VolumeManager.cpp revision 97f2fc110b2ace7914671c2f5852379bd78922e4
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; 65f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 66f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 67f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager::~VolumeManager() { 6888705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mVolumes; 6988705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mActiveContainers; 70f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 71f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 72d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehatchar *VolumeManager::asecHash(const char *id, char *buffer, size_t len) { 73acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root static const char* digits = "0123456789abcdef"; 74acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root 757b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root unsigned char sig[MD5_DIGEST_LENGTH]; 76d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 77acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root if (buffer == NULL) { 78acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root SLOGE("Destination buffer is NULL"); 79acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root errno = ESPIPE; 80acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root return NULL; 81acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root } else if (id == NULL) { 82acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root SLOGE("Source buffer is NULL"); 83acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root errno = ESPIPE; 84acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root return NULL; 85acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root } else if (len < MD5_ASCII_LENGTH_PLUS_NULL) { 86acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root SLOGE("Target hash buffer size < %d bytes (%d)", 87acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root MD5_ASCII_LENGTH_PLUS_NULL, len); 88d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat errno = ESPIPE; 89d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return NULL; 90d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 917b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root 927b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root MD5(reinterpret_cast<const unsigned char*>(id), strlen(id), sig); 93d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 94acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root char *p = buffer; 957b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root for (int i = 0; i < MD5_DIGEST_LENGTH; i++) { 96acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root *p++ = digits[sig[i] >> 4]; 97acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root *p++ = digits[sig[i] & 0x0F]; 98d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 99acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root *p = '\0'; 100d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 101d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return buffer; 102d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat} 103d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 104d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehatvoid VolumeManager::setDebug(bool enable) { 105d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat mDebug = enable; 106d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat VolumeCollection::iterator it; 107d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat for (it = mVolumes->begin(); it != mVolumes->end(); ++it) { 108d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat (*it)->setDebug(enable); 109d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 110d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat} 111d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 112f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::start() { 113f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 114f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 115f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 116f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::stop() { 117f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 118f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 119f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 120f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::addVolume(Volume *v) { 121f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mVolumes->push_back(v); 122f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 123f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 124f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 125fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehatvoid VolumeManager::handleBlockEvent(NetlinkEvent *evt) { 126fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat const char *devpath = evt->findParam("DEVPATH"); 127f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 128fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat /* Lookup a volume to handle this device */ 129f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator it; 130f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat bool hit = false; 131f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (it = mVolumes->begin(); it != mVolumes->end(); ++it) { 132fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat if (!(*it)->handleBlockEvent(evt)) { 133a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 13497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Device '%s' event handled by volume %s\n", devpath, (*it)->getLabel()); 135a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 136f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat hit = true; 137f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat break; 138f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 139f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 140f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 141f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!hit) { 142a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 14397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("No volumes handled block event for '%s'", devpath); 144a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 145f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 146f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 147f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 148f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::listVolumes(SocketClient *cli) { 149f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator i; 150f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 151f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 152f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *buffer; 153f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat asprintf(&buffer, "%s %s %d", 154f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getLabel(), (*i)->getMountpoint(), 155f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getState()); 156a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::VolumeListResult, buffer, false); 157f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat free(buffer); 158f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 159a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::CommandOkay, "Volumes listed.", false); 160f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 161f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 16249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 163a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::formatVolume(const char *label) { 164a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 165a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 166a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 167a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 168a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 169a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 170a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 171a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->formatVol(); 172a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 173a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 174508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Rootint VolumeManager::getObbMountPath(const char *sourceFile, char *mountPath, int mountPathLen) { 175508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char idHash[33]; 176508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (!asecHash(sourceFile, idHash, sizeof(idHash))) { 177508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root SLOGE("Hash of '%s' failed (%s)", sourceFile, strerror(errno)); 178508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root return -1; 179508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 180508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 181508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root memset(mountPath, 0, mountPathLen); 182508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root snprintf(mountPath, mountPathLen, "%s/%s", Volume::LOOPDIR, idHash); 183508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 184508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (access(mountPath, F_OK)) { 185508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root errno = ENOENT; 186508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root return -1; 187508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 188508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 189508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root return 0; 190508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root} 191508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 192a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::getAsecMountPath(const char *id, char *buffer, int maxlen) { 19388ac2c06539485942bf414efda2d39647fa1a415San Mehat char asecFileName[255]; 19488ac2c06539485942bf414efda2d39647fa1a415San Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 19588ac2c06539485942bf414efda2d39647fa1a415San Mehat 19688ac2c06539485942bf414efda2d39647fa1a415San Mehat memset(buffer, 0, maxlen); 19788ac2c06539485942bf414efda2d39647fa1a415San Mehat if (access(asecFileName, F_OK)) { 19888ac2c06539485942bf414efda2d39647fa1a415San Mehat errno = ENOENT; 19988ac2c06539485942bf414efda2d39647fa1a415San Mehat return -1; 20088ac2c06539485942bf414efda2d39647fa1a415San Mehat } 201a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 2023bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(buffer, maxlen, "%s/%s", Volume::ASECDIR, id); 203a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 204a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 205a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 2068b8f71b1d760411279f3b07a5c97709f052c689eSan Mehatint VolumeManager::createAsec(const char *id, unsigned int numSectors, 207a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat const char *fstype, const char *key, int ownerUid) { 208fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat struct asec_superblock sb; 209fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat memset(&sb, 0, sizeof(sb)); 210fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 211fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.magic = ASEC_SB_MAGIC; 212fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.ver = ASEC_SB_VER; 213a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 214d31e380bd9689dd9629b510ffe324707e261b439San Mehat if (numSectors < ((1024*1024)/512)) { 21597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Invalid container size specified (%d sectors)", numSectors); 216d31e380bd9689dd9629b510ffe324707e261b439San Mehat errno = EINVAL; 217d31e380bd9689dd9629b510ffe324707e261b439San Mehat return -1; 218d31e380bd9689dd9629b510ffe324707e261b439San Mehat } 219d31e380bd9689dd9629b510ffe324707e261b439San Mehat 220a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (lookupVolume(id)) { 22197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC id '%s' currently exists", id); 222a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 223a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 224a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 225a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 226a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 2273bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 228a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 229a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!access(asecFileName, F_OK)) { 23097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC file '%s' currently exists - destroy it first! (%s)", 231a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat asecFileName, strerror(errno)); 232a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 233a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 234a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 235a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 236fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat /* 237fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat * Add some headroom 238fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat */ 239fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unsigned fatSize = (((numSectors * 4) / 512) + 1) * 2; 240fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unsigned numImgSectors = numSectors + fatSize + 2; 241fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 242fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (numImgSectors % 63) { 243fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat numImgSectors += (63 - (numImgSectors % 63)); 244fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 245fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 246fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat // Add +1 for our superblock which is at the end 247fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (Loop::createImageFile(asecFileName, numImgSectors + 1)) { 24897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC image file creation failed (%s)", strerror(errno)); 249a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 250a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 251a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 252d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 253d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 25497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 255d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat unlink(asecFileName); 256d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 257d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 258d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 259a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 260d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::create(idHash, asecFileName, loopDevice, sizeof(loopDevice))) { 26197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC loop device creation failed (%s)", strerror(errno)); 262a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 263a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 264a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 265a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 266b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 267b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 268a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 269b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 270fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat // XXX: This is all we support for now 271fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.c_cipher = ASEC_SB_C_CIPHER_TWOFISH; 272d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::create(idHash, loopDevice, key, numImgSectors, dmDevice, 273b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat sizeof(dmDevice))) { 27497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC device mapping failed (%s)", strerror(errno)); 275b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 276b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unlink(asecFileName); 277b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 278b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 279b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 280b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 281fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.c_cipher = ASEC_SB_C_CIPHER_NONE; 282b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 283b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 284b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 285fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat /* 286fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat * Drop down the superblock at the end of the file 287fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat */ 288fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 289fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat int sbfd = open(loopDevice, O_RDWR); 290fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (sbfd < 0) { 29197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to open new DM device for superblock write (%s)", strerror(errno)); 292fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (cleanupDm) { 293d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 294fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 295fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 296fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unlink(asecFileName); 297fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 298fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 299fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 300fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (lseek(sbfd, (numImgSectors * 512), SEEK_SET) < 0) { 301fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(sbfd); 30297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to lseek for superblock (%s)", strerror(errno)); 303fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (cleanupDm) { 304d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 305fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 306fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 307fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unlink(asecFileName); 308fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 309fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 310fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 311fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (write(sbfd, &sb, sizeof(sb)) != sizeof(sb)) { 312fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(sbfd); 31397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to write superblock (%s)", strerror(errno)); 314fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (cleanupDm) { 315d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 316fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 317fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 318fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unlink(asecFileName); 319fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 320fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 321fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(sbfd); 322fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 323a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (strcmp(fstype, "none")) { 324a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (strcmp(fstype, "fat")) { 32597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Unknown fstype '%s' specified for container", fstype); 326b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 327a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 328fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (Fat::format(dmDevice, numImgSectors)) { 32997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC FAT format failed (%s)", strerror(errno)); 330b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 331d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 332b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 333eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat Loop::destroyByDevice(loopDevice); 334eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat unlink(asecFileName); 335eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat return -1; 336eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat } 337a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat char mountPoint[255]; 338a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat 339a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 340a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (mkdir(mountPoint, 0777)) { 341a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (errno != EEXIST) { 34297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Mountpoint creation failed (%s)", strerror(errno)); 343a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (cleanupDm) { 344d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 345a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 346a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat Loop::destroyByDevice(loopDevice); 347a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat unlink(asecFileName); 348a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat return -1; 349a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 350a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 351a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 352a3e06084564c86ff618c40f185f3676b8b629b94Kenny Root if (Fat::doMount(dmDevice, mountPoint, false, false, false, ownerUid, 353a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat 0, 0000, false)) { 35497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC FAT mount failed (%s)", strerror(errno)); 355a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (cleanupDm) { 356d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 357a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 358a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat Loop::destroyByDevice(loopDevice); 359a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat unlink(asecFileName); 360a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat return -1; 361b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 362a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } else { 36397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGI("Created raw secure container %s (no filesystem)", id); 364a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 36588705166ab82057090a070c6d4200c3d9db76f11San Mehat 366cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root mActiveContainers->push_back(new ContainerData(strdup(id), ASEC)); 367a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 368a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 369a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 370a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::finalizeAsec(const char *id) { 371a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 372a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 373a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 374a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 3753bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 376a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 377d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 378d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 37997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 380d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 381d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 382d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 383d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 38497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to finalize %s (%s)", id, strerror(errno)); 385a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 386a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 387a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 3883bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 389fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat // XXX: 390a3e06084564c86ff618c40f185f3676b8b629b94Kenny Root if (Fat::doMount(loopDevice, mountPoint, true, true, true, 0, 0, 0227, false)) { 39197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC finalize mount failed (%s)", strerror(errno)); 392a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 393a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 394a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 395d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 39697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("ASEC %s finalized", id); 397d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 398a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 399a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 400a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 401048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatint VolumeManager::renameAsec(const char *id1, const char *id2) { 402048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename1; 403048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename2; 404048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char mountPoint[255]; 405048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 4063bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat asprintf(&asecFilename1, "%s/%s.asec", Volume::SEC_ASECDIR, id1); 4073bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat asprintf(&asecFilename2, "%s/%s.asec", Volume::SEC_ASECDIR, id2); 408048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 4093bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id1); 410048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (isMountpointMounted(mountPoint)) { 41197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Rename attempt when src mounted"); 412048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EBUSY; 413048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 414048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 415048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 41696956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id2); 41796956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat if (isMountpointMounted(mountPoint)) { 41897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Rename attempt when dst mounted"); 41996956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat errno = EBUSY; 42096956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat goto out_err; 42196956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat } 42296956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat 423048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (!access(asecFilename2, F_OK)) { 42497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Rename attempt when dst exists"); 425048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EADDRINUSE; 426048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 427048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 428048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 429048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (rename(asecFilename1, asecFilename2)) { 43097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Rename of '%s' to '%s' failed (%s)", asecFilename1, asecFilename2, strerror(errno)); 431048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 432048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 433048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 434048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 435048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 436048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return 0; 437048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 438048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatout_err: 439048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 440048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 441048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return -1; 442048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat} 443048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 444fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root#define UNMOUNT_RETRIES 5 445fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root#define UNMOUNT_SLEEP_BETWEEN_RETRY_MS (1000 * 1000) 4464ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::unmountAsec(const char *id, bool force) { 447a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 448a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 449a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 4503bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 4513bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 452a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 453d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 454d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 45597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 456d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 457d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 458d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 459fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return unmountLoopImage(id, idHash, asecFileName, mountPoint, force); 460fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root} 461fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 462508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Rootint VolumeManager::unmountObb(const char *fileName, bool force) { 463fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char mountPoint[255]; 464fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 465fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char idHash[33]; 466fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (!asecHash(fileName, idHash, sizeof(idHash))) { 467fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Hash of '%s' failed (%s)", fileName, strerror(errno)); 468fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 469fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 470fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 471fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::LOOPDIR, idHash); 472fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 473fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return unmountLoopImage(fileName, idHash, fileName, mountPoint, force); 474fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root} 475fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 476fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Rootint VolumeManager::unmountLoopImage(const char *id, const char *idHash, 477fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root const char *fileName, const char *mountPoint, bool force) { 4780586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (!isMountpointMounted(mountPoint)) { 479fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Unmount request for %s when not mounted", id); 480918e5f9f10b9c1ff929683743ffbf229027ce240Kenny Root errno = ENOENT; 481b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 482b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 48323969931fad6e993832208f099f6eea0f6f76eb5San Mehat 484b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int i, rc; 485fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root for (i = 1; i <= UNMOUNT_RETRIES; i++) { 486b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = umount(mountPoint); 487b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (!rc) { 488b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 489a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 490b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc && (errno == EINVAL || errno == ENOENT)) { 491fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGI("Container %s unmounted OK", id); 492b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = 0; 493b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 494a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 495fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGW("%s unmount attempt %d failed (%s)", 4968c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat id, i, strerror(errno)); 4978c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 4984ba8948dc16463053e21cda5744f519a555080d0San Mehat int action = 0; // default is to just complain 4994ba8948dc16463053e21cda5744f519a555080d0San Mehat 5004ba8948dc16463053e21cda5744f519a555080d0San Mehat if (force) { 501fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (i > (UNMOUNT_RETRIES - 2)) 5024ba8948dc16463053e21cda5744f519a555080d0San Mehat action = 2; // SIGKILL 503fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root else if (i > (UNMOUNT_RETRIES - 3)) 5044ba8948dc16463053e21cda5744f519a555080d0San Mehat action = 1; // SIGHUP 5054ba8948dc16463053e21cda5744f519a555080d0San Mehat } 5068c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 507586536c60b773e3517531ad8a6cb0de6722c67fcSan Mehat Process::killProcessesWithOpenFiles(mountPoint, action); 508fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root usleep(UNMOUNT_SLEEP_BETWEEN_RETRY_MS); 509b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 510b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 511b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc) { 5124ba8948dc16463053e21cda5744f519a555080d0San Mehat errno = EBUSY; 51397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to unmount container %s (%s)", id, strerror(errno)); 514b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 515b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 516b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 51712f4b89046b54de1bdc188b7057ba77d7566e573San Mehat int retries = 10; 51812f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 51912f4b89046b54de1bdc188b7057ba77d7566e573San Mehat while(retries--) { 52012f4b89046b54de1bdc188b7057ba77d7566e573San Mehat if (!rmdir(mountPoint)) { 52112f4b89046b54de1bdc188b7057ba77d7566e573San Mehat break; 52212f4b89046b54de1bdc188b7057ba77d7566e573San Mehat } 52312f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 52497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Failed to rmdir %s (%s)", mountPoint, strerror(errno)); 525fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root usleep(UNMOUNT_SLEEP_BETWEEN_RETRY_MS); 52612f4b89046b54de1bdc188b7057ba77d7566e573San Mehat } 52712f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 52812f4b89046b54de1bdc188b7057ba77d7566e573San Mehat if (!retries) { 52997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Timed out trying to rmdir %s (%s)", mountPoint, strerror(errno)); 530f5c61980969a0b49bda37b5dc94ffe675ebd5a5aSan Mehat } 53188705166ab82057090a070c6d4200c3d9db76f11San Mehat 532d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::destroy(idHash) && errno != ENXIO) { 53397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to destroy devmapper instance (%s)", strerror(errno)); 534a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 535a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 536a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 537d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 538a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 539d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } else { 540fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGW("Failed to find loop device for {%s} (%s)", fileName, strerror(errno)); 541a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 54288705166ab82057090a070c6d4200c3d9db76f11San Mehat 54388705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it; 54488705166ab82057090a070c6d4200c3d9db76f11San Mehat for (it = mActiveContainers->begin(); it != mActiveContainers->end(); ++it) { 545cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root ContainerData* cd = *it; 546cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root if (!strcmp(cd->id, id)) { 54788705166ab82057090a070c6d4200c3d9db76f11San Mehat free(*it); 54888705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->erase(it); 54988705166ab82057090a070c6d4200c3d9db76f11San Mehat break; 55088705166ab82057090a070c6d4200c3d9db76f11San Mehat } 55188705166ab82057090a070c6d4200c3d9db76f11San Mehat } 55288705166ab82057090a070c6d4200c3d9db76f11San Mehat if (it == mActiveContainers->end()) { 55397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("mActiveContainers is inconsistent!"); 55488705166ab82057090a070c6d4200c3d9db76f11San Mehat } 555b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return 0; 556b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat} 557b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 5584ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::destroyAsec(const char *id, bool force) { 559b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char asecFileName[255]; 560b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char mountPoint[255]; 561b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 5623bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 56355013f7131ffe094e1c7d929cfc32b3b25096a9bSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 564b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 5650586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (isMountpointMounted(mountPoint)) { 566d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 56797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Unmounting container before destroy"); 568d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 5694ba8948dc16463053e21cda5744f519a555080d0San Mehat if (unmountAsec(id, force)) { 57097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to unmount asec %s for destroy (%s)", id, strerror(errno)); 5710586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 5720586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 5730586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 574a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 5750586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unlink(asecFileName)) { 57697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to unlink asec '%s' (%s)", asecFileName, strerror(errno)); 5770586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 5780586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 579a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 580d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 58197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("ASEC %s destroyed", id); 582d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 583a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 584a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 585a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 586a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::mountAsec(const char *id, const char *key, int ownerUid) { 587a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 588a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 589a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 5903bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 5913bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 592a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 593a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (isMountpointMounted(mountPoint)) { 59497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC %s already mounted", id); 595a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EBUSY; 596a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 597a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 598a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 599d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 600d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 60197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 602d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 603d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 6047b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root 605a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 606d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 607d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::create(idHash, asecFileName, loopDevice, sizeof(loopDevice))) { 60897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC loop device creation failed (%s)", strerror(errno)); 609a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 610a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 611d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 61297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("New loop device created at %s", loopDevice); 613d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 614b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 615d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 61697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Found active loopback for %s at %s", asecFileName, loopDevice); 617d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 618b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 619b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 620b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 621b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 622fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat int fd; 623fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unsigned int nr_sec = 0; 624b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 625fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if ((fd = open(loopDevice, O_RDWR)) < 0) { 62697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to open loopdevice (%s)", strerror(errno)); 627fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 628fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 629fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 630b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 631fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (ioctl(fd, BLKGETSIZE, &nr_sec)) { 63297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to get loop size (%s)", strerror(errno)); 633fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 634fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 635fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 636fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 637fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 638fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat /* 639fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat * Validate superblock 640fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat */ 641fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat struct asec_superblock sb; 642fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat memset(&sb, 0, sizeof(sb)); 643fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (lseek(fd, ((nr_sec-1) * 512), SEEK_SET) < 0) { 64497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("lseek failed (%s)", strerror(errno)); 645fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 646fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 647fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 648fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 649fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (read(fd, &sb, sizeof(sb)) != sizeof(sb)) { 65097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("superblock read failed (%s)", strerror(errno)); 651fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 652fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 653fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 654fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 655fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 656fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 657fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 658d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 65997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Container sb magic/ver (%.8x/%.2x)", sb.magic, sb.ver); 660d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 661fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (sb.magic != ASEC_SB_MAGIC || sb.ver != ASEC_SB_VER) { 66297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Bad container magic/version (%.8x/%.2x)", sb.magic, sb.ver); 663fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 664fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat errno = EMEDIUMTYPE; 665fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 666fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 667fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat nr_sec--; // We don't want the devmapping to extend onto our superblock 668fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 669fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (strcmp(key, "none")) { 670d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::lookupActive(idHash, dmDevice, sizeof(dmDevice))) { 671d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::create(idHash, loopDevice, key, nr_sec, 672b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat dmDevice, sizeof(dmDevice))) { 67397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC device mapping failed (%s)", strerror(errno)); 674b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 675b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 676b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 677d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 67897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("New devmapper instance created at %s", dmDevice); 679d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 680b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 681d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 68297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Found active devmapper for %s at %s", asecFileName, dmDevice); 683d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 684b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 685b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 686b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 687b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 688a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 689a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 690a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 691b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (errno != EEXIST) { 69297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Mountpoint creation failed (%s)", strerror(errno)); 693b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 694d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 695b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 696b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 697b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 698b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 699a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 700a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 701a3e06084564c86ff618c40f185f3676b8b629b94Kenny Root if (Fat::doMount(dmDevice, mountPoint, true, false, true, ownerUid, 0, 702cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0222, false)) { 703cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0227, false)) { 70497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC mount failed (%s)", strerror(errno)); 705b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 706d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 707b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 708b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 709a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 710a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 711a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 712cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root mActiveContainers->push_back(new ContainerData(strdup(id), ASEC)); 713d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 71497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("ASEC %s mounted", id); 715d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 716a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 717a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 718a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 719fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root/** 720fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root * Mounts an image file <code>img</code>. 721fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root */ 722508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Rootint VolumeManager::mountObb(const char *img, const char *key, int ownerUid) { 723fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char mountPoint[255]; 724fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 725fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char idHash[33]; 726fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (!asecHash(img, idHash, sizeof(idHash))) { 727fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Hash of '%s' failed (%s)", img, strerror(errno)); 728fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 729fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 730fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 731fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::LOOPDIR, idHash); 732fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 733fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (isMountpointMounted(mountPoint)) { 734fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Image %s already mounted", img); 735fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root errno = EBUSY; 736fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 737fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 738fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 739fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char loopDevice[255]; 740fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 741fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (Loop::create(idHash, img, loopDevice, sizeof(loopDevice))) { 742fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Image loop device creation failed (%s)", strerror(errno)); 743fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 744fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 745fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mDebug) { 746fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGD("New loop device created at %s", loopDevice); 747fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 748fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } else { 749fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mDebug) { 750fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGD("Found active loopback for %s at %s", img, loopDevice); 751fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 752fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 753fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 754fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char dmDevice[255]; 755fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root bool cleanupDm = false; 756fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root int fd; 757fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root unsigned int nr_sec = 0; 758fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 759fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if ((fd = open(loopDevice, O_RDWR)) < 0) { 760fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Failed to open loopdevice (%s)", strerror(errno)); 761fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Loop::destroyByDevice(loopDevice); 762fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 763fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 764fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 765fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (ioctl(fd, BLKGETSIZE, &nr_sec)) { 766fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Failed to get loop size (%s)", strerror(errno)); 767fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Loop::destroyByDevice(loopDevice); 768fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root close(fd); 769fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 770fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 771fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 772fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root close(fd); 773fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 774fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (strcmp(key, "none")) { 775fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (Devmapper::lookupActive(idHash, dmDevice, sizeof(dmDevice))) { 776fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (Devmapper::create(idHash, loopDevice, key, nr_sec, 777fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root dmDevice, sizeof(dmDevice))) { 778fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("ASEC device mapping failed (%s)", strerror(errno)); 779fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Loop::destroyByDevice(loopDevice); 780fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 781fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 782fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mDebug) { 783fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGD("New devmapper instance created at %s", dmDevice); 784fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 785fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } else { 786fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mDebug) { 787fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGD("Found active devmapper for %s at %s", img, dmDevice); 788fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 789fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 790fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root cleanupDm = true; 791fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } else { 792fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root strcpy(dmDevice, loopDevice); 793fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 794fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 795fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mkdir(mountPoint, 0755)) { 796fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (errno != EEXIST) { 797fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Mountpoint creation failed (%s)", strerror(errno)); 798fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (cleanupDm) { 799fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Devmapper::destroy(idHash); 800fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 801fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Loop::destroyByDevice(loopDevice); 802fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 803fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 804fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 805fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 806a3e06084564c86ff618c40f185f3676b8b629b94Kenny Root if (Fat::doMount(dmDevice, mountPoint, true, false, true, ownerUid, 0, 807fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 0227, false)) { 808fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Image mount failed (%s)", strerror(errno)); 809fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (cleanupDm) { 810fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Devmapper::destroy(idHash); 811fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 812fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Loop::destroyByDevice(loopDevice); 813fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 814fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 815fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 816cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root mActiveContainers->push_back(new ContainerData(strdup(img), OBB)); 817fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mDebug) { 818fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGD("Image %s mounted", img); 819fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 820fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return 0; 821fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root} 822fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 82349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::mountVolume(const char *label) { 82449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 82549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 82649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 82749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 82849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 82949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 83049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 831a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->mountVol(); 832a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 833a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 834508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Rootint VolumeManager::listMountedObbs(SocketClient* cli) { 835508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char device[256]; 836508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char mount_path[256]; 837508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char rest[256]; 838508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root FILE *fp; 839508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char line[1024]; 840508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 841508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (!(fp = fopen("/proc/mounts", "r"))) { 842508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root SLOGE("Error opening /proc/mounts (%s)", strerror(errno)); 843508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root return -1; 844508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 845508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 846508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root // Create a string to compare against that has a trailing slash 847508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root int loopDirLen = sizeof(Volume::LOOPDIR); 848508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char loopDir[loopDirLen + 2]; 849508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root strcpy(loopDir, Volume::LOOPDIR); 850508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root loopDir[loopDirLen++] = '/'; 851508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root loopDir[loopDirLen] = '\0'; 852508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 853508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root while(fgets(line, sizeof(line), fp)) { 854508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root line[strlen(line)-1] = '\0'; 855508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 856508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root /* 857508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root * Should look like: 858508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root * /dev/block/loop0 /mnt/obb/fc99df1323fd36424f864dcb76b76d65 ... 859508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root */ 860508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root sscanf(line, "%255s %255s %255s\n", device, mount_path, rest); 861508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 862508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (!strncmp(mount_path, loopDir, loopDirLen)) { 863508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root int fd = open(device, O_RDONLY); 864508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (fd >= 0) { 865508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root struct loop_info64 li; 866508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (ioctl(fd, LOOP_GET_STATUS64, &li) >= 0) { 867508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root cli->sendMsg(ResponseCode::AsecListResult, 868508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root (const char*) li.lo_file_name, false); 869508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 870508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root close(fd); 871508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 872508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 873508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 874508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 875508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root fclose(fp); 876508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root return 0; 877508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root} 878508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 879eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehatint VolumeManager::shareEnabled(const char *label, const char *method, bool *enabled) { 880eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat Volume *v = lookupVolume(label); 881eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 882eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (!v) { 883eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOENT; 884eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 885eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 886eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 887eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (strcmp(method, "ums")) { 888eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOSYS; 889eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 890eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 891eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 892eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (v->getState() != Volume::State_Shared) { 893eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat *enabled = false; 894b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat } else { 895b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat *enabled = true; 896eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 897eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return 0; 898eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat} 899eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 900a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareVolume(const char *label, const char *method) { 901a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 902a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 903a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 904a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 905a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 906a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 907a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 908a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat /* 909a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Eventually, we'll want to support additional share back-ends, 910a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * some of which may work while the media is mounted. For now, 911a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * we just support UMS 912a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 913a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 914a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 915a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 916a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 917a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 918a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 919a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 920a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 921a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 922a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 92349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Idle) { 924a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // You need to unmount manually befoe sharing 92549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 92649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 92749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 92849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 9292dfe297ec47559dbe2297a72bea71cf515c03797Mike Lockwood dev_t d = v->getShareDevice(); 930a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if ((MAJOR(d) == 0) && (MINOR(d) == 0)) { 931a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // This volume does not support raw disk access 932a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 933a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 934a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 935a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 936a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 937a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 938a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 939a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 940a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 941a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 94297f2fc110b2ace7914671c2f5852379bd78922e4Mike Lockwood if ((fd = open(MASS_STORAGE_FILE_PATH, O_WRONLY)) < 0) { 94397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to open ums lunfile (%s)", strerror(errno)); 944a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 945a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 946a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 947a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, nodepath, strlen(nodepath)) < 0) { 94897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 949a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 950a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 951a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 952a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 953a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 954a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeShared(); 955a28056b38275003895ff5d9576681aca01544822Mike Lockwood if (mUmsSharingCount++ == 0) { 956a28056b38275003895ff5d9576681aca01544822Mike Lockwood FILE* fp; 957a28056b38275003895ff5d9576681aca01544822Mike Lockwood mSavedDirtyRatio = -1; // in case we fail 958a28056b38275003895ff5d9576681aca01544822Mike Lockwood if ((fp = fopen("/proc/sys/vm/dirty_ratio", "r+"))) { 959a28056b38275003895ff5d9576681aca01544822Mike Lockwood char line[16]; 960a28056b38275003895ff5d9576681aca01544822Mike Lockwood if (fgets(line, sizeof(line), fp) && sscanf(line, "%d", &mSavedDirtyRatio)) { 961a28056b38275003895ff5d9576681aca01544822Mike Lockwood fprintf(fp, "%d\n", mUmsDirtyRatio); 962a28056b38275003895ff5d9576681aca01544822Mike Lockwood } else { 963a28056b38275003895ff5d9576681aca01544822Mike Lockwood SLOGE("Failed to read dirty_ratio (%s)", strerror(errno)); 964a28056b38275003895ff5d9576681aca01544822Mike Lockwood } 965a28056b38275003895ff5d9576681aca01544822Mike Lockwood fclose(fp); 966a28056b38275003895ff5d9576681aca01544822Mike Lockwood } else { 967a28056b38275003895ff5d9576681aca01544822Mike Lockwood SLOGE("Failed to open /proc/sys/vm/dirty_ratio (%s)", strerror(errno)); 968a28056b38275003895ff5d9576681aca01544822Mike Lockwood } 969a28056b38275003895ff5d9576681aca01544822Mike Lockwood } 970a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 971a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 972a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 973a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::unshareVolume(const char *label, const char *method) { 974a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 975a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 976a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 977a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 978a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 979a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 980a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 981a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 982a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 983a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 984a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 985a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 986a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() != Volume::State_Shared) { 987a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 988a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 989a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 990a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 991a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 99297f2fc110b2ace7914671c2f5852379bd78922e4Mike Lockwood if ((fd = open(MASS_STORAGE_FILE_PATH, O_WRONLY)) < 0) { 99397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to open ums lunfile (%s)", strerror(errno)); 994a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 995a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 996a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 997a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char ch = 0; 998a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, &ch, 1) < 0) { 99997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 1000a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 1001a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1002a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1003a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1004a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 1005a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeUnshared(); 1006a28056b38275003895ff5d9576681aca01544822Mike Lockwood if (--mUmsSharingCount == 0 && mSavedDirtyRatio != -1) { 1007a28056b38275003895ff5d9576681aca01544822Mike Lockwood FILE* fp; 1008a28056b38275003895ff5d9576681aca01544822Mike Lockwood if ((fp = fopen("/proc/sys/vm/dirty_ratio", "r+"))) { 1009a28056b38275003895ff5d9576681aca01544822Mike Lockwood fprintf(fp, "%d\n", mSavedDirtyRatio); 1010a28056b38275003895ff5d9576681aca01544822Mike Lockwood fclose(fp); 1011a28056b38275003895ff5d9576681aca01544822Mike Lockwood } else { 1012a28056b38275003895ff5d9576681aca01544822Mike Lockwood SLOGE("Failed to open /proc/sys/vm/dirty_ratio (%s)", strerror(errno)); 1013a28056b38275003895ff5d9576681aca01544822Mike Lockwood } 1014a28056b38275003895ff5d9576681aca01544822Mike Lockwood mSavedDirtyRatio = -1; 1015a28056b38275003895ff5d9576681aca01544822Mike Lockwood } 1016a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 101749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 101849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 101929d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrallextern "C" int vold_unmountVol(const char *label) { 102029d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall VolumeManager *vm = VolumeManager::Instance(); 102129d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall return vm->unmountVolume(label, true); 102229d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall} 102329d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 102429d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrallextern "C" int vold_getNumDirectVolumes(void) { 102529d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall VolumeManager *vm = VolumeManager::Instance(); 102629d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall return vm->getNumDirectVolumes(); 102729d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall} 102829d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 102929d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrallint VolumeManager::getNumDirectVolumes(void) { 103029d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall VolumeCollection::iterator i; 103129d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall int n=0; 103229d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 103329d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 103429d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall if ((*i)->getShareDevice() != (dev_t)0) { 103529d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall n++; 103629d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall } 103729d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall } 103829d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall return n; 103929d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall} 104029d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 104129d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrallextern "C" int vold_getDirectVolumeList(struct volume_info *vol_list) { 104229d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall VolumeManager *vm = VolumeManager::Instance(); 104329d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall return vm->getDirectVolumeList(vol_list); 104429d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall} 104529d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 104629d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrallint VolumeManager::getDirectVolumeList(struct volume_info *vol_list) { 104729d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall VolumeCollection::iterator i; 104829d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall int n=0; 104929d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall dev_t d; 105029d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 105129d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 105229d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall if ((d=(*i)->getShareDevice()) != (dev_t)0) { 105329d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall (*i)->getVolInfo(&vol_list[n]); 105429d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall snprintf(vol_list[n].blk_dev, sizeof(vol_list[n].blk_dev), 105529d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall "/dev/block/vold/%d:%d",MAJOR(d), MINOR(d)); 105629d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall n++; 105729d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall } 105829d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall } 105929d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 106029d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall return 0; 106129d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall} 106229d8da8cefa99e436c13295d4c9bad060ca18a6dKen Sumrall 10634ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::unmountVolume(const char *label, bool force) { 106449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 106549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 106649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 106749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 106849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 106949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 107049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 1071a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 1072a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 1073a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1074a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1075a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 107649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Mounted) { 107797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Attempt to unmount volume which isn't mounted (%d)\n", 1078a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->getState()); 107949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 1080319b1043bbbd410aa2d572d88b5936f26072d026Ken Sumrall return UNMOUNT_NOT_MOUNTED_ERR; 108149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 108249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 10831a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat cleanupAsec(v, force); 108488705166ab82057090a070c6d4200c3d9db76f11San Mehat 10854ba8948dc16463053e21cda5744f519a555080d0San Mehat return v->unmountVol(force); 108649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 108749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 1088a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat/* 1089a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Looks up a volume by it's label or mount-point 1090a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 109149e2bce5b74129c26a35e25d4693cbfe98c4688eSan MehatVolume *VolumeManager::lookupVolume(const char *label) { 109249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat VolumeCollection::iterator i; 109349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 109449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 1095a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (label[0] == '/') { 1096a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getMountpoint())) 1097a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 1098a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 1099a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getLabel())) 1100a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 1101a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 110249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 110349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return NULL; 110449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 1105a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1106a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatbool VolumeManager::isMountpointMounted(const char *mp) 1107a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat{ 1108a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char device[256]; 1109a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mount_path[256]; 1110a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char rest[256]; 1111a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat FILE *fp; 1112a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char line[1024]; 1113a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1114a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!(fp = fopen("/proc/mounts", "r"))) { 111597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Error opening /proc/mounts (%s)", strerror(errno)); 1116a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 1117a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 1118a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1119a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat while(fgets(line, sizeof(line), fp)) { 1120a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat line[strlen(line)-1] = '\0'; 1121a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat sscanf(line, "%255s %255s %255s\n", device, mount_path, rest); 1122a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!strcmp(mount_path, mp)) { 1123a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 1124a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return true; 1125a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 1126a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 1127a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1128a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 1129a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 1130a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 1131a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 11321a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehatint VolumeManager::cleanupAsec(Volume *v, bool force) { 11331a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat while(mActiveContainers->size()) { 11341a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat AsecIdCollection::iterator it = mActiveContainers->begin(); 1135cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root ContainerData* cd = *it; 1136cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root SLOGI("Unmounting ASEC %s (dependant on %s)", cd->id, v->getMountpoint()); 1137cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root if (cd->type == ASEC) { 1138cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root if (unmountAsec(cd->id, force)) { 1139cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root SLOGE("Failed to unmount ASEC %s (%s)", cd->id, strerror(errno)); 1140cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root return -1; 1141cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root } 1142cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root } else if (cd->type == OBB) { 1143cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root if (unmountObb(cd->id, force)) { 1144cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root SLOGE("Failed to unmount OBB %s (%s)", cd->id, strerror(errno)); 1145cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root return -1; 1146cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root } 1147cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root } else { 1148cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root SLOGE("Unknown container type %d!", cd->type); 11491a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat return -1; 11501a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat } 11511a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat } 11521a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat return 0; 11531a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat} 11541a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat 1155