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kernel-ark/security/capability.c
David Howells a6f76f23d2 CRED: Make execve() take advantage of copy-on-write credentials 
Make execve() take advantage of copy-on-write credentials, allowing it to set
up the credentials in advance, and then commit the whole lot after the point
of no return.

This patch and the preceding patches have been tested with the LTP SELinux
testsuite.

This patch makes several logical sets of alteration:

 (1) execve().

     The credential bits from struct linux_binprm are, for the most part,
     replaced with a single credentials pointer (bprm->cred).  This means that
     all the creds can be calculated in advance and then applied at the point
     of no return with no possibility of failure.

     I would like to replace bprm->cap_effective with:

	cap_isclear(bprm->cap_effective)

     but this seems impossible due to special behaviour for processes of pid 1
     (they always retain their parent's capability masks where normally they'd
     be changed - see cap_bprm_set_creds()).

     The following sequence of events now happens:

     (a) At the start of do_execve, the current task's cred_exec_mutex is
     	 locked to prevent PTRACE_ATTACH from obsoleting the calculation of
     	 creds that we make.

     (a) prepare_exec_creds() is then called to make a copy of the current
     	 task's credentials and prepare it.  This copy is then assigned to
     	 bprm->cred.

  	 This renders security_bprm_alloc() and security_bprm_free()
     	 unnecessary, and so they've been removed.

     (b) The determination of unsafe execution is now performed immediately
     	 after (a) rather than later on in the code.  The result is stored in
     	 bprm->unsafe for future reference.

     (c) prepare_binprm() is called, possibly multiple times.

     	 (i) This applies the result of set[ug]id binaries to the new creds
     	     attached to bprm->cred.  Personality bit clearance is recorded,
     	     but now deferred on the basis that the exec procedure may yet
     	     fail.

         (ii) This then calls the new security_bprm_set_creds().  This should
	     calculate the new LSM and capability credentials into *bprm->cred.

	     This folds together security_bprm_set() and parts of
	     security_bprm_apply_creds() (these two have been removed).
	     Anything that might fail must be done at this point.

         (iii) bprm->cred_prepared is set to 1.

	     bprm->cred_prepared is 0 on the first pass of the security
	     calculations, and 1 on all subsequent passes.  This allows SELinux
	     in (ii) to base its calculations only on the initial script and
	     not on the interpreter.

     (d) flush_old_exec() is called to commit the task to execution.  This
     	 performs the following steps with regard to credentials:

	 (i) Clear pdeath_signal and set dumpable on certain circumstances that
	     may not be covered by commit_creds().

         (ii) Clear any bits in current->personality that were deferred from
             (c.i).

     (e) install_exec_creds() [compute_creds() as was] is called to install the
     	 new credentials.  This performs the following steps with regard to
     	 credentials:

         (i) Calls security_bprm_committing_creds() to apply any security
             requirements, such as flushing unauthorised files in SELinux, that
             must be done before the credentials are changed.

	     This is made up of bits of security_bprm_apply_creds() and
	     security_bprm_post_apply_creds(), both of which have been removed.
	     This function is not allowed to fail; anything that might fail
	     must have been done in (c.ii).

         (ii) Calls commit_creds() to apply the new credentials in a single
             assignment (more or less).  Possibly pdeath_signal and dumpable
             should be part of struct creds.

	 (iii) Unlocks the task's cred_replace_mutex, thus allowing
	     PTRACE_ATTACH to take place.

         (iv) Clears The bprm->cred pointer as the credentials it was holding
             are now immutable.

         (v) Calls security_bprm_committed_creds() to apply any security
             alterations that must be done after the creds have been changed.
             SELinux uses this to flush signals and signal handlers.

     (f) If an error occurs before (d.i), bprm_free() will call abort_creds()
     	 to destroy the proposed new credentials and will then unlock
     	 cred_replace_mutex.  No changes to the credentials will have been
     	 made.

 (2) LSM interface.

     A number of functions have been changed, added or removed:

     (*) security_bprm_alloc(), ->bprm_alloc_security()
     (*) security_bprm_free(), ->bprm_free_security()

     	 Removed in favour of preparing new credentials and modifying those.

     (*) security_bprm_apply_creds(), ->bprm_apply_creds()
     (*) security_bprm_post_apply_creds(), ->bprm_post_apply_creds()

     	 Removed; split between security_bprm_set_creds(),
     	 security_bprm_committing_creds() and security_bprm_committed_creds().

     (*) security_bprm_set(), ->bprm_set_security()

     	 Removed; folded into security_bprm_set_creds().

     (*) security_bprm_set_creds(), ->bprm_set_creds()

     	 New.  The new credentials in bprm->creds should be checked and set up
     	 as appropriate.  bprm->cred_prepared is 0 on the first call, 1 on the
     	 second and subsequent calls.

     (*) security_bprm_committing_creds(), ->bprm_committing_creds()
     (*) security_bprm_committed_creds(), ->bprm_committed_creds()

     	 New.  Apply the security effects of the new credentials.  This
     	 includes closing unauthorised files in SELinux.  This function may not
     	 fail.  When the former is called, the creds haven't yet been applied
     	 to the process; when the latter is called, they have.

 	 The former may access bprm->cred, the latter may not.

 (3) SELinux.

     SELinux has a number of changes, in addition to those to support the LSM
     interface changes mentioned above:

     (a) The bprm_security_struct struct has been removed in favour of using
     	 the credentials-under-construction approach.

     (c) flush_unauthorized_files() now takes a cred pointer and passes it on
     	 to inode_has_perm(), file_has_perm() and dentry_open().

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
2008-11-14 10:39:24 +11:00

994 lines
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/*
* Capabilities Linux Security Module
*
* This is the default security module in case no other module is loaded.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
#include <linux/security.h>
static int cap_acct(struct file *file)
{
return 0;
}
static int cap_sysctl(ctl_table *table, int op)
{
return 0;
}
static int cap_quotactl(int cmds, int type, int id, struct super_block *sb)
{
return 0;
}
static int cap_quota_on(struct dentry *dentry)
{
return 0;
}
static int cap_bprm_check_security (struct linux_binprm *bprm)
{
return 0;
}
static void cap_bprm_committing_creds(struct linux_binprm *bprm)
{
}
static void cap_bprm_committed_creds(struct linux_binprm *bprm)
{
}
static int cap_sb_alloc_security(struct super_block *sb)
{
return 0;
}
static void cap_sb_free_security(struct super_block *sb)
{
}
static int cap_sb_copy_data(char *orig, char *copy)
{
return 0;
}
static int cap_sb_kern_mount(struct super_block *sb, void *data)
{
return 0;
}
static int cap_sb_show_options(struct seq_file *m, struct super_block *sb)
{
return 0;
}
static int cap_sb_statfs(struct dentry *dentry)
{
return 0;
}
static int cap_sb_mount(char *dev_name, struct path *path, char *type,
unsigned long flags, void *data)
{
return 0;
}
static int cap_sb_check_sb(struct vfsmount *mnt, struct path *path)
{
return 0;
}
static int cap_sb_umount(struct vfsmount *mnt, int flags)
{
return 0;
}
static void cap_sb_umount_close(struct vfsmount *mnt)
{
}
static void cap_sb_umount_busy(struct vfsmount *mnt)
{
}
static void cap_sb_post_remount(struct vfsmount *mnt, unsigned long flags,
void *data)
{
}
static void cap_sb_post_addmount(struct vfsmount *mnt, struct path *path)
{
}
static int cap_sb_pivotroot(struct path *old_path, struct path *new_path)
{
return 0;
}
static void cap_sb_post_pivotroot(struct path *old_path, struct path *new_path)
{
}
static int cap_sb_set_mnt_opts(struct super_block *sb,
struct security_mnt_opts *opts)
{
if (unlikely(opts->num_mnt_opts))
return -EOPNOTSUPP;
return 0;
}
static void cap_sb_clone_mnt_opts(const struct super_block *oldsb,
struct super_block *newsb)
{
}
static int cap_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
{
return 0;
}
static int cap_inode_alloc_security(struct inode *inode)
{
return 0;
}
static void cap_inode_free_security(struct inode *inode)
{
}
static int cap_inode_init_security(struct inode *inode, struct inode *dir,
char **name, void **value, size_t *len)
{
return -EOPNOTSUPP;
}
static int cap_inode_create(struct inode *inode, struct dentry *dentry,
int mask)
{
return 0;
}
static int cap_inode_link(struct dentry *old_dentry, struct inode *inode,
struct dentry *new_dentry)
{
return 0;
}
static int cap_inode_unlink(struct inode *inode, struct dentry *dentry)
{
return 0;
}
static int cap_inode_symlink(struct inode *inode, struct dentry *dentry,
const char *name)
{
return 0;
}
static int cap_inode_mkdir(struct inode *inode, struct dentry *dentry,
int mask)
{
return 0;
}
static int cap_inode_rmdir(struct inode *inode, struct dentry *dentry)
{
return 0;
}
static int cap_inode_mknod(struct inode *inode, struct dentry *dentry,
int mode, dev_t dev)
{
return 0;
}
static int cap_inode_rename(struct inode *old_inode, struct dentry *old_dentry,
struct inode *new_inode, struct dentry *new_dentry)
{
return 0;
}
static int cap_inode_readlink(struct dentry *dentry)
{
return 0;
}
static int cap_inode_follow_link(struct dentry *dentry,
struct nameidata *nameidata)
{
return 0;
}
static int cap_inode_permission(struct inode *inode, int mask)
{
return 0;
}
static int cap_inode_setattr(struct dentry *dentry, struct iattr *iattr)
{
return 0;
}
static int cap_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
{
return 0;
}
static void cap_inode_delete(struct inode *ino)
{
}
static void cap_inode_post_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
}
static int cap_inode_getxattr(struct dentry *dentry, const char *name)
{
return 0;
}
static int cap_inode_listxattr(struct dentry *dentry)
{
return 0;
}
static int cap_inode_getsecurity(const struct inode *inode, const char *name,
void **buffer, bool alloc)
{
return -EOPNOTSUPP;
}
static int cap_inode_setsecurity(struct inode *inode, const char *name,
const void *value, size_t size, int flags)
{
return -EOPNOTSUPP;
}
static int cap_inode_listsecurity(struct inode *inode, char *buffer,
size_t buffer_size)
{
return 0;
}
static void cap_inode_getsecid(const struct inode *inode, u32 *secid)
{
*secid = 0;
}
static int cap_file_permission(struct file *file, int mask)
{
return 0;
}
static int cap_file_alloc_security(struct file *file)
{
return 0;
}
static void cap_file_free_security(struct file *file)
{
}
static int cap_file_ioctl(struct file *file, unsigned int command,
unsigned long arg)
{
return 0;
}
static int cap_file_mmap(struct file *file, unsigned long reqprot,
unsigned long prot, unsigned long flags,
unsigned long addr, unsigned long addr_only)
{
if ((addr < mmap_min_addr) && !capable(CAP_SYS_RAWIO))
return -EACCES;
return 0;
}
static int cap_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
unsigned long prot)
{
return 0;
}
static int cap_file_lock(struct file *file, unsigned int cmd)
{
return 0;
}
static int cap_file_fcntl(struct file *file, unsigned int cmd,
unsigned long arg)
{
return 0;
}
static int cap_file_set_fowner(struct file *file)
{
return 0;
}
static int cap_file_send_sigiotask(struct task_struct *tsk,
struct fown_struct *fown, int sig)
{
return 0;
}
static int cap_file_receive(struct file *file)
{
return 0;
}
static int cap_dentry_open(struct file *file, const struct cred *cred)
{
return 0;
}
static int cap_task_create(unsigned long clone_flags)
{
return 0;
}
static void cap_cred_free(struct cred *cred)
{
}
static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp)
{
return 0;
}
static void cap_cred_commit(struct cred *new, const struct cred *old)
{
}
static int cap_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
{
return 0;
}
static int cap_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
{
return 0;
}
static int cap_task_setpgid(struct task_struct *p, pid_t pgid)
{
return 0;
}
static int cap_task_getpgid(struct task_struct *p)
{
return 0;
}
static int cap_task_getsid(struct task_struct *p)
{
return 0;
}
static void cap_task_getsecid(struct task_struct *p, u32 *secid)
{
*secid = 0;
}
static int cap_task_setgroups(struct group_info *group_info)
{
return 0;
}
static int cap_task_getioprio(struct task_struct *p)
{
return 0;
}
static int cap_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
{
return 0;
}
static int cap_task_getscheduler(struct task_struct *p)
{
return 0;
}
static int cap_task_movememory(struct task_struct *p)
{
return 0;
}
static int cap_task_wait(struct task_struct *p)
{
return 0;
}
static int cap_task_kill(struct task_struct *p, struct siginfo *info,
int sig, u32 secid)
{
return 0;
}
static void cap_task_to_inode(struct task_struct *p, struct inode *inode)
{
}
static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
{
return 0;
}
static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
{
*secid = 0;
}
static int cap_msg_msg_alloc_security(struct msg_msg *msg)
{
return 0;
}
static void cap_msg_msg_free_security(struct msg_msg *msg)
{
}
static int cap_msg_queue_alloc_security(struct msg_queue *msq)
{
return 0;
}
static void cap_msg_queue_free_security(struct msg_queue *msq)
{
}
static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg)
{
return 0;
}
static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd)
{
return 0;
}
static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
int msgflg)
{
return 0;
}
static int cap_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
struct task_struct *target, long type, int mode)
{
return 0;
}
static int cap_shm_alloc_security(struct shmid_kernel *shp)
{
return 0;
}
static void cap_shm_free_security(struct shmid_kernel *shp)
{
}
static int cap_shm_associate(struct shmid_kernel *shp, int shmflg)
{
return 0;
}
static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd)
{
return 0;
}
static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr,
int shmflg)
{
return 0;
}
static int cap_sem_alloc_security(struct sem_array *sma)
{
return 0;
}
static void cap_sem_free_security(struct sem_array *sma)
{
}
static int cap_sem_associate(struct sem_array *sma, int semflg)
{
return 0;
}
static int cap_sem_semctl(struct sem_array *sma, int cmd)
{
return 0;
}
static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops,
unsigned nsops, int alter)
{
return 0;
}
#ifdef CONFIG_SECURITY_NETWORK
static int cap_unix_stream_connect(struct socket *sock, struct socket *other,
struct sock *newsk)
{
return 0;
}
static int cap_unix_may_send(struct socket *sock, struct socket *other)
{
return 0;
}
static int cap_socket_create(int family, int type, int protocol, int kern)
{
return 0;
}
static int cap_socket_post_create(struct socket *sock, int family, int type,
int protocol, int kern)
{
return 0;
}
static int cap_socket_bind(struct socket *sock, struct sockaddr *address,
int addrlen)
{
return 0;
}
static int cap_socket_connect(struct socket *sock, struct sockaddr *address,
int addrlen)
{
return 0;
}
static int cap_socket_listen(struct socket *sock, int backlog)
{
return 0;
}
static int cap_socket_accept(struct socket *sock, struct socket *newsock)
{
return 0;
}
static void cap_socket_post_accept(struct socket *sock, struct socket *newsock)
{
}
static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
{
return 0;
}
static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg,
int size, int flags)
{
return 0;
}
static int cap_socket_getsockname(struct socket *sock)
{
return 0;
}
static int cap_socket_getpeername(struct socket *sock)
{
return 0;
}
static int cap_socket_setsockopt(struct socket *sock, int level, int optname)
{
return 0;
}
static int cap_socket_getsockopt(struct socket *sock, int level, int optname)
{
return 0;
}
static int cap_socket_shutdown(struct socket *sock, int how)
{
return 0;
}
static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
{
return 0;
}
static int cap_socket_getpeersec_stream(struct socket *sock,
char __user *optval,
int __user *optlen, unsigned len)
{
return -ENOPROTOOPT;
}
static int cap_socket_getpeersec_dgram(struct socket *sock,
struct sk_buff *skb, u32 *secid)
{
return -ENOPROTOOPT;
}
static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority)
{
return 0;
}
static void cap_sk_free_security(struct sock *sk)
{
}
static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk)
{
}
static void cap_sk_getsecid(struct sock *sk, u32 *secid)
{
}
static void cap_sock_graft(struct sock *sk, struct socket *parent)
{
}
static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb,
struct request_sock *req)
{
return 0;
}
static void cap_inet_csk_clone(struct sock *newsk,
const struct request_sock *req)
{
}
static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb)
{
}
static void cap_req_classify_flow(const struct request_sock *req,
struct flowi *fl)
{
}
#endif /* CONFIG_SECURITY_NETWORK */
#ifdef CONFIG_SECURITY_NETWORK_XFRM
static int cap_xfrm_policy_alloc_security(struct xfrm_sec_ctx **ctxp,
struct xfrm_user_sec_ctx *sec_ctx)
{
return 0;
}
static int cap_xfrm_policy_clone_security(struct xfrm_sec_ctx *old_ctx,
struct xfrm_sec_ctx **new_ctxp)
{
return 0;
}
static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx)
{
}
static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx)
{
return 0;
}
static int cap_xfrm_state_alloc_security(struct xfrm_state *x,
struct xfrm_user_sec_ctx *sec_ctx,
u32 secid)
{
return 0;
}
static void cap_xfrm_state_free_security(struct xfrm_state *x)
{
}
static int cap_xfrm_state_delete_security(struct xfrm_state *x)
{
return 0;
}
static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir)
{
return 0;
}
static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x,
struct xfrm_policy *xp,
struct flowi *fl)
{
return 1;
}
static int cap_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall)
{
return 0;
}
#endif /* CONFIG_SECURITY_NETWORK_XFRM */
static void cap_d_instantiate(struct dentry *dentry, struct inode *inode)
{
}
static int cap_getprocattr(struct task_struct *p, char *name, char **value)
{
return -EINVAL;
}
static int cap_setprocattr(struct task_struct *p, char *name, void *value,
size_t size)
{
return -EINVAL;
}
static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
{
return -EOPNOTSUPP;
}
static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
{
return -EOPNOTSUPP;
}
static void cap_release_secctx(char *secdata, u32 seclen)
{
}
#ifdef CONFIG_KEYS
static int cap_key_alloc(struct key *key, const struct cred *cred,
unsigned long flags)
{
return 0;
}
static void cap_key_free(struct key *key)
{
}
static int cap_key_permission(key_ref_t key_ref, const struct cred *cred,
key_perm_t perm)
{
return 0;
}
static int cap_key_getsecurity(struct key *key, char **_buffer)
{
*_buffer = NULL;
return 0;
}
#endif /* CONFIG_KEYS */
#ifdef CONFIG_AUDIT
static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
{
return 0;
}
static int cap_audit_rule_known(struct audit_krule *krule)
{
return 0;
}
static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
struct audit_context *actx)
{
return 0;
}
static void cap_audit_rule_free(void *lsmrule)
{
}
#endif /* CONFIG_AUDIT */
struct security_operations default_security_ops = {
.name = "default",
};
#define set_to_cap_if_null(ops, function) \
do { \
if (!ops->function) { \
ops->function = cap_##function; \
pr_debug("Had to override the " #function \
" security operation with the default.\n");\
} \
} while (0)
void security_fixup_ops(struct security_operations *ops)
{
set_to_cap_if_null(ops, ptrace_may_access);
set_to_cap_if_null(ops, ptrace_traceme);
set_to_cap_if_null(ops, capget);
set_to_cap_if_null(ops, capset);
set_to_cap_if_null(ops, acct);
set_to_cap_if_null(ops, capable);
set_to_cap_if_null(ops, quotactl);
set_to_cap_if_null(ops, quota_on);
set_to_cap_if_null(ops, sysctl);
set_to_cap_if_null(ops, syslog);
set_to_cap_if_null(ops, settime);
set_to_cap_if_null(ops, vm_enough_memory);
set_to_cap_if_null(ops, bprm_set_creds);
set_to_cap_if_null(ops, bprm_committing_creds);
set_to_cap_if_null(ops, bprm_committed_creds);
set_to_cap_if_null(ops, bprm_check_security);
set_to_cap_if_null(ops, bprm_secureexec);
set_to_cap_if_null(ops, sb_alloc_security);
set_to_cap_if_null(ops, sb_free_security);
set_to_cap_if_null(ops, sb_copy_data);
set_to_cap_if_null(ops, sb_kern_mount);
set_to_cap_if_null(ops, sb_show_options);
set_to_cap_if_null(ops, sb_statfs);
set_to_cap_if_null(ops, sb_mount);
set_to_cap_if_null(ops, sb_check_sb);
set_to_cap_if_null(ops, sb_umount);
set_to_cap_if_null(ops, sb_umount_close);
set_to_cap_if_null(ops, sb_umount_busy);
set_to_cap_if_null(ops, sb_post_remount);
set_to_cap_if_null(ops, sb_post_addmount);
set_to_cap_if_null(ops, sb_pivotroot);
set_to_cap_if_null(ops, sb_post_pivotroot);
set_to_cap_if_null(ops, sb_set_mnt_opts);
set_to_cap_if_null(ops, sb_clone_mnt_opts);
set_to_cap_if_null(ops, sb_parse_opts_str);
set_to_cap_if_null(ops, inode_alloc_security);
set_to_cap_if_null(ops, inode_free_security);
set_to_cap_if_null(ops, inode_init_security);
set_to_cap_if_null(ops, inode_create);
set_to_cap_if_null(ops, inode_link);
set_to_cap_if_null(ops, inode_unlink);
set_to_cap_if_null(ops, inode_symlink);
set_to_cap_if_null(ops, inode_mkdir);
set_to_cap_if_null(ops, inode_rmdir);
set_to_cap_if_null(ops, inode_mknod);
set_to_cap_if_null(ops, inode_rename);
set_to_cap_if_null(ops, inode_readlink);
set_to_cap_if_null(ops, inode_follow_link);
set_to_cap_if_null(ops, inode_permission);
set_to_cap_if_null(ops, inode_setattr);
set_to_cap_if_null(ops, inode_getattr);
set_to_cap_if_null(ops, inode_delete);
set_to_cap_if_null(ops, inode_setxattr);
set_to_cap_if_null(ops, inode_post_setxattr);
set_to_cap_if_null(ops, inode_getxattr);
set_to_cap_if_null(ops, inode_listxattr);
set_to_cap_if_null(ops, inode_removexattr);
set_to_cap_if_null(ops, inode_need_killpriv);
set_to_cap_if_null(ops, inode_killpriv);
set_to_cap_if_null(ops, inode_getsecurity);
set_to_cap_if_null(ops, inode_setsecurity);
set_to_cap_if_null(ops, inode_listsecurity);
set_to_cap_if_null(ops, inode_getsecid);
set_to_cap_if_null(ops, file_permission);
set_to_cap_if_null(ops, file_alloc_security);
set_to_cap_if_null(ops, file_free_security);
set_to_cap_if_null(ops, file_ioctl);
set_to_cap_if_null(ops, file_mmap);
set_to_cap_if_null(ops, file_mprotect);
set_to_cap_if_null(ops, file_lock);
set_to_cap_if_null(ops, file_fcntl);
set_to_cap_if_null(ops, file_set_fowner);
set_to_cap_if_null(ops, file_send_sigiotask);
set_to_cap_if_null(ops, file_receive);
set_to_cap_if_null(ops, dentry_open);
set_to_cap_if_null(ops, task_create);
set_to_cap_if_null(ops, cred_free);
set_to_cap_if_null(ops, cred_prepare);
set_to_cap_if_null(ops, cred_commit);
set_to_cap_if_null(ops, task_setuid);
set_to_cap_if_null(ops, task_fix_setuid);
set_to_cap_if_null(ops, task_setgid);
set_to_cap_if_null(ops, task_setpgid);
set_to_cap_if_null(ops, task_getpgid);
set_to_cap_if_null(ops, task_getsid);
set_to_cap_if_null(ops, task_getsecid);
set_to_cap_if_null(ops, task_setgroups);
set_to_cap_if_null(ops, task_setnice);
set_to_cap_if_null(ops, task_setioprio);
set_to_cap_if_null(ops, task_getioprio);
set_to_cap_if_null(ops, task_setrlimit);
set_to_cap_if_null(ops, task_setscheduler);
set_to_cap_if_null(ops, task_getscheduler);
set_to_cap_if_null(ops, task_movememory);
set_to_cap_if_null(ops, task_wait);
set_to_cap_if_null(ops, task_kill);
set_to_cap_if_null(ops, task_prctl);
set_to_cap_if_null(ops, task_to_inode);
set_to_cap_if_null(ops, ipc_permission);
set_to_cap_if_null(ops, ipc_getsecid);
set_to_cap_if_null(ops, msg_msg_alloc_security);
set_to_cap_if_null(ops, msg_msg_free_security);
set_to_cap_if_null(ops, msg_queue_alloc_security);
set_to_cap_if_null(ops, msg_queue_free_security);
set_to_cap_if_null(ops, msg_queue_associate);
set_to_cap_if_null(ops, msg_queue_msgctl);
set_to_cap_if_null(ops, msg_queue_msgsnd);
set_to_cap_if_null(ops, msg_queue_msgrcv);
set_to_cap_if_null(ops, shm_alloc_security);
set_to_cap_if_null(ops, shm_free_security);
set_to_cap_if_null(ops, shm_associate);
set_to_cap_if_null(ops, shm_shmctl);
set_to_cap_if_null(ops, shm_shmat);
set_to_cap_if_null(ops, sem_alloc_security);
set_to_cap_if_null(ops, sem_free_security);
set_to_cap_if_null(ops, sem_associate);
set_to_cap_if_null(ops, sem_semctl);
set_to_cap_if_null(ops, sem_semop);
set_to_cap_if_null(ops, netlink_send);
set_to_cap_if_null(ops, netlink_recv);
set_to_cap_if_null(ops, d_instantiate);
set_to_cap_if_null(ops, getprocattr);
set_to_cap_if_null(ops, setprocattr);
set_to_cap_if_null(ops, secid_to_secctx);
set_to_cap_if_null(ops, secctx_to_secid);
set_to_cap_if_null(ops, release_secctx);
#ifdef CONFIG_SECURITY_NETWORK
set_to_cap_if_null(ops, unix_stream_connect);
set_to_cap_if_null(ops, unix_may_send);
set_to_cap_if_null(ops, socket_create);
set_to_cap_if_null(ops, socket_post_create);
set_to_cap_if_null(ops, socket_bind);
set_to_cap_if_null(ops, socket_connect);
set_to_cap_if_null(ops, socket_listen);
set_to_cap_if_null(ops, socket_accept);
set_to_cap_if_null(ops, socket_post_accept);
set_to_cap_if_null(ops, socket_sendmsg);
set_to_cap_if_null(ops, socket_recvmsg);
set_to_cap_if_null(ops, socket_getsockname);
set_to_cap_if_null(ops, socket_getpeername);
set_to_cap_if_null(ops, socket_setsockopt);
set_to_cap_if_null(ops, socket_getsockopt);
set_to_cap_if_null(ops, socket_shutdown);
set_to_cap_if_null(ops, socket_sock_rcv_skb);
set_to_cap_if_null(ops, socket_getpeersec_stream);
set_to_cap_if_null(ops, socket_getpeersec_dgram);
set_to_cap_if_null(ops, sk_alloc_security);
set_to_cap_if_null(ops, sk_free_security);
set_to_cap_if_null(ops, sk_clone_security);
set_to_cap_if_null(ops, sk_getsecid);
set_to_cap_if_null(ops, sock_graft);
set_to_cap_if_null(ops, inet_conn_request);
set_to_cap_if_null(ops, inet_csk_clone);
set_to_cap_if_null(ops, inet_conn_established);
set_to_cap_if_null(ops, req_classify_flow);
#endif /* CONFIG_SECURITY_NETWORK */
#ifdef CONFIG_SECURITY_NETWORK_XFRM
set_to_cap_if_null(ops, xfrm_policy_alloc_security);
set_to_cap_if_null(ops, xfrm_policy_clone_security);
set_to_cap_if_null(ops, xfrm_policy_free_security);
set_to_cap_if_null(ops, xfrm_policy_delete_security);
set_to_cap_if_null(ops, xfrm_state_alloc_security);
set_to_cap_if_null(ops, xfrm_state_free_security);
set_to_cap_if_null(ops, xfrm_state_delete_security);
set_to_cap_if_null(ops, xfrm_policy_lookup);
set_to_cap_if_null(ops, xfrm_state_pol_flow_match);
set_to_cap_if_null(ops, xfrm_decode_session);
#endif /* CONFIG_SECURITY_NETWORK_XFRM */
#ifdef CONFIG_KEYS
set_to_cap_if_null(ops, key_alloc);
set_to_cap_if_null(ops, key_free);
set_to_cap_if_null(ops, key_permission);
set_to_cap_if_null(ops, key_getsecurity);
#endif /* CONFIG_KEYS */
#ifdef CONFIG_AUDIT
set_to_cap_if_null(ops, audit_rule_init);
set_to_cap_if_null(ops, audit_rule_known);
set_to_cap_if_null(ops, audit_rule_match);
set_to_cap_if_null(ops, audit_rule_free);
#endif
}
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