1 /* Copyright 2010, 2011 NORDUnet A/S. All rights reserved.
2 See the file COPYING 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 <freeradius/libradius.h>
22 /* RFC 5080 2.2.1. Retransmission Behavior. */
27 #define RAND 100 /* Rand factor, milliseconds. */
30 rs_request_create (struct rs_connection *conn, struct rs_request **req_out)
32 struct rs_request *req = rs_malloc (conn->ctx, sizeof(*req));
35 return rs_err_conn_push_fl (conn, RSE_NOMEM, __FILE__, __LINE__, NULL);
36 memset (req, 0, sizeof(*req));
43 rs_request_add_reqpkt (struct rs_request *req, struct rs_packet *reqpkt)
46 req->req_msg = reqpkt;
50 rs_request_create_authn (struct rs_connection *conn,
51 struct rs_request **req_out,
52 const char *user_name,
55 struct rs_request *req;
57 if (rs_request_create (conn, &req))
60 if (rs_packet_create_authn_request (conn, &req->req_msg, user_name, user_pw))
68 rs_request_destroy (struct rs_request *request)
71 rs_packet_destroy (request->req_msg);
72 rs_packet_destroy (request->resp_msg);
73 rs_free (request->conn->ctx, request);
77 _rand_rt (struct timeval *res, uint32_t rtprev, uint32_t factor)
79 uint32_t ms = rtprev * (fr_rand () % factor);
80 res->tv_sec = rtprev + ms / 1000;
81 res->tv_usec = (ms % 1000) * 1000;
85 rs_request_send (struct rs_request *request, struct rs_packet **resp_msg)
88 struct rs_connection *conn = NULL;
90 struct timeval rt = {0,0};
91 struct timeval end = {0,0};
92 struct timeval now = {0,0};
93 struct timeval tmp_tv = {0,0};
94 struct timeval mrt_tv = {MRT,0};
96 if (!request || !request->conn || !request->req_msg || !resp_msg)
97 return rs_err_conn_push_fl (conn, RSE_INVAL, __FILE__, __LINE__, NULL);
99 assert (!conn_user_dispatch_p (conn)); /* This function is high level. */
101 gettimeofday (&end, NULL);
103 _rand_rt (&rt, IRT, RAND);
106 rs_conn_set_timeout (conn, &rt);
107 r = rs_packet_send (request->req_msg, NULL);
110 r = rs_conn_receive_packet (request->conn,
114 break; /* Success. */
116 /* Timing out on receiving data or reconnecting a broken TCP
118 if (r != RSE_TIMEOUT_CONN && r != RSE_TIMEOUT_IO)
121 else if (r != RSE_TIMEOUT_CONN) /* Timeout on TCP connect is ok. */
124 gettimeofday (&now, NULL);
125 if (++count > MRC || timercmp (&now, &end, >))
128 break; /* Timeout. */
131 /* rt = 2 * rt + _rand_rt (rt, RAND); */
132 timeradd (&rt, &rt, &rt); /* rt = 2 * rt */
133 _rand_rt (&tmp_tv, IRT, RAND);
134 timeradd (&rt, &tmp_tv, &rt);
135 if (timercmp (&rt, &mrt_tv, >))
136 _rand_rt (&rt, MRT, RAND);
139 rs_debug (("%s: returning %d\n", __func__, r));