SCRIPT_TIME_START=$(date +%Y%m%dT%H%M%S.%N);
PATH="$HOME/.local/bin:$PATH"; # Add "$(systemd-path user-binaries)" path in case apps saved there
SCRIPT_HOSTNAME=$(hostname); # Save hostname of system running this script.
-SCRIPT_VERSION="0.3.4"; # Define version of script.
+SCRIPT_VERSION="0.3.8"; # Define version of script.
SCRIPT_NAME="bkgpslog"; # Define basename of script file.
SCRIPT_URL="https://gitlab.com/baltakatei/ninfacyzga-01"; # Define wesite hosting this script.
AGE_VERSION="1.0.0-beta2"; # Define version of age (encryption program)
appendArgTar(){
# Desc: Writes first argument to temporary file with arguments as options, then appends file to tar
# Usage: appendArgTar "$(echo "Data to be written.")" [name of file to be inserted] [tar path] [temp dir] ([cmd1] [cmd2] [cmd3] [cmd4]...)
- # Version: 1.0.2
+ # Version: 1.0.3
# Input: arg1: data to be written
# arg2: file name of file to be inserted into tar
# arg3: tar archive path (must exist first)
# appendArgTar "$(cat /tmp/largefile2.gpg)" "largefile2" $HOME/archive.tar /tmp "gpg --decrypt" &
# appendArgTar "$(cat /tmp/largefile3.gpg)" "largefile3" $HOME/archive.tar /tmp "gpg --decrypt" &
# Depends: bash 5
+ # Ref/Attrib: Using 'eval' to construct command strings https://askubuntu.com/a/476533
# Save function name
local FN="${FUNCNAME[0]}";
if ! [ -z "$7" ]; then CMD3="$7"; else CMD3="tee /dev/null "; fi # command string 3
if ! [ -z "$8" ]; then CMD4="$8"; else CMD4="tee /dev/null "; fi # command string 4
+ # Input command
+ CMD0="echo \"\$1\""
+
# # Debug
+ # yell "DEBUG:STATUS:$FN:CMD0:$CMD0"
# yell "DEBUG:STATUS:$FN:CMD1:$CMD1"
# yell "DEBUG:STATUS:$FN:CMD2:$CMD2"
# yell "DEBUG:STATUS:$FN:CMD3:$CMD3"
# yell "DEBUG:STATUS:$FN:TMP_DIR:$TMP_DIR"
# Write to temporary working dir
- echo "$1" | $CMD1 | $CMD2 | $CMD3 | $CMD4 > "$TMP_DIR"/"$FILENAME";
+ eval "$CMD0"" | ""$CMD1"" | ""$CMD2"" | ""$CMD3"" | ""$CMD4" > "$TMP_DIR"/"$FILENAME";
# Append to tar
try tar --append --directory="$TMP_DIR" --file="$TAR_PATH" "$FILENAME";
appendFileTar(){
# Desc: Processes first file and then appends to tar
# Usage: appendFileTar [file path] [name of file to be inserted] [tar path] [temp dir] ([cmd1] [cmd2] [cmd3] [cmd4]...)
- # Version: 1.0.1
+ # Version: 1.0.2
# Input: arg1: path of file to be (processed and) written
# arg2: name to use for file inserted into tar
# arg3: tar archive path (must exist first)
if ! [ -z "$6" ]; then CMD2="$6"; else CMD2="tee /dev/null "; fi # command string 2
if ! [ -z "$7" ]; then CMD3="$7"; else CMD3="tee /dev/null "; fi # command string 3
if ! [ -z "$8" ]; then CMD4="$8"; else CMD4="tee /dev/null "; fi # command string 4
+
+ # Input command string
+ CMD0="cat \"\$1\""
+
# # Debug
+ # yell "DEBUG:STATUS:$FN:CMD0:$CMD0"
# yell "DEBUG:STATUS:$FN:CMD1:$CMD1"
# yell "DEBUG:STATUS:$FN:CMD2:$CMD2"
# yell "DEBUG:STATUS:$FN:CMD3:$CMD3"
# yell "DEBUG:STATUS:$FN:TMP_DIR:$TMP_DIR"
# Write to temporary working dir
- cat "$1" | $CMD1 | $CMD2 | $CMD3 | $CMD4 > "$TMP_DIR"/"$FILENAME";
+ eval "$CMD0 | $CMD1 | $CMD2 | $CMD3 | $CMD4" > "$TMP_DIR"/"$FILENAME";
# Append to tar
try tar --append --directory="$TMP_DIR" --file="$TAR_PATH" "$FILENAME";
#yell "DEBUG:STATUS:$FN:Finished appendFileTar()."
} # Append file to Tar archive
+validateInput() {
+ # Desc: Validates Input
+ # Usage: validateInput [str input] [str input type]
+ # Version: 0.2.1
+ # Input: arg1: string to validate
+ # arg2: string specifying input type (ex:"ssh_pubkey")
+ # Output: return code 0: if input string matched specified string type
+ # Depends: bash 5, yell
+
+ # Save function name
+ local FN="${FUNCNAME[0]}";
+
+ # Process arguments
+ argInput="$1";
+ argType="$2";
+ if [[ $# -gt 2 ]]; then yell "ERROR:$0:$FN:Too many arguments."; exit 1; fi;
+
+ # Check for blank
+ if [[ -z "$argInput" ]]; then return 1; fi
+
+ # Define input types
+ ## ssh_pubkey
+ ### Check for alnum/dash base64 (ex: "ssh-rsa AAAAB3NzaC1yc2EAAA")
+ if [[ "$argType" = "ssh_pubkey" ]]; then
+ if [[ "$argInput" =~ ^[[:alnum:]-]*[\ ]*[[:alnum:]+/=]*$ ]]; then
+ return 0; fi; fi;
+
+ ## age_pubkey
+ ### Check for age1[:bech32:]
+ if [[ "$argType" = "age_pubkey" ]]; then
+ if [[ "$argInput" =~ ^age1[qpzry9x8gf2tvdw0s3jn54khce6mua7l]*$ ]]; then
+ return 0; fi; fi
+
+ # Return error if no condition matched.
+ return 1;
+} # Validates strings
magicWriteVersion() {
# Desc: Appends time-stamped VERSION to PATHOUT_TAR
# Usage: magicWriteVersion
appendArgTar "$CONTENT_VERSION" "$FILEOUT_VERSION" "$PATHOUT_TAR" "$DIR_TMP";
} # bkgpslog: write version data to PATHOUT_TAR via appendArgTar()
-magicWriteBuffer() {
+magicGatherWriteBuffer() {
# Desc: bkgpslog-specific meta function for writing data to DIR_TMP then appending each file to PATHOUT_TAR
# Inputs: PATHOUT_TAR FILEOUT_{NMEA,GPX,KML} CMD_CONV_{NMEA,GPX,KML} CMD_{COMPRESS,ENCRYPT} DIR_TMP,
# Inputs: BUFFER_TTL bufferTTL_STR SCRIPT_HOSTNAME CMD_COMPRESS_SUFFIX CMD_ENCRYPT_SUFFIX
# Depends: yell, try, vbm, appendArgTar, tar
local FN="${FUNCNAME[0]}";
wait; # Wait to avoid collision with older magicWriteBuffer() instances (see https://www.tldp.org/LDP/abs/html/x9644.html )
-
- timeBufferStart="$(dateTimeShort "$(date --date="$BUFFER_TTL seconds ago")")"; # Note start time#TODO subtract BUFFER_TTL from current time
+ # Create buffer file with unique name
+ PATHOUT_BUFFER="$DIR_TMP/buffer$SECONDS";
+ # Fill buffer
+ timeout "$BUFFER_TTL"s gpspipe -r -o "$PATHOUT_BUFFER" ;
+ timeBufferStart="$(dateTimeShort "$(date --date="$BUFFER_TTL seconds ago")")"; # Note start time
vbm "DEBUG:STATUS:$FN:Started magicWriteBuffer().";
# Determine file paths (time is start of buffer period)
FILEOUT_BASENAME="$timeBufferStart""--""$bufferTTL_STR""..""$SCRIPT_HOSTNAME""_location" && vbm "STATUS:Set FILEOUT_BASENAME to:$FILEOUT_BASENAME";
if [[ "$OPTION_ENCRYPT" = "true" ]]; then # Check if encryption option active.
if checkapp age; then # Check that age is available.
for pubkey in "${recPubKeys[@]}"; do # Validate recipient pubkey strings by forming test message
- vbm "DEBUG:Testing pubkey string:$pubkey"
- if echo "butts" | age -a -r "$pubkey" 1>/dev/null; then
+ vbm "DEBUG:Testing pubkey string:$pubkey";
+ if echo "butts" | age -a -r "$pubkey" 1>/dev/null &&
+ ( validateInput "$pubkey" "ssh_pubkey" || validateInput "$pubkey" "age_pubkey"); then
#### Form age recipient string
- recipients="$recipients""-r $pubkey ";
+ recipients="$recipients""-r '$pubkey' ";
vbm "STATUS:Added pubkey for forming age recipient string:""$pubkey";
vbm "DEBUG:recipients:""$recipients";
#### Add validated pubkey to recPubKeysValid array
vbm "DEBUG:Finished processing recPubKeys array";
## Form age command string
- CMD_ENCRYPT="age ""$recipients ";
- CMD_ENCRYPT_SUFFIX=".age";
+ CMD_ENCRYPT="age ""$recipients " && vbm "CMD_ENCRYPT:$CMD_ENCRYPT";
+ CMD_ENCRYPT_SUFFIX=".age" && vbm "CMD_ENCRYPT_SUFFIX:$CMD_ENCRYPT_SUFFIX";
else
yell "ERROR:Encryption enabled but \"age\" not found. Exiting."; exit 1;
fi
else
- CMD_ENCRYPT="tee /dev/null ";
- CMD_ENCRYPT_SUFFIX="";
+ CMD_ENCRYPT="tee /dev/null " && vbm "CMD_ENCRYPT:$CMD_ENCRYPT";
+ CMD_ENCRYPT_SUFFIX="" && vbm "CMD_ENCRYPT_SUFFIX:$CMD_ENCRYPT_SUFFIX";
vbm "DEBUG:Encryption not enabled."
fi
if [[ "$OPTION_COMPRESS" = "true" ]]; then # Check if compression option active
if checkapp gzip; then # Check if gzip available
- CMD_COMPRESS="gzip ";
- CMD_COMPRESS_SUFFIX=".gz";
+ CMD_COMPRESS="gzip " && vbm "CMD_COMPRESS:$CMD_COMPRESS";
+ CMD_COMPRESS_SUFFIX=".gz" && vbm "CMD_COMPRESS_SUFFIX:$CMD_COMPRESS_SUFFIX";
else
yell "ERROR:Compression enabled but \"gzip\" not found. Exiting."; exit 1;
fi
else
- CMD_COMPRESS="tee /dev/null ";
- CMD_COMPRESS_SUFFIX="";
+ CMD_COMPRESS="tee /dev/null " && vbm "CMD_COMPRESS:$CMD_COMPRESS";
+ CMD_COMPRESS_SUFFIX="" && vbm "CMD_COMPRESS_SUFFIX:$CMD_COMPRESS_SUFFIX";
vbm "DEBUG:Compression not enabled.";
fi
CMD_CONV_NMEA="tee /dev/null " && vbm "STATUS:Set CMD_CONV_NMEA to:$CMD_CONV_NMEA"; # tee as passthrough
CMD_CONV_GPX="gpsbabel -i nmea -f - -o gpx -F - " && vbm "STATUS:Set CMD_CONV_GPX to:$CMD_CONV_GPX"; # convert NMEA to GPX
CMD_CONV_KML="gpsbabel -i nmea -f - -o kml -F - " && vbm "STATUS:Set CMD_CONV_KML to:$CMD_CONV_KML"; # convert NMEA to KML
-
+
# MAIN LOOP:Record gps data until script lifespan ends
- declare debugCounter; debugCounter="0"; # set debug counter
while [[ "$SECONDS" -lt "$scriptTTL" ]]; do
- # Create buffer file with unique name
- PATHOUT_BUFFER="$DIR_TMP/buffer$debugCounter++";
- # Fill Bash variable buffer
- timeout "$BUFFER_TTL"s gpspipe -r -o "$PATHOUT_BUFFER" ;
- # Process bufferBash, save secured chunk set to DIR_TMP
- magicWriteBuffer &
- ((debugCounter++));
- done
+ magicGatherWriteBuffer &
+ sleep "$BUFFER_TTL";
+ done
# Cleanup
## Remove DIR_TMP
projects / EVA-2020-02.git / blobdiff