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ndp.c (287095) ndp.c (287097)
1/* $FreeBSD: head/usr.sbin/ndp/ndp.c 287095 2015-08-24 05:28:23Z hrs $ */
1/* $FreeBSD: head/usr.sbin/ndp/ndp.c 287097 2015-08-24 05:38:05Z hrs $ */
2/* $KAME: ndp.c,v 1.104 2003/06/27 07:48:39 itojun Exp $ */
3
4/*
5 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
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

--- 106 unchanged lines hidden (view full) ---

116
117static pid_t pid;
118static int nflag;
119static int tflag;
120static int32_t thiszone; /* time difference with gmt */
121static int s = -1;
122static int repeat = 0;
123
2/* $KAME: ndp.c,v 1.104 2003/06/27 07:48:39 itojun Exp $ */
3
4/*
5 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
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

--- 106 unchanged lines hidden (view full) ---

116
117static pid_t pid;
118static int nflag;
119static int tflag;
120static int32_t thiszone; /* time difference with gmt */
121static int s = -1;
122static int repeat = 0;
123
124char ntop_buf[INET6_ADDRSTRLEN]; /* inet_ntop() */
125char host_buf[NI_MAXHOST]; /* getnameinfo() */
126char ifix_buf[IFNAMSIZ]; /* if_indextoname() */
124static char host_buf[NI_MAXHOST]; /* getnameinfo() */
125static char ifix_buf[IFNAMSIZ]; /* if_indextoname() */
127
126
128int main(int, char **);
129static int file(char *);
127static int file(char *);
130void getsocket(void);
131int set(int, char **);
132void get(char *);
133int delete(char *);
134void dump(struct sockaddr_in6 *, int);
128static void getsocket(void);
129static int set(int, char **);
130static void get(char *);
131static int delete(char *);
132static void dump(struct sockaddr_in6 *, int);
135static struct in6_nbrinfo *getnbrinfo(struct in6_addr *, int, int);
136static char *ether_str(struct sockaddr_dl *);
133static struct in6_nbrinfo *getnbrinfo(struct in6_addr *, int, int);
134static char *ether_str(struct sockaddr_dl *);
137int ndp_ether_aton(char *, u_char *);
138void usage(void);
139int rtmsg(int);
140void ifinfo(char *, int, char **);
141void rtrlist(void);
142void plist(void);
143void pfx_flush(void);
144void rtr_flush(void);
145void harmonize_rtr(void);
135static int ndp_ether_aton(char *, u_char *);
136static void usage(void);
137static int rtmsg(int);
138static void ifinfo(char *, int, char **);
139static void rtrlist(void);
140static void plist(void);
141static void pfx_flush(void);
142static void rtr_flush(void);
143static void harmonize_rtr(void);
146#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */
147static void getdefif(void);
148static void setdefif(char *);
149#endif
150static char *sec2str(time_t);
151static void ts_print(const struct timeval *);
152
153static char *rtpref_str[] = {
154 "medium", /* 00 */
155 "high", /* 01 */
156 "rsv", /* 10 */
157 "low" /* 11 */
158};
159
144#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */
145static void getdefif(void);
146static void setdefif(char *);
147#endif
148static char *sec2str(time_t);
149static void ts_print(const struct timeval *);
150
151static char *rtpref_str[] = {
152 "medium", /* 00 */
153 "high", /* 01 */
154 "rsv", /* 10 */
155 "low" /* 11 */
156};
157
160int mode = 0;
161char *arg = NULL;
162
163int
164main(int argc, char **argv)
165{
158int
159main(int argc, char **argv)
160{
166 int ch;
161 int ch, mode = 0;
162 char *arg = NULL;
167
168 pid = getpid();
169 thiszone = gmt2local(0);
170 while ((ch = getopt(argc, argv, "acd:f:Ii:nprstA:HPR")) != -1)
171 switch (ch) {
172 case 'a':
173 case 'c':
174 case 'p':

--- 166 unchanged lines hidden (view full) ---

341 }
342 if (set(i, args))
343 retval = 1;
344 }
345 fclose(fp);
346 return (retval);
347}
348
163
164 pid = getpid();
165 thiszone = gmt2local(0);
166 while ((ch = getopt(argc, argv, "acd:f:Ii:nprstA:HPR")) != -1)
167 switch (ch) {
168 case 'a':
169 case 'c':
170 case 'p':

--- 166 unchanged lines hidden (view full) ---

337 }
338 if (set(i, args))
339 retval = 1;
340 }
341 fclose(fp);
342 return (retval);
343}
344
349void
345static void
350getsocket()
351{
352 if (s < 0) {
353 s = socket(PF_ROUTE, SOCK_RAW, 0);
354 if (s < 0) {
355 err(1, "socket");
356 /* NOTREACHED */
357 }
358 }
359}
360
346getsocket()
347{
348 if (s < 0) {
349 s = socket(PF_ROUTE, SOCK_RAW, 0);
350 if (s < 0) {
351 err(1, "socket");
352 /* NOTREACHED */
353 }
354 }
355}
356
361struct sockaddr_in6 so_mask = {sizeof(so_mask), AF_INET6 };
362struct sockaddr_in6 blank_sin = {sizeof(blank_sin), AF_INET6 }, sin_m;
363struct sockaddr_dl blank_sdl = {sizeof(blank_sdl), AF_LINK }, sdl_m;
364time_t expire_time;
365int flags, found_entry;
366struct {
357static struct sockaddr_in6 so_mask = {
358 .sin6_len = sizeof(so_mask),
359 .sin6_family = AF_INET6
360};
361static struct sockaddr_in6 blank_sin = {
362 .sin6_len = sizeof(blank_sin),
363 .sin6_family = AF_INET6
364};
365static struct sockaddr_in6 sin_m;
366static struct sockaddr_dl blank_sdl = {
367 .sdl_len = sizeof(blank_sdl),
368 .sdl_family = AF_LINK
369};
370static struct sockaddr_dl sdl_m;
371static time_t expire_time;
372static int flags, found_entry;
373static struct {
367 struct rt_msghdr m_rtm;
368 char m_space[512];
374 struct rt_msghdr m_rtm;
375 char m_space[512];
369} m_rtmsg;
376} m_rtmsg;
370
371/*
372 * Set an individual neighbor cache entry
373 */
377
378/*
379 * Set an individual neighbor cache entry
380 */
374int
381static int
375set(int argc, char **argv)
376{
377 register struct sockaddr_in6 *sin = &sin_m;
378 register struct sockaddr_dl *sdl;
379 register struct rt_msghdr *rtm = &(m_rtmsg.m_rtm);
380 struct addrinfo hints, *res;
381 int gai_error;
382 u_char *ea;

--- 58 unchanged lines hidden (view full) ---

441 sdl_m.sdl_type = sdl->sdl_type;
442 sdl_m.sdl_index = sdl->sdl_index;
443 return (rtmsg(RTM_ADD));
444}
445
446/*
447 * Display an individual neighbor cache entry
448 */
382set(int argc, char **argv)
383{
384 register struct sockaddr_in6 *sin = &sin_m;
385 register struct sockaddr_dl *sdl;
386 register struct rt_msghdr *rtm = &(m_rtmsg.m_rtm);
387 struct addrinfo hints, *res;
388 int gai_error;
389 u_char *ea;

--- 58 unchanged lines hidden (view full) ---

448 sdl_m.sdl_type = sdl->sdl_type;
449 sdl_m.sdl_index = sdl->sdl_index;
450 return (rtmsg(RTM_ADD));
451}
452
453/*
454 * Display an individual neighbor cache entry
455 */
449void
456static void
450get(char *host)
451{
452 struct sockaddr_in6 *sin = &sin_m;
453 struct addrinfo hints, *res;
454 int gai_error;
455
456 sin_m = blank_sin;
457 bzero(&hints, sizeof(hints));

--- 15 unchanged lines hidden (view full) ---

473 printf("%s (%s) -- no entry\n", host, host_buf);
474 exit(1);
475 }
476}
477
478/*
479 * Delete a neighbor cache entry
480 */
457get(char *host)
458{
459 struct sockaddr_in6 *sin = &sin_m;
460 struct addrinfo hints, *res;
461 int gai_error;
462
463 sin_m = blank_sin;
464 bzero(&hints, sizeof(hints));

--- 15 unchanged lines hidden (view full) ---

480 printf("%s (%s) -- no entry\n", host, host_buf);
481 exit(1);
482 }
483}
484
485/*
486 * Delete a neighbor cache entry
487 */
481int
488static int
482delete(char *host)
483{
484 struct sockaddr_in6 *sin = &sin_m;
485 register struct rt_msghdr *rtm = &m_rtmsg.m_rtm;
486 register char *cp = m_rtmsg.m_space;
487 struct sockaddr_dl *sdl;
488 struct addrinfo hints, *res;
489 int gai_error;

--- 51 unchanged lines hidden (view full) ---

541
542#define W_ADDR 36
543#define W_LL 17
544#define W_IF 6
545
546/*
547 * Dump the entire neighbor cache
548 */
489delete(char *host)
490{
491 struct sockaddr_in6 *sin = &sin_m;
492 register struct rt_msghdr *rtm = &m_rtmsg.m_rtm;
493 register char *cp = m_rtmsg.m_space;
494 struct sockaddr_dl *sdl;
495 struct addrinfo hints, *res;
496 int gai_error;

--- 51 unchanged lines hidden (view full) ---

548
549#define W_ADDR 36
550#define W_LL 17
551#define W_IF 6
552
553/*
554 * Dump the entire neighbor cache
555 */
549void
556static void
550dump(struct sockaddr_in6 *addr, int cflag)
551{
552 int mib[6];
553 size_t needed;
554 char *lim, *buf, *next;
555 struct rt_msghdr *rtm;
556 struct sockaddr_in6 *sin;
557 struct sockaddr_dl *sdl;

--- 217 unchanged lines hidden (view full) ---

775 close(s);
776 return(&nbi);
777}
778
779static char *
780ether_str(struct sockaddr_dl *sdl)
781{
782 static char hbuf[NI_MAXHOST];
557dump(struct sockaddr_in6 *addr, int cflag)
558{
559 int mib[6];
560 size_t needed;
561 char *lim, *buf, *next;
562 struct rt_msghdr *rtm;
563 struct sockaddr_in6 *sin;
564 struct sockaddr_dl *sdl;

--- 217 unchanged lines hidden (view full) ---

782 close(s);
783 return(&nbi);
784}
785
786static char *
787ether_str(struct sockaddr_dl *sdl)
788{
789 static char hbuf[NI_MAXHOST];
783 char *cp;
784
785 if (sdl->sdl_alen == ETHER_ADDR_LEN) {
786 strlcpy(hbuf, ether_ntoa((struct ether_addr *)LLADDR(sdl)),
787 sizeof(hbuf));
788 } else if (sdl->sdl_alen) {
789 int n = sdl->sdl_nlen > 0 ? sdl->sdl_nlen + 1 : 0;
790 snprintf(hbuf, sizeof(hbuf), "%s", link_ntoa(sdl) + n);
791 } else
792 snprintf(hbuf, sizeof(hbuf), "(incomplete)");
793
794 return(hbuf);
795}
796
790
791 if (sdl->sdl_alen == ETHER_ADDR_LEN) {
792 strlcpy(hbuf, ether_ntoa((struct ether_addr *)LLADDR(sdl)),
793 sizeof(hbuf));
794 } else if (sdl->sdl_alen) {
795 int n = sdl->sdl_nlen > 0 ? sdl->sdl_nlen + 1 : 0;
796 snprintf(hbuf, sizeof(hbuf), "%s", link_ntoa(sdl) + n);
797 } else
798 snprintf(hbuf, sizeof(hbuf), "(incomplete)");
799
800 return(hbuf);
801}
802
797int
803static int
798ndp_ether_aton(char *a, u_char *n)
799{
800 int i, o[6];
801
802 i = sscanf(a, "%x:%x:%x:%x:%x:%x", &o[0], &o[1], &o[2],
803 &o[3], &o[4], &o[5]);
804 if (i != 6) {
805 fprintf(stderr, "ndp: invalid Ethernet address '%s'\n", a);
806 return (1);
807 }
808 for (i = 0; i < 6; i++)
809 n[i] = o[i];
810 return (0);
811}
812
804ndp_ether_aton(char *a, u_char *n)
805{
806 int i, o[6];
807
808 i = sscanf(a, "%x:%x:%x:%x:%x:%x", &o[0], &o[1], &o[2],
809 &o[3], &o[4], &o[5]);
810 if (i != 6) {
811 fprintf(stderr, "ndp: invalid Ethernet address '%s'\n", a);
812 return (1);
813 }
814 for (i = 0; i < 6; i++)
815 n[i] = o[i];
816 return (0);
817}
818
813void
819static void
814usage()
815{
816 printf("usage: ndp [-nt] hostname\n");
817 printf(" ndp [-nt] -a | -c | -p | -r | -H | -P | -R\n");
818 printf(" ndp [-nt] -A wait\n");
819 printf(" ndp [-nt] -d hostname\n");
820 printf(" ndp [-nt] -f filename\n");
821 printf(" ndp [-nt] -i interface [flags...]\n");
822#ifdef SIOCSDEFIFACE_IN6
823 printf(" ndp [-nt] -I [interface|delete]\n");
824#endif
825 printf(" ndp [-nt] -s nodename etheraddr [temp] [proxy]\n");
826 exit(1);
827}
828
820usage()
821{
822 printf("usage: ndp [-nt] hostname\n");
823 printf(" ndp [-nt] -a | -c | -p | -r | -H | -P | -R\n");
824 printf(" ndp [-nt] -A wait\n");
825 printf(" ndp [-nt] -d hostname\n");
826 printf(" ndp [-nt] -f filename\n");
827 printf(" ndp [-nt] -i interface [flags...]\n");
828#ifdef SIOCSDEFIFACE_IN6
829 printf(" ndp [-nt] -I [interface|delete]\n");
830#endif
831 printf(" ndp [-nt] -s nodename etheraddr [temp] [proxy]\n");
832 exit(1);
833}
834
829int
835static int
830rtmsg(int cmd)
831{
832 static int seq;
833 int rlen;
834 register struct rt_msghdr *rtm = &m_rtmsg.m_rtm;
835 register char *cp = m_rtmsg.m_space;
836 register int l;
837

--- 48 unchanged lines hidden (view full) ---

886 l = read(s, (char *)&m_rtmsg, sizeof(m_rtmsg));
887 } while (l > 0 && (rtm->rtm_seq != seq || rtm->rtm_pid != pid));
888 if (l < 0)
889 (void) fprintf(stderr, "ndp: read from routing socket: %s\n",
890 strerror(errno));
891 return (0);
892}
893
836rtmsg(int cmd)
837{
838 static int seq;
839 int rlen;
840 register struct rt_msghdr *rtm = &m_rtmsg.m_rtm;
841 register char *cp = m_rtmsg.m_space;
842 register int l;
843

--- 48 unchanged lines hidden (view full) ---

892 l = read(s, (char *)&m_rtmsg, sizeof(m_rtmsg));
893 } while (l > 0 && (rtm->rtm_seq != seq || rtm->rtm_pid != pid));
894 if (l < 0)
895 (void) fprintf(stderr, "ndp: read from routing socket: %s\n",
896 strerror(errno));
897 return (0);
898}
899
894void
900static void
895ifinfo(char *ifname, int argc, char **argv)
896{
897 struct in6_ndireq nd;
898 int i, s;
899 u_int32_t newflags;
900#ifdef IPV6CTL_USETEMPADDR
901 u_int8_t nullbuf[8];
902#endif

--- 143 unchanged lines hidden (view full) ---

1046
1047 close(s);
1048}
1049
1050#ifndef ND_RA_FLAG_RTPREF_MASK /* XXX: just for compilation on *BSD release */
1051#define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */
1052#endif
1053
901ifinfo(char *ifname, int argc, char **argv)
902{
903 struct in6_ndireq nd;
904 int i, s;
905 u_int32_t newflags;
906#ifdef IPV6CTL_USETEMPADDR
907 u_int8_t nullbuf[8];
908#endif

--- 143 unchanged lines hidden (view full) ---

1052
1053 close(s);
1054}
1055
1056#ifndef ND_RA_FLAG_RTPREF_MASK /* XXX: just for compilation on *BSD release */
1057#define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */
1058#endif
1059
1054void
1060static void
1055rtrlist()
1056{
1057 int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_ND6_DRLIST };
1058 char *buf;
1059 struct in6_defrouter *p, *ep;
1060 size_t l;
1061 struct timeval now;
1062

--- 35 unchanged lines hidden (view full) ---

1098 printf(", expire=Never\n");
1099 else
1100 printf(", expire=%s\n",
1101 sec2str(p->expire - now.tv_sec));
1102 }
1103 free(buf);
1104}
1105
1061rtrlist()
1062{
1063 int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_ND6_DRLIST };
1064 char *buf;
1065 struct in6_defrouter *p, *ep;
1066 size_t l;
1067 struct timeval now;
1068

--- 35 unchanged lines hidden (view full) ---

1104 printf(", expire=Never\n");
1105 else
1106 printf(", expire=%s\n",
1107 sec2str(p->expire - now.tv_sec));
1108 }
1109 free(buf);
1110}
1111
1106void
1112static void
1107plist()
1108{
1109 int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_ND6_PRLIST };
1110 char *buf;
1111 struct in6_prefix *p, *ep, *n;
1112 struct sockaddr_in6 *advrtr;
1113 size_t l;
1114 struct timeval now;

--- 97 unchanged lines hidden (view full) ---

1212 sin6++;
1213 }
1214 } else
1215 printf(" No advertising router\n");
1216 }
1217 free(buf);
1218}
1219
1113plist()
1114{
1115 int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_ND6_PRLIST };
1116 char *buf;
1117 struct in6_prefix *p, *ep, *n;
1118 struct sockaddr_in6 *advrtr;
1119 size_t l;
1120 struct timeval now;

--- 97 unchanged lines hidden (view full) ---

1218 sin6++;
1219 }
1220 } else
1221 printf(" No advertising router\n");
1222 }
1223 free(buf);
1224}
1225
1220void
1226static void
1221pfx_flush()
1222{
1223 char dummyif[IFNAMSIZ+8];
1224 int s;
1225
1226 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
1227 err(1, "socket");
1228 strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */
1229 if (ioctl(s, SIOCSPFXFLUSH_IN6, (caddr_t)&dummyif) < 0)
1230 err(1, "ioctl(SIOCSPFXFLUSH_IN6)");
1231}
1232
1227pfx_flush()
1228{
1229 char dummyif[IFNAMSIZ+8];
1230 int s;
1231
1232 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
1233 err(1, "socket");
1234 strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */
1235 if (ioctl(s, SIOCSPFXFLUSH_IN6, (caddr_t)&dummyif) < 0)
1236 err(1, "ioctl(SIOCSPFXFLUSH_IN6)");
1237}
1238
1233void
1239static void
1234rtr_flush()
1235{
1236 char dummyif[IFNAMSIZ+8];
1237 int s;
1238
1239 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
1240 err(1, "socket");
1241 strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */
1242 if (ioctl(s, SIOCSRTRFLUSH_IN6, (caddr_t)&dummyif) < 0)
1243 err(1, "ioctl(SIOCSRTRFLUSH_IN6)");
1244
1245 close(s);
1246}
1247
1240rtr_flush()
1241{
1242 char dummyif[IFNAMSIZ+8];
1243 int s;
1244
1245 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
1246 err(1, "socket");
1247 strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */
1248 if (ioctl(s, SIOCSRTRFLUSH_IN6, (caddr_t)&dummyif) < 0)
1249 err(1, "ioctl(SIOCSRTRFLUSH_IN6)");
1250
1251 close(s);
1252}
1253
1248void
1254static void
1249harmonize_rtr()
1250{
1251 char dummyif[IFNAMSIZ+8];
1252 int s;
1253
1254 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
1255 err(1, "socket");
1256 strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */

--- 117 unchanged lines hidden --- 		1255harmonize_rtr()
1256{
1257 char dummyif[IFNAMSIZ+8];
1258 int s;
1259
1260 if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
1261 err(1, "socket");
1262 strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */

--- 117 unchanged lines hidden ---