diff options
Diffstat (limited to 'openvpn/src/openvpn/lladdr.c')
-rw-r--r-- | openvpn/src/openvpn/lladdr.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/openvpn/src/openvpn/lladdr.c b/openvpn/src/openvpn/lladdr.c new file mode 100644 index 00000000..57f447b3 --- /dev/null +++ b/openvpn/src/openvpn/lladdr.c @@ -0,0 +1,67 @@ +/* + * Support routine for configuring link layer address + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#elif defined(_MSC_VER) +#include "config-msvc.h" +#endif + +#include "syshead.h" +#include "error.h" +#include "misc.h" + +int set_lladdr(const char *ifname, const char *lladdr, + const struct env_set *es) +{ + struct argv argv = argv_new (); + int r; + + if (!ifname || !lladdr) + return -1; + +#if defined(TARGET_LINUX) +#ifdef ENABLE_IPROUTE + argv_printf (&argv, + "%s link set addr %s dev %s", + iproute_path, lladdr, ifname); +#else + argv_printf (&argv, + "%s %s hw ether %s", + IFCONFIG_PATH, + ifname, lladdr); +#endif +#elif defined(TARGET_SOLARIS) + argv_printf (&argv, + "%s %s ether %s", + IFCONFIG_PATH, + ifname, lladdr); +#elif defined(TARGET_OPENBSD) + argv_printf (&argv, + "%s %s lladdr %s", + IFCONFIG_PATH, + ifname, lladdr); +#elif defined(TARGET_DARWIN) + argv_printf (&argv, + "%s %s lladdr %s", + IFCONFIG_PATH, + ifname, lladdr); +#elif defined(TARGET_FREEBSD) + argv_printf (&argv, + "%s %s ether %s", + IFCONFIG_PATH, + ifname, lladdr); +#else + msg (M_WARN, "Sorry, but I don't know how to configure link layer addresses on this operating system."); + return -1; +#endif + + argv_msg (M_INFO, &argv); + r = openvpn_execve_check (&argv, es, M_WARN, "ERROR: Unable to set link layer address."); + if (r) + msg (M_INFO, "TUN/TAP link layer address set to %s", lladdr); + + argv_reset (&argv); + return r; +} |