interface.c

/*
   +----------------------------------------------------------------------+
   | Copyright (c) The PHP Group                                          |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | https://www.php.net/license/3_01.txt                                 |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Author: Sterling Hughes <sterling@php.net>                           |
   +----------------------------------------------------------------------+
*/

#define ZEND_INCLUDE_FULL_WINDOWS_HEADERS

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "php.h"
#include "Zend/zend_exceptions.h"

#include <stdio.h>
#include <string.h>

#ifdef PHP_WIN32
#include <winsock2.h>
#include <sys/types.h>
#endif

#include <curl/curl.h>
#include <curl/easy.h>

/* As of curl 7.11.1 this is no longer defined inside curl.h */
#ifndef HttpPost
#define HttpPost curl_httppost
#endif

/* {{{ cruft for thread safe SSL crypto locks */
#if defined(ZTS) && defined(HAVE_CURL_OLD_OPENSSL)
# if defined(HAVE_OPENSSL_CRYPTO_H)
#  define PHP_CURL_NEED_OPENSSL_TSL
#  include <openssl/crypto.h>
# else
#  warning \
	"libcurl was compiled with OpenSSL support, but configure could not find " \
	"openssl/crypto.h; thus no SSL crypto locking callbacks will be set, which may " \
	"cause random crashes on SSL requests"
# endif
#endif /* ZTS && HAVE_CURL_OLD_OPENSSL */
/* }}} */

#define SMART_STR_PREALLOC 4096

#include "zend_smart_str.h"
#include "ext/standard/info.h"
#include "ext/standard/file.h"
#include "ext/standard/url.h"
#include "curl_private.h"

#ifdef __GNUC__
/* don't complain about deprecated CURLOPT_* we're exposing to PHP; we
   need to keep using those to avoid breaking PHP API compatibiltiy */
# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif

#include "curl_arginfo.h"

#ifdef PHP_CURL_NEED_OPENSSL_TSL /* {{{ */
static MUTEX_T *php_curl_openssl_tsl = NULL;

/* Locking callbacks are no longer used since OpenSSL 1.1. Mark the functions as unused to
 * avoid warnings due to this. */
static ZEND_ATTRIBUTE_UNUSED void php_curl_ssl_lock(int mode, int n, const char * file, int line)
{
	if (mode & CRYPTO_LOCK) {
		tsrm_mutex_lock(php_curl_openssl_tsl[n]);
	} else {
		tsrm_mutex_unlock(php_curl_openssl_tsl[n]);
	}
}

static ZEND_ATTRIBUTE_UNUSED unsigned long php_curl_ssl_id(void)
{
	return (unsigned long) tsrm_thread_id();
}
#endif
/* }}} */

#define CAAL(s, v) add_assoc_long_ex(return_value, s, sizeof(s) - 1, (zend_long) v);
#define CAAD(s, v) add_assoc_double_ex(return_value, s, sizeof(s) - 1, (double) v);
#define CAAS(s, v) add_assoc_string_ex(return_value, s, sizeof(s) - 1, (char *) (v ? v : ""));
#define CAASTR(s, v) add_assoc_str_ex(return_value, s, sizeof(s) - 1, \
		v ? zend_string_copy(v) : ZSTR_EMPTY_ALLOC());
#define CAAZ(s, v) add_assoc_zval_ex(return_value, s, sizeof(s) -1 , (zval *) v);

#if defined(PHP_WIN32) || defined(__GNUC__)
# define php_curl_ret(__ret) RETVAL_FALSE; return __ret;
#else
# define php_curl_ret(__ret) RETVAL_FALSE; return;
#endif

static int php_curl_option_str(php_curl *ch, zend_long option, const char *str, const size_t len)
{
	if (strlen(str) != len) {
		zend_value_error("%s(): cURL option must not contain any null bytes", get_active_function_name());
		return FAILURE;
	}

	CURLcode error = curl_easy_setopt(ch->cp, option, str);
	SAVE_CURL_ERROR(ch, error);

	return error == CURLE_OK ? SUCCESS : FAILURE;
}

static int php_curl_option_url(php_curl *ch, const char *url, const size_t len) /* {{{ */
{
	/* Disable file:// if open_basedir are used */
	if (PG(open_basedir) && *PG(open_basedir)) {
		curl_easy_setopt(ch->cp, CURLOPT_PROTOCOLS, CURLPROTO_ALL & ~CURLPROTO_FILE);
	}

#if LIBCURL_VERSION_NUM > 0x073800 && defined(PHP_WIN32)
	if (len > sizeof("file://") - 1 && '/' != url[sizeof("file://") - 1] && !strncmp("file://", url, sizeof("file://") - 1) && len < MAXPATHLEN - 2) {
		char _tmp[MAXPATHLEN] = {0};

		memmove(_tmp, "file:///", sizeof("file:///") - 1);
		memmove(_tmp + sizeof("file:///") - 1, url + sizeof("file://") - 1, len - sizeof("file://") + 1);

		return php_curl_option_str(ch, CURLOPT_URL, _tmp, len + 1);
	}
#endif

	return php_curl_option_str(ch, CURLOPT_URL, url, len);
}
/* }}} */

void _php_curl_verify_handlers(php_curl *ch, int reporterror) /* {{{ */
{
	php_stream *stream;

	ZEND_ASSERT(ch);

	if (!Z_ISUNDEF(ch->handlers.std_err)) {
		stream = (php_stream *)zend_fetch_resource2_ex(&ch->handlers.std_err, NULL, php_file_le_stream(), php_file_le_pstream());
		if (stream == NULL) {
			if (reporterror) {
				php_error_docref(NULL, E_WARNING, "CURLOPT_STDERR resource has gone away, resetting to stderr");
			}
			zval_ptr_dtor(&ch->handlers.std_err);
			ZVAL_UNDEF(&ch->handlers.std_err);

			curl_easy_setopt(ch->cp, CURLOPT_STDERR, stderr);
		}
	}
	if (ch->handlers.read && !Z_ISUNDEF(ch->handlers.read->stream)) {
		stream = (php_stream *)zend_fetch_resource2_ex(&ch->handlers.read->stream, NULL, php_file_le_stream(), php_file_le_pstream());
		if (stream == NULL) {
			if (reporterror) {
				php_error_docref(NULL, E_WARNING, "CURLOPT_INFILE resource has gone away, resetting to default");
			}
			zval_ptr_dtor(&ch->handlers.read->stream);
			ZVAL_UNDEF(&ch->handlers.read->stream);
			ch->handlers.read->res = NULL;
			ch->handlers.read->fp = 0;

			curl_easy_setopt(ch->cp, CURLOPT_INFILE, (void *) ch);
		}
	}
	if (ch->handlers.write_header && !Z_ISUNDEF(ch->handlers.write_header->stream)) {
		stream = (php_stream *)zend_fetch_resource2_ex(&ch->handlers.write_header->stream, NULL, php_file_le_stream(), php_file_le_pstream());
		if (stream == NULL) {
			if (reporterror) {
				php_error_docref(NULL, E_WARNING, "CURLOPT_WRITEHEADER resource has gone away, resetting to default");
			}
			zval_ptr_dtor(&ch->handlers.write_header->stream);
			ZVAL_UNDEF(&ch->handlers.write_header->stream);
			ch->handlers.write_header->fp = 0;

			ch->handlers.write_header->method = PHP_CURL_IGNORE;
			curl_easy_setopt(ch->cp, CURLOPT_WRITEHEADER, (void *) ch);
		}
	}
	if (ch->handlers.write && !Z_ISUNDEF(ch->handlers.write->stream)) {
		stream = (php_stream *)zend_fetch_resource2_ex(&ch->handlers.write->stream, NULL, php_file_le_stream(), php_file_le_pstream());
		if (stream == NULL) {
			if (reporterror) {
				php_error_docref(NULL, E_WARNING, "CURLOPT_FILE resource has gone away, resetting to default");
			}
			zval_ptr_dtor(&ch->handlers.write->stream);
			ZVAL_UNDEF(&ch->handlers.write->stream);
			ch->handlers.write->fp = 0;

			ch->handlers.write->method = PHP_CURL_STDOUT;
			curl_easy_setopt(ch->cp, CURLOPT_FILE, (void *) ch);
		}
	}
	return;
}
/* }}} */

/* {{{ curl_module_entry */
zend_module_entry curl_module_entry = {
	STANDARD_MODULE_HEADER,
	"curl",
	ext_functions,
	PHP_MINIT(curl),
	PHP_MSHUTDOWN(curl),
	NULL,
	NULL,
	PHP_MINFO(curl),
	PHP_CURL_VERSION,
	STANDARD_MODULE_PROPERTIES
};
/* }}} */

#ifdef COMPILE_DL_CURL
ZEND_GET_MODULE (curl)
#endif

/* CurlHandle class */

zend_class_entry *curl_ce;
zend_class_entry *curl_share_ce;
static zend_object_handlers curl_object_handlers;

static zend_object *curl_create_object(zend_class_entry *class_type);
static void curl_free_obj(zend_object *object);
static HashTable *curl_get_gc(zend_object *object, zval **table, int *n);
static zend_function *curl_get_constructor(zend_object *object);
static zend_object *curl_clone_obj(zend_object *object);
php_curl *init_curl_handle_into_zval(zval *curl);
static inline int build_mime_structure_from_hash(php_curl *ch, zval *zpostfields);

/* {{{ PHP_INI_BEGIN */
PHP_INI_BEGIN()
	PHP_INI_ENTRY("curl.cainfo", "", PHP_INI_SYSTEM, NULL)
PHP_INI_END()
/* }}} */

/* {{{ PHP_MINFO_FUNCTION */
PHP_MINFO_FUNCTION(curl)
{
	curl_version_info_data *d;
	char **p;
	char str[1024];
	size_t n = 0;

	d = curl_version_info(CURLVERSION_NOW);
	php_info_print_table_start();
	php_info_print_table_row(2, "cURL support",    "enabled");
	php_info_print_table_row(2, "cURL Information", d->version);
	sprintf(str, "%d", d->age);
	php_info_print_table_row(2, "Age", str);

	/* To update on each new cURL release using src/main.c in cURL sources */
	if (d->features) {
		struct feat {
			const char *name;
			int bitmask;
		};

		unsigned int i;

		static const struct feat feats[] = {
			{"AsynchDNS", CURL_VERSION_ASYNCHDNS},
			{"CharConv", CURL_VERSION_CONV},
			{"Debug", CURL_VERSION_DEBUG},
			{"GSS-Negotiate", CURL_VERSION_GSSNEGOTIATE},
			{"IDN", CURL_VERSION_IDN},
			{"IPv6", CURL_VERSION_IPV6},
			{"krb4", CURL_VERSION_KERBEROS4},
			{"Largefile", CURL_VERSION_LARGEFILE},
			{"libz", CURL_VERSION_LIBZ},
			{"NTLM", CURL_VERSION_NTLM},
			{"NTLMWB", CURL_VERSION_NTLM_WB},
			{"SPNEGO", CURL_VERSION_SPNEGO},
			{"SSL",  CURL_VERSION_SSL},
			{"SSPI",  CURL_VERSION_SSPI},
			{"TLS-SRP", CURL_VERSION_TLSAUTH_SRP},
#if LIBCURL_VERSION_NUM >= 0x072100 /* 7.33.0 */
			{"HTTP2", CURL_VERSION_HTTP2},
#endif
#if LIBCURL_VERSION_NUM >= 0x072600 /* 7.38.0 */
			{"GSSAPI", CURL_VERSION_GSSAPI},
#endif
#if LIBCURL_VERSION_NUM >= 0x072800 /* 7.40.0 */
			{"KERBEROS5", CURL_VERSION_KERBEROS5},
			{"UNIX_SOCKETS", CURL_VERSION_UNIX_SOCKETS},
#endif
#if LIBCURL_VERSION_NUM >= 0x072f00 /* 7.47.0 */
			{"PSL", CURL_VERSION_PSL},
#endif
#if LIBCURL_VERSION_NUM >= 0x073400 /* 7.52.0 */
			{"HTTPS_PROXY", CURL_VERSION_HTTPS_PROXY},
#endif
#if LIBCURL_VERSION_NUM >= 0x073800 /* 7.56.0 */
			{"MULTI_SSL", CURL_VERSION_MULTI_SSL},
#endif
#if LIBCURL_VERSION_NUM >= 0x073900 /* 7.57.0 */
			{"BROTLI", CURL_VERSION_BROTLI},
#endif
			{NULL, 0}
		};

		php_info_print_table_row(1, "Features");
		for(i=0; i<sizeof(feats)/sizeof(feats[0]); i++) {
			if (feats[i].name) {
				php_info_print_table_row(2, feats[i].name, d->features & feats[i].bitmask ? "Yes" : "No");
			}
		}
	}

	n = 0;
	p = (char **) d->protocols;
	while (*p != NULL) {
			n += sprintf(str + n, "%s%s", *p, *(p + 1) != NULL ? ", " : "");
			p++;
	}
	php_info_print_table_row(2, "Protocols", str);

	php_info_print_table_row(2, "Host", d->host);

	if (d->ssl_version) {
		php_info_print_table_row(2, "SSL Version", d->ssl_version);
	}

	if (d->libz_version) {
		php_info_print_table_row(2, "ZLib Version", d->libz_version);
	}

#if defined(CURLVERSION_SECOND) && CURLVERSION_NOW >= CURLVERSION_SECOND
	if (d->ares) {
		php_info_print_table_row(2, "ZLib Version", d->ares);
	}
#endif

#if defined(CURLVERSION_THIRD) && CURLVERSION_NOW >= CURLVERSION_THIRD
	if (d->libidn) {
		php_info_print_table_row(2, "libIDN Version", d->libidn);
	}
#endif

	if (d->iconv_ver_num) {
		php_info_print_table_row(2, "IconV Version", d->iconv_ver_num);
	}

	if (d->libssh_version) {
		php_info_print_table_row(2, "libSSH Version", d->libssh_version);
	}

	php_info_print_table_end();

	DISPLAY_INI_ENTRIES();
}
/* }}} */

#define REGISTER_CURL_CONSTANT(__c) REGISTER_LONG_CONSTANT(#__c, __c, CONST_CS | CONST_PERSISTENT)

/* {{{ PHP_MINIT_FUNCTION */
PHP_MINIT_FUNCTION(curl)
{
	REGISTER_INI_ENTRIES();

	/* See http://curl.haxx.se/lxr/source/docs/libcurl/symbols-in-versions
	   or curl src/docs/libcurl/symbols-in-versions for a (almost) complete list
	   of options and which version they were introduced */

	/* Constants for curl_setopt() */
	REGISTER_CURL_CONSTANT(CURLOPT_AUTOREFERER);
	REGISTER_CURL_CONSTANT(CURLOPT_BINARYTRANSFER);
	REGISTER_CURL_CONSTANT(CURLOPT_BUFFERSIZE);
	REGISTER_CURL_CONSTANT(CURLOPT_CAINFO);
	REGISTER_CURL_CONSTANT(CURLOPT_CAPATH);
	REGISTER_CURL_CONSTANT(CURLOPT_CONNECTTIMEOUT);
	REGISTER_CURL_CONSTANT(CURLOPT_COOKIE);
	REGISTER_CURL_CONSTANT(CURLOPT_COOKIEFILE);
	REGISTER_CURL_CONSTANT(CURLOPT_COOKIEJAR);
	REGISTER_CURL_CONSTANT(CURLOPT_COOKIESESSION);
	REGISTER_CURL_CONSTANT(CURLOPT_CRLF);
	REGISTER_CURL_CONSTANT(CURLOPT_CUSTOMREQUEST);
	REGISTER_CURL_CONSTANT(CURLOPT_DNS_CACHE_TIMEOUT);
	REGISTER_CURL_CONSTANT(CURLOPT_DNS_USE_GLOBAL_CACHE);
	REGISTER_CURL_CONSTANT(CURLOPT_EGDSOCKET);
	REGISTER_CURL_CONSTANT(CURLOPT_ENCODING);
	REGISTER_CURL_CONSTANT(CURLOPT_FAILONERROR);
	REGISTER_CURL_CONSTANT(CURLOPT_FILE);
	REGISTER_CURL_CONSTANT(CURLOPT_FILETIME);
	REGISTER_CURL_CONSTANT(CURLOPT_FOLLOWLOCATION);
	REGISTER_CURL_CONSTANT(CURLOPT_FORBID_REUSE);
	REGISTER_CURL_CONSTANT(CURLOPT_FRESH_CONNECT);
	REGISTER_CURL_CONSTANT(CURLOPT_FTPAPPEND);
	REGISTER_CURL_CONSTANT(CURLOPT_FTPLISTONLY);
	REGISTER_CURL_CONSTANT(CURLOPT_FTPPORT);
	REGISTER_CURL_CONSTANT(CURLOPT_FTP_USE_EPRT);
	REGISTER_CURL_CONSTANT(CURLOPT_FTP_USE_EPSV);
	REGISTER_CURL_CONSTANT(CURLOPT_HEADER);
	REGISTER_CURL_CONSTANT(CURLOPT_HEADERFUNCTION);
	REGISTER_CURL_CONSTANT(CURLOPT_HTTP200ALIASES);
	REGISTER_CURL_CONSTANT(CURLOPT_HTTPGET);
	REGISTER_CURL_CONSTANT(CURLOPT_HTTPHEADER);
	REGISTER_CURL_CONSTANT(CURLOPT_HTTPPROXYTUNNEL);
	REGISTER_CURL_CONSTANT(CURLOPT_HTTP_VERSION);
	REGISTER_CURL_CONSTANT(CURLOPT_INFILE);
	REGISTER_CURL_CONSTANT(CURLOPT_INFILESIZE);
	REGISTER_CURL_CONSTANT(CURLOPT_INTERFACE);
	REGISTER_CURL_CONSTANT(CURLOPT_KRB4LEVEL);
	REGISTER_CURL_CONSTANT(CURLOPT_LOW_SPEED_LIMIT);
	REGISTER_CURL_CONSTANT(CURLOPT_LOW_SPEED_TIME);
	REGISTER_CURL_CONSTANT(CURLOPT_MAXCONNECTS);
	REGISTER_CURL_CONSTANT(CURLOPT_MAXREDIRS);
	REGISTER_CURL_CONSTANT(CURLOPT_NETRC);
	REGISTER_CURL_CONSTANT(CURLOPT_NOBODY);
	REGISTER_CURL_CONSTANT(CURLOPT_NOPROGRESS);
	REGISTER_CURL_CONSTANT(CURLOPT_NOSIGNAL);
	REGISTER_CURL_CONSTANT(CURLOPT_PORT);
	REGISTER_CURL_CONSTANT(CURLOPT_POST);
	REGISTER_CURL_CONSTANT(CURLOPT_POSTFIELDS);
	REGISTER_CURL_CONSTANT(CURLOPT_POSTQUOTE);
	REGISTER_CURL_CONSTANT(CURLOPT_PREQUOTE);
	REGISTER_CURL_CONSTANT(CURLOPT_PRIVATE);
	REGISTER_CURL_CONSTANT(CURLOPT_PROGRESSFUNCTION);
	REGISTER_CURL_CONSTANT(CURLOPT_PROXY);
	REGISTER_CURL_CONSTANT(CURLOPT_PROXYPORT);
	REGISTER_CURL_CONSTANT(CURLOPT_PROXYTYPE);
	REGISTER_CURL_CONSTANT(CURLOPT_PROXYUSERPWD);
	REGISTER_CURL_CONSTANT(CURLOPT_PUT);
	REGISTER_CURL_CONSTANT(CURLOPT_QUOTE);
	REGISTER_CURL_CONSTANT(CURLOPT_RANDOM_FILE);
	REGISTER_CURL_CONSTANT(CURLOPT_RANGE);
	REGISTER_CURL_CONSTANT(CURLOPT_READDATA);
	REGISTER_CURL_CONSTANT(CURLOPT_READFUNCTION);
	REGISTER_CURL_CONSTANT(CURLOPT_REFERER);
	REGISTER_CURL_CONSTANT(CURLOPT_RESUME_FROM);
	REGISTER_CURL_CONSTANT(CURLOPT_RETURNTRANSFER);
	REGISTER_CURL_CONSTANT(CURLOPT_SHARE);
	REGISTER_CURL_CONSTANT(CURLOPT_SSLCERT);
	REGISTER_CURL_CONSTANT(CURLOPT_SSLCERTPASSWD);
	REGISTER_CURL_CONSTANT(CURLOPT_SSLCERTTYPE);
	REGISTER_CURL_CONSTANT(CURLOPT_SSLENGINE);
	REGISTER_CURL_CONSTANT(CURLOPT_SSLENGINE_DEFAULT);
	REGISTER_CURL_CONSTANT(CURLOPT_SSLKEY);
	REGISTER_CURL_CONSTANT(CURLOPT_SSLKEYPASSWD);
	REGISTER_CURL_CONSTANT(CURLOPT_SSLKEYTYPE);
	REGISTER_CURL_CONSTANT(CURLOPT_SSLVERSION);
	REGISTER_CURL_CONSTANT(CURLOPT_SSL_CIPHER_LIST);
	REGISTER_CURL_CONSTANT(CURLOPT_SSL_VERIFYHOST);
	REGISTER_CURL_CONSTANT(CURLOPT_SSL_VERIFYPEER);
	REGISTER_CURL_CONSTANT(CURLOPT_STDERR);
	REGISTER_CURL_CONSTANT(CURLOPT_TELNETOPTIONS);
	REGISTER_CURL_CONSTANT(CURLOPT_TIMECONDITION);
	REGISTER_CURL_CONSTANT(CURLOPT_TIMEOUT);
	REGISTER_CURL_CONSTANT(CURLOPT_TIMEVALUE);
	REGISTER_CURL_CONSTANT(CURLOPT_TRANSFERTEXT);
	REGISTER_CURL_CONSTANT(CURLOPT_UNRESTRICTED_AUTH);
	REGISTER_CURL_CONSTANT(CURLOPT_UPLOAD);
	REGISTER_CURL_CONSTANT(CURLOPT_URL);
	REGISTER_CURL_CONSTANT(CURLOPT_USERAGENT);
	REGISTER_CURL_CONSTANT(CURLOPT_USERPWD);
	REGISTER_CURL_CONSTANT(CURLOPT_VERBOSE);
	REGISTER_CURL_CONSTANT(CURLOPT_WRITEFUNCTION);
	REGISTER_CURL_CONSTANT(CURLOPT_WRITEHEADER);

	/* */
	REGISTER_CURL_CONSTANT(CURLE_ABORTED_BY_CALLBACK);
	REGISTER_CURL_CONSTANT(CURLE_BAD_CALLING_ORDER);
	REGISTER_CURL_CONSTANT(CURLE_BAD_CONTENT_ENCODING);
	REGISTER_CURL_CONSTANT(CURLE_BAD_DOWNLOAD_RESUME);
	REGISTER_CURL_CONSTANT(CURLE_BAD_FUNCTION_ARGUMENT);
	REGISTER_CURL_CONSTANT(CURLE_BAD_PASSWORD_ENTERED);
	REGISTER_CURL_CONSTANT(CURLE_COULDNT_CONNECT);
	REGISTER_CURL_CONSTANT(CURLE_COULDNT_RESOLVE_HOST);
	REGISTER_CURL_CONSTANT(CURLE_COULDNT_RESOLVE_PROXY);
	REGISTER_CURL_CONSTANT(CURLE_FAILED_INIT);
	REGISTER_CURL_CONSTANT(CURLE_FILE_COULDNT_READ_FILE);
	REGISTER_CURL_CONSTANT(CURLE_FTP_ACCESS_DENIED);
	REGISTER_CURL_CONSTANT(CURLE_FTP_BAD_DOWNLOAD_RESUME);
	REGISTER_CURL_CONSTANT(CURLE_FTP_CANT_GET_HOST);
	REGISTER_CURL_CONSTANT(CURLE_FTP_CANT_RECONNECT);
	REGISTER_CURL_CONSTANT(CURLE_FTP_COULDNT_GET_SIZE);
	REGISTER_CURL_CONSTANT(CURLE_FTP_COULDNT_RETR_FILE);
	REGISTER_CURL_CONSTANT(CURLE_FTP_COULDNT_SET_ASCII);
	REGISTER_CURL_CONSTANT(CURLE_FTP_COULDNT_SET_BINARY);
	REGISTER_CURL_CONSTANT(CURLE_FTP_COULDNT_STOR_FILE);
	REGISTER_CURL_CONSTANT(CURLE_FTP_COULDNT_USE_REST);
	REGISTER_CURL_CONSTANT(CURLE_FTP_PARTIAL_FILE);
	REGISTER_CURL_CONSTANT(CURLE_FTP_PORT_FAILED);
	REGISTER_CURL_CONSTANT(CURLE_FTP_QUOTE_ERROR);
	REGISTER_CURL_CONSTANT(CURLE_FTP_USER_PASSWORD_INCORRECT);
	REGISTER_CURL_CONSTANT(CURLE_FTP_WEIRD_227_FORMAT);
	REGISTER_CURL_CONSTANT(CURLE_FTP_WEIRD_PASS_REPLY);
	REGISTER_CURL_CONSTANT(CURLE_FTP_WEIRD_PASV_REPLY);
	REGISTER_CURL_CONSTANT(CURLE_FTP_WEIRD_SERVER_REPLY);
	REGISTER_CURL_CONSTANT(CURLE_FTP_WEIRD_USER_REPLY);
	REGISTER_CURL_CONSTANT(CURLE_FTP_WRITE_ERROR);
	REGISTER_CURL_CONSTANT(CURLE_FUNCTION_NOT_FOUND);
	REGISTER_CURL_CONSTANT(CURLE_GOT_NOTHING);
	REGISTER_CURL_CONSTANT(CURLE_HTTP_NOT_FOUND);
	REGISTER_CURL_CONSTANT(CURLE_HTTP_PORT_FAILED);
	REGISTER_CURL_CONSTANT(CURLE_HTTP_POST_ERROR);
	REGISTER_CURL_CONSTANT(CURLE_HTTP_RANGE_ERROR);
	REGISTER_CURL_CONSTANT(CURLE_HTTP_RETURNED_ERROR);
	REGISTER_CURL_CONSTANT(CURLE_LDAP_CANNOT_BIND);
	REGISTER_CURL_CONSTANT(CURLE_LDAP_SEARCH_FAILED);
	REGISTER_CURL_CONSTANT(CURLE_LIBRARY_NOT_FOUND);
	REGISTER_CURL_CONSTANT(CURLE_MALFORMAT_USER);
	REGISTER_CURL_CONSTANT(CURLE_OBSOLETE);
	REGISTER_CURL_CONSTANT(CURLE_OK);
	REGISTER_CURL_CONSTANT(CURLE_OPERATION_TIMEDOUT);
	REGISTER_CURL_CONSTANT(CURLE_OPERATION_TIMEOUTED);
	REGISTER_CURL_CONSTANT(CURLE_OUT_OF_MEMORY);
	REGISTER_CURL_CONSTANT(CURLE_PARTIAL_FILE);
	REGISTER_CURL_CONSTANT(CURLE_READ_ERROR);
	REGISTER_CURL_CONSTANT(CURLE_RECV_ERROR);
	REGISTER_CURL_CONSTANT(CURLE_SEND_ERROR);
	REGISTER_CURL_CONSTANT(CURLE_SHARE_IN_USE);
	REGISTER_CURL_CONSTANT(CURLE_SSL_CACERT);
	REGISTER_CURL_CONSTANT(CURLE_SSL_CERTPROBLEM);
	REGISTER_CURL_CONSTANT(CURLE_SSL_CIPHER);
	REGISTER_CURL_CONSTANT(CURLE_SSL_CONNECT_ERROR);
	REGISTER_CURL_CONSTANT(CURLE_SSL_ENGINE_NOTFOUND);
	REGISTER_CURL_CONSTANT(CURLE_SSL_ENGINE_SETFAILED);
	REGISTER_CURL_CONSTANT(CURLE_SSL_PEER_CERTIFICATE);
#if LIBCURL_VERSION_NUM >= 0x072700 /* Available since 7.39.0 */
	REGISTER_CURL_CONSTANT(CURLE_SSL_PINNEDPUBKEYNOTMATCH);
#endif
	REGISTER_CURL_CONSTANT(CURLE_TELNET_OPTION_SYNTAX);
	REGISTER_CURL_CONSTANT(CURLE_TOO_MANY_REDIRECTS);
	REGISTER_CURL_CONSTANT(CURLE_UNKNOWN_TELNET_OPTION);
	REGISTER_CURL_CONSTANT(CURLE_UNSUPPORTED_PROTOCOL);
	REGISTER_CURL_CONSTANT(CURLE_URL_MALFORMAT);
	REGISTER_CURL_CONSTANT(CURLE_URL_MALFORMAT_USER);
	REGISTER_CURL_CONSTANT(CURLE_WRITE_ERROR);

	/* cURL info constants */
	REGISTER_CURL_CONSTANT(CURLINFO_CONNECT_TIME);
	REGISTER_CURL_CONSTANT(CURLINFO_CONTENT_LENGTH_DOWNLOAD);
	REGISTER_CURL_CONSTANT(CURLINFO_CONTENT_LENGTH_UPLOAD);
	REGISTER_CURL_CONSTANT(CURLINFO_CONTENT_TYPE);
	REGISTER_CURL_CONSTANT(CURLINFO_EFFECTIVE_URL);
	REGISTER_CURL_CONSTANT(CURLINFO_FILETIME);
	REGISTER_CURL_CONSTANT(CURLINFO_HEADER_OUT);
	REGISTER_CURL_CONSTANT(CURLINFO_HEADER_SIZE);
	REGISTER_CURL_CONSTANT(CURLINFO_HTTP_CODE);
	REGISTER_CURL_CONSTANT(CURLINFO_LASTONE);
	REGISTER_CURL_CONSTANT(CURLINFO_NAMELOOKUP_TIME);
	REGISTER_CURL_CONSTANT(CURLINFO_PRETRANSFER_TIME);
	REGISTER_CURL_CONSTANT(CURLINFO_PRIVATE);
	REGISTER_CURL_CONSTANT(CURLINFO_REDIRECT_COUNT);
	REGISTER_CURL_CONSTANT(CURLINFO_REDIRECT_TIME);
	REGISTER_CURL_CONSTANT(CURLINFO_REQUEST_SIZE);
	REGISTER_CURL_CONSTANT(CURLINFO_SIZE_DOWNLOAD);
	REGISTER_CURL_CONSTANT(CURLINFO_SIZE_UPLOAD);
	REGISTER_CURL_CONSTANT(CURLINFO_SPEED_DOWNLOAD);
	REGISTER_CURL_CONSTANT(CURLINFO_SPEED_UPLOAD);
	REGISTER_CURL_CONSTANT(CURLINFO_SSL_VERIFYRESULT);
	REGISTER_CURL_CONSTANT(CURLINFO_STARTTRANSFER_TIME);
	REGISTER_CURL_CONSTANT(CURLINFO_TOTAL_TIME);

	/* Other */
	REGISTER_CURL_CONSTANT(CURLMSG_DONE);
	REGISTER_CURL_CONSTANT(CURLVERSION_NOW);

	/* Curl Multi Constants */
	REGISTER_CURL_CONSTANT(CURLM_BAD_EASY_HANDLE);
	REGISTER_CURL_CONSTANT(CURLM_BAD_HANDLE);
	REGISTER_CURL_CONSTANT(CURLM_CALL_MULTI_PERFORM);
	REGISTER_CURL_CONSTANT(CURLM_INTERNAL_ERROR);
	REGISTER_CURL_CONSTANT(CURLM_OK);
	REGISTER_CURL_CONSTANT(CURLM_OUT_OF_MEMORY);
#if LIBCURL_VERSION_NUM >= 0x072001 /* Available since 7.32.1 */
	REGISTER_CURL_CONSTANT(CURLM_ADDED_ALREADY);
#endif

	/* Curl proxy constants */
	REGISTER_CURL_CONSTANT(CURLPROXY_HTTP);
	REGISTER_CURL_CONSTANT(CURLPROXY_SOCKS4);
	REGISTER_CURL_CONSTANT(CURLPROXY_SOCKS5);

	/* Curl Share constants */
	REGISTER_CURL_CONSTANT(CURLSHOPT_NONE);
	REGISTER_CURL_CONSTANT(CURLSHOPT_SHARE);
	REGISTER_CURL_CONSTANT(CURLSHOPT_UNSHARE);

	/* Curl Http Version constants (CURLOPT_HTTP_VERSION) */
	REGISTER_CURL_CONSTANT(CURL_HTTP_VERSION_1_0);
	REGISTER_CURL_CONSTANT(CURL_HTTP_VERSION_1_1);
	REGISTER_CURL_CONSTANT(CURL_HTTP_VERSION_NONE);

	/* Curl Lock constants */
	REGISTER_CURL_CONSTANT(CURL_LOCK_DATA_COOKIE);
	REGISTER_CURL_CONSTANT(CURL_LOCK_DATA_DNS);
	REGISTER_CURL_CONSTANT(CURL_LOCK_DATA_SSL_SESSION);

	/* Curl NETRC constants (CURLOPT_NETRC) */
	REGISTER_CURL_CONSTANT(CURL_NETRC_IGNORED);
	REGISTER_CURL_CONSTANT(CURL_NETRC_OPTIONAL);
	REGISTER_CURL_CONSTANT(CURL_NETRC_REQUIRED);

	/* Curl SSL Version constants (CURLOPT_SSLVERSION) */
	REGISTER_CURL_CONSTANT(CURL_SSLVERSION_DEFAULT);
	REGISTER_CURL_CONSTANT(CURL_SSLVERSION_SSLv2);
	REGISTER_CURL_CONSTANT(CURL_SSLVERSION_SSLv3);
	REGISTER_CURL_CONSTANT(CURL_SSLVERSION_TLSv1);

	/* Curl TIMECOND constants (CURLOPT_TIMECONDITION) */
	REGISTER_CURL_CONSTANT(CURL_TIMECOND_IFMODSINCE);
	REGISTER_CURL_CONSTANT(CURL_TIMECOND_IFUNMODSINCE);
	REGISTER_CURL_CONSTANT(CURL_TIMECOND_LASTMOD);
	REGISTER_CURL_CONSTANT(CURL_TIMECOND_NONE);

	/* Curl version constants */
	REGISTER_CURL_CONSTANT(CURL_VERSION_ASYNCHDNS);
	REGISTER_CURL_CONSTANT(CURL_VERSION_CONV);
	REGISTER_CURL_CONSTANT(CURL_VERSION_DEBUG);
	REGISTER_CURL_CONSTANT(CURL_VERSION_GSSNEGOTIATE);
	REGISTER_CURL_CONSTANT(CURL_VERSION_IDN);
	REGISTER_CURL_CONSTANT(CURL_VERSION_IPV6);
	REGISTER_CURL_CONSTANT(CURL_VERSION_KERBEROS4);
	REGISTER_CURL_CONSTANT(CURL_VERSION_LARGEFILE);
	REGISTER_CURL_CONSTANT(CURL_VERSION_LIBZ);
	REGISTER_CURL_CONSTANT(CURL_VERSION_NTLM);
	REGISTER_CURL_CONSTANT(CURL_VERSION_SPNEGO);
	REGISTER_CURL_CONSTANT(CURL_VERSION_SSL);
	REGISTER_CURL_CONSTANT(CURL_VERSION_SSPI);

	/* Available since 7.10.6 */
	REGISTER_CURL_CONSTANT(CURLOPT_HTTPAUTH);
	/* http authentication options */
	REGISTER_CURL_CONSTANT(CURLAUTH_ANY);
	REGISTER_CURL_CONSTANT(CURLAUTH_ANYSAFE);
	REGISTER_CURL_CONSTANT(CURLAUTH_BASIC);
	REGISTER_CURL_CONSTANT(CURLAUTH_DIGEST);
	REGISTER_CURL_CONSTANT(CURLAUTH_GSSNEGOTIATE);
	REGISTER_CURL_CONSTANT(CURLAUTH_NONE);
	REGISTER_CURL_CONSTANT(CURLAUTH_NTLM);

	/* Available since 7.10.7 */
	REGISTER_CURL_CONSTANT(CURLINFO_HTTP_CONNECTCODE);
	REGISTER_CURL_CONSTANT(CURLOPT_FTP_CREATE_MISSING_DIRS);
	REGISTER_CURL_CONSTANT(CURLOPT_PROXYAUTH);

	/* Available since 7.10.8 */
	REGISTER_CURL_CONSTANT(CURLE_FILESIZE_EXCEEDED);
	REGISTER_CURL_CONSTANT(CURLE_LDAP_INVALID_URL);
	REGISTER_CURL_CONSTANT(CURLINFO_HTTPAUTH_AVAIL);
	REGISTER_CURL_CONSTANT(CURLINFO_RESPONSE_CODE);
	REGISTER_CURL_CONSTANT(CURLINFO_PROXYAUTH_AVAIL);
	REGISTER_CURL_CONSTANT(CURLOPT_FTP_RESPONSE_TIMEOUT);
	REGISTER_CURL_CONSTANT(CURLOPT_IPRESOLVE);
	REGISTER_CURL_CONSTANT(CURLOPT_MAXFILESIZE);
	REGISTER_CURL_CONSTANT(CURL_IPRESOLVE_V4);
	REGISTER_CURL_CONSTANT(CURL_IPRESOLVE_V6);
	REGISTER_CURL_CONSTANT(CURL_IPRESOLVE_WHATEVER);

	/* Available since 7.11.0 */
	REGISTER_CURL_CONSTANT(CURLE_FTP_SSL_FAILED);
	REGISTER_CURL_CONSTANT(CURLFTPSSL_ALL);
	REGISTER_CURL_CONSTANT(CURLFTPSSL_CONTROL);
	REGISTER_CURL_CONSTANT(CURLFTPSSL_NONE);
	REGISTER_CURL_CONSTANT(CURLFTPSSL_TRY);
	REGISTER_CURL_CONSTANT(CURLOPT_FTP_SSL);
	REGISTER_CURL_CONSTANT(CURLOPT_NETRC_FILE);

	/* Available since 7.11.2 */
	REGISTER_CURL_CONSTANT(CURLOPT_TCP_NODELAY);

	/* Available since 7.12.2 */
	REGISTER_CURL_CONSTANT(CURLFTPAUTH_DEFAULT);
	REGISTER_CURL_CONSTANT(CURLFTPAUTH_SSL);
	REGISTER_CURL_CONSTANT(CURLFTPAUTH_TLS);
	REGISTER_CURL_CONSTANT(CURLOPT_FTPSSLAUTH);

	/* Available since 7.13.0 */
	REGISTER_CURL_CONSTANT(CURLOPT_FTP_ACCOUNT);

	/* Available since 7.12.2 */
	REGISTER_CURL_CONSTANT(CURLINFO_OS_ERRNO);

	/* Available since 7.12.3 */
	REGISTER_CURL_CONSTANT(CURLINFO_NUM_CONNECTS);
	REGISTER_CURL_CONSTANT(CURLINFO_SSL_ENGINES);

	/* Available since 7.14.1 */
	REGISTER_CURL_CONSTANT(CURLINFO_COOKIELIST);
	REGISTER_CURL_CONSTANT(CURLOPT_COOKIELIST);
	REGISTER_CURL_CONSTANT(CURLOPT_IGNORE_CONTENT_LENGTH);

	/* Available since 7.15.0 */
	REGISTER_CURL_CONSTANT(CURLOPT_FTP_SKIP_PASV_IP);

	/* Available since 7.15.1 */
	REGISTER_CURL_CONSTANT(CURLOPT_FTP_FILEMETHOD);

	/* Available since 7.15.2 */
	REGISTER_CURL_CONSTANT(CURLOPT_CONNECT_ONLY);
	REGISTER_CURL_CONSTANT(CURLOPT_LOCALPORT);
	REGISTER_CURL_CONSTANT(CURLOPT_LOCALPORTRANGE);

	/* Available since 7.15.3 */
	REGISTER_CURL_CONSTANT(CURLFTPMETHOD_MULTICWD);
	REGISTER_CURL_CONSTANT(CURLFTPMETHOD_NOCWD);
	REGISTER_CURL_CONSTANT(CURLFTPMETHOD_SINGLECWD);

	/* Available since 7.15.4 */
	REGISTER_CURL_CONSTANT(CURLINFO_FTP_ENTRY_PATH);

	/* Available since 7.15.5 */
	REGISTER_CURL_CONSTANT(CURLOPT_FTP_ALTERNATIVE_TO_USER);
	REGISTER_CURL_CONSTANT(CURLOPT_MAX_RECV_SPEED_LARGE);
	REGISTER_CURL_CONSTANT(CURLOPT_MAX_SEND_SPEED_LARGE);

	/* Available since 7.16.0 */
	REGISTER_CURL_CONSTANT(CURLE_SSL_CACERT_BADFILE);
	REGISTER_CURL_CONSTANT(CURLOPT_SSL_SESSIONID_CACHE);
	REGISTER_CURL_CONSTANT(CURLMOPT_PIPELINING);

	/* Available since 7.16.1 */
	REGISTER_CURL_CONSTANT(CURLE_SSH);
	REGISTER_CURL_CONSTANT(CURLOPT_FTP_SSL_CCC);
	REGISTER_CURL_CONSTANT(CURLOPT_SSH_AUTH_TYPES);
	REGISTER_CURL_CONSTANT(CURLOPT_SSH_PRIVATE_KEYFILE);
	REGISTER_CURL_CONSTANT(CURLOPT_SSH_PUBLIC_KEYFILE);
	REGISTER_CURL_CONSTANT(CURLFTPSSL_CCC_ACTIVE);
	REGISTER_CURL_CONSTANT(CURLFTPSSL_CCC_NONE);
	REGISTER_CURL_CONSTANT(CURLFTPSSL_CCC_PASSIVE);

	/* Available since 7.16.2 */
	REGISTER_CURL_CONSTANT(CURLOPT_CONNECTTIMEOUT_MS);
	REGISTER_CURL_CONSTANT(CURLOPT_HTTP_CONTENT_DECODING);
	REGISTER_CURL_CONSTANT(CURLOPT_HTTP_TRANSFER_DECODING);
	REGISTER_CURL_CONSTANT(CURLOPT_TIMEOUT_MS);

	/* Available since 7.16.3 */
	REGISTER_CURL_CONSTANT(CURLMOPT_MAXCONNECTS);

	/* Available since 7.16.4 */
	REGISTER_CURL_CONSTANT(CURLOPT_KRBLEVEL);
	REGISTER_CURL_CONSTANT(CURLOPT_NEW_DIRECTORY_PERMS);
	REGISTER_CURL_CONSTANT(CURLOPT_NEW_FILE_PERMS);

	/* Available since 7.17.0 */
	REGISTER_CURL_CONSTANT(CURLOPT_APPEND);
	REGISTER_CURL_CONSTANT(CURLOPT_DIRLISTONLY);
	REGISTER_CURL_CONSTANT(CURLOPT_USE_SSL);
	/* Curl SSL Constants */
	REGISTER_CURL_CONSTANT(CURLUSESSL_ALL);
	REGISTER_CURL_CONSTANT(CURLUSESSL_CONTROL);
	REGISTER_CURL_CONSTANT(CURLUSESSL_NONE);
	REGISTER_CURL_CONSTANT(CURLUSESSL_TRY);

	/* Available since 7.17.1 */
	REGISTER_CURL_CONSTANT(CURLOPT_SSH_HOST_PUBLIC_KEY_MD5);

	/* Available since 7.18.0 */
	REGISTER_CURL_CONSTANT(CURLOPT_PROXY_TRANSFER_MODE);
	REGISTER_CURL_CONSTANT(CURLPAUSE_ALL);
	REGISTER_CURL_CONSTANT(CURLPAUSE_CONT);
	REGISTER_CURL_CONSTANT(CURLPAUSE_RECV);
	REGISTER_CURL_CONSTANT(CURLPAUSE_RECV_CONT);
	REGISTER_CURL_CONSTANT(CURLPAUSE_SEND);
	REGISTER_CURL_CONSTANT(CURLPAUSE_SEND_CONT);
	REGISTER_CURL_CONSTANT(CURL_READFUNC_PAUSE);
	REGISTER_CURL_CONSTANT(CURL_WRITEFUNC_PAUSE);

	REGISTER_CURL_CONSTANT(CURLPROXY_SOCKS4A);
	REGISTER_CURL_CONSTANT(CURLPROXY_SOCKS5_HOSTNAME);

	/* Available since 7.18.2 */
	REGISTER_CURL_CONSTANT(CURLINFO_REDIRECT_URL);

	/* Available since 7.19.0 */
	REGISTER_CURL_CONSTANT(CURLINFO_APPCONNECT_TIME);
	REGISTER_CURL_CONSTANT(CURLINFO_PRIMARY_IP);

	REGISTER_CURL_CONSTANT(CURLOPT_ADDRESS_SCOPE);
	REGISTER_CURL_CONSTANT(CURLOPT_CRLFILE);
	REGISTER_CURL_CONSTANT(CURLOPT_ISSUERCERT);
	REGISTER_CURL_CONSTANT(CURLOPT_KEYPASSWD);

	REGISTER_CURL_CONSTANT(CURLSSH_AUTH_ANY);
	REGISTER_CURL_CONSTANT(CURLSSH_AUTH_DEFAULT);
	REGISTER_CURL_CONSTANT(CURLSSH_AUTH_HOST);
	REGISTER_CURL_CONSTANT(CURLSSH_AUTH_KEYBOARD);
	REGISTER_CURL_CONSTANT(CURLSSH_AUTH_NONE);
	REGISTER_CURL_CONSTANT(CURLSSH_AUTH_PASSWORD);
	REGISTER_CURL_CONSTANT(CURLSSH_AUTH_PUBLICKEY);

	/* Available since 7.19.1 */
	REGISTER_CURL_CONSTANT(CURLINFO_CERTINFO);
	REGISTER_CURL_CONSTANT(CURLOPT_CERTINFO);
	REGISTER_CURL_CONSTANT(CURLOPT_PASSWORD);
	REGISTER_CURL_CONSTANT(CURLOPT_POSTREDIR);
	REGISTER_CURL_CONSTANT(CURLOPT_PROXYPASSWORD);
	REGISTER_CURL_CONSTANT(CURLOPT_PROXYUSERNAME);
	REGISTER_CURL_CONSTANT(CURLOPT_USERNAME);
	REGISTER_CURL_CONSTANT(CURL_REDIR_POST_301);
	REGISTER_CURL_CONSTANT(CURL_REDIR_POST_302);
	REGISTER_CURL_CONSTANT(CURL_REDIR_POST_ALL);

	/* Available since 7.19.3 */
	REGISTER_CURL_CONSTANT(CURLAUTH_DIGEST_IE);

	/* Available since 7.19.4 */
	REGISTER_CURL_CONSTANT(CURLINFO_CONDITION_UNMET);

	REGISTER_CURL_CONSTANT(CURLOPT_NOPROXY);
	REGISTER_CURL_CONSTANT(CURLOPT_PROTOCOLS);
	REGISTER_CURL_CONSTANT(CURLOPT_REDIR_PROTOCOLS);
	REGISTER_CURL_CONSTANT(CURLOPT_SOCKS5_GSSAPI_NEC);
	REGISTER_CURL_CONSTANT(CURLOPT_SOCKS5_GSSAPI_SERVICE);
	REGISTER_CURL_CONSTANT(CURLOPT_TFTP_BLKSIZE);

	REGISTER_CURL_CONSTANT(CURLPROTO_ALL);
	REGISTER_CURL_CONSTANT(CURLPROTO_DICT);
	REGISTER_CURL_CONSTANT(CURLPROTO_FILE);
	REGISTER_CURL_CONSTANT(CURLPROTO_FTP);
	REGISTER_CURL_CONSTANT(CURLPROTO_FTPS);
	REGISTER_CURL_CONSTANT(CURLPROTO_HTTP);
	REGISTER_CURL_CONSTANT(CURLPROTO_HTTPS);
	REGISTER_CURL_CONSTANT(CURLPROTO_LDAP);
	REGISTER_CURL_CONSTANT(CURLPROTO_LDAPS);
	REGISTER_CURL_CONSTANT(CURLPROTO_SCP);
	REGISTER_CURL_CONSTANT(CURLPROTO_SFTP);
	REGISTER_CURL_CONSTANT(CURLPROTO_TELNET);
	REGISTER_CURL_CONSTANT(CURLPROTO_TFTP);

	REGISTER_CURL_CONSTANT(CURLPROXY_HTTP_1_0);

	REGISTER_CURL_CONSTANT(CURLFTP_CREATE_DIR);
	REGISTER_CURL_CONSTANT(CURLFTP_CREATE_DIR_NONE);
	REGISTER_CURL_CONSTANT(CURLFTP_CREATE_DIR_RETRY);

	/* Available since 7.19.6 */
	REGISTER_CURL_CONSTANT(CURL_VERSION_CURLDEBUG);
	REGISTER_CURL_CONSTANT(CURLOPT_SSH_KNOWNHOSTS);

	/* Available since 7.20.0 */
	REGISTER_CURL_CONSTANT(CURLINFO_RTSP_CLIENT_CSEQ);
	REGISTER_CURL_CONSTANT(CURLINFO_RTSP_CSEQ_RECV);
	REGISTER_CURL_CONSTANT(CURLINFO_RTSP_SERVER_CSEQ);
	REGISTER_CURL_CONSTANT(CURLINFO_RTSP_SESSION_ID);
	REGISTER_CURL_CONSTANT(CURLOPT_FTP_USE_PRET);
	REGISTER_CURL_CONSTANT(CURLOPT_MAIL_FROM);
	REGISTER_CURL_CONSTANT(CURLOPT_MAIL_RCPT);
	REGISTER_CURL_CONSTANT(CURLOPT_RTSP_CLIENT_CSEQ);
	REGISTER_CURL_CONSTANT(CURLOPT_RTSP_REQUEST);
	REGISTER_CURL_CONSTANT(CURLOPT_RTSP_SERVER_CSEQ);
	REGISTER_CURL_CONSTANT(CURLOPT_RTSP_SESSION_ID);
	REGISTER_CURL_CONSTANT(CURLOPT_RTSP_STREAM_URI);
	REGISTER_CURL_CONSTANT(CURLOPT_RTSP_TRANSPORT);
	REGISTER_CURL_CONSTANT(CURLPROTO_IMAP);
	REGISTER_CURL_CONSTANT(CURLPROTO_IMAPS);
	REGISTER_CURL_CONSTANT(CURLPROTO_POP3);
	REGISTER_CURL_CONSTANT(CURLPROTO_POP3S);
	REGISTER_CURL_CONSTANT(CURLPROTO_RTSP);
	REGISTER_CURL_CONSTANT(CURLPROTO_SMTP);
	REGISTER_CURL_CONSTANT(CURLPROTO_SMTPS);
	REGISTER_CURL_CONSTANT(CURL_RTSPREQ_ANNOUNCE);
	REGISTER_CURL_CONSTANT(CURL_RTSPREQ_DESCRIBE);
	REGISTER_CURL_CONSTANT(CURL_RTSPREQ_GET_PARAMETER);
	REGISTER_CURL_CONSTANT(CURL_RTSPREQ_OPTIONS);
	REGISTER_CURL_CONSTANT(CURL_RTSPREQ_PAUSE);
	REGISTER_CURL_CONSTANT(CURL_RTSPREQ_PLAY);
	REGISTER_CURL_CONSTANT(CURL_RTSPREQ_RECEIVE);
	REGISTER_CURL_CONSTANT(CURL_RTSPREQ_RECORD);
	REGISTER_CURL_CONSTANT(CURL_RTSPREQ_SET_PARAMETER);
	REGISTER_CURL_CONSTANT(CURL_RTSPREQ_SETUP);
	REGISTER_CURL_CONSTANT(CURL_RTSPREQ_TEARDOWN);

	/* Available since 7.21.0 */
	REGISTER_CURL_CONSTANT(CURLINFO_LOCAL_IP);
	REGISTER_CURL_CONSTANT(CURLINFO_LOCAL_PORT);
	REGISTER_CURL_CONSTANT(CURLINFO_PRIMARY_PORT);
	REGISTER_CURL_CONSTANT(CURLOPT_FNMATCH_FUNCTION);
	REGISTER_CURL_CONSTANT(CURLOPT_WILDCARDMATCH);
	REGISTER_CURL_CONSTANT(CURLPROTO_RTMP);
	REGISTER_CURL_CONSTANT(CURLPROTO_RTMPE);
	REGISTER_CURL_CONSTANT(CURLPROTO_RTMPS);
	REGISTER_CURL_CONSTANT(CURLPROTO_RTMPT);
	REGISTER_CURL_CONSTANT(CURLPROTO_RTMPTE);
	REGISTER_CURL_CONSTANT(CURLPROTO_RTMPTS);
	REGISTER_CURL_CONSTANT(CURL_FNMATCHFUNC_FAIL);
	REGISTER_CURL_CONSTANT(CURL_FNMATCHFUNC_MATCH);
	REGISTER_CURL_CONSTANT(CURL_FNMATCHFUNC_NOMATCH);

	/* Available since 7.21.2 */
	REGISTER_CURL_CONSTANT(CURLPROTO_GOPHER);

	/* Available since 7.21.3 */
	REGISTER_CURL_CONSTANT(CURLAUTH_ONLY);
	REGISTER_CURL_CONSTANT(CURLOPT_RESOLVE);

	/* Available since 7.21.4 */
	REGISTER_CURL_CONSTANT(CURLOPT_TLSAUTH_PASSWORD);
	REGISTER_CURL_CONSTANT(CURLOPT_TLSAUTH_TYPE);
	REGISTER_CURL_CONSTANT(CURLOPT_TLSAUTH_USERNAME);
	REGISTER_CURL_CONSTANT(CURL_TLSAUTH_SRP);
	REGISTER_CURL_CONSTANT(CURL_VERSION_TLSAUTH_SRP);

	/* Available since 7.21.6 */
	REGISTER_CURL_CONSTANT(CURLOPT_ACCEPT_ENCODING);
	REGISTER_CURL_CONSTANT(CURLOPT_TRANSFER_ENCODING);

	/* Available since 7.22.0 */
	REGISTER_CURL_CONSTANT(CURLAUTH_NTLM_WB);
	REGISTER_CURL_CONSTANT(CURLGSSAPI_DELEGATION_FLAG);
	REGISTER_CURL_CONSTANT(CURLGSSAPI_DELEGATION_POLICY_FLAG);
	REGISTER_CURL_CONSTANT(CURLOPT_GSSAPI_DELEGATION);
	REGISTER_CURL_CONSTANT(CURL_VERSION_NTLM_WB);

	/* Available since 7.24.0 */
	REGISTER_CURL_CONSTANT(CURLOPT_ACCEPTTIMEOUT_MS);
	REGISTER_CURL_CONSTANT(CURLOPT_DNS_SERVERS);

	/* Available since 7.25.0 */
	REGISTER_CURL_CONSTANT(CURLOPT_MAIL_AUTH);
	REGISTER_CURL_CONSTANT(CURLOPT_SSL_OPTIONS);
	REGISTER_CURL_CONSTANT(CURLOPT_TCP_KEEPALIVE);
	REGISTER_CURL_CONSTANT(CURLOPT_TCP_KEEPIDLE);
	REGISTER_CURL_CONSTANT(CURLOPT_TCP_KEEPINTVL);
	REGISTER_CURL_CONSTANT(CURLSSLOPT_ALLOW_BEAST);

	/* Available since 7.25.1 */
	REGISTER_CURL_CONSTANT(CURL_REDIR_POST_303);

	/* Available since 7.28.0 */
	REGISTER_CURL_CONSTANT(CURLSSH_AUTH_AGENT);

#if LIBCURL_VERSION_NUM >= 0x071e00 /* Available since 7.30.0 */
	REGISTER_CURL_CONSTANT(CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE);
	REGISTER_CURL_CONSTANT(CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE);
	REGISTER_CURL_CONSTANT(CURLMOPT_MAX_HOST_CONNECTIONS);
	REGISTER_CURL_CONSTANT(CURLMOPT_MAX_PIPELINE_LENGTH);
	REGISTER_CURL_CONSTANT(CURLMOPT_MAX_TOTAL_CONNECTIONS);
#endif

#if LIBCURL_VERSION_NUM >= 0x071f00 /* Available since 7.31.0 */
	REGISTER_CURL_CONSTANT(CURLOPT_SASL_IR);
#endif

#if LIBCURL_VERSION_NUM >= 0x072100 /* Available since 7.33.0 */
	REGISTER_CURL_CONSTANT(CURLOPT_DNS_INTERFACE);
	REGISTER_CURL_CONSTANT(CURLOPT_DNS_LOCAL_IP4);
	REGISTER_CURL_CONSTANT(CURLOPT_DNS_LOCAL_IP6);
	REGISTER_CURL_CONSTANT(CURLOPT_XOAUTH2_BEARER);

	REGISTER_CURL_CONSTANT(CURL_HTTP_VERSION_2_0);
	REGISTER_CURL_CONSTANT(CURL_VERSION_HTTP2);
#endif

#if LIBCURL_VERSION_NUM >= 0x072200 /* Available since 7.34.0 */
	REGISTER_CURL_CONSTANT(CURLOPT_LOGIN_OPTIONS);

	REGISTER_CURL_CONSTANT(CURL_SSLVERSION_TLSv1_0);
	REGISTER_CURL_CONSTANT(CURL_SSLVERSION_TLSv1_1);
	REGISTER_CURL_CONSTANT(CURL_SSLVERSION_TLSv1_2);
#endif

#if LIBCURL_VERSION_NUM >= 0x072400 /* Available since 7.36.0 */
	REGISTER_CURL_CONSTANT(CURLOPT_EXPECT_100_TIMEOUT_MS);
	REGISTER_CURL_CONSTANT(CURLOPT_SSL_ENABLE_ALPN);
	REGISTER_CURL_CONSTANT(CURLOPT_SSL_ENABLE_NPN);
#endif

#if LIBCURL_VERSION_NUM >= 0x072500 /* Available since 7.37.0 */
	REGISTER_CURL_CONSTANT(CURLHEADER_SEPARATE);
	REGISTER_CURL_CONSTANT(CURLHEADER_UNIFIED);
	REGISTER_CURL_CONSTANT(CURLOPT_HEADEROPT);
	REGISTER_CURL_CONSTANT(CURLOPT_PROXYHEADER);
#endif

#if LIBCURL_VERSION_NUM >= 0x072600 /* Available since 7.38.0 */
	REGISTER_CURL_CONSTANT(CURLAUTH_NEGOTIATE);
	REGISTER_CURL_CONSTANT(CURL_VERSION_GSSAPI);
#endif

#if LIBCURL_VERSION_NUM >= 0x072700 /* Available since 7.39.0 */
	REGISTER_CURL_CONSTANT(CURLOPT_PINNEDPUBLICKEY);
#endif

#if LIBCURL_VERSION_NUM >= 0x072800 /* Available since 7.40.0 */
	REGISTER_CURL_CONSTANT(CURLOPT_UNIX_SOCKET_PATH);
	REGISTER_CURL_CONSTANT(CURLPROTO_SMB);
	REGISTER_CURL_CONSTANT(CURLPROTO_SMBS);
	REGISTER_CURL_CONSTANT(CURL_VERSION_KERBEROS5);
	REGISTER_CURL_CONSTANT(CURL_VERSION_UNIX_SOCKETS);
#endif

#if LIBCURL_VERSION_NUM >= 0x072900 /* Available since 7.41.0 */
	REGISTER_CURL_CONSTANT(CURLOPT_SSL_VERIFYSTATUS);
#endif

#if LIBCURL_VERSION_NUM >= 0x072a00 /* Available since 7.42.0 */
	REGISTER_CURL_CONSTANT(CURLOPT_PATH_AS_IS);
	REGISTER_CURL_CONSTANT(CURLOPT_SSL_FALSESTART);
#endif