X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8f6c56a50524aa785f7e596d52dddfb331e18961..d1ecb069dfe24481e4a83f44cb5217a2b06746d7:/bsd/sys/socketvar.h diff --git a/bsd/sys/socketvar.h b/bsd/sys/socketvar.h index e1b610dce..804984822 100644 --- a/bsd/sys/socketvar.h +++ b/bsd/sys/socketvar.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2009 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * @@ -62,9 +62,15 @@ * @(#)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 #include /* for TAILQ macros */ @@ -85,12 +91,12 @@ struct sockutil; #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. @@ -109,27 +115,27 @@ struct accept_filter; #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 @@ -138,46 +144,53 @@ struct socket { 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); @@ -187,94 +200,159 @@ struct socket { 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. @@ -283,17 +361,17 @@ struct xsocket { */ __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 /* @@ -303,20 +381,20 @@ __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 @@ -347,9 +425,13 @@ MALLOC_DECLARE(M_SONAME); #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; @@ -360,94 +442,126 @@ struct ucred; 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__) */