1 files changed, 140 insertions, 0 deletions
diff --git a/usr/src/cmd/fs.d/lxproc/mount.c b/usr/src/cmd/fs.d/lxproc/mount.c
new file mode 100644
index 0000000000..5a000997bd
--- /dev/null
+++ b/usr/src/cmd/fs.d/lxproc/mount.c
@@ -0,0 +1,140 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (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 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ * Copyright 2012 Joyent, Inc.  All rights reserved.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libintl.h>
+#include <errno.h>
+#include <sys/fstyp.h>
+#include <sys/fsid.h>
+#include <sys/mntent.h>
+#include <sys/mnttab.h>
+#include <sys/mount.h>
+#include <sys/signal.h>
+#include <sys/stat.h>
+#include <fslib.h>
+
+#define	RET_OK		0
+#define	RET_ERR		33
+
+static void usage(void);
+
+static char  optbuf[MAX_MNTOPT_STR] = { '\0', };
+static int   optsize = 0;
+
+static char fstype[] = "lxproc";
+
+/*
+ * usage: mount [-Ormq] [-o options] special mountp
+ *
+ * This mount program is exec'ed by /usr/sbin/mount if '-F lxproc' is
+ * specified.
+ */
+int
+main(int argc, char *argv[])
+{
+	int c;
+	char *special;		/* Entity being mounted */
+	char *mountp;		/* Entity being mounted on */
+	char *savedoptbuf;
+	char *myname;
+	char typename[64];
+	int flags = 0;
+	int errflag = 0;
+	int qflg = 0;
+
+	myname = strrchr(argv[0], '/');
+	myname = myname ? myname+1 : argv[0];
+	(void) snprintf(typename, sizeof (typename), "%s %s", fstype, myname);
+	argv[0] = typename;
+
+	while ((c = getopt(argc, argv, "o:rmOq")) != EOF) {
+		switch (c) {
+		case '?':
+			errflag++;
+			break;
+
+		case 'o':
+			if (strlcpy(optbuf, optarg, sizeof (optbuf)) >=
+			    sizeof (optbuf)) {
+				(void) fprintf(stderr,
+				    gettext("%s: Invalid argument: %s\n"),
+				    myname, optarg);
+				return (2);
+			}
+			optsize = strlen(optbuf);
+			break;
+		case 'O':
+			flags |= MS_OVERLAY;
+			break;
+		case 'r':
+			flags |= MS_RDONLY;
+			break;
+
+		case 'm':
+			flags |= MS_NOMNTTAB;
+			break;
+
+		case 'q':
+			qflg = 1;
+			break;
+
+		default:
+			usage();
+		}
+	}
+	if ((argc - optind != 2) || errflag) {
+		usage();
+	}
+	special = argv[argc - 2];
+	mountp = argv[argc - 1];
+
+	if ((savedoptbuf = strdup(optbuf)) == NULL) {
+		(void) fprintf(stderr, gettext("%s: out of memory\n"),
+		    myname);
+		exit(2);
+	}
+	if (mount(special, mountp, flags | MS_OPTIONSTR, fstype, NULL, 0,
+	    optbuf, MAX_MNTOPT_STR)) {
+		(void) fprintf(stderr, "mount: ");
+		perror(special);
+		exit(RET_ERR);
+	}
+	if (optsize && !qflg)
+		cmp_requested_to_actual_options(savedoptbuf, optbuf,
+		    special, mountp);
+	return (0);
+}
+
+void
+usage(void)
+{
+	(void) fprintf(stderr,
+	    "Usage: mount [-Ormq] [-o options] special mountpoint\n");
+	exit(RET_ERR);
+}