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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/* Copyright (c) 2004-2018 Dovecot authors, see the included COPYING file */
#include "auth-common.h"
#include "passdb.h"
#ifdef PASSDB_CHECKPASSWORD
#include "password-scheme.h"
#include "db-checkpassword.h"
struct checkpassword_passdb_module {
struct passdb_module module;
struct db_checkpassword *db;
};
static void
auth_checkpassword_callback(struct auth_request *request,
enum db_checkpassword_status status,
const char *const *extra_fields,
verify_plain_callback_t *callback)
{
const char *scheme, *crypted_pass = NULL;
unsigned int i;
switch (status) {
case DB_CHECKPASSWORD_STATUS_INTERNAL_FAILURE:
callback(PASSDB_RESULT_INTERNAL_FAILURE, request);
return;
case DB_CHECKPASSWORD_STATUS_FAILURE:
callback(PASSDB_RESULT_PASSWORD_MISMATCH, request);
return;
case DB_CHECKPASSWORD_STATUS_OK:
break;
}
for (i = 0; extra_fields[i] != NULL; i++) {
if (str_begins(extra_fields[i], "password="))
crypted_pass = extra_fields[i]+9;
else if (extra_fields[i][0] != '\0') {
auth_request_set_field_keyvalue(request,
extra_fields[i], NULL);
}
}
if (crypted_pass != NULL) {
/* for cache */
scheme = password_get_scheme(&crypted_pass);
if (scheme != NULL) {
auth_request_set_field(request, "password",
crypted_pass, scheme);
} else {
e_error(authdb_event(request),
"password field returned without {scheme} prefix");
}
}
callback(PASSDB_RESULT_OK, request);
}
static void
checkpassword_verify_plain(struct auth_request *request, const char *password,
verify_plain_callback_t *callback)
{
struct passdb_module *_module = request->passdb->passdb;
struct checkpassword_passdb_module *module =
(struct checkpassword_passdb_module *)_module;
db_checkpassword_call(module->db, request, password,
auth_checkpassword_callback, callback);
}
static void
credentials_checkpassword_callback(struct auth_request *request,
enum db_checkpassword_status status,
const char *const *extra_fields,
lookup_credentials_callback_t *callback)
{
const char *scheme, *crypted_pass = NULL;
unsigned int i;
switch (status) {
case DB_CHECKPASSWORD_STATUS_INTERNAL_FAILURE:
callback(PASSDB_RESULT_INTERNAL_FAILURE, NULL, 0, request);
return;
case DB_CHECKPASSWORD_STATUS_FAILURE:
callback(PASSDB_RESULT_USER_UNKNOWN, NULL, 0, request);
return;
case DB_CHECKPASSWORD_STATUS_OK:
break;
}
for (i = 0; extra_fields[i] != NULL; i++) {
if (str_begins(extra_fields[i], "password="))
crypted_pass = extra_fields[i]+9;
else if (extra_fields[i][0] != '\0') {
auth_request_set_field_keyvalue(request,
extra_fields[i], NULL);
}
}
scheme = password_get_scheme(&crypted_pass);
if (scheme == NULL)
scheme = request->wanted_credentials_scheme;
passdb_handle_credentials(PASSDB_RESULT_OK, crypted_pass, scheme,
callback, request);
}
static void
checkpassword_lookup_credentials(struct auth_request *request,
lookup_credentials_callback_t *callback)
{
struct passdb_module *_module = request->passdb->passdb;
struct checkpassword_passdb_module *module =
(struct checkpassword_passdb_module *)_module;
db_checkpassword_call(module->db, request, NULL,
credentials_checkpassword_callback, callback);
}
static struct passdb_module *
checkpassword_preinit(pool_t pool, const char *args)
{
struct checkpassword_passdb_module *module;
const char *checkpassword_path = args;
const char *checkpassword_reply_path =
PKG_LIBEXECDIR"/checkpassword-reply";
module = p_new(pool, struct checkpassword_passdb_module, 1);
module->db = db_checkpassword_init(checkpassword_path,
checkpassword_reply_path);
return &module->module;
}
static void checkpassword_deinit(struct passdb_module *_module)
{
struct checkpassword_passdb_module *module =
(struct checkpassword_passdb_module *)_module;
db_checkpassword_deinit(&module->db);
}
struct passdb_module_interface passdb_checkpassword = {
"checkpassword",
checkpassword_preinit,
NULL,
checkpassword_deinit,
checkpassword_verify_plain,
checkpassword_lookup_credentials,
NULL
};
#else
struct passdb_module_interface passdb_checkpassword = {
.name = "checkpassword"
};
#endif
|
