diff options
Diffstat (limited to 'sbin/ifconfig/ifconfig.c')
| -rw-r--r-- | sbin/ifconfig/ifconfig.c | 51 |
1 files changed, 45 insertions, 6 deletions
diff --git a/sbin/ifconfig/ifconfig.c b/sbin/ifconfig/ifconfig.c index d3a1d0e76fe..02bff1abac1 100644 --- a/sbin/ifconfig/ifconfig.c +++ b/sbin/ifconfig/ifconfig.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ifconfig.c,v 1.66 2002/06/14 01:07:45 itojun Exp $ */ +/* $OpenBSD: ifconfig.c,v 1.67 2002/06/14 09:12:43 itojun Exp $ */ /* $NetBSD: ifconfig.c,v 1.40 1997/10/01 02:19:43 enami Exp $ */ /* @@ -81,7 +81,7 @@ static const char copyright[] = #if 0 static const char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; #else -static const char rcsid[] = "$OpenBSD: ifconfig.c,v 1.66 2002/06/14 01:07:45 itojun Exp $"; +static const char rcsid[] = "$OpenBSD: ifconfig.c,v 1.67 2002/06/14 09:12:43 itojun Exp $"; #endif #endif /* not lint */ @@ -189,6 +189,7 @@ void setia6flags(char *, int); void setia6pltime(char *, int); void setia6vltime(char *, int); void setia6lifetime(char *, char *); +void setia6eui64(const char *, int); #endif void checkatrange(struct sockaddr_at *); void setmedia(char *, int); @@ -266,6 +267,7 @@ const struct cmd { { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, { "pltime", NEXTARG, 0, setia6pltime }, { "vltime", NEXTARG, 0, setia6vltime }, + { "eui64", 0, 0, setia6eui64 }, #endif /*INET6*/ #ifndef INET_ONLY { "range", NEXTARG, 0, setatrange }, @@ -966,6 +968,41 @@ setia6lifetime(cmd, val) in6_addreq.ifra_lifetime.ia6t_pltime = newval; } } + +void +setia6eui64(cmd, val) + const char *cmd; + int val; +{ + struct ifaddrs *ifap, *ifa; + const struct sockaddr_in6 *sin6 = NULL; + const struct in6_addr *lladdr = NULL; + struct in6_addr *in6; + + if (afp->af_af != AF_INET6) + errx(1, "%s not allowed for the AF", cmd); + in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; + if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) + errx(1, "interface index is already filled"); + if (getifaddrs(&ifap) != 0) + err(1, "getifaddrs"); + for (ifa = ifap; ifa; ifa = ifa->ifa_next) { + if (ifa->ifa_addr->sa_family == AF_INET6 && + strcmp(ifa->ifa_name, name) == 0) { + sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; + if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { + lladdr = &sin6->sin6_addr; + break; + } + } + } + if (!lladdr) + errx(1, "could not determine link local address"); + + memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); + + freeifaddrs(ifap); +} #endif void @@ -2554,14 +2591,16 @@ usage() fprintf(stderr, "usage: ifconfig [ -m ] [ -a ] [ -A ] [ interface ]\n" "\t[ [af] [ address [ dest_addr ] ] [ up ] [ down ] " "[ netmask mask ] ]\n" - "\t[media media_type] [mediaopt media_option]\n" + "\t[ media media_type ] [ mediaopt media_option ]\n" "\t[ metric n ]\n" "\t[ mtu n ]\n" - "\t[ nwid netword_id ]\n" - "\t[ tunnel srcaddress dstaddress ]\n" - "\t[ deletetunnel ]\n" + "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" + "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" + "\t[ [af] tunnel srcaddress dstaddress ] [ deletetunnel ]\n" "\t[ vlan n vlandev interface ]\n" "\t[ arp | -arp ]\n" + "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" + "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" "\t[ -802.2 | -802.3 | -802.2tr | -snap | -EtherII ]\n" "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" " ifconfig [-a | -A | -am | -Am] [ af ]\n" |