diff options
Diffstat (limited to 'cli-runopts.c')
| -rw-r--r-- | cli-runopts.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/cli-runopts.c b/cli-runopts.c index f38ccd2..68990fa 100644 --- a/cli-runopts.c +++ b/cli-runopts.c @@ -63,11 +63,14 @@ static void printhelp() { #ifdef ENABLE_CLI_REMOTETCPFWD "-R <listenport:remotehost:remoteport> Remote port forwarding\n" #endif - "-W <receive_window_buffer> (default %d, larger may be faster)\n" + "-W <receive_window_buffer> (default %d, larger may be faster, max 1MB)\n" + "-K <keepalive> (0 is never, default %d)\n" #ifdef DEBUG_TRACE "-v verbose\n" #endif - ,DROPBEAR_VERSION, cli_opts.progname, DEFAULT_RECV_WINDOW); + ,DROPBEAR_VERSION, cli_opts.progname, + DEFAULT_RECV_WINDOW, DEFAULT_KEEPALIVE); + } void cli_getopts(int argc, char ** argv) { @@ -112,6 +115,7 @@ void cli_getopts(int argc, char ** argv) { */ opts.recv_window = DEFAULT_RECV_WINDOW; char* recv_window_arg = NULL; + char* keepalive_arg = NULL; /* Iterate all the arguments */ for (i = 1; i < (unsigned int)argc; i++) { @@ -207,6 +211,9 @@ void cli_getopts(int argc, char ** argv) { case 'W': next = &recv_window_arg; break; + case 'K': + next = &keepalive_arg; + break; #ifdef DEBUG_TRACE case 'v': debug_trace = 1; @@ -302,11 +309,19 @@ void cli_getopts(int argc, char ** argv) { if (recv_window_arg) { opts.recv_window = atol(recv_window_arg); - if (opts.recv_window == 0) + if (opts.recv_window == 0 || opts.recv_window > MAX_RECV_WINDOW) { dropbear_exit("Bad recv window '%s'", recv_window_arg); } } + if (keepalive_arg) { + opts.keepalive_secs = strtoul(keepalive_arg, NULL, 10); + if (opts.keepalive_secs == 0 && errno == EINVAL) + { + dropbear_exit("Bad keepalive '%s'", keepalive_arg); + } + } + } #ifdef ENABLE_CLI_PUBKEY_AUTH |