source: vendor/3.6.23/source3/utils/net_serverid.c

/*
   Samba Unix/Linux SMB client library
   net serverid commands
   Copyright (C) Volker Lendecke 2010

   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 "utils/net.h"
#include "dbwrap.h"
#include "serverid.h"
#include "session.h"

static int net_serverid_list_fn(const struct server_id *id,
                                uint32_t msg_flags, void *priv)
{
        char *str = procid_str(talloc_tos(), id);
        d_printf("%s %llu 0x%x\n", str, (unsigned long long)id->unique_id,
                 (unsigned int)msg_flags);
        TALLOC_FREE(str);
        return 0;
}

static int net_serverid_list(struct net_context *c, int argc,
                             const char **argv)
{
        if (!serverid_init_readonly(c)) {
                d_printf("failed to open serverid.tdb\n");
                return -1;
        }
        d_printf("pid unique_id msg_flags\n");
        return serverid_traverse_read(net_serverid_list_fn, NULL) ? 0 : -1;
}

static int net_serverid_wipe_fn(struct db_record *rec,
                                const struct server_id *id,
                                uint32_t msg_flags, void *private_data)
{
        NTSTATUS status;

        if (id->vnn != get_my_vnn()) {
                return 0;
        }
        status = rec->delete_rec(rec);
        if (!NT_STATUS_IS_OK(status)) {
                char *str = procid_str(talloc_tos(), id);
                DEBUG(1, ("Could not delete serverid.tdb record %s: %s\n",
                          str, nt_errstr(status)));
                TALLOC_FREE(str);
        }
        return 0;
}

static int net_serverid_wipe(struct net_context *c, int argc,
                             const char **argv)
{
        return serverid_traverse(net_serverid_wipe_fn, NULL) ? 0 : -1;
}

static int net_serverid_wipedbs_conn(
        struct db_record *rec,
        const struct connections_key *key,
        const struct connections_data *data,
        void *private_data)
{
        if (!serverid_exists(&key->pid)) {
                NTSTATUS status;

                DEBUG(10, ("Deleting connections.tdb record for pid %s\n",
                           procid_str(talloc_tos(), &key->pid)));

                status = rec->delete_rec(rec);
                if (!NT_STATUS_IS_OK(status)) {
                        DEBUG(1, ("Could not delete connections.tdb record "
                                  "for pid %s: %s\n",
                                  procid_str(talloc_tos(), &key->pid),
                                  nt_errstr(status)));
                }
        }
        return 0;
}

static int net_serverid_wipedbs_sessionid(struct db_record *rec,
                                          const char *key,
                                          struct sessionid *session,
                                          void *private_data)
{
        if (!serverid_exists(&session->pid)) {
                NTSTATUS status;

                DEBUG(10, ("Deleting sessionid.tdb record for pid %s\n",
                           procid_str(talloc_tos(), &session->pid)));

                status = rec->delete_rec(rec);
                if (!NT_STATUS_IS_OK(status)) {
                        DEBUG(1, ("Could not delete session.tdb record "
                                  "for pid %s: %s\n",
                                  procid_str(talloc_tos(), &session->pid),
                                  nt_errstr(status)));
                }
        }
        return 0;
}

static int net_serverid_wipedbs(struct net_context *c, int argc,
                                const char **argv)
{
        if (!sessionid_init()) {
                d_printf("failed to open sessionid.tdb\n");
                return -1;
        };

        connections_forall(net_serverid_wipedbs_conn, NULL);
        sessionid_traverse(net_serverid_wipedbs_sessionid, NULL);
        return 0;
}

int net_serverid(struct net_context *c, int argc, const char **argv)
{
        struct functable func[] = {
                {
                        "list",
                        net_serverid_list,
                        NET_TRANSPORT_LOCAL,
                        N_("List all entries from serverid.tdb"),
                        N_("net serverid list\n"
                           "    List all entries from serverid.tdb")
                },
                {
                        "wipe",
                        net_serverid_wipe,
                        NET_TRANSPORT_LOCAL,
                        N_("Wipe the serverid.tdb for the current node"),
                        N_("net serverid wipe\n"
                           "    Wipe the serverid.tdb for the current node")
                },
                {
                        "wipedbs",
                        net_serverid_wipedbs,
                        NET_TRANSPORT_LOCAL,
                        N_("Clean dead entries from connections.tdb and "
                           "sessionid.tdb"),
                        N_("net serverid wipedbs\n"
                           "    Clean dead entries from connections.tdb and "
                           "sessionid.tdb")
                },
                {NULL, NULL, 0, NULL, NULL}
        };

        return net_run_function(c, argc, argv, "net serverid", func);
}