1 /* 2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 3 * unrestricted use provided that this legend is included on all tape 4 * media and as a part of the software program in whole or part. Users 5 * may copy or modify Sun RPC without charge, but are not authorized 6 * to license or distribute it to anyone else except as part of a product or 7 * program developed by the user. 8 * 9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 12 * 13 * Sun RPC is provided with no support and without any obligation on the 14 * part of Sun Microsystems, Inc. to assist in its use, correction, 15 * modification or enhancement. 16 * 17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 19 * OR ANY PART THEREOF. 20 * 21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 22 * or profits or other special, indirect and consequential damages, even if 23 * Sun has been advised of the possibility of such damages. 24 * 25 * Sun Microsystems, Inc. 26 * 2550 Garcia Avenue 27 * Mountain View, California 94043 28 */ 29 30 #if defined(LIBC_SCCS) && !defined(lint) 31 /*static char *sccsid = "from: @(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro";*/ 32 /*static char *sccsid = "from: @(#)clnt_perror.c 2.1 88/07/29 4.0 RPCSRC";*/ 33 static char *rcsid = "$Id: clnt_perror.c,v 1.9 1997/05/28 05:05:04 wpaul Exp $"; 34 #endif 35 36 /* 37 * clnt_perror.c 38 * 39 * Copyright (C) 1984, Sun Microsystems, Inc. 40 * 41 */ 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <rpc/rpc.h> 46 #include <rpc/types.h> 47 #include <rpc/auth.h> 48 #include <rpc/clnt.h> 49 50 static char *auth_errmsg(); 51 #define CLNT_PERROR_BUFLEN 256 52 53 static char *buf; 54 55 static char * 56 _buf() 57 { 58 59 if (buf == 0) 60 buf = (char *)malloc(CLNT_PERROR_BUFLEN); 61 return (buf); 62 } 63 64 /* 65 * Print reply error info 66 */ 67 char * 68 clnt_sperror(rpch, s) 69 CLIENT *rpch; 70 char *s; 71 { 72 struct rpc_err e; 73 char *err; 74 char *str = _buf(); 75 char *strstart = str; 76 77 if (str == 0) 78 return (0); 79 CLNT_GETERR(rpch, &e); 80 81 (void) sprintf(str, "%s: %s", s, clnt_sperrno(e.re_status)); 82 str += strlen(str); 83 84 switch (e.re_status) { 85 case RPC_SUCCESS: 86 case RPC_CANTENCODEARGS: 87 case RPC_CANTDECODERES: 88 case RPC_TIMEDOUT: 89 case RPC_PROGUNAVAIL: 90 case RPC_PROCUNAVAIL: 91 case RPC_CANTDECODEARGS: 92 case RPC_SYSTEMERROR: 93 case RPC_UNKNOWNHOST: 94 case RPC_UNKNOWNPROTO: 95 case RPC_PMAPFAILURE: 96 case RPC_PROGNOTREGISTERED: 97 case RPC_FAILED: 98 break; 99 100 case RPC_CANTSEND: 101 case RPC_CANTRECV: 102 (void) snprintf(str, CLNT_PERROR_BUFLEN - (str - strstart), 103 "; errno = %s\n", strerror(e.re_errno)); 104 break; 105 106 case RPC_VERSMISMATCH: 107 (void) sprintf(str, 108 "; low version = %lu, high version = %lu\n", 109 (u_long)e.re_vers.low, (u_long)e.re_vers.high); 110 break; 111 112 case RPC_AUTHERROR: 113 err = auth_errmsg(e.re_why); 114 (void) sprintf(str,"; why = "); 115 str += strlen(str); 116 if (err != NULL) { 117 (void) sprintf(str, "%s\n",err); 118 } else { 119 (void) sprintf(str, 120 "(unknown authentication error - %d)\n", 121 (int) e.re_why); 122 } 123 break; 124 125 case RPC_PROGVERSMISMATCH: 126 (void) sprintf(str, 127 "; low version = %lu, high version = %lu\n", 128 (u_long)e.re_vers.low, (u_long)e.re_vers.high); 129 break; 130 131 default: /* unknown */ 132 (void) sprintf(str, 133 "; s1 = %lu, s2 = %lu\n", 134 (long)e.re_lb.s1, (long)e.re_lb.s2); 135 break; 136 } 137 strstart[CLNT_PERROR_BUFLEN-2] = '\n'; 138 strstart[CLNT_PERROR_BUFLEN-1] = '\0'; 139 return(strstart) ; 140 } 141 142 void 143 clnt_perror(rpch, s) 144 CLIENT *rpch; 145 char *s; 146 { 147 (void) fprintf(stderr,"%s\n",clnt_sperror(rpch,s)); 148 } 149 150 151 static const char *const rpc_errlist[] = { 152 "RPC: Success", /* 0 - RPC_SUCCESS */ 153 "RPC: Can't encode arguments", /* 1 - RPC_CANTENCODEARGS */ 154 "RPC: Can't decode result", /* 2 - RPC_CANTDECODERES */ 155 "RPC: Unable to send", /* 3 - RPC_CANTSEND */ 156 "RPC: Unable to receive", /* 4 - RPC_CANTRECV */ 157 "RPC: Timed out", /* 5 - RPC_TIMEDOUT */ 158 "RPC: Incompatible versions of RPC", /* 6 - RPC_VERSMISMATCH */ 159 "RPC: Authentication error", /* 7 - RPC_AUTHERROR */ 160 "RPC: Program unavailable", /* 8 - RPC_PROGUNAVAIL */ 161 "RPC: Program/version mismatch", /* 9 - RPC_PROGVERSMISMATCH */ 162 "RPC: Procedure unavailable", /* 10 - RPC_PROCUNAVAIL */ 163 "RPC: Server can't decode arguments", /* 11 - RPC_CANTDECODEARGS */ 164 "RPC: Remote system error", /* 12 - RPC_SYSTEMERROR */ 165 "RPC: Unknown host", /* 13 - RPC_UNKNOWNHOST */ 166 "RPC: Port mapper failure", /* 14 - RPC_PMAPFAILURE */ 167 "RPC: Program not registered", /* 15 - RPC_PROGNOTREGISTERED */ 168 "RPC: Failed (unspecified error)", /* 16 - RPC_FAILED */ 169 "RPC: Unknown protocol" /* 17 - RPC_UNKNOWNPROTO */ 170 }; 171 172 173 /* 174 * This interface for use by clntrpc 175 */ 176 char * 177 clnt_sperrno(stat) 178 enum clnt_stat stat; 179 { 180 unsigned int errnum = stat; 181 182 if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0]))) 183 return (char *)rpc_errlist[errnum]; 184 185 return ("RPC: (unknown error code)"); 186 } 187 188 void 189 clnt_perrno(num) 190 enum clnt_stat num; 191 { 192 (void) fprintf(stderr,"%s\n",clnt_sperrno(num)); 193 } 194 195 196 char * 197 clnt_spcreateerror(s) 198 char *s; 199 { 200 char *str = _buf(); 201 202 if (str == 0) 203 return(0); 204 switch (rpc_createerr.cf_stat) { 205 case RPC_PMAPFAILURE: 206 (void) snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s - %s\n", s, 207 clnt_sperrno(rpc_createerr.cf_stat), 208 clnt_sperrno(rpc_createerr.cf_error.re_status)); 209 break; 210 211 case RPC_SYSTEMERROR: 212 (void) snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s - %s\n", s, 213 clnt_sperrno(rpc_createerr.cf_stat), 214 strerror(rpc_createerr.cf_error.re_errno)); 215 break; 216 default: 217 (void) snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s\n", s, 218 clnt_sperrno(rpc_createerr.cf_stat)); 219 break; 220 } 221 str[CLNT_PERROR_BUFLEN-2] = '\n'; 222 str[CLNT_PERROR_BUFLEN-1] = '\0'; 223 return (str); 224 } 225 226 void 227 clnt_pcreateerror(s) 228 char *s; 229 { 230 (void) fprintf(stderr,"%s\n",clnt_spcreateerror(s)); 231 } 232 233 static const char *const auth_errlist[] = { 234 "Authentication OK", /* 0 - AUTH_OK */ 235 "Invalid client credential", /* 1 - AUTH_BADCRED */ 236 "Server rejected credential", /* 2 - AUTH_REJECTEDCRED */ 237 "Invalid client verifier", /* 3 - AUTH_BADVERF */ 238 "Server rejected verifier", /* 4 - AUTH_REJECTEDVERF */ 239 "Client credential too weak", /* 5 - AUTH_TOOWEAK */ 240 "Invalid server verifier", /* 6 - AUTH_INVALIDRESP */ 241 "Failed (unspecified error)" /* 7 - AUTH_FAILED */ 242 }; 243 244 static char * 245 auth_errmsg(stat) 246 enum auth_stat stat; 247 { 248 unsigned int errnum = stat; 249 250 if (errnum < (sizeof(auth_errlist)/sizeof(auth_errlist[0]))) 251 return (char *)auth_errlist[errnum]; 252 253 return(NULL); 254 } 255