:
#
#       @(#) init.csa6400 1.0 04/25/94
#
#       Copyright (C) CMD Technology, Inc. 1993-1994 
#
#
#
PATH=/bin:/usr/bin:/etc
tmp=/tmp/csa6400$$
perm="/etc/perms/csa6400"               # permlist of this product
PERM=/etc/perms/inst                    # OS (link kit) permlist
set="CMD CSA-6400 Device Driver Package"
_THIRDPARTY=                            # only true if 3rd party s/w exists
_RELINK=                                # gets set to true by SAMI if nec.
CONFDIR=/etc/conf/cf.d

: ${OK=0} ${FAIL=1} ${TRUE=0} ${FALSE=1}

# Function Definition
# Prompt for yes or no answer - returns non-zero for no
getyn() {
        while   echo "\n$* (y/n) \c">&2
        do      read yn rest
                case $yn in
                [yY])   return 0                                ;;
                [nN])   return 1                                ;;
                *)      echo "Please answer y or n" >&2         ;;
                esac
        done
}

# Remove temp files and exit with the status passed as argument
# Usage: cleanup status
#
cleanup() {
        trap '' 1 2 3 15
        [ "$tmp" ] && rm -f $tmp*
        exit $1
}

# Install third party software, if necessary, and execute mkdev type program
thirdparty() {
        thirdanswer=
        # test if _THIRDPARTY is set
        [ "$_THIRDPARTY" ] && {
                while   echo "
Do you have a third party driver or product to install (y/n)?  \c"
                read thirdanswer
                do      case $thirdanswer in
                        y|Y)    echo "
When the next menu is displayed on the screen, choose
item number 4 to add a supported product.\n"
                                /etc/custom
                                break                                   ;;
                        n|N)    break                                   ;;
                        *)      echo "\nPlease enter y or n.\n" >&2     ;;
                        esac
                done
        }

        # test if _MKDEV is set
        [ "$_MKDEV" ] && sh -c "_RELINK=: $_MKDEV"

        return $OK
}

# Print an error messages
error() {
	echo "\nError $*" >&2
}

# Set PERM variable used in linkchk
permschk() {
	cd /
	if [ -f /etc/perms/extmd ]; then
		PERM=/etc/perms/extmd
	elif [ -f /etc/perms/inst ]; then
		PERM=/etc/perms/inst
	else
		error "Cannot locate LINK packages permlist. 
Needed to verify linkkit installation"
		cleanup $FAIL
	fi
}

# Test to see if link kit is installed                                                     
chklinkkit() {
    until       fixperm -i -d LINK $PERM
    do  case $? in
        4)      echo "The Link Kit is not installed." >&2               ;;
        5)      echo "The Link Kit is only partially installed." >&2    ;;
        *)      echo "Error testing for Link Kit. Exiting."; cleanup $FAIL ;;
        esac
        # Not fully installed. Do so here
        while   echo "Do you wish to install it now? (y/n) \c"
        do      read ANSWER
                case $ANSWER in
                Y|y)    custom -o -i LINK
                        break
                        ;;
                N|n)    echo "Drivers cannot be installed without the Link Kit."
                        cleanup $FAIL
                        ;;
                *)      echo "Please answer 'y' or 'n'. \c"
                        ;;
                esac
        done
    done
}


# main() - starting point for action in script

cd /

# Clean up and exit after signals
trap "cleanup $FAIL" 1 2 3 15

permschk

# Check for link kit, since drivers cannot be installed without it
chklinkkit

# if there is a third party driver or software to be installed then the
# _THIRDPATY variable is set to true. In that case we want to install that
# software using custom

[ "$_THIRDPARTY" ] && thirdparty

# Run install.driver for each driver selected (sets up driver-specific info)
# A driver install script should be present in /tmp for each package the user
# selected from custom
for i in /tmp/install.*
do
        $i || {
					echo "\n$i script failed. Exiting ..\n"
					cleanup $FAIL
			}				
done
rm -f /tmp/install.*
cleanup $OK