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568 lines
18 KiB
568 lines
18 KiB
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdlib.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <string.h>
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#define LOG_TAG "VoldCmdListener"
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#include <cutils/log.h>
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#include <sysutils/SocketClient.h>
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#include "CommandListener.h"
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#include "VolumeManager.h"
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#include "ResponseCode.h"
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#include "Process.h"
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#include "Xwarp.h"
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#include "Loop.h"
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#include "Devmapper.h"
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#include "cryptfs.h"
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CommandListener::CommandListener() :
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FrameworkListener("vold") {
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registerCmd(new DumpCmd());
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registerCmd(new VolumeCmd());
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registerCmd(new AsecCmd());
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registerCmd(new ObbCmd());
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registerCmd(new ShareCmd());
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registerCmd(new StorageCmd());
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registerCmd(new XwarpCmd());
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registerCmd(new CryptfsCmd());
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}
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void CommandListener::dumpArgs(int argc, char **argv, int argObscure) {
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char buffer[4096];
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char *p = buffer;
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memset(buffer, 0, sizeof(buffer));
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int i;
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for (i = 0; i < argc; i++) {
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unsigned int len = strlen(argv[i]) + 1; // Account for space
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if (i == argObscure) {
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len += 2; // Account for {}
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}
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if (((p - buffer) + len) < (sizeof(buffer)-1)) {
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if (i == argObscure) {
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*p++ = '{';
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*p++ = '}';
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*p++ = ' ';
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continue;
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}
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strcpy(p, argv[i]);
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p+= strlen(argv[i]);
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if (i != (argc -1)) {
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*p++ = ' ';
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}
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}
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}
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SLOGD("%s", buffer);
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}
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CommandListener::DumpCmd::DumpCmd() :
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VoldCommand("dump") {
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}
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int CommandListener::DumpCmd::runCommand(SocketClient *cli,
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int argc, char **argv) {
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cli->sendMsg(0, "Dumping loop status", false);
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if (Loop::dumpState(cli)) {
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cli->sendMsg(ResponseCode::CommandOkay, "Loop dump failed", true);
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}
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cli->sendMsg(0, "Dumping DM status", false);
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if (Devmapper::dumpState(cli)) {
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cli->sendMsg(ResponseCode::CommandOkay, "Devmapper dump failed", true);
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}
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cli->sendMsg(0, "Dumping mounted filesystems", false);
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FILE *fp = fopen("/proc/mounts", "r");
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if (fp) {
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char line[1024];
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while (fgets(line, sizeof(line), fp)) {
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line[strlen(line)-1] = '\0';
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cli->sendMsg(0, line, false);;
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}
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fclose(fp);
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}
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cli->sendMsg(ResponseCode::CommandOkay, "dump complete", false);
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return 0;
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}
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CommandListener::VolumeCmd::VolumeCmd() :
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VoldCommand("volume") {
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}
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int CommandListener::VolumeCmd::runCommand(SocketClient *cli,
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int argc, char **argv) {
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dumpArgs(argc, argv, -1);
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if (argc < 2) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing Argument", false);
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return 0;
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}
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VolumeManager *vm = VolumeManager::Instance();
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int rc = 0;
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if (!strcmp(argv[1], "list")) {
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return vm->listVolumes(cli);
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} else if (!strcmp(argv[1], "debug")) {
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if (argc != 3 || (argc == 3 && (strcmp(argv[2], "off") && strcmp(argv[2], "on")))) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Usage: volume debug <off/on>", false);
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return 0;
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}
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vm->setDebug(!strcmp(argv[2], "on") ? true : false);
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} else if (!strcmp(argv[1], "mount")) {
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if (argc != 3) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Usage: volume mount <path>", false);
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return 0;
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}
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rc = vm->mountVolume(argv[2]);
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} else if (!strcmp(argv[1], "unmount")) {
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if (argc < 3 || argc > 4 || (argc == 4 && strcmp(argv[3], "force"))) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Usage: volume unmount <path> [force]", false);
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return 0;
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}
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bool force = false;
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if (argc >= 4 && !strcmp(argv[3], "force")) {
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force = true;
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}
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rc = vm->unmountVolume(argv[2], force);
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} else if (!strcmp(argv[1], "format")) {
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if (argc != 3) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Usage: volume format <path>", false);
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return 0;
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}
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rc = vm->formatVolume(argv[2]);
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} else if (!strcmp(argv[1], "share")) {
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if (argc != 4) {
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cli->sendMsg(ResponseCode::CommandSyntaxError,
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"Usage: volume share <path> <method>", false);
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return 0;
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}
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rc = vm->shareVolume(argv[2], argv[3]);
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} else if (!strcmp(argv[1], "unshare")) {
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if (argc != 4) {
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cli->sendMsg(ResponseCode::CommandSyntaxError,
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"Usage: volume unshare <path> <method>", false);
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return 0;
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}
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rc = vm->unshareVolume(argv[2], argv[3]);
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} else if (!strcmp(argv[1], "shared")) {
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bool enabled = false;
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if (argc != 4) {
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cli->sendMsg(ResponseCode::CommandSyntaxError,
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"Usage: volume shared <path> <method>", false);
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return 0;
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}
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if (vm->shareEnabled(argv[2], argv[3], &enabled)) {
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cli->sendMsg(
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ResponseCode::OperationFailed, "Failed to determine share enable state", true);
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} else {
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cli->sendMsg(ResponseCode::ShareEnabledResult,
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(enabled ? "Share enabled" : "Share disabled"), false);
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}
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return 0;
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} else {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Unknown volume cmd", false);
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}
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if (!rc) {
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cli->sendMsg(ResponseCode::CommandOkay, "volume operation succeeded", false);
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} else {
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int erno = errno;
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rc = ResponseCode::convertFromErrno();
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cli->sendMsg(rc, "volume operation failed", true);
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}
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return 0;
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}
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CommandListener::ShareCmd::ShareCmd() :
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VoldCommand("share") {
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}
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int CommandListener::ShareCmd::runCommand(SocketClient *cli,
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int argc, char **argv) {
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dumpArgs(argc, argv, -1);
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if (argc < 2) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing Argument", false);
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return 0;
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}
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VolumeManager *vm = VolumeManager::Instance();
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int rc = 0;
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if (!strcmp(argv[1], "status")) {
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bool avail = false;
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if (vm->shareAvailable(argv[2], &avail)) {
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cli->sendMsg(
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ResponseCode::OperationFailed, "Failed to determine share availability", true);
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} else {
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cli->sendMsg(ResponseCode::ShareStatusResult,
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(avail ? "Share available" : "Share unavailable"), false);
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}
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} else {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Unknown share cmd", false);
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}
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return 0;
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}
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CommandListener::StorageCmd::StorageCmd() :
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VoldCommand("storage") {
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}
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int CommandListener::StorageCmd::runCommand(SocketClient *cli,
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int argc, char **argv) {
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dumpArgs(argc, argv, -1);
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if (argc < 2) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing Argument", false);
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return 0;
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}
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if (!strcmp(argv[1], "users")) {
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DIR *dir;
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struct dirent *de;
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if (!(dir = opendir("/proc"))) {
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cli->sendMsg(ResponseCode::OperationFailed, "Failed to open /proc", true);
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return 0;
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}
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while ((de = readdir(dir))) {
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int pid = Process::getPid(de->d_name);
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if (pid < 0) {
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continue;
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}
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char processName[255];
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Process::getProcessName(pid, processName, sizeof(processName));
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if (Process::checkFileDescriptorSymLinks(pid, argv[2]) ||
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Process::checkFileMaps(pid, argv[2]) ||
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Process::checkSymLink(pid, argv[2], "cwd") ||
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Process::checkSymLink(pid, argv[2], "root") ||
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Process::checkSymLink(pid, argv[2], "exe")) {
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char msg[1024];
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snprintf(msg, sizeof(msg), "%d %s", pid, processName);
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cli->sendMsg(ResponseCode::StorageUsersListResult, msg, false);
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}
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}
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closedir(dir);
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cli->sendMsg(ResponseCode::CommandOkay, "Storage user list complete", false);
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} else {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Unknown storage cmd", false);
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}
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return 0;
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}
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CommandListener::AsecCmd::AsecCmd() :
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VoldCommand("asec") {
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}
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int CommandListener::AsecCmd::runCommand(SocketClient *cli,
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int argc, char **argv) {
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if (argc < 2) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing Argument", false);
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return 0;
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}
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VolumeManager *vm = VolumeManager::Instance();
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int rc = 0;
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if (!strcmp(argv[1], "list")) {
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dumpArgs(argc, argv, -1);
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DIR *d = opendir(Volume::SEC_ASECDIR);
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if (!d) {
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cli->sendMsg(ResponseCode::OperationFailed, "Failed to open asec dir", true);
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return 0;
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}
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struct dirent *dent;
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while ((dent = readdir(d))) {
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if (dent->d_name[0] == '.')
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continue;
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if (!strcmp(&dent->d_name[strlen(dent->d_name)-5], ".asec")) {
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char id[255];
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memset(id, 0, sizeof(id));
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strncpy(id, dent->d_name, strlen(dent->d_name) -5);
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cli->sendMsg(ResponseCode::AsecListResult, id, false);
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}
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}
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closedir(d);
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} else if (!strcmp(argv[1], "create")) {
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dumpArgs(argc, argv, 5);
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if (argc != 7) {
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cli->sendMsg(ResponseCode::CommandSyntaxError,
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"Usage: asec create <container-id> <size_mb> <fstype> <key> <ownerUid>", false);
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return 0;
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}
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unsigned int numSectors = (atoi(argv[3]) * (1024 * 1024)) / 512;
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rc = vm->createAsec(argv[2], numSectors, argv[4], argv[5], atoi(argv[6]));
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} else if (!strcmp(argv[1], "finalize")) {
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dumpArgs(argc, argv, -1);
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if (argc != 3) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Usage: asec finalize <container-id>", false);
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return 0;
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}
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rc = vm->finalizeAsec(argv[2]);
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} else if (!strcmp(argv[1], "destroy")) {
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dumpArgs(argc, argv, -1);
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if (argc < 3) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Usage: asec destroy <container-id> [force]", false);
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return 0;
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}
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bool force = false;
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if (argc > 3 && !strcmp(argv[3], "force")) {
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force = true;
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}
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rc = vm->destroyAsec(argv[2], force);
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} else if (!strcmp(argv[1], "mount")) {
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dumpArgs(argc, argv, 3);
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if (argc != 5) {
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cli->sendMsg(ResponseCode::CommandSyntaxError,
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"Usage: asec mount <namespace-id> <key> <ownerUid>", false);
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return 0;
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}
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rc = vm->mountAsec(argv[2], argv[3], atoi(argv[4]));
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} else if (!strcmp(argv[1], "unmount")) {
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dumpArgs(argc, argv, -1);
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if (argc < 3) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Usage: asec unmount <container-id> [force]", false);
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return 0;
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}
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bool force = false;
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if (argc > 3 && !strcmp(argv[3], "force")) {
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force = true;
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}
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rc = vm->unmountAsec(argv[2], force);
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} else if (!strcmp(argv[1], "rename")) {
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dumpArgs(argc, argv, -1);
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if (argc != 4) {
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cli->sendMsg(ResponseCode::CommandSyntaxError,
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"Usage: asec rename <old_id> <new_id>", false);
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return 0;
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}
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rc = vm->renameAsec(argv[2], argv[3]);
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} else if (!strcmp(argv[1], "path")) {
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dumpArgs(argc, argv, -1);
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if (argc != 3) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Usage: asec path <container-id>", false);
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return 0;
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}
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char path[255];
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if (!(rc = vm->getAsecMountPath(argv[2], path, sizeof(path)))) {
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cli->sendMsg(ResponseCode::AsecPathResult, path, false);
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return 0;
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}
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} else {
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dumpArgs(argc, argv, -1);
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Unknown asec cmd", false);
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}
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if (!rc) {
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cli->sendMsg(ResponseCode::CommandOkay, "asec operation succeeded", false);
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} else {
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rc = ResponseCode::convertFromErrno();
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cli->sendMsg(rc, "asec operation failed", true);
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}
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return 0;
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}
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CommandListener::ObbCmd::ObbCmd() :
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VoldCommand("obb") {
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}
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int CommandListener::ObbCmd::runCommand(SocketClient *cli,
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int argc, char **argv) {
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if (argc < 2) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing Argument", false);
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return 0;
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}
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VolumeManager *vm = VolumeManager::Instance();
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int rc = 0;
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if (!strcmp(argv[1], "list")) {
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dumpArgs(argc, argv, -1);
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rc = vm->listMountedObbs(cli);
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} else if (!strcmp(argv[1], "mount")) {
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dumpArgs(argc, argv, 3);
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if (argc != 5) {
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cli->sendMsg(ResponseCode::CommandSyntaxError,
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"Usage: obb mount <filename> <key> <ownerUid>", false);
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return 0;
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}
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rc = vm->mountObb(argv[2], argv[3], atoi(argv[4]));
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} else if (!strcmp(argv[1], "unmount")) {
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dumpArgs(argc, argv, -1);
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if (argc < 3) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Usage: obb unmount <source file> [force]", false);
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return 0;
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}
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bool force = false;
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if (argc > 3 && !strcmp(argv[3], "force")) {
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force = true;
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}
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rc = vm->unmountObb(argv[2], force);
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} else if (!strcmp(argv[1], "path")) {
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dumpArgs(argc, argv, -1);
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if (argc != 3) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Usage: obb path <source file>", false);
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return 0;
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}
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char path[255];
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if (!(rc = vm->getObbMountPath(argv[2], path, sizeof(path)))) {
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cli->sendMsg(ResponseCode::AsecPathResult, path, false);
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return 0;
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}
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} else {
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dumpArgs(argc, argv, -1);
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Unknown obb cmd", false);
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}
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if (!rc) {
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cli->sendMsg(ResponseCode::CommandOkay, "obb operation succeeded", false);
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} else {
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rc = ResponseCode::convertFromErrno();
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cli->sendMsg(rc, "obb operation failed", true);
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}
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return 0;
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}
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CommandListener::XwarpCmd::XwarpCmd() :
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VoldCommand("xwarp") {
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}
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int CommandListener::XwarpCmd::runCommand(SocketClient *cli,
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int argc, char **argv) {
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if (argc < 2) {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing Argument", false);
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return 0;
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}
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if (!strcmp(argv[1], "enable")) {
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if (Xwarp::enable()) {
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cli->sendMsg(ResponseCode::OperationFailed, "Failed to enable xwarp", true);
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return 0;
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}
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cli->sendMsg(ResponseCode::CommandOkay, "Xwarp mirroring started", false);
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} else if (!strcmp(argv[1], "disable")) {
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if (Xwarp::disable()) {
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cli->sendMsg(ResponseCode::OperationFailed, "Failed to disable xwarp", true);
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return 0;
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}
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cli->sendMsg(ResponseCode::CommandOkay, "Xwarp disabled", false);
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} else if (!strcmp(argv[1], "status")) {
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char msg[255];
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bool r;
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unsigned mirrorPos, maxSize;
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if (Xwarp::status(&r, &mirrorPos, &maxSize)) {
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cli->sendMsg(ResponseCode::OperationFailed, "Failed to get xwarp status", true);
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return 0;
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}
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snprintf(msg, sizeof(msg), "%s %u %u", (r ? "ready" : "not-ready"), mirrorPos, maxSize);
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cli->sendMsg(ResponseCode::XwarpStatusResult, msg, false);
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} else {
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cli->sendMsg(ResponseCode::CommandSyntaxError, "Unknown storage cmd", false);
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}
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return 0;
|
|
}
|
|
|
|
CommandListener::CryptfsCmd::CryptfsCmd() :
|
|
VoldCommand("cryptfs") {
|
|
}
|
|
|
|
int CommandListener::CryptfsCmd::runCommand(SocketClient *cli,
|
|
int argc, char **argv) {
|
|
if (argc < 2) {
|
|
cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing Argument", false);
|
|
return 0;
|
|
}
|
|
|
|
int rc = 0;
|
|
|
|
if (!strcmp(argv[1], "checkpw")) {
|
|
if (argc != 3) {
|
|
cli->sendMsg(ResponseCode::CommandSyntaxError, "Usage: cryptfs checkpw <passwd>", false);
|
|
return 0;
|
|
}
|
|
dumpArgs(argc, argv, 2);
|
|
rc = cryptfs_check_passwd(argv[2]);
|
|
} else if (!strcmp(argv[1], "restart")) {
|
|
if (argc != 2) {
|
|
cli->sendMsg(ResponseCode::CommandSyntaxError, "Usage: cryptfs restart", false);
|
|
return 0;
|
|
}
|
|
dumpArgs(argc, argv, -1);
|
|
rc = cryptfs_restart();
|
|
} else if (!strcmp(argv[1], "enablecrypto")) {
|
|
if ( (argc != 4) || (strcmp(argv[2], "wipe") && strcmp(argv[2], "inplace")) ) {
|
|
cli->sendMsg(ResponseCode::CommandSyntaxError, "Usage: cryptfs enablecrypto <wipe|inplace> <passwd>", false);
|
|
return 0;
|
|
}
|
|
dumpArgs(argc, argv, 3);
|
|
rc = cryptfs_enable(argv[2], argv[3]);
|
|
} else if (!strcmp(argv[1], "changepw")) {
|
|
if (argc != 4) {
|
|
cli->sendMsg(ResponseCode::CommandSyntaxError, "Usage: cryptfs changepw <oldpasswd> <newpasswd>", false);
|
|
return 0;
|
|
}
|
|
SLOGD("cryptfs changepw {} {}");
|
|
rc = cryptfs_changepw(argv[2], argv[3]);
|
|
} else {
|
|
dumpArgs(argc, argv, -1);
|
|
cli->sendMsg(ResponseCode::CommandSyntaxError, "Unknown cryptfs cmd", false);
|
|
}
|
|
|
|
if (!rc) {
|
|
cli->sendMsg(ResponseCode::CommandOkay, "cryptfs operation succeeded", false);
|
|
} else {
|
|
int erno = errno;
|
|
rc = ResponseCode::convertFromErrno();
|
|
cli->sendMsg(rc, "cryptfs operation failed", true);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|