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; 5899635f6c289fe2528c226403ea215c917ce86037Mike Lockwood mUsbMassStorageEnabled = false; 5999635f6c289fe2528c226403ea215c917ce86037Mike Lockwood mUsbConnected = false; 60a28056b38275003895ff5d9576681aca01544822Mike Lockwood mUmsSharingCount = 0; 61a28056b38275003895ff5d9576681aca01544822Mike Lockwood mSavedDirtyRatio = -1; 62a28056b38275003895ff5d9576681aca01544822Mike Lockwood // set dirty ratio to 0 when UMS is active 63a28056b38275003895ff5d9576681aca01544822Mike Lockwood mUmsDirtyRatio = 0; 6499635f6c289fe2528c226403ea215c917ce86037Mike Lockwood 6599635f6c289fe2528c226403ea215c917ce86037Mike Lockwood readInitialState(); 6699635f6c289fe2528c226403ea215c917ce86037Mike Lockwood} 6799635f6c289fe2528c226403ea215c917ce86037Mike Lockwood 6899635f6c289fe2528c226403ea215c917ce86037Mike Lockwoodvoid VolumeManager::readInitialState() { 6999635f6c289fe2528c226403ea215c917ce86037Mike Lockwood FILE *fp; 7099635f6c289fe2528c226403ea215c917ce86037Mike Lockwood char state[255]; 7199635f6c289fe2528c226403ea215c917ce86037Mike Lockwood 7299635f6c289fe2528c226403ea215c917ce86037Mike Lockwood /* 7399635f6c289fe2528c226403ea215c917ce86037Mike Lockwood * Read the initial mass storage enabled state 7499635f6c289fe2528c226403ea215c917ce86037Mike Lockwood */ 7599635f6c289fe2528c226403ea215c917ce86037Mike Lockwood if ((fp = fopen("/sys/devices/virtual/usb_composite/usb_mass_storage/enable", "r"))) { 7699635f6c289fe2528c226403ea215c917ce86037Mike Lockwood if (fgets(state, sizeof(state), fp)) { 7799635f6c289fe2528c226403ea215c917ce86037Mike Lockwood mUsbMassStorageEnabled = !strncmp(state, "1", 1); 7899635f6c289fe2528c226403ea215c917ce86037Mike Lockwood } else { 7999635f6c289fe2528c226403ea215c917ce86037Mike Lockwood SLOGE("Failed to read usb_mass_storage enabled state (%s)", strerror(errno)); 8099635f6c289fe2528c226403ea215c917ce86037Mike Lockwood } 8199635f6c289fe2528c226403ea215c917ce86037Mike Lockwood fclose(fp); 8299635f6c289fe2528c226403ea215c917ce86037Mike Lockwood } else { 8399635f6c289fe2528c226403ea215c917ce86037Mike Lockwood SLOGD("USB mass storage support is not enabled in the kernel"); 8499635f6c289fe2528c226403ea215c917ce86037Mike Lockwood } 8599635f6c289fe2528c226403ea215c917ce86037Mike Lockwood 8699635f6c289fe2528c226403ea215c917ce86037Mike Lockwood /* 8799635f6c289fe2528c226403ea215c917ce86037Mike Lockwood * Read the initial USB connected state 8899635f6c289fe2528c226403ea215c917ce86037Mike Lockwood */ 8999635f6c289fe2528c226403ea215c917ce86037Mike Lockwood if ((fp = fopen("/sys/devices/virtual/switch/usb_configuration/state", "r"))) { 9099635f6c289fe2528c226403ea215c917ce86037Mike Lockwood if (fgets(state, sizeof(state), fp)) { 9199635f6c289fe2528c226403ea215c917ce86037Mike Lockwood mUsbConnected = !strncmp(state, "1", 1); 9299635f6c289fe2528c226403ea215c917ce86037Mike Lockwood } else { 9399635f6c289fe2528c226403ea215c917ce86037Mike Lockwood SLOGE("Failed to read usb_configuration switch (%s)", strerror(errno)); 9499635f6c289fe2528c226403ea215c917ce86037Mike Lockwood } 9599635f6c289fe2528c226403ea215c917ce86037Mike Lockwood fclose(fp); 9699635f6c289fe2528c226403ea215c917ce86037Mike Lockwood } else { 9799635f6c289fe2528c226403ea215c917ce86037Mike Lockwood SLOGD("usb_configuration switch is not enabled in the kernel"); 9899635f6c289fe2528c226403ea215c917ce86037Mike Lockwood } 99f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 100f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 101f1b736bc5605e92e917ab27f5abf3ba839be2270San MehatVolumeManager::~VolumeManager() { 10288705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mVolumes; 10388705166ab82057090a070c6d4200c3d9db76f11San Mehat delete mActiveContainers; 104f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 105f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 106d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehatchar *VolumeManager::asecHash(const char *id, char *buffer, size_t len) { 107acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root static const char* digits = "0123456789abcdef"; 108acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root 1097b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root unsigned char sig[MD5_DIGEST_LENGTH]; 110d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 111acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root if (buffer == NULL) { 112acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root SLOGE("Destination buffer is NULL"); 113acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root errno = ESPIPE; 114acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root return NULL; 115acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root } else if (id == NULL) { 116acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root SLOGE("Source buffer is NULL"); 117acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root errno = ESPIPE; 118acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root return NULL; 119acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root } else if (len < MD5_ASCII_LENGTH_PLUS_NULL) { 120acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root SLOGE("Target hash buffer size < %d bytes (%d)", 121acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root MD5_ASCII_LENGTH_PLUS_NULL, len); 122d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat errno = ESPIPE; 123d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return NULL; 124d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 1257b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root 1267b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root MD5(reinterpret_cast<const unsigned char*>(id), strlen(id), sig); 127d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 128acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root char *p = buffer; 1297b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root for (int i = 0; i < MD5_DIGEST_LENGTH; i++) { 130acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root *p++ = digits[sig[i] >> 4]; 131acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root *p++ = digits[sig[i] & 0x0F]; 132d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 133acc9e7dcca8978fc809fa5b4d9b819c515a980ffKenny Root *p = '\0'; 134d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 135d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return buffer; 136d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat} 137d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 138d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehatvoid VolumeManager::setDebug(bool enable) { 139d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat mDebug = enable; 140d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat VolumeCollection::iterator it; 141d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat for (it = mVolumes->begin(); it != mVolumes->end(); ++it) { 142d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat (*it)->setDebug(enable); 143d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 144d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat} 145d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 146f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::start() { 147f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 148f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 149f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 150f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::stop() { 151f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 152f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 153f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 154f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::addVolume(Volume *v) { 155f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat mVolumes->push_back(v); 156f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 157f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 158f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 15999635f6c289fe2528c226403ea215c917ce86037Mike Lockwoodvoid VolumeManager::notifyUmsAvailable(bool available) { 160a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char msg[255]; 161a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 162a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(msg, sizeof(msg), "Share method ums now %s", 16399635f6c289fe2528c226403ea215c917ce86037Mike Lockwood (available ? "available" : "unavailable")); 16499635f6c289fe2528c226403ea215c917ce86037Mike Lockwood SLOGD(msg); 165a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat getBroadcaster()->sendBroadcast(ResponseCode::ShareAvailabilityChange, 166a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat msg, false); 167a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 168a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 169a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatvoid VolumeManager::handleSwitchEvent(NetlinkEvent *evt) { 1700cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat const char *devpath = evt->findParam("DEVPATH"); 171a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat const char *name = evt->findParam("SWITCH_NAME"); 172a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat const char *state = evt->findParam("SWITCH_STATE"); 173a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1740cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if (!name || !state) { 17597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Switch %s event missing name/state info", devpath); 1760cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat return; 1770cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat } 1780cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat 17999635f6c289fe2528c226403ea215c917ce86037Mike Lockwood bool oldAvailable = massStorageAvailable(); 18099635f6c289fe2528c226403ea215c917ce86037Mike Lockwood if (!strcmp(name, "usb_configuration")) { 18199635f6c289fe2528c226403ea215c917ce86037Mike Lockwood mUsbConnected = !strcmp(state, "1"); 18299635f6c289fe2528c226403ea215c917ce86037Mike Lockwood SLOGD("USB %s", mUsbConnected ? "connected" : "disconnected"); 18399635f6c289fe2528c226403ea215c917ce86037Mike Lockwood bool newAvailable = massStorageAvailable(); 18499635f6c289fe2528c226403ea215c917ce86037Mike Lockwood if (newAvailable != oldAvailable) { 18599635f6c289fe2528c226403ea215c917ce86037Mike Lockwood notifyUmsAvailable(newAvailable); 186a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 187a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 18897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Ignoring unknown switch '%s'", name); 189a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 190a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 19199635f6c289fe2528c226403ea215c917ce86037Mike Lockwoodvoid VolumeManager::handleUsbCompositeEvent(NetlinkEvent *evt) { 19299635f6c289fe2528c226403ea215c917ce86037Mike Lockwood const char *function = evt->findParam("FUNCTION"); 19399635f6c289fe2528c226403ea215c917ce86037Mike Lockwood const char *enabled = evt->findParam("ENABLED"); 19499635f6c289fe2528c226403ea215c917ce86037Mike Lockwood 19599635f6c289fe2528c226403ea215c917ce86037Mike Lockwood if (!function || !enabled) { 19699635f6c289fe2528c226403ea215c917ce86037Mike Lockwood SLOGW("usb_composite event missing function/enabled info"); 19799635f6c289fe2528c226403ea215c917ce86037Mike Lockwood return; 19899635f6c289fe2528c226403ea215c917ce86037Mike Lockwood } 19999635f6c289fe2528c226403ea215c917ce86037Mike Lockwood 20099635f6c289fe2528c226403ea215c917ce86037Mike Lockwood if (!strcmp(function, "usb_mass_storage")) { 20199635f6c289fe2528c226403ea215c917ce86037Mike Lockwood bool oldAvailable = massStorageAvailable(); 20299635f6c289fe2528c226403ea215c917ce86037Mike Lockwood mUsbMassStorageEnabled = !strcmp(enabled, "1"); 20399635f6c289fe2528c226403ea215c917ce86037Mike Lockwood SLOGD("usb_mass_storage function %s", mUsbMassStorageEnabled ? "enabled" : "disabled"); 20499635f6c289fe2528c226403ea215c917ce86037Mike Lockwood bool newAvailable = massStorageAvailable(); 20599635f6c289fe2528c226403ea215c917ce86037Mike Lockwood if (newAvailable != oldAvailable) { 20699635f6c289fe2528c226403ea215c917ce86037Mike Lockwood notifyUmsAvailable(newAvailable); 20799635f6c289fe2528c226403ea215c917ce86037Mike Lockwood } 20899635f6c289fe2528c226403ea215c917ce86037Mike Lockwood } 20999635f6c289fe2528c226403ea215c917ce86037Mike Lockwood} 210a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 211fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehatvoid VolumeManager::handleBlockEvent(NetlinkEvent *evt) { 212fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat const char *devpath = evt->findParam("DEVPATH"); 213f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 214fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat /* Lookup a volume to handle this device */ 215f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator it; 216f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat bool hit = false; 217f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (it = mVolumes->begin(); it != mVolumes->end(); ++it) { 218fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat if (!(*it)->handleBlockEvent(evt)) { 219a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 22097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Device '%s' event handled by volume %s\n", devpath, (*it)->getLabel()); 221a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 222f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat hit = true; 223f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat break; 224f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 225f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 226f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 227f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!hit) { 228a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#ifdef NETLINK_DEBUG 22997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("No volumes handled block event for '%s'", devpath); 230a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat#endif 231f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 232f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 233f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 234f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint VolumeManager::listVolumes(SocketClient *cli) { 235f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeCollection::iterator i; 236f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 237f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 238f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *buffer; 239f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat asprintf(&buffer, "%s %s %d", 240f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getLabel(), (*i)->getMountpoint(), 241f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat (*i)->getState()); 242a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::VolumeListResult, buffer, false); 243f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat free(buffer); 244f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 245a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat cli->sendMsg(ResponseCode::CommandOkay, "Volumes listed.", false); 246f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 247f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 24849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 249a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::formatVolume(const char *label) { 250a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 251a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 252a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 253a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 254a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 255a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 256a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 257a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->formatVol(); 258a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 259a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 260508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Rootint VolumeManager::getObbMountPath(const char *sourceFile, char *mountPath, int mountPathLen) { 261508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char idHash[33]; 262508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (!asecHash(sourceFile, idHash, sizeof(idHash))) { 263508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root SLOGE("Hash of '%s' failed (%s)", sourceFile, strerror(errno)); 264508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root return -1; 265508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 266508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 267508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root memset(mountPath, 0, mountPathLen); 268508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root snprintf(mountPath, mountPathLen, "%s/%s", Volume::LOOPDIR, idHash); 269508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 270508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (access(mountPath, F_OK)) { 271508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root errno = ENOENT; 272508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root return -1; 273508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 274508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 275508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root return 0; 276508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root} 277508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 278a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::getAsecMountPath(const char *id, char *buffer, int maxlen) { 27988ac2c06539485942bf414efda2d39647fa1a415San Mehat char asecFileName[255]; 28088ac2c06539485942bf414efda2d39647fa1a415San Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 28188ac2c06539485942bf414efda2d39647fa1a415San Mehat 28288ac2c06539485942bf414efda2d39647fa1a415San Mehat memset(buffer, 0, maxlen); 28388ac2c06539485942bf414efda2d39647fa1a415San Mehat if (access(asecFileName, F_OK)) { 28488ac2c06539485942bf414efda2d39647fa1a415San Mehat errno = ENOENT; 28588ac2c06539485942bf414efda2d39647fa1a415San Mehat return -1; 28688ac2c06539485942bf414efda2d39647fa1a415San Mehat } 287a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 2883bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(buffer, maxlen, "%s/%s", Volume::ASECDIR, id); 289a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 290a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 291a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 2928b8f71b1d760411279f3b07a5c97709f052c689eSan Mehatint VolumeManager::createAsec(const char *id, unsigned int numSectors, 293a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat const char *fstype, const char *key, int ownerUid) { 294fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat struct asec_superblock sb; 295fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat memset(&sb, 0, sizeof(sb)); 296fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 297fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.magic = ASEC_SB_MAGIC; 298fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.ver = ASEC_SB_VER; 299a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 300d31e380bd9689dd9629b510ffe324707e261b439San Mehat if (numSectors < ((1024*1024)/512)) { 30197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Invalid container size specified (%d sectors)", numSectors); 302d31e380bd9689dd9629b510ffe324707e261b439San Mehat errno = EINVAL; 303d31e380bd9689dd9629b510ffe324707e261b439San Mehat return -1; 304d31e380bd9689dd9629b510ffe324707e261b439San Mehat } 305d31e380bd9689dd9629b510ffe324707e261b439San Mehat 306a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (lookupVolume(id)) { 30797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC id '%s' currently exists", id); 308a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 309a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 310a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 311a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 312a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 3133bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 314a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 315a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!access(asecFileName, F_OK)) { 31697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC file '%s' currently exists - destroy it first! (%s)", 317a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat asecFileName, strerror(errno)); 318a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EADDRINUSE; 319a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 320a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 321a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 322fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat /* 323fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat * Add some headroom 324fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat */ 325fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unsigned fatSize = (((numSectors * 4) / 512) + 1) * 2; 326fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unsigned numImgSectors = numSectors + fatSize + 2; 327fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 328fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (numImgSectors % 63) { 329fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat numImgSectors += (63 - (numImgSectors % 63)); 330fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 331fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 332fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat // Add +1 for our superblock which is at the end 333fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (Loop::createImageFile(asecFileName, numImgSectors + 1)) { 33497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC image file creation failed (%s)", strerror(errno)); 335a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 336a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 337a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 338d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 339d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 34097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 341d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat unlink(asecFileName); 342d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 343d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 344d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 345a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 346d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::create(idHash, asecFileName, loopDevice, sizeof(loopDevice))) { 34797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC loop device creation failed (%s)", strerror(errno)); 348a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat unlink(asecFileName); 349a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 350a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 351a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 352b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 353b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 354a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 355b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (strcmp(key, "none")) { 356fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat // XXX: This is all we support for now 357fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.c_cipher = ASEC_SB_C_CIPHER_TWOFISH; 358d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::create(idHash, loopDevice, key, numImgSectors, dmDevice, 359b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat sizeof(dmDevice))) { 36097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC device mapping failed (%s)", strerror(errno)); 361b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 362b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat unlink(asecFileName); 363b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 364b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 365b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 366b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 367fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat sb.c_cipher = ASEC_SB_C_CIPHER_NONE; 368b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 369b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 370b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 371fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat /* 372fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat * Drop down the superblock at the end of the file 373fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat */ 374fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 375fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat int sbfd = open(loopDevice, O_RDWR); 376fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (sbfd < 0) { 37797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to open new DM device for superblock write (%s)", strerror(errno)); 378fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (cleanupDm) { 379d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 380fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 381fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 382fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unlink(asecFileName); 383fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 384fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 385fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 386fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (lseek(sbfd, (numImgSectors * 512), SEEK_SET) < 0) { 387fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(sbfd); 38897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to lseek for superblock (%s)", strerror(errno)); 389fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (cleanupDm) { 390d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 391fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 392fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 393fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unlink(asecFileName); 394fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 395fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 396fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 397fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (write(sbfd, &sb, sizeof(sb)) != sizeof(sb)) { 398fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(sbfd); 39997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to write superblock (%s)", strerror(errno)); 400fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (cleanupDm) { 401d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 402fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 403fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 404fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unlink(asecFileName); 405fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 406fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 407fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(sbfd); 408fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 409a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (strcmp(fstype, "none")) { 410a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (strcmp(fstype, "fat")) { 41197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Unknown fstype '%s' specified for container", fstype); 412b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 413a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 414fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (Fat::format(dmDevice, numImgSectors)) { 41597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC FAT format failed (%s)", strerror(errno)); 416b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 417d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 418b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 419eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat Loop::destroyByDevice(loopDevice); 420eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat unlink(asecFileName); 421eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat return -1; 422eb13a90bb96b329d8e24a6c3d4720ae88451d301San Mehat } 423a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat char mountPoint[255]; 424a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat 425a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 426a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (mkdir(mountPoint, 0777)) { 427a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (errno != EEXIST) { 42897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Mountpoint creation failed (%s)", strerror(errno)); 429a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (cleanupDm) { 430d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 431a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 432a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat Loop::destroyByDevice(loopDevice); 433a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat unlink(asecFileName); 434a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat return -1; 435a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 436a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 437a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 438a3e06084564c86ff618c40f185f3676b8b629b94Kenny Root if (Fat::doMount(dmDevice, mountPoint, false, false, false, ownerUid, 439a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat 0, 0000, false)) { 44097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC FAT mount failed (%s)", strerror(errno)); 441a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat if (cleanupDm) { 442d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 443a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } 444a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat Loop::destroyByDevice(loopDevice); 445a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat unlink(asecFileName); 446a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat return -1; 447b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 448a1091cb0c448a933068f9120fe6946c09812bfb6San Mehat } else { 44997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGI("Created raw secure container %s (no filesystem)", id); 450a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 45188705166ab82057090a070c6d4200c3d9db76f11San Mehat 452cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root mActiveContainers->push_back(new ContainerData(strdup(id), ASEC)); 453a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 454a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 455a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 456a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::finalizeAsec(const char *id) { 457a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 458a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 459a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 460a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 4613bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 462a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 463d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 464d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 46597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 466d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 467d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 468d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 469d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 47097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to finalize %s (%s)", id, strerror(errno)); 471a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 472a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 473a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 4743bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 475fff0b47998a722d57eea6a07350bbd7a6032b3ccSan Mehat // XXX: 476a3e06084564c86ff618c40f185f3676b8b629b94Kenny Root if (Fat::doMount(loopDevice, mountPoint, true, true, true, 0, 0, 0227, false)) { 47797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC finalize mount failed (%s)", strerror(errno)); 478a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 479a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 480a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 481d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 48297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("ASEC %s finalized", id); 483d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 484a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 485a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 486a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 487048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatint VolumeManager::renameAsec(const char *id1, const char *id2) { 488048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename1; 489048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char *asecFilename2; 490048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat char mountPoint[255]; 491048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 4923bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat asprintf(&asecFilename1, "%s/%s.asec", Volume::SEC_ASECDIR, id1); 4933bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat asprintf(&asecFilename2, "%s/%s.asec", Volume::SEC_ASECDIR, id2); 494048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 4953bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id1); 496048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (isMountpointMounted(mountPoint)) { 49797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Rename attempt when src mounted"); 498048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EBUSY; 499048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 500048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 501048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 50296956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id2); 50396956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat if (isMountpointMounted(mountPoint)) { 50497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Rename attempt when dst mounted"); 50596956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat errno = EBUSY; 50696956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat goto out_err; 50796956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat } 50896956ed0e220cb62a4a96136976ded0d8c2d9075San Mehat 509048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (!access(asecFilename2, F_OK)) { 51097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Rename attempt when dst exists"); 511048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat errno = EADDRINUSE; 512048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 513048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 514048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 515048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat if (rename(asecFilename1, asecFilename2)) { 51697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Rename of '%s' to '%s' failed (%s)", asecFilename1, asecFilename2, strerror(errno)); 517048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat goto out_err; 518048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat } 519048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 520048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 521048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 522048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return 0; 523048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 524048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehatout_err: 525048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename1); 526048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat free(asecFilename2); 527048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat return -1; 528048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat} 529048b0801fcd6fcfbb8fa812284c751181e4821b8San Mehat 530fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root#define UNMOUNT_RETRIES 5 531fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root#define UNMOUNT_SLEEP_BETWEEN_RETRY_MS (1000 * 1000) 5324ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::unmountAsec(const char *id, bool force) { 533a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 534a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 535a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 5363bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 5373bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 538a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 539d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 540d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 54197ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 542d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 543d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 544d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat 545fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return unmountLoopImage(id, idHash, asecFileName, mountPoint, force); 546fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root} 547fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 548508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Rootint VolumeManager::unmountObb(const char *fileName, bool force) { 549fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char mountPoint[255]; 550fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 551fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char idHash[33]; 552fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (!asecHash(fileName, idHash, sizeof(idHash))) { 553fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Hash of '%s' failed (%s)", fileName, strerror(errno)); 554fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 555fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 556fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 557fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::LOOPDIR, idHash); 558fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 559fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return unmountLoopImage(fileName, idHash, fileName, mountPoint, force); 560fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root} 561fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 562fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Rootint VolumeManager::unmountLoopImage(const char *id, const char *idHash, 563fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root const char *fileName, const char *mountPoint, bool force) { 5640586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (!isMountpointMounted(mountPoint)) { 565fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Unmount request for %s when not mounted", id); 566918e5f9f10b9c1ff929683743ffbf229027ce240Kenny Root errno = ENOENT; 567b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 568b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 56923969931fad6e993832208f099f6eea0f6f76eb5San Mehat 570b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat int i, rc; 571fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root for (i = 1; i <= UNMOUNT_RETRIES; i++) { 572b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = umount(mountPoint); 573b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (!rc) { 574b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 575a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 576b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc && (errno == EINVAL || errno == ENOENT)) { 577fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGI("Container %s unmounted OK", id); 578b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat rc = 0; 579b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat break; 580a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 581fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGW("%s unmount attempt %d failed (%s)", 5828c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat id, i, strerror(errno)); 5838c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 5844ba8948dc16463053e21cda5744f519a555080d0San Mehat int action = 0; // default is to just complain 5854ba8948dc16463053e21cda5744f519a555080d0San Mehat 5864ba8948dc16463053e21cda5744f519a555080d0San Mehat if (force) { 587fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (i > (UNMOUNT_RETRIES - 2)) 5884ba8948dc16463053e21cda5744f519a555080d0San Mehat action = 2; // SIGKILL 589fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root else if (i > (UNMOUNT_RETRIES - 3)) 5904ba8948dc16463053e21cda5744f519a555080d0San Mehat action = 1; // SIGHUP 5914ba8948dc16463053e21cda5744f519a555080d0San Mehat } 5928c940ef7dbd423cadc92982b44a65ed1014389e2San Mehat 593586536c60b773e3517531ad8a6cb0de6722c67fcSan Mehat Process::killProcessesWithOpenFiles(mountPoint, action); 594fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root usleep(UNMOUNT_SLEEP_BETWEEN_RETRY_MS); 595b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 596b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 597b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (rc) { 5984ba8948dc16463053e21cda5744f519a555080d0San Mehat errno = EBUSY; 59997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to unmount container %s (%s)", id, strerror(errno)); 600b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 601b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 602b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 60312f4b89046b54de1bdc188b7057ba77d7566e573San Mehat int retries = 10; 60412f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 60512f4b89046b54de1bdc188b7057ba77d7566e573San Mehat while(retries--) { 60612f4b89046b54de1bdc188b7057ba77d7566e573San Mehat if (!rmdir(mountPoint)) { 60712f4b89046b54de1bdc188b7057ba77d7566e573San Mehat break; 60812f4b89046b54de1bdc188b7057ba77d7566e573San Mehat } 60912f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 61097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Failed to rmdir %s (%s)", mountPoint, strerror(errno)); 611fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root usleep(UNMOUNT_SLEEP_BETWEEN_RETRY_MS); 61212f4b89046b54de1bdc188b7057ba77d7566e573San Mehat } 61312f4b89046b54de1bdc188b7057ba77d7566e573San Mehat 61412f4b89046b54de1bdc188b7057ba77d7566e573San Mehat if (!retries) { 61597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Timed out trying to rmdir %s (%s)", mountPoint, strerror(errno)); 616f5c61980969a0b49bda37b5dc94ffe675ebd5a5aSan Mehat } 61788705166ab82057090a070c6d4200c3d9db76f11San Mehat 618d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::destroy(idHash) && errno != ENXIO) { 61997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to destroy devmapper instance (%s)", strerror(errno)); 620a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 621a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 622a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 623d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 624a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat Loop::destroyByDevice(loopDevice); 625d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } else { 626fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGW("Failed to find loop device for {%s} (%s)", fileName, strerror(errno)); 627a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 62888705166ab82057090a070c6d4200c3d9db76f11San Mehat 62988705166ab82057090a070c6d4200c3d9db76f11San Mehat AsecIdCollection::iterator it; 63088705166ab82057090a070c6d4200c3d9db76f11San Mehat for (it = mActiveContainers->begin(); it != mActiveContainers->end(); ++it) { 631cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root ContainerData* cd = *it; 632cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root if (!strcmp(cd->id, id)) { 63388705166ab82057090a070c6d4200c3d9db76f11San Mehat free(*it); 63488705166ab82057090a070c6d4200c3d9db76f11San Mehat mActiveContainers->erase(it); 63588705166ab82057090a070c6d4200c3d9db76f11San Mehat break; 63688705166ab82057090a070c6d4200c3d9db76f11San Mehat } 63788705166ab82057090a070c6d4200c3d9db76f11San Mehat } 63888705166ab82057090a070c6d4200c3d9db76f11San Mehat if (it == mActiveContainers->end()) { 63997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("mActiveContainers is inconsistent!"); 64088705166ab82057090a070c6d4200c3d9db76f11San Mehat } 641b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return 0; 642b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat} 643b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 6444ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::destroyAsec(const char *id, bool force) { 645b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char asecFileName[255]; 646b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char mountPoint[255]; 647b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 6483bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 64955013f7131ffe094e1c7d929cfc32b3b25096a9bSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 650b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 6510586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (isMountpointMounted(mountPoint)) { 652d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 65397ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Unmounting container before destroy"); 654d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 6554ba8948dc16463053e21cda5744f519a555080d0San Mehat if (unmountAsec(id, force)) { 65697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to unmount asec %s for destroy (%s)", id, strerror(errno)); 6570586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 6580586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 6590586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 660a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 6610586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat if (unlink(asecFileName)) { 66297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to unlink asec '%s' (%s)", asecFileName, strerror(errno)); 6630586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat return -1; 6640586d54053ee00e6d6523d4f125282ccb9a24aabSan Mehat } 665a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 666d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 66797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("ASEC %s destroyed", id); 668d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 669a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 670a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 671a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 672a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatint VolumeManager::mountAsec(const char *id, const char *key, int ownerUid) { 673a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char asecFileName[255]; 674a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mountPoint[255]; 675a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 6763bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(asecFileName, sizeof(asecFileName), "%s/%s.asec", Volume::SEC_ASECDIR, id); 6773bb6020e461e8872e8df0775cba6eb32e06b93ecSan Mehat snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::ASECDIR, id); 678a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 679a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (isMountpointMounted(mountPoint)) { 68097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC %s already mounted", id); 681a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat errno = EBUSY; 682a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 683a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 684a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 685d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat char idHash[33]; 686d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (!asecHash(id, idHash, sizeof(idHash))) { 68797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Hash of '%s' failed (%s)", id, strerror(errno)); 688d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat return -1; 689d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 6907b18a7b36f61574c0f0bdde0a7409dc36676fa12Kenny Root 691a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char loopDevice[255]; 692d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 693d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Loop::create(idHash, asecFileName, loopDevice, sizeof(loopDevice))) { 69497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC loop device creation failed (%s)", strerror(errno)); 695a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 696a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 697d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 69897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("New loop device created at %s", loopDevice); 699d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 700b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 701d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 70297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Found active loopback for %s at %s", asecFileName, loopDevice); 703d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 704b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 705b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 706b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat char dmDevice[255]; 707b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat bool cleanupDm = false; 708fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat int fd; 709fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat unsigned int nr_sec = 0; 710b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 711fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if ((fd = open(loopDevice, O_RDWR)) < 0) { 71297ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to open loopdevice (%s)", strerror(errno)); 713fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 714fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 715fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 716b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat 717fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (ioctl(fd, BLKGETSIZE, &nr_sec)) { 71897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Failed to get loop size (%s)", strerror(errno)); 719fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 720fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 721fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 722fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 723fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 724fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat /* 725fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat * Validate superblock 726fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat */ 727fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat struct asec_superblock sb; 728fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat memset(&sb, 0, sizeof(sb)); 729fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (lseek(fd, ((nr_sec-1) * 512), SEEK_SET) < 0) { 73097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("lseek failed (%s)", strerror(errno)); 731fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 732fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 733fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 734fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 735fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (read(fd, &sb, sizeof(sb)) != sizeof(sb)) { 73697ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("superblock read failed (%s)", strerror(errno)); 737fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 738fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 739fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 740fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 741fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 742fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat close(fd); 743fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 744d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 74597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Container sb magic/ver (%.8x/%.2x)", sb.magic, sb.ver); 746d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 747fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (sb.magic != ASEC_SB_MAGIC || sb.ver != ASEC_SB_VER) { 74897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Bad container magic/version (%.8x/%.2x)", sb.magic, sb.ver); 749fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat Loop::destroyByDevice(loopDevice); 750fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat errno = EMEDIUMTYPE; 751fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat return -1; 752fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat } 753fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat nr_sec--; // We don't want the devmapping to extend onto our superblock 754fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat 755fcf24fe62f98c5d44431aa575555569c2c7a29b0San Mehat if (strcmp(key, "none")) { 756d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::lookupActive(idHash, dmDevice, sizeof(dmDevice))) { 757d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (Devmapper::create(idHash, loopDevice, key, nr_sec, 758b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat dmDevice, sizeof(dmDevice))) { 75997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC device mapping failed (%s)", strerror(errno)); 760b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 761b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 762b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 763d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 76497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("New devmapper instance created at %s", dmDevice); 765d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 766b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 767d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 76897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("Found active devmapper for %s at %s", asecFileName, dmDevice); 769d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 770b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 771b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat cleanupDm = true; 772b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } else { 773b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat strcpy(dmDevice, loopDevice); 774a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 775a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 776a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (mkdir(mountPoint, 0777)) { 777b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (errno != EEXIST) { 77897ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Mountpoint creation failed (%s)", strerror(errno)); 779b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 780d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 781b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 782b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 783b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat return -1; 784b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 785a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 786a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 787a3e06084564c86ff618c40f185f3676b8b629b94Kenny Root if (Fat::doMount(dmDevice, mountPoint, true, false, true, ownerUid, 0, 788cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat 0222, false)) { 789cff5ec3d360b699ad13df05670efe0d0a7386fbeSan Mehat// 0227, false)) { 79097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("ASEC mount failed (%s)", strerror(errno)); 791b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat if (cleanupDm) { 792d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat Devmapper::destroy(idHash); 793b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat } 794b78a32c1d5eeb243bdac0eaf18effb1897f1ee67San Mehat Loop::destroyByDevice(loopDevice); 795a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return -1; 796a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 797a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 798cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root mActiveContainers->push_back(new ContainerData(strdup(id), ASEC)); 799d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat if (mDebug) { 80097ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGD("ASEC %s mounted", id); 801d9a4e358614a0c5f60cc76c0636ee4bb02004a32San Mehat } 802a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return 0; 803a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 804a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 805fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root/** 806fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root * Mounts an image file <code>img</code>. 807fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root */ 808508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Rootint VolumeManager::mountObb(const char *img, const char *key, int ownerUid) { 809fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char mountPoint[255]; 810fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 811fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char idHash[33]; 812fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (!asecHash(img, idHash, sizeof(idHash))) { 813fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Hash of '%s' failed (%s)", img, strerror(errno)); 814fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 815fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 816fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 817fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root snprintf(mountPoint, sizeof(mountPoint), "%s/%s", Volume::LOOPDIR, idHash); 818fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 819fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (isMountpointMounted(mountPoint)) { 820fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Image %s already mounted", img); 821fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root errno = EBUSY; 822fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 823fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 824fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 825fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char loopDevice[255]; 826fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (Loop::lookupActive(idHash, loopDevice, sizeof(loopDevice))) { 827fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (Loop::create(idHash, img, loopDevice, sizeof(loopDevice))) { 828fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Image loop device creation failed (%s)", strerror(errno)); 829fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 830fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 831fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mDebug) { 832fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGD("New loop device created at %s", loopDevice); 833fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 834fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } else { 835fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mDebug) { 836fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGD("Found active loopback for %s at %s", img, loopDevice); 837fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 838fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 839fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 840fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root char dmDevice[255]; 841fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root bool cleanupDm = false; 842fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root int fd; 843fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root unsigned int nr_sec = 0; 844fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 845fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if ((fd = open(loopDevice, O_RDWR)) < 0) { 846fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Failed to open loopdevice (%s)", strerror(errno)); 847fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Loop::destroyByDevice(loopDevice); 848fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 849fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 850fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 851fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (ioctl(fd, BLKGETSIZE, &nr_sec)) { 852fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Failed to get loop size (%s)", strerror(errno)); 853fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Loop::destroyByDevice(loopDevice); 854fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root close(fd); 855fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 856fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 857fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 858fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root close(fd); 859fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 860fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (strcmp(key, "none")) { 861fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (Devmapper::lookupActive(idHash, dmDevice, sizeof(dmDevice))) { 862fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (Devmapper::create(idHash, loopDevice, key, nr_sec, 863fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root dmDevice, sizeof(dmDevice))) { 864fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("ASEC device mapping failed (%s)", strerror(errno)); 865fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Loop::destroyByDevice(loopDevice); 866fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 867fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 868fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mDebug) { 869fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGD("New devmapper instance created at %s", dmDevice); 870fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 871fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } else { 872fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mDebug) { 873fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGD("Found active devmapper for %s at %s", img, dmDevice); 874fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 875fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 876fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root cleanupDm = true; 877fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } else { 878fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root strcpy(dmDevice, loopDevice); 879fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 880fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 881fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mkdir(mountPoint, 0755)) { 882fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (errno != EEXIST) { 883fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Mountpoint creation failed (%s)", strerror(errno)); 884fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (cleanupDm) { 885fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Devmapper::destroy(idHash); 886fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 887fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Loop::destroyByDevice(loopDevice); 888fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 889fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 890fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 891fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 892a3e06084564c86ff618c40f185f3676b8b629b94Kenny Root if (Fat::doMount(dmDevice, mountPoint, true, false, true, ownerUid, 0, 893fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 0227, false)) { 894fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGE("Image mount failed (%s)", strerror(errno)); 895fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (cleanupDm) { 896fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Devmapper::destroy(idHash); 897fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 898fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root Loop::destroyByDevice(loopDevice); 899fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return -1; 900fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 901fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 902cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root mActiveContainers->push_back(new ContainerData(strdup(img), OBB)); 903fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root if (mDebug) { 904fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root SLOGD("Image %s mounted", img); 905fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root } 906fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root return 0; 907fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root} 908fb7c4d5a8a1031cf0e493ff182dcf458e5fe8c77Kenny Root 90949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatint VolumeManager::mountVolume(const char *label) { 91049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 91149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 91249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 91349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 91449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 91549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 91649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 917a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return v->mountVol(); 918a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 919a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 920508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Rootint VolumeManager::listMountedObbs(SocketClient* cli) { 921508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char device[256]; 922508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char mount_path[256]; 923508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char rest[256]; 924508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root FILE *fp; 925508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char line[1024]; 926508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 927508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (!(fp = fopen("/proc/mounts", "r"))) { 928508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root SLOGE("Error opening /proc/mounts (%s)", strerror(errno)); 929508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root return -1; 930508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 931508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 932508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root // Create a string to compare against that has a trailing slash 933508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root int loopDirLen = sizeof(Volume::LOOPDIR); 934508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root char loopDir[loopDirLen + 2]; 935508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root strcpy(loopDir, Volume::LOOPDIR); 936508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root loopDir[loopDirLen++] = '/'; 937508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root loopDir[loopDirLen] = '\0'; 938508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 939508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root while(fgets(line, sizeof(line), fp)) { 940508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root line[strlen(line)-1] = '\0'; 941508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 942508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root /* 943508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root * Should look like: 944508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root * /dev/block/loop0 /mnt/obb/fc99df1323fd36424f864dcb76b76d65 ... 945508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root */ 946508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root sscanf(line, "%255s %255s %255s\n", device, mount_path, rest); 947508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 948508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (!strncmp(mount_path, loopDir, loopDirLen)) { 949508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root int fd = open(device, O_RDONLY); 950508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (fd >= 0) { 951508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root struct loop_info64 li; 952508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root if (ioctl(fd, LOOP_GET_STATUS64, &li) >= 0) { 953508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root cli->sendMsg(ResponseCode::AsecListResult, 954508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root (const char*) li.lo_file_name, false); 955508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 956508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root close(fd); 957508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 958508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 959508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root } 960508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 961508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root fclose(fp); 962508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root return 0; 963508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root} 964508c0e1605b795bbb51cb47d955b89f3df26ca94Kenny Root 965a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareAvailable(const char *method, bool *avail) { 966a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 967a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 968a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 969a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 970a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 971a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 97299635f6c289fe2528c226403ea215c917ce86037Mike Lockwood *avail = massStorageAvailable(); 973a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 974a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 975a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 976eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehatint VolumeManager::shareEnabled(const char *label, const char *method, bool *enabled) { 977eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat Volume *v = lookupVolume(label); 978eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 979eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (!v) { 980eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOENT; 981eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 982eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 983eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 984eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (strcmp(method, "ums")) { 985eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat errno = ENOSYS; 986eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return -1; 987eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 988eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 989eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat if (v->getState() != Volume::State_Shared) { 990eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat *enabled = false; 991b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat } else { 992b9aed74b146beb7499ebc5775e8ae179d16900efSan Mehat *enabled = true; 993eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat } 994eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat return 0; 995eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat} 996eba65e9d438a05f1c5dfd0f8d31bc463a5d08eeeSan Mehat 997a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::simulate(const char *cmd, const char *arg) { 998a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 999a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(cmd, "ums")) { 1000a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(arg, "connect")) { 100199635f6c289fe2528c226403ea215c917ce86037Mike Lockwood notifyUmsAvailable(true); 1002a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else if (!strcmp(arg, "disconnect")) { 100399635f6c289fe2528c226403ea215c917ce86037Mike Lockwood notifyUmsAvailable(false); 1004a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 1005a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 1006a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1007a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1008a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 1009a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 1010a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1011a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1012a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 1013a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 1014a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1015a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::shareVolume(const char *label, const char *method) { 1016a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 1017a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1018a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 1019a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 1020a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1021a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1022a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1023a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat /* 1024a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Eventually, we'll want to support additional share back-ends, 1025a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * some of which may work while the media is mounted. For now, 1026a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * we just support UMS 1027a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 1028a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 1029a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 1030a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1031a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1032a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1033a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 1034a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 1035a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1036a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1037a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 103849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Idle) { 1039a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // You need to unmount manually befoe sharing 104049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 104149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 104249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 104349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 10442dfe297ec47559dbe2297a72bea71cf515c03797Mike Lockwood dev_t d = v->getShareDevice(); 1045a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if ((MAJOR(d) == 0) && (MINOR(d) == 0)) { 1046a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat // This volume does not support raw disk access 1047a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 1048a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1049a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1050a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1051a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 1052a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char nodepath[255]; 1053a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat snprintf(nodepath, 1054a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat sizeof(nodepath), "/dev/block/vold/%d:%d", 1055a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat MAJOR(d), MINOR(d)); 1056a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 10570cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", 10580cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat O_WRONLY)) < 0) { 105997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to open ums lunfile (%s)", strerror(errno)); 1060a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1061a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1062a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1063a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, nodepath, strlen(nodepath)) < 0) { 106497ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 1065a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 1066a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1067a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1068a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1069a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 1070a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeShared(); 1071a28056b38275003895ff5d9576681aca01544822Mike Lockwood if (mUmsSharingCount++ == 0) { 1072a28056b38275003895ff5d9576681aca01544822Mike Lockwood FILE* fp; 1073a28056b38275003895ff5d9576681aca01544822Mike Lockwood mSavedDirtyRatio = -1; // in case we fail 1074a28056b38275003895ff5d9576681aca01544822Mike Lockwood if ((fp = fopen("/proc/sys/vm/dirty_ratio", "r+"))) { 1075a28056b38275003895ff5d9576681aca01544822Mike Lockwood char line[16]; 1076a28056b38275003895ff5d9576681aca01544822Mike Lockwood if (fgets(line, sizeof(line), fp) && sscanf(line, "%d", &mSavedDirtyRatio)) { 1077a28056b38275003895ff5d9576681aca01544822Mike Lockwood fprintf(fp, "%d\n", mUmsDirtyRatio); 1078a28056b38275003895ff5d9576681aca01544822Mike Lockwood } else { 1079a28056b38275003895ff5d9576681aca01544822Mike Lockwood SLOGE("Failed to read dirty_ratio (%s)", strerror(errno)); 1080a28056b38275003895ff5d9576681aca01544822Mike Lockwood } 1081a28056b38275003895ff5d9576681aca01544822Mike Lockwood fclose(fp); 1082a28056b38275003895ff5d9576681aca01544822Mike Lockwood } else { 1083a28056b38275003895ff5d9576681aca01544822Mike Lockwood SLOGE("Failed to open /proc/sys/vm/dirty_ratio (%s)", strerror(errno)); 1084a28056b38275003895ff5d9576681aca01544822Mike Lockwood } 1085a28056b38275003895ff5d9576681aca01544822Mike Lockwood } 1086a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 1087a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat} 1088a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1089a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehatint VolumeManager::unshareVolume(const char *label, const char *method) { 1090a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat Volume *v = lookupVolume(label); 1091a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1092a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!v) { 1093a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOENT; 1094a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1095a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1096a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1097a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (strcmp(method, "ums")) { 1098a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENOSYS; 1099a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1100a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1101a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1102a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() != Volume::State_Shared) { 1103a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = EINVAL; 1104a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1105a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1106a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1107a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat int fd; 11080cde53ce7b44ce189d0bc6fa81c0036e096deb51San Mehat if ((fd = open("/sys/devices/platform/usb_mass_storage/lun0/file", O_WRONLY)) < 0) { 110997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to open ums lunfile (%s)", strerror(errno)); 1110a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1111a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1112a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1113a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat char ch = 0; 1114a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (write(fd, &ch, 1) < 0) { 111597ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Unable to write to ums lunfile (%s)", strerror(errno)); 1116a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 1117a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1118a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1119a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 1120a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat close(fd); 1121a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->handleVolumeUnshared(); 1122a28056b38275003895ff5d9576681aca01544822Mike Lockwood if (--mUmsSharingCount == 0 && mSavedDirtyRatio != -1) { 1123a28056b38275003895ff5d9576681aca01544822Mike Lockwood FILE* fp; 1124a28056b38275003895ff5d9576681aca01544822Mike Lockwood if ((fp = fopen("/proc/sys/vm/dirty_ratio", "r+"))) { 1125a28056b38275003895ff5d9576681aca01544822Mike Lockwood fprintf(fp, "%d\n", mSavedDirtyRatio); 1126a28056b38275003895ff5d9576681aca01544822Mike Lockwood fclose(fp); 1127a28056b38275003895ff5d9576681aca01544822Mike Lockwood } else { 1128a28056b38275003895ff5d9576681aca01544822Mike Lockwood SLOGE("Failed to open /proc/sys/vm/dirty_ratio (%s)", strerror(errno)); 1129a28056b38275003895ff5d9576681aca01544822Mike Lockwood } 1130a28056b38275003895ff5d9576681aca01544822Mike Lockwood mSavedDirtyRatio = -1; 1131a28056b38275003895ff5d9576681aca01544822Mike Lockwood } 1132a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return 0; 113349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 113449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 11354ba8948dc16463053e21cda5744f519a555080d0San Mehatint VolumeManager::unmountVolume(const char *label, bool force) { 113649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat Volume *v = lookupVolume(label); 113749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 113849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (!v) { 113949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = ENOENT; 114049e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 114149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 114249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 1143a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (v->getState() == Volume::State_NoMedia) { 1144a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat errno = ENODEV; 1145a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return -1; 1146a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 1147a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat 114849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat if (v->getState() != Volume::State_Mounted) { 114997ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGW("Attempt to unmount volume which isn't mounted (%d)\n", 1150a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat v->getState()); 115149e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat errno = EBUSY; 115249e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return -1; 115349e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 115449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 11551a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat cleanupAsec(v, force); 115688705166ab82057090a070c6d4200c3d9db76f11San Mehat 11574ba8948dc16463053e21cda5744f519a555080d0San Mehat return v->unmountVol(force); 115849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 115949e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 1160a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat/* 1161a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat * Looks up a volume by it's label or mount-point 1162a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat */ 116349e2bce5b74129c26a35e25d4693cbfe98c4688eSan MehatVolume *VolumeManager::lookupVolume(const char *label) { 116449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat VolumeCollection::iterator i; 116549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 116649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat for (i = mVolumes->begin(); i != mVolumes->end(); ++i) { 1167a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (label[0] == '/') { 1168a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getMountpoint())) 1169a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 1170a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } else { 1171a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat if (!strcmp(label, (*i)->getLabel())) 1172a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat return (*i); 1173a2677e4ad01f250b0765f04adf0acfa6627efc98San Mehat } 117449e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat } 117549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat return NULL; 117649e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat} 1177a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1178a19b250bd273455933ca3502cf2c2e0a803aff77San Mehatbool VolumeManager::isMountpointMounted(const char *mp) 1179a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat{ 1180a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char device[256]; 1181a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char mount_path[256]; 1182a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char rest[256]; 1183a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat FILE *fp; 1184a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat char line[1024]; 1185a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1186a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!(fp = fopen("/proc/mounts", "r"))) { 118797ac40e4e6f3ed0bd5d6878d7d8d4a54fcaecb76San Mehat SLOGE("Error opening /proc/mounts (%s)", strerror(errno)); 1188a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 1189a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 1190a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1191a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat while(fgets(line, sizeof(line), fp)) { 1192a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat line[strlen(line)-1] = '\0'; 1193a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat sscanf(line, "%255s %255s %255s\n", device, mount_path, rest); 1194a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat if (!strcmp(mount_path, mp)) { 1195a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 1196a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return true; 1197a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 1198a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat } 1199a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 1200a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat fclose(fp); 1201a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat return false; 1202a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat} 1203a19b250bd273455933ca3502cf2c2e0a803aff77San Mehat 12041a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehatint VolumeManager::cleanupAsec(Volume *v, bool force) { 12051a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat while(mActiveContainers->size()) { 12061a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat AsecIdCollection::iterator it = mActiveContainers->begin(); 1207cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root ContainerData* cd = *it; 1208cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root SLOGI("Unmounting ASEC %s (dependant on %s)", cd->id, v->getMountpoint()); 1209cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root if (cd->type == ASEC) { 1210cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root if (unmountAsec(cd->id, force)) { 1211cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root SLOGE("Failed to unmount ASEC %s (%s)", cd->id, strerror(errno)); 1212cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root return -1; 1213cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root } 1214cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root } else if (cd->type == OBB) { 1215cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root if (unmountObb(cd->id, force)) { 1216cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root SLOGE("Failed to unmount OBB %s (%s)", cd->id, strerror(errno)); 1217cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root return -1; 1218cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root } 1219cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root } else { 1220cbacf78eff70bd43bb899e164ec2ab409bc0904cKenny Root SLOGE("Unknown container type %d!", cd->type); 12211a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat return -1; 12221a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat } 12231a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat } 12241a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat return 0; 12251a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat} 12261a06edaf4db4e9c520624bcc06e0e13ee470d90eSan Mehat 1227