1 /* $NetBSD: clnt_perror.c,v 1.9 1997/01/23 14:02:15 mrg 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 #if defined(LIBC_SCCS) && !defined(lint) 33 /*static char *sccsid = "from: @(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro";*/ 34 /*static char *sccsid = "from: @(#)clnt_perror.c 2.1 88/07/29 4.0 RPCSRC";*/ 35 static char *rcsid = "$NetBSD: clnt_perror.c,v 1.9 1997/01/23 14:02:15 mrg Exp $"; 36 #endif 37 38 /* 39 * clnt_perror.c 40 * 41 * Copyright (C) 1984, Sun Microsystems, Inc. 42 * 43 */ 44 #include <stdio.h> 45 #include <stdlib.h> 46 #include <string.h> 47 #include <rpc/rpc.h> 48 #include <rpc/types.h> 49 #include <rpc/auth.h> 50 #include <rpc/clnt.h> 51 52 static char *auth_errmsg(); 53 54 static char *buf; 55 static int buflen; 56 57 static char * 58 _buf() 59 { 60 61 if (buf == 0) 62 buf = (char *)malloc(256); 63 buflen = 256; 64 return (buf); 65 } 66 67 /* 68 * Print reply error info 69 */ 70 char * 71 clnt_sperror(rpch, s) 72 CLIENT *rpch; 73 char *s; 74 { 75 struct rpc_err e; 76 void clnt_perrno(); 77 char *err; 78 char *str = _buf(); 79 char *strstart = str; 80 int len = buflen, i; 81 82 if (str == 0) 83 return (0); 84 CLNT_GETERR(rpch, &e); 85 86 i = snprintf(str, len, "%s: ", s); 87 str += i; 88 len -= i; 89 90 (void)strncpy(str, clnt_sperrno(e.re_status), len - 1); 91 i = strlen(str); 92 str += i; 93 len -= i; 94 95 switch (e.re_status) { 96 case RPC_SUCCESS: 97 case RPC_CANTENCODEARGS: 98 case RPC_CANTDECODERES: 99 case RPC_TIMEDOUT: 100 case RPC_PROGUNAVAIL: 101 case RPC_PROCUNAVAIL: 102 case RPC_CANTDECODEARGS: 103 case RPC_SYSTEMERROR: 104 case RPC_UNKNOWNHOST: 105 case RPC_UNKNOWNPROTO: 106 case RPC_PMAPFAILURE: 107 case RPC_PROGNOTREGISTERED: 108 case RPC_FAILED: 109 break; 110 111 case RPC_CANTSEND: 112 case RPC_CANTRECV: 113 i = snprintf(str, len, "; errno = %s", 114 strerror(e.re_errno)); 115 str += i; 116 len -= i; 117 break; 118 119 case RPC_VERSMISMATCH: 120 i = snprintf(str, len, 121 "; low version = %lu, high version = %lu", 122 e.re_vers.low, e.re_vers.high); 123 str += i; 124 len -= i; 125 break; 126 127 case RPC_AUTHERROR: 128 err = auth_errmsg(e.re_why); 129 i = snprintf(str, len, "; why = "); 130 str += i; 131 len -= i; 132 if (err != NULL) { 133 i = snprintf(str, len, "%s",err); 134 } else { 135 i = snprintf(str, len, 136 "(unknown authentication error - %d)", 137 (int) e.re_why); 138 } 139 str += i; 140 len -= i; 141 break; 142 143 case RPC_PROGVERSMISMATCH: 144 i = snprintf(str, len, 145 "; low version = %lu, high version = %lu", 146 e.re_vers.low, e.re_vers.high); 147 str += i; 148 len -= i; 149 break; 150 151 default: /* unknown */ 152 i = snprintf(str, len, 153 "; s1 = %lu, s2 = %lu", 154 e.re_lb.s1, e.re_lb.s2); 155 str += i; 156 len -= i; 157 break; 158 } 159 return(strstart) ; 160 } 161 162 void 163 clnt_perror(rpch, s) 164 CLIENT *rpch; 165 char *s; 166 { 167 (void) fprintf(stderr,"%s\n",clnt_sperror(rpch,s)); 168 } 169 170 static const char *const rpc_errlist[] = { 171 "RPC: Success", /* 0 - RPC_SUCCESS */ 172 "RPC: Can't encode arguments", /* 1 - RPC_CANTENCODEARGS */ 173 "RPC: Can't decode result", /* 2 - RPC_CANTDECODERES */ 174 "RPC: Unable to send", /* 3 - RPC_CANTSEND */ 175 "RPC: Unable to receive", /* 4 - RPC_CANTRECV */ 176 "RPC: Timed out", /* 5 - RPC_TIMEDOUT */ 177 "RPC: Incompatible versions of RPC", /* 6 - RPC_VERSMISMATCH */ 178 "RPC: Authentication error", /* 7 - RPC_AUTHERROR */ 179 "RPC: Program unavailable", /* 8 - RPC_PROGUNAVAIL */ 180 "RPC: Program/version mismatch", /* 9 - RPC_PROGVERSMISMATCH */ 181 "RPC: Procedure unavailable", /* 10 - RPC_PROCUNAVAIL */ 182 "RPC: Server can't decode arguments", /* 11 - RPC_CANTDECODEARGS */ 183 "RPC: Remote system error", /* 12 - RPC_SYSTEMERROR */ 184 "RPC: Unknown host", /* 13 - RPC_UNKNOWNHOST */ 185 "RPC: Port mapper failure", /* 14 - RPC_PMAPFAILURE */ 186 "RPC: Program not registered", /* 15 - RPC_PROGNOTREGISTERED */ 187 "RPC: Failed (unspecified error)", /* 16 - RPC_FAILED */ 188 "RPC: Unknown protocol" /* 17 - RPC_UNKNOWNPROTO */ 189 }; 190 191 192 /* 193 * This interface for use by clntrpc 194 */ 195 char * 196 clnt_sperrno(stat) 197 enum clnt_stat stat; 198 { 199 int i; 200 201 unsigned int errnum = stat; 202 203 if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0]))) 204 return (char *)rpc_errlist[errnum]; 205 206 return ("RPC: (unknown error code)"); 207 } 208 209 void 210 clnt_perrno(num) 211 enum clnt_stat num; 212 { 213 (void) fprintf(stderr,"%s\n",clnt_sperrno(num)); 214 } 215 216 217 char * 218 clnt_spcreateerror(s) 219 char *s; 220 { 221 char *str = _buf(); 222 int len = buflen, i; 223 224 if (str == 0) 225 return(0); 226 i = snprintf(str, len, "%s: ", s); 227 len -= i; 228 (void)strncat(str, clnt_sperrno(rpc_createerr.cf_stat), len - 1); 229 switch (rpc_createerr.cf_stat) { 230 case RPC_PMAPFAILURE: 231 (void) strncat(str, " - ", len - 1); 232 (void) strncat(str, 233 clnt_sperrno(rpc_createerr.cf_error.re_status), len - 4); 234 break; 235 236 case RPC_SYSTEMERROR: 237 (void)strncat(str, " - ", len - 1); 238 (void)strncat(str, strerror(rpc_createerr.cf_error.re_errno), 239 len - 4); 240 break; 241 } 242 return (str); 243 } 244 245 void 246 clnt_pcreateerror(s) 247 char *s; 248 { 249 (void) fprintf(stderr,"%s\n",clnt_spcreateerror(s)); 250 } 251 252 static const char *const auth_errlist[] = { 253 "Authentication OK", /* 0 - AUTH_OK */ 254 "Invalid client credential", /* 1 - AUTH_BADCRED */ 255 "Server rejected credential", /* 2 - AUTH_REJECTEDCRED */ 256 "Invalid client verifier", /* 3 - AUTH_BADVERF */ 257 "Server rejected verifier", /* 4 - AUTH_REJECTEDVERF */ 258 "Client credential too weak", /* 5 - AUTH_TOOWEAK */ 259 "Invalid server verifier", /* 6 - AUTH_INVALIDRESP */ 260 "Failed (unspecified error)" /* 7 - AUTH_FAILED */ 261 }; 262 263 static char * 264 auth_errmsg(stat) 265 enum auth_stat stat; 266 { 267 unsigned int errnum = stat; 268 269 if (errnum < (sizeof(auth_errlist)/sizeof(auth_errlist[0]))) 270 return (char *)auth_errlist[errnum]; 271 272 return(NULL); 273 } 274