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160 lines
4.3 KiB
C
160 lines
4.3 KiB
C
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/*
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+----------------------------------------------------------------------+
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| PHP HTML Embedded Scripting Language Version 3.0 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997,1998 PHP Development Team (See Credits file) |
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+----------------------------------------------------------------------+
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| This program is free software; you can redistribute it and/or modify |
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| it under the terms of one of the following licenses: |
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| |
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| A) the GNU General Public License as published by the Free Software |
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| Foundation; either version 2 of the License, or (at your option) |
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| any later version. |
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| |
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| B) the PHP License as published by the PHP Development Team and |
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| included in the distribution in the file: LICENSE |
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| |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU General Public License for more details. |
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| |
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| You should have received a copy of both licenses referred to here. |
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| If you did not, or have any questions about PHP licensing, please |
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| contact core@php.net. |
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+----------------------------------------------------------------------+
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| Authors: Jim Winstead <jimw@php.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifdef THREAD_SAFE
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#include "tls.h"
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#endif
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#include "php.h"
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#include "pageinfo.h"
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#include <stdio.h>
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#include <stdlib.h>
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#if HAVE_PWD_H
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#if MSVC5
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#include "win32/pwd.h"
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#else
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#include <pwd.h>
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#endif
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#endif
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <sys/stat.h>
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#if MSVC5
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#include <process.h>
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#endif
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#ifndef THREAD_SAFE
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static long page_uid = -1;
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static long page_inode = -1;
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static long page_mtime = -1;
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#endif
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static void _php3_statpage(void)
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{
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#if !APACHE
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char *path;
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struct stat sb;
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#endif
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TLS_VARS;
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#if APACHE
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/* Apache has already gone through the trouble of doing
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the stat(), so the only real overhead is copying three
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values. We can afford it, and it means we don't have to
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worry about resetting the static variables after every
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hit. */
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GLOBAL(page_uid) = GLOBAL(php3_rqst)->finfo.st_uid;
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GLOBAL(page_inode) = GLOBAL(php3_rqst)->finfo.st_ino;
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GLOBAL(page_mtime) = GLOBAL(php3_rqst)->finfo.st_mtime;
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#else
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if (GLOBAL(page_uid) == -1) {
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path = GLOBAL(request_info).filename;
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if (path != NULL) {
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if (stat(path, &sb) == -1) {
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php3_error(E_WARNING, "Unable to find file: '%s'", path);
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return;
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}
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GLOBAL(page_uid) = sb.st_uid;
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GLOBAL(page_inode) = sb.st_ino;
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GLOBAL(page_mtime) = sb.st_mtime;
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}
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}
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#endif
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}
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long _php3_getuid(void)
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{
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TLS_VARS;
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_php3_statpage();
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return (GLOBAL(page_uid));
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}
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/* {{{ proto int getmyuid(void)
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Get PHP script owner's UID */
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void php3_getmyuid(INTERNAL_FUNCTION_PARAMETERS)
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{
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long uid;
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TLS_VARS;
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uid = _php3_getuid();
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if (uid < 0) {
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RETURN_FALSE;
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} else {
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RETURN_LONG(uid);
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}
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}
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/* }}} */
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/* {{{ proto int getmypid(void)
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Get current process ID */
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void php3_getmypid(INTERNAL_FUNCTION_PARAMETERS)
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{
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int pid;
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TLS_VARS;
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pid = getpid();
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if (pid < 0) {
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RETURN_FALSE;
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} else {
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RETURN_LONG((long) pid);
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}
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}
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/* }}} */
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/* {{{ proto int getmyinode(void)
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Get the inode of the current script being parsed */
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void php3_getmyinode(INTERNAL_FUNCTION_PARAMETERS)
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{
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TLS_VARS;
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_php3_statpage();
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if (GLOBAL(page_inode) < 0) {
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RETURN_FALSE;
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} else {
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RETURN_LONG(GLOBAL(page_inode));
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}
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}
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/* }}} */
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/* {{{ proto int getlastmod(void)
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Get time of last page modification */
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void php3_getlastmod(INTERNAL_FUNCTION_PARAMETERS)
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{
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TLS_VARS;
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_php3_statpage();
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if (GLOBAL(page_mtime) < 0) {
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RETURN_FALSE;
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} else {
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RETURN_LONG(GLOBAL(page_mtime));
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}
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}
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/* }}} */
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