diff options
author | markm <markm@FreeBSD.org> | 2000-01-09 20:58:00 +0000 |
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committer | markm <markm@FreeBSD.org> | 2000-01-09 20:58:00 +0000 |
commit | 4ecbd6db44d79348bc815f31096e53104f50838b (patch) | |
tree | 36fa73706fa0587a390c45a3fbf17c9523cb0e35 /crypto/heimdal/lib/asn1/gen_copy.c | |
download | FreeBSD-src-4ecbd6db44d79348bc815f31096e53104f50838b.zip FreeBSD-src-4ecbd6db44d79348bc815f31096e53104f50838b.tar.gz |
Import KTH Heimdal, which will be the core of our Kerberos5.
Userland to follow.
Diffstat (limited to 'crypto/heimdal/lib/asn1/gen_copy.c')
-rw-r--r-- | crypto/heimdal/lib/asn1/gen_copy.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/asn1/gen_copy.c b/crypto/heimdal/lib/asn1/gen_copy.c new file mode 100644 index 0000000..f9aa489 --- /dev/null +++ b/crypto/heimdal/lib/asn1/gen_copy.c @@ -0,0 +1,146 @@ +/* + * 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_copy.c,v 1.10 1999/12/02 17:05:02 joda Exp $"); + +static void +copy_primitive (const char *typename, const char *from, const char *to) +{ + fprintf (codefile, "if(copy_%s(%s, %s)) return ENOMEM;\n", + typename, from, to); +} + +static void +copy_type (const char *from, const char *to, const Type *t) +{ + switch (t->type) { + case TType: +#if 0 + copy_type (from, to, t->symbol->type); +#endif + fprintf (codefile, "if(copy_%s(%s, %s)) return ENOMEM;\n", + t->symbol->gen_name, from, to); + break; + case TInteger: + fprintf(codefile, "*(%s) = *(%s);\n", to, from); + break; + case TOctetString: + copy_primitive ("octet_string", from, to); + break; + case TBitString: { + fprintf(codefile, "*(%s) = *(%s);\n", to, from); + break; + } + case TSequence: { + Member *m; + int tag = -1; + + if (t->members == NULL) + break; + + for (m = t->members; m && tag != m->val; m = m->next) { + char *f; + char *t; + + asprintf (&f, "%s(%s)->%s", + m->optional ? "" : "&", from, m->gen_name); + asprintf (&t, "%s(%s)->%s", + m->optional ? "" : "&", to, m->gen_name); + if(m->optional){ + fprintf(codefile, "if(%s) {\n", f); + fprintf(codefile, "%s = malloc(sizeof(*%s));\n", t, t); + fprintf(codefile, "if(%s == NULL) return ENOMEM;\n", t); + } + copy_type (f, t, m->type); + if(m->optional){ + fprintf(codefile, "}else\n"); + fprintf(codefile, "%s = NULL;\n", t); + } + if (tag == -1) + tag = m->val; + free (f); + free (t); + } + break; + } + case TSequenceOf: { + char *f; + char *T; + + fprintf (codefile, "if(((%s)->val = " + "malloc((%s)->len * sizeof(*(%s)->val))) == NULL && (%s)->len != 0)\n", + to, from, to, from); + fprintf (codefile, "return ENOMEM;\n"); + fprintf(codefile, + "for((%s)->len = 0; (%s)->len < (%s)->len; (%s)->len++){\n", + to, to, from, to); + asprintf(&f, "&(%s)->val[(%s)->len]", from, to); + asprintf(&T, "&(%s)->val[(%s)->len]", to, to); + copy_type(f, T, t->subtype); + fprintf(codefile, "}\n"); + free(f); + free(T); + break; + } + case TGeneralizedTime: + fprintf(codefile, "*(%s) = *(%s);\n", to, from); + break; + case TGeneralString: + copy_primitive ("general_string", from, to); + break; + case TApplication: + copy_type (from, to, t->subtype); + break; + default : + abort (); + } +} + +void +generate_type_copy (const Symbol *s) +{ + fprintf (headerfile, + "int copy_%s (const %s *, %s *);\n", + s->gen_name, s->gen_name, s->gen_name); + + fprintf (codefile, "int\n" + "copy_%s(const %s *from, %s *to)\n" + "{\n", + s->gen_name, s->gen_name, s->gen_name); + + copy_type ("from", "to", s->type); + fprintf (codefile, "return 0;\n}\n\n"); +} + |