929bbe192d
Surprising error IO error is returned when directory name is given instead of named.conf file. It can be passed to named-checkconf or include statement. Make a simple change to return Invalid file instead. Still not precise, but much better error message is returned. Fix of rhbz#490837.
131 lines
3.1 KiB
C
131 lines
3.1 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at https://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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/*! \file */
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#include "errno2result.h"
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#include <stdbool.h>
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#include <isc/result.h>
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#include <isc/strerr.h>
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#include <isc/string.h>
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#include <isc/util.h>
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/*%
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* Convert a POSIX errno value into an isc_result_t. The
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* list of supported errno values is not complete; new users
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* of this function should add any expected errors that are
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* not already there.
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*/
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isc_result_t
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isc___errno2result(int posixerrno, bool dolog, const char *file,
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unsigned int line) {
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char strbuf[ISC_STRERRORSIZE];
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switch (posixerrno) {
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case ENOTDIR:
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case ELOOP:
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case EINVAL: /* XXX sometimes this is not for files */
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case ENAMETOOLONG:
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case EBADF:
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return (ISC_R_INVALIDFILE);
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case EISDIR:
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return (ISC_R_NOTFILE);
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case ENOENT:
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return (ISC_R_FILENOTFOUND);
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case EACCES:
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case EPERM:
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return (ISC_R_NOPERM);
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case EEXIST:
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return (ISC_R_FILEEXISTS);
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case EIO:
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return (ISC_R_IOERROR);
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case ENOMEM:
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return (ISC_R_NOMEMORY);
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case ENFILE:
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case EMFILE:
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return (ISC_R_TOOMANYOPENFILES);
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#ifdef EDQUOT
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case EDQUOT:
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return (ISC_R_DISCQUOTA);
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#endif /* ifdef EDQUOT */
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case ENOSPC:
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return (ISC_R_DISCFULL);
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#ifdef EOVERFLOW
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case EOVERFLOW:
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return (ISC_R_RANGE);
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#endif /* ifdef EOVERFLOW */
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case EPIPE:
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#ifdef ECONNRESET
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case ECONNRESET:
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#endif /* ifdef ECONNRESET */
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#ifdef ECONNABORTED
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case ECONNABORTED:
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#endif /* ifdef ECONNABORTED */
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return (ISC_R_CONNECTIONRESET);
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#ifdef ENOTCONN
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case ENOTCONN:
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return (ISC_R_NOTCONNECTED);
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#endif /* ifdef ENOTCONN */
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#ifdef ETIMEDOUT
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case ETIMEDOUT:
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return (ISC_R_TIMEDOUT);
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#endif /* ifdef ETIMEDOUT */
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#ifdef ENOBUFS
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case ENOBUFS:
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return (ISC_R_NORESOURCES);
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#endif /* ifdef ENOBUFS */
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#ifdef EAFNOSUPPORT
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case EAFNOSUPPORT:
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return (ISC_R_FAMILYNOSUPPORT);
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#endif /* ifdef EAFNOSUPPORT */
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#ifdef ENETDOWN
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case ENETDOWN:
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return (ISC_R_NETDOWN);
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#endif /* ifdef ENETDOWN */
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#ifdef EHOSTDOWN
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case EHOSTDOWN:
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return (ISC_R_HOSTDOWN);
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#endif /* ifdef EHOSTDOWN */
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#ifdef ENETUNREACH
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case ENETUNREACH:
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return (ISC_R_NETUNREACH);
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#endif /* ifdef ENETUNREACH */
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#ifdef EHOSTUNREACH
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case EHOSTUNREACH:
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return (ISC_R_HOSTUNREACH);
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#endif /* ifdef EHOSTUNREACH */
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#ifdef EADDRINUSE
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case EADDRINUSE:
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return (ISC_R_ADDRINUSE);
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#endif /* ifdef EADDRINUSE */
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case EADDRNOTAVAIL:
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return (ISC_R_ADDRNOTAVAIL);
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case ECONNREFUSED:
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return (ISC_R_CONNREFUSED);
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default:
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if (dolog) {
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strerror_r(posixerrno, strbuf, sizeof(strbuf));
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UNEXPECTED_ERROR(file, line,
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"unable to convert errno "
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"to isc_result: %d: %s",
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posixerrno, strbuf);
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}
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/*
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* XXXDCL would be nice if perhaps this function could
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* return the system's error string, so the caller
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* might have something more descriptive than "unexpected
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* error" to log with.
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*/
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return (ISC_R_UNEXPECTED);
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}
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}
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