xref: /PHP-7.4/ext/standard/ftok.c (revision 92ac598a)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 7                                                        |
4    +----------------------------------------------------------------------+
5    | Copyright (c) The PHP Group                                          |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 3.01 of the PHP license,      |
8    | that is bundled with this package in the file LICENSE, and is        |
9    | available through the world-wide-web at the following url:           |
10    | http://www.php.net/license/3_01.txt                                  |
11    | If you did not receive a copy of the PHP license and are unable to   |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@php.net so we can mail you a copy immediately.               |
14    +----------------------------------------------------------------------+
15    | Author: Andrew Sitnikov <sitnikov@infonet.ee>                        |
16    +----------------------------------------------------------------------+
17 */
18 
19 #include "php.h"
20 
21 #include <sys/types.h>
22 
23 #ifdef HAVE_SYS_IPC_H
24 #include <sys/ipc.h>
25 #endif
26 
27 #ifdef PHP_WIN32
28 #include "win32/ipc.h"
29 #endif
30 
31 #if HAVE_FTOK
32 /* {{{ proto int ftok(string pathname, string proj)
33    Convert a pathname and a project identifier to a System V IPC key */
PHP_FUNCTION(ftok)34 PHP_FUNCTION(ftok)
35 {
36 	char *pathname, *proj;
37 	size_t pathname_len, proj_len;
38 	key_t k;
39 
40 	ZEND_PARSE_PARAMETERS_START(2, 2)
41 		Z_PARAM_PATH(pathname, pathname_len)
42 		Z_PARAM_STRING(proj, proj_len)
43 	ZEND_PARSE_PARAMETERS_END();
44 
45 	if (pathname_len == 0){
46 		php_error_docref(NULL, E_WARNING, "Pathname is invalid");
47 		RETURN_LONG(-1);
48 	}
49 
50 	if (proj_len != 1){
51 		php_error_docref(NULL, E_WARNING, "Project identifier is invalid");
52 		RETURN_LONG(-1);
53 	}
54 
55 	if (php_check_open_basedir(pathname)) {
56 		RETURN_LONG(-1);
57 	}
58 
59 	k = ftok(pathname, proj[0]);
60 	if (k == -1) {
61 		php_error_docref(NULL, E_WARNING, "ftok() failed - %s", strerror(errno));
62 	}
63 
64 	RETURN_LONG(k);
65 }
66 /* }}} */
67 #endif
68