#!/bin/sh
# http://www.phys.ethz.ch/~franklin/Projects/dphys3/end2stage.simple
#   - script to be run at end of second install stage for further automation
# author Neil Franklin, last modification 2006.11.09
# copyright ETH Zuerich Physics Departement,
#   use under either BSD or GPL license


# this script is intended to be run as  root  at end of second install stage
#   / is root of the final system, as we are just short before login prompt


# set up root user shell, some commands and ssh login files


### ------ configuration for this script

# first CONF_*  various site or subnet dependant user config variables
# then  DEBUG_* various debugging settings
# last  SYS_*   various system internal values
# some of these are overridable by hostname input line options


# --- CONF_* various site or subnet dependant user config variables

# set this to get rid of status reports, replaces -q option
#CONF_PRINT_QUIET=yes

# set this to get more status reported, replaces -v option
#CONF_PRINT_VERBOSE=yes


# --- DEBUG_*, various debugging settings

# these can be set to "yes" by -D option, followed by name without DEBUG_

# set this to sleep after displaying each steps header
#DEBUG_SLEEP=yes

# set this to output debug state info after each step
#DEBUG_PRINT_STEP=yes

# set this to output debug state info and wait after each step
#DEBUG_WAIT_STEP=yes


# --- SYS_*, various system internal values

# none of these currently



### ------ actual implementation from here on
# no user settings any more below this point

set -e


# --- get ready to work

# sanitise this place, else some commands may fail
#   must be before any commands are executed, incl config/input processing
PATH=/sbin:/bin:/usr/sbin:/usr/bin
export PATH


# --- tidy up some commands, make systematic, common infrastructure

# stuff that goes wrong, not expected by user, not in data output, use >&2
#   so also with $0 in case this script was called by an other script
# something within the system that user does not expect, give up
CMD_FATAL="echo $0: FATAL:"
# something from users input, user will correct this and continue
CMD_ERROR="echo $0: ERROR:"
# something we can continue with, but may be wrong, and user may not suspect it
CMD_WARNING="echo $0: WARNING:"
# something most likely not wrong, but tell user for the odd case it is wrong
CMD_NOTE="echo $0: NOTE:"

# normal stuff users expect, so to stdout as normal output, no $0, no marking
CMD_INFO="echo"
# stuff users asked for, so add to stdout as normal output, no $0, but mark it
CMD_DEBUG="echo DEBUG:"

# other stuff we may want to use
CMD_SLEEP="sleep 2"
CMD_WAIT="read -p ---DEBUG-wait-after-step--- dummy"


# DEBUG_* or option controllable stuff
CMD_INFO_PRINT="${CMD_INFO}"
CMD_VERBOSE_PRINT=true
CMD_DEBUG_SLEEP=true
CMD_DEBUG_PRINT=true
CMD_DEBUG_WAIT=true

# set debug option controllable stuff here
if [ "${DEBUG_SLEEP}" = yes ] ; then
  CMD_DEBUG_SLEEP="${CMD_SLEEP}"
fi
if [ "${DEBUG_PRINT_STEP}" = yes ] ; then
  CMD_DEBUG_PRINT="${CMD_DEBUG}"
fi
if [ "${DEBUG_WAIT_STEP}" = yes ] ; then
  CMD_DEBUG_WAIT="${CMD_WAIT}"
fi


# set option controllable stuff here, as no command line to parse
if [ "${CONF_PRINT_QUIET}" = yes ] ; then
  CMD_INFO_PRINT=true
fi
if [ "${CONF_PRINT_VERBOSE}" = yes ] ; then
  CMD_VERBOSE_PRINT="${CMD_INFO}"
fi


# --- begin logging

# start with >> so no old file entire lost, may detect unwanted loops
#   and also determines whether the intended "/target" loop took place
${CMD_DEBUG_PRINT} "entered /e2s" >> /root/debug_print

${CMD_INFO_PRINT} "running end2stage script ..."
${CMD_DEBUG_SLEEP}


# --- get rest of packages I want, even for an install test server

#nice yes '' | apt-get install tcsh
#nice yes '' | apt-get install less
#nice yes '' | apt-get install ssh


# --- give user some shell settings

cat << END-CSHRC > /root/.cshrc
# .cshrc - set up C shell
# author Neil Franklin, last modification 2004.01.04
#   reduced version for test hosts 2004.08.05

# turn on filename completion, history
set filec
set history = 100

# prevent loose files
umask 022

if ( \$user == "root") then
  set path = (/sbin /usr/sbin /usr/local/sbin \$path)
endif

# more and less
setenv LESS "-cfiMq"
setenv LESSCHARSET latin1
setenv PAGER /usr/bin/less
setenv EDITOR /usr/bin/vi

# get my own programs
set path = (~/bin \$path)

# prompt how I like it
set prompt='%n@%m %~%# '
if (\$?term == 1) then
  if ( \$term == "linux" || \$term == "vt100" ) then
    # console some configurations fail to work with \033 for some odd reason
    set prompt="%B\$prompt%b"
  endif
  if ( \$term == "xterm" || \$term == "iris-ansi" ) then
    set prompt="%{\033]2;\$prompt\007%}%B\$prompt%b"
  endif
endif
END-CSHRC


# --- add some important scripts

if [ ! -e /root/bin ] ; then
  mkdir /root/bin
fi

# I prefer scripts (cost of one at runtime) over alias (cost of all at login)
cat << END-BIN-LA > /root/bin/la
#!/bin/sh
# ~/bin/la - ls all long
exec ls -alF \$*
END-BIN-LA

chmod 755 /root/bin/la


# --- allow ssh logins without password

if [ ! -e /root/.ssh ] ; then
  mkdir /root/.ssh
  chmod 700 /root/.ssh
fi

cat << END-SSH-AUTH-KEY > /root/.ssh/authorized_keys
1024 35 87284004596883244711294572577878691295870121542215195616794331308261777326879452323193798528948434670829119898580668256893668153836470682618291469217706441884331454172106552397405732549599921952126473434558872640359621704806839163346411310207952522962629894560040108406215173211743913961199629550664569669811 root@chonsp
ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEAnxkN5P5X6vuhyXnTbK8AD6HLAjlL1fuQOG3h+I6RcdoS0vQY1GL0+oFdcivmfSDwKfJCt+uv5rrbFqx797wDyo2O8BbJHCrgh/JWILxPlaAb4TerJQxp0NaDdl9SJVQhOni+EOGmu8m3ALw/l+JNZtKBJocXj3o21Hx7EYjS95M= root@chonsp
ssh-dss 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 root@chonsp
END-SSH-AUTH-KEY

chmod 600 /root/.ssh/authorized_keys


# --- end logging

${CMD_DEBUG_PRINT} "/e2s finished" >> /root/debug_print
${CMD_DEBUG_WAIT}

exit 0