1#!/usr/local/bin/perl -w 2# 3# generate a .def file 4# 5# It does this by parsing the header files and looking for the 6# prototyped functions: it then prunes the output. 7# 8 9$crypto_num="util/libeay.num"; 10$ssl_num= "util/ssleay.num"; 11 12my $do_update = 0; 13my $do_crypto = 0; 14my $do_ssl = 0; 15$rsaref = 0; 16 17$W32=1; 18$NT=0; 19# Set this to make typesafe STACK definitions appear in DEF 20$safe_stack_def = 1; 21 22$options=""; 23open(IN,"<Makefile.ssl") || die "unable to open Makefile.ssl!\n"; 24while(<IN>) { 25 $options=$1 if (/^OPTIONS=(.*)$/); 26} 27close(IN); 28 29foreach (@ARGV, split(/ /, $options)) 30 { 31 $W32=1 if $_ eq "32"; 32 $W32=0 if $_ eq "16"; 33 if($_ eq "NT") { 34 $W32 = 1; 35 $NT = 1; 36 } 37 $do_ssl=1 if $_ eq "ssleay"; 38 $do_ssl=1 if $_ eq "ssl"; 39 $do_crypto=1 if $_ eq "libeay"; 40 $do_crypto=1 if $_ eq "crypto"; 41 $do_update=1 if $_ eq "update"; 42 $rsaref=1 if $_ eq "rsaref"; 43 44 if (/^no-rc2$/) { $no_rc2=1; } 45 elsif (/^no-rc4$/) { $no_rc4=1; } 46 elsif (/^no-rc5$/) { $no_rc5=1; } 47 elsif (/^no-idea$/) { $no_idea=1; } 48 elsif (/^no-des$/) { $no_des=1; } 49 elsif (/^no-bf$/) { $no_bf=1; } 50 elsif (/^no-cast$/) { $no_cast=1; } 51 elsif (/^no-md2$/) { $no_md2=1; } 52 elsif (/^no-md5$/) { $no_md5=1; } 53 elsif (/^no-sha$/) { $no_sha=1; } 54 elsif (/^no-ripemd$/) { $no_ripemd=1; } 55 elsif (/^no-mdc2$/) { $no_mdc2=1; } 56 elsif (/^no-rsa$/) { $no_rsa=1; } 57 elsif (/^no-dsa$/) { $no_dsa=1; } 58 elsif (/^no-dh$/) { $no_dh=1; } 59 elsif (/^no-hmac$/) { $no_hmac=1; } 60 } 61 62if (!$do_ssl && !$do_crypto) 63 { 64 print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT ] [rsaref]\n"; 65 exit(1); 66 } 67 68%ssl_list=&load_numbers($ssl_num); 69$max_ssl = $max_num; 70%crypto_list=&load_numbers($crypto_num); 71$max_crypto = $max_num; 72 73$ssl="ssl/ssl.h"; 74 75$crypto ="crypto/crypto.h"; 76$crypto.=" crypto/des/des.h" unless $no_des; 77$crypto.=" crypto/idea/idea.h" unless $no_idea; 78$crypto.=" crypto/rc4/rc4.h" unless $no_rc4; 79$crypto.=" crypto/rc5/rc5.h" unless $no_rc5; 80$crypto.=" crypto/rc2/rc2.h" unless $no_rc2; 81$crypto.=" crypto/bf/blowfish.h" unless $no_bf; 82$crypto.=" crypto/cast/cast.h" unless $no_cast; 83$crypto.=" crypto/md2/md2.h" unless $no_md2; 84$crypto.=" crypto/md5/md5.h" unless $no_md5; 85$crypto.=" crypto/mdc2/mdc2.h" unless $no_mdc2; 86$crypto.=" crypto/sha/sha.h" unless $no_sha; 87$crypto.=" crypto/ripemd/ripemd.h" unless $no_ripemd; 88 89$crypto.=" crypto/bn/bn.h"; 90$crypto.=" crypto/rsa/rsa.h" unless $no_rsa; 91$crypto.=" crypto/dsa/dsa.h" unless $no_dsa; 92$crypto.=" crypto/dh/dh.h" unless $no_dh; 93$crypto.=" crypto/hmac/hmac.h" unless $no_hmac; 94 95$crypto.=" crypto/stack/stack.h"; 96$crypto.=" crypto/buffer/buffer.h"; 97$crypto.=" crypto/bio/bio.h"; 98$crypto.=" crypto/lhash/lhash.h"; 99$crypto.=" crypto/conf/conf.h"; 100$crypto.=" crypto/txt_db/txt_db.h"; 101 102$crypto.=" crypto/evp/evp.h"; 103$crypto.=" crypto/objects/objects.h"; 104$crypto.=" crypto/pem/pem.h"; 105#$crypto.=" crypto/meth/meth.h"; 106$crypto.=" crypto/asn1/asn1.h"; 107$crypto.=" crypto/asn1/asn1_mac.h"; 108$crypto.=" crypto/err/err.h"; 109$crypto.=" crypto/pkcs7/pkcs7.h"; 110$crypto.=" crypto/pkcs12/pkcs12.h"; 111$crypto.=" crypto/x509/x509.h"; 112$crypto.=" crypto/x509/x509_vfy.h"; 113$crypto.=" crypto/x509v3/x509v3.h"; 114$crypto.=" crypto/rand/rand.h"; 115$crypto.=" crypto/comp/comp.h"; 116$crypto.=" crypto/tmdiff.h"; 117 118@ssl_func = &do_defs("SSLEAY", $ssl); 119@crypto_func = &do_defs("LIBEAY", $crypto); 120 121 122if ($do_update) { 123 124if ($do_ssl == 1) { 125 open(OUT, ">>$ssl_num"); 126 &update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl, @ssl_func); 127 close OUT; 128} 129 130if($do_crypto == 1) { 131 open(OUT, ">>$crypto_num"); 132 &update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto, @crypto_func); 133 close OUT; 134} 135 136} else { 137 138 &print_def_file(*STDOUT,"SSLEAY",*ssl_list,@ssl_func) 139 if $do_ssl == 1; 140 141 &print_def_file(*STDOUT,"LIBEAY",*crypto_list,@crypto_func) 142 if $do_crypto == 1; 143 144} 145 146 147sub do_defs 148{ 149 my($name,$files)=@_; 150 my @ret; 151 my %funcs; 152 153 foreach $file (split(/\s+/,$files)) 154 { 155 open(IN,"<$file") || die "unable to open $file:$!\n"; 156 157 my $line = "", $def= ""; 158 my %tag = ( 159 FreeBSD => 0, 160 NOPROTO => 0, 161 WIN16 => 0, 162 PERL5 => 0, 163 _WINDLL => 0, 164 NO_FP_API => 0, 165 CONST_STRICT => 0, 166 TRUE => 1, 167 ); 168 while(<IN>) { 169 last if (/BEGIN ERROR CODES/); 170 if ($line ne '') { 171 $_ = $line . $_; 172 $line = ''; 173 } 174 175 if (/\\$/) { 176 $line = $_; 177 next; 178 } 179 180 $cpp = 1 if /^#.*ifdef.*cplusplus/; 181 if ($cpp) { 182 $cpp = 0 if /^#.*endif/; 183 next; 184 } 185 186 s/\/\*.*?\*\///gs; # ignore comments 187 s/{[^{}]*}//gs; # ignore {} blocks 188 if (/^\#\s*ifndef (.*)/) { 189 push(@tag,$1); 190 $tag{$1}=-1; 191 next; 192 } elsif (/^\#\s*if !defined\(([^\)]+)\)/) { 193 push(@tag,$1); 194 $tag{$1}=-1; 195 next; 196 } elsif (/^\#\s*ifdef (.*)/) { 197 push(@tag,$1); 198 $tag{$1}=1; 199 next; 200 } elsif (/^\#\s*if defined(.*)/) { 201 push(@tag,$1); 202 $tag{$1}=1; 203 next; 204 } elsif (/^\#\s*endif/) { 205 $tag{$tag[$#tag]}=0; 206 pop(@tag); 207 next; 208 } elsif (/^\#\s*else/) { 209 my $t=$tag[$#tag]; 210 $tag{$t}= -$tag{$t}; 211 next; 212 } elsif (/^\#\s*if\s+1/) { 213 # Dummy tag 214 push(@tag,"TRUE"); 215 $tag{"TRUE"}=1; 216 next; 217 } elsif (/^\#/) { 218 next; 219 } 220 if ($safe_stack_def && 221 /^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) { 222 $funcs{"sk_${1}_new"} = 1; 223 $funcs{"sk_${1}_new_null"} = 1; 224 $funcs{"sk_${1}_free"} = 1; 225 $funcs{"sk_${1}_num"} = 1; 226 $funcs{"sk_${1}_value"} = 1; 227 $funcs{"sk_${1}_set"} = 1; 228 $funcs{"sk_${1}_zero"} = 1; 229 $funcs{"sk_${1}_push"} = 1; 230 $funcs{"sk_${1}_unshift"} = 1; 231 $funcs{"sk_${1}_find"} = 1; 232 $funcs{"sk_${1}_delete"} = 1; 233 $funcs{"sk_${1}_delete_ptr"} = 1; 234 $funcs{"sk_${1}_insert"} = 1; 235 $funcs{"sk_${1}_set_cmp_func"} = 1; 236 $funcs{"sk_${1}_dup"} = 1; 237 $funcs{"sk_${1}_pop_free"} = 1; 238 $funcs{"sk_${1}_shift"} = 1; 239 $funcs{"sk_${1}_pop"} = 1; 240 $funcs{"sk_${1}_sort"} = 1; 241 } elsif ($safe_stack_def && 242 /^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) { 243 $funcs{"d2i_ASN1_SET_OF_${1}"} = 1; 244 $funcs{"i2d_ASN1_SET_OF_${1}"} = 1; 245 } elsif (/^DECLARE_PEM_rw\s*\(\s*(\w*)\s*,/ || 246 /^DECLARE_PEM_rw_cb\s*\(\s*(\w*)\s*,/ ) { 247 if($W32) { 248 $funcs{"PEM_read_${1}"} = 1; 249 $funcs{"PEM_write_${1}"} = 1; 250 } 251 $funcs{"PEM_read_bio_${1}"} = 1; 252 $funcs{"PEM_write_bio_${1}"} = 1; 253 } elsif ( 254 ($tag{'FreeBSD'} != 1) && 255 ($tag{'CONST_STRICT'} != 1) && 256 (($W32 && ($tag{'WIN16'} != 1)) || 257 (!$W32 && ($tag{'WIN16'} != -1))) && 258 ($tag{'PERL5'} != 1) && 259# ($tag{'_WINDLL'} != -1) && 260 ((!$W32 && $tag{'_WINDLL'} != -1) || 261 ($W32 && $tag{'_WINDLL'} != 1)) && 262 ((($tag{'NO_FP_API'} != 1) && $W32) || 263 (($tag{'NO_FP_API'} != -1) && !$W32))) 264 { 265 if (/{|\/\*/) { # } 266 $line = $_; 267 } else { 268 $def .= $_; 269 } 270 } 271 } 272 close(IN); 273 274 foreach (split /;/, $def) { 275 s/^[\n\s]*//g; 276 s/[\n\s]*$//g; 277 next if(/typedef\W/); 278 next if(/EVP_bf/ and $no_bf); 279 next if(/EVP_cast/ and $no_cast); 280 next if(/EVP_des/ and $no_des); 281 next if(/EVP_dss/ and $no_dsa); 282 next if(/EVP_idea/ and $no_idea); 283 next if(/EVP_md2/ and $no_md2); 284 next if(/EVP_md5/ and $no_md5); 285 next if(/EVP_rc2/ and $no_rc2); 286 next if(/EVP_rc4/ and $no_rc4); 287 next if(/EVP_rc5/ and $no_rc5); 288 next if(/EVP_ripemd/ and $no_ripemd); 289 next if(/EVP_sha/ and $no_sha); 290 if (/\(\*(\w*)\([^\)]+/) { 291 $funcs{$1} = 1; 292 } elsif (/\w+\W+(\w+)\W*\(\s*\)$/s) { 293 # K&R C 294 next; 295 } elsif (/\w+\W+\w+\W*\(.*\)$/s) { 296 while (not /\(\)$/s) { 297 s/[^\(\)]*\)$/\)/s; 298 s/\([^\(\)]*\)\)$/\)/s; 299 } 300 s/\(void\)//; 301 /(\w+)\W*\(\)/s; 302 $funcs{$1} = 1; 303 } elsif (/\(/ and not (/=/)) { 304 print STDERR "File $file: cannot parse: $_;\n"; 305 } 306 } 307 } 308 309 # Prune the returned functions 310 311 delete $funcs{"SSL_add_dir_cert_subjects_to_stack"}; 312 delete $funcs{"des_crypt"}; 313 delete $funcs{"RSA_PKCS1_RSAref"} unless $rsaref; 314 315 if($W32) { 316 delete $funcs{"BIO_s_file_internal"}; 317 delete $funcs{"BIO_new_file_internal"}; 318 delete $funcs{"BIO_new_fp_internal"}; 319 } else { 320 if(exists $funcs{"ERR_load_CRYPTO_strings"}) { 321 delete $funcs{"ERR_load_CRYPTO_strings"}; 322 $funcs{"ERR_load_CRYPTOlib_strings"} = 1; 323 } 324 delete $funcs{"BIO_s_file"}; 325 delete $funcs{"BIO_new_file"}; 326 delete $funcs{"BIO_new_fp"}; 327 } 328 if (!$NT) { 329 delete $funcs{"BIO_s_log"}; 330 } 331 332 push @ret, keys %funcs; 333 334 return(@ret); 335} 336 337sub print_def_file 338{ 339 (*OUT,my $name,*nums,@functions)=@_; 340 my $n =1; 341 342 if ($W32) 343 { $name.="32"; } 344 else 345 { $name.="16"; } 346 347 print OUT <<"EOF"; 348; 349; Definition file for the DLL version of the $name library from OpenSSL 350; 351 352LIBRARY $name 353 354DESCRIPTION 'OpenSSL $name - http://www.openssl.org/' 355 356EOF 357 358 if (!$W32) { 359 print <<"EOF"; 360CODE PRELOAD MOVEABLE 361DATA PRELOAD MOVEABLE SINGLE 362 363EXETYPE WINDOWS 364 365HEAPSIZE 4096 366STACKSIZE 8192 367 368EOF 369 } 370 371 print "EXPORTS\n"; 372 373 374 (@e)=grep(/^SSLeay/,@functions); 375 (@r)=grep(!/^SSLeay/,@functions); 376 @functions=((sort @e),(sort @r)); 377 378 foreach $func (@functions) { 379 if (!defined($nums{$func})) { 380 printf STDERR "$func does not have a number assigned\n" 381 if(!$do_update); 382 } else { 383 $n=$nums{$func}; 384 printf OUT " %s%-40s@%d\n",($W32)?"":"_",$func,$n; 385 } 386 } 387 printf OUT "\n"; 388} 389 390sub load_numbers 391{ 392 my($name)=@_; 393 my(@a,%ret); 394 395 $max_num = 0; 396 397 open(IN,"<$name") || die "unable to open $name:$!\n"; 398 while (<IN>) { 399 chop; 400 s/#.*$//; 401 next if /^\s*$/; 402 @a=split; 403 $ret{$a[0]}=$a[1]; 404 $max_num = $a[1] if $a[1] > $max_num; 405 } 406 close(IN); 407 return(%ret); 408} 409 410sub update_numbers 411{ 412 (*OUT,$name,*nums,my $start_num, my @functions)=@_; 413 my $new_funcs = 0; 414 print STDERR "Updating $name\n"; 415 foreach $func (@functions) { 416 if (!exists $nums{$func}) { 417 $new_funcs++; 418 printf OUT "%s%-40s%d\n","",$func, ++$start_num; 419 } 420 } 421 if($new_funcs) { 422 print STDERR "$new_funcs New Functions added\n"; 423 } else { 424 print STDERR "No New Functions Added\n"; 425 } 426} 427