X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/c44bf5bd7bf680c21356864ac5ae72ab29e55ce6..c606c42da46efa232c1f29791877f07d98da262e:/plink.c

diff --git a/plink.c b/plink.c
index 0f764cf3..41a5001e 100644
--- a/plink.c
+++ b/plink.c
@@ -240,6 +240,7 @@ static void usage(void)
     printf("  -1 -2     force use of particular protocol version\n");
     printf("  -C        enable compression\n");
     printf("  -i key    private key file for authentication\n");
+    printf("  -s        remote command is an SSH subsystem (SSH-2 only)\n");
     exit(1);
 }
 
@@ -279,6 +280,7 @@ int main(int argc, char **argv)
     int connopen;
     int exitcode;
     int errors;
+    int use_subsystem = 0;
 
     ssh_get_line = console_get_line;
 
@@ -331,6 +333,9 @@ int main(int argc, char **argv)
 		continue;
 	    } else if (!strcmp(p, "-batch")) {
 		console_batch_mode = 1;
+	    } else if (!strcmp(p, "-s")) {
+		/* Save status to write to cfg later. */
+		use_subsystem = 1;
 	    } else {
 		fprintf(stderr, "plink: unknown option \"%s\"\n", p);
 		errors = 1;
@@ -489,6 +494,12 @@ int main(int argc, char **argv)
     cmdline_run_saved(&cfg);
 
     /*
+     * Apply subsystem status.
+     */
+    if (use_subsystem)
+	cfg.ssh_subsys = TRUE;
+
+    /*
      * Trim a colon suffix off the hostname if it's there.
      */
     cfg.host[strcspn(cfg.host, ":")] = '\0';
@@ -558,7 +569,7 @@ int main(int argc, char **argv)
      */
     netevent = CreateEvent(NULL, FALSE, FALSE, NULL);
     {
-	char *error;
+	const char *error;
 	char *realhost;
 	/* nodelay is only useful if stdin is a character device (console) */
 	int nodelay = cfg.tcp_nodelay &&