X-Git-Url: http://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fnet_setup.c;h=1ecb3c65f2cdf697ab111e946f7e8bedd5af5c1e;hb=cfe507c299935bd231be698b8a426cc730f52936;hp=82f9bbcdfcd1eca64791fcd959ac5754549e70d5;hpb=0345a1468613e1ba4a4aa6dbbef44a26f1eb42d9;p=tinc

diff --git a/src/net_setup.c b/src/net_setup.c
index 82f9bbcd..1ecb3c65 100644
--- a/src/net_setup.c
+++ b/src/net_setup.c
@@ -1019,8 +1019,49 @@ 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 {