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build: Without getrandom() require gnutls 3.7.2

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gnutls before 3.7.2 and without getrandom() will open /dev/urandom at library
initialization time before main() is run. We use closefrom(3) in samba-bgqd and
samba-dcerpd, which closes /dev/urandom, which then breaks gnutls. On system
with getrandom(), no file descriptor is opened and gnutls 3.7.2+ will open and
close /dev/urandom whenever it needs to access it.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Jan 21 21:42:08 UTC 2022 on sn-devel-184
This commit is contained in:
Volker Lendecke 2022-01-17 10:49:13 +01:00 committed by Jeremy Allison
parent d0aa04e8c1
commit 82a21581c6
1 changed files with 4 additions and 0 deletions
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4
wscript_configure_system_gnutls
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@ -6,6 +6,10 @@ def parse_version(v):
gnutls_min_required_version = "3.4.7"
conf.CHECK_FUNCS('getrandom', headers='sys/random.h')
if not conf.CONFIG_SET('HAVE_GETRANDOM'):
gnutls_min_required_version = "3.7.2"
gnutls_required_version = gnutls_min_required_version
conf.CHECK_CFG(package='gnutls',