22 files changed, 324 insertions, 262 deletions

diff --git a/src/conversation/conversation.conf.in b/src/conversation/conversation.conf.in
index e966ed6d9..b28fb6e1f 100644
--- a/src/conversation/conversation.conf.in
+++ b/src/conversation/conversation.conf.in
@@ -1,5 +1,5 @@
 [conversation]
-AUTOSTART = @AUTOSTART@
+START_ON_DEMAND = @START_ON_DEMAND@
 BINARY = gnunet-service-conversation
 UNIXPATH = $GNUNET_RUNTIME_DIR/gnunet-service-conversation.sock
 HOSTNAME = localhost
diff --git a/src/conversation/conversation.h b/src/conversation/conversation.h
index 1ca816f0e..0a71fd723 100644
--- a/src/conversation/conversation.h
+++ b/src/conversation/conversation.h
@@ -2,20 +2,18 @@
      This file is part of GNUnet.
      Copyright (C) 2013-2016 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.
-
-     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., 51 Franklin Street, Fifth Floor,
-     Boston, MA 02110-1301, USA.
+     Affero General Public License for more details.
+    
+     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/>.
 */
 
 /**
diff --git a/src/conversation/conversation_api.c b/src/conversation/conversation_api.c
index 00ee3d3ea..b7f1af0cf 100644
--- a/src/conversation/conversation_api.c
+++ b/src/conversation/conversation_api.c
@@ -2,20 +2,18 @@
   This file is part of GNUnet
   Copyright (C) 2013, 2014 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.
-
-  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., 51 Franklin Street, Fifth Floor,
-  Boston, MA 02110-1301, USA.
+  Affero General Public License for more details.
+ 
+  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/>.
  */
 
 /**
diff --git a/src/conversation/conversation_api_call.c b/src/conversation/conversation_api_call.c
index 816920f0f..dee4a6095 100644
--- a/src/conversation/conversation_api_call.c
+++ b/src/conversation/conversation_api_call.c
@@ -2,20 +2,18 @@
   This file is part of GNUnet
   Copyright (C) 2013, 2016 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.
-
-  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., 51 Franklin Street, Fifth Floor,
-  Boston, MA 02110-1301, USA.
+  Affero General Public License for more details.
+ 
+  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/>.
  */
 
 /**
diff --git a/src/conversation/gnunet-conversation-test.c b/src/conversation/gnunet-conversation-test.c
index 804df4c88..2c9ed715b 100644
--- a/src/conversation/gnunet-conversation-test.c
+++ b/src/conversation/gnunet-conversation-test.c
@@ -2,20 +2,18 @@
      This file is part of GNUnet.
      Copyright (C) 2013 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.
-
-     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., 51 Franklin Street, Fifth Floor,
-     Boston, MA 02110-1301, USA.
+     Affero General Public License for more details.
+    
+     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/>.
 */
 
 /**
@@ -102,6 +100,7 @@ do_shutdown (void *cls)
 {
   struct Recording *rec;
 
+  (void) cls;
   if (NULL != switch_task)
     GNUNET_SCHEDULER_cancel (switch_task);
   if (NULL != microphone)
@@ -128,8 +127,7 @@ do_shutdown (void *cls)
 static void
 switch_to_speaker (void *cls)
 {
-  struct Recording *rec;
-
+  (void) cls;
   switch_task = NULL;
   microphone->disable_microphone (microphone->cls);
   if (GNUNET_OK !=
@@ -143,7 +141,7 @@ switch_to_speaker (void *cls)
   }
   fprintf (stderr,
            _("\nWe are now playing your recording back.  If you can hear it, your audio settings are working..."));
-  for (rec=rec_head; NULL != rec; rec = rec->next)
+  for (struct Recording *rec=rec_head; NULL != rec; rec = rec->next)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                 "Replaying %u bytes\n",
@@ -173,6 +171,7 @@ record (void *cls,
 {
   struct Recording *rec;
 
+  (void) cls;
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Recorded %u bytes\n",
               (unsigned int) data_size);
@@ -194,9 +193,14 @@ record (void *cls,
  * @param cfg configuration
  */
 static void
-run (void *cls, char *const *args, const char *cfgfile,
+run (void *cls,
+     char *const *args,
+     const char *cfgfile,
      const struct GNUNET_CONFIGURATION_Handle *cfg)
 {
+  (void) cls;
+  (void) args;
+  (void) cfgfile;
   microphone = GNUNET_MICROPHONE_create_from_hardware (cfg);
   GNUNET_assert (NULL != microphone);
   speaker = GNUNET_SPEAKER_create_from_hardware (cfg);
@@ -230,17 +234,24 @@ run (void *cls, char *const *args, const char *cfgfile,
  * @return 0 ok, 1 on error
  */
 int
-main (int argc, char *const *argv)
+main (int argc,
+      char *const *argv)
 {
   static const struct GNUNET_GETOPT_CommandLineOption options[] = {
     GNUNET_GETOPT_OPTION_END
   };
-  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;
 
   ret = (GNUNET_OK ==
-         GNUNET_PROGRAM_run (argc, argv, "gnunet-conversation-test",
-                             gettext_noop ("help text"), options, &run,
+         GNUNET_PROGRAM_run (argc, argv,
+                             "gnunet-conversation-test",
+                             gettext_noop ("help text"),
+                             options,
+                             &run,
                              NULL)) ? ret : 1;
   GNUNET_free ((void*) argv);
   return ret;
diff --git a/src/conversation/gnunet-conversation.c b/src/conversation/gnunet-conversation.c
index 70ccedbee..bb4946720 100644
--- a/src/conversation/gnunet-conversation.c
+++ b/src/conversation/gnunet-conversation.c
@@ -2,20 +2,18 @@
   This file is part of GNUnet.
   Copyright (C) 2013 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.
-
-  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., 51 Franklin Street, Fifth Floor,
-  Boston, MA 02110-1301, USA.
+  Affero General Public License for more details.
+ 
+  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/>.
 */
 /**
  * @file conversation/gnunet-conversation.c
@@ -266,6 +264,13 @@ phone_event_handler (void *cls,
   switch (code)
   {
   case GNUNET_CONVERSATION_EC_PHONE_RING:
+    /*
+     * FIXME: we should be playing our ringtones from contrib/sounds now!
+     *
+    ring_my_bell();
+     *
+     * see https://gstreamer.freedesktop.org/documentation/application-development/highlevel/playback-components.html on how to play a wav using the gst framework being used here
+     */
     FPRINTF (stdout,
              _("Incoming call from `%s'. Please /accept %u or /cancel %u the call.\n"),
              GNUNET_GNSRECORD_pkey_to_zkey (caller_id),
@@ -719,7 +724,7 @@ do_status (const char *args)
       break;
     case CS_RINGING:
       FPRINTF (stdout,
-               _("We are calling `%s', his phone should be ringing.\n"),
+               _("We are calling `%s', their phone should be ringing.\n"),
                peer_name);
       break;
     case CS_CONNECTED:
diff --git a/src/conversation/gnunet-helper-audio-playback-gst.c b/src/conversation/gnunet-helper-audio-playback-gst.c
index 002fed6c7..b3656417e 100644
--- a/src/conversation/gnunet-helper-audio-playback-gst.c
+++ b/src/conversation/gnunet-helper-audio-playback-gst.c
@@ -2,20 +2,18 @@
      This file is part of GNUnet.
      Copyright (C) 2013 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.
-
-     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., 51 Franklin Street, Fifth Floor,
-     Boston, MA 02110-1301, USA.
+     Affero General Public License for more details.
+    
+     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/>.
 */
 /**
  * @file conversation/gnunet-helper-audio-playback-gst.c
diff --git a/src/conversation/gnunet-helper-audio-playback.c b/src/conversation/gnunet-helper-audio-playback.c
index 18f63ad18..093b08ec3 100644
--- a/src/conversation/gnunet-helper-audio-playback.c
+++ b/src/conversation/gnunet-helper-audio-playback.c
@@ -2,20 +2,18 @@
      This file is part of GNUnet.
      Copyright (C) 2013 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.
-
-     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., 51 Franklin Street, Fifth Floor,
-     Boston, MA 02110-1301, USA.
+     Affero General Public License for more details.
+    
+     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/>.
 */
 /**
  * @file conversation/gnunet-helper-audio-playback.c
@@ -149,17 +147,22 @@ process_header (ogg_packet *op)
   OpusDecoder *dec;
   struct OpusHeadPacket header;
 
-  if (op->bytes < sizeof (header))
+  if ( ((unsigned int) op->bytes) < sizeof (header))
     return NULL;
-  GNUNET_memcpy (&header, op->packet, sizeof (header));
+  GNUNET_memcpy (&header,
+                 op->packet,
+                 sizeof (header));
   header.preskip = GNUNET_le16toh (header.preskip);
   header.sampling_rate = GNUNET_le32toh (header.sampling_rate);
   header.gain = GNUNET_le16toh (header.gain);
 
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Header: v%u, %u-ch, skip %u, %uHz, %u gain\n",
-               header.version, header.channels, header.preskip, header.sampling_rate, header.gain);
-
+              header.version,
+              header.channels,
+              header.preskip,
+              header.sampling_rate,
+              header.gain);
   channels = header.channels;
   preskip = header.preskip;
 
@@ -338,7 +341,8 @@ audio_write (int64_t maxout)
 static void
 quit (int ret)
 {
-  mainloop_api->quit (mainloop_api, ret);
+  mainloop_api->quit (mainloop_api,
+                      ret);
   exit (ret);
 }
 
@@ -544,6 +548,7 @@ ogg_demux_and_decode ()
   }
 }
 
+
 /**
  * Message callback
  *
@@ -560,6 +565,7 @@ stdin_receiver (void *cls,
   char *data;
   size_t payload_len;
 
+  (void) cls;
   switch (ntohs (msg->type))
   {
   case GNUNET_MESSAGE_TYPE_CONVERSATION_AUDIO:
@@ -590,6 +596,9 @@ stream_write_callback (pa_stream *s,
                        void *userdata)
 {
   /* unblock 'main' */
+  (void) userdata;
+  (void) length;
+  (void) s;
   if (-1 != ready_pipe[1])
   {
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
@@ -608,6 +617,10 @@ exit_signal_callback (pa_mainloop_api *m,
                       int sig,
                       void *userdata)
 {
+  (void) m;
+  (void) e;
+  (void) sig;
+  (void) userdata;
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
               _("gnunet-helper-audio-playback - Got signal, exiting\n"));
   quit (1);
@@ -623,6 +636,7 @@ context_state_callback (pa_context *c,
 {
   int p;
 
+  (void) userdata;
   GNUNET_assert (NULL != c);
   switch (pa_context_get_state (c))
   {
@@ -735,7 +749,11 @@ ogg_init ()
 static void
 drain_callback (pa_stream*s, int success, void *userdata)
 {
-  pa_threaded_mainloop_signal (m, 0);
+  (void) s;
+  (void) success;
+  (void) userdata;
+  pa_threaded_mainloop_signal (m,
+                               0);
 }
 
 
@@ -750,7 +768,6 @@ int
 main (int argc, char *argv[])
 {
   static unsigned long long toff;
-
   char readbuf[MAXLINE];
   struct GNUNET_MessageStreamTokenizer *stdin_mst;
   char c;
@@ -759,6 +776,8 @@ main (int argc, char *argv[])
   int read_pure_ogg = getenv ("GNUNET_READ_PURE_OGG") ? 1 : 0;
 #endif
 
+  (void) argc;
+  (void) argv;
   GNUNET_assert (GNUNET_OK ==
                  GNUNET_log_setup ("gnunet-helper-audio-playback",
                                    "WARNING",
@@ -783,7 +802,9 @@ main (int argc, char *argv[])
 #endif
   while (1)
   {
-    ret = read (0, readbuf, sizeof (readbuf));
+    ret = read (STDIN_FILENO,
+                readbuf,
+                sizeof (readbuf));
     toff += ret;
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                 "Received %d bytes of audio data (total: %llu)\n",
diff --git a/src/conversation/gnunet-helper-audio-record-gst.c b/src/conversation/gnunet-helper-audio-record-gst.c
index b9aed4ea7..fbba7da39 100644
--- a/src/conversation/gnunet-helper-audio-record-gst.c
+++ b/src/conversation/gnunet-helper-audio-record-gst.c
@@ -2,20 +2,18 @@
      This file is part of GNUnet.
      Copyright (C) 2013 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.
-
-     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., 51 Franklin Street, Fifth Floor,
-     Boston, MA 02110-1301, USA.
+     Affero General Public License for more details.
+    
+     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/>.
 */
 /**
  * @file conversation/gnunet-helper-audio-record-gst.c
diff --git a/src/conversation/gnunet-helper-audio-record.c b/src/conversation/gnunet-helper-audio-record.c
index 82bb6d5b3..89800faa2 100644
--- a/src/conversation/gnunet-helper-audio-record.c
+++ b/src/conversation/gnunet-helper-audio-record.c
@@ -2,20 +2,18 @@
      This file is part of GNUnet.
      Copyright (C) 2013 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.
-
-     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., 51 Franklin Street, Fifth Floor,
-     Boston, MA 02110-1301, USA.
+     Affero General Public License for more details.
+    
+     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/>.
 */
 /**
  * @file conversation/gnunet-helper-audio-record.c
@@ -269,30 +267,36 @@ static int dump_pure_ogg;
 static void
 quit (int ret)
 {
-  mainloop_api->quit (mainloop_api, ret);
+  mainloop_api->quit (mainloop_api,
+                      ret);
   exit (ret);
 }
 
 
 static void
-write_data (const char *ptr, size_t msg_size)
+write_data (const char *ptr,
+            size_t msg_size)
 {
   ssize_t ret;
   size_t off;
   off = 0;
   while (off < msg_size)
   {
-    ret = write (1, &ptr[off], msg_size - off);
+    ret = write (STDOUT_FILENO,
+                 &ptr[off],
+                 msg_size - off);
     if (0 >= ret)
     {
       if (-1 == ret)
-        GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "write");
+        GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR,
+                             "write");
       quit (2);
     }
     off += ret;
   }
 }
 
+
 static void
 write_page (ogg_page *og)
 {
@@ -310,12 +314,15 @@ write_page (ogg_page *og)
               toff);
 #ifdef DEBUG_RECORD_PURE_OGG
   if (dump_pure_ogg)
-    write_data ((const char *) &audio_message[1], og->header_len + og->body_len);
+    write_data ((const char *) &audio_message[1],
+                og->header_len + og->body_len);
   else
 #endif
-    write_data ((const char *) audio_message, msg_size);
+    write_data ((const char *) audio_message,
+                msg_size);
 }
 
+
 /**
  * Creates OPUS packets from PCM data
  */
@@ -345,7 +352,7 @@ packetizer ()
                   opus_strerror (len));
       quit (5);
     }
-    if (len > UINT16_MAX - sizeof (struct AudioMessage))
+    if (((uint32_t)len) > UINT16_MAX - sizeof (struct AudioMessage))
     {
       GNUNET_break (0);
       continue;
@@ -365,7 +372,9 @@ packetizer ()
 
     while (ogg_stream_flush_fill (&os, &og, PAGE_WATERLINE))
     {
-      if (og.header_len + og.body_len > UINT16_MAX - sizeof (struct AudioMessage))
+      if ( ((unsigned long long) og.header_len) +
+           ((unsigned long long) og.body_len) >
+           UINT16_MAX - sizeof (struct AudioMessage))
       {
         GNUNET_assert (0);
         continue;
@@ -404,6 +413,7 @@ stream_read_callback (pa_stream * s,
 {
   const void *data;
 
+  (void) userdata;
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Got %u/%d bytes of PCM data\n",
               (unsigned int) length,
@@ -454,6 +464,10 @@ exit_signal_callback (pa_mainloop_api * m,
                       int sig,
                       void *userdata)
 {
+  (void) m;
+  (void) e;
+  (void) sig;
+  (void) userdata;
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
               _("Got signal, exiting.\n"));
   quit (1);
@@ -464,10 +478,11 @@ exit_signal_callback (pa_mainloop_api * m,
  * Pulseaudio stream state callback
  */
 static void
-stream_state_callback (pa_stream * s, void *userdata)
+stream_state_callback (pa_stream * s,
+                       void *userdata)
 {
+  (void) userdata;
   GNUNET_assert (NULL != s);
-
   switch (pa_stream_get_state (s))
   {
   case PA_STREAM_CREATING:
@@ -527,6 +542,7 @@ static void
 context_state_callback (pa_context * c,
                         void *userdata)
 {
+  (void) userdata;
   GNUNET_assert (c);
 
   switch (pa_context_get_state (c))
@@ -659,6 +675,7 @@ opus_init ()
                     OPUS_SET_SIGNAL (CONV_OPUS_SIGNAL));
 }
 
+
 static void
 ogg_init ()
 {
@@ -667,8 +684,8 @@ ogg_init ()
   struct OpusCommentsPacket *commentspacket;
   size_t commentspacket_len;
 
-  serialno = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_STRONG, 0x7FFFFFFF);
-
+  serialno = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_STRONG,
+                                       0x7FFFFFFF);
   /*Initialize Ogg stream struct*/
   if (-1 == ogg_stream_init (&os, serialno))
   {
@@ -755,8 +772,11 @@ ogg_init ()
  * @return 0 ok, 1 on error
  */
 int
-main (int argc, char *argv[])
+main (int argc,
+      char *argv[])
 {
+  (void) argc;
+  (void) argv;
   GNUNET_assert (GNUNET_OK ==
                  GNUNET_log_setup ("gnunet-helper-audio-record",
                                    "WARNING",
diff --git a/src/conversation/gnunet-service-conversation.c b/src/conversation/gnunet-service-conversation.c
index 7d319e51e..059bb158b 100644
--- a/src/conversation/gnunet-service-conversation.c
+++ b/src/conversation/gnunet-service-conversation.c
@@ -2,20 +2,18 @@
   This file is part of GNUnet.
   Copyright (C) 2013, 2016, 2017 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.
-
-  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., 51 Franklin Street, Fifth Floor,
-  Boston, MA 02110-1301, USA.
+  Affero General Public License for more details.
+ 
+  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/>.
 */
 /**
  * @file conversation/gnunet-service-conversation.c
@@ -305,6 +303,47 @@ handle_client_pickup_message (void *cls,
 
 
 /**
+ * Channel went down, notify client and free data
+ * structure.
+ *
+ * @param ch channel that went down
+ */
+static void
+clean_up_channel (struct Channel *ch)
+{
+  struct Line *line = ch->line;
+  struct GNUNET_MQ_Envelope *env;
+  struct ClientPhoneHangupMessage *hup;
+
+  switch (ch->status)
+  {
+  case CS_CALLEE_INIT:
+  case CS_CALLEE_SHUTDOWN:
+  case CS_CALLER_SHUTDOWN:
+    break;
+  case CS_CALLEE_RINGING:
+  case CS_CALLEE_CONNECTED:
+  case CS_CALLER_CALLING:
+  case CS_CALLER_CONNECTED:
+    if (NULL != line)
+    {
+      env = GNUNET_MQ_msg (hup,
+                           GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_HANG_UP);
+      hup->cid = ch->cid;
+      GNUNET_MQ_send (line->mq,
+                      env);
+    }
+    break;
+  }
+  if (NULL != line)
+    GNUNET_CONTAINER_DLL_remove (line->channel_head,
+                                 line->channel_tail,
+                                 ch);
+  GNUNET_free (ch);
+}
+
+
+/**
  * Destroy a channel.
  *
  * @param ch channel to destroy.
@@ -315,7 +354,11 @@ destroy_line_cadet_channels (struct Channel *ch)
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Destroying cadet channels\n");
   if (NULL != ch->channel)
+  {
     GNUNET_CADET_channel_destroy (ch->channel);
+    ch->channel = NULL;
+  }
+  clean_up_channel (ch);
 }
 
 
@@ -605,6 +648,8 @@ static int
 check_client_audio_message (void *cls,
                             const struct ClientAudioMessage *msg)
 {
+  (void) cls;
+  (void) msg;
   return GNUNET_OK;
 }
 
@@ -771,6 +816,7 @@ handle_cadet_hangup_message (void *cls,
   enum ChannelStatus status;
   uint32_t cid;
 
+  (void) message;
   GNUNET_CADET_receive_done (ch->channel);
   cid = ch->cid;
   status = ch->status;
@@ -816,6 +862,7 @@ handle_cadet_pickup_message (void *cls,
   struct GNUNET_MQ_Envelope *env;
   struct ClientPhonePickedupMessage *pick;
 
+  (void) message;
   GNUNET_CADET_receive_done (ch->channel);
   switch (ch->status)
   {
@@ -865,6 +912,7 @@ handle_cadet_suspend_message (void *cls,
   struct GNUNET_MQ_Envelope *env;
   struct ClientPhoneSuspendMessage *suspend;
 
+  (void) message;
   GNUNET_CADET_receive_done (ch->channel);
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Suspending channel CID: %u\n",
@@ -914,6 +962,7 @@ handle_cadet_resume_message (void *cls,
   struct GNUNET_MQ_Envelope *env;
   struct ClientPhoneResumeMessage *resume;
 
+  (void) msg;
   line = ch->line;
   GNUNET_CADET_receive_done (ch->channel);
   if (GNUNET_YES != ch->suspended_remote)
@@ -964,6 +1013,8 @@ static int
 check_cadet_audio_message (void *cls,
                            const struct CadetAudioMessage *msg)
 {
+  (void) cls;
+  (void) msg;
   return GNUNET_OK; /* any payload is fine */
 }
 
@@ -1021,40 +1072,13 @@ inbound_end (void *cls,
              const struct GNUNET_CADET_Channel *channel)
 {
   struct Channel *ch = cls;
-  struct Line *line = ch->line;
-  struct GNUNET_MQ_Envelope *env;
-  struct ClientPhoneHangupMessage *hup;
 
   GNUNET_assert (channel == ch->channel);
   ch->channel = NULL;
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Channel destroyed by CADET in state %d\n",
               ch->status);
-  switch (ch->status)
-  {
-  case CS_CALLEE_INIT:
-  case CS_CALLEE_SHUTDOWN:
-  case CS_CALLER_SHUTDOWN:
-    break;
-  case CS_CALLEE_RINGING:
-  case CS_CALLEE_CONNECTED:
-  case CS_CALLER_CALLING:
-  case CS_CALLER_CONNECTED:
-    if (NULL != line)
-    {
-      env = GNUNET_MQ_msg (hup,
-                           GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_HANG_UP);
-      hup->cid = ch->cid;
-      GNUNET_MQ_send (line->mq,
-                      env);
-    }
-    break;
-  }
-  if (NULL != line)
-    GNUNET_CONTAINER_DLL_remove (line->channel_head,
-                                 line->channel_tail,
-                                 ch);
-  GNUNET_free (ch);
+  clean_up_channel (ch);
 }
 
 
@@ -1152,6 +1176,7 @@ inbound_channel (void *cls,
   struct Line *line = cls;
   struct Channel *ch;
 
+  (void) initiator;
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Received incoming cadet channel on line %p\n",
               line);
@@ -1183,6 +1208,7 @@ client_connect_cb (void *cls,
 {
   struct Line *line;
 
+  (void) cls;
   line = GNUNET_new (struct Line);
   line->client = client;
   line->mq = mq;
@@ -1203,9 +1229,10 @@ client_disconnect_cb (void *cls,
                       void *app_ctx)
 {
   struct Line *line = app_ctx;
-  struct Channel *ch;
   struct Channel *chn;
 
+  (void) cls;
+  (void) client;
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Client disconnected, closing line\n");
   if (NULL != line->port)
@@ -1213,7 +1240,7 @@ client_disconnect_cb (void *cls,
     GNUNET_CADET_close_port (line->port);
     line->port = NULL;
   }
-  for (ch = line->channel_head; NULL != ch; ch = chn)
+  for (struct Channel *ch = line->channel_head; NULL != ch; ch = chn)
   {
     chn = ch->next;
     ch->line = NULL;
@@ -1290,6 +1317,7 @@ handle_client_register_message (void *cls,
 static void
 do_shutdown (void *cls)
 {
+  (void) cls;
   if (NULL != cadet)
   {
     GNUNET_CADET_disconnect (cadet);
@@ -1310,6 +1338,8 @@ run (void *cls,
      const struct GNUNET_CONFIGURATION_Handle *c,
      struct GNUNET_SERVICE_Handle *service)
 {
+  (void) cls;
+  (void) service;
   cfg = c;
   GNUNET_assert (GNUNET_OK ==
                  GNUNET_CRYPTO_get_peer_identity (cfg,
diff --git a/src/conversation/gnunet_gst.c b/src/conversation/gnunet_gst.c
index 828b35077..279c5522b 100644
--- a/src/conversation/gnunet_gst.c
+++ b/src/conversation/gnunet_gst.c
@@ -2,20 +2,18 @@
   This file is part of GNUnet.
   Copyright (C) 2016 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.
-
-  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., 51 Franklin Street, Fifth Floor,
-  Boston, MA 02110-1301, USA.
+  Affero General Public License for more details.
+ 
+  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/>.
 */
 /**
  * @file conversation/gnunet_gst.c
diff --git a/src/conversation/gnunet_gst.h b/src/conversation/gnunet_gst.h
index 266a0d892..69ac0933c 100644
--- a/src/conversation/gnunet_gst.h
+++ b/src/conversation/gnunet_gst.h
@@ -2,20 +2,18 @@
   This file is part of GNUnet.
   Copyright (C) 2016 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.
-
-  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., 51 Franklin Street, Fifth Floor,
-  Boston, MA 02110-1301, USA.
+  Affero General Public License for more details.
+ 
+  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/>.
 */
 /**
  * @file conversation/gnunet_gst.c
diff --git a/src/conversation/gnunet_gst_def.h b/src/conversation/gnunet_gst_def.h
index 980ed2f48..225bb2dc5 100644
--- a/src/conversation/gnunet_gst_def.h
+++ b/src/conversation/gnunet_gst_def.h
@@ -2,20 +2,18 @@
   This file is part of GNUnet.
   Copyright (C) 2016 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.
-
-  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., 51 Franklin Street, Fifth Floor,
-  Boston, MA 02110-1301, USA.
+  Affero General Public License for more details.
+ 
+  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/>.
 */
 /**
  * @file conversation/gnunet_gst_def.h
diff --git a/src/conversation/gnunet_gst_test.c b/src/conversation/gnunet_gst_test.c
index 03f6a4d95..46073ebe3 100644
--- a/src/conversation/gnunet_gst_test.c
+++ b/src/conversation/gnunet_gst_test.c
@@ -2,20 +2,18 @@
   This file is part of GNUnet.
   Copyright (C) 2016 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.
-
-  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., 51 Franklin Street, Fifth Floor,
-  Boston, MA 02110-1301, USA.
+  Affero General Public License for more details.
+ 
+  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/>.
 */
 /**
  * @file conversation/gnunet_gst_test.c
diff --git a/src/conversation/microphone.c b/src/conversation/microphone.c
index 11468fc59..7df436217 100644
--- a/src/conversation/microphone.c
+++ b/src/conversation/microphone.c
@@ -2,20 +2,18 @@
   This file is part of GNUnet
   Copyright (C) 2013 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.
-
-  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., 51 Franklin Street, Fifth Floor,
-  Boston, MA 02110-1301, USA.
+  Affero General Public License for more details.
+ 
+  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/>.
  */
 
 /**
diff --git a/src/conversation/plugin_gnsrecord_conversation.c b/src/conversation/plugin_gnsrecord_conversation.c
index 91cae7261..1825c6d4b 100644
--- a/src/conversation/plugin_gnsrecord_conversation.c
+++ b/src/conversation/plugin_gnsrecord_conversation.c
@@ -2,20 +2,18 @@
      This file is part of GNUnet
      Copyright (C) 2013 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.
-
-     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., 51 Franklin Street, Fifth Floor,
-     Boston, MA 02110-1301, USA.
+     Affero General Public License for more details.
+    
+     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/>.
 */
 
 /**
@@ -51,6 +49,7 @@ conversation_value_to_string (void *cls,
 {
   char *s;
 
+  (void) cls;
   switch (type)
   {
   case GNUNET_GNSRECORD_TYPE_PHONE:
@@ -108,6 +107,7 @@ conversation_string_to_value (void *cls,
                               void **data,
                               size_t *data_size)
 {
+  (void) cls;
   if (NULL == s)
   {
     GNUNET_break (0);
@@ -186,6 +186,7 @@ conversation_typename_to_number (void *cls,
 {
   unsigned int i;
 
+  (void) cls;
   i=0;
   while ( (name_map[i].name != NULL) &&
           (0 != strcasecmp (gns_typename, name_map[i].name)) )
@@ -207,6 +208,7 @@ conversation_number_to_typename (void *cls,
 {
   unsigned int i;
 
+  (void) cls;
   i=0;
   while ( (name_map[i].name != NULL) &&
           (type != name_map[i].number) )
@@ -226,6 +228,7 @@ libgnunet_plugin_gnsrecord_conversation_init (void *cls)
 {
   struct GNUNET_GNSRECORD_PluginFunctions *api;
 
+  (void) cls;
   api = GNUNET_new (struct GNUNET_GNSRECORD_PluginFunctions);
   api->value_to_string = &conversation_value_to_string;
   api->string_to_value = &conversation_string_to_value;
diff --git a/src/conversation/speaker.c b/src/conversation/speaker.c
index deff9e319..7f336d632 100644
--- a/src/conversation/speaker.c
+++ b/src/conversation/speaker.c
@@ -2,20 +2,18 @@
   This file is part of GNUnet
   Copyright (C) 2013 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.
-
-  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., 51 Franklin Street, Fifth Floor,
-  Boston, MA 02110-1301, USA.
+  Affero General Public License for more details.
+ 
+  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/>.
  */
 
 /**
diff --git a/src/conversation/test_conversation.conf b/src/conversation/test_conversation.conf
index 87c4b8f07..e77b41003 100644
--- a/src/conversation/test_conversation.conf
+++ b/src/conversation/test_conversation.conf
@@ -1,4 +1,4 @@
-@INLINE@ ../../contrib/no_forcestart.conf
+@INLINE@ ../../contrib/conf/gnunet/no_forcestart.conf
 
 [conversation]
 LINE=1
diff --git a/src/conversation/test_conversation_api.c b/src/conversation/test_conversation_api.c
index 180f6619f..f96a6e79f 100644
--- a/src/conversation/test_conversation_api.c
+++ b/src/conversation/test_conversation_api.c
@@ -2,20 +2,18 @@
      This file is part of GNUnet.
      Copyright (C) 2013, 2014, 2018 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.
-
-     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., 51 Franklin Street, Fifth Floor,
-     Boston, MA 02110-1301, USA.
+     Affero General Public License for more details.
+    
+     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/>.
 */
 /**
  * @file conversation/test_conversation_api.c
diff --git a/src/conversation/test_conversation_api_reject.c b/src/conversation/test_conversation_api_reject.c
index 284889e49..301574c2f 100644
--- a/src/conversation/test_conversation_api_reject.c
+++ b/src/conversation/test_conversation_api_reject.c
@@ -2,20 +2,18 @@
      This file is part of GNUnet.
      Copyright (C) 2013, 2014, 2018 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.
-
-     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., 51 Franklin Street, Fifth Floor,
-     Boston, MA 02110-1301, USA.
+     Affero General Public License for more details.
+    
+     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/>.
 */
 /**
  * @file conversation/test_conversation_api_reject.c
diff --git a/src/conversation/test_conversation_api_twocalls.c b/src/conversation/test_conversation_api_twocalls.c
index ac3a87fad..499eaba88 100644
--- a/src/conversation/test_conversation_api_twocalls.c
+++ b/src/conversation/test_conversation_api_twocalls.c
@@ -2,20 +2,18 @@
      This file is part of GNUnet.
      Copyright (C) 2013, 2018x 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.
-
-     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., 51 Franklin Street, Fifth Floor,
-     Boston, MA 02110-1301, USA.
+     Affero General Public License for more details.
+    
+     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/>.
 */
 /**
  * @file conversation/test_conversation_api_twocalls.c