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
|
#include <stdlib.h>
#include "mailfront-internal.h"
static RESPONSE(accept,250,0);
static RESPONSE(ok, 250, 0);
static RESPONSE(mustauth, 530, "5.7.1 You must authenticate first.");
static response resp;
static const response* raccept(str* s, str* params)
{
return &resp_accept;
(void)s;
(void)params;
}
static const response* reject(str* s, str* params)
{
const char* sr;
if ((sr = session_getenv("SMTPREJECT")) != 0
|| (sr = session_getenv("REJECT")) != 0) {
if (sr[0] == '-') {
++sr;
resp.number = 553;
}
else
resp.number = 451;
resp.message = (sr[0] != 0)
? sr
: "You are not allowed to use this mail server.";
return &resp;
}
return 0;
(void)s;
(void)params;
}
static const response* relayclient_recip(str* recipient, str* params)
{
const char* relayclient = session_getenv("RELAYCLIENT");
if (relayclient != 0) {
str_cats(recipient, relayclient);
return &resp_ok;
}
else if (session_getnum("authenticated", 0))
return &resp_ok;
return 0;
(void)params;
}
static const response* require_auth(str* s, str* params)
{
if (!session_getnum("authenticated", 0)
&& session_getenv("RELAYCLIENT") == 0)
return &resp_mustauth;
return 0;
(void)s;
(void)params;
}
struct plugin builtin_plugins[] = {
{
.name = "accept",
.sender = raccept,
.recipient = raccept,
},
{
.name = "accept-recipient",
.recipient = raccept,
},
{
.name = "accept-sender",
.sender = raccept,
},
{
.name = "force-file",
.flags = FLAG_NEED_FILE,
},
{
.name = "reject",
.sender = reject,
},
{
.name = "relayclient",
.recipient = relayclient_recip,
},
{
.name = "require-auth",
.sender = require_auth,
},
{ .name = 0 }
};
|
