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_SYSCTL_H_ 31 #define _CAP_SYSCTL_H_ 32 33 #ifdef HAVE_CASPER 34 #define WITH_CASPER 35 #endif 36 37 #include <sys/cdefs.h> 38 39 #define CAP_SYSCTL_READ 0x01 40 #define CAP_SYSCTL_WRITE 0x02 41 #define CAP_SYSCTL_RDWR (CAP_SYSCTL_READ | CAP_SYSCTL_WRITE) 42 #define CAP_SYSCTL_RECURSIVE 0x04 43 44 struct cap_sysctl_limit; 45 typedef struct cap_sysctl_limit cap_sysctl_limit_t; 46 47 #ifdef WITH_CASPER 48 49 __BEGIN_DECLS 50 51 int cap_sysctl(cap_channel_t *chan, const int *name, u_int namelen, void *oldp, 52 size_t *oldlenp, const void *newp, size_t newlen); 53 int cap_sysctlbyname(cap_channel_t *chan, const char *name, void *oldp, 54 size_t *oldlenp, const void *newp, size_t newlen); 55 int cap_sysctlnametomib(cap_channel_t *chan, const char *name, int *mibp, 56 size_t *sizep); 57 58 cap_sysctl_limit_t *cap_sysctl_limit_init(cap_channel_t *); 59 cap_sysctl_limit_t *cap_sysctl_limit_name(cap_sysctl_limit_t *limit, 60 const char *name, int flags); 61 cap_sysctl_limit_t *cap_sysctl_limit_mib(cap_sysctl_limit_t *limit, 62 const int *mibp, u_int miblen, int flags); 63 int cap_sysctl_limit(cap_sysctl_limit_t *limit); 64 65 __END_DECLS 66 67 #else /* !WITH_CASPER */ 68 static inline int 69 cap_sysctl(cap_channel_t *chan __unused, const int *name, u_int namelen, 70 void *oldp, size_t *oldlenp, const void *newp, size_t newlen) 71 { 72 73 return (sysctl(name, namelen, oldp, oldlenp, newp, newlen)); 74 } 75 76 static inline int 77 cap_sysctlbyname(cap_channel_t *chan __unused, const char *name, 78 void *oldp, size_t *oldlenp, const void *newp, size_t newlen) 79 { 80 81 return (sysctlbyname(name, oldp, oldlenp, newp, newlen)); 82 } 83 84 static inline int 85 cap_sysctlnametomib(cap_channel_t *chan __unused, const char *name, int *mibp, 86 size_t *sizep) 87 { 88 89 return (sysctlnametomib(name, mibp, sizep)); 90 } 91 92 static inline cap_sysctl_limit_t * 93 cap_sysctl_limit_init(cap_channel_t *limit __unused) 94 { 95 96 return (NULL); 97 } 98 99 static inline cap_sysctl_limit_t * 100 cap_sysctl_limit_name(cap_sysctl_limit_t *limit __unused, 101 const char *name __unused, int flags __unused) 102 { 103 104 return (NULL); 105 } 106 107 static inline cap_sysctl_limit_t * 108 cap_sysctl_limit_mib(cap_sysctl_limit_t *limit __unused, 109 const int *mibp __unused, u_int miblen __unused, 110 int flags __unused) 111 { 112 113 return (NULL); 114 } 115 116 static inline int 117 cap_sysctl_limit(cap_sysctl_limit_t *limit __unused) 118 { 119 120 return (0); 121 } 122 #endif /* WITH_CASPER */ 123 124 #endif /* !_CAP_SYSCTL_H_ */ 125