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/*
* 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"
#include "run_command.h"
#include "lladdr.h"
int
set_lladdr(openvpn_net_ctx_t *ctx, const char *ifname, const char *lladdr,
const struct env_set *es)
{
int r;
if (!ifname || !lladdr)
{
return -1;
}
#if defined(TARGET_LINUX)
uint8_t addr[ETH_ALEN];
sscanf(lladdr, MAC_FMT, MAC_SCAN_ARG(addr));
r = (net_addr_ll_set(ctx, ifname, addr) == 0);
#else /* if defined(TARGET_LINUX) */
struct argv argv = argv_new();
#if 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 /* if defined(TARGET_SOLARIS) */
msg(M_WARN, "Sorry, but I don't know how to configure link layer addresses on this operating system.");
return -1;
#endif /* if defined(TARGET_SOLARIS) */
argv_msg(M_INFO, &argv);
r = openvpn_execve_check(&argv, es, M_WARN, "ERROR: Unable to set link layer address.");
argv_free(&argv);
#endif /* if defined(TARGET_LINUX) */
if (r)
{
msg(M_INFO, "TUN/TAP link layer address set to %s", lladdr);
}
return r;
}
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