builtins.c revision 7c44fe5925b6dd51166f73d30de0a2f22d66373e
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> 334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "init.h" 354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "keywords.h" 364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "property_service.h" 374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "devices.h" 384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <private/android_filesystem_config.h> 404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid add_environment(const char *name, const char *value); 424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectextern int init_module(void *, unsigned long, const char *); 444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic int write_file(const char *path, const char *value) 464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int fd, ret, len; 484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project fd = open(path, O_WRONLY|O_CREAT, 0622); 504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (fd < 0) 52008abac082f1c098d402f944d9287dce67ffce0aMike Chan return -errno; 534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project len = strlen(value); 554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project do { 574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = write(fd, value, len); 584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } while (ret < 0 && errno == EINTR); 594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project close(fd); 614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (ret < 0) { 62008abac082f1c098d402f944d9287dce67ffce0aMike Chan return -errno; 634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 6835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Projectstatic int insmod(const char *filename, char *options) 694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project void *module; 714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project unsigned size; 724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int ret; 734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project module = read_file(filename, &size); 754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!module) 764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project ret = init_module(module, size, options); 794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project free(module); 814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return ret; 834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic int setkey(struct kbentry *kbe) 864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int fd, ret; 884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project fd = open("/dev/tty0", O_RDWR | O_SYNC); 904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (fd < 0) 914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = ioctl(fd, KDSKBENT, kbe); 944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project close(fd); 964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return ret; 974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic int __ifupdown(const char *interface, int up) 1004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct ifreq ifr; 1024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int s, ret; 1034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project strlcpy(ifr.ifr_name, interface, IFNAMSIZ); 1054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project s = socket(AF_INET, SOCK_DGRAM, 0); 1074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (s < 0) 1084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 1094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = ioctl(s, SIOCGIFFLAGS, &ifr); 1114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (ret < 0) { 1124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project goto done; 1134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (up) 1164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ifr.ifr_flags |= IFF_UP; 1174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project else 1184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ifr.ifr_flags &= ~IFF_UP; 1194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ret = ioctl(s, SIOCSIFFLAGS, &ifr); 1214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectdone: 1234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project close(s); 1244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return ret; 1254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic void service_start_if_not_disabled(struct service *svc) 1284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!(svc->flags & SVC_DISABLED)) { 130f24e252903ca0f71c7fbfb135cf17e83e0c2ea90San Mehat service_start(svc, NULL); 1314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_class_start(int nargs, char **args) 1354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* Starting a class does not start services 1374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * which are explicitly disabled. They must 1384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project * be started individually. 1394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project */ 1404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_for_each_class(args[1], service_start_if_not_disabled); 1414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 1424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_class_stop(int nargs, char **args) 1454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_for_each_class(args[1], service_stop); 1474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 1484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_domainname(int nargs, char **args) 1514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return write_file("/proc/sys/kernel/domainname", args[1]); 1534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_exec(int nargs, char **args) 1564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 1584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_export(int nargs, char **args) 1614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project add_environment(args[1], args[2]); 1634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 1644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_hostname(int nargs, char **args) 1674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return write_file("/proc/sys/kernel/hostname", args[1]); 1694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_ifup(int nargs, char **args) 1724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return __ifupdown(args[1], 1); 1744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 17635237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 17735237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Projectstatic int do_insmod_inner(int nargs, char **args, int opt_len) 17835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project{ 17935237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project char options[opt_len + 1]; 18035237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project int i; 18135237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 18235237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project options[0] = '\0'; 18335237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project if (nargs > 2) { 18435237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project strcpy(options, args[2]); 18535237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project for (i = 3; i < nargs; ++i) { 18635237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project strcat(options, " "); 18735237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project strcat(options, args[i]); 18835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project } 18935237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project } 19035237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 19135237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project return insmod(args[1], options); 19235237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project} 19335237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 1944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_insmod(int nargs, char **args) 1954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 19635237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project int i; 19735237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project int size = 0; 19835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 19935237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project if (nargs > 2) { 20035237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project for (i = 2; i < nargs; ++i) 20135237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project size += strlen(args[i]) + 1; 20235237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project } 20335237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 20435237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project return do_insmod_inner(nargs, args, size); 2054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_import(int nargs, char **args) 2084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 2104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_mkdir(int nargs, char **args) 2134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode_t mode = 0755; 2154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* mkdir <path> [mode] [owner] [group] */ 2174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs >= 3) { 2194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode = strtoul(args[2], 0, 8); 2204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (mkdir(args[1], mode)) { 2234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 2244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs >= 4) { 2274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project uid_t uid = decode_uid(args[3]); 2284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project gid_t gid = -1; 2294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs == 5) { 2314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project gid = decode_uid(args[4]); 2324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (chown(args[1], uid, gid)) { 2354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 2364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 2404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic struct { 2434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const char *name; 2444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project unsigned flag; 2454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} mount_flags[] = { 2464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "noatime", MS_NOATIME }, 2474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "nosuid", MS_NOSUID }, 2484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "nodev", MS_NODEV }, 2494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "nodiratime", MS_NODIRATIME }, 2504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "ro", MS_RDONLY }, 2514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "rw", 0 }, 2524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "remount", MS_REMOUNT }, 2534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { "defaults", 0 }, 2544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { 0, 0 }, 2554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project}; 2564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project/* mount <type> <device> <path> <flags ...> <options> */ 2584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_mount(int nargs, char **args) 2594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project char tmp[64]; 261e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) char *source, *target, *system; 2624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project char *options = NULL; 2634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project unsigned flags = 0; 2644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int n, i; 2654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (n = 4; n < nargs; n++) { 2674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (i = 0; mount_flags[i].name; i++) { 2684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!strcmp(args[n], mount_flags[i].name)) { 2694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project flags |= mount_flags[i].flag; 2704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 2714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* if our last argument isn't a flag, wolf it up as an option string */ 2754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (n + 1 == nargs && !mount_flags[i].name) 2764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project options = args[n]; 2774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 279e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) system = args[1]; 2804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project source = args[2]; 281e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) target = args[3]; 282e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 2834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!strncmp(source, "mtd@", 4)) { 2844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project n = mtd_name_to_number(source + 4); 285e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (n < 0) { 286e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 287e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 288e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 289e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) sprintf(tmp, "/dev/block/mtdblock%d", n); 290e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 291e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (mount(tmp, target, system, flags, options) < 0) { 292e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 293e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 294e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 295e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return 0; 296e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } else if (!strncmp(source, "loop@", 5)) { 297e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) int mode, loop, fd; 298e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) struct loop_info info; 299e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 300e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) mode = (flags & MS_RDONLY) ? O_RDONLY : O_RDWR; 301e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) fd = open(source + 5, mode); 302e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (fd < 0) { 303e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 3044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 305e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 306e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) for (n = 0; ; n++) { 307e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) sprintf(tmp, "/dev/block/loop%d", n); 308e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) loop = open(tmp, mode); 309e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (loop < 0) { 310e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 311e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 312e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 313e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) /* if it is a blank loop device */ 314e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (ioctl(loop, LOOP_GET_STATUS, &info) < 0 && errno == ENXIO) { 315e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) /* if it becomes our loop device */ 316e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (ioctl(loop, LOOP_SET_FD, fd) >= 0) { 317e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) close(fd); 318e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 319e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (mount(tmp, target, system, flags, options) < 0) { 320e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) ioctl(loop, LOOP_CLR_FD, 0); 321e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) close(loop); 322e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 323e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 324e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 325e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) close(loop); 326e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return 0; 327e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 328e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 329e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 330e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) close(loop); 331e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 332e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 333e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) close(fd); 334e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) ERROR("out of loopback devices"); 335e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 336e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } else { 337e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) if (mount(source, target, system, flags, options) < 0) { 338e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return -1; 339e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) } 340e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) 341e520d036165b36cf5c4cb305f9cec7d183977b61Jay Freeman (saurik) return 0; 3424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_setkey(int nargs, char **args) 3464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 3474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct kbentry kbe; 3484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project kbe.kb_table = strtoul(args[1], 0, 0); 3494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project kbe.kb_index = strtoul(args[2], 0, 0); 3504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project kbe.kb_value = strtoul(args[3], 0, 0); 3514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return setkey(&kbe); 3524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_setprop(int nargs, char **args) 3554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 3564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project property_set(args[1], args[2]); 3574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 3584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_setrlimit(int nargs, char **args) 3614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 3624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct rlimit limit; 3634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int resource; 3644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project resource = atoi(args[1]); 3654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project limit.rlim_cur = atoi(args[2]); 3664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project limit.rlim_max = atoi(args[3]); 3674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return setrlimit(resource, &limit); 3684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_start(int nargs, char **args) 3714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 3724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct service *svc; 3734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project svc = service_find_by_name(args[1]); 3744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (svc) { 375f24e252903ca0f71c7fbfb135cf17e83e0c2ea90San Mehat service_start(svc, NULL); 3764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 3784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_stop(int nargs, char **args) 3814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 3824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct service *svc; 3834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project svc = service_find_by_name(args[1]); 3844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (svc) { 3854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_stop(svc); 3864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 3884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_restart(int nargs, char **args) 3914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 3924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project struct service *svc; 3934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project svc = service_find_by_name(args[1]); 3944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (svc) { 3954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project service_stop(svc); 396f24e252903ca0f71c7fbfb135cf17e83e0c2ea90San Mehat service_start(svc, NULL); 3974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 3994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 4004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 4014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_trigger(int nargs, char **args) 4024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 4034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 4044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 4054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 4064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_symlink(int nargs, char **args) 4074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 4084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return symlink(args[1], args[2]); 4094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 4104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 41135237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Projectint do_sysclktz(int nargs, char **args) 41235237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project{ 41335237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project struct timezone tz; 41435237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 41535237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project if (nargs != 2) 41635237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project return -1; 41735237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 41835237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project memset(&tz, 0, sizeof(tz)); 41935237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project tz.tz_minuteswest = atoi(args[1]); 42035237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project if (settimeofday(NULL, &tz)) 42135237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project return -1; 42235237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project return 0; 42335237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project} 42435237d135807af84bf9b0e5b8d7f8633e58db6f5The Android Open Source Project 4254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_write(int nargs, char **args) 4264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 4274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return write_file(args[1], args[2]); 4284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 4294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 4307c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehatint do_copy(int nargs, char **args) 4317c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat{ 4327c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat char *buffer = NULL; 4337c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat int rc = 0; 4347c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat int fd1 = -1, fd2 = -1; 4357c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat struct stat info; 4367c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat int brtw, brtr; 4377c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat char *p; 4387c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 4397c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (nargs != 3) 4407c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat return -1; 4417c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 4427c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (stat(args[1], &info) < 0) 4437c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat return -1; 4447c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 4457c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if ((fd1 = open(args[1], O_RDONLY)) < 0) 4467c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out_err; 4477c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 4487c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if ((fd2 = open(args[2], O_WRONLY|O_CREAT, 0660)) < 0) 4497c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out_err; 4507c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 4517c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (!(buffer = malloc(info.st_size))) 4527c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out_err; 4537c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 4547c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat p = buffer; 4557c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat brtr = info.st_size; 4567c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat while(brtr) { 4577c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat rc = read(fd1, p, brtr); 4587c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (rc < 0) 4597c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out_err; 4607c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (rc == 0) 4617c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat break; 4627c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat p += rc; 4637c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat brtr -= rc; 4647c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat } 4657c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 4667c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat p = buffer; 4677c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat brtw = info.st_size; 4687c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat while(brtw) { 4697c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat rc = write(fd2, p, brtw); 4707c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (rc < 0) 4717c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out_err; 4727c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (rc == 0) 4737c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat break; 4747c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat p += rc; 4757c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat brtw -= rc; 4767c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat } 4777c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 4787c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat rc = 0; 4797c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat goto out; 4807c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehatout_err: 4817c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat rc = -1; 4827c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehatout: 4837c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (buffer) 4847c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat free(buffer); 4857c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (fd1 >= 0) 4867c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat close(fd1); 4877c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat if (fd2 >= 0) 4887c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat close(fd2); 4897c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat return rc; 4907c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat} 4917c44fe5925b6dd51166f73d30de0a2f22d66373eSan Mehat 4924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_chown(int nargs, char **args) { 4934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* GID is optional. */ 4944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs == 3) { 4954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (chown(args[2], decode_uid(args[1]), -1) < 0) 4964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 4974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else if (nargs == 4) { 4984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (chown(args[3], decode_uid(args[1]), decode_uid(args[2]))) 4994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 5004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 5014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 5024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 5044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectstatic mode_t get_mode(const char *s) { 5074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode_t mode = 0; 5084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project while (*s) { 5094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (*s >= '0' && *s <= '7') { 5104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode = (mode<<3) | (*s-'0'); 5114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 5124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 5134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project s++; 5154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return mode; 5174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_chmod(int nargs, char **args) { 5204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mode_t mode = get_mode(args[1]); 5214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (chmod(args[2], mode) < 0) { 5224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -errno; 5234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 5254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_loglevel(int nargs, char **args) { 5284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs == 2) { 5294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project log_set_level(atoi(args[1])); 5304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 5314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 5334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 5344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectint do_device(int nargs, char **args) { 5364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int len; 5374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project char tmp[64]; 5384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project char *source = args[1]; 5394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int prefix = 0; 5404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (nargs != 5) 5424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return -1; 5434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* Check for wildcard '*' at the end which indicates a prefix. */ 5444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project len = strlen(args[1]) - 1; 5454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (args[1][len] == '*') { 5464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project args[1][len] = '\0'; 5474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project prefix = 1; 5484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project /* If path starts with mtd@ lookup the mount number. */ 5504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!strncmp(source, "mtd@", 4)) { 5514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int n = mtd_name_to_number(source + 4); 5524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (n >= 0) { 5534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project snprintf(tmp, sizeof(tmp), "/dev/mtd/mtd%d", n); 5544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project source = tmp; 5554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project add_devperms_partners(source, get_mode(args[2]), decode_uid(args[3]), 5584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project decode_uid(args[4]), prefix); 5594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return 0; 5604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 561