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Ported from catgirl:
commit 585039fb6e5097cfd16bc083c6d1c9356b237882
Author: Klemens Nanni <klemens@posteo.de>
Date: Sun Jun 20 14:42:10 2021 +0000
Use "secure" libtls ciphers
d3e90b6 'Use libtls "compat" ciphers' from 2018 fell back to "compat"
ciphers to support irc.mozilla.org which now yields NXDOMAIN.
All modern networks (should) support secure ciphers, so drop the
hopefully unneeded list of less secure ciphers by avoiding
tls_config_set_ciphers(3) and therefore sticking to the "secure" aka.
"default" set of ciphers in libtls.
A quick check shows that almost all of the big/known IRC networks
support TLS1.3 already; those who do not at least comply with
SSL_CTX_set_cipher_list(3)'s "HIGH" set as can be tested like this:
echo \
irc.hackint.org \
irc.tilde.chat \
irc.libera.chat \
irc.efnet.nl \
irc.oftc.net |
xargs -tn1 \
openssl s_client -quiet -cipher HIGH -no_ign_eof -port 6697 -host
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Rather than causing a tls_write(3) for each remaining token.
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This lets mandoc generate tags for the option names as well, so you
can ":t away" in less(1), for example, and anchor links in HTML
output. The added No's prevent the equals signs from being part of
the anchor links.
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IRCv3 has moved away from grouping specs together into versions
like this. SASL is still referred to as IRCv3.2 because there are
two different versions of that spec.
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This avoids duplicating tokens when a client sends VERSION and the
server responds with its 005s again.
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Based on seprint(2) from Plan 9. I'm not sure if my return value
exactly matches Plan 9's in the case of truncation. seprint(2) is
described only as returning a pointer to the terminating '\0', but
if it does so even in the case of truncation, it is awkward for the
caller to detect. This implementation returns end in the truncation
case, so that (ptr == end) indicates truncation.
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Default MANDIR to ${PREFIX}/man since it turns out man-db includes
/usr/local/man by default. Add support for BINDIR. Separate libs
out into LDADD variables.
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Oops.
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