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Top Forums UNIX for Advanced & Expert Users RBAC: create a user to shut the server Post 302123535 by chaandana on Tuesday 26th of June 2007 03:42:18 AM
Old 06-26-2007
RBAC: create a user to shut the server

Hi,

I have created a user to shutdown the server using RBAC.
Here are my steps:
1. roleadd -u 1000 -g 10 -d /home/stopsys -m stopsys
2. passwd stopsys
3. edit /etc/security/prof_attr to include:
Shut:::able to shut the server:
4. modrole -P Shut stopsys
5. useradd -u 1001 -g 10 -d /home/user10 -m -R stopsys -s /bin/ksh user10
6. passwd user10
edit /etc/security/exec_attr to include:
Shut:suser:cmd:::/usr/sbin/shutdown:uid=0

Now, when I login & execute the shutdown cmd, I get this:
/usr/sbin/shutdown: Only root can run /usr/sbin/shutdown

But the relavent files have been updated as follows:
#tail -1 /etc/security/prof_attr
Shut:::Shutdown the Server:

# tail -2 /etc/user_attr
stopsys::::type=role;profiles=Shut
user10::::type=normal;roles=stopsys

# tail -1 /etc/security/exec_attr
Shut:suser:cmd:::/usr/sbin/shutdown:uid=0

Would you be able to find the issue here ?

Thanks in advance.
Chaandana
 

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profiles(1)                                                                                                                            profiles(1)

NAME
profiles - print execution profiles for a user SYNOPSIS
profiles [-l] [ user ...] The profiles command prints on standard output the names of the execution profiles that have been assigned to you or to the optionally- specified user or role name. Profiles are a bundling mechanism used to enumerate the commands and authorizations needed to perform a spe- cific function. Along with each listed executable are the process attributes, such as the effective user and group IDs, with which the process runs when started by a privileged command interpreter. The profile shells are pfcsh, pfksh, and pfexec. See the pfexec(1) man page. Profiles can contain other profiles defined in prof_attr(4). Multiple profiles can be combined to construct the appropriate access control. When profiles are assigned, the authorizations are added to the existing set. If the same command appears in multiple profiles, the first occurrence, as determined by the ordering of the profiles, is used for process-attribute settings. For convenience, a wild card can be specified to match all commands. When profiles are interpreted, the profile list is loaded from user_attr(4). If any default profile is defined in /etc/security/policy.conf (see policy.conf(4)), the list of default profiles are added to the list loaded from user_attr(4). Matching entries in prof_attr(4) provide the authorizations list, and matching entries in exec_attr(4) provide the commands list. The following options are supported: -l Lists the commands in each profile followed by the special process attributes such as user and group IDs. Example 1: Sample Output The output of the profiles command has the following form: example% profiles tester01 tester02 tester01 : Audit Management, All Commands tester02 : Device Management, All Commands example% Example 2: Using the list Option example% profiles -l tester01 tester02 tester01 : Audit Management: /usr/sbin/audit euid=root /usr/sbin/auditconfig euid=root egid=sys All Commands: * tester02 : Device Management: /usr/bin/allocate: euid=root /usr/bin/deallocate: euid=root All Commands * example% The following exit values are returned: 0 Successful completion. 1 An error occurred. /etc/security/exec_attr /etc/security/prof_attr /etc/user_attr /etc/security/policy.conf See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ auths(1), pfexec(1), roles(1), getprofattr(3SECDB), exec_attr(4), policy.conf(4), prof_attr(4), user_attr(4), attributes(5) 11 Feb 2000 profiles(1)
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