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Diffstat (limited to 'source4/lib/socket/netif.c')
-rw-r--r-- | source4/lib/socket/netif.c | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/source4/lib/socket/netif.c b/source4/lib/socket/netif.c deleted file mode 100644 index e36f268bde..0000000000 --- a/source4/lib/socket/netif.c +++ /dev/null @@ -1,127 +0,0 @@ -/* - Unix SMB/CIFS implementation. - return a list of network interfaces - Copyright (C) Andrew Tridgell 1998 - Copyright (C) Jeremy Allison 2007 - Copyright (C) Jelmer Vernooij 2007 - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. -*/ - - -/* working out the interfaces for a OS is an incredibly non-portable - thing. We have several possible implementations below, and autoconf - tries each of them to see what works - - Note that this file does _not_ include includes.h. That is so this code - can be called directly from the autoconf tests. That also means - this code cannot use any of the normal Samba debug stuff or defines. - This is standalone code. - -*/ - -#include "includes.h" -#include "system/network.h" -#include "netif.h" -#include "lib/util/tsort.h" - -/**************************************************************************** - Try the "standard" getifaddrs/freeifaddrs interfaces. - Also gets IPv6 interfaces. -****************************************************************************/ - -/**************************************************************************** - Get the netmask address for a local interface. -****************************************************************************/ - -static int _get_interfaces(struct iface_struct *ifaces, int max_interfaces) -{ - struct ifaddrs *iflist = NULL; - struct ifaddrs *ifptr = NULL; - int total = 0; - - if (getifaddrs(&iflist) < 0) { - return -1; - } - - /* Loop through interfaces, looking for given IP address */ - for (ifptr = iflist, total = 0; - ifptr != NULL && total < max_interfaces; - ifptr = ifptr->ifa_next) { - - memset(&ifaces[total], '\0', sizeof(ifaces[total])); - - if (!ifptr->ifa_addr || !ifptr->ifa_netmask) { - continue; - } - - /* Check the interface is up. */ - if (!(ifptr->ifa_flags & IFF_UP)) { - continue; - } - - /* We don't support IPv6 *yet* */ - if (ifptr->ifa_addr->sa_family != AF_INET) { - continue; - } - - ifaces[total].ip = ((struct sockaddr_in *)ifptr->ifa_addr)->sin_addr; - ifaces[total].netmask = ((struct sockaddr_in *)ifptr->ifa_netmask)->sin_addr; - - strlcpy(ifaces[total].name, ifptr->ifa_name, - sizeof(ifaces[total].name)); - total++; - } - - freeifaddrs(iflist); - - return total; -} - -static int iface_comp(struct iface_struct *i1, struct iface_struct *i2) -{ - int r; - r = strcmp(i1->name, i2->name); - if (r) return r; - r = ntohl(i1->ip.s_addr) - ntohl(i2->ip.s_addr); - if (r) return r; - r = ntohl(i1->netmask.s_addr) - ntohl(i2->netmask.s_addr); - return r; -} - -/* this wrapper is used to remove duplicates from the interface list generated - above */ -int get_interfaces(struct iface_struct *ifaces, int max_interfaces) -{ - int total, i, j; - - total = _get_interfaces(ifaces, max_interfaces); - if (total <= 0) return total; - - /* now we need to remove duplicates */ - TYPESAFE_QSORT(ifaces, total, iface_comp); - - for (i=1;i<total;) { - if (iface_comp(&ifaces[i-1], &ifaces[i]) == 0) { - for (j=i-1;j<total-1;j++) { - ifaces[j] = ifaces[j+1]; - } - total--; - } else { - i++; - } - } - - return total; -} |