Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 1 | /* |
| 2 | * SELinux NetLabel Support |
| 3 | * |
| 4 | * This file provides the necessary glue to tie NetLabel into the SELinux |
| 5 | * subsystem. |
| 6 | * |
| 7 | * Author: Paul Moore <paul.moore@hp.com> |
| 8 | * |
| 9 | */ |
| 10 | |
| 11 | /* |
| 12 | * (c) Copyright Hewlett-Packard Development Company, L.P., 2007 |
| 13 | * |
| 14 | * This program is free software; you can redistribute it and/or modify |
| 15 | * it under the terms of the GNU General Public License as published by |
| 16 | * the Free Software Foundation; either version 2 of the License, or |
| 17 | * (at your option) any later version. |
| 18 | * |
| 19 | * This program is distributed in the hope that it will be useful, |
| 20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 22 | * the GNU General Public License for more details. |
| 23 | * |
| 24 | * You should have received a copy of the GNU General Public License |
| 25 | * along with this program; if not, write to the Free Software |
| 26 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 27 | * |
| 28 | */ |
| 29 | |
| 30 | #include <linux/spinlock.h> |
| 31 | #include <linux/rcupdate.h> |
| 32 | #include <net/sock.h> |
| 33 | #include <net/netlabel.h> |
| 34 | |
| 35 | #include "objsec.h" |
| 36 | #include "security.h" |
| 37 | |
| 38 | /** |
Paul Moore | ba6ff9f | 2007-06-07 18:37:15 -0700 | [diff] [blame] | 39 | * selinux_netlbl_sock_setsid - Label a socket using the NetLabel mechanism |
| 40 | * @sk: the socket to label |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 41 | * @sid: the SID to use |
| 42 | * |
| 43 | * Description: |
| 44 | * Attempt to label a socket using the NetLabel mechanism using the given |
| 45 | * SID. Returns zero values on success, negative values on failure. The |
| 46 | * caller is responsibile for calling rcu_read_lock() before calling this |
| 47 | * this function and rcu_read_unlock() after this function returns. |
| 48 | * |
| 49 | */ |
Paul Moore | ba6ff9f | 2007-06-07 18:37:15 -0700 | [diff] [blame] | 50 | static int selinux_netlbl_sock_setsid(struct sock *sk, u32 sid) |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 51 | { |
| 52 | int rc; |
Paul Moore | ba6ff9f | 2007-06-07 18:37:15 -0700 | [diff] [blame] | 53 | struct sk_security_struct *sksec = sk->sk_security; |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 54 | struct netlbl_lsm_secattr secattr; |
| 55 | |
Paul Moore | 45c950e | 2008-01-22 09:31:00 +1100 | [diff] [blame] | 56 | netlbl_secattr_init(&secattr); |
| 57 | |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 58 | rc = security_netlbl_sid_to_secattr(sid, &secattr); |
| 59 | if (rc != 0) |
Paul Moore | 45c950e | 2008-01-22 09:31:00 +1100 | [diff] [blame] | 60 | goto sock_setsid_return; |
Paul Moore | ba6ff9f | 2007-06-07 18:37:15 -0700 | [diff] [blame] | 61 | rc = netlbl_sock_setattr(sk, &secattr); |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 62 | if (rc == 0) { |
| 63 | spin_lock_bh(&sksec->nlbl_lock); |
| 64 | sksec->nlbl_state = NLBL_LABELED; |
| 65 | spin_unlock_bh(&sksec->nlbl_lock); |
| 66 | } |
| 67 | |
Paul Moore | 45c950e | 2008-01-22 09:31:00 +1100 | [diff] [blame] | 68 | sock_setsid_return: |
| 69 | netlbl_secattr_destroy(&secattr); |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 70 | return rc; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * selinux_netlbl_cache_invalidate - Invalidate the NetLabel cache |
| 75 | * |
| 76 | * Description: |
| 77 | * Invalidate the NetLabel security attribute mapping cache. |
| 78 | * |
| 79 | */ |
| 80 | void selinux_netlbl_cache_invalidate(void) |
| 81 | { |
| 82 | netlbl_cache_invalidate(); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * selinux_netlbl_sk_security_reset - Reset the NetLabel fields |
| 87 | * @ssec: the sk_security_struct |
| 88 | * @family: the socket family |
| 89 | * |
| 90 | * Description: |
| 91 | * Called when the NetLabel state of a sk_security_struct needs to be reset. |
| 92 | * The caller is responsibile for all the NetLabel sk_security_struct locking. |
| 93 | * |
| 94 | */ |
| 95 | void selinux_netlbl_sk_security_reset(struct sk_security_struct *ssec, |
| 96 | int family) |
| 97 | { |
| 98 | if (family == PF_INET) |
| 99 | ssec->nlbl_state = NLBL_REQUIRE; |
| 100 | else |
| 101 | ssec->nlbl_state = NLBL_UNSET; |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * selinux_netlbl_sk_security_init - Setup the NetLabel fields |
| 106 | * @ssec: the sk_security_struct |
| 107 | * @family: the socket family |
| 108 | * |
| 109 | * Description: |
| 110 | * Called when a new sk_security_struct is allocated to initialize the NetLabel |
| 111 | * fields. |
| 112 | * |
| 113 | */ |
| 114 | void selinux_netlbl_sk_security_init(struct sk_security_struct *ssec, |
| 115 | int family) |
| 116 | { |
| 117 | /* No locking needed, we are the only one who has access to ssec */ |
| 118 | selinux_netlbl_sk_security_reset(ssec, family); |
| 119 | spin_lock_init(&ssec->nlbl_lock); |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * selinux_netlbl_sk_security_clone - Copy the NetLabel fields |
| 124 | * @ssec: the original sk_security_struct |
| 125 | * @newssec: the cloned sk_security_struct |
| 126 | * |
| 127 | * Description: |
| 128 | * Clone the NetLabel specific sk_security_struct fields from @ssec to |
| 129 | * @newssec. |
| 130 | * |
| 131 | */ |
| 132 | void selinux_netlbl_sk_security_clone(struct sk_security_struct *ssec, |
| 133 | struct sk_security_struct *newssec) |
| 134 | { |
| 135 | /* We don't need to take newssec->nlbl_lock because we are the only |
| 136 | * thread with access to newssec, but we do need to take the RCU read |
| 137 | * lock as other threads could have access to ssec */ |
| 138 | rcu_read_lock(); |
| 139 | selinux_netlbl_sk_security_reset(newssec, ssec->sk->sk_family); |
| 140 | newssec->sclass = ssec->sclass; |
| 141 | rcu_read_unlock(); |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * selinux_netlbl_skbuff_getsid - Get the sid of a packet using NetLabel |
| 146 | * @skb: the packet |
Paul Moore | 75e2291 | 2008-01-29 08:38:04 -0500 | [diff] [blame] | 147 | * @family: protocol family |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 148 | * @base_sid: the SELinux SID to use as a context for MLS only attributes |
| 149 | * @sid: the SID |
| 150 | * |
| 151 | * Description: |
| 152 | * Call the NetLabel mechanism to get the security attributes of the given |
| 153 | * packet and use those attributes to determine the correct context/SID to |
| 154 | * assign to the packet. Returns zero on success, negative values on failure. |
| 155 | * |
| 156 | */ |
Paul Moore | 75e2291 | 2008-01-29 08:38:04 -0500 | [diff] [blame] | 157 | int selinux_netlbl_skbuff_getsid(struct sk_buff *skb, |
| 158 | u16 family, |
| 159 | u32 base_sid, |
| 160 | u32 *sid) |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 161 | { |
| 162 | int rc; |
| 163 | struct netlbl_lsm_secattr secattr; |
| 164 | |
Paul Moore | 23bcdc1 | 2007-07-18 12:28:45 -0400 | [diff] [blame] | 165 | if (!netlbl_enabled()) { |
| 166 | *sid = SECSID_NULL; |
| 167 | return 0; |
| 168 | } |
| 169 | |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 170 | netlbl_secattr_init(&secattr); |
Paul Moore | 75e2291 | 2008-01-29 08:38:04 -0500 | [diff] [blame] | 171 | rc = netlbl_skbuff_getattr(skb, family, &secattr); |
Paul Moore | 9534f71 | 2007-07-30 16:33:26 -0400 | [diff] [blame] | 172 | if (rc == 0 && secattr.flags != NETLBL_SECATTR_NONE) { |
Paul Moore | f36158c | 2007-07-18 12:28:46 -0400 | [diff] [blame] | 173 | rc = security_netlbl_secattr_to_sid(&secattr, base_sid, sid); |
Paul Moore | 9534f71 | 2007-07-30 16:33:26 -0400 | [diff] [blame] | 174 | if (rc == 0 && |
| 175 | (secattr.flags & NETLBL_SECATTR_CACHEABLE) && |
| 176 | (secattr.flags & NETLBL_SECATTR_CACHE)) |
| 177 | netlbl_cache_add(skb, &secattr); |
| 178 | } else |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 179 | *sid = SECSID_NULL; |
| 180 | netlbl_secattr_destroy(&secattr); |
| 181 | |
| 182 | return rc; |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * selinux_netlbl_sock_graft - Netlabel the new socket |
| 187 | * @sk: the new connection |
| 188 | * @sock: the new socket |
| 189 | * |
| 190 | * Description: |
| 191 | * The connection represented by @sk is being grafted onto @sock so set the |
| 192 | * socket's NetLabel to match the SID of @sk. |
| 193 | * |
| 194 | */ |
| 195 | void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock) |
| 196 | { |
| 197 | struct inode_security_struct *isec = SOCK_INODE(sock)->i_security; |
| 198 | struct sk_security_struct *sksec = sk->sk_security; |
| 199 | struct netlbl_lsm_secattr secattr; |
| 200 | u32 nlbl_peer_sid; |
| 201 | |
| 202 | sksec->sclass = isec->sclass; |
| 203 | |
| 204 | rcu_read_lock(); |
| 205 | |
| 206 | if (sksec->nlbl_state != NLBL_REQUIRE) { |
| 207 | rcu_read_unlock(); |
| 208 | return; |
| 209 | } |
| 210 | |
| 211 | netlbl_secattr_init(&secattr); |
| 212 | if (netlbl_sock_getattr(sk, &secattr) == 0 && |
| 213 | secattr.flags != NETLBL_SECATTR_NONE && |
| 214 | security_netlbl_secattr_to_sid(&secattr, |
Paul Moore | f36158c | 2007-07-18 12:28:46 -0400 | [diff] [blame] | 215 | SECINITSID_NETMSG, |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 216 | &nlbl_peer_sid) == 0) |
| 217 | sksec->peer_sid = nlbl_peer_sid; |
| 218 | netlbl_secattr_destroy(&secattr); |
| 219 | |
| 220 | /* Try to set the NetLabel on the socket to save time later, if we fail |
| 221 | * here we will pick up the pieces in later calls to |
| 222 | * selinux_netlbl_inode_permission(). */ |
Paul Moore | ba6ff9f | 2007-06-07 18:37:15 -0700 | [diff] [blame] | 223 | selinux_netlbl_sock_setsid(sk, sksec->sid); |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 224 | |
| 225 | rcu_read_unlock(); |
| 226 | } |
| 227 | |
| 228 | /** |
| 229 | * selinux_netlbl_socket_post_create - Label a socket using NetLabel |
| 230 | * @sock: the socket to label |
| 231 | * |
| 232 | * Description: |
| 233 | * Attempt to label a socket using the NetLabel mechanism using the given |
| 234 | * SID. Returns zero values on success, negative values on failure. |
| 235 | * |
| 236 | */ |
| 237 | int selinux_netlbl_socket_post_create(struct socket *sock) |
| 238 | { |
| 239 | int rc = 0; |
Paul Moore | ba6ff9f | 2007-06-07 18:37:15 -0700 | [diff] [blame] | 240 | struct sock *sk = sock->sk; |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 241 | struct inode_security_struct *isec = SOCK_INODE(sock)->i_security; |
Paul Moore | ba6ff9f | 2007-06-07 18:37:15 -0700 | [diff] [blame] | 242 | struct sk_security_struct *sksec = sk->sk_security; |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 243 | |
| 244 | sksec->sclass = isec->sclass; |
| 245 | |
| 246 | rcu_read_lock(); |
| 247 | if (sksec->nlbl_state == NLBL_REQUIRE) |
Paul Moore | ba6ff9f | 2007-06-07 18:37:15 -0700 | [diff] [blame] | 248 | rc = selinux_netlbl_sock_setsid(sk, sksec->sid); |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 249 | rcu_read_unlock(); |
| 250 | |
| 251 | return rc; |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * selinux_netlbl_inode_permission - Verify the socket is NetLabel labeled |
| 256 | * @inode: the file descriptor's inode |
| 257 | * @mask: the permission mask |
| 258 | * |
| 259 | * Description: |
| 260 | * Looks at a file's inode and if it is marked as a socket protected by |
| 261 | * NetLabel then verify that the socket has been labeled, if not try to label |
| 262 | * the socket now with the inode's SID. Returns zero on success, negative |
| 263 | * values on failure. |
| 264 | * |
| 265 | */ |
| 266 | int selinux_netlbl_inode_permission(struct inode *inode, int mask) |
| 267 | { |
| 268 | int rc; |
Paul Moore | ba6ff9f | 2007-06-07 18:37:15 -0700 | [diff] [blame] | 269 | struct sock *sk; |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 270 | struct socket *sock; |
Paul Moore | ba6ff9f | 2007-06-07 18:37:15 -0700 | [diff] [blame] | 271 | struct sk_security_struct *sksec; |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 272 | |
| 273 | if (!S_ISSOCK(inode->i_mode) || |
| 274 | ((mask & (MAY_WRITE | MAY_APPEND)) == 0)) |
| 275 | return 0; |
| 276 | sock = SOCKET_I(inode); |
Paul Moore | ba6ff9f | 2007-06-07 18:37:15 -0700 | [diff] [blame] | 277 | sk = sock->sk; |
| 278 | sksec = sk->sk_security; |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 279 | |
| 280 | rcu_read_lock(); |
| 281 | if (sksec->nlbl_state != NLBL_REQUIRE) { |
| 282 | rcu_read_unlock(); |
| 283 | return 0; |
| 284 | } |
| 285 | local_bh_disable(); |
Paul Moore | ba6ff9f | 2007-06-07 18:37:15 -0700 | [diff] [blame] | 286 | bh_lock_sock_nested(sk); |
| 287 | rc = selinux_netlbl_sock_setsid(sk, sksec->sid); |
| 288 | bh_unlock_sock(sk); |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 289 | local_bh_enable(); |
| 290 | rcu_read_unlock(); |
| 291 | |
| 292 | return rc; |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * selinux_netlbl_sock_rcv_skb - Do an inbound access check using NetLabel |
| 297 | * @sksec: the sock's sk_security_struct |
| 298 | * @skb: the packet |
Paul Moore | 75e2291 | 2008-01-29 08:38:04 -0500 | [diff] [blame] | 299 | * @family: protocol family |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 300 | * @ad: the audit data |
| 301 | * |
| 302 | * Description: |
| 303 | * Fetch the NetLabel security attributes from @skb and perform an access check |
| 304 | * against the receiving socket. Returns zero on success, negative values on |
| 305 | * error. |
| 306 | * |
| 307 | */ |
| 308 | int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec, |
| 309 | struct sk_buff *skb, |
Paul Moore | 75e2291 | 2008-01-29 08:38:04 -0500 | [diff] [blame] | 310 | u16 family, |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 311 | struct avc_audit_data *ad) |
| 312 | { |
| 313 | int rc; |
Paul Moore | f36158c | 2007-07-18 12:28:46 -0400 | [diff] [blame] | 314 | u32 nlbl_sid; |
| 315 | u32 perm; |
| 316 | struct netlbl_lsm_secattr secattr; |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 317 | |
Paul Moore | 23bcdc1 | 2007-07-18 12:28:45 -0400 | [diff] [blame] | 318 | if (!netlbl_enabled()) |
| 319 | return 0; |
| 320 | |
Paul Moore | f36158c | 2007-07-18 12:28:46 -0400 | [diff] [blame] | 321 | netlbl_secattr_init(&secattr); |
Paul Moore | 75e2291 | 2008-01-29 08:38:04 -0500 | [diff] [blame] | 322 | rc = netlbl_skbuff_getattr(skb, family, &secattr); |
Paul Moore | 9534f71 | 2007-07-30 16:33:26 -0400 | [diff] [blame] | 323 | if (rc == 0 && secattr.flags != NETLBL_SECATTR_NONE) { |
Paul Moore | f36158c | 2007-07-18 12:28:46 -0400 | [diff] [blame] | 324 | rc = security_netlbl_secattr_to_sid(&secattr, |
| 325 | SECINITSID_NETMSG, |
| 326 | &nlbl_sid); |
Paul Moore | 9534f71 | 2007-07-30 16:33:26 -0400 | [diff] [blame] | 327 | if (rc == 0 && |
| 328 | (secattr.flags & NETLBL_SECATTR_CACHEABLE) && |
| 329 | (secattr.flags & NETLBL_SECATTR_CACHE)) |
| 330 | netlbl_cache_add(skb, &secattr); |
| 331 | } else |
Paul Moore | f36158c | 2007-07-18 12:28:46 -0400 | [diff] [blame] | 332 | nlbl_sid = SECINITSID_UNLABELED; |
| 333 | netlbl_secattr_destroy(&secattr); |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 334 | if (rc != 0) |
| 335 | return rc; |
Linus Torvalds | 8d9107e | 2007-07-13 16:53:18 -0700 | [diff] [blame] | 336 | |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 337 | switch (sksec->sclass) { |
| 338 | case SECCLASS_UDP_SOCKET: |
Paul Moore | f36158c | 2007-07-18 12:28:46 -0400 | [diff] [blame] | 339 | perm = UDP_SOCKET__RECVFROM; |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 340 | break; |
| 341 | case SECCLASS_TCP_SOCKET: |
Paul Moore | f36158c | 2007-07-18 12:28:46 -0400 | [diff] [blame] | 342 | perm = TCP_SOCKET__RECVFROM; |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 343 | break; |
| 344 | default: |
Paul Moore | f36158c | 2007-07-18 12:28:46 -0400 | [diff] [blame] | 345 | perm = RAWIP_SOCKET__RECVFROM; |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 346 | } |
| 347 | |
Paul Moore | f36158c | 2007-07-18 12:28:46 -0400 | [diff] [blame] | 348 | rc = avc_has_perm(sksec->sid, nlbl_sid, sksec->sclass, perm, ad); |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 349 | if (rc == 0) |
| 350 | return 0; |
| 351 | |
Paul Moore | f36158c | 2007-07-18 12:28:46 -0400 | [diff] [blame] | 352 | if (nlbl_sid != SECINITSID_UNLABELED) |
| 353 | netlbl_skbuff_err(skb, rc); |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 354 | return rc; |
| 355 | } |
| 356 | |
| 357 | /** |
| 358 | * selinux_netlbl_socket_setsockopt - Do not allow users to remove a NetLabel |
| 359 | * @sock: the socket |
| 360 | * @level: the socket level or protocol |
| 361 | * @optname: the socket option name |
| 362 | * |
| 363 | * Description: |
| 364 | * Check the setsockopt() call and if the user is trying to replace the IP |
| 365 | * options on a socket and a NetLabel is in place for the socket deny the |
| 366 | * access; otherwise allow the access. Returns zero when the access is |
| 367 | * allowed, -EACCES when denied, and other negative values on error. |
| 368 | * |
| 369 | */ |
| 370 | int selinux_netlbl_socket_setsockopt(struct socket *sock, |
| 371 | int level, |
| 372 | int optname) |
| 373 | { |
| 374 | int rc = 0; |
Paul Moore | ba6ff9f | 2007-06-07 18:37:15 -0700 | [diff] [blame] | 375 | struct sock *sk = sock->sk; |
| 376 | struct sk_security_struct *sksec = sk->sk_security; |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 377 | struct netlbl_lsm_secattr secattr; |
| 378 | |
| 379 | rcu_read_lock(); |
| 380 | if (level == IPPROTO_IP && optname == IP_OPTIONS && |
| 381 | sksec->nlbl_state == NLBL_LABELED) { |
| 382 | netlbl_secattr_init(&secattr); |
Paul Moore | ba6ff9f | 2007-06-07 18:37:15 -0700 | [diff] [blame] | 383 | lock_sock(sk); |
| 384 | rc = netlbl_sock_getattr(sk, &secattr); |
| 385 | release_sock(sk); |
Paul Moore | 5778eab | 2007-02-28 15:14:22 -0500 | [diff] [blame] | 386 | if (rc == 0 && secattr.flags != NETLBL_SECATTR_NONE) |
| 387 | rc = -EACCES; |
| 388 | netlbl_secattr_destroy(&secattr); |
| 389 | } |
| 390 | rcu_read_unlock(); |
| 391 | |
| 392 | return rc; |
| 393 | } |