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authorTom Gundersen <teg@jklm.no>2014-01-20 23:40:30 +0100
committerTom Gundersen <teg@jklm.no>2014-01-21 00:04:53 +0100
commitc61be55d23f7603a986dc2937dd7f9aa390ae79c (patch)
treeb18fdee5a24dc1d91cbe78a02bd445bca7983edc /src/libsystemd-dhcp/dhcp-protocol.h
parent5274f05381d460069458d2139a28766c574fb197 (diff)
libsystemd-dhcp: revert merge into libsystemd
Unlike the other merged libs, the rest of libsystemd will never depend on sd-dhcp-client, so there is no reason not to keep it separate.
Diffstat (limited to 'src/libsystemd-dhcp/dhcp-protocol.h')
-rw-r--r--src/libsystemd-dhcp/dhcp-protocol.h120
1 files changed, 120 insertions, 0 deletions
diff --git a/src/libsystemd-dhcp/dhcp-protocol.h b/src/libsystemd-dhcp/dhcp-protocol.h
new file mode 100644
index 0000000000..abdfe8d54b
--- /dev/null
+++ b/src/libsystemd-dhcp/dhcp-protocol.h
@@ -0,0 +1,120 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#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 <http://www.gnu.org/licenses/>.
+***/
+
+#include <netinet/udp.h>
+#include <netinet/ip.h>
+#include <stdint.h>
+
+#include "macro.h"
+#include "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];
+} _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))
+
+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,
+};
+
+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,
+};
+
+enum {
+ DHCP_OVERLOAD_FILE = 1,
+ DHCP_OVERLOAD_SNAME = 2,
+};
+
+enum {
+ DHCP_OPTION_PAD = 0,
+ DHCP_OPTION_SUBNET_MASK = 1,
+ DHCP_OPTION_ROUTER = 3,
+ DHCP_OPTION_DOMAIN_NAME_SERVER = 6,
+ DHCP_OPTION_HOST_NAME = 12,
+ DHCP_OPTION_DOMAIN_NAME = 15,
+ DHCP_OPTION_INTERFACE_MTU = 26,
+ DHCP_OPTION_NTP_SERVER = 42,
+ DHCP_OPTION_REQUESTED_IP_ADDRESS = 50,
+ DHCP_OPTION_IP_ADDRESS_LEASE_TIME = 51,
+ DHCP_OPTION_OVERLOAD = 52,
+ DHCP_OPTION_MESSAGE_TYPE = 53,
+ DHCP_OPTION_SERVER_IDENTIFIER = 54,
+ DHCP_OPTION_PARAMETER_REQUEST_LIST = 55,
+ DHCP_OPTION_MAXIMUM_MESSAGE_SIZE = 57,
+ DHCP_OPTION_RENEWAL_T1_TIME = 58,
+ DHCP_OPTION_REBINDING_T2_TIME = 59,
+ DHCP_OPTION_CLIENT_IDENTIFIER = 61,
+ DHCP_OPTION_END = 255,
+};