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