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Diffstat (limited to 'crypto/heimdal/lib/asn1/gen_decode.c')
-rw-r--r--crypto/heimdal/lib/asn1/gen_decode.c375
1 files changed, 0 insertions, 375 deletions
diff --git a/crypto/heimdal/lib/asn1/gen_decode.c b/crypto/heimdal/lib/asn1/gen_decode.c
deleted file mode 100644
index 078ac44527a2..000000000000
--- a/crypto/heimdal/lib/asn1/gen_decode.c
+++ /dev/null
@@ -1,375 +0,0 @@
-/*
- * Copyright (c) 1997 - 1999 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * 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. Neither the name of the Institute nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS 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 INSTITUTE OR 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.
- */
-
-#include "gen_locl.h"
-
-RCSID("$Id: gen_decode.c,v 1.11 1999/12/02 17:05:02 joda Exp $");
-
-static void
-decode_primitive (const char *typename, const char *name)
-{
- fprintf (codefile,
- "e = decode_%s(p, len, %s, &l);\n"
- "FORW;\n",
- typename,
- name);
-}
-
-static void
-decode_type (const char *name, const Type *t)
-{
- switch (t->type) {
- case TType:
-#if 0
- decode_type (name, t->symbol->type);
-#endif
- fprintf (codefile,
- "e = decode_%s(p, len, %s, &l);\n"
- "FORW;\n",
- t->symbol->gen_name, name);
- break;
- case TInteger:
- decode_primitive ("integer", name);
- break;
- case TOctetString:
- decode_primitive ("octet_string", name);
- break;
- case TBitString: {
- Member *m;
- int tag = -1;
- int pos;
-
- fprintf (codefile,
- "e = der_match_tag_and_length (p, len, UNIV, PRIM, UT_BitString,"
- "&reallen, &l);\n"
- "FORW;\n"
- "if(len < reallen)\n"
- "return ASN1_OVERRUN;\n"
- "p++;\n"
- "len--;\n"
- "reallen--;\n"
- "ret++;\n");
- pos = 0;
- for (m = t->members; m && tag != m->val; m = m->next) {
- while (m->val / 8 > pos / 8) {
- fprintf (codefile,
- "p++; len--; reallen--; ret++;\n");
- pos += 8;
- }
- fprintf (codefile,
- "%s->%s = (*p >> %d) & 1;\n",
- name, m->gen_name, 7 - m->val % 8);
- if (tag == -1)
- tag = m->val;
- }
- fprintf (codefile,
- "p += reallen; len -= reallen; ret += reallen;\n");
- break;
- }
- case TSequence: {
- Member *m;
- int tag = -1;
-
- if (t->members == NULL)
- break;
-
- fprintf (codefile,
- "e = der_match_tag_and_length (p, len, UNIV, CONS, UT_Sequence,"
- "&reallen, &l);\n"
- "FORW;\n"
- "{\n"
- "int dce_fix;\n"
- "if((dce_fix = fix_dce(reallen, &len)) < 0)\n"
- "return ASN1_BAD_FORMAT;\n");
-
- for (m = t->members; m && tag != m->val; m = m->next) {
- char *s;
-
- asprintf (&s, "%s(%s)->%s", m->optional ? "" : "&", name, m->gen_name);
- if (0 && m->type->type == TType){
- if(m->optional)
- fprintf (codefile,
- "%s = malloc(sizeof(*%s));\n", s, s);
- fprintf (codefile,
- "e = decode_seq_%s(p, len, %d, %d, %s, &l);\n",
- m->type->symbol->gen_name,
- m->val,
- m->optional,
- s);
- if(m->optional)
- fprintf (codefile,
- "if (e == ASN1_MISSING_FIELD) {\n"
- "free(%s);\n"
- "%s = NULL;\n"
- "e = l = 0;\n"
- "}\n",
- s, s);
-
- fprintf (codefile, "FORW;\n");
-
- }else{
- fprintf (codefile, "{\n"
- "size_t newlen, oldlen;\n\n"
- "e = der_match_tag (p, len, CONTEXT, CONS, %d, &l);\n",
- m->val);
- fprintf (codefile,
- "if (e)\n");
- if(m->optional)
- /* XXX should look at e */
- fprintf (codefile,
- "%s = NULL;\n", s);
- else
- fprintf (codefile,
- "return e;\n");
- fprintf (codefile,
- "else {\n");
- fprintf (codefile,
- "p += l;\n"
- "len -= l;\n"
- "ret += l;\n"
- "e = der_get_length (p, len, &newlen, &l);\n"
- "FORW;\n"
- "{\n"
-
- "int dce_fix;\n"
- "oldlen = len;\n"
- "if((dce_fix = fix_dce(newlen, &len)) < 0)"
- "return ASN1_BAD_FORMAT;\n");
- if (m->optional)
- fprintf (codefile,
- "%s = malloc(sizeof(*%s));\n",
- s, s);
- decode_type (s, m->type);
- fprintf (codefile,
- "if(dce_fix){\n"
- "e = der_match_tag_and_length (p, len, "
- "(Der_class)0, (Der_type)0, 0, &reallen, &l);\n"
- "FORW;\n"
- "}else \n"
- "len = oldlen - newlen;\n"
- "}\n"
- "}\n");
- fprintf (codefile,
- "}\n");
- }
- if (tag == -1)
- tag = m->val;
- free (s);
- }
- fprintf(codefile,
- "if(dce_fix){\n"
- "e = der_match_tag_and_length (p, len, "
- "(Der_class)0, (Der_type)0, 0, &reallen, &l);\n"
- "FORW;\n"
- "}\n"
- "}\n");
-
- break;
- }
- case TSequenceOf: {
- char *n;
-
- fprintf (codefile,
- "e = der_match_tag_and_length (p, len, UNIV, CONS, UT_Sequence,"
- "&reallen, &l);\n"
- "FORW;\n"
- "if(len < reallen)\n"
- "return ASN1_OVERRUN;\n"
- "len = reallen;\n");
-
- fprintf (codefile,
- "{\n"
- "size_t origlen = len;\n"
- "int oldret = ret;\n"
- "ret = 0;\n"
- "(%s)->len = 0;\n"
- "(%s)->val = NULL;\n"
- "while(ret < origlen) {\n"
- "(%s)->len++;\n"
- "(%s)->val = realloc((%s)->val, sizeof(*((%s)->val)) * (%s)->len);\n",
- name, name, name, name, name, name, name);
- asprintf (&n, "&(%s)->val[(%s)->len-1]", name, name);
- decode_type (n, t->subtype);
- fprintf (codefile,
- "len = origlen - ret;\n"
- "}\n"
- "ret += oldret;\n"
- "}\n");
- free (n);
- break;
- }
- case TGeneralizedTime:
- decode_primitive ("generalized_time", name);
- break;
- case TGeneralString:
- decode_primitive ("general_string", name);
- break;
- case TApplication:
- fprintf (codefile,
- "e = der_match_tag_and_length (p, len, APPL, CONS, %d, "
- "&reallen, &l);\n"
- "FORW;\n"
- "{\n"
- "int dce_fix;\n"
- "if((dce_fix = fix_dce(reallen, &len)) < 0)\n"
- "return ASN1_BAD_FORMAT;\n",
- t->application);
- decode_type (name, t->subtype);
- fprintf(codefile,
- "if(dce_fix){\n"
- "e = der_match_tag_and_length (p, len, "
- "(Der_class)0, (Der_type)0, 0, &reallen, &l);\n"
- "FORW;\n"
- "}\n"
- "}\n");
-
- break;
- default :
- abort ();
- }
-}
-
-void
-generate_type_decode (const Symbol *s)
-{
- fprintf (headerfile,
- "int "
- "decode_%s(const unsigned char *, size_t, %s *, size_t *);\n",
- s->gen_name, s->gen_name);
-
- fprintf (codefile, "#define FORW "
- "if(e) return e; "
- "p += l; "
- "len -= l; "
- "ret += l\n\n");
-
-
- fprintf (codefile, "int\n"
- "decode_%s(const unsigned char *p,"
- " size_t len, %s *data, size_t *size)\n"
- "{\n",
- s->gen_name, s->gen_name);
-
- switch (s->type->type) {
- case TInteger:
- fprintf (codefile, "return decode_integer (p, len, data, size);\n");
- break;
- case TOctetString:
- fprintf (codefile, "return decode_octet_string (p, len, data, size);\n");
- break;
- case TGeneralizedTime:
- fprintf (codefile, "return decode_generalized_time (p, len, data, size);\n");
- break;
- case TGeneralString:
- fprintf (codefile, "return decode_general_string (p, len, data, size);\n");
- break;
- case TBitString:
- case TSequence:
- case TSequenceOf:
- case TApplication:
- case TType:
- fprintf (codefile,
- "size_t ret = 0, reallen;\n"
- "size_t l;\n"
- "int i, e;\n\n");
- fprintf(codefile, "i = 0;\n"); /* hack to avoid `unused variable' */
-
- decode_type ("data", s->type);
- fprintf (codefile,
- "if(size) *size = ret;\n"
- "return 0;\n");
- break;
- default:
- abort ();
- }
- fprintf (codefile, "}\n\n");
-}
-
-void
-generate_seq_type_decode (const Symbol *s)
-{
- fprintf (headerfile,
- "int decode_seq_%s(const unsigned char *, size_t, int, int, "
- "%s *, size_t *);\n",
- s->gen_name, s->gen_name);
-
- fprintf (codefile, "int\n"
- "decode_seq_%s(const unsigned char *p, size_t len, int tag, "
- "int optional, %s *data, size_t *size)\n"
- "{\n",
- s->gen_name, s->gen_name);
-
- fprintf (codefile,
- "size_t newlen, oldlen;\n"
- "size_t l, ret = 0;\n"
- "int e;\n"
- "int dce_fix;\n");
-
- fprintf (codefile,
- "e = der_match_tag(p, len, CONTEXT, CONS, tag, &l);\n"
- "if (e)\n"
- "return e;\n");
- fprintf (codefile,
- "p += l;\n"
- "len -= l;\n"
- "ret += l;\n"
- "e = der_get_length(p, len, &newlen, &l);\n"
- "if (e)\n"
- "return e;\n"
- "p += l;\n"
- "len -= l;\n"
- "ret += l;\n"
- "oldlen = len;\n"
- "if ((dce_fix = fix_dce(newlen, &len)) < 0)\n"
- "return ASN1_BAD_FORMAT;\n"
- "e = decode_%s(p, len, data, &l);\n"
- "if (e)\n"
- "return e;\n"
- "p += l;\n"
- "len -= l;\n"
- "ret += l;\n"
- "if (dce_fix) {\n"
- "size_t reallen;\n\n"
- "e = der_match_tag_and_length(p, len, "
- "(Der_class)0, (Der_type)0, 0, &reallen, &l);\n"
- "if (e)\n"
- "return e;\n"
- "ret += l;\n"
- "}\n",
- s->gen_name);
- fprintf (codefile,
- "if(size) *size = ret;\n"
- "return 0;\n");
-
- fprintf (codefile, "}\n\n");
-}
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