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executable file 613 lines (497 sloc) 15.879 kB
#!/usr/bin/perl
use strict;
use warnings;
use Cwd;
use FindBin qw($Bin);
use lib "$Bin/lib";
use MemcachedTest;
my $supports_sasl = supports_sasl();
use Test::More;
if (supports_sasl()) {
plan tests => 25;
} else {
plan tests => 1;
eval {
my $server = new_memcached("-S");
};
ok($@, "Died with illegal -S args when SASL is not supported.");
exit 0;
}
eval {
my $server = new_memcached("-S -B auto");
};
ok($@, "SASL shouldn't be used with protocol auto negotiate");
eval {
my $server = new_memcached("-S -B ascii");
};
ok($@, "SASL isn't implemented in the ascii protocol");
eval {
my $server = new_memcached("-S -B binary -B ascii");
};
ok($@, "SASL isn't implemented in the ascii protocol");
# Based almost 100% off testClient.py which is:
# Copyright (c) 2007 Dustin Sallings <dustin@spy.net>
# Command constants
use constant CMD_GET => 0x00;
use constant CMD_SET => 0x01;
use constant CMD_ADD => 0x02;
use constant CMD_REPLACE => 0x03;
use constant CMD_DELETE => 0x04;
use constant CMD_INCR => 0x05;
use constant CMD_DECR => 0x06;
use constant CMD_QUIT => 0x07;
use constant CMD_FLUSH => 0x08;
use constant CMD_GETQ => 0x09;
use constant CMD_NOOP => 0x0A;
use constant CMD_VERSION => 0x0B;
use constant CMD_GETK => 0x0C;
use constant CMD_GETKQ => 0x0D;
use constant CMD_APPEND => 0x0E;
use constant CMD_PREPEND => 0x0F;
use constant CMD_STAT => 0x10;
use constant CMD_SETQ => 0x11;
use constant CMD_ADDQ => 0x12;
use constant CMD_REPLACEQ => 0x13;
use constant CMD_DELETEQ => 0x14;
use constant CMD_INCREMENTQ => 0x15;
use constant CMD_DECREMENTQ => 0x16;
use constant CMD_QUITQ => 0x17;
use constant CMD_FLUSHQ => 0x18;
use constant CMD_APPENDQ => 0x19;
use constant CMD_PREPENDQ => 0x1A;
use constant CMD_SASL_LIST_MECHS => 0x20;
use constant CMD_SASL_AUTH => 0x21;
use constant CMD_SASL_STEP => 0x22;
use constant ERR_AUTH_ERROR => 0x20;
# REQ and RES formats are divided even though they currently share
# the same format, since they _could_ differ in the future.
use constant REQ_PKT_FMT => "CCnCCnNNNN";
use constant RES_PKT_FMT => "CCnCCnNNNN";
use constant INCRDECR_PKT_FMT => "NNNNN";
use constant MIN_RECV_BYTES => length(pack(RES_PKT_FMT));
use constant REQ_MAGIC => 0x80;
use constant RES_MAGIC => 0x81;
my $pwd=getcwd;
$ENV{'SASL_CONF_PATH'} = "$pwd/t/sasl";
my $server = new_memcached('-B binary -S ');
my $mc = MC::Client->new;
my $check = sub {
my ($key, $orig_val) = @_;
my ($status, $val, $cas) = $mc->get($key);
if ($val =~ /^\d+$/) {
cmp_ok($val,'==', $orig_val, "$val = $orig_val");
}
else {
cmp_ok($val, 'eq', $orig_val, "$val = $orig_val");
}
};
my $set = sub {
my ($key, $orig_value, $exp) = @_;
$exp = defined $exp ? $exp : 0;
my ($status, $rv)= $mc->set($key, $orig_value, $exp);
$check->($key, $orig_value);
};
my $empty = sub {
my $key = shift;
my ($status,$rv) =()= eval { $mc->get($key) };
#if ($status == ERR_AUTH_ERROR) {
# ok($@->auth_error, "Not authorized to connect");
#}
#else {
# ok($@->not_found, "We got a not found error when we expected one");
#}
if ($status) {
ok($@->not_found, "We got a not found error when we expected one");
}
};
my $delete = sub {
my ($key, $when) = @_;
$mc->delete($key, $when);
$empty->($key);
};
# BEGIN THE TEST
ok($server, "started the server");
my $v = $mc->version;
ok(defined $v && length($v), "Proper version: $v");
# list mechs
my $mechs= $mc->list_mechs();
Test::More::cmp_ok($mechs, 'eq', 'CRAM-MD5 PLAIN', "list_mechs $mechs");
# this should fail, not authenticated
{
my ($status, $val)= $mc->set('x', "somevalue");
ok($status, "this fails to authenticate");
cmp_ok($status,'==',ERR_AUTH_ERROR, "error code matches");
}
$empty->('x');
{
my $mc = MC::Client->new;
my ($status, $val) = $mc->delete('x');
ok($status, "this fails to authenticate");
cmp_ok($status,'==',ERR_AUTH_ERROR, "error code matches");
}
$empty->('x');
{
my $mc = MC::Client->new;
my ($status, $val)= $mc->set('x', "somevalue");
ok($status, "this fails to authenticate");
cmp_ok($status,'==',ERR_AUTH_ERROR, "error code matches");
}
$empty->('x');
{
my $mc = MC::Client->new;
my ($status, $val)= $mc->flush('x');
ok($status, "this fails to authenticate");
cmp_ok($status,'==',ERR_AUTH_ERROR, "error code matches");
}
$empty->('x');
# Build the auth DB for testing.
my $sasldb = '/tmp/test-memcached.sasldb';
unlink $sasldb;
system("echo testpass | saslpasswd2 -a memcached -c -p testuser");
$mc = MC::Client->new;
# Attempt a bad auth mech.
is ($mc->authenticate('testuser', 'testpass', "X" x 40), 0x4, "bad mech");
# Attempt bad authentication.
is ($mc->authenticate('testuser', 'wrongpassword'), 0x20, "bad auth");
# Now try good authentication and make the tests work.
is ($mc->authenticate('testuser', 'testpass'), 0, "authenticated");
# these should work
{
my ($status, $val)= $mc->set('x', "somevalue");
ok(! $status);
}
$check->('x','somevalue');
{
my ($status, $val)= $mc->delete('x');
ok(! $status);
}
$empty->('x');
{
my ($status, $val)= $mc->set('x', "somevalue");
ok(! $status);
}
$check->('x','somevalue');
{
my ($status, $val)= $mc->flush('x');
ok(! $status);
}
$empty->('x');
# check the SASL stats, make sure they track things correctly
# note: the enabled or not is presence checked in stats.t
# while authenticated, get current counter
#
# My initial approach was going to be to get current counts, reauthenticate
# and fail, followed by a reauth successfully so I'd know what happened.
# Reauthentication is currently unsupported, so it doesn't work that way at the
# moment. Adding tests may break this.
{
my %stats = $mc->stats('');
is ($stats{'auth_cmds'}, 2, "auth commands counted");
is ($stats{'auth_errors'}, 1, "auth errors correct");
}
# Along with the assertion added to the code to verify we're staying
# within bounds when we do a stats detail dump (detail turned on at
# the top).
# my %stats = $mc->stats('detail dump');
# ######################################################################
# Test ends around here.
# ######################################################################
package MC::Client;
use strict;
use warnings;
use fields qw(socket);
use IO::Socket::INET;
use constant ERR_AUTH_ERROR => 0x20;
sub new {
my $self = shift;
my ($s) = @_;
$s = $server unless defined $s;
my $sock = $s->sock;
$self = fields::new($self);
$self->{socket} = $sock;
return $self;
}
sub authenticate {
my ($self, $user, $pass, $mech)= @_;
$mech ||= 'PLAIN';
my $buf = sprintf("%c%s%c%s", 0, $user, 0, $pass);
my ($status, $rv, undef) = $self->_do_command(::CMD_SASL_AUTH, $mech, $buf, '');
return $status;
}
sub list_mechs {
my ($self)= @_;
my ($status, $rv, undef) = $self->_do_command(::CMD_SASL_LIST_MECHS, '', '', '');
return join(" ", sort(split(/\s+/, $rv)));
}
sub build_command {
my $self = shift;
die "Not enough args to send_command" unless @_ >= 4;
my ($cmd, $key, $val, $opaque, $extra_header, $cas) = @_;
$extra_header = '' unless defined $extra_header;
my $keylen = length($key);
my $vallen = length($val);
my $extralen = length($extra_header);
my $datatype = 0; # field for future use
my $reserved = 0; # field for future use
my $totallen = $keylen + $vallen + $extralen;
my $ident_hi = 0;
my $ident_lo = 0;
if ($cas) {
$ident_hi = int($cas / 2 ** 32);
$ident_lo = int($cas % 2 ** 32);
}
my $msg = pack(::REQ_PKT_FMT, ::REQ_MAGIC, $cmd, $keylen, $extralen,
$datatype, $reserved, $totallen, $opaque, $ident_hi,
$ident_lo);
my $full_msg = $msg . $extra_header . $key . $val;
return $full_msg;
}
sub send_command {
my $self = shift;
die "Not enough args to send_command" unless @_ >= 4;
my ($cmd, $key, $val, $opaque, $extra_header, $cas) = @_;
my $full_msg = $self->build_command($cmd, $key, $val, $opaque, $extra_header, $cas);
my $sent = $self->{socket}->send($full_msg);
die("Send failed: $!") unless $sent;
if($sent != length($full_msg)) {
die("only sent $sent of " . length($full_msg) . " bytes");
}
}
sub flush_socket {
my $self = shift;
$self->{socket}->flush;
}
# Send a silent command and ensure it doesn't respond.
sub send_silent {
my $self = shift;
die "Not enough args to send_silent" unless @_ >= 4;
my ($cmd, $key, $val, $opaque, $extra_header, $cas) = @_;
$self->send_command($cmd, $key, $val, $opaque, $extra_header, $cas);
$self->send_command(::CMD_NOOP, '', '', $opaque + 1);
my ($ropaque, $status, $data) = $self->_handle_single_response;
Test::More::is($ropaque, $opaque + 1);
}
sub silent_mutation {
my $self = shift;
my ($cmd, $key, $value) = @_;
$empty->($key);
my $extra = pack "NN", 82, 0;
$mc->send_silent($cmd, $key, $value, 7278552, $extra, 0);
$check->($key, $value);
}
sub _handle_single_response {
my $self = shift;
my $myopaque = shift;
$self->{socket}->recv(my $response, ::MIN_RECV_BYTES);
my ($magic, $cmd, $keylen, $extralen, $datatype, $status, $remaining,
$opaque, $ident_hi, $ident_lo) = unpack(::RES_PKT_FMT, $response);
return ($opaque, '', '', '', 0) if not defined $remaining;
return ($opaque, '', '', '', 0) if ($remaining == 0);
# fetch the value
my $rv="";
while($remaining - length($rv) > 0) {
$self->{socket}->recv(my $buf, $remaining - length($rv));
$rv .= $buf;
}
if(length($rv) != $remaining) {
my $found = length($rv);
die("Expected $remaining bytes, got $found");
}
my $cas = ($ident_hi * 2 ** 32) + $ident_lo;
#if ($status) {
#die MC::Error->new($status, $rv);
#}
return ($opaque, $status, $rv, $cas, $keylen);
}
sub _do_command {
my $self = shift;
die unless @_ >= 3;
my ($cmd, $key, $val, $extra_header, $cas) = @_;
$extra_header = '' unless defined $extra_header;
my $opaque = int(rand(2**32));
$self->send_command($cmd, $key, $val, $opaque, $extra_header, $cas);
my (undef, $status, $rv, $rcas) = $self->_handle_single_response($opaque);
return ($status, $rv, $rcas);
}
sub _incrdecr_header {
my $self = shift;
my ($amt, $init, $exp) = @_;
my $amt_hi = int($amt / 2 ** 32);
my $amt_lo = int($amt % 2 ** 32);
my $init_hi = int($init / 2 ** 32);
my $init_lo = int($init % 2 ** 32);
my $extra_header = pack(::INCRDECR_PKT_FMT, $amt_hi, $amt_lo, $init_hi,
$init_lo, $exp);
return $extra_header;
}
sub _incrdecr {
my $self = shift;
my ($cmd, $key, $amt, $init, $exp) = @_;
my ($status, $data, undef) = $self->_do_command($cmd, $key, '',
$self->_incrdecr_header($amt, $init, $exp));
my $header = substr $data, 0, 8, '';
my ($resp_hi, $resp_lo) = unpack "NN", $header;
my $resp = ($resp_hi * 2 ** 32) + $resp_lo;
return $resp;
}
sub silent_incrdecr {
my $self = shift;
my ($cmd, $key, $amt, $init, $exp) = @_;
my $opaque = 8275753;
$mc->send_silent($cmd, $key, '', $opaque,
$mc->_incrdecr_header($amt, $init, $exp));
}
sub stats {
my $self = shift;
my $key = shift;
my $cas = 0;
my $opaque = int(rand(2**32));
$self->send_command(::CMD_STAT, $key, '', $opaque, '', $cas);
my %rv = ();
my $found_key = '';
my $found_val = '';
my $status= 0;
do {
my ($op, $status, $data, $cas, $keylen) = $self->_handle_single_response($opaque);
if ($keylen > 0) {
$found_key = substr($data, 0, $keylen);
$found_val = substr($data, $keylen);
$rv{$found_key} = $found_val;
} else {
$found_key = '';
}
} while($found_key ne '');
return %rv;
}
sub get {
my $self = shift;
my $key = shift;
my ($status, $rv, $cas) = $self->_do_command(::CMD_GET, $key, '', '');
my $header = substr $rv, 0, 4, '';
my $flags = unpack("N", $header);
return ($status, $rv);
}
sub get_multi {
my $self = shift;
my @keys = @_;
for (my $i = 0; $i < @keys; $i++) {
$self->send_command(::CMD_GETQ, $keys[$i], '', $i, '', 0);
}
my $terminal = @keys + 10;
$self->send_command(::CMD_NOOP, '', '', $terminal);
my %return;
my $status = 0;
while (1) {
my ($opaque, $status, $data) = $self->_handle_single_response;
last if $opaque == $terminal;
my $header = substr $data, 0, 4, '';
my $flags = unpack("N", $header);
$return{$keys[$opaque]} = [$flags, $data];
}
return %return if wantarray;
return \%return;
}
sub version {
my $self = shift;
return $self->_do_command(::CMD_VERSION, '', '');
}
sub flush {
my $self = shift;
return $self->_do_command(::CMD_FLUSH, '', '');
}
sub add {
my $self = shift;
my ($key, $val, $flags, $expire) = @_;
my $extra_header = pack "NN", $flags, $expire;
my $cas = 0;
return $self->_do_command(::CMD_ADD, $key, $val, $extra_header, $cas);
}
sub set {
my $self = shift;
my $flags = 0;
my $cas = 0;
my ($key, $val, $expire) = @_;
$expire = defined $expire ? $expire : 0;
my $extra_header = pack "NN", $flags, $expire;
return $self->_do_command(::CMD_SET, $key, $val, $extra_header, $cas);
}
sub _append_prepend {
my $self = shift;
my ($cmd, $key, $val, $cas) = @_;
return $self->_do_command($cmd, $key, $val, '', $cas);
}
sub replace {
my $self = shift;
my ($key, $val, $flags, $expire) = @_;
my $extra_header = pack "NN", $flags, $expire;
my $cas = 0;
return $self->_do_command(::CMD_REPLACE, $key, $val, $extra_header, $cas);
}
sub delete {
my $self = shift;
my ($key) = @_;
return $self->_do_command(::CMD_DELETE, $key, '');
}
sub incr {
my $self = shift;
my ($key, $amt, $init, $exp) = @_;
$amt = 1 unless defined $amt;
$init = 0 unless defined $init;
$exp = 0 unless defined $exp;
return $self->_incrdecr(::CMD_INCR, $key, $amt, $init, $exp);
}
sub decr {
my $self = shift;
my ($key, $amt, $init, $exp) = @_;
$amt = 1 unless defined $amt;
$init = 0 unless defined $init;
$exp = 0 unless defined $exp;
return $self->_incrdecr(::CMD_DECR, $key, $amt, $init, $exp);
}
sub noop {
my $self = shift;
return $self->_do_command(::CMD_NOOP, '', '');
}
package MC::Error;
use strict;
use warnings;
use constant ERR_UNKNOWN_CMD => 0x81;
use constant ERR_NOT_FOUND => 0x1;
use constant ERR_EXISTS => 0x2;
use constant ERR_TOO_BIG => 0x3;
use constant ERR_EINVAL => 0x4;
use constant ERR_NOT_STORED => 0x5;
use constant ERR_DELTA_BADVAL => 0x6;
use constant ERR_AUTH_ERROR => 0x20;
use overload '""' => sub {
my $self = shift;
return "Memcache Error ($self->[0]): $self->[1]";
};
sub new {
my $class = shift;
my $error = [@_];
my $self = bless $error, (ref $class || $class);
return $self;
}
sub not_found {
my $self = shift;
return $self->[0] == ERR_NOT_FOUND;
}
sub exists {
my $self = shift;
return $self->[0] == ERR_EXISTS;
}
sub too_big {
my $self = shift;
return $self->[0] == ERR_TOO_BIG;
}
sub delta_badval {
my $self = shift;
return $self->[0] == ERR_DELTA_BADVAL;
}
sub auth_error {
my $self = shift;
return $self->[0] == ERR_AUTH_ERROR;
}
unlink $sasldb;
# vim: filetype=perl
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