source: trunk/packs/maint/config_afs.sh @ 19387

#!/bin/sh -
#
# $Id: config_afs.sh,v 1.21 2003-06-19 20:06:42 zacheiss Exp $
#
# This script configures the workstation's notion of AFS.
# 1. It updates the cell location information from /usr/vice/etc/CellServDB
# 2. It updates the cell setuid information from /usr/vice/etc/SuidCells
# 3. It updates the cell alias information from /usr/vice/etc/CellAlias
PATH=/bin:/bin/athena:/usr/bin; export PATH

VICEDIR=/usr/vice/etc
CELLDB=${VICEDIR}/CellServDB
SUIDDB=${VICEDIR}/SuidCells
ALIAS=${VICEDIR}/CellAlias
HOSTTYPE=`/bin/athena/machtype`

echo "Updating cell location information"
rm -f ${VICEDIR}/Ctmp
cp /afs/athena.mit.edu/service/CellServDB ${VICEDIR}/Ctmp &&
        [ -s ${VICEDIR}/Ctmp ] &&
        mv -f ${VICEDIR}/Ctmp ${CELLDB}.public &&
        cat ${CELLDB}.public ${CELLDB}.local >${VICEDIR}/Ctmp 2>/dev/null
[ -s ${VICEDIR}/Ctmp ] && {
        cmp -s ${VICEDIR}/Ctmp ${CELLDB} || {
                rm -f ${CELLDB}.last &&
                ln ${CELLDB} ${CELLDB}.last &&
                mv -f ${VICEDIR}/Ctmp ${CELLDB} &&
                chmod 644 ${CELLDB} &&
                sync &&
                awk '
                        /^>/ {printf("\nfs newcell %s", \
                                substr($1,2,length($1)-1))};
                        /^[0-9]/ {printf(" %s",$1)};
                        END {printf("\n")}' ${CELLDB} | sh
        }
}

echo "Updating setuid cell information"
rm -f ${VICEDIR}/Ctmp
cp /afs/athena.mit.edu/service/SuidCells ${VICEDIR}/Ctmp &&
        [ -s ${VICEDIR}/Ctmp ] &&
        mv -f ${VICEDIR}/Ctmp ${SUIDDB}.public &&
        cat ${SUIDDB}.public ${SUIDDB}.local >${VICEDIR}/Ctmp 2>/dev/null
[ -s ${VICEDIR}/Ctmp ] &&
        mv -f ${VICEDIR}/Ctmp ${SUIDDB} &&
        chmod 644 ${SUIDDB}

echo "Only allowing setuid/setgid programs from the following cells:"

for cellname in `/etc/athena/listsuidcells`; do
        fs setcell "$cellname" -nosuid
done
cat ${SUIDDB} | awk '
        /^-$/   { numcells = 0; exit; }
        /^-/    { suid[substr($1,2,length($1)-1)] = 0; }
        /^[^-]/ { suid[$1] = 1;
                  cells[numcells++] = $1; }
        END     { for (i = 0; i < numcells; i++) {
                        if (suid[cells[i]]) {
                                printf("fs setcell %s -suid\n", cells[i]);
                                printf("echo %s\n", cells[i]); } } }' | sh


echo "Updating cell alias information"
rm -f ${VICEDIR}/Ctmp
cp /afs/athena.mit.edu/service/CellAlias ${VICEDIR}/Ctmp &&
        [ -s ${VICEDIR}/Ctmp ] &&
        mv -f ${VICEDIR}/Ctmp ${ALIAS}.public &&
        cat ${ALIAS}.public ${ALIAS}.local >${VICEDIR}/Ctmp 2>/dev/null
[ -s ${VICEDIR}/Ctmp ] && {
        cmp -s ${VICEDIR}/Ctmp ${ALIAS} || {
                rm -f ${ALIAS}.last &&
                mv -f ${VICEDIR}/Ctmp ${ALIAS} &&
                chmod 644 ${ALIAS} &&
                sync &&
                awk '
                        /^#/ {next} \
                        NF == 2 {print "fs newalias",$2,$1}' ${ALIAS} | sh
        }
}

rm -f ${VICEDIR}/Ctmp
exit 0