mirror of
https://github.com/OpenVPN/openvpn.git
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59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
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/*
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* Support routine for configuring link layer address
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*/
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#ifdef WIN32
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#include "config-win32.h"
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#else
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#include "config.h"
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#endif
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#include "syshead.h"
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#include "error.h"
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#include "misc.h"
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int set_lladdr(const char *ifname, const char *lladdr,
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const struct env_set *es)
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{
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char cmd[256];
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if (!ifname || !lladdr)
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return -1;
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#if defined(TARGET_LINUX)
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#ifdef CONFIG_FEATURE_IPROUTE
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openvpn_snprintf (cmd, sizeof (cmd),
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IPROUTE_PATH " link set addr %s dev %s",
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lladdr, ifname);
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#else
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openvpn_snprintf (cmd, sizeof (cmd),
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IFCONFIG_PATH " %s hw ether %s",
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ifname, lladdr);
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#endif
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#elif defined(TARGET_SOLARIS)
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openvpn_snprintf (cmd, sizeof (cmd),
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IFCONFIG_PATH " %s ether %s",
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ifname, lladdr);
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#elif defined(TARGET_OPENBSD)
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openvpn_snprintf (cmd, sizeof (cmd),
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IFCONFIG_PATH " %s lladdr %s",
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ifname, lladdr);
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#elif defined(TARGET_DARWIN)
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openvpn_snprintf (cmd, sizeof (cmd),
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IFCONFIG_PATH " %s lladdr %s",
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ifname, lladdr);
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#elif defined(TARGET_FREEBSD)
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openvpn_snprintf (cmd, sizeof (cmd),
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IFCONFIG_PATH " %s ether %s",
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ifname, lladdr);
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#else
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msg (M_WARN, "Sorry, but I don't know how to configure link layer addresses on this operating system.");
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return -1;
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#endif
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int r = system_check (cmd, es, M_WARN, "ERROR: Unable to set link layer address.");
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if (r)
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msg (M_INFO, "TUN/TAP link layer address set to %s", lladdr);
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return r;
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}
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