| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame^] | 1 | /* Internal header for netgroup related functions. |
| 2 | Copyright (C) 1996-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #ifndef _NETGROUP_H |
| 20 | #define _NETGROUP_H 1 |
| 21 | |
| 22 | #include <nsswitch.h> |
| 23 | |
| 24 | /* A netgroup can consist of names of other netgroups. We have to |
| 25 | track which netgroups were read and which still have to be read. */ |
| 26 | struct name_list |
| 27 | { |
| 28 | struct name_list *next; |
| 29 | char name[]; |
| 30 | }; |
| 31 | |
| 32 | |
| 33 | /* Dataset for iterating netgroups. */ |
| 34 | struct __netgrent |
| 35 | { |
| 36 | enum { triple_val, group_val } type; |
| 37 | |
| 38 | union |
| 39 | { |
| 40 | struct |
| 41 | { |
| 42 | const char *host; |
| 43 | const char *user; |
| 44 | const char *domain; |
| 45 | } |
| 46 | triple; |
| 47 | |
| 48 | const char *group; |
| 49 | } val; |
| 50 | |
| 51 | /* Room for the data kept between the calls to the netgroup |
| 52 | functions. We must avoid global variables. */ |
| 53 | char *data; |
| 54 | size_t data_size; |
| 55 | union |
| 56 | { |
| 57 | char *cursor; |
| 58 | unsigned long int position; |
| 59 | }; |
| 60 | int first; |
| 61 | |
| 62 | struct name_list *known_groups; |
| 63 | struct name_list *needed_groups; |
| 64 | |
| 65 | /* This handle for the NSS data base is shared between all |
| 66 | set/get/endXXXent functions. */ |
| 67 | service_user *nip; |
| 68 | }; |
| 69 | |
| 70 | |
| 71 | /* The internal netgroup handling functions might be called from outside. */ |
| 72 | extern int __internal_setnetgrent (const char *group, |
| 73 | struct __netgrent *datap) |
| 74 | internal_function; |
| 75 | libc_hidden_proto (__internal_setnetgrent) |
| 76 | extern void __internal_endnetgrent (struct __netgrent *datap) |
| 77 | internal_function; |
| 78 | libc_hidden_proto (__internal_endnetgrent) |
| 79 | extern int __internal_getnetgrent_r (char **hostp, char **userp, |
| 80 | char **domainp, struct __netgrent *datap, |
| 81 | char *buffer, size_t buflen, int *errnop) |
| 82 | internal_function; |
| 83 | libc_hidden_proto (__internal_getnetgrent_r) |
| 84 | |
| 85 | #endif /* netgroup.h */ |