<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Hello Anthony,</div><div><br></div><div>We're not quite there yet!</div><div><br></div><div>It would appear that TFLAG_SECURE is not set for the outbound call. I've had to comment out the check in mdl_build_crypto(). Would we expect the the flag to be set for both legs of the call?</div><div><br></div><div>Also, I'm getting *a lot* of the following errors:</div><div><div>2012-07-17 11:05:36.128059 [ERR] switch_rtp.c:4296 Error: SRTP protection failed with code 13</div></div><div>I did see this once yesterday (with the previous version) but it went away so I assumed it was something I was doing. Now, I'm getting it all the time. If you'd like me to investigate further please let me know.</div><div><br></div><div>Thanks for your continuing help,</div><div> Richard</div><div><br></div><div><br></div><br><div><div>On 16 Jul 2012, at 18:44, Anthony Minessale wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>ok so I pushed the flag to be set so now it should work out of the<br>box, thanks for testing.<br><br><br>On Mon, Jul 16, 2012 at 8:05 AM, Richard Screene<br><<a href="mailto:richard.screene@netdev.co.uk">richard.screene@netdev.co.uk</a>> wrote:<br><blockquote type="cite">Hello Anthony,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">That seems to work better than my attempt!<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Thanks for your help!<br></blockquote><blockquote type="cite"> Richard<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">On 13 Jul 2012, at 23:19, Anthony Minessale wrote:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">try patch in latest head minus your plc hack.<br></blockquote><blockquote type="cite">I have not made any changes to mod_dingaling yet but the core should<br></blockquote><blockquote type="cite">not try to decode stun now.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">On Thu, Jul 12, 2012 at 11:58 AM, Richard Screene<br></blockquote><blockquote type="cite"><<a href="mailto:richard.screene@netdev.co.uk">richard.screene@netdev.co.uk</a>> wrote:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Hello Anthony,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Thanks for your quick response!<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">does it work then? I had it disabled on purpose cos I have not<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">confirmed it works yet.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">That would explain it then :-)<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">I have managed to get SRTP working for the outbound voice path, but it<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">required a couple of hacks:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">1) It was attempting to decrypt the STUN/ICE Bind Requests and failing.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">I've bodged it for now by passing the SFF_PLC flag to<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">switch_rtp.c:read_rtp_packet() but I suspect this will stop inbound voice<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">paths from working!<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">2) In mod_dingaling.c:try_secure() the incorrect crypto_type is passed to<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">switch_rtp_add_crypto_key(). I suspect there is some confusion between the<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">crypto_type and crypto_send_type/crypto_recv_type members of<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">tech_pvt->transports. I've hacked it for now as shown below.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">I hope this is useful to you. I'm going to try with the outbound voice path<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">tomorrow.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Regards,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> Richard<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">For reference here are the diffs:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">diff --git a/src/mod/endpoints/mod_dingaling/mod_dingaling.c<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">b/src/mod/endpoints/mod_dingaling/<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">index c47f589..1dda789 100644<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">--- a/src/mod/endpoints/mod_dingaling/mod_dingaling.c<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">+++ b/src/mod/endpoints/mod_dingaling/mod_dingaling.c<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">@@ -956,9 +956,11 @@ switch_status_t mdl_build_crypto(struct private_object<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">*tech_pvt, ldl_tran<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> char *p;<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">+/*<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> if (!switch_test_flag(tech_pvt, TFLAG_SECURE)) {<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> return SWITCH_STATUS_SUCCESS;<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> }<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">+*/<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> if (type == AES_CM_128_HMAC_SHA1_80) {<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">@@ -1056,10 +1058,13 @@ static switch_status_t mdl_add_crypto(struct<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">private_object *tech_pvt,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">static void try_secure(struct private_object *tech_pvt,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">ldl_transport_type_t ttype)<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">{<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">+/*<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> if (!switch_test_flag(tech_pvt, TFLAG_SECURE)) {<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> return;<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> }<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">+*/<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">+ tech_pvt->transports[ttype].crypto_type =<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">tech_pvt->transports[ttype].crypto_recv_type;<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> //if (tech_pvt->transports[ttype].crypto_type) {<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">switch_rtp_add_crypto_key(tech_pvt->transports[ttype].rtp_session,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">diff --git a/src/switch_rtp.c b/src/switch_rtp.c<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">index 7d6ad29..99b4f83 100644<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">--- a/src/switch_rtp.c<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">+++ b/src/switch_rtp.c<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">@@ -3234,6 +3234,7 @@ static int rtp_common_read(switch_rtp_t *rtp_session,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">switch_payload_t *p<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> if (read_pretriggered) {<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> read_pretriggered = 0;<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> } else {<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">+ *flags |= SFF_PLC;<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> status = read_rtp_packet(rtp_session,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">&bytes, flags, SWITCH_TRU<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">//switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> }<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">On 12 Jul 2012, at 00:13, Anthony Minessale wrote:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">does it work then? I had it disabled on purpose cos I have not<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">confirmed it works yet.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">On Wed, Jul 11, 2012 at 4:47 AM, Richard Screene<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><<a href="mailto:richard.screene@netdev.co.uk">richard.screene@netdev.co.uk</a>> wrote:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Hello,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Using mod_dingaling I am unable to get it to append the crypto details to<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">the session-accept Jingle stanza. The message is sent as:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><snip><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">_________________________________________________________________________<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Professional FreeSWITCH Consulting Services:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><a href="http://www.freeswitchsolutions.com">http://www.freeswitchsolutions.com</a><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">FreeSWITCH-powered IP PBX: The CudaTel Communication Server<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><a href="http://www.cudatel.com">http://www.cudatel.com</a><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Official FreeSWITCH Sites<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><a href="http://www.freeswitch.org">http://www.freeswitch.org</a><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><a href="http://wiki.freeswitch.org">http://wiki.freeswitch.org</a><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><a href="http://www.cluecon.com">http://www.cluecon.com</a><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Join Us At ClueCon - 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