2 * Copyright (c) 2016-2018, JANET(UK)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of JANET(UK) nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
31 * OF THE POSSIBILITY OF SUCH DAMAGE.
38 #include <tr_name_internal.h>
39 #include <trp_internal.h>
40 #include <tr_gss_names.h>
41 #include <trp_ptable.h>
45 static int trp_peer_destructor(void *object)
47 TRP_PEER *peer=talloc_get_type_abort(object, TRP_PEER);
48 if (peer->label!=NULL)
49 tr_free_name(peer->label);
50 if (peer->servicename!=NULL)
51 tr_free_name(peer->servicename);
54 TRP_PEER *trp_peer_new(TALLOC_CTX *memctx)
56 TRP_PEER *peer=talloc(memctx, TRP_PEER);
61 peer->servicename=NULL;
64 peer->linkcost=TRP_LINKCOST_DEFAULT;
65 peer->last_conn_attempt=(struct timespec){0,0};
66 peer->outgoing_status=PEER_DISCONNECTED;
67 peer->incoming_status=PEER_DISCONNECTED;
68 peer->conn_status_cb=NULL;
69 peer->conn_status_cookie=NULL;
71 talloc_set_destructor((void *)peer, trp_peer_destructor);
76 void trp_peer_free(TRP_PEER *peer)
81 TRP_PEER *trp_peer_tail(TRP_PEER *peer)
83 while (peer->next!=NULL) {
90 /* Get a name that identifies this peer for display to the user, etc.
91 * Do not modify or free the label. */
92 TR_NAME *trp_peer_get_label(TRP_PEER *peer)
96 if (peer->label==NULL) {
97 s=talloc_asprintf(NULL, "%s:%u", peer->server, peer->port);
99 peer->label=tr_new_name(s);
106 /* Get a name that identifies this peer for display to the user, etc.
107 * Makes a copy, caller is responsible for freeing. */
108 TR_NAME *trp_peer_dup_label(TRP_PEER *peer)
110 return tr_dup_name(trp_peer_get_label(peer));;
113 char *trp_peer_get_server(TRP_PEER *peer)
118 static void trp_peer_set_servicename(TRP_PEER *peer, const char *server)
121 if (peer->servicename !=NULL)
122 tr_free_name(peer->servicename);
125 name=talloc_asprintf(NULL, "trustrouter/%s", server);
128 peer->servicename=tr_new_name(name);
131 peer->servicename=NULL;
135 /* copies input; on error, peer->servicename will be null */
136 void trp_peer_set_server(TRP_PEER *peer, const char *server)
138 peer->server=talloc_strdup(peer, server); /* will be null on error */
139 trp_peer_set_servicename(peer, server);
142 void trp_peer_add_gss_name(TRP_PEER *peer, TR_NAME *gss_name)
144 if (peer->gss_names==NULL)
145 trp_peer_set_gss_names(peer, tr_gss_names_new(peer));
146 tr_gss_names_add(peer->gss_names, gss_name);
149 void trp_peer_set_gss_names(TRP_PEER *peer, TR_GSS_NAMES *gss_names)
151 if (peer->gss_names!=NULL)
152 tr_gss_names_free(peer->gss_names);
154 peer->gss_names=gss_names;
155 talloc_steal(peer, gss_names);
158 /* get the peer gss_names, caller must not free the result */
159 TR_GSS_NAMES *trp_peer_get_gss_names(TRP_PEER *peer)
161 return peer->gss_names;
164 /* get the service name (i.e., gssname we see when we connect to this peer) */
165 TR_NAME *trp_peer_get_servicename(TRP_PEER *peer)
167 return peer->servicename;
170 /* get a copy of the servicename, caller must free via tr_free_name */
171 TR_NAME *trp_peer_dup_servicename(TRP_PEER *peer)
173 return tr_dup_name(peer->servicename);
176 int trp_peer_get_port(TRP_PEER *peer)
181 void trp_peer_set_port(TRP_PEER *peer, int port)
186 unsigned int trp_peer_get_linkcost(TRP_PEER *peer)
189 return peer->linkcost;
194 void trp_peer_set_linkcost(TRP_PEER *peer, unsigned int linkcost)
196 if ((linkcost>TRP_METRIC_INFINITY) && (linkcost!=TRP_METRIC_INVALID)) {
197 /* This indicates a programming error, but probably means an already infinite metric
198 * was (incorrectly) incremented. Issue a warning and proceed with an infinite metric. */
199 tr_warning("trp_peer_set_linkcost: link cost > infinity encountered, setting to infinity");
200 linkcost=TRP_METRIC_INFINITY;
202 peer->linkcost=linkcost;
205 void trp_peer_set_conn_status_cb(TRP_PEER *peer, void (*cb)(TRP_PEER *, void *), void *cookie)
207 peer->conn_status_cb=cb;
208 peer->conn_status_cookie=cookie;
212 * Set the filter associated with this peer. Any existing filter will be freed. Takes responsibility for
213 * freeing the new filter.
215 * @param peer Peer to modify
216 * @param filts New filter to attach to the peer
218 void trp_peer_set_filters(TRP_PEER *peer, TR_FILTER_SET *filts)
220 if (peer->filters!=NULL)
221 tr_filter_set_free(peer->filters);
224 talloc_steal(peer, filts);
227 TR_FILTER *trp_peer_get_filter(TRP_PEER *peer, TR_FILTER_TYPE ftype)
229 return tr_filter_set_get(peer->filters, ftype);
232 struct timespec *trp_peer_get_last_conn_attempt(TRP_PEER *peer)
234 return &(peer->last_conn_attempt);
237 void trp_peer_set_last_conn_attempt(TRP_PEER *peer, struct timespec *time)
239 peer->last_conn_attempt=*time;
242 void trp_peer_set_outgoing_status(TRP_PEER *peer, TRP_PEER_CONN_STATUS status)
244 TR_NAME *peer_label=trp_peer_get_label(peer);
245 int was_connected=trp_peer_is_connected(peer);
246 peer->outgoing_status=status;
247 tr_debug("trp_peer_set_outgoing_status: %s: status=%d peer connected was %d now %d.",
248 peer_label->buf, status, was_connected, trp_peer_is_connected(peer));
249 if ((trp_peer_is_connected(peer) != was_connected) && (peer->conn_status_cb!=NULL))
250 peer->conn_status_cb(peer, peer->conn_status_cookie);
253 TRP_PEER_CONN_STATUS trp_peer_get_outgoing_status(TRP_PEER *peer)
255 return peer->outgoing_status;
258 void trp_peer_set_incoming_status(TRP_PEER *peer, TRP_PEER_CONN_STATUS status)
260 TR_NAME *peer_label=trp_peer_get_label(peer);
261 int was_connected=trp_peer_is_connected(peer);
262 peer->incoming_status=status;
263 tr_debug("trp_peer_set_incoming_status: %s: status=%d peer connected was %d now %d.",
264 peer_label->buf, status, was_connected, trp_peer_is_connected(peer));
265 if ((trp_peer_is_connected(peer) != was_connected) && (peer->conn_status_cb!=NULL))
266 peer->conn_status_cb(peer, peer->conn_status_cookie);
269 TRP_PEER_CONN_STATUS trp_peer_get_incoming_status(TRP_PEER *peer)
271 return peer->incoming_status;
274 int trp_peer_is_connected(TRP_PEER *peer)
276 return (peer->outgoing_status==PEER_CONNECTED) && (peer->incoming_status==PEER_CONNECTED);