179 lines
4.1 KiB
C
179 lines
4.1 KiB
C
/*
|
|
* 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)
|
|
static char sccsid[] = "@(#)publickey.c 1.10 91/03/11 Copyr 1986 Sun Micro";
|
|
#endif
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
/*
|
|
* publickey.c
|
|
* Copyright (C) 1986, Sun Microsystems, Inc.
|
|
*/
|
|
|
|
/*
|
|
* Public key lookup routines
|
|
*/
|
|
#include "namespace.h"
|
|
#include <stdio.h>
|
|
#include <pwd.h>
|
|
#include <rpc/rpc.h>
|
|
#include <rpc/key_prot.h>
|
|
#include <rpcsvc/yp_prot.h>
|
|
#include <rpcsvc/ypclnt.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include "un-namespace.h"
|
|
|
|
#define PKFILE "/etc/publickey"
|
|
|
|
/*
|
|
* Hack to let ypserv/rpc.nisd use AUTH_DES.
|
|
*/
|
|
int (*__getpublickey_LOCAL)() = 0;
|
|
|
|
/*
|
|
* Get somebody's public key
|
|
*/
|
|
int
|
|
__getpublickey_real(netname, publickey)
|
|
char *netname;
|
|
char *publickey;
|
|
{
|
|
char lookup[3 * HEXKEYBYTES];
|
|
char *p;
|
|
|
|
if (publickey == NULL)
|
|
return (0);
|
|
if (!getpublicandprivatekey(netname, lookup))
|
|
return (0);
|
|
p = strchr(lookup, ':');
|
|
if (p == NULL) {
|
|
return (0);
|
|
}
|
|
*p = '\0';
|
|
(void) strncpy(publickey, lookup, HEXKEYBYTES);
|
|
publickey[HEXKEYBYTES] = '\0';
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* reads the file /etc/publickey looking for a + to optionally go to the
|
|
* yellow pages
|
|
*/
|
|
|
|
int
|
|
getpublicandprivatekey(key, ret)
|
|
char *key;
|
|
char *ret;
|
|
{
|
|
char buf[1024]; /* big enough */
|
|
char *res;
|
|
FILE *fd;
|
|
char *mkey;
|
|
char *mval;
|
|
|
|
fd = fopen(PKFILE, "r");
|
|
if (fd == NULL)
|
|
return (0);
|
|
for (;;) {
|
|
res = fgets(buf, sizeof(buf), fd);
|
|
if (res == NULL) {
|
|
fclose(fd);
|
|
return (0);
|
|
}
|
|
if (res[0] == '#')
|
|
continue;
|
|
else if (res[0] == '+') {
|
|
#ifdef YP
|
|
char *PKMAP = "publickey.byname";
|
|
char *lookup;
|
|
char *domain;
|
|
int err;
|
|
int len;
|
|
|
|
err = yp_get_default_domain(&domain);
|
|
if (err) {
|
|
continue;
|
|
}
|
|
lookup = NULL;
|
|
err = yp_match(domain, PKMAP, key, strlen(key), &lookup, &len);
|
|
if (err) {
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "match failed error %d\n", err);
|
|
#endif
|
|
continue;
|
|
}
|
|
lookup[len] = 0;
|
|
strcpy(ret, lookup);
|
|
fclose(fd);
|
|
free(lookup);
|
|
return (2);
|
|
#else /* YP */
|
|
#ifdef DEBUG
|
|
fprintf(stderr,
|
|
"Bad record in %s '+' -- NIS not supported in this library copy\n", PKFILE);
|
|
#endif /* DEBUG */
|
|
continue;
|
|
#endif /* YP */
|
|
} else {
|
|
mkey = strsep(&res, "\t ");
|
|
if (mkey == NULL) {
|
|
fprintf(stderr,
|
|
"Bad record in %s -- %s", PKFILE, buf);
|
|
continue;
|
|
}
|
|
do {
|
|
mval = strsep(&res, " \t#\n");
|
|
} while (mval != NULL && !*mval);
|
|
if (mval == NULL) {
|
|
fprintf(stderr,
|
|
"Bad record in %s val problem - %s", PKFILE, buf);
|
|
continue;
|
|
}
|
|
if (strcmp(mkey, key) == 0) {
|
|
strcpy(ret, mval);
|
|
fclose(fd);
|
|
return (1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int getpublickey(netname, publickey)
|
|
const char *netname;
|
|
char *publickey;
|
|
{
|
|
if (__getpublickey_LOCAL != NULL)
|
|
return(__getpublickey_LOCAL(netname, publickey));
|
|
else
|
|
return(__getpublickey_real(netname, publickey));
|
|
}
|