"Robert P. J. Day" | 63fc1a9 | 2006-07-02 19:47:05 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 2 | /* Copyright (C) 1991,92,95,96,97,98,99,2000,01 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, write to the Free |
| 17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 18 | 02111-1307 USA. */ |
| 19 | |
| 20 | /* |
| 21 | * POSIX Standard: 9.2.1 Group Database Access <grp.h> |
| 22 | */ |
| 23 | |
Denis Vlasenko | ee5dce3 | 2008-09-26 10:35:55 +0000 | [diff] [blame^] | 24 | #ifndef BB_GRP_H |
| 25 | #define BB_GRP_H 1 |
Eric Andersen | ab050f5 | 2001-01-27 06:01:43 +0000 | [diff] [blame] | 26 | |
Denis Vlasenko | 98636eb | 2008-05-09 17:59:34 +0000 | [diff] [blame] | 27 | #if __GNUC_PREREQ(4,1) |
| 28 | # pragma GCC visibility push(hidden) |
| 29 | #endif |
| 30 | |
Denis Vlasenko | ee5dce3 | 2008-09-26 10:35:55 +0000 | [diff] [blame^] | 31 | /* This file is #included after #include <grp.h> |
| 32 | * We will use libc-defined structures, but will #define finction names |
| 33 | * so that function calls are directed to bb_internal_XXX replacements |
| 34 | */ |
Denis Vlasenko | cb04ff5 | 2006-12-30 21:11:57 +0000 | [diff] [blame] | 35 | |
| 36 | #define setgrent bb_internal_setgrent |
| 37 | #define endgrent bb_internal_endgrent |
| 38 | #define getgrent bb_internal_getgrent |
| 39 | #define fgetgrent bb_internal_fgetgrent |
| 40 | #define putgrent bb_internal_putgrent |
| 41 | #define getgrgid bb_internal_getgrgid |
| 42 | #define getgrnam bb_internal_getgrnam |
| 43 | #define getgrent_r bb_internal_getgrent_r |
| 44 | #define getgrgid_r bb_internal_getgrgid_r |
| 45 | #define getgrnam_r bb_internal_getgrnam_r |
| 46 | #define fgetgrent_r bb_internal_fgetgrent_r |
| 47 | #define getgrouplist bb_internal_getgrouplist |
| 48 | #define initgroups bb_internal_initgroups |
| 49 | |
| 50 | |
| 51 | /* All function names below should be remapped by #defines above |
Denis Vlasenko | ee5dce3 | 2008-09-26 10:35:55 +0000 | [diff] [blame^] | 52 | * in order to not collide with libc names. */ |
Denis Vlasenko | cb04ff5 | 2006-12-30 21:11:57 +0000 | [diff] [blame] | 53 | |
Eric Andersen | ab050f5 | 2001-01-27 06:01:43 +0000 | [diff] [blame] | 54 | |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 55 | /* Rewind the group-file stream. */ |
Denis Vlasenko | cb04ff5 | 2006-12-30 21:11:57 +0000 | [diff] [blame] | 56 | extern void setgrent(void); |
Eric Andersen | ab050f5 | 2001-01-27 06:01:43 +0000 | [diff] [blame] | 57 | |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 58 | /* Close the group-file stream. */ |
Denis Vlasenko | cb04ff5 | 2006-12-30 21:11:57 +0000 | [diff] [blame] | 59 | extern void endgrent(void); |
Eric Andersen | ab050f5 | 2001-01-27 06:01:43 +0000 | [diff] [blame] | 60 | |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 61 | /* Read an entry from the group-file stream, opening it if necessary. */ |
Denis Vlasenko | cb04ff5 | 2006-12-30 21:11:57 +0000 | [diff] [blame] | 62 | extern struct group *getgrent(void); |
Eric Andersen | ab050f5 | 2001-01-27 06:01:43 +0000 | [diff] [blame] | 63 | |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 64 | /* Read a group entry from STREAM. */ |
Denis Vlasenko | cb04ff5 | 2006-12-30 21:11:57 +0000 | [diff] [blame] | 65 | extern struct group *fgetgrent(FILE *__stream); |
Eric Andersen | ab050f5 | 2001-01-27 06:01:43 +0000 | [diff] [blame] | 66 | |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 67 | /* Write the given entry onto the given stream. */ |
Denis Vlasenko | ee5dce3 | 2008-09-26 10:35:55 +0000 | [diff] [blame^] | 68 | extern int putgrent(const struct group *__restrict __p, |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 69 | FILE *__restrict __f); |
Eric Andersen | ab050f5 | 2001-01-27 06:01:43 +0000 | [diff] [blame] | 70 | |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 71 | /* Search for an entry with a matching group ID. */ |
Denis Vlasenko | cb04ff5 | 2006-12-30 21:11:57 +0000 | [diff] [blame] | 72 | extern struct group *getgrgid(gid_t __gid); |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 73 | |
| 74 | /* Search for an entry with a matching group name. */ |
Denis Vlasenko | ee5dce3 | 2008-09-26 10:35:55 +0000 | [diff] [blame^] | 75 | extern struct group *getgrnam(const char *__name); |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 76 | |
| 77 | /* Reentrant versions of some of the functions above. |
| 78 | |
| 79 | PLEASE NOTE: the `getgrent_r' function is not (yet) standardized. |
| 80 | The interface may change in later versions of this library. But |
| 81 | the interface is designed following the principals used for the |
| 82 | other reentrant functions so the chances are good this is what the |
| 83 | POSIX people would choose. */ |
| 84 | |
Denis Vlasenko | cb04ff5 | 2006-12-30 21:11:57 +0000 | [diff] [blame] | 85 | extern int getgrent_r(struct group *__restrict __resultbuf, |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 86 | char *__restrict __buffer, size_t __buflen, |
| 87 | struct group **__restrict __result); |
| 88 | |
| 89 | /* Search for an entry with a matching group ID. */ |
Denis Vlasenko | cb04ff5 | 2006-12-30 21:11:57 +0000 | [diff] [blame] | 90 | extern int getgrgid_r(gid_t __gid, struct group *__restrict __resultbuf, |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 91 | char *__restrict __buffer, size_t __buflen, |
| 92 | struct group **__restrict __result); |
| 93 | |
| 94 | /* Search for an entry with a matching group name. */ |
Denis Vlasenko | ee5dce3 | 2008-09-26 10:35:55 +0000 | [diff] [blame^] | 95 | extern int getgrnam_r(const char *__restrict __name, |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 96 | struct group *__restrict __resultbuf, |
| 97 | char *__restrict __buffer, size_t __buflen, |
| 98 | struct group **__restrict __result); |
| 99 | |
| 100 | /* Read a group entry from STREAM. This function is not standardized |
| 101 | an probably never will. */ |
Denis Vlasenko | cb04ff5 | 2006-12-30 21:11:57 +0000 | [diff] [blame] | 102 | extern int fgetgrent_r(FILE *__restrict __stream, |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 103 | struct group *__restrict __resultbuf, |
| 104 | char *__restrict __buffer, size_t __buflen, |
| 105 | struct group **__restrict __result); |
| 106 | |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 107 | /* Store at most *NGROUPS members of the group set for USER into |
| 108 | *GROUPS. Also include GROUP. The actual number of groups found is |
| 109 | returned in *NGROUPS. Return -1 if the if *NGROUPS is too small. */ |
Denis Vlasenko | ee5dce3 | 2008-09-26 10:35:55 +0000 | [diff] [blame^] | 110 | extern int getgrouplist(const char *__user, gid_t __group, |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 111 | gid_t *__groups, int *__ngroups); |
| 112 | |
| 113 | /* Initialize the group set for the current user |
| 114 | by reading the group database and using all groups |
| 115 | of which USER is a member. Also include GROUP. */ |
Denis Vlasenko | ee5dce3 | 2008-09-26 10:35:55 +0000 | [diff] [blame^] | 116 | extern int initgroups(const char *__user, gid_t __group); |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 117 | |
Denis Vlasenko | 98636eb | 2008-05-09 17:59:34 +0000 | [diff] [blame] | 118 | #if __GNUC_PREREQ(4,1) |
| 119 | # pragma GCC visibility pop |
| 120 | #endif |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 121 | |
Eric Andersen | 9615a08 | 2004-07-15 12:53:49 +0000 | [diff] [blame] | 122 | #endif |