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axspawn

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axspawn: Allow automatic login to a Linux system.

NAME

axspawn - Allow automatic login to a Linux system.

SYNOPSIS

axspawn [--wait, -w]

DESCRIPTION

Axspawn will check if the peer is an AX.25 connect, the callsign a valid Amateur Radio callsign, strip the SSID, check if UID/GID are valid, allow a password-less login if the password-entry in /etc/passwd is "+" or empty; in every other case login will prompt for a password. Axspawn can create user accounts automatically. You may specify the user shell, first and maximum user id, group ID in the config file and (unlike WAMPES) create a file "/etc/ax25/ax25.profile" which will be copied to ~/.profile.
SECURITY
Auto accounting is a security problem by definition. Unlike WAMPES, which creates an empty password field, Axspawn adds an "impossible" ('+') password to /etc/passwd. Login gets called with the "-f" option, thus new users have the chance to login without a password. (I guess this won't work with the shadow password system). Of course axspawn does callsign checking: Only letters and numbers are allowed, the callsign must be longer than 4 characters and shorter than 6 characters (without SSID). There must be at least one digit, and max. two digits within the call. The SSID must be within the range of 0 and 15. Please drop me a note if you know a valid Amateur Radio callsign that does not fit this pattern _and_ can be represented correctly in AX.25.
OPTIONS
-w, --wait Disables the prompting for a password if the password entry in /etc/passwd is either a "+" or blank.

FILES

/etc/passwd /etc/ax25/ax25.profile /etc/ax25/axspawn.conf

SEE ALSO

axspawn.conf(5), ax25d(8).

AUTHOR

Joerg Reuter DL1BKE <jreuter@poboxes.com> AXSPAWN(8)
 
 
 

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