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--- lib/sockopt.c.orig Tue Jan 4 10:03:36 2005
+++ lib/sockopt.c Fri Jan 28 17:52:57 2005
@@ -243,6 +243,32 @@
}
+int
+sockopt_tcp_signature (int family, int sock, int enable)
+{
+ int ret;
+
+#if defined(QUAGGA_TCP_MD5SIG) && defined(TCP_MD5SIG)
+ if (family == AF_INET)
+ {
+ ret = setsockopt (sock, IPPROTO_TCP, TCP_MD5SIG,
+ (void *) &enable, sizeof (int));
+ if (ret < 0)
+ {
+ zlog (NULL, LOG_WARNING, "can't set sockopt TCP_MD5SIG %d to socket %d", enable, sock);
+ return -1;
+ }
+ return 0;
+ }
+#endif /* QUAGGA_TCP_MD5SIG */
+
+ /* fallthrough */
+
+ zlog (NULL, LOG_WARNING, "can't set sockopt TCP_MD5SIG on socket %d with family %d",
+ sock, family);
+ return -1;
+}
+
static int
setsockopt_ipv4_ifindex (int sock, int val)
{
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