Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * linux/ipc/namespace.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Copyright (C) 2006 Pavel Emelyanov <xemul@openvz.org> OpenVZ, SWsoft Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #include <linux/ipc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/msg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/ipc_namespace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/rcupdate.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/nsproxy.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/cred.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/mount.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/user_namespace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/proc_ns.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/sched/task.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include "util.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) static struct ucounts *inc_ipc_namespaces(struct user_namespace *ns)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	return inc_ucount(ns, current_euid(), UCOUNT_IPC_NAMESPACES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) static void dec_ipc_namespaces(struct ucounts *ucounts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	dec_ucount(ucounts, UCOUNT_IPC_NAMESPACES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) static struct ipc_namespace *create_ipc_ns(struct user_namespace *user_ns,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 					   struct ipc_namespace *old_ns)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	struct ipc_namespace *ns;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	struct ucounts *ucounts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	err = -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	ucounts = inc_ipc_namespaces(user_ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	if (!ucounts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	ns = kzalloc(sizeof(struct ipc_namespace), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	if (ns == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		goto fail_dec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	err = ns_alloc_inum(&ns->ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 		goto fail_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	ns->ns.ops = &ipcns_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	refcount_set(&ns->count, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	ns->user_ns = get_user_ns(user_ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	ns->ucounts = ucounts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	err = mq_init_ns(ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 		goto fail_put;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	sem_init_ns(ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	msg_init_ns(ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	shm_init_ns(ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	return ns;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) fail_put:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	put_user_ns(ns->user_ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	ns_free_inum(&ns->ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) fail_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	kfree(ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) fail_dec:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	dec_ipc_namespaces(ucounts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	return ERR_PTR(err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) struct ipc_namespace *copy_ipcs(unsigned long flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	struct user_namespace *user_ns, struct ipc_namespace *ns)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	if (!(flags & CLONE_NEWIPC))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 		return get_ipc_ns(ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	return create_ipc_ns(user_ns, ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88)  * free_ipcs - free all ipcs of one type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89)  * @ns:   the namespace to remove the ipcs from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90)  * @ids:  the table of ipcs to free
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91)  * @free: the function called to free each individual ipc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93)  * Called for each kind of ipc when an ipc_namespace exits.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) void free_ipcs(struct ipc_namespace *ns, struct ipc_ids *ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	       void (*free)(struct ipc_namespace *, struct kern_ipc_perm *))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	struct kern_ipc_perm *perm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	int next_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	int total, in_use;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	down_write(&ids->rwsem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	in_use = ids->in_use;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	for (total = 0, next_id = 0; total < in_use; next_id++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		perm = idr_find(&ids->ipcs_idr, next_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		if (perm == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 		rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 		ipc_lock_object(perm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 		free(ns, perm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		total++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	up_write(&ids->rwsem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) static void free_ipc_ns(struct ipc_namespace *ns)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	/* mq_put_mnt() waits for a grace period as kern_unmount()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	 * uses synchronize_rcu().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	mq_put_mnt(ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	sem_exit_ns(ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	msg_exit_ns(ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	shm_exit_ns(ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	dec_ipc_namespaces(ns->ucounts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	put_user_ns(ns->user_ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	ns_free_inum(&ns->ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	kfree(ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static LLIST_HEAD(free_ipc_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) static void free_ipc(struct work_struct *unused)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	struct llist_node *node = llist_del_all(&free_ipc_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	struct ipc_namespace *n, *t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	llist_for_each_entry_safe(n, t, node, mnt_llist)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		free_ipc_ns(n);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)  * The work queue is used to avoid the cost of synchronize_rcu in kern_unmount.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) static DECLARE_WORK(free_ipc_work, free_ipc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)  * put_ipc_ns - drop a reference to an ipc namespace.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)  * @ns: the namespace to put
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)  * If this is the last task in the namespace exiting, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)  * it is dropping the refcount to 0, then it can race with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)  * a task in another ipc namespace but in a mounts namespace
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)  * which has this ipcns's mqueuefs mounted, doing some action
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)  * with one of the mqueuefs files.  That can raise the refcount.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)  * So dropping the refcount, and raising the refcount when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)  * accessing it through the VFS, are protected with mq_lock.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)  * (Clearly, a task raising the refcount on its own ipc_ns
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)  * needn't take mq_lock since it can't race with the last task
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)  * in the ipcns exiting).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) void put_ipc_ns(struct ipc_namespace *ns)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	if (refcount_dec_and_lock(&ns->count, &mq_lock)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		mq_clear_sbinfo(ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		spin_unlock(&mq_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 		if (llist_add(&ns->mnt_llist, &free_ipc_list))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 			schedule_work(&free_ipc_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) static inline struct ipc_namespace *to_ipc_ns(struct ns_common *ns)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	return container_of(ns, struct ipc_namespace, ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) static struct ns_common *ipcns_get(struct task_struct *task)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	struct ipc_namespace *ns = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	struct nsproxy *nsproxy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	task_lock(task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	nsproxy = task->nsproxy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	if (nsproxy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		ns = get_ipc_ns(nsproxy->ipc_ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	task_unlock(task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	return ns ? &ns->ns : NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) static void ipcns_put(struct ns_common *ns)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	return put_ipc_ns(to_ipc_ns(ns));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static int ipcns_install(struct nsset *nsset, struct ns_common *new)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	struct nsproxy *nsproxy = nsset->nsproxy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	struct ipc_namespace *ns = to_ipc_ns(new);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	if (!ns_capable(ns->user_ns, CAP_SYS_ADMIN) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	    !ns_capable(nsset->cred->user_ns, CAP_SYS_ADMIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 		return -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	put_ipc_ns(nsproxy->ipc_ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	nsproxy->ipc_ns = get_ipc_ns(ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) static struct user_namespace *ipcns_owner(struct ns_common *ns)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	return to_ipc_ns(ns)->user_ns;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) const struct proc_ns_operations ipcns_operations = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	.name		= "ipc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	.type		= CLONE_NEWIPC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	.get		= ipcns_get,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	.put		= ipcns_put,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	.install	= ipcns_install,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	.owner		= ipcns_owner,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) };