OpenSolaris Launch

2 files changed, 105 insertions, 0 deletions

diff --git a/usr/src/cmd/chroot/Makefile b/usr/src/cmd/chroot/Makefile
new file mode 100644
index 0000000000..4e294c0cab
--- /dev/null
+++ b/usr/src/cmd/chroot/Makefile
@@ -0,0 +1,44 @@
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+#ident	"%Z%%M%	%I%	%E% SMI"
+#
+# Copyright (c) 1989 by Sun Microsystems, Inc.
+#
+
+PROG= chroot
+
+include ../Makefile.cmd
+
+.KEEP_STATE:
+
+all: $(PROG) 
+
+install: all $(ROOTUSRSBINPROG)
+	$(RM) $(ROOTETCPROG)
+	-$(SYMLINK) ../usr/sbin/$(PROG) $(ROOTETCPROG)
+
+clean:
+
+lint:	lint_PROG
+
+include ../Makefile.targ
diff --git a/usr/src/cmd/chroot/chroot.c b/usr/src/cmd/chroot/chroot.c
new file mode 100644
index 0000000000..78563b9108
--- /dev/null
+++ b/usr/src/cmd/chroot/chroot.c
@@ -0,0 +1,61 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.8	*/
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+int
+main(int argc, char **argv)
+{
+	if (argc < 3) {
+		(void) fprintf(stderr,
+		    "usage: chroot rootdir command [arg ...]\n");
+		exit(1);
+	}
+
+	if (chroot(argv[1]) != 0) {
+		(void) fprintf(stderr, "chroot(\"%s\"): %s\n", argv[1],
+		    strerror(errno));
+		exit(1);
+	}
+
+	if (chdir("/") != 0) {
+		(void) fprintf(stderr, "Can't chdir to new root\n");
+		exit(1);
+	}
+
+	(void) execv(argv[2], &argv[2]);
+	perror("chroot: exec failed");
+	return (1);
+}