[deb_libnfs.git] / lib / pdu.c

/*
   Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com>

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as published by
   the Free Software Foundation; either version 2.1 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifdef WIN32
#include "win32_compat.h"
#ifndef MSG_DONTWAIT
#define MSG_DONTWAIT 0
#endif
#else
#include <strings.h>
#endif/*WIN32*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <errno.h>
#include "slist.h"
#include "libnfs-zdr.h"
#include "libnfs.h"
#include "libnfs-raw.h"
#include "libnfs-private.h"

struct rpc_pdu *rpc_allocate_pdu(struct rpc_context *rpc, int program, int version, int procedure, rpc_cb cb, void *private_data, zdrproc_t zdr_decode_fn, int zdr_decode_bufsize)
{
	struct rpc_pdu *pdu;
	struct rpc_msg msg;

	if (rpc == NULL) {
		return NULL;
	}

	pdu = malloc(sizeof(struct rpc_pdu));
	if (pdu == NULL) {
		rpc_set_error(rpc, "Out of memory: Failed to allocate pdu structure");
		return NULL;
	}
	memset(pdu, 0, sizeof(struct rpc_pdu));
	pdu->xid                = rpc->xid++;
	pdu->cb                 = cb;
	pdu->private_data       = private_data;
	pdu->zdr_decode_fn      = zdr_decode_fn;
	pdu->zdr_decode_bufsize = zdr_decode_bufsize;

	zdrmem_create(&pdu->zdr, rpc->encodebuf, rpc->encodebuflen, ZDR_ENCODE);
	if (rpc->is_udp == 0) {
		zdr_setpos(&pdu->zdr, 4); /* skip past the record marker */
	}

	memset(&msg, 0, sizeof(struct rpc_msg));
	msg.rm_xid = pdu->xid;
        msg.rm_direction = CALL;
	msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
	msg.rm_call.cb_prog = program;
	msg.rm_call.cb_vers = version;
	msg.rm_call.cb_proc = procedure;
	msg.rm_call.cb_cred = rpc->auth->ah_cred;
	msg.rm_call.cb_verf = rpc->auth->ah_verf;

	if (zdr_callmsg(&pdu->zdr, &msg) == 0) {
		rpc_set_error(rpc, "zdr_callmsg failed");
		zdr_destroy(&pdu->zdr);
		free(pdu);
		return NULL;
	}

	return pdu;
}

void rpc_free_pdu(struct rpc_context *rpc _U_, struct rpc_pdu *pdu)
{
	if (pdu->outdata.data != NULL) {
		free(pdu->outdata.data);
		pdu->outdata.data = NULL;
	}

	if (pdu->zdr_decode_buf != NULL) {
		zdr_free(pdu->zdr_decode_fn, pdu->zdr_decode_buf);
		free(pdu->zdr_decode_buf);
		pdu->zdr_decode_buf = NULL;
	}

	zdr_destroy(&pdu->zdr);

	free(pdu);
}


int rpc_queue_pdu(struct rpc_context *rpc, struct rpc_pdu *pdu)
{
	int size, recordmarker;

	size = zdr_getpos(&pdu->zdr);

	/* for udp we dont queue, we just send it straight away */
	if (rpc->is_udp != 0) {
// XXX add a rpc->udp_dest_sock_size  and get rid of sys/socket.h and netinet/in.h
		if (sendto(rpc->fd, rpc->encodebuf, size, MSG_DONTWAIT, rpc->udp_dest, sizeof(struct sockaddr_in)) < 0) {
			rpc_set_error(rpc, "Sendto failed with errno %s", strerror(errno));
			rpc_free_pdu(rpc, pdu);
			return -1;
		}
		SLIST_ADD_END(&rpc->waitpdu, pdu);
		return 0;
	}

	/* write recordmarker */
	zdr_setpos(&pdu->zdr, 0);
	recordmarker = (size - 4) | 0x80000000;
	zdr_int(&pdu->zdr, &recordmarker);

	pdu->outdata.size = size;
	pdu->outdata.data = malloc(pdu->outdata.size);
	if (pdu->outdata.data == NULL) {
		rpc_set_error(rpc, "Out of memory. Failed to allocate buffer for pdu\n");
		rpc_free_pdu(rpc, pdu);
		return -1;
	}

	memcpy(pdu->outdata.data, rpc->encodebuf, pdu->outdata.size);
	SLIST_ADD_END(&rpc->outqueue, pdu);

	return 0;
}

int rpc_get_pdu_size(char *buf)
{
	uint32_t size;

	size = ntohl(*(uint32_t *)buf);

	return (size & 0x7fffffff) + 4;
}

static int rpc_process_reply(struct rpc_context *rpc, struct rpc_pdu *pdu, ZDR *zdr)
{
	struct rpc_msg msg;

	memset(&msg, 0, sizeof(struct rpc_msg));
	msg.acpted_rply.ar_verf = _null_auth;
	if (pdu->zdr_decode_bufsize > 0) {
		if (pdu->zdr_decode_buf != NULL) {
			free(pdu->zdr_decode_buf);
		}
		pdu->zdr_decode_buf = malloc(pdu->zdr_decode_bufsize);
		if (pdu->zdr_decode_buf == NULL) {
			rpc_set_error(rpc, "zdr_replymsg failed in portmap_getport_reply");
			pdu->cb(rpc, RPC_STATUS_ERROR, "Failed to allocate buffer for decoding of ZDR reply", pdu->private_data);
			return 0;
		}
		memset(pdu->zdr_decode_buf, 0, pdu->zdr_decode_bufsize);
	}
	msg.acpted_rply.ar_results.where = pdu->zdr_decode_buf;
	msg.acpted_rply.ar_results.proc  = pdu->zdr_decode_fn;

	if (zdr_replymsg(zdr, &msg) == 0) {
		rpc_set_error(rpc, "zdr_replymsg failed in portmap_getport_reply");
		pdu->cb(rpc, RPC_STATUS_ERROR, "Message rejected by server", pdu->private_data);
		if (pdu->zdr_decode_buf != NULL) {
			free(pdu->zdr_decode_buf);
			pdu->zdr_decode_buf = NULL;
		}
		return 0;
	}
	if (msg.rm_reply.rp_stat != MSG_ACCEPTED) {
		pdu->cb(rpc, RPC_STATUS_ERROR, "RPC Packet not accepted by the server", pdu->private_data);
		return 0;
	}
	switch (msg.rm_reply.rp_acpt.ar_stat) {
	case SUCCESS:
		pdu->cb(rpc, RPC_STATUS_SUCCESS, pdu->zdr_decode_buf, pdu->private_data);
		break;
	case PROG_UNAVAIL:
		pdu->cb(rpc, RPC_STATUS_ERROR, "Server responded: Program not available", pdu->private_data);
		break;
	case PROG_MISMATCH:
		pdu->cb(rpc, RPC_STATUS_ERROR, "Server responded: Program version mismatch", pdu->private_data);
		break;
	case PROC_UNAVAIL:
		pdu->cb(rpc, RPC_STATUS_ERROR, "Server responded: Procedure not available", pdu->private_data);
		break;
	case GARBAGE_ARGS:
		pdu->cb(rpc, RPC_STATUS_ERROR, "Server responded: Garbage arguments", pdu->private_data);
		break;
	case SYSTEM_ERR:
		pdu->cb(rpc, RPC_STATUS_ERROR, "Server responded: System Error", pdu->private_data);
		break;
	default:
		pdu->cb(rpc, RPC_STATUS_ERROR, "Unknown rpc response from server", pdu->private_data);
		break;
	}

	return 0;
}

int rpc_process_pdu(struct rpc_context *rpc, char *buf, int size)
{
	struct rpc_pdu *pdu;
	ZDR zdr;
	int pos, recordmarker = 0;
	unsigned int xid;
	char *reasbuf = NULL;

	memset(&zdr, 0, sizeof(ZDR));

	zdrmem_create(&zdr, buf, size, ZDR_DECODE);
	if (rpc->is_udp == 0) {
		if (zdr_int(&zdr, &recordmarker) == 0) {
			rpc_set_error(rpc, "zdr_int reading recordmarker failed");
			zdr_destroy(&zdr);
			return -1;
		}
		if (!(recordmarker&0x80000000)) {
			zdr_destroy(&zdr);
			if (rpc_add_fragment(rpc, buf+4, size-4) != 0) {
				rpc_set_error(rpc, "Failed to queue fragment for reassembly.");
				return -1;
			}
			return 0;
		}
	}

	/* reassembly */
	if (recordmarker != 0 && rpc->fragments != NULL) {
		struct rpc_fragment *fragment;
		uint64_t total = size - 4;
		char *ptr;

		zdr_destroy(&zdr);
		for (fragment = rpc->fragments; fragment; fragment = fragment->next) {
			total += fragment->size;
		}

		reasbuf = malloc(total);
		if (reasbuf == NULL) {
			rpc_set_error(rpc, "Failed to reassemble PDU");
			rpc_free_all_fragments(rpc);
			return -1;
		}
		ptr = reasbuf;
		for (fragment = rpc->fragments; fragment; fragment = fragment->next) {
			memcpy(ptr, fragment->data, fragment->size);
			ptr += fragment->size;
		}
		memcpy(ptr, buf + 4, size - 4);
		zdrmem_create(&zdr, reasbuf, total, ZDR_DECODE);
		rpc_free_all_fragments(rpc);
	}

	pos = zdr_getpos(&zdr);
	if (zdr_int(&zdr, (int *)&xid) == 0) {
		rpc_set_error(rpc, "zdr_int reading xid failed");
		zdr_destroy(&zdr);
		if (reasbuf != NULL) {
			free(reasbuf);
		}
		return -1;
	}
	zdr_setpos(&zdr, pos);

	for (pdu=rpc->waitpdu; pdu; pdu=pdu->next) {
		if (pdu->xid != xid) {
			continue;
		}
		if (rpc->is_udp == 0 || rpc->is_broadcast == 0) {
			SLIST_REMOVE(&rpc->waitpdu, pdu);
		}
		if (rpc_process_reply(rpc, pdu, &zdr) != 0) {
			rpc_set_error(rpc, "rpc_procdess_reply failed");
		}
		zdr_destroy(&zdr);
		if (rpc->is_udp == 0 || rpc->is_broadcast == 0) {
			rpc_free_pdu(rpc, pdu);
		}
		if (reasbuf != NULL) {
			free(reasbuf);
		}
		return 0;
	}
	rpc_set_error(rpc, "No matching pdu found for xid:%d", xid);
	zdr_destroy(&zdr);
	if (reasbuf != NULL) {
		free(reasbuf);
	}
	return -1;
}
Commit	Line	Data
84004dbf RS	1	/*
	2	Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
	3
	4	This program is free software; you can redistribute it and/or modify
	5	it under the terms of the GNU Lesser General Public License as published by
	6	the Free Software Foundation; either version 2.1 of the License, or
	7	(at your option) any later version.
	8
	9	This program is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	GNU Lesser General Public License for more details.
	13
	14	You should have received a copy of the GNU Lesser General Public License
	15	along with this program; if not, see <http://www.gnu.org/licenses/>.
	16	*/
a8a1b858 M	17	#ifdef WIN32
	18	#include "win32_compat.h"
	19	#ifndef MSG_DONTWAIT
6874f61e	20	#define MSG_DONTWAIT 0
a8a1b858	21	#endif
6874f61e	22	#else
84004dbf	23	#include <strings.h>
a8a1b858	24	#endif/WIN32/
6874f61e RS	25
6874f61e RS	26	#include <stdio.h>
98f5fee8	27	#include <stdlib.h>
763cd6e3 RS	28	#include <string.h>
	29	#include <sys/socket.h>
	30	#include <netinet/in.h>
a669857d	31	#include <errno.h>
84004dbf	32	#include "slist.h"
763cd6e3	33	#include "libnfs-zdr.h"
84004dbf RS	34	#include "libnfs.h"
	35	#include "libnfs-raw.h"
	36	#include "libnfs-private.h"
	37
763cd6e3	38	struct rpc_pdu rpc_allocate_pdu(struct rpc_context rpc, int program, int version, int procedure, rpc_cb cb, void *private_data, zdrproc_t zdr_decode_fn, int zdr_decode_bufsize)
84004dbf RS	39	{
	40	struct rpc_pdu *pdu;
	41	struct rpc_msg msg;
	42
	43	if (rpc == NULL) {
84004dbf RS	44	return NULL;
	45	}
	46
	47	pdu = malloc(sizeof(struct rpc_pdu));
	48	if (pdu == NULL) {
1896d37b	49	rpc_set_error(rpc, "Out of memory: Failed to allocate pdu structure");
84004dbf RS	50	return NULL;
84004dbf RS	51	}
ea98629a	52	memset(pdu, 0, sizeof(struct rpc_pdu));
84004dbf RS	53	pdu->xid = rpc->xid++;
	54	pdu->cb = cb;
	55	pdu->private_data = private_data;
763cd6e3 RS	56	pdu->zdr_decode_fn = zdr_decode_fn;
763cd6e3 RS	57	pdu->zdr_decode_bufsize = zdr_decode_bufsize;
84004dbf	58
763cd6e3	59	zdrmem_create(&pdu->zdr, rpc->encodebuf, rpc->encodebuflen, ZDR_ENCODE);
a1992412	60	if (rpc->is_udp == 0) {
763cd6e3	61	zdr_setpos(&pdu->zdr, 4); /* skip past the record marker */
a1992412	62	}
84004dbf	63
ea98629a	64	memset(&msg, 0, sizeof(struct rpc_msg));
84004dbf RS	65	msg.rm_xid = pdu->xid;
	66	msg.rm_direction = CALL;
	67	msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
	68	msg.rm_call.cb_prog = program;
	69	msg.rm_call.cb_vers = version;
	70	msg.rm_call.cb_proc = procedure;
	71	msg.rm_call.cb_cred = rpc->auth->ah_cred;
	72	msg.rm_call.cb_verf = rpc->auth->ah_verf;
	73
763cd6e3 RS	74	if (zdr_callmsg(&pdu->zdr, &msg) == 0) {
	75	rpc_set_error(rpc, "zdr_callmsg failed");
	76	zdr_destroy(&pdu->zdr);
84004dbf RS	77	free(pdu);
	78	return NULL;
	79	}
	80
	81	return pdu;
	82	}
	83
	84	void rpc_free_pdu(struct rpc_context rpc _U_, struct rpc_pdu pdu)
	85	{
	86	if (pdu->outdata.data != NULL) {
	87	free(pdu->outdata.data);
	88	pdu->outdata.data = NULL;
	89	}
	90
763cd6e3 RS	91	if (pdu->zdr_decode_buf != NULL) {
	92	zdr_free(pdu->zdr_decode_fn, pdu->zdr_decode_buf);
	93	free(pdu->zdr_decode_buf);
	94	pdu->zdr_decode_buf = NULL;
84004dbf RS	95	}
84004dbf RS	96
763cd6e3	97	zdr_destroy(&pdu->zdr);
df5af25f	98
84004dbf RS	99	free(pdu);
	100	}
	101
	102
	103	int rpc_queue_pdu(struct rpc_context rpc, struct rpc_pdu pdu)
	104	{
	105	int size, recordmarker;
	106
763cd6e3	107	size = zdr_getpos(&pdu->zdr);
84004dbf	108
a669857d RS	109	/* for udp we dont queue, we just send it straight away */
a669857d RS	110	if (rpc->is_udp != 0) {
763cd6e3	111	// XXX add a rpc->udp_dest_sock_size and get rid of sys/socket.h and netinet/in.h
a669857d RS	112	if (sendto(rpc->fd, rpc->encodebuf, size, MSG_DONTWAIT, rpc->udp_dest, sizeof(struct sockaddr_in)) < 0) {
	113	rpc_set_error(rpc, "Sendto failed with errno %s", strerror(errno));
	114	rpc_free_pdu(rpc, pdu);
	115	return -1;
	116	}
	117	SLIST_ADD_END(&rpc->waitpdu, pdu);
	118	return 0;
	119	}
	120
84004dbf	121	/* write recordmarker */
763cd6e3	122	zdr_setpos(&pdu->zdr, 0);
84004dbf	123	recordmarker = (size - 4) \| 0x80000000;
763cd6e3	124	zdr_int(&pdu->zdr, &recordmarker);
84004dbf RS	125
	126	pdu->outdata.size = size;
	127	pdu->outdata.data = malloc(pdu->outdata.size);
	128	if (pdu->outdata.data == NULL) {
	129	rpc_set_error(rpc, "Out of memory. Failed to allocate buffer for pdu\n");
	130	rpc_free_pdu(rpc, pdu);
	131	return -1;
	132	}
	133
	134	memcpy(pdu->outdata.data, rpc->encodebuf, pdu->outdata.size);
	135	SLIST_ADD_END(&rpc->outqueue, pdu);
	136
	137	return 0;
	138	}
	139
	140	int rpc_get_pdu_size(char *buf)
	141	{
	142	uint32_t size;
	143
	144	size = ntohl((uint32_t )buf);
	145
84004dbf RS	146	return (size & 0x7fffffff) + 4;
	147	}
	148
763cd6e3	149	static int rpc_process_reply(struct rpc_context rpc, struct rpc_pdu pdu, ZDR *zdr)
84004dbf RS	150	{
	151	struct rpc_msg msg;
	152
ea98629a	153	memset(&msg, 0, sizeof(struct rpc_msg));
84004dbf	154	msg.acpted_rply.ar_verf = _null_auth;
763cd6e3 RS	155	if (pdu->zdr_decode_bufsize > 0) {
	156	if (pdu->zdr_decode_buf != NULL) {
	157	free(pdu->zdr_decode_buf);
1b9917b8	158	}
763cd6e3 RS	159	pdu->zdr_decode_buf = malloc(pdu->zdr_decode_bufsize);
	160	if (pdu->zdr_decode_buf == NULL) {
	161	rpc_set_error(rpc, "zdr_replymsg failed in portmap_getport_reply");
	162	pdu->cb(rpc, RPC_STATUS_ERROR, "Failed to allocate buffer for decoding of ZDR reply", pdu->private_data);
84004dbf RS	163	return 0;
84004dbf RS	164	}
763cd6e3	165	memset(pdu->zdr_decode_buf, 0, pdu->zdr_decode_bufsize);
84004dbf	166	}
763cd6e3 RS	167	msg.acpted_rply.ar_results.where = pdu->zdr_decode_buf;
763cd6e3 RS	168	msg.acpted_rply.ar_results.proc = pdu->zdr_decode_fn;
84004dbf	169
763cd6e3 RS	170	if (zdr_replymsg(zdr, &msg) == 0) {
763cd6e3 RS	171	rpc_set_error(rpc, "zdr_replymsg failed in portmap_getport_reply");
84004dbf	172	pdu->cb(rpc, RPC_STATUS_ERROR, "Message rejected by server", pdu->private_data);
763cd6e3 RS	173	if (pdu->zdr_decode_buf != NULL) {
	174	free(pdu->zdr_decode_buf);
	175	pdu->zdr_decode_buf = NULL;
84004dbf RS	176	}
	177	return 0;
	178	}
	179	if (msg.rm_reply.rp_stat != MSG_ACCEPTED) {
	180	pdu->cb(rpc, RPC_STATUS_ERROR, "RPC Packet not accepted by the server", pdu->private_data);
	181	return 0;
	182	}
	183	switch (msg.rm_reply.rp_acpt.ar_stat) {
	184	case SUCCESS:
763cd6e3	185	pdu->cb(rpc, RPC_STATUS_SUCCESS, pdu->zdr_decode_buf, pdu->private_data);
84004dbf RS	186	break;
	187	case PROG_UNAVAIL:
	188	pdu->cb(rpc, RPC_STATUS_ERROR, "Server responded: Program not available", pdu->private_data);
	189	break;
	190	case PROG_MISMATCH:
	191	pdu->cb(rpc, RPC_STATUS_ERROR, "Server responded: Program version mismatch", pdu->private_data);
	192	break;
	193	case PROC_UNAVAIL:
	194	pdu->cb(rpc, RPC_STATUS_ERROR, "Server responded: Procedure not available", pdu->private_data);
	195	break;
	196	case GARBAGE_ARGS:
	197	pdu->cb(rpc, RPC_STATUS_ERROR, "Server responded: Garbage arguments", pdu->private_data);
	198	break;
	199	case SYSTEM_ERR:
	200	pdu->cb(rpc, RPC_STATUS_ERROR, "Server responded: System Error", pdu->private_data);
	201	break;
	202	default:
	203	pdu->cb(rpc, RPC_STATUS_ERROR, "Unknown rpc response from server", pdu->private_data);
	204	break;
	205	}
	206
	207	return 0;
	208	}
	209
	210	int rpc_process_pdu(struct rpc_context rpc, char buf, int size)
	211	{
	212	struct rpc_pdu *pdu;
763cd6e3	213	ZDR zdr;
d678b73e	214	int pos, recordmarker = 0;
84004dbf	215	unsigned int xid;
d678b73e	216	char *reasbuf = NULL;
84004dbf	217
763cd6e3	218	memset(&zdr, 0, sizeof(ZDR));
84004dbf	219
763cd6e3	220	zdrmem_create(&zdr, buf, size, ZDR_DECODE);
a669857d	221	if (rpc->is_udp == 0) {
763cd6e3 RS	222	if (zdr_int(&zdr, &recordmarker) == 0) {
	223	rpc_set_error(rpc, "zdr_int reading recordmarker failed");
	224	zdr_destroy(&zdr);
a669857d RS	225	return -1;
a669857d RS	226	}
d678b73e	227	if (!(recordmarker&0x80000000)) {
763cd6e3	228	zdr_destroy(&zdr);
d678b73e RS	229	if (rpc_add_fragment(rpc, buf+4, size-4) != 0) {
	230	rpc_set_error(rpc, "Failed to queue fragment for reassembly.");
	231	return -1;
	232	}
	233	return 0;
	234	}
84004dbf	235	}
d678b73e RS	236
	237	/* reassembly */
	238	if (recordmarker != 0 && rpc->fragments != NULL) {
	239	struct rpc_fragment *fragment;
183451cf	240	uint64_t total = size - 4;
d678b73e RS	241	char *ptr;
d678b73e RS	242
763cd6e3	243	zdr_destroy(&zdr);
d678b73e RS	244	for (fragment = rpc->fragments; fragment; fragment = fragment->next) {
	245	total += fragment->size;
	246	}
	247
	248	reasbuf = malloc(total);
	249	if (reasbuf == NULL) {
	250	rpc_set_error(rpc, "Failed to reassemble PDU");
	251	rpc_free_all_fragments(rpc);
	252	return -1;
	253	}
	254	ptr = reasbuf;
	255	for (fragment = rpc->fragments; fragment; fragment = fragment->next) {
	256	memcpy(ptr, fragment->data, fragment->size);
	257	ptr += fragment->size;
	258	}
	259	memcpy(ptr, buf + 4, size - 4);
763cd6e3	260	zdrmem_create(&zdr, reasbuf, total, ZDR_DECODE);
d678b73e RS	261	rpc_free_all_fragments(rpc);
	262	}
	263
763cd6e3 RS	264	pos = zdr_getpos(&zdr);
	265	if (zdr_int(&zdr, (int *)&xid) == 0) {
	266	rpc_set_error(rpc, "zdr_int reading xid failed");
	267	zdr_destroy(&zdr);
d678b73e RS	268	if (reasbuf != NULL) {
	269	free(reasbuf);
	270	}
84004dbf RS	271	return -1;
84004dbf RS	272	}
763cd6e3	273	zdr_setpos(&zdr, pos);
84004dbf RS	274
	275	for (pdu=rpc->waitpdu; pdu; pdu=pdu->next) {
	276	if (pdu->xid != xid) {
	277	continue;
	278	}
a669857d RS	279	if (rpc->is_udp == 0 \|\| rpc->is_broadcast == 0) {
	280	SLIST_REMOVE(&rpc->waitpdu, pdu);
	281	}
763cd6e3	282	if (rpc_process_reply(rpc, pdu, &zdr) != 0) {
1896d37b	283	rpc_set_error(rpc, "rpc_procdess_reply failed");
84004dbf	284	}
763cd6e3	285	zdr_destroy(&zdr);
a669857d RS	286	if (rpc->is_udp == 0 \|\| rpc->is_broadcast == 0) {
	287	rpc_free_pdu(rpc, pdu);
	288	}
d678b73e RS	289	if (reasbuf != NULL) {
	290	free(reasbuf);
	291	}
84004dbf RS	292	return 0;
84004dbf RS	293	}
1896d37b	294	rpc_set_error(rpc, "No matching pdu found for xid:%d", xid);
763cd6e3	295	zdr_destroy(&zdr);
d678b73e RS	296	if (reasbuf != NULL) {
	297	free(reasbuf);
	298	}
84004dbf RS	299	return -1;
	300	}
	301