923 lines
22 KiB
C
923 lines
22 KiB
C
/*
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* Copyright (c) 1997 - 2005 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Portions Copyright (c) 2009 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "gen_locl.h"
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static const char *symbol_name(const char *, const Type *);
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static void generate_template_type(const char *, const char **, const char *, const char *, const char *,
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Type *, int, int, int);
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static const char *
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ttype_symbol(const char *basename, const Type *t)
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{
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return t->symbol->gen_name;
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}
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static const char *
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integer_symbol(const char *basename, const Type *t)
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{
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if (t->members)
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return "int"; /* XXX enum foo */
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else if (t->range == NULL)
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return "heim_integer";
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else if (t->range->min < INT_MIN && t->range->max <= INT64_MAX)
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return "int64_t";
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else if (t->range->min >= 0 && t->range->max > UINT_MAX)
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return "uint64_t";
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else if (t->range->min >= INT_MIN && t->range->max <= INT_MAX)
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return "int";
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else if (t->range->min >= 0 && t->range->max <= UINT_MAX)
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return "unsigned";
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else {
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abort();
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UNREACHABLE(return NULL);
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}
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}
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static const char *
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boolean_symbol(const char *basename, const Type *t)
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{
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return "int";
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}
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static const char *
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octetstring_symbol(const char *basename, const Type *t)
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{
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return "heim_octet_string";
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}
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static const char *
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sequence_symbol(const char *basename, const Type *t)
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{
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return basename;
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}
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static const char *
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time_symbol(const char *basename, const Type *t)
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{
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return "time_t";
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}
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static const char *
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tag_symbol(const char *basename, const Type *t)
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{
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return symbol_name(basename, t->subtype);
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}
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static const char *
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generalstring_symbol(const char *basename, const Type *t)
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{
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return "heim_general_string";
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}
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static const char *
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printablestring_symbol(const char *basename, const Type *t)
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{
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return "heim_printable_string";
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}
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static const char *
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ia5string_symbol(const char *basename, const Type *t)
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{
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return "heim_ia5_string";
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}
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static const char *
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visiblestring_symbol(const char *basename, const Type *t)
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{
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return "heim_visible_string";
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}
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static const char *
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utf8string_symbol(const char *basename, const Type *t)
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{
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return "heim_utf8_string";
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}
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static const char *
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bmpstring_symbol(const char *basename, const Type *t)
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{
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return "heim_bmp_string";
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}
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static const char *
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universalstring_symbol(const char *basename, const Type *t)
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{
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return "heim_universal_string";
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}
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static const char *
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oid_symbol(const char *basename, const Type *t)
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{
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return "heim_oid";
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}
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static const char *
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bitstring_symbol(const char *basename, const Type *t)
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{
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if (t->members)
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return basename;
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return "heim_bit_string";
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}
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struct {
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enum typetype type;
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const char *(*symbol_name)(const char *, const Type *);
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int is_struct;
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} types[] = {
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{ TBMPString, bmpstring_symbol, 0 },
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{ TBitString, bitstring_symbol, 0 },
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{ TBoolean, boolean_symbol, 0 },
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{ TGeneralString, generalstring_symbol, 0 },
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{ TGeneralizedTime, time_symbol, 0 },
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{ TIA5String, ia5string_symbol, 0 },
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{ TInteger, integer_symbol, 0 },
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{ TOID, oid_symbol, 0 },
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{ TOctetString, octetstring_symbol, 0 },
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{ TPrintableString, printablestring_symbol, 0 },
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{ TSequence, sequence_symbol, 1 },
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{ TSequenceOf, tag_symbol, 1 },
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{ TSetOf, tag_symbol, 1 },
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{ TTag, tag_symbol, 1 },
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{ TType, ttype_symbol, 1 },
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{ TUTCTime, time_symbol, 0 },
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{ TUniversalString, universalstring_symbol, 0 },
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{ TVisibleString, visiblestring_symbol, 0 },
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{ TUTF8String, utf8string_symbol, 0 },
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{ TChoice, sequence_symbol, 1 },
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{ TNull, integer_symbol, 1 }
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};
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static FILE *
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get_code_file(void)
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{
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if (!one_code_file)
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return templatefile;
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return codefile;
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}
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static int
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is_supported_type_p(const Type *t)
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{
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size_t i;
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for (i = 0; i < sizeof(types)/sizeof(types[0]); i++)
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if (t->type == types[i].type)
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return 1;
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return 0;
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}
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int
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is_template_compat (const Symbol *s)
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{
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return is_supported_type_p(s->type);
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}
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static const char *
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symbol_name(const char *basename, const Type *t)
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{
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size_t i;
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for (i = 0; i < sizeof(types)/sizeof(types[0]); i++)
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if (t->type == types[i].type)
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return (types[i].symbol_name)(basename, t);
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printf("unknown der type: %d\n", t->type);
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exit(1);
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}
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static char *
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partial_offset(const char *basetype, const char *name, int need_offset)
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{
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char *str;
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if (name == NULL || need_offset == 0)
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return strdup("0");
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if (asprintf(&str, "offsetof(struct %s, %s)", basetype, name) < 0 || str == NULL)
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errx(1, "malloc");
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return str;
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}
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struct template {
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char *line;
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char *tt;
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char *offset;
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char *ptr;
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ASN1_TAILQ_ENTRY(template) members;
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};
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ASN1_TAILQ_HEAD(templatehead, template);
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struct tlist {
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char *name;
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char *header;
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struct templatehead template;
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ASN1_TAILQ_ENTRY(tlist) tmembers;
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};
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ASN1_TAILQ_HEAD(tlisthead, tlist);
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static void tlist_header(struct tlist *, const char *, ...) __attribute__((__format__(__printf__, 2, 3)));
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static struct template *
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add_line(struct templatehead *, const char *, ...) __attribute__((__format__(__printf__, 2, 3)));
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static int tlist_cmp(const struct tlist *, const struct tlist *);
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static void add_line_pointer(struct templatehead *, const char *, const char *, const char *, ...)
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__attribute__((__format__(__printf__, 4, 5)));
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static struct tlisthead tlistmaster = ASN1_TAILQ_HEAD_INITIALIZER(tlistmaster);
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static unsigned long numdups = 0;
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static struct tlist *
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tlist_new(const char *name)
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{
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struct tlist *tl = calloc(1, sizeof(*tl));
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tl->name = strdup(name);
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ASN1_TAILQ_INIT(&tl->template);
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return tl;
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}
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static void
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tlist_header(struct tlist *t, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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if (vasprintf(&t->header, fmt, ap) < 0 || t->header == NULL)
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errx(1, "malloc");
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va_end(ap);
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}
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static unsigned long
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tlist_count(struct tlist *tl)
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{
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unsigned int count = 0;
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struct template *q;
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ASN1_TAILQ_FOREACH(q, &tl->template, members) {
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count++;
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}
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return count;
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}
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static void
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tlist_add(struct tlist *tl)
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{
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ASN1_TAILQ_INSERT_TAIL(&tlistmaster, tl, tmembers);
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}
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static void
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tlist_print(struct tlist *tl)
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{
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struct template *q;
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unsigned int i = 1;
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FILE *f = get_code_file();
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fprintf(f, "static const struct asn1_template asn1_%s[] = {\n", tl->name);
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fprintf(f, "/* 0 */ %s,\n", tl->header);
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ASN1_TAILQ_FOREACH(q, &tl->template, members) {
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int last = (ASN1_TAILQ_LAST(&tl->template, templatehead) == q);
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fprintf(f, "/* %lu */ %s%s\n", (unsigned long)i++, q->line, last ? "" : ",");
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}
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fprintf(f, "};\n");
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}
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static struct tlist *
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tlist_find_by_name(const char *name)
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{
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struct tlist *ql;
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ASN1_TAILQ_FOREACH(ql, &tlistmaster, tmembers) {
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if (strcmp(ql->name, name) == 0)
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return ql;
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}
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return NULL;
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}
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static int
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tlist_cmp_name(const char *tname, const char *qname)
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{
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struct tlist *tl = tlist_find_by_name(tname);
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struct tlist *ql = tlist_find_by_name(qname);
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return tlist_cmp(tl, ql);
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}
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static int
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tlist_cmp(const struct tlist *tl, const struct tlist *ql)
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{
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int ret;
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struct template *t, *q;
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ret = strcmp(tl->header, ql->header);
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if (ret) return ret;
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q = ASN1_TAILQ_FIRST(&ql->template);
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ASN1_TAILQ_FOREACH(t, &tl->template, members) {
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if (q == NULL) return 1;
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if (t->ptr == NULL || q->ptr == NULL) {
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ret = strcmp(t->line, q->line);
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if (ret) return ret;
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} else {
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ret = strcmp(t->tt, q->tt);
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if (ret) return ret;
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ret = strcmp(t->offset, q->offset);
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if (ret) return ret;
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if ((ret = strcmp(t->ptr, q->ptr)) != 0 ||
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(ret = tlist_cmp_name(t->ptr, q->ptr)) != 0)
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return ret;
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}
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q = ASN1_TAILQ_NEXT(q, members);
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}
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if (q != NULL) return -1;
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return 0;
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}
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static const char *
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tlist_find_dup(const struct tlist *tl)
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{
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struct tlist *ql;
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ASN1_TAILQ_FOREACH(ql, &tlistmaster, tmembers) {
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if (tlist_cmp(ql, tl) == 0) {
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numdups++;
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return ql->name;
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}
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}
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return NULL;
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}
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/*
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*
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*/
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static struct template *
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add_line(struct templatehead *t, const char *fmt, ...)
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{
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struct template *q = calloc(1, sizeof(*q));
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va_list ap;
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va_start(ap, fmt);
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if (vasprintf(&q->line, fmt, ap) < 0 || q->line == NULL)
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errx(1, "malloc");
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va_end(ap);
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ASN1_TAILQ_INSERT_TAIL(t, q, members);
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return q;
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}
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static void
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add_line_pointer(struct templatehead *t,
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const char *ptr,
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const char *offset,
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const char *ttfmt,
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...)
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{
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struct template *q;
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va_list ap;
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char *tt = NULL;
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va_start(ap, ttfmt);
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if (vasprintf(&tt, ttfmt, ap) < 0 || tt == NULL)
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errx(1, "malloc");
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va_end(ap);
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q = add_line(t, "{ %s, %s, asn1_%s }", tt, offset, ptr);
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q->tt = tt;
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q->offset = strdup(offset);
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q->ptr = strdup(ptr);
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}
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static int
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use_extern(const Symbol *s)
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{
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if (s->type == NULL)
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return 1;
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return 0;
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}
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static int
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is_struct(Type *t, int isstruct)
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{
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size_t i;
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if (t->type == TType)
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return 0;
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if (t->type == TSequence || t->type == TSet || t->type == TChoice)
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return 1;
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if (t->type == TTag)
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return is_struct(t->subtype, isstruct);
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for (i = 0; i < sizeof(types)/sizeof(types[0]); i++) {
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if (t->type == types[i].type) {
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if (types[i].is_struct == 0)
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return 0;
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else
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break;
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}
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}
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|
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return isstruct;
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}
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|
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static const Type *
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compact_tag(const Type *t)
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{
|
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while (t->type == TTag)
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t = t->subtype;
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return t;
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}
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|
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static void
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template_members(struct templatehead *temp, const char *basetype, const char *name, const Type *t, int optional, int isstruct, int need_offset)
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{
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char *poffset = NULL;
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if (optional && t->type != TTag && t->type != TType)
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errx(1, "%s...%s is optional and not a (TTag or TType)", basetype, name);
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poffset = partial_offset(basetype, name, need_offset);
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|
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switch (t->type) {
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case TType:
|
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if (use_extern(t->symbol)) {
|
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add_line(temp, "{ A1_OP_TYPE_EXTERN %s, %s, &asn1_extern_%s}",
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optional ? "|A1_FLAG_OPTIONAL" : "",
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poffset, t->symbol->gen_name);
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} else {
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add_line_pointer(temp, t->symbol->gen_name, poffset,
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"A1_OP_TYPE %s", optional ? "|A1_FLAG_OPTIONAL" : "");
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}
|
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break;
|
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case TInteger: {
|
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char *itype = NULL;
|
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|
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if (t->members)
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itype = "IMEMBER";
|
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else if (t->range == NULL)
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itype = "HEIM_INTEGER";
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else if (t->range->min < INT_MIN && t->range->max <= INT64_MAX)
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itype = "INTEGER64";
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else if (t->range->min >= 0 && t->range->max > UINT_MAX)
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itype = "UNSIGNED64";
|
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else if (t->range->min >= INT_MIN && t->range->max <= INT_MAX)
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itype = "INTEGER";
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else if (t->range->min >= 0 && t->range->max <= UINT_MAX)
|
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itype = "UNSIGNED";
|
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else
|
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errx(1, "%s: unsupported range %lld -> %lld",
|
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name, (long long)t->range->min, (long long)t->range->max);
|
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|
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add_line(temp, "{ A1_PARSE_T(A1T_%s), %s, NULL }", itype, poffset);
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break;
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}
|
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case TGeneralString:
|
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add_line(temp, "{ A1_PARSE_T(A1T_GENERAL_STRING), %s, NULL }", poffset);
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break;
|
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case TTeletexString:
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add_line(temp, "{ A1_PARSE_T(A1T_TELETEX_STRING), %s, NULL }", poffset);
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break;
|
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case TPrintableString:
|
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add_line(temp, "{ A1_PARSE_T(A1T_PRINTABLE_STRING), %s, NULL }", poffset);
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break;
|
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case TOctetString:
|
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add_line(temp, "{ A1_PARSE_T(A1T_OCTET_STRING), %s, NULL }", poffset);
|
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break;
|
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case TIA5String:
|
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add_line(temp, "{ A1_PARSE_T(A1T_IA5_STRING), %s, NULL }", poffset);
|
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break;
|
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case TBMPString:
|
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add_line(temp, "{ A1_PARSE_T(A1T_BMP_STRING), %s, NULL }", poffset);
|
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break;
|
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case TUniversalString:
|
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add_line(temp, "{ A1_PARSE_T(A1T_UNIVERSAL_STRING), %s, NULL }", poffset);
|
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break;
|
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case TVisibleString:
|
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add_line(temp, "{ A1_PARSE_T(A1T_VISIBLE_STRING), %s, NULL }", poffset);
|
|
break;
|
|
case TUTF8String:
|
|
add_line(temp, "{ A1_PARSE_T(A1T_UTF8_STRING), %s, NULL }", poffset);
|
|
break;
|
|
case TGeneralizedTime:
|
|
add_line(temp, "{ A1_PARSE_T(A1T_GENERALIZED_TIME), %s, NULL }", poffset);
|
|
break;
|
|
case TUTCTime:
|
|
add_line(temp, "{ A1_PARSE_T(A1T_UTC_TIME), %s, NULL }", poffset);
|
|
break;
|
|
case TBoolean:
|
|
add_line(temp, "{ A1_PARSE_T(A1T_BOOLEAN), %s, NULL }", poffset);
|
|
break;
|
|
case TOID:
|
|
add_line(temp, "{ A1_PARSE_T(A1T_OID), %s, NULL }", poffset);
|
|
break;
|
|
case TNull:
|
|
break;
|
|
case TBitString: {
|
|
struct templatehead template = ASN1_TAILQ_HEAD_INITIALIZER(template);
|
|
struct template *q;
|
|
Member *m;
|
|
size_t count = 0, i;
|
|
char *bname = NULL;
|
|
FILE *f = get_code_file();
|
|
|
|
if (ASN1_TAILQ_EMPTY(t->members)) {
|
|
add_line(temp, "{ A1_PARSE_T(A1T_HEIM_BIT_STRING), %s, NULL }", poffset);
|
|
break;
|
|
}
|
|
|
|
if (asprintf(&bname, "bmember_%s_%p", name ? name : "", t) < 0 || bname == NULL)
|
|
errx(1, "malloc");
|
|
output_name(bname);
|
|
|
|
ASN1_TAILQ_FOREACH(m, t->members, members) {
|
|
add_line(&template, "{ 0, %d, 0 } /* %s */", m->val, m->gen_name);
|
|
}
|
|
|
|
ASN1_TAILQ_FOREACH(q, &template, members) {
|
|
count++;
|
|
}
|
|
|
|
fprintf(f, "static const struct asn1_template asn1_%s_%s[] = {\n", basetype, bname);
|
|
fprintf(f, "/* 0 */ { 0%s, sizeof(%s), ((void *)%lu) },\n",
|
|
rfc1510_bitstring ? "|A1_HBF_RFC1510" : "",
|
|
basetype, (unsigned long)count);
|
|
i = 1;
|
|
ASN1_TAILQ_FOREACH(q, &template, members) {
|
|
int last = (ASN1_TAILQ_LAST(&template, templatehead) == q);
|
|
fprintf(f, "/* %lu */ %s%s\n", (unsigned long)i++, q->line, last ? "" : ",");
|
|
}
|
|
fprintf(f, "};\n");
|
|
|
|
add_line(temp, "{ A1_OP_BMEMBER, %s, asn1_%s_%s }", poffset, basetype, bname);
|
|
|
|
free(bname);
|
|
|
|
break;
|
|
}
|
|
case TSequence: {
|
|
Member *m;
|
|
|
|
ASN1_TAILQ_FOREACH(m, t->members, members) {
|
|
char *newbasename = NULL;
|
|
|
|
if (m->ellipsis)
|
|
continue;
|
|
|
|
if (name) {
|
|
if (asprintf(&newbasename, "%s_%s", basetype, name) < 0)
|
|
errx(1, "malloc");
|
|
} else
|
|
newbasename = strdup(basetype);
|
|
if (newbasename == NULL)
|
|
errx(1, "malloc");
|
|
|
|
template_members(temp, newbasename, m->gen_name, m->type, m->optional, isstruct, 1);
|
|
|
|
free(newbasename);
|
|
}
|
|
|
|
break;
|
|
}
|
|
case TTag: {
|
|
char *tname = NULL, *elname = NULL;
|
|
const char *sename, *dupname;
|
|
int subtype_is_struct = is_struct(t->subtype, isstruct);
|
|
|
|
if (subtype_is_struct)
|
|
sename = basetype;
|
|
else
|
|
sename = symbol_name(basetype, t->subtype);
|
|
|
|
if (asprintf(&tname, "tag_%s_%p", name ? name : "", t) < 0 || tname == NULL)
|
|
errx(1, "malloc");
|
|
output_name(tname);
|
|
|
|
if (asprintf(&elname, "%s_%s", basetype, tname) < 0 || elname == NULL)
|
|
errx(1, "malloc");
|
|
|
|
generate_template_type(elname, &dupname, NULL, sename, name,
|
|
t->subtype, 0, subtype_is_struct, 0);
|
|
|
|
add_line_pointer(temp, dupname, poffset,
|
|
"A1_TAG_T(%s,%s,%s)%s",
|
|
classname(t->tag.tagclass),
|
|
is_primitive_type(t->subtype->type) ? "PRIM" : "CONS",
|
|
valuename(t->tag.tagclass, t->tag.tagvalue),
|
|
optional ? "|A1_FLAG_OPTIONAL" : "");
|
|
|
|
free(tname);
|
|
free(elname);
|
|
|
|
break;
|
|
}
|
|
case TSetOf:
|
|
case TSequenceOf: {
|
|
const char *type = NULL, *tname, *dupname;
|
|
char *sename = NULL, *elname = NULL;
|
|
int subtype_is_struct = is_struct(t->subtype, 0);
|
|
|
|
if (name && subtype_is_struct) {
|
|
tname = "seofTstruct";
|
|
if (asprintf(&sename, "%s_%s_val", basetype, name) < 0)
|
|
errx(1, "malloc");
|
|
} else if (subtype_is_struct) {
|
|
tname = "seofTstruct";
|
|
if (asprintf(&sename, "%s_val", symbol_name(basetype, t->subtype)) < 0)
|
|
errx(1, "malloc");
|
|
} else {
|
|
if (name)
|
|
tname = name;
|
|
else
|
|
tname = "seofTstruct";
|
|
sename = strdup(symbol_name(basetype, t->subtype));
|
|
}
|
|
if (sename == NULL)
|
|
errx(1, "malloc");
|
|
|
|
if (t->type == TSetOf) type = "A1_OP_SETOF";
|
|
else if (t->type == TSequenceOf) type = "A1_OP_SEQOF";
|
|
else abort();
|
|
|
|
if (asprintf(&elname, "%s_%s_%p", basetype, tname, t) < 0 || elname == NULL)
|
|
errx(1, "malloc");
|
|
|
|
generate_template_type(elname, &dupname, NULL, sename, NULL, t->subtype,
|
|
0, subtype_is_struct, need_offset);
|
|
|
|
add_line(temp, "{ %s, %s, asn1_%s }", type, poffset, dupname);
|
|
free(sename);
|
|
break;
|
|
}
|
|
case TChoice: {
|
|
struct templatehead template = ASN1_TAILQ_HEAD_INITIALIZER(template);
|
|
struct template *q;
|
|
size_t count = 0, i;
|
|
char *tname = NULL;
|
|
FILE *f = get_code_file();
|
|
Member *m;
|
|
int ellipsis = 0;
|
|
char *e;
|
|
|
|
if (asprintf(&tname, "asn1_choice_%s_%s%x",
|
|
basetype, name ? name : "", (unsigned int)(uintptr_t)t) < 0 || tname == NULL)
|
|
errx(1, "malloc");
|
|
|
|
ASN1_TAILQ_FOREACH(m, t->members, members) {
|
|
const char *dupname;
|
|
char *elname = NULL;
|
|
char *newbasename = NULL;
|
|
int subtype_is_struct;
|
|
|
|
if (m->ellipsis) {
|
|
ellipsis = 1;
|
|
continue;
|
|
}
|
|
|
|
subtype_is_struct = is_struct(m->type, 0);
|
|
|
|
if (asprintf(&elname, "%s_choice_%s", basetype, m->gen_name) < 0 || elname == NULL)
|
|
errx(1, "malloc");
|
|
|
|
if (subtype_is_struct) {
|
|
if (asprintf(&newbasename, "%s_%s", basetype, m->gen_name) < 0)
|
|
errx(1, "malloc");
|
|
} else
|
|
newbasename = strdup(basetype);
|
|
|
|
if (newbasename == NULL)
|
|
errx(1, "malloc");
|
|
|
|
|
|
generate_template_type(elname, &dupname, NULL,
|
|
symbol_name(newbasename, m->type),
|
|
NULL, m->type, 0, subtype_is_struct, 1);
|
|
|
|
add_line(&template, "{ %s, offsetof(%s%s, u.%s), asn1_%s }",
|
|
m->label, isstruct ? "struct " : "",
|
|
basetype, m->gen_name,
|
|
dupname);
|
|
|
|
free(elname);
|
|
free(newbasename);
|
|
}
|
|
|
|
e = NULL;
|
|
if (ellipsis) {
|
|
if (asprintf(&e, "offsetof(%s%s, u.asn1_ellipsis)", isstruct ? "struct " : "", basetype) < 0 || e == NULL)
|
|
errx(1, "malloc");
|
|
}
|
|
|
|
ASN1_TAILQ_FOREACH(q, &template, members) {
|
|
count++;
|
|
}
|
|
|
|
fprintf(f, "static const struct asn1_template %s[] = {\n", tname);
|
|
fprintf(f, "/* 0 */ { %s, offsetof(%s%s, element), ((void *)%lu) },\n",
|
|
e ? e : "0", isstruct ? "struct " : "", basetype, (unsigned long)count);
|
|
i = 1;
|
|
ASN1_TAILQ_FOREACH(q, &template, members) {
|
|
int last = (ASN1_TAILQ_LAST(&template, templatehead) == q);
|
|
fprintf(f, "/* %lu */ %s%s\n", (unsigned long)i++, q->line, last ? "" : ",");
|
|
}
|
|
fprintf(f, "};\n");
|
|
|
|
add_line(temp, "{ A1_OP_CHOICE, %s, %s }", poffset, tname);
|
|
|
|
free(e);
|
|
free(tname);
|
|
break;
|
|
}
|
|
default:
|
|
abort ();
|
|
}
|
|
if (poffset)
|
|
free(poffset);
|
|
}
|
|
|
|
static void
|
|
gen_extern_stubs(FILE *f, const char *name)
|
|
{
|
|
fprintf(f,
|
|
"static const struct asn1_type_func asn1_extern_%s = {\n"
|
|
"\t(asn1_type_encode)encode_%s,\n"
|
|
"\t(asn1_type_decode)decode_%s,\n"
|
|
"\t(asn1_type_length)length_%s,\n"
|
|
"\t(asn1_type_copy)copy_%s,\n"
|
|
"\t(asn1_type_release)free_%s,\n"
|
|
"\tsizeof(%s)\n"
|
|
"};\n",
|
|
name, name, name, name,
|
|
name, name, name);
|
|
}
|
|
|
|
void
|
|
gen_template_import(const Symbol *s)
|
|
{
|
|
FILE *f = get_code_file();
|
|
|
|
if (template_flag == 0)
|
|
return;
|
|
|
|
gen_extern_stubs(f, s->gen_name);
|
|
}
|
|
|
|
static void
|
|
generate_template_type(const char *varname,
|
|
const char **dupname,
|
|
const char *symname,
|
|
const char *basetype,
|
|
const char *name,
|
|
Type *type,
|
|
int optional, int isstruct, int need_offset)
|
|
{
|
|
struct tlist *tl;
|
|
const char *d;
|
|
int have_ellipsis = 0;
|
|
|
|
tl = tlist_new(varname);
|
|
|
|
template_members(&tl->template, basetype, name, type, optional, isstruct, need_offset);
|
|
|
|
/* if its a sequence or set type, check if there is a ellipsis */
|
|
if (type->type == TSequence || type->type == TSet) {
|
|
Member *m;
|
|
ASN1_TAILQ_FOREACH(m, type->members, members) {
|
|
if (m->ellipsis)
|
|
have_ellipsis = 1;
|
|
}
|
|
}
|
|
|
|
if (ASN1_TAILQ_EMPTY(&tl->template) && compact_tag(type)->type != TNull)
|
|
errx(1, "Tag %s...%s with no content ?", basetype, name ? name : "");
|
|
|
|
tlist_header(tl, "{ 0%s%s, sizeof(%s%s), ((void *)%lu) }",
|
|
(symname && preserve_type(symname)) ? "|A1_HF_PRESERVE" : "",
|
|
have_ellipsis ? "|A1_HF_ELLIPSIS" : "",
|
|
isstruct ? "struct " : "", basetype, tlist_count(tl));
|
|
|
|
d = tlist_find_dup(tl);
|
|
if (d) {
|
|
if (strcmp(d, tl->name) == 0)
|
|
errx(1, "found dup of ourself");
|
|
*dupname = d;
|
|
} else {
|
|
*dupname = tl->name;
|
|
tlist_print(tl);
|
|
tlist_add(tl);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
generate_template(const Symbol *s)
|
|
{
|
|
FILE *f = get_code_file();
|
|
const char *dupname;
|
|
|
|
if (use_extern(s)) {
|
|
gen_extern_stubs(f, s->gen_name);
|
|
return;
|
|
}
|
|
|
|
generate_template_type(s->gen_name, &dupname, s->name, s->gen_name, NULL, s->type, 0, 0, 1);
|
|
|
|
fprintf(f,
|
|
"\n"
|
|
"int\n"
|
|
"decode_%s(const unsigned char *p, size_t len, %s *data, size_t *size)\n"
|
|
"{\n"
|
|
" return _asn1_decode_top(asn1_%s, 0|%s, p, len, data, size);\n"
|
|
"}\n"
|
|
"\n",
|
|
s->gen_name,
|
|
s->gen_name,
|
|
dupname,
|
|
support_ber ? "A1_PF_ALLOW_BER" : "0");
|
|
|
|
fprintf(f,
|
|
"\n"
|
|
"int\n"
|
|
"encode_%s(unsigned char *p, size_t len, const %s *data, size_t *size)\n"
|
|
"{\n"
|
|
" return _asn1_encode(asn1_%s, p, len, data, size);\n"
|
|
"}\n"
|
|
"\n",
|
|
s->gen_name,
|
|
s->gen_name,
|
|
dupname);
|
|
|
|
fprintf(f,
|
|
"\n"
|
|
"size_t\n"
|
|
"length_%s(const %s *data)\n"
|
|
"{\n"
|
|
" return _asn1_length(asn1_%s, data);\n"
|
|
"}\n"
|
|
"\n",
|
|
s->gen_name,
|
|
s->gen_name,
|
|
dupname);
|
|
|
|
|
|
fprintf(f,
|
|
"\n"
|
|
"void\n"
|
|
"free_%s(%s *data)\n"
|
|
"{\n"
|
|
" _asn1_free(asn1_%s, data);\n"
|
|
"}\n"
|
|
"\n",
|
|
s->gen_name,
|
|
s->gen_name,
|
|
dupname);
|
|
|
|
fprintf(f,
|
|
"\n"
|
|
"int\n"
|
|
"copy_%s(const %s *from, %s *to)\n"
|
|
"{\n"
|
|
" return _asn1_copy_top(asn1_%s, from, to);\n"
|
|
"}\n"
|
|
"\n",
|
|
s->gen_name,
|
|
s->gen_name,
|
|
s->gen_name,
|
|
dupname);
|
|
}
|