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