1 /* @(#)clnt_perror.c 2.1 88/07/29 4.0 RPCSRC */ 2 /* 3 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 4 * unrestricted use provided that this legend is included on all tape 5 * media and as a part of the software program in whole or part. Users 6 * may copy or modify Sun RPC without charge, but are not authorized 7 * to license or distribute it to anyone else except as part of a product or 8 * program developed by the user. 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 #if !defined(lint) && defined(SCCSIDS) 31 static char sccsid[] = "@(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro"; 32 #endif 33 34 /* 35 * clnt_perror.c 36 * 37 * Copyright (C) 1984, Sun Microsystems, Inc. 38 * 39 */ 40 #include <stdio.h> 41 42 #include <rpc/types.h> 43 #include <rpc/auth.h> 44 #include <rpc/clnt.h> 45 46 extern char *sys_errlist[]; 47 extern char *sprintf(); 48 static char *auth_errmsg(); 49 50 extern char *strcpy(); 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 sys_errlist[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",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",clnt_sperrno(num)); 225 } 226 227 228 char * 229 clnt_spcreateerror(s) 230 char *s; 231 { 232 extern int sys_nerr; 233 extern char *sys_errlist[]; 234 char *str = _buf(); 235 236 if (str == 0) 237 return(0); 238 (void) sprintf(str, "%s: ", s); 239 (void) strcat(str, clnt_sperrno(rpc_createerr.cf_stat)); 240 switch (rpc_createerr.cf_stat) { 241 case RPC_PMAPFAILURE: 242 (void) strcat(str, " - "); 243 (void) strcat(str, 244 clnt_sperrno(rpc_createerr.cf_error.re_status)); 245 break; 246 247 case RPC_SYSTEMERROR: 248 (void) strcat(str, " - "); 249 if (rpc_createerr.cf_error.re_errno > 0 250 && rpc_createerr.cf_error.re_errno < sys_nerr) 251 (void) strcat(str, 252 sys_errlist[rpc_createerr.cf_error.re_errno]); 253 else 254 (void) sprintf(&str[strlen(str)], "Error %d", 255 rpc_createerr.cf_error.re_errno); 256 break; 257 } 258 (void) strcat(str, "\n"); 259 return (str); 260 } 261 262 void 263 clnt_pcreateerror(s) 264 char *s; 265 { 266 (void) fprintf(stderr,"%s",clnt_spcreateerror(s)); 267 } 268 269 struct auth_errtab { 270 enum auth_stat status; 271 char *message; 272 }; 273 274 static struct auth_errtab auth_errlist[] = { 275 { AUTH_OK, 276 "Authentication OK" }, 277 { AUTH_BADCRED, 278 "Invalid client credential" }, 279 { AUTH_REJECTEDCRED, 280 "Server rejected credential" }, 281 { AUTH_BADVERF, 282 "Invalid client verifier" }, 283 { AUTH_REJECTEDVERF, 284 "Server rejected verifier" }, 285 { AUTH_TOOWEAK, 286 "Client credential too weak" }, 287 { AUTH_INVALIDRESP, 288 "Invalid server verifier" }, 289 { AUTH_FAILED, 290 "Failed (unspecified error)" }, 291 }; 292 293 static char * 294 auth_errmsg(stat) 295 enum auth_stat stat; 296 { 297 int i; 298 299 for (i = 0; i < sizeof(auth_errlist)/sizeof(struct auth_errtab); i++) { 300 if (auth_errlist[i].status == stat) { 301 return(auth_errlist[i].message); 302 } 303 } 304 return(NULL); 305 } 306