clnt_perror.c revision 1.12
1/* $NetBSD: clnt_perror.c,v 1.12 1998/02/10 04:54:28 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 1.12 1998/02/10 04:54:28 lukem Exp $"); 39#endif 40#endif 41 42/* 43 * clnt_perror.c 44 * 45 * Copyright (C) 1984, Sun Microsystems, Inc. 46 * 47 */ 48 49#include "namespace.h" 50 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 int buflen; 71 72static char *_buf __P((void)); 73static char *auth_errmsg __P((enum auth_stat)); 74 75static char * 76_buf() 77{ 78 79 if (buf == NULL) 80 buf = (char *)malloc(256); 81 buflen = 256; 82 return (buf); 83} 84 85/* 86 * Print reply error info 87 */ 88char * 89clnt_sperror(rpch, s) 90 CLIENT *rpch; 91 const char *s; 92{ 93 struct rpc_err e; 94 char *err; 95 char *str = _buf(); 96 char *strstart = str; 97 int len = buflen, i; 98 99 if (str == NULL) 100 return (NULL); 101 CLNT_GETERR(rpch, &e); 102 103 i = snprintf(str, len, "%s: ", s); 104 str += i; 105 len -= i; 106 107 (void)strncpy(str, clnt_sperrno(e.re_status), len - 1); 108 i = strlen(str); 109 str += i; 110 len -= i; 111 112 switch (e.re_status) { 113 case RPC_SUCCESS: 114 case RPC_CANTENCODEARGS: 115 case RPC_CANTDECODERES: 116 case RPC_TIMEDOUT: 117 case RPC_PROGUNAVAIL: 118 case RPC_PROCUNAVAIL: 119 case RPC_CANTDECODEARGS: 120 case RPC_SYSTEMERROR: 121 case RPC_UNKNOWNHOST: 122 case RPC_UNKNOWNPROTO: 123 case RPC_PMAPFAILURE: 124 case RPC_PROGNOTREGISTERED: 125 case RPC_FAILED: 126 break; 127 128 case RPC_CANTSEND: 129 case RPC_CANTRECV: 130 i = snprintf(str, len, "; errno = %s", 131 strerror(e.re_errno)); 132 str += i; 133 len -= i; 134 break; 135 136 case RPC_VERSMISMATCH: 137 i = snprintf(str, len, 138 "; low version = %u, high version = %u", 139 e.re_vers.low, e.re_vers.high); 140 str += i; 141 len -= i; 142 break; 143 144 case RPC_AUTHERROR: 145 err = auth_errmsg(e.re_why); 146 i = snprintf(str, len, "; why = "); 147 str += i; 148 len -= i; 149 if (err != NULL) { 150 i = snprintf(str, len, "%s",err); 151 } else { 152 i = snprintf(str, len, 153 "(unknown authentication error - %d)", 154 (int) e.re_why); 155 } 156 str += i; 157 len -= i; 158 break; 159 160 case RPC_PROGVERSMISMATCH: 161 i = snprintf(str, len, 162 "; low version = %u, high version = %u", 163 e.re_vers.low, e.re_vers.high); 164 str += i; 165 len -= i; 166 break; 167 168 default: /* unknown */ 169 i = snprintf(str, len, 170 "; 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 const char *s; 183{ 184 (void) fprintf(stderr, "%s\n", clnt_sperror(rpch,s)); 185} 186 187static const char *const rpc_errlist[] = { 188 "RPC: Success", /* 0 - RPC_SUCCESS */ 189 "RPC: Can't encode arguments", /* 1 - RPC_CANTENCODEARGS */ 190 "RPC: Can't decode result", /* 2 - RPC_CANTDECODERES */ 191 "RPC: Unable to send", /* 3 - RPC_CANTSEND */ 192 "RPC: Unable to receive", /* 4 - RPC_CANTRECV */ 193 "RPC: Timed out", /* 5 - RPC_TIMEDOUT */ 194 "RPC: Incompatible versions of RPC", /* 6 - RPC_VERSMISMATCH */ 195 "RPC: Authentication error", /* 7 - RPC_AUTHERROR */ 196 "RPC: Program unavailable", /* 8 - RPC_PROGUNAVAIL */ 197 "RPC: Program/version mismatch", /* 9 - RPC_PROGVERSMISMATCH */ 198 "RPC: Procedure unavailable", /* 10 - RPC_PROCUNAVAIL */ 199 "RPC: Server can't decode arguments", /* 11 - RPC_CANTDECODEARGS */ 200 "RPC: Remote system error", /* 12 - RPC_SYSTEMERROR */ 201 "RPC: Unknown host", /* 13 - RPC_UNKNOWNHOST */ 202 "RPC: Port mapper failure", /* 14 - RPC_PMAPFAILURE */ 203 "RPC: Program not registered", /* 15 - RPC_PROGNOTREGISTERED */ 204 "RPC: Failed (unspecified error)", /* 16 - RPC_FAILED */ 205 "RPC: Unknown protocol" /* 17 - RPC_UNKNOWNPROTO */ 206}; 207 208 209/* 210 * This interface for use by clntrpc 211 */ 212char * 213clnt_sperrno(stat) 214 enum clnt_stat stat; 215{ 216 unsigned int errnum = stat; 217 218 if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0]))) 219 return (char *)rpc_errlist[errnum]; 220 221 return ("RPC: (unknown error code)"); 222} 223 224void 225clnt_perrno(num) 226 enum clnt_stat num; 227{ 228 (void) fprintf(stderr, "%s\n", clnt_sperrno(num)); 229} 230 231 232char * 233clnt_spcreateerror(s) 234 const char *s; 235{ 236 char *str = _buf(); 237 int len = buflen, i; 238 239 if (str == NULL) 240 return(NULL); 241 i = snprintf(str, len, "%s: ", s); 242 len -= i; 243 (void)strncat(str, clnt_sperrno(rpc_createerr.cf_stat), len - 1); 244 switch (rpc_createerr.cf_stat) { 245 case RPC_PMAPFAILURE: 246 (void) strncat(str, " - ", len - 1); 247 (void) strncat(str, 248 clnt_sperrno(rpc_createerr.cf_error.re_status), len - 4); 249 break; 250 251 case RPC_SYSTEMERROR: 252 (void)strncat(str, " - ", len - 1); 253 (void)strncat(str, strerror(rpc_createerr.cf_error.re_errno), 254 len - 4); 255 break; 256 257 case RPC_CANTSEND: 258 case RPC_CANTDECODERES: 259 case RPC_CANTENCODEARGS: 260 case RPC_SUCCESS: 261 case RPC_UNKNOWNPROTO: 262 case RPC_PROGNOTREGISTERED: 263 case RPC_FAILED: 264 case RPC_UNKNOWNHOST: 265 case RPC_CANTDECODEARGS: 266 case RPC_PROCUNAVAIL: 267 case RPC_PROGVERSMISMATCH: 268 case RPC_PROGUNAVAIL: 269 case RPC_AUTHERROR: 270 case RPC_VERSMISMATCH: 271 case RPC_TIMEDOUT: 272 case RPC_CANTRECV: 273 break; 274 } 275 return (str); 276} 277 278void 279clnt_pcreateerror(s) 280 const char *s; 281{ 282 (void) fprintf(stderr, "%s\n", clnt_spcreateerror(s)); 283} 284 285static const char *const auth_errlist[] = { 286 "Authentication OK", /* 0 - AUTH_OK */ 287 "Invalid client credential", /* 1 - AUTH_BADCRED */ 288 "Server rejected credential", /* 2 - AUTH_REJECTEDCRED */ 289 "Invalid client verifier", /* 3 - AUTH_BADVERF */ 290 "Server rejected verifier", /* 4 - AUTH_REJECTEDVERF */ 291 "Client credential too weak", /* 5 - AUTH_TOOWEAK */ 292 "Invalid server verifier", /* 6 - AUTH_INVALIDRESP */ 293 "Failed (unspecified error)" /* 7 - AUTH_FAILED */ 294}; 295 296static char * 297auth_errmsg(stat) 298 enum auth_stat stat; 299{ 300 unsigned int errnum = stat; 301 302 if (errnum < (sizeof(auth_errlist)/sizeof(auth_errlist[0]))) 303 return (char *)auth_errlist[errnum]; 304 305 return(NULL); 306} 307