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![Paddy](/assets/img/avatar_default.png)
Switch to using Go modules. This migrates our vendor.json to use Go 1.11's modules system, and replaces the vendor folder with the output of go mod vendor. The vendored code should remain basically the same; I believe some tree shaking of packages and support scripts/licenses/READMEs/etc. happened. This also fixes Travis and our Makefile to no longer use govendor.
265 lines
5.2 KiB
Perl
265 lines
5.2 KiB
Perl
#!/usr/bin/env perl
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# Copyright 2011 The Go Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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#
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# Parse the header files for OpenBSD and generate a Go usable sysctl MIB.
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#
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# Build a MIB with each entry being an array containing the level, type and
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# a hash that will contain additional entries if the current entry is a node.
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# We then walk this MIB and create a flattened sysctl name to OID hash.
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#
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use strict;
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if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
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print STDERR "GOARCH or GOOS not defined in environment\n";
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exit 1;
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}
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my $debug = 0;
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my %ctls = ();
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my @headers = qw (
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sys/sysctl.h
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sys/socket.h
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sys/tty.h
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sys/malloc.h
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sys/mount.h
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sys/namei.h
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sys/sem.h
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sys/shm.h
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sys/vmmeter.h
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uvm/uvm_param.h
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uvm/uvm_swap_encrypt.h
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ddb/db_var.h
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net/if.h
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net/if_pfsync.h
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net/pipex.h
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netinet/in.h
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netinet/icmp_var.h
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netinet/igmp_var.h
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netinet/ip_ah.h
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netinet/ip_carp.h
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netinet/ip_divert.h
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netinet/ip_esp.h
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netinet/ip_ether.h
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netinet/ip_gre.h
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netinet/ip_ipcomp.h
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netinet/ip_ipip.h
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netinet/pim_var.h
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netinet/tcp_var.h
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netinet/udp_var.h
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netinet6/in6.h
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netinet6/ip6_divert.h
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netinet6/pim6_var.h
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netinet/icmp6.h
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netmpls/mpls.h
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);
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my @ctls = qw (
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kern
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vm
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fs
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net
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#debug # Special handling required
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hw
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#machdep # Arch specific
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user
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ddb
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#vfs # Special handling required
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fs.posix
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kern.forkstat
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kern.intrcnt
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kern.malloc
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kern.nchstats
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kern.seminfo
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kern.shminfo
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kern.timecounter
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kern.tty
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kern.watchdog
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net.bpf
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net.ifq
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net.inet
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net.inet.ah
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net.inet.carp
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net.inet.divert
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net.inet.esp
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net.inet.etherip
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net.inet.gre
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net.inet.icmp
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net.inet.igmp
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net.inet.ip
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net.inet.ip.ifq
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net.inet.ipcomp
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net.inet.ipip
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net.inet.mobileip
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net.inet.pfsync
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net.inet.pim
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net.inet.tcp
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net.inet.udp
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net.inet6
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net.inet6.divert
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net.inet6.ip6
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net.inet6.icmp6
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net.inet6.pim6
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net.inet6.tcp6
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net.inet6.udp6
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net.mpls
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net.mpls.ifq
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net.key
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net.pflow
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net.pfsync
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net.pipex
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net.rt
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vm.swapencrypt
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#vfsgenctl # Special handling required
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);
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# Node name "fixups"
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my %ctl_map = (
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"ipproto" => "net.inet",
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"net.inet.ipproto" => "net.inet",
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"net.inet6.ipv6proto" => "net.inet6",
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"net.inet6.ipv6" => "net.inet6.ip6",
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"net.inet.icmpv6" => "net.inet6.icmp6",
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"net.inet6.divert6" => "net.inet6.divert",
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"net.inet6.tcp6" => "net.inet.tcp",
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"net.inet6.udp6" => "net.inet.udp",
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"mpls" => "net.mpls",
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"swpenc" => "vm.swapencrypt"
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);
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# Node mappings
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my %node_map = (
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"net.inet.ip.ifq" => "net.ifq",
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"net.inet.pfsync" => "net.pfsync",
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"net.mpls.ifq" => "net.ifq"
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);
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my $ctlname;
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my %mib = ();
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my %sysctl = ();
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my $node;
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sub debug() {
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print STDERR "$_[0]\n" if $debug;
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}
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# Walk the MIB and build a sysctl name to OID mapping.
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sub build_sysctl() {
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my ($node, $name, $oid) = @_;
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my %node = %{$node};
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my @oid = @{$oid};
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foreach my $key (sort keys %node) {
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my @node = @{$node{$key}};
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my $nodename = $name.($name ne '' ? '.' : '').$key;
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my @nodeoid = (@oid, $node[0]);
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if ($node[1] eq 'CTLTYPE_NODE') {
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if (exists $node_map{$nodename}) {
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$node = \%mib;
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$ctlname = $node_map{$nodename};
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foreach my $part (split /\./, $ctlname) {
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$node = \%{@{$$node{$part}}[2]};
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}
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} else {
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$node = $node[2];
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}
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&build_sysctl($node, $nodename, \@nodeoid);
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} elsif ($node[1] ne '') {
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$sysctl{$nodename} = \@nodeoid;
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}
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}
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}
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foreach my $ctl (@ctls) {
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$ctls{$ctl} = $ctl;
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}
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# Build MIB
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foreach my $header (@headers) {
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&debug("Processing $header...");
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open HEADER, "/usr/include/$header" ||
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print STDERR "Failed to open $header\n";
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while (<HEADER>) {
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if ($_ =~ /^#define\s+(CTL_NAMES)\s+{/ ||
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$_ =~ /^#define\s+(CTL_(.*)_NAMES)\s+{/ ||
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$_ =~ /^#define\s+((.*)CTL_NAMES)\s+{/) {
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if ($1 eq 'CTL_NAMES') {
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# Top level.
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$node = \%mib;
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} else {
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# Node.
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my $nodename = lc($2);
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if ($header =~ /^netinet\//) {
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$ctlname = "net.inet.$nodename";
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} elsif ($header =~ /^netinet6\//) {
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$ctlname = "net.inet6.$nodename";
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} elsif ($header =~ /^net\//) {
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$ctlname = "net.$nodename";
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} else {
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$ctlname = "$nodename";
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$ctlname =~ s/^(fs|net|kern)_/$1\./;
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}
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if (exists $ctl_map{$ctlname}) {
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$ctlname = $ctl_map{$ctlname};
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}
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if (not exists $ctls{$ctlname}) {
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&debug("Ignoring $ctlname...");
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next;
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}
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# Walk down from the top of the MIB.
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$node = \%mib;
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foreach my $part (split /\./, $ctlname) {
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if (not exists $$node{$part}) {
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&debug("Missing node $part");
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$$node{$part} = [ 0, '', {} ];
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}
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$node = \%{@{$$node{$part}}[2]};
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}
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}
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# Populate current node with entries.
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my $i = -1;
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while (defined($_) && $_ !~ /^}/) {
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$_ = <HEADER>;
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$i++ if $_ =~ /{.*}/;
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next if $_ !~ /{\s+"(\w+)",\s+(CTLTYPE_[A-Z]+)\s+}/;
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$$node{$1} = [ $i, $2, {} ];
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}
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}
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}
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close HEADER;
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}
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&build_sysctl(\%mib, "", []);
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print <<EOF;
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// mksysctl_openbsd.pl
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// Code generated by the command above; DO NOT EDIT.
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// +build $ENV{'GOARCH'},$ENV{'GOOS'}
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package unix;
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type mibentry struct {
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ctlname string
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ctloid []_C_int
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}
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var sysctlMib = []mibentry {
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EOF
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foreach my $name (sort keys %sysctl) {
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my @oid = @{$sysctl{$name}};
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print "\t{ \"$name\", []_C_int{ ", join(', ', @oid), " } }, \n";
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}
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print <<EOF;
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}
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EOF
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