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Based on 2 normalized pattern(s): 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 this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not see http www gnu org licenses 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 this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details [based] [from] [clk] [highbank] [c] you should have received a copy of the gnu general public license along with this program if not see http www gnu org licenses extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 355 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com> Reviewed-by: Steve Winslow <swinslow@gmail.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190519154041.837383322@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* NetLabel NETLINK Interface
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*
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* This file defines the NETLINK interface for the NetLabel system. The
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* NetLabel system manages static and dynamic label mappings for network
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* protocols such as CIPSO and RIPSO.
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*
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* Author: Paul Moore <paul@paul-moore.com>
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*/
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/*
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* (c) Copyright Hewlett-Packard Development Company, L.P., 2006
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*/
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/list.h>
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#include <linux/socket.h>
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#include <linux/audit.h>
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#include <linux/tty.h>
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#include <linux/security.h>
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#include <linux/gfp.h>
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#include <net/sock.h>
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#include <net/netlink.h>
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#include <net/genetlink.h>
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#include <net/netlabel.h>
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#include <asm/bug.h>
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#include "netlabel_mgmt.h"
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#include "netlabel_unlabeled.h"
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#include "netlabel_cipso_v4.h"
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#include "netlabel_calipso.h"
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#include "netlabel_user.h"
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/*
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* NetLabel NETLINK Setup Functions
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*/
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/**
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* netlbl_netlink_init - Initialize the NETLINK communication channel
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*
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* Description:
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* Call out to the NetLabel components so they can register their families and
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* commands with the Generic NETLINK mechanism. Returns zero on success and
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* non-zero on failure.
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*
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*/
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int __init netlbl_netlink_init(void)
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{
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int ret_val;
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ret_val = netlbl_mgmt_genl_init();
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if (ret_val != 0)
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return ret_val;
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ret_val = netlbl_cipsov4_genl_init();
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if (ret_val != 0)
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return ret_val;
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ret_val = netlbl_calipso_genl_init();
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if (ret_val != 0)
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return ret_val;
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return netlbl_unlabel_genl_init();
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}
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/*
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* NetLabel Audit Functions
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*/
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/**
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* netlbl_audit_start_common - Start an audit message
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* @type: audit message type
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* @audit_info: NetLabel audit information
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*
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* Description:
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* Start an audit message using the type specified in @type and fill the audit
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* message with some fields common to all NetLabel audit messages. Returns
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* a pointer to the audit buffer on success, NULL on failure.
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*
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*/
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struct audit_buffer *netlbl_audit_start_common(int type,
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struct netlbl_audit *audit_info)
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{
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struct audit_buffer *audit_buf;
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char *secctx;
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u32 secctx_len;
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if (audit_enabled == AUDIT_OFF)
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return NULL;
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audit_buf = audit_log_start(audit_context(), GFP_ATOMIC, type);
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if (audit_buf == NULL)
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return NULL;
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audit_log_format(audit_buf, "netlabel: auid=%u ses=%u",
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from_kuid(&init_user_ns, audit_info->loginuid),
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audit_info->sessionid);
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if (audit_info->secid != 0 &&
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security_secid_to_secctx(audit_info->secid,
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&secctx,
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&secctx_len) == 0) {
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audit_log_format(audit_buf, " subj=%s", secctx);
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security_release_secctx(secctx, secctx_len);
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}
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return audit_buf;
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}
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