ipa-sss-log

#!/bin/bash

# This script comes with ABSOLUTELY NO WARRANTY, use at own risk
# Copyright (C) 2021 Osiris Alejandro Gomez <osiris@gcoop.coop>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

# shellcheck disable=SC1090
# shellcheck disable=SC1091
# shellcheck disable=SC2129

DIR_BIN="$(dirname "$0")" && source "$DIR_BIN/ipa-src-cfg"

function usage()
{
cat << EOF

## \`$BIN\` Generate report of SynLog

### Usage

\`\`\`bash

  $BIN [IPA_SSS_SYN_LOG] [YYYY-MM-DD] [REGEX_EXCLUDE]

\`\`\`

### Generate stats report from \`ipa-sss-syn.log\`

### Examples

\`\`\`bash

	$BIN ipa-sss-syn.log

\`\`\`

See full example output in [ipa-sss-syn.md](examples/ipa-sss-syn.md) and
[ipa-sss-syn.pdf](examples/ipa-sss-syn.pdf)

EOF
exit 0
}

[[ "$1" =~ ^[-]+(h|help) ]] && usage

params()
{

LOG='ipa-sss-syn.log'
TMP='ipa-sss-syn.tmp'

DATE="$(date +%F)"
EXCLUDE=''

R_DATE='[0-9]+-[0-9]+-[0-9]+'

[[ -z "$1"   ]] || LOG="$1"
[[ -z "$2"   ]] || DATE="$2"
[[ -z "$3"   ]] || EXCLUDE="$3"
[[ -e "$LOG" ]] || die "NOT FOUND $LOG"
[[ -s "$LOG" ]] || success "NOTHING TO DO! EMPTY FILE $LOG"

[[ -n "$NAME" ]] || NAME="$(basename "$LOG" .log)"
[[ -n "$OUT"  ]] || OUT="${DIR_PDF}/${NAME}.md"

if [[ -z "$EXCLUDE" ]]
then
  grep -E "^$DATE" "$LOG" > "$TMP"
else
  grep -E "^$DATE" "$LOG" | grep -vE "$EXCLUDE" > "$TMP"
fi

}

header()
{

TITLE="report $LOG filter by $DATE"
[[ "$EXCLUDE" != '' ]] && TITLE+=" and exclude $EXCLUDE"

cat << EOF
---
date: $DATE
title: $TITLE
author: CC-BY-SA Osiris Alejandro Gomez osiris@gcoop.coop
fontsize: 10pt
classoption: portrait
---
EOF

}

defaults()
{

C_STRINGS=$(cat << EOF
user
sAMAccountName
EOF
)

C_DATES=$(cat << EOF
lockoutTime
pwdLastSet
pwdExpireDate
accountExpires
adAccountExpires
dataExpireTimestamp
newDataExpireTimestamp
newAdAccountExpires
EOF
)

C_NUMBERS=$(cat << EOF
pwdExpireDays
pwdExpired
userAccountControl
adUserAccountControl
sss_cache
newAdUserAccountControl
error
seconds
EOF
)

}

title2()
{
  printf "\\n\\n## %s\\n\\n" "$1"
}

code()
{
  echo
  echo '```'
  echo
}

get_string()
{
  grep -Eo "$1=[a-zA-Z0-9]+" "$TMP" | cut -d '=' -f2
}

get_number()
{
  grep -Eo "$1=[0-9]+" "$TMP" | cut -d '=' -f2
}

get_weekdate()
{
  grep -Eo "$1=$R_DATE" "$TMP" | cut -d '=' -f2 | while read -r D
  do
    date -d "$D" +'%a'
  done
}

get_date()
{
  # FIXME generalize and reduce replacements with regex
  grep -Eo "$1=$R_DATE" "$TMP" \
  | cut -d '=' -f2 \
  | sed 's/2016-..-../2016-MM-DD/g' \
  | sed 's/2017-..-../2017-MM-DD/g' \
  | sed 's/2018-..-../2018-MM-DD/g' \
  | sed 's/2019-..-../2019-MM-DD/g' \
  | sed 's/2020-..-../2020-MM-DD/g' \
  | sed 's/2021-..-../2021-MM-DD/g' \
  | sed 's/2022-01-../2022-01-DD/g' \
  | sed 's/2022-02-../2022-02-DD/g' \
  | sed 's/2022-03-../2022-03-DD/g' \
  | sed 's/2022-04-../2022-04-DD/g' \
  | sed 's/2022-05-../2022-05-DD/g' \
  | sed 's/2022-06-../2022-06-DD/g' \
  | sed 's/2022-07-../2022-07-DD/g' \
  | sed 's/2022-08-../2022-08-DD/g' \
  | sed 's/2022-09-../2022-09-DD/g' \
  | sed 's/2022-10-../2022-10-DD/g' \
  | sed 's/2022-11-../2022-11-DD/g' \
  | sed 's/2022-12-../2022-12-DD/g'
}

show_numbers()
{

echo "$C_NUMBERS" | while read -r C
do

	title2 "$C"
  code
	get_number "$C" | sort | uniq -c | sort -nr | tee "$C.num" | barra
  code

done

}

show_dates()
{

echo "$C_DATES" | while read -r C
do

	title2 "$C"
  code
	get_date "$C" | sort | uniq -c | sort -nr | barra
  code

done

}

show_weekdates()
{

echo "$C_DATES" | while read -r C
do

	title2 "$C weekday"
  code
	get_weekdate "$C" | sort | uniq -c | sort -nr | barra
  code

done

}

show_strings()
{

echo "$C_STRINGS" | while read -r C
do

	title2 "$C"
  code

  if [[ "$C" = 'sAMAccountName' ]]
  then
    get_string "$C" | sort | uniq -c | grep -vE '^ +1 ' | sort -nr | barra
  else
    get_string "$C" | sort | uniq -c | sort -nr | barra
  fi

  code

done

}

log2md()
{

header
defaults
show_strings
show_numbers
show_dates
show_weekdates

}

main()
{

config
params "$@"
log2md > "$OUT" && echo >&2 "$OUT"

}

main "$@"