Add detection of UFS filesystems.

PR:		bin/135565
Submitted by:	Daniel O'Connor
Reviewed by:	randi
MFC after:	1 month

1 files changed, 37 insertions, 1 deletions

diff --git a/usr.sbin/sysinstall/ufs.c b/usr.sbin/sysinstall/ufs.c
index c9515ae..d8a6fcf 100644
--- a/usr.sbin/sysinstall/ufs.c
+++ b/usr.sbin/sysinstall/ufs.c
@@ -39,11 +39,47 @@
 #include "sysinstall.h"
 #include <sys/fcntl.h>
 #include <sys/param.h>
+#include <sys/mount.h>
+#include <ufs/ufs/ufsmount.h>
 
-/* No init or shutdown routines necessary - all done in mediaSetUFS() */
+static Boolean UFSMounted;
+static char mountpoint[] = "/dist";
+
+Boolean
+mediaInitUFS(Device *dev)
+{
+    struct ufs_args args;
+
+    if (UFSMounted)
+	return TRUE;
+     
+    Mkdir(mountpoint);
+    memset(&args, 0, sizeof(args));
+    args.fspec = dev->devname;
+
+    if (mount("ufs", mountpoint, MNT_RDONLY, (caddr_t)&args) == -1) {
+	msgConfirm("Error mounting %s on %s: %s (%u)", args.fspec, mountpoint, strerror(errno), errno);
+	return FALSE;
+    }
+    UFSMounted = TRUE;
+    return TRUE;
+}
 
 FILE *
 mediaGetUFS(Device *dev, char *file, Boolean probe)
 {
     return mediaGenericGet((char *)dev->private, file);
 }
+
+void
+mediaShutdownUFS(Device *dev)
+{
+    if (!UFSMounted)
+	return;
+    if (unmount(mountpoint, MNT_FORCE) != 0)
+	msgConfirm("Could not unmount the UFS partition from %s: %s",
+		   mountpoint, strerror(errno));
+    else
+	UFSMounted = FALSE;
+    return;
+}