| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| #pragma once |
| |
| #include "sd-dhcp6-client.h" |
| |
| #include "hash-funcs.h" |
| #include "list.h" |
| #include "macro.h" |
| #include "ordered-set.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; |
| }; |
| }; |
| |
| struct ia_header { |
| be32_t id; |
| be32_t lifetime_t1; |
| be32_t lifetime_t2; |
| } _packed_; |
| |
| typedef struct DHCP6IA { |
| uint16_t type; |
| struct ia_header header; |
| |
| LIST_HEAD(DHCP6Address, addresses); |
| } DHCP6IA; |
| |
| void dhcp6_ia_clear_addresses(DHCP6IA *ia); |
| DHCP6IA *dhcp6_ia_free(DHCP6IA *ia); |
| DEFINE_TRIVIAL_CLEANUP_FUNC(DHCP6IA*, dhcp6_ia_free); |
| |
| bool dhcp6_option_can_request(uint16_t option); |
| |
| int dhcp6_option_append(uint8_t **buf, size_t *offset, uint16_t code, |
| size_t optlen, const void *optval); |
| int dhcp6_option_append_ia(uint8_t **buf, size_t *offset, const DHCP6IA *ia); |
| int dhcp6_option_append_fqdn(uint8_t **buf, size_t *offset, const char *fqdn); |
| int dhcp6_option_append_user_class(uint8_t **buf, size_t *offset, char * const *user_class); |
| int dhcp6_option_append_vendor_class(uint8_t **buf, size_t *offset, char * const *vendor_class); |
| int dhcp6_option_append_vendor_option(uint8_t **buf, size_t *offset, OrderedSet *vendor_options); |
| |
| int dhcp6_option_parse( |
| const uint8_t *buf, |
| size_t buflen, |
| size_t *offset, |
| uint16_t *ret_option_code, |
| size_t *ret_option_data_len, |
| const uint8_t **ret_option_data); |
| int dhcp6_option_parse_status(const uint8_t *data, size_t data_len, char **ret_status_message); |
| int dhcp6_option_parse_ia( |
| sd_dhcp6_client *client, |
| be32_t iaid, |
| uint16_t option_code, |
| size_t option_data_len, |
| const uint8_t *option_data, |
| DHCP6IA **ret); |
| int dhcp6_option_parse_addresses( |
| const uint8_t *optval, |
| size_t optlen, |
| struct in6_addr **addrs, |
| size_t *count); |
| int dhcp6_option_parse_domainname_list(const uint8_t *optval, size_t optlen, char ***ret); |
| int dhcp6_option_parse_domainname(const uint8_t *optval, size_t optlen, char **ret); |