source: branches/samba-3.3.x/source/libads/ads_status.c

/* 
   Unix SMB/CIFS implementation.
   ads (active directory) utility library
   Copyright (C) Andrew Tridgell 2001
   Copyright (C) Remus Koos 2001
   Copyright (C) Andrew Bartlett 2001
   
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "smb_krb5.h"

/*
  build a ADS_STATUS structure
*/
ADS_STATUS ads_build_error(enum ads_error_type etype, 
                           int rc, int minor_status)
{
        ADS_STATUS ret;

        if (etype == ENUM_ADS_ERROR_NT) {
                DEBUG(0,("don't use ads_build_error with ENUM_ADS_ERROR_NT!\n"));
                ret.err.rc = -1;
                ret.error_type = ENUM_ADS_ERROR_SYSTEM;
                ret.minor_status = 0;
                return ret;     
        }       
                
        ret.err.rc = rc;
        ret.error_type = etype;         
        ret.minor_status = minor_status;
        return ret;
}

ADS_STATUS ads_build_nt_error(enum ads_error_type etype, 
                           NTSTATUS nt_status)
{
        ADS_STATUS ret;

        if (etype != ENUM_ADS_ERROR_NT) {
                DEBUG(0,("don't use ads_build_nt_error without ENUM_ADS_ERROR_NT!\n"));
                ret.err.rc = -1;
                ret.error_type = ENUM_ADS_ERROR_SYSTEM;
                ret.minor_status = 0;
                return ret;     
        }
        ret.err.nt_status = nt_status;
        ret.error_type = etype;         
        ret.minor_status = 0;
        return ret;
}

/*
  do a rough conversion between ads error codes and NT status codes
  we'll need to fill this in more
*/
NTSTATUS ads_ntstatus(ADS_STATUS status)
{
        switch (status.error_type) {
        case ENUM_ADS_ERROR_NT:
                return status.err.nt_status;    
        case ENUM_ADS_ERROR_SYSTEM:
                return map_nt_error_from_unix(status.err.rc);
#ifdef HAVE_LDAP
        case ENUM_ADS_ERROR_LDAP:
                if (status.err.rc == LDAP_SUCCESS) {
                        return NT_STATUS_OK;
                }
                return NT_STATUS_LDAP(status.err.rc);
#endif
#ifdef HAVE_KRB5
        case ENUM_ADS_ERROR_KRB5:
                return krb5_to_nt_status(status.err.rc);
#endif
        default:
                break;
        }

        if (ADS_ERR_OK(status)) {
                return NT_STATUS_OK;
        }
        return NT_STATUS_UNSUCCESSFUL;
}

/*
  return a string for an error from a ads routine
*/
const char *ads_errstr(ADS_STATUS status)
{
        switch (status.error_type) {
        case ENUM_ADS_ERROR_SYSTEM:
                return strerror(status.err.rc);
#ifdef HAVE_LDAP
        case ENUM_ADS_ERROR_LDAP:
                return ldap_err2string(status.err.rc);
#endif
#ifdef HAVE_KRB5
        case ENUM_ADS_ERROR_KRB5: 
                return error_message(status.err.rc);
#endif
#ifdef HAVE_GSSAPI
        case ENUM_ADS_ERROR_GSS:
        {
                char *ret;
                uint32 msg_ctx;
                uint32 minor;
                gss_buffer_desc msg1, msg2;

                msg_ctx = 0;
                
                msg1.value = NULL;
                msg2.value = NULL;
                gss_display_status(&minor, status.err.rc, GSS_C_GSS_CODE,
                                   GSS_C_NULL_OID, &msg_ctx, &msg1);
                gss_display_status(&minor, status.minor_status, GSS_C_MECH_CODE,
                                   GSS_C_NULL_OID, &msg_ctx, &msg2);
                ret = talloc_asprintf(talloc_tos(), "%s : %s",
                                      (char *)msg1.value, (char *)msg2.value);
                SMB_ASSERT(ret != NULL);
                gss_release_buffer(&minor, &msg1);
                gss_release_buffer(&minor, &msg2);
                return ret;
        }
#endif
        case ENUM_ADS_ERROR_NT: 
                return get_friendly_nt_error_msg(ads_ntstatus(status));
        default:
                return "Unknown ADS error type!? (not compiled in?)";
        }
}

#ifdef HAVE_GSSAPI
NTSTATUS gss_err_to_ntstatus(uint32 maj, uint32 min)
{
        ADS_STATUS adss = ADS_ERROR_GSS(maj, min);
        DEBUG(10,("gss_err_to_ntstatus: Error %s\n",
                ads_errstr(adss) ));
        return ads_ntstatus(adss);
}
#endif