File: installsig

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#!/bin/sh
#
#     tiger - A UN*X security checking system
#     Copyright (C) 1993 Douglas Lee Schales, David K. Hess, David R. Safford
#
#     Please see the file `COPYING' for the complete copyright notice.
#
# installsig - 10/22/93
#
#-----------------------------------------------------------------------------
#
#  Usage:  ./installsig sigfile [sigfile [sigfile...]]
#
# This script must be run from the top level of the tiger directory.
# sigfiles must use names of the form:
# os:major_release:release:[optional_arch][--optional_identifyinginfo]
#
# Example:
#
#     SunOS:5:5.2:sun4
#
# For SunOS 5.2 running on a sun4
#

findcmd()
{
  CMD=$1

  SRCH=/usr/ucb:/usr/bin:/bin:/etc:/usr/etc:/usr/sbin
  
  SAVEIFS=$IFS
  IFS=:
  set $SRCH
  IFS=$SAVEIFS
  for dir
  do
    [ $TESTEXEC $dir/$CMD ] && {
      echo $dir/$CMD
      return
    }
  done
}

getreldiff()
{
  $AWK 'BEGIN {
    start="'"$1"'";
    dest="'"$2"'";
    m=split(start, src, "/");
    n=split(dest, dst, "/");
    for(i=n;i<m;i++)
      printf("../");
  }' < /dev/null
}

shcat()
{
  while read line
  do
    echo "$line"
  done < "$1"
}

catcp()
{
  $CAT $1 > $2
}

TESTEXEC=-x
( [ $TESTEXEC /bin/sh ] ) 2> $WORKDIR/te.$$
[ -s $WORKDIR/te.$$ ] && TESTEXEC=-f
export TESTEXEC

RM=`findcmd rm`
[ -n "$RM" ] && $RM $WORKDIR/te.$$

CAT="`findcmd cat`"
SED="`findcmd sed`"
MV="`findcmd mv`"
CP="`findcmd cp`"
CHMOD="`findcmd chmod`"
GREP="`findcmd grep`"
MKDIR="`findcmd mkdir`"
LN="`findcmd ln`"
AWK="`findcmd awk`"

[ ! -n "$SED" ] && {
  echo "Can't find 'sed' anywhere... sorry."
  exit 1
}

[ ! -n "$GREP" ] && {
  echo "Can't find 'grep' anywhere... sorry."
  exit 1
}

[ ! -n "$AWK" ] && {
  echo "Can't find 'awk' anywhere... sorry."
  exit 1
}

[ ! -n "$CAT" ] && CAT=shcat

[ ! -n "$CP" ] && CP="catcp"

[ ! -n "$MV" ] && MV="$CP"

[ ! -n "$LN" ] && LN="$CP"

for sigfile
do
  eval `
  $GREP '^#@' $sigfile |
  $SED -e 's/^#@//'`

  echo "Target directory: $DEST"
  echo "Configuration: $CONFIG"

  dir="systems/$DEST"

  if [ -f "systems/$CONFIG/config" ]; then
    dir="systems/$DEST"
    target="`getreldiff $DEST $CONFIG`"
    if [ ! -d "$dir" ]; then
      echo "Creating directory $dir..."
      if [ -n "$MKDIR" ]; then
	if $MKDIR -p $dir; then
	  echo "Configuring directory $dir..."
	  [ -d $dir ] && $LN -s "${target}config" "$dir/config"
	else
	  echo "mkdir -p $dir failed... sorry."
	fi
      else
	echo "Don't have 'mkdir' command... sorry."
      fi
    fi
    if [ -d "$dir" ]; then
      [ -f $dir/signatures ] && $MV "$dir/signatures" "$dir/signatures.orig"
      $CP $sigfile "$dir/signatures"
      [ -n "$CHMOD" ] && $CHMOD 644 "$dir/signatures"
      echo "Installed $sigfile in $dir."
    else
      echo "Can't locate directory $dir for $sigfile... something went wrong."
    fi
  else
    echo "Don't have required config files ($CONFIG/config) for this"
    echo "platform.  You might need a TIGER upgrade."
  fi
done