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/*
* On socket-only systems, fromhost() is nothing but an alias for the
* socket-specific sock_host() function.
*
* On systems with sockets and TLI, fromhost() determines the type of API
* (sockets, TLI), then invokes the appropriate API-specific routines.
*
* Diagnostics are reported through syslog(3).
*
* Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
*/
#ifndef lint
static char sccsid[] = "@(#) fromhost.c 1.17 94/12/28 17:42:23";
#endif
#if defined(TLI) || defined(PTX) || defined(TLI_SEQUENT)
/* System libraries. */
#include <sys/types.h>
#include <sys/tiuser.h>
#include <stropts.h>
/* Local stuff. */
#include "tcpd.h"
/* fromhost - find out what network API we should use */
void fromhost(request)
struct request_info *request;
{
/*
* On systems with streams support the IP network protocol family may be
* accessible via more than one programming interface: Berkeley sockets
* and the Transport Level Interface (TLI).
*
* Thus, we must first find out what programming interface to use: sockets
* or TLI. On some systems, sockets are not part of the streams system,
* so if request->fd is not a stream we simply assume sockets.
*/
if (ioctl(request->fd, I_FIND, "timod") > 0) {
tli_host(request);
} else {
sock_host(request);
}
}
#endif /* TLI || PTX || TLI_SEQUENT */
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