2 * Copyright (c) 2001 Brian Somers <brian@Awfulhak.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/types.h>
30 #include <sys/socket.h>
32 #include <net/if_types.h>
33 #include <net/route.h>
35 #include <netinet/in.h>
36 #include <netinet/in_systm.h>
37 #include <netinet/ip.h>
38 #include <arpa/inet.h>
52 #include "slcompress.h"
54 #include "throughput.h"
57 #include "descriptor.h"
69 #define ncprange_ip4addr u.ip4.ipaddr
70 #define ncprange_ip4mask u.ip4.mask
71 #define ncprange_ip4width u.ip4.width
72 #define ncpaddr_ip4addr u.ip4addr
74 #define ncprange_ip6addr u.ip6.ipaddr
75 #define ncprange_ip6width u.ip6.width
76 #define ncpaddr_ip6addr u.ip6addr
79 #define NCP_ASCIIBUFFERSIZE 52
84 struct in_addr result;
85 u_int32_t bit = 0x80000000;
95 result.s_addr = htonl(result.s_addr);
100 mask42bits(struct in_addr mask)
102 u_int32_t msk = ntohl(mask.s_addr);
106 for (ret = 32, tst = 1; tst; ret--, tst <<= 1)
110 for (tst <<= 1; tst; tst <<= 1)
114 return tst ? -1 : ret;
118 static struct in6_addr
121 struct in6_addr result;
122 u_int32_t bit = 0x80;
123 u_char *c = result.s6_addr;
125 memset(&result, '\0', sizeof result);
141 mask62bits(const struct in6_addr *mask)
143 const u_char masks[] = { 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe };
144 const u_char *c, *p, *end;
147 p = (const u_char *)mask;
148 for (masklen = 0, end = p + 16; p < end && *p == 0xff; p++)
152 for (c = masks, m = 0; c < masks + sizeof masks; c++, m++)
164 adjust_linklocal(struct sockaddr_in6 *sin6)
166 /* XXX: ?????!?!?!!!!! This is horrible ! */
168 * The kernel does not understand sin6_scope_id for routing at this moment.
169 * We should rather keep the embedded ID.
170 * jinmei@kame.net, 20011026
172 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) ||
173 IN6_IS_ADDR_MC_LINKLOCAL(&sin6->sin6_addr)) {
174 sin6->sin6_scope_id =
175 ntohs(*(u_short *)&sin6->sin6_addr.s6_addr[2]);
176 *(u_short *)&sin6->sin6_addr.s6_addr[2] = 0;
183 ncpaddr_init(struct ncpaddr *addr)
185 addr->ncpaddr_family = AF_UNSPEC;
189 ncpaddr_isset(const struct ncpaddr *addr)
191 return addr->ncpaddr_family != AF_UNSPEC;
195 ncpaddr_isdefault(const struct ncpaddr *addr)
197 switch (addr->ncpaddr_family) {
199 if (addr->ncpaddr_ip4addr.s_addr == INADDR_ANY)
205 if (IN6_IS_ADDR_UNSPECIFIED(&addr->ncpaddr_ip6addr))
215 ncpaddr_equal(const struct ncpaddr *addr, const struct ncpaddr *cmp)
217 if (addr->ncpaddr_family != cmp->ncpaddr_family)
220 switch (addr->ncpaddr_family) {
222 return addr->ncpaddr_ip4addr.s_addr == cmp->ncpaddr_ip4addr.s_addr;
226 return !memcmp(&addr->ncpaddr_ip6addr, &cmp->ncpaddr_ip6addr,
227 sizeof addr->ncpaddr_ip6addr);
238 ncpaddr_copy(struct ncpaddr *addr, const struct ncpaddr *from)
240 switch (from->ncpaddr_family) {
242 addr->ncpaddr_family = AF_INET;
243 addr->ncpaddr_ip4addr = from->ncpaddr_ip4addr;
247 addr->ncpaddr_family = AF_INET6;
248 addr->ncpaddr_ip6addr = from->ncpaddr_ip6addr;
252 addr->ncpaddr_family = AF_UNSPEC;
257 ncpaddr_setip4addr(struct ncpaddr *addr, u_int32_t ip)
259 addr->ncpaddr_family = AF_INET;
260 addr->ncpaddr_ip4addr.s_addr = ip;
264 ncpaddr_getip4addr(const struct ncpaddr *addr, u_int32_t *ip)
266 if (addr->ncpaddr_family != AF_INET)
268 *ip = addr->ncpaddr_ip4addr.s_addr;
273 ncpaddr_setip4(struct ncpaddr *addr, struct in_addr ip)
275 addr->ncpaddr_family = AF_INET;
276 addr->ncpaddr_ip4addr = ip;
280 ncpaddr_getip4(const struct ncpaddr *addr, struct in_addr *ip)
282 if (addr->ncpaddr_family != AF_INET)
284 *ip = addr->ncpaddr_ip4addr;
290 ncpaddr_setip6(struct ncpaddr *addr, const struct in6_addr *ip6)
292 addr->ncpaddr_family = AF_INET6;
293 addr->ncpaddr_ip6addr = *ip6;
297 ncpaddr_getip6(const struct ncpaddr *addr, struct in6_addr *ip6)
299 if (addr->ncpaddr_family != AF_INET6)
301 *ip6 = addr->ncpaddr_ip6addr;
307 ncpaddr_getsa(const struct ncpaddr *addr, struct sockaddr_storage *host)
309 struct sockaddr_in *host4 = (struct sockaddr_in *)host;
311 struct sockaddr_in6 *host6 = (struct sockaddr_in6 *)host;
314 memset(host, '\0', sizeof(*host));
316 switch (addr->ncpaddr_family) {
318 host4->sin_family = AF_INET;
319 host4->sin_len = sizeof(*host4);
320 host4->sin_addr = addr->ncpaddr_ip4addr;
325 host6->sin6_family = AF_INET6;
326 host6->sin6_len = sizeof(*host6);
327 host6->sin6_addr = addr->ncpaddr_ip6addr;
332 host->ss_family = AF_UNSPEC;
338 ncpaddr_setsa(struct ncpaddr *addr, const struct sockaddr *host)
340 const struct sockaddr_in *host4 = (const struct sockaddr_in *)host;
342 const struct sockaddr_in6 *host6 = (const struct sockaddr_in6 *)host;
345 switch (host->sa_family) {
347 addr->ncpaddr_family = AF_INET;
348 addr->ncpaddr_ip4addr = host4->sin_addr;
353 if (IN6_IS_ADDR_V4MAPPED(&host6->sin6_addr)) {
354 addr->ncpaddr_family = AF_INET;
355 addr->ncpaddr_ip4addr.s_addr =
356 *(const u_int32_t *)(host6->sin6_addr.s6_addr + 12);
358 addr->ncpaddr_family = AF_INET6;
359 addr->ncpaddr_ip6addr = host6->sin6_addr;
365 addr->ncpaddr_family = AF_UNSPEC;
370 ncpaddr_ntowa(const struct ncpaddr *addr)
372 static char res[NCP_ASCIIBUFFERSIZE];
374 struct sockaddr_in6 sin6;
377 switch (addr->ncpaddr_family) {
379 snprintf(res, sizeof res, "%s", inet_ntoa(addr->ncpaddr_ip4addr));
384 memset(&sin6, '\0', sizeof(sin6));
385 sin6.sin6_len = sizeof(sin6);
386 sin6.sin6_family = AF_INET6;
387 sin6.sin6_addr = addr->ncpaddr_ip6addr;
389 adjust_linklocal(&sin6);
391 if (getnameinfo((struct sockaddr *)&sin6, sizeof sin6, res, sizeof(res),
392 NULL, 0, NI_NUMERICHOST) != 0)
399 snprintf(res, sizeof res, "<AF_UNSPEC>");
404 ncpaddr_ntoa(const struct ncpaddr *addr)
406 return ncpaddr_ntowa(addr);
411 ncpaddr_aton(struct ncpaddr *addr, struct ncp *ncp, const char *data)
413 struct ncprange range;
415 if (!ncprange_aton(&range, ncp, data))
418 if (range.ncprange_family == AF_INET && range.ncprange_ip4width != 32 &&
419 range.ncprange_ip4addr.s_addr != INADDR_ANY) {
420 log_Printf(LogWARN, "ncpaddr_aton: %s: Only 32 bits allowed\n", data);
425 if (range.ncprange_family == AF_INET6 && range.ncprange_ip6width != 128 &&
426 !IN6_IS_ADDR_UNSPECIFIED(&range.ncprange_ip6addr)) {
427 log_Printf(LogWARN, "ncpaddr_aton: %s: Only 128 bits allowed\n", data);
432 switch (range.ncprange_family) {
434 addr->ncpaddr_family = range.ncprange_family;
435 addr->ncpaddr_ip4addr = range.ncprange_ip4addr;
440 addr->ncpaddr_family = range.ncprange_family;
441 addr->ncpaddr_ip6addr = range.ncprange_ip6addr;
450 ncprange_init(struct ncprange *range)
452 range->ncprange_family = AF_UNSPEC;
456 ncprange_isset(const struct ncprange *range)
458 return range->ncprange_family != AF_UNSPEC;
462 ncprange_equal(const struct ncprange *range, const struct ncprange *cmp)
464 if (range->ncprange_family != cmp->ncprange_family)
467 switch (range->ncprange_family) {
469 if (range->ncprange_ip4addr.s_addr != cmp->ncprange_ip4addr.s_addr)
471 return range->ncprange_ip4mask.s_addr == cmp->ncprange_ip4mask.s_addr;
475 if (range->ncprange_ip6width != cmp->ncprange_ip6width)
477 return !memcmp(&range->ncprange_ip6addr, &cmp->ncprange_ip6addr,
478 sizeof range->ncprange_ip6addr);
489 ncprange_isdefault(const struct ncprange *range)
491 switch (range->ncprange_family) {
493 if (range->ncprange_ip4addr.s_addr == INADDR_ANY)
499 if (range->ncprange_ip6width == 0 &&
500 IN6_IS_ADDR_UNSPECIFIED(&range->ncprange_ip6addr))
510 ncprange_setdefault(struct ncprange *range, int af)
512 memset(range, '\0', sizeof *range);
513 range->ncprange_family = af;
517 ncprange_contains(const struct ncprange *range, const struct ncpaddr *addr)
520 const u_char masks[] = { 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff };
521 const u_char *addrp, *rangep;
525 if (range->ncprange_family != addr->ncpaddr_family)
528 switch (range->ncprange_family) {
530 return !((addr->ncpaddr_ip4addr.s_addr ^ range->ncprange_ip4addr.s_addr) &
531 range->ncprange_ip4mask.s_addr);
535 rangep = (const u_char *)range->ncprange_ip6addr.s6_addr;
536 addrp = (const u_char *)addr->ncpaddr_ip6addr.s6_addr;
538 for (bits = range->ncprange_ip6width; bits > 0; bits -= 8)
539 if ((*addrp++ ^ *rangep++) & masks[bits > 7 ? 7 : bits - 1])
550 ncprange_containsip4(const struct ncprange *range, struct in_addr addr)
552 switch (range->ncprange_family) {
554 return !((addr.s_addr ^ range->ncprange_ip4addr.s_addr) &
555 range->ncprange_ip4mask.s_addr);
562 ncprange_copy(struct ncprange *range, const struct ncprange *from)
564 switch (from->ncprange_family) {
566 range->ncprange_family = AF_INET;
567 range->ncprange_ip4addr = from->ncprange_ip4addr;
568 range->ncprange_ip4mask = from->ncprange_ip4mask;
569 range->ncprange_ip4width = from->ncprange_ip4width;
574 range->ncprange_family = AF_INET6;
575 range->ncprange_ip6addr = from->ncprange_ip6addr;
576 range->ncprange_ip6width = from->ncprange_ip6width;
581 range->ncprange_family = AF_UNSPEC;
586 ncprange_set(struct ncprange *range, const struct ncpaddr *addr, int width)
588 ncprange_sethost(range, addr);
589 ncprange_setwidth(range, width);
593 ncprange_sethost(struct ncprange *range, const struct ncpaddr *from)
595 switch (from->ncpaddr_family) {
597 range->ncprange_family = AF_INET;
598 range->ncprange_ip4addr = from->ncpaddr_ip4addr;
599 if (from->ncpaddr_ip4addr.s_addr == INADDR_ANY) {
600 range->ncprange_ip4mask.s_addr = INADDR_ANY;
601 range->ncprange_ip4width = 0;
603 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
604 range->ncprange_ip4width = 32;
610 range->ncprange_family = AF_INET6;
611 range->ncprange_ip6addr = from->ncpaddr_ip6addr;
612 range->ncprange_ip6width = 128;
617 range->ncprange_family = AF_UNSPEC;
622 ncprange_ishost(const struct ncprange *range)
624 switch (range->ncprange_family) {
626 return range->ncprange_ip4width == 32;
629 return range->ncprange_ip6width == 128;
637 ncprange_setwidth(struct ncprange *range, int width)
639 switch (range->ncprange_family) {
641 if (width < 0 || width > 32)
643 range->ncprange_ip4width = width;
644 range->ncprange_ip4mask = bits2mask4(width);
649 if (width < 0 || width > 128)
651 range->ncprange_ip6width = width;
663 ncprange_setip4host(struct ncprange *range, struct in_addr from)
665 range->ncprange_family = AF_INET;
666 range->ncprange_ip4addr = from;
667 if (from.s_addr == INADDR_ANY) {
668 range->ncprange_ip4mask.s_addr = INADDR_ANY;
669 range->ncprange_ip4width = 0;
671 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
672 range->ncprange_ip4width = 32;
677 ncprange_setip4(struct ncprange *range, struct in_addr from, struct in_addr msk)
679 range->ncprange_family = AF_INET;
680 range->ncprange_ip4addr = from;
681 range->ncprange_ip4mask = msk;
682 range->ncprange_ip4width = mask42bits(msk);
687 ncprange_setip4mask(struct ncprange *range, struct in_addr mask)
689 if (range->ncprange_family != AF_INET)
691 range->ncprange_ip4mask = mask;
692 range->ncprange_ip4width = mask42bits(mask);
697 ncprange_setsa(struct ncprange *range, const struct sockaddr *host,
698 const struct sockaddr *mask)
700 const struct sockaddr_in *host4 = (const struct sockaddr_in *)host;
701 const struct sockaddr_in *mask4 = (const struct sockaddr_in *)mask;
703 const struct sockaddr_in6 *host6 = (const struct sockaddr_in6 *)host;
704 const struct sockaddr_in6 *mask6 = (const struct sockaddr_in6 *)mask;
707 switch (host->sa_family) {
709 range->ncprange_family = AF_INET;
710 range->ncprange_ip4addr = host4->sin_addr;
711 if (host4->sin_addr.s_addr == INADDR_ANY) {
712 range->ncprange_ip4mask.s_addr = INADDR_ANY;
713 range->ncprange_ip4width = 0;
714 } else if (mask4 && mask4->sin_family == AF_INET) {
715 range->ncprange_ip4mask.s_addr = mask4->sin_addr.s_addr;
716 range->ncprange_ip4width = mask42bits(mask4->sin_addr);
718 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
719 range->ncprange_ip4width = 32;
725 range->ncprange_family = AF_INET6;
726 range->ncprange_ip6addr = host6->sin6_addr;
727 if (IN6_IS_ADDR_UNSPECIFIED(&host6->sin6_addr))
728 range->ncprange_ip6width = 0;
730 range->ncprange_ip6width = mask6 ? mask62bits(&mask6->sin6_addr) : 128;
735 range->ncprange_family = AF_UNSPEC;
740 ncprange_getsa(const struct ncprange *range, struct sockaddr_storage *host,
741 struct sockaddr_storage *mask)
743 struct sockaddr_in *host4 = (struct sockaddr_in *)host;
744 struct sockaddr_in *mask4 = (struct sockaddr_in *)mask;
746 struct sockaddr_in6 *host6 = (struct sockaddr_in6 *)host;
747 struct sockaddr_in6 *mask6 = (struct sockaddr_in6 *)mask;
750 memset(host, '\0', sizeof(*host));
752 memset(mask, '\0', sizeof(*mask));
754 switch (range->ncprange_family) {
756 host4->sin_family = AF_INET;
757 host4->sin_len = sizeof(*host4);
758 host4->sin_addr = range->ncprange_ip4addr;
760 mask4->sin_family = AF_INET;
761 mask4->sin_len = sizeof(*host4);
762 mask4->sin_addr = range->ncprange_ip4mask;
768 host6->sin6_family = AF_INET6;
769 host6->sin6_len = sizeof(*host6);
770 host6->sin6_addr = range->ncprange_ip6addr;
772 mask6->sin6_family = AF_INET6;
773 mask6->sin6_len = sizeof(*host6);
774 mask6->sin6_addr = bits2mask6(range->ncprange_ip6width);
780 host->ss_family = AF_UNSPEC;
782 mask->ss_family = AF_UNSPEC;
788 ncprange_getaddr(const struct ncprange *range, struct ncpaddr *addr)
790 switch (range->ncprange_family) {
792 addr->ncpaddr_family = AF_INET;
793 addr->ncpaddr_ip4addr = range->ncprange_ip4addr;
797 addr->ncpaddr_family = AF_INET6;
798 addr->ncpaddr_ip6addr = range->ncprange_ip6addr;
807 ncprange_getip4addr(const struct ncprange *range, struct in_addr *addr)
809 if (range->ncprange_family != AF_INET)
812 *addr = range->ncprange_ip4addr;
817 ncprange_getip4mask(const struct ncprange *range, struct in_addr *mask)
819 switch (range->ncprange_family) {
821 *mask = range->ncprange_ip4mask;
829 ncprange_getwidth(const struct ncprange *range, int *width)
831 switch (range->ncprange_family) {
833 *width = range->ncprange_ip4width;
837 *width = range->ncprange_ip6width;
846 ncprange_ntoa(const struct ncprange *range)
852 if (!ncprange_getaddr(range, &addr))
853 return "<AF_UNSPEC>";
855 res = ncpaddr_ntowa(&addr);
857 if (len >= NCP_ASCIIBUFFERSIZE - 1)
860 switch (range->ncprange_family) {
862 if (range->ncprange_ip4width == -1) {
863 /* A non-contiguous mask */
864 for (; len >= 3; res[len -= 2] = '\0')
865 if (strcmp(res + len - 2, ".0"))
867 snprintf(res + len, sizeof res - len, "&0x%08lx",
868 (unsigned long)ntohl(range->ncprange_ip4mask.s_addr));
869 } else if (range->ncprange_ip4width < 32)
870 snprintf(res + len, sizeof res - len, "/%d", range->ncprange_ip4width);
876 if (range->ncprange_ip6width != 128)
877 snprintf(res + len, sizeof res - len, "/%d", range->ncprange_ip6width);
883 return "<AF_UNSPEC>";
888 ncprange_scopeid(const struct ncprange *range)
890 const struct in6_addr *sin6;
893 if (range->ncprange_family == AF_INET6) {
894 sin6 = &range->ncprange_ip6addr;
895 if (IN6_IS_ADDR_LINKLOCAL(sin6) || IN6_IS_ADDR_MC_LINKLOCAL(sin6))
896 if ((scopeid = ntohs(*(const u_short *)&sin6->s6_addr[2])) == 0)
905 ncprange_aton(struct ncprange *range, struct ncp *ncp, const char *data)
912 len = strcspn(data, "/");
914 if (ncp && strncasecmp(data, "HISADDR", len) == 0) {
915 range->ncprange_family = AF_INET;
916 range->ncprange_ip4addr = ncp->ipcp.peer_ip;
917 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
918 range->ncprange_ip4width = 32;
921 } else if (ncp && strncasecmp(data, "HISADDR6", len) == 0) {
922 range->ncprange_family = AF_INET6;
923 range->ncprange_ip6addr = ncp->ipv6cp.hisaddr.ncpaddr_ip6addr;
924 range->ncprange_ip6width = 128;
927 } else if (ncp && strncasecmp(data, "MYADDR", len) == 0) {
928 range->ncprange_family = AF_INET;
929 range->ncprange_ip4addr = ncp->ipcp.my_ip;
930 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
931 range->ncprange_ip4width = 32;
934 } else if (ncp && strncasecmp(data, "MYADDR6", len) == 0) {
935 range->ncprange_family = AF_INET6;
936 range->ncprange_ip6addr = ncp->ipv6cp.myaddr.ncpaddr_ip6addr;
937 range->ncprange_ip6width = 128;
940 } else if (ncp && strncasecmp(data, "DNS0", len) == 0) {
941 range->ncprange_family = AF_INET;
942 range->ncprange_ip4addr = ncp->ipcp.ns.dns[0];
943 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
944 range->ncprange_ip4width = 32;
946 } else if (ncp && strncasecmp(data, "DNS1", len) == 0) {
947 range->ncprange_family = AF_INET;
948 range->ncprange_ip4addr = ncp->ipcp.ns.dns[1];
949 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
950 range->ncprange_ip4width = 32;
954 s = (char *)alloca(len + 1);
955 strncpy(s, data, len);
959 if (data[len] != '\0') {
960 bits = strtol(data + len + 1, &wp, 0);
961 if (*wp || wp == data + len + 1 || bits < 0 || bits > 128) {
962 log_Printf(LogWARN, "ncprange_aton: bad mask width.\n");
967 if ((cp = strchr(data, ':')) == NULL) {
968 range->ncprange_family = AF_INET;
970 range->ncprange_ip4addr = GetIpAddr(s);
972 if (range->ncprange_ip4addr.s_addr == INADDR_NONE) {
973 log_Printf(LogWARN, "ncprange_aton: %s: Bad address\n", s);
977 if (range->ncprange_ip4addr.s_addr == INADDR_ANY) {
978 range->ncprange_ip4mask.s_addr = INADDR_ANY;
979 range->ncprange_ip4width = 0;
980 } else if (bits == -1) {
981 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
982 range->ncprange_ip4width = 32;
983 } else if (bits > 32) {
984 log_Printf(LogWARN, "ncprange_aton: bad mask width.\n");
987 range->ncprange_ip4mask = bits2mask4(bits);
988 range->ncprange_ip4width = bits;
993 } else if (strchr(cp + 1, ':') != NULL) {
994 range->ncprange_family = AF_INET6;
996 if (inet_pton(AF_INET6, s, &range->ncprange_ip6addr) != 1) {
997 log_Printf(LogWARN, "ncprange_aton: %s: Bad address\n", s);
1001 if (IN6_IS_ADDR_UNSPECIFIED(&range->ncprange_ip6addr))
1002 range->ncprange_ip6width = 0;
1004 range->ncprange_ip6width = (bits == -1) ? 128 : bits;