/* SPDX-License-Identifier: BSD-2-Clause */ /* * dhcpcd - DHCP client daemon * Copyright (c) 2006-2023 Roy Marples * All rights reserved * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef IF_OPTIONS_H #define IF_OPTIONS_H #include #include #include #include #include #include #include #include "auth.h" #include "route.h" /* Don't set any optional arguments here so we retain POSIX * compatibility with getopt */ #define IF_OPTS "146bc:de:f:gh:i:j:kl:m:no:pqr:s:t:u:v:wxy:z:" \ "ABC:DEF:GHI:JKLMNO:PQ:S:TUVW:X:Z:" #define NOERR_IF_OPTS ":" IF_OPTS #define DEFAULT_TIMEOUT 30 #define DEFAULT_REBOOT 5 #ifndef HOSTNAME_MAX_LEN #define HOSTNAME_MAX_LEN 250 /* 255 - 3 (FQDN) - 2 (DNS enc) */ #endif #define VENDORCLASSID_MAX_LEN 255 #define CLIENTID_MAX_LEN 48 #define USERCLASS_MAX_LEN 255 #define VENDOR_MAX_LEN 255 #define MUDURL_MAX_LEN 255 #define DHCPCD_ARP (1ULL << 0) #define DHCPCD_RELEASE (1ULL << 1) #define DHCPCD_RTBUILD (1ULL << 2) #define DHCPCD_GATEWAY (1ULL << 3) #define DHCPCD_STATIC (1ULL << 4) #define DHCPCD_DEBUG (1ULL << 5) #define DHCPCD_LASTLEASE (1ULL << 7) #define DHCPCD_INFORM (1ULL << 8) #define DHCPCD_REQUEST (1ULL << 9) #define DHCPCD_IPV4LL (1ULL << 10) #define DHCPCD_DUID (1ULL << 11) #define DHCPCD_PERSISTENT (1ULL << 12) #define DHCPCD_DAEMONISE (1ULL << 14) #define DHCPCD_DAEMONISED (1ULL << 15) #define DHCPCD_TEST (1ULL << 16) #define DHCPCD_MANAGER (1ULL << 17) #define DHCPCD_HOSTNAME (1ULL << 18) #define DHCPCD_CLIENTID (1ULL << 19) #define DHCPCD_LINK (1ULL << 20) #define DHCPCD_ANONYMOUS (1ULL << 21) #define DHCPCD_BACKGROUND (1ULL << 22) #define DHCPCD_VENDORRAW (1ULL << 23) #define DHCPCD_NOWAITIP (1ULL << 24) /* To force daemonise */ #define DHCPCD_WAITIP (1ULL << 25) #define DHCPCD_SLAACPRIVATE (1ULL << 26) #define DHCPCD_CSR_WARNED (1ULL << 27) #define DHCPCD_XID_HWADDR (1ULL << 28) #define DHCPCD_BROADCAST (1ULL << 29) #define DHCPCD_DUMPLEASE (1ULL << 30) #define DHCPCD_IPV6RS (1ULL << 31) #define DHCPCD_IPV6RA_REQRDNSS (1ULL << 32) #define DHCPCD_PRIVSEP (1ULL << 33) #define DHCPCD_CONFIGURE (1ULL << 34) #define DHCPCD_IPV4 (1ULL << 35) #define DHCPCD_FORKED (1ULL << 36) #define DHCPCD_IPV6 (1ULL << 37) #define DHCPCD_STARTED (1ULL << 38) #define DHCPCD_NOALIAS (1ULL << 39) #define DHCPCD_IA_FORCED (1ULL << 40) #define DHCPCD_STOPPING (1ULL << 41) #define DHCPCD_LAUNCHER (1ULL << 42) #define DHCPCD_HOSTNAME_SHORT (1ULL << 43) #define DHCPCD_EXITING (1ULL << 44) #define DHCPCD_WAITIP4 (1ULL << 45) #define DHCPCD_WAITIP6 (1ULL << 46) #define DHCPCD_DEV (1ULL << 47) #define DHCPCD_IAID (1ULL << 48) #define DHCPCD_DHCP (1ULL << 49) #define DHCPCD_DHCP6 (1ULL << 50) #define DHCPCD_IF_UP (1ULL << 51) #define DHCPCD_INFORM6 (1ULL << 52) #define DHCPCD_WANTDHCP (1ULL << 53) #define DHCPCD_IPV6RA_AUTOCONF (1ULL << 54) #define DHCPCD_ROUTER_HOST_ROUTE_WARNED (1ULL << 55) #define DHCPCD_LASTLEASE_EXTEND (1ULL << 56) #define DHCPCD_BOOTP (1ULL << 57) #define DHCPCD_INITIAL_DELAY (1ULL << 58) #define DHCPCD_PRINT_PIDFILE (1ULL << 59) #define DHCPCD_ONESHOT (1ULL << 60) #define DHCPCD_INACTIVE (1ULL << 61) #define DHCPCD_SLAACTEMP (1ULL << 62) #define DHCPCD_PRIVSEPROOT (1ULL << 63) #define DHCPCD_NODROP (DHCPCD_EXITING | DHCPCD_PERSISTENT) #define DHCPCD_WAITOPTS (DHCPCD_WAITIP | DHCPCD_WAITIP4 | DHCPCD_WAITIP6) #define DHCPCD_WARNINGS (DHCPCD_CSR_WARNED | \ DHCPCD_ROUTER_HOST_ROUTE_WARNED) /* These options only make sense in the config file, so don't use any valid short options for them */ #define O_BASE MAX('z', 'Z') + 1 #define O_ARPING O_BASE + 1 #define O_FALLBACK O_BASE + 2 #define O_DESTINATION O_BASE + 3 #define O_IPV6RS O_BASE + 4 #define O_NOIPV6RS O_BASE + 5 #define O_IPV6RA_FORK O_BASE + 6 #define O_LINK_RCVBUF O_BASE + 7 #define O_ANONYMOUS O_BASE + 8 #define O_NOALIAS O_BASE + 9 #define O_IA_NA O_BASE + 10 #define O_IA_TA O_BASE + 11 #define O_IA_PD O_BASE + 12 #define O_HOSTNAME_SHORT O_BASE + 13 #define O_DEV O_BASE + 14 #define O_NODEV O_BASE + 15 #define O_NOIPV4 O_BASE + 16 #define O_NOIPV6 O_BASE + 17 #define O_IAID O_BASE + 18 #define O_DEFINE O_BASE + 19 #define O_DEFINE6 O_BASE + 20 #define O_EMBED O_BASE + 21 #define O_ENCAP O_BASE + 22 #define O_VENDOPT O_BASE + 23 #define O_VENDCLASS O_BASE + 24 #define O_AUTHPROTOCOL O_BASE + 25 #define O_AUTHTOKEN O_BASE + 26 #define O_AUTHNOTREQUIRED O_BASE + 27 #define O_NODHCP O_BASE + 28 #define O_NODHCP6 O_BASE + 29 #define O_DHCP O_BASE + 30 #define O_DHCP6 O_BASE + 31 #define O_IPV4 O_BASE + 32 #define O_IPV6 O_BASE + 33 #define O_CONTROLGRP O_BASE + 34 #define O_SLAAC O_BASE + 35 #define O_GATEWAY O_BASE + 36 #define O_NOUP O_BASE + 37 #define O_IPV6RA_AUTOCONF O_BASE + 38 #define O_IPV6RA_NOAUTOCONF O_BASE + 39 #define O_REJECT O_BASE + 40 #define O_BOOTP O_BASE + 42 #define O_DEFINEND O_BASE + 43 #define O_NODELAY O_BASE + 44 #define O_INFORM6 O_BASE + 45 #define O_LASTLEASE_EXTEND O_BASE + 46 #define O_INACTIVE O_BASE + 47 #define O_MUDURL O_BASE + 48 #define O_MSUSERCLASS O_BASE + 49 #define O_CONFIGURE O_BASE + 50 #define O_NOCONFIGURE O_BASE + 51 #define O_RANDOMISE_HWADDR O_BASE + 52 extern const struct option cf_options[]; struct if_sla { char ifname[IF_NAMESIZE]; uint32_t sla; uint8_t prefix_len; uint64_t suffix; bool sla_set; }; struct if_ia { uint8_t iaid[4]; #ifdef INET6 uint16_t ia_type; uint8_t iaid_set; struct in6_addr addr; uint8_t prefix_len; #ifndef SMALL uint32_t sla_max; size_t sla_len; struct if_sla *sla; #endif #endif }; struct vivco { size_t len; uint8_t *data; }; struct if_options { time_t mtime; uint8_t iaid[4]; int metric; uint8_t requestmask[256 / NBBY]; uint8_t requiremask[256 / NBBY]; uint8_t nomask[256 / NBBY]; uint8_t rejectmask[256 / NBBY]; uint8_t dstmask[256 / NBBY]; uint8_t requestmasknd[(UINT16_MAX + 1) / NBBY]; uint8_t requiremasknd[(UINT16_MAX + 1) / NBBY]; uint8_t nomasknd[(UINT16_MAX + 1) / NBBY]; uint8_t rejectmasknd[(UINT16_MAX + 1) / NBBY]; uint8_t requestmask6[(UINT16_MAX + 1) / NBBY]; uint8_t requiremask6[(UINT16_MAX + 1) / NBBY]; uint8_t nomask6[(UINT16_MAX + 1) / NBBY]; uint8_t rejectmask6[(UINT16_MAX + 1) / NBBY]; uint32_t leasetime; uint32_t timeout; uint32_t reboot; unsigned long long options; bool randomise_hwaddr; struct in_addr req_addr; struct in_addr req_mask; struct in_addr req_brd; rb_tree_t routes; struct in6_addr req_addr6; uint8_t req_prefix_len; unsigned int mtu; char **config; char **environ; char hostname[HOSTNAME_MAX_LEN + 1]; /* We don't store the length */ uint8_t fqdn; uint8_t vendorclassid[VENDORCLASSID_MAX_LEN + 2]; uint8_t clientid[CLIENTID_MAX_LEN + 2]; uint8_t userclass[USERCLASS_MAX_LEN + 2]; uint8_t vendor[VENDOR_MAX_LEN + 2]; uint8_t mudurl[MUDURL_MAX_LEN + 2]; size_t blacklist_len; in_addr_t *blacklist; size_t whitelist_len; in_addr_t *whitelist; ssize_t arping_len; in_addr_t *arping; char *fallback; struct if_ia *ia; size_t ia_len; #ifdef INET6 struct in6_addr token; #endif struct dhcp_opt *dhcp_override; size_t dhcp_override_len; struct dhcp_opt *nd_override; size_t nd_override_len; struct dhcp_opt *dhcp6_override; size_t dhcp6_override_len; uint32_t vivco_en; struct vivco *vivco; size_t vivco_len; struct dhcp_opt *vivso_override; size_t vivso_override_len; struct auth auth; }; struct if_options *read_config(struct dhcpcd_ctx *, const char *, const char *, const char *); int add_options(struct dhcpcd_ctx *, const char *, struct if_options *, int, char **); void free_dhcp_opt_embenc(struct dhcp_opt *); void free_options(struct dhcpcd_ctx *, struct if_options *); #endif