crypto/openssl/util/mkstack.pl

   1 #!/usr/local/bin/perl -w
   2
   3 # This is a utility that searches out "DECLARE_STACK_OF()"
   4 # declarations in .h and .c files, and updates/creates/replaces
   5 # the corresponding macro declarations in crypto/stack/safestack.h.
   6 # As it's not generally possible to have macros that generate macros,
   7 # we need to control this from the "outside", here in this script.
   8 #
   9 # Geoff Thorpe, June, 2000 (with massive Perl-hacking
  10 #                           help from Steve Robb)
  11
  12 my $safestack = "crypto/stack/safestack";
  13
  14 my $do_write;
  15 while (@ARGV) {
  16         my $arg = $ARGV[0];
  17         if($arg eq "-write") {
  18                 $do_write = 1;
  19         }
  20         shift @ARGV;
  21 }
  22
  23
  24 @source = (<crypto/*.[ch]>, <crypto/*/*.[ch]>, <ssl/*.[ch]>);
  25 foreach $file (@source) {
  26         next if -l $file;
  27
  28         # Open the .c/.h file for reading
  29         open(IN, "< $file") || die "Can't open $file for reading: $!";
  30
  31         while(<IN>) {
  32                 if (/^DECLARE_STACK_OF\(([^)]+)\)/) {
  33                         push @stacklst, $1;
  34                 } if (/^DECLARE_ASN1_SET_OF\(([^)]+)\)/) {
  35                         push @asn1setlst, $1;
  36                 } if (/^DECLARE_PKCS12_STACK_OF\(([^)]+)\)/) {
  37                         push @p12stklst, $1;
  38                 }
  39         }
  40         close(IN);
  41 }
  42
  43
  44
  45 my $old_stackfile = "";
  46 my $new_stackfile = "";
  47 my $inside_block = 0;
  48 my $type_thing;
  49
  50 open(IN, "< $safestack.h") || die "Can't open input file: $!";
  51 while(<IN>) {
  52         $old_stackfile .= $_;
  53
  54         if (m|^/\* This block of defines is updated by util/mkstack.pl, please do not touch! \*/|) {
  55                 $inside_block = 1;
  56         }
  57         if (m|^/\* End of util/mkstack.pl block, you may now edit :-\) \*/|) {
  58                 $inside_block = 0;
  59         } elsif ($inside_block == 0) {
  60                 $new_stackfile .= $_;
  61         }
  62         next if($inside_block != 1);
  63         $new_stackfile .= "/* This block of defines is updated by util/mkstack.pl, please do not touch! */";
  64
  65         foreach $type_thing (sort @stacklst) {
  66                 $new_stackfile .= <<EOF;
  67
  68 #define sk_${type_thing}_new(st) SKM_sk_new($type_thing, (st))
  69 #define sk_${type_thing}_new_null() SKM_sk_new_null($type_thing)
  70 #define sk_${type_thing}_free(st) SKM_sk_free($type_thing, (st))
  71 #define sk_${type_thing}_num(st) SKM_sk_num($type_thing, (st))
  72 #define sk_${type_thing}_value(st, i) SKM_sk_value($type_thing, (st), (i))
  73 #define sk_${type_thing}_set(st, i, val) SKM_sk_set($type_thing, (st), (i), (val))
  74 #define sk_${type_thing}_zero(st) SKM_sk_zero($type_thing, (st))
  75 #define sk_${type_thing}_push(st, val) SKM_sk_push($type_thing, (st), (val))
  76 #define sk_${type_thing}_unshift(st, val) SKM_sk_unshift($type_thing, (st), (val))
  77 #define sk_${type_thing}_find(st, val) SKM_sk_find($type_thing, (st), (val))
  78 #define sk_${type_thing}_find_ex(st, val) SKM_sk_find_ex($type_thing, (st), (val))
  79 #define sk_${type_thing}_delete(st, i) SKM_sk_delete($type_thing, (st), (i))
  80 #define sk_${type_thing}_delete_ptr(st, ptr) SKM_sk_delete_ptr($type_thing, (st), (ptr))
  81 #define sk_${type_thing}_insert(st, val, i) SKM_sk_insert($type_thing, (st), (val), (i))
  82 #define sk_${type_thing}_set_cmp_func(st, cmp) SKM_sk_set_cmp_func($type_thing, (st), (cmp))
  83 #define sk_${type_thing}_dup(st) SKM_sk_dup($type_thing, st)
  84 #define sk_${type_thing}_pop_free(st, free_func) SKM_sk_pop_free($type_thing, (st), (free_func))
  85 #define sk_${type_thing}_shift(st) SKM_sk_shift($type_thing, (st))
  86 #define sk_${type_thing}_pop(st) SKM_sk_pop($type_thing, (st))
  87 #define sk_${type_thing}_sort(st) SKM_sk_sort($type_thing, (st))
  88 #define sk_${type_thing}_is_sorted(st) SKM_sk_is_sorted($type_thing, (st))
  89 EOF
  90         }
  91         foreach $type_thing (sort @asn1setlst) {
  92                 $new_stackfile .= <<EOF;
  93
  94 #define d2i_ASN1_SET_OF_${type_thing}(st, pp, length, d2i_func, free_func, ex_tag, ex_class) \\
  95         SKM_ASN1_SET_OF_d2i($type_thing, (st), (pp), (length), (d2i_func), (free_func), (ex_tag), (ex_class))
  96 #define i2d_ASN1_SET_OF_${type_thing}(st, pp, i2d_func, ex_tag, ex_class, is_set) \\
  97         SKM_ASN1_SET_OF_i2d($type_thing, (st), (pp), (i2d_func), (ex_tag), (ex_class), (is_set))
  98 #define ASN1_seq_pack_${type_thing}(st, i2d_func, buf, len) \\
  99         SKM_ASN1_seq_pack($type_thing, (st), (i2d_func), (buf), (len))
 100 #define ASN1_seq_unpack_${type_thing}(buf, len, d2i_func, free_func) \\
 101         SKM_ASN1_seq_unpack($type_thing, (buf), (len), (d2i_func), (free_func))
 102 EOF
 103         }
 104         foreach $type_thing (sort @p12stklst) {
 105                 $new_stackfile .= <<EOF;
 106
 107 #define PKCS12_decrypt_d2i_${type_thing}(algor, d2i_func, free_func, pass, passlen, oct, seq) \\
 108         SKM_PKCS12_decrypt_d2i($type_thing, (algor), (d2i_func), (free_func), (pass), (passlen), (oct), (seq))
 109 EOF
 110         }
 111         $new_stackfile .= "/* End of util/mkstack.pl block, you may now edit :-) */\n";
 112         $inside_block = 2;
 113 }
 114
 115
 116 if ($new_stackfile eq $old_stackfile) {
 117         print "No changes to $safestack.h.\n";
 118         exit 0; # avoid unnecessary rebuild
 119 }
 120
 121 if ($do_write) {
 122         print "Writing new $safestack.h.\n";
 123         open OUT, ">$safestack.h" || die "Can't open output file";
 124         print OUT $new_stackfile;
 125         close OUT;
 126 }