/*
This file is part of GNUnet.
- (C) 2012 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2012, 2017, 2019 GNUnet e.V.
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ Affero General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
-*/
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ SPDX-License-Identifier: AGPL3.0-or-later
+ */
/**
* @file cadet/gnunet-cadet.c
* @brief Print information about cadet tunnels and peers.
* @author Bartlomiej Polot
+ * @author Christian Grothoff
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_cadet_service.h"
#include "cadet.h"
-
-/**
- * Option -m.
- */
-static int monitor_connections;
+#define STREAM_BUFFER_SIZE 1024 // Pakets
/**
* Option -P.
*/
static int request_tunnels;
-/**
- * Option --tunnel
- */
-static char *tunnel_id;
-
/**
* Option --connection
*/
static char *channel_id;
/**
- * Port to listen on (-p).
+ * Port to listen on (-o).
*/
-static uint32_t listen_port;
+static char *listen_port;
/**
* Request echo service
*/
-int echo;
+static int echo;
/**
* Time of last echo request.
*/
-struct GNUNET_TIME_Absolute echo_time;
+static struct GNUNET_TIME_Absolute echo_time;
/**
* Task for next echo request.
*/
-GNUNET_SCHEDULER_TaskIdentifier echo_task;
+static struct GNUNET_SCHEDULER_Task *echo_task;
/**
* Peer to connect to.
/**
* Port to connect to
*/
-static uint32_t target_port;
+static char *target_port = "default";
/**
- * Data pending in netcat mode.
+ * Cadet handle.
*/
-size_t data_size;
+static struct GNUNET_CADET_Handle *mh;
+/**
+ * Our configuration.
+ */
+static const struct GNUNET_CONFIGURATION_Handle *my_cfg;
/**
- * Cadet handle.
+ * Active get path operation.
*/
-static struct GNUNET_CADET_Handle *mh;
+static struct GNUNET_CADET_GetPath *gpo;
+
+/**
+ * Active peer listing operation.
+ */
+static struct GNUNET_CADET_PeersLister *plo;
+
+/**
+ * Active tunnel listing operation.
+ */
+static struct GNUNET_CADET_ListTunnels *tio;
/**
* Channel handle.
static struct GNUNET_CADET_Channel *ch;
/**
- * Shutdown task handle.
+ * HashCode of the given port string
*/
-GNUNET_SCHEDULER_TaskIdentifier sd;
+static struct GNUNET_HashCode porthash;
+/**
+ * Data structure for ongoing reception of incoming virtual circuits.
+ */
+struct GNUNET_CADET_Port *lp;
+/**
+ * Task for reading from stdin.
+ */
+static struct GNUNET_SCHEDULER_Task *rd_task;
-static void
-listen_stdio (void);
+/**
+ * Task for main job.
+ */
+static struct GNUNET_SCHEDULER_Task *job;
+static unsigned int sent_pkt;
/**
- * Task run in monitor mode when the user presses CTRL-C to abort.
- * Stops monitoring activity.
- *
- * @param cls Closure (unused).
- * @param tc scheduler context
+ * Wait for input on STDIO and send it out over the #ch.
*/
static void
-shutdown_task (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+listen_stdio(void);
+
+
+/**
+ * Convert encryption status to human readable string.
+ *
+ * @param status Encryption status.
+ *
+ * @return Human readable string.
+ */
+static const char *
+enc_2s(uint16_t status)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutdown\n");
- if (NULL != ch)
- {
- GNUNET_CADET_channel_destroy (ch);
- ch = NULL;
- }
- if (NULL != mh)
- {
- GNUNET_CADET_disconnect (mh);
- mh = NULL;
- }
+ switch (status)
+ {
+ case 0:
+ return "NULL ";
+
+ case 1:
+ return "KSENT";
+
+ case 2:
+ return "KRECV";
+
+ case 3:
+ return "READY";
+
+ default:
+ return "";
+ }
}
/**
- * Function called to notify a client about the connection
- * begin ready to queue more data. "buf" will be
- * NULL and "size" zero if the connection was closed for
- * writing in the meantime.
+ * Convert connection status to human readable string.
*
- * FIXME
+ * @param status Connection status.
*
- * @param cls closure
- * @param size number of bytes available in buf
- * @param buf where the callee should write the message
- * @return number of bytes written to buf
+ * @return Human readable string.
*/
-size_t
-data_ready (void *cls, size_t size, void *buf)
+static const char *
+conn_2s(uint16_t status)
{
- struct GNUNET_MessageHeader *msg;
- size_t total_size;
+ switch (status)
+ {
+ case 0:
+ return "NEW ";
- if (NULL == buf || 0 == size)
- {
- GNUNET_SCHEDULER_shutdown();
- return 0;
- }
+ case 1:
+ return "SRCH ";
- total_size = data_size + sizeof (struct GNUNET_MessageHeader);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "sending %u bytes\n", data_size);
- GNUNET_assert (size >= total_size);
+ case 2:
+ return "WAIT ";
- msg = buf;
- msg->size = htons (total_size);
- msg->type = htons (GNUNET_MESSAGE_TYPE_CADET_CLI);
- memcpy (&msg[1], cls, data_size);
- if (GNUNET_NO == echo)
- {
- listen_stdio ();
- }
- else
- {
- echo_time = GNUNET_TIME_absolute_get ();
- }
+ case 3:
+ return "READY";
+
+ case 4:
+ return "SHUTD";
- return total_size;
+ default:
+ return "";
+ }
}
/**
- * Task run in monitor mode when the user presses CTRL-C to abort.
- * Stops monitoring activity.
+ * Task to shut down this application.
*
* @param cls Closure (unused).
- * @param tc scheduler context
*/
static void
-read_stdio (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+shutdown_task(void *cls)
{
- static char buf[60000];
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Shutdown\n");
+ if (NULL != lp)
+ {
+ GNUNET_CADET_close_port(lp);
+ lp = NULL;
+ }
+ if (NULL != ch)
+ {
+ GNUNET_CADET_channel_destroy(ch);
+ ch = NULL;
+ }
+ if (NULL != gpo)
+ {
+ GNUNET_CADET_get_path_cancel(gpo);
+ gpo = NULL;
+ }
+ if (NULL != plo)
+ {
+ GNUNET_CADET_list_peers_cancel(plo);
+ plo = NULL;
+ }
+ if (NULL != tio)
+ {
+ GNUNET_CADET_list_tunnels_cancel(tio);
+ tio = NULL;
+ }
+ if (NULL != mh)
+ {
+ GNUNET_CADET_disconnect(mh);
+ mh = NULL;
+ }
+ if (NULL != rd_task)
+ {
+ GNUNET_SCHEDULER_cancel(rd_task);
+ rd_task = NULL;
+ }
+ if (NULL != echo_task)
+ {
+ GNUNET_SCHEDULER_cancel(echo_task);
+ echo_task = NULL;
+ }
+ if (NULL != job)
+ {
+ GNUNET_SCHEDULER_cancel(job);
+ job = NULL;
+ }
+}
+
+void
+mq_cb(void *cls)
+{
+ listen_stdio();
+}
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
- {
- return;
- }
- data_size = read (0, buf, 60000);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "stdio read %u bytes\n", data_size);
+/**
+ * Task run in stdio mode, after some data is available at stdin.
+ *
+ * @param cls Closure (unused).
+ */
+static void
+read_stdio(void *cls)
+{
+ struct GNUNET_MQ_Envelope *env;
+ struct GNUNET_MessageHeader *msg;
+ char buf[60000];
+ ssize_t data_size;
+
+ rd_task = NULL;
+ data_size = read(0, buf, 60000);
if (data_size < 1)
- {
- GNUNET_SCHEDULER_shutdown();
- return;
- }
- GNUNET_CADET_notify_transmit_ready (ch, GNUNET_NO,
- GNUNET_TIME_UNIT_FOREVER_REL,
- data_size
- + sizeof (struct GNUNET_MessageHeader),
- &data_ready, buf);
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "read() returned %s\n",
+ strerror(errno));
+ GNUNET_SCHEDULER_shutdown();
+ return;
+ }
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Read %u bytes from stdio\n",
+ (unsigned int)data_size);
+ env = GNUNET_MQ_msg_extra(msg, data_size, GNUNET_MESSAGE_TYPE_CADET_CLI);
+ GNUNET_memcpy(&msg[1], buf, data_size);
+ GNUNET_MQ_send(GNUNET_CADET_get_mq(ch), env);
+
+ sent_pkt++;
+
+ if (GNUNET_NO == echo)
+ {
+ // Use MQ's notification if too much data of stdin is pooring in too fast.
+ if (STREAM_BUFFER_SIZE < sent_pkt)
+ {
+ GNUNET_MQ_notify_sent(env, mq_cb, cls);
+ sent_pkt = 0;
+ }
+ else
+ {
+ listen_stdio();
+ }
+ }
+ else
+ {
+ echo_time = GNUNET_TIME_absolute_get();
+ }
}
/**
- * Start listening to stdin
+ * Wait for input on STDIO and send it out over the #ch.
*/
static void
-listen_stdio (void)
+listen_stdio()
{
struct GNUNET_NETWORK_FDSet *rs;
- rs = GNUNET_NETWORK_fdset_create ();
- GNUNET_NETWORK_fdset_set_native (rs, 0);
- GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- GNUNET_TIME_UNIT_FOREVER_REL,
- rs, NULL,
- &read_stdio, NULL);
- GNUNET_NETWORK_fdset_destroy (rs);
+ /* FIXME: why use 'rs' here, seems overly complicated... */
+ rs = GNUNET_NETWORK_fdset_create();
+ GNUNET_NETWORK_fdset_set_native(rs, 0); /* STDIN */
+ rd_task = GNUNET_SCHEDULER_add_select(GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ rs,
+ NULL,
+ &read_stdio,
+ NULL);
+ GNUNET_NETWORK_fdset_destroy(rs);
}
*
* It must NOT call #GNUNET_CADET_channel_destroy on the channel.
*
- * @param cls closure (set from #GNUNET_CADET_connect)
+ * @param cls closure
* @param channel connection to the other end (henceforth invalid)
- * @param channel_ctx place where local state associated
- * with the channel is stored
*/
static void
-channel_ended (void *cls,
- const struct GNUNET_CADET_Channel *channel,
- void *channel_ctx)
+channel_ended(void *cls, const struct GNUNET_CADET_Channel *channel)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Channel ended!\n");
- GNUNET_break (channel == ch);
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Channel ended!\n");
+ GNUNET_assert(channel == ch);
ch = NULL;
- GNUNET_SCHEDULER_shutdown ();
+ GNUNET_SCHEDULER_shutdown();
}
* Only called (once) upon reception of data with a message type which was
* subscribed to in #GNUNET_CADET_connect.
*
- * A call to #GNUNET_CADET_channel_destroy causes te channel to be ignored. In
- * this case the handler MUST return NULL.
+ * A call to #GNUNET_CADET_channel_destroy causes the channel to be ignored.
+ * In this case the handler MUST return NULL.
*
* @param cls closure
* @param channel new handle to the channel
* @param initiator peer that started the channel
- * @param port Port this channel is for.
- * @param options CadetOption flag field, with all active option bits set to 1.
- *
- * @return initial channel context for the channel
- * (can be NULL -- that's not an error)
+ * @return initial channel context for the channel, we use @a channel
*/
static void *
-channel_incoming (void *cls,
- struct GNUNET_CADET_Channel * channel,
- const struct GNUNET_PeerIdentity * initiator,
- uint32_t port, enum GNUNET_CADET_ChannelOption options)
+channel_incoming(void *cls,
+ struct GNUNET_CADET_Channel *channel,
+ const struct GNUNET_PeerIdentity *initiator)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Incoming channel %p on port %u\n",
- channel, port);
- if (NULL != ch)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "A channel already exists\n");
- return NULL;
- }
- if (0 == listen_port)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Not listening to channels\n");
- return NULL;
- }
+ GNUNET_log(GNUNET_ERROR_TYPE_MESSAGE,
+ "Incoming connection from %s\n",
+ GNUNET_i2s_full(initiator));
+ GNUNET_assert(NULL == ch);
+ GNUNET_assert(NULL != lp);
+ GNUNET_CADET_close_port(lp);
+ lp = NULL;
ch = channel;
if (GNUNET_NO == echo)
- {
- listen_stdio ();
- return NULL;
- }
- data_size = 0;
- return NULL;
+ listen_stdio();
+ return channel;
}
+
/**
* @brief Send an echo request to the remote peer.
*
* @param cls Closure (NULL).
- * @param tc Task context.
*/
static void
-send_echo (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+send_echo(void *cls)
{
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) || NULL == ch)
- return;
+ struct GNUNET_MQ_Envelope *env;
+ struct GNUNET_MessageHeader *msg;
- GNUNET_CADET_notify_transmit_ready (ch, GNUNET_NO,
- GNUNET_TIME_UNIT_FOREVER_REL,
- sizeof (struct GNUNET_MessageHeader),
- &data_ready, NULL);
+ echo_task = NULL;
+ if (NULL == ch)
+ return;
+ env = GNUNET_MQ_msg(msg, GNUNET_MESSAGE_TYPE_CADET_CLI);
+ GNUNET_MQ_send(GNUNET_CADET_get_mq(ch), env);
}
-
/**
- * Call CADET's monitor API, get info of one connection.
+ * Check data message sanity. Does nothing so far (all messages are OK).
*
* @param cls Closure (unused).
- * @param tc TaskContext
+ * @param message The message to check.
+ * @return #GNUNET_OK to keep the channel open,
+ * #GNUNET_SYSERR to close it (signal serious error).
*/
-static void
-create_channel (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+static int
+check_data(void *cls, const struct GNUNET_MessageHeader *message)
{
- struct GNUNET_PeerIdentity pid;
- enum GNUNET_CADET_ChannelOption opt;
-
- GNUNET_assert (NULL == ch);
-
- if (GNUNET_OK !=
- GNUNET_CRYPTO_eddsa_public_key_from_string (target_id,
- strlen (target_id),
- &pid.public_key))
- {
- FPRINTF (stderr,
- _("Invalid target `%s'\n"),
- target_id);
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connecting to `%s'\n", target_id);
- opt = GNUNET_CADET_OPTION_DEFAULT | GNUNET_CADET_OPTION_RELIABLE;
- ch = GNUNET_CADET_channel_create (mh, NULL, &pid, target_port, opt);
- if (GNUNET_NO == echo)
- listen_stdio ();
- else
- GNUNET_SCHEDULER_add_now (send_echo, NULL);
+ return GNUNET_OK; /* all is well-formed */
}
* in order to receive the next message. This doesn't need to be immediate:
* can be delayed if some processing is done on the message.
*
- * @param cls Closure (set from #GNUNET_CADET_connect).
- * @param channel Connection to the other end.
- * @param channel_ctx Place to store local state associated with the channel.
+ * @param cls NULL
* @param message The actual message.
- * @return #GNUNET_OK to keep the channel open,
- * #GNUNET_SYSERR to close it (signal serious error).
*/
-static int
-data_callback (void *cls,
- struct GNUNET_CADET_Channel *channel,
- void **channel_ctx,
- const struct GNUNET_MessageHeader *message)
+static void
+handle_data(void *cls, const struct GNUNET_MessageHeader *message)
{
+ size_t payload_size = ntohs(message->size) - sizeof(*message);
uint16_t len;
ssize_t done;
uint16_t off;
const char *buf;
- GNUNET_break (ch == channel);
+ GNUNET_CADET_receive_done(ch);
if (GNUNET_YES == echo)
- {
- if (0 != listen_port)
{
- /* Just listening to echo incoming messages*/
- GNUNET_CADET_notify_transmit_ready (channel, GNUNET_NO,
- GNUNET_TIME_UNIT_FOREVER_REL,
- sizeof (struct GNUNET_MessageHeader),
- &data_ready, NULL);
- return GNUNET_OK;
- }
- else
- {
- struct GNUNET_TIME_Relative latency;
-
- latency = GNUNET_TIME_absolute_get_duration (echo_time);
- echo_time = GNUNET_TIME_UNIT_FOREVER_ABS;
- FPRINTF (stdout, "time: %s\n",
- GNUNET_STRINGS_relative_time_to_string (latency, GNUNET_NO));
- echo_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
- &send_echo, NULL);
+ if (NULL != listen_port)
+ {
+ struct GNUNET_MQ_Envelope *env;
+ struct GNUNET_MessageHeader *msg;
+
+ env =
+ GNUNET_MQ_msg_extra(msg, payload_size, GNUNET_MESSAGE_TYPE_CADET_CLI);
+ GNUNET_memcpy(&msg[1], &message[1], payload_size);
+ GNUNET_MQ_send(GNUNET_CADET_get_mq(ch), env);
+ return;
+ }
+ else
+ {
+ struct GNUNET_TIME_Relative latency;
+
+ latency = GNUNET_TIME_absolute_get_duration(echo_time);
+ echo_time = GNUNET_TIME_UNIT_FOREVER_ABS;
+ GNUNET_log(GNUNET_ERROR_TYPE_MESSAGE,
+ "time: %s\n",
+ GNUNET_STRINGS_relative_time_to_string(latency, GNUNET_NO));
+ echo_task = GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_UNIT_SECONDS,
+ &send_echo,
+ NULL);
+ }
}
- }
- len = ntohs (message->size) - sizeof (*message);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got %u bytes\n", len);
- buf = (const char *) &message[1];
+ len = ntohs(message->size) - sizeof(*message);
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Got %u bytes\n", len);
+ buf = (const char *)&message[1];
off = 0;
while (off < len)
- {
- done = write (1, &buf[off], len - off);
- if (done <= 0)
{
- if (-1 == done)
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
- "write");
- return GNUNET_SYSERR;
+ done = write(1, &buf[off], len - off);
+ if (done <= 0)
+ {
+ if (-1 == done)
+ GNUNET_log_strerror(GNUNET_ERROR_TYPE_WARNING, "write");
+ GNUNET_SCHEDULER_shutdown();
+ return;
+ }
+ off += done;
}
- off += done;
- }
- return GNUNET_OK;
}
* After last peer has been reported, an additional call with NULL is done.
*
* @param cls Closure.
- * @param peer Peer, or NULL on "EOF".
- * @param tunnel Do we have a tunnel towards this peer?
- * @param n_paths Number of known paths towards this peer.
- * @param best_path How long is the best path?
- * (0 = unknown, 1 = ourselves, 2 = neighbor)
+ * @param ple information about peer, or NULL on "EOF".
*/
static void
-peers_callback (void *cls, const struct GNUNET_PeerIdentity *peer,
- int tunnel, unsigned int n_paths, unsigned int best_path)
+peers_callback(void *cls, const struct GNUNET_CADET_PeerListEntry *ple)
{
- if (NULL == peer)
- {
- if (GNUNET_YES != monitor_connections)
+ if (NULL == ple)
{
+ plo = NULL;
GNUNET_SCHEDULER_shutdown();
+ return;
}
- return;
- }
- FPRINTF (stdout, "%s tunnel: %c, paths: %u\n",
- GNUNET_i2s_full (peer), tunnel ? 'Y' : 'N', n_paths);
+ fprintf(stdout,
+ "%s tunnel: %c, paths: %u\n",
+ GNUNET_i2s_full(&ple->peer),
+ ple->have_tunnel ? 'Y' : 'N',
+ ple->n_paths);
}
+
/**
- * Method called to retrieve information about a specific peer
+ * Method called to retrieve information about paths to a specific peer
* known to the service.
*
* @param cls Closure.
- * @param peer Peer ID.
- * @param tunnel Do we have a tunnel towards this peer? #GNUNET_YES/#GNUNET_NO
- * @param neighbor Is this a direct neighbor? #GNUNET_YES/#GNUNET_NO
- * @param n_paths Number of paths known towards peer.
- * @param paths Array of PEER_IDs representing all paths to reach the peer.
- * Each path starts with the local peer.
- * Each path ends with the destination peer (given in @c peer).
+ * @param ppd path detail
*/
-void
-peer_callback (void *cls,
- const struct GNUNET_PeerIdentity *peer,
- int tunnel,
- int neighbor,
- unsigned int n_paths,
- struct GNUNET_PeerIdentity *paths)
+static void
+path_callback(void *cls, const struct GNUNET_CADET_PeerPathDetail *ppd)
{
+ if (NULL == ppd)
+ {
+ gpo = NULL;
+ GNUNET_SCHEDULER_shutdown();
+ return;
+ }
+ fprintf(stdout, "Path of length %u: ", ppd->path_length);
+ for (unsigned int i = 0; i < ppd->path_length; i++)
+ fprintf(stdout,
+ (i == ppd->target_offset) ? "*%s* " : "%s ",
+ GNUNET_i2s(&ppd->path[i]));
+ fprintf(stdout, "\n");
}
* Method called to retrieve information about all tunnels in CADET.
*
* @param cls Closure.
- * @param peer Destination peer.
- * @param channels Number of channels.
- * @param connections Number of connections.
- * @param estate Encryption state.
- * @param cstate Connectivity state.
+ * @param td tunnel details
*/
-void
-tunnels_callback (void *cls,
- const struct GNUNET_PeerIdentity *peer,
- unsigned int channels,
- unsigned int connections,
- uint16_t estate,
- uint16_t cstate)
+static void
+tunnels_callback(void *cls, const struct GNUNET_CADET_TunnelDetails *td)
{
- if (NULL == peer)
- {
- if (GNUNET_YES != monitor_connections)
+ if (NULL == td)
{
+ tio = NULL;
GNUNET_SCHEDULER_shutdown();
+ return;
}
- return;
- }
- FPRINTF (stdout, "%s [ENC: %u, CON: %u] CHs: %u, CONNs: %u\n",
- GNUNET_i2s_full (peer), estate, cstate, channels, connections);
-}
-
-
-/**
- * Method called to retrieve information about a specific tunnel the cadet peer
- * has established, o`r is trying to establish.
- *
- * @param cls Closure.
- * @param peer Peer towards whom the tunnel is directed.
- * @param n_channels Number of channels.
- * @param n_connections Number of connections.
- * @param channels Channels.
- * @param connections Connections.
- * @param estate Encryption status.
- * @param cstate Connectivity status.
- */
-void
-tunnel_callback (void *cls,
- const struct GNUNET_PeerIdentity *peer,
- unsigned int n_channels,
- unsigned int n_connections,
- uint32_t *channels,
- struct GNUNET_CADET_Hash *connections,
- unsigned int estate,
- unsigned int cstate)
-{
- unsigned int i;
-
- if (NULL != peer)
- {
- FPRINTF (stdout, "Tunnel %s\n", GNUNET_i2s_full (peer));
- FPRINTF (stdout, "- %u channels\n", n_channels);
- for (i = 0; i < n_channels; i++)
- FPRINTF (stdout, " %u\n", channels[i]);
- FPRINTF (stdout, "- %u connections\n", n_connections);
- for (i = 0; i < n_connections; i++)
- FPRINTF (stdout, " %s\n", GM_h2s (&connections[i]));
- FPRINTF (stdout, "- enc state: %u\n", estate);
- FPRINTF (stdout, "- con state: %u\n", cstate);
- }
- if (GNUNET_YES != monitor_connections)
- {
- GNUNET_SCHEDULER_shutdown();
- }
- return;
-
+ fprintf(stdout,
+ "%s [ENC: %s, CON: %s] CHs: %u, CONNs: %u\n",
+ GNUNET_i2s_full(&td->peer),
+ enc_2s(td->estate),
+ conn_2s(td->cstate),
+ td->channels,
+ td->connections);
}
* Call CADET's meta API, get all peers known to a peer.
*
* @param cls Closure (unused).
- * @param tc TaskContext
*/
static void
-get_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+get_peers(void *cls)
{
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutdown\n");
- return;
- }
- GNUNET_CADET_get_peers (mh, &peers_callback, NULL);
+ job = NULL;
+ plo = GNUNET_CADET_list_peers(my_cfg, &peers_callback, NULL);
}
* Call CADET's monitor API, get info of one peer.
*
* @param cls Closure (unused).
- * @param tc TaskContext
*/
static void
-show_peer (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+show_peer(void *cls)
{
struct GNUNET_PeerIdentity pid;
- if (GNUNET_OK !=
- GNUNET_CRYPTO_eddsa_public_key_from_string (peer_id,
- strlen (peer_id),
- &pid.public_key))
- {
- fprintf (stderr,
- _("Invalid peer ID `%s'\n"),
- peer_id);
- GNUNET_SCHEDULER_shutdown();
- return;
- }
- GNUNET_CADET_get_peer (mh, &pid, peer_callback, NULL);
-}
-
-/**
- * Call CADET's meta API, get all tunnels known to a peer.
- *
- * @param cls Closure (unused).
- * @param tc TaskContext
- */
-static void
-get_tunnels (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutdown\n");
- return;
- }
- GNUNET_CADET_get_tunnels (mh, &tunnels_callback, NULL);
+ job = NULL;
+ if (GNUNET_OK != GNUNET_CRYPTO_eddsa_public_key_from_string(peer_id,
+ strlen(peer_id),
+ &pid.public_key))
+ {
+ fprintf(stderr, _("Invalid peer ID `%s'\n"), peer_id);
+ GNUNET_SCHEDULER_shutdown();
+ return;
+ }
+ gpo = GNUNET_CADET_get_path(my_cfg, &pid, &path_callback, NULL);
}
/**
- * Call CADET's monitor API, get info of one tunnel.
+ * Call CADET's meta API, get all tunnels known to a peer.
*
* @param cls Closure (unused).
- * @param tc TaskContext
*/
static void
-show_tunnel (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+get_tunnels(void *cls)
{
- struct GNUNET_PeerIdentity pid;
-
- if (GNUNET_OK !=
- GNUNET_CRYPTO_eddsa_public_key_from_string (tunnel_id,
- strlen (tunnel_id),
- &pid.public_key))
- {
- fprintf (stderr,
- _("Invalid tunnel owner `%s'\n"),
- tunnel_id);
- GNUNET_SCHEDULER_shutdown();
- return;
- }
- GNUNET_CADET_get_tunnel (mh, &pid, tunnel_callback, NULL);
+ job = NULL;
+ tio = GNUNET_CADET_list_tunnels(my_cfg, &tunnels_callback, NULL);
}
* Call CADET's monitor API, get info of one channel.
*
* @param cls Closure (unused).
- * @param tc TaskContext
*/
static void
-show_channel (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+show_channel(void *cls)
{
-
+ job = NULL;
+ GNUNET_break(0);
}
* Call CADET's monitor API, get info of one connection.
*
* @param cls Closure (unused).
- * @param tc TaskContext
*/
static void
-show_connection (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+show_connection(void *cls)
{
-
+ job = NULL;
+ GNUNET_break(0);
}
* @param cfg configuration
*/
static void
-run (void *cls, char *const *args, const char *cfgfile,
- const struct GNUNET_CONFIGURATION_Handle *cfg)
+run(void *cls,
+ char *const *args,
+ const char *cfgfile,
+ const struct GNUNET_CONFIGURATION_Handle *cfg)
{
- GNUNET_CADET_InboundChannelNotificationHandler *newch = NULL;
- GNUNET_CADET_ChannelEndHandler *endch = NULL;
- static const struct GNUNET_CADET_MessageHandler handlers[] = {
- {&data_callback, GNUNET_MESSAGE_TYPE_CADET_CLI, 0},
- {NULL, 0, 0} /* FIXME add option to monitor msg types */
- };
- static uint32_t *ports = NULL;
- /* FIXME add option to monitor apps */
+ struct GNUNET_MQ_MessageHandler handlers[] =
+ { GNUNET_MQ_hd_var_size(data,
+ GNUNET_MESSAGE_TYPE_CADET_CLI,
+ struct GNUNET_MessageHeader,
+ NULL),
+ GNUNET_MQ_handler_end() };
+ /* FIXME add option to monitor apps */
+ my_cfg = cfg;
target_id = args[0];
- target_port = args[0] && args[1] ? atoi(args[1]) : 0;
- if ( (0 != (request_peers | request_tunnels)
- || 0 != monitor_connections
- || NULL != tunnel_id
- || NULL != conn_id
- || NULL != channel_id)
- && target_id != NULL)
- {
- FPRINTF (stderr,
- _("You must NOT give a TARGET"
- "when using 'request all' options\n"));
- return;
- }
+ if (target_id && args[1])
+ target_port = args[1];
- if (NULL != target_id)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Creating channel to %s\n",
- target_id);
- GNUNET_SCHEDULER_add_now (&create_channel, NULL);
- endch = &channel_ended;
- }
- else if (0 != listen_port)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Listen\n");
- newch = &channel_incoming;
- endch = &channel_ended;
- ports = GNUNET_malloc (sizeof (uint32_t) * 2);
- ports[0] = listen_port;
- }
- else if (NULL != peer_id)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Show peer\n");
- GNUNET_SCHEDULER_add_now (&show_peer, NULL);
- }
- else if (NULL != tunnel_id)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Show tunnel\n");
- GNUNET_SCHEDULER_add_now (&show_tunnel, NULL);
- }
+ if ((0 != (request_peers | request_tunnels) || NULL != conn_id ||
+ NULL != channel_id) &&
+ target_id != NULL)
+ {
+ fprintf(stderr,
+ _("Extra arguments are not applicable "
+ "in combination with this option.\n"));
+ return;
+ }
+
+ if (NULL != peer_id)
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Show peer\n");
+ job = GNUNET_SCHEDULER_add_now(&show_peer, NULL);
+ }
else if (NULL != channel_id)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Show channel\n");
- GNUNET_SCHEDULER_add_now (&show_channel, NULL);
- }
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Show channel\n");
+ job = GNUNET_SCHEDULER_add_now(&show_channel, NULL);
+ }
else if (NULL != conn_id)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Show connection\n");
- GNUNET_SCHEDULER_add_now (&show_connection, NULL);
- }
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Show connection\n");
+ job = GNUNET_SCHEDULER_add_now(&show_connection, NULL);
+ }
else if (GNUNET_YES == request_peers)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Show all peers\n");
- GNUNET_SCHEDULER_add_now (&get_peers, NULL);
- }
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Show all peers\n");
+ job = GNUNET_SCHEDULER_add_now(&get_peers, NULL);
+ }
else if (GNUNET_YES == request_tunnels)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Show all tunnels\n");
- GNUNET_SCHEDULER_add_now (&get_tunnels, NULL);
- }
- else
- {
- FPRINTF (stderr, "No action requested\n");
- return;
- }
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connecting to cadet\n");
- mh = GNUNET_CADET_connect (cfg,
- NULL, /* cls */
- newch, /* new channel */
- endch, /* cleaner */
- handlers,
- ports);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Done\n");
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Show all tunnels\n");
+ job = GNUNET_SCHEDULER_add_now(&get_tunnels, NULL);
+ }
+
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Connecting to CADET service\n");
+ mh = GNUNET_CADET_connect(cfg);
+ GNUNET_SCHEDULER_add_shutdown(&shutdown_task, NULL);
if (NULL == mh)
- GNUNET_SCHEDULER_add_now (shutdown_task, NULL);
- else
- sd = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
- shutdown_task, NULL);
+ {
+ GNUNET_SCHEDULER_shutdown();
+ return;
+ }
+ if (NULL != listen_port)
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Opening CADET listen port\n");
+ GNUNET_CRYPTO_hash(listen_port, strlen(listen_port), &porthash);
+ lp = GNUNET_CADET_open_port(mh,
+ &porthash,
+ &channel_incoming,
+ NULL,
+ NULL /* window changes */,
+ &channel_ended,
+ handlers);
+ }
+ if (NULL != target_id)
+ {
+ struct GNUNET_PeerIdentity pid;
+
+ if (GNUNET_OK !=
+ GNUNET_CRYPTO_eddsa_public_key_from_string(target_id,
+ strlen(target_id),
+ &pid.public_key))
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_MESSAGE,
+ _("Invalid target `%s'\n"),
+ target_id);
+ GNUNET_SCHEDULER_shutdown();
+ return;
+ }
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Connecting to `%s:%s'\n",
+ target_id,
+ target_port);
+ GNUNET_CRYPTO_hash(target_port, strlen(target_port), &porthash);
+ ch = GNUNET_CADET_channel_create(mh,
+ NULL,
+ &pid,
+ &porthash,
+ NULL /* window changes */,
+ &channel_ended,
+ handlers);
+ if (GNUNET_YES == echo)
+ {
+ echo_task = GNUNET_SCHEDULER_add_now(&send_echo, NULL);
+ }
+ else
+ {
+ listen_stdio();
+ }
+ }
+ if ((NULL == lp) && (NULL == job) && (NULL == ch))
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_MESSAGE, _("No action requested\n"));
+ GNUNET_SCHEDULER_shutdown();
+ return;
+ }
}
* @return 0 ok, 1 on error
*/
int
-main (int argc, char *const *argv)
+main(int argc, char *const *argv)
{
int res;
- const char helpstr[] = "Create channels and retreive info about cadets status.";
- static const struct GNUNET_GETOPT_CommandLineOption options[] = {
-// {'a', "channel", "TUNNEL_ID:CHANNEL_ID",
-// gettext_noop ("provide information about a particular channel"),
-// GNUNET_YES, &GNUNET_GETOPT_set_string, &channel_id},
- {'C', "connection", "CONNECTION_ID",
- gettext_noop ("provide information about a particular connection"),
- GNUNET_YES, &GNUNET_GETOPT_set_string, &conn_id},
- {'e', "echo", NULL,
- gettext_noop ("activate echo mode"),
- GNUNET_NO, &GNUNET_GETOPT_set_one, &echo},
-// {'m', "monitor", NULL,
-// gettext_noop ("provide information about all events (continuously)"),
-// GNUNET_NO, &GNUNET_GETOPT_set_one, &monitor_mode},
- {'o', "open-port", NULL,
- gettext_noop ("port to listen to (default; 0)"),
- GNUNET_YES, &GNUNET_GETOPT_set_uint, &listen_port},
- {'p', "peer", "PEER_ID",
- gettext_noop ("provide information about a patricular peer"),
- GNUNET_YES, &GNUNET_GETOPT_set_string, &peer_id},
- {'P', "peers", NULL,
- gettext_noop ("provide information about all peers"),
- GNUNET_NO, &GNUNET_GETOPT_set_one, &request_peers},
- {'t', "tunnel", "TUNNEL_ID",
- gettext_noop ("provide information about a particular tunnel"),
- GNUNET_YES, &GNUNET_GETOPT_set_string, &tunnel_id},
- {'T', "tunnels", NULL,
- gettext_noop ("provide information about all tunnels"),
- GNUNET_NO, &GNUNET_GETOPT_set_one, &request_tunnels},
-
+ const char helpstr[] =
+ "Create tunnels and retrieve info about CADET's status.";
+ struct GNUNET_GETOPT_CommandLineOption options[] =
+ { /* I would use the terminology 'circuit' here... --lynX */
+ GNUNET_GETOPT_option_string(
+ 'C',
+ "connection",
+ "CONNECTION_ID",
+ gettext_noop("Provide information about a particular connection"),
+ &conn_id),
+ GNUNET_GETOPT_option_flag('e',
+ "echo",
+ gettext_noop("Activate echo mode"),
+ &echo),
+ GNUNET_GETOPT_option_string(
+ 'o',
+ "open-port",
+ "SHARED_SECRET",
+ gettext_noop(
+ "Listen for connections using a shared secret among sender and recipient"),
+ &listen_port),
+ GNUNET_GETOPT_option_string('p',
+ "peer",
+ "PEER_ID",
+ gettext_noop(
+ "Provide information about a patricular peer"),
+ &peer_id),
+ GNUNET_GETOPT_option_flag('P',
+ "peers",
+ gettext_noop(
+ "Provide information about all peers"),
+ &request_peers),
+ GNUNET_GETOPT_option_flag('T',
+ "tunnels",
+ gettext_noop(
+ "Provide information about all tunnels"),
+ &request_tunnels),
GNUNET_GETOPT_OPTION_END
};
- monitor_connections = GNUNET_NO;
-
- if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+ if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args(argc, argv, &argc, &argv))
return 2;
- res = GNUNET_PROGRAM_run (argc, argv, "gnunet-cadet (OPTIONS | TARGET PORT)",
- gettext_noop (helpstr),
- options, &run, NULL);
+ res = GNUNET_PROGRAM_run(argc,
+ argv,
+ "gnunet-cadet (OPTIONS | PEER_ID SHARED_SECRET)",
+ gettext_noop(helpstr),
+ options,
+ &run,
+ NULL);
- GNUNET_free ((void *) argv);
+ GNUNET_free((void *)argv);
if (GNUNET_OK == res)
return 0;
- else
- return 1;
+ return 1;
}
/* end of gnunet-cadet.c */
projects / oweals / gnunet.git / blobdiff