314 lines
7.3 KiB
C
314 lines
7.3 KiB
C
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/*
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* Copyright (c) 1995, 1996
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* Bill Paul <wpaul@ctr.columbia.edu>. 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* 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 Bill Paul OR CONTRIBUTORS BE LIABLE
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* FOR ANY 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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* $Id: yp_mkdb.c,v 1.4 1996/03/26 05:32:14 wpaul Exp wpaul $
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*/
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#include <stdio.h>
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#include <string.h>
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#include <fcntl.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <limits.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <time.h>
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#include <db.h>
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#include <err.h>
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#include <rpc/rpc.h>
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#include <rpcsvc/yp.h>
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#include "yp_extern.h"
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#ifndef lint
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static const char rcsid[] = "$Id: yp_mkdb.c,v 1.4 1996/03/26 05:32:14 wpaul Exp wpaul $";
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#endif
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char *yp_dir = ""; /* No particular default needed. */
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char *progname = "yp_mkdb";
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int _rpcpmstart = 0;
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int debug = 1;
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static void usage()
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{
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fprintf(stderr, "usage: %s -c\n", progname);
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fprintf(stderr, "usage: %s -u dbname\n", progname);
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fprintf(stderr, "usage: %s [-c] [-i inputfile] [-o outputfile]\n",
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progname);
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fprintf(stderr, " [-d domainname ] [-m mastername] \
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inputfile dbname\n");
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exit(1);
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}
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#define PERM_SECURE (S_IRUSR|S_IWUSR)
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static DB *open_db(path, flags)
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char *path;
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int flags;
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{
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extern HASHINFO openinfo;
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return(dbopen(path, flags, PERM_SECURE, DB_HASH, &openinfo));
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}
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static void unwind(map)
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char *map;
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{
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DB *dbp;
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DBT key, data;
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dbp = open_db(map, O_RDONLY);
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if (dbp == NULL)
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err(1, "open_db(%s) failed", map);
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key.data = NULL;
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while(yp_next_record(dbp, &key, &data, 1, 1) == YP_TRUE)
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printf("%.*s %.*s\n", key.size,key.data,data.size,data.data);
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(void)(dbp->close)(dbp);
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return;
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}
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main (argc, argv)
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int argc;
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char *argv[];
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{
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int ch;
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int un = 0;
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int clear = 0;
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char *infile = NULL;
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char *map = NULL;
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char *domain = NULL;
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char *infilename = NULL;
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char *outfilename = NULL;
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char *mastername = NULL;
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DB *dbp;
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DBT key, data;
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char buf[10240];
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char *keybuf, *datbuf;
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FILE *ifp;
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char hname[MAXHOSTNAMELEN + 2];
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while ((ch = getopt(argc, argv, "uhcd:i:o:m:")) != EOF) {
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switch(ch) {
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case 'u':
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un++;
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break;
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case 'c':
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clear++;
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break;
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case 'd':
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domain = optarg;
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break;
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case 'i':
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infilename = optarg;
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break;
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case 'o':
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outfilename = optarg;
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break;
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case 'm':
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mastername = optarg;
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break;
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case 'h':
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default:
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usage();
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break;
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}
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}
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argc -= optind;
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argv += optind;
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if (un) {
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map = argv[0];
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if (map == NULL)
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usage();
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unwind(map);
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exit(0);
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}
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infile = argv[0];
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map = argv[1];
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if (infile == NULL || map == NULL) {
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if (clear)
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goto doclear;
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usage();
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}
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if (mastername == NULL) {
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if (gethostname((char *)&hname, sizeof(hname)) == -1)
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err(1, "gethostname() failed");
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mastername = (char *)&hname;
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}
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/*
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* Note that while we can read from stdin, we can't
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* write to stdout; the db library doesn't let you
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* write to a file stream like that.
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*/
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if (!strcmp(infile, "-")) {
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ifp = stdin;
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} else {
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if ((ifp = fopen(infile, "r")) == NULL)
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err(1, "failed to open %s", infile);
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}
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if ((dbp = open_db(map, O_RDWR|O_EXLOCK|O_EXCL|O_CREAT)) == NULL)
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err(1, "open_db(%s) failed", map);
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key.data = "YP_MASTER_NAME";
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key.size = sizeof("YP_MASTER_NAME") - 1;
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data.data = mastername;
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data.size = strlen(mastername);
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yp_put_record(dbp, &key, &data);
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key.data = "YP_LAST_MODIFIED";
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key.size = sizeof("YP_LAST_MODIFIED") - 1;
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snprintf(buf, sizeof(buf), "%lu", time(NULL));
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data.data = &buf;
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data.size = strlen(buf);
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yp_put_record(dbp, &key, &data);
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if (infilename) {
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key.data = "YP_INPUT_FILE";
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key.size = sizeof("YP_INPUT_FILE") - 1;
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data.data = infilename;
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data.size = strlen(infilename);
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yp_put_record(dbp, &key, &data);
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}
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if (outfilename) {
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key.data = "YP_OUTPUT_FILE";
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key.size = sizeof("YP_OUTPUT_FILE") - 1;
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data.data = outfilename;
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data.size = strlen(outfilename);
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yp_put_record(dbp, &key, &data);
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}
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if (domain) {
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key.data = "YP_DOMAIN_NAME";
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key.size = sizeof("YP_DOMAIN_NAME") - 1;
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data.data = domain;
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data.size = strlen(domain);
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yp_put_record(dbp, &key, &data);
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}
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while(fgets((char *)&buf, sizeof(buf), ifp)) {
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char *sep = NULL;
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int rval;
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/* NUL terminate */
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if ((sep = strchr(buf, '\n')))
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*sep = '\0';
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/* handle backslash line continuations */
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while(buf[strlen(buf) - 1] == '\\') {
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fgets((char *)&buf[strlen(buf) - 1],
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sizeof(buf) - strlen(buf), ifp);
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if ((sep = strchr(buf, '\n')))
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*sep = '\0';
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}
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/* find the separation between the key and data */
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if ((sep = strpbrk(buf, " \t")) == NULL) {
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warnx("bad input -- no white space: %s", buf);
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continue;
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}
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/* separate the strings */
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keybuf = (char *)&buf;
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datbuf = sep + 1;
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*sep = '\0';
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/* set datbuf to start at first non-whitespace character */
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while (*datbuf == ' ' || *datbuf == '\t')
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datbuf++;
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/* Check for silliness. */
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if (*keybuf == '+' || *keybuf == '-' ||
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*datbuf == '+' || *datbuf == '-') {
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warnx("bad character at start of line: %s", buf);
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continue;
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}
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if (strlen(keybuf) > YPMAXRECORD) {
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warnx("key too long: %s", keybuf);
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continue;
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}
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if (strlen(datbuf) > YPMAXRECORD) {
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warnx("data too long: %s", datbuf);
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continue;
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}
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key.data = keybuf;
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key.size = strlen(keybuf);
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data.data = datbuf;
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data.size = strlen(datbuf);
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if ((rval = yp_put_record(dbp, &key, &data)) != YP_TRUE) {
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switch(rval) {
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case YP_FALSE:
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warnx("duplicate key '%s' - skipping", keybuf);
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break;
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case YP_BADDB:
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default:
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err(1,"failed to write new record - exiting");
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break;
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}
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}
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}
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(void)(dbp->close)(dbp);
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doclear:
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if (clear) {
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char in = 0;
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char *out = NULL;
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int stat;
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if ((stat = callrpc("localhost",YPPROG,YPVERS,YPPROC_CLEAR,
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xdr_void, (void *)&in,
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xdr_void, (void *)out)) != RPC_SUCCESS) {
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warnx("failed to send 'clear' to local ypserv: %s",
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clnt_sperrno((enum clnt_stat) stat));
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}
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}
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exit(0);
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}
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