/*
* Copyright (c) 2001, 2003 Proofpoint, Inc. and its suppliers.
* All rights reserved.
* Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved.
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the sendmail distribution.
*/
#include <sm/gen.h>
SM_RCSID("@(#)$Id: errstring.c,v 1.20 2013-11-22 20:51:42 ca Exp $")
#include <errno.h>
#include <stdio.h> /* sys_errlist, on some platforms */
#include <sm/io.h> /* sm_snprintf */
#include <sm/string.h>
#include <sm/errstring.h>
#if NAMED_BIND
# include <netdb.h>
#endif
#if LDAPMAP
# include <lber.h>
# include <ldap.h> /* for LDAP error codes */
#endif
/*
** Notice: this file is used by libmilter. Please try to avoid
** using libsm specific functions.
*/
/*
** SM_ERRSTRING -- return string description of error code
**
** Parameters:
** errnum -- the error number to translate
**
** Returns:
** A string description of errnum.
**
** Note: this may point to a local (static) buffer.
*/
const char *
sm_errstring(errnum)
int errnum;
{
char *ret;
switch (errnum)
{
case EPERM:
/* SunOS gives "Not owner" -- this is the POSIX message */
return "Operation not permitted";
/*
** Error messages used internally in sendmail.
*/
case E_SM_OPENTIMEOUT:
return "Timeout on file open";
case E_SM_NOSLINK:
return "Symbolic links not allowed";
case E_SM_NOHLINK:
return "Hard links not allowed";
case E_SM_REGONLY:
return "Regular files only";
case E_SM_ISEXEC:
return "Executable files not allowed";
case E_SM_WWDIR:
return "World writable directory";
case E_SM_GWDIR:
return "Group writable directory";
case E_SM_FILECHANGE:
return "File changed after open";
case E_SM_WWFILE:
return "World writable file";
case E_SM_GWFILE:
return "Group writable file";
case E_SM_GRFILE:
return "Group readable file";
case E_SM_WRFILE:
return "World readable file";
/*
** DNS error messages.
*/
#if NAMED_BIND
case HOST_NOT_FOUND + E_DNSBASE:
return "Name server: host not found";
case TRY_AGAIN + E_DNSBASE:
return "Name server: host name lookup failure";
case NO_RECOVERY + E_DNSBASE:
return "Name server: non-recoverable error";
case NO_DATA + E_DNSBASE:
return "Name server: no data known";
#endif /* NAMED_BIND */
/*
** libsmdb error messages.
*/
case SMDBE_MALLOC:
return "Memory allocation failed";
case SMDBE_GDBM_IS_BAD:
return "GDBM is not supported";
case SMDBE_UNSUPPORTED:
return "Unsupported action";
case SMDBE_DUPLICATE:
return "Key already exists";
case SMDBE_BAD_OPEN:
return "Database open failed";
case SMDBE_NOT_FOUND:
return "Key not found";
case SMDBE_UNKNOWN_DB_TYPE:
return "Unknown database type";
case SMDBE_UNSUPPORTED_DB_TYPE:
return "Support for database type not compiled into this program";
case SMDBE_INCOMPLETE:
return "DB sync did not finish";
case SMDBE_KEY_EMPTY:
return "Key is empty";
case SMDBE_KEY_EXIST:
return "Key already exists";
case SMDBE_LOCK_DEADLOCK:
return "Locker killed to resolve deadlock";
case SMDBE_LOCK_NOT_GRANTED:
return "Lock unavailable";
case SMDBE_LOCK_NOT_HELD:
return "Lock not held by locker";
case SMDBE_RUN_RECOVERY:
return "Database panic, run recovery";
case SMDBE_IO_ERROR:
return "I/O error";
case SMDBE_READ_ONLY:
return "Database opened read-only";
case SMDBE_DB_NAME_TOO_LONG:
return "Name too long";
case SMDBE_INVALID_PARAMETER:
return "Invalid parameter";
case SMDBE_ONLY_SUPPORTS_ONE_CURSOR:
return "Only one cursor allowed";
case SMDBE_NOT_A_VALID_CURSOR:
return "Invalid cursor";
case SMDBE_OLD_VERSION:
return "Berkeley DB file is an old version, recreate it";
case SMDBE_VERSION_MISMATCH:
return "Berkeley DB version mismatch between include file and library";
#if LDAPMAP
/*
** LDAP URL error messages.
*/
/* OpenLDAP errors */
# ifdef LDAP_URL_ERR_MEM
case E_LDAPURLBASE + LDAP_URL_ERR_MEM:
return "LDAP URL can't allocate memory space";
# endif
# ifdef LDAP_URL_ERR_PARAM
case E_LDAPURLBASE + LDAP_URL_ERR_PARAM:
return "LDAP URL parameter is bad";
# endif
# ifdef LDAP_URL_ERR_BADSCHEME
case E_LDAPURLBASE + LDAP_URL_ERR_BADSCHEME:
return "LDAP URL doesn't begin with \"ldap[si]://\"";
# endif
# ifdef LDAP_URL_ERR_BADENCLOSURE
case E_LDAPURLBASE + LDAP_URL_ERR_BADENCLOSURE:
return "LDAP URL is missing trailing \">\"";
# endif
# ifdef LDAP_URL_ERR_BADURL
case E_LDAPURLBASE + LDAP_URL_ERR_BADURL:
return "LDAP URL is bad";
# endif
# ifdef LDAP_URL_ERR_BADHOST
case E_LDAPURLBASE + LDAP_URL_ERR_BADHOST:
return "LDAP URL host port is bad";
# endif
# ifdef LDAP_URL_ERR_BADATTRS
case E_LDAPURLBASE + LDAP_URL_ERR_BADATTRS:
return "LDAP URL bad (or missing) attributes";
# endif
# ifdef LDAP_URL_ERR_BADSCOPE
case E_LDAPURLBASE + LDAP_URL_ERR_BADSCOPE:
return "LDAP URL scope string is invalid (or missing)";
# endif
# ifdef LDAP_URL_ERR_BADFILTER
case E_LDAPURLBASE + LDAP_URL_ERR_BADFILTER:
return "LDAP URL bad or missing filter";
# endif
# ifdef LDAP_URL_ERR_BADEXTS
case E_LDAPURLBASE + LDAP_URL_ERR_BADEXTS:
return "LDAP URL bad or missing extensions";
# endif
/* Sun LDAP errors */
# ifdef LDAP_URL_ERR_NOTLDAP
case E_LDAPURLBASE + LDAP_URL_ERR_NOTLDAP:
return "LDAP URL doesn't begin with \"ldap://\"";
# endif
# ifdef LDAP_URL_ERR_NODN
case E_LDAPURLBASE + LDAP_URL_ERR_NODN:
return "LDAP URL has no DN (required)";
# endif
#endif /* LDAPMAP */
}
#if LDAPMAP
/*
** LDAP error messages. Handle small negative errors from
** libldap (in the range -E_LDAP_SHIM to zero, offset by E_LDAPBASE)
** as well.
*/
if (errnum >= E_LDAPBASE - E_LDAP_SHIM)
return ldap_err2string(errnum - E_LDAPBASE);
#endif /* LDAPMAP */
ret = strerror(errnum);
if (ret == NULL)
{
static char buf[30];
(void) sm_snprintf(buf, sizeof buf, "Error %d", errnum);
return buf;
}
return ret;
}