Increase algorithm list buffer length

--HG--
extra : convert_revision : c821fb2723909e932bb390b2eb46a9e0c6f28c30

common-algo.c

@@ -210,7 +210,7 @@ int have_algo(char* algo, size_t algolen, algo_type algos[]) {
 void buf_put_algolist(buffer * buf, algo_type localalgos[]) {
 
 	unsigned int pos = 0, i, len;
-	char str[50]; /* enough for local algo storage */
+	char str[MAX_ALGO_LIST_LEN];
 
 	for (i = 0; localalgos[i].name != NULL; i++) {
 		if (localalgos[i].usable) {

options.h

@@ -289,6 +289,9 @@ etc) slower (perhaps by 50%). Recommended for most small systems. */
 
 #define MAX_PROPOSED_ALGO 20
 
+#define MAX_ALGO_LIST_LEN 100 /* max length of our sent algorithm list
+								 (cipher is longest) */
+
 /* size/count limits */
 #define MAX_LISTEN_ADDR 10