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39 #include <tr_filter.h>
40 #include <tid_internal.h>
41 #include <tr_config.h>
47 /* Structure to hold TR instance and original request in one cookie */
48 typedef struct tr_resp_cookie {
54 static void tr_tidc_resp_handler (TIDC_INSTANCE *tidc,
59 tr_debug("tr_tidc_resp_handler: Response received (conn = %d)! Realm = %s, Community = %s.", ((TR_RESP_COOKIE *)resp_cookie)->orig_req->conn, resp->realm->buf, resp->comm->buf);
62 /* TBD -- handle concatentation of multiple responses to single req */
63 tids_send_response(((TR_RESP_COOKIE *)resp_cookie)->tr->tids,
64 ((TR_RESP_COOKIE *)resp_cookie)->orig_req,
70 static int tr_tids_req_handler (TIDS_INSTANCE *tids,
75 TIDC_INSTANCE *tidc = NULL;
76 TR_RESP_COOKIE resp_cookie;
77 TR_AAA_SERVER *aaa_servers = NULL;
79 TID_REQ *fwd_req = NULL;
80 TR_COMM *cfg_comm = NULL;
81 TR_COMM *cfg_apc = NULL;
82 TR_INSTANCE *tr = (TR_INSTANCE *) tr_in;
83 int oaction = TR_FILTER_ACTION_REJECT;
86 if ((!tids) || (!orig_req) || (!resp) || (!tr)) {
87 tr_debug("tr_tids_req_handler: Bad parameters");
91 tr_debug("tr_tids_req_handler: Request received (conn = %d)! Realm = %s, Comm = %s", orig_req->conn,
92 orig_req->realm->buf, orig_req->comm->buf);
96 /* Duplicate the request, so we can modify and forward it */
97 if (NULL == (fwd_req = tid_dup_req(orig_req))) {
98 tr_debug("tr_tids_req_handler: Unable to duplicate request.");
102 if (NULL == (cfg_comm = tr_comm_lookup(tids->cookie, orig_req->comm))) {
103 tr_notice("tr_tids_req_hander: Request for unknown comm: %s.", orig_req->comm->buf);
104 tids_send_err_response(tids, orig_req, "Unknown community");
108 /* Check that the rp_realm matches the filter for the GSS name that
111 if ((!(tr)->rp_gss) ||
112 (!(tr)->rp_gss->filter)) {
113 tr_notice("tr_tids_req_handler: No GSS name for incoming request.");
114 tids_send_err_response(tids, orig_req, "No GSS name for request");
118 if ((TR_FILTER_NO_MATCH == tr_filter_process_rp_permitted(orig_req->rp_realm, (tr)->rp_gss->filter, orig_req->cons, &fwd_req->cons, &oaction)) ||
119 (TR_FILTER_ACTION_REJECT == oaction)) {
120 tr_notice("tr_tids_req_handler: RP realm (%s) does not match RP Realm filter for GSS name", orig_req->rp_realm->buf);
121 tids_send_err_response(tids, orig_req, "RP Realm filter error");
124 /* Check that the rp_realm is a member of the community in the request */
125 if (NULL == (tr_find_comm_rp(cfg_comm, orig_req->rp_realm))) {
126 tr_notice("tr_tids_req_handler: RP Realm (%s) not member of community (%s).", orig_req->rp_realm->buf, orig_req->comm->buf);
127 tids_send_err_response(tids, orig_req, "RP COI membership error");
131 /* Map the comm in the request from a COI to an APC, if needed */
132 if (TR_COMM_COI == cfg_comm->type) {
133 tr_debug("tr_tids_req_handler: Community was a COI, switching.");
134 /* TBD -- In theory there can be more than one? How would that work? */
135 if ((!cfg_comm->apcs) || (!cfg_comm->apcs->id)) {
136 tr_notice("No valid APC for COI %s.", orig_req->comm->buf);
137 tids_send_err_response(tids, orig_req, "No valid APC for community");
140 apc = tr_dup_name(cfg_comm->apcs->id);
142 /* Check that the APC is configured */
143 if (NULL == (cfg_apc = tr_comm_lookup(tids->cookie, apc))) {
144 tr_notice("tr_tids_req_hander: Request for unknown comm: %s.", apc->buf);
145 tids_send_err_response(tids, orig_req, "Unknown APC");
150 fwd_req->orig_coi = orig_req->comm;
152 /* Check that rp_realm is a member of this APC */
153 if (NULL == (tr_find_comm_rp(cfg_apc, orig_req->rp_realm))) {
154 tr_notice("tr_tids_req_hander: RP Realm (%s) not member of community (%s).", orig_req->rp_realm->buf, orig_req->comm->buf);
155 tids_send_err_response(tids, orig_req, "RP APC membership error");
160 /* Find the AAA server(s) for this request */
161 if (NULL == (aaa_servers = tr_idp_aaa_server_lookup((TR_INSTANCE *)tids->cookie,
164 tr_debug("tr_tids_req_handler: No AAA Servers for realm %s, defaulting.", orig_req->realm->buf);
165 if (NULL == (aaa_servers = tr_default_server_lookup ((TR_INSTANCE *)tids->cookie,
167 tr_notice("tr_tids_req_handler: No default AAA servers, discarded.");
168 tids_send_err_response(tids, orig_req, "No path to AAA Server(s) for realm");
172 /* if we aren't defaulting, check idp coi and apc membership */
173 if (NULL == (tr_find_comm_idp(cfg_comm, fwd_req->realm))) {
174 tr_notice("tr_tids_req_handler: IDP Realm (%s) not member of community (%s).", orig_req->realm->buf, orig_req->comm->buf);
175 tids_send_err_response(tids, orig_req, "IDP community membership error");
178 if ( cfg_apc && (NULL == (tr_find_comm_idp(cfg_apc, fwd_req->realm)))) {
179 tr_notice("tr_tids_req_handler: IDP Realm (%s) not member of APC (%s).", orig_req->realm->buf, orig_req->comm->buf);
180 tids_send_err_response(tids, orig_req, "IDP APC membership error");
185 /* send a TID request to the AAA server(s), and get the answer(s) */
186 /* TBD -- Handle multiple servers */
189 fwd_req->expiration_interval = cfg_apc->expiration_interval;
190 else fwd_req->expiration_interval = cfg_comm->expiration_interval;
191 /* Create a TID client instance */
192 if (NULL == (tidc = tidc_create())) {
193 tr_crit("tr_tids_req_hander: Unable to allocate TIDC instance.");
194 tids_send_err_response(tids, orig_req, "Memory allocation failure");
197 /* Use the DH parameters from the original request */
198 /* TBD -- this needs to be fixed when we handle more than one req per conn */
199 tidc->client_dh = orig_req->tidc_dh;
201 /* Save information about this request for the response */
203 resp_cookie.orig_req = orig_req;
205 /* Set-up TID connection */
206 if (-1 == (fwd_req->conn = tidc_open_connection(tidc,
207 aaa_servers->hostname->buf,
209 &(fwd_req->gssctx)))) {
210 tr_notice("tr_tids_req_handler: Error in tidc_open_connection.");
211 tids_send_err_response(tids, orig_req, "Can't open connection to next hop TIDS");
215 /* Send a TID request */
216 if (0 > (rc = tidc_fwd_request(tidc, fwd_req, &tr_tidc_resp_handler, (void *)&resp_cookie))) {
217 tr_notice("Error from tidc_fwd_request, rc = %d.", rc);
218 tids_send_err_response(tids, orig_req, "Can't forward request to next hop TIDS");
219 tid_req_free(orig_req);
223 tid_req_free(orig_req);
227 static int tr_tids_gss_handler(gss_name_t client_name, TR_NAME *gss_name,
231 TR_INSTANCE *tr = (TR_INSTANCE *) tr_in;
233 if ((!client_name) || (!gss_name) || (!tr)) {
234 tr_debug("tr_tidc_gss_handler: Bad parameters.");
238 /* look up the RP client matching the GSS name */
239 if ((NULL == (rp = tr_rp_client_lookup(tr, gss_name)))) {
240 tr_debug("tr_tids_gss_handler: Unknown GSS name %s", gss_name->buf);
244 /* Store the rp client in the TR_INSTANCE structure for now...
245 * TBD -- fix me for new tasking model. */
247 tr_debug("Client's GSS Name: %s", gss_name->buf);
253 int main (int argc, const char *argv[])
255 TR_INSTANCE *tr = NULL;
256 struct dirent **cfg_files = NULL;
257 TR_CFG_RC rc = TR_CFG_SUCCESS; /* presume success */
260 /* parse command-line arguments? -- TBD */
262 /* Use standalone logging */
265 /* create a Trust Router instance */
266 if (NULL == (tr = tr_create())) {
267 tr_crit("Unable to create Trust Router instance, exiting.");
271 /* find the configuration files */
272 if (0 == (n = tr_find_config_files(&cfg_files))) {
273 tr_crit("Can't locate configuration files, exiting.");
277 if (TR_CFG_SUCCESS != tr_parse_config(tr, n, cfg_files)) {
278 tr_crit("Error decoding configuration information, exiting.");
282 /* apply initial configuration */
283 if (TR_CFG_SUCCESS != (rc = tr_apply_new_config(tr))) {
284 tr_crit("Error applying configuration, rc = %d.", rc);
288 /* initialize the trust path query server instance */
289 if (0 == (tr->tids = tids_create ())) {
290 tr_crit("Error initializing Trust Path Query Server instance.");
294 /* start the trust path query server, won't return unless fatal error. */
295 if (0 != (err = tids_start(tr->tids, &tr_tids_req_handler, &tr_tids_gss_handler, tr->active_cfg->internal->hostname, tr->active_cfg->internal->tids_port, (void *)tr))) {
296 tr_crit("Error from Trust Path Query Server, err = %d.", err);
300 tids_destroy(tr->tids);