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salt.14270
do-not-crash-when-there-are-ipv6-established-co...
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File do-not-crash-when-there-are-ipv6-established-connect.patch of Package salt.14270
From f185eabfb4b529157cf7464b32beebeb8b944310 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pablo=20Su=C3=A1rez=20Hern=C3=A1ndez?= <psuarezhernandez@suse.com> Date: Tue, 7 May 2019 15:33:51 +0100 Subject: [PATCH] Do not crash when there are IPv6 established connections (bsc#1130784) Add unit test for '_netlink_tool_remote_on' --- salt/utils/network.py | 9 +++++---- tests/unit/utils/test_network.py | 16 ++++++++++++++++ 2 files changed, 21 insertions(+), 4 deletions(-) diff --git a/salt/utils/network.py b/salt/utils/network.py index c72d2aec41..3f0522b9a5 100644 --- a/salt/utils/network.py +++ b/salt/utils/network.py @@ -1457,7 +1457,7 @@ def _parse_tcp_line(line): def _netlink_tool_remote_on(port, which_end): ''' - Returns set of ipv4 host addresses of remote established connections + Returns set of IPv4/IPv6 host addresses of remote established connections on local or remote tcp port. Parses output of shell 'ss' to get connections @@ -1467,6 +1467,7 @@ def _netlink_tool_remote_on(port, which_end): LISTEN 0 511 *:80 *:* LISTEN 0 128 *:22 *:* ESTAB 0 0 127.0.0.1:56726 127.0.0.1:4505 + ESTAB 0 0 [::ffff:127.0.0.1]:41323 [::ffff:127.0.0.1]:4505 ''' remotes = set() valid = False @@ -1486,14 +1487,14 @@ def _netlink_tool_remote_on(port, which_end): elif 'ESTAB' not in line: continue chunks = line.split() - local_host, local_port = chunks[3].split(':', 1) - remote_host, remote_port = chunks[4].split(':', 1) + local_host, local_port = chunks[3].rsplit(':', 1) + remote_host, remote_port = chunks[4].rsplit(':', 1) if which_end == 'remote_port' and int(remote_port) != port: continue if which_end == 'local_port' and int(local_port) != port: continue - remotes.add(remote_host) + remotes.add(remote_host.strip("[]")) if valid is False: remotes = None diff --git a/tests/unit/utils/test_network.py b/tests/unit/utils/test_network.py index ca627777a7..ecf7d7c45b 100644 --- a/tests/unit/utils/test_network.py +++ b/tests/unit/utils/test_network.py @@ -120,6 +120,14 @@ USER COMMAND PID FD PROTO LOCAL ADDRESS FOREIGN ADDRESS salt-master python2.781106 35 tcp4 127.0.0.1:61115 127.0.0.1:4506 ''' +LINUX_NETLINK_SS_OUTPUT = '''\ +State Recv-Q Send-Q Local Address:Port Peer Address:Port +TIME-WAIT 0 0 [::1]:8009 [::1]:40368 +LISTEN 0 128 127.0.0.1:5903 0.0.0.0:* +ESTAB 0 0 [::ffff:127.0.0.1]:4506 [::ffff:127.0.0.1]:32315 +ESTAB 0 0 192.168.122.1:4506 192.168.122.177:24545 +''' + IPV4_SUBNETS = {True: ('10.10.0.0/24',), False: ('10.10.0.0', '10.10.0.0/33', 'FOO', 9, '0.9.800.1000/24')} IPV6_SUBNETS = {True: ('::1/128',), @@ -453,6 +461,14 @@ class NetworkTestCase(TestCase): remotes = network._freebsd_remotes_on('4506', 'remote') self.assertEqual(remotes, set(['127.0.0.1'])) + def test_netlink_tool_remote_on(self): + with patch('salt.utils.platform.is_sunos', lambda: False): + with patch('salt.utils.platform.is_linux', lambda: True): + with patch('subprocess.check_output', + return_value=LINUX_NETLINK_SS_OUTPUT): + remotes = network._netlink_tool_remote_on('4506', 'local') + self.assertEqual(remotes, set(['192.168.122.177', '::ffff:127.0.0.1'])) + def test_generate_minion_id_distinct(self): ''' Test if minion IDs are distinct in the pool. -- 2.17.1
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