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5 Commits

Author SHA1 Message Date
Bill Paul
94c53e1fb5 NIS cleanups and fixes, the next generation.
getnetgrent.c:

- Catch one bogon that snuck by: in _listmatch(), check for '\0'
  rather than '\n'; strings returned from yp_match() are terminated
  with a nul, not a newline.

getpwent.c:

- Rip out all of the +inclusion/-exclusion stuff from before and
  replace it with something a little less grotty. The main problem
  with the old mechanism was that it wasted many cycles processing
  NIS entries even after it already knew they were to be exlcuded
  (or not included, depending on your pointof view). The highlights
  of these changes include:

  o Uses an in-memory hash database table to keep track of all the
    -@netgroup, -user, and -@group exclusions.

  o Tries harder to duplicate the behavior normally obtained when using
    NIS inclusions/exclusions on a flat /etc/passwd file (meaning things
    come out in much the same order).

  o Uses seperate methods for handling getpwent() and getpwnam()/getpwuid()
    operations instead of trying to do everything with one general
    function, which didn't work as well as I thought it would.

  o Uses both getnetgrent() and innetgr() to try to save time where
    possible.

  o Use only one special token in the local password database
    (_PW_KEYYPBYNUM) instead of seperate tokens to mark + and -
    entries (and stop using the counter tokens too). If this new
    token doesn't exist, the code will make due with the standard
    _PW_KEYBYNUM token in order to support older databases that
    won't have the new token in them.

  All this is an attempt to make this stuff work better in environments
  with large NIS passwd databases.
1996-04-16 00:22:41 +00:00
Bill Paul
e13e2475dc Add a couple of extra #defines for special keys to be embedded in the
password databases:

#define _PW_KEYPLUSBYNUM        '5'     /* special +@netgroup entries */
#define _PW_KEYMINUSBYNUM       '6'     /* special -@netgroup entries */
#define _PW_KEYPLUSCNT          '7'     /* number of +@netgroup entries */
#define _PW_KEYMINUSCNT         '8'     /* number of -@netgroup entries */

This is to help getpwent.c in libc build the +@netgroup/-@netgroup
caches.
1995-03-23 00:08:00 +00:00
Garrett Wollman
6913240fbc Add a new field to the passwd structure, indicating which of the fields have
something in them, and which ones were left blank.  This will be used
for YP support in a few minutes, and for user login classes if anyone cares
to implement them.
1994-09-20 01:12:04 +00:00
Gary Palmer
2069b09ad3 Add defines to allow pwd_mkdb to build databases in a specified
directory - removing the need to hardcode /etc into pwd_mkdb
1994-09-07 22:58:26 +00:00
Rodney W. Grimes
59deaec541 BSD 4.4 Lite Include Sources 1994-05-24 09:57:34 +00:00