Patch no-http-status-code-overwrite-on-location-header for HTTP related Bug #51749
Patch version 2010-05-29 22:00 UTC
Return to Bug #51749 |
Download this patch
Patch Revisions:
Developer: theimp@iinet.net.au
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2010 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. |
+----------------------------------------------------------------------+
| Original design: Shane Caraveo <shane@caraveo.com> |
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id: SAPI.c 293036 2010-01-03 09:23:27Z sebastian $ */
#include <ctype.h>
#include <sys/stat.h>
#include "php.h"
#include "SAPI.h"
#include "php_variables.h"
#include "php_ini.h"
#include "ext/standard/php_string.h"
#include "ext/standard/pageinfo.h"
#if (HAVE_PCRE || HAVE_BUNDLED_PCRE) && !defined(COMPILE_DL_PCRE)
#include "ext/pcre/php_pcre.h"
#endif
#ifdef ZTS
#include "TSRM.h"
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include "rfc1867.h"
#ifdef PHP_WIN32
#define STRCASECMP stricmp
#else
#define STRCASECMP strcasecmp
#endif
#include "php_content_types.h"
#ifdef ZTS
SAPI_API int sapi_globals_id;
#else
sapi_globals_struct sapi_globals;
#endif
static void sapi_globals_ctor(sapi_globals_struct *sapi_globals TSRMLS_DC)
{
memset(sapi_globals, 0, sizeof(*sapi_globals));
zend_hash_init_ex(&sapi_globals->known_post_content_types, 5, NULL, NULL, 1, 0);
php_setup_sapi_content_types(TSRMLS_C);
}
static void sapi_globals_dtor(sapi_globals_struct *sapi_globals TSRMLS_DC)
{
zend_hash_destroy(&sapi_globals->known_post_content_types);
}
/* True globals (no need for thread safety) */
SAPI_API sapi_module_struct sapi_module;
SAPI_API void sapi_startup(sapi_module_struct *sf)
{
sf->ini_entries = NULL;
sapi_module = *sf;
#ifdef ZTS
ts_allocate_id(&sapi_globals_id, sizeof(sapi_globals_struct), (ts_allocate_ctor) sapi_globals_ctor, (ts_allocate_dtor) sapi_globals_dtor);
#else
sapi_globals_ctor(&sapi_globals);
#endif
virtual_cwd_startup(); /* Could use shutdown to free the main cwd but it would just slow it down for CGI */
#ifdef PHP_WIN32
tsrm_win32_startup();
#endif
reentrancy_startup();
}
SAPI_API void sapi_shutdown(void)
{
#ifdef ZTS
ts_free_id(sapi_globals_id);
#else
sapi_globals_dtor(&sapi_globals);
#endif
reentrancy_shutdown();
virtual_cwd_shutdown();
#ifdef PHP_WIN32
tsrm_win32_shutdown();
#endif
}
SAPI_API void sapi_free_header(sapi_header_struct *sapi_header)
{
efree(sapi_header->header);
}
SAPI_API void sapi_handle_post(void *arg TSRMLS_DC)
{
if (SG(request_info).post_entry && SG(request_info).content_type_dup) {
SG(request_info).post_entry->post_handler(SG(request_info).content_type_dup, arg TSRMLS_CC);
if (SG(request_info).post_data) {
efree(SG(request_info).post_data);
SG(request_info).post_data = NULL;
}
efree(SG(request_info).content_type_dup);
SG(request_info).content_type_dup = NULL;
}
}
static void sapi_read_post_data(TSRMLS_D)
{
sapi_post_entry *post_entry;
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;
void (*post_reader_func)(TSRMLS_D) = NULL;
/* 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;
}
}
/* now try to find an appropriate POST content handler */
if (zend_hash_find(&SG(known_post_content_types), content_type,
content_type_length+1, (void **) &post_entry) == SUCCESS) {
/* found one, register it for use */
SG(request_info).post_entry = post_entry;
post_reader_func = post_entry->post_reader;
} else {
/* fallback */
SG(request_info).post_entry = NULL;
if (!sapi_module.default_post_reader) {
/* no default reader ? */
SG(request_info).content_type_dup = NULL;
sapi_module.sapi_error(E_WARNING, "Unsupported content type: '%s'", content_type);
return;
}
}
if (oldchar) {
*(p-1) = oldchar;
}
SG(request_info).content_type_dup = content_type;
if(post_reader_func) {
post_reader_func(TSRMLS_C);
}
if(sapi_module.default_post_reader) {
sapi_module.default_post_reader(TSRMLS_C);
}
}
SAPI_API SAPI_POST_READER_FUNC(sapi_read_standard_form_data)
{
int read_bytes;
int allocated_bytes=SAPI_POST_BLOCK_SIZE+1;
if (SG(request_info).content_length > SG(post_max_size)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "POST Content-Length of %ld bytes exceeds the limit of %ld bytes",
SG(request_info).content_length, SG(post_max_size));
return;
}
SG(request_info).post_data = emalloc(allocated_bytes);
for (;;) {
read_bytes = sapi_module.read_post(SG(request_info).post_data+SG(read_post_bytes), SAPI_POST_BLOCK_SIZE TSRMLS_CC);
if (read_bytes<=0) {
break;
}
SG(read_post_bytes) += read_bytes;
if (SG(read_post_bytes) > SG(post_max_size)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Actual POST length does not match Content-Length, and exceeds %ld bytes", SG(post_max_size));
break;
}
if (read_bytes < SAPI_POST_BLOCK_SIZE) {
break;
}
if (SG(read_post_bytes)+SAPI_POST_BLOCK_SIZE >= allocated_bytes) {
allocated_bytes = SG(read_post_bytes)+SAPI_POST_BLOCK_SIZE+1;
SG(request_info).post_data = erealloc(SG(request_info).post_data, allocated_bytes);
}
}
SG(request_info).post_data[SG(read_post_bytes)] = 0; /* terminating NULL */
SG(request_info).post_data_length = SG(read_post_bytes);
}
SAPI_API char *sapi_get_default_content_type(TSRMLS_D)
{
char *mimetype, *charset, *content_type;
mimetype = SG(default_mimetype) ? SG(default_mimetype) : SAPI_DEFAULT_MIMETYPE;
charset = SG(default_charset) ? SG(default_charset) : SAPI_DEFAULT_CHARSET;
if (strncasecmp(mimetype, "text/", 5) == 0 && *charset) {
int len = strlen(mimetype) + sizeof("; charset=") + strlen(charset); /* sizeof() includes \0 */
content_type = emalloc(len);
snprintf(content_type, len, "%s; charset=%s", mimetype, charset);
} else {
content_type = estrdup(mimetype);
}
return content_type;
}
SAPI_API void sapi_get_default_content_type_header(sapi_header_struct *default_header TSRMLS_DC)
{
char *default_content_type = sapi_get_default_content_type(TSRMLS_C);
int default_content_type_len = strlen(default_content_type);
default_header->header_len = (sizeof("Content-type: ")-1) + default_content_type_len;
default_header->header = emalloc(default_header->header_len+1);
memcpy(default_header->header, "Content-type: ", sizeof("Content-type: "));
memcpy(default_header->header+sizeof("Content-type: ")-1, default_content_type, default_content_type_len);
default_header->header[default_header->header_len] = 0;
efree(default_content_type);
}
/*
* Add charset on content-type header if the MIME type starts with
* "text/", the default_charset directive is not empty and
* there is not already a charset option in there.
*
* If "mimetype" is non-NULL, it should point to a pointer allocated
* with emalloc(). If a charset is added, the string will be
* re-allocated and the new length is returned. If mimetype is
* unchanged, 0 is returned.
*
*/
SAPI_API size_t sapi_apply_default_charset(char **mimetype, size_t len TSRMLS_DC)
{
char *charset, *newtype;
size_t newlen;
charset = SG(default_charset) ? SG(default_charset) : SAPI_DEFAULT_CHARSET;
if (*mimetype != NULL) {
if (*charset && strncmp(*mimetype, "text/", 5) == 0 && strstr(*mimetype, "charset=") == NULL) {
newlen = len + (sizeof(";charset=")-1) + strlen(charset);
newtype = emalloc(newlen + 1);
PHP_STRLCPY(newtype, *mimetype, newlen + 1, len);
strlcat(newtype, ";charset=", newlen + 1);
strlcat(newtype, charset, newlen + 1);
efree(*mimetype);
*mimetype = newtype;
return newlen;
}
}
return 0;
}
SAPI_API void sapi_activate_headers_only(TSRMLS_D)
{
if (SG(request_info).headers_read == 1)
return;
SG(request_info).headers_read = 1;
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(sapi_headers).mimetype = NULL;
SG(read_post_bytes) = 0;
SG(request_info).post_data = NULL;
SG(request_info).raw_post_data = NULL;
SG(request_info).current_user = NULL;
SG(request_info).current_user_length = 0;
SG(request_info).no_headers = 0;
SG(request_info).post_entry = NULL;
SG(global_request_time) = 0;
/*
* It's possible to override this general case in the activate() callback,
* if necessary.
*/
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)) {
SG(request_info).cookie_data = sapi_module.read_cookies(TSRMLS_C);
if (sapi_module.activate) {
sapi_module.activate(TSRMLS_C);
}
}
if (sapi_module.input_filter_init ) {
sapi_module.input_filter_init(TSRMLS_C);
}
}
/*
* Called from php_request_startup() for every request.
*/
SAPI_API void sapi_activate(TSRMLS_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(sapi_headers).mimetype = NULL;
SG(headers_sent) = 0;
SG(read_post_bytes) = 0;
SG(request_info).post_data = NULL;
SG(request_info).raw_post_data = NULL;
SG(request_info).current_user = NULL;
SG(request_info).current_user_length = 0;
SG(request_info).no_headers = 0;
SG(request_info).post_entry = NULL;
SG(request_info).proto_num = 1000; /* Default to HTTP 1.0 */
SG(global_request_time) = 0;
/* It's possible to override this general case in the activate() callback, if
* necessary.
*/
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;
}
SG(rfc1867_uploaded_files) = NULL;
/* handle request mehtod */
if (SG(server_context)) {
if ( SG(request_info).request_method) {
if(!strcmp(SG(request_info).request_method, "POST")
&& (SG(request_info).content_type)) {
/* HTTP POST -> may contain form data to be read into variables
depending on content type given
*/
sapi_read_post_data(TSRMLS_C);
} else {
/* any other method with content payload will fill
$HTTP_RAW_POST_DATA if enabled by always_populate_raw_post_data
it is up to the webserver to decide whether to allow a method or not
*/
SG(request_info).content_type_dup = NULL;
if(sapi_module.default_post_reader) {
sapi_module.default_post_reader(TSRMLS_C);
}
}
} else {
SG(request_info).content_type_dup = NULL;
}
/* Cookies */
SG(request_info).cookie_data = sapi_module.read_cookies(TSRMLS_C);
if (sapi_module.activate) {
sapi_module.activate(TSRMLS_C);
}
}
if (sapi_module.input_filter_init ) {
sapi_module.input_filter_init(TSRMLS_C);
}
}
static void sapi_send_headers_free(TSRMLS_D)
{
if (SG(sapi_headers).http_status_line) {
efree(SG(sapi_headers).http_status_line);
SG(sapi_headers).http_status_line = NULL;
}
}
SAPI_API void sapi_deactivate(TSRMLS_D)
{
zend_llist_destroy(&SG(sapi_headers).headers);
if (SG(request_info).post_data) {
efree(SG(request_info).post_data);
} else if (SG(server_context)) {
if(sapi_module.read_post) {
/* make sure we've consumed all request input data */
char dummy[SAPI_POST_BLOCK_SIZE];
int read_bytes;
while((read_bytes = sapi_module.read_post(dummy, sizeof(dummy)-1 TSRMLS_CC)) > 0) {
SG(read_post_bytes) += read_bytes;
}
}
}
if (SG(request_info).raw_post_data) {
efree(SG(request_info).raw_post_data);
}
if (SG(request_info).auth_user) {
efree(SG(request_info).auth_user);
}
if (SG(request_info).auth_password) {
efree(SG(request_info).auth_password);
}
if (SG(request_info).auth_digest) {
efree(SG(request_info).auth_digest);
}
if (SG(request_info).content_type_dup) {
efree(SG(request_info).content_type_dup);
}
if (SG(request_info).current_user) {
efree(SG(request_info).current_user);
}
if (sapi_module.deactivate) {
sapi_module.deactivate(TSRMLS_C);
}
if (SG(rfc1867_uploaded_files)) {
destroy_uploaded_files_hash(TSRMLS_C);
}
if (SG(sapi_headers).mimetype) {
efree(SG(sapi_headers).mimetype);
SG(sapi_headers).mimetype = NULL;
}
sapi_send_headers_free(TSRMLS_C);
SG(sapi_started) = 0;
SG(headers_sent) = 0;
SG(request_info).headers_read = 0;
SG(global_request_time) = 0;
}
SAPI_API void sapi_initialize_empty_request(TSRMLS_D)
{
SG(server_context) = NULL;
SG(request_info).request_method = NULL;
SG(request_info).auth_digest = SG(request_info).auth_user = SG(request_info).auth_password = NULL;
SG(request_info).content_type_dup = NULL;
}
static int sapi_extract_response_code(const char *header_line)
{
int code = 200;
const char *ptr;
for (ptr = header_line; *ptr; ptr++) {
if (*ptr == ' ' && *(ptr + 1) != ' ') {
code = atoi(ptr + 1);
break;
}
}
return code;
}
static void sapi_update_response_code(int ncode TSRMLS_DC)
{
/* if the status code did not change, we do not want
to change the status line, and no need to change the code */
if (SG(sapi_headers).http_response_code == ncode) {
return;
}
if (SG(sapi_headers).http_status_line) {
efree(SG(sapi_headers).http_status_line);
SG(sapi_headers).http_status_line = NULL;
}
SG(sapi_headers).http_response_code = ncode;
}
static int sapi_find_matching_header(void *element1, void *element2)
{
int len = strlen((char*)element2);
return strncasecmp(((sapi_header_struct*)element1)->header, (char*)element2, len) == 0 && ((sapi_header_struct*)element1)->header[len] == ':';
}
SAPI_API int sapi_add_header_ex(char *header_line, uint header_line_len, zend_bool duplicate, zend_bool replace TSRMLS_DC)
{
sapi_header_line ctr = {0};
int r;
ctr.line = header_line;
ctr.line_len = header_line_len;
r = sapi_header_op(replace ? SAPI_HEADER_REPLACE : SAPI_HEADER_ADD,
&ctr TSRMLS_CC);
if (!duplicate)
efree(header_line);
return r;
}
SAPI_API int sapi_header_op(sapi_header_op_enum op, void *arg TSRMLS_DC)
{
int retval;
sapi_header_struct sapi_header;
char *colon_offset;
long myuid = 0L;
char *header_line;
uint header_line_len;
int http_response_code;
if (SG(headers_sent) && !SG(request_info).no_headers) {
char *output_start_filename = php_get_output_start_filename(TSRMLS_C);
int output_start_lineno = php_get_output_start_lineno(TSRMLS_C);
if (output_start_filename) {
sapi_module.sapi_error(E_WARNING, "Cannot modify header information - headers already sent by (output started at %s:%d)",
output_start_filename, output_start_lineno);
} else {
sapi_module.sapi_error(E_WARNING, "Cannot modify header information - headers already sent");
}
return FAILURE;
}
switch (op) {
case SAPI_HEADER_SET_STATUS:
sapi_update_response_code((int)(zend_intptr_t) arg TSRMLS_CC);
return SUCCESS;
case SAPI_HEADER_ADD:
case SAPI_HEADER_REPLACE:
case SAPI_HEADER_DELETE: {
sapi_header_line *p = arg;
if (!p->line || !p->line_len) {
return FAILURE;
}
header_line = p->line;
header_line_len = p->line_len;
http_response_code = p->response_code;
break;
}
case SAPI_HEADER_DELETE_ALL:
if (sapi_module.header_handler) {
sapi_module.header_handler(&sapi_header, op, &SG(sapi_headers) TSRMLS_CC);
}
zend_llist_clean(&SG(sapi_headers).headers);
return SUCCESS;
default:
return FAILURE;
}
header_line = estrndup(header_line, header_line_len);
/* cut of trailing spaces, linefeeds and carriage-returns */
while(header_line_len && isspace(header_line[header_line_len-1]))
header_line[--header_line_len]='\0';
if (op == SAPI_HEADER_DELETE) {
if (strchr(header_line, ':')) {
efree(header_line);
sapi_module.sapi_error(E_WARNING, "Header to delete may not contain colon.");
return FAILURE;
}
} else {
/* new line safety check */
char *s = header_line, *e = header_line + header_line_len, *p;
while (s < e && (p = memchr(s, '\n', (e - s)))) {
if (*(p + 1) == ' ' || *(p + 1) == '\t') {
s = p + 1;
continue;
}
efree(header_line);
sapi_module.sapi_error(E_WARNING, "Header may not contain more than a single header, new line detected.");
return FAILURE;
}
}
sapi_header.header = header_line;
sapi_header.header_len = header_line_len;
if (op == SAPI_HEADER_DELETE) {
if (sapi_module.header_handler) {
sapi_module.header_handler(&sapi_header, op, &SG(sapi_headers) TSRMLS_CC);
}
zend_llist_del_element(&SG(sapi_headers).headers, sapi_header.header, (int(*)(void*, void*))sapi_find_matching_header);
sapi_free_header(&sapi_header);
return SUCCESS;
}
/* Check the header for a few cases that we have special support for in SAPI */
if (header_line_len>=5
&& !strncasecmp(header_line, "HTTP/", 5)) {
/* filter out the response code */
sapi_update_response_code(sapi_extract_response_code(header_line) TSRMLS_CC);
/* sapi_update_response_code doesn't free the status line if the code didn't change */
if (SG(sapi_headers).http_status_line) {
efree(SG(sapi_headers).http_status_line);
}
SG(sapi_headers).http_status_line = header_line;
return SUCCESS;
} else {
colon_offset = strchr(header_line, ':');
if (colon_offset) {
*colon_offset = 0;
if (!STRCASECMP(header_line, "Content-Type")) {
char *ptr = colon_offset+1, *mimetype = NULL, *newheader;
size_t len = header_line_len - (ptr - header_line), newlen;
while (*ptr == ' ') {
ptr++;
len--;
}
/* Disable possible output compression for images */
if (!strncmp(ptr, "image/", sizeof("image/")-1)) {
zend_alter_ini_entry("zlib.output_compression", sizeof("zlib.output_compression"), "0", sizeof("0") - 1, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
}
mimetype = estrdup(ptr);
newlen = sapi_apply_default_charset(&mimetype, len TSRMLS_CC);
if (!SG(sapi_headers).mimetype){
SG(sapi_headers).mimetype = estrdup(mimetype);
}
if (newlen != 0) {
newlen += sizeof("Content-type: ");
newheader = emalloc(newlen);
PHP_STRLCPY(newheader, "Content-type: ", newlen, sizeof("Content-type: ")-1);
strlcat(newheader, mimetype, newlen);
sapi_header.header = newheader;
sapi_header.header_len = newlen - 1;
efree(header_line);
}
efree(mimetype);
SG(sapi_headers).send_default_content_type = 0;
} else if (!STRCASECMP(header_line, "Location")) {
if (SG(sapi_headers).http_response_code == 200 &&
!http_response_code) { /* user specified redirect code */
/* Return a Found Redirect if one is not already specified */
if (SG(request_info).proto_num > 1000 &&
SG(request_info).request_method &&
strcmp(SG(request_info).request_method, "HEAD") &&
strcmp(SG(request_info).request_method, "GET")) {
sapi_update_response_code(303 TSRMLS_CC);
} else {
sapi_update_response_code(302 TSRMLS_CC);
}
}
} else if (!STRCASECMP(header_line, "WWW-Authenticate")) { /* HTTP Authentication */
if (SG(sapi_headers).http_response_code == 200 &&
!http_response_code) { /* user specified redirect code */
sapi_update_response_code(401 TSRMLS_CC); /* authentication-required */
}
if(PG(safe_mode))
#if (HAVE_PCRE || HAVE_BUNDLED_PCRE) && !defined(COMPILE_DL_PCRE)
{
zval *repl_temp;
char *ptr = colon_offset+1, *result, *newheader;
int ptr_len=0, result_len = 0, newlen = 0;
/* skip white space */
while (isspace(*ptr)) {
ptr++;
}
myuid = php_getuid();
ptr_len = strlen(ptr);
MAKE_STD_ZVAL(repl_temp);
Z_TYPE_P(repl_temp) = IS_STRING;
Z_STRLEN_P(repl_temp) = spprintf(&Z_STRVAL_P(repl_temp), 0, "realm=\"\\1-%ld\"", myuid);
/* Modify quoted realm value */
result = php_pcre_replace("/realm=\"(.*?)\"/i", 16,
ptr, ptr_len,
repl_temp,
0, &result_len, -1, NULL TSRMLS_CC);
if(result_len==ptr_len) {
efree(result);
efree(Z_STRVAL_P(repl_temp));
Z_STRLEN_P(repl_temp) = spprintf(&Z_STRVAL_P(repl_temp), 0, "realm=\\1-%ld\\2", myuid);
/* modify unquoted realm value */
result = php_pcre_replace("/realm=([^\\s]+)(.*)/i", 21,
ptr, ptr_len,
repl_temp,
0, &result_len, -1, NULL TSRMLS_CC);
if(result_len==ptr_len) {
char *lower_temp = estrdup(ptr);
char conv_temp[32];
int conv_len;
php_strtolower(lower_temp,strlen(lower_temp));
/* If there is no realm string at all, append one */
if(!strstr(lower_temp,"realm")) {
efree(result);
conv_len = slprintf(conv_temp, sizeof(conv_temp), " realm=\"%ld\"",myuid);
result = emalloc(ptr_len+conv_len+1);
result_len = ptr_len+conv_len;
memcpy(result, ptr, ptr_len);
memcpy(result+ptr_len, conv_temp, conv_len);
*(result+ptr_len+conv_len) = '\0';
}
efree(lower_temp);
}
}
newlen = spprintf(&newheader, 0, "WWW-Authenticate: %s", result);
efree(header_line);
sapi_header.header = newheader;
sapi_header.header_len = newlen;
efree(result);
efree(Z_STRVAL_P(repl_temp));
efree(repl_temp);
}
#else
{
myuid = php_getuid();
efree(header_line);
sapi_header.header_len = spprintf(&sapi_header.header, 0, "WWW-Authenticate: Basic realm=\"%ld\"", myuid);
}
#endif
}
if (sapi_header.header==header_line) {
*colon_offset = ':';
}
}
}
if (http_response_code) {
sapi_update_response_code(http_response_code TSRMLS_CC);
}
if (sapi_module.header_handler) {
retval = sapi_module.header_handler(&sapi_header, op, &SG(sapi_headers) TSRMLS_CC);
} else {
retval = SAPI_HEADER_ADD;
}
if (retval & SAPI_HEADER_ADD) {
/* in replace mode first remove the header if it already exists in the headers llist */
if (op == SAPI_HEADER_REPLACE) {
colon_offset = strchr(sapi_header.header, ':');
if (colon_offset) {
char sav;
sav = *colon_offset;
*colon_offset = 0;
zend_llist_del_element(&SG(sapi_headers).headers, sapi_header.header, (int(*)(void*, void*))sapi_find_matching_header);
*colon_offset = sav;
}
}
zend_llist_add_element(&SG(sapi_headers).headers, (void *) &sapi_header);
} else {
sapi_free_header(&sapi_header);
}
return SUCCESS;
}
SAPI_API int sapi_send_headers(TSRMLS_D)
{
int retval;
int ret = FAILURE;
if (SG(headers_sent) || SG(request_info).no_headers) {
return SUCCESS;
}
/* Success-oriented. We set headers_sent to 1 here to avoid an infinite loop
* in case of an error situation.
*/
if (SG(sapi_headers).send_default_content_type && sapi_module.send_headers) {
sapi_header_struct default_header;
sapi_get_default_content_type_header(&default_header TSRMLS_CC);
sapi_add_header_ex(default_header.header, default_header.header_len, 0, 0 TSRMLS_CC);
}
SG(headers_sent) = 1;
if (sapi_module.send_headers) {
retval = sapi_module.send_headers(&SG(sapi_headers) TSRMLS_CC);
} else {
retval = SAPI_HEADER_DO_SEND;
}
switch (retval) {
case SAPI_HEADER_SENT_SUCCESSFULLY:
ret = SUCCESS;
break;
case SAPI_HEADER_DO_SEND: {
sapi_header_struct http_status_line;
char buf[255];
if (SG(sapi_headers).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);
} else {
http_status_line.header = buf;
http_status_line.header_len = slprintf(buf, sizeof(buf), "HTTP/1.0 %d X", SG(sapi_headers).http_response_code);
}
sapi_module.send_header(&http_status_line, SG(server_context) TSRMLS_CC);
}
zend_llist_apply_with_argument(&SG(sapi_headers).headers, (llist_apply_with_arg_func_t) sapi_module.send_header, SG(server_context) TSRMLS_CC);
if(SG(sapi_headers).send_default_content_type) {
sapi_header_struct default_header;
sapi_get_default_content_type_header(&default_header TSRMLS_CC);
sapi_module.send_header(&default_header, SG(server_context) TSRMLS_CC);
sapi_free_header(&default_header);
}
sapi_module.send_header(NULL, SG(server_context) TSRMLS_CC);
ret = SUCCESS;
break;
case SAPI_HEADER_SEND_FAILED:
SG(headers_sent) = 0;
ret = FAILURE;
break;
}
sapi_send_headers_free(TSRMLS_C);
return ret;
}
SAPI_API int sapi_register_post_entries(sapi_post_entry *post_entries TSRMLS_DC)
{
sapi_post_entry *p=post_entries;
while (p->content_type) {
if (sapi_register_post_entry(p TSRMLS_CC) == FAILURE) {
return FAILURE;
}
p++;
}
return SUCCESS;
}
SAPI_API int sapi_register_post_entry(sapi_post_entry *post_entry TSRMLS_DC)
{
if (SG(sapi_started) && EG(in_execution)) {
return FAILURE;
}
return zend_hash_add(&SG(known_post_content_types),
post_entry->content_type, post_entry->content_type_len+1,
(void *) post_entry, sizeof(sapi_post_entry), NULL);
}
SAPI_API void sapi_unregister_post_entry(sapi_post_entry *post_entry TSRMLS_DC)
{
if (SG(sapi_started) && EG(in_execution)) {
return;
}
zend_hash_del(&SG(known_post_content_types), post_entry->content_type,
post_entry->content_type_len+1);
}
SAPI_API int sapi_register_default_post_reader(void (*default_post_reader)(TSRMLS_D))
{
TSRMLS_FETCH();
if (SG(sapi_started) && EG(in_execution)) {
return FAILURE;
}
sapi_module.default_post_reader = default_post_reader;
return SUCCESS;
}
SAPI_API int sapi_register_treat_data(void (*treat_data)(int arg, char *str, zval *destArray TSRMLS_DC))
{
TSRMLS_FETCH();
if (SG(sapi_started) && EG(in_execution)) {
return FAILURE;
}
sapi_module.treat_data = treat_data;
return SUCCESS;
}
SAPI_API int sapi_register_input_filter(unsigned int (*input_filter)(int arg, char *var, char **val, unsigned int val_len, unsigned int *new_val_len TSRMLS_DC), unsigned int (*input_filter_init)(TSRMLS_D))
{
TSRMLS_FETCH();
if (SG(sapi_started) && EG(in_execution)) {
return FAILURE;
}
sapi_module.input_filter = input_filter;
sapi_module.input_filter_init = input_filter_init;
return SUCCESS;
}
SAPI_API int sapi_flush(TSRMLS_D)
{
if (sapi_module.flush) {
sapi_module.flush(SG(server_context));
return SUCCESS;
} else {
return FAILURE;
}
}
SAPI_API struct stat *sapi_get_stat(TSRMLS_D)
{
if (sapi_module.get_stat) {
return sapi_module.get_stat(TSRMLS_C);
} else {
if (!SG(request_info).path_translated || (VCWD_STAT(SG(request_info).path_translated, &SG(global_stat)) == -1)) {
return NULL;
}
return &SG(global_stat);
}
}
SAPI_API char *sapi_getenv(char *name, size_t name_len TSRMLS_DC)
{
if (sapi_module.getenv) {
char *value, *tmp = sapi_module.getenv(name, name_len TSRMLS_CC);
if (tmp) {
value = estrdup(tmp);
} else {
return NULL;
}
sapi_module.input_filter(PARSE_ENV, name, &value, strlen(value), NULL TSRMLS_CC);
return value;
}
return NULL;
}
SAPI_API int sapi_get_fd(int *fd TSRMLS_DC)
{
if (sapi_module.get_fd) {
return sapi_module.get_fd(fd TSRMLS_CC);
} else {
return FAILURE;
}
}
SAPI_API int sapi_force_http_10(TSRMLS_D)
{
if (sapi_module.force_http_10) {
return sapi_module.force_http_10(TSRMLS_C);
} else {
return FAILURE;
}
}
SAPI_API int sapi_get_target_uid(uid_t *obj TSRMLS_DC)
{
if (sapi_module.get_target_uid) {
return sapi_module.get_target_uid(obj TSRMLS_CC);
} else {
return FAILURE;
}
}
SAPI_API int sapi_get_target_gid(gid_t *obj TSRMLS_DC)
{
if (sapi_module.get_target_gid) {
return sapi_module.get_target_gid(obj TSRMLS_CC);
} else {
return FAILURE;
}
}
SAPI_API time_t sapi_get_request_time(TSRMLS_D)
{
if(SG(global_request_time)) return SG(global_request_time);
if (sapi_module.get_request_time && SG(server_context)) {
SG(global_request_time) = sapi_module.get_request_time(TSRMLS_C);
} else {
SG(global_request_time) = time(0);
}
return SG(global_request_time);
}
SAPI_API void sapi_terminate_process(TSRMLS_D) {
if (sapi_module.terminate_process) {
sapi_module.terminate_process(TSRMLS_C);
}
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/
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