Szymon Starzycki | b6c5f28 | 2013-07-24 17:08:04 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2009-2013, Google Inc. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * * Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * * Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in |
| 12 | * the documentation and/or other materials provided with the |
| 13 | * distribution. |
| 14 | * * Neither the name of Google, Inc. nor the names of its contributors |
| 15 | * may be used to endorse or promote products derived from this |
| 16 | * software without specific prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 19 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 20 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 21 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 22 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 24 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| 25 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 26 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 27 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 28 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 29 | * SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | #include <stdio.h> |
| 33 | #include <stdlib.h> |
| 34 | #include <getopt.h> |
| 35 | #include <unistd.h> |
| 36 | |
| 37 | #include <cutils/klog.h> |
| 38 | |
| 39 | #include "commands/partitions.h" |
| 40 | #include "debug.h" |
| 41 | |
| 42 | unsigned int debug_level = DEBUG; |
| 43 | //TODO: add tool to generate config file |
| 44 | |
| 45 | void usage() { |
| 46 | fprintf(stderr, |
| 47 | "usage: test_gpt [ <option> ] <file>\n" |
| 48 | "\n" |
| 49 | "options:\n" |
| 50 | " -p print partitions\n" |
| 51 | " -c print config file\n" |
| 52 | " -a adds new partition\n" |
| 53 | " -d deletes partition (-o needed)\n" |
| 54 | "\n" |
| 55 | " -n name@startlba,endlba new partition detail\n" |
| 56 | " -o old partition name\n" |
| 57 | " -t type guid\n" |
| 58 | " -g partition guid\n" |
| 59 | " -l gpt_location specyfies gpt secto\n" |
| 60 | ); |
| 61 | |
| 62 | } |
| 63 | |
| 64 | void printGPT(struct GPT_entry_table *table); |
| 65 | void addGPT(struct GPT_entry_table *table, const char *arg, const char *guid, const char *tguid); |
| 66 | void deleteGPT(struct GPT_entry_table *table, const char *name); |
| 67 | void configPrintGPT(struct GPT_entry_table *table); |
| 68 | |
| 69 | int main(int argc, char *argv[]) { |
| 70 | int print_cmd = 0; |
| 71 | int config_cmd = 0; |
| 72 | int add_cmd = 0; |
| 73 | int del_cmd = 0; |
| 74 | int sync_cmd = 0; |
| 75 | int c; |
| 76 | const char *new_partition = NULL; |
| 77 | const char *old_partition = NULL; |
| 78 | const char *type_guid = NULL; |
| 79 | const char *partition_guid = NULL; |
| 80 | unsigned gpt_location = 1; |
| 81 | |
| 82 | klog_init(); |
| 83 | klog_set_level(6); |
| 84 | |
| 85 | const struct option longopts[] = { |
| 86 | {"print", no_argument, 0, 'p'}, |
| 87 | {"config-print", no_argument, 0, 'c'}, |
| 88 | {"add", no_argument, 0, 'a'}, |
| 89 | {"del", no_argument, 0, 'd'}, |
| 90 | {"new", required_argument, 0, 'n'}, |
| 91 | {"old", required_argument, 0, 'o'}, |
| 92 | {"type", required_argument, 0, 't'}, |
| 93 | {"sync", required_argument, 0, 's'}, |
| 94 | {"guid", required_argument, 0, 'g'}, |
| 95 | {"location", required_argument, 0, 'l'}, |
| 96 | {0, 0, 0, 0} |
| 97 | }; |
| 98 | |
| 99 | while (1) { |
| 100 | c = getopt_long(argc, argv, "pcadt:g:n:o:sl:", longopts, NULL); |
| 101 | /* Alphabetical cases */ |
| 102 | if (c < 0) |
| 103 | break; |
| 104 | switch (c) { |
| 105 | case 'p': |
| 106 | print_cmd = 1; |
| 107 | break; |
| 108 | case 'c': |
| 109 | config_cmd = 1; |
| 110 | break; |
| 111 | case 'a': |
| 112 | add_cmd = 1; |
| 113 | break; |
| 114 | case 'd': |
| 115 | del_cmd = 1; |
| 116 | break; |
| 117 | case 'n': |
| 118 | new_partition = optarg; |
| 119 | break; |
| 120 | case 'o': |
| 121 | old_partition = optarg; |
| 122 | break; |
| 123 | case 't': |
| 124 | type_guid = optarg; |
| 125 | case 'g': |
| 126 | partition_guid = optarg; |
| 127 | break; |
| 128 | case 's': |
| 129 | sync_cmd = 1; |
| 130 | break; |
| 131 | case 'l': |
| 132 | gpt_location = strtoul(optarg, NULL, 10); |
| 133 | fprintf(stderr, "Got offset as %d", gpt_location); |
| 134 | break; |
| 135 | case '?': |
| 136 | return 1; |
| 137 | default: |
| 138 | abort(); |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | argc -= optind; |
| 143 | argv += optind; |
| 144 | |
| 145 | if (argc < 1) { |
| 146 | usage(); |
| 147 | return 1; |
| 148 | } |
| 149 | |
| 150 | const char *path = argv[0]; |
| 151 | struct GPT_entry_table *table = GPT_get_device(path, gpt_location); |
| 152 | if (table == NULL) { |
| 153 | fprintf(stderr, "unable to get GPT table from %s\n", path); |
| 154 | return 1; |
| 155 | } |
| 156 | |
Szymon Starzycki | b6c5f28 | 2013-07-24 17:08:04 -0700 | [diff] [blame] | 157 | if (add_cmd) |
| 158 | addGPT(table, new_partition, partition_guid, type_guid); |
| 159 | if (del_cmd) |
| 160 | deleteGPT(table, old_partition); |
| 161 | if (print_cmd) |
| 162 | printGPT(table); |
| 163 | if (config_cmd) |
| 164 | configPrintGPT(table); |
| 165 | if (sync_cmd) |
| 166 | GPT_sync(table); |
| 167 | |
| 168 | GPT_release_device(table); |
| 169 | |
| 170 | return 0; |
| 171 | } |
| 172 | |
| 173 | void printGPT(struct GPT_entry_table *table) { |
| 174 | struct GPT_entry_raw *entry = table->entries; |
| 175 | unsigned n, m; |
| 176 | char name[GPT_NAMELEN + 1]; |
| 177 | |
| 178 | printf("ptn start block end block name\n"); |
| 179 | printf("---- ------------- -------------\n"); |
| 180 | |
| 181 | for (n = 0; n < table->header->entries_count; n++, entry++) { |
| 182 | if (entry->type_guid[0] == 0) |
| 183 | continue; |
| 184 | for (m = 0; m < GPT_NAMELEN; m++) { |
| 185 | name[m] = entry->name[m] & 127; |
| 186 | } |
| 187 | name[m] = 0; |
| 188 | printf("#%03d %13lld %13lld %s\n", |
| 189 | n + 1, entry->first_lba, entry->last_lba, name); |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | void configPrintGPT(struct GPT_entry_table *table) { |
| 194 | struct GPT_entry_raw *entry = table->entries; |
| 195 | unsigned n, m; |
| 196 | char name[GPT_NAMELEN + 1]; |
Szymon Starzycki | b88fa32 | 2013-09-17 14:17:32 -0700 | [diff] [blame] | 197 | char temp_guid[17]; |
| 198 | temp_guid[16] = 0; |
Szymon Starzycki | b6c5f28 | 2013-07-24 17:08:04 -0700 | [diff] [blame] | 199 | |
| 200 | printf("header_lba %lld\n", table->header->current_lba); |
| 201 | printf("backup_lba %lld\n", table->header->backup_lba); |
| 202 | printf("first_lba %lld\n", table->header->first_usable_lba); |
| 203 | printf("last_lba %lld\n", table->header->last_usable_lba); |
| 204 | printf("entries_lba %lld\n", table->header->entries_lba); |
Szymon Starzycki | b88fa32 | 2013-09-17 14:17:32 -0700 | [diff] [blame] | 205 | snprintf(temp_guid, 17, "%s", table->header->disk_guid); |
| 206 | printf("guid \"%s\"", temp_guid); |
Szymon Starzycki | b6c5f28 | 2013-07-24 17:08:04 -0700 | [diff] [blame] | 207 | |
| 208 | printf("\npartitions {\n"); |
| 209 | |
| 210 | for (n = 0; n < table->header->entries_count; n++, entry++) { |
| 211 | uint64_t size = entry->last_lba - entry->first_lba + 1; |
| 212 | |
| 213 | if (entry->type_guid[0] == 0) |
| 214 | continue; |
| 215 | for (m = 0; m < GPT_NAMELEN; m++) { |
| 216 | name[m] = entry->name[m] & 127; |
| 217 | } |
| 218 | name[m] = 0; |
| 219 | |
| 220 | printf(" %s {\n", name); |
Szymon Starzycki | b88fa32 | 2013-09-17 14:17:32 -0700 | [diff] [blame] | 221 | snprintf(temp_guid, 17, "%s", entry->partition_guid); |
| 222 | printf(" guid \"%s\"\n", temp_guid); |
Szymon Starzycki | b6c5f28 | 2013-07-24 17:08:04 -0700 | [diff] [blame] | 223 | printf(" first_lba %lld\n", entry->first_lba); |
| 224 | printf(" partition_size %lld\n", size); |
Szymon Starzycki | b88fa32 | 2013-09-17 14:17:32 -0700 | [diff] [blame] | 225 | if (entry->flags & GPT_FLAG_SYSTEM) |
| 226 | printf(" system\n"); |
| 227 | if (entry->flags & GPT_FLAG_BOOTABLE) |
| 228 | printf(" bootable\n"); |
| 229 | if (entry->flags & GPT_FLAG_READONLY) |
| 230 | printf(" readonly\n"); |
| 231 | if (entry->flags & GPT_FLAG_DOAUTOMOUNT) |
| 232 | printf(" automount\n"); |
Szymon Starzycki | b6c5f28 | 2013-07-24 17:08:04 -0700 | [diff] [blame] | 233 | printf(" }\n\n"); |
| 234 | } |
| 235 | printf("}\n"); |
| 236 | } |
| 237 | |
| 238 | void addGPT(struct GPT_entry_table *table, const char *str , const char *guid, const char *tguid) { |
| 239 | char *c, *c2; |
| 240 | char *arg = malloc(strlen(str)); |
| 241 | char *name = arg; |
| 242 | unsigned start, end; |
| 243 | strcpy(arg, str); |
| 244 | if (guid == NULL || tguid == NULL) { |
| 245 | fprintf(stderr, "Type guid and partion guid needed"); |
| 246 | free(arg); |
| 247 | return; |
| 248 | } |
| 249 | |
| 250 | c = strchr(arg, '@'); |
| 251 | |
| 252 | if (c == NULL) { |
| 253 | fprintf(stderr, "Wrong entry format"); |
| 254 | free(arg); |
| 255 | return; |
| 256 | } |
| 257 | |
| 258 | *c++ = '\0'; |
| 259 | |
| 260 | c2 = strchr(c, ','); |
| 261 | |
| 262 | if (c2 == NULL) { |
| 263 | fprintf(stderr, "Wrong entry format"); |
| 264 | free(arg); |
| 265 | return; |
| 266 | } |
| 267 | |
| 268 | start = strtoul(c, NULL, 10); |
| 269 | *c2++ = '\0'; |
| 270 | end = strtoul(c2, NULL, 10); |
| 271 | |
| 272 | struct GPT_entry_raw data; |
| 273 | strncpy((char *)data.partition_guid, guid, 15); |
| 274 | data.partition_guid[15] = '\0'; |
| 275 | strncpy((char *)data.type_guid, tguid, 15); |
| 276 | data.type_guid[15] = '\0'; |
| 277 | GPT_to_UTF16(data.name, name, GPT_NAMELEN); |
| 278 | data.first_lba = start; |
| 279 | data.last_lba = end; |
| 280 | |
| 281 | fprintf(stderr, "Adding (%d,%d) %s as, [%s, %s]", start, end, name, (char *) data.type_guid, (char *) data.partition_guid); |
| 282 | GPT_add_entry(table, &data); |
| 283 | free(arg); |
| 284 | } |
| 285 | |
| 286 | void deleteGPT(struct GPT_entry_table *table, const char *name) { |
| 287 | struct GPT_entry_raw *entry; |
| 288 | |
| 289 | if (name == NULL) { |
| 290 | fprintf(stderr, "Need partition name"); |
| 291 | return; |
| 292 | } |
| 293 | |
| 294 | entry = GPT_get_pointer_by_name(table, name); |
| 295 | |
| 296 | if (!entry) { |
| 297 | fprintf(stderr, "Unable to find partition: %s", name); |
| 298 | return; |
| 299 | } |
| 300 | GPT_delete_entry(table, entry); |
| 301 | } |
| 302 | |