src/testcurl/test_long_header.c - manifest_repos/libmicrohttpd - Git at Google

 /*
      This file is part of libmicrohttpd
      Copyright (C) 2007 Christian Grothoff
      Copyright (C) 2016-2022 Evgeny Grin (Karlson2k)

      libmicrohttpd is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published
      by the Free Software Foundation; either version 2, or (at your
      option) any later version.

      libmicrohttpd is distributed in the hope that it will be useful, but
      WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      General Public License for more details.

      You should have received a copy of the GNU General Public License
      along with libmicrohttpd; see the file COPYING.  If not, write to the
      Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
      Boston, MA 02110-1301, USA.
 */

 /**
  * @file test_long_header.c
  * @brief  Testcase for libmicrohttpd handling of very long headers
  * @author Christian Grothoff
  * @author Karlson2k (Evgeny Grin)
  */

 #include "MHD_config.h"
 #include "platform.h"
 #include <curl/curl.h>
 #include <microhttpd.h>
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
 #include "mhd_has_in_name.h"

 #ifndef WINDOWS
 #include <unistd.h>
 #endif

 /**
  * We will set the memory available per connection to
  * half of this value, so the actual value does not have
  * to be big at all...
  */
 #define VERY_LONG (1024 * 8)

 static int oneone;

 static enum MHD_Result
 apc_all (void *cls, const struct sockaddr *addr, socklen_t addrlen)
 {
   (void) cls; (void) addr; (void) addrlen;   /* Unused. Silent compiler warning. */
   return MHD_YES;
 }


 struct CBC
 {
   char *buf;
   size_t pos;
   size_t size;
 };

 static size_t
 copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx)
 {
   (void) ptr; (void) ctx;  /* Unused. Silent compiler warning. */
   return size * nmemb;
 }


 static enum MHD_Result
 ahc_echo (void *cls,
           struct MHD_Connection *connection,
           const char *url,
           const char *method,
           const char *version,
           const char *upload_data, size_t *upload_data_size,
           void **req_cls)
 {
   struct MHD_Response *response;
   enum MHD_Result ret;
   (void) cls;
   (void) version; (void) upload_data;      /* Unused. Silent compiler warning. */
   (void) upload_data_size; (void) req_cls; /* Unused. Silent compiler warning. */

   if (0 != strcmp (MHD_HTTP_METHOD_GET, method))
     return MHD_NO;              /* unexpected method */
   response = MHD_create_response_from_buffer_copy (strlen (url),
                                                    (const void *) url);
   ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
   MHD_destroy_response (response);
   return ret;
 }


 static unsigned int
 testLongUrlGet (size_t buff_size)
 {
   struct MHD_Daemon *d;
   CURL *c;
   char buf[2048];
   struct CBC cbc;
   char *url;
   long code;
   uint16_t port;

   if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT))
     port = 0;
   else
   {
     port = 1330 + (uint16_t) (buff_size % 20);
     if (oneone)
       port += 5;
   }
   cbc.buf = buf;
   cbc.size = 2048;
   cbc.pos = 0;
   d =
     MHD_start_daemon (MHD_USE_INTERNAL_POLLING_THREAD /* | MHD_USE_ERROR_LOG */,
                       port,
                       &apc_all,
                       NULL,
                       &ahc_echo, NULL,
                       MHD_OPTION_CONNECTION_MEMORY_LIMIT,
                       (size_t) buff_size, MHD_OPTION_END);
   if (d == NULL)
     return 1;
   if (0 == port)
   {
     const union MHD_DaemonInfo *dinfo;
     dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_BIND_PORT);
     if ((NULL == dinfo) || (0 == dinfo->port) )
     {
       MHD_stop_daemon (d); return 32;
     }
     port = dinfo->port;
   }
   c = curl_easy_init ();
   url = malloc (VERY_LONG);
   if (NULL == url)
   {
     curl_easy_cleanup (c);
     MHD_stop_daemon (d);
     return 1;
   }
   memset (url, 'a', VERY_LONG);
   url[VERY_LONG - 1] = '\0';
   memcpy (url, "http://127.0.0.1/", strlen ("http://127.0.0.1/"));
   curl_easy_setopt (c, CURLOPT_URL, url);
   curl_easy_setopt (c, CURLOPT_PORT, (long) port);
   curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
   curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
   curl_easy_setopt (c, CURLOPT_FAILONERROR, 0L);
   curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L);
   curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L);
   if (oneone)
     curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
   else
     curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
   /* NOTE: use of CONNECTTIMEOUT without also
      setting NOSIGNAL results in really weird
      crashes on my system! */
   curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1L);
   if (CURLE_OK != curl_easy_perform (c))
   {
     curl_easy_cleanup (c);
     MHD_stop_daemon (d);
     free (url);
     return 2;
   }
   if (CURLE_OK != curl_easy_getinfo (c, CURLINFO_RESPONSE_CODE, &code))
   {
     curl_easy_cleanup (c);
     MHD_stop_daemon (d);
     free (url);
     return 4;
   }
   curl_easy_cleanup (c);
   MHD_stop_daemon (d);
   free (url);
   if (code != MHD_HTTP_URI_TOO_LONG)
     return 8;
   return 0;
 }


 static unsigned int
 testLongHeaderGet (size_t buff_size)
 {
   struct MHD_Daemon *d;
   CURL *c;
   char buf[2048];
   struct CBC cbc;
   char *url;
   long code;
   struct curl_slist *header = NULL;
   uint16_t port;

   if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT))
     port = 0;
   else
   {
     port = 1331 + (uint16_t) (buff_size % 20);
     if (oneone)
       port += 5;
   }

   cbc.buf = buf;
   cbc.size = 2048;
   cbc.pos = 0;
   d =
     MHD_start_daemon (MHD_USE_INTERNAL_POLLING_THREAD /* | MHD_USE_ERROR_LOG */,
                       port,
                       &apc_all,
                       NULL,
                       &ahc_echo, NULL,
                       MHD_OPTION_CONNECTION_MEMORY_LIMIT,
                       (size_t) buff_size, MHD_OPTION_END);
   if (d == NULL)
     return 16;
   if (0 == port)
   {
     const union MHD_DaemonInfo *dinfo;
     dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_BIND_PORT);
     if ((NULL == dinfo) || (0 == dinfo->port) )
     {
       MHD_stop_daemon (d); return 32;
     }
     port = dinfo->port;
   }
   c = curl_easy_init ();
   url = malloc (VERY_LONG);
   if (NULL == url)
   {
     curl_easy_cleanup (c);
     MHD_stop_daemon (d);
     return 16;
   }
   memset (url, 'a', VERY_LONG);
   url[VERY_LONG - 1] = '\0';
   url[VERY_LONG / 2] = ':';
   url[VERY_LONG / 2 + 1] = ' ';
   header = curl_slist_append (header, url);

   curl_easy_setopt (c, CURLOPT_HTTPHEADER, header);
   curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1/hello_world");
   curl_easy_setopt (c, CURLOPT_PORT, (long) port);
   curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
   curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
   curl_easy_setopt (c, CURLOPT_FAILONERROR, 0L);
   curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L);
   curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L);
   if (oneone)
     curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
   else
     curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
   /* NOTE: use of CONNECTTIMEOUT without also
      setting NOSIGNAL results in really weird
      crashes on my system! */
   curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1L);
   if (CURLE_OK != curl_easy_perform (c))
   {
     curl_easy_cleanup (c);
     MHD_stop_daemon (d);
     curl_slist_free_all (header);
     free (url);
     return 32;
   }
   if (CURLE_OK != curl_easy_getinfo (c, CURLINFO_RESPONSE_CODE, &code))
   {
     curl_slist_free_all (header);
     curl_easy_cleanup (c);
     MHD_stop_daemon (d);
     free (url);
     return 64;
   }
   curl_slist_free_all (header);
   curl_easy_cleanup (c);
   MHD_stop_daemon (d);
   free (url);
   if (code != MHD_HTTP_REQUEST_HEADER_FIELDS_TOO_LARGE)
     return 128;
   return 0;
 }


 int
 main (int argc, char *const *argv)
 {
   unsigned int errorCount = 0;
   (void) argc;   /* Unused. Silent compiler warning. */

   if ((NULL == argv) || (0 == argv[0]))
     return 99;
   oneone = has_in_name (argv[0], "11");
   if (0 != curl_global_init (CURL_GLOBAL_WIN32))
     return 2;
   errorCount += testLongUrlGet (VERY_LONG / 2);
   errorCount += testLongUrlGet (VERY_LONG / 2 + 978);
   errorCount += testLongHeaderGet (VERY_LONG / 2);
   errorCount += testLongHeaderGet (VERY_LONG / 2 + 1893);
   if (errorCount != 0)
     fprintf (stderr, "Error (code: %u)\n", errorCount);
   curl_global_cleanup ();
   return (0 == errorCount) ? 0 : 1;       /* 0 == pass */
 }
	/*
	This file is part of libmicrohttpd
	Copyright (C) 2007 Christian Grothoff
	Copyright (C) 2016-2022 Evgeny Grin (Karlson2k)

	libmicrohttpd is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published
	by the Free Software Foundation; either version 2, or (at your
	option) any later version.

	libmicrohttpd is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with libmicrohttpd; see the file COPYING. If not, write to the
	Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
	Boston, MA 02110-1301, USA.
	*/

	/**
	* @file test_long_header.c
	* @brief Testcase for libmicrohttpd handling of very long headers
	* @author Christian Grothoff
	* @author Karlson2k (Evgeny Grin)
	*/

	#include "MHD_config.h"
	#include "platform.h"
	#include <curl/curl.h>
	#include <microhttpd.h>
	#include <stdlib.h>
	#include <string.h>
	#include <time.h>
	#include "mhd_has_in_name.h"

	#ifndef WINDOWS
	#include <unistd.h>
	#endif

	/**
	* We will set the memory available per connection to
	* half of this value, so the actual value does not have
	* to be big at all...
	*/
	#define VERY_LONG (1024 * 8)

	static int oneone;

	static enum MHD_Result
	apc_all (void cls, const struct sockaddr addr, socklen_t addrlen)
	{
	(void) cls; (void) addr; (void) addrlen; /* Unused. Silent compiler warning. */
	return MHD_YES;
	}


	struct CBC
	{
	char *buf;
	size_t pos;
	size_t size;
	};

	static size_t
	copyBuffer (void ptr, size_t size, size_t nmemb, void ctx)
	{
	(void) ptr; (void) ctx; /* Unused. Silent compiler warning. */
	return size * nmemb;
	}


	static enum MHD_Result
	ahc_echo (void *cls,
	struct MHD_Connection *connection,
	const char *url,
	const char *method,
	const char *version,
	const char upload_data, size_t upload_data_size,
	void **req_cls)
	{
	struct MHD_Response *response;
	enum MHD_Result ret;
	(void) cls;
	(void) version; (void) upload_data; /* Unused. Silent compiler warning. */
	(void) upload_data_size; (void) req_cls; /* Unused. Silent compiler warning. */

	if (0 != strcmp (MHD_HTTP_METHOD_GET, method))
	return MHD_NO; /* unexpected method */
	response = MHD_create_response_from_buffer_copy (strlen (url),
	(const void *) url);
	ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
	MHD_destroy_response (response);
	return ret;
	}


	static unsigned int
	testLongUrlGet (size_t buff_size)
	{
	struct MHD_Daemon *d;
	CURL *c;
	char buf[2048];
	struct CBC cbc;
	char *url;
	long code;
	uint16_t port;

	if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT))
	port = 0;
	else
	{
	port = 1330 + (uint16_t) (buff_size % 20);
	if (oneone)
	port += 5;
	}
	cbc.buf = buf;
	cbc.size = 2048;
	cbc.pos = 0;
	d =
	MHD_start_daemon (MHD_USE_INTERNAL_POLLING_THREAD /* \| MHD_USE_ERROR_LOG */,
	port,
	&apc_all,
	NULL,
	&ahc_echo, NULL,
	MHD_OPTION_CONNECTION_MEMORY_LIMIT,
	(size_t) buff_size, MHD_OPTION_END);
	if (d == NULL)
	return 1;
	if (0 == port)
	{
	const union MHD_DaemonInfo *dinfo;
	dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_BIND_PORT);
	if ((NULL == dinfo) \|\| (0 == dinfo->port) )
	{
	MHD_stop_daemon (d); return 32;
	}
	port = dinfo->port;
	}
	c = curl_easy_init ();
	url = malloc (VERY_LONG);
	if (NULL == url)
	{
	curl_easy_cleanup (c);
	MHD_stop_daemon (d);
	return 1;
	}
	memset (url, 'a', VERY_LONG);
	url[VERY_LONG - 1] = '\0';
	memcpy (url, "http://127.0.0.1/", strlen ("http://127.0.0.1/"));
	curl_easy_setopt (c, CURLOPT_URL, url);
	curl_easy_setopt (c, CURLOPT_PORT, (long) port);
	curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
	curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
	curl_easy_setopt (c, CURLOPT_FAILONERROR, 0L);
	curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L);
	curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L);
	if (oneone)
	curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
	else
	curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
	/* NOTE: use of CONNECTTIMEOUT without also
	setting NOSIGNAL results in really weird
	crashes on my system! */
	curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1L);
	if (CURLE_OK != curl_easy_perform (c))
	{
	curl_easy_cleanup (c);
	MHD_stop_daemon (d);
	free (url);
	return 2;
	}
	if (CURLE_OK != curl_easy_getinfo (c, CURLINFO_RESPONSE_CODE, &code))
	{
	curl_easy_cleanup (c);
	MHD_stop_daemon (d);
	free (url);
	return 4;
	}
	curl_easy_cleanup (c);
	MHD_stop_daemon (d);
	free (url);
	if (code != MHD_HTTP_URI_TOO_LONG)
	return 8;
	return 0;
	}


	static unsigned int
	testLongHeaderGet (size_t buff_size)
	{
	struct MHD_Daemon *d;
	CURL *c;
	char buf[2048];
	struct CBC cbc;
	char *url;
	long code;
	struct curl_slist *header = NULL;
	uint16_t port;

	if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT))
	port = 0;
	else
	{
	port = 1331 + (uint16_t) (buff_size % 20);
	if (oneone)
	port += 5;
	}

	cbc.buf = buf;
	cbc.size = 2048;
	cbc.pos = 0;
	d =
	MHD_start_daemon (MHD_USE_INTERNAL_POLLING_THREAD /* \| MHD_USE_ERROR_LOG */,
	port,
	&apc_all,
	NULL,
	&ahc_echo, NULL,
	MHD_OPTION_CONNECTION_MEMORY_LIMIT,
	(size_t) buff_size, MHD_OPTION_END);
	if (d == NULL)
	return 16;
	if (0 == port)
	{
	const union MHD_DaemonInfo *dinfo;
	dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_BIND_PORT);
	if ((NULL == dinfo) \|\| (0 == dinfo->port) )
	{
	MHD_stop_daemon (d); return 32;
	}
	port = dinfo->port;
	}
	c = curl_easy_init ();
	url = malloc (VERY_LONG);
	if (NULL == url)
	{
	curl_easy_cleanup (c);
	MHD_stop_daemon (d);
	return 16;
	}
	memset (url, 'a', VERY_LONG);
	url[VERY_LONG - 1] = '\0';
	url[VERY_LONG / 2] = ':';
	url[VERY_LONG / 2 + 1] = ' ';
	header = curl_slist_append (header, url);

	curl_easy_setopt (c, CURLOPT_HTTPHEADER, header);
	curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1/hello_world");
	curl_easy_setopt (c, CURLOPT_PORT, (long) port);
	curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
	curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
	curl_easy_setopt (c, CURLOPT_FAILONERROR, 0L);
	curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L);
	curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L);
	if (oneone)
	curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
	else
	curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
	/* NOTE: use of CONNECTTIMEOUT without also
	setting NOSIGNAL results in really weird
	crashes on my system! */
	curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1L);
	if (CURLE_OK != curl_easy_perform (c))
	{
	curl_easy_cleanup (c);
	MHD_stop_daemon (d);
	curl_slist_free_all (header);
	free (url);
	return 32;
	}
	if (CURLE_OK != curl_easy_getinfo (c, CURLINFO_RESPONSE_CODE, &code))
	{
	curl_slist_free_all (header);
	curl_easy_cleanup (c);
	MHD_stop_daemon (d);
	free (url);
	return 64;
	}
	curl_slist_free_all (header);
	curl_easy_cleanup (c);
	MHD_stop_daemon (d);
	free (url);
	if (code != MHD_HTTP_REQUEST_HEADER_FIELDS_TOO_LARGE)
	return 128;
	return 0;
	}


	int
	main (int argc, char const argv)
	{
	unsigned int errorCount = 0;
	(void) argc; /* Unused. Silent compiler warning. */

	if ((NULL == argv) \|\| (0 == argv[0]))
	return 99;
	oneone = has_in_name (argv[0], "11");
	if (0 != curl_global_init (CURL_GLOBAL_WIN32))
	return 2;
	errorCount += testLongUrlGet (VERY_LONG / 2);
	errorCount += testLongUrlGet (VERY_LONG / 2 + 978);
	errorCount += testLongHeaderGet (VERY_LONG / 2);
	errorCount += testLongHeaderGet (VERY_LONG / 2 + 1893);
	if (errorCount != 0)
	fprintf (stderr, "Error (code: %u)\n", errorCount);
	curl_global_cleanup ();
	return (0 == errorCount) ? 0 : 1; /* 0 == pass */
	}