privatepw.1 (2010 09)

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privatepw(1) privatepw(1)
NAME
privatepw - Change WU-FTPD Group Access File Information
SYNOPSIS
/usr/bin/privatepw
[-c][-d accessgroup ][
-f ftpgroups ][-g group accessgroup ]
[
-l][-V]
DESCRIPTION
If a site supports the SITE GROUP and SITE GPASS commands, it is necessary to be able to add, delete
and list enhanced access group information. The
privatepw
utility is used to update this information in
the group access file (
/etc/ftpd/ftpgroups
). This is meant as an administrative tool and not to be
run by the general user population. This command requires read/write permission to the appropriate
ftpgroups file.
Options
In the options defined below, accessgroup is an alphanumeric name specified to a group. Please see the
Background section for details.
-c Create a new /etc/ftpd/ftpgroups
file.
-d accessgroup
Delete the specified accessgroup information from the ftpgroups file.
-f ftpgroups Use the specified ftpgroups file for all updates. If this option is not specified by
default it takes the /etc/ftpd/ftpgroups
file.
-g group accessgroup
Set the real system group (defined in /etc/group) to the accessgroup specified.
This is valid only when adding a new accessgroup or changing the password of an
existing accessgroup.
-l List the contents of the appropriate ftpgroups file.
-V This option causes the program to display copyright and version information, then
terminate.
Background
After user logs in, the SITE GROUP and SITE GPASS commands may be used to specify an enhanced
access group and associated password. If the group name and password are valid, the user becomes (via
setegid()) a member of the group list in the group access file (/etc/ftpd/ftpgroups
)
The format of the group access file is:
access_group_name
:encrypted_password:real_group_name
where access_group_name is an arbitrary (alphanumeric + punctuation) string. encrypted_password is
the password encrypted via crypt (3), exactly like in
/etc/passwd. real_group_name is the name of a
valid group listed in
/etc/group.
AUTHOR
privatepw was developed by the Washington University, St. Louis, Missouri.
SEE ALSO
ftpgroups(4), ftpaccess(4).
HP-UX 11i Version 3: September 2010 1 Hewlett-Packard Company 1

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