projects / thirdparty / systemd.git / blame
| Commit | Line | Data |
|---|---|---|
| 53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
| 524cf458 PF |
2 | #pragma once |
| 3 | ||
| 4 | /*** | |
| 810adae9 | 5 | Copyright © 2013 Intel Corporation. All rights reserved. |
| 524cf458 PF |
6 | ***/ |
| 7 | ||
| 8c00042c | 8 | #include <linux/if_packet.h> |
| 58587a7a | 9 | #include <net/ethernet.h> |
| 07630cea LP |
10 | #include <net/if_arp.h> |
| 11 | #include <stdint.h> | |
| 524cf458 | 12 | |
| 574cc928 | 13 | #include "sd-dhcp-client.h" |
| 07630cea | 14 | |
| 524cf458 | 15 | #include "dhcp-protocol.h" |
| 07630cea | 16 | #include "socket-util.h" |
| 524cf458 | 17 | |
| 3e7b9f76 | 18 | int dhcp_network_bind_raw_socket(int ifindex, union sockaddr_union *link, |
| 76253e73 | 19 | uint32_t xid, const uint8_t *mac_addr, |
| 9faed222 SS |
20 | size_t mac_addr_len, uint16_t arp_type, |
| 21 | uint16_t port); | |
| 3e7b9f76 | 22 | int dhcp_network_bind_udp_socket(int ifindex, be32_t address, uint16_t port); |
| 8c00042c PF |
23 | int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link, |
| 24 | const void *packet, size_t len); | |
| 080ab276 | 25 | int dhcp_network_send_udp_socket(int s, be32_t address, uint16_t port, |
| 234fc2df | 26 | const void *packet, size_t len); |
| 8b4a9693 | 27 | |
| 04b28be1 | 28 | int dhcp_option_append(DHCPMessage *message, size_t size, size_t *offset, uint8_t overload, |
| 20b958bf | 29 | uint8_t code, size_t optlen, const void *optval); |
| 524cf458 | 30 | |
| ccf86354 | 31 | typedef int (*dhcp_option_callback_t)(uint8_t code, uint8_t len, |
| e4735228 | 32 | const void *option, void *userdata); |
| cf597f65 | 33 | |
| ccf86354 | 34 | int dhcp_option_parse(DHCPMessage *message, size_t len, dhcp_option_callback_t cb, void *userdata, char **error_message); |
| cf597f65 | 35 | |
| 76253e73 DW |
36 | int dhcp_message_init(DHCPMessage *message, uint8_t op, uint32_t xid, |
| 37 | uint8_t type, uint16_t arp_type, size_t optlen, | |
| 38 | size_t *optoffset); | |
| cf597f65 | 39 | |
| 0bbc2c1f | 40 | uint16_t dhcp_packet_checksum(uint8_t *buf, size_t len); |
| a838c939 | 41 | |
| 63edaa62 TG |
42 | void dhcp_packet_append_ip_headers(DHCPPacket *packet, be32_t source_addr, |
| 43 | uint16_t source, be32_t destination_addr, | |
| 44 | uint16_t destination, uint16_t len); | |
| cf597f65 | 45 | |
| 9faed222 | 46 | int dhcp_packet_verify_headers(DHCPPacket *packet, size_t len, bool checksum, uint16_t port); |
| ee57a737 | 47 | |
| 574cc928 TG |
48 | /* If we are invoking callbacks of a dhcp-client, ensure unreffing the |
| 49 | * client from the callback doesn't destroy the object we are working | |
| 50 | * on */ | |
| 51 | #define DHCP_CLIENT_DONT_DESTROY(client) \ | |
| 4afd3348 | 52 | _cleanup_(sd_dhcp_client_unrefp) _unused_ sd_dhcp_client *_dont_destroy_##client = sd_dhcp_client_ref(client) |
| 574cc928 | 53 | |
| 004845d1 LP |
54 | #define log_dhcp_client_errno(client, error, fmt, ...) log_internal(LOG_DEBUG, error, __FILE__, __LINE__, __func__, "DHCP CLIENT (0x%x): " fmt, client->xid, ##__VA_ARGS__) |
| 55 | #define log_dhcp_client(client, fmt, ...) log_dhcp_client_errno(client, 0, fmt, ##__VA_ARGS__) |