1253923Smarcel/*- 2263409Smarcel * Copyright (c) 2013,2014 Juniper Networks, Inc. 3253923Smarcel * All rights reserved. 4253923Smarcel * 5253923Smarcel * Redistribution and use in source and binary forms, with or without 6253923Smarcel * modification, are permitted provided that the following conditions 7253923Smarcel * are met: 8253923Smarcel * 1. Redistributions of source code must retain the above copyright 9253923Smarcel * notice, this list of conditions and the following disclaimer. 10253923Smarcel * 2. Redistributions in binary form must reproduce the above copyright 11253923Smarcel * notice, this list of conditions and the following disclaimer in the 12253923Smarcel * documentation and/or other materials provided with the distribution. 13253923Smarcel * 14253923Smarcel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15253923Smarcel * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16253923Smarcel * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17253923Smarcel * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18253923Smarcel * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19253923Smarcel * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20253923Smarcel * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21253923Smarcel * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22253923Smarcel * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23253923Smarcel * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24253923Smarcel * SUCH DAMAGE. 25253923Smarcel */ 26253923Smarcel 27253923Smarcel#include <sys/cdefs.h> 28253923Smarcel__FBSDID("$FreeBSD$"); 29253923Smarcel 30253923Smarcel#include <sys/types.h> 31263409Smarcel#include <sys/linker_set.h> 32263382Smarcel#include <sys/queue.h> 33263537Smarcel#include <sys/stat.h> 34253923Smarcel#include <err.h> 35253923Smarcel#include <errno.h> 36253923Smarcel#include <stdint.h> 37263537Smarcel#include <stdlib.h> 38263466Smarcel#include <string.h> 39253923Smarcel#include <unistd.h> 40253923Smarcel 41268161Smarcel#include "image.h" 42263382Smarcel#include "mkimg.h" 43253923Smarcel#include "scheme.h" 44253923Smarcel 45263487Smarcelstatic struct { 46263487Smarcel const char *name; 47263487Smarcel enum alias alias; 48263487Smarcel} scheme_alias[] = { 49263672Smarcel { "ebr", ALIAS_EBR }, 50263487Smarcel { "efi", ALIAS_EFI }, 51263672Smarcel { "fat32", ALIAS_FAT32 }, 52263487Smarcel { "freebsd", ALIAS_FREEBSD }, 53263487Smarcel { "freebsd-boot", ALIAS_FREEBSD_BOOT }, 54263487Smarcel { "freebsd-nandfs", ALIAS_FREEBSD_NANDFS }, 55263487Smarcel { "freebsd-swap", ALIAS_FREEBSD_SWAP }, 56263487Smarcel { "freebsd-ufs", ALIAS_FREEBSD_UFS }, 57263487Smarcel { "freebsd-vinum", ALIAS_FREEBSD_VINUM }, 58263487Smarcel { "freebsd-zfs", ALIAS_FREEBSD_ZFS }, 59263487Smarcel { "mbr", ALIAS_MBR }, 60263487Smarcel { NULL, ALIAS_NONE } /* Keep last! */ 61263487Smarcel}; 62263487Smarcel 63263409Smarcelstatic struct mkimg_scheme *scheme; 64263537Smarcelstatic void *bootcode; 65253923Smarcel 66263487Smarcelstatic enum alias 67263487Smarcelscheme_parse_alias(const char *name) 68263487Smarcel{ 69263487Smarcel u_int idx; 70263487Smarcel 71263487Smarcel idx = 0; 72263487Smarcel while (scheme_alias[idx].name != NULL) { 73263487Smarcel if (strcasecmp(scheme_alias[idx].name, name) == 0) 74263487Smarcel return (scheme_alias[idx].alias); 75263487Smarcel idx++; 76263487Smarcel } 77263487Smarcel return (ALIAS_NONE); 78263487Smarcel} 79263487Smarcel 80253923Smarcelint 81253923Smarcelscheme_select(const char *spec) 82253923Smarcel{ 83263409Smarcel struct mkimg_scheme *s, **iter; 84253923Smarcel 85263409Smarcel SET_FOREACH(iter, schemes) { 86263409Smarcel s = *iter; 87263409Smarcel if (strcasecmp(spec, s->name) == 0) { 88263409Smarcel scheme = s; 89253923Smarcel return (0); 90253923Smarcel } 91253923Smarcel } 92253923Smarcel return (EINVAL); 93253923Smarcel} 94253923Smarcel 95263409Smarcelstruct mkimg_scheme * 96253923Smarcelscheme_selected(void) 97253923Smarcel{ 98253923Smarcel 99253923Smarcel return (scheme); 100253923Smarcel} 101253923Smarcel 102253923Smarcelint 103263537Smarcelscheme_bootcode(int fd) 104263537Smarcel{ 105263537Smarcel struct stat sb; 106263537Smarcel 107263537Smarcel if (scheme->bootcode == 0) 108263537Smarcel return (ENXIO); 109263537Smarcel 110268161Smarcel if (fstat(fd, &sb) == -1) 111268161Smarcel return (errno); 112263537Smarcel if (sb.st_size > scheme->bootcode) 113263537Smarcel return (EFBIG); 114263537Smarcel 115263537Smarcel bootcode = malloc(scheme->bootcode); 116263537Smarcel if (bootcode == NULL) 117263537Smarcel return (ENOMEM); 118263537Smarcel memset(bootcode, 0, scheme->bootcode); 119263537Smarcel if (read(fd, bootcode, sb.st_size) != sb.st_size) { 120263537Smarcel free(bootcode); 121263537Smarcel bootcode = NULL; 122263537Smarcel return (errno); 123263537Smarcel } 124263537Smarcel return (0); 125263537Smarcel} 126263537Smarcel 127263537Smarcelint 128263409Smarcelscheme_check_part(struct part *p) 129253923Smarcel{ 130263487Smarcel struct mkimg_alias *iter; 131263487Smarcel enum alias alias; 132253923Smarcel 133263414Smarcel /* Check the partition type alias */ 134263487Smarcel alias = scheme_parse_alias(p->alias); 135263487Smarcel if (alias == ALIAS_NONE) 136263487Smarcel return (EINVAL); 137263487Smarcel 138263414Smarcel iter = scheme->aliases; 139263487Smarcel while (iter->alias != ALIAS_NONE) { 140263487Smarcel if (alias == iter->alias) 141263414Smarcel break; 142263414Smarcel iter++; 143263414Smarcel } 144263487Smarcel if (iter->alias == ALIAS_NONE) 145263414Smarcel return (EINVAL); 146263461Smarcel p->type = iter->type; 147263466Smarcel 148263466Smarcel /* Validate the optional label. */ 149263466Smarcel if (p->label != NULL) { 150263466Smarcel if (strlen(p->label) > scheme->labellen) 151263487Smarcel return (EINVAL); 152263466Smarcel } 153263466Smarcel 154253923Smarcel return (0); 155253923Smarcel} 156253923Smarcel 157253923Smarcelu_int 158253923Smarcelscheme_max_parts(void) 159253923Smarcel{ 160253923Smarcel 161263409Smarcel return (scheme->nparts); 162253923Smarcel} 163253923Smarcel 164263829Smarcelu_int 165263829Smarcelscheme_max_secsz(void) 166263829Smarcel{ 167263829Smarcel 168263829Smarcel return (scheme->maxsecsz); 169263829Smarcel} 170263829Smarcel 171263653Smarcellba_t 172263844Smarcelscheme_metadata(u_int where, lba_t start) 173263442Smarcel{ 174263442Smarcel 175272030Smarcel return (scheme->metadata(where, start)); 176263442Smarcel} 177263442Smarcel 178263442Smarcelint 179268161Smarcelscheme_write(lba_t end) 180253923Smarcel{ 181263442Smarcel int error; 182253923Smarcel 183268161Smarcel end = image_get_size(); 184268161Smarcel error = scheme->write(end, bootcode); 185263442Smarcel return (error); 186253923Smarcel} 187