2 * Copyright (c) 2012, 2014-2015, JANET(UK)
5 * Redistribution and use in source and binary forms, with or without
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40 #include <trust_router/tr_dh.h>
41 #include <tid_internal.h>
48 /* creates struct in talloc null context */
49 TIDC_INSTANCE *tidc_create(void)
51 TIDC_INSTANCE *tidc=talloc(NULL, TIDC_INSTANCE);
53 tidc->gssc = tr_gssc_instance_new(tidc);
54 if (tidc->gssc == NULL) {
59 tidc->gssc->service_name = "trustidentity";
64 void tidc_destroy(TIDC_INSTANCE *tidc)
69 int tidc_open_connection (TIDC_INSTANCE *tidc,
74 unsigned int use_port = 0;
75 tidc->gssc->gss_ctx = gssctx;
82 tr_debug("tidc_open_connection: opening tidc connection to %s:%d", server, use_port);
83 if (0 == tr_gssc_open_connection(tidc->gssc, server, use_port))
84 return tidc->gssc->conn;
89 int tidc_send_request (TIDC_INSTANCE *tidc,
95 TIDC_RESP_FUNC *resp_handler,
98 TID_REQ *tid_req = NULL;
101 gss_ctx_id_t *orig_gss_ctx = NULL;
103 /* For ABI compatibility, replace the generic GSS client parameters
104 * with the arguments we were passed. */
105 orig_conn = tidc->gssc->conn; /* save to restore later */
106 if (conn != tidc->gssc->conn) {
107 tr_warning("tidc_send_request: WARNING: socket connection FD does not match FD opened by tidc_open_connection()");
108 tidc->gssc->conn = conn;
110 orig_gss_ctx = tidc->gssc->gss_ctx; /* save to restore later */
111 if (gssctx != *(tidc->gssc->gss_ctx)) {
112 tr_warning("tidc_send_request: WARNING: sending request with different GSS context than used for tidc_open_connection()");
113 *tidc->gssc->gss_ctx = gssctx;
116 /* Create and populate a TID req structure */
117 if (!(tid_req = tid_req_new()))
120 tid_req->conn = conn;
121 tid_req->gssctx = gssctx;
123 if ((NULL == (tid_req->rp_realm = tr_new_name(rp_realm))) ||
124 (NULL == (tid_req->realm = tr_new_name(realm))) ||
125 (NULL == (tid_req->comm = tr_new_name(comm)))) {
126 tr_err ( "tidc_send_request: Error duplicating names.\n");
130 tid_req->tidc_dh = tr_dh_dup(tidc->gssc->client_dh);
132 rc = tidc_fwd_request(tidc, tid_req, resp_handler, cookie);
138 tid_req_free(tid_req);
140 tidc->gssc->conn = orig_conn;
141 tidc->gssc->gss_ctx = orig_gss_ctx;
145 int tidc_fwd_request(TIDC_INSTANCE *tidc,
147 TIDC_RESP_FUNC *resp_handler,
150 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
152 TR_MSG *resp_msg = NULL;
155 /* Create and populate a TID msg structure */
156 if (!(msg = talloc_zero(tmp_ctx, TR_MSG)))
159 msg->msg_type = TID_REQUEST;
160 tr_msg_set_req(msg, tid_req);
163 tr_debug( "tidc_fwd_request: Sending TID request\n");
165 /* Send the request over the connection */
166 resp_msg = tr_gssc_exchange_msgs(tmp_ctx, tidc->gssc, msg);
167 if (resp_msg == NULL)
170 /* TBD -- Check if this is actually a valid response */
171 if (TID_RESPONSE != tr_msg_get_msg_type(resp_msg)) {
172 tr_err( "tidc_fwd_request: Error, no response in the response!\n");
177 /* Call the caller's response function. It must copy any data it needs before returning. */
178 tr_debug("tidc_fwd_request: calling response callback function.");
179 (*resp_handler)(tidc, tid_req, tr_msg_get_resp(resp_msg), cookie);
187 talloc_free(tmp_ctx);
192 DH * tidc_get_dh(TIDC_INSTANCE *inst)
194 return tr_gssc_get_dh(inst->gssc);
197 DH *tidc_set_dh(TIDC_INSTANCE *inst, DH *dh)
199 return tr_gssc_set_dh(inst->gssc, dh);