1 /* $KAME: rtsold.h,v 1.19 2003/04/16 09:48:15 itojun Exp $ */ 2 3 /* 4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the project nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD$ 32 */ 33 34 struct script_msg { 35 TAILQ_ENTRY(script_msg) sm_next; 36 37 char *sm_msg; 38 }; 39 40 struct ra_opt { 41 TAILQ_ENTRY(ra_opt) rao_next; 42 43 u_int8_t rao_type; 44 struct timeval rao_expire; 45 size_t rao_len; 46 void *rao_msg; 47 }; 48 49 TAILQ_HEAD(rainfo_head, ra_opt); 50 51 struct rainfo { 52 TAILQ_ENTRY(rainfo) rai_next; 53 54 struct ifinfo *rai_ifinfo; 55 struct sockaddr_in6 rai_saddr; 56 TAILQ_HEAD(, ra_opt) rai_ra_opt; 57 }; 58 59 struct ifinfo { 60 TAILQ_ENTRY(ifinfo) ifi_next; /* pointer to the next interface */ 61 62 struct sockaddr_dl *sdl; /* link-layer address */ 63 char ifname[IF_NAMESIZE]; /* interface name */ 64 u_int32_t linkid; /* link ID of this interface */ 65 int active; /* interface status */ 66 int probeinterval; /* interval of probe timer (if necessary) */ 67 int probetimer; /* rest of probe timer */ 68 int mediareqok; /* wheter the IF supports SIOCGIFMEDIA */ 69 int otherconfig; /* need a separate protocol for the "other" 70 * configuration */ 71 int state; 72 int probes; 73 int dadcount; 74 struct timeval timer; 75 struct timeval expire; 76 int errors; /* # of errors we've got - detect wedge */ 77 #define IFI_DNSOPT_STATE_NOINFO 0 78 #define IFI_DNSOPT_STATE_RECEIVED 1 79 int ifi_rdnss; /* RDNSS option state */ 80 int ifi_dnssl; /* DNSSL option state */ 81 82 int racnt; /* total # of valid RAs it have got */ 83 TAILQ_HEAD(, rainfo) ifi_rainfo; 84 85 size_t rs_datalen; 86 u_char *rs_data; 87 }; 88 89 /* per interface status */ 90 #define IFS_IDLE 0 91 #define IFS_DELAY 1 92 #define IFS_PROBE 2 93 #define IFS_DOWN 3 94 #define IFS_TENTATIVE 4 95 96 /* Interface list */ 97 extern TAILQ_HEAD(ifinfo_head_t, ifinfo) ifinfo_head; 98 99 /* 100 * RFC 3542 API deprecates IPV6_PKTINFO in favor of 101 * IPV6_RECVPKTINFO 102 */ 103 #ifndef IPV6_RECVPKTINFO 104 #ifdef IPV6_PKTINFO 105 #define IPV6_RECVPKTINFO IPV6_PKTINFO 106 #endif 107 #endif 108 /* 109 * RFC 3542 API deprecates IPV6_HOPLIMIT in favor of 110 * IPV6_RECVHOPLIMIT 111 */ 112 #ifndef IPV6_RECVHOPLIMIT 113 #ifdef IPV6_HOPLIMIT 114 #define IPV6_RECVHOPLIMIT IPV6_HOPLIMIT 115 #endif 116 #endif 117 118 #ifndef IN6ADDR_LINKLOCAL_ALLROUTERS_INIT 119 #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ 120 {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 121 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}} 122 #endif 123 124 /* rtsold.c */ 125 extern struct timeval tm_max; 126 extern int dflag; 127 extern int aflag; 128 extern int Fflag; 129 extern const char *otherconf_script; 130 extern const char *resolvconf_script; 131 extern int ifconfig(char *); 132 extern void iflist_init(void); 133 struct ifinfo *find_ifinfo(int); 134 struct rainfo *find_rainfo(struct ifinfo *, struct sockaddr_in6 *); 135 void rtsol_timer_update(struct ifinfo *); 136 extern void warnmsg(int, const char *, const char *, ...) 137 __attribute__((__format__(__printf__, 3, 4))); 138 extern char **autoifprobe(void); 139 extern int ra_opt_handler(struct ifinfo *); 140 141 /* if.c */ 142 extern int ifinit(void); 143 extern int interface_up(char *); 144 extern int interface_status(struct ifinfo *); 145 extern int lladdropt_length(struct sockaddr_dl *); 146 extern void lladdropt_fill(struct sockaddr_dl *, struct nd_opt_hdr *); 147 extern struct sockaddr_dl *if_nametosdl(char *); 148 extern int getinet6sysctl(int); 149 extern int setinet6sysctl(int, int); 150 151 /* rtsol.c */ 152 extern int sockopen(void); 153 extern void sendpacket(struct ifinfo *); 154 extern void rtsol_input(int); 155 156 /* probe.c */ 157 extern int probe_init(void); 158 extern void defrouter_probe(struct ifinfo *); 159 160 /* dump.c */ 161 extern void rtsold_dump_file(const char *); 162 extern const char *sec2str(const struct timeval *); 163 164 /* rtsock.c */ 165 extern int rtsock_open(void); 166 extern int rtsock_input(int); 167