network: Update struct type for sock_addr

This allows for expanded storage to handle IPV6 addresses.

Signed-off-by: jomillerOpen <[email protected]>

Author: jomillerOpen

src/flb_network.c

@@ -1807,10 +1807,16 @@ int flb_net_bind_udp(flb_sockfd_t fd, const struct sockaddr *addr,
 flb_sockfd_t flb_net_accept(flb_sockfd_t server_fd)
 {
     flb_sockfd_t remote_fd;
-    struct sockaddr sock_addr;
-    socklen_t socket_size = sizeof(struct sockaddr);
-
-    // return accept(server_fd, &sock_addr, &socket_size);
+    struct sockaddr_storage sock_addr = { 0 };
+    socklen_t socket_size = sizeof(sock_addr);
+
+    /* 
+     * sock_addr used to be a sockaddr struct, but this was too
+     * small of a structure to handle IPV6 addresses (#9053).
+     * This would cause accept() to not accept the connection (with no error),
+     * and a loop would occur continually trying to accept the connection.
+     * The sockaddr_storage can handle both IPV4 and IPV6.
+     */
 
 #ifdef FLB_HAVE_ACCEPT4
     remote_fd = accept4(server_fd, &sock_addr, &socket_size,