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Message-ID: <1927480.BbWS0J87xT@sifl>
Date:	Thu, 07 May 2015 17:02:57 -0400
From:	Paul Moore <pmoore@...hat.com>
To:	Casey Schaufler <casey@...aufler-ca.com>
Cc:	James Morris <jmorris@...ei.org>,
	James Morris <james.l.morris@...cle.com>,
	LSM <linux-security-module@...r.kernel.org>,
	LKLM <linux-kernel@...r.kernel.org>,
	John Johansen <john.johansen@...onical.com>,
	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
	Stephen Smalley <sds@...ho.nsa.gov>,
	Eric Paris <eparis@...hat.com>,
	Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH 4/7 v22] LSM: Introduce security hook calling Macros

On Saturday, May 02, 2015 03:11:29 PM Casey Schaufler wrote:
> Subject: [PATCH 4/7 v22] LSM: Introduce security hook calling Macros
> 
> Introduce two macros around calling the functions in the
> security operations vector. The marco versions here do not
> change any behavior.
> 
> Signed-off-by: Casey Schaufler <casey@...aufler-ca.com>

Acked-by: Paul Moore <paul@...l-moore.com>

> diff --git a/security/security.c b/security/security.c
> index 9c95fe0..02dc720 100644
> --- a/security/security.c
> +++ b/security/security.c
> @@ -133,29 +133,42 @@ int __init register_security(struct
> security_operations *ops) return 0;
>  }
> 
> +/*
> + * Hook operation macros.
> + *
> + * call_void_hook:
> + *	This is a hook that does not return a value.
> + *
> + * call_int_hook:
> + *	This is a hook that returns a value.
> + */
> +
> +#define call_void_hook(FUNC, ...)	security_ops->FUNC(__VA_ARGS__)
> +#define call_int_hook(FUNC, IRC, ...)	security_ops->FUNC(__VA_ARGS__)
> +
>  /* Security operations */
> 
>  int security_binder_set_context_mgr(struct task_struct *mgr)
>  {
> -	return security_ops->binder_set_context_mgr(mgr);
> +	return call_int_hook(binder_set_context_mgr, 0, mgr);
>  }
> 
>  int security_binder_transaction(struct task_struct *from,
>  				struct task_struct *to)
>  {
> -	return security_ops->binder_transaction(from, to);
> +	return call_int_hook(binder_transaction, 0, from, to);
>  }
> 
>  int security_binder_transfer_binder(struct task_struct *from,
>  				    struct task_struct *to)
>  {
> -	return security_ops->binder_transfer_binder(from, to);
> +	return call_int_hook(binder_transfer_binder, 0, from, to);
>  }
> 
>  int security_binder_transfer_file(struct task_struct *from,
>  				  struct task_struct *to, struct file *file)
>  {
> -	return security_ops->binder_transfer_file(from, to, file);
> +	return call_int_hook(binder_transfer_file, 0, from, to, file);
>  }
> 
>  int security_ptrace_access_check(struct task_struct *child, unsigned int
> mode) @@ -166,7 +179,7 @@ int security_ptrace_access_check(struct
> task_struct *child, unsigned int mode) if (rc)
>  		return rc;
>  #endif
> -	return security_ops->ptrace_access_check(child, mode);
> +	return call_int_hook(ptrace_access_check, 0, child, mode);
>  }
> 
>  int security_ptrace_traceme(struct task_struct *parent)
> @@ -177,7 +190,7 @@ int security_ptrace_traceme(struct task_struct *parent)
>  	if (rc)
>  		return rc;
>  #endif
> -	return security_ops->ptrace_traceme(parent);
> +	return call_int_hook(ptrace_traceme, 0, parent);
>  }
> 
>  int security_capget(struct task_struct *target,
> @@ -185,7 +198,8 @@ int security_capget(struct task_struct *target,
>  		     kernel_cap_t *inheritable,
>  		     kernel_cap_t *permitted)
>  {
> -	return security_ops->capget(target, effective, inheritable, permitted);
> +	return call_int_hook(capget, 0, target,
> +				effective, inheritable, permitted);
>  }
> 
>  int security_capset(struct cred *new, const struct cred *old,
> @@ -193,57 +207,57 @@ int security_capset(struct cred *new, const struct
> cred *old, const kernel_cap_t *inheritable,
>  		    const kernel_cap_t *permitted)
>  {
> -	return security_ops->capset(new, old,
> -				    effective, inheritable, permitted);
> +	return call_int_hook(capset, 0, new, old,
> +				effective, inheritable, permitted);
>  }
> 
>  int security_capable(const struct cred *cred, struct user_namespace *ns,
>  		     int cap)
>  {
> -	return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT);
> +	return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT);
>  }
> 
>  int security_capable_noaudit(const struct cred *cred, struct user_namespace
> *ns, int cap)
>  {
> -	return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
> +	return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT);
>  }
> 
>  int security_quotactl(int cmds, int type, int id, struct super_block *sb)
>  {
> -	return security_ops->quotactl(cmds, type, id, sb);
> +	return call_int_hook(quotactl, 0, cmds, type, id, sb);
>  }
> 
>  int security_quota_on(struct dentry *dentry)
>  {
> -	return security_ops->quota_on(dentry);
> +	return call_int_hook(quota_on, 0, dentry);
>  }
> 
>  int security_syslog(int type)
>  {
> -	return security_ops->syslog(type);
> +	return call_int_hook(syslog, 0, type);
>  }
> 
>  int security_settime(const struct timespec *ts, const struct timezone *tz)
>  {
> -	return security_ops->settime(ts, tz);
> +	return call_int_hook(settime, 0, ts, tz);
>  }
> 
>  int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
>  {
> -	return security_ops->vm_enough_memory(mm, pages);
> +	return call_int_hook(vm_enough_memory, 0, mm, pages);
>  }
> 
>  int security_bprm_set_creds(struct linux_binprm *bprm)
>  {
> -	return security_ops->bprm_set_creds(bprm);
> +	return call_int_hook(bprm_set_creds, 0, bprm);
>  }
> 
>  int security_bprm_check(struct linux_binprm *bprm)
>  {
>  	int ret;
> 
> -	ret = security_ops->bprm_check_security(bprm);
> +	ret = call_int_hook(bprm_check_security, 0, bprm);
>  	if (ret)
>  		return ret;
>  	return ima_bprm_check(bprm);
> @@ -251,69 +265,69 @@ int security_bprm_check(struct linux_binprm *bprm)
> 
>  void security_bprm_committing_creds(struct linux_binprm *bprm)
>  {
> -	security_ops->bprm_committing_creds(bprm);
> +	call_void_hook(bprm_committing_creds, bprm);
>  }
> 
>  void security_bprm_committed_creds(struct linux_binprm *bprm)
>  {
> -	security_ops->bprm_committed_creds(bprm);
> +	call_void_hook(bprm_committed_creds, bprm);
>  }
> 
>  int security_bprm_secureexec(struct linux_binprm *bprm)
>  {
> -	return security_ops->bprm_secureexec(bprm);
> +	return call_int_hook(bprm_secureexec, 0, bprm);
>  }
> 
>  int security_sb_alloc(struct super_block *sb)
>  {
> -	return security_ops->sb_alloc_security(sb);
> +	return call_int_hook(sb_alloc_security, 0, sb);
>  }
> 
>  void security_sb_free(struct super_block *sb)
>  {
> -	security_ops->sb_free_security(sb);
> +	call_void_hook(sb_free_security, sb);
>  }
> 
>  int security_sb_copy_data(char *orig, char *copy)
>  {
> -	return security_ops->sb_copy_data(orig, copy);
> +	return call_int_hook(sb_copy_data, 0, orig, copy);
>  }
>  EXPORT_SYMBOL(security_sb_copy_data);
> 
>  int security_sb_remount(struct super_block *sb, void *data)
>  {
> -	return security_ops->sb_remount(sb, data);
> +	return call_int_hook(sb_remount, 0, sb, data);
>  }
> 
>  int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
>  {
> -	return security_ops->sb_kern_mount(sb, flags, data);
> +	return call_int_hook(sb_kern_mount, 0, sb, flags, data);
>  }
> 
>  int security_sb_show_options(struct seq_file *m, struct super_block *sb)
>  {
> -	return security_ops->sb_show_options(m, sb);
> +	return call_int_hook(sb_show_options, 0, m, sb);
>  }
> 
>  int security_sb_statfs(struct dentry *dentry)
>  {
> -	return security_ops->sb_statfs(dentry);
> +	return call_int_hook(sb_statfs, 0, dentry);
>  }
> 
>  int security_sb_mount(const char *dev_name, struct path *path,
>                         const char *type, unsigned long flags, void *data)
>  {
> -	return security_ops->sb_mount(dev_name, path, type, flags, data);
> +	return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data);
>  }
> 
>  int security_sb_umount(struct vfsmount *mnt, int flags)
>  {
> -	return security_ops->sb_umount(mnt, flags);
> +	return call_int_hook(sb_umount, 0, mnt, flags);
>  }
> 
>  int security_sb_pivotroot(struct path *old_path, struct path *new_path)
>  {
> -	return security_ops->sb_pivotroot(old_path, new_path);
> +	return call_int_hook(sb_pivotroot, 0, old_path, new_path);
>  }
> 
>  int security_sb_set_mnt_opts(struct super_block *sb,
> @@ -321,7 +335,7 @@ int security_sb_set_mnt_opts(struct super_block *sb,
>  				unsigned long kern_flags,
>  				unsigned long *set_kern_flags)
>  {
> -	return security_ops->sb_set_mnt_opts(sb, opts, kern_flags,
> +	return call_int_hook(sb_set_mnt_opts, 0, sb, opts, kern_flags,
>  						set_kern_flags);
>  }
>  EXPORT_SYMBOL(security_sb_set_mnt_opts);
> @@ -329,33 +343,33 @@ EXPORT_SYMBOL(security_sb_set_mnt_opts);
>  int security_sb_clone_mnt_opts(const struct super_block *oldsb,
>  				struct super_block *newsb)
>  {
> -	return security_ops->sb_clone_mnt_opts(oldsb, newsb);
> +	return call_int_hook(sb_clone_mnt_opts, 0, 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);
> +	return call_int_hook(sb_parse_opts_str, 0, 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);
> +	return call_int_hook(inode_alloc_security, 0, inode);
>  }
> 
>  void security_inode_free(struct inode *inode)
>  {
>  	integrity_inode_free(inode);
> -	security_ops->inode_free_security(inode);
> +	call_void_hook(inode_free_security, inode);
>  }
> 
>  int security_dentry_init_security(struct dentry *dentry, int mode,
>  					struct qstr *name, void **ctx,
>  					u32 *ctxlen)
>  {
> -	return security_ops->dentry_init_security(dentry, mode, name,
> +	return call_int_hook(dentry_init_security, 0, dentry, mode, name,
>  							ctx, ctxlen);
>  }
>  EXPORT_SYMBOL(security_dentry_init_security);
> @@ -372,11 +386,11 @@ int security_inode_init_security(struct inode *inode,
> struct inode *dir, return 0;
> 
>  	if (!initxattrs)
> -		return security_ops->inode_init_security(inode, dir, qstr,
> +		return call_int_hook(inode_init_security, 0, inode, dir, qstr,
>  							 NULL, NULL, NULL);
>  	memset(new_xattrs, 0, sizeof(new_xattrs));
>  	lsm_xattr = new_xattrs;
> -	ret = security_ops->inode_init_security(inode, dir, qstr,
> +	ret = call_int_hook(inode_init_security, 0, inode, dir, qstr,
>  						&lsm_xattr->name,
>  						&lsm_xattr->value,
>  						&lsm_xattr->value_len);
> @@ -401,8 +415,8 @@ int security_old_inode_init_security(struct inode
> *inode, struct inode *dir, {
>  	if (unlikely(IS_PRIVATE(inode)))
>  		return -EOPNOTSUPP;
> -	return security_ops->inode_init_security(inode, dir, qstr, name, value,
> -						 len);
> +	return call_int_hook(inode_init_security, 0, inode, dir, qstr,
> +				name, value, len);
>  }
>  EXPORT_SYMBOL(security_old_inode_init_security);
> 
> @@ -412,7 +426,7 @@ int security_path_mknod(struct path *dir, struct dentry
> *dentry, umode_t mode, {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
>  		return 0;
> -	return security_ops->path_mknod(dir, dentry, mode, dev);
> +	return call_int_hook(path_mknod, 0, dir, dentry, mode, dev);
>  }
>  EXPORT_SYMBOL(security_path_mknod);
> 
> @@ -420,7 +434,7 @@ int security_path_mkdir(struct path *dir, struct dentry
> *dentry, umode_t mode) {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
>  		return 0;
> -	return security_ops->path_mkdir(dir, dentry, mode);
> +	return call_int_hook(path_mkdir, 0, dir, dentry, mode);
>  }
>  EXPORT_SYMBOL(security_path_mkdir);
> 
> @@ -428,14 +442,14 @@ int security_path_rmdir(struct path *dir, struct
> dentry *dentry) {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
>  		return 0;
> -	return security_ops->path_rmdir(dir, dentry);
> +	return call_int_hook(path_rmdir, 0, dir, dentry);
>  }
> 
>  int security_path_unlink(struct path *dir, struct dentry *dentry)
>  {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
>  		return 0;
> -	return security_ops->path_unlink(dir, dentry);
> +	return call_int_hook(path_unlink, 0, dir, dentry);
>  }
>  EXPORT_SYMBOL(security_path_unlink);
> 
> @@ -444,7 +458,7 @@ int security_path_symlink(struct path *dir, struct
> dentry *dentry, {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
>  		return 0;
> -	return security_ops->path_symlink(dir, dentry, old_name);
> +	return call_int_hook(path_symlink, 0, dir, dentry, old_name);
>  }
> 
>  int security_path_link(struct dentry *old_dentry, struct path *new_dir,
> @@ -452,7 +466,7 @@ int security_path_link(struct dentry *old_dentry, struct
> path *new_dir, {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
>  		return 0;
> -	return security_ops->path_link(old_dentry, new_dir, new_dentry);
> +	return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
>  }
> 
>  int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
> @@ -464,14 +478,14 @@ int security_path_rename(struct path *old_dir, struct
> dentry *old_dentry, return 0;
> 
>  	if (flags & RENAME_EXCHANGE) {
> -		int err = security_ops->path_rename(new_dir, new_dentry,
> -						    old_dir, old_dentry);
> +		int err = call_int_hook(path_rename, 0, new_dir, new_dentry,
> +					old_dir, old_dentry);
>  		if (err)
>  			return err;
>  	}
> 
> -	return security_ops->path_rename(old_dir, old_dentry, new_dir,
> -					 new_dentry);
> +	return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir,
> +				new_dentry);
>  }
>  EXPORT_SYMBOL(security_path_rename);
> 
> @@ -479,26 +493,26 @@ int security_path_truncate(struct path *path)
>  {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
>  		return 0;
> -	return security_ops->path_truncate(path);
> +	return call_int_hook(path_truncate, 0, path);
>  }
> 
>  int security_path_chmod(struct path *path, umode_t mode)
>  {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
>  		return 0;
> -	return security_ops->path_chmod(path, mode);
> +	return call_int_hook(path_chmod, 0, path, mode);
>  }
> 
>  int security_path_chown(struct path *path, kuid_t uid, kgid_t gid)
>  {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
>  		return 0;
> -	return security_ops->path_chown(path, uid, gid);
> +	return call_int_hook(path_chown, 0, path, uid, gid);
>  }
> 
>  int security_path_chroot(struct path *path)
>  {
> -	return security_ops->path_chroot(path);
> +	return call_int_hook(path_chroot, 0, path);
>  }
>  #endif
> 
> @@ -506,7 +520,7 @@ int security_inode_create(struct inode *dir, struct
> dentry *dentry, umode_t mode {
>  	if (unlikely(IS_PRIVATE(dir)))
>  		return 0;
> -	return security_ops->inode_create(dir, dentry, mode);
> +	return call_int_hook(inode_create, 0, dir, dentry, mode);
>  }
>  EXPORT_SYMBOL_GPL(security_inode_create);
> 
> @@ -515,14 +529,14 @@ int security_inode_link(struct dentry *old_dentry,
> struct inode *dir, {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
>  		return 0;
> -	return security_ops->inode_link(old_dentry, dir, new_dentry);
> +	return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry);
>  }
> 
>  int security_inode_unlink(struct inode *dir, struct dentry *dentry)
>  {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
>  		return 0;
> -	return security_ops->inode_unlink(dir, dentry);
> +	return call_int_hook(inode_unlink, 0, dir, dentry);
>  }
> 
>  int security_inode_symlink(struct inode *dir, struct dentry *dentry,
> @@ -530,14 +544,14 @@ int security_inode_symlink(struct inode *dir, struct
> dentry *dentry, {
>  	if (unlikely(IS_PRIVATE(dir)))
>  		return 0;
> -	return security_ops->inode_symlink(dir, dentry, old_name);
> +	return call_int_hook(inode_symlink, 0, dir, dentry, old_name);
>  }
> 
>  int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t
> mode) {
>  	if (unlikely(IS_PRIVATE(dir)))
>  		return 0;
> -	return security_ops->inode_mkdir(dir, dentry, mode);
> +	return call_int_hook(inode_mkdir, 0, dir, dentry, mode);
>  }
>  EXPORT_SYMBOL_GPL(security_inode_mkdir);
> 
> @@ -545,14 +559,14 @@ int security_inode_rmdir(struct inode *dir, struct
> dentry *dentry) {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
>  		return 0;
> -	return security_ops->inode_rmdir(dir, dentry);
> +	return call_int_hook(inode_rmdir, 0, dir, dentry);
>  }
> 
>  int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t
> mode, dev_t dev) {
>  	if (unlikely(IS_PRIVATE(dir)))
>  		return 0;
> -	return security_ops->inode_mknod(dir, dentry, mode, dev);
> +	return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev);
>  }
> 
>  int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
> @@ -564,13 +578,13 @@ int security_inode_rename(struct inode *old_dir,
> struct dentry *old_dentry, return 0;
> 
>  	if (flags & RENAME_EXCHANGE) {
> -		int err = security_ops->inode_rename(new_dir, new_dentry,
> +		int err = call_int_hook(inode_rename, 0, new_dir, new_dentry,
>  						     old_dir, old_dentry);
>  		if (err)
>  			return err;
>  	}
> 
> -	return security_ops->inode_rename(old_dir, old_dentry,
> +	return call_int_hook(inode_rename, 0, old_dir, old_dentry,
>  					   new_dir, new_dentry);
>  }
> 
> @@ -578,21 +592,21 @@ int security_inode_readlink(struct dentry *dentry)
>  {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
>  		return 0;
> -	return security_ops->inode_readlink(dentry);
> +	return call_int_hook(inode_readlink, 0, dentry);
>  }
> 
>  int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
> {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
>  		return 0;
> -	return security_ops->inode_follow_link(dentry, nd);
> +	return call_int_hook(inode_follow_link, 0, 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);
> +	return call_int_hook(inode_permission, 0, inode, mask);
>  }
> 
>  int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
> @@ -601,7 +615,7 @@ int security_inode_setattr(struct dentry *dentry, struct
> iattr *attr)
> 
>  	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
>  		return 0;
> -	ret = security_ops->inode_setattr(dentry, attr);
> +	ret = call_int_hook(inode_setattr, 0, dentry, attr);
>  	if (ret)
>  		return ret;
>  	return evm_inode_setattr(dentry, attr);
> @@ -612,7 +626,7 @@ int security_inode_getattr(const struct path *path)
>  {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
>  		return 0;
> -	return security_ops->inode_getattr(path);
> +	return call_int_hook(inode_getattr, 0, path);
>  }
> 
>  int security_inode_setxattr(struct dentry *dentry, const char *name,
> @@ -622,7 +636,8 @@ int security_inode_setxattr(struct dentry *dentry, const
> char *name,
> 
>  	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
>  		return 0;
> -	ret = security_ops->inode_setxattr(dentry, name, value, size, flags);
> +	ret = call_int_hook(inode_setxattr, 0, dentry, name, value, size,
> +				flags);
>  	if (ret)
>  		return ret;
>  	ret = ima_inode_setxattr(dentry, name, value, size);
> @@ -636,7 +651,7 @@ void security_inode_post_setxattr(struct dentry *dentry,
> const char *name, {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
>  		return;
> -	security_ops->inode_post_setxattr(dentry, name, value, size, flags);
> +	call_void_hook(inode_post_setxattr, dentry, name, value, size, flags);
>  	evm_inode_post_setxattr(dentry, name, value, size);
>  }
> 
> @@ -644,14 +659,14 @@ int security_inode_getxattr(struct dentry *dentry,
> const char *name) {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
>  		return 0;
> -	return security_ops->inode_getxattr(dentry, name);
> +	return call_int_hook(inode_getxattr, 0, dentry, name);
>  }
> 
>  int security_inode_listxattr(struct dentry *dentry)
>  {
>  	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
>  		return 0;
> -	return security_ops->inode_listxattr(dentry);
> +	return call_int_hook(inode_listxattr, 0, dentry);
>  }
> 
>  int security_inode_removexattr(struct dentry *dentry, const char *name)
> @@ -660,7 +675,7 @@ int security_inode_removexattr(struct dentry *dentry,
> const char *name)
> 
>  	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
>  		return 0;
> -	ret = security_ops->inode_removexattr(dentry, name);
> +	ret = call_int_hook(inode_removexattr, 0, dentry, name);
>  	if (ret)
>  		return ret;
>  	ret = ima_inode_removexattr(dentry, name);
> @@ -671,46 +686,47 @@ int security_inode_removexattr(struct dentry *dentry,
> const char *name)
> 
>  int security_inode_need_killpriv(struct dentry *dentry)
>  {
> -	return security_ops->inode_need_killpriv(dentry);
> +	return call_int_hook(inode_need_killpriv, 0, dentry);
>  }
> 
>  int security_inode_killpriv(struct dentry *dentry)
>  {
> -	return security_ops->inode_killpriv(dentry);
> +	return call_int_hook(inode_killpriv, 0, dentry);
>  }
> 
>  int security_inode_getsecurity(const struct inode *inode, const char *name,
> void **buffer, bool alloc) {
>  	if (unlikely(IS_PRIVATE(inode)))
>  		return -EOPNOTSUPP;
> -	return security_ops->inode_getsecurity(inode, name, buffer, alloc);
> +	return call_int_hook(inode_getsecurity, 0, 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 -EOPNOTSUPP;
> -	return security_ops->inode_setsecurity(inode, name, value, size, flags);
> +	return call_int_hook(inode_setsecurity, 0, 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);
> +	return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size);
>  }
>  EXPORT_SYMBOL(security_inode_listsecurity);
> 
>  void security_inode_getsecid(const struct inode *inode, u32 *secid)
>  {
> -	security_ops->inode_getsecid(inode, secid);
> +	call_void_hook(inode_getsecid, inode, secid);
>  }
> 
>  int security_file_permission(struct file *file, int mask)
>  {
>  	int ret;
> 
> -	ret = security_ops->file_permission(file, mask);
> +	ret = call_int_hook(file_permission, 0, file, mask);
>  	if (ret)
>  		return ret;
> 
> @@ -719,17 +735,17 @@ int security_file_permission(struct file *file, int
> mask)
> 
>  int security_file_alloc(struct file *file)
>  {
> -	return security_ops->file_alloc_security(file);
> +	return call_int_hook(file_alloc_security, 0, file);
>  }
> 
>  void security_file_free(struct file *file)
>  {
> -	security_ops->file_free_security(file);
> +	call_void_hook(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);
> +	return call_int_hook(file_ioctl, 0, file, cmd, arg);
>  }
> 
>  static inline unsigned long mmap_prot(struct file *file, unsigned long
> prot) @@ -769,7 +785,7 @@ int security_mmap_file(struct file *file,
> unsigned long prot, unsigned long flags)
>  {
>  	int ret;
> -	ret = security_ops->mmap_file(file, prot,
> +	ret = call_int_hook(mmap_file, 0, file, prot,
>  					mmap_prot(file, prot), flags);
>  	if (ret)
>  		return ret;
> @@ -778,46 +794,46 @@ int security_mmap_file(struct file *file, unsigned
> long prot,
> 
>  int security_mmap_addr(unsigned long addr)
>  {
> -	return security_ops->mmap_addr(addr);
> +	return call_int_hook(mmap_addr, 0, addr);
>  }
> 
>  int security_file_mprotect(struct vm_area_struct *vma, unsigned long
> reqprot, unsigned long prot)
>  {
> -	return security_ops->file_mprotect(vma, reqprot, prot);
> +	return call_int_hook(file_mprotect, 0, vma, reqprot, prot);
>  }
> 
>  int security_file_lock(struct file *file, unsigned int cmd)
>  {
> -	return security_ops->file_lock(file, cmd);
> +	return call_int_hook(file_lock, 0, file, cmd);
>  }
> 
>  int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long
> arg) {
> -	return security_ops->file_fcntl(file, cmd, arg);
> +	return call_int_hook(file_fcntl, 0, file, cmd, arg);
>  }
> 
>  void security_file_set_fowner(struct file *file)
>  {
> -	security_ops->file_set_fowner(file);
> +	call_void_hook(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);
> +	return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig);
>  }
> 
>  int security_file_receive(struct file *file)
>  {
> -	return security_ops->file_receive(file);
> +	return call_int_hook(file_receive, 0, file);
>  }
> 
>  int security_file_open(struct file *file, const struct cred *cred)
>  {
>  	int ret;
> 
> -	ret = security_ops->file_open(file, cred);
> +	ret = call_int_hook(file_open, 0, file, cred);
>  	if (ret)
>  		return ret;
> 
> @@ -826,7 +842,7 @@ int security_file_open(struct file *file, const struct
> cred *cred)
> 
>  int security_task_create(unsigned long clone_flags)
>  {
> -	return security_ops->task_create(clone_flags);
> +	return call_int_hook(task_create, 0, clone_flags);
>  }
> 
>  void security_task_free(struct task_struct *task)
> @@ -834,44 +850,44 @@ void security_task_free(struct task_struct *task)
>  #ifdef CONFIG_SECURITY_YAMA_STACKED
>  	yama_task_free(task);
>  #endif
> -	security_ops->task_free(task);
> +	call_void_hook(task_free, task);
>  }
> 
>  int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
>  {
> -	return security_ops->cred_alloc_blank(cred, gfp);
> +	return call_int_hook(cred_alloc_blank, 0, cred, gfp);
>  }
> 
>  void security_cred_free(struct cred *cred)
>  {
> -	security_ops->cred_free(cred);
> +	call_void_hook(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);
> +	return call_int_hook(cred_prepare, 0, new, old, gfp);
>  }
> 
>  void security_transfer_creds(struct cred *new, const struct cred *old)
>  {
> -	security_ops->cred_transfer(new, old);
> +	call_void_hook(cred_transfer, new, old);
>  }
> 
>  int security_kernel_act_as(struct cred *new, u32 secid)
>  {
> -	return security_ops->kernel_act_as(new, secid);
> +	return call_int_hook(kernel_act_as, 0, new, secid);
>  }
> 
>  int security_kernel_create_files_as(struct cred *new, struct inode *inode)
>  {
> -	return security_ops->kernel_create_files_as(new, inode);
> +	return call_int_hook(kernel_create_files_as, 0, new, inode);
>  }
> 
>  int security_kernel_fw_from_file(struct file *file, char *buf, size_t size)
> {
>  	int ret;
> 
> -	ret = security_ops->kernel_fw_from_file(file, buf, size);
> +	ret = call_int_hook(kernel_fw_from_file, 0, file, buf, size);
>  	if (ret)
>  		return ret;
>  	return ima_fw_from_file(file, buf, size);
> @@ -880,14 +896,14 @@ EXPORT_SYMBOL_GPL(security_kernel_fw_from_file);
> 
>  int security_kernel_module_request(char *kmod_name)
>  {
> -	return security_ops->kernel_module_request(kmod_name);
> +	return call_int_hook(kernel_module_request, 0, kmod_name);
>  }
> 
>  int security_kernel_module_from_file(struct file *file)
>  {
>  	int ret;
> 
> -	ret = security_ops->kernel_module_from_file(file);
> +	ret = call_int_hook(kernel_module_from_file, 0, file);
>  	if (ret)
>  		return ret;
>  	return ima_module_check(file);
> @@ -896,75 +912,75 @@ int security_kernel_module_from_file(struct file
> *file) int security_task_fix_setuid(struct cred *new, const struct cred
> *old, int flags)
>  {
> -	return security_ops->task_fix_setuid(new, old, flags);
> +	return call_int_hook(task_fix_setuid, 0, new, old, flags);
>  }
> 
>  int security_task_setpgid(struct task_struct *p, pid_t pgid)
>  {
> -	return security_ops->task_setpgid(p, pgid);
> +	return call_int_hook(task_setpgid, 0, p, pgid);
>  }
> 
>  int security_task_getpgid(struct task_struct *p)
>  {
> -	return security_ops->task_getpgid(p);
> +	return call_int_hook(task_getpgid, 0, p);
>  }
> 
>  int security_task_getsid(struct task_struct *p)
>  {
> -	return security_ops->task_getsid(p);
> +	return call_int_hook(task_getsid, 0, p);
>  }
> 
>  void security_task_getsecid(struct task_struct *p, u32 *secid)
>  {
> -	security_ops->task_getsecid(p, secid);
> +	call_void_hook(task_getsecid, p, secid);
>  }
>  EXPORT_SYMBOL(security_task_getsecid);
> 
>  int security_task_setnice(struct task_struct *p, int nice)
>  {
> -	return security_ops->task_setnice(p, nice);
> +	return call_int_hook(task_setnice, 0, p, nice);
>  }
> 
>  int security_task_setioprio(struct task_struct *p, int ioprio)
>  {
> -	return security_ops->task_setioprio(p, ioprio);
> +	return call_int_hook(task_setioprio, 0, p, ioprio);
>  }
> 
>  int security_task_getioprio(struct task_struct *p)
>  {
> -	return security_ops->task_getioprio(p);
> +	return call_int_hook(task_getioprio, 0, p);
>  }
> 
>  int security_task_setrlimit(struct task_struct *p, unsigned int resource,
>  		struct rlimit *new_rlim)
>  {
> -	return security_ops->task_setrlimit(p, resource, new_rlim);
> +	return call_int_hook(task_setrlimit, 0, p, resource, new_rlim);
>  }
> 
>  int security_task_setscheduler(struct task_struct *p)
>  {
> -	return security_ops->task_setscheduler(p);
> +	return call_int_hook(task_setscheduler, 0, p);
>  }
> 
>  int security_task_getscheduler(struct task_struct *p)
>  {
> -	return security_ops->task_getscheduler(p);
> +	return call_int_hook(task_getscheduler, 0, p);
>  }
> 
>  int security_task_movememory(struct task_struct *p)
>  {
> -	return security_ops->task_movememory(p);
> +	return call_int_hook(task_movememory, 0, 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);
> +	return call_int_hook(task_kill, 0, p, info, sig, secid);
>  }
> 
>  int security_task_wait(struct task_struct *p)
>  {
> -	return security_ops->task_wait(p);
> +	return call_int_hook(task_wait, 0, p);
>  }
> 
>  int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
> @@ -976,179 +992,179 @@ int security_task_prctl(int option, unsigned long
> arg2, unsigned long arg3, if (rc != -ENOSYS)
>  		return rc;
>  #endif
> -	return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
> +	return call_int_hook(task_prctl, 0, option, arg2, arg3, arg4, arg5);
>  }
> 
>  void security_task_to_inode(struct task_struct *p, struct inode *inode)
>  {
> -	security_ops->task_to_inode(p, inode);
> +	call_void_hook(task_to_inode, p, inode);
>  }
> 
>  int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
>  {
> -	return security_ops->ipc_permission(ipcp, flag);
> +	return call_int_hook(ipc_permission, 0, ipcp, flag);
>  }
> 
>  void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
>  {
> -	security_ops->ipc_getsecid(ipcp, secid);
> +	call_void_hook(ipc_getsecid, ipcp, secid);
>  }
> 
>  int security_msg_msg_alloc(struct msg_msg *msg)
>  {
> -	return security_ops->msg_msg_alloc_security(msg);
> +	return call_int_hook(msg_msg_alloc_security, 0, msg);
>  }
> 
>  void security_msg_msg_free(struct msg_msg *msg)
>  {
> -	security_ops->msg_msg_free_security(msg);
> +	call_void_hook(msg_msg_free_security, msg);
>  }
> 
>  int security_msg_queue_alloc(struct msg_queue *msq)
>  {
> -	return security_ops->msg_queue_alloc_security(msq);
> +	return call_int_hook(msg_queue_alloc_security, 0, msq);
>  }
> 
>  void security_msg_queue_free(struct msg_queue *msq)
>  {
> -	security_ops->msg_queue_free_security(msq);
> +	call_void_hook(msg_queue_free_security, msq);
>  }
> 
>  int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
>  {
> -	return security_ops->msg_queue_associate(msq, msqflg);
> +	return call_int_hook(msg_queue_associate, 0, msq, msqflg);
>  }
> 
>  int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
>  {
> -	return security_ops->msg_queue_msgctl(msq, cmd);
> +	return call_int_hook(msg_queue_msgctl, 0, 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);
> +	return call_int_hook(msg_queue_msgsnd, 0, 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);
> +	return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode);
>  }
> 
>  int security_shm_alloc(struct shmid_kernel *shp)
>  {
> -	return security_ops->shm_alloc_security(shp);
> +	return call_int_hook(shm_alloc_security, 0, shp);
>  }
> 
>  void security_shm_free(struct shmid_kernel *shp)
>  {
> -	security_ops->shm_free_security(shp);
> +	call_void_hook(shm_free_security, shp);
>  }
> 
>  int security_shm_associate(struct shmid_kernel *shp, int shmflg)
>  {
> -	return security_ops->shm_associate(shp, shmflg);
> +	return call_int_hook(shm_associate, 0, shp, shmflg);
>  }
> 
>  int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
>  {
> -	return security_ops->shm_shmctl(shp, cmd);
> +	return call_int_hook(shm_shmctl, 0, shp, cmd);
>  }
> 
>  int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int
> shmflg) {
> -	return security_ops->shm_shmat(shp, shmaddr, shmflg);
> +	return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg);
>  }
> 
>  int security_sem_alloc(struct sem_array *sma)
>  {
> -	return security_ops->sem_alloc_security(sma);
> +	return call_int_hook(sem_alloc_security, 0, sma);
>  }
> 
>  void security_sem_free(struct sem_array *sma)
>  {
> -	security_ops->sem_free_security(sma);
> +	call_void_hook(sem_free_security, sma);
>  }
> 
>  int security_sem_associate(struct sem_array *sma, int semflg)
>  {
> -	return security_ops->sem_associate(sma, semflg);
> +	return call_int_hook(sem_associate, 0, sma, semflg);
>  }
> 
>  int security_sem_semctl(struct sem_array *sma, int cmd)
>  {
> -	return security_ops->sem_semctl(sma, cmd);
> +	return call_int_hook(sem_semctl, 0, 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);
> +	return call_int_hook(sem_semop, 0, 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);
> +	call_void_hook(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);
> +	return call_int_hook(getprocattr, 0, 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);
> +	return call_int_hook(setprocattr, 0, p, name, value, size);
>  }
> 
>  int security_netlink_send(struct sock *sk, struct sk_buff *skb)
>  {
> -	return security_ops->netlink_send(sk, skb);
> +	return call_int_hook(netlink_send, 0, sk, skb);
>  }
> 
>  int security_ismaclabel(const char *name)
>  {
> -	return security_ops->ismaclabel(name);
> +	return call_int_hook(ismaclabel, 0, name);
>  }
>  EXPORT_SYMBOL(security_ismaclabel);
> 
>  int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
>  {
> -	return security_ops->secid_to_secctx(secid, secdata, seclen);
> +	return call_int_hook(secid_to_secctx, 0, 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);
> +	return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid);
>  }
>  EXPORT_SYMBOL(security_secctx_to_secid);
> 
>  void security_release_secctx(char *secdata, u32 seclen)
>  {
> -	security_ops->release_secctx(secdata, seclen);
> +	call_void_hook(release_secctx, secdata, seclen);
>  }
>  EXPORT_SYMBOL(security_release_secctx);
> 
>  int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
> {
> -	return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
> +	return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen);
>  }
>  EXPORT_SYMBOL(security_inode_notifysecctx);
> 
>  int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
>  {
> -	return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
> +	return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen);
>  }
>  EXPORT_SYMBOL(security_inode_setsecctx);
> 
>  int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
>  {
> -	return security_ops->inode_getsecctx(inode, ctx, ctxlen);
> +	return call_int_hook(inode_getsecctx, 0, inode, ctx, ctxlen);
>  }
>  EXPORT_SYMBOL(security_inode_getsecctx);
> 
> @@ -1156,206 +1172,207 @@ EXPORT_SYMBOL(security_inode_getsecctx);
> 
>  int security_unix_stream_connect(struct sock *sock, struct sock *other,
> struct sock *newsk) {
> -	return security_ops->unix_stream_connect(sock, other, newsk);
> +	return call_int_hook(unix_stream_connect, 0, 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);
> +	return call_int_hook(unix_may_send, 0, 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);
> +	return call_int_hook(socket_create, 0, 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,
> +	return call_int_hook(socket_post_create, 0, 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);
> +	return call_int_hook(socket_bind, 0, sock, address, addrlen);
>  }
> 
>  int security_socket_connect(struct socket *sock, struct sockaddr *address,
> int addrlen) {
> -	return security_ops->socket_connect(sock, address, addrlen);
> +	return call_int_hook(socket_connect, 0, sock, address, addrlen);
>  }
> 
>  int security_socket_listen(struct socket *sock, int backlog)
>  {
> -	return security_ops->socket_listen(sock, backlog);
> +	return call_int_hook(socket_listen, 0, sock, backlog);
>  }
> 
>  int security_socket_accept(struct socket *sock, struct socket *newsock)
>  {
> -	return security_ops->socket_accept(sock, newsock);
> +	return call_int_hook(socket_accept, 0, sock, newsock);
>  }
> 
>  int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int
> size) {
> -	return security_ops->socket_sendmsg(sock, msg, size);
> +	return call_int_hook(socket_sendmsg, 0, 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);
> +	return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags);
>  }
> 
>  int security_socket_getsockname(struct socket *sock)
>  {
> -	return security_ops->socket_getsockname(sock);
> +	return call_int_hook(socket_getsockname, 0, sock);
>  }
> 
>  int security_socket_getpeername(struct socket *sock)
>  {
> -	return security_ops->socket_getpeername(sock);
> +	return call_int_hook(socket_getpeername, 0, sock);
>  }
> 
>  int security_socket_getsockopt(struct socket *sock, int level, int optname)
> {
> -	return security_ops->socket_getsockopt(sock, level, optname);
> +	return call_int_hook(socket_getsockopt, 0, sock, level, optname);
>  }
> 
>  int security_socket_setsockopt(struct socket *sock, int level, int optname)
> {
> -	return security_ops->socket_setsockopt(sock, level, optname);
> +	return call_int_hook(socket_setsockopt, 0, sock, level, optname);
>  }
> 
>  int security_socket_shutdown(struct socket *sock, int how)
>  {
> -	return security_ops->socket_shutdown(sock, how);
> +	return call_int_hook(socket_shutdown, 0, sock, how);
>  }
> 
>  int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
>  {
> -	return security_ops->socket_sock_rcv_skb(sk, skb);
> +	return call_int_hook(socket_sock_rcv_skb, 0, 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);
> +	return call_int_hook(socket_getpeersec_stream, 0, 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);
> +	return call_int_hook(socket_getpeersec_dgram, 0, 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);
> +	return call_int_hook(sk_alloc_security, 0, sk, family, priority);
>  }
> 
>  void security_sk_free(struct sock *sk)
>  {
> -	security_ops->sk_free_security(sk);
> +	call_void_hook(sk_free_security, sk);
>  }
> 
>  void security_sk_clone(const struct sock *sk, struct sock *newsk)
>  {
> -	security_ops->sk_clone_security(sk, newsk);
> +	call_void_hook(sk_clone_security, sk, newsk);
>  }
>  EXPORT_SYMBOL(security_sk_clone);
> 
>  void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
>  {
> -	security_ops->sk_getsecid(sk, &fl->flowi_secid);
> +	call_void_hook(sk_getsecid, sk, &fl->flowi_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);
> +	call_void_hook(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);
> +	call_void_hook(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);
> +	return call_int_hook(inet_conn_request, 0, 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);
> +	call_void_hook(inet_csk_clone, newsk, req);
>  }
> 
>  void security_inet_conn_established(struct sock *sk,
>  			struct sk_buff *skb)
>  {
> -	security_ops->inet_conn_established(sk, skb);
> +	call_void_hook(inet_conn_established, sk, skb);
>  }
> 
>  int security_secmark_relabel_packet(u32 secid)
>  {
> -	return security_ops->secmark_relabel_packet(secid);
> +	return call_int_hook(secmark_relabel_packet, 0, secid);
>  }
>  EXPORT_SYMBOL(security_secmark_relabel_packet);
> 
>  void security_secmark_refcount_inc(void)
>  {
> -	security_ops->secmark_refcount_inc();
> +	call_void_hook(secmark_refcount_inc);
>  }
>  EXPORT_SYMBOL(security_secmark_refcount_inc);
> 
>  void security_secmark_refcount_dec(void)
>  {
> -	security_ops->secmark_refcount_dec();
> +	call_void_hook(secmark_refcount_dec);
>  }
>  EXPORT_SYMBOL(security_secmark_refcount_dec);
> 
>  int security_tun_dev_alloc_security(void **security)
>  {
> -	return security_ops->tun_dev_alloc_security(security);
> +	return call_int_hook(tun_dev_alloc_security, 0, security);
>  }
>  EXPORT_SYMBOL(security_tun_dev_alloc_security);
> 
>  void security_tun_dev_free_security(void *security)
>  {
> -	security_ops->tun_dev_free_security(security);
> +	call_void_hook(tun_dev_free_security, security);
>  }
>  EXPORT_SYMBOL(security_tun_dev_free_security);
> 
>  int security_tun_dev_create(void)
>  {
> -	return security_ops->tun_dev_create();
> +	return call_int_hook(tun_dev_create, 0);
>  }
>  EXPORT_SYMBOL(security_tun_dev_create);
> 
>  int security_tun_dev_attach_queue(void *security)
>  {
> -	return security_ops->tun_dev_attach_queue(security);
> +	return call_int_hook(tun_dev_attach_queue, 0, security);
>  }
>  EXPORT_SYMBOL(security_tun_dev_attach_queue);
> 
>  int security_tun_dev_attach(struct sock *sk, void *security)
>  {
> -	return security_ops->tun_dev_attach(sk, security);
> +	return call_int_hook(tun_dev_attach, 0, sk, security);
>  }
>  EXPORT_SYMBOL(security_tun_dev_attach);
> 
>  int security_tun_dev_open(void *security)
>  {
> -	return security_ops->tun_dev_open(security);
> +	return call_int_hook(tun_dev_open, 0, security);
>  }
>  EXPORT_SYMBOL(security_tun_dev_open);
> 
> @@ -1367,71 +1384,72 @@ int security_xfrm_policy_alloc(struct xfrm_sec_ctx
> **ctxp, struct xfrm_user_sec_ctx *sec_ctx,
>  			       gfp_t gfp)
>  {
> -	return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx, gfp);
> +	return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp);
>  }
>  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);
> +	return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp);
>  }
> 
>  void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
>  {
> -	security_ops->xfrm_policy_free_security(ctx);
> +	call_void_hook(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);
> +	return call_int_hook(xfrm_policy_delete_security, 0, ctx);
>  }
> 
>  int security_xfrm_state_alloc(struct xfrm_state *x,
>  			      struct xfrm_user_sec_ctx *sec_ctx)
>  {
> -	return security_ops->xfrm_state_alloc(x, sec_ctx);
> +	return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx);
>  }
>  EXPORT_SYMBOL(security_xfrm_state_alloc);
> 
>  int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
>  				      struct xfrm_sec_ctx *polsec, u32 secid)
>  {
> -	return security_ops->xfrm_state_alloc_acquire(x, polsec, secid);
> +	return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid);
>  }
> 
>  int security_xfrm_state_delete(struct xfrm_state *x)
>  {
> -	return security_ops->xfrm_state_delete_security(x);
> +	return call_int_hook(xfrm_state_delete_security, 0, x);
>  }
>  EXPORT_SYMBOL(security_xfrm_state_delete);
> 
>  void security_xfrm_state_free(struct xfrm_state *x)
>  {
> -	security_ops->xfrm_state_free_security(x);
> +	call_void_hook(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);
> +	return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir);
>  }
> 
>  int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
>  				       struct xfrm_policy *xp,
>  				       const struct flowi *fl)
>  {
> -	return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
> +	return call_int_hook(xfrm_state_pol_flow_match, 0, x, xp, fl);
>  }
> 
>  int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
>  {
> -	return security_ops->xfrm_decode_session(skb, secid, 1);
> +	return call_int_hook(xfrm_decode_session, 0, skb, secid, 1);
>  }
> 
>  void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
>  {
> -	int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
> +	int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid,
> +				0);
> 
>  	BUG_ON(rc);
>  }
> @@ -1444,23 +1462,23 @@ EXPORT_SYMBOL(security_skb_classify_flow);
>  int security_key_alloc(struct key *key, const struct cred *cred,
>  		       unsigned long flags)
>  {
> -	return security_ops->key_alloc(key, cred, flags);
> +	return call_int_hook(key_alloc, 0, key, cred, flags);
>  }
> 
>  void security_key_free(struct key *key)
>  {
> -	security_ops->key_free(key);
> +	call_void_hook(key_free, key);
>  }
> 
>  int security_key_permission(key_ref_t key_ref,
>  			    const struct cred *cred, unsigned perm)
>  {
> -	return security_ops->key_permission(key_ref, cred, perm);
> +	return call_int_hook(key_permission, 0, key_ref, cred, perm);
>  }
> 
>  int security_key_getsecurity(struct key *key, char **_buffer)
>  {
> -	return security_ops->key_getsecurity(key, _buffer);
> +	return call_int_hook(key_getsecurity, 0, key, _buffer);
>  }
> 
>  #endif	/* CONFIG_KEYS */
> @@ -1469,23 +1487,24 @@ int security_key_getsecurity(struct key *key, char
> **_buffer)
> 
>  int security_audit_rule_init(u32 field, u32 op, char *rulestr, void
> **lsmrule) {
> -	return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
> +	return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule);
>  }
> 
>  int security_audit_rule_known(struct audit_krule *krule)
>  {
> -	return security_ops->audit_rule_known(krule);
> +	return call_int_hook(audit_rule_known, 0, krule);
>  }
> 
>  void security_audit_rule_free(void *lsmrule)
>  {
> -	security_ops->audit_rule_free(lsmrule);
> +	call_void_hook(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);
> +	return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule,
> +				actx);
>  }
> 
>  #endif /* CONFIG_AUDIT */
> 
> --
> To unsubscribe from this list: send the line "unsubscribe
> linux-security-module" in the body of a message to
> majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

-- 
paul moore
security @ redhat

--
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