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 1.1 1993/10/27 05:40:20 paul 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 <string.h> 44 #include <rpc/rpc.h> 45 #include <rpc/types.h> 46 #include <rpc/auth.h> 47 #include <rpc/clnt.h> 48 49 static char *auth_errmsg(); 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 strerror(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 char *str = _buf(); 233 234 if (str == 0) 235 return(0); 236 (void) sprintf(str, "%s: ", s); 237 (void) strcat(str, clnt_sperrno(rpc_createerr.cf_stat)); 238 switch (rpc_createerr.cf_stat) { 239 case RPC_PMAPFAILURE: 240 (void) strcat(str, " - "); 241 (void) strcat(str, 242 clnt_sperrno(rpc_createerr.cf_error.re_status)); 243 break; 244 245 case RPC_SYSTEMERROR: 246 (void) strcat(str, " - "); 247 if (rpc_createerr.cf_error.re_errno > 0 248 && rpc_createerr.cf_error.re_errno < sys_nerr) 249 (void) strcat(str, 250 strerror(rpc_createerr.cf_error.re_errno)); 251 else 252 (void) sprintf(&str[strlen(str)], "Error %d", 253 rpc_createerr.cf_error.re_errno); 254 break; 255 } 256 (void) strcat(str, "\n"); 257 return (str); 258 } 259 260 void 261 clnt_pcreateerror(s) 262 char *s; 263 { 264 (void) fprintf(stderr,"%s",clnt_spcreateerror(s)); 265 } 266 267 struct auth_errtab { 268 enum auth_stat status; 269 char *message; 270 }; 271 272 static struct auth_errtab auth_errlist[] = { 273 { AUTH_OK, 274 "Authentication OK" }, 275 { AUTH_BADCRED, 276 "Invalid client credential" }, 277 { AUTH_REJECTEDCRED, 278 "Server rejected credential" }, 279 { AUTH_BADVERF, 280 "Invalid client verifier" }, 281 { AUTH_REJECTEDVERF, 282 "Server rejected verifier" }, 283 { AUTH_TOOWEAK, 284 "Client credential too weak" }, 285 { AUTH_INVALIDRESP, 286 "Invalid server verifier" }, 287 { AUTH_FAILED, 288 "Failed (unspecified error)" }, 289 }; 290 291 static char * 292 auth_errmsg(stat) 293 enum auth_stat stat; 294 { 295 int i; 296 297 for (i = 0; i < sizeof(auth_errlist)/sizeof(struct auth_errtab); i++) { 298 if (auth_errlist[i].status == stat) { 299 return(auth_errlist[i].message); 300 } 301 } 302 return(NULL); 303 } 304