auto import from //branches/cupcake/...@125939

1 files changed, 0 insertions, 752 deletions

diff --git a/slirp/socket.c b/slirp/socket.c
deleted file mode 100644
index bdae392..0000000
--- a/slirp/socket.c
+++ /dev/null
@@ -1,752 +0,0 @@
-/*
- * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
- */
-
-#define WANT_SYS_IOCTL_H
-#include <slirp.h>
-#include "ip_icmp.h"
-#include "main.h"
-#ifdef __sun__
-#include <sys/filio.h>
-#endif
-#define  SLIRP_COMPILATION
-#include "sockets.h"
-#include "proxy_common.h"
-
-void
-so_init()
-{
-	/* Nothing yet */
-}
-
-
-struct socket *
-solookup(head, laddr, lport, faddr, fport)
-	struct socket *head;
-	struct in_addr laddr;
-	u_int lport;
-	struct in_addr faddr;
-	u_int fport;
-{
-	struct socket *so;
-
-	for (so = head->so_next; so != head; so = so->so_next) {
-		if (so->so_lport == lport &&
-		    so->so_laddr.s_addr == laddr.s_addr &&
-		    so->so_faddr.s_addr == faddr.s_addr &&
-		    so->so_fport == fport)
-		   break;
-	}
-
-	if (so == head)
-	   return (struct socket *)NULL;
-	return so;
-
-}
-
-/*
- * Create a new socket, initialise the fields
- * It is the responsibility of the caller to
- * insque() it into the correct linked-list
- */
-struct socket *
-socreate()
-{
-  struct socket *so;
-
-  so = (struct socket *)malloc(sizeof(struct socket));
-  if(so) {
-    memset(so, 0, sizeof(struct socket));
-    so->so_state = SS_NOFDREF;
-    so->s = -1;
-  }
-  return(so);
-}
-
-/*
- * remque and free a socket, clobber cache
- */
-void
-sofree(so)
-	struct socket *so;
-{
-  if (so->so_state & SS_PROXIFIED)
-    proxy_manager_del(so);
-
-  if (so->extra) {
-	sofree(so->extra);
-	so->extra=NULL;
-  }
-  if (so == tcp_last_so)
-    tcp_last_so = &tcb;
-  else if (so == udp_last_so)
-    udp_last_so = &udb;
-
-  mbuf_free(so->so_m);
-
-  if(so->so_next && so->so_prev)
-    remque(so);  /* crashes if so is not in a queue */
-
-  free(so);
-}
-
-/*
- * Read from so's socket into sb_snd, updating all relevant sbuf fields
- * NOTE: This will only be called if it is select()ed for reading, so
- * a read() of 0 (or less) means it's disconnected
- */
-int
-soread(so)
-	struct socket *so;
-{
-	int n, nn, lss, total;
-	SBuf  sb = &so->so_snd;
-	int   len = sb->sb_datalen - sb->sb_cc;
-	struct iovec iov[2];
-	int mss = so->so_tcpcb->t_maxseg;
-
-	DEBUG_CALL("soread");
-	DEBUG_ARG("so = %lx", (long )so);
-
-	/*
-	 * No need to check if there's enough room to read.
-	 * soread wouldn't have been called if there weren't
-	 */
-
-	len = sb->sb_datalen - sb->sb_cc;
-
-	iov[0].iov_base = sb->sb_wptr;
-	if (sb->sb_wptr < sb->sb_rptr) {
-		iov[0].iov_len = sb->sb_rptr - sb->sb_wptr;
-		/* Should never succeed, but... */
-		if (iov[0].iov_len > len)
-		   iov[0].iov_len = len;
-		if (iov[0].iov_len > mss)
-		   iov[0].iov_len -= iov[0].iov_len%mss;
-		n = 1;
-	} else {
-		iov[0].iov_len = (sb->sb_data + sb->sb_datalen) - sb->sb_wptr;
-		/* Should never succeed, but... */
-		if (iov[0].iov_len > len) iov[0].iov_len = len;
-		len -= iov[0].iov_len;
-		if (len) {
-			iov[1].iov_base = sb->sb_data;
-			iov[1].iov_len = sb->sb_rptr - sb->sb_data;
-			if(iov[1].iov_len > len)
-			   iov[1].iov_len = len;
-			total = iov[0].iov_len + iov[1].iov_len;
-			if (total > mss) {
-				lss = total%mss;
-				if (iov[1].iov_len > lss) {
-					iov[1].iov_len -= lss;
-					n = 2;
-				} else {
-					lss -= iov[1].iov_len;
-					iov[0].iov_len -= lss;
-					n = 1;
-				}
-			} else
-				n = 2;
-		} else {
-			if (iov[0].iov_len > mss)
-			   iov[0].iov_len -= iov[0].iov_len%mss;
-			n = 1;
-		}
-	}
-
-#ifdef HAVE_READV
-	nn = readv(so->s, (struct iovec *)iov, n);
-	DEBUG_MISC((dfd, " ... read nn = %d bytes\n", nn));
-#else
-	nn = recv(so->s, iov[0].iov_base, iov[0].iov_len,0);
-#endif
-	if (nn <= 0) {
-		if (nn < 0 && (errno == EINTR || errno == EAGAIN))
-			return 0;
-		else {
-			DEBUG_MISC((dfd, " --- soread() disconnected, nn = %d, errno = %d-%s\n", nn, errno,strerror(errno)));
-			sofcantrcvmore(so);
-			tcp_sockclosed(sototcpcb(so));
-			return -1;
-		}
-	}
-
-#ifndef HAVE_READV
-	/*
-	 * If there was no error, try and read the second time round
-	 * We read again if n = 2 (ie, there's another part of the buffer)
-	 * and we read as much as we could in the first read
-	 * We don't test for <= 0 this time, because there legitimately
-	 * might not be any more data (since the socket is non-blocking),
-	 * a close will be detected on next iteration.
-	 * A return of -1 wont (shouldn't) happen, since it didn't happen above
-	 */
-	if (n == 2 && nn == iov[0].iov_len) {
-            int ret;
-            ret = recv(so->s, iov[1].iov_base, iov[1].iov_len,0);
-            if (ret > 0)
-                nn += ret;
-        }
-
-	DEBUG_MISC((dfd, " ... read nn = %d bytes\n", nn));
-#endif
-
-	/* Update fields */
-	sb->sb_cc += nn;
-	sb->sb_wptr += nn;
-	if (sb->sb_wptr >= (sb->sb_data + sb->sb_datalen))
-		sb->sb_wptr -= sb->sb_datalen;
-	return nn;
-}
-
-/*
- * Get urgent data
- *
- * When the socket is created, we set it SO_OOBINLINE,
- * so when OOB data arrives, we soread() it and everything
- * in the send buffer is sent as urgent data
- */
-void
-sorecvoob(so)
-	struct socket *so;
-{
-	struct tcpcb *tp = sototcpcb(so);
-
-	DEBUG_CALL("sorecvoob");
-	DEBUG_ARG("so = %lx", (long)so);
-
-	/*
-	 * We take a guess at how much urgent data has arrived.
-	 * In most situations, when urgent data arrives, the next
-	 * read() should get all the urgent data.  This guess will
-	 * be wrong however if more data arrives just after the
-	 * urgent data, or the read() doesn't return all the
-	 * urgent data.
-	 */
-	soread(so);
-	tp->snd_up = tp->snd_una + so->so_snd.sb_cc;
-	tp->t_force = 1;
-	tcp_output(tp);
-	tp->t_force = 0;
-}
-
-/*
- * Send urgent data
- * There's a lot duplicated code here, but...
- */
-int
-sosendoob(so)
-	struct socket *so;
-{
-	SBuf  sb = &so->so_rcv;
-	char  buff[2048]; /* XXX Shouldn't be sending more oob data than this */
-	int   n, len;
-
-	DEBUG_CALL("sosendoob");
-	DEBUG_ARG("so = %lx", (long)so);
-	DEBUG_ARG("sb->sb_cc = %d", sb->sb_cc);
-
-	if (so->so_urgc > 2048)
-	   so->so_urgc = 2048; /* XXXX */
-
-	if (sb->sb_rptr < sb->sb_wptr) {
-		/* We can send it directly */
-		n = send(so->s, sb->sb_rptr, so->so_urgc, (MSG_OOB)); /* |MSG_DONTWAIT)); */
-		so->so_urgc -= n;
-
-		DEBUG_MISC((dfd, " --- sent %d bytes urgent data, %d urgent bytes left\n", n, so->so_urgc));
-	} else {
-		/*
-		 * Since there's no sendv or sendtov like writev,
-		 * we must copy all data to a linear buffer then
-		 * send it all
-		 */
-		len = (sb->sb_data + sb->sb_datalen) - sb->sb_rptr;
-		if (len > so->so_urgc) len = so->so_urgc;
-		memcpy(buff, sb->sb_rptr, len);
-		so->so_urgc -= len;
-		if (so->so_urgc) {
-			n = sb->sb_wptr - sb->sb_data;
-			if (n > so->so_urgc) n = so->so_urgc;
-			memcpy((buff + len), sb->sb_data, n);
-			so->so_urgc -= n;
-			len += n;
-		}
-		n = send(so->s, buff, len, (MSG_OOB)); /* |MSG_DONTWAIT)); */
-#ifdef DEBUG
-		if (n != len)
-		   DEBUG_ERROR((dfd, "Didn't send all data urgently XXXXX\n"));
-#endif
-		DEBUG_MISC((dfd, " ---2 sent %d bytes urgent data, %d urgent bytes left\n", n, so->so_urgc));
-	}
-
-	sb->sb_cc -= n;
-	sb->sb_rptr += n;
-	if (sb->sb_rptr >= (sb->sb_data + sb->sb_datalen))
-		sb->sb_rptr -= sb->sb_datalen;
-
-	return n;
-}
-
-/*
- * Write data from so_rcv to so's socket,
- * updating all sbuf field as necessary
- */
-int
-sowrite(so)
-	struct socket *so;
-{
-	int   n,nn;
-	SBuf  sb = &so->so_rcv;
-	int   len = sb->sb_cc;
-	struct iovec iov[2];
-
-	DEBUG_CALL("sowrite");
-	DEBUG_ARG("so = %lx", (long)so);
-
-	if (so->so_urgc) {
-		sosendoob(so);
-		if (sb->sb_cc == 0)
-			return 0;
-	}
-
-	/*
-	 * No need to check if there's something to write,
-	 * sowrite wouldn't have been called otherwise
-	 */
-
-        len = sb->sb_cc;
-
-	iov[0].iov_base = sb->sb_rptr;
-	if (sb->sb_rptr < sb->sb_wptr) {
-		iov[0].iov_len = sb->sb_wptr - sb->sb_rptr;
-		/* Should never succeed, but... */
-		if (iov[0].iov_len > len) iov[0].iov_len = len;
-		n = 1;
-	} else {
-		iov[0].iov_len = (sb->sb_data + sb->sb_datalen) - sb->sb_rptr;
-		if (iov[0].iov_len > len) iov[0].iov_len = len;
-		len -= iov[0].iov_len;
-		if (len) {
-			iov[1].iov_base = sb->sb_data;
-			iov[1].iov_len = sb->sb_wptr - sb->sb_data;
-			if (iov[1].iov_len > len) iov[1].iov_len = len;
-			n = 2;
-		} else
-			n = 1;
-	}
-	/* Check if there's urgent data to send, and if so, send it */
-
-#ifdef HAVE_READV
-	nn = writev(so->s, (const struct iovec *)iov, n);
-
-	DEBUG_MISC((dfd, "  ... wrote nn = %d bytes\n", nn));
-#else
-	nn = send(so->s, iov[0].iov_base, iov[0].iov_len,0);
-#endif
-	/* This should never happen, but people tell me it does *shrug* */
-	if (nn < 0 && (errno == EAGAIN || errno == EINTR))
-		return 0;
-
-	if (nn <= 0) {
-		DEBUG_MISC((dfd, " --- sowrite disconnected, so->so_state = %x, errno = %d\n",
-			so->so_state, errno));
-		sofcantsendmore(so);
-		tcp_sockclosed(sototcpcb(so));
-		return -1;
-	}
-
-#ifndef HAVE_READV
-	if (n == 2 && nn == iov[0].iov_len) {
-            int ret;
-            ret = send(so->s, iov[1].iov_base, iov[1].iov_len,0);
-            if (ret > 0)
-                nn += ret;
-        }
-        DEBUG_MISC((dfd, "  ... wrote nn = %d bytes\n", nn));
-#endif
-
-	/* Update sbuf */
-	sb->sb_cc -= nn;
-	sb->sb_rptr += nn;
-	if (sb->sb_rptr >= (sb->sb_data + sb->sb_datalen))
-		sb->sb_rptr -= sb->sb_datalen;
-
-	/*
-	 * If in DRAIN mode, and there's no more data, set
-	 * it CANTSENDMORE
-	 */
-	if ((so->so_state & SS_FWDRAIN) && sb->sb_cc == 0)
-		sofcantsendmore(so);
-
-	return nn;
-}
-
-/*
- * recvfrom() a UDP socket
- */
-void
-sorecvfrom(so)
-	struct socket *so;
-{
-	struct sockaddr_in addr;
-	int addrlen = sizeof(struct sockaddr_in);
-
-	DEBUG_CALL("sorecvfrom");
-	DEBUG_ARG("so = %lx", (long)so);
-
-	if (so->so_type == IPPROTO_ICMP) {   /* This is a "ping" reply */
-	  char buff[256];
-	  int len;
-
-	  len = recvfrom(so->s, buff, 256, 0,
-			 (struct sockaddr *)&addr, &addrlen);
-	  /* XXX Check if reply is "correct"? */
-
-	  if(len == -1 || len == 0) {
-	    u_char code=ICMP_UNREACH_PORT;
-
-	    if(errno == EHOSTUNREACH) code=ICMP_UNREACH_HOST;
-	    else if(errno == ENETUNREACH) code=ICMP_UNREACH_NET;
-
-	    DEBUG_MISC((dfd," udp icmp rx errno = %d-%s\n",
-			errno,strerror(errno)));
-	    icmp_error(so->so_m, ICMP_UNREACH,code, 0,strerror(errno));
-	  } else {
-	    icmp_reflect(so->so_m);
-	    so->so_m = 0; /* Don't mbuf_free() it again! */
-	  }
-	  /* No need for this socket anymore, udp_detach it */
-	  udp_detach(so);
-	} else {                            	/* A "normal" UDP packet */
-	  MBuf m;
-	  int len, n;
-
-	  if (!(m = mbuf_alloc())) return;
-	  m->m_data += if_maxlinkhdr;
-
-	  /*
-	   * XXX Shouldn't FIONREAD packets destined for port 53,
-	   * but I don't know the max packet size for DNS lookups
-	   */
-	  len = mbuf_freeroom(m);
-	  /* if (so->so_fport != htons(53)) { */
-	  ioctlsocket(so->s, FIONREAD, &n);
-
-	  if (n > len) {
-	    n = (m->m_data - m->m_dat) + m->m_len + n + 1;
-	    mbuf_ensure(m, n);
-	    len = mbuf_freeroom(m);
-	  }
-	  /* } */
-
-	  m->m_len = recvfrom(so->s, m->m_data, len, 0,
-			      (struct sockaddr *)&addr, &addrlen);
-	  DEBUG_MISC((dfd, " did recvfrom %d, errno = %d-%s\n",
-		      m->m_len, errno,strerror(errno)));
-	  if(m->m_len<0) {
-	    u_char code=ICMP_UNREACH_PORT;
-
-	    if(errno == EHOSTUNREACH) code=ICMP_UNREACH_HOST;
-	    else if(errno == ENETUNREACH) code=ICMP_UNREACH_NET;
-
-	    DEBUG_MISC((dfd," rx error, tx icmp ICMP_UNREACH:%i\n", code));
-	    icmp_error(so->so_m, ICMP_UNREACH,code, 0,strerror(errno));
-	    mbuf_free(m);
-	  } else {
-	  /*
-	   * Hack: domain name lookup will be used the most for UDP,
-	   * and since they'll only be used once there's no need
-	   * for the 4 minute (or whatever) timeout... So we time them
-	   * out much quicker (10 seconds  for now...)
-	   */
-	    if (so->so_expire) {
-	      if (so->so_fport == htons(53))
-		so->so_expire = curtime + SO_EXPIREFAST;
-	      else
-		so->so_expire = curtime + SO_EXPIRE;
-	    }
-
-	    /*		if (m->m_len == len) {
-	     *			mbuf_ensure(m, MINCSIZE);
-	     *			m->m_len = 0;
-	     *		}
-	     */
-
-	    /*
-	     * If this packet was destined for CTL_ADDR,
-	     * make it look like that's where it came from, done by udp_output
-	     */
-	    udp_output(so, m, &addr);
-	  } /* rx error */
-	} /* if ping packet */
-}
-
-/*
- * sendto() a socket
- */
-int
-sosendto(so, m)
-	struct socket *so;
-	MBuf m;
-{
-	int ret;
-	struct sockaddr_in addr;
-
-	DEBUG_CALL("sosendto");
-	DEBUG_ARG("so = %lx", (long)so);
-	DEBUG_ARG("m = %lx", (long)m);
-
-        addr.sin_family = AF_INET;
-	if ((so->so_faddr.s_addr & htonl(0xffffff00)) == special_addr.s_addr) {
-	  /* It's an alias */
-          int  low = ntohl(so->so_faddr.s_addr) & 0xff;
-
-          if ( CTL_IS_DNS(low) )
-            addr.sin_addr = dns_addr[low - CTL_DNS];
-          else
-            addr.sin_addr = loopback_addr;
-	} else
-	  addr.sin_addr = so->so_faddr;
-	addr.sin_port = so->so_fport;
-
-	DEBUG_MISC((dfd, " sendto()ing, addr.sin_port=%d, addr.sin_addr.s_addr=%.16s\n", ntohs(addr.sin_port), inet_ntoa(addr.sin_addr)));
-
-	/* Don't care what port we get */
-	ret = sendto(so->s, m->m_data, m->m_len, 0,
-		     (struct sockaddr *)&addr, sizeof (struct sockaddr));
-	if (ret < 0)
-		return -1;
-
-	/*
-	 * Kill the socket if there's no reply in 4 minutes,
-	 * but only if it's an expirable socket
-	 */
-	if (so->so_expire)
-		so->so_expire = curtime + SO_EXPIRE;
-	so->so_state = SS_ISFCONNECTED; /* So that it gets select()ed */
-	return 0;
-}
-
-/*
- * XXX This should really be tcp_listen
- */
-struct socket *
-solisten(port, laddr, lport, flags)
-	u_int port;
-	u_int32_t laddr;
-	u_int lport;
-	int flags;
-{
-	struct sockaddr_in addr;
-	struct socket *so;
-	int s, addrlen = sizeof(addr);
-
-	DEBUG_CALL("solisten");
-	DEBUG_ARG("port = %d", port);
-	DEBUG_ARG("laddr = %x", laddr);
-	DEBUG_ARG("lport = %d", lport);
-	DEBUG_ARG("flags = %x", flags);
-
-	if ((so = socreate()) == NULL) {
-	  /* free(so);      Not sofree() ??? free(NULL) == NOP */
-	  return NULL;
-	}
-
-	/* Don't tcp_attach... we don't need so_snd nor so_rcv */
-	if ((so->so_tcpcb = tcp_newtcpcb(so)) == NULL) {
-		free(so);
-		return NULL;
-	}
-	insque(so,&tcb);
-
-	/*
-	 * SS_FACCEPTONCE sockets must time out.
-	 */
-	if (flags & SS_FACCEPTONCE)
-	   so->so_tcpcb->t_timer[TCPT_KEEP] = TCPTV_KEEP_INIT*2;
-
-	so->so_state = (SS_FACCEPTCONN|flags);
-	so->so_lport = lport; /* Kept in network format */
-        so->so_hport = port;
-	so->so_laddr.s_addr = laddr; /* Ditto */
-
-        memset( &addr, 0, sizeof(addr) );
-	addr.sin_family = AF_INET;
-	addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-	addr.sin_port = port;
-
-        if ((s = socket(AF_INET,SOCK_STREAM,0)) < 0) {
-            sofree(so);
-            return NULL;
-        }
-
-        socket_set_xreuseaddr(s);
-
-	if ((socket_set_xreuseaddr(s) < 0) ||
-            (bind(s,(struct sockaddr *)&addr, sizeof(addr)) < 0) ||
-	    (listen(s,1) < 0)) {
-		int tmperrno = errno; /* Don't clobber the real reason we failed */
-
-		close(s);
-		sofree(so);
-		/* Restore the real errno */
-#ifdef _WIN32
-		WSASetLastError(tmperrno);
-#else
-		errno = tmperrno;
-#endif
-		return NULL;
-	}
-        socket_set_oobinline(s);
-
-	getsockname(s,(struct sockaddr *)&addr,&addrlen);
-	so->so_fport = addr.sin_port;
-	if (addr.sin_addr.s_addr == 0 || addr.sin_addr.s_addr == loopback_addr.s_addr)
-	   so->so_faddr = alias_addr;
-	else
-	   so->so_faddr = addr.sin_addr;
-
-	so->s = s;
-	return so;
-}
-
-
-int
-sounlisten(u_int  port)
-{
-    struct socket *so;
-
-    for (so = tcb.so_next; so != &tcb; so = so->so_next) {
-        if (so->so_hport == htons(port)) {
-            break;
-        }
-    }
-
-    if (so == &tcb) {
-        return -1;
-    }
-
-    sofcantrcvmore( so );
-    sofcantsendmore( so );
-    close( so->s );
-    so->s = -1;
-    sofree( so );
-    return 0;
-}
-
-
-/*
- * Data is available in so_rcv
- * Just write() the data to the socket
- * XXX not yet...
- */
-void
-sorwakeup(so)
-	struct socket *so;
-{
-/*	sowrite(so); */
-/*	FD_CLR(so->s,&writefds); */
-}
-
-/*
- * Data has been freed in so_snd
- * We have room for a read() if we want to
- * For now, don't read, it'll be done in the main loop
- */
-void
-sowwakeup(so)
-	struct socket *so;
-{
-	/* Nothing, yet */
-}
-
-/*
- * Various session state calls
- * XXX Should be #define's
- * The socket state stuff needs work, these often get call 2 or 3
- * times each when only 1 was needed
- */
-void
-soisfconnecting(so)
-	register struct socket *so;
-{
-	so->so_state &= ~(SS_NOFDREF|SS_ISFCONNECTED|SS_FCANTRCVMORE|
-			  SS_FCANTSENDMORE|SS_FWDRAIN);
-	so->so_state |= SS_ISFCONNECTING; /* Clobber other states */
-}
-
-void
-soisfconnected(so)
-        register struct socket *so;
-{
-	so->so_state &= ~(SS_ISFCONNECTING|SS_FWDRAIN|SS_NOFDREF);
-	so->so_state |= SS_ISFCONNECTED; /* Clobber other states */
-}
-
-void
-sofcantrcvmore(so)
-	struct  socket *so;
-{
-	if ((so->so_state & SS_NOFDREF) == 0) {
-		shutdown(so->s,0);
-		if(global_writefds) {
-		  FD_CLR(so->s,global_writefds);
-		}
-	}
-	so->so_state &= ~(SS_ISFCONNECTING);
-	if (so->so_state & SS_FCANTSENDMORE)
-	   so->so_state = SS_NOFDREF; /* Don't select it */ /* XXX close() here as well? */
-	else
-	   so->so_state |= SS_FCANTRCVMORE;
-}
-
-void
-sofcantsendmore(so)
-	struct socket *so;
-{
-	if ((so->so_state & SS_NOFDREF) == 0) {
-            shutdown(so->s,1);           /* send FIN to fhost */
-            if (global_readfds) {
-                FD_CLR(so->s,global_readfds);
-            }
-            if (global_xfds) {
-                FD_CLR(so->s,global_xfds);
-            }
-	}
-	so->so_state &= ~(SS_ISFCONNECTING);
-	if (so->so_state & SS_FCANTRCVMORE)
-	   so->so_state = SS_NOFDREF; /* as above */
-	else
-	   so->so_state |= SS_FCANTSENDMORE;
-}
-
-void
-soisfdisconnected(so)
-	struct socket *so;
-{
-/*	so->so_state &= ~(SS_ISFCONNECTING|SS_ISFCONNECTED); */
-/*	close(so->s); */
-/*	so->so_state = SS_ISFDISCONNECTED; */
-	/*
-	 * XXX Do nothing ... ?
-	 */
-}
-
-/*
- * Set write drain mode
- * Set CANTSENDMORE once all data has been write()n
- */
-void
-sofwdrain(so)
-	struct socket *so;
-{
-	if (so->so_rcv.sb_cc)
-		so->so_state |= SS_FWDRAIN;
-	else
-		sofcantsendmore(so);
-}
-