mirror of
https://github.com/systemd/systemd.git
synced 2024-11-14 15:21:37 +03:00
92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
|
|
|
|
/***
|
|
This file is part of systemd.
|
|
|
|
Copyright (C) 2013 Intel Corporation. All rights reserved.
|
|
Copyright (C) 2014 Tom Gundersen
|
|
|
|
systemd is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or
|
|
(at your option) any later version.
|
|
|
|
systemd is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
***/
|
|
|
|
#include "sd-event.h"
|
|
#include "sd-dhcp-server.h"
|
|
|
|
#include "hashmap.h"
|
|
#include "refcnt.h"
|
|
#include "util.h"
|
|
#include "log.h"
|
|
|
|
#include "dhcp-internal.h"
|
|
|
|
typedef struct DHCPClientId {
|
|
size_t length;
|
|
uint8_t *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 {
|
|
RefCount n_ref;
|
|
|
|
sd_event *event;
|
|
int event_priority;
|
|
sd_event_source *receive_message;
|
|
int fd;
|
|
int fd_raw;
|
|
|
|
int index;
|
|
be32_t address;
|
|
be32_t netmask;
|
|
be32_t pool_start;
|
|
size_t pool_size;
|
|
size_t next_offer;
|
|
|
|
Hashmap *leases_by_client_id;
|
|
DHCPLease **bound_leases;
|
|
};
|
|
|
|
typedef struct DHCPRequest {
|
|
/* received message */
|
|
DHCPMessage *message;
|
|
|
|
/* options */
|
|
DHCPClientId client_id;
|
|
size_t max_optlen;
|
|
be32_t server_id;
|
|
be32_t requested_ip;
|
|
int lifetime;
|
|
} DHCPRequest;
|
|
|
|
DEFINE_TRIVIAL_CLEANUP_FUNC(sd_dhcp_server*, sd_dhcp_server_unref);
|
|
#define _cleanup_dhcp_server_unref_ _cleanup_(sd_dhcp_server_unrefp)
|
|
|
|
#define log_dhcp_server(client, fmt, ...) log_meta(LOG_DEBUG, __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);
|
|
|
|
unsigned long client_id_hash_func(const void *p, const uint8_t hash_key[HASH_KEY_SIZE]);
|
|
int client_id_compare_func(const void *_a, const void *_b);
|