diff options
Diffstat (limited to 'sysdep/unix/krt-iface.c')
| -rw-r--r-- | sysdep/unix/krt-iface.c | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/sysdep/unix/krt-iface.c b/sysdep/unix/krt-iface.c index bca70cc..57692eb 100644 --- a/sysdep/unix/krt-iface.c +++ b/sysdep/unix/krt-iface.c @@ -30,7 +30,8 @@ int if_scan_sock = -1; static void scan_ifs(struct ifreq *r, int cnt) { - struct iface i; + struct iface i, *pi; + struct ifa a; char *err; unsigned fl; ip_addr netmask; @@ -40,6 +41,7 @@ scan_ifs(struct ifreq *r, int cnt) for (cnt /= sizeof(struct ifreq); cnt; cnt--, r++) { bzero(&i, sizeof(i)); + bzero(&a, sizeof(a)); DBG("%s\n", r->ifr_name); if (strchr(r->ifr_name, ':')) { @@ -48,17 +50,21 @@ scan_ifs(struct ifreq *r, int cnt) continue; } strncpy(i.name, r->ifr_name, sizeof(i.name) - 1); - get_sockaddr((struct sockaddr_in *) &r->ifr_addr, &i.ip, NULL); - if (ipa_nonzero(i.ip)) + get_sockaddr((struct sockaddr_in *) &r->ifr_addr, &a.ip, NULL); + if (ipa_nonzero(a.ip)) { - l = ipa_classify(i.ip); + l = ipa_classify(a.ip); if (l < 0 || !(l & IADDR_HOST)) { log(L_ERR "%s: Invalid interface address", i.name); - i.ip = IPA_NONE; + a.ip = IPA_NONE; + } + else + { + a.scope = l & IADDR_SCOPE_MASK; + if (a.scope == SCOPE_HOST) + i.flags |= IF_LOOPBACK | IF_IGNORE; } - else if ((l & IADDR_SCOPE_MASK) == SCOPE_HOST) - i.flags |= IF_LOOPBACK | IF_IGNORE; } if (ioctl(if_scan_sock, SIOCGIFFLAGS, r) < 0) @@ -83,15 +89,15 @@ scan_ifs(struct ifreq *r, int cnt) log(L_ERR "%s: Invalid netmask", i.name); goto bad; } - i.pxlen = l; + a.pxlen = l; if (fl & IFF_POINTOPOINT) { i.flags |= IF_UNNUMBERED; - i.pxlen = BITS_PER_IP_ADDRESS; + a.pxlen = BITS_PER_IP_ADDRESS; if (ioctl(if_scan_sock, SIOCGIFDSTADDR, r) < 0) { err = "SIOCGIFDSTADDR"; goto faulty; } - get_sockaddr((struct sockaddr_in *) &r->ifr_addr, &i.opposite, NULL); + get_sockaddr((struct sockaddr_in *) &r->ifr_addr, &a.opposite, NULL); } if (fl & IFF_LOOPBACK) i.flags |= IF_LOOPBACK | IF_IGNORE; @@ -100,24 +106,24 @@ scan_ifs(struct ifreq *r, int cnt) #endif i.flags |= IF_MULTICAST; - i.prefix = ipa_and(i.ip, ipa_mkmask(i.pxlen)); - if (i.pxlen < 32) + a.prefix = ipa_and(a.ip, ipa_mkmask(a.pxlen)); + if (a.pxlen < 32) { - i.brd = ipa_or(i.prefix, ipa_not(ipa_mkmask(i.pxlen))); - if (ipa_equal(i.ip, i.prefix) || ipa_equal(i.ip, i.brd)) + a.brd = ipa_or(a.prefix, ipa_not(ipa_mkmask(a.pxlen))); + if (ipa_equal(a.ip, a.prefix) || ipa_equal(a.ip, a.brd)) { log(L_ERR "%s: Using network or broadcast address for interface", i.name); goto bad; } if (fl & IFF_BROADCAST) i.flags |= IF_BROADCAST; - if (i.pxlen < 30) + if (a.pxlen < 30) i.flags |= IF_MULTIACCESS; else - i.opposite = ipa_opposite(i.ip); + a.opposite = ipa_opposite(a.ip); } else - i.brd = i.opposite; + a.brd = a.opposite; if (ioctl(if_scan_sock, SIOCGIFMTU, r) < 0) { err = "SIOCGIFMTU"; goto faulty; } @@ -132,7 +138,9 @@ scan_ifs(struct ifreq *r, int cnt) /* FIXME: What else? Guess ifindex (we need it at least for OSPF on unnumbered links)? */ #endif - if_update(&i); + pi = if_update(&i); + a.iface = pi; + ifa_update(&a); } if_end_update(); } |