| 1 | # |
| 2 | |
| 3 | d() { |
| 4 | local -r word=$(fzf < /usr/share/dict/words) |
| 5 | dict "$word" |
| 6 | } |
| 7 | |
| 8 | shell_activity_report() { |
| 9 | # TODO: optional concrete number output |
| 10 | # TODO: optional combinations of granularities: hour, weekday, month, year |
| 11 | local group_by="$1" |
| 12 | case "$group_by" in |
| 13 | 'mon') ;; |
| 14 | 'dow') ;; |
| 15 | '') group_by='dow';; |
| 16 | *) |
| 17 | echo "Usage: $0 [mon|dow]" >&2 |
| 18 | kill -INT $$ |
| 19 | esac |
| 20 | history \ |
| 21 | | awk -v group_by="$group_by" ' |
| 22 | function date2dow(y, m, d, _t, _i) { |
| 23 | # Contract: |
| 24 | # y > 1752, 1 <= m <= 12. |
| 25 | # Source: |
| 26 | # Sakamoto`s methods |
| 27 | # https://en.wikipedia.org/wiki/Determination_of_the_day_of_the_week#Sakamoto%27s_methods |
| 28 | _t[ 0] = 0 |
| 29 | _t[ 1] = 3 |
| 30 | _t[ 2] = 2 |
| 31 | _t[ 3] = 5 |
| 32 | _t[ 4] = 0 |
| 33 | _t[ 5] = 3 |
| 34 | _t[ 6] = 5 |
| 35 | _t[ 7] = 1 |
| 36 | _t[ 8] = 4 |
| 37 | _t[ 9] = 6 |
| 38 | _t[10] = 2 |
| 39 | _t[11] = 4 |
| 40 | y -= m < 3 |
| 41 | _i = int(y + y/4 - y/100 + y/400 + _t[m - 1] + d) % 7 |
| 42 | _i = _i == 0 ? 7 : _i # Make Sunday last |
| 43 | return _i |
| 44 | |
| 45 | } |
| 46 | |
| 47 | { |
| 48 | # NOTE: $2 & $3 are specific to oh-my-zsh history output |
| 49 | date = $2 |
| 50 | time = $3 |
| 51 | d_fields = split(date, d, "-") |
| 52 | t_fields = split(time, t, ":") |
| 53 | if (t_fields && d_fields) { |
| 54 | # +0 to coerce number from string |
| 55 | year = d[1] + 0 |
| 56 | month = d[2] + 0 |
| 57 | day = d[3] + 0 |
| 58 | hour = t[1] + 0 |
| 59 | dow = date2dow(year, month, day) |
| 60 | g = group_by == "mon" ? month : dow # dow is default |
| 61 | c = count[g, hour]++ |
| 62 | } |
| 63 | if (c > max) |
| 64 | max = c |
| 65 | } |
| 66 | |
| 67 | END { |
| 68 | w[1] = "Monday" |
| 69 | w[2] = "Tuesday" |
| 70 | w[3] = "Wednesday" |
| 71 | w[4] = "Thursday" |
| 72 | w[5] = "Friday" |
| 73 | w[6] = "Saturday" |
| 74 | w[7] = "Sunday" |
| 75 | |
| 76 | m[ 1] = "January" |
| 77 | m[ 2] = "February" |
| 78 | m[ 3] = "March" |
| 79 | m[ 4] = "April" |
| 80 | m[ 5] = "May" |
| 81 | m[ 6] = "June" |
| 82 | m[ 7] = "July" |
| 83 | m[ 8] = "August" |
| 84 | m[ 9] = "September" |
| 85 | m[10] = "October" |
| 86 | m[11] = "November" |
| 87 | m[12] = "December" |
| 88 | |
| 89 | n = group_by == "mon" ? 12 : 7 # dow is default |
| 90 | |
| 91 | for (gid = 1; gid <= n; gid++) { |
| 92 | group = group_by == "mon" ? m[gid] : w[gid] |
| 93 | printf "%s\n", group; |
| 94 | for (hour=0; hour<24; hour++) { |
| 95 | c = count[gid, hour] |
| 96 | printf " %2d ", hour |
| 97 | for (i = 1; i <= (c * 100) / max; i++) |
| 98 | printf "|" |
| 99 | printf "\n" |
| 100 | } |
| 101 | } |
| 102 | }' |
| 103 | } |
| 104 | |
| 105 | top_commands() { |
| 106 | history \ |
| 107 | | awk ' |
| 108 | { |
| 109 | count[$4]++ |
| 110 | } |
| 111 | |
| 112 | END { |
| 113 | for (cmd in count) |
| 114 | print count[cmd], cmd |
| 115 | }' \ |
| 116 | | sort -n -r -k 1 \ |
| 117 | | head -50 \ |
| 118 | | awk ' |
| 119 | { |
| 120 | cmd[NR] = $2 |
| 121 | c = count[NR] = $1 + 0 # + 0 to coerce number from string |
| 122 | if (c > max) |
| 123 | max = c |
| 124 | } |
| 125 | |
| 126 | END { |
| 127 | for (i = 1; i <= NR; i++) { |
| 128 | c = count[i] |
| 129 | printf "%s %d ", cmd[i], c |
| 130 | scaled = (c * 100) / max |
| 131 | for (j = 1; j <= scaled; j++) |
| 132 | printf "|" |
| 133 | printf "\n" |
| 134 | } |
| 135 | }' \ |
| 136 | | column -t |
| 137 | } |
| 138 | |
| 139 | # Top Disk-Using directories |
| 140 | # TODO: Consider using numfmt instead of awk |
| 141 | tdu() { |
| 142 | du "$1" \ |
| 143 | | awk ' |
| 144 | { |
| 145 | size = $1 |
| 146 | path = $0 |
| 147 | sub("^" $1 "\t+", "", path) |
| 148 | paths[path] = size |
| 149 | if (size > max) |
| 150 | max = size |
| 151 | } |
| 152 | |
| 153 | END { |
| 154 | for (path in paths) { |
| 155 | size = paths[path] |
| 156 | pct = 100 * (size / max) |
| 157 | gb = size / 1024 / 1024 |
| 158 | printf("%6.2f %3d%% %s\n", gb, pct, path) |
| 159 | } |
| 160 | } |
| 161 | ' \ |
| 162 | | sort -r -n -k 1 \ |
| 163 | | head -50 \ |
| 164 | | tac |
| 165 | # A slight optimization: head can exit before traversing the full input. |
| 166 | } |
| 167 | |
| 168 | # Top Disk-Using Files |
| 169 | tduf() { |
| 170 | find "$1" -type f -printf '%s\t%p\0' \ |
| 171 | | sort -z -n -k 1 \ |
| 172 | | tail -z -n 50 \ |
| 173 | | gawk -v RS='\0' ' |
| 174 | { |
| 175 | size = $1 |
| 176 | path = $0 |
| 177 | sub("^" $1 "\t+", "", path) |
| 178 | gb = size / 1024 / 1024 / 1024 |
| 179 | printf("%f\t%s\n", gb, path) |
| 180 | }' |
| 181 | } |
| 182 | |
| 183 | # Most-recently modified file system objects |
| 184 | recent() { |
| 185 | # NOTES: |
| 186 | # - intentionally not quoting the parameters, so that some can be ignored |
| 187 | # if not passed, rather than be passed to find as an empty string; |
| 188 | # - %T+ is a GNU extension; |
| 189 | # - gawk is able to split records on \0, while awk cannot. |
| 190 | find $@ -printf '%T@ %T+ %p\0' \ |
| 191 | | tee >(gawk -v RS='\0' 'END { printf("[INFO] Total found: %d\n", NR); }') \ |
| 192 | | sort -z -k 1 -n -r \ |
| 193 | | head -n "$(stty size | awk 'NR == 1 {print $1 - 5}')" -z \ |
| 194 | | gawk -v RS='\0' ' |
| 195 | { |
| 196 | sub("^" $1 " +", "") # Remove epoch time |
| 197 | sub("+", " ") # Blank-out the default separator |
| 198 | sub("\\.[0-9]+", "") # Remove fractional seconds |
| 199 | print |
| 200 | }' |
| 201 | } |
| 202 | |
| 203 | recent_dirs() { |
| 204 | recent "$1" -type d |
| 205 | } |
| 206 | |
| 207 | recent_files() { |
| 208 | recent "$1" -type f |
| 209 | } |
| 210 | |
| 211 | pa_def_sink() { |
| 212 | pactl info | awk '/^Default Sink:/ {print $3}' |
| 213 | } |
| 214 | |
| 215 | void_pkgs() { |
| 216 | curl "https://xq-api.voidlinux.org/v1/query/x86_64?q=$1" | jq '.data' |
| 217 | } |
| 218 | |
| 219 | # Colorful man |
| 220 | man() { |
| 221 | # mb: begin blink |
| 222 | # md: begin bold |
| 223 | # me: end bold, blink and underline |
| 224 | # |
| 225 | # so: begin standout (reverse video) |
| 226 | # se: end standout |
| 227 | # |
| 228 | # us: begin underline |
| 229 | # ue: end underline |
| 230 | |
| 231 | LESS_TERMCAP_md=$'\e[01;30m' \ |
| 232 | LESS_TERMCAP_me=$'\e[0m' \ |
| 233 | LESS_TERMCAP_so=$'\e[01;44;33m' \ |
| 234 | LESS_TERMCAP_se=$'\e[0m' \ |
| 235 | LESS_TERMCAP_us=$'\e[01;33m' \ |
| 236 | LESS_TERMCAP_ue=$'\e[0m' \ |
| 237 | command man "$@" |
| 238 | } |
| 239 | |
| 240 | # new experiment |
| 241 | x() { |
| 242 | cd "$(~/bin/x $@)" || kill -INT $$ |
| 243 | } |
| 244 | |
| 245 | hump() { |
| 246 | ledit -l "$(stty size | awk '{print $2}')" ocaml $@ |
| 247 | } |
| 248 | |
| 249 | howto() { |
| 250 | cat "$(find ~/arc/doc/HOWTOs -mindepth 1 -maxdepth 1 | sort | fzf)" |
| 251 | } |
| 252 | |
| 253 | _yt() { |
| 254 | local -r base_dir="$1" |
| 255 | local -r uri="$2" |
| 256 | local -r opts="$3" |
| 257 | |
| 258 | local -r id=$(youtube-dlc --get-id "$uri") |
| 259 | local -r title=$(youtube-dlc --get-title "$uri" | sed 's/[^А-Яа-яA-Za-z0-9._-]/_/g') |
| 260 | local -r dir="${base_dir}/${title}--${id}" |
| 261 | |
| 262 | mkdir -p "$dir" |
| 263 | cd "$dir" || kill -INT $$ |
| 264 | echo "$uri" > 'uri' |
| 265 | youtube-dlc $opts -c --write-description --write-info-json "$uri" |
| 266 | } |
| 267 | |
| 268 | yt_audio() { |
| 269 | local -r uri="$1" |
| 270 | _yt "${DIR_YOUTUBE_AUDIO}/individual" "$uri" '-f 140' |
| 271 | } |
| 272 | |
| 273 | yt_video() { |
| 274 | local -r uri="$1" |
| 275 | _yt "${DIR_YOUTUBE_VIDEO}/individual" "$uri" |
| 276 | } |
| 277 | |
| 278 | gh_fetch_repos() { |
| 279 | local -r user_type="$1" |
| 280 | local -r user_name="$2" |
| 281 | |
| 282 | curl "https://api.github.com/$user_type/$user_name/repos?page=1&per_page=10000" |
| 283 | } |
| 284 | |
| 285 | gh_clone() { |
| 286 | local -r gh_user_type="$1" |
| 287 | local -r gh_user_name="$2" |
| 288 | |
| 289 | local -r gh_dir="${DIR_GITHUB}/${gh_user_name}" |
| 290 | mkdir -p "$gh_dir" |
| 291 | cd "$gh_dir" || kill -INT $$ |
| 292 | gh_fetch_repos "$gh_user_type" "$gh_user_name" \ |
| 293 | | jq --raw-output '.[] | select(.fork | not) | .git_url' \ |
| 294 | | parallel -j 25 \ |
| 295 | git clone {} |
| 296 | } |
| 297 | |
| 298 | gh_clone_user() { |
| 299 | gh_clone 'users' "$1" |
| 300 | } |
| 301 | |
| 302 | gh_clone_org() { |
| 303 | gh_clone 'orgs' "$1" |
| 304 | } |
| 305 | |
| 306 | gh_clone_repo() { |
| 307 | gh_username=$(echo "$1" | awk -F / '"$1 == "https" && $3 == github.com" {print $4}') |
| 308 | gh_dir="${DIR_GITHUB}/${gh_username}" |
| 309 | mkdir -p "$gh_dir" |
| 310 | cd "$gh_dir" || kill -INT $$ |
| 311 | git clone "$1" |
| 312 | } |
| 313 | |
| 314 | work_log_template() { |
| 315 | cat << EOF |
| 316 | $(date '+%F %A') |
| 317 | ========== |
| 318 | |
| 319 | Morning report |
| 320 | -------------- |
| 321 | |
| 322 | ### Prev |
| 323 | |
| 324 | ### Curr |
| 325 | |
| 326 | ### Next |
| 327 | |
| 328 | ### Blockers |
| 329 | |
| 330 | Day's notes |
| 331 | ----------- |
| 332 | EOF |
| 333 | } |
| 334 | |
| 335 | work_log() { |
| 336 | mkdir -p "$DIR_WORK_LOG" |
| 337 | local -r file_work_log_today="${DIR_WORK_LOG}/daily-$(date +%F).md" |
| 338 | if [ ! -f "$file_work_log_today" ] |
| 339 | then |
| 340 | work_log_template > "$file_work_log_today" |
| 341 | fi |
| 342 | vim -c 'set spell' "$file_work_log_today" |
| 343 | |
| 344 | } |
| 345 | |
| 346 | note() { |
| 347 | mkdir -p "$DIR_NOTES" |
| 348 | vim -c 'set spell' "$DIR_NOTES/$(date +'%Y_%m_%d--%H_%M_%S%z')--$1.md" |
| 349 | } |
| 350 | |
| 351 | weather() { |
| 352 | local _weather_location |
| 353 | case "$1" in |
| 354 | '') _weather_location="$WEATHER_LOCATION";; |
| 355 | *) _weather_location="$1" |
| 356 | esac |
| 357 | curl "http://wttr.in/$_weather_location?format=v2" |
| 358 | } |
| 359 | |
| 360 | _bt_devs_infos() { |
| 361 | # grep's defintion of a line does not include \r, wile awk's does and |
| 362 | # which bluetoothctl outputs |
| 363 | awk '/^Device +/ {print $2}' \ |
| 364 | | xargs -I% sh -c 'echo info % | bluetoothctl' \ |
| 365 | | awk '/^Device |^\t[A-Z][A-Za-z0-9]+: /' |
| 366 | } |
| 367 | |
| 368 | bt_devs_paired() { |
| 369 | echo 'paired-devices' | bluetoothctl | _bt_devs_infos |
| 370 | } |
| 371 | |
| 372 | bt_devs() { |
| 373 | echo 'devices' | bluetoothctl | _bt_devs_infos |
| 374 | } |
| 375 | |
| 376 | run() { |
| 377 | local -r stderr="$(mktemp)" |
| 378 | |
| 379 | local code urgency |
| 380 | |
| 381 | $@ 2> >(tee "$stderr") |
| 382 | code="$?" |
| 383 | case "$code" in |
| 384 | 0) urgency='normal';; |
| 385 | *) urgency='critical' |
| 386 | esac |
| 387 | notify-send -u "$urgency" "Job done: $code" "$(cat $stderr)" |
| 388 | rm "$stderr" |
| 389 | } |
| 390 | |
| 391 | bar_gauge() { |
| 392 | awk "$@" ' |
| 393 | BEGIN { |
| 394 | # CLI options |
| 395 | width = width ? width : 80 |
| 396 | ch_left = ch_left ? ch_left : "[" |
| 397 | ch_right = ch_right ? ch_right : "]" |
| 398 | ch_blank = ch_blank ? ch_blank : "-" |
| 399 | ch_used = ch_used ? ch_used : "|" |
| 400 | num = num ? 1 : 0 |
| 401 | pct = pct ? 1 : 0 |
| 402 | } |
| 403 | |
| 404 | { |
| 405 | cur = $1 |
| 406 | max = $2 |
| 407 | lab = $3 |
| 408 | |
| 409 | cur_scaled = num_scale(cur, max, 1, width) |
| 410 | |
| 411 | printf \ |
| 412 | "%s%s%s%s", \ |
| 413 | lab ? lab " " : "", \ |
| 414 | num ? cur "/" max " " : "", \ |
| 415 | pct ? sprintf("%3.0f%% ", cur / max * 100) : "", \ |
| 416 | ch_left |
| 417 | for (i=1; i<=width; i++) { |
| 418 | c = i <= cur_scaled ? ch_used : ch_blank |
| 419 | printf "%s", c |
| 420 | } |
| 421 | printf "%s\n", ch_right |
| 422 | } |
| 423 | |
| 424 | function num_scale(src_cur, src_max, dst_min, dst_max) { |
| 425 | return dst_min + ((src_cur * (dst_max - dst_min)) / src_max) |
| 426 | } |
| 427 | ' |
| 428 | } |
| 429 | |
| 430 | flat_top_5() { |
| 431 | sort -n -k 1 -r \ |
| 432 | | head -5 \ |
| 433 | | awk ' |
| 434 | { |
| 435 | cur = $1 |
| 436 | max = $2 |
| 437 | name = $3 |
| 438 | pct = cur / max * 100 |
| 439 | printf "%s%s %.2f%%", sep, name, pct |
| 440 | sep = ", " |
| 441 | } |
| 442 | |
| 443 | END {printf "\n"} |
| 444 | ' |
| 445 | } |
| 446 | |
| 447 | internet_addr() { |
| 448 | curl --silent --show-error --max-time "${1:=1}" 'https://api.ipify.org' 2>&1 |
| 449 | } |
| 450 | |
| 451 | status_batt() { |
| 452 | case "$(uname)" in |
| 453 | 'Linux') |
| 454 | if which upower > /dev/null |
| 455 | then |
| 456 | upower --dump \ |
| 457 | | awk ' |
| 458 | /^Device:[ \t]+/ { |
| 459 | device["path"] = $2 |
| 460 | next |
| 461 | } |
| 462 | |
| 463 | / battery/ && device["path"] { |
| 464 | device["is_battery"] = 1 |
| 465 | next |
| 466 | } |
| 467 | |
| 468 | / percentage:/ && device["is_battery"] { |
| 469 | device["battery_percentage"] = $2 |
| 470 | sub("%$", "", device["battery_percentage"]) |
| 471 | next |
| 472 | } |
| 473 | |
| 474 | /^$/ { |
| 475 | if (device["is_battery"] && device["path"] == "/org/freedesktop/UPower/devices/DisplayDevice") |
| 476 | print device["battery_percentage"], 100, "batt" |
| 477 | delete device |
| 478 | } |
| 479 | ' |
| 480 | fi |
| 481 | ;; |
| 482 | esac |
| 483 | } |
| 484 | |
| 485 | indent() { |
| 486 | awk -v unit="$1" '{printf "%s%s\n", unit, $0}' |
| 487 | } |
| 488 | |
| 489 | status() { |
| 490 | local -r indent_unit=' ' |
| 491 | |
| 492 | uname -srvmo |
| 493 | hostname | figlet |
| 494 | uptime |
| 495 | |
| 496 | echo |
| 497 | |
| 498 | echo 'accounting' |
| 499 | |
| 500 | printf '%stmux\n%ssessions %d, clients %d\n' \ |
| 501 | "$indent_unit" \ |
| 502 | "${indent_unit}${indent_unit}" \ |
| 503 | "$(tmux list-sessions 2> /dev/null | wc -l)" \ |
| 504 | "$(tmux list-clients 2> /dev/null | wc -l)" |
| 505 | |
| 506 | echo |
| 507 | |
| 508 | printf '%sprocs by user\n' "${indent_unit}" |
| 509 | ps -eo user \ |
| 510 | | awk ' |
| 511 | NR > 1 { |
| 512 | count_by_user[$1]++ |
| 513 | total++ |
| 514 | } |
| 515 | |
| 516 | END { |
| 517 | for (user in count_by_user) |
| 518 | print count_by_user[user], total, user |
| 519 | } |
| 520 | ' \ |
| 521 | | flat_top_5 \ |
| 522 | | indent "${indent_unit}${indent_unit}" |
| 523 | |
| 524 | echo |
| 525 | |
| 526 | echo 'resources' |
| 527 | ( |
| 528 | free | awk '$1 == "Mem:" {print $3, $2, "mem"}' |
| 529 | df ~ | awk 'NR == 2 {print $3, $3 + $4, "disk"}' |
| 530 | status_batt |
| 531 | ) \ |
| 532 | | bar_gauge -v width=60 -v pct=1 \ |
| 533 | | column -t \ |
| 534 | | indent "$indent_unit" |
| 535 | |
| 536 | echo |
| 537 | |
| 538 | printf '%smem by proc\n' "$indent_unit" |
| 539 | ps -eo rss,cmd \ |
| 540 | | awk -v total="$(free | awk '$1 == "Mem:" {print $2; exit}')" ' |
| 541 | NR > 1 { |
| 542 | rss = $1 |
| 543 | cmd = $2 |
| 544 | n = split(cmd, path, "/") # _may_ be a path |
| 545 | proc = path[n] |
| 546 | by_proc[proc] += rss |
| 547 | } |
| 548 | |
| 549 | END { |
| 550 | for (proc in by_proc) |
| 551 | print by_proc[proc], total, proc |
| 552 | } |
| 553 | ' \ |
| 554 | | flat_top_5 \ |
| 555 | | indent "${indent_unit}${indent_unit}" |
| 556 | |
| 557 | echo |
| 558 | |
| 559 | local _dir temp_input label_file label |
| 560 | |
| 561 | printf '%sthermal\n' "$indent_unit" |
| 562 | for _dir in /sys/class/hwmon/hwmon*; do |
| 563 | cat "$_dir"/name |
| 564 | find "$_dir"/ -name 'temp*_input' \ |
| 565 | | while read -r temp_input; do |
| 566 | label_file=${temp_input//_input/_label} |
| 567 | if [ -f "$label_file" ]; then |
| 568 | label=$(< "$label_file") |
| 569 | else |
| 570 | label='' |
| 571 | fi |
| 572 | awk -v label="$label" '{ |
| 573 | if (label) |
| 574 | label = sprintf(" (%s)", label) |
| 575 | printf("%.2f°C%s\n", $1 / 1000, label) |
| 576 | }' \ |
| 577 | "$temp_input" |
| 578 | done \ |
| 579 | | sort \ |
| 580 | | indent "$indent_unit" |
| 581 | done \ |
| 582 | | indent "${indent_unit}${indent_unit}" |
| 583 | |
| 584 | echo 'net' |
| 585 | #local -r internet_addr=$(internet_addr 0.5) |
| 586 | #local -r internet_ptr=$(host -W 1 "$internet_addr" | awk 'NR == 1 {print $NF}' ) |
| 587 | |
| 588 | #echo "${indent_unit}internet" |
| 589 | #echo "${indent_unit}${indent_unit}$internet_addr $internet_ptr" |
| 590 | echo "${indent_unit}if" |
| 591 | (ifconfig; iwconfig) 2> /dev/null \ |
| 592 | | awk ' |
| 593 | /^[^ ]/ { |
| 594 | device = $1 |
| 595 | sub(":$", "", device) |
| 596 | if ($4 ~ "ESSID:") { |
| 597 | _essid = $4 |
| 598 | sub("^ESSID:\"", "", _essid) |
| 599 | sub("\"$", "", _essid) |
| 600 | essid[device] = _essid |
| 601 | } |
| 602 | next |
| 603 | } |
| 604 | |
| 605 | /^ / && $1 == "inet" { |
| 606 | address[device] = $2 |
| 607 | next |
| 608 | } |
| 609 | |
| 610 | /^ +Link Quality=[0-9]+\/[0-9]+ +Signal level=/ { |
| 611 | split($2, lq_parts_eq, "=") |
| 612 | split(lq_parts_eq[2], lq_parts_slash, "/") |
| 613 | cur = lq_parts_slash[1] |
| 614 | max = lq_parts_slash[2] |
| 615 | link[device] = cur / max * 100 |
| 616 | next |
| 617 | } |
| 618 | |
| 619 | END { |
| 620 | for (device in address) |
| 621 | if (device != "lo") { |
| 622 | l = link[device] |
| 623 | e = essid[device] |
| 624 | l = l ? sprintf("%.0f%%", l) : "--" |
| 625 | e = e ? e : "--" |
| 626 | print device, address[device], e, l |
| 627 | } |
| 628 | } |
| 629 | ' \ |
| 630 | | column -t \ |
| 631 | | indent "${indent_unit}${indent_unit}" |
| 632 | |
| 633 | # WARN: ensure: $USER ALL=(ALL) NOPASSWD:/bin/netstat |
| 634 | |
| 635 | echo "${indent_unit}-->" |
| 636 | |
| 637 | sudo -n netstat -tulnp \ |
| 638 | | awk -v indent="${indent_unit}${indent_unit}" ' |
| 639 | NR > 2 && ((/^tcp/ && proc = $7) || (/^udp/ && proc = $6)) { |
| 640 | protocol = $1 |
| 641 | addr = $4 |
| 642 | port = a[split(addr, a, ":")] |
| 643 | name = p[split(proc, p, "/")] |
| 644 | names[name] = 1 |
| 645 | protocols[protocol] = 1 |
| 646 | if (!seen[protocol, name, port]++) |
| 647 | ports[protocol, name, ++seen[protocol, name]] = port |
| 648 | } |
| 649 | |
| 650 | END { |
| 651 | for (protocol in protocols) { |
| 652 | printf "%s%s\t", indent, toupper(protocol) |
| 653 | for (name in names) { |
| 654 | if (n = seen[protocol, name]) { |
| 655 | sep = "" |
| 656 | printf "%s:", name |
| 657 | for (i = 1; i <= n; i++) { |
| 658 | printf "%s%d", sep, ports[protocol, name, i] |
| 659 | sep = "," |
| 660 | } |
| 661 | printf " " |
| 662 | } |
| 663 | } |
| 664 | printf "\n" |
| 665 | } |
| 666 | }' |
| 667 | |
| 668 | echo "${indent_unit}<->" |
| 669 | |
| 670 | printf '%sTCP\t' "${indent_unit}${indent_unit}" |
| 671 | sudo -n netstat -tnp \ |
| 672 | | awk 'NR > 2 && $6 == "ESTABLISHED" {print $7}' \ |
| 673 | | awk '{sub("^[0-9]+/", ""); print}' \ |
| 674 | | sort -u \ |
| 675 | | xargs \ |
| 676 | | column -t |
| 677 | |
| 678 | # TODO: iptables summary |
| 679 | } |
| 680 | |
| 681 | ssh_invalid_by_addr() { |
| 682 | awk ' |
| 683 | /: Invalid user/ && $5 ~ /^sshd/ { |
| 684 | addr=$10 == "port" ? $9 : $10 |
| 685 | max++ |
| 686 | by_addr[addr]++ |
| 687 | } |
| 688 | |
| 689 | END { |
| 690 | for (addr in by_addr) |
| 691 | if ((c = by_addr[addr]) > 1) |
| 692 | printf "%d %d %s\n", c, max, addr |
| 693 | } |
| 694 | ' \ |
| 695 | /var/log/auth.log \ |
| 696 | /var/log/auth.log.1 \ |
| 697 | | sort -n -k 1 \ |
| 698 | | bar_gauge -v width="$(stty size | awk '{print $2}')" -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \ |
| 699 | | column -t |
| 700 | } |
| 701 | |
| 702 | ssh_invalid_by_day() { |
| 703 | awk ' |
| 704 | BEGIN { |
| 705 | m["Jan"] = "01" |
| 706 | m["Feb"] = "02" |
| 707 | m["Mar"] = "03" |
| 708 | m["Apr"] = "04" |
| 709 | m["May"] = "05" |
| 710 | m["Jun"] = "06" |
| 711 | m["Jul"] = "07" |
| 712 | m["Aug"] = "08" |
| 713 | m["Sep"] = "09" |
| 714 | m["Oct"] = "10" |
| 715 | m["Nov"] = "11" |
| 716 | m["Dec"] = "12" |
| 717 | } |
| 718 | |
| 719 | /: Invalid user/ && $5 ~ /^sshd/ { |
| 720 | day = m[$1] "-" $2 |
| 721 | max++ |
| 722 | by_day[day]++ |
| 723 | } |
| 724 | |
| 725 | END { |
| 726 | for (day in by_day) |
| 727 | if ((c = by_day[day]) > 1) |
| 728 | printf "%d %d %s\n", c, max, day |
| 729 | } |
| 730 | ' \ |
| 731 | /var/log/auth.log \ |
| 732 | /var/log/auth.log.1 \ |
| 733 | | sort -k 3 \ |
| 734 | | bar_gauge -v width="$(stty size | awk '{print $2}')" -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \ |
| 735 | | column -t |
| 736 | } |
| 737 | |
| 738 | ssh_invalid_by_user() { |
| 739 | awk ' |
| 740 | /: Invalid user/ && $5 ~ /^sshd/ { |
| 741 | user=$8 |
| 742 | max++ |
| 743 | by_user[user]++ |
| 744 | } |
| 745 | |
| 746 | END { |
| 747 | for (user in by_user) |
| 748 | if ((c = by_user[user]) > 1) |
| 749 | printf "%d %d %s\n", c, max, user |
| 750 | } |
| 751 | ' \ |
| 752 | /var/log/auth.log \ |
| 753 | /var/log/auth.log.1 \ |
| 754 | | sort -n -k 1 \ |
| 755 | | bar_gauge -v width="$(stty size | awk '{print $2}')" -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \ |
| 756 | | column -t |
| 757 | } |
| 758 | |
| 759 | loggers() { |
| 760 | awk ' |
| 761 | { |
| 762 | split($5, prog, "[") |
| 763 | sub(":$", "", prog[1]) # if there were no [], than : will is left behind |
| 764 | print prog[1] |
| 765 | }' /var/log/syslog /var/log/syslog.1 \ |
| 766 | | awk ' |
| 767 | { |
| 768 | n = split($1, path, "/") # prog may be in path form |
| 769 | prog = path[n] |
| 770 | total++ |
| 771 | count[prog]++ |
| 772 | } |
| 773 | |
| 774 | END { |
| 775 | for (prog in count) |
| 776 | print count[prog], total, prog |
| 777 | }' \ |
| 778 | | sort -n -k 1 \ |
| 779 | | bar_gauge -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \ |
| 780 | | column -t |
| 781 | } |