source3/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 3 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, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #include "includes.h"
  24 #include "smb_krb5.h"
  25 #include "system/gssapi.h"
  26 #include "smb_ldap.h"
  27 #include "libads/ads_status.h"
  28
  29 /*
  30   build a ADS_STATUS structure
  31 */
  32 ADS_STATUS ads_build_error(enum ads_error_type etype,
  33                            int rc, int minor_status)
  34 {
  35         ADS_STATUS ret;
  36
  37         if (etype == ENUM_ADS_ERROR_NT) {
  38                 DEBUG(0,("don't use ads_build_error with ENUM_ADS_ERROR_NT!\n"));
  39                 ret.err.rc = -1;
  40                 ret.error_type = ENUM_ADS_ERROR_SYSTEM;
  41                 ret.minor_status = 0;
  42                 return ret;
  43         }
  44
  45         ret.err.rc = rc;
  46         ret.error_type = etype;
  47         ret.minor_status = minor_status;
  48         return ret;
  49 }
  50
  51 ADS_STATUS ads_build_nt_error(enum ads_error_type etype,
  52                            NTSTATUS nt_status)
  53 {
  54         ADS_STATUS ret;
  55
  56         if (etype != ENUM_ADS_ERROR_NT) {
  57                 DEBUG(0,("don't use ads_build_nt_error without ENUM_ADS_ERROR_NT!\n"));
  58                 ret.err.rc = -1;
  59                 ret.error_type = ENUM_ADS_ERROR_SYSTEM;
  60                 ret.minor_status = 0;
  61                 return ret;
  62         }
  63         ret.err.nt_status = nt_status;
  64         ret.error_type = etype;
  65         ret.minor_status = 0;
  66         return ret;
  67 }
  68
  69 /*
  70   do a rough conversion between ads error codes and NT status codes
  71   we'll need to fill this in more
  72 */
  73 NTSTATUS ads_ntstatus(ADS_STATUS status)
  74 {
  75         switch (status.error_type) {
  76         case ENUM_ADS_ERROR_NT:
  77                 return status.err.nt_status;
  78         case ENUM_ADS_ERROR_SYSTEM:
  79                 return map_nt_error_from_unix(status.err.rc);
  80 #ifdef HAVE_LDAP
  81         case ENUM_ADS_ERROR_LDAP:
  82                 if (status.err.rc == LDAP_SUCCESS) {
  83                         return NT_STATUS_OK;
  84                 }
  85                 if (status.err.rc == LDAP_TIMELIMIT_EXCEEDED) {
  86                         return NT_STATUS_IO_TIMEOUT;
  87                 }
  88                 return NT_STATUS_LDAP(status.err.rc);
  89 #endif
  90 #ifdef HAVE_KRB5
  91         case ENUM_ADS_ERROR_KRB5:
  92                 return krb5_to_nt_status(status.err.rc);
  93 #endif
  94         default:
  95                 break;
  96         }
  97
  98         if (ADS_ERR_OK(status)) {
  99                 return NT_STATUS_OK;
 100         }
 101         return NT_STATUS_UNSUCCESSFUL;
 102 }
 103
 104 /*
 105   return a string for an error from a ads routine
 106 */
 107 const char *ads_errstr(ADS_STATUS status)
 108 {
 109         switch (status.error_type) {
 110         case ENUM_ADS_ERROR_SYSTEM:
 111                 return strerror(status.err.rc);
 112 #ifdef HAVE_LDAP
 113         case ENUM_ADS_ERROR_LDAP:
 114                 return ldap_err2string(status.err.rc);
 115 #endif
 116 #ifdef HAVE_KRB5
 117         case ENUM_ADS_ERROR_KRB5:
 118                 return error_message(status.err.rc);
 119         case ENUM_ADS_ERROR_GSS:
 120         {
 121                 char *ret;
 122                 uint32 msg_ctx;
 123                 uint32 minor;
 124                 gss_buffer_desc msg1, msg2;
 125
 126                 msg_ctx = 0;
 127
 128                 msg1.value = NULL;
 129                 msg2.value = NULL;
 130                 gss_display_status(&minor, status.err.rc, GSS_C_GSS_CODE,
 131                                    GSS_C_NULL_OID, &msg_ctx, &msg1);
 132                 gss_display_status(&minor, status.minor_status, GSS_C_MECH_CODE,
 133                                    GSS_C_NULL_OID, &msg_ctx, &msg2);
 134                 ret = talloc_asprintf(talloc_tos(), "%s : %s",
 135                                       (char *)msg1.value, (char *)msg2.value);
 136                 SMB_ASSERT(ret != NULL);
 137                 gss_release_buffer(&minor, &msg1);
 138                 gss_release_buffer(&minor, &msg2);
 139                 return ret;
 140         }
 141 #endif
 142         case ENUM_ADS_ERROR_NT:
 143                 return get_friendly_nt_error_msg(ads_ntstatus(status));
 144         default:
 145                 return "Unknown ADS error type!? (not compiled in?)";
 146         }
 147 }
 148
 149 #ifdef HAVE_KRB5
 150 NTSTATUS gss_err_to_ntstatus(uint32 maj, uint32 min)
 151 {
 152         ADS_STATUS adss = ADS_ERROR_GSS(maj, min);
 153         DEBUG(10,("gss_err_to_ntstatus: Error %s\n",
 154                 ads_errstr(adss) ));
 155         return ads_ntstatus(adss);
 156 }
 157 #endif