+ # Set VERSION file name
+ fileoutVersion="$(dateTimeShort)..VERSION";
+
+ # Gather VERSION data in contentVersion
+ contentVersion="scriptVersion=$scriptVersion";
+ #contentVersion="$contentVersion""\\n";
+ contentVersion="$contentVersion""\\n""scriptName=$scriptName";
+ contentVersion="$contentVersion""\\n""scriptURL=$scriptURL";
+ contentVersion="$contentVersion""\\n""ageVersion=$ageVersion";
+ contentVersion="$contentVersion""\\n""ageURL=$ageURL";
+ contentVersion="$contentVersion""\\n""date=$(date --iso-8601=seconds)";
+ contentVersion="$contentVersion""\\n""hostname=$scriptHostname";
+ ## Add list of recipient pubkeys
+ for pubkey in "${recPubKeysValid[@]}"; do
+ ((pubKeyIndex++))
+ contentVersion="$contentVersion""\\n""PUBKEY_$pubKeyIndex=$pubkey";
+ done
+ ## Process newline escapes
+ contentVersion="$(echo -e "$contentVersion")"
+
+ # Write contentVersion as file fileoutVersion and write-append to pathout_tar
+ appendArgTar "$contentVersion" "$fileoutVersion" "$pathout_tar" "$dir_tmp";
+} # bkgpslog: write version data to pathout_tar via appendArgTar()
+magicGatherWriteBuffer() {
+ # Desc: bkgpslog-specific meta function for writing data to dir_tmp then appending each file to pathout_tar
+ # Inputs: vars: pathout_tar, cmd_conv_{nmea,gpx,kml}, cmd_{compress,encrypt} dir_tmp,
+ # Inputs: vars: bufferTTL bufferTTL_STR scriptHostname cmd_compress_suffix cmd_encrypt_suffix
+ # Output: file: (pathout_tar)
+ # Depends: tar 1, date 8, sleep 8, yell(), try(), vbm(), appendArgTar(), checkMakeTar()
+ # Depends: magicWriteVersion(), appendFileTar()
+ local fn pathoutBuffer timeBufferStartLong timeBufferStart fileoutBasename
+ local fileout_nmea fileout_gpx fileout_kml pathout_nmea pathout_gpx pathout_kml pathout_tar
+
+ # Debug:Get function name
+ fn="${FUNCNAME[0]}";
+
+ vbm "DEBUG:STATUS:$fn:Started magicGatherWriteBuffer().";
+
+ # Create buffer file with unique name
+ pathoutBuffer="$dir_tmp/buffer$SECONDS" && vbm "pathoutBuffer:$pathoutBuffer";
+ # Fill buffer
+ timeout "$bufferTTL"s gpspipe -r -o "$pathoutBuffer" ;
+ timeBufferStartLong="$(date --date="$bufferTTL seconds ago" --iso-8601=seconds)" && vbm "timeBufferStartLong:$timeBufferStartLong";
+ timeBufferStart="$(dateTimeShort "$timeBufferStartLong" )" && vbm "timeBufferStart:$timeBufferStart"; # Note start time
+ # Determine file paths (time is start of buffer period)
+ fileoutBasename="$timeBufferStart""--""$bufferTTL_STR""..""$scriptHostname""_location" && vbm "STATUS:Set fileoutBasename to:$fileoutBasename";
+ ## Files saved to dir_tmp
+ fileout_nmea="$fileoutBasename".nmea"$cmd_compress_suffix""$cmd_encrypt_suffix" && vbm "STATUS:Set fileout_nmea to:$fileout_nmea";
+ fileout_gpx="$fileoutBasename".gpx"$cmd_compress_suffix""$cmd_encrypt_suffix" && vbm "STATUS:Set fileout_gpx to:$fileout_gpx";
+ fileout_kml="$fileoutBasename".kml"$cmd_compress_suffix""$cmd_encrypt_suffix" && vbm "STATUS:Set fileout_kml to:$fileout_kml";
+ pathout_nmea="$dir_tmp"/"$fileout_nmea" && vbm "STATUS:Set pathout_nmea to:$pathout_nmea";
+ pathout_gpx="$dir_tmp"/"$fileout_gpx" && vbm "STATUS:Set pathout_gpx to:$pathout_gpx";
+ pathout_kml="$dir_tmp"/"$fileout_kml" && vbm "STATUS:Set pathout_kml to:$pathout_kml";
+ ## Files saved to disk (dirOut)
+ ### one file per day (Ex: "20200731..hostname_location.[.gpx.gz].tar")
+ pathout_tar="$dirOut"/"$(dateShort "$(date --date="$bufferTTL seconds ago" --iso-8601=seconds)")".."$scriptHostname""_location""$cmd_compress_suffix""$cmd_encrypt_suffix".tar && \
+ vbm "STATUS:Set pathout_tar to:$pathout_tar";
+ # DEBUG: check vars
+ vbm "STATUS:fn :$fn";
+ vbm "STATUS:dir_tmp :$dir_tmp";
+ vbm "STATUS:pathout_tar :$pathout_tar";
+ vbm "STATUS:pathout_nmea :$pathout_nmea";
+ vbm "STATUS:pathout_gpx :$pathout_gpx";
+ vbm "STATUS:pathout_kml :$pathout_kml";
+ vbm "STATUS:bufferTTL :$bufferTTL";
+ vbm "STATUS:pathoutBuffer :$pathoutBuffer";
+ vbm "STATUS:timeBufferStart:$timeBufferStart";
+ vbm "fileoutBasename :$fileoutBasename";
+
+ # Validate pathout_tar as tar.
+ checkMakeTar "$pathout_tar";
+ ## Add VERSION file if checkMakeTar had to create a tar (exited 1) or replace one (exited 2)
+ vbm "exit status before magicWriteVersion:$?"
+ if [[ $? -eq 1 ]] || [[ $? -eq 2 ]]; then magicWriteVersion; fi
+
+ # Write bufferBash to pathout_tar
+ wait; # Wait to avoid collision with older magicWriteBuffer() instances (see https://www.tldp.org/LDP/abs/html/x9644.html )
+ appendFileTar "$pathoutBuffer" "$fileout_nmea" "$pathout_tar" "$dir_tmp" "$cmd_conv_nmea" "$cmd_compress" "$cmd_encrypt"; # Write NMEA data
+ appendFileTar "$pathoutBuffer" "$fileout_gpx" "$pathout_tar" "$dir_tmp" "$cmd_conv_gpx" "$cmd_compress" "$cmd_encrypt"; # Write GPX file
+ appendFileTar "$pathoutBuffer" "$fileout_kml" "$pathout_tar" "$dir_tmp" "$cmd_conv_kml" "$cmd_compress" "$cmd_encrypt"; # Write KML file
+
+ # Remove secured chunks from dir_tmp
+ rm "$pathoutBuffer" "$pathout_nmea" "$pathout_gpx" "$pathout_kml";
+ vbm "DEBUG:STATUS:$fn:Finished magicGatherWriteBuffer().";
+} # write buffer to disk
+magicParseRecipientDir() {
+ # Desc: Updates recPubKeysValid with pubkeys in dir specified by '-R' option ("recipient directory")
+ # Inputs: vars: optionRecDir, argRecDir, optionEncrypt
+ # arry: recPubKeysValid
+ # Outputs: arry: recPubKeysValid
+ # Depends: processArguments,
+ local recipientDir recFileLine updateRecipients
+ declare -a candRecPubKeysValid
+
+ # Check that '-e' and '-R' set
+ if [[ "$optionEncrypt" = "true" ]] && [[ "$optionRecDir" = "true" ]]; then
+ ### Check that argRecDir is a directory.
+ if [[ -d "$argRecDir" ]]; then
+ recipientDir="$argRecDir" && vbm "STATUS:Recipient watch directory detected:\"$recipientDir\"";
+ #### Initialize variable indicating outcome of pubkey review
+ unset updateRecipients
+ #### Add existing recipients
+ candRecPubKeysValid=("${recPubKeysValidStatic[@]}");
+ #### Parse files in recipientDir
+ for file in "$recipientDir"/*; do
+ ##### Read first line of each file
+ recFileLine="$(head -n1 "$file")" && vbm "STATUS:Checking if pubkey:\"$recFileLine\"";
+ ##### check if first line is a valid pubkey
+ if checkAgePubkey "$recFileLine" && \
+ ( validateInput "$recFileLine" "ssh_pubkey" || validateInput "$recFileLine" "age_pubkey"); then
+ ###### T: add candidate pubkey to candRecPubKeysValid
+ candRecPubKeysValid+=("$recFileLine") && vbm "STATUS:RecDir pubkey is valid pubkey:\"$recFileLine\"";
+ else
+ ###### F: throw warning;
+ yell "ERROR:Invalid recipient file detected. Not modifying recipient list."
+ updateRecipients="false";
+ fi;
+ done
+ #### Write updated recPubKeysValid array to recPubKeysValid if no failure detected
+ if ! [[ "$updateRecipients" = "false" ]]; then
+ recPubKeysValid=("${candRecPubKeysValid[@]}") && vbm "STATUS:Wrote candRecPubkeysValid to recPubKeysValid:\"${recPubKeysValid[*]}\"";
+ fi;
+ else
+ yell "ERROR:$0:Recipient directory $argRecDir does not exist. Exiting."; exit 1;
+ fi;
+ fi;
+ # Handle case if '-R' set but '-e' not set
+ if [[ ! "$optionEncrypt" = "true" ]] && [[ "$optionRecDir" = "true" ]]; then
+ yell "ERROR: \\'-R\\' is set but \\'-e\\' is not set."; fi;
+} # Update recPubKeysValid with argRecDir
+magicParseRecipientArgs() {
+ # Desc: Parses recipient arguments specified by '-r' option
+ # Input: vars: optionEncrypt, optionRecipients
+ # arry: argRecPubKeys from processArguments()
+ # Output: vars: cmd_encrypt, cmd_encrypt_suffix
+ # arry: recPubKeysValid, recPubKeysValidStatic
+ # Depends: checkapp(), checkAgePubkey(), validateInput(), processArguments()
+ local recipients
+
+ # Check if encryption option active.
+ if [[ "$optionEncrypt" = "true" ]] && [[ "$optionRecipients" = "true" ]]; then