Merge pull request #100 from painless-security/milestone/monitoring

[trust_router.git] / mon / monc.c

diff --git a/mon/monc.c b/mon/monc.c
new file mode 100644 (file)
index 0000000..c16d328
--- /dev/null
+++ b/mon/monc.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2012, 2014-2018, JANET(UK)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of JANET(UK) nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdio.h>
+#include <jansson.h>
+#include <talloc.h>
+
+#include <trust_router/tr_dh.h>
+#include <mon_internal.h>
+#include <tr_msg.h>
+#include <gsscon.h>
+#include <tr_debug.h>
+
+
+MONC_INSTANCE *monc_new(TALLOC_CTX *mem_ctx)
+{
+  MONC_INSTANCE *monc=talloc(mem_ctx, MONC_INSTANCE);
+  if (monc!=NULL) {
+    monc->gssc = tr_gssc_instance_new(monc);
+    if (monc->gssc == NULL) {
+      talloc_free(monc);
+      return NULL;
+    }
+
+    monc->gssc->service_name = "trustmonitor";
+  }
+  return monc;
+}
+
+void monc_free(MONC_INSTANCE *monc)
+{
+  talloc_free(monc);
+}
+
+int monc_open_connection(MONC_INSTANCE *monc,
+                         const char *server,
+                         int port)
+{
+  return tr_gssc_open_connection(monc->gssc, server, port);
+}
+
+MON_RESP *monc_send_request(TALLOC_CTX *mem_ctx, MONC_INSTANCE *monc, MON_REQ *req)
+{
+  TALLOC_CTX *tmp_ctx = talloc_new(NULL);
+  TR_MSG *msg = NULL;
+  TR_MSG *resp_msg = NULL;
+  MON_RESP *resp = NULL;
+
+  /* Create and populate a msg structure */
+  if (!(msg = talloc_zero(tmp_ctx, TR_MSG)))
+    goto cleanup;
+
+  msg->msg_type = MON_REQUEST;
+  tr_msg_set_mon_req(msg, req);
+
+  resp_msg = tr_gssc_exchange_msgs(tmp_ctx, monc->gssc, msg);
+  if (resp_msg == NULL)
+    goto cleanup;
+
+  resp = tr_msg_get_mon_resp(resp_msg);
+
+  /* if we got a response, steal it from resp_msg's context so we can return it */
+  if (resp)
+    talloc_steal(mem_ctx, resp);
+
+cleanup:
+  talloc_free(tmp_ctx);
+  return resp;
+}