1/* 2 * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") 3 * Copyright (C) 2000-2002 Internet Software Consortium. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15 * PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18/* $Id: errno2result.c,v 1.17 2008/09/12 04:46:25 marka Exp $ */ 19 20#include <config.h> 21 22#include <winsock2.h> 23#include "errno2result.h" 24#include <isc/result.h> 25#include <isc/strerror.h> 26#include <isc/util.h> 27 28/* 29 * Convert a POSIX errno value into an isc_result_t. The 30 * list of supported errno values is not complete; new users 31 * of this function should add any expected errors that are 32 * not already there. 33 */ 34isc_result_t 35isc__errno2resultx(int posixerrno, const char *file, int line) { 36 char strbuf[ISC_STRERRORSIZE]; 37 38 switch (posixerrno) { 39 case ENOTDIR: 40 case WSAELOOP: 41 case WSAEINVAL: 42 case EINVAL: /* XXX sometimes this is not for files */ 43 case ENAMETOOLONG: 44 case WSAENAMETOOLONG: 45 case EBADF: 46 case WSAEBADF: 47 return (ISC_R_INVALIDFILE); 48 case ENOENT: 49 return (ISC_R_FILENOTFOUND); 50 case EACCES: 51 case WSAEACCES: 52 case EPERM: 53 return (ISC_R_NOPERM); 54 case EEXIST: 55 return (ISC_R_FILEEXISTS); 56 case EIO: 57 return (ISC_R_IOERROR); 58 case ENOMEM: 59 return (ISC_R_NOMEMORY); 60 case ENFILE: 61 case EMFILE: 62 case WSAEMFILE: 63 return (ISC_R_TOOMANYOPENFILES); 64 case ERROR_CANCELLED: 65 return (ISC_R_CANCELED); 66 case ERROR_CONNECTION_REFUSED: 67 case WSAECONNREFUSED: 68 return (ISC_R_CONNREFUSED); 69 case WSAENOTCONN: 70 case ERROR_CONNECTION_INVALID: 71 return (ISC_R_NOTCONNECTED); 72 case ERROR_HOST_UNREACHABLE: 73 case WSAEHOSTUNREACH: 74 return (ISC_R_HOSTUNREACH); 75 case ERROR_NETWORK_UNREACHABLE: 76 case WSAENETUNREACH: 77 return (ISC_R_NETUNREACH); 78 case ERROR_NO_NETWORK: 79 return (ISC_R_NETUNREACH); 80 case ERROR_PORT_UNREACHABLE: 81 return (ISC_R_HOSTUNREACH); 82 case ERROR_SEM_TIMEOUT: 83 return (ISC_R_TIMEDOUT); 84 case WSAECONNRESET: 85 case WSAENETRESET: 86 case WSAECONNABORTED: 87 case WSAEDISCON: 88 case ERROR_OPERATION_ABORTED: 89 case ERROR_CONNECTION_ABORTED: 90 case ERROR_REQUEST_ABORTED: 91 return (ISC_R_CONNECTIONRESET); 92 case WSAEADDRNOTAVAIL: 93 return (ISC_R_ADDRNOTAVAIL); 94 case ERROR_NETNAME_DELETED: 95 case WSAENETDOWN: 96 return (ISC_R_NETUNREACH); 97 case WSAEHOSTDOWN: 98 return (ISC_R_HOSTUNREACH); 99 case WSAENOBUFS: 100 return (ISC_R_NORESOURCES); 101 default: 102 isc__strerror(posixerrno, strbuf, sizeof(strbuf)); 103 UNEXPECTED_ERROR(file, line, "unable to convert errno " 104 "to isc_result: %d: %s", posixerrno, strbuf); 105 /* 106 * XXXDCL would be nice if perhaps this function could 107 * return the system's error string, so the caller 108 * might have something more descriptive than "unexpected 109 * error" to log with. 110 */ 111 return (ISC_R_UNEXPECTED); 112 } 113} 114