3 * $Id: netg.h,v 1.5 2004/04/08 01:36:20 mdw Exp $
5 * A local database of netgroups
10 /*----- Licensing notice --------------------------------------------------*
12 * This file is part of `become'
14 * `Become' is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * `Become' is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with `become'; if not, write to the Free Software Foundation,
26 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
36 /*----- Required headers --------------------------------------------------*/
40 /*----- Type definitions --------------------------------------------------*/
42 typedef sym_iter netg_iter;
43 typedef struct netg__sym netg;
45 /*----- Functions provided ------------------------------------------------*/
47 /* --- @netg_iterate@, @netg_iterate_r@ --- *
49 * Arguments: @netg_iter *i@ = pointer to a netgroup iterator object
53 * Use: Starts iterating over the netgroups.
56 extern void netg_iterate(void);
57 extern void netg_iterate_r(netg_iter */*i*/);
59 /* --- @netg_next@, @netg_next_r@ --- *
61 * Arguments: @netg_iter *i@ = pointer to a netgroup iterator object
63 * Returns: An opaque pointer to the next item, or null.
65 * Use: Returns the next netgroup.
68 extern netg *netg_next(void);
69 extern netg *netg_next_r(netg_iter */*i*/);
71 /* --- @netg_name@ --- *
73 * Arguments: @netg *n@ = netgroup handle returned by @netg_next@.
75 * Returns: A pointer to the name; you may not modify this string.
77 * Use: Returns the name of a netgroup.
80 extern const char *netg_name(netg */*n*/);
82 /* --- @netg_scan@ --- *
84 * Arguments: @netg *n@ = a netgroup handle returned by @netg_next@
85 * @int (*proc)(netg *n, const char *host, const char *user,@
86 * @const char *domain, void *ctx)@ = function to call
88 * @void *ctx@ = context pointer to pass to @proc@.
90 * Returns: Zero if all went well, or the nonzero return value from
93 * Use: Passes all the members of the netgroup to a given function.
94 * The function is given the names, directly from the NIS
95 * netgroup map, except that any empty entries are passed as
96 * null pointers rather than empty strings. You may not modify
97 * any of the strings. The enumeration function, @proc@, may
98 * return nonzero to stop itself from being called any more;
99 * if this happens, the value it returns becomes the result of
100 * this function. If all the items are enumerated OK, this
101 * function returns zero.
104 extern int netg_scan(netg */*n*/,
105 int (*/*proc*/)(netg */*n*/, const char */*host*/,
106 const char */*user*/,
107 const char */*domain*/, void */*ctx*/),
110 /* --- @netg_init@ --- *
116 * Use: Reads the netgroup database and turns it into something nice.
119 extern void netg_init(void);
121 /* --- @netg_end@ --- *
127 * Use: Empties the netgroups database.
130 extern void netg_end(void);
132 /*----- That's all, folks -------------------------------------------------*/