int
interface_up(char *name)
{
struct ifreq ifr;
int llflag;
strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (ioctl(ifsock, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
warnmsg(LOG_WARNING, __func__, "ioctl(SIOCGIFFLAGS): %s",
strerror(errno));
return(-1);
}
if (!(ifr.ifr_flags & IFF_UP)) {
ifr.ifr_flags |= IFF_UP;
if (ioctl(ifsock, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) {
warnmsg(LOG_ERR, __func__,
"ioctl(SIOCSIFFLAGS): %s", strerror(errno));
}
return(-1);
}
warnmsg(LOG_DEBUG, __func__, "checking if %s is ready...", name);
llflag = get_llflag(name);
if (llflag < 0) {
warnmsg(LOG_WARNING, __func__,
"get_llflag() failed, anyway I'll try");
return 0;
}
if (!(llflag & IN6_IFF_NOTREADY)) {
warnmsg(LOG_DEBUG, __func__,
"%s is ready", name);
return(0);
} else {
if (llflag & IN6_IFF_TENTATIVE) {
warnmsg(LOG_DEBUG, __func__, "%s is tentative",
name);
return IFS_TENTATIVE;
}
if (llflag & IN6_IFF_DUPLICATED)
warnmsg(LOG_DEBUG, __func__, "%s is duplicated",
name);
return -1;
}
}
int
interface_up(char *name)
{
struct ifreq ifr;
struct in6_ndireq nd;
int llflag;
int s;
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
memset(&nd, 0, sizeof(nd));
strlcpy(nd.ifname, name, sizeof(nd.ifname));
if (ioctl(ifsock, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
warnmsg(LOG_WARNING, __func__, "ioctl(SIOCGIFFLAGS): %s",
strerror(errno));
return (-1);
}
if (!(ifr.ifr_flags & IFF_UP)) {
ifr.ifr_flags |= IFF_UP;
if (ioctl(ifsock, SIOCSIFFLAGS, (caddr_t)&ifr) < 0)
warnmsg(LOG_ERR, __func__,
"ioctl(SIOCSIFFLAGS): %s", strerror(errno));
return (-1);
}
if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
warnmsg(LOG_WARNING, __func__, "socket(AF_INET6, SOCK_DGRAM): %s",
strerror(errno));
return (-1);
}
if (ioctl(s, SIOCGIFINFO_IN6, (caddr_t)&nd) < 0) {
warnmsg(LOG_WARNING, __func__, "ioctl(SIOCGIFINFO_IN6): %s",
strerror(errno));
close(s);
return (-1);
}
warnmsg(LOG_DEBUG, __func__, "checking if %s is ready...", name);
if (nd.ndi.flags & ND6_IFF_IFDISABLED) {
if (Fflag) {
nd.ndi.flags &= ~ND6_IFF_IFDISABLED;
if (ioctl(s, SIOCSIFINFO_IN6, (caddr_t)&nd)) {
warnmsg(LOG_WARNING, __func__,
"ioctl(SIOCSIFINFO_IN6): %s",
strerror(errno));
close(s);
return (-1);
}
} else {
warnmsg(LOG_WARNING, __func__,
"%s is disabled.", name);
close(s);
return (-1);
}
}
if (!(nd.ndi.flags & ND6_IFF_ACCEPT_RTADV)) {
if (Fflag) {
nd.ndi.flags |= ND6_IFF_ACCEPT_RTADV;
if (ioctl(s, SIOCSIFINFO_IN6, (caddr_t)&nd)) {
warnmsg(LOG_WARNING, __func__,
"ioctl(SIOCSIFINFO_IN6): %s",
strerror(errno));
close(s);
return (-1);
}
} else {
warnmsg(LOG_WARNING, __func__,
"%s does not accept Router Advertisement.", name);
close(s);
return (-1);
}
}
close(s);
llflag = get_llflag(name);
if (llflag < 0) {
warnmsg(LOG_WARNING, __func__,
"get_llflag() failed, anyway I'll try");
return (0);
}
if (!(llflag & IN6_IFF_NOTREADY)) {
warnmsg(LOG_DEBUG, __func__, "%s is ready", name);
return (0);
} else {
if (llflag & IN6_IFF_TENTATIVE) {
warnmsg(LOG_DEBUG, __func__, "%s is tentative",
name);
return (IFS_TENTATIVE);
}
if (llflag & IN6_IFF_DUPLICATED)
warnmsg(LOG_DEBUG, __func__, "%s is duplicated",
name);
return (-1);
}
}
