diff options
Diffstat (limited to 'crypto/heimdal/lib/asn1/gen_free.c')
-rw-r--r-- | crypto/heimdal/lib/asn1/gen_free.c | 201 |
1 files changed, 129 insertions, 72 deletions
diff --git a/crypto/heimdal/lib/asn1/gen_free.c b/crypto/heimdal/lib/asn1/gen_free.c index 9487c42..d667c5d 100644 --- a/crypto/heimdal/lib/asn1/gen_free.c +++ b/crypto/heimdal/lib/asn1/gen_free.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan + * Copyright (c) 1997 - 2005 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * @@ -33,95 +33,152 @@ #include "gen_locl.h" -RCSID("$Id: gen_free.c,v 1.9.6.1 2003/08/20 16:25:01 joda Exp $"); +RCSID("$Id: gen_free.c 19539 2006-12-28 17:15:05Z lha $"); static void free_primitive (const char *typename, const char *name) { - fprintf (codefile, "free_%s(%s);\n", typename, name); + fprintf (codefile, "der_free_%s(%s);\n", typename, name); } static void -free_type (const char *name, const Type *t) +free_type (const char *name, const Type *t, int preserve) { - switch (t->type) { - case TType: + switch (t->type) { + case TType: #if 0 - free_type (name, t->symbol->type); + free_type (name, t->symbol->type, preserve); #endif - fprintf (codefile, "free_%s(%s);\n", t->symbol->gen_name, name); - break; - case TInteger: - case TUInteger: - case TEnumerated : - break; - case TOctetString: - free_primitive ("octet_string", name); - break; - case TOID : - free_primitive ("oid", name); - break; - case TBitString: { - break; - } - case TSequence: { - Member *m; - int tag = -1; + fprintf (codefile, "free_%s(%s);\n", t->symbol->gen_name, name); + break; + case TInteger: + if (t->range == NULL && t->members == NULL) { + free_primitive ("heim_integer", name); + break; + } + case TBoolean: + case TEnumerated : + case TNull: + case TGeneralizedTime: + case TUTCTime: + break; + case TBitString: + if (ASN1_TAILQ_EMPTY(t->members)) + free_primitive("bit_string", name); + break; + case TOctetString: + free_primitive ("octet_string", name); + break; + case TChoice: + case TSet: + case TSequence: { + Member *m, *have_ellipsis = NULL; - if (t->members == NULL) - break; + if (t->members == NULL) + break; + + if ((t->type == TSequence || t->type == TChoice) && preserve) + fprintf(codefile, "der_free_octet_string(&data->_save);\n"); + + if(t->type == TChoice) + fprintf(codefile, "switch((%s)->element) {\n", name); - for (m = t->members; m && tag != m->val; m = m->next) { - char *s; + ASN1_TAILQ_FOREACH(m, t->members, members) { + char *s; - asprintf (&s, "%s(%s)->%s", - m->optional ? "" : "&", name, m->gen_name); - if(m->optional) - fprintf(codefile, "if(%s) {\n", s); - free_type (s, m->type); - if(m->optional) - fprintf(codefile, - "free(%s);\n" - "%s = NULL;\n" - "}\n", s, s); - if (tag == -1) - tag = m->val; - free (s); - } - break; - } - case TSequenceOf: { - char *n; + if (m->ellipsis){ + have_ellipsis = m; + continue; + } - fprintf (codefile, "while((%s)->len){\n", name); - asprintf (&n, "&(%s)->val[(%s)->len-1]", name, name); - free_type(n, t->subtype); - fprintf(codefile, - "(%s)->len--;\n" - "}\n", - name); - fprintf(codefile, - "free((%s)->val);\n" - "(%s)->val = NULL;\n", name, name); - free(n); - break; - } - case TGeneralizedTime: - break; - case TGeneralString: - free_primitive ("general_string", name); - break; - case TApplication: - free_type (name, t->subtype); - break; - default : - abort (); - } + if(t->type == TChoice) + fprintf(codefile, "case %s:\n", m->label); + asprintf (&s, "%s(%s)->%s%s", + m->optional ? "" : "&", name, + t->type == TChoice ? "u." : "", m->gen_name); + if (s == NULL) + errx(1, "malloc"); + if(m->optional) + fprintf(codefile, "if(%s) {\n", s); + free_type (s, m->type, FALSE); + if(m->optional) + fprintf(codefile, + "free(%s);\n" + "%s = NULL;\n" + "}\n",s, s); + free (s); + if(t->type == TChoice) + fprintf(codefile, "break;\n"); + } + + if(t->type == TChoice) { + if (have_ellipsis) + fprintf(codefile, + "case %s:\n" + "der_free_octet_string(&(%s)->u.%s);\n" + "break;", + have_ellipsis->label, + name, have_ellipsis->gen_name); + fprintf(codefile, "}\n"); + } + break; + } + case TSetOf: + case TSequenceOf: { + char *n; + + fprintf (codefile, "while((%s)->len){\n", name); + asprintf (&n, "&(%s)->val[(%s)->len-1]", name, name); + if (n == NULL) + errx(1, "malloc"); + free_type(n, t->subtype, FALSE); + fprintf(codefile, + "(%s)->len--;\n" + "}\n", + name); + fprintf(codefile, + "free((%s)->val);\n" + "(%s)->val = NULL;\n", name, name); + free(n); + break; + } + case TGeneralString: + free_primitive ("general_string", name); + break; + case TUTF8String: + free_primitive ("utf8string", name); + break; + case TPrintableString: + free_primitive ("printable_string", name); + break; + case TIA5String: + free_primitive ("ia5_string", name); + break; + case TBMPString: + free_primitive ("bmp_string", name); + break; + case TUniversalString: + free_primitive ("universal_string", name); + break; + case TVisibleString: + free_primitive ("visible_string", name); + break; + case TTag: + free_type (name, t->subtype, preserve); + break; + case TOID : + free_primitive ("oid", name); + break; + default : + abort (); + } } void generate_type_free (const Symbol *s) { + int preserve = preserve_type(s->name) ? TRUE : FALSE; + fprintf (headerfile, "void free_%s (%s *);\n", s->gen_name, s->gen_name); @@ -131,7 +188,7 @@ generate_type_free (const Symbol *s) "{\n", s->gen_name, s->gen_name); - free_type ("data", s->type); + free_type ("data", s->type, preserve); fprintf (codefile, "}\n\n"); } |