| mac_system.c (189797) | mac_system.c (191731) |
|---|---|
| 1/*- 2 * Copyright (c) 2002-2003 Networks Associates Technology, Inc. 3 * Copyright (c) 2006 SPARTA, Inc. 4 * Copyright (c) 2007, 2009 Robert N. M. Watson 5 * All rights reserved. 6 * 7 * This software was developed for the FreeBSD Project in part by Network 8 * Associates Laboratories, the Security Research Division of Network --- 37 unchanged lines hidden (view full) --- 46 * modules. 47 * 48 * System checks often align with existing privilege checks, but provide 49 * additional security context that may be relevant to policies, such as the 50 * specific object being operated on. 51 */ 52 53#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2002-2003 Networks Associates Technology, Inc. 3 * Copyright (c) 2006 SPARTA, Inc. 4 * Copyright (c) 2007, 2009 Robert N. M. Watson 5 * All rights reserved. 6 * 7 * This software was developed for the FreeBSD Project in part by Network 8 * Associates Laboratories, the Security Research Division of Network --- 37 unchanged lines hidden (view full) --- 46 * modules. 47 * 48 * System checks often align with existing privilege checks, but provide 49 * additional security context that may be relevant to policies, such as the 50 * specific object being operated on. 51 */ 52 53#include <sys/cdefs.h> |
| 54__FBSDID("$FreeBSD: head/sys/security/mac/mac_system.c 189797 2009-03-14 16:06:06Z rwatson $"); | 54__FBSDID("$FreeBSD: head/sys/security/mac/mac_system.c 191731 2009-05-01 21:05:40Z rwatson $"); |
| 55 56#include "opt_kdtrace.h" 57#include "opt_mac.h" 58 59#include <sys/param.h> 60#include <sys/kernel.h> 61#include <sys/lock.h> 62#include <sys/malloc.h> --- 10 unchanged lines hidden (view full) --- 73 74MAC_CHECK_PROBE_DEFINE1(kenv_check_dump, "struct ucred *"); 75 76int 77mac_kenv_check_dump(struct ucred *cred) 78{ 79 int error; 80 | 55 56#include "opt_kdtrace.h" 57#include "opt_mac.h" 58 59#include <sys/param.h> 60#include <sys/kernel.h> 61#include <sys/lock.h> 62#include <sys/malloc.h> --- 10 unchanged lines hidden (view full) --- 73 74MAC_CHECK_PROBE_DEFINE1(kenv_check_dump, "struct ucred *"); 75 76int 77mac_kenv_check_dump(struct ucred *cred) 78{ 79 int error; 80 |
| 81 MAC_CHECK_NOSLEEP(kenv_check_dump, cred); | 81 MAC_POLICY_CHECK_NOSLEEP(kenv_check_dump, cred); |
| 82 MAC_CHECK_PROBE1(kenv_check_dump, error, cred); 83 84 return (error); 85} 86 87MAC_CHECK_PROBE_DEFINE2(kenv_check_get, "struct ucred *", "char *"); 88 89int 90mac_kenv_check_get(struct ucred *cred, char *name) 91{ 92 int error; 93 | 82 MAC_CHECK_PROBE1(kenv_check_dump, error, cred); 83 84 return (error); 85} 86 87MAC_CHECK_PROBE_DEFINE2(kenv_check_get, "struct ucred *", "char *"); 88 89int 90mac_kenv_check_get(struct ucred *cred, char *name) 91{ 92 int error; 93 |
| 94 MAC_CHECK_NOSLEEP(kenv_check_get, cred, name); | 94 MAC_POLICY_CHECK_NOSLEEP(kenv_check_get, cred, name); |
| 95 MAC_CHECK_PROBE2(kenv_check_get, error, cred, name); 96 97 return (error); 98} 99 100MAC_CHECK_PROBE_DEFINE3(kenv_check_set, "struct ucred *", "char *", 101 "char *"); 102 103int 104mac_kenv_check_set(struct ucred *cred, char *name, char *value) 105{ 106 int error; 107 | 95 MAC_CHECK_PROBE2(kenv_check_get, error, cred, name); 96 97 return (error); 98} 99 100MAC_CHECK_PROBE_DEFINE3(kenv_check_set, "struct ucred *", "char *", 101 "char *"); 102 103int 104mac_kenv_check_set(struct ucred *cred, char *name, char *value) 105{ 106 int error; 107 |
| 108 MAC_CHECK_NOSLEEP(kenv_check_set, cred, name, value); | 108 MAC_POLICY_CHECK_NOSLEEP(kenv_check_set, cred, name, value); |
| 109 MAC_CHECK_PROBE3(kenv_check_set, error, cred, name, value); 110 111 return (error); 112} 113 114MAC_CHECK_PROBE_DEFINE2(kenv_check_unset, "struct ucred *", "char *"); 115 116int 117mac_kenv_check_unset(struct ucred *cred, char *name) 118{ 119 int error; 120 | 109 MAC_CHECK_PROBE3(kenv_check_set, error, cred, name, value); 110 111 return (error); 112} 113 114MAC_CHECK_PROBE_DEFINE2(kenv_check_unset, "struct ucred *", "char *"); 115 116int 117mac_kenv_check_unset(struct ucred *cred, char *name) 118{ 119 int error; 120 |
| 121 MAC_CHECK_NOSLEEP(kenv_check_unset, cred, name); | 121 MAC_POLICY_CHECK_NOSLEEP(kenv_check_unset, cred, name); |
| 122 MAC_CHECK_PROBE2(kenv_check_unset, error, cred, name); 123 124 return (error); 125} 126 127MAC_CHECK_PROBE_DEFINE2(kld_check_load, "struct ucred *", "struct vnode *"); 128 129int 130mac_kld_check_load(struct ucred *cred, struct vnode *vp) 131{ 132 int error; 133 134 ASSERT_VOP_LOCKED(vp, "mac_kld_check_load"); 135 | 122 MAC_CHECK_PROBE2(kenv_check_unset, error, cred, name); 123 124 return (error); 125} 126 127MAC_CHECK_PROBE_DEFINE2(kld_check_load, "struct ucred *", "struct vnode *"); 128 129int 130mac_kld_check_load(struct ucred *cred, struct vnode *vp) 131{ 132 int error; 133 134 ASSERT_VOP_LOCKED(vp, "mac_kld_check_load"); 135 |
| 136 MAC_CHECK(kld_check_load, cred, vp, vp->v_label); | 136 MAC_POLICY_CHECK(kld_check_load, cred, vp, vp->v_label); |
| 137 MAC_CHECK_PROBE2(kld_check_load, error, cred, vp); 138 139 return (error); 140} 141 142MAC_CHECK_PROBE_DEFINE1(kld_check_stat, "struct ucred *"); 143 144int 145mac_kld_check_stat(struct ucred *cred) 146{ 147 int error; 148 | 137 MAC_CHECK_PROBE2(kld_check_load, error, cred, vp); 138 139 return (error); 140} 141 142MAC_CHECK_PROBE_DEFINE1(kld_check_stat, "struct ucred *"); 143 144int 145mac_kld_check_stat(struct ucred *cred) 146{ 147 int error; 148 |
| 149 MAC_CHECK_NOSLEEP(kld_check_stat, cred); | 149 MAC_POLICY_CHECK_NOSLEEP(kld_check_stat, cred); |
| 150 MAC_CHECK_PROBE1(kld_check_stat, error, cred); 151 152 return (error); 153} 154 155MAC_CHECK_PROBE_DEFINE2(system_check_acct, "struct ucred *", 156 "struct vnode *"); 157 158int 159mac_system_check_acct(struct ucred *cred, struct vnode *vp) 160{ 161 int error; 162 163 if (vp != NULL) { 164 ASSERT_VOP_LOCKED(vp, "mac_system_check_acct"); 165 } 166 | 150 MAC_CHECK_PROBE1(kld_check_stat, error, cred); 151 152 return (error); 153} 154 155MAC_CHECK_PROBE_DEFINE2(system_check_acct, "struct ucred *", 156 "struct vnode *"); 157 158int 159mac_system_check_acct(struct ucred *cred, struct vnode *vp) 160{ 161 int error; 162 163 if (vp != NULL) { 164 ASSERT_VOP_LOCKED(vp, "mac_system_check_acct"); 165 } 166 |
| 167 MAC_CHECK(system_check_acct, cred, vp, | 167 MAC_POLICY_CHECK(system_check_acct, cred, vp, |
| 168 vp != NULL ? vp->v_label : NULL); 169 MAC_CHECK_PROBE2(system_check_acct, error, cred, vp); 170 171 return (error); 172} 173 174MAC_CHECK_PROBE_DEFINE2(system_check_reboot, "struct ucred *", "int"); 175 176int 177mac_system_check_reboot(struct ucred *cred, int howto) 178{ 179 int error; 180 | 168 vp != NULL ? vp->v_label : NULL); 169 MAC_CHECK_PROBE2(system_check_acct, error, cred, vp); 170 171 return (error); 172} 173 174MAC_CHECK_PROBE_DEFINE2(system_check_reboot, "struct ucred *", "int"); 175 176int 177mac_system_check_reboot(struct ucred *cred, int howto) 178{ 179 int error; 180 |
| 181 MAC_CHECK_NOSLEEP(system_check_reboot, cred, howto); | 181 MAC_POLICY_CHECK_NOSLEEP(system_check_reboot, cred, howto); |
| 182 MAC_CHECK_PROBE2(system_check_reboot, error, cred, howto); 183 184 return (error); 185} 186 187MAC_CHECK_PROBE_DEFINE2(system_check_swapon, "struct ucred *", 188 "struct vnode *"); 189 190int 191mac_system_check_swapon(struct ucred *cred, struct vnode *vp) 192{ 193 int error; 194 195 ASSERT_VOP_LOCKED(vp, "mac_system_check_swapon"); 196 | 182 MAC_CHECK_PROBE2(system_check_reboot, error, cred, howto); 183 184 return (error); 185} 186 187MAC_CHECK_PROBE_DEFINE2(system_check_swapon, "struct ucred *", 188 "struct vnode *"); 189 190int 191mac_system_check_swapon(struct ucred *cred, struct vnode *vp) 192{ 193 int error; 194 195 ASSERT_VOP_LOCKED(vp, "mac_system_check_swapon"); 196 |
| 197 MAC_CHECK(system_check_swapon, cred, vp, vp->v_label); | 197 MAC_POLICY_CHECK(system_check_swapon, cred, vp, vp->v_label); |
| 198 MAC_CHECK_PROBE2(system_check_swapon, error, cred, vp); 199 200 return (error); 201} 202 203MAC_CHECK_PROBE_DEFINE2(system_check_swapoff, "struct ucred *", 204 "struct vnode *"); 205 206int 207mac_system_check_swapoff(struct ucred *cred, struct vnode *vp) 208{ 209 int error; 210 211 ASSERT_VOP_LOCKED(vp, "mac_system_check_swapoff"); 212 | 198 MAC_CHECK_PROBE2(system_check_swapon, error, cred, vp); 199 200 return (error); 201} 202 203MAC_CHECK_PROBE_DEFINE2(system_check_swapoff, "struct ucred *", 204 "struct vnode *"); 205 206int 207mac_system_check_swapoff(struct ucred *cred, struct vnode *vp) 208{ 209 int error; 210 211 ASSERT_VOP_LOCKED(vp, "mac_system_check_swapoff"); 212 |
| 213 MAC_CHECK(system_check_swapoff, cred, vp, vp->v_label); | 213 MAC_POLICY_CHECK(system_check_swapoff, cred, vp, vp->v_label); |
| 214 MAC_CHECK_PROBE2(system_check_swapoff, error, cred, vp); 215 216 return (error); 217} 218 219MAC_CHECK_PROBE_DEFINE3(system_check_sysctl, "struct ucred *", 220 "struct sysctl_oid *", "struct sysctl_req *"); 221 222int 223mac_system_check_sysctl(struct ucred *cred, struct sysctl_oid *oidp, 224 void *arg1, int arg2, struct sysctl_req *req) 225{ 226 int error; 227 228 /* 229 * XXXMAC: We would very much like to assert the SYSCTL_LOCK here, 230 * but since it's not exported from kern_sysctl.c, we can't. 231 */ | 214 MAC_CHECK_PROBE2(system_check_swapoff, error, cred, vp); 215 216 return (error); 217} 218 219MAC_CHECK_PROBE_DEFINE3(system_check_sysctl, "struct ucred *", 220 "struct sysctl_oid *", "struct sysctl_req *"); 221 222int 223mac_system_check_sysctl(struct ucred *cred, struct sysctl_oid *oidp, 224 void *arg1, int arg2, struct sysctl_req *req) 225{ 226 int error; 227 228 /* 229 * XXXMAC: We would very much like to assert the SYSCTL_LOCK here, 230 * but since it's not exported from kern_sysctl.c, we can't. 231 */ |
| 232 MAC_CHECK_NOSLEEP(system_check_sysctl, cred, oidp, arg1, arg2, req); | 232 MAC_POLICY_CHECK_NOSLEEP(system_check_sysctl, cred, oidp, arg1, arg2, 233 req); |
| 233 MAC_CHECK_PROBE3(system_check_sysctl, error, cred, oidp, req); 234 235 return (error); 236} | 234 MAC_CHECK_PROBE3(system_check_sysctl, error, cred, oidp, req); 235 236 return (error); 237} |