clnt_perror.c revision 1.10
1/* $NetBSD: clnt_perror.c,v 1.10 1997/07/13 20:08:16 christos 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 1.10 1997/07/13 20:08:16 christos Exp $"); 39#endif 40#endif 41 42/* 43 * clnt_perror.c 44 * 45 * Copyright (C) 1984, Sun Microsystems, Inc. 46 * 47 */ 48#include <stdio.h> 49#include <stdlib.h> 50#include <string.h> 51#include <rpc/rpc.h> 52#include <rpc/types.h> 53#include <rpc/auth.h> 54#include <rpc/clnt.h> 55 56static char *buf; 57static int buflen; 58 59static char *_buf __P((void)); 60static char *auth_errmsg __P((enum auth_stat)); 61 62static char * 63_buf() 64{ 65 66 if (buf == 0) 67 buf = (char *)malloc(256); 68 buflen = 256; 69 return (buf); 70} 71 72/* 73 * Print reply error info 74 */ 75char * 76clnt_sperror(rpch, s) 77 CLIENT *rpch; 78 char *s; 79{ 80 struct rpc_err e; 81 char *err; 82 char *str = _buf(); 83 char *strstart = str; 84 int len = buflen, i; 85 86 if (str == 0) 87 return (0); 88 CLNT_GETERR(rpch, &e); 89 90 i = snprintf(str, len, "%s: ", s); 91 str += i; 92 len -= i; 93 94 (void)strncpy(str, clnt_sperrno(e.re_status), len - 1); 95 i = strlen(str); 96 str += i; 97 len -= i; 98 99 switch (e.re_status) { 100 case RPC_SUCCESS: 101 case RPC_CANTENCODEARGS: 102 case RPC_CANTDECODERES: 103 case RPC_TIMEDOUT: 104 case RPC_PROGUNAVAIL: 105 case RPC_PROCUNAVAIL: 106 case RPC_CANTDECODEARGS: 107 case RPC_SYSTEMERROR: 108 case RPC_UNKNOWNHOST: 109 case RPC_UNKNOWNPROTO: 110 case RPC_PMAPFAILURE: 111 case RPC_PROGNOTREGISTERED: 112 case RPC_FAILED: 113 break; 114 115 case RPC_CANTSEND: 116 case RPC_CANTRECV: 117 i = snprintf(str, len, "; errno = %s", 118 strerror(e.re_errno)); 119 str += i; 120 len -= i; 121 break; 122 123 case RPC_VERSMISMATCH: 124 i = snprintf(str, len, 125 "; low version = %u, high version = %u", 126 e.re_vers.low, e.re_vers.high); 127 str += i; 128 len -= i; 129 break; 130 131 case RPC_AUTHERROR: 132 err = auth_errmsg(e.re_why); 133 i = snprintf(str, len, "; why = "); 134 str += i; 135 len -= i; 136 if (err != NULL) { 137 i = snprintf(str, len, "%s",err); 138 } else { 139 i = snprintf(str, len, 140 "(unknown authentication error - %d)", 141 (int) e.re_why); 142 } 143 str += i; 144 len -= i; 145 break; 146 147 case RPC_PROGVERSMISMATCH: 148 i = snprintf(str, len, 149 "; low version = %u, high version = %u", 150 e.re_vers.low, e.re_vers.high); 151 str += i; 152 len -= i; 153 break; 154 155 default: /* unknown */ 156 i = snprintf(str, len, 157 "; s1 = %u, s2 = %u", 158 e.re_lb.s1, e.re_lb.s2); 159 str += i; 160 len -= i; 161 break; 162 } 163 return(strstart) ; 164} 165 166void 167clnt_perror(rpch, s) 168 CLIENT *rpch; 169 char *s; 170{ 171 (void) fprintf(stderr,"%s\n",clnt_sperror(rpch,s)); 172} 173 174static const char *const rpc_errlist[] = { 175 "RPC: Success", /* 0 - RPC_SUCCESS */ 176 "RPC: Can't encode arguments", /* 1 - RPC_CANTENCODEARGS */ 177 "RPC: Can't decode result", /* 2 - RPC_CANTDECODERES */ 178 "RPC: Unable to send", /* 3 - RPC_CANTSEND */ 179 "RPC: Unable to receive", /* 4 - RPC_CANTRECV */ 180 "RPC: Timed out", /* 5 - RPC_TIMEDOUT */ 181 "RPC: Incompatible versions of RPC", /* 6 - RPC_VERSMISMATCH */ 182 "RPC: Authentication error", /* 7 - RPC_AUTHERROR */ 183 "RPC: Program unavailable", /* 8 - RPC_PROGUNAVAIL */ 184 "RPC: Program/version mismatch", /* 9 - RPC_PROGVERSMISMATCH */ 185 "RPC: Procedure unavailable", /* 10 - RPC_PROCUNAVAIL */ 186 "RPC: Server can't decode arguments", /* 11 - RPC_CANTDECODEARGS */ 187 "RPC: Remote system error", /* 12 - RPC_SYSTEMERROR */ 188 "RPC: Unknown host", /* 13 - RPC_UNKNOWNHOST */ 189 "RPC: Port mapper failure", /* 14 - RPC_PMAPFAILURE */ 190 "RPC: Program not registered", /* 15 - RPC_PROGNOTREGISTERED */ 191 "RPC: Failed (unspecified error)", /* 16 - RPC_FAILED */ 192 "RPC: Unknown protocol" /* 17 - RPC_UNKNOWNPROTO */ 193}; 194 195 196/* 197 * This interface for use by clntrpc 198 */ 199char * 200clnt_sperrno(stat) 201 enum clnt_stat stat; 202{ 203 unsigned int errnum = stat; 204 205 if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0]))) 206 return (char *)rpc_errlist[errnum]; 207 208 return ("RPC: (unknown error code)"); 209} 210 211void 212clnt_perrno(num) 213 enum clnt_stat num; 214{ 215 (void) fprintf(stderr,"%s\n",clnt_sperrno(num)); 216} 217 218 219char * 220clnt_spcreateerror(s) 221 char *s; 222{ 223 char *str = _buf(); 224 int len = buflen, i; 225 226 if (str == 0) 227 return(0); 228 i = snprintf(str, len, "%s: ", s); 229 len -= i; 230 (void)strncat(str, clnt_sperrno(rpc_createerr.cf_stat), len - 1); 231 switch (rpc_createerr.cf_stat) { 232 case RPC_PMAPFAILURE: 233 (void) strncat(str, " - ", len - 1); 234 (void) strncat(str, 235 clnt_sperrno(rpc_createerr.cf_error.re_status), len - 4); 236 break; 237 238 case RPC_SYSTEMERROR: 239 (void)strncat(str, " - ", len - 1); 240 (void)strncat(str, strerror(rpc_createerr.cf_error.re_errno), 241 len - 4); 242 break; 243 244 case RPC_CANTSEND: 245 case RPC_CANTDECODERES: 246 case RPC_CANTENCODEARGS: 247 case RPC_SUCCESS: 248 case RPC_UNKNOWNPROTO: 249 case RPC_PROGNOTREGISTERED: 250 case RPC_FAILED: 251 case RPC_UNKNOWNHOST: 252 case RPC_CANTDECODEARGS: 253 case RPC_PROCUNAVAIL: 254 case RPC_PROGVERSMISMATCH: 255 case RPC_PROGUNAVAIL: 256 case RPC_AUTHERROR: 257 case RPC_VERSMISMATCH: 258 case RPC_TIMEDOUT: 259 case RPC_CANTRECV: 260 break; 261 } 262 return (str); 263} 264 265void 266clnt_pcreateerror(s) 267 char *s; 268{ 269 (void) fprintf(stderr,"%s\n",clnt_spcreateerror(s)); 270} 271 272static const char *const auth_errlist[] = { 273 "Authentication OK", /* 0 - AUTH_OK */ 274 "Invalid client credential", /* 1 - AUTH_BADCRED */ 275 "Server rejected credential", /* 2 - AUTH_REJECTEDCRED */ 276 "Invalid client verifier", /* 3 - AUTH_BADVERF */ 277 "Server rejected verifier", /* 4 - AUTH_REJECTEDVERF */ 278 "Client credential too weak", /* 5 - AUTH_TOOWEAK */ 279 "Invalid server verifier", /* 6 - AUTH_INVALIDRESP */ 280 "Failed (unspecified error)" /* 7 - AUTH_FAILED */ 281}; 282 283static char * 284auth_errmsg(stat) 285 enum auth_stat stat; 286{ 287 unsigned int errnum = stat; 288 289 if (errnum < (sizeof(auth_errlist)/sizeof(auth_errlist[0]))) 290 return (char *)auth_errlist[errnum]; 291 292 return(NULL); 293} 294