https://k5wiki.test.kerberos.org/wiki?action=history&feed=atom&title=Release_Meeting_Minutes%2F2011-06-21
Release Meeting Minutes/2011-06-21 - Revision history
2026-05-14T16:49:28Z
Revision history for this page on the wiki
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https://k5wiki.test.kerberos.org/wiki?title=Release_Meeting_Minutes/2011-06-21&diff=3875&oldid=prev
TomYu at 19:48, 21 June 2011
2011-06-21T19:48:35Z
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 19:48, 21 June 2011</td>
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<td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[ PAD stuff. Josh Howlett's messages to krb-wg... ]</div></td>
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<td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[ PAD stuff. Josh Howlett's messages to krb-wg... ]</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>== DNS pain ==</div></td>
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<td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>;Simo: Problems in glibc related to <code>getaddrinfo()</code>. Tried to log into a host via ssh but kept requesting wrong principal. Tried turning off <code>rdns</code> (in libdefaults) etc. Finally ran gdb to discover that <code>getaddrinfo()</code> does PTR record lookup (when <code>AF_INET</code> and <code>AI_CANONNAME</code>).</div></td>
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<td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>;Simo: Problems in glibc related to <code>getaddrinfo()</code>. Tried to log into a host via ssh but kept requesting wrong principal. Tried turning off <code>rdns</code> (in libdefaults) etc. Finally ran gdb to discover that <code>getaddrinfo()</code> does PTR record lookup (when <code>AF_INET</code> and <code>AI_CANONNAME</code>).</div></td>
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<td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>;Simo: OK as first step. Maybe don't set <code>AI_CANONNAME</code> at all?</div></td>
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<td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>;Simo: OK as first step. Maybe don't set <code>AI_CANONNAME</code> at all?</div></td>
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<td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>;Greg: Maybe. In any case don't overload <code>rdns</code>, because the <code>getaddrinfo()</code> is intended to do a forward resolution.</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>;Greg: Maybe. In any case don't overload <code>rdns</code>, because the<ins class="diffchange diffchange-inline"> call to</ins> <code>getaddrinfo()</code> is intended to do a forward resolution.</div></td>
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<td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>;Tom: Maybe another knob for forward DNS.</div></td>
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<td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>;Tom: Maybe another knob for forward DNS.</div></td>
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<td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[ Tom will set up some test case DNS records in kerberos.org domain. ]</div></td>
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<td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[ Tom will set up some test case DNS records in kerberos.org domain. ]</div></td>
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<td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>...</div></td>
<td colspan="2" class="diff-empty"> </td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>;Tom: Also some issues with <code>gethostname()</code>, e.g. whether it appends the domain name.</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>;Greg: Most Linux distributions give just the short name.</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>;Simo: Depends on configuration.</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>;Greg: See [[Projects/Acceptor_Names]].</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>== libverto ==</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>;Nathaniel: libverto. Code mostly up. https://fedorahosted.org/libverto/</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>;Tom: Too bad about idle support. [ libdispatch, etc. does some nice things with that sort of task queue thing ]</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>;Nathaniel: Back end for libevent ~120 lines. Are blocks (C language extension) needed in libdispatch?</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>;Tom: Only needed for interface convenience. Without blocks, you don't get the entire API (you miss the blocks-dependent interfaces), but you still get the complete functionality.</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>;Nathaniel: verto.c:verto_free() ...handles some signal races during unload.</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>;Nathaniel: Where to test? (Doing Linux already.)</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>;Greg: Solaris.</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>;Nathaniel: Nothing too GNU-specific: <code>dladdr()</code> and <code>asprintf()</code>.</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>== Misc. ==</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>;Will: Glenn was working on code... what's the rule on testing for null before calling <code>free()</code>?</div></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>;Greg: We recently made a massive move toward not testing. [ Was needed a long time ago for platforms that had a conforming C compiler but libc was nonconforming in a way that made <code>free(NULL)</code> unsafe. ]</div></td>
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TomYu
https://k5wiki.test.kerberos.org/wiki?title=Release_Meeting_Minutes/2011-06-21&diff=3874&oldid=prev
TomYu: New page: {{minutes|2011}} Will Fiveash, Thomas Hardjono, Greg Hudson, Carlos Garay, Nathaniel McCallum, Simo Sorce, Zhanna Tsitkova, Tom Yu [ PAD stuff. Josh Howlett's messages to krb-wg... ] ;Si...
2011-06-21T19:12:38Z
<p>New page: {{minutes|2011}} Will Fiveash, Thomas Hardjono, Greg Hudson, Carlos Garay, Nathaniel McCallum, Simo Sorce, Zhanna Tsitkova, Tom Yu [ PAD stuff. Josh Howlett's messages to krb-wg... ] ;Si...</p>
<p><b>New page</b></p><div>{{minutes|2011}}<br />
Will Fiveash, Thomas Hardjono, Greg Hudson, Carlos Garay, Nathaniel McCallum, Simo Sorce, Zhanna Tsitkova, Tom Yu<br />
<br />
[ PAD stuff. Josh Howlett's messages to krb-wg... ]<br />
<br />
;Simo: Problems in glibc related to <code>getaddrinfo()</code>. Tried to log into a host via ssh but kept requesting wrong principal. Tried turning off <code>rdns</code> (in libdefaults) etc. Finally ran gdb to discover that <code>getaddrinfo()</code> does PTR record lookup (when <code>AF_INET</code> and <code>AI_CANONNAME</code>).<br />
<br />
;Tom: Does it do likewise with <code>AF_INET6</code>?<br />
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;Simo: unknown<br />
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;Greg: No idea why we use <code>AF_INET</code> in sn2princ?<br />
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;Tom: Bug workaround? [ unknown ] <code>getaddrinfo()</code> seems very unportable after 10+ years...<br />
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;Greg: No real other choice for IPv6. No obvious notes from Ken Raeburn on this situation.<br />
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;Tom: Drop <code>getaddrinfo()</code> completely?<br />
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;Greg: We want to have domain name appended in case the user doesn't type the FQDN. Alias resolution.<br />
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;Tom: Another knob to turn off forward resolution?<br />
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;Greg: Reading resolv.conf to emulate domain search list seems problematic. Long-term, KDC should set a flag "trust me for aliases".<br />
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;Simo: Shorter term?<br />
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;Greg: I'll ask Ken why we use <code>AF_INET</code> in sn2princ.<br />
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;Simo: OK as first step. Maybe don't set <code>AI_CANONNAME</code> at all?<br />
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;Greg: Maybe. In any case don't overload <code>rdns</code>, because the <code>getaddrinfo()</code> is intended to do a forward resolution.<br />
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;Tom: Maybe another knob for forward DNS.<br />
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[ Tom will set up some test case DNS records in kerberos.org domain. ]<br />
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...</div>
TomYu