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Commit | Line | Data |
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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
0ef6f454 LP |
2 | #pragma once |
3 | ||
b44cd882 | 4 | /*** |
810adae9 | 5 | Copyright © 2013 Intel Corporation. All rights reserved. |
b44cd882 TG |
6 | ***/ |
7 | ||
b44cd882 | 8 | #include "sd-dhcp-server.h" |
71d35b6b | 9 | #include "sd-event.h" |
b44cd882 | 10 | |
71d35b6b | 11 | #include "dhcp-internal.h" |
ebffea2a | 12 | #include "ordered-set.h" |
35388783 | 13 | #include "log-link.h" |
ca78ad1d | 14 | #include "time-util.h" |
be077570 | 15 | |
564ca984 SS |
16 | typedef enum DHCPRawOption { |
17 | DHCP_RAW_OPTION_DATA_UINT8, | |
18 | DHCP_RAW_OPTION_DATA_UINT16, | |
19 | DHCP_RAW_OPTION_DATA_UINT32, | |
20 | DHCP_RAW_OPTION_DATA_STRING, | |
21 | DHCP_RAW_OPTION_DATA_IPV4ADDRESS, | |
e7d5fe17 | 22 | DHCP_RAW_OPTION_DATA_IPV6ADDRESS, |
564ca984 SS |
23 | _DHCP_RAW_OPTION_DATA_MAX, |
24 | _DHCP_RAW_OPTION_DATA_INVALID, | |
25 | } DHCPRawOption; | |
26 | ||
87322b3a TG |
27 | typedef struct DHCPClientId { |
28 | size_t length; | |
9a0f246f | 29 | void *data; |
87322b3a TG |
30 | } DHCPClientId; |
31 | ||
32 | typedef struct DHCPLease { | |
33 | DHCPClientId client_id; | |
34 | ||
35 | be32_t address; | |
52750344 TG |
36 | be32_t gateway; |
37 | uint8_t chaddr[16]; | |
87322b3a TG |
38 | usec_t expiration; |
39 | } DHCPLease; | |
40 | ||
b44cd882 | 41 | struct sd_dhcp_server { |
3733eec3 | 42 | unsigned n_ref; |
b44cd882 TG |
43 | |
44 | sd_event *event; | |
45 | int event_priority; | |
ff734080 | 46 | sd_event_source *receive_message; |
21b6b87e | 47 | sd_event_source *receive_broadcast; |
ff734080 | 48 | int fd; |
8de4a226 | 49 | int fd_raw; |
21b6b87e | 50 | int fd_broadcast; |
3a864fe4 | 51 | |
b3ec603c | 52 | int ifindex; |
61a9fa8f | 53 | char *ifname; |
21b6b87e | 54 | bool bind_to_interface; |
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 | ||
ddb82ec2 | 63 | DHCPServerData servers[_SD_DHCP_LEASE_SERVER_TYPE_MAX]; |
1a04db0f | 64 | |
ebffea2a SS |
65 | OrderedSet *extra_options; |
66 | OrderedSet *vendor_options; | |
564ca984 | 67 | |
77ff6022 CG |
68 | bool emit_router; |
69 | ||
87322b3a TG |
70 | Hashmap *leases_by_client_id; |
71 | DHCPLease **bound_leases; | |
99634696 | 72 | DHCPLease invalid_lease; |
586ac6f7 LP |
73 | |
74 | uint32_t max_lease_time, default_lease_time; | |
5b03043a MAL |
75 | |
76 | sd_dhcp_server_callback_t callback; | |
77 | void *callback_userdata; | |
87322b3a | 78 | }; |
816e2e7a TG |
79 | |
80 | typedef struct DHCPRequest { | |
81 | /* received message */ | |
82 | DHCPMessage *message; | |
83 | ||
84 | /* options */ | |
85 | DHCPClientId client_id; | |
86 | size_t max_optlen; | |
87 | be32_t server_id; | |
2dead812 | 88 | be32_t requested_ip; |
586ac6f7 | 89 | uint32_t lifetime; |
816e2e7a TG |
90 | } DHCPRequest; |
91 | ||
be077570 TG |
92 | int dhcp_server_handle_message(sd_dhcp_server *server, DHCPMessage *message, |
93 | size_t length); | |
969b009d TG |
94 | int dhcp_server_send_packet(sd_dhcp_server *server, |
95 | DHCPRequest *req, DHCPPacket *packet, | |
96 | int type, size_t optoffset); | |
87322b3a | 97 | |
7a08d314 YW |
98 | void client_id_hash_func(const DHCPClientId *p, struct siphash *state); |
99 | int client_id_compare_func(const DHCPClientId *a, const DHCPClientId *b); | |
35388783 YW |
100 | |
101 | #define log_dhcp_server_errno(server, error, fmt, ...) \ | |
102 | ({ \ | |
103 | int _e = (error); \ | |
104 | if (DEBUG_LOGGING) \ | |
105 | log_interface_full_errno( \ | |
106 | sd_dhcp_server_get_ifname(server), \ | |
107 | LOG_DEBUG, _e, "DHCPv4 server: " fmt, \ | |
108 | ##__VA_ARGS__); \ | |
109 | -ERRNO_VALUE(_e); \ | |
110 | }) | |
111 | #define log_dhcp_server(server, fmt, ...) \ | |
112 | log_dhcp_server_errno(server, 0, fmt, ##__VA_ARGS__) |