projects / thirdparty / systemd.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 2c28eb02 YW |
31 | #define IN6_ADDR_ALL_DHCP6_RELAY_AGENTS_AND_SERVERS \ |
| 32 | ((const struct in6_addr) { { { \ | |
| 33 | 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ | |
| 34 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, \ | |
| 35 | } } } ) | |
| 34e8c5a2 | 36 | |
| 139b011a PF |
37 | enum { |
| 38 | DHCP6_PORT_SERVER = 547, | |
| 39 | DHCP6_PORT_CLIENT = 546, | |
| 40 | }; | |
| 41 | ||
| ac94edc8 YW |
42 | #define DHCP6_INF_TIMEOUT (1 * USEC_PER_SEC) |
| 43 | #define DHCP6_INF_MAX_RT (120 * USEC_PER_SEC) | |
| 44 | #define DHCP6_SOL_MAX_DELAY (1 * USEC_PER_SEC) | |
| 45 | #define DHCP6_SOL_TIMEOUT (1 * USEC_PER_SEC) | |
| 46 | #define DHCP6_SOL_MAX_RT (120 * USEC_PER_SEC) | |
| 47 | #define DHCP6_REQ_TIMEOUT (1 * USEC_PER_SEC) | |
| 48 | #define DHCP6_REQ_MAX_RT (120 * USEC_PER_SEC) | |
| 7246333c | 49 | #define DHCP6_REQ_MAX_RC 10 |
| ac94edc8 YW |
50 | #define DHCP6_REN_TIMEOUT (10 * USEC_PER_SEC) |
| 51 | #define DHCP6_REN_MAX_RT (600 * USEC_PER_SEC) | |
| 52 | #define DHCP6_REB_TIMEOUT (10 * USEC_PER_SEC) | |
| 53 | #define DHCP6_REB_MAX_RT (600 * USEC_PER_SEC) | |
| d1b0afe3 | 54 | |
| dd5e9378 YW |
55 | typedef enum DHCP6State { |
| 56 | DHCP6_STATE_STOPPED, | |
| 57 | DHCP6_STATE_INFORMATION_REQUEST, | |
| 58 | DHCP6_STATE_SOLICITATION, | |
| 59 | DHCP6_STATE_REQUEST, | |
| 60 | DHCP6_STATE_BOUND, | |
| 61 | DHCP6_STATE_RENEW, | |
| 62 | DHCP6_STATE_REBIND, | |
| b895aa5f | 63 | DHCP6_STATE_STOPPING, |
| dd5e9378 YW |
64 | _DHCP6_STATE_MAX, |
| 65 | _DHCP6_STATE_INVALID = -EINVAL, | |
| 66 | } DHCP6State; | |
| 139b011a | 67 | |
| 59f1ded8 YW |
68 | /* https://www.iana.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xhtml#dhcpv6-parameters-1 */ |
| 69 | typedef enum DHCP6MessageType { | |
| 70 | DHCP6_MESSAGE_SOLICIT = 1, /* RFC 8415 */ | |
| 71 | DHCP6_MESSAGE_ADVERTISE = 2, /* RFC 8415 */ | |
| 72 | DHCP6_MESSAGE_REQUEST = 3, /* RFC 8415 */ | |
| 73 | DHCP6_MESSAGE_CONFIRM = 4, /* RFC 8415 */ | |
| 74 | DHCP6_MESSAGE_RENEW = 5, /* RFC 8415 */ | |
| 75 | DHCP6_MESSAGE_REBIND = 6, /* RFC 8415 */ | |
| 76 | DHCP6_MESSAGE_REPLY = 7, /* RFC 8415 */ | |
| 77 | DHCP6_MESSAGE_RELEASE = 8, /* RFC 8415 */ | |
| 78 | DHCP6_MESSAGE_DECLINE = 9, /* RFC 8415 */ | |
| 79 | DHCP6_MESSAGE_RECONFIGURE = 10, /* RFC 8415 */ | |
| 80 | DHCP6_MESSAGE_INFORMATION_REQUEST = 11, /* RFC 8415 */ | |
| 81 | DHCP6_MESSAGE_RELAY_FORWARD = 12, /* RFC 8415 */ | |
| 82 | DHCP6_MESSAGE_RELAY_REPLY = 13, /* RFC 8415 */ | |
| 83 | DHCP6_MESSAGE_LEASE_QUERY = 14, /* RFC 5007 */ | |
| 84 | DHCP6_MESSAGE_LEASE_QUERY_REPLY = 15, /* RFC 5007 */ | |
| 85 | DHCP6_MESSAGE_LEASE_QUERY_DONE = 16, /* RFC 5460 */ | |
| 86 | DHCP6_MESSAGE_LEASE_QUERY_DATA = 17, /* RFC 5460 */ | |
| 87 | DHCP6_MESSAGE_RECONFIGURE_REQUEST = 18, /* RFC 6977 */ | |
| 88 | DHCP6_MESSAGE_RECONFIGURE_REPLY = 19, /* RFC 6977 */ | |
| 89 | DHCP6_MESSAGE_DHCPV4_QUERY = 20, /* RFC 7341 */ | |
| 90 | DHCP6_MESSAGE_DHCPV4_RESPONSE = 21, /* RFC 7341 */ | |
| 91 | DHCP6_MESSAGE_ACTIVE_LEASE_QUERY = 22, /* RFC 7653 */ | |
| 92 | DHCP6_MESSAGE_START_TLS = 23, /* RFC 7653 */ | |
| 93 | DHCP6_MESSAGE_BINDING_UPDATE = 24, /* RFC 8156 */ | |
| 94 | DHCP6_MESSAGE_BINDING_REPLY = 25, /* RFC 8156 */ | |
| 95 | DHCP6_MESSAGE_POOL_REQUEST = 26, /* RFC 8156 */ | |
| 96 | DHCP6_MESSAGE_POOL_RESPONSE = 27, /* RFC 8156 */ | |
| 97 | DHCP6_MESSAGE_UPDATE_REQUEST = 28, /* RFC 8156 */ | |
| 98 | DHCP6_MESSAGE_UPDATE_REQUEST_ALL = 29, /* RFC 8156 */ | |
| 99 | DHCP6_MESSAGE_UPDATE_DONE = 30, /* RFC 8156 */ | |
| 100 | DHCP6_MESSAGE_CONNECT = 31, /* RFC 8156 */ | |
| 101 | DHCP6_MESSAGE_CONNECT_REPLY = 32, /* RFC 8156 */ | |
| 102 | DHCP6_MESSAGE_DISCONNECT = 33, /* RFC 8156 */ | |
| 103 | DHCP6_MESSAGE_STATE = 34, /* RFC 8156 */ | |
| 104 | DHCP6_MESSAGE_CONTACT = 35, /* RFC 8156 */ | |
| 105 | _DHCP6_MESSAGE_TYPE_MAX, | |
| 3f09d563 | 106 | _DHCP6_MESSAGE_TYPE_INVALID = -EINVAL, |
| 59f1ded8 | 107 | } DHCP6MessageType; |
| 139b011a | 108 | |
| dd5e9378 | 109 | typedef enum DHCP6NTPSubOption { |
| 6599680e PF |
110 | DHCP6_NTP_SUBOPTION_SRV_ADDR = 1, |
| 111 | DHCP6_NTP_SUBOPTION_MC_ADDR = 2, | |
| 112 | DHCP6_NTP_SUBOPTION_SRV_FQDN = 3, | |
| 3f09d563 YW |
113 | _DHCP6_NTP_SUBOPTION_MAX, |
| 114 | _DHCP6_NTP_SUBOPTION_INVALID = -EINVAL, | |
| dd5e9378 | 115 | } DHCP6NTPSubOption; |
| 6599680e | 116 | |
| 76643fed SS |
117 | /* |
| 118 | * RFC 8415, RFC 5007 and RFC 7653 status codes: | |
| 119 | * https://www.iana.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xhtml#dhcpv6-parameters-5 | |
| 120 | */ | |
| dd5e9378 | 121 | typedef enum DHCP6Status { |
| 76643fed SS |
122 | DHCP6_STATUS_SUCCESS = 0, |
| 123 | DHCP6_STATUS_UNSPEC_FAIL = 1, | |
| 124 | DHCP6_STATUS_NO_ADDRS_AVAIL = 2, | |
| 125 | DHCP6_STATUS_NO_BINDING = 3, | |
| 126 | DHCP6_STATUS_NOT_ON_LINK = 4, | |
| 127 | DHCP6_STATUS_USE_MULTICAST = 5, | |
| 128 | DHCP6_STATUS_NO_PREFIX_AVAIL = 6, | |
| 129 | DHCP6_STATUS_UNKNOWN_QUERY_TYPE = 7, | |
| 130 | DHCP6_STATUS_MALFORMED_QUERY = 8, | |
| 131 | DHCP6_STATUS_NOT_CONFIGURED = 9, | |
| 132 | DHCP6_STATUS_NOT_ALLOWED = 10, | |
| 133 | DHCP6_STATUS_QUERY_TERMINATED = 11, | |
| 134 | DHCP6_STATUS_DATA_MISSING = 12, | |
| 135 | DHCP6_STATUS_CATCHUP_COMPLETE = 13, | |
| 136 | DHCP6_STATUS_NOT_SUPPORTED = 14, | |
| 137 | DHCP6_STATUS_TLS_CONNECTION_REFUSED = 15, | |
| 138 | DHCP6_STATUS_ADDRESS_IN_USE = 16, | |
| 139 | DHCP6_STATUS_CONFIGURATION_CONFLICT = 17, | |
| 140 | DHCP6_STATUS_MISSING_BINDING_INFORMATION = 18, | |
| 141 | DHCP6_STATUS_OUTDATED_BINDING_INFORMATION = 19, | |
| 142 | DHCP6_STATUS_SERVER_SHUTTING_DOWN = 20, | |
| 143 | DHCP6_STATUS_DNS_UPDATE_NOT_SUPPORTED = 21, | |
| 144 | DHCP6_STATUS_EXCESSIVE_TIME_SKEW = 22, | |
| dd5e9378 | 145 | _DHCP6_STATUS_MAX, |
| 3f09d563 | 146 | _DHCP6_STATUS_INVALID = -EINVAL, |
| dd5e9378 | 147 | } DHCP6Status; |
| 8006aa32 | 148 | |
| dd5e9378 YW |
149 | typedef enum DHCP6FQDNFlag { |
| 150 | DHCP6_FQDN_FLAG_S = 1 << 0, | |
| 151 | DHCP6_FQDN_FLAG_O = 1 << 1, | |
| 152 | DHCP6_FQDN_FLAG_N = 1 << 2, | |
| 153 | } DHCP6FQDNFlag; | |
| 3f09d563 YW |
154 | |
| 155 | const char *dhcp6_state_to_string(DHCP6State s) _const_; | |
| 156 | const char *dhcp6_message_type_to_string(DHCP6MessageType s) _const_; | |
| 157 | DHCP6MessageType dhcp6_message_type_from_string(const char *s) _pure_; | |
| 158 | const char *dhcp6_message_status_to_string(DHCP6Status s) _const_; | |
| 159 | DHCP6Status dhcp6_message_status_from_string(const char *s) _pure_; | |
| 1929c1fc | 160 | int dhcp6_message_status_to_errno(DHCP6Status s); |