builtins.c revision b6ee25e3ad4cffa2b0f5bb734df4b503e1e367ba
14f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project/* 24f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 34f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * 44f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 54f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * you may not use this file except in compliance with the License. 64f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * You may obtain a copy of the License at 74f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * 84f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 94f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * 104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * See the License for the specific language governing permissions and 144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * limitations under the License. 154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project */ 164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <sys/types.h> 184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <sys/stat.h> 194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <fcntl.h> 204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <unistd.h> 214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <string.h> 224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <stdio.h> 234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <linux/kd.h> 244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <errno.h> 254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <sys/socket.h> 264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <netinet/in.h> 274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <linux/if.h> 284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <arpa/inet.h> 294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <stdlib.h> 304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <sys/mount.h> 314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <sys/resource.h> 32e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik)#include <linux/loop.h> 337bc6e9ebe4783d5fbae17d7249cb80e997531598Ken Sumrall#include <cutils/partition_utils.h> 3484bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin#include <sys/system_properties.h> 354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 36e46f9d510db9351682cf17c49115110870147335Stephen Smalley#ifdef HAVE_SELINUX 37e46f9d510db9351682cf17c49115110870147335Stephen Smalley#include <selinux/selinux.h> 38e46f9d510db9351682cf17c49115110870147335Stephen Smalley#include <selinux/label.h> 39e46f9d510db9351682cf17c49115110870147335Stephen Smalley#endif 40e46f9d510db9351682cf17c49115110870147335Stephen Smalley 414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "init.h" 424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "keywords.h" 434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "property_service.h" 444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "devices.h" 456310a8261c922533a692fb3e74ece2da98d4bafaColin Cross#include "init_parser.h" 463899e9fc01cf608f19f716749c54cc5c4d17e766Colin Cross#include "util.h" 47ed8a7d84428ec945c48b6b53dc5a3a18fabaf683Colin Cross#include "log.h" 484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <private/android_filesystem_config.h> 504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid add_environment(const char *name, const char *value); 524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectextern int init_module(void *, unsigned long, const char *); 544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic int write_file(const char *path, const char *value) 564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int fd, ret, len; 584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project fd = open(path, O_WRONLY|O_CREAT, 0622); 604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (fd < 0) 62008abac082f1c098d402f944d9287dce67ffce0aMike Chan return -errno; 634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project len = strlen(value); 654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project do { 674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = write(fd, value, len); 684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } while (ret < 0 && errno == EINTR); 694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project close(fd); 714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (ret < 0) { 72008abac082f1c098d402f944d9287dce67ffce0aMike Chan return -errno; 734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Projectstatic int insmod(const char *filename, char *options) 794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project void *module; 814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project unsigned size; 824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int ret; 834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project module = read_file(filename, &size); 854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!module) 864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 8835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project ret = init_module(module, size, options); 894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project free(module); 914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return ret; 934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic int setkey(struct kbentry *kbe) 964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int fd, ret; 984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project fd = open("/dev/tty0", O_RDWR | O_SYNC); 1004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (fd < 0) 1014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 1024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = ioctl(fd, KDSKBENT, kbe); 1044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project close(fd); 1064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return ret; 1074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic int __ifupdown(const char *interface, int up) 1104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct ifreq ifr; 1124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int s, ret; 1134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project strlcpy(ifr.ifr_name, interface, IFNAMSIZ); 1154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project s = socket(AF_INET, SOCK_DGRAM, 0); 1174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (s < 0) 1184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 1194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = ioctl(s, SIOCGIFFLAGS, &ifr); 1214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (ret < 0) { 1224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project goto done; 1234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (up) 1264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ifr.ifr_flags |= IFF_UP; 1274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project else 1284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ifr.ifr_flags &= ~IFF_UP; 1294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = ioctl(s, SIOCSIFFLAGS, &ifr); 1314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectdone: 1334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project close(s); 1344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return ret; 1354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic void service_start_if_not_disabled(struct service *svc) 1384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!(svc->flags & SVC_DISABLED)) { 140f24e252903ca0f71c7fbfb135cf17e83e0c2ea90San Mehat service_start(svc, NULL); 1414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 144e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik)int do_chdir(int nargs, char **args) 145e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik){ 146e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik) chdir(args[1]); 147e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik) return 0; 148e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik)} 149e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik) 150e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik)int do_chroot(int nargs, char **args) 151e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik){ 152e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik) chroot(args[1]); 153e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik) return 0; 154e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik)} 155e7cb137f32fbc7caf97b80fac152b4bd3ac242cdJay Freeman (saurik) 1564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_class_start(int nargs, char **args) 1574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* Starting a class does not start services 1594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * which are explicitly disabled. They must 1604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * be started individually. 1614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project */ 1624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_for_each_class(args[1], service_start_if_not_disabled); 1634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 1644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_class_stop(int nargs, char **args) 1674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_for_each_class(args[1], service_stop); 1694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 1704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 172752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrallint do_class_reset(int nargs, char **args) 173752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall{ 174752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall service_for_each_class(args[1], service_reset); 175752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall return 0; 176752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall} 177752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall 1784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_domainname(int nargs, char **args) 1794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return write_file("/proc/sys/kernel/domainname", args[1]); 1814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_exec(int nargs, char **args) 1844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 1864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_export(int nargs, char **args) 1894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project add_environment(args[1], args[2]); 1914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 1924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_hostname(int nargs, char **args) 1954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return write_file("/proc/sys/kernel/hostname", args[1]); 1974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_ifup(int nargs, char **args) 2004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return __ifupdown(args[1], 1); 2024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 20435237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 20535237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Projectstatic int do_insmod_inner(int nargs, char **args, int opt_len) 20635237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project{ 20735237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project char options[opt_len + 1]; 20835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project int i; 20935237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 21035237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project options[0] = '\0'; 21135237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project if (nargs > 2) { 21235237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project strcpy(options, args[2]); 21335237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project for (i = 3; i < nargs; ++i) { 21435237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project strcat(options, " "); 21535237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project strcat(options, args[i]); 21635237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project } 21735237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project } 21835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 21935237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project return insmod(args[1], options); 22035237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project} 22135237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 2224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_insmod(int nargs, char **args) 2234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 22435237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project int i; 22535237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project int size = 0; 22635237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 22735237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project if (nargs > 2) { 22835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project for (i = 2; i < nargs; ++i) 22935237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project size += strlen(args[i]) + 1; 23035237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project } 23135237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 23235237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project return do_insmod_inner(nargs, args, size); 2334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_mkdir(int nargs, char **args) 2364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode_t mode = 0755; 23827164dce5f0788476449057c978fa24e62245cb8Chia-chi Yeh int ret; 2394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* mkdir <path> [mode] [owner] [group] */ 2414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs >= 3) { 2434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode = strtoul(args[2], 0, 8); 2444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 24627164dce5f0788476449057c978fa24e62245cb8Chia-chi Yeh ret = mkdir(args[1], mode); 24727164dce5f0788476449057c978fa24e62245cb8Chia-chi Yeh /* chmod in case the directory already exists */ 24827164dce5f0788476449057c978fa24e62245cb8Chia-chi Yeh if (ret == -1 && errno == EEXIST) { 24927164dce5f0788476449057c978fa24e62245cb8Chia-chi Yeh ret = chmod(args[1], mode); 25027164dce5f0788476449057c978fa24e62245cb8Chia-chi Yeh } 25127164dce5f0788476449057c978fa24e62245cb8Chia-chi Yeh if (ret == -1) { 2524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 2534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs >= 4) { 2564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project uid_t uid = decode_uid(args[3]); 2574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project gid_t gid = -1; 2584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs == 5) { 2604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project gid = decode_uid(args[4]); 2614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (chown(args[1], uid, gid)) { 2644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 2654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 2694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic struct { 2724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const char *name; 2734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project unsigned flag; 2744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} mount_flags[] = { 2754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "noatime", MS_NOATIME }, 276b6ee25e3ad4cffa2b0f5bb734df4b503e1e367baLars Svensson { "noexec", MS_NOEXEC }, 2774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "nosuid", MS_NOSUID }, 2784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "nodev", MS_NODEV }, 2794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "nodiratime", MS_NODIRATIME }, 2804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "ro", MS_RDONLY }, 2814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "rw", 0 }, 2824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "remount", MS_REMOUNT }, 2834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "defaults", 0 }, 2844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { 0, 0 }, 2854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project}; 2864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 287752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall#define DATA_MNT_POINT "/data" 288752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall 2894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project/* mount <type> <device> <path> <flags ...> <options> */ 2904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_mount(int nargs, char **args) 2914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project char tmp[64]; 293e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) char *source, *target, *system; 2944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project char *options = NULL; 2954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project unsigned flags = 0; 2964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int n, i; 297cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross int wait = 0; 2984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (n = 4; n < nargs; n++) { 3004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (i = 0; mount_flags[i].name; i++) { 3014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!strcmp(args[n], mount_flags[i].name)) { 3024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project flags |= mount_flags[i].flag; 3034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 3044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 307cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross if (!mount_flags[i].name) { 308cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross if (!strcmp(args[n], "wait")) 309cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross wait = 1; 310cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross /* if our last argument isn't a flag, wolf it up as an option string */ 311cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross else if (n + 1 == nargs) 312cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross options = args[n]; 313cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross } 3144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 316e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) system = args[1]; 3174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project source = args[2]; 318e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) target = args[3]; 319e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 3204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!strncmp(source, "mtd@", 4)) { 3214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project n = mtd_name_to_number(source + 4); 322e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (n < 0) { 323e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 324e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 325e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 326e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) sprintf(tmp, "/dev/block/mtdblock%d", n); 327e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 328cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross if (wait) 329cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross wait_for_file(tmp, COMMAND_RETRY_TIMEOUT); 330e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (mount(tmp, target, system, flags, options) < 0) { 331e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 332e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 333e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 334dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall goto exit_success; 335e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } else if (!strncmp(source, "loop@", 5)) { 336e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) int mode, loop, fd; 337e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) struct loop_info info; 338e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 339e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) mode = (flags & MS_RDONLY) ? O_RDONLY : O_RDWR; 340e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) fd = open(source + 5, mode); 341e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (fd < 0) { 342e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 3434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 344e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 345e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) for (n = 0; ; n++) { 346e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) sprintf(tmp, "/dev/block/loop%d", n); 347e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) loop = open(tmp, mode); 348e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (loop < 0) { 349e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 350e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 351e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 352e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) /* if it is a blank loop device */ 353e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (ioctl(loop, LOOP_GET_STATUS, &info) < 0 && errno == ENXIO) { 354e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) /* if it becomes our loop device */ 355e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (ioctl(loop, LOOP_SET_FD, fd) >= 0) { 356e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) close(fd); 357e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 358e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (mount(tmp, target, system, flags, options) < 0) { 359e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) ioctl(loop, LOOP_CLR_FD, 0); 360e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) close(loop); 361e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 362e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 363e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 364e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) close(loop); 365dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall goto exit_success; 366e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 367e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 368e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 369e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) close(loop); 370e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 371e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 372e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) close(fd); 373e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) ERROR("out of loopback devices"); 374e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 375e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } else { 376cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross if (wait) 377cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross wait_for_file(source, COMMAND_RETRY_TIMEOUT); 378e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (mount(source, target, system, flags, options) < 0) { 3797bc6e9ebe4783d5fbae17d7249cb80e997531598Ken Sumrall /* If this fails, it may be an encrypted filesystem 3807bc6e9ebe4783d5fbae17d7249cb80e997531598Ken Sumrall * or it could just be wiped. If wiped, that will be 3817bc6e9ebe4783d5fbae17d7249cb80e997531598Ken Sumrall * handled later in the boot process. 382752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall * We only support encrypting /data. Check 383752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall * if we're trying to mount it, and if so, 384752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall * assume it's encrypted, mount a tmpfs instead. 385752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall * Then save the orig mount parms in properties 386752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall * for vold to query when it mounts the real 387752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall * encrypted /data. 388752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall */ 3897bc6e9ebe4783d5fbae17d7249cb80e997531598Ken Sumrall if (!strcmp(target, DATA_MNT_POINT) && !partition_wiped(source)) { 390752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall const char *tmpfs_options; 391752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall 392752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall tmpfs_options = property_get("ro.crypto.tmpfs_options"); 393752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall 394752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall if (mount("tmpfs", target, "tmpfs", MS_NOATIME | MS_NOSUID | MS_NODEV, 395752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall tmpfs_options) < 0) { 396752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall return -1; 397752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall } 398752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall 399752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall /* Set the property that triggers the framework to do a minimal 400752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall * startup and ask the user for a password 401752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall */ 4024e84d3bcf9af3452128fe2e8dc7607dff9016facKen Sumrall property_set("ro.crypto.state", "encrypted"); 403752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall property_set("vold.decrypt", "1"); 404752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall } else { 405752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall return -1; 406752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall } 407e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 408e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 409752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall if (!strcmp(target, DATA_MNT_POINT)) { 410752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall char fs_flags[32]; 411752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall 412752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall /* Save the original mount options */ 413752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall property_set("ro.crypto.fs_type", system); 414752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall property_set("ro.crypto.fs_real_blkdev", source); 415752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall property_set("ro.crypto.fs_mnt_point", target); 416752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall if (options) { 417752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall property_set("ro.crypto.fs_options", options); 418752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall } 419752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall snprintf(fs_flags, sizeof(fs_flags), "0x%8.8x", flags); 420752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall property_set("ro.crypto.fs_flags", fs_flags); 421752923c168009d03e9e00e590155fbd0a2880ccbKen Sumrall } 4224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 423dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall 424dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrallexit_success: 425dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall /* If not running encrypted, then set the property saying we are 426dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall * unencrypted, and also trigger the action for a nonencrypted system. 427dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall */ 428dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall if (!strcmp(target, DATA_MNT_POINT)) { 429c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall const char *prop; 430c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall 431dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall prop = property_get("ro.crypto.state"); 432dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall if (! prop) { 433dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall prop = "notset"; 434dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall } 435dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall if (strcmp(prop, "encrypted")) { 436dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall property_set("ro.crypto.state", "unencrypted"); 437dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall action_for_each_trigger("nonencrypted", action_add_queue_tail); 438dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall } 439dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall } 440dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall 441dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall return 0; 442dd4d786cbf993a024fcd0f926fd40b90c8a08d51Ken Sumrall 4434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 4444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 445e46f9d510db9351682cf17c49115110870147335Stephen Smalleyint do_setcon(int nargs, char **args) { 446e46f9d510db9351682cf17c49115110870147335Stephen Smalley#ifdef HAVE_SELINUX 447e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (is_selinux_enabled() <= 0) 448e46f9d510db9351682cf17c49115110870147335Stephen Smalley return 0; 449e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (setcon(args[1]) < 0) { 450e46f9d510db9351682cf17c49115110870147335Stephen Smalley return -errno; 451e46f9d510db9351682cf17c49115110870147335Stephen Smalley } 452e46f9d510db9351682cf17c49115110870147335Stephen Smalley#endif 453e46f9d510db9351682cf17c49115110870147335Stephen Smalley return 0; 454e46f9d510db9351682cf17c49115110870147335Stephen Smalley} 455e46f9d510db9351682cf17c49115110870147335Stephen Smalley 456e46f9d510db9351682cf17c49115110870147335Stephen Smalleyint do_setenforce(int nargs, char **args) { 457e46f9d510db9351682cf17c49115110870147335Stephen Smalley#ifdef HAVE_SELINUX 458e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (is_selinux_enabled() <= 0) 459e46f9d510db9351682cf17c49115110870147335Stephen Smalley return 0; 460e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (security_setenforce(atoi(args[1])) < 0) { 461e46f9d510db9351682cf17c49115110870147335Stephen Smalley return -errno; 462e46f9d510db9351682cf17c49115110870147335Stephen Smalley } 463e46f9d510db9351682cf17c49115110870147335Stephen Smalley#endif 464e46f9d510db9351682cf17c49115110870147335Stephen Smalley return 0; 465e46f9d510db9351682cf17c49115110870147335Stephen Smalley} 466e46f9d510db9351682cf17c49115110870147335Stephen Smalley 4674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_setkey(int nargs, char **args) 4684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 4694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct kbentry kbe; 4704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project kbe.kb_table = strtoul(args[1], 0, 0); 4714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project kbe.kb_index = strtoul(args[2], 0, 0); 4724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project kbe.kb_value = strtoul(args[3], 0, 0); 4734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return setkey(&kbe); 4744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 4754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 4764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_setprop(int nargs, char **args) 4774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 4781f0bd32f90161940d531040677099f32eef21fc4Mike Lockwood const char *name = args[1]; 4791f0bd32f90161940d531040677099f32eef21fc4Mike Lockwood const char *value = args[2]; 48084bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin char prop_val[PROP_VALUE_MAX]; 48184bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin int ret; 4821f0bd32f90161940d531040677099f32eef21fc4Mike Lockwood 48384bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin ret = expand_props(prop_val, value, sizeof(prop_val)); 48484bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin if (ret) { 48584bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin ERROR("cannot expand '%s' while assigning to '%s'\n", value, name); 48684bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin return -EINVAL; 4871f0bd32f90161940d531040677099f32eef21fc4Mike Lockwood } 48884bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin property_set(name, prop_val); 4894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 4904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 4914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 4924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_setrlimit(int nargs, char **args) 4934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 4944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct rlimit limit; 4954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int resource; 4964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project resource = atoi(args[1]); 4974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project limit.rlim_cur = atoi(args[2]); 4984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project limit.rlim_max = atoi(args[3]); 4994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return setrlimit(resource, &limit); 5004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_start(int nargs, char **args) 5034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 5044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct service *svc; 5054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project svc = service_find_by_name(args[1]); 5064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (svc) { 507f24e252903ca0f71c7fbfb135cf17e83e0c2ea90San Mehat service_start(svc, NULL); 5084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 5104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_stop(int nargs, char **args) 5134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 5144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct service *svc; 5154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project svc = service_find_by_name(args[1]); 5164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (svc) { 5174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_stop(svc); 5184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 5204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_restart(int nargs, char **args) 5234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 5244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct service *svc; 5254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project svc = service_find_by_name(args[1]); 5264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (svc) { 5274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_stop(svc); 528f24e252903ca0f71c7fbfb135cf17e83e0c2ea90San Mehat service_start(svc, NULL); 5294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 5314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_trigger(int nargs, char **args) 5344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 53511e1c42df69b15c938aa1b7570e4370e6ab15a86Jay Freeman (saurik) action_for_each_trigger(args[1], action_add_queue_tail); 5364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 5374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_symlink(int nargs, char **args) 5404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 5414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return symlink(args[1], args[2]); 5424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 544203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrallint do_rm(int nargs, char **args) 545203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall{ 546203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall return unlink(args[1]); 547203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall} 548203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall 549203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrallint do_rmdir(int nargs, char **args) 550203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall{ 551203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall return rmdir(args[1]); 552203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall} 553203bad597fb4e46ddda051add28400070b5c3a5aKen Sumrall 55435237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Projectint do_sysclktz(int nargs, char **args) 55535237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project{ 55635237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project struct timezone tz; 55735237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 55835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project if (nargs != 2) 55935237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project return -1; 56035237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 56135237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project memset(&tz, 0, sizeof(tz)); 56235237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project tz.tz_minuteswest = atoi(args[1]); 56335237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project if (settimeofday(NULL, &tz)) 56435237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project return -1; 56535237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project return 0; 56635237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project} 56735237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 5684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_write(int nargs, char **args) 5694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 5701f0bd32f90161940d531040677099f32eef21fc4Mike Lockwood const char *path = args[1]; 5711f0bd32f90161940d531040677099f32eef21fc4Mike Lockwood const char *value = args[2]; 57284bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin char prop_val[PROP_VALUE_MAX]; 57384bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin int ret; 5742c4d5dc41505d28cff369cfbe8b17ac81106d936Mike Lockwood 57584bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin ret = expand_props(prop_val, value, sizeof(prop_val)); 57684bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin if (ret) { 57784bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin ERROR("cannot expand '%s' while writing to '%s'\n", value, path); 57884bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin return -EINVAL; 57984bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin } 58084bf9af758c84da7d9ff2929bce06bf2b2f239b8Dima Zavin return write_file(path, prop_val); 5814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5837c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehatint do_copy(int nargs, char **args) 5847c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat{ 5857c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat char *buffer = NULL; 5867c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat int rc = 0; 5877c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat int fd1 = -1, fd2 = -1; 5887c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat struct stat info; 5897c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat int brtw, brtr; 5907c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat char *p; 5917c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 5927c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (nargs != 3) 5937c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat return -1; 5947c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 5957c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (stat(args[1], &info) < 0) 5967c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat return -1; 5977c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 5987c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if ((fd1 = open(args[1], O_RDONLY)) < 0) 5997c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out_err; 6007c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 6014833d9f4986d6dafacff841beb3bf93172c84bdcTom Zhu if ((fd2 = open(args[2], O_WRONLY|O_CREAT|O_TRUNC, 0660)) < 0) 6027c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out_err; 6037c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 6047c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (!(buffer = malloc(info.st_size))) 6057c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out_err; 6067c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 6077c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat p = buffer; 6087c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat brtr = info.st_size; 6097c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat while(brtr) { 6107c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat rc = read(fd1, p, brtr); 6117c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (rc < 0) 6127c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out_err; 6137c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (rc == 0) 6147c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat break; 6157c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat p += rc; 6167c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat brtr -= rc; 6177c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat } 6187c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 6197c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat p = buffer; 6207c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat brtw = info.st_size; 6217c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat while(brtw) { 6227c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat rc = write(fd2, p, brtw); 6237c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (rc < 0) 6247c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out_err; 6257c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (rc == 0) 6267c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat break; 6277c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat p += rc; 6287c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat brtw -= rc; 6297c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat } 6307c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 6317c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat rc = 0; 6327c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out; 6337c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehatout_err: 6347c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat rc = -1; 6357c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehatout: 6367c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (buffer) 6377c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat free(buffer); 6387c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (fd1 >= 0) 6397c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat close(fd1); 6407c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (fd2 >= 0) 6417c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat close(fd2); 6427c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat return rc; 6437c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat} 6447c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 6454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_chown(int nargs, char **args) { 6464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* GID is optional. */ 6474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs == 3) { 6484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (chown(args[2], decode_uid(args[1]), -1) < 0) 6494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 6504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else if (nargs == 4) { 6514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (chown(args[3], decode_uid(args[1]), decode_uid(args[2]))) 6524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 6534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 6544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 6554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 6564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 6574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 6584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 6594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic mode_t get_mode(const char *s) { 6604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode_t mode = 0; 6614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project while (*s) { 6624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (*s >= '0' && *s <= '7') { 6634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode = (mode<<3) | (*s-'0'); 6644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 6654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 6664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 6674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project s++; 6684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 6694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return mode; 6704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 6714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 6724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_chmod(int nargs, char **args) { 6734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode_t mode = get_mode(args[1]); 6744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (chmod(args[2], mode) < 0) { 6754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 6764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 6774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 6784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 6794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 680e46f9d510db9351682cf17c49115110870147335Stephen Smalleyint do_restorecon(int nargs, char **args) { 681e46f9d510db9351682cf17c49115110870147335Stephen Smalley#ifdef HAVE_SELINUX 682e46f9d510db9351682cf17c49115110870147335Stephen Smalley char *secontext = NULL; 683e46f9d510db9351682cf17c49115110870147335Stephen Smalley struct stat sb; 684e46f9d510db9351682cf17c49115110870147335Stephen Smalley int i; 685e46f9d510db9351682cf17c49115110870147335Stephen Smalley 686e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (is_selinux_enabled() <= 0 || !sehandle) 687e46f9d510db9351682cf17c49115110870147335Stephen Smalley return 0; 688e46f9d510db9351682cf17c49115110870147335Stephen Smalley 689e46f9d510db9351682cf17c49115110870147335Stephen Smalley for (i = 1; i < nargs; i++) { 690e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (lstat(args[i], &sb) < 0) 691e46f9d510db9351682cf17c49115110870147335Stephen Smalley return -errno; 692e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (selabel_lookup(sehandle, &secontext, args[i], sb.st_mode) < 0) 693e46f9d510db9351682cf17c49115110870147335Stephen Smalley return -errno; 694e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (lsetfilecon(args[i], secontext) < 0) { 695e46f9d510db9351682cf17c49115110870147335Stephen Smalley freecon(secontext); 696e46f9d510db9351682cf17c49115110870147335Stephen Smalley return -errno; 697e46f9d510db9351682cf17c49115110870147335Stephen Smalley } 698e46f9d510db9351682cf17c49115110870147335Stephen Smalley freecon(secontext); 699e46f9d510db9351682cf17c49115110870147335Stephen Smalley } 700e46f9d510db9351682cf17c49115110870147335Stephen Smalley#endif 701e46f9d510db9351682cf17c49115110870147335Stephen Smalley return 0; 702e46f9d510db9351682cf17c49115110870147335Stephen Smalley} 703e46f9d510db9351682cf17c49115110870147335Stephen Smalley 704e46f9d510db9351682cf17c49115110870147335Stephen Smalleyint do_setsebool(int nargs, char **args) { 705e46f9d510db9351682cf17c49115110870147335Stephen Smalley#ifdef HAVE_SELINUX 706e46f9d510db9351682cf17c49115110870147335Stephen Smalley SELboolean *b = alloca(nargs * sizeof(SELboolean)); 707e46f9d510db9351682cf17c49115110870147335Stephen Smalley char *v; 708e46f9d510db9351682cf17c49115110870147335Stephen Smalley int i; 709e46f9d510db9351682cf17c49115110870147335Stephen Smalley 710e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (is_selinux_enabled() <= 0) 711e46f9d510db9351682cf17c49115110870147335Stephen Smalley return 0; 712e46f9d510db9351682cf17c49115110870147335Stephen Smalley 713e46f9d510db9351682cf17c49115110870147335Stephen Smalley for (i = 1; i < nargs; i++) { 714e46f9d510db9351682cf17c49115110870147335Stephen Smalley char *name = args[i]; 715e46f9d510db9351682cf17c49115110870147335Stephen Smalley v = strchr(name, '='); 716e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (!v) { 717e46f9d510db9351682cf17c49115110870147335Stephen Smalley ERROR("setsebool: argument %s had no =\n", name); 718e46f9d510db9351682cf17c49115110870147335Stephen Smalley return -EINVAL; 719e46f9d510db9351682cf17c49115110870147335Stephen Smalley } 720e46f9d510db9351682cf17c49115110870147335Stephen Smalley *v++ = 0; 721e46f9d510db9351682cf17c49115110870147335Stephen Smalley b[i-1].name = name; 722e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (!strcmp(v, "1") || !strcasecmp(v, "true") || !strcasecmp(v, "on")) 723e46f9d510db9351682cf17c49115110870147335Stephen Smalley b[i-1].value = 1; 724e46f9d510db9351682cf17c49115110870147335Stephen Smalley else if (!strcmp(v, "0") || !strcasecmp(v, "false") || !strcasecmp(v, "off")) 725e46f9d510db9351682cf17c49115110870147335Stephen Smalley b[i-1].value = 0; 726e46f9d510db9351682cf17c49115110870147335Stephen Smalley else { 727e46f9d510db9351682cf17c49115110870147335Stephen Smalley ERROR("setsebool: invalid value %s\n", v); 728e46f9d510db9351682cf17c49115110870147335Stephen Smalley return -EINVAL; 729e46f9d510db9351682cf17c49115110870147335Stephen Smalley } 730e46f9d510db9351682cf17c49115110870147335Stephen Smalley } 731e46f9d510db9351682cf17c49115110870147335Stephen Smalley 732e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (security_set_boolean_list(nargs - 1, b, 0) < 0) 733e46f9d510db9351682cf17c49115110870147335Stephen Smalley return -errno; 734e46f9d510db9351682cf17c49115110870147335Stephen Smalley#endif 735e46f9d510db9351682cf17c49115110870147335Stephen Smalley return 0; 736e46f9d510db9351682cf17c49115110870147335Stephen Smalley} 737e46f9d510db9351682cf17c49115110870147335Stephen Smalley 7384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_loglevel(int nargs, char **args) { 7394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs == 2) { 7408f91282ebe1963b9d27f8779ad1342302b293bd2Dima Zavin klog_set_level(atoi(args[1])); 7414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 7424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 7434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 7444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 7454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 746c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrallint do_load_persist_props(int nargs, char **args) { 747c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall if (nargs == 1) { 748c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall load_persist_props(); 749c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall return 0; 750c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall } 751c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall return -1; 752c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall} 753c5c51033c86353d1a448c72e0e9388906eed7114Ken Sumrall 754cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Crossint do_wait(int nargs, char **args) 755cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross{ 756cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross if (nargs == 2) { 757cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross return wait_for_file(args[1], COMMAND_RETRY_TIMEOUT); 758cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross } 759cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross return -1; 760cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross} 761