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28 * $FreeBSD: src/lib/libc/rpc/getpublickey.c,v 1.9 2006/02/28 16:02:26 deischen Exp $
30 * @(#)publickey.c 1.10 91/03/11 Copyr 1986 Sun Micro
35 * Copyright (C) 1986, Sun Microsystems, Inc.
39 * Public key lookup routines
41 #include "namespace.h"
45 #include <rpc/key_prot.h>
46 #include <rpcsvc/yp_prot.h>
47 #include <rpcsvc/ypclnt.h>
50 #include "un-namespace.h"
52 #define PKFILE "/etc/publickey"
55 * Hack to let ypserv/rpc.nisd use AUTH_DES.
57 int (*__getpublickey_LOCAL)(const char *, char *) = NULL;
60 * Get somebody's public key
63 __getpublickey_real(const char *netname, char *publickey)
65 char lookup[3 * HEXKEYBYTES];
68 if (publickey == NULL)
70 if (!getpublicandprivatekey(netname, lookup))
72 p = strchr(lookup, ':');
77 strncpy(publickey, lookup, HEXKEYBYTES);
78 publickey[HEXKEYBYTES] = '\0';
83 * reads the file /etc/publickey looking for a + to optionally go to the
88 getpublicandprivatekey(const char *key, char *ret)
90 char buf[1024]; /* big enough */
96 fd = fopen(PKFILE, "r");
100 res = fgets(buf, sizeof(buf), fd);
107 else if (res[0] == '+') {
109 char *PKMAP = "publickey.byname";
115 err = yp_get_default_domain(&domain);
120 err = yp_match(domain, PKMAP, key, strlen(key), &lookup, &len);
123 fprintf(stderr, "match failed error %d\n", err);
135 "Bad record in %s '+' -- NIS not supported in this library copy\n", PKFILE);
140 mkey = strsep(&res, "\t ");
143 "Bad record in %s -- %s", PKFILE, buf);
147 mval = strsep(&res, " \t#\n");
148 } while (mval != NULL && !*mval);
151 "Bad record in %s val problem - %s", PKFILE, buf);
154 if (strcmp(mkey, key) == 0) {
164 getpublickey(const char *netname, char *publickey)
166 if (__getpublickey_LOCAL != NULL)
167 return(__getpublickey_LOCAL(netname, publickey));
169 return(__getpublickey_real(netname, publickey));