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Diffstat (limited to '')
-rw-r--r-- | src/libsystemd-network/dhcp6-internal.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/libsystemd-network/dhcp6-internal.h b/src/libsystemd-network/dhcp6-internal.h new file mode 100644 index 0000000..157fc0a --- /dev/null +++ b/src/libsystemd-network/dhcp6-internal.h @@ -0,0 +1,107 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ +#pragma once + +/*** + Copyright © 2014-2015 Intel Corporation. All rights reserved. +***/ + +#include <net/ethernet.h> +#include <netinet/in.h> + +#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, __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_; |