X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fnet_setup.c;h=d78912614762a65d9d5e2ec14e2398457cbf2cce;hb=f41e5faeaae94973ef1040356532afa277ae130f;hp=618163162253144d9c0cc0bae0d6722051e1c715;hpb=01053c258e27dfd7c2009b0d2d251ea0dc96b15f;p=tinc

diff --git a/src/net_setup.c b/src/net_setup.c
index 61816316..d7891261 100644
--- a/src/net_setup.c
+++ b/src/net_setup.c
@@ -1,7 +1,7 @@
 /*
     net_setup.c -- Setup.
     Copyright (C) 1998-2005 Ivo Timmermans,
-                  2000-2017 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2021 Guus Sliepen <guus@tinc-vpn.org>
                   2006      Scott Lamb <slamb@slamb.org>
                   2010      Brandon Black <blblack@gmail.com>
 
@@ -935,6 +935,8 @@ static bool setup_myself(void) {
 			logger(DEBUG_ALWAYS, LOG_ERR, "UDPRcvBuf cannot be negative!");
 			return false;
 		}
+
+		udp_rcvbuf_warnings = true;
 	}
 
 	if(get_config_int(lookup_config(config_tree, "UDPSndBuf"), &udp_sndbuf)) {
@@ -942,6 +944,8 @@ static bool setup_myself(void) {
 			logger(DEBUG_ALWAYS, LOG_ERR, "UDPSndBuf cannot be negative!");
 			return false;
 		}
+
+		udp_sndbuf_warnings = true;
 	}
 
 	get_config_int(lookup_config(config_tree, "FWMark"), &fwmark);
@@ -1019,8 +1023,49 @@ static bool setup_myself(void) {
 	/* Compression */
 
 	if(get_config_int(lookup_config(config_tree, "Compression"), &myself->incompression)) {
-		if(myself->incompression < 0 || myself->incompression > 11) {
+		switch(myself->incompression) {
+		case 12:
+#ifdef HAVE_LZ4
+			break;
+#else
+			logger(DEBUG_ALWAYS, LOG_ERR, "Bogus compression level!");
+			logger(DEBUG_ALWAYS, LOG_ERR, "LZ4 compression is unavailable on this node.");
+			return false;
+#endif
+
+		case 11:
+		case 10:
+#ifdef HAVE_LZO
+			break;
+#else
+			logger(DEBUG_ALWAYS, LOG_ERR, "Bogus compression level!");
+			logger(DEBUG_ALWAYS, LOG_ERR, "LZO compression is unavailable on this node.");
+			return false;
+#endif
+
+		case 9:
+		case 8:
+		case 7:
+		case 6:
+		case 5:
+		case 4:
+		case 3:
+		case 2:
+		case 1:
+#ifdef HAVE_ZLIB
+			break;
+#else
+			logger(DEBUG_ALWAYS, LOG_ERR, "Bogus compression level!");
+			logger(DEBUG_ALWAYS, LOG_ERR, "ZLIB compression is unavailable on this node.");
+			return false;
+#endif
+
+		case 0:
+			break;
+
+		default:
 			logger(DEBUG_ALWAYS, LOG_ERR, "Bogus compression level!");
+			logger(DEBUG_ALWAYS, LOG_ERR, "Compression level %i is unrecognized by this node.", myself->incompression);
 			return false;
 		}
 	} else {