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#!/usr/bin/perl -t
# Add a user to the system wide wikilist.
# This script can safely be made suid.
use warnings;
use strict;
use English;
my $username=getpwuid($REAL_USER_ID);
if (! defined $username || ! length $username) {
die "unable to determine user name for UID $REAL_USER_ID\n";
}
my $wikilist="/etc/ikiwiki/wikilist";
if (! -e $wikilist) {
die "$wikilist does not exist\n";
}
my $removed=0;
my @lines;
open (my $list, "<$wikilist") || die "read $wikilist: $!";
while (<$list>) {
chomp;
if (/^\s*([^\s]+)\s*$/) {
my $user=$1;
if ($user eq $username) {
$removed=1;
}
else {
push @lines, $_;
}
}
else {
push @lines, $_;
}
}
close $list || die "error reading $list: $!";
open ($list, ">$wikilist") || die "write $wikilist: $!";
foreach (@lines) {
print $list "$_\n";
}
if ($removed) {
print "removed user $username from $wikilist\n";
}
else {
print $list "$username\n";
print "added user $username to $wikilist\n";
}
close $list || die "error writing $list: $!";
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