scripts/boot/arguments.sh

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