1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2013 Nathan Whitehorn 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #include <sys/param.h> 32 33 #include <ctype.h> 34 #include <libgeom.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 39 #include "partedit.h" 40 41 static struct gprovider * 42 provider_for_name(struct gmesh *mesh, const char *name) 43 { 44 struct gclass *classp; 45 struct gprovider *pp = NULL; 46 struct ggeom *gp; 47 48 LIST_FOREACH(classp, &mesh->lg_class, lg_class) { 49 LIST_FOREACH(gp, &classp->lg_geom, lg_geom) { 50 if (LIST_EMPTY(&gp->lg_provider)) 51 continue; 52 53 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) 54 if (strcmp(pp->lg_name, name) == 0) 55 break; 56 57 if (pp != NULL) break; 58 } 59 60 if (pp != NULL) break; 61 } 62 63 return (pp); 64 } 65 66 static int 67 part_config(char *disk, const char *scheme, char *config) 68 { 69 char *partition, *ap, *size = NULL, *type = NULL, *mount = NULL; 70 struct gclass *classp; 71 struct gmesh mesh; 72 struct ggeom *gpart = NULL; 73 int error; 74 75 if (scheme == NULL) 76 scheme = default_scheme(); 77 78 error = geom_gettree(&mesh); 79 if (provider_for_name(&mesh, disk) == NULL) { 80 fprintf(stderr, "GEOM provider %s not found\n", disk); 81 geom_deletetree(&mesh); 82 return (-1); 83 } 84 85 /* Remove any existing partitioning and create new scheme */ 86 LIST_FOREACH(classp, &mesh.lg_class, lg_class) 87 if (strcmp(classp->lg_name, "PART") == 0) 88 break; 89 if (classp != NULL) { 90 LIST_FOREACH(gpart, &classp->lg_geom, lg_geom) 91 if (strcmp(gpart->lg_name, disk) == 0) 92 break; 93 } 94 if (gpart != NULL) 95 gpart_destroy(gpart); 96 gpart_partition(disk, scheme); 97 98 if (strcmp(scheme, "MBR") == 0) { 99 struct gmesh submesh; 100 geom_gettree(&submesh); 101 gpart_create(provider_for_name(&submesh, disk), 102 "freebsd", NULL, NULL, &disk, 0); 103 geom_deletetree(&submesh); 104 } else { 105 disk= strdup(disk); 106 } 107 108 geom_deletetree(&mesh); 109 error = geom_gettree(&mesh); 110 111 /* Create partitions */ 112 if (config == NULL) { 113 wizard_makeparts(&mesh, disk, "ufs", 0); 114 goto finished; 115 } 116 117 while ((partition = strsep(&config, ",")) != NULL) { 118 while ((ap = strsep(&partition, " \t\n")) != NULL) { 119 if (*ap == '\0') 120 continue; 121 if (size == NULL) 122 size = ap; 123 else if (type == NULL) 124 type = ap; 125 else if (mount == NULL) 126 mount = ap; 127 } 128 if (size == NULL) 129 continue; 130 if (strcmp(size, "auto") == 0) 131 size = NULL; 132 gpart_create(provider_for_name(&mesh, disk), type, size, mount, 133 NULL, 0); 134 geom_deletetree(&mesh); 135 error = geom_gettree(&mesh); 136 size = type = mount = NULL; 137 } 138 139 finished: 140 geom_deletetree(&mesh); 141 free(disk); 142 143 return (0); 144 } 145 146 static 147 int parse_disk_config(char *input) 148 { 149 char *ap; 150 char *disk = NULL, *scheme = NULL, *partconfig = NULL; 151 152 while (input != NULL && *input != 0) { 153 if (isspace(*input)) { 154 input++; 155 continue; 156 } 157 158 switch(*input) { 159 case '{': 160 input++; 161 partconfig = strchr(input, '}'); 162 if (partconfig == NULL) { 163 fprintf(stderr, "Malformed partition setup " 164 "string: %s\n", input); 165 return (1); 166 } 167 *partconfig = '\0'; 168 ap = partconfig+1; 169 partconfig = input; 170 input = ap; 171 break; 172 default: 173 if (disk == NULL) 174 disk = strsep(&input, " \t\n"); 175 else if (scheme == NULL) 176 scheme = strsep(&input, " \t\n"); 177 else { 178 fprintf(stderr, "Unknown directive: %s\n", 179 strsep(&input, " \t\n")); 180 return (1); 181 } 182 } 183 } while (input != NULL && *input != 0); 184 185 if (disk == NULL || strcmp(disk, "DEFAULT") == 0) { 186 struct gmesh mesh; 187 geom_gettree(&mesh); 188 disk = boot_disk_select(&mesh); 189 geom_deletetree(&mesh); 190 } 191 192 return (part_config(disk, scheme, partconfig)); 193 } 194 195 int 196 scripted_editor(int argc, const char **argv) 197 { 198 char *token; 199 int i, error = 0, len = 0; 200 201 for (i = 1; i < argc; i++) 202 len += strlen(argv[i]) + 1; 203 char inputbuf[len], *input = inputbuf; 204 strcpy(input, argv[1]); 205 for (i = 2; i < argc; i++) { 206 strcat(input, " "); 207 strcat(input, argv[i]); 208 } 209 210 while ((token = strsep(&input, ";")) != NULL) { 211 error = parse_disk_config(token); 212 if (error != 0) 213 return (error); 214 } 215 216 return (0); 217 } 218 219