gems-kernel/source/THIRDPARTY/xnu/bsd/net/kext_net.h
2024-06-03 11:29:39 -05:00

102 lines
3.8 KiB
C

/*
* Copyright (c) 1999-2013 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Support for socket filter kernel extensions
*/
#ifndef NET_KEXT_NET_H
#define NET_KEXT_NET_H
#include <sys/appleapiopts.h>
#include <sys/queue.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#ifdef BSD_KERNEL_PRIVATE
/*
* Internal implementation bits
*/
#include <sys/kpi_socketfilter.h>
struct socket;
struct sockopt;
struct inpcb;
/* Private, internal implementation functions */
extern int sflt_permission_check(struct inpcb *inp);
extern void sflt_initsock(struct socket *so);
extern void sflt_termsock(struct socket *so);
extern errno_t sflt_attach_internal(struct socket *so, sflt_handle handle);
extern void sflt_notify(struct socket *so, sflt_event_t event, void *param);
extern int sflt_ioctl(struct socket *so, u_long cmd, caddr_t data);
extern int sflt_bind(struct socket *so, const struct sockaddr *nam);
extern int sflt_listen(struct socket *so);
extern int sflt_accept(struct socket *head, struct socket *so,
const struct sockaddr *local,
const struct sockaddr *remote);
extern int sflt_getsockname(struct socket *so, struct sockaddr **local);
extern int sflt_getpeername(struct socket *so, struct sockaddr **remote);
extern int sflt_connectin(struct socket *head,
const struct sockaddr *remote);
extern int sflt_connectout(struct socket *so, const struct sockaddr *nam);
extern int sflt_setsockopt(struct socket *so, struct sockopt *sopt);
extern int sflt_getsockopt(struct socket *so, struct sockopt *sopt);
extern int sflt_data_out(struct socket *so, const struct sockaddr *to,
mbuf_t *data, mbuf_t *control, sflt_data_flag_t flags);
extern int sflt_data_in(struct socket *so, const struct sockaddr *from,
mbuf_t *data, mbuf_t *control, sflt_data_flag_t flags);
#endif /* BSD_KERNEL_PRIVATE */
#define NFF_BEFORE 0x01
#define NFF_AFTER 0x02
#define NKE_OK 0
#define NKE_REMOVE (-1)
/*
* Interface structure for inserting an installed socket NKE into an
* existing socket.
* 'handle' is the NKE to be inserted, 'where' is an insertion point,
* and flags dictate the position of the to-be-inserted NKE relative to
* the 'where' NKE. If the latter is NULL, the flags indicate "first"
* or "last"
*/
#pragma pack(4)
struct so_nke {
unsigned int nke_handle;
unsigned int nke_where;
int nke_flags; /* NFF_BEFORE, NFF_AFTER: net/kext_net.h */
u_int32_t reserved[4]; /* for future use */
};
#pragma pack()
#endif /* NET_KEXT_NET_H */