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edoardoColi
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@@ -0,0 +1,7 @@
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+10
-10
@@ -90,7 +90,7 @@ function handle_sigint()
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rm -f "$_FILE2_TMP"
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rm -f "$_FILE3_TMP"
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rm -f "$lock_print"
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kill -9 $_PROCESS_ID #forcefully terminate the process, and any subprocesses or child processes, with the ID using the SIGKILL signal (sometimes it's not enough, why?)
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kill -9 $_PROCESS_ID #forcefully terminate the process, and any subprocesses or child processes, with the ID using the SIGKILL signal. (sometimes it's not enough, why?)
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exit 0
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}
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@@ -129,24 +129,24 @@ function filtering_away()
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filter="($scope) && (wlan) $filterSSID" #save the complete filter which wanna use to split the data.
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rm -f $_FILE_TMP $_FILE2_TMP #just as a precaution.
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_TMP=$(mktemp -d) #creates a unique temporary directory in /tmp/ folder.
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mkfifo $_TMP/pipe1 $_TMP/pipe2 $_TMP/pipe3 $_TMP/pipe4 #creates named pipes inside a temporary directory created before
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mkfifo $_TMP/pipe1 $_TMP/pipe2 $_TMP/pipe3 $_TMP/pipe4 #creates named pipes inside a temporary directory created before.
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verbose_msg "Counting packets in $_FILE_REF"
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verbose_msg "Counting packets with field 'wlan' in $_FILE_REF"
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if ! [[ $_SSID_REF == '' ]]; then
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verbose_msg "Counting packets with field 'wlan.ssid == $_SSID_REF' in $_FILE_REF"
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fi
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verbose_msg "Counting packets with filter '$filter' in $_FILE_REF"
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(tshark -r $_FILE_REF -T fields -e frame.number -c $_MAX_TO | wc -l >$_TMP/pipe1) &
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(tshark -r $_FILE_REF -Y "wlan" -T fields -e frame.number -c $_MAX_TO | wc -l >$_TMP/pipe2) &
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(tshark -r $_FILE_REF -T fields -e frame.number -c $_MAX_TO | wc -l >$_TMP/pipe1) & #the symbol '&' runs the command in the background, allowing other commands to be run in parallel.
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(tshark -r $_FILE_REF -Y "wlan" -T fields -e frame.number -c $_MAX_TO | wc -l >$_TMP/pipe2) & #the symbol '&' runs the command in the background, allowing other commands to be run in parallel.
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if ! [[ $_SSID_REF == '' ]]; then
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(tshark -r $_FILE_REF -Y "wlan.ssid == $_SSID_REF" -T fields -e frame.number -c $_MAX_TO | wc -l >$_TMP/pipe3) &
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(tshark -r $_FILE_REF -Y "wlan.ssid == $_SSID_REF" -T fields -e frame.number -c $_MAX_TO | wc -l >$_TMP/pipe3) & #the symbol '&' runs the command in the background, allowing other commands to be run in parallel.
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else
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(echo "(NaN)" >$_TMP/pipe3) &
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fi
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if [[ $_UNIQ_FLAG == 'true' ]]; then
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(tshark -r $_FILE_REF -Y "$filter" -T fields -e wlan.ta -c $_MAX_TO | tr '[:lower:]' '[:upper:]' | sort | uniq | tee >(wc -l > $_TMP/pipe4) >"$_FILE2_TMP") &
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(tshark -r $_FILE_REF -Y "$filter" -T fields -e wlan.ta -c $_MAX_TO | tr '[:lower:]' '[:upper:]' | sort | uniq | tee >(wc -l > $_TMP/pipe4) >"$_FILE2_TMP") & #the symbol '&' runs the command in the background, allowing other commands to be run in parallel.
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else
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(tshark -r $_FILE_REF -Y "$filter" -T fields -e wlan.ta -e wlan.fc.type -c $_MAX_TO | tr '[:lower:]' '[:upper:]' | tee >(wc -l > $_TMP/pipe4) >"$_FILE2_TMP") &
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(tshark -r $_FILE_REF -Y "$filter" -T fields -e wlan.ta -e wlan.fc.type -c $_MAX_TO | tr '[:lower:]' '[:upper:]' | tee >(wc -l > $_TMP/pipe4) >"$_FILE2_TMP") & #the symbol '&' runs the command in the background, allowing other commands to be run in parallel.
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fi
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while read line; do
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verbose_msg " '$line'"
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@@ -155,7 +155,7 @@ function filtering_away()
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_PCKS_SSID_CNTR=$(echo $line | cut -d ' ' -f 3)
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_SCOPE_ALL_CNTR=$(echo $line | cut -d ' ' -f 4)
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done < <(paste -d ' ' $_TMP/pipe1 $_TMP/pipe2 $_TMP/pipe3 $_TMP/pipe4) #the 'paste' command merges the lines of both named pipes and separates them with a space. the '< <' operator to redirect the merged output as input to the while loop.
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rm -rf $_TMP #remove the temporary directory and all its contents recursively (-r) and without prompting (-f)
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rm -rf $_TMP #remove the temporary directory and all its contents recursively (-r) and without prompting (-f).
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verbose_msg "=> $_PCKS_CNTR for no filter"
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verbose_msg "=> $_PCKS_WLAN_CNTR for filter 'wlan'"
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if ! [[ $_SSID_REF == '' ]]; then
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@@ -252,7 +252,7 @@ function print_results()
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fi
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# rm $_FILE_TMP
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if [ $(wc -l < $_FILE2_TMP) -gt $N ] && [[ $_UNIQ_FLAG == 'false' ]]; then
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echo && echo -e "${LOOKGOOD}$_FILE2_TMP${DEFAULT}" && head -n $N "$_FILE2_TMP" && echo "..." && echo "[MAC Address] [Frame Control Type:]" && echo " [0-Management Frame, 1-Control Frame, 2-Data Frame, 3-Extension Frame, (4+)-PV1 Reserved]"
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echo && echo -e "${LOOKGOOD}$_FILE2_TMP${DEFAULT}" && echo "[MAC Address] [Frame Control Type:]" && echo " [0-Management Frame, 1-Control Frame, 2-Data Frame, 3-Extension Frame, (4+)-PV1 Reserved]" && head -n $N "$_FILE2_TMP" && echo "..."
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elif [ $(wc -l < $_FILE2_TMP) -gt $N ]; then
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echo && echo -e "${LOOKGOOD}$_FILE2_TMP${DEFAULT}" && head -n $N "$_FILE2_TMP" && echo "..."
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elif [ $(wc -l < $_FILE2_TMP) -gt 0 ]; then
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@@ -294,7 +294,7 @@ if ! [ -t 0 ]; then #checks if the descriptor is opened with a redirection, reg
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trap handle_sigint SIGINT #set up a trap for SIGINT
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lock_print=$(mktemp) #creates a unique temporary file in /tmp/ folder.
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_FILE_REF="$_FILE3_TMP"
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sleep 2 #waiting to have something to analyze
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sleep 2 #waiting to have something to analyze.
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echo -ne "\033[2J\033[H" #the "\033[2J" sequence clear the terminal screen, the "\033[H" sequence moves the cursor to the top left corner of the screen.
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while true
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do
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