/usr/share/doc/graphviz/examples/demo/modgraph.php is in graphviz-doc 2.38.0-7.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | #!/usr/bin/php
<?php
include("gv.php");
# display the kernel module dependencies
# author: John Ellson <ellson@research.att.com>
$G = gv::digraph("G");
$N = gv::protonode($G);
$E = gv::protoedge($G);
gv::setv($G, "rankdir", "LR");
gv::setv($G, "nodesep", "0.05");
gv::setv($N, "shape", "box");
gv::setv($N, "width", "0");
gv::setv($N, "height", "0");
gv::setv($N, "margin", ".03");
gv::setv($N, "fontsize", "8");
gv::setv($N, "fontname", "helvetica");
gv::setv($E, "arrowsize", ".4");
if ($f = fopen("/proc/modules", "r")) while ($rec = fgets($f)) {
$matches = preg_split("/[\s]+/", $rec, -1, PREG_SPLIT_NO_EMPTY);
$n = gv::node($G,$matches[0]);
$usedbylist = preg_split("/[,]/", $matches[3], -1, PREG_SPLIT_NO_EMPTY);
foreach ($usedbylist as $i => $usedby) {
if ($usedby != "-") {
gv::edge($n, gv::node($G, $usedby));
}
}
}
fclose($f);
gv::layout($G, "dot");
gv::render($G, "xlib");
?>
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