ima: hashing large files bug fix
[linux-2.6.git] / security / security.c
index ed5fb80..dc7674f 100644 (file)
  *     (at your option) any later version.
  */
 
-#include <linux/config.h>
+#include <linux/capability.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
-#include <linux/sched.h>
 #include <linux/security.h>
 
-#define SECURITY_FRAMEWORK_VERSION     "1.0.0"
+/* 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 */
@@ -52,42 +52,69 @@ static void __init do_security_initcalls(void)
  */
 int __init security_init(void)
 {
-       printk(KERN_INFO "Security Framework v" SECURITY_FRAMEWORK_VERSION
-              " initialized\n");
+       printk(KERN_INFO "Security Framework initialized\n");
 
-       if (verify(&dummy_security_ops)) {
-               printk(KERN_ERR "%s could not verify "
-                      "dummy_security_ops structure.\n", __FUNCTION__);
-               return -EIO;
-       }
-
-       security_ops = &dummy_security_ops;
+       security_fixup_ops(&default_security_ops);
+       security_ops = &default_security_ops;
        do_security_initcalls();
 
        return 0;
 }
 
+/* Save user chosen LSM */
+static int __init choose_lsm(char *str)
+{
+       strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
+       return 1;
+}
+__setup("security=", choose_lsm);
+
+/**
+ * security_module_enable - Load given security module on boot ?
+ * @ops: a pointer to the struct security_operations that is to be checked.
+ *
+ * Each LSM must pass this method before registering its own operations
+ * to avoid security registration races. This method may also be used
+ * to check if your LSM is currently loaded during kernel initialization.
+ *
+ * Return true if:
+ *     -The passed LSM is the one chosen by user at boot time,
+ *     -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.
+ */
+int __init security_module_enable(struct security_operations *ops)
+{
+       if (!*chosen_lsm)
+               strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
+       else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
+               return 0;
+
+       return 1;
+}
+
 /**
  * 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.  A call to unregister_security() should be
- * done to remove this security_options structure from the kernel.
+ * 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)
 {
        if (verify(ops)) {
                printk(KERN_DEBUG "%s could not verify "
-                      "security_operations structure.\n", __FUNCTION__);
+                      "security_operations structure.\n", __func__);
                return -EINVAL;
        }
 
-       if (security_ops != &dummy_security_ops)
+       if (security_ops != &default_security_ops)
                return -EAGAIN;
 
        security_ops = ops;
@@ -95,109 +122,1125 @@ int register_security(struct security_operations *ops)
        return 0;
 }
 
-/**
- * unregister_security - unregisters a security framework with the kernel
- * @ops: a pointer to the struct security_options that is to be registered
- *
- * This function removes a struct security_operations variable that had
- * previously been registered with a successful call to register_security().
- *
- * If @ops does not match the valued previously passed to register_security()
- * an error is returned.  Otherwise the default security options is set to the
- * the dummy_security_ops structure, and 0 is returned.
- */
-int unregister_security(struct security_operations *ops)
+/* Security operations */
+
+int security_ptrace_may_access(struct task_struct *child, unsigned int mode)
 {
-       if (ops != security_ops) {
-               printk(KERN_INFO "%s: trying to unregister "
-                      "a security_opts structure that is not "
-                      "registered, failing.\n", __FUNCTION__);
-               return -EINVAL;
-       }
+       return security_ops->ptrace_may_access(child, mode);
+}
 
-       security_ops = &dummy_security_ops;
+int security_ptrace_traceme(struct task_struct *parent)
+{
+       return security_ops->ptrace_traceme(parent);
+}
 
-       return 0;
+int security_capget(struct task_struct *target,
+                    kernel_cap_t *effective,
+                    kernel_cap_t *inheritable,
+                    kernel_cap_t *permitted)
+{
+       return security_ops->capget(target, effective, inheritable, permitted);
 }
 
-/**
- * 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)
+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)
 {
-       if (verify(ops)) {
-               printk(KERN_INFO "%s could not verify "
-                      "security operations.\n", __FUNCTION__);
-               return -EINVAL;
-       }
+       return security_ops->capset(new, old,
+                                   effective, inheritable, permitted);
+}
 
-       if (ops == security_ops) {
-               printk(KERN_INFO "%s security operations "
-                      "already registered.\n", __FUNCTION__);
-               return -EINVAL;
-       }
+int security_capable(int cap)
+{
+       return security_ops->capable(current, current_cred(), cap,
+                                    SECURITY_CAP_AUDIT);
+}
 
-       return security_ops->register_security(name, ops);
+int security_real_capable(struct task_struct *tsk, int cap)
+{
+       const struct cred *cred;
+       int ret;
+
+       cred = get_task_cred(tsk);
+       ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_AUDIT);
+       put_cred(cred);
+       return ret;
 }
 
-/**
- * mod_unreg_security - allows a security module registered with mod_reg_security() to be unloaded
- * @name: a pointer to a string with the name of the security_options to be removed
- * @ops: a pointer to the struct security_options that is to be removed
- *
- * This function allows security modules that have been successfully registered
- * with a call to mod_reg_security() to be unloaded from the system.
- * This calls the currently loaded security module's unregister_security() call
- * with the @name and @ops variables.
- *
- * The return value depends on the currently loaded security module, with 0 as
- * success.
- */
-int mod_unreg_security(const char *name, struct security_operations *ops)
+int security_real_capable_noaudit(struct task_struct *tsk, int cap)
 {
-       if (ops == security_ops) {
-               printk(KERN_INFO "%s invalid attempt to unregister "
-                      " primary security ops.\n", __FUNCTION__);
-               return -EINVAL;
-       }
+       const struct cred *cred;
+       int ret;
 
-       return security_ops->unregister_security(name, ops);
+       cred = get_task_cred(tsk);
+       ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_NOAUDIT);
+       put_cred(cred);
+       return ret;
 }
 
-/**
- * capable - calls the currently loaded security module's capable() function with the specified capability
- * @cap: the requested capability level.
- *
- * This function calls the currently loaded security module's capable()
- * function with a pointer to the current task and the specified @cap value.
- *
- * This allows the security module to implement the capable function call
- * however it chooses to.
- */
-int capable(int cap)
+int security_acct(struct file *file)
+{
+       return security_ops->acct(file);
+}
+
+int security_sysctl(struct ctl_table *table, int op)
+{
+       return security_ops->sysctl(table, op);
+}
+
+int security_quotactl(int cmds, int type, int id, struct super_block *sb)
+{
+       return security_ops->quotactl(cmds, type, id, sb);
+}
+
+int security_quota_on(struct dentry *dentry)
+{
+       return security_ops->quota_on(dentry);
+}
+
+int security_syslog(int type)
+{
+       return security_ops->syslog(type);
+}
+
+int security_settime(struct timespec *ts, struct timezone *tz)
+{
+       return security_ops->settime(ts, tz);
+}
+
+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_set_creds(struct linux_binprm *bprm)
+{
+       return security_ops->bprm_set_creds(bprm);
+}
+
+int security_bprm_check(struct linux_binprm *bprm)
+{
+       return security_ops->bprm_check_security(bprm);
+}
+
+void security_bprm_committing_creds(struct linux_binprm *bprm)
+{
+       security_ops->bprm_committing_creds(bprm);
+}
+
+void security_bprm_committed_creds(struct linux_binprm *bprm)
+{
+       security_ops->bprm_committed_creds(bprm);
+}
+
+int security_bprm_secureexec(struct linux_binprm *bprm)
+{
+       return security_ops->bprm_secureexec(bprm);
+}
+
+int security_sb_alloc(struct super_block *sb)
+{
+       return security_ops->sb_alloc_security(sb);
+}
+
+void security_sb_free(struct super_block *sb)
+{
+       security_ops->sb_free_security(sb);
+}
+
+int security_sb_copy_data(char *orig, char *copy)
+{
+       return security_ops->sb_copy_data(orig, copy);
+}
+EXPORT_SYMBOL(security_sb_copy_data);
+
+int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
+{
+       return security_ops->sb_kern_mount(sb, flags, 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 path *path,
+                       char *type, unsigned long flags, void *data)
+{
+       return security_ops->sb_mount(dev_name, path, type, flags, data);
+}
+
+int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
+{
+       return security_ops->sb_check_sb(mnt, path);
+}
+
+int security_sb_umount(struct vfsmount *mnt, int flags)
+{
+       return security_ops->sb_umount(mnt, flags);
+}
+
+void security_sb_umount_close(struct vfsmount *mnt)
+{
+       security_ops->sb_umount_close(mnt);
+}
+
+void security_sb_umount_busy(struct vfsmount *mnt)
+{
+       security_ops->sb_umount_busy(mnt);
+}
+
+void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
+{
+       security_ops->sb_post_remount(mnt, flags, data);
+}
+
+void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
+{
+       security_ops->sb_post_addmount(mnt, mountpoint);
+}
+
+int security_sb_pivotroot(struct path *old_path, struct path *new_path)
+{
+       return security_ops->sb_pivotroot(old_path, new_path);
+}
+
+void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
+{
+       security_ops->sb_post_pivotroot(old_path, new_path);
+}
+
+int security_sb_set_mnt_opts(struct super_block *sb,
+                               struct security_mnt_opts *opts)
+{
+       return security_ops->sb_set_mnt_opts(sb, opts);
+}
+EXPORT_SYMBOL(security_sb_set_mnt_opts);
+
+void security_sb_clone_mnt_opts(const struct super_block *oldsb,
+                               struct super_block *newsb)
+{
+       security_ops->sb_clone_mnt_opts(oldsb, newsb);
+}
+EXPORT_SYMBOL(security_sb_clone_mnt_opts);
+
+int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
+{
+       return security_ops->sb_parse_opts_str(options, opts);
+}
+EXPORT_SYMBOL(security_sb_parse_opts_str);
+
+int security_inode_alloc(struct inode *inode)
+{
+       inode->i_security = NULL;
+       return security_ops->inode_alloc_security(inode);
+}
+
+void security_inode_free(struct inode *inode)
+{
+       security_ops->inode_free_security(inode);
+}
+
+int security_inode_init_security(struct inode *inode, struct inode *dir,
+                                 char **name, void **value, size_t *len)
+{
+       if (unlikely(IS_PRIVATE(inode)))
+               return -EOPNOTSUPP;
+       return security_ops->inode_init_security(inode, dir, name, value, len);
+}
+EXPORT_SYMBOL(security_inode_init_security);
+
+#ifdef CONFIG_SECURITY_PATH
+int security_path_mknod(struct path *path, struct dentry *dentry, int mode,
+                       unsigned int dev)
 {
-       if (security_ops->capable(current, cap)) {
-               /* capability denied */
+       if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
                return 0;
-       }
+       return security_ops->path_mknod(path, dentry, mode, dev);
+}
+EXPORT_SYMBOL(security_path_mknod);
 
-       /* capability granted */
-       current->flags |= PF_SUPERPRIV;
-       return 1;
+int security_path_mkdir(struct path *path, struct dentry *dentry, int mode)
+{
+       if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
+               return 0;
+       return security_ops->path_mkdir(path, dentry, mode);
+}
+
+int security_path_rmdir(struct path *path, struct dentry *dentry)
+{
+       if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
+               return 0;
+       return security_ops->path_rmdir(path, dentry);
+}
+
+int security_path_unlink(struct path *path, struct dentry *dentry)
+{
+       if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
+               return 0;
+       return security_ops->path_unlink(path, dentry);
+}
+
+int security_path_symlink(struct path *path, struct dentry *dentry,
+                         const char *old_name)
+{
+       if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
+               return 0;
+       return security_ops->path_symlink(path, dentry, old_name);
+}
+
+int security_path_link(struct dentry *old_dentry, struct path *new_dir,
+                      struct dentry *new_dentry)
+{
+       if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
+               return 0;
+       return security_ops->path_link(old_dentry, new_dir, new_dentry);
+}
+
+int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
+                        struct path *new_dir, struct dentry *new_dentry)
+{
+       if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
+                    (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
+               return 0;
+       return security_ops->path_rename(old_dir, old_dentry, new_dir,
+                                        new_dentry);
+}
+
+int security_path_truncate(struct path *path, loff_t length,
+                          unsigned int time_attrs)
+{
+       if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
+               return 0;
+       return security_ops->path_truncate(path, length, time_attrs);
+}
+#endif
+
+int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
+{
+       if (unlikely(IS_PRIVATE(dir)))
+               return 0;
+       return security_ops->inode_create(dir, dentry, mode);
+}
+EXPORT_SYMBOL_GPL(security_inode_create);
+
+int security_inode_link(struct dentry *old_dentry, struct inode *dir,
+                        struct dentry *new_dentry)
+{
+       if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
+               return 0;
+       return security_ops->inode_link(old_dentry, dir, new_dentry);
+}
+
+int security_inode_unlink(struct inode *dir, struct dentry *dentry)
+{
+       if (unlikely(IS_PRIVATE(dentry->d_inode)))
+               return 0;
+       return security_ops->inode_unlink(dir, dentry);
+}
+
+int security_inode_symlink(struct inode *dir, struct dentry *dentry,
+                           const char *old_name)
+{
+       if (unlikely(IS_PRIVATE(dir)))
+               return 0;
+       return security_ops->inode_symlink(dir, dentry, old_name);
+}
+
+int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
+{
+       if (unlikely(IS_PRIVATE(dir)))
+               return 0;
+       return security_ops->inode_mkdir(dir, dentry, mode);
+}
+EXPORT_SYMBOL_GPL(security_inode_mkdir);
+
+int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
+{
+       if (unlikely(IS_PRIVATE(dentry->d_inode)))
+               return 0;
+       return security_ops->inode_rmdir(dir, dentry);
+}
+
+int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
+{
+       if (unlikely(IS_PRIVATE(dir)))
+               return 0;
+       return security_ops->inode_mknod(dir, dentry, mode, dev);
+}
+
+int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
+                          struct inode *new_dir, struct dentry *new_dentry)
+{
+        if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
+            (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
+               return 0;
+       return security_ops->inode_rename(old_dir, old_dentry,
+                                          new_dir, new_dentry);
+}
+
+int security_inode_readlink(struct dentry *dentry)
+{
+       if (unlikely(IS_PRIVATE(dentry->d_inode)))
+               return 0;
+       return security_ops->inode_readlink(dentry);
+}
+
+int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
+{
+       if (unlikely(IS_PRIVATE(dentry->d_inode)))
+               return 0;
+       return security_ops->inode_follow_link(dentry, nd);
+}
+
+int security_inode_permission(struct inode *inode, int mask)
+{
+       if (unlikely(IS_PRIVATE(inode)))
+               return 0;
+       return security_ops->inode_permission(inode, mask);
+}
+
+int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
+{
+       if (unlikely(IS_PRIVATE(dentry->d_inode)))
+               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)
+{
+       if (unlikely(IS_PRIVATE(dentry->d_inode)))
+               return 0;
+       return security_ops->inode_getattr(mnt, dentry);
+}
+
+void security_inode_delete(struct inode *inode)
+{
+       if (unlikely(IS_PRIVATE(inode)))
+               return;
+       security_ops->inode_delete(inode);
+}
+
+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, 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, const char *name)
+{
+       if (unlikely(IS_PRIVATE(dentry->d_inode)))
+               return 0;
+       return security_ops->inode_getxattr(dentry, name);
+}
+
+int security_inode_listxattr(struct dentry *dentry)
+{
+       if (unlikely(IS_PRIVATE(dentry->d_inode)))
+               return 0;
+       return security_ops->inode_listxattr(dentry);
+}
+
+int security_inode_removexattr(struct dentry *dentry, const char *name)
+{
+       if (unlikely(IS_PRIVATE(dentry->d_inode)))
+               return 0;
+       return security_ops->inode_removexattr(dentry, name);
+}
+
+int security_inode_need_killpriv(struct dentry *dentry)
+{
+       return security_ops->inode_need_killpriv(dentry);
+}
+
+int security_inode_killpriv(struct dentry *dentry)
+{
+       return security_ops->inode_killpriv(dentry);
+}
+
+int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
+{
+       if (unlikely(IS_PRIVATE(inode)))
+               return 0;
+       return security_ops->inode_getsecurity(inode, name, buffer, alloc);
+}
+
+int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
+{
+       if (unlikely(IS_PRIVATE(inode)))
+               return 0;
+       return security_ops->inode_setsecurity(inode, name, value, size, flags);
+}
+
+int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
+{
+       if (unlikely(IS_PRIVATE(inode)))
+               return 0;
+       return security_ops->inode_listsecurity(inode, buffer, buffer_size);
+}
+
+void security_inode_getsecid(const struct inode *inode, u32 *secid)
+{
+       security_ops->inode_getsecid(inode, secid);
+}
+
+int security_file_permission(struct file *file, int mask)
+{
+       return security_ops->file_permission(file, mask);
+}
+
+int security_file_alloc(struct file *file)
+{
+       return security_ops->file_alloc_security(file);
+}
+
+void security_file_free(struct file *file)
+{
+       security_ops->file_free_security(file);
+}
+
+int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+       return security_ops->file_ioctl(file, cmd, arg);
+}
+
+int security_file_mmap(struct file *file, unsigned long reqprot,
+                       unsigned long prot, unsigned long flags,
+                       unsigned long addr, unsigned long addr_only)
+{
+       return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
+}
+
+int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
+                           unsigned long prot)
+{
+       return security_ops->file_mprotect(vma, reqprot, prot);
+}
+
+int security_file_lock(struct file *file, unsigned int cmd)
+{
+       return security_ops->file_lock(file, cmd);
+}
+
+int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+       return security_ops->file_fcntl(file, cmd, arg);
+}
+
+int security_file_set_fowner(struct file *file)
+{
+       return security_ops->file_set_fowner(file);
+}
+
+int security_file_send_sigiotask(struct task_struct *tsk,
+                                 struct fown_struct *fown, int sig)
+{
+       return security_ops->file_send_sigiotask(tsk, fown, sig);
+}
+
+int security_file_receive(struct file *file)
+{
+       return security_ops->file_receive(file);
+}
+
+int security_dentry_open(struct file *file, const struct cred *cred)
+{
+       return security_ops->dentry_open(file, cred);
+}
+
+int security_task_create(unsigned long clone_flags)
+{
+       return security_ops->task_create(clone_flags);
+}
+
+void security_cred_free(struct cred *cred)
+{
+       security_ops->cred_free(cred);
+}
+
+int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
+{
+       return security_ops->cred_prepare(new, old, gfp);
+}
+
+void security_commit_creds(struct cred *new, const struct cred *old)
+{
+       security_ops->cred_commit(new, old);
+}
+
+int security_kernel_act_as(struct cred *new, u32 secid)
+{
+       return security_ops->kernel_act_as(new, secid);
+}
+
+int security_kernel_create_files_as(struct cred *new, struct inode *inode)
+{
+       return security_ops->kernel_create_files_as(new, inode);
+}
+
+int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
+{
+       return security_ops->task_setuid(id0, id1, id2, flags);
+}
+
+int security_task_fix_setuid(struct cred *new, const struct cred *old,
+                            int flags)
+{
+       return security_ops->task_fix_setuid(new, old, flags);
+}
+
+int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
+{
+       return security_ops->task_setgid(id0, id1, id2, flags);
+}
+
+int security_task_setpgid(struct task_struct *p, pid_t pgid)
+{
+       return security_ops->task_setpgid(p, pgid);
+}
+
+int security_task_getpgid(struct task_struct *p)
+{
+       return security_ops->task_getpgid(p);
+}
+
+int security_task_getsid(struct task_struct *p)
+{
+       return security_ops->task_getsid(p);
+}
+
+void security_task_getsecid(struct task_struct *p, u32 *secid)
+{
+       security_ops->task_getsecid(p, secid);
+}
+EXPORT_SYMBOL(security_task_getsecid);
+
+int security_task_setgroups(struct group_info *group_info)
+{
+       return security_ops->task_setgroups(group_info);
+}
+
+int security_task_setnice(struct task_struct *p, int nice)
+{
+       return security_ops->task_setnice(p, nice);
+}
+
+int security_task_setioprio(struct task_struct *p, int ioprio)
+{
+       return security_ops->task_setioprio(p, ioprio);
+}
+
+int security_task_getioprio(struct task_struct *p)
+{
+       return security_ops->task_getioprio(p);
+}
+
+int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
+{
+       return security_ops->task_setrlimit(resource, new_rlim);
+}
+
+int security_task_setscheduler(struct task_struct *p,
+                               int policy, struct sched_param *lp)
+{
+       return security_ops->task_setscheduler(p, policy, lp);
+}
+
+int security_task_getscheduler(struct task_struct *p)
+{
+       return security_ops->task_getscheduler(p);
+}
+
+int security_task_movememory(struct task_struct *p)
+{
+       return security_ops->task_movememory(p);
+}
+
+int security_task_kill(struct task_struct *p, struct siginfo *info,
+                       int sig, u32 secid)
+{
+       return security_ops->task_kill(p, info, sig, secid);
+}
+
+int security_task_wait(struct task_struct *p)
+{
+       return security_ops->task_wait(p);
+}
+
+int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
+                        unsigned long arg4, unsigned long arg5)
+{
+       return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
+}
+
+void security_task_to_inode(struct task_struct *p, struct inode *inode)
+{
+       security_ops->task_to_inode(p, inode);
+}
+
+int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
+{
+       return security_ops->ipc_permission(ipcp, flag);
+}
+
+void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
+{
+       security_ops->ipc_getsecid(ipcp, secid);
+}
+
+int security_msg_msg_alloc(struct msg_msg *msg)
+{
+       return security_ops->msg_msg_alloc_security(msg);
+}
+
+void security_msg_msg_free(struct msg_msg *msg)
+{
+       security_ops->msg_msg_free_security(msg);
+}
+
+int security_msg_queue_alloc(struct msg_queue *msq)
+{
+       return security_ops->msg_queue_alloc_security(msq);
+}
+
+void security_msg_queue_free(struct msg_queue *msq)
+{
+       security_ops->msg_queue_free_security(msq);
+}
+
+int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
+{
+       return security_ops->msg_queue_associate(msq, msqflg);
+}
+
+int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
+{
+       return security_ops->msg_queue_msgctl(msq, cmd);
+}
+
+int security_msg_queue_msgsnd(struct msg_queue *msq,
+                              struct msg_msg *msg, int msqflg)
+{
+       return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
+}
+
+int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
+                              struct task_struct *target, long type, int mode)
+{
+       return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
+}
+
+int security_shm_alloc(struct shmid_kernel *shp)
+{
+       return security_ops->shm_alloc_security(shp);
+}
+
+void security_shm_free(struct shmid_kernel *shp)
+{
+       security_ops->shm_free_security(shp);
+}
+
+int security_shm_associate(struct shmid_kernel *shp, int shmflg)
+{
+       return security_ops->shm_associate(shp, shmflg);
+}
+
+int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
+{
+       return security_ops->shm_shmctl(shp, cmd);
+}
+
+int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
+{
+       return security_ops->shm_shmat(shp, shmaddr, shmflg);
+}
+
+int security_sem_alloc(struct sem_array *sma)
+{
+       return security_ops->sem_alloc_security(sma);
+}
+
+void security_sem_free(struct sem_array *sma)
+{
+       security_ops->sem_free_security(sma);
+}
+
+int security_sem_associate(struct sem_array *sma, int semflg)
+{
+       return security_ops->sem_associate(sma, semflg);
+}
+
+int security_sem_semctl(struct sem_array *sma, int cmd)
+{
+       return security_ops->sem_semctl(sma, cmd);
+}
+
+int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
+                       unsigned nsops, int alter)
+{
+       return security_ops->sem_semop(sma, sops, nsops, alter);
+}
+
+void security_d_instantiate(struct dentry *dentry, struct inode *inode)
+{
+       if (unlikely(inode && IS_PRIVATE(inode)))
+               return;
+       security_ops->d_instantiate(dentry, inode);
+}
+EXPORT_SYMBOL(security_d_instantiate);
+
+int security_getprocattr(struct task_struct *p, char *name, char **value)
+{
+       return security_ops->getprocattr(p, name, value);
+}
+
+int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
+{
+       return security_ops->setprocattr(p, name, value, size);
+}
+
+int security_netlink_send(struct sock *sk, struct sk_buff *skb)
+{
+       return security_ops->netlink_send(sk, skb);
+}
+
+int security_netlink_recv(struct sk_buff *skb, int cap)
+{
+       return security_ops->netlink_recv(skb, cap);
+}
+EXPORT_SYMBOL(security_netlink_recv);
+
+int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
+{
+       return security_ops->secid_to_secctx(secid, secdata, seclen);
+}
+EXPORT_SYMBOL(security_secid_to_secctx);
+
+int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
+{
+       return security_ops->secctx_to_secid(secdata, seclen, secid);
+}
+EXPORT_SYMBOL(security_secctx_to_secid);
+
+void security_release_secctx(char *secdata, u32 seclen)
+{
+       security_ops->release_secctx(secdata, seclen);
+}
+EXPORT_SYMBOL(security_release_secctx);
+
+#ifdef CONFIG_SECURITY_NETWORK
+
+int security_unix_stream_connect(struct socket *sock, struct socket *other,
+                                struct sock *newsk)
+{
+       return security_ops->unix_stream_connect(sock, other, newsk);
+}
+EXPORT_SYMBOL(security_unix_stream_connect);
+
+int security_unix_may_send(struct socket *sock,  struct socket *other)
+{
+       return security_ops->unix_may_send(sock, other);
+}
+EXPORT_SYMBOL(security_unix_may_send);
+
+int security_socket_create(int family, int type, int protocol, int kern)
+{
+       return security_ops->socket_create(family, type, protocol, kern);
+}
+
+int security_socket_post_create(struct socket *sock, int family,
+                               int type, int protocol, int kern)
+{
+       return security_ops->socket_post_create(sock, family, type,
+                                               protocol, kern);
+}
+
+int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
+{
+       return security_ops->socket_bind(sock, address, addrlen);
+}
+
+int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
+{
+       return security_ops->socket_connect(sock, address, addrlen);
+}
+
+int security_socket_listen(struct socket *sock, int backlog)
+{
+       return security_ops->socket_listen(sock, backlog);
+}
+
+int security_socket_accept(struct socket *sock, struct socket *newsock)
+{
+       return security_ops->socket_accept(sock, newsock);
+}
+
+int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
+{
+       return security_ops->socket_sendmsg(sock, msg, size);
+}
+
+int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
+                           int size, int flags)
+{
+       return security_ops->socket_recvmsg(sock, msg, size, flags);
+}
+
+int security_socket_getsockname(struct socket *sock)
+{
+       return security_ops->socket_getsockname(sock);
+}
+
+int security_socket_getpeername(struct socket *sock)
+{
+       return security_ops->socket_getpeername(sock);
+}
+
+int security_socket_getsockopt(struct socket *sock, int level, int optname)
+{
+       return security_ops->socket_getsockopt(sock, level, optname);
+}
+
+int security_socket_setsockopt(struct socket *sock, int level, int optname)
+{
+       return security_ops->socket_setsockopt(sock, level, optname);
+}
+
+int security_socket_shutdown(struct socket *sock, int how)
+{
+       return security_ops->socket_shutdown(sock, how);
+}
+
+int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
+{
+       return security_ops->socket_sock_rcv_skb(sk, skb);
+}
+EXPORT_SYMBOL(security_sock_rcv_skb);
+
+int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
+                                     int __user *optlen, unsigned len)
+{
+       return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
+}
+
+int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
+{
+       return security_ops->socket_getpeersec_dgram(sock, skb, secid);
+}
+EXPORT_SYMBOL(security_socket_getpeersec_dgram);
+
+int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
+{
+       return security_ops->sk_alloc_security(sk, family, priority);
+}
+
+void security_sk_free(struct sock *sk)
+{
+       security_ops->sk_free_security(sk);
+}
+
+void security_sk_clone(const struct sock *sk, struct sock *newsk)
+{
+       security_ops->sk_clone_security(sk, newsk);
+}
+
+void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
+{
+       security_ops->sk_getsecid(sk, &fl->secid);
+}
+EXPORT_SYMBOL(security_sk_classify_flow);
+
+void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
+{
+       security_ops->req_classify_flow(req, fl);
+}
+EXPORT_SYMBOL(security_req_classify_flow);
+
+void security_sock_graft(struct sock *sk, struct socket *parent)
+{
+       security_ops->sock_graft(sk, parent);
+}
+EXPORT_SYMBOL(security_sock_graft);
+
+int security_inet_conn_request(struct sock *sk,
+                       struct sk_buff *skb, struct request_sock *req)
+{
+       return security_ops->inet_conn_request(sk, skb, req);
+}
+EXPORT_SYMBOL(security_inet_conn_request);
+
+void security_inet_csk_clone(struct sock *newsk,
+                       const struct request_sock *req)
+{
+       security_ops->inet_csk_clone(newsk, req);
+}
+
+void security_inet_conn_established(struct sock *sk,
+                       struct sk_buff *skb)
+{
+       security_ops->inet_conn_established(sk, skb);
+}
+
+#endif /* CONFIG_SECURITY_NETWORK */
+
+#ifdef CONFIG_SECURITY_NETWORK_XFRM
+
+int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *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_sec_ctx *old_ctx,
+                             struct xfrm_sec_ctx **new_ctxp)
+{
+       return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
+}
+
+void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
+{
+       security_ops->xfrm_policy_free_security(ctx);
+}
+EXPORT_SYMBOL(security_xfrm_policy_free);
+
+int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
+{
+       return security_ops->xfrm_policy_delete_security(ctx);
+}
+
+int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
+{
+       return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
+}
+EXPORT_SYMBOL(security_xfrm_state_alloc);
+
+int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
+                                     struct xfrm_sec_ctx *polsec, u32 secid)
+{
+       if (!polsec)
+               return 0;
+       /*
+        * We want the context to be taken from secid which is usually
+        * from the sock.
+        */
+       return security_ops->xfrm_state_alloc_security(x, NULL, secid);
+}
+
+int security_xfrm_state_delete(struct xfrm_state *x)
+{
+       return security_ops->xfrm_state_delete_security(x);
+}
+EXPORT_SYMBOL(security_xfrm_state_delete);
+
+void security_xfrm_state_free(struct xfrm_state *x)
+{
+       security_ops->xfrm_state_free_security(x);
+}
+
+int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
+{
+       return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
+}
+
+int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
+                                      struct xfrm_policy *xp, struct flowi *fl)
+{
+       return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
+}
+
+int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
+{
+       return security_ops->xfrm_decode_session(skb, secid, 1);
+}
+
+void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
+{
+       int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
+
+       BUG_ON(rc);
+}
+EXPORT_SYMBOL(security_skb_classify_flow);
+
+#endif /* CONFIG_SECURITY_NETWORK_XFRM */
+
+#ifdef CONFIG_KEYS
+
+int security_key_alloc(struct key *key, const struct cred *cred,
+                      unsigned long flags)
+{
+       return security_ops->key_alloc(key, cred, flags);
+}
+
+void security_key_free(struct key *key)
+{
+       security_ops->key_free(key);
+}
+
+int security_key_permission(key_ref_t key_ref,
+                           const struct cred *cred, key_perm_t perm)
+{
+       return security_ops->key_permission(key_ref, cred, perm);
+}
+
+int security_key_getsecurity(struct key *key, char **_buffer)
+{
+       return security_ops->key_getsecurity(key, _buffer);
+}
+
+#endif /* CONFIG_KEYS */
+
+#ifdef CONFIG_AUDIT
+
+int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
+{
+       return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
+}
+
+int security_audit_rule_known(struct audit_krule *krule)
+{
+       return security_ops->audit_rule_known(krule);
+}
+
+void security_audit_rule_free(void *lsmrule)
+{
+       security_ops->audit_rule_free(lsmrule);
+}
+
+int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
+                             struct audit_context *actx)
+{
+       return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
 }
 
-EXPORT_SYMBOL_GPL(register_security);
-EXPORT_SYMBOL_GPL(unregister_security);
-EXPORT_SYMBOL_GPL(mod_reg_security);
-EXPORT_SYMBOL_GPL(mod_unreg_security);
-EXPORT_SYMBOL(capable);
-EXPORT_SYMBOL(security_ops);
+#endif /* CONFIG_AUDIT */