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#!/bin/sh
# convert_bootptab Jeroen.Scheerder@let.ruu.nl 02/25/94
# This script can be used to convert bootptab files in old format
# to new (termcap-like) bootptab files
#
# The old format - real entries are commented out by '###'
#
# Old-style bootp files consist of two sections.
# The first section has two entries:
# First, a line that specifies the home directory
# (where boot file paths are relative to)
###/tftpboot
# The next non-empty non-comment line specifies the default bootfile
###no-file
# End of first section - indicated by '%%' at the start of the line
###%%
# The remainder of this file contains one line per client
# interface with the information shown by the table headings
# below. The host name is also tried as a suffix for the
# bootfile when searching the home directory (that is,
# bootfile.host)
#
# Note that htype is always 1, indicating the hardware type Ethernet.
# Conversion therefore always yields ':ha=ether:'.
#
# host htype haddr iaddr bootfile
#
###somehost 1 00:0b:ad:01:de:ad 128.128.128.128 dummy
# That's all for the description of the old format.
# For the new-and-improved format, see bootptab(5).
set -u$DX
case $#
in 2 ) OLDTAB=$1 ; NEWTAB=$2 ;;
* ) echo "Usage: `basename $0` <Input> <Output>"
exit 1
esac
if [ ! -r $OLDTAB ]
then
echo "`basename $0`: $OLDTAB does not exist or is unreadable."
exit 1
fi
if touch $NEWTAB 2> /dev/null
then
:
else
echo "`basename $0`: cannot write to $NEWTAB."
exit 1
fi
cat << END_OF_HEADER >> $NEWTAB
# /etc/bootptab: database for bootp server (/etc/bootpd)
# This file was generated automagically
# Blank lines and lines beginning with '#' are ignored.
#
# Legend: (see bootptab.5)
# first field -- hostname (not indented)
# bf -- bootfile
# bs -- bootfile size in 512-octet blocks
# cs -- cookie servers
# df -- dump file name
# dn -- domain name
# ds -- domain name servers
# ef -- extension file
# gw -- gateways
# ha -- hardware address
# hd -- home directory for bootfiles
# hn -- host name set for client
# ht -- hardware type
# im -- impress servers
# ip -- host IP address
# lg -- log servers
# lp -- LPR servers
# ns -- IEN-116 name servers
# ra -- reply address
# rl -- resource location protocol servers
# rp -- root path
# sa -- boot server address
# sm -- subnet mask
# sw -- swap server
# tc -- template host (points to similar host entry)
# td -- TFTP directory
# to -- time offset (seconds)
# ts -- time servers
# vm -- vendor magic number
# Tn -- generic option tag n
#
# Be careful about including backslashes where they're needed. Weird (bad)
# things can happen when a backslash is omitted where one is intended.
# Also, note that generic option data must be either a string or a
# sequence of bytes where each byte is a two-digit hex value.
# First, we define a global entry which specifies the stuff every host uses.
# (Host name lookups are relative to the domain: your.domain.name)
END_OF_HEADER
# Fix up HW addresses in aa:bb:cc:dd:ee:ff and aa-bb-cc-dd-ee-ff style first
# Then awk our stuff together
sed -e 's/[:-]//g' < $OLDTAB | \
nawk 'BEGIN { PART = 0 ; FIELD=0 ; BOOTPATH="unset" ; BOOTFILE="unset" }
/^%%/ {
PART = 1
printf ".default:\\\n\t:ht=ether:\\\n\t:hn:\\\n\t:dn=your.domain.name:\\\n\t:ds=your,dns,servers:\\\n\t:sm=255.255.0.0:\\\n\t:hd=%s:\\\n\t:rp=%s:\\\n\t:td=%s:\\\n\t:bf=%s:\\\n\t:to=auto:\n\n", BOOTPATH, BOOTPATH, BOOTPATH, BOOTFILE
next
}
/^$/ { next }
/^#/ { next }
{
if ( PART == 0 && FIELD < 2 )
{
if ( FIELD == 0 ) BOOTPATH=$1
if ( FIELD == 1 ) BOOTFILE=$1
FIELD++
}
}
{
if ( PART == 1 )
{
HOST=$1
HA=$3
IP=$4
BF=$5
printf "%s:\\\n\t:tc=.default:\\\n\t:ha=0x%s:\\\n\t:ip=%s:\\\n\t:bf=%s:\n", HOST, HA, IP, BF
}
}' >> $NEWTAB
exit 0
|
