diff options
Diffstat (limited to 'crypto/heimdal/lib/asn1/gen_length.c')
-rw-r--r-- | crypto/heimdal/lib/asn1/gen_length.c | 170 |
1 files changed, 91 insertions, 79 deletions
diff --git a/crypto/heimdal/lib/asn1/gen_length.c b/crypto/heimdal/lib/asn1/gen_length.c index 1c3566d..ca2af6f 100644 --- a/crypto/heimdal/lib/asn1/gen_length.c +++ b/crypto/heimdal/lib/asn1/gen_length.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997 - 1999 Kungliga Tekniska Högskolan + * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * @@ -33,7 +33,7 @@ #include "gen_locl.h" -RCSID("$Id: gen_length.c,v 1.7 1999/12/02 17:05:02 joda Exp $"); +RCSID("$Id: gen_length.c,v 1.10 2000/06/21 22:40:53 assar Exp $"); static void length_primitive (const char *typename, @@ -46,91 +46,103 @@ length_primitive (const char *typename, static void length_type (const char *name, const Type *t, const char *variable) { - switch (t->type) { - case TType: + switch (t->type) { + case TType: #if 0 - length_type (name, t->symbol->type); + length_type (name, t->symbol->type); #endif - fprintf (codefile, "%s += length_%s(%s);\n", - variable, t->symbol->gen_name, name); - break; - case TInteger: - length_primitive ("integer", name, variable); - break; - case TOctetString: - length_primitive ("octet_string", name, variable); - break; - case TBitString: { - /* - * XXX - Hope this is correct - * look at TBitString case in `encode_type' - */ - fprintf (codefile, "%s += 7;\n", variable); - break; - } - case TSequence: { - Member *m; - int tag = -1; + fprintf (codefile, "%s += length_%s(%s);\n", + variable, t->symbol->gen_name, name); + break; + case TInteger: + if(t->members == NULL) + length_primitive ("integer", name, variable); + else { + char *s; + asprintf(&s, "(const int*)%s", name); + if(s == NULL) + errx (1, "out of memory"); + length_primitive ("integer", s, variable); + free(s); + } + break; + case TUInteger: + length_primitive ("unsigned", name, variable); + break; + case TOctetString: + length_primitive ("octet_string", name, variable); + break; + case TBitString: { + /* + * XXX - Hope this is correct + * look at TBitString case in `encode_type' + */ + fprintf (codefile, "%s += 7;\n", variable); + break; + } + case TSequence: { + Member *m; + int tag = -1; - if (t->members == NULL) - break; + if (t->members == NULL) + break; - for (m = t->members; m && tag != m->val; m = m->next) { - char *s; + 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 (m->optional) - fprintf (codefile, "if(%s)", s); - fprintf (codefile, "{\n" - "int oldret = %s;\n" - "%s = 0;\n", variable, variable); - length_type (s, m->type, "ret"); - fprintf (codefile, "%s += 1 + length_len(%s) + oldret;\n", - variable, variable); - fprintf (codefile, "}\n"); - if (tag == -1) - tag = m->val; - free (s); - } - fprintf (codefile, - "%s += 1 + length_len(%s);\n", variable, variable); - break; - } - case TSequenceOf: { - char *n; + asprintf (&s, "%s(%s)->%s", + m->optional ? "" : "&", name, m->gen_name); + if (m->optional) + fprintf (codefile, "if(%s)", s); + fprintf (codefile, "{\n" + "int oldret = %s;\n" + "%s = 0;\n", variable, variable); + length_type (s, m->type, "ret"); + fprintf (codefile, "%s += 1 + length_len(%s) + oldret;\n", + variable, variable); + fprintf (codefile, "}\n"); + if (tag == -1) + tag = m->val; + free (s); + } + fprintf (codefile, + "%s += 1 + length_len(%s);\n", variable, variable); + break; + } + case TSequenceOf: { + char *n; - fprintf (codefile, - "{\n" - "int oldret = %s;\n" - "int i;\n" - "%s = 0;\n", - variable, variable); + fprintf (codefile, + "{\n" + "int oldret = %s;\n" + "int i;\n" + "%s = 0;\n", + variable, variable); - fprintf (codefile, "for(i = (%s)->len - 1; i >= 0; --i){\n", name); - asprintf (&n, "&(%s)->val[i]", name); - length_type(n, t->subtype, variable); - fprintf (codefile, "}\n"); + fprintf (codefile, "for(i = (%s)->len - 1; i >= 0; --i){\n", name); + asprintf (&n, "&(%s)->val[i]", name); + length_type(n, t->subtype, variable); + fprintf (codefile, "}\n"); - fprintf (codefile, - "%s += 1 + length_len(%s) + oldret;\n" - "}\n", variable, variable); - free(n); - break; - } - case TGeneralizedTime: - length_primitive ("generalized_time", name, variable); - break; - case TGeneralString: - length_primitive ("general_string", name, variable); - break; - case TApplication: - length_type (name, t->subtype, variable); - fprintf (codefile, "ret += 1 + length_len (ret);\n"); - break; - default : - abort (); - } + fprintf (codefile, + "%s += 1 + length_len(%s) + oldret;\n" + "}\n", variable, variable); + free(n); + break; + } + case TGeneralizedTime: + length_primitive ("generalized_time", name, variable); + break; + case TGeneralString: + length_primitive ("general_string", name, variable); + break; + case TApplication: + length_type (name, t->subtype, variable); + fprintf (codefile, "ret += 1 + length_len (ret);\n"); + break; + default : + abort (); + } } void |