usr.sbin/bootp/bootpd/ConvOldTab.sh

   1 #!/bin/sh
   2 #
   3 #       $NetBSD$
   4 #
   5 #   convert_bootptab    Jeroen.Scheerder@let.ruu.nl 02/25/94
   6 #       This script can be used to convert bootptab files in old format
   7 #       to new (termcap-like) bootptab files
   8 #
   9 # The old format - real entries are commented out by '###'
  10 #
  11 # Old-style bootp files consist of two sections.
  12 # The first section has two entries:
  13 # First, a line that specifies the home directory
  14 # (where boot file paths are relative to)
  15
  16 ###/tftpboot
  17
  18 # The next non-empty non-comment line specifies the default bootfile
  19
  20 ###no-file
  21
  22 # End of first section - indicated by '%%' at the start of the line
  23
  24 ###%%
  25
  26 # The remainder of this file contains one line per client
  27 # interface with the information shown by the table headings
  28 # below. The host name is also tried as a suffix for the
  29 # bootfile when searching the home directory (that is,
  30 # bootfile.host)
  31 #
  32 # Note that htype is always 1, indicating the hardware type Ethernet.
  33 # Conversion therefore always yields ':ha=ether:'.
  34 #
  35 # host  htype   haddr   iaddr   bootfile
  36 #
  37
  38 ###somehost     1       00:0b:ad:01:de:ad       128.128.128.128 dummy
  39
  40 # That's all for the description of the old format.
  41 # For the new-and-improved format, see bootptab(5).
  42
  43 set -u$DX
  44
  45 case $#
  46 in      2 )     OLDTAB=$1 ; NEWTAB=$2 ;;
  47         * )     echo "Usage: `basename $0` <Input> <Output>"
  48                 exit 1
  49 esac
  50
  51 if [ ! -r $OLDTAB ]
  52 then
  53         echo "`basename $0`: $OLDTAB does not exist or is unreadable."
  54         exit 1
  55 fi
  56
  57 if touch $NEWTAB 2> /dev/null
  58 then
  59         :
  60 else
  61         echo "`basename $0`: cannot write to $NEWTAB."
  62         exit 1
  63 fi
  64
  65
  66 cat << END_OF_HEADER >> $NEWTAB
  67 # /etc/bootptab: database for bootp server (/etc/bootpd)
  68 # This file was generated automagically
  69
  70 # Blank lines and lines beginning with '#' are ignored.
  71 #
  72 # Legend:       (see bootptab.5)
  73 #       first field -- hostname (not indented)
  74 #       bf -- bootfile
  75 #       bs -- bootfile size in 512-octet blocks
  76 #       cs -- cookie servers
  77 #       df -- dump file name
  78 #       dn -- domain name
  79 #       ds -- domain name servers
  80 #       ef -- extension file
  81 #       gw -- gateways
  82 #       ha -- hardware address
  83 #       hd -- home directory for bootfiles
  84 #       hn -- host name set for client
  85 #       ht -- hardware type
  86 #       im -- impress servers
  87 #       ip -- host IP address
  88 #       lg -- log servers
  89 #       lp -- LPR servers
  90 #       ns -- IEN-116 name servers
  91 #       ra -- reply address
  92 #       rl -- resource location protocol servers
  93 #       rp -- root path
  94 #       sa -- boot server address
  95 #       sm -- subnet mask
  96 #       sw -- swap server
  97 #       tc -- template host (points to similar host entry)
  98 #       td -- TFTP directory
  99 #       to -- time offset (seconds)
 100 #       ts -- time servers
 101 #       vm -- vendor magic number
 102 #       Tn -- generic option tag n
 103 #
 104 # Be careful about including backslashes where they're needed.  Weird (bad)
 105 # things can happen when a backslash is omitted where one is intended.
 106 # Also, note that generic option data must be either a string or a
 107 # sequence of bytes where each byte is a two-digit hex value.
 108
 109 # First, we define a global entry which specifies the stuff every host uses.
 110 # (Host name lookups are relative to the domain: your.domain.name)
 111
 112 END_OF_HEADER
 113
 114 # Fix up HW addresses in aa:bb:cc:dd:ee:ff and aa-bb-cc-dd-ee-ff style first
 115 # Then awk our stuff together
 116 sed -e  's/[:-]//g' < $OLDTAB | \
 117 nawk 'BEGIN     { PART = 0 ; FIELD=0 ; BOOTPATH="unset" ; BOOTFILE="unset" }
 118         /^%%/   {
 119                                 PART = 1
 120                                 printf ".default:\\\n\t:ht=ether:\\\n\t:hn:\\\n\t:dn=your.domain.name:\\\n\t:ds=your,dns,servers:\\\n\t:sm=255.255.0.0:\\\n\t:hd=%s:\\\n\t:rp=%s:\\\n\t:td=%s:\\\n\t:bf=%s:\\\n\t:to=auto:\n\n", BOOTPATH, BOOTPATH, BOOTPATH, BOOTFILE
 121                                 next
 122                         }
 123         /^$/    { next }
 124         /^#/    { next }
 125                 {
 126                         if ( PART == 0 && FIELD < 2 )
 127                         {
 128                                 if ( FIELD == 0 ) BOOTPATH=$1
 129                                 if ( FIELD == 1 ) BOOTFILE=$1
 130                                 FIELD++
 131                         }
 132                 }
 133                 {
 134                         if ( PART == 1 )
 135                         {
 136                                 HOST=$1
 137                                 HA=$3
 138                                 IP=$4
 139                                 BF=$5
 140                                 printf "%s:\\\n\t:tc=.default:\\\n\t:ha=0x%s:\\\n\t:ip=%s:\\\n\t:bf=%s:\n", HOST, HA, IP, BF
 141                         }
 142                 }' >> $NEWTAB
 143
 144 exit 0