provide hooks and fallbacks for rdomain support

1 files changed, 15 insertions, 0 deletions

diff --git a/sshd.c b/sshd.c
index 1220309d7..535cb97f0 100644
--- a/sshd.c
+++ b/sshd.c
@@ -1372,6 +1372,18 @@ check_ip_options(struct ssh *ssh)
 static void
 set_process_rdomain(struct ssh *ssh, const char *name)
 {
+#if defined(HAVE_SYS_SET_PROCESS_RDOMAIN)
+        if (name == NULL)
+                return; /* default */
+
+        if (strcmp(name, "%D") == 0) {
+                /* "expands" to routing domain of connection */
+                if ((name = ssh_packet_rdomain_in(ssh)) == NULL)
+                        return;
+        }
+        /* NB. We don't pass 'ssh' to sys_set_process_rdomain() */
+        return sys_set_process_rdomain(name);
+#elif defined(__OpenBSD__)
         int rtable, ortable = getrtable();
         const char *errstr;
 
@@ -1391,6 +1403,9 @@ set_process_rdomain(struct ssh *ssh, const char *name)
                 fatal("Unable to set routing domain %d: %s",
                     rtable, strerror(errno));
         debug("%s: set routing domain %d (was %d)", __func__, rtable, ortable);
+#else /* defined(__OpenBSD__) */
+        fatal("Unable to set routing domain: not supported in this platform");
+#endif
 }
 
 /*