Retab
authorSiraaj Khandkar <siraaj@khandkar.net>
Mon, 14 Feb 2022 14:11:00 +0000 (09:11 -0500)
committerSiraaj Khandkar <siraaj@khandkar.net>
Mon, 14 Feb 2022 14:11:00 +0000 (09:11 -0500)
home/lib/login_functions.sh

index d5bd5dd..a0738d9 100644 (file)
@@ -3,24 +3,24 @@
 ## p : string -> unit
 p() {
     awk \
-       -v _s="$1" \
-       '
-           BEGIN {_s = tolower(_s)}
-
-           /^[a-zA-Z]/ && tolower($1) ~ _s && NF >= 2 {
-               n++
-               s = $1
-               p = $NF
-               if (NF == 2) {
-                   e = ""
-                   u = ""
-               } else if (NF == 3) {
-                   e = $2
-                   u = ""
-               } else {
-                   e = $2
-                   u = $3
-               } # TODO What would NF > 4 mean?
+        -v _s="$1" \
+        '
+            BEGIN {_s = tolower(_s)}
+
+            /^[a-zA-Z]/ && tolower($1) ~ _s && NF >= 2 {
+                n++
+                s = $1
+                p = $NF
+                if (NF == 2) {
+                    e = ""
+                    u = ""
+                } else if (NF == 3) {
+                    e = $2
+                    u = ""
+                } else {
+                    e = $2
+                    u = $3
+                } # TODO What would NF > 4 mean?
 
                 printf("%d [O] s:\"%s\", e:\"%s\", u:\"%s\"\n", n, s, e, u) > "/dev/stderr"
                 if (match(u, "@")) {
@@ -30,11 +30,11 @@ p() {
                     printf("%d [C] s:\"%s\", e:\"%s\", u:\"%s\"\n", n, s, e, u) > "/dev/stderr"
                 }
 
-               printf "%s", p # XXX Intentionally avoiding newline in the result.
-           }
-       ' \
-       ~/._p/p \
-       | xsel -i -b -t 30000
+                printf "%s", p # XXX Intentionally avoiding newline in the result.
+            }
+        ' \
+        ~/._p/p \
+        | xsel -i -b -t 30000
 }
 
 ## web search
@@ -699,33 +699,33 @@ status() {
     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"
-           }
-       }'
+            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}<->"
 
@@ -763,32 +763,32 @@ ssh_invalid_by_addr() {
 
 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
-       }
+        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 \
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