php-src/sapi/apache2handler/php_functions.c at master · realFlowControl/php-src · GitHub

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+----------------------------------------------------------------------+

| This source file is subject to the Modified BSD License that is |

| bundled with this package in the file LICENSE, and is available |

| through the World Wide Web at <https://www.php.net/license/>. |

| |

| SPDX-License-Identifier: BSD-3-Clause |

+----------------------------------------------------------------------+

| Author: Sascha Schumann <sascha@schumann.cx> |

+----------------------------------------------------------------------+

#define ZEND_INCLUDE_FULL_WINDOWS_HEADERS

#include "php.h"

#ifdef strcasecmp

# undef strcasecmp

#endif

#ifdef strncasecmp

# undef strncasecmp

#endif

#include "zend_smart_str.h"

#include "ext/standard/info.h"

#include "ext/standard/head.h"

#include "php_ini.h"

#include "SAPI.h"

#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 "ap_mpm.h"

#ifndef PHP_WIN32

#include "unixd.h"

#endif

#include "php_apache.h"

#include "php_functions_arginfo.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);

}

/* {{{ 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_THROWS();

}

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_THROWS();

}

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);

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;

}

/* {{{ Fetch all HTTP request headers */

PHP_FUNCTION(apache_request_headers)

{

php_struct *ctx;

const apr_array_header_t *arr;

char *key, *val;

ZEND_PARSE_PARAMETERS_NONE();

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();

}

/* }}} */

/* {{{ Fetch all HTTP response headers */

PHP_FUNCTION(apache_response_headers)

{

php_struct *ctx;

const apr_array_header_t *arr;

char *key, *val;

ZEND_PARSE_PARAMETERS_NONE();

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();

}

/* }}} */

/* {{{ 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_THROWS();

}

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;

}

/* }}} */

/* {{{ 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;

bool walk_to_top = false;

request_rec *r;

if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss|b", &variable, &variable_len, &string_val, &string_val_len, &walk_to_top) == FAILURE) {

RETURN_THROWS();

}

ctx = SG(server_context);

r = ctx->r;

if (walk_to_top) {

while(r->prev) {

r = r->prev;

}

apr_table_set(r->subprocess_env, variable, string_val);

RETURN_TRUE;

}

/* }}} */

/* {{{ 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;

bool walk_to_top = 0;

char *env_val=NULL;

request_rec *r;

if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|b", &variable, &variable_len, &walk_to_top) == FAILURE) {

RETURN_THROWS();

}

ctx = SG(server_context);

r = ctx->r;

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 const char *php_apache_get_version(void)

{

return ap_get_server_banner();

}

/* {{{ Fetch Apache version */

PHP_FUNCTION(apache_get_version)

{

const char *apv = php_apache_get_version();

if (apv && *apv) {

RETURN_STRING(apv);

} else {

RETURN_FALSE;

}

/* }}} */

/* {{{ 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) {

const char *s = 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)

{

const 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;

#ifndef PHP_WIN32

AP_DECLARE_DATA extern unixd_config_rec ap_unixd_config;

#endif

for (n = 0; ap_loaded_modules[n]; ++n) {

const char *s = ap_loaded_modules[n]->name;

if (n > 0) {

smart_str_appendc(&tmp1, ' ');

}

if ((p = strchr(s, '.'))) {

smart_str_appendl(&tmp1, s, (p - s));

} else {

smart_str_appends(&tmp1, s);

}

if (!tmp1.s) {

smart_str_appendc(&tmp1, '/');

}

smart_str_0(&tmp1);

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_MAJOR);

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);

#ifndef PHP_WIN32

snprintf(tmp, sizeof(tmp), "%s(%d)/%d", ap_unixd_config.user_name, ap_unixd_config.user_id, ap_unixd_config.group_id);

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", ZSTR_VAL(tmp1.s));

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();

}

PHP_INI_BEGIN()

STD_PHP_INI_BOOLEAN("xbithack", "0", PHP_INI_ALL, OnUpdateBool, xbithack, php_apache2_info_struct, php_apache2_info)

STD_PHP_INI_BOOLEAN("engine", "1", PHP_INI_ALL, OnUpdateBool, engine, php_apache2_info_struct, php_apache2_info)

STD_PHP_INI_BOOLEAN("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",

ext_functions,

PHP_MINIT(apache),

PHP_MSHUTDOWN(apache),

NULL,

PHP_MINFO(apache),

PHP_VERSION,

STANDARD_MODULE_PROPERTIES

};

php-src/sapi/apache2handler/php_functions.c at master · realFlowControl/php-src · GitHub

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