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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <stdint.h>
#include "sd-dhcp-option.h"
#include "dns-resolver-internal.h"
#include "dhcp-protocol.h"
#include "hash-funcs.h"
struct sd_dhcp_option {
unsigned n_ref;
uint8_t option;
void *data;
size_t length;
};
extern const struct hash_ops dhcp_option_hash_ops;
typedef struct DHCPServerData {
struct in_addr *addr;
size_t size;
} DHCPServerData;
int dhcp_option_append(
DHCPMessage *message,
size_t size,
size_t *offset,
uint8_t overload,
uint8_t code,
size_t optlen,
const void *optval);
int dhcp_option_find_option(uint8_t *options, size_t length, uint8_t wanted_code, size_t *ret_offset);
int dhcp_option_remove_option(uint8_t *options, size_t buflen, uint8_t option_code);
typedef int (*dhcp_option_callback_t)(uint8_t code, uint8_t len, const void *option, void *userdata);
int dhcp_option_parse(
DHCPMessage *message,
size_t len,
dhcp_option_callback_t cb,
void *userdata,
char **ret_error_message);
int dhcp_option_parse_string(const uint8_t *option, size_t len, char **ret);
int dhcp_option_parse_hostname(const uint8_t *option, size_t len, char **ret);
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