X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=lib%2Flibnfs-sync.c;h=82c09f38e36bb7f6761b33b52b78c98cbbe861c8;hb=1be803ce7f74e7b57d873e7ea718fd00aaee8f7e;hp=4dd224c5cdaaf68f301105271a40f12cc1e163dc;hpb=0b470f1e5efda7e18e9f6f8df785c1caecba44ad;p=deb_libnfs.git diff --git a/lib/libnfs-sync.c b/lib/libnfs-sync.c index 4dd224c..82c09f3 100644 --- a/lib/libnfs-sync.c +++ b/lib/libnfs-sync.c @@ -1206,8 +1206,9 @@ struct nfs_server_list *nfs_find_local_servers(void) struct nfs_list_data data = {0, NULL}; struct timeval tv_start, tv_current; struct ifconf ifc; - int i, size; + int size; struct pollfd pfd; + char *ptr; rpc = rpc_init_udp_context(); if (rpc == NULL) { @@ -1231,6 +1232,7 @@ struct nfs_server_list *nfs_find_local_servers(void) free(ifc.ifc_buf); ifc.ifc_len = size; ifc.ifc_buf = malloc(size); + memset(ifc.ifc_buf, 0, size); if (ioctl(rpc_get_fd(rpc), SIOCGIFCONF, (caddr_t)&ifc) < 0) { rpc_destroy_context(rpc); free(ifc.ifc_buf); @@ -1238,30 +1240,42 @@ struct nfs_server_list *nfs_find_local_servers(void) } } - for (i = 0; (unsigned)i < ifc.ifc_len / sizeof(struct ifconf); i++) { + for (ptr =(char *)ifc.ifc_buf; ptr < ((char *)ifc.ifc_buf) + ifc.ifc_len; ) { + struct ifreq *ifr; char bcdd[16]; - if (ifc.ifc_req[i].ifr_addr.sa_family != AF_INET) { + ifr = (struct ifreq *)ptr; +#if HAVE_SOCKADDR_LEN + if (ifr->ifr_addr.sa_len > sizeof(struct sockaddr)) { + ptr += sizeof(ifr->ifr_name) + ifr->ifr_addr.sa_len; + } else { + ptr += sizeof(ifr->ifr_name) + sizeof(struct sockaddr); + } +#else + ptr += sizeof(struct ifreq); +#endif + + if (ifr->ifr_addr.sa_family != AF_INET) { continue; } - if (ioctl(rpc_get_fd(rpc), SIOCGIFFLAGS, &ifc.ifc_req[i]) < 0) { + if (ioctl(rpc_get_fd(rpc), SIOCGIFFLAGS, ifr) < 0) { rpc_destroy_context(rpc); free(ifc.ifc_buf); return NULL; } - if (!(ifc.ifc_req[i].ifr_flags & IFF_UP)) { + if (!(ifr->ifr_flags & IFF_UP)) { continue; } - if (ifc.ifc_req[i].ifr_flags & IFF_LOOPBACK) { + if (ifr->ifr_flags & IFF_LOOPBACK) { continue; } - if (!(ifc.ifc_req[i].ifr_flags & IFF_BROADCAST)) { + if (!(ifr->ifr_flags & IFF_BROADCAST)) { continue; } - if (ioctl(rpc_get_fd(rpc), SIOCGIFBRDADDR, &ifc.ifc_req[i]) < 0) { + if (ioctl(rpc_get_fd(rpc), SIOCGIFBRDADDR, ifr) < 0) { continue; } - if (getnameinfo(&ifc.ifc_req[i].ifr_broadaddr, sizeof(struct sockaddr_in), &bcdd[0], sizeof(bcdd), NULL, 0, NI_NUMERICHOST) < 0) { + if (getnameinfo(&ifr->ifr_broadaddr, sizeof(struct sockaddr_in), &bcdd[0], sizeof(bcdd), NULL, 0, NI_NUMERICHOST) < 0) { continue; } if (rpc_set_udp_destination(rpc, bcdd, 111, 1) < 0) {