release/src/router/samba3/source/libads/ads_status.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    ads (active directory) utility library
   4    Copyright (C) Andrew Tridgell 2001
   5    Copyright (C) Remus Koos 2001
   6    Copyright (C) Andrew Bartlett 2001
   7
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #include "includes.h"
  25
  26 /*
  27   build a ADS_STATUS structure
  28 */
  29 ADS_STATUS ads_build_error(enum ads_error_type etype,
  30                            int rc, int minor_status)
  31 {
  32         ADS_STATUS ret;
  33
  34         if (etype == ENUM_ADS_ERROR_NT) {
  35                 DEBUG(0,("don't use ads_build_error with ENUM_ADS_ERROR_NT!\n"));
  36                 ret.err.rc = -1;
  37                 ret.error_type = ENUM_ADS_ERROR_SYSTEM;
  38                 ret.minor_status = 0;
  39                 return ret;
  40         }
  41
  42         ret.err.rc = rc;
  43         ret.error_type = etype;
  44         ret.minor_status = minor_status;
  45         return ret;
  46 }
  47
  48 ADS_STATUS ads_build_nt_error(enum ads_error_type etype,
  49                            NTSTATUS nt_status)
  50 {
  51         ADS_STATUS ret;
  52
  53         if (etype != ENUM_ADS_ERROR_NT) {
  54                 DEBUG(0,("don't use ads_build_nt_error without ENUM_ADS_ERROR_NT!\n"));
  55                 ret.err.rc = -1;
  56                 ret.error_type = ENUM_ADS_ERROR_SYSTEM;
  57                 ret.minor_status = 0;
  58                 return ret;
  59         }
  60         ret.err.nt_status = nt_status;
  61         ret.error_type = etype;
  62         ret.minor_status = 0;
  63         return ret;
  64 }
  65
  66 /*
  67   do a rough conversion between ads error codes and NT status codes
  68   we'll need to fill this in more
  69 */
  70 NTSTATUS ads_ntstatus(ADS_STATUS status)
  71 {
  72         if (status.error_type == ENUM_ADS_ERROR_NT){
  73                 return status.err.nt_status;
  74         }
  75 #ifdef HAVE_LDAP
  76         if ((status.error_type == ENUM_ADS_ERROR_LDAP)
  77             && (status.err.rc == LDAP_NO_MEMORY)) {
  78                 return NT_STATUS_NO_MEMORY;
  79         }
  80 #endif
  81 #ifdef HAVE_KRB5
  82         if (status.error_type == ENUM_ADS_ERROR_KRB5) {
  83                 if (status.err.rc == KRB5KDC_ERR_PREAUTH_FAILED) {
  84                         return NT_STATUS_LOGON_FAILURE;
  85                 } else if (status.err.rc == KRB5_KDC_UNREACH) {
  86                         return NT_STATUS_NO_LOGON_SERVERS;
  87                 }
  88         }
  89 #endif
  90         if (ADS_ERR_OK(status)) return NT_STATUS_OK;
  91         return NT_STATUS_UNSUCCESSFUL;
  92 }
  93
  94 /*
  95   return a string for an error from a ads routine
  96 */
  97 const char *ads_errstr(ADS_STATUS status)
  98 {
  99         static char *ret;
 100
 101         SAFE_FREE(ret);
 102
 103         switch (status.error_type) {
 104         case ENUM_ADS_ERROR_SYSTEM:
 105                 return strerror(status.err.rc);
 106 #ifdef HAVE_LDAP
 107         case ENUM_ADS_ERROR_LDAP:
 108                 return ldap_err2string(status.err.rc);
 109 #endif
 110 #ifdef HAVE_KRB5
 111         case ENUM_ADS_ERROR_KRB5:
 112                 return error_message(status.err.rc);
 113 #endif
 114 #ifdef HAVE_GSSAPI
 115         case ENUM_ADS_ERROR_GSS:
 116         {
 117                 uint32 msg_ctx;
 118                 uint32 minor;
 119                 gss_buffer_desc msg1, msg2;
 120
 121                 msg_ctx = 0;
 122
 123                 msg1.value = NULL;
 124                 msg2.value = NULL;
 125                 gss_display_status(&minor, status.err.rc, GSS_C_GSS_CODE,
 126                                    GSS_C_NULL_OID, &msg_ctx, &msg1);
 127                 gss_display_status(&minor, status.minor_status, GSS_C_MECH_CODE,
 128                                    GSS_C_NULL_OID, &msg_ctx, &msg2);
 129                 asprintf(&ret, "%s : %s", (char *)msg1.value, (char *)msg2.value);
 130                 gss_release_buffer(&minor, &msg1);
 131                 gss_release_buffer(&minor, &msg2);
 132                 return ret;
 133         }
 134 #endif
 135         case ENUM_ADS_ERROR_NT:
 136                 return get_friendly_nt_error_msg(ads_ntstatus(status));
 137         default:
 138                 return "Unknown ADS error type!? (not compiled in?)";
 139         }
 140
 141 }
 142
 143