85 lines
3.6 KiB
Plaintext
85 lines
3.6 KiB
Plaintext
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Subject: What's Hacking VAX Special - 5
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From: David Lightman (Level 30) [A dude who wanted access]
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To: ALL
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Sent: 3/1/90 at 2:56 pm
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TYPE - Shows the contents of a file by sending it to
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the terminal.
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EX: TYPE DAVID.TXT;3
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THE SET COMMAND:
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===============
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The SET command is one of the most widely used and versatile
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commands on the VMS 5 series DCL.
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SET FILE/PROTECTION:
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===================
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I suppose the most frequent use of SET involved the PROTECTION
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option. These protections, known as SOGW or UIC protections, can
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be put on any file or directory that you have WRITE & EXECUTE
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privileges on. Setting the protection involves allowing differ-
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ent users on the VAX to read, write, execute, or delete your file
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or directory. The FILE /PROTECTION option of SET is used to
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accomplish this. An example is:
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SET FILE/PROTECTION=OWNER:E david.exe;4
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If you typed this command in the DCL for a program called
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DAVID.EXE;4 (4 is the version number), then the owner (or crea-
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tor) of the file can do nothing to the file but execute it.
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However, in another example:
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SET FILE/PROTECTION=OWNER:RWED david.exe;4
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you are going to be able to "R"ead, "W"rite, "E"xecute, and
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"D"elete the program. The same applies to a directory. Just
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substitute the directory name for the filename above. When
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creating a directory, the SET is set so that you may not delete
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it. As discussed previously, you will have to issue a "SET
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PROTECTION OWNER:D dirname.dir;1" and "DEL dirname.dir;1" to
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delete the directory.
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Other than the owner, UIC file protection can be placed on any
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of the following:
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WORLD - Any user on the system.
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GROUP - Any user in your group.
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OWNER - Only your account or matching UIC.
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SYSTEM - Anyone that has SYSPRV privileges or the octal UIC
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groups.
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SET TERMINAL:
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============
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This is VERY important to all of us who call into the VAX
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system. If you have a VT100 (not just ANSI), you can use:
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SET TERMINAL/DEVICE_TYPE=VT100
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Additional terminal settings are possible, for example:
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SET TERMINAL/WIDTH=80 - Sets width to 80 columns
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SET TERMINAL/ADVANCED_VIDEO = Sets 124 X 24 lines
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SET TERMINAL/ANSI_CRT = ANSI escape sequences
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SET TERMINAL/AUTOBAUD = Possibly gets higher baud rate
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SET TERMINAL/BROADCAST = Enable messages from SEND, MAIL & PHONE
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SET TERMINAL/DEVICE_TYPE=VT220 - Sets terminal type to VT220
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SET TERMINAL/ECHO = Enables echoing from DCL command line
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SET TERMINAL/FULLDUP = Enables full duplex
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SET TERMINAL/HANGUP = Causes account to log off if no carrier
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SET TERMINAL/INQUIRE - Shows device_type of terminal
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SET TERMINAL/PAGE=43 - Sets display length to 43 lines
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SET TERMINAL/TYPE_AHEAD = Sets type ahead function on
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SET TERMINAL/UNKNOWN - Used for ASCII device types
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SET TERMINAL/WRAP = Used to set wrap around feature
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All of the above denoted with a "=" rather than a "-" can be
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changed to the opposite setting by placing a "NO" directly in
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front of the qualifiers. EX: SET TERMINAL/NOECHO
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