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|
<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004 Ian Berry |
| |
| 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. |
+-------------------------------------------------------------------------+
| cacti: a php-based graphing solution |
+-------------------------------------------------------------------------+
| Most of this code has been designed, written and is maintained by |
| Ian Berry. See about.php for specific developer credit. Any questions |
| or comments regarding this code should be directed to: |
| - iberry@raxnet.net |
+-------------------------------------------------------------------------+
| - raXnet - http://www.raxnet.net/ |
+-------------------------------------------------------------------------+
*/
$no_http_headers = true;
/* do NOT run this script through a web browser */
if (!isset($_SERVER["argv"][0])) {
die("<br><strong>This script is only meant to run at the command line.</strong>");
exit(-1);
}
/* define STDOUT/STDIN file descriptors if not running under CLI */
if (php_sapi_name() != "cli") {
define("STDIN", fopen('php://stdin', 'r'));
define("STDOUT", fopen('php://stdout', 'w'));
ini_set("max_execution_time", "296");
}
/* used for includes */
error_reporting(0);
include_once(dirname(__FILE__) . "/include/config.php");
/* Record the calling environment */
if ($_SERVER["argc"] >= 2) {
if ($_SERVER["argv"][1] == "cactid")
$environ = "cactid";
else
if (($_SERVER["argv"][1] == "cmd.php") || ($_SERVER["argv"][1] == "cmd"))
$environ = "cmd";
else
$environ = "other";
if ($_SERVER["argc"] == 3)
$poller_id = $_SERVER["argv"][2];
else
$poller_id = 0;
} else {
$environ = "cmd";
$poller_id = 0;
}
if(read_config_option("log_verbosity") == POLLER_VERBOSITY_DEBUG) {
cacti_log("DEBUG: SERVER: " . $environ, false, "PHPSVR");
if ($config["cacti_server_os"] == "win32") {
cacti_log("DEBUG: GETCWD: " . strtolower(strtr(getcwd(),"\\","/")), false, "PHPSVR");
cacti_log("DEBUG: DIRNAM: " . strtolower(strtr(dirname(__FILE__),"\\","/")), false, "PHPSVR");
}else{
cacti_log("DEBUG: GETCWD: " . strtr(getcwd(),"\\","/"), false, "PHPSVR");
cacti_log("DEBUG: DIRNAM: " . strtr(dirname(__FILE__),"\\","/"), false, "PHPSVR");
}
cacti_log("DEBUG: FILENM: " . __FILE__, false, "PHPSVR");
}
/* send status back to the server */
if (read_config_option("log_verbosity") >= POLLER_VERBOSITY_HIGH) {
cacti_log("PHP Script Server has Started - Parent is " . $environ, false, "PHPSVR");
}
fputs(STDOUT, "PHP Script Server has Started - Parent is " . $environ . "\n");
fflush(STDOUT);
/* process waits for input and then calls functions as required */
while (1) {
$result = "";
$command_array = explode(" ", fgets(STDIN,1024), 3);
/* this will happen when the parent crashes, so log the event */
if (sizeof($command_array) == 0) {
cacti_log("ERROR: Input Expected, Script Server Terminating", false, "PHPSVR");
fputs(STDOUT, "ERROR: Input Expected, Script Server Terminating\n");
/* parent abended, let's show the parent as done */
db_execute("insert into poller_time (poller_id, start_time, end_time) values (0, NOW(), NOW())");
exit (-1);
}
/* user has requested to quit */
if (substr_count($command_array[0], "quit")) {
fputs(STDOUT, "PHP Script Server Shutdown request received, exiting\n");
if (read_config_option("log_verbosity") == POLLER_VERBOSITY_DEBUG) {
cacti_log("DEBUG: PHP Script Server Shutdown request received, exiting", false, "PHPSVR");
}
exit(1);
}
/* valid command entered to system, parse and execute */
if (isset($command_array[0])) {
$include_file = trim($command_array[0]);
}else{
$include_file = "";
}
if (isset($command_array[1])) {
$function = trim($command_array[1]);
}else{
$function = "";
}
if (isset($command_array[2])) {
$parameters = trim($command_array[2]);
$parameter_array = explode(" ", trim($command_array[2]));
}else{
$parameters = "";
$parameters_array = array();
}
if (read_config_option("log_verbosity") == POLLER_VERBOSITY_DEBUG) {
cacti_log("DEBUG: INC: '". $include_file . "' FUNC: '" .$function . "' PARMS: '" . $parameters . "'", false, "PHPSVR");
}
/* validate the existance of the function, and include if applicable */
if (!function_exists($function)) {
if (file_exists($include_file)) {
/* quirk in php on Windows, believe it or not.... */
/* path must be lower case */
if ($config["cacti_server_os"] == "win32") {
$include_file = strtolower($include_file);
}
/* set this variable so the calling script can determine if it was called
* by the script server or stand-alone */
$called_by_script_server = true;
include_once($include_file);
} else {
cacti_log("WARNING: PHP Script File to be included, does not exist", false, "PHPSVR");
}
}
if (function_exists($function)) {
if ($parameters == "") {
$result = call_user_func($function);
} else {
$result = call_user_func_array($function, $parameter_array);
}
if (!validate_result($result)) {
$result = "U";
}
if (strpos($result,"\n") != 0) {
fputs(STDOUT, $result);
fflush(STDOUT);
} else {
fputs(STDOUT, $result . "\n");
fflush(STDOUT);
}
} else {
cacti_log("WARNING: Function does not exist", false, "PHPSVR");
fputs(STDOUT, "WARNING: Function does not exist\n");
}
}
?>
|
