openvt applet by Quy Tonthat

1 files changed, 84 insertions, 0 deletions

diff --git a/console-tools/openvt.c b/console-tools/openvt.c
new file mode 100644
index 0000000..3373edd
--- /dev/null
+++ b/console-tools/openvt.c
@@ -0,0 +1,84 @@
+/* vi: set sw=4 ts=4: */
+
+/*
+ * openvt.c - open a vt to run a command.
+ *
+ * busyboxed by Quy Tonthat <quy@signal3.com>
+ */
+
+/* getopt not needed */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/types.h>
+#include "busybox.h"
+
+#define VTNAME "/dev/tty%d"
+
+int openvt_main(int argc, char **argv)
+{
+	int pid;
+	int fd;
+	int vtno;
+	char vtname[sizeof VTNAME + 2];
+	char * cmd = NULL;
+	char * cmd_args = NULL;
+
+	if (argc < 3)
+        show_usage();
+
+	if (!isdigit(argv[1][0]))
+	        show_usage();
+
+	vtno = (int) atol(argv[1]);
+
+	/* if (vtno <= 0 || vtno > 63) */
+	if (vtno <= 0 || vtno > 12)
+		error_msg_and_die("Illegal vt number (%d)", vtno);	  
+
+	sprintf(vtname, VTNAME, vtno);
+
+	cmd = argv[2];
+	cmd_args = xmalloc(80);
+	cmd_args[0] = '\0';
+
+	if((pid = fork()) == 0) {
+		/* leave current vt */
+
+#ifdef   ESIX_5_3_2_D
+		if (setpgrp() < 0) {
+#else
+		if (setsid() < 0) {
+#endif
+
+			perror_msg_and_die("Unable to set new session");	  
+		}
+		close(0);			/* so that new vt becomes stdin */
+
+		/* and grab new one */
+		if ((fd = open(vtname, O_RDWR)) == -1)
+			perror_msg_and_die("could not open %s", vtname);	  
+
+		/* Reassign stdout and sterr */
+		close(1);
+		close(2);
+		dup(fd);
+		dup(fd);
+
+		execvp(cmd, &argv[2]);
+		/*execlp(cmd, cmd_args);*/
+		_exit(1);
+	}
+	return EXIT_SUCCESS;
+}
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/