+/*
+ * Copyright (c) 2016, 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 <time.h>
#include <talloc.h>
-#include <trust_router/tr_name.h>
+#include <tr_name_internal.h>
#include <trp_internal.h>
+#include <tr_gss_names.h>
#include <trp_ptable.h>
#include <tr_debug.h>
+static int trp_peer_destructor(void *object)
+{
+ TRP_PEER *peer=talloc_get_type_abort(object, TRP_PEER);
+ if (peer->label!=NULL)
+ tr_free_name(peer->label);
+ if (peer->servicename!=NULL)
+ tr_free_name(peer->servicename);
+ return 0;
+}
TRP_PEER *trp_peer_new(TALLOC_CTX *memctx)
{
TRP_PEER *peer=talloc(memctx, TRP_PEER);
if (peer!=NULL) {
+ peer->next=NULL;
+ peer->label=NULL;
peer->server=NULL;
+ peer->servicename=NULL;
+ peer->gss_names=NULL;
peer->port=0;
- peer->linkcost=TRP_METRIC_INFINITY;
- peer->next=NULL;
+ peer->linkcost=TRP_LINKCOST_DEFAULT;
+ peer->last_conn_attempt=(struct timespec){0,0};
+ peer->outgoing_status=PEER_DISCONNECTED;
+ peer->incoming_status=PEER_DISCONNECTED;
+ peer->conn_status_cb=NULL;
+ peer->conn_status_cookie=NULL;
+ peer->filters=NULL;
+ talloc_set_destructor((void *)peer, trp_peer_destructor);
}
return peer;
}
return peer;
}
+
+/* Get a name that identifies this peer for display to the user, etc.
+ * Do not modify or free the label. */
+TR_NAME *trp_peer_get_label(TRP_PEER *peer)
+{
+ char *s=NULL;
+
+ if (peer->label==NULL) {
+ s=talloc_asprintf(NULL, "%s:%u", peer->server, peer->port);
+ if (s!=NULL) {
+ peer->label=tr_new_name(s);
+ talloc_free(s);
+ }
+ }
+ return peer->label;
+}
+
+/* Get a name that identifies this peer for display to the user, etc.
+ * Makes a copy, caller is responsible for freeing. */
+TR_NAME *trp_peer_dup_label(TRP_PEER *peer)
+{
+ return tr_dup_name(trp_peer_get_label(peer));;
+}
+
char *trp_peer_get_server(TRP_PEER *peer)
{
return peer->server;
}
-/* copies input; on error, peer->gssname will be null */
-void trp_peer_set_server(TRP_PEER *peer, char *server)
+static void trp_peer_set_servicename(TRP_PEER *peer, const char *server)
+{
+ char *name=NULL;
+ if (peer->servicename !=NULL)
+ tr_free_name(peer->servicename);
+
+ if (server!=NULL)
+ name=talloc_asprintf(NULL, "trustrouter/%s", server);
+
+ if (name!=NULL) {
+ peer->servicename=tr_new_name(name);
+ talloc_free(name);
+ } else {
+ peer->servicename=NULL;
+ }
+}
+
+/* copies input; on error, peer->servicename will be null */
+void trp_peer_set_server(TRP_PEER *peer, const char *server)
{
peer->server=talloc_strdup(peer, server); /* will be null on error */
+ trp_peer_set_servicename(peer, server);
}
-/* get the peer name based on the server name; caller is responsible for freeing the TR_NAME */
-TR_NAME *trp_peer_get_gssname(TRP_PEER *peer)
+void trp_peer_add_gss_name(TRP_PEER *peer, TR_NAME *gss_name)
{
- TR_NAME *gssname=NULL;
- char *s=NULL;
+ if (peer->gss_names==NULL)
+ trp_peer_set_gss_names(peer, tr_gss_names_new(peer));
+ tr_gss_names_add(peer->gss_names, gss_name);
+}
- if (0<asprintf(&s, "trustrouter@%s", peer->server)) {
- if (tr_new_name(s)!=NULL) {
- gssname=tr_new_name(s);
- }
- free(s);
- }
- return gssname;
+void trp_peer_set_gss_names(TRP_PEER *peer, TR_GSS_NAMES *gss_names)
+{
+ if (peer->gss_names!=NULL)
+ tr_gss_names_free(peer->gss_names);
+
+ peer->gss_names=gss_names;
+ talloc_steal(peer, gss_names);
+}
+
+/* get the peer gss_names, caller must not free the result */
+TR_GSS_NAMES *trp_peer_get_gss_names(TRP_PEER *peer)
+{
+ return peer->gss_names;
+}
+
+/* get the service name (i.e., gssname we see when we connect to this peer) */
+TR_NAME *trp_peer_get_servicename(TRP_PEER *peer)
+{
+ return peer->servicename;
+}
+
+/* get a copy of the servicename, caller must free via tr_free_name */
+TR_NAME *trp_peer_dup_servicename(TRP_PEER *peer)
+{
+ return tr_dup_name(peer->servicename);
}
unsigned int trp_peer_get_port(TRP_PEER *peer)
unsigned int trp_peer_get_linkcost(TRP_PEER *peer)
{
- return peer->linkcost;
+ if (peer!=NULL)
+ return peer->linkcost;
+ else
+ return 1;
}
void trp_peer_set_linkcost(TRP_PEER *peer, unsigned int linkcost)
peer->linkcost=linkcost;
}
+void trp_peer_set_conn_status_cb(TRP_PEER *peer, void (*cb)(TRP_PEER *, void *), void *cookie)
+{
+ peer->conn_status_cb=cb;
+ peer->conn_status_cookie=cookie;
+}
+
+/**
+ * Set the filter associated with this peer. Any existing filter will be freed. Takes responsibility for
+ * freeing the new filter.
+ *
+ * @param peer Peer to modify
+ * @param filts New filter to attach to the peer
+ */
+void trp_peer_set_filters(TRP_PEER *peer, TR_FILTER_SET *filts)
+{
+ if (peer->filters!=NULL)
+ tr_filter_set_free(peer->filters);
+
+ peer->filters=filts;
+ talloc_steal(peer, filts);
+}
+
+TR_FILTER *trp_peer_get_filter(TRP_PEER *peer, TR_FILTER_TYPE ftype)
+{
+ return tr_filter_set_get(peer->filters, ftype);
+}
+
+struct timespec *trp_peer_get_last_conn_attempt(TRP_PEER *peer)
+{
+ return &(peer->last_conn_attempt);
+}
+
+void trp_peer_set_last_conn_attempt(TRP_PEER *peer, struct timespec *time)
+{
+ peer->last_conn_attempt=*time;
+}
+
TRP_PTABLE *trp_ptable_new(TALLOC_CTX *memctx)
{
TRP_PTABLE *ptbl=talloc(memctx, TRP_PTABLE);
return ptbl;
}
+void trp_peer_set_outgoing_status(TRP_PEER *peer, TRP_PEER_CONN_STATUS status)
+{
+ TR_NAME *peer_label=trp_peer_get_label(peer);
+ int was_connected=trp_peer_is_connected(peer);
+ peer->outgoing_status=status;
+ tr_debug("trp_peer_set_outgoing_status: %s: status=%d peer connected was %d now %d.",
+ peer_label->buf, status, was_connected, trp_peer_is_connected(peer));
+ if ((trp_peer_is_connected(peer) != was_connected) && (peer->conn_status_cb!=NULL))
+ peer->conn_status_cb(peer, peer->conn_status_cookie);
+}
+
+TRP_PEER_CONN_STATUS trp_peer_get_outgoing_status(TRP_PEER *peer)
+{
+ return peer->outgoing_status;
+}
+
+void trp_peer_set_incoming_status(TRP_PEER *peer, TRP_PEER_CONN_STATUS status)
+{
+ TR_NAME *peer_label=trp_peer_get_label(peer);
+ int was_connected=trp_peer_is_connected(peer);
+ peer->incoming_status=status;
+ tr_debug("trp_peer_set_incoming_status: %s: status=%d peer connected was %d now %d.",
+ peer_label->buf, status, was_connected, trp_peer_is_connected(peer));
+ if ((trp_peer_is_connected(peer) != was_connected) && (peer->conn_status_cb!=NULL))
+ peer->conn_status_cb(peer, peer->conn_status_cookie);
+}
+
+TRP_PEER_CONN_STATUS trp_peer_get_incoming_status(TRP_PEER *peer)
+{
+ return peer->incoming_status;
+}
+
+int trp_peer_is_connected(TRP_PEER *peer)
+{
+ return (peer->outgoing_status==PEER_CONNECTED) && (peer->incoming_status==PEER_CONNECTED);
+}
+
void trp_ptable_free(TRP_PTABLE *ptbl)
{
talloc_free(ptbl);
TRP_RC trp_ptable_add(TRP_PTABLE *ptbl, TRP_PEER *newpeer)
{
- if (ptbl->head==NULL) {
+ if (ptbl->head==NULL)
ptbl->head=newpeer;
- } else {
+ else
trp_peer_tail(ptbl->head)->next=newpeer;
- talloc_steal(ptbl, newpeer);
- }
+
+ talloc_steal(ptbl, newpeer);
return TRP_SUCCESS;
}
return TRP_ERROR;
}
+TRP_PEER *trp_ptable_find_gss_name(TRP_PTABLE *ptbl, TR_NAME *gssname)
+{
+ TRP_PEER *cur=ptbl->head;
+ while ((cur!=NULL) && (!tr_gss_names_matches(trp_peer_get_gss_names(cur), gssname)))
+ cur=cur->next;
+ return cur;
+}
+
+TRP_PEER *trp_ptable_find_servicename(TRP_PTABLE *ptbl, TR_NAME *servicename)
+{
+ TRP_PEER *cur=ptbl->head;
+ while ((cur!=NULL) && (0 != tr_name_cmp(trp_peer_get_servicename(cur), servicename)))
+ cur=cur->next;
+ return cur;
+}
+
char *trp_peer_to_str(TALLOC_CTX *memctx, TRP_PEER *peer, const char *sep)
{
if (sep==NULL)
talloc_free(tmpctx); /* free detritus */
return result;
}
+
+TRP_PTABLE_ITER *trp_ptable_iter_new(TALLOC_CTX *mem_ctx)
+{
+ TRP_PTABLE_ITER *iter=talloc(mem_ctx, TRP_PTABLE_ITER);
+ *iter=NULL;
+ return iter;
+}
+
+TRP_PEER *trp_ptable_iter_first(TRP_PTABLE_ITER *iter, TRP_PTABLE *ptbl)
+{
+ if (ptbl==NULL)
+ *iter=NULL;
+ else
+ *iter=ptbl->head;
+ return *iter;
+}
+
+TRP_PEER *trp_ptable_iter_next(TRP_PTABLE_ITER *iter)
+{
+ if (*iter!=NULL)
+ *iter=(*iter)->next;
+ return *iter;
+}
+
+void trp_ptable_iter_free(TRP_PTABLE_ITER *iter)
+{
+ talloc_free(iter);
+}
+
projects / trust_router.git / blobdiff