srs5694 | 3860cbe | 2011-09-10 20:29:53 -0400 | [diff] [blame] | 1 | #!/bin/bash |
| 2 | # test gdisk and sgdisk by creating a dd file |
| 3 | # Copyright (C) 2011 Guillaume Delacour <gui@iroqwa.org> |
| 4 | # |
| 5 | # This program is free software; you can redistribute it and/or modify |
| 6 | # it under the terms of the GNU General Public License as published by |
| 7 | # the Free Software Foundation; either version 2 of the License, or |
| 8 | # (at your option) any later version. |
| 9 | # |
| 10 | # This program is distributed in the hope that it will be useful, |
| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | # GNU General Public License for more details. |
| 14 | # |
| 15 | # You should have received a copy of the GNU General Public License along |
| 16 | # with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | # |
| 19 | # |
| 20 | # Requires: coreutils (mktemp, dd) and 64M of disk space in /tmp (temp dd disk) |
| 21 | # |
| 22 | # This script test gdisk commands through the following scenario: |
| 23 | # - Initialize a new GPT table |
| 24 | # - Create a single Linux partition |
| 25 | # - Change name of partition |
| 26 | # - Change type of partition |
| 27 | # - Backup to file the GPT table |
| 28 | # - Delete the single partition |
| 29 | # - Restore from backup file the GPT table |
| 30 | # - Wipe the GPT table |
| 31 | |
| 32 | # TODO |
| 33 | # Try to generate a wrong GPT table to detect problems (test --verify) |
| 34 | # Create MBR partition table with fdisk and migrate it with gdisk |
| 35 | |
| 36 | GDISK_BIN=./gdisk |
| 37 | SGDISK_BIN=./sgdisk |
| 38 | |
| 39 | OPT_CLEAR="o" |
| 40 | OPT_NEW="n" |
| 41 | OPT_CHANGE_NAME="c" |
| 42 | OPT_CHANGE_TYPE="t" |
| 43 | OPT_BACKUP="b" |
| 44 | OPT_DELETE="d" |
| 45 | OPT_ZAP="z" |
| 46 | |
| 47 | # temp disk for testing gdisk |
| 48 | TEMP_DISK=$(mktemp) |
| 49 | # 64 MiB |
| 50 | TEMP_DISK_SIZE=65536 |
| 51 | |
| 52 | # the test partition to create |
| 53 | TEST_PART_TYPE="8300" |
| 54 | TEST_PART_DEFAULT_NAME="Linux filesystem" |
| 55 | |
| 56 | # newname for the partition |
| 57 | TEST_PART_NEWNAME=$(tr -dc "[:alpha:]" < /dev/urandom | head -c 8) |
| 58 | # and new type (swap for example) |
| 59 | TEST_PART_NEWTYPE="8200" |
| 60 | |
| 61 | # GPT data backup to filename |
| 62 | GPT_BACKUP_FILENAME=$(mktemp) |
| 63 | |
| 64 | # Pretty print string (Red if FAILED or green if SUCCESS) |
| 65 | # $1: string to pretty print |
| 66 | pretty_print() { |
| 67 | if [ "$1" = "SUCCESS" ] |
| 68 | then |
| 69 | # green |
| 70 | color="32" |
| 71 | else |
| 72 | # red |
| 73 | color="31" |
| 74 | fi |
| 75 | |
| 76 | printf "\033[0;${color}m**$1**\033[m $2\n" |
| 77 | } |
| 78 | |
| 79 | # Verify that the partition exist and has the given type/name |
| 80 | # $1: Partition type to verify (ex.: 8300) |
| 81 | # $2: Partition name to verify (ex.: Linux filesystem) |
| 82 | # $3: Text to print |
| 83 | verify_part() { |
| 84 | partition=$($GDISK_BIN -l $TEMP_DISK | tail -n 1) |
| 85 | echo $partition | grep -q "$1[[:space:]]$2$" |
| 86 | |
| 87 | if [ $? -eq 0 ] |
| 88 | then |
| 89 | pretty_print "SUCCESS" "$3" |
| 90 | else |
| 91 | pretty_print "FAILED" "$3" |
| 92 | exit 1 |
| 93 | fi |
| 94 | } |
| 95 | |
| 96 | |
| 97 | ##################################### |
| 98 | # Get GUID of disk |
| 99 | ##################################### |
| 100 | get_diskguid() { |
| 101 | DISK_GUID=$($GDISK_BIN -l $TEMP_DISK | grep "^Disk identifier (GUID):" | awk '{print $4}') |
| 102 | return $DISK_GUID |
| 103 | } |
| 104 | |
| 105 | |
| 106 | ##################################### |
| 107 | # Create a new empty table |
| 108 | ##################################### |
| 109 | create_table() { |
| 110 | case $1 in |
| 111 | gdisk) |
| 112 | $GDISK_BIN $TEMP_DISK << EOF |
| 113 | $OPT_CLEAR |
| 114 | Y |
| 115 | w |
| 116 | Y |
| 117 | EOF |
| 118 | ;; |
| 119 | sgdisk) |
| 120 | $SGDISK_BIN $TEMP_DISK -${OPT_CLEAR} |
| 121 | ;; |
| 122 | esac |
| 123 | |
| 124 | # verify that the table is empty |
| 125 | # only the columns should appear in the table |
| 126 | verify_part "Code" "Name" "Create new empty GPT table" |
| 127 | echo "" |
| 128 | } |
| 129 | |
| 130 | |
| 131 | |
| 132 | ##################################### |
| 133 | # First create a new partition |
| 134 | ##################################### |
| 135 | create_partition() { |
| 136 | case $1 in |
| 137 | gdisk) |
| 138 | $GDISK_BIN $TEMP_DISK << EOF |
| 139 | $OPT_NEW |
| 140 | 1 |
| 141 | |
| 142 | |
| 143 | $TEST_PART_TYPE |
| 144 | w |
| 145 | Y |
| 146 | EOF |
| 147 | ;; |
| 148 | |
| 149 | sgdisk) |
| 150 | $SGDISK_BIN $TEMP_DISK -${OPT_NEW}=1 -${OPT_CHANGE_NAME}=1:"${TEST_PART_DEFAULT_NAME}" |
| 151 | ;; |
| 152 | esac |
| 153 | |
| 154 | verify_part "$TEST_PART_TYPE" "$TEST_PART_DEFAULT_NAME" "Create new partition" |
| 155 | echo "" |
| 156 | } |
| 157 | |
| 158 | |
| 159 | ##################################### |
| 160 | # Change name of partition |
| 161 | ##################################### |
| 162 | change_partition_name() { |
| 163 | case $1 in |
| 164 | gdisk) |
| 165 | $GDISK_BIN $TEMP_DISK << EOF |
| 166 | $OPT_CHANGE_NAME |
| 167 | $TEST_PART_NEWNAME |
| 168 | w |
| 169 | Y |
| 170 | EOF |
| 171 | ;; |
| 172 | |
| 173 | sgdisk) |
| 174 | $SGDISK_BIN $TEMP_DISK -${OPT_CHANGE_NAME}=1:${TEST_PART_NEWNAME} |
| 175 | ;; |
| 176 | esac |
| 177 | |
| 178 | verify_part "$TEST_PART_TYPE" "$TEST_PART_NEWNAME" "Change partition 1 name ($TEST_PART_DEFAULT_NAME -> $TEST_PART_NEWNAME)" |
| 179 | echo "" |
| 180 | } |
| 181 | |
| 182 | |
| 183 | change_partition_type() { |
| 184 | ##################################### |
| 185 | # Change type of partition |
| 186 | ##################################### |
| 187 | case $1 in |
| 188 | gdisk) |
| 189 | $GDISK_BIN $TEMP_DISK << EOF |
| 190 | $OPT_CHANGE_TYPE |
| 191 | $TEST_PART_NEWTYPE |
| 192 | w |
| 193 | Y |
| 194 | EOF |
| 195 | ;; |
| 196 | |
| 197 | sgdisk) |
| 198 | $SGDISK_BIN $TEMP_DISK -${OPT_CHANGE_TYPE}=1:${TEST_PART_NEWTYPE} |
| 199 | ;; |
| 200 | esac |
| 201 | |
| 202 | verify_part "$TEST_PART_NEWTYPE" "$TEST_PART_NEWNAME" "Change partition 1 type ($TEST_PART_TYPE -> $TEST_PART_NEWTYPE)" |
| 203 | echo "" |
| 204 | } |
| 205 | |
| 206 | |
| 207 | ##################################### |
| 208 | # Backup GPT data to file |
| 209 | ##################################### |
| 210 | backup_table() { |
| 211 | case $1 in |
| 212 | gdisk) |
| 213 | $GDISK_BIN $TEMP_DISK << EOF |
| 214 | $OPT_BACKUP |
| 215 | $GPT_BACKUP_FILENAME |
| 216 | q |
| 217 | EOF |
| 218 | echo "" |
| 219 | ;; |
| 220 | |
| 221 | sgdisk) |
| 222 | $SGDISK_BIN $TEMP_DISK -${OPT_BACKUP}=${GPT_BACKUP_FILENAME} |
| 223 | ;; |
| 224 | esac |
| 225 | |
| 226 | # if exist and not empty; we will test it after |
| 227 | if [ -s $GPT_BACKUP_FILENAME ] |
| 228 | then |
| 229 | pretty_print "SUCCESS" "GPT data backuped sucessfully" |
| 230 | else |
| 231 | pretty_print "FAILED" "Unable to create GPT backup file !" |
| 232 | exit 1 |
| 233 | fi |
| 234 | } |
| 235 | |
| 236 | |
| 237 | ##################################### |
| 238 | # Now, we can delete the partition |
| 239 | ##################################### |
| 240 | delete_partition() { |
| 241 | case $1 in |
| 242 | gdisk) |
| 243 | $GDISK_BIN $TEMP_DISK << EOF |
| 244 | $OPT_DELETE |
| 245 | w |
| 246 | Y |
| 247 | EOF |
| 248 | ;; |
| 249 | |
| 250 | sgdisk) |
| 251 | $SGDISK_BIN $TEMP_DISK -${OPT_DELETE}=1 |
| 252 | ;; |
| 253 | esac |
| 254 | |
| 255 | # verify that the table is empty (just one partition): |
| 256 | # only the columns should appear in the table |
| 257 | verify_part "Code" "Name" "Delete partition 1" |
| 258 | echo "" |
| 259 | } |
| 260 | |
| 261 | |
| 262 | ##################################### |
| 263 | # Restore GPT table |
| 264 | ##################################### |
| 265 | restore_table() { |
| 266 | $GDISK_BIN $TEMP_DISK << EOF |
| 267 | r |
| 268 | r |
| 269 | l |
| 270 | $GPT_BACKUP_FILENAME |
| 271 | w |
| 272 | Y |
| 273 | EOF |
| 274 | |
| 275 | verify_part "$TEST_PART_NEWTYPE" "$TEST_PART_NEWNAME" "Restore the GPT backup" |
| 276 | echo "" |
| 277 | } |
| 278 | |
| 279 | |
| 280 | ##################################### |
| 281 | # Change UID of disk |
| 282 | ##################################### |
| 283 | change_disk_uid() { |
| 284 | |
| 285 | # get UID of disk before changing it |
| 286 | GUID=get_diskguid |
| 287 | |
| 288 | |
| 289 | case $1 in |
| 290 | gdisk) |
| 291 | $GDISK_BIN $TEMP_DISK << EOF |
| 292 | x |
| 293 | g |
| 294 | R |
| 295 | w |
| 296 | Y |
| 297 | EOF |
| 298 | ;; |
| 299 | |
| 300 | sgdisk) |
| 301 | $SGDISK_BIN $TEMP_DISK -U=R |
| 302 | ;; |
| 303 | esac |
| 304 | |
| 305 | # get GUID after change |
| 306 | NEW_DISK_GUID=get_diskguid |
| 307 | |
| 308 | # compare them |
| 309 | if [ "$DISK_GUID" != "$NEW_DISK_GUID" ] |
| 310 | then |
| 311 | pretty_print "SUCCESS" "GUID of disk has been sucessfully changed" |
| 312 | else |
| 313 | pretty_print "FAILED" "GUID of disk is the same as the previous one" |
| 314 | fi |
| 315 | } |
| 316 | |
| 317 | ##################################### |
| 318 | # Wipe GPT table |
| 319 | ##################################### |
| 320 | wipe_table() { |
| 321 | case $1 in |
| 322 | gdisk) |
| 323 | $GDISK_BIN $TEMP_DISK << EOF |
| 324 | x |
| 325 | $OPT_ZAP |
| 326 | Y |
| 327 | Y |
| 328 | EOF |
| 329 | ;; |
| 330 | |
| 331 | sgdisk) |
| 332 | $SGDISK_BIN $TEMP_DISK -${OPT_ZAP} |
| 333 | esac |
| 334 | |
| 335 | # verify that the table is empty (just one partition): |
| 336 | # only the columns should appear in the table |
| 337 | verify_part "Code" "Name" "Wipe GPT table" |
| 338 | echo "" |
| 339 | } |
| 340 | |
srs5694 | 3488294 | 2012-03-23 12:49:15 -0400 | [diff] [blame] | 341 | ##################################### |
| 342 | # Test stdin EOF |
| 343 | ##################################### |
| 344 | eof_stdin() { |
| 345 | $SGDISK_BIN $TEMP_DISK << EOF |
| 346 | ^D |
| 347 | EOF |
| 348 | pretty_print "SUCCESS" "EOF successfully exit gdisk" |
| 349 | } |
srs5694 | 3860cbe | 2011-09-10 20:29:53 -0400 | [diff] [blame] | 350 | |
| 351 | ################################### |
| 352 | # Main |
| 353 | ################################### |
| 354 | |
| 355 | # create a file to simulate a real device |
| 356 | dd if=/dev/zero of=$TEMP_DISK bs=1024 count=$TEMP_DISK_SIZE |
| 357 | |
| 358 | if [ -s $TEMP_DISK ] |
| 359 | then |
| 360 | pretty_print "SUCCESS" "Temp disk sucessfully created" |
| 361 | else |
| 362 | pretty_print "FAILED" "Unable to create temp disk !" |
| 363 | exit 1 |
| 364 | fi |
| 365 | |
| 366 | # test gdisk and sgdisk |
| 367 | for binary in gdisk sgdisk |
| 368 | do |
| 369 | echo "" |
| 370 | printf "\033[0;34m**Testing $binary binary**\033[m\n" |
| 371 | echo "" |
| 372 | create_table "$binary" |
| 373 | create_partition "$binary" |
| 374 | change_partition_name "$binary" |
| 375 | change_partition_type "$binary" |
| 376 | backup_table "$binary" |
| 377 | delete_partition "$binary" |
| 378 | restore_table # only with gdisk |
| 379 | change_disk_uid "$binary" |
| 380 | wipe_table "$binary" |
srs5694 | 3488294 | 2012-03-23 12:49:15 -0400 | [diff] [blame] | 381 | eof_stdin # only with gdisk |
srs5694 | 3860cbe | 2011-09-10 20:29:53 -0400 | [diff] [blame] | 382 | done |
| 383 | |
| 384 | # remove temp files |
| 385 | rm -f $TEMP_DISK $GPT_BACKUP_FILENAME |
| 386 | |
| 387 | exit 0 |