php-src/sapi/apache2handler/php_functions.c
2015-01-15 23:27:30 +08:00

576 lines
15 KiB
C

/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2015 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. |
+----------------------------------------------------------------------+
| Author: Sascha Schumann <sascha@schumann.cx> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#define ZEND_INCLUDE_FULL_WINDOWS_HEADERS
#include "php.h"
#include "zend_smart_str.h"
#include "ext/standard/info.h"
#include "ext/standard/head.h"
#include "php_ini.h"
#include "SAPI.h"
#define CORE_PRIVATE
#include "apr_strings.h"
#include "apr_time.h"
#include "ap_config.h"
#include "util_filter.h"
#include "httpd.h"
#include "http_config.h"
#include "http_request.h"
#include "http_core.h"
#include "http_protocol.h"
#include "http_log.h"
#include "http_main.h"
#include "util_script.h"
#include "http_core.h"
#include "ap_mpm.h"
#if !defined(WIN32) && !defined(WINNT) && !defined(NETWARE)
#include "unixd.h"
#endif
#include "php_apache.h"
#ifdef ZTS
int php_apache2_info_id;
#else
php_apache2_info_struct php_apache2_info;
#endif
#define SECTION(name) PUTS("<h2>" name "</h2>\n")
static request_rec *php_apache_lookup_uri(char *filename)
{
php_struct *ctx = SG(server_context);
if (!filename || !ctx || !ctx->r) {
return NULL;
}
return ap_sub_req_lookup_uri(filename, ctx->r, ctx->r->output_filters);
}
/* {{{ proto bool virtual(string uri)
Perform an apache sub-request */
PHP_FUNCTION(virtual)
{
char *filename;
size_t filename_len;
request_rec *rr;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "p", &filename, &filename_len) == FAILURE) {
return;
}
if (!(rr = php_apache_lookup_uri(filename))) {
php_error_docref(NULL, E_WARNING, "Unable to include '%s' - URI lookup failed", filename);
RETURN_FALSE;
}
if (rr->status != HTTP_OK) {
php_error_docref(NULL, E_WARNING, "Unable to include '%s' - error finding URI", filename);
ap_destroy_sub_req(rr);
RETURN_FALSE;
}
/* Flush everything. */
php_output_end_all();
php_header();
/* Ensure that the ap_r* layer for the main request is flushed, to
* work around http://issues.apache.org/bugzilla/show_bug.cgi?id=17629 */
ap_rflush(rr->main);
if (ap_run_sub_req(rr)) {
php_error_docref(NULL, E_WARNING, "Unable to include '%s' - request execution failed", filename);
ap_destroy_sub_req(rr);
RETURN_FALSE;
}
ap_destroy_sub_req(rr);
RETURN_TRUE;
}
/* }}} */
#define ADD_LONG(name) \
add_property_long(return_value, #name, rr->name)
#define ADD_TIME(name) \
add_property_long(return_value, #name, apr_time_sec(rr->name));
#define ADD_STRING(name) \
if (rr->name) add_property_string(return_value, #name, (char *) rr->name)
PHP_FUNCTION(apache_lookup_uri)
{
request_rec *rr;
char *filename;
size_t filename_len;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "p", &filename, &filename_len) == FAILURE) {
return;
}
if (!(rr = php_apache_lookup_uri(filename))) {
php_error_docref(NULL, E_WARNING, "Unable to include '%s' - URI lookup failed", filename);
RETURN_FALSE;
}
if (rr->status == HTTP_OK) {
object_init(return_value);
ADD_LONG(status);
ADD_STRING(the_request);
ADD_STRING(status_line);
ADD_STRING(method);
ADD_TIME(mtime);
ADD_LONG(clength);
#if MODULE_MAGIC_NUMBER < 20020506
ADD_STRING(boundary);
#endif
ADD_STRING(range);
ADD_LONG(chunked);
ADD_STRING(content_type);
ADD_STRING(handler);
ADD_LONG(no_cache);
ADD_LONG(no_local_copy);
ADD_STRING(unparsed_uri);
ADD_STRING(uri);
ADD_STRING(filename);
ADD_STRING(path_info);
ADD_STRING(args);
ADD_LONG(allowed);
ADD_LONG(sent_bodyct);
ADD_LONG(bytes_sent);
ADD_LONG(mtime);
ADD_TIME(request_time);
ap_destroy_sub_req(rr);
return;
}
php_error_docref(NULL, E_WARNING, "Unable to include '%s' - error finding URI", filename);
ap_destroy_sub_req(rr);
RETURN_FALSE;
}
/* {{{ proto array getallheaders(void)
Fetch all HTTP request headers */
PHP_FUNCTION(apache_request_headers)
{
php_struct *ctx;
const apr_array_header_t *arr;
char *key, *val;
if (zend_parse_parameters_none() == FAILURE) {
return;
}
array_init(return_value);
ctx = SG(server_context);
arr = apr_table_elts(ctx->r->headers_in);
APR_ARRAY_FOREACH_OPEN(arr, key, val)
if (!val) val = "";
add_assoc_string(return_value, key, val);
APR_ARRAY_FOREACH_CLOSE()
}
/* }}} */
/* {{{ proto array apache_response_headers(void)
Fetch all HTTP response headers */
PHP_FUNCTION(apache_response_headers)
{
php_struct *ctx;
const apr_array_header_t *arr;
char *key, *val;
if (zend_parse_parameters_none() == FAILURE) {
return;
}
array_init(return_value);
ctx = SG(server_context);
arr = apr_table_elts(ctx->r->headers_out);
APR_ARRAY_FOREACH_OPEN(arr, key, val)
if (!val) val = "";
add_assoc_string(return_value, key, val);
APR_ARRAY_FOREACH_CLOSE()
}
/* }}} */
/* {{{ proto string apache_note(string note_name [, string note_value])
Get and set Apache request notes */
PHP_FUNCTION(apache_note)
{
php_struct *ctx;
char *note_name, *note_val = NULL;
size_t note_name_len, note_val_len;
char *old_note_val=NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|s", &note_name, &note_name_len, &note_val, &note_val_len) == FAILURE) {
return;
}
ctx = SG(server_context);
old_note_val = (char *) apr_table_get(ctx->r->notes, note_name);
if (note_val) {
apr_table_set(ctx->r->notes, note_name, note_val);
}
if (old_note_val) {
RETURN_STRING(old_note_val);
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto bool apache_setenv(string variable, string value [, bool walk_to_top])
Set an Apache subprocess_env variable */
/*
* XXX this doesn't look right. shouldn't it be the parent ?*/
PHP_FUNCTION(apache_setenv)
{
php_struct *ctx;
char *variable=NULL, *string_val=NULL;
size_t variable_len, string_val_len;
zend_bool walk_to_top = 0;
int arg_count = ZEND_NUM_ARGS();
request_rec *r;
if (zend_parse_parameters(arg_count, "ss|b", &variable, &variable_len, &string_val, &string_val_len, &walk_to_top) == FAILURE) {
return;
}
ctx = SG(server_context);
r = ctx->r;
if (arg_count == 3) {
if (walk_to_top) {
while(r->prev) {
r = r->prev;
}
}
}
apr_table_set(r->subprocess_env, variable, string_val);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool apache_getenv(string variable [, bool walk_to_top])
Get an Apache subprocess_env variable */
/*
* XXX: shouldn't this be the parent not the 'prev'
*/
PHP_FUNCTION(apache_getenv)
{
php_struct *ctx;
char *variable;
size_t variable_len;
zend_bool walk_to_top = 0;
int arg_count = ZEND_NUM_ARGS();
char *env_val=NULL;
request_rec *r;
if (zend_parse_parameters(arg_count, "s|b", &variable, &variable_len, &walk_to_top) == FAILURE) {
return;
}
ctx = SG(server_context);
r = ctx->r;
if (arg_count == 2) {
if (walk_to_top) {
while(r->prev) {
r = r->prev;
}
}
}
env_val = (char*) apr_table_get(r->subprocess_env, variable);
if (env_val != NULL) {
RETURN_STRING(env_val);
}
RETURN_FALSE;
}
/* }}} */
static char *php_apache_get_version()
{
#if MODULE_MAGIC_NUMBER_MAJOR >= 20060905
return (char *) ap_get_server_banner();
#else
return (char *) ap_get_server_version();
#endif
}
/* {{{ proto string apache_get_version(void)
Fetch Apache version */
PHP_FUNCTION(apache_get_version)
{
char *apv = php_apache_get_version();
if (apv && *apv) {
RETURN_STRING(apv);
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto array apache_get_modules(void)
Get a list of loaded Apache modules */
PHP_FUNCTION(apache_get_modules)
{
int n;
char *p;
array_init(return_value);
for (n = 0; ap_loaded_modules[n]; ++n) {
char *s = (char *) ap_loaded_modules[n]->name;
if ((p = strchr(s, '.'))) {
add_next_index_stringl(return_value, s, (p - s));
} else {
add_next_index_string(return_value, s);
}
}
}
/* }}} */
PHP_MINFO_FUNCTION(apache)
{
char *apv = php_apache_get_version();
smart_str tmp1 = {0};
char tmp[1024];
int n, max_requests;
char *p;
server_rec *serv = ((php_struct *) SG(server_context))->r->server;
#if !defined(WIN32) && !defined(WINNT) && !defined(NETWARE)
#if MODULE_MAGIC_NUMBER_MAJOR >= 20081201
AP_DECLARE_DATA extern unixd_config_rec ap_unixd_config;
#else
AP_DECLARE_DATA extern unixd_config_rec unixd_config;
#endif
#endif
for (n = 0; ap_loaded_modules[n]; ++n) {
char *s = (char *) ap_loaded_modules[n]->name;
if ((p = strchr(s, '.'))) {
smart_str_appendl(&tmp1, s, (p - s));
} else {
smart_str_appends(&tmp1, s);
}
smart_str_appendc(&tmp1, ' ');
}
if (tmp1.s) {
if (tmp1.s->len > 0) {
tmp1.s->val[tmp1.s->len - 1] = '\0';
} else {
tmp1.s->val[0] = '\0';
}
}
php_info_print_table_start();
if (apv && *apv) {
php_info_print_table_row(2, "Apache Version", apv);
}
snprintf(tmp, sizeof(tmp), "%d", MODULE_MAGIC_NUMBER);
php_info_print_table_row(2, "Apache API Version", tmp);
if (serv->server_admin && *(serv->server_admin)) {
php_info_print_table_row(2, "Server Administrator", serv->server_admin);
}
snprintf(tmp, sizeof(tmp), "%s:%u", serv->server_hostname, serv->port);
php_info_print_table_row(2, "Hostname:Port", tmp);
#if !defined(WIN32) && !defined(WINNT) && !defined(NETWARE)
#if MODULE_MAGIC_NUMBER_MAJOR >= 20081201
snprintf(tmp, sizeof(tmp), "%s(%d)/%d", ap_unixd_config.user_name, ap_unixd_config.user_id, ap_unixd_config.group_id);
#else
snprintf(tmp, sizeof(tmp), "%s(%d)/%d", unixd_config.user_name, unixd_config.user_id, unixd_config.group_id);
#endif
php_info_print_table_row(2, "User/Group", tmp);
#endif
ap_mpm_query(AP_MPMQ_MAX_REQUESTS_DAEMON, &max_requests);
snprintf(tmp, sizeof(tmp), "Per Child: %d - Keep Alive: %s - Max Per Connection: %d", max_requests, (serv->keep_alive ? "on":"off"), serv->keep_alive_max);
php_info_print_table_row(2, "Max Requests", tmp);
apr_snprintf(tmp, sizeof tmp,
"Connection: %" APR_TIME_T_FMT " - Keep-Alive: %" APR_TIME_T_FMT,
apr_time_sec(serv->timeout), apr_time_sec(serv->keep_alive_timeout));
php_info_print_table_row(2, "Timeouts", tmp);
php_info_print_table_row(2, "Virtual Server", (serv->is_virtual ? "Yes" : "No"));
php_info_print_table_row(2, "Server Root", ap_server_root);
php_info_print_table_row(2, "Loaded Modules", tmp1.s->val);
smart_str_free(&tmp1);
php_info_print_table_end();
DISPLAY_INI_ENTRIES();
{
const apr_array_header_t *arr = apr_table_elts(((php_struct *) SG(server_context))->r->subprocess_env);
char *key, *val;
SECTION("Apache Environment");
php_info_print_table_start();
php_info_print_table_header(2, "Variable", "Value");
APR_ARRAY_FOREACH_OPEN(arr, key, val)
if (!val) {
val = "";
}
php_info_print_table_row(2, key, val);
APR_ARRAY_FOREACH_CLOSE()
php_info_print_table_end();
SECTION("HTTP Headers Information");
php_info_print_table_start();
php_info_print_table_colspan_header(2, "HTTP Request Headers");
php_info_print_table_row(2, "HTTP Request", ((php_struct *) SG(server_context))->r->the_request);
arr = apr_table_elts(((php_struct *) SG(server_context))->r->headers_in);
APR_ARRAY_FOREACH_OPEN(arr, key, val)
if (!val) {
val = "";
}
php_info_print_table_row(2, key, val);
APR_ARRAY_FOREACH_CLOSE()
php_info_print_table_colspan_header(2, "HTTP Response Headers");
arr = apr_table_elts(((php_struct *) SG(server_context))->r->headers_out);
APR_ARRAY_FOREACH_OPEN(arr, key, val)
if (!val) {
val = "";
}
php_info_print_table_row(2, key, val);
APR_ARRAY_FOREACH_CLOSE()
php_info_print_table_end();
}
}
/* {{{ arginfo */
ZEND_BEGIN_ARG_INFO_EX(arginfo_apache2handler_lookup_uri, 0, 0, 1)
ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_apache2handler_virtual, 0, 0, 1)
ZEND_ARG_INFO(0, uri)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_apache2handler_response_headers, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_apache2handler_getallheaders, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_apache2handler_note, 0, 0, 1)
ZEND_ARG_INFO(0, note_name)
ZEND_ARG_INFO(0, note_value)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_apache2handler_setenv, 0, 0, 2)
ZEND_ARG_INFO(0, variable)
ZEND_ARG_INFO(0, value)
ZEND_ARG_INFO(0, walk_to_top)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_apache2handler_getenv, 0, 0, 1)
ZEND_ARG_INFO(0, variable)
ZEND_ARG_INFO(0, walk_to_top)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_apache2handler_get_version, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_apache2handler_get_modules, 0)
ZEND_END_ARG_INFO()
/* }}} */
static const zend_function_entry apache_functions[] = {
PHP_FE(apache_lookup_uri, arginfo_apache2handler_lookup_uri)
PHP_FE(virtual, arginfo_apache2handler_virtual)
PHP_FE(apache_request_headers, arginfo_apache2handler_getallheaders)
PHP_FE(apache_response_headers, arginfo_apache2handler_response_headers)
PHP_FE(apache_setenv, arginfo_apache2handler_setenv)
PHP_FE(apache_getenv, arginfo_apache2handler_getenv)
PHP_FE(apache_note, arginfo_apache2handler_note)
PHP_FE(apache_get_version, arginfo_apache2handler_get_version)
PHP_FE(apache_get_modules, arginfo_apache2handler_get_modules)
PHP_FALIAS(getallheaders, apache_request_headers, arginfo_apache2handler_getallheaders)
{NULL, NULL, NULL}
};
PHP_INI_BEGIN()
STD_PHP_INI_ENTRY("xbithack", "0", PHP_INI_ALL, OnUpdateBool, xbithack, php_apache2_info_struct, php_apache2_info)
STD_PHP_INI_ENTRY("engine", "1", PHP_INI_ALL, OnUpdateBool, engine, php_apache2_info_struct, php_apache2_info)
STD_PHP_INI_ENTRY("last_modified", "0", PHP_INI_ALL, OnUpdateBool, last_modified, php_apache2_info_struct, php_apache2_info)
PHP_INI_END()
static PHP_MINIT_FUNCTION(apache)
{
#ifdef ZTS
ts_allocate_id(&php_apache2_info_id, sizeof(php_apache2_info_struct), (ts_allocate_ctor) NULL, NULL);
#endif
REGISTER_INI_ENTRIES();
return SUCCESS;
}
static PHP_MSHUTDOWN_FUNCTION(apache)
{
UNREGISTER_INI_ENTRIES();
return SUCCESS;
}
zend_module_entry php_apache_module = {
STANDARD_MODULE_HEADER,
"apache2handler",
apache_functions,
PHP_MINIT(apache),
PHP_MSHUTDOWN(apache),
NULL,
NULL,
PHP_MINFO(apache),
NULL,
STANDARD_MODULE_PROPERTIES
};
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/