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