List CLI options explicitly

[khome.git] / home / lib / login_functions.sh

diff --git a/home/lib/login_functions.sh b/home/lib/login_functions.sh
index 243f15f..293e7b4 100644 (file)
--- a/home/lib/login_functions.sh
+++ b/home/lib/login_functions.sh
@@ -375,10 +375,13 @@ run() {
 bar_gauge() {
     awk "$@" '
         BEGIN {
+            # CLI options
             ch_left  = ch_left  ? ch_left  : "["
             ch_right = ch_right ? ch_right : "]"
             ch_blank = ch_blank ? ch_blank : "-"
             ch_used  = ch_used  ? ch_used  : "|"
+            num      = num      ? 1        : 0
+            pct      = pct      ? 1        : 0
         }
 
         {
@@ -389,9 +392,10 @@ bar_gauge() {
             cur_scaled = num_scale(cur, max, 1, width)
 
             printf \
-                "%s%s%s", \
+                "%s%s%s%s", \
                 lab ? lab         " " : "", \
                 num ? cur "/" max " " : "", \
+                pct ? sprintf("%3.0f%% ", cur / max * 100) : "", \
                 ch_left
             for (i=1; i<=width; i++) {
                 c = i <= cur_scaled ? ch_used : ch_blank
@@ -463,7 +467,7 @@ motd() {
         df ~ | awk 'NR == 2 {print $3, $3 + $4, "disk"}'
         motd_batt
     ) \
-    | bar_gauge -v width="$bar_width" \
+    | bar_gauge -v width="$bar_width" -v pct=1 \
     | column -t \
     | indent "$indent_unit"
 
@@ -569,3 +573,25 @@ motd() {
     | column -t \
     | indent "${indent_unit}"
 }
+
+ssh_invalid_attempts_from() {
+    awk '
+        /: Invalid user/ && $5 ~ /^sshd/ {
+            u=$8
+            addr=$10 == "port" ? $9 : $10
+            max++
+            curr[addr]++
+        }
+
+        END {
+            for (addr in curr)
+                if ((c = curr[addr]) > 1)
+                    print c, max, addr
+        }
+        ' \
+        /var/log/auth.log \
+        /var/log/auth.log.1 \
+    | sort -n -k 1 \
+    | bar_gauge -v width="$(stty size | awk '{print $2}')" -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \
+    | column -t
+}