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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/1395/">https://reviewboard.asterisk.org/r/1395/</a>
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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;">After fixing res_config_sqlite3 to not strip out the column we are matching on from the resulting varlist for a realtime_multi call, this causes my tests to pass. Just a couple of more comments below. </pre>
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<a href="https://reviewboard.asterisk.org/r/1395/diff/5/?file=21209#file21209line4680" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/channels/chan_sip.c</a>
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(Diff revision 5)
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct ast_variable *get_insecure_variable_from_sipregs(const char *column, const char *value, struct ast_variable **var)</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_insecure_flags</span><span class="p">(</span><span class="o">&</span><span class="n">flags</span><span class="p">,</span> <span class="n">insecure</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="ew"> </span> <span class="k">if</span> <span class="p">(</span><span class="n">ast_test_flag</span><span class="p">(</span><span class="o">&</span><span class="n">flags</span><span class="p">,</span> <span class="n">SIP_INSECURE_PORT</span><span class="p">))</span> <span class="p">{</span></pre></td>
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<a href="https://reviewboard.asterisk.org/r/1395/diff/5/?file=21209#file21209line4691" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/channels/chan_sip.c</a>
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(Diff revision 5)
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct ast_variable *get_insecure_variable_from_sipregs(const char *column, const char *value, struct ast_variable **var)</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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<a href="https://reviewboard.asterisk.org/r/1395/diff/5/?file=21209#file21209line4870" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/channels/chan_sip.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int realtime_peer_by_addr(const char **name, struct ast_sockaddr *addr, const char *ipaddr, struct ast_variable **var, struct ast_variable **varregs)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="cm">/* Same as above, but try the IP address field (in sippeers) (always! even when varregs is true) */</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">/* Ideally -- apart from ripping out sipregs altogether -- we'd want 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"> * add the '!varregs' check here. Until now, sipregs users still needed</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"> * to have an ipaddr column in their sippeer table because this code was</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"> * broken (the above check didn't exist and this check was run instead).</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"> * And now we probably cannot remove it, as users may depend on it. */</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> <span class="k">else</span> <span class="k">if</span> <span class="p">((</span><span class="o">*</span><span class="n">var</span> <span class="o">=</span> <span class="n">get_insecure_variable_from_sippeers</span><span class="p">(</span><span class="s">"ipaddr"</span><span class="p">,</span> <span class="n">ipaddr</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 would go ahead and do the !varregs check anyway, I think. If sipregs is used, the ipaddr will never actually be set in sippeers because the tablename is set to "sipregs" in realtime_update_peer anyway. The only reason we really needed ipaddr in the sippeers table in that case was to avoid getting a warning. It never should have actually matched.</pre>
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<p>- Terry</p>
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<p>On October 12th, 2011, 3:20 p.m., wdoekes wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By wdoekes.</div>
<p style="color: grey;"><i>Updated Oct. 12, 2011, 3:20 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;">There are several memory leaks in realtime_peer in chan_sip.c. For a thorough explanation, see the bug report.
Trying to patch those leaks would be making ugly code even uglier. This is an attempt at cleaning up the code a bit.
I attempted to keep the exact same behaviour as the original code, while increasing readability. (I had to clone the variable gotten from the peerlist to get proper cleanup behaviour.)
Differences:
- sippeers ipaddr is now checked even though sippeers host was not matched (I could not make sense of why ipaddr wasn't checked when host was not matched)
- I don't check sipregs for the insecure column
- the leaks should be gone ;)
Up for review here, because the changes are significant enough for me to have made (lots of) errors and because someone might feel that a rewrite is not the way to go.</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;">I tested that I got the same behaviour for the tests mentioned in the bug report. The leaks are gone, the bevahour seemed the same.
I'm too tired to test normal cases right now though.</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-18356">ASTERISK-18356</a>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/branches/1.8/configs/extconfig.conf.sample <span style="color: grey">(340521)</span></li>
<li>/branches/1.8/include/asterisk/config.h <span style="color: grey">(340521)</span></li>
<li>/branches/1.8/main/config.c <span style="color: grey">(340521)</span></li>
<li>/branches/1.8/channels/chan_sip.c <span style="color: grey">(340521)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/1395/diff/" style="margin-left: 3em;">View Diff</a></p>
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