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/* identity representation, as in IKE ID Payloads (RFC 2407 DOI 4.6.2.1)
* Copyright (C) 1999-2001 D. Hugh Redelmeier
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* RCSID $Id: id.h 3252 2007-10-06 21:24:50Z andreas $
*/
#ifndef _ID_H
#define _ID_H
#include "defs.h"
struct id {
int kind; /* ID_* value */
ip_address ip_addr; /* ID_IPV4_ADDR, ID_IPV6_ADDR */
chunk_t name; /* ID_FQDN, ID_USER_FQDN (with @) */
/* ID_KEY_ID, ID_DER_ASN_DN */
};
extern void init_id(void);
extern const struct id empty_id; /* ID_NONE */
enum myid_state {
MYID_UNKNOWN, /* not yet figured out */
MYID_HOSTNAME, /* our current hostname */
MYID_IP, /* our default IP address */
MYID_SPECIFIED /* as specified by ipsec.conf */
};
extern enum myid_state myid_state;
extern struct id myids[MYID_SPECIFIED+1]; /* %myid */
extern char *myid_str[MYID_SPECIFIED+1]; /* strings */
extern void set_myid(enum myid_state s, char *);
extern void show_myid_status(void);
#define resolve_myid(id) ((id)->kind == ID_MYID? &myids[myid_state] : (id))
extern void set_myFQDN(void);
extern err_t atoid(char *src, struct id *id, bool myid_ok);
extern int keyidtoa(char *dst, size_t dstlen, chunk_t keyid);
extern void iptoid(const ip_address *ip, struct id *id);
extern int idtoa(const struct id *id, char *dst, size_t dstlen);
#define IDTOA_BUF 512
extern void escape_metachar(const char *src, char *dst, size_t dstlen);
struct end; /* forward declaration of tag (defined in connections.h) */
extern void unshare_id_content(struct id *id);
extern void free_id_content(struct id *id);
extern bool same_id(const struct id *a, const struct id *b);
#define MAX_WILDCARDS 15
extern bool match_id(const struct id *a, const struct id *b, int *wildcards);
extern int id_count_wildcards(const struct id *id);
#define id_is_ipaddr(id) ((id)->kind == ID_IPV4_ADDR || (id)->kind == ID_IPV6_ADDR)
struct isakmp_ipsec_id; /* forward declaration of tag (defined in packet.h) */
extern void
build_id_payload(struct isakmp_ipsec_id *hd, chunk_t *tl, struct end *end);
#endif /* _ID_H */
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