1 /*- 2 * Copyright (c) 2013 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Pawel Jakub Dawidek under sponsorship from 6 * the FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef _CAP_GRP_H_ 31 #define _CAP_GRP_H_ 32 33 #ifdef HAVE_CASPER 34 #define WITH_CASPER 35 #endif 36 37 #include <sys/cdefs.h> 38 39 #ifdef WITH_CASPER 40 __BEGIN_DECLS 41 42 struct group *cap_getgrent(cap_channel_t *chan); 43 struct group *cap_getgrnam(cap_channel_t *chan, const char *name); 44 struct group *cap_getgrgid(cap_channel_t *chan, gid_t gid); 45 46 int cap_getgrent_r(cap_channel_t *chan, struct group *grp, char *buffer, 47 size_t bufsize, struct group **result); 48 int cap_getgrnam_r(cap_channel_t *chan, const char *name, struct group *grp, 49 char *buffer, size_t bufsize, struct group **result); 50 int cap_getgrgid_r(cap_channel_t *chan, gid_t gid, struct group *grp, 51 char *buffer, size_t bufsize, struct group **result); 52 53 int cap_setgroupent(cap_channel_t *chan, int stayopen); 54 int cap_setgrent(cap_channel_t *chan); 55 void cap_endgrent(cap_channel_t *chan); 56 57 int cap_grp_limit_cmds(cap_channel_t *chan, const char * const *cmds, 58 size_t ncmds); 59 int cap_grp_limit_fields(cap_channel_t *chan, const char * const *fields, 60 size_t nfields); 61 int cap_grp_limit_groups(cap_channel_t *chan, const char * const *names, 62 size_t nnames, const gid_t *gids, size_t ngids); 63 64 __END_DECLS 65 66 #else 67 #define cap_getgrent(chan) getgrent() 68 #define cap_getgrnam(chan, name) getgrnam(name) 69 #define cap_getgrgid(chan, gid) getgrgid(gid) 70 71 #define cap_setgroupent(chan, stayopen) etgroupent(stayopen) 72 #define endgrent(chan) endgrent() 73 static inline int 74 cap_setgrent(cap_channel_t *chan __unused) 75 { 76 77 setgrent(); 78 return(0); 79 } 80 81 #define cap_getgrent_r(chan, grp, buffer, bufsize, result) \ 82 getgrent_r(grp, buffer, bufsize, result) 83 #define cap_getgrnam_r(chan, name, grp, buffer, bufsize, result) \ 84 getgrnam_r(name, grp, buffer, bufsize, result) 85 #define cap_getgrgid_r(chan, gid, grp, buffer, bufsize, result) \ 86 getgrgid_r(gid, grp, buffer, bufsize, result) 87 88 #define cap_grp_limit_cmds(chan, cmds, ncmds) (0) 89 #define cap_grp_limit_fields(chan, fields, nfields) (0) 90 #define cap_grp_limit_groups(chan, names, nnames, gids, ngids) (0) 91 92 #endif 93 94 #endif /* !_CAP_GRP_H_ */ 95