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[/] [random-bits/] [cacti-mapper.php] - Blame information for rev 137

 

Line No. Rev Author Line
185simandl<?php
2 
3# defaults. Should be overwritten by the cacti config.
4$cacti_base = '../../';
5$cacti_url = '/';
6 
7$width = 4000;
8$height = 3000;
9 
10 
11require_once 'editor-config.php';
12 
13// check if the goalposts have moved
14if( is_dir($cacti_base) && file_exists($cacti_base."/include/global.php") )
15{
16 // include the cacti-config, so we know about the database
17 include_once($cacti_base."/include/global.php");
18 $config['base_url'] = (isset($config['url_path'])? $config['url_path'] : $cacti_url);
19 $cacti_found = TRUE;
20}
21elseif( is_dir($cacti_base) && file_exists($cacti_base."/include/config.php") )
22{
23 // include the cacti-config, so we know about the database
24 include_once($cacti_base."/include/config.php");
25 $config['base_url'] = (isset($config['url_path'])? $config['url_path'] : $cacti_url);
26 $cacti_found = TRUE;
27}
28else
29{
30 print "You need to fix your editor-config.php\n";
31 exit();
32}
33 
34include_once($cacti_base."/lib/snmp.php");
35 
36if(!function_exists("cacti_snmp_get"))
37{
38 die("Cacti SNMP functions are not available");
39}
40 
41# figure out which template has interface traffic. This might be wrong for you.
42$data_template = "Interface - Traffic";
43$data_template_id = db_fetch_cell("select id from data_template where name='".mysql_real_escape_string($data_template)."'");
44 
45$Interfaces_SQL = "select host.snmp_version,host.snmp_community,host.snmp_username,host.snmp_password,host.snmp_auth_protocol,host.snmp_priv_passphrase,host.snmp_priv_protocol,host.snmp_context,host.snmp_port,host.snmp_timeout,host.description, host.hostname, host.disabled, host_snmp_cache.* from host_snmp_cache,host where host_snmp_cache.host_id=host.id and (field_name='ifDescr' or field_name='ifName' or field_name='ifIP' or field_name='ifAlias') and host.disabled<>'on' and field_value<>'127.0.0.1' and field_value<>'0.0.0.0' and host.status=3 and host.snmp_version>0;";
46$queryrows = db_fetch_assoc($Interfaces_SQL);
47 
48if( is_array($queryrows) && sizeof($queryrows) > 0 )
49{
50 foreach ($queryrows as $line)
51 {
52 $key =sprintf( "%06d-%010d",$line['host_id'],$line['snmp_index']);
53 $hosts[$line['host_id']]['description'] = $line['description'];
54 $hosts[$line['host_id']]['hostname'] = $line['hostname'];
55 
56 $hosts[$line['host_id']]['snmp_version'] = $line['snmp_version'];
57 $hosts[$line['host_id']]['snmp_username'] = $line['snmp_username'];
58 $hosts[$line['host_id']]['snmp_password'] = $line['snmp_password'];
59 $hosts[$line['host_id']]['snmp_auth_protocol'] = $line['snmp_auth_protocol'];
60 $hosts[$line['host_id']]['snmp_context'] = $line['snmp_context'];
61 $hosts[$line['host_id']]['snmp_port'] = $line['snmp_port'];
62 $hosts[$line['host_id']]['snmp_timeout'] = $line['snmp_timeout'];
63 $hosts[$line['host_id']]['snmp_priv_protocol'] = $line['snmp_priv_protocol'];
64 $hosts[$line['host_id']]['snmp_priv_passphrase'] = $line['snmp_priv_passphrase'];
65 $hosts[$line['host_id']]['snmp_community'] = $line['snmp_community'];
66 
67 $interfaces[$key]['index'] = $line['snmp_index'];
68 $interfaces[$key]['host'] = $line['host_id'];
69 if($line['field_name'] == 'ifIP') $interfaces[$key]['ip'] = $line['field_value'];
70 if($line['field_name'] == 'ifName') $interfaces[$key]['name'] = $line['field_value'];
71 if($line['field_name'] == 'ifDescr') $interfaces[$key]['descr'] = $line['field_value'];
72 if($line['field_name'] == 'ifAlias') $interfaces[$key]['alias'] = $line['field_value'];
73 }
74}
75 
76$count=0;
77if(file_exists("mapper-cache.txt"))
78{
79 print "Reading Netmask cache...\n";
80 $fd = fopen("mapper-cache.txt","r");
81 while(!feof($fd))
82 {
83 $str = fgets($fd,4096);
84 $str=str_replace("\r", "", $str);
85 trim($str);
86 
87 list($key,$mask) = explode("\t",$str);
88 if(preg_match("/^(\d+\.\d+\.\d+\.\d+)$/",$mask,$m) && $mask != '0.0.0.0')
89 { $interfaces[$key]['netmask'] = $m[1]; $count++; }
90 }
91 fclose($fd);
92}
93print "$count netmasks in the cache.\n";
94 
95print "Collected information on ".sizeof($interfaces)." interfaces and ".sizeof($hosts)." hosts.\n";
96 
97$cleaned=0;
98foreach($interfaces as $key=>$int)
99{
100 if(!isset($int['ip']))
101 {
102 unset($interfaces[$key]);
103 $cleaned++;
104 }
105 else
106 {
107 $interfaces[$key]['nicename'] = ( isset($int['name'])?$int['name']:( isset($int['descr'])?$int['descr']: (isset($int['alias'])?$int['alias']:"Interface #".$int['index']) ) );
108 }
109}
110 
111print "Removed $cleaned interfaces from search, which have no IP address.\n";
112 
113$count=0;
114 
115foreach($interfaces as $key=>$int)
116{
117 if(!isset($int['netmask']))
118 {
119 $oid = ".1.3.6.1.2.1.4.20.1.3.".$int['ip'];
120 $hostid = $int['host'];
121 
122 if($count<100)
123 {
124 print "Fetching Netmask via SNMP for Host ".$int['host']."//".$int['ip']." from $oid\n";
125 $result = cacti_snmp_get(
126 $hosts[$hostid]["hostname"],
127 $hosts[$hostid]["snmp_community"],
128 $oid,
129 $hosts[$hostid]["snmp_version"],
130 $hosts[$hostid]["snmp_username"],
131 $hosts[$hostid]["snmp_password"],
132 $hosts[$hostid]["snmp_auth_protocol"],
133 $hosts[$hostid]["snmp_priv_passphrase"],
134 $hosts[$hostid]["snmp_priv_protocol"],
135 $hosts[$hostid]["snmp_context"],
136 $hosts[$hostid]["snmp_port"],
137 $hosts[$hostid]["snmp_timeout"],
138 SNMP_WEBUI);
139 if($result != FALSE && preg_match("/^\d+.\d+.\d+.\d+$/",$result))
140 {
141 print "$result|\n";
142 $interfaces[$key]['netmask'] = $result;
143 }
144 else
145 {
146 print "No useful result.\n";
147 unset($interfaces[$key]);
148 }
149 $count++;
150 }
151 
152 }
153}
154 
155$count = 0;
156print "Writing Netmask cache...\n";
157$fd = fopen("mapper-cache.txt","w");
158foreach($interfaces as $key=>$int)
159{
160 if(isset($int['netmask']))
161 {
162 fputs($fd,$key."\t".$int['netmask']."\n");
163 $count++;
164 }
165}
166fclose($fd);
167print "Wrote $count cache entries.\n";
168# SNMP netmask => .1.3.6.1.2.1.4.20.1.3.10.1.1.254
169# SNMP interface index => .1.3.6.1.2.1.4.20.1.2.10.1.1.254
170 
171$count=0;
172foreach($interfaces as $key=>$int)
173{
174 if(isset($int['netmask']))
175 {
176 $network = get_network($int['ip'],$int['netmask'])."/".get_cidr($int['netmask']);
177 $interfaces[$key]['network'] = $network;
178 
179 $networks[$network] []= $key;
180 $count++;
181 }
182 else
183 {
184 print $int['ip']."\n";;
185 }
186}
187print "Assembled $count different network/netmask pairs\n";
188 
189 
190$link_config = "";
191$node_config = "";
192$nodes_seen = array();
193 
194$count=0;
195$linkid = 0;
196$lannodeid = 0;
197foreach ($networks as $network=>$members)
198{
199 if(sizeof($members)<2)
200 {
201 unset($networks[$network]);
202 $count++;
203 }
204 
205 if(sizeof($members)==2)
206 {
207 print "Create LINK between\n";
208 foreach($members as $int)
209 {
210 $h = $interfaces[$int]['host'];
211 print " ".$interfaces[$int]['nicename'];
212 print " on ".$hosts[$h]['description'];
213 print " (".$hosts[$h]['hostname'].")\n";
214 $nodes_seen[$h]=1;
215 }
216 $linkid++;
217 $link_config .= "LINK link_$linkid\nWIDTH 4\n";
218 $link_config .= "\tNODES node_".$interfaces[$members[0]]['host']." node_".$interfaces[$members[1]]['host']."\n";
219 $link_config .= "\tSET in_interface ".$interfaces[$members[1]]['nicename']."\n";
220 $link_config .= "\tSET out_interface ".$interfaces[$members[0]]['nicename']."\n";
221 $link_config .= "\n";
222 }
223 
224 if(sizeof($members)>2)
225 {
226 print "Create LAN NODE called $network and add LINKs from these NODEs to it:\n";
227 $x = rand(0,$width); $y = rand(0,$height);
228 $lan_key = preg_replace("/[.\/]/","_",$network);
229 $node_config .= "NODE LAN_$lan_key\nLABELBGCOLOR 255 240 240 \n\tPOSITION $x $y\n\tLABEL $network\n\tICON 96 24 rbox\n\tLABELOFFSET C\n\tLABELOUTLINECOLOR none\nUSESCALE none in\n\n";
230 foreach($members as $int)
231 {
232 $h = $interfaces[$int]['host'];
233 print " $int:: ".$interfaces[$int]['nicename'];
234 print " on ".$hosts[$h]['description'];
235 print " (".$hosts[$h]['hostname'].")\n";
236 $nodes_seen[$h]=1;
237 $linkid++;
238 $link_config .= "LINK link_$linkid\n";
239 $link_config .= "SET out_interface ".$interfaces[$int]['nicename']."\n";
240 $link_config .= "\tNODES node_$h LAN_$lan_key\n\tWIDTH 2\n\tOUTCOMMENT {link:this:out_interface}\n";
241 }
242 print "\n";
243 }
244}
245print "Trimmed $count networks with only one member interface\n";
246 
247foreach ($nodes_seen as $h=>$c)
248{
249 $x = rand(0,$width); $y = rand(0,$height);
250 $node_config .= "NODE node_$h\n\tSET cacti_id $h\n";
251 $node_config .= "\tLABEL ".$hosts[$h]['description']."\n";
252 $node_config .= "\tPOSITION $x $y\n";
253 $node_config .= "\tUSESCALE cactiupdown in \n";
254 $node_config .= "\tLABELFONTCOLOR contrast\n";
255 $node_config .= "\n\n";
256}
257 
258$fd = fopen("automap.cfg","w");
259fputs($fd,"HTMLSTYLE overlib\nBGCOLOR 92 92 92\nWIDTH $width\nHEIGHT $height\nFONTDEFINE 30 GillSans 8\n");
260fputs($fd,"FONTDEFINE 20 GillSans 10\nFONTDEFINE 10 GillSans 9\n");
261fputs($fd,"SCALE DEFAULT 0 0 255 0 0\nSCALE DEFAULT 0 10 32 32 32 0 0 255\nSCALE DEFAULT 10 40 0 0 255 0 255 0\nSCALE DEFAULT 40 55 0 255 0 255 255 0\nSCALE DEFAULT 55 100 240 240 0 255 0 0\n");
262fputs($fd,"\nSCALE cactiupdown 0 0.5 192 192 192 \nSCALE cactiupdown 0.5 1.5 255 0 0 \nSCALE cactiupdown 1.5 2.5 0 0 255 \nSCALE cactiupdown 2.5 3.5 0 255 0 \nSCALE cactiupdown 3.5 4.5 255 255 0 \n");
263fputs($fd,"\nLINK DEFAULT\nBWSTYLE angled\nBWLABEL bits\nBWFONT 30\nCOMMENTFONT 30\n\n");
264fputs($fd,"\nNODE DEFAULT\nLABELFONT 10\n\n");
265fputs($fd,$node_config);
266fputs($fd,$link_config);
267fclose($fd);
268 
269///////////////////////////////////////////////////////////////
270 
271function ip_to_int($_ip)
272{
273 if(preg_match("/^(\d+)\.(\d+)\.(\d+)\.(\d+)$/",$_ip,$matches))
274 {
275 $_output=0;
276 for($i=1;$i<5;$i++)
277 {
278 $_output<<=8;
279 $_output+=$matches[$i];
280 }
281 return($_output);
282 }
283 else
284 {
285 print "Something funny: $_ip\n";
286 return(-1);
287 }
288}
289 
290function int_to_ip($_int)
291{
292 $tmp=$_int;
293 
294 for ($i=0; $i < 4; $i++)
295 {
296 $IPBit[]=($tmp & 255);
297 $tmp>>=8;
298 }
299 
300 $_output=sprintf("%d.%d.%d.%d", $IPBit[3], $IPBit[2], $IPBit[1], $IPBit[0]);
301 return ($_output);
302}
303 
304function get_network($_ip, $_mask)
305{
306 $_int1=ip_to_int($_ip);
307 $_mask1=ip_to_int($_mask);
308 
309 $_network=$_int1 & ($_mask1);
310 
311 return (int_to_ip($_network));
312}
313 
314function get_cidr($mask)
315{
316 $lookup = array(
317 "255.255.255.255"=>"32",
318 "255.255.255.254"=>"31",
319 "255.255.255.252"=>"30",
320 "255.255.255.248"=>"29",
321 "255.255.255.240"=>"28",
322 "255.255.255.224"=>"27",
323 "255.255.255.192"=>"26",
324 "255.255.255.128"=>"25",
325 "255.255.255.0"=>"24",
326 "255.255.254.0"=>"23",
327 "255.255.252.0"=>"22",
328 "255.255.248.0"=>"21",
329 "255.255.240.0"=>"20",
330 "255.255.224.0"=>"19",
331 "255.255.192.0"=>"18",
332 "255.255.128.0"=>"17",
333 "255.255.0.0"=>"16",
334 "255.254.0.0"=>"15",
335 "255.252.0.0"=>"14",
336 "0.0.0.0.0"=>"0"
337 );
338 
339 if($lookup[$mask]) return ($lookup[$mask]);
340 
341 print "HUH: $mask\n";
342 
343 return("-1");
344 
345 
346}
347 
348 
349?>

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