quadrilateralcowboy/sys/linux/setup/image-base/setup.sh

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2020-06-12 21:06:25 +00:00
#! /bin/sh
#
# Product setup script
#
# Go to the proper setup directory (if not already there)
cd `dirname $0`
# defaults
FATAL_ERROR="Fatal error, no tech support email configured in this setup"
# try to get root prior to running setup?
# 0: no
# 1: prompt, but run anyway if fails
# 2: require, abort if root fails
GET_ROOT=0
XSU_ICON=""
# You may want to set USE_XHOST to 1 if you want an X11 application to
# be launched with root privileges right after installation
USE_XHOST=0
# this is the message for su call, printf
SU_MESSAGE="You need to run this installation as the super user.\nPlease enter the root password."
NULL=/dev/null
# See if we have the XPG4 utilities (Solaris)
if test -d /usr/xpg4/bin; then
PATH=/usr/xpg4/bin:$PATH
fi
# Return the appropriate architecture string
DetectARCH()
{
status=1
case `uname -m` in
amd64 | x86_64)
echo "amd64"
status=0;;
i?86 | i86*)
echo "x86"
status=0;;
90*/*)
echo "hppa"
status=0;;
*)
case `uname -s` in
IRIX*)
echo "mips"
status=0;;
AIX*)
echo "ppc"
status=0;;
*)
arch=`uname -p 2> /dev/null || uname -m`
if test "$arch" = powerpc; then
echo "ppc"
else
echo $arch
fi
status=0;;
esac
esac
return $status
}
# Return the appropriate version string
DetectLIBC()
{
status=1
if [ `uname -s` != Linux ]; then
echo "glibc-2.1"
return $status
fi
if [ -f `echo /lib/libc.so.6* | tail -n 1` ]; then
# I'm not using glibc-specific binaries
# this step even fails on amd64 gentoo, only has GLIBC_2.2 2.3 in it's strings
echo "glibc-2.1"
status=0
# if [ fgrep GLIBC_2.1 /lib/libc.so.6* 2> $NULL >> $NULL ]; then
# echo "glibc-2.1"
# status=0
# else
# echo "glibc-2.0"
# status=0
# fi
elif [ -f /lib/libc.so.5 ]; then
echo "libc5"
status=0
else
echo "unknown"
fi
return $status
}
DetectOS()
{
os=`uname -s`
if test "$os" = "OpenUNIX"; then
echo SCO_SV
else
echo $os
fi
return 0
}
# Detect the environment
arch=`DetectARCH`
libc=`DetectLIBC`
os=`DetectOS`
args=""
# Import preferences from a secondary script
if [ -f setup.data/config.sh ]; then
. setup.data/config.sh
elif [ -f SETUP.DAT/CONFIG.SH\;1 ]; then
# HP-UX and other systems unable to get LFN correctly
. SETUP.DAT/CONFIG.SH\;1
fi
# Add some standard paths for compatibility
PATH=$PATH:/usr/ucb
# call setup with -auth when ran through su/xsu
auth=0
if [ "$1" = "-auth" ]
then
auth=1
shift
fi
# Find the installation program
# try_run [-absolute] [-fatal] INSTALLER_NAME [PARAMETERS_PASSED]
# -absolute option: if what you are trying to execute has an absolute path
# NOTE: maybe try_run_absolute would be easier
# -fatal option: if you want verbose messages in case
# - the script could not be found
# - it's execution would fail
# INSTALLER_NAME: setup.gtk or setup
# PARAMETERS_PASSED: additional arguments passed to the setup script
try_run()
{
absolute=0
if [ "$1" = "-absolute" ]; then
absolute=1
shift
fi
fatal=0
# older bash < 2.* don't like == operator, using =
if [ "$1" = "-fatal" ]; then
# got fatal
fatal=1
shift
fi
setup=$1
shift
# First find the binary we want to run
failed=0
if [ "$absolute" -eq 0 ]
then
setup_bin="setup.data/bin/$os/$arch/$libc/$setup"
# trying $setup_bin
if [ ! -f "$setup_bin" ]; then
setup_bin="setup.data/bin/$os/$arch/$setup"
# libc dependant version failed, trying again
if [ ! -f "$setup_bin" ]; then
failed=1
fi
fi
if [ "$failed" -eq 1 ]; then
if [ "$fatal" -eq 1 ]; then
cat <<__EOF__
This installation doesn't support $libc on $os / $arch
(tried to run $setup)
$FATAL_ERROR
__EOF__
fi
return $failed
fi
# Try to run the binary ($setup_bin)
# The executable is here but we can't execute it from CD
# NOTE TTimo: this is dangerous, we also use $setup to store the name of the try_run
setup="$HOME/.setup$$"
rm -f "$setup"
cp "$setup_bin" "$setup"
chmod 700 "$setup"
trap "rm -f $setup" 1 2 3 15
fi
# echo Running "$setup" "$@"
if [ "$fatal" -eq 0 ]; then
"$setup" "$@"
failed="$?"
else
"$setup" "$@" 2>> $NULL
failed="$?"
fi
if [ "$absolute" -eq 0 ]
then
# don't attempt removal when we are passed an absolute path
# no, I don't want to imagine a faulty try_run as root on /bin/su
rm -f "$setup"
fi
return "$failed"
}
if [ "$GET_ROOT" -eq 3 ]
then
GOT_ROOT=`id -u`
if [ "$GOT_ROOT" != "0" ]
then
printf "$SU_MESSAGE\n"
echo "Press Enter to continue or Ctrl-C to abort"
read
fi
GET_ROOT=0
fi
# if we have not been through the auth yet, and if we need to get root, then prompt
if [ "$auth" -eq 0 ] && [ "$GET_ROOT" -ne 0 ]
then
GOT_ROOT=`id -u`
if [ "$GOT_ROOT" != "0" ]
then
if [ "$USE_XHOST" -eq 1 ]; then
xhost +127.0.0.1 2> $NULL > $NULL
fi
if [ "$GET_ROOT" -eq 1 ]
then
try_run xsu -e -a -u root -c "sh `pwd`/setup.sh -auth" $XSU_ICON -m "$XSU_MESSAGE"
else
try_run xsu -e -a -u root -c "sh `pwd`/setup.sh -auth" $XSU_ICON
fi
status="$?"
# echo "got $status"
# if try_run successfully executed xsu, it will return xsu's exit code
# xsu returns 2 if ran and cancelled (i.e. the user 'doesn't want' to auth)
# it will return 0 if the command was executed correctly
# summing up, if we get 1, something failed
if [ "$status" -eq 0 ]
then
# the auth command was properly executed
exit 0
elif [ "$status" -eq 1 ]
then
# xsu wasn't found, or failed to run
# if xsu actually ran and the auth was cancelled, $status is > 1
# try with su
# su will return 1 if auth failed
# we need to distinguish between su auth failed and su working, and still get setup.sh return code
printf "$SU_MESSAGE\n"
try_run -absolute /bin/su root -c "export DISPLAY=$DISPLAY;sh `pwd`/setup.sh -auth"
status="$?"
if [ "$status" -eq 1 ] && [ "$GET_ROOT" -eq 1 ]
then
echo "Running setup as user"
else
exit $status
fi
elif [ "$status" -eq 3 ]
then
if [ "$GET_ROOT" -eq 1 ]
then
echo "Running setup as user"
else
# the auth failed or was canceled
# we don't want to even start the setup if not root
echo "Please run this installation as the super user"
exit 1
fi
fi
# continue running as is
fi
fi
# run the setup program (setup.gtk first, then setup)
# except when trying setup.gtk first then console setup, always exit with 0
# if the setup was cancelled, it is not our problem
try_run setup.gtk $args $*
status="$?"
if [ "$status" -ne 0 ] && [ "$status" -ne 3 ]; then # setup.gtk couldn't connect to X11 server - ignore
try_run setup $args $*
status="$?"
if [ "$auth" -eq 1 ] && [ "$status" -ne 0 ]
then
# distinguish between failed su and failed su'ed setup.sh
exit 2
fi
exit $status
fi