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средства_программирования_shell [2022/09/22 21:26] val [Web сервер на shell] |
средства_программирования_shell [2024/03/12 17:27] val [Web сервер на shell] |
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===== Проверка синтаксиса ===== | ===== Проверка синтаксиса ===== | ||
+ | |||
+ | * [[https://www.shellcheck.net/wiki/]] | ||
+ | |||
<code> | <code> | ||
# apt install shellcheck | # apt install shellcheck | ||
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==== Целочисленный цикл (поиск хостов в подсети) ==== | ==== Целочисленный цикл (поиск хостов в подсети) ==== | ||
+ | |||
+ | * [[Утилита nmap#Ping диапазона адресов с verbose и debug]] | ||
+ | |||
<code> | <code> | ||
$ cat test_ping.sh | $ cat test_ping.sh | ||
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#!/bin/sh | #!/bin/sh | ||
- | test -z $1 && exit 1 | + | #test -z $1 && exit 1 |
+ | #[ "$1" ] || { echo Example: ./test_ping.sh 10.5.11; exit 1; } | ||
i=1 | i=1 | ||
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* [[Сервис HTTP]] | * [[Сервис HTTP]] | ||
+ | * [[Переменные окружения#Чтение значений переменных окружения]] | ||
<code> | <code> | ||
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#!/bin/bash | #!/bin/bash | ||
base=/var/www | base=/var/www | ||
- | log=/var/log/webd.log | + | #log=/var/log/webd.log |
read request | read request | ||
- | #echo $request >> $log | + | ##echo "$request" >> $log # for educational demonstration |
+ | |||
+ | filename="${request#GET }" | ||
+ | filename="${filename% HTTP/*}" | ||
+ | |||
+ | test $filename = "/" && filename="/index.html" | ||
+ | |||
+ | filename="$base$filename" | ||
while : | while : | ||
do | do | ||
read -r header | read -r header | ||
- | # echo $header >> $log | + | ## echo "$header" >> $log # for educational demonstration |
[ "$header" == $'\r' ] && break; | [ "$header" == $'\r' ] && break; | ||
+ | ## [ "$header" == $'' ] && break; # for STDIN/STDOUT educational demonstration | ||
done | done | ||
- | |||
- | url="${request#GET }" | ||
- | url="${url% HTTP/*}" | ||
- | |||
- | test $url = "/" && url="/index.html" | ||
- | |||
- | filename="$base$url" | ||
if [ -e "$filename" ] | if [ -e "$filename" ] | ||
then | then | ||
- | echo `date` OK $url >> $log | + | # echo `date` OK $filename on `hostname` >> $log |
echo -e "HTTP/1.1 200 OK\r" | echo -e "HTTP/1.1 200 OK\r" | ||
echo -e "Content-Type: $(/usr/bin/file -bi \"$filename\")\r" | echo -e "Content-Type: $(/usr/bin/file -bi \"$filename\")\r" | ||
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/bin/cat "$filename" | /bin/cat "$filename" | ||
else | else | ||
- | echo "$(date)" ERR $url >> $log | + | # echo "$(date)" ERR $filename on "$(hostname)" >> "$log" |
echo -e "HTTP/1.1 404 Not Found\r" | echo -e "HTTP/1.1 404 Not Found\r" | ||
echo -e "Content-Type: text/html;\r" | echo -e "Content-Type: text/html;\r" | ||
echo -e "\r" | echo -e "\r" | ||
- | ip=$(cat /proc/net/fib_trie | awk '/32 host/ { print f } {f=$2}' | sort -u | grep -v 127.0.0.1) | + | echo -e "<h1>File $filename Not Found</h1>" |
- | echo -e "<h1>$url Not Found in container $(hostname) with ip $ip</h1>" | + | # ip=$(awk '/32 host/ { print f } {f=$2}' /proc/net/fib_trie | sort -u | grep -v 127.0.0.1) |
- | echo "ver 1.1" | + | # echo -e "Host: $(hostname), IP: $ip, ver 1.1" |
fi | fi | ||
</code> | </code> | ||
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==== Использование диалоговых окон ==== | ==== Использование диалоговых окон ==== | ||
+ | |||
+ | <code> | ||
+ | ansible-pull-gpo# cat start.sh | ||
+ | </code><code> | ||
+ | #!/bin/bash | ||
+ | |||
+ | on_off() { | ||
+ | grep -q "$1" "$2" && echo ON || echo OFF | ||
+ | } | ||
+ | |||
+ | if [ -z ${BR+x} ]; then echo -e "Variable BR (branch) is not set, specify, for example\nexport BR=master"; exit 1; fi | ||
+ | |||
+ | apt update || exit 0 | ||
+ | |||
+ | apt install dialog ansible git -y | ||
+ | |||
+ | GP_OP_FILE=/usr/local/etc/gpo_options.yml | ||
+ | GP_EX_FILE=/usr/local/bin/ansible-pull-gpo.sh | ||
+ | |||
+ | TEMP_FILE=$(mktemp -t 'XXXX') | ||
+ | |||
+ | touch "$GP_OP_FILE" | ||
+ | |||
+ | dialog --title "Configurations, Roles and Programs" --clear --nocancel\ | ||
+ | --checklist "Choose Options" 19 56 15 \ | ||
+ | CONF_RUS_INT: "Russian Interface" "$(on_off CONF_RUS_INT "$GP_OP_FILE")" \ | ||
+ | PROG_THBIRD: "Mail client Thunderbird" "$(on_off PROG_THBIRD "$GP_OP_FILE")" \ | ||
+ | ROLE_ZAB_AG: "Zabbix Agent" "$(on_off ROLE_ZAB_AG "$GP_OP_FILE")" \ | ||
+ | ROLE_OVPN1_CL: "OpenVPN Client" "$(on_off ROLE_OVPN1_CL "$GP_OP_FILE")" \ | ||
+ | 2>"$TEMP_FILE" | ||
+ | |||
+ | < "$TEMP_FILE" tr " " "\n" > "$GP_OP_FILE" | ||
+ | |||
+ | rm "$TEMP_FILE" | ||
+ | |||
+ | echo -e "\nEND:" >> "$GP_OP_FILE" | ||
+ | |||
+ | echo "/usr/bin/ansible-pull -U http://server.corpX.un/student/ansible-pull-gpo.git -C $BR -e @$GP_OP_FILE" > "$GP_EX_FILE" | ||
+ | |||
+ | chmod +x "$GP_EX_FILE" | ||
+ | |||
+ | ##exit 0 | ||
+ | |||
+ | echo -e "0 */2 * * * sleep \${RANDOM:0:2}m; $GP_EX_FILE\n@reboot sleep 3m; $GP_EX_FILE" | crontab - | ||
+ | |||
+ | "$GP_EX_FILE" | ||
+ | |||
+ | #apt upgrade -y | ||
+ | |||
+ | #reboot | ||
+ | </code> | ||
=== Использование программы whiptail (Linux) === | === Использование программы whiptail (Linux) === |