Specify the family at run-time for TCP/UDP servers

This is still using IPv4 by default for the moment.

server/fwknopd.c

@@ -259,7 +259,7 @@ main(int argc, char **argv)
         if(opts.enable_udp_server ||
                 strncasecmp(opts.config[CONF_ENABLE_UDP_SERVER], "Y", 1) == 0)
         {
-            if(run_udp_server(&opts) < 0)
+            if(run_udp_server(&opts, AF_INET) < 0)
             {
                 log_msg(LOG_ERR, "Fatal run_udp_server() error");
                 clean_exit(&opts, FW_CLEANUP, EXIT_FAILURE);
@@ -280,7 +280,7 @@ main(int argc, char **argv)
         */
         if(strncasecmp(opts.config[CONF_ENABLE_TCP_SERVER], "Y", 1) == 0)
         {
-            if(run_tcp_server(&opts) < 0)
+            if(run_tcp_server(&opts, AF_INET) < 0)
             {
                 log_msg(LOG_ERR, "Fatal run_tcp_server() error");
                 clean_exit(&opts, FW_CLEANUP, EXIT_FAILURE);

server/pcap_capture.c

@@ -211,7 +211,7 @@ pcap_capture(fko_srv_options_t *opts)
 
                     /* Attempt to restart tcp server ? */
                     usleep(1000000);
-                    run_tcp_server(opts);
+                    run_tcp_server(opts, AF_INET);
                 }
             }
 

server/tcp_server.c

@@ -51,9 +51,8 @@
  * the child process or -1 if there is a fork error.
 */
 int
-run_tcp_server(fko_srv_options_t *opts)
+run_tcp_server(fko_srv_options_t *opts, int family)
 {
-    const int           family = AF_INET;
 #if !CODE_COVERAGE
     pid_t               pid, ppid;
 #endif

server/tcp_server.h

@@ -32,7 +32,7 @@
 
 /* Function prototypes
 */
-int run_tcp_server(fko_srv_options_t *opts);
+int run_tcp_server(fko_srv_options_t *opts, int family);
 
 #endif /* TCP_SERVER_H */
 

server/udp_server.c

@@ -50,9 +50,8 @@
 #include <sys/select.h>
 
 int
-run_udp_server(fko_srv_options_t *opts)
+run_udp_server(fko_srv_options_t *opts, int family)
 {
-    const int           family = AF_INET;
     int                 s_sock, sfd_flags, selval, pkt_len;
     int                 rv=1, chk_rm_all=0;
     fd_set              sfd_set;

server/udp_server.h

@@ -32,7 +32,7 @@
 
 /* Function prototypes
 */
-int run_udp_server(fko_srv_options_t *opts);
+int run_udp_server(fko_srv_options_t *opts, int family);
 
 #endif /* UDP_SERVER_H */