mirror of
https://codeberg.org/kiss-community/repo
synced 2024-12-21 23:00:06 -07:00
Owen Rafferty
parent
de64ad1bd9
commit
26ee7bc9a5
@ -1,2 +1,3 @@
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74cd9e7f0c8150bf12962ec641064457cc20288a1e27a88dfebdc65835fdb56a5c
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df73d8464c61c33a11748c4baccca1292d1f1b24abe80400a2678810eda54c0d3b
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797a8ff65f7f1c276da2c88c5bc546e995fe8c484ab7d223b9d649198ceec37af5
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310
core/kiss/files/no-perl.patch
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310
core/kiss/files/no-perl.patch
Normal file
@ -0,0 +1,310 @@
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diff --git a/lib/Makefile b/lib/Makefile
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index 30337431d10e..ca4853a86f86 100644
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--- a/lib/Makefile
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+++ b/lib/Makefile
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@@ -336,7 +336,7 @@ $(obj)/oid_registry_data.c: $(srctree)/include/linux/oid_registry.h \
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$(call cmd,build_OID_registry)
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quiet_cmd_build_OID_registry = GEN $@
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- cmd_build_OID_registry = perl $(src)/build_OID_registry $< $@
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+ cmd_build_OID_registry = $(CONFIG_SHELL) $(src)/build_OID_registry <$< >$@
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clean-files += oid_registry_data.c
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diff --git a/lib/build_OID_registry b/lib/build_OID_registry
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index 8267e8d71338..80aab4b069e9 100755
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--- a/lib/build_OID_registry
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+++ b/lib/build_OID_registry
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@@ -1,4 +1,4 @@
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-#!/usr/bin/perl -w
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+#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# Build a static ASN.1 Object Identified (OID) registry
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@@ -7,202 +7,93 @@
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# Written by David Howells (dhowells@redhat.com)
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#
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-use strict;
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-use Cwd qw(abs_path);
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-
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-my @names = ();
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-my @oids = ();
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-
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-if ($#ARGV != 1) {
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- print STDERR "Format: ", $0, " <in-h-file> <out-c-file>\n";
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- exit(2);
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-}
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-
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-my $abs_srctree = abs_path($ENV{'srctree'});
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-
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-#
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-# Open the file to read from
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-#
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-open IN_FILE, "<$ARGV[0]" || die;
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-while (<IN_FILE>) {
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- chomp;
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- if (m!\s+OID_([a-zA-z][a-zA-Z0-9_]+),\s+/[*]\s+([012][.0-9]*)\s+[*]/!) {
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- push @names, $1;
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- push @oids, $2;
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- }
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-}
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-close IN_FILE || die;
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-
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#
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-# Open the files to write into
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+# Read OID lines and determine the lengths of the encoded data arrays.
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#
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-open C_FILE, ">$ARGV[1]" or die;
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-print C_FILE "/*\n";
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-my $scriptname = $0;
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-$scriptname =~ s#^\Q$abs_srctree/\E##;
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-print C_FILE " * Automatically generated by ", $scriptname, ". Do not edit\n";
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-print C_FILE " */\n";
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-
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-#
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-# Split the data up into separate lists and also determine the lengths of the
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-# encoded data arrays.
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-#
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-my @indices = ();
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-my @lengths = ();
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-my $total_length = 0;
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-
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-for (my $i = 0; $i <= $#names; $i++) {
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- my $name = $names[$i];
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- my $oid = $oids[$i];
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-
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- my @components = split(/[.]/, $oid);
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-
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- # Determine the encoded length of this OID
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- my $size = $#components;
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- for (my $loop = 2; $loop <= $#components; $loop++) {
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- my $c = $components[$loop];
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-
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- # We will base128 encode the number
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- my $tmp = ($c == 0) ? 0 : int(log($c)/log(2));
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- $tmp = int($tmp / 7);
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- $size += $tmp;
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- }
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- push @lengths, $size;
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- push @indices, $total_length;
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- $total_length += $size;
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-}
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+set -f -- # use "$@" array for data
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+total_length=0 IFS='.'
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+while IFS=' ' read -r line; do
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+ if [ "${line#OID_[a-z]}" != "$line" ]; then
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+ name="${line#*_}" name="${name%,*}" oid="${line#*/* }" oid="${oid% */}"
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+ # shellcheck disable=SC2086
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+ size="$(set -- $oid; printf '%u' "$(($# - 1))")"
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+ for c in $oid; do
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+ # We will base128 encode the number
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+ : "$((size += c ? $(awk "BEGIN{print int(log($c)/log(2)/7)}") : 0))"
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+ done
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+ set -- "$@" "$name:$oid:$total_length"
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+ : "$((total_length += size))"
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+ fi
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+done
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#
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# Emit the look-up-by-OID index table
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#
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-print C_FILE "\n";
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-if ($total_length <= 255) {
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- print C_FILE "static const unsigned char oid_index[OID__NR + 1] = {\n";
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-} else {
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- print C_FILE "static const unsigned short oid_index[OID__NR + 1] = {\n";
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-}
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-for (my $i = 0; $i <= $#names; $i++) {
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- print C_FILE "\t[OID_", $names[$i], "] = ", $indices[$i], ",\n"
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-}
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-print C_FILE "\t[OID__NR] = ", $total_length, "\n";
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-print C_FILE "};\n";
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-
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-#
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-# Encode the OIDs
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-#
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-my @encoded_oids = ();
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-
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-for (my $i = 0; $i <= $#names; $i++) {
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- my @octets = ();
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-
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- my @components = split(/[.]/, $oids[$i]);
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-
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- push @octets, $components[0] * 40 + $components[1];
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-
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- for (my $loop = 2; $loop <= $#components; $loop++) {
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- my $c = $components[$loop];
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-
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- # Base128 encode the number
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- my $tmp = ($c == 0) ? 0 : int(log($c)/log(2));
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- $tmp = int($tmp / 7);
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-
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- for (; $tmp > 0; $tmp--) {
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- push @octets, (($c >> $tmp * 7) & 0x7f) | 0x80;
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- }
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- push @octets, $c & 0x7f;
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- }
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-
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- push @encoded_oids, \@octets;
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-}
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-
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-#
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-# Create a hash value for each OID
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-#
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-my @hash_values = ();
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-for (my $i = 0; $i <= $#names; $i++) {
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- my @octets = @{$encoded_oids[$i]};
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-
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- my $hash = $#octets;
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- foreach (@octets) {
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- $hash += $_ * 33;
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- }
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-
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- $hash = ($hash >> 24) ^ ($hash >> 16) ^ ($hash >> 8) ^ ($hash);
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-
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- push @hash_values, $hash & 0xff;
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-}
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-
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-#
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-# Emit the OID data
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-#
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-print C_FILE "\n";
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-print C_FILE "static const unsigned char oid_data[", $total_length, "] = {\n";
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-for (my $i = 0; $i <= $#names; $i++) {
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- my @octets = @{$encoded_oids[$i]};
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- print C_FILE "\t";
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- print C_FILE $_, ", " foreach (@octets);
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- print C_FILE "\t// ", $names[$i];
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- print C_FILE "\n";
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-}
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-print C_FILE "};\n";
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-
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-#
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-# Build the search index table (ordered by length then hash then content)
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-#
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-my @index_table = ( 0 .. $#names );
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-
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-@index_table = sort {
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- my @octets_a = @{$encoded_oids[$a]};
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- my @octets_b = @{$encoded_oids[$b]};
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-
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- return $hash_values[$a] <=> $hash_values[$b]
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- if ($hash_values[$a] != $hash_values[$b]);
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- return $#octets_a <=> $#octets_b
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- if ($#octets_a != $#octets_b);
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- for (my $i = $#octets_a; $i >= 0; $i--) {
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- return $octets_a[$i] <=> $octets_b[$i]
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- if ($octets_a[$i] != $octets_b[$i]);
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- }
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- return 0;
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-
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-} @index_table;
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-
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-#
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-# Emit the search index and hash value table
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-#
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-print C_FILE "\n";
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-print C_FILE "static const struct {\n";
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-print C_FILE "\tunsigned char hash;\n";
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-if ($#names <= 255) {
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- print C_FILE "\tenum OID oid : 8;\n";
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-} else {
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- print C_FILE "\tenum OID oid : 16;\n";
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-}
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-print C_FILE "} oid_search_table[OID__NR] = {\n";
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-for (my $i = 0; $i <= $#names; $i++) {
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- my @octets = @{$encoded_oids[$index_table[$i]]};
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- printf(C_FILE "\t[%3u] = { %3u, OID_%-35s }, // ",
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- $i,
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- $hash_values[$index_table[$i]],
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- $names[$index_table[$i]]);
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- printf C_FILE "%02x", $_ foreach (@octets);
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- print C_FILE "\n";
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-}
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-print C_FILE "};\n";
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-
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-#
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-# Emit the OID debugging name table
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-#
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-#print C_FILE "\n";
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-#print C_FILE "const char *const oid_name_table[OID__NR + 1] = {\n";
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-#
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-#for (my $i = 0; $i <= $#names; $i++) {
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-# print C_FILE "\t\"", $names[$i], "\",\n"
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-#}
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-#print C_FILE "\t\"Unknown-OID\"\n";
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-#print C_FILE "};\n";
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-
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-#
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-# Polish off
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-#
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-close C_FILE or die;
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+printf '/*\n * Automatically generated by %s. Do not edit\n */\n\n' "$0"
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+if [ "$total_length" -le 255 ]; then
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+ printf 'static const unsigned char oid_index[OID__NR + 1] = {\n'
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+else
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+ printf 'static const unsigned short oid_index[OID__NR + 1] = {\n'
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+fi
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+for i do
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+ printf '\t[OID_%s] = %u,\n' "${i%%:*}" "${i##*:}"
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+done
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+printf '\t[OID__NR] = %u\n};\n\n' "$total_length"
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+
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+#
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+# Encode the OIDs and emit the OID data
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+#
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+printf 'static const unsigned char oid_data[%u] = {\n' "$total_length"
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+for i do
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+ IFS='.' j=0 i="${i%:*}"
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+ for c in ${i##*:}; do
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+ case "$((j += 1))" in
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+ 1) o="$((c * 40))";;
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+ 2) : "$((o += c))";;
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+ *)
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+ # Base128 encode the number
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+ tmp="$((c ? $(awk "BEGIN{print int(log($c)/log(2)/7)+1}") : 1))"
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+ while [ "$((tmp -= 1))" -gt 0 ]; do
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+ o="$o.$((c >> tmp * 7 & 127 | 128))"
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+ done
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+ o="$o.$((c & 127))"
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+ esac
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+ done
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+
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+ set -- "$@" "${i%:*}:$o"
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+ shift
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+
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+ printf '\t'
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+ printf '%s, ' $o
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+ printf '\t// %s\n' "${i%:*}"
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+done
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+printf '};\n\n'
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+
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+printf 'static const struct {\n\tunsigned char hash;\n'
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+printf '\tenum OID oid : %u;\n} oid_search_table[OID__NR] = {' \
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+ "$(($# <= 255 ? 8 : 16))"
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+
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+#
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+# Create a hash value for each OID and build and emit the search index and hash
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+# value table (ordered by length then hash then content)
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+#
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+i=-1
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+for j do
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+ IFS='.'
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+ # shellcheck disable=SC2086
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+ count="$(set -- ${j##*:}; printf '%u' "$(($# - 1))")"
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+ hash="$count"
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+ set -- # use as array for reversing octet set
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+ for k in ${j##*:}; do
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+ : "$((hash += k * 33))"
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+ set -- "$k" "$@"
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+ done
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+ hash="$((hash >> 24 ^ hash >> 16 ^ hash >> 8 ^ hash & 255))"
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+ IFS=':'
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+ printf '%u:%s:%s:%u:%s\n' "$hash" "${j##*:}" "${j%%:*}" "$count" "$*"
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+done | sort -nt: -k1,1 -k4,4 -k5 | while IFS=':' read -r num octets name _; do
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+ printf '\n\t[%3u] = { %3u, OID_%-35s }, // ' "$((i += 1))" "$num" "$name"
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+ # shellcheck disable=SC2086
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+ printf '%02x' $octets
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+done
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+printf '\n};\n'
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@ -1,2 +1,3 @@
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https://codeberg.org/kiss-community/kiss/archive/6.1.2.tar.gz
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https://github.com/kisslinux/website/archive/f0525d4e00c5e07138ac2ceb53936d0b221608e7.tar.gz docs
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files/no-perl.patch docs/site/wiki/kernel
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