2 * Copyright (c) 2012, JANET(UK)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of JANET(UK) nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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40 #include <trust_router/tr_dh.h>
41 #include <trust_router/tid.h>
46 {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
47 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
48 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
49 0x19, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F};
54 TIDC_INSTANCE *tidc_create ()
56 TIDC_INSTANCE *tidc = NULL;
58 if (tidc = malloc(sizeof(TIDC_INSTANCE)))
59 memset(tidc, 0, sizeof(TIDC_INSTANCE));
63 // TBD -- Add a flag, so we don't do this for the trust router */
64 if (NULL == (tidc->priv_dh = tr_create_dh_params(NULL, 0))) {
69 fprintf(stderr, "TIDC DH Parameters:\n");
70 DHparams_print_fp(stdout, tidc->priv_dh);
71 fprintf(stderr, "\n");
76 void tidc_destroy (TIDC_INSTANCE *tidc)
82 int tidc_open_connection (TIDC_INSTANCE *tidc,
89 err = gsscon_connect(server, TID_PORT, &conn);
92 err = gsscon_active_authenticate(conn, NULL, "trustidentity", gssctx);
100 int tidc_send_request (TIDC_INSTANCE *tidc,
106 TIDC_RESP_FUNC *resp_handler,
111 char *req_buf = NULL;
112 char *resp_buf = NULL;
113 size_t resp_buflen = 0;
115 TID_REQ *tid_req = NULL;
116 TR_MSG *resp_msg = NULL;
118 /* Create and populate a TID msg structure */
119 if ((!(msg = malloc(sizeof(TR_MSG)))) ||
120 (!(tid_req = malloc(sizeof(TID_REQ)))))
123 memset(tid_req, 0, sizeof(tid_req));
125 msg->msg_type = TID_REQUEST;
127 msg->tid_req = tid_req;
129 tid_req->conn = conn;
130 tid_req->gssctx = gssctx;
132 /* TBD -- error handling */
133 tid_req->rp_realm = tr_new_name(rp_realm);
134 tid_req->realm = tr_new_name(realm);
135 tid_req->comm = tr_new_name(comm);
137 tid_req->tidc_dh = tidc->priv_dh;
139 tid_req->resp_func = resp_handler;
140 tid_req->cookie = cookie;
142 /* Encode the request into a json string */
143 if (!(req_buf = tr_msg_encode(msg))) {
144 printf("Error encoding TID request.\n");
148 printf ("Sending TID request:\n");
149 printf ("%s\n", req_buf);
151 /* Send the request over the connection */
152 if (err = gsscon_write_encrypted_token (conn, gssctx, req_buf,
154 fprintf(stderr, "Error sending request over connection.\n");
158 /* TBD -- should queue request on instance, resps read in separate thread */
159 /* Read the response from the connection */
161 if (err = gsscon_read_encrypted_token(conn, gssctx, &resp_buf, &resp_buflen)) {
167 fprintf(stdout, "Response Received (%d bytes).\n", resp_buflen);
168 fprintf(stdout, "%s\n", resp_buf);
170 if (NULL == (resp_msg = tr_msg_decode(resp_buf, resp_buflen))) {
171 fprintf(stderr, "Error decoding response.\n");
175 /* TBD -- Check if this is actually a valid response */
176 if (!resp_msg->tid_resp) {
177 fprintf(stderr, "Error: No response in the response!\n");
181 /* Call the caller's response function */
182 (*tid_req->resp_func)(tidc, tid_req, resp_msg->tid_resp, cookie);
194 /* TBD -- free the decoded response */