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/*
* Support routine for configuring link layer address
*/
#include "syshead.h"
#include "error.h"
#include "misc.h"
int set_lladdr(const char *ifname, const char *lladdr,
const struct env_set *es)
{
char cmd[256];
int r;
if (!ifname || !lladdr)
return -1;
#if defined(TARGET_LINUX)
#ifdef CONFIG_FEATURE_IPROUTE
openvpn_snprintf (cmd, sizeof (cmd),
"%s link set addr %s dev %s",
iproute_path, lladdr, ifname);
#else
openvpn_snprintf (cmd, sizeof (cmd),
IFCONFIG_PATH " %s hw ether %s",
ifname, lladdr);
#endif
#elif defined(TARGET_SOLARIS)
openvpn_snprintf (cmd, sizeof (cmd),
IFCONFIG_PATH " %s ether %s",
ifname, lladdr);
#elif defined(TARGET_OPENBSD)
openvpn_snprintf (cmd, sizeof (cmd),
IFCONFIG_PATH " %s lladdr %s",
ifname, lladdr);
#elif defined(TARGET_DARWIN)
openvpn_snprintf (cmd, sizeof (cmd),
IFCONFIG_PATH " %s lladdr %s",
ifname, lladdr);
#elif defined(TARGET_FREEBSD)
openvpn_snprintf (cmd, sizeof (cmd),
IFCONFIG_PATH " %s ether %s",
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
r = system_check (cmd, es, M_WARN, "ERROR: Unable to set link layer address.");
if (r)
msg (M_INFO, "TUN/TAP link layer address set to %s", lladdr);
return r;
}
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