2 * Copyright (c) 2009, Sun Microsystems, Inc.
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29 #if defined(LIBC_SCCS) && !defined(lint)
30 static char sccsid[] = "@(#)publickey.c 1.10 91/03/11 Copyr 1986 Sun Micro";
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
37 * Copyright (C) 1986, Sun Microsystems, Inc.
41 * Public key lookup routines
43 #include "namespace.h"
47 #include <rpc/key_prot.h>
48 #include <rpcsvc/yp_prot.h>
49 #include <rpcsvc/ypclnt.h>
52 #include "un-namespace.h"
54 #define PKFILE "/etc/publickey"
57 * Hack to let ypserv/rpc.nisd use AUTH_DES.
59 int (*__getpublickey_LOCAL)(const char *, char *) = 0;
62 * Get somebody's public key
65 __getpublickey_real(const char *netname, char *publickey)
67 char lookup[3 * HEXKEYBYTES];
70 if (publickey == NULL)
72 if (!getpublicandprivatekey(netname, lookup))
74 p = strchr(lookup, ':');
79 (void) strncpy(publickey, lookup, HEXKEYBYTES);
80 publickey[HEXKEYBYTES] = '\0';
85 * reads the file /etc/publickey looking for a + to optionally go to the
90 getpublicandprivatekey(const char *key, char *ret)
92 char buf[1024]; /* big enough */
98 fd = fopen(PKFILE, "r");
102 res = fgets(buf, sizeof(buf), fd);
109 else if (res[0] == '+') {
111 char *PKMAP = "publickey.byname";
117 err = yp_get_default_domain(&domain);
122 err = yp_match(domain, PKMAP, key, strlen(key), &lookup, &len);
125 fprintf(stderr, "match failed error %d\n", err);
137 "Bad record in %s '+' -- NIS not supported in this library copy\n", PKFILE);
142 mkey = strsep(&res, "\t ");
145 "Bad record in %s -- %s", PKFILE, buf);
149 mval = strsep(&res, " \t#\n");
150 } while (mval != NULL && !*mval);
153 "Bad record in %s val problem - %s", PKFILE, buf);
156 if (strcmp(mkey, key) == 0) {
165 int getpublickey(const char *netname, char *publickey)
167 if (__getpublickey_LOCAL != NULL)
168 return(__getpublickey_LOCAL(netname, publickey));
170 return(__getpublickey_real(netname, publickey));