diff options
Diffstat (limited to 'src/libsystemd-network/dhcp6-protocol.h')
| -rw-r--r-- | src/libsystemd-network/dhcp6-protocol.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/libsystemd-network/dhcp6-protocol.h b/src/libsystemd-network/dhcp6-protocol.h new file mode 100644 index 0000000..1821769 --- /dev/null +++ b/src/libsystemd-network/dhcp6-protocol.h @@ -0,0 +1,157 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +/*** + Copyright © 2014 Intel Corporation. All rights reserved. +***/ + +#include <errno.h> +#include <netinet/ip6.h> +#include <netinet/udp.h> + +#include "macro.h" +#include "sparse-endian.h" + +struct DHCP6Message { + union { + struct { + uint8_t type; + uint8_t _pad[3]; + } _packed_; + be32_t transaction_id; + }; + uint8_t options[]; +} _packed_; + +typedef struct DHCP6Message DHCP6Message; + +#define DHCP6_MIN_OPTIONS_SIZE \ + 1280 - sizeof(struct ip6_hdr) - sizeof(struct udphdr) + +#define IN6ADDR_ALL_DHCP6_RELAY_AGENTS_AND_SERVERS_INIT \ + { { { 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02 } } } + +enum { + DHCP6_PORT_SERVER = 547, + DHCP6_PORT_CLIENT = 546, +}; + +#define DHCP6_INF_TIMEOUT (1 * USEC_PER_SEC) +#define DHCP6_INF_MAX_RT (120 * USEC_PER_SEC) +#define DHCP6_SOL_MAX_DELAY (1 * USEC_PER_SEC) +#define DHCP6_SOL_TIMEOUT (1 * USEC_PER_SEC) +#define DHCP6_SOL_MAX_RT (120 * USEC_PER_SEC) +#define DHCP6_REQ_TIMEOUT (1 * USEC_PER_SEC) +#define DHCP6_REQ_MAX_RT (120 * USEC_PER_SEC) +#define DHCP6_REQ_MAX_RC 10 +#define DHCP6_REN_TIMEOUT (10 * USEC_PER_SEC) +#define DHCP6_REN_MAX_RT (600 * USEC_PER_SEC) +#define DHCP6_REB_TIMEOUT (10 * USEC_PER_SEC) +#define DHCP6_REB_MAX_RT (600 * USEC_PER_SEC) + +typedef enum DHCP6State { + DHCP6_STATE_STOPPED, + DHCP6_STATE_INFORMATION_REQUEST, + DHCP6_STATE_SOLICITATION, + DHCP6_STATE_REQUEST, + DHCP6_STATE_BOUND, + DHCP6_STATE_RENEW, + DHCP6_STATE_REBIND, + _DHCP6_STATE_MAX, + _DHCP6_STATE_INVALID = -EINVAL, +} DHCP6State; + +/* https://www.iana.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xhtml#dhcpv6-parameters-1 */ +typedef enum DHCP6MessageType { + DHCP6_MESSAGE_SOLICIT = 1, /* RFC 8415 */ + DHCP6_MESSAGE_ADVERTISE = 2, /* RFC 8415 */ + DHCP6_MESSAGE_REQUEST = 3, /* RFC 8415 */ + DHCP6_MESSAGE_CONFIRM = 4, /* RFC 8415 */ + DHCP6_MESSAGE_RENEW = 5, /* RFC 8415 */ + DHCP6_MESSAGE_REBIND = 6, /* RFC 8415 */ + DHCP6_MESSAGE_REPLY = 7, /* RFC 8415 */ + DHCP6_MESSAGE_RELEASE = 8, /* RFC 8415 */ + DHCP6_MESSAGE_DECLINE = 9, /* RFC 8415 */ + DHCP6_MESSAGE_RECONFIGURE = 10, /* RFC 8415 */ + DHCP6_MESSAGE_INFORMATION_REQUEST = 11, /* RFC 8415 */ + DHCP6_MESSAGE_RELAY_FORWARD = 12, /* RFC 8415 */ + DHCP6_MESSAGE_RELAY_REPLY = 13, /* RFC 8415 */ + DHCP6_MESSAGE_LEASE_QUERY = 14, /* RFC 5007 */ + DHCP6_MESSAGE_LEASE_QUERY_REPLY = 15, /* RFC 5007 */ + DHCP6_MESSAGE_LEASE_QUERY_DONE = 16, /* RFC 5460 */ + DHCP6_MESSAGE_LEASE_QUERY_DATA = 17, /* RFC 5460 */ + DHCP6_MESSAGE_RECONFIGURE_REQUEST = 18, /* RFC 6977 */ + DHCP6_MESSAGE_RECONFIGURE_REPLY = 19, /* RFC 6977 */ + DHCP6_MESSAGE_DHCPV4_QUERY = 20, /* RFC 7341 */ + DHCP6_MESSAGE_DHCPV4_RESPONSE = 21, /* RFC 7341 */ + DHCP6_MESSAGE_ACTIVE_LEASE_QUERY = 22, /* RFC 7653 */ + DHCP6_MESSAGE_START_TLS = 23, /* RFC 7653 */ + DHCP6_MESSAGE_BINDING_UPDATE = 24, /* RFC 8156 */ + DHCP6_MESSAGE_BINDING_REPLY = 25, /* RFC 8156 */ + DHCP6_MESSAGE_POOL_REQUEST = 26, /* RFC 8156 */ + DHCP6_MESSAGE_POOL_RESPONSE = 27, /* RFC 8156 */ + DHCP6_MESSAGE_UPDATE_REQUEST = 28, /* RFC 8156 */ + DHCP6_MESSAGE_UPDATE_REQUEST_ALL = 29, /* RFC 8156 */ + DHCP6_MESSAGE_UPDATE_DONE = 30, /* RFC 8156 */ + DHCP6_MESSAGE_CONNECT = 31, /* RFC 8156 */ + DHCP6_MESSAGE_CONNECT_REPLY = 32, /* RFC 8156 */ + DHCP6_MESSAGE_DISCONNECT = 33, /* RFC 8156 */ + DHCP6_MESSAGE_STATE = 34, /* RFC 8156 */ + DHCP6_MESSAGE_CONTACT = 35, /* RFC 8156 */ + _DHCP6_MESSAGE_TYPE_MAX, + _DHCP6_MESSAGE_TYPE_INVALID = -EINVAL, +} DHCP6MessageType; + +typedef enum DHCP6NTPSubOption { + DHCP6_NTP_SUBOPTION_SRV_ADDR = 1, + DHCP6_NTP_SUBOPTION_MC_ADDR = 2, + DHCP6_NTP_SUBOPTION_SRV_FQDN = 3, + _DHCP6_NTP_SUBOPTION_MAX, + _DHCP6_NTP_SUBOPTION_INVALID = -EINVAL, +} DHCP6NTPSubOption; + +/* + * RFC 8415, RFC 5007 and RFC 7653 status codes: + * https://www.iana.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xhtml#dhcpv6-parameters-5 + */ +typedef enum DHCP6Status { + DHCP6_STATUS_SUCCESS = 0, + DHCP6_STATUS_UNSPEC_FAIL = 1, + DHCP6_STATUS_NO_ADDRS_AVAIL = 2, + DHCP6_STATUS_NO_BINDING = 3, + DHCP6_STATUS_NOT_ON_LINK = 4, + DHCP6_STATUS_USE_MULTICAST = 5, + DHCP6_STATUS_NO_PREFIX_AVAIL = 6, + DHCP6_STATUS_UNKNOWN_QUERY_TYPE = 7, + DHCP6_STATUS_MALFORMED_QUERY = 8, + DHCP6_STATUS_NOT_CONFIGURED = 9, + DHCP6_STATUS_NOT_ALLOWED = 10, + DHCP6_STATUS_QUERY_TERMINATED = 11, + DHCP6_STATUS_DATA_MISSING = 12, + DHCP6_STATUS_CATCHUP_COMPLETE = 13, + DHCP6_STATUS_NOT_SUPPORTED = 14, + DHCP6_STATUS_TLS_CONNECTION_REFUSED = 15, + DHCP6_STATUS_ADDRESS_IN_USE = 16, + DHCP6_STATUS_CONFIGURATION_CONFLICT = 17, + DHCP6_STATUS_MISSING_BINDING_INFORMATION = 18, + DHCP6_STATUS_OUTDATED_BINDING_INFORMATION = 19, + DHCP6_STATUS_SERVER_SHUTTING_DOWN = 20, + DHCP6_STATUS_DNS_UPDATE_NOT_SUPPORTED = 21, + DHCP6_STATUS_EXCESSIVE_TIME_SKEW = 22, + _DHCP6_STATUS_MAX, + _DHCP6_STATUS_INVALID = -EINVAL, +} DHCP6Status; + +typedef enum DHCP6FQDNFlag { + DHCP6_FQDN_FLAG_S = 1 << 0, + DHCP6_FQDN_FLAG_O = 1 << 1, + DHCP6_FQDN_FLAG_N = 1 << 2, +} DHCP6FQDNFlag; + +const char *dhcp6_state_to_string(DHCP6State s) _const_; +const char *dhcp6_message_type_to_string(DHCP6MessageType s) _const_; +DHCP6MessageType dhcp6_message_type_from_string(const char *s) _pure_; +const char *dhcp6_message_status_to_string(DHCP6Status s) _const_; +DHCP6Status dhcp6_message_status_from_string(const char *s) _pure_; +int dhcp6_message_status_to_errno(DHCP6Status s); |