/usr/share/perl5/RPC/XML/methodHelp.xpl is in librpc-xml-perl 0.79-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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<!DOCTYPE methoddef SYSTEM "rpc-method.dtd">
<!--
Generated automatically by make_method 1.15
Any changes made here will be lost.
-->
<methoddef>
<name>system.methodHelp</name>
<version>1.2</version>
<signature>string string</signature>
<signature>array array</signature>
<help>
Return the help text (such as this) associated with the specified method(s).
If a STRING parameter specifying the method name is passed, the return value
will be a STRING. If multiple methods are queried by passing an ARRAY of
STRING values, then the return value will be an ARRAY of STRING values, as
well.
</help>
<code language="perl">
<![CDATA[
#!/usr/bin/perl
###############################################################################
#
# Sub Name: methodHelp
#
# Description: Retrieve any help text for the specified methods.
#
# Arguments: NAME IN/OUT TYPE DESCRIPTION
# $srv in ref Server object instance
# $arg in ref/sc Listref or scalar specification
#
# Globals: None.
#
# Environment: None.
#
# Returns: Success: string or listref
# Failure: fault object
#
###############################################################################
sub methodHelp
{
use strict;
my $srv = shift;
my $arg = shift;
my $name = $srv->{method_name};
my @list = (ref $arg) ? @$arg : ($arg);
my @results = ();
my $method;
for (@list)
{
if (ref($method = $srv->get_method($_)) and (! $method->hidden))
{
push(@results, $method->help() || '');
}
else
{
return RPC::XML::fault->new(302, "$name: Method $_ unknown");
}
}
return (ref $arg) ? \@results : $results[0];
}
__END__
]]></code>
</methoddef>
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