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