X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/e5568f75972dfc723778653c11cb6b4dc825716a..7e4a7d3939db04e70062ae6c7bf24b8c8b2f5a7c:/bsd/sys/unpcb.h diff --git a/bsd/sys/unpcb.h b/bsd/sys/unpcb.h index 408cc93d1..2376c11f8 100644 --- a/bsd/sys/unpcb.h +++ b/bsd/sys/unpcb.h @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2008 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * 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. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * 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 OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * 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_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1982, 1986, 1989, 1993 @@ -60,6 +66,7 @@ #include #include #include +#include /* * Protocol control block for an active @@ -86,55 +93,162 @@ * so that changes in the sockbuf may be computed to modify * back pressure on the sender accordingly. */ -#ifdef __APPLE_API_PRIVATE -typedef u_quad_t unp_gen_t; + +typedef u_quad_t unp_gen_t; + +#if defined(__LP64__) +struct _unpcb_list_entry { + u_int32_t le_next; + u_int32_t le_prev; +}; +#define _UCPCB_LIST_HEAD(name, type) \ +struct name { \ + u_int32_t lh_first; \ +}; +#define _UNPCB_LIST_ENTRY(x) struct _unpcb_list_entry +#define _UNPCB_PTR(x) u_int32_t +#else +#define _UCPCB_LIST_HEAD(name, type) LIST_HEAD(name, type) +#define _UNPCB_LIST_ENTRY(x) LIST_ENTRY(x) +#define _UNPCB_PTR(x) x +#endif + +#ifdef PRIVATE +#ifndef KERNEL +_UCPCB_LIST_HEAD(unp_head, unpcb); +#else LIST_HEAD(unp_head, unpcb); +#define sotounpcb(so) ((struct unpcb *)((so)->so_pcb)) struct unpcb { - LIST_ENTRY(unpcb) unp_link; /* glue on list of all PCBs */ - struct socket *unp_socket; /* pointer back to socket */ - struct vnode *unp_vnode; /* if associated with file */ - ino_t unp_ino; /* fake inode number */ - struct unpcb *unp_conn; /* control block of connected socket */ - struct unp_head unp_refs; /* referencing socket linked list */ + LIST_ENTRY(unpcb) unp_link; /* glue on list of all PCBs */ + struct socket *unp_socket; /* pointer back to socket */ + struct vnode *unp_vnode; /* if associated with file */ + ino_t unp_ino; /* fake inode number */ + struct unpcb *unp_conn; /* control block of connected socket */ + struct unp_head unp_refs; /* referencing socket linked list */ LIST_ENTRY(unpcb) unp_reflink; /* link in unp_refs list */ - struct sockaddr_un *unp_addr; /* bound address of socket */ - int unp_cc; /* copy of rcv.sb_cc */ - int unp_mbcnt; /* copy of rcv.sb_mbcnt */ - unp_gen_t unp_gencnt; /* generation count of this instance */ + struct sockaddr_un *unp_addr; /* bound address of socket */ + int unp_cc; /* copy of rcv.sb_cc */ + int unp_mbcnt; /* copy of rcv.sb_mbcnt */ + unp_gen_t unp_gencnt; /* generation count of this instance */ + int unp_flags; /* flags */ + struct xucred unp_peercred; /* peer credentials, if applicable */ + lck_mtx_t *unp_mtx; /* per unpcb lock */ + int rw_thrcount; /* disconnect should wait for this count to become zero */ }; +#endif /* KERNEL */ -#define sotounpcb(so) ((struct unpcb *)((so)->so_pcb)) -#endif /* __APPLE_API_PRIVATE */ +/* + * Flags in unp_flags. + * + * UNP_HAVEPC - indicates that the unp_peercred member is filled in + * and is really the credentials of the connected peer. This is used + * to determine whether the contents should be sent to the user or + * not. + * + * UNP_HAVEPCCACHED - indicates that the unp_peercred member is filled + * in, but does *not* contain the credentials of the connected peer + * (there may not even be a peer). This is set in unp_listen() when + * it fills in unp_peercred for later consumption by unp_connect(). + */ +#define UNP_HAVEPC 0x0001 +#define UNP_HAVEPCCACHED 0x0002 +#define UNP_DONTDISCONNECT 0x0004 + +#ifdef KERNEL +struct unpcb_compat { +#else /* KERNEL */ +#define unpcb_compat unpcb +struct unpcb { +#endif /* KERNEL */ + _UNPCB_LIST_ENTRY(unpcb_compat) unp_link; /* glue on list of all PCBs */ + _UNPCB_PTR(struct socket *) unp_socket; /* pointer back to socket */ + _UNPCB_PTR(struct vnode *) unp_vnode; /* if associated with file */ + ino_t unp_ino; /* fake inode number */ + _UNPCB_PTR(struct unpcb_compat *) unp_conn; /* control block of connected socket */ +#if defined(KERNEL) + u_int32_t unp_refs; +#else + struct unp_head unp_refs; /* referencing socket linked list */ +#endif + _UNPCB_LIST_ENTRY(unpcb_compat) unp_reflink; /* link in unp_refs list */ + _UNPCB_PTR(struct sockaddr_un *) unp_addr; /* bound address of socket */ + int unp_cc; /* copy of rcv.sb_cc */ + int unp_mbcnt; /* copy of rcv.sb_mbcnt */ + unp_gen_t unp_gencnt; /* generation count of this instance */ +}; /* Hack alert -- this structure depends on . */ -#ifdef _SYS_SOCKETVAR_H_ -#ifdef __APPLE_API_UNSTABLE -struct xunpcb { - size_t xu_len; /* length of this structure */ - struct unpcb *xu_unpp; /* to help netstat, fstat */ - struct unpcb xu_unp; /* our information */ +#ifdef _SYS_SOCKETVAR_H_ + +#pragma pack(4) + +struct xunpcb { + u_int32_t xu_len; /* length of this structure */ + _UNPCB_PTR(struct unpcb_compat *) xu_unpp; /* to help netstat, fstat */ + struct unpcb_compat xu_unp; /* our information */ union { - struct sockaddr_un xuu_addr; /* our bound address */ - char xu_dummy1[256]; + struct sockaddr_un xuu_addr; /* our bound address */ + char xu_dummy1[256]; } xu_au; -#define xu_addr xu_au.xuu_addr +#define xu_addr xu_au.xuu_addr union { - struct sockaddr_un xuu_caddr; /* their bound address */ - char xu_dummy2[256]; + struct sockaddr_un xuu_caddr; /* their bound address */ + char xu_dummy2[256]; } xu_cau; -#define xu_caddr xu_cau.xuu_caddr - struct xsocket xu_socket; - u_quad_t xu_alignment_hack; +#define xu_caddr xu_cau.xuu_caddr + struct xsocket xu_socket; + u_quad_t xu_alignment_hack; }; -struct xunpgen { - size_t xug_len; - u_int xug_count; - unp_gen_t xug_gen; - so_gen_t xug_sogen; +#if !CONFIG_EMBEDDED + +struct xunpcb64_list_entry { + u_int64_t le_next; + u_int64_t le_prev; }; -#endif /* __APPLE_API_UNSTABLE */ + +struct xunpcb64 { + u_int32_t xu_len; /* length of this structure */ + u_int64_t xu_unpp; /* to help netstat, fstat */ + struct xunpcb64_list_entry xunp_link; /* glue on list of all PCBs */ + u_int64_t xunp_socket; /* pointer back to socket */ + u_int64_t xunp_vnode; /* if associated with file */ + u_int64_t xunp_ino; /* fake inode number */ + u_int64_t xunp_conn; /* control block of connected socket */ + u_int64_t xunp_refs; /* referencing socket linked list */ + struct xunpcb64_list_entry xunp_reflink; /* link in unp_refs list */ + int xunp_cc; /* copy of rcv.sb_cc */ + int xunp_mbcnt; /* copy of rcv.sb_mbcnt */ + unp_gen_t xunp_gencnt; /* generation count of this instance */ + int xunp_flags; /* flags */ + union { + struct sockaddr_un xuu_addr; + char xu_dummy1[256]; + } xu_au; /* our bound address */ +#define xunp_addr xu_au.xuu_addr + union { + struct sockaddr_un xuu_caddr; + char xu_dummy2[256]; + } xu_cau; /* their bound address */ +#define xunp_caddr xu_cau.xuu_caddr + struct xsocket64 xu_socket; +}; + +#endif /* !CONFIG_EMBEDDED */ + +#pragma pack() + #endif /* _SYS_SOCKETVAR_H_ */ +#endif /* PRIVATE */ + +struct xunpgen { + u_int32_t xug_len; + u_int xug_count; + unp_gen_t xug_gen; + so_gen_t xug_sogen; +}; + #endif /* _SYS_UNPCB_H_ */