1 /* $NetBSD: if-options.h,v 1.14 2015/09/04 12:25:01 roy Exp $ */ 2 3 /* 4 * dhcpcd - DHCP client daemon 5 * Copyright (c) 2006-2015 Roy Marples <roy@marples.name> 6 * All rights reserved 7 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef IF_OPTIONS_H 31 #define IF_OPTIONS_H 32 33 #include <sys/param.h> 34 #include <sys/socket.h> 35 #include <net/if.h> 36 #include <netinet/in.h> 37 38 #include <getopt.h> 39 #include <limits.h> 40 #include <stdint.h> 41 42 #include "auth.h" 43 44 /* Don't set any optional arguments here so we retain POSIX 45 * compatibility with getopt */ 46 #define IF_OPTS "46bc:de:f:gh:i:j:kl:m:no:pqr:s:t:u:v:wxy:z:" \ 47 "ABC:DEF:GHI:JKLMO:Q:S:TUVW:X:Z:" 48 49 #define DEFAULT_TIMEOUT 30 50 #define DEFAULT_REBOOT 5 51 52 #ifndef HOSTNAME_MAX_LEN 53 #define HOSTNAME_MAX_LEN 250 /* 255 - 3 (FQDN) - 2 (DNS enc) */ 54 #endif 55 #define VENDORCLASSID_MAX_LEN 255 56 #define CLIENTID_MAX_LEN 48 57 #define USERCLASS_MAX_LEN 255 58 #define VENDOR_MAX_LEN 255 59 60 #define DHCPCD_ARP (1ULL << 0) 61 #define DHCPCD_RELEASE (1ULL << 1) 62 #define DHCPCD_DOMAIN (1ULL << 2) 63 #define DHCPCD_GATEWAY (1ULL << 3) 64 #define DHCPCD_STATIC (1ULL << 4) 65 #define DHCPCD_DEBUG (1ULL << 5) 66 #define DHCPCD_LASTLEASE (1ULL << 7) 67 #define DHCPCD_INFORM (1ULL << 8) 68 #define DHCPCD_REQUEST (1ULL << 9) 69 #define DHCPCD_IPV4LL (1ULL << 10) 70 #define DHCPCD_DUID (1ULL << 11) 71 #define DHCPCD_PERSISTENT (1ULL << 12) 72 #define DHCPCD_DAEMONISE (1ULL << 14) 73 #define DHCPCD_DAEMONISED (1ULL << 15) 74 #define DHCPCD_TEST (1ULL << 16) 75 #define DHCPCD_MASTER (1ULL << 17) 76 #define DHCPCD_HOSTNAME (1ULL << 18) 77 #define DHCPCD_CLIENTID (1ULL << 19) 78 #define DHCPCD_LINK (1ULL << 20) 79 #define DHCPCD_QUIET (1ULL << 21) 80 #define DHCPCD_BACKGROUND (1ULL << 22) 81 #define DHCPCD_VENDORRAW (1ULL << 23) 82 #define DHCPCD_NOWAITIP (1ULL << 24) /* To force daemonise */ 83 #define DHCPCD_WAITIP (1ULL << 25) 84 #define DHCPCD_SLAACPRIVATE (1ULL << 26) 85 #define DHCPCD_CSR_WARNED (1ULL << 27) 86 #define DHCPCD_XID_HWADDR (1ULL << 28) 87 #define DHCPCD_BROADCAST (1ULL << 29) 88 #define DHCPCD_DUMPLEASE (1ULL << 30) 89 #define DHCPCD_IPV6RS (1ULL << 31) 90 #define DHCPCD_IPV6RA_REQRDNSS (1ULL << 32) 91 #define DHCPCD_IPV6RA_OWN (1ULL << 33) 92 #define DHCPCD_IPV6RA_OWN_DEFAULT (1ULL << 34) 93 #define DHCPCD_IPV4 (1ULL << 35) 94 #define DHCPCD_FORKED (1ULL << 36) 95 #define DHCPCD_IPV6 (1ULL << 37) 96 #define DHCPCD_STARTED (1ULL << 38) 97 #define DHCPCD_NOALIAS (1ULL << 39) 98 #define DHCPCD_IA_FORCED (1ULL << 40) 99 #define DHCPCD_STOPPING (1ULL << 41) 100 #define DHCPCD_DEPARTED (1ULL << 42) 101 #define DHCPCD_HOSTNAME_SHORT (1ULL << 43) 102 #define DHCPCD_EXITING (1ULL << 44) 103 #define DHCPCD_WAITIP4 (1ULL << 45) 104 #define DHCPCD_WAITIP6 (1ULL << 46) 105 #define DHCPCD_DEV (1ULL << 47) 106 #define DHCPCD_IAID (1ULL << 48) 107 #define DHCPCD_DHCP (1ULL << 49) 108 #define DHCPCD_DHCP6 (1ULL << 50) 109 #define DHCPCD_IF_UP (1ULL << 51) 110 // unassigned (1ULL << 52) 111 // unassinged (1ULL << 53) 112 #define DHCPCD_IPV6RA_AUTOCONF (1ULL << 54) 113 #define DHCPCD_ROUTER_HOST_ROUTE_WARNED (1ULL << 55) 114 #define DHCPCD_IPV6RA_ACCEPT_NOPUBLIC (1ULL << 56) 115 #define DHCPCD_BOOTP (1ULL << 57) 116 #define DHCPCD_INITIAL_DELAY (1ULL << 58) 117 118 #define DHCPCD_NODROP (DHCPCD_EXITING | DHCPCD_PERSISTENT) 119 120 #define DHCPCD_WAITOPTS (DHCPCD_WAITIP | DHCPCD_WAITIP4 | DHCPCD_WAITIP6) 121 122 #define DHCPCD_WARNINGS (DHCPCD_CSR_WARNED | \ 123 DHCPCD_ROUTER_HOST_ROUTE_WARNED) 124 125 extern const struct option cf_options[]; 126 127 struct if_sla { 128 char ifname[IF_NAMESIZE]; 129 uint32_t sla; 130 uint8_t prefix_len; 131 int8_t sla_set; 132 }; 133 134 struct if_ia { 135 uint8_t iaid[4]; 136 #ifdef INET6 137 uint16_t ia_type; 138 uint8_t iaid_set; 139 struct in6_addr addr; 140 uint8_t prefix_len; 141 uint32_t sla_max; 142 size_t sla_len; 143 struct if_sla *sla; 144 #endif 145 }; 146 147 struct vivco { 148 size_t len; 149 uint8_t *data; 150 }; 151 152 struct if_options { 153 time_t mtime; 154 uint8_t iaid[4]; 155 int metric; 156 uint8_t requestmask[256 / NBBY]; 157 uint8_t requiremask[256 / NBBY]; 158 uint8_t nomask[256 / NBBY]; 159 uint8_t rejectmask[256 / NBBY]; 160 uint8_t dstmask[256 / NBBY]; 161 uint8_t requestmasknd[(UINT16_MAX + 1) / NBBY]; 162 uint8_t requiremasknd[(UINT16_MAX + 1) / NBBY]; 163 uint8_t nomasknd[(UINT16_MAX + 1) / NBBY]; 164 uint8_t rejectmasknd[(UINT16_MAX + 1) / NBBY]; 165 uint8_t requestmask6[(UINT16_MAX + 1) / NBBY]; 166 uint8_t requiremask6[(UINT16_MAX + 1) / NBBY]; 167 uint8_t nomask6[(UINT16_MAX + 1) / NBBY]; 168 uint8_t rejectmask6[(UINT16_MAX + 1) / NBBY]; 169 uint32_t leasetime; 170 time_t timeout; 171 time_t reboot; 172 unsigned long long options; 173 174 struct in_addr req_addr; 175 struct in_addr req_mask; 176 struct rt_head *routes; 177 unsigned int mtu; 178 char **config; 179 180 char **environ; 181 char *script; 182 183 char hostname[HOSTNAME_MAX_LEN + 1]; /* We don't store the length */ 184 uint8_t fqdn; 185 uint8_t vendorclassid[VENDORCLASSID_MAX_LEN + 2]; 186 uint8_t clientid[CLIENTID_MAX_LEN + 2]; 187 uint8_t userclass[USERCLASS_MAX_LEN + 2]; 188 uint8_t vendor[VENDOR_MAX_LEN + 2]; 189 190 size_t blacklist_len; 191 in_addr_t *blacklist; 192 size_t whitelist_len; 193 in_addr_t *whitelist; 194 size_t arping_len; 195 in_addr_t *arping; 196 char *fallback; 197 198 struct if_ia *ia; 199 size_t ia_len; 200 201 struct dhcp_opt *dhcp_override; 202 size_t dhcp_override_len; 203 struct dhcp_opt *nd_override; 204 size_t nd_override_len; 205 struct dhcp_opt *dhcp6_override; 206 size_t dhcp6_override_len; 207 uint32_t vivco_en; 208 struct vivco *vivco; 209 size_t vivco_len; 210 struct dhcp_opt *vivso_override; 211 size_t vivso_override_len; 212 213 struct auth auth; 214 }; 215 216 struct if_options *read_config(struct dhcpcd_ctx *, 217 const char *, const char *, const char *); 218 int add_options(struct dhcpcd_ctx *, const char *, 219 struct if_options *, int, char **); 220 void free_dhcp_opt_embenc(struct dhcp_opt *); 221 void free_options(struct if_options *); 222 223 #endif 224