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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;">Besides what I've mentioned here, I think you should also go through the affected areas where macros are either configured or executed and add some deprecation warning messages.</pre>
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<a href="https://reviewboard.asterisk.org/r/1760/diff/1/?file=24455#file24455line959" style="color: black; font-weight: bold; text-decoration: underline;">trunk/apps/app_dial.c</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; ">static void do_forward(struct chanlist *o,</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">ast_channel_redirecting_macro</span><span class="p">(</span><span class="n">c</span><span class="p">,</span> <span class="n">in</span><span class="p">,</span> <span class="o">&</span><span class="n">redirecting</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</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="k">if</span> <span class="p">(</span><span class="n">ast_channel_redirecting_macro</span><span class="p">(</span><span class="n">c</span><span class="p">,</span> <span class="n">in</span><span class="p">,</span> <span class="o">&</span><span class="n">redirecting</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</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="n">ast_channel_update_redirecting</span><span class="p">(</span><span class="n">in</span><span class="p">,</span> <span class="o">&</span><span class="n">redirecting</span><span class="p">,</span> <span class="nb">NULL</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="n">ast_channel_update_redirecting</span><span class="p">(</span><span class="n">in</span><span class="p">,</span> <span class="o">&</span><span class="n">redirecting</span><span class="p">,</span> <span class="nb">NULL</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="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="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">if</span> <span class="p">(</span><span class="n">ast_channel_redirecting_sub</span><span class="p">(</span><span class="n">c</span><span class="p">,</span> <span class="n">in</span><span class="p">,</span> <span class="o">&</span><span class="n">redirecting</span><span class="p">,</span> <span class="mi">0</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">ast_channel_update_redirecting</span><span class="p">(</span><span class="n">in</span><span class="p">,</span> <span class="o">&</span><span class="n">redirecting</span><span class="p">,</span> <span class="nb">NULL</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; "></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 pattern is used throughout this code. This will result in both the macro and gosub being run if both are configured. Seems like the logic used here should be to call one or the other, preferring the gosub version over the macro.</pre>
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<a href="https://reviewboard.asterisk.org/r/1760/diff/1/?file=24459#file24459line141" style="color: black; font-weight: bold; text-decoration: underline;">trunk/include/asterisk/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; ">int ast_app_getdata_full(struct ast_channel *c, const char *prompt, char *s, int maxlen, int timeout, int audiofd, int ctrlfd);</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 is a shorthand method that makes it very easy to run a subroutine on any given<span class="ew"> </span></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"> * channel. It is perfectly reasonable to supply a NULL autoservice_chan here in case</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"> * there is no channel to place into autoservice. It is very important that the<span class="ew"> </span></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"> * autoservice_chan parameter is not locked prior to calling ast_app_run_sub. A<span class="ew"> </span></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"> * deadlock could result, otherwise.</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"> * \param autoservice_chan A channel to place into autoservice while the subroutine is run</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 sub_chan The channel to run the subroutine on</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 name The name of the subroutine to run</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 args The arguments to pass to the subroutien</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"> * \retval 0 success</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"> * \retval -1 failure</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">int</span> <span class="n">ast_app_run_sub</span><span class="p">(</span><span class="k">struct</span> <span class="n">ast_channel</span> <span class="o">*</span><span class="n">autoservice_chan</span><span class="p">,</span> <span class="k">struct</span> <span class="n">ast_channel</span><span class="ew"> </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;">Bunch o red blobs.</pre>
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<a href="https://reviewboard.asterisk.org/r/1760/diff/1/?file=24461#file24461line3457" style="color: black; font-weight: bold; text-decoration: underline;">trunk/include/asterisk/channel.h</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">void ast_channel_queue_redirecting_update(struct ast_channel *chan, const struct ast_party_redirecting *redirecting, const struct ast_set_party_redirecting *update);</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 autoservice_chan Channel to place into autoservice while the sub is running.</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 class="ew"> </span>It is perfectly safe for this to be NULL</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 sub_chan The channel to run the subroutine on. Also the channel from which we</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 class="ew"> </span>determine which subroutine we need to run.</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 connected_info Either an ast_party_connected_line or ast_frame pointer of type</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 class="ew"> </span>AST_CONTROL_CONNECTED_LINE</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></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 frame If true, then connected_info is an ast_frame pointer, otherwise it is an</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 class="ew"> </span>ast_party_connected_line pointer.</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> * \retval 0 Success</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> * \retval -1 Either the subroutine does not exist, or there was an error while attempting to</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 class="ew"> </span>run the subroutine</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;">Red blobs.</pre>
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<a href="https://reviewboard.asterisk.org/r/1760/diff/1/?file=24461#file24461line3502" style="color: black; font-weight: bold; text-decoration: underline;">trunk/include/asterisk/channel.h</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_channel_data_cmp_structure(const struct ast_data_search *tree, struct ast_channel *chan,</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> * It is perfectly safe for this to be NULL</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> *<span class="ew"> </span>It is perfectly safe for this to be NULL</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"> * \param macro_chan The channel to run the macro on. Also the channel from which we</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"> * \param macro_chan The channel to run the macro on. Also the channel from which we</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> * determine which macro we need to run.</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> *<span class="ew"> </span>determine which macro we need to run.</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"> * \param redirecting_info Either an ast_party_redirecting or ast_frame pointer of type</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"> * \param redirecting_info Either an ast_party_redirecting or ast_frame pointer of type</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> * AST_CONTROL_REDIRECTING</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> *<span class="ew"> </span>AST_CONTROL_REDIRECTING</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> * \param is_caller If true, then run REDIRECTING_CALLER_SEND_MACRO<span class="hl">, otherwise run</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="cm"> * \param is_caller If true, then run REDIRECTING_CALLER_SEND_MACRO<span class="hl"> with arguments from</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="cm"> * REDIRECTING_CALLEE_SEND_MACRO</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> *<span class="ew"> </span>REDIRECTING_CALLER_SEND_MACRO_ARGS, otherwise run REDIRECTING_CALLEE_SEND_MACRO</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></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 class="ew"> </span>with arguments from REDIRECTING_CALLEE_SEND_MACRO_ARGS</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"> * \param is_frame If true, then redirecting_info is an ast_frame pointer, otherwise it is an</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"> * \param is_frame If true, then redirecting_info is an ast_frame pointer, otherwise it is an</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> * ast_party_redirecting pointer.</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> *<span class="ew"> </span>ast_party_redirecting pointer.</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;">Red blobs.</pre>
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<a href="https://reviewboard.asterisk.org/r/1760/diff/1/?file=24461#file24461line3533" style="color: black; font-weight: bold; text-decoration: underline;">trunk/include/asterisk/channel.h</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_channel_data_cmp_structure(const struct ast_data_search *tree, struct ast_channel *chan,</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 autoservice_chan Channel to place into autoservice while the subroutine is running.</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 class="ew"> </span>It is perfectly safe for this to be NULL</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></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 sub_chan The channel to run the subroutine on. Also the channel from which we</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 class="ew"> </span>determine which subroutine we need to run.</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></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 redirecting_info Either an ast_party_redirecting or ast_frame pointer of type</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 class="ew"> </span>AST_CONTROL_REDIRECTING</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 is_frame If true, then redirecting_info is an ast_frame pointer, otherwise it is an</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 class="ew"> </span>ast_party_redirecting pointer.</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"> * \retval 0 Success</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> * \retval -1 Either the subroutine does not exist, or there was an error while attempting to</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 class="ew"> </span>run the subroutine</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;">red blobs</pre>
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<a href="https://reviewboard.asterisk.org/r/1760/diff/1/?file=24462#file24462line255" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/app.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_app_getdata_full(struct ast_channel *c, const char *prompt, char *s, int maxlen, int timeout, int audiofd, int ctrlfd)</pre></td>
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<td bgcolor="#fdfebc" 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">1024</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; "> <span class="kt">char</span> <span class="o">*</span> <span class="n">app_type</span> <span class="o">=</span> <span class="p">(</span><span class="n">use_gosub</span><span class="o">?</span><span class="s">"GoSub"</span><span class="o">:</span><span class="s">"Macro"</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;">Put some spacing into this.
char *app_type = use_gosub ? "GoSub" : "Macro";</pre>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_app_getdata_full(struct ast_channel *c, const char *prompt, char *s, int maxlen, int timeout, int audiofd, int ctrlfd)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">struct</span> <span class="n">ast_pbx_args</span> <span class="n">args</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;">Name this something else since the variable declaration shadows a previous one.</pre>
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<a href="https://reviewboard.asterisk.org/r/1760/diff/1/?file=24462#file24462line272" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/app.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_app_getdata_full(struct ast_channel *c, const char *prompt, char *s, int maxlen, int timeout, int audiofd, int ctrlfd)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="cm">/* A struct initializer fails to compile for this case ... */</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;">What was the compiler error?</pre>
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<a href="https://reviewboard.asterisk.org/r/1760/diff/1/?file=24462#file24462line298" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/app.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_app_run_sub(struct ast_channel *autoservice_chan, struct ast_channel *sub_chan, const char * const location, const char * const args)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="cm">/* need to bump the priority by one if we already have a pbx */</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;">Why?</pre>
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<a href="https://reviewboard.asterisk.org/r/1760/diff/1/?file=24462#file24462line311" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/app.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_app_run_sub(struct ast_channel *autoservice_chan, struct ast_channel *sub_chan, const char * const location, const char * const args)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="cm">/* if the priority isn't numeric, it's as if we never too this branch... */</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;">s/too/took/</pre>
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<a href="https://reviewboard.asterisk.org/r/1760/diff/1/?file=24462#file24462line318" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/app.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_app_run_sub(struct ast_channel *autoservice_chan, struct ast_channel *sub_chan, const char * const location, const char * const args)</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="o">+</span> <span class="n">offset</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="o">-</span> <span class="n">offset</span><span class="p">,</span> <span class="s">"%s%s%s"</span><span class="p">,</span> <span class="n">ast_strlen_zero</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o">?</span> <span class="s">""</span> <span class="o">:</span> <span class="s">"("</span><span class="p">,</span> <span class="n">S_OR</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="s">""</span><span class="p">),</span> <span class="n">ast_strlen_zero</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o">?</span> <span class="s">""</span> <span class="o">:</span> <span class="s">")"</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;">There is a potential for some buffer overflow here.
The reason is that offset is set to the return value of a previous snprintf() call. snprintf() returns the number of bytes written. If the number of bytes to write is greater than the size specified in the second argument to snprintf(), then it will return the number of bytes that *would have been written* had the size limitation not arisen. This means that if someone tries to write 2048 bytes to your 1024 byte buffer, the offset returned from snprintf() would be 2048 even though snprintf() safely made sure to only print 1023 (1024th is a null byte) to the buffer.
If offset should end up being larger than the size of the buffer, then this snprintf call would try to write past the end of the buffer because buf + offset is past the end, and sizeof(buf) - offset is interpreted as an incredibly large unsigned value.</pre>
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<p>- Mark</p>
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<p>On February 21st, 2012, 7:47 p.m., opticron wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By opticron.</div>
<p style="color: grey;"><i>Updated Feb. 21, 2012, 7:47 p.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;">To help along the deprecation of app_macro, this enables the use of app_stack (aka GoSub) in relation to connected line, redirecting, and call completion supplementary services. The only major changes between the two implementations involve dropping the distinction between caller and callee for connected line and redirecting since this distinction never really made sense in the first place.</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 with the new tests to go with these changes here: https://reviewboard.asterisk.org/r/1761/</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/SWP-4254">SWP-4254</a>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>trunk/UPGRADE.txt <span style="color: grey">(356213)</span></li>
<li>trunk/apps/app_dial.c <span style="color: grey">(356213)</span></li>
<li>trunk/apps/app_followme.c <span style="color: grey">(356213)</span></li>
<li>trunk/apps/app_queue.c <span style="color: grey">(356213)</span></li>
<li>trunk/configs/ccss.conf.sample <span style="color: grey">(356213)</span></li>
<li>trunk/include/asterisk/app.h <span style="color: grey">(356213)</span></li>
<li>trunk/include/asterisk/ccss.h <span style="color: grey">(356213)</span></li>
<li>trunk/include/asterisk/channel.h <span style="color: grey">(356213)</span></li>
<li>trunk/main/app.c <span style="color: grey">(356213)</span></li>
<li>trunk/main/ccss.c <span style="color: grey">(356213)</span></li>
<li>trunk/main/channel.c <span style="color: grey">(356213)</span></li>
<li>trunk/main/dial.c <span style="color: grey">(356213)</span></li>
<li>trunk/main/features.c <span style="color: grey">(356213)</span></li>
<li>trunk/main/rtp_engine.c <span style="color: grey">(356213)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/1760/diff/" style="margin-left: 3em;">View Diff</a></p>
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