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added create_part_enumerator() to indentity, allows to enumerate RDNs etc.

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This commit is contained in:
Martin Willi
2009-04-14 14:32:22 +00:00
parent c31687daa7
commit 0bd7ad6cff
5 changed files with 258 additions and 7 deletions
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src/libstrongswan/utils/identification.c
+120 -1
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@@ -1,6 +1,6 @@
/*
* Copyright (C) 2009 Tobias Brunner
* Copyright (C) 2005-2008 Martin Willi
* Copyright (C) 2005-2009 Martin Willi
* Copyright (C) 2005 Jan Hutter
* Hochschule fuer Technik Rapperswil
*
@@ -920,6 +920,124 @@ int identification_printf_hook(char *dst, size_t len, printf_hook_spec_t *spec,
return print_in_hook(dst, len, "%*s", spec->width, buf);
}
/**
* Enumerator over RDNs
*/
typedef struct {
/* implements enumerator interface */
enumerator_t public;
/* current RDN */
chunk_t rdn;
/* current attribute */
chunk_t attr;
/** have another RDN? */
bool next;
} rdn_enumerator_t;
/**
* Implementation of rdn_enumerator_t.enumerate
*/
static bool rdn_enumerate(rdn_enumerator_t *this,
id_part_t *type, chunk_t *data)
{
chunk_t oid, value;
asn1_t asn1_type;
while (this->next)
{
if (!get_next_rdn(&this->rdn, &this->attr, &oid,
&value, &asn1_type, &this->next))
{
return FALSE;
}
switch (asn1_known_oid(oid))
{
case OID_COMMON_NAME:
*type = ID_PART_RDN_CN;
break;
case OID_SURNAME:
*type = ID_PART_RDN_S;
break;
case OID_SERIAL_NUMBER:
*type = ID_PART_RDN_SN;
break;
case OID_COUNTRY:
*type = ID_PART_RDN_C;
break;
case OID_LOCALITY:
*type = ID_PART_RDN_L;
break;
case OID_STATE_OR_PROVINCE:
*type = ID_PART_RDN_ST;
break;
case OID_ORGANIZATION:
*type = ID_PART_RDN_O;
break;
case OID_ORGANIZATION_UNIT:
*type = ID_PART_RDN_OU;
break;
case OID_TITLE:
*type = ID_PART_RDN_T;
break;
case OID_DESCRIPTION:
*type = ID_PART_RDN_D;
break;
case OID_NAME:
*type = ID_PART_RDN_N;
break;
case OID_GIVEN_NAME:
*type = ID_PART_RDN_G;
break;
case OID_INITIALS:
*type = ID_PART_RDN_I;
break;
case OID_UNIQUE_IDENTIFIER:
*type = ID_PART_RDN_ID;
break;
case OID_EMAIL_ADDRESS:
*type = ID_PART_RDN_E;
break;
case OID_EMPLOYEE_NUMBER:
*type = ID_PART_RDN_EN;
break;
default:
continue;
}
*data = value;
return TRUE;
}
return FALSE;
}
/**
* Implementation of identification_t.create_part_enumerator
*/
static enumerator_t* create_part_enumerator(private_identification_t *this)
{
switch (this->type)
{
case ID_DER_ASN1_DN:
{
rdn_enumerator_t *e = malloc_thing(rdn_enumerator_t);
e->public.enumerate = (void*)rdn_enumerate;
e->public.destroy = (void*)free;
if (init_rdn(this->encoded, &e->rdn, &e->attr, &e->next))
{
return &e->public;
}
free(e);
/* FALL */
}
case ID_RFC822_ADDR:
/* TODO */
case ID_FQDN:
/* TODO */
default:
return enumerator_create_empty();
}
}
/**
* Implementation of identification_t.clone.
*/
@@ -957,6 +1075,7 @@ static private_identification_t *identification_create(void)
this->public.get_encoding = (chunk_t (*) (identification_t*))get_encoding;
this->public.get_type = (id_type_t (*) (identification_t*))get_type;
this->public.contains_wildcards = (bool (*) (identification_t *this))contains_wildcards;
this->public.create_part_enumerator = (enumerator_t*(*)(identification_t*))create_part_enumerator;
this->public.clone = (identification_t* (*) (identification_t*))clone_;
this->public.destroy = (void (*) (identification_t*))destroy;
/* we use these as defaults, the may be overloaded for special ID types */