X-Git-Url: https://git.openssl.org/?a=blobdiff_plain;f=util%2Fmkdef.pl;h=bcf875f546fd2256be49c394bc7ef0bca6cfb79a;hb=c47c6196802a5d018665f8f5617986bcaa6a1787;hp=1a51f677bd878ecabfb4cae2e7e837ad9136a0ec;hpb=e41c8d6ad4d1ffab51865d8cf90baff108bbe4a1;p=openssl.git diff --git a/util/mkdef.pl b/util/mkdef.pl index 1a51f677bd..bcf875f546 100755 --- a/util/mkdef.pl +++ b/util/mkdef.pl @@ -5,21 +5,87 @@ # 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 replacements 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. This script assumes those redefinitions are place in the file +# crypto/symhacks.h. +# The semantics for the platforms list is a bit complicated. The rule of +# thumb is that the list is exclusive, but it seems to mean different things. +# So, if the list is all negatives (like "!VMS,!WIN16"), the symbol exists +# on all platforms except those listed. If the list is all positives (like +# "VMS,WIN16"), the symbol exists only on those platforms and nowhere else. +# The combination of positives and negatives will act as if the positives +# weren't there. +# - "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 $crypto_num="util/libeay.num"; -my $ssl_num= "util/ssleay.num"; +my $crypto_num= "util/libeay.num"; +my $ssl_num= "util/ssleay.num"; my $do_update = 0; +my $do_rewrite = 0; my $do_crypto = 0; my $do_ssl = 0; my $do_ctest = 0; -my $rsaref = 0; +my $do_ctestall = 0; +my $do_checkexist = 0; -my $W32=1; +my $VMS=0; +my $W32=0; +my $W16=0; my $NT=0; # Set this to make typesafe STACK definitions appear in DEF my $safe_stack_def = 0; +my @known_platforms = ( "__FreeBSD__", "VMS", "WIN16", "WIN32", + "WINNT", "PERL5", "NeXT" ); +my @known_algorithms = ( "RC2", "RC4", "RC5", "IDEA", "DES", "BF", + "CAST", "MD2", "MD4", "MD5", "SHA", "SHA0", "SHA1", + "RIPEMD", + "MDC2", "RSA", "DSA", "DH", "HMAC", "AES", + # Envelope "algorithms" + "EVP", "X509", "ASN1_TYPEDEFS", + # Helper "algorithms" + "BIO", "COMP", "BUFFER", "LHASH", "STACK", "ERR", + "LOCKING", + # External "algorithms" + "FP_API", "STDIO", "SOCK", "KRB5" ); + my $options=""; open(IN,") { @@ -31,34 +97,41 @@ close(IN); # 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_md2; 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_cast; +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_fp_api; foreach (@ARGV, split(/ /, $options)) { $W32=1 if $_ eq "32"; - $W32=0 if $_ eq "16"; + $W16=1 if $_ eq "16"; if($_ eq "NT") { $W32 = 1; $NT = 1; } + $VMS=1 if $_ eq "VMS"; + $do_ssl=1 if $_ eq "ssleay"; $do_ssl=1 if $_ eq "ssl"; $do_crypto=1 if $_ eq "libeay"; $do_crypto=1 if $_ eq "crypto"; $do_update=1 if $_ eq "update"; + $do_rewrite=1 if $_ eq "rewrite"; $do_ctest=1 if $_ eq "ctest"; - $rsaref=1 if $_ eq "rsaref"; - $safe_stack_def=1 if $_ eq "-DDEBUG_SAFESTACK"; + $do_ctestall=1 if $_ eq "ctestall"; + $do_checkexist=1 if $_ eq "exist"; + #$safe_stack_def=1 if $_ eq "-DDEBUG_SAFESTACK"; if (/^no-rc2$/) { $no_rc2=1; } elsif (/^no-rc4$/) { $no_rc4=1; } elsif (/^no-rc5$/) { $no_rc5=1; } elsif (/^no-idea$/) { $no_idea=1; } - elsif (/^no-des$/) { $no_des=1; } + elsif (/^no-des$/) { $no_des=1; $no_mdc2=1; } elsif (/^no-bf$/) { $no_bf=1; } elsif (/^no-cast$/) { $no_cast=1; } elsif (/^no-md2$/) { $no_md2=1; } + elsif (/^no-md4$/) { $no_md4=1; } elsif (/^no-md5$/) { $no_md5=1; } elsif (/^no-sha$/) { $no_sha=1; } elsif (/^no-ripemd$/) { $no_ripemd=1; } @@ -67,12 +140,32 @@ foreach (@ARGV, split(/ /, $options)) elsif (/^no-dsa$/) { $no_dsa=1; } elsif (/^no-dh$/) { $no_dh=1; } elsif (/^no-hmac$/) { $no_hmac=1; } + elsif (/^no-aes$/) { $no_aes=1; } + elsif (/^no-evp$/) { $no_evp=1; } + elsif (/^no-lhash$/) { $no_lhash=1; } + elsif (/^no-stack$/) { $no_stack=1; } + elsif (/^no-err$/) { $no_err=1; } + elsif (/^no-buffer$/) { $no_buffer=1; } + elsif (/^no-bio$/) { $no_bio=1; } + #elsif (/^no-locking$/) { $no_locking=1; } + elsif (/^no-comp$/) { $no_comp=1; } + elsif (/^no-dso$/) { $no_dso=1; } } +# If no platform is given, assume WIN32 +if ($W32 + $W16 + $VMS == 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 ] [rsaref]\n"; + print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT ]\n"; exit(1); } @@ -82,6 +175,7 @@ $max_ssl = $max_num; $max_crypto = $max_num; my $ssl="ssl/ssl.h"; +$ssl.=" ssl/kssl.h"; my $crypto ="crypto/crypto.h"; $crypto.=" crypto/des/des.h" unless $no_des; @@ -92,10 +186,13 @@ $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/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/rijndael/rijndael.h" unless $no_aes; +$crypto.=" crypto/rijndael/rd_fst.h" unless $no_aes; $crypto.=" crypto/bn/bn.h"; $crypto.=" crypto/rsa/rsa.h" unless $no_rsa; @@ -103,49 +200,73 @@ $crypto.=" crypto/dsa/dsa.h" unless $no_dsa; $crypto.=" crypto/dh/dh.h" unless $no_dh; $crypto.=" crypto/hmac/hmac.h" unless $no_hmac; -$crypto.=" crypto/stack/stack.h"; -$crypto.=" crypto/buffer/buffer.h"; -$crypto.=" crypto/bio/bio.h"; -$crypto.=" crypto/dso/dso.h"; -$crypto.=" crypto/lhash/lhash.h"; +$crypto.=" crypto/engine/engine.h"; +$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"; +$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"; +$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"; $crypto.=" crypto/rand/rand.h"; -$crypto.=" crypto/comp/comp.h"; +$crypto.=" crypto/comp/comp.h" unless $no_comp; +$crypto.=" crypto/ocsp/ocsp.h"; $crypto.=" crypto/tmdiff.h"; -my @ssl_func = &do_defs("SSLEAY", $ssl); -my @crypto_func = &do_defs("LIBEAY", $crypto); +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 ($do_ssl == 1) { - open(OUT, ">>$ssl_num"); - &update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl, @ssl_func); + + &maybe_add_info("SSLEAY",*ssl_list,@ssl_symbols); + if ($do_rewrite == 1) { + open(OUT, ">$ssl_num"); + &rewrite_numbers(*OUT,"SSLEAY",*ssl_list,@ssl_symbols); + close OUT; + } else { + open(OUT, ">>$ssl_num"); + } + &update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl,@ssl_symbols); close OUT; } if($do_crypto == 1) { - open(OUT, ">>$crypto_num"); - &update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto, @crypto_func); + + &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 ($do_ctest) { +} elsif ($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 || $do_ctestall) { print <<"EOF"; @@ -156,20 +277,20 @@ if($do_crypto == 1) { int main() { EOF - &print_test_file(*STDOUT,"SSLEAY",*ssl_list,@ssl_func) + &print_test_file(*STDOUT,"SSLEAY",*ssl_list,$do_ctestall,@ssl_symbols) if $do_ssl == 1; - &print_test_file(*STDOUT,"LIBEAY",*crypto_list,@crypto_func) + &print_test_file(*STDOUT,"LIBEAY",*crypto_list,$do_ctestall,@crypto_symbols) if $do_crypto == 1; print "}\n"; } else { - &print_def_file(*STDOUT,"SSLEAY",*ssl_list,@ssl_func) + &print_def_file(*STDOUT,"SSLEAY",*ssl_list,@ssl_symbols) if $do_ssl == 1; - &print_def_file(*STDOUT,"LIBEAY",*crypto_list,@crypto_func) + &print_def_file(*STDOUT,"LIBEAY",*crypto_list,@crypto_symbols) if $do_crypto == 1; } @@ -177,42 +298,31 @@ EOF sub do_defs { - my($name,$files)=@_; + my($name,$files,$symhacksfile)=@_; my $file; my @ret; - my %funcs; + 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 %rename; my $cpp; + my %unknown_algorithms = (); - foreach $file (split(/\s+/,$files)) + foreach $file (split(/\s+/,$symhacksfile." ".$files)) { open(IN,"<$file") || die "unable to open $file:$!\n"; my $line = "", my $def= ""; my %tag = ( - FreeBSD => 0, + (map { $_ => 0 } @known_platforms), + (map { "NO_".$_ => 0 } @known_algorithms), NOPROTO => 0, - WIN16 => 0, PERL5 => 0, _WINDLL => 0, - NO_FP_API => 0, CONST_STRICT => 0, TRUE => 1, - NO_RC2 => 0, - NO_RC4 => 0, - NO_RC5 => 0, - NO_IDEA => 0, - NO_DES => 0, - NO_BF => 0, - NO_CAST => 0, - NO_MD2 => 0, - NO_MD5 => 0, - NO_SHA => 0, - NO_RIPEMD => 0, - NO_MDC2 => 0, - NO_RSA => 0, - NO_DSA => 0, - NO_DH => 0, - NO_HMAC => 0, ); + my $symhacking = $file eq $symhacksfile; while() { last if (/BEGIN ERROR CODES/); if ($line ne '') { @@ -225,134 +335,196 @@ sub do_defs next; } - $cpp = 1 if /^#.*ifdef.*cplusplus/; + $cpp = 1 if /^\#.*ifdef.*cplusplus/; if ($cpp) { - $cpp = 0 if /^#.*endif/; + $cpp = 0 if /^\#.*endif/; next; } s/\/\*.*?\*\///gs; # ignore comments s/{[^{}]*}//gs; # ignore {} blocks - if (/^\#\s*ifndef (.*)/) { + #print STDERR "DEBUG: \$_=\"$_\"\n"; + if (/^\#\s*ifndef\s+(.*)/) { push(@tag,$1); $tag{$1}=-1; - next; - } elsif (/^\#\s*if !defined\(([^\)]+)\)/) { + } elsif (/^\#\s*if\s+!defined\(([^\)]+)\)/) { push(@tag,$1); $tag{$1}=-1; - next; - } elsif (/^\#\s*ifdef (.*)/) { + } elsif (/^\#\s*ifdef\s+(.*)/) { push(@tag,$1); $tag{$1}=1; - next; - } elsif (/^\#\s*if defined(.*)/) { + } elsif (/^\#\s*if\s+defined\(([^\)]+)\)/) { push(@tag,$1); $tag{$1}=1; - next; + } elsif (/^\#\s*error\s+(\w+) is disabled\./) { + if ($tag[$#tag] eq "NO_".$1) { + $tag{$tag[$#tag]}=2; + } } elsif (/^\#\s*endif/) { - $tag{$tag[$#tag]}=0; + my $oldtag=$tag[$#tag]; + #print STDERR "DEBUG: \$oldtag=\"$oldtag\"\n"; + if ($tag{$tag[$#tag]}==2) { + $tag{$tag[$#tag]}=-1; + } else { + $tag{$tag[$#tag]}=0; + } pop(@tag); - next; + if ($oldtag =~ /^NO_([A-Z0-9_]+)$/) { + $oldtag=$1; + } else { + $oldtag=""; + } + if ($oldtag ne "" + && !grep(/^$oldtag$/, @known_algorithms)) { + $unknown_algorithms{$oldtag} = 1; + #print STDERR "DEBUG: Added as unknown algorithm: $oldtag\n"; + } } elsif (/^\#\s*else/) { my $t=$tag[$#tag]; $tag{$t}= -$tag{$t}; - next; } elsif (/^\#\s*if\s+1/) { # Dummy tag push(@tag,"TRUE"); $tag{"TRUE"}=1; - next; } elsif (/^\#\s*if\s+0/) { # Dummy tag push(@tag,"TRUE"); $tag{"TRUE"}=-1; - next; - } elsif (/^\#/) { + } elsif (/^\#\s*define\s+(\w+)\s+(\w+)/ + && $symhacking) { + my $s = $1; + my $a = + $2.":".join(",", grep(!/^$/, + map { $tag{$_} == 1 ? + $_ : "" } + @known_platforms)); + $rename{$s} = $a; + } + if (/^\#/) { + my @p = grep(!/^$/, + map { $tag{$_} == 1 ? $_ : + $tag{$_} == -1 ? "!".$_ : "" } + @known_platforms); + my @a = grep(!/^$/, + map { $tag{"NO_".$_} == -1 ? $_ : "" } + @known_algorithms); + $def .= "#INFO:".join(',',@p).":".join(',',@a).";"; next; } - if ($safe_stack_def && - /^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) { - $funcs{"sk_${1}_new"} = 1; - $funcs{"sk_${1}_new_null"} = 1; - $funcs{"sk_${1}_free"} = 1; - $funcs{"sk_${1}_num"} = 1; - $funcs{"sk_${1}_value"} = 1; - $funcs{"sk_${1}_set"} = 1; - $funcs{"sk_${1}_zero"} = 1; - $funcs{"sk_${1}_push"} = 1; - $funcs{"sk_${1}_unshift"} = 1; - $funcs{"sk_${1}_find"} = 1; - $funcs{"sk_${1}_delete"} = 1; - $funcs{"sk_${1}_delete_ptr"} = 1; - $funcs{"sk_${1}_insert"} = 1; - $funcs{"sk_${1}_set_cmp_func"} = 1; - $funcs{"sk_${1}_dup"} = 1; - $funcs{"sk_${1}_pop_free"} = 1; - $funcs{"sk_${1}_shift"} = 1; - $funcs{"sk_${1}_pop"} = 1; - $funcs{"sk_${1}_sort"} = 1; - } elsif ($safe_stack_def && - /^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) { - $funcs{"d2i_ASN1_SET_OF_${1}"} = 1; - $funcs{"i2d_ASN1_SET_OF_${1}"} = 1; + if (/^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) { + next; + } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) { + $syms{"d2i_$3"} = 1; + $syms{"i2d_$3"} = 1; + $syms{"$2_it"} = 1; + $kind{"$2_it"} = "VARIABLE"; + next; + } elsif (/^\s*DECLARE_ASN1_FUNCTIONS_fname\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) { + $syms{"d2i_$3"} = 1; + $syms{"i2d_$3"} = 1; + $syms{"$3_new"} = 1; + $syms{"$3_free"} = 1; + $syms{"$2_it"} = 1; + $kind{"$2_it"} = "VARIABLE"; + } elsif (/^\s*DECLARE_ASN1_FUNCTIONS\s*\(\s*(\w*)\s*\)/ || + /^\s*DECLARE_ASN1_FUNCTIONS_const\s*\(\s*(\w*)\s*\)/) { + $syms{"d2i_$1"} = 1; + $syms{"i2d_$1"} = 1; + $syms{"$1_new"} = 1; + $syms{"$1_free"} = 1; + $syms{"$1_it"} = 1; + $kind{"$1_it"} = "VARIABLE"; + next; + } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS_const\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) { + $syms{"d2i_$2"} = 1; + $syms{"i2d_$2"} = 1; + $syms{"$2_it"} = 1; + $kind{"$2_it"} = "VARIABLE"; + next; + } elsif (/^\s*DECLARE_ASN1_FUNCTIONS_name\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) { + $syms{"d2i_$2"} = 1; + $syms{"i2d_$2"} = 1; + $syms{"$2_new"} = 1; + $syms{"$2_free"} = 1; + $syms{"$2_it"} = 1; + $kind{"$2_it"} = "VARIABLE"; + next; + } elsif (/^\s*DECLARE_ASN1_ITEM\s*\(\s*(\w*)\s*,(\w*)\s*\)/) { + $syms{"$1_it"} = 1; + $kind{"$1_it"} = "VARIABLE"; + next; + } elsif (/^\s*DECLARE_PKCS12_STACK_OF\s*\(\s*(\w*)\s*\)/) { + next; + } elsif (/^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) { + next; } elsif (/^DECLARE_PEM_rw\s*\(\s*(\w*)\s*,/ || - /^DECLARE_PEM_rw_cb\s*\(\s*(\w*)\s*,/ ) { - if (!($no_rsa && ($1 eq "RSAPrivateKey" || - $1 eq "RSAPublicKey" || - $1 eq "RSA_PUBKEY"))) { - if($W32) { - $funcs{"PEM_read_${1}"} = 1; - $funcs{"PEM_write_${1}"} = 1; - } - $funcs{"PEM_read_bio_${1}"} = 1; - $funcs{"PEM_write_bio_${1}"} = 1; + /^DECLARE_PEM_rw_cb\s*\(\s*(\w*)\s*,/ ) { + # Things not in Win16 + $syms{"PEM_read_${1}"} = 1; + $platform{"PEM_read_${1}"} = "!WIN16"; + $syms{"PEM_write_${1}"} = 1; + $platform{"PEM_write_${1}"} = "!WIN16"; + # Things that are everywhere + $syms{"PEM_read_bio_${1}"} = 1; + $syms{"PEM_write_bio_${1}"} = 1; + if ($1 eq "RSAPrivateKey" || + $1 eq "RSAPublicKey" || + $1 eq "RSA_PUBKEY") { + $algorithm{"PEM_read_${1}"} = "RSA"; + $algorithm{"PEM_write_${1}"} = "RSA"; + $algorithm{"PEM_read_bio_${1}"} = "RSA"; + $algorithm{"PEM_write_bio_${1}"} = "RSA"; + } + elsif ($1 eq "DSAPrivateKey" || + $1 eq "DSAparams" || + $1 eq "RSA_PUBKEY") { + $algorithm{"PEM_read_${1}"} = "DSA"; + $algorithm{"PEM_write_${1}"} = "DSA"; + $algorithm{"PEM_read_bio_${1}"} = "DSA"; + $algorithm{"PEM_write_bio_${1}"} = "DSA"; + } + elsif ($1 eq "DHparams") { + $algorithm{"PEM_read_${1}"} = "DH"; + $algorithm{"PEM_write_${1}"} = "DH"; + $algorithm{"PEM_read_bio_${1}"} = "DH"; + $algorithm{"PEM_write_bio_${1}"} = "DH"; } } elsif (/^DECLARE_PEM_write\s*\(\s*(\w*)\s*,/ || /^DECLARE_PEM_write_cb\s*\(\s*(\w*)\s*,/ ) { - if (!($no_rsa && ($1 eq "RSAPrivateKey" || - $1 eq "RSAPublicKey" || - $1 eq "RSA_PUBKEY"))) { - if($W32) { - $funcs{"PEM_write_${1}"} = 1; - } - $funcs{"PEM_write_bio_${1}"} = 1; + # Things not in Win16 + $syms{"PEM_write_${1}"} = 1; + $platform{"PEM_write_${1}"} .= ",!WIN16"; + # Things that are everywhere + $syms{"PEM_write_bio_${1}"} = 1; + if ($1 eq "RSAPrivateKey" || + $1 eq "RSAPublicKey" || + $1 eq "RSA_PUBKEY") { + $algorithm{"PEM_write_${1}"} = "RSA"; + $algorithm{"PEM_write_bio_${1}"} = "RSA"; + } + elsif ($1 eq "DSAPrivateKey" || + $1 eq "DSAparams" || + $1 eq "RSA_PUBKEY") { + $algorithm{"PEM_write_${1}"} = "DSA"; + $algorithm{"PEM_write_bio_${1}"} = "DSA"; + } + elsif ($1 eq "DHparams") { + $algorithm{"PEM_write_${1}"} = "DH"; + $algorithm{"PEM_write_bio_${1}"} = "DH"; } } elsif (/^DECLARE_PEM_read\s*\(\s*(\w*)\s*,/ || /^DECLARE_PEM_read_cb\s*\(\s*(\w*)\s*,/ ) { - if($W32) { - $funcs{"PEM_read_${1}"} = 1; - } - $funcs{"PEM_read_bio_${1}"} = 1; + # Things not in Win16 + $syms{"PEM_read_${1}"} = 1; + $platform{"PEM_read_${1}"} .= ",!WIN16"; + # Things that are everywhere + $syms{"PEM_read_bio_${1}"} = 1; } elsif ( - ($tag{'TRUE'} != -1) && - ($tag{'FreeBSD'} != 1) && - ($tag{'CONST_STRICT'} != 1) && - (($W32 && ($tag{'WIN16'} != 1)) || - (!$W32 && ($tag{'WIN16'} != -1))) && - ($tag{'PERL5'} != 1) && -# ($tag{'_WINDLL'} != -1) && - ((!$W32 && $tag{'_WINDLL'} != -1) || - ($W32 && $tag{'_WINDLL'} != 1)) && - ((($tag{'NO_FP_API'} != 1) && $W32) || - (($tag{'NO_FP_API'} != -1) && !$W32)) && - ($tag{'NO_RC2'} == 0 || !$no_rc2) && - ($tag{'NO_RC4'} == 0 || !$no_rc4) && - ($tag{'NO_RC5'} == 0 || !$no_rc5) && - ($tag{'NO_IDEA'} == 0 || !$no_idea) && - ($tag{'NO_DES'} == 0 || !$no_des) && - ($tag{'NO_BF'} == 0 || !$no_bf) && - ($tag{'NO_CAST'} == 0 || !$no_cast) && - ($tag{'NO_MD2'} == 0 || !$no_md2) && - ($tag{'NO_MD5'} == 0 || !$no_md5) && - ($tag{'NO_SHA'} == 0 || !$no_sha) && - ($tag{'NO_RIPEMD'} == 0 || !$no_ripemd) && - ($tag{'NO_MDC2'} == 0 || !$no_mdc2) && - ($tag{'NO_RSA'} == 0 || !$no_rsa) && - ($tag{'NO_DSA'} == 0 || !$no_dsa) && - ($tag{'NO_DH'} == 0 || !$no_dh) && - ($tag{'NO_HMAC'} == 0 || !$no_hmac)) + ($tag{'TRUE'} != -1) + && ($tag{'CONST_STRICT'} != 1) + ) { - if (/{|\/\*/) { # } + if (/\{|\/\*|\([^\)]*$/) { $line = $_; } else { $def .= $_; @@ -361,30 +533,26 @@ sub do_defs } close(IN); + my $algs; + my $plays; + foreach (split /;/, $def) { + my $s; my $k = "FUNCTION"; my $p; my $a; s/^[\n\s]*//g; s/[\n\s]*$//g; - next if(/#define/); + next if(/\#undef/); next if(/typedef\W/); - next if(/EVP_bf/ and $no_bf); - next if(/EVP_cast/ and $no_cast); - next if(/EVP_des/ and $no_des); - next if(/EVP_dss/ and $no_dsa); - next if(/EVP_idea/ and $no_idea); - next if(/EVP_md2/ and $no_md2); - next if(/EVP_md5/ and $no_md5); - next if(/EVP_rc2/ and $no_rc2); - next if(/EVP_rc4/ and $no_rc4); - next if(/EVP_rc5/ and $no_rc5); - next if(/EVP_ripemd/ and $no_ripemd); - next if(/EVP_sha/ and $no_sha); - next if(/EVP_(Open|Seal)(Final|Init)/ and $no_rsa); - next if(/PEM_Seal(Final|Init|Update)/ and $no_rsa); - next if(/RSAPrivateKey/ and $no_rsa); - next if(/SSLv23?_((client|server)_)?method/ and $no_rsa); - - if (/\(\*(\w*)\([^\)]+/) { - $funcs{$1} = 1; + next if(/\#define/); + + if (/^\#INFO:([^:]*):(.*)$/) { + $plats = $1; + $algs = $2; + next; + } elsif (/^\s*OPENSSL_EXTERN\s.*?(\w+)(\[[0-9]*\])*\s*$/) { + $s = $1; + $k = "VARIABLE"; + } elsif (/\(\*(\w*)\([^\)]+/) { + $s = $1; } elsif (/\w+\W+(\w+)\W*\(\s*\)$/s) { # K&R C next; @@ -395,66 +563,197 @@ sub do_defs } s/\(void\)//; /(\w+)\W*\(\)/s; - $funcs{$1} = 1; + $s = $1; } 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} .= ','.$p; + $algorithm{$s} .= ','.$a; + + if (defined($rename{$s})) { + (my $r, my $p) = split(/:/,$rename{$s}); + my @ip = map { /^!(.*)$/ ? $1 : "!".$_ } split /,/, $p; + $syms{$r} = 1; + $kind{$r} = $kind{$s}."(".$s.")"; + $algorithm{$r} = $algorithm{$s}; + $platform{$r} = $platform{$s}.",".$p; + $platform{$s} .= ','.join(',', @ip).','.join(',', @ip); } } } - # Prune the returned functions + # Prune the returned symbols - delete $funcs{"SSL_add_dir_cert_subjects_to_stack"}; - delete $funcs{"RSA_PKCS1_RSAref"} unless $rsaref; - delete $funcs{"bn_dump1"}; + $platform{"crypt"} .= ",!PERL5,!__FreeBSD__,!NeXT"; - if($W32) { - delete $funcs{"BIO_s_file_internal"}; - delete $funcs{"BIO_new_file_internal"}; - delete $funcs{"BIO_new_fp_internal"}; - } else { - if(exists $funcs{"ERR_load_CRYPTO_strings"}) { - delete $funcs{"ERR_load_CRYPTO_strings"}; - $funcs{"ERR_load_CRYPTOlib_strings"} = 1; + delete $syms{"SSL_add_dir_cert_subjects_to_stack"}; + delete $syms{"bn_dump1"}; + + $platform{"BIO_s_file_internal"} .= ",WIN16"; + $platform{"BIO_new_file_internal"} .= ",WIN16"; + $platform{"BIO_new_fp_internal"} .= ",WIN16"; + + $platform{"BIO_s_file"} .= ",!WIN16"; + $platform{"BIO_new_file"} .= ",!WIN16"; + $platform{"BIO_new_fp"} .= ",!WIN16"; + + $platform{"BIO_s_log"} .= ",!WIN32,!WIN16,!macintosh"; + + if(exists $syms{"ERR_load_CRYPTO_strings"}) { + $platform{"ERR_load_CRYPTO_strings"} .= ",!VMS,!WIN16"; + $syms{"ERR_load_CRYPTOlib_strings"} = 1; + $platform{"ERR_load_CRYPTOlib_strings"} .= ",VMS,WIN16"; + } + + # 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); +} + +sub info_string { + (my $symbol, my $exist, my $platforms, my $kind, my $algorithms) = @_; + + my %a = defined($algorithms) ? + map { $_ => 1 } split /,/, $algorithms : (); + my $pl = defined($platforms) ? $platforms : ""; + my %p = map { $_ => 0 } split /,/, $pl; + my $k = defined($kind) ? $kind : "FUNCTION"; + my $ret; + + # 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}++; } - delete $funcs{"BIO_s_file"}; - delete $funcs{"BIO_new_file"}; - delete $funcs{"BIO_new_fp"}; } - if (!$NT) { - delete $funcs{"BIO_s_log"}; + foreach $platform (keys %p) { + if ($p{$platform} == 0) { delete $p{$platform}; } } - push @ret, keys %funcs; + delete $p{""}; + delete $a{""}; - return(@ret); + $ret = $exist; + $ret .= ":".join(',',map { $p{$_} < 0 ? "!".$_ : $_ } keys %p); + $ret .= ":".$k; + $ret .= ":".join(',',keys %a); + return $ret; +} + +sub maybe_add_info { + (my $name, *nums, my @symbols) = @_; + my $sym; + my $new_info = 0; + my %syms=(); + + print STDERR "Updating $name info\n"; + foreach $sym (@symbols) { + (my $s, my $i) = split /\\/, $sym; + $i =~ s/^(.*?:.*?:\w+)(\(\w+\))?/$1/; + if (defined($nums{$s})) { + (my $n, my $dummy) = split /\\/, $nums{$s}; + if (!defined($dummy) || $i ne $dummy) { + $nums{$s} = $n."\\".$i; + $new_info++; + #print STDERR "DEBUG: maybe_add_info for $s: \"$dummy\" => \"$i\"\n"; + } + } + $syms{sym} = 1; + } + + my @s=sort { &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n") } keys %nums; + foreach $sym (@s) { + (my $n, my $i) = split /\\/, $nums{$sym}; + if (!defined($syms{sym})) { + $new_info++; + #print STDERR "DEBUG: maybe_add_info for $sym: -> undefined\n"; + } + } + if ($new_info) { + print STDERR "$new_info old symbols got an info update\n"; + if (!$do_rewrite) { + print STDERR "You should do a rewrite to fix this.\n"; + } + } else { + print STDERR "No old symbols needed info update\n"; + } } sub print_test_file { - (*OUT,my $name,*nums,my @functions)=@_; + (*OUT,my $name,*nums,my @symbols)=@_; my $n = 1; my @e; my @r; - my $func; - - (@e)=grep(/^SSLeay/,@functions); - (@r)=grep(!/^SSLeay/,@functions); - @functions=((sort @e),(sort @r)); - - foreach $func (@functions) { - if (!defined($nums{$func})) { - printf STDERR "$func does not have a number assigned\n" - if(!$do_update); - } else { - $n=$nums{$func}; - print OUT "\t$func();\n"; + my $sym; my $prev = ""; my $prefSSLeay; + + (@e)=grep(/^SSLeay\\.*?:.*?:FUNCTION/,@symbols); + (@r)=grep(/^\w+\\.*?:.*?:FUNCTION/ && !/^SSLeay\\.*?:.*?:FUNCTION/,@symbols); + @symbols=((sort @e),(sort @r)); + + foreach $sym (@symbols) { + (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/; + if ($s ne $prev) { + if (!defined($nums{$sym})) { + printf STDERR "Warning: $sym does not have a number assigned\n" + if(!$do_update); + } else { + $n=$nums{$s}; + print OUT "\t$s();\n"; + } } + $prev = $s; # To avoid duplicates... } } sub print_def_file { - (*OUT,my $name,*nums,my @functions)=@_; - my $n = 1; my @e; my @r; + (*OUT,my $name,*nums,my @symbols)=@_; + my $n = 1; my @e; my @r; my @v; if ($W32) { $name.="32"; } @@ -487,18 +786,83 @@ EOF print "EXPORTS\n"; + (@e)=grep(/^SSLeay\\.*?:.*?:FUNCTION/,@symbols); + (@r)=grep(/^\w+\\.*?:.*?:FUNCTION/ && !/^SSLeay\\.*?:.*?:FUNCTION/,@symbols); + (@v)=grep(/^\w+\\.*?:.*?:VARIABLE/,@symbols); + @symbols=((sort @e),(sort @r), (sort @v)); - (@e)=grep(/^SSLeay/,@functions); - (@r)=grep(!/^SSLeay/,@functions); - @functions=((sort @e),(sort @r)); - foreach $func (@functions) { - if (!defined($nums{$func})) { - printf STDERR "$func does not have a number assigned\n" + foreach $sym (@symbols) { + (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/; + my $v = 0; + $v = 1 if $sym=~ /^\w+\\.*?:.*?:VARIABLE/; + if (!defined($nums{$s})) { + printf STDERR "Warning: $s does not have a number assigned\n" if(!$do_update); } else { - $n=$nums{$func}; - printf OUT " %s%-40s@%d\n",($W32)?"":"_",$func,$n; + (my $n, my $i) = split /\\/, $nums{$s}; + my %pf = (); + my @p = split(/,/, ($i =~ /^[^:]*:([^:]*):/,$1)); + my @a = split(/,/, ($i =~ /^[^:]*:[^:]*:[^:]*:([^:]*)/,$1)); + # @p_purged must contain hardware platforms only + my @p_purged = (); + foreach $ptmp (@p) { + push @p_purged, $ptmp; + } + my $negatives = !!grep(/^!/,@p); + # It is very important to check NT before W32 + if ((($NT && (!@p_purged + || (!$negatives && grep(/^WINNT$/,@p)) + || ($negatives && !grep(/^!WINNT$/,@p)))) + || ($W32 && (!@p_purged + || (!$negatives && grep(/^WIN32$/,@p)) + || ($negatives && !grep(/^!WIN32$/,@p)))) + || ($W16 && (!@p_purged + || (!$negatives && grep(/^WIN16$/,@p)) + || ($negatives && !grep(/^!WIN16$/,@p))))) + && (!@a || (!$no_rc2 || !grep(/^RC2$/,@a))) + && (!@a || (!$no_rc4 || !grep(/^RC4$/,@a))) + && (!@a || (!$no_rc5 || !grep(/^RC5$/,@a))) + && (!@a || (!$no_idea || !grep(/^IDEA$/,@a))) + && (!@a || (!$no_des || !grep(/^DES$/,@a))) + && (!@a || (!$no_bf || !grep(/^BF$/,@a))) + && (!@a || (!$no_cast || !grep(/^CAST$/,@a))) + && (!@a || (!$no_md2 || !grep(/^MD2$/,@a))) + && (!@a || (!$no_md4 || !grep(/^MD4$/,@a))) + && (!@a || (!$no_md5 || !grep(/^MD5$/,@a))) + && (!@a || (!$no_sha || !grep(/^SHA$/,@a))) + && (!@a || (!$no_ripemd || !grep(/^RIPEMD$/,@a))) + && (!@a || (!$no_mdc2 || !grep(/^MDC2$/,@a))) + && (!@a || (!$no_rsa || !grep(/^RSA$/,@a))) + && (!@a || (!$no_dsa || !grep(/^DSA$/,@a))) + && (!@a || (!$no_dh || !grep(/^DH$/,@a))) + && (!@a || (!$no_hmac || !grep(/^HMAC$/,@a))) + && (!@a || (!$no_aes || !grep(/^AES$/,@a))) + && (!@a || (!$no_fp_api || !grep(/^FP_API$/,@a))) + ) { + if($v) { + printf OUT " %s%-40s@%-8d DATA\n",($W32)?"":"_",$s,$n; + } else { + printf OUT " %s%-40s@%d\n",($W32)?"":"_",$s,$n; + } +# } else { +# print STDERR "DEBUG: \"$sym\" (@p):", +# " rsaref:", !!(!@p +# || (!$negatives +# && ($rsaref || !grep(/^RSAREF$/,@p))) +# || ($negatives +# && (!$rsaref || !grep(/^!RSAREF$/,@p))))?1:0, +# " 16:", !!($W16 && (!@p_purged +# || (!$negatives && grep(/^WIN16$/,@p)) +# || ($negatives && !grep(/^!WIN16$/,@p)))), +# " 32:", !!($W32 && (!@p_purged +# || (!$negatives && grep(/^WIN32$/,@p)) +# || ($negatives && !grep(/^!WIN32$/,@p)))), +# " NT:", !!($NT && (!@p_purged +# || (!$negatives && grep(/^WINNT$/,@p)) +# || ($negatives && !grep(/^!WINNT$/,@p)))), +# "\n"; + } } } printf OUT "\n"; @@ -510,6 +874,8 @@ sub load_numbers my(@a,%ret); $max_num = 0; + $num_noinfo = 0; + $prev = ""; open(IN,"<$name") || die "unable to open $name:$!\n"; while () { @@ -517,27 +883,145 @@ sub load_numbers s/#.*$//; next if /^\s*$/; @a=split; - $ret{$a[0]}=$a[1]; + if (defined $ret{$a[0]}) { + print STDERR "Warning: Symbol '",$a[0],"' redefined. old=",$ret{$a[0]},", new=",$a[1],"\n"; + } + if ($max_num > $a[1]) { + print STDERR "Warning: Number decreased from ",$max_num," to ",$a[1],"\n"; + } + if ($max_num == $a[1]) { + # This is actually perfectly OK + #print STDERR "Warning: Symbol ",$a[0]," has same number as previous ",$prev,": ",$a[1],"\n"; + } + if ($#a < 2) { + # Existence will be proven later, in do_defs + $ret{$a[0]}=$a[1]; + $num_noinfo++; + } else { + $ret{$a[0]}=$a[1]."\\".$a[2]; # \\ is a special marker + } $max_num = $a[1] if $a[1] > $max_num; + $prev=$a[0]; + } + if ($num_noinfo) { + print STDERR "Warning: $num_noinfo symbols were without info."; + if ($do_rewrite) { + printf STDERR " The rewrite will fix this.\n"; + } else { + printf STDERR " You should do a rewrite to fix this.\n"; + } } close(IN); return(%ret); } +sub parse_number +{ + (my $str, my $what) = @_; + (my $n, my $i) = split(/\\/,$str); + if ($what eq "n") { + return $n; + } else { + return $i; + } +} + +sub rewrite_numbers +{ + (*OUT,$name,*nums,@symbols)=@_; + my $thing; + + print STDERR "Rewriting $name\n"; + + my @r = grep(/^\w+\\.*?:.*?:\w+\(\w+\)/,@symbols); + my $r; my %r; my %rsyms; + foreach $r (@r) { + (my $s, my $i) = split /\\/, $r; + my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/; + $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/; + $r{$a} = $s."\\".$i; + $rsyms{$s} = 1; + } + + my %syms = (); + foreach $_ (@symbols) { + (my $n, my $i) = split /\\/; + $syms{$n} = 1; + } + + my @s=sort { &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n") } keys %nums; + foreach $sym (@s) { + (my $n, my $i) = split /\\/, $nums{$sym}; + next if defined($i) && $i =~ /^.*?:.*?:\w+\(\w+\)/; + next if defined($rsyms{$sym}); + $i="NOEXIST::FUNCTION:" + if !defined($i) || $i eq "" || !defined($syms{$sym}); + printf OUT "%s%-40s%d\t%s\n","",$sym,$n,$i; + if (exists $r{$sym}) { + (my $s, $i) = split /\\/,$r{$sym}; + printf OUT "%s%-40s%d\t%s\n","",$s,$n,$i; + } + } +} + sub update_numbers { - (*OUT,$name,*nums,my $start_num, my @functions)=@_; - my $new_funcs = 0; - print STDERR "Updating $name\n"; - foreach $func (@functions) { - if (!exists $nums{$func}) { - $new_funcs++; - printf OUT "%s%-40s%d\n","",$func, ++$start_num; + (*OUT,$name,*nums,my $start_num, my @symbols)=@_; + my $new_syms = 0; + + print STDERR "Updating $name numbers\n"; + + my @r = grep(/^\w+\\.*?:.*?:\w+\(\w+\)/,@symbols); + my $r; my %r; my %rsyms; + foreach $r (@r) { + (my $s, my $i) = split /\\/, $r; + my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/; + $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/; + $r{$a} = $s."\\".$i; + $rsyms{$s} = 1; + } + + foreach $sym (@symbols) { + (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/; + next if $i =~ /^.*?:.*?:\w+\(\w+\)/; + next if defined($rsyms{$sym}); + die "ERROR: Symbol $sym had no info attached to it." + if $i eq ""; + if (!exists $nums{$s}) { + $new_syms++; + printf OUT "%s%-40s%d\t%s\n","",$s, ++$start_num,$i; + if (exists $r{$s}) { + ($s, $i) = split /\\/,$r{$s}; + printf OUT "%s%-40s%d\t%s\n","",$s, $start_num,$i; + } } } - if($new_funcs) { - print STDERR "$new_funcs New Functions added\n"; + if($new_syms) { + print STDERR "$new_syms New symbols added\n"; } else { - print STDERR "No New Functions Added\n"; + print STDERR "No New symbols Added\n"; } } + +sub check_existing +{ + (*nums, my @symbols)=@_; + my %existing; my @remaining; + @remaining=(); + foreach $sym (@symbols) { + (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/; + $existing{$s}=1; + } + foreach $sym (keys %nums) { + if (!exists $existing{$sym}) { + push @remaining, $sym; + } + } + if(@remaining) { + print STDERR "The following symbols do not seem to exist:\n"; + foreach $sym (@remaining) { + print STDERR "\t",$sym,"\n"; + } + } +} +