dwatch(1): Use mdo(1) instead of sudo(8) when configured

Reviewed by:	dteske, olce
Approved by:	christos (mentor)
MFC after:	1 week
Sponsored by:	fme AG
Differential Revision:	https://reviews.freebsd.org/D60408

(cherry picked from commit b6a573aa77)

cddl/usr.sbin/dwatch/dwatch

@@ -717,8 +717,9 @@ pproc_dump()
 
 ############################################################ MAIN
 
-# If we're running as root, no need for sudo(8)
+# If we're running as root, no need for mdo(1) or sudo(8)
 [ "$( id -u )" != 0 ] && type sudo > /dev/null 2>&1 && SUDO=sudo
+[ "$( id -u )" != 0 ] && mdo true > /dev/null 2>&1 && SUDO=mdo
 
 #
 # Process command-line options

cddl/usr.sbin/dwatch/dwatch.1

@@ -22,7 +22,7 @@
 .\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd April 18, 2025
+.Dd October 6, 2026
 .Dt DWATCH 1
 .Os
 .Sh NAME
@@ -65,7 +65,9 @@ The
 utility uses
 .Xr dtrace 1
 to display process info when a given DTrace probe point is triggered.
-Only the root user or users with
+Only the root user or users with either
+.Xr mdo 1
+or
 .Xr sudo 8 Pq Pa ports/security/sudo
 access can run this command.
 .Pp