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 static char *auth_errmsg(); 47 48 extern char *strcpy(); 49 50 static char *buf; 51 52 static char * 53 _buf() 54 { 55 56 if (buf == 0) 57 buf = (char *)malloc(256); 58 return (buf); 59 } 60 61 /* 62 * Print reply error info 63 */ 64 char * 65 clnt_sperror(rpch, s) 66 CLIENT *rpch; 67 char *s; 68 { 69 struct rpc_err e; 70 void clnt_perrno(); 71 char *err; 72 char *str = _buf(); 73 char *strstart = str; 74 75 if (str == 0) 76 return (0); 77 CLNT_GETERR(rpch, &e); 78 79 (void) sprintf(str, "%s: ", s); 80 str += strlen(str); 81 82 (void) strcpy(str, clnt_sperrno(e.re_status)); 83 str += strlen(str); 84 85 switch (e.re_status) { 86 case RPC_SUCCESS: 87 case RPC_CANTENCODEARGS: 88 case RPC_CANTDECODERES: 89 case RPC_TIMEDOUT: 90 case RPC_PROGUNAVAIL: 91 case RPC_PROCUNAVAIL: 92 case RPC_CANTDECODEARGS: 93 case RPC_SYSTEMERROR: 94 case RPC_UNKNOWNHOST: 95 case RPC_UNKNOWNPROTO: 96 case RPC_PMAPFAILURE: 97 case RPC_PROGNOTREGISTERED: 98 case RPC_FAILED: 99 break; 100 101 case RPC_CANTSEND: 102 case RPC_CANTRECV: 103 (void) sprintf(str, "; errno = %s", 104 strerror(e.re_errno)); 105 str += strlen(str); 106 break; 107 108 case RPC_VERSMISMATCH: 109 (void) sprintf(str, 110 "; low version = %lu, high version = %lu", 111 e.re_vers.low, e.re_vers.high); 112 str += strlen(str); 113 break; 114 115 case RPC_AUTHERROR: 116 err = auth_errmsg(e.re_why); 117 (void) sprintf(str,"; why = "); 118 str += strlen(str); 119 if (err != NULL) { 120 (void) sprintf(str, "%s",err); 121 } else { 122 (void) sprintf(str, 123 "(unknown authentication error - %d)", 124 (int) e.re_why); 125 } 126 str += strlen(str); 127 break; 128 129 case RPC_PROGVERSMISMATCH: 130 (void) sprintf(str, 131 "; low version = %lu, high version = %lu", 132 e.re_vers.low, e.re_vers.high); 133 str += strlen(str); 134 break; 135 136 default: /* unknown */ 137 (void) sprintf(str, 138 "; s1 = %lu, s2 = %lu", 139 e.re_lb.s1, e.re_lb.s2); 140 str += strlen(str); 141 break; 142 } 143 (void) sprintf(str, "\n"); 144 return(strstart) ; 145 } 146 147 void 148 clnt_perror(rpch, s) 149 CLIENT *rpch; 150 char *s; 151 { 152 (void) fprintf(stderr,"%s",clnt_sperror(rpch,s)); 153 } 154 155 156 struct rpc_errtab { 157 enum clnt_stat status; 158 char *message; 159 }; 160 161 static struct rpc_errtab rpc_errlist[] = { 162 { RPC_SUCCESS, 163 "RPC: Success" }, 164 { RPC_CANTENCODEARGS, 165 "RPC: Can't encode arguments" }, 166 { RPC_CANTDECODERES, 167 "RPC: Can't decode result" }, 168 { RPC_CANTSEND, 169 "RPC: Unable to send" }, 170 { RPC_CANTRECV, 171 "RPC: Unable to receive" }, 172 { RPC_TIMEDOUT, 173 "RPC: Timed out" }, 174 { RPC_VERSMISMATCH, 175 "RPC: Incompatible versions of RPC" }, 176 { RPC_AUTHERROR, 177 "RPC: Authentication error" }, 178 { RPC_PROGUNAVAIL, 179 "RPC: Program unavailable" }, 180 { RPC_PROGVERSMISMATCH, 181 "RPC: Program/version mismatch" }, 182 { RPC_PROCUNAVAIL, 183 "RPC: Procedure unavailable" }, 184 { RPC_CANTDECODEARGS, 185 "RPC: Server can't decode arguments" }, 186 { RPC_SYSTEMERROR, 187 "RPC: Remote system error" }, 188 { RPC_UNKNOWNHOST, 189 "RPC: Unknown host" }, 190 { RPC_UNKNOWNPROTO, 191 "RPC: Unknown protocol" }, 192 { RPC_PMAPFAILURE, 193 "RPC: Port mapper failure" }, 194 { RPC_PROGNOTREGISTERED, 195 "RPC: Program not registered"}, 196 { RPC_FAILED, 197 "RPC: Failed (unspecified error)"} 198 }; 199 200 201 /* 202 * This interface for use by clntrpc 203 */ 204 char * 205 clnt_sperrno(stat) 206 enum clnt_stat stat; 207 { 208 int i; 209 210 for (i = 0; i < sizeof(rpc_errlist)/sizeof(struct rpc_errtab); i++) { 211 if (rpc_errlist[i].status == stat) { 212 return (rpc_errlist[i].message); 213 } 214 } 215 return ("RPC: (unknown error code)"); 216 } 217 218 void 219 clnt_perrno(num) 220 enum clnt_stat num; 221 { 222 (void) fprintf(stderr,"%s",clnt_sperrno(num)); 223 } 224 225 226 char * 227 clnt_spcreateerror(s) 228 char *s; 229 { 230 extern int sys_nerr; 231 char *str = _buf(); 232 233 if (str == 0) 234 return(0); 235 (void) sprintf(str, "%s: ", s); 236 (void) strcat(str, clnt_sperrno(rpc_createerr.cf_stat)); 237 switch (rpc_createerr.cf_stat) { 238 case RPC_PMAPFAILURE: 239 (void) strcat(str, " - "); 240 (void) strcat(str, 241 clnt_sperrno(rpc_createerr.cf_error.re_status)); 242 break; 243 244 case RPC_SYSTEMERROR: 245 (void) strcat(str, " - "); 246 if (rpc_createerr.cf_error.re_errno > 0 247 && rpc_createerr.cf_error.re_errno < sys_nerr) 248 (void) strcat(str, 249 strerror(rpc_createerr.cf_error.re_errno)); 250 else 251 (void) sprintf(&str[strlen(str)], "Error %d", 252 rpc_createerr.cf_error.re_errno); 253 break; 254 } 255 (void) strcat(str, "\n"); 256 return (str); 257 } 258 259 void 260 clnt_pcreateerror(s) 261 char *s; 262 { 263 (void) fprintf(stderr,"%s",clnt_spcreateerror(s)); 264 } 265 266 struct auth_errtab { 267 enum auth_stat status; 268 char *message; 269 }; 270 271 static struct auth_errtab auth_errlist[] = { 272 { AUTH_OK, 273 "Authentication OK" }, 274 { AUTH_BADCRED, 275 "Invalid client credential" }, 276 { AUTH_REJECTEDCRED, 277 "Server rejected credential" }, 278 { AUTH_BADVERF, 279 "Invalid client verifier" }, 280 { AUTH_REJECTEDVERF, 281 "Server rejected verifier" }, 282 { AUTH_TOOWEAK, 283 "Client credential too weak" }, 284 { AUTH_INVALIDRESP, 285 "Invalid server verifier" }, 286 { AUTH_FAILED, 287 "Failed (unspecified error)" }, 288 }; 289 290 static char * 291 auth_errmsg(stat) 292 enum auth_stat stat; 293 { 294 int i; 295 296 for (i = 0; i < sizeof(auth_errlist)/sizeof(struct auth_errtab); i++) { 297 if (auth_errlist[i].status == stat) { 298 return(auth_errlist[i].message); 299 } 300 } 301 return(NULL); 302 } 303