1 /* $NetBSD: clnt_perror.c,v 1.30 2013/03/11 20:19:29 tron Exp $ */ 2 3 /* 4 * Copyright (c) 2010, Oracle America, Inc. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials 15 * provided with the distribution. 16 * * Neither the name of the "Oracle America, Inc." nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 #if defined(LIBC_SCCS) && !defined(lint) 36 #if 0 37 static char *sccsid = "@(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro"; 38 static char *sccsid = "@(#)clnt_perror.c 2.1 88/07/29 4.0 RPCSRC"; 39 #else 40 __RCSID("$NetBSD: clnt_perror.c,v 1.30 2013/03/11 20:19:29 tron Exp $"); 41 #endif 42 #endif 43 44 /* 45 * clnt_perror.c 46 * 47 * Copyright (C) 1984, Sun Microsystems, Inc. 48 * 49 */ 50 #include "namespace.h" 51 52 #include <assert.h> 53 #include <stdio.h> 54 #include <stdlib.h> 55 #include <string.h> 56 57 #include <rpc/rpc.h> 58 #include <rpc/types.h> 59 #include <rpc/auth.h> 60 #include <rpc/clnt.h> 61 62 #ifdef __weak_alias 63 __weak_alias(clnt_pcreateerror,_clnt_pcreateerror) 64 __weak_alias(clnt_perrno,_clnt_perrno) 65 __weak_alias(clnt_perror,_clnt_perror) 66 __weak_alias(clnt_spcreateerror,_clnt_spcreateerror) 67 __weak_alias(clnt_sperrno,_clnt_sperrno) 68 __weak_alias(clnt_sperror,_clnt_sperror) 69 #endif 70 71 static char *buf; 72 static size_t buflen; 73 74 static char *_buf(void); 75 static char *auth_errmsg(enum auth_stat); 76 77 static char * 78 _buf(void) 79 { 80 81 buflen = 256; 82 if (buf == 0) 83 buf = malloc(buflen); 84 return (buf); 85 } 86 87 /* 88 * Print reply error info 89 */ 90 char * 91 clnt_sperror(CLIENT *rpch, const char *s) 92 { 93 struct rpc_err e; 94 char *err; 95 char *str; 96 char *strstart; 97 size_t len, i; 98 99 _DIAGASSERT(rpch != NULL); 100 _DIAGASSERT(s != NULL); 101 102 str = _buf(); /* side effect: sets "buflen" */ 103 if (str == 0) 104 return (0); 105 len = buflen; 106 strstart = str; 107 CLNT_GETERR(rpch, &e); 108 109 i = snprintf(str, len, "%s: ", s); 110 str += i; 111 len -= i; 112 113 (void)strncpy(str, clnt_sperrno(e.re_status), len - 1); 114 i = strlen(str); 115 str += i; 116 len -= i; 117 118 switch (e.re_status) { 119 case RPC_SUCCESS: 120 case RPC_CANTENCODEARGS: 121 case RPC_CANTDECODERES: 122 case RPC_TIMEDOUT: 123 case RPC_PROGUNAVAIL: 124 case RPC_PROCUNAVAIL: 125 case RPC_CANTDECODEARGS: 126 case RPC_SYSTEMERROR: 127 case RPC_UNKNOWNHOST: 128 case RPC_UNKNOWNPROTO: 129 case RPC_PMAPFAILURE: 130 case RPC_PROGNOTREGISTERED: 131 case RPC_FAILED: 132 break; 133 134 case RPC_CANTSEND: 135 case RPC_CANTRECV: 136 i = snprintf(str, len, "; errno = %s", strerror(e.re_errno)); 137 str += i; 138 len -= i; 139 break; 140 141 case RPC_VERSMISMATCH: 142 i = snprintf(str, len, "; low version = %u, high version = %u", 143 e.re_vers.low, e.re_vers.high); 144 str += i; 145 len -= i; 146 break; 147 148 case RPC_AUTHERROR: 149 err = auth_errmsg(e.re_why); 150 i = snprintf(str, len, "; why = "); 151 str += i; 152 len -= i; 153 if (err != NULL) { 154 i = snprintf(str, len, "%s",err); 155 } else { 156 i = snprintf(str, len, 157 "(unknown authentication error - %d)", 158 (int) e.re_why); 159 } 160 str += i; 161 len -= i; 162 break; 163 164 case RPC_PROGVERSMISMATCH: 165 i = snprintf(str, len, "; low version = %u, high version = %u", 166 e.re_vers.low, e.re_vers.high); 167 str += i; 168 len -= i; 169 break; 170 171 default: /* unknown */ 172 i = snprintf(str, len, "; s1 = %u, s2 = %u", 173 e.re_lb.s1, e.re_lb.s2); 174 str += i; 175 len -= i; 176 break; 177 } 178 return(strstart) ; 179 } 180 181 void 182 clnt_perror(CLIENT *rpch, const char *s) 183 { 184 185 _DIAGASSERT(rpch != NULL); 186 _DIAGASSERT(s != NULL); 187 188 (void) fprintf(stderr, "%s\n", clnt_sperror(rpch,s)); 189 } 190 191 static const char *const rpc_errlist[] = { 192 [RPC_SUCCESS] = "RPC: Success", 193 [RPC_CANTENCODEARGS] = "RPC: Can't encode arguments", 194 [RPC_CANTDECODERES] = "RPC: Can't decode result", 195 [RPC_CANTSEND] = "RPC: Unable to send", 196 [RPC_CANTRECV] = "RPC: Unable to receive", 197 [RPC_TIMEDOUT] = "RPC: Timed out", 198 [RPC_VERSMISMATCH] = "RPC: Incompatible versions of RPC", 199 [RPC_AUTHERROR] = "RPC: Authentication error", 200 [RPC_PROGUNAVAIL] = "RPC: Program unavailable", 201 [RPC_PROGVERSMISMATCH] = "RPC: Program/version mismatch", 202 [RPC_PROCUNAVAIL] = "RPC: Procedure unavailable", 203 [RPC_CANTDECODEARGS] = "RPC: Server can't decode arguments", 204 [RPC_SYSTEMERROR] = "RPC: Remote system error", 205 [RPC_UNKNOWNHOST] = "RPC: Unknown host", 206 [RPC_PMAPFAILURE] = "RPC: Port mapper failure", 207 [RPC_PROGNOTREGISTERED] = "RPC: Program not registered", 208 [RPC_FAILED] = "RPC: Failed (unspecified error)", 209 [RPC_UNKNOWNPROTO] = "RPC: Unknown protocol", 210 [RPC_UNKNOWNADDR] = "RPC: Remote address unknown", 211 [RPC_TLIERROR] = "RPC: Misc error in the TLI library", 212 [RPC_NOBROADCAST] = "RPC: Broadcasting not supported", 213 [RPC_N2AXLATEFAILURE] = "RPC: Name -> addr translation failed", 214 [RPC_INPROGRESS] = "RPC: In progress", 215 [RPC_STALERACHANDLE] = "RPC: Stale handle", 216 }; 217 218 219 /* 220 * This interface for use by clntrpc 221 */ 222 char * 223 clnt_sperrno(enum clnt_stat stat) 224 { 225 unsigned int errnum = stat; 226 const char *msg; 227 228 msg = NULL; 229 if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0]))) { 230 msg = rpc_errlist[errnum]; 231 } 232 if (msg == NULL) { 233 msg = "RPC: (unknown error code)"; 234 } 235 return __UNCONST(msg); 236 } 237 238 void 239 clnt_perrno(enum clnt_stat num) 240 { 241 (void) fprintf(stderr, "%s\n", clnt_sperrno(num)); 242 } 243 244 245 char * 246 clnt_spcreateerror(const char *s) 247 { 248 char *str; 249 size_t len, i; 250 251 _DIAGASSERT(s != NULL); 252 253 str = _buf(); /* side effect: sets "buflen" */ 254 if (str == 0) 255 return(0); 256 len = buflen; 257 i = snprintf(str, len, "%s: ", s); 258 len -= i; 259 (void)strncat(str, clnt_sperrno(rpc_createerr.cf_stat), len - 1); 260 switch (rpc_createerr.cf_stat) { 261 case RPC_PMAPFAILURE: 262 (void) strncat(str, " - ", len - 1); 263 (void) strncat(str, 264 clnt_sperrno(rpc_createerr.cf_error.re_status), len - 4); 265 break; 266 267 case RPC_SYSTEMERROR: 268 (void)strncat(str, " - ", len - 1); 269 (void)strncat(str, strerror(rpc_createerr.cf_error.re_errno), 270 len - 4); 271 break; 272 273 case RPC_CANTSEND: 274 case RPC_CANTDECODERES: 275 case RPC_CANTENCODEARGS: 276 case RPC_SUCCESS: 277 case RPC_UNKNOWNPROTO: 278 case RPC_PROGNOTREGISTERED: 279 case RPC_FAILED: 280 case RPC_UNKNOWNHOST: 281 case RPC_CANTDECODEARGS: 282 case RPC_PROCUNAVAIL: 283 case RPC_PROGVERSMISMATCH: 284 case RPC_PROGUNAVAIL: 285 case RPC_AUTHERROR: 286 case RPC_VERSMISMATCH: 287 case RPC_TIMEDOUT: 288 case RPC_CANTRECV: 289 default: 290 break; 291 } 292 return (str); 293 } 294 295 void 296 clnt_pcreateerror(const char *s) 297 { 298 299 _DIAGASSERT(s != NULL); 300 301 (void) fprintf(stderr, "%s\n", clnt_spcreateerror(s)); 302 } 303 304 static const char *const auth_errlist[] = { 305 "Authentication OK", /* 0 - AUTH_OK */ 306 "Invalid client credential", /* 1 - AUTH_BADCRED */ 307 "Server rejected credential", /* 2 - AUTH_REJECTEDCRED */ 308 "Invalid client verifier", /* 3 - AUTH_BADVERF */ 309 "Server rejected verifier", /* 4 - AUTH_REJECTEDVERF */ 310 "Client credential too weak", /* 5 - AUTH_TOOWEAK */ 311 "Invalid server verifier", /* 6 - AUTH_INVALIDRESP */ 312 "Failed (unspecified error)" /* 7 - AUTH_FAILED */ 313 }; 314 315 static char * 316 auth_errmsg(enum auth_stat stat) 317 { 318 unsigned int errnum = stat; 319 320 if (errnum < __arraycount(auth_errlist)) 321 return __UNCONST(auth_errlist[errnum]); 322 323 return(NULL); 324 } 325
Indexes created Sun Oct 25 00:26:45 UTC 2026