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| - | ====== Управление сервисами ====== | ||
| - | |||
| - | ===== Виды сервисов ===== | ||
| - | |||
| - | |||
| - | |||
| - | ===== Добавление сервиса к системе ===== | ||
| - | |||
| - | - Инсталяция ПО (не требуется для базового ПО) | ||
| - | - Конфигурация ПО | ||
| - | - Конфигурация /etc/rc.conf | ||
| - | - Запуск ПО etc/rc.d/сервис start | ||
| - | |||
| - | ===== Регистрация пользователей в системе ===== | ||
| - | - Программа "привратник" (getty, telnetd, sshd, xdm) | ||
| - | - Программа аутентификации (login, ppp) | ||
| - | - SHELL пользователя (sh, csh, window manager, ...) | ||
| - | |||
| - | ===== Супердемон inetd ===== | ||
| - | <code> | ||
| - | [gX:~] # cd /etc | ||
| - | |||
| - | [gX:/etc] # cat inetd.conf | ||
| - | ... | ||
| - | telnet stream tcp nowait root /usr/libexec/telnetd telnetd | ||
| - | shell stream tcp nowait root /usr/libexec/rshd rshd | ||
| - | ... | ||
| - | |||
| - | [gX:/etc] # /etc/rc.d/inetd rcvar | ||
| - | |||
| - | [gX:/etc] # cat >> rc.conf | ||
| - | inetd_enable="YES" | ||
| - | |||
| - | [gX:/etc] # /etc/rc.d/inetd start | ||
| - | Starting inetd. | ||
| - | |||
| - | Протокол rsh | ||
| - | [gX:~] # adduser | ||
| - | Username: uY | ||
| - | ... | ||
| - | |||
| - | [gX:~] # telnet gY | ||
| - | User (root): uX | ||
| - | Password: | ||
| - | |||
| - | $ cat .rhosts | ||
| - | ... | ||
| - | gX root | ||
| - | ... | ||
| - | |||
| - | $ exit | ||
| - | Connection closed by foreign host. | ||
| - | |||
| - | [gX:~] # rsh -l uX gY "uname -a" | ||
| - | </code> | ||
| - | |||
| - | ==== Использование SHELL и inetd ==== | ||
| - | |||
| - | === telnet сервер === | ||
| - | <code> | ||
| - | [gX:~] # cat shell.sh | ||
| - | #!/bin/sh | ||
| - | echo -n "> " | ||
| - | while read c | ||
| - | do | ||
| - | # $c && echo "OK" | ||
| - | ${c%?} && echo "OK" | ||
| - | echo -n "> " | ||
| - | done | ||
| - | |||
| - | [gX:/etc] # cat /etc/inetd.conf | ||
| - | ... | ||
| - | telnet stream tcp nowait root /root/shell.sh | ||
| - | ... | ||
| - | </code> | ||
| - | |||
| - | === WEB shell === | ||
| - | <code> | ||
| - | [gX:/etc] # cat /etc/inetd.conf | ||
| - | ... | ||
| - | http stream tcp nowait root /root/webshell.sh webshell.sh | ||
| - | ... | ||
| - | |||
| - | [gX:~] # cat webshell.sh | ||
| - | #!/bin/sh | ||
| - | |||
| - | read s | ||
| - | c=$(expr "$s" : ".*=\(.*\) " | sed "s/+/ /g") | ||
| - | |||
| - | if [ "$c" = "" ] | ||
| - | then | ||
| - | echo '<html><h1>Command:</h1><form action=""><input type=text name=command></form></html>' | ||
| - | exit 0 | ||
| - | fi | ||
| - | |||
| - | $c | ||
| - | </code> | ||
| - | |||
| - | === http сервер === | ||
| - | <code> | ||
| - | [gX:/etc] # cat /etc/inetd.conf | ||
| - | http stream tcp nowait root /root/httpd.sh httpd.sh | ||
| - | |||
| - | [gX:~] # cat httpd.sh | ||
| - | #!/bin/sh | ||
| - | |||
| - | read s | ||
| - | c=$(expr "$s" : "GET..\(.*\) ") | ||
| - | |||
| - | if [ "$c" = "" ] | ||
| - | then | ||
| - | echo "<html> $s <h1>shell WebServer</h1></html>" | ||
| - | exit 0 | ||
| - | fi | ||
| - | |||
| - | if [ -x "/root/$c" ] | ||
| - | then | ||
| - | /root/$c | ||
| - | else | ||
| - | cat /root/$c | ||
| - | fi | ||
| - | </code> | ||
| - | |||
| - | ===== Служба devd ===== | ||
| - | ==== Использование shell и devd ==== | ||
| - | === Автомонтирование flash накопителя === | ||
| - | <code> | ||
| - | [gX:~] # cd /etc | ||
| - | [gX:/etc] # mkdir devd | ||
| - | [gX:/etc] # cd devd | ||
| - | |||
| - | [gX:/etc/devd] # cat my.conf | ||
| - | attach 30 { | ||
| - | device-name "umass0"; | ||
| - | action "sleep 3; /sbin/mount -t msdos /dev/da0s1 /mnt/"; | ||
| - | }; | ||
| - | </code> | ||
управление_сервисами.1236231630.txt.gz · Last modified: 2013/05/22 13:50 (external edit)
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