Fixes bug 25512.

(Cherry-picked from 3519d0c8

Recent Python3 versions seem to require this on Windows.

Fixes bug 26535; bug copied from ntor_ref.py on 0.3.1.1-alpha.

Recent Python3 versions seem to require this on Windows.

Fixes bug 26535; bug introduced in f4be34f7, which
was apparently intended itself as a Python3 workaround.

This check was added by mistake long ago.  It will be nice to see
these EOLs disappear from our code over time.

(backport from master)

Bug not in any released Tor.

Found by asan on travis :/

For HSv3, the HSADDRESS= wasn't properly parsed for the HSPOST command. It now
correctly use it and furthermore sends back a "200 OK" in case the command is
successful for a v3 descriptor.

Fixes #26523

Signed-off-by: David Goulet <dgoulet@torproject.org>

This patch fixes a memory leak in test_sr_setup_commits() where the
place_holder is allocated, but never freed again.

See: Coverity CID 1437440.