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    <a href="https://reviewboard.asterisk.org/r/3093/diff/1/?file=49948#file49948line73" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/include/asterisk/res_pjsip_exten_state.h</a>
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   <td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">struct ast_sip_exten_state_provider {</pre></td>

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    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">70</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb">  </span> */</span></pre></td>
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    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb">  </span> */</span></pre></td>
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    <td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb">   </span><span class="kt">int</span> <span class="p">(</span><span class="o">*</span><span class="n">create_body</span><span class="p">)(</span><span class="k">struct</span> <span class="n">ast_sip_<span class="hl">exten_state_data</span></span><span class="hl"> </span><span class="o"><span class="hl">*</span></span><span class="n"><span class="hl">data</span></span><span class="p"><span class="hl">,</span></span><span class="hl"> </span><span class="k"><span class="hl">const</span></span><span class="hl"> </span><span class="kt"><span class="hl">char</span></span><span class="hl"> </span><span class="o"><span class="hl">*</span></span><span class="n"><span class="hl">local</span></span><span class="p"><span class="hl">,</span></span></pre></td>
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    <td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb">   </span><span class="kt">int</span> <span class="p">(</span><span class="o">*</span><span class="n">create_body</span><span class="p">)(</span><span class="k">struct</span> <span class="n">ast_sip_<span class="hl">subscription</span></span><span class="hl"> </span><span class="o"><span class="hl">*</span></span><span class="n"><span class="hl">sub</span></span><span class="p"><span class="hl">,</span></span></pre></td>
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    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb">   </span><span class="tb">  </span><span class="tb">  </span>   <span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">remote</span><span class="p">,</span> <span class="k">struct</span> <span class="n">ast_str</span> <span class="o">**</span><span class="n">body_text</span><span class="p">);</span></pre></td>
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    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb">   </span><span class="tb">  </span><span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">remote</span><span class="p">,</span> <span class="k">struct</span> <span class="n">ast_str</span> <span class="o">**</span><span class="n">body_text</span><span class="p">);</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;">In the UPGRADE notes, we'll need to note that the ABI for this module will have changed (which is unfortunate, but necessary). This module, and any other that use it, will have to be updated.</pre>
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    <a href="https://reviewboard.asterisk.org/r/3093/diff/1/?file=49949#file49949line207" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/res/res_pjsip_dialog_info.c</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb">   </span><span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">size</span><span class="p">)</span> <span class="p">{</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;">pj_xml_print returns -1, not 0, if the body is too large. You should check for size < 0.</pre>
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    <a href="https://reviewboard.asterisk.org/r/3093/diff/1/?file=49949#file49949line213" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/res/res_pjsip_dialog_info.c</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb">   </span><span class="o">*</span><span class="p">(</span><span class="n">ast_str_buffer</span><span class="p">(</span><span class="o">*</span><span class="n">body_text</span><span class="p">)</span> <span class="o">+</span> <span class="n">size</span><span class="p">)</span> <span class="o">=</span> <span class="sc">'\0'</span><span class="p">;</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;">If size == ast_str_size(*body_text), then this will insert a '\0' into the last character of the string, potentially blowing away the '>' or some other character in the XML body.

You should pass ast_str_size(*body_text) - 1 as the max size to pj_xml_print to leave yourself room for the NULL character.</pre>
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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;">We're going to need some tests :-)</pre>

<p>- Matt Jordan</p>


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<p>On December 24th, 2013, 8:53 p.m. CST, 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 Dec. 24, 2013, 8:53 p.m.</i></p>







<div style="margin-top: 1.5em;">
 <b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>


 <a href="https://issues.asterisk.org/jira/browse/ASTERISK-21443">ASTERISK-21443</a>


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 <b style="color: #575012; font-size: 10pt;">Repository: </b>
Asterisk
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<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;">Some devices use the dialog-info+xml to get presence information about an extension. The attached change implements this but DOES NOT implement the "pickup ringing channel" functionality available on Snoms.

To facilitate this implementation I have also changed it so the subscription is passed to the body creation callback. This allows implementations to store state information on the subscription.</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;">Subscribed to an extension from a device that uses dialog-info+xml. Confirmed NOTIFY messages going out contain the expected content.</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/12/res/res_pjsip_pidf.c <span style="color: grey">(404578)</span></li>

 <li>/branches/12/res/res_pjsip_exten_state.c <span style="color: grey">(404578)</span></li>

 <li>/branches/12/res/res_pjsip_dialog_info.c <span style="color: grey">(PRE-CREATION)</span></li>

 <li>/branches/12/include/asterisk/res_pjsip_exten_state.h <span style="color: grey">(404578)</span></li>

</ul>

<p><a href="https://reviewboard.asterisk.org/r/3093/diff/" style="margin-left: 3em;">View Diff</a></p>







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