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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/2113/">https://reviewboard.asterisk.org/r/2113/</a>
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<a href="https://reviewboard.asterisk.org/r/2113/diff/1/?file=31236#file31236line1265" style="color: black; font-weight: bold; text-decoration: underline;">/configs/sip.conf.sample</a>
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(Diff revision 1)
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">; dtlscipher = cipher ; Cipher to use for TLS negotiation</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">; ; A list of valid SSL cipher strings can be found at:</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">; ; http://www.openssl.org/docs/apps/ciphers.html#CIPHER_STRINGS</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Is 'cipher' a valid SSL cipher string? It didn't appear to be on the list at the URL provided. If not, this should be a valid value to prevent mis-configuration.</pre>
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<a href="https://reviewboard.asterisk.org/r/2113/diff/1/?file=31239#file31239line382" style="color: black; font-weight: bold; text-decoration: underline;">/include/asterisk/rtp_engine.h</a>
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(Diff revision 1)
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">struct ast_rtp_dtls_cfg {</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">char</span> <span class="o">*</span><span class="n">certfile</span><span class="p">;</span> <span class="cm">/*!< Certificate file */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">char</span> <span class="o">*</span><span class="n">pvtfile</span><span class="p">;</span> <span class="cm">/*!< Private key file */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">char</span> <span class="o">*</span><span class="n">cipher</span><span class="p">;</span> <span class="cm">/*!< Cipher to use */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">char</span> <span class="o">*</span><span class="n">cafile</span><span class="p">;</span> <span class="cm">/*!< Certificate authority file */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">char</span> <span class="o">*</span><span class="n">capath</span><span class="p">;</span> <span class="cm">/*!< Path to certificate authority */</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Is there any reason why you chose to make these char *, instead of string fields? It doesn't appear as if the SSL library calls that consume these values require them to be modifiable.</pre>
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<p>- Matt</p>
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<p>On September 14th, 2012, 11:43 a.m., Joshua Colp wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Joshua Colp.</div>
<p style="color: grey;"><i>Updated Sept. 14, 2012, 11:43 a.m.</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">WebRTC has migrated to using DTLS-SRTP as the method for securing media streams. This patch adds support for it using OpenSSL. DTLS is used between both sides with the keying material for SRTP extracted from that negotiation.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Tested various configurations between two Asterisk instances. Rekeying, verification, etc all appear to work. Unfortunately there are very few DTLS-SRTP implementations in the wild so testing against another implementation has not yet occurred.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/configure <span style="color: grey">(UNKNOWN)</span></li>
<li>/trunk/channels/chan_sip.c <span style="color: grey">(373058)</span></li>
<li>/trunk/channels/sip/include/sip.h <span style="color: grey">(373058)</span></li>
<li>/trunk/configs/sip.conf.sample <span style="color: grey">(373058)</span></li>
<li>/trunk/configure.ac <span style="color: grey">(373058)</span></li>
<li>/trunk/include/asterisk/autoconfig.h.in <span style="color: grey">(373058)</span></li>
<li>/trunk/include/asterisk/rtp_engine.h <span style="color: grey">(373058)</span></li>
<li>/trunk/main/rtp_engine.c <span style="color: grey">(373058)</span></li>
<li>/trunk/res/res_rtp_asterisk.c <span style="color: grey">(373058)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2113/diff/" style="margin-left: 3em;">View Diff</a></p>
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