From ce31ec116f9bf4ad45952b6a200f4181fac311a3 Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Tue, 13 Sep 2016 21:24:07 -0400 Subject: ./tools/notsd-move --- .../include/systemd-network/dhcp-protocol.h | 113 +++++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 src/libsystemd-network/include/systemd-network/dhcp-protocol.h (limited to 'src/libsystemd-network/include/systemd-network/dhcp-protocol.h') diff --git a/src/libsystemd-network/include/systemd-network/dhcp-protocol.h b/src/libsystemd-network/include/systemd-network/dhcp-protocol.h new file mode 100644 index 0000000000..9c7197b79a --- /dev/null +++ b/src/libsystemd-network/include/systemd-network/dhcp-protocol.h @@ -0,0 +1,113 @@ +#pragma once + +/*** + This file is part of systemd. + + Copyright (C) 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 . +***/ + +#include +#include +#include + +#include "basic/macro.h" +#include "basic/sparse-endian.h" + +struct DHCPMessage { + uint8_t op; + uint8_t htype; + uint8_t hlen; + uint8_t hops; + be32_t xid; + be16_t secs; + be16_t flags; + be32_t ciaddr; + be32_t yiaddr; + be32_t siaddr; + be32_t giaddr; + uint8_t chaddr[16]; + uint8_t sname[64]; + uint8_t file[128]; + be32_t magic; + uint8_t options[0]; +} _packed_; + +typedef struct DHCPMessage DHCPMessage; + +struct DHCPPacket { + struct iphdr ip; + struct udphdr udp; + DHCPMessage dhcp; +} _packed_; + +typedef struct DHCPPacket DHCPPacket; + +#define DHCP_IP_SIZE (int32_t)(sizeof(struct iphdr)) +#define DHCP_IP_UDP_SIZE (int32_t)(sizeof(struct udphdr) + DHCP_IP_SIZE) +#define DHCP_MESSAGE_SIZE (int32_t)(sizeof(DHCPMessage)) +#define DHCP_DEFAULT_MIN_SIZE 576 /* the minimum internet hosts must be able to receive */ +#define DHCP_MIN_OPTIONS_SIZE (DHCP_DEFAULT_MIN_SIZE - DHCP_IP_UDP_SIZE - DHCP_MESSAGE_SIZE) +#define DHCP_MAGIC_COOKIE (uint32_t)(0x63825363) + +enum { + DHCP_PORT_SERVER = 67, + DHCP_PORT_CLIENT = 68, +}; + +enum DHCPState { + DHCP_STATE_INIT = 0, + DHCP_STATE_SELECTING = 1, + DHCP_STATE_INIT_REBOOT = 2, + DHCP_STATE_REBOOTING = 3, + DHCP_STATE_REQUESTING = 4, + DHCP_STATE_BOUND = 5, + DHCP_STATE_RENEWING = 6, + DHCP_STATE_REBINDING = 7, + DHCP_STATE_STOPPED = 8, +}; + +typedef enum DHCPState DHCPState; + +enum { + BOOTREQUEST = 1, + BOOTREPLY = 2, +}; + +enum { + DHCP_DISCOVER = 1, + DHCP_OFFER = 2, + DHCP_REQUEST = 3, + DHCP_DECLINE = 4, + DHCP_ACK = 5, + DHCP_NAK = 6, + DHCP_RELEASE = 7, + DHCP_INFORM = 8, + DHCP_FORCERENEW = 9, +}; + +enum { + DHCP_OVERLOAD_FILE = 1, + DHCP_OVERLOAD_SNAME = 2, +}; + +#define DHCP_MAX_FQDN_LENGTH 255 + +enum { + DHCP_FQDN_FLAG_S = (1 << 0), + DHCP_FQDN_FLAG_O = (1 << 1), + DHCP_FQDN_FLAG_E = (1 << 2), + DHCP_FQDN_FLAG_N = (1 << 3), +}; -- cgit v1.2.3-54-g00ecf