1 /* Copyright 2010, 2011 NORDUnet A/S. All rights reserved.
2 See LICENSE for licensing information. */
4 #if defined HAVE_CONFIG_H
12 #include <event2/event.h>
13 #include <radsec/radsec.h>
14 #include <radsec/radsec-impl.h>
15 #include <radsec/request.h>
16 #include <radsec/request-impl.h>
17 #include <radius/client.h>
23 /* RFC 5080 2.2.1. Retransmission Behavior. */
28 #define RAND 100 /* Rand factor, milliseconds. */
31 rs_request_create (struct rs_connection *conn, struct rs_request **req_out)
33 struct rs_request *req = rs_malloc (conn->ctx, sizeof(*req));
36 return rs_err_conn_push_fl (conn, RSE_NOMEM, __FILE__, __LINE__, NULL);
37 memset (req, 0, sizeof(*req));
44 rs_request_add_reqpkt (struct rs_request *req, struct rs_packet *req_msg)
47 req->req_msg = req_msg;
51 rs_request_create_authn (struct rs_connection *conn,
52 struct rs_request **req_out,
53 const char *user_name,
57 struct rs_request *req = NULL;
60 if (rs_request_create (conn, &req))
63 if (rs_packet_create_authn_request (conn, &req->req_msg, user_name, user_pw, secret))
72 rs_request_destroy (struct rs_request *request)
75 assert (request->conn);
76 assert (request->conn->ctx);
79 rs_packet_destroy (request->req_msg);
80 rs_free (request->conn->ctx, request);
84 _rand_rt (struct timeval *res, uint32_t rtprev, uint32_t factor)
86 uint32_t ms = rtprev * (nr_rand () % factor);
87 res->tv_sec = rtprev + ms / 1000;
88 res->tv_usec = (ms % 1000) * 1000;
92 rs_request_send (struct rs_request *request, struct rs_packet **resp_msg)
95 struct rs_connection *conn = NULL;
97 struct timeval rt = {0,0};
98 struct timeval end = {0,0};
99 struct timeval now = {0,0};
100 struct timeval tmp_tv = {0,0};
101 const struct timeval mrt_tv = {MRT,0};
103 if (!request || !request->conn || !request->req_msg || !resp_msg)
104 return rs_err_conn_push_fl (conn, RSE_INVAL, __FILE__, __LINE__, NULL);
105 conn = request->conn;
106 assert (!conn_user_dispatch_p (conn)); /* This function is high level. */
108 gettimeofday (&end, NULL);
110 _rand_rt (&rt, IRT, RAND);
113 rs_conn_set_timeout (conn, &rt);
115 r = rs_packet_send (request->req_msg, NULL);
118 r = rs_conn_receive_packet (request->conn,
122 break; /* Success. */
124 if (r != RSE_TIMEOUT_CONN && r != RSE_TIMEOUT_IO)
127 else if (r != RSE_TIMEOUT_CONN && r != RSE_TIMEOUT_IO)
130 gettimeofday (&now, NULL);
131 if (++count > MRC || timercmp (&now, &end, >))
134 break; /* Timeout. */
137 /* rt = 2 * rt + rand_rt (rt, RAND); */
138 timeradd (&rt, &rt, &rt);
139 _rand_rt (&tmp_tv, IRT, RAND);
140 timeradd (&rt, &tmp_tv, &rt);
141 if (timercmp (&rt, &mrt_tv, >))
142 _rand_rt (&rt, MRT, RAND);
146 rs_conn_set_timeout (conn, &rt);
148 rs_debug (("%s: returning %d\n", __func__, r));
153 rs_request_get_reqmsg (const struct rs_request *request)
156 return request->req_msg;