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. 8 * 9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 12 * 13 * Sun RPC is provided with no support and without any obligation on the 14 * part of Sun Microsystems, Inc. to assist in its use, correction, 15 * modification or enhancement. 16 * 17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 19 * OR ANY PART THEREOF. 20 * 21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 22 * or profits or other special, indirect and consequential damages, even if 23 * Sun has been advised of the possibility of such damages. 24 * 25 * Sun Microsystems, Inc. 26 * 2550 Garcia Avenue 27 * Mountain View, California 94043 28 */ 29 30 #if defined(LIBC_SCCS) && !defined(lint) 31 /*static char *sccsid = "from: @(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro";*/ 32 /*static char *sccsid = "from: @(#)clnt_perror.c 2.1 88/07/29 4.0 RPCSRC";*/ 33 static char *rcsid = "$Id: clnt_perror.c,v 1.4 1995/12/10 17:40:18 wpaul Exp $"; 34 #endif 35 36 /* 37 * clnt_perror.c 38 * 39 * Copyright (C) 1984, Sun Microsystems, Inc. 40 * 41 */ 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <rpc/rpc.h> 46 #include <rpc/types.h> 47 #include <rpc/auth.h> 48 #include <rpc/clnt.h> 49 50 static char *auth_errmsg(); 51 52 static char *buf; 53 54 static char * 55 _buf() 56 { 57 58 if (buf == 0) 59 buf = (char *)malloc(256); 60 return (buf); 61 } 62 63 /* 64 * Print reply error info 65 */ 66 char * 67 clnt_sperror(rpch, s) 68 CLIENT *rpch; 69 char *s; 70 { 71 struct rpc_err e; 72 void clnt_perrno(); 73 char *err; 74 char *str = _buf(); 75 char *strstart = str; 76 77 if (str == 0) 78 return (0); 79 CLNT_GETERR(rpch, &e); 80 81 (void) sprintf(str, "%s: ", s); 82 str += strlen(str); 83 84 (void) strcpy(str, clnt_sperrno(e.re_status)); 85 str += strlen(str); 86 87 switch (e.re_status) { 88 case RPC_SUCCESS: 89 case RPC_CANTENCODEARGS: 90 case RPC_CANTDECODERES: 91 case RPC_TIMEDOUT: 92 case RPC_PROGUNAVAIL: 93 case RPC_PROCUNAVAIL: 94 case RPC_CANTDECODEARGS: 95 case RPC_SYSTEMERROR: 96 case RPC_UNKNOWNHOST: 97 case RPC_UNKNOWNPROTO: 98 case RPC_PMAPFAILURE: 99 case RPC_PROGNOTREGISTERED: 100 case RPC_FAILED: 101 break; 102 103 case RPC_CANTSEND: 104 case RPC_CANTRECV: 105 (void) sprintf(str, "; errno = %s", 106 strerror(e.re_errno)); 107 str += strlen(str); 108 break; 109 110 case RPC_VERSMISMATCH: 111 (void) sprintf(str, 112 "; low version = %lu, high version = %lu", 113 e.re_vers.low, e.re_vers.high); 114 str += strlen(str); 115 break; 116 117 case RPC_AUTHERROR: 118 err = auth_errmsg(e.re_why); 119 (void) sprintf(str,"; why = "); 120 str += strlen(str); 121 if (err != NULL) { 122 (void) sprintf(str, "%s",err); 123 } else { 124 (void) sprintf(str, 125 "(unknown authentication error - %d)", 126 (int) e.re_why); 127 } 128 str += strlen(str); 129 break; 130 131 case RPC_PROGVERSMISMATCH: 132 (void) sprintf(str, 133 "; low version = %lu, high version = %lu", 134 e.re_vers.low, e.re_vers.high); 135 str += strlen(str); 136 break; 137 138 default: /* unknown */ 139 (void) sprintf(str, 140 "; s1 = %lu, s2 = %lu", 141 e.re_lb.s1, e.re_lb.s2); 142 str += strlen(str); 143 break; 144 } 145 (void) sprintf(str, "\n"); 146 return(strstart) ; 147 } 148 149 void 150 clnt_perror(rpch, s) 151 CLIENT *rpch; 152 char *s; 153 { 154 (void) fprintf(stderr,"%s\n",clnt_sperror(rpch,s)); 155 } 156 157 158 struct rpc_errtab { 159 enum clnt_stat status; 160 char *message; 161 }; 162 163 static struct rpc_errtab rpc_errlist[] = { 164 { RPC_SUCCESS, 165 "RPC: Success" }, 166 { RPC_CANTENCODEARGS, 167 "RPC: Can't encode arguments" }, 168 { RPC_CANTDECODERES, 169 "RPC: Can't decode result" }, 170 { RPC_CANTSEND, 171 "RPC: Unable to send" }, 172 { RPC_CANTRECV, 173 "RPC: Unable to receive" }, 174 { RPC_TIMEDOUT, 175 "RPC: Timed out" }, 176 { RPC_VERSMISMATCH, 177 "RPC: Incompatible versions of RPC" }, 178 { RPC_AUTHERROR, 179 "RPC: Authentication error" }, 180 { RPC_PROGUNAVAIL, 181 "RPC: Program unavailable" }, 182 { RPC_PROGVERSMISMATCH, 183 "RPC: Program/version mismatch" }, 184 { RPC_PROCUNAVAIL, 185 "RPC: Procedure unavailable" }, 186 { RPC_CANTDECODEARGS, 187 "RPC: Server can't decode arguments" }, 188 { RPC_SYSTEMERROR, 189 "RPC: Remote system error" }, 190 { RPC_UNKNOWNHOST, 191 "RPC: Unknown host" }, 192 { RPC_UNKNOWNPROTO, 193 "RPC: Unknown protocol" }, 194 { RPC_PMAPFAILURE, 195 "RPC: Port mapper failure" }, 196 { RPC_PROGNOTREGISTERED, 197 "RPC: Program not registered"}, 198 { RPC_FAILED, 199 "RPC: Failed (unspecified error)"} 200 }; 201 202 203 /* 204 * This interface for use by clntrpc 205 */ 206 char * 207 clnt_sperrno(stat) 208 enum clnt_stat stat; 209 { 210 int i; 211 212 for (i = 0; i < sizeof(rpc_errlist)/sizeof(struct rpc_errtab); i++) { 213 if (rpc_errlist[i].status == stat) { 214 return (rpc_errlist[i].message); 215 } 216 } 217 return ("RPC: (unknown error code)"); 218 } 219 220 void 221 clnt_perrno(num) 222 enum clnt_stat num; 223 { 224 (void) fprintf(stderr,"%s\n",clnt_sperrno(num)); 225 } 226 227 228 char * 229 clnt_spcreateerror(s) 230 char *s; 231 { 232 extern int sys_nerr; 233 char *str = _buf(); 234 235 if (str == 0) 236 return(0); 237 (void) sprintf(str, "%s: ", s); 238 (void) strcat(str, clnt_sperrno(rpc_createerr.cf_stat)); 239 switch (rpc_createerr.cf_stat) { 240 case RPC_PMAPFAILURE: 241 (void) strcat(str, " - "); 242 (void) strcat(str, 243 clnt_sperrno(rpc_createerr.cf_error.re_status)); 244 break; 245 246 case RPC_SYSTEMERROR: 247 (void) strcat(str, " - "); 248 if (rpc_createerr.cf_error.re_errno > 0 249 && rpc_createerr.cf_error.re_errno < sys_nerr) 250 (void) strcat(str, 251 strerror(rpc_createerr.cf_error.re_errno)); 252 else 253 (void) sprintf(&str[strlen(str)], "Error %d", 254 rpc_createerr.cf_error.re_errno); 255 break; 256 default: 257 break; 258 } 259 (void) strcat(str, "\n"); 260 return (str); 261 } 262 263 void 264 clnt_pcreateerror(s) 265 char *s; 266 { 267 (void) fprintf(stderr,"%s\n",clnt_spcreateerror(s)); 268 } 269 270 struct auth_errtab { 271 enum auth_stat status; 272 char *message; 273 }; 274 275 static struct auth_errtab auth_errlist[] = { 276 { AUTH_OK, 277 "Authentication OK" }, 278 { AUTH_BADCRED, 279 "Invalid client credential" }, 280 { AUTH_REJECTEDCRED, 281 "Server rejected credential" }, 282 { AUTH_BADVERF, 283 "Invalid client verifier" }, 284 { AUTH_REJECTEDVERF, 285 "Server rejected verifier" }, 286 { AUTH_TOOWEAK, 287 "Client credential too weak" }, 288 { AUTH_INVALIDRESP, 289 "Invalid server verifier" }, 290 { AUTH_FAILED, 291 "Failed (unspecified error)" }, 292 }; 293 294 static char * 295 auth_errmsg(stat) 296 enum auth_stat stat; 297 { 298 int i; 299 300 for (i = 0; i < sizeof(auth_errlist)/sizeof(struct auth_errtab); i++) { 301 if (auth_errlist[i].status == stat) { 302 return(auth_errlist[i].message); 303 } 304 } 305 return(NULL); 306 } 307