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b441b275b3
php-src/sapi/cgi/cgi_main.c
Dmitry Stogov b441b275b3 Fixed bug #42699 (PHP_SELF duplicates path)
2007-09-24 11:40:05 +00:00

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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2007 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. |
+----------------------------------------------------------------------+
| Authors: Rasmus Lerdorf <rasmus@lerdorf.on.ca> |
| Stig Bakken <ssb@php.net> |
| Zeev Suraski <zeev@zend.com> |
| FastCGI: Ben Mansell <php@slimyhorror.com> |
| Shane Caraveo <shane@caraveo.com> |
| Dmitry Stogov <dmitry@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "php.h"
#include "php_globals.h"
#include "php_variables.h"
#include "zend_modules.h"
#include "SAPI.h"
#include <stdio.h>
#include "php.h"
#ifdef PHP_WIN32
#include "win32/time.h"
#include "win32/signal.h"
#include <process.h>
#endif
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_SIGNAL_H
#include <signal.h>
#endif
#if HAVE_SETLOCALE
#include <locale.h>
#endif
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#if HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#include "zend.h"
#include "zend_extensions.h"
#include "php_ini.h"
#include "php_globals.h"
#include "php_main.h"
#include "fopen_wrappers.h"
#include "ext/standard/php_standard.h"
#ifdef PHP_WIN32
#include <io.h>
#include <fcntl.h>
#include "win32/php_registry.h"
#endif
#ifdef __riscos__
#include <unixlib/local.h>
int __riscosify_control = __RISCOSIFY_STRICT_UNIX_SPECS;
#endif
#include "zend_compile.h"
#include "zend_execute.h"
#include "zend_highlight.h"
#include "zend_indent.h"
#include "php_getopt.h"
#if PHP_FASTCGI
#include "fastcgi.h"
#ifndef PHP_WIN32
/* XXX this will need to change later when threaded fastcgi is
implemented. shane */
struct sigaction act, old_term, old_quit, old_int;
#endif
static void (*php_php_import_environment_variables)(zval *array_ptr TSRMLS_DC);
#ifndef PHP_WIN32
/* these globals used for forking children on unix systems */
/**
* Number of child processes that will get created to service requests
*/
static int children = 0;
/**
* Set to non-zero if we are the parent process
*/
static int parent = 1;
/**
* Process group
*/
static pid_t pgroup;
#endif
#endif
#define PHP_MODE_STANDARD 1
#define PHP_MODE_HIGHLIGHT 2
#define PHP_MODE_INDENT 3
#define PHP_MODE_LINT 4
#define PHP_MODE_STRIP 5
static char *php_optarg = NULL;
static int php_optind = 1;
static zend_module_entry cgi_module_entry;
static const opt_struct OPTIONS[] = {
{'a', 0, "interactive"},
{'b', 1, "bindpath"},
{'C', 0, "no-chdir"},
{'c', 1, "php-ini"},
{'d', 1, "define"},
{'e', 0, "profile-info"},
{'f', 1, "file"},
{'h', 0, "help"},
{'i', 0, "info"},
{'l', 0, "syntax-check"},
{'m', 0, "modules"},
{'n', 0, "no-php-ini"},
{'q', 0, "no-header"},
{'s', 0, "syntax-highlight"},
{'s', 0, "syntax-highlighting"},
{'w', 0, "strip"},
{'?', 0, "usage"},/* help alias (both '?' and 'usage') */
{'v', 0, "version"},
{'z', 1, "zend-extension"},
{'-', 0, NULL} /* end of args */
};
typedef struct _php_cgi_globals_struct {
zend_bool rfc2616_headers;
zend_bool nph;
zend_bool check_shebang_line;
#if ENABLE_PATHINFO_CHECK
zend_bool fix_pathinfo;
#endif
#if FORCE_CGI_REDIRECT
zend_bool force_redirect;
char *redirect_status_env;
#endif
#if PHP_FASTCGI
zend_bool fcgi_logging;
# ifdef PHP_WIN32
zend_bool impersonate;
# endif
#endif
} php_cgi_globals_struct;
#ifdef ZTS
static int php_cgi_globals_id;
#define CGIG(v) TSRMG(php_cgi_globals_id, php_cgi_globals_struct *, v)
#else
static php_cgi_globals_struct php_cgi_globals;
#define CGIG(v) (php_cgi_globals.v)
#endif
#ifdef PHP_WIN32
#define TRANSLATE_SLASHES(path) \
{ \
char *tmp = path; \
while (*tmp) { \
if (*tmp == '\\') *tmp = '/'; \
tmp++; \
} \
}
#else
#define TRANSLATE_SLASHES(path)
#endif
static int print_module_info(zend_module_entry *module, void *arg TSRMLS_DC)
{
php_printf("%s\n", module->name);
return 0;
}
static int module_name_cmp(const void *a, const void *b TSRMLS_DC)
{
Bucket *f = *((Bucket **) a);
Bucket *s = *((Bucket **) b);
return strcasecmp(((zend_module_entry *)f->pData)->name,
((zend_module_entry *)s->pData)->name);
}
static void print_modules(TSRMLS_D)
{
HashTable sorted_registry;
zend_module_entry tmp;
zend_hash_init(&sorted_registry, 50, NULL, NULL, 1);
zend_hash_copy(&sorted_registry, &module_registry, NULL, &tmp, sizeof(zend_module_entry));
zend_hash_sort(&sorted_registry, zend_qsort, module_name_cmp, 0 TSRMLS_CC);
zend_hash_apply_with_argument(&sorted_registry, (apply_func_arg_t) print_module_info, NULL TSRMLS_CC);
zend_hash_destroy(&sorted_registry);
}
static int print_extension_info(zend_extension *ext, void *arg TSRMLS_DC)
{
php_printf("%s\n", ext->name);
return 0;
}
static int extension_name_cmp(const zend_llist_element **f,
const zend_llist_element **s TSRMLS_DC)
{
return strcmp(((zend_extension *)(*f)->data)->name,
((zend_extension *)(*s)->data)->name);
}
static void print_extensions(TSRMLS_D)
{
zend_llist sorted_exts;
zend_llist_copy(&sorted_exts, &zend_extensions);
zend_llist_sort(&sorted_exts, extension_name_cmp TSRMLS_CC);
zend_llist_apply_with_argument(&sorted_exts, (llist_apply_with_arg_func_t) print_extension_info, NULL TSRMLS_CC);
zend_llist_destroy(&sorted_exts);
}
#ifndef STDOUT_FILENO
#define STDOUT_FILENO 1
#endif
static inline size_t sapi_cgibin_single_write(const char *str, uint str_length TSRMLS_DC)
{
#ifdef PHP_WRITE_STDOUT
long ret;
#else
size_t ret;
#endif
#if PHP_FASTCGI
if (fcgi_is_fastcgi()) {
fcgi_request *request = (fcgi_request*) SG(server_context);
long ret = fcgi_write(request, FCGI_STDOUT, str, str_length);
if (ret <= 0) {
return 0;
}
return ret;
}
#endif
#ifdef PHP_WRITE_STDOUT
ret = write(STDOUT_FILENO, str, str_length);
if (ret <= 0) return 0;
return ret;
#else
ret = fwrite(str, 1, MIN(str_length, 16384), stdout);
return ret;
#endif
}
static int sapi_cgibin_ub_write(const char *str, uint str_length TSRMLS_DC)
{
const char *ptr = str;
uint remaining = str_length;
size_t ret;
while (remaining > 0) {
ret = sapi_cgibin_single_write(ptr, remaining TSRMLS_CC);
if (!ret) {
php_handle_aborted_connection();
return str_length - remaining;
}
ptr += ret;
remaining -= ret;
}
return str_length;
}
static void sapi_cgibin_flush(void *server_context)
{
#if PHP_FASTCGI
if (fcgi_is_fastcgi()) {
fcgi_request *request = (fcgi_request*) server_context;
if (
#ifndef PHP_WIN32
!parent &&
#endif
request && !fcgi_flush(request, 0)) {
php_handle_aborted_connection();
}
return;
}
#endif
if (fflush(stdout) == EOF) {
php_handle_aborted_connection();
}
}
#define SAPI_CGI_MAX_HEADER_LENGTH 1024
static int sapi_cgi_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC)
{
char buf[SAPI_CGI_MAX_HEADER_LENGTH];
sapi_header_struct *h;
zend_llist_position pos;
if (SG(request_info).no_headers == 1) {
return SAPI_HEADER_SENT_SUCCESSFULLY;
}
if (CGIG(nph) || SG(sapi_headers).http_response_code != 200)
{
int len;
if (CGIG(rfc2616_headers) && SG(sapi_headers).http_status_line) {
len = slprintf(buf, SAPI_CGI_MAX_HEADER_LENGTH,
"%s\r\n", SG(sapi_headers).http_status_line);
if (len > SAPI_CGI_MAX_HEADER_LENGTH) {
len = SAPI_CGI_MAX_HEADER_LENGTH;
}
} else {
char *s;
if (SG(sapi_headers).http_status_line &&
(s = strchr(SG(sapi_headers).http_status_line, ' ')) != 0 &&
(s - SG(sapi_headers).http_status_line) >= 5 &&
strncasecmp(SG(sapi_headers).http_status_line, "HTTP/", 5) == 0) {
len = slprintf(buf, sizeof(buf), "Status:%s\r\n", s);
} else {
len = slprintf(buf, sizeof(buf), "Status: %d\r\n", SG(sapi_headers).http_response_code);
}
}
PHPWRITE_H(buf, len);
}
h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
while (h) {
/* prevent CRLFCRLF */
if (h->header_len) {
PHPWRITE_H(h->header, h->header_len);
PHPWRITE_H("\r\n", 2);
}
h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
}
PHPWRITE_H("\r\n", 2);
return SAPI_HEADER_SENT_SUCCESSFULLY;
}
static int sapi_cgi_read_post(char *buffer, uint count_bytes TSRMLS_DC)
{
int read_bytes=0, tmp_read_bytes;
count_bytes = MIN(count_bytes, (uint) SG(request_info).content_length - SG(read_post_bytes));
while (read_bytes < count_bytes) {
#if PHP_FASTCGI
if (fcgi_is_fastcgi()) {
fcgi_request *request = (fcgi_request*) SG(server_context);
tmp_read_bytes = fcgi_read(request, buffer + read_bytes, count_bytes - read_bytes);
} else {
tmp_read_bytes = read(0, buffer + read_bytes, count_bytes - read_bytes);
}
#else
tmp_read_bytes = read(0, buffer + read_bytes, count_bytes - read_bytes);
#endif
if (tmp_read_bytes <= 0) {
break;
}
read_bytes += tmp_read_bytes;
}
return read_bytes;
}
static char *sapi_cgibin_getenv(char *name, size_t name_len TSRMLS_DC)
{
#if PHP_FASTCGI
/* when php is started by mod_fastcgi, no regular environment
is provided to PHP. It is always sent to PHP at the start
of a request. So we have to do our own lookup to get env
vars. This could probably be faster somehow. */
if (fcgi_is_fastcgi()) {
fcgi_request *request = (fcgi_request*) SG(server_context);
return fcgi_getenv(request, name, name_len);
}
#endif
/* if cgi, or fastcgi and not found in fcgi env
check the regular environment */
return getenv(name);
}
static char *_sapi_cgibin_putenv(char *name, char *value TSRMLS_DC)
{
int name_len;
#if !HAVE_SETENV || !HAVE_UNSETENV
int len;
char *buf;
#endif
if (!name) {
return NULL;
}
name_len = strlen(name);
#if PHP_FASTCGI
/* when php is started by mod_fastcgi, no regular environment
is provided to PHP. It is always sent to PHP at the start
of a request. So we have to do our own lookup to get env
vars. This could probably be faster somehow. */
if (fcgi_is_fastcgi()) {
fcgi_request *request = (fcgi_request*) SG(server_context);
return fcgi_putenv(request, name, name_len, value);
}
#endif
#if HAVE_SETENV
if (value) {
setenv(name, value, 1);
}
#endif
#if HAVE_UNSETENV
if (!value) {
unsetenv(name);
}
#endif
#if !HAVE_SETENV || !HAVE_UNSETENV
/* if cgi, or fastcgi and not found in fcgi env
check the regular environment
this leaks, but it's only cgi anyway, we'll fix
it for 5.0
*/
len = name_len + (value ? strlen(value) : 0) + sizeof("=") + 2;
buf = (char *) malloc(len);
if (buf == NULL) {
return getenv(name);
}
#endif
#if !HAVE_SETENV
if (value) {
len = slprintf(buf, len - 1, "%s=%s", name, value);
putenv(buf);
}
#endif
#if !HAVE_UNSETENV
if (!value) {
len = slprintf(buf, len - 1, "%s=", name);
putenv(buf);
}
#endif
return getenv(name);
}
static char *sapi_cgi_read_cookies(TSRMLS_D)
{
return sapi_cgibin_getenv((char *) "HTTP_COOKIE", sizeof("HTTP_COOKIE")-1 TSRMLS_CC);
}
#if PHP_FASTCGI
void cgi_php_import_environment_variables(zval *array_ptr TSRMLS_DC)
{
if (PG(http_globals)[TRACK_VARS_ENV] &&
array_ptr != PG(http_globals)[TRACK_VARS_ENV] &&
Z_TYPE_P(PG(http_globals)[TRACK_VARS_ENV]) == IS_ARRAY &&
zend_hash_num_elements(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_ENV])) > 0) {
zval_dtor(array_ptr);
*array_ptr = *PG(http_globals)[TRACK_VARS_ENV];
INIT_PZVAL(array_ptr);
zval_copy_ctor(array_ptr);
return;
} else if (PG(http_globals)[TRACK_VARS_SERVER] &&
array_ptr != PG(http_globals)[TRACK_VARS_SERVER] &&
Z_TYPE_P(PG(http_globals)[TRACK_VARS_SERVER]) == IS_ARRAY &&
zend_hash_num_elements(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_SERVER])) > 0) {
zval_dtor(array_ptr);
*array_ptr = *PG(http_globals)[TRACK_VARS_SERVER];
INIT_PZVAL(array_ptr);
zval_copy_ctor(array_ptr);
return;
}
/* call php's original import as a catch-all */
php_php_import_environment_variables(array_ptr TSRMLS_CC);
if (fcgi_is_fastcgi()) {
fcgi_request *request = (fcgi_request*) SG(server_context);
HashPosition pos;
int magic_quotes_gpc = PG(magic_quotes_gpc);
char *var, **val;
uint var_len;
ulong idx;
int filter_arg = (array_ptr == PG(http_globals)[TRACK_VARS_ENV])?PARSE_ENV:PARSE_SERVER;
/* turn off magic_quotes while importing environment variables */
PG(magic_quotes_gpc) = 0;
for (zend_hash_internal_pointer_reset_ex(&request->env, &pos);
zend_hash_get_current_key_ex(&request->env, &var, &var_len, &idx, 0, &pos) == HASH_KEY_IS_STRING &&
zend_hash_get_current_data_ex(&request->env, (void **) &val, &pos) == SUCCESS;
zend_hash_move_forward_ex(&request->env, &pos)) {
unsigned int new_val_len;
if (sapi_module.input_filter(filter_arg, var, val, strlen(*val), &new_val_len TSRMLS_CC)) {
php_register_variable_safe(var, *val, new_val_len, array_ptr TSRMLS_CC);
}
}
PG(magic_quotes_gpc) = magic_quotes_gpc;
}
}
#endif
static void sapi_cgi_register_variables(zval *track_vars_array TSRMLS_DC)
{
unsigned int php_self_len;
char *php_self;
/* In CGI mode, we consider the environment to be a part of the server
* variables
*/
php_import_environment_variables(track_vars_array TSRMLS_CC);
#if ENABLE_PATHINFO_CHECK
if (CGIG(fix_pathinfo)) {
char *script_name = SG(request_info).request_uri;
unsigned int script_name_len = script_name ? strlen(script_name) : 0;
char *path_info = sapi_cgibin_getenv("PATH_INFO", sizeof("PATH_INFO")-1 TSRMLS_CC);
unsigned int path_info_len = path_info ? strlen(path_info) : 0;
php_self_len = script_name_len + path_info_len;
php_self = emalloc(php_self_len + 1);
if (script_name) {
memcpy(php_self, script_name, script_name_len + 1);
}
if (path_info) {
memcpy(php_self + script_name_len, path_info, path_info_len + 1);
}
/* Build the special-case PHP_SELF variable for the CGI version */
if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &php_self, php_self_len, &php_self_len TSRMLS_CC)) {
php_register_variable_safe("PHP_SELF", php_self, php_self_len, track_vars_array TSRMLS_CC);
}
efree(php_self);
return;
}
#endif
php_self = SG(request_info).request_uri ? SG(request_info).request_uri : "";
php_self_len = strlen(php_self);
if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &php_self, php_self_len, &php_self_len TSRMLS_CC)) {
php_register_variable_safe("PHP_SELF", php_self, php_self_len, track_vars_array TSRMLS_CC);
}
}
static void sapi_cgi_log_message(char *message)
{
#if PHP_FASTCGI
TSRMLS_FETCH();
if (fcgi_is_fastcgi() && CGIG(fcgi_logging)) {
fcgi_request *request;
request = (fcgi_request*) SG(server_context);
if (request) {
int len = strlen(message);
char *buf = malloc(len+2);
memcpy(buf, message, len);
memcpy(buf + len, "\n", sizeof("\n"));
fcgi_write(request, FCGI_STDERR, buf, len+1);
free(buf);
} else {
fprintf(stderr, "%s\n", message);
}
/* ignore return code */
} else
#endif /* PHP_FASTCGI */
fprintf(stderr, "%s\n", message);
}
static int sapi_cgi_deactivate(TSRMLS_D)
{
/* flush only when SAPI was started. The reasons are:
1. SAPI Deactivate is called from two places: module init and request shutdown
2. When the first call occurs and the request is not set up, flush fails on
FastCGI.
*/
if (SG(sapi_started)) {
sapi_cgibin_flush(SG(server_context));
}
return SUCCESS;
}
static int php_cgi_startup(sapi_module_struct *sapi_module)
{
if (php_module_startup(sapi_module, &cgi_module_entry, 1) == FAILURE) {
return FAILURE;
}
return SUCCESS;
}
/* {{{ sapi_module_struct cgi_sapi_module
*/
static sapi_module_struct cgi_sapi_module = {
#if PHP_FASTCGI
"cgi-fcgi", /* name */
"CGI/FastCGI", /* pretty name */
#else
"cgi", /* name */
"CGI", /* pretty name */
#endif
php_cgi_startup, /* startup */
php_module_shutdown_wrapper, /* shutdown */
NULL, /* activate */
sapi_cgi_deactivate, /* deactivate */
sapi_cgibin_ub_write, /* unbuffered write */
sapi_cgibin_flush, /* flush */
NULL, /* get uid */
sapi_cgibin_getenv, /* getenv */
php_error, /* error handler */
NULL, /* header handler */
sapi_cgi_send_headers, /* send headers handler */
NULL, /* send header handler */
sapi_cgi_read_post, /* read POST data */
sapi_cgi_read_cookies, /* read Cookies */
sapi_cgi_register_variables, /* register server variables */
sapi_cgi_log_message, /* Log message */
NULL, /* Get request time */
STANDARD_SAPI_MODULE_PROPERTIES
};
/* }}} */
/* {{{ php_cgi_usage
*/
static void php_cgi_usage(char *argv0)
{
char *prog;
prog = strrchr(argv0, '/');
if (prog) {
prog++;
} else {
prog = "php";
}
php_printf("Usage: %s [-q] [-h] [-s] [-v] [-i] [-f <file>]\n"
" %s <file> [args...]\n"
" -a Run interactively\n"
#if PHP_FASTCGI
" -b <address:port>|<port> Bind Path for external FASTCGI Server mode\n"
#endif
" -C Do not chdir to the script's directory\n"
" -c <path>|<file> Look for php.ini file in this directory\n"
" -n No php.ini file will be used\n"
" -d foo[=bar] Define INI entry foo with value 'bar'\n"
" -e Generate extended information for debugger/profiler\n"
" -f <file> Parse <file>. Implies `-q'\n"
" -h This help\n"
" -i PHP information\n"
" -l Syntax check only (lint)\n"
" -m Show compiled in modules\n"
" -q Quiet-mode. Suppress HTTP Header output.\n"
" -s Display colour syntax highlighted source.\n"
" -v Version number\n"
" -w Display source with stripped comments and whitespace.\n"
" -z <file> Load Zend extension <file>.\n",
prog, prog);
}
/* }}} */
/* {{{ init_request_info
initializes request_info structure
specificly in this section we handle proper translations
for:
PATH_INFO
derived from the portion of the URI path following
the script name but preceding any query data
may be empty
PATH_TRANSLATED
derived by taking any path-info component of the
request URI and performing any virtual-to-physical
translation appropriate to map it onto the server's
document repository structure
empty if PATH_INFO is empty
The env var PATH_TRANSLATED **IS DIFFERENT** than the
request_info.path_translated variable, the latter should
match SCRIPT_FILENAME instead.
SCRIPT_NAME
set to a URL path that could identify the CGI script
rather than the interpreter. PHP_SELF is set to this.
REQUEST_URI
uri section following the domain:port part of a URI
SCRIPT_FILENAME
The virtual-to-physical translation of SCRIPT_NAME (as per
PATH_TRANSLATED)
These settings are documented at
http://cgi-spec.golux.com/
Based on the following URL request:
http://localhost/info.php/test?a=b
should produce, which btw is the same as if
we were running under mod_cgi on apache (ie. not
using ScriptAlias directives):
PATH_INFO=/test
PATH_TRANSLATED=/docroot/test
SCRIPT_NAME=/info.php
REQUEST_URI=/info.php/test?a=b
SCRIPT_FILENAME=/docroot/info.php
QUERY_STRING=a=b
but what we get is (cgi/mod_fastcgi under apache):
PATH_INFO=/info.php/test
PATH_TRANSLATED=/docroot/info.php/test
SCRIPT_NAME=/php/php-cgi (from the Action setting I suppose)
REQUEST_URI=/info.php/test?a=b
SCRIPT_FILENAME=/path/to/php/bin/php-cgi (Action setting translated)
QUERY_STRING=a=b
Comments in the code below refer to using the above URL in a request
*/
static void init_request_info(TSRMLS_D)
{
char *env_script_filename = sapi_cgibin_getenv("SCRIPT_FILENAME", sizeof("SCRIPT_FILENAME")-1 TSRMLS_CC);
char *env_path_translated = sapi_cgibin_getenv("PATH_TRANSLATED", sizeof("PATH_TRANSLATED")-1 TSRMLS_CC);
char *script_path_translated = env_script_filename;
#if !DISCARD_PATH
/* some broken servers do not have script_filename or argv0
an example, IIS configured in some ways. then they do more
broken stuff and set path_translated to the cgi script location */
if (!script_path_translated && env_path_translated) {
script_path_translated = env_path_translated;
}
#endif
/* initialize the defaults */
SG(request_info).path_translated = NULL;
SG(request_info).request_method = NULL;
SG(request_info).proto_num = 1000;
SG(request_info).query_string = NULL;
SG(request_info).request_uri = NULL;
SG(request_info).content_type = NULL;
SG(request_info).content_length = 0;
SG(sapi_headers).http_response_code = 200;
/* script_path_translated being set is a good indication that
we are running in a cgi environment, since it is always
null otherwise. otherwise, the filename
of the script will be retreived later via argc/argv */
if (script_path_translated) {
const char *auth;
char *content_length = sapi_cgibin_getenv("CONTENT_LENGTH", sizeof("CONTENT_LENGTH")-1 TSRMLS_CC);
char *content_type = sapi_cgibin_getenv("CONTENT_TYPE", sizeof("CONTENT_TYPE")-1 TSRMLS_CC);
char *env_path_info = sapi_cgibin_getenv("PATH_INFO", sizeof("PATH_INFO")-1 TSRMLS_CC);
char *env_script_name = sapi_cgibin_getenv("SCRIPT_NAME", sizeof("SCRIPT_NAME")-1 TSRMLS_CC);
#if ENABLE_PATHINFO_CHECK
struct stat st;
char *env_redirect_url = sapi_cgibin_getenv("REDIRECT_URL", sizeof("REDIRECT_URL")-1 TSRMLS_CC);
char *env_document_root = sapi_cgibin_getenv("DOCUMENT_ROOT", sizeof("DOCUMENT_ROOT")-1 TSRMLS_CC);
int script_path_translated_len;
/* Hack for buggy IIS that sets incorrect PATH_INFO */
char *env_server_software = sapi_cgibin_getenv("SERVER_SOFTWARE", sizeof("SERVER_SOFTWARE")-1 TSRMLS_CC);
if (env_server_software &&
env_script_name &&
env_path_info &&
strncmp(env_server_software, "Microsoft-IIS", sizeof("Microsoft-IIS")-1) == 0 &&
strncmp(env_path_info, env_script_name, strlen(env_script_name)) == 0) {
env_path_info = _sapi_cgibin_putenv("ORIG_PATH_INFO", env_path_info TSRMLS_CC);
env_path_info += strlen(env_script_name);
if (*env_path_info == 0) {
env_path_info = NULL;
}
env_path_info = _sapi_cgibin_putenv("PATH_INFO", env_path_info TSRMLS_CC);
}
if (CGIG(fix_pathinfo)) {
char *real_path = NULL;
char *orig_path_translated = env_path_translated;
char *orig_path_info = env_path_info;
char *orig_script_name = env_script_name;
char *orig_script_filename = env_script_filename;
if (!env_document_root && PG(doc_root)) {
env_document_root = _sapi_cgibin_putenv("DOCUMENT_ROOT", PG(doc_root) TSRMLS_CC);
/* fix docroot */
TRANSLATE_SLASHES(env_document_root);
}
if (env_path_translated != NULL && env_redirect_url != NULL) {
/*
pretty much apache specific. If we have a redirect_url
then our script_filename and script_name point to the
php executable
*/
script_path_translated = env_path_translated;
/* we correct SCRIPT_NAME now in case we don't have PATH_INFO */
env_script_name = env_redirect_url;
}
#ifdef __riscos__
/* Convert path to unix format*/
__riscosify_control |= __RISCOSIFY_DONT_CHECK_DIR;
script_path_translated = __unixify(script_path_translated, 0, NULL, 1, 0);
#endif
/*
* if the file doesn't exist, try to extract PATH_INFO out
* of it by stat'ing back through the '/'
* this fixes url's like /info.php/test
*/
if (script_path_translated &&
(script_path_translated_len = strlen(script_path_translated)) > 0 &&
(script_path_translated[script_path_translated_len-1] == '/' ||
(real_path = tsrm_realpath(script_path_translated, NULL TSRMLS_CC)) == NULL)) {
char *pt = estrndup(script_path_translated, script_path_translated_len);
int len = script_path_translated_len;
char *ptr;
while ((ptr = strrchr(pt, '/')) || (ptr = strrchr(pt, '\\'))) {
*ptr = 0;
if (stat(pt, &st) == 0 && S_ISREG(st.st_mode)) {
/*
* okay, we found the base script!
* work out how many chars we had to strip off;
* then we can modify PATH_INFO
* accordingly
*
* we now have the makings of
* PATH_INFO=/test
* SCRIPT_FILENAME=/docroot/info.php
*
* we now need to figure out what docroot is.
* if DOCUMENT_ROOT is set, this is easy, otherwise,
* we have to play the game of hide and seek to figure
* out what SCRIPT_NAME should be
*/
int slen = len - strlen(pt);
int pilen = env_path_info ? strlen(env_path_info) : 0;
char *path_info = env_path_info ? env_path_info + pilen - slen : NULL;
if (orig_path_info != path_info) {
if (orig_path_info) {
char old;
_sapi_cgibin_putenv("ORIG_PATH_INFO", orig_path_info TSRMLS_CC);
old = path_info[0];
path_info[0] = 0;
if (!orig_script_name ||
strcmp(orig_script_name, env_path_info) != 0) {
if (orig_script_name) {
_sapi_cgibin_putenv("ORIG_SCRIPT_NAME", orig_script_name TSRMLS_CC);
}
SG(request_info).request_uri = _sapi_cgibin_putenv("SCRIPT_NAME", env_path_info TSRMLS_CC);
} else {
SG(request_info).request_uri = orig_script_name;
}
path_info[0] = old;
}
env_path_info = _sapi_cgibin_putenv("PATH_INFO", path_info TSRMLS_CC);
}
if (!orig_script_filename ||
strcmp(orig_script_filename, pt) != 0) {
if (orig_script_filename) {
_sapi_cgibin_putenv("ORIG_SCRIPT_FILENAME", orig_script_filename TSRMLS_CC);
}
script_path_translated = _sapi_cgibin_putenv("SCRIPT_FILENAME", pt TSRMLS_CC);
}
TRANSLATE_SLASHES(pt);
/* figure out docroot
SCRIPT_FILENAME minus SCRIPT_NAME
*/
if (env_document_root) {
int l = strlen(env_document_root);
int path_translated_len = 0;
char *path_translated = NULL;
if (l && env_document_root[l - 1] == '/') {
--l;
}
/* we have docroot, so we should have:
* DOCUMENT_ROOT=/docroot
* SCRIPT_FILENAME=/docroot/info.php
*/
/* PATH_TRANSLATED = DOCUMENT_ROOT + PATH_INFO */
path_translated_len = l + (env_path_info ? strlen(env_path_info) : 0);
path_translated = (char *) emalloc(path_translated_len + 1);
memcpy(path_translated, env_document_root, l);
if (env_path_info) {
memcpy(path_translated + l, env_path_info, (path_translated_len - l));
}
path_translated[path_translated_len] = '\0';
if (orig_path_translated) {
_sapi_cgibin_putenv("ORIG_PATH_TRANSLATED", orig_path_translated TSRMLS_CC);
}
env_path_translated = _sapi_cgibin_putenv("PATH_TRANSLATED", path_translated TSRMLS_CC);
efree(path_translated);
} else if (env_script_name &&
strstr(pt, env_script_name)
) {
/* PATH_TRANSLATED = PATH_TRANSLATED - SCRIPT_NAME + PATH_INFO */
int ptlen = strlen(pt) - strlen(env_script_name);
int path_translated_len = ptlen + env_path_info ? strlen(env_path_info) : 0;
char *path_translated = NULL;
path_translated = (char *) emalloc(path_translated_len + 1);
memcpy(path_translated, pt, ptlen);
if (env_path_info) {
memcpy(path_translated + ptlen, env_path_info, path_translated_len - ptlen);
}
path_translated[path_translated_len] = '\0';
if (orig_path_translated) {
_sapi_cgibin_putenv("ORIG_PATH_TRANSLATED", orig_path_translated TSRMLS_CC);
}
env_path_translated = _sapi_cgibin_putenv("PATH_TRANSLATED", path_translated TSRMLS_CC);
efree(path_translated);
}
break;
}
}
if (!ptr) {
/*
* if we stripped out all the '/' and still didn't find
* a valid path... we will fail, badly. of course we would
* have failed anyway... we output 'no input file' now.
*/
if (orig_script_filename) {
_sapi_cgibin_putenv("ORIG_SCRIPT_FILENAME", orig_script_filename TSRMLS_CC);
}
script_path_translated = _sapi_cgibin_putenv("SCRIPT_FILENAME", NULL TSRMLS_CC);
SG(sapi_headers).http_response_code = 404;
}
if (!SG(request_info).request_uri) {
if (!orig_script_name ||
strcmp(orig_script_name, env_script_name) != 0) {
if (orig_script_name) {
_sapi_cgibin_putenv("ORIG_SCRIPT_NAME", orig_script_name TSRMLS_CC);
}
SG(request_info).request_uri = _sapi_cgibin_putenv("SCRIPT_NAME", env_script_name TSRMLS_CC);
} else {
SG(request_info).request_uri = orig_script_name;
}
}
if (pt) {
efree(pt);
}
/* some server configurations allow '..' to slip through in the
translated path. We'll just refuse to handle such a path. */
if (script_path_translated && !strstr(script_path_translated, "..")) {
SG(request_info).path_translated = estrdup(script_path_translated);
}
} else {
/* make sure path_info/translated are empty */
if (!orig_script_filename ||
(script_path_translated != orig_script_filename &&
strcmp(script_path_translated, orig_script_filename) != 0)) {
if (orig_script_filename) {
_sapi_cgibin_putenv("ORIG_SCRIPT_FILENAME", orig_script_filename TSRMLS_CC);
}
script_path_translated = _sapi_cgibin_putenv("SCRIPT_FILENAME", script_path_translated TSRMLS_CC);
}
if (env_redirect_url) {
if (orig_path_info) {
_sapi_cgibin_putenv("ORIG_PATH_INFO", orig_path_info TSRMLS_CC);
_sapi_cgibin_putenv("PATH_INFO", NULL TSRMLS_CC);
}
if (orig_path_translated) {
_sapi_cgibin_putenv("ORIG_PATH_TRANSLATED", orig_path_translated TSRMLS_CC);
_sapi_cgibin_putenv("PATH_TRANSLATED", NULL TSRMLS_CC);
}
}
if (env_script_name != orig_script_name) {
if (orig_script_name) {
_sapi_cgibin_putenv("ORIG_SCRIPT_NAME", orig_script_name TSRMLS_CC);
}
SG(request_info).request_uri = _sapi_cgibin_putenv("SCRIPT_NAME", env_script_name TSRMLS_CC);
} else {
SG(request_info).request_uri = env_script_name;
}
/* some server configurations allow '..' to slip through in the
translated path. We'll just refuse to handle such a path. */
if (script_path_translated && !strstr(script_path_translated, "..")) {
SG(request_info).path_translated = estrdup(script_path_translated);
}
free(real_path);
}
} else {
#endif
/* pre 4.3 behaviour, shouldn't be used but provides BC */
if (env_path_info) {
SG(request_info).request_uri = env_path_info;
} else {
SG(request_info).request_uri = env_script_name;
}
#if !DISCARD_PATH
if (env_path_translated) {
script_path_translated = env_path_translated;
}
#endif
/* some server configurations allow '..' to slip through in the
translated path. We'll just refuse to handle such a path. */
if (script_path_translated && !strstr(script_path_translated, "..")) {
SG(request_info).path_translated = estrdup(script_path_translated);
}
#if ENABLE_PATHINFO_CHECK
}
#endif
SG(request_info).request_method = sapi_cgibin_getenv("REQUEST_METHOD", sizeof("REQUEST_METHOD")-1 TSRMLS_CC);
/* FIXME - Work out proto_num here */
SG(request_info).query_string = sapi_cgibin_getenv("QUERY_STRING", sizeof("QUERY_STRING")-1 TSRMLS_CC);
SG(request_info).content_type = (content_type ? content_type : "" );
SG(request_info).content_length = (content_length ? atoi(content_length) : 0);
/* The CGI RFC allows servers to pass on unvalidated Authorization data */
auth = sapi_cgibin_getenv("HTTP_AUTHORIZATION", sizeof("HTTP_AUTHORIZATION")-1 TSRMLS_CC);
php_handle_auth_data(auth TSRMLS_CC);
}
}
/* }}} */
#if PHP_FASTCGI
/**
* Clean up child processes upon exit
*/
void fastcgi_cleanup(int signal)
{
#ifdef DEBUG_FASTCGI
fprintf(stderr, "FastCGI shutdown, pid %d\n", getpid());
#endif
#ifndef PHP_WIN32
sigaction(SIGTERM, &old_term, 0);
/* Kill all the processes in our process group */
kill(-pgroup, SIGTERM);
#endif
/* We should exit at this point, but MacOSX doesn't seem to */
exit(0);
}
#endif
PHP_INI_BEGIN()
STD_PHP_INI_ENTRY("cgi.rfc2616_headers", "0", PHP_INI_ALL, OnUpdateBool, rfc2616_headers, php_cgi_globals_struct, php_cgi_globals)
STD_PHP_INI_ENTRY("cgi.nph", "0", PHP_INI_ALL, OnUpdateBool, nph, php_cgi_globals_struct, php_cgi_globals)
STD_PHP_INI_ENTRY("cgi.check_shebang_line", "1", PHP_INI_SYSTEM, OnUpdateBool, check_shebang_line, php_cgi_globals_struct, php_cgi_globals)
#if FORCE_CGI_REDIRECT
STD_PHP_INI_ENTRY("cgi.force_redirect", "1", PHP_INI_SYSTEM, OnUpdateBool, force_redirect, php_cgi_globals_struct, php_cgi_globals)
STD_PHP_INI_ENTRY("cgi.redirect_status_env", NULL, PHP_INI_SYSTEM, OnUpdateString, redirect_status_env, php_cgi_globals_struct, php_cgi_globals)
#endif
#if ENABLE_PATHINFO_CHECK
STD_PHP_INI_ENTRY("cgi.fix_pathinfo", "1", PHP_INI_SYSTEM, OnUpdateBool, fix_pathinfo, php_cgi_globals_struct, php_cgi_globals)
#endif
#if PHP_FASTCGI
STD_PHP_INI_ENTRY("fastcgi.logging", "1", PHP_INI_SYSTEM, OnUpdateBool, fcgi_logging, php_cgi_globals_struct, php_cgi_globals)
# ifdef PHP_WIN32
STD_PHP_INI_ENTRY("fastcgi.impersonate", "0", PHP_INI_SYSTEM, OnUpdateBool, impersonate, php_cgi_globals_struct, php_cgi_globals)
# endif
#endif
PHP_INI_END()
/* {{{ php_cgi_globals_ctor
*/
static void php_cgi_globals_ctor(php_cgi_globals_struct *php_cgi_globals TSRMLS_DC)
{
php_cgi_globals->rfc2616_headers = 0;
php_cgi_globals->nph = 0;
php_cgi_globals->check_shebang_line = 1;
#if FORCE_CGI_REDIRECT
php_cgi_globals->force_redirect = 1;
php_cgi_globals->redirect_status_env = NULL;
#endif
#if ENABLE_PATHINFO_CHECK
php_cgi_globals->fix_pathinfo = 1;
#endif
#if PHP_FASTCGI
php_cgi_globals->fcgi_logging = 1;
# ifdef PHP_WIN32
php_cgi_globals->impersonate = 0;
# endif
#endif
}
/* }}} */
/* {{{ PHP_MINIT_FUNCTION
*/
static PHP_MINIT_FUNCTION(cgi)
{
#ifdef ZTS
ts_allocate_id(&php_cgi_globals_id, sizeof(php_cgi_globals_struct), (ts_allocate_ctor) php_cgi_globals_ctor, NULL);
#else
php_cgi_globals_ctor(&php_cgi_globals TSRMLS_CC);
#endif
REGISTER_INI_ENTRIES();
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION
*/
static PHP_MSHUTDOWN_FUNCTION(cgi)
{
UNREGISTER_INI_ENTRIES();
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
static PHP_MINFO_FUNCTION(cgi)
{
DISPLAY_INI_ENTRIES();
}
/* }}} */
static zend_module_entry cgi_module_entry = {
STANDARD_MODULE_HEADER,
#if PHP_FASTCGI
"cgi-fcgi",
#else
"cgi",
#endif
NULL,
PHP_MINIT(cgi),
PHP_MSHUTDOWN(cgi),
NULL,
NULL,
PHP_MINFO(cgi),
NO_VERSION_YET,
STANDARD_MODULE_PROPERTIES
};
/* {{{ main
*/
int main(int argc, char *argv[])
{
int free_query_string = 0;
int exit_status = SUCCESS;
int cgi = 0, c, i, len;
zend_file_handle file_handle;
int retval = FAILURE;
char *s;
/* temporary locals */
int behavior = PHP_MODE_STANDARD;
int no_headers = 0;
int orig_optind = php_optind;
char *orig_optarg = php_optarg;
char *script_file = NULL;
int ini_entries_len = 0;
/* end of temporary locals */
#ifdef ZTS
void ***tsrm_ls;
#endif
#if PHP_FASTCGI
int max_requests = 500;
int requests = 0;
int fastcgi = fcgi_is_fastcgi();
char *bindpath = NULL;
int fcgi_fd = 0;
fcgi_request request;
#ifndef PHP_WIN32
int status = 0;
#endif
#endif /* PHP_FASTCGI */
#if 0 && defined(PHP_DEBUG)
/* IIS is always making things more difficult. This allows
us to stop PHP and attach a debugger before much gets started */
{
char szMessage [256];
wsprintf (szMessage, "Please attach a debugger to the process 0x%X [%d] (%s) and click OK",
GetCurrentProcessId(), GetCurrentProcessId(), argv[0]);
MessageBox(NULL, szMessage, "CGI Debug Time!", MB_OK|MB_SERVICE_NOTIFICATION);
}
#endif
#ifdef HAVE_SIGNAL_H
#if defined(SIGPIPE) && defined(SIG_IGN)
signal(SIGPIPE, SIG_IGN); /* ignore SIGPIPE in standalone mode so
that sockets created via fsockopen()
don't kill PHP if the remote site
closes it. in apache|apxs mode apache
does that for us! thies@thieso.net
20000419 */
#endif
#endif
#ifdef ZTS
tsrm_startup(1, 1, 0, NULL);
tsrm_ls = ts_resource(0);
#endif
sapi_startup(&cgi_sapi_module);
cgi_sapi_module.php_ini_path_override = NULL;
#ifdef PHP_WIN32
_fmode = _O_BINARY; /* sets default for file streams to binary */
setmode(_fileno(stdin), O_BINARY); /* make the stdio mode be binary */
setmode(_fileno(stdout), O_BINARY); /* make the stdio mode be binary */
setmode(_fileno(stderr), O_BINARY); /* make the stdio mode be binary */
#endif
#if PHP_FASTCGI
if (!fastcgi) {
#endif
/* Make sure we detect we are a cgi - a bit redundancy here,
but the default case is that we have to check only the first one. */
if (getenv("SERVER_SOFTWARE") ||
getenv("SERVER_NAME") ||
getenv("GATEWAY_INTERFACE") ||
getenv("REQUEST_METHOD")
) {
cgi = 1;
}
#if PHP_FASTCGI
}
#endif
while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0)) != -1) {
switch (c) {
case 'c':
if (cgi_sapi_module.php_ini_path_override) {
free(cgi_sapi_module.php_ini_path_override);
}
cgi_sapi_module.php_ini_path_override = strdup(php_optarg);
break;
case 'n':
cgi_sapi_module.php_ini_ignore = 1;
break;
case 'd': {
/* define ini entries on command line */
int len = strlen(php_optarg);
char *val;
if ((val = strchr(php_optarg, '='))) {
val++;
if (!isalnum(*val) && *val != '"' && *val != '\'' && *val != '\0') {
cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("\"\"\n\0"));
memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, (val - php_optarg));
ini_entries_len += (val - php_optarg);
memcpy(cgi_sapi_module.ini_entries + ini_entries_len, "\"", 1);
ini_entries_len++;
memcpy(cgi_sapi_module.ini_entries + ini_entries_len, val, len - (val - php_optarg));
ini_entries_len += len - (val - php_optarg);
memcpy(cgi_sapi_module.ini_entries + ini_entries_len, "\"\n\0", sizeof("\"\n\0"));
ini_entries_len += sizeof("\n\0\"") - 2;
} else {
cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("\n\0"));
memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, len);
memcpy(cgi_sapi_module.ini_entries + ini_entries_len + len, "\n\0", sizeof("\n\0"));
ini_entries_len += len + sizeof("\n\0") - 2;
}
} else {
cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("=1\n\0"));
memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, len);
memcpy(cgi_sapi_module.ini_entries + ini_entries_len + len, "=1\n\0", sizeof("=1\n\0"));
ini_entries_len += len + sizeof("=1\n\0") - 2;
}
break;
}
#if PHP_FASTCGI
/* if we're started on command line, check to see if
we are being started as an 'external' fastcgi
server by accepting a bindpath parameter. */
case 'b':
if (!fastcgi) {
bindpath = strdup(php_optarg);
}
break;
#endif
case 's': /* generate highlighted HTML from source */
behavior = PHP_MODE_HIGHLIGHT;
break;
}
}
php_optind = orig_optind;
php_optarg = orig_optarg;
#ifdef ZTS
SG(request_info).path_translated = NULL;
#endif
cgi_sapi_module.executable_location = argv[0];
/* startup after we get the above ini override se we get things right */
if (cgi_sapi_module.startup(&cgi_sapi_module) == FAILURE) {
#ifdef ZTS
tsrm_shutdown();
#endif
return FAILURE;
}
#if FORCE_CGI_REDIRECT
/* check force_cgi after startup, so we have proper output */
if (cgi && CGIG(force_redirect)) {
/* Apache will generate REDIRECT_STATUS,
* Netscape and redirect.so will generate HTTP_REDIRECT_STATUS.
* redirect.so and installation instructions available from
* http://www.koehntopp.de/php.
* -- kk@netuse.de
*/
if (!getenv("REDIRECT_STATUS")
&& !getenv ("HTTP_REDIRECT_STATUS")
/* this is to allow a different env var to be configured
in case some server does something different than above */
&& (!CGIG(redirect_status_env) || !getenv(CGIG(redirect_status_env)))
) {
SG(sapi_headers).http_response_code = 400;
PUTS("<b>Security Alert!</b> The PHP CGI cannot be accessed directly.\n\n\
<p>This PHP CGI binary was compiled with force-cgi-redirect enabled. This\n\
means that a page will only be served up if the REDIRECT_STATUS CGI variable is\n\
set, e.g. via an Apache Action directive.</p>\n\
<p>For more information as to <i>why</i> this behaviour exists, see the <a href=\"http://php.net/security.cgi-bin\">\
manual page for CGI security</a>.</p>\n\
<p>For more information about changing this behaviour or re-enabling this webserver,\n\
consult the installation file that came with this distribution, or visit \n\
<a href=\"http://php.net/install.windows\">the manual page</a>.</p>\n");
#if defined(ZTS) && !defined(PHP_DEBUG)
/* XXX we're crashing here in msvc6 debug builds at
php_message_handler_for_zend:839 because
SG(request_info).path_translated is an invalid pointer.
It still happens even though I set it to null, so something
weird is going on.
*/
tsrm_shutdown();
#endif
return FAILURE;
}
}
#endif /* FORCE_CGI_REDIRECT */
#if PHP_FASTCGI
if (bindpath) {
fcgi_fd = fcgi_listen(bindpath, 128);
if (fcgi_fd < 0) {
fprintf(stderr, "Couldn't create FastCGI listen socket on port %s\n", bindpath);
#ifdef ZTS
tsrm_shutdown();
#endif
return FAILURE;
}
fastcgi = fcgi_is_fastcgi();
}
if (fastcgi) {
/* How many times to run PHP scripts before dying */
if (getenv("PHP_FCGI_MAX_REQUESTS")) {
max_requests = atoi(getenv("PHP_FCGI_MAX_REQUESTS"));
if (max_requests < 0) {
fprintf(stderr, "PHP_FCGI_MAX_REQUESTS is not valid\n");
return FAILURE;
}
}
/* make php call us to get _ENV vars */
php_php_import_environment_variables = php_import_environment_variables;
php_import_environment_variables = cgi_php_import_environment_variables;
/* library is already initialized, now init our request */
fcgi_init_request(&request, fcgi_fd);
#ifndef PHP_WIN32
/* Pre-fork, if required */
if (getenv("PHP_FCGI_CHILDREN")) {
children = atoi(getenv("PHP_FCGI_CHILDREN"));
if (children < 0) {
fprintf(stderr, "PHP_FCGI_CHILDREN is not valid\n");
return FAILURE;
}
}
if (children) {
int running = 0;
pid_t pid;
/* Create a process group for ourself & children */
setsid();
pgroup = getpgrp();
#ifdef DEBUG_FASTCGI
fprintf(stderr, "Process group %d\n", pgroup);
#endif
/* Set up handler to kill children upon exit */
act.sa_flags = 0;
act.sa_handler = fastcgi_cleanup;
if (sigaction(SIGTERM, &act, &old_term) ||
sigaction(SIGINT, &act, &old_int) ||
sigaction(SIGQUIT, &act, &old_quit)) {
perror("Can't set signals");
exit(1);
}
if (fcgi_in_shutdown()) {
exit(0);
}
while (parent) {
do {
#ifdef DEBUG_FASTCGI
fprintf(stderr, "Forking, %d running\n", running);
#endif
pid = fork();
switch (pid) {
case 0:
/* One of the children.
* Make sure we don't go round the
* fork loop any more
*/
parent = 0;
/* don't catch our signals */
sigaction(SIGTERM, &old_term, 0);
sigaction(SIGQUIT, &old_quit, 0);
sigaction(SIGINT, &old_int, 0);
break;
case -1:
perror("php (pre-forking)");
exit(1);
break;
default:
/* Fine */
running++;
break;
}
} while (parent && (running < children));
if (parent) {
#ifdef DEBUG_FASTCGI
fprintf(stderr, "Wait for kids, pid %d\n", getpid());
#endif
while (wait(&status) < 0) {
}
running--;
}
}
} else {
parent = 0;
}
#endif /* WIN32 */
}
#endif /* FASTCGI */
zend_first_try {
while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 1)) != -1) {
switch (c) {
case 'h':
case '?':
#if PHP_FASTCGI
fcgi_shutdown();
#endif
no_headers = 1;
php_output_startup();
php_output_activate(TSRMLS_C);
SG(headers_sent) = 1;
php_cgi_usage(argv[0]);
php_end_ob_buffers(1 TSRMLS_CC);
exit_status = 0;
goto out;
}
}
php_optind = orig_optind;
php_optarg = orig_optarg;
#if PHP_FASTCGI
/* start of FAST CGI loop */
/* Initialise FastCGI request structure */
#ifdef PHP_WIN32
/* attempt to set security impersonation for fastcgi
will only happen on NT based OS, others will ignore it. */
if (fastcgi && CGIG(impersonate)) {
fcgi_impersonate();
}
#endif
while (!fastcgi || fcgi_accept_request(&request) >= 0) {
#endif
#if PHP_FASTCGI
SG(server_context) = (void *) &request;
#else
SG(server_context) = (void *) 1; /* avoid server_context==NULL checks */
#endif
init_request_info(TSRMLS_C);
CG(interactive) = 0;
if (!cgi
#if PHP_FASTCGI
&& !fastcgi
#endif
) {
if (cgi_sapi_module.php_ini_path_override && cgi_sapi_module.php_ini_ignore) {
no_headers = 1;
php_output_startup();
php_output_activate(TSRMLS_C);
SG(headers_sent) = 1;
php_printf("You cannot use both -n and -c switch. Use -h for help.\n");
php_end_ob_buffers(1 TSRMLS_CC);
exit_status = 1;
goto out;
}
while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0)) != -1) {
switch (c) {
case 'a': /* interactive mode */
printf("Interactive mode enabled\n\n");
CG(interactive) = 1;
break;
case 'C': /* don't chdir to the script directory */
SG(options) |= SAPI_OPTION_NO_CHDIR;
break;
case 'e': /* enable extended info output */
CG(extended_info) = 1;
break;
case 'f': /* parse file */
if (script_file) {
efree(script_file);
}
script_file = estrdup(php_optarg);
no_headers = 1;
/* arguments after the file are considered script args */
SG(request_info).argc = argc - (php_optind - 1);
SG(request_info).argv = &argv[php_optind - 1];
break;
case 'i': /* php info & quit */
if (php_request_startup(TSRMLS_C) == FAILURE) {
SG(server_context) = NULL;
php_module_shutdown(TSRMLS_C);
return FAILURE;
}
if (no_headers) {
SG(headers_sent) = 1;
SG(request_info).no_headers = 1;
}
php_print_info(0xFFFFFFFF TSRMLS_CC);
php_request_shutdown((void *) 0);
exit_status = 0;
goto out;
case 'l': /* syntax check mode */
no_headers = 1;
behavior = PHP_MODE_LINT;
break;
case 'm': /* list compiled in modules */
php_output_startup();
php_output_activate(TSRMLS_C);
SG(headers_sent) = 1;
php_printf("[PHP Modules]\n");
print_modules(TSRMLS_C);
php_printf("\n[Zend Modules]\n");
print_extensions(TSRMLS_C);
php_printf("\n");
php_end_ob_buffers(1 TSRMLS_CC);
exit_status = 0;
goto out;
#if 0 /* not yet operational, see also below ... */
case '': /* generate indented source mode*/
behavior=PHP_MODE_INDENT;
break;
#endif
case 'q': /* do not generate HTTP headers */
no_headers = 1;
break;
case 'v': /* show php version & quit */
no_headers = 1;
if (php_request_startup(TSRMLS_C) == FAILURE) {
SG(server_context) = NULL;
php_module_shutdown(TSRMLS_C);
return FAILURE;
}
if (no_headers) {
SG(headers_sent) = 1;
SG(request_info).no_headers = 1;
}
#if ZEND_DEBUG
php_printf("PHP %s (%s) (built: %s %s) (DEBUG)\nCopyright (c) 1997-2007 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version());
#else
php_printf("PHP %s (%s) (built: %s %s)\nCopyright (c) 1997-2007 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version());
#endif
php_request_shutdown((void *) 0);
exit_status = 0;
goto out;
case 'w':
behavior = PHP_MODE_STRIP;
break;
case 'z': /* load extension file */
zend_load_extension(php_optarg);
break;
default:
break;
}
}
if (script_file) {
/* override path_translated if -f on command line */
STR_FREE(SG(request_info).path_translated);
SG(request_info).path_translated = script_file;
}
if (no_headers) {
SG(headers_sent) = 1;
SG(request_info).no_headers = 1;
}
if (!SG(request_info).path_translated && argc > php_optind) {
/* arguments after the file are considered script args */
SG(request_info).argc = argc - php_optind;
SG(request_info).argv = &argv[php_optind];
/* file is on command line, but not in -f opt */
SG(request_info).path_translated = estrdup(argv[php_optind++]);
}
/* all remaining arguments are part of the query string
this section of code concatenates all remaining arguments
into a single string, seperating args with a &
this allows command lines like:
test.php v1=test v2=hello+world!
test.php "v1=test&v2=hello world!"
test.php v1=test "v2=hello world!"
*/
if (!SG(request_info).query_string && argc > php_optind) {
int slen = strlen(PG(arg_separator).input);
len = 0;
for (i = php_optind; i < argc; i++) {
if (i < (argc - 1)) {
len += strlen(argv[i]) + slen;
} else {
len += strlen(argv[i]);
}
}
len += 2;
s = malloc(len);
*s = '\0'; /* we are pretending it came from the environment */
for (i = php_optind; i < argc; i++) {
strlcat(s, argv[i], len);
if (i < (argc - 1)) {
strlcat(s, PG(arg_separator).input, len);
}
}
SG(request_info).query_string = s;
free_query_string = 1;
}
} /* end !cgi && !fastcgi */
/*
we never take stdin if we're (f)cgi, always
rely on the web server giving us the info
we need in the environment.
*/
if (SG(request_info).path_translated || cgi
#if PHP_FASTCGI
|| fastcgi
#endif
)
{
file_handle.type = ZEND_HANDLE_FILENAME;
file_handle.filename = SG(request_info).path_translated;
file_handle.handle.fp = NULL;
} else {
file_handle.filename = "-";
file_handle.type = ZEND_HANDLE_FP;
file_handle.handle.fp = stdin;
}
file_handle.opened_path = NULL;
file_handle.free_filename = 0;
/* request startup only after we've done all we can to
get path_translated */
if (php_request_startup(TSRMLS_C) == FAILURE) {
#if PHP_FASTCGI
if (fastcgi) {
fcgi_finish_request(&request);
}
#endif
SG(server_context) = NULL;
php_module_shutdown(TSRMLS_C);
return FAILURE;
}
if (no_headers) {
SG(headers_sent) = 1;
SG(request_info).no_headers = 1;
}
/*
at this point path_translated will be set if:
1. we are running from shell and got filename was there
2. we are running as cgi or fastcgi
*/
retval = FAILURE;
if (cgi || SG(request_info).path_translated) {
if (!php_check_open_basedir(SG(request_info).path_translated TSRMLS_CC)) {
retval = php_fopen_primary_script(&file_handle TSRMLS_CC);
}
}
/*
if we are unable to open path_translated and we are not
running from shell (so fp == NULL), then fail.
*/
if (retval == FAILURE && file_handle.handle.fp == NULL) {
if (errno == EACCES) {
SG(sapi_headers).http_response_code = 403;
PUTS("Access denied.\n");
} else {
SG(sapi_headers).http_response_code = 404;
PUTS("No input file specified.\n");
}
#if PHP_FASTCGI
/* we want to serve more requests if this is fastcgi
so cleanup and continue, request shutdown is
handled later */
if (fastcgi) {
goto fastcgi_request_done;
}
#endif
STR_FREE(SG(request_info).path_translated);
if (free_query_string && SG(request_info).query_string) {
free(SG(request_info).query_string);
SG(request_info).query_string = NULL;
}
php_request_shutdown((void *) 0);
SG(server_context) = NULL;
php_module_shutdown(TSRMLS_C);
sapi_shutdown();
#ifdef ZTS
tsrm_shutdown();
#endif
return FAILURE;
}
if (CGIG(check_shebang_line) && file_handle.handle.fp && (file_handle.handle.fp != stdin)) {
/* #!php support */
c = fgetc(file_handle.handle.fp);
if (c == '#') {
while (c != '\n' && c != '\r') {
c = fgetc(file_handle.handle.fp); /* skip to end of line */
}
/* handle situations where line is terminated by \r\n */
if (c == '\r') {
if (fgetc(file_handle.handle.fp) != '\n') {
long pos = ftell(file_handle.handle.fp);
fseek(file_handle.handle.fp, pos - 1, SEEK_SET);
}
}
CG(start_lineno) = 2;
} else {
rewind(file_handle.handle.fp);
}
}
switch (behavior) {
case PHP_MODE_STANDARD:
php_execute_script(&file_handle TSRMLS_CC);
break;
case PHP_MODE_LINT:
PG(during_request_startup) = 0;
exit_status = php_lint_script(&file_handle TSRMLS_CC);
if (exit_status == SUCCESS) {
zend_printf("No syntax errors detected in %s\n", file_handle.filename);
} else {
zend_printf("Errors parsing %s\n", file_handle.filename);
}
break;
case PHP_MODE_STRIP:
if (open_file_for_scanning(&file_handle TSRMLS_CC) == SUCCESS) {
zend_strip(TSRMLS_C);
fclose(file_handle.handle.fp);
php_end_ob_buffers(1 TSRMLS_CC);
}
return SUCCESS;
break;
case PHP_MODE_HIGHLIGHT:
{
zend_syntax_highlighter_ini syntax_highlighter_ini;
if (open_file_for_scanning(&file_handle TSRMLS_CC) == SUCCESS) {
php_get_highlight_struct(&syntax_highlighter_ini);
zend_highlight(&syntax_highlighter_ini TSRMLS_CC);
#if PHP_FASTCGI
if (fastcgi) {
goto fastcgi_request_done;
}
#endif
fclose(file_handle.handle.fp);
php_end_ob_buffers(1 TSRMLS_CC);
}
return SUCCESS;
}
break;
#if 0
/* Zeev might want to do something with this one day */
case PHP_MODE_INDENT:
open_file_for_scanning(&file_handle TSRMLS_CC);
zend_indent();
fclose(file_handle.handle.fp);
return SUCCESS;
break;
#endif
}
#if PHP_FASTCGI
fastcgi_request_done:
#endif
{
char *path_translated;
/* Go through this trouble so that the memory manager doesn't warn
* about SG(request_info).path_translated leaking
*/
if (SG(request_info).path_translated) {
path_translated = strdup(SG(request_info).path_translated);
STR_FREE(SG(request_info).path_translated);
SG(request_info).path_translated = path_translated;
}
php_request_shutdown((void *) 0);
if (exit_status == 0) {
exit_status = EG(exit_status);
}
if (SG(request_info).path_translated) {
free(SG(request_info).path_translated);
SG(request_info).path_translated = NULL;
}
if (free_query_string && SG(request_info).query_string) {
free(SG(request_info).query_string);
SG(request_info).query_string = NULL;
}
}
#if PHP_FASTCGI
if (!fastcgi) break;
/* only fastcgi will get here */
requests++;
if (max_requests && (requests == max_requests)) {
fcgi_finish_request(&request);
if (bindpath) {
free(bindpath);
}
if (max_requests != 1) {
/* no need to return exit_status of the last request */
exit_status = 0;
}
break;
}
/* end of fastcgi loop */
}
fcgi_shutdown();
#endif
if (cgi_sapi_module.php_ini_path_override) {
free(cgi_sapi_module.php_ini_path_override);
}
if (cgi_sapi_module.ini_entries) {
free(cgi_sapi_module.ini_entries);
}
} zend_catch {
exit_status = 255;
} zend_end_try();
out:
SG(server_context) = NULL;
php_module_shutdown(TSRMLS_C);
sapi_shutdown();
#ifdef ZTS
/*tsrm_shutdown();*/
#endif
#if defined(PHP_WIN32) && ZEND_DEBUG && 0
_CrtDumpMemoryLeaks();
#endif
return exit_status;
}
/* }}} */
/*
* 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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