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средства_программирования_shell [2020/06/15 14:08]
val [Ресурсы Web сервера на shell]
средства_программирования_shell [2022/09/22 21:26]
val [Web сервер на shell]
Line 4: Line 4:
   * [[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://​youtu.be/​GxVmukxVUo0|Видео урок]]   * [[https://​youtu.be/​GxVmukxVUo0|Видео урок]]
 +
   * [[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.]]
 +
 +===== Проверка синтаксиса =====
 +<​code>​
 +# apt install shellcheck
 +
 +$ shellcheck webd/webd
 +</​code>​
 ===== Переменные окружения ===== ===== Переменные окружения =====
  
Line 81: Line 91:
 done done
 </​code><​code>​ </​code><​code>​
-$ cat test_arp_ping.sh+$ cat arp_ping.sh
 </​code><​code>​ </​code><​code>​
 #!/bin/sh #!/bin/sh
Line 90: Line 100:
 while : while :
 do do
-  ping -c 1 -W 1 $1.$i > /​dev/​null ​2>&1 +  ​ip=$1.$i 
-  ​arp -an | grep "($1.$i)" | grep -q ':​..:​..:'​ && echo $1.$i || echo - $1.$i+ 
 +  ​ping -c 1 -W 1  $ip >/​dev/​null 
 +  ​ip n | grep "$ip " | grep -q  ':​..:​..:'​ && echo $ip 
   i=$(($i + 1))   i=$(($i + 1))
   test $i -eq 254 && break   test $i -eq 254 && break
Line 358: Line 371:
 ==== CGI на shell ==== ==== CGI на shell ====
  
-  * [[http://www.team2053.org/docs/bashcgi/gettingstarted.html|Creating CGI Programs with Bash: Getting Started]]+  * [[http://underpop.online.fr/c/cgi/docs/creating-cgi-programs-with-bash/|Creating CGI Programs with Bash: Introduction]] 
 +  * [[https://​debian-administration.org/​article/​371/​A_web_server_in_a_shell_script|A web server in a shell script]] 
 +  * [[https://​stackoverflow.com/​questions/​16640054/​minimal-web-server-using-netcat|Minimal web server using netcat]] 
 +  * [[https://​funprojects.blog/​2021/​04/​11/​a-web-server-in-1-line-of-bash/​|A Web Server in 1 Line of Bash Code]]
  
 ==== Web сервер на shell ==== ==== Web сервер на shell ====
  
-  * [[https://​debian-administration.org/​article/​371/​A_web_server_in_a_shell_script|A web server in a shell script]]+  * [[Сервис HTTP]]
  
 <​code>​ <​code>​
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 #!/bin/bash #!/bin/bash
 base=/​var/​www base=/​var/​www
 +log=/​var/​log/​webd.log
  
 read request read request
 +#echo $request >> $log
  
 while : while :
 do do
-  read header+  read -r header 
 +#  echo $header >> $log
   [ "​$header"​ == $'​\r'​ ] && break;   [ "​$header"​ == $'​\r'​ ] && break;
 done done
Line 380: Line 399:
 url="​${request#​GET }" url="​${request#​GET }"
 url="​${url% HTTP/​*}"​ url="​${url% HTTP/​*}"​
-filename="​$base$url"​ 
  
-echo -e "HTTP/1.1 200 OK\r" +test $url = "/" ​&& url="/index.html"
-echo -e "Content-Type:​ `/usr/​bin/​file -bi \"​$filename\"​`\r"​ +
-echo -e "\r"+
  
-/bin/cat "​$filename"​+filename="​$base$url"​ 
 + 
 +if [ -e "​$filename"​ ] 
 +then 
 +  echo `date` OK $url >> $log 
 +  echo -e "​HTTP/​1.1 200 OK\r"​ 
 +  echo -e "​Content-Type:​ $(/​usr/​bin/​file -bi \"​$filename\"​)\r"​ 
 +  echo -e "​\r"​ 
 +  ​/bin/cat "​$filename"​ 
 +else 
 +  echo "​$(date)"​ ERR $url >> $log 
 +  echo -e "​HTTP/​1.1 404 Not Found\r"​ 
 +  echo -e "​Content-Type:​ text/​html;​\r"​ 
 +  echo -e "​\r"​ 
 +  ip=$(cat /​proc/​net/​fib_trie | awk '/32 host/ { print f } {f=$2}'​ | sort -u | grep -v 127.0.0.1) 
 +  echo -e "<​h1>​$url Not Found in container $(hostname) with ip $ip</​h1>"​ 
 +  echo "ver 1.1" 
 +fi
 </​code>​ </​code>​
  
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 </​code>​ </​code>​
  
 +  * [[Сервис INETD]]
 ==== Проверка ==== ==== Проверка ====
  
 <​code>​ <​code>​
-http://​server.corpX.un/​index.html+http://​server.corpX.un/​
 </​code>​ </​code>​
 ==== Asterisk AGI ==== ==== Asterisk AGI ====
  
-  * [[Сервис Asterisk#Тарификация звонков]]+  * [[Сервис Asterisk#Asterisk AGI]]
  
  
средства_программирования_shell.txt · Last modified: 2022/09/23 14:07 by val