none kbd-scrolllock kbd-numlock [kbd-capslock] kbd-kanalock kbd-shiftlock kbd-altgrlock kbd-ctrllock kbd-altlock kbd-shiftllock kbd-shiftrlock kbd-ctrlllock kbd-ctrlrlock
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h none [kbd-scrolllock] kbd-numlock kbd-capslock kbd-kanalock kbd-shiftlock kbd-altgrlock kbd-ctrllock kbd-altlock kbd-shiftllock kbd-shiftrlock kbd-ctrlllock kbd-ctrlrlock
-4 4 /*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2016 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Rasmus Lerdorf |
| Ilia Alshanetsky |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include
#include "php.h"
#include
#include "php_string.h"
#include "ext/standard/head.h"
#include "ext/standard/file.h"
#include "basic_functions.h"
#include "exec.h"
#include "php_globals.h"
#include "SAPI.h"
#if HAVE_SYS_WAIT_H
#include
#endif
#if HAVE_SIGNAL_H
#include
#endif
#if HAVE_SYS_TYPES_H
#include
#endif
#if HAVE_SYS_STAT_H
#include
#endif
#if HAVE_FCNTL_H
#include
#endif
#if HAVE_UNISTD_H
#include
#endif
#if HAVE_LIMITS_H
#include
#endif
#ifdef PHP_WIN32
# include "win32/php_stdint.h"
#else
# if HAVE_INTTYPES_H
# include
# elif HAVE_STDINT_H
# include
# endif
#endif
static int cmd_max_len;
/* {{{ PHP_MINIT_FUNCTION(exec) */
PHP_MINIT_FUNCTION(exec)
{
#ifdef _SC_ARG_MAX
cmd_max_len = sysconf(_SC_ARG_MAX);
if (-1 == cmd_max_len) {
#ifdef _POSIX_ARG_MAX
cmd_max_len = _POSIX_ARG_MAX;
#else
cmd_max_len = 4096;
#endif
}
#elif defined(ARG_MAX)
cmd_max_len = ARG_MAX;
#elif defined(PHP_WIN32)
/* Executed commands will run through cmd.exe. As long as it's the case,
it's just the constant limit.*/
cmd_max_len = 8192;
#else
/* This is just an arbitrary value for the fallback case. */
cmd_max_len = 4096;
#endif
return SUCCESS;
}
/* }}} */
/* {{{ php_exec
* If type==0, only last line of output is returned (exec)
* If type==1, all lines will be printed and last lined returned (system)
* If type==2, all lines will be saved to given array (exec with &$array)
* If type==3, output will be printed binary, no lines will be saved or returned (passthru)
*
*/
PHPAPI int php_exec(int type, char *cmd, zval *array, zval *return_value TSRMLS_DC)
{
FILE *fp;
char *buf;
int l = 0, pclose_return;
char *b, *d=NULL;
php_stream *stream;
size_t buflen, bufl = 0;
#if PHP_SIGCHILD
void (*sig_handler)() = NULL;
#endif
#if PHP_SIGCHILD
sig_handler = signal (SIGCHLD, SIG_DFL);
#endif
#ifdef PHP_WIN32
fp = VCWD_POPEN(cmd, "rb");
#else
fp = VCWD