clnt_perror.c revision 1.20
1/* $NetBSD: clnt_perror.c,v 1.20 1999/09/20 04:39:20 lukem Exp $ */ 2 3/* 4 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 5 * unrestricted use provided that this legend is included on all tape 6 * media and as a part of the software program in whole or part. Users 7 * may copy or modify Sun RPC without charge, but are not authorized 8 * to license or distribute it to anyone else except as part of a product or 9 * program developed by the user. 10 * 11 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 12 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 13 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 14 * 15 * Sun RPC is provided with no support and without any obligation on the 16 * part of Sun Microsystems, Inc. to assist in its use, correction, 17 * modification or enhancement. 18 * 19 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 20 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 21 * OR ANY PART THEREOF. 22 * 23 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 24 * or profits or other special, indirect and consequential damages, even if 25 * Sun has been advised of the possibility of such damages. 26 * 27 * Sun Microsystems, Inc. 28 * 2550 Garcia Avenue 29 * Mountain View, California 94043 30 */ 31 32#include <sys/cdefs.h> 33#if defined(LIBC_SCCS) && !defined(lint) 34#if 0 35static char *sccsid = "@(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro"; 36static char *sccsid = "@(#)clnt_perror.c 2.1 88/07/29 4.0 RPCSRC"; 37#else 38__RCSID("$NetBSD: clnt_perror.c,v 1.20 1999/09/20 04:39:20 lukem Exp $"); 39#endif 40#endif 41 42/* 43 * clnt_perror.c 44 * 45 * Copyright (C) 1984, Sun Microsystems, Inc. 46 * 47 */ 48#include "namespace.h" 49 50#include <assert.h> 51#include <stdio.h> 52#include <stdlib.h> 53#include <string.h> 54 55#include <rpc/rpc.h> 56#include <rpc/types.h> 57#include <rpc/auth.h> 58#include <rpc/clnt.h> 59 60#ifdef __weak_alias 61__weak_alias(clnt_pcreateerror,_clnt_pcreateerror); 62__weak_alias(clnt_perrno,_clnt_perrno); 63__weak_alias(clnt_perror,_clnt_perror); 64__weak_alias(clnt_spcreateerror,_clnt_spcreateerror); 65__weak_alias(clnt_sperrno,_clnt_sperrno); 66__weak_alias(clnt_sperror,_clnt_sperror); 67#endif 68 69static char *buf; 70static size_t buflen; 71 72static char *_buf __P((void)); 73static char *auth_errmsg __P((enum auth_stat)); 74 75static char * 76_buf() 77{ 78 79 buflen = 256; 80 if (buf == 0) 81 buf = (char *)malloc(buflen); 82 return (buf); 83} 84 85/* 86 * Print reply error info 87 */ 88char * 89clnt_sperror(rpch, s) 90 CLIENT *rpch; 91 char *s; 92{ 93 struct rpc_err e; 94 char *err; 95 char *str; 96 char *strstart = str; 97 size_t len = buflen, i; 98 99 _DIAGASSERT(rpch != NULL); 100 _DIAGASSERT(s != NULL); 101 102 str = _buf(); 103 if (str == 0) 104 return (0); 105 CLNT_GETERR(rpch, &e); 106 107 i = snprintf(str, len, "%s: ", s); 108 str += i; 109 len -= i; 110 111 (void)strncpy(str, clnt_sperrno(e.re_status), len - 1); 112 i = strlen(str); 113 str += i; 114 len -= i; 115 116 switch (e.re_status) { 117 case RPC_SUCCESS: 118 case RPC_CANTENCODEARGS: 119 case RPC_CANTDECODERES: 120 case RPC_TIMEDOUT: 121 case RPC_PROGUNAVAIL: 122 case RPC_PROCUNAVAIL: 123 case RPC_CANTDECODEARGS: 124 case RPC_SYSTEMERROR: 125 case RPC_UNKNOWNHOST: 126 case RPC_UNKNOWNPROTO: 127 case RPC_PMAPFAILURE: 128 case RPC_PROGNOTREGISTERED: 129 case RPC_FAILED: 130 break; 131 132 case RPC_CANTSEND: 133 case RPC_CANTRECV: 134 i = snprintf(str, len, "; errno = %s", strerror(e.re_errno)); 135 str += i; 136 len -= i; 137 break; 138 139 case RPC_VERSMISMATCH: 140 i = snprintf(str, len, "; low version = %u, high version = %u", 141 e.re_vers.low, e.re_vers.high); 142 str += i; 143 len -= i; 144 break; 145 146 case RPC_AUTHERROR: 147 err = auth_errmsg(e.re_why); 148 i = snprintf(str, len, "; why = "); 149 str += i; 150 len -= i; 151 if (err != NULL) { 152 i = snprintf(str, len, "%s",err); 153 } else { 154 i = snprintf(str, len, 155 "(unknown authentication error - %d)", 156 (int) e.re_why); 157 } 158 str += i; 159 len -= i; 160 break; 161 162 case RPC_PROGVERSMISMATCH: 163 i = snprintf(str, len, "; low version = %u, high version = %u", 164 e.re_vers.low, e.re_vers.high); 165 str += i; 166 len -= i; 167 break; 168 169 default: /* unknown */ 170 i = snprintf(str, len, "; s1 = %u, s2 = %u", 171 e.re_lb.s1, e.re_lb.s2); 172 str += i; 173 len -= i; 174 break; 175 } 176 return(strstart) ; 177} 178 179void 180clnt_perror(rpch, s) 181 CLIENT *rpch; 182 char *s; 183{ 184 185 _DIAGASSERT(rpch != NULL); 186 _DIAGASSERT(s != NULL); 187 188 (void) fprintf(stderr, "%s\n", clnt_sperror(rpch,s)); 189} 190 191static const char *const rpc_errlist[] = { 192 "RPC: Success", /* 0 - RPC_SUCCESS */ 193 "RPC: Can't encode arguments", /* 1 - RPC_CANTENCODEARGS */ 194 "RPC: Can't decode result", /* 2 - RPC_CANTDECODERES */ 195 "RPC: Unable to send", /* 3 - RPC_CANTSEND */ 196 "RPC: Unable to receive", /* 4 - RPC_CANTRECV */ 197 "RPC: Timed out", /* 5 - RPC_TIMEDOUT */ 198 "RPC: Incompatible versions of RPC", /* 6 - RPC_VERSMISMATCH */ 199 "RPC: Authentication error", /* 7 - RPC_AUTHERROR */ 200 "RPC: Program unavailable", /* 8 - RPC_PROGUNAVAIL */ 201 "RPC: Program/version mismatch", /* 9 - RPC_PROGVERSMISMATCH */ 202 "RPC: Procedure unavailable", /* 10 - RPC_PROCUNAVAIL */ 203 "RPC: Server can't decode arguments", /* 11 - RPC_CANTDECODEARGS */ 204 "RPC: Remote system error", /* 12 - RPC_SYSTEMERROR */ 205 "RPC: Unknown host", /* 13 - RPC_UNKNOWNHOST */ 206 "RPC: Port mapper failure", /* 14 - RPC_PMAPFAILURE */ 207 "RPC: Program not registered", /* 15 - RPC_PROGNOTREGISTERED */ 208 "RPC: Failed (unspecified error)", /* 16 - RPC_FAILED */ 209 "RPC: Unknown protocol" /* 17 - RPC_UNKNOWNPROTO */ 210}; 211 212 213/* 214 * This interface for use by clntrpc 215 */ 216char * 217clnt_sperrno(stat) 218 enum clnt_stat stat; 219{ 220 unsigned int errnum = stat; 221 222 if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0]))) 223 /* LINTED interface problem */ 224 return (char *)rpc_errlist[errnum]; 225 226 return ("RPC: (unknown error code)"); 227} 228 229void 230clnt_perrno(num) 231 enum clnt_stat num; 232{ 233 (void) fprintf(stderr, "%s\n", clnt_sperrno(num)); 234} 235 236 237char * 238clnt_spcreateerror(s) 239 char *s; 240{ 241 char *str; 242 size_t len = buflen, i; 243 244 _DIAGASSERT(s != NULL); 245 246 str = _buf(); 247 if (str == 0) 248 return(0); 249 i = snprintf(str, len, "%s: ", s); 250 len -= i; 251 (void)strncat(str, clnt_sperrno(rpc_createerr.cf_stat), len - 1); 252 switch (rpc_createerr.cf_stat) { 253 case RPC_PMAPFAILURE: 254 (void) strncat(str, " - ", len - 1); 255 (void) strncat(str, 256 clnt_sperrno(rpc_createerr.cf_error.re_status), len - 4); 257 break; 258 259 case RPC_SYSTEMERROR: 260 (void)strncat(str, " - ", len - 1); 261 (void)strncat(str, strerror(rpc_createerr.cf_error.re_errno), 262 len - 4); 263 break; 264 265 case RPC_CANTSEND: 266 case RPC_CANTDECODERES: 267 case RPC_CANTENCODEARGS: 268 case RPC_SUCCESS: 269 case RPC_UNKNOWNPROTO: 270 case RPC_PROGNOTREGISTERED: 271 case RPC_FAILED: 272 case RPC_UNKNOWNHOST: 273 case RPC_CANTDECODEARGS: 274 case RPC_PROCUNAVAIL: 275 case RPC_PROGVERSMISMATCH: 276 case RPC_PROGUNAVAIL: 277 case RPC_AUTHERROR: 278 case RPC_VERSMISMATCH: 279 case RPC_TIMEDOUT: 280 case RPC_CANTRECV: 281 break; 282 } 283 return (str); 284} 285 286void 287clnt_pcreateerror(s) 288 char *s; 289{ 290 291 _DIAGASSERT(s != NULL); 292 293 (void) fprintf(stderr, "%s\n", clnt_spcreateerror(s)); 294} 295 296static const char *const auth_errlist[] = { 297 "Authentication OK", /* 0 - AUTH_OK */ 298 "Invalid client credential", /* 1 - AUTH_BADCRED */ 299 "Server rejected credential", /* 2 - AUTH_REJECTEDCRED */ 300 "Invalid client verifier", /* 3 - AUTH_BADVERF */ 301 "Server rejected verifier", /* 4 - AUTH_REJECTEDVERF */ 302 "Client credential too weak", /* 5 - AUTH_TOOWEAK */ 303 "Invalid server verifier", /* 6 - AUTH_INVALIDRESP */ 304 "Failed (unspecified error)" /* 7 - AUTH_FAILED */ 305}; 306 307static char * 308auth_errmsg(stat) 309 enum auth_stat stat; 310{ 311 unsigned int errnum = stat; 312 313 if (errnum < (sizeof(auth_errlist)/sizeof(auth_errlist[0]))) 314 /* LINTED interface problem */ 315 return (char *)auth_errlist[errnum]; 316 317 return(NULL); 318} 319