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mkdef.pl
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#!/usr/local/bin/perl -w
#
# generate a .def file
#
# It does this by parsing the header files and looking for the
# prototyped functions: it then prunes the output.
#
# Intermediary files are created, call libeay.num and ssleay.num,...
# Previously, they had the following format:
#
# routine-name nnnn
#
# But that isn't enough for a number of reasons, the first on being that
# this format is (needlessly) very Win32-centric, and even then...
# One of the biggest problems is that there's no information about what
# routines should actually be used, which varies with what crypto algorithms
# are disabled. Also, some operating systems (for example VMS with VAX C)
# need to keep track of the global variables as well as the functions.
#
# So, a remake of this script is done so as to include information on the
# kind of symbol it is (function or variable) and what algorithms they're
# part of. This will allow easy translating to .def files or the corresponding
# file in other operating systems (a .opt file for VMS, possibly with a .mar
# file).
#
# The format now becomes:
#
# routine-name nnnn info
#
# and the "info" part is actually a colon-separated string of fields with
# the following meaning:
#
# existence:platform:kind:algorithms
#
# - "existence" can be "EXIST" or "NOEXIST" depending on if the symbol is
# found somewhere in the source,
# - "platforms" is empty if it exists on all platforms, otherwise it contains
# comma-separated list of the platform, just as they are if the symbol exists
# for those platforms, or prepended with a "!" if not. This helps resolve
# symbol name variants for platforms where the names are too long for the
# compiler or linker, or if the systems is case insensitive and there is a
# clash, or the symbol is implemented differently (see
# EXPORT_VAR_AS_FUNCTION). This script assumes renaming of symbols is found
# in the file crypto/symhacks.h.
# The semantics for the platforms is that every item is checked against the
# environment. For the negative items ("!FOO"), if any of them is false
# (i.e. "FOO" is true) in the environment, the corresponding symbol can't be
# used. For the positive itms, if all of them are false in the environment,
# the corresponding symbol can't be used. Any combination of positive and
# negative items are possible, and of course leave room for some redundancy.
# - "kind" is "FUNCTION" or "VARIABLE". The meaning of that is obvious.
# - "algorithms" is a comma-separated list of algorithm names. This helps
# exclude symbols that are part of an algorithm that some user wants to
# exclude.
#
my $debug=0;
my $crypto_num= "util/libeay.num";
my $ssl_num= "util/ssleay.num";
my $libname;
my $do_update = 0;
my $do_rewrite = 1;
my $do_crypto = 0;
my $do_ssl = 0;
my $do_ctest = 0;
my $do_ctestall = 0;
my $do_checkexist = 0;
my $VMSVAX=0;
my $VMSNonVAX=0;
my $VMS=0;
my $W32=0;
my $W16=0;
my $NT=0;
my $OS2=0;
# Set this to make typesafe STACK definitions appear in DEF
my $safe_stack_def = 0;
my @known_platforms = ( "__FreeBSD__", "PERL5", "NeXT",
"EXPORT_VAR_AS_FUNCTION", "ZLIB",
"OPENSSL_FIPS", "OPENSSL_FIPSCAPABLE" );
my @known_ossl_platforms = ( "VMS", "WIN16", "WIN32", "WINNT", "OS2" );
my @known_algorithms = ( "RC2", "RC4", "RC5", "IDEA", "DES", "BF",
"CAST", "MD2", "MD4", "MD5", "SHA", "SHA0", "SHA1",
"SHA256", "SHA512", "RIPEMD",
"MDC2", "WHIRLPOOL", "RSA", "DSA", "DH", "EC", "ECDH", "ECDSA", "EC2M",
"HMAC", "AES", "CAMELLIA", "SEED", "GOST",
# EC_NISTP_64_GCC_128
"EC_NISTP_64_GCC_128",
# Envelope "algorithms"
"EVP", "X509", "ASN1_TYPEDEFS",
# Helper "algorithms"
"BIO", "COMP", "BUFFER", "LHASH", "STACK", "ERR",
"LOCKING",
# External "algorithms"
"FP_API", "STDIO", "SOCK", "KRB5", "DGRAM",
# Engines
"STATIC_ENGINE", "ENGINE", "HW", "GMP",
# RFC3779
"RFC3779",
# TLS
"TLSEXT", "PSK", "SRP",
# CMS
"CMS",
# CryptoAPI Engine
"CAPIENG",
# SSL v2
"SSL2",
# JPAKE
"JPAKE",
# NEXTPROTONEG
"NEXTPROTONEG",
# Deprecated functions
"DEPRECATED",
# Hide SSL internals
"SSL_INTERN");
my $options="";
open(IN,"<Makefile") || die "unable to open Makefile!\n";
while(<IN>) {
$options=$1 if (/^OPTIONS=(.*)$/);
}
close(IN);
# The following ciphers may be excluded (by Configure). This means functions
# defined with ifndef(NO_XXX) are not included in the .def file, and everything
# in directory xxx is ignored.
my $no_rc2; my $no_rc4; my $no_rc5; my $no_idea; my $no_des; my $no_bf;
my $no_cast; my $no_whirlpool; my $no_camellia; my $no_seed;
my $no_md2; my $no_md4; my $no_md5; my $no_sha; my $no_ripemd; my $no_mdc2;
my $no_rsa; my $no_dsa; my $no_dh; my $no_hmac=0; my $no_aes; my $no_krb5;
my $no_ec; my $no_ecdsa; my $no_ecdh; my $no_engine; my $no_hw;
my $no_fp_api; my $no_static_engine=1; my $no_gmp; my $no_deprecated;
my $no_rfc3779; my $no_psk; my $no_tlsext; my $no_cms; my $no_capieng;
my $no_jpake; my $no_ssl2; my $no_ec2m; my $no_nextprotoneg;
my $no_srp; my $no_nistp_gcc;
my $fips;
my $zlib;
foreach (@ARGV, split(/ /, $options))
{
$debug=1 if $_ eq "debug";
$W32=1 if $_ eq "32";
$W16=1 if $_ eq "16";
if($_ eq "NT") {
$W32 = 1;
$NT = 1;
}
if ($_ eq "VMS-VAX") {
$VMS=1;
$VMSVAX=1;
}
if ($_ eq "VMS-NonVAX") {
$VMS=1;
$VMSNonVAX=1;
}
$VMS=1 if $_ eq "VMS";
$OS2=1 if $_ eq "OS2";
$fips=1 if /^fips/;
if ($_ eq "zlib" || $_ eq "enable-zlib" || $_ eq "zlib-dynamic"
|| $_ eq "enable-zlib-dynamic") {
$zlib = 1;
}
$do_ssl=1 if $_ eq "ssleay";
if ($_ eq "ssl") {
$do_ssl=1;
$libname=$_
}
$do_crypto=1 if $_ eq "libeay";
if ($_ eq "crypto") {
$do_crypto=1;
$libname=$_;
}
$no_static_engine=1 if $_ eq "no-static-engine";
$no_static_engine=0 if $_ eq "enable-static-engine";
$do_update=1 if $_ eq "update";
$do_rewrite=1 if $_ eq "rewrite";
$do_ctest=1 if $_ eq "ctest";
$do_ctestall=1 if $_ eq "ctestall";
$do_checkexist=1 if $_ eq "exist";
#$safe_stack_def=1 if $_ eq "-DDEBUG_SAFESTACK";
if (/^no-rc2$/) { $no_rc2=1; }
elsif (/^no-rc4$/) { $no_rc4=1; }
elsif (/^no-rc5$/) { $no_rc5=1; }
elsif (/^no-idea$/) { $no_idea=1; }
elsif (/^no-des$/) { $no_des=1; $no_mdc2=1; }
elsif (/^no-bf$/) { $no_bf=1; }
elsif (/^no-cast$/) { $no_cast=1; }
elsif (/^no-whirlpool$/) { $no_whirlpool=1; }
elsif (/^no-md2$/) { $no_md2=1; }
elsif (/^no-md4$/) { $no_md4=1; }
elsif (/^no-md5$/) { $no_md5=1; }
elsif (/^no-sha$/) { $no_sha=1; }
elsif (/^no-ripemd$/) { $no_ripemd=1; }
elsif (/^no-mdc2$/) { $no_mdc2=1; }
elsif (/^no-rsa$/) { $no_rsa=1; }
elsif (/^no-dsa$/) { $no_dsa=1; }
elsif (/^no-dh$/) { $no_dh=1; }
elsif (/^no-ec$/) { $no_ec=1; }
elsif (/^no-ecdsa$/) { $no_ecdsa=1; }
elsif (/^no-ecdh$/) { $no_ecdh=1; }
elsif (/^no-hmac$/) { $no_hmac=1; }
elsif (/^no-aes$/) { $no_aes=1; }
elsif (/^no-camellia$/) { $no_camellia=1; }
elsif (/^no-seed$/) { $no_seed=1; }
elsif (/^no-evp$/) { $no_evp=1; }
elsif (/^no-lhash$/) { $no_lhash=1; }
elsif (/^no-stack$/) { $no_stack=1; }
elsif (/^no-err$/) { $no_err=1; }
elsif (/^no-buffer$/) { $no_buffer=1; }
elsif (/^no-bio$/) { $no_bio=1; }
#elsif (/^no-locking$/) { $no_locking=1; }
elsif (/^no-comp$/) { $no_comp=1; }
elsif (/^no-dso$/) { $no_dso=1; }
elsif (/^no-krb5$/) { $no_krb5=1; }
elsif (/^no-engine$/) { $no_engine=1; }
elsif (/^no-hw$/) { $no_hw=1; }
elsif (/^no-gmp$/) { $no_gmp=1; }
elsif (/^no-rfc3779$/) { $no_rfc3779=1; }
elsif (/^no-tlsext$/) { $no_tlsext=1; }
elsif (/^no-cms$/) { $no_cms=1; }
elsif (/^no-ec2m$/) { $no_ec2m=1; }
elsif (/^no-ec-nistp224-64-gcc-128$/) { $no_nistp_gcc=1; }
elsif (/^no-nextprotoneg$/) { $no_nextprotoneg=1; }
elsif (/^no-ssl2$/) { $no_ssl2=1; }
elsif (/^no-capieng$/) { $no_capieng=1; }
elsif (/^no-jpake$/) { $no_jpake=1; }
elsif (/^no-srp$/) { $no_srp=1; }
}
if (!$libname) {
if ($do_ssl) {
$libname="SSLEAY";
}
if ($do_crypto) {
$libname="LIBEAY";
}
}
# If no platform is given, assume WIN32
if ($W32 + $W16 + $VMS + $OS2 == 0) {
$W32 = 1;
}
# Add extra knowledge
if ($W16) {
$no_fp_api=1;
}
if (!$do_ssl && !$do_crypto)
{
print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT | OS2 ]\n";
exit(1);
}
%ssl_list=&load_numbers($ssl_num);
$max_ssl = $max_num;
%crypto_list=&load_numbers($crypto_num);
$max_crypto = $max_num;
my $ssl="ssl/ssl.h";
$ssl.=" ssl/kssl.h";
$ssl.=" ssl/tls1.h";
my $crypto ="crypto/crypto.h";
$crypto.=" crypto/o_dir.h";
$crypto.=" crypto/o_str.h";
$crypto.=" crypto/o_time.h";
$crypto.=" crypto/des/des.h crypto/des/des_old.h" ; # unless $no_des;
$crypto.=" crypto/idea/idea.h" ; # unless $no_idea;
$crypto.=" crypto/rc4/rc4.h" ; # unless $no_rc4;
$crypto.=" crypto/rc5/rc5.h" ; # unless $no_rc5;
$crypto.=" crypto/rc2/rc2.h" ; # unless $no_rc2;
$crypto.=" crypto/bf/blowfish.h" ; # unless $no_bf;
$crypto.=" crypto/cast/cast.h" ; # unless $no_cast;
$crypto.=" crypto/whrlpool/whrlpool.h" ;
$crypto.=" crypto/md2/md2.h" ; # unless $no_md2;
$crypto.=" crypto/md4/md4.h" ; # unless $no_md4;
$crypto.=" crypto/md5/md5.h" ; # unless $no_md5;
$crypto.=" crypto/mdc2/mdc2.h" ; # unless $no_mdc2;
$crypto.=" crypto/sha/sha.h" ; # unless $no_sha;
$crypto.=" crypto/ripemd/ripemd.h" ; # unless $no_ripemd;
$crypto.=" crypto/aes/aes.h" ; # unless $no_aes;
$crypto.=" crypto/camellia/camellia.h" ; # unless $no_camellia;
$crypto.=" crypto/seed/seed.h"; # unless $no_seed;
$crypto.=" crypto/bn/bn.h";
$crypto.=" crypto/rsa/rsa.h" ; # unless $no_rsa;
$crypto.=" crypto/dsa/dsa.h" ; # unless $no_dsa;
$crypto.=" crypto/dh/dh.h" ; # unless $no_dh;
$crypto.=" crypto/ec/ec.h" ; # unless $no_ec;
$crypto.=" crypto/ecdsa/ecdsa.h" ; # unless $no_ecdsa;
$crypto.=" crypto/ecdh/ecdh.h" ; # unless $no_ecdh;
$crypto.=" crypto/hmac/hmac.h" ; # unless $no_hmac;
$crypto.=" crypto/engine/engine.h"; # unless $no_engine;
$crypto.=" crypto/stack/stack.h" ; # unless $no_stack;
$crypto.=" crypto/buffer/buffer.h" ; # unless $no_buffer;
$crypto.=" crypto/bio/bio.h" ; # unless $no_bio;
$crypto.=" crypto/dso/dso.h" ; # unless $no_dso;
$crypto.=" crypto/lhash/lhash.h" ; # unless $no_lhash;
$crypto.=" crypto/conf/conf.h";
$crypto.=" crypto/txt_db/txt_db.h";
$crypto.=" crypto/evp/evp.h" ; # unless $no_evp;
$crypto.=" crypto/objects/objects.h";
$crypto.=" crypto/pem/pem.h";
#$crypto.=" crypto/meth/meth.h";
$crypto.=" crypto/asn1/asn1.h";
$crypto.=" crypto/asn1/asn1t.h";
$crypto.=" crypto/asn1/asn1_mac.h";
$crypto.=" crypto/err/err.h" ; # unless $no_err;
$crypto.=" crypto/pkcs7/pkcs7.h";
$crypto.=" crypto/pkcs12/pkcs12.h";
$crypto.=" crypto/x509/x509.h";
$crypto.=" crypto/x509/x509_vfy.h";
$crypto.=" crypto/x509v3/x509v3.h";
$crypto.=" crypto/ts/ts.h";
$crypto.=" crypto/rand/rand.h";
$crypto.=" crypto/comp/comp.h" ; # unless $no_comp;
$crypto.=" crypto/ocsp/ocsp.h";
$crypto.=" crypto/ui/ui.h crypto/ui/ui_compat.h";
$crypto.=" crypto/krb5/krb5_asn.h";
#$crypto.=" crypto/store/store.h";
$crypto.=" crypto/pqueue/pqueue.h";
$crypto.=" crypto/cms/cms.h";
$crypto.=" crypto/jpake/jpake.h";
$crypto.=" crypto/srp/srp.h";
$crypto.=" crypto/modes/modes.h";
$crypto.=" fips/fips.h fips/rand/fips_rand.h";
my $symhacks="crypto/symhacks.h";
my @ssl_symbols = &do_defs("SSLEAY", $ssl, $symhacks);
my @crypto_symbols = &do_defs("LIBEAY", $crypto, $symhacks);
if ($do_update) {
if ($do_ssl == 1) {
&maybe_add_info("SSLEAY",*ssl_list,@ssl_symbols);
if ($do_rewrite == 1) {
open(OUT, ">$ssl_num");
&rewrite_numbers(*OUT,"SSLEAY",*ssl_list,@ssl_symbols);
} else {
open(OUT, ">>$ssl_num");
}
&update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl,@ssl_symbols);
close OUT;
}
if($do_crypto == 1) {
&maybe_add_info("LIBEAY",*crypto_list,@crypto_symbols);
if ($do_rewrite == 1) {
open(OUT, ">$crypto_num");
&rewrite_numbers(*OUT,"LIBEAY",*crypto_list,@crypto_symbols);
} else {
open(OUT, ">>$crypto_num");
}
&update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto,@crypto_symbols);
close OUT;
}
} elsif ($do_checkexist) {
&check_existing(*ssl_list, @ssl_symbols)
if $do_ssl == 1;
&check_existing(*crypto_list, @crypto_symbols)
if $do_crypto == 1;
} elsif ($do_ctest || $do_ctestall) {
print <<"EOF";
/* Test file to check all DEF file symbols are present by trying
* to link to all of them. This is *not* intended to be run!
*/
int main()
{
EOF
&print_test_file(*STDOUT,"SSLEAY",*ssl_list,$do_ctestall,@ssl_symbols)
if $do_ssl == 1;
&print_test_file(*STDOUT,"LIBEAY",*crypto_list,$do_ctestall,@crypto_symbols)
if $do_crypto == 1;
print "}\n";
} else {
&print_def_file(*STDOUT,$libname,*ssl_list,@ssl_symbols)
if $do_ssl == 1;
&print_def_file(*STDOUT,$libname,*crypto_list,@crypto_symbols)
if $do_crypto == 1;
}
sub do_defs
{
my($name,$files,$symhacksfile)=@_;
my $file;
my @ret;
my %syms;
my %platform; # For anything undefined, we assume ""
my %kind; # For anything undefined, we assume "FUNCTION"
my %algorithm; # For anything undefined, we assume ""
my %variant;
my %variant_cnt; # To be able to allocate "name{n}" if "name"
# is the same name as the original.
my $cpp;
my %unknown_algorithms = ();
foreach $file (split(/\s+/,$symhacksfile." ".$files))
{
print STDERR "DEBUG: starting on $file:\n" if $debug;
open(IN,"<$file") || die "unable to open $file:$!\n";
my $line = "", my $def= "";
my %tag = (
(map { $_ => 0 } @known_platforms),
(map { "OPENSSL_SYS_".$_ => 0 } @known_ossl_platforms),
(map { "OPENSSL_NO_".$_ => 0 } @known_algorithms),
NOPROTO => 0,
PERL5 => 0,
_WINDLL => 0,
CONST_STRICT => 0,
TRUE => 1,
);
my $symhacking = $file eq $symhacksfile;
my @current_platforms = ();
my @current_algorithms = ();
# params: symbol, alias, platforms, kind
# The reason to put this subroutine in a variable is that
# it will otherwise create it's own, unshared, version of
# %tag and %variant...
my $make_variant = sub
{
my ($s, $a, $p, $k) = @_;
my ($a1, $a2);
print STDERR "DEBUG: make_variant: Entered with ",$s,", ",$a,", ",(defined($p)?$p:""),", ",(defined($k)?$k:""),"\n" if $debug;
if (defined($p))
{
$a1 = join(",",$p,
grep(!/^$/,
map { $tag{$_} == 1 ? $_ : "" }
@known_platforms));
}
else
{
$a1 = join(",",
grep(!/^$/,
map { $tag{$_} == 1 ? $_ : "" }
@known_platforms));
}
$a2 = join(",",
grep(!/^$/,
map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ : "" }
@known_ossl_platforms));
print STDERR "DEBUG: make_variant: a1 = $a1; a2 = $a2\n" if $debug;
if ($a1 eq "") { $a1 = $a2; }
elsif ($a1 ne "" && $a2 ne "") { $a1 .= ",".$a2; }
if ($a eq $s)
{
if (!defined($variant_cnt{$s}))
{
$variant_cnt{$s} = 0;
}
$variant_cnt{$s}++;
$a .= "{$variant_cnt{$s}}";
}
my $toadd = $a.":".$a1.(defined($k)?":".$k:"");
my $togrep = $s.'(\{[0-9]+\})?:'.$a1.(defined($k)?":".$k:"");
if (!grep(/^$togrep$/,
split(/;/, defined($variant{$s})?$variant{$s}:""))) {
if (defined($variant{$s})) { $variant{$s} .= ";"; }
$variant{$s} .= $toadd;
}
print STDERR "DEBUG: make_variant: Exit with variant of ",$s," = ",$variant{$s},"\n" if $debug;
};
print STDERR "DEBUG: parsing ----------\n" if $debug;
while(<IN>) {
if (/\/\* Error codes for the \w+ functions\. \*\//)
{
undef @tag;
last;
}
if ($line ne '') {
$_ = $line . $_;
$line = '';
}
if (/\\$/) {
chomp; # remove eol
chop; # remove ending backslash
$line = $_;
next;
}
if(/\/\*/) {
if (not /\*\//) { # multiline comment...
$line = $_; # ... just accumulate
next;
} else {
s/\/\*.*?\*\///gs;# wipe it
}
}
if ($cpp) {
$cpp++ if /^#\s*if/;
$cpp-- if /^#\s*endif/;
next;
}
$cpp = 1 if /^#.*ifdef.*cplusplus/;
s/{[^{}]*}//gs; # ignore {} blocks
print STDERR "DEBUG: \$def=\"$def\"\n" if $debug && $def ne "";
print STDERR "DEBUG: \$_=\"$_\"\n" if $debug;
if (/^\#\s*ifndef\s+(.*)/) {
push(@tag,"-");
push(@tag,$1);
$tag{$1}=-1;
print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
} elsif (/^\#\s*if\s+!defined\(([^\)]+)\)/) {
push(@tag,"-");
if (/^\#\s*if\s+(!defined\(([^\)]+)\)(\s+\&\&\s+!defined\(([^\)]+)\))*)$/) {
my $tmp_1 = $1;
my $tmp_;
foreach $tmp_ (split '\&\&',$tmp_1) {
$tmp_ =~ /!defined\(([^\)]+)\)/;
print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
push(@tag,$1);
$tag{$1}=-1;
}
} else {
print STDERR "Warning: $file: complicated expression: $_" if $debug; # because it is O...
print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
push(@tag,$1);
$tag{$1}=-1;
}
} elsif (/^\#\s*ifdef\s+(\S*)/) {
push(@tag,"-");
push(@tag,$1);
$tag{$1}=1;
print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
} elsif (/^\#\s*if\s+defined\(([^\)]+)\)/) {
push(@tag,"-");
if (/^\#\s*if\s+(defined\(([^\)]+)\)(\s+\|\|\s+defined\(([^\)]+)\))*)$/) {
my $tmp_1 = $1;
my $tmp_;
foreach $tmp_ (split '\|\|',$tmp_1) {
$tmp_ =~ /defined\(([^\)]+)\)/;
print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
push(@tag,$1);
$tag{$1}=1;
}
} else {
print STDERR "Warning: $file: complicated expression: $_\n" if $debug; # because it is O...
print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
push(@tag,$1);
$tag{$1}=1;
}
} elsif (/^\#\s*error\s+(\w+) is disabled\./) {
my $tag_i = $#tag;
while($tag[$tag_i] ne "-") {
if ($tag[$tag_i] eq "OPENSSL_NO_".$1) {
$tag{$tag[$tag_i]}=2;
print STDERR "DEBUG: $file: chaged tag $1 = 2\n" if $debug;
}
$tag_i--;
}
} elsif (/^\#\s*endif/) {
my $tag_i = $#tag;
while($tag_i > 0 && $tag[$tag_i] ne "-") {
my $t=$tag[$tag_i];
print STDERR "DEBUG: \$t=\"$t\"\n" if $debug;
if ($tag{$t}==2) {
$tag{$t}=-1;
} else {
$tag{$t}=0;
}
print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
pop(@tag);
if ($t =~ /^OPENSSL_NO_([A-Z0-9_]+)$/) {
$t=$1;
} else {
$t="";
}
if ($t ne ""
&& !grep(/^$t$/, @known_algorithms)) {
$unknown_algorithms{$t} = 1;
#print STDERR "DEBUG: Added as unknown algorithm: $t\n" if $debug;
}
$tag_i--;
}
pop(@tag);
} elsif (/^\#\s*else/) {
my $tag_i = $#tag;
while($tag[$tag_i] ne "-") {
my $t=$tag[$tag_i];
$tag{$t}= -$tag{$t};
print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
$tag_i--;
}
} elsif (/^\#\s*if\s+1/) {
push(@tag,"-");
# Dummy tag
push(@tag,"TRUE");
$tag{"TRUE"}=1;
print STDERR "DEBUG: $file: found 1\n" if $debug;
} elsif (/^\#\s*if\s+0/) {
push(@tag,"-");
# Dummy tag
push(@tag,"TRUE");
$tag{"TRUE"}=-1;
print STDERR "DEBUG: $file: found 0\n" if $debug;
} elsif (/^\#\s*define\s+(\w+)\s+(\w+)/
&& $symhacking && $tag{'TRUE'} != -1) {
# This is for aliasing. When we find an alias,
# we have to invert
&$make_variant($1,$2);
print STDERR "DEBUG: $file: defined $1 = $2\n" if $debug;
}
if (/^\#/) {
@current_platforms =
grep(!/^$/,
map { $tag{$_} == 1 ? $_ :
$tag{$_} == -1 ? "!".$_ : "" }
@known_platforms);
push @current_platforms
, grep(!/^$/,
map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ :
$tag{"OPENSSL_SYS_".$_} == -1 ? "!".$_ : "" }
@known_ossl_platforms);
@current_algorithms =
grep(!/^$/,
map { $tag{"OPENSSL_NO_".$_} == -1 ? $_ : "" }
@known_algorithms);
$def .=
"#INFO:"
.join(',',@current_platforms).":"
.join(',',@current_algorithms).";";
next;
}
if ($tag{'TRUE'} != -1) {
if (/^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) {
next;
} elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
$def .= "int d2i_$3(void);";
$def .= "int i2d_$3(void);";
# Variant for platforms that do not
# have to access globale variables
# in shared libraries through functions
$def .=
"#INFO:"
.join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
.join(',',@current_algorithms).";";
$def .= "OPENSSL_EXTERN int $2_it;";
$def .=
"#INFO:"
.join(',',@current_platforms).":"
.join(',',@current_algorithms).";";
# Variant for platforms that have to
# access globale variables in shared
# libraries through functions
&$make_variant("$2_it","$2_it",
"EXPORT_VAR_AS_FUNCTION",
"FUNCTION");
next;
} elsif (/^\s*DECLARE_ASN1_FUNCTIONS_fname\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
$def .= "int d2i_$3(void);";
$def .= "int i2d_$3(void);";
$def .= "int $3_free(void);";
$def .= "int $3_new(void);";
# Variant for platforms that do not
# have to access globale variables
# in shared libraries through functions
$def .=
"#INFO:"
.join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
.join(',',@current_algorithms).";";
$def .= "OPENSSL_EXTERN int $2_it;";
$def .=
"#INFO:"
.join(',',@current_platforms).":"
.join(',',@current_algorithms).";";
# Variant for platforms that have to
# access globale variables in shared
# libraries through functions
&$make_variant("$2_it","$2_it",
"EXPORT_VAR_AS_FUNCTION",
"FUNCTION");
next;
} elsif (/^\s*DECLARE_ASN1_FUNCTIONS\s*\(\s*(\w*)\s*\)/ ||
/^\s*DECLARE_ASN1_FUNCTIONS_const\s*\(\s*(\w*)\s*\)/) {
$def .= "int d2i_$1(void);";
$def .= "int i2d_$1(void);";
$def .= "int $1_free(void);";
$def .= "int $1_new(void);";
# Variant for platforms that do not
# have to access globale variables
# in shared libraries through functions
$def .=
"#INFO:"
.join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
.join(',',@current_algorithms).";";
$def .= "OPENSSL_EXTERN int $1_it;";
$def .=
"#INFO:"
.join(',',@current_platforms).":"
.join(',',@current_algorithms).";";
# Variant for platforms that have to
# access globale variables in shared
# libraries through functions
&$make_variant("$1_it","$1_it",
"EXPORT_VAR_AS_FUNCTION",
"FUNCTION");
next;
} elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS_const\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
$def .= "int d2i_$2(void);";
$def .= "int i2d_$2(void);";
# Variant for platforms that do not
# have to access globale variables
# in shared libraries through functions
$def .=
"#INFO:"
.join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
.join(',',@current_algorithms).";";
$def .= "OPENSSL_EXTERN int $2_it;";
$def .=
"#INFO:"
.join(',',@current_platforms).":"
.join(',',@current_algorithms).";";
# Variant for platforms that have to
# access globale variables in shared
# libraries through functions
&$make_variant("$2_it","$2_it",
"EXPORT_VAR_AS_FUNCTION",
"FUNCTION");
next;
} elsif (/^\s*DECLARE_ASN1_ALLOC_FUNCTIONS\s*\(\s*(\w*)\s*\)/) {
$def .= "int $1_free(void);";
$def .= "int $1_new(void);";
next;
} elsif (/^\s*DECLARE_ASN1_FUNCTIONS_name\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
$def .= "int d2i_$2(void);";
$def .= "int i2d_$2(void);";
$def .= "int $2_free(void);";
$def .= "int $2_new(void);";
# Variant for platforms that do not
# have to access globale variables
# in shared libraries through functions
$def .=
"#INFO:"
.join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
.join(',',@current_algorithms).";";
$def .= "OPENSSL_EXTERN int $2_it;";
$def .=
"#INFO:"
.join(',',@current_platforms).":"
.join(',',@current_algorithms).";";
# Variant for platforms that have to
# access globale variables in shared
# libraries through functions
&$make_variant("$2_it","$2_it",
"EXPORT_VAR_AS_FUNCTION",
"FUNCTION");
next;
} elsif (/^\s*DECLARE_ASN1_ITEM\s*\(\s*(\w*)\s*\)/) {
# Variant for platforms that do not
# have to access globale variables
# in shared libraries through functions
$def .=
"#INFO:"
.join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
.join(',',@current_algorithms).";";
$def .= "OPENSSL_EXTERN int $1_it;";
$def .=
"#INFO:"
.join(',',@current_platforms).":"
.join(',',@current_algorithms).";";
# Variant for platforms that have to
# access globale variables in shared
# libraries through functions
&$make_variant("$1_it","$1_it",
"EXPORT_VAR_AS_FUNCTION",
"FUNCTION");
next;
} elsif (/^\s*DECLARE_ASN1_NDEF_FUNCTION\s*\(\s*(\w*)\s*\)/) {
$def .= "int i2d_$1_NDEF(void);";
} elsif (/^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) {
next;
} elsif (/^\s*DECLARE_ASN1_PRINT_FUNCTION\s*\(\s*(\w*)\s*\)/) {
$def .= "int $1_print_ctx(void);";
next;
} elsif (/^\s*DECLARE_ASN1_PRINT_FUNCTION_name\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
$def .= "int $2_print_ctx(void);";
next;
} elsif (/^\s*DECLARE_PKCS12_STACK_OF\s*\(\s*(\w*)\s*\)/) {
next;
} elsif (/^DECLARE_PEM_rw\s*\(\s*(\w*)\s*,/ ||
/^DECLARE_PEM_rw_cb\s*\(\s*(\w*)\s*,/ ||
/^DECLARE_PEM_rw_const\s*\(\s*(\w*)\s*,/ ) {
# Things not in Win16
$def .=
"#INFO:"
.join(',',"!WIN16",@current_platforms).":"
.join(',',@current_algorithms).";";
$def .= "int PEM_read_$1(void);";
$def .= "int PEM_write_$1(void);";
$def .=
"#INFO:"
.join(',',@current_platforms).":"
.join(',',@current_algorithms).";";
# Things that are everywhere
$def .= "int PEM_read_bio_$1(void);";
$def .= "int PEM_write_bio_$1(void);";
next;
} elsif (/^DECLARE_PEM_write\s*\(\s*(\w*)\s*,/ ||
/^DECLARE_PEM_write_cb\s*\(\s*(\w*)\s*,/ ) {
# Things not in Win16
$def .=
"#INFO:"
.join(',',"!WIN16",@current_platforms).":"
.join(',',@current_algorithms).";";
$def .= "int PEM_write_$1(void);";
$def .=
"#INFO:"
.join(',',@current_platforms).":"
.join(',',@current_algorithms).";";
# Things that are everywhere
$def .= "int PEM_write_bio_$1(void);";
next;
} elsif (/^DECLARE_PEM_read\s*\(\s*(\w*)\s*,/ ||
/^DECLARE_PEM_read_cb\s*\(\s*(\w*)\s*,/ ) {
# Things not in Win16
$def .=
"#INFO:"
.join(',',"!WIN16",@current_platforms).":"
.join(',',@current_algorithms).";";
$def .= "int PEM_read_$1(void);";
$def .=
"#INFO:"
.join(',',@current_platforms).":"
.join(',',@current_algorithms).";";
# Things that are everywhere
$def .= "int PEM_read_bio_$1(void);";
next;
} elsif (/^OPENSSL_DECLARE_GLOBAL\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
# Variant for platforms that do not
# have to access globale variables
# in shared libraries through functions
$def .=
"#INFO:"
.join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
.join(',',@current_algorithms).";";
$def .= "OPENSSL_EXTERN int _shadow_$2;";
$def .=
"#INFO:"
.join(',',@current_platforms).":"
.join(',',@current_algorithms).";";
# Variant for platforms that have to
# access globale variables in shared
# libraries through functions
&$make_variant("_shadow_$2","_shadow_$2",
"EXPORT_VAR_AS_FUNCTION",
"FUNCTION");
} elsif ($tag{'CONST_STRICT'} != 1) {
if (/\{|\/\*|\([^\)]*$/) {
$line = $_;
} else {
$def .= $_;
}
}
}
}
close(IN);
my $algs;
my $plays;
print STDERR "DEBUG: postprocessing ----------\n" if $debug;
foreach (split /;/, $def) {
my $s; my $k = "FUNCTION"; my $p; my $a;
s/^[\n\s]*//g;
s/[\n\s]*$//g;
next if(/\#undef/);
next if(/typedef\W/);
next if(/\#define/);
# Reduce argument lists to empty ()
# fold round brackets recursively: (t(*v)(t),t) -> (t{}{},t) -> {}
while(/\(.*\)/s) {
s/\([^\(\)]+\)/\{\}/gs;
s/\(\s*\*\s*(\w+)\s*\{\}\s*\)/$1/gs; #(*f{}) -> f
}
# pretend as we didn't use curly braces: {} -> ()
s/\{\}/\(\)/gs;
s/STACK_OF\(\)/void/gs;
s/LHASH_OF\(\)/void/gs;
print STDERR "DEBUG: \$_ = \"$_\"\n" if $debug;
if (/^\#INFO:([^:]*):(.*)$/) {
$plats = $1;
$algs = $2;
print STDERR "DEBUG: found info on platforms ($plats) and algorithms ($algs)\n" if $debug;
next;
} elsif (/^\s*OPENSSL_EXTERN\s.*?(\w+(\{[0-9]+\})?)(\[[0-9]*\])*\s*$/) {
$s = $1;
$k = "VARIABLE";
print STDERR "DEBUG: found external variable $s\n" if $debug;
} elsif (/TYPEDEF_\w+_OF/s) {
next;
} elsif (/(\w+)\s*\(\).*/s) { # first token prior [first] () is
$s = $1; # a function name!
print STDERR "DEBUG: found function $s\n" if $debug;
} elsif (/\(/ and not (/=/)) {
print STDERR "File $file: cannot parse: $_;\n";
next;
} else {
next;
}
$syms{$s} = 1;
$kind{$s} = $k;
$p = $plats;
$a = $algs;
$a .= ",BF" if($s =~ /EVP_bf/);
$a .= ",CAST" if($s =~ /EVP_cast/);
$a .= ",DES" if($s =~ /EVP_des/);
$a .= ",DSA" if($s =~ /EVP_dss/);
$a .= ",IDEA" if($s =~ /EVP_idea/);
$a .= ",MD2" if($s =~ /EVP_md2/);
$a .= ",MD4" if($s =~ /EVP_md4/);
$a .= ",MD5" if($s =~ /EVP_md5/);
$a .= ",RC2" if($s =~ /EVP_rc2/);
$a .= ",RC4" if($s =~ /EVP_rc4/);
$a .= ",RC5" if($s =~ /EVP_rc5/);
$a .= ",RIPEMD" if($s =~ /EVP_ripemd/);
$a .= ",SHA" if($s =~ /EVP_sha/);
$a .= ",RSA" if($s =~ /EVP_(Open|Seal)(Final|Init)/);
$a .= ",RSA" if($s =~ /PEM_Seal(Final|Init|Update)/);
$a .= ",RSA" if($s =~ /RSAPrivateKey/);
$a .= ",RSA" if($s =~ /SSLv23?_((client|server)_)?method/);
$platform{$s} =
&reduce_platforms((defined($platform{$s})?$platform{$s}.',':"").$p);
$algorithm{$s} .= ','.$a;
if (defined($variant{$s})) {
foreach $v (split /;/,$variant{$s}) {
(my $r, my $p, my $k) = split(/:/,$v);
my $ip = join ',',map({ /^!(.*)$/ ? $1 : "!".$_ } split /,/, $p);
$syms{$r} = 1;
if (!defined($k)) { $k = $kind{$s}; }
$kind{$r} = $k."(".$s.")";
$algorithm{$r} = $algorithm{$s};
$platform{$r} = &reduce_platforms($platform{$s}.",".$p.",".$p);
$platform{$s} = &reduce_platforms($platform{$s}.','.$ip.','.$ip);
print STDERR "DEBUG: \$variant{\"$s\"} = ",$v,"; \$r = $r; \$p = ",$platform{$r},"; \$a = ",$algorithm{$r},"; \$kind = ",$kind{$r},"\n" if $debug;
}
}
print STDERR "DEBUG: \$s = $s; \$p = ",$platform{$s},"; \$a = ",$algorithm{$s},"; \$kind = ",$kind{$s},"\n" if $debug;
}
}
# Prune the returned symbols
delete $syms{"bn_dump1"};
$platform{"BIO_s_log"} .= ",!WIN32,!WIN16,!macintosh";
$platform{"PEM_read_NS_CERT_SEQ"} = "VMS";
$platform{"PEM_write_NS_CERT_SEQ"} = "VMS";
$platform{"PEM_read_P8_PRIV_KEY_INFO"} = "VMS";
$platform{"PEM_write_P8_PRIV_KEY_INFO"} = "VMS";
$platform{"EVP_sha384"} = "!VMSVAX";
$platform{"EVP_sha512"} = "!VMSVAX";
$platform{"SHA384_Init"} = "!VMSVAX";
$platform{"SHA384_Transform"} = "!VMSVAX";
$platform{"SHA384_Update"} = "!VMSVAX";
$platform{"SHA384_Final"} = "!VMSVAX";
$platform{"SHA384"} = "!VMSVAX";
$platform{"SHA512_Init"} = "!VMSVAX";
$platform{"SHA512_Transform"} = "!VMSVAX";
$platform{"SHA512_Update"} = "!VMSVAX";
$platform{"SHA512_Final"} = "!VMSVAX";
$platform{"SHA512"} = "!VMSVAX";