/* SPDX-License-Identifier: LGPL-2.1+ */ #pragma once /*** Copyright © 2013 Intel Corporation. All rights reserved. ***/ #include "sd-dhcp-server.h" #include "sd-event.h" #include "dhcp-internal.h" #include "hashmap.h" #include "log.h" #include "time-util.h" typedef struct DHCPClientId { size_t length; void *data; } DHCPClientId; typedef struct DHCPLease { DHCPClientId client_id; be32_t address; be32_t gateway; uint8_t chaddr[16]; usec_t expiration; } DHCPLease; struct sd_dhcp_server { unsigned n_ref; sd_event *event; int event_priority; sd_event_source *receive_message; int fd; int fd_raw; int ifindex; be32_t address; be32_t netmask; be32_t subnet; uint32_t pool_offset; uint32_t pool_size; char *timezone; struct in_addr *ntp, *dns; unsigned n_ntp, n_dns; bool emit_router; Hashmap *leases_by_client_id; DHCPLease **bound_leases; DHCPLease invalid_lease; uint32_t max_lease_time, default_lease_time; }; typedef struct DHCPRequest { /* received message */ DHCPMessage *message; /* options */ DHCPClientId client_id; size_t max_optlen; be32_t server_id; be32_t requested_ip; uint32_t lifetime; } DHCPRequest; #define log_dhcp_server(client, fmt, ...) log_internal(LOG_DEBUG, 0, PROJECT_FILE, __LINE__, __func__, "DHCP SERVER: " fmt, ##__VA_ARGS__) #define log_dhcp_server_errno(client, error, fmt, ...) log_internal(LOG_DEBUG, error, PROJECT_FILE, __LINE__, __func__, "DHCP SERVER: " fmt, ##__VA_ARGS__) int dhcp_server_handle_message(sd_dhcp_server *server, DHCPMessage *message, size_t length); int dhcp_server_send_packet(sd_dhcp_server *server, DHCPRequest *req, DHCPPacket *packet, int type, size_t optoffset); void client_id_hash_func(const DHCPClientId *p, struct siphash *state); int client_id_compare_func(const DHCPClientId *a, const DHCPClientId *b);