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Diffstat (limited to 'sys/contrib/ngatm/netnatm/msg/parseie.awk')
| -rw-r--r-- | sys/contrib/ngatm/netnatm/msg/parseie.awk | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/sys/contrib/ngatm/netnatm/msg/parseie.awk b/sys/contrib/ngatm/netnatm/msg/parseie.awk new file mode 100644 index 0000000..14bd0f8 --- /dev/null +++ b/sys/contrib/ngatm/netnatm/msg/parseie.awk @@ -0,0 +1,150 @@ +# +# Copyright (c) 2001-2003 +# Fraunhofer Institute for Open Communication Systems (FhG Fokus). +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# Author: Hartmut Brandt <harti@freebsd.org> +# +# $Begemot: libunimsg/netnatm/msg/parseie.awk,v 1.3 2003/09/19 11:58:15 hbb Exp $ +# +# Parse the IE definition file +# +match($0, "Begemot:")!=0 { + gsub("^[^$]*", "") + gsub("[^$]*$", "") + id = $0 + next +} + +/^#/ { + next +} +NF == 0 { + next +} + +BEGIN { + iecnt = 0 + id = " * ???" + begin() +} + +END { + end() +} + +# +# Syntax is: +# element <name> <code> <coding> [<maxlen> [<options>*]] +# +$1=="element" { + if(iecnt == 0) first_element() + if(NF < 4) { + error("Bad number of args: " $0) + } + ie = $2 + file = $2 + number = parse_hex($3) + coding = $4 + if(coding == "itu") { + ncoding = 0 + } else if(coding == "net") { + ncoding = 3 + } else { + error("bad coding " coding) + } + if(NF == 4) { + element_default() + file="" + } else { + len = $5 + parse_options() + element() + } + ies[iecnt] = ie + codings[iecnt] = coding + files[iecnt] = file + iecnt++ + next +} + +{ + error("Bad line: " $0) +} + +function parse_options() { + access = 0 + cond = "" + for(i = 6; i <= NF; i++) { + if($i == "access") { + access = 1 + } else if($i == "-") { + } else if(index($i, "file=") == 1) { + file=substr($i, 6) + } else { + if(cond != "") { + error("Too many conditions: "$0) + } + cond = $i + } + } +} + +function parse_hex(str, n) +{ + n = 0 + if(substr(str,1,2) != "0x") { + error("bad hex number" str) + } + for(i = 3; i <= length(str); i++) { + c = substr(str,i,1) + if(match(c,"[0-9]") != 0) { + n = 16 * n + c + } else if(match(c,"[a-f]")) { + if(c == "a") n = 16 * n + 10 + if(c == "b") n = 16 * n + 11 + if(c == "c") n = 16 * n + 12 + if(c == "d") n = 16 * n + 13 + if(c == "e") n = 16 * n + 14 + if(c == "f") n = 16 * n + 15 + } else if(match(c,"[A-F]")) { + if(c == "A") n = 16 * n + 10 + if(c == "B") n = 16 * n + 11 + if(c == "C") n = 16 * n + 12 + if(c == "D") n = 16 * n + 13 + if(c == "E") n = 16 * n + 14 + if(c == "F") n = 16 * n + 15 + } else { + error("bad hex digit '" c "'") + } + } + return n +} + +# function error(str) +# { +# print "error:" str >"/dev/stderr" +# exit 1 +# } + |
