==== run-tcp ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 32688
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on 127.0.0.1 40318
Connection to 127.0.0.1 32688 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 32688
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 40318
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 32688 port [tcp/*] succeeded!

==== run-tcp6 ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -n -v -l ::1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on ::1 43562
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -n -v ::1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection to ::1 43562 port [tcp/*] succeeded!
Connection received on ::1 11978
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on ::1 ' server.err
Listening on ::1 43562
grep 'Connection received on ::1 ' server.err
Connection received on ::1 11978
grep 'Connection to ::1 .* succeeded!' client.err
Connection to ::1 43562 port [tcp/*] succeeded!

==== run-tcp-localhost-server ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -4 -v -l localhost 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on localhost 48596
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on localhost 26633
Connection to 127.0.0.1 48596 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on localhost ' server.err
Listening on localhost 48596
grep 'Connection received on localhost ' server.err
Connection received on localhost 26633
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 48596 port [tcp/*] succeeded!

==== run-tcp6-localhost-server ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -6 -v -l localhost 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on localhost 48860
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -n -v ::1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on localhost 16177
Connection to ::1 48860 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on localhost ' server.err
Listening on localhost 48860
grep 'Connection received on localhost ' server.err
Connection received on localhost 16177
grep 'Connection to ::1 .* succeeded!' client.err
Connection to ::1 48860 port [tcp/*] succeeded!

==== run-tcp-localhost-client ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 15883
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -4 -v localhost `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on 127.0.0.1 15875
Connection to localhost (127.0.0.1) 15883 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 15883
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 15875
grep 'Connection to localhost .* succeeded!' client.err
Connection to localhost (127.0.0.1) 15883 port [tcp/*] succeeded!

==== run-tcp6-localhost-client ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -n -v -l ::1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on ::1 43715
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -6 -v localhost `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on ::1 48619
Connection to localhost (::1) 43715 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on ::1 ' server.err
Listening on ::1 43715
grep 'Connection received on ::1 ' server.err
Connection received on ::1 48619
grep 'Connection to localhost .* succeeded!' client.err
Connection to localhost (::1) 43715 port [tcp/*] succeeded!

==== run-tcp-bad-localhost-server ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
! ./netcat-regress -4 -v -l ::1 0 >server.out 2>server.err
grep 'non-recoverable failure in name resolution' server.err
netcat-regress: getaddrinfo: non-recoverable failure in name resolution

==== run-tcp6-bad-localhost-server ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
! ./netcat-regress -6 -v -l 127.0.0.0 0 >server.out 2>server.err
grep 'no address associated with name' server.err
netcat-regress: getaddrinfo: no address associated with name

==== run-tcp-bad-localhost-client ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 23913
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
! ./netcat-regress -4 -v ::1 `cat server.port` >client.out 2>client.err
grep 'non-recoverable failure in name resolution' client.err
netcat-regress: getaddrinfo for host "::1" port 23913: non-recoverable failure in name resolution

==== run-tcp6-bad-localhost-client ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 47767
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
! ./netcat-regress -6 -v 127.0.0.1 `cat server.port` >client.out 2>client.err
grep 'no address associated with name' client.err
netcat-regress: getaddrinfo for host "127.0.0.1" port 47767: no address associated with name

==== run-tcp-sleep ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 48273
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on 127.0.0.1 39106
Connection to 127.0.0.1 48273 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 48273
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 39106
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 48273 port [tcp/*] succeeded!
# netcat waits for the other side to terminate, check it is sleeping
let timeout=`date +%s`+5;  while ps -xww -o comm,stat | grep -q 'netcat-regress .*R';  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
ps -xww -o comm,stat,args | grep '^netcat-regress .*[IS].* -v -l 127'
netcat-regress          Sp     ./netcat-regress -n -v -l 127.0.0.1 0
ps -xww -o comm,stat,args | grep '^netcat-regress .*[IS].* -v 127'
netcat-regress          Sp     ./netcat-regress -n -v 127.0.0.1 48273

==== run-tcp-keep ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -k -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 47788
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on 127.0.0.1 10805
Connection to 127.0.0.1 47788 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 47788
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 10805
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 47788 port [tcp/*] succeeded!
# kill client and reconnect with a new one
:> server.err
pkill -l -f "^./netcat-regress .* 127.0.0.1 `cat server.port`$"
Listening on 127.0.0.1 36920
94756 netcat-regress
rm -f client.{out,err}
:> server.out
# server closes the listen socket and binds a new one with new port
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on 127.0.0.1 41583
Connection to 127.0.0.1 36920 port [tcp/*] succeeded!
# server sends only one greeting, do not wait for a second one
let timeout=`date +%s`+5;  until grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
! grep 'greeting' client.out
# truncation of log results in NUL bytes, do not match ^
grep 'command$' server.out
Binary file server.out matches
grep 'Listening on 127.0.0.1 ' server.err
Binary file server.err matches
grep 'Connection received on 127.0.0.1 ' server.err
Binary file server.err matches
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 36920 port [tcp/*] succeeded!

==== run-tls ====
openssl req -batch -new  -subj /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1/  -nodes -newkey rsa -keyout 127.0.0.1.key -x509 -out 127.0.0.1.crt
Generating a 2048 bit RSA private key
....................................................................................................
.........................................
writing new private key to '127.0.0.1.key'
-----
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -c -C 127.0.0.1.crt -K 127.0.0.1.key -n -v -l 127.0.0.1 0  2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 20990
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -c -R 127.0.0.1.crt -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on 127.0.0.1 14768
Connection to 127.0.0.1 20990 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host 127.0.0.1
Peer name: 127.0.0.1
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1
Issuer: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1
Valid From: Wed Apr 29 03:16:13 2026
Valid Until: Fri May 29 03:16:13 2026
Cert Hash: SHA256:0d2fa3a519c0a9aa3a9cd455e62ae125d605ec50b0799cd5599a5bd2871ccd40
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 20990
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 14768
# XXX success message should be issued after TLS handshake
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 20990 port [tcp/*] succeeded!
grep 'Subject: .*/OU=server/CN=127.0.0.1' client.err
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1
grep 'Issuer: .*/OU=server/CN=127.0.0.1' client.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1

==== run-tls6 ====
openssl req -batch -new  -subj /L=OpenBSD/O=netcat-regress/OU=server/CN=::1/  -nodes -newkey rsa -keyout 1.key -x509 -out 1.crt
Generating a 2048 bit RSA private key
......................................................................
.......................................................................
writing new private key to '1.key'
-----
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -c -C 1.crt -K 1.key -n -v -l ::1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on ::1 5639
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -c -R 1.crt -n -v ::1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on ::1 7250
Connection to ::1 5639 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host ::1
Peer name: ::1
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=::1
Issuer: /L=OpenBSD/O=netcat-regress/OU=server/CN=::1
Valid From: Wed Apr 29 03:16:14 2026
Valid Until: Fri May 29 03:16:14 2026
Cert Hash: SHA256:7e0d48db8bdf1e9b6d8b5cf352b98d14ebb17db5188f4cda0fc04036a832cb24
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on ::1 ' server.err
Listening on ::1 5639
grep 'Connection received on ::1 ' server.err
Connection received on ::1 7250
grep 'Connection to ::1 .* succeeded!' client.err
Connection to ::1 5639 port [tcp/*] succeeded!
grep 'Subject: .*/OU=server/CN=::1' client.err
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=::1
grep 'Issuer: .*/OU=server/CN=::1' client.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=server/CN=::1

==== run-tls-localhost ====
openssl req -batch -new  -subj /L=OpenBSD/O=netcat-regress/OU=ca/CN=root/  -nodes -newkey rsa -keyout ca.key -x509 -out ca.crt
Generating a 2048 bit RSA private key
..................................
...............................
writing new private key to 'ca.key'
-----
openssl req -batch -new  -subj /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost/  -nodes -newkey rsa -keyout server.key -out server.req
Generating a 2048 bit RSA private key
......................
............................................................................................................................................................
writing new private key to 'server.key'
-----
openssl x509 -CAcreateserial -CAkey ca.key -CA ca.crt  -req -in server.req -out server.crt
Signature ok
subject=/L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -c -C server.crt -K server.key -v -l localhost 0  2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep: server.err: No such file or directory
grep: server.err: No such file or directory
Listening on localhost 45663
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -c -R ca.crt -v localhost `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on localhost 44318
Connection to localhost (127.0.0.1) 45663 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host localhost
Peer name: localhost
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
Valid From: Wed Apr 29 03:16:17 2026
Valid Until: Fri May 29 03:16:17 2026
Cert Hash: SHA256:b06e0cf9f1b291e8ead11e7904b309cbde42727f15d367c1953d6f0b03428137
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on localhost ' server.err
Listening on localhost 45663
grep 'Connection received on localhost ' server.err
Connection received on localhost 44318
grep 'Connection to localhost .* succeeded!' client.err
Connection to localhost (127.0.0.1) 45663 port [tcp/*] succeeded!
grep 'Subject: .*/OU=server/CN=localhost' client.err
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
grep 'Issuer: .*/OU=ca/CN=root' client.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root

==== run-tls-bad-ca ====
openssl req -batch -new  -subj /L=OpenBSD/O=netcat-regress/OU=ca/CN=root/  -nodes -newkey rsa -keyout fake-ca.key -x509 -out fake-ca.crt
Generating a 2048 bit RSA private key
.........
....................................
writing new private key to 'fake-ca.key'
-----
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -c -C server.crt -K server.key -v -l localhost 0  2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep: server.err: No such file or directory
grep: server.err: No such file or directory
Listening on localhost 38936
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# the client uses the wrong root ca to verify the server cert
! ./netcat-regress -c -R fake-ca.crt -v localhost `cat server.port` >client.out 2>client.err
Connection received on localhost 45779
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
netcat-regress: tls handshake failed (handshake failed: error:02FFF020:system library:func(4095):Broken pipe)
grep 'Listening on localhost ' server.err
Listening on localhost 38936
grep 'Connection received on localhost ' server.err
Connection received on localhost 45779
grep 'certificate verification failed' client.err
netcat-regress: tls handshake failed (certificate verification failed: certificate signature failure)
! grep 'greeting' client.out
! grep 'command' server.out

==== run-tls-name ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -c -C server.crt -K server.key -n -v -l 127.0.0.1 0  2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 26378
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -c -e localhost -R ca.crt -n -v 127.0.0.1 `cat server.port`  2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on 127.0.0.1 46223
Connection to 127.0.0.1 26378 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host 127.0.0.1
Peer name: localhost
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
Valid From: Wed Apr 29 03:16:17 2026
Valid Until: Fri May 29 03:16:17 2026
Cert Hash: SHA256:b06e0cf9f1b291e8ead11e7904b309cbde42727f15d367c1953d6f0b03428137
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 26378
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 46223
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 26378 port [tcp/*] succeeded!
grep 'Subject: .*/OU=server/CN=localhost' client.err
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
grep 'Issuer: .*/OU=ca/CN=root' client.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root

==== run-tls-bad-name ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -c -C server.crt -K server.key -n -v -l 127.0.0.1 0  2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 17265
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# the common name in server.crt is localhost, not 127.0.0.1
! ./netcat-regress -c -e 127.0.0.1 -R ca.crt -n -v 127.0.0.1 `cat server.port` >client.out 2>client.err
Connection received on 127.0.0.1 22360
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 17265
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 22360
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 17265 port [tcp/*] succeeded!
grep "name \`127.0.0.1\' not present in server certificate" client.err
netcat-regress: tls handshake failed (name `127.0.0.1' not present in server certificate)
! grep 'greeting' client.out
! grep 'command' server.out

==== run-tls-hash ====
openssl x509 -in server.crt -outform der | sha256 | sed s/^/SHA256:/ >server.hash
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -c -C server.crt -K server.key -v -l localhost 0  2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on localhost 29146
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# check that the server presents certificate with correct hash
rm -f client.err; echo command | ./netcat-regress -c -H `cat server.hash` -R ca.crt -v localhost `cat server.port`  2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on localhost 2540
Connection to localhost (127.0.0.1) 29146 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host localhost
Peer name: localhost
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
Valid From: Wed Apr 29 03:16:17 2026
Valid Until: Fri May 29 03:16:17 2026
Cert Hash: SHA256:b06e0cf9f1b291e8ead11e7904b309cbde42727f15d367c1953d6f0b03428137
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on localhost ' server.err
Listening on localhost 29146
grep 'Connection received on localhost ' server.err
Connection received on localhost 2540
grep 'Connection to localhost .* succeeded!' client.err
Connection to localhost (127.0.0.1) 29146 port [tcp/*] succeeded!
grep 'Subject: .*/OU=server/CN=localhost' client.err
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
grep 'Issuer: .*/OU=ca/CN=root' client.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
grep 'Cert Hash: SHA256:' client.err
Cert Hash: SHA256:b06e0cf9f1b291e8ead11e7904b309cbde42727f15d367c1953d6f0b03428137

==== run-tls-bad-hash ====
openssl x509 -in ca.crt -outform der | sha256 | sed s/^/SHA256:/ >ca.hash
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -c -C server.crt -K server.key -v -l localhost 0  2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on localhost 11591
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# server presents certificate with server.hash, ca.hash is wrong
! ./netcat-regress -c -H `cat ca.hash` -R ca.crt -v localhost `cat server.port`  >client.out 2>client.err
Connection received on localhost 23151
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep 'Listening on localhost ' server.err
Listening on localhost 11591
grep 'Connection received on localhost ' server.err
Connection received on localhost 23151
grep 'Connection to localhost .* succeeded!' client.err
Connection to localhost (127.0.0.1) 11591 port [tcp/*] succeeded!
grep 'peer certificate is not SHA256:' client.err
netcat-regress: peer certificate is not SHA256:a696b1789c2bd6e0db5ce4044f062df8d62bb8f2ac6f68d30065e3b59cdd5672
! grep 'greeting' client.out
! grep 'command' server.out

==== run-tls-client ====
openssl req -batch -new  -subj /L=OpenBSD/O=netcat-regress/OU=client/CN=localhost/  -nodes -newkey rsa -keyout client.key -out client.req
Generating a 2048 bit RSA private key
......................
.................
writing new private key to 'client.key'
-----
openssl x509 -CAcreateserial -CAkey ca.key -CA ca.crt  -req -in client.req -out client.crt
Signature ok
subject=/L=OpenBSD/O=netcat-regress/OU=client/CN=localhost
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# use client certificate and validate at server
rm -f server.err; echo greeting | ./netcat-regress -c -R ca.crt -C server.crt -K server.key -v -l  localhost 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on localhost 36780
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -c -R ca.crt -C client.crt -K client.key -v  localhost `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on localhost 18625
Connection to localhost (127.0.0.1) 36780 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host localhost
Peer name: localhost
Subject: /L=OpenBSD/O=netcat-regress/OU=client/CN=localhost
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
Valid From: Wed Apr 29 03:16:21 2026
Valid Until: Fri May 29 03:16:21 2026
Cert Hash: SHA256:37459b5fa538d53e3427dddedd891766192139168ff9aafccd8db9f4d6dcf9d2
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host localhost
Peer name: localhost
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
Valid From: Wed Apr 29 03:16:17 2026
Valid Until: Fri May 29 03:16:17 2026
Cert Hash: SHA256:b06e0cf9f1b291e8ead11e7904b309cbde42727f15d367c1953d6f0b03428137
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on localhost ' server.err
Listening on localhost 36780
grep 'Connection received on localhost ' server.err
Connection received on localhost 18625
grep 'Connection to localhost .* succeeded!' client.err
Connection to localhost (127.0.0.1) 36780 port [tcp/*] succeeded!
grep 'Subject: .*/OU=server/CN=localhost' client.err
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
grep 'Issuer: .*/OU=ca/CN=root' client.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
grep 'Subject: .*/OU=client/CN=localhost' server.err
Subject: /L=OpenBSD/O=netcat-regress/OU=client/CN=localhost
grep 'Issuer: .*/OU=ca/CN=root' server.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root

==== run-tls-bad-client ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# require client certificate at server
rm -f server.err; echo greeting | ./netcat-regress -c -T clientcert -R ca.crt -C server.crt -K server.key  -v -l localhost 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on localhost 2308
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# client does not provide certificate
rm -f client.err; echo command | ./netcat-regress -c -R ca.crt -v localhost `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on localhost 19069
Connection to localhost (127.0.0.1) 2308 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
netcat-regress: No client certificate provided
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host localhost
Peer name: localhost
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
Valid From: Wed Apr 29 03:16:17 2026
Valid Until: Fri May 29 03:16:17 2026
Cert Hash: SHA256:b06e0cf9f1b291e8ead11e7904b309cbde42727f15d367c1953d6f0b03428137
grep 'Listening on localhost ' server.err
Listening on localhost 2308
grep 'Connection received on localhost ' server.err
Connection received on localhost 19069
grep 'Connection to localhost .* succeeded!' client.err
Connection to localhost (127.0.0.1) 2308 port [tcp/*] succeeded!
grep 'Subject: .*/OU=server/CN=localhost' client.err
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
grep 'Issuer: .*/OU=ca/CN=root' client.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
grep 'No client certificate provided' server.err
netcat-regress: No client certificate provided
! grep 'greeting' client.out
! grep 'command' server.out

==== run-tls-client-bad-ca ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# the server uses the wrong root ca to verify the client cert
rm -f server.err; echo greeting | ./netcat-regress -c -R fake-ca.crt -C server.crt -K server.key -v -l  localhost 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on localhost 38266
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
! ./netcat-regress -c -R ca.crt -C client.crt -K client.key -v  localhost `cat server.port` >client.out 2>client.err
Connection received on localhost 21823
netcat-regress: tls handshake failed (handshake failed: error:04FFF06A:rsa routines:CRYPTO_internal:block type is not 01)
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
nc localhost `cat server.port` 2>/dev/null || :
grep 'Listening on localhost ' server.err
Listening on localhost 38266
grep 'Connection received on localhost ' server.err
Connection received on localhost 21823
grep 'Connection to localhost .* succeeded!' client.err
Connection to localhost (127.0.0.1) 38266 port [tcp/*] succeeded!
# XXX no specific error message for bogus ca
egrep  'CRYPTO_internal:(block type is not 01|data too large for modulus)' server.err
netcat-regress: tls handshake failed (handshake failed: error:04FFF06A:rsa routines:CRYPTO_internal:block type is not 01)
! grep 'greeting' client.out
! grep 'command' server.out

==== run-tls-client-name ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# check client certificate name at server
rm -f server.err; echo greeting | ./netcat-regress -c -e localhost -R ca.crt -C server.crt -K server.key  -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 10517
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -4 -c -R ca.crt -C client.crt -K client.key -v  localhost `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on 127.0.0.1 29883
grep: client.err: No such file or directory
Connection to localhost (127.0.0.1) 10517 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host localhost
Peer name: localhost
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
Valid From: Wed Apr 29 03:16:17 2026
Valid Until: Fri May 29 03:16:17 2026
Cert Hash: SHA256:b06e0cf9f1b291e8ead11e7904b309cbde42727f15d367c1953d6f0b03428137
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host 127.0.0.1
Peer name: localhost
Subject: /L=OpenBSD/O=netcat-regress/OU=client/CN=localhost
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
Valid From: Wed Apr 29 03:16:21 2026
Valid Until: Fri May 29 03:16:21 2026
Cert Hash: SHA256:37459b5fa538d53e3427dddedd891766192139168ff9aafccd8db9f4d6dcf9d2
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 10517
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 29883
grep 'Connection to localhost .* succeeded!' client.err
Connection to localhost (127.0.0.1) 10517 port [tcp/*] succeeded!
grep 'Subject: .*/OU=server/CN=localhost' client.err
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
grep 'Issuer: .*/OU=ca/CN=root' client.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
grep 'Subject: .*/OU=client/CN=localhost' server.err
Subject: /L=OpenBSD/O=netcat-regress/OU=client/CN=localhost
grep 'Issuer: .*/OU=ca/CN=root' server.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root

==== run-tls-client-bad-name ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# client certificate is for localhost, check with 127.0.0.1 should fail
rm -f server.err; echo greeting | ./netcat-regress -c -e 127.0.0.1 -R ca.crt -C server.crt -K server.key  -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 8346
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# client does not see any problem, TLS handshake works, wait for exit
rm -f client.err; echo command | ./netcat-regress -4 -c -R ca.crt -C client.crt -K client.key -v  localhost `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on 127.0.0.1 2617
Connection to localhost (127.0.0.1) 8346 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host localhost
Peer name: localhost
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host 127.0.0.1
Peer name: 127.0.0.1
Subject: /L=OpenBSD/O=netcat-regress/OU=client/CN=localhost
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
Valid From: Wed Apr 29 03:16:21 2026
Valid From: Wed Apr 29 03:16:17 2026
Valid Until: Fri May 29 03:16:21 2026
Cert Hash: SHA256:37459b5fa538d53e3427dddedd891766192139168ff9aafccd8db9f4d6dcf9d2
Valid Until: Fri May 29 03:16:17 2026
netcat-regress: name (127.0.0.1) not found in client cert
Cert Hash: SHA256:b06e0cf9f1b291e8ead11e7904b309cbde42727f15d367c1953d6f0b03428137
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 8346
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 2617
grep 'Connection to localhost .* succeeded!' client.err
Connection to localhost (127.0.0.1) 8346 port [tcp/*] succeeded!
grep 'Subject: .*/OU=server/CN=localhost' client.err
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
grep 'Issuer: .*/OU=ca/CN=root' client.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
grep 'Subject: .*/OU=client/CN=localhost' server.err
Subject: /L=OpenBSD/O=netcat-regress/OU=client/CN=localhost
grep 'Issuer: .*/OU=ca/CN=root' server.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
grep 'name (127.0.0.1) not found in client cert' server.err
netcat-regress: name (127.0.0.1) not found in client cert
! grep 'greeting' client.out
! grep 'command' server.out

==== run-tls-client-hash ====
openssl x509 -in client.crt -outform der | sha256 | sed s/^/SHA256:/ >client.hash
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# check client certificate hash at server
rm -f server.err; echo greeting | ./netcat-regress -c -H `cat client.hash` -R ca.crt  -C server.crt -K server.key -v -l localhost 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on localhost 32136
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -c -R ca.crt -C client.crt -K client.key -v  localhost `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on localhost 4934
Connection to localhost (127.0.0.1) 32136 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host localhost
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host localhost
Peer name: localhost
Subject: /L=OpenBSD/O=netcat-regress/OU=client/CN=localhost
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
Peer name: localhost
Valid From: Wed Apr 29 03:16:21 2026
Valid Until: Fri May 29 03:16:21 2026
Cert Hash: SHA256:37459b5fa538d53e3427dddedd891766192139168ff9aafccd8db9f4d6dcf9d2
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
Valid From: Wed Apr 29 03:16:17 2026
Valid Until: Fri May 29 03:16:17 2026
Cert Hash: SHA256:b06e0cf9f1b291e8ead11e7904b309cbde42727f15d367c1953d6f0b03428137
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on localhost ' server.err
Listening on localhost 32136
grep 'Connection received on localhost ' server.err
Connection received on localhost 4934
grep 'Connection to localhost .* succeeded!' client.err
Connection to localhost (127.0.0.1) 32136 port [tcp/*] succeeded!
grep 'Subject: .*/OU=server/CN=localhost' client.err
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
grep 'Issuer: .*/OU=ca/CN=root' client.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
grep 'Subject: .*/OU=client/CN=localhost' server.err
Subject: /L=OpenBSD/O=netcat-regress/OU=client/CN=localhost
grep 'Issuer: .*/OU=ca/CN=root' server.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root

==== run-tls-client-bad-hash ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# client presents certificate with client.hash, ca.hash is wrong
rm -f server.err; echo greeting | ./netcat-regress -c -H `cat ca.hash` -R ca.crt  -C server.crt -K server.key -v -l localhost 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on localhost 48741
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# client does not see any problem, TLS handshake works, wait for exit
rm -f client.err; echo command | ./netcat-regress -c -R ca.crt -C client.crt -K client.key -v  localhost `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection to localhostConnection received on localhost 27116
 (127.0.0.1) 48741 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host localhost
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host localhost
Peer name: localhost
Subject: /L=OpenBSD/O=netcat-regress/OU=client/CN=localhost
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
Peer name: localhost
Valid From: Wed Apr 29 03:16:21 2026
Valid Until: Fri May 29 03:16:21 2026
Cert Hash: SHA256:37459b5fa538d53e3427dddedd891766192139168ff9aafccd8db9f4d6dcf9d2
netcat-regress: peer certificate is not SHA256:a696b1789c2bd6e0db5ce4044f062df8d62bb8f2ac6f68d30065e3b59cdd5672
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
Valid From: Wed Apr 29 03:16:17 2026
Valid Until: Fri May 29 03:16:17 2026
Cert Hash: SHA256:b06e0cf9f1b291e8ead11e7904b309cbde42727f15d367c1953d6f0b03428137
nc localhost `cat server.port` 2>/dev/null || :
grep 'Listening on localhost ' server.err
Listening on localhost 48741
grep 'Connection received on localhost ' server.err
Connection received on localhost 27116
grep 'Connection to localhost .* succeeded!' client.err
Connection to localhost (127.0.0.1) 48741 port [tcp/*] succeeded!
grep 'Subject: .*/OU=server/CN=localhost' client.err
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
grep 'Issuer: .*/OU=ca/CN=root' client.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
grep 'Subject: .*/OU=client/CN=localhost' server.err
Subject: /L=OpenBSD/O=netcat-regress/OU=client/CN=localhost
grep 'Issuer: .*/OU=ca/CN=root' server.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
grep 'peer certificate is not SHA256:' server.err
netcat-regress: peer certificate is not SHA256:a696b1789c2bd6e0db5ce4044f062df8d62bb8f2ac6f68d30065e3b59cdd5672
! grep 'greeting' client.out
! grep 'command' server.out

==== run-tls-client-no-hash ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# check client certificate hash at server if available
rm -f server.err; echo greeting | ./netcat-regress -c -H `cat client.hash` -R ca.crt  -C server.crt -K server.key -v -l localhost 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on localhost 28037
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# client provides no certificate
rm -f client.err; echo command | ./netcat-regress -c -R ca.crt -v localhost `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on localhost 36832
Connection to localhost (127.0.0.1) 28037 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host localhost
Peer name: localhost
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
Valid From: Wed Apr 29 03:16:17 2026
Valid Until: Fri May 29 03:16:17 2026
Cert Hash: SHA256:b06e0cf9f1b291e8ead11e7904b309cbde42727f15d367c1953d6f0b03428137
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
# client certificate and hash is optional, transfer is successful
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on localhost ' server.err
Listening on localhost 28037
grep 'Connection received on localhost ' server.err
Connection received on localhost 36832
grep 'Connection to localhost .* succeeded!' client.err
Connection to localhost (127.0.0.1) 28037 port [tcp/*] succeeded!
grep 'Subject: .*/OU=server/CN=localhost' client.err
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=localhost
grep 'Issuer: .*/OU=ca/CN=root' client.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root
# non existing hash is not checked
! grep 'Cert Hash: SHA256:' server.err

==== run-tls-sleep ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -c -C 127.0.0.1.crt -K 127.0.0.1.key -n -v -l 127.0.0.1 0  2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 26654
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -c -R 127.0.0.1.crt -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on 127.0.0.1 5766
Connection to 127.0.0.1 26654 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host 127.0.0.1
Peer name: 127.0.0.1
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1
Issuer: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1
Valid From: Wed Apr 29 03:16:13 2026
Valid Until: Fri May 29 03:16:13 2026
Cert Hash: SHA256:0d2fa3a519c0a9aa3a9cd455e62ae125d605ec50b0799cd5599a5bd2871ccd40
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 26654
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 5766
# XXX success message should be issued after TLS handshake
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 26654 port [tcp/*] succeeded!
grep 'Subject: .*/OU=server/CN=127.0.0.1' client.err
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1
grep 'Issuer: .*/OU=server/CN=127.0.0.1' client.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1
# netcat waits for the other side to terminate, check it is sleeping
let timeout=`date +%s`+5;  while ps -xww -o comm,stat | grep -q 'netcat-regress .*R';  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
ps -xww -o comm,stat,args | grep '^netcat-regress .*[IS].* -v -l 127'
netcat-regress          Sp     ./netcat-regress -c -C 127.0.0.1.crt -K 127.0.0.1.key -n -v -l 127.0.0.1 0
ps -xww -o comm,stat,args | grep '^netcat-regress .*[IS].* -v 127'
netcat-regress          Sp     ./netcat-regress -c -R 127.0.0.1.crt -n -v 127.0.0.1 26654

==== run-tls-keep ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -k -c -C 127.0.0.1.crt -K 127.0.0.1.key -n -v -l  127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 45589
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -c -R 127.0.0.1.crt -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on 127.0.0.1 24240
Connection to 127.0.0.1 45589 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host 127.0.0.1
Peer name: 127.0.0.1
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1
Issuer: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1
Valid From: Wed Apr 29 03:16:13 2026
Valid Until: Fri May 29 03:16:13 2026
Cert Hash: SHA256:0d2fa3a519c0a9aa3a9cd455e62ae125d605ec50b0799cd5599a5bd2871ccd40
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 45589
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 24240
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 45589 port [tcp/*] succeeded!
grep 'Subject: .*/OU=server/CN=127.0.0.1' client.err
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1
grep 'Issuer: .*/OU=server/CN=127.0.0.1' client.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1
# kill client and reconnect with a new one
:> server.err
pkill -l -f "^./netcat-regress .* 127.0.0.1 `cat server.port`$"
86365 netcat-regress
Listening on 127.0.0.1 3922
rm -f client.{out,err}
:> server.out
# server closes the listen socket and binds a new one with new port
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -c -R 127.0.0.1.crt -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on 127.0.0.1 33584
Connection to 127.0.0.1 3922 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'Cert Hash:' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host 127.0.0.1
Peer name: 127.0.0.1
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1
Issuer: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1
Valid From: Wed Apr 29 03:16:13 2026
Valid Until: Fri May 29 03:16:13 2026
Cert Hash: SHA256:0d2fa3a519c0a9aa3a9cd455e62ae125d605ec50b0799cd5599a5bd2871ccd40
# server sends only one greeting, do not wait for a second one
let timeout=`date +%s`+5;  until grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
! grep 'greeting' client.out
# truncation of log results in NUL bytes, do not match ^
grep 'command$' server.out
Binary file server.out matches
grep 'Listening on 127.0.0.1 ' server.err
Binary file server.err matches
grep 'Connection received on 127.0.0.1 ' server.err
Binary file server.err matches
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 3922 port [tcp/*] succeeded!
grep 'Subject: .*/OU=server/CN=127.0.0.1' client.err
Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1
grep 'Issuer: .*/OU=server/CN=127.0.0.1' client.err
Issuer: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1

==== run-udp ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -u -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Bound on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on 127.0.0.1 22514
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# the -v option would cause udptest() to write additional X
rm -f client.err; echo command | ./netcat-regress -u -n 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on 127.0.0.1 28953
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Bound on 127.0.0.1 ' server.err
Bound on 127.0.0.1 22514
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 28953

==== run-udp6 ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -u -n -v -l ::1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Bound on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on ::1 13006
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# the -v option would cause udptest() to write additional X
rm -f client.err; echo command | ./netcat-regress -u -n ::1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on ::1 1359
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Bound on ::1 ' server.err
Bound on ::1 13006
grep 'Connection received on ::1 ' server.err
Connection received on ::1 1359

==== run-udp-probe ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -u -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Bound on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on 127.0.0.1 30769
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
rm -f client.err; echo command | ./netcat-regress -u -v -n 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on 127.0.0.1 41769
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Bound on 127.0.0.1 ' server.err
Bound on 127.0.0.1 30769
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 41769

==== run-udp-localhost ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -u -4 -v -l localhost 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Bound on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on localhost 42744
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# the -v option would cause udptest() to write additional X
rm -f client.err; echo command | ./netcat-regress -u -4 localhost `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on localhost 19103
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Bound on localhost ' server.err
Bound on localhost 42744
grep 'Connection received on localhost ' server.err
Connection received on localhost 19103

==== run-udp6-localhost ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -u -6 -v -l localhost 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Bound on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on localhost 16747
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# the -v option would cause udptest() to write additional X
rm -f client.err; echo command | ./netcat-regress -u -6 localhost `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on localhost 17861
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Bound on localhost ' server.err
Bound on localhost 16747
grep 'Connection received on localhost ' server.err
Connection received on localhost 17861

==== run-udp-keep ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -k -u -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Bound on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on 127.0.0.1 37972
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# the -v option causes udptest() to write additional X
rm -f client.err; echo command | ./netcat-regress -u -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
# server does not connect, nothing reaches the client
let timeout=`date +%s`+5;  until grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
! grep 'greeting' client.out
grep '^command$' server.out
command
grep 'Bound on 127.0.0.1 ' server.err
Bound on 127.0.0.1 37972
# client does not connect
! grep 'Connection received on ' server.err
# kill client and reconnect with a new one
:> server.err
pkill -l -f "^./netcat-regress .* 127.0.0.1 `cat server.port`$"
1487 netcat-regress
rm -f client.{out,err}
:> server.out
rm -f client.err; echo command | ./netcat-regress -u -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
! grep 'greeting' client.out
# truncation of log results in NUL bytes, do not match ^
grep 'command$' server.out
Binary file server.out matches
# server keeps socket and does not bind again
! grep 'Bound on ' server.err
# client does not connect
! grep 'Connection received on ' server.err

==== run-udp-sleep ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -u -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Bound on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on 127.0.0.1 38900
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# the -v option would cause udptest() to write additional X
rm -f client.err; echo command | ./netcat-regress -u -n 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on 127.0.0.1 24392
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Bound on 127.0.0.1 ' server.err
Bound on 127.0.0.1 38900
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 24392
# netcat waits for the other side to terminate, check it is sleeping
let timeout=`date +%s`+5;  while ps -xww -o comm,stat | grep -q 'netcat-regress .*R';  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
ps -xww -o comm,stat,args | grep '^netcat-regress .*[IS].* -v -l 127'
netcat-regress          Sp     ./netcat-regress -u -n -v -l 127.0.0.1 0
ps -xww -o comm,stat,args | grep '^netcat-regress .*[IS].* -n 127'
netcat-regress          Sp     ./netcat-regress -u -n 127.0.0.1 38900

==== run-unix ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.sock
rm -f server.err; echo greeting | ./netcat-regress -U -n -v -l server.sock 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on server.sock
Listening on server.sock
rm -f client.err; echo command | ./netcat-regress -U -n -v server.sock 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on server.sock
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
# XXX message Bound and Listening is redundant
grep 'Bound on server.sock$' server.err
Bound on server.sock
grep 'Listening on server.sock$' server.err
Listening on server.sock
grep 'Connection received on server.sock$' server.err
Connection received on server.sock
# XXX message succeeded is missing
! grep 'Connection to server.sock .* succeeded!' client.err

==== run-unix-namelookup ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.sock
rm -f server.err; echo greeting | ./netcat-regress -U -v -l server.sock 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on server.sock
Listening on server.sock
rm -f client.err; echo command | ./netcat-regress -U -v server.sock 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on server.sock
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
# XXX message Bound and Listening is redundant
grep 'Bound on server.sock$' server.err
Bound on server.sock
grep 'Listening on server.sock$' server.err
Listening on server.sock
grep 'Connection received on server.sock$' server.err
Connection received on server.sock
# XXX message succeeded is missing
! grep 'Connection to server.sock .* succeeded!' client.err

==== run-unix-probe ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.sock
rm -f server.err; echo greeting | ./netcat-regress -U -n -v -l server.sock 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on server.sock
Listening on server.sock
# connect and close immediately, check if socket is listening
./netcat-regress -N -U -v server.sock </dev/null >client.out 2>client.err
Connection received on server.sock
# XXX message Bound and Listening is redundant
grep 'Bound on server.sock$' server.err
Bound on server.sock
grep 'Listening on server.sock$' server.err
Listening on server.sock
grep 'Connection received on server.sock$' server.err
Connection received on server.sock
# XXX message succeeded is missing
! grep 'Connection to server.sock .* succeeded!' client.err
# server accepts one connection, second connection should be refused
! ./netcat-regress -N -U -v server.sock </dev/null >client.out 2>client.err
grep 'server.sock: Connection refused' client.err
netcat-regress: server.sock: Connection refused
# connection to non existing socket file should fail
rm server.sock
! ./netcat-regress -N -U -v server.sock </dev/null >client.out 2>client.err
grep 'server.sock: No such file or directory' client.err
netcat-regress: server.sock: No such file or directory

==== run-unix-keep ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.sock
rm -f server.err; echo greeting | ./netcat-regress -k -U -n -v -l server.sock 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on server.sock
Listening on server.sock
rm -f client.err; echo command | ./netcat-regress -U -n -v server.sock 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on server.sock
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
# XXX message Bound and Listening is redundant
grep 'Bound on server.sock$' server.err
Bound on server.sock
grep 'Listening on server.sock$' server.err
Listening on server.sock
grep 'Connection received on server.sock$' server.err
Connection received on server.sock
# XXX message succeeded is missing
! grep 'Connection to server.sock .* succeeded!' client.err
# kill client and reconnect with a new one
:> server.err
pkill -l -f "^./netcat-regress .* -v server.sock$"
28463 netcat-regress
rm -f client.{out,err}
:> server.out
rm -f client.err; echo command | ./netcat-regress -U -n -v server.sock 2>&1 >client.out | tee client.err &
# server sends only one greeting, do not wait for a second one
let timeout=`date +%s`+5;  until grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on server.sock
! grep 'greeting' client.out
# truncation of log results in NUL bytes, do not match ^
grep 'command$' server.out
Binary file server.out matches
grep 'Connection received on server.sock$' server.err
Binary file server.err matches
# XXX message succeeded is missing
! grep 'Connection to server.sock .* succeeded!' client.err

==== run-unix-dgram ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f {client,server}.sock
rm -f server.err; echo greeting | ./netcat-regress -U -u -n -v -l server.sock 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Bound on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on server.sock
rm -f client.err; echo command | ./netcat-regress -U -u -n -v server.sock 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on /tmp/nc.ZQHnHCZW8P
Connection received on server.sock
let timeout=`date +%s`+5;  until grep -q 'Bound on ' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Bound on server.sock$' server.err
Bound on server.sock
grep 'Connection received on server.sock$' server.err
Connection received on server.sock
# XXX message succeeded is missing
! grep 'Connection to server.sock .* succeeded!' client.err

==== run-unix-dgram-namelookup ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f {client,server}.sock
rm -f server.err; echo greeting | ./netcat-regress -U -u -v -l server.sock 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Bound on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on server.sock
rm -f client.err; echo command | ./netcat-regress -U -u -v server.sock 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on /tmp/nc.xA1fZ8iVVK
Connection received on server.sock
let timeout=`date +%s`+5;  until grep -q 'Bound on ' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Bound on server.sock$' server.err
Bound on server.sock
grep 'Connection received on server.sock$' server.err
Connection received on server.sock
# XXX message succeeded is missing
! grep 'Connection to server.sock .* succeeded!' client.err

==== run-unix-dgram-clientsock ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f {client,server}.sock
rm -f server.err; echo greeting | ./netcat-regress -U -u -n -v -l server.sock 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Bound on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on server.sock
rm -f client.err; echo command | ./netcat-regress -U -u -n -v -s client.sock server.sock 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out && grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection received on server.sock
Bound on client.sock
grep '^greeting$' client.out
greeting
grep '^command$' server.out
command
grep 'Bound on server.sock$' server.err
Bound on server.sock
grep 'Connection received on server.sock$' server.err
Connection received on server.sock
# XXX message succeeded is missing
! grep 'Connection to server.sock .* succeeded!' client.err

==== run-unix-dgram-keep ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f {client,server}.sock
rm -f server.err; echo greeting | ./netcat-regress -k -U -u -n -v -l server.sock 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Bound on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on server.sock
rm -f client.err; echo command | ./netcat-regress -U -u -n -v server.sock 2>&1 >client.out | tee client.err &
# server does not connect, nothing reaches the client
let timeout=`date +%s`+5;  until grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on /tmp/nc.FJabls0fLd
let timeout=`date +%s`+5;  until grep -q 'Bound on ' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
! grep 'greeting' client.out
grep '^command$' server.out
command
grep 'Bound on server.sock$' server.err
Bound on server.sock
# client does not connect
! grep 'Connection received on ' server.err
# XXX message succeeded is missing
! grep 'Connection to server.sock .* succeeded!' client.err
# kill client and reconnect with a new one
:> server.err
pkill -l -f "^./netcat-regress .* -v server.sock$"
2062 netcat-regress
rm -f client.{out,err}
:> server.out
rm -f client.err; echo command | ./netcat-regress -U -u -n -v server.sock 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Bound on /tmp/nc.qQb962lXyB
let timeout=`date +%s`+5;  until grep -q 'Bound on ' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
! grep 'greeting' client.out
# truncation of log results in NUL bytes, do not match ^
grep 'command$' server.out
Binary file server.out matches
# server keeps socket and does not bind again
! grep 'Bound on ' server.err
# client does not connect
! grep 'Connection received on ' server.err
# XXX message succeeded is missing
! grep 'Connection to 127.0.0.1 .* succeeded!' client.err

==== run-tcp-test ====
cc -O2 -pipe  -g -Wall -Wpointer-arith -Wuninitialized -Wstrict-prototypes -Wmissing-prototypes -Wunused -Wsign-compare -Wshadow  -MD -MP  -c /home/src/regress/usr.bin/nc/server-tcp.c
cc -O2 -pipe  -g -Wall -Wpointer-arith -Wuninitialized -Wstrict-prototypes -Wmissing-prototypes -Wunused -Wsign-compare -Wshadow  -MD -MP  -c /home/src/regress/usr.bin/nc/util.c
cc   -o server-tcp server-tcp.o util.o 
cc -O2 -pipe  -g -Wall -Wpointer-arith -Wuninitialized -Wstrict-prototypes -Wmissing-prototypes -Wunused -Wsign-compare -Wshadow  -MD -MP  -c /home/src/regress/usr.bin/nc/client-tcp.c
cc   -o client-tcp client-tcp.o util.o 
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# test the test tools
./server-tcp -s greeting -r command 127.0.0.1 0 >server.port
sock: 127.0.0.1 23930
./client-tcp -r greeting -s command 127.0.0.1 `cat server.port` >client.port
sock: 127.0.0.1 17988
peer: 127.0.0.1 17988
peer: 127.0.0.1 23930
>>> greeting
<<< greeting
>>> command
<<< command

==== run-tcp-test-shutdown ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# test the test tools
./server-tcp -s greeting -N -r command -E 127.0.0.1 0 >server.port
sock: 127.0.0.1 46307
./client-tcp -r greeting -E -s command -N 127.0.0.1 `cat server.port` >client.port
peer: 127.0.0.1 17929
sock: 127.0.0.1 17929
peer: 127.0.0.1 46307
>>> greeting
<<< greeting
<<< EOF
>>> command
<<< command
<<< EOF

==== run-tcp-server ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 7688
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# test client read from netcat, then send line and exit
./client-tcp -r greeting -s command 127.0.0.1 `cat server.port` >client.port
sock: 127.0.0.1 25885
Connection received on 127.0.0.1 25885
peer: 127.0.0.1 7688
<<< greeting
>>> command
let timeout=`date +%s`+5;  until grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^command$' server.out
command
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 7688
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 25885

==== run-tcp-server-eof ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 7268
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# test client read from netcat, then send line, shutdown, wait for eof
./client-tcp -r greeting -s command -N -E 127.0.0.1 `cat server.port` >client.port
Connection received on 127.0.0.1 34395
sock: 127.0.0.1 34395
peer: 127.0.0.1 7268
<<< greeting
>>> command
<<< EOF
let timeout=`date +%s`+5;  until grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^command$' server.out
command
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 7268
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 34395

==== run-tcp-server-reverse-eof ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
rm -f server.err; echo greeting | ./netcat-regress -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 8060
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# test client send to netcat, shutdown, then read line, wait for eof
./client-tcp -s command -N -r greeting -E 127.0.0.1 `cat server.port` >client.port
Connection received on 127.0.0.1 40608
sock: 127.0.0.1 40608
peer: 127.0.0.1 8060
>>> command
<<< greeting
<<< EOF
let timeout=`date +%s`+5;  until grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^command$' server.out
command
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 8060
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 40608

==== run-tcp-server-shutdown-eof ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# netcat calls shutdown on output after EOF on input
rm -f server.err; echo greeting | ./netcat-regress -N -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 35202
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# test client read from netcat, then send line, wait for eof, shutdown
./client-tcp -r greeting -s command -E -N 127.0.0.1 `cat server.port` >client.port
Connection received on 127.0.0.1 27092
sock: 127.0.0.1 27092
peer: 127.0.0.1 35202
<<< greeting
>>> command
<<< EOF
let timeout=`date +%s`+5;  until grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^command$' server.out
command
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 35202
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 27092

==== run-tcp-server-shutdown-reverse-eof ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# netcat calls shutdown on output after EOF on input
rm -f server.err; echo greeting | ./netcat-regress -N -n -v -l 127.0.0.1 0 2>&1 >server.out | tee server.err &
let timeout=`date +%s`+5;  until grep -q 'Listening on ' server.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Listening on 127.0.0.1 43312
sed -E -n 's/(Listening|Bound) on .* //p' server.err >server.port
# test client send to netcat, shutdown, then read line, wait for eof
./client-tcp -s command -N -r greeting -E 127.0.0.1 `cat server.port` >client.port
Connection received on 127.0.0.1 44870
sock: 127.0.0.1 44870
peer: 127.0.0.1 43312
>>> command
<<< greeting
<<< EOF
let timeout=`date +%s`+5;  until grep -q 'command' server.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^command$' server.out
command
grep 'Listening on 127.0.0.1 ' server.err
Listening on 127.0.0.1 43312
grep 'Connection received on 127.0.0.1 ' server.err
Connection received on 127.0.0.1 44870

==== run-tcp-client ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# test server send to netcat, then read line and exit
./server-tcp -s greeting -r command 127.0.0.1 0 >server.port
sock: 127.0.0.1 40194
rm -f client.err; echo command | ./netcat-regress -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection to 127.0.0.1 40194 port [tcp/*] succeeded!
peer: 127.0.0.1 18547
>>> greeting
<<< command
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 40194 port [tcp/*] succeeded!

==== run-tcp-client-eof ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# test server send to netcat, shutdown, then read line, wait for eof
./server-tcp -s greeting -N -r command -E 127.0.0.1 0 >server.port
sock: 127.0.0.1 6645
rm -f client.err; echo command | ./netcat-regress -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection to 127.0.0.1 6645 port [tcp/*] succeeded!
peer: 127.0.0.1 39234
>>> greeting
<<< command
<<< EOF
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 6645 port [tcp/*] succeeded!

==== run-tcp-client-reverse-eof ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# test server read from netcat, then read line, wait for eof, shutdown
./server-tcp -r command -s greeting -E -N 127.0.0.1 0 >server.port
sock: 127.0.0.1 6361
rm -f client.err; echo command | ./netcat-regress -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
peer: 127.0.0.1 10861
Connection to 127.0.0.1<<< command
>>> greeting
 6361 port [tcp/*] succeeded!
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 6361 port [tcp/*] succeeded!

==== run-tcp-client-shutdown-eof ====
pkill netcat-regress || true
<<< EOF
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# test server send to netcat, shutdown, then read line, wait for eof
./server-tcp -s greeting -N -r command -E 127.0.0.1 0 >server.port
sock: 127.0.0.1 40716
# netcat calls shutdown on output after EOF on input
rm -f client.err; echo command | ./netcat-regress -N -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection to 127.0.0.1 40716 port [tcp/*] succeeded!
peer: 127.0.0.1 33535
>>> greeting
<<< command
<<< EOF
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 40716 port [tcp/*] succeeded!

==== run-tcp-client-shutdown-reverse-eof ====
pkill netcat-regress || true
rm -f netcat-regress
# copying global netcat to local name allows to pkill it during cleanup
cp /usr/bin/nc netcat-regress
chmod 755 netcat-regress
# test server read from netcat, wait for eof, then read line, shutdown
./server-tcp -r command -E -s greeting -N 127.0.0.1 0 >server.port
sock: 127.0.0.1 26411
# netcat calls shutdown on output after EOF on input
rm -f client.err; echo command | ./netcat-regress -N -n -v 127.0.0.1 `cat server.port` 2>&1 >client.out | tee client.err &
let timeout=`date +%s`+5;  until grep -q 'Connection to .* succeeded' client.err;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
Connection to 127.0.0.1 26411 port [tcp/*] succeeded!
peer: 127.0.0.1 36271
<<< command
<<< EOF
>>> greeting
let timeout=`date +%s`+5;  until grep -q 'greeting' client.out;  do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done
grep '^greeting$' client.out
greeting
grep 'Connection to 127.0.0.1 .* succeeded!' client.err
Connection to 127.0.0.1 26411 port [tcp/*] succeeded!

==== cleanup ====
pkill netcat-regress || true