sharness: eliminate netcat

Differences between bsd-netcat and gnu-netcat make it horrible tool

License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protonmail.ch>

test/sharness/t0060-daemon.sh

@@ -82,13 +82,13 @@ test_expect_success "ipfs help output looks good" '
 '
 
 # netcat (nc) is needed for the following test
-test_expect_success "nc is available" '
-  type nc >/dev/null
+test_expect_success "socat is available" '
+  type socat >/dev/null
 '
 
 # check transport is encrypted
 test_expect_success "transport should be encrypted" '
-  nc -w 1 localhost $SWARM_PORT > swarmnc < ../t0060-data/mss-ls &&
+  socat - tcp:localhost:$SWARM_PORT,connect-timeout=1 > swarmnc < ../t0060-data/mss-ls &&
   grep -q "/secio" swarmnc &&
   test_must_fail grep -q "/plaintext/1.0.0" swarmnc ||
   test_fsh cat swarmnc

test/sharness/t0061-daemon-opts.sh

@@ -18,8 +18,8 @@ apiaddr=$API_ADDR
 
 # Odd. this fails here, but the inverse works on t0060-daemon.
 test_expect_success 'transport should be unencrypted' '
-  nc -w 1 localhost $SWARM_PORT > swarmnc < ../t0060-data/mss-ls &&
-  test_must_fail grep -q "/secio" swarmnc &&
+  socat - tcp:localhost:$SWARM_PORT,connect-timeout=1 > swarmnc < ../t0060-data/mss-ls &&
+  grep -q -v "/secio" swarmnc &&
   grep -q "/plaintext" swarmnc ||
   test_fsh cat swarmnc
 '

test/sharness/t0184-http-proxy-over-p2p.sh

@@ -26,17 +26,14 @@ function show_logs() {
 
 function start_http_server() {
     REMOTE_SERVER_LOG="server.log"
-    rm -f $REMOTE_SERVER_LOG server_stdin
+    rm -f $REMOTE_SERVER_LOG
 
-    mkfifo server_stdin
-    nc -k -l 127.0.0.1 $WEB_SERVE_PORT 2>&1 > $REMOTE_SERVER_LOG < server_stdin &
+    touch response
+    socat tcp-listen:$WEB_SERVE_PORT,fork,bind=127.0.0.1,reuseaddr 'SYSTEM:cat response'!!CREATE:$REMOTE_SERVER_LOG &
     REMOTE_SERVER_PID=$!
-    exec 7>server_stdin
-    rm server_stdin
 
-    while ! nc -z 127.0.0.1 $WEB_SERVE_PORT; do
-        go-sleep 100ms
-    done
+    socat /dev/null tcp:127.0.01:$WEB_SERVE_PORT,retry=10
+    return $?
 }
 
 function teardown_remote_server() {
@@ -49,7 +46,7 @@ function serve_content() {
     local body=$1
     local status_code=${2:-"200 OK"}
     local length=$((1 + ${#body}))
-    echo -e "HTTP/1.1 $status_code\nContent-length: $length\n\n$body" >&7
+    echo -e "HTTP/1.1 $status_code\nContent-length: $length\n\n$body" > response
 }
 
 function curl_check_response_code() {
@@ -82,6 +79,7 @@ function curl_send_proxy_request_and_check_response() {
     if [[ "$STATUS_CODE" -ne "$expected_status_code" ]];
     then
         echo -e "Found status-code "$STATUS_CODE", expected "$expected_status_code
+        show_logs
         return 1
     fi
 

test/sharness/t0235-cli-request.sh

@@ -13,14 +13,12 @@ test_init_ipfs
 test_expect_success "start nc" '
   rm -f nc_out nc_outp nc_inp && mkfifo nc_inp nc_outp
 
-  nc -k -l 127.0.0.1 5005 <nc_inp >nc_outp &
+  socat PIPE:nc_inp!!PIPE:nc_outp tcp-listen:5005,fork,max-children=1,bind=127.0.0.1 &
   NCPID=$!
 
   exec 6>nc_inp 7<nc_outp
 
-  while ! nc -z 127.0.0.1 5005; do
-    go-sleep 100ms
-  done
+  socat /dev/null tcp:127.0.01:5005,retry=10
 '
 
 test_expect_success "can make http request against nc server" '

test/sharness/t0236-cli-api-dns-resolve.sh

@@ -13,14 +13,12 @@ test_init_ipfs
 test_expect_success "start nc" '
   rm -f nc_out nc_outp nc_inp && mkfifo nc_inp nc_outp
 
-  nc -k -l 127.0.0.1 5006 <nc_inp >nc_outp &
+  socat PIPE:nc_inp!!PIPE:nc_outp tcp-listen:5006,fork,max-children=1,bind=127.0.0.1 &
   NCPID=$!
 
   exec 6>nc_inp 7<nc_outp
 
-  while ! nc -z 127.0.0.1 5006; do
-    go-sleep 100ms
-  done
+  socat /dev/null tcp:127.0.01:5006,retry=10
 '
 
 test_expect_success "can make http request against dns resolved nc server" '

test/sharness/t0301-docker-migrate.sh

@@ -39,7 +39,7 @@ test_expect_success "setup http response" '
 '
 
 pretend_server() {
-  cat vers_resp | nc -l -i 1 -p 17233
+    socat tcp-listen:17233,fork,bind=127.0.0.1,reuseaddr 'SYSTEM:cat cers_resp'!!STDERR &
 }
 
 test_expect_success "startup fake dists server" '

test/sharness/t0600-issues-and-regressions-online.sh

@@ -47,8 +47,8 @@ test_expect_success "pin add api looks right - #3753" '
 '
 
 test_expect_success "no daemon crash on improper file argument - #4003" '
-  FNC=$(echo $API_ADDR | awk -F: '\''{ printf "%s %s", $1, $2 }'\'') &&
-  printf "POST /api/v0/add?pin=true HTTP/1.1\r\nHost: $API_ADDR\r\nContent-Type: multipart/form-data; boundary=Pyw9xQLtiLPE6XcI\r\nContent-Length: 22\r\n\r\n\r\n--Pyw9xQLtiLPE6XcI\r\n" | nc -v $FNC | grep -m1 "500 Internal Server Error"
+  FNC=$(echo $API_ADDR | awk -F: '\''{ printf "%s:%s", $1, $2 }'\'') &&
+  printf "POST /api/v0/add?pin=true HTTP/1.1\r\nHost: $API_ADDR\r\nContent-Type: multipart/form-data; boundary=Pyw9xQLtiLPE6XcI\r\nContent-Length: 22\r\n\r\n\r\n--Pyw9xQLtiLPE6XcI\r\n" | socat STDIO tcp-connect:$FNC | grep -m1 "500 Internal Server Error"
 '
 
 test_kill_ipfs_daemon