scripts/boot/arguments.sh

   1 #!/bin/sh
   2
   3 #set -e
   4
   5 Arguments ()
   6 {
   7         PRESEEDS=""
   8         LOCATIONS=""
   9
  10         for ARGUMENT in $(cat /proc/cmdline)
  11         do
  12                 case "${ARGUMENT}" in
  13                         read-only)
  14                                 READ_ONLY="true"
  15                                 ;;
  16
  17                         skipconfig)
  18                                 NOACCESSIBILITY="Yes"
  19                                 NOFASTBOOT="Yes"
  20                                 NOFSTAB="Yes"
  21                                 NONETWORKING="Yes"
  22
  23                                 export NOACCESSIBILITY NOFASTBOOT NOFSTAB NONETWORKING
  24                                 ;;
  25
  26                         access=*)
  27                                 ACCESS="${ARGUMENT#access=}"
  28                                 export ACCESS
  29                                 ;;
  30
  31                         console=*)
  32                                 DEFCONSOLE="${ARGUMENT#*=}"
  33                                 export DEFCONSOLE
  34                                 ;;
  35
  36                         BOOTIF=*)
  37                                 BOOTIF="${x#BOOTIF=}"
  38                                 ;;
  39
  40                         debug)
  41                                 DEBUG="Yes"
  42                                 export DEBUG
  43
  44                                 set -x
  45                                 ;;
  46
  47                         dhcp)
  48                                 # Force dhcp even while netbooting
  49                                 # Use for debugging in case somebody works on fixing dhclient
  50                                 DHCP="Force";
  51                                 export DHCP
  52                                 ;;
  53
  54                         nodhcp)
  55                                 unset DHCP
  56                                 ;;
  57
  58                         ethdevice=*)
  59                                 DEVICE="${ARGUMENT#ethdevice=}"
  60                                 ETHDEVICE="${DEVICE}"
  61                                 export DEVICE ETHDEVICE
  62                                 ;;
  63
  64                         ethdevice-timeout=*)
  65                                 ETHDEV_TIMEOUT="${ARGUMENT#ethdevice-timeout=}"
  66                                 export ETHDEV_TIMEOUT
  67                                 ;;
  68
  69                         fetch=*)
  70                                 FETCH="${ARGUMENT#fetch=}"
  71                                 export FETCH
  72                                 ;;
  73
  74                         findiso=*)
  75                                 FINDISO="${ARGUMENT#findiso=}"
  76                                 export FINDISO
  77                                 ;;
  78
  79                         forcepersistencefsck)
  80                                 FORCEPERSISTENCEFSCK="Yes"
  81                                 export FORCEPERSISTENCEFSCK
  82                                 ;;
  83
  84                         ftpfs=*)
  85                                 FTPFS="${ARGUMENT#ftpfs=}"
  86                                 export FTPFS
  87                                 ;;
  88
  89                         httpfs=*)
  90                                 HTTPFS="${ARGUMENT#httpfs=}"
  91                                 export HTTPFS
  92                                 ;;
  93
  94                         iscsi=*)
  95                                 ISCSI="${ARGUMENT#iscsi=}"
  96                                 #ip:port - separated by ;
  97                                 ISCSI_PORTAL="${ISCSI%;*}"
  98                                 if echo "${ISCSI_PORTAL}" | grep -q , ; then
  99                                         ISCSI_SERVER="${ISCSI_PORTAL%,*}"
 100                                         ISCSI_PORT="${ISCSI_PORTAL#*,}"
 101                                 fi
 102                                 #target name
 103                                 ISCSI_TARGET="${ISCSI#*;}"
 104                                 export ISCSI ISCSI_PORTAL ISCSI_TARGET ISCSI_SERVER ISCSI_PORT
 105                                 ;;
 106
 107                         isofrom=*|fromiso=*)
 108                                 FROMISO="${ARGUMENT#*=}"
 109                                 export FROMISO
 110                                 ;;
 111
 112                         ignore_uuid)
 113                                 IGNORE_UUID="Yes"
 114                                 export IGNORE_UUID
 115                                 ;;
 116
 117                         integrity-check)
 118                                 INTEGRITY_CHECK="Yes"
 119                                 export INTEGRITY_CHECK
 120                                 ;;
 121
 122                         ip=*)
 123                                 STATICIP="${ARGUMENT#ip=}"
 124
 125                                 if [ -z "${STATICIP}" ]
 126                                 then
 127                                         STATICIP="frommedia"
 128                                 fi
 129
 130                                 export STATICIP
 131                                 ;;
 132
 133                         live-getty)
 134                                 LIVE_GETTY="1"
 135                                 export LIVE_GETTY
 136                                 ;;
 137
 138                         live-media=*|bootfrom=*)
 139                                 LIVE_MEDIA="${ARGUMENT#*=}"
 140                                 export LIVE_MEDIA
 141                                 ;;
 142
 143                         live-media-encryption=*|encryption=*)
 144                                 LIVE_MEDIA_ENCRYPTION="${ARGUMENT#*=}"
 145                                 export LIVE_MEDIA_ENCRYPTION
 146                                 ;;
 147
 148                         live-media-offset=*)
 149                                 LIVE_MEDIA_OFFSET="${ARGUMENT#live-media-offset=}"
 150                                 export LIVE_MEDIA_OFFSET
 151                                 ;;
 152
 153                         live-media-path=*)
 154                                 LIVE_MEDIA_PATH="${ARGUMENT#live-media-path=}"
 155                                 export LIVE_MEDIA_PATH
 156                                 ;;
 157
 158                         live-media-timeout=*)
 159                                 LIVE_MEDIA_TIMEOUT="${ARGUMENT#live-media-timeout=}"
 160                                 export LIVE_MEDIA_TIMEOUT
 161                                 ;;
 162
 163                         module=*)
 164                                 MODULE="${ARGUMENT#module=}"
 165                                 export MODULE
 166                                 ;;
 167
 168                         netboot=*)
 169                                 NETBOOT="${ARGUMENT#netboot=}"
 170                                 export NETBOOT
 171                                 ;;
 172
 173                         nfsopts=*)
 174                                 NFSOPTS="${ARGUMENT#nfsopts=}"
 175                                 export NFSOPTS
 176                                 ;;
 177
 178                         nfsoverlay=*)
 179                                 NFS_COW="${ARGUMENT#nfsoverlay=}"
 180                                 export NFS_COW
 181                                 ;;
 182
 183                         noaccessibility)
 184                                 NOACCESSIBILITY="Yes"
 185                                 export NOACCESSIBILITY
 186                                 ;;
 187
 188                         nofastboot)
 189                                 NOFASTBOOT="Yes"
 190                                 export NOFASTBOOT
 191                                 ;;
 192
 193                         nofstab)
 194                                 NOFSTAB="Yes"
 195                                 export NOFSTAB
 196                                 ;;
 197
 198                         nonetworking)
 199                                 NONETWORKING="Yes"
 200                                 export NONETWORKING
 201                                 ;;
 202
 203                         ramdisk-size=*)
 204                                 ramdisk_size="${ARGUMENT#ramdisk-size=}"
 205                                 ;;
 206
 207                         swapon)
 208                                 SWAPON="Yes"
 209                                 export SWAPON
 210                                 ;;
 211
 212                         persistence)
 213                                 PERSISTENCE="Yes"
 214                                 export PERSISTENCE
 215                                 ;;
 216
 217                         persistence-encryption=*)
 218                                 PERSISTENCE_ENCRYPTION="${ARGUMENT#*=}"
 219                                 export PERSISTENCE_ENCRYPTION
 220                                 ;;
 221
 222                         persistence-media=*)
 223                                 PERSISTENCE_MEDIA="${ARGUMENT#*=}"
 224                                 export PERSISTENCE_MEDIA
 225                                 ;;
 226                         persistence-method=*)
 227                                 PERSISTENCE_METHOD="${ARGUMENT#*=}"
 228                                 export PERSISTENCE_METHOD
 229                                 ;;
 230
 231                         persistence-path=*)
 232                                 PERSISTENCE_PATH="${ARGUMENT#persistence-path=}"
 233                                 export PERSISTENCE_PATH
 234                                 ;;
 235                         persistence-read-only)
 236                                 PERSISTENCE_READONLY="Yes"
 237                                 export PERSISTENCE_READONLY
 238                                 ;;
 239
 240                         persistence-storage=*)
 241                                 PERSISTENCE_STORAGE="${ARGUMENT#persistence-storage=}"
 242                                 export PERSISTENCE_STORAGE
 243                                 ;;
 244
 245                         persistence-subtext=*)
 246                                 old_root_overlay_label="${old_root_overlay_label}-${ARGUMENT#persistence-subtext=}"
 247                                 old_home_overlay_label="${old_home_overlay_label}-${ARGUMENT#persistence-subtext=}"
 248                                 custom_overlay_label="${custom_overlay_label}-${ARGUMENT#persistence-subtext=}"
 249                                 root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistence-subtext=}"
 250                                 old_root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistence-subtext=}"
 251                                 home_snapshot_label="${home_snapshot_label}-${ARGUMENT#persistence-subtext=}"
 252                                 ;;
 253
 254                         nopersistence)
 255                                 NOPERSISTENCE="Yes"
 256                                 export NOPERSISTENCE
 257                                 ;;
 258
 259                         noprompt)
 260                                 NOPROMPT="Yes"
 261                                 export NOPROMPT
 262                                 ;;
 263
 264                         noprompt=*)
 265                                 NOPROMPT="${ARGUMENT#noprompt=}"
 266                                 export NOPROMPT
 267                                 ;;
 268
 269                         quickusbmodules)
 270                                 QUICKUSBMODULES="Yes"
 271                                 export QUICKUSBMODULES
 272                                 ;;
 273
 274                         preseed/file=*|file=*)
 275                                 LOCATIONS="${ARGUMENT#*=} ${LOCATIONS}"
 276                                 export LOCATIONS
 277                                 ;;
 278
 279                         nopreseed)
 280                                 NOPRESEED="Yes"
 281                                 export NOPRESEED
 282                                 ;;
 283
 284                         */*=*)
 285                                 question="${ARGUMENT%%=*}"
 286                                 value="${ARGUMENT#*=}"
 287                                 PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
 288                                 export PRESEEDS
 289                                 ;;
 290
 291                         showmounts)
 292                                 SHOWMOUNTS="Yes"
 293                                 export SHOWMOUNTS
 294                                 ;;
 295
 296                         silent)
 297                                 SILENT="Yes"
 298                                 export SILENT
 299                                 ;;
 300
 301                         todisk=*)
 302                                 TODISK="${ARGUMENT#todisk=}"
 303                                 export TODISK
 304                                 ;;
 305
 306                         toram)
 307                                 TORAM="Yes"
 308                                 export TORAM
 309                                 ;;
 310
 311                         toram=*)
 312                                 TORAM="Yes"
 313                                 MODULETORAM="${ARGUMENT#toram=}"
 314                                 export TORAM MODULETORAM
 315                                 ;;
 316
 317                         exposedroot)
 318                                 EXPOSED_ROOT="Yes"
 319                                 export EXPOSED_ROOT
 320                                 ;;
 321
 322                         plainroot)
 323                                 PLAIN_ROOT="Yes"
 324                                 export PLAIN_ROOT
 325                                 ;;
 326
 327                         skipunion)
 328                                 SKIP_UNION_MOUNTS="Yes"
 329                                 export SKIP_UNION_MOUNTS
 330                                 ;;
 331
 332                         root=*)
 333                                 ROOT="${ARGUMENT#root=}"
 334                                 export ROOT
 335                                 ;;
 336
 337                         union=*)
 338                                 UNIONTYPE="${ARGUMENT#union=}"
 339                                 export UNIONTYPE
 340                                 ;;
 341                 esac
 342         done
 343
 344         # sort of compatibility with netboot.h from linux docs
 345         if [ -z "${NETBOOT}" ]
 346         then
 347                 if [ "${ROOT}" = "/dev/nfs" ]
 348                 then
 349                         NETBOOT="nfs"
 350                         export NETBOOT
 351                 elif [ "${ROOT}" = "/dev/cifs" ]
 352                 then
 353                         NETBOOT="cifs"
 354                         export NETBOOT
 355                 fi
 356         fi
 357
 358         if [ -z "${MODULE}" ]
 359         then
 360                 MODULE="filesystem"
 361                 export MODULE
 362         fi
 363
 364         if [ -z "${UNIONTYPE}" ]
 365         then
 366                 UNIONTYPE="aufs"
 367                 export UNIONTYPE
 368         fi
 369
 370         if [ -z "${PERSISTENCE_ENCRYPTION}" ]
 371         then
 372                 PERSISTENCE_ENCRYPTION="none"
 373                 export PERSISTENCE_ENCRYPTION
 374         elif is_in_comma_sep_list luks ${PERSISTENCE_ENCRYPTION}
 375         then
 376                 if ! modprobe dm-crypt
 377                 then
 378                         log_warning_msg "Unable to load module dm-crypt"
 379                         PERSISTENCE_ENCRYPTION=$(echo ${PERSISTENCE_ENCRYPTION} | sed -e 's/\<luks,\|,\?luks$//g')
 380                         export PERSISTENCE_ENCRYPTION
 381                 fi
 382
 383                 if [ ! -x /lib/cryptsetup/askpass ] || [ ! -x /sbin/cryptsetup ]
 384                 then
 385                         log_warning_msg "cryptsetup in unavailable"
 386                         PERSISTENCE_ENCRYPTION=$(echo ${PERSISTENCE_ENCRYPTION} | sed -e 's/\<luks,\|,\?luks$//g')
 387                         export PERSISTENCE_ENCRYPTION
 388                 fi
 389         fi
 390
 391         if [ -z "${PERSISTENCE_METHOD}" ]
 392         then
 393                 PERSISTENCE_METHOD="snapshot,overlay"
 394                 export PERSISTENCE_METHOD
 395         fi
 396
 397         if [ -z "${PERSISTENCE_STORAGE}" ]
 398         then
 399                 PERSISTENCE_STORAGE="filesystem,file"
 400                 export PERSISTENCE_STORAGE
 401         fi
 402 }