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Top Forums UNIX for Dummies Questions & Answers listing members of a unix group Post 65842 by jyoung on Wednesday 9th of March 2005 02:23:14 PM
Old 03-09-2005
On AIX I can use lsgroup. Try man lsgroup to get the correct flags and stuff.
 
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Using printf() in C, %d formats a decimal variable or literal.
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PTS_MEMBERSHIP(1)					       AFS Command Reference						 PTS_MEMBERSHIP(1)

NAME
pts_membership - Displays the membership list for a user or group SYNOPSIS
pts membership -nameorid <user or group name or id>+ [-supergroups] [-expandgroups] [-cell <cell name>] [-localauth] [-noauth] [-force] [-help] pts m -na <user or group name or id>+ [-s] [-ex] [-c <cell name>] [-no] [-l] [-f] [-h] pts groups -na <user or group name or id>+ [-s] [-ex] [-c <cell name>] [-no] [-l] [-f] [-h] pts g -na <user or group name or id>+ [-s] [-ex] [-c <cell name>] [-no] [-l] [-f] [-h] DESCRIPTION
The pts membership command lists the groups to which each user or machine specified by the -nameorid argument belongs, or lists the users and machines that belong to each group specified by the -nameorid argument. It is not possible to list the members of the system:anyuser or system:authuser groups, and they do not appear in the list of groups to which a user belongs. To add users or machine to groups, use the pts adduser command; to remove them, use the pts removeuser command. OPTIONS
-nameorid <user or group name or id>+ Specifies the name or AFS UID of each user entry, the IP address (complete or wildcard-style) or AFS UID of each machine entry, or the name or AFS GID of each group, for which to list group membership. It is acceptable to mix users, machines, and groups on the same command line, as well as names and IDs. Precede the GID of each group with a hyphen to indicate that it is negative. -supergroups List the groups to which each group specified by the -nameorid argument belongs, in addition to user and machine members. Group membership may be nested when ptserver is compiled with the SUPERGROUPS option enabled. -expandgroups Instead of listing only the groups in which the user or machine is a direct member, list every group in which the user or machine belongs, including membership due to nested groups, for each user or machine specified by the -nameorid argument. Instead of listing groups which are members of a group, list every user and machine which is a member of a group, including the users and machines which are members due to nested groups, for each group specified by the -nameorid argument. Group membership may be nested when ptserver is compiled with the SUPERGROUPS option enabled. -cell <cell name> Names the cell in which to run the command. For more details, see pts(1). -force Enables the command to continue executing as far as possible when errors or other problems occur, rather than halting execution at the first error. -help Prints the online help for this command. All other valid options are ignored. -localauth Constructs a server ticket using a key from the local /etc/openafs/server/KeyFile file. Do not combine this flag with the -cell or -noauth options. For more details, see pts(1). -noauth Assigns the unprivileged identity anonymous to the issuer. For more details, see pts(1). OUTPUT
For each user and machine, the output begins with the following header line, followed by a list of the groups to which the user or machine belongs: Groups <name> (id: <AFS UID>) is a member of: For each group, the output begins with the following header line, followed by a list of the users and machines who belong to the group: Members of <group_name> (id: <AFS GID>) are: EXAMPLES
The following example lists the groups to which the user "pat" belongs and the members of the group "smith:friends". Note that third privacy flag for the "pat" entry was changed from the default hyphen to enable a non-administrative user to obtain this listing. % pts membership pat smith:friends Groups pat (id: 1144) is a member of: smith:friends staff johnson:project-team Members of smith:friends (id: -562) are: pat terry jones richard thompson The following example shows how to list the groups to which nested groups belong. In this example the group "executives" is a member of the group "management" and the group "management" is a member of the group "staff". The group "management" is called a supergroup of the group "executives" and the group "staff" is called a supergroup of the group "management". % pts membership executives Members of executives (id: -208) are: jane % pts membership executives -supergroups Members of executives (id: -208) are: jane Groups executives (id: -208) is a member of: management % pts membership management -supergroups Members of management (id: -207) are: executives mary sarah carol Groups management (id: -207) is a member of: staff % pts membership staff -supergroups Members of staff (id: -206) are: sales marketing engineering management Groups staff (id: -206) is a member of: The following example shows how to find all the users which belong to a group, including users of nested groups. In this example, the user "jane" is listed as an expanded member of the group "management" instead of the group "executives". % pts membership management -expandgroups Expanded Members of management (id: -207) are: jane mary sarah carol The following example shows how to find all the groups a user is a member of, including membership due to nested groups. In this example the user "jane" is a direct member of the group "executives". The "-expandgroups" flag shows all the groups to which "jane" has membership status. % pts membership jane Groups jane (id: 7) is a member of: executives % pts membership jane -expandgroups Expanded Groups jane (id: 7) is a member of: staff management executives PRIVILEGE REQUIRED
Members of the system:ptsviewers and system:administrators groups can always use this command in any of its variations. Additionally, a user can always list the groups to which they belong, and the owner of a group can always list the members of the group. Additional privileges may be granted by the setting of the third privacy flag in the Protection Database entry of each user or group indicated by the -nameorid argument (use the pts examine command to display the flags): o If it is a hyphen, the default permissions described above apply. o If it is lowercase "m" and the -nameorid argument specifies a group, then members of that group can also list the other members. A privacy flag of "m" only changes the permissions when set for a group. Setting this flag for a user or a machine has no effect. o If it is uppercase "M", anyone who can access the cell's database server machines can list the membership of the group or the groups to which that user or machine belongs, depending on what type of entry the flag is set on. SEE ALSO
pts(1), pts_adduser(1), pts_examine(1), pts_removeuser(1), pts_setfields(1) COPYRIGHT
IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved. This documentation is covered by the IBM Public License Version 1.0. It was converted from HTML to POD by software written by Chas Williams and Russ Allbery, based on work by Alf Wachsmann and Elizabeth Cassell. OpenAFS 2014-04-08 PTS_MEMBERSHIP(1)

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