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change to separate vendor oid maps
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ollyg committed Aug 8, 2022
1 parent 6425e1a commit 78bef03
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Showing 3 changed files with 117 additions and 102 deletions.
1 change: 0 additions & 1 deletion .github/workflows/update_maps.yml
Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,6 @@ jobs:
cpanm --local-lib=~/perl5 local::lib && eval $(perl -I ~/perl5/lib/perl5/ -Mlocal::lib)
export MIBHOME=`pwd`
EXTRAS/scripts/mkoidmap
gzip -9f EXTRAS/reports/all_oids
- name: Commit files
run: |
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Binary file removed EXTRAS/reports/all_oids.gz
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218 changes: 117 additions & 101 deletions EXTRAS/scripts/mkoidmap
Original file line number Diff line number Diff line change
Expand Up @@ -35,124 +35,140 @@ if ($arg and (!exists $vendor_mibs->{$arg} and !exists $mib_files->{$arg})) {
exit(1);
}

my @mibs = (qw(SNMPv2-MIB SNMPv2-TC SNMPv2-SMI),
(reverse sort grep {m/^RFC/} @{ $vendor_mibs->{rfc} }));
my $mibcount = 0;
my %oidcount = ();
my %target_mibs = ();

if (exists $vendor_mibs->{$arg}) {
push @mibs, sort @{$vendor_mibs->{$arg}};
if ($arg and exists $vendor_mibs->{$arg}) {
$target_mibs{$arg} = [sort @{ $vendor_mibs->{$arg} }];
}
elsif (exists $mib_files->{$arg}) {
@mibs = ($arg);
elsif ($arg and exists $mib_files->{$arg}) {
$target_mibs{$arg} = [$arg];
}
else {
push @mibs, map {(@{$vendor_mibs->{$_}})} (qw(rfc net-snmp cisco), sort keys %{$vendor_mibs});
%target_mibs = map {$_ => [sort @{ $vendor_mibs->{$_} }]} keys %{$vendor_mibs};
}

print "\N{EYES} Translating MIBs\n";
my (%oidmap, %descrmap) = ((), ());

MIB: foreach my $m (@mibs) {
my $out = File::Temp->new();
my $err = File::Temp->new();
status("Parsing $m");

defined(my $pid = fork) or die "Couldn't fork: $!";
if (!$pid) { # Child
exec(qq{snmptranslate -m '$m' -On -Td -TB '.1*' 2>'$err' 1>'$out'})
or die "Couldn't exec: $!";
} else { # Parent
my $slept = 0.5;
while (! waitpid($pid, WNOHANG)) {
status("Parsing $m");
sleep 0.05;
$slept -= 0.05;
}
sleep $slept if $slept > 0;
}

if (-s $err) {
blank();
print RED, "\N{HEAVY BALLOT X} ", CYAN, 'Errors from ',
MAGENTA, $m, CYAN, " MIBs\n", RESET;
while (<$err>) { print }
print "\n";
next MIB;
}

my @report = read_lines($out, 'latin-1');
my %details = ();

LINEOUT: foreach my $line (@report) {
if ($line =~ m/^::=/) { # end of details
$oidmap{$details{oid}} ||= join ',',
($details{mib} .'::'. $details{leaf}),
map {$details{$_} || ''} (qw/type mode index status syntax descr/);
%details = ();
next LINEOUT;
}

if ($line =~ m/^\.\d/) { # oid
$details{oid} = $line;
next LINEOUT;
}

if ($line =~ m/^(\S+)\s/) { # leaf name
$details{leaf} = $1;
next LINEOUT;
}
use DDP; p %target_mibs;

if ($line =~ m/^\s+-- FROM\s+([-#\w]+)/) {
$details{mib} = $1;
next LINEOUT;
}
foreach my $target (reverse sort keys %target_mibs) {
my %oidmap = parse_mibs($target, @{ $target_mibs{$target} });
$mibcount += scalar @{ $target_mibs{$target} };
++$oidcount{$_} for keys %oidmap;

if ($line =~ m/^\s+MAX-ACCESS\s+([-\w]+)/) {
$details{mode} = $1;
next LINEOUT;
}
my $report = catfile($ENV{MIBHOME}, 'EXTRAS', 'reports', "${target}_oids");
write_text($report, join '', map {"$_,$oidmap{$_}\n"}
sort {lxoid($a) cmp lxoid($b)}
grep {m/^\.1/} keys %oidmap);
}

if ($line =~ m/^\s+INDEX\s+{([^}]+)}/) {
$details{index} = join ':',
map {s/\s+//g; $_}
split m/,/, $1;
next LINEOUT;
}
blank();
print sprintf "\N{BLACK FLAG} %d mibs translated into %d objects.\n", $mibcount, scalar keys %oidcount;
exit(0);

if ($line =~ m/^\s+STATUS\s+([-\w]+)/) {
$details{status} = $1;
next LINEOUT;
sub parse_mibs {
my ($target, @mibs) = @_;
my %oidmap = ();

blank();
print "\N{EYES} Translating $target MIB(s)\n";

MIB: foreach my $m (@mibs) {
my $out = File::Temp->new();
my $err = File::Temp->new();
status("Parsing $m");

defined(my $pid = fork) or die "Couldn't fork: $!";
if (!$pid) { # Child
exec(qq{snmptranslate -m '$m' -On -Td -TB '.1*' 2>'$err' 1>'$out'})
or die "Couldn't exec: $!";
} else { # Parent
my $slept = 0.5;
while (! waitpid($pid, WNOHANG)) {
status("Parsing $m");
sleep 0.05;
$slept -= 0.05;
}
sleep $slept if $slept > 0;
}

if ($line =~ m/^\s+SYNTAX\s+([-\w]+)(?:\s+(.+))?/) {
$details{type} = $1;
my $syntax = $2;
next LINEOUT unless $syntax and $syntax =~ m/{/;
$details{syntax} = join ':',
map {s/\s+//g; $_}
map {s/[{}]//g; $_}
split m/,/, $syntax;
next LINEOUT;
if (-s $err) {
blank();
print RED, "\N{HEAVY BALLOT X} ", CYAN, 'Errors from ',
MAGENTA, $m, CYAN, " MIBs\n", RESET;
while (<$err>) { print }
print "\n";
next MIB;
}

if ($line =~ m/^(?: DESCR| )/) {
$details{descr} .= join '',
map {s/\s+/ /g; $_}
map {s/"//g; $_}
map {s/^\s+DESCRIPTION\s+//; $_} ($line);
next LINEOUT;
my @report = read_lines($out, 'latin-1');
my %details = ();

LINEOUT: foreach my $line (@report) {
if ($line =~ m/^::=/) { # end of details
$oidmap{$details{oid}} ||= join ',',
($details{mib} .'::'. $details{leaf}),
map {$details{$_} || ''} (qw/type mode index status syntax descr/);
%details = ();
next LINEOUT;
}

if ($line =~ m/^\.\d/) { # oid
$details{oid} = $line;
next LINEOUT;
}

if ($line =~ m/^(\S+)\s/) { # leaf name
$details{leaf} = $1;
next LINEOUT;
}

if ($line =~ m/^\s+-- FROM\s+([-#\w]+)/) {
$details{mib} = $1;
next LINEOUT;
}

if ($line =~ m/^\s+MAX-ACCESS\s+([-\w]+)/) {
$details{mode} = $1;
next LINEOUT;
}

if ($line =~ m/^\s+INDEX\s+{([^}]+)}/) {
$details{index} = join ':',
map {s/\s+//g; $_}
split m/,/, $1;
next LINEOUT;
}

if ($line =~ m/^\s+STATUS\s+([-\w]+)/) {
$details{status} = $1;
next LINEOUT;
}

if ($line =~ m/^\s+SYNTAX\s+([-\w]+)(?:\s+(.+))?/) {
$details{type} = $1;
my $syntax = $2;
next LINEOUT unless $syntax and $syntax =~ m/{/;
$details{syntax} = join ':',
map {s/\s+//g; $_}
map {s/[{}]//g; $_}
split m/,/, $syntax;
next LINEOUT;
}

if ($line =~ m/^(?: DESCR| )/) {
$details{descr} .= join '',
map {s/\s+/ /g; $_}
map {s/"//g; $_}
map {s/^\s+DESCRIPTION\s+//; $_} ($line);
next LINEOUT;
}
}
}
}

delete $oidmap{'.1'};
my $report = catfile($ENV{MIBHOME}, 'EXTRAS', 'reports', ($arg ? "${arg}_oids" : 'all_oids'));
write_text($report, join '', map {"$_,$oidmap{$_}\n"}
sort {lxoid($a) cmp lxoid($b)}
grep {m/^\.1/} keys %oidmap);

blank();
print sprintf "\N{BLACK FLAG} %d mibs translated into %d objects.\n", scalar @mibs, scalar keys %oidmap;
exit(0);
delete $oidmap{'.1'};
return %oidmap;
}

# take oid and make comparable
sub lxoid {
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