mirror of
https://github.com/php/php-src.git
synced 2024-10-05 16:56:11 +00:00
305 lines
8.9 KiB
C
305 lines
8.9 KiB
C
/*
|
|
+----------------------------------------------------------------------+
|
|
| Server API Abstraction Layer |
|
|
+----------------------------------------------------------------------+
|
|
| Copyright (c) 1998, 1999 SAPI Development Team |
|
|
+----------------------------------------------------------------------+
|
|
| This source file is subject to the Zend license, that is bundled |
|
|
| with this package in the file LICENSE. If you did not receive a |
|
|
| copy of the Zend license, please mail us at zend@zend.com so we can |
|
|
| send you a copy immediately. |
|
|
+----------------------------------------------------------------------+
|
|
| Design: Shane Caraveo <shane@caraveo.com> |
|
|
| Authors: Andi Gutmans <andi@zend.com> |
|
|
| Zeev Suraski <zeev@zend.com> |
|
|
+----------------------------------------------------------------------+
|
|
*/
|
|
|
|
#include <ctype.h>
|
|
|
|
#include "SAPI.h"
|
|
#ifdef ZTS
|
|
#include "TSRM.h"
|
|
#endif
|
|
|
|
#include "rfc1867.h"
|
|
|
|
#if WIN32||WINNT
|
|
#define STRCASECMP stricmp
|
|
#else
|
|
#define STRCASECMP strcasecmp
|
|
#endif
|
|
|
|
|
|
static SAPI_POST_READER_FUNC(sapi_read_standard_form_data);
|
|
|
|
#define DEFAULT_POST_CONTENT_TYPE "application/x-www-form-urlencoded"
|
|
|
|
static sapi_post_content_type_reader supported_post_content_types[] = {
|
|
{ DEFAULT_POST_CONTENT_TYPE, sizeof(DEFAULT_POST_CONTENT_TYPE)-1, sapi_read_standard_form_data },
|
|
{ MULTIPART_CONTENT_TYPE, sizeof(MULTIPART_CONTENT_TYPE)-1, rfc1867_post_reader },
|
|
{ NULL, 0, NULL }
|
|
};
|
|
|
|
|
|
static HashTable known_post_content_types;
|
|
|
|
SAPI_API void (*sapi_error)(int error_type, const char *message, ...);
|
|
|
|
|
|
#ifdef ZTS
|
|
SAPI_API int sapi_globals_id;
|
|
#else
|
|
sapi_globals_struct sapi_globals;
|
|
#endif
|
|
|
|
|
|
/* True globals (no need for thread safety) */
|
|
sapi_module_struct sapi_module;
|
|
SAPI_API void (*sapi_error)(int error_type, const char *message, ...);
|
|
|
|
|
|
SAPI_API void sapi_startup(sapi_module_struct *sf)
|
|
{
|
|
sapi_post_content_type_reader *post_content_type_reader=supported_post_content_types;
|
|
|
|
sapi_module = *sf;
|
|
zend_hash_init(&known_post_content_types, 5, NULL, NULL, 1);
|
|
while (post_content_type_reader->content_type) {
|
|
sapi_register_post_reader(post_content_type_reader);
|
|
post_content_type_reader++;
|
|
}
|
|
#ifdef ZTS
|
|
sapi_globals_id = ts_allocate_id(sizeof(sapi_globals_struct), NULL, NULL);
|
|
#endif
|
|
}
|
|
|
|
|
|
SAPI_API void sapi_shutdown()
|
|
{
|
|
zend_hash_destroy(&known_post_content_types);
|
|
}
|
|
|
|
|
|
static void sapi_free_header(sapi_header_struct *sapi_header)
|
|
{
|
|
efree(sapi_header->header);
|
|
}
|
|
|
|
|
|
#undef SAPI_POST_BLOCK_SIZE
|
|
#define SAPI_POST_BLOCK_SIZE 2
|
|
|
|
|
|
static void sapi_read_post_data(SLS_D)
|
|
{
|
|
sapi_post_content_type_reader *post_content_type_reader;
|
|
uint content_type_length = strlen(SG(request_info).content_type);
|
|
char *content_type = estrndup(SG(request_info).content_type, content_type_length);
|
|
char *p;
|
|
char oldchar=0;
|
|
|
|
/* dedicated implementation for increased performance:
|
|
* - Make the content type lowercase
|
|
* - Trim descriptive data, stay with the content-type only
|
|
*/
|
|
for (p=content_type; p<content_type+content_type_length; p++) {
|
|
switch (*p) {
|
|
case ';':
|
|
case ',':
|
|
case ' ':
|
|
content_type_length = p-content_type;
|
|
oldchar = *p;
|
|
*p = 0;
|
|
break;
|
|
default:
|
|
*p = tolower(*p);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (zend_hash_find(&known_post_content_types, content_type, content_type_length+1, (void **) &post_content_type_reader)==FAILURE) {
|
|
sapi_module.sapi_error(E_COMPILE_ERROR, "Unsupported content type: '%s'", content_type);
|
|
return;
|
|
}
|
|
if (oldchar) {
|
|
*(p-1) = oldchar;
|
|
}
|
|
post_content_type_reader->post_reader(content_type SLS_CC);
|
|
efree(content_type);
|
|
}
|
|
|
|
|
|
static SAPI_POST_READER_FUNC(sapi_read_standard_form_data)
|
|
{
|
|
int read_bytes, total_read_bytes=0;
|
|
int allocated_bytes=SAPI_POST_BLOCK_SIZE+1;
|
|
|
|
SG(request_info).post_data = emalloc(allocated_bytes);
|
|
|
|
for (;;) {
|
|
read_bytes = sapi_module.read_post(SG(request_info).post_data+total_read_bytes, SAPI_POST_BLOCK_SIZE SLS_CC);
|
|
if (read_bytes<=0) {
|
|
break;
|
|
}
|
|
total_read_bytes += read_bytes;
|
|
if (read_bytes < SAPI_POST_BLOCK_SIZE) {
|
|
break;
|
|
}
|
|
if (total_read_bytes+SAPI_POST_BLOCK_SIZE >= allocated_bytes) {
|
|
allocated_bytes = total_read_bytes+SAPI_POST_BLOCK_SIZE+1;
|
|
SG(request_info).post_data = erealloc(SG(request_info).post_data, allocated_bytes);
|
|
}
|
|
}
|
|
SG(request_info).post_data[total_read_bytes] = 0; /* terminating NULL */
|
|
}
|
|
|
|
|
|
SAPI_API void sapi_activate(SLS_D)
|
|
{
|
|
zend_llist_init(&SG(sapi_headers).headers, sizeof(sapi_header_struct), (void (*)(void *)) sapi_free_header, 0);
|
|
SG(sapi_headers).send_default_content_type = 1;
|
|
SG(sapi_headers).http_response_code = 200;
|
|
SG(sapi_headers).http_status_line = NULL;
|
|
SG(headers_sent) = 0;
|
|
SG(read_post_bytes) = 0;
|
|
SG(request_info).post_data = NULL;
|
|
|
|
if (SG(request_info).request_method && !strcmp(SG(request_info).request_method, "HEAD")) {
|
|
SG(request_info).headers_only = 1;
|
|
} else {
|
|
SG(request_info).headers_only = 0;
|
|
}
|
|
|
|
if (SG(server_context)) {
|
|
if (SG(request_info).request_method
|
|
&& !strcmp(SG(request_info).request_method, "POST")) {
|
|
if (!SG(request_info).content_type) {
|
|
sapi_module.sapi_error(E_COMPILE_ERROR, "No content-type in POST request");
|
|
}
|
|
sapi_read_post_data(SLS_C);
|
|
}
|
|
SG(request_info).cookie_data = sapi_module.read_cookies(SLS_C);
|
|
}
|
|
}
|
|
|
|
|
|
SAPI_API void sapi_deactivate(SLS_D)
|
|
{
|
|
zend_llist_destroy(&SG(sapi_headers).headers);
|
|
if (SG(request_info).post_data) {
|
|
efree(SG(request_info).post_data);
|
|
}
|
|
}
|
|
|
|
|
|
/* This function expects a *duplicated* string, that was previously emalloc()'d.
|
|
* Pointers sent to this functions will be automatically freed by the framework.
|
|
*/
|
|
SAPI_API int sapi_add_header(char *header_line, uint header_line_len)
|
|
{
|
|
int retval;
|
|
sapi_header_struct sapi_header;
|
|
char *colon_offset;
|
|
SLS_FETCH();
|
|
|
|
if (SG(headers_sent)) {
|
|
sapi_module.sapi_error(E_WARNING, "Cannot add header information - headers already sent");
|
|
efree(header_line);
|
|
return FAILURE;
|
|
}
|
|
|
|
sapi_header.header = header_line;
|
|
sapi_header.header_len = header_line_len;
|
|
|
|
/* Check the header for a few cases that we have special support for in SAPI */
|
|
if (!memcmp(header_line, "HTTP/", 5)) {
|
|
SG(sapi_headers).http_status_line = header_line;
|
|
} else {
|
|
colon_offset = strchr(header_line, ':');
|
|
if (colon_offset) {
|
|
*colon_offset = 0;
|
|
if (!STRCASECMP(header_line, "Content-Type")) {
|
|
SG(sapi_headers).send_default_content_type = 0;
|
|
} else if (!STRCASECMP(header_line, "Location")) {
|
|
SG(sapi_headers).http_response_code = 302; /* redirect */
|
|
} else if (!STRCASECMP(header_line, "WWW-Authenticate")) { /* HTTP Authentication */
|
|
SG(sapi_headers).http_response_code = 401; /* authentication-required */
|
|
}
|
|
*colon_offset = ':';
|
|
}
|
|
}
|
|
|
|
if (sapi_module.header_handler) {
|
|
retval = sapi_module.header_handler(&sapi_header, &SG(sapi_headers) SLS_CC);
|
|
} else {
|
|
retval = SAPI_HEADER_ADD;
|
|
}
|
|
|
|
if (retval & SAPI_HEADER_DELETE_ALL) {
|
|
zend_llist_clean(&SG(sapi_headers).headers);
|
|
}
|
|
if (retval & SAPI_HEADER_ADD) {
|
|
zend_llist_add_element(&SG(sapi_headers).headers, (void *) &sapi_header);
|
|
}
|
|
return SUCCESS;
|
|
}
|
|
|
|
|
|
SAPI_API int sapi_send_headers()
|
|
{
|
|
int retval;
|
|
sapi_header_struct default_header = { SAPI_DEFAULT_CONTENT_TYPE, sizeof(SAPI_DEFAULT_CONTENT_TYPE)-1 };
|
|
SLS_FETCH();
|
|
|
|
if (SG(headers_sent)) {
|
|
return SUCCESS;
|
|
}
|
|
|
|
if (sapi_module.send_headers) {
|
|
retval = sapi_module.send_headers(&SG(sapi_headers) SLS_CC);
|
|
} else {
|
|
retval = SAPI_HEADER_DO_SEND;
|
|
}
|
|
|
|
switch (retval) {
|
|
case SAPI_HEADER_SENT_SUCCESSFULLY:
|
|
SG(headers_sent) = 1;
|
|
return SUCCESS;
|
|
break;
|
|
case SAPI_HEADER_DO_SEND:
|
|
if (SG(sapi_headers).http_status_line) {
|
|
sapi_header_struct http_status_line;
|
|
|
|
http_status_line.header = SG(sapi_headers).http_status_line;
|
|
http_status_line.header_len = strlen(SG(sapi_headers).http_status_line);
|
|
sapi_module.send_header(&http_status_line, SG(server_context));
|
|
efree(SG(sapi_headers).http_status_line);
|
|
}
|
|
if (SG(sapi_headers).send_default_content_type) {
|
|
sapi_module.send_header(&default_header, SG(server_context));
|
|
}
|
|
zend_llist_apply_with_argument(&SG(sapi_headers).headers, (void (*)(void *, void *)) sapi_module.send_header, SG(server_context));
|
|
sapi_module.send_header(NULL, SG(server_context));
|
|
SG(headers_sent) = 1;
|
|
return SUCCESS;
|
|
break;
|
|
case SAPI_HEADER_SEND_FAILED:
|
|
return FAILURE;
|
|
break;
|
|
}
|
|
return FAILURE;
|
|
}
|
|
|
|
|
|
SAPI_API int sapi_register_post_reader(sapi_post_content_type_reader *post_content_type_reader)
|
|
{
|
|
return zend_hash_add(&known_post_content_types, post_content_type_reader->content_type, post_content_type_reader->content_type_len+1, (void *) post_content_type_reader, sizeof(sapi_post_content_type_reader), NULL);
|
|
}
|
|
|
|
|
|
SAPI_API void sapi_unregister_post_reader(sapi_post_content_type_reader *post_content_type_reader)
|
|
{
|
|
zend_hash_del(&known_post_content_types, post_content_type_reader->content_type, post_content_type_reader->content_type_len+1);
|
|
}
|