diff --git a/distrib/sets/lists/minix-base/mi b/distrib/sets/lists/minix-base/mi index ef2be0888..65054a0e0 100644 --- a/distrib/sets/lists/minix-base/mi +++ b/distrib/sets/lists/minix-base/mi @@ -1119,6 +1119,7 @@ ./usr/sbin/named-compilezone minix-base ./usr/sbin/named-journalprint minix-base ./usr/sbin/named minix-base +./usr/sbin/ndp minix-base inet6 ./usr/sbin/newfs_mfs minix-base ./usr/sbin/nsec3hash minix-base ./usr/sbin/omshell minix-base diff --git a/distrib/sets/lists/minix-debug/mi b/distrib/sets/lists/minix-debug/mi index 465e022aa..9a7b780f7 100644 --- a/distrib/sets/lists/minix-debug/mi +++ b/distrib/sets/lists/minix-debug/mi @@ -648,6 +648,7 @@ ./usr/libdata/debug/usr/sbin/named-checkzone.debug minix-debug debug ./usr/libdata/debug/usr/sbin/named-journalprint.debug minix-debug debug ./usr/libdata/debug/usr/sbin/named.debug minix-debug debug +./usr/libdata/debug/usr/sbin/ndp.debug minix-debug inet6,debug ./usr/libdata/debug/usr/sbin/nsec3hash.debug minix-debug debug ./usr/libdata/debug/usr/sbin/omshell.debug minix-debug debug ./usr/libdata/debug/usr/sbin/pkg_add.debug minix-debug debug diff --git a/distrib/sets/lists/minix-man/mi b/distrib/sets/lists/minix-man/mi index e664a455a..b84810212 100644 --- a/distrib/sets/lists/minix-man/mi +++ b/distrib/sets/lists/minix-man/mi @@ -3523,6 +3523,7 @@ ./usr/man/man8/named-compilezone.8 minix-man ./usr/man/man8/named-journalprint.8 minix-man ./usr/man/man8/named.8 minix-man +./usr/man/man8/ndp.8 minix-man inet6 ./usr/man/man8/netconf.8 minix-man ./usr/man/man8/newfs_ext2fs.8 minix-man ./usr/man/man8/newfs_msdos.8 minix-man diff --git a/usr.sbin/Makefile b/usr.sbin/Makefile index 759cc4ebb..94e557a2f 100644 --- a/usr.sbin/Makefile +++ b/usr.sbin/Makefile @@ -52,7 +52,7 @@ SUBDIR+= mdsetimage .endif .if (${MKINET6} != "no") -SUBDIR+= +SUBDIR+= ndp .endif .if (${USE_INET6} != "no") SUBDIR+= traceroute6 diff --git a/usr.sbin/ndp/Makefile b/usr.sbin/ndp/Makefile new file mode 100644 index 000000000..e56a449b4 --- /dev/null +++ b/usr.sbin/ndp/Makefile @@ -0,0 +1,23 @@ +# $NetBSD: Makefile,v 1.11 2015/09/01 09:54:34 ozaki-r Exp $ + +.include + +USE_FORT?= yes # network client + +TCPDUMP= ${NETBSDSRCDIR}/external/bsd/tcpdump/dist +.PATH: ${TCPDUMP} + +RUMPPRG= ndp +SRCS= ndp.c gmt2local.c +MAN= ndp.8 + +CPPFLAGS+= -DINET6 +CPPFLAGS+= -I. -I${TCPDUMP} + +.PATH: ${.CURDIR}/../../lib/libc/net +RUMPSRCS= getifaddrs.c getnameinfo.c if_indextoname.c if_nametoindex.c +.if (${MKRUMP} != "no") +CPPFLAGS+= -DRUMP_ACTION +.endif + +.include diff --git a/usr.sbin/ndp/ndp.8 b/usr.sbin/ndp/ndp.8 new file mode 100644 index 000000000..3323c025c --- /dev/null +++ b/usr.sbin/ndp/ndp.8 @@ -0,0 +1,280 @@ +.\" $NetBSD: ndp.8,v 1.27 2014/06/05 16:06:49 roy Exp $ +.\" $KAME: ndp.8,v 1.33 2005/10/19 14:57:42 suz Exp $ +.\" +.\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. +.\" 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. +.\" 3. Neither the name of the project nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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. +.\" +.Dd June 5, 2014 +.Dt NDP 8 +.Os +.\" +.Sh NAME +.Nm ndp +.Nd control/diagnose IPv6 neighbor discovery protocol +.\" +.Sh SYNOPSIS +.Nm ndp +.Op Fl nt +.Ar hostname +.Nm ndp +.Op Fl nt +.Fl a | Fl c | Fl p +.Nm ndp +.Op Fl nt +.Fl r +.Nm ndp +.Op Fl nt +.Fl H | Fl P | Fl R +.Nm ndp +.Op Fl nt +.Fl A Ar wait +.Nm ndp +.Op Fl nt +.Fl d Ar hostname +.Nm ndp +.Op Fl nt +.Fl f Ar filename +.Nm ndp +.Op Fl nt +.Fl i +.Ar interface +.Op Ar expressions ... +.Nm ndp +.Op Fl nt +.Fl I Op Ar interface | Li delete +.Nm ndp +.Op Fl nt +.Fl s Ar nodename etheraddr +.Op Li temp +.Op Li proxy +.\" +.Sh DESCRIPTION +The +.Nm +command manipulates the address mapping table +used by the Neighbor Discovery Protocol (NDP). +.Bl -tag -width Ds +.It Fl a +Dump the currently existing NDP entries. +The following information will be printed: +.Bl -tag -width NeighborXX +.It Neighbor +IPv6 address of the neighbor. +.It Linklayer Address +Linklayer address of the neighbor. +It could be +.Dq Li (incomplete) +when the address is not available. +.It Netif +Network interface associated with the neighbor cache entry. +.It Expire +The time until expiry of the entry. +The entry could become +.Dq Li permanent , +in which case it will never expire. +.It S +State of the neighbor cache entry, as a single letter: +.Pp +.Bl -tag -width indent -compact +.It N +Nostate +.It W +Waitdelete +.It I +Incomplete +.It R +Reachable +.It S +Stale +.It D +Delay +.It P +Probe +.It ? +Unknown state (should never happen). +.El +.It Flags +Flags on the neighbor cache entry, in a single letter. +They are: Router, proxy neighbor advertisement +.Pq Dq p . +The field could be followed by a decimal number, +which means the number of NS probes the node has sent during the current state. +.El +.It Fl A Ar wait +Repeat +.Fl a +.Pq dump NDP entries +every +.Ar wait +seconds. +.It Fl c +Erase all the NDP entries. +.It Fl d +Delete specified NDP entry. +.It Fl f +Parse the file specified by +.Ar filename . +.It Fl H +Harmonize consistency between the routing table and the default router +list; install the top entry of the list into the kernel routing table. +.It Fl I +Shows the default interface used as the default route when +there is no default router. +.It Fl I Ar interface +Specifies the default +.Ar interface +to be used when there is no interface specified even though required. +.It Fl I Li delete +The current default interface will be deleted from the kernel. +.It Fl i Ar interface Op Ar expressions ... +View ND information for the specified interface. +If additional arguments +.Ar expressions +are given, +.Nm +sets or clears the flags or variables for the interface as specified in +the expression. +Each expression should be separated by white spaces or tab characters. +Possible expressions are as follows. +Some of the expressions can begin with the +special character +.Ql - , +which means the flag specified in the expression should be cleared. +Note that you need +.Fl - +before +.Fl foo +in this case. +.\" +.Pp +.Bl -tag -width Ds -compact +.It Ic nud +Turn on or off NUD (Neighbor Unreachability Detection) on the +interface. +NUD is usually turned on by default. +.It Ic accept_rtadv +Specify whether or not to accept Router Advertisement messages +received on the +.Ar interface . +Note that the kernel does not accept Router Advertisement messages, +even if the flag +.Ic accept_rtadv +is on, unless either the +.Li net.inet6.ip6.accept_rtadv +variable is non-0, or the flag +.Ic override_rtadv +is on. +This flag is set to 1 by default. +.It Ic auto_linklocal +Specify whether or not to perform automatic link-local address configuration on +.Ar interface . +This flag is set by +.Li net.inet6.ip6.auto_linklocal +sysctl variable. +.It Ic override_rtadv +Specify whether or not to override the +.Li net.inet6.ip6.accept_rtadv +variable. +If the flag is on, then it will suffice to set the flag +.Ic accept_rtadv +to make the kernel accept Router Advertisement messages on the +.Ar interface . +This flag is set to 0 by default. +.It Ic prefer_source +Prefer addresses on the +.Ar interface +as candidates of the source address for outgoing packets. +The default value of this flag is off. +For more details about the entire algorithm of source address +selection, see the +.Pa IMPLEMENTATION +file supplied with the KAME kit. +.It Ic disabled +Disable IPv6 operation on the interface. +When disabled, the interface discards any IPv6 packets +received on or being sent to the interface and any IPv6 addresses +on the interface are marked as +.Dq tentative . +When the disabled flag is cleared, DAD will be performed. +In the sending case, an error of ENETDOWN will be returned to the +application. +This flag is typically set automatically in the kernel as a result of +a certain failure of Duplicate Address Detection. +While the flag can be set or cleared by hand with the +.Nm +command, it is not generally advisable to modify this flag manually. +.It Ic basereachable=(number) +Specify the BaseReachbleTimer on the interface in millisecond. +.It Ic retrans=(number) +Specify the RetransTimer on the interface in millisecond. +.It Ic curhlim=(number) +Specify the Cur Hop Limit on the interface. +.El +.It Fl n +Do not try to resolve numeric addresses to hostnames. +.It Fl p +Show prefix list. +.It Fl P +Flush all the entries in the prefix list. +.It Fl r +Show default router list. +.It Fl R +Flush all the entries in the default router list. +.It Fl s +Register an NDP entry for a node. +The entry will be permanent unless the word +.Li temp +is given in the command. +If the word +.Li proxy +is given, this system will act as a proxy NDP server, +responding to requests for +.Ar hostname +even though the host address is not its own. +.It Fl t +Print timestamp on each entry, +making it possible to merge output with +.Xr tcpdump 8 . +Most useful when used with +.Fl A . +.El +.\" +.Sh RETURN VALUES +The +.Nm +command will exit with 0 on success, and non-zero on errors. +.\" +.Sh SEE ALSO +.Xr arp 8 +.\" +.Sh HISTORY +The +.Nm +command first appeared in the WIDE Hydrangea IPv6 protocol stack kit. +.\" +.\" .Sh BUGS +.\" (to be written) diff --git a/usr.sbin/ndp/ndp.c b/usr.sbin/ndp/ndp.c new file mode 100644 index 000000000..fc1da82b1 --- /dev/null +++ b/usr.sbin/ndp/ndp.c @@ -0,0 +1,1556 @@ +/* $NetBSD: ndp.c,v 1.45 2015/08/03 09:51:40 ozaki-r Exp $ */ +/* $KAME: ndp.c,v 1.121 2005/07/13 11:30:13 keiichi Exp $ */ + +/* + * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project. + * 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. + * 3. Neither the name of the project nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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. + */ +/* + * Copyright (c) 1984, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Sun Microsystems, Inc. + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + */ + +/* + * Based on: + * "@(#) Copyright (c) 1984, 1993\n\ + * The Regents of the University of California. All rights reserved.\n"; + * + * "@(#)arp.c 8.2 (Berkeley) 1/2/94"; + */ + +/* + * ndp - display, set, delete and flush neighbor cache + */ + + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include + +#include +#include +#include + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "gmt2local.h" +#include "prog_ops.h" + +static pid_t pid; +static int nflag; +static int tflag; +static int32_t thiszone; /* time difference with gmt */ +static int my_s = -1; +static unsigned int repeat = 0; + + +static char host_buf[NI_MAXHOST]; /* getnameinfo() */ +static char ifix_buf[IFNAMSIZ]; /* if_indextoname() */ + +static void getsocket(void); +static int set(int, char **); +static void get(char *); +static int delete(char *); +static void dump(struct in6_addr *, int); +static struct in6_nbrinfo *getnbrinfo(struct in6_addr *, unsigned int, int); +static char *ether_str(struct sockaddr_dl *); +static int ndp_ether_aton(char *, u_char *); +__dead static void usage(void); +static int rtmsg(int); +static void ifinfo(char *, int, char **); +static void rtrlist(void); +static void plist(void); +static void pfx_flush(void); +static void rtrlist(void); +static void rtr_flush(void); +static void harmonize_rtr(void); +#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */ +static void getdefif(void); +static void setdefif(char *); +#endif +static const char *sec2str(time_t); +static char *ether_str(struct sockaddr_dl *); +static void ts_print(const struct timeval *); + +#ifdef ICMPV6CTL_ND6_DRLIST +static const char *rtpref_str[] = { + "medium", /* 00 */ + "high", /* 01 */ + "rsv", /* 10 */ + "low" /* 11 */ +}; +#endif + +static int mode = 0; +static char *arg = NULL; + +int +main(int argc, char **argv) +{ + int ch; + + while ((ch = getopt(argc, argv, "acd:f:Ii:nprstA:HPR")) != -1) + switch (ch) { + case 'a': + case 'c': + case 'p': + case 'r': + case 'H': + case 'P': + case 'R': + case 's': + case 'I': + if (mode) { + usage(); + /*NOTREACHED*/ + } + mode = ch; + arg = NULL; + break; + case 'd': + case 'f': + case 'i' : + if (mode) { + usage(); + /*NOTREACHED*/ + } + mode = ch; + arg = optarg; + break; + case 'n': + nflag = 1; + break; + case 't': + tflag = 1; + break; + case 'A': + if (mode) { + usage(); + /*NOTREACHED*/ + } + mode = 'a'; + repeat = atoi(optarg); + break; + default: + usage(); + } + + argc -= optind; + argv += optind; + + if (prog_init && prog_init() == -1) + err(1, "init failed"); + + pid = prog_getpid(); + thiszone = gmt2local(0L); + + switch (mode) { + case 'a': + case 'c': + if (argc != 0) { + usage(); + /*NOTREACHED*/ + } + dump(0, mode == 'c'); + break; + case 'd': + if (argc != 0) { + usage(); + /*NOTREACHED*/ + } + (void)delete(arg); + break; + case 'I': +#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */ + if (argc > 1) { + usage(); + /*NOTREACHED*/ + } else if (argc == 1) { + if (strcmp(*argv, "delete") == 0 || + if_nametoindex(*argv)) + setdefif(*argv); + else + errx(1, "invalid interface %s", *argv); + } + getdefif(); /* always call it to print the result */ + break; +#else + errx(1, "not supported yet"); + /*NOTREACHED*/ +#endif + case 'p': + if (argc != 0) { + usage(); + /*NOTREACHED*/ + } + plist(); + break; + case 'i': + ifinfo(arg, argc, argv); + break; + case 'r': + if (argc != 0) { + usage(); + /*NOTREACHED*/ + } + rtrlist(); + break; + case 's': + if (argc < 2 || argc > 4) + usage(); + return(set(argc, argv) ? 1 : 0); + case 'H': + if (argc != 0) { + usage(); + /*NOTREACHED*/ + } + harmonize_rtr(); + break; + case 'P': + if (argc != 0) { + usage(); + /*NOTREACHED*/ + } + pfx_flush(); + break; + case 'R': + if (argc != 0) { + usage(); + /*NOTREACHED*/ + } + rtr_flush(); + break; + case 0: + if (argc != 1) { + usage(); + /*NOTREACHED*/ + } + get(argv[0]); + break; + } + return(0); +} + +static void +getsocket(void) +{ + if (my_s < 0) { + my_s = prog_socket(PF_ROUTE, SOCK_RAW, 0); + if (my_s < 0) + err(1, "socket"); + } +} + +#ifdef notdef +static struct sockaddr_in6 so_mask = { + .sin6_len = sizeof(so_mask), + .sin6_family = AF_INET6 +}; +#endif +static struct sockaddr_in6 blank_sin = { + .sin6_len = sizeof(blank_sin), + .sin6_family = AF_INET6 +}; +static struct sockaddr_in6 sin_m; +static struct sockaddr_dl blank_sdl = { + .sdl_len = sizeof(blank_sdl), + .sdl_family = AF_LINK, +}; +static struct sockaddr_dl sdl_m; +static int expire_time, flags, found_entry; +static struct { + struct rt_msghdr m_rtm; + char m_space[512]; +} m_rtmsg; + +/* + * Set an individual neighbor cache entry + */ +static int +set(int argc, char **argv) +{ + register struct sockaddr_in6 *mysin = &sin_m; + register struct sockaddr_dl *sdl; + register struct rt_msghdr *rtm = &(m_rtmsg.m_rtm); + struct addrinfo hints, *res; + int gai_error; + u_char *ea; + char *host = argv[0], *eaddr = argv[1]; + + getsocket(); + argc -= 2; + argv += 2; + sdl_m = blank_sdl; + sin_m = blank_sin; + + (void)memset(&hints, 0, sizeof(hints)); + hints.ai_family = AF_INET6; + gai_error = getaddrinfo(host, NULL, &hints, &res); + if (gai_error) { + warnx("%s: %s", host, gai_strerror(gai_error)); + return 1; + } + mysin->sin6_addr = ((struct sockaddr_in6 *)(void *)res->ai_addr)->sin6_addr; + inet6_putscopeid(mysin, INET6_IS_ADDR_LINKLOCAL); + ea = (u_char *)LLADDR(&sdl_m); + if (ndp_ether_aton(eaddr, ea) == 0) + sdl_m.sdl_alen = 6; + flags = expire_time = 0; + while (argc-- > 0) { + if (strncmp(argv[0], "temp", 4) == 0) { + struct timeval tim; + + (void)gettimeofday(&tim, 0); + expire_time = tim.tv_sec + 20 * 60; + } else if (strncmp(argv[0], "proxy", 5) == 0) + flags |= RTF_ANNOUNCE; + argv++; + } + if (rtmsg(RTM_GET) < 0) { + errx(1, "RTM_GET(%s) failed", host); + /* NOTREACHED */ + } + mysin = (struct sockaddr_in6 *)(void *)(rtm + 1); + sdl = (struct sockaddr_dl *)(void *)(RT_ROUNDUP(mysin->sin6_len) + (char *)(void *)mysin); + if (IN6_ARE_ADDR_EQUAL(&mysin->sin6_addr, &sin_m.sin6_addr)) { + if (sdl->sdl_family == AF_LINK && + (rtm->rtm_flags & RTF_LLINFO) && + !(rtm->rtm_flags & RTF_GATEWAY)) { + switch (sdl->sdl_type) { + case IFT_ETHER: case IFT_FDDI: case IFT_ISO88023: + case IFT_ISO88024: case IFT_ISO88025: + goto overwrite; + } + } + /* + * IPv4 arp command retries with sin_other = SIN_PROXY here. + */ + (void)fprintf(stderr, "set: cannot configure a new entry\n"); + return 1; + } + +overwrite: + if (sdl->sdl_family != AF_LINK) { + warnx("cannot intuit interface index and type for %s", host); + return (1); + } + sdl_m.sdl_type = sdl->sdl_type; + sdl_m.sdl_index = sdl->sdl_index; + return (rtmsg(RTM_ADD)); +} + +/* + * Display an individual neighbor cache entry + */ +static void +get(char *host) +{ + struct sockaddr_in6 *mysin = &sin_m; + struct addrinfo hints, *res; + int gai_error; + + sin_m = blank_sin; + (void)memset(&hints, 0, sizeof(hints)); + hints.ai_family = AF_INET6; + gai_error = getaddrinfo(host, NULL, &hints, &res); + if (gai_error) { + warnx("%s: %s", host, gai_strerror(gai_error)); + return; + } + mysin->sin6_addr = ((struct sockaddr_in6 *)(void *)res->ai_addr)->sin6_addr; + inet6_putscopeid(mysin, INET6_IS_ADDR_LINKLOCAL); + dump(&mysin->sin6_addr, 0); + if (found_entry == 0) { + (void)getnameinfo((struct sockaddr *)(void *)mysin, + (socklen_t)mysin->sin6_len, + host_buf, sizeof(host_buf), NULL ,0, + (nflag ? NI_NUMERICHOST : 0)); + errx(1, "%s (%s) -- no entry", host, host_buf); + } +} + +/* + * Delete a neighbor cache entry + */ +static int +delete(char *host) +{ + struct sockaddr_in6 *mysin = &sin_m; + register struct rt_msghdr *rtm = &m_rtmsg.m_rtm; + struct sockaddr_dl *sdl; + struct addrinfo hints, *res; + int gai_error; + + getsocket(); + sin_m = blank_sin; + + bzero(&hints, sizeof(hints)); + hints.ai_family = AF_INET6; + gai_error = getaddrinfo(host, NULL, &hints, &res); + if (gai_error) { + warnx("%s: %s", host, gai_strerror(gai_error)); + return 1; + } + mysin->sin6_addr = ((struct sockaddr_in6 *)(void *)res->ai_addr)->sin6_addr; + inet6_putscopeid(mysin, INET6_IS_ADDR_LINKLOCAL); + if (rtmsg(RTM_GET) < 0) + errx(1, "RTM_GET(%s) failed", host); + mysin = (struct sockaddr_in6 *)(void *)(rtm + 1); + sdl = (struct sockaddr_dl *)(void *)(RT_ROUNDUP(mysin->sin6_len) + + (char *)(void *)mysin); + if (IN6_ARE_ADDR_EQUAL(&mysin->sin6_addr, &sin_m.sin6_addr)) { + if (sdl->sdl_family == AF_LINK && + (rtm->rtm_flags & RTF_LLINFO) && + !(rtm->rtm_flags & RTF_GATEWAY)) { + goto delete; + } + /* + * IPv4 arp command retries with sin_other = SIN_PROXY here. + */ + warnx("delete: cannot delete non-NDP entry"); + return 1; + } + +delete: + if (sdl->sdl_family != AF_LINK) { + (void)printf("cannot locate %s\n", host); + return (1); + } + if (rtmsg(RTM_DELETE) == 0) { + struct sockaddr_in6 s6 = *mysin; /* XXX: for safety */ + + mysin->sin6_scope_id = 0; + inet6_putscopeid(mysin, INET6_IS_ADDR_LINKLOCAL); + (void)getnameinfo((struct sockaddr *)(void *)&s6, + (socklen_t)s6.sin6_len, host_buf, + sizeof(host_buf), NULL, 0, + (nflag ? NI_NUMERICHOST : 0)); + (void)printf("%s (%s) deleted\n", host, host_buf); + } + + return 0; +} + +#define W_ADDR 36 +#define W_LL 17 +#define W_IF 6 + +/* + * Dump the entire neighbor cache + */ +static void +dump(struct in6_addr *addr, int cflag) +{ + int mib[6]; + size_t needed; + char *lim, *buf, *next; + struct rt_msghdr *rtm; + struct sockaddr_in6 *mysin; + struct sockaddr_dl *sdl; + struct in6_nbrinfo *nbi; + struct timeval tim; + int addrwidth; + int llwidth; + int ifwidth; + char flgbuf[8]; + const char *ifname; + + /* Print header */ + if (!tflag && !cflag) + (void)printf("%-*.*s %-*.*s %*.*s %-9.9s %1s %5s\n", + W_ADDR, W_ADDR, "Neighbor", W_LL, W_LL, "Linklayer Address", + W_IF, W_IF, "Netif", "Expire", "S", "Flags"); + +again:; + mib[0] = CTL_NET; + mib[1] = PF_ROUTE; + mib[2] = 0; + mib[3] = AF_INET6; + mib[4] = NET_RT_FLAGS; + mib[5] = RTF_LLINFO; + if (prog_sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) + err(1, "sysctl(PF_ROUTE estimate)"); + if (needed > 0) { + if ((buf = malloc(needed)) == NULL) + err(1, "malloc"); + if (prog_sysctl(mib, 6, buf, &needed, NULL, 0) < 0) + err(1, "sysctl(PF_ROUTE, NET_RT_FLAGS)"); + lim = buf + needed; + } else + buf = lim = NULL; + + for (next = buf; next && next < lim; next += rtm->rtm_msglen) { + int isrouter = 0, prbs = 0; + + rtm = (struct rt_msghdr *)(void *)next; + mysin = (struct sockaddr_in6 *)(void *)(rtm + 1); + sdl = (struct sockaddr_dl *)(void *)((char *)(void *)mysin + RT_ROUNDUP(mysin->sin6_len)); + + /* + * Some OSes can produce a route that has the LINK flag but + * has a non-AF_LINK gateway (e.g. fe80::xx%lo0 on FreeBSD + * and BSD/OS, where xx is not the interface identifier on + * lo0). Such routes entry would annoy getnbrinfo() below, + * so we skip them. + * XXX: such routes should have the GATEWAY flag, not the + * LINK flag. However, there is rotten routing software + * that advertises all routes that have the GATEWAY flag. + * Thus, KAME kernel intentionally does not set the LINK flag. + * What is to be fixed is not ndp, but such routing software + * (and the kernel workaround)... + */ + if (sdl->sdl_family != AF_LINK) + continue; + + if (!(rtm->rtm_flags & RTF_HOST)) + continue; + + if (addr) { + if (!IN6_ARE_ADDR_EQUAL(addr, &mysin->sin6_addr)) + continue; + found_entry = 1; + } else if (IN6_IS_ADDR_MULTICAST(&mysin->sin6_addr)) + continue; + if (IN6_IS_ADDR_LINKLOCAL(&mysin->sin6_addr) || + IN6_IS_ADDR_MC_LINKLOCAL(&mysin->sin6_addr)) { + uint16_t scopeid = mysin->sin6_scope_id; + inet6_getscopeid(mysin, INET6_IS_ADDR_LINKLOCAL| + INET6_IS_ADDR_MC_LINKLOCAL); + if (scopeid == 0) + mysin->sin6_scope_id = sdl->sdl_index; + } + (void)getnameinfo((struct sockaddr *)(void *)mysin, + (socklen_t)mysin->sin6_len, + host_buf, sizeof(host_buf), NULL, 0, + (nflag ? NI_NUMERICHOST : 0)); + if (cflag) { +#ifdef RTF_WASCLONED + if (rtm->rtm_flags & RTF_WASCLONED) + (void)delete(host_buf); +#elif defined(RTF_CLONED) + if (rtm->rtm_flags & RTF_CLONED) + (void)delete(host_buf); +#else + (void)delete(host_buf); +#endif + continue; + } + (void)gettimeofday(&tim, 0); + if (tflag) + ts_print(&tim); + + addrwidth = strlen(host_buf); + if (addrwidth < W_ADDR) + addrwidth = W_ADDR; + llwidth = strlen(ether_str(sdl)); + if (W_ADDR + W_LL - addrwidth > llwidth) + llwidth = W_ADDR + W_LL - addrwidth; + ifname = if_indextoname((unsigned int)sdl->sdl_index, ifix_buf); + if (!ifname) + ifname = "?"; + ifwidth = strlen(ifname); + if (W_ADDR + W_LL + W_IF - addrwidth - llwidth > ifwidth) + ifwidth = W_ADDR + W_LL + W_IF - addrwidth - llwidth; + + (void)printf("%-*.*s %-*.*s %*.*s", addrwidth, addrwidth, + host_buf, llwidth, llwidth, ether_str(sdl), ifwidth, + ifwidth, ifname); + + /* Print neighbor discovery specific informations */ + nbi = getnbrinfo(&mysin->sin6_addr, + (unsigned int)sdl->sdl_index, 1); + if (nbi) { + if (nbi->expire > tim.tv_sec) { + (void)printf(" %-9.9s", + sec2str(nbi->expire - tim.tv_sec)); + } else if (nbi->expire == 0) + (void)printf(" %-9.9s", "permanent"); + else + (void)printf(" %-9.9s", "expired"); + + switch (nbi->state) { + case ND6_LLINFO_NOSTATE: + (void)printf(" N"); + break; +#ifdef ND6_LLINFO_WAITDELETE + case ND6_LLINFO_WAITDELETE: + (void)printf(" W"); + break; +#endif + case ND6_LLINFO_INCOMPLETE: + (void)printf(" I"); + break; + case ND6_LLINFO_REACHABLE: + (void)printf(" R"); + break; + case ND6_LLINFO_STALE: + (void)printf(" S"); + break; + case ND6_LLINFO_DELAY: + (void)printf(" D"); + break; + case ND6_LLINFO_PROBE: + (void)printf(" P"); + break; + default: + (void)printf(" ?"); + break; + } + + isrouter = nbi->isrouter; + prbs = nbi->asked; + } else { + warnx("failed to get neighbor information"); + (void)printf(" "); + } + + /* + * other flags. R: router, P: proxy, W: ?? + */ + if ((rtm->rtm_addrs & RTA_NETMASK) == 0) { + (void)snprintf(flgbuf, sizeof(flgbuf), "%s%s", + isrouter ? "R" : "", + (rtm->rtm_flags & RTF_ANNOUNCE) ? "p" : ""); + } else { + mysin = (struct sockaddr_in6 *)(void *) + (sdl->sdl_len + (char *)(void *)sdl); +#if 0 /* W and P are mystery even for us */ + (void)snprintf(flgbuf, sizeof(flgbuf), "%s%s%s%s", + isrouter ? "R" : "", + !IN6_IS_ADDR_UNSPECIFIED(&sin->sin6_addr) ? "P" : "", + (sin->sin6_len != sizeof(struct sockaddr_in6)) ? "W" : "", + (rtm->rtm_flags & RTF_ANNOUNCE) ? "p" : ""); +#else + (void)snprintf(flgbuf, sizeof(flgbuf), "%s%s", + isrouter ? "R" : "", + (rtm->rtm_flags & RTF_ANNOUNCE) ? "p" : ""); +#endif + } + (void)printf(" %s", flgbuf); + + if (prbs) + (void)printf(" %d", prbs); + + (void)printf("\n"); + } + if (buf != NULL) + free(buf); + + if (repeat) { + (void)printf("\n"); + (void)fflush(stdout); + (void)sleep(repeat); + goto again; + } +} + +static struct in6_nbrinfo * +getnbrinfo(struct in6_addr *addr, unsigned int ifindex, int warning) +{ + static struct in6_nbrinfo nbi; + int s; + + if ((s = prog_socket(AF_INET6, SOCK_DGRAM, 0)) < 0) + err(1, "socket"); + + (void)memset(&nbi, 0, sizeof(nbi)); + (void)if_indextoname(ifindex, nbi.ifname); + nbi.addr = *addr; + if (prog_ioctl(s, SIOCGNBRINFO_IN6, &nbi) < 0) { + if (warning) + warn("ioctl(SIOCGNBRINFO_IN6)"); + (void)prog_close(s); + return(NULL); + } + + (void)prog_close(s); + return(&nbi); +} + +static char * +ether_str(struct sockaddr_dl *sdl) +{ + static char hbuf[NI_MAXHOST]; + + if (sdl->sdl_alen) { + if (getnameinfo((struct sockaddr *)(void *)sdl, + (socklen_t)sdl->sdl_len, + hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) != 0) + (void)snprintf(hbuf, sizeof(hbuf), ""); + } else + (void)snprintf(hbuf, sizeof(hbuf), "(incomplete)"); + + return(hbuf); +} + +static int +ndp_ether_aton(char *a, u_char *n) +{ + int i, o[6]; + + i = sscanf(a, "%x:%x:%x:%x:%x:%x", &o[0], &o[1], &o[2], + &o[3], &o[4], &o[5]); + if (i != 6) { + warnx("invalid Ethernet address '%s'", a); + return (1); + } + for (i = 0; i < 6; i++) + n[i] = o[i]; + return (0); +} + +static void +usage(void) +{ + const char *pn = getprogname(); + + (void)fprintf(stderr, "Usage: %s [-nt] hostname\n", pn); + (void)fprintf(stderr, + " %s [-nt] -a | -c | -p | -r | -H | -P | -R\n", pn); + (void)fprintf(stderr, " %s [-nt] -A wait\n", pn); + (void)fprintf(stderr, " %s [-nt] -d hostname\n", pn); + (void)fprintf(stderr, " %s [-nt] -f filename\n", pn); + (void)fprintf(stderr, " %s [-nt] -i interface [flags...]\n", pn); +#ifdef SIOCSDEFIFACE_IN6 + (void)fprintf(stderr, " %s [-nt] -I [interface|delete]\n", pn); +#endif + (void)fprintf(stderr, + " %s [-nt] -s nodename etheraddr [temp] [proxy]\n", pn); + exit(1); +} + +static int +rtmsg(int cmd) +{ + static int seq; + register struct rt_msghdr *rtm = &m_rtmsg.m_rtm; + register char *cp = m_rtmsg.m_space; + register int l; + + errno = 0; + if (cmd == RTM_DELETE) + goto doit; + (void)memset(&m_rtmsg, 0, sizeof(m_rtmsg)); + rtm->rtm_flags = flags; + rtm->rtm_version = RTM_VERSION; + + switch (cmd) { + default: + errx(1, "internal wrong cmd"); + /*NOTREACHED*/ + case RTM_ADD: + rtm->rtm_addrs |= RTA_GATEWAY; + if (expire_time) { + rtm->rtm_rmx.rmx_expire = expire_time; + rtm->rtm_inits = RTV_EXPIRE; + } + rtm->rtm_flags |= (RTF_HOST | RTF_STATIC); +#ifdef notdef /* we don't support ipv6addr/128 type proxying. */ + if (rtm->rtm_flags & RTF_ANNOUNCE) { + rtm->rtm_flags &= ~RTF_HOST; + rtm->rtm_addrs |= RTA_NETMASK; + } +#endif + /* FALLTHROUGH */ + case RTM_GET: + rtm->rtm_addrs |= RTA_DST; + } +#define NEXTADDR(w, s) \ + if (rtm->rtm_addrs & (w)) { \ + (void)memcpy(cp, &s, sizeof(s)); \ + RT_ADVANCE(cp, (struct sockaddr *)(void *)&s); \ + } + + NEXTADDR(RTA_DST, sin_m); + NEXTADDR(RTA_GATEWAY, sdl_m); +#ifdef notdef /* we don't support ipv6addr/128 type proxying. */ + (void)memset(&so_mask.sin6_addr, 0xff, sizeof(so_mask.sin6_addr)); + NEXTADDR(RTA_NETMASK, so_mask); +#endif + + rtm->rtm_msglen = cp - (char *)(void *)&m_rtmsg; +doit: + l = rtm->rtm_msglen; + rtm->rtm_seq = ++seq; + rtm->rtm_type = cmd; +#ifdef __minix + /* + * Borrow from the future by setting the "this is a link-local request" + * flag on all routing socket requests. IMPORTANT: this change may be + * dropped with the resync to NetBSD 8 as it will do the same thing, + * although slightly differently (and hence may not create a conflict). + */ + rtm->rtm_flags |= RTF_LLDATA; +#endif /* __minix */ + if (prog_write(my_s, &m_rtmsg, (size_t)l) == -1) { + if (errno != ESRCH || cmd != RTM_DELETE) + err(1, "writing to routing socket"); + } + do { + l = prog_read(my_s, &m_rtmsg, sizeof(m_rtmsg)); + } while (l > 0 && (rtm->rtm_seq != seq || rtm->rtm_pid != pid)); + if (l < 0) + warn("read from routing socket"); + return (0); +} + +static void +ifinfo(char *ifname, int argc, char **argv) +{ + struct in6_ndireq nd; + int i, s; + u_int32_t newflags; +#ifdef IPV6CTL_USETEMPADDR + u_int8_t nullbuf[8]; +#endif + + if ((s = prog_socket(AF_INET6, SOCK_DGRAM, 0)) < 0) + err(1, "socket"); + (void)memset(&nd, 0, sizeof(nd)); + (void)strlcpy(nd.ifname, ifname, sizeof(nd.ifname)); + if (prog_ioctl(s, SIOCGIFINFO_IN6, &nd) < 0) + err(1, "ioctl(SIOCGIFINFO_IN6)"); +#define ND nd.ndi + newflags = ND.flags; + for (i = 0; i < argc; i++) { + int clear = 0; + char *cp = argv[i]; + + if (*cp == '-') { + clear = 1; + cp++; + } + +#define SETFLAG(s, f) \ + do {\ + if (strcmp(cp, (s)) == 0) {\ + if (clear)\ + newflags &= ~(f);\ + else\ + newflags |= (f);\ + }\ + } while (/*CONSTCOND*/0) +/* + * XXX: this macro is not 100% correct, in that it matches "nud" against + * "nudbogus". But we just let it go since this is minor. + */ +#define SETVALUE(f, v) \ + do { \ + char *valptr; \ + unsigned long newval; \ + v = 0; /* unspecified */ \ + if (strncmp(cp, f, strlen(f)) == 0) { \ + valptr = strchr(cp, '='); \ + if (valptr == NULL) \ + err(1, "syntax error in %s field", (f)); \ + errno = 0; \ + newval = strtoul(++valptr, NULL, 0); \ + if (errno) \ + err(1, "syntax error in %s's value", (f)); \ + v = newval; \ + } \ + } while (/*CONSTCOND*/0) + +#ifdef ND6_IFF_IFDISABLED + SETFLAG("disabled", ND6_IFF_IFDISABLED); +#endif + SETFLAG("nud", ND6_IFF_PERFORMNUD); +#ifdef ND6_IFF_ACCEPT_RTADV + SETFLAG("accept_rtadv", ND6_IFF_ACCEPT_RTADV); +#endif +#ifdef ND6_IFF_OVERRIDE_RTADV + SETFLAG("override_rtadv", ND6_IFF_OVERRIDE_RTADV); +#endif +#ifdef ND6_IFF_AUTO_LINKLOCAL + SETFLAG("auto_linklocal", ND6_IFF_AUTO_LINKLOCAL); +#endif +#ifdef ND6_IFF_PREFER_SOURCE + SETFLAG("prefer_source", ND6_IFF_PREFER_SOURCE); +#endif +#ifdef ND6_IFF_DONT_SET_IFROUTE + SETFLAG("dont_set_ifroute", ND6_IFF_DONT_SET_IFROUTE); +#endif + SETVALUE("basereachable", ND.basereachable); + SETVALUE("retrans", ND.retrans); + SETVALUE("curhlim", ND.chlim); + + ND.flags = newflags; +#ifdef SIOCSIFINFO_IN6 + if (prog_ioctl(s, SIOCSIFINFO_IN6, &nd) < 0) + err(1, "ioctl(SIOCSIFINFO_IN6)"); +#else + if (prog_ioctl(s, SIOCSIFINFO_FLAGS, &nd) < 0) + err(1, "ioctl(SIOCSIFINFO_FLAGS)"); +#endif +#undef SETFLAG +#undef SETVALUE + } + + if (!ND.initialized) + errx(1, "%s: not initialized yet", ifname); + + if (prog_ioctl(s, SIOCGIFINFO_IN6, &nd) < 0) + err(1, "ioctl(SIOCGIFINFO_IN6)"); + (void)printf("linkmtu=%d", ND.linkmtu); + (void)printf(", maxmtu=%d", ND.maxmtu); + (void)printf(", curhlim=%d", ND.chlim); + (void)printf(", basereachable=%ds%dms", + ND.basereachable / 1000, ND.basereachable % 1000); + (void)printf(", reachable=%ds", ND.reachable); + (void)printf(", retrans=%ds%dms", ND.retrans / 1000, ND.retrans % 1000); +#ifdef IPV6CTL_USETEMPADDR + (void)memset(nullbuf, 0, sizeof(nullbuf)); + if (memcmp(nullbuf, ND.randomid, sizeof(nullbuf)) != 0) { + int j; + u_int8_t *rbuf; + + for (i = 0; i < 3; i++) { + switch (i) { + case 0: + (void)printf("\nRandom seed(0): "); + rbuf = ND.randomseed0; + break; + case 1: + (void)printf("\nRandom seed(1): "); + rbuf = ND.randomseed1; + break; + case 2: + (void)printf("\nRandom ID: "); + rbuf = ND.randomid; + break; + default: + errx(1, "impossible case for tempaddr display"); + } + for (j = 0; j < 8; j++) + (void)printf("%02x", rbuf[j]); + } + } +#endif + if (ND.flags) { + (void)printf("\nFlags: "); + if ((ND.flags & ND6_IFF_PERFORMNUD)) + (void)printf("nud "); +#ifdef ND6_IFF_IFDISABLED + if ((ND.flags & ND6_IFF_IFDISABLED)) + (void)printf("disabled "); +#endif +#ifdef ND6_IFF_ACCEPT_RTADV + if ((ND.flags & ND6_IFF_ACCEPT_RTADV)) + (void)printf("accept_rtadv "); +#endif +#ifdef ND6_IFF_OVERRIDE_RTADV + if ((ND.flags & ND6_IFF_OVERRIDE_RTADV)) + (void)printf("override_rtadv "); +#endif +#ifdef ND6_IFF_AUTO_LINKLOCAL + if ((ND.flags & ND6_IFF_AUTO_LINKLOCAL)) + (void)printf("auto_linklocal "); +#endif +#ifdef ND6_IFF_PREFER_SOURCE + if ((ND.flags & ND6_IFF_PREFER_SOURCE)) + (void)printf("prefer_source "); +#endif + } + (void)putc('\n', stdout); +#undef ND + + (void)prog_close(s); +} + +#ifndef ND_RA_FLAG_RTPREF_MASK /* XXX: just for compilation on *BSD release */ +#define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */ +#endif + +static void +rtrlist(void) +{ +#ifdef ICMPV6CTL_ND6_DRLIST + int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_ND6_DRLIST }; + char *buf; + struct in6_defrouter *p, *ep; + size_t l; + struct timeval tim; + + if (prog_sysctl(mib, sizeof(mib) / sizeof(mib[0]), NULL, &l, NULL, 0) < 0) { + err(1, "sysctl(ICMPV6CTL_ND6_DRLIST)"); + /*NOTREACHED*/ + } + if (l == 0) + return; + buf = malloc(l); + if (!buf) { + err(1, "malloc"); + /*NOTREACHED*/ + } + if (prog_sysctl(mib, sizeof(mib) / sizeof(mib[0]), buf, &l, NULL, 0) < 0) { + err(1, "sysctl(ICMPV6CTL_ND6_DRLIST)"); + /*NOTREACHED*/ + } + + ep = (struct in6_defrouter *)(void *)(buf + l); + for (p = (struct in6_defrouter *)(void *)buf; p < ep; p++) { + int rtpref; + + if (getnameinfo((struct sockaddr *)(void *)&p->rtaddr, + (socklen_t)p->rtaddr.sin6_len, host_buf, sizeof(host_buf), + NULL, 0, (nflag ? NI_NUMERICHOST : 0)) != 0) + (void)strlcpy(host_buf, "?", sizeof(host_buf)); + + (void)printf("%s if=%s", host_buf, + if_indextoname((unsigned int)p->if_index, ifix_buf)); + (void)printf(", flags=%s%s", + p->flags & ND_RA_FLAG_MANAGED ? "M" : "", + p->flags & ND_RA_FLAG_OTHER ? "O" : ""); + rtpref = ((uint32_t)(p->flags & ND_RA_FLAG_RTPREF_MASK) >> 3) & 0xff; + (void)printf(", pref=%s", rtpref_str[rtpref]); + + (void)gettimeofday(&tim, 0); + if (p->expire == 0) + (void)printf(", expire=Never\n"); + else + (void)printf(", expire=%s\n", + sec2str((time_t)(p->expire - tim.tv_sec))); + } + free(buf); +#else + struct in6_drlist dr; + int s, i; + struct timeval time; + + if ((s = prog_socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { + err(1, "socket"); + /* NOTREACHED */ + } + (void)memset(&dr, 0, sizeof(dr)); + (void)strlcpy(dr.ifname, "lo0", sizeof(dr.ifname)); /* dummy */ + if (prog_ioctl(s, SIOCGDRLST_IN6, (caddr_t)&dr) < 0) { + err(1, "ioctl(SIOCGDRLST_IN6)"); + /* NOTREACHED */ + } +#define DR dr.defrouter[i] + for (i = 0 ; DR.if_index && i < DRLSTSIZ ; i++) { + struct sockaddr_in6 sin6; + + (void)memset(&sin6, 0, sizeof(sin6)); + sin6.sin6_family = AF_INET6; + sin6.sin6_len = sizeof(sin6); + sin6.sin6_addr = DR.rtaddr; + (void)getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, + host_buf, sizeof(host_buf), NULL, 0, + (nflag ? NI_NUMERICHOST : 0)); + + (void)printf("%s if=%s", host_buf, + if_indextoname(DR.if_index, ifix_buf)); + (void)printf(", flags=%s%s", + DR.flags & ND_RA_FLAG_MANAGED ? "M" : "", + DR.flags & ND_RA_FLAG_OTHER ? "O" : ""); + gettimeofday(&time, 0); + if (DR.expire == 0) + (void)printf(", expire=Never\n"); + else + (void)printf(", expire=%s\n", + sec2str(DR.expire - time.tv_sec)); + } +#undef DR + (void)prog_close(s); +#endif +} + +static void +plist(void) +{ +#ifdef ICMPV6CTL_ND6_PRLIST + int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_ND6_PRLIST }; + char *buf, *p, *ep; + struct in6_prefix pfx; + size_t l; + struct timeval tim; + const int niflags = NI_NUMERICHOST; + int ninflags = nflag ? NI_NUMERICHOST : 0; + char namebuf[NI_MAXHOST]; + + if (prog_sysctl(mib, sizeof(mib) / sizeof(mib[0]), NULL, &l, NULL, 0) < 0) { + err(1, "sysctl(ICMPV6CTL_ND6_PRLIST)"); + /*NOTREACHED*/ + } + buf = malloc(l); + if (!buf) { + err(1, "malloc"); + /*NOTREACHED*/ + } + if (prog_sysctl(mib, sizeof(mib) / sizeof(mib[0]), buf, &l, NULL, 0) < 0) { + err(1, "sysctl(ICMPV6CTL_ND6_PRLIST)"); + /*NOTREACHED*/ + } + + ep = buf + l; + for (p = buf; p < ep; ) { + memcpy(&pfx, p, sizeof(pfx)); + p += sizeof(pfx); + + if (getnameinfo((struct sockaddr*)&pfx.prefix, + (socklen_t)pfx.prefix.sin6_len, namebuf, sizeof(namebuf), + NULL, 0, niflags) != 0) + (void)strlcpy(namebuf, "?", sizeof(namebuf)); + (void)printf("%s/%d if=%s\n", namebuf, pfx.prefixlen, + if_indextoname((unsigned int)pfx.if_index, ifix_buf)); + + (void)gettimeofday(&tim, 0); + /* + * meaning of fields, especially flags, is very different + * by origin. notify the difference to the users. + */ + (void)printf("flags=%s%s%s%s%s", + pfx.raflags.onlink ? "L" : "", + pfx.raflags.autonomous ? "A" : "", + (pfx.flags & NDPRF_ONLINK) != 0 ? "O" : "", + (pfx.flags & NDPRF_DETACHED) != 0 ? "D" : "", +#ifdef NDPRF_HOME + (pfx.flags & NDPRF_HOME) != 0 ? "H" : "" +#else + "" +#endif + ); + if (pfx.vltime == ND6_INFINITE_LIFETIME) + (void)printf(" vltime=infinity"); + else + (void)printf(" vltime=%lu", (unsigned long)pfx.vltime); + if (pfx.pltime == ND6_INFINITE_LIFETIME) + (void)printf(", pltime=infinity"); + else + (void)printf(", pltime=%lu", (unsigned long)pfx.pltime); + if (pfx.expire == 0) + (void)printf(", expire=Never"); + else if (pfx.expire >= tim.tv_sec) + (void)printf(", expire=%s", + sec2str(pfx.expire - tim.tv_sec)); + else + (void)printf(", expired"); + (void)printf(", ref=%d", pfx.refcnt); + (void)printf("\n"); + /* + * "advertising router" list is meaningful only if the prefix + * information is from RA. + */ + if (pfx.advrtrs) { + int j; + struct sockaddr_in6 sin6; + + (void)printf(" advertised by\n"); + for (j = 0; j < pfx.advrtrs && p <= ep; j++) { + struct in6_nbrinfo *nbi; + + memcpy(&sin6, p, sizeof(sin6)); + p += sizeof(sin6); + + if (getnameinfo((struct sockaddr *)&sin6, + (socklen_t)sin6.sin6_len, namebuf, + sizeof(namebuf), NULL, 0, ninflags) != 0) + (void)strlcpy(namebuf, "?", sizeof(namebuf)); + (void)printf(" %s", namebuf); + + nbi = getnbrinfo(&sin6.sin6_addr, + (unsigned int)pfx.if_index, 0); + if (nbi) { + switch (nbi->state) { + case ND6_LLINFO_REACHABLE: + case ND6_LLINFO_STALE: + case ND6_LLINFO_DELAY: + case ND6_LLINFO_PROBE: + (void)printf(" (reachable)\n"); + break; + default: + (void)printf(" (unreachable)\n"); + } + } else + (void)printf(" (no neighbor state)\n"); + } + } else + (void)printf(" No advertising router\n"); + } + free(buf); +#else + struct in6_prlist pr; + int s, i; + struct timeval time; + + (void)gettimeofday(&time, 0); + + if ((s = prog_socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { + err(1, "socket"); + /* NOTREACHED */ + } + (void)memset(&pr, 0, sizeof(pr)); + (void)strlcpy(pr.ifname, "lo0", sizeof(pr.ifname)); /* dummy */ + if (prog_ioctl(s, SIOCGPRLST_IN6, (caddr_t)&pr) < 0) { + err(1, "ioctl(SIOCGPRLST_IN6)"); + /* NOTREACHED */ + } +#define PR pr.prefix[i] + for (i = 0; PR.if_index && i < PRLSTSIZ ; i++) { + struct sockaddr_in6 p6; + char namebuf[NI_MAXHOST]; + int niflags; + +#ifdef NDPRF_ONLINK + p6 = PR.prefix; +#else + (void)memset(&p6, 0, sizeof(p6)); + p6.sin6_family = AF_INET6; + p6.sin6_len = sizeof(p6); + p6.sin6_addr = PR.prefix; +#endif + + niflags = NI_NUMERICHOST; + if (getnameinfo((struct sockaddr *)&p6, + sizeof(p6), namebuf, sizeof(namebuf), + NULL, 0, niflags)) { + warnx("getnameinfo failed"); + continue; + } + (void)printf("%s/%d if=%s\n", namebuf, PR.prefixlen, + if_indextoname(PR.if_index, ifix_buf)); + + (void)gettimeofday(&time, 0); + /* + * meaning of fields, especially flags, is very different + * by origin. notify the difference to the users. + */ +#if 0 + (void)printf(" %s", + PR.origin == PR_ORIG_RA ? "" : "advertise: "); +#endif +#ifdef NDPRF_ONLINK + (void)printf("flags=%s%s%s%s%s", + PR.raflags.onlink ? "L" : "", + PR.raflags.autonomous ? "A" : "", + (PR.flags & NDPRF_ONLINK) != 0 ? "O" : "", + (PR.flags & NDPRF_DETACHED) != 0 ? "D" : "", +#ifdef NDPRF_HOME + (PR.flags & NDPRF_HOME) != 0 ? "H" : "" +#else + "" +#endif + ); +#else + (void)printf("flags=%s%s", + PR.raflags.onlink ? "L" : "", + PR.raflags.autonomous ? "A" : ""); +#endif + if (PR.vltime == ND6_INFINITE_LIFETIME) + (void)printf(" vltime=infinity"); + else + (void)printf(" vltime=%lu", PR.vltime); + if (PR.pltime == ND6_INFINITE_LIFETIME) + (void)printf(", pltime=infinity"); + else + (void)printf(", pltime=%lu", PR.pltime); + if (PR.expire == 0) + (void)printf(", expire=Never"); + else if (PR.expire >= time.tv_sec) + (void)printf(", expire=%s", + sec2str(PR.expire - time.tv_sec)); + else + (void)printf(", expired"); +#ifdef NDPRF_ONLINK + (void)printf(", ref=%d", PR.refcnt); +#endif +#if 0 + switch (PR.origin) { + case PR_ORIG_RA: + (void)printf(", origin=RA"); + break; + case PR_ORIG_RR: + (void)printf(", origin=RR"); + break; + case PR_ORIG_STATIC: + (void)printf(", origin=static"); + break; + case PR_ORIG_KERNEL: + (void)printf(", origin=kernel"); + break; + default: + (void)printf(", origin=?"); + break; + } +#endif + (void)printf("\n"); + /* + * "advertising router" list is meaningful only if the prefix + * information is from RA. + */ + if (0 && /* prefix origin is almost obsolted */ + PR.origin != PR_ORIG_RA) + ; + else if (PR.advrtrs) { + int j; + (void)printf(" advertised by\n"); + for (j = 0; j < PR.advrtrs; j++) { + struct sockaddr_in6 sin6; + struct in6_nbrinfo *nbi; + + bzero(&sin6, sizeof(sin6)); + sin6.sin6_family = AF_INET6; + sin6.sin6_len = sizeof(sin6); + sin6.sin6_addr = PR.advrtr[j]; + sin6.sin6_scope_id = PR.if_index; /* XXX */ + (void)getnameinfo((struct sockaddr *)&sin6, + sin6.sin6_len, host_buf, + sizeof(host_buf), NULL, 0, + (nflag ? NI_NUMERICHOST : 0)); + (void)printf(" %s", host_buf); + + nbi = getnbrinfo(&sin6.sin6_addr, + PR.if_index, 0); + if (nbi) { + switch (nbi->state) { + case ND6_LLINFO_REACHABLE: + case ND6_LLINFO_STALE: + case ND6_LLINFO_DELAY: + case ND6_LLINFO_PROBE: + (void)printf(" (reachable)\n"); + break; + default: + (void)printf(" (unreachable)\n"); + } + } else + (void)printf(" (no neighbor state)\n"); + } + if (PR.advrtrs > DRLSTSIZ) + (void)printf(" and %d routers\n", + PR.advrtrs - DRLSTSIZ); + } else + (void)printf(" No advertising router\n"); + } +#undef PR + (void)prog_close(s); +#endif +} + +static void +pfx_flush(void) +{ + char dummyif[IFNAMSIZ+8]; + int s; + + if ((s = prog_socket(AF_INET6, SOCK_DGRAM, 0)) < 0) + err(1, "socket"); + (void)strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */ + if (prog_ioctl(s, SIOCSPFXFLUSH_IN6, (caddr_t)&dummyif) < 0) + err(1, "ioctl(SIOCSPFXFLUSH_IN6)"); + (void)prog_close(s); +} + +static void +rtr_flush(void) +{ + char dummyif[IFNAMSIZ+8]; + int s; + + if ((s = prog_socket(AF_INET6, SOCK_DGRAM, 0)) < 0) + err(1, "socket"); + (void)strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */ + if (prog_ioctl(s, SIOCSRTRFLUSH_IN6, (caddr_t)&dummyif) < 0) + err(1, "ioctl(SIOCSRTRFLUSH_IN6)"); + + (void)prog_close(s); +} + +static void +harmonize_rtr(void) +{ + char dummyif[IFNAMSIZ+8]; + int s; + + if ((s = prog_socket(AF_INET6, SOCK_DGRAM, 0)) < 0) + err(1, "socket"); + (void)strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */ + if (prog_ioctl(s, SIOCSNDFLUSH_IN6, (caddr_t)&dummyif) < 0) + err(1, "ioctl(SIOCSNDFLUSH_IN6)"); + + (void)prog_close(s); +} + +#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */ +static void +setdefif(char *ifname) +{ + struct in6_ndifreq ndifreq; + unsigned int ifindex; + int s; + + if (strcasecmp(ifname, "delete") == 0) + ifindex = 0; + else { + if ((ifindex = if_nametoindex(ifname)) == 0) + err(1, "failed to resolve i/f index for %s", ifname); + } + + if ((s = prog_socket(AF_INET6, SOCK_DGRAM, 0)) < 0) + err(1, "socket"); + + (void)strlcpy(ndifreq.ifname, "lo0", sizeof(ndifreq.ifname)); /* dummy */ + ndifreq.ifindex = ifindex; + + if (prog_ioctl(s, SIOCSDEFIFACE_IN6, &ndifreq) < 0) + err(1, "ioctl(SIOCSDEFIFACE_IN6)"); + + (void)prog_close(s); +} + +static void +getdefif(void) +{ + struct in6_ndifreq ndifreq; + char ifname[IFNAMSIZ+8]; + int s; + + if ((s = prog_socket(AF_INET6, SOCK_DGRAM, 0)) < 0) + err(1, "socket"); + + (void)memset(&ndifreq, 0, sizeof(ndifreq)); + (void)strlcpy(ndifreq.ifname, "lo0", sizeof(ndifreq.ifname)); /* dummy */ + + if (prog_ioctl(s, SIOCGDEFIFACE_IN6, &ndifreq) < 0) + err(1, "ioctl(SIOCGDEFIFACE_IN6)"); + + if (ndifreq.ifindex == 0) + (void)printf("No default interface.\n"); + else { + if ((if_indextoname((unsigned int)ndifreq.ifindex, ifname)) == NULL) + err(1, "failed to resolve ifname for index %lu", + ndifreq.ifindex); + (void)printf("ND default interface = %s\n", ifname); + } + + (void)prog_close(s); +} +#endif + +static const char * +sec2str(time_t total) +{ + static char result[256]; + int days, hours, mins, secs; + int first = 1; + char *p = result; + char *ep = &result[sizeof(result)]; + int n; + + days = total / 3600 / 24; + hours = (total / 3600) % 24; + mins = (total / 60) % 60; + secs = total % 60; + + if (days) { + first = 0; + n = snprintf(p, (size_t)(ep - p), "%dd", days); + if (n < 0 || n >= ep - p) + return "?"; + p += n; + } + if (!first || hours) { + first = 0; + n = snprintf(p, (size_t)(ep - p), "%dh", hours); + if (n < 0 || n >= ep - p) + return "?"; + p += n; + } + if (!first || mins) { + first = 0; + n = snprintf(p, (size_t)(ep - p), "%dm", mins); + if (n < 0 || n >= ep - p) + return "?"; + p += n; + } + (void)snprintf(p, (size_t)(ep - p), "%ds", secs); + + return(result); +} + +/* + * Print the timestamp + * from tcpdump/util.c + */ +static void +ts_print(const struct timeval *tvp) +{ + int s; + + /* Default */ + s = (tvp->tv_sec + thiszone) % 86400; + (void)printf("%02d:%02d:%02d.%06u ", + s / 3600, (s % 3600) / 60, s % 60, (u_int32_t)tvp->tv_usec); +} diff --git a/usr.sbin/ndp/ndp_hostops.c b/usr.sbin/ndp/ndp_hostops.c new file mode 100644 index 000000000..b7c831580 --- /dev/null +++ b/usr.sbin/ndp/ndp_hostops.c @@ -0,0 +1,55 @@ +/* $NetBSD: ndp_hostops.c,v 1.1 2015/08/03 09:51:40 ozaki-r Exp $ */ + +/* + * Copyright (c) 2015 The NetBSD Foundation, Inc. + * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + */ + +#include +#ifndef lint +__RCSID("$NetBSD: ndp_hostops.c,v 1.1 2015/08/03 09:51:40 ozaki-r Exp $"); +#endif /* !lint */ + +#include +#include +#include +#include + +#include +#include + +#include "prog_ops.h" + +const struct prog_ops prog_ops = { + .op_socket = socket, + .op_open = open, + .op_close = close, + .op_getpid = getpid, + + .op_read = read, + .op_write = write, + + .op_sysctl = sysctl, + .op_ioctl = ioctl, +}; diff --git a/usr.sbin/ndp/ndp_rumpops.c b/usr.sbin/ndp/ndp_rumpops.c new file mode 100644 index 000000000..c91013d15 --- /dev/null +++ b/usr.sbin/ndp/ndp_rumpops.c @@ -0,0 +1,59 @@ +/* $NetBSD: ndp_rumpops.c,v 1.1 2015/08/03 09:51:40 ozaki-r Exp $ */ + +/* + * Copyright (c) 2015 The NetBSD Foundation, Inc. + * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + */ + +#include +#ifndef lint +__RCSID("$NetBSD: ndp_rumpops.c,v 1.1 2015/08/03 09:51:40 ozaki-r Exp $"); +#endif /* !lint */ + +#include +#include +#include + +#include + +#include +#include +#include + +#include "prog_ops.h" + +const struct prog_ops prog_ops = { + .op_init = rumpclient_init, + + .op_socket = rump_sys_socket, + .op_open = rump_sys_open, + .op_close = rump_sys_close, + .op_getpid = rump_sys_getpid, + + .op_read = rump_sys_read, + .op_write = rump_sys_write, + + .op_sysctl = rump_sys___sysctl, + .op_ioctl = rump_sys_ioctl, +}; diff --git a/usr.sbin/ndp/prog_ops.h b/usr.sbin/ndp/prog_ops.h new file mode 100644 index 000000000..e0cd5cbb0 --- /dev/null +++ b/usr.sbin/ndp/prog_ops.h @@ -0,0 +1,74 @@ +/* $NetBSD: prog_ops.h,v 1.1 2015/08/03 09:51:40 ozaki-r Exp $ */ + +/* + * Copyright (c) 2015 The NetBSD Foundation, Inc. + * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 _PROG_OPS_H_ +#define _PROG_OPS_H_ + +#include + +#ifndef CRUNCHOPS +/* XXX: Keep same order with netstat! */ +struct prog_ops { + int (*op_init)(void); + + int (*op_sysctl)(const int *, u_int, void *, size_t *, + const void *, size_t); + int (*op_ioctl)(int, unsigned long, ...); + + int (*op_socket)(int, int, int); + int (*op_open)(const char *, int, ...); + int (*op_close)(int); + pid_t (*op_getpid)(void); + + ssize_t (*op_read)(int, void *, size_t); + ssize_t (*op_write)(int, const void *, size_t); +}; +extern const struct prog_ops prog_ops; + +#define prog_init prog_ops.op_init +#define prog_socket prog_ops.op_socket +#define prog_open prog_ops.op_open +#define prog_close prog_ops.op_close +#define prog_getpid prog_ops.op_getpid +#define prog_read prog_ops.op_read +#define prog_write prog_ops.op_write +#define prog_sysctl prog_ops.op_sysctl +#define prog_ioctl prog_ops.op_ioctl +#else +#define prog_init ((int (*)(void))NULL) +#define prog_socket socket +#define prog_open open +#define prog_close close +#define prog_getpid getpid +#define prog_read read +#define prog_write write +#define prog_sysctl sysctl +#define prog_ioctl ioctl +#endif + +#endif /* _PROG_OPS_H_ */