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Differential D2856 Diff 17215 head/sbin/ifconfig/af_inet6.c

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head/sbin/ifconfig/af_inet6.c

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static struct in6_aliasreq in6_addreq = static struct in6_aliasreq in6_addreq =
{ .ifra_flags = 0, { .ifra_flags = 0,
.ifra_lifetime = { 0, 0, ND6_INFINITE_LIFETIME, ND6_INFINITE_LIFETIME } }; .ifra_lifetime = { 0, 0, ND6_INFINITE_LIFETIME, ND6_INFINITE_LIFETIME } };
static int ip6lifetime; static int ip6lifetime;
static int prefix(void *, int); static int prefix(void *, int);
static char *sec2str(time_t); static char *sec2str(time_t);
static int explicit_prefix = 0; static int explicit_prefix = 0;
extern char *f_inet6, *f_addr, *f_scope; extern char *f_inet6, *f_addr;
hrsUnsubmitted
Not Done
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Is there any practical use case of f_addr == "full" or f_scope?

I think we should conform to RFC 5952 about the leading zeros even if the fixed-width representation may look useful. And I cannot understand where f_scope == "none" is useful. A scope id is a part of a link-local scope address.

hrs: Is there any practical use case of f_addr == "full" or f_scope? I think we should conform to…
allanjudeAuthorUnsubmitted
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I admit I was just looking to see what else I could do, to make something more robust, rather than just -c and -s for CIDR and subnet.

Removed.

allanjude: I admit I was just looking to see what else I could do, to make something more robust, rather…
extern void setnd6flags(const char *, int, int, const struct afswtch *); extern void setnd6flags(const char *, int, int, const struct afswtch *);
extern void setnd6defif(const char *, int, int, const struct afswtch *); extern void setnd6defif(const char *, int, int, const struct afswtch *);
extern void nd6_status(int); extern void nd6_status(int);
static char addr_buf[MAXHOSTNAMELEN *2 + 1]; /*for getnameinfo()*/ static char addr_buf[NI_MAXHOST]; /*for getnameinfo()*/
static void static void
setifprefixlen(const char *addr, int dummy __unused, int s, setifprefixlen(const char *addr, int dummy __unused, int s,
const struct afswtch *afp) const struct afswtch *afp)
{ {
if (afp->af_getprefix != NULL) if (afp->af_getprefix != NULL)
afp->af_getprefix(addr, MASK); afp->af_getprefix(addr, MASK);
explicit_prefix = 1; explicit_prefix = 1;
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static void static void
in6_status(int s __unused, const struct ifaddrs *ifa) in6_status(int s __unused, const struct ifaddrs *ifa)
{ {
struct sockaddr_in6 *sin, null_sin; struct sockaddr_in6 *sin, null_sin;
struct in6_ifreq ifr6; struct in6_ifreq ifr6;
int s6; int s6;
u_int32_t flags6; u_int32_t flags6;
const u_int16_t *a;
struct in6_addrlifetime lifetime; struct in6_addrlifetime lifetime;
struct timespec now; struct timespec now;
int error, n_flags, i; int error, n_flags;
clock_gettime(CLOCK_MONOTONIC_FAST, &now); clock_gettime(CLOCK_MONOTONIC_FAST, &now);
memset(&null_sin, 0, sizeof(null_sin)); memset(&null_sin, 0, sizeof(null_sin));
sin = (struct sockaddr_in6 *)ifa->ifa_addr; sin = (struct sockaddr_in6 *)ifa->ifa_addr;
if (sin == NULL) if (sin == NULL)
return; return;
Show All 15 Linesin6_status(int s __unused, const struct ifaddrs *ifa)
if (ioctl(s6, SIOCGIFALIFETIME_IN6, &ifr6) < 0) { if (ioctl(s6, SIOCGIFALIFETIME_IN6, &ifr6) < 0) {
warn("ioctl(SIOCGIFALIFETIME_IN6)"); warn("ioctl(SIOCGIFALIFETIME_IN6)");
close(s6); close(s6);
return; return;
} }
lifetime = ifr6.ifr_ifru.ifru_lifetime; lifetime = ifr6.ifr_ifru.ifru_lifetime;
close(s6); close(s6);
if (f_addr != NULL && strcmp(f_addr, "full") == 0) {
a = (const u_int16_t *)&sin->sin6_addr;
printf("\tinet6 ");
for (i = 0; i < 8; i++) {
printf("%04hx", ntohs(*(a + i)));
if (i < 7)
printf(":");
}
} else {
if (f_addr != NULL && strcmp(f_addr, "fqdn") == 0) if (f_addr != NULL && strcmp(f_addr, "fqdn") == 0)
n_flags = 0; n_flags = 0;
else if (f_addr != NULL && strcmp(f_addr, "host") == 0) else if (f_addr != NULL && strcmp(f_addr, "host") == 0)
n_flags = NI_NOFQDN; n_flags = NI_NOFQDN;
else else
n_flags = NI_NUMERICHOST; n_flags = NI_NUMERICHOST;
error = getnameinfo((struct sockaddr *)sin, sin->sin6_len, error = getnameinfo((struct sockaddr *)sin, sin->sin6_len,
addr_buf, sizeof(addr_buf), NULL, 0, addr_buf, sizeof(addr_buf), NULL, 0,
n_flags); n_flags);
if (error != 0 || if (error != 0)
(f_scope != NULL && strcmp(f_scope, "none") == 0))
inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf, inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf,
sizeof(addr_buf)); sizeof(addr_buf));
printf("\tinet6 %s", addr_buf); printf("\tinet6 %s", addr_buf);
}
if (ifa->ifa_flags & IFF_POINTOPOINT) { if (ifa->ifa_flags & IFF_POINTOPOINT) {
sin = (struct sockaddr_in6 *)ifa->ifa_dstaddr; sin = (struct sockaddr_in6 *)ifa->ifa_dstaddr;
/* /*
* some of the interfaces do not have valid destination * some of the interfaces do not have valid destination
* address. * address.
*/ */
if (sin != NULL && sin->sin6_family == AF_INET6) { if (sin != NULL && sin->sin6_family == AF_INET6) {
Show All 32 Lines if ((flags6 & IN6_IFF_DEPRECATED) != 0)
printf("deprecated "); printf("deprecated ");
if ((flags6 & IN6_IFF_AUTOCONF) != 0) if ((flags6 & IN6_IFF_AUTOCONF) != 0)
printf("autoconf "); printf("autoconf ");
if ((flags6 & IN6_IFF_TEMPORARY) != 0) if ((flags6 & IN6_IFF_TEMPORARY) != 0)
printf("temporary "); printf("temporary ");
if ((flags6 & IN6_IFF_PREFER_SOURCE) != 0) if ((flags6 & IN6_IFF_PREFER_SOURCE) != 0)
printf("prefer_source "); printf("prefer_source ");
if ((f_scope == NULL || strcmp(f_scope, "none") != 0) && if (((struct sockaddr_in6 *)(ifa->ifa_addr))->sin6_scope_id)
((struct sockaddr_in6 *)(ifa->ifa_addr))->sin6_scope_id)
printf("scopeid 0x%x ", printf("scopeid 0x%x ",
((struct sockaddr_in6 *)(ifa->ifa_addr))->sin6_scope_id); ((struct sockaddr_in6 *)(ifa->ifa_addr))->sin6_scope_id);
if (ip6lifetime && (lifetime.ia6t_preferred || lifetime.ia6t_expire)) { if (ip6lifetime && (lifetime.ia6t_preferred || lifetime.ia6t_expire)) {
printf("pltime "); printf("pltime ");
if (lifetime.ia6t_preferred) { if (lifetime.ia6t_preferred) {
printf("%s ", lifetime.ia6t_preferred < now.tv_sec printf("%s ", lifetime.ia6t_preferred < now.tv_sec
? "0" : ? "0" :
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