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php-src/sapi/cgi/cgi_main.c
David Carlier b05f364333 Fix bindpath mem leak in cgi 
Closes GH-4451.
2019-07-24 12:06:40 +02:00

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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 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@php.net> |
| FastCGI: Ben Mansell <php@slimyhorror.com> |
| Shane Caraveo <shane@caraveo.com> |
| Dmitry Stogov <dmitry@php.net> |
+----------------------------------------------------------------------+
*/
#include "php.h"
#include "php_globals.h"
#include "php_variables.h"
#include "zend_modules.h"
#include "SAPI.h"
#include <stdio.h>
#ifdef PHP_WIN32
# include "win32/time.h"
# include "win32/signal.h"
# include "win32/winutil.h"
# include <process.h>
#endif
#if HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <signal.h>
#include <locale.h>
#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 "http_status_codes.h"
#include "ext/standard/php_standard.h"
#include "ext/standard/url.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 "php_getopt.h"
#include "fastcgi.h"
#if defined(PHP_WIN32) && defined(HAVE_OPENSSL)
# include "openssl/applink.c"
#endif
#ifdef HAVE_VALGRIND
# include "valgrind/callgrind.h"
#endif
#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);
/* 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;
#ifndef PHP_WIN32
/* Did parent received exit signals SIG_TERM/SIG_INT/SIG_QUIT */
static int exit_signal = 0;
/* Is Parent waiting for children to exit */
static int parent_waiting = 0;
/**
* Process group
*/
static pid_t pgroup;
#endif
#define PHP_MODE_STANDARD 1
#define PHP_MODE_HIGHLIGHT 2
#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"},
{'T', 1, "timing"},
{'-', 0, NULL} /* end of args */
};
typedef struct _php_cgi_globals_struct {
HashTable user_config_cache;
char *redirect_status_env;
zend_bool rfc2616_headers;
zend_bool nph;
zend_bool check_shebang_line;
zend_bool fix_pathinfo;
zend_bool force_redirect;
zend_bool discard_path;
zend_bool fcgi_logging;
#ifdef PHP_WIN32
zend_bool impersonate;
#endif
} php_cgi_globals_struct;
/* {{{ user_config_cache
*
* Key for each cache entry is dirname(PATH_TRANSLATED).
*
* NOTE: Each cache entry config_hash contains the combination from all user ini files found in
* the path starting from doc_root through to dirname(PATH_TRANSLATED). There is no point
* storing per-file entries as it would not be possible to detect added / deleted entries
* between separate files.
*/
typedef struct _user_config_cache_entry {
time_t expires;
HashTable *user_config;
} user_config_cache_entry;
static void user_config_cache_entry_dtor(zval *el)
{
user_config_cache_entry *entry = (user_config_cache_entry *)Z_PTR_P(el);
zend_hash_destroy(entry->user_config);
free(entry->user_config);
free(entry);
}
/* }}} */
#ifdef ZTS
static int php_cgi_globals_id;
#define CGIG(v) ZEND_TSRMG(php_cgi_globals_id, php_cgi_globals_struct *, v)
#if defined(PHP_WIN32)
ZEND_TSRMLS_CACHE_DEFINE()
#endif
#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
#ifdef PHP_WIN32
#define WIN32_MAX_SPAWN_CHILDREN 64
HANDLE kid_cgi_ps[WIN32_MAX_SPAWN_CHILDREN];
int kids, cleaning_up = 0;
HANDLE job = NULL;
JOBOBJECT_EXTENDED_LIMIT_INFORMATION job_info = { 0 };
CRITICAL_SECTION cleanup_lock;
#endif
#ifndef HAVE_ATTRIBUTE_WEAK
static void fcgi_log(int type, const char *format, ...) {
va_list ap;
va_start(ap, format);
vfprintf(stderr, format, ap);
va_end(ap);
}
#endif
static int module_name_cmp(const void *a, const void *b)
{
Bucket *f = (Bucket *) a;
Bucket *s = (Bucket *) b;
return strcasecmp( ((zend_module_entry *)Z_PTR(f->val))->name,
((zend_module_entry *)Z_PTR(s->val))->name);
}
static void print_modules(void)
{
HashTable sorted_registry;
zend_module_entry *module;
zend_hash_init(&sorted_registry, 64, NULL, NULL, 1);
zend_hash_copy(&sorted_registry, &module_registry, NULL);
zend_hash_sort(&sorted_registry, module_name_cmp, 0);
ZEND_HASH_FOREACH_PTR(&sorted_registry, module) {
php_printf("%s\n", module->name);
} ZEND_HASH_FOREACH_END();
zend_hash_destroy(&sorted_registry);
}
static int print_extension_info(zend_extension *ext, void *arg)
{
php_printf("%s\n", ext->name);
return 0;
}
static int extension_name_cmp(const zend_llist_element **f, const zend_llist_element **s)
{
zend_extension *fe = (zend_extension*)(*f)->data;
zend_extension *se = (zend_extension*)(*s)->data;
return strcmp(fe->name, se->name);
}
static void print_extensions(void)
{
zend_llist sorted_exts;
zend_llist_copy(&sorted_exts, &zend_extensions);
sorted_exts.dtor = NULL;
zend_llist_sort(&sorted_exts, extension_name_cmp);
zend_llist_apply_with_argument(&sorted_exts, (llist_apply_with_arg_func_t) print_extension_info, NULL);
zend_llist_destroy(&sorted_exts);
}
#ifndef STDOUT_FILENO
#define STDOUT_FILENO 1
#endif
static inline size_t sapi_cgi_single_write(const char *str, size_t str_length)
{
#ifdef PHP_WRITE_STDOUT
int ret;
ret = write(STDOUT_FILENO, str, str_length);
if (ret <= 0) return 0;
return ret;
#else
size_t ret;
ret = fwrite(str, 1, MIN(str_length, 16384), stdout);
return ret;
#endif
}
static size_t sapi_cgi_ub_write(const char *str, size_t str_length)
{
const char *ptr = str;
size_t remaining = str_length;
size_t ret;
while (remaining > 0) {
ret = sapi_cgi_single_write(ptr, remaining);
if (!ret) {
php_handle_aborted_connection();
return str_length - remaining;
}
ptr += ret;
remaining -= ret;
}
return str_length;
}
static size_t sapi_fcgi_ub_write(const char *str, size_t str_length)
{
const char *ptr = str;
size_t remaining = str_length;
fcgi_request *request = (fcgi_request*) SG(server_context);
while (remaining > 0) {
int to_write = remaining > INT_MAX ? INT_MAX : (int)remaining;
int ret = fcgi_write(request, FCGI_STDOUT, ptr, to_write);
if (ret <= 0) {
php_handle_aborted_connection();
return str_length - remaining;
}
ptr += ret;
remaining -= ret;
}
return str_length;
}
static void sapi_cgi_flush(void *server_context)
{
if (fflush(stdout) == EOF) {
php_handle_aborted_connection();
}
}
static void sapi_fcgi_flush(void *server_context)
{
fcgi_request *request = (fcgi_request*) server_context;
if (
!parent &&
request && !fcgi_flush(request, 0)) {
php_handle_aborted_connection();
}
}
#define SAPI_CGI_MAX_HEADER_LENGTH 1024
static int sapi_cgi_send_headers(sapi_headers_struct *sapi_headers)
{
sapi_header_struct *h;
zend_llist_position pos;
zend_bool ignore_status = 0;
int response_status = SG(sapi_headers).http_response_code;
if (SG(request_info).no_headers == 1) {
return SAPI_HEADER_SENT_SUCCESSFULLY;
}
if (CGIG(nph) || SG(sapi_headers).http_response_code != 200)
{
int len;
zend_bool has_status = 0;
char buf[SAPI_CGI_MAX_HEADER_LENGTH];
if (CGIG(rfc2616_headers) && SG(sapi_headers).http_status_line) {
char *s;
len = slprintf(buf, SAPI_CGI_MAX_HEADER_LENGTH, "%s\r\n", SG(sapi_headers).http_status_line);
if ((s = strchr(SG(sapi_headers).http_status_line, ' '))) {
response_status = atoi((s + 1));
}
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);
response_status = atoi((s + 1));
} else {
h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
while (h) {
if (h->header_len > sizeof("Status:")-1 &&
strncasecmp(h->header, "Status:", sizeof("Status:")-1) == 0
) {
has_status = 1;
break;
}
h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
}
if (!has_status) {
http_response_status_code_pair *err = (http_response_status_code_pair*)http_status_map;
while (err->code != 0) {
if (err->code == SG(sapi_headers).http_response_code) {
break;
}
err++;
}
if (err->str) {
len = slprintf(buf, sizeof(buf), "Status: %d %s\r\n", SG(sapi_headers).http_response_code, err->str);
} else {
len = slprintf(buf, sizeof(buf), "Status: %d\r\n", SG(sapi_headers).http_response_code);
}
}
}
}
if (!has_status) {
PHPWRITE_H(buf, len);
ignore_status = 1;
}
}
h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
while (h) {
/* prevent CRLFCRLF */
if (h->header_len) {
if (h->header_len > sizeof("Status:")-1 &&
strncasecmp(h->header, "Status:", sizeof("Status:")-1) == 0
) {
if (!ignore_status) {
ignore_status = 1;
PHPWRITE_H(h->header, h->header_len);
PHPWRITE_H("\r\n", 2);
}
} else if (response_status == 304 && h->header_len > sizeof("Content-Type:")-1 &&
strncasecmp(h->header, "Content-Type:", sizeof("Content-Type:")-1) == 0
) {
h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
continue;
} else {
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;
}
#ifndef STDIN_FILENO
# define STDIN_FILENO 0
#endif
static size_t sapi_cgi_read_post(char *buffer, size_t count_bytes)
{
size_t read_bytes = 0;
int tmp_read_bytes;
size_t remaining_bytes;
assert(SG(request_info).content_length >= SG(read_post_bytes));
remaining_bytes = (size_t)(SG(request_info).content_length - SG(read_post_bytes));
count_bytes = MIN(count_bytes, remaining_bytes);
while (read_bytes < count_bytes) {
#ifdef PHP_WIN32
size_t diff = count_bytes - read_bytes;
unsigned int to_read = (diff > UINT_MAX) ? UINT_MAX : (unsigned int)diff;
tmp_read_bytes = read(STDIN_FILENO, buffer + read_bytes, to_read);
#else
tmp_read_bytes = read(STDIN_FILENO, buffer + read_bytes, count_bytes - read_bytes);
#endif
if (tmp_read_bytes <= 0) {
break;
}
read_bytes += tmp_read_bytes;
}
return read_bytes;
}
static size_t sapi_fcgi_read_post(char *buffer, size_t count_bytes)
{
size_t read_bytes = 0;
int tmp_read_bytes;
fcgi_request *request = (fcgi_request*) SG(server_context);
size_t remaining = SG(request_info).content_length - SG(read_post_bytes);
if (remaining < count_bytes) {
count_bytes = remaining;
}
while (read_bytes < count_bytes) {
size_t diff = count_bytes - read_bytes;
int to_read = (diff > INT_MAX) ? INT_MAX : (int)diff;
tmp_read_bytes = fcgi_read(request, buffer + read_bytes, to_read);
if (tmp_read_bytes <= 0) {
break;
}
read_bytes += tmp_read_bytes;
}
return read_bytes;
}
#ifdef PHP_WIN32
/* The result needs to be freed! See sapi_getenv(). */
static char *cgi_getenv_win32(const char *name, size_t name_len)
{
char *ret = NULL;
wchar_t *keyw, *valw;
size_t size;
int rc;
keyw = php_win32_cp_conv_any_to_w(name, name_len, PHP_WIN32_CP_IGNORE_LEN_P);
if (!keyw) {
return NULL;
}
rc = _wgetenv_s(&size, NULL, 0, keyw);
if (rc || 0 == size) {
free(keyw);
return NULL;
}
valw = emalloc((size + 1) * sizeof(wchar_t));
rc = _wgetenv_s(&size, valw, size, keyw);
if (!rc) {
ret = php_win32_cp_w_to_any(valw);
}
free(keyw);
efree(valw);
return ret;
}
#endif
static char *sapi_cgi_getenv(char *name, size_t name_len)
{
#ifndef PHP_WIN32
return getenv(name);
#else
return cgi_getenv_win32(name, name_len);
#endif
}
static char *sapi_fcgi_getenv(char *name, size_t name_len)
{
/* 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. */
fcgi_request *request = (fcgi_request*) SG(server_context);
char *ret = fcgi_getenv(request, name, (int)name_len);
#ifndef PHP_WIN32
if (ret) return ret;
/* if cgi, or fastcgi and not found in fcgi env
check the regular environment */
return getenv(name);
#else
if (ret) {
/* The functions outside here don't know, where does it come
from. They'll need to free the returned memory as it's
not necessary from the fcgi env. */
return strdup(ret);
}
/* if cgi, or fastcgi and not found in fcgi env
check the regular environment */
return cgi_getenv_win32(name, name_len);
#endif
}
static char *_sapi_cgi_putenv(char *name, size_t name_len, char *value)
{
#if !HAVE_SETENV || !HAVE_UNSETENV
size_t len;
char *buf;
#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(void)
{
return getenv("HTTP_COOKIE");
}
static char *sapi_fcgi_read_cookies(void)
{
fcgi_request *request = (fcgi_request*) SG(server_context);
return FCGI_GETENV(request, "HTTP_COOKIE");
}
static void cgi_php_load_env_var(char *var, unsigned int var_len, char *val, unsigned int val_len, void *arg)
{
zval *array_ptr = (zval*)arg;
int filter_arg = (Z_ARR_P(array_ptr) == Z_ARR(PG(http_globals)[TRACK_VARS_ENV]))?PARSE_ENV:PARSE_SERVER;
size_t new_val_len;
if (sapi_module.input_filter(filter_arg, var, &val, strlen(val), &new_val_len)) {
php_register_variable_safe(var, val, new_val_len, array_ptr);
}
}
static void cgi_php_import_environment_variables(zval *array_ptr)
{
if (PG(variables_order) && (strchr(PG(variables_order),'E') || strchr(PG(variables_order),'e'))) {
if (Z_TYPE(PG(http_globals)[TRACK_VARS_ENV]) != IS_ARRAY) {
zend_is_auto_global_str("_ENV", sizeof("_ENV")-1);
}
if (Z_TYPE(PG(http_globals)[TRACK_VARS_ENV]) == IS_ARRAY &&
Z_ARR_P(array_ptr) != Z_ARR(PG(http_globals)[TRACK_VARS_ENV])) {
zend_array_destroy(Z_ARR_P(array_ptr));
Z_ARR_P(array_ptr) = zend_array_dup(Z_ARR(PG(http_globals)[TRACK_VARS_ENV]));
return;
}
}
/* call php's original import as a catch-all */
php_php_import_environment_variables(array_ptr);
if (fcgi_is_fastcgi()) {
fcgi_request *request = (fcgi_request*) SG(server_context);
fcgi_loadenv(request, cgi_php_load_env_var, array_ptr);
}
}
static void sapi_cgi_register_variables(zval *track_vars_array)
{
size_t 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);
if (CGIG(fix_pathinfo)) {
char *script_name = SG(request_info).request_uri;
char *path_info;
int free_php_self;
ALLOCA_FLAG(use_heap)
if (fcgi_is_fastcgi()) {
fcgi_request *request = (fcgi_request*) SG(server_context);
path_info = FCGI_GETENV(request, "PATH_INFO");
} else {
path_info = getenv("PATH_INFO");
}
if (path_info) {
size_t path_info_len = strlen(path_info);
if (script_name) {
size_t script_name_len = strlen(script_name);
php_self_len = script_name_len + path_info_len;
php_self = do_alloca(php_self_len + 1, use_heap);
memcpy(php_self, script_name, script_name_len + 1);
memcpy(php_self + script_name_len, path_info, path_info_len + 1);
free_php_self = 1;
} else {
php_self = path_info;
php_self_len = path_info_len;
free_php_self = 0;
}
} else if (script_name) {
php_self = script_name;
php_self_len = strlen(script_name);
free_php_self = 0;
} else {
php_self = "";
php_self_len = 0;
free_php_self = 0;
}
/* 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)) {
php_register_variable_safe("PHP_SELF", php_self, php_self_len, track_vars_array);
}
if (free_php_self) {
free_alloca(php_self, use_heap);
}
} else {
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)) {
php_register_variable_safe("PHP_SELF", php_self, php_self_len, track_vars_array);
}
}
}
static void sapi_cgi_log_message(char *message, int syslog_type_int)
{
if (fcgi_is_fastcgi() && CGIG(fcgi_logging)) {
fcgi_request *request;
request = (fcgi_request*) SG(server_context);
if (request) {
int ret, len = (int)strlen(message);
char *buf = malloc(len+2);
memcpy(buf, message, len);
memcpy(buf + len, "\n", sizeof("\n"));
ret = fcgi_write(request, FCGI_STDERR, buf, (int)(len + 1));
free(buf);
if (ret < 0) {
php_handle_aborted_connection();
}
} else {
fprintf(stderr, "%s\n", message);
}
/* ignore return code */
} else {
fprintf(stderr, "%s\n", message);
}
}
/* {{{ php_cgi_ini_activate_user_config
*/
static void php_cgi_ini_activate_user_config(char *path, size_t path_len, const char *doc_root, size_t doc_root_len, int start)
{
user_config_cache_entry *new_entry, *entry;
time_t request_time = (time_t)sapi_get_request_time();
/* Find cached config entry: If not found, create one */
if ((entry = zend_hash_str_find_ptr(&CGIG(user_config_cache), path, path_len)) == NULL) {
new_entry = pemalloc(sizeof(user_config_cache_entry), 1);
new_entry->expires = 0;
new_entry->user_config = (HashTable *) pemalloc(sizeof(HashTable), 1);
zend_hash_init(new_entry->user_config, 8, NULL, (dtor_func_t) config_zval_dtor, 1);
entry = zend_hash_str_update_ptr(&CGIG(user_config_cache), path, path_len, new_entry);
}
/* Check whether cache entry has expired and rescan if it is */
if (request_time > entry->expires) {
char *real_path = NULL;
char *s1, *s2;
size_t s_len;
/* Clear the expired config */
zend_hash_clean(entry->user_config);
if (!IS_ABSOLUTE_PATH(path, path_len)) {
size_t real_path_len;
real_path = tsrm_realpath(path, NULL);
if (real_path == NULL) {
return;
}
real_path_len = strlen(real_path);
path = real_path;
path_len = real_path_len;
}
if (path_len > doc_root_len) {
s1 = (char *) doc_root;
s2 = path;
s_len = doc_root_len;
} else {
s1 = path;
s2 = (char *) doc_root;
s_len = path_len;
}
/* we have to test if path is part of DOCUMENT_ROOT.
if it is inside the docroot, we scan the tree up to the docroot
to find more user.ini, if not we only scan the current path.
*/
#ifdef PHP_WIN32
if (strnicmp(s1, s2, s_len) == 0) {
#else
if (strncmp(s1, s2, s_len) == 0) {
#endif
char *ptr = s2 + start; /* start is the point where doc_root ends! */
while ((ptr = strchr(ptr, DEFAULT_SLASH)) != NULL) {
*ptr = 0;
php_parse_user_ini_file(path, PG(user_ini_filename), entry->user_config);
*ptr = '/';
ptr++;
}
} else {
php_parse_user_ini_file(path, PG(user_ini_filename), entry->user_config);
}
if (real_path) {
efree(real_path);
}
entry->expires = request_time + PG(user_ini_cache_ttl);
}
/* Activate ini entries with values from the user config hash */
php_ini_activate_config(entry->user_config, PHP_INI_PERDIR, PHP_INI_STAGE_HTACCESS);
}
/* }}} */
static int sapi_cgi_activate(void)
{
/* PATH_TRANSLATED should be defined at this stage but better safe than sorry :) */
if (!SG(request_info).path_translated) {
return FAILURE;
}
if (php_ini_has_per_host_config()) {
char *server_name;
/* Activate per-host-system-configuration defined in php.ini and stored into configuration_hash during startup */
if (fcgi_is_fastcgi()) {
fcgi_request *request = (fcgi_request*) SG(server_context);
server_name = FCGI_GETENV(request, "SERVER_NAME");
} else {
server_name = getenv("SERVER_NAME");
}
/* SERVER_NAME should also be defined at this stage..but better check it anyway */
if (server_name) {
size_t server_name_len = strlen(server_name);
server_name = estrndup(server_name, server_name_len);
zend_str_tolower(server_name, server_name_len);
php_ini_activate_per_host_config(server_name, server_name_len);
efree(server_name);
}
}
if (php_ini_has_per_dir_config() ||
(PG(user_ini_filename) && *PG(user_ini_filename))
) {
char *path;
size_t path_len;
/* Prepare search path */
path_len = strlen(SG(request_info).path_translated);
/* Make sure we have trailing slash! */
if (!IS_SLASH(SG(request_info).path_translated[path_len])) {
path = emalloc(path_len + 2);
memcpy(path, SG(request_info).path_translated, path_len + 1);
path_len = zend_dirname(path, path_len);
path[path_len++] = DEFAULT_SLASH;
} else {
path = estrndup(SG(request_info).path_translated, path_len);
path_len = zend_dirname(path, path_len);
}
path[path_len] = 0;
/* Activate per-dir-system-configuration defined in php.ini and stored into configuration_hash during startup */
php_ini_activate_per_dir_config(path, path_len); /* Note: for global settings sake we check from root to path */
/* Load and activate user ini files in path starting from DOCUMENT_ROOT */
if (PG(user_ini_filename) && *PG(user_ini_filename)) {
char *doc_root;
if (fcgi_is_fastcgi()) {
fcgi_request *request = (fcgi_request*) SG(server_context);
doc_root = FCGI_GETENV(request, "DOCUMENT_ROOT");
} else {
doc_root = getenv("DOCUMENT_ROOT");
}
/* DOCUMENT_ROOT should also be defined at this stage..but better check it anyway */
if (doc_root) {
size_t doc_root_len = strlen(doc_root);
if (doc_root_len > 0 && IS_SLASH(doc_root[doc_root_len - 1])) {
--doc_root_len;
}
#ifdef PHP_WIN32
/* paths on windows should be case-insensitive */
doc_root = estrndup(doc_root, doc_root_len);
zend_str_tolower(doc_root, doc_root_len);
#endif
php_cgi_ini_activate_user_config(path, path_len, doc_root, doc_root_len, (doc_root_len > 0 && (doc_root_len - 1)));
#ifdef PHP_WIN32
efree(doc_root);
#endif
}
}
efree(path);
}
return SUCCESS;
}
static int sapi_cgi_deactivate(void)
{
/* 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)) {
if (fcgi_is_fastcgi()) {
if (
!parent &&
!fcgi_finish_request((fcgi_request*)SG(server_context), 0)) {
php_handle_aborted_connection();
}
} else {
sapi_cgi_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 = {
"cgi-fcgi", /* name */
"CGI/FastCGI", /* pretty name */
php_cgi_startup, /* startup */
php_module_shutdown_wrapper, /* shutdown */
sapi_cgi_activate, /* activate */
sapi_cgi_deactivate, /* deactivate */
sapi_cgi_ub_write, /* unbuffered write */
sapi_cgi_flush, /* flush */
NULL, /* get uid */
sapi_cgi_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 */
NULL, /* Child terminate */
STANDARD_SAPI_MODULE_PROPERTIES
};
/* }}} */
/* {{{ arginfo ext/standard/dl.c */
ZEND_BEGIN_ARG_INFO(arginfo_dl, 0)
ZEND_ARG_INFO(0, extension_filename)
ZEND_END_ARG_INFO()
/* }}} */
static const zend_function_entry additional_functions[] = {
ZEND_FE(dl, arginfo_dl)
PHP_FE_END
};
/* {{{ 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"
" -b <address:port>|<port> Bind Path for external FASTCGI Server mode\n"
" -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"
" -T <count> Measure execution time of script repeated <count> times.\n",
prog, prog);
}
/* }}} */
/* {{{ is_valid_path
*
* some server configurations allow '..' to slip through in the
* translated path. We'll just refuse to handle such a path.
*/
static int is_valid_path(const char *path)
{
const char *p = path;
if (UNEXPECTED(!p)) {
return 0;
}
if (UNEXPECTED(*p == '.') && *(p+1) == '.' && (!*(p+2) || IS_SLASH(*(p+2)))) {
return 0;
}
while (*p) {
if (IS_SLASH(*p)) {
p++;
if (UNEXPECTED(*p == '.')) {
p++;
if (UNEXPECTED(*p == '.')) {
p++;
if (UNEXPECTED(!*p) || UNEXPECTED(IS_SLASH(*p))) {
return 0;
}
}
}
}
p++;
}
return 1;
}
/* }}} */
#define CGI_GETENV(name) \
((has_env) ? \
FCGI_GETENV(request, name) : \
getenv(name))
#define CGI_PUTENV(name, value) \
((has_env) ? \
FCGI_PUTENV(request, name, value) : \
_sapi_cgi_putenv(name, sizeof(name)-1, value))
/* {{{ 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(fcgi_request *request)
{
int has_env = fcgi_has_env(request);
char *env_script_filename = CGI_GETENV("SCRIPT_FILENAME");
char *env_path_translated = CGI_GETENV("PATH_TRANSLATED");
char *script_path_translated = env_script_filename;
/* 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;
}
/* 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 retrieved later via argc/argv */
if (script_path_translated) {
const char *auth;
char *content_length = CGI_GETENV("CONTENT_LENGTH");
char *content_type = CGI_GETENV("CONTENT_TYPE");
char *env_path_info = CGI_GETENV("PATH_INFO");
char *env_script_name = CGI_GETENV("SCRIPT_NAME");
#ifdef PHP_WIN32
/* Hack for buggy IIS that sets incorrect PATH_INFO */
char *env_server_software = CGI_GETENV("SERVER_SOFTWARE");
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 = CGI_PUTENV("ORIG_PATH_INFO", env_path_info);
env_path_info += strlen(env_script_name);
if (*env_path_info == 0) {
env_path_info = NULL;
}
env_path_info = CGI_PUTENV("PATH_INFO", env_path_info);
}
#endif
if (CGIG(fix_pathinfo)) {
zend_stat_t st;
char *real_path = NULL;
char *env_redirect_url = CGI_GETENV("REDIRECT_URL");
char *env_document_root = CGI_GETENV("DOCUMENT_ROOT");
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;
size_t script_path_translated_len;
if (!env_document_root && PG(doc_root)) {
env_document_root = CGI_PUTENV("DOCUMENT_ROOT", PG(doc_root));
/* fix docroot */
TRANSLATE_SLASHES(env_document_root);
}
if (env_path_translated != NULL && env_redirect_url != NULL &&
env_path_translated != script_path_translated &&
strcmp(env_path_translated, script_path_translated) != 0) {
/*
* 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] == '/' ||
#ifdef PHP_WIN32
script_path_translated[script_path_translated_len-1] == '\\' ||
#endif
(real_path = tsrm_realpath(script_path_translated, NULL)) == NULL)
) {
char *pt = estrndup(script_path_translated, script_path_translated_len);
size_t len = script_path_translated_len;
char *ptr;
while ((ptr = strrchr(pt, '/')) || (ptr = strrchr(pt, '\\'))) {
*ptr = 0;
if (zend_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
*/
size_t slen = len - strlen(pt);
size_t 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;
CGI_PUTENV("ORIG_PATH_INFO", orig_path_info);
old = path_info[0];
path_info[0] = 0;
if (!orig_script_name ||
strcmp(orig_script_name, env_path_info) != 0) {
if (orig_script_name) {
CGI_PUTENV("ORIG_SCRIPT_NAME", orig_script_name);
}
SG(request_info).request_uri = CGI_PUTENV("SCRIPT_NAME", env_path_info);
} else {
SG(request_info).request_uri = orig_script_name;
}
path_info[0] = old;
}
env_path_info = CGI_PUTENV("PATH_INFO", path_info);
}
if (!orig_script_filename ||
strcmp(orig_script_filename, pt) != 0) {
if (orig_script_filename) {
CGI_PUTENV("ORIG_SCRIPT_FILENAME", orig_script_filename);
}
script_path_translated = CGI_PUTENV("SCRIPT_FILENAME", pt);
}
TRANSLATE_SLASHES(pt);
/* figure out docroot
* SCRIPT_FILENAME minus SCRIPT_NAME
*/
if (env_document_root) {
size_t l = strlen(env_document_root);
size_t 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) {
CGI_PUTENV("ORIG_PATH_TRANSLATED", orig_path_translated);
}
env_path_translated = CGI_PUTENV("PATH_TRANSLATED", path_translated);
efree(path_translated);
} else if ( env_script_name &&
strstr(pt, env_script_name)
) {
/* PATH_TRANSLATED = PATH_TRANSLATED - SCRIPT_NAME + PATH_INFO */
size_t ptlen = strlen(pt) - strlen(env_script_name);
size_t path_translated_len = ptlen + (env_path_info ? strlen(env_path_info) : 0);
char *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) {
CGI_PUTENV("ORIG_PATH_TRANSLATED", orig_path_translated);
}
env_path_translated = CGI_PUTENV("PATH_TRANSLATED", path_translated);
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) {
CGI_PUTENV("ORIG_SCRIPT_FILENAME", orig_script_filename);
}
script_path_translated = CGI_PUTENV("SCRIPT_FILENAME", NULL);
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) {
CGI_PUTENV("ORIG_SCRIPT_NAME", orig_script_name);
}
SG(request_info).request_uri = CGI_PUTENV("SCRIPT_NAME", env_script_name);
} else {
SG(request_info).request_uri = orig_script_name;
}
}
if (pt) {
efree(pt);
}
} 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) {
CGI_PUTENV("ORIG_SCRIPT_FILENAME", orig_script_filename);
}
script_path_translated = CGI_PUTENV("SCRIPT_FILENAME", script_path_translated);
}
if (env_redirect_url) {
if (orig_path_info) {
CGI_PUTENV("ORIG_PATH_INFO", orig_path_info);
CGI_PUTENV("PATH_INFO", NULL);
}
if (orig_path_translated) {
CGI_PUTENV("ORIG_PATH_TRANSLATED", orig_path_translated);
CGI_PUTENV("PATH_TRANSLATED", NULL);
}
}
if (env_script_name != orig_script_name) {
if (orig_script_name) {
CGI_PUTENV("ORIG_SCRIPT_NAME", orig_script_name);
}
SG(request_info).request_uri = CGI_PUTENV("SCRIPT_NAME", env_script_name);
} else {
SG(request_info).request_uri = env_script_name;
}
efree(real_path);
}
} else {
/* 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 (!CGIG(discard_path) && env_path_translated) {
script_path_translated = env_path_translated;
}
}
if (is_valid_path(script_path_translated)) {
SG(request_info).path_translated = estrdup(script_path_translated);
}
SG(request_info).request_method = CGI_GETENV("REQUEST_METHOD");
/* FIXME - Work out proto_num here */
SG(request_info).query_string = CGI_GETENV("QUERY_STRING");
SG(request_info).content_type = (content_type ? content_type : "" );
SG(request_info).content_length = (content_length ? atol(content_length) : 0);
/* The CGI RFC allows servers to pass on unvalidated Authorization data */
auth = CGI_GETENV("HTTP_AUTHORIZATION");
php_handle_auth_data(auth);
}
}
/* }}} */
#ifndef PHP_WIN32
/**
* Clean up child processes upon exit
*/
void fastcgi_cleanup(int signal)
{
#ifdef DEBUG_FASTCGI
fprintf(stderr, "FastCGI shutdown, pid %d\n", getpid());
#endif
sigaction(SIGTERM, &old_term, 0);
/* Kill all the processes in our process group */
kill(-pgroup, SIGTERM);
if (parent && parent_waiting) {
exit_signal = 1;
} else {
exit(0);
}
}
#else
BOOL WINAPI fastcgi_cleanup(DWORD sig)
{
int i = kids;
EnterCriticalSection(&cleanup_lock);
cleaning_up = 1;
LeaveCriticalSection(&cleanup_lock);
while (0 < i--) {
if (NULL == kid_cgi_ps[i]) {
continue;
}
TerminateProcess(kid_cgi_ps[i], 0);
CloseHandle(kid_cgi_ps[i]);
kid_cgi_ps[i] = NULL;
}
if (job) {
CloseHandle(job);
}
parent = 0;
return TRUE;
}
#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)
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)
STD_PHP_INI_ENTRY("cgi.fix_pathinfo", "1", PHP_INI_SYSTEM, OnUpdateBool, fix_pathinfo, php_cgi_globals_struct, php_cgi_globals)
STD_PHP_INI_ENTRY("cgi.discard_path", "0", PHP_INI_SYSTEM, OnUpdateBool, discard_path, php_cgi_globals_struct, php_cgi_globals)
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
PHP_INI_END()
/* {{{ php_cgi_globals_ctor
*/
static void php_cgi_globals_ctor(php_cgi_globals_struct *php_cgi_globals)
{
#if defined(ZTS) && defined(PHP_WIN32)
ZEND_TSRMLS_CACHE_UPDATE();
#endif
php_cgi_globals->rfc2616_headers = 0;
php_cgi_globals->nph = 0;
php_cgi_globals->check_shebang_line = 1;
php_cgi_globals->force_redirect = 1;
php_cgi_globals->redirect_status_env = NULL;
php_cgi_globals->fix_pathinfo = 1;
php_cgi_globals->discard_path = 0;
php_cgi_globals->fcgi_logging = 1;
#ifdef PHP_WIN32
php_cgi_globals->impersonate = 0;
#endif
zend_hash_init(&php_cgi_globals->user_config_cache, 8, NULL, user_config_cache_entry_dtor, 1);
}
/* }}} */
/* {{{ PHP_MINIT_FUNCTION
*/
static PHP_MINIT_FUNCTION(cgi)
{
REGISTER_INI_ENTRIES();
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION
*/
static PHP_MSHUTDOWN_FUNCTION(cgi)
{
zend_hash_destroy(&CGIG(user_config_cache));
UNREGISTER_INI_ENTRIES();
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
static PHP_MINFO_FUNCTION(cgi)
{
DISPLAY_INI_ENTRIES();
}
/* }}} */
PHP_FUNCTION(apache_child_terminate) /* {{{ */
{
if (zend_parse_parameters_none()) {
return;
}
if (fcgi_is_fastcgi()) {
fcgi_terminate();
}
}
/* }}} */
PHP_FUNCTION(apache_request_headers) /* {{{ */
{
if (zend_parse_parameters_none()) {
return;
}
array_init(return_value);
if (fcgi_is_fastcgi()) {
fcgi_request *request = (fcgi_request*) SG(server_context);
fcgi_loadenv(request, sapi_add_request_header, return_value);
} else {
char buf[128];
char **env, *p, *q, *var, *val, *t = buf;
size_t alloc_size = sizeof(buf);
zend_ulong var_len;
for (env = environ; env != NULL && *env != NULL; env++) {
val = strchr(*env, '=');
if (!val) { /* malformed entry? */
continue;
}
var_len = val - *env;
if (var_len >= alloc_size) {
alloc_size = var_len + 64;
t = (t == buf ? emalloc(alloc_size): erealloc(t, alloc_size));
}
var = *env;
if (var_len > 5 &&
var[0] == 'H' &&
var[1] == 'T' &&
var[2] == 'T' &&
var[3] == 'P' &&
var[4] == '_') {
var_len -= 5;
if (var_len >= alloc_size) {
alloc_size = var_len + 64;
t = (t == buf ? emalloc(alloc_size): erealloc(t, alloc_size));
}
p = var + 5;
var = q = t;
/* First char keep uppercase */
*q++ = *p++;
while (*p) {
if (*p == '=') {
/* End of name */
break;
} else if (*p == '_') {
*q++ = '-';
p++;
/* First char after - keep uppercase */
if (*p && *p!='=') {
*q++ = *p++;
}
} else if (*p >= 'A' && *p <= 'Z') {
/* lowercase */
*q++ = (*p++ - 'A' + 'a');
} else {
*q++ = *p++;
}
}
*q = 0;
} else if (var_len == sizeof("CONTENT_TYPE")-1 &&
memcmp(var, "CONTENT_TYPE", sizeof("CONTENT_TYPE")-1) == 0) {
var = "Content-Type";
} else if (var_len == sizeof("CONTENT_LENGTH")-1 &&
memcmp(var, "CONTENT_LENGTH", sizeof("CONTENT_LENGTH")-1) == 0) {
var = "Content-Length";
} else {
continue;
}
val++;
add_assoc_string_ex(return_value, var, var_len, val);
}
if (t != buf && t != NULL) {
efree(t);
}
}
}
/* }}} */
static void add_response_header(sapi_header_struct *h, zval *return_value) /* {{{ */
{
if (h->header_len > 0) {
char *s;
size_t len = 0;
ALLOCA_FLAG(use_heap)
char *p = strchr(h->header, ':');
if (NULL != p) {
len = p - h->header;
}
if (len > 0) {
while (len != 0 && (h->header[len-1] == ' ' || h->header[len-1] == '\t')) {
len--;
}
if (len) {
s = do_alloca(len + 1, use_heap);
memcpy(s, h->header, len);
s[len] = 0;
do {
p++;
} while (*p == ' ' || *p == '\t');
add_assoc_stringl_ex(return_value, s, len, p, h->header_len - (p - h->header));
free_alloca(s, use_heap);
}
}
}
}
/* }}} */
PHP_FUNCTION(apache_response_headers) /* {{{ */
{
if (zend_parse_parameters_none() == FAILURE) {
return;
}
array_init(return_value);
zend_llist_apply_with_argument(&SG(sapi_headers).headers, (llist_apply_with_arg_func_t)add_response_header, return_value);
}
/* }}} */
ZEND_BEGIN_ARG_INFO(arginfo_no_args, 0)
ZEND_END_ARG_INFO()
static const zend_function_entry cgi_functions[] = {
PHP_FE(apache_child_terminate, arginfo_no_args)
PHP_FE(apache_request_headers, arginfo_no_args)
PHP_FE(apache_response_headers, arginfo_no_args)
PHP_FALIAS(getallheaders, apache_request_headers, arginfo_no_args)
PHP_FE_END
};
static zend_module_entry cgi_module_entry = {
STANDARD_MODULE_HEADER,
"cgi-fcgi",
cgi_functions,
PHP_MINIT(cgi),
PHP_MSHUTDOWN(cgi),
NULL,
NULL,
PHP_MINFO(cgi),
PHP_VERSION,
STANDARD_MODULE_PROPERTIES
};
/* {{{ main
*/
int main(int argc, char *argv[])
{
int free_query_string = 0;
int exit_status = SUCCESS;
int cgi = 0, c, i;
size_t len;
zend_file_handle file_handle;
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;
size_t ini_entries_len = 0;
/* end of temporary locals */
int max_requests = 500;
int requests = 0;
int fastcgi;
char *bindpath = NULL;
int fcgi_fd = 0;
fcgi_request *request = NULL;
int warmup_repeats = 0;
int repeats = 1;
int benchmark = 0;
#if HAVE_GETTIMEOFDAY
struct timeval start, end;
#else
time_t start, end;
#endif
#ifndef PHP_WIN32
int status = 0;
#endif
char *query_string;
char *decoded_query_string;
int skip_getopt = 0;
#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
#ifdef ZTS
php_tsrm_startup();
# ifdef PHP_WIN32
ZEND_TSRMLS_CACHE_UPDATE();
# endif
#endif
zend_signal_startup();
#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);
#endif
sapi_startup(&cgi_sapi_module);
fastcgi = fcgi_is_fastcgi();
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 (!fastcgi) {
/* 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((query_string = getenv("QUERY_STRING")) != NULL && strchr(query_string, '=') == NULL) {
/* we've got query string that has no = - apache CGI will pass it to command line */
unsigned char *p;
decoded_query_string = strdup(query_string);
php_url_decode(decoded_query_string, strlen(decoded_query_string));
for (p = (unsigned char *)decoded_query_string; *p && *p <= ' '; p++) {
/* skip all leading spaces */
}
if(*p == '-') {
skip_getopt = 1;
}
free(decoded_query_string);
}
while (!skip_getopt && (c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0, 2)) != -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 */
size_t 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 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;
case 's': /* generate highlighted HTML from source */
behavior = PHP_MODE_HIGHLIGHT;
break;
}
}
php_optind = orig_optind;
php_optarg = orig_optarg;
if (fastcgi || bindpath) {
/* Override SAPI callbacks */
cgi_sapi_module.ub_write = sapi_fcgi_ub_write;
cgi_sapi_module.flush = sapi_fcgi_flush;
cgi_sapi_module.read_post = sapi_fcgi_read_post;
cgi_sapi_module.getenv = sapi_fcgi_getenv;
cgi_sapi_module.read_cookies = sapi_fcgi_read_cookies;
}
#ifdef ZTS
SG(request_info).path_translated = NULL;
#endif
cgi_sapi_module.executable_location = argv[0];
if (!cgi && !fastcgi && !bindpath) {
cgi_sapi_module.additional_functions = additional_functions;
}
/* 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
free(bindpath);
return FAILURE;
}
/* 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)))
) {
zend_try {
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");
} zend_catch {
} zend_end_try();
#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
free(bindpath);
return FAILURE;
}
}
#ifndef HAVE_ATTRIBUTE_WEAK
fcgi_set_logger(fcgi_log);
#endif
if (bindpath) {
int backlog = 128;
if (getenv("PHP_FCGI_BACKLOG")) {
backlog = atoi(getenv("PHP_FCGI_BACKLOG"));
}
fcgi_fd = fcgi_listen(bindpath, backlog);
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();
}
/* 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;
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;
}
}
/* library is already initialized, now init our request */
request = fcgi_init_request(fcgi_fd, NULL, NULL, NULL);
/* Pre-fork or spawn, if required */
if (getenv("PHP_FCGI_CHILDREN")) {
char * children_str = getenv("PHP_FCGI_CHILDREN");
children = atoi(children_str);
if (children < 0) {
fprintf(stderr, "PHP_FCGI_CHILDREN is not valid\n");
return FAILURE;
}
fcgi_set_mgmt_var("FCGI_MAX_CONNS", sizeof("FCGI_MAX_CONNS")-1, children_str, strlen(children_str));
/* This is the number of concurrent requests, equals FCGI_MAX_CONNS */
fcgi_set_mgmt_var("FCGI_MAX_REQS", sizeof("FCGI_MAX_REQS")-1, children_str, strlen(children_str));
} else {
#ifdef PHP_WIN32
/* If this env var is set, the process was invoked as a child. Let
it show the original PHP_FCGI_CHILDREN value, while don't care
otherwise. */
char * children_str = getenv("PHP_FCGI_CHILDREN_FOR_KID");
if (children_str) {
char putenv_buf[sizeof("PHP_FCGI_CHILDREN")+5];
snprintf(putenv_buf, sizeof(putenv_buf), "%s=%s", "PHP_FCGI_CHILDREN", children_str);
putenv(putenv_buf);
putenv("PHP_FCGI_CHILDREN_FOR_KID=");
SetEnvironmentVariable("PHP_FCGI_CHILDREN", children_str);
SetEnvironmentVariable("PHP_FCGI_CHILDREN_FOR_KID", NULL);
}
#endif
fcgi_set_mgmt_var("FCGI_MAX_CONNS", sizeof("FCGI_MAX_CONNS")-1, "1", sizeof("1")-1);
fcgi_set_mgmt_var("FCGI_MAX_REQS", sizeof("FCGI_MAX_REQS")-1, "1", sizeof("1")-1);
}
#ifndef PHP_WIN32
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()) {
goto parent_out;
}
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);
zend_signal_init();
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
parent_waiting = 1;
while (1) {
if (wait(&status) >= 0) {
running--;
break;
} else if (exit_signal) {
break;
}
}
if (exit_signal) {
#if 0
while (running > 0) {
while (wait(&status) < 0) {
}
running--;
}
#endif
goto parent_out;
}
}
}
} else {
parent = 0;
zend_signal_init();
}
#else
if (children) {
wchar_t *cmd_line_tmp, cmd_line[PHP_WIN32_IOUTIL_MAXPATHLEN];
size_t cmd_line_len;
char kid_buf[16];
int i;
ZeroMemory(&kid_cgi_ps, sizeof(kid_cgi_ps));
kids = children < WIN32_MAX_SPAWN_CHILDREN ? children : WIN32_MAX_SPAWN_CHILDREN;
InitializeCriticalSection(&cleanup_lock);
SetConsoleCtrlHandler(fastcgi_cleanup, TRUE);
/* kids will inherit the env, don't let them spawn */
SetEnvironmentVariable("PHP_FCGI_CHILDREN", NULL);
/* instead, set a temporary env var, so then the child can read and
show the actual setting correctly. */
snprintf(kid_buf, 16, "%d", children);
SetEnvironmentVariable("PHP_FCGI_CHILDREN_FOR_KID", kid_buf);
/* The current command line is used as is. This should normally be no issue,
even if there were some I/O redirection. If some issues turn out, an
extra parsing might be needed here. */
cmd_line_tmp = GetCommandLineW();
if (!cmd_line_tmp) {
DWORD err = GetLastError();
char *err_text = php_win32_error_to_msg(err);
fprintf(stderr, "unable to get current command line: [0x%08lx]: %s\n", err, err_text);
php_win32_error_msg_free(err_text);
goto parent_out;
}
cmd_line_len = wcslen(cmd_line_tmp);
if (cmd_line_len > sizeof(cmd_line) - 1) {
fprintf(stderr, "command line is too long\n");
goto parent_out;
}
memmove(cmd_line, cmd_line_tmp, (cmd_line_len + 1)*sizeof(wchar_t));
job = CreateJobObject(NULL, NULL);
if (!job) {
DWORD err = GetLastError();
char *err_text = php_win32_error_to_msg(err);
fprintf(stderr, "unable to create job object: [0x%08lx]: %s\n", err, err_text);
php_win32_error_msg_free(err_text);
goto parent_out;
}
job_info.BasicLimitInformation.LimitFlags = JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE;
if (!SetInformationJobObject(job, JobObjectExtendedLimitInformation, &job_info, sizeof(job_info))) {
DWORD err = GetLastError();
char *err_text = php_win32_error_to_msg(err);
fprintf(stderr, "unable to configure job object: [0x%08lx]: %s\n", err, err_text);
php_win32_error_msg_free(err_text);
}
while (parent) {
EnterCriticalSection(&cleanup_lock);
if (cleaning_up) {
goto parent_loop_end;
}
LeaveCriticalSection(&cleanup_lock);
i = kids;
while (0 < i--) {
DWORD status;
if (NULL != kid_cgi_ps[i]) {
if(!GetExitCodeProcess(kid_cgi_ps[i], &status) || status != STILL_ACTIVE) {
CloseHandle(kid_cgi_ps[i]);
kid_cgi_ps[i] = NULL;
}
}
}
i = kids;
while (0 < i--) {
PROCESS_INFORMATION pi;
STARTUPINFOW si;
if (NULL != kid_cgi_ps[i]) {
continue;
}
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
ZeroMemory(&pi, sizeof(pi));
si.dwFlags = STARTF_USESTDHANDLES;
si.hStdOutput = INVALID_HANDLE_VALUE;
si.hStdInput = (HANDLE)_get_osfhandle(fcgi_fd);
si.hStdError = INVALID_HANDLE_VALUE;
if (CreateProcessW(NULL, cmd_line, NULL, NULL, TRUE, CREATE_NO_WINDOW, NULL, NULL, &si, &pi)) {
kid_cgi_ps[i] = pi.hProcess;
if (!AssignProcessToJobObject(job, pi.hProcess)) {
DWORD err = GetLastError();
char *err_text = php_win32_error_to_msg(err);
fprintf(stderr, "unable to assign child process to job object: [0x%08lx]: %s\n", err, err_text);
php_win32_error_msg_free(err_text);
}
CloseHandle(pi.hThread);
} else {
DWORD err = GetLastError();
char *err_text = php_win32_error_to_msg(err);
kid_cgi_ps[i] = NULL;
fprintf(stderr, "unable to spawn: [0x%08lx]: %s\n", err, err_text);
php_win32_error_msg_free(err_text);
}
}
WaitForMultipleObjects(kids, kid_cgi_ps, FALSE, INFINITE);
}
parent_loop_end:
/* restore my env */
SetEnvironmentVariable("PHP_FCGI_CHILDREN", kid_buf);
DeleteCriticalSection(&cleanup_lock);
goto parent_out;
} else {
parent = 0;
}
#endif /* WIN32 */
}
zend_first_try {
while (!skip_getopt && (c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 1, 2)) != -1) {
switch (c) {
case 'T':
benchmark = 1;
{
char *comma = strchr(php_optarg, ',');
if (comma) {
warmup_repeats = atoi(php_optarg);
repeats = atoi(comma + 1);
#ifdef HAVE_VALGRIND
if (warmup_repeats > 0) {
CALLGRIND_STOP_INSTRUMENTATION;
}
#endif
} else {
repeats = atoi(php_optarg);
}
}
#ifdef HAVE_GETTIMEOFDAY
gettimeofday(&start, NULL);
#else
time(&start);
#endif
break;
case 'h':
case '?':
if (request) {
fcgi_destroy_request(request);
}
fcgi_shutdown();
no_headers = 1;
SG(headers_sent) = 1;
php_cgi_usage(argv[0]);
php_output_end_all();
exit_status = 0;
goto out;
}
}
php_optind = orig_optind;
php_optarg = orig_optarg;
/* 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) {
SG(server_context) = fastcgi ? (void *)request : (void *) 1;
init_request_info(request);
if (!cgi && !fastcgi) {
while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0, 2)) != -1) {
switch (c) {
case 'a': /* interactive mode */
printf("Interactive mode enabled\n\n");
break;
case 'C': /* don't chdir to the script directory */
SG(options) |= SAPI_OPTION_NO_CHDIR;
break;
case 'e': /* enable extended info output */
CG(compiler_options) |= ZEND_COMPILE_EXTENDED_INFO;
break;
case 'f': /* parse file */
if (script_file) {
efree(script_file);
}
script_file = estrdup(php_optarg);
no_headers = 1;
break;
case 'i': /* php info & quit */
if (script_file) {
efree(script_file);
}
if (php_request_startup() == FAILURE) {
SG(server_context) = NULL;
php_module_shutdown();
free(bindpath);
return FAILURE;
}
if (no_headers) {
SG(headers_sent) = 1;
SG(request_info).no_headers = 1;
}
php_print_info(0xFFFFFFFF);
php_request_shutdown((void *) 0);
fcgi_shutdown();
exit_status = 0;
goto out;
case 'l': /* syntax check mode */
no_headers = 1;
behavior = PHP_MODE_LINT;
break;
case 'm': /* list compiled in modules */
if (script_file) {
efree(script_file);
}
SG(headers_sent) = 1;
php_printf("[PHP Modules]\n");
print_modules();
php_printf("\n[Zend Modules]\n");
print_extensions();
php_printf("\n");
php_output_end_all();
fcgi_shutdown();
exit_status = 0;
goto out;
case 'q': /* do not generate HTTP headers */
no_headers = 1;
break;
case 'v': /* show php version & quit */
if (script_file) {
efree(script_file);
}
no_headers = 1;
if (php_request_startup() == FAILURE) {
SG(server_context) = NULL;
php_module_shutdown();
free(bindpath);
return FAILURE;
}
SG(headers_sent) = 1;
SG(request_info).no_headers = 1;
#if ZEND_DEBUG
php_printf("PHP %s (%s) (built: %s %s) (DEBUG)\nCopyright (c) 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) The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version());
#endif
php_request_shutdown((void *) 0);
fcgi_shutdown();
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 */
if (SG(request_info).path_translated) efree(SG(request_info).path_translated);
SG(request_info).path_translated = script_file;
/* before registering argv to module exchange the *new* argv[0] */
/* we can achieve this without allocating more memory */
SG(request_info).argc = argc - (php_optind - 1);
SG(request_info).argv = &argv[php_optind - 1];
SG(request_info).argv[0] = script_file;
} else if (argc > php_optind) {
/* file is on command line, but not in -f opt */
if (SG(request_info).path_translated) efree(SG(request_info).path_translated);
SG(request_info).path_translated = estrdup(argv[php_optind]);
/* arguments after the file are considered script args */
SG(request_info).argc = argc - php_optind;
SG(request_info).argv = &argv[php_optind];
}
if (no_headers) {
SG(headers_sent) = 1;
SG(request_info).no_headers = 1;
}
/* all remaining arguments are part of the query string
* this section of code concatenates all remaining arguments
* into a single string, separating 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) {
size_t 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 || fastcgi) {
zend_stream_init_filename(&file_handle, SG(request_info).path_translated);
} else {
zend_stream_init_fp(&file_handle, stdin, "Standard input code");
}
/* request startup only after we've done all we can to
* get path_translated */
if (php_request_startup() == FAILURE) {
if (fastcgi) {
fcgi_finish_request(request, 1);
}
SG(server_context) = NULL;
php_module_shutdown();
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
*/
if (cgi || fastcgi || SG(request_info).path_translated) {
if (php_fopen_primary_script(&file_handle) == FAILURE) {
zend_try {
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");
}
} zend_catch {
} zend_end_try();
/* 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;
}
if (SG(request_info).path_translated) {
efree(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;
}
php_request_shutdown((void *) 0);
SG(server_context) = NULL;
php_module_shutdown();
sapi_shutdown();
#ifdef ZTS
tsrm_shutdown();
#endif
free(bindpath);
return FAILURE;
}
}
if (CGIG(check_shebang_line)) {
CG(skip_shebang) = 1;
}
switch (behavior) {
case PHP_MODE_STANDARD:
php_execute_script(&file_handle);
break;
case PHP_MODE_LINT:
PG(during_request_startup) = 0;
exit_status = php_lint_script(&file_handle);
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) == SUCCESS) {
zend_strip();
zend_file_handle_dtor(&file_handle);
php_output_teardown();
}
return SUCCESS;
break;
case PHP_MODE_HIGHLIGHT:
{
zend_syntax_highlighter_ini syntax_highlighter_ini;
if (open_file_for_scanning(&file_handle) == SUCCESS) {
php_get_highlight_struct(&syntax_highlighter_ini);
zend_highlight(&syntax_highlighter_ini);
if (fastcgi) {
goto fastcgi_request_done;
}
zend_file_handle_dtor(&file_handle);
php_output_teardown();
}
return SUCCESS;
}
break;
}
fastcgi_request_done:
{
if (SG(request_info).path_translated) {
efree(SG(request_info).path_translated);
SG(request_info).path_translated = NULL;
}
php_request_shutdown((void *) 0);
if (exit_status == 0) {
exit_status = EG(exit_status);
}
if (free_query_string && SG(request_info).query_string) {
free(SG(request_info).query_string);
SG(request_info).query_string = NULL;
}
}
if (!fastcgi) {
if (benchmark) {
if (warmup_repeats) {
warmup_repeats--;
if (!warmup_repeats) {
#ifdef HAVE_GETTIMEOFDAY
gettimeofday(&start, NULL);
#else
time(&start);
#endif
#ifdef HAVE_VALGRIND
CALLGRIND_START_INSTRUMENTATION;
#endif
}
continue;
} else {
repeats--;
if (repeats > 0) {
script_file = NULL;
php_optind = orig_optind;
php_optarg = orig_optarg;
continue;
}
}
}
break;
}
/* only fastcgi will get here */
requests++;
if (max_requests && (requests == max_requests)) {
fcgi_finish_request(request, 1);
free(bindpath);
if (max_requests != 1) {
/* no need to return exit_status of the last request */
exit_status = 0;
}
break;
}
/* end of fastcgi loop */
}
if (request) {
fcgi_destroy_request(request);
}
fcgi_shutdown();
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:
if (benchmark) {
int sec;
#ifdef HAVE_GETTIMEOFDAY
int usec;
gettimeofday(&end, NULL);
sec = (int)(end.tv_sec - start.tv_sec);
if (end.tv_usec >= start.tv_usec) {
usec = (int)(end.tv_usec - start.tv_usec);
} else {
sec -= 1;
usec = (int)(end.tv_usec + 1000000 - start.tv_usec);
}
fprintf(stderr, "\nElapsed time: %d.%06d sec\n", sec, usec);
#else
time(&end);
sec = (int)(end - start);
fprintf(stderr, "\nElapsed time: %d sec\n", sec);
#endif
}
parent_out:
SG(server_context) = NULL;
php_module_shutdown();
sapi_shutdown();
#ifdef ZTS
tsrm_shutdown();
#endif
#if defined(PHP_WIN32) && ZEND_DEBUG && 0
_CrtDumpMemoryLeaks();
#endif
return exit_status;
}
/* }}} */
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