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-rw-r--r--src/test/test_socks.c512
1 files changed, 512 insertions, 0 deletions
diff --git a/src/test/test_socks.c b/src/test/test_socks.c
new file mode 100644
index 0000000000..465e427930
--- /dev/null
+++ b/src/test/test_socks.c
@@ -0,0 +1,512 @@
+/* Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2015, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#include "or.h"
+#include "buffers.h"
+#include "config.h"
+#include "test.h"
+
+typedef struct socks_test_data_t {
+ socks_request_t *req;
+ buf_t *buf;
+} socks_test_data_t;
+
+static void *
+socks_test_setup(const struct testcase_t *testcase)
+{
+ socks_test_data_t *data = tor_malloc(sizeof(socks_test_data_t));
+ (void)testcase;
+ data->buf = buf_new_with_capacity(256);
+ data->req = socks_request_new();
+ config_register_addressmaps(get_options());
+ return data;
+}
+static int
+socks_test_cleanup(const struct testcase_t *testcase, void *ptr)
+{
+ socks_test_data_t *data = ptr;
+ (void)testcase;
+ buf_free(data->buf);
+ socks_request_free(data->req);
+ tor_free(data);
+ return 1;
+}
+
+const struct testcase_setup_t socks_setup = {
+ socks_test_setup, socks_test_cleanup
+};
+
+#define SOCKS_TEST_INIT() \
+ socks_test_data_t *testdata = ptr; \
+ buf_t *buf = testdata->buf; \
+ socks_request_t *socks = testdata->req;
+#define ADD_DATA(buf, s) \
+ write_to_buf(s, sizeof(s)-1, buf)
+
+static void
+socks_request_clear(socks_request_t *socks)
+{
+ tor_free(socks->username);
+ tor_free(socks->password);
+ memset(socks, 0, sizeof(socks_request_t));
+}
+
+/** Perform unsupported SOCKS 4 commands */
+static void
+test_socks_4_unsupported_commands(void *ptr)
+{
+ SOCKS_TEST_INIT();
+
+ /* SOCKS 4 Send BIND [02] to IP address 2.2.2.2:4369 */
+ ADD_DATA(buf, "\x04\x02\x11\x11\x02\x02\x02\x02\x00");
+ tt_assert(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks) == -1);
+ tt_int_op(4,OP_EQ, socks->socks_version);
+ tt_int_op(0,OP_EQ, socks->replylen); /* XXX: shouldn't tor reply? */
+
+ done:
+ ;
+}
+
+/** Perform supported SOCKS 4 commands */
+static void
+test_socks_4_supported_commands(void *ptr)
+{
+ SOCKS_TEST_INIT();
+
+ tt_int_op(0,OP_EQ, buf_datalen(buf));
+
+ /* SOCKS 4 Send CONNECT [01] to IP address 2.2.2.2:4370 */
+ ADD_DATA(buf, "\x04\x01\x11\x12\x02\x02\x02\x03\x00");
+ tt_assert(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks) == 1);
+ tt_int_op(4,OP_EQ, socks->socks_version);
+ tt_int_op(0,OP_EQ, socks->replylen); /* XXX: shouldn't tor reply? */
+ tt_int_op(SOCKS_COMMAND_CONNECT,OP_EQ, socks->command);
+ tt_str_op("2.2.2.3",OP_EQ, socks->address);
+ tt_int_op(4370,OP_EQ, socks->port);
+ tt_assert(socks->got_auth == 0);
+ tt_assert(! socks->username);
+
+ tt_int_op(0,OP_EQ, buf_datalen(buf));
+ socks_request_clear(socks);
+
+ /* SOCKS 4 Send CONNECT [01] to IP address 2.2.2.2:4369 with userid*/
+ ADD_DATA(buf, "\x04\x01\x11\x12\x02\x02\x02\x04me\x00");
+ tt_assert(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks) == 1);
+ tt_int_op(4,OP_EQ, socks->socks_version);
+ tt_int_op(0,OP_EQ, socks->replylen); /* XXX: shouldn't tor reply? */
+ tt_int_op(SOCKS_COMMAND_CONNECT,OP_EQ, socks->command);
+ tt_str_op("2.2.2.4",OP_EQ, socks->address);
+ tt_int_op(4370,OP_EQ, socks->port);
+ tt_assert(socks->got_auth == 1);
+ tt_assert(socks->username);
+ tt_int_op(2,OP_EQ, socks->usernamelen);
+ tt_mem_op("me",OP_EQ, socks->username, 2);
+
+ tt_int_op(0,OP_EQ, buf_datalen(buf));
+ socks_request_clear(socks);
+
+ /* SOCKS 4a Send RESOLVE [F0] request for torproject.org */
+ ADD_DATA(buf, "\x04\xF0\x01\x01\x00\x00\x00\x02me\x00torproject.org\x00");
+ tt_assert(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks) == 1);
+ tt_int_op(4,OP_EQ, socks->socks_version);
+ tt_int_op(0,OP_EQ, socks->replylen); /* XXX: shouldn't tor reply? */
+ tt_str_op("torproject.org",OP_EQ, socks->address);
+
+ tt_int_op(0,OP_EQ, buf_datalen(buf));
+
+ done:
+ ;
+}
+
+/** Perform unsupported SOCKS 5 commands */
+static void
+test_socks_5_unsupported_commands(void *ptr)
+{
+ SOCKS_TEST_INIT();
+
+ /* SOCKS 5 Send unsupported BIND [02] command */
+ ADD_DATA(buf, "\x05\x02\x00\x01");
+
+ tt_int_op(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks),OP_EQ, 0);
+ tt_int_op(0,OP_EQ, buf_datalen(buf));
+ tt_int_op(5,OP_EQ, socks->socks_version);
+ tt_int_op(2,OP_EQ, socks->replylen);
+ tt_int_op(5,OP_EQ, socks->reply[0]);
+ tt_int_op(0,OP_EQ, socks->reply[1]);
+ ADD_DATA(buf, "\x05\x02\x00\x01\x02\x02\x02\x01\x01\x01");
+ tt_int_op(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks),OP_EQ, -1);
+
+ tt_int_op(5,OP_EQ,socks->socks_version);
+ tt_int_op(10,OP_EQ,socks->replylen);
+ tt_int_op(5,OP_EQ,socks->reply[0]);
+ tt_int_op(SOCKS5_COMMAND_NOT_SUPPORTED,OP_EQ,socks->reply[1]);
+ tt_int_op(1,OP_EQ,socks->reply[3]);
+
+ buf_clear(buf);
+ socks_request_clear(socks);
+
+ /* SOCKS 5 Send unsupported UDP_ASSOCIATE [03] command */
+ ADD_DATA(buf, "\x05\x02\x00\x01");
+ tt_int_op(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks),OP_EQ, 0);
+ tt_int_op(5,OP_EQ, socks->socks_version);
+ tt_int_op(2,OP_EQ, socks->replylen);
+ tt_int_op(5,OP_EQ, socks->reply[0]);
+ tt_int_op(0,OP_EQ, socks->reply[1]);
+ ADD_DATA(buf, "\x05\x03\x00\x01\x02\x02\x02\x01\x01\x01");
+ tt_int_op(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks),OP_EQ, -1);
+
+ tt_int_op(5,OP_EQ,socks->socks_version);
+ tt_int_op(10,OP_EQ,socks->replylen);
+ tt_int_op(5,OP_EQ,socks->reply[0]);
+ tt_int_op(SOCKS5_COMMAND_NOT_SUPPORTED,OP_EQ,socks->reply[1]);
+ tt_int_op(1,OP_EQ,socks->reply[3]);
+
+ done:
+ ;
+}
+
+/** Perform supported SOCKS 5 commands */
+static void
+test_socks_5_supported_commands(void *ptr)
+{
+ SOCKS_TEST_INIT();
+
+ /* SOCKS 5 Send CONNECT [01] to IP address 2.2.2.2:4369 */
+ ADD_DATA(buf, "\x05\x01\x00");
+ tt_int_op(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks),OP_EQ, 0);
+ tt_int_op(5,OP_EQ, socks->socks_version);
+ tt_int_op(2,OP_EQ, socks->replylen);
+ tt_int_op(5,OP_EQ, socks->reply[0]);
+ tt_int_op(0,OP_EQ, socks->reply[1]);
+
+ ADD_DATA(buf, "\x05\x01\x00\x01\x02\x02\x02\x02\x11\x11");
+ tt_int_op(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks),OP_EQ, 1);
+ tt_str_op("2.2.2.2",OP_EQ, socks->address);
+ tt_int_op(4369,OP_EQ, socks->port);
+
+ tt_int_op(0,OP_EQ, buf_datalen(buf));
+ socks_request_clear(socks);
+
+ /* SOCKS 5 Send CONNECT [01] to FQDN torproject.org:4369 */
+ ADD_DATA(buf, "\x05\x01\x00");
+ ADD_DATA(buf, "\x05\x01\x00\x03\x0Etorproject.org\x11\x11");
+ tt_int_op(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks),OP_EQ, 1);
+
+ tt_int_op(5,OP_EQ, socks->socks_version);
+ tt_int_op(2,OP_EQ, socks->replylen);
+ tt_int_op(5,OP_EQ, socks->reply[0]);
+ tt_int_op(0,OP_EQ, socks->reply[1]);
+ tt_str_op("torproject.org",OP_EQ, socks->address);
+ tt_int_op(4369,OP_EQ, socks->port);
+
+ tt_int_op(0,OP_EQ, buf_datalen(buf));
+ socks_request_clear(socks);
+
+ /* SOCKS 5 Send RESOLVE [F0] request for torproject.org:4369 */
+ ADD_DATA(buf, "\x05\x01\x00");
+ ADD_DATA(buf, "\x05\xF0\x00\x03\x0Etorproject.org\x01\x02");
+ tt_assert(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks) == 1);
+ tt_int_op(5,OP_EQ, socks->socks_version);
+ tt_int_op(2,OP_EQ, socks->replylen);
+ tt_int_op(5,OP_EQ, socks->reply[0]);
+ tt_int_op(0,OP_EQ, socks->reply[1]);
+ tt_str_op("torproject.org",OP_EQ, socks->address);
+
+ tt_int_op(0,OP_EQ, buf_datalen(buf));
+ socks_request_clear(socks);
+
+ /* SOCKS 5 Should reject RESOLVE [F0] request for IPv4 address
+ * string if SafeSocks is enabled. */
+
+ ADD_DATA(buf, "\x05\x01\x00");
+ ADD_DATA(buf, "\x05\xF0\x00\x03\x07");
+ ADD_DATA(buf, "8.8.8.8");
+ ADD_DATA(buf, "\x01\x02");
+ tt_assert(fetch_from_buf_socks(buf,socks,get_options()->TestSocks,1)
+ == -1);
+
+ tt_int_op(5,OP_EQ,socks->socks_version);
+ tt_int_op(10,OP_EQ,socks->replylen);
+ tt_int_op(5,OP_EQ,socks->reply[0]);
+ tt_int_op(SOCKS5_NOT_ALLOWED,OP_EQ,socks->reply[1]);
+ tt_int_op(1,OP_EQ,socks->reply[3]);
+
+ socks_request_clear(socks);
+
+ /* SOCKS 5 should reject RESOLVE [F0] reject for IPv6 address
+ * string if SafeSocks is enabled. */
+
+ ADD_DATA(buf, "\x05\x01\x00");
+ ADD_DATA(buf, "\x05\xF0\x00\x03\x27");
+ ADD_DATA(buf, "2001:0db8:85a3:0000:0000:8a2e:0370:7334");
+ ADD_DATA(buf, "\x01\x02");
+ tt_assert(fetch_from_buf_socks(buf,socks,get_options()->TestSocks,1)
+ == -1);
+
+ tt_int_op(5,OP_EQ,socks->socks_version);
+ tt_int_op(10,OP_EQ,socks->replylen);
+ tt_int_op(5,OP_EQ,socks->reply[0]);
+ tt_int_op(SOCKS5_NOT_ALLOWED,OP_EQ,socks->reply[1]);
+ tt_int_op(1,OP_EQ,socks->reply[3]);
+
+ socks_request_clear(socks);
+
+ /* SOCKS 5 Send RESOLVE_PTR [F1] for IP address 2.2.2.5 */
+ ADD_DATA(buf, "\x05\x01\x00");
+ ADD_DATA(buf, "\x05\xF1\x00\x01\x02\x02\x02\x05\x01\x03");
+ tt_assert(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks) == 1);
+ tt_int_op(5,OP_EQ, socks->socks_version);
+ tt_int_op(2,OP_EQ, socks->replylen);
+ tt_int_op(5,OP_EQ, socks->reply[0]);
+ tt_int_op(0,OP_EQ, socks->reply[1]);
+ tt_str_op("2.2.2.5",OP_EQ, socks->address);
+
+ tt_int_op(0,OP_EQ, buf_datalen(buf));
+
+ done:
+ ;
+}
+
+/** Perform SOCKS 5 authentication */
+static void
+test_socks_5_no_authenticate(void *ptr)
+{
+ SOCKS_TEST_INIT();
+
+ /*SOCKS 5 No Authentication */
+ ADD_DATA(buf,"\x05\x01\x00");
+ tt_assert(!fetch_from_buf_socks(buf, socks,
+ get_options()->TestSocks,
+ get_options()->SafeSocks));
+ tt_int_op(2,OP_EQ, socks->replylen);
+ tt_int_op(5,OP_EQ, socks->reply[0]);
+ tt_int_op(SOCKS_NO_AUTH,OP_EQ, socks->reply[1]);
+
+ tt_int_op(0,OP_EQ, buf_datalen(buf));
+
+ /*SOCKS 5 Send username/password anyway - pretend to be broken */
+ ADD_DATA(buf,"\x01\x02\x01\x01\x02\x01\x01");
+ tt_assert(!fetch_from_buf_socks(buf, socks,
+ get_options()->TestSocks,
+ get_options()->SafeSocks));
+ tt_int_op(5,OP_EQ, socks->socks_version);
+ tt_int_op(2,OP_EQ, socks->replylen);
+ tt_int_op(1,OP_EQ, socks->reply[0]);
+ tt_int_op(0,OP_EQ, socks->reply[1]);
+
+ tt_int_op(2,OP_EQ, socks->usernamelen);
+ tt_int_op(2,OP_EQ, socks->passwordlen);
+
+ tt_mem_op("\x01\x01",OP_EQ, socks->username, 2);
+ tt_mem_op("\x01\x01",OP_EQ, socks->password, 2);
+
+ done:
+ ;
+}
+
+/** Perform SOCKS 5 authentication */
+static void
+test_socks_5_authenticate(void *ptr)
+{
+ SOCKS_TEST_INIT();
+
+ /* SOCKS 5 Negotiate username/password authentication */
+ ADD_DATA(buf, "\x05\x01\x02");
+
+ tt_assert(!fetch_from_buf_socks(buf, socks,
+ get_options()->TestSocks,
+ get_options()->SafeSocks));
+ tt_int_op(2,OP_EQ, socks->replylen);
+ tt_int_op(5,OP_EQ, socks->reply[0]);
+ tt_int_op(SOCKS_USER_PASS,OP_EQ, socks->reply[1]);
+ tt_int_op(5,OP_EQ, socks->socks_version);
+
+ tt_int_op(0,OP_EQ, buf_datalen(buf));
+
+ /* SOCKS 5 Send username/password */
+ ADD_DATA(buf, "\x01\x02me\x08mypasswd");
+ tt_assert(!fetch_from_buf_socks(buf, socks,
+ get_options()->TestSocks,
+ get_options()->SafeSocks));
+ tt_int_op(5,OP_EQ, socks->socks_version);
+ tt_int_op(2,OP_EQ, socks->replylen);
+ tt_int_op(1,OP_EQ, socks->reply[0]);
+ tt_int_op(0,OP_EQ, socks->reply[1]);
+
+ tt_int_op(2,OP_EQ, socks->usernamelen);
+ tt_int_op(8,OP_EQ, socks->passwordlen);
+
+ tt_mem_op("me",OP_EQ, socks->username, 2);
+ tt_mem_op("mypasswd",OP_EQ, socks->password, 8);
+
+ done:
+ ;
+}
+
+/** Perform SOCKS 5 authentication and send data all in one go */
+static void
+test_socks_5_authenticate_with_data(void *ptr)
+{
+ SOCKS_TEST_INIT();
+
+ /* SOCKS 5 Negotiate username/password authentication */
+ ADD_DATA(buf, "\x05\x01\x02");
+
+ tt_assert(!fetch_from_buf_socks(buf, socks,
+ get_options()->TestSocks,
+ get_options()->SafeSocks));
+ tt_int_op(2,OP_EQ, socks->replylen);
+ tt_int_op(5,OP_EQ, socks->reply[0]);
+ tt_int_op(SOCKS_USER_PASS,OP_EQ, socks->reply[1]);
+ tt_int_op(5,OP_EQ, socks->socks_version);
+
+ tt_int_op(0,OP_EQ, buf_datalen(buf));
+
+ /* SOCKS 5 Send username/password */
+ /* SOCKS 5 Send CONNECT [01] to IP address 2.2.2.2:4369 */
+ ADD_DATA(buf, "\x01\x02me\x03you\x05\x01\x00\x01\x02\x02\x02\x02\x11\x11");
+ tt_assert(fetch_from_buf_socks(buf, socks,
+ get_options()->TestSocks,
+ get_options()->SafeSocks) == 1);
+ tt_int_op(5,OP_EQ, socks->socks_version);
+ tt_int_op(2,OP_EQ, socks->replylen);
+ tt_int_op(1,OP_EQ, socks->reply[0]);
+ tt_int_op(0,OP_EQ, socks->reply[1]);
+
+ tt_str_op("2.2.2.2",OP_EQ, socks->address);
+ tt_int_op(4369,OP_EQ, socks->port);
+
+ tt_int_op(2,OP_EQ, socks->usernamelen);
+ tt_int_op(3,OP_EQ, socks->passwordlen);
+ tt_mem_op("me",OP_EQ, socks->username, 2);
+ tt_mem_op("you",OP_EQ, socks->password, 3);
+
+ done:
+ ;
+}
+
+/** Perform SOCKS 5 authentication before method negotiated */
+static void
+test_socks_5_auth_before_negotiation(void *ptr)
+{
+ SOCKS_TEST_INIT();
+
+ /* SOCKS 5 Send username/password */
+ ADD_DATA(buf, "\x01\x02me\x02me");
+ tt_assert(fetch_from_buf_socks(buf, socks,
+ get_options()->TestSocks,
+ get_options()->SafeSocks) == -1);
+ tt_int_op(0,OP_EQ, socks->socks_version);
+ tt_int_op(0,OP_EQ, socks->replylen);
+ tt_int_op(0,OP_EQ, socks->reply[0]);
+ tt_int_op(0,OP_EQ, socks->reply[1]);
+
+ done:
+ ;
+}
+
+/** Perform malformed SOCKS 5 commands */
+static void
+test_socks_5_malformed_commands(void *ptr)
+{
+ SOCKS_TEST_INIT();
+
+ /* XXX: Stringified address length > MAX_SOCKS_ADDR_LEN will never happen */
+
+ /** SOCKS 5 Send CONNECT [01] to IP address 2.2.2.2:4369, with SafeSocks set
+ */
+ ADD_DATA(buf, "\x05\x01\x00");
+ ADD_DATA(buf, "\x05\x01\x00\x01\x02\x02\x02\x02\x11\x11");
+ tt_int_op(fetch_from_buf_socks(buf, socks, get_options()->TestSocks, 1),
+ OP_EQ, -1);
+
+ tt_int_op(5,OP_EQ,socks->socks_version);
+ tt_int_op(10,OP_EQ,socks->replylen);
+ tt_int_op(5,OP_EQ,socks->reply[0]);
+ tt_int_op(SOCKS5_NOT_ALLOWED,OP_EQ,socks->reply[1]);
+ tt_int_op(1,OP_EQ,socks->reply[3]);
+
+ buf_clear(buf);
+ socks_request_clear(socks);
+
+ /* SOCKS 5 Send RESOLVE_PTR [F1] for FQDN torproject.org */
+ ADD_DATA(buf, "\x05\x01\x00");
+ ADD_DATA(buf, "\x05\xF1\x00\x03\x0Etorproject.org\x11\x11");
+ tt_int_op(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks),OP_EQ, -1);
+
+ tt_int_op(5,OP_EQ,socks->socks_version);
+ tt_int_op(10,OP_EQ,socks->replylen);
+ tt_int_op(5,OP_EQ,socks->reply[0]);
+ tt_int_op(SOCKS5_ADDRESS_TYPE_NOT_SUPPORTED,OP_EQ,socks->reply[1]);
+ tt_int_op(1,OP_EQ,socks->reply[3]);
+
+ buf_clear(buf);
+ socks_request_clear(socks);
+
+ /* XXX: len + 1 > MAX_SOCKS_ADDR_LEN (FQDN request) will never happen */
+
+ /* SOCKS 5 Send CONNECT [01] to FQDN """"".com */
+ ADD_DATA(buf, "\x05\x01\x00");
+ ADD_DATA(buf, "\x05\x01\x00\x03\x09\"\"\"\"\".com\x11\x11");
+ tt_int_op(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks),OP_EQ, -1);
+
+ tt_int_op(5,OP_EQ,socks->socks_version);
+ tt_int_op(10,OP_EQ,socks->replylen);
+ tt_int_op(5,OP_EQ,socks->reply[0]);
+ tt_int_op(SOCKS5_GENERAL_ERROR,OP_EQ,socks->reply[1]);
+ tt_int_op(1,OP_EQ,socks->reply[3]);
+
+ buf_clear(buf);
+ socks_request_clear(socks);
+
+ /* SOCKS 5 Send CONNECT [01] to address type 0x23 */
+ ADD_DATA(buf, "\x05\x01\x00");
+ ADD_DATA(buf, "\x05\x01\x00\x23\x02\x02\x02\x02\x11\x11");
+ tt_int_op(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
+ get_options()->SafeSocks),OP_EQ, -1);
+
+ tt_int_op(5,OP_EQ,socks->socks_version);
+ tt_int_op(10,OP_EQ,socks->replylen);
+ tt_int_op(5,OP_EQ,socks->reply[0]);
+ tt_int_op(SOCKS5_ADDRESS_TYPE_NOT_SUPPORTED,OP_EQ,socks->reply[1]);
+ tt_int_op(1,OP_EQ,socks->reply[3]);
+
+ done:
+ ;
+}
+
+#define SOCKSENT(name) \
+ { #name, test_socks_##name, TT_FORK, &socks_setup, NULL }
+
+struct testcase_t socks_tests[] = {
+ SOCKSENT(4_unsupported_commands),
+ SOCKSENT(4_supported_commands),
+
+ SOCKSENT(5_unsupported_commands),
+ SOCKSENT(5_supported_commands),
+ SOCKSENT(5_no_authenticate),
+ SOCKSENT(5_auth_before_negotiation),
+ SOCKSENT(5_authenticate),
+ SOCKSENT(5_authenticate_with_data),
+ SOCKSENT(5_malformed_commands),
+
+ END_OF_TESTCASES
+};
+