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/* This file is part of the Project Athena Zephyr Notification System.
* It contains source for the ZSendPacket function.
*
* Created by: Robert French
*
* $Source$
* $Author$
*
* Copyright (c) 1987 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
/* $Header$ */
#ifndef lint
static char rcsid_ZSendPacket_c[] = "$Header$";
#endif lint
#include <zephyr/mit-copyright.h>
#include <zephyr/zephyr_internal.h>
#include <sys/socket.h>
Code_t ZSendPacket(packet,len)
ZPacket_t packet;
int len;
{
Code_t retval;
struct sockaddr_in dest;
struct timeval tv;
int i;
fd_set t1,t2,t3;
ZPacket_t ackpack;
ZNotice_t notice;
if (!packet || len < 0 || len > Z_MAXPKTLEN)
return (ZERR_ILLVAL);
if (ZGetFD() < 0)
if ((retval = ZOpenPort((u_short *)0)) != ZERR_NONE)
return (retval);
if ((retval = Z_InternalParseNotice(packet,len,¬ice,(int *)0,
(struct sockaddr_in *)0,(int (*)())0))
!= ZERR_NONE)
return (retval);
dest = ZGetDestAddr();
if (sendto(ZGetFD(),packet,len,0,&dest,sizeof(dest)) < 0)
return (errno);
if (notice.z_kind == UNSAFE || notice.z_kind == HMACK ||
notice.z_kind == SERVACK || notice.z_kind == CLIENTACK ||
__Zephyr_server || __HM_set)
return (ZERR_NONE);
tv.tv_sec = 0;
tv.tv_usec = 500000;
for (i=0;i<HM_TIMEOUT*2;i++) {
if (select(0,&t1,&t2,&t3,&tv) < 0)
return (errno);
retval = Z_NoAuthCheckIfNotice(ackpack,sizeof ackpack,¬ice,
ZCompareUIDPred,
(char *)¬ice.z_uid);
if (retval == ZERR_NONE)
return (ZERR_NONE);
if (retval != ZERR_NONOTICE)
return (retval);
}
return (ZERR_HMDEAD);
}
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