8  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
116 	int port;	/* host order */  in rpc_call()  local
124 	port = rpc_getport(d, prog, vers);  in rpc_call()
125 	if (port == -1)  in rpc_call()
126 		return (-1);  in rpc_call()
128 	d->destport = htons(port);  in rpc_call()
138 	send_head -= sizeof(*auth);  in rpc_call()
140 	auth->authtype = htonl(RPCAUTH_NULL);  in rpc_call()
141 	auth->authlen = 0;  in rpc_call()
144 	send_head -= sizeof(struct auth_unix);  in rpc_call()
146 	send_head -= sizeof(*auth);  in rpc_call()
148 	auth->authtype = htonl(RPCAUTH_UNIX);  in rpc_call()
149 	auth->authlen = htonl(sizeof(struct auth_unix));  in rpc_call()
152 	send_head -= sizeof(*call);  in rpc_call()
155 	call->rp_xid       = htonl(rpc_xid);  in rpc_call()
156 	call->rp_direction = htonl(RPC_CALL);  in rpc_call()
157 	call->rp_rpcvers   = htonl(RPC_VER2);  in rpc_call()
158 	call->rp_prog = htonl(prog);  in rpc_call()
159 	call->rp_vers = htonl(vers);  in rpc_call()
160 	call->rp_proc = htonl(proc);  in rpc_call()
164 	    sendudp, send_head, send_tail - send_head,  in rpc_call()
171 	if (cc == -1)  in rpc_call()
172 		return (-1);  in rpc_call()
177 		return (-1);  in rpc_call()
184 	auth = &reply->rp_u.rpu_rok.rok_auth;  in rpc_call()
185 	x = ntohl(auth->authlen);  in rpc_call()
193 		return (-1);  in rpc_call()
195 	x = ntohl(reply->rp_u.rpu_rok.rok_status);  in rpc_call()
200 		return (-1);  in rpc_call()
203 	rsize = cc - sizeof(*reply);  in rpc_call()
232 		return (-1);  in recvrpc()
235 	x = ntohl(reply->rp_xid);  in recvrpc()
242 		return (-1);  in recvrpc()
245 	x = ntohl(reply->rp_direction);  in recvrpc()
252 		return (-1);  in recvrpc()
255 	x = ntohl(reply->rp_astatus);  in recvrpc()
257 		errno = ntohl(reply->rp_u.rpu_errno);  in recvrpc()
260 		return (-1);  in recvrpc()
271  * dig out the IP address/port from the headers.
274 rpc_fromaddr(void *pkt, struct in_addr *addr, u_short *port)  in rpc_fromaddr()  argument
281 		uint16_t uh_sport;		/* source port */  in rpc_fromaddr()
282 		uint16_t uh_dport;		/* destination port */  in rpc_fromaddr()
289 	hhdr = ((struct hackhdr *)pkt) - 1;  in rpc_fromaddr()
290 	addr->s_addr = hhdr->ip_src;  in rpc_fromaddr()
291 	*port = hhdr->uh_sport;  in rpc_fromaddr()
302 	u_int	prog;		/* host order */
303 	u_int	vers;		/* host order */
304 	int 	port;		/* host order */  member
308  * return port number in host order, or -1.
311  *  prog .. host order.
312  *  vers .. host order.
320 		if (pl->addr.s_addr == addr.s_addr &&  in rpc_pmap_getcache()
321 			pl->prog == prog && pl->vers == vers )  in rpc_pmap_getcache()
323 			return (pl->port);  in rpc_pmap_getcache()
326 	return (-1);  in rpc_pmap_getcache()
332  *  prog .. host order.
333  *  vers .. host order.
334  *  port .. host order.
337 rpc_pmap_putcache(struct in_addr addr, u_int prog, u_int vers, int port)  in rpc_pmap_putcache()  argument
343 		/* ... just re-use the last entry. */  in rpc_pmap_putcache()
344 		rpc_pmap_num = PMAP_NUM - 1;  in rpc_pmap_putcache()
354 	pl->addr = addr;  in rpc_pmap_putcache()
355 	pl->prog = prog;  in rpc_pmap_putcache()
356 	pl->vers = vers;  in rpc_pmap_putcache()
357 	pl->port = port;  in rpc_pmap_putcache()
362  * Request a port number from the port mapper.
363  * Returns the port in host order.
364  * prog and vers are host order.
373 		n_long	port;		/* call port (unused) */  in rpc_getport()  member
376 		n_long port;  in rpc_getport()  member
384 	int port;  in rpc_getport()  local
393 		port = PMAPPORT;  in rpc_getport()
398 	port = rpc_pmap_getcache(d->destip, prog, vers);  in rpc_getport()
399 	if (port != -1)  in rpc_getport()
403 	args->prog = htonl(prog);  in rpc_getport()
404 	args->vers = htonl(vers);  in rpc_getport()
405 	args->proto = htonl(IPPROTO_UDP);  in rpc_getport()
406 	args->port = 0;  in rpc_getport()
415 		return (-1);  in rpc_getport()
417 	port = (int)ntohl(res->port);  in rpc_getport()
420 	rpc_pmap_putcache(d->destip, prog, vers, port);  in rpc_getport()
425 		printf("%s: port=%u\n", __func__, port);  in rpc_getport()
427 	return (port);  in rpc_getport()