/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user or with the express written consent of
* Sun Microsystems, Inc.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#if !defined(lint) && defined(SCCSIDS)
#if 0
static char sccsid[] = "@(#)newkey.c 1.8 91/03/11 Copyr 1986 Sun Micro";
#endif
#endif
/*
* Copyright (C) 1986, Sun Microsystems, Inc.
*/
/*
* Administrative tool to add a new user to the publickey database
*/
#include <sys/cdefs.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <rpc/rpc.h>
#include <rpc/key_prot.h>
#ifdef YP
#include <sys/wait.h>
#include <rpcsvc/yp_prot.h>
#include <rpcsvc/ypclnt.h>
#include <netdb.h>
#endif /* YP */
#include <err.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "extern.h"
#ifdef YP
#define MAXMAPNAMELEN 256
#else
#define YPOP_CHANGE 1 /* change, do not add */
#define YPOP_INSERT 2 /* add, do not change */
#define YPOP_DELETE 3 /* delete this entry */
#define YPOP_STORE 4 /* add, or change */
#define ERR_ACCESS 1
#define ERR_MALLOC 2
#define ERR_READ 3
#define ERR_WRITE 4
#define ERR_DBASE 5
#define ERR_KEY 6
#endif
#ifdef YP
static char YPDBPATH[]="/var/yp";
static char PKMAP[] = "publickey.byname";
#else
static char PKFILE[] = "/etc/publickey";
static const char *err_string(int);
#endif /* YP */
static void usage(void) __dead2;
int
main(int argc, char *argv[])
{
char name[MAXNETNAMELEN + 1];
char public[HEXKEYBYTES + 1];
char secret[HEXKEYBYTES + 1];
char crypt1[HEXKEYBYTES + KEYCHECKSUMSIZE + 1];
char crypt2[HEXKEYBYTES + KEYCHECKSUMSIZE + 1];
int status;
char *pass;
struct passwd *pw;
#ifdef undef
struct hostent *h;
#endif
if (argc != 3 || !(strcmp(argv[1], "-u") == 0 ||
strcmp(argv[1], "-h") == 0)) {
usage();
}
if (geteuid() != 0)
errx(1, "must be superuser");
#ifdef YP
if (chdir(YPDBPATH) < 0)
warn("cannot chdir to %s", YPDBPATH);
#endif /* YP */
if (strcmp(argv[1], "-u") == 0) {
pw = getpwnam(argv[2]);
if (pw == NULL)
errx(1, "unknown user: %s", argv[2]);
(void)user2netname(name, (int)pw->pw_uid, (char *)NULL);
} else {
#ifdef undef
h = gethostbyname(argv[2]);
if (h == NULL)
errx(1, "unknown host: %s", argv[1]);
(void)host2netname(name, h->h_name, (char *)NULL);
#else
(void)host2netname(name, argv[2], (char *)NULL);
#endif
}
(void)printf("Adding new key for %s.\n", name);
pass = getpass("New password:");
genkeys(public, secret, pass);
memcpy(crypt1, secret, HEXKEYBYTES);
memcpy(crypt1 + HEXKEYBYTES, secret, KEYCHECKSUMSIZE);
crypt1[HEXKEYBYTES + KEYCHECKSUMSIZE] = 0;
xencrypt(crypt1, pass);
memcpy(crypt2, crypt1, HEXKEYBYTES + KEYCHECKSUMSIZE + 1);
xdecrypt(crypt2, getpass("Retype password:"));
if (memcmp(crypt2, crypt2 + HEXKEYBYTES, KEYCHECKSUMSIZE) != 0 ||
memcmp(crypt2, secret, HEXKEYBYTES) != 0)
errx(1, "password incorrect");
#ifdef YP
(void)printf("Please wait for the database to get updated...\n");
#endif
if ((status = setpublicmap(name, public, crypt1))) {
#ifdef YP
errx(1, "unable to update NIS database (%u): %s",
status, yperr_string(status));
#else
errx(1, "unable to update publickey database (%u): %s",
status, err_string(status));
#endif
}
(void)printf("Your new key has been successfully stored away.\n");
exit(0);
/* NOTREACHED */
}
static void
usage(void)
{
(void)fprintf(stderr, "%s\n%s\n",
"usage: newkey -h hostname",
" newkey -u username");
exit(1);
}
/*
* Set the entry in the public key file
*/
int
setpublicmap(char *name, char *public, char *secret)
{
char pkent[1024];
(void)sprintf(pkent, "%s:%s", public, secret);
#ifdef YP
return (mapupdate(name, PKMAP, YPOP_STORE,
strlen(name), name, strlen(pkent), pkent));
#else
return (localupdate(name, PKFILE, YPOP_STORE,
strlen(name), name, strlen(pkent), pkent));
#endif
}
#ifndef YP
/*
* This returns a pointer to an error message string appropriate
* to an input error code. An input value of zero will return
* a success message.
*/
static const char *
err_string(int code)
{
const char *pmesg;
switch (code) {
case 0:
pmesg = "update operation succeeded";
break;
case ERR_KEY:
pmesg = "no such key in file";
break;
case ERR_READ:
pmesg = "cannot read the database";
break;
case ERR_WRITE:
pmesg = "cannot write to the database";
break;
case ERR_DBASE:
pmesg = "cannot update database";
break;
case ERR_ACCESS:
pmesg = "permission denied";
break;
case ERR_MALLOC:
pmesg = "malloc failed";
break;
default:
pmesg = "unknown error";
break;
}
return (pmesg);
}
#endif
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