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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
139b011a PF |
2 | #pragma once |
3 | ||
4 | /*** | |
810adae9 | 5 | Copyright © 2014 Intel Corporation. All rights reserved. |
139b011a PF |
6 | ***/ |
7 | ||
dd5e9378 | 8 | #include <errno.h> |
631bbe71 PF |
9 | #include <netinet/ip6.h> |
10 | #include <netinet/udp.h> | |
11 | ||
139b011a PF |
12 | #include "macro.h" |
13 | #include "sparse-endian.h" | |
14 | ||
15 | struct DHCP6Message { | |
16 | union { | |
17 | struct { | |
18 | uint8_t type; | |
19 | uint8_t _pad[3]; | |
20 | } _packed_; | |
21 | be32_t transaction_id; | |
22 | }; | |
3bc424a3 | 23 | uint8_t options[]; |
139b011a PF |
24 | } _packed_; |
25 | ||
26 | typedef struct DHCP6Message DHCP6Message; | |
27 | ||
631bbe71 PF |
28 | #define DHCP6_MIN_OPTIONS_SIZE \ |
29 | 1280 - sizeof(struct ip6_hdr) - sizeof(struct udphdr) | |
30 | ||
3f09d563 YW |
31 | #define IN6ADDR_ALL_DHCP6_RELAY_AGENTS_AND_SERVERS_INIT \ |
32 | { { { 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ | |
34e8c5a2 PF |
33 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02 } } } |
34 | ||
139b011a PF |
35 | enum { |
36 | DHCP6_PORT_SERVER = 547, | |
37 | DHCP6_PORT_CLIENT = 546, | |
38 | }; | |
39 | ||
ac94edc8 YW |
40 | #define DHCP6_INF_TIMEOUT (1 * USEC_PER_SEC) |
41 | #define DHCP6_INF_MAX_RT (120 * USEC_PER_SEC) | |
42 | #define DHCP6_SOL_MAX_DELAY (1 * USEC_PER_SEC) | |
43 | #define DHCP6_SOL_TIMEOUT (1 * USEC_PER_SEC) | |
44 | #define DHCP6_SOL_MAX_RT (120 * USEC_PER_SEC) | |
45 | #define DHCP6_REQ_TIMEOUT (1 * USEC_PER_SEC) | |
46 | #define DHCP6_REQ_MAX_RT (120 * USEC_PER_SEC) | |
7246333c | 47 | #define DHCP6_REQ_MAX_RC 10 |
ac94edc8 YW |
48 | #define DHCP6_REN_TIMEOUT (10 * USEC_PER_SEC) |
49 | #define DHCP6_REN_MAX_RT (600 * USEC_PER_SEC) | |
50 | #define DHCP6_REB_TIMEOUT (10 * USEC_PER_SEC) | |
51 | #define DHCP6_REB_MAX_RT (600 * USEC_PER_SEC) | |
d1b0afe3 | 52 | |
dd5e9378 YW |
53 | typedef enum DHCP6State { |
54 | DHCP6_STATE_STOPPED, | |
55 | DHCP6_STATE_INFORMATION_REQUEST, | |
56 | DHCP6_STATE_SOLICITATION, | |
57 | DHCP6_STATE_REQUEST, | |
58 | DHCP6_STATE_BOUND, | |
59 | DHCP6_STATE_RENEW, | |
60 | DHCP6_STATE_REBIND, | |
b895aa5f | 61 | DHCP6_STATE_STOPPING, |
dd5e9378 YW |
62 | _DHCP6_STATE_MAX, |
63 | _DHCP6_STATE_INVALID = -EINVAL, | |
64 | } DHCP6State; | |
139b011a | 65 | |
59f1ded8 YW |
66 | /* https://www.iana.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xhtml#dhcpv6-parameters-1 */ |
67 | typedef enum DHCP6MessageType { | |
68 | DHCP6_MESSAGE_SOLICIT = 1, /* RFC 8415 */ | |
69 | DHCP6_MESSAGE_ADVERTISE = 2, /* RFC 8415 */ | |
70 | DHCP6_MESSAGE_REQUEST = 3, /* RFC 8415 */ | |
71 | DHCP6_MESSAGE_CONFIRM = 4, /* RFC 8415 */ | |
72 | DHCP6_MESSAGE_RENEW = 5, /* RFC 8415 */ | |
73 | DHCP6_MESSAGE_REBIND = 6, /* RFC 8415 */ | |
74 | DHCP6_MESSAGE_REPLY = 7, /* RFC 8415 */ | |
75 | DHCP6_MESSAGE_RELEASE = 8, /* RFC 8415 */ | |
76 | DHCP6_MESSAGE_DECLINE = 9, /* RFC 8415 */ | |
77 | DHCP6_MESSAGE_RECONFIGURE = 10, /* RFC 8415 */ | |
78 | DHCP6_MESSAGE_INFORMATION_REQUEST = 11, /* RFC 8415 */ | |
79 | DHCP6_MESSAGE_RELAY_FORWARD = 12, /* RFC 8415 */ | |
80 | DHCP6_MESSAGE_RELAY_REPLY = 13, /* RFC 8415 */ | |
81 | DHCP6_MESSAGE_LEASE_QUERY = 14, /* RFC 5007 */ | |
82 | DHCP6_MESSAGE_LEASE_QUERY_REPLY = 15, /* RFC 5007 */ | |
83 | DHCP6_MESSAGE_LEASE_QUERY_DONE = 16, /* RFC 5460 */ | |
84 | DHCP6_MESSAGE_LEASE_QUERY_DATA = 17, /* RFC 5460 */ | |
85 | DHCP6_MESSAGE_RECONFIGURE_REQUEST = 18, /* RFC 6977 */ | |
86 | DHCP6_MESSAGE_RECONFIGURE_REPLY = 19, /* RFC 6977 */ | |
87 | DHCP6_MESSAGE_DHCPV4_QUERY = 20, /* RFC 7341 */ | |
88 | DHCP6_MESSAGE_DHCPV4_RESPONSE = 21, /* RFC 7341 */ | |
89 | DHCP6_MESSAGE_ACTIVE_LEASE_QUERY = 22, /* RFC 7653 */ | |
90 | DHCP6_MESSAGE_START_TLS = 23, /* RFC 7653 */ | |
91 | DHCP6_MESSAGE_BINDING_UPDATE = 24, /* RFC 8156 */ | |
92 | DHCP6_MESSAGE_BINDING_REPLY = 25, /* RFC 8156 */ | |
93 | DHCP6_MESSAGE_POOL_REQUEST = 26, /* RFC 8156 */ | |
94 | DHCP6_MESSAGE_POOL_RESPONSE = 27, /* RFC 8156 */ | |
95 | DHCP6_MESSAGE_UPDATE_REQUEST = 28, /* RFC 8156 */ | |
96 | DHCP6_MESSAGE_UPDATE_REQUEST_ALL = 29, /* RFC 8156 */ | |
97 | DHCP6_MESSAGE_UPDATE_DONE = 30, /* RFC 8156 */ | |
98 | DHCP6_MESSAGE_CONNECT = 31, /* RFC 8156 */ | |
99 | DHCP6_MESSAGE_CONNECT_REPLY = 32, /* RFC 8156 */ | |
100 | DHCP6_MESSAGE_DISCONNECT = 33, /* RFC 8156 */ | |
101 | DHCP6_MESSAGE_STATE = 34, /* RFC 8156 */ | |
102 | DHCP6_MESSAGE_CONTACT = 35, /* RFC 8156 */ | |
103 | _DHCP6_MESSAGE_TYPE_MAX, | |
3f09d563 | 104 | _DHCP6_MESSAGE_TYPE_INVALID = -EINVAL, |
59f1ded8 | 105 | } DHCP6MessageType; |
139b011a | 106 | |
dd5e9378 | 107 | typedef enum DHCP6NTPSubOption { |
6599680e PF |
108 | DHCP6_NTP_SUBOPTION_SRV_ADDR = 1, |
109 | DHCP6_NTP_SUBOPTION_MC_ADDR = 2, | |
110 | DHCP6_NTP_SUBOPTION_SRV_FQDN = 3, | |
3f09d563 YW |
111 | _DHCP6_NTP_SUBOPTION_MAX, |
112 | _DHCP6_NTP_SUBOPTION_INVALID = -EINVAL, | |
dd5e9378 | 113 | } DHCP6NTPSubOption; |
6599680e | 114 | |
76643fed SS |
115 | /* |
116 | * RFC 8415, RFC 5007 and RFC 7653 status codes: | |
117 | * https://www.iana.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xhtml#dhcpv6-parameters-5 | |
118 | */ | |
dd5e9378 | 119 | typedef enum DHCP6Status { |
76643fed SS |
120 | DHCP6_STATUS_SUCCESS = 0, |
121 | DHCP6_STATUS_UNSPEC_FAIL = 1, | |
122 | DHCP6_STATUS_NO_ADDRS_AVAIL = 2, | |
123 | DHCP6_STATUS_NO_BINDING = 3, | |
124 | DHCP6_STATUS_NOT_ON_LINK = 4, | |
125 | DHCP6_STATUS_USE_MULTICAST = 5, | |
126 | DHCP6_STATUS_NO_PREFIX_AVAIL = 6, | |
127 | DHCP6_STATUS_UNKNOWN_QUERY_TYPE = 7, | |
128 | DHCP6_STATUS_MALFORMED_QUERY = 8, | |
129 | DHCP6_STATUS_NOT_CONFIGURED = 9, | |
130 | DHCP6_STATUS_NOT_ALLOWED = 10, | |
131 | DHCP6_STATUS_QUERY_TERMINATED = 11, | |
132 | DHCP6_STATUS_DATA_MISSING = 12, | |
133 | DHCP6_STATUS_CATCHUP_COMPLETE = 13, | |
134 | DHCP6_STATUS_NOT_SUPPORTED = 14, | |
135 | DHCP6_STATUS_TLS_CONNECTION_REFUSED = 15, | |
136 | DHCP6_STATUS_ADDRESS_IN_USE = 16, | |
137 | DHCP6_STATUS_CONFIGURATION_CONFLICT = 17, | |
138 | DHCP6_STATUS_MISSING_BINDING_INFORMATION = 18, | |
139 | DHCP6_STATUS_OUTDATED_BINDING_INFORMATION = 19, | |
140 | DHCP6_STATUS_SERVER_SHUTTING_DOWN = 20, | |
141 | DHCP6_STATUS_DNS_UPDATE_NOT_SUPPORTED = 21, | |
142 | DHCP6_STATUS_EXCESSIVE_TIME_SKEW = 22, | |
dd5e9378 | 143 | _DHCP6_STATUS_MAX, |
3f09d563 | 144 | _DHCP6_STATUS_INVALID = -EINVAL, |
dd5e9378 | 145 | } DHCP6Status; |
8006aa32 | 146 | |
dd5e9378 YW |
147 | typedef enum DHCP6FQDNFlag { |
148 | DHCP6_FQDN_FLAG_S = 1 << 0, | |
149 | DHCP6_FQDN_FLAG_O = 1 << 1, | |
150 | DHCP6_FQDN_FLAG_N = 1 << 2, | |
151 | } DHCP6FQDNFlag; | |
3f09d563 YW |
152 | |
153 | const char *dhcp6_state_to_string(DHCP6State s) _const_; | |
154 | const char *dhcp6_message_type_to_string(DHCP6MessageType s) _const_; | |
155 | DHCP6MessageType dhcp6_message_type_from_string(const char *s) _pure_; | |
156 | const char *dhcp6_message_status_to_string(DHCP6Status s) _const_; | |
157 | DHCP6Status dhcp6_message_status_from_string(const char *s) _pure_; | |
1929c1fc | 158 | int dhcp6_message_status_to_errno(DHCP6Status s); |