clnt_perror.c revision 1.11
1/* $NetBSD: clnt_perror.c,v 1.11 1997/07/21 14:08:23 jtc 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 1.11 1997/07/21 14:08:23 jtc 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#include <stdio.h> 50#include <stdlib.h> 51#include <string.h> 52#include <rpc/rpc.h> 53#include <rpc/types.h> 54#include <rpc/auth.h> 55#include <rpc/clnt.h> 56 57#ifdef __weak_alias 58__weak_alias(clnt_pcreateerror,_clnt_pcreateerror); 59__weak_alias(clnt_perrno,_clnt_perrno); 60__weak_alias(clnt_perror,_clnt_perror); 61__weak_alias(clnt_spcreateerror,_clnt_spcreateerror); 62__weak_alias(clnt_sperrno,_clnt_sperrno); 63__weak_alias(clnt_sperror,_clnt_sperror); 64#endif 65 66static char *buf; 67static int buflen; 68 69static char *_buf __P((void)); 70static char *auth_errmsg __P((enum auth_stat)); 71 72static char * 73_buf() 74{ 75 76 if (buf == 0) 77 buf = (char *)malloc(256); 78 buflen = 256; 79 return (buf); 80} 81 82/* 83 * Print reply error info 84 */ 85char * 86clnt_sperror(rpch, s) 87 CLIENT *rpch; 88 char *s; 89{ 90 struct rpc_err e; 91 char *err; 92 char *str = _buf(); 93 char *strstart = str; 94 int len = buflen, i; 95 96 if (str == 0) 97 return (0); 98 CLNT_GETERR(rpch, &e); 99 100 i = snprintf(str, len, "%s: ", s); 101 str += i; 102 len -= i; 103 104 (void)strncpy(str, clnt_sperrno(e.re_status), len - 1); 105 i = strlen(str); 106 str += i; 107 len -= i; 108 109 switch (e.re_status) { 110 case RPC_SUCCESS: 111 case RPC_CANTENCODEARGS: 112 case RPC_CANTDECODERES: 113 case RPC_TIMEDOUT: 114 case RPC_PROGUNAVAIL: 115 case RPC_PROCUNAVAIL: 116 case RPC_CANTDECODEARGS: 117 case RPC_SYSTEMERROR: 118 case RPC_UNKNOWNHOST: 119 case RPC_UNKNOWNPROTO: 120 case RPC_PMAPFAILURE: 121 case RPC_PROGNOTREGISTERED: 122 case RPC_FAILED: 123 break; 124 125 case RPC_CANTSEND: 126 case RPC_CANTRECV: 127 i = snprintf(str, len, "; errno = %s", 128 strerror(e.re_errno)); 129 str += i; 130 len -= i; 131 break; 132 133 case RPC_VERSMISMATCH: 134 i = snprintf(str, len, 135 "; low version = %u, high version = %u", 136 e.re_vers.low, e.re_vers.high); 137 str += i; 138 len -= i; 139 break; 140 141 case RPC_AUTHERROR: 142 err = auth_errmsg(e.re_why); 143 i = snprintf(str, len, "; why = "); 144 str += i; 145 len -= i; 146 if (err != NULL) { 147 i = snprintf(str, len, "%s",err); 148 } else { 149 i = snprintf(str, len, 150 "(unknown authentication error - %d)", 151 (int) e.re_why); 152 } 153 str += i; 154 len -= i; 155 break; 156 157 case RPC_PROGVERSMISMATCH: 158 i = snprintf(str, len, 159 "; low version = %u, high version = %u", 160 e.re_vers.low, e.re_vers.high); 161 str += i; 162 len -= i; 163 break; 164 165 default: /* unknown */ 166 i = snprintf(str, len, 167 "; s1 = %u, s2 = %u", 168 e.re_lb.s1, e.re_lb.s2); 169 str += i; 170 len -= i; 171 break; 172 } 173 return(strstart) ; 174} 175 176void 177clnt_perror(rpch, s) 178 CLIENT *rpch; 179 char *s; 180{ 181 (void) fprintf(stderr,"%s\n",clnt_sperror(rpch,s)); 182} 183 184static const char *const rpc_errlist[] = { 185 "RPC: Success", /* 0 - RPC_SUCCESS */ 186 "RPC: Can't encode arguments", /* 1 - RPC_CANTENCODEARGS */ 187 "RPC: Can't decode result", /* 2 - RPC_CANTDECODERES */ 188 "RPC: Unable to send", /* 3 - RPC_CANTSEND */ 189 "RPC: Unable to receive", /* 4 - RPC_CANTRECV */ 190 "RPC: Timed out", /* 5 - RPC_TIMEDOUT */ 191 "RPC: Incompatible versions of RPC", /* 6 - RPC_VERSMISMATCH */ 192 "RPC: Authentication error", /* 7 - RPC_AUTHERROR */ 193 "RPC: Program unavailable", /* 8 - RPC_PROGUNAVAIL */ 194 "RPC: Program/version mismatch", /* 9 - RPC_PROGVERSMISMATCH */ 195 "RPC: Procedure unavailable", /* 10 - RPC_PROCUNAVAIL */ 196 "RPC: Server can't decode arguments", /* 11 - RPC_CANTDECODEARGS */ 197 "RPC: Remote system error", /* 12 - RPC_SYSTEMERROR */ 198 "RPC: Unknown host", /* 13 - RPC_UNKNOWNHOST */ 199 "RPC: Port mapper failure", /* 14 - RPC_PMAPFAILURE */ 200 "RPC: Program not registered", /* 15 - RPC_PROGNOTREGISTERED */ 201 "RPC: Failed (unspecified error)", /* 16 - RPC_FAILED */ 202 "RPC: Unknown protocol" /* 17 - RPC_UNKNOWNPROTO */ 203}; 204 205 206/* 207 * This interface for use by clntrpc 208 */ 209char * 210clnt_sperrno(stat) 211 enum clnt_stat stat; 212{ 213 unsigned int errnum = stat; 214 215 if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0]))) 216 return (char *)rpc_errlist[errnum]; 217 218 return ("RPC: (unknown error code)"); 219} 220 221void 222clnt_perrno(num) 223 enum clnt_stat num; 224{ 225 (void) fprintf(stderr,"%s\n",clnt_sperrno(num)); 226} 227 228 229char * 230clnt_spcreateerror(s) 231 char *s; 232{ 233 char *str = _buf(); 234 int len = buflen, i; 235 236 if (str == 0) 237 return(0); 238 i = snprintf(str, len, "%s: ", s); 239 len -= i; 240 (void)strncat(str, clnt_sperrno(rpc_createerr.cf_stat), len - 1); 241 switch (rpc_createerr.cf_stat) { 242 case RPC_PMAPFAILURE: 243 (void) strncat(str, " - ", len - 1); 244 (void) strncat(str, 245 clnt_sperrno(rpc_createerr.cf_error.re_status), len - 4); 246 break; 247 248 case RPC_SYSTEMERROR: 249 (void)strncat(str, " - ", len - 1); 250 (void)strncat(str, strerror(rpc_createerr.cf_error.re_errno), 251 len - 4); 252 break; 253 254 case RPC_CANTSEND: 255 case RPC_CANTDECODERES: 256 case RPC_CANTENCODEARGS: 257 case RPC_SUCCESS: 258 case RPC_UNKNOWNPROTO: 259 case RPC_PROGNOTREGISTERED: 260 case RPC_FAILED: 261 case RPC_UNKNOWNHOST: 262 case RPC_CANTDECODEARGS: 263 case RPC_PROCUNAVAIL: 264 case RPC_PROGVERSMISMATCH: 265 case RPC_PROGUNAVAIL: 266 case RPC_AUTHERROR: 267 case RPC_VERSMISMATCH: 268 case RPC_TIMEDOUT: 269 case RPC_CANTRECV: 270 break; 271 } 272 return (str); 273} 274 275void 276clnt_pcreateerror(s) 277 char *s; 278{ 279 (void) fprintf(stderr,"%s\n",clnt_spcreateerror(s)); 280} 281 282static const char *const auth_errlist[] = { 283 "Authentication OK", /* 0 - AUTH_OK */ 284 "Invalid client credential", /* 1 - AUTH_BADCRED */ 285 "Server rejected credential", /* 2 - AUTH_REJECTEDCRED */ 286 "Invalid client verifier", /* 3 - AUTH_BADVERF */ 287 "Server rejected verifier", /* 4 - AUTH_REJECTEDVERF */ 288 "Client credential too weak", /* 5 - AUTH_TOOWEAK */ 289 "Invalid server verifier", /* 6 - AUTH_INVALIDRESP */ 290 "Failed (unspecified error)" /* 7 - AUTH_FAILED */ 291}; 292 293static char * 294auth_errmsg(stat) 295 enum auth_stat stat; 296{ 297 unsigned int errnum = stat; 298 299 if (errnum < (sizeof(auth_errlist)/sizeof(auth_errlist[0]))) 300 return (char *)auth_errlist[errnum]; 301 302 return(NULL); 303} 304