57 lines
1.4 KiB
Plaintext
57 lines
1.4 KiB
Plaintext
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#!/usr/bin/gawk -f
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# Copyright (c) 2003-2004, 2006 Seth W. Klein <sk@sethwklein.net>
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# Licensed under the Open Software License version 3.0
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# See the file COPYING in the distribution tarball or
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# http://www.opensource.org/licenses/osl-3.0.txt
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BEGIN {
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if (strip == "yes") {
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strip = 1
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} else {
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strip = 0
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print "# See also: services(5)" \
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", http://www.sethwklein.net/projects/iana-etc/\n#"
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}
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while (getline <"port-aliases") {
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sub(/#.*/, "")
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if (/^[ \t]*$/) { continue }
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alias_list[$1] = substr($0, index($0, $2))
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}
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}
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function aliases(n) {
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return ((n in alias_list) ? " " alias_list[n] : "")
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}
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{ sub(/\r/, "") }
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match($0, /(^[[:alnum:]][^ \t]+)([ \t]+)([0-9]+(-[0-9]+)?)(\/[^ \t]+)?(.*)/, f) {
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name = f[1]
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whitespace = f[2]
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port = f[3]
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protocols[0] = f[5]
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comment = f[6]
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if (length(comment) > 0) {
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sub(/^[ \t]*/, "&# ", comment) }
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if (strip) {
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whitespace = "\t"
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comment = ""
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}
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start = end = port + 0
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if (match(port, /^([0-9]+)-([0-9]+)$/, n)) {
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start = n[1]
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end = n[2]
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}
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if (length(protocols[0]) == 0) {
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protocols[0] = "/tcp"
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protocols[1] = "/udp"
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}
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for (i = start; i <= end; i++) {
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for (p in protocols) {
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print name whitespace i protocols[p] aliases(name) comment
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}
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}
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next
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}
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# add comment marker, prettily
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!/^#/ && (sub(/^ /, "#") || sub(/^/, "# ")) {}
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!strip { print }
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