|
1
|
<?php
|
|
2
|
|
|
3
|
/*
|
|
4
|
cmd_chain.inc
|
|
5
|
Part of pfSense
|
|
6
|
Copyright (C) 2008 Scott Ullrich
|
|
7
|
All rights reserved.
|
|
8
|
|
|
9
|
Redistribution and use in source and binary forms, with or without
|
|
10
|
modification, are permitted provided that the following conditions are met:
|
|
11
|
|
|
12
|
1. Redistributions of source code must retain the above copyright notice,
|
|
13
|
this list of conditions and the following disclaimer.
|
|
14
|
|
|
15
|
2. Redistributions in binary form must reproduce the above copyright
|
|
16
|
notice, this list of conditions and the following disclaimer in the
|
|
17
|
documentation and/or other materials provided with the distribution.
|
|
18
|
|
|
19
|
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
20
|
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
21
|
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
22
|
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
|
|
23
|
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
24
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
25
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
26
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
27
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
28
|
POSSIBILITY OF SUCH DAMAGE.
|
|
29
|
*/
|
|
30
|
|
|
31
|
/*
|
|
32
|
* HANDY FOR STAND ALONE DEBUGGING OF CLASS.
|
|
33
|
*
|
|
34
|
|
|
35
|
function log_error($text) {
|
|
36
|
echo $text . "\n";
|
|
37
|
}
|
|
38
|
|
|
39
|
*/
|
|
40
|
|
|
41
|
/*
|
|
42
|
* CmdCHAIN allows a chaining of commands into one call.
|
|
43
|
* If debugging is enabled verbose logging is applied.
|
|
44
|
* During the command(s) execution if it fails the result
|
|
45
|
* will be reported to syslog so that the problem can be reported.
|
|
46
|
*/
|
|
47
|
Class CmdCHAIN {
|
|
48
|
|
|
49
|
var $cmd_chain_array = array();
|
|
50
|
var $is_debugging;
|
|
51
|
|
|
52
|
/* clear() erases the current cmdchain */
|
|
53
|
function clear() {
|
|
54
|
unset($cmd_chain_array);
|
|
55
|
$this->cmd_chain_array = array();
|
|
56
|
}
|
|
57
|
|
|
58
|
/* enables log_error() of each command we run */
|
|
59
|
function setdebug() {
|
|
60
|
$this->is_debugging = true;
|
|
61
|
}
|
|
62
|
|
|
63
|
/* adds a command to the CmdCHAIN */
|
|
64
|
function add($cmd_title = "", $command = "", $ignore_return_text = false) {
|
|
65
|
if(!$cmd_title)
|
|
66
|
return;
|
|
67
|
if(!$command)
|
|
68
|
return;
|
|
69
|
$temp = array();
|
|
70
|
$temp['cmd_title'] = $cmd_title;
|
|
71
|
$temp['command'] = $command;
|
|
72
|
if($ignore_return_text)
|
|
73
|
$temp['ignore_return_text'] = true;
|
|
74
|
else
|
|
75
|
$temp['ignore_return_text'] = false;
|
|
76
|
$this->cmd_chain_array[] = $temp; // add array to class
|
|
77
|
return array();
|
|
78
|
}
|
|
79
|
|
|
80
|
/* executes the CmdCHAIN one command at a time */
|
|
81
|
function execute() {
|
|
82
|
foreach($this->cmd_chain_array as $cmd) {
|
|
83
|
$cmd_title = $cmd['cmd_title'];
|
|
84
|
$command = $cmd['command'];
|
|
85
|
$ignore_return_text = $cmd['ignore_return_text'];
|
|
86
|
// Should we perform verbose debugging?
|
|
87
|
if($this->is_debugging == true) {
|
|
88
|
log_error("CmdCHAIN is executing -> {$cmd_title} - {$command}");
|
|
89
|
usleep(100); // give network stack time to deliver network syslog message
|
|
90
|
}
|
|
91
|
// Execute command
|
|
92
|
$status = exec($command);
|
|
93
|
if(!$status and $this->ignore_return_text == false) {
|
|
94
|
log_error("{$cmd_title} failed with return code -> {$status}. The command was {$command}");
|
|
95
|
return("{$cmd_title} failed with return code -> {$status}");
|
|
96
|
} else {
|
|
97
|
if($this->is_debugging == true) {
|
|
98
|
log_error("{$cmd_title} returned -> {$status}");
|
|
99
|
}
|
|
100
|
}
|
|
101
|
}
|
|
102
|
return;
|
|
103
|
}
|
|
104
|
|
|
105
|
}
|
|
106
|
|
|
107
|
/*
|
|
108
|
* example usage:
|
|
109
|
*
|
|
110
|
|
|
111
|
$cmdchain = new CmdCHAIN();
|
|
112
|
$cmdchain->add("grab freebsd version", "uname -a", false);
|
|
113
|
$cmdchain->setdebug(); // optional for verbose logging
|
|
114
|
$cmdchain->execute();
|
|
115
|
|
|
116
|
*/
|
|
117
|
|
|
118
|
?>
|