civetweb/test/private.c

/* Copyright (c) 2015 the Civetweb developers
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

/**
 * We include the source file so that we have access to the internal private
 * static functions
 */
#ifdef _MSC_VER
#define _CRT_SECURE_NO_WARNINGS
#define CIVETWEB_API static
#endif
#include "../src/civetweb.c"

#include <stdlib.h>

#include "private.h"

/* This unit test file uses the excellent Check unit testing library.
 * The API documentation is available here:
 * http://check.sourceforge.net/doc/check_html/index.html
 */

START_TEST(test_parse_http_message)
{
	/* Adapted from unit_test.c */
	/* Copyright (c) 2013-2015 the Civetweb developers */
	/* Copyright (c) 2004-2013 Sergey Lyubka */
	struct mg_request_info ri;
	char empty[] = "";
	char req1[] = "GET / HTTP/1.1\r\n\r\n";
	char req2[] = "BLAH / HTTP/1.1\r\n\r\n";
	char req3[] = "GET / HTTP/1.1\r\nBah\r\n";
	char req4[] = "GET / HTTP/1.1\r\nA: foo bar\r\nB: bar\r\nbaz\r\n\r\n";
	char req5[] = "GET / HTTP/1.1\r\n\r\n";
	char req6[] = "G";
	char req7[] = " blah ";
	char req8[] = " HTTP/1.1 200 OK \n\n";
	char req9[] = "HTTP/1.1 200 OK\r\nConnection: close\r\n\r\n";

	ck_assert_int_eq(sizeof(req9) - 1,
	                 parse_http_message(req9, sizeof(req9), &ri));
	ck_assert_int_eq(1, ri.num_headers);

	ck_assert_int_eq(sizeof(req1) - 1,
	                 parse_http_message(req1, sizeof(req1), &ri));
	ck_assert_str_eq("1.1", ri.http_version);
	ck_assert_int_eq(0, ri.num_headers);

	ck_assert_int_eq(-1, parse_http_message(req2, sizeof(req2), &ri));
	ck_assert_int_eq(0, parse_http_message(req3, sizeof(req3), &ri));
	ck_assert_int_eq(0, parse_http_message(req6, sizeof(req6), &ri));
	ck_assert_int_eq(0, parse_http_message(req7, sizeof(req7), &ri));
	ck_assert_int_eq(0, parse_http_message(empty, 0, &ri));
	ck_assert_int_eq(sizeof(req8) - 1,
	                 parse_http_message(req8, sizeof(req8), &ri));

	/* TODO(lsm): Fix this. Header value may span multiple lines. */
	ck_assert_int_eq(sizeof(req4) - 1,
	                 parse_http_message(req4, sizeof(req4), &ri));
	ck_assert_str_eq("1.1", ri.http_version);
	ck_assert_int_eq(3, ri.num_headers);
	ck_assert_str_eq("A", ri.http_headers[0].name);
	ck_assert_str_eq("foo bar", ri.http_headers[0].value);
	ck_assert_str_eq("B", ri.http_headers[1].name);
	ck_assert_str_eq("bar", ri.http_headers[1].value);
	ck_assert_str_eq("baz\r\n\r", ri.http_headers[2].name);
	ck_assert_str_eq("", ri.http_headers[2].value);

	ck_assert_int_eq(sizeof(req5) - 1,
	                 parse_http_message(req5, sizeof(req5), &ri));
	ck_assert_str_eq("GET", ri.request_method);
	ck_assert_str_eq("1.1", ri.http_version);
}
END_TEST


START_TEST(test_should_keep_alive)
{
	/* Adapted from unit_test.c */
	/* Copyright (c) 2013-2015 the Civetweb developers */
	/* Copyright (c) 2004-2013 Sergey Lyubka */
	struct mg_connection conn;
	struct mg_context ctx;
	char req1[] = "GET / HTTP/1.1\r\n\r\n";
	char req2[] = "GET / HTTP/1.0\r\n\r\n";
	char req3[] = "GET / HTTP/1.1\r\nConnection: close\r\n\r\n";
	char req4[] = "GET / HTTP/1.1\r\nConnection: keep-alive\r\n\r\n";

	memset(&conn, 0, sizeof(conn));
	conn.ctx = &ctx;
	ck_assert_int_eq(parse_http_message(req1, sizeof(req1), &conn.request_info),
	                 sizeof(req1) - 1);

	ctx.config[ENABLE_KEEP_ALIVE] = "no";
	ck_assert_int_eq(should_keep_alive(&conn), 0);

	ctx.config[ENABLE_KEEP_ALIVE] = "yes";
	ck_assert_int_eq(should_keep_alive(&conn), 1);

	conn.must_close = 1;
	ck_assert_int_eq(should_keep_alive(&conn), 0);

	conn.must_close = 0;
	parse_http_message(req2, sizeof(req2), &conn.request_info);
	ck_assert_int_eq(should_keep_alive(&conn), 0);

	parse_http_message(req3, sizeof(req3), &conn.request_info);
	ck_assert_int_eq(should_keep_alive(&conn), 0);

	parse_http_message(req4, sizeof(req4), &conn.request_info);
	ck_assert_int_eq(should_keep_alive(&conn), 1);

	conn.status_code = 401;
	ck_assert_int_eq(should_keep_alive(&conn), 0);

	conn.status_code = 200;
	conn.must_close = 1;
	ck_assert_int_eq(should_keep_alive(&conn), 0);
}
END_TEST


START_TEST(test_match_prefix)
{
	/* Adapted from unit_test.c */
	/* Copyright (c) 2013-2015 the Civetweb developers */
	/* Copyright (c) 2004-2013 Sergey Lyubka */
	ck_assert_int_eq(4, match_prefix("/api", 4, "/api"));
	ck_assert_int_eq(3, match_prefix("/a/", 3, "/a/b/c"));
	ck_assert_int_eq(-1, match_prefix("/a/", 3, "/ab/c"));
	ck_assert_int_eq(4, match_prefix("/*/", 3, "/ab/c"));
	ck_assert_int_eq(6, match_prefix("**", 2, "/a/b/c"));
	ck_assert_int_eq(2, match_prefix("/*", 2, "/a/b/c"));
	ck_assert_int_eq(2, match_prefix("*/*", 3, "/a/b/c"));
	ck_assert_int_eq(5, match_prefix("**/", 3, "/a/b/c"));
	ck_assert_int_eq(5, match_prefix("**.foo|**.bar", 13, "a.bar"));
	ck_assert_int_eq(2, match_prefix("a|b|cd", 6, "cdef"));
	ck_assert_int_eq(2, match_prefix("a|b|c?", 6, "cdef"));
	ck_assert_int_eq(1, match_prefix("a|?|cd", 6, "cdef"));
	ck_assert_int_eq(-1, match_prefix("/a/**.cgi", 9, "/foo/bar/x.cgi"));
	ck_assert_int_eq(12, match_prefix("/a/**.cgi", 9, "/a/bar/x.cgi"));
	ck_assert_int_eq(5, match_prefix("**/", 3, "/a/b/c"));
	ck_assert_int_eq(-1, match_prefix("**/$", 4, "/a/b/c"));
	ck_assert_int_eq(5, match_prefix("**/$", 4, "/a/b/"));
	ck_assert_int_eq(0, match_prefix("$", 1, ""));
	ck_assert_int_eq(-1, match_prefix("$", 1, "x"));
	ck_assert_int_eq(1, match_prefix("*$", 2, "x"));
	ck_assert_int_eq(1, match_prefix("/$", 2, "/"));
	ck_assert_int_eq(-1, match_prefix("**/$", 4, "/a/b/c"));
	ck_assert_int_eq(5, match_prefix("**/$", 4, "/a/b/"));
	ck_assert_int_eq(0, match_prefix("*", 1, "/hello/"));
	ck_assert_int_eq(-1, match_prefix("**.a$|**.b$", 11, "/a/b.b/"));
	ck_assert_int_eq(6, match_prefix("**.a$|**.b$", 11, "/a/b.b"));
	ck_assert_int_eq(6, match_prefix("**.a$|**.b$", 11, "/a/B.A"));
	ck_assert_int_eq(5, match_prefix("**o$", 4, "HELLO"));
}
END_TEST


START_TEST(test_remove_double_dots_and_double_slashes)
{
	/* Adapted from unit_test.c */
	/* Copyright (c) 2013-2015 the Civetweb developers */
	/* Copyright (c) 2004-2013 Sergey Lyubka */
	struct {
		char before[20], after[20];
	} data[] = {
	    {"////a", "/a"},
	    {"/.....", "/."},
	    {"/......", "/"},
	    {"...", "..."},
	    {"/...///", "/./"},
	    {"/a...///", "/a.../"},
	    {"/.x", "/.x"},
	    {"/\\", "/"},
	    {"/a\\", "/a\\"},
	    {"/a\\\\...", "/a\\."},
	};
	size_t i;

	for (i = 0; i < ARRAY_SIZE(data); i++) {
		remove_double_dots_and_double_slashes(data[i].before);
		ck_assert_str_eq(data[i].before, data[i].after);
	}
}
END_TEST


START_TEST(test_is_valid_uri)
{
	ck_assert_int_eq(1, is_valid_uri("/api"));
	ck_assert_int_eq(0, is_valid_uri("api"));
	ck_assert_int_eq(1, is_valid_uri("*"));
	ck_assert_int_eq(0, is_valid_uri("*xy"));
}
END_TEST


START_TEST(test_base64_encode_decode)
{
	char buf[64];
	const char *alpha = "abcdefghijklmnopqrstuvwxyz";
	const char *enc = "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXo=";
	int ret;
	size_t len;

#if defined(USE_WEBSOCKET) || defined(USE_LUA)
	memset(buf, 77, sizeof(buf));
	base64_encode("a", 1, buf);
	ck_assert_str_eq(buf, "YQ==");

	memset(buf, 77, sizeof(buf));
	base64_encode("ab", 1, buf);
	ck_assert_str_eq(buf, "YQ==");

	memset(buf, 77, sizeof(buf));
	base64_encode("ab", 2, buf);
	ck_assert_str_eq(buf, "YWI=");

	memset(buf, 77, sizeof(buf));
	base64_encode(alpha, 3, buf);
	ck_assert_str_eq(buf, "YWJj");

	memset(buf, 77, sizeof(buf));
	base64_encode(alpha, 4, buf);
	ck_assert_str_eq(buf, "YWJjZA==");

	memset(buf, 77, sizeof(buf));
	base64_encode(alpha, 5, buf);
	ck_assert_str_eq(buf, "YWJjZGU=");

	memset(buf, 77, sizeof(buf));
	base64_encode(alpha, 6, buf);
	ck_assert_str_eq(buf, "YWJjZGVm");

	memset(buf, 77, sizeof(buf));
	base64_encode(alpha, strlen(alpha), buf);
	ck_assert_str_eq(buf, enc;
#endif

#if defined(USE_LUA)
    memset(buf, 77, sizeof(buf));
    len = 9999;
    ret = base64_decode(enc, strlen(enc), buf, &len);
    ck_assert_int_eq(ret, -1);
    ck_assert_uint_eq((unsigned int)len, (unsigned int)strlen(alpha));
    ck_assert_str_eq(buf, alpha);

    memset(buf, 77, sizeof(buf));
    len = 9999;
    ret = base64_decode("AAA*AAA", 7, buf, &len);
    ck_assert_int_eq(ret, 3);
#endif
}
END_TEST


Suite *make_private_suite(void)
{
	Suite *const suite = suite_create("Private");

	TCase *const http_message = tcase_create("HTTP Message");
	TCase *const url_parsing = tcase_create("URL Parsing");
	TCase *const encode_decode = tcase_create("Encode Decode");

	tcase_add_test(http_message, test_parse_http_message);
	tcase_add_test(http_message, test_should_keep_alive);
	suite_add_tcase(suite, http_message);

	tcase_add_test(url_parsing, test_match_prefix);
	tcase_add_test(url_parsing, test_remove_double_dots_and_double_slashes);
	tcase_add_test(url_parsing, test_is_valid_uri);
	suite_add_tcase(suite, url_parsing);

	tcase_add_test(encode_decode, test_base64_encode_decode);
	suite_add_tcase(suite, encode_decode);

	return suite;
}