util.c revision 38f368c1b3bac76d342189b6412691a217421178
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 26dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/stat.h> 27dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/types.h> 28dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/socket.h> 29dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/un.h> 30dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 31dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* for ANDROID_SOCKET_* */ 32dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <cutils/sockets.h> 33dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 34dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <private/android_filesystem_config.h> 35dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 36ed8a7d84428ec945c48b6b53dc5a3a18fabaf683Colin Cross#include "log.h" 37f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross#include "util.h" 38dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 39dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 40dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * android_name_to_id - returns the integer uid/gid associated with the given 41dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * name, or -1U on error. 42dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 43dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic unsigned int android_name_to_id(const char *name) 44dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 45dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct android_id_info *info = android_ids; 46dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project unsigned int n; 47dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 48dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for (n = 0; n < android_id_count; n++) { 49dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!strcmp(info[n].name, name)) 50dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return info[n].aid; 51dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 52dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 53dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1U; 54dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 56dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * decode_uid - decodes and returns the given string, which can be either the 58dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * numeric or name representation, into the integer uid or gid. Returns -1U on 59dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * error. 60dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 61dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectunsigned int decode_uid(const char *s) 62dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 63dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project unsigned int v; 64dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 65dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!s || *s == '\0') 66dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1U; 67dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (isalpha(s[0])) 68dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return android_name_to_id(s); 69dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 70dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project errno = 0; 71dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project v = (unsigned int) strtoul(s, 0, 0); 72dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (errno) 73dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1U; 74dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return v; 75dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 76dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 77dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 78dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * create_socket - creates a Unix domain socket in ANDROID_SOCKET_DIR 79dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * ("/dev/socket") as dictated in init.rc. This socket is inherited by the 80dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * daemon. We communicate the file descriptor's value via the environment 81dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * variable ANDROID_SOCKET_ENV_PREFIX<name> ("ANDROID_SOCKET_foo"). 82dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 83dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectint create_socket(const char *name, int type, mode_t perm, uid_t uid, gid_t gid) 84dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 85dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct sockaddr_un addr; 86dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int fd, ret; 87dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 88dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fd = socket(PF_UNIX, type, 0); 89dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fd < 0) { 90dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ERROR("Failed to open socket '%s': %s\n", name, strerror(errno)); 91dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1; 92dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 93dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 94dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memset(&addr, 0 , sizeof(addr)); 95dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project addr.sun_family = AF_UNIX; 96dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project snprintf(addr.sun_path, sizeof(addr.sun_path), ANDROID_SOCKET_DIR"/%s", 97dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project name); 98dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 99dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ret = unlink(addr.sun_path); 100dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (ret != 0 && errno != ENOENT) { 101dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ERROR("Failed to unlink old socket '%s': %s\n", name, strerror(errno)); 102dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project goto out_close; 103dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 104dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 105dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ret = bind(fd, (struct sockaddr *) &addr, sizeof (addr)); 106dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (ret) { 107dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ERROR("Failed to bind socket '%s': %s\n", name, strerror(errno)); 108dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project goto out_unlink; 109dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 110dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 111dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project chown(addr.sun_path, uid, gid); 112dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project chmod(addr.sun_path, perm); 113dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 114dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project INFO("Created socket '%s' with mode '%o', user '%d', group '%d'\n", 115dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project addr.sun_path, perm, uid, gid); 116dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 117dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return fd; 118dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 119dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectout_unlink: 120dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project unlink(addr.sun_path); 121dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectout_close: 122dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project close(fd); 123dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1; 124dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 125dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 126dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* reads a file, making sure it is terminated with \n \0 */ 127dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid *read_file(const char *fn, unsigned *_sz) 128dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 129dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char *data; 130dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int sz; 131dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int fd; 13238f368c1b3bac76d342189b6412691a217421178Nick Kralevich struct stat sb; 133dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 134dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project data = 0; 135dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fd = open(fn, O_RDONLY); 136dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(fd < 0) return 0; 137dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 13838f368c1b3bac76d342189b6412691a217421178Nick Kralevich // for security reasons, disallow world-writable 13938f368c1b3bac76d342189b6412691a217421178Nick Kralevich // or group-writable files 14038f368c1b3bac76d342189b6412691a217421178Nick Kralevich if (fstat(fd, &sb) < 0) { 14138f368c1b3bac76d342189b6412691a217421178Nick Kralevich ERROR("fstat failed for '%s'\n", fn); 14238f368c1b3bac76d342189b6412691a217421178Nick Kralevich goto oops; 14338f368c1b3bac76d342189b6412691a217421178Nick Kralevich } 14438f368c1b3bac76d342189b6412691a217421178Nick Kralevich if ((sb.st_mode & (S_IWGRP | S_IWOTH)) != 0) { 14538f368c1b3bac76d342189b6412691a217421178Nick Kralevich ERROR("skipping insecure file '%s'\n", fn); 14638f368c1b3bac76d342189b6412691a217421178Nick Kralevich goto oops; 14738f368c1b3bac76d342189b6412691a217421178Nick Kralevich } 14838f368c1b3bac76d342189b6412691a217421178Nick Kralevich 149dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project sz = lseek(fd, 0, SEEK_END); 150dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(sz < 0) goto oops; 151dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 152dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(lseek(fd, 0, SEEK_SET) != 0) goto oops; 153dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 154dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project data = (char*) malloc(sz + 2); 155dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(data == 0) goto oops; 156dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 157dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(read(fd, data, sz) != sz) goto oops; 158dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project close(fd); 159dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project data[sz] = '\n'; 160dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project data[sz+1] = 0; 161dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(_sz) *_sz = sz; 162dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return data; 163dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 164dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectoops: 165dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project close(fd); 166dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(data != 0) free(data); 167dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 168dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 169dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 170f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross#define MAX_MTD_PARTITIONS 16 171f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross 172f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Crossstatic struct { 173f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross char name[16]; 174f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross int number; 175f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross} mtd_part_map[MAX_MTD_PARTITIONS]; 176f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross 177f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Crossstatic int mtd_part_count = -1; 178f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross 179f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Crossstatic void find_mtd_partitions(void) 180f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross{ 181f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross int fd; 182f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross char buf[1024]; 183f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross char *pmtdbufp; 184f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross ssize_t pmtdsize; 185f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross int r; 186f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross 187f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross fd = open("/proc/mtd", O_RDONLY); 188f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross if (fd < 0) 189f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross return; 190f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross 191f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross buf[sizeof(buf) - 1] = '\0'; 192f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross pmtdsize = read(fd, buf, sizeof(buf) - 1); 193f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross pmtdbufp = buf; 194f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross while (pmtdsize > 0) { 195f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross int mtdnum, mtdsize, mtderasesize; 196f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross char mtdname[16]; 197f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross mtdname[0] = '\0'; 198f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross mtdnum = -1; 199f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross r = sscanf(pmtdbufp, "mtd%d: %x %x %15s", 200f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross &mtdnum, &mtdsize, &mtderasesize, mtdname); 201f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross if ((r == 4) && (mtdname[0] == '"')) { 202f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross char *x = strchr(mtdname + 1, '"'); 203f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross if (x) { 204f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross *x = 0; 205f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 206f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross INFO("mtd partition %d, %s\n", mtdnum, mtdname + 1); 207f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross if (mtd_part_count < MAX_MTD_PARTITIONS) { 208f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross strcpy(mtd_part_map[mtd_part_count].name, mtdname + 1); 209f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross mtd_part_map[mtd_part_count].number = mtdnum; 210f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross mtd_part_count++; 211f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } else { 212f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross ERROR("too many mtd partitions\n"); 213f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 214f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 215f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross while (pmtdsize > 0 && *pmtdbufp != '\n') { 216f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross pmtdbufp++; 217f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross pmtdsize--; 218f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 219f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross if (pmtdsize > 0) { 220f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross pmtdbufp++; 221f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross pmtdsize--; 222f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 223f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 224f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross close(fd); 225f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross} 226f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross 227f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Crossint mtd_name_to_number(const char *name) 228f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross{ 229f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross int n; 230f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross if (mtd_part_count < 0) { 231f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross mtd_part_count = 0; 232f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross find_mtd_partitions(); 233f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 234f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross for (n = 0; n < mtd_part_count; n++) { 235f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross if (!strcmp(name, mtd_part_map[n].name)) { 236f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross return mtd_part_map[n].number; 237f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 238f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross } 239f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross return -1; 240f24ed8ca0a13f1b97bd55d10f75a289bf9ccd98dColin Cross} 241504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross 242504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross/* 243504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross * gettime() - returns the time in seconds of the system's monotonic clock or 244504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross * zero on error. 245504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross */ 246504bc5175a8fe5a2f2552903afee761a86283cf4Colin Crosstime_t gettime(void) 247504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross{ 248504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross struct timespec ts; 249504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross int ret; 250504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross 251504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross ret = clock_gettime(CLOCK_MONOTONIC, &ts); 252504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross if (ret < 0) { 253504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross ERROR("clock_gettime(CLOCK_MONOTONIC) failed: %s\n", strerror(errno)); 254504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross return 0; 255504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross } 256504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross 257504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross return ts.tv_sec; 258504bc5175a8fe5a2f2552903afee761a86283cf4Colin Cross} 259b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross 260b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Crossint mkdir_recursive(const char *pathname, mode_t mode) 261b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross{ 262b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross char buf[128]; 263b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross const char *slash; 264b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross const char *p = pathname; 265b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross int width; 266b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross int ret; 267b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross struct stat info; 268b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross 269b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross while ((slash = strchr(p, '/')) != NULL) { 270b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross width = slash - pathname; 271b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross p = slash + 1; 272b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (width < 0) 273b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross break; 274b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (width == 0) 275b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross continue; 276b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if ((unsigned int)width > sizeof(buf) - 1) { 277b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ERROR("path too long for mkdir_recursive\n"); 278b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return -1; 279b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross } 280b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross memcpy(buf, pathname, width); 281b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross buf[width] = 0; 282b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (stat(buf, &info) != 0) { 283b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ret = mkdir(buf, mode); 284b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (ret && errno != EEXIST) 285b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return ret; 286b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross } 287b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross } 288b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ret = mkdir(pathname, mode); 289b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (ret && errno != EEXIST) 290b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return ret; 291b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return 0; 292b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross} 293b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross 294b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Crossvoid sanitize(char *s) 295b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross{ 296b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (!s) 297b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return; 298b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross while (isalnum(*s)) 299b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross s++; 300b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross *s = 0; 301b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross} 302b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Crossvoid make_link(const char *oldpath, const char *newpath) 303b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross{ 304b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross int ret; 305b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross char buf[256]; 306b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross char *slash; 307b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross int width; 308b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross 309b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross slash = strrchr(newpath, '/'); 310b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (!slash) 311b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return; 312b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross width = slash - newpath; 313b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (width <= 0 || width > (int)sizeof(buf) - 1) 314b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return; 315b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross memcpy(buf, newpath, width); 316b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross buf[width] = 0; 317b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ret = mkdir_recursive(buf, 0755); 318b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (ret) 319b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ERROR("Failed to create directory %s: %s (%d)\n", buf, strerror(errno), errno); 320b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross 321b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ret = symlink(oldpath, newpath); 322b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (ret && errno != EEXIST) 323b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ERROR("Failed to symlink %s to %s: %s (%d)\n", oldpath, newpath, strerror(errno), errno); 324b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross} 325b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross 326b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Crossvoid remove_link(const char *oldpath, const char *newpath) 327b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross{ 328b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross char path[256]; 329b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ssize_t ret; 330b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross ret = readlink(newpath, path, sizeof(path) - 1); 331b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (ret <= 0) 332b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross return; 333b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross path[ret] = 0; 334b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross if (!strcmp(path, oldpath)) 335b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross unlink(newpath); 336b0ab94b7d5a888f0b6920b156e5c6a075fa0741aColin Cross} 337cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross 338cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Crossint wait_for_file(const char *filename, int timeout) 339cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross{ 340cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross struct stat info; 341cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross time_t timeout_time = gettime() + timeout; 342cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross int ret = -1; 343cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross 344cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross while (gettime() < timeout_time && ((ret = stat(filename, &info)) < 0)) 345cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross usleep(10000); 346cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross 347cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross return ret; 348cd0f173e2790ee068fd2a20bcfc6c20468e97e51Colin Cross} 349f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 350f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Crossvoid open_devnull_stdio(void) 351f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross{ 352f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross int fd; 353f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross static const char *name = "/dev/__null__"; 354f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (mknod(name, S_IFCHR | 0600, (1 << 8) | 3) == 0) { 355f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross fd = open(name, O_RDWR); 356f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross unlink(name); 357f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (fd >= 0) { 358f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross dup2(fd, 0); 359f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross dup2(fd, 1); 360f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross dup2(fd, 2); 361f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (fd > 2) { 362f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross close(fd); 363f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 364f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross return; 365f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 366f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 367f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 368f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross exit(1); 369f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross} 370f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 371f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Crossvoid get_hardware_name(char *hardware, unsigned int *revision) 372f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross{ 373f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross char data[1024]; 374f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross int fd, n; 375f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross char *x, *hw, *rev; 376f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 377f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross /* Hardware string was provided on kernel command line */ 378f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (hardware[0]) 379f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross return; 380f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 381f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross fd = open("/proc/cpuinfo", O_RDONLY); 382f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (fd < 0) return; 383f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 384f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross n = read(fd, data, 1023); 385f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross close(fd); 386f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (n < 0) return; 387f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 388f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross data[n] = 0; 389f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross hw = strstr(data, "\nHardware"); 390f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross rev = strstr(data, "\nRevision"); 391f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 392f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (hw) { 393f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross x = strstr(hw, ": "); 394f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (x) { 395f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross x += 2; 396f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross n = 0; 397742150c031756da1393bf4223b2468b17cb79326The Android Open Source Project while (*x && *x != '\n') { 398742150c031756da1393bf4223b2468b17cb79326The Android Open Source Project if (!isspace(*x)) 399742150c031756da1393bf4223b2468b17cb79326The Android Open Source Project hardware[n++] = tolower(*x); 400f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross x++; 401f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (n == 31) break; 402f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 403f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross hardware[n] = 0; 404f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 405f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 406f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 407f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (rev) { 408f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross x = strstr(rev, ": "); 409f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross if (x) { 410f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross *revision = strtoul(x + 2, 0, 16); 411f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 412f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross } 413f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross} 4142b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine 4152b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkinevoid import_kernel_cmdline(int in_qemu, 4162b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine void (*import_kernel_nv)(char *name, int in_qemu)) 4172b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine{ 4182b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine char cmdline[1024]; 4192b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine char *ptr; 4202b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine int fd; 4212b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine 4222b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine fd = open("/proc/cmdline", O_RDONLY); 4232b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine if (fd >= 0) { 4242b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine int n = read(fd, cmdline, 1023); 4252b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine if (n < 0) n = 0; 4262b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine 4272b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine /* get rid of trailing newline, it happens */ 4282b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine if (n > 0 && cmdline[n-1] == '\n') n--; 4292b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine 4302b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine cmdline[n] = 0; 4312b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine close(fd); 4322b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine } else { 4332b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine cmdline[0] = 0; 4342b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine } 4352b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine 4362b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine ptr = cmdline; 4372b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine while (ptr && *ptr) { 4382b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine char *x = strchr(ptr, ' '); 4392b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine if (x != 0) *x++ = 0; 4402b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine import_kernel_nv(ptr, in_qemu); 4412b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine ptr = x; 4422b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine } 4432b99543cef1b8b0aa8cca39544939910035117b0Vladimir Chtchetkine} 444