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средства_программирования_shell [2024/04/11 12:41] val [Web сервер на shell] |
средства_программирования_shell [2025/10/19 07:52] (current) val [Ресурсы Web сервера на shell] |
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| * [[http://mywiki.wooledge.org/BashFAQ|Часто задаваемые вопросы про bash (eng)]] | * [[http://mywiki.wooledge.org/BashFAQ|Часто задаваемые вопросы про bash (eng)]] | ||
| * [[https://habrahabr.ru/post/335960/|Играючи BASH'им]] | * [[https://habrahabr.ru/post/335960/|Играючи BASH'им]] | ||
| + | * [[https://unix.stackexchange.com/questions/159513/what-are-the-shells-control-and-redirection-operators|What are the shell's control and redirection operators?]] | ||
| * [[https://youtu.be/GxVmukxVUo0|Видео урок]] | * [[https://youtu.be/GxVmukxVUo0|Видео урок]] | ||
| Line 9: | Line 10: | ||
| * [[https://www.tutorialspoint.com/execute_bash_online.php|Execute Bash Shell Online]] | * [[https://www.tutorialspoint.com/execute_bash_online.php|Execute Bash Shell Online]] | ||
| * [[https://www.shellcheck.net/|ShellCheck finds bugs in your shell scripts.]] | * [[https://www.shellcheck.net/|ShellCheck finds bugs in your shell scripts.]] | ||
| + | |||
| + | * [[http://redsymbol.net/articles/unofficial-bash-strict-mode/|Use Bash Strict Mode (Unless You Love Debugging)]] | ||
| ===== Проверка синтаксиса ===== | ===== Проверка синтаксиса ===== | ||
| Line 191: | Line 194: | ||
| <code> | <code> | ||
| - | $ cat log_gen.sh | + | bash -c 'cat <<END >log_gen.sh |
| - | </code><code> | + | |
| while : | while : | ||
| do | do | ||
| Line 198: | Line 200: | ||
| logger -t cisco -p local0.info "Message 2" | logger -t cisco -p local0.info "Message 2" | ||
| done | done | ||
| + | END' | ||
| </code><code> | </code><code> | ||
| - | $ sh cisco_log_gen.sh | + | $ sh log_gen.sh |
| </code> | </code> | ||
| ===== Примеры использования скриптов sh в системах загрузки ===== | ===== Примеры использования скриптов sh в системах загрузки ===== | ||
| Line 393: | Line 396: | ||
| #!/bin/bash | #!/bin/bash | ||
| base=/var/www | base=/var/www | ||
| - | #log=/var/log/webd.log | + | #exec 2>>/var/log/webd.log |
| + | #echo "ARGS: $*" >&2 | ||
| read request | read request | ||
| - | ##echo "$request" >> $log # for educational demonstration | + | ##echo "$request" >&2 # for educational demonstration |
| filename="${request#GET }" | filename="${request#GET }" | ||
| Line 408: | Line 412: | ||
| do | do | ||
| read -r header | read -r header | ||
| - | ## echo "$header" >> $log # for educational demonstration | + | ## echo "$header" >&2 # for educational demonstration |
| [ "$header" == $'\r' ] && break; | [ "$header" == $'\r' ] && break; | ||
| ## [ "$header" == $'' ] && break; # for STDIN/STDOUT educational demonstration | ## [ "$header" == $'' ] && break; # for STDIN/STDOUT educational demonstration | ||
| Line 415: | Line 419: | ||
| if [ -e "$filename" ] | if [ -e "$filename" ] | ||
| then | then | ||
| - | # echo `date` OK $filename on `hostname` >> $log | + | # echo `date` OK $filename on `hostname` >&2 |
| 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" |
| echo -e "\r" | echo -e "\r" | ||
| /bin/cat "$filename" | /bin/cat "$filename" | ||
| else | else | ||
| - | # echo "$(date)" ERR $filename on "$(hostname)" >> "$log" | + | # echo "$(date)" ERR "$filename" on "$(hostname)" >&2 |
| 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" | ||
| Line 437: | Line 441: | ||
| ==== Ресурсы Web сервера на shell ==== | ==== Ресурсы Web сервера на shell ==== | ||
| <code> | <code> | ||
| - | # mkdir /var/www | + | # mkdir -p /var/www/img |
| # cat /var/www/index.html | # cat /var/www/index.html | ||
| Line 446: | Line 450: | ||
| </html> | </html> | ||
| </code><code> | </code><code> | ||
| - | # mkdir /var/www/img | + | # wget -O /var/www/img/logo.gif https://val.bmstu.ru/unix/Media/logo.gif |
| - | </code> | + | |
| - | + | ||
| - | <code> | + | |
| - | # wget -O /var/www/img/logo.gif http://val.bmstu.ru/unix/Media/logo.gif | + | |
| </code> | </code> | ||
| * [[Сервис INETD]] | * [[Сервис INETD]] | ||
| + | * [[Управление сервисами в Linux#Systemd Sockets]] | ||
| ==== Проверка ==== | ==== Проверка ==== | ||
| Line 463: | Line 464: | ||
| * [[Сервис Asterisk#Asterisk AGI]] | * [[Сервис Asterisk#Asterisk AGI]] | ||
| + | |||
| + | ==== Отправка email с вложениями ==== | ||
| + | |||
| + | * [[Утилита curl]] | ||
| + | * [[https://serverfault.com/questions/38919/send-an-email-with-an-attached-file-using-telnet-or-netcat|Send an email with an attached file using telnet or netcat]] | ||
| + | |||
| + | <code> | ||
| + | $ cat mail.sh | ||
| + | </code><code> | ||
| + | #!/bin/sh | ||
| + | |||
| + | [ -f "$1" ] || { echo Example: ./mail.sh attach_file_name; exit 1; } | ||
| + | |||
| + | EMAIL="val@bmstu.ru" | ||
| + | MAILSERVER="mailhub.bmstu.ru" | ||
| + | FILENAME=$1 | ||
| + | |||
| + | { | ||
| + | sleep 2; | ||
| + | echo "EHLO $MAILSERVER"; sleep 1; | ||
| + | echo "MAIL FROM: <$EMAIL>"; sleep 1; | ||
| + | echo "RCPT TO: <$EMAIL>"; sleep 1; | ||
| + | echo "DATA"; sleep 1; | ||
| + | echo "To: $EMAIL" | ||
| + | echo "Subject: $FILENAME" | ||
| + | echo "MIME-Version: 1.0 (mime-construct 1.9)" | ||
| + | echo "Content-Type: $(/usr/bin/file -bi $FILENAME); name=\"$FILENAME\"" | ||
| + | echo "Content-Transfer-Encoding: base64"; | ||
| + | echo | ||
| + | cat $FILENAME | openssl base64; | ||
| + | echo '.'; | ||
| + | echo "QUIT"; | ||
| + | echo | ||
| + | } | nc $MAILSERVER 25 | ||
| + | </code> | ||
| ==== Использование диалоговых окон ==== | ==== Использование диалоговых окон ==== | ||
средства_программирования_shell.1712828467.txt.gz · Last modified: 2024/04/11 12:41 by val
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