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ok gilles@
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- use a specific dispatch function for each type of query
- make the host handler work on a list of hosts by default (single host
queries are just a particular case) and use that to resolve the MX list
- various other code cleanup
- remove unused headers
- remove orphaned prototypes
- update copyright
ok gilles@
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ok gilles@
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ok gilles@
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ok gilles@
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- the MX records were not always properly inserted into the sorted
array, which led to some MX being silently dropped.
- if an MX address could not be resolved, mail delivery would fail,
even though other valid MX exist for that domain. Now only report
the failure if no server address can be found at all.
grrrreeat gilles@
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Then asr_run() call now returns ASR_COND when a condition on a FD is
expected. The exact condition (readable or writeable) is specified in
the asr_result structure, along with the fd and timeout.
ok gilles@
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ok gilles@
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since resolv.conf reloading is handled automatically by asr.
ok gilles@
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ok gilles@
previous commit should have read:
when copying 'struct sockaddr' data, use sa_len not sizeof(struct sockaddr_in)
this fixes truncation of IPv6 addresses in the mail delivery path
ok gilles@
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the behavior but I introduced a regression when switching to ASR.
bug reported by jmc@, bugfix tested by jmc@ and I
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the end of the buffer.
tested by and ok gilles@
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written by eric@. it is still experimental but still better than what we
had earlier so ... we'll improve in tree :)
diff by me with *lots* of help from eric@, tested by todd and I (and a
few people out there)
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resolver. if we run scarce on resources and we cannot fork a separate dns
process or we cannot socketpair() tell the caller that we have a temporary
failure rather than issueing a fatal(). message will stay in queue and be
rescheduled later ...
bug reported and bugfix tested by Sacha El Masry <lists@devilray.eu>
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"misalign strings on the stack" bug in gcc4 is fixed (even when that
is fixed this idiom is safer and quite common)
ok jacekm
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ok jacekm@
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ok gilles@
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(NXDOMAIN), leading to a bounce. Precede the MX lookup with an attempt to
parse the relay as numeric string.
"reads ok" gilles@
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ok gilles@ jacekm@
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The 1yz and 6yz status codes are now removed prior to reporting the status
message in bounce messages, which provides an easy way to distinguish
between local and remote status messages. Initial diff from jacekm@
ok gilles@ jacekm@
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this commit contains mostly missing casts and cosmethic changes, do not
expect to build this anywhere but on OpenBSD, it does not contain any of
the portable glue.
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Stop pushing event handling in the imsg framework.
Instead, provide a small glue layer on top of both imsg and libevent.
This finally clearly separates event handling and imsg construction.
Sidetrack bonus: remove the mega-ugly hack of having a dummy imsg_event_add
stub in smtpctl.
ok jaceckm@
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ok gilles@, jacekm@
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to the routing daemons by claudio@; ok gilles@
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- Improve RFC compliance: CNAMEs are resolved, equal preference MXs
are randomized, relaying via MX that has equal/lower preference
than local server is prevented, decision on when to treat domain
name as implicit MX is better.
ok gilles@
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ok jacekm@
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Pointed out by & ok sthen@, ok gilles@.
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contains bits based on an old diff from Jacek Masiulaniec and
other bits from me.
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unsigned and when running out of luck it will cause the lookup
process to crash.
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will probably miss this change when working on more important matters,
so it is probably better to sort them now. there is a risk of losing
the tags if a change needs to be reverted too.
written with excellent advice from jmc@
ok gilles@
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which still lacks many features. bringing it in tree will help working on it
more easily.
"at this stage it should go in" henning@, "move ahead" deraadt@
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