Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1018 insertions, 0 deletions

diff --git a/src/civetweb/test/private.c b/src/civetweb/test/private.c
new file mode 100644
index 00000000..9b34f595
--- /dev/null
+++ b/src/civetweb/test/private.c
@@ -0,0 +1,1018 @@
+/* Copyright (c) 2015-2017 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
+#ifndef _CRT_SECURE_NO_WARNINGS
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+#define CIVETWEB_API static
+#endif
+
+#ifdef REPLACE_CHECK_FOR_LOCAL_DEBUGGING
+#undef MEMORY_DEBUGGING
+#endif
+
+#include "../src/civetweb.c"
+
+#include <stdlib.h>
+#include <time.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
+ */
+
+static char tmp_parse_buffer[1024];
+
+static int
+test_parse_http_response(char *buf, int len, struct mg_response_info *ri)
+{
+	ck_assert_int_lt(len, (int)sizeof(tmp_parse_buffer));
+	memcpy(tmp_parse_buffer, buf, (size_t)len);
+	return parse_http_response(tmp_parse_buffer, len, ri);
+}
+
+static int
+test_parse_http_request(char *buf, int len, struct mg_request_info *ri)
+{
+	ck_assert_int_lt(len, (int)sizeof(tmp_parse_buffer));
+	memcpy(tmp_parse_buffer, buf, (size_t)len);
+	return parse_http_request(tmp_parse_buffer, len, ri);
+}
+
+
+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;
+	struct mg_response_info respi;
+	char empty[] = "";
+	char space[] = " \x00";
+	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\nKey: Val\n\n";
+	char req4[] =
+	    "GET / HTTP/1.1\r\nA: foo bar\r\nB: bar\r\nskip\r\nbaz:\r\n\r\n";
+	char req5[] = "GET / HTTP/1.0\n\n";
+	char req6[] = "G";
+	char req7[] = " blah ";
+	char req8[] = "HTTP/1.0 404 Not Found\n\n";
+	char req9[] = "HTTP/1.1 200 OK\r\nConnection: close\r\n\r\n";
+
+	char req10[] = "GET / HTTP/1.1\r\nA: foo bar\r\nB: bar\r\n\r\n";
+
+	char req11[] = "GET /\r\nError: X\r\n\r\n";
+
+	char req12[] =
+	    "POST /a/b/c.d?e=f&g HTTP/1.1\r\nKey1: val1\r\nKey2: val2\r\n\r\nBODY";
+
+
+	int lenreq1 = (int)strlen(req1);
+	int lenreq2 = (int)strlen(req2);
+	int lenreq3 = (int)strlen(req3);
+	int lenreq4 = (int)strlen(req4);
+	int lenreq5 = (int)strlen(req5);
+	int lenreq6 = (int)strlen(req6);
+	int lenreq7 = (int)strlen(req7);
+	int lenreq8 = (int)strlen(req8);
+	int lenreq9 = (int)strlen(req9);
+	int lenreq10 = (int)strlen(req10);
+	int lenreq11 = (int)strlen(req11);
+	int lenreq12 = (int)strlen(req12);
+	int lenhdr12 = lenreq12 - 4; /* length without body */
+
+	mark_point();
+
+	/* An empty string is neither a complete request nor a complete
+	 * response, so it must return 0 */
+	ck_assert_int_eq(0, get_http_header_len(empty, 0));
+	ck_assert_int_eq(0, test_parse_http_request(empty, 0, &ri));
+	ck_assert_int_eq(0, test_parse_http_response(empty, 0, &respi));
+
+	/* Same is true for a leading space */
+	ck_assert_int_eq(0, get_http_header_len(space, 1));
+	ck_assert_int_eq(0, test_parse_http_request(space, 1, &ri));
+	ck_assert_int_eq(0, test_parse_http_response(space, 1, &respi));
+
+	/* But a control character (like 0) makes it invalid */
+	ck_assert_int_eq(-1, get_http_header_len(space, 2));
+	ck_assert_int_eq(-1, test_parse_http_request(space, 2, &ri));
+	ck_assert_int_eq(-1, test_parse_http_response(space, 2, &respi));
+
+
+	/* req1 minus 1 byte at the end is incomplete */
+	ck_assert_int_eq(0, get_http_header_len(req1, lenreq1 - 1));
+
+
+	/* req1 minus 1 byte at the start is complete but invalid */
+	ck_assert_int_eq(lenreq1 - 1, get_http_header_len(req1 + 1, lenreq1 - 1));
+	ck_assert_int_eq(-1, test_parse_http_request(req1 + 1, lenreq1 - 1, &ri));
+
+
+	/* req1 is a valid request */
+	ck_assert_int_eq(lenreq1, get_http_header_len(req1, lenreq1));
+	ck_assert_int_eq(-1, test_parse_http_response(req1, lenreq1, &respi));
+	ck_assert_int_eq(lenreq1, test_parse_http_request(req1, lenreq1, &ri));
+	ck_assert_str_eq("1.1", ri.http_version);
+	ck_assert_int_eq(0, ri.num_headers);
+
+
+	/* req2 is a complete, but invalid request */
+	ck_assert_int_eq(lenreq2, get_http_header_len(req2, lenreq2));
+	ck_assert_int_eq(-1, test_parse_http_request(req2, lenreq2, &ri));
+
+
+	/* req3 is a complete and valid request */
+	ck_assert_int_eq(lenreq3, get_http_header_len(req3, lenreq3));
+	ck_assert_int_eq(lenreq3, test_parse_http_request(req3, lenreq3, &ri));
+	ck_assert_int_eq(-1, test_parse_http_response(req3, lenreq3, &respi));
+
+
+	/* Multiline header are obsolete, so return an error
+	 * (https://tools.ietf.org/html/rfc7230#section-3.2.4). */
+	ck_assert_int_eq(-1, test_parse_http_request(req4, lenreq4, &ri));
+
+
+	/* req5 is a complete and valid request (also somewhat malformed,
+	 * since it uses \n\n instead of \r\n\r\n) */
+	ck_assert_int_eq(lenreq5, get_http_header_len(req5, lenreq5));
+	ck_assert_int_eq(-1, test_parse_http_response(req5, lenreq5, &respi));
+	ck_assert_int_eq(lenreq5, test_parse_http_request(req5, lenreq5, &ri));
+	ck_assert_str_eq("GET", ri.request_method);
+	ck_assert_str_eq("1.0", ri.http_version);
+
+
+	/* req6 is incomplete */
+	ck_assert_int_eq(0, get_http_header_len(req6, lenreq6));
+	ck_assert_int_eq(0, test_parse_http_request(req6, lenreq6, &ri));
+
+
+	/* req7 is invalid, but not yet complete */
+	ck_assert_int_eq(0, get_http_header_len(req7, lenreq7));
+	ck_assert_int_eq(0, test_parse_http_request(req7, lenreq7, &ri));
+
+
+	/* req8 is a valid response */
+	ck_assert_int_eq(lenreq8, get_http_header_len(req8, lenreq8));
+	ck_assert_int_eq(-1, test_parse_http_request(req8, lenreq8, &ri));
+	ck_assert_int_eq(lenreq8, test_parse_http_response(req8, lenreq8, &respi));
+
+
+	/* req9 is a valid response */
+	ck_assert_int_eq(lenreq9, get_http_header_len(req9, lenreq9));
+	ck_assert_int_eq(-1, test_parse_http_request(req9, lenreq9, &ri));
+	ck_assert_int_eq(lenreq9, test_parse_http_response(req9, lenreq9, &respi));
+	ck_assert_int_eq(1, respi.num_headers);
+
+
+	/* req10 is a valid request */
+	ck_assert_int_eq(lenreq10, get_http_header_len(req10, lenreq10));
+	ck_assert_int_eq(lenreq10, test_parse_http_request(req10, lenreq10, &ri));
+	ck_assert_str_eq("1.1", ri.http_version);
+	ck_assert_int_eq(2, 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);
+
+
+	/* req11 is a complete but valid request */
+	ck_assert_int_eq(-1, test_parse_http_request(req11, lenreq11, &ri));
+
+
+	/* req12 is a valid request with body data */
+	ck_assert_int_gt(lenreq12, lenhdr12);
+	ck_assert_int_eq(lenhdr12, get_http_header_len(req12, lenreq12));
+	ck_assert_int_eq(lenhdr12, test_parse_http_request(req12, lenreq12, &ri));
+}
+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";
+	char yes[] = "yes";
+	char no[] = "no";
+
+	int lenreq1 = (int)strlen(req1);
+	int lenreq2 = (int)strlen(req2);
+	int lenreq3 = (int)strlen(req3);
+	int lenreq4 = (int)strlen(req4);
+
+	mark_point();
+
+	memset(&ctx, 0, sizeof(ctx));
+	memset(&conn, 0, sizeof(conn));
+	conn.ctx = &ctx;
+	ck_assert_int_eq(test_parse_http_request(req1, lenreq1, &conn.request_info),
+	                 lenreq1);
+	conn.connection_type = 1; /* Valid request */
+	ck_assert_int_eq(conn.request_info.num_headers, 0);
+
+	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;
+	test_parse_http_request(req2, lenreq2, &conn.request_info);
+	conn.connection_type = 1; /* Valid request */
+	ck_assert_int_eq(conn.request_info.num_headers, 0);
+	ck_assert_int_eq(should_keep_alive(&conn), 0);
+
+	test_parse_http_request(req3, lenreq3, &conn.request_info);
+	conn.connection_type = 1; /* Valid request */
+	ck_assert_int_eq(conn.request_info.num_headers, 1);
+	ck_assert_int_eq(should_keep_alive(&conn), 0);
+
+	test_parse_http_request(req4, lenreq4, &conn.request_info);
+	conn.connection_type = 1; /* Valid request */
+	ck_assert_int_eq(conn.request_info.num_headers, 1);
+	ck_assert_int_eq(should_keep_alive(&conn), 1);
+
+	conn.status_code = 200;
+	conn.must_close = 1;
+	ck_assert_int_eq(should_keep_alive(&conn), 0);
+
+	conn.status_code = 200;
+	conn.must_close = 0;
+	ck_assert_int_eq(should_keep_alive(&conn), 1);
+
+	conn.status_code = 200;
+	conn.must_close = 0;
+	conn.connection_type = 0; /* invalid */
+	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;
+
+	mark_point();
+
+	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)
+{
+	/* is_valid_uri is superseeded by get_uri_type */
+	ck_assert_int_eq(2, get_uri_type("/api"));
+	ck_assert_int_eq(2, get_uri_type("/api/"));
+	ck_assert_int_eq(2,
+	                 get_uri_type("/some/long/path%20with%20space/file.xyz"));
+	ck_assert_int_eq(0, get_uri_type("api"));
+	ck_assert_int_eq(1, get_uri_type("*"));
+	ck_assert_int_eq(0, get_uri_type("*xy"));
+	ck_assert_int_eq(3, get_uri_type("http://somewhere/"));
+	ck_assert_int_eq(3, get_uri_type("https://somewhere/some/file.html"));
+	ck_assert_int_eq(4, get_uri_type("http://somewhere:8080/"));
+	ck_assert_int_eq(4, get_uri_type("https://somewhere:8080/some/file.html"));
+}
+END_TEST
+
+
+START_TEST(test_next_option)
+{
+	/* Adapted from unit_test.c */
+	/* Copyright (c) 2013-2015 the Civetweb developers */
+	/* Copyright (c) 2004-2013 Sergey Lyubka */
+	const char *p, *list = "x/8,/y**=1;2k,z";
+	struct vec a, b;
+	int i;
+
+	mark_point();
+
+	ck_assert(next_option(NULL, &a, &b) == NULL);
+	for (i = 0, p = list; (p = next_option(p, &a, &b)) != NULL; i++) {
+		ck_assert(i != 0 || (a.ptr == list && a.len == 3 && b.len == 0));
+		ck_assert(i != 1
+		          || (a.ptr == list + 4 && a.len == 4 && b.ptr == list + 9
+		              && b.len == 4));
+		ck_assert(i != 2 || (a.ptr == list + 14 && a.len == 1 && b.len == 0));
+	}
+}
+END_TEST
+
+
+START_TEST(test_skip_quoted)
+{
+	/* Adapted from unit_test.c */
+	/* Copyright (c) 2013-2015 the Civetweb developers */
+	/* Copyright (c) 2004-2013 Sergey Lyubka */
+	char x[] = "a=1, b=2, c='hi \' there', d='here\\, there'", *s = x, *p;
+
+	mark_point();
+
+	p = skip_quoted(&s, ", ", ", ", 0);
+	ck_assert(p != NULL && !strcmp(p, "a=1"));
+
+	p = skip_quoted(&s, ", ", ", ", 0);
+	ck_assert(p != NULL && !strcmp(p, "b=2"));
+
+	p = skip_quoted(&s, ",", " ", 0);
+	ck_assert(p != NULL && !strcmp(p, "c='hi \' there'"));
+
+	p = skip_quoted(&s, ",", " ", '\\');
+	ck_assert(p != NULL && !strcmp(p, "d='here, there'"));
+	ck_assert(*s == 0);
+}
+END_TEST
+
+
+static int
+alloc_printf(char **buf, size_t size, const char *fmt, ...)
+{
+	/* Test helper function - adapted from unit_test.c */
+	/* Copyright (c) 2013-2015 the Civetweb developers */
+	/* Copyright (c) 2004-2013 Sergey Lyubka */
+	va_list ap;
+	int ret = 0;
+
+	mark_point();
+
+	va_start(ap, fmt);
+	ret = alloc_vprintf(buf, *buf, size, fmt, ap);
+	va_end(ap);
+
+	return ret;
+}
+
+
+static int
+alloc_printf2(char **buf, const char *fmt, ...)
+{
+	/* Test alternative implementation */
+	va_list ap;
+	int ret = 0;
+
+	mark_point();
+
+	va_start(ap, fmt);
+	ret = alloc_vprintf2(buf, fmt, ap);
+	va_end(ap);
+
+	return ret;
+}
+
+
+START_TEST(test_alloc_vprintf)
+{
+	/* Adapted from unit_test.c */
+	/* Copyright (c) 2013-2015 the Civetweb developers */
+	/* Copyright (c) 2004-2013 Sergey Lyubka */
+	char buf[MG_BUF_LEN], *p = buf;
+	mark_point();
+
+	ck_assert(alloc_printf(&p, sizeof(buf), "%s", "hi") == 2);
+	ck_assert(p == buf);
+
+	ck_assert(alloc_printf(&p, sizeof(buf), "%s", "") == 0);
+	ck_assert(p == buf);
+
+	ck_assert(alloc_printf(&p, sizeof(buf), "") == 0);
+	ck_assert(p == buf);
+
+	/* Pass small buffer, make sure alloc_printf allocates */
+	ck_assert(alloc_printf(&p, 1, "%s", "hello") == 5);
+	ck_assert(p != buf);
+	mg_free(p);
+	p = buf;
+
+	/* Test alternative implementation */
+	ck_assert(alloc_printf2(&p, "%s", "hello") == 5);
+	ck_assert(p != buf);
+	mg_free(p);
+	p = buf;
+}
+END_TEST
+
+
+START_TEST(test_mg_vsnprintf)
+{
+	char buf[16];
+	int is_trunc;
+
+#if defined(_WIN32)
+	/* If the string is truncated, mg_snprintf calls mg_cry.
+	 * If DEBUG is defined, mg_cry calls DEBUG_TRACE.
+	 * In DEBUG_TRACE_FUNC, flockfile(stdout) is called.
+	 * For Windows, flockfile/funlockfile calls Enter-/
+	 * LeaveCriticalSection(&global_log_file_lock).
+	 * So, we need to initialize global_log_file_lock:
+	 */
+	InitializeCriticalSection(&global_log_file_lock);
+#endif
+
+	memset(buf, 0, sizeof(buf));
+	mark_point();
+
+	is_trunc = 777;
+	mg_snprintf(NULL, &is_trunc, buf, 10, "%8i", 123);
+	ck_assert_str_eq(buf, "     123");
+	ck_assert_int_eq(is_trunc, 0);
+
+	is_trunc = 777;
+	mg_snprintf(NULL, &is_trunc, buf, 10, "%9i", 123);
+	ck_assert_str_eq(buf, "      123");
+	ck_assert_int_eq(is_trunc, 0);
+
+	is_trunc = 777;
+	mg_snprintf(NULL, &is_trunc, buf, 9, "%9i", 123);
+	ck_assert_str_eq(buf, "      12");
+	ck_assert_int_eq(is_trunc, 1);
+
+	is_trunc = 777;
+	mg_snprintf(NULL, &is_trunc, buf, 8, "%9i", 123);
+	ck_assert_str_eq(buf, "      1");
+	ck_assert_int_eq(is_trunc, 1);
+
+	is_trunc = 777;
+	mg_snprintf(NULL, &is_trunc, buf, 7, "%9i", 123);
+	ck_assert_str_eq(buf, "      ");
+	ck_assert_int_eq(is_trunc, 1);
+
+	is_trunc = 777;
+	strcpy(buf, "1234567890");
+	mg_snprintf(NULL, &is_trunc, buf, 0, "%i", 543);
+	ck_assert_str_eq(buf, "1234567890");
+	ck_assert_int_eq(is_trunc, 1);
+}
+END_TEST
+
+
+START_TEST(test_mg_strcasestr)
+{
+	/* Adapted from unit_test.c */
+	/* Copyright (c) 2013-2015 the Civetweb developers */
+	/* Copyright (c) 2004-2013 Sergey Lyubka */
+	static const char *big1 = "abcdef";
+	mark_point();
+
+	ck_assert(mg_strcasestr("Y", "X") == NULL);
+	ck_assert(mg_strcasestr("Y", "y") != NULL);
+	ck_assert(mg_strcasestr(big1, "X") == NULL);
+	ck_assert(mg_strcasestr(big1, "CD") == big1 + 2);
+	ck_assert(mg_strcasestr("aa", "AAB") == NULL);
+}
+END_TEST
+
+
+START_TEST(test_parse_port_string)
+{
+	/* Adapted from unit_test.c */
+	/* Copyright (c) 2013-2015 the Civetweb developers */
+	/* Copyright (c) 2004-2013 Sergey Lyubka */
+	static const char *valid[] =
+	{ "0",
+	  "1",
+	  "1s",
+	  "1r",
+	  "1.2.3.4:1",
+	  "1.2.3.4:1s",
+	  "1.2.3.4:1r",
+#if defined(USE_IPV6)
+	  "[::1]:123",
+	  "[::]:80",
+	  "[3ffe:2a00:100:7031::1]:900",
+	  "+80",
+#endif
+	  NULL };
+	static const char *invalid[] = {
+	    "99999", "1k", "1.2.3", "1.2.3.4:", "1.2.3.4:2p", NULL};
+	struct socket so;
+	struct vec vec;
+	int ip_family;
+	int i;
+
+	mark_point();
+
+	for (i = 0; valid[i] != NULL; i++) {
+		vec.ptr = valid[i];
+		vec.len = strlen(vec.ptr);
+		ip_family = 123;
+		ck_assert_int_ne(parse_port_string(&vec, &so, &ip_family), 0);
+		if (i < 7) {
+			ck_assert_int_eq(ip_family, 4);
+		} else if (i < 10) {
+			ck_assert_int_eq(ip_family, 6);
+		} else {
+			ck_assert_int_eq(ip_family, 4 + 6);
+		}
+	}
+
+	for (i = 0; invalid[i] != NULL; i++) {
+		vec.ptr = invalid[i];
+		vec.len = strlen(vec.ptr);
+		ip_family = 123;
+		ck_assert_int_eq(parse_port_string(&vec, &so, &ip_family), 0);
+		ck_assert_int_eq(ip_family, 0);
+	}
+}
+END_TEST
+
+
+START_TEST(test_encode_decode)
+{
+	char buf[128];
+	const char *alpha = "abcdefghijklmnopqrstuvwxyz";
+	const char *nonalpha = " !\"#$%&'()*+,-./0123456789:;<=>?@";
+	const char *nonalpha_url_enc1 =
+	    "%20%21%22%23$%25%26%27()%2a%2b,-.%2f0123456789%3a;%3c%3d%3e%3f%40";
+	const char *nonalpha_url_enc2 =
+	    "%20!%22%23%24%25%26'()*%2B%2C-.%2F0123456789%3A%3B%3C%3D%3E%3F%40";
+	int ret;
+	size_t len;
+
+#if defined(USE_WEBSOCKET) || defined(USE_LUA)
+	const char *alpha_b64_enc = "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXo=";
+	const char *nonalpha_b64_enc =
+	    "ICEiIyQlJicoKSorLC0uLzAxMjM0NTY3ODk6Ozw9Pj9A";
+
+	mark_point();
+
+	memset(buf, 77, sizeof(buf));
+	base64_encode((unsigned char *)"a", 1, buf);
+	ck_assert_str_eq(buf, "YQ==");
+
+	memset(buf, 77, sizeof(buf));
+	base64_encode((unsigned char *)"ab", 1, buf);
+	ck_assert_str_eq(buf, "YQ==");
+
+	memset(buf, 77, sizeof(buf));
+	base64_encode((unsigned char *)"ab", 2, buf);
+	ck_assert_str_eq(buf, "YWI=");
+
+	memset(buf, 77, sizeof(buf));
+	base64_encode((unsigned char *)alpha, 3, buf);
+	ck_assert_str_eq(buf, "YWJj");
+
+	memset(buf, 77, sizeof(buf));
+	base64_encode((unsigned char *)alpha, 4, buf);
+	ck_assert_str_eq(buf, "YWJjZA==");
+
+	memset(buf, 77, sizeof(buf));
+	base64_encode((unsigned char *)alpha, 5, buf);
+	ck_assert_str_eq(buf, "YWJjZGU=");
+
+	memset(buf, 77, sizeof(buf));
+	base64_encode((unsigned char *)alpha, 6, buf);
+	ck_assert_str_eq(buf, "YWJjZGVm");
+
+	memset(buf, 77, sizeof(buf));
+	base64_encode((unsigned char *)alpha, (int)strlen(alpha), buf);
+	ck_assert_str_eq(buf, alpha_b64_enc);
+
+	memset(buf, 77, sizeof(buf));
+	base64_encode((unsigned char *)nonalpha, (int)strlen(nonalpha), buf);
+	ck_assert_str_eq(buf, nonalpha_b64_enc);
+#endif
+
+#if defined(USE_LUA)
+	memset(buf, 77, sizeof(buf));
+	len = 9999;
+	ret = base64_decode((unsigned char *)alpha_b64_enc,
+	                    (int)strlen(alpha_b64_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((unsigned char *)"AAA*AAA", 7, buf, &len);
+	ck_assert_int_eq(ret, 3);
+#endif
+
+	memset(buf, 77, sizeof(buf));
+	ret = mg_url_encode(alpha, buf, sizeof(buf));
+	ck_assert_int_eq(ret, (int)strlen(buf));
+	ck_assert_int_eq(ret, (int)strlen(alpha));
+	ck_assert_str_eq(buf, alpha);
+
+	memset(buf, 77, sizeof(buf));
+	ret = mg_url_encode(nonalpha, buf, sizeof(buf));
+	ck_assert_int_eq(ret, (int)strlen(buf));
+	ck_assert_int_eq(ret, (int)strlen(nonalpha_url_enc1));
+	ck_assert_str_eq(buf, nonalpha_url_enc1);
+
+	memset(buf, 77, sizeof(buf));
+	ret = mg_url_decode(alpha, (int)strlen(alpha), buf, sizeof(buf), 0);
+	ck_assert_int_eq(ret, (int)strlen(buf));
+	ck_assert_int_eq(ret, (int)strlen(alpha));
+	ck_assert_str_eq(buf, alpha);
+
+	memset(buf, 77, sizeof(buf));
+	ret = mg_url_decode(
+	    nonalpha_url_enc1, (int)strlen(nonalpha_url_enc1), buf, sizeof(buf), 0);
+	ck_assert_int_eq(ret, (int)strlen(buf));
+	ck_assert_int_eq(ret, (int)strlen(nonalpha));
+	ck_assert_str_eq(buf, nonalpha);
+
+	memset(buf, 77, sizeof(buf));
+	ret = mg_url_decode(
+	    nonalpha_url_enc2, (int)strlen(nonalpha_url_enc2), buf, sizeof(buf), 0);
+	ck_assert_int_eq(ret, (int)strlen(buf));
+	ck_assert_int_eq(ret, (int)strlen(nonalpha));
+	ck_assert_str_eq(buf, nonalpha);
+
+	/* len could be unused, if base64_decode is not tested because USE_LUA is
+	 * not defined */
+	(void)len;
+}
+END_TEST
+
+
+START_TEST(test_mask_data)
+{
+#if defined(USE_WEBSOCKET)
+	char in[1024];
+	char out[1024];
+	int i;
+#endif
+
+	uint32_t mask = 0x61626364;
+	/* TODO: adapt test for big endian */
+	ck_assert((*(unsigned char *)&mask) == 0x64u);
+
+#if defined(USE_WEBSOCKET)
+	memset(in, 0, sizeof(in));
+	memset(out, 99, sizeof(out));
+
+	mask_data(in, sizeof(out), 0, out);
+	ck_assert(!memcmp(out, in, sizeof(out)));
+
+	for (i = 0; i < 1024; i++) {
+		in[i] = (char)((unsigned char)i);
+	}
+	mask_data(in, 107, 0, out);
+	ck_assert(!memcmp(out, in, 107));
+
+	mask_data(in, 256, 0x01010101, out);
+	for (i = 0; i < 256; i++) {
+		ck_assert_int_eq((int)((unsigned char)out[i]),
+		                 (int)(((unsigned char)in[i]) ^ (char)1u));
+	}
+	for (i = 256; i < (int)sizeof(out); i++) {
+		ck_assert_int_eq((int)((unsigned char)out[i]), (int)0);
+	}
+
+	/* TODO: check this for big endian */
+	mask_data(in, 5, 0x01020304, out);
+	ck_assert_uint_eq((unsigned char)out[0], 0u ^ 4u);
+	ck_assert_uint_eq((unsigned char)out[1], 1u ^ 3u);
+	ck_assert_uint_eq((unsigned char)out[2], 2u ^ 2u);
+	ck_assert_uint_eq((unsigned char)out[3], 3u ^ 1u);
+	ck_assert_uint_eq((unsigned char)out[4], 4u ^ 4u);
+#endif
+}
+END_TEST
+
+
+START_TEST(test_parse_date_string)
+{
+#if !defined(NO_CACHING)
+	time_t now = time(0);
+	struct tm *tm = gmtime(&now);
+	char date[64] = {0};
+	unsigned long i;
+
+	ck_assert_uint_eq((unsigned long)parse_date_string("1/Jan/1970 00:01:02"),
+	                  62ul);
+	ck_assert_uint_eq((unsigned long)parse_date_string("1 Jan 1970 00:02:03"),
+	                  123ul);
+	ck_assert_uint_eq((unsigned long)parse_date_string("1-Jan-1970 00:03:04"),
+	                  184ul);
+	ck_assert_uint_eq((unsigned long)parse_date_string(
+	                      "Xyz, 1 Jan 1970 00:04:05"),
+	                  245ul);
+
+	gmt_time_string(date, sizeof(date), &now);
+	ck_assert_uint_eq((uintmax_t)parse_date_string(date), (uintmax_t)now);
+
+	sprintf(date,
+	        "%02u %s %04u %02u:%02u:%02u",
+	        tm->tm_mday,
+	        month_names[tm->tm_mon],
+	        tm->tm_year + 1900,
+	        tm->tm_hour,
+	        tm->tm_min,
+	        tm->tm_sec);
+	ck_assert_uint_eq((uintmax_t)parse_date_string(date), (uintmax_t)now);
+
+	gmt_time_string(date, 1, NULL);
+	ck_assert_str_eq(date, "");
+	gmt_time_string(date, 6, NULL);
+	ck_assert_str_eq(date,
+	                 "Thu, "); /* part of "Thu, 01 Jan 1970 00:00:00 GMT" */
+	gmt_time_string(date, sizeof(date), NULL);
+	ck_assert_str_eq(date, "Thu, 01 Jan 1970 00:00:00 GMT");
+
+	for (i = 2ul; i < 0x8000000ul; i += i / 2) {
+		now = (time_t)i;
+
+		gmt_time_string(date, sizeof(date), &now);
+		ck_assert_uint_eq((uintmax_t)parse_date_string(date), (uintmax_t)now);
+
+		tm = gmtime(&now);
+		sprintf(date,
+		        "%02u-%s-%04u %02u:%02u:%02u",
+		        tm->tm_mday,
+		        month_names[tm->tm_mon],
+		        tm->tm_year + 1900,
+		        tm->tm_hour,
+		        tm->tm_min,
+		        tm->tm_sec);
+		ck_assert_uint_eq((uintmax_t)parse_date_string(date), (uintmax_t)now);
+	}
+#endif
+}
+END_TEST
+
+
+START_TEST(test_sha1)
+{
+#ifdef SHA1_DIGEST_SIZE
+	SHA_CTX sha_ctx;
+	uint8_t digest[SHA1_DIGEST_SIZE] = {0};
+	char str[48] = {0};
+	int i;
+	const char *test_str;
+
+	ck_assert_uint_eq(sizeof(digest), 20);
+	ck_assert_uint_gt(sizeof(str), sizeof(digest) * 2 + 1);
+
+	/* empty string */
+	SHA1_Init(&sha_ctx);
+	SHA1_Final(digest, &sha_ctx);
+	bin2str(str, digest, sizeof(digest));
+	ck_assert_uint_eq(strlen(str), 40);
+	ck_assert_str_eq(str, "da39a3ee5e6b4b0d3255bfef95601890afd80709");
+
+	/* empty string */
+	SHA1_Init(&sha_ctx);
+	SHA1_Update(&sha_ctx, (uint8_t *)"abc", 0);
+	SHA1_Final(digest, &sha_ctx);
+	bin2str(str, digest, sizeof(digest));
+	ck_assert_uint_eq(strlen(str), 40);
+	ck_assert_str_eq(str, "da39a3ee5e6b4b0d3255bfef95601890afd80709");
+
+	/* "abc" */
+	SHA1_Init(&sha_ctx);
+	SHA1_Update(&sha_ctx, (uint8_t *)"abc", 3);
+	SHA1_Final(digest, &sha_ctx);
+	bin2str(str, digest, sizeof(digest));
+	ck_assert_uint_eq(strlen(str), 40);
+	ck_assert_str_eq(str, "a9993e364706816aba3e25717850c26c9cd0d89d");
+
+	/* "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" */
+	test_str = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
+	SHA1_Init(&sha_ctx);
+	SHA1_Update(&sha_ctx, (uint8_t *)test_str, (uint32_t)strlen(test_str));
+	SHA1_Final(digest, &sha_ctx);
+	bin2str(str, digest, sizeof(digest));
+	ck_assert_uint_eq(strlen(str), 40);
+	ck_assert_str_eq(str, "84983e441c3bd26ebaae4aa1f95129e5e54670f1");
+
+	/* a million "a" */
+	SHA1_Init(&sha_ctx);
+	for (i = 0; i < 1000000; i++) {
+		SHA1_Update(&sha_ctx, (uint8_t *)"a", 1);
+	}
+	SHA1_Final(digest, &sha_ctx);
+	bin2str(str, digest, sizeof(digest));
+	ck_assert_uint_eq(strlen(str), 40);
+	ck_assert_str_eq(str, "34aa973cd4c4daa4f61eeb2bdbad27316534016f");
+
+	/* a million "a" in blocks of 10 */
+	SHA1_Init(&sha_ctx);
+	for (i = 0; i < 100000; i++) {
+		SHA1_Update(&sha_ctx, (uint8_t *)"aaaaaaaaaa", 10);
+	}
+	SHA1_Final(digest, &sha_ctx);
+	bin2str(str, digest, sizeof(digest));
+	ck_assert_uint_eq(strlen(str), 40);
+	ck_assert_str_eq(str, "34aa973cd4c4daa4f61eeb2bdbad27316534016f");
+#else
+	/* Can not test, if SHA1 is not included */
+	ck_assert(1);
+#endif
+}
+END_TEST
+
+
+#if !defined(REPLACE_CHECK_FOR_LOCAL_DEBUGGING)
+Suite *
+make_private_suite(void)
+{
+	Suite *const suite = suite_create("Private");
+
+	TCase *const tcase_http_message = tcase_create("HTTP Message");
+	TCase *const tcase_http_keep_alive = tcase_create("HTTP Keep Alive");
+	TCase *const tcase_url_parsing_1 = tcase_create("URL Parsing 1");
+	TCase *const tcase_url_parsing_2 = tcase_create("URL Parsing 2");
+	TCase *const tcase_url_parsing_3 = tcase_create("URL Parsing 3");
+	TCase *const tcase_internal_parse_1 = tcase_create("Internal Parsing 1");
+	TCase *const tcase_internal_parse_2 = tcase_create("Internal Parsing 2");
+	TCase *const tcase_internal_parse_3 = tcase_create("Internal Parsing 3");
+	TCase *const tcase_internal_parse_4 = tcase_create("Internal Parsing 4");
+	TCase *const tcase_internal_parse_5 = tcase_create("Internal Parsing 5");
+	TCase *const tcase_internal_parse_6 = tcase_create("Internal Parsing 6");
+	TCase *const tcase_encode_decode = tcase_create("Encode Decode");
+	TCase *const tcase_mask_data = tcase_create("Mask Data");
+	TCase *const tcase_parse_date_string = tcase_create("Date Parsing");
+	TCase *const tcase_sha1 = tcase_create("SHA1");
+
+	tcase_add_test(tcase_http_message, test_parse_http_message);
+	tcase_set_timeout(tcase_http_message, civetweb_min_test_timeout);
+	suite_add_tcase(suite, tcase_http_message);
+
+	tcase_add_test(tcase_http_keep_alive, test_should_keep_alive);
+	tcase_set_timeout(tcase_http_keep_alive, civetweb_min_test_timeout);
+	suite_add_tcase(suite, tcase_http_keep_alive);
+
+	tcase_add_test(tcase_url_parsing_1, test_match_prefix);
+	tcase_set_timeout(tcase_url_parsing_1, civetweb_min_test_timeout);
+	suite_add_tcase(suite, tcase_url_parsing_1);
+
+	tcase_add_test(tcase_url_parsing_2,
+	               test_remove_double_dots_and_double_slashes);
+	tcase_set_timeout(tcase_url_parsing_2, civetweb_min_test_timeout);
+	suite_add_tcase(suite, tcase_url_parsing_2);
+
+	tcase_add_test(tcase_url_parsing_3, test_is_valid_uri);
+	tcase_set_timeout(tcase_url_parsing_3, civetweb_min_test_timeout);
+	suite_add_tcase(suite, tcase_url_parsing_3);
+
+	tcase_add_test(tcase_internal_parse_1, test_next_option);
+	tcase_set_timeout(tcase_internal_parse_1, civetweb_min_test_timeout);
+	suite_add_tcase(suite, tcase_internal_parse_1);
+
+	tcase_add_test(tcase_internal_parse_2, test_skip_quoted);
+	tcase_set_timeout(tcase_internal_parse_2, civetweb_min_test_timeout);
+	suite_add_tcase(suite, tcase_internal_parse_2);
+
+	tcase_add_test(tcase_internal_parse_3, test_mg_strcasestr);
+	tcase_set_timeout(tcase_internal_parse_3, civetweb_min_test_timeout);
+	suite_add_tcase(suite, tcase_internal_parse_3);
+
+	tcase_add_test(tcase_internal_parse_4, test_alloc_vprintf);
+	tcase_set_timeout(tcase_internal_parse_4, civetweb_min_test_timeout);
+	suite_add_tcase(suite, tcase_internal_parse_4);
+
+	tcase_add_test(tcase_internal_parse_5, test_mg_vsnprintf);
+	tcase_set_timeout(tcase_internal_parse_5, civetweb_min_test_timeout);
+	suite_add_tcase(suite, tcase_internal_parse_5);
+
+	tcase_add_test(tcase_internal_parse_6, test_parse_port_string);
+	tcase_set_timeout(tcase_internal_parse_6, civetweb_min_test_timeout);
+	suite_add_tcase(suite, tcase_internal_parse_6);
+
+	tcase_add_test(tcase_encode_decode, test_encode_decode);
+	tcase_set_timeout(tcase_encode_decode, civetweb_min_test_timeout);
+	suite_add_tcase(suite, tcase_encode_decode);
+
+	tcase_add_test(tcase_mask_data, test_mask_data);
+	tcase_set_timeout(tcase_mask_data, civetweb_min_test_timeout);
+	suite_add_tcase(suite, tcase_mask_data);
+
+	tcase_add_test(tcase_parse_date_string, test_parse_date_string);
+	tcase_set_timeout(tcase_parse_date_string, civetweb_min_test_timeout);
+	suite_add_tcase(suite, tcase_parse_date_string);
+
+	tcase_add_test(tcase_sha1, test_sha1);
+	tcase_set_timeout(tcase_sha1, civetweb_min_test_timeout);
+	suite_add_tcase(suite, tcase_sha1);
+
+	return suite;
+}
+#endif
+
+
+#ifdef REPLACE_CHECK_FOR_LOCAL_DEBUGGING
+/* Used to debug test cases without using the check framework */
+
+void
+MAIN_PRIVATE(void)
+{
+#if defined(_WIN32)
+	/* test_parse_port_string requires WSAStartup for IPv6 */
+	WSADATA data;
+	WSAStartup(MAKEWORD(2, 2), &data);
+#endif
+
+	test_alloc_vprintf(0);
+	test_mg_vsnprintf(0);
+	test_remove_double_dots_and_double_slashes(0);
+	test_parse_date_string(0);
+	test_parse_port_string(0);
+	test_parse_http_message(0);
+	test_sha1(0);
+
+#if defined(_WIN32)
+	WSACleanup();
+#endif
+}
+
+#endif