mirror of
https://github.com/php/php-src.git
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305 lines
8.6 KiB
C
305 lines
8.6 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP version 4.0 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2001 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.02 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available at through the world-wide-web at |
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| http://www.php.net/license/2_02.txt. |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Rasmus Lerdorf <rasmus@lerdorf.on.ca> |
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| Jim Winstead <jimw@php.net> |
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| Hartmut Holzgraefe <hholzgra@php.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#include "php.h"
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#include "php_globals.h"
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#include "php_network.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#ifdef PHP_WIN32
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#include <windows.h>
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#include <winsock.h>
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#define O_RDONLY _O_RDONLY
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#include "win32/param.h"
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#else
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#include <sys/param.h>
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#endif
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#include "php_standard.h"
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#include <sys/types.h>
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#if HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef PHP_WIN32
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#include <winsock.h>
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#else
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#include <netinet/in.h>
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#include <netdb.h>
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#if HAVE_ARPA_INET_H
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#include <arpa/inet.h>
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#endif
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#endif
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#ifdef PHP_WIN32
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#undef AF_UNIX
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#endif
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#if defined(AF_UNIX)
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#include <sys/un.h>
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#endif
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#include "php_fopen_wrappers.h"
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#define HTTP_HEADER_BLOCK_SIZE 128
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FILE *php_fopen_url_wrap_http(char *path, char *mode, int options, int *issock, int *socketd, char **opened_path)
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{
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FILE *fp=NULL;
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php_url *resource=NULL;
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char tmp_line[128];
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char location[512];
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char hdr_line[8192];
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int body = 0;
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char *scratch;
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unsigned char *tmp;
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int len;
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int reqok = 0;
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zval *response_header;
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char *http_header_line;
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int http_header_line_length, http_header_line_size;
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resource = url_parse((char *) path);
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if (resource == NULL) {
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php_error(E_WARNING, "Invalid URL specified, %s", path);
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*issock = BAD_URL;
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return NULL;
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}
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/* use port 80 if one wasn't specified */
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if (resource->port == 0) {
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resource->port = 80;
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}
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*socketd = php_hostconnect(resource->host, resource->port, SOCK_STREAM, 0);
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if (*socketd == -1) {
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SOCK_FCLOSE(*socketd);
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*socketd = 0;
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free_url(resource);
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return NULL;
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}
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#if 0
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if ((fp = fdopen(*socketd, "r+")) == NULL) {
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free_url(resource);
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return NULL;
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}
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#ifdef HAVE_SETVBUF
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if ((setvbuf(fp, NULL, _IONBF, 0)) != 0) {
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free_url(resource);
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return NULL;
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}
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#endif
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#endif /*win32 */
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strcpy(hdr_line, "GET ");
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/* tell remote http which file to get */
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if (resource->path != NULL) {
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strlcat(hdr_line, resource->path, sizeof(hdr_line));
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} else {
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strlcat(hdr_line, "/", sizeof(hdr_line));
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}
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/* append the query string, if any */
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if (resource->query != NULL) {
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strlcat(hdr_line, "?", sizeof(hdr_line));
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strlcat(hdr_line, resource->query, sizeof(hdr_line));
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}
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strlcat(hdr_line, " HTTP/1.0\r\n", sizeof(hdr_line));
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SOCK_WRITE(hdr_line, *socketd);
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/* send authorization header if we have user/pass */
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if (resource->user != NULL && resource->pass != NULL) {
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scratch = (char *) emalloc(strlen(resource->user) + strlen(resource->pass) + 2);
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if (!scratch) {
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free_url(resource);
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return NULL;
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}
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strcpy(scratch, resource->user);
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strcat(scratch, ":");
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strcat(scratch, resource->pass);
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tmp = php_base64_encode((unsigned char *)scratch, strlen(scratch), NULL);
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if (snprintf(hdr_line, sizeof(hdr_line),
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"Authorization: Basic %s\r\n", tmp) > 0) {
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SOCK_WRITE(hdr_line, *socketd);
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}
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efree(scratch);
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efree(tmp);
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}
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/* if the user has configured who they are, send a From: line */
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if (cfg_get_string("from", &scratch) == SUCCESS) {
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if (snprintf(hdr_line, sizeof(hdr_line),
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"From: %s\r\n", scratch) > 0) {
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SOCK_WRITE(hdr_line, *socketd);
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}
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}
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/* send a Host: header so name-based virtual hosts work */
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if (resource->port != 80) {
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len = snprintf(hdr_line, sizeof(hdr_line),
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"Host: %s:%i\r\n", resource->host, resource->port);
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} else {
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len = snprintf(hdr_line, sizeof(hdr_line),
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"Host: %s\r\n", resource->host);
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}
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if(len > sizeof(hdr_line) - 1) {
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len = sizeof(hdr_line) - 1;
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}
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if (len > 0) {
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SOCK_WRITE(hdr_line, *socketd);
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}
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/* identify ourselves and end the headers */
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SOCK_WRITE("User-Agent: PHP/" PHP_VERSION "\r\n\r\n", *socketd);
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body = 0;
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location[0] = '\0';
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MAKE_STD_ZVAL(response_header);
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array_init(response_header);
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if (!SOCK_FEOF(*socketd)) {
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/* get response header */
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if (SOCK_FGETS(tmp_line, sizeof(tmp_line)-1, *socketd) != NULL) {
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zval *http_response;
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MAKE_STD_ZVAL(http_response);
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if (strncmp(tmp_line + 8, " 200 ", 5) == 0) {
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reqok = 1;
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}
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Z_STRLEN_P(http_response) = strlen(tmp_line);
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Z_STRVAL_P(http_response) = estrndup(tmp_line, Z_STRLEN_P(http_response));
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if (Z_STRVAL_P(http_response)[Z_STRLEN_P(http_response)-1]=='\n') {
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Z_STRVAL_P(http_response)[Z_STRLEN_P(http_response)-1]=0;
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Z_STRLEN_P(http_response)--;
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if (Z_STRVAL_P(http_response)[Z_STRLEN_P(http_response)-1]=='\r') {
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Z_STRVAL_P(http_response)[Z_STRLEN_P(http_response)-1]=0;
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Z_STRLEN_P(http_response)--;
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}
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}
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Z_TYPE_P(http_response) = IS_STRING;
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zend_hash_next_index_insert(Z_ARRVAL_P(response_header), &http_response, sizeof(zval *), NULL);
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}
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}
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/* Read past HTTP headers */
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while (!body && !SOCK_FEOF(*socketd)) {
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http_header_line = emalloc(HTTP_HEADER_BLOCK_SIZE);
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http_header_line_size = HTTP_HEADER_BLOCK_SIZE;
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http_header_line_length = 0;
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if (SOCK_FGETS(http_header_line, HTTP_HEADER_BLOCK_SIZE-1, *socketd) != NULL) {
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char *p;
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zend_bool found_eol=0;
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zval *http_header;
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http_header_line[HTTP_HEADER_BLOCK_SIZE-1] = '\0';
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do {
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p = http_header_line+http_header_line_length;
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while (*p) {
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while (*p == '\n' || *p == '\r') {
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*p = '\0';
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p--;
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found_eol=1;
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}
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if (found_eol) {
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break;
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}
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p++;
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}
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if (!found_eol) {
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http_header_line_size += HTTP_HEADER_BLOCK_SIZE;
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http_header_line_length += HTTP_HEADER_BLOCK_SIZE-1;
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http_header_line = erealloc(http_header_line, http_header_line_size);
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if (SOCK_FGETS(http_header_line+http_header_line_length, HTTP_HEADER_BLOCK_SIZE-1, *socketd)==NULL) {
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http_header_line[http_header_line_length] = 0;
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break;
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}
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} else {
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http_header_line_length = p-http_header_line+1;
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}
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} while (!found_eol);
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if (!strncasecmp(http_header_line, "Location: ", 10)) {
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strlcpy(location, http_header_line + 10, sizeof(location));
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}
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if (http_header_line[0] == '\0') {
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body = 1;
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}
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if (http_header_line_length>0) {
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MAKE_STD_ZVAL(http_header);
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Z_STRVAL_P(http_header) = http_header_line;
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Z_STRLEN_P(http_header) = http_header_line_length;
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Z_TYPE_P(http_header) = IS_STRING;
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zend_hash_next_index_insert(Z_ARRVAL_P(response_header), &http_header, sizeof(zval *), NULL);
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} else {
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efree(http_header_line);
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}
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}
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}
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if (!reqok) {
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SOCK_FCLOSE(*socketd);
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*socketd = 0;
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free_url(resource);
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if (location[0] != '\0') {
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zval **response_header_new, *entry, **entryp;
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ELS_FETCH();
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fp = php_fopen_url_wrap_http(location, mode, options, issock, socketd, opened_path);
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if (zend_hash_find(EG(active_symbol_table), "http_response_header", sizeof("http_response_header"), (void **) &response_header_new) == SUCCESS) {
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entryp = &entry;
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MAKE_STD_ZVAL(entry);
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ZVAL_EMPTY_STRING(entry);
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zend_hash_next_index_insert(Z_ARRVAL_P(response_header), entryp, sizeof(zval *), NULL);
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zend_hash_internal_pointer_reset(Z_ARRVAL_PP(response_header_new));
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while (zend_hash_get_current_data(Z_ARRVAL_PP(response_header_new), (void **)&entryp) == SUCCESS) {
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zval_add_ref(entryp);
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zend_hash_next_index_insert(Z_ARRVAL_P(response_header), entryp, sizeof(zval *), NULL);
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zend_hash_move_forward(Z_ARRVAL_PP(response_header_new));
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}
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}
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goto out;
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} else {
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fp = NULL;
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goto out;
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}
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}
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free_url(resource);
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*issock = 1;
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out:
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{
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ELS_FETCH();
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ZEND_SET_SYMBOL(EG(active_symbol_table), "http_response_header", response_header);
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}
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return (fp);
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}
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