==== 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 48668 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 14701 Connection to 127.0.0.1 48668 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 48668 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 14701 grep 'Connection to 127.0.0.1 .* succeeded!' client.err Connection to 127.0.0.1 48668 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 14968 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 ::1 12383 Connection to ::1 14968 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 14968 grep 'Connection received on ::1 ' server.err Connection received on ::1 12383 grep 'Connection to ::1 .* succeeded!' client.err Connection to ::1 14968 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 47907 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 to 127.0.0.1 47907 port [tcp/*] succeeded! let timeout=`date +%s`+5; until grep -q 'greeting' client.out && grep -q 'command' server.out; do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done Connection received on localhost 25321 grep '^greeting$' client.out greeting grep '^command$' server.out command grep 'Listening on localhost ' server.err Listening on localhost 47907 grep 'Connection received on localhost ' server.err Connection received on localhost 25321 grep 'Connection to 127.0.0.1 .* succeeded!' client.err Connection to 127.0.0.1 47907 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 19078 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 19078 port [tcp/*] succeeded! Connection received on localhost 46746 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 19078 grep 'Connection received on localhost ' server.err Connection received on localhost 46746 grep 'Connection to ::1 .* succeeded!' client.err Connection to ::1 19078 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 32821 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 45348 Connection to localhost (127.0.0.1) 32821 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 32821 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 45348 grep 'Connection to localhost .* succeeded!' client.err Connection to localhost (127.0.0.1) 32821 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 39459 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 34039 Connection to localhost (::1) 39459 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 39459 grep 'Connection received on ::1 ' server.err Connection received on ::1 34039 grep 'Connection to localhost .* succeeded!' client.err Connection to localhost (::1) 39459 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 45292 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 45292: 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 6555 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 6555: 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 31037 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 10607 Connection to 127.0.0.1 31037 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 31037 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 10607 grep 'Connection to 127.0.0.1 .* succeeded!' client.err Connection to 127.0.0.1 31037 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 31037 ==== 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 40004 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 15808 Connection to 127.0.0.1 40004 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$' server.out command grep 'Listening on 127.0.0.1 ' server.err Listening on 127.0.0.1 40004 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 15808 grep 'Connection to 127.0.0.1 .* succeeded!' client.err Connection to 127.0.0.1 40004 port [tcp/*] succeeded! # kill client and reconnect with a new one :> server.err pkill -l -f "^./netcat-regress .* 127.0.0.1 `cat server.port`$" Listening on 127.0.0.1 39816 83628 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 48092 Connection to 127.0.0.1 39816 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 39816 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 45750 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 37395 Connection to 127.0.0.1 45750 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: Fri May 1 03:12:39 2026 Valid Until: Sun May 31 03:12:39 2026 Cert Hash: SHA256:1d8783fd4a4990650b49cc2a7c78a2042c280ab2ef9f30f7981f14e86d2d933e 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 45750 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 37395 # 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 45750 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 15905 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 23111 Connection to ::1 15905 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: Fri May 1 03:12:40 2026 Valid Until: Sun May 31 03:12:40 2026 Cert Hash: SHA256:50fab12dd6b28da0c7a5b1442cdcb6c39aa0401163f6a6b86efccd9e8824b7d1 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 15905 grep 'Connection received on ::1 ' server.err Connection received on ::1 23111 grep 'Connection to ::1 .* succeeded!' client.err Connection to ::1 15905 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 Listening on localhost 38835 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 42268 Connection to localhost (127.0.0.1) 38835 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: Fri May 1 03:12:42 2026 Valid Until: Sun May 31 03:12:42 2026 Cert Hash: SHA256:015c27af9516c15e7cd9547b4e385d7b347d04e7b6f2b56826a722ffbba3e8e2 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 38835 grep 'Connection received on localhost ' server.err Connection received on localhost 42268 grep 'Connection to localhost .* succeeded!' client.err Connection to localhost (127.0.0.1) 38835 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 Listening on localhost 38373 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 8049 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 38373 grep 'Connection received on localhost ' server.err Connection received on localhost 8049 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 19954 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 to 127.0.0.1Connection received on 127.0.0.1 17558 19954 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: Fri May 1 03:12:42 2026 Valid Until: Sun May 31 03:12:42 2026 Cert Hash: SHA256:015c27af9516c15e7cd9547b4e385d7b347d04e7b6f2b56826a722ffbba3e8e2 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 19954 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 17558 grep 'Connection to 127.0.0.1 .* succeeded!' client.err Connection to 127.0.0.1 19954 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 23940 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 13673 netcat-regress: tls read failed (read failed: error:02FFF036:system library:func(4095):Connection reset by peer) 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 23940 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 13673 grep 'Connection to 127.0.0.1 .* succeeded!' client.err Connection to 127.0.0.1 23940 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 39140 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 to localhost (127.0.0.1) 39140 port [tcp/*] succeeded! Connection received on localhost 10929 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: Fri May 1 03:12:42 2026 Valid Until: Sun May 31 03:12:42 2026 Cert Hash: SHA256:015c27af9516c15e7cd9547b4e385d7b347d04e7b6f2b56826a722ffbba3e8e2 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 39140 grep 'Connection received on localhost ' server.err Connection received on localhost 10929 grep 'Connection to localhost .* succeeded!' client.err Connection to localhost (127.0.0.1) 39140 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: SHA256:015c27af9516c15e7cd9547b4e385d7b347d04e7b6f2b56826a722ffbba3e8e2 ==== 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 20802 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 30236 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 20802 grep 'Connection received on localhost ' server.err Connection received on localhost 30236 grep 'Connection to localhost .* succeeded!' client.err Connection to localhost (127.0.0.1) 20802 port [tcp/*] succeeded! grep 'peer certificate is not SHA256:' client.err netcat-regress: peer certificate is not SHA256:9a33f40ef2a7b702a342a55266c0d1981c8258994201163e8382b1cb4969eb3f ! 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 46218 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 38519 Connection to localhost (127.0.0.1) 46218 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 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: Fri May 1 03:12:42 2026 Valid Until: Sun May 31 03:12:42 2026 Valid From: Fri May 1 03:12:48 2026 Cert Hash: SHA256:015c27af9516c15e7cd9547b4e385d7b347d04e7b6f2b56826a722ffbba3e8e2 Valid Until: Sun May 31 03:12:48 2026 Cert Hash: SHA256:d9fde504ff8c8f5b24e1f1331e5efe0f8b2d9df31e39c3f9248400c274dfab93 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 46218 grep 'Connection received on localhost ' server.err Connection received on localhost 38519 grep 'Connection to localhost .* succeeded!' client.err Connection to localhost (127.0.0.1) 46218 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 19022 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 7171 Connection to localhost (127.0.0.1) 19022 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: Fri May 1 03:12:42 2026 Valid Until: Sun May 31 03:12:42 2026 Cert Hash: SHA256:015c27af9516c15e7cd9547b4e385d7b347d04e7b6f2b56826a722ffbba3e8e2 netcat-regress: grep 'Listening on localhost ' server.err No client certificate provided Listening on localhost 19022 grep 'Connection received on localhost ' server.err Connection received on localhost 7171 grep 'Connection to localhost .* succeeded!' client.err Connection to localhost (127.0.0.1) 19022 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 2641 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 13391 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 2641 grep 'Connection received on localhost ' server.err Connection received on localhost 13391 grep 'Connection to localhost .* succeeded!' client.err Connection to localhost (127.0.0.1) 2641 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 39423 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 5729 Connection to localhost (127.0.0.1) 39423 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: Fri May 1 03:12:42 2026 Valid Until: Sun May 31 03:12:42 2026 Cert Hash: SHA256:015c27af9516c15e7cd9547b4e385d7b347d04e7b6f2b56826a722ffbba3e8e2 let timeout=`date +%s`+5; until grep -q 'greeting' client.out && grep -q 'command' server.out; do [[ `date +%s` -lt $timeout ]] || { echo timeout; exit 1; }; done TLS handshake negotiated TLSv1.3/TLS_AES_256_GCM_SHA384 with host 127.0.0.1 Peer name: localhost Subject: /L=OpenBSD/O=netcat-regress/OU=client/CN=localhost Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root Valid From: Fri May 1 03:12:48 2026 Valid Until: Sun May 31 03:12:48 2026 Cert Hash: SHA256:d9fde504ff8c8f5b24e1f1331e5efe0f8b2d9df31e39c3f9248400c274dfab93 grep '^greeting$' client.out greeting grep '^command$' server.out command grep 'Listening on 127.0.0.1 ' server.err Listening on 127.0.0.1 39423 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 5729 grep 'Connection to localhost .* succeeded!' client.err Connection to localhost (127.0.0.1) 39423 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 26459 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 4115 Connection to localhost (127.0.0.1) 26459 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=client/CN=localhost Issuer: /L=OpenBSD/O=netcat-regress/OU=ca/CN=root Valid From: Fri May 1 03:12:48 2026 Valid Until: Sun May 31 03:12:48 2026 Cert Hash: SHA256:d9fde504ff8c8f5b24e1f1331e5efe0f8b2d9df31e39c3f9248400c274dfab93 netcat-regress: name (127.0.0.1) not found in client cert 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: Fri May 1 03:12:42 2026 Valid Until: Sun May 31 03:12:42 2026 Cert Hash: SHA256:015c27af9516c15e7cd9547b4e385d7b347d04e7b6f2b56826a722ffbba3e8e2 grep 'Listening on 127.0.0.1 ' server.err Listening on 127.0.0.1 26459 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 4115 grep 'Connection to localhost .* succeeded!' client.err Connection to localhost (127.0.0.1) 26459 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 26839 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 43839 Connection to localhost (127.0.0.1) 26839 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: Fri May 1 03:12:48 2026 Valid Until: Sun May 31 03:12:48 2026 Cert Hash: SHA256:d9fde504ff8c8f5b24e1f1331e5efe0f8b2d9df31e39c3f9248400c274dfab93 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: Fri May 1 03:12:42 2026 Valid Until: Sun May 31 03:12:42 2026 Cert Hash: SHA256:015c27af9516c15e7cd9547b4e385d7b347d04e7b6f2b56826a722ffbba3e8e2 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 26839 grep 'Connection received on localhost ' server.err Connection received on localhost 43839 grep 'Connection to localhost .* succeeded!' client.err Connection to localhost (127.0.0.1) 26839 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 11574 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 received on localhost 2473 Connection to localhost (127.0.0.1) 11574 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: Fri May 1 03:12:42 2026 Valid Until: Sun May 31 03:12:42 2026 Cert Hash: SHA256:015c27af9516c15e7cd9547b4e385d7b347d04e7b6f2b56826a722ffbba3e8e2 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: Fri May 1 03:12:48 2026 Valid Until: Sun May 31 03:12:48 2026 Cert Hash: SHA256:d9fde504ff8c8f5b24e1f1331e5efe0f8b2d9df31e39c3f9248400c274dfab93 netcat-regress: peer certificate is not SHA256:9a33f40ef2a7b702a342a55266c0d1981c8258994201163e8382b1cb4969eb3f nc localhost `cat server.port` 2>/dev/null || : grep 'Listening on localhost ' server.err Listening on localhost 11574 grep 'Connection received on localhost ' server.err Connection received on localhost 2473 grep 'Connection to localhost .* succeeded!' client.err Connection to localhost (127.0.0.1) 11574 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 SHA256:9a33f40ef2a7b702a342a55266c0d1981c8258994201163e8382b1cb4969eb3f ! 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 7731 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 12945 Connection to localhost (127.0.0.1) 7731 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: Fri May 1 03:12:42 2026 Valid Until: Sun May 31 03:12:42 2026 Cert Hash: SHA256:015c27af9516c15e7cd9547b4e385d7b347d04e7b6f2b56826a722ffbba3e8e2 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 7731 grep 'Connection received on localhost ' server.err Connection received on localhost 12945 grep 'Connection to localhost .* succeeded!' client.err Connection to localhost (127.0.0.1) 7731 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 24904 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 47987 Connection to 127.0.0.1 24904 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: Fri May 1 03:12:39 2026 Valid Until: Sun May 31 03:12:39 2026 Cert Hash: SHA256:1d8783fd4a4990650b49cc2a7c78a2042c280ab2ef9f30f7981f14e86d2d933e 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 24904 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 47987 # 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 24904 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 24904 ==== 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 33254 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 26861 Connection to 127.0.0.1 33254 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: Fri May 1 03:12:39 2026 Valid Until: Sun May 31 03:12:39 2026 Cert Hash: SHA256:1d8783fd4a4990650b49cc2a7c78a2042c280ab2ef9f30f7981f14e86d2d933e 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$' server.out command grep 'Listening on 127.0.0.1 ' server.err Listening on 127.0.0.1 33254 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 26861 grep 'Connection to 127.0.0.1 .* succeeded!' client.err Connection to 127.0.0.1 33254 port [tcp/*] succeeded! grep 'Subject: .*/OU=server/CN=127.0.0.1' client.err Subject: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1 grep 'Issuer: .*/OU=server/CN=127.0.0.1' client.err Issuer: /L=OpenBSD/O=netcat-regress/OU=server/CN=127.0.0.1 # kill client and reconnect with a new one :> server.err pkill -l -f "^./netcat-regress .* 127.0.0.1 `cat server.port`$" 65438 netcat-regress rm -f client.{out,err} Listening on 127.0.0.1 25783 :> 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 to 127.0.0.1 25783 port [tcp/*] succeeded! Connection received on 127.0.0.1 6237 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: Fri May 1 03:12:39 2026 Valid Until: Sun May 31 03:12:39 2026 Cert Hash: SHA256:1d8783fd4a4990650b49cc2a7c78a2042c280ab2ef9f30f7981f14e86d2d933e # 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 25783 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 Listening on 127.0.0.1 17753 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 27663 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 $timeout ]] || { echo timeout; exit 1; }; done Connection received on 127.0.0.1 44695 grep '^greeting$' client.out greeting grep '^command$' server.out command grep 'Bound on 127.0.0.1 ' server.err Bound on 127.0.0.1 27663 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 44695 ==== 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 26845 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 $timeout ]] || { echo timeout; exit 1; }; done Connection received on ::1 41982 grep '^greeting$' client.out greeting grep '^command$' server.out command grep 'Bound on ::1 ' server.err Bound on ::1 26845 grep 'Connection received on ::1 ' server.err Connection received on ::1 41982 ==== 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 31954 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 $timeout ]] || { echo timeout; exit 1; }; done Connection received on 127.0.0.1 28852 grep '^greeting$' client.out greeting grep '^command$' server.out command grep 'Bound on 127.0.0.1 ' server.err Bound on 127.0.0.1 31954 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 28852 ==== 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 2517 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 $timeout ]] || { echo timeout; exit 1; }; done Connection received on localhost 27457 grep '^greeting$' client.out greeting grep '^command$' server.out command grep 'Bound on localhost ' server.err Bound on localhost 2517 grep 'Connection received on localhost ' server.err Connection received on localhost 27457 ==== 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 21896 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 $timeout ]] || { echo timeout; exit 1; }; done Connection received on localhost 43032 grep '^greeting$' client.out greeting grep '^command$' server.out command grep 'Bound on localhost ' server.err Bound on localhost 21896 grep 'Connection received on localhost ' server.err Connection received on localhost 43032 ==== 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 4506 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 4506 # 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`$" 5121 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 21320 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 $timeout ]] || { echo timeout; exit 1; }; done Connection received on 127.0.0.1 19217 grep '^greeting$' client.out greeting grep '^command$' server.out command grep 'Bound on 127.0.0.1 ' server.err Bound on 127.0.0.1 21320 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 19217 # 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 21320 ==== 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 $timeout ]] || { echo timeout; exit 1; }; done Bound on server.sock Listening on server.sock # connect and close immediately, check if socket is listening ./netcat-regress -N -U -v server.sock client.out 2>client.err Connection received on server.sock # XXX message Bound and Listening is redundant grep 'Bound on server.sock$' 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 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 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$" 87324 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.yZZn6T3Ffa 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.Kacrp9u7yr 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.g3pILR8hc5 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$' server.err Bound on server.sock # client does not connect ! grep 'Connection received on ' server.err # XXX message succeeded is missing ! grep 'Connection to server.sock .* succeeded!' client.err # kill client and reconnect with a new one :> server.err pkill -l -f "^./netcat-regress .* -v server.sock$" 39614 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.3QLNGOtZgD 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 34761 ./client-tcp -r greeting -s command 127.0.0.1 `cat server.port` >client.port peer: 127.0.0.1 10021 sock: 127.0.0.1 10021 peer: 127.0.0.1 34761 >>> 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 47815 ./client-tcp -r greeting -E -s command -N 127.0.0.1 `cat server.port` >client.port peer: 127.0.0.1 36840 >>> greeting sock: 127.0.0.1 36840 peer: 127.0.0.1 47815 <<< 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 43206 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 Connection received on 127.0.0.1 14369 sock: 127.0.0.1 14369 peer: 127.0.0.1 43206 <<< 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 43206 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 14369 ==== 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 48429 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 8967 sock: 127.0.0.1 8967 peer: 127.0.0.1 48429 <<< 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 48429 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 8967 ==== 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 4037 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 47787 sock: 127.0.0.1 47787 peer: 127.0.0.1 4037 >>> 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 4037 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 47787 ==== 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 18365 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 37633 sock: 127.0.0.1 37633 peer: 127.0.0.1 18365 <<< 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 18365 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 37633 ==== 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 38410 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 38525 sock: 127.0.0.1 38525 peer: 127.0.0.1 38410 >>> 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 38410 grep 'Connection received on 127.0.0.1 ' server.err Connection received on 127.0.0.1 38525 ==== 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 8272 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 39646 >>> greeting Connection to 127.0.0.1 8272 port [tcp/*] succeeded! <<< 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 8272 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 13423 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 13423 port [tcp/*] succeeded! peer: 127.0.0.1 8521 >>> 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 13423 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 4875 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 8971 Connection to 127.0.0.1 4875 port [tcp/*] succeeded! <<< command >>> 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 4875 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 47505 # 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 47505 port [tcp/*] succeeded! peer: 127.0.0.1 37294 >>> 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 47505 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 40145 # 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 peer: 127.0.0.1 26907 Connection to 127.0.0.1 40145 port [tcp/*] succeeded! <<< 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 40145 port [tcp/*] succeeded! ==== cleanup ==== pkill netcat-regress || true