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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/1362/">https://reviewboard.asterisk.org/r/1362/</a>
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<a href="https://reviewboard.asterisk.org/r/1362/diff/1/?file=18288#file18288line1659" style="color: black; font-weight: bold; text-decoration: underline;">/branches/10/channels/chan_sip.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct sockaddr_in *security_event_encode_sin_remote(struct sip_pvt *p, struct sockaddr_in *sin_remote)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="k">static</span> <span class="kt">void</span> <span class="nf">report_invalid_peer</span><span class="p">(</span><span class="k">struct</span> <span class="n">sip_pvt</span> <span class="o">*</span><span class="n">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;">These functions should probably be prefixed with sip_ and added to the sip header file, so they can be called from the other sip code files.</pre>
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<a href="https://reviewboard.asterisk.org/r/1362/diff/1/?file=18288#file18288line1713" style="color: black; font-weight: bold; text-decoration: underline;">/branches/10/channels/chan_sip.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct sockaddr_in *security_event_encode_sin_remote(struct sip_pvt *p, struct sockaddr_in *sin_remote)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="k">static</span> <span class="kt">void</span> <span class="nf">report_inval_password</span><span class="p">(</span><span class="k">struct</span> <span class="n">sip_pvt</span> <span class="o">*</span><span class="n">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;">It is helpful to know whether the invalid password is different from the previous invalid password from this peer (if possible). You don't need to know what that previous guess was, as a security watcher can be expected to keep history. This can be important, to distinguish a misconfigured phone with the wrong password (false positive) from a scan attack.</pre>
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<a href="https://reviewboard.asterisk.org/r/1362/diff/1/?file=18288#file18288line1740" style="color: black; font-weight: bold; text-decoration: underline;">/branches/10/channels/chan_sip.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct sockaddr_in *security_event_encode_sin_remote(struct sip_pvt *p, struct sockaddr_in *sin_remote)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="k">static</span> <span class="kt">void</span> <span class="nf">report_auth_success</span><span class="p">(</span><span class="k">struct</span> <span class="n">sip_pvt</span> <span class="o">*</span><span class="n">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 don't know that this type of event has merit, as with SIP, you're going to have an event of this type with nearly every call. When you're looking for a needle in a haystack, the last thing you want to do is add more hay.</pre>
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<a href="https://reviewboard.asterisk.org/r/1362/diff/1/?file=18288#file18288line25080" style="color: black; font-weight: bold; text-decoration: underline;">/branches/10/channels/chan_sip.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int handle_request_register(struct sip_pvt *p, struct sip_request *req, struct ast_sockaddr *addr, const char *e)</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">case</span> <span class="n">AUTH_UNKNOWN_DOMAIN</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">case</span> <span class="n">AUTH_UNKNOWN_DOMAIN</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">reason</span> <span class="o">=</span> <span class="s">"Not a local domain"</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">reason</span> <span class="o">=</span> <span class="s">"Not a local domain"</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">break</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">break</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 should probably be treated the same as an invalid password.</pre>
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<a href="https://reviewboard.asterisk.org/r/1362/diff/1/?file=18288#file18288line25083" style="color: black; font-weight: bold; text-decoration: underline;">/branches/10/channels/chan_sip.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int handle_request_register(struct sip_pvt *p, struct sip_request *req, struct ast_sockaddr *addr, const char *e)</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">case</span> <span class="n">AUTH_PEER_NOT_DYNAMIC</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">case</span> <span class="n">AUTH_PEER_NOT_DYNAMIC</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">reason</span> <span class="o">=</span> <span class="s">"Peer is not supposed to register"</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">reason</span> <span class="o">=</span> <span class="s">"Peer is not supposed to register"</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;">Similarly, another case for invalid password. In a scan attack, any found peer will likely get this same event multiple times, indicating a real problem to the security event watcher.</pre>
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<a href="https://reviewboard.asterisk.org/r/1362/diff/1/?file=18289#file18289line112" style="color: black; font-weight: bold; text-decoration: underline;">/branches/10/configs/logger.conf.sample</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">; If you would like to log security events by using res_security_log</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">; use the level security</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">;securitylog => security</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;">Could you explain this addition? I don't see anything either in your patch or in trunk that uses this configuration line.</pre>
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<p>- Tilghman</p>
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<p>On August 12th, 2011, 1:07 a.m., elguero wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By elguero.</div>
<p style="color: grey;"><i>Updated Aug. 12, 2011, 1:07 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;">Security Events Framework was added in 1.8 and support was added for AMI to generate events at that time.
This patch attempts to add support in chan_sip to generate security events. Hopefully we can get this into Asterisk 10.
I am looking forward to hearing feedback on where this patch can be improved especially from those who have an intimate knowledge of chan_sip.
Thanks</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;">Local dev machine and a softphone. Generated events by using the wrong username, wrong password, wrong auth name, successful authentication.</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/18264">18264</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/10/channels/chan_sip.c <span style="color: grey">(331633)</span></li>
<li>/branches/10/configs/logger.conf.sample <span style="color: grey">(331633)</span></li>
<li>/branches/10/CHANGES <span style="color: grey">(331633)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/1362/diff/" style="margin-left: 3em;">View Diff</a></p>
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