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Support IPv6 scoped addr in ifconfig and route
IPv6 scoped addr display is not yet supported by ifconfig and route. Now almost of IPv6 apps support it, so its support in ifconfig and route is important to keep consisetncy, and to avoid user confusion. Approved by: jkh
This commit is contained in:
Yoshinobu Inoue
parent
be26adb5b6
commit
94fafad064
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=57108
@ -94,6 +94,11 @@ static const char rcsid[] =
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#include "ifconfig.h"
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/* wrapper for KAME-special getnameinfo() */
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#ifndef NI_WITHSCOPEID
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#define NI_WITHSCOPEID 0
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#endif
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struct ifreq ifr, ridreq;
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struct ifaliasreq addreq;
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#ifdef INET6
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@ -119,7 +124,7 @@ static int ip6lifetime;
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struct afswtch;
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#ifdef INET6
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char ntop_buf[INET6_ADDRSTRLEN]; /*inet_ntop()*/
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char addr_buf[MAXHOSTNAMELEN *2 + 1]; /*for getnameinfo()*/
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#endif
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void Perror __P((const char *cmd));
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@ -969,6 +974,7 @@ in6_status(s, info)
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u_int32_t flags6;
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struct in6_addrlifetime lifetime;
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time_t t = time(NULL);
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int error;
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memset(&null_sin, 0, sizeof(null_sin));
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@ -995,9 +1001,24 @@ in6_status(s, info)
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lifetime = ifr6.ifr_ifru.ifru_lifetime;
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close(s6);
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printf("\tinet6 %s ", inet_ntop(AF_INET6, &sin->sin6_addr,
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ntop_buf, sizeof(ntop_buf)));
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/* XXX: embedded link local addr check */
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if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) &&
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*(u_short *)&sin->sin6_addr.s6_addr[2] != 0) {
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u_short index;
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index = *(u_short *)&sin->sin6_addr.s6_addr[2];
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*(u_short *)&sin->sin6_addr.s6_addr[2] = 0;
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if (sin->sin6_scope_id == 0)
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sin->sin6_scope_id = ntohs(index);
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}
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error = getnameinfo((struct sockaddr *)sin, sin->sin6_len, addr_buf,
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sizeof(addr_buf), NULL, 0,
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NI_NUMERICHOST|NI_WITHSCOPEID);
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if (error != 0)
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inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf,
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sizeof(addr_buf));
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printf("\tinet6 %s ", addr_buf);
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if (flags & IFF_POINTOPOINT) {
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/* note RTAX_BRD overlap with IFF_BROADCAST */
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@ -1007,8 +1028,27 @@ in6_status(s, info)
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* address.
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*/
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if (sin && sin->sin6_family == AF_INET6) {
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printf("--> %s ", inet_ntop(AF_INET6, &sin->sin6_addr,
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ntop_buf, sizeof(ntop_buf)));
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int error;
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/* XXX: embedded link local addr check */
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if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) &&
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*(u_short *)&sin->sin6_addr.s6_addr[2] != 0) {
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u_short index;
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index = *(u_short *)&sin->sin6_addr.s6_addr[2];
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*(u_short *)&sin->sin6_addr.s6_addr[2] = 0;
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if (sin->sin6_scope_id == 0)
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sin->sin6_scope_id = ntohs(index);
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}
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error = getnameinfo((struct sockaddr *)sin,
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sin->sin6_len, addr_buf,
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sizeof(addr_buf), NULL, 0,
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NI_NUMERICHOST|NI_WITHSCOPEID);
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if (error != 0)
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inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf,
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sizeof(addr_buf));
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printf("--> %s ", addr_buf);
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}
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}
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@ -1213,6 +1253,8 @@ in6_getaddr(s, which)
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int which;
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{
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register struct sockaddr_in6 *sin = sin6tab[which];
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struct addrinfo hints, *res;
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int error = -1;
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newaddr &= 1;
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@ -1220,8 +1262,16 @@ in6_getaddr(s, which)
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if (which != MASK)
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sin->sin6_family = AF_INET6;
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if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1)
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errx(1, "%s: bad value", s);
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if (sin->sin6_family == AF_INET6) {
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bzero(&hints, sizeof(struct addrinfo));
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hints.ai_family = AF_INET6;
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error = getaddrinfo(s, NULL, &hints, &res);
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}
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if (error != 0) {
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if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1)
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errx(1, "%s: bad value", s);
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} else
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bcopy(res->ai_addr, sin, res->ai_addrlen);
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}
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void
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@ -72,6 +72,11 @@ static const char rcsid[] =
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#include <sysexits.h>
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#include <unistd.h>
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/* wrapper for KAME-special getnameinfo() */
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#ifndef NI_WITHSCOPEID
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#define NI_WITHSCOPEID 0
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#endif
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struct keytab {
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char *kt_cp;
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int kt_i;
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@ -104,6 +109,9 @@ struct rt_metrics rt_metrics;
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u_long rtm_inits;
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int atalk_aton __P((const char *, struct at_addr *));
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char *atalk_ntoa __P((struct at_addr));
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#ifdef INET6
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char *inet6_ntoa __P((struct sockaddr *sa));
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#endif
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char *routename(), *netname();
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void flushroutes(), newroute(), monitor(), sockaddr(), sodump(), bprintf();
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void print_getmsg(), print_rtmsg(), pmsg_common(), pmsg_addrs(), mask_addr();
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@ -114,7 +122,7 @@ extern char *iso_ntoa();
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void usage __P((const char *)) __dead2;
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#ifdef INET6
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char ntop_buf[INET6_ADDRSTRLEN]; /*for inet_ntop()*/
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char name_buf[MAXHOSTNAMELEN * 2 + 1]; /*for getnameinfo()*/
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#endif
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void
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@ -361,17 +369,8 @@ routename(sa)
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#ifdef INET6
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case AF_INET6:
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{ struct sockaddr_in6 *sin6;
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int gap;
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sin6 = (struct sockaddr_in6 *)sa;
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gap = sizeof(struct sockaddr_in6) - sin6->sin6_len;
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if (gap > 0)
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bzero((char *)(sin6) + sin6->sin6_len, gap);
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(void) snprintf(line, sizeof(line), "%s",
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inet_ntop(AF_INET6, &sin6->sin6_addr,
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ntop_buf, sizeof(ntop_buf)));
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}
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(void) snprintf(line, sizeof(line), "%s", inet6_ntoa(sa));
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break;
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#endif
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case AF_APPLETALK:
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@ -473,17 +472,8 @@ netname(sa)
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#ifdef INET6
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case AF_INET6:
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{ struct in6_addr in6;
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int gap;
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in6 = ((struct sockaddr_in6 *)sa)->sin6_addr;
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gap = sizeof(struct sockaddr_in6) - sa->sa_len;
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if (gap > 0)
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bzero((char *)(&in6 + 1) - gap, gap);
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(void)snprintf(line, sizeof(line), "%s",
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inet_ntop(AF_INET6, &in6, ntop_buf,
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sizeof(ntop_buf)));
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}
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(void) snprintf(line, sizeof(line), "%s", inet6_ntoa(sa));
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break;
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#endif
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case AF_APPLETALK:
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@ -917,11 +907,25 @@ getaddr(which, s, hpp)
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switch (afamily) {
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#ifdef INET6
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case AF_INET6:
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if (inet_pton(AF_INET6, s, (void *)&su->sin6.sin6_addr) != 1) {
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(void) fprintf(stderr, "%s: bad value\n", s);
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{
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struct addrinfo hints, *res;
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int error;
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bzero(&hints, sizeof(struct addrinfo));
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hints.ai_family = AF_INET6;
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error = getaddrinfo(s, NULL, &hints, &res);
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if (error != 0) {
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(void) fprintf(stderr, "%s: bad value\n",
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gai_strerror(error));
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if (error == EAI_SYSTEM)
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(void) fprintf(stderr, "%s\n",
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strerror(errno));
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exit(1);
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}
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bcopy(res->ai_addr, &su->sa, res->ai_addrlen);
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return 0;
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}
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#endif
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#ifdef NS
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@ -1613,3 +1617,45 @@ atalk_ntoa(struct at_addr at)
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(void) snprintf(buf, sizeof(buf), "%u.%u", ntohs(at.s_net), at.s_node);
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return(buf);
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}
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#ifdef INET6
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char *
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inet6_ntoa(struct sockaddr *sa)
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{
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char *cp;
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struct sockaddr_in6 *sin6;
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int error = -1, gap;
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cp = NULL;
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sin6 = (struct sockaddr_in6 *)sa;
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gap = sizeof(struct sockaddr_in6) - sin6->sin6_len;
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if (gap > 0)
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bzero((char *)(sin6) + sin6->sin6_len, gap);
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/* XXX: embedded link local addr check */
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if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) &&
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*(u_short *)&sin6->sin6_addr.s6_addr[2] != 0) {
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u_short index;
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index = *(u_short *)&sin6->sin6_addr.s6_addr[2];
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*(u_short *)&sin6->sin6_addr.s6_addr[2] = 0;
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if (sin6->sin6_scope_id == 0)
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sin6->sin6_scope_id = ntohs(index);
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}
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if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr) || sa->sa_len < 4)
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cp = "default";
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if (cp == 0 && !nflag)
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error = getnameinfo(sa, sa->sa_len, name_buf, sizeof(name_buf),
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NULL, 0, NI_NAMEREQD);
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if (error != 0)
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error = getnameinfo(sa, sa->sa_len, name_buf,
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sizeof(name_buf), NULL, 0,
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NI_NUMERICHOST|NI_WITHSCOPEID);
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if (error != 0)
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inet_ntop(AF_INET6, &sin6->sin6_addr, name_buf,
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sizeof(name_buf));
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return (cp != NULL) ? cp : name_buf;
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}
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#endif
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