*/
#include <trust_router/tr_name.h>
+#include <tr_config.h>
#include <tr.h>
#include <tr_comm.h>
TR_COMM *tr_comm_lookup(TR_INSTANCE *tr, TR_NAME *comm)
{
+ TR_COMM *cfg_comm = NULL;
+
+ for (cfg_comm = tr->active_cfg->comms; NULL != cfg_comm; cfg_comm = cfg_comm->next) {
+ if ((cfg_comm->id->len == comm->len) &&
+ (!strncmp(cfg_comm->id->buf, comm->buf, comm->len)))
+ return cfg_comm;
+ }
return NULL;
}
{
TR_NAME *to;
- if (to = malloc(sizeof(TR_NAME))) {
+ if (!from) {
+ return NULL;
+ }
+
+ if (NULL != (to = malloc(sizeof(TR_NAME)))) {
to->len = from->len;
- if (to->buf = malloc(to->len+1)) {
+ if (NULL != (to->buf = malloc(to->len+1))) {
strncpy(to->buf, from->buf, from->len);
to->buf[to->len] = 0; /* NULL terminate for debugging printf()s */
}
}
-
return to;
}
--- /dev/null
+/*
+ * Copyright (c) 2012, 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 TR_APC_H
+#define TR_APC_H
+
+/* Used to hold lists of APC names in cfg. */
+typedef struct tr_apc {
+ struct tr_apc *next;
+ TR_NAME *id;
+} TR_APC;
+
+#endif
+
+
struct tid_req {
struct tid_req *next_req;
+ int resp_sent;
int conn;
gss_ctx_id_t gssctx;
int resp_rcvd;
TR_EXPORT int tidc_open_connection (TIDC_INSTANCE *tidc, char *server, gss_ctx_id_t *gssctx);
TR_EXPORT int tidc_send_request (TIDC_INSTANCE *tidc, int conn, gss_ctx_id_t gssctx, char *rp_realm, char *realm, char *coi, TIDC_RESP_FUNC *resp_handler, void *cookie);
TR_EXPORT int tidc_fwd_request (TIDC_INSTANCE *tidc, TID_REQ *req, TIDC_RESP_FUNC *resp_handler, void *cookie);
-TR_EXPORT int tids_send_response (TIDS_INSTANCE *tids, int conn, gss_ctx_id_t *gssctx, TID_RESP *resp);
TR_EXPORT void tidc_destroy (TIDC_INSTANCE *tidc);
TR_EXPORT TIDS_INSTANCE *tids_create (void);
TR_EXPORT int tids_start (TIDS_INSTANCE *tids, TIDS_REQ_FUNC *req_handler, void *cookie);
+TR_EXPORT int tids_send_response (TIDS_INSTANCE *tids, TID_REQ *req, TID_RESP *resp);
+TR_EXPORT int tids_send_err_response (TIDS_INSTANCE *tids, TID_REQ *req, const char *err_msg);
TR_EXPORT void tids_destroy (TIDS_INSTANCE *tids);
#endif
{
unsigned char *s_keybuf = NULL;
int s_keylen = 0;
- int i = 0;
char key_id[12];
- printf("Request received! target_realm = %s, community = %s\n", req->realm->buf, req->comm->buf);
+ fprintf(stdout, "tids_req_handler: Request received! target_realm = %s, community = %s\n", req->realm->buf, req->comm->buf);
if (tids)
tids->req_count++;
if (!(resp) || !(*resp)) {
- printf("tids_req_handler: No response structure.\n");
+ fprintf(stderr, "tids_req_handler: No response structure.\n");
return -1;
}
/* Allocate a new server block */
if (NULL == ((*resp)->servers = malloc(sizeof(TID_SRVR_BLK)))){
- printf("tids_req_handler(): malloc failed.\n");
+ fprintf(stderr, "tids_req_handler(): malloc failed.\n");
return -1;
}
memset((*resp)->servers, 0, sizeof(TID_SRVR_BLK));
/* TBD -- Set up the server IP Address */
if (!(req) || !(req->tidc_dh)) {
- printf("tids_req_handler(): No client DH info.\n");
+ fprintf(stderr, "tids_req_handler(): No client DH info.\n");
return -1;
}
if ((!req->tidc_dh->p) || (!req->tidc_dh->g)) {
- printf("tids_req_handler(): NULL dh values.\n");
+ fprintf(stderr, "tids_req_handler(): NULL dh values.\n");
return -1;
}
/* Generate the server DH block based on the client DH block */
- printf("Generating the server DH block.\n");
- printf("...from client DH block, dh_g = %s, dh_p = %s.\n", BN_bn2hex(req->tidc_dh->g), BN_bn2hex(req->tidc_dh->p));
+ // fprintf(stderr, "Generating the server DH block.\n");
+ // fprintf(stderr, "...from client DH block, dh_g = %s, dh_p = %s.\n", BN_bn2hex(req->tidc_dh->g), BN_bn2hex(req->tidc_dh->p));
if (NULL == ((*resp)->servers->aaa_server_dh = tr_create_matching_dh(NULL, 0, req->tidc_dh))) {
- printf("tids_req_handler(): Can't create server DH params.\n");
+ fprintf(stderr, "tids_req_handler(): Can't create server DH params.\n");
return -1;
}
if (0 == inet_aton(tids->ipaddr, &((*resp)->servers->aaa_server_addr))) {
- printf("tids_req_handler(): inet_aton() failed.\n");
+ fprintf(stderr, "tids_req_handler(): inet_aton() failed.\n");
return -1;
}
(*resp)->servers->key_name = tr_new_name(key_id);
/* Generate the server key */
- printf("Generating the server key.\n");
+ // fprintf(stderr, "Generating the server key.\n");
if (0 > (s_keylen = tr_compute_dh_key(&s_keybuf,
req->tidc_dh->pub_key,
(*resp)->servers->aaa_server_dh))) {
- printf("tids_req_handler(): Key computation failed.");
+ fprintf(stderr, "tids_req_handler(): Key computation failed.");
return -1;
}
- if (NULL != insert_stmt) {
- int sqlite3_result;
- sqlite3_bind_text(insert_stmt, 1, key_id, -1, SQLITE_TRANSIENT);
- sqlite3_bind_blob(insert_stmt, 2, s_keybuf, s_keylen, SQLITE_TRANSIENT);
- sqlite3_result = sqlite3_step(insert_stmt);
- if (SQLITE_DONE != sqlite3_result)
- printf("sqlite3: failed to write to database\n");
- sqlite3_reset(insert_stmt);
- }
-
- /* Print out the key. If this were a AAA server, we'd store the key. */
- printf("tids_req_handler(): Server Key Generated (len = %d):\n", s_keylen);
- for (i = 0; i < s_keylen; i++) {
- printf("%x", s_keybuf[i]);
+ if (NULL != insert_stmt) {
+ int sqlite3_result;
+ sqlite3_bind_text(insert_stmt, 1, key_id, -1, SQLITE_TRANSIENT);
+ sqlite3_bind_blob(insert_stmt, 2, s_keybuf, s_keylen, SQLITE_TRANSIENT);
+ sqlite3_result = sqlite3_step(insert_stmt);
+ if (SQLITE_DONE != sqlite3_result)
+ printf("sqlite3: failed to write to database\n");
+ sqlite3_reset(insert_stmt);
}
- printf("\n");
+
+ /* Print out the key. */
+ // fprintf(stderr, "tids_req_handler(): Server Key Generated (len = %d):\n", s_keylen);
+ // for (i = 0; i < s_keylen; i++) {
+ // fprintf(stderr, "%x", s_keybuf[i]);
+ // }
+ // fprintf(stderr, "\n");
+
return s_keylen;
}
/* Parse command-line arguments */
if (argc > 3)
- printf("Usage: %s [<ip-address> [<database-name>]]\n", argv[0]);
+ fprintf(stdout, "Usage: %s [<ip-address> [<database-name>]]\n", argv[0]);
if (argc >= 2) {
ipaddr = (char *)argv[1];
/*If we have a database, open and prepare*/
if (argc == 3) {
if (SQLITE_OK != sqlite3_open(argv[2], &db)) {
- printf("Error opening database %s\n", argv[2]);
+ fprintf(stdout, "Error opening database %s\n", argv[2]);
exit(1);
}
sqlite3_prepare_v2(db, "insert into psk_keys (keyid, key) values(?, ?)",
/* Create a TID server instance */
if (NULL == (tids = tids_create())) {
- printf("Unable to create TIDS instance,exiting.\n");
+ fprintf(stdout, "Unable to create TIDS instance,exiting.\n");
return 1;
}
/* Start-up the server, won't return unless there is an error. */
rc = tids_start(tids, &tids_req_handler , NULL);
- printf("Error in tids_start(), rc = %d. Exiting.\n", rc);
+ fprintf(stdout, "Error in tids_start(), rc = %d. Exiting.\n", rc);
/* Clean-up the TID server instance */
tids_destroy(tids);
TID_REQ *tid_dup_req (TID_REQ *orig_req)
{
- TID_REQ *new_req;
+ TID_REQ *new_req = NULL;
- if (NULL == (new_req = malloc(sizeof(TID_REQ))))
+ if (NULL == (new_req = malloc(sizeof(TID_REQ)))) {
+ fprintf(stderr, "tid_dup_req: Can't allocated duplicate request.\n");
return NULL;
+ }
/* Memcpy for flat fields, not valid until names are duped. */
memcpy(new_req, orig_req, sizeof(TID_REQ));
- new_req->rp_realm = tr_dup_name(orig_req->rp_realm);
- new_req->realm = tr_dup_name(orig_req->realm);
- new_req->comm = tr_dup_name(orig_req->comm);
- new_req->orig_coi = tr_dup_name(orig_req->orig_coi);
+ if ((NULL == (new_req->rp_realm = tr_dup_name(orig_req->rp_realm))) ||
+ (NULL == (new_req->realm = tr_dup_name(orig_req->realm))) ||
+ (NULL == (new_req->comm = tr_dup_name(orig_req->comm)))) {
+ fprintf(stderr, "tid_dup_req: Can't duplicate request (names).\n");
+ }
+ if (orig_req->orig_coi) {
+ if (NULL == (new_req->orig_coi = tr_dup_name(orig_req->orig_coi))) {
+ fprintf(stderr, "tid_dup_req: Can't duplicate request (orig_coi).\n");
+ }
+ }
+
return new_req;
}
}
tid_req->tidc_dh = tidc->client_dh;
- tid_req->resp_func = resp_handler;
- tid_req->cookie = cookie;
-
+
return (tidc_fwd_request(tidc, tid_req, resp_handler, cookie));
}
msg->msg_type = TID_REQUEST;
msg->tid_req = tid_req;
+ /* store the response function and cookie */
+ // tid_req->resp_func = resp_handler;
+ // tid_req->cookie = cookie;
+
+
/* Encode the request into a json string */
if (!(req_buf = tr_msg_encode(msg))) {
- printf("Error encoding TID request.\n");
+ fprintf(stderr, "tidc_fwd_request: Error encoding TID request.\n");
return -1;
}
- printf ("Sending TID request:\n");
- printf ("%s\n", req_buf);
+ fprintf (stderr, "tidc_fwd_request: Sending TID request:\n");
+ fprintf (stderr, "%s\n", req_buf);
/* Send the request over the connection */
if (err = gsscon_write_encrypted_token (tid_req->conn, tid_req->gssctx, req_buf,
strlen(req_buf))) {
- fprintf(stderr, "Error sending request over connection.\n");
+ fprintf(stderr, "tidc_fwd_request: Error sending request over connection.\n");
return -1;
}
return -1;
}
- fprintf(stdout, "Response Received (%u bytes).\n", (unsigned) resp_buflen);
+ fprintf(stdout, "tidc_fwd_request: Response Received (%u bytes).\n", (unsigned) resp_buflen);
fprintf(stdout, "%s\n", resp_buf);
if (NULL == (resp_msg = tr_msg_decode(resp_buf, resp_buflen))) {
- fprintf(stderr, "Error decoding response.\n");
+ fprintf(stderr, "tidc_fwd_request: Error decoding response.\n");
return -1;
}
/* TBD -- Check if this is actually a valid response */
if (!resp_msg->tid_resp) {
- fprintf(stderr, "Error: No response in the response!\n");
+ fprintf(stderr, "tidc_fwd_request: Error, no response in the response!\n");
return -1;
}
- /* Call the caller's response function */
- (*tid_req->resp_func)(tidc, tid_req, resp_msg->tid_resp, cookie);
-
+ if (resp_handler)
+ /* Call the caller's response function */
+ (*resp_handler)(tidc, tid_req, resp_msg->tid_resp, cookie);
+ else
+ fprintf(stderr, "tidc_fwd_request: NULL response function.\n");
if (msg)
free(msg);
#include <gsscon.h>
#include <tr_msg.h>
+static TID_RESP *tids_create_response (TIDS_INSTANCE *tids, TID_REQ *req)
+{
+ TID_RESP *resp;
+
+ if ((NULL == (resp = calloc(sizeof(TID_RESP), 1)))) {
+ fprintf(stderr, "tids_create_response: Error allocating response structure.\n");
+ return NULL;
+ }
+
+ resp->result = TID_SUCCESS; /* presume success */
+ if ((NULL == (resp->rp_realm = tr_dup_name(req->rp_realm))) ||
+ (NULL == (resp->realm = tr_dup_name(req->realm))) ||
+ (NULL == (resp->comm = tr_dup_name(req->comm)))) {
+ fprintf(stderr, "tids_create_response: Error allocating fields in response.\n");
+ return NULL;
+ }
+ if (req->orig_coi) {
+ if (NULL == (resp->orig_coi = tr_dup_name(req->orig_coi))) {
+ fprintf(stderr, "tids_create_response: Error allocating fields in response.\n");
+ return NULL;
+ }
+ }
+ return resp;
+}
+
+static void tids_destroy_response(TIDS_INSTANCE *tids, TID_RESP *resp)
+{
+ if (resp) {
+ if (resp->err_msg)
+ tr_free_name(resp->err_msg);
+ if (resp->rp_realm)
+ tr_free_name(resp->rp_realm);
+ if (resp->realm)
+ tr_free_name(resp->realm);
+ if (resp->comm)
+ tr_free_name(resp->comm);
+ if (resp->orig_coi)
+ tr_free_name(resp->orig_coi);
+ free (resp);
+ }
+}
+
static int tids_listen (TIDS_INSTANCE *tids, int port)
{
int rc = 0;
if (0 > (rc = listen(conn, 512)))
return rc;
- fprintf (stdout, "TID Server listening on port %d\n", port);
+ fprintf (stdout, "tids_listen: TID Server listening on port %d\n", port);
return conn;
}
int auth, autherr = 0;
if (rc = gsscon_passive_authenticate(conn, gssctx)) {
- fprintf(stderr, "Error from gsscon_passive_authenticate(), rc = %d.\n", rc);
+ fprintf(stderr, "tids_auth_connection: Error from gsscon_passive_authenticate(), rc = %d.\n", rc);
return -1;
}
if (rc = gsscon_authorize(*gssctx, &auth, &autherr)) {
- fprintf(stderr, "Error from gsscon_authorize, rc = %d, autherr = %d.\n",
+ fprintf(stderr, "tids_auth_connection: Error from gsscon_authorize, rc = %d, autherr = %d.\n",
rc, autherr);
return -1;
}
if (auth)
- fprintf(stdout, "Connection authenticated, conn = %d.\n", conn);
+ fprintf(stdout, "tids_auth_connection: Connection authenticated, conn = %d.\n", conn);
else
- fprintf(stderr, "Authentication failed, conn %d.\n", conn);
+ fprintf(stderr, "tids_auth_connection: Authentication failed, conn %d.\n", conn);
return !auth;
}
/* Parse request */
if (NULL == ((*mreq) = tr_msg_decode(buf, buflen))) {
- printf("tids_read_request():Error decoding request.\n");
+ fprintf(stderr, "tids_read_request():Error decoding request.\n");
free (buf);
return -1;
}
/* If this isn't a TID Request, just drop it. */
if (TID_REQUEST != (*mreq)->msg_type) {
- printf("tids_read_request(): Not a TID Request, dropped.\n");
+ fprintf(stderr, "tids_read_request(): Not a TID Request, dropped.\n");
return -1;
}
(!mreq->tid_req->rp_realm) ||
(!mreq->tid_req->realm) ||
(!mreq->tid_req->comm)) {
- printf("tids_handle_request():Not a valid TID Request.\n");
+ fprintf(stderr, "tids_handle_request():Not a valid TID Request.\n");
(*resp)->result = TID_ERROR;
(*resp)->err_msg = tr_new_name("Bad request format");
return -1;
else {
/* set-up a success response */
(*resp)->result = TID_SUCCESS;
- (*resp)->err_msg = NULL; /* No msg on successful return */
+ (*resp)->err_msg = NULL; /* No error msg on successful return */
}
return rc;
}
-int tids_send_response (TIDS_INSTANCE *tids, int conn, gss_ctx_id_t *gssctx, TID_RESP *resp)
+int tids_send_err_response (TIDS_INSTANCE *tids, TID_REQ *req, const char *err_msg) {
+ TID_RESP *resp = NULL;
+ int rc = 0;
+
+ /* If we already sent a response, don't send another no matter what. */
+ if (req->resp_sent)
+ return 0;
+
+ if (NULL == (resp = tids_create_response(tids, req))) {
+ fprintf(stderr, "tids_send_err_response: Can't create response.\n");
+ return -1;
+ }
+
+ /* mark this as an error response, and include the error message */
+ resp->result = TID_ERROR;
+ resp->err_msg = tr_new_name((char *)err_msg);
+
+ rc = tids_send_response(tids, req, resp);
+
+ tids_destroy_response(tids, resp);
+ return rc;
+}
+
+int tids_send_response (TIDS_INSTANCE *tids, TID_REQ *req, TID_RESP *resp)
{
int err;
TR_MSG mresp;
char *resp_buf;
+ if ((!tids) || (!req) || (!resp))
+ fprintf (stderr, "tids_send_response: Invalid parameters.\n");
+
+ /* Never send a second response if we already sent one. */
+ if (req->resp_sent)
+ return -1;
+
mresp.msg_type = TID_RESPONSE;
mresp.tid_resp = resp;
if (NULL == (resp_buf = tr_msg_encode(&mresp))) {
- fprintf(stderr, "Error decoding json response.\n");
+ fprintf(stderr, "tids_send_response: Error encoding json response.\n");
return -1;
}
- printf("Encoded response:\n%s\n", resp_buf);
+ fprintf(stderr, "tids_send_response: Encoded response:\n%s\n", resp_buf);
/* Send the response over the connection */
- if (err = gsscon_write_encrypted_token (conn, *gssctx, resp_buf,
+ if (err = gsscon_write_encrypted_token (req->conn, req->gssctx, resp_buf,
strlen(resp_buf) + 1)) {
- fprintf(stderr, "Error sending response over connection.\n");
+ fprintf(stderr, "tids_send_response: Error sending response over connection.\n");
return -1;
}
+ /* indicate that a response has been sent for this request */
+ req->resp_sent = 1;
+
free(resp_buf);
return 0;
gss_ctx_id_t gssctx = GSS_C_NO_CONTEXT;
if (tids_auth_connection(conn, &gssctx)) {
- fprintf(stderr, "Error authorizing TID Server connection.\n");
+ fprintf(stderr, "tids_handle_connection: Error authorizing TID Server connection.\n");
close(conn);
return;
}
- printf("Connection authorized!\n");
+ fprintf(stdout, "tids_handle_connection: Connection authorized!\n");
while (1) { /* continue until an error breaks us out */
if (0 > (rc = tids_read_request(tids, conn, &gssctx, &mreq))) {
- fprintf(stderr, "Error from tids_read_request(), rc = %d.\n", rc);
+ fprintf(stderr, "tids_handle_connection: Error from tids_read_request(), rc = %d.\n", rc);
return;
} else if (0 == rc) {
continue;
mreq->tid_req->gssctx = gssctx;
/* Allocate a response structure and populate common fields */
- if ((NULL == (resp = calloc(sizeof(TID_RESP), 1)))) {
- fprintf(stderr, "Error allocating response structure.\n");
+ if (NULL == (resp = tids_create_response (tids, mreq->tid_req))) {
+ fprintf(stderr, "tids_handle_connection: Error creating response structure.\n");
+ /* try to send an error */
+ tids_send_err_response(tids, mreq->tid_req, "Error creating response.\n");
return;
}
- /* TBD -- handle errors */
- resp->result = TID_SUCCESS; /* presume success */
- resp->rp_realm = tr_dup_name(mreq->tid_req->rp_realm);
- resp->realm = tr_dup_name(mreq->tid_req->realm);
- resp->comm = tr_dup_name(mreq->tid_req->comm);
- if (mreq->tid_req->orig_coi)
- resp->orig_coi = tr_dup_name(mreq->tid_req->orig_coi);
-
if (0 > (rc = tids_handle_request(tids, mreq, &resp))) {
- fprintf(stderr, "Error from tids_handle_request(), rc = %d.\n", rc);
- return;
+ fprintf(stderr, "tids_handle_connection: Error from tids_handle_request(), rc = %d.\n", rc);
+ /* Fall through, to send the response, either way */
}
- if (0 > (rc = tids_send_response(tids, conn, &gssctx, resp))) {
- fprintf(stderr, "Error from tids_send_response(), rc = %d.\n", rc);
- return;
+ if (0 > (rc = tids_send_response(tids, mreq->tid_req, resp))) {
+ fprintf(stderr, "tids_handle_connection: Error from tids_send_response(), rc = %d.\n", rc);
+ /* if we didn't already send a response, try to send a generic error. */
+ if (!mreq->tid_req->resp_sent)
+ tids_send_err_response(tids, mreq->tid_req, "Error sending response.\n");
+ /* Fall through to free the response, either way. */
}
- }
-
- return;
+
+ tids_destroy_response(tids, resp);
+ return;
+ }
}
TIDS_INSTANCE *tids_create (void)
void tids_destroy (TIDS_INSTANCE *tids)
{
- free(tids);
+ if (tids)
+ free(tids);
}
TID_RESP *resp,
void *resp_cookie)
{
- fprintf(stderr, "tr_tidc_resp_handler: Response received! Realm = %s, Community = %s.\n", resp->realm->buf, resp->comm->buf);
+ fprintf(stderr, "tr_tidc_resp_handler: Response received (conn = %d)! Realm = %s, Community = %s.\n", ((TR_RESP_COOKIE *)resp_cookie)->orig_req->conn, resp->realm->buf, resp->comm->buf);
req->resp_rcvd = 1;
/* TBD -- handle concatentation of multiple responses to single req */
- tids_send_response(((TR_RESP_COOKIE *)resp_cookie)->tr->tids, ((TR_RESP_COOKIE *)resp_cookie)->orig_req->conn, &((TR_RESP_COOKIE *)resp_cookie)->orig_req->gssctx, resp);
+ tids_send_response(((TR_RESP_COOKIE *)resp_cookie)->tr->tids,
+ ((TR_RESP_COOKIE *)resp_cookie)->orig_req,
+ resp);
return;
}
TR_RESP_COOKIE resp_cookie;
TR_AAA_SERVER *aaa_servers = NULL;
TR_NAME *apc = NULL;
- TID_REQ *req = NULL;
+ TID_REQ *fwd_req = NULL;
TR_COMM *cfg_comm = NULL;
int rc;
if ((!tids) || (!orig_req) || (!resp) || (!(*resp))) {
- printf("tids_req_handler: Bad parameters\n");
+ fprintf(stderr, "tids_req_handler: Bad parameters\n");
return -1;
}
- printf("Request received! Realm = %s, Comm = %s\n", orig_req->realm->buf, orig_req->comm->buf);
+ fprintf(stdout, "tr_tids_req_handler: Request received (conn = %d)! Realm = %s, Comm = %s\n", orig_req->conn,
+ orig_req->realm->buf, orig_req->comm->buf);
if (tids)
tids->req_count++;
- /* Save tr and request info for the response */
- resp_cookie.tr = tr;
- resp_cookie.orig_req = req;
-
/* Duplicate the request, so we can modify and forward it */
- if (NULL == (req = tid_dup_req(orig_req))) {
+ if (NULL == (fwd_req = tid_dup_req(orig_req))) {
fprintf(stderr, "tr_tids_req_handler: Unable to duplicate request.\n");
return -1;
}
/* Map the comm in the request from a COI to an APC, if needed */
- if (NULL == (cfg_comm = tr_comm_lookup((TR_INSTANCE *)tids->cookie, req->comm))) {
- fprintf(stderr, "tr_tids_req_hander: Request for unknown comm: %s.\n", req->comm->buf);
+ if (NULL == (cfg_comm = tr_comm_lookup((TR_INSTANCE *)tids->cookie, orig_req->comm))) {
+ fprintf(stderr, "tr_tids_req_hander: Request for unknown comm: %s.\n", orig_req->comm->buf);
+ tids_send_err_response(tids, orig_req, "Unknown community");
+ return -1;
}
/* TBD -- check that the rp_realm is a member of the original community */
+ /* If the community is a COI, switch to the apc */
if (TR_COMM_COI == cfg_comm->type) {
+ fprintf(stderr, "tr_tids_req_handler: Community was a COI, switching.\n");
/* TBD -- In theory there can be more than one? How would that work? */
+ if ((!cfg_comm->apcs) || (!cfg_comm->apcs->id)) {
+ fprintf(stderr, "No valid APC for COI %s.\n", orig_req->comm->buf);
+ tids_send_err_response(tids, orig_req, "No valid APC for community");
+ return -1;
+ }
apc = tr_dup_name(cfg_comm->apcs->id);
- req->orig_coi = req->comm;
- req->comm = apc;
+ fwd_req->comm = apc;
+ fwd_req->orig_coi = orig_req->comm;
}
/* Find the AAA server(s) for this request */
- aaa_servers = tr_idp_aaa_server_lookup((TR_INSTANCE *)tids->cookie, req->realm, apc);
+ if (NULL == (aaa_servers = tr_idp_aaa_server_lookup((TR_INSTANCE *)tids->cookie,
+ orig_req->realm,
+ orig_req->comm))) {
+ fprintf(stderr, "tr_tids_req_handler: No AAA Servers for realm %s.\n", orig_req->realm->buf);
+ tids_send_err_response(tids, orig_req, "No path to AAA Servers for realm");
+ return -1;
+ }
/* send a TID request to the AAA server(s), and get the answer(s) */
/* TBD -- Handle multiple servers */
/* Create a TID client instance */
if (NULL == (tidc = tidc_create())) {
fprintf(stderr, "tr_tids_req_hander: Unable to allocate TIDC instance.\n");
+ tids_send_err_response(tids, orig_req, "Memory allocation failure");
return -1;
}
/* Use the DH parameters from the original request */
/* TBD -- this needs to be fixed when we handle more than one req per conn */
- tidc->client_dh = req->tidc_dh;
+ tidc->client_dh = orig_req->tidc_dh;
/* Save information about this request for the response */
resp_cookie.tr = tr;
- resp_cookie.orig_req = req;
+ resp_cookie.orig_req = orig_req;
/* Set-up TID connection */
/* TBD -- handle IPv6 Addresses */
- if (-1 == (req->conn = tidc_open_connection(tidc, inet_ntoa(aaa_servers->aaa_server_addr), &(req->gssctx)))) {
- printf("tr_tids_req_handler: Error in tidc_open_connection.\n");
+ if (-1 == (fwd_req->conn = tidc_open_connection(tidc,
+ inet_ntoa(aaa_servers->aaa_server_addr),
+ &(fwd_req->gssctx)))) {
+ fprintf(stderr, "tr_tids_req_handler: Error in tidc_open_connection.\n");
+ tids_send_err_response(tids, orig_req, "Can't open connection to next hop TIDS");
return -1;
};
/* Send a TID request */
-
- if (0 > (rc = tidc_fwd_request(tidc, req, &tr_tidc_resp_handler, (void *)&resp_cookie))) {
- printf("Error from tidc_fwd_request, rc = %d.\n", rc);
+ if (0 > (rc = tidc_fwd_request(tidc, fwd_req, &tr_tidc_resp_handler, (void *)&resp_cookie))) {
+ fprintf(stderr, "Error from tidc_fwd_request, rc = %d.\n", rc);
+ tids_send_err_response(tids, orig_req, "Can't forward request to next hop TIDS");
return -1;
}
/* initialize the trust path query server instance */
if (0 == (tr->tids = tids_create ())) {
- printf ("Error initializing Trust Path Query Server instance.\n");
+ fprintf (stderr, "Error initializing Trust Path Query Server instance.\n");
exit(1);
}
/* start the trust path query server, won't return unless fatal error. */
if (0 != (err = tids_start(tr->tids, &tr_tids_req_handler, (void *)tr))) {
- printf ("Error from Trust Path Query Server, err = %d.\n", err);
+ fprintf (stderr, "Error from Trust Path Query Server, err = %d.\n", err);
exit(err);
}