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Diffstat (limited to 'security/smack/smack_lsm.c')
-rw-r--r--security/smack/smack_lsm.c36
1 files changed, 28 insertions, 8 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 2b5d6f72f678..25cbfa3f71f4 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -1251,9 +1251,8 @@ static void smack_to_secattr(char *smack, struct netlbl_lsm_secattr *nlsp)
1251 1251
1252 switch (smack_net_nltype) { 1252 switch (smack_net_nltype) {
1253 case NETLBL_NLTYPE_CIPSOV4: 1253 case NETLBL_NLTYPE_CIPSOV4:
1254 nlsp->domain = NULL; 1254 nlsp->domain = kstrdup(smack, GFP_ATOMIC);
1255 nlsp->flags = NETLBL_SECATTR_DOMAIN; 1255 nlsp->flags = NETLBL_SECATTR_DOMAIN | NETLBL_SECATTR_MLS_LVL;
1256 nlsp->flags |= NETLBL_SECATTR_MLS_LVL;
1257 1256
1258 rc = smack_to_cipso(smack, &cipso); 1257 rc = smack_to_cipso(smack, &cipso);
1259 if (rc == 0) { 1258 if (rc == 0) {
@@ -1282,15 +1281,14 @@ static int smack_netlabel(struct sock *sk)
1282{ 1281{
1283 struct socket_smack *ssp; 1282 struct socket_smack *ssp;
1284 struct netlbl_lsm_secattr secattr; 1283 struct netlbl_lsm_secattr secattr;
1285 int rc = 0; 1284 int rc;
1286 1285
1287 ssp = sk->sk_security; 1286 ssp = sk->sk_security;
1288 netlbl_secattr_init(&secattr); 1287 netlbl_secattr_init(&secattr);
1289 smack_to_secattr(ssp->smk_out, &secattr); 1288 smack_to_secattr(ssp->smk_out, &secattr);
1290 if (secattr.flags != NETLBL_SECATTR_NONE) 1289 rc = netlbl_sock_setattr(sk, &secattr);
1291 rc = netlbl_sock_setattr(sk, &secattr);
1292
1293 netlbl_secattr_destroy(&secattr); 1290 netlbl_secattr_destroy(&secattr);
1291
1294 return rc; 1292 return rc;
1295} 1293}
1296 1294
@@ -1313,6 +1311,7 @@ static int smack_inode_setsecurity(struct inode *inode, const char *name,
1313 struct inode_smack *nsp = inode->i_security; 1311 struct inode_smack *nsp = inode->i_security;
1314 struct socket_smack *ssp; 1312 struct socket_smack *ssp;
1315 struct socket *sock; 1313 struct socket *sock;
1314 int rc = 0;
1316 1315
1317 if (value == NULL || size > SMK_LABELLEN) 1316 if (value == NULL || size > SMK_LABELLEN)
1318 return -EACCES; 1317 return -EACCES;
@@ -1341,7 +1340,10 @@ static int smack_inode_setsecurity(struct inode *inode, const char *name,
1341 ssp->smk_in = sp; 1340 ssp->smk_in = sp;
1342 else if (strcmp(name, XATTR_SMACK_IPOUT) == 0) { 1341 else if (strcmp(name, XATTR_SMACK_IPOUT) == 0) {
1343 ssp->smk_out = sp; 1342 ssp->smk_out = sp;
1344 return smack_netlabel(sock->sk); 1343 rc = smack_netlabel(sock->sk);
1344 if (rc != 0)
1345 printk(KERN_WARNING "Smack: \"%s\" netlbl error %d.\n",
1346 __func__, -rc);
1345 } else 1347 } else
1346 return -EOPNOTSUPP; 1348 return -EOPNOTSUPP;
1347 1349
@@ -2214,6 +2216,9 @@ static void smack_sock_graft(struct sock *sk, struct socket *parent)
2214 ssp->smk_packet[0] = '\0'; 2216 ssp->smk_packet[0] = '\0';
2215 2217
2216 rc = smack_netlabel(sk); 2218 rc = smack_netlabel(sk);
2219 if (rc != 0)
2220 printk(KERN_WARNING "Smack: \"%s\" netlbl error %d.\n",
2221 __func__, -rc);
2217} 2222}
2218 2223
2219/** 2224/**
@@ -2346,6 +2351,20 @@ static int smack_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
2346} 2351}
2347 2352
2348/* 2353/*
2354 * smack_secctx_to_secid - return the secid for a smack label
2355 * @secdata: smack label
2356 * @seclen: how long result is
2357 * @secid: outgoing integer
2358 *
2359 * Exists for audit and networking code.
2360 */
2361static int smack_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
2362{
2363 *secid = smack_to_secid(secdata);
2364 return 0;
2365}
2366
2367/*
2349 * smack_release_secctx - don't do anything. 2368 * smack_release_secctx - don't do anything.
2350 * @key_ref: unused 2369 * @key_ref: unused
2351 * @context: unused 2370 * @context: unused
@@ -2475,6 +2494,7 @@ static struct security_operations smack_ops = {
2475 .key_permission = smack_key_permission, 2494 .key_permission = smack_key_permission,
2476#endif /* CONFIG_KEYS */ 2495#endif /* CONFIG_KEYS */
2477 .secid_to_secctx = smack_secid_to_secctx, 2496 .secid_to_secctx = smack_secid_to_secctx,
2497 .secctx_to_secid = smack_secctx_to_secid,
2478 .release_secctx = smack_release_secctx, 2498 .release_secctx = smack_release_secctx,
2479}; 2499};
2480 2500