1/*- 2 * Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson 3 * Copyright (c) 2001 Ilmar S. Habibulin 4 * Copyright (c) 2001, 2002 Networks Associates Technology, Inc. 5 * All rights reserved. 6 * 7 * This software was developed by Robert Watson and Ilmar Habibulin for the 8 * TrustedBSD Project. --- 22 unchanged lines hidden (view full) --- 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * |
39 * $FreeBSD: head/sys/security/mac/mac_process.c 104527 2002-10-05 17:38:45Z rwatson $ |
40 */ 41/* 42 * Developed by the TrustedBSD Project. 43 * 44 * Framework for extensible kernel access control. Kernel and userland 45 * interface to the framework, policy registration and composition. 46 */ 47 --- 990 unchanged lines hidden (view full) --- 1038static void 1039mac_init_structmac(struct mac *mac) 1040{ 1041 1042 bzero(mac, sizeof(*mac)); 1043 mac->m_macflags = MAC_FLAG_INITIALIZED; 1044} 1045 |
1046void |
1047mac_init_bpfdesc(struct bpf_d *bpf_d) |
1048{ 1049 |
1050 mac_init_label(&bpf_d->bd_label); 1051 MAC_PERFORM(init_bpfdesc_label, &bpf_d->bd_label); |
1052#ifdef MAC_DEBUG |
1053 atomic_add_int(&nmacbpfdescs, 1); |
1054#endif 1055} 1056 1057void 1058mac_init_cred(struct ucred *cr) 1059{ 1060 1061 mac_init_label(&cr->cr_label); 1062 MAC_PERFORM(init_cred_label, &cr->cr_label); 1063#ifdef MAC_DEBUG 1064 atomic_add_int(&nmaccreds, 1); 1065#endif 1066} 1067 1068void |
1069mac_init_devfsdirent(struct devfs_dirent *de) |
1070{ 1071 |
1072 mac_init_label(&de->de_label); 1073 MAC_PERFORM(init_devfsdirent_label, &de->de_label); |
1074#ifdef MAC_DEBUG |
1075 atomic_add_int(&nmacdevfsdirents, 1); |
1076#endif 1077} 1078 1079void 1080mac_init_ifnet(struct ifnet *ifp) 1081{ 1082 1083 mac_init_label(&ifp->if_label); 1084 MAC_PERFORM(init_ifnet_label, &ifp->if_label); 1085#ifdef MAC_DEBUG 1086 atomic_add_int(&nmacifnets, 1); 1087#endif 1088} 1089 1090void |
1091mac_init_ipq(struct ipq *ipq) |
1092{ 1093 |
1094 mac_init_label(&ipq->ipq_label); 1095 MAC_PERFORM(init_ipq_label, &ipq->ipq_label); |
1096#ifdef MAC_DEBUG |
1097 atomic_add_int(&nmacipqs, 1); |
1098#endif 1099} 1100 |
1101int 1102mac_init_mbuf(struct mbuf *m, int flag) 1103{ 1104 KASSERT(m->m_flags & M_PKTHDR, ("mac_init_mbuf on non-header mbuf")); 1105 1106 mac_init_label(&m->m_pkthdr.label); 1107 1108 MAC_PERFORM(init_mbuf_label, &m->m_pkthdr.label, flag); 1109#ifdef MAC_DEBUG 1110 atomic_add_int(&nmacmbufs, 1); 1111#endif 1112 return (0); 1113} 1114 |
1115void |
1116mac_init_mount(struct mount *mp) |
1117{ 1118 |
1119 mac_init_label(&mp->mnt_mntlabel); 1120 mac_init_label(&mp->mnt_fslabel); 1121 MAC_PERFORM(init_mount_label, &mp->mnt_mntlabel); 1122 MAC_PERFORM(init_mount_fs_label, &mp->mnt_fslabel); |
1123#ifdef MAC_DEBUG |
1124 atomic_add_int(&nmacmounts, 1); |
1125#endif 1126} 1127 1128void |
1129mac_init_pipe(struct pipe *pipe) |
1130{ |
1131 struct label *label; |
1132 |
1133 label = malloc(sizeof(struct label), M_MACPIPELABEL, M_ZERO|M_WAITOK); 1134 mac_init_label(label); 1135 pipe->pipe_label = label; 1136 pipe->pipe_peer->pipe_label = label; 1137 MAC_PERFORM(init_pipe_label, pipe->pipe_label); |
1138#ifdef MAC_DEBUG |
1139 atomic_add_int(&nmacpipes, 1); |
1140#endif 1141} 1142 1143void 1144mac_init_socket(struct socket *socket) 1145{ 1146 1147 mac_init_label(&socket->so_label); 1148 mac_init_label(&socket->so_peerlabel); 1149 MAC_PERFORM(init_socket_label, &socket->so_label); 1150 MAC_PERFORM(init_socket_peer_label, &socket->so_peerlabel); 1151#ifdef MAC_DEBUG 1152 atomic_add_int(&nmacsockets, 1); 1153#endif 1154} 1155 |
1156static void 1157mac_init_temp(struct label *label) |
1158{ 1159 |
1160 mac_init_label(label); 1161 MAC_PERFORM(init_temp_label, label); |
1162#ifdef MAC_DEBUG |
1163 atomic_add_int(&nmactemp, 1); |
1164#endif 1165} 1166 1167void |
1168mac_init_vnode(struct vnode *vp) |
1169{ |
1170 |
1171 mac_init_label(&vp->v_label); 1172 MAC_PERFORM(init_vnode_label, &vp->v_label); |
1173#ifdef MAC_DEBUG |
1174 atomic_add_int(&nmacvnodes, 1); |
1175#endif 1176} 1177 1178void |
1179mac_destroy_bpfdesc(struct bpf_d *bpf_d) |
1180{ 1181 |
1182 MAC_PERFORM(destroy_bpfdesc_label, &bpf_d->bd_label); 1183 mac_destroy_label(&bpf_d->bd_label); |
1184#ifdef MAC_DEBUG |
1185 atomic_subtract_int(&nmacbpfdescs, 1); |
1186#endif 1187} 1188 1189void |
1190mac_destroy_cred(struct ucred *cr) |
1191{ 1192 |
1193 MAC_PERFORM(destroy_cred_label, &cr->cr_label); 1194 mac_destroy_label(&cr->cr_label); |
1195#ifdef MAC_DEBUG |
1196 atomic_subtract_int(&nmaccreds, 1); |
1197#endif 1198} 1199 1200void |
1201mac_destroy_devfsdirent(struct devfs_dirent *de) |
1202{ 1203 |
1204 MAC_PERFORM(destroy_devfsdirent_label, &de->de_label); 1205 mac_destroy_label(&de->de_label); |
1206#ifdef MAC_DEBUG |
1207 atomic_subtract_int(&nmacdevfsdirents, 1); |
1208#endif 1209} 1210 1211void |
1212mac_destroy_ifnet(struct ifnet *ifp) |
1213{ 1214 |
1215 MAC_PERFORM(destroy_ifnet_label, &ifp->if_label); 1216 mac_destroy_label(&ifp->if_label); |
1217#ifdef MAC_DEBUG |
1218 atomic_subtract_int(&nmacifnets, 1); |
1219#endif 1220} 1221 1222void |
1223mac_destroy_ipq(struct ipq *ipq) |
1224{ 1225 |
1226 MAC_PERFORM(destroy_ipq_label, &ipq->ipq_label); 1227 mac_destroy_label(&ipq->ipq_label); |
1228#ifdef MAC_DEBUG |
1229 atomic_subtract_int(&nmacipqs, 1); |
1230#endif 1231} 1232 |
1233void 1234mac_destroy_mbuf(struct mbuf *m) |
1235{ 1236 |
1237 MAC_PERFORM(destroy_mbuf_label, &m->m_pkthdr.label); 1238 mac_destroy_label(&m->m_pkthdr.label); |
1239#ifdef MAC_DEBUG |
1240 atomic_subtract_int(&nmacmbufs, 1); |
1241#endif 1242} 1243 |
1244void 1245mac_destroy_mount(struct mount *mp) |
1246{ 1247 |
1248 MAC_PERFORM(destroy_mount_label, &mp->mnt_mntlabel); 1249 MAC_PERFORM(destroy_mount_fs_label, &mp->mnt_fslabel); 1250 mac_destroy_label(&mp->mnt_fslabel); 1251 mac_destroy_label(&mp->mnt_mntlabel); |
1252#ifdef MAC_DEBUG |
1253 atomic_subtract_int(&nmacmounts, 1); |
1254#endif 1255} 1256 1257void |
1258mac_destroy_pipe(struct pipe *pipe) |
1259{ 1260 |
1261 MAC_PERFORM(destroy_pipe_label, pipe->pipe_label); 1262 mac_destroy_label(pipe->pipe_label); 1263 free(pipe->pipe_label, M_MACPIPELABEL); |
1264#ifdef MAC_DEBUG |
1265 atomic_subtract_int(&nmacpipes, 1); |
1266#endif 1267} 1268 1269void |
1270mac_destroy_socket(struct socket *socket) |
1271{ 1272 |
1273 MAC_PERFORM(destroy_socket_label, &socket->so_label); 1274 MAC_PERFORM(destroy_socket_peer_label, &socket->so_peerlabel); 1275 mac_destroy_label(&socket->so_label); 1276 mac_destroy_label(&socket->so_peerlabel); |
1277#ifdef MAC_DEBUG |
1278 atomic_subtract_int(&nmacsockets, 1); |
1279#endif 1280} 1281 |
1282static void 1283mac_destroy_temp(struct label *label) |
1284{ 1285 |
1286 MAC_PERFORM(destroy_temp_label, label); 1287 mac_destroy_label(label); |
1288#ifdef MAC_DEBUG |
1289 atomic_subtract_int(&nmactemp, 1); |
1290#endif 1291} 1292 1293void |
1294mac_destroy_vnode(struct vnode *vp) |
1295{ 1296 |
1297 MAC_PERFORM(destroy_vnode_label, &vp->v_label); 1298 mac_destroy_label(&vp->v_label); |
1299#ifdef MAC_DEBUG |
1300 atomic_subtract_int(&nmacvnodes, 1); |
1301#endif 1302} 1303 1304static int 1305mac_externalize(struct label *label, struct mac *mac) 1306{ 1307 int error; 1308 --- 2116 unchanged lines hidden --- |