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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
/* See the file COPYING for licensing information. */
#if defined HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <assert.h>
#include <debug.h>
#include <event2/event.h>
#include <radsec/radsec.h>
#include <radsec/radsec-impl.h>
int
rs_conn_create (struct rs_context *ctx, struct rs_connection **conn,
const char *config)
{
struct rs_connection *c;
c = (struct rs_connection *) malloc (sizeof(struct rs_connection));
if (!c)
return rs_err_ctx_push_fl (ctx, RSE_NOMEM, __FILE__, __LINE__, NULL);
memset (c, 0, sizeof(struct rs_connection));
c->ctx = ctx;
c->fd = -1;
if (config)
{
struct rs_realm *r = rs_conf_find_realm (ctx, config);
if (r)
{
struct rs_peer *p;
c->realm = r;
c->peers = r->peers; /* FIXME: Copy instead? */
for (p = c->peers; p; p = p->next)
p->conn = c;
c->tryagain = r->retries;
}
else
{
c->realm = rs_malloc (ctx, sizeof (struct rs_realm));
if (!c->realm)
return rs_err_ctx_push_fl (ctx, RSE_NOMEM, __FILE__, __LINE__,
NULL);
memset (c->realm, 0, sizeof (struct rs_realm));
}
}
if (conn)
*conn = c;
return RSE_OK;
}
void
rs_conn_set_type (struct rs_connection *conn, rs_conn_type_t type)
{
assert (conn);
assert (conn->realm);
conn->realm->type = type;
}
struct rs_error * /* FIXME: Return int as all the others? */
_rs_resolv (struct evutil_addrinfo **addr, rs_conn_type_t type,
const char *hostname, const char *service)
{
int err;
struct evutil_addrinfo hints, *res = NULL;
memset (&hints, 0, sizeof(struct evutil_addrinfo));
hints.ai_family = AF_INET; /* IPv4 only. TODO: Set AF_UNSPEC. */
hints.ai_flags = AI_ADDRCONFIG;
switch (type)
{
case RS_CONN_TYPE_NONE:
return _rs_err_create (RSE_INVALID_CONN, __FILE__, __LINE__, NULL, NULL);
case RS_CONN_TYPE_TCP:
/* Fall through. */
case RS_CONN_TYPE_TLS:
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
break;
case RS_CONN_TYPE_UDP:
/* Fall through. */
case RS_CONN_TYPE_DTLS:
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
break;
default:
return _rs_err_create (RSE_INVALID_CONN, __FILE__, __LINE__, NULL, NULL);
}
err = evutil_getaddrinfo (hostname, service, &hints, &res);
if (err)
return _rs_err_create (RSE_BADADDR, __FILE__, __LINE__,
"%s:%s: bad host name or service name (%s)",
hostname, service, evutil_gai_strerror(err));
*addr = res; /* Simply use first result. */
return NULL;
}
int
rs_conn_add_listener (struct rs_connection *conn, rs_conn_type_t type,
const char *hostname, int port)
{
return rs_err_conn_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
"%s: NYI", __func__);
}
int
rs_conn_disconnect (struct rs_connection *conn)
{
int err = 0;
assert (conn);
err = evutil_closesocket (conn->fd);
conn->fd = -1;
return err;
}
int
rs_conn_destroy (struct rs_connection *conn)
{
int err = 0;
assert (conn);
if (conn->is_connected)
{
err = rs_conn_disconnect (conn);
if (err)
return err;
}
/* NOTE: conn->realm is owned by context. */
/* NOTE: conn->peers is owned by context. */
if (conn->tev)
event_free (conn->tev);
if (conn->evb)
event_base_free (conn->evb);
return 0;
}
int
rs_conn_set_eventbase (struct rs_connection *conn, struct event_base *eb)
{
return rs_err_conn_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
"%s: NYI", __func__);
}
void
rs_conn_set_callbacks (struct rs_connection *conn, struct rs_conn_callbacks *cb)
{
assert (conn);
conn->user_dispatch_flag = 1;
memcpy (&conn->callbacks, cb, sizeof (conn->callbacks));
}
void
rs_conn_del_callbacks (struct rs_connection *conn)
{
assert (conn);
conn->user_dispatch_flag = 0;
memset (&conn->callbacks, 0, sizeof (conn->callbacks));
}
struct rs_conn_callbacks *
rs_conn_get_callbacks(struct rs_connection *conn)
{
assert (conn);
return &conn->callbacks;
}
int
rs_conn_select_peer (struct rs_connection *conn, const char *name)
{
return rs_err_conn_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
"%s: NYI", __func__);
}
int
rs_conn_get_current_peer (struct rs_connection *conn, const char *name,
size_t buflen)
{
return rs_err_conn_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
"%s: NYI", __func__);
}
int rs_conn_fd (struct rs_connection *conn)
{
assert (conn);
assert (conn->active_peer);
return conn->fd;
}
|
