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- Use sin6_scope_id instead of sin6_addr.s6_addr[2].

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- Support a flag for ALLOW/BLOCK in source-specific multicast (RFC 4604).
This commit is contained in:
Hiroki Sato 2012-11-23 11:21:58 +00:00
parent 51fb3b32c4
commit a038519e19
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=243441
1 changed files with 11 additions and 17 deletions
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28
usr.sbin/ifmcstat/ifmcstat.c
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@ -167,7 +167,7 @@ static const char * inm_mode(u_int mode);
#endif
#ifdef INET6
static void in6_ifinfo(struct mld_ifinfo *);
static const char * inet6_n2a(struct in6_addr *);
static const char * inet6_n2a(struct in6_addr *, uint32_t);
#endif
int main(int, char **);
@ -459,7 +459,8 @@ if6_addrlist(struct ifaddr *ifap)
if (sa.sa_family != PF_INET6)
goto nextifap;
KREAD(ifap, &if6a, struct in6_ifaddr);
printf("\tinet6 %s\n", inet6_n2a(&if6a.ia_addr.sin6_addr));
printf("\tinet6 %s\n", inet6_n2a(&if6a.ia_addr.sin6_addr,
if6a.ia_addr.sin6_scope_id));
/*
* Print per-link MLD information, if available.
*/
@ -514,7 +515,7 @@ in6_multientry(struct in6_multi *mc)
struct in6_multi multi;
KREAD(mc, &multi, struct in6_multi);
printf("\t\tgroup %s", inet6_n2a(&multi.in6m_addr));
printf("\t\tgroup %s", inet6_n2a(&multi.in6m_addr, 0));
printf(" refcnt %u\n", multi.in6m_refcount);
return (multi.in6m_entry.le_next);
@ -751,7 +752,7 @@ in6_ifinfo(struct mld_ifinfo *mli)
printf("mldv?(%d)", mli->mli_version);
break;
}
printb(" flags", mli->mli_flags, "\020\1SILENT");
printb(" flags", mli->mli_flags, "\020\1SILENT\2USEALLOW");
if (mli->mli_version == MLD_VERSION_2) {
printf(" rv %u qi %u qri %u uri %u",
mli->mli_rv, mli->mli_qi, mli->mli_qri, mli->mli_uri);
@ -764,26 +765,17 @@ in6_ifinfo(struct mld_ifinfo *mli)
}
static const char *
inet6_n2a(struct in6_addr *p)
inet6_n2a(struct in6_addr *p, uint32_t scope_id)
{
static char buf[NI_MAXHOST];
struct sockaddr_in6 sin6;
u_int32_t scopeid;
const int niflags = NI_NUMERICHOST;
memset(&sin6, 0, sizeof(sin6));
sin6.sin6_family = AF_INET6;
sin6.sin6_len = sizeof(struct sockaddr_in6);
sin6.sin6_addr = *p;
if (IN6_IS_ADDR_LINKLOCAL(p) || IN6_IS_ADDR_MC_LINKLOCAL(p) ||
IN6_IS_ADDR_MC_NODELOCAL(p)) {
scopeid = ntohs(*(u_int16_t *)&sin6.sin6_addr.s6_addr[2]);
if (scopeid) {
sin6.sin6_scope_id = scopeid;
sin6.sin6_addr.s6_addr[2] = 0;
sin6.sin6_addr.s6_addr[3] = 0;
}
}
sin6.sin6_scope_id = scope_id;
if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
buf, sizeof(buf), NULL, 0, niflags) == 0) {
return (buf);
@ -1115,7 +1107,8 @@ ifmcstat_getifmaddrs(void)
#ifdef INET6
{
const char *p =
inet6_n2a(&pifasa->sin6.sin6_addr);
inet6_n2a(&pifasa->sin6.sin6_addr,
pifasa->sin6.sin6_scope_id);
strlcpy(addrbuf, p, sizeof(addrbuf));
break;
}
@ -1196,7 +1189,8 @@ ifmcstat_getifmaddrs(void)
/* Print this group address. */
#ifdef INET6
if (pgsa->sa.sa_family == AF_INET6) {
const char *p = inet6_n2a(&pgsa->sin6.sin6_addr);
const char *p = inet6_n2a(&pgsa->sin6.sin6_addr,
pgsa->sin6.sin6_scope_id);
strlcpy(addrbuf, p, sizeof(addrbuf));
} else
#endif