diff options
author | Richard Levitte <levitte@openssl.org> | 2018-09-14 15:28:39 +0200 |
---|---|---|
committer | Richard Levitte <levitte@openssl.org> | 2018-10-04 12:45:40 +0200 |
commit | 30699aa1943b10b265c52334d9f582c04c4eccba (patch) | |
tree | c820264486045952cfb0d3734e08684afd964ec0 /util/mknum.pl | |
parent | 15ba109631254b98d3ef2611a1765e75442314a6 (diff) |
Refactor util/mknum.pl for clearer separation of functionality
Rewrite util/mknum.pl to become cleaner, and to use the separate
generic C header parsing module, as well as the separate ordinals
manipulation module.
Adapt the build files.
Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7191)
Diffstat (limited to 'util/mknum.pl')
-rw-r--r--[-rwxr-xr-x] | util/mknum.pl | 1456 |
1 files changed, 111 insertions, 1345 deletions
diff --git a/util/mknum.pl b/util/mknum.pl index 6d9b9d52a9..a5f96b7373 100755..100644 --- a/util/mknum.pl +++ b/util/mknum.pl @@ -1,1359 +1,125 @@ + #! /usr/bin/env perl -# Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. +# Copyright 2018 The OpenSSL Project Authors. All Rights Reserved. # # Licensed under the OpenSSL license (the "License"). You may not use # this file except in compliance with the License. You can obtain a copy # in the file LICENSE in the source distribution or at # https://www.openssl.org/source/license.html -# -# 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 libcrypto.num and libssl.num, -# The format of these files is: -# -# routine-name nnnn vers info -# -# The "nnnn" and "vers" fields are the numeric id and version for the symbol -# respectively. 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 items, 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. -# +use strict; +use warnings; -use lib "."; -use configdata; -use File::Spec::Functions; -use File::Basename; +use Getopt::Long; use FindBin; use lib "$FindBin::Bin/perl"; -use OpenSSL::Glob; - -my $debug=0; -my $trace=0; -my $verbose=0; - -my $crypto_num= catfile($config{sourcedir},"util","libcrypto.num"); -my $ssl_num= catfile($config{sourcedir},"util","libssl.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 $VMS=0; -my $W32=0; -my $NT=0; -my $UNIX=0; -my $linux=0; -my $aix=0; -# Set this to make typesafe STACK definitions appear in DEF -my $safe_stack_def = 0; - -my @known_platforms = ( "__FreeBSD__", "PERL5", - "EXPORT_VAR_AS_FUNCTION", "_WIN32" - ); -my @known_ossl_platforms = ( "UNIX", "VMS", "WIN32", "WINNT", "OS2" ); -my @known_algorithms = ( # These are algorithms we know are guarded in relevant - # header files, but aren't actually disablable. - # Without these, this script will warn a lot. - "RSA", "MD5", - # @disablables comes from configdata.pm - map { (my $x = uc $_) =~ s|-|_|g; $x; } @disablables, - # Deprecated functions. Not really algorithmss, but - # treated as such here for the sake of simplicity - "DEPRECATEDIN_0_9_8", - "DEPRECATEDIN_1_0_0", - "DEPRECATEDIN_1_1_0", - "DEPRECATEDIN_1_2_0", - ); - -# %disabled comes from configdata.pm -my %disabled_algorithms = - map { (my $x = uc $_) =~ s|-|_|g; $x => 1; } keys %disabled; - -my $apiv = sprintf "%x%02x%02x", split(/\./, $config{api}); -foreach (@known_algorithms) { - if (/^DEPRECATEDIN_(\d+)_(\d+)_(\d+)$/) { - my $depv = sprintf "%x%02x%02x", $1, $2, $3; - $disabled_algorithms{$_} = 1 if $apiv ge $depv; - } -} - -my $zlib; - -foreach (@ARGV, split(/ /, $config{options})) - { - $debug=1 if $_ eq "debug"; - $trace=1 if $_ eq "trace"; - $verbose=1 if $_ eq "verbose"; - $W32=1 if $_ eq "32"; - die "win16 not supported" if $_ eq "16"; - if($_ eq "NT") { - $W32 = 1; - $NT = 1; - } elsif ($_ eq "linux") { - $linux=1; - $UNIX=1; - } elsif ($_ eq "aix") { - $aix=1; - $UNIX=1; - } elsif ($_ eq "VMS") { - $VMS=1; - } - if ($_ eq "zlib" || $_ eq "enable-zlib" || $_ eq "zlib-dynamic" - || $_ eq "enable-zlib-dynamic") { - $zlib = 1; - } - - $do_crypto=1 if $_ eq "libcrypto" || $_ eq "crypto"; - $do_ssl=1 if $_ eq "libssl" || $_ eq "ssl"; - - $do_update=1 if $_ eq "update"; - $do_rewrite=1 if $_ eq "rewrite"; - $do_checkexist=1 if $_ eq "exist"; - } -$libname = $unified_info{sharednames}->{libcrypto} if $do_crypto; -$libname = $unified_info{sharednames}->{libssl} if $do_ssl; - -if (!$libname) { - if ($do_ssl) { - $libname="LIBSSL"; - } - if ($do_crypto) { - $libname="LIBCRYPTO"; - } -} - -if (!$do_ssl && !$do_crypto) - { - print STDERR "usage: $0 ( ssl | crypto )\n"; - exit(1); - } - -%ssl_list=&load_numbers($ssl_num); -$max_ssl = $max_num; -%crypto_list=&load_numbers($crypto_num); -$max_crypto = $max_num; - -my $ssl="include/openssl/ssl.h"; -$ssl.=" include/openssl/sslerr.h"; -$ssl.=" include/openssl/tls1.h"; -$ssl.=" include/openssl/srtp.h"; - -# When scanning include/openssl, skip all SSL files and some internal ones. -my %skipthese; -foreach my $f ( split(/\s+/, $ssl) ) { - $skipthese{$f} = 1; -} -$skipthese{'include/openssl/conf_api.h'} = 1; -$skipthese{'include/openssl/ebcdic.h'} = 1; -$skipthese{'include/openssl/opensslconf.h'} = 1; - -# We use headers found in include/openssl and include/internal only. -# The latter is needed so libssl.so/.dll/.exe can link properly. -my $crypto ="include/internal/dso.h"; -$crypto.=" include/internal/o_dir.h"; -$crypto.=" include/internal/o_str.h"; -$crypto.=" include/internal/err.h"; -$crypto.=" include/internal/sslconf.h"; -foreach my $f ( glob(catfile($config{sourcedir},'include/openssl/*.h')) ) { - my $fn = "include/openssl/" . lc(basename($f)); - $crypto .= " $fn" if !defined $skipthese{$fn}; -} - -my $symhacks="include/openssl/symhacks.h"; - -my @ssl_symbols = &do_defs("LIBSSL", $ssl, $symhacks); -my @crypto_symbols = &do_defs("LIBCRYPTO", $crypto, $symhacks); -if ($do_update) { - -if ($do_ssl == 1) { - - &maybe_add_info("LIBSSL",*ssl_list,@ssl_symbols); - if ($do_rewrite == 1) { - open(OUT, ">$ssl_num"); - &rewrite_numbers(*OUT,"LIBSSL",*ssl_list,@ssl_symbols); - } else { - open(OUT, ">>$ssl_num"); - } - &update_numbers(*OUT,"LIBSSL",*ssl_list,$max_ssl,@ssl_symbols); - close OUT; -} - -if($do_crypto == 1) { - - &maybe_add_info("LIBCRYPTO",*crypto_list,@crypto_symbols); - if ($do_rewrite == 1) { - open(OUT, ">$crypto_num"); - &rewrite_numbers(*OUT,"LIBCRYPTO",*crypto_list,@crypto_symbols); - } else { - open(OUT, ">>$crypto_num"); - } - &update_numbers(*OUT,"LIBCRYPTO",*crypto_list,$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; +use OpenSSL::Ordinals; +use OpenSSL::ParseC; + +my $ordinals_file = undef; # the ordinals file to use +my $symhacks_file = undef; # a symbol hacking file (optional) +my $version = undef; # the version to use for added symbols +my $checkexist = 0; # (unsure yet) +my $warnings = 1; +my $verbose = 0; +my $debug = 0; + +GetOptions('ordinals=s' => \$ordinals_file, + 'symhacks=s' => \$symhacks_file, + 'version=s' => \$version, + 'exist' => \$checkexist, + 'warnings!' => \$warnings, + 'verbose' => \$verbose, + 'debug' => \$debug) + or die "Error in command line arguments\n"; + +die "Please supply ordinals file\n" + unless $ordinals_file; + +my $ordinals = OpenSSL::Ordinals->new(from => $ordinals_file, + warnings => $warnings, + verbose => $verbose, + debug => $debug); +$ordinals->set_version($version); + +my %orig_names = (); +%orig_names = map { $_->name() => 1 } + $ordinals->items(comparator => sub { $_[0] cmp $_[1] }, + filter => sub { $_->exists() }) + if $checkexist; + +# Invalidate all entries, they get revalidated when we re-check below +$ordinals->invalidate(); + +foreach my $f (($symhacks_file // (), @ARGV)) { + print STDERR $f," ","-" x (69 - length($f)),"\n" if $verbose; + open IN, $f || die "Couldn't open $f: $!\n"; + foreach (parse(<IN>, { filename => $f, + warnings => $warnings, + verbose => $verbose, + debug => $debug })) { + $_->{value} = $_->{value}||""; + next if grep { $_ eq 'CONST_STRICT' } @{$_->{conds}}; + printf STDERR "%s> %s%s : %s\n", + $_->{type}, + $_->{name}, + ($_->{type} eq 'M' && defined $symhacks_file && $f eq $symhacks_file + ? ' = ' . $_->{value} + : ''), + join(', ', @{$_->{conds}}) + if $verbose; + if ($_->{type} eq 'M' + && defined $symhacks_file + && $f eq $symhacks_file + && $_->{value} =~ /^\w(?:\w|\d)*/) { + $ordinals->add_alias($_->{value}, $_->{name}, @{$_->{conds}}); + } else { + next if $_->{returntype} =~ /\b(?:ossl_)inline/; + my $type = { + F => 'FUNCTION', + V => 'VARIABLE', + } -> {$_->{type}}; + if ($type) { + $ordinals->add($_->{name}, $type, @{$_->{conds}}); + } + } + } + close IN; +} + +if ($checkexist) { + my %new_names = map { $_->name() => 1 } + $ordinals->items(comparator => sub { $_[0] cmp $_[1] }, + filter => sub { $_->exists() }); + # Eliminate common names + foreach (keys %orig_names) { + next unless exists $new_names{$_}; + delete $orig_names{$_}; + delete $new_names{$_}; + } + if (%orig_names) { + print "The following symbols do not seem to exist in code:\n"; + foreach (sort keys %orig_names) { + print "\t$_\n"; + } + } + if (%new_names) { + print "The following existing symbols are not in ordinals file:\n"; + foreach (sort keys %new_names) { + print "\t$_\n"; + } + } } else { - print STDERR "Nothing to do\n"; -} - - -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 = (); - my $parens = 0; - - foreach $file (split(/\s+/,$symhacksfile." ".$files)) - { - my $fn = catfile($config{sourcedir},$file); - print STDERR "DEBUG: starting on $fn:\n" if $debug; - print STDERR "TRACE: start reading $fn\n" if $trace; - open(IN,"<$fn") || die "Can't open $fn, $!,"; - my $line = "", my $def= ""; - my %tag = ( - (map { $_ => 0 } @known_platforms), - (map { "OPENSSL_SYS_".$_ => 0 } @known_ossl_platforms), - (map { "OPENSSL_NO_".$_ => 0 } @known_algorithms), - (map { "OPENSSL_USE_".$_ => 0 } @known_algorithms), - (grep /^DEPRECATED_/, @known_algorithms), - NOPROTO => 0, - PERL5 => 0, - _WINDLL => 0, - CONST_STRICT => 0, - TRUE => 1, - ZLIB => 0, - ); - 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 $debug; - while(<IN>) { - s|\R$||; # Better chomp - if($parens > 0) { - #Inside a DEPRECATEDIN - $stored_multiline .= $_; - print STDERR "DEBUG: Continuing multiline DEPRECATEDIN: $stored_multiline\n" if $debug; - $parens = count_parens($stored_multiline); - if ($parens == 0) { - $def .= do_deprecated($stored_multiline, - \@current_platforms, - \@current_algorithms); - } - next; - } - if (/\/\* Error codes for the \w+ functions\. \*\//) - { - undef @tag; - last; - } - if ($line ne '') { - $_ = $line . $_; - $line = ''; - } - - if (/\\$/) { - $line = $`; # keep what was before the backslash - next; - } - - if(/\/\*/) { - if (not /\*\//) { # multi-line comment... - $line = $_; # ... just accumulate - next; - } else { - s/\/\*.*?\*\///gs;# wipe it - } - } - - if ($cpp) { - $cpp++ if /^#\s*if/; - $cpp-- if /^#\s*endif/; - next; - } - if (/^#.*ifdef.*cplusplus/) { - $cpp = 1; - next; - } - - s/{[^{}]*}//gs; # ignore {} blocks - print STDERR "DEBUG: \$def=\"$def\"\n" if $debug && $def ne ""; - print STDERR "DEBUG: \$_=\"$_\"\n" if $debug; - if (/^\#\s*if\s+OPENSSL_API_COMPAT\s*(\S)\s*(0x[0-9a-fA-F]{8})L\s*$/) { - my $op = $1; - my $v = hex($2); - if ($op ne '<' && $op ne '>=') { - die "$file unacceptable operator $op: $_\n"; - } - my ($one, $major, $minor) = - ( ($v >> 28) & 0xf, - ($v >> 20) & 0xff, - ($v >> 12) & 0xff ); - my $t = "DEPRECATEDIN_${one}_${major}_${minor}"; - push(@tag,"-"); - push(@tag,$t); - $tag{$t}=($op eq '<' ? 1 : -1); - print STDERR "DEBUG: $file: found tag $t = $tag{$t}\n" if $debug; - } elsif (/^\#\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\s*\(([^\)]+)\)/) { - push(@tag,"-"); - if (/^\#\s*if\s+(!defined\s*\(([^\)]+)\)(\s+\&\&\s+!defined\s*\(([^\)]+)\))*)$/) { - my $tmp_1 = $1; - my $tmp_; - foreach $tmp_ (split '\&\&',$tmp_1) { - $tmp_ =~ /!defined\s*\(([^\)]+)\)/; - print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug; - push(@tag,$1); - $tag{$1}=-1; - } - } else { - print STDERR "Warning: $file: taking only '!defined($1)' of complicated expression: $_" if $verbose; # 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\s*\(([^\)]+)\)/) { - push(@tag,"-"); - if (/^\#\s*if\s+(defined\s*\(([^\)]+)\)(\s+\|\|\s+defined\s*\(([^\)]+)\))*)$/) { - my $tmp_1 = $1; - my $tmp_; - foreach $tmp_ (split '\|\|',$tmp_1) { - $tmp_ =~ /defined\s*\(([^\)]+)\)/; - print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug; - push(@tag,$1); - $tag{$1}=1; - } - } else { - print STDERR "Warning: $file: taking only 'defined($1)' of complicated expression: $_\n" if $verbose; # 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: changed 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=$1; - } elsif($t =~ /^OPENSSL_USE_([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 = $#tag; - die "$file unmatched else\n" if $tag_i < 0; - while($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*if\s+/) { - #Some other unrecognized "if" style - push(@tag,"-"); - print STDERR "Warning: $file: ignoring unrecognized expression: $_\n" if $verbose; # because it is O... - } 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 ? "!".$_ : "" } - @known_ossl_platforms); - @current_algorithms = (); - @current_algorithms = - grep(!/^$/, - map { $tag{"OPENSSL_NO_".$_} == -1 ? $_ : "" } - @known_algorithms); - push @current_algorithms - , grep(!/^$/, - map { $tag{"OPENSSL_USE_".$_} == 1 ? $_ : "" } - @known_algorithms); - push @current_algorithms, - grep { /^DEPRECATEDIN_/ && $tag{$_} == 1 } - @known_algorithms; - push @current_algorithms, "ZLIB" - if $tag{ZLIB} == 1; - $def .= - "#INFO:" - .join(',',@current_platforms).":" - .join(',',@current_algorithms).";"; - next; - } - if ($tag{'TRUE'} != -1) { - if (/^\s*DEFINE_STACK_OF\s*\(\s*(\w*)\s*\)/ - || /^\s*DEFINE_STACK_OF_CONST\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 global variables - # in shared libraries through functions - $def .= - "#INFO:" - .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":" - .join(',',@current_algorithms).";"; - $def .= "OPENSSL_EXTERN int $2_it;"; - $def .= - "#INFO:" - .join(',',@current_platforms).":" - .join(',',@current_algorithms).";"; - # Variant for platforms that have to - # access global variables in shared - # libraries through functions - &$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 global variables - # in shared libraries through functions - $def .= - "#INFO:" - .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":" - .join(',',@current_algorithms).";"; - $def .= "OPENSSL_EXTERN int $2_it;"; - $def .= - "#INFO:" - .join(',',@current_platforms).":" - .join(',',@current_algorithms).";"; - # Variant for platforms that have to - # access global variables in shared - # libraries through functions - &$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 global variables - # in shared libraries through functions - $def .= - "#INFO:" - .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":" - .join(',',@current_algorithms).";"; - $def .= "OPENSSL_EXTERN int $1_it;"; - $def .= - "#INFO:" - .join(',',@current_platforms).":" - .join(',',@current_algorithms).";"; - # Variant for platforms that have to - # access global variables in shared - # libraries through functions - &$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 global variables - # in shared libraries through functions - $def .= - "#INFO:" - .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":" - .join(',',@current_algorithms).";"; - $def .= "OPENSSL_EXTERN int $2_it;"; - $def .= - "#INFO:" - .join(',',@current_platforms).":" - .join(',',@current_algorithms).";"; - # Variant for platforms that have to - # access global variables in shared - # libraries through functions - &$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 global variables - # in shared libraries through functions - $def .= - "#INFO:" - .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":" - .join(',',@current_algorithms).";"; - $def .= "OPENSSL_EXTERN int $2_it;"; - $def .= - "#INFO:" - .join(',',@current_platforms).":" - .join(',',@current_algorithms).";"; - # Variant for platforms that have to - # access global variables in shared - # libraries through functions - &$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 global variables - # in shared libraries through functions - $def .= - "#INFO:" - .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":" - .join(',',@current_algorithms).";"; - $def .= "OPENSSL_EXTERN int $1_it;"; - $def .= - "#INFO:" - .join(',',@current_platforms).":" - .join(',',@current_algorithms).";"; - # Variant for platforms that have to - # access global variables in shared - # libraries through functions - &$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*,/ ) { - $def .= - "#INFO:" - .join(',',@current_platforms).":" - .join(',',"STDIO",@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_const\s*\(\s*(\w*)\s*,/ || - /^DECLARE_PEM_write_cb\s*\(\s*(\w*)\s*,/ ) { - $def .= - "#INFO:" - .join(',',@current_platforms).":" - .join(',',"STDIO",@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*,/ ) { - $def .= - "#INFO:" - .join(',',@current_platforms).":" - .join(',',"STDIO",@current_algorithms).";"; - $def .= "int PEM_read_$1(void);"; - $def .= - "#INFO:" - .join(',',@current_platforms).":" - .join(',',"STDIO",@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 global variables - # in shared libraries through functions - $def .= - "#INFO:" - .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":" - .join(',',@current_algorithms).";"; - $def .= "OPENSSL_EXTERN int _shadow_$2;"; - $def .= - "#INFO:" - .join(',',@current_platforms).":" - .join(',',@current_algorithms).";"; - # Variant for platforms that have to - # access global variables in shared - # libraries through functions - &$make_variant("_shadow_$2","_shadow_$2", - "EXPORT_VAR_AS_FUNCTION", - "FUNCTION"); - } elsif (/^\s*DEPRECATEDIN/) { - $parens = count_parens($_); - if ($parens == 0) { - $def .= do_deprecated($_, - \@current_platforms, - \@current_algorithms); - } else { - $stored_multiline = $_; - print STDERR "DEBUG: Found multiline DEPRECATEDIN starting with: $stored_multiline\n" if $debug; - next; - } - } elsif ($tag{'CONST_STRICT'} != 1) { - if (/\{|\/\*|\([^\)]*$/) { - $line = $_; - } else { - $def .= $_; - } - } - } - } - close(IN); - die "$file: Unmatched tags\n" if $#tag >= 0; - - 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/); - - print STDERR "TRACE: processing $_\n" if $trace && !/^\#INFO:/; - # Reduce argument lists to empty () - # fold round brackets recursively: (t(*v)(t),t) -> (t{}{},t) -> {} - my $nsubst = 1; # prevent infinite loop, e.g., on int fn() - while($nsubst && /\(.*\)/s) { - $nsubst = s/\([^\(\)]+\)/\{\}/gs; - $nsubst+= 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; - - $platform{$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,!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"; - - # Info we know about - - push @ret, map { $_."\\".&info_string($_,"EXIST", - $platform{$_}, - $kind{$_}, - $algorithm{$_}) } keys %syms; - - if (keys %unknown_algorithms) { - print STDERR "WARNING: mkdef.pl doesn't know the following algorithms:\n"; - print STDERR "\t",join("\n\t",keys %unknown_algorithms),"\n"; - } - return(@ret); -} - -# Param: string of comma-separated platform-specs. -sub reduce_platforms -{ - my ($platforms) = @_; - my $pl = defined($platforms) ? $platforms : ""; - my %p = map { $_ => 0 } split /,/, $pl; - my $ret; - - print STDERR "DEBUG: Entered reduce_platforms with \"$platforms\"\n" - if $debug; - # We do this, because if there's code like the following, it really - # means the function exists in all cases and should therefore be - # everywhere. By increasing and decreasing, we may attain 0: - # - # ifndef WIN16 - # int foo(); - # else - # int _fat foo(); - # endif - foreach $platform (split /,/, $pl) { - if ($platform =~ /^!(.*)$/) { - $p{$1}--; - } else { - $p{$platform}++; - } - } - foreach $platform (keys %p) { - if ($p{$platform} == 0) { delete $p{$platform}; } - } - - delete $p{""}; - - $ret = join(',',sort(map { $p{$_} < 0 ? "!".$_ : $_ } keys %p)); - print STDERR "DEBUG: Exiting reduce_platforms with \"$ret\"\n" - i |