git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@13863 ec53bebd-3082-4978-b11e-865c3cabbd6b
		
			
				
	
	
		
			106 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) 1997, 1998 Kungliga Tekniska Högskolan
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 * (Royal Institute of Technology, Stockholm, Sweden). 
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 * All rights reserved. 
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 *
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 * Redistribution and use in source and binary forms, with or without 
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 * modification, are permitted provided that the following conditions 
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 * are met: 
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 *
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 * 1. Redistributions of source code must retain the above copyright 
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 *    notice, this list of conditions and the following disclaimer. 
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 *
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 * 2. Redistributions in binary form must reproduce the above copyright 
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 *    notice, this list of conditions and the following disclaimer in the 
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 *    documentation and/or other materials provided with the distribution. 
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 *
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 * 3. Neither the name of the Institute nor the names of its contributors 
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 *    may be used to endorse or promote products derived from this software 
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 *    without specific prior written permission. 
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
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 * SUCH DAMAGE. 
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 */
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#include "krb5_locl.h"
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RCSID("$Id$");
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krb5_ssize_t KRB5_LIB_FUNCTION
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krb5_net_write (krb5_context context,
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		void *p_fd,
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		const void *buf,
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		size_t len)
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{
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  int fd = *((int *)p_fd);
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  return net_write (fd, buf, len);
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}
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krb5_ssize_t KRB5_LIB_FUNCTION
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krb5_net_write_block(krb5_context context,
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		     void *p_fd,
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		     const void *buf,
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		     size_t len,
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		     time_t timeout)
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{
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  int fd = *((int *)p_fd);
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  int ret;
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  struct timeval tv, *tvp;
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  const char *cbuf = (const char *)buf;
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  size_t rem = len;
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  ssize_t count;
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  fd_set wfds;
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  do {
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      FD_ZERO(&wfds);
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      FD_SET(fd, &wfds);
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      if (timeout != 0) {
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	  tv.tv_sec = timeout;
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	  tv.tv_usec = 0;
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	  tvp = &tv;
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      } else
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	  tvp = NULL;
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      ret = select(fd + 1, NULL, &wfds, NULL, tvp);
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      if (ret < 0) {
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	  if (errno == EINTR)
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	      continue;
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	  return -1;
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      } else if (ret == 0)
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	  return 0;
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      if (!FD_ISSET(fd, &wfds)) {
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	  errno = ETIMEDOUT;
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	  return -1;
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      }
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#ifdef WIN32
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      count = send (fd, cbuf, rem, 0);
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#else
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      count = write (fd, cbuf, rem);
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#endif
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      if (count < 0) {
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	  if (errno == EINTR)
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	      continue;
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	  else
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	      return count;
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      }
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      cbuf += count;
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      rem -= count;
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  } while (rem > 0);
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  return len;
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}
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