/* ** Copyright (C) 2001-2025 Zabbix SIA ** ** This program is free software: you can redistribute it and/or modify it under the terms of ** the GNU Affero General Public License as published by the Free Software Foundation, version 3. ** ** 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 Affero General Public License for more details. ** ** You should have received a copy of the GNU Affero General Public License along with this program. ** If not, see <https://www.gnu.org/licenses/>. **/ #include "taskmanager_server.h" #include "zbxdb.h" #include "zbxdbhigh.h" #include "zbxnum.h" #include "zbxtasks.h" #include "zbxversion.h" /****************************************************************************** * * * Purpose: gets tasks scheduled to be executed on proxy * * * * Parameters: tasks - [OUT] tasks to execute * * proxyid - [IN] target proxy * * compatibility - [IN] proxy version compatibility with server * * * * Comments: This function is used by server to get tasks to be sent to the * * specified proxy. Expired tasks are ignored and handled by the * * server task manager. * * All tasks are disabled on unsupported proxies. Only remote * * command and check now are supported by outdated proxies. * * * ******************************************************************************/ void zbx_tm_get_remote_tasks(zbx_vector_tm_task_t *tasks, zbx_uint64_t proxyid, zbx_proxy_compatibility_t compatibility) { zbx_db_result_t result; zbx_db_row_t row; if (ZBX_PROXY_VERSION_UNDEFINED == compatibility || ZBX_PROXY_VERSION_UNSUPPORTED == compatibility) return; /* skip tasks past expiry data - task manager will handle them */ result = zbx_db_select( "select t.taskid,t.type,t.clock,t.ttl," "c.command_type,c.execute_on,c.port,c.authtype,c.username,c.password,c.publickey," "c.privatekey,c.command,c.alertid,c.parent_taskid,c.hostid," "cn.itemid," "d.data,d.parent_taskid,d.type" " from task t" " left join task_remote_command c" " on t.taskid=c.taskid" " left join task_check_now cn" " on t.taskid=cn.taskid" " left join task_data d" " on t.taskid=d.taskid" " where t.status=%d" " and t.proxyid=" ZBX_FS_UI64 " and (t.ttl=0 or t.clock+t.ttl>" ZBX_FS_TIME_T ")" " order by t.taskid", ZBX_TM_STATUS_NEW, proxyid, (zbx_fs_time_t)time(NULL)); while (NULL != (row = zbx_db_fetch(result))) { zbx_uint64_t taskid, alertid, parent_taskid, hostid, itemid; zbx_tm_task_t *task; ZBX_STR2UINT64(taskid, row[0]); task = zbx_tm_task_create(taskid, atoi(row[1]), ZBX_TM_STATUS_NEW, atoi(row[2]), atoi(row[3]), 0); switch (task->type) { case ZBX_TM_TASK_REMOTE_COMMAND: if (SUCCEED == zbx_db_is_null(row[4])) { zbx_free(task); continue; } ZBX_DBROW2UINT64(alertid, row[13]); ZBX_DBROW2UINT64(parent_taskid, row[14]); ZBX_DBROW2UINT64(hostid, row[15]); task->data = (void *)zbx_tm_remote_command_create(atoi(row[4]), row[12], atoi(row[5]), atoi(row[6]), atoi(row[7]), row[8], row[9], row[10], row[11], parent_taskid, hostid, alertid); break; case ZBX_TM_TASK_CHECK_NOW: if (SUCCEED == zbx_db_is_null(row[16])) { zbx_free(task); continue; } ZBX_STR2UINT64(itemid, row[16]); task->data = (void *)zbx_tm_check_now_create(itemid); break; case ZBX_TM_TASK_DATA: if (ZBX_PROXY_VERSION_OUTDATED == compatibility || SUCCEED == zbx_db_is_null(row[17])) { zbx_free(task); continue; } ZBX_STR2UINT64(parent_taskid, row[18]); task->data = (void *)zbx_tm_data_create(parent_taskid, row[17], strlen(row[17]), atoi(row[19])); break; } zbx_vector_tm_task_append(tasks, task); } zbx_db_free_result(result); }