diff options
| -rw-r--r-- | src/network/getifaddrs.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/network/getifaddrs.c b/src/network/getifaddrs.c index 89a8f729..fed75bd8 100644 --- a/src/network/getifaddrs.c +++ b/src/network/getifaddrs.c @@ -162,13 +162,26 @@ static int netlink_msg_to_ifaddr(void *pctx, struct nlmsghdr *h) for (rta = NLMSG_RTA(h, sizeof(*ifa)); NLMSG_RTAOK(rta, h); rta = RTA_NEXT(rta)) { switch (rta->rta_type) { case IFA_ADDRESS: - copy_addr(&ifs->ifa.ifa_addr, ifa->ifa_family, &ifs->addr, RTA_DATA(rta), RTA_DATALEN(rta), ifa->ifa_index); + /* If ifa_addr is already set we, received an IFA_LOCAL before + * so treat this as destination address */ + if (ifs->ifa.ifa_addr) + copy_addr(&ifs->ifa.ifa_dstaddr, ifa->ifa_family, &ifs->ifu, RTA_DATA(rta), RTA_DATALEN(rta), ifa->ifa_index); + else + copy_addr(&ifs->ifa.ifa_addr, ifa->ifa_family, &ifs->addr, RTA_DATA(rta), RTA_DATALEN(rta), ifa->ifa_index); break; case IFA_BROADCAST: - /* For point-to-point links this is peer, but ifa_broadaddr - * and ifa_dstaddr are union, so this works for both. */ copy_addr(&ifs->ifa.ifa_broadaddr, ifa->ifa_family, &ifs->ifu, RTA_DATA(rta), RTA_DATALEN(rta), ifa->ifa_index); break; + case IFA_LOCAL: + /* If ifa_addr is set and we get IFA_LOCAL, assume we have + * a point-to-point network. Move address to correct field. */ + if (ifs->ifa.ifa_addr) { + ifs->ifu = ifs->addr; + ifs->ifa.ifa_dstaddr = &ifs->ifu.sa; + memset(&ifs->addr, 0, sizeof(ifs->addr)); + } + copy_addr(&ifs->ifa.ifa_addr, ifa->ifa_family, &ifs->addr, RTA_DATA(rta), RTA_DATALEN(rta), ifa->ifa_index); + break; case IFA_LABEL: if (RTA_DATALEN(rta) < sizeof(ifs->name)) { memcpy(ifs->name, RTA_DATA(rta), RTA_DATALEN(rta)); |