VolumeManager.cpp revision acc9e7dcca8978fc809fa5b4d9b819c515a980ff
1f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat/* 2f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Copyright (C) 2008 The Android Open Source Project 3f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 4f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Licensed under the Apache License, Version 2.0 (the "License"); 5f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * you may not use this file except in compliance with the License. 6f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * You may obtain a copy of the License at 7f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 8f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * http://www.apache.org/licenses/LICENSE-2.0 9f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 10f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Unless required by applicable law or agreed to in writing, software 11f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * distributed under the License is distributed on an "AS IS" BASIS, 12f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * See the License for the specific language governing permissions and 14f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * limitations under the License. 15f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat */ 16f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 17f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <stdio.h> 18fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat#include <stdlib.h> 19fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat#include <string.h> 20f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <errno.h> 21a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#include <fcntl.h> 22a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include <sys/stat.h> 23a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include <sys/types.h> 24a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include <sys/mount.h> 25a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 26a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#include <linux/kdev_t.h> 27f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 28f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#define LOG_TAG "Vold" 29f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 307b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root#include <openssl/md5.h> 317b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root 32f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <cutils/log.h> 33f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 34fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat#include <sysutils/NetlinkEvent.h> 35fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat 36f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include "VolumeManager.h" 37ae10b91044bf76b40b77d81c169e48e0bbdf6d75San Mehat#include "DirectVolume.h" 38a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#include "ResponseCode.h" 39a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include "Loop.h" 40a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat#include "Fat.h" 41b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat#include "Devmapper.h" 42586536c60b773e3517531ad8a6cb0de6722c67fcSan Mehat#include "Process.h" 43fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat#include "Asec.h" 4423969931fad6e993832208f099f6eea0f6f76eb5San Mehat 45f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager *VolumeManager::sInstance = NULL; 46f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 47f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager *VolumeManager::Instance() { 48f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!sInstance) 49f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat sInstance = new VolumeManager(); 50f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return sInstance; 51f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 52f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 53f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager::VolumeManager() { 54d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat mDebug = false; 55f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mVolumes = new VolumeCollection(); 5688705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers = new AsecIdCollection(); 57f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mBroadcaster = NULL; 58a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = false; 59f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 60f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 61f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager::~VolumeManager() { 6288705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mVolumes; 6388705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mActiveContainers; 64f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 65f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 66d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehatchar *VolumeManager::asecHash(const char *id, char *buffer, size_t len) { 67acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root static const char* digits = "0123456789abcdef"; 68acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root 697b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root unsigned char sig[MD5_DIGEST_LENGTH]; 70d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 71acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root if (buffer == NULL) { 72acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root SLOGE("Destination buffer is NULL"); 73acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root errno = ESPIPE; 74acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root return NULL; 75acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root } else if (id == NULL) { 76acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root SLOGE("Source buffer is NULL"); 77acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root errno = ESPIPE; 78acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root return NULL; 79acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root } else if (len < MD5_ASCII_LENGTH_PLUS_NULL) { 80acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root SLOGE("Target hash buffer size < %d bytes (%d)", 81acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root MD5_ASCII_LENGTH_PLUS_NULL, len); 82d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat errno = ESPIPE; 83d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return NULL; 84d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 857b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root 867b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root MD5(reinterpret_cast<const unsigned char*>(id), strlen(id), sig); 87d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 88acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root char *p = buffer; 897b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root for (int i = 0; i < MD5_DIGEST_LENGTH; i++) { 90acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root *p++ = digits[sig[i] >> 4]; 91acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root *p++ = digits[sig[i] & 0x0F]; 92d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 93acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root *p = '\0'; 94d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 95d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return buffer; 96d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat} 97d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 98d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehatvoid VolumeManager::setDebug(bool enable) { 99d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat mDebug = enable; 100d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat VolumeCollection::iterator it; 101d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat for (it = mVolumes->begin(); it != mVolumes->end(); ++it) { 102d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat (*it)->setDebug(enable); 103d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 104d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat} 105d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 106f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::start() { 107f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 108f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 109f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 110f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::stop() { 111f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 112f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 113f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 114f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::addVolume(Volume *v) { 115f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mVolumes->push_back(v); 116f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 117f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 118f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 119a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatvoid VolumeManager::notifyUmsConnected(bool connected) { 120a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char msg[255]; 121a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 122a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (connected) { 123a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = true; 124a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 125a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat mUsbMassStorageConnected = false; 126a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 127a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(msg, sizeof(msg), "Share method ums now %s", 128a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat (connected ? "available" : "unavailable")); 129a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 130a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat getBroadcaster()->sendBroadcast(ResponseCode::ShareAvailabilityChange, 131a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat msg, false); 132a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 133a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 134a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatvoid VolumeManager::handleSwitchEvent(NetlinkEvent *evt) { 1350cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat const char *devpath = evt->findParam("DEVPATH"); 136a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat const char *name = evt->findParam("SWITCH_NAME"); 137a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat const char *state = evt->findParam("SWITCH_STATE"); 138a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1390cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if (!name || !state) { 14097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Switch %s event missing name/state info", devpath); 1410cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat return; 1420cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat } 1430cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat 144a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(name, "usb_mass_storage")) { 145a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 146a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(state, "online")) { 147a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(true); 148a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 149a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(false); 150a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 151a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 15297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Ignoring unknown switch '%s'", name); 153a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 154a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 155a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 156fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehatvoid VolumeManager::handleBlockEvent(NetlinkEvent *evt) { 157fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat const char *devpath = evt->findParam("DEVPATH"); 158f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 159fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat /* Lookup a volume to handle this device */ 160f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator it; 161f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat bool hit = false; 162f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (it = mVolumes->begin(); it != mVolumes->end(); ++it) { 163fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat if (!(*it)->handleBlockEvent(evt)) { 164a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 16597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Device '%s' event handled by volume %s\n", devpath, (*it)->getLabel()); 166a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 167f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat hit = true; 168f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat break; 169f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 170f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 171f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 172f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!hit) { 173a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 17497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("No volumes handled block event for '%s'", devpath); 175a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 176f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 177f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 178f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 179f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::listVolumes(SocketClient *cli) { 180f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator i; 181f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 182f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 183f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *buffer; 184f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat asprintf(&buffer, "%s %s %d", 185f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getLabel(), (*i)->getMountpoint(), 186f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getState()); 187a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::VolumeListResult, buffer, false); 188f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat free(buffer); 189f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 190a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::CommandOkay, "Volumes listed.", false); 191f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 192f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 19349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 194a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::formatVolume(const char *label) { 195a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 196a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 197a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 198a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 199a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 200a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 201a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 202a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->formatVol(); 203a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 204a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 205a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::getAsecMountPath(const char *id, char *buffer, int maxlen) { 20688ac2c06539485942bf414efda2d39647fa1a415San Mehat char asecFileName[255]; 20788ac2c06539485942bf414efda2d39647fa1a415San Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 20888ac2c06539485942bf414efda2d39647fa1a415San Mehat 20988ac2c06539485942bf414efda2d39647fa1a415San Mehat memset(buffer, 0, maxlen); 21088ac2c06539485942bf414efda2d39647fa1a415San Mehat if (access(asecFileName, F_OK)) { 21188ac2c06539485942bf414efda2d39647fa1a415San Mehat errno = ENOENT; 21288ac2c06539485942bf414efda2d39647fa1a415San Mehat return -1; 21388ac2c06539485942bf414efda2d39647fa1a415San Mehat } 214a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 2153bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(buffer, maxlen, "%s/%s", Volume::ASECDIR, id); 216a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 217a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 218a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 2198b8f71b1d760411279f3b07a5c97709f052c689eSan Mehatint VolumeManager::createAsec(const char *id, unsigned int numSectors, 220a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat const char *fstype, const char *key, int ownerUid) { 221fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat struct asec_superblock sb; 222fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat memset(&sb, 0, sizeof(sb)); 223fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 224fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.magic = ASEC_SB_MAGIC; 225fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.ver = ASEC_SB_VER; 226a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 227d31e380bd9689dd9629b510ffe324707e261b439San Mehat if (numSectors < ((1024*1024)/512)) { 22897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Invalid container size specified (%d sectors)", numSectors); 229d31e380bd9689dd9629b510ffe324707e261b439San Mehat errno = EINVAL; 230d31e380bd9689dd9629b510ffe324707e261b439San Mehat return -1; 231d31e380bd9689dd9629b510ffe324707e261b439San Mehat } 232d31e380bd9689dd9629b510ffe324707e261b439San Mehat 233a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (lookupVolume(id)) { 23497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC id '%s' currently exists", id); 235a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 236a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 237a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 238a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 239a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 2403bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 241a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 242a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!access(asecFileName, F_OK)) { 24397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC file '%s' currently exists - destroy it first! (%s)", 244a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat asecFileName, strerror(errno)); 245a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 246a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 247a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 248a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 249fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat /* 250fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat * Add some headroom 251fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat */ 252fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unsigned fatSize = (((numSectors * 4) / 512) + 1) * 2; 253fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unsigned numImgSectors = numSectors + fatSize + 2; 254fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 255fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (numImgSectors % 63) { 256fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat numImgSectors += (63 - (numImgSectors % 63)); 257fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 258fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 259fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat // Add +1 for our superblock which is at the end 260fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (Loop::createImageFile(asecFileName, numImgSectors + 1)) { 26197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC image file creation failed (%s)", strerror(errno)); 262a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 263a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 264a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 265d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 266d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 26797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 268d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat unlink(asecFileName); 269d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 270d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 271d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 272a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 273d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::create(idHash, asecFileName, loopDevice, sizeof(loopDevice))) { 27497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC loop device creation failed (%s)", strerror(errno)); 275a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 276a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 277a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 278a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 279b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 280b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 281a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 282b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 283fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat // XXX: This is all we support for now 284fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.c_cipher = ASEC_SB_C_CIPHER_TWOFISH; 285d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::create(idHash, loopDevice, key, numImgSectors, dmDevice, 286b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat sizeof(dmDevice))) { 28797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC device mapping failed (%s)", strerror(errno)); 288b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 289b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unlink(asecFileName); 290b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 291b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 292b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 293b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 294fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.c_cipher = ASEC_SB_C_CIPHER_NONE; 295b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 296b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 297b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 298fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat /* 299fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat * Drop down the superblock at the end of the file 300fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat */ 301fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 302fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat int sbfd = open(loopDevice, O_RDWR); 303fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (sbfd < 0) { 30497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to open new DM device for superblock write (%s)", strerror(errno)); 305fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (cleanupDm) { 306d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 307fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 308fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 309fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unlink(asecFileName); 310fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 311fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 312fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 313fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (lseek(sbfd, (numImgSectors * 512), SEEK_SET) < 0) { 314fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(sbfd); 31597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to lseek for superblock (%s)", strerror(errno)); 316fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (cleanupDm) { 317d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 318fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 319fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 320fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unlink(asecFileName); 321fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 322fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 323fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 324fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (write(sbfd, &sb, sizeof(sb)) != sizeof(sb)) { 325fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(sbfd); 32697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to write superblock (%s)", strerror(errno)); 327fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (cleanupDm) { 328d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 329fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 330fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 331fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unlink(asecFileName); 332fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 333fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 334fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(sbfd); 335fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 336a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (strcmp(fstype, "none")) { 337a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (strcmp(fstype, "fat")) { 33897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Unknown fstype '%s' specified for container", fstype); 339b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 340a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 341fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (Fat::format(dmDevice, numImgSectors)) { 34297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC FAT format failed (%s)", strerror(errno)); 343b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 344d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 345b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 346eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat Loop::destroyByDevice(loopDevice); 347eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat unlink(asecFileName); 348eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat return -1; 349eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat } 350a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat char mountPoint[255]; 351a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat 352a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 353a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (mkdir(mountPoint, 0777)) { 354a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (errno != EEXIST) { 35597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Mountpoint creation failed (%s)", strerror(errno)); 356a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (cleanupDm) { 357d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 358a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 359a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat Loop::destroyByDevice(loopDevice); 360a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat unlink(asecFileName); 361a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat return -1; 362a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 363a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 364a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 365a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (Fat::doMount(dmDevice, mountPoint, false, false, ownerUid, 366a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat 0, 0000, false)) { 36797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC FAT mount failed (%s)", strerror(errno)); 368a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (cleanupDm) { 369d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 370a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 371a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat Loop::destroyByDevice(loopDevice); 372a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat unlink(asecFileName); 373a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat return -1; 374b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 375a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } else { 37697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGI("Created raw secure container %s (no filesystem)", id); 377a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 37888705166ab82057090a070c6d4200c3d9db76f11San Mehat 37988705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->push_back(strdup(id)); 380a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 381a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 382a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 383a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::finalizeAsec(const char *id) { 384a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 385a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 386a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 387a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 3883bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 389a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 390d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 391d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 39297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 393d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 394d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 395d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 396d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 39797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to finalize %s (%s)", id, strerror(errno)); 398a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 399a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 400a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 4013bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 402fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat // XXX: 403fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat if (Fat::doMount(loopDevice, mountPoint, true, true, 0, 0, 0227, false)) { 40497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC finalize mount failed (%s)", strerror(errno)); 405a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 406a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 407a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 408d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 40997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("ASEC %s finalized", id); 410d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 411a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 412a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 413a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 414048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatint VolumeManager::renameAsec(const char *id1, const char *id2) { 415048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename1; 416048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename2; 417048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char mountPoint[255]; 418048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 4193bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat asprintf(&asecFilename1, "%s/%s.asec", Volume::SEC_ASECDIR, id1); 4203bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat asprintf(&asecFilename2, "%s/%s.asec", Volume::SEC_ASECDIR, id2); 421048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 4223bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id1); 423048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (isMountpointMounted(mountPoint)) { 42497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Rename attempt when src mounted"); 425048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EBUSY; 426048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 427048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 428048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 42996956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id2); 43096956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat if (isMountpointMounted(mountPoint)) { 43197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Rename attempt when dst mounted"); 43296956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat errno = EBUSY; 43396956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat goto out_err; 43496956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat } 43596956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat 436048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (!access(asecFilename2, F_OK)) { 43797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Rename attempt when dst exists"); 438048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EADDRINUSE; 439048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 440048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 441048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 442048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (rename(asecFilename1, asecFilename2)) { 44397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Rename of '%s' to '%s' failed (%s)", asecFilename1, asecFilename2, strerror(errno)); 444048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 445048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 446048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 447048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 448048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 449048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return 0; 450048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 451048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatout_err: 452048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 453048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 454048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return -1; 455048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat} 456048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 4574ba8948dc16463053e21cda5744f519a555080d0San Mehat#define ASEC_UNMOUNT_RETRIES 5 4584ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::unmountAsec(const char *id, bool force) { 459a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 460a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 461a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 4623bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 4633bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 464a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 465d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 466d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 46797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 468d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 469d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 470d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 4710586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (!isMountpointMounted(mountPoint)) { 47297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unmount request for ASEC %s when not mounted", id); 473b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat errno = EINVAL; 474b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 475b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 47623969931fad6e993832208f099f6eea0f6f76eb5San Mehat 477b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int i, rc; 4788c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat for (i = 1; i <= ASEC_UNMOUNT_RETRIES; i++) { 479b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = umount(mountPoint); 480b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (!rc) { 481b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 482a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 483b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc && (errno == EINVAL || errno == ENOENT)) { 48497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGI("Secure container %s unmounted OK", id); 485b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = 0; 486b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 487a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 48897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("ASEC %s unmount attempt %d failed (%s)", 4898c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat id, i, strerror(errno)); 4908c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 4914ba8948dc16463053e21cda5744f519a555080d0San Mehat int action = 0; // default is to just complain 4924ba8948dc16463053e21cda5744f519a555080d0San Mehat 4934ba8948dc16463053e21cda5744f519a555080d0San Mehat if (force) { 4944ba8948dc16463053e21cda5744f519a555080d0San Mehat if (i > (ASEC_UNMOUNT_RETRIES - 2)) 4954ba8948dc16463053e21cda5744f519a555080d0San Mehat action = 2; // SIGKILL 4964ba8948dc16463053e21cda5744f519a555080d0San Mehat else if (i > (ASEC_UNMOUNT_RETRIES - 3)) 4974ba8948dc16463053e21cda5744f519a555080d0San Mehat action = 1; // SIGHUP 4984ba8948dc16463053e21cda5744f519a555080d0San Mehat } 4998c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 500586536c60b773e3517531ad8a6cb0de6722c67fcSan Mehat Process::killProcessesWithOpenFiles(mountPoint, action); 5018c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat usleep(1000 * 1000); 502b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 503b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 504b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc) { 5054ba8948dc16463053e21cda5744f519a555080d0San Mehat errno = EBUSY; 50697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to unmount container %s (%s)", id, strerror(errno)); 507b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 508b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 509b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 51012f4b89046b54de1bdc188b7057ba77d7566e573San Mehat int retries = 10; 51112f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 51212f4b89046b54de1bdc188b7057ba77d7566e573San Mehat while(retries--) { 51312f4b89046b54de1bdc188b7057ba77d7566e573San Mehat if (!rmdir(mountPoint)) { 51412f4b89046b54de1bdc188b7057ba77d7566e573San Mehat break; 51512f4b89046b54de1bdc188b7057ba77d7566e573San Mehat } 51612f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 51797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Failed to rmdir %s (%s)", mountPoint, strerror(errno)); 51812f4b89046b54de1bdc188b7057ba77d7566e573San Mehat usleep(1000 * 1000); 51912f4b89046b54de1bdc188b7057ba77d7566e573San Mehat } 52012f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 52112f4b89046b54de1bdc188b7057ba77d7566e573San Mehat if (!retries) { 52297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Timed out trying to rmdir %s (%s)", mountPoint, strerror(errno)); 523f5c61980969a0b49bda37b5dc94ffe675ebd5a5aSan Mehat } 52488705166ab82057090a070c6d4200c3d9db76f11San Mehat 525d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::destroy(idHash) && errno != ENXIO) { 52697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to destroy devmapper instance (%s)", strerror(errno)); 527a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 528a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 529a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 530d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 531a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 532d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } else { 53397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Failed to find loop device for {%s} (%s)", asecFileName, strerror(errno)); 534a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 53588705166ab82057090a070c6d4200c3d9db76f11San Mehat 53688705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it; 53788705166ab82057090a070c6d4200c3d9db76f11San Mehat for (it = mActiveContainers->begin(); it != mActiveContainers->end(); ++it) { 53888705166ab82057090a070c6d4200c3d9db76f11San Mehat if (!strcmp(*it, id)) { 53988705166ab82057090a070c6d4200c3d9db76f11San Mehat free(*it); 54088705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->erase(it); 54188705166ab82057090a070c6d4200c3d9db76f11San Mehat break; 54288705166ab82057090a070c6d4200c3d9db76f11San Mehat } 54388705166ab82057090a070c6d4200c3d9db76f11San Mehat } 54488705166ab82057090a070c6d4200c3d9db76f11San Mehat if (it == mActiveContainers->end()) { 54597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("mActiveContainers is inconsistent!"); 54688705166ab82057090a070c6d4200c3d9db76f11San Mehat } 547b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return 0; 548b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat} 549b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 5504ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::destroyAsec(const char *id, bool force) { 551b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char asecFileName[255]; 552b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char mountPoint[255]; 553b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 5543bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 55555013f7131ffe094e1c7d929cfc32b3b25096a9bSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 556b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 5570586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (isMountpointMounted(mountPoint)) { 558d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 55997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Unmounting container before destroy"); 560d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 5614ba8948dc16463053e21cda5744f519a555080d0San Mehat if (unmountAsec(id, force)) { 56297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to unmount asec %s for destroy (%s)", id, strerror(errno)); 5630586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 5640586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 5650586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 566a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 5670586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unlink(asecFileName)) { 56897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to unlink asec '%s' (%s)", asecFileName, strerror(errno)); 5690586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 5700586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 571a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 572d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 57397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("ASEC %s destroyed", id); 574d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 575a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 576a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 577a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 578a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::mountAsec(const char *id, const char *key, int ownerUid) { 579a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 580a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 581a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 5823bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 5833bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 584a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 585a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (isMountpointMounted(mountPoint)) { 58697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC %s already mounted", id); 587a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EBUSY; 588a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 589a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 590a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 591d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 592d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 59397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 594d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 595d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 5967b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root 597a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 598d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 599d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::create(idHash, asecFileName, loopDevice, sizeof(loopDevice))) { 60097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC loop device creation failed (%s)", strerror(errno)); 601a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 602a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 603d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 60497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("New loop device created at %s", loopDevice); 605d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 606b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 607d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 60897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Found active loopback for %s at %s", asecFileName, loopDevice); 609d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 610b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 611b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 612b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 613b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 614fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat int fd; 615fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unsigned int nr_sec = 0; 616b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 617fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if ((fd = open(loopDevice, O_RDWR)) < 0) { 61897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to open loopdevice (%s)", strerror(errno)); 619fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 620fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 621fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 622b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 623fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (ioctl(fd, BLKGETSIZE, &nr_sec)) { 62497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to get loop size (%s)", strerror(errno)); 625fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 626fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 627fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 628fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 629fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 630fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat /* 631fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat * Validate superblock 632fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat */ 633fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat struct asec_superblock sb; 634fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat memset(&sb, 0, sizeof(sb)); 635fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (lseek(fd, ((nr_sec-1) * 512), SEEK_SET) < 0) { 63697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("lseek failed (%s)", strerror(errno)); 637fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 638fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 639fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 640fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 641fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (read(fd, &sb, sizeof(sb)) != sizeof(sb)) { 64297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("superblock read failed (%s)", strerror(errno)); 643fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 644fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 645fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 646fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 647fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 648fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 649fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 650d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 65197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Container sb magic/ver (%.8x/%.2x)", sb.magic, sb.ver); 652d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 653fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (sb.magic != ASEC_SB_MAGIC || sb.ver != ASEC_SB_VER) { 65497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Bad container magic/version (%.8x/%.2x)", sb.magic, sb.ver); 655fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 656fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat errno = EMEDIUMTYPE; 657fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 658fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 659fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat nr_sec--; // We don't want the devmapping to extend onto our superblock 660fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 661fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (strcmp(key, "none")) { 662d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::lookupActive(idHash, dmDevice, sizeof(dmDevice))) { 663d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::create(idHash, loopDevice, key, nr_sec, 664b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat dmDevice, sizeof(dmDevice))) { 66597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC device mapping failed (%s)", strerror(errno)); 666b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 667b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 668b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 669d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 67097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("New devmapper instance created at %s", dmDevice); 671d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 672b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 673d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 67497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Found active devmapper for %s at %s", asecFileName, dmDevice); 675d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 676b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 677b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 678b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 679b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 680a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 681a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 682a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 683b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (errno != EEXIST) { 68497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Mountpoint creation failed (%s)", strerror(errno)); 685b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 686d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 687b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 688b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 689b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 690b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 691a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 692a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 693b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (Fat::doMount(dmDevice, mountPoint, true, false, ownerUid, 0, 694cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0222, false)) { 695cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0227, false)) { 69697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC mount failed (%s)", strerror(errno)); 697b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 698d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 699b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 700b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 701a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 702a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 703a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 70488705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->push_back(strdup(id)); 705d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 70697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("ASEC %s mounted", id); 707d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 708a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 709a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 710a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 71149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::mountVolume(const char *label) { 71249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 71349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 71449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 71549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 71649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 71749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 71849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 719a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->mountVol(); 720a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 721a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 722a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareAvailable(const char *method, bool *avail) { 723a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 724a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 725a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 726a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 727a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 728a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 729a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (mUsbMassStorageConnected) 730a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = true; 731a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat else 732a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat *avail = false; 733a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 734a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 735a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 736eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehatint VolumeManager::shareEnabled(const char *label, const char *method, bool *enabled) { 737eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat Volume *v = lookupVolume(label); 738eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 739eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (!v) { 740eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOENT; 741eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 742eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 743eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 744eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (strcmp(method, "ums")) { 745eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOSYS; 746eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 747eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 748eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 749eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (v->getState() != Volume::State_Shared) { 750eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat *enabled = false; 751b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat } else { 752b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat *enabled = true; 753eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 754eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return 0; 755eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat} 756eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 757a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::simulate(const char *cmd, const char *arg) { 758a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 759a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(cmd, "ums")) { 760a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(arg, "connect")) { 761a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(true); 762a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else if (!strcmp(arg, "disconnect")) { 763a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat notifyUmsConnected(false); 764a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 765a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 766a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 767a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 768a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 769a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 770a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 771a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 772a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 773a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 774a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 775a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareVolume(const char *label, const char *method) { 776a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 777a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 778a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 779a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 780a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 781a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 782a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 783a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat /* 784a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Eventually, we'll want to support additional share back-ends, 785a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * some of which may work while the media is mounted. For now, 786a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * we just support UMS 787a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 788a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 789a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 790a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 791a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 792a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 793a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 794a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 795a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 796a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 797a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 79849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Idle) { 799a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // You need to unmount manually befoe sharing 80049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 80149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 80249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 80349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 804a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 805a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if ((MAJOR(d) == 0) && (MINOR(d) == 0)) { 806a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // This volume does not support raw disk access 807a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 808a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 809a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 810a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 811a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 812a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 813a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 814a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 815a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 816a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 8170cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", 8180cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat O_WRONLY)) < 0) { 81997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to open ums lunfile (%s)", strerror(errno)); 820a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 821a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 822a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 823a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, nodepath, strlen(nodepath)) < 0) { 82497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 825a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 826a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 827a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 828a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 829a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 830a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeShared(); 831a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 832a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 833a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 834a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::unshareVolume(const char *label, const char *method) { 835a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 836a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 837a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 838a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 839a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 840a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 841a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 842a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 843a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 844a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 845a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 846a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 847a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() != Volume::State_Shared) { 848a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 849a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 850a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 851a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 852a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat dev_t d = v->getDiskDevice(); 853a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 854a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 855a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 856a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 857a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 858a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 859a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 8600cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", O_WRONLY)) < 0) { 86197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to open ums lunfile (%s)", strerror(errno)); 862a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 863a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 864a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 865a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char ch = 0; 866a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, &ch, 1) < 0) { 86797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 868a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 869a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 870a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 871a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 872a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 873a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeUnshared(); 874a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 87549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 87649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 8774ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::unmountVolume(const char *label, bool force) { 87849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 87949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 88049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 88149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 88249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 88349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 88449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 885a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 886a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 887a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 888a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 889a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 89049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Mounted) { 89197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Attempt to unmount volume which isn't mounted (%d)\n", 892a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->getState()); 89349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 89449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 89549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 89649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 8971a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat cleanupAsec(v, force); 89888705166ab82057090a070c6d4200c3d9db76f11San Mehat 8994ba8948dc16463053e21cda5744f519a555080d0San Mehat return v->unmountVol(force); 90049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 90149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 902a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat/* 903a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Looks up a volume by it's label or mount-point 904a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 90549e2bce5b74129c26a35e25d4693cbfe98c4688eSan MehatVolume *VolumeManager::lookupVolume(const char *label) { 90649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat VolumeCollection::iterator i; 90749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 90849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 909a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (label[0] == '/') { 910a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getMountpoint())) 911a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 912a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 913a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getLabel())) 914a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 915a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 91649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 91749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return NULL; 91849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 919a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 920a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatbool VolumeManager::isMountpointMounted(const char *mp) 921a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat{ 922a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char device[256]; 923a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mount_path[256]; 924a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char rest[256]; 925a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat FILE *fp; 926a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char line[1024]; 927a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 928a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!(fp = fopen("/proc/mounts", "r"))) { 92997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Error opening /proc/mounts (%s)", strerror(errno)); 930a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 931a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 932a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 933a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat while(fgets(line, sizeof(line), fp)) { 934a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat line[strlen(line)-1] = '\0'; 935a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat sscanf(line, "%255s %255s %255s\n", device, mount_path, rest); 936a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!strcmp(mount_path, mp)) { 937a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 938a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return true; 939a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 940a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 941a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 942a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 943a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 944a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 945a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 9461a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehatint VolumeManager::cleanupAsec(Volume *v, bool force) { 9471a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat while(mActiveContainers->size()) { 9481a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat AsecIdCollection::iterator it = mActiveContainers->begin(); 9491a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat SLOGI("Unmounting ASEC %s (dependant on %s)", *it, v->getMountpoint()); 9501a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat if (unmountAsec(*it, force)) { 9511a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat SLOGE("Failed to unmount ASEC %s (%s)", *it, strerror(errno)); 9521a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat return -1; 9531a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat } 9541a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat } 9551a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat return 0; 9561a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat} 9571a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat 958