GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/ypserv/ypxfr/../common/yplib_host.c Lines: 0 195 0.0 %
Date: 2017-11-07 Branches: 0 54 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: yplib_host.c,v 1.19 2015/09/11 12:42:47 deraadt Exp $ */
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/*
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 * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com>
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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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 * 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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 * 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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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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 * 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 <sys/types.h>
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#include <sys/socket.h>
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#include <sys/file.h>
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#include <sys/uio.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <unistd.h>
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#include <rpc/rpc.h>
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#include <rpc/xdr.h>
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#include <rpcsvc/yp.h>
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#include <rpcsvc/ypclnt.h>
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#include "yplib_host.h"
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int _yplib_host_timeout = 10;
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49
CLIENT *
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yp_bind_host(char *server, u_long program, u_long version, u_short port,
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    int usetcp)
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{
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	struct sockaddr_in rsrv_sin;
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	static CLIENT *client;
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	struct hostent *h;
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	struct timeval tv;
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	int rsrv_sock;
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59
	memset(&rsrv_sin, 0, sizeof rsrv_sin);
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	rsrv_sin.sin_len = sizeof rsrv_sin;
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	rsrv_sin.sin_family = AF_INET;
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	rsrv_sock = RPC_ANYSOCK;
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	if (port != 0)
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		rsrv_sin.sin_port = htons(port);
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66
	if (*server >= '0' && *server <= '9') {
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		if (inet_aton(server, &rsrv_sin.sin_addr) == 0) {
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			fprintf(stderr, "inet_aton: invalid address %s.\n",
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			    server);
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			exit(1);
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		}
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	} else {
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		h = gethostbyname(server);
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		if (h == NULL) {
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			fprintf(stderr, "gethostbyname: unknown host %s.\n",
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			    server);
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			exit(1);
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		}
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		rsrv_sin.sin_addr.s_addr = *(u_int32_t *)h->h_addr;
80
	}
81
82
	tv.tv_sec = 10;
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	tv.tv_usec = 0;
84
85
	if (usetcp)
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		client = clnttcp_create(&rsrv_sin, program, version,
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		    &rsrv_sock, 0, 0);
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	else
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		client = clntudp_create(&rsrv_sin, program, version, tv,
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		    &rsrv_sock);
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92
	if (client == NULL) {
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		fprintf(stderr, "clntudp_create: no contact with host %s.\n",
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		    server);
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		exit(1);
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	}
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	return(client);
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}
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100
CLIENT *
101
yp_bind_local(u_long program, u_long version)
102
{
103
	struct sockaddr_in rsrv_sin;
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	static CLIENT *client;
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	struct timeval tv;
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	int rsrv_sock;
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108
	memset(&rsrv_sin, 0, sizeof rsrv_sin);
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	rsrv_sin.sin_len = sizeof rsrv_sin;
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	rsrv_sin.sin_family = AF_INET;
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	rsrv_sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
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	rsrv_sock = RPC_ANYSOCK;
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114
	tv.tv_sec = 10;
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	tv.tv_usec = 0;
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117
	client = clntudp_create(&rsrv_sin, program, version, tv, &rsrv_sock);
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	if (client == NULL) {
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		fprintf(stderr,"clntudp_create: no contact with localhost.\n");
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		exit(1);
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	}
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	return(client);
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}
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125
int
126
yp_match_host(CLIENT *client, char *indomain, char *inmap, const char *inkey,
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    int inkeylen, char **outval, int *outvallen)
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{
129
	struct ypresp_val yprv;
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	struct ypreq_key yprk;
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	struct timeval tv;
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	int r;
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134
	*outval = NULL;
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	*outvallen = 0;
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137
	tv.tv_sec = _yplib_host_timeout;
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	tv.tv_usec = 0;
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140
	yprk.domain = indomain;
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	yprk.map = inmap;
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	yprk.key.keydat_val = (char *)inkey;
143
	yprk.key.keydat_len = inkeylen;
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145
	memset(&yprv, 0, sizeof yprv);
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147
	r = clnt_call(client, YPPROC_MATCH,
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	    xdr_ypreq_key, &yprk, xdr_ypresp_val, &yprv, tv);
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	if (r != RPC_SUCCESS)
150
		clnt_perror(client, "yp_match_host: clnt_call");
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	if ( !(r = ypprot_err(yprv.stat)) ) {
152
		*outvallen = yprv.val.valdat_len;
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		*outval = malloc(*outvallen+1);
154
		memcpy(*outval, yprv.val.valdat_val, *outvallen);
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		(*outval)[*outvallen] = '\0';
156
	}
157
	xdr_free(xdr_ypresp_val, (char *)&yprv);
158
	return r;
159
}
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161
int
162
yp_first_host(CLIENT *client, char *indomain, char *inmap, char **outkey,
163
    int *outkeylen, char **outval, int *outvallen)
164
{
165
	struct ypresp_key_val yprkv;
166
	struct ypreq_nokey yprnk;
167
	struct timeval tv;
168
	int r;
169
170
	*outkey = *outval = NULL;
171
	*outkeylen = *outvallen = 0;
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173
	tv.tv_sec = _yplib_host_timeout;
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	tv.tv_usec = 0;
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176
	yprnk.domain = indomain;
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	yprnk.map = inmap;
178
	memset(&yprkv, 0, sizeof yprkv);
179
180
	r = clnt_call(client, YPPROC_FIRST,
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	    xdr_ypreq_nokey, &yprnk, xdr_ypresp_key_val, &yprkv, tv);
182
	if (r != RPC_SUCCESS)
183
		clnt_perror(client, "yp_first_host: clnt_call");
184
	if ( !(r = ypprot_err(yprkv.stat)) ) {
185
		*outkeylen = yprkv.key.keydat_len;
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		*outkey = malloc(*outkeylen+1);
187
		memcpy(*outkey, yprkv.key.keydat_val, *outkeylen);
188
		(*outkey)[*outkeylen] = '\0';
189
		*outvallen = yprkv.val.valdat_len;
190
		*outval = malloc(*outvallen+1);
191
		memcpy(*outval, yprkv.val.valdat_val, *outvallen);
192
		(*outval)[*outvallen] = '\0';
193
	}
194
	xdr_free(xdr_ypresp_key_val, (char *)&yprkv);
195
	return r;
196
}
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198
int
199
yp_next_host(CLIENT *client, char *indomain, char *inmap, char *inkey,
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    int inkeylen, char **outkey, int *outkeylen, char **outval, int *outvallen)
201
{
202
	struct ypresp_key_val yprkv;
203
	struct ypreq_key yprk;
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	struct timeval tv;
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	int r;
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207
	*outkey = *outval = NULL;
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	*outkeylen = *outvallen = 0;
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210
	tv.tv_sec = _yplib_host_timeout;
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	tv.tv_usec = 0;
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213
	yprk.domain = indomain;
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	yprk.map = inmap;
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	yprk.key.keydat_val = inkey;
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	yprk.key.keydat_len = inkeylen;
217
	memset(&yprkv, 0, sizeof yprkv);
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219
	r = clnt_call(client, YPPROC_NEXT,
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	    xdr_ypreq_key, &yprk, xdr_ypresp_key_val, &yprkv, tv);
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	if (r != RPC_SUCCESS)
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		clnt_perror(client, "yp_next_host: clnt_call");
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	if ( !(r = ypprot_err(yprkv.stat)) ) {
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		*outkeylen = yprkv.key.keydat_len;
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		*outkey = malloc(*outkeylen+1);
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		memcpy(*outkey, yprkv.key.keydat_val, *outkeylen);
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		(*outkey)[*outkeylen] = '\0';
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		*outvallen = yprkv.val.valdat_len;
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		*outval = malloc(*outvallen+1);
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		memcpy(*outval, yprkv.val.valdat_val, *outvallen);
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		(*outval)[*outvallen] = '\0';
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	}
233
	xdr_free(xdr_ypresp_key_val, (char *)&yprkv);
234
	return r;
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}
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int (*ypserv_ypresp_allfn)(u_long, char *, int, char *, int, void *);
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void *ypserv_ypresp_data;
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240
bool_t
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ypserv_xdr_ypresp_all_seq(XDR *xdrs, u_long *objp)
242
{
243
	struct ypresp_all out;
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	u_long status;
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	char *key, *val;
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	int size;
247
	int done = 0;  /* set to 1 when the user does not want more data */
248
	bool_t rc = TRUE;  /* FALSE at the end of loop signals failure */
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250
	memset(&out, 0, sizeof out);
251
	while (rc && !done) {
252
		rc = FALSE;
253
		if (!xdr_ypresp_all(xdrs, &out)) {
254
			*objp = (u_long)YP_YPERR;
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			goto fail;
256
		}
257
		if (out.more == 0)
258
			goto fail;
259
		status = out.ypresp_all_u.val.stat;
260
		if (status == YP_TRUE) {
261
			size = out.ypresp_all_u.val.key.keydat_len;
262
			if ((key = malloc(size + 1)) == NULL) {
263
				*objp = (u_long)YP_YPERR;
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				goto fail;
265
			}
266
			(void)memcpy(key, out.ypresp_all_u.val.key.keydat_val,
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			    size);
268
			key[size] = '\0';
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270
			size = out.ypresp_all_u.val.val.valdat_len;
271
			if ((val = malloc(size + 1)) == NULL) {
272
				free(key);
273
				*objp = (u_long)YP_YPERR;
274
				goto fail;
275
			}
276
			(void)memcpy(val, out.ypresp_all_u.val.val.valdat_val,
277
			    size);
278
			val[size] = '\0';
279
280
			done = (*ypserv_ypresp_allfn)(status, key,
281
			    out.ypresp_all_u.val.key.keydat_len, val,
282
			    out.ypresp_all_u.val.val.valdat_len, ypserv_ypresp_data);
283
			free(key);
284
			free(val);
285
		} else
286
			done = 1;
287
		if (status != YP_NOMORE)
288
			*objp = status;
289
		rc = TRUE;
290
fail:
291
		xdr_free(xdr_ypresp_all, (char *)&out);
292
	}
293
	return rc;
294
}
295
296
int
297
yp_all_host(CLIENT *client, char *indomain, char *inmap,
298
    struct ypall_callback *incallback)
299
{
300
	struct ypreq_nokey yprnk;
301
	struct timeval tv;
302
	u_long status;
303
304
	tv.tv_sec = _yplib_host_timeout;
305
	tv.tv_usec = 0;
306
307
	yprnk.domain = indomain;
308
	yprnk.map = inmap;
309
	ypserv_ypresp_allfn = incallback->foreach;
310
	ypserv_ypresp_data = (void *)incallback->data;
311
312
	(void) clnt_call(client, YPPROC_ALL,
313
	    xdr_ypreq_nokey, &yprnk, ypserv_xdr_ypresp_all_seq, &status, tv);
314
	if (status != YP_FALSE)
315
		return ypprot_err(status);
316
	return 0;
317
}
318
319
int
320
yp_order_host(CLIENT *client, char *indomain, char *inmap, u_int32_t *outorder)
321
{
322
	struct ypresp_order ypro;
323
	struct ypreq_nokey yprnk;
324
	struct timeval tv;
325
	int r;
326
327
	tv.tv_sec = _yplib_host_timeout;
328
	tv.tv_usec = 0;
329
330
	yprnk.domain = indomain;
331
	yprnk.map = inmap;
332
333
	memset(&ypro, 0, sizeof ypro);
334
335
	r = clnt_call(client, YPPROC_ORDER,
336
	    xdr_ypreq_nokey, &yprnk, xdr_ypresp_order, &ypro, tv);
337
	if (r != RPC_SUCCESS)
338
		clnt_perror(client, "yp_order_host: clnt_call");
339
	*outorder = ypro.ordernum;
340
	xdr_free(xdr_ypresp_order, (char *)&ypro);
341
	return ypprot_err(ypro.stat);
342
}
343
344
int
345
yp_master_host(CLIENT *client, char *indomain, char *inmap, char **outname)
346
{
347
	struct ypresp_master yprm;
348
	struct ypreq_nokey yprnk;
349
	struct timeval tv;
350
	int r;
351
352
	tv.tv_sec = _yplib_host_timeout;
353
	tv.tv_usec = 0;
354
	yprnk.domain = indomain;
355
	yprnk.map = inmap;
356
357
	memset(&yprm, 0, sizeof yprm);
358
359
	r = clnt_call(client, YPPROC_MASTER,
360
	    xdr_ypreq_nokey, &yprnk, xdr_ypresp_master, &yprm, tv);
361
	if (r != RPC_SUCCESS)
362
		clnt_perror(client, "yp_master: clnt_call");
363
	if (!(r = ypprot_err(yprm.stat)))
364
		*outname = strdup(yprm.peer);
365
	xdr_free(xdr_ypresp_master, (char *)&yprm);
366
	return r;
367
}
368
369
int
370
yp_maplist_host(CLIENT *client, char *indomain, struct ypmaplist **outmaplist)
371
{
372
	struct ypresp_maplist ypml;
373
	struct timeval tv;
374
	int r;
375
376
	tv.tv_sec = _yplib_host_timeout;
377
	tv.tv_usec = 0;
378
379
	memset(&ypml, 0, sizeof ypml);
380
381
	r = clnt_call(client, YPPROC_MAPLIST,
382
	    xdr_domainname, &indomain, xdr_ypresp_maplist, &ypml, tv);
383
	if (r != RPC_SUCCESS)
384
		clnt_perror(client, "yp_maplist: clnt_call");
385
	*outmaplist = ypml.maps;
386
	/* NO: xdr_free(xdr_ypresp_maplist, &ypml);*/
387
	return ypprot_err(ypml.stat);
388
}