132 lines
3.8 KiB
Perl
Executable file
132 lines
3.8 KiB
Perl
Executable file
#!/usr/bin/perl
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# gencertbuf.pl
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# version 1.0
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# Updated 04/08/2019
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#
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# Copyright (C) 2014-2020 wolfSSL Inc.
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#
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use strict;
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use warnings;
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# ---- SCRIPT SETTINGS -------------------------------------------------------
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# output C header file to write key buffers to
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my $outputFile = "./wolfssh/certs_test.h";
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# ecc keys to be converted
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my @fileList_ecc = (
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[ "./keys/server-key-ecc.der", "ecc_key_der_256" ],
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[ "./keys/server-key-ecc-384.der", "ecc_key_der_384" ],
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[ "./keys/server-key-ecc-521.der", "ecc_key_der_521" ]
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);
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# 2048-bit keys to be converted
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my @fileList_2048 = (
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[ "./keys/server-key-rsa.der", "rsa_key_der_2048" ],
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);
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# ----------------------------------------------------------------------------
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my $num_ecc = @fileList_ecc;
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my $num_2048 = @fileList_2048;
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# open our output file, "+>" creates and/or truncates
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open OUT_FILE, "+>", $outputFile or die $!;
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print OUT_FILE "/* certs_test.h\n";
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print OUT_FILE "*\n";
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print OUT_FILE "* Copyright (C) 2014-2020 wolfSSL Inc.\n";
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print OUT_FILE "*\n";
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print OUT_FILE "* This file is part of wolfSSH.\n";
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print OUT_FILE "*\n";
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print OUT_FILE "* wolfSSH is free software; you can redistribute it and/or modify\n";
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print OUT_FILE "* it under the terms of the GNU General Public License as published by\n";
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print OUT_FILE "* the Free Software Foundation; either version 3 of the License, or\n";
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print OUT_FILE "* (at your option) any later version.\n";
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print OUT_FILE "*\n";
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print OUT_FILE "* wolfSSH is distributed in the hope that it will be useful,\n";
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print OUT_FILE "* but WITHOUT ANY WARRANTY; without even the implied warranty of\n";
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print OUT_FILE "* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n";
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print OUT_FILE "* GNU General Public License for more details.\n";
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print OUT_FILE "*\n";
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print OUT_FILE "* You should have received a copy of the GNU General Public License\n";
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print OUT_FILE "* along with wolfSSH. If not, see <http://www.gnu.org/licenses/>.\n";
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print OUT_FILE "*/\n\n";
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print OUT_FILE "#ifndef WOLFSSL_CERTS_TEST_H\n";
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print OUT_FILE "#define WOLFSSL_CERTS_TEST_H\n\n";
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# convert and print 2048-bit certs/keys
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print OUT_FILE "#ifdef NO_FILESYSTEM\n\n";
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for (my $i = 0; $i < $num_2048; $i++) {
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my $fname = $fileList_2048[$i][0];
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my $sname = $fileList_2048[$i][1];
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print OUT_FILE "/* $fname, 2048-bit */\n";
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print OUT_FILE "static const unsigned char $sname\[] =\n";
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print OUT_FILE "{\n";
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file_to_hex($fname);
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print OUT_FILE "};\n";
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print OUT_FILE "static const int sizeof_$sname = sizeof($sname);\n\n";
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}
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# convert and print ECC cert/keys
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for (my $i = 0; $i < $num_ecc; $i++) {
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my $fname = $fileList_ecc[$i][0];
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my $sname = $fileList_ecc[$i][1];
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print OUT_FILE "/* $fname, ECC */\n";
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print OUT_FILE "static const unsigned char $sname\[] =\n";
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print OUT_FILE "{\n";
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file_to_hex($fname);
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print OUT_FILE "};\n";
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print OUT_FILE "static const int sizeof_$sname = sizeof($sname);\n\n";
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}
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print OUT_FILE "#endif /* NO_FILESYSTEM */\n\n";
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print OUT_FILE "#endif /* WOLFSSL_CERTS_TEST_H */\n\n";
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# close certs_test.h file
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close OUT_FILE or die $!;
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# print file as hex, comma-separated, as needed by C buffer
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sub file_to_hex {
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my $fileName = $_[0];
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open my $fp, "<", $fileName or die $!;
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binmode($fp);
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my $fileLen = -s $fileName;
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my $byte;
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for (my $i = 0, my $j = 1; $i < $fileLen; $i++, $j++)
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{
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if ($j == 1) {
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print OUT_FILE "\t";
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}
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read($fp, $byte, 1) or die "Error reading $fileName";
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my $output = sprintf("0x%02X", ord($byte));
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print OUT_FILE $output;
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if ($i != ($fileLen - 1)) {
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print OUT_FILE ", ";
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}
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if ($j == 10) {
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$j = 0;
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print OUT_FILE "\n";
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}
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}
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print OUT_FILE "\n";
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close($fp);
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}
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