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securityfs: do not depend on CONFIG_SECURITY

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Add a new Kconfig option SECURITYFS which will build securityfs support
but does not require CONFIG_SECURITY.  The only current user of
securityfs does not depend on CONFIG_SECURITY and there is no reason the
full LSM needs to be built to build this fs.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Eric Paris
2008-08-22 11:35:57 -04:00
committed by James Morris
parent 86d688984d
commit da31894ed7
4 changed files with 41 additions and 25 deletions
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54
include/linux/security.h
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@ -1560,11 +1560,6 @@ struct security_operations {
extern int security_init(void);
extern int security_module_enable(struct security_operations *ops);
extern int register_security(struct security_operations *ops);
extern struct dentry *securityfs_create_file(const char *name, mode_t mode,
struct dentry *parent, void *data,
const struct file_operations *fops);
extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
extern void securityfs_remove(struct dentry *dentry);
/* Security operations */
int security_ptrace_may_access(struct task_struct *child, unsigned int mode);
@ -2424,25 +2419,6 @@ static inline int security_netlink_recv(struct sk_buff *skb, int cap)
return cap_netlink_recv(skb, cap);
}
static inline struct dentry *securityfs_create_dir(const char *name,
struct dentry *parent)
{
return ERR_PTR(-ENODEV);
}
static inline struct dentry *securityfs_create_file(const char *name,
mode_t mode,
struct dentry *parent,
void *data,
const struct file_operations *fops)
{
return ERR_PTR(-ENODEV);
}
static inline void securityfs_remove(struct dentry *dentry)
{
}
static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
{
return -EOPNOTSUPP;
@ -2806,5 +2782,35 @@ static inline void security_audit_rule_free(void *lsmrule)
#endif /* CONFIG_SECURITY */
#endif /* CONFIG_AUDIT */
#ifdef CONFIG_SECURITYFS
extern struct dentry *securityfs_create_file(const char *name, mode_t mode,
struct dentry *parent, void *data,
const struct file_operations *fops);
extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
extern void securityfs_remove(struct dentry *dentry);
#else /* CONFIG_SECURITYFS */
static inline struct dentry *securityfs_create_dir(const char *name,
struct dentry *parent)
{
return ERR_PTR(-ENODEV);
}
static inline struct dentry *securityfs_create_file(const char *name,
mode_t mode,
struct dentry *parent,
void *data,
const struct file_operations *fops)
{
return ERR_PTR(-ENODEV);
}
static inline void securityfs_remove(struct dentry *dentry)
{}
#endif
#endif /* ! __LINUX_SECURITY_H */