| kern_priv.c (256281) | kern_priv.c (260817) |
|---|---|
| 1/*- 2 * Copyright (c) 2006 nCircle Network Security, Inc. 3 * Copyright (c) 2009 Robert N. M. Watson 4 * All rights reserved. 5 * 6 * This software was developed by Robert N. M. Watson for the TrustedBSD 7 * Project under contract to nCircle Network Security, Inc. 8 * --- 17 unchanged lines hidden (view full) --- 26 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 27 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "opt_kdtrace.h" 32 33#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2006 nCircle Network Security, Inc. 3 * Copyright (c) 2009 Robert N. M. Watson 4 * All rights reserved. 5 * 6 * This software was developed by Robert N. M. Watson for the TrustedBSD 7 * Project under contract to nCircle Network Security, Inc. 8 * --- 17 unchanged lines hidden (view full) --- 26 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 27 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "opt_kdtrace.h" 32 33#include <sys/cdefs.h> |
| 34__FBSDID("$FreeBSD: stable/10/sys/kern/kern_priv.c 252855 2013-07-06 00:10:52Z jamie $"); | 34__FBSDID("$FreeBSD: stable/10/sys/kern/kern_priv.c 260817 2014-01-17 10:58:59Z avg $"); |
| 35 36#include <sys/param.h> 37#include <sys/jail.h> 38#include <sys/kernel.h> 39#include <sys/priv.h> 40#include <sys/proc.h> 41#include <sys/sdt.h> 42#include <sys/sysctl.h> --- 17 unchanged lines hidden (view full) --- 60TUNABLE_INT("security.bsd.suser_enabled", &suser_enabled); 61 62static int unprivileged_mlock = 1; 63SYSCTL_INT(_security_bsd, OID_AUTO, unprivileged_mlock, CTLFLAG_RW|CTLFLAG_TUN, 64 &unprivileged_mlock, 0, "Allow non-root users to call mlock(2)"); 65TUNABLE_INT("security.bsd.unprivileged_mlock", &unprivileged_mlock); 66 67SDT_PROVIDER_DEFINE(priv); | 35 36#include <sys/param.h> 37#include <sys/jail.h> 38#include <sys/kernel.h> 39#include <sys/priv.h> 40#include <sys/proc.h> 41#include <sys/sdt.h> 42#include <sys/sysctl.h> --- 17 unchanged lines hidden (view full) --- 60TUNABLE_INT("security.bsd.suser_enabled", &suser_enabled); 61 62static int unprivileged_mlock = 1; 63SYSCTL_INT(_security_bsd, OID_AUTO, unprivileged_mlock, CTLFLAG_RW|CTLFLAG_TUN, 64 &unprivileged_mlock, 0, "Allow non-root users to call mlock(2)"); 65TUNABLE_INT("security.bsd.unprivileged_mlock", &unprivileged_mlock); 66 67SDT_PROVIDER_DEFINE(priv); |
| 68SDT_PROBE_DEFINE1(priv, kernel, priv_check, priv_ok, priv-ok, "int"); 69SDT_PROBE_DEFINE1(priv, kernel, priv_check, priv_err, priv-err, "int"); | 68SDT_PROBE_DEFINE1(priv, kernel, priv_check, priv__ok, "int"); 69SDT_PROBE_DEFINE1(priv, kernel, priv_check, priv__err, "int"); |
| 70 71/* 72 * Check a credential for privilege. Lots of good reasons to deny privilege; 73 * only a few to grant it. 74 */ 75int 76priv_check_cred(struct ucred *cred, int priv, int flags) 77{ --- 86 unchanged lines hidden (view full) --- 164 165 /* 166 * The default is deny, so if no policies have granted it, reject 167 * with a privilege error here. 168 */ 169 error = EPERM; 170out: 171 if (error) | 70 71/* 72 * Check a credential for privilege. Lots of good reasons to deny privilege; 73 * only a few to grant it. 74 */ 75int 76priv_check_cred(struct ucred *cred, int priv, int flags) 77{ --- 86 unchanged lines hidden (view full) --- 164 165 /* 166 * The default is deny, so if no policies have granted it, reject 167 * with a privilege error here. 168 */ 169 error = EPERM; 170out: 171 if (error) |
| 172 SDT_PROBE1(priv, kernel, priv_check, priv_err, priv); | 172 SDT_PROBE1(priv, kernel, priv_check, priv__err, priv); |
| 173 else | 173 else |
| 174 SDT_PROBE1(priv, kernel, priv_check, priv_ok, priv); | 174 SDT_PROBE1(priv, kernel, priv_check, priv__ok, priv); |
| 175 return (error); 176} 177 178int 179priv_check(struct thread *td, int priv) 180{ 181 182 KASSERT(td == curthread, ("priv_check: td != curthread")); 183 184 return (priv_check_cred(td->td_ucred, priv, 0)); 185} | 175 return (error); 176} 177 178int 179priv_check(struct thread *td, int priv) 180{ 181 182 KASSERT(td == curthread, ("priv_check: td != curthread")); 183 184 return (priv_check_cred(td->td_ucred, priv, 0)); 185} |