diff options
Diffstat (limited to 'source4/lib/socket/netif.c')
| -rw-r--r-- | source4/lib/socket/netif.c | 63 |
1 files changed, 62 insertions, 1 deletions
diff --git a/source4/lib/socket/netif.c b/source4/lib/socket/netif.c index d85bf4c716..cd9ea6c977 100644 --- a/source4/lib/socket/netif.c +++ b/source4/lib/socket/netif.c @@ -2,6 +2,8 @@ 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 @@ -40,7 +42,6 @@ #include <netdb.h> #include <sys/ioctl.h> #include <netdb.h> -#include <sys/ioctl.h> #include <sys/time.h> #include <sys/socket.h> #include <netinet/in.h> @@ -76,12 +77,72 @@ #define QSORT_CAST (int (*)(const void *, const void *)) #endif +#ifdef HAVE_IFADDRS_H +#include <ifaddrs.h> +#endif + #ifdef HAVE_NET_IF_H #include <net/if.h> #endif #include "netif.h" +/**************************************************************************** + Try the "standard" getifaddrs/freeifaddrs interfaces. + Also gets IPv6 interfaces. +****************************************************************************/ + +#if HAVE_IFACE_GETIFADDRS +/**************************************************************************** + 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; +} + +#define _FOUND_IFACE_ANY +#endif /* HAVE_IFACE_GETIFADDRS */ #if HAVE_IFACE_IFCONF /* this works for Linux 2.2, Solaris 2.5, SunOS4, HPUX 10.20, OSF1 |