1 /* 2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 3 * unrestricted use provided that this legend is included on all tape 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 6 * to license or distribute it to anyone else except as part of a product or 7 * program developed by the user or with the express written consent of 8 * Sun Microsystems, Inc. 9 * 10 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 11 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 12 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 13 * 14 * Sun RPC is provided with no support and without any obligation on the 15 * part of Sun Microsystems, Inc. to assist in its use, correction, 16 * modification or enhancement. 17 * 18 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 20 * OR ANY PART THEREOF. 21 * 22 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 23 * or profits or other special, indirect and consequential damages, even if 24 * Sun has been advised of the possibility of such damages. 25 * 26 * Sun Microsystems, Inc. 27 * 2550 Garcia Avenue 28 * Mountain View, California 94043 29 * 30 * @(#)secretkey.c 1.8 91/03/11 Copyr 1986 Sun Micro 31 * $DragonFly: src/lib/librpcsvc/secretkey.c,v 1.4 2003/11/12 20:21:31 eirikn Exp $ 32 */ 33 34 /* 35 * secretkey.c 36 * Copyright (C) 1986, Sun Microsystems, Inc. 37 */ 38 39 /* 40 * Secret key lookup routines 41 */ 42 #include <stdio.h> 43 #include <pwd.h> 44 #include <rpc/rpc.h> 45 #include <rpc/key_prot.h> 46 #include <rpcsvc/yp_prot.h> 47 #include <rpcsvc/ypclnt.h> 48 #include <string.h> 49 50 extern int xdecrypt ( char *, char * ); 51 52 /* 53 * Get somebody's encrypted secret key from the database, using the given 54 * passwd to decrypt it. 55 */ 56 int 57 getsecretkey(netname, secretkey, passwd) 58 char *netname; 59 char *secretkey; 60 char *passwd; 61 { 62 char lookup[3 * HEXKEYBYTES]; 63 char *p; 64 65 if (secretkey == NULL) 66 return (0); 67 if (!getpublicandprivatekey(netname, lookup)) 68 return (0); 69 p = strchr(lookup, ':'); 70 if (p == NULL) { 71 return (0); 72 } 73 p++; 74 if (!xdecrypt(p, passwd)) { 75 return (0); 76 } 77 if (memcmp(p, p + HEXKEYBYTES, KEYCHECKSUMSIZE) != 0) { 78 secretkey[0] = '\0'; 79 return (1); 80 } 81 p[HEXKEYBYTES] = '\0'; 82 (void) strncpy(secretkey, p, HEXKEYBYTES); 83 secretkey[HEXKEYBYTES] = '\0'; 84 return (1); 85 } 86