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 static char *auth_errmsg(); 48 49 extern char *strcpy(); 50 51 static char *buf; 52 53 static char * 54 _buf() 55 { 56 57 if (buf == 0) 58 buf = (char *)malloc(256); 59 return (buf); 60 } 61 62 /* 63 * Print reply error info 64 */ 65 char * 66 clnt_sperror(rpch, s) 67 CLIENT *rpch; 68 char *s; 69 { 70 struct rpc_err e; 71 void clnt_perrno(); 72 char *err; 73 char *str = _buf(); 74 char *strstart = str; 75 76 if (str == 0) 77 return (0); 78 CLNT_GETERR(rpch, &e); 79 80 (void) sprintf(str, "%s: ", s); 81 str += strlen(str); 82 83 (void) strcpy(str, clnt_sperrno(e.re_status)); 84 str += strlen(str); 85 86 switch (e.re_status) { 87 case RPC_SUCCESS: 88 case RPC_CANTENCODEARGS: 89 case RPC_CANTDECODERES: 90 case RPC_TIMEDOUT: 91 case RPC_PROGUNAVAIL: 92 case RPC_PROCUNAVAIL: 93 case RPC_CANTDECODEARGS: 94 case RPC_SYSTEMERROR: 95 case RPC_UNKNOWNHOST: 96 case RPC_UNKNOWNPROTO: 97 case RPC_PMAPFAILURE: 98 case RPC_PROGNOTREGISTERED: 99 case RPC_FAILED: 100 break; 101 102 case RPC_CANTSEND: 103 case RPC_CANTRECV: 104 (void) sprintf(str, "; errno = %s", 105 sys_errlist[e.re_errno]); 106 str += strlen(str); 107 break; 108 109 case RPC_VERSMISMATCH: 110 (void) sprintf(str, 111 "; low version = %lu, high version = %lu", 112 e.re_vers.low, e.re_vers.high); 113 str += strlen(str); 114 break; 115 116 case RPC_AUTHERROR: 117 err = auth_errmsg(e.re_why); 118 (void) sprintf(str,"; why = "); 119 str += strlen(str); 120 if (err != NULL) { 121 (void) sprintf(str, "%s",err); 122 } else { 123 (void) sprintf(str, 124 "(unknown authentication error - %d)", 125 (int) e.re_why); 126 } 127 str += strlen(str); 128 break; 129 130 case RPC_PROGVERSMISMATCH: 131 (void) sprintf(str, 132 "; low version = %lu, high version = %lu", 133 e.re_vers.low, e.re_vers.high); 134 str += strlen(str); 135 break; 136 137 default: /* unknown */ 138 (void) sprintf(str, 139 "; s1 = %lu, s2 = %lu", 140 e.re_lb.s1, e.re_lb.s2); 141 str += strlen(str); 142 break; 143 } 144 (void) sprintf(str, "\n"); 145 return(strstart) ; 146 } 147 148 void 149 clnt_perror(rpch, s) 150 CLIENT *rpch; 151 char *s; 152 { 153 (void) fprintf(stderr,"%s",clnt_sperror(rpch,s)); 154 } 155 156 157 struct rpc_errtab { 158 enum clnt_stat status; 159 char *message; 160 }; 161 162 static struct rpc_errtab rpc_errlist[] = { 163 { RPC_SUCCESS, 164 "RPC: Success" }, 165 { RPC_CANTENCODEARGS, 166 "RPC: Can't encode arguments" }, 167 { RPC_CANTDECODERES, 168 "RPC: Can't decode result" }, 169 { RPC_CANTSEND, 170 "RPC: Unable to send" }, 171 { RPC_CANTRECV, 172 "RPC: Unable to receive" }, 173 { RPC_TIMEDOUT, 174 "RPC: Timed out" }, 175 { RPC_VERSMISMATCH, 176 "RPC: Incompatible versions of RPC" }, 177 { RPC_AUTHERROR, 178 "RPC: Authentication error" }, 179 { RPC_PROGUNAVAIL, 180 "RPC: Program unavailable" }, 181 { RPC_PROGVERSMISMATCH, 182 "RPC: Program/version mismatch" }, 183 { RPC_PROCUNAVAIL, 184 "RPC: Procedure unavailable" }, 185 { RPC_CANTDECODEARGS, 186 "RPC: Server can't decode arguments" }, 187 { RPC_SYSTEMERROR, 188 "RPC: Remote system error" }, 189 { RPC_UNKNOWNHOST, 190 "RPC: Unknown host" }, 191 { RPC_UNKNOWNPROTO, 192 "RPC: Unknown protocol" }, 193 { RPC_PMAPFAILURE, 194 "RPC: Port mapper failure" }, 195 { RPC_PROGNOTREGISTERED, 196 "RPC: Program not registered"}, 197 { RPC_FAILED, 198 "RPC: Failed (unspecified error)"} 199 }; 200 201 202 /* 203 * This interface for use by clntrpc 204 */ 205 char * 206 clnt_sperrno(stat) 207 enum clnt_stat stat; 208 { 209 int i; 210 211 for (i = 0; i < sizeof(rpc_errlist)/sizeof(struct rpc_errtab); i++) { 212 if (rpc_errlist[i].status == stat) { 213 return (rpc_errlist[i].message); 214 } 215 } 216 return ("RPC: (unknown error code)"); 217 } 218 219 void 220 clnt_perrno(num) 221 enum clnt_stat num; 222 { 223 (void) fprintf(stderr,"%s",clnt_sperrno(num)); 224 } 225 226 227 char * 228 clnt_spcreateerror(s) 229 char *s; 230 { 231 extern int sys_nerr; 232 extern char *sys_errlist[]; 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 sys_errlist[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 } 257 (void) strcat(str, "\n"); 258 return (str); 259 } 260 261 void 262 clnt_pcreateerror(s) 263 char *s; 264 { 265 (void) fprintf(stderr,"%s",clnt_spcreateerror(s)); 266 } 267 268 struct auth_errtab { 269 enum auth_stat status; 270 char *message; 271 }; 272 273 static struct auth_errtab auth_errlist[] = { 274 { AUTH_OK, 275 "Authentication OK" }, 276 { AUTH_BADCRED, 277 "Invalid client credential" }, 278 { AUTH_REJECTEDCRED, 279 "Server rejected credential" }, 280 { AUTH_BADVERF, 281 "Invalid client verifier" }, 282 { AUTH_REJECTEDVERF, 283 "Server rejected verifier" }, 284 { AUTH_TOOWEAK, 285 "Client credential too weak" }, 286 { AUTH_INVALIDRESP, 287 "Invalid server verifier" }, 288 { AUTH_FAILED, 289 "Failed (unspecified error)" }, 290 }; 291 292 static char * 293 auth_errmsg(stat) 294 enum auth_stat stat; 295 { 296 int i; 297 298 for (i = 0; i < sizeof(auth_errlist)/sizeof(struct auth_errtab); i++) { 299 if (auth_errlist[i].status == stat) { 300 return(auth_errlist[i].message); 301 } 302 } 303 return(NULL); 304 } 305