builtins.c revision 4f6e8d7a00cbeda1e70cc15be9c4af1018bdad5
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> 324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "init.h" 344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "keywords.h" 354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "property_service.h" 364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "devices.h" 374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <private/android_filesystem_config.h> 394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid add_environment(const char *name, const char *value); 414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectextern int init_module(void *, unsigned long, const char *); 434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic int write_file(const char *path, const char *value) 454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int fd, ret, len; 474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project fd = open(path, O_WRONLY|O_CREAT, 0622); 494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (fd < 0) 514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project len = strlen(value); 544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project do { 564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = write(fd, value, len); 574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } while (ret < 0 && errno == EINTR); 584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project close(fd); 604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (ret < 0) { 614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic int insmod(const char *filename) 684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project void *module; 704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project unsigned size; 714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int ret; 724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project module = read_file(filename, &size); 744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!module) 754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = init_module(module, size, ""); 784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project free(module); 804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return ret; 824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic int setkey(struct kbentry *kbe) 854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int fd, ret; 874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project fd = open("/dev/tty0", O_RDWR | O_SYNC); 894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (fd < 0) 904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = ioctl(fd, KDSKBENT, kbe); 934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project close(fd); 954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return ret; 964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic int __ifupdown(const char *interface, int up) 994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct ifreq ifr; 1014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int s, ret; 1024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project strlcpy(ifr.ifr_name, interface, IFNAMSIZ); 1044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project s = socket(AF_INET, SOCK_DGRAM, 0); 1064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (s < 0) 1074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 1084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = ioctl(s, SIOCGIFFLAGS, &ifr); 1104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (ret < 0) { 1114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project goto done; 1124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (up) 1154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ifr.ifr_flags |= IFF_UP; 1164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project else 1174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ifr.ifr_flags &= ~IFF_UP; 1184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = ioctl(s, SIOCSIFFLAGS, &ifr); 1204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectdone: 1224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project close(s); 1234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return ret; 1244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic void service_start_if_not_disabled(struct service *svc) 1274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!(svc->flags & SVC_DISABLED)) { 1294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_start(svc); 1304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_class_start(int nargs, char **args) 1344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* Starting a class does not start services 1364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * which are explicitly disabled. They must 1374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * be started individually. 1384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project */ 1394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_for_each_class(args[1], service_start_if_not_disabled); 1404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 1414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_class_stop(int nargs, char **args) 1444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_for_each_class(args[1], service_stop); 1464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 1474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_domainname(int nargs, char **args) 1504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return write_file("/proc/sys/kernel/domainname", args[1]); 1524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_exec(int nargs, char **args) 1554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 1574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_export(int nargs, char **args) 1604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project add_environment(args[1], args[2]); 1624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 1634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_hostname(int nargs, char **args) 1664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return write_file("/proc/sys/kernel/hostname", args[1]); 1684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_ifup(int nargs, char **args) 1714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return __ifupdown(args[1], 1); 1734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_insmod(int nargs, char **args) 1764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return insmod(args[1]); 1784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_import(int nargs, char **args) 1814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 1834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_mkdir(int nargs, char **args) 1864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode_t mode = 0755; 1884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* mkdir <path> [mode] [owner] [group] */ 1904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs >= 3) { 1924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode = strtoul(args[2], 0, 8); 1934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (mkdir(args[1], mode)) { 1964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 1974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs >= 4) { 2004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project uid_t uid = decode_uid(args[3]); 2014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project gid_t gid = -1; 2024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs == 5) { 2044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project gid = decode_uid(args[4]); 2054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (chown(args[1], uid, gid)) { 2084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 2094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 2134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic struct { 2164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const char *name; 2174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project unsigned flag; 2184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} mount_flags[] = { 2194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "noatime", MS_NOATIME }, 2204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "nosuid", MS_NOSUID }, 2214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "nodev", MS_NODEV }, 2224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "nodiratime", MS_NODIRATIME }, 2234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "ro", MS_RDONLY }, 2244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "rw", 0 }, 2254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "remount", MS_REMOUNT }, 2264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "defaults", 0 }, 2274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { 0, 0 }, 2284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project}; 2294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project/* mount <type> <device> <path> <flags ...> <options> */ 2314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_mount(int nargs, char **args) 2324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project char tmp[64]; 2344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project char *source; 2354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project char *options = NULL; 2364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project unsigned flags = 0; 2374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int n, i; 2384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (n = 4; n < nargs; n++) { 2404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (i = 0; mount_flags[i].name; i++) { 2414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!strcmp(args[n], mount_flags[i].name)) { 2424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project flags |= mount_flags[i].flag; 2434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 2444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* if our last argument isn't a flag, wolf it up as an option string */ 2484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (n + 1 == nargs && !mount_flags[i].name) 2494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project options = args[n]; 2504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project source = args[2]; 2534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!strncmp(source, "mtd@", 4)) { 2544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project n = mtd_name_to_number(source + 4); 2554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (n >= 0) { 2564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project sprintf(tmp, "/dev/block/mtdblock%d", n); 2574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project source = tmp; 2584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return mount(source, args[3], args[1], flags, options); 2614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_setkey(int nargs, char **args) 2644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct kbentry kbe; 2664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project kbe.kb_table = strtoul(args[1], 0, 0); 2674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project kbe.kb_index = strtoul(args[2], 0, 0); 2684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project kbe.kb_value = strtoul(args[3], 0, 0); 2694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return setkey(&kbe); 2704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_setprop(int nargs, char **args) 2734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project property_set(args[1], args[2]); 2754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 2764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_setrlimit(int nargs, char **args) 2794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct rlimit limit; 2814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int resource; 2824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project resource = atoi(args[1]); 2834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project limit.rlim_cur = atoi(args[2]); 2844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project limit.rlim_max = atoi(args[3]); 2854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return setrlimit(resource, &limit); 2864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_start(int nargs, char **args) 2894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct service *svc; 2914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project svc = service_find_by_name(args[1]); 2924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (svc) { 2934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_start(svc); 2944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 2964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_stop(int nargs, char **args) 2994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 3004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct service *svc; 3014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project svc = service_find_by_name(args[1]); 3024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (svc) { 3034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_stop(svc); 3044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 3064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_restart(int nargs, char **args) 3094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 3104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct service *svc; 3114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project svc = service_find_by_name(args[1]); 3124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (svc) { 3134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_stop(svc); 3144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_start(svc); 3154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 3174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_trigger(int nargs, char **args) 3204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 3214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 3224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_symlink(int nargs, char **args) 3254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 3264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return symlink(args[1], args[2]); 3274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_write(int nargs, char **args) 3304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 3314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return write_file(args[1], args[2]); 3324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_chown(int nargs, char **args) { 3354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* GID is optional. */ 3364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs == 3) { 3374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (chown(args[2], decode_uid(args[1]), -1) < 0) 3384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 3394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else if (nargs == 4) { 3404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (chown(args[3], decode_uid(args[1]), decode_uid(args[2]))) 3414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 3424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 3434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 3444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 3464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic mode_t get_mode(const char *s) { 3494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode_t mode = 0; 3504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project while (*s) { 3514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (*s >= '0' && *s <= '7') { 3524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode = (mode<<3) | (*s-'0'); 3534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 3544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 3554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project s++; 3574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return mode; 3594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_chmod(int nargs, char **args) { 3624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode_t mode = get_mode(args[1]); 3634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (chmod(args[2], mode) < 0) { 3644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 3654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 3674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_loglevel(int nargs, char **args) { 3704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs == 2) { 3714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project log_set_level(atoi(args[1])); 3724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 3734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 3754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_device(int nargs, char **args) { 3784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int len; 3794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project char tmp[64]; 3804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project char *source = args[1]; 3814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int prefix = 0; 3824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs != 5) 3844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 3854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* Check for wildcard '*' at the end which indicates a prefix. */ 3864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project len = strlen(args[1]) - 1; 3874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (args[1][len] == '*') { 3884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project args[1][len] = '\0'; 3894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project prefix = 1; 3904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* If path starts with mtd@ lookup the mount number. */ 3924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!strncmp(source, "mtd@", 4)) { 3934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int n = mtd_name_to_number(source + 4); 3944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (n >= 0) { 3954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project snprintf(tmp, sizeof(tmp), "/dev/mtd/mtd%d", n); 3964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project source = tmp; 3974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project add_devperms_partners(source, get_mode(args[2]), decode_uid(args[3]), 4004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project decode_uid(args[4]), prefix); 4014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 4024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 403