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|
/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2002 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.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. |
+----------------------------------------------------------------------+
| Authors: Paul Panotzki - Bunyip Information Systems |
| Jim Winstead <jimw@php.net> |
| Sascha Schumann <sascha@schumann.cx> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
/* converted to PHP Streams and moved much code to main/network.c [wez] */
/* Synced with php 3.0 revision 1.121 1999-06-18 [ssb] */
/* Synced with php 3.0 revision 1.133 1999-07-21 [sas] */
#include "php.h"
#include "php_globals.h"
#include <stdlib.h>
#include <stddef.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef PHP_WIN32
#include <winsock.h>
#else
#include <netinet/in.h>
#include <netdb.h>
#if HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#endif
#if defined(PHP_WIN32) || defined(__riscos__)
#undef AF_UNIX
#endif
#if defined(AF_UNIX)
#include <sys/un.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#ifndef PF_INET
#define PF_INET AF_INET
#endif
#ifndef PF_UNIX
#define PF_UNIX AF_UNIX
#endif
#include <string.h>
#include <errno.h>
#include "base64.h"
#include "file.h"
#include "url.h"
#include "fsock.h"
#include "php_network.h"
#ifdef ZTS
static int fsock_globals_id;
#endif
#ifdef PHP_WIN32
#define EWOULDBLOCK WSAEWOULDBLOCK
#else
#include "build-defs.h"
#endif
/* {{{ php_lookup_hostname */
/*
* Converts a host name to an IP address.
*/
PHPAPI int php_lookup_hostname(const char *addr, struct in_addr *in)
{
struct hostent *host_info;
if (!inet_aton(addr, in)) {
/* XXX NOT THREAD SAFE */
host_info = gethostbyname(addr);
if (host_info == 0) {
/* Error: unknown host */
return -1;
}
*in = *((struct in_addr *) host_info->h_addr);
}
return 0;
}
/* }}} */
/* {{{ php_fsockopen() */
static void php_fsockopen_stream(INTERNAL_FUNCTION_PARAMETERS, int persistent)
{
char *host;
int host_len;
int port = -1;
int err;
zval *zerrno = NULL, *zerrstr = NULL;
double timeout = 60;
unsigned long conv;
struct timeval tv;
char *hashkey = NULL;
php_stream *stream = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|lzzd", &host, &host_len, &port, &zerrno, &zerrstr, &timeout) == FAILURE) {
RETURN_FALSE;
}
hashkey = emalloc(host_len + 10);
sprintf(hashkey, "%s:%d", host, port);
if (persistent && zend_hash_find(&FG(ht_persistent_socks), hashkey, strlen(hashkey) + 1,
(void *) &stream) == SUCCESS)
{
efree(hashkey);
php_stream_to_zval(stream, return_value);
return;
}
/* prepare the timeout value for use */
conv = (unsigned long) (timeout * 1000000.0);
tv.tv_sec = conv / 1000000;
tv.tv_usec = conv % 1000000;
if (zerrno) {
zval_dtor(zerrno);
ZVAL_LONG(zerrno, 0);
}
if (zerrstr) {
zval_dtor(zerrstr);
ZVAL_STRING(zerrno, "", 1);
}
if (port > 0) { /* connect to a host */
enum php_sslflags_t { php_ssl_none, php_ssl_v23, php_ssl_tls };
enum php_sslflags_t ssl_flags = php_ssl_none;
struct {
char *proto;
int protolen;
int socktype;
enum php_sslflags_t ssl_flags;
/* more flags to be added here */
} sockmodes[] = {
{ "udp://", 6, SOCK_DGRAM, php_ssl_none },
{ "tcp://", 6, SOCK_STREAM, php_ssl_none },
{ "ssl://", 6, SOCK_STREAM, php_ssl_v23 },
{ "tls://", 6, SOCK_STREAM, php_ssl_tls },
/* more modes to be added here */
{ NULL, 0, 0 }
};
int socktype = SOCK_STREAM;
int i;
for (i = 0; sockmodes[i].proto != NULL; i++) {
if (strncmp(host, sockmodes[i].proto, sockmodes[i].protolen) == 0) {
ssl_flags = sockmodes[i].ssl_flags;
socktype = sockmodes[i].socktype;
host += sockmodes[i].protolen;
break;
}
}
#if !HAVE_OPENSSL_EXT
if (ssl_flags != php_ssl_none) {
zend_error(E_WARNING, "%s(): no SSL support in this build", get_active_function_name(TSRMLS_C));
}
else
#endif
stream = php_stream_sock_open_host(host, (unsigned short)port, socktype, (int)timeout, persistent);
#ifdef PHP_WIN32
/* Preserve error */
err = WSAGetLastError();
#endif
if (stream == NULL) {
zend_error(E_WARNING, "%s(): unable to connect to %s:%d",
get_active_function_name(TSRMLS_C), host, port);
}
#if HAVE_OPENSSL_EXT
if (stream && ssl_flags != php_ssl_none) {
int ssl_ret = FAILURE;
switch(ssl_flags) {
case php_ssl_v23:
ssl_ret = php_stream_sock_ssl_activate_with_method(stream, 1, SSLv23_client_method() TSRMLS_CC);
break;
case php_ssl_tls:
ssl_ret = php_stream_sock_ssl_activate_with_method(stream, 1, TLSv1_client_method() TSRMLS_CC);
break;
default:
/* unknown ?? */
}
if (ssl_ret == FAILURE)
zend_error(E_WARNING, "%s(): failed to activate SSL mode %d", get_active_function_name(TSRMLS_C), ssl_flags);
}
#endif
} else
stream = php_stream_sock_open_unix(host, host_len, persistent, &tv);
if (stream && persistent) {
zend_hash_update(&FG(ht_persistent_socks), hashkey, strlen(hashkey) + 1,
&stream, sizeof(stream), NULL);
}
efree(hashkey);
if (stream == NULL) {
if (zerrno) {
zval_dtor(zerrno);
#ifndef PHP_WIN32
ZVAL_LONG(zerrno, errno);
#else
ZVAL_LONG(zerrno, err);
#endif
}
#ifndef PHP_WIN32
if (zerrstr) {
zval_dtor(zerrstr);
ZVAL_STRING(zerrstr, strerror(errno), 1);
}
#else
if (zerrstr) {
char *buf;
if (! FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
Z_LVAL_P(zerrno), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&buf, 0, NULL)) {
RETURN_FALSE;
}
ZVAL_STRING(zerrstr, buf, 1);
LocalFree(buf);
}
#endif
RETURN_FALSE;
}
php_stream_to_zval(stream, return_value);
}
/* }}} */
/* {{{ proto int fsockopen(string hostname, int port [, int errno [, string errstr [, float timeout]]])
Open Internet or Unix domain socket connection */
PHP_FUNCTION(fsockopen)
{
php_fsockopen_stream(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */
/* {{{ proto int pfsockopen(string hostname, int port [, int errno [, string errstr [, float timeout]]])
Open persistent Internet or Unix domain socket connection */
PHP_FUNCTION(pfsockopen)
{
php_fsockopen_stream(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */
/* {{{ RSHUTDOWN_FUNCTION(fsock) */
PHP_RSHUTDOWN_FUNCTION(fsock)
{
return SUCCESS;
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/
|
