5325036e28
allows us to change the uart(4) driver to not hardcode specific line settings for the serial console. A terminal type of 3wire makes sure the console still works when no DCD signal is present, which preserves behviour. When it is known that the terminal server (or DCE in general) provides DCD, a terminal type/class of std can be used. This has the effect of being logged out when one disconnects from the console -- improving security overall. Likewise, when uart(4) does not fixate the baudrate, one can change the terminal type/class to set a specific baudrate. An operator can use this to change the console speed mid-flight, without needing a reboot. Of course it helps in this respect if and when the firmware can be configured from the OS. The above mentioned capabilities depend on uart(4) being changed, which is to happen next.
37 lines
1.5 KiB
Plaintext
37 lines
1.5 KiB
Plaintext
#
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# $FreeBSD$
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# @(#)ttys 5.1 (Berkeley) 4/17/89
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#
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# This file specifies various information about terminals on the system.
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# It is used by several different programs. Common entries for the
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# various columns include:
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#
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# name The name of the terminal device.
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#
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# getty The program to start running on the terminal. Typically a
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# getty program, as the name implies. Other common entries
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# include none, when no getty is needed, and xdm, to start the
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# X Window System.
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#
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# type The initial terminal type for this port. For hardwired
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# terminal lines, this will contain the type of terminal used.
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# For virtual consoles, the correct type is typically xterm.
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# Other common values include dialup for incoming modem ports, and
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# unknown when the terminal type cannot be predetermined.
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#
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# status Must be on or off. If on, init will run the getty program on
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# the specified port. If the word "secure" appears, this tty
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# allows root login.
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#
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# name getty type status comments
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#
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# If console is marked "insecure", then init will ask for the root password
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# when going to single-user mode.
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console none unknown off secure
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# Serial terminals
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# The 'dialup' keyword identifies dialin lines to login, fingerd etc.
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ttyu0 "/usr/libexec/getty 3wire" vt100 on secure
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ttyu1 "/usr/libexec/getty std.115200" dialup off secure
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ttyu2 "/usr/libexec/getty std.115200" dialup off secure
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ttyu3 "/usr/libexec/getty std.115200" dialup off secure
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