| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| #ifndef foosddhcpclienthfoo |
| #define foosddhcpclienthfoo |
| |
| /*** |
| Copyright © 2013 Intel Corporation. All rights reserved. |
| |
| systemd is free software; you can redistribute it and/or modify it |
| under the terms of the GNU Lesser General Public License as published by |
| the Free Software Foundation; either version 2.1 of the License, or |
| (at your option) any later version. |
| |
| systemd is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with systemd; If not, see <https://www.gnu.org/licenses/>. |
| ***/ |
| |
| #include <inttypes.h> |
| #include <net/ethernet.h> |
| #include <netinet/in.h> |
| #include <sys/types.h> |
| #include <stdbool.h> |
| |
| #include "sd-device.h" |
| #include "sd-dhcp-lease.h" |
| #include "sd-dhcp-option.h" |
| #include "sd-event.h" |
| |
| #include "_sd-common.h" |
| |
| _SD_BEGIN_DECLARATIONS; |
| |
| enum { |
| SD_DHCP_CLIENT_EVENT_STOP = 0, |
| SD_DHCP_CLIENT_EVENT_IP_ACQUIRE = 1, |
| SD_DHCP_CLIENT_EVENT_IP_CHANGE = 2, |
| SD_DHCP_CLIENT_EVENT_EXPIRED = 3, |
| SD_DHCP_CLIENT_EVENT_RENEW = 4, |
| SD_DHCP_CLIENT_EVENT_SELECTING = 5, |
| SD_DHCP_CLIENT_EVENT_TRANSIENT_FAILURE = 6 /* Sent when we have not received a reply after the first few attempts. |
| * The client may want to start acquiring link-local addresses. */ |
| }; |
| |
| /* https://www.iana.org/assignments/bootp-dhcp-parameters/bootp-dhcp-parameters.xhtml#options */ |
| enum { |
| SD_DHCP_OPTION_PAD = 0, /* [RFC2132] */ |
| SD_DHCP_OPTION_SUBNET_MASK = 1, /* [RFC2132] */ |
| SD_DHCP_OPTION_TIME_OFFSET = 2, /* [RFC2132], deprecated by 100 and 101 */ |
| SD_DHCP_OPTION_ROUTER = 3, /* [RFC2132] */ |
| SD_DHCP_OPTION_TIME_SERVER = 4, /* [RFC2132] */ |
| SD_DHCP_OPTION_NAME_SERVER = 5, /* [RFC2132] */ |
| SD_DHCP_OPTION_DOMAIN_NAME_SERVER = 6, /* [RFC2132] */ |
| SD_DHCP_OPTION_LOG_SERVER = 7, /* [RFC2132] */ |
| SD_DHCP_OPTION_QUOTES_SERVER = 8, /* [RFC2132] */ |
| SD_DHCP_OPTION_LPR_SERVER = 9, /* [RFC2132] */ |
| SD_DHCP_OPTION_IMPRESS_SERVER = 10, /* [RFC2132] */ |
| SD_DHCP_OPTION_RLP_SERVER = 11, /* [RFC2132] */ |
| SD_DHCP_OPTION_HOST_NAME = 12, /* [RFC2132] */ |
| SD_DHCP_OPTION_BOOT_FILE_SIZE = 13, /* [RFC2132] */ |
| SD_DHCP_OPTION_MERIT_DUMP_FILE = 14, /* [RFC2132] */ |
| SD_DHCP_OPTION_DOMAIN_NAME = 15, /* [RFC2132] */ |
| SD_DHCP_OPTION_SWAP_SERVER = 16, /* [RFC2132] */ |
| SD_DHCP_OPTION_ROOT_PATH = 17, /* [RFC2132] */ |
| SD_DHCP_OPTION_EXTENSION_FILE = 18, /* [RFC2132] */ |
| SD_DHCP_OPTION_FORWARD = 19, /* [RFC2132] */ |
| SD_DHCP_OPTION_SOURCE_ROUTE = 20, /* [RFC2132] */ |
| SD_DHCP_OPTION_POLICY_FILTER = 21, /* [RFC2132] */ |
| SD_DHCP_OPTION_MAX_DATAGRAM_ASSEMBLY = 22, /* [RFC2132] */ |
| SD_DHCP_OPTION_DEFAULT_IP_TTL = 23, /* [RFC2132] */ |
| SD_DHCP_OPTION_MTU_TIMEOUT = 24, /* [RFC2132] */ |
| SD_DHCP_OPTION_MTU_PLATEAU = 25, /* [RFC2132] */ |
| SD_DHCP_OPTION_MTU_INTERFACE = 26, /* [RFC2132] */ |
| SD_DHCP_OPTION_MTU_SUBNET = 27, /* [RFC2132] */ |
| SD_DHCP_OPTION_BROADCAST = 28, /* [RFC2132] */ |
| SD_DHCP_OPTION_MASK_DISCOVERY = 29, /* [RFC2132] */ |
| SD_DHCP_OPTION_MASK_SUPPLIER = 30, /* [RFC2132] */ |
| SD_DHCP_OPTION_ROUTER_DISCOVERY = 31, /* [RFC2132] */ |
| SD_DHCP_OPTION_ROUTER_REQUEST = 32, /* [RFC2132] */ |
| SD_DHCP_OPTION_STATIC_ROUTE = 33, /* [RFC2132] */ |
| SD_DHCP_OPTION_TRAILERS = 34, /* [RFC2132] */ |
| SD_DHCP_OPTION_ARP_TIMEOUT = 35, /* [RFC2132] */ |
| SD_DHCP_OPTION_ETHERNET = 36, /* [RFC2132] */ |
| SD_DHCP_OPTION_DEFAULT_TCP_TTL = 37, /* [RFC2132] */ |
| SD_DHCP_OPTION_KEEPALIVE_TIME = 38, /* [RFC2132] */ |
| SD_DHCP_OPTION_KEEPALIVE_DATA = 39, /* [RFC2132] */ |
| SD_DHCP_OPTION_NIS_DOMAIN = 40, /* [RFC2132] */ |
| SD_DHCP_OPTION_NIS_SERVER = 41, /* [RFC2132] */ |
| SD_DHCP_OPTION_NTP_SERVER = 42, /* [RFC2132] */ |
| SD_DHCP_OPTION_VENDOR_SPECIFIC = 43, /* [RFC2132] */ |
| SD_DHCP_OPTION_NETBIOS_NAME_SERVER = 44, /* [RFC2132] */ |
| SD_DHCP_OPTION_NETBIOS_DIST_SERVER = 45, /* [RFC2132] */ |
| SD_DHCP_OPTION_NETBIOS_NODE_TYPE = 46, /* [RFC2132] */ |
| SD_DHCP_OPTION_NETBIOS_SCOPE = 47, /* [RFC2132] */ |
| SD_DHCP_OPTION_X_WINDOW_FONT = 48, /* [RFC2132] */ |
| SD_DHCP_OPTION_X_WINDOW_MANAGER = 49, /* [RFC2132] */ |
| SD_DHCP_OPTION_REQUESTED_IP_ADDRESS = 50, /* [RFC2132] */ |
| SD_DHCP_OPTION_IP_ADDRESS_LEASE_TIME = 51, /* [RFC2132] */ |
| SD_DHCP_OPTION_OVERLOAD = 52, /* [RFC2132] */ |
| SD_DHCP_OPTION_MESSAGE_TYPE = 53, /* [RFC2132] */ |
| SD_DHCP_OPTION_SERVER_IDENTIFIER = 54, /* [RFC2132] */ |
| SD_DHCP_OPTION_PARAMETER_REQUEST_LIST = 55, /* [RFC2132] */ |
| SD_DHCP_OPTION_ERROR_MESSAGE = 56, /* [RFC2132] */ |
| SD_DHCP_OPTION_MAXIMUM_MESSAGE_SIZE = 57, /* [RFC2132] */ |
| SD_DHCP_OPTION_RENEWAL_TIME = 58, /* [RFC2132] */ |
| SD_DHCP_OPTION_REBINDING_TIME = 59, /* [RFC2132] */ |
| SD_DHCP_OPTION_VENDOR_CLASS_IDENTIFIER = 60, /* [RFC2132] */ |
| SD_DHCP_OPTION_CLIENT_IDENTIFIER = 61, /* [RFC2132] */ |
| SD_DHCP_OPTION_NETWARE_IP_DOMAIN = 62, /* [RFC2242] */ |
| SD_DHCP_OPTION_NETWARE_IP_OPTION = 63, /* [RFC2242] */ |
| SD_DHCP_OPTION_NIS_DOMAIN_NAME = 64, /* [RFC2132] */ |
| SD_DHCP_OPTION_NIS_SERVER_ADDR = 65, /* [RFC2132] */ |
| SD_DHCP_OPTION_BOOT_SERVER_NAME = 66, /* [RFC2132] */ |
| SD_DHCP_OPTION_BOOT_FILENAME = 67, /* [RFC2132] */ |
| SD_DHCP_OPTION_HOME_AGENT_ADDRESSES = 68, /* [RFC2132] */ |
| SD_DHCP_OPTION_SMTP_SERVER = 69, /* [RFC2132] */ |
| SD_DHCP_OPTION_POP3_SERVER = 70, /* [RFC2132] */ |
| SD_DHCP_OPTION_NNTP_SERVER = 71, /* [RFC2132] */ |
| SD_DHCP_OPTION_WWW_SERVER = 72, /* [RFC2132] */ |
| SD_DHCP_OPTION_FINGER_SERVER = 73, /* [RFC2132] */ |
| SD_DHCP_OPTION_IRC_SERVER = 74, /* [RFC2132] */ |
| SD_DHCP_OPTION_STREETTALK_SERVER = 75, /* [RFC2132] */ |
| SD_DHCP_OPTION_STDA_SERVER = 76, /* [RFC2132] */ |
| SD_DHCP_OPTION_USER_CLASS = 77, /* [RFC3004] */ |
| SD_DHCP_OPTION_DIRECTORY_AGENT = 78, /* [RFC2610] */ |
| SD_DHCP_OPTION_SERVICE_SCOPE = 79, /* [RFC2610] */ |
| SD_DHCP_OPTION_RAPID_COMMIT = 80, /* [RFC4039] */ |
| SD_DHCP_OPTION_FQDN = 81, /* [RFC4702] */ |
| SD_DHCP_OPTION_RELAY_AGENT_INFORMATION = 82, /* [RFC3046] */ |
| SD_DHCP_OPTION_ISNS = 83, /* [RFC4174] */ |
| /* option code 84 is unassigned [RFC3679] */ |
| SD_DHCP_OPTION_NDS_SERVER = 85, /* [RFC2241] */ |
| SD_DHCP_OPTION_NDS_TREE_NAME = 86, /* [RFC2241] */ |
| SD_DHCP_OPTION_NDS_CONTEXT = 87, /* [RFC2241] */ |
| SD_DHCP_OPTION_BCMCS_CONTROLLER_DOMAIN_NAME = 88, /* [RFC4280] */ |
| SD_DHCP_OPTION_BCMCS_CONTROLLER_ADDRESS = 89, /* [RFC4280] */ |
| SD_DHCP_OPTION_AUTHENTICATION = 90, /* [RFC3118] */ |
| SD_DHCP_OPTION_CLIENT_LAST_TRANSACTION_TIME = 91, /* [RFC4388] */ |
| SD_DHCP_OPTION_ASSOCIATED_IP = 92, /* [RFC4388] */ |
| SD_DHCP_OPTION_CLIENT_SYSTEM = 93, /* [RFC4578] */ |
| SD_DHCP_OPTION_CLIENT_NDI = 94, /* [RFC4578] */ |
| SD_DHCP_OPTION_LDAP = 95, /* [RFC3679] */ |
| /* option code 96 is unassigned [RFC3679] */ |
| SD_DHCP_OPTION_UUID = 97, /* [RFC4578] */ |
| SD_DHCP_OPTION_USER_AUTHENTICATION = 98, /* [RFC2485] */ |
| SD_DHCP_OPTION_GEOCONF_CIVIC = 99, /* [RFC4776] */ |
| SD_DHCP_OPTION_POSIX_TIMEZONE = 100, /* [RFC4833] */ |
| SD_DHCP_OPTION_TZDB_TIMEZONE = 101, /* [RFC4833] */ |
| /* option codes 102-107 are unassigned [RFC3679] */ |
| SD_DHCP_OPTION_IPV6_ONLY_PREFERRED = 108, /* [RFC8925] */ |
| SD_DHCP_OPTION_DHCP4O6_SOURCE_ADDRESS = 109, /* [RFC8539] */ |
| /* option codes 110-111 are unassigned [RFC3679] */ |
| SD_DHCP_OPTION_NETINFO_ADDRESS = 112, /* [RFC3679] */ |
| SD_DHCP_OPTION_NETINFO_TAG = 113, /* [RFC3679] */ |
| SD_DHCP_OPTION_DHCP_CAPTIVE_PORTAL = 114, /* [RFC8910] */ |
| /* option code 115 is unassigned [RFC3679] */ |
| SD_DHCP_OPTION_AUTO_CONFIG = 116, /* [RFC2563] */ |
| SD_DHCP_OPTION_NAME_SERVICE_SEARCH = 117, /* [RFC2937] */ |
| SD_DHCP_OPTION_SUBNET_SELECTION = 118, /* [RFC3011] */ |
| SD_DHCP_OPTION_DOMAIN_SEARCH = 119, /* [RFC3397] */ |
| SD_DHCP_OPTION_SIP_SERVER = 120, /* [RFC3361] */ |
| SD_DHCP_OPTION_CLASSLESS_STATIC_ROUTE = 121, /* [RFC3442] */ |
| SD_DHCP_OPTION_CABLELABS_CLIENT_CONFIGURATION = 122, /* [RFC3495] */ |
| SD_DHCP_OPTION_GEOCONF = 123, /* [RFC6225] */ |
| SD_DHCP_OPTION_VENDOR_CLASS = 124, /* [RFC3925] */ |
| SD_DHCP_OPTION_VENDOR_SPECIFIC_INFORMATION = 125, /* [RFC3925] */ |
| /* option codes 126-127 are unassigned [RFC3679] */ |
| /* option codes 128-135 are assigned to use by PXE, but they are vendor specific [RFC4578] */ |
| SD_DHCP_OPTION_PANA_AGENT = 136, /* [RFC5192] */ |
| SD_DHCP_OPTION_LOST_SERVER_FQDN = 137, /* [RFC5223] */ |
| SD_DHCP_OPTION_CAPWAP_AC_ADDRESS = 138, /* [RFC5417] */ |
| SD_DHCP_OPTION_MOS_ADDRESS = 139, /* [RFC5678] */ |
| SD_DHCP_OPTION_MOS_FQDN = 140, /* [RFC5678] */ |
| SD_DHCP_OPTION_SIP_SERVICE_DOMAIN = 141, /* [RFC6011] */ |
| SD_DHCP_OPTION_ANDSF_ADDRESS = 142, /* [RFC6153] */ |
| SD_DHCP_OPTION_SZTP_REDIRECT = 143, /* [RFC8572] */ |
| SD_DHCP_OPTION_GEOLOC = 144, /* [RFC6225] */ |
| SD_DHCP_OPTION_FORCERENEW_NONCE_CAPABLE = 145, /* [RFC6704] */ |
| SD_DHCP_OPTION_RDNSS_SELECTION = 146, /* [RFC6731] */ |
| SD_DHCP_OPTION_DOTS_RI = 147, /* [RFC8973] */ |
| SD_DHCP_OPTION_DOTS_ADDRESS = 148, /* [RFC8973] */ |
| /* option code 149 is unassigned [RFC3942] */ |
| SD_DHCP_OPTION_TFTP_SERVER_ADDRESS = 150, /* [RFC5859] */ |
| SD_DHCP_OPTION_STATUS_CODE = 151, /* [RFC6926] */ |
| SD_DHCP_OPTION_BASE_TIME = 152, /* [RFC6926] */ |
| SD_DHCP_OPTION_START_TIME_OF_STATE = 153, /* [RFC6926] */ |
| SD_DHCP_OPTION_QUERY_START_TIME = 154, /* [RFC6926] */ |
| SD_DHCP_OPTION_QUERY_END_TIME = 155, /* [RFC6926] */ |
| SD_DHCP_OPTION_DHCP_STATE = 156, /* [RFC6926] */ |
| SD_DHCP_OPTION_DATA_SOURCE = 157, /* [RFC6926] */ |
| SD_DHCP_OPTION_PCP_SERVER = 158, /* [RFC7291] */ |
| SD_DHCP_OPTION_PORT_PARAMS = 159, /* [RFC7618] */ |
| /* option code 160 is unassigned [RFC7710][RFC8910] */ |
| SD_DHCP_OPTION_MUD_URL = 161, /* [RFC8520] */ |
| /* option codes 162-174 are unassigned [RFC3942] */ |
| /* option codes 175-177 are temporary assigned. */ |
| /* option codes 178-207 are unassigned [RFC3942] */ |
| SD_DHCP_OPTION_PXELINUX_MAGIC = 208, /* [RFC5071] Deprecated */ |
| SD_DHCP_OPTION_CONFIGURATION_FILE = 209, /* [RFC5071] */ |
| SD_DHCP_OPTION_PATH_PREFIX = 210, /* [RFC5071] */ |
| SD_DHCP_OPTION_REBOOT_TIME = 211, /* [RFC5071] */ |
| SD_DHCP_OPTION_6RD = 212, /* [RFC5969] */ |
| SD_DHCP_OPTION_ACCESS_DOMAIN = 213, /* [RFC5986] */ |
| /* option codes 214-219 are unassigned */ |
| SD_DHCP_OPTION_SUBNET_ALLOCATION = 220, /* [RFC6656] */ |
| SD_DHCP_OPTION_VIRTUAL_SUBNET_SELECTION = 221, /* [RFC6607] */ |
| /* option codes 222-223 are unassigned [RFC3942] */ |
| /* option codes 224-254 are reserved for private use */ |
| SD_DHCP_OPTION_PRIVATE_BASE = 224, |
| SD_DHCP_OPTION_PRIVATE_CLASSLESS_STATIC_ROUTE = 249, /* [RFC7844] */ |
| SD_DHCP_OPTION_PRIVATE_PROXY_AUTODISCOVERY = 252, /* [RFC7844] */ |
| SD_DHCP_OPTION_PRIVATE_LAST = 254, |
| SD_DHCP_OPTION_END = 255 /* [RFC2132] */ |
| }; |
| |
| /* Suboptions for SD_DHCP_OPTION_RELAY_AGENT_INFORMATION option */ |
| enum { |
| SD_DHCP_RELAY_AGENT_CIRCUIT_ID = 1, |
| SD_DHCP_RELAY_AGENT_REMOTE_ID = 2 |
| }; |
| |
| typedef struct sd_dhcp_client sd_dhcp_client; |
| |
| typedef int (*sd_dhcp_client_callback_t)(sd_dhcp_client *client, int event, void *userdata); |
| int sd_dhcp_client_set_callback( |
| sd_dhcp_client *client, |
| sd_dhcp_client_callback_t cb, |
| void *userdata); |
| |
| int sd_dhcp_client_set_request_option( |
| sd_dhcp_client *client, |
| uint8_t option); |
| int sd_dhcp_client_set_request_address( |
| sd_dhcp_client *client, |
| const struct in_addr *last_address); |
| int sd_dhcp_client_set_request_broadcast( |
| sd_dhcp_client *client, |
| int broadcast); |
| int sd_dhcp_client_set_ifindex( |
| sd_dhcp_client *client, |
| int interface_index); |
| int sd_dhcp_client_set_ifname( |
| sd_dhcp_client *client, |
| const char *interface_name); |
| int sd_dhcp_client_get_ifname(sd_dhcp_client *client, const char **ret); |
| int sd_dhcp_client_set_mac( |
| sd_dhcp_client *client, |
| const uint8_t *hw_addr, |
| const uint8_t *bcast_addr, |
| size_t addr_len, |
| uint16_t arp_type); |
| int sd_dhcp_client_set_client_id( |
| sd_dhcp_client *client, |
| uint8_t type, |
| const uint8_t *data, |
| size_t data_len); |
| __extension__ int sd_dhcp_client_set_iaid_duid( |
| sd_dhcp_client *client, |
| bool iaid_set, |
| uint32_t iaid, |
| uint16_t duid_type, |
| const void *duid, |
| size_t duid_len); |
| __extension__ int sd_dhcp_client_set_iaid_duid_llt( |
| sd_dhcp_client *client, |
| bool iaid_set, |
| uint32_t iaid, |
| uint64_t llt_time); |
| int sd_dhcp_client_set_duid( |
| sd_dhcp_client *client, |
| uint16_t duid_type, |
| const void *duid, |
| size_t duid_len); |
| int sd_dhcp_client_set_duid_llt( |
| sd_dhcp_client *client, |
| uint64_t llt_time); |
| int sd_dhcp_client_get_client_id( |
| sd_dhcp_client *client, |
| uint8_t *type, |
| const uint8_t **data, |
| size_t *data_len); |
| int sd_dhcp_client_set_mtu( |
| sd_dhcp_client *client, |
| uint32_t mtu); |
| int sd_dhcp_client_set_max_attempts( |
| sd_dhcp_client *client, |
| uint64_t attempt); |
| int sd_dhcp_client_set_client_port( |
| sd_dhcp_client *client, |
| uint16_t port); |
| int sd_dhcp_client_set_hostname( |
| sd_dhcp_client *client, |
| const char *hostname); |
| int sd_dhcp_client_set_vendor_class_identifier( |
| sd_dhcp_client *client, |
| const char *vci); |
| int sd_dhcp_client_set_mud_url( |
| sd_dhcp_client *client, |
| const char *mudurl); |
| int sd_dhcp_client_set_user_class( |
| sd_dhcp_client *client, |
| char * const *user_class); |
| int sd_dhcp_client_get_lease( |
| sd_dhcp_client *client, |
| sd_dhcp_lease **ret); |
| int sd_dhcp_client_set_service_type( |
| sd_dhcp_client *client, |
| int type); |
| int sd_dhcp_client_set_socket_priority( |
| sd_dhcp_client *client, |
| int so_priority); |
| int sd_dhcp_client_set_fallback_lease_lifetime( |
| sd_dhcp_client *client, |
| uint32_t fallback_lease_lifetime); |
| |
| int sd_dhcp_client_add_option(sd_dhcp_client *client, sd_dhcp_option *v); |
| int sd_dhcp_client_add_vendor_option(sd_dhcp_client *client, sd_dhcp_option *v); |
| |
| int sd_dhcp_client_is_running(sd_dhcp_client *client); |
| int sd_dhcp_client_stop(sd_dhcp_client *client); |
| int sd_dhcp_client_start(sd_dhcp_client *client); |
| int sd_dhcp_client_send_release(sd_dhcp_client *client); |
| int sd_dhcp_client_send_decline(sd_dhcp_client *client); |
| int sd_dhcp_client_send_renew(sd_dhcp_client *client); |
| |
| sd_dhcp_client *sd_dhcp_client_ref(sd_dhcp_client *client); |
| sd_dhcp_client *sd_dhcp_client_unref(sd_dhcp_client *client); |
| |
| /* NOTE: anonymize parameter is used to initialize PRL memory with different |
| * options when using RFC7844 Anonymity Profiles */ |
| int sd_dhcp_client_new(sd_dhcp_client **ret, int anonymize); |
| |
| int sd_dhcp_client_id_to_string(const void *data, size_t len, char **ret); |
| |
| int sd_dhcp_client_attach_event( |
| sd_dhcp_client *client, |
| sd_event *event, |
| int64_t priority); |
| int sd_dhcp_client_detach_event(sd_dhcp_client *client); |
| sd_event *sd_dhcp_client_get_event(sd_dhcp_client *client); |
| int sd_dhcp_client_attach_device(sd_dhcp_client *client, sd_device *dev); |
| |
| _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_dhcp_client, sd_dhcp_client_unref); |
| |
| _SD_END_DECLARATIONS; |
| |
| #endif |
