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954 lines
21 KiB
954 lines
21 KiB
#!/bin/sh
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. /etc/initrd.defaults
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. /etc/initrd.scripts
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splash() {
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return 0
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}
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[ -e /etc/initrd.splash ] && . /etc/initrd.splash
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# Clean input/output
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exec >${CONSOLE} <${CONSOLE} 2>&1
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if [ "$$" != '1' ]
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then
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echo '/linuxrc has to be run as the init process as the one'
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echo 'with a PID of 1. Try adding init="/linuxrc" to the'
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echo 'kernel command line or running "exec /linuxrc".'
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exit 1
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fi
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mount -t proc -o noexec,nosuid,nodev proc /proc >/dev/null 2>&1
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mount -o remount,rw / >/dev/null 2>&1
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mount -t tmpfs -o rw,nosuid,nodev,relatime,mode=755 none /run 2>&1
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# Set up symlinks
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/bin/busybox --install -s
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if [ "$0" = '/init' ]
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then
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[ -e /linuxrc ] && rm /linuxrc
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fi
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CMDLINE=$(cat /proc/cmdline)
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# Scan CMDLINE for any specified real_root= or cdroot arguments
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FAKE_ROOT=''
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FAKE_INIT=''
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FAKE_ROOTFLAGS=''
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INIT_OPTS=''
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ROOTFSTYPE='auto'
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CRYPT_SILENT=0
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QUIET=''
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mkdir -p /etc/cmdline /etc/modprobe.d
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for x in ${CMDLINE}
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do
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case "${x}" in
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real_root=*)
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REAL_ROOT=${x#*=}
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;;
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root=*)
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FAKE_ROOT=${x#*=}
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;;
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subdir=*)
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SUBDIR=${x#*=}
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;;
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real_init=*)
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REAL_INIT=${x#*=}
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;;
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init=*)
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FAKE_INIT=${x#*=}
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;;
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init_opts=*)
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INIT_OPTS=${x#*=}
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;;
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# Livecd options
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cdroot)
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CDROOT=1
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;;
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cdroot=*)
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CDROOT=1
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CDROOT_DEV=${x#*=}
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;;
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cdroot_type=*)
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CDROOT_TYPE=${x#*=}
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;;
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cdroot_marker=*)
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CDROOT_MARKER=${x#*=}
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;;
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# Start livecd loop, looptype options
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loop=*)
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LOOP=${x#*=}
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;;
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looptype=*)
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LOOPTYPE=${x#*=}
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;;
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isoboot=*)
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ISOBOOT=${x#*=}
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;;
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domdev)
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USE_MDEV=1
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;;
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# Start Volume manager options
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dolvm)
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USE_LVM_NORMAL=1
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;;
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dolvm2)
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bad_msg 'Using dolvm2 is deprecated, use dolvm, instead.'
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USE_LVM_NORMAL=1
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;;
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domdadm)
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USE_MDADM=1
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;;
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dodmraid)
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USE_DMRAID_NORMAL=1
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;;
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dodmraid=*)
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DMRAID_OPTS=${x#*=}
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USE_DMRAID_NORMAL=1
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;;
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domultipath)
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good_msg "Booting with multipath activated."
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USE_MULTIPATH_NORMAL=1
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;;
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dozfs*)
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USE_ZFS=1
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if [ "${x#*=}" = 'force' ]
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then
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ZPOOL_FORCE=-f
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fi
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;;
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quiet)
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QUIET=1
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;;
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# Debug Options
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debug)
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DEBUG='yes'
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;;
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# Scan delay options
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scandelay=*)
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SDELAY=${x#*=}
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;;
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scandelay)
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SDELAY=3
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;;
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# Module no-loads
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doload=*)
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MDOLIST=${x#*=}
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MDOLIST=$(echo ${MDOLIST} | sed -e 's/,/ /g')
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;;
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nodetect)
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NODETECT=1
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;;
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noload=*)
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MLIST=${x#*=}
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MLIST="$(echo ${MLIST} | sed -e 's/,/ /g')"
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export MLIST
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;;
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# Redirect output to a specific tty
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CONSOLE=*|console=*)
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CONSOLE=${x#*=}
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CONSOLE=$(basename ${CONSOLE})
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# exec >${CONSOLE} <${CONSOLE} 2>&1
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;;
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# /dev/md
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lvmraid=*)
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RAID_DEVICES="${x#*=}"
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RAID_DEVICES="$(echo ${RAID_DEVICES} | sed -e 's/,/ /g')"
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USE_LVM_NORMAL=1
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;;
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part=*)
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MDPART=${x#*=}
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;;
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part|partitionable)
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MDPART=1
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;;
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# NFS
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ip=*)
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IP=${x#*=}
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;;
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nfsroot=*)
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NFSROOT=${x#*=}
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;;
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# iSCSI
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iscsi_initiatorname=*)
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ISCSI_INITIATORNAME=${x#*=}
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;;
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iscsi_target=*)
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ISCSI_TARGET=${x#*=}
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;;
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iscsi_tgpt=*)
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ISCSI_TGPT=${x#*=}
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;;
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iscsi_address=*)
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ISCSI_ADDRESS=${x#*=}
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;;
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iscsi_port=*)
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ISCSI_PORT=${x#*=}
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;;
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iscsi_username=*)
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ISCSI_USERNAME=${x#*=}
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;;
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iscsi_password=*)
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ISCSI_PASSWORD=${x#*=}
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;;
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iscsi_username_in=*)
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ISCSI_USERNAME_IN=${x#*=}
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;;
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iscsi_password_in=*)
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ISCSI_PASSWORD_IN=${x#*=}
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;;
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iscsi_debug=*)
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ISCSI_DEBUG=${x#*=}
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;;
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iscsi_noibft)
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ISCSI_NOIBFT=1
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;;
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# Crypto
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crypt_root=*)
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CRYPT_ROOT=${x#*=}
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;;
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crypt_swap=*)
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CRYPT_SWAP=${x#*=}
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;;
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root_key=*)
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CRYPT_ROOT_KEY=${x#*=}
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;;
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root_keydev=*)
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CRYPT_ROOT_KEYDEV=${x#*=}
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;;
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root_trim=*)
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CRYPT_ROOT_TRIM=${x#*=}
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;;
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swap_key=*)
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CRYPT_SWAP_KEY=${x#*=}
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;;
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swap_keydev=*)
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CRYPT_SWAP_KEYDEV=${x#*=}
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;;
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real_resume=*|resume=*)
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REAL_RESUME=${x#*=}
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;;
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noresume)
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NORESUME=1
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;;
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crypt_silent)
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CRYPT_SILENT=1
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;;
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real_rootflags=*)
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REAL_ROOTFLAGS=${x#*=}
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;;
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rootflags=*)
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FAKE_ROOTFLAGS=${x#*=}
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;;
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rootfstype=*)
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ROOTFSTYPE=${x#*=}
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;;
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keymap=*)
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keymap=${x#*=}
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;;
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aufs)
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USE_AUFS_NORMAL=1
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;;
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*=*)
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case "${x%%=*}" in
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*.*)
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echo "${x#*.}" >> "/etc/module_options/${x%%.*}.conf"
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;;
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esac
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;;
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esac
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done
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quiet_kmsg
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if [ "${CDROOT}" = '0' ]
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then
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if [ -z "${REAL_ROOT}" -a "${FAKE_ROOT}" != "/dev/ram0" ]
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then
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REAL_ROOT="${FAKE_ROOT}"
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fi
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if [ -z "${REAL_INIT}" -a "${FAKE_INIT}" != "/linuxrc" ]
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then
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REAL_INIT="${FAKE_INIT}"
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fi
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if [ -z "${REAL_ROOTFLAGS}" ]
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then
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REAL_ROOTFLAGS="${FAKE_ROOTFLAGS}"
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fi
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fi
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# Set variables based on the value of REAL_ROOT
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case "${REAL_ROOT}" in
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ZFS=*)
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ZFS_POOL=${REAL_ROOT#*=}
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ZFS_POOL=${ZFS_POOL%%/*}
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USE_ZFS=1
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;;
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ZFS)
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USE_ZFS=1
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;;
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esac
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# Verify that it is safe to use ZFS
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if [ "USE_ZFS" = "1" ]
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then
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if [ -x /sbin/zfs -a -x /sbin/zpool ]
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then
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MY_HWOPTS="${MY_HWOPTS} zfs"
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else
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USE_ZFS=0
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[ -x /sbin/zfs ] || bad_msg '/sbin/zfs not found!'
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[ -x /sbin/zpool ] || bad_msg '/sbin/zpool not found!'
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bad_msg 'Aborting use of zfs!'
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fi
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fi
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splash 'init'
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cmdline_hwopts
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# Mount devfs
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mount_devfs
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# Mount sysfs
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mount_sysfs
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# Setup hotplugging for firmware loading
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if is_udev
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then
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good_msg 'Activating udev'
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echo "${UDEVD}" > /proc/sys/kernel/hotplug
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echo "" > /sys/kernel/uevent_helper
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else
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good_msg 'Activating mdev'
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# Serialize hotplug events
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touch /dev/mdev.seq
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echo "${MDEVD}" > /proc/sys/kernel/hotplug
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fi
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# Load modules listed in MY_HWOPTS if /lib/modules exists for the running kernel
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if [ -z "${DO_modules}" ]
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then
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good_msg 'Skipping module load; disabled via commandline'
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elif [ -d "/lib/modules/${KV}" ]
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then
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good_msg 'Loading modules'
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# Load appropriate kernel modules
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if [ "${NODETECT}" != '1' ]
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then
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for modules in ${MY_HWOPTS}
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do
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modules_scan ${modules}
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done
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fi
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# Always eval doload=...
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modules_load ${MDOLIST}
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else
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good_msg 'Skipping module load; no modules in the ramdisk!'
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fi
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if is_udev
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then
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# Initialize udev
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"${UDEVD}" --daemon --resolve-names=never && \
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udevadm trigger --action=add && \
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udevadm settle || bad_msg "udevd failed to run"
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elif is_mdev
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then
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# Ensure that device nodes are properly configured
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"${MDEVD}" -s || bad_msg "mdev -s failed"
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else
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bad_msg "Cannot find either udev or mdev"
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fi
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# Apply scan delay if specified
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sdelay
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cd /
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# Start iSCSI
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if [ -e /bin/iscsistart ]
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then
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startiscsi
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fi
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# Setup btrfs, see bug 303529
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setup_btrfsctl
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# Setup md device nodes if they dont exist
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is_mdev && setup_md_device
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# Scan volumes
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startVolumes
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setup_keymap
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# Initialize LUKS root device except for livecd's
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if [ "${CDROOT}" != 1 ]
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then
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startLUKS
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if [ "${NORESUME}" != '1' ] && [ -n "${REAL_RESUME}" ]
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then
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case "${REAL_RESUME}" in
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LABEL=*|UUID=*)
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RESUME_DEV=""
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retval=1
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if [ ${retval} -ne 0 ]; then
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RESUME_DEV=$(findfs "${REAL_RESUME}" 2>/dev/null)
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retval=$?
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fi
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if [ ${retval} -ne 0 ]; then
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RESUME_DEV=$(busybox findfs "${REAL_RESUME}" 2>/dev/null)
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retval=$?
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fi
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if [ ${retval} -ne 0 ]; then
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RESUME_DEV=$(blkid -o device -l -t "${REAL_RESUME}")
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retval=$?
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fi
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if [ ${retval} -eq 0 ] && [ -n "${RESUME_DEV}" ]; then
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good_msg "Detected real_resume=${RESUME_DEV}"
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REAL_RESUME="${RESUME_DEV}"
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fi
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;;
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esac
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do_resume
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fi
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fi
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mkdir -p "${NEW_ROOT}"
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CHROOT="${NEW_ROOT}"
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# Run debug shell if requested
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rundebugshell "before setting up the root filesystem"
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if [ "${CDROOT}" = '1' ]
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then
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good_msg "Making tmpfs for ${NEW_ROOT}"
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mount -n -t tmpfs tmpfs "${NEW_ROOT}"
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for i in dev mnt proc run sys tmp mnt/livecd mnt/key tmp/.initrd mnt/gentoo
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do
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mkdir -p "${NEW_ROOT}/${i}"
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chmod 755 "${NEW_ROOT}/${i}"
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done
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[ ! -d "${CDROOT_PATH}" ] && mkdir -p "${CDROOT_PATH}"
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[ ! -e "${NEW_ROOT}/dev/null" ] && mknod "${NEW_ROOT}"/dev/null c 1 3
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[ ! -e "${NEW_ROOT}/dev/console" ] && mknod "${NEW_ROOT}"/dev/console c 5 1
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# For SGI LiveCDs ...
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if [ "${LOOPTYPE}" = "sgimips" ]
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then
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[ ! -e "${NEW_ROOT}/dev/sr0" ] && mknod "${NEW_ROOT}/dev/sr0" b 11 0
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[ ! -e "${NEW_ROOT}/dev/loop0" ] && mknod "${NEW_ROOT}/dev/loop0" b 7 0
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fi
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# Required for splash to work. Not an issue with the initrd as this
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# device isn't created there and is not needed.
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if [ -e /dev/tty1 ]
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then
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[ ! -e "${NEW_ROOT}/dev/tty1" ] && mknod "${NEW_ROOT}/dev/tty1" c 4 1
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fi
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if [ "${REAL_ROOT}" != "/dev/nfs" ] && [ "${LOOPTYPE}" != "sgimips" ]
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then
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bootstrapCD
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fi
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if [ "${REAL_ROOT}" = '' ]
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then
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warn_msg "No bootable medium found. Waiting for new devices..."
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COUNTER=0
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while [ ${COUNTER} -lt 3 ]; do
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sleep 3
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let COUNTER=${COUNTER}+1
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done
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sleep 1
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bootstrapCD
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fi
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if [ "${REAL_ROOT}" = '' ]
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then
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# Undo stuff
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umount "${NEW_ROOT}/dev" 2>/dev/null
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umount "${NEW_ROOT}/sys" 2>/dev/null
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umount /sys 2>/dev/null
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umount "${NEW_ROOT}"
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rm -rf "${NEW_ROOT}/*"
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bad_msg 'Could not find CD to boot, something else needed!'
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CDROOT=0
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fi
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fi
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# Determine root device
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good_msg 'Determining root device...'
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while true
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do
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while [ "${got_good_root}" != '1' ]
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do
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case "${REAL_ROOT}" in
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LABEL=*|UUID=*)
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ROOT_DEV=""
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retval=1
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if [ ${retval} -ne 0 ]; then
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ROOT_DEV=$(findfs "${REAL_ROOT}" 2>/dev/null)
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retval=$?
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fi
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if [ ${retval} -ne 0 ]; then
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ROOT_DEV=$(busybox findfs "${REAL_ROOT}" 2>/dev/null)
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retval=$?
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fi
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if [ ${retval} -ne 0 ]; then
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ROOT_DEV=$(blkid -o device -l -t "${REAL_ROOT}")
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retval=$?
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fi
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if [ ${retval} -eq 0 ] && [ -n "${ROOT_DEV}" ]; then
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good_msg "Detected real_root=${ROOT_DEV}"
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REAL_ROOT="${ROOT_DEV}"
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else
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prompt_user "REAL_ROOT" "root block device"
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got_good_root=0
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continue
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fi
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;;
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ZFS*)
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if [ "${USE_ZFS}" = '0' ]; then
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prompt_user "REAL_ROOT" "root block device"
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continue
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fi
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ROOT_DEV="${REAL_ROOT#*=}"
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if [ "${ROOT_DEV}" != 'ZFS' ]
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then
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if [ "$(zfs get type -o value -H ${ROOT_DEV})" = 'filesystem' ]
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then
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got_good_root=1;
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REAL_ROOT=${ROOT_DEV}
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ROOTFSTYPE=zfs
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else
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bad_msg "${ROOT_DEV} is not a filesystem"
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prompt_user "REAL_ROOT" "root block device"
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got_good_root=0
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continue
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fi
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else
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BOOTFS=$(/sbin/zpool list -H -o bootfs)
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if [ "${BOOTFS}" != '-' ]
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then
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for i in ${BOOTFS}
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do
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zfs get type ${i} > /dev/null
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retval=$?
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if [ ${retval} -eq 0 ]; then
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got_good_root=1
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REAL_ROOT=${i}
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ROOTFSTYPE=zfs
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break
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fi
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done;
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else
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got_good_root=0
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fi
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fi
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if [ ${got_good_root} -ne 1 ]; then
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prompt_user "REAL_ROOT" "root block device"
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got_good_root=0
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fi
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continue
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;;
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esac
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if [ "${REAL_ROOT}" = '' ]
|
|
then
|
|
# No REAL_ROOT determined/specified. Prompt user for root block device.
|
|
prompt_user "REAL_ROOT" "root block device"
|
|
got_good_root=0
|
|
|
|
# Check for a block device or /dev/nfs
|
|
elif [ -b "${REAL_ROOT}" ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
|
|
then
|
|
got_good_root=1
|
|
|
|
else
|
|
bad_msg "Block device ${REAL_ROOT} is not a valid root device..."
|
|
REAL_ROOT=""
|
|
got_good_root=0
|
|
fi
|
|
done
|
|
|
|
|
|
if [ "${CDROOT}" = 1 -a "${got_good_root}" = '1' -a "${REAL_ROOT}" != "/dev/nfs" ]
|
|
then
|
|
# CD already mounted; no further checks necessary
|
|
break
|
|
elif [ "${LOOPTYPE}" = "sgimips" ]
|
|
then
|
|
# sgimips mounts the livecd root partition directly
|
|
# there is no isofs filesystem to worry about
|
|
break
|
|
else
|
|
good_msg "Mounting $REAL_ROOT as root..."
|
|
|
|
if [ "${ROOTFSTYPE}" = 'zfs' ]
|
|
then
|
|
if [ "zfs get -H -o value mountpoint ${REAL_ROOT}" = 'legacy' ]
|
|
then
|
|
MOUNT_STATE=rw
|
|
else
|
|
MOUNT_STATE=rw,zfsutil
|
|
fi
|
|
else
|
|
MOUNT_STATE=ro
|
|
fi
|
|
|
|
# Try to mount the device as ${NEW_ROOT}
|
|
if [ "${REAL_ROOT}" = '/dev/nfs' ]; then
|
|
findnfsmount
|
|
else
|
|
# mount ro so fsck doesn't barf later
|
|
if [ "${REAL_ROOTFLAGS}" = '' ]; then
|
|
good_msg "Using mount -t ${ROOTFSTYPE} -o ${MOUNT_STATE}"
|
|
mount -t ${ROOTFSTYPE} -o ${MOUNT_STATE} ${REAL_ROOT} ${NEW_ROOT}
|
|
else
|
|
good_msg "Using mount -t ${ROOTFSTYPE} -o ${MOUNT_STATE},${REAL_ROOTFLAGS}"
|
|
mount -t ${ROOTFSTYPE} -o ${MOUNT_STATE},${REAL_ROOTFLAGS} ${REAL_ROOT} ${NEW_ROOT}
|
|
fi
|
|
fi
|
|
|
|
# If mount is successful break out of the loop
|
|
# else not a good root and start over.
|
|
if [ "$?" = '0' ]
|
|
then
|
|
if [ -d ${NEW_ROOT}/dev -a -x "${NEW_ROOT}${REAL_INIT:-/sbin/init}" ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
|
|
then
|
|
break
|
|
else
|
|
bad_msg "The filesystem mounted at ${REAL_ROOT} does not appear to be a valid /, try again"
|
|
got_good_root=0
|
|
REAL_ROOT=''
|
|
fi
|
|
else
|
|
bad_msg "Could not mount specified ROOT, try again"
|
|
got_good_root=0
|
|
REAL_ROOT=''
|
|
fi
|
|
fi
|
|
done
|
|
# End determine root device
|
|
|
|
#verbose_kmsg
|
|
|
|
# If CD root is set determine the looptype to boot
|
|
if [ "${CDROOT}" = '1' ]
|
|
then
|
|
good_msg 'Determining looptype ...'
|
|
cd "${NEW_ROOT}"
|
|
|
|
# Find loop and looptype
|
|
[ -z "${LOOP}" ] && find_loop
|
|
[ -z "${LOOPTYPE}" ] && find_looptype
|
|
|
|
cache_cd_contents
|
|
|
|
# If encrypted, find key and mount, otherwise mount as usual
|
|
if [ -n "${CRYPT_ROOT}" ]
|
|
then
|
|
CRYPT_ROOT_KEY="$(head -n 1 "${CDROOT_PATH}"/${CDROOT_MARKER})"
|
|
CRYPT_ROOT='/dev/loop0'
|
|
good_msg 'You booted an encrypted livecd' "${CRYPT_SILENT}"
|
|
|
|
losetup /dev/loop0 "${CDROOT_PATH}/${LOOPEXT}${LOOP}"
|
|
test_success 'Preparing loop filesystem'
|
|
|
|
startLUKS
|
|
|
|
case ${LOOPTYPE} in
|
|
normal)
|
|
MOUNTTYPE="ext2"
|
|
;;
|
|
*)
|
|
MOUNTTYPE="${LOOPTYPE}"
|
|
;;
|
|
esac
|
|
mount -t "${MOUNTTYPE}" -o ro /dev/mapper/root "${NEW_ROOT}/mnt/livecd"
|
|
test_success 'Mount filesystem'
|
|
FS_LOCATION='mnt/livecd'
|
|
# Setup the loopback mounts, if unencrypted
|
|
else
|
|
if [ "${LOOPTYPE}" = 'normal' ]
|
|
then
|
|
good_msg 'Mounting loop filesystem'
|
|
mount -t ext2 -o loop,ro "${CDROOT_PATH}/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
|
|
test_success 'Mount filesystem'
|
|
FS_LOCATION='mnt/livecd'
|
|
elif [ "${LOOPTYPE}" = 'squashfs' ]
|
|
then
|
|
if [ "${USE_AUFS_NORMAL}" != '1' ]; then
|
|
good_msg 'Mounting squashfs filesystem'
|
|
_CACHED_SQUASHFS_PATH="${NEW_ROOT}/mnt/${LOOP}"
|
|
_squashfs_path="${CDROOT_PATH}/${LOOPEXT}${LOOP}" # Default to uncached
|
|
# Upgrade to cached version if possible
|
|
[ "${DO_cache}" -a -f "${_CACHED_SQUASHFS_PATH}" ] \
|
|
&& _squashfs_path=${_CACHED_SQUASHFS_PATH}
|
|
mount -t squashfs -o loop,ro "${_squashfs_path}" "${NEW_ROOT}/mnt/livecd" || {
|
|
bad_msg "Squashfs filesystem could not be mounted, dropping into shell."
|
|
if [ -e /proc/filesystems ]; then
|
|
fgrep -q squashfs /proc/filesystems || \
|
|
bad_msg "HINT: Your kernel does not know filesystem \"squashfs\"."
|
|
fi
|
|
do_rundebugshell
|
|
}
|
|
else
|
|
good_msg 'Mounting squashfs & aufs filesystems'
|
|
setup_squashfs_aufs
|
|
test_success 'Mount filesystem'
|
|
fi
|
|
FS_LOCATION='mnt/livecd'
|
|
elif [ "${LOOPTYPE}" = 'gcloop' ]
|
|
then
|
|
good_msg 'Mounting gcloop filesystem'
|
|
echo ' ' | losetup -E 19 -e ucl-0 -p0 "${NEW_ROOT}/dev/loop0" "${CDROOT_PATH}/${LOOPEXT}${LOOP}"
|
|
test_success 'losetup the loop device'
|
|
|
|
mount -t ext2 -o ro "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/livecd"
|
|
test_success 'Mount the losetup loop device'
|
|
FS_LOCATION='mnt/livecd'
|
|
elif [ "${LOOPTYPE}" = 'zisofs' ]
|
|
then
|
|
FS_LOCATION="${CDROOT_PATH/\/}/${LOOPEXT}${LOOP}"
|
|
elif [ "${LOOPTYPE}" = 'noloop' ]
|
|
then
|
|
FS_LOCATION="${CDROOT_PATH/\/}"
|
|
elif [ "${LOOPTYPE}" = 'sgimips' ]
|
|
then
|
|
# getdvhoff finds the starting offset (in bytes) of the squashfs
|
|
# partition on the cdrom and returns this offset for losetup
|
|
#
|
|
# All currently supported SGI Systems use SCSI CD-ROMs, so
|
|
# so we know that the CD-ROM is usually going to be /dev/sr0.
|
|
#
|
|
# We use the value given to losetup to set /dev/loop0 to point
|
|
# to the liveCD root partition, and then mount /dev/loop0 as
|
|
# the LiveCD rootfs
|
|
good_msg 'Locating the SGI LiveCD Root Partition'
|
|
echo ' ' | \
|
|
losetup -o $(getdvhoff "${NEW_ROOT}${REAL_ROOT}" 0) \
|
|
"${NEW_ROOT}${CDROOT_DEV}" \
|
|
"${NEW_ROOT}${REAL_ROOT}"
|
|
test_success 'losetup /dev/sr0 /dev/loop0'
|
|
|
|
good_msg 'Mounting the Root Partition'
|
|
mount -t squashfs -o ro "${NEW_ROOT}${CDROOT_DEV}" "${NEW_ROOT}/mnt/livecd"
|
|
test_success 'mount /dev/loop0 /'
|
|
FS_LOCATION='mnt/livecd'
|
|
fi
|
|
fi
|
|
|
|
|
|
|
|
# Unpacking additional packages from NFS mount
|
|
# This is useful for adding kernel modules to /lib
|
|
# We do this now, so that additional packages can add whereever they want.
|
|
if [ "${REAL_ROOT}" = '/dev/nfs' ]
|
|
then
|
|
if [ -e "${CDROOT_PATH}/add" ]
|
|
then
|
|
for targz in $(ls ${CDROOT_PATH}/add/*.tar.gz)
|
|
do
|
|
tarname=$(basename ${targz})
|
|
good_msg "Adding additional package ${tarname}"
|
|
(cd ${NEW_ROOT} ; /bin/tar -xzf ${targz})
|
|
done
|
|
fi
|
|
fi
|
|
|
|
|
|
if [ "${USE_AUFS_NORMAL}" != '1' ]; then
|
|
|
|
good_msg "Copying read-write image contents to tmpfs"
|
|
# Copy over stuff that should be writable
|
|
(cd "${NEW_ROOT}/${FS_LOCATION}"; cp -a ${ROOT_TREES} "${NEW_ROOT}") || {
|
|
bad_msg "Copying failed, dropping into a shell."
|
|
do_rundebugshell
|
|
}
|
|
|
|
# Now we do the links.
|
|
for x in ${ROOT_LINKS}
|
|
do
|
|
if [ -L "${NEW_ROOT}/${FS_LOCATION}/${x}" ]
|
|
then
|
|
ln -s "$(readlink ${NEW_ROOT}/${FS_LOCATION}/${x})" "${x}" 2>/dev/null
|
|
else
|
|
# List all subdirectories of x
|
|
find "${NEW_ROOT}/${FS_LOCATION}/${x}" -type d 2>/dev/null | while read directory
|
|
do
|
|
# Strip the prefix of the FS_LOCATION
|
|
directory="${directory#${NEW_ROOT}/${FS_LOCATION}/}"
|
|
|
|
# Skip this directory if we already linked a parent directory
|
|
if [ "${current_parent}" != '' ]; then
|
|
var=$(echo "${directory}" | grep "^${current_parent}")
|
|
if [ "${var}" != '' ]; then
|
|
continue
|
|
fi
|
|
fi
|
|
# Test if the directory exists already
|
|
if [ -e "/${NEW_ROOT}/${directory}" ]
|
|
then
|
|
# It does exist, link all the individual files
|
|
for file in $(ls /${NEW_ROOT}/${FS_LOCATION}/${directory})
|
|
do
|
|
if [ ! -d "/${NEW_ROOT}/${FS_LOCATION}/${directory}/${file}" ] && [ ! -e "${NEW_ROOT}/${directory}/${file}" ]; then
|
|
ln -s "/${FS_LOCATION}/${directory}/${file}" "${directory}/${file}" 2> /dev/null
|
|
fi
|
|
done
|
|
else
|
|
# It does not exist, make a link to the livecd
|
|
ln -s "/${FS_LOCATION}/${directory}" "${directory}" 2>/dev/null
|
|
current_parent="${directory}"
|
|
fi
|
|
done
|
|
fi
|
|
done
|
|
|
|
mkdir initramfs proc tmp sys run 2>/dev/null
|
|
chmod 1777 tmp
|
|
|
|
# have handy /mnt/cdrom (CDROOT_PATH) as well
|
|
_new_cdroot="${NEW_ROOT}${CDROOT_PATH}"
|
|
[ ! -d "${_new_cdroot}" ] && mkdir -p "${_new_cdroot}"
|
|
mount --bind "${CDROOT_PATH}" "${_new_cdroot}"
|
|
|
|
fi
|
|
|
|
#UML=$(cat /proc/cpuinfo|grep UML|sed -e 's|model name.*: ||')
|
|
#if [ "${UML}" = 'UML' ]
|
|
#then
|
|
# # UML Fixes
|
|
# good_msg 'Updating for uml system'
|
|
#fi
|
|
|
|
# Let Init scripts know that we booted from CD
|
|
export CDBOOT
|
|
CDBOOT=1
|
|
fi
|
|
|
|
# Mount the additional things as required by udev & systemd
|
|
if [ -f ${NEW_ROOT}/etc/initramfs.mounts ]; then
|
|
fslist=$(get_mounts_list)
|
|
else
|
|
fslist="/usr"
|
|
fi
|
|
|
|
for fs in $fslist; do
|
|
dev=$(get_mount_device $fs)
|
|
[ -z "${dev}" ] && continue
|
|
# Resolve it like util-linux mount does
|
|
[ -L ${dev} ] && dev=`readlink ${dev}`
|
|
# In this case, it's probably part of the filesystem
|
|
# and not a mountpoint
|
|
[ -z "$dev" ] && continue
|
|
fstype=$(get_mount_fstype $fs)
|
|
if get_mount_options $fs | fgrep -q bind ; then
|
|
opts='bind'
|
|
dev=${NEW_ROOT}${dev}
|
|
else
|
|
# ro must be trailing, and the options will always contain at least 'defaults'
|
|
opts="$(get_mount_options $fs | strip_mount_options),ro"
|
|
fi
|
|
mnt=${NEW_ROOT}${fs}
|
|
cmd="mount -t $fstype -o $opts $dev $mnt"
|
|
good_msg "Mounting $dev as ${fs}: $cmd"
|
|
if ! $cmd; then
|
|
bad_msg "Unable to mount $dev for $fs"
|
|
fi
|
|
done
|
|
|
|
# Execute script on the cdrom just before boot to update things if necessary
|
|
cdupdate
|
|
|
|
if [ "${SUBDIR}" != '' -a -e "${CHROOT}/${SUBDIR}" ]
|
|
then
|
|
good_msg "Entering ${SUBDIR} to boot"
|
|
CHROOT="${CHROOT}/${SUBDIR}"
|
|
fi
|
|
|
|
verbose_kmsg
|
|
|
|
good_msg "Booting (initramfs)"
|
|
|
|
cd "${CHROOT}"
|
|
mkdir "${CHROOT}/proc" "${CHROOT}/sys" "${CHROOT}/run" 2>/dev/null
|
|
|
|
is_udev && udevadm settle
|
|
|
|
if is_udev
|
|
then
|
|
udevadm control --exit || bad_msg "Unable to terminate udevd"
|
|
fi
|
|
|
|
# If devtmpfs is mounted, try move it to the new root
|
|
# If that fails, try to unmount all possible mounts of devtmpfs as stuff breaks otherwise
|
|
for fs in /run /dev /sys /proc
|
|
do
|
|
if grep -qs "$fs" /proc/mounts
|
|
then
|
|
if ! mount --move $fs "${CHROOT}"$fs
|
|
then
|
|
umount $fs || \
|
|
bad_msg "Failed to move and unmount the ramdisk $fs!"
|
|
fi
|
|
fi
|
|
done
|
|
|
|
if [ ! -e "${CHROOT}/dev/console" ] || [ ! -e "${CHROOT}/dev/null" ]
|
|
then
|
|
bad_msg "ERROR: your real /dev is missing console and null"
|
|
elif [ -e /etc/initrd.splash -a ! -e "${CHROOT}/dev/tty1" ]
|
|
then
|
|
bad_msg "ERROR: your real /dev is missing tty1, required for splash"
|
|
fi
|
|
|
|
# Run debug shell if requested
|
|
rundebugshell "before entering switch_root"
|
|
|
|
exec /sbin/switch_root -c "/dev/console" "${CHROOT}" "${REAL_INIT:-/sbin/init}" "${INIT_OPTS}"
|
|
|
|
# If we get here, something bad has happened
|
|
splash 'verbose'
|
|
|
|
bad_msg "A fatal error has occured since ${REAL_INIT:-/sbin/init} did not"
|
|
bad_msg "boot correctly. Trying to open a shell..."
|
|
|
|
exec /bin/bash
|
|
exec /bin/sh
|
|
exec /bin/ash
|
|
exec /bin/dash
|
|
exec sh
|