/* Boot-time LSM user choice */
static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1];
-/* things that live in dummy.c */
-extern struct security_operations dummy_security_ops;
+/* things that live in capability.c */
+extern struct security_operations default_security_ops;
extern void security_fixup_ops(struct security_operations *ops);
struct security_operations *security_ops; /* Initialized to NULL */
{
printk(KERN_INFO "Security Framework initialized\n");
- if (verify(&dummy_security_ops)) {
- printk(KERN_ERR "%s could not verify "
- "dummy_security_ops structure.\n", __func__);
- return -EIO;
- }
-
- security_ops = &dummy_security_ops;
+ security_fixup_ops(&default_security_ops);
+ security_ops = &default_security_ops;
do_security_initcalls();
return 0;
*
* Return true if:
* -The passed LSM is the one chosen by user at boot time,
- * -or user didsn't specify a specific LSM and we're the first to ask
- * for registeration permissoin,
+ * -or user didn't specify a specific LSM and we're the first to ask
+ * for registration permission,
* -or the passed LSM is currently loaded.
* Otherwise, return false.
*/
* register_security - registers a security framework with the kernel
* @ops: a pointer to the struct security_options that is to be registered
*
- * This function is to allow a security module to register itself with the
+ * This function allows a security module to register itself with the
* kernel security subsystem. Some rudimentary checking is done on the @ops
* value passed to this function. You'll need to check first if your LSM
* is allowed to register its @ops by calling security_module_enable(@ops).
*
* If there is already a security module registered with the kernel,
- * an error will be returned. Otherwise 0 is returned on success.
+ * an error will be returned. Otherwise %0 is returned on success.
*/
int register_security(struct security_operations *ops)
{
return -EINVAL;
}
- if (security_ops != &dummy_security_ops)
+ if (security_ops != &default_security_ops)
return -EAGAIN;
security_ops = ops;
return 0;
}
-/**
- * mod_reg_security - allows security modules to be "stacked"
- * @name: a pointer to a string with the name of the security_options to be registered
- * @ops: a pointer to the struct security_options that is to be registered
- *
- * This function allows security modules to be stacked if the currently loaded
- * security module allows this to happen. It passes the @name and @ops to the
- * register_security function of the currently loaded security module.
- *
- * The return value depends on the currently loaded security module, with 0 as
- * success.
- */
-int mod_reg_security(const char *name, struct security_operations *ops)
-{
- if (verify(ops)) {
- printk(KERN_INFO "%s could not verify "
- "security operations.\n", __func__);
- return -EINVAL;
- }
-
- if (ops == security_ops) {
- printk(KERN_INFO "%s security operations "
- "already registered.\n", __func__);
- return -EINVAL;
- }
+/* Security operations */
- return security_ops->register_security(name, ops);
+int security_ptrace_may_access(struct task_struct *child, unsigned int mode)
+{
+ return security_ops->ptrace_may_access(child, mode);
}
-/* Security operations */
-
-int security_ptrace(struct task_struct *parent, struct task_struct *child)
+int security_ptrace_traceme(struct task_struct *parent)
{
- return security_ops->ptrace(parent, child);
+ return security_ops->ptrace_traceme(parent);
}
int security_capget(struct task_struct *target,
return security_ops->capget(target, effective, inheritable, permitted);
}
-int security_capset_check(struct task_struct *target,
- kernel_cap_t *effective,
- kernel_cap_t *inheritable,
- kernel_cap_t *permitted)
+int security_capset_check(kernel_cap_t *effective,
+ kernel_cap_t *inheritable,
+ kernel_cap_t *permitted)
{
- return security_ops->capset_check(target, effective, inheritable, permitted);
+ return security_ops->capset_check(effective, inheritable, permitted);
}
-void security_capset_set(struct task_struct *target,
- kernel_cap_t *effective,
- kernel_cap_t *inheritable,
- kernel_cap_t *permitted)
+void security_capset_set(kernel_cap_t *effective,
+ kernel_cap_t *inheritable,
+ kernel_cap_t *permitted)
{
- security_ops->capset_set(target, effective, inheritable, permitted);
+ security_ops->capset_set(effective, inheritable, permitted);
}
int security_capable(struct task_struct *tsk, int cap)
{
- return security_ops->capable(tsk, cap);
+ return security_ops->capable(tsk, cap, SECURITY_CAP_AUDIT);
+}
+
+int security_capable_noaudit(struct task_struct *tsk, int cap)
+{
+ return security_ops->capable(tsk, cap, SECURITY_CAP_NOAUDIT);
}
int security_acct(struct file *file)
int security_vm_enough_memory(long pages)
{
+ WARN_ON(current->mm == NULL);
return security_ops->vm_enough_memory(current->mm, pages);
}
int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
{
+ WARN_ON(mm == NULL);
return security_ops->vm_enough_memory(mm, pages);
}
+int security_vm_enough_memory_kern(long pages)
+{
+ /* If current->mm is a kernel thread then we will pass NULL,
+ for this specific case that is fine */
+ return security_ops->vm_enough_memory(current->mm, pages);
+}
+
int security_bprm_alloc(struct linux_binprm *bprm)
{
return security_ops->bprm_alloc_security(bprm);
return security_ops->sb_kern_mount(sb, data);
}
+int security_sb_show_options(struct seq_file *m, struct super_block *sb)
+{
+ return security_ops->sb_show_options(m, sb);
+}
+
int security_sb_statfs(struct dentry *dentry)
{
return security_ops->sb_statfs(dentry);
}
-int security_sb_mount(char *dev_name, struct nameidata *nd,
+int security_sb_mount(char *dev_name, struct path *path,
char *type, unsigned long flags, void *data)
{
- return security_ops->sb_mount(dev_name, nd, type, flags, data);
+ return security_ops->sb_mount(dev_name, path, type, flags, data);
}
-int security_sb_check_sb(struct vfsmount *mnt, struct nameidata *nd)
+int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
{
- return security_ops->sb_check_sb(mnt, nd);
+ return security_ops->sb_check_sb(mnt, path);
}
int security_sb_umount(struct vfsmount *mnt, int flags)
security_ops->sb_post_remount(mnt, flags, data);
}
-void security_sb_post_addmount(struct vfsmount *mnt, struct nameidata *mountpoint_nd)
+void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
{
- security_ops->sb_post_addmount(mnt, mountpoint_nd);
+ security_ops->sb_post_addmount(mnt, mountpoint);
}
-int security_sb_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd)
+int security_sb_pivotroot(struct path *old_path, struct path *new_path)
{
- return security_ops->sb_pivotroot(old_nd, new_nd);
+ return security_ops->sb_pivotroot(old_path, new_path);
}
-void security_sb_post_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd)
+void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
{
- security_ops->sb_post_pivotroot(old_nd, new_nd);
-}
-
-int security_sb_get_mnt_opts(const struct super_block *sb,
- struct security_mnt_opts *opts)
-{
- return security_ops->sb_get_mnt_opts(sb, opts);
+ security_ops->sb_post_pivotroot(old_path, new_path);
}
int security_sb_set_mnt_opts(struct super_block *sb,
return security_ops->inode_follow_link(dentry, nd);
}
-int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd)
+int security_inode_permission(struct inode *inode, int mask)
{
if (unlikely(IS_PRIVATE(inode)))
return 0;
- return security_ops->inode_permission(inode, mask, nd);
+ return security_ops->inode_permission(inode, mask);
}
int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
return 0;
return security_ops->inode_setattr(dentry, attr);
}
+EXPORT_SYMBOL_GPL(security_inode_setattr);
int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
{
security_ops->inode_delete(inode);
}
-int security_inode_setxattr(struct dentry *dentry, char *name,
- void *value, size_t size, int flags)
+int security_inode_setxattr(struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
return 0;
return security_ops->inode_setxattr(dentry, name, value, size, flags);
}
-void security_inode_post_setxattr(struct dentry *dentry, char *name,
- void *value, size_t size, int flags)
+void security_inode_post_setxattr(struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
return;
security_ops->inode_post_setxattr(dentry, name, value, size, flags);
}
-int security_inode_getxattr(struct dentry *dentry, char *name)
+int security_inode_getxattr(struct dentry *dentry, const char *name)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
return 0;
return security_ops->inode_listxattr(dentry);
}
-int security_inode_removexattr(struct dentry *dentry, char *name)
+int security_inode_removexattr(struct dentry *dentry, const char *name)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
return 0;
}
int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
- unsigned long arg4, unsigned long arg5)
+ unsigned long arg4, unsigned long arg5, long *rc_p)
{
- return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
+ return security_ops->task_prctl(option, arg2, arg3, arg4, arg5, rc_p);
}
void security_task_reparent_to_init(struct task_struct *p)
}
EXPORT_SYMBOL(security_secid_to_secctx);
-int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
+int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
{
return security_ops->secctx_to_secid(secdata, seclen, secid);
}
void security_release_secctx(char *secdata, u32 seclen)
{
- return security_ops->release_secctx(secdata, seclen);
+ security_ops->release_secctx(secdata, seclen);
}
EXPORT_SYMBOL(security_release_secctx);
void security_sk_free(struct sock *sk)
{
- return security_ops->sk_free_security(sk);
+ security_ops->sk_free_security(sk);
}
void security_sk_clone(const struct sock *sk, struct sock *newsk)
{
- return security_ops->sk_clone_security(sk, newsk);
+ security_ops->sk_clone_security(sk, newsk);
}
void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
#ifdef CONFIG_SECURITY_NETWORK_XFRM
-int security_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx)
+int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
{
- return security_ops->xfrm_policy_alloc_security(xp, sec_ctx);
+ return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
}
EXPORT_SYMBOL(security_xfrm_policy_alloc);
-int security_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new)
+int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
+ struct xfrm_sec_ctx **new_ctxp)
{
- return security_ops->xfrm_policy_clone_security(old, new);
+ return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
}
-void security_xfrm_policy_free(struct xfrm_policy *xp)
+void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
{
- security_ops->xfrm_policy_free_security(xp);
+ security_ops->xfrm_policy_free_security(ctx);
}
EXPORT_SYMBOL(security_xfrm_policy_free);
-int security_xfrm_policy_delete(struct xfrm_policy *xp)
+int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
{
- return security_ops->xfrm_policy_delete_security(xp);
+ return security_ops->xfrm_policy_delete_security(ctx);
}
int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
security_ops->xfrm_state_free_security(x);
}
-int security_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir)
+int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
{
- return security_ops->xfrm_policy_lookup(xp, fl_secid, dir);
+ return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
}
int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
return security_ops->key_permission(key_ref, context, perm);
}
+int security_key_getsecurity(struct key *key, char **_buffer)
+{
+ return security_ops->key_getsecurity(key, _buffer);
+}
+
#endif /* CONFIG_KEYS */
#ifdef CONFIG_AUDIT
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff