scripts/boot/arguments.sh

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