78 lines
2.7 KiB
Bash
78 lines
2.7 KiB
Bash
#!/usr/bin/env bash
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#
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# check last user logged in (with host ip and period) and currently logged in users
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# + if the last logged in is not the current user, add a section about the last login of the curent user
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# GENERAL ###########################################################
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# locale env
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unset LC_ALL
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export LC_MESSAGES=C
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# check if module was disabled
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module_disable=${module_userslog_disable:=0}
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if (($module_disable == 1)); then
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exit 1
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fi
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# colors
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c_txt=${c_txt:="39"}
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c_txt_emphase=${c_txt_emphase:="35"}
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c_txt_deco=${c_txt_deco:="97"}
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c_txt_invert=${c_txt_invert:="30"}
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c_bg=${c_bg_sec:="47"}
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c_danger=${c_danger:="31"}
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c_warning=${c_warning:="33"}
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c_success=${c_success:="32"}
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c_title=${c_title:="${c_bg};1;${c_txt_invert}m"}
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# PREPARATIONS ######################################################
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lastuserlog=$(last -i -F -n 2 | head -2 | tail -1)
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lastusername=$(echo -e "$lastuserlog" | awk '{print $1}')
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lastuserhost=$(echo -e "$lastuserlog" | awk '{print $3}')
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if [[ "$lastuserhost" == "0.0.0.0" ]]; then
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lastuserhost="localhost"
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fi
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lastusertime=$(echo -e "$lastuserlog" | awk '{$1=$2=$3=""; print $0}' | sed 's/^ //')
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lastcurrentuserlog=$(last $(id -un) -i -F -n 2 | head -2 | tail -1)
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lastcurrentusername=$(echo -e "$lastcurrentuserlog" | awk '{print $1}')
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lastcurrentuserhost=$(echo -e "$lastcurrentuserlog" | awk '{print $3}')
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if [[ "$lastcurrentuserhost" == "0.0.0.0" ]]; then
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lastcurrentuserhost="localhost"
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fi
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lastcurrentusertime=$(echo -e "$lastcurrentuserlog" | awk '{$1=$2=$3=""; print $0}' | sed 's/^ //')
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loggedusers=$(last -i -F -p now | /usr/bin/grep "logged in" | awk '{print $1}')
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loggedusersnames=$(echo -e "$loggedusers" | uniq -c | sed 's/^\s\+/|/' | tr ' ' '|')
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loggeduserscount=$(echo -e "$loggedusers" | wc -l)
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# OUTPUT ############################################################
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# header
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echo -e "\n\e[${c_title} Users log \e[0m\n"
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W="\e[0;${c_txt}m"
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X="\e[1;${c_txt}m"
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F="\e[0;${c_txt_emphase}m"
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G="\e[1;${c_txt_emphase}m"
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S="\e[1;4;${c_txt}m"
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N="\e[0m"
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# last logins
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if [[ "$lastusername" == "$lastcurrentusername" ]]; then
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echo -e "$X Last user logged in$W: $G$lastcurrentusername$W, from $F$lastcurrentuserhost$W
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$X | Login - out$W (duration): $F$lastcurrentusertime$N"
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else
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echo -e "$X Last user logged in$W: $G$lastusername$W, from $F$lastuserhost$W
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$X | Login - out$W (duration): $F$lastusertime$W
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$X Last time$W $G$lastcurrentusername$W$X logged in$W, was from $F$lastcurrentuserhost$W
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$X | Login - out$W (duration): $F$lastcurrentusertime$N"
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fi
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# logged users
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echo
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echo -e "$G"$loggeduserscount"$W ${X}session$W(s)$X are logged in$W:|${S}Session(s)${W}|${S}User$W${G}\n`echo -e "$loggedusersnames"`$N" | column -t -s '|' | sed 's/^/ /'
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