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openssl/util/mkstack.pl
Richard Levitte d865cb13ba Add crypto/include/internal to the directories to scan for stack declarations 
Reviewed-by: Rich Salz <rsalz@openssl.org>
2015-10-18 20:35:22 +02:00

361 lines
15 KiB
Perl
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#!/usr/local/bin/perl -w
# Search out "DECLARE_STACK_OF()" # declarations in .h and .c files,
# and create corresponding macro declarations for crypto/stack/safestack.h.
my $safestack = "include/openssl/safestack.h";
my $do_write = 0;
foreach ( @ARGV ) {
$do_write = 1 if $_ eq "-write";
}
my @stacklst;
my @sstacklst;
my @asn1setlst;
my @p12stklst;
my @lhashlst;
my @source = (<include/openssl/*.h>, <crypto/include/internal/*.h>, <crypto/*.[ch]>, <crypto/*/*.[ch]>, <ssl/*.[ch]>, <apps/*.[ch]>);
foreach $file (@source) {
next if -l $file;
# Open the .c/.h file for reading
open(IN, "< $file") || die "Can't open $file for reading, $!";
while(<IN>) {
next unless /^DECLARE_/;
if (/^DECLARE_STACK_OF\(([^)]+)\)/) {
push @stacklst, $1;
}
elsif (/^DECLARE_SPECIAL_STACK_OF\(([^,\s]+)\s*,\s*([^>\s]+)\)/) {
push @sstacklst, [$1, $2];
}
elsif (/^DECLARE_LHASH_OF\(([^)]+)\)/) {
push @lhashlst, $1;
}
}
close(IN);
}
my $new_stackfile = <<'EOF';
/* automatically generated by util/mkstack.pl */
/* ====================================================================
* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#ifndef HEADER_SAFESTACK_H
# define HEADER_SAFESTACK_H
# include <openssl/stack.h>
#ifdef __cplusplus
extern "C" {
#endif
# ifndef CHECKED_PTR_OF
# define CHECKED_PTR_OF(type, p) ((void*) (1 ? p : (type*)0))
# endif
/*
* In C++ we get problems because an explicit cast is needed from (void *) we
* use CHECKED_STACK_OF to ensure the correct type is passed in the macros
* below.
*/
# define CHECKED_STACK_OF(type, p) \
((_STACK*) (1 ? p : (STACK_OF(type)*)0))
# define CHECKED_SK_COPY_FUNC(type, p) \
((void *(*)(void *)) ((1 ? p : (type *(*)(const type *))0)))
# define CHECKED_SK_FREE_FUNC(type, p) \
((void (*)(void *)) ((1 ? p : (void (*)(type *))0)))
# define CHECKED_SK_CMP_FUNC(type, p) \
((int (*)(const void *, const void *)) \
((1 ? p : (int (*)(const type * const *, const type * const *))0)))
# define STACK_OF(type) struct stack_st_##type
# define PREDECLARE_STACK_OF(type) STACK_OF(type);
# define DECLARE_STACK_OF(type) STACK_OF(type);
# define DECLARE_SPECIAL_STACK_OF(type, type2) STACK_OF(type);
/*-
* Strings are special: normally an lhash entry will point to a single
* (somewhat) mutable object. In the case of strings:
*
* a) Instead of a single char, there is an array of chars, NUL-terminated.
* b) The string may have be immutable.
*
* So, they need their own declarations. Especially important for
* type-checking tools, such as Deputy.
*
* In practice, however, it appears to be hard to have a const
* string. For now, I'm settling for dealing with the fact it is a
* string at all.
*/
typedef char *OPENSSL_STRING;
typedef const char *OPENSSL_CSTRING;
/*-
* Confusingly, LHASH_OF(STRING) deals with char ** throughout, but
* STACK_OF(STRING) is really more like STACK_OF(char), only, as mentioned
* above, instead of a single char each entry is a NUL-terminated array of
* chars. So, we have to implement STRING specially for STACK_OF. This is
* dealt with in the autogenerated macros below.
*/
DECLARE_SPECIAL_STACK_OF(OPENSSL_STRING, char)
/*
* Similarly, we sometimes use a block of characters, NOT nul-terminated.
* These should also be distinguished from "normal" stacks.
*/
typedef void *OPENSSL_BLOCK;
DECLARE_SPECIAL_STACK_OF(OPENSSL_BLOCK, void)
/*
* This file is automatically generated by util/mkstack.pl
* Do not edit!
*/
/*
* SKM_sk_... stack macros are internal to safestack.h: never use them
* directly, use sk_<type>_... instead
*/
# define SKM_sk_new(type, cmp) \
((STACK_OF(type) *)sk_new(CHECKED_SK_CMP_FUNC(type, cmp)))
# define SKM_sk_new_null(type) \
((STACK_OF(type) *)sk_new_null())
# define SKM_sk_free(type, st) \
sk_free(CHECKED_STACK_OF(type, st))
# define SKM_sk_num(type, st) \
sk_num(CHECKED_STACK_OF(type, st))
# define SKM_sk_value(type, st,i) \
((type *)sk_value(CHECKED_STACK_OF(type, st), i))
# define SKM_sk_set(type, st,i,val) \
sk_set(CHECKED_STACK_OF(type, st), i, CHECKED_PTR_OF(type, val))
# define SKM_sk_zero(type, st) \
sk_zero(CHECKED_STACK_OF(type, st))
# define SKM_sk_push(type, st, val) \
sk_push(CHECKED_STACK_OF(type, st), CHECKED_PTR_OF(type, val))
# define SKM_sk_unshift(type, st, val) \
sk_unshift(CHECKED_STACK_OF(type, st), CHECKED_PTR_OF(type, val))
# define SKM_sk_find(type, st, val) \
sk_find(CHECKED_STACK_OF(type, st), CHECKED_PTR_OF(type, val))
# define SKM_sk_find_ex(type, st, val) \
sk_find_ex(CHECKED_STACK_OF(type, st), \
CHECKED_PTR_OF(type, val))
# define SKM_sk_delete(type, st, i) \
(type *)sk_delete(CHECKED_STACK_OF(type, st), i)
# define SKM_sk_delete_ptr(type, st, ptr) \
(type *)sk_delete_ptr(CHECKED_STACK_OF(type, st), CHECKED_PTR_OF(type, ptr))
# define SKM_sk_insert(type, st,val, i) \
sk_insert(CHECKED_STACK_OF(type, st), CHECKED_PTR_OF(type, val), i)
# define SKM_sk_set_cmp_func(type, st, cmp) \
((int (*)(const type * const *,const type * const *)) \
sk_set_cmp_func(CHECKED_STACK_OF(type, st), CHECKED_SK_CMP_FUNC(type, cmp)))
# define SKM_sk_dup(type, st) \
(STACK_OF(type) *)sk_dup(CHECKED_STACK_OF(type, st))
# define SKM_sk_pop_free(type, st, free_func) \
sk_pop_free(CHECKED_STACK_OF(type, st), CHECKED_SK_FREE_FUNC(type, free_func))
# define SKM_sk_deep_copy(type, st, copy_func, free_func) \
(STACK_OF(type) *)sk_deep_copy(CHECKED_STACK_OF(type, st), CHECKED_SK_COPY_FUNC(type, copy_func), CHECKED_SK_FREE_FUNC(type, free_func))
# define SKM_sk_shift(type, st) \
(type *)sk_shift(CHECKED_STACK_OF(type, st))
# define SKM_sk_pop(type, st) \
(type *)sk_pop(CHECKED_STACK_OF(type, st))
# define SKM_sk_sort(type, st) \
sk_sort(CHECKED_STACK_OF(type, st))
# define SKM_sk_is_sorted(type, st) \
sk_is_sorted(CHECKED_STACK_OF(type, st))
# define SKM_ASN1_SET_OF_d2i(type, st, pp, length, d2i_func, free_func, ex_tag, ex_class) \
(STACK_OF(type) *)d2i_ASN1_SET( \
(STACK_OF(OPENSSL_BLOCK) **)CHECKED_PTR_OF(STACK_OF(type)*, st), \
pp, length, \
CHECKED_D2I_OF(type, d2i_func), \
CHECKED_SK_FREE_FUNC(type, free_func), \
ex_tag, ex_class)
# define SKM_ASN1_SET_OF_i2d(type, st, pp, i2d_func, ex_tag, ex_class, is_set) \
i2d_ASN1_SET(CHECKED_STACK_OF(type, st), pp, \
CHECKED_I2D_OF(type, i2d_func), \
ex_tag, ex_class, is_set)
# define SKM_ASN1_seq_pack(type, st, i2d_func, buf, len) \
ASN1_seq_pack(CHECKED_PTR_OF(STACK_OF(type), st), \
CHECKED_I2D_OF(type, i2d_func), buf, len)
# define SKM_ASN1_seq_unpack(type, buf, len, d2i_func, free_func) \
(STACK_OF(type) *)ASN1_seq_unpack(buf, \
len, CHECKED_D2I_OF(type, d2i_func), \
CHECKED_SK_FREE_FUNC(type, free_func))
# define SKM_PKCS12_decrypt_d2i(type, algor, d2i_func, free_func, pass, passlen, oct, seq) \
(STACK_OF(type) *)PKCS12_decrypt_d2i(algor, \
CHECKED_D2I_OF(type, d2i_func), \
CHECKED_SK_FREE_FUNC(type, free_func), \
pass, passlen, oct, seq)
EOF
my $old_stackfile;
{
local $/ = undef;
open(IN, "$safestack") || die "Can't open $safestack, $!";
$old_stackfile = <IN>;
close(IN);
}
my $type_thing;
foreach $type_thing (sort @stacklst) {
$new_stackfile .= <<EOF;
# define sk_${type_thing}_new(cmp) SKM_sk_new($type_thing, (cmp))
# define sk_${type_thing}_new_null() SKM_sk_new_null($type_thing)
# define sk_${type_thing}_free(st) SKM_sk_free($type_thing, (st))
# define sk_${type_thing}_num(st) SKM_sk_num($type_thing, (st))
# define sk_${type_thing}_value(st, i) SKM_sk_value($type_thing, (st), (i))
# define sk_${type_thing}_set(st, i, val) SKM_sk_set($type_thing, (st), (i), (val))
# define sk_${type_thing}_zero(st) SKM_sk_zero($type_thing, (st))
# define sk_${type_thing}_push(st, val) SKM_sk_push($type_thing, (st), (val))
# define sk_${type_thing}_unshift(st, val) SKM_sk_unshift($type_thing, (st), (val))
# define sk_${type_thing}_find(st, val) SKM_sk_find($type_thing, (st), (val))
# define sk_${type_thing}_find_ex(st, val) SKM_sk_find_ex($type_thing, (st), (val))
# define sk_${type_thing}_delete(st, i) SKM_sk_delete($type_thing, (st), (i))
# define sk_${type_thing}_delete_ptr(st, ptr) SKM_sk_delete_ptr($type_thing, (st), (ptr))
# define sk_${type_thing}_insert(st, val, i) SKM_sk_insert($type_thing, (st), (val), (i))
# define sk_${type_thing}_set_cmp_func(st, cmp) SKM_sk_set_cmp_func($type_thing, (st), (cmp))
# define sk_${type_thing}_dup(st) SKM_sk_dup($type_thing, st)
# define sk_${type_thing}_pop_free(st, free_func) SKM_sk_pop_free($type_thing, (st), (free_func))
# define sk_${type_thing}_deep_copy(st, copy_func, free_func) SKM_sk_deep_copy($type_thing, (st), (copy_func), (free_func))
# define sk_${type_thing}_shift(st) SKM_sk_shift($type_thing, (st))
# define sk_${type_thing}_pop(st) SKM_sk_pop($type_thing, (st))
# define sk_${type_thing}_sort(st) SKM_sk_sort($type_thing, (st))
# define sk_${type_thing}_is_sorted(st) SKM_sk_is_sorted($type_thing, (st))
EOF
}
foreach $type_thing (sort { $a->[0] cmp $b->[0]} @sstacklst) {
my $t1 = $type_thing->[0];
my $t2 = $type_thing->[1];
$new_stackfile .= <<EOF;
# define sk_${t1}_new(cmp) ((STACK_OF($t1) *)sk_new(CHECKED_SK_CMP_FUNC($t2, cmp)))
# define sk_${t1}_new_null() ((STACK_OF($t1) *)sk_new_null())
# define sk_${t1}_push(st, val) sk_push(CHECKED_STACK_OF($t1, st), CHECKED_PTR_OF($t2, val))
# define sk_${t1}_find(st, val) sk_find(CHECKED_STACK_OF($t1, st), CHECKED_PTR_OF($t2, val))
# define sk_${t1}_value(st, i) (($t1)sk_value(CHECKED_STACK_OF($t1, st), i))
# define sk_${t1}_num(st) SKM_sk_num($t1, st)
# define sk_${t1}_pop_free(st, free_func) sk_pop_free(CHECKED_STACK_OF($t1, st), CHECKED_SK_FREE_FUNC($t2, free_func))
# define sk_${t1}_deep_copy(st, copy_func, free_func) ((STACK_OF($t1) *)sk_deep_copy(CHECKED_STACK_OF($t1, st), CHECKED_SK_COPY_FUNC($t2, copy_func), CHECKED_SK_FREE_FUNC($t2, free_func)))
# define sk_${t1}_insert(st, val, i) sk_insert(CHECKED_STACK_OF($t1, st), CHECKED_PTR_OF($t2, val), i)
# define sk_${t1}_free(st) SKM_sk_free(${t1}, st)
# define sk_${t1}_set(st, i, val) sk_set(CHECKED_STACK_OF($t1, st), i, CHECKED_PTR_OF($t2, val))
# define sk_${t1}_zero(st) SKM_sk_zero($t1, (st))
# define sk_${t1}_unshift(st, val) sk_unshift(CHECKED_STACK_OF($t1, st), CHECKED_PTR_OF($t2, val))
# define sk_${t1}_find_ex(st, val) sk_find_ex((_STACK *)CHECKED_CONST_PTR_OF(STACK_OF($t1), st), CHECKED_CONST_PTR_OF($t2, val))
# define sk_${t1}_delete(st, i) SKM_sk_delete($t1, (st), (i))
# define sk_${t1}_delete_ptr(st, ptr) ($t1 *)sk_delete_ptr(CHECKED_STACK_OF($t1, st), CHECKED_PTR_OF($t2, ptr))
# define sk_${t1}_set_cmp_func(st, cmp) \\
((int (*)(const $t2 * const *,const $t2 * const *)) \\
sk_set_cmp_func(CHECKED_STACK_OF($t1, st), CHECKED_SK_CMP_FUNC($t2, cmp)))
# define sk_${t1}_dup(st) SKM_sk_dup($t1, st)
# define sk_${t1}_shift(st) SKM_sk_shift($t1, (st))
# define sk_${t1}_pop(st) ($t2 *)sk_pop(CHECKED_STACK_OF($t1, st))
# define sk_${t1}_sort(st) SKM_sk_sort($t1, (st))
# define sk_${t1}_is_sorted(st) SKM_sk_is_sorted($t1, (st))
EOF
}
foreach $type_thing (sort @lhashlst) {
my $lc_tt = lc $type_thing;
$new_stackfile .= <<EOF;
# define lh_${type_thing}_new() LHM_lh_new(${type_thing},${lc_tt})
# define lh_${type_thing}_insert(lh,inst) LHM_lh_insert(${type_thing},lh,inst)
# define lh_${type_thing}_retrieve(lh,inst) LHM_lh_retrieve(${type_thing},lh,inst)
# define lh_${type_thing}_delete(lh,inst) LHM_lh_delete(${type_thing},lh,inst)
# define lh_${type_thing}_doall(lh,fn) LHM_lh_doall(${type_thing},lh,fn)
# define lh_${type_thing}_doall_arg(lh,fn,arg_type,arg) \\
LHM_lh_doall_arg(${type_thing},lh,fn,arg_type,arg)
# define lh_${type_thing}_error(lh) LHM_lh_error(${type_thing},lh)
# define lh_${type_thing}_num_items(lh) LHM_lh_num_items(${type_thing},lh)
# define lh_${type_thing}_down_load(lh) LHM_lh_down_load(${type_thing},lh)
# define lh_${type_thing}_node_stats_bio(lh,out) \\
LHM_lh_node_stats_bio(${type_thing},lh,out)
# define lh_${type_thing}_node_usage_stats_bio(lh,out) \\
LHM_lh_node_usage_stats_bio(${type_thing},lh,out)
# define lh_${type_thing}_stats_bio(lh,out) \\
LHM_lh_stats_bio(${type_thing},lh,out)
# define lh_${type_thing}_free(lh) LHM_lh_free(${type_thing},lh)
EOF
}
$new_stackfile .= <<'EOF';
# ifdef __cplusplus
}
# endif
#endif
EOF
if ($new_stackfile eq $old_stackfile) {
print "No changes to $safestack.\n";
}
elsif ($do_write) {
print "Writing new $safestack.\n";
open OUT, ">$safestack" || die "Can't open $safestack for writing, $!";
print OUT $new_stackfile;
close OUT;
}
exit 0;
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