pageinfo.c

Go to the documentation of this file.

/*
   +----------------------------------------------------------------------+
   | 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:           |
   | https://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: Jim Winstead <jimw@php.net>                                  |
   +----------------------------------------------------------------------+
*/
 
#include "php.h"
#include "pageinfo.h"
#include "SAPI.h"
 
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_PWD_H
#ifdef PHP_WIN32
#include "win32/pwd.h"
#else
#include <pwd.h>
#endif
#endif
#ifdef HAVE_GRP_H
# include <grp.h>
#endif
#ifdef PHP_WIN32
#undef getgid
#define getgroups(a, b) 0
#define getgid() 1
#define getuid() 1
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/stat.h>
#include <sys/types.h>
#ifdef PHP_WIN32
#include <process.h>
#endif
 
#include "ext/standard/basic_functions.h"
 
/* {{{ php_statpage */
PHPAPI void php_statpage(void)
{
    zend_stat_t *pstat = NULL;
 
    pstat = sapi_get_stat();
 
    if (BG(page_uid)==-1 || BG(page_gid)==-1) {
        if(pstat) {
            BG(page_uid)   = pstat->st_uid;
            BG(page_gid)   = pstat->st_gid;
            BG(page_inode) = pstat->st_ino;
            BG(page_mtime) = pstat->st_mtime;
        } else { /* handler for situations where there is no source file, ex. php -r */
            BG(page_uid) = getuid();
            BG(page_gid) = getgid();
        }
    }
}
/* }}} */
 
/* {{{ php_getuid */
zend_long php_getuid(void)
{
    php_statpage();
    return (BG(page_uid));
}
/* }}} */
 
zend_long php_getgid(void)
{
    php_statpage();
    return (BG(page_gid));
}
 
/* {{{ Get PHP script owner's UID */
PHP_FUNCTION(getmyuid)
{
    zend_long uid;
 
    ZEND_PARSE_PARAMETERS_NONE();
 
    uid = php_getuid();
    if (uid < 0) {
        RETURN_FALSE;
    } else {
        RETURN_LONG(uid);
    }
}
/* }}} */
 
/* {{{ Get PHP script owner's GID */
PHP_FUNCTION(getmygid)
{
    zend_long gid;
 
    ZEND_PARSE_PARAMETERS_NONE();
 
    gid = php_getgid();
    if (gid < 0) {
        RETURN_FALSE;
    } else {
        RETURN_LONG(gid);
    }
}
/* }}} */
 
/* {{{ Get current process ID */
PHP_FUNCTION(getmypid)
{
    zend_long pid;
 
    ZEND_PARSE_PARAMETERS_NONE();
 
    pid = getpid();
    if (pid < 0) {
        RETURN_FALSE;
    } else {
        RETURN_LONG(pid);
    }
}
/* }}} */
 
/* {{{ Get the inode of the current script being parsed */
PHP_FUNCTION(getmyinode)
{
    ZEND_PARSE_PARAMETERS_NONE();
 
    php_statpage();
    if (BG(page_inode) < 0) {
        RETURN_FALSE;
    } else {
        RETURN_LONG(BG(page_inode));
    }
}
/* }}} */
 
PHPAPI time_t php_getlastmod(void)
{
    php_statpage();
    return BG(page_mtime);
}
 
/* {{{ Get time of last page modification */
PHP_FUNCTION(getlastmod)
{
    zend_long lm;
 
    ZEND_PARSE_PARAMETERS_NONE();
 
    lm = php_getlastmod();
    if (lm < 0) {
        RETURN_FALSE;
    } else {
        RETURN_LONG(lm);
    }
}
/* }}} */