mirror of
https://github.com/rsmarples/dhcpcd.git
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66fd5d67f0
Sadly, it seems that userland cannot send from the unspecified address. This means that for RFC conformancy, we have to rely on the kernel performing DAD.
161 lines
4.8 KiB
C
161 lines
4.8 KiB
C
/*
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* dhcpcd - DHCP client daemon
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* Copyright (c) 2006-2013 Roy Marples <roy@marples.name>
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* All rights reserved
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef IF_OPTIONS_H
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#define IF_OPTIONS_H
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <getopt.h>
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#include <limits.h>
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#include <stdint.h>
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#include "ipv4.h"
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/* Don't set any optional arguments here so we retain POSIX
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* compatibility with getopt */
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#define IF_OPTS "46bc:de:f:gh:i:kl:m:no:pqr:s:t:u:v:wxy:z:ABC:DEF:GHI:JKLO:Q:S:TUVW:X:Z:"
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#define DEFAULT_TIMEOUT 30
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#define DEFAULT_REBOOT 5
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#define HOSTNAME_MAX_LEN 250 /* 255 - 3 (FQDN) - 2 (DNS enc) */
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#define VENDORCLASSID_MAX_LEN 255
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#define CLIENTID_MAX_LEN 48
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#define USERCLASS_MAX_LEN 255
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#define VENDOR_MAX_LEN 255
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#define DHCPCD_ARP (1ULL << 0)
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#define DHCPCD_RELEASE (1ULL << 1)
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#define DHCPCD_DOMAIN (1ULL << 2)
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#define DHCPCD_GATEWAY (1ULL << 3)
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#define DHCPCD_STATIC (1ULL << 4)
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#define DHCPCD_DEBUG (1ULL << 5)
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#define DHCPCD_LASTLEASE (1ULL << 7)
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#define DHCPCD_INFORM (1ULL << 8)
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#define DHCPCD_REQUEST (1ULL << 9)
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#define DHCPCD_IPV4LL (1ULL << 10)
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#define DHCPCD_DUID (1ULL << 11)
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#define DHCPCD_PERSISTENT (1ULL << 12)
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#define DHCPCD_DAEMONISE (1ULL << 14)
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#define DHCPCD_DAEMONISED (1ULL << 15)
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#define DHCPCD_TEST (1ULL << 16)
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#define DHCPCD_MASTER (1ULL << 17)
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#define DHCPCD_HOSTNAME (1ULL << 18)
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#define DHCPCD_CLIENTID (1ULL << 19)
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#define DHCPCD_LINK (1ULL << 20)
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#define DHCPCD_QUIET (1ULL << 21)
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#define DHCPCD_BACKGROUND (1ULL << 22)
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#define DHCPCD_VENDORRAW (1ULL << 23)
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#define DHCPCD_TIMEOUT_IPV4LL (1ULL << 24)
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#define DHCPCD_WAITIP (1ULL << 25)
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#define DHCPCD_WAITUP (1ULL << 26)
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#define DHCPCD_CSR_WARNED (1ULL << 27)
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#define DHCPCD_XID_HWADDR (1ULL << 28)
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#define DHCPCD_BROADCAST (1ULL << 29)
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#define DHCPCD_DUMPLEASE (1ULL << 30)
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#define DHCPCD_IPV6RS (1ULL << 31)
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#define DHCPCD_IPV6RA_REQRDNSS (1ULL << 32)
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#define DHCPCD_IPV6RA_OWN (1ULL << 33)
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#define DHCPCD_IPV6RA_OWN_DEFAULT (1ULL << 34)
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#define DHCPCD_IPV4 (1ULL << 35)
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#define DHCPCD_FORKED (1ULL << 36)
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#define DHCPCD_IPV6 (1ULL << 37)
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#define DHCPCD_STARTED (1ULL << 38)
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#define DHCPCD_NOALIAS (1ULL << 39)
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#define DHCPCD_IA_FORCED (1ULL << 40)
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extern const struct option cf_options[];
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struct if_sla {
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char ifname[IF_NAMESIZE];
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uint8_t sla[16];
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short sla_len;
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};
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struct if_iaid {
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uint8_t iaid[4];
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size_t sla_len;
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struct if_sla *sla;
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};
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struct if_options {
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int metric;
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uint8_t requestmask[256 / 8];
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uint8_t requiremask[256 / 8];
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uint8_t nomask[256 / 8];
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uint8_t requestmask6[(UINT16_MAX + 1) / 8];
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uint8_t requiremask6[(UINT16_MAX + 1) / 8];
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uint8_t nomask6[(UINT16_MAX + 1) / 8];
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uint8_t dstmask[256 / 8];
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uint32_t leasetime;
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time_t timeout;
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time_t reboot;
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unsigned long long options;
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struct in_addr req_addr;
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struct in_addr req_mask;
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struct rt_head *routes;
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char **config;
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char **environ;
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char script[PATH_MAX];
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char hostname[HOSTNAME_MAX_LEN + 1]; /* We don't store the length */
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int fqdn;
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uint8_t vendorclassid[VENDORCLASSID_MAX_LEN + 2];
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char clientid[CLIENTID_MAX_LEN + 2];
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uint8_t userclass[USERCLASS_MAX_LEN + 2];
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uint8_t vendor[VENDOR_MAX_LEN + 2];
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size_t blacklist_len;
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in_addr_t *blacklist;
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size_t whitelist_len;
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in_addr_t *whitelist;
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size_t arping_len;
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in_addr_t *arping;
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char *fallback;
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#ifdef INET6
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uint16_t ia_type;
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size_t iaid_len;
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struct if_iaid *iaid;
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int dadtransmits;
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#endif
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};
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extern unsigned long long options;
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struct if_options *read_config(const char *,
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const char *, const char *, const char *);
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int add_options(struct if_options *, int, char **);
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void free_options(struct if_options *);
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#endif
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