X-Git-Url: https://git.xandkar.net/?a=blobdiff_plain;f=home%2Flib%2Flogin_functions.sh;h=426cbb29d32dcd84ab37efc7762f91da66ecdf5a;hb=b635bb83baeb50114b3f5966a41fa67d83abb61b;hp=25775314d1c6b8d2ce71a0f43b26fd26c46adc55;hpb=02f10c8b6438555ddc637e5f6bda840e0b6f06ae;p=khome.git

diff --git a/home/lib/login_functions.sh b/home/lib/login_functions.sh
index 2577531..426cbb2 100644
--- a/home/lib/login_functions.sh
+++ b/home/lib/login_functions.sh
@@ -140,17 +140,29 @@ top_commands() {
 # TODO: Consider using numfmt instead of awk
 tdu() {
     du "$1" \
-    | sort -n -k 1 \
-    | tail -50 \
     | awk '
         {
             size = $1
             path = $0
             sub("^" $1 "\t+", "", path)
-            gb = size / 1024 / 1024
-            printf("%f\t%s\n", gb, path)
-        }' \
-    | cut -c 1-115
+            paths[path] = size
+            if (size > max)
+                max = size
+        }
+
+        END {
+            for (path in paths) {
+                size = paths[path]
+                pct = 100 * (size / max)
+                gb = size / 1024 / 1024
+                printf("%6.2f %3d%% %s\n", gb, pct, path)
+            }
+        }
+    ' \
+    | sort -r -n -k 1 \
+    | head -50 \
+    | tac
+    # A slight optimization: head can exit before traversing the full input.
 }
 
 # Top Disk-Using Files
@@ -225,8 +237,9 @@ man() {
     command man "$@"
 }
 
-experiment() {
-    cd "$(~/bin/experiment $@)" || kill -INT $$
+# new experiment
+x() {
+    cd "$(~/bin/x $@)" || kill -INT $$
 }
 
 hump() {
@@ -234,13 +247,13 @@ hump() {
 }
 
 howto() {
-    cat "$(find  ~/Archives/Documents/HOWTOs -mindepth 1 -maxdepth 1 | sort | fzf)"
+    cat "$(find  ~/arc/doc/HOWTOs -mindepth 1 -maxdepth 1 | sort | fzf)"
 }
 
 _yt() {
     local -r base_dir="$1"
-    local -r opts="$2"
-    local -r uri="$3"
+    local -r uri="$2"
+    local -r opts="$3"
 
     local -r id=$(youtube-dlc --get-id "$uri")
     local -r title=$(youtube-dlc --get-title "$uri" | sed 's/[^A-Za-z0-9._-]/_/g')
@@ -254,7 +267,7 @@ _yt() {
 
 yt_audio() {
     local -r uri="$1"
-    _yt "${DIR_YOUTUBE_AUDIO}/individual" '-f 140' "$uri"
+    _yt "${DIR_YOUTUBE_AUDIO}/individual" "$uri" '-f 140'
 }
 
 yt_video() {
@@ -263,7 +276,10 @@ yt_video() {
 }
 
 gh_fetch_repos() {
-    curl "https://api.github.com/$1/$2/repos?page=1&per_page=10000"
+    local -r user_type="$1"
+    local -r user_name="$2"
+
+    curl "https://api.github.com/$user_type/$user_name/repos?page=1&per_page=10000"
 }
 
 gh_clone() {
@@ -318,7 +334,7 @@ EOF
 
 work_log() {
     mkdir -p "$DIR_WORK_LOG"
-    local -r file_work_log_today="${DIR_WORK_LOG}/$(date +%F).md"
+    local -r file_work_log_today="${DIR_WORK_LOG}/daily-$(date +%F).md"
     if [ ! -f "$file_work_log_today" ]
     then
         work_log_template > "$file_work_log_today"
@@ -428,33 +444,40 @@ flat_top_5() {
         '
 }
 
-motd_batt() {
+internet_addr() {
+    curl --silent --show-error --max-time "${1:=1}" 'https://api.ipify.org' 2>&1
+}
+
+status_batt() {
     case "$(uname)" in
         'Linux')
-            upower --dump \
-            | awk '
-                /^Device:[ \t]+/ {
-                    device["path"] = $2
-                    next
-                }
-
-                /  battery/ && device["path"] {
-                    device["is_battery"] = 1
-                    next
-                }
-
-                /    percentage:/ && device["is_battery"] {
-                    device["battery_percentage"] = $2
-                    sub("%$", "", device["battery_percentage"])
-                    next
-                }
-
-                /^$/ {
-                    if (device["is_battery"] && device["path"] == "/org/freedesktop/UPower/devices/DisplayDevice")
-                        print device["battery_percentage"], 100, "batt"
-                    delete device
-                }
-            '
+            if which upower > /dev/null
+            then
+                upower --dump \
+                | awk '
+                    /^Device:[ \t]+/ {
+                        device["path"] = $2
+                        next
+                    }
+
+                    /  battery/ && device["path"] {
+                        device["is_battery"] = 1
+                        next
+                    }
+
+                    /    percentage:/ && device["is_battery"] {
+                        device["battery_percentage"] = $2
+                        sub("%$", "", device["battery_percentage"])
+                        next
+                    }
+
+                    /^$/ {
+                        if (device["is_battery"] && device["path"] == "/org/freedesktop/UPower/devices/DisplayDevice")
+                            print device["battery_percentage"], 100, "batt"
+                        delete device
+                    }
+                '
+            fi
         ;;
     esac
 }
@@ -463,7 +486,7 @@ indent() {
     awk -v unit="$1" '{printf "%s%s\n", unit, $0}'
 }
 
-motd() {
+status() {
     local -r indent_unit='    '
 
     uname -srvmo
@@ -504,7 +527,7 @@ motd() {
     (
         free | awk '$1 == "Mem:" {print $3, $2, "mem"}'
         df ~ | awk 'NR == 2 {print $3, $3 + $4, "disk"}'
-        motd_batt
+        status_batt
     ) \
     | bar_gauge -v width=60 -v pct=1 \
     | column -t \
@@ -514,13 +537,12 @@ motd() {
 
     printf '%smem by proc\n' "$indent_unit"
     ps -eo rss,cmd \
-    | awk '
+    | awk -v total="$(free | awk '$1 == "Mem:" {print $2; exit}')" '
         NR > 1 {
             rss = $1
             cmd = $2
             n = split(cmd, path, "/")  # _may_ be a path
             proc = path[n]
-            total += rss
             by_proc[proc] += rss
         }
 
@@ -534,7 +556,37 @@ motd() {
 
     echo
 
+    local _dir temp_input label_file label
+
+    printf '%sthermal\n' "$indent_unit"
+    for _dir in /sys/class/hwmon/hwmon*; do
+        cat "$_dir"/name
+        find "$_dir"/ -name 'temp*_input' \
+            | while read -r temp_input; do
+                label_file=${temp_input//_input/_label}
+                if [ -f "$label_file" ]; then
+                    label=$(< "$label_file")
+                else
+                    label=''
+                fi
+                awk -v label="$label" '{
+                        if (label)
+                            label = sprintf(" (%s)", label)
+                            printf("%.2f°C%s\n", $1 / 1000, label)
+                    }' \
+                    "$temp_input"
+            done \
+            | sort \
+            | indent "$indent_unit"
+    done \
+    | indent "${indent_unit}${indent_unit}"
+
     echo 'net'
+    #local -r internet_addr=$(internet_addr 0.5)
+    #local -r internet_ptr=$(host -W 1 "$internet_addr" | awk 'NR == 1 {print $NF}' )
+
+    #echo "${indent_unit}internet"
+    #echo "${indent_unit}${indent_unit}$internet_addr  $internet_ptr"
     echo "${indent_unit}if"
     (ifconfig; iwconfig) 2> /dev/null \
     | awk '
@@ -582,21 +634,36 @@ motd() {
 
     echo "${indent_unit}-->"
 
-    printf '%sUDP: ' "${indent_unit}${indent_unit}"
-    sudo -n netstat -ulnp \
-    | awk 'NR > 2 {print $6}' \
-    | awk -F/ '{print $2}' \
-    | sort -u \
-    | xargs \
-    | column -t
-
-    printf '%sTCP: ' "${indent_unit}${indent_unit}"
-    sudo -n netstat -tlnp \
-    | awk 'NR > 2 {print $7}' \
-    | awk -F/ '{print $2}' \
-    | sort -u \
-    | xargs \
-    | column -t
+    sudo -n netstat -tulnp \
+    | awk -v indent="${indent_unit}${indent_unit}" '
+        NR > 2 && ((/^tcp/ && proc = $7) || (/^udp/ && proc = $6)) {
+	    protocol = $1
+	    addr = $4
+	    port = a[split(addr, a, ":")]
+	    name = p[split(proc, p, "/")]
+	    names[name] = 1
+	    protocols[protocol] = 1
+	    if (!seen[protocol, name, port]++)
+		ports[protocol, name, ++seen[protocol, name]] = port
+	}
+
+	END {
+	    for (protocol in protocols) {
+		printf "%s%s\t", indent, toupper(protocol)
+		for (name in names) {
+		    if (n = seen[protocol, name]) {
+			sep = ""
+			printf "%s:", name
+			for (i = 1; i <= n; i++) {
+			    printf "%s%d", sep, ports[protocol, name, i]
+			    sep = ","
+			}
+			printf "  "
+		    }
+		}
+		printf "\n"
+	    }
+	}'
 
     echo "${indent_unit}<->"
 
@@ -607,21 +674,79 @@ motd() {
     | sort -u \
     | xargs \
     | column -t
+
+    # TODO: iptables summary
 }
 
-ssh_invalid_attempts_from() {
+ssh_invalid_by_addr() {
     awk '
         /: Invalid user/ && $5 ~ /^sshd/ {
-            u=$8
             addr=$10 == "port" ? $9 : $10
             max++
-            curr[addr]++
+            by_addr[addr]++
         }
 
         END {
-            for (addr in curr)
-                if ((c = curr[addr]) > 1)
-                    print c, max, addr
+            for (addr in by_addr)
+                if ((c = by_addr[addr]) > 1)
+                    printf "%d %d %s\n", c, max, addr
+        }
+        ' \
+        /var/log/auth.log \
+        /var/log/auth.log.1 \
+    | sort -n -k 1 \
+    | bar_gauge -v width="$(stty size | awk '{print $2}')" -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \
+    | column -t
+}
+
+ssh_invalid_by_day() {
+    awk '
+	BEGIN {
+	    m["Jan"] = "01"
+	    m["Feb"] = "02"
+	    m["Mar"] = "03"
+	    m["Apr"] = "04"
+	    m["May"] = "05"
+	    m["Jun"] = "06"
+	    m["Jul"] = "07"
+	    m["Aug"] = "08"
+	    m["Sep"] = "09"
+	    m["Oct"] = "10"
+	    m["Nov"] = "11"
+	    m["Dec"] = "12"
+	}
+
+	/: Invalid user/ && $5 ~ /^sshd/ {
+	    day = m[$1] "-" $2
+	    max++
+	    by_day[day]++
+	}
+
+	END {
+	    for (day in by_day)
+		if ((c = by_day[day]) > 1)
+		    printf "%d %d %s\n", c, max, day
+	}
+        ' \
+        /var/log/auth.log \
+        /var/log/auth.log.1 \
+    | sort -n -k 1 \
+    | bar_gauge -v width="$(stty size | awk '{print $2}')" -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \
+    | column -t
+}
+
+ssh_invalid_by_user() {
+    awk '
+        /: Invalid user/ && $5 ~ /^sshd/ {
+            user=$8
+            max++
+            by_user[user]++
+        }
+
+        END {
+            for (user in by_user)
+                if ((c = by_user[user]) > 1)
+                    printf "%d %d %s\n", c, max, user
         }
         ' \
         /var/log/auth.log \
@@ -637,7 +762,7 @@ loggers() {
             split($5, prog, "[")
             sub(":$", "", prog[1]) # if there were no [], than : will is left behind
             print prog[1]
-        }' /var/log/syslog \
+        }' /var/log/syslog /var/log/syslog.1 \
     | awk '
         {
             n = split($1, path, "/")  # prog may be in path form
@@ -650,6 +775,7 @@ loggers() {
             for (prog in count)
                 print count[prog], total, prog
         }' \
+    | sort -n -k 1 \
     | bar_gauge -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \
     | column -t
 }