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$NetBSD: patch-protocols.gawk,v 1.4 2022/11/28 19:26:41 jschauma Exp $
o Add pfsync
o Add carp(4) as an alias to VRRP
o Munge TTP/IPTM into aliases.
o If an alias is identical to the name, upper case it (PR 44311).
o Protocol numbers are authoritatively sourced from IANA
--- protocols.gawk.orig 2006-11-14 13:20:26.000000000 -0500
+++ protocols.gawk 2022-11-28 14:17:27.061991822 -0500
@@ -14,7 +14,7 @@
} else {
strip = 0
print "# See also: protocols(5)" \
- ", http://www.sethwklein.net/projects/iana-etc/\n#"
+ ", https://www.iana.org/assignments/protocol-numbers/\n#"
format = "%-12s %3s %-12s # %s\n"
header_printed = 0
}
@@ -26,7 +26,32 @@
header_printed = 1;
}
sub(/^[ \t]*/, "", f[3])
- printf format, tolower(f[2]), f[1], f[2], f[3]
+ alias=f[2]
+ if (tolower(f[2]) == f[2]) {
+ alias = toupper(f[2])
+ }
+ # IANA assigned '84' to both TTP and IPTM; for
+ # /etc/protocols, we munge these into aliases:
+ if (tolower(f[2]) == "ttp") {
+ alias = "TTP iptm IPTM"
+ }
+ if (tolower(f[2]) == "iptm") {
+ f[2] = "#iptm"
+ }
+
+ # Add carp(4) as an alias for VRRP as used by the BSDs.
+ if (tolower(f[2]) == "vrrp") {
+ alias = "VRRP carp"
+ }
+ printf format, tolower(f[2]), f[1], alias, f[3]
+
next
}
-!strip { print "# " $0 }
+
+!strip {
+ print "# " $0
+ # pfsync is not registered by IANA, but used by the BSDs:
+ if (/nassigned/) {
+ printf format, "pfsync", "240", "PFSYNC", "PF Synchronization"
+ }
+}
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