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Viewing changes to source4/dsdb/repl/drepl_fsmo.c

  • Committer: Package Import Robot
  • Author(s): Chuck Short
  • Date: 2011-12-21 13:18:04 UTC
  • mfrom: (0.39.21 sid)
  • Revision ID: package-import@ubuntu.com-20111221131804-xtlr39wx6njehxxr
Tags: 2:3.6.1-3ubuntu1
* Merge from Debian testing.  Remaining changes:
  + debian/patches/VERSION.patch:
    - set SAMBA_VERSION_SUFFIX to Ubuntu.
  + debian/patches/error-trans.fix-276472:
    - Add the translation of Unix Error code -ENOTSUP to NT Error Code
    - NT_STATUS_NOT_SUPPORTED to prevent the Permission denied error.
  + debian/smb.conf:
    - add "(Samba, Ubuntu)" to server string.
    - comment out the default [homes] share, and add a comment about
      "valid users = %S" to show users how to restrict access to
      \\server\username to only username.
    - Set 'usershare allow guests', so that usershare admins are 
      allowed to create public shares in addition to authenticated
      ones.
    - add map to guest = Bad user, maps bad username to guest access.
  + debian/samba-common.config:
    - Do not change priority to high if dhclient3 is installed.
    - Use priority medium instead of high for the workgroup question.
  + debian/control:
    - Don't build against or suggest ctdb.
    - Add dependency on samba-common-bin to samba.
  + Add ufw integration:
    - Created debian/samba.ufw.profile
    - debian/rules, debian/samba.dirs, debian/samba.files: install
      profile
    - debian/control: have samba suggest ufw
  + Add apport hook:
    - Created debian/source_samba.py.
    - debian/rules, debian/samba.dirs, debian/samba-common-bin.files: install
  + Switch to upstart:
    - Add debian/samba.{nmbd,smbd}.upstart.
  + debian/samba.logrotate, debian/samba-common.dhcp, debian/samba.if-up:
    - Make them upstart compatible
  + debian/samba.postinst: 
    - Avoid scary pdbedit warnings on first import.
  + debian/samba-common.postinst: Add more informative error message for
    the case where smb.conf was manually deleted
  + debian/patches/fix-debuglevel-name-conflict.patch: don't use 'debug_level'
    as a global variable name in an NSS module 
  + Dropped:
    - debian/patches/error-trans.fix-276472
    - debian/patches/fix-debuglevel-name-conflict.patch

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source4/dsdb/repl/drepl_fsmo.c
 
1
/*
 
2
   Unix SMB/CIFS mplementation.
 
3
 
 
4
   DSDB replication service - FSMO role change
 
5
 
 
6
   Copyright (C) Nadezhda Ivanova 2010
 
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   Copyright (C) Andrew Tridgell 2010
 
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   Copyright (C) Andrew Bartlett 2010
 
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   Copyright (C) Anatoliy Atanasov 2010
 
10
 
 
11
   based on drepl_ridalloc.c
 
12
 
 
13
   This program is free software; you can redistribute it and/or modify
 
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   it under the terms of the GNU General Public License as published by
 
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   the Free Software Foundation; either version 3 of the License, or
 
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   (at your option) any later version.
 
17
 
 
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   This program is distributed in the hope that it will be useful,
 
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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   GNU General Public License for more details.
 
22
 
 
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   You should have received a copy of the GNU General Public License
 
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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*/
 
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#include "includes.h"
 
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#include "dsdb/samdb/samdb.h"
 
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#include "smbd/service.h"
 
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#include "dsdb/repl/drepl_service.h"
 
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#include "param/param.h"
 
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static void drepl_role_callback(struct dreplsrv_service *service,
 
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                                WERROR werr,
 
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                                enum drsuapi_DsExtendedError ext_err,
 
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                                void *cb_data)
 
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{
 
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        if (!W_ERROR_IS_OK(werr)) {
 
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                DEBUG(0,(__location__ ": Failed role transfer - %s - extended_ret[0x%X]\n",
 
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                         win_errstr(werr), ext_err));
 
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        } else {
 
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                DEBUG(0,(__location__ ": Successful role transfer\n"));
 
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        }
 
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}
 
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static bool fsmo_master_cmp(struct ldb_dn *ntds_dn, struct ldb_dn *role_owner_dn)
 
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{
 
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        if (ldb_dn_compare(ntds_dn, role_owner_dn) == 0) {
 
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                DEBUG(0,("\nWe are the FSMO master.\n"));
 
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                return true;
 
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        }
 
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        return false;
 
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}
 
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/*
 
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  see which role is we are asked to assume, initialize data and send request
 
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 */
 
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WERROR dreplsrv_fsmo_role_check(struct dreplsrv_service *service,
 
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                                enum drepl_role_master role)
 
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{
 
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        struct ldb_dn *role_owner_dn, *fsmo_role_dn, *ntds_dn;
 
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        TALLOC_CTX *tmp_ctx = talloc_new(service);
 
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        uint64_t fsmo_info = 0;
 
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        enum drsuapi_DsExtendedOperation extended_op = DRSUAPI_EXOP_NONE;
 
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        WERROR werr;
 
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        ntds_dn = samdb_ntds_settings_dn(service->samdb);
 
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        if (!ntds_dn) {
 
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                return WERR_DS_DRA_INTERNAL_ERROR;
 
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        }
 
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        werr = dsdb_get_fsmo_role_info(tmp_ctx, service->samdb, role,
 
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                                       &fsmo_role_dn, &role_owner_dn);
 
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        if (!W_ERROR_IS_OK(werr)) {
 
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                return werr;
 
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        }
 
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        switch (role) {
 
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        case DREPL_NAMING_MASTER:
 
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        case DREPL_INFRASTRUCTURE_MASTER:
 
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        case DREPL_SCHEMA_MASTER:
 
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                extended_op = DRSUAPI_EXOP_FSMO_REQ_ROLE;
 
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                break;
 
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        case DREPL_RID_MASTER:
 
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                extended_op = DRSUAPI_EXOP_FSMO_RID_REQ_ROLE;
 
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                break;
 
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        case DREPL_PDC_MASTER:
 
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                extended_op = DRSUAPI_EXOP_FSMO_REQ_PDC;
 
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                break;
 
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        default:
 
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                return WERR_DS_DRA_INTERNAL_ERROR;
 
93
        }
 
94
 
 
95
        if (fsmo_master_cmp(ntds_dn, role_owner_dn) ||
 
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            (extended_op == DRSUAPI_EXOP_NONE)) {
 
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                DEBUG(0,("FSMO role check failed for DN %s and owner %s ",
 
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                         ldb_dn_get_linearized(fsmo_role_dn),
 
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                         ldb_dn_get_linearized(role_owner_dn)));
 
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                return WERR_OK;
 
101
        }
 
102
 
 
103
        werr = drepl_request_extended_op(service,
 
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                                         fsmo_role_dn,
 
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                                         role_owner_dn,
 
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                                         extended_op,
 
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                                         fsmo_info,
 
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                                         0,
 
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                                         drepl_role_callback,
 
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                                         NULL);
 
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        if (W_ERROR_IS_OK(werr)) {
 
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                dreplsrv_run_pending_ops(service);
 
113
        } else {
 
114
                DEBUG(0,("%s: drepl_request_extended_op() failed with %s",
 
115
                         __FUNCTION__, win_errstr(werr)));
 
116
        }
 
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        return werr;
 
118
}