Comment 1 for bug 1870745

Running openconnect on the command-line, the environment variables are all present.

echo $COOKIE | /usr/sbin/openconnect --interface vpn0 mydomain.com --cookie-on-stdin

---
CISCO_CSTP_OPTIONS=X-CSTP-Version=1
CISCO_DEF_DOMAIN=mydomain.com
CISCO_SPLIT_EXC_0_ADDR=0.0.0.0
CISCO_SPLIT_EXC_0_MASK=255.255.255.255
CISCO_SPLIT_EXC_0_MASKLEN=32
CISCO_SPLIT_EXC_1_ADDR=10.1.12.244
CISCO_SPLIT_EXC_1_MASK=255.255.255.255
CISCO_SPLIT_EXC_1_MASKLEN=32
CISCO_SPLIT_EXC_2_ADDR=10.194.4.23
CISCO_SPLIT_EXC_2_MASK=255.255.255.255
CISCO_SPLIT_EXC_2_MASKLEN=32
CISCO_SPLIT_EXC=3
CISCO_SPLIT_INC_0_ADDR=10.96.52.0
CISCO_SPLIT_INC_0_MASK=255.255.252.0
CISCO_SPLIT_INC_0_MASKLEN=22
CISCO_SPLIT_INC_10_ADDR=10.96.52.0
CISCO_SPLIT_INC_10_MASK=255.255.252.0
CISCO_SPLIT_INC_10_MASKLEN=22
CISCO_SPLIT_INC_11_ADDR=10.96.52.0
CISCO_SPLIT_INC_11_MASK=255.255.252.0
CISCO_SPLIT_INC_11_MASKLEN=22
-- [snip] --
CISCO_SPLIT_INC=42
INTERNAL_IP4_ADDRESS=10.96.54.29
INTERNAL_IP4_DNS=10.96.16.111 10.96.16.112
INTERNAL_IP4_MTU=1402
INTERNAL_IP4_NBNS=10.96.16.111 10.96.16.112
INTERNAL_IP4_NETADDR=10.96.52.0
INTERNAL_IP4_NETMASK=255.255.252.0
INTERNAL_IP4_NETMASKLEN=22
LANG=en_GB.UTF-8
LANGUAGE=en_GB:en
LC_ADDRESS=en_GB.UTF-8
LC_IDENTIFICATION=en_GB.UTF-8
LC_MEASUREMENT=en_GB.UTF-8
LC_MONETARY=en_GB.UTF-8
LC_NAME=en_GB.UTF-8
LC_NUMERIC=en_GB.UTF-8
LC_PAPER=en_GB.UTF-8
LC_TELEPHONE=en_GB.UTF-8
LC_TIME=en_GB.UTF-8
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin
PWD=/
reason=connect
SHLVL=1
TUNDEV=vpn0
VPNGATEWAY=1.2.3.4
X-CSTP-Address=10.96.54.29
X-CSTP-Client-Bypass-Protocol=false
X-CSTP-Default-Domain=mydomain.com
X-CSTP-Disable-Always-On-VPN=false
X-CSTP-Disconnected-Timeout=3600
X-CSTP-DNS=10.96.16.111
X-CSTP-DNS=10.96.16.112
X-CSTP-DPD=30
X-CSTP-Hostname=mydomain.com
X-CSTP-Idle-Timeout=3600
X-CSTP-Keepalive=20
X-CSTP-Keep=true
X-CSTP-Lease-Duration=28800
X-CSTP-MSIE-Proxy-Lockdown=true
X-CSTP-MTU=1379
X-CSTP-NBNS=10.96.16.111
X-CSTP-NBNS=10.96.16.112
X-CSTP-Netmask=255.255.252.0
X-CSTP-Protocol=Copyright (c) 2004 Cisco Systems, Inc.
X-CSTP-Quarantine=false
X-CSTP-Routing-Filtering-Ignore=false
X-CSTP-Session-Timeout=28800
X-CSTP-Smartcard-Removal-Disconnect=true
X-CSTP-Split-Exclude=0.0.0.0/255.255.255.255
X-CSTP-Split-Exclude=10.1.12.244/255.255.255.255
X-CSTP-Split-Exclude=10.194.4.23/255.255.255.255
X-CSTP-Split-Include=10.0.0.0/255.0.0.0
X-CSTP-Split-Include=10.96.52.0/255.255.252.0
X-CSTP-Split-Include=10.96.52.0/255.255.252.0
X-CSTP-Split-Include=10.96.52.0/255.255.252.0
-- [snip] --
X-CSTP-TCP-Keepalive=true
X-CSTP-Tunnel-All-DNS=false
---