linux/ipc/ipc_sysctl.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  Copyright (C) 2007
 *
 *  Author: Eric Biederman <[email protected]>
 */

#include <linux/module.h>
#include <linux/ipc.h>
#include <linux/nsproxy.h>
#include <linux/sysctl.h>
#include <linux/uaccess.h>
#include <linux/capability.h>
#include <linux/ipc_namespace.h>
#include <linux/msg.h>
#include <linux/slab.h>
#include <linux/cred.h>
#include "util.h"

static int proc_ipc_dointvec_minmax_orphans(const struct ctl_table *table, int write,
		void *buffer, size_t *lenp, loff_t *ppos)
{ … }

static int proc_ipc_auto_msgmni(const struct ctl_table *table, int write,
		void *buffer, size_t *lenp, loff_t *ppos)
{ … }

static int proc_ipc_sem_dointvec(const struct ctl_table *table, int write,
	void *buffer, size_t *lenp, loff_t *ppos)
{ … }

int ipc_mni = …;
int ipc_mni_shift = …;
int ipc_min_cycle = …;

static struct ctl_table ipc_sysctls[] = …;

static struct ctl_table_set *set_lookup(struct ctl_table_root *root)
{ … }

static int set_is_seen(struct ctl_table_set *set)
{ … }

static void ipc_set_ownership(struct ctl_table_header *head,
			      kuid_t *uid, kgid_t *gid)
{ … }

static int ipc_permissions(struct ctl_table_header *head, const struct ctl_table *table)
{ … }

static struct ctl_table_root set_root = …;

bool setup_ipc_sysctls(struct ipc_namespace *ns)
{ … }

void retire_ipc_sysctls(struct ipc_namespace *ns)
{ … }

static int __init ipc_sysctl_init(void)
{ … }

device_initcall(ipc_sysctl_init);

static int __init ipc_mni_extend(char *str)
{ … }
early_param(…);