Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.HEADphp-5.4.13master

1 files changed, 962 insertions, 0 deletions

diff --git a/ext/standard/http_fopen_wrapper.c b/ext/standard/http_fopen_wrapper.c
new file mode 100644
index 0000000..870f904
--- /dev/null
+++ b/ext/standard/http_fopen_wrapper.c
@@ -0,0 +1,962 @@
+/*
+   +----------------------------------------------------------------------+
+   | PHP Version 5                                                        |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1997-2013 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:           |
+   | http://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.               |
+   +----------------------------------------------------------------------+
+   | Authors: Rasmus Lerdorf <rasmus@php.net>                             |
+   |          Jim Winstead <jimw@php.net>                                 |
+   |          Hartmut Holzgraefe <hholzgra@php.net>                       |
+   |          Wez Furlong <wez@thebrainroom.com>                          |
+   |          Sara Golemon <pollita@php.net>                              |
+   +----------------------------------------------------------------------+
+ */
+/* $Id$ */ 
+
+#include "php.h"
+#include "php_globals.h"
+#include "php_streams.h"
+#include "php_network.h"
+#include "php_ini.h"
+#include "ext/standard/basic_functions.h"
+#include "ext/standard/php_smart_str.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#ifdef PHP_WIN32
+#define O_RDONLY _O_RDONLY
+#include "win32/param.h"
+#else
+#include <sys/param.h>
+#endif
+
+#include "php_standard.h"
+
+#include <sys/types.h>
+#if HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+#ifdef PHP_WIN32
+#include <winsock2.h>
+#elif defined(NETWARE) && defined(USE_WINSOCK)
+#include <novsock2.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__) || defined(NETWARE)
+#undef AF_UNIX
+#endif
+
+#if defined(AF_UNIX)
+#include <sys/un.h>
+#endif
+
+#include "php_fopen_wrappers.h"
+
+#define HTTP_HEADER_BLOCK_SIZE		1024
+#define PHP_URL_REDIRECT_MAX		20
+#define HTTP_HEADER_USER_AGENT		1
+#define HTTP_HEADER_HOST			2
+#define HTTP_HEADER_AUTH			4
+#define HTTP_HEADER_FROM			8
+#define HTTP_HEADER_CONTENT_LENGTH	16
+#define HTTP_HEADER_TYPE			32
+
+#define HTTP_WRAPPER_HEADER_INIT    1
+#define HTTP_WRAPPER_REDIRECTED     2
+
+php_stream *php_stream_url_wrap_http_ex(php_stream_wrapper *wrapper, char *path, char *mode, int options, char **opened_path, php_stream_context *context, int redirect_max, int flags STREAMS_DC TSRMLS_DC) /* {{{ */
+{
+	php_stream *stream = NULL;
+	php_url *resource = NULL;
+	int use_ssl;
+	int use_proxy = 0;
+	char *scratch = NULL;
+	char *tmp = NULL;
+	char *ua_str = NULL;
+	zval **ua_zval = NULL, **tmpzval = NULL;
+	int scratch_len = 0;
+	int body = 0;
+	char location[HTTP_HEADER_BLOCK_SIZE];
+	zval *response_header = NULL;
+	int reqok = 0;
+	char *http_header_line = NULL;
+	char tmp_line[128];
+	size_t chunk_size = 0, file_size = 0;
+	int eol_detect = 0;
+	char *transport_string, *errstr = NULL;
+	int transport_len, have_header = 0, request_fulluri = 0, ignore_errors = 0;
+	char *protocol_version = NULL;
+	int protocol_version_len = 3; /* Default: "1.0" */
+	struct timeval timeout;
+	char *user_headers = NULL;
+	int header_init = ((flags & HTTP_WRAPPER_HEADER_INIT) != 0);
+	int redirected = ((flags & HTTP_WRAPPER_REDIRECTED) != 0);
+	int follow_location = 1;
+	php_stream_filter *transfer_encoding = NULL;
+	int response_code;
+
+	tmp_line[0] = '\0';
+
+	if (redirect_max < 1) {
+		php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Redirection limit reached, aborting");
+		return NULL;
+	}
+
+	resource = php_url_parse(path);
+	if (resource == NULL) {
+		return NULL;
+	}
+
+	if (strncasecmp(resource->scheme, "http", sizeof("http")) && strncasecmp(resource->scheme, "https", sizeof("https"))) {
+		if (!context || 
+			php_stream_context_get_option(context, wrapper->wops->label, "proxy", &tmpzval) == FAILURE ||
+			Z_TYPE_PP(tmpzval) != IS_STRING ||
+			Z_STRLEN_PP(tmpzval) <= 0) {
+			php_url_free(resource);
+			return php_stream_open_wrapper_ex(path, mode, REPORT_ERRORS, NULL, context);
+		}
+		/* Called from a non-http wrapper with http proxying requested (i.e. ftp) */
+		request_fulluri = 1;
+		use_ssl = 0;
+		use_proxy = 1;
+
+		transport_len = Z_STRLEN_PP(tmpzval);
+		transport_string = estrndup(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval));
+	} else {
+		/* Normal http request (possibly with proxy) */
+	
+		if (strpbrk(mode, "awx+")) {
+			php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP wrapper does not support writeable connections");
+			php_url_free(resource);
+			return NULL;
+		}
+
+		use_ssl = resource->scheme && (strlen(resource->scheme) > 4) && resource->scheme[4] == 's';
+		/* choose default ports */
+		if (use_ssl && resource->port == 0)
+			resource->port = 443;
+		else if (resource->port == 0)
+			resource->port = 80;
+
+		if (context &&
+			php_stream_context_get_option(context, wrapper->wops->label, "proxy", &tmpzval) == SUCCESS &&
+			Z_TYPE_PP(tmpzval) == IS_STRING &&
+			Z_STRLEN_PP(tmpzval) > 0) {
+			use_proxy = 1;
+			transport_len = Z_STRLEN_PP(tmpzval);
+			transport_string = estrndup(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval));
+		} else {
+			transport_len = spprintf(&transport_string, 0, "%s://%s:%d", use_ssl ? "ssl" : "tcp", resource->host, resource->port);
+		}
+	}
+
+	if (context && php_stream_context_get_option(context, wrapper->wops->label, "timeout", &tmpzval) == SUCCESS) {
+		SEPARATE_ZVAL(tmpzval);
+		convert_to_double_ex(tmpzval);
+		timeout.tv_sec = (time_t) Z_DVAL_PP(tmpzval);
+		timeout.tv_usec = (size_t) ((Z_DVAL_PP(tmpzval) - timeout.tv_sec) * 1000000);
+	} else {
+		timeout.tv_sec = FG(default_socket_timeout);
+		timeout.tv_usec = 0;
+	}
+
+	stream = php_stream_xport_create(transport_string, transport_len, options,
+			STREAM_XPORT_CLIENT | STREAM_XPORT_CONNECT,
+			NULL, &timeout, context, &errstr, NULL);
+    
+	if (stream) {
+		php_stream_set_option(stream, PHP_STREAM_OPTION_READ_TIMEOUT, 0, &timeout);
+	}
+			
+	if (errstr) {
+		php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "%s", errstr);
+		efree(errstr);
+		errstr = NULL;
+	}
+
+	efree(transport_string);
+
+	if (stream && use_proxy && use_ssl) {
+		smart_str header = {0};
+
+		smart_str_appendl(&header, "CONNECT ", sizeof("CONNECT ")-1);
+		smart_str_appends(&header, resource->host);
+		smart_str_appendc(&header, ':');
+		smart_str_append_unsigned(&header, resource->port);
+		smart_str_appendl(&header, " HTTP/1.0\r\n", sizeof(" HTTP/1.0\r\n")-1);
+
+	    /* check if we have Proxy-Authorization header */
+		if (context && php_stream_context_get_option(context, "http", "header", &tmpzval) == SUCCESS) {
+			char *s, *p;
+
+			if (Z_TYPE_PP(tmpzval) == IS_ARRAY) {
+				HashPosition pos;
+				zval **tmpheader = NULL;
+
+				for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(tmpzval), &pos);
+					SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(tmpzval), (void *)&tmpheader, &pos);
+					zend_hash_move_forward_ex(Z_ARRVAL_PP(tmpzval), &pos)) {
+					if (Z_TYPE_PP(tmpheader) == IS_STRING) {
+						s = Z_STRVAL_PP(tmpheader);
+						do {
+							while (*s == ' ' || *s == '\t') s++;
+							p = s;
+							while (*p != 0 && *p != ':' && *p != '\r' && *p !='\n') p++;
+							if (*p == ':') {
+								p++;
+								if (p - s == sizeof("Proxy-Authorization:") - 1 &&
+								    zend_binary_strcasecmp(s, sizeof("Proxy-Authorization:") - 1,
+								        "Proxy-Authorization:", sizeof("Proxy-Authorization:") - 1) == 0) {
+									while (*p != 0 && *p != '\r' && *p !='\n') p++;
+									smart_str_appendl(&header, s, p - s);
+									smart_str_appendl(&header, "\r\n", sizeof("\r\n")-1);
+									goto finish;
+								} else {
+									while (*p != 0 && *p != '\r' && *p !='\n') p++;
+								}
+							}
+							s = p;
+							while (*s == '\r' || *s == '\n') s++;
+						} while (*s != 0);
+					}
+				}
+			} else if (Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval)) {
+				s = Z_STRVAL_PP(tmpzval);
+				do {
+					while (*s == ' ' || *s == '\t') s++;
+					p = s;
+					while (*p != 0 && *p != ':' && *p != '\r' && *p !='\n') p++;
+					if (*p == ':') {
+						p++;
+						if (p - s == sizeof("Proxy-Authorization:") - 1 &&
+						    zend_binary_strcasecmp(s, sizeof("Proxy-Authorization:") - 1,
+						        "Proxy-Authorization:", sizeof("Proxy-Authorization:") - 1) == 0) {
+							while (*p != 0 && *p != '\r' && *p !='\n') p++;
+							smart_str_appendl(&header, s, p - s);
+							smart_str_appendl(&header, "\r\n", sizeof("\r\n")-1);
+							goto finish;
+						} else {
+							while (*p != 0 && *p != '\r' && *p !='\n') p++;
+						}
+					}
+					s = p;
+					while (*s == '\r' || *s == '\n') s++;
+				} while (*s != 0);
+			}
+		}
+finish:
+		smart_str_appendl(&header, "\r\n", sizeof("\r\n")-1);
+
+		if (php_stream_write(stream, header.c, header.len) != header.len) {
+			php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Cannot connect to HTTPS server through proxy");
+			php_stream_close(stream);
+			stream = NULL;
+		}
+ 	 	smart_str_free(&header);
+
+ 	 	if (stream) {
+ 	 		char header_line[HTTP_HEADER_BLOCK_SIZE];
+
+			/* get response header */
+			while (php_stream_gets(stream, header_line, HTTP_HEADER_BLOCK_SIZE-1) != NULL) {
+				if (header_line[0] == '\n' ||
+				    header_line[0] == '\r' ||
+				    header_line[0] == '\0') {
+				  break;
+				}
+			}
+		}
+
+		/* enable SSL transport layer */
+		if (stream) {
+			if (php_stream_xport_crypto_setup(stream, STREAM_CRYPTO_METHOD_SSLv23_CLIENT, NULL TSRMLS_CC) < 0 ||
+			    php_stream_xport_crypto_enable(stream, 1 TSRMLS_CC) < 0) {
+				php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Cannot connect to HTTPS server through proxy");
+				php_stream_close(stream);
+				stream = NULL;
+			}
+		}
+	}
+
+	if (stream == NULL)
+		goto out;
+
+	/* avoid buffering issues while reading header */
+	if (options & STREAM_WILL_CAST)
+		chunk_size = php_stream_set_chunk_size(stream, 1);
+	
+	/* avoid problems with auto-detecting when reading the headers -> the headers
+	 * are always in canonical \r\n format */
+	eol_detect = stream->flags & (PHP_STREAM_FLAG_DETECT_EOL | PHP_STREAM_FLAG_EOL_MAC);
+	stream->flags &= ~(PHP_STREAM_FLAG_DETECT_EOL | PHP_STREAM_FLAG_EOL_MAC);
+
+	php_stream_context_set(stream, context);
+
+	php_stream_notify_info(context, PHP_STREAM_NOTIFY_CONNECT, NULL, 0);
+
+	if (header_init && context && php_stream_context_get_option(context, "http", "max_redirects", &tmpzval) == SUCCESS) {
+		SEPARATE_ZVAL(tmpzval);
+		convert_to_long_ex(tmpzval);
+		redirect_max = Z_LVAL_PP(tmpzval);
+	}
+
+	if (context && php_stream_context_get_option(context, "http", "method", &tmpzval) == SUCCESS) {
+		if (Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0) {
+			/* As per the RFC, automatically redirected requests MUST NOT use other methods than
+			 * GET and HEAD unless it can be confirmed by the user */
+			if (!redirected
+				|| (Z_STRLEN_PP(tmpzval) == 3 && memcmp("GET", Z_STRVAL_PP(tmpzval), 3) == 0)
+				|| (Z_STRLEN_PP(tmpzval) == 4 && memcmp("HEAD",Z_STRVAL_PP(tmpzval), 4) == 0)
+			) {
+				scratch_len = strlen(path) + 29 + Z_STRLEN_PP(tmpzval);
+				scratch = emalloc(scratch_len);
+				strlcpy(scratch, Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval) + 1);
+				strncat(scratch, " ", 1);
+			}
+		}
+	}
+ 
+	if (context && php_stream_context_get_option(context, "http", "protocol_version", &tmpzval) == SUCCESS) {
+		SEPARATE_ZVAL(tmpzval);
+		convert_to_double_ex(tmpzval);
+		protocol_version_len = spprintf(&protocol_version, 0, "%.1F", Z_DVAL_PP(tmpzval));
+	}
+
+	if (!scratch) {
+		scratch_len = strlen(path) + 29 + protocol_version_len;
+		scratch = emalloc(scratch_len);
+		strncpy(scratch, "GET ", scratch_len);
+	}
+
+	/* Should we send the entire path in the request line, default to no. */
+	if (!request_fulluri &&
+		context &&
+		php_stream_context_get_option(context, "http", "request_fulluri", &tmpzval) == SUCCESS) {
+		zval ztmp = **tmpzval;
+
+		zval_copy_ctor(&ztmp);
+		convert_to_boolean(&ztmp);
+		request_fulluri = Z_BVAL(ztmp) ? 1 : 0;
+		zval_dtor(&ztmp);
+	}
+
+	if (request_fulluri) {
+		/* Ask for everything */
+		strcat(scratch, path);
+	} else {
+		/* Send the traditional /path/to/file?query_string */
+
+		/* file */
+		if (resource->path && *resource->path) {
+			strlcat(scratch, resource->path, scratch_len);
+		} else {
+			strlcat(scratch, "/", scratch_len);
+		}
+
+		/* query string */
+		if (resource->query) {
+			strlcat(scratch, "?", scratch_len);
+			strlcat(scratch, resource->query, scratch_len);
+		}
+	}
+
+	/* protocol version we are speaking */
+	if (protocol_version) {
+		strlcat(scratch, " HTTP/", scratch_len);
+		strlcat(scratch, protocol_version, scratch_len);
+		strlcat(scratch, "\r\n", scratch_len);
+		efree(protocol_version);
+		protocol_version = NULL;
+	} else {
+		strlcat(scratch, " HTTP/1.0\r\n", scratch_len);
+	}
+
+	/* send it */
+	php_stream_write(stream, scratch, strlen(scratch));
+
+	if (context && php_stream_context_get_option(context, "http", "header", &tmpzval) == SUCCESS) {
+		tmp = NULL;
+		
+		if (Z_TYPE_PP(tmpzval) == IS_ARRAY) {
+			HashPosition pos;
+			zval **tmpheader = NULL;
+			smart_str tmpstr = {0};
+
+			for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(tmpzval), &pos);
+				SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(tmpzval), (void *)&tmpheader, &pos);
+				zend_hash_move_forward_ex(Z_ARRVAL_PP(tmpzval), &pos)
+			) {
+				if (Z_TYPE_PP(tmpheader) == IS_STRING) {
+					smart_str_appendl(&tmpstr, Z_STRVAL_PP(tmpheader), Z_STRLEN_PP(tmpheader));
+					smart_str_appendl(&tmpstr, "\r\n", sizeof("\r\n") - 1);
+				}
+			}
+			smart_str_0(&tmpstr);
+			/* Remove newlines and spaces from start and end. there's at least one extra \r\n at the end that needs to go. */
+			if (tmpstr.c) {
+				tmp = php_trim(tmpstr.c, strlen(tmpstr.c), NULL, 0, NULL, 3 TSRMLS_CC);
+				smart_str_free(&tmpstr);
+			}
+		}
+		if (Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval)) {
+			/* Remove newlines and spaces from start and end php_trim will estrndup() */
+			tmp = php_trim(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval), NULL, 0, NULL, 3 TSRMLS_CC);
+		}
+		if (tmp && strlen(tmp) > 0) {
+			char *s;
+
+			if (!header_init) { /* Remove post headers for redirects */
+				int l = strlen(tmp);
+				char *s2, *tmp_c = estrdup(tmp);
+				
+				php_strtolower(tmp_c, l);
+				if ((s = strstr(tmp_c, "content-length:"))) {
+					if ((s2 = memchr(s, '\n', tmp_c + l - s))) {
+						int b = tmp_c + l - 1 - s2;
+						memmove(tmp, tmp + (s2 + 1 - tmp_c), b);
+						memmove(tmp_c, s2 + 1, b);
+						
+					} else {
+						tmp[s - tmp_c] = *s = '\0';
+					}
+					l = strlen(tmp_c);
+				}
+				if ((s = strstr(tmp_c, "content-type:"))) {
+					if ((s2 = memchr(s, '\n', tmp_c + l - s))) {
+						memmove(tmp, tmp + (s2 + 1 - tmp_c), tmp_c + l - 1 - s2);
+					} else {
+						tmp[s - tmp_c] = '\0';
+					}
+				}
+
+				efree(tmp_c);
+				tmp_c = php_trim(tmp, strlen(tmp), NULL, 0, NULL, 3 TSRMLS_CC);
+				efree(tmp);
+				tmp = tmp_c;
+			}
+
+			user_headers = estrdup(tmp);
+
+			/* Make lowercase for easy comparison against 'standard' headers */
+			php_strtolower(tmp, strlen(tmp));
+			if ((s = strstr(tmp, "user-agent:")) && 
+			    (s == tmp || *(s-1) == '\r' || *(s-1) == '\n' || 
+			                 *(s-1) == '\t' || *(s-1) == ' ')) {
+				 have_header |= HTTP_HEADER_USER_AGENT;
+			}
+			if ((s = strstr(tmp, "host:")) &&
+			    (s == tmp || *(s-1) == '\r' || *(s-1) == '\n' || 
+			                 *(s-1) == '\t' || *(s-1) == ' ')) {
+				 have_header |= HTTP_HEADER_HOST;
+			}
+			if ((s = strstr(tmp, "from:")) &&
+			    (s == tmp || *(s-1) == '\r' || *(s-1) == '\n' || 
+			                 *(s-1) == '\t' || *(s-1) == ' ')) {
+				 have_header |= HTTP_HEADER_FROM;
+				}
+			if ((s = strstr(tmp, "authorization:")) &&
+			    (s == tmp || *(s-1) == '\r' || *(s-1) == '\n' || 
+			                 *(s-1) == '\t' || *(s-1) == ' ')) {
+				 have_header |= HTTP_HEADER_AUTH;
+			}
+			if ((s = strstr(tmp, "content-length:")) &&
+			    (s == tmp || *(s-1) == '\r' || *(s-1) == '\n' || 
+			                 *(s-1) == '\t' || *(s-1) == ' ')) {
+				 have_header |= HTTP_HEADER_CONTENT_LENGTH;
+			}
+			if ((s = strstr(tmp, "content-type:")) &&
+			    (s == tmp || *(s-1) == '\r' || *(s-1) == '\n' || 
+			                 *(s-1) == '\t' || *(s-1) == ' ')) {
+				 have_header |= HTTP_HEADER_TYPE;
+			}
+			/* remove Proxy-Authorization header */
+			if (use_proxy && use_ssl && (s = strstr(tmp, "proxy-authorization:")) &&
+			    (s == tmp || *(s-1) == '\r' || *(s-1) == '\n' || 
+			                 *(s-1) == '\t' || *(s-1) == ' ')) {
+				char *p = s + sizeof("proxy-authorization:") - 1;
+				
+				while (s > tmp && (*(s-1) == ' ' || *(s-1) == '\t')) s--;
+				while (*p != 0 && *p != '\r' && *p != '\n') p++;
+				while (*p == '\r' || *p == '\n') p++;
+				if (*p == 0) {
+					if (s == tmp) {
+						efree(user_headers);
+						user_headers = NULL;
+					} else {
+						while (s > tmp && (*(s-1) == '\r' || *(s-1) == '\n')) s--;
+						user_headers[s - tmp] = 0;
+					}
+				} else {
+					memmove(user_headers + (s - tmp), user_headers + (p - tmp), strlen(p) + 1);
+				}
+			}
+
+		}
+		if (tmp) {
+			efree(tmp);
+		}
+	}
+
+	/* auth header if it was specified */
+	if (((have_header & HTTP_HEADER_AUTH) == 0) && resource->user) {
+		/* decode the strings first */
+		php_url_decode(resource->user, strlen(resource->user));
+
+		/* scratch is large enough, since it was made large enough for the whole URL */
+		strcpy(scratch, resource->user);
+		strcat(scratch, ":");
+
+		/* Note: password is optional! */
+		if (resource->pass) {
+			php_url_decode(resource->pass, strlen(resource->pass));
+			strcat(scratch, resource->pass);
+		}
+
+		tmp = (char*)php_base64_encode((unsigned char*)scratch, strlen(scratch), NULL);
+		
+		if (snprintf(scratch, scratch_len, "Authorization: Basic %s\r\n", tmp) > 0) {
+			php_stream_write(stream, scratch, strlen(scratch));
+			php_stream_notify_info(context, PHP_STREAM_NOTIFY_AUTH_REQUIRED, NULL, 0);
+		}
+
+		efree(tmp);
+		tmp = NULL;
+	}
+
+	/* if the user has configured who they are, send a From: line */
+	if (((have_header & HTTP_HEADER_FROM) == 0) && FG(from_address)) {
+		if (snprintf(scratch, scratch_len, "From: %s\r\n", FG(from_address)) > 0)
+			php_stream_write(stream, scratch, strlen(scratch));
+	}
+
+	/* Send Host: header so name-based virtual hosts work */
+	if ((have_header & HTTP_HEADER_HOST) == 0) {
+		if ((use_ssl && resource->port != 443 && resource->port != 0) || 
+			(!use_ssl && resource->port != 80 && resource->port != 0)) {
+			if (snprintf(scratch, scratch_len, "Host: %s:%i\r\n", resource->host, resource->port) > 0)
+				php_stream_write(stream, scratch, strlen(scratch));
+		} else {
+			if (snprintf(scratch, scratch_len, "Host: %s\r\n", resource->host) > 0) {
+				php_stream_write(stream, scratch, strlen(scratch));
+			}
+		}
+	}
+
+	if (context && 
+	    php_stream_context_get_option(context, "http", "user_agent", &ua_zval) == SUCCESS &&
+		Z_TYPE_PP(ua_zval) == IS_STRING) {
+		ua_str = Z_STRVAL_PP(ua_zval);
+	} else if (FG(user_agent)) {
+		ua_str = FG(user_agent);
+	}
+
+	if (((have_header & HTTP_HEADER_USER_AGENT) == 0) && ua_str) {
+#define _UA_HEADER "User-Agent: %s\r\n"
+		char *ua;
+		size_t ua_len;
+		
+		ua_len = sizeof(_UA_HEADER) + strlen(ua_str);
+		
+		/* ensure the header is only sent if user_agent is not blank */
+		if (ua_len > sizeof(_UA_HEADER)) {
+			ua = emalloc(ua_len + 1);
+			if ((ua_len = slprintf(ua, ua_len, _UA_HEADER, ua_str)) > 0) {
+				ua[ua_len] = 0;
+				php_stream_write(stream, ua, ua_len);
+			} else {
+				php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot construct User-agent header");
+			}
+
+			if (ua) {
+				efree(ua);
+			}
+		}	
+	}
+
+	if (user_headers) {
+		/* A bit weird, but some servers require that Content-Length be sent prior to Content-Type for POST
+		 * see bug #44603 for details. Since Content-Type maybe part of user's headers we need to do this check first.
+		 */
+		if (
+				header_init &&
+				context &&
+				!(have_header & HTTP_HEADER_CONTENT_LENGTH) &&
+				php_stream_context_get_option(context, "http", "content", &tmpzval) == SUCCESS &&
+				Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0
+		) {
+			scratch_len = slprintf(scratch, scratch_len, "Content-Length: %d\r\n", Z_STRLEN_PP(tmpzval));
+			php_stream_write(stream, scratch, scratch_len);
+			have_header |= HTTP_HEADER_CONTENT_LENGTH;
+		}
+
+		php_stream_write(stream, user_headers, strlen(user_headers));
+		php_stream_write(stream, "\r\n", sizeof("\r\n")-1);
+		efree(user_headers);
+	}
+
+	/* Request content, such as for POST requests */
+	if (header_init && context &&
+		php_stream_context_get_option(context, "http", "content", &tmpzval) == SUCCESS &&
+		Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0) {
+		if (!(have_header & HTTP_HEADER_CONTENT_LENGTH)) {
+			scratch_len = slprintf(scratch, scratch_len, "Content-Length: %d\r\n", Z_STRLEN_PP(tmpzval));
+			php_stream_write(stream, scratch, scratch_len);
+		}
+		if (!(have_header & HTTP_HEADER_TYPE)) {
+			php_stream_write(stream, "Content-Type: application/x-www-form-urlencoded\r\n",
+				sizeof("Content-Type: application/x-www-form-urlencoded\r\n") - 1);
+			php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Content-type not specified assuming application/x-www-form-urlencoded");
+		}
+		php_stream_write(stream, "\r\n", sizeof("\r\n")-1);
+		php_stream_write(stream, Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval));
+	} else {
+		php_stream_write(stream, "\r\n", sizeof("\r\n")-1);
+	}
+
+	location[0] = '\0';
+
+	if (!EG(active_symbol_table)) {
+		zend_rebuild_symbol_table(TSRMLS_C);
+	}
+
+	if (header_init) {
+		zval *ztmp;
+		MAKE_STD_ZVAL(ztmp);
+		array_init(ztmp);
+		ZEND_SET_SYMBOL(EG(active_symbol_table), "http_response_header", ztmp);
+	}
+
+	{
+		zval **rh;
+		zend_hash_find(EG(active_symbol_table), "http_response_header", sizeof("http_response_header"), (void **) &rh);
+		response_header = *rh;
+	}
+
+	if (!php_stream_eof(stream)) {
+		size_t tmp_line_len;
+		/* get response header */
+
+		if (php_stream_get_line(stream, tmp_line, sizeof(tmp_line) - 1, &tmp_line_len) != NULL) {
+			zval *http_response;
+
+			if (tmp_line_len > 9) {
+				response_code = atoi(tmp_line + 9);
+			} else {
+				response_code = 0;
+			}
+			if (context && SUCCESS==php_stream_context_get_option(context, "http", "ignore_errors", &tmpzval)) {
+				ignore_errors = zend_is_true(*tmpzval);
+			}
+			/* when we request only the header, don't fail even on error codes */
+			if ((options & STREAM_ONLY_GET_HEADERS) || ignore_errors) {
+				reqok = 1;
+			}
+			/* all status codes in the 2xx range are defined by the specification as successful;
+			 * all status codes in the 3xx range are for redirection, and so also should never
+			 * fail */
+			if (response_code >= 200 && response_code < 400) {
+				reqok = 1;
+			} else {
+				switch(response_code) {
+					case 403:
+						php_stream_notify_error(context, PHP_STREAM_NOTIFY_AUTH_RESULT,
+								tmp_line, response_code);
+						break;
+					default:
+						/* safety net in the event tmp_line == NULL */
+						if (!tmp_line_len) {
+							tmp_line[0] = '\0';
+						}
+						php_stream_notify_error(context, PHP_STREAM_NOTIFY_FAILURE,
+								tmp_line, response_code);
+				}
+			}
+			if (tmp_line[tmp_line_len - 1] == '\n') {
+				--tmp_line_len;
+				if (tmp_line[tmp_line_len - 1] == '\r') {
+					--tmp_line_len;
+				}
+			}
+			MAKE_STD_ZVAL(http_response);
+			ZVAL_STRINGL(http_response, tmp_line, tmp_line_len, 1);
+			zend_hash_next_index_insert(Z_ARRVAL_P(response_header), &http_response, sizeof(zval *), NULL);
+		}
+	} else {
+		php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP request failed, unexpected end of socket!");
+		goto out;
+	}
+	
+	/* read past HTTP headers */
+	
+	http_header_line = emalloc(HTTP_HEADER_BLOCK_SIZE);
+
+	while (!body && !php_stream_eof(stream)) {
+		size_t http_header_line_length;
+		if (php_stream_get_line(stream, http_header_line, HTTP_HEADER_BLOCK_SIZE, &http_header_line_length) && *http_header_line != '\n' && *http_header_line != '\r') {
+			char *e = http_header_line + http_header_line_length - 1;
+			if (*e != '\n') {
+				do { /* partial header */
+					if (php_stream_get_line(stream, http_header_line, HTTP_HEADER_BLOCK_SIZE, &http_header_line_length) == NULL) {
+						php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Failed to read HTTP headers");
+						goto out;
+					}
+					e = http_header_line + http_header_line_length - 1;
+				} while (*e != '\n');
+				continue;
+			}
+			while (*e == '\n' || *e == '\r') {
+				e--;
+			}
+			http_header_line_length = e - http_header_line + 1;
+			http_header_line[http_header_line_length] = '\0';
+
+			if (!strncasecmp(http_header_line, "Location: ", 10)) {
+				/* we only care about Location for 300, 301, 302, 303 and 307 */
+				/* see http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.1 */
+				if ((response_code >= 300 && response_code < 304 || 307 == response_code) && context && php_stream_context_get_option(context, "http", "follow_location", &tmpzval) == SUCCESS) {
+					SEPARATE_ZVAL(tmpzval);
+					convert_to_long_ex(tmpzval);
+					follow_location = Z_LVAL_PP(tmpzval);
+				}
+				strlcpy(location, http_header_line + 10, sizeof(location));
+			} else if (!strncasecmp(http_header_line, "Content-Type: ", 14)) {
+				php_stream_notify_info(context, PHP_STREAM_NOTIFY_MIME_TYPE_IS, http_header_line + 14, 0);
+			} else if (!strncasecmp(http_header_line, "Content-Length: ", 16)) {
+				file_size = atoi(http_header_line + 16);
+				php_stream_notify_file_size(context, file_size, http_header_line, 0);
+			} else if (!strncasecmp(http_header_line, "Transfer-Encoding: chunked", sizeof("Transfer-Encoding: chunked"))) {
+
+				/* create filter to decode response body */
+				if (!(options & STREAM_ONLY_GET_HEADERS)) {
+					long decode = 1;
+
+					if (context && php_stream_context_get_option(context, "http", "auto_decode", &tmpzval) == SUCCESS) {
+						SEPARATE_ZVAL(tmpzval);
+						convert_to_boolean(*tmpzval);
+						decode = Z_LVAL_PP(tmpzval);
+					}
+					if (decode) {
+						transfer_encoding = php_stream_filter_create("dechunk", NULL, php_stream_is_persistent(stream) TSRMLS_CC);
+						if (transfer_encoding) {
+							/* don't store transfer-encodeing header */
+							continue;
+						}
+					}
+				}
+			}
+
+			if (http_header_line[0] == '\0') {
+				body = 1;
+			} else {
+				zval *http_header;
+
+				MAKE_STD_ZVAL(http_header);
+
+				ZVAL_STRINGL(http_header, http_header_line, http_header_line_length, 1);
+				
+				zend_hash_next_index_insert(Z_ARRVAL_P(response_header), &http_header, sizeof(zval *), NULL);
+			}
+		} else {
+			break;
+		}
+	}
+
+	if (!reqok || (location[0] != '\0' && follow_location)) {
+		if (!follow_location || (((options & STREAM_ONLY_GET_HEADERS) || ignore_errors) && redirect_max <= 1)) {
+			goto out;
+		}
+
+		if (location[0] != '\0')
+			php_stream_notify_info(context, PHP_STREAM_NOTIFY_REDIRECTED, location, 0);
+
+		php_stream_close(stream);
+		stream = NULL;
+
+		if (location[0] != '\0') {
+
+			char new_path[HTTP_HEADER_BLOCK_SIZE];
+			char loc_path[HTTP_HEADER_BLOCK_SIZE];
+
+			*new_path='\0';
+			if (strlen(location)<8 || (strncasecmp(location, "http://", sizeof("http://")-1) && 
+							strncasecmp(location, "https://", sizeof("https://")-1) && 
+							strncasecmp(location, "ftp://", sizeof("ftp://")-1) && 
+							strncasecmp(location, "ftps://", sizeof("ftps://")-1))) 
+			{
+				if (*location != '/') {
+					if (*(location+1) != '\0' && resource->path) {
+						char *s = strrchr(resource->path, '/');
+						if (!s) {
+							s = resource->path;
+							if (!s[0]) {
+								efree(s);
+								s = resource->path = estrdup("/");
+							} else {
+								*s = '/';
+							}
+						}
+						s[1] = '\0'; 
+						if (resource->path && *(resource->path) == '/' && *(resource->path + 1) == '\0') {
+							snprintf(loc_path, sizeof(loc_path) - 1, "%s%s", resource->path, location);
+						} else {
+							snprintf(loc_path, sizeof(loc_path) - 1, "%s/%s", resource->path, location);
+						}
+					} else {
+						snprintf(loc_path, sizeof(loc_path) - 1, "/%s", location);
+					}
+				} else {
+					strlcpy(loc_path, location, sizeof(loc_path));
+				}
+				if ((use_ssl && resource->port != 443) || (!use_ssl && resource->port != 80)) {
+					snprintf(new_path, sizeof(new_path) - 1, "%s://%s:%d%s", resource->scheme, resource->host, resource->port, loc_path);
+				} else {
+					snprintf(new_path, sizeof(new_path) - 1, "%s://%s%s", resource->scheme, resource->host, loc_path);
+				}
+			} else {
+				strlcpy(new_path, location, sizeof(new_path));
+			}
+
+			php_url_free(resource);
+			/* check for invalid redirection URLs */
+			if ((resource = php_url_parse(new_path)) == NULL) {
+				php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Invalid redirect URL! %s", new_path);
+				goto out;
+			}
+
+#define CHECK_FOR_CNTRL_CHARS(val) { \
+	if (val) { \
+		unsigned char *s, *e; \
+		int l; \
+		l = php_url_decode(val, strlen(val)); \
+		s = (unsigned char*)val; e = s + l; \
+		while (s < e) { \
+			if (iscntrl(*s)) { \
+				php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Invalid redirect URL! %s", new_path); \
+				goto out; \
+			} \
+			s++; \
+		} \
+	} \
+}
+			/* check for control characters in login, password & path */
+			if (strncasecmp(new_path, "http://", sizeof("http://") - 1) || strncasecmp(new_path, "https://", sizeof("https://") - 1)) {
+				CHECK_FOR_CNTRL_CHARS(resource->user)
+				CHECK_FOR_CNTRL_CHARS(resource->pass)
+				CHECK_FOR_CNTRL_CHARS(resource->path)
+			}
+			stream = php_stream_url_wrap_http_ex(wrapper, new_path, mode, options, opened_path, context, --redirect_max, HTTP_WRAPPER_REDIRECTED STREAMS_CC TSRMLS_CC);
+		} else {
+			php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP request failed! %s", tmp_line);
+		}
+	}
+out:
+	if (protocol_version) {
+		efree(protocol_version);
+	}
+
+	if (http_header_line) {
+		efree(http_header_line);
+	}
+
+	if (scratch) {
+		efree(scratch);
+	}
+
+	if (resource) {
+		php_url_free(resource);
+	}
+
+	if (stream) {
+		if (header_init) {
+			zval_add_ref(&response_header);
+			stream->wrapperdata = response_header;
+		}
+		php_stream_notify_progress_init(context, 0, file_size);
+		
+		/* Restore original chunk size now that we're done with headers */
+		if (options & STREAM_WILL_CAST)
+			php_stream_set_chunk_size(stream, chunk_size);
+
+		/* restore the users auto-detect-line-endings setting */
+		stream->flags |= eol_detect;
+		
+		/* as far as streams are concerned, we are now at the start of
+		 * the stream */
+		stream->position = 0;
+
+		/* restore mode */
+		strlcpy(stream->mode, mode, sizeof(stream->mode));
+
+		if (transfer_encoding) {
+			php_stream_filter_append(&stream->readfilters, transfer_encoding);
+		}
+	} else if (transfer_encoding) {
+		php_stream_filter_free(transfer_encoding TSRMLS_CC);
+	}
+
+	return stream;
+}
+/* }}} */
+
+php_stream *php_stream_url_wrap_http(php_stream_wrapper *wrapper, char *path, char *mode, int options, char **opened_path, php_stream_context *context STREAMS_DC TSRMLS_DC) /* {{{ */
+{
+	return php_stream_url_wrap_http_ex(wrapper, path, mode, options, opened_path, context, PHP_URL_REDIRECT_MAX, HTTP_WRAPPER_HEADER_INIT STREAMS_CC TSRMLS_CC);
+}
+/* }}} */
+
+static int php_stream_http_stream_stat(php_stream_wrapper *wrapper, php_stream *stream, php_stream_statbuf *ssb TSRMLS_DC) /* {{{ */
+{
+	/* one day, we could fill in the details based on Date: and Content-Length:
+	 * headers.  For now, we return with a failure code to prevent the underlying
+	 * file's details from being used instead. */
+	return -1;
+}
+/* }}} */
+
+static php_stream_wrapper_ops http_stream_wops = {
+	php_stream_url_wrap_http,
+	NULL, /* stream_close */
+	php_stream_http_stream_stat,
+	NULL, /* stat_url */
+	NULL, /* opendir */
+	"http",
+	NULL, /* unlink */
+	NULL, /* rename */
+	NULL, /* mkdir */
+	NULL  /* rmdir */
+};
+
+PHPAPI php_stream_wrapper php_stream_http_wrapper = {
+	&http_stream_wops,
+	NULL,
+	1 /* is_url */
+};
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: sw=4 ts=4 fdm=marker
+ * vim<600: sw=4 ts=4
+ */