src/usr.bin/ypcat/ypcat.c

146 lines
3.6 KiB
C

/* $OpenBSD: ypcat.c,v 1.20 2015/11/11 02:52:46 deraadt Exp $ */
/*
* Copyright (c) 1992, 1993, 1996 Theo de Raadt <deraadt@theos.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <rpc/rpc.h>
#include <rpc/xdr.h>
#include <rpcsvc/yp.h>
#include <rpcsvc/ypclnt.h>
void usage(void);
int printit(u_long, char *, int, char *, int, void *);
struct ypalias {
char *alias, *name;
} ypaliases[] = {
{ "passwd", "passwd.byname" },
{ "master.passwd", "master.passwd.byname" },
{ "group", "group.byname" },
{ "networks", "networks.byaddr" },
{ "hosts", "hosts.byaddr" },
{ "protocols", "protocols.bynumber" },
{ "services", "services.byname" },
{ "aliases", "mail.aliases" },
{ "ethers", "ethers.byname" },
};
int key;
void
usage(void)
{
fprintf(stderr,
"usage: ypcat [-kt] [-d domainname] mapname\n"
" ypcat -x\n");
exit(1);
}
int
printit(u_long instatus, char *inkey, int inkeylen, char *inval, int invallen,
void *indata)
{
if (instatus != YP_TRUE)
return instatus;
if (key)
printf("%*.*s ", inkeylen, inkeylen, inkey);
printf("%*.*s\n", invallen, invallen, inval);
return 0;
}
int
main(int argc, char *argv[])
{
char *domain = NULL, *inmap;
struct ypall_callback ypcb;
extern char *optarg;
extern int optind;
int notrans, c, r, i;
if (pledge("stdio rpath inet getpw", NULL) == -1) {
perror("pledge");
exit(1);
}
notrans = key = 0;
while ((c=getopt(argc, argv, "xd:kt")) != -1)
switch (c) {
case 'x':
for (i=0; i<sizeof ypaliases/sizeof ypaliases[0]; i++)
printf("Use \"%s\" for \"%s\"\n",
ypaliases[i].alias, ypaliases[i].name);
exit(0);
case 'd':
domain = optarg;
break;
case 't':
notrans = 1;
break;
case 'k':
key = 1;
break;
default:
usage();
}
if (optind + 1 != argc )
usage();
if (!domain)
yp_get_default_domain(&domain);
inmap = argv[optind];
if (!notrans) {
for (i=0; i<sizeof ypaliases/sizeof ypaliases[0]; i++)
if (strcmp(inmap, ypaliases[i].alias) == 0)
inmap = ypaliases[i].name;
}
ypcb.foreach = printit;
ypcb.data = NULL;
r = yp_all(domain, inmap, &ypcb);
switch (r) {
case 0:
break;
case YPERR_YPBIND:
fprintf(stderr, "ypcat: not running ypbind\n");
exit(1);
default:
fprintf(stderr, "No such map %s. Reason: %s\n",
inmap, yperr_string(r));
exit(1);
}
exit(0);
}