/* SPDX-License-Identifier: LGPL-2.1+ */ #pragma once /*** Copyright © 2014-2015 Intel Corporation. All rights reserved. ***/ #include #include #include "sd-event.h" #include "list.h" #include "macro.h" #include "sparse-endian.h" /* 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_; 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); }; typedef struct DHCP6IA DHCP6IA; #define log_dhcp6_client_errno(p, error, fmt, ...) log_internal(LOG_DEBUG, error, PROJECT_FILE, __LINE__, __func__, "DHCPv6 CLIENT: " fmt, ##__VA_ARGS__) #define log_dhcp6_client(p, fmt, ...) log_dhcp6_client_errno(p, 0, fmt, ##__VA_ARGS__) 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 len, const DHCP6IA *pd); int dhcp6_option_append_fqdn(uint8_t **buf, size_t *buflen, const char *fqdn); 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(DHCP6Option *iaoption, DHCP6IA *ia); 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(const uint8_t *optval, uint16_t optlen, char ***str_arr); int dhcp6_network_bind_udp_socket(int index, 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_;