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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/1059/">https://reviewboard.asterisk.org/r/1059/</a>
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<p style="margin-top: 0;">On December 22nd, 2010, 6:29 p.m., <b>David Vossel</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1059/diff/6/?file=14800#file14800line4950" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.4/channels/chan_sip.c</a>
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(Diff revision 6)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct sip_pvt *sip_alloc(ast_string_field callid, struct sockaddr_in *sin,</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm">/*!</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> * \brief Process a Via header</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> *</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> * This function parses the Via header and processes it according to section</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Maybe indicate in the documentation that it sets the peer's address from the via or received address as well.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Done.</pre>
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<p style="margin-top: 0;">On December 22nd, 2010, 6:29 p.m., <b>David Vossel</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1059/diff/6/?file=14800#file14800line4982" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.4/channels/chan_sip.c</a>
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(Diff revision 6)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct sip_pvt *sip_alloc(ast_string_field callid, struct sockaddr_in *sin,</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="n">buf</span><span class="p">[</span><span class="mi">64</span><span class="p">];</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">A host:port is likely never going to be this large, but a 64 byte limit seems like it could be hit. Why not make it 128 bytes and declare it under the "maddr=" check since that's where it is used.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Done.</pre>
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<p style="margin-top: 0;">On December 22nd, 2010, 6:29 p.m., <b>David Vossel</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1059/diff/6/?file=14800#file14800line5003" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.4/channels/chan_sip.c</a>
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(Diff revision 6)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct sip_pvt *sip_alloc(ast_string_field callid, struct sockaddr_in *sin,</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="cm">/* check for maddr */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">((</span><span class="n">maddr</span> <span class="o">=</span> <span class="n">strstr</span><span class="p">(</span><span class="n">via</span><span class="p">,</span> <span class="s">"maddr="</span><span class="p">)))</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">via</span> <span class="o">=</span> <span class="n">ast_skip_blanks</span><span class="p">(</span><span class="n">maddr</span> <span class="o">+</span> <span class="k">sizeof</span><span class="p">(</span><span class="s">"maddr="</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">maddr</span> <span class="o">=</span> <span class="n">strsep</span><span class="p">(</span><span class="o">&</span><span class="n">via</span><span class="p">,</span> <span class="s">"; </span><span class="se">\t\r\n</span><span class="s">"</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">snprintf</span><span class="p">(</span><span class="n">buf</span><span class="p">,</span> <span class="k">sizeof</span><span class="p">(</span><span class="n">buf</span><span class="p">),</span> <span class="s">"%s%s"</span><span class="p">,</span> <span class="n">maddr</span><span class="p">,</span> <span class="n">S_OR</span><span class="p">(</span><span class="n">port_str</span><span class="p">,</span> <span class="s">""</span><span class="p">));</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">set_destination</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">buf</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">return</span> <span class="mi">0</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<pre style="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 we'd want to modify the behavior here based on the NAT flags similar to the way the set_address_from_contact() function does?</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">NAT handling is done in sip_real_dst() called from __sip_xmit().</pre>
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<p style="margin-top: 0;">On December 22nd, 2010, 6:29 p.m., <b>David Vossel</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1059/diff/6/?file=14800#file14800line6672" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.4/channels/chan_sip.c</a>
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(Diff revision 6)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int respprep(struct sip_request *resp, struct sip_pvt *p, const char *msg, const struct sip_request *req)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">p</span><span class="o">-></span><span class="n">sa</span> <span class="o">=</span> <span class="n">p</span><span class="o">-></span><span class="n">recv</span><span class="p">;</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Instead of decoupling the p->sa = p->recv from the process_via header when an error occurs. You could just put p->sa = p->recv before all the return -1's in process_via().</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Done.</pre>
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<p>- Matthew</p>
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<p>On December 29th, 2010, 1:06 p.m., Matthew Nicholson wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Matthew Nicholson.</div>
<p style="color: grey;"><i>Updated 2010-12-29 13:06:27</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;">This patch makes asterisk respect the Via headers in a request when responding to the request. Without this patch, the request is always routed back to the address the initial request was received from (unless nat=yes). This can cause problems if the initial request comes through a proxy and additional requests (such as INFO dtmf tones) come from a different proxy.</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;">Briefly tested using openser as a proxy and another asterisk machine as the requester. I sent and invite, then some INFO DTMF messages. Without the patch, our asterisk machine sends all responses to the INFO requests to the proxy, with the patch they are properly routed to the requesting asterisk machine.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/branches/1.4/channels/chan_sip.c <span style="color: grey">(299447)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/1059/diff/" style="margin-left: 3em;">View Diff</a></p>
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