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journald support of dovecot inspired by the sshd_log plugin (#1453)
* journald support of dovecot inspired by the sshd_log plugin * fix indentation Co-authored-by: Kenyon Ralph <kenyon@kenyonralph.com> * fix indentation --------- Co-authored-by: Kenyon Ralph <kenyon@kenyonralph.com>
This commit is contained in:
Stephan Kleber
GitHub
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commit
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1 changed files with 78 additions and 77 deletions
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@ -9,6 +9,9 @@
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# - Stephane Enten <tuf@delyth.net>
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# - Steve Schnepp <steve.schnepp@pwkf.org>
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# - pcy <pcy@ulyssis.org> (make 'Connected Users' DERIVE, check existence of logfile in autoconf)
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# - Stephan Kleber <stephan@kleber.space>: journald support inspired by the sshd_log plugin
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#
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# This plugin requires read permission for the logfile or journald.
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#
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# Parameters understood:
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#
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@ -17,7 +20,10 @@
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#
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# Config variables:
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#
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# logfile - Where to find the syslog file
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# logfile - Where to find the syslog file or "journald" to use journald.
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# journalctlargs - space separated list of arguments to pass to
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# journalctl to get the sshd logs.
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# default: "-u dovecot"
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#
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# Add the following line to a file in /etc/munin/plugin-conf.d:
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# env.logfile /var/log/your/logfile.log
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@ -31,98 +37,93 @@
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# Configuration
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######################
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LOGFILE=${logfile:-/var/log/mail.log}
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JOURNALCTL_ARGS=${journalctlargs:--u dovecot}
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TYPE=${type:-GAUGE}
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######################
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if [ "$LOG" = "journald" -a "$TYPE" = "DERIVE" ]; then
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TYPE=ABSOLUTE
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fi
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if [ "$1" = "autoconf" ]; then
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[ -f "$LOGFILE" ] && echo yes || echo "no (logfile $LOGFILE not found)"
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exit 0
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if [ "$LOGFILE" = "journald" ]; then
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# shellcheck disable=SC2086,SC2034
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if journalctl --no-pager --quiet --lines=1 $JOURNALCTL_ARGS | read -r DUMMY; then
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echo "yes"
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else
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echo "no (journald empty log for '$JOURNALCTL_ARGS' not found)"
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fi
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else
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if [ -r "$LOGFILE" ]; then
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echo "yes"
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else
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echo "no (logfile '$LOGFILE' not readable)"
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fi
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fi
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exit 0
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fi
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if [ "$1" = "config" ]; then
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echo 'graph_title Dovecot Logins'
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echo 'graph_category mail'
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echo 'graph_args --base 1000 -l 0'
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echo 'graph_vlabel Login Counters'
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echo 'graph_title Dovecot Logins'
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echo 'graph_category mail'
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echo 'graph_args --base 1000 -l 0'
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echo 'graph_vlabel Login Counters'
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for t in Total TLS SSL IMAP POP3
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do
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field=$(echo $t | tr '[:upper:]' '[:lower:]')
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echo "login_$field.label $t Logins"
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echo "login_$field.type DERIVE"
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echo "login_$field.min 0"
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done
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for t in Total TLS SSL IMAP POP3
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do
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field=$(echo $t | tr '[:upper:]' '[:lower:]')
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echo "login_$field.label $t Logins"
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echo "login_$field.type DERIVE"
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echo "login_$field.min 0"
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done
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echo 'connected.label Connected Users'
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echo "connected.type DERIVE"
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echo 'connected.label Connected Users'
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echo "connected.type ABSOLUTE"
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exit 0
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exit 0
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fi
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if [ "$LOGFILE" = "journald" -a "$TYPE" = "ABSOLUTE" ]; then
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CURSOR_FILE="$MUNIN_STATEFILE"
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# read cursor
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# format: "journald-cursor <cursor>"
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CURSOR=
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if [ -f "$CURSOR_FILE" ]; then
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CURSOR=$(awk '/^journald-cursor / {print $2}' "$CURSOR_FILE")
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fi
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else
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CURSOR_FILE=
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fi
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if [ "$LOGFILE" = "journald" ]; then
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# shellcheck disable=SC2086
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if [ "$TYPE" = "ABSOLUTE" ]; then
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journalctl --no-pager --quiet --show-cursor ${CURSOR:+"--after-cursor=$CURSOR"} $JOURNALCTL_ARGS
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else
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journalctl --no-pager --quiet --since=$(date -dlast-sunday +%Y-%m-%d) $JOURNALCTL_ARGS
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fi
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else
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cat "$LOGFILE"
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fi | \
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awk -v cursor_file="$CURSOR_FILE" -v connected="$(doveadm who -1 | expr $(wc -l) - 1)" 'BEGIN{c["login_total"]=0;c["connected"]=connected;c["login_tls"]=0;c["login_ssl"]=0;c["login_imap"]=0;c["login_pop3"]=0; }
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/dovecot\[.*Login/{c["login_total"]++}
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/dovecot\[.*Login.*TLS/{c["login_tls"]++}
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/dovecot\[.*Login.*SSL/{c["login_ssl"]++}
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/dovecot\[.*imap.*Login/{c["login_imap"]++}
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/dovecot\[.*pop3.*Login/{c["login_pop3"]++}a
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END{if (cursor_file != "") { print "journald-cursor " $3 > cursor_file };
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for(i in c){print i".value " c[i]} }'
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######################
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# Total Logins
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######################
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echo -en "login_total.value "
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VALUE=$(egrep -c '[dovecot]?.*Login' $LOGFILE)
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if [ ! -z "$VALUE" ]; then
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echo "$VALUE"
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else
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echo "0"
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fi
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echo -n
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######################
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# use doveadm instead of
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# /dovecot\[.*Disconnected/{c["connected"]++}
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# and
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# {c["connected"]=c["login_total"]-c["connected"]}; {if (c["connected"] < 0) {c["connected"] = 0}};
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# Connected Users
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######################
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DISCONNECTS=$(egrep -c '[dovecot]?.*Disconnected' $LOGFILE)
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CONNECTS=$(egrep -c '[dovecot]?.*Login' $LOGFILE)
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VALUE=$(( CONNECTS - DISCONNECTS ))
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if [ -z "$VALUE" ] || [ "$VALUE" -lt 0 ]; then
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VALUE=0
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fi
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echo -en "connected.value "
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echo $VALUE
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echo -n
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######################
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# VALUE=$(( CONNECTS - DISCONNECTS ))
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# TLS Logins
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######################
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echo -en "login_tls.value "
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VALUE=$(egrep -c '[dovecot]?.*Login.*TLS' $LOGFILE)
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if [ ! -z "$VALUE" ]; then
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echo "$VALUE"
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else
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echo "0"
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fi
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echo -n
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######################
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# SSL Logins
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######################
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echo -en "login_ssl.value "
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VALUE=$(egrep -c '[dovecot]?.*Login.*SSL' $LOGFILE)
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if [ ! -z "$VALUE" ]; then
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echo "$VALUE"
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else
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echo "0"
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fi
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echo -n
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######################
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# IMAP Logins
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######################
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echo -en "login_imap.value "
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VALUE=$(egrep -c '[dovecot]?.*imap.*Login' $LOGFILE)
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if [ ! -z "$VALUE" ]; then
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echo "$VALUE"
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else
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echo "0"
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fi
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echo -n
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######################
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# POP3 Logins
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######################
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echo -en "login_pop3.value "
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VALUE=$(egrep -c '[dovecot]?.*pop3.*Login' $LOGFILE)
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if [ ! -z "$VALUE" ]; then
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echo "$VALUE"
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else
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echo "0"
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fi
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echo -n
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