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, MERCHANTABILITY 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 * @(#)newkey.c 1.8 91/03/11 Copyr 1986 Sun Micro 31 * $FreeBSD: src/usr.bin/newkey/newkey.c,v 1.3 1999/08/28 01:04:34 peter Exp $ 32 */ 33 34 /* 35 * Copyright (C) 1986, Sun Microsystems, Inc. 36 */ 37 38 /* 39 * Administrative tool to add a new user to the publickey database 40 */ 41 #include <sys/types.h> 42 #include <sys/time.h> 43 #include <sys/resource.h> 44 #include <err.h> 45 #include <pwd.h> 46 #include <unistd.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 51 #include <rpc/rpc.h> 52 #include <rpc/key_prot.h> 53 #ifdef YP 54 #include <rpcsvc/yp_prot.h> 55 #include <rpcsvc/ypclnt.h> 56 #include <sys/wait.h> 57 #include <netdb.h> 58 #endif /* YP */ 59 60 #include "externs.h" 61 62 #ifdef YP 63 #define MAXMAPNAMELEN 256 64 #else 65 #define YPOP_CHANGE 1 /* change, do not add */ 66 #define YPOP_INSERT 2 /* add, do not change */ 67 #define YPOP_DELETE 3 /* delete this entry */ 68 #define YPOP_STORE 4 /* add, or change */ 69 #define ERR_ACCESS 1 70 #define ERR_MALLOC 2 71 #define ERR_READ 3 72 #define ERR_WRITE 4 73 #define ERR_DBASE 5 74 #define ERR_KEY 6 75 #endif 76 77 #ifdef YP 78 static char YPDBPATH[]="/var/yp"; 79 static char PKMAP[] = "publickey.byname"; 80 #else 81 static char PKFILE[] = "/etc/publickey"; 82 static const char *err_string(int); 83 #endif /* YP */ 84 85 static int setpublicmap(char *, char *, char *); 86 static void usage(void); 87 88 int 89 main(int argc, char **argv) 90 { 91 char name[MAXNETNAMELEN + 1]; 92 char public[HEXKEYBYTES + 1]; 93 char secret[HEXKEYBYTES + 1]; 94 char crypt1[HEXKEYBYTES + KEYCHECKSUMSIZE + 1]; 95 char crypt2[HEXKEYBYTES + KEYCHECKSUMSIZE + 1]; 96 int status; 97 char *pass; 98 struct passwd *pw; 99 #ifdef undef 100 struct hostent *h; 101 #endif 102 103 if (argc != 3 || !(strcmp(argv[1], "-u") == 0 || 104 strcmp(argv[1], "-h") == 0)) { 105 usage(); 106 } 107 if (geteuid() != 0) 108 errx(1, "must be superuser"); 109 110 #ifdef YP 111 if (chdir(YPDBPATH) < 0) 112 warn("cannot chdir to %s", YPDBPATH); 113 #endif /* YP */ 114 if (strcmp(argv[1], "-u") == 0) { 115 pw = getpwnam(argv[2]); 116 if (pw == NULL) 117 errx(1, "unknown user: %s", argv[2]); 118 (void)user2netname(name, (int)pw->pw_uid, NULL); 119 } else { 120 #ifdef undef 121 h = gethostbyname(argv[2]); 122 if (h == NULL) 123 errx(1, "unknown host: %s", argv[1]); 124 (void)host2netname(name, h->h_name, NULL); 125 #else 126 (void)host2netname(name, argv[2], NULL); 127 #endif 128 } 129 130 (void)printf("Adding new key for %s.\n", name); 131 pass = getpass("New password:"); 132 genkeys(public, secret, pass); 133 134 memcpy(crypt1, secret, HEXKEYBYTES); 135 memcpy(crypt1 + HEXKEYBYTES, secret, KEYCHECKSUMSIZE); 136 crypt1[HEXKEYBYTES + KEYCHECKSUMSIZE] = 0; 137 xencrypt(crypt1, pass); 138 139 memcpy(crypt2, crypt1, HEXKEYBYTES + KEYCHECKSUMSIZE + 1); 140 xdecrypt(crypt2, getpass("Retype password:")); 141 if (memcmp(crypt2, crypt2 + HEXKEYBYTES, KEYCHECKSUMSIZE) != 0 || 142 memcmp(crypt2, secret, HEXKEYBYTES) != 0) 143 errx(1, "password incorrect"); 144 145 #ifdef YP 146 (void)printf("Please wait for the database to get updated...\n"); 147 #endif 148 if ((status = setpublicmap(name, public, crypt1))) { 149 #ifdef YP 150 errx(1, "unable to update NIS database (%u): %s", 151 status, yperr_string(status)); 152 #else 153 errx(1, "unable to update publickey database (%u): %s", 154 status, err_string(status)); 155 #endif 156 } 157 (void)printf("Your new key has been successfully stored away.\n"); 158 exit(0); 159 /* NOTREACHED */ 160 } 161 162 static void 163 usage(void) 164 { 165 (void)fprintf(stderr, "%s\n%s\n", 166 "usage: newkey [-u username]", 167 " newkey [-h hostname]"); 168 exit(1); 169 } 170 171 /* 172 * Set the entry in the public key file 173 */ 174 static int 175 setpublicmap(char *name, char *public, char *secret) 176 { 177 char pkent[1024]; 178 179 (void)sprintf(pkent, "%s:%s", public, secret); 180 #ifdef YP 181 return (mapupdate(name, PKMAP, YPOP_STORE, 182 strlen(name), name, strlen(pkent), pkent)); 183 #else 184 return (localupdate(name, PKFILE, YPOP_STORE, name, pkent)); 185 #endif 186 } 187 188 #ifndef YP 189 /* 190 * This returns a pointer to an error message string appropriate 191 * to an input error code. An input value of zero will return 192 * a success message. 193 */ 194 static const char * 195 err_string(int code) 196 { 197 const char *pmesg; 198 199 switch (code) { 200 case 0: 201 pmesg = "update operation succeeded"; 202 break; 203 case ERR_KEY: 204 pmesg = "no such key in file"; 205 break; 206 case ERR_READ: 207 pmesg = "cannot read the database"; 208 break; 209 case ERR_WRITE: 210 pmesg = "cannot write to the database"; 211 break; 212 case ERR_DBASE: 213 pmesg = "cannot update database"; 214 break; 215 case ERR_ACCESS: 216 pmesg = "permission denied"; 217 break; 218 case ERR_MALLOC: 219 pmesg = "malloc failed"; 220 break; 221 default: 222 pmesg = "unknown error"; 223 break; 224 } 225 return (pmesg); 226 } 227 #endif 228