Send broadcast packets using a random socket, and properly support IPv6.

[tinc] / src / net_setup.c

diff --git a/src/net_setup.c b/src/net_setup.c
index 3e435dd..ddb0bcf 100644 (file)
--- a/src/net_setup.c
+++ b/src/net_setup.c
@@ -299,7 +299,7 @@ char *get_name(void) {
                                fprintf(stderr, "Invalid Name: environment variable %s does not exist\n", name + 1);
                                return false;
                        }
-                       envname = alloca(32);
+                       char envname[32];
                        if(gethostname(envname, 32)) {
                                fprintf(stderr, "Could not get hostname: %s\n", strerror(errno));
                                return false;