network_cmds-606.40.2.tar.gz

[apple/network_cmds.git] / ifconfig.tproj / af_inet6.c

diff --git a/ifconfig.tproj/af_inet6.c b/ifconfig.tproj/af_inet6.c
index 59f8b066ae571c9ce36e879f20ef0d6500711fc0..c32c5c0bbb3e5e2cc72519bafdc6c246b0a63a33 100644 (file)
--- a/ifconfig.tproj/af_inet6.c
+++ b/ifconfig.tproj/af_inet6.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2017 Apple Inc. All rights reserved.
+ * Copyright (c) 2009-2017, 2020 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
@@ -576,6 +576,12 @@ in6_set_tunnel(int s, struct addrinfo *srcres, struct addrinfo *dstres)
                warn("SIOCSIFPHYADDR_IN6");
 }
 
+#ifndef IPV6_ROUTER_MODE_EXCLUSIVE
+#define IPV6_ROUTER_MODE_DISABLED       0
+#define IPV6_ROUTER_MODE_EXCLUSIVE      1
+#define IPV6_ROUTER_MODE_HYBRID         2
+#endif /* IPV6_ROUTER_MODE_EXCLUSIVE */
+
 static void
 in6_set_router(int s, int enable)
 {
@@ -583,12 +589,96 @@ in6_set_router(int s, int enable)
 
        bzero(&ifr, sizeof (ifr));
        strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
-       ifr.ifr_intval = enable;
+       ifr.ifr_intval = (enable == 0)
+               ? IPV6_ROUTER_MODE_DISABLED
+               : IPV6_ROUTER_MODE_EXCLUSIVE;
 
        if (ioctl(s, SIOCSETROUTERMODE_IN6, &ifr) < 0)
                warn("SIOCSETROUTERMODE_IN6");
 }
 
+static int
+routermode_from_string(char * str, int *mode_p)
+{
+       int     success = 1;
+
+       if (strcasecmp(str, "exclusive") == 0 ||
+           strcasecmp(str, "enabled") == 0) {
+               *mode_p = IPV6_ROUTER_MODE_EXCLUSIVE;
+       } else if (strcasecmp(str, "hybrid") == 0) {
+               *mode_p = IPV6_ROUTER_MODE_HYBRID;
+       } else if (strcasecmp(str, "disabled") == 0) {
+               *mode_p = IPV6_ROUTER_MODE_DISABLED;
+       } else {
+               success = 0;
+       }
+       return (success);
+}
+
+static const char *
+routermode_string(int mode)
+{
+       const char *    str;
+
+       switch (mode) {
+       case IPV6_ROUTER_MODE_EXCLUSIVE:
+               str = "enabled";
+               break;
+       case IPV6_ROUTER_MODE_HYBRID:
+               str = "hybrid";
+               break;
+       case IPV6_ROUTER_MODE_DISABLED:
+               str = "disabled";
+               break;
+       default:
+               str = "<unknown>";
+               break;
+       }
+       return str;
+}
+
+static int
+in6_routermode(int s, int argc, char *const*argv)
+{
+       struct in6_ifreq        ifr;
+       int                     ret;
+
+       bzero(&ifr, sizeof (ifr));
+       strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
+       if (argc == 0) {
+               ret = 0;
+#ifndef SIOCGETROUTERMODE_IN6
+#define SIOCGETROUTERMODE_IN6   _IOWR('i', 137, struct in6_ifreq)
+#endif /* SIOCGETROUTERMODE_IN6 */
+               if (ioctl(s, SIOCGETROUTERMODE_IN6, &ifr) < 0) {
+                       if (argv != NULL) {
+                               warn("SIOCGETROUTERMODE_IN6");
+                       }
+               } else {
+                       /* argv is NULL if we're called from status() */
+                       printf("%s%s\n",
+                              (argv == NULL) ? "\troutermode6: " : "",
+                              routermode_string(ifr.ifr_intval));
+               }
+               ret = 0;
+       } else {
+               int mode;
+
+               if (routermode_from_string(argv[0], &mode) == 0) {
+                       errx(EXIT_FAILURE,
+                            "mode '%s' invalid, must be one of "
+                            "disabled, exclusive, or hybrid",
+                            argv[0]);
+               }
+               ifr.ifr_intval = mode;
+               if (ioctl(s, SIOCSETROUTERMODE_IN6, &ifr) < 0) {
+                       warn("SIOCSETROUTERMODE_IN6");
+               }
+               ret = 1;
+       }
+       return ret;
+}
+
 static struct cmd inet6_cmds[] = {
        DEF_CMD_ARG("prefixlen",                        setifprefixlen),
        DEF_CMD("anycast",      IN6_IFF_ANYCAST,        setip6flags),
@@ -635,6 +725,7 @@ static struct afswtch af_inet6 = {
        .af_status_tunnel = in6_status_tunnel,
        .af_settunnel   = in6_set_tunnel,
        .af_setrouter   = in6_set_router,
+       .af_routermode  = in6_routermode,
        .af_difaddr     = SIOCDIFADDR_IN6,
        .af_aifaddr     = SIOCAIFADDR_IN6,
        .af_ridreq      = &in6_ridreq,