1 /* $Id: urlcheck.h,v 1.15 2012/09/20 08:31:49 manu Exp $ */
2 
3 /*
4  * Copyright (c) 2006-2007 Emmanuel Dreyfus
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *        This product includes software developed by Emmanuel Dreyfus
18  *
19  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
20  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
23  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
27  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
29  * OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <curl/curl.h>
33 #include "prop.h"
34 
35 struct urlcheck_cnx {
36 	CURL *uc_hdl;
37 	int uc_pipe_req[2];
38 	int uc_pipe_rep[2];
39 	pid_t uc_pid;
40 	time_t uc_old;
41 	pthread_mutex_t uc_lock;
42 };
43 
44 struct urlcheck_entry {
45 	char u_name[QSTRLEN + 1];
46 	char u_url[QSTRLEN + 1];
47 	int u_maxcnx;
48 	int u_flags;
49 	struct urlcheck_cnx *u_cnxpool;
50 	LIST_ENTRY(urlcheck_entry) u_list;
51 };
52 
53 /* For u_flags */
54 #define U_POSTMSG	0x01
55 #define U_GETPROP	0x02
56 #define U_CLEARPROP	0x04
57 #define U_FORK		0x10
58 #define U_NOENCODE	0x20
59 
60 #define URLCHECK_HELPER_TIMEOUT 60
61 
62 extern int urlcheck_gflags;
63 
64 struct urlcheck_entry *urlcheck_byname(char *);
65 void urlcheck_init(void);
66 void urlcheck_def_add(char *, char *, int, int);
67 void urlcheck_clear(void);
68 int urlcheck_validate(acl_data_t *, acl_stage_t,
69 		      struct acl_param *, struct mlfi_priv *);
70