1 /* $NetBSD: clnt_perror.c,v 1.15 1998/11/15 17:32:42 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 35 static char *sccsid = "@(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro"; 36 static char *sccsid = "@(#)clnt_perror.c 2.1 88/07/29 4.0 RPCSRC"; 37 #else 38 __RCSID("$NetBSD: clnt_perror.c,v 1.15 1998/11/15 17:32:42 christos 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 50 #include <stdio.h> 51 #include <stdlib.h> 52 #include <string.h> 53 54 #include <rpc/rpc.h> 55 #include <rpc/types.h> 56 #include <rpc/auth.h> 57 #include <rpc/clnt.h> 58 59 #ifdef __weak_alias 60 __weak_alias(clnt_pcreateerror,_clnt_pcreateerror); 61 __weak_alias(clnt_perrno,_clnt_perrno); 62 __weak_alias(clnt_perror,_clnt_perror); 63 __weak_alias(clnt_spcreateerror,_clnt_spcreateerror); 64 __weak_alias(clnt_sperrno,_clnt_sperrno); 65 __weak_alias(clnt_sperror,_clnt_sperror); 66 #endif 67 68 static char *buf; 69 static int buflen; 70 71 static char *_buf __P((void)); 72 static char *auth_errmsg __P((enum auth_stat)); 73 74 static char * 75 _buf() 76 { 77 78 if (buf == 0) 79 buf = (char *)malloc(256); 80 buflen = 256; 81 return (buf); 82 } 83 84 /* 85 * Print reply error info 86 */ 87 char * 88 clnt_sperror(rpch, s) 89 CLIENT *rpch; 90 char *s; 91 { 92 struct rpc_err e; 93 char *err; 94 char *str = _buf(); 95 char *strstart = str; 96 size_t len = buflen, i; 97 98 if (str == 0) 99 return (0); 100 CLNT_GETERR(rpch, &e); 101 102 i = snprintf(str, len, "%s: ", s); 103 str += i; 104 len -= i; 105 106 (void)strncpy(str, clnt_sperrno(e.re_status), len - 1); 107 i = strlen(str); 108 str += i; 109 len -= i; 110 111 switch (e.re_status) { 112 case RPC_SUCCESS: 113 case RPC_CANTENCODEARGS: 114 case RPC_CANTDECODERES: 115 case RPC_TIMEDOUT: 116 case RPC_PROGUNAVAIL: 117 case RPC_PROCUNAVAIL: 118 case RPC_CANTDECODEARGS: 119 case RPC_SYSTEMERROR: 120 case RPC_UNKNOWNHOST: 121 case RPC_UNKNOWNPROTO: 122 case RPC_PMAPFAILURE: 123 case RPC_PROGNOTREGISTERED: 124 case RPC_FAILED: 125 break; 126 127 case RPC_CANTSEND: 128 case RPC_CANTRECV: 129 i = snprintf(str, len, "; errno = %s", 130 strerror(e.re_errno)); 131 str += i; 132 len -= i; 133 break; 134 135 case RPC_VERSMISMATCH: 136 i = snprintf(str, len, 137 "; low version = %u, high version = %u", 138 e.re_vers.low, e.re_vers.high); 139 str += i; 140 len -= i; 141 break; 142 143 case RPC_AUTHERROR: 144 err = auth_errmsg(e.re_why); 145 i = snprintf(str, len, "; why = "); 146 str += i; 147 len -= i; 148 if (err != NULL) { 149 i = snprintf(str, len, "%s",err); 150 } else { 151 i = snprintf(str, len, 152 "(unknown authentication error - %d)", 153 (int) e.re_why); 154 } 155 str += i; 156 len -= i; 157 break; 158 159 case RPC_PROGVERSMISMATCH: 160 i = snprintf(str, len, 161 "; low version = %u, high version = %u", 162 e.re_vers.low, e.re_vers.high); 163 str += i; 164 len -= i; 165 break; 166 167 default: /* unknown */ 168 i = snprintf(str, len, 169 "; s1 = %u, s2 = %u", 170 e.re_lb.s1, e.re_lb.s2); 171 str += i; 172 len -= i; 173 break; 174 } 175 return(strstart) ; 176 } 177 178 void 179 clnt_perror(rpch, s) 180 CLIENT *rpch; 181 char *s; 182 { 183 (void) fprintf(stderr, "%s\n", clnt_sperror(rpch,s)); 184 } 185 186 static const char *const rpc_errlist[] = { 187 "RPC: Success", /* 0 - RPC_SUCCESS */ 188 "RPC: Can't encode arguments", /* 1 - RPC_CANTENCODEARGS */ 189 "RPC: Can't decode result", /* 2 - RPC_CANTDECODERES */ 190 "RPC: Unable to send", /* 3 - RPC_CANTSEND */ 191 "RPC: Unable to receive", /* 4 - RPC_CANTRECV */ 192 "RPC: Timed out", /* 5 - RPC_TIMEDOUT */ 193 "RPC: Incompatible versions of RPC", /* 6 - RPC_VERSMISMATCH */ 194 "RPC: Authentication error", /* 7 - RPC_AUTHERROR */ 195 "RPC: Program unavailable", /* 8 - RPC_PROGUNAVAIL */ 196 "RPC: Program/version mismatch", /* 9 - RPC_PROGVERSMISMATCH */ 197 "RPC: Procedure unavailable", /* 10 - RPC_PROCUNAVAIL */ 198 "RPC: Server can't decode arguments", /* 11 - RPC_CANTDECODEARGS */ 199 "RPC: Remote system error", /* 12 - RPC_SYSTEMERROR */ 200 "RPC: Unknown host", /* 13 - RPC_UNKNOWNHOST */ 201 "RPC: Port mapper failure", /* 14 - RPC_PMAPFAILURE */ 202 "RPC: Program not registered", /* 15 - RPC_PROGNOTREGISTERED */ 203 "RPC: Failed (unspecified error)", /* 16 - RPC_FAILED */ 204 "RPC: Unknown protocol" /* 17 - RPC_UNKNOWNPROTO */ 205 }; 206 207 208 /* 209 * This interface for use by clntrpc 210 */ 211 char * 212 clnt_sperrno(stat) 213 enum clnt_stat stat; 214 { 215 unsigned int errnum = stat; 216 217 if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0]))) 218 /* LINTED interface problem */ 219 return (char *)rpc_errlist[errnum]; 220 221 return ("RPC: (unknown error code)"); 222 } 223 224 void 225 clnt_perrno(num) 226 enum clnt_stat num; 227 { 228 (void) fprintf(stderr, "%s\n", clnt_sperrno(num)); 229 } 230 231 232 char * 233 clnt_spcreateerror(s) 234 char *s; 235 { 236 char *str = _buf(); 237 size_t len = buflen, i; 238 239 if (str == 0) 240 return(0); 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 } 277 278 void 279 clnt_pcreateerror(s) 280 char *s; 281 { 282 (void) fprintf(stderr, "%s\n", clnt_spcreateerror(s)); 283 } 284 285 static 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 }; 295 296 static char * 297 auth_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 /* LINTED interface problem */ 304 return (char *)auth_errlist[errnum]; 305 306 return(NULL); 307 } 308