1dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 2dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 3dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 4dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * you may not use this file except in compliance with the License. 6dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * You may obtain a copy of the License at 7dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 8dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 10dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * See the License for the specific language governing permissions and 14dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * limitations under the License. 15dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 16dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 17dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdarg.h> 18dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdlib.h> 19dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdio.h> 20dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <string.h> 21dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <fcntl.h> 22dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <ctype.h> 23dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <errno.h> 24504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross#include <time.h> 25dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 26e46f9d510db9351682cf17c49115110870147335Stephen Smalley#ifdef HAVE_SELINUX 27e46f9d510db9351682cf17c49115110870147335Stephen Smalley#include <selinux/label.h> 28e46f9d510db9351682cf17c49115110870147335Stephen Smalley#endif 29e46f9d510db9351682cf17c49115110870147335Stephen Smalley 30dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/stat.h> 31dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/types.h> 32dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/socket.h> 33dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/un.h> 34dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 35dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* for ANDROID_SOCKET_* */ 36dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <cutils/sockets.h> 37dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 38dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <private/android_filesystem_config.h> 39dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 40e46f9d510db9351682cf17c49115110870147335Stephen Smalley#include "init.h" 41ed8a7d84428ec945c48b6b53dc5a3a18fabaf683Colin Cross#include "log.h" 42f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross#include "util.h" 43dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 44dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 45dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * android_name_to_id - returns the integer uid/gid associated with the given 46dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * name, or -1U on error. 47dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 48dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic unsigned int android_name_to_id(const char *name) 49dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 50de7f1ad86f532e79ea2a9f77b0147406a9ad971bEdwin Vane const struct android_id_info *info = android_ids; 51dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project unsigned int n; 52dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 53dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for (n = 0; n < android_id_count; n++) { 54dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!strcmp(info[n].name, name)) 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return info[n].aid; 56dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 58dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1U; 59dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 60dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 61dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 62dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * decode_uid - decodes and returns the given string, which can be either the 63dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * numeric or name representation, into the integer uid or gid. Returns -1U on 64dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * error. 65dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 66dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectunsigned int decode_uid(const char *s) 67dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 68dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project unsigned int v; 69dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 70dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!s || *s == '\0') 71dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1U; 72dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (isalpha(s[0])) 73dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return android_name_to_id(s); 74dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 75dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project errno = 0; 76dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project v = (unsigned int) strtoul(s, 0, 0); 77dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (errno) 78dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1U; 79dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return v; 80dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 81dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 82dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 83dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * create_socket - creates a Unix domain socket in ANDROID_SOCKET_DIR 84dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * ("/dev/socket") as dictated in init.rc. This socket is inherited by the 85dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * daemon. We communicate the file descriptor's value via the environment 86dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * variable ANDROID_SOCKET_ENV_PREFIX<name> ("ANDROID_SOCKET_foo"). 87dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 88dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectint create_socket(const char *name, int type, mode_t perm, uid_t uid, gid_t gid) 89dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 90dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct sockaddr_un addr; 91dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int fd, ret; 92e46f9d510db9351682cf17c49115110870147335Stephen Smalley#ifdef HAVE_SELINUX 93e46f9d510db9351682cf17c49115110870147335Stephen Smalley char *secon; 94e46f9d510db9351682cf17c49115110870147335Stephen Smalley#endif 95dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 96dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fd = socket(PF_UNIX, type, 0); 97dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fd < 0) { 98dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ERROR("Failed to open socket '%s': %s\n", name, strerror(errno)); 99dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1; 100dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 101dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 102dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memset(&addr, 0 , sizeof(addr)); 103dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project addr.sun_family = AF_UNIX; 104dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project snprintf(addr.sun_path, sizeof(addr.sun_path), ANDROID_SOCKET_DIR"/%s", 105dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project name); 106dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 107dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ret = unlink(addr.sun_path); 108dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (ret != 0 && errno != ENOENT) { 109dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ERROR("Failed to unlink old socket '%s': %s\n", name, strerror(errno)); 110dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project goto out_close; 111dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 112dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 113e46f9d510db9351682cf17c49115110870147335Stephen Smalley#ifdef HAVE_SELINUX 114e46f9d510db9351682cf17c49115110870147335Stephen Smalley secon = NULL; 115e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (sehandle) { 116e46f9d510db9351682cf17c49115110870147335Stephen Smalley ret = selabel_lookup(sehandle, &secon, addr.sun_path, S_IFSOCK); 117e46f9d510db9351682cf17c49115110870147335Stephen Smalley if (ret == 0) 118e46f9d510db9351682cf17c49115110870147335Stephen Smalley setfscreatecon(secon); 119e46f9d510db9351682cf17c49115110870147335Stephen Smalley } 120e46f9d510db9351682cf17c49115110870147335Stephen Smalley#endif 121e46f9d510db9351682cf17c49115110870147335Stephen Smalley 122dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ret = bind(fd, (struct sockaddr *) &addr, sizeof (addr)); 123dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (ret) { 124dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ERROR("Failed to bind socket '%s': %s\n", name, strerror(errno)); 125dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project goto out_unlink; 126dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 127dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 128e46f9d510db9351682cf17c49115110870147335Stephen Smalley#ifdef HAVE_SELINUX 129e46f9d510db9351682cf17c49115110870147335Stephen Smalley setfscreatecon(NULL); 130e46f9d510db9351682cf17c49115110870147335Stephen Smalley freecon(secon); 131e46f9d510db9351682cf17c49115110870147335Stephen Smalley#endif 132e46f9d510db9351682cf17c49115110870147335Stephen Smalley 133dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project chown(addr.sun_path, uid, gid); 134dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project chmod(addr.sun_path, perm); 135dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 136dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project INFO("Created socket '%s' with mode '%o', user '%d', group '%d'\n", 137dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project addr.sun_path, perm, uid, gid); 138dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 139dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return fd; 140dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 141dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectout_unlink: 142dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project unlink(addr.sun_path); 143dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectout_close: 144dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project close(fd); 145dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1; 146dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 147dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 148dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* reads a file, making sure it is terminated with \n \0 */ 149dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid *read_file(const char *fn, unsigned *_sz) 150dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 151dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char *data; 152dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int sz; 153dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int fd; 15438f368c1b3bac76d342189b6412691a217421178Nick Kralevich struct stat sb; 155dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 156dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project data = 0; 157dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fd = open(fn, O_RDONLY); 158dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(fd < 0) return 0; 159dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 16038f368c1b3bac76d342189b6412691a217421178Nick Kralevich // for security reasons, disallow world-writable 16138f368c1b3bac76d342189b6412691a217421178Nick Kralevich // or group-writable files 16238f368c1b3bac76d342189b6412691a217421178Nick Kralevich if (fstat(fd, &sb) < 0) { 16338f368c1b3bac76d342189b6412691a217421178Nick Kralevich ERROR("fstat failed for '%s'\n", fn); 16438f368c1b3bac76d342189b6412691a217421178Nick Kralevich goto oops; 16538f368c1b3bac76d342189b6412691a217421178Nick Kralevich } 16638f368c1b3bac76d342189b6412691a217421178Nick Kralevich if ((sb.st_mode & (S_IWGRP | S_IWOTH)) != 0) { 16738f368c1b3bac76d342189b6412691a217421178Nick Kralevich ERROR("skipping insecure file '%s'\n", fn); 16838f368c1b3bac76d342189b6412691a217421178Nick Kralevich goto oops; 16938f368c1b3bac76d342189b6412691a217421178Nick Kralevich } 17038f368c1b3bac76d342189b6412691a217421178Nick Kralevich 171dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project sz = lseek(fd, 0, SEEK_END); 172dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(sz < 0) goto oops; 173dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 174dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(lseek(fd, 0, SEEK_SET) != 0) goto oops; 175dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 176dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project data = (char*) malloc(sz + 2); 177dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(data == 0) goto oops; 178dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 179dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(read(fd, data, sz) != sz) goto oops; 180dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project close(fd); 181dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project data[sz] = '\n'; 182dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project data[sz+1] = 0; 183dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(_sz) *_sz = sz; 184dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return data; 185dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 186dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectoops: 187dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project close(fd); 188dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(data != 0) free(data); 189dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 190dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 191dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 192f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross#define MAX_MTD_PARTITIONS 16 193f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross 194f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Crossstatic struct { 195f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross char name[16]; 196f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross int number; 197f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross} mtd_part_map[MAX_MTD_PARTITIONS]; 198f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross 199f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Crossstatic int mtd_part_count = -1; 200f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross 201f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Crossstatic void find_mtd_partitions(void) 202f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross{ 203f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross int fd; 204f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross char buf[1024]; 205f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross char *pmtdbufp; 206f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross ssize_t pmtdsize; 207f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross int r; 208f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross 209f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross fd = open("/proc/mtd", O_RDONLY); 210f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross if (fd < 0) 211f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross return; 212f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross 213f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross buf[sizeof(buf) - 1] = '\0'; 214f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross pmtdsize = read(fd, buf, sizeof(buf) - 1); 215f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross pmtdbufp = buf; 216f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross while (pmtdsize > 0) { 217f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross int mtdnum, mtdsize, mtderasesize; 218f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross char mtdname[16]; 219f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross mtdname[0] = '\0'; 220f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross mtdnum = -1; 221f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross r = sscanf(pmtdbufp, "mtd%d: %x %x %15s", 222f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross &mtdnum, &mtdsize, &mtderasesize, mtdname); 223f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross if ((r == 4) && (mtdname[0] == '"')) { 224f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross char *x = strchr(mtdname + 1, '"'); 225f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross if (x) { 226f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross *x = 0; 227f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 228f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross INFO("mtd partition %d, %s\n", mtdnum, mtdname + 1); 229f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross if (mtd_part_count < MAX_MTD_PARTITIONS) { 230f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross strcpy(mtd_part_map[mtd_part_count].name, mtdname + 1); 231f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross mtd_part_map[mtd_part_count].number = mtdnum; 232f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross mtd_part_count++; 233f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } else { 234f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross ERROR("too many mtd partitions\n"); 235f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 236f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 237f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross while (pmtdsize > 0 && *pmtdbufp != '\n') { 238f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross pmtdbufp++; 239f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross pmtdsize--; 240f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 241f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross if (pmtdsize > 0) { 242f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross pmtdbufp++; 243f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross pmtdsize--; 244f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 245f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 246f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross close(fd); 247f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross} 248f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross 249f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Crossint mtd_name_to_number(const char *name) 250f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross{ 251f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross int n; 252f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross if (mtd_part_count < 0) { 253f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross mtd_part_count = 0; 254f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross find_mtd_partitions(); 255f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 256f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross for (n = 0; n < mtd_part_count; n++) { 257f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross if (!strcmp(name, mtd_part_map[n].name)) { 258f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross return mtd_part_map[n].number; 259f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 260f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 261f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross return -1; 262f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross} 263504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross 264504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross/* 265504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross * gettime() - returns the time in seconds of the system's monotonic clock or 266504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross * zero on error. 267504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross */ 268504bc5175a8fe5a2f2552903afee761a86283cf4Colin Crosstime_t gettime(void) 269504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross{ 270504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross struct timespec ts; 271504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross int ret; 272504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross 273504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross ret = clock_gettime(CLOCK_MONOTONIC, &ts); 274504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross if (ret < 0) { 275504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross ERROR("clock_gettime(CLOCK_MONOTONIC) failed: %s\n", strerror(errno)); 276504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross return 0; 277504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross } 278504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross 279504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross return ts.tv_sec; 280504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross} 281b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross 282b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Crossint mkdir_recursive(const char *pathname, mode_t mode) 283b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross{ 284b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross char buf[128]; 285b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross const char *slash; 286b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross const char *p = pathname; 287b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross int width; 288b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross int ret; 289b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross struct stat info; 290b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross 291b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross while ((slash = strchr(p, '/')) != NULL) { 292b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross width = slash - pathname; 293b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross p = slash + 1; 294b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (width < 0) 295b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross break; 296b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (width == 0) 297b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross continue; 298b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if ((unsigned int)width > sizeof(buf) - 1) { 299b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ERROR("path too long for mkdir_recursive\n"); 300b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return -1; 301b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross } 302b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross memcpy(buf, pathname, width); 303b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross buf[width] = 0; 304b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (stat(buf, &info) != 0) { 305e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley ret = make_dir(buf, mode); 306b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (ret && errno != EEXIST) 307b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return ret; 308b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross } 309b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross } 310e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley ret = make_dir(pathname, mode); 311b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (ret && errno != EEXIST) 312b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return ret; 313b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return 0; 314b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross} 315b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross 316b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Crossvoid sanitize(char *s) 317b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross{ 318b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (!s) 319b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return; 320b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross while (isalnum(*s)) 321b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross s++; 322b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross *s = 0; 323b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross} 324b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Crossvoid make_link(const char *oldpath, const char *newpath) 325b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross{ 326b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross int ret; 327b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross char buf[256]; 328b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross char *slash; 329b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross int width; 330b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross 331b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross slash = strrchr(newpath, '/'); 332b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (!slash) 333b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return; 334b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross width = slash - newpath; 335b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (width <= 0 || width > (int)sizeof(buf) - 1) 336b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return; 337b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross memcpy(buf, newpath, width); 338b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross buf[width] = 0; 339b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ret = mkdir_recursive(buf, 0755); 340b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (ret) 341b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ERROR("Failed to create directory %s: %s (%d)\n", buf, strerror(errno), errno); 342b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross 343b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ret = symlink(oldpath, newpath); 344b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (ret && errno != EEXIST) 345b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ERROR("Failed to symlink %s to %s: %s (%d)\n", oldpath, newpath, strerror(errno), errno); 346b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross} 347b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross 348b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Crossvoid remove_link(const char *oldpath, const char *newpath) 349b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross{ 350b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross char path[256]; 351b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ssize_t ret; 352b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ret = readlink(newpath, path, sizeof(path) - 1); 353b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (ret <= 0) 354b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return; 355b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross path[ret] = 0; 356b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (!strcmp(path, oldpath)) 357b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross unlink(newpath); 358b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross} 359cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross 360cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Crossint wait_for_file(const char *filename, int timeout) 361cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross{ 362cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross struct stat info; 363cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross time_t timeout_time = gettime() + timeout; 364cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross int ret = -1; 365cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross 366cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross while (gettime() < timeout_time && ((ret = stat(filename, &info)) < 0)) 367cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross usleep(10000); 368cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross 369cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross return ret; 370cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross} 371f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 372f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Crossvoid open_devnull_stdio(void) 373f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross{ 374f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross int fd; 375f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross static const char *name = "/dev/__null__"; 376f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (mknod(name, S_IFCHR | 0600, (1 << 8) | 3) == 0) { 377f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross fd = open(name, O_RDWR); 378f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross unlink(name); 379f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (fd >= 0) { 380f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross dup2(fd, 0); 381f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross dup2(fd, 1); 382f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross dup2(fd, 2); 383f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (fd > 2) { 384f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross close(fd); 385f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 386f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross return; 387f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 388f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 389f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 390f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross exit(1); 391f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross} 392f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 393f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Crossvoid get_hardware_name(char *hardware, unsigned int *revision) 394f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross{ 395f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross char data[1024]; 396f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross int fd, n; 397f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross char *x, *hw, *rev; 398f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 399f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross /* Hardware string was provided on kernel command line */ 400f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (hardware[0]) 401f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross return; 402f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 403f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross fd = open("/proc/cpuinfo", O_RDONLY); 404f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (fd < 0) return; 405f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 406f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross n = read(fd, data, 1023); 407f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross close(fd); 408f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (n < 0) return; 409f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 410f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross data[n] = 0; 411f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross hw = strstr(data, "\nHardware"); 412f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross rev = strstr(data, "\nRevision"); 413f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 414f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (hw) { 415f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross x = strstr(hw, ": "); 416f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (x) { 417f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross x += 2; 418f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross n = 0; 419742150c031756da1393bf4223b2468b17cb79326The Android Open Source Project while (*x && *x != '\n') { 420742150c031756da1393bf4223b2468b17cb79326The Android Open Source Project if (!isspace(*x)) 421742150c031756da1393bf4223b2468b17cb79326The Android Open Source Project hardware[n++] = tolower(*x); 422f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross x++; 423f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (n == 31) break; 424f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 425f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross hardware[n] = 0; 426f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 427f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 428f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 429f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (rev) { 430f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross x = strstr(rev, ": "); 431f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (x) { 432f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross *revision = strtoul(x + 2, 0, 16); 433f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 434f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 435f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross} 4362b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine 4372b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkinevoid import_kernel_cmdline(int in_qemu, 4382b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine void (*import_kernel_nv)(char *name, int in_qemu)) 4392b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine{ 4402b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine char cmdline[1024]; 4412b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine char *ptr; 4422b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine int fd; 4432b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine 4442b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine fd = open("/proc/cmdline", O_RDONLY); 4452b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine if (fd >= 0) { 4462b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine int n = read(fd, cmdline, 1023); 4472b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine if (n < 0) n = 0; 4482b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine 4492b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine /* get rid of trailing newline, it happens */ 4502b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine if (n > 0 && cmdline[n-1] == '\n') n--; 4512b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine 4522b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine cmdline[n] = 0; 4532b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine close(fd); 4542b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine } else { 4552b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine cmdline[0] = 0; 4562b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine } 4572b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine 4582b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine ptr = cmdline; 4592b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine while (ptr && *ptr) { 4602b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine char *x = strchr(ptr, ' '); 4612b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine if (x != 0) *x++ = 0; 4622b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine import_kernel_nv(ptr, in_qemu); 4632b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine ptr = x; 4642b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine } 4652b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine} 466e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley 467e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalleyint make_dir(const char *path, mode_t mode) 468e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley{ 469e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley int rc; 470e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley 471e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley#ifdef HAVE_SELINUX 472e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley char *secontext = NULL; 473e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley 474e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley if (sehandle) { 475e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley selabel_lookup(sehandle, &secontext, path, mode); 476e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley setfscreatecon(secontext); 477e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley } 478e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley#endif 479e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley 480e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley rc = mkdir(path, mode); 481e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley 482e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley#ifdef HAVE_SELINUX 483e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley if (secontext) { 484e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley int save_errno = errno; 485e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley freecon(secontext); 486e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley setfscreatecon(NULL); 487e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley errno = save_errno; 488e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley } 489e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley#endif 490e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley return rc; 491e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley} 492e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley 493e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalleyint restorecon(const char *pathname) 494e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley{ 495e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley#ifdef HAVE_SELINUX 496e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley char *secontext = NULL; 497e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley struct stat sb; 498e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley int i; 499e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley 500e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley if (is_selinux_enabled() <= 0 || !sehandle) 501e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley return 0; 502e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley 503e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley if (lstat(pathname, &sb) < 0) 504e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley return -errno; 505e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley if (selabel_lookup(sehandle, &secontext, pathname, sb.st_mode) < 0) 506e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley return -errno; 507e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley if (lsetfilecon(pathname, secontext) < 0) { 508e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley freecon(secontext); 509e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley return -errno; 510e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley } 511e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley freecon(secontext); 512e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley#endif 513e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley return 0; 514e096e36e50b4b66638ebc4d3c09c2ee35f538dfaStephen Smalley} 515