1/*
2 * dhcpcd - DHCP client daemon
3 * Copyright (c) 2006-2012 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 IF_OPTIONS_H
29#define IF_OPTIONS_H
30
31#include <sys/socket.h>
32#include <net/if.h>
33#include <netinet/in.h>
34
35#include <getopt.h>
36#include <limits.h>
37
38/* Don't set any optional arguments here so we retain POSIX
39 * compatibility with getopt */
40#define IF_OPTS "abc:de:f:gh:i:kl:m:no:pqr:s:t:u:v:wxy:z:ABC:DEF:GHI:JKLO:Q:S:TUVW:X:Z:"
41
42#define DEFAULT_TIMEOUT		30
43#define DEFAULT_REBOOT		5
44
45#define HOSTNAME_MAX_LEN	250	/* 255 - 3 (FQDN) - 2 (DNS enc) */
46#define VENDORCLASSID_MAX_LEN	255
47#define CLIENTID_MAX_LEN	48
48#define USERCLASS_MAX_LEN	255
49#define VENDOR_MAX_LEN		255
50
51#define DHCPCD_ARP			(1ULL << 0)
52#define DHCPCD_RELEASE			(1ULL << 1)
53#define DHCPCD_DOMAIN			(1ULL << 2)
54#define DHCPCD_GATEWAY			(1ULL << 3)
55#define DHCPCD_STATIC			(1ULL << 4)
56#define DHCPCD_DEBUG			(1ULL << 5)
57#define DHCPCD_LASTLEASE		(1ULL << 7)
58#define DHCPCD_INFORM			(1ULL << 8)
59#define DHCPCD_REQUEST			(1ULL << 9)
60#define DHCPCD_IPV4LL			(1ULL << 10)
61#define DHCPCD_DUID			(1ULL << 11)
62#define DHCPCD_PERSISTENT		(1ULL << 12)
63#define DHCPCD_DAEMONISE		(1ULL << 14)
64#define DHCPCD_DAEMONISED		(1ULL << 15)
65#define DHCPCD_TEST			(1ULL << 16)
66#define DHCPCD_MASTER			(1ULL << 17)
67#define DHCPCD_HOSTNAME			(1ULL << 18)
68#define DHCPCD_CLIENTID			(1ULL << 19)
69#define DHCPCD_LINK			(1ULL << 20)
70#define DHCPCD_QUIET			(1ULL << 21)
71#define DHCPCD_BACKGROUND		(1ULL << 22)
72#define DHCPCD_VENDORRAW		(1ULL << 23)
73#define DHCPCD_TIMEOUT_IPV4LL		(1ULL << 24)
74#define DHCPCD_WAITIP			(1ULL << 25)
75#define DHCPCD_WAITUP			(1ULL << 26)
76#define DHCPCD_CSR_WARNED		(1ULL << 27)
77#define DHCPCD_XID_HWADDR		(1ULL << 28)
78#define DHCPCD_BROADCAST		(1ULL << 29)
79#define DHCPCD_DUMPLEASE		(1ULL << 30)
80#define DHCPCD_IPV6RS			(1ULL << 31)
81#define DHCPCD_IPV6RA_REQRDNSS		(1ULL << 32)
82
83extern const struct option cf_options[];
84
85struct if_options {
86	int metric;
87	uint8_t requestmask[256 / 8];
88	uint8_t requiremask[256 / 8];
89	uint8_t nomask[256 / 8];
90	uint8_t dstmask[256 / 8];
91	uint32_t leasetime;
92	time_t timeout;
93	time_t reboot;
94	unsigned long long options;
95
96	struct in_addr req_addr;
97	struct in_addr req_mask;
98	struct rt *routes;
99	char **config;
100
101	char **environ;
102	char script[PATH_MAX];
103
104	char hostname[HOSTNAME_MAX_LEN + 1]; /* We don't store the length */
105	int fqdn;
106	uint8_t vendorclassid[VENDORCLASSID_MAX_LEN + 2];
107	char clientid[CLIENTID_MAX_LEN + 2];
108	uint8_t userclass[USERCLASS_MAX_LEN + 2];
109	uint8_t vendor[VENDOR_MAX_LEN + 2];
110
111	size_t blacklist_len;
112	in_addr_t *blacklist;
113	size_t whitelist_len;
114	in_addr_t *whitelist;
115	size_t arping_len;
116	in_addr_t *arping;
117	char *fallback;
118};
119
120struct if_options *read_config(const char *,
121    const char *, const char *, const char *);
122int add_options(struct if_options *, int, char **);
123void free_options(struct if_options *);
124
125#endif
126