mirror of
https://github.com/rsmarples/dhcpcd.git
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230 lines
6.9 KiB
C
230 lines
6.9 KiB
C
/*
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* dhcpcd - DHCP client daemon
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* Copyright (c) 2006-2016 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/param.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 "auth.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 "146bc:de:f:gh:i:j:kl:m:no:pqr:s:t:u:v:wxy:z:" \
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"ABC:DEF:GHI:JKLMNO:PQ:S:TUVW:X:Z:"
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#define NOERR_IF_OPTS ":" IF_OPTS
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#define DEFAULT_TIMEOUT 30
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#define DEFAULT_REBOOT 5
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#ifndef HOSTNAME_MAX_LEN
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#define HOSTNAME_MAX_LEN 250 /* 255 - 3 (FQDN) - 2 (DNS enc) */
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#endif
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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_NOWAITIP (1ULL << 24) /* To force daemonise */
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#define DHCPCD_WAITIP (1ULL << 25)
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#define DHCPCD_SLAACPRIVATE (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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#define DHCPCD_STOPPING (1ULL << 41)
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#define DHCPCD_DEPARTED (1ULL << 42)
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#define DHCPCD_HOSTNAME_SHORT (1ULL << 43)
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#define DHCPCD_EXITING (1ULL << 44)
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#define DHCPCD_WAITIP4 (1ULL << 45)
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#define DHCPCD_WAITIP6 (1ULL << 46)
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#define DHCPCD_DEV (1ULL << 47)
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#define DHCPCD_IAID (1ULL << 48)
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#define DHCPCD_DHCP (1ULL << 49)
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#define DHCPCD_DHCP6 (1ULL << 50)
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#define DHCPCD_IF_UP (1ULL << 51)
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#define DHCPCD_INFORM6 (1ULL << 52)
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#define DHCPCD_RTM_PPID (1ULL << 53)
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#define DHCPCD_IPV6RA_AUTOCONF (1ULL << 54)
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#define DHCPCD_ROUTER_HOST_ROUTE_WARNED (1ULL << 55)
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#define DHCPCD_LASTLEASE_EXTEND (1ULL << 56)
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#define DHCPCD_BOOTP (1ULL << 57)
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#define DHCPCD_INITIAL_DELAY (1ULL << 58)
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#define DHCPCD_PRINT_PIDFILE (1ULL << 59)
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#define DHCPCD_ONESHOT (1ULL << 60)
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#define DHCPCD_INACTIVE (1ULL << 61)
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#define DHCPCD_NODROP (DHCPCD_EXITING | DHCPCD_PERSISTENT)
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#define DHCPCD_WAITOPTS (DHCPCD_WAITIP | DHCPCD_WAITIP4 | DHCPCD_WAITIP6)
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#define DHCPCD_WARNINGS (DHCPCD_CSR_WARNED | \
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DHCPCD_ROUTER_HOST_ROUTE_WARNED)
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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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uint32_t sla;
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uint8_t prefix_len;
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uint64_t suffix;
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int8_t sla_set;
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};
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struct if_ia {
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uint8_t iaid[4];
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#ifdef INET6
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uint16_t ia_type;
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uint8_t iaid_set;
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struct in6_addr addr;
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uint8_t prefix_len;
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uint32_t sla_max;
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size_t sla_len;
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struct if_sla *sla;
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#endif
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};
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struct vivco {
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size_t len;
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uint8_t *data;
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};
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struct if_options {
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time_t mtime;
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uint8_t iaid[4];
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int metric;
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uint8_t requestmask[256 / NBBY];
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uint8_t requiremask[256 / NBBY];
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uint8_t nomask[256 / NBBY];
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uint8_t rejectmask[256 / NBBY];
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uint8_t dstmask[256 / NBBY];
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uint8_t requestmasknd[(UINT16_MAX + 1) / NBBY];
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uint8_t requiremasknd[(UINT16_MAX + 1) / NBBY];
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uint8_t nomasknd[(UINT16_MAX + 1) / NBBY];
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uint8_t rejectmasknd[(UINT16_MAX + 1) / NBBY];
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uint8_t requestmask6[(UINT16_MAX + 1) / NBBY];
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uint8_t requiremask6[(UINT16_MAX + 1) / NBBY];
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uint8_t nomask6[(UINT16_MAX + 1) / NBBY];
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uint8_t rejectmask6[(UINT16_MAX + 1) / NBBY];
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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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struct in6_addr req_addr6;
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uint8_t req_prefix_len;
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unsigned int mtu;
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char **config;
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char **environ;
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char *script;
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char hostname[HOSTNAME_MAX_LEN + 1]; /* We don't store the length */
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uint8_t fqdn;
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uint8_t vendorclassid[VENDORCLASSID_MAX_LEN + 2];
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uint8_t 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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struct if_ia *ia;
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size_t ia_len;
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struct dhcp_opt *dhcp_override;
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size_t dhcp_override_len;
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struct dhcp_opt *nd_override;
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size_t nd_override_len;
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struct dhcp_opt *dhcp6_override;
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size_t dhcp6_override_len;
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uint32_t vivco_en;
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struct vivco *vivco;
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size_t vivco_len;
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struct dhcp_opt *vivso_override;
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size_t vivso_override_len;
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struct auth auth;
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};
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struct if_options *default_config(struct dhcpcd_ctx *);
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struct if_options *read_config(struct dhcpcd_ctx *,
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const char *, const char *, const char *);
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int add_options(struct dhcpcd_ctx *, const char *,
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struct if_options *, int, char **);
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void free_dhcp_opt_embenc(struct dhcp_opt *);
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void free_options(struct if_options *);
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#endif
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