source4/auth/ntlm/auth_developer.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Generic authentication types
   4    Copyright (C) Andrew Bartlett         2001-2002
   5    Copyright (C) Jelmer Vernooij              2002
   6    Copyright (C) Stefan Metzmacher            2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "auth/auth.h"
  24 #include "auth/ntlm/auth_proto.h"
  25 #include "libcli/security/security.h"
  26
  27 _PUBLIC_ NTSTATUS auth4_developer_init(TALLOC_CTX *);
  28
  29 static NTSTATUS name_to_ntstatus_want_check(struct auth_method_context *ctx,
  30                                             TALLOC_CTX *mem_ctx,
  31                                             const struct auth_usersupplied_info *user_info)
  32 {
  33         return NT_STATUS_OK;
  34 }
  35
  36 /**
  37  * Return an error based on username
  38  *
  39  * This function allows the testing of obsure errors, as well as the generation
  40  * of NT_STATUS -> DOS error mapping tables.
  41  *
  42  * This module is of no value to end-users.
  43  *
  44  * The password is ignored.
  45  *
  46  * @return An NTSTATUS value based on the username
  47  **/
  48
  49 static NTSTATUS name_to_ntstatus_check_password(struct auth_method_context *ctx,
  50                                                 TALLOC_CTX *mem_ctx,
  51                                                 const struct auth_usersupplied_info *user_info,
  52                                                 struct auth_user_info_dc **_user_info_dc,
  53                                                 bool *authoritative)
  54 {
  55         NTSTATUS nt_status;
  56         struct auth_user_info_dc *user_info_dc;
  57         struct auth_user_info *info;
  58         uint32_t error_num;
  59         const char *user;
  60
  61         user = user_info->client.account_name;
  62
  63         if (strncasecmp("NT_STATUS", user, strlen("NT_STATUS")) == 0) {
  64                 nt_status = nt_status_string_to_code(user);
  65         } else {
  66                 error_num = strtoul(user, NULL, 16);
  67                 DEBUG(5,("name_to_ntstatus_check_password: Error for user %s was 0x%08X\n", user, error_num));
  68                 nt_status = NT_STATUS(error_num);
  69         }
  70         NT_STATUS_NOT_OK_RETURN(nt_status);
  71
  72         user_info_dc = talloc(mem_ctx, struct auth_user_info_dc);
  73         NT_STATUS_HAVE_NO_MEMORY(user_info_dc);
  74
  75         /* This returns a pointer to a struct dom_sid, which is the
  76          * same as a 1 element list of struct dom_sid */
  77         user_info_dc->num_sids = 1;
  78         user_info_dc->sids = dom_sid_parse_talloc(user_info_dc, SID_NT_ANONYMOUS);
  79         NT_STATUS_HAVE_NO_MEMORY(user_info_dc->sids);
  80
  81         /* annoying, but the Anonymous really does have a session key,
  82            and it is all zeros! */
  83         user_info_dc->user_session_key = data_blob_talloc(user_info_dc, NULL, 16);
  84         NT_STATUS_HAVE_NO_MEMORY(user_info_dc->user_session_key.data);
  85
  86         user_info_dc->lm_session_key = data_blob_talloc(user_info_dc, NULL, 16);
  87         NT_STATUS_HAVE_NO_MEMORY(user_info_dc->lm_session_key.data);
  88
  89         data_blob_clear(&user_info_dc->user_session_key);
  90         data_blob_clear(&user_info_dc->lm_session_key);
  91
  92         user_info_dc->info = info = talloc_zero(user_info_dc, struct auth_user_info);
  93         NT_STATUS_HAVE_NO_MEMORY(user_info_dc->info);
  94
  95         info->account_name = talloc_asprintf(user_info_dc, "NAME TO NTSTATUS %s ANONYMOUS LOGON", user);
  96         NT_STATUS_HAVE_NO_MEMORY(info->account_name);
  97
  98         info->domain_name = talloc_strdup(user_info_dc, "NT AUTHORITY");
  99         NT_STATUS_HAVE_NO_MEMORY(info->domain_name);
 100
 101         info->full_name = talloc_asprintf(user_info_dc, "NAME TO NTSTATUS %s Anonymous Logon", user);
 102         NT_STATUS_HAVE_NO_MEMORY(info->full_name);
 103
 104         info->logon_script = talloc_strdup(user_info_dc, "");
 105         NT_STATUS_HAVE_NO_MEMORY(info->logon_script);
 106
 107         info->profile_path = talloc_strdup(user_info_dc, "");
 108         NT_STATUS_HAVE_NO_MEMORY(info->profile_path);
 109
 110         info->home_directory = talloc_strdup(user_info_dc, "");
 111         NT_STATUS_HAVE_NO_MEMORY(info->home_directory);
 112
 113         info->home_drive = talloc_strdup(user_info_dc, "");
 114         NT_STATUS_HAVE_NO_MEMORY(info->home_drive);
 115
 116         info->last_logon = 0;
 117         info->last_logoff = 0;
 118         info->acct_expiry = 0;
 119         info->last_password_change = 0;
 120         info->allow_password_change = 0;
 121         info->force_password_change = 0;
 122
 123         info->logon_count = 0;
 124         info->bad_password_count = 0;
 125
 126         info->acct_flags = ACB_NORMAL;
 127
 128         info->authenticated = true;
 129
 130         *_user_info_dc = user_info_dc;
 131
 132         return nt_status;
 133 }
 134
 135 static const struct auth_operations name_to_ntstatus_auth_ops = {
 136         .name           = "name_to_ntstatus",
 137         .want_check     = name_to_ntstatus_want_check,
 138         .check_password = name_to_ntstatus_check_password
 139 };
 140
 141 _PUBLIC_ NTSTATUS auth4_developer_init(TALLOC_CTX *ctx)
 142 {
 143         NTSTATUS ret;
 144
 145         ret = auth_register(ctx, &name_to_ntstatus_auth_ops);
 146         if (!NT_STATUS_IS_OK(ret)) {
 147                 DEBUG(0,("Failed to register 'name_to_ntstatus' auth backend!\n"));
 148                 return ret;
 149         }
 150
 151         return ret;
 152 }