 690d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::lookupActive(idHash, dmDevice, sizeof(dmDevice))) { 691d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::create(idHash, loopDevice, key, nr_sec, 692b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat dmDevice, sizeof(dmDevice))) { 69397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC device mapping failed (%s)", strerror(errno)); 694b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 695b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 696b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 697d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 69897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("New devmapper instance created at %s", dmDevice); 699d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 700b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 701d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 70297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Found active devmapper for %s at %s", asecFileName, dmDevice); 703d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 704b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 705b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 706b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 707b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 708a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 709a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 710a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 711b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (errno != EEXIST) { 71297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Mountpoint creation failed (%s)", strerror(errno)); 713b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 714d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 715b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 716b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 717b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 718b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 719a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 720a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 721a3e06084564c86ff618c40f185f3676b8b629b94Kenny Root if (Fat::doMount(dmDevice, mountPoint, true, false, true, ownerUid, 0, 722cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0222, false)) { 723cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0227, false)) { 72497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC mount failed (%s)", strerror(errno)); 725b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 726d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 727b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 728b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 729a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 730a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 731a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 732cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root mActiveContainers->push_back(new ContainerData(strdup(id), ASEC)); 733d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 73497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("ASEC %s mounted", id); 735d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 736a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 737a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 738a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 739fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root/** 740fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root * Mounts an image file <code>img</code>. 741fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root */ 742508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Rootint VolumeManager::mountObb(const char *img, const char *key, int ownerUid) { 743fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char mountPoint[255]; 744fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 745fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char idHash[33]; 746fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (!asecHash(img, idHash, sizeof(idHash))) { 747fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Hash of '%s' failed (%s)", img, strerror(errno)); 748fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 749fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 750fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 751fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::LOOPDIR, idHash); 752fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 753fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (isMountpointMounted(mountPoint)) { 754fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Image %s already mounted", img); 755fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root errno = EBUSY; 756fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 757fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 758fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 759fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char loopDevice[255]; 760fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 761fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (Loop::create(idHash, img, loopDevice, sizeof(loopDevice))) { 762fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Image loop device creation failed (%s)", strerror(errno)); 763fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 764fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 765fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mDebug) { 766fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGD("New loop device created at %s", loopDevice); 767fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 768fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } else { 769fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mDebug) { 770fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGD("Found active loopback for %s at %s", img, loopDevice); 771fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 772fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 773fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 774fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char dmDevice[255]; 775fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root bool cleanupDm = false; 776fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root int fd; 777fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root unsigned int nr_sec = 0; 778fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 779fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if ((fd = open(loopDevice, O_RDWR)) < 0) { 780fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Failed to open loopdevice (%s)", strerror(errno)); 781fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Loop::destroyByDevice(loopDevice); 782fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 783fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 784fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 785fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (ioctl(fd, BLKGETSIZE, &nr_sec)) { 786fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Failed to get loop size (%s)", strerror(errno)); 787fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Loop::destroyByDevice(loopDevice); 788fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root close(fd); 789fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 790fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 791fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 792fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root close(fd); 793fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 794fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (strcmp(key, "none")) { 795fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (Devmapper::lookupActive(idHash, dmDevice, sizeof(dmDevice))) { 796fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (Devmapper::create(idHash, loopDevice, key, nr_sec, 797fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root dmDevice, sizeof(dmDevice))) { 798fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("ASEC device mapping failed (%s)", strerror(errno)); 799fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Loop::destroyByDevice(loopDevice); 800fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 801fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 802fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mDebug) { 803fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGD("New devmapper instance created at %s", dmDevice); 804fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 805fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } else { 806fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mDebug) { 807fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGD("Found active devmapper for %s at %s", img, dmDevice); 808fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 809fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 810fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root cleanupDm = true; 811fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } else { 812fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root strcpy(dmDevice, loopDevice); 813fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 814fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 815fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mkdir(mountPoint, 0755)) { 816fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (errno != EEXIST) { 817fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Mountpoint creation failed (%s)", strerror(errno)); 818fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (cleanupDm) { 819fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Devmapper::destroy(idHash); 820fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 821fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Loop::destroyByDevice(loopDevice); 822fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 823fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 824fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 825fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 826a3e06084564c86ff618c40f185f3676b8b629b94Kenny Root if (Fat::doMount(dmDevice, mountPoint, true, false, true, ownerUid, 0, 827fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 0227, false)) { 828fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Image mount failed (%s)", strerror(errno)); 829fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (cleanupDm) { 830fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Devmapper::destroy(idHash); 831fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 832fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Loop::destroyByDevice(loopDevice); 833fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 834fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 835fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 836cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root mActiveContainers->push_back(new ContainerData(strdup(img), OBB)); 837fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mDebug) { 838fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGD("Image %s mounted", img); 839fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 840fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return 0; 841fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root} 842fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 84349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::mountVolume(const char *label) { 84449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 84549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 84649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 84749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 84849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 84949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 85049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 851a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->mountVol(); 852a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 853a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 854508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Rootint VolumeManager::listMountedObbs(SocketClient* cli) { 855508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char device[256]; 856508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char mount_path[256]; 857508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char rest[256]; 858508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root FILE *fp; 859508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char line[1024]; 860508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 861508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (!(fp = fopen("/proc/mounts", "r"))) { 862508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root SLOGE("Error opening /proc/mounts (%s)", strerror(errno)); 863508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root return -1; 864508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 865508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 866508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root // Create a string to compare against that has a trailing slash 867508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root int loopDirLen = sizeof(Volume::LOOPDIR); 868508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char loopDir[loopDirLen + 2]; 869508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root strcpy(loopDir, Volume::LOOPDIR); 870508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root loopDir[loopDirLen++] = '/'; 871508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root loopDir[loopDirLen] = '\0'; 872508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 873508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root while(fgets(line, sizeof(line), fp)) { 874508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root line[strlen(line)-1] = '\0'; 875508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 876508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root /* 877508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root * Should look like: 878508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root * /dev/block/loop0 /mnt/obb/fc99df1323fd36424f864dcb76b76d65 ... 879508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root */ 880508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root sscanf(line, "%255s %255s %255s\n", device, mount_path, rest); 881508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 882508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (!strncmp(mount_path, loopDir, loopDirLen)) { 883508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root int fd = open(device, O_RDONLY); 884508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (fd >= 0) { 885508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root struct loop_info64 li; 886508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (ioctl(fd, LOOP_GET_STATUS64, &li) >= 0) { 887508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root cli->sendMsg(ResponseCode::AsecListResult, 888508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root (const char*) li.lo_file_name, false); 889508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 890508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root close(fd); 891508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 892508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 893508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 894508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 895508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root fclose(fp); 896508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root return 0; 897508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root} 898508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 899eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehatint VolumeManager::shareEnabled(const char *label, const char *method, bool *enabled) { 900eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat Volume *v = lookupVolume(label); 901eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 902eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (!v) { 903eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOENT; 904eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 905eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 906eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 907eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (strcmp(method, "ums")) { 908eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOSYS; 909eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 910eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 911eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 912eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (v->getState() != Volume::State_Shared) { 913eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat *enabled = false; 914b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat } else { 915b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat *enabled = true; 916eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 917eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return 0; 918eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat} 919eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 920a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareVolume(const char *label, const char *method) { 921a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 922a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 923a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 924a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 925a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 926a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 927a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 928a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat /* 929a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Eventually, we'll want to support additional share back-ends, 930a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * some of which may work while the media is mounted. For now, 931a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * we just support UMS 932a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 933a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 934a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 935a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 936a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 937a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 938a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 939a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 940a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 941a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 942a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 94349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Idle) { 944a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // You need to unmount manually befoe sharing 94549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 94649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 94749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 94849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 9493b17005083be230509480ea65ae67c237142fadaKen Sumrall if (mVolManagerDisabled) { 9503b17005083be230509480ea65ae67c237142fadaKen Sumrall errno = EBUSY; 9513b17005083be230509480ea65ae67c237142fadaKen Sumrall return -1; 9523b17005083be230509480ea65ae67c237142fadaKen Sumrall } 9533b17005083be230509480ea65ae67c237142fadaKen Sumrall 9542dfe297ec47559dbe2297a72bea71cf515c03797Mike Lockwood dev_t d = v->getShareDevice(); 955a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if ((MAJOR(d) == 0) && (MINOR(d) == 0)) { 956a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // This volume does not support raw disk access 957a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 958a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 959a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 960a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 961a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 962a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 963a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 964a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 965a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 966a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 96797f2fc110b2ace7914671c2f5852379bd78922e4Mike Lockwood if ((fd = open(MASS_STORAGE_FILE_PATH, O_WRONLY)) < 0) { 96897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to open ums lunfile (%s)", strerror(errno)); 969a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 970a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 971a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 972a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, nodepath, strlen(nodepath)) < 0) { 97397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 974a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 975a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 976a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 977a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 978a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 979a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeShared(); 980a28056b38275003895ff5d9576681aca01544822Mike Lockwood if (mUmsSharingCount++ == 0) { 981a28056b38275003895ff5d9576681aca01544822Mike Lockwood FILE* fp; 982a28056b38275003895ff5d9576681aca01544822Mike Lockwood mSavedDirtyRatio = -1; // in case we fail 983a28056b38275003895ff5d9576681aca01544822Mike Lockwood if ((fp = fopen("/proc/sys/vm/dirty_ratio", "r+"))) { 984a28056b38275003895ff5d9576681aca01544822Mike Lockwood char line[16]; 985a28056b38275003895ff5d9576681aca01544822Mike Lockwood if (fgets(line, sizeof(line), fp) && sscanf(line, "%d", &mSavedDirtyRatio)) { 986a28056b38275003895ff5d9576681aca01544822Mike Lockwood fprintf(fp, "%d\n", mUmsDirtyRatio); 987a28056b38275003895ff5d9576681aca01544822Mike Lockwood } else { 988a28056b38275003895ff5d9576681aca01544822Mike Lockwood SLOGE("Failed to read dirty_ratio (%s)", strerror(errno)); 989a28056b38275003895ff5d9576681aca01544822Mike Lockwood } 990a28056b38275003895ff5d9576681aca01544822Mike Lockwood fclose(fp); 991a28056b38275003895ff5d9576681aca01544822Mike Lockwood } else { 992a28056b38275003895ff5d9576681aca01544822Mike Lockwood SLOGE("Failed to open /proc/sys/vm/dirty_ratio (%s)", strerror(errno)); 993a28056b38275003895ff5d9576681aca01544822Mike Lockwood } 994a28056b38275003895ff5d9576681aca01544822Mike Lockwood } 995a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 996a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 997a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 998a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::unshareVolume(const char *label, const char *method) { 999a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 1000a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1001a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 1002a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 1003a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1004a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1005a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1006a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 1007a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 1008a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1009a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1010a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1011a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() != Volume::State_Shared) { 1012a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 1013a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1014a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1015a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1016a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 101797f2fc110b2ace7914671c2f5852379bd78922e4Mike Lockwood if ((fd = open(MASS_STORAGE_FILE_PATH, O_WRONLY)) < 0) { 101897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to open ums lunfile (%s)", strerror(errno)); 1019a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1020a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1021a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1022a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char ch = 0; 1023a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, &ch, 1) < 0) { 102497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 1025a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 1026a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1027a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1028a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1029a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 1030a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeUnshared(); 1031a28056b38275003895ff5d9576681aca01544822Mike Lockwood if (--mUmsSharingCount == 0 && mSavedDirtyRatio != -1) { 1032a28056b38275003895ff5d9576681aca01544822Mike Lockwood FILE* fp; 1033a28056b38275003895ff5d9576681aca01544822Mike Lockwood if ((fp = fopen("/proc/sys/vm/dirty_ratio", "r+"))) { 1034a28056b38275003895ff5d9576681aca01544822Mike Lockwood fprintf(fp, "%d\n", mSavedDirtyRatio); 1035a28056b38275003895ff5d9576681aca01544822Mike Lockwood fclose(fp); 1036a28056b38275003895ff5d9576681aca01544822Mike Lockwood } else { 1037a28056b38275003895ff5d9576681aca01544822Mike Lockwood SLOGE("Failed to open /proc/sys/vm/dirty_ratio (%s)", strerror(errno)); 1038a28056b38275003895ff5d9576681aca01544822Mike Lockwood } 1039a28056b38275003895ff5d9576681aca01544822Mike Lockwood mSavedDirtyRatio = -1; 1040a28056b38275003895ff5d9576681aca01544822Mike Lockwood } 1041a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 104249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 104349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 10443b17005083be230509480ea65ae67c237142fadaKen Sumrallextern "C" int vold_disableVol(const char *label) { 104529d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall VolumeManager *vm = VolumeManager::Instance(); 10463b17005083be230509480ea65ae67c237142fadaKen Sumrall vm->disableVolumeManager(); 10473b17005083be230509480ea65ae67c237142fadaKen Sumrall vm->unshareVolume(label, "ums"); 104829d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall return vm->unmountVolume(label, true); 104929d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall} 105029d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 105129d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrallextern "C" int vold_getNumDirectVolumes(void) { 105229d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall VolumeManager *vm = VolumeManager::Instance(); 105329d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall return vm->getNumDirectVolumes(); 105429d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall} 105529d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 105629d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrallint VolumeManager::getNumDirectVolumes(void) { 105729d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall VolumeCollection::iterator i; 105829d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall int n=0; 105929d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 106029d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 106129d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall if ((*i)->getShareDevice() != (dev_t)0) { 106229d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall n++; 106329d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall } 106429d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall } 106529d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall return n; 106629d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall} 106729d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 106829d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrallextern "C" int vold_getDirectVolumeList(struct volume_info *vol_list) { 106929d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall VolumeManager *vm = VolumeManager::Instance(); 107029d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall return vm->getDirectVolumeList(vol_list); 107129d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall} 107229d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 107329d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrallint VolumeManager::getDirectVolumeList(struct volume_info *vol_list) { 107429d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall VolumeCollection::iterator i; 107529d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall int n=0; 107629d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall dev_t d; 107729d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 107829d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 107929d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall if ((d=(*i)->getShareDevice()) != (dev_t)0) { 108029d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall (*i)->getVolInfo(&vol_list[n]); 108129d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall snprintf(vol_list[n].blk_dev, sizeof(vol_list[n].blk_dev), 108229d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall "/dev/block/vold/%d:%d",MAJOR(d), MINOR(d)); 108329d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall n++; 108429d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall } 108529d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall } 108629d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 108729d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall return 0; 108829d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall} 108929d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 10904ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::unmountVolume(const char *label, bool force) { 109149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 109249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 109349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 109449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 109549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 109649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 109749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 1098a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 1099a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 1100a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1101a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1102a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 110349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Mounted) { 110497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Attempt to unmount volume which isn't mounted (%d)\n", 1105a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->getState()); 110649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 1107319b1043bbbd410aa2d572d88b5936f26072d026Ken Sumrall return UNMOUNT_NOT_MOUNTED_ERR; 110849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 110949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 11101a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat cleanupAsec(v, force); 111188705166ab82057090a070c6d4200c3d9db76f11San Mehat 11124ba8948dc16463053e21cda5744f519a555080d0San Mehat return v->unmountVol(force); 111349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 111449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 1115a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat/* 1116a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Looks up a volume by it's label or mount-point 1117a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 111849e2bce5b74129c26a35e25d4693cbfe98c4688eSan MehatVolume *VolumeManager::lookupVolume(const char *label) { 111949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat VolumeCollection::iterator i; 112049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 112149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 1122a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (label[0] == '/') { 1123a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getMountpoint())) 1124a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 1125a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 1126a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getLabel())) 1127a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 1128a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 112949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 113049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return NULL; 113149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 1132a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1133a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatbool VolumeManager::isMountpointMounted(const char *mp) 1134a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat{ 1135a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char device[256]; 1136a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mount_path[256]; 1137a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char rest[256]; 1138a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat FILE *fp; 1139a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char line[1024]; 1140a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1141a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!(fp = fopen("/proc/mounts", "r"))) { 114297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Error opening /proc/mounts (%s)", strerror(errno)); 1143a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 1144a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 1145a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1146a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat while(fgets(line, sizeof(line), fp)) { 1147a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat line[strlen(line)-1] = '\0'; 1148a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat sscanf(line, "%255s %255s %255s\n", device, mount_path, rest); 1149a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!strcmp(mount_path, mp)) { 1150a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 1151a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return true; 1152a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 1153a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 1154a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1155a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 1156a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 1157a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 1158a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 11591a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehatint VolumeManager::cleanupAsec(Volume *v, bool force) { 11601a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat while(mActiveContainers->size()) { 11611a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat AsecIdCollection::iterator it = mActiveContainers->begin(); 1162cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root ContainerData* cd = *it; 1163cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root SLOGI("Unmounting ASEC %s (dependant on %s)", cd->id, v->getMountpoint()); 1164cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root if (cd->type == ASEC) { 1165cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root if (unmountAsec(cd->id, force)) { 1166cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root SLOGE("Failed to unmount ASEC %s (%s)", cd->id, strerror(errno)); 1167cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root return -1; 1168cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root } 1169cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root } else if (cd->type == OBB) { 1170cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root if (unmountObb(cd->id, force)) { 1171cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root SLOGE("Failed to unmount OBB %s (%s)", cd->id, strerror(errno)); 1172cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root return -1; 1173cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root } 1174cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root } else { 1175cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root SLOGE("Unknown container type %d!", cd->type); 11761a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat return -1; 11771a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat } 11781a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat } 11791a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat return 0; 11801a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat} 11811a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat 1182