147593e96SBill Paul /*
247593e96SBill Paul * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
347593e96SBill Paul * unrestricted use provided that this legend is included on all tape
447593e96SBill Paul * media and as a part of the software program in whole or part. Users
547593e96SBill Paul * may copy or modify Sun RPC without charge, but are not authorized
647593e96SBill Paul * to license or distribute it to anyone else except as part of a product or
747593e96SBill Paul * program developed by the user or with the express written consent of
847593e96SBill Paul * Sun Microsystems, Inc.
947593e96SBill Paul *
1047593e96SBill Paul * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
1147593e96SBill Paul * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
1247593e96SBill Paul * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
1347593e96SBill Paul *
1447593e96SBill Paul * Sun RPC is provided with no support and without any obligation on the
1547593e96SBill Paul * part of Sun Microsystems, Inc. to assist in its use, correction,
1647593e96SBill Paul * modification or enhancement.
1747593e96SBill Paul *
1847593e96SBill Paul * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
1947593e96SBill Paul * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
2047593e96SBill Paul * OR ANY PART THEREOF.
2147593e96SBill Paul *
2247593e96SBill Paul * In no event will Sun Microsystems, Inc. be liable for any lost revenue
2347593e96SBill Paul * or profits or other special, indirect and consequential damages, even if
2447593e96SBill Paul * Sun has been advised of the possibility of such damages.
2547593e96SBill Paul *
2647593e96SBill Paul * Sun Microsystems, Inc.
2747593e96SBill Paul * 2550 Garcia Avenue
2847593e96SBill Paul * Mountain View, California 94043
2947593e96SBill Paul */
30542d87feSMatthew Dillon
31542d87feSMatthew Dillon #include <sys/cdefs.h>
3247593e96SBill Paul
3347593e96SBill Paul /*
3447593e96SBill Paul * secretkey.c
3547593e96SBill Paul * Copyright (C) 1986, Sun Microsystems, Inc.
3647593e96SBill Paul */
3747593e96SBill Paul
3847593e96SBill Paul /*
3947593e96SBill Paul * Secret key lookup routines
4047593e96SBill Paul */
4147593e96SBill Paul #include <stdio.h>
4247593e96SBill Paul #include <pwd.h>
4347593e96SBill Paul #include <rpc/rpc.h>
4447593e96SBill Paul #include <rpc/key_prot.h>
4547593e96SBill Paul #include <rpcsvc/yp_prot.h>
4647593e96SBill Paul #include <rpcsvc/ypclnt.h>
4747593e96SBill Paul #include <string.h>
4847593e96SBill Paul
4969160b1eSDavid E. O'Brien extern int xdecrypt( char *, char * );
5047593e96SBill Paul
5147593e96SBill Paul /*
5247593e96SBill Paul * Get somebody's encrypted secret key from the database, using the given
5347593e96SBill Paul * passwd to decrypt it.
5447593e96SBill Paul */
5547593e96SBill Paul int
getsecretkey(char * netname,char * secretkey,char * passwd)56e0e0f30fSEd Schouten getsecretkey(char *netname, char *secretkey, char *passwd)
5747593e96SBill Paul {
5847593e96SBill Paul char lookup[3 * HEXKEYBYTES];
5947593e96SBill Paul char *p;
6047593e96SBill Paul
6147593e96SBill Paul if (secretkey == NULL)
6247593e96SBill Paul return (0);
6347593e96SBill Paul if (!getpublicandprivatekey(netname, lookup))
6447593e96SBill Paul return (0);
6547593e96SBill Paul p = strchr(lookup, ':');
6647593e96SBill Paul if (p == NULL) {
6747593e96SBill Paul return (0);
6847593e96SBill Paul }
6947593e96SBill Paul p++;
7047593e96SBill Paul if (!xdecrypt(p, passwd)) {
7147593e96SBill Paul return (0);
7247593e96SBill Paul }
7347593e96SBill Paul if (memcmp(p, p + HEXKEYBYTES, KEYCHECKSUMSIZE) != 0) {
7447593e96SBill Paul secretkey[0] = '\0';
7547593e96SBill Paul return (1);
7647593e96SBill Paul }
7747593e96SBill Paul p[HEXKEYBYTES] = '\0';
7847593e96SBill Paul (void) strncpy(secretkey, p, HEXKEYBYTES);
7947593e96SBill Paul secretkey[HEXKEYBYTES] = '\0';
8047593e96SBill Paul return (1);
8147593e96SBill Paul }
82