import os import random import sys import tempfile from contextlib import contextmanager import pytest import salt.utils.path import salt.utils.platform import salt.utils.user from tests.support.case import ModuleCase from tests.support.helpers import SKIP_INITIAL_PHOTONOS_FAILURES, dedent from tests.support.runtests import RUNTIME_VARS AVAILABLE_PYTHON_EXECUTABLE = salt.utils.path.which_bin( ["python", "python2", "python2.6", "python2.7"] ) @pytest.mark.windows_whitelisted class CMDModuleTest(ModuleCase): """ Validate the cmd module """ def setUp(self): self.runas_usr = "nobody" if salt.utils.platform.is_darwin(): self.runas_usr = "macsalttest" @contextmanager def _ensure_user_exists(self, name): if name in self.run_function("user.info", [name]).values(): # User already exists; don't touch yield else: # Need to create user for test self.run_function("user.add", [name]) try: yield finally: self.run_function("user.delete", [name], remove=True) @pytest.mark.slow_test @pytest.mark.skip_on_windows def test_run(self): """ cmd.run """ shell = os.environ.get("SHELL") if shell is None: # Failed to get the SHELL var, don't run self.skipTest("Unable to get the SHELL environment variable") self.assertTrue(self.run_function("cmd.run", ["echo $SHELL"])) self.assertEqual( self.run_function( "cmd.run", ["echo $SHELL", f"shell={shell}"], python_shell=True ).rstrip(), shell, ) self.assertEqual( self.run_function("cmd.run", ["ls / | grep etc"], python_shell=True), "etc" ) self.assertEqual( self.run_function( "cmd.run", ['echo {{grains.id}} | awk "{print $1}"'], template="jinja", python_shell=True, ), "minion", ) self.assertEqual( self.run_function( "cmd.run", ["grep f"], stdin="one\ntwo\nthree\nfour\nfive\n" ), "four\nfive", ) self.assertEqual( self.run_function( "cmd.run", ["cat"], stdin="one\\ntwo", stdin_raw_newlines=False ), "one\ntwo", ) self.assertEqual( self.run_function( "cmd.run", ["cat"], stdin="one\\ntwo", stdin_raw_newlines=True ), "one\\ntwo", ) self.assertEqual( self.run_function( "cmd.run", ['echo "a=b" | sed -e s/=/:/g'], python_shell=True ), "a:b", ) @pytest.mark.slow_test def test_stdout(self): """ cmd.run_stdout """ self.assertEqual( self.run_function("cmd.run_stdout", ['echo "cheese"']).rstrip(), "cheese" if not salt.utils.platform.is_windows() else '"cheese"', ) @pytest.mark.slow_test def test_stderr(self): """ cmd.run_stderr """ if sys.platform.startswith(("freebsd", "openbsd")): shell = "/bin/sh" else: shell = "/bin/bash" self.assertEqual( self.run_function( "cmd.run_stderr", ['echo "cheese" 1>&2', f"shell={shell}"], python_shell=True, ).rstrip(), "cheese" if not salt.utils.platform.is_windows() else '"cheese"', ) @pytest.mark.slow_test def test_run_all(self): """ cmd.run_all """ if sys.platform.startswith(("freebsd", "openbsd")): shell = "/bin/sh" else: shell = "/bin/bash" ret = self.run_function( "cmd.run_all", ['echo "cheese" 1>&2', f"shell={shell}"], python_shell=True, ) self.assertTrue("pid" in ret) self.assertTrue("retcode" in ret) self.assertTrue("stdout" in ret) self.assertTrue("stderr" in ret) self.assertTrue(isinstance(ret.get("pid"), int)) self.assertTrue(isinstance(ret.get("retcode"), int)) self.assertTrue(isinstance(ret.get("stdout"), str)) self.assertTrue(isinstance(ret.get("stderr"), str)) self.assertEqual( ret.get("stderr").rstrip(), "cheese" if not salt.utils.platform.is_windows() else '"cheese"', ) @pytest.mark.slow_test def test_retcode(self): """ cmd.retcode """ self.assertEqual( self.run_function("cmd.retcode", ["exit 0"], python_shell=True), 0 ) self.assertEqual( self.run_function("cmd.retcode", ["exit 1"], python_shell=True), 1 ) @pytest.mark.slow_test def test_run_all_with_success_retcodes(self): """ cmd.run with success_retcodes """ ret = self.run_function( "cmd.run_all", ["exit 42"], success_retcodes=[42], python_shell=True ) self.assertTrue("retcode" in ret) self.assertEqual(ret.get("retcode"), 0) @pytest.mark.slow_test def test_retcode_with_success_retcodes(self): """ cmd.run with success_retcodes """ ret = self.run_function( "cmd.retcode", ["exit 42"], success_retcodes=[42], python_shell=True ) self.assertEqual(ret, 0) @pytest.mark.slow_test def test_run_all_with_success_stderr(self): """ cmd.run with success_retcodes """ random_file = "{}{}{}".format( RUNTIME_VARS.TMP_ROOT_DIR, os.path.sep, random.random() ) if salt.utils.platform.is_windows(): func = "type" expected_stderr = "cannot find the file specified" else: func = "cat" expected_stderr = "No such file or directory" ret = self.run_function( "cmd.run_all", [f"{func} {random_file}"], success_stderr=[expected_stderr], python_shell=True, ) self.assertTrue("retcode" in ret) self.assertEqual(ret.get("retcode"), 0) @pytest.mark.slow_test def test_blacklist_glob(self): """ cmd_blacklist_glob """ self.assertEqual( self.run_function("cmd.run", ["bad_command --foo"]).rstrip(), 'ERROR: The shell command "bad_command --foo" is not permitted', ) @pytest.mark.slow_test @pytest.mark.skip_on_windows def test_script(self): """ cmd.script """ args = "saltines crackers biscuits=yes" script = "salt://script.py" ret = self.run_function("cmd.script", [script, args], saltenv="base") self.assertEqual(ret["stdout"], args) @pytest.mark.slow_test @pytest.mark.skip_on_windows def test_script_query_string(self): """ cmd.script """ args = "saltines crackers biscuits=yes" script = "salt://script.py?saltenv=base" ret = self.run_function("cmd.script", [script, args], saltenv="base") self.assertEqual(ret["stdout"], args) @pytest.mark.slow_test @pytest.mark.skip_on_windows def test_script_retcode(self): """ cmd.script_retcode """ script = "salt://script.py" ret = self.run_function("cmd.script_retcode", [script], saltenv="base") self.assertEqual(ret, 0) @pytest.mark.slow_test @pytest.mark.skip_on_windows def test_script_cwd(self): """ cmd.script with cwd """ tmp_cwd = tempfile.mkdtemp(dir=RUNTIME_VARS.TMP) args = "saltines crackers biscuits=yes" script = "salt://script.py" ret = self.run_function( "cmd.script", [script, args], cwd=tmp_cwd, saltenv="base" ) self.assertEqual(ret["stdout"], args) @pytest.mark.slow_test @pytest.mark.skip_on_windows def test_script_cwd_with_space(self): """ cmd.script with cwd """ tmp_cwd = "{}{}test 2".format( tempfile.mkdtemp(dir=RUNTIME_VARS.TMP), os.path.sep ) os.mkdir(tmp_cwd) args = "saltines crackers biscuits=yes" script = "salt://script.py" ret = self.run_function( "cmd.script", [script, args], cwd=tmp_cwd, saltenv="base" ) self.assertEqual(ret["stdout"], args) @pytest.mark.destructive_test def test_tty(self): """ cmd.tty """ for tty in ("tty0", "pts3"): if os.path.exists(os.path.join("/dev", tty)): ret = self.run_function("cmd.tty", [tty, "apply salt liberally"]) self.assertTrue("Success" in ret) @pytest.mark.skip_on_windows @pytest.mark.skip_if_binaries_missing("which") def test_which(self): """ cmd.which """ cmd_which = self.run_function("cmd.which", ["cat"]) self.assertIsInstance(cmd_which, str) cmd_run = self.run_function("cmd.run", ["which cat"]) self.assertIsInstance(cmd_run, str) self.assertEqual(cmd_which.rstrip(), cmd_run.rstrip()) @pytest.mark.skip_on_windows @pytest.mark.skip_if_binaries_missing("which") def test_which_bin(self): """ cmd.which_bin """ cmds = ["pip3", "pip2", "pip", "pip-python"] ret = self.run_function("cmd.which_bin", [cmds]) self.assertTrue(os.path.split(ret)[1] in cmds) @pytest.mark.slow_test def test_has_exec(self): """ cmd.has_exec """ self.assertTrue( self.run_function("cmd.has_exec", [AVAILABLE_PYTHON_EXECUTABLE]) ) self.assertFalse( self.run_function("cmd.has_exec", ["alllfsdfnwieulrrh9123857ygf"]) ) @pytest.mark.slow_test def test_exec_code(self): """ cmd.exec_code """ code = dedent( """ import sys sys.stdout.write('cheese') """ ) self.assertEqual( self.run_function( "cmd.exec_code", [AVAILABLE_PYTHON_EXECUTABLE, code] ).rstrip(), "cheese", ) @pytest.mark.slow_test def test_exec_code_with_single_arg(self): """ cmd.exec_code """ code = dedent( """ import sys sys.stdout.write(sys.argv[1]) """ ) arg = "cheese" self.assertEqual( self.run_function( "cmd.exec_code", [AVAILABLE_PYTHON_EXECUTABLE, code], args=arg ).rstrip(), arg, ) @pytest.mark.slow_test def test_exec_code_with_multiple_args(self): """ cmd.exec_code """ code = dedent( """ import sys sys.stdout.write(sys.argv[1]) """ ) arg = "cheese" self.assertEqual( self.run_function( "cmd.exec_code", [AVAILABLE_PYTHON_EXECUTABLE, code], args=[arg, "test"] ).rstrip(), arg, ) @pytest.mark.slow_test def test_quotes(self): """ cmd.run with quoted command """ cmd = """echo 'SELECT * FROM foo WHERE bar="baz"' """ expected_result = 'SELECT * FROM foo WHERE bar="baz"' if salt.utils.platform.is_windows(): expected_result = "'SELECT * FROM foo WHERE bar=\"baz\"'" result = self.run_function("cmd.run_stdout", [cmd]).strip() self.assertEqual(result, expected_result) @pytest.mark.skip_if_not_root @pytest.mark.skip_on_windows(reason="Skip on Windows, requires password") def test_quotes_runas(self): """ cmd.run with quoted command """ cmd = """echo 'SELECT * FROM foo WHERE bar="baz"' """ expected_result = 'SELECT * FROM foo WHERE bar="baz"' result = self.run_function( "cmd.run_all", [cmd], runas=RUNTIME_VARS.RUNNING_TESTS_USER ) errmsg = f"The command returned: {result}" self.assertEqual(result["retcode"], 0, errmsg) self.assertEqual(result["stdout"], expected_result, errmsg) @pytest.mark.destructive_test @pytest.mark.skip_if_not_root @pytest.mark.skip_on_windows(reason="Skip on Windows, uses unix commands") @pytest.mark.slow_test def test_avoid_injecting_shell_code_as_root(self): """ cmd.run should execute the whole command as the "runas" user, not running substitutions as root. """ cmd = "echo $(id -u)" root_id = self.run_function("cmd.run_stdout", [cmd]) runas_root_id = self.run_function( "cmd.run_stdout", [cmd], runas=RUNTIME_VARS.RUNNING_TESTS_USER ) with self._ensure_user_exists(self.runas_usr): user_id = self.run_function("cmd.run_stdout", [cmd], runas=self.runas_usr) self.assertNotEqual(user_id, root_id) self.assertNotEqual(user_id, runas_root_id) self.assertEqual(root_id, runas_root_id) @pytest.mark.destructive_test @pytest.mark.skip_if_not_root @pytest.mark.skip_on_windows(reason="Skip on Windows, uses unix commands") @pytest.mark.slow_test def test_cwd_runas(self): """ cmd.run should be able to change working directory correctly, whether or not runas is in use. """ cmd = "pwd" tmp_cwd = tempfile.mkdtemp(dir=RUNTIME_VARS.TMP) os.chmod(tmp_cwd, 0o711) cwd_normal = self.run_function("cmd.run_stdout", [cmd], cwd=tmp_cwd).rstrip( "\n" ) self.assertEqual(tmp_cwd, cwd_normal) with self._ensure_user_exists(self.runas_usr): cwd_runas = self.run_function( "cmd.run_stdout", [cmd], cwd=tmp_cwd, runas=self.runas_usr ).rstrip("\n") self.assertEqual(tmp_cwd, cwd_runas) @pytest.mark.destructive_test @pytest.mark.skip_if_not_root @pytest.mark.skip_unless_on_darwin(reason="Applicable to MacOS only") @pytest.mark.slow_test def test_runas_env(self): """ cmd.run should be able to change working directory correctly, whether or not runas is in use. """ with self._ensure_user_exists(self.runas_usr): user_path = self.run_function( "cmd.run_stdout", ['printf %s "$PATH"'], runas=self.runas_usr ) # XXX: Not sure of a better way. Environment starts out with # /bin:/usr/bin and should be populated by path helper and the bash # profile. self.assertNotEqual("/bin:/usr/bin", user_path) @pytest.mark.destructive_test @pytest.mark.skip_if_not_root @pytest.mark.skip_unless_on_darwin(reason="Applicable to MacOS only") @pytest.mark.slow_test def test_runas_complex_command_bad_cwd(self): """ cmd.run should not accidentally run parts of a complex command when given a cwd which cannot be used by the user the command is run as. Due to the need to use `su -l` to login to another user on MacOS, we cannot cd into directories that the target user themselves does not have execute permission for. To an extent, this test is testing that buggy behaviour, but its purpose is to ensure that the greater bug of running commands after failing to cd does not occur. """ tmp_cwd = tempfile.mkdtemp(dir=RUNTIME_VARS.TMP) os.chmod(tmp_cwd, 0o700) with self._ensure_user_exists(self.runas_usr): cmd_result = self.run_function( "cmd.run_all", ['pwd; pwd; : $(echo "You have failed the test" >&2)'], cwd=tmp_cwd, runas=self.runas_usr, ) self.assertEqual("", cmd_result["stdout"]) self.assertNotIn("You have failed the test", cmd_result["stderr"]) self.assertNotEqual(0, cmd_result["retcode"]) @SKIP_INITIAL_PHOTONOS_FAILURES @pytest.mark.skip_on_windows @pytest.mark.skip_if_not_root @pytest.mark.destructive_test @pytest.mark.slow_test def test_runas(self): """ Ensure that the env is the runas user's """ with self._ensure_user_exists(self.runas_usr): out = self.run_function( "cmd.run", ["env"], runas=self.runas_usr, cwd="/tmp" ).splitlines() self.assertIn(f"USER={self.runas_usr}", out) @pytest.mark.skip_if_binaries_missing("sleep", reason="sleep cmd not installed") def test_timeout(self): """ cmd.run trigger timeout """ out = self.run_function( "cmd.run", ["sleep 2 && echo hello"], f_timeout=1, python_shell=True ) self.assertTrue("Timed out" in out) @pytest.mark.skip_if_binaries_missing("sleep", reason="sleep cmd not installed") def test_timeout_success(self): """ cmd.run sufficient timeout to succeed """ out = self.run_function( "cmd.run", ["sleep 1 && echo hello"], f_timeout=2, python_shell=True ) self.assertEqual(out, "hello") @pytest.mark.slow_test def test_hide_output(self): """ Test the hide_output argument """ ls_command = ( ["ls", "/"] if not salt.utils.platform.is_windows() else ["dir", "c:\\"] ) error_command = ["thiscommanddoesnotexist"] # cmd.run out = self.run_function("cmd.run", ls_command, hide_output=True) self.assertEqual(out, "") # cmd.shell out = self.run_function("cmd.shell", ls_command, hide_output=True) self.assertEqual(out, "") # cmd.run_stdout out = self.run_function("cmd.run_stdout", ls_command, hide_output=True) self.assertEqual(out, "") # cmd.run_stderr out = self.run_function("cmd.shell", error_command, hide_output=True) self.assertEqual(out, "") # cmd.run_all (command should have produced stdout) out = self.run_function("cmd.run_all", ls_command, hide_output=True) self.assertEqual(out["stdout"], "") self.assertEqual(out["stderr"], "") # cmd.run_all (command should have produced stderr) out = self.run_function("cmd.run_all", error_command, hide_output=True) self.assertEqual(out["stdout"], "") self.assertEqual(out["stderr"], "") @pytest.mark.slow_test def test_cmd_run_whoami(self): """ test return of whoami """ if not salt.utils.platform.is_windows(): user = RUNTIME_VARS.RUNTIME_CONFIGS["master"]["user"] else: user = salt.utils.user.get_specific_user() if user.startswith("sudo_"): user = user.replace("sudo_", "") cmd = self.run_function("cmd.run", ["whoami"]) try: self.assertEqual(user.lower(), cmd.lower()) except AssertionError as exc: if not salt.utils.platform.is_windows(): raise exc from None if "\\" in user: user = user.split("\\")[-1] self.assertEqual(user.lower(), cmd.lower()) @pytest.mark.skip_unless_on_windows(reason="Minion is not Windows") @pytest.mark.slow_test def test_windows_env_handling(self): """ Ensure that nt.environ is used properly with cmd.run* """ out = self.run_function( "cmd.run", ["set"], env={"abc": "123", "ABC": "456"} ).splitlines() self.assertIn("abc=123", out) self.assertIn("ABC=456", out)