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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/2641/diff/1/?file=40085#file40085line157" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/include/asterisk/stasis_app.h</a>
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(Diff revision 1)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">void stasis_app_control_continue(struct stasis_app_control *control);</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 Get the value of a variable on the channel associated with this control.</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"> * \param control Control for \c res_stasis.</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"> * \param variable The name of the variable</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"> * \return The value of the variable.</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="kt">char</span> <span class="o">*</span><span class="nf">stasis_app_control_get_channel_var</span><span class="p">(</span><span class="k">struct</span> <span class="n">stasis_app_control</span> <span class="o">*</span><span class="n">control</span><span class="p">,</span> <span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">variable</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;">Document that callers of this function are responsible for free'ing the returned string.</pre>
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<a href="https://reviewboard.asterisk.org/r/2641/diff/1/?file=40088#file40088line111" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/res/stasis/control.c</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; "><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">variable</span><span class="p">[</span><span class="n">strlen</span><span class="p">(</span><span class="n">variable</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span> <span class="o">==</span> <span class="sc">')'</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="tb"> </span><span class="tb"> </span><span class="kt">char</span> <span class="n">workspace</span><span class="p">[</span><span class="mi">1024</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="tb"> </span><span class="tb"> </span><span class="n">ast_func_read</span><span class="p">(</span><span class="n">control</span><span class="o">-></span><span class="n">channel</span><span class="p">,</span> <span class="p">(</span><span class="kt">char</span> <span class="o">*</span><span class="p">)</span><span class="n">variable</span><span class="p">,</span> <span class="n">workspace</span><span class="p">,</span> <span class="k">sizeof</span><span class="p">(</span><span class="n">workspace</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="tb"> </span><span class="tb"> </span><span class="n">value</span> <span class="o">=</span> <span class="n">workspace</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="tb"> </span><span class="p">}</span> <span class="k">else</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="tb"> </span><span class="tb"> </span><span class="n">value</span> <span class="o">=</span> <span class="n">pbx_builtin_getvar_helper</span><span class="p">(</span><span class="n">control</span><span class="o">-></span><span class="n">channel</span><span class="p">,</span> <span class="n">variable</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="tb"> </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 needs to lock the channel</pre>
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<a href="https://reviewboard.asterisk.org/r/2641/diff/1/?file=40088#file40088line113" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/res/stasis/control.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="tb"> </span><span class="kt">char</span> <span class="n">workspace</span><span class="p">[</span><span class="mi">1024</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="tb"> </span><span class="tb"> </span><span class="n">ast_func_read</span><span class="p">(</span><span class="n">control</span><span class="o">-></span><span class="n">channel</span><span class="p">,</span> <span class="p">(</span><span class="kt">char</span> <span class="o">*</span><span class="p">)</span><span class="n">variable</span><span class="p">,</span> <span class="n">workspace</span><span class="p">,</span> <span class="k">sizeof</span><span class="p">(</span><span class="n">workspace</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="tb"> </span><span class="tb"> </span><span class="n">value</span> <span class="o">=</span> <span class="n">workspace</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 few things here.
(1) ast_func_read can fail if the function module isn't loaded. If that occurs, we should return something from this function that causes ARI to return a 4xx or 5xx error.
(2) Assigning workspace to value is unsafe here. The scope of workspace is limited to the block it is defined in. value has been told to point to something that, when it is dup'd, is technically out of scope. While this may "work", it isn't guaranteed to.</pre>
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<a href="https://reviewboard.asterisk.org/r/2641/diff/1/?file=40088#file40088line126" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/res/stasis/control.c</a>
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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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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">return</span> <span class="n">pbx_builtin_setvar_helper</span><span class="p">(</span><span class="n">control</span><span class="o">-></span><span class="n">channel</span><span class="p">,</span> <span class="n">variable</span><span class="p">,</span> <span class="n">value</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="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 should lock the channel as well</pre>
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<a href="https://reviewboard.asterisk.org/r/2641/diff/1/?file=40090#file40090line48" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/res/stasis_http/resource_asterisk.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="n">value</span> <span class="o">=</span> <span class="n">pbx_builtin_getvar_helper</span><span class="p">(</span><span class="nb">NULL</span><span class="p">,</span> <span class="n">args</span><span class="o">-></span><span class="n">variable</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;">Should specifying a variable that doesn't exist (and returns NULL here) cause a 404 or some other error code?</pre>
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<a href="https://reviewboard.asterisk.org/r/2641/diff/1/?file=40097#file40097line593" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/rest-api/api-docs/channels.json</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; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="nt">"httpMethod"</span><span class="p">:</span> <span class="s2">"GET"</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="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="nt">"nickname"</span><span class="p">:</span> <span class="s2">"getChannelVar"</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="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="nt">"parameters"</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;">I'd explicitly call out that this Gets a channel variable or a function value.
The same finding applies to Setting a channel variable or a function value.</pre>
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<p>- Matt</p>
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<p>On June 24th, 2013, 5:48 p.m. UTC, Jason Parker wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Jason Parker.</div>
<p style="color: grey;"><i>Updated June 24, 2013, 5:48 p.m.</i></p>
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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-21868">ASTERISK-21868</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;">Allows for reading channel variables (or functions), setting channel variables (or functions), getting global variables, setting global variables.</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;">All 4 things work. Failures occur in the few places they would be expected (invalid function name, etc).</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/trunk/include/asterisk/stasis_app.h <span style="color: grey">(392726)</span></li>
<li>/trunk/res/res_stasis_http_asterisk.c <span style="color: grey">(392726)</span></li>
<li>/trunk/res/res_stasis_http_channels.c <span style="color: grey">(392726)</span></li>
<li>/trunk/res/stasis/control.c <span style="color: grey">(392726)</span></li>
<li>/trunk/res/stasis_http/resource_asterisk.h <span style="color: grey">(392726)</span></li>
<li>/trunk/res/stasis_http/resource_asterisk.c <span style="color: grey">(392726)</span></li>
<li>/trunk/res/stasis_http/resource_channels.h <span style="color: grey">(392726)</span></li>
<li>/trunk/res/stasis_http/resource_channels.c <span style="color: grey">(392726)</span></li>
<li>/trunk/res/stasis_json/resource_asterisk.h <span style="color: grey">(392726)</span></li>
<li>/trunk/res/stasis_json/resource_channels.h <span style="color: grey">(392726)</span></li>
<li>/trunk/res/stasis_json/resource_sounds.h <span style="color: grey">(392726)</span></li>
<li>/trunk/rest-api/api-docs/asterisk.json <span style="color: grey">(392726)</span></li>
<li>/trunk/rest-api/api-docs/channels.json <span style="color: grey">(392726)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2641/diff/" style="margin-left: 3em;">View Diff</a></p>
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