Added group= facility to /etc/ttys for tty grouping for more

more manageable and convenient referencing by login.conf (login
class database) and (e.g.) login.access.

This is the first of a group of commits which implements the login
class capabilities database.

4 files changed, 38 insertions, 11 deletions

diff --git a/include/ttyent.h b/include/ttyent.h
index e95db25..accaf9c 100644
--- a/include/ttyent.h
+++ b/include/ttyent.h
@@ -42,6 +42,8 @@
 #define	_TTYS_ON	"on"
 #define	_TTYS_SECURE	"secure"
 #define	_TTYS_WINDOW	"window"
+#define	_TTYS_GROUP	"group"
+#define _TTYS_NOGROUP	"none"
 
 struct ttyent {
 	char	*ty_name;	/* terminal device name */
@@ -52,6 +54,7 @@ struct ttyent {
 	int	ty_status;	/* status flags */
 	char 	*ty_window;	/* command to start up window manager */
 	char	*ty_comment;	/* comment field */
+	char	*ty_group;	/* tty group */
 };
 
 #include <sys/cdefs.h>
diff --git a/lib/libc/gen/getttyent.3 b/lib/libc/gen/getttyent.3
index 7ee453d..0bbd850 100644
--- a/lib/libc/gen/getttyent.3
+++ b/lib/libc/gen/getttyent.3
@@ -31,7 +31,7 @@
 .\"
 .\"     @(#)getttyent.3	8.1 (Berkeley) 6/4/93
 .\"
-.Dd June 4, 1993
+.Dd November 17, 1996
 .Dt GETTTYENT 3
 .Os BSD 4.3
 .Sh NAME
@@ -69,6 +69,7 @@ struct ttyent {
 	int	ty_status;	/* flag values */
 	char	*ty_window;	/* command for window manager */
 	char	*ty_comment;	/* comment field */
+	char	*ty_group;	/* tty group name */
 };
 .Ed
 .Pp
@@ -98,6 +99,10 @@ Allow users with a uid of 0 to login on this terminal.
 .El
 .It Fa ty_window
 The command to execute for a window system associated with the line.
+.It Fa ty_group
+A group name to which the tty belongs.
+If no group is specified in the ttys description file,
+then the tty is placed in an anonymous group called "none".
 .It Fa ty_comment
 Any trailing comment field, with any leading hash marks (``#'') or
 whitespace removed.
diff --git a/lib/libc/gen/getttyent.c b/lib/libc/gen/getttyent.c
index 5d40ac9..db615cb 100644
--- a/lib/libc/gen/getttyent.c
+++ b/lib/libc/gen/getttyent.c
@@ -110,6 +110,7 @@ getttyent()
 	}
 	tty.ty_status = 0;
 	tty.ty_window = NULL;
+	tty.ty_group  = _TTYS_NOGROUP;
 
 #define	scmp(e)	!strncmp(p, e, sizeof(e) - 1) && isspace(p[sizeof(e) - 1])
 #define	vcmp(e)	!strncmp(p, e, sizeof(e) - 1) && p[sizeof(e) - 1] == '='
@@ -122,6 +123,8 @@ getttyent()
 			tty.ty_status |= TTY_SECURE;
 		else if (vcmp(_TTYS_WINDOW))
 			tty.ty_window = value(p);
+		else if (vcmp(_TTYS_GROUP))
+			tty.ty_group = value(p);
 		else
 			break;
 	}
diff --git a/libexec/getty/ttys.5 b/libexec/getty/ttys.5
index 7b65526..7337810 100644
--- a/libexec/getty/ttys.5
+++ b/libexec/getty/ttys.5
@@ -30,9 +30,9 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)ttys.5	8.1 (Berkeley) 6/4/93
-.\"	$Id: ttys.5,v 1.1.1.2 1996/04/13 15:33:16 joerg Exp $
+.\"	$Id: ttys.5,v 1.3 1996/05/05 19:01:13 joerg Exp $
 .\" "
-.Dd June 4, 1993
+.Dd November 17, 1996
 .Dt TTYS 5
 .Os
 .Sh NAME
@@ -86,10 +86,15 @@ or
 The remaining fields set flags in the
 .Fa ty_status
 entry (see
-.Xr getttyent 3 )
-or specify a window system process that
+.Xr getttyent 3 ),
+specify a window system process that
 .Xr init 8
-will maintain for the terminal line.
+will maintain for the terminal line, or specify a tty group
+name that allows the login class database (see
+.Xr login.conf 5 )
+to refer to many ttys as a group, to selectively allow or
+deny access or enable or disable accounting facilities for
+ttys as a group.
 .Pp
 As flag values, the strings ``on'' and ``off'' specify that
 .Xr init
@@ -117,21 +122,31 @@ string which
 will execute
 .Em before
 starting the command specified by the second field.
+.Pp
+The string ``group='' may be followed by a group name comprised of
+alphanumeric characters that can be used by
+.Xr login.group 5
+to refer to many tty lines as a group to enable or disable access
+and accounting facilities.
+If no group is specified, then the tty becomes a member of the group
+"none".
+For backwards compatibility, the ``group='' should appear last on the
+line, immediately before the optional comment.
 .Sh EXAMPLES
 .Bd -literal
 # root login on console at 1200 baud
 console	"/usr/libexec/getty std.1200"	vt100	on secure
 # dialup at 1200 baud, no root logins
-ttyd0	"/usr/libexec/getty d1200"	dialup	on	# 555-1234
+ttyd0	"/usr/libexec/getty d1200"	dialup	on group=dialup	# 555-1234
 # Mike's terminal: hp2621
-ttyh0	"/usr/libexec/getty std.9600"	hp2621-nl	on	# 457 Evans
+ttyh0	"/usr/libexec/getty std.9600"	hp2621-nl	on group=dialup	# 457 Evans
 # John's terminal: vt100
-ttyh1	"/usr/libexec/getty std.9600"	vt100	on		# 459 Evans
+ttyh1	"/usr/libexec/getty std.9600"	vt100	on group=dialup		# 459 Evans
 # terminal emulate/window system
 ttyv0	"/usr/new/xterm -L :0"		vs100	on window="/usr/new/Xvs100 0"
 # Network pseudo ttys -- don't enable getty
-ttyp0	none	network
-ttyp1	none	network	off
+ttyp0	none	network 	group=pty
+ttyp1	none	network	off	group=pty
 .Ed
 .Sh FILES
 .Bl -tag -width /etc/ttys -compact
@@ -142,6 +157,7 @@ ttyp1	none	network	off
 .Xr getttyent 3 ,
 .Xr ttyslot 3 ,
 .Xr gettytab 5 ,
+.Xr login.conf 5 ,
 .Xr termcap 5 ,
 .Xr getty 8 ,
 .Xr init 8