1#! /usr/bin/env perl
2# Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved.
3#
4# Licensed under the Apache License 2.0 (the "License").  You may not use
5# this file except in compliance with the License.  You can obtain a copy
6# in the file LICENSE in the source distribution or at
7# https://www.openssl.org/source/license.html
8
9# Generate progs.h file by looking for command mains in list of C files
10# passed on the command line.
11
12use strict;
13use warnings;
14use lib '.';
15use configdata qw/@disablables %unified_info/;
16
17my $opt          = shift @ARGV;
18die "Unrecognised option, must be -C or -H\n"
19    unless ($opt eq '-H' || $opt eq '-C');
20
21my %commands     = ();
22my $cmdre        = qr/^\s*int\s+([a-z_][a-z0-9_]*)_main\(\s*int\s+argc\s*,/;
23my $apps_openssl = shift @ARGV;
24my $YEAR         = [gmtime($ENV{SOURCE_DATE_EPOCH} || time())]->[5] + 1900;
25
26# because the program apps/openssl has object files as sources, and
27# they then have the corresponding C files as source, we need to chain
28# the lookups in %unified_info
29my @openssl_source =
30    map { @{$unified_info{sources}->{$_}} }
31    grep { /\.o$/
32           && !$unified_info{attributes}->{sources}->{$apps_openssl}->{$_}->{nocheck} }
33        @{$unified_info{sources}->{$apps_openssl}};
34
35foreach my $filename (@openssl_source) {
36    open F, $filename or die "Couldn't open $filename: $!\n";
37    foreach ( grep /$cmdre/, <F> ) {
38        my @foo = /$cmdre/;
39        $commands{$1} = 1;
40    }
41    close F;
42}
43
44@ARGV = sort keys %commands;
45
46if ($opt eq '-H') {
47    print <<"EOF";
48/*
49 * WARNING: do not edit!
50 * Generated by apps/progs.pl
51 *
52 * Copyright 1995-$YEAR The OpenSSL Project Authors. All Rights Reserved.
53 *
54 * Licensed under the Apache License 2.0 (the "License").  You may not use
55 * this file except in compliance with the License.  You can obtain a copy
56 * in the file LICENSE in the source distribution or at
57 * https://www.openssl.org/source/license.html
58 */
59
60#include "function.h"
61
62EOF
63
64    foreach (@ARGV) {
65        printf "extern int %s_main(int argc, char *argv[]);\n", $_;
66    }
67    print "\n";
68
69    foreach (@ARGV) {
70        printf "extern const OPTIONS %s_options[];\n", $_;
71    }
72    print "\n";
73    print "extern FUNCTION functions[];\n";
74}
75
76if ($opt eq '-C') {
77    print <<"EOF";
78/*
79 * WARNING: do not edit!
80 * Generated by apps/progs.pl
81 *
82 * Copyright 1995-$YEAR The OpenSSL Project Authors. All Rights Reserved.
83 *
84 * Licensed under the Apache License 2.0 (the "License").  You may not use
85 * this file except in compliance with the License.  You can obtain a copy
86 * in the file LICENSE in the source distribution or at
87 * https://www.openssl.org/source/license.html
88 */
89
90#include "progs.h"
91
92EOF
93
94    my %cmd_disabler = (
95        ciphers  => "sock",
96        gendsa   => "dsa",
97        dsaparam => "dsa",
98        gendh    => "dh",
99        dhparam  => "dh",
100        ecparam  => "ec",
101    );
102    my %cmd_deprecated = (
103# The format of this table is:
104#   [0] = alternative command to use instead
105#   [1] = deprecented in this version
106#   [2] = preprocessor conditional for excluding irrespective of deprecation
107#        rsa      => [ "pkey",      "3_0", "rsa" ],
108#        genrsa   => [ "genpkey",   "3_0", "rsa" ],
109        rsautl   => [ "pkeyutl",   "3_0", "" ],
110#        dhparam  => [ "pkeyparam", "3_0", "dh"  ],
111#        dsaparam => [ "pkeyparam", "3_0", "dsa" ],
112#        dsa      => [ "pkey",      "3_0", "dsa" ],
113#        gendsa   => [ "genpkey",   "3_0", "dsa" ],
114#        ec       => [ "pkey",      "3_0", "ec"  ],
115#        ecparam  => [ "pkeyparam", "3_0", "ec"  ],
116    );
117
118    print "FUNCTION functions[] = {\n";
119    foreach my $cmd ( @ARGV ) {
120        my $str =
121            "    {FT_general, \"$cmd\", ${cmd}_main, ${cmd}_options, NULL, NULL},\n";
122        if ($cmd =~ /^s_/) {
123            print "#ifndef OPENSSL_NO_SOCK\n${str}#endif\n";
124        } elsif (my $deprecated = $cmd_deprecated{$cmd}) {
125            my @dep = @{$deprecated};
126            my $daltprg = $dep[0];
127            my $dver = $dep[1];
128            my $dsys = $dep[2];
129            print "#if !defined(OPENSSL_NO_DEPRECATED_" . $dver . ")";
130            if ($dsys) {
131                print " && !defined(OPENSSL_NO_" . uc($dsys) . ")";
132            }
133            $dver =~ s/_/./g;
134            my $dalt = "\"" . $daltprg . "\", \"" . $dver . "\"";
135            $str =~ s/NULL, NULL/$dalt/;
136            print "\n${str}#endif\n";
137        } elsif (grep { $cmd eq $_ } @disablables) {
138            print "#ifndef OPENSSL_NO_" . uc($cmd) . "\n${str}#endif\n";
139        } elsif (my $disabler = $cmd_disabler{$cmd}) {
140            print "#ifndef OPENSSL_NO_" . uc($disabler) . "\n${str}#endif\n";
141        } else {
142            print $str;
143        }
144    }
145
146    my %md_disabler = (
147        blake2b512 => "blake2",
148        blake2s256 => "blake2",
149    );
150    foreach my $cmd (
151        "md2", "md4", "md5",
152        "sha1", "sha224", "sha256", "sha384",
153        "sha512", "sha512-224", "sha512-256",
154        "sha3-224", "sha3-256", "sha3-384", "sha3-512",
155        "shake128", "shake256",
156        "mdc2", "rmd160", "blake2b512", "blake2s256",
157        "sm3"
158    ) {
159        my $str = "    {FT_md, \"$cmd\", dgst_main, NULL, NULL},\n";
160        if (grep { $cmd eq $_ } @disablables) {
161            print "#ifndef OPENSSL_NO_" . uc($cmd) . "\n${str}#endif\n";
162        } elsif (my $disabler = $md_disabler{$cmd}) {
163            print "#ifndef OPENSSL_NO_" . uc($disabler) . "\n${str}#endif\n";
164        } else {
165            print $str;
166        }
167    }
168
169    my %cipher_disabler = (
170        des3  => "des",
171        desx  => "des",
172        cast5 => "cast",
173    );
174    foreach my $cmd (
175        "aes-128-cbc", "aes-128-ecb",
176        "aes-192-cbc", "aes-192-ecb",
177        "aes-256-cbc", "aes-256-ecb",
178        "aria-128-cbc", "aria-128-cfb",
179        "aria-128-ctr", "aria-128-ecb", "aria-128-ofb",
180        "aria-128-cfb1", "aria-128-cfb8",
181        "aria-192-cbc", "aria-192-cfb",
182        "aria-192-ctr", "aria-192-ecb", "aria-192-ofb",
183        "aria-192-cfb1", "aria-192-cfb8",
184        "aria-256-cbc", "aria-256-cfb",
185        "aria-256-ctr", "aria-256-ecb", "aria-256-ofb",
186        "aria-256-cfb1", "aria-256-cfb8",
187        "camellia-128-cbc", "camellia-128-ecb",
188        "camellia-192-cbc", "camellia-192-ecb",
189        "camellia-256-cbc", "camellia-256-ecb",
190        "base64", "zlib", "brotli", "zstd",
191        "des", "des3", "desx", "idea", "seed", "rc4", "rc4-40",
192        "rc2", "bf", "cast", "rc5",
193        "des-ecb", "des-ede", "des-ede3",
194        "des-cbc", "des-ede-cbc","des-ede3-cbc",
195        "des-cfb", "des-ede-cfb","des-ede3-cfb",
196        "des-ofb", "des-ede-ofb","des-ede3-ofb",
197        "idea-cbc","idea-ecb", "idea-cfb", "idea-ofb",
198        "seed-cbc","seed-ecb", "seed-cfb", "seed-ofb",
199        "rc2-cbc", "rc2-ecb", "rc2-cfb","rc2-ofb", "rc2-64-cbc", "rc2-40-cbc",
200        "bf-cbc", "bf-ecb", "bf-cfb", "bf-ofb",
201        "cast5-cbc","cast5-ecb", "cast5-cfb","cast5-ofb",
202        "cast-cbc", "rc5-cbc", "rc5-ecb", "rc5-cfb", "rc5-ofb",
203        "sm4-cbc", "sm4-ecb", "sm4-cfb", "sm4-ofb", "sm4-ctr"
204    ) {
205        my $str = "    {FT_cipher, \"$cmd\", enc_main, enc_options, NULL},\n";
206        (my $algo = $cmd) =~ s/-.*//g;
207        if (grep { $algo eq $_ } @disablables) {
208            print "#ifndef OPENSSL_NO_" . uc($algo) . "\n${str}#endif\n";
209        } elsif (my $disabler = $cipher_disabler{$algo}) {
210            print "#ifndef OPENSSL_NO_" . uc($disabler) . "\n${str}#endif\n";
211        } else {
212            print $str;
213        }
214    }
215
216    print "    {0, NULL, NULL, NULL, NULL}\n};\n";
217}
218