1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*
* Asterisk -- A telephony toolkit for Linux.
*
* Playback the special information tone to get rid of telemarketers
*
* Copyright (C) 1999 - 2005, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* This program is free software, distributed under the terms of
* the GNU General Public License
*/
#include <string.h>
#include <stdlib.h>
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/translate.h"
static char *tdesc = "Block Telemarketers with Special Information Tone";
static char *app = "Zapateller";
static char *synopsis = "Block telemarketers with SIT";
static char *descrip =
" Zapateller(options): Generates special information tone to block\n"
"telemarketers from calling you. Returns 0 normally or -1 on hangup.\n"
"Options is a pipe-delimited list of options. The following options\n"
"are available: 'answer' causes the line to be answered before playing\n"
"the tone, 'nocallerid' causes Zapateller to only play the tone if there\n"
"is no callerid information available. Options should be separated by |\n"
"characters\n";
STANDARD_LOCAL_USER;
LOCAL_USER_DECL;
static int zapateller_exec(struct ast_channel *chan, void *data)
{
int res = 0;
struct localuser *u;
int answer = 0, nocallerid = 0;
char *c;
char *stringp=NULL;
LOCAL_USER_ADD(u);
stringp=data;
c = strsep(&stringp, "|");
while(c && strlen(c)) {
if (!strcasecmp(c, "answer"))
answer = 1;
else if (!strcasecmp(c, "nocallerid"))
nocallerid = 1;
c = strsep(&stringp, "|");
}
ast_stopstream(chan);
if (chan->_state != AST_STATE_UP) {
if (answer)
res = ast_answer(chan);
if (!res) {
res = ast_safe_sleep(chan, 500);
}
}
if (chan->cid.cid_num && nocallerid) {
LOCAL_USER_REMOVE(u);
return res;
}
if (!res)
res = ast_tonepair(chan, 950, 0, 330, 0);
if (!res)
res = ast_tonepair(chan, 1400, 0, 330, 0);
if (!res)
res = ast_tonepair(chan, 1800, 0, 330, 0);
if (!res)
res = ast_tonepair(chan, 0, 0, 1000, 0);
LOCAL_USER_REMOVE(u);
return res;
}
int unload_module(void)
{
STANDARD_HANGUP_LOCALUSERS;
return ast_unregister_application(app);
}
int load_module(void)
{
return ast_register_application(app, zapateller_exec, synopsis, descrip);
}
char *description(void)
{
return tdesc;
}
int usecount(void)
{
int res;
STANDARD_USECOUNT(res);
return res;
}
char *key()
{
return ASTERISK_GPL_KEY;
}
|