freebsd-dev/crypto/heimdal/lib/krb5/eai_to_heim_errno.c
2008-05-07 13:39:42 +00:00

115 lines
3.4 KiB
C

/*
* Copyright (c) 2000 - 2001 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <krb5_locl.h>
RCSID("$Id: eai_to_heim_errno.c 22065 2007-11-11 16:41:06Z lha $");
/**
* Convert the getaddrinfo() error code to a Kerberos et error code.
*
* @param eai_errno contains the error code from getaddrinfo().
* @param system_error should have the value of errno after the failed getaddrinfo().
*
* @return Kerberos error code representing the EAI errors.
*
* @ingroup krb5_error
*/
krb5_error_code KRB5_LIB_FUNCTION
krb5_eai_to_heim_errno(int eai_errno, int system_error)
{
switch(eai_errno) {
case EAI_NOERROR:
return 0;
#ifdef EAI_ADDRFAMILY
case EAI_ADDRFAMILY:
return HEIM_EAI_ADDRFAMILY;
#endif
case EAI_AGAIN:
return HEIM_EAI_AGAIN;
case EAI_BADFLAGS:
return HEIM_EAI_BADFLAGS;
case EAI_FAIL:
return HEIM_EAI_FAIL;
case EAI_FAMILY:
return HEIM_EAI_FAMILY;
case EAI_MEMORY:
return HEIM_EAI_MEMORY;
#if defined(EAI_NODATA) && EAI_NODATA != EAI_NONAME
case EAI_NODATA:
return HEIM_EAI_NODATA;
#endif
case EAI_NONAME:
return HEIM_EAI_NONAME;
case EAI_SERVICE:
return HEIM_EAI_SERVICE;
case EAI_SOCKTYPE:
return HEIM_EAI_SOCKTYPE;
case EAI_SYSTEM:
return system_error;
default:
return HEIM_EAI_UNKNOWN; /* XXX */
}
}
/**
* Convert the gethostname() error code (h_error) to a Kerberos et
* error code.
*
* @param eai_errno contains the error code from gethostname().
*
* @return Kerberos error code representing the gethostname errors.
*
* @ingroup krb5_error
*/
krb5_error_code KRB5_LIB_FUNCTION
krb5_h_errno_to_heim_errno(int eai_errno)
{
switch(eai_errno) {
case 0:
return 0;
case HOST_NOT_FOUND:
return HEIM_EAI_NONAME;
case TRY_AGAIN:
return HEIM_EAI_AGAIN;
case NO_RECOVERY:
return HEIM_EAI_FAIL;
case NO_DATA:
return HEIM_EAI_NONAME;
default:
return HEIM_EAI_UNKNOWN; /* XXX */
}
}