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Diffstat (limited to 'include/linux/security.h')
-rw-r--r--include/linux/security.h66
1 files changed, 43 insertions, 23 deletions
diff --git a/include/linux/security.h b/include/linux/security.h
index dbfb5a66babb..49f2685324b0 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -53,12 +53,18 @@ struct msg_msg;
struct xattr;
struct xfrm_sec_ctx;
struct mm_struct;
+struct fs_context;
+struct fs_parameter;
+enum fs_value_type;
+/* Default (no) options for the capable function */
+#define CAP_OPT_NONE 0x0
/* If capable should audit the security request */
-#define SECURITY_CAP_NOAUDIT 0
-#define SECURITY_CAP_AUDIT 1
+#define CAP_OPT_NOAUDIT BIT(1)
+/* If capable is being called by a setid function */
+#define CAP_OPT_INSETID BIT(2)
-/* LSM Agnostic defines for sb_set_mnt_opts */
+/* LSM Agnostic defines for fs_context::lsm_flags */
#define SECURITY_LSM_NATIVE_LABELS 1
struct ctl_table;
@@ -72,7 +78,7 @@ enum lsm_event {
/* These functions are in security/commoncap.c */
extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
- int cap, int audit);
+ int cap, unsigned int opts);
extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
extern int cap_ptrace_traceme(struct task_struct *parent);
@@ -207,10 +213,10 @@ 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(const struct cred *cred, struct user_namespace *ns,
- int cap);
-int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
- int cap);
+int security_capable(const struct cred *cred,
+ struct user_namespace *ns,
+ int cap,
+ unsigned int opts);
int security_quotactl(int cmds, int type, int id, struct super_block *sb);
int security_quota_on(struct dentry *dentry);
int security_syslog(int type);
@@ -220,6 +226,8 @@ int security_bprm_set_creds(struct linux_binprm *bprm);
int security_bprm_check(struct linux_binprm *bprm);
void security_bprm_committing_creds(struct linux_binprm *bprm);
void security_bprm_committed_creds(struct linux_binprm *bprm);
+int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
+int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
int security_sb_alloc(struct super_block *sb);
void security_sb_free(struct super_block *sb);
void security_free_mnt_opts(void **mnt_opts);
@@ -366,8 +374,10 @@ int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
unsigned nsops, int alter);
void security_d_instantiate(struct dentry *dentry, struct inode *inode);
-int security_getprocattr(struct task_struct *p, char *name, char **value);
-int security_setprocattr(const char *name, void *value, size_t size);
+int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
+ char **value);
+int security_setprocattr(const char *lsm, const char *name, void *value,
+ size_t size);
int security_netlink_send(struct sock *sk, struct sk_buff *skb);
int security_ismaclabel(const char *name);
int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
@@ -462,14 +472,11 @@ static inline int security_capset(struct cred *new,
}
static inline int security_capable(const struct cred *cred,
- struct user_namespace *ns, int cap)
+ struct user_namespace *ns,
+ int cap,
+ unsigned int opts)
{
- return cap_capable(cred, ns, cap, SECURITY_CAP_AUDIT);
-}
-
-static inline int security_capable_noaudit(const struct cred *cred,
- struct user_namespace *ns, int cap) {
- return cap_capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
+ return cap_capable(cred, ns, cap, opts);
}
static inline int security_quotactl(int cmds, int type, int id,
@@ -517,6 +524,17 @@ static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
{
}
+static inline int security_fs_context_dup(struct fs_context *fc,
+ struct fs_context *src_fc)
+{
+ return 0;
+}
+static inline int security_fs_context_parse_param(struct fs_context *fc,
+ struct fs_parameter *param)
+{
+ return -ENOPARAM;
+}
+
static inline int security_sb_alloc(struct super_block *sb)
{
return 0;
@@ -1112,15 +1130,18 @@ static inline int security_sem_semop(struct kern_ipc_perm *sma,
return 0;
}
-static inline void security_d_instantiate(struct dentry *dentry, struct inode *inode)
+static inline void security_d_instantiate(struct dentry *dentry,
+ struct inode *inode)
{ }
-static inline int security_getprocattr(struct task_struct *p, char *name, char **value)
+static inline int security_getprocattr(struct task_struct *p, const char *lsm,
+ char *name, char **value)
{
return -EINVAL;
}
-static inline int security_setprocattr(char *name, void *value, size_t size)
+static inline int security_setprocattr(const char *lsm, char *name,
+ void *value, size_t size)
{
return -EINVAL;
}
@@ -1674,8 +1695,7 @@ static inline int security_key_getsecurity(struct key *key, char **_buffer)
#ifdef CONFIG_SECURITY
int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
int security_audit_rule_known(struct audit_krule *krule);
-int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
- struct audit_context *actx);
+int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
void security_audit_rule_free(void *lsmrule);
#else
@@ -1692,7 +1712,7 @@ static inline int security_audit_rule_known(struct audit_krule *krule)
}
static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
- void *lsmrule, struct audit_context *actx)
+ void *lsmrule)
{
return 0;
}