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/*
** Zabbix
** Copyright (C) 2001-2013 Zabbix SIA
**
** 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 2 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, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
#include "common.h"
#include "sysinfo.h"
#include "log.h"
#include "file.h"
#include "http.h"
#include "net.h"
#include "system.h"
#include "zbxexec.h"
#if !defined(_WINDOWS)
# define VFS_TEST_FILE "/etc/passwd"
# define VFS_TEST_REGEXP "root"
#else
# define VFS_TEST_FILE "c:\\windows\\win.ini"
# define VFS_TEST_REGEXP "fonts"
#endif
extern int CONFIG_TIMEOUT;
static int ONLY_ACTIVE(AGENT_REQUEST *request, AGENT_RESULT *result);
static int SYSTEM_RUN(AGENT_REQUEST *request, AGENT_RESULT *result);
ZBX_METRIC parameters_common[] =
/* KEY FLAG FUNCTION TEST PARAMETERS */
{
{"system.localtime", CF_HAVEPARAMS, SYSTEM_LOCALTIME, "utc"},
{"system.run", CF_HAVEPARAMS, SYSTEM_RUN, "echo test"},
{"web.page.get", CF_HAVEPARAMS, WEB_PAGE_GET, "localhost,,80"},
{"web.page.perf", CF_HAVEPARAMS, WEB_PAGE_PERF, "localhost,,80"},
{"web.page.regexp", CF_HAVEPARAMS, WEB_PAGE_REGEXP, "localhost,,80,OK"},
{"vfs.file.size", CF_HAVEPARAMS, VFS_FILE_SIZE, VFS_TEST_FILE},
{"vfs.file.time", CF_HAVEPARAMS, VFS_FILE_TIME, VFS_TEST_FILE ",modify"},
{"vfs.file.exists", CF_HAVEPARAMS, VFS_FILE_EXISTS, VFS_TEST_FILE},
{"vfs.file.contents", CF_HAVEPARAMS, VFS_FILE_CONTENTS, VFS_TEST_FILE},
{"vfs.file.regexp", CF_HAVEPARAMS, VFS_FILE_REGEXP, VFS_TEST_FILE "," VFS_TEST_REGEXP},
{"vfs.file.regmatch", CF_HAVEPARAMS, VFS_FILE_REGMATCH, VFS_TEST_FILE "," VFS_TEST_REGEXP},
{"vfs.file.md5sum", CF_HAVEPARAMS, VFS_FILE_MD5SUM, VFS_TEST_FILE},
{"vfs.file.cksum", CF_HAVEPARAMS, VFS_FILE_CKSUM, VFS_TEST_FILE},
{"net.dns", CF_HAVEPARAMS, NET_DNS, ",zabbix.com"},
{"net.dns.record", CF_HAVEPARAMS, NET_DNS_RECORD, ",zabbix.com"},
{"net.tcp.dns", CF_HAVEPARAMS, NET_DNS, ",zabbix.com"}, /* deprecated */
{"net.tcp.dns.query", CF_HAVEPARAMS, NET_DNS_RECORD, ",zabbix.com"}, /* deprecated */
{"net.tcp.port", CF_HAVEPARAMS, NET_TCP_PORT, ",80"},
{"system.users.num", 0, SYSTEM_USERS_NUM, NULL},
{"log", CF_HAVEPARAMS, ONLY_ACTIVE, "logfile"},
{"logrt", CF_HAVEPARAMS, ONLY_ACTIVE, "logfile"},
{"eventlog", CF_HAVEPARAMS, ONLY_ACTIVE, "system"},
{NULL}
};
static int ONLY_ACTIVE(AGENT_REQUEST *request, AGENT_RESULT *result)
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Accessible only as active check!"));
return SYSINFO_RET_FAIL;
}
int EXECUTE_USER_PARAMETER(AGENT_REQUEST *request, AGENT_RESULT *result)
{
int ret;
char *command;
if (1 != request->nparam)
return SYSINFO_RET_FAIL;
command = get_rparam(request, 0);
ret = EXECUTE_STR(command, result);
if (SYSINFO_RET_FAIL == ret && 0 == result->type)
{
/* only whitespace */
SET_TEXT_RESULT(result, zbx_strdup(NULL, ""));
ret = SYSINFO_RET_OK;
}
return ret;
}
int EXECUTE_STR(const char *command, AGENT_RESULT *result)
{
int ret = SYSINFO_RET_FAIL;
char *cmd_result = NULL, error[MAX_STRING_LEN];
assert(result);
init_result(result);
if (SUCCEED != zbx_execute(command, &cmd_result, error, sizeof(error), CONFIG_TIMEOUT))
{
SET_MSG_RESULT(result, zbx_strdup(NULL, error));
goto lbl_exit;
}
zbx_rtrim(cmd_result, ZBX_WHITESPACE);
zabbix_log(LOG_LEVEL_DEBUG, "Run remote command [%s] Result [%d] [%.20s]...",
command, strlen(cmd_result), cmd_result);
if ('\0' == *cmd_result) /* we got whitespace only */
goto lbl_exit;
SET_TEXT_RESULT(result, zbx_strdup(NULL, cmd_result));
ret = SYSINFO_RET_OK;
lbl_exit:
zbx_free(cmd_result);
return ret;
}
int EXECUTE_DBL(const char *command, AGENT_RESULT *result)
{
if (SYSINFO_RET_OK != EXECUTE_STR(command, result))
return SYSINFO_RET_FAIL;
if (NULL == GET_DBL_RESULT(result))
{
zabbix_log(LOG_LEVEL_WARNING, "Remote command [%s] result is not double", command);
return SYSINFO_RET_FAIL;
}
UNSET_RESULT_EXCLUDING(result, AR_DOUBLE);
return SYSINFO_RET_OK;
}
int EXECUTE_INT(const char *command, AGENT_RESULT *result)
{
if (SYSINFO_RET_OK != EXECUTE_STR(command, result))
return SYSINFO_RET_FAIL;
if (NULL == GET_UI64_RESULT(result))
{
zabbix_log(LOG_LEVEL_WARNING, "Remote command [%s] result is not unsigned integer", command);
return SYSINFO_RET_FAIL;
}
UNSET_RESULT_EXCLUDING(result, AR_UINT64);
return SYSINFO_RET_OK;
}
static int SYSTEM_RUN(AGENT_REQUEST *request, AGENT_RESULT *result)
{
char *command, *flag;
if (2 < request->nparam)
return SYSINFO_RET_FAIL;
command = get_rparam(request, 0);
flag = get_rparam(request, 1);
if (NULL == command || '\0' == *command)
return SYSINFO_RET_FAIL;
if (1 == CONFIG_LOG_REMOTE_COMMANDS)
zabbix_log(LOG_LEVEL_WARNING, "Executing command '%s'", command);
else
zabbix_log(LOG_LEVEL_DEBUG, "Executing command '%s'", command);
if (NULL == flag || '\0' == *flag || 0 == strcmp(flag, "wait")) /* default parameter */
return EXECUTE_STR(command, result);
else if (0 != strcmp(flag, "nowait") || SUCCEED != zbx_execute_nowait(command))
return SYSINFO_RET_FAIL;
SET_UI64_RESULT(result, 1);
return SYSINFO_RET_OK;
}
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