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-rw-r--r--include/linux/capability.h17
-rw-r--r--include/linux/security.h41
-rw-r--r--include/net/cipso_ipv4.h6
-rw-r--r--include/net/netlabel.h86
4 files changed, 131 insertions, 19 deletions
diff --git a/include/linux/capability.h b/include/linux/capability.h
index e22f48c2a46..02bdb768d43 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -529,8 +529,21 @@ extern const kernel_cap_t __cap_init_eff_set;
*
* Note that this does not set PF_SUPERPRIV on the task.
*/
-#define has_capability(t, cap) (security_capable((t), (cap)) == 0)
-#define has_capability_noaudit(t, cap) (security_capable_noaudit((t), (cap)) == 0)
+#define has_capability(t, cap) (security_real_capable((t), (cap)) == 0)
+
+/**
+ * has_capability_noaudit - Determine if a task has a superior capability available (unaudited)
+ * @t: The task in question
+ * @cap: The capability to be tested for
+ *
+ * Return true if the specified task has the given superior capability
+ * currently in effect, false if not, but don't write an audit message for the
+ * check.
+ *
+ * Note that this does not set PF_SUPERPRIV on the task.
+ */
+#define has_capability_noaudit(t, cap) \
+ (security_real_capable_noaudit((t), (cap)) == 0)
extern int capable(int cap);
diff --git a/include/linux/security.h b/include/linux/security.h
index b92b5e453f6..1f2ab6353c0 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -48,7 +48,8 @@ struct audit_krule;
* These functions are in security/capability.c and are used
* as the default capabilities functions
*/
-extern int cap_capable(struct task_struct *tsk, int cap, int audit);
+extern int cap_capable(struct task_struct *tsk, const struct cred *cred,
+ int cap, int audit);
extern int cap_settime(struct timespec *ts, struct timezone *tz);
extern int cap_ptrace_may_access(struct task_struct *child, unsigned int mode);
extern int cap_ptrace_traceme(struct task_struct *parent);
@@ -1251,9 +1252,12 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
* @permitted contains the permitted capability set.
* Return 0 and update @new if permission is granted.
* @capable:
- * Check whether the @tsk process has the @cap capability.
+ * Check whether the @tsk process has the @cap capability in the indicated
+ * credentials.
* @tsk contains the task_struct for the process.
+ * @cred contains the credentials to use.
* @cap contains the capability <include/linux/capability.h>.
+ * @audit: Whether to write an audit message or not
* Return 0 if the capability is granted for @tsk.
* @acct:
* Check permission before enabling or disabling process accounting. If
@@ -1346,7 +1350,8 @@ struct security_operations {
const kernel_cap_t *effective,
const kernel_cap_t *inheritable,
const kernel_cap_t *permitted);
- int (*capable) (struct task_struct *tsk, int cap, int audit);
+ int (*capable) (struct task_struct *tsk, const struct cred *cred,
+ int cap, int audit);
int (*acct) (struct file *file);
int (*sysctl) (struct ctl_table *table, int op);
int (*quotactl) (int cmds, int type, int id, struct super_block *sb);
@@ -1628,8 +1633,9 @@ int security_capset(struct cred *new, const struct cred *old,
const kernel_cap_t *effective,
const kernel_cap_t *inheritable,
const kernel_cap_t *permitted);
-int security_capable(struct task_struct *tsk, int cap);
-int security_capable_noaudit(struct task_struct *tsk, int cap);
+int security_capable(int cap);
+int security_real_capable(struct task_struct *tsk, int cap);
+int security_real_capable_noaudit(struct task_struct *tsk, int cap);
int security_acct(struct file *file);
int security_sysctl(struct ctl_table *table, int op);
int security_quotactl(int cmds, int type, int id, struct super_block *sb);
@@ -1826,14 +1832,31 @@ static inline int security_capset(struct cred *new,
return cap_capset(new, old, effective, inheritable, permitted);
}
-static inline int security_capable(struct task_struct *tsk, int cap)
+static inline int security_capable(int cap)
{
- return cap_capable(tsk, cap, SECURITY_CAP_AUDIT);
+ return cap_capable(current, current_cred(), cap, SECURITY_CAP_AUDIT);
}
-static inline int security_capable_noaudit(struct task_struct *tsk, int cap)
+static inline int security_real_capable(struct task_struct *tsk, int cap)
{
- return cap_capable(tsk, cap, SECURITY_CAP_NOAUDIT);
+ int ret;
+
+ rcu_read_lock();
+ ret = cap_capable(tsk, __task_cred(tsk), cap, SECURITY_CAP_AUDIT);
+ rcu_read_unlock();
+ return ret;
+}
+
+static inline
+int security_real_capable_noaudit(struct task_struct *tsk, int cap)
+{
+ int ret;
+
+ rcu_read_lock();
+ ret = cap_capable(tsk, __task_cred(tsk), cap,
+ SECURITY_CAP_NOAUDIT);
+ rcu_read_unlock();
+ return ret;
}
static inline int security_acct(struct file *file)
diff --git a/include/net/cipso_ipv4.h b/include/net/cipso_ipv4.h
index 9909774eb99..bedc7f62e35 100644
--- a/include/net/cipso_ipv4.h
+++ b/include/net/cipso_ipv4.h
@@ -131,7 +131,8 @@ extern int cipso_v4_rbm_strictvalid;
*/
#ifdef CONFIG_NETLABEL
-int cipso_v4_doi_add(struct cipso_v4_doi *doi_def);
+int cipso_v4_doi_add(struct cipso_v4_doi *doi_def,
+ struct netlbl_audit *audit_info);
void cipso_v4_doi_free(struct cipso_v4_doi *doi_def);
int cipso_v4_doi_remove(u32 doi, struct netlbl_audit *audit_info);
struct cipso_v4_doi *cipso_v4_doi_getdef(u32 doi);
@@ -140,7 +141,8 @@ int cipso_v4_doi_walk(u32 *skip_cnt,
int (*callback) (struct cipso_v4_doi *doi_def, void *arg),
void *cb_arg);
#else
-static inline int cipso_v4_doi_add(struct cipso_v4_doi *doi_def)
+static inline int cipso_v4_doi_add(struct cipso_v4_doi *doi_def,
+ struct netlbl_audit *audit_info)
{
return -ENOSYS;
}
diff --git a/include/net/netlabel.h b/include/net/netlabel.h
index 17c442a4514..749011eedc0 100644
--- a/include/net/netlabel.h
+++ b/include/net/netlabel.h
@@ -33,6 +33,8 @@
#include <linux/types.h>
#include <linux/net.h>
#include <linux/skbuff.h>
+#include <linux/in.h>
+#include <linux/in6.h>
#include <net/netlink.h>
#include <asm/atomic.h>
@@ -353,13 +355,37 @@ static inline void netlbl_secattr_free(struct netlbl_lsm_secattr *secattr)
/*
* LSM configuration operations
*/
-int netlbl_cfg_map_del(const char *domain, struct netlbl_audit *audit_info);
-int netlbl_cfg_unlbl_add_map(const char *domain,
+int netlbl_cfg_map_del(const char *domain,
+ u16 family,
+ const void *addr,
+ const void *mask,
+ struct netlbl_audit *audit_info);
+int netlbl_cfg_unlbl_map_add(const char *domain,
+ u16 family,
+ const void *addr,
+ const void *mask,
struct netlbl_audit *audit_info);
-int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def,
+int netlbl_cfg_unlbl_static_add(struct net *net,
+ const char *dev_name,
+ const void *addr,
+ const void *mask,
+ u16 family,
+ u32 secid,
+ struct netlbl_audit *audit_info);
+int netlbl_cfg_unlbl_static_del(struct net *net,
+ const char *dev_name,
+ const void *addr,
+ const void *mask,
+ u16 family,
+ struct netlbl_audit *audit_info);
+int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def,
+ struct netlbl_audit *audit_info);
+void netlbl_cfg_cipsov4_del(u32 doi, struct netlbl_audit *audit_info);
+int netlbl_cfg_cipsov4_map_add(u32 doi,
const char *domain,
+ const struct in_addr *addr,
+ const struct in_addr *mask,
struct netlbl_audit *audit_info);
-
/*
* LSM security attribute operations
*/
@@ -401,19 +427,62 @@ void netlbl_skbuff_err(struct sk_buff *skb, int error, int gateway);
void netlbl_cache_invalidate(void);
int netlbl_cache_add(const struct sk_buff *skb,
const struct netlbl_lsm_secattr *secattr);
+
+/*
+ * Protocol engine operations
+ */
+struct audit_buffer *netlbl_audit_start(int type,
+ struct netlbl_audit *audit_info);
#else
static inline int netlbl_cfg_map_del(const char *domain,
+ u16 family,
+ const void *addr,
+ const void *mask,
struct netlbl_audit *audit_info)
{
return -ENOSYS;
}
-static inline int netlbl_cfg_unlbl_add_map(const char *domain,
+static inline int netlbl_cfg_unlbl_map_add(const char *domain,
+ u16 family,
+ void *addr,
+ void *mask,
struct netlbl_audit *audit_info)
{
return -ENOSYS;
}
-static inline int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def,
+static inline int netlbl_cfg_unlbl_static_add(struct net *net,
+ const char *dev_name,
+ const void *addr,
+ const void *mask,
+ u16 family,
+ u32 secid,
+ struct netlbl_audit *audit_info)
+{
+ return -ENOSYS;
+}
+static inline int netlbl_cfg_unlbl_static_del(struct net *net,
+ const char *dev_name,
+ const void *addr,
+ const void *mask,
+ u16 family,
+ struct netlbl_audit *audit_info)
+{
+ return -ENOSYS;
+}
+static inline int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def,
+ struct netlbl_audit *audit_info)
+{
+ return -ENOSYS;
+}
+static inline void netlbl_cfg_cipsov4_del(u32 doi,
+ struct netlbl_audit *audit_info)
+{
+ return;
+}
+static inline int netlbl_cfg_cipsov4_map_add(u32 doi,
const char *domain,
+ const struct in_addr *addr,
+ const struct in_addr *mask,
struct netlbl_audit *audit_info)
{
return -ENOSYS;
@@ -495,6 +564,11 @@ static inline int netlbl_cache_add(const struct sk_buff *skb,
{
return 0;
}
+static inline struct audit_buffer *netlbl_audit_start(int type,
+ struct netlbl_audit *audit_info)
+{
+ return NULL;
+}
#endif /* CONFIG_NETLABEL */
#endif /* _NETLABEL_H */