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      This is an automatically generated e-mail. To reply, visit:
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    <a href="https://reviewboard.asterisk.org/r/1643/diff/5/?file=23193#file23193line145" style="color: black; font-weight: bold; text-decoration: underline;">http://svn.asterisk.org/svn/asterisk/trunk/apps/app_mixmonitor.c</a>
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   <td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">ASTERISK_FILE_VERSION(__FILE__, &quot;$Revision$&quot;)</pre></td>

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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm">                        &lt;parameter name=&quot;mixmonid&quot; required=&quot;false&quot;&gt;</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;">You have different names for the MixMonitor Id - here its &quot;mixmonid&quot;, elsewhere its &quot;MixMonitorID&quot;.  They should be consistent between the application and the Manager Action.</pre>
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    <a href="https://reviewboard.asterisk.org/r/1643/diff/5/?file=23193#file23193line558" style="color: black; font-weight: bold; text-decoration: underline;">http://svn.asterisk.org/svn/asterisk/trunk/apps/app_mixmonitor.c</a>
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   <td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void *mixmonitor_thread(void *obj)</pre></td>

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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="n">sprintf</span><span class="p">(</span><span class="n">datastore_id</span><span class="p">,</span> <span class="s">&quot;%08x&quot;</span><span class="p">,</span> <span class="p">(</span><span class="kt">int</span><span class="p">)(</span><span class="kt">long</span><span class="p">)</span><span class="n">mixmonitor_ds</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;">This will truncate the pointer value, which on 64-bit machines means you aren&#39;t really getting the address of the mixmonitor struct.  This also means that you&#39;re no longer guaranteed to have a unique value - two MixMonitors could have the same lower 32-bit address values.

Instead, just use the %p formatting option.  Again, don&#39;t set the width either (save for fitting with the length of the buffer)

That does get into the fact that you don&#39;t know the length of the buffer in this method - you should check to make sure you don&#39;t overflow the buffer here or use snprintf.  The buffer should at least be able to handle a 64-bit address.</pre>
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    <a href="https://reviewboard.asterisk.org/r/1643/diff/5/?file=23193#file23193line591" style="color: black; font-weight: bold; text-decoration: underline;">http://svn.asterisk.org/svn/asterisk/trunk/apps/app_mixmonitor.c</a>
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   <td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int setup_mixmonitor_ds(struct mixmonitor *mixmonitor, struct ast_channel *chan)</pre></td>
   <td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int setup_mixmonitor_ds(struct mixmonitor *mixmonitor, struct ast_channel *chan, char *datastore_id)</pre></td>

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    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">591</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="kt">char</span> <span class="n">datastore_id</span><span class="p">[</span><span class="mi">8</span><span class="p">]</span> <span class="o">=</span> <span class="s">&quot;&quot;</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;">A 9 character buffer would not be sufficient to store the address of a pointer on a 64-bit system; see previous.</pre>
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    <a href="https://reviewboard.asterisk.org/r/1643/diff/5/?file=23193#file23193line800" style="color: black; font-weight: bold; text-decoration: underline;">http://svn.asterisk.org/svn/asterisk/trunk/apps/app_mixmonitor.c</a>
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   <td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static char *filename_parse(char *filename, char *buffer, size_t len)</pre></td>

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    <th bgcolor="#e9eaa8" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">764</font></th>
    <td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="n">ast_audiohook_detach_source</span><span class="p">(</span><span class="n">chan</span><span class="p">,</span> <span class="n">mixmonitor_spy_type</span><span class="p">);</span></pre></td>
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    <td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></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 this no longer needed?</pre>
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    <a href="https://reviewboard.asterisk.org/r/1643/diff/5/?file=23193#file23193line801" style="color: black; font-weight: bold; text-decoration: underline;">http://svn.asterisk.org/svn/asterisk/trunk/apps/app_mixmonitor.c</a>
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   <td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static char *filename_parse(char *filename, char *buffer, size_t len)</pre></td>

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    <th bgcolor="#e9eaa8" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">765</font></th>
    <td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="k">if</span> <span class="p">((</span><span class="n">datastore</span> <span class="o">=</span> <span class="n">ast_channel_datastore_find</span><span class="p">(</span><span class="n">chan</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">mixmonitor_ds_info</span><span class="p">,</span> <span class="nb"><span class="hl">NULL</span></span><span class="p">)))</span> <span class="p">{</span></pre></td>
    <th bgcolor="#e9eaa8" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">800</font></th>
    <td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="k">if</span> <span class="p">((</span><span class="n">datastore</span> <span class="o">=</span> <span class="n">ast_channel_datastore_find</span><span class="p">(</span><span class="n">chan</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">mixmonitor_ds_info</span><span class="p">,</span> <span class="n"><span class="hl">args</span></span><span class="p"><span class="hl">.</span></span><span class="n"><span class="hl">mixmonid</span></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;">To keep the nesting lower, check for no datastore being returned from ast_channel_datastore_find, unlock and return -1.  Then you can unindent the rest of the code in this method.</pre>
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    <a href="https://reviewboard.asterisk.org/r/1643/diff/5/?file=23193#file23193line872" style="color: black; font-weight: bold; text-decoration: underline;">http://svn.asterisk.org/svn/asterisk/trunk/apps/app_mixmonitor.c</a>
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   <td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static char *handle_cli_mixmonitor(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)</pre></td>

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    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">826</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="p">}</span> <span class="k">else</span> <span class="p">{</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">871</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="p">}</span> <span class="k">else</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;">You should still compare it here  to &quot;list&quot; to see if they provided an invalid argument.</pre>
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    <a href="https://reviewboard.asterisk.org/r/1643/diff/5/?file=23193#file23193line887" style="color: black; font-weight: bold; text-decoration: underline;">http://svn.asterisk.org/svn/asterisk/trunk/apps/app_mixmonitor.c</a>
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   <td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static char *handle_cli_mixmonitor(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)</pre></td>

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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">886</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="n">ast_cli</span><span class="p">(</span><span class="n">a</span><span class="o">-&gt;</span><span class="n">fd</span><span class="p">,</span> <span class="s">&quot;%08x</span><span class="se">\t</span><span class="s">%s</span><span class="se">\t</span><span class="s">%s</span><span class="se">\t</span><span class="s">%s</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">,</span> <span class="p">(</span><span class="kt">int</span><span class="p">)(</span><span class="kt">long</span><span class="p">)</span><span class="n">mixmonitor_ds</span><span class="p">,</span> <span class="n">filename</span><span class="p">,</span> <span class="n">filename_read</span><span class="p">,</span> <span class="n">filename_write</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;">Same finding as before.</pre>
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<p>- Matt</p>


<br />
<p>On January 17th, 2012, 5:26 a.m., telecos82 wrote:</p>






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<div>Review request for Asterisk Developers.</div>
<div>By telecos82.</div>


<p style="color: grey;"><i>Updated Jan. 17, 2012, 5:26 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;">Currently, if there are several MixMonitor started on a channel, there is no way to specify which MixMonitor to stop with StopMixMonitor. With this patch we will allow this. One limitation of current implementation was that mixmonitor datastore was not identified with a uid so there was no way to identify a concrete MixMonitor. Furthermore, when retrieving audiohook to dettach from channel, there was no control on which audiohook to dettach, it always got first audiohook found of type mixmonitor_spy_type. With this patch we are identifying MixMonitor datastore by the filename asociated to it, and dettaching the concrete audiohook contained on datastore. Furthermore a new CLI command &quot;mixmonitor list &lt;channel_name&gt;&quot; to help querying active mixmonitors on a channel.</pre>
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 <b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>


 <a href="https://issues.asterisk.org/jira/browse/ASTERISK-19096">ASTERISK-19096</a>


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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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 <li>http://svn.asterisk.org/svn/asterisk/trunk/apps/app_mixmonitor.c <span style="color: grey">(348737)</span></li>

</ul>

<p><a href="https://reviewboard.asterisk.org/r/1643/diff/" style="margin-left: 3em;">View Diff</a></p>




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