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1 /*
2  * dhcpcd - DHCP client daemon
3  * Copyright 2006-2008 Roy Marples <roy@marples.name>
4  * All rights reserved
5 
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #ifndef DHCPCD_H
29 #define DHCPCD_H
30 
31 #include <sys/param.h>
32 #include <sys/socket.h>
33 
34 #include <net/if.h>
35 #include <netinet/in.h>
36 
37 #include <limits.h>
38 
39 #include "common.h"
40 
41 #define DEFAULT_TIMEOUT		30
42 #define DEFAULT_LEASETIME	3600	/* 1 hour */
43 
44 #define HOSTNAME_MAX_LEN	250	/* 255 - 3 (FQDN) - 2 (DNS enc) */
45 #define VENDORCLASSID_MAX_LEN	48
46 #define CLIENTID_MAX_LEN	48
47 #define USERCLASS_MAX_LEN	255
48 #define VENDOR_MAX_LEN		255
49 
50 #define DHCPCD_ARP		(1 << 0)
51 #define DHCPCD_DOMAIN		(1 << 2)
52 #define DHCPCD_GATEWAY		(1 << 3)
53 #define DHCPCD_LASTLEASE	(1 << 7)
54 #define DHCPCD_INFORM		(1 << 8)
55 #define DHCPCD_REQUEST		(1 << 9)
56 #define DHCPCD_IPV4LL		(1 << 10)
57 #define DHCPCD_DUID		(1 << 11)
58 #define DHCPCD_PERSISTENT	(1 << 12)
59 #define DHCPCD_DAEMONISE	(1 << 14)
60 #define DHCPCD_DAEMONISED	(1 << 15)
61 #define DHCPCD_TEST		(1 << 16)
62 #define DHCPCD_FORKED		(1 << 17)
63 #define DHCPCD_HOSTNAME		(1 << 18)
64 #define DHCPCD_CLIENTID		(1 << 19)
65 #define DHCPCD_LINK		(1 << 20)
66 #define DHCPCD_BACKGROUND	(1 << 21)
67 
68 struct options {
69 	char interface[IF_NAMESIZE];
70 	int metric;
71 	uint8_t requestmask[256 / 8];
72 	uint8_t requiremask[256 / 8];
73 	uint8_t nomask[256 / 8];
74 	uint32_t leasetime;
75 	time_t timeout;
76 	int options;
77 
78 	struct in_addr request_address;
79 	struct in_addr request_netmask;
80 
81 	char **environ;
82 	char script[PATH_MAX];
83 	char pidfile[PATH_MAX];
84 
85 	char hostname[HOSTNAME_MAX_LEN + 1];
86 	int fqdn;
87 	uint8_t vendorclassid[VENDORCLASSID_MAX_LEN + 1];
88 	char clientid[CLIENTID_MAX_LEN + 1];
89 	uint8_t userclass[USERCLASS_MAX_LEN + 1];
90 	uint8_t vendor[VENDOR_MAX_LEN + 1];
91 
92 	size_t blacklist_len;
93 	in_addr_t *blacklist;
94 };
95 #endif
96