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|
/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997, 1998, 1999, 2000 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: Rasmus Lerdorf <rasmus@lerdorf.on.ca> |
| Jim Winstead <jimw@php.net> |
| Hartmut Holzgraefe <hholzgra@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "php.h"
#include "php_globals.h"
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifdef PHP_WIN32
#include <windows.h>
#include <winsock.h>
#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 <winsock.h>
#else
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
#endif
#ifdef PHP_WIN32
#undef AF_UNIX
#endif
#if defined(AF_UNIX)
#include <sys/un.h>
#endif
#include "php_fopen_wrappers.h"
FILE *php_fopen_url_wrap_http(char *path, char *mode, int options, int *issock, int *socketd, char **opened_path)
{
FILE *fp=NULL;
php_url *resource=NULL;
char tmp_line[512];
char location[512];
char hdr_line[8192];
int body = 0;
char *scratch;
unsigned char *tmp;
int len;
int reqok = 0;
resource = url_parse((char *) path);
if (resource == NULL) {
php_error(E_WARNING, "Invalid URL specified, %s", path);
*issock = BAD_URL;
return NULL;
}
/* use port 80 if one wasn't specified */
if (resource->port == 0)
resource->port = 80;
*socketd = php_hostconnect(resource->host, resource->port, SOCK_STREAM, 0);
if (*socketd == -1) {
SOCK_FCLOSE(*socketd);
*socketd = 0;
free_url(resource);
return NULL;
}
#if 0
if ((fp = fdopen(*socketd, "r+")) == NULL) {
free_url(resource);
return NULL;
}
#ifdef HAVE_SETVBUF
if ((setvbuf(fp, NULL, _IONBF, 0)) != 0) {
free_url(resource);
return NULL;
}
#endif
#endif /*win32 */
strcpy(hdr_line, "GET ");
/* tell remote http which file to get */
if (resource->path != NULL) {
strlcat(hdr_line, resource->path, sizeof(hdr_line));
} else {
strlcat(hdr_line, "/", sizeof(hdr_line));
}
/* append the query string, if any */
if (resource->query != NULL) {
strlcat(hdr_line, "?", sizeof(hdr_line));
strlcat(hdr_line, resource->query, sizeof(hdr_line));
}
strlcat(hdr_line, " HTTP/1.0\r\n", sizeof(hdr_line));
SOCK_WRITE(hdr_line, *socketd);
/* send authorization header if we have user/pass */
if (resource->user != NULL && resource->pass != NULL) {
scratch = (char *) emalloc(strlen(resource->user) + strlen(resource->pass) + 2);
if (!scratch) {
free_url(resource);
return NULL;
}
strcpy(scratch, resource->user);
strcat(scratch, ":");
strcat(scratch, resource->pass);
tmp = php_base64_encode((unsigned char *)scratch, strlen(scratch), NULL);
if (snprintf(hdr_line, sizeof(hdr_line),
"Authorization: Basic %s\r\n", tmp) > 0) {
SOCK_WRITE(hdr_line, *socketd);
}
efree(scratch);
efree(tmp);
}
/* if the user has configured who they are, send a From: line */
if (cfg_get_string("from", &scratch) == SUCCESS) {
if (snprintf(hdr_line, sizeof(hdr_line),
"From: %s\r\n", scratch) > 0) {
SOCK_WRITE(hdr_line, *socketd);
}
}
/* send a Host: header so name-based virtual hosts work */
if (resource->port != 80) {
len = snprintf(hdr_line, sizeof(hdr_line),
"Host: %s:%i\r\n", resource->host, resource->port);
} else {
len = snprintf(hdr_line, sizeof(hdr_line),
"Host: %s\r\n", resource->host);
}
if(len > sizeof(hdr_line) - 1) {
len = sizeof(hdr_line) - 1;
}
if (len > 0) {
SOCK_WRITE(hdr_line, *socketd);
}
/* identify ourselves and end the headers */
SOCK_WRITE("User-Agent: PHP/" PHP_VERSION "\r\n\r\n", *socketd);
body = 0;
location[0] = '\0';
if (!SOCK_FEOF(*socketd)) {
/* get response header */
if (SOCK_FGETS(tmp_line, sizeof(tmp_line)-1, *socketd) != NULL) {
if (strncmp(tmp_line + 8, " 200 ", 5) == 0) {
reqok = 1;
}
}
}
/* Read past HTTP headers */
while (!body && !SOCK_FEOF(*socketd)) {
if (SOCK_FGETS(tmp_line, sizeof(tmp_line)-1, *socketd) != NULL) {
char *p = tmp_line;
tmp_line[sizeof(tmp_line)-1] = '\0';
while (*p) {
if (*p == '\n' || *p == '\r') {
*p = '\0';
}
p++;
}
if (!strncasecmp(tmp_line, "Location: ", 10)) {
strlcpy(location, tmp_line + 10, sizeof(location));
}
if (tmp_line[0] == '\0') {
body = 1;
}
}
}
if (!reqok) {
SOCK_FCLOSE(*socketd);
*socketd = 0;
free_url(resource);
#if 0
if (location[0] != '\0') {
return php_fopen_url_wrapper(location, mode, options, issock, socketd, opened_path);
} else {
return NULL;
}
#else
return NULL;
#endif
}
free_url(resource);
*issock = 1;
return (fp);
}
|
