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sslutil: require TLS 1.1+ when supported...
sslutil: require TLS 1.1+ when supported Currently, Mercurial will use TLS 1.0 or newer when connecting to remote servers, selecting the highest TLS version supported by both peers. On older Pythons, only TLS 1.0 is available. On newer Pythons, TLS 1.1 and 1.2 should be available. Security professionals recommend avoiding TLS 1.0 if possible. PCI DSS 3.1 "strongly encourages" the use of TLS 1.2. Known attacks like BEAST and POODLE exist against TLS 1.0 (although mitigations are available and properly configured servers aren't vulnerable). I asked Eric Rescorla - Mozilla's resident crypto expert - whether Mercurial should drop support for TLS 1.0. His response was "if you can get away with it." Essentially, a number of servers on the Internet don't support TLS 1.1+. This is why web browsers continue to support TLS 1.0 despite desires from security experts. This patch changes Mercurial's default behavior on modern Python versions to require TLS 1.1+, thus avoiding known security issues with TLS 1.0 and making Mercurial more secure by default. Rather than drop TLS 1.0 support wholesale, we still allow TLS 1.0 to be used if configured. This is a compromise solution - ideally we'd disallow TLS 1.0. However, since we're not sure how many Mercurial servers don't support TLS 1.1+ and we're not sure how much user inconvenience this change will bring, I think it is prudent to ship an escape hatch that still allows usage of TLS 1.0. In the default case our users get better security. In the worst case, they are no worse off than before this patch. This patch has no effect when running on Python versions that don't support TLS 1.1+. As the added test shows, connecting to a server that doesn't support TLS 1.1+ will display a warning message with a link to our wiki, where we can guide people to configure their client to allow less secure connections.
Matt Mackall - - Load All Authors

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test-eolfilename.t
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Matt Mackall
tests: replace exit 80 with #require
 r22046 #require eol-in-paths
Matt Mackall
tests: unify test-eolfilename
 r12425
Matt Mackall
urls: bulk-change BTS urls to new location
 r26420 https://bz.mercurial-scm.org/352
Matt Mackall
tests: unify test-eolfilename
 r12425
test issue352
$ hg init foo
$ cd foo
$ A=`printf 'he\rllo'`
$ echo foo > "$A"
$ hg add
Mads Kiilerich
run-tests: allow test output lines to be terminated with \r in addition to \n...
 r17742 adding he\r (no-eol) (esc)
llo
Matt Mackall
tests: unify test-eolfilename
 r12425 abort: '\n' and '\r' disallowed in filenames: 'he\rllo'
[255]
$ hg ci -A -m m
Mads Kiilerich
run-tests: allow test output lines to be terminated with \r in addition to \n...
 r17742 adding he\r (no-eol) (esc)
llo
Matt Mackall
tests: unify test-eolfilename
 r12425 abort: '\n' and '\r' disallowed in filenames: 'he\rllo'
[255]
$ rm "$A"
$ echo foo > "hell
> o"
$ hg add
adding hell
o
abort: '\n' and '\r' disallowed in filenames: 'hell\no'
[255]
$ hg ci -A -m m
adding hell
o
abort: '\n' and '\r' disallowed in filenames: 'hell\no'
[255]
$ echo foo > "$A"
$ hg debugwalk
Mads Kiilerich
run-tests: allow test output lines to be terminated with \r in addition to \n...
 r17742 f he\r (no-eol) (esc)
llo he\r (no-eol) (esc)
llo
Matt Mackall
tests: unify test-eolfilename
 r12425 f hell
o hell
o
Adrian Buehlmann
copy: do not copy file if name is disallowed anyway
 r13945 $ echo bla > quickfox
$ hg add quickfox
$ hg ci -m 2
$ A=`printf 'quick\rfox'`
$ hg cp quickfox "$A"
abort: '\n' and '\r' disallowed in filenames: 'quick\rfox'
[255]
$ hg mv quickfox "$A"
abort: '\n' and '\r' disallowed in filenames: 'quick\rfox'
[255]
Matt Mackall
urls: bulk-change BTS urls to new location
 r26420 https://bz.mercurial-scm.org/2036
Matt Mackall
tests: unify test-eolfilename
 r12425
$ cd ..
test issue2039
$ hg init bar
$ cd bar
Yuya Nishihara
tests: write hgrc of more than two lines by using shell heredoc...
 r23172 $ cat <<EOF >> $HGRCPATH
> [extensions]
> color =
> [color]
> mode = ansi
> EOF
Matt Mackall
tests: unify test-eolfilename
 r12425 $ A=`printf 'foo\nbar'`
$ B=`printf 'foo\nbar.baz'`
$ touch "$A"
$ touch "$B"
$ hg status --color=always
Matt Mackall
status: use condwrite to avoid zero-width format string hack
 r17910 \x1b[0;35;1;4m? \x1b[0m\x1b[0;35;1;4mfoo\x1b[0m (esc)
Mads Kiilerich
tests: use (esc) for all non-ASCII test output
 r12942 \x1b[0;35;1;4mbar\x1b[0m (esc)
Matt Mackall
status: use condwrite to avoid zero-width format string hack
 r17910 \x1b[0;35;1;4m? \x1b[0m\x1b[0;35;1;4mfoo\x1b[0m (esc)
Mads Kiilerich
tests: use (esc) for all non-ASCII test output
 r12942 \x1b[0;35;1;4mbar.baz\x1b[0m (esc)
Mads Kiilerich
tests: add missing trailing 'cd ..'...
 r16913
$ cd ..