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Commit | Line | Data |
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0ef6f454 LP |
1 | #pragma once |
2 | ||
b44cd882 TG |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright (C) 2013 Intel Corporation. All rights reserved. | |
7 | Copyright (C) 2014 Tom Gundersen | |
8 | ||
9 | systemd is free software; you can redistribute it and/or modify it | |
10 | under the terms of the GNU Lesser General Public License as published by | |
11 | the Free Software Foundation; either version 2.1 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | Lesser General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU Lesser General Public License | |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
21 | ***/ | |
22 | ||
b44cd882 | 23 | #include "sd-dhcp-server.h" |
71d35b6b | 24 | #include "sd-event.h" |
b44cd882 | 25 | |
71d35b6b | 26 | #include "dhcp-internal.h" |
87322b3a | 27 | #include "hashmap.h" |
b44cd882 | 28 | #include "log.h" |
71d35b6b | 29 | #include "util.h" |
be077570 | 30 | |
87322b3a TG |
31 | typedef struct DHCPClientId { |
32 | size_t length; | |
9a0f246f | 33 | void *data; |
87322b3a TG |
34 | } DHCPClientId; |
35 | ||
36 | typedef struct DHCPLease { | |
37 | DHCPClientId client_id; | |
38 | ||
39 | be32_t address; | |
52750344 TG |
40 | be32_t gateway; |
41 | uint8_t chaddr[16]; | |
87322b3a TG |
42 | usec_t expiration; |
43 | } DHCPLease; | |
44 | ||
b44cd882 | 45 | struct sd_dhcp_server { |
3733eec3 | 46 | unsigned n_ref; |
b44cd882 TG |
47 | |
48 | sd_event *event; | |
49 | int event_priority; | |
ff734080 TG |
50 | sd_event_source *receive_message; |
51 | int fd; | |
8de4a226 | 52 | int fd_raw; |
3a864fe4 | 53 | |
b3ec603c | 54 | int ifindex; |
20af7091 | 55 | be32_t address; |
59b8f6b6 | 56 | be32_t netmask; |
99634696 TG |
57 | be32_t subnet; |
58 | uint32_t pool_offset; | |
59 | uint32_t pool_size; | |
b44cd882 | 60 | |
8eb9058d LP |
61 | char *timezone; |
62 | ||
1a04db0f LP |
63 | struct in_addr *ntp, *dns; |
64 | unsigned n_ntp, n_dns; | |
65 | ||
77ff6022 CG |
66 | bool emit_router; |
67 | ||
87322b3a TG |
68 | Hashmap *leases_by_client_id; |
69 | DHCPLease **bound_leases; | |
99634696 | 70 | DHCPLease invalid_lease; |
586ac6f7 LP |
71 | |
72 | uint32_t max_lease_time, default_lease_time; | |
87322b3a | 73 | }; |
816e2e7a TG |
74 | |
75 | typedef struct DHCPRequest { | |
76 | /* received message */ | |
77 | DHCPMessage *message; | |
78 | ||
79 | /* options */ | |
80 | DHCPClientId client_id; | |
81 | size_t max_optlen; | |
82 | be32_t server_id; | |
2dead812 | 83 | be32_t requested_ip; |
586ac6f7 | 84 | uint32_t lifetime; |
816e2e7a TG |
85 | } DHCPRequest; |
86 | ||
79008bdd | 87 | #define log_dhcp_server(client, fmt, ...) log_internal(LOG_DEBUG, 0, __FILE__, __LINE__, __func__, "DHCP SERVER: " fmt, ##__VA_ARGS__) |
be077570 TG |
88 | |
89 | int dhcp_server_handle_message(sd_dhcp_server *server, DHCPMessage *message, | |
90 | size_t length); | |
969b009d TG |
91 | int dhcp_server_send_packet(sd_dhcp_server *server, |
92 | DHCPRequest *req, DHCPPacket *packet, | |
93 | int type, size_t optoffset); | |
87322b3a | 94 | |
b826ab58 | 95 | void client_id_hash_func(const void *p, struct siphash *state); |
87322b3a | 96 | int client_id_compare_func(const void *_a, const void *_b); |