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path: root/net/netlabel/netlabel_domainhash.c
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Diffstat (limited to 'net/netlabel/netlabel_domainhash.c')
-rw-r--r--net/netlabel/netlabel_domainhash.c54
1 files changed, 47 insertions, 7 deletions
diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c
index f56d7a8ac7b7..d64e2ae3b129 100644
--- a/net/netlabel/netlabel_domainhash.c
+++ b/net/netlabel/netlabel_domainhash.c
@@ -35,12 +35,14 @@
35#include <linux/skbuff.h> 35#include <linux/skbuff.h>
36#include <linux/spinlock.h> 36#include <linux/spinlock.h>
37#include <linux/string.h> 37#include <linux/string.h>
38#include <linux/audit.h>
38#include <net/netlabel.h> 39#include <net/netlabel.h>
39#include <net/cipso_ipv4.h> 40#include <net/cipso_ipv4.h>
40#include <asm/bug.h> 41#include <asm/bug.h>
41 42
42#include "netlabel_mgmt.h" 43#include "netlabel_mgmt.h"
43#include "netlabel_domainhash.h" 44#include "netlabel_domainhash.h"
45#include "netlabel_user.h"
44 46
45struct netlbl_domhsh_tbl { 47struct netlbl_domhsh_tbl {
46 struct list_head *tbl; 48 struct list_head *tbl;
@@ -186,6 +188,7 @@ int netlbl_domhsh_init(u32 size)
186/** 188/**
187 * netlbl_domhsh_add - Adds a entry to the domain hash table 189 * netlbl_domhsh_add - Adds a entry to the domain hash table
188 * @entry: the entry to add 190 * @entry: the entry to add
191 * @audit_secid: the LSM secid to use in the audit message
189 * 192 *
190 * Description: 193 * Description:
191 * Adds a new entry to the domain hash table and handles any updates to the 194 * Adds a new entry to the domain hash table and handles any updates to the
@@ -193,10 +196,12 @@ int netlbl_domhsh_init(u32 size)
193 * negative on failure. 196 * negative on failure.
194 * 197 *
195 */ 198 */
196int netlbl_domhsh_add(struct netlbl_dom_map *entry) 199int netlbl_domhsh_add(struct netlbl_dom_map *entry, u32 audit_secid)
197{ 200{
198 int ret_val; 201 int ret_val;
199 u32 bkt; 202 u32 bkt;
203 struct audit_buffer *audit_buf;
204 char *audit_domain;
200 205
201 switch (entry->type) { 206 switch (entry->type) {
202 case NETLBL_NLTYPE_UNLABELED: 207 case NETLBL_NLTYPE_UNLABELED:
@@ -236,6 +241,26 @@ int netlbl_domhsh_add(struct netlbl_dom_map *entry)
236 spin_unlock(&netlbl_domhsh_def_lock); 241 spin_unlock(&netlbl_domhsh_def_lock);
237 } else 242 } else
238 ret_val = -EINVAL; 243 ret_val = -EINVAL;
244 if (ret_val == 0) {
245 if (entry->domain != NULL)
246 audit_domain = entry->domain;
247 else
248 audit_domain = "(default)";
249 audit_buf = netlbl_audit_start_common(AUDIT_MAC_MAP_ADD,
250 audit_secid);
251 audit_log_format(audit_buf, " domain=%s", audit_domain);
252 switch (entry->type) {
253 case NETLBL_NLTYPE_UNLABELED:
254 audit_log_format(audit_buf, " protocol=unlbl");
255 break;
256 case NETLBL_NLTYPE_CIPSOV4:
257 audit_log_format(audit_buf,
258 " protocol=cipsov4 doi=%u",
259 entry->type_def.cipsov4->doi);
260 break;
261 }
262 audit_log_end(audit_buf);
263 }
239 rcu_read_unlock(); 264 rcu_read_unlock();
240 265
241 if (ret_val != 0) { 266 if (ret_val != 0) {
@@ -254,6 +279,7 @@ int netlbl_domhsh_add(struct netlbl_dom_map *entry)
254/** 279/**
255 * netlbl_domhsh_add_default - Adds the default entry to the domain hash table 280 * netlbl_domhsh_add_default - Adds the default entry to the domain hash table
256 * @entry: the entry to add 281 * @entry: the entry to add
282 * @audit_secid: the LSM secid to use in the audit message
257 * 283 *
258 * Description: 284 * Description:
259 * Adds a new default entry to the domain hash table and handles any updates 285 * Adds a new default entry to the domain hash table and handles any updates
@@ -261,14 +287,15 @@ int netlbl_domhsh_add(struct netlbl_dom_map *entry)
261 * negative on failure. 287 * negative on failure.
262 * 288 *
263 */ 289 */
264int netlbl_domhsh_add_default(struct netlbl_dom_map *entry) 290int netlbl_domhsh_add_default(struct netlbl_dom_map *entry, u32 audit_secid)
265{ 291{
266 return netlbl_domhsh_add(entry); 292 return netlbl_domhsh_add(entry, audit_secid);
267} 293}
268 294
269/** 295/**
270 * netlbl_domhsh_remove - Removes an entry from the domain hash table 296 * netlbl_domhsh_remove - Removes an entry from the domain hash table
271 * @domain: the domain to remove 297 * @domain: the domain to remove
298 * @audit_secid: the LSM secid to use in the audit message
272 * 299 *
273 * Description: 300 * Description:
274 * Removes an entry from the domain hash table and handles any updates to the 301 * Removes an entry from the domain hash table and handles any updates to the
@@ -276,10 +303,12 @@ int netlbl_domhsh_add_default(struct netlbl_dom_map *entry)
276 * negative on failure. 303 * negative on failure.
277 * 304 *
278 */ 305 */
279int netlbl_domhsh_remove(const char *domain) 306int netlbl_domhsh_remove(const char *domain, u32 audit_secid)
280{ 307{
281 int ret_val = -ENOENT; 308 int ret_val = -ENOENT;
282 struct netlbl_dom_map *entry; 309 struct netlbl_dom_map *entry;
310 struct audit_buffer *audit_buf;
311 char *audit_domain;
283 312
284 rcu_read_lock(); 313 rcu_read_lock();
285 if (domain != NULL) 314 if (domain != NULL)
@@ -316,8 +345,18 @@ int netlbl_domhsh_remove(const char *domain)
316 ret_val = -ENOENT; 345 ret_val = -ENOENT;
317 spin_unlock(&netlbl_domhsh_def_lock); 346 spin_unlock(&netlbl_domhsh_def_lock);
318 } 347 }
319 if (ret_val == 0) 348 if (ret_val == 0) {
349 if (entry->domain != NULL)
350 audit_domain = entry->domain;
351 else
352 audit_domain = "(default)";
353 audit_buf = netlbl_audit_start_common(AUDIT_MAC_MAP_DEL,
354 audit_secid);
355 audit_log_format(audit_buf, " domain=%s", audit_domain);
356 audit_log_end(audit_buf);
357
320 call_rcu(&entry->rcu, netlbl_domhsh_free_entry); 358 call_rcu(&entry->rcu, netlbl_domhsh_free_entry);
359 }
321 360
322remove_return: 361remove_return:
323 rcu_read_unlock(); 362 rcu_read_unlock();
@@ -326,6 +365,7 @@ remove_return:
326 365
327/** 366/**
328 * netlbl_domhsh_remove_default - Removes the default entry from the table 367 * netlbl_domhsh_remove_default - Removes the default entry from the table
368 * @audit_secid: the LSM secid to use in the audit message
329 * 369 *
330 * Description: 370 * Description:
331 * Removes/resets the default entry for the domain hash table and handles any 371 * Removes/resets the default entry for the domain hash table and handles any
@@ -333,9 +373,9 @@ remove_return:
333 * success, non-zero on failure. 373 * success, non-zero on failure.
334 * 374 *
335 */ 375 */
336int netlbl_domhsh_remove_default(void) 376int netlbl_domhsh_remove_default(u32 audit_secid)
337{ 377{
338 return netlbl_domhsh_remove(NULL); 378 return netlbl_domhsh_remove(NULL, audit_secid);
339} 379}
340 380
341/** 381/**