# Script Metadata
scriptName="bklog"; # Define basename of script file.
-scriptVersion="0.1.5"; # Define version of script.
+scriptVersion="0.1.9"; # Define version of script.
scriptURL="https://gitlab.com/baltakatei/ninfacyzga-01"; # Define wesite hosting this script.
scriptTimeStart="$(date +%Y%m%dT%H%M%S.%N)"; # YYYYmmddTHHMMSS.NNNNNNNNN
scriptHostname=$(hostname); # Save hostname of system running this script.
return 1;
fi;
} # Check age pubkey
+checkMakeTar() {
+ # Desc: Checks that a valid tar archive exists, creates one otherwise
+ # Usage: checkMakeTar [ path ]
+ # Version: 1.0.2
+ # Input: arg1: path of tar archive
+ # Output: exit code 0 : tar readable
+ # exit code 1 : tar missing; created
+ # exit code 2 : tar not readable; moved; replaced
+ # Depends: bash 5, date 8, tar 1, try()
+ local pathTar returnFlag0 returnFlag1 returnFlag2
+ pathTar="$1";
+
+ # Check if file is a valid tar archive
+ if tar --list --file="$pathTar" 1>/dev/null 2>&1; then
+ ## T1: return success
+ returnFlag0="tar valid";
+ else
+ ## F1: Check if file exists
+ if [[ -f "$pathTar" ]]; then
+ ### T: Rename file
+ try mv "$pathTar" "$pathTar""--broken--""$(date +%Y%m%dT%H%M%S)" && \
+ returnFlag1="tar moved";
+ else
+ ### F: -
+ :
+ fi;
+ ## F2: Create tar archive, return 0
+ try tar --create --file="$pathTar" --files-from=/dev/null && \
+ returnFlag2="tar created";
+ fi;
+
+ # Determine function return code
+ if [[ "$returnFlag0" = "tar valid" ]]; then
+ return 0;
+ elif [[ "$returnFlag2" = "tar created" ]] && ! [[ "$returnFlag1" = "tar moved" ]]; then
+ return 1; # tar missing so created
+ elif [[ "$returnFlag2" = "tar created" ]] && [[ "$returnFlag1" = "tar moved" ]]; then
+ return 2; # tar not readable so moved; replaced
+ fi;
+} # checks if arg1 is tar; creates one otherwise
dateShort(){
# Desc: Date without separators (YYYYmmdd)
# Usage: dateShort ([str date])
fi
} # Get duration (ex: PT10M4S )
+timeUntilNextDay(){
+ # Desc: Report seconds until next day.
+ # Version: 1.0.2
+ # Output: stdout: integer seconds until next day
+ # Output: exit code 0 if stdout > 0; 1 if stdout = 0; 2 if stdout < 0
+ # Usage: timeUntilNextDay
+ # Usage: if ! myTTL="$(timeUntilNextDay)"; then yell "ERROR in if statement"; exit 1; fi
+ # Depends: date 8, echo 8, yell, try
+
+ local returnState timeCurrent timeNextDay secondsUntilNextDay returnState
+ timeCurrent="$(date --iso-8601=seconds)" ; # Produce `date`-parsable current timestamp with resolution of 1 second.
+ timeNextDay="$(date -d "$timeCurrent next day" --iso-8601=date)"; # Produce timestamp of beginning of tomorrow with resolution of 1 second.
+ secondsUntilNextDay="$(( $(date +%s -d "$timeNextDay") - $(date +%s -d "$timeCurrent") ))" ; # Calculate seconds until closest future midnight (res. 1 second).
+ if [[ "$secondsUntilNextDay" -gt 0 ]]; then
+ returnState="true";
+ elif [[ "$secondsUntilNextDay" -eq 0 ]]; then
+ returnState="warning_zero";
+ yell "WARNING:Reported time until next day exactly zero.";
+ elif [[ "$secondsUntilNextDay" -lt 0 ]]; then
+ returnState="warning_negative";
+ yell "WARNING:Reported time until next day is negative.";
+ fi
+
+ try echo "$secondsUntilNextDay"; # Report
+
+ # Determine function return code
+ if [[ "$returnState" = "true" ]]; then
+ return 0;
+ elif [[ "$returnState" = "warning_zero" ]]; then
+ return 1;
+ elif [[ "$returnState" = "warning_negative" ]]; then
+ return 2;
+ fi
+} # Report seconds until next day
+timeUntilNextHour(){
+ # Desc: Report seconds until next hour
+ # Version 1.0.1
+ # Output: stdout: integer seconds until next hour
+ # Output: exit code 0 if stdout > 0; 1 if stdout = 0; 2 if stdout < 0
+ # Usage: timeUntilNextHour
+ # Usage: if ! myTTL="$(timeUntilNextHour)"; then yell "ERROR in if statement"; exit 1; fi
+
+ local returnState timeCurrent timeNextHour secondsUntilNextHour
+ timeCurrent="$(date --iso-8601=seconds)"; # Produce `date`-parsable current timestamp with resolution of 1 second.
+ timeNextHour="$(date -d "$timeCurrent next hour" --iso-8601=hours)"; # Produce `date`-parsable current time stamp with resolution of 1 second.
+ secondsUntilNextHour="$(( $(date +%s -d "$timeNextHour") - $(date +%s -d "$timeCurrent") ))"; # Calculate seconds until next hour (res. 1 second).
+ if [[ "$secondsUntilNextHour" -gt 0 ]]; then
+ returnState="true";
+ elif [[ "$secondsUntilNextHour" -eq 0 ]]; then
+ returnState="warning_zero";
+ yell "WARNING:Reported time until next hour exactly zero.";
+ elif [[ "$secondsUntilNextHour" -lt 0 ]]; then
+ returnState="warning_negative";
+ yell "WARNING:Reported time until next hour is negative.";
+ fi;
+
+ try echo "$secondsUntilNextHour"; # Report
+
+ # Determine function return code
+ if [[ "$returnState" = "true" ]]; then
+ return 0;
+ elif [[ "$returnState" = "warning_zero" ]]; then
+ return 1;
+ elif [[ "$returnState" = "warning_negative" ]]; then
+ return 2;
+ fi;
+} # Report seconds until next hour
+validateInput() {
+ # Desc: Validates Input
+ # Usage: validateInput [str input] [str input type]
+ # Version: 0.3.1
+ # Input: arg1: string to validate
+ # arg2: string specifying input type (ex:"ssh_pubkey")
+ # Output: return code 0: if input string matched specified string type
+ # Depends: bash 5, yell()
+
+ local fn argInput argType
+
+ # Save function name
+ fn="${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
+
+ ## integer
+ if [[ "$argType" = "integer" ]]; then
+ if [[ "$argInput" =~ ^[[:digit:]]*$ ]]; then
+ return 0; fi; fi;
+
+ ## time element (year, month, week, day, hour, minute, second)
+ if [[ "$argType" = "time_element" ]]; then
+ if [[ "$argInput" = "year" ]] || \
+ [[ "$argInput" = "month" ]] || \
+ [[ "$argInput" = "week" ]] || \
+ [[ "$argInput" = "day" ]] || \
+ [[ "$argInput" = "hour" ]] || \
+ [[ "$argInput" = "minute" ]] || \
+ [[ "$argInput" = "second" ]]; then
+ return 0; fi; fi;
+
+ # Return error if no condition matched.
+ return 1;
+} # Validates strings
magicInitWorkingDir() {
# Desc: Determine temporary working directory from defaults or user input
# Parse '-t' option (user-specified temporary working dir)
## Set dir_tmp_parent to user-specified value if specified
local dir_tmp_parent
-
+
+ vbm "Starting magicInitWorkingDir() function.";
if [[ "$optionTmpDir" = "true" ]]; then
if [[ -d "$argTempDirPriority" ]]; then
dir_tmp_parent="$argTempDirPriority";
fi;
## Set dir_tmp using dir_tmp_parent and nonce (scriptTimeStart)
dir_tmp="$dir_tmp_parent"/"$scriptTimeStart""..bkgpslog" && vbm "DEBUG:Set dir_tmp to:$dir_tmp"; # Note: removed at end of main().
+ vbm "Finished magicInitWorkingDir() function.";
} # Sets working dir
magicInitCheckTar() {
# Desc: Initializes or checks output tar
# output: vars: pathout_tar
# depends: Bash 5.0.3, vbm(), dateShort(), checkMakeTar(), magicWriteVersion()
+ vbm "Starting magicInitCheckTar() function.";
# Form pathout_tar
pathout_tar="$dirOut"/"$(dateShort "$(date --date="$bufferTTL seconds ago" --iso-8601=seconds)")".."$scriptHostname""$label""$cmd_compress_suffix""$cmd_encrypt_suffix".tar && \
vbm "STATUS:Set pathout_tar to:$pathout_tar";
checkMakeTar "$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
+ if [[ $? -eq 1 ]] || [[ $? -eq 2 ]]; then magicWriteVersion; fi
+ vbm "Finished magicInitCheckTar() function.";
} # Initialize tar, set pathout_tar
magicParseCompressionArg() {
# Desc: Parses compression arguments specified by '-c' option
# Input: vars: optionCompress
# Output: cmd_compress, cmd_compress_suffix
# Depends: processArguments(), vbm(), checkapp(), gzip 1.9
+
+ vbm "Starting magicParseCompressionArg() function.";
if [[ "$optionCompress" = "true" ]]; then # Check if compression option active
if checkapp gzip; then # Check if gzip available
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
+ fi;
else
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
+ fi;
+ vbm "Starting magicParseCompressionArg() function.";
} # Form compression cmd string and filename suffix
magicParseCustomTTL() {
# Desc: Set user-specified TTLs for buffer and script
# Output: bufferTTL (integer), scriptTTL_TE (string)
# Depends: Bash 5.0.3, yell(), vbm(), validateInput(), showUsage()
+ vbm "Starting magicParseCustomTTL() function.";
# React to '-b, --buffer-ttl' option
if [[ "$optionCustomBufferTTL" = "true" ]]; then
## T: Check if argCustomBufferTTL is an integer
yell "ERROR:Invalid time element argument for custom script time-to-live."; showUsage; exit 1;
fi;
## F: do not change scriptTTL_TE
- fi;
+ fi;
+ vbm "Starting magicParseCustomTTL() function.";
} # Sets custom script or buffer TTL if specified
magicParseLabel() {
# Desc: Parses -l option to set label
local rawFileExt
vbm "STATUS:Starting magicParseProcessStrings() function.";
+ vbm "var:optionProcString:$optionProcString";
+ vbm "var:optionNoStoreRaw:$optionNoStoreRaw";
+ vbm "var:optionStoreRaw:$optionStoreRaw";
+ vbm "var:argRawFileExt:$argRawFileExt";
+ vbm "ary:argProcStrings:${argProcStrings[*]}";
+ vbm "ary:argProcFileExts:${argProcFileExts[*]}"
# Validate input
## Validate argRawFileExt
if [[ "$argRawFileExt" =~ ^[.][[:alnum:]]*$ ]]; then
if [[ -z "$element" ]]; then yell "ERROR:Empty output file extension specified. Exiting."; exit 1; fi; done
## Make sure that no process string starts with '-' (ex: if only one arg supplied after '-p' option)
for element in "${argProcStrings[@]}"; do
- if [[ ! "$element" =~ ^[-][[:print:]]*$ ]] && [[ "$element" =~ ^[[:print:]]*$ ]]; then
- yell "ERROR:Illegal character '-' at start of process string element. Option syntax error?";
+ if [[ "$element" =~ ^[-][[:print:]]*$ ]] && [[ ! "$element" =~ ^[[:print:]]*$ ]]; then
+ yell "ERROR:Illegal character '-' at start of process string element:\"$element\"";
exit 1; fi; done;
vbm "STATUS:Quick check shows argProcStrings and argProcFileExts appear to have valid contents.";
procStrings=("${argProcStrings[@]}"); # Export process command strings
# Depends: processArguments(), yell(), vbm(), checkapp(), checkAgePubkey(), validateInput()
local recipients
+ vbm "Starting magicParseRecipientArgs() function.";
# Check if encryption option active.
if [[ "$optionEncrypt" = "true" ]] && [[ "$optionRecipients" = "true" ]]; then
if checkapp age; then # Check that age is available.
yell "ERROR:\\'-e\\' set but no \\'-r\\' or \\'-R\\' set."; exit 1; fi;
# Catch case if '-r' or '-R' set but '-e' is not
if [[ ! "$optionEncrypt" = "true" ]] && [[ "$optionRecipients" = "true" ]]; then
- yell "ERROR:\\'-r\\' or \\'-R\\' set but \\'-e\\' is not set."; exit 1; fi;
+ yell "ERROR:\\'-r\\' or \\'-R\\' set but \\'-e\\' is not set."; exit 1; fi;
+ vbm "Finished magicParseRecipientArgs() function.";
} # Populate recPubKeysValid with argRecPubKeys; form encryption cmd string and filename suffix
magicParseRecipientDir() {
# Desc: Updates recPubKeysValid with pubkeys in dir specified by '-R' option ("recipient directory")
local recipientDir recFileLine updateRecipients
declare -a candRecPubKeysValid
+ vbm "Starting magicParseRecipientDir() function.";
# Check that '-e' and '-R' set
if [[ "$optionEncrypt" = "true" ]] && [[ "$optionRecDir" = "true" ]]; then
### Check that argRecDir is a directory.
# 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;
+ vbm "Finished magicParseRecipientDir() function.";
} # Update recPubKeysValid with argRecDir
magicSetScriptTTL() {
#Desc: Sets script_TTL seconds from provided time_element string argument
#Output: var: scriptTTL (integer seconds)
#Depends: timeUntilNextHour, timeUntilNextDay
local argTimeElement
-
+
+ vbm "Starting magicSetScriptTTL() function.";
argTimeElement="$1";
if [[ "$argTimeElement" = "day" ]]; then
# Set script lifespan to end at start of next day
else
yell "ERROR:Invalid argument for setScriptTTL function:$argTimeElement"; exit 1;
fi;
+ vbm "Finished magicSetScriptTTL() function.";
} # Set scriptTTL in seconds until next (day|hour).
magicWriteVersion() {
# Desc: Appends time-stamped VERSION to pathout_tar
# Output: appends tar (pathout_tar)
# Depends: bash 5.0.3, dateTimeShort(), appendArgTar()
local fileoutVersion contentVersion pubKeyIndex pubKeyIndex
-
+
+ vbm "Starting magicWriteVersion() function.";
# Set VERSION file name
fileoutVersion="$(dateTimeShort)..VERSION";
# Write contentVersion as file fileoutVersion and write-append to pathout_tar
appendArgTar "$contentVersion" "$fileoutVersion" "$pathout_tar" "$dir_tmp";
+ vbm "Finished magicWriteVersion() function.";
} # write version data to pathout_tar via appendArgTar()
magicProcessWriteBuffer() {
# Desc: process and write buffer
magicParseProcessStrings; # Sets arrays: procStrings, procFileExts
## React to "-l" (output file label) option
magicParseLabel; # sets label (ex: "_location")
- ## React to "-w" (how to name raw stdin file) option
- magicParseStoreRaw; # sets raw_suffix
# Perform secondary setup operations
## Set script lifespan (scriptTTL from scriptTTL_TE)
bufferRound=0;
while [[ $SECONDS -lt "scriptTTL" ]]; do
bufferTOD="$((SECONDS + bufferTTL))"; # Set buffer round time-of-death
- lineCount=0; # Debug counter
# Consume stdin to fill buffer until buffer time-of-death (TOD) arrives
while read -r -t "$bufferTTL" line && [[ $SECONDS -lt "$bufferTOD" ]]; do
# Append line to buffer array
buffer+=("$line");
- echo "DEBUG:Processing line:$lineCount";
- echo "DEBUG:Current line :$line";
- echo "DEBUG:buf elem count :${#buffer[@]}";
- ((lineCount++));
done;
# Create dir_tmp if missing
if ! [[ -d "$dir_tmp" ]]; then yell "ERROR:dir_tmp existence failure:$dir_tmp"; try mkdir "$dir_tmp" && vbm "DEBUG:Working dir recreated dir_tmp:$dir_tmp"; fi
projects / EVA-2020-02.git / blobdiff