clnt_perror.c revision 1.21
1/* $NetBSD: clnt_perror.c,v 1.21 1999/09/29 03:58:51 explorer 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 1.21 1999/09/29 03:58:51 explorer 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; 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 strstart = str; 106 CLNT_GETERR(rpch, &e); 107 108 i = snprintf(str, len, "%s: ", s); 109 str += i; 110 len -= i; 111 112 (void)strncpy(str, clnt_sperrno(e.re_status), len - 1); 113 i = strlen(str); 114 str += i; 115 len -= i; 116 117 switch (e.re_status) { 118 case RPC_SUCCESS: 119 case RPC_CANTENCODEARGS: 120 case RPC_CANTDECODERES: 121 case RPC_TIMEDOUT: 122 case RPC_PROGUNAVAIL: 123 case RPC_PROCUNAVAIL: 124 case RPC_CANTDECODEARGS: 125 case RPC_SYSTEMERROR: 126 case RPC_UNKNOWNHOST: 127 case RPC_UNKNOWNPROTO: 128 case RPC_PMAPFAILURE: 129 case RPC_PROGNOTREGISTERED: 130 case RPC_FAILED: 131 break; 132 133 case RPC_CANTSEND: 134 case RPC_CANTRECV: 135 i = snprintf(str, len, "; errno = %s", strerror(e.re_errno)); 136 str += i; 137 len -= i; 138 break; 139 140 case RPC_VERSMISMATCH: 141 i = snprintf(str, len, "; low version = %u, high version = %u", 142 e.re_vers.low, e.re_vers.high); 143 str += i; 144 len -= i; 145 break; 146 147 case RPC_AUTHERROR: 148 err = auth_errmsg(e.re_why); 149 i = snprintf(str, len, "; why = "); 150 str += i; 151 len -= i; 152 if (err != NULL) { 153 i = snprintf(str, len, "%s",err); 154 } else { 155 i = snprintf(str, len, 156 "(unknown authentication error - %d)", 157 (int) e.re_why); 158 } 159 str += i; 160 len -= i; 161 break; 162 163 case RPC_PROGVERSMISMATCH: 164 i = snprintf(str, len, "; low version = %u, high version = %u", 165 e.re_vers.low, e.re_vers.high); 166 str += i; 167 len -= i; 168 break; 169 170 default: /* unknown */ 171 i = snprintf(str, len, "; s1 = %u, s2 = %u", 172 e.re_lb.s1, e.re_lb.s2); 173 str += i; 174 len -= i; 175 break; 176 } 177 return(strstart) ; 178} 179 180void 181clnt_perror(rpch, s) 182 CLIENT *rpch; 183 char *s; 184{ 185 186 _DIAGASSERT(rpch != NULL); 187 _DIAGASSERT(s != NULL); 188 189 (void) fprintf(stderr, "%s\n", clnt_sperror(rpch,s)); 190} 191 192static const char *const rpc_errlist[] = { 193 "RPC: Success", /* 0 - RPC_SUCCESS */ 194 "RPC: Can't encode arguments", /* 1 - RPC_CANTENCODEARGS */ 195 "RPC: Can't decode result", /* 2 - RPC_CANTDECODERES */ 196 "RPC: Unable to send", /* 3 - RPC_CANTSEND */ 197 "RPC: Unable to receive", /* 4 - RPC_CANTRECV */ 198 "RPC: Timed out", /* 5 - RPC_TIMEDOUT */ 199 "RPC: Incompatible versions of RPC", /* 6 - RPC_VERSMISMATCH */ 200 "RPC: Authentication error", /* 7 - RPC_AUTHERROR */ 201 "RPC: Program unavailable", /* 8 - RPC_PROGUNAVAIL */ 202 "RPC: Program/version mismatch", /* 9 - RPC_PROGVERSMISMATCH */ 203 "RPC: Procedure unavailable", /* 10 - RPC_PROCUNAVAIL */ 204 "RPC: Server can't decode arguments", /* 11 - RPC_CANTDECODEARGS */ 205 "RPC: Remote system error", /* 12 - RPC_SYSTEMERROR */ 206 "RPC: Unknown host", /* 13 - RPC_UNKNOWNHOST */ 207 "RPC: Port mapper failure", /* 14 - RPC_PMAPFAILURE */ 208 "RPC: Program not registered", /* 15 - RPC_PROGNOTREGISTERED */ 209 "RPC: Failed (unspecified error)", /* 16 - RPC_FAILED */ 210 "RPC: Unknown protocol" /* 17 - RPC_UNKNOWNPROTO */ 211}; 212 213 214/* 215 * This interface for use by clntrpc 216 */ 217char * 218clnt_sperrno(stat) 219 enum clnt_stat stat; 220{ 221 unsigned int errnum = stat; 222 223 if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0]))) 224 /* LINTED interface problem */ 225 return (char *)rpc_errlist[errnum]; 226 227 return ("RPC: (unknown error code)"); 228} 229 230void 231clnt_perrno(num) 232 enum clnt_stat num; 233{ 234 (void) fprintf(stderr, "%s\n", clnt_sperrno(num)); 235} 236 237 238char * 239clnt_spcreateerror(s) 240 char *s; 241{ 242 char *str; 243 size_t len = buflen, i; 244 245 _DIAGASSERT(s != NULL); 246 247 str = _buf(); 248 if (str == 0) 249 return(0); 250 i = snprintf(str, len, "%s: ", s); 251 len -= i; 252 (void)strncat(str, clnt_sperrno(rpc_createerr.cf_stat), len - 1); 253 switch (rpc_createerr.cf_stat) { 254 case RPC_PMAPFAILURE: 255 (void) strncat(str, " - ", len - 1); 256 (void) strncat(str, 257 clnt_sperrno(rpc_createerr.cf_error.re_status), len - 4); 258 break; 259 260 case RPC_SYSTEMERROR: 261 (void)strncat(str, " - ", len - 1); 262 (void)strncat(str, strerror(rpc_createerr.cf_error.re_errno), 263 len - 4); 264 break; 265 266 case RPC_CANTSEND: 267 case RPC_CANTDECODERES: 268 case RPC_CANTENCODEARGS: 269 case RPC_SUCCESS: 270 case RPC_UNKNOWNPROTO: 271 case RPC_PROGNOTREGISTERED: 272 case RPC_FAILED: 273 case RPC_UNKNOWNHOST: 274 case RPC_CANTDECODEARGS: 275 case RPC_PROCUNAVAIL: 276 case RPC_PROGVERSMISMATCH: 277 case RPC_PROGUNAVAIL: 278 case RPC_AUTHERROR: 279 case RPC_VERSMISMATCH: 280 case RPC_TIMEDOUT: 281 case RPC_CANTRECV: 282 break; 283 } 284 return (str); 285} 286 287void 288clnt_pcreateerror(s) 289 char *s; 290{ 291 292 _DIAGASSERT(s != NULL); 293 294 (void) fprintf(stderr, "%s\n", clnt_spcreateerror(s)); 295} 296 297static const char *const auth_errlist[] = { 298 "Authentication OK", /* 0 - AUTH_OK */ 299 "Invalid client credential", /* 1 - AUTH_BADCRED */ 300 "Server rejected credential", /* 2 - AUTH_REJECTEDCRED */ 301 "Invalid client verifier", /* 3 - AUTH_BADVERF */ 302 "Server rejected verifier", /* 4 - AUTH_REJECTEDVERF */ 303 "Client credential too weak", /* 5 - AUTH_TOOWEAK */ 304 "Invalid server verifier", /* 6 - AUTH_INVALIDRESP */ 305 "Failed (unspecified error)" /* 7 - AUTH_FAILED */ 306}; 307 308static char * 309auth_errmsg(stat) 310 enum auth_stat stat; 311{ 312 unsigned int errnum = stat; 313 314 if (errnum < (sizeof(auth_errlist)/sizeof(auth_errlist[0]))) 315 /* LINTED interface problem */ 316 return (char *)auth_errlist[errnum]; 317 318 return(NULL); 319} 320