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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
/***
Copyright © 2014-2015 Intel Corporation. All rights reserved.
***/
#include <net/ethernet.h>
#include <netinet/in.h>
#include "sd-event.h"
#include "sd-dhcp6-client.h"
#include "hashmap.h"
#include "list.h"
#include "log-link.h"
#include "macro.h"
#include "sparse-endian.h"
typedef struct sd_dhcp6_option {
unsigned n_ref;
uint32_t enterprise_identifier;
uint16_t option;
void *data;
size_t length;
} sd_dhcp6_option;
extern const struct hash_ops dhcp6_option_hash_ops;
/* Common option header */
typedef struct DHCP6Option {
be16_t code;
be16_t len;
uint8_t data[];
} _packed_ DHCP6Option;
/* Address option */
struct iaaddr {
struct in6_addr address;
be32_t lifetime_preferred;
be32_t lifetime_valid;
} _packed_;
/* Prefix Delegation Prefix option */
struct iapdprefix {
be32_t lifetime_preferred;
be32_t lifetime_valid;
uint8_t prefixlen;
struct in6_addr address;
} _packed_;
typedef struct DHCP6Address DHCP6Address;
struct DHCP6Address {
LIST_FIELDS(DHCP6Address, addresses);
union {
struct iaaddr iaaddr;
struct iapdprefix iapdprefix;
};
};
/* Non-temporary Address option */
struct ia_na {
be32_t id;
be32_t lifetime_t1;
be32_t lifetime_t2;
} _packed_;
/* Prefix Delegation option */
struct ia_pd {
be32_t id;
be32_t lifetime_t1;
be32_t lifetime_t2;
} _packed_;
/* Temporary Address option */
struct ia_ta {
be32_t id;
} _packed_;
typedef struct DHCP6IA {
uint16_t type;
union {
struct ia_na ia_na;
struct ia_pd ia_pd;
struct ia_ta ia_ta;
};
LIST_HEAD(DHCP6Address, addresses);
} DHCP6IA;
int dhcp6_option_append(uint8_t **buf, size_t *buflen, uint16_t code,
size_t optlen, const void *optval);
int dhcp6_option_append_ia(uint8_t **buf, size_t *buflen, const DHCP6IA *ia);
int dhcp6_option_append_pd(uint8_t **buf, size_t *buflen, const DHCP6IA *pd, const DHCP6Address *hint_pd_prefix);
int dhcp6_option_append_fqdn(uint8_t **buf, size_t *buflen, const char *fqdn);
int dhcp6_option_append_user_class(uint8_t **buf, size_t *buflen, char * const *user_class);
int dhcp6_option_append_vendor_class(uint8_t **buf, size_t *buflen, char * const *user_class);
int dhcp6_option_append_vendor_option(uint8_t **buf, size_t *buflen, OrderedHashmap *vendor_options);
int dhcp6_option_parse(uint8_t **buf, size_t *buflen, uint16_t *optcode,
size_t *optlen, uint8_t **optvalue);
int dhcp6_option_parse_status(DHCP6Option *option, size_t len);
int dhcp6_option_parse_ia(sd_dhcp6_client *client, DHCP6Option *iaoption, DHCP6IA *ia, uint16_t *ret_status_code);
int dhcp6_option_parse_ip6addrs(uint8_t *optval, uint16_t optlen,
struct in6_addr **addrs, size_t count,
size_t *allocated);
int dhcp6_option_parse_domainname_list(const uint8_t *optval, uint16_t optlen,
char ***str_arr);
int dhcp6_option_parse_domainname(const uint8_t *optval, uint16_t optlen, char **str);
int dhcp6_network_bind_udp_socket(int ifindex, struct in6_addr *address);
int dhcp6_network_send_udp_socket(int s, struct in6_addr *address,
const void *packet, size_t len);
const char *dhcp6_message_type_to_string(int s) _const_;
int dhcp6_message_type_from_string(const char *s) _pure_;
const char *dhcp6_message_status_to_string(int s) _const_;
int dhcp6_message_status_from_string(const char *s) _pure_;
#define log_dhcp6_client_errno(client, error, fmt, ...) \
({ \
int _e = (error); \
if (DEBUG_LOGGING) \
log_interface_full_errno( \
sd_dhcp6_client_get_ifname(client), \
LOG_DEBUG, _e, "DHCPv6 client: " fmt, \
##__VA_ARGS__); \
-ERRNO_VALUE(_e); \
})
#define log_dhcp6_client(client, fmt, ...) \
log_dhcp6_client_errno(client, 0, fmt, ##__VA_ARGS__)
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