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#!/usr/bin/perl
#
# Copyright (c) 2010 Kungliga Tekniska Högskolan
# (Royal Institute of Technology, Stockholm, Sweden).
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# 3. Neither the name of the Institute nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
use Getopt::Std;
my $output;
my $CFILE, $HFILE;
my $onlybase;
my $header = 0;
getopts('b:h') || die "USAGE: ./gen-oid [-b BASE] [-h HEADER]";
if($opt_b) {
$onlybase = $opt_b;
}
$header = 1 if ($opt_h);
printf "/* Generated file */\n";
if ($header) {
printf "#ifndef GSSAPI_GSSAPI_OID\n";
printf "#define GSSAPI_GSSAPI_OID 1\n\n";
} else {
printf "#include \"mech_locl.h\"\n\n";
}
my %tables;
my %types;
while(<>) {
if (/^\w*#(.*)/) {
my $comment = $1;
if ($header) {
printf("$comment\n");
}
} elsif (/^oid\s+([\w\.]+)\s+(\w+)\s+([\w\.]+)/) {
my ($base, $name, $oid) = ($1, $2, $3);
next if (defined $onlybase and $onlybase ne $base);
my $store = "__" . lc($name) . "_oid_desc";
# encode oid
my @array = split(/\./, $oid);
my $length = 0;
my $data = "";
my $num;
$n = $#array;
while ($n > 1) {
$num = $array[$n];
my $p = int($num % 128);
$data = sprintf("\\x%02x", $p) . $data;
$num = int($num / 128);
$length += 1;
while ($num > 0) {
$p = int($num % 128) + 128;
$num = int($num / 128);
$data = sprintf("\\x%02x", $p) . $data;
$length += 1;
}
$n--;
}
$num = int($array[0] * 40 + $array[1]);
$data = sprintf("\\x%x", $num) . $data;
$length += 1;
if ($header) {
printf "extern GSSAPI_LIB_VARIABLE gss_OID_desc $store;\n";
printf "#define $name (&$store)\n\n";
} else {
printf "/* $name - $oid */\n";
printf "gss_OID_desc GSSAPI_LIB_VARIABLE $store = { $length, rk_UNCONST(\"$data\") };\n\n";
}
push(@oidstorage, $store);
} elsif (/^desc\s+([\w]+)\s+(\w+)\s+(\"[^\"]*\")\s+(\"[^\"]*\")/) {
my ($type, $oid, $short, $long) = ($1, $2, $3, $4);
my $object = { type=> $type, oid => $oid, short => $short, long => $long };
$tables{$oid} = \$object;
$types{$type} = 1;
}
}
foreach my $k (sort keys %types) {
if (!$header) {
print "struct _gss_oid_name_table _gss_ont_" . $k . "[] = {\n";
foreach my $m (sort {$$a->{oid} cmp $$b->{oid}} values %tables) {
if ($$m->{type} eq $k) {
printf " { %s, \"%s\", %s, %s },\n", $$m->{oid}, $$m->{oid}, $$m->{short}, $$m->{long};
}
}
printf " { NULL, NULL, NULL, NULL }\n";
printf "};\n\n";
}
}
if ($header) {
printf "#endif /* GSSAPI_GSSAPI_OID */\n";
} else {
printf "gss_OID _gss_ot_internal[] = {\n";
foreach my $k (@oidstorage) {
print " &$k,\n";
}
printf "};\n\n";
printf "size_t _gss_ot_internal_count = sizeof(_gss_ot_internal) / sizeof(_gss_ot_internal[0]);\n";
}
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