tid_srcs = tid/tid_resp.c \
tid/tid_req.c \
tid/tids.c \
-tid/tidc.c
+tid/tidc.c \
+common/tr_rand_id.c
trp_srcs = trp/trp_conn.c \
trp/trps.c \
common/tr_name.c \
common/tr_constraint.c \
common/tr_dh.c \
+common/tr_rand_id.c \
tid/tid_req.c \
tid/tid_resp.c
trp_msgtst_SOURCES = trp/msgtst.c \
$(common_srcs) \
+common/tr_rand_id.c \
trp/trp_req.c \
trp/trp_upd.c \
tid/tid_resp.c \
jstr = tr_name_to_json_string(req->comm);
json_object_set_new(jreq, "community", jstr);
-
+
if (req->orig_coi) {
jstr = tr_name_to_json_string(req->orig_coi);
json_object_set_new(jreq, "orig_coi", jstr);
}
+ if (tid_req_get_request_id(req)) {
+ jstr = tr_name_to_json_string(tid_req_get_request_id(req));
+ json_object_set_new(jreq, "request_id", jstr);
+ }
+
json_object_set_new(jreq, "dh_info", tr_msg_encode_dh(req->tidc_dh));
if (req->cons)
json_t *jrealm = NULL;
json_t *jcomm = NULL;
json_t *jorig_coi = NULL;
+ json_t *jrequest_id = NULL;
json_t *jdh = NULL;
json_t *jpath = NULL;
json_t *jexpire_interval = NULL;
jpath = json_object_get(jreq, "path");
jexpire_interval = json_object_get(jreq, "expiration_interval");
- treq->rp_realm = tr_new_name((char *)json_string_value(jrp_realm));
- treq->realm = tr_new_name((char *)json_string_value(jrealm));
- treq->comm = tr_new_name((char *)json_string_value(jcomm));
+ treq->rp_realm = tr_new_name(json_string_value(jrp_realm));
+ treq->realm = tr_new_name(json_string_value(jrealm));
+ treq->comm = tr_new_name(json_string_value(jcomm));
/* Get DH Info from the request */
if (NULL == (jdh = json_object_get(jreq, "dh_info"))) {
/* store optional "orig_coi" field */
if (NULL != (jorig_coi = json_object_get(jreq, "orig_coi"))) {
- treq->orig_coi = tr_new_name((char *)json_string_value(jorig_coi));
+ treq->orig_coi = tr_new_name(json_string_value(jorig_coi));
+ }
+
+ /* store optional "request_id" field */
+ if (NULL != (jrequest_id = json_object_get(jreq, "request_id"))) {
+ tid_req_set_request_id(treq, tr_new_name(json_string_value(jrequest_id)));
}
treq->cons = (TR_CONSTRAINT_SET *) json_object_get(jreq, "constraints");
json_object_set_new(jresp, "orig_coi", jstr);
}
+ if (tid_resp_get_request_id(resp)) {
+ jstr = tr_name_to_json_string(tid_resp_get_request_id(resp));
+ json_object_set_new(jresp, "request_id", jstr);
+ }
+
if (NULL == resp->servers) {
tr_debug("tr_msg_encode_tidresp(): No servers to encode.");
}
json_t *jrealm = NULL;
json_t *jcomm = NULL;
json_t *jorig_coi = NULL;
+ json_t *jrequest_id = NULL;
json_t *jservers = NULL;
json_t *jerr_msg = NULL;
/* store optional "orig_coi" field */
if ((NULL != (jorig_coi = json_object_get(jresp, "orig_coi"))) &&
- (!json_is_object(jorig_coi))) {
+ json_is_string(jorig_coi)) {
tresp->orig_coi = tr_new_name(json_string_value(jorig_coi));
}
-
+
+ /* store optional "request_id" field */
+ if ((NULL != (jrequest_id = json_object_get(jresp, "request_id"))) &&
+ json_is_string(jrequest_id)) {
+ tid_resp_set_request_id(tresp, tr_new_name(json_string_value(jrequest_id)));
+ }
+
return tresp;
}
--- /dev/null
+/*
+ * Copyright (c) 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 <string.h>
+#include <openssl/rand.h>
+#include <talloc.h>
+
+#include <tr_rand_id.h>
+
+static char *bytes_to_hex(TALLOC_CTX *mem_ctx, const unsigned char *bytes, size_t len)
+{
+ char *hex = talloc_size(mem_ctx, 1 + len * 2 * sizeof(char));
+ char *p = NULL;
+
+ if (hex) {
+ p = hex;
+ while(len--) {
+ p += sprintf(p, "%02x", *(bytes++));
+ }
+ }
+
+ return hex;
+}
+
+/**
+ * Generate n random bytes of data
+ *
+ * @param dst destination buffer, at least n bytes long
+ * @param n number of bytes to generate
+ * @return -1 on error
+ */
+static int random_bytes(unsigned char *dst, size_t n)
+{
+ return RAND_pseudo_bytes(dst, n);
+}
+
+#define ID_LENGTH 15
+/**
+ * Generate a random ID
+ *
+ * @param mem_ctx talloc context for the result
+ * @return random string of hex characters or null if it is unable to generate them
+ */
+char *tr_random_id(TALLOC_CTX *mem_ctx)
+{
+ unsigned char bytes[ID_LENGTH];
+ char *hex = NULL;
+
+ if (random_bytes(bytes, ID_LENGTH) >= 0)
+ hex = bytes_to_hex(mem_ctx, bytes, ID_LENGTH);
+
+ return hex;
+}
struct tid_resp {
TID_RC result;
+ TR_NAME *request_id;
TR_NAME *err_msg;
TR_NAME *rp_realm;
TR_NAME *realm;
int resp_sent;
int conn;
int free_conn; /* free conn and gss ctx*/
+ TR_NAME *request_id;
gss_ctx_id_t gssctx;
int resp_rcvd;
TR_NAME *rp_realm;
--- /dev/null
+/*
+ * Copyright (c) 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.
+ *
+ */
+
+#ifndef TRUST_ROUTER_TR_RAND_ID_H
+#define TRUST_ROUTER_TR_RAND_ID_H
+
+char *tr_random_id(TALLOC_CTX *mem_ctx);
+
+#endif //TRUST_ROUTER_TR_RAND_ID_H
void tid_req_set_comm(TID_REQ *req, TR_NAME *comm);
TR_EXPORT TR_NAME *tid_req_get_orig_coi(TID_REQ *req);
void tid_req_set_rp_orig_coi(TID_REQ *req, TR_NAME *orig_coi);
+TR_EXPORT TR_NAME *tid_req_get_request_id(TID_REQ *req);
+void tid_req_set_request_id(TID_REQ *req, TR_NAME *request_id);
TR_EXPORT TIDC_RESP_FUNC *tid_req_get_resp_func(TID_REQ *req);
void tid_req_set_resp_func(TID_REQ *req, TIDC_RESP_FUNC *resp_func);
TR_EXPORT void *tid_req_get_cookie(TID_REQ *req);
void tid_resp_set_comm(TID_RESP *resp, TR_NAME *comm);
TR_EXPORT TR_NAME *tid_resp_get_orig_coi(TID_RESP *resp);
void tid_resp_set_orig_coi(TID_RESP *resp, TR_NAME *orig_coi);
+TR_EXPORT TR_NAME *tid_resp_get_request_id(TID_RESP *resp);
+void tid_resp_set_request_id(TID_RESP *resp, TR_NAME *request_id);
TR_EXPORT TID_SRVR_BLK *tid_resp_get_server(TID_RESP *resp, size_t index);
TR_EXPORT size_t tid_resp_get_num_servers(const TID_RESP *resp);
TR_EXPORT const TID_PATH *tid_resp_get_error_path(const TID_RESP *);
tr_free_name(req->comm);
if (req->orig_coi!=NULL)
tr_free_name(req->orig_coi);
+ if (req->request_id!=NULL)
+ tr_free_name(req->request_id);
return 0;
}
assert(req->json_references);
req->conn = -1;
req->free_conn = 1;
+ req->request_id = NULL;
return req;
}
req->orig_coi = orig_coi;
}
+void tid_req_set_request_id(TID_REQ *req, TR_NAME *request_id)
+{
+ req->request_id = request_id;
+}
+
+TR_NAME *tid_req_get_request_id(TID_REQ *req)
+{
+ return(req->request_id);
+}
+
TIDC_RESP_FUNC *tid_req_get_resp_func(TID_REQ *req)
{
return(req->resp_func);
tr_crit("tid_dup_req: Can't duplicate request (orig_coi).");
}
}
-
+
+ if (orig_req->request_id) {
+ if (NULL == (new_req->request_id = tr_dup_name(orig_req->request_id))) {
+ tr_crit("tid_dup_req: Can't duplicate request (request_id).");
+ }
+ }
+
return new_req;
}
tr_free_name(resp->comm);
if (resp->orig_coi!=NULL)
tr_free_name(resp->orig_coi);
+ if (resp->request_id!=NULL)
+ tr_free_name(resp->request_id);
return 0;
}
resp->cons=NULL;
resp->orig_coi=NULL;
resp->servers=NULL;
+ resp->request_id=NULL;
resp->error_path=NULL;
talloc_set_destructor((void *)resp, tid_resp_destructor);
}
resp->orig_coi = orig_coi;
}
+TR_EXPORT TR_NAME *tid_resp_get_request_id(TID_RESP *resp)
+{
+ return(resp->request_id);
+}
+
+void tid_resp_set_request_id(TID_RESP *resp, TR_NAME *request_id)
+{
+ resp->request_id = request_id;
+}
+
TR_EXPORT TID_SRVR_BLK *tid_resp_get_server(TID_RESP *resp,
size_t index)
{
#include <tr_msg.h>
#include <gsscon.h>
#include <tr_debug.h>
+#include <tr_rand_id.h>
int tmp_len = 32;
void *cookie)
{
TID_REQ *tid_req = NULL;
+ char *request_id = NULL;
int rc;
/* Create and populate a TID req structure */
tid_req->tidc_dh = tr_dh_dup(tidc->client_dh);
+ /* generate an ID */
+ request_id = tr_random_id(NULL);
+ if (request_id) {
+ if (tid_req->request_id = tr_new_name(request_id))
+ tr_debug("tidc_send_request: Created TID request ID: %s", request_id);
+ else
+ tr_debug("tidc_send_request: Unable to set request ID, proceeding without one");
+ talloc_free(request_id);
+ } else
+ tr_debug("tidc_send_request: Failed to generate a TID request ID, proceeding without one");
+
rc = tidc_fwd_request(tidc, tid_req, resp_handler, cookie);
goto cleanup;
error:
int tidc_fwd_request(TIDC_INSTANCE *tidc,
TID_REQ *tid_req,
- TIDC_RESP_FUNC *resp_handler,
+ TIDC_RESP_FUNC *resp_handler,
void *cookie)
{
char *req_buf = NULL;
size_t resp_buflen = 0;
TR_MSG *msg = NULL;
TR_MSG *resp_msg = NULL;
+ TID_RESP *tid_resp = NULL;
int err;
int rc = 0;
}
/* TBD -- Check if this is actually a valid response */
- if (TID_RESPONSE != tr_msg_get_msg_type(resp_msg)) {
+ tid_resp = tr_msg_get_resp(resp_msg);
+ if (tid_resp == NULL) {
tr_err( "tidc_fwd_request: Error, no response in the response!\n");
goto error;
}
+ /* Check whether the request IDs matched and warn if not. Do nothing if we don't get
+ * an ID on the return - it is not mandatory to preserve that field. */
+ if (tid_req->request_id) {
+ if ((tid_resp->request_id)
+ && (tr_name_cmp(tid_resp->request_id, tid_req->request_id) != 0)) {
+ /* Requests present but do not match */
+ tr_warning("tidc_fwd_request: Sent request ID %.*s, received response for %.*s",
+ tid_req->request_id->len, tid_req->request_id->buf,
+ tid_resp->request_id->len, tid_resp->request_id->buf);
+ }
+ } else if (tid_resp->request_id) {
+ tr_warning("tidc_fwd_request: Sent request without ID, received response for %.*s",
+ tid_resp->request_id->len, tid_resp->request_id->buf);
+ }
+
if (resp_handler) {
/* Call the caller's response function. It must copy any data it needs before returning. */
tr_debug("tidc_fwd_request: calling response callback function.");
goto cleanup;
}
}
+ if (req->request_id) {
+ if (NULL == (resp->request_id = tr_dup_name(req->request_id))) {
+ tr_crit("tids_create_response: Error allocating fields in response.");
+ goto cleanup;
+ }
+ }
success=1;
goto cleanup;
}
- tr_debug("tr_tids_req_handler: Request received (conn = %d)! Realm = %s, Comm = %s", orig_req->conn,
+ tr_debug("tr_tids_req_handler: Request received (conn = %d)! Realm = %s, Comm = %s", orig_req->conn,
orig_req->realm->buf, orig_req->comm->buf);
+ if (orig_req->request_id)
+ tr_debug("tr_tids_req_handler: TID request ID: %.*s", orig_req->request_id->len, orig_req->request_id->buf);
+ else
+ tr_debug("tr_tids_req_handler: TID request ID: none");
+
tids->req_count++;
/* Duplicate the request, so we can modify and forward it */
projects / trust_router.git / commitdiff