username-exclamation, RT#18227

2 files changed, 13 insertions, 1 deletions

diff --git a/FS/FS/Conf.pm b/FS/FS/Conf.pm
index c14600b21..9a064b6c6 100644
--- a/FS/FS/Conf.pm
+++ b/FS/FS/Conf.pm
@@ -5195,6 +5195,13 @@ and customer address. Include units.',
     'type'        => 'checkbox',
   },
 
+  { 
+    'key'         => 'username-exclamation',
+    'section'     => 'username',
+    'description' => 'Allow the exclamation character (!) in usernames.',
+    'type'        => 'checkbox',
+  },
+
   {
     'key'         => 'ie-compatibility_mode',
     'section'     => 'UI',
diff --git a/FS/FS/svc_acct.pm b/FS/FS/svc_acct.pm
index 8e71d829d..bd71b0ba1 100644
--- a/FS/FS/svc_acct.pm
+++ b/FS/FS/svc_acct.pm
@@ -15,6 +15,7 @@ use vars qw( $DEBUG $me $conf $skip_fuzzyfiles
              $username_noperiod $username_nounderscore $username_nodash
              $username_uppercase $username_percent $username_colon
              $username_slash $username_equals $username_pound
+             $username_exclamation
              $password_noampersand $password_noexclamation
              $warning_template $warning_from $warning_subject $warning_mimetype
              $warning_cc
@@ -85,6 +86,7 @@ FS::UID->install_callback( sub {
   $username_slash = $conf->exists('username-slash');
   $username_equals = $conf->exists('username-equals');
   $username_pound = $conf->exists('username-pound');
+  $username_exclamation = $conf->exists('username-exclamation');
   $password_noampersand = $conf->exists('password-noexclamation');
   $password_noexclamation = $conf->exists('password-noexclamation');
   $dirhash = $conf->config('dirhash') || 0;
@@ -1193,7 +1195,7 @@ sub check {
 
   my $ulen = $usernamemax || $self->dbdef_table->column('username')->length;
 
-  $recref->{username} =~ /^([a-z0-9_\-\.\&\%\:\/\=\#]{$usernamemin,$ulen})$/i
+  $recref->{username} =~ /^([a-z0-9_\-\.\&\%\:\/\=\#\!]{$usernamemin,$ulen})$/i
     or return gettext('illegal_username'). " ($usernamemin-$ulen): ". $recref->{username};
   $recref->{username} = $1;
 
@@ -1234,6 +1236,9 @@ sub check {
   unless ( $username_pound ) {
     $recref->{username} =~ /\#/ and return $uerror;
   }
+  unless ( $username_exclamation ) {
+    $recref->{username} =~ /\!/ and return $uerror;
+  }
 
 
   $recref->{popnum} =~ /^(\d*)$/ or return "Illegal popnum: ".$recref->{popnum};