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
|
/* Copyright (c) 2013-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "str.h"
#include "dsasl-client-private.h"
struct plain_dsasl_client {
struct dsasl_client client;
bool output_sent;
};
static int
mech_plain_input(struct dsasl_client *_client,
const unsigned char *input ATTR_UNUSED, size_t input_len,
const char **error_r)
{
struct plain_dsasl_client *client =
(struct plain_dsasl_client *)_client;
if (!client->output_sent) {
if (input_len > 0) {
*error_r = "Server sent non-empty initial response";
return -1;
}
} else {
*error_r = "Server didn't finish authentication";
return -1;
}
return 0;
}
static int
mech_plain_output(struct dsasl_client *_client,
const unsigned char **output_r, size_t *output_len_r,
const char **error_r)
{
struct plain_dsasl_client *client =
(struct plain_dsasl_client *)_client;
string_t *str;
if (_client->set.authid == NULL) {
*error_r = "authid not set";
return -1;
}
if (_client->password == NULL) {
*error_r = "password not set";
return -1;
}
str = str_new(_client->pool, 64);
if (_client->set.authzid != NULL)
str_append(str, _client->set.authzid);
str_append_c(str, '\0');
str_append(str, _client->set.authid);
str_append_c(str, '\0');
str_append(str, _client->password);
*output_r = str_data(str);
*output_len_r = str_len(str);
client->output_sent = TRUE;
return 0;
}
const struct dsasl_client_mech dsasl_client_mech_plain = {
.name = "PLAIN",
.struct_size = sizeof(struct plain_dsasl_client),
.input = mech_plain_input,
.output = mech_plain_output
};
|