HP Sentry manual File Group Conflict

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Section 2 - 20

SENTRY User’s Guide

In UNIX every file has an owner and a group. The references to owners and groups are the UID and the GID for each. The actual names are NOT stored, only the number. The numbers are translated by various UNIX utilities through a “lookup” process in the passwd and group files. If a group is deleted which is the group for files, the GID will continue to be the file group. Because this relationship between group, GIDs and file group is only a logical link, it is common to find files with GIDs which don’t exist on the system. This can be a serious security problem should the System Administrator delete a group (where the group is associated with files) and later reassign a new group name and new users to an old number. It is possible the users in the new group would then have access to files they should not be allowed to use. SENTRY will notify the System Administrator of this issue when a group is deleted.

When a group is deleted which is the group for files and the GID is unique, SENTRY will advise the Administrator and offer a menu of four choices. Here is an example of this screen.

GROUP.MAINT

Group Maintenance

08/14/00

*****

FILE GROUP CONFLICT

*****

The group you are about to delete owns 1 file on the system. If you delete the group without changing the ownership of the files, there will be no registered group for these files on your system. You have several choices:

A)View the list of files in question.

B)Continue to delete the group / leave files as they are.

C)Change ownership of these files to another group.

D)Do not delete this group.

Please enter your choice of methods to resolve this conflict.

Figure 22 - This is a sample of the FILE GROUP CONFLICT screen. The user is offered four choices. Enter the letter to the left of your choice to execute.

The four choices provided through this screen are described in the following paragraphs.

A)View the list of files in question. This list of files will be displayed in a scrolling window. Note that the number of files owned by the group will be displayed in the “FILE GROUP CONFLICT” screen (Figure 22). Enter “A” to view this list.

In the following screen note that SENTRY displays a list of all files owned by this group. This is a scrolling window if there are more files than can be displayed on one screen. User “F” or “B” to scroll forward or backward. Enter <ESC> to leave this screen.

Fitzgerald & Long

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Contents Sentry Page Table Of Contents Page Using this Guide Introduction Sentry User’s Guide Using the Screens Data Entry Conventions Installing Sentry Mv sentry sentry.oldUniData … /udt/bin InstallUniVerse … /uv/bin PI/open … /isys/binMain Menu SentryGetting Started Sentry Sentry is currently being run by user nYou must be a super-user to use Sentry Sentry Main MenuIntroduction Introducing the Main Menu Introduction Page Introducing the Database Creation and Validation Menu Database Creation and Valudation Menu Fitzgerald & Long Upload User and Group Profiles from Unix DB.LOADSENTRY.DB.LOAD Batch Create Database from File System Phantom SENTRY.FILE.LOAD BatchValidate the User Profile Database ValidationSentry User’s Guide Fitzgerald & Long Sentry User’s Guide Fitzgerald & Long Page Introducing the Database Maintenance Menu Database Maintenance Fitzgerald & Long Passwd File Order Group File Order System Profile MaintenanceMaximum Command Length Maximum Startup Path Length SYSTEM.MAINTFitzgerald & Long Sentry User’s Guide Fitzgerald & Long Custom User Default Maintenance SUN CUSTOM.USEREnter field number, File or ESC to exit UID User MaintenanceUSER.MAINT GIDFitzgerald & Long Sentry User’s Guide SUN Enter field number, File or ESC to exit Are you sure you want to delete the entire recordYES/NO? File Ownership ConflictJaf Enter ESC to quit Fitzgerald & Long Group Maintenance GROUP.MAINTDo you want to update the Unix group file Y/N? File Group Conflict Sentry User’s GuideSection 2 Sentry User’s Guide Sysbckup File SystemFILE.MANAGER CURSOR.MAIN View Group Execute XEQ View User RepaintEnter name for cross reference FILE.MAINT Do you want to update ALL files within this Directory also? Read permission w write permission x execute permissionACL.MAINT ALLFitzgerald & Long Sentry User’s Guide More File Manager Views Enter the user name or UID to view @ for X-refFILE.MANAGER Enter the group name or GID to view @ for X-ref SENTRY.COMMAND.CONTROL Command MaintenanceCOMMAND.MAINT PROC.TEST ProcUse at database prompt only Unlimited use Execute from inside a program onlyBoth use at database prompt and from within a program No useSentry User’s Guide User Item Protection Maintenance USER.ITEM.MAINTSentry User’s GuideSection 2 Sentry User’s Guide Sentry User’s Guide Sentry User’s Guide Introducing the Reports Menu Reports Menu SentryFitzgerald & Long System Profile Report Fitzgerald & Long Sentry User’s Guide Fitzgerald & Long Sentry User’s Guide User Profiles SENTRY.USERS.REPORTSentry User’s Guide Groups Report SENTRY.GROUPS.REPORTSentry User’s Guide Account Protection Report NoneSENTRY.COMMANDS Command Protection Report SENTRY.COMMANDS.REPORTThere are no prompts for this report Access Violations Report SENTRY.VIOLATION.REPORTSentry User’s Guide Introducing the Utilities Menu Utilities Menu DatabaseFitzgerald & Long VOC Protection Setup Account Containing ProtectionPuging the Violations LOG Sentry User’s Guide Password Creation This is the Password Generation data entry screenSentry User’s Guide Fitzgerald & Long Rebuild Cross Reference Files REBUILD.INVERTSUpdate Protected Commands Page DATA.STRING Input Sentry Internal SubroutinesSample Call @SENTRY.ENCRYPTDATA.STRING, RETURN.STRING RETURN.STRING OutputENCRYPTION.KEY Input THE.KEY Fudge Tastes GoodSubroutine SENTRY.USER.ITEM.CONTROL THE.KEY = Fudge Tastes GoodUSER.ITEM Input ACCESS.RIGHTS OutputERROR.TEXT Output ITEM.FOUND OutputAppendix 1 Subroutine SENTRY.VIOLATION.STAMP Comment InputAppendix 1 Page Sentry KEY Bindings Appendix 2 Sentry User’s Guide Appendix 2

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