authcap man page on HP-UX

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authcap(4)							    authcap(4)

       authcap - security databases for trusted systems

       All  security-relevant  databases  are stored in an ASCII format in the
       file system.  This format is converted to binary structures by  support
       routines	 described  in Section 3 manpages.  This manpage describes the
       format of these databases, and describes the philosophy	of  conversion
       into data structures.

   Hierarchy Structure
       The complete database resides in two hierarchies: and The first hierar‐
       chy contains the Protected Password database,  and  has	subdirectories
       with  single  letter names, each of which is a starting letter for user
       names.  Within each of these directories are regular files,  each  con‐
       taining	an  authcap(4)	format	file containing the Protected Password
       entry for a particular user.  Thus, all user names beginning with  have
       their  respective  authentication and identity information in a file in

       Directories within and contain system-wide information.	Global	system
       settings	 reside	 in directory Terminal and device assignment files are
       located in directory

       The following database files reside in directory

	      Default Control

       The following database files reside in directory

	      Terminal Control
	      Device Assignment

   File Format
       Each data file and has the same format.	Each file consists of one vir‐
       tual  line,  optionally	split  into multiple physical lines with the \
       character present at the end of all lines except the last.   For	 exam‐
       ple, the line

       can be split into:

       Note  that  all	capabilities must be immediately preceded and followed
       with the separator.  Multiple line entries require at the end  of  each
       line and at the beginning of each continuation line in the entry.  Con‐
       tinuation lines are indented by a tab character.	 Multiple entries  are
       separated  by  a new-line character that is not preceded by a continua‐
       tion character:

   Line Format
       The format of a line is briefly as follows:

       The entry is referenced by the name.  The end of the name part  of  the
       entry is terminated by the character.

       At  the	end  of	 each  entry  is the chkent field.  This is used as an
       integrity check on each entry.  The routines reject all entries that do
       not contain the chkent terminator.

       Each entry has 0 or more capabilities, each terminated with the charac‐
       ter.  Each capability has a unique name.	 Numeric capabilities have the

       where num is a decimal or (0-preceded) octal number.  Boolean capabili‐
       ties have the format:




       where the first form signals the presence of  the  capability  and  the
       second form signals the absence of the capability.  String capabilities
       have the format:

       where string is 0 or more characters.  The and characters  are  escaped
       as and respectively.

   File Locking
       All  databases  use  a lock file, the existence of which means that the
       file is currently being rewritten.  Occasionally, the lock files remain
       after  a	 system	 crash and must be removed manually.  The lock file is
       formed by appending to the database file name.

       All databases are converted into	 structures  by	 programs.   The  data
       structures  consist  of two substructures, each of which has one member
       for each field in the database entry.  The field structure  contains  a
       field value (for example, a number, a boolean flag, a directory string,
       or a mask), while the flag value (one bit) indicates  the  presence  or
       absence of the field in that entry.

       HP-UX  11i  Version  3  is  the last release to support trusted systems

       was developed by HP.

       getdvagent(3), getprdfent(3), getprpwent(3), getprtcent(3), default(4),
       devassign(4), prpwd(4), ttys(4).

				TO BE OBSOLETED			    authcap(4)

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