/*
- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2009 Apple 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) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
* @(#)socketvar.h 8.3 (Berkeley) 2/19/95
* $FreeBSD: src/sys/sys/socketvar.h,v 1.46.2.6 2001/08/31 13:45:49 jlemon Exp $
*/
+/*
+ * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
+ * support for mandatory and extensible security protections. This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */
#ifndef _SYS_SOCKETVAR_H_
-#define _SYS_SOCKETVAR_H_
+#define _SYS_SOCKETVAR_H_
#include <sys/appleapiopts.h>
#include <sys/queue.h> /* for TAILQ macros */
#ifdef KERNEL_PRIVATE
/* strings for sleep message: */
extern char netio[], netcon[], netcls[];
-#define SOCKET_CACHE_ON
-#define SO_CACHE_FLUSH_INTERVAL 1 /* Seconds */
-#define SO_CACHE_TIME_LIMIT (120/SO_CACHE_FLUSH_INTERVAL) /* Seconds */
-#define SO_CACHE_MAX_FREE_BATCH 50
-#define MAX_CACHED_SOCKETS 60000
-#define TEMPDEBUG 0
+#define SOCKET_CACHE_ON
+#define SO_CACHE_FLUSH_INTERVAL 1 /* Seconds */
+#define SO_CACHE_TIME_LIMIT (120/SO_CACHE_FLUSH_INTERVAL) /* Seconds */
+#define SO_CACHE_MAX_FREE_BATCH 50
+#define MAX_CACHED_SOCKETS 60000
+#define TEMPDEBUG 0
/*
* Kernel structure per socket.
#endif
struct socket {
- int so_zone; /* zone we were allocated from */
- short so_type; /* generic type, see socket.h */
+ int so_zone; /* zone we were allocated from */
+ short so_type; /* generic type, see socket.h */
short so_options; /* from socket call, see socket.h */
short so_linger; /* time to linger while closing */
- short so_state; /* internal state flags SS_*, below */
- caddr_t so_pcb; /* protocol control block */
+ short so_state; /* internal state flags SS_*, below */
+ void *so_pcb; /* protocol control block */
struct protosw *so_proto; /* protocol handle */
-/*
- * Variables for connection queuing.
- * Socket where accepts occur is so_head in all subsidiary sockets.
- * If so_head is 0, socket is not related to an accept.
- * For head socket so_incomp queues partially completed connections,
- * while so_comp is a queue of connections ready to be accepted.
- * If a connection is aborted and it has so_head set, then
- * it has to be pulled out of either so_incomp or so_comp.
- * We allow connections to queue up based on current queue lengths
- * and limit on number of queued connections for this socket.
- */
+ /*
+ * Variables for connection queueing.
+ * Socket where accepts occur is so_head in all subsidiary sockets.
+ * If so_head is 0, socket is not related to an accept.
+ * For head socket so_incomp queues partially completed connections,
+ * while so_comp is a queue of connections ready to be accepted.
+ * If a connection is aborted and it has so_head set, then
+ * it has to be pulled out of either so_incomp or so_comp.
+ * We allow connections to queue up based on current queue lengths
+ * and limit on number of queued connections for this socket.
+ */
struct socket *so_head; /* back pointer to accept socket */
- TAILQ_HEAD(, socket) so_incomp; /* queue of partial unaccepted connections */
- TAILQ_HEAD(, socket) so_comp; /* queue of complete unaccepted connections */
+ TAILQ_HEAD(, socket) so_incomp; /* q of partially unaccepted conns */
+ TAILQ_HEAD(, socket) so_comp; /* q of complete unaccepted conns */
TAILQ_ENTRY(socket) so_list; /* list of unaccepted connections */
short so_qlen; /* number of unaccepted connections */
short so_incqlen; /* number of unaccepted incomplete
short so_timeo; /* connection timeout */
u_short so_error; /* error affecting connection */
pid_t so_pgid; /* pgid for signals */
- u_long so_oobmark; /* chars to oob mark */
+ u_int32_t so_oobmark; /* chars to oob mark */
#ifndef __APPLE__
/* We don't support AIO ops */
TAILQ_HEAD(, aiocblist) so_aiojobq; /* AIO ops waiting on socket */
#endif
-/*
- * Variables for socket buffering.
- */
+ /*
+ * Variables for socket buffering.
+ */
struct sockbuf {
- u_long sb_cc; /* actual chars in buffer */
- u_long sb_hiwat; /* max actual char count */
- u_long sb_mbcnt; /* chars of mbufs used */
- u_long sb_mbmax; /* max chars of mbufs to use */
- long sb_lowat; /* low water mark */
+ u_int32_t sb_cc; /* actual chars in buffer */
+ u_int32_t sb_hiwat; /* max actual char count */
+ u_int32_t sb_mbcnt; /* chars of mbufs used */
+ u_int32_t sb_mbmax; /* max chars of mbufs to use */
+ u_int32_t sb_ctl; /* non-data chars in buffer */
+ u_int32_t sb_lowat; /* low water mark */
struct mbuf *sb_mb; /* the mbuf chain */
+ struct mbuf *sb_mbtail; /* the last mbuf in the chain */
+ struct mbuf *sb_lastrecord; /* first mbuf of last record */
#if __APPLE__
- struct socket *sb_so; /* socket back ptr for kexts */
+ struct socket *sb_so; /* socket back ptr for kexts */
#endif
struct selinfo sb_sel; /* process selecting read/write */
short sb_flags; /* flags, see below */
- struct timeval sb_timeo; /* timeout for read/write */
- void *reserved1; /* for future use if needed */
- void *reserved2;
+ struct timeval sb_timeo; /* timeout for read/write */
+ u_int sb_maxused; /* max char count ever used in sockbuf */
+ void *reserved1[4]; /* for future use */
} so_rcv, so_snd;
-#define SB_MAX (256*1024) /* default for max chars in sockbuf */
+#define SB_MAX (8192*1024) /* default for max chars in sockbuf */
+#define LOW_SB_MAX (2*9*1024) /* lower limit on max socket buffer size, 2 max datagrams */
#define SB_LOCK 0x01 /* lock on data queue */
#define SB_WANT 0x02 /* someone is waiting to lock */
#define SB_WAIT 0x04 /* someone is waiting for data/space */
#define SB_SEL 0x08 /* someone is selecting */
-#define SB_ASYNC 0x10 /* ASYNC I/O, need signals */
-#define SB_UPCALL 0x20 /* someone wants an upcall */
-#define SB_NOINTR 0x40 /* operations not interruptible */
-#define SB_KNOTE 0x100 /* kernel note attached */
+#define SB_ASYNC 0x10 /* ASYNC I/O, need signals */
+#define SB_UPCALL 0x20 /* someone wants an upcall */
+#define SB_NOINTR 0x40 /* operations not interruptible */
+#define SB_KNOTE 0x100 /* kernel note attached */
+#define SB_USRSIZE 0x200 /* user specified sbreserve */
#ifndef __APPLE__
-#define SB_AIO 0x80 /* AIO operations queued */
+#define SB_AIO 0x80 /* AIO operations queued */
#else
#define SB_NOTIFY (SB_WAIT|SB_SEL|SB_ASYNC)
-#define SB_RECV 0x8000 /* this is rcv sb */
+#define SB_DROP 0x400 /* does not accept any more data */
+#define SB_UNIX 0x800 /* UNIX domain socket buffer */
+#define SB_RECV 0x8000 /* this is rcv sb */
- caddr_t so_tpcb; /* Wisc. protocol control block - XXX unused? */
+ caddr_t so_tpcb; /* Wisc. protocol control block - XXX unused? */
#endif
void (*so_upcall)(struct socket *so, caddr_t arg, int waitf);
so_gen_t so_gencnt; /* generation count */
#ifndef __APPLE__
void *so_emuldata; /* private data for emulators */
- struct so_accf {
+ struct so_accf {
struct accept_filter *so_accept_filter;
void *so_accept_filter_arg; /* saved filter args */
char *so_accept_filter_str; /* saved user args */
} *so_accf;
#else
- TAILQ_HEAD(,eventqelt) so_evlist;
- int cached_in_sock_layer; /* Is socket bundled with pcb/pcb.inp_ppcb? */
+ TAILQ_HEAD(, eventqelt) so_evlist;
+ int cached_in_sock_layer; /* bundled with pcb/pcb.inp_ppcb? */
struct socket *cache_next;
struct socket *cache_prev;
- u_long cache_timestamp;
+ u_int32_t cache_timestamp;
caddr_t so_saved_pcb; /* Saved pcb when cacheing */
struct mbuf *so_temp; /* Holding area for outbound frags */
/* Plug-in support - make the socket interface overridable */
struct mbuf *so_tail;
- struct socket_filter_entry *so_filt; /* NKE hook */
- u_long so_flags; /* Flags */
-#define SOF_NOSIGPIPE 0x00000001
-#define SOF_NOADDRAVAIL 0x00000002 /* returns EADDRNOTAVAIL if src address is gone */
-#define SOF_PCBCLEARING 0x00000004 /* pru_disconnect done, no need to call pru_detach */
- int so_usecount; /* refcounting of socket use */;
+ struct socket_filter_entry *so_filt; /* NKE hook */
+ u_int32_t so_flags; /* Flags */
+#define SOF_NOSIGPIPE 0x1
+#define SOF_NOADDRAVAIL 0x2 /* EADDRNOTAVAIL if src addr is gone */
+#define SOF_PCBCLEARING 0x4 /* pru_disconnect done; don't call pru_detach */
+#define SOF_DEFUNCT 0x8 /* accepted socket marked as inactive */
+#define SOF_CLOSEWAIT 0x10 /* blocked in close awaiting some events */
+#define SOF_UPCALLINUSE 0x20 /* socket upcall is currently in progress */
+#define SOF_REUSESHAREUID 0x40 /* Allows SO_REUSEADDR/SO_REUSEPORT for multiple so_uid */
+#define SOF_MULTIPAGES 0x80 /* jumbo clusters may be used for sosend */
+#define SOF_ABORTED 0x100 /* soabort was already called once on the socket */
+#define SOF_OVERFLOW 0x200 /* socket was dropped as overflow of listen queue */
+#ifdef __APPLE_API_PRIVATE
+#define SOF_NOTIFYCONFLICT 0x400 /* notify that a bind was done on a port already in use */
+#endif
+#define SOF_UPCALLCLOSEWAIT 0x800 /* block on close until an upcall returns */
+#define SOF_BINDRANDOMPORT 0x1000 /* Request a randomized port number for the bind */
+#define SOF_NPX_SETOPTSHUT 0x2000 /* Non POSIX extension to allow setsockopt(2) after shut down */
+ int so_usecount; /* refcounting of socket use */;
int so_retaincnt;
- u_int32_t so_filteruse; /* usecount for the socket filters */
- void *reserved3; /* Temporarily in use/debug: last socket lock LR */
- void *reserved4; /* Temporarily in use/debug: last socket unlock LR */
+ u_int32_t so_filteruse; /* usecount for the socket filters */
+ u_int32_t so_traffic_mgt_flags; /* traffic_mgt socket config */
thread_t so_send_filt_thread;
-#endif
+ u_int32_t so_restrictions;
+
+/* for debug pruposes */
+#define SO_LCKDBG_MAX 4 /* number of debug locking Link Registers recorded */
+ void *lock_lr[SO_LCKDBG_MAX]; /* locking calling history */
+ int next_lock_lr;
+ void *unlock_lr[SO_LCKDBG_MAX]; /* unlocking caller history */
+ int next_unlock_lr;
+ void *reserved; /* reserved for future use */
+#endif /* __APPLE__ */
+
+ struct label *so_label; /* MAC label for socket */
+ struct label *so_peerlabel; /* cached MAC label for socket peer */
+ thread_t so_background_thread; /* thread that marked this socket background */
};
#endif /* KERNEL_PRIVATE */
/*
* Socket state bits.
*/
-#define SS_NOFDREF 0x001 /* no file table ref any more */
-#define SS_ISCONNECTED 0x002 /* socket connected to a peer */
-#define SS_ISCONNECTING 0x004 /* in process of connecting to peer */
-#define SS_ISDISCONNECTING 0x008 /* in process of disconnecting */
-#define SS_CANTSENDMORE 0x010 /* can't send more data to peer */
-#define SS_CANTRCVMORE 0x020 /* can't receive more data from peer */
-#define SS_RCVATMARK 0x040 /* at mark on input */
-
-#define SS_PRIV 0x080 /* privileged for broadcast, raw... */
-#define SS_NBIO 0x100 /* non-blocking ops */
-#define SS_ASYNC 0x200 /* async i/o notify */
-#define SS_ISCONFIRMING 0x400 /* deciding to accept connection req */
-#define SS_INCOMP 0x800 /* Unaccepted, incomplete connection */
+#define SS_NOFDREF 0x0001 /* no file table ref any more */
+#define SS_ISCONNECTED 0x0002 /* socket connected to a peer */
+#define SS_ISCONNECTING 0x0004 /* in process of connecting to peer */
+#define SS_ISDISCONNECTING 0x0008 /* in process of disconnecting */
+#define SS_CANTSENDMORE 0x0010 /* can't send more data to peer */
+#define SS_CANTRCVMORE 0x0020 /* can't receive more data from peer */
+#define SS_RCVATMARK 0x0040 /* at mark on input */
+
+#define SS_PRIV 0x0080 /* privileged for broadcast, raw... */
+#define SS_NBIO 0x0100 /* non-blocking ops */
+#define SS_ASYNC 0x0200 /* async i/o notify */
+#define SS_ISCONFIRMING 0x0400 /* deciding to accept connection req */
+#define SS_INCOMP 0x0800 /* Unaccepted, incomplete connection */
#define SS_COMP 0x1000 /* unaccepted, complete connection */
#define SS_ISDISCONNECTED 0x2000 /* socket disconnected from peer */
-#define SS_DRAINING 0x4000 /* close waiting for blocked system calls to drain */
+#define SS_DRAINING 0x4000 /* close waiting for blocked system
+ calls to drain */
+
+#if defined(__LP64__)
+#define _XSOCKET_PTR(x) u_int32_t
+#else
+#define _XSOCKET_PTR(x) x
+#endif
+
+#pragma pack(4)
+
+struct xsockbuf {
+ u_int32_t sb_cc;
+ u_int32_t sb_hiwat;
+ u_int32_t sb_mbcnt;
+ u_int32_t sb_mbmax;
+ int32_t sb_lowat;
+ short sb_flags;
+ short sb_timeo;
+};
/*
* Externalized form of struct socket used by the sysctl(3) interface.
*/
struct xsocket {
- size_t xso_len; /* length of this structure */
- struct socket *xso_so; /* makes a convenient handle sometimes */
- short so_type;
- short so_options;
- short so_linger;
- short so_state;
- caddr_t so_pcb; /* another convenient handle */
- int xso_protocol;
- int xso_family;
- short so_qlen;
- short so_incqlen;
- short so_qlimit;
- short so_timeo;
- u_short so_error;
- pid_t so_pgid;
- u_long so_oobmark;
- struct xsockbuf {
- u_long sb_cc;
- u_long sb_hiwat;
- u_long sb_mbcnt;
- u_long sb_mbmax;
- long sb_lowat;
- short sb_flags;
- short sb_timeo;
- } so_rcv, so_snd;
- uid_t so_uid; /* XXX */
+ u_int32_t xso_len; /* length of this structure */
+ _XSOCKET_PTR(struct socket *) xso_so; /* makes a convenient handle */
+ short so_type;
+ short so_options;
+ short so_linger;
+ short so_state;
+ _XSOCKET_PTR(caddr_t) so_pcb; /* another convenient handle */
+ int xso_protocol;
+ int xso_family;
+ short so_qlen;
+ short so_incqlen;
+ short so_qlimit;
+ short so_timeo;
+ u_short so_error;
+ pid_t so_pgid;
+ u_int32_t so_oobmark;
+ struct xsockbuf so_rcv;
+ struct xsockbuf so_snd;
+ uid_t so_uid; /* XXX */
+};
+
+#if !CONFIG_EMBEDDED
+
+struct xsocket64 {
+ u_int32_t xso_len; /* length of this structure */
+ u_int64_t xso_so; /* makes a convenient handle */
+ short so_type;
+ short so_options;
+ short so_linger;
+ short so_state;
+ u_int64_t so_pcb; /* another convenient handle */
+ int xso_protocol;
+ int xso_family;
+ short so_qlen;
+ short so_incqlen;
+ short so_qlimit;
+ short so_timeo;
+ u_short so_error;
+ pid_t so_pgid;
+ u_int32_t so_oobmark;
+ struct xsockbuf so_rcv;
+ struct xsockbuf so_snd;
+ uid_t so_uid; /* XXX */
};
+#endif /* !CONFIG_EMBEDDED */
+
+#pragma pack()
+
#ifdef KERNEL_PRIVATE
/*
* Macros for sockets and socket buffering.
*/
-#define sbtoso(sb) (sb->sb_so)
+#define sbtoso(sb) (sb->sb_so)
/*
* Functions for sockets and socket buffering.
*/
__BEGIN_DECLS
-int sb_notify(struct sockbuf *sb);
-long sbspace(struct sockbuf *sb);
-int sosendallatonce(struct socket *so);
-int soreadable(struct socket *so);
-int sowriteable(struct socket *so);
-void sballoc(struct sockbuf *sb, struct mbuf *m);
-void sbfree(struct sockbuf *sb, struct mbuf *m);
-int sblock(struct sockbuf *sb, int wf);
-void sbunlock(struct sockbuf *sb, int locked);
-void sorwakeup(struct socket * so);
-void sowwakeup(struct socket * so);
+int sb_notify(struct sockbuf *sb);
+int sbspace(struct sockbuf *sb);
+int sosendallatonce(struct socket *so);
+int soreadable(struct socket *so);
+int sowriteable(struct socket *so);
+void sballoc(struct sockbuf *sb, struct mbuf *m);
+void sbfree(struct sockbuf *sb, struct mbuf *m);
+int sblock(struct sockbuf *sb, int wf);
+void sbunlock(struct sockbuf *sb, int locked);
+void sorwakeup(struct socket *so);
+void sowwakeup(struct socket *so);
__END_DECLS
/*
* the NFDescriptor to permit selective replacement during
* operation, e.g., to disable some functions.
*/
-struct kextcb
-{ struct kextcb *e_next; /* Next kext control block */
+struct kextcb {
+ struct kextcb *e_next; /* Next kext control block */
void *e_fcb; /* Real filter control block */
struct NFDescriptor *e_nfd; /* NKE Descriptor */
/* Plug-in support - intercept functions */
struct sockif *e_soif; /* Socket functions */
struct sockutil *e_sout; /* Sockbuf utility functions */
};
-#define EXT_NULL 0x0 /* STATE: Not in use */
-#define sotokextcb(so) (so ? so->so_ext : 0)
+#define EXT_NULL 0x0 /* STATE: Not in use */
+#define sotokextcb(so) (so ? so->so_ext : 0)
#ifdef KERNEL
-#define SO_FILT_HINT_LOCKED 0x1
+#define SO_FILT_HINT_LOCKED 0x1
/*
* Argument structure for sosetopt et seq. This is in the KERNEL
#endif
extern int maxsockets;
-extern u_long sb_max;
+extern u_int32_t sb_max;
extern int socket_zone;
extern so_gen_t so_gencnt;
+extern int socket_debug;
+extern int sosendjcl;
+extern int sosendjcl_ignore_capab;
+extern int somaxconn;
struct file;
struct filedesc;
struct uio;
struct knote;
+#define SBLASTRECORDCHK(sb, s) \
+ if (socket_debug) sblastrecordchk(sb, s);
+
+#define SBLASTMBUFCHK(sb, s) \
+ if (socket_debug) sblastmbufchk(sb, s);
+
+#define SB_EMPTY_FIXUP(sb) { \
+ if ((sb)->sb_mb == NULL) { \
+ (sb)->sb_mbtail = NULL; \
+ (sb)->sb_lastrecord = NULL; \
+ } \
+}
+
/*
* From uipc_socket and friends
*/
__BEGIN_DECLS
-struct sockaddr *dup_sockaddr(struct sockaddr *sa, int canwait);
-int getsock(struct filedesc *fdp, int fd, struct file **fpp);
-int sockargs(struct mbuf **mp, user_addr_t data, int buflen, int type);
-int getsockaddr(struct sockaddr **namp, user_addr_t uaddr, size_t len);
-int sbappend(struct sockbuf *sb, struct mbuf *m);
-int sbappendaddr(struct sockbuf *sb, struct sockaddr *asa,
- struct mbuf *m0, struct mbuf *control, int *error_out);
-int sbappendcontrol(struct sockbuf *sb, struct mbuf *m0,
- struct mbuf *control, int *error_out);
-int sbappendrecord(struct sockbuf *sb, struct mbuf *m0);
-void sbcheck(struct sockbuf *sb);
-int sbcompress(struct sockbuf *sb, struct mbuf *m, struct mbuf *n);
-struct mbuf *
- sbcreatecontrol(caddr_t p, int size, int type, int level);
-void sbdrop(struct sockbuf *sb, int len);
-void sbdroprecord(struct sockbuf *sb);
-void sbflush(struct sockbuf *sb);
-int sbinsertoob(struct sockbuf *sb, struct mbuf *m0);
-void sbrelease(struct sockbuf *sb);
-int sbreserve(struct sockbuf *sb, u_long cc);
-void sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb);
-int sbwait(struct sockbuf *sb);
-int sb_lock(struct sockbuf *sb);
-int soabort(struct socket *so);
-int soaccept(struct socket *so, struct sockaddr **nam);
-int soacceptlock (struct socket *so, struct sockaddr **nam, int dolock);
-struct socket *soalloc(int waitok, int dom, int type);
-int sobind(struct socket *so, struct sockaddr *nam);
-void socantrcvmore(struct socket *so);
-void socantsendmore(struct socket *so);
-int soclose(struct socket *so);
-int soconnect(struct socket *so, struct sockaddr *nam);
-int soconnectlock (struct socket *so, struct sockaddr *nam, int dolock);
-int soconnect2(struct socket *so1, struct socket *so2);
-int socreate(int dom, struct socket **aso, int type, int proto);
-void sodealloc(struct socket *so);
-int sodisconnect(struct socket *so);
-void sofree(struct socket *so);
-int sogetopt(struct socket *so, struct sockopt *sopt);
-void sohasoutofband(struct socket *so);
-void soisconnected(struct socket *so);
-void soisconnecting(struct socket *so);
-void soisdisconnected(struct socket *so);
-void soisdisconnecting(struct socket *so);
-int solisten(struct socket *so, int backlog);
-struct socket *
- sodropablereq(struct socket *head);
-struct socket *
- sonewconn(struct socket *head, int connstatus, const struct sockaddr* from);
-int sooptcopyin(struct sockopt *sopt, void *data, size_t len, size_t minlen);
-int sooptcopyout(struct sockopt *sopt, void *data, size_t len);
-int socket_lock(struct socket *so, int refcount);
-int socket_unlock(struct socket *so, int refcount);
+/* Not exported */
+extern void socketinit(void) __attribute__((section("__TEXT, initcode")));
+
+/* Exported */
+extern struct sockaddr *dup_sockaddr(struct sockaddr *sa, int canwait);
+extern int getsock(struct filedesc *fdp, int fd, struct file **fpp);
+extern int sockargs(struct mbuf **mp, user_addr_t data, int buflen, int type);
+
+extern int sbappend(struct sockbuf *sb, struct mbuf *m);
+extern int sbappendstream(struct sockbuf *sb, struct mbuf *m);
+extern int sbappendaddr(struct sockbuf *sb, struct sockaddr *asa,
+ struct mbuf *m0, struct mbuf *control, int *error_out);
+extern int sbappendcontrol(struct sockbuf *sb, struct mbuf *m0,
+ struct mbuf *control, int *error_out);
+extern int sbappendrecord(struct sockbuf *sb, struct mbuf *m0);
+extern void sbcheck(struct sockbuf *sb);
+extern void sblastmbufchk(struct sockbuf *, const char *);
+extern void sblastrecordchk(struct sockbuf *, const char *);
+extern struct mbuf *sbcreatecontrol(caddr_t p, int size, int type, int level);
+extern void sbdrop(struct sockbuf *sb, int len);
+extern void sbdroprecord(struct sockbuf *sb);
+extern void sbflush(struct sockbuf *sb);
+extern int sbinsertoob(struct sockbuf *sb, struct mbuf *m0);
+extern void sbrelease(struct sockbuf *sb);
+extern int sbreserve(struct sockbuf *sb, u_int32_t cc);
+extern void sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb);
+extern int sbwait(struct sockbuf *sb);
+extern int sb_lock(struct sockbuf *sb);
+extern void sb_empty_assert(struct sockbuf *, const char *);
+
+extern int soabort(struct socket *so);
+extern int soaccept(struct socket *so, struct sockaddr **nam);
+extern int soacceptlock(struct socket *so, struct sockaddr **nam, int dolock);
+extern int soacceptfilter(struct socket *so);
+extern struct socket *soalloc(int waitok, int dom, int type);
+extern int sobind(struct socket *so, struct sockaddr *nam);
+extern void socantrcvmore(struct socket *so);
+extern void socantsendmore(struct socket *so);
+extern int soclose(struct socket *so);
+extern int soconnect(struct socket *so, struct sockaddr *nam);
+extern int soconnectlock(struct socket *so, struct sockaddr *nam, int dolock);
+extern int soconnect2(struct socket *so1, struct socket *so2);
+extern int socreate(int dom, struct socket **aso, int type, int proto);
+extern void sodealloc(struct socket *so);
+extern int sodisconnect(struct socket *so);
+extern int sodisconnectlocked(struct socket *so);
+extern void sofree(struct socket *so);
+extern void soreference(struct socket *so);
+extern void sodereference(struct socket *so);
+extern void somultipages(struct socket *, boolean_t);
+extern int sogetopt(struct socket *so, struct sockopt *sopt);
+extern void sohasoutofband(struct socket *so);
+extern void soisconnected(struct socket *so);
+extern void soisconnecting(struct socket *so);
+extern void soisdisconnected(struct socket *so);
+extern void soisdisconnecting(struct socket *so);
+extern int soisbackground(struct socket *so);
+extern int solisten(struct socket *so, int backlog);
+extern struct socket *sodropablereq(struct socket *head);
+extern struct socket *sonewconn(struct socket *head, int connstatus,
+ const struct sockaddr *from);
+extern int sooptcopyin(struct sockopt *sopt, void *data, size_t len,
+ size_t minlen);
+extern int sooptcopyout(struct sockopt *sopt, void *data, size_t len);
+extern int socket_lock(struct socket *so, int refcount);
+extern int socket_unlock(struct socket *so, int refcount);
+extern void sofreelastref(struct socket *, int);
+extern int sogetaddr_locked(struct socket *, struct sockaddr **, int);
+extern const char *solockhistory_nr(struct socket *);
/*
* XXX; prepare mbuf for (__FreeBSD__ < 3) routines.
* Used primarily in IPSec and IPv6 code.
*/
-int soopt_getm(struct sockopt *sopt, struct mbuf **mp);
-int soopt_mcopyin(struct sockopt *sopt, struct mbuf *m);
-int soopt_mcopyout(struct sockopt *sopt, struct mbuf *m);
-
-int sopoll(struct socket *so, int events, struct ucred *cred, void *wql);
-int soreceive(struct socket *so, struct sockaddr **paddr,
- struct uio *uio, struct mbuf **mp0,
- struct mbuf **controlp, int *flagsp);
-int soreserve(struct socket *so, u_long sndcc, u_long rcvcc);
-void sorflush(struct socket *so);
-int sosend(struct socket *so, struct sockaddr *addr, struct uio *uio,
- struct mbuf *top, struct mbuf *control, int flags);
-
-int sosetopt(struct socket *so, struct sockopt *sopt);
-int soshutdown(struct socket *so, int how);
-void sotoxsocket(struct socket *so, struct xsocket *xso);
-void sowakeup(struct socket *so, struct sockbuf *sb);
-int soioctl(struct socket *so, u_long cmd, caddr_t data, struct proc *p);
+extern int soopt_getm(struct sockopt *sopt, struct mbuf **mp);
+extern int soopt_mcopyin(struct sockopt *sopt, struct mbuf *m);
+extern int soopt_mcopyout(struct sockopt *sopt, struct mbuf *m);
+
+extern int sopoll(struct socket *so, int events, struct ucred *cred, void *wql);
+extern int soreceive(struct socket *so, struct sockaddr **paddr,
+ struct uio *uio, struct mbuf **mp0, struct mbuf **controlp, int *flagsp);
+extern int soreserve(struct socket *so, u_int32_t sndcc, u_int32_t rcvcc);
+extern void sorflush(struct socket *so);
+extern int sosend(struct socket *so, struct sockaddr *addr, struct uio *uio,
+ struct mbuf *top, struct mbuf *control, int flags);
+
+extern int sosetopt(struct socket *so, struct sockopt *sopt);
+extern int soshutdown(struct socket *so, int how);
+extern int soshutdownlock(struct socket *so, int how);
+extern void sotoxsocket(struct socket *so, struct xsocket *xso);
+#if !CONFIG_EMBEDDED
+extern void sotoxsocket64(struct socket *so, struct xsocket64 *xso);
+#endif
+extern void sowakeup(struct socket *so, struct sockbuf *sb);
+extern int soioctl(struct socket *so, u_long cmd, caddr_t data, struct proc *p);
#ifndef __APPLE__
/* accept filter functions */
-int accept_filt_add(struct accept_filter *filt);
-int accept_filt_del(char *name);
-struct accept_filter * accept_filt_get(char *name);
+extern int accept_filt_add(struct accept_filter *filt);
+extern int accept_filt_del(char *name);
+extern struct accept_filter *accept_filt_get(char *name);
#ifdef ACCEPT_FILTER_MOD
-int accept_filt_generic_mod_event(module_t mod, int event, void *data);
+extern int accept_filt_generic_mod_event(module_t mod, int event, void *data);
SYSCTL_DECL(_net_inet_accf);
#endif /* ACCEPT_FILTER_MOD */
#endif /* !defined(__APPLE__) */