119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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/***
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Copyright © 2014-2015 Intel Corporation. All rights reserved.
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***/
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#include <net/ethernet.h>
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#include <netinet/in.h>
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#include "sd-event.h"
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#include "list.h"
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#include "macro.h"
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#include "sparse-endian.h"
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typedef struct sd_dhcp6_option {
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unsigned n_ref;
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uint16_t option;
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void *data;
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size_t length;
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} sd_dhcp6_option;
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extern const struct hash_ops dhcp6_option_hash_ops;
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/* Common option header */
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typedef struct DHCP6Option {
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be16_t code;
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be16_t len;
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uint8_t data[];
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} _packed_ DHCP6Option;
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/* Address option */
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struct iaaddr {
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struct in6_addr address;
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be32_t lifetime_preferred;
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be32_t lifetime_valid;
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} _packed_;
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/* Prefix Delegation Prefix option */
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struct iapdprefix {
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be32_t lifetime_preferred;
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be32_t lifetime_valid;
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uint8_t prefixlen;
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struct in6_addr address;
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} _packed_;
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typedef struct DHCP6Address DHCP6Address;
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struct DHCP6Address {
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LIST_FIELDS(DHCP6Address, addresses);
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union {
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struct iaaddr iaaddr;
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struct iapdprefix iapdprefix;
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};
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};
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/* Non-temporary Address option */
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struct ia_na {
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be32_t id;
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be32_t lifetime_t1;
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be32_t lifetime_t2;
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} _packed_;
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/* Prefix Delegation option */
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struct ia_pd {
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be32_t id;
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be32_t lifetime_t1;
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be32_t lifetime_t2;
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} _packed_;
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/* Temporary Address option */
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struct ia_ta {
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be32_t id;
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} _packed_;
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struct DHCP6IA {
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uint16_t type;
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union {
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struct ia_na ia_na;
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struct ia_pd ia_pd;
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struct ia_ta ia_ta;
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};
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LIST_HEAD(DHCP6Address, addresses);
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};
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typedef struct DHCP6IA DHCP6IA;
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#define log_dhcp6_client_errno(p, error, fmt, ...) log_internal(LOG_DEBUG, error, PROJECT_FILE, __LINE__, __func__, "DHCPv6 CLIENT: " fmt, ##__VA_ARGS__)
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#define log_dhcp6_client(p, fmt, ...) log_dhcp6_client_errno(p, 0, fmt, ##__VA_ARGS__)
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int dhcp6_option_append(uint8_t **buf, size_t *buflen, uint16_t code,
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size_t optlen, const void *optval);
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int dhcp6_option_append_ia(uint8_t **buf, size_t *buflen, const DHCP6IA *ia);
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int dhcp6_option_append_pd(uint8_t *buf, size_t len, const DHCP6IA *pd, DHCP6Address *hint_pd_prefix);
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int dhcp6_option_append_fqdn(uint8_t **buf, size_t *buflen, const char *fqdn);
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int dhcp6_option_append_user_class(uint8_t **buf, size_t *buflen, char **user_class);
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int dhcp6_option_parse(uint8_t **buf, size_t *buflen, uint16_t *optcode,
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size_t *optlen, uint8_t **optvalue);
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int dhcp6_option_parse_status(DHCP6Option *option, size_t len);
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int dhcp6_option_parse_ia(DHCP6Option *iaoption, DHCP6IA *ia);
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int dhcp6_option_parse_ip6addrs(uint8_t *optval, uint16_t optlen,
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struct in6_addr **addrs, size_t count,
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size_t *allocated);
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int dhcp6_option_parse_domainname(const uint8_t *optval, uint16_t optlen,
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char ***str_arr);
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int dhcp6_network_bind_udp_socket(int index, struct in6_addr *address);
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int dhcp6_network_send_udp_socket(int s, struct in6_addr *address,
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const void *packet, size_t len);
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const char *dhcp6_message_type_to_string(int s) _const_;
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int dhcp6_message_type_from_string(const char *s) _pure_;
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const char *dhcp6_message_status_to_string(int s) _const_;
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int dhcp6_message_status_from_string(const char *s) _pure_;
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