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
26 * $FreeBSD: src/usr.sbin/ppp/ncpaddr.c,v 1.10.2.3 2003/04/29 16:05:55 ume Exp $
27 * $DragonFly: src/usr.sbin/ppp/ncpaddr.c,v 1.4 2008/05/19 10:19:49 corecode Exp $
30 #include <sys/types.h>
31 #include <sys/select.h>
32 #include <sys/socket.h>
34 #include <net/if_types.h>
35 #include <net/route.h>
37 #include <netinet/in.h>
38 #include <netinet/in_systm.h>
39 #include <netinet/ip.h>
40 #include <arpa/inet.h>
54 #include "slcompress.h"
56 #include "throughput.h"
59 #include "descriptor.h"
71 #define ncprange_ip4addr u.ip4.ipaddr
72 #define ncprange_ip4mask u.ip4.mask
73 #define ncprange_ip4width u.ip4.width
74 #define ncpaddr_ip4addr u.ip4addr
76 #define ncprange_ip6addr u.ip6.ipaddr
77 #define ncprange_ip6width u.ip6.width
78 #define ncpaddr_ip6addr u.ip6addr
81 #define NCP_ASCIIBUFFERSIZE 52
86 struct in_addr result;
87 u_int32_t bit = 0x80000000;
97 result.s_addr = htonl(result.s_addr);
102 mask42bits(struct in_addr mask)
104 u_int32_t msk = ntohl(mask.s_addr);
108 for (ret = 32, tst = 1; tst; ret--, tst <<= 1)
112 for (tst <<= 1; tst; tst <<= 1)
116 return tst ? -1 : ret;
120 static struct in6_addr
123 struct in6_addr result;
124 u_int32_t bit = 0x80;
125 u_char *c = result.s6_addr;
127 memset(&result, '\0', sizeof result);
143 mask62bits(const struct in6_addr *mask)
145 const u_char masks[] = { 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe };
146 const u_char *c, *p, *end;
149 p = (const u_char *)mask;
150 for (masklen = 0, end = p + 16; p < end && *p == 0xff; p++)
154 for (c = masks; c < masks + sizeof masks; c++)
156 masklen += c - masks;
166 adjust_linklocal(struct sockaddr_in6 *sin6)
168 /* XXX: ?????!?!?!!!!! This is horrible ! */
170 * The kernel does not understand sin6_scope_id for routing at this moment.
171 * We should rather keep the embedded ID.
172 * jinmei@kame.net, 20011026
174 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) ||
175 IN6_IS_ADDR_MC_LINKLOCAL(&sin6->sin6_addr)) {
176 sin6->sin6_scope_id =
177 ntohs(*(u_short *)&sin6->sin6_addr.s6_addr[2]);
178 *(u_short *)&sin6->sin6_addr.s6_addr[2] = 0;
185 ncpaddr_init(struct ncpaddr *addr)
187 addr->ncpaddr_family = AF_UNSPEC;
191 ncpaddr_isset(const struct ncpaddr *addr)
193 return addr->ncpaddr_family != AF_UNSPEC;
197 ncpaddr_isdefault(const struct ncpaddr *addr)
199 switch (addr->ncpaddr_family) {
201 if (addr->ncpaddr_ip4addr.s_addr == INADDR_ANY)
207 if (IN6_IS_ADDR_UNSPECIFIED(&addr->ncpaddr_ip6addr))
217 ncpaddr_equal(const struct ncpaddr *addr, const struct ncpaddr *cmp)
219 if (addr->ncpaddr_family != cmp->ncpaddr_family)
222 switch (addr->ncpaddr_family) {
224 return addr->ncpaddr_ip4addr.s_addr == cmp->ncpaddr_ip4addr.s_addr;
228 return !memcmp(&addr->ncpaddr_ip6addr, &cmp->ncpaddr_ip6addr,
229 sizeof addr->ncpaddr_ip6addr);
240 ncpaddr_copy(struct ncpaddr *addr, const struct ncpaddr *from)
242 switch (from->ncpaddr_family) {
244 addr->ncpaddr_family = AF_INET;
245 addr->ncpaddr_ip4addr = from->ncpaddr_ip4addr;
249 addr->ncpaddr_family = AF_INET6;
250 addr->ncpaddr_ip6addr = from->ncpaddr_ip6addr;
254 addr->ncpaddr_family = AF_UNSPEC;
259 ncpaddr_setip4addr(struct ncpaddr *addr, u_int32_t ip)
261 addr->ncpaddr_family = AF_INET;
262 addr->ncpaddr_ip4addr.s_addr = ip;
266 ncpaddr_getip4addr(const struct ncpaddr *addr, u_int32_t *ip)
268 if (addr->ncpaddr_family != AF_INET)
270 *ip = addr->ncpaddr_ip4addr.s_addr;
275 ncpaddr_setip4(struct ncpaddr *addr, struct in_addr ip)
277 addr->ncpaddr_family = AF_INET;
278 addr->ncpaddr_ip4addr = ip;
282 ncpaddr_getip4(const struct ncpaddr *addr, struct in_addr *ip)
284 if (addr->ncpaddr_family != AF_INET)
286 *ip = addr->ncpaddr_ip4addr;
292 ncpaddr_setip6(struct ncpaddr *addr, const struct in6_addr *ip6)
294 addr->ncpaddr_family = AF_INET6;
295 addr->ncpaddr_ip6addr = *ip6;
299 ncpaddr_getip6(const struct ncpaddr *addr, struct in6_addr *ip6)
301 if (addr->ncpaddr_family != AF_INET6)
303 *ip6 = addr->ncpaddr_ip6addr;
309 ncpaddr_getsa(const struct ncpaddr *addr, struct sockaddr_storage *host)
311 struct sockaddr_in *host4 = (struct sockaddr_in *)host;
313 struct sockaddr_in6 *host6 = (struct sockaddr_in6 *)host;
316 memset(host, '\0', sizeof(*host));
318 switch (addr->ncpaddr_family) {
320 host4->sin_family = AF_INET;
321 host4->sin_len = sizeof(*host4);
322 host4->sin_addr = addr->ncpaddr_ip4addr;
327 host6->sin6_family = AF_INET6;
328 host6->sin6_len = sizeof(*host6);
329 host6->sin6_addr = addr->ncpaddr_ip6addr;
334 host->ss_family = AF_UNSPEC;
340 ncpaddr_setsa(struct ncpaddr *addr, const struct sockaddr *host)
342 const struct sockaddr_in *host4 = (const struct sockaddr_in *)host;
344 const struct sockaddr_in6 *host6 = (const struct sockaddr_in6 *)host;
347 switch (host->sa_family) {
349 addr->ncpaddr_family = AF_INET;
350 addr->ncpaddr_ip4addr = host4->sin_addr;
355 if (IN6_IS_ADDR_V4MAPPED(&host6->sin6_addr)) {
356 addr->ncpaddr_family = AF_INET;
357 addr->ncpaddr_ip4addr.s_addr =
358 *(const u_int32_t *)(host6->sin6_addr.s6_addr + 12);
360 addr->ncpaddr_family = AF_INET6;
361 addr->ncpaddr_ip6addr = host6->sin6_addr;
367 addr->ncpaddr_family = AF_UNSPEC;
372 ncpaddr_ntowa(const struct ncpaddr *addr)
374 static char res[NCP_ASCIIBUFFERSIZE];
376 struct sockaddr_in6 sin6;
379 switch (addr->ncpaddr_family) {
381 snprintf(res, sizeof res, "%s", inet_ntoa(addr->ncpaddr_ip4addr));
386 memset(&sin6, '\0', sizeof(sin6));
387 sin6.sin6_len = sizeof(sin6);
388 sin6.sin6_family = AF_INET6;
389 sin6.sin6_addr = addr->ncpaddr_ip6addr;
391 adjust_linklocal(&sin6);
393 #ifdef NI_WITHSCOPEID
394 if (getnameinfo((struct sockaddr *)&sin6, sizeof sin6, res, sizeof(res),
395 NULL, 0, NI_WITHSCOPEID | NI_NUMERICHOST) != 0)
397 if (getnameinfo((struct sockaddr *)&sin6, sizeof sin6, res, sizeof(res),
398 NULL, 0, NI_NUMERICHOST) != 0)
406 snprintf(res, sizeof res, "<AF_UNSPEC>");
411 ncpaddr_ntoa(const struct ncpaddr *addr)
413 return ncpaddr_ntowa(addr);
418 ncpaddr_aton(struct ncpaddr *addr, struct ncp *ncp, const char *data)
420 struct ncprange range;
422 if (!ncprange_aton(&range, ncp, data))
425 if (range.ncprange_family == AF_INET && range.ncprange_ip4width != 32) {
426 log_Printf(LogWARN, "ncpaddr_aton: %s: Only 32 bits allowed\n", data);
431 if (range.ncprange_family == AF_INET6 && range.ncprange_ip6width != 128) {
432 log_Printf(LogWARN, "ncpaddr_aton: %s: Only 128 bits allowed\n", data);
437 switch (range.ncprange_family) {
439 addr->ncpaddr_family = range.ncprange_family;
440 addr->ncpaddr_ip4addr = range.ncprange_ip4addr;
445 addr->ncpaddr_family = range.ncprange_family;
446 addr->ncpaddr_ip6addr = range.ncprange_ip6addr;
455 ncprange_init(struct ncprange *range)
457 range->ncprange_family = AF_UNSPEC;
461 ncprange_isset(const struct ncprange *range)
463 return range->ncprange_family != AF_UNSPEC;
467 ncprange_equal(const struct ncprange *range, const struct ncprange *cmp)
469 if (range->ncprange_family != cmp->ncprange_family)
472 switch (range->ncprange_family) {
474 if (range->ncprange_ip4addr.s_addr != cmp->ncprange_ip4addr.s_addr)
476 return range->ncprange_ip4mask.s_addr == cmp->ncprange_ip4mask.s_addr;
480 if (range->ncprange_ip6width != cmp->ncprange_ip6width)
482 return !memcmp(&range->ncprange_ip6addr, &cmp->ncprange_ip6addr,
483 sizeof range->ncprange_ip6addr);
494 ncprange_isdefault(const struct ncprange *range)
496 switch (range->ncprange_family) {
498 if (range->ncprange_ip4addr.s_addr == INADDR_ANY)
504 if (range->ncprange_ip6width == 0 &&
505 IN6_IS_ADDR_UNSPECIFIED(&range->ncprange_ip6addr))
515 ncprange_setdefault(struct ncprange *range, int af)
517 memset(range, '\0', sizeof *range);
518 range->ncprange_family = af;
522 ncprange_contains(const struct ncprange *range, const struct ncpaddr *addr)
525 const u_char masks[] = { 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff };
526 const u_char *addrp, *rangep;
530 if (range->ncprange_family != addr->ncpaddr_family)
533 switch (range->ncprange_family) {
535 return !((addr->ncpaddr_ip4addr.s_addr ^ range->ncprange_ip4addr.s_addr) &
536 range->ncprange_ip4mask.s_addr);
540 rangep = (const u_char *)range->ncprange_ip6addr.s6_addr;
541 addrp = (const u_char *)addr->ncpaddr_ip6addr.s6_addr;
543 for (bits = range->ncprange_ip6width; bits > 0; bits -= 8)
544 if ((*addrp++ ^ *rangep++) & masks[bits > 7 ? 7 : bits - 1])
555 ncprange_containsip4(const struct ncprange *range, struct in_addr addr)
557 switch (range->ncprange_family) {
559 return !((addr.s_addr ^ range->ncprange_ip4addr.s_addr) &
560 range->ncprange_ip4mask.s_addr);
567 ncprange_copy(struct ncprange *range, const struct ncprange *from)
569 switch (from->ncprange_family) {
571 range->ncprange_family = AF_INET;
572 range->ncprange_ip4addr = from->ncprange_ip4addr;
573 range->ncprange_ip4mask = from->ncprange_ip4mask;
574 range->ncprange_ip4width = from->ncprange_ip4width;
579 range->ncprange_family = AF_INET6;
580 range->ncprange_ip6addr = from->ncprange_ip6addr;
581 range->ncprange_ip6width = from->ncprange_ip6width;
586 range->ncprange_family = AF_UNSPEC;
591 ncprange_set(struct ncprange *range, const struct ncpaddr *addr, int width)
593 ncprange_sethost(range, addr);
594 ncprange_setwidth(range, width);
598 ncprange_sethost(struct ncprange *range, const struct ncpaddr *from)
600 switch (from->ncpaddr_family) {
602 range->ncprange_family = AF_INET;
603 range->ncprange_ip4addr = from->ncpaddr_ip4addr;
604 if (from->ncpaddr_ip4addr.s_addr == INADDR_ANY) {
605 range->ncprange_ip4mask.s_addr = INADDR_ANY;
606 range->ncprange_ip4width = 0;
608 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
609 range->ncprange_ip4width = 32;
615 range->ncprange_family = AF_INET6;
616 range->ncprange_ip6addr = from->ncpaddr_ip6addr;
617 range->ncprange_ip6width = 128;
622 range->ncprange_family = AF_UNSPEC;
627 ncprange_ishost(const struct ncprange *range)
629 switch (range->ncprange_family) {
631 return range->ncprange_ip4width == 32;
634 return range->ncprange_ip6width == 128;
642 ncprange_setwidth(struct ncprange *range, int width)
644 switch (range->ncprange_family) {
646 if (width < 0 || width > 32)
648 range->ncprange_ip4width = width;
649 range->ncprange_ip4mask = bits2mask4(width);
654 if (width < 0 || width > 128)
656 range->ncprange_ip6width = width;
668 ncprange_setip4host(struct ncprange *range, struct in_addr from)
670 range->ncprange_family = AF_INET;
671 range->ncprange_ip4addr = from;
672 if (from.s_addr == INADDR_ANY) {
673 range->ncprange_ip4mask.s_addr = INADDR_ANY;
674 range->ncprange_ip4width = 0;
676 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
677 range->ncprange_ip4width = 32;
682 ncprange_setip4(struct ncprange *range, struct in_addr from, struct in_addr msk)
684 range->ncprange_family = AF_INET;
685 range->ncprange_ip4addr = from;
686 range->ncprange_ip4mask = msk;
687 range->ncprange_ip4width = mask42bits(msk);
692 ncprange_setip4mask(struct ncprange *range, struct in_addr mask)
694 if (range->ncprange_family != AF_INET)
696 range->ncprange_ip4mask = mask;
697 range->ncprange_ip4width = mask42bits(mask);
702 ncprange_setsa(struct ncprange *range, const struct sockaddr *host,
703 const struct sockaddr *mask)
705 const struct sockaddr_in *host4 = (const struct sockaddr_in *)host;
706 const struct sockaddr_in *mask4 = (const struct sockaddr_in *)mask;
708 const struct sockaddr_in6 *host6 = (const struct sockaddr_in6 *)host;
709 const struct sockaddr_in6 *mask6 = (const struct sockaddr_in6 *)mask;
712 switch (host->sa_family) {
714 range->ncprange_family = AF_INET;
715 range->ncprange_ip4addr = host4->sin_addr;
716 if (host4->sin_addr.s_addr == INADDR_ANY) {
717 range->ncprange_ip4mask.s_addr = INADDR_ANY;
718 range->ncprange_ip4width = 0;
719 } else if (mask4 && mask4->sin_family == AF_INET) {
720 range->ncprange_ip4mask.s_addr = mask4->sin_addr.s_addr;
721 range->ncprange_ip4width = mask42bits(mask4->sin_addr);
723 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
724 range->ncprange_ip4width = 32;
730 range->ncprange_family = AF_INET6;
731 range->ncprange_ip6addr = host6->sin6_addr;
732 if (IN6_IS_ADDR_UNSPECIFIED(&host6->sin6_addr))
733 range->ncprange_ip6width = 0;
735 range->ncprange_ip6width = mask6 ? mask62bits(&mask6->sin6_addr) : 128;
740 range->ncprange_family = AF_UNSPEC;
745 ncprange_getsa(const struct ncprange *range, struct sockaddr_storage *host,
746 struct sockaddr_storage *mask)
748 struct sockaddr_in *host4 = (struct sockaddr_in *)host;
749 struct sockaddr_in *mask4 = (struct sockaddr_in *)mask;
751 struct sockaddr_in6 *host6 = (struct sockaddr_in6 *)host;
752 struct sockaddr_in6 *mask6 = (struct sockaddr_in6 *)mask;
755 memset(host, '\0', sizeof(*host));
757 memset(mask, '\0', sizeof(*mask));
759 switch (range->ncprange_family) {
761 host4->sin_family = AF_INET;
762 host4->sin_len = sizeof(*host4);
763 host4->sin_addr = range->ncprange_ip4addr;
765 mask4->sin_family = AF_INET;
766 mask4->sin_len = sizeof(*host4);
767 mask4->sin_addr = range->ncprange_ip4mask;
773 host6->sin6_family = AF_INET6;
774 host6->sin6_len = sizeof(*host6);
775 host6->sin6_addr = range->ncprange_ip6addr;
777 mask6->sin6_family = AF_INET6;
778 mask6->sin6_len = sizeof(*host6);
779 mask6->sin6_addr = bits2mask6(range->ncprange_ip6width);
785 host->ss_family = AF_UNSPEC;
787 mask->ss_family = AF_UNSPEC;
793 ncprange_getaddr(const struct ncprange *range, struct ncpaddr *addr)
795 switch (range->ncprange_family) {
797 addr->ncpaddr_family = AF_INET;
798 addr->ncpaddr_ip4addr = range->ncprange_ip4addr;
802 addr->ncpaddr_family = AF_INET6;
803 addr->ncpaddr_ip6addr = range->ncprange_ip6addr;
812 ncprange_getip4addr(const struct ncprange *range, struct in_addr *addr)
814 if (range->ncprange_family != AF_INET)
817 *addr = range->ncprange_ip4addr;
822 ncprange_getip4mask(const struct ncprange *range, struct in_addr *mask)
824 switch (range->ncprange_family) {
826 *mask = range->ncprange_ip4mask;
834 ncprange_getwidth(const struct ncprange *range, int *width)
836 switch (range->ncprange_family) {
838 *width = range->ncprange_ip4width;
842 *width = range->ncprange_ip6width;
851 ncprange_ntoa(const struct ncprange *range)
857 if (!ncprange_getaddr(range, &addr))
858 return "<AF_UNSPEC>";
860 res = ncpaddr_ntowa(&addr);
862 if (len >= NCP_ASCIIBUFFERSIZE - 1)
865 switch (range->ncprange_family) {
867 if (range->ncprange_ip4width == -1) {
868 /* A non-contiguous mask */
869 for (; len >= 3; res[len -= 2] = '\0')
870 if (strcmp(res + len - 2, ".0"))
872 snprintf(res + len, strlen(res) - len, "&0x%08lx",
873 (unsigned long)ntohl(range->ncprange_ip4mask.s_addr));
874 } else if (range->ncprange_ip4width < 32)
875 snprintf(res + len, strlen(res) - len, "/%d", range->ncprange_ip4width);
881 if (range->ncprange_ip6width != 128)
882 snprintf(res + len, strlen(res) - len, "/%d", range->ncprange_ip6width);
888 return "<AF_UNSPEC>";
893 ncprange_scopeid(const struct ncprange *range)
895 const struct in6_addr *sin6;
898 if (range->ncprange_family == AF_INET6) {
899 sin6 = &range->ncprange_ip6addr;
900 if (IN6_IS_ADDR_LINKLOCAL(sin6) || IN6_IS_ADDR_MC_LINKLOCAL(sin6))
901 if ((scopeid = ntohs(*(const u_short *)&sin6->s6_addr[2])) == 0)
910 ncprange_aton(struct ncprange *range, struct ncp *ncp, const char *data)
917 len = strcspn(data, "/");
919 if (ncp && strncasecmp(data, "HISADDR", len) == 0) {
920 range->ncprange_family = AF_INET;
921 range->ncprange_ip4addr = ncp->ipcp.peer_ip;
922 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
923 range->ncprange_ip4width = 32;
926 } else if (ncp && strncasecmp(data, "HISADDR6", len) == 0) {
927 range->ncprange_family = AF_INET6;
928 range->ncprange_ip6addr = ncp->ipv6cp.hisaddr.ncpaddr_ip6addr;
929 range->ncprange_ip6width = 128;
932 } else if (ncp && strncasecmp(data, "MYADDR", len) == 0) {
933 range->ncprange_family = AF_INET;
934 range->ncprange_ip4addr = ncp->ipcp.my_ip;
935 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
936 range->ncprange_ip4width = 32;
939 } else if (ncp && strncasecmp(data, "MYADDR6", len) == 0) {
940 range->ncprange_family = AF_INET6;
941 range->ncprange_ip6addr = ncp->ipv6cp.myaddr.ncpaddr_ip6addr;
942 range->ncprange_ip6width = 128;
945 } else if (ncp && strncasecmp(data, "DNS0", len) == 0) {
946 range->ncprange_family = AF_INET;
947 range->ncprange_ip4addr = ncp->ipcp.ns.dns[0];
948 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
949 range->ncprange_ip4width = 32;
951 } else if (ncp && strncasecmp(data, "DNS1", len) == 0) {
952 range->ncprange_family = AF_INET;
953 range->ncprange_ip4addr = ncp->ipcp.ns.dns[1];
954 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
955 range->ncprange_ip4width = 32;
959 s = (char *)alloca(len + 1);
960 strncpy(s, data, len);
964 if (data[len] != '\0') {
965 bits = strtol(data + len + 1, &wp, 0);
966 if (*wp || wp == data + len + 1 || bits < 0 || bits > 128) {
967 log_Printf(LogWARN, "ncprange_aton: bad mask width.\n");
972 if ((cp = strchr(data, ':')) == NULL) {
973 range->ncprange_family = AF_INET;
975 range->ncprange_ip4addr = GetIpAddr(s);
977 if (range->ncprange_ip4addr.s_addr == INADDR_NONE) {
978 log_Printf(LogWARN, "ncprange_aton: %s: Bad address\n", s);
982 if (range->ncprange_ip4addr.s_addr == INADDR_ANY) {
983 range->ncprange_ip4mask.s_addr = INADDR_ANY;
984 range->ncprange_ip4width = 0;
985 } else if (bits == -1) {
986 range->ncprange_ip4mask.s_addr = INADDR_BROADCAST;
987 range->ncprange_ip4width = 32;
988 } else if (bits > 32) {
989 log_Printf(LogWARN, "ncprange_aton: bad mask width.\n");
992 range->ncprange_ip4mask = bits2mask4(bits);
993 range->ncprange_ip4width = bits;
998 } else if (strchr(cp + 1, ':') != NULL) {
999 range->ncprange_family = AF_INET6;
1001 if (inet_pton(AF_INET6, s, &range->ncprange_ip6addr) != 1) {
1002 log_Printf(LogWARN, "ncprange_aton: %s: Bad address\n", s);
1006 if (IN6_IS_ADDR_UNSPECIFIED(&range->ncprange_ip6addr))
1007 range->ncprange_ip6width = 0;
1009 range->ncprange_ip6width = (bits == -1) ? 128 : bits;