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/* $Id: make_keypair.c,v 1.4 1997/06/29 10:32:18 provos Exp $ */
/*-
* Copyright (c) 1988, 1993
* The Regents of the University of California. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*/
#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1988, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
static char sccsid[] = "@(#)make_keypair.c 8.1 (Berkeley) 6/1/93";
#endif /* not lint */
#include <sys/types.h>
#include <sys/file.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <strings.h>
#include <netdb.h>
#include <unistd.h>
#include <des.h>
#include <kerberosIV/krb.h>
#include "pathnames.h"
#include "register_proto.h"
char *progname;
extern void herror();
void make_key(), usage();
main(argc, argv)
int argc;
char **argv;
{
struct hostent *hp;
char *addr;
int i;
struct sockaddr_in sin;
progname = (addr = strrchr(*argv, '/')) ? addr + 1 : *argv;
if (argc != 2) {
usage(argv[0]);
exit(1);
}
if ((hp = gethostbyname(argv[1])) == NULL) {
herror(argv[1]);
exit(1);
}
for (i = 0; addr = hp->h_addr_list[i]; i++) {
addr = hp->h_addr_list[i];
bcopy(addr, &sin.sin_addr, hp->h_length);
printf("Making key for host %s (%s)\n",
argv[1], inet_ntoa(sin.sin_addr));
make_key(sin.sin_addr);
}
printf("==========\n");
printf("One copy of the each key should be put in %s on the\n",
SERVER_KEYDIR);
printf("Kerberos server machine (mode 600, owner root).\n");
printf("Another copy of each key should be put on the named\n");
printf("client as %sXXX.XXX.XXX.XXX (same modes as above),\n",
CLIENT_KEYFILE);
printf("where the X's refer to digits of the host's inet address.\n");
(void)fflush(stdout);
exit(0);
}
void
make_key(addr)
struct in_addr addr;
{
struct keyfile_data kfile;
char namebuf[255];
int fd;
(void)snprintf(namebuf, sizeof(namebuf), "%s", inet_ntoa(addr));
fd = open(namebuf, O_WRONLY|O_CREAT, 0600);
if (fd < 0) {
perror("open");
exit(1);
}
random_key(kfile.kf_key);
printf("writing to file -> %s ...", namebuf);
if (write(fd, &kfile, sizeof(kfile)) != sizeof(kfile)) {
fprintf(stderr, "error writing file %s\n", namebuf);
}
printf("done.\n");
(void)close(fd);
return;
}
void
usage(name)
char *name;
{
fprintf(stderr, "usage: %s host\n", name);
}
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