fresh git tree for public release
we regretfully had to remove our git history for licensing reasons Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
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Casey Bodley
commit
0ad4db4fad
271 changed files with 71255 additions and 0 deletions
311
libtirpc/src/getrpcent.c
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311
libtirpc/src/getrpcent.c
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/*
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* Copyright (c) 2009, Sun Microsystems, Inc.
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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 are met:
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1984 by Sun Microsystems, Inc.
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*/
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#include <wintirpc.h>
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#include <sys/types.h>
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//#include <netinet/in.h>
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//#include <arpa/inet.h>
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#include <assert.h>
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//#include <netdb.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 <rpc/rpc.h>
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#ifdef YP
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#include <rpcsvc/yp_prot.h>
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#include <rpcsvc/ypclnt.h>
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#endif
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#include <libc_private.h>
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/*
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* Internet version.
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*/
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static struct rpcdata {
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FILE *rpcf;
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int stayopen;
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#define MAXALIASES 35
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char *rpc_aliases[MAXALIASES];
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struct rpcent rpc;
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char line[BUFSIZ+1];
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#ifdef YP
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char *domain;
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char *current;
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int currentlen;
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#endif
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} *rpcdata;
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static struct rpcent *interpret(char *val, size_t len);
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#ifdef YP
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static int __yp_nomap = 0;
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#endif /* YP */
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#define RPCDB "/etc/rpc"
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static struct rpcdata *_rpcdata(void);
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static struct rpcdata *
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_rpcdata()
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{
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struct rpcdata *d = rpcdata;
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if (d == 0) {
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d = (struct rpcdata *)calloc(1, sizeof (struct rpcdata));
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rpcdata = d;
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}
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return (d);
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}
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#ifdef GQ
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struct rpcent *
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getrpcbynumber(number)
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int number;
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{
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#ifdef YP
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int reason;
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char adrstr[16];
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#endif
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struct rpcent *p;
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struct rpcdata *d = _rpcdata();
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if (d == 0)
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return (0);
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#ifdef YP
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if (!__yp_nomap && _yp_check(&d->domain)) {
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sprintf(adrstr, "%d", number);
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reason = yp_match(d->domain, "rpc.bynumber", adrstr, strlen(adrstr),
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&d->current, &d->currentlen);
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switch(reason) {
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case 0:
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break;
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case YPERR_MAP:
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__yp_nomap = 1;
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goto no_yp;
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break;
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default:
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return(0);
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break;
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}
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d->current[d->currentlen] = '\0';
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p = interpret(d->current, d->currentlen);
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(void) free(d->current);
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return p;
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}
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no_yp:
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#endif /* YP */
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setrpcent(0);
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while ((p = getrpcent()) != NULL) {
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if (p->r_number == number)
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break;
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}
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endrpcent();
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return (p);
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}
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struct rpcent *
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getrpcbyname(name)
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char *name;
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{
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struct rpcent *rpc = NULL;
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char **rp;
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assert(name != NULL);
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setrpcent(0);
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while ((rpc = getrpcent()) != NULL) {
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if (strcmp(rpc->r_name, name) == 0)
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goto done;
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for (rp = rpc->r_aliases; *rp != NULL; rp++) {
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if (strcmp(*rp, name) == 0)
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goto done;
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}
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}
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done:
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endrpcent();
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return (rpc);
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}
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#endif /* GQ */
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void
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setrpcent(f)
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int f;
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{
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struct rpcdata *d = _rpcdata();
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if (d == 0)
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return;
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#ifdef YP
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if (!__yp_nomap && _yp_check(NULL)) {
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if (d->current)
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free(d->current);
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d->current = NULL;
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d->currentlen = 0;
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return;
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}
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__yp_nomap = 0;
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#endif /* YP */
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if (d->rpcf == NULL)
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d->rpcf = fopen(RPCDB, "r");
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else
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rewind(d->rpcf);
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d->stayopen |= f;
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}
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void
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endrpcent()
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{
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struct rpcdata *d = _rpcdata();
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if (d == 0)
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return;
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#ifdef YP
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if (!__yp_nomap && _yp_check(NULL)) {
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if (d->current && !d->stayopen)
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free(d->current);
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d->current = NULL;
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d->currentlen = 0;
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return;
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}
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__yp_nomap = 0;
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#endif /* YP */
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if (d->rpcf && !d->stayopen) {
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fclose(d->rpcf);
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d->rpcf = NULL;
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}
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}
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struct rpcent *
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getrpcent()
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{
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struct rpcdata *d = _rpcdata();
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#ifdef YP
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struct rpcent *hp;
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int reason;
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char *val = NULL;
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int vallen;
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#endif
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if (d == 0)
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return(NULL);
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#ifdef YP
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if (!__yp_nomap && _yp_check(&d->domain)) {
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if (d->current == NULL && d->currentlen == 0) {
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reason = yp_first(d->domain, "rpc.bynumber",
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&d->current, &d->currentlen,
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&val, &vallen);
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} else {
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reason = yp_next(d->domain, "rpc.bynumber",
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d->current, d->currentlen,
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&d->current, &d->currentlen,
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&val, &vallen);
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}
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switch(reason) {
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case 0:
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break;
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case YPERR_MAP:
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__yp_nomap = 1;
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goto no_yp;
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break;
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default:
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return(0);
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break;
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}
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val[vallen] = '\0';
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hp = interpret(val, vallen);
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(void) free(val);
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return hp;
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}
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no_yp:
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#endif /* YP */
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if (d->rpcf == NULL && (d->rpcf = fopen(RPCDB, "r")) == NULL)
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return (NULL);
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/* -1 so there is room to append a \n below */
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if (fgets(d->line, BUFSIZ - 1, d->rpcf) == NULL)
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return (NULL);
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return (interpret(d->line, strlen(d->line)));
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}
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static struct rpcent *
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interpret(val, len)
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char *val;
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size_t len;
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{
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struct rpcdata *d = _rpcdata();
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char *p;
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char *cp, **q;
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assert(val != NULL);
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if (d == 0)
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return (0);
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(void) strncpy(d->line, val, BUFSIZ);
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d->line[BUFSIZ] = '\0';
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p = d->line;
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p[len] = '\n';
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if (*p == '#')
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return (getrpcent());
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cp = strpbrk(p, "#\n");
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if (cp == NULL)
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return (getrpcent());
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*cp = '\0';
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cp = strpbrk(p, " \t");
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if (cp == NULL)
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return (getrpcent());
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*cp++ = '\0';
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/* THIS STUFF IS INTERNET SPECIFIC */
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d->rpc.r_name = d->line;
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while (*cp == ' ' || *cp == '\t')
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cp++;
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d->rpc.r_number = atoi(cp);
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q = d->rpc.r_aliases = d->rpc_aliases;
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cp = strpbrk(cp, " \t");
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if (cp != NULL)
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*cp++ = '\0';
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while (cp && *cp) {
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if (*cp == ' ' || *cp == '\t') {
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cp++;
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continue;
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}
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if (q < &(d->rpc_aliases[MAXALIASES - 1]))
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*q++ = cp;
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cp = strpbrk(cp, " \t");
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if (cp != NULL)
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*cp++ = '\0';
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}
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*q = NULL;
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return (&d->rpc);
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}
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