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#!/usr/bin/perl # help.cgi # Displays help HTML for some module, with substitutions
BEGIN { push(@INC, ".."); }; use WebminCore;
$trust_unknown_referers = 1; &init_config(); &error_setup($text{'help_err'}); $ENV{'PATH_INFO'} !~ /[\\\&\;\`\'\"\|\*\?\~\<\>\^\(\)\[\]\{\}\$\n\r]/ || &error($text{'help_epath'}); $ENV{'PATH_INFO'} =~ /^\/(\S+)\/(\S+)$/ || &error($text{'help_epath'}); $module = $1; $file = $2;
# if it ends with .gif assume it is a direct URL if ($file =~ /\.(gif|jpg|jpeg|png)$/i) { &redirect("$module/$file"); exit; }
# read the help file $path = &help_file($module, $file); @st = stat($path); open(HELP, $path) || &helperror(&text('help_efile', $path)); read(HELP, $help, $st[7]); close(HELP);
# find and replace the <header> section if ($help =~ s/<header>([^<]+)<\/header>//i) { &popup_header($1); print &ui_subheading($1); } else { &helperror($text{'help_eheader'}); }
# replace any explicit use of <hr> with the ui-lib function $uihr = &ui_hr(); $help =~ s/<hr>/$uihr/ig;
# find and replace the <footer> section $help =~ s/<footer>/<p>/i;
# find and replace <include> directives $help =~ s/<include\s+(\S+)>/inchelp($1)/ige;
# find and replace <if><else> directives $help =~ s/<if\s+([^>]*)>([\000-\177]*?)<else>([\000-\177]*?)<\/if>/ifhelp($1, $2, $3)/ige;
# find and replace <if> directives $help =~ s/<if\s+([^>]*)>([\000-\177]*?)<\/if>/ifhelp($1, $2)/ige;
# find and replace <exec> directives $help =~ s/<exec\s+([^>]*)>/exechelp($1)/ige;
# output the HTML print $help; &popup_footer();
# inchelp(path) sub inchelp { if ($_[0] =~ /^\/(\S+)\/(\S+)$/) { # including something from another module.. } else { # including from this module local $ipath = &help_file($module, $_[0]); @st = stat($ipath); open(INC, $ipath) || return "<i>".&text('help_einclude', $_[0])."</i><br>\n"; read(INC, $inc, $st[7]); close(INC); return $inc; } }
# ifhelp(perl, text, [elsetext]) sub ifhelp { local $rv = eval $_[0]; if ($@) { return "<i>".&text('help_eif', $_[0], $@)."</i><br>\n"; } elsif ($rv) { return $_[1]; } else { return $_[2]; } }
# exechelp(perl) sub exechelp { local $rv = eval $_[0]; if ($@) { return "<i>".&text('help_eexec', $_[0], $@)."</i><br>\n"; } else { return $rv; } }
sub helperror { &header($text{'error'}); print "<center><h2>$text{'error'}</h2></center>\n"; print "<hr><p><b>",@_,"</b><p><hr>\n"; exit; }
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