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# COPYRIGHT:
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-# This software is Copyright (c) 1996-2009 Best Practical Solutions, LLC
-# <jesse@bestpractical.com>
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+# <sales@bestpractical.com>
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+#
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# This work is made available to you under the terms of Version 2 of
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# General Public License for more details.
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# along with this program; if not, write to the Free Software
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=head1 NAME
use strict;
no warnings qw(redefine);
+use Digest::SHA;
use Digest::MD5;
use RT::Principals;
use RT::ACE;
return ($i);
}
+sub SafeSetPassword {
+ my $self = shift;
+ my %args = (
+ Current => undef,
+ New => undef,
+ Confirmation => undef,
+ @_,
+ );
+ return (1) unless defined $args{'New'} && length $args{'New'};
+
+ my %cond = $self->CurrentUserRequireToSetPassword;
+
+ unless ( $cond{'CanSet'} ) {
+ return (0, $self->loc('You can not set password.') .' '. $cond{'Reason'} );
+ }
+
+ my $error = '';
+ if ( $cond{'RequireCurrent'} && !$self->CurrentUser->IsPassword($args{'Current'}) ) {
+ if ( defined $args{'Current'} && length $args{'Current'} ) {
+ $error = $self->loc("Please enter your current password correctly.");
+ }
+ else {
+ $error = $self->loc("Please enter your current password.");
+ }
+ } elsif ( $args{'New'} ne $args{'Confirmation'} ) {
+ $error = $self->loc("Passwords do not match.");
+ }
+
+ if ( $error ) {
+ $error .= ' '. $self->loc('Password has not been set.');
+ return (0, $error);
+ }
+
+ return $self->SetPassword( $args{'New'} );
+}
+
=head3 SetPassword
Takes a string. Checks the string's length and sets this user's password
}
-=head3 _GeneratePassword PASSWORD
+=head3 _GeneratePassword PASSWORD [, SALT]
-returns an MD5 hash of the password passed in, in hexadecimal encoding.
+Returns a salted SHA-256 hash of the password passed in, in base64
+encoding.
=cut
sub _GeneratePassword {
my $self = shift;
- my $password = shift;
-
- my $md5 = Digest::MD5->new();
- $md5->add(encode_utf8($password));
- return ($md5->hexdigest);
-
+ my ($password, $salt) = @_;
+
+ # Generate a random 4-byte salt
+ $salt ||= pack("C4",map{int rand(256)} 1..4);
+
+ # Encode the salt, and a truncated SHA256 of the MD5 of the
+ # password. The additional, un-necessary level of MD5 allows for
+ # transparent upgrading to this scheme, from the previous unsalted
+ # MD5 one.
+ return MIME::Base64::encode_base64(
+ $salt . substr(Digest::SHA::sha256($salt . Digest::MD5::md5($password)),0,26),
+ "" # No newline
+ );
}
=head3 _GeneratePasswordBase64 PASSWORD
return(undef);
}
- # generate an md5 password
- if ($self->_GeneratePassword($value) eq $self->__Value('Password')) {
- return(1);
+ my $stored = $self->__Value('Password');
+ if (length $stored == 40) {
+ # The truncated SHA256(salt,MD5(passwd)) form from 2010/12 is 40 characters long
+ my $hash = MIME::Base64::decode_base64($stored);
+ # The first 4 bytes are the salt, the rest is substr(SHA256,0,26)
+ my $salt = substr($hash, 0, 4, "");
+ return substr(Digest::SHA::sha256($salt . Digest::MD5::md5($value)), 0, 26) eq $hash;
+ } elsif (length $stored == 32) {
+ # Hex nonsalted-md5
+ return 0 unless Digest::MD5::md5_hex(encode_utf8($value)) eq $stored;
+ } elsif (length $stored == 22) {
+ # Base64 nonsalted-md5
+ return 0 unless Digest::MD5::md5_base64(encode_utf8($value)) eq $stored;
+ } elsif (length $stored == 13) {
+ # crypt() output
+ return 0 unless crypt(encode_utf8($value), $stored) eq $stored;
+ } else {
+ $RT::Logger->warn("Unknown password form");
+ return 0;
}
- # if it's a historical password we say ok.
- if ($self->__Value('Password') eq crypt($value, $self->__Value('Password'))
- or $self->_GeneratePasswordBase64($value) eq $self->__Value('Password'))
- {
- # ...but upgrade the legacy password inplace.
- $self->SUPER::SetPassword( $self->_GeneratePassword($value) );
- return(1);
- }
+ # We got here by validating successfully, but with a legacy
+ # password form. Update to the most recent form.
+ my $obj = $self->isa("RT::CurrentUser") ? $self->UserObj : $self;
+ $obj->_Set(Field => 'Password', Value => $self->_GeneratePassword($value) );
+ return 1;
+}
- # no password check has succeeded. get out
+sub CurrentUserRequireToSetPassword {
+ my $self = shift;
- return (undef);
+ my %res = (
+ CanSet => 1,
+ Reason => '',
+ RequireCurrent => 1,
+ );
+
+ if ( RT->Config->Get('WebExternalAuth')
+ && !RT->Config->Get('WebFallbackToInternalAuth')
+ ) {
+ $res{'CanSet'} = 0;
+ $res{'Reason'} = $self->loc("External authentication enabled.");
+ }
+ elsif ( !$self->CurrentUser->HasPassword ) {
+ if ( $self->CurrentUser->id == ($self->id||0) ) {
+ # don't require current password if user has no
+ $res{'RequireCurrent'} = 0;
+ }
+ else {
+ $res{'CanSet'} = 0;
+ $res{'Reason'} = $self->loc("Your password is not set.");
+ }
+ }
+
+ return %res;
}
=head3 AuthToken
sub CurrentUserCanModify {
my $self = shift;
- my $right = shift;
+ my $field = shift;
if ( $self->CurrentUser->HasRight(Right => 'AdminUsers', Object => $RT::System) ) {
return (1);
#If the field is marked as an "administrators only" field,
# don\'t let the user touch it.
- elsif ( $self->_Accessible( $right, 'admin' ) ) {
+ elsif ( $self->_Accessible( $field, 'admin' ) ) {
return (undef);
}
}
-=head2 _CleanupInvalidDelegations { InsideTransaction => undef }
+=head2 CleanupInvalidDelegations { InsideTransaction => undef }
Revokes all ACE entries delegated by this user which are inconsistent
with their current delegation rights. Does not perform permission
=cut
-# XXX Currently there is a _CleanupInvalidDelegations method in both
+# XXX Currently there is a CleanupInvalidDelegations method in both
# RT::User and RT::Group. If the recursive cleanup call for groups is
# ever unrolled and merged, this code will probably want to be
# factored out into RT::Principal.
-sub _CleanupInvalidDelegations {
+# backcompat for 3.8.8 and before
+*_CleanupInvalidDelegations = \&CleanupInvalidDelegations;
+
+sub CleanupInvalidDelegations {
my $self = shift;
my %args = ( InsideTransaction => undef,
@_ );
{
my $self = shift;
return undef unless RT->Config->Get('GnuPG')->{'Enable'};
+
+ if ( ($self->CurrentUser->Id != $self->Id ) &&
+ !$self->CurrentUser->HasRight(Right =>'AdminUsers', Object => $RT::System) ) {
+ return undef;
+ }
+
+
+
my $prefkey = $self->FirstAttribute('PreferredKey');
return $prefkey->Content if $prefkey;
sub PrivateKey {
my $self = shift;
+
+ #If the user wants to see their own values, let them.
+ #If the user is an admin, let them.
+ #Otherwwise, don't let them.
+ #
+ if ( ($self->CurrentUser->Id != $self->Id ) &&
+ !$self->CurrentUser->HasRight(Right =>'AdminUsers', Object => $RT::System) ) {
+ return undef;
+ }
+
my $key = $self->FirstAttribute('PrivateKey') or return undef;
return $key->Content;
}
sub SetPrivateKey {
my $self = shift;
my $key = shift;
- # XXX: ACL
+
+ unless ($self->CurrentUserCanModify('PrivateKey')) {
+ return (0, $self->loc("Permission Denied"));
+ }
+
unless ( $key ) {
my ($status, $msg) = $self->DeleteAttribute('PrivateKey');
unless ( $status ) {
);
return ($status, $self->loc("Couldn't set private key"))
unless $status;
- return ($status, $self->loc("Unset private key"));
+ return ($status, $self->loc("Set private key"));
}
sub BasicColumns {
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