Use variable length arrays instead of alloca().

[tinc] / src / protocol_key.c

diff --git a/src/protocol_key.c b/src/protocol_key.c
index 22692bb..b326b8d 100644 (file)
--- a/src/protocol_key.c
+++ b/src/protocol_key.c
@@ -145,8 +145,6 @@ bool req_key_h(connection_t *c) {
 }
 
 bool send_ans_key(node_t *to) {
-       char *key;
-
        // Set key parameters
        to->incipher = myself->incipher;
        to->inkeylength = myself->inkeylength;
@@ -168,7 +166,7 @@ bool send_ans_key(node_t *to) {
        memset(to->late, 0, sizeof(to->late));
 
        // Convert to hexadecimal and send
-       key = alloca(2 * to->inkeylength + 1);
+       char key[2 * to->inkeylength + 1];
        bin2hex(to->inkey, key, to->inkeylength);
        key[to->inkeylength * 2] = '\0';