2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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4 * media and as a part of the software program in whole or part. Users
5 * may copy or modify Sun RPC without charge, but are not authorized
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14 * Sun RPC is provided with no support and without any obligation on the
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16 * modification or enhancement.
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19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
20 * OR ANY PART THEREOF.
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23 * or profits or other special, indirect and consequential damages, even if
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28 * Mountain View, California 94043
30 * $FreeBSD: src/lib/libc/rpc/getpublickey.c,v 1.9 2006/02/28 16:02:26 deischen Exp $
31 * $DragonFly: src/lib/libc/rpc/getpublickey.c,v 1.3 2005/11/13 12:27:04 swildner Exp $
33 * @(#)publickey.c 1.10 91/03/11 Copyr 1986 Sun Micro
38 * Copyright (C) 1986, Sun Microsystems, Inc.
42 * Public key lookup routines
44 #include "namespace.h"
48 #include <rpc/key_prot.h>
49 #include <rpcsvc/yp_prot.h>
50 #include <rpcsvc/ypclnt.h>
53 #include "un-namespace.h"
55 #define PKFILE "/etc/publickey"
58 * Hack to let ypserv/rpc.nisd use AUTH_DES.
60 int (*__getpublickey_LOCAL)() = 0;
63 * Get somebody's public key
66 __getpublickey_real(const char *netname, char *publickey)
68 char lookup[3 * HEXKEYBYTES];
71 if (publickey == NULL)
73 if (!getpublicandprivatekey(netname, lookup))
75 p = strchr(lookup, ':');
80 strncpy(publickey, lookup, HEXKEYBYTES);
81 publickey[HEXKEYBYTES] = '\0';
86 * reads the file /etc/publickey looking for a + to optionally go to the
91 getpublicandprivatekey(const char *key, char *ret)
93 char buf[1024]; /* big enough */
99 fd = fopen(PKFILE, "r");
103 res = fgets(buf, sizeof(buf), fd);
110 else if (res[0] == '+') {
112 char *PKMAP = "publickey.byname";
118 err = yp_get_default_domain(&domain);
123 err = yp_match(domain, PKMAP, key, strlen(key), &lookup, &len);
126 fprintf(stderr, "match failed error %d\n", err);
138 "Bad record in %s '+' -- NIS not supported in this library copy\n", PKFILE);
143 mkey = strsep(&res, "\t ");
146 "Bad record in %s -- %s", PKFILE, buf);
150 mval = strsep(&res, " \t#\n");
151 } while (mval != NULL && !*mval);
154 "Bad record in %s val problem - %s", PKFILE, buf);
157 if (strcmp(mkey, key) == 0) {
167 getpublickey(const char *netname, char *publickey)
169 if (__getpublickey_LOCAL != NULL)
170 return(__getpublickey_LOCAL(netname, publickey));
172 return(__getpublickey_real(netname, publickey));