add a modicum of security to the remote key get

[spider.git] / cmd / apropos.pl

diff --git a/cmd/apropos.pl b/cmd/apropos.pl
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..ac1d0f609a9ea792e429b5351f8bbe66170803ca 100644 (file)
--- a/cmd/apropos.pl
+++ b/cmd/apropos.pl
@@ -0,0 +1,92 @@
+# 
+# the help subsystem
+#
+# apropos - this does a grep on the command file and returns the commands
+# that contain the string searched for
+#
+# Copyright (c) 1998 - Dirk Koopman G1TLH
+#
+# $Id$
+#
+
+my ($self, $line) = @_;
+my @out;
+
+my $lang = $self->lang;
+$lang = 'en' if !$lang;
+
+my $in;
+$line = 'help' unless $line;
+$line =~ s/\W//g;   # remove dubious characters
+
+my ($priv, $cmd, $desc);
+my %cmd;
+
+my $defh = new IO::File;
+unless ($defh->open("$main::localcmd/Commands_en.hlp")) {
+       unless($defh->open("$main::cmd/Commands_en.hlp")) {
+               return (1, $self->msg('helpe1'));
+       }
+}
+
+my $h;
+if ($lang ne 'en') {
+       $h = new IO::File;
+       unless ($h->open("$main::localcmd/Commands_$lang.hlp")) {
+               unless($h->open("$main::cmd/Commands_$lang.hlp")) {
+                       undef $h;
+               }
+       }
+}
+
+# do english help
+my $include;
+foreach $in (<$defh>) {
+       next if $in =~ /^\#/;
+       chomp $in;
+       $in =~ s/\r$//;
+       if ($in =~ /^===/) {
+               $cmd{$cmd} = "$cmd $desc" if $include;
+               $include = 0;
+               $in =~ s/=== //;
+               ($priv, $cmd, $desc) = split /\^/, $in;
+               next if $priv > $self->priv;             # ignore subcommands that are of no concern
+               next unless $cmd =~ /$line/i || $desc =~ /$line/i;
+               next if $cmd =~ /-$/o;
+               $include = 1;
+               next;
+       }
+       $include = 1 if $cmd =~ /$line/i;
+}
+$cmd{$cmd} = "$cmd $desc" if $include;
+$defh->close;
+
+# override with any not english help
+if ($h) {
+       my $include;
+       foreach $in (<$h>) {
+               next if $in =~ /^\#/;
+               chomp $in;
+               $in =~ s/\r$//;
+               if ($in =~ /^===/) {
+                       $cmd{$cmd} = "$cmd $desc" if $include;
+                       $include = 0;
+                       $in =~ s/=== //;
+                       ($priv, $cmd, $desc) = split /\^/, $in;
+                       next if $priv > $self->priv;             # ignore subcommands that are of no concern
+                       next unless $cmd =~ /$line/i || $desc =~ /$line/i;
+                       next if $cmd =~ /-$/o;
+                       $include = 1;
+                       next;
+               }
+               $include = 1 if $cmd =~ /$line/i;
+       }
+       $cmd{$cmd} = "$cmd $desc" if $include;
+       $h->close;
+}
+
+push @out, map {$cmd{$_}} sort keys %cmd;
+
+push @out, $self->msg('helpe2', $line) if @out == 0;
+
+return (1, @out);