f l

linPEAS/builder/linpeas_parts/5_network_information/11_Internet_access.sh

@@ -19,20 +19,20 @@ print_2title "Internet Access?"
 TIMEOUT_INTERNET_SECONDS=5
 
 if [ "$SUPERFAST" ]; then
-  TIMEOUT_INTERNET_SECONDS=2
+  TIMEOUT_INTERNET_SECONDS=2.5
 fi
 
 
 # Run all checks in background
-check_tcp_80 2>/dev/null & pid1=$!
-check_tcp_443 2>/dev/null & pid2=$!
-check_icmp 2>/dev/null & pid3=$!
-check_dns 2>/dev/null & pid4=$!
+check_tcp_80 "$TIMEOUT_INTERNET_SECONDS" 2>/dev/null & pid1=$!
+check_tcp_443 "$TIMEOUT_INTERNET_SECONDS" 2>/dev/null & pid2=$!
+check_icmp "$TIMEOUT_INTERNET_SECONDS" 2>/dev/null & pid3=$!
+check_dns "$TIMEOUT_INTERNET_SECONDS" 2>/dev/null & pid4=$!
 
 # Kill all after 10 seconds
-(sleep $TIMEOUT_INTERNET_SECONDS && kill -9 $pid1 $pid2 $pid3 $pid4 2>/dev/null) &
+(sleep $(( $TIMEOUT_INTERNET_SECONDS + 1 )) && kill -9 $pid1 $pid2 $pid3 $pid4 2>/dev/null) &
 
-check_tcp_443_bin 2>/dev/null
+check_tcp_443_bin $TIMEOUT_INTERNET_SECONDS 2>/dev/null
 tcp443_bin_status=$?
 
 wait $pid1 $pid2 $pid3 $pid4 2>/dev/null

linPEAS/builder/linpeas_parts/functions/check_dns.sh

@@ -8,25 +8,19 @@
 # Functions Used:
 # Global Variables:
 # Initial Functions:
-# Generated Global Variables: $pid, $pids
+# Generated Global Variables: $TIMEOUT_INTERNET_SECONDS_DNS, $local_pid
 # Fat linpeas: 0
 # Small linpeas: 1
 
-
 check_dns(){
+  local TIMEOUT_INTERNET_SECONDS_DNS=$1
   if ! [ -f "/bin/bash" ]; then
     echo "  /bin/bash not found"
     return
   fi
 
-  /bin/bash -c '
-      for ip in 1.1.1.1 8.8.8.8 ; do
-        (( echo cfc9 0100 0001 0000 0000 0000 0a64 7563 6b64 7563 6b67 6f03 636f 6d00 0001 0001 | xxd -p -r >&3; dd bs=9000 count=1 <&3 2>/dev/null | xxd ) 3>/dev/udp/$ip/53 && echo "DNS available" && exit 0) &
-        pids+=($!)
-      done
-      for pid in ${pids[@]}; do
-        wait $pid && exit 0
-      done
-      echo "DNS not available"
-    ' 2>/dev/null | grep "available" || echo "DNS not available"
+  # example.com
+  (bash -c '((( echo cfc9 0100 0001 0000 0000 0000 0a64 7563 6b64 7563 6b67 6f03 636f 6d00 0001 0001 | xxd -p -r >&3; dd bs=9000 count=1 <&3 2>/dev/null | xxd ) 3>/dev/udp/1.1.1.1/53 && echo "DNS accessible") | grep "accessible" && exit 0 ) 2>/dev/null || echo "DNS is not accessible"') & local_pid=$!
+
+  sleep $TIMEOUT_INTERNET_SECONDS_DNS && kill -9 $local_pid 2>/dev/null && echo "DNS is not accessible"
 }

linPEAS/builder/linpeas_parts/functions/check_icmp.sh

@@ -8,11 +8,20 @@
 # Functions Used:
 # Global Variables:
 # Initial Functions:
-# Generated Global Variables:
+# Generated Global Variables: $TIMEOUT_INTERNET_SECONDS_ICMP, $local_pid
 # Fat linpeas: 0
 # Small linpeas: 1
 
 
 check_icmp(){
-  (ping -c 1 1.1.1.1 | grep -E "1 received|1 packets received" && echo "Ping is available" || echo "Ping is not available" 2>/dev/null) | grep -i "available"
+  local TIMEOUT_INTERNET_SECONDS_ICMP=$1
+  if ! [ "$(command -v ping 2>/dev/null || echo -n '')" ]; then
+    echo "  ping not found"
+    return
+  fi
+
+  # example.com
+  ((ping -c 1 1.1.1.1 2>/dev/null | grep -Ei "1 received|1 packets received" && echo "ICMP is accessible" || echo "ICMP is not accessible" 2>/dev/null) | grep "accessible" && exit 0 ) 2>/dev/null || echo "ICMP is not accessible" & local_pid=$!
+
+  sleep $TIMEOUT_INTERNET_SECONDS_ICMP && kill -9 $local_pid 2>/dev/null && echo "ICMP is not accessible"
 }

linPEAS/builder/linpeas_parts/functions/check_tcp_443.sh

@@ -8,30 +8,21 @@
 # Functions Used:
 # Global Variables:
 # Initial Functions:
-# Generated Global Variables: $pid, $pids
+# Generated Global Variables: $local_pid, $TIMEOUT_INTERNET_SECONDS_443
 # Fat linpeas: 0
 # Small linpeas: 1
 
 
 
 check_tcp_443(){
+  local TIMEOUT_INTERNET_SECONDS_443=$1
   if ! [ -f "/bin/bash" ]; then
     echo "  /bin/bash not found"
     return
   fi
 
-  /bin/bash -c '
-      for ip in 1.1.1.1; do
-        (echo >/dev/tcp/$ip/443 && echo "Port 443 is accessible" && exit 0) &
-        pids+=($!)
-      done
-      for pid in ${pids[@]}; do
-        wait $pid && exit 0
-      done
-      echo "Port 443 is not accessible"
-    ' 2>/dev/null | grep "accessible" || echo "Port 443 is not accessible"
+  # example.com
+  (bash -c '(echo >/dev/tcp/104.18.74.230/443 2>/dev/null && echo "Port 443 is accessible" && exit 0) 2>/dev/null || echo "Port 443 is not accessible"') & local_pid=$!
+
+  sleep $TIMEOUT_INTERNET_SECONDS_443 && kill -9 $local_pid 2>/dev/null && echo "Port 443 is not accessible"
 }
-
-
-
-

linPEAS/builder/linpeas_parts/functions/check_tcp_443_bin.sh

@@ -8,16 +8,17 @@
 # Functions Used:
 # Global Variables:
 # Initial Functions:
-# Generated Global Variables: $url_lambda
+# Generated Global Variables: $url_lambda, $TIMEOUT_INTERNET_SECONDS_443_BIN
 # Fat linpeas: 0
 # Small linpeas: 1
 
 
 check_tcp_443_bin () {
+  local TIMEOUT_INTERNET_SECONDS_443_BIN=$1
   local url_lambda="https://2e6ppt7izvuv66qmx2r3et2ufi0mxwqs.lambda-url.us-east-1.on.aws/"
 
   if command -v curl >/dev/null 2>&1; then
-    if curl -s --connect-timeout 5 "$url_lambda" \
+    if curl -s --connect-timeout $TIMEOUT_INTERNET_SECONDS_443_BIN "$url_lambda" \
          -H "User-Agent: linpeas" -H "Content-Type: application/json" >/dev/null 2>&1
     then
       echo "Port 443 is accessible with curl"
@@ -28,7 +29,7 @@ check_tcp_443_bin () {
     fi
 
   elif command -v wget >/dev/null 2>&1; then
-    if wget -q --timeout=5 -O - "$url_lambda" \
+    if wget -q --timeout=$TIMEOUT_INTERNET_SECONDS_443_BIN -O - "$url_lambda" \
          --header "User-Agent: linpeas" -H "Content-Type: application/json" >/dev/null 2>&1
     then
       echo "Port 443 is accessible with wget"

linPEAS/builder/linpeas_parts/functions/check_tcp_80.sh

@@ -8,25 +8,21 @@
 # Functions Used:
 # Global Variables:
 # Initial Functions:
-# Generated Global Variables: $pid, $pids
+# Generated Global Variables: $local_pid, $TIMEOUT_INTERNET_SECONDS_80
 # Fat linpeas: 0
 # Small linpeas: 1
 
 
+
 check_tcp_80(){
+  local TIMEOUT_INTERNET_SECONDS_80=$1
   if ! [ -f "/bin/bash" ]; then
     echo "  /bin/bash not found"
     return
   fi
 
-  /bin/bash -c '
-      for ip in 1.1.1.1; do
-        (echo >/dev/tcp/$ip/80 && echo "Port 80 is accessible" && exit 0) &
-        pids+=($!)
-      done
-      for pid in ${pids[@]}; do
-        wait $pid && exit 0
-      done
-      echo "Port 80 is not accessible"
-    ' 2>/dev/null | grep "accessible"
+  # example.com
+  (bash -c '(echo >/dev/tcp/104.18.74.230/80 2>/dev/null && echo "Port 80 is accessible" && exit 0) 2>/dev/null || echo "Port 80 is not accessible"') & local_pid=$!
+
+  sleep $TIMEOUT_INTERNET_SECONDS_80 && kill -9 $local_pid 2>/dev/null && echo "Port 80 is not accessible"
 }