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GUACAMOLE-637: Add unit tests for RDP filesystem path normalization.

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This commit is contained in:
Michael Jumper 2019-04-07 13:55:15 -07:00
parent f19754cfa6
commit 591e494dfd
5 changed files with 294 additions and 0 deletions
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5
configure.ac
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@ -151,6 +151,10 @@ AC_SUBST([PULSE_INCLUDE], '-I$(top_srcdir)/src/pulse')
AC_SUBST([COMMON_SSH_LTLIB], '$(top_builddir)/src/common-ssh/libguac_common_ssh.la')
AC_SUBST([COMMON_SSH_INCLUDE], '-I$(top_srcdir)/src/common-ssh')
# RDP support
AC_SUBST([LIBGUAC_CLIENT_RDP_LTLIB], '$(top_builddir)/src/protocols/rdp/libguac-client-rdp.la')
AC_SUBST([LIBGUAC_CLIENT_RDP_INCLUDE], '-I$(top_srcdir)/src/protocols/rdp')
# Terminal emulator
AC_SUBST([TERMINAL_LTLIB], '$(top_builddir)/src/terminal/libguac_terminal.la')
AC_SUBST([TERMINAL_INCLUDE], '-I$(top_srcdir)/src/terminal $(PANGO_CFLAGS) $(PANGOCAIRO_CFLAGS) $(COMMON_INCLUDE)')
@ -1331,6 +1335,7 @@ AC_CONFIG_FILES([Makefile
src/pulse/Makefile
src/protocols/kubernetes/Makefile
src/protocols/rdp/Makefile
src/protocols/rdp/tests/Makefile
src/protocols/ssh/Makefile
src/protocols/telnet/Makefile
src/protocols/vnc/Makefile])

8
src/protocols/rdp/.gitignore vendored Normal file
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@ -0,0 +1,8 @@
# Auto-generated test runner and binary
_generated_runner.c
test_rdp
# Autogenerated sources
_generated_keymaps.c

1
src/protocols/rdp/Makefile.am
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@ -27,6 +27,7 @@ AUTOMAKE_OPTIONS = foreign
ACLOCAL_AMFLAGS = -I m4
lib_LTLIBRARIES = libguac-client-rdp.la
SUBDIRS = . tests
nodist_libguac_client_rdp_la_SOURCES = \
_generated_keymaps.c

64
src/protocols/rdp/tests/Makefile.am Normal file
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@ -0,0 +1,64 @@
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
# NOTE: Parts of this file (Makefile.am) are automatically transcluded verbatim
# into Makefile.in. Though the build system (GNU Autotools) automatically adds
# its own license boilerplate to the generated Makefile.in, that boilerplate
# does not apply to the transcluded portions of Makefile.am which are licensed
# to you by the ASF under the Apache License, Version 2.0, as described above.
#
AUTOMAKE_OPTIONS = foreign
ACLOCAL_AMFLAGS = -I m4
#
# Unit tests for RDP support
#
check_PROGRAMS = test_rdp
TESTS = $(check_PROGRAMS)
test_rdp_SOURCES = \
fs/normalize_path.c
test_rdp_CFLAGS = \
-Werror -Wall -pedantic \
@LIBGUAC_CLIENT_RDP_INCLUDE@
test_rdp_LDADD = \
@CUNIT_LIBS@ \
@LIBGUAC_CLIENT_RDP_LTLIB@
#
# Autogenerate test runner
#
GEN_RUNNER = $(top_srcdir)/util/generate-test-runner.pl
CLEANFILES = _generated_runner.c
_generated_runner.c: $(test_rdp_SOURCES)
$(AM_V_GEN) $(GEN_RUNNER) $(test_rdp_SOURCES) > $@
nodist_test_rdp_SOURCES = \
_generated_runner.c
# Use automake's TAP test driver for running any tests
LOG_DRIVER = \
env AM_TAP_AWK='$(AWK)' \
$(SHELL) $(top_srcdir)/build-aux/tap-driver.sh

216
src/protocols/rdp/tests/fs/normalize_path.c Normal file
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@ -0,0 +1,216 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#include "rdp_fs.h"
#include <CUnit/CUnit.h>
#include <stdlib.h>
/**
* Test which verifies absolute Windows-style paths are correctly normalized to
* absolute paths with Windows separators and no relative components.
*/
void test_fs__normalize_absolute_windows() {
char normalized[GUAC_RDP_FS_MAX_PATH];
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("\\", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\", sizeof(normalized));
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("\\foo\\bar\\baz", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\foo\\bar\\baz", sizeof(normalized));
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("\\foo\\bar\\..\\baz\\", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\foo\\baz", sizeof(normalized));
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("\\foo\\bar\\..\\..\\baz\\a\\..\\b", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\baz\\b", sizeof(normalized));
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("\\foo\\.\\bar\\baz", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\foo\\bar\\baz", sizeof(normalized));
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("\\foo\\bar\\..\\..\\..\\..\\..\\..\\baz", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\baz", sizeof(normalized));
}
/**
* Test which verifies absolute UNIX-style paths are correctly normalized to
* absolute paths with Windows separators and no relative components.
*/
void test_fs__normalize_absolute_unix() {
char normalized[GUAC_RDP_FS_MAX_PATH];
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("/", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\", sizeof(normalized));
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("/foo/bar/baz", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\foo\\bar\\baz", sizeof(normalized));
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("/foo/bar/../baz/", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\foo\\baz", sizeof(normalized));
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("/foo/bar/../../baz/a/../b", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\baz\\b", sizeof(normalized));
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("/foo/./bar/baz", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\foo\\bar\\baz", sizeof(normalized));
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("/foo/bar/../../../../../../baz", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\baz", sizeof(normalized));
}
/**
* Test which verifies absolute paths consisting of mixed Windows and UNIX path
* separators are correctly normalized to absolute paths with Windows
* separators and no relative components.
*/
void test_fs__normalize_absolute_mixed() {
char normalized[GUAC_RDP_FS_MAX_PATH];
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("\\foo/bar\\baz", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\foo\\bar\\baz", sizeof(normalized));
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("/foo\\bar/..\\baz/", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\foo\\baz", sizeof(normalized));
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("\\foo/bar\\../../baz\\a\\..\\b", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\baz\\b", sizeof(normalized));
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("\\foo\\.\\bar/baz", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\foo\\bar\\baz", sizeof(normalized));
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path("\\foo/bar\\../..\\..\\..\\../..\\baz", normalized), 0)
CU_ASSERT_NSTRING_EQUAL(normalized, "\\baz", sizeof(normalized));
}
/**
* Test which verifies relative Windows-style paths are always rejected.
*/
void test_fs__normalize_relative_windows() {
char normalized[GUAC_RDP_FS_MAX_PATH];
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path(".", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("..", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("foo", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path(".\\foo", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("..\\foo", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("foo\\bar\\baz", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path(".\\foo\\bar\\baz", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("..\\foo\\bar\\baz", normalized), 0)
}
/**
* Test which verifies relative UNIX-style paths are always rejected.
*/
void test_fs__normalize_relative_unix() {
char normalized[GUAC_RDP_FS_MAX_PATH];
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path(".", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("..", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("foo", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("./foo", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("../foo", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("foo/bar/baz", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("./foo/bar/baz", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("../foo/bar/baz", normalized), 0)
}
/**
* Test which verifies relative paths consisting of mixed Windows and UNIX path
* separators are always rejected.
*/
void test_fs__normalize_relative_mixed() {
char normalized[GUAC_RDP_FS_MAX_PATH];
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("foo\\bar/baz", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path(".\\foo/bar/baz", normalized), 0)
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path("../foo\\bar\\baz", normalized), 0)
}
/**
* Generates a dynamically-allocated path having the given number of bytes, not
* counting the null-terminator. The path will contain only Windows-style path
* separators. The returned path must eventually be freed with a call to
* free().
*
* @param length
* The number of bytes to include in the generated path, not counting the
* null-terminator.
*
* @return
* A dynamically-allocated path containing the given number of bytes, not
* counting the null-terminator. This path must eventually be freed with a
* call to free().
*/
static char* generate_path(int length) {
int i;
char* input = malloc(length + 1);
/* Fill path with \x\x\x\x\x\x\x\x\x\x\... */
for (i = 0; i < length; i++) {
input[i] = (i % 2 == 0) ? '\\' : 'x';
}
/* Add null terminator */
input[length] = '\0';
return input;
}
/**
* Test which verifies that paths exceeding the maximum path length are
* rejected.
*/
void test_fs__normalize_long() {
char* input;
char normalized[GUAC_RDP_FS_MAX_PATH];
/* Exceeds maximum length by a factor of 2 */
input = generate_path(GUAC_RDP_FS_MAX_PATH*2);
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path(input, normalized), 0);
free(input);
/* Exceeds maximum length by one byte */
input = generate_path(GUAC_RDP_FS_MAX_PATH);
CU_ASSERT_NOT_EQUAL(guac_rdp_fs_normalize_path(input, normalized), 0);
free(input);
/* Exactly maximum length */
input = generate_path(GUAC_RDP_FS_MAX_PATH - 1);
CU_ASSERT_EQUAL(guac_rdp_fs_normalize_path(input, normalized), 0);
free(input);
}