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| - | ====== MAC ====== | ||
| - | ===== Вариант использования как AppArmor ===== | ||
| - | ==== Выбор приложения ==== | ||
| - | |||
| - | [[Средства программирования shell#Web свервер на shell]] | ||
| - | |||
| - | [[Сервис INETD]] | ||
| - | ==== Тестирование ==== | ||
| - | |||
| - | <code> | ||
| - | # fetch -qo - http://server.corpX.un/index.html | ||
| - | |||
| - | # fetch -qo - http://server.corpX.un/../../etc/passwd | ||
| - | </code> | ||
| - | |||
| - | ==== Патчинг модулей biba и mls ==== | ||
| - | <code> | ||
| - | # rcsdiff /usr/src/sys/security/mac_mls/mac_mls.c | ||
| - | </code><code> | ||
| - | 875c875 | ||
| - | < mls_set_effective(dest, MAC_MLS_TYPE_LOW, 0, NULL); | ||
| - | --- | ||
| - | > mls_set_effective(dest, MAC_MLS_TYPE_EQUAL, 0, NULL); | ||
| - | </code><code> | ||
| - | # rcsdiff /usr/src/sys/security/mac_biba/mac_biba.c | ||
| - | </code><code> | ||
| - | 915c915 | ||
| - | < biba_set_effective(dest, MAC_BIBA_TYPE_HIGH, 0, NULL); | ||
| - | --- | ||
| - | > biba_set_effective(dest, MAC_BIBA_TYPE_EQUAL, 0, NULL); | ||
| - | </code> | ||
| - | |||
| - | ==== Включение модулей при загрузке ==== | ||
| - | |||
| - | <code> | ||
| - | # cat /boot/loader.conf | ||
| - | </code><code> | ||
| - | mac_mls_load="YES" | ||
| - | mac_biba_load="YES" | ||
| - | </code> | ||
| - | |||
| - | ==== Включение множественных меток на файловой системе ==== | ||
| - | |||
| - | <code> | ||
| - | # cat /etc/fstab | ||
| - | </code><code> | ||
| - | ... | ||
| - | /dev/ad0s1a / ufs ro 1 | ||
| - | ... | ||
| - | </code> | ||
| - | |||
| - | Reboot in single mode | ||
| - | |||
| - | <code> | ||
| - | # tunefs -l enable / | ||
| - | |||
| - | # mount -a | ||
| - | |||
| - | # cat /etc/fstab | ||
| - | </code><code> | ||
| - | ... | ||
| - | /dev/ad0s1a / ufs rw 1 | ||
| - | ... | ||
| - | </code> | ||
| - | |||
| - | Reboot in multiuser mode | ||
| - | |||
| - | <code> | ||
| - | # ps axZ | ||
| - | |||
| - | # getfmac /etc/passwd | ||
| - | </code> | ||
| - | |||
| - | ==== Установка меток на файловую систему ==== | ||
| - | |||
| - | <code> | ||
| - | # cat /etc/policy.contexts | ||
| - | </code><code> | ||
| - | .* biba/high,mls/high | ||
| - | |||
| - | / biba/equal,mls/equal | ||
| - | /var biba/equal,mls/equal | ||
| - | /var/www biba/equal,mls/equal | ||
| - | /var/www/.* biba/equal,mls/equal | ||
| - | /bin biba/equal,mls/equal | ||
| - | /bin/sh biba/equal,mls/equal | ||
| - | /libexec biba/equal,mls/equal | ||
| - | /libexec/ld-elf.so.1 biba/equal,mls/equal | ||
| - | /lib biba/equal,mls/equal | ||
| - | /lib/libedit.so.7 biba/equal,mls/equal | ||
| - | /lib/libncurses.so.8 biba/equal,mls/equal | ||
| - | /lib/libc.so.7 biba/equal,mls/equal | ||
| - | /usr biba/equal,mls/equal | ||
| - | /usr/bin biba/equal,mls/equal | ||
| - | /usr/bin/file biba/equal,mls/equal | ||
| - | /lib/libz.so.5 biba/equal,mls/equal | ||
| - | /usr/lib biba/equal,mls/equal | ||
| - | /usr/lib/libmagic.so.4 biba/equal,mls/equal | ||
| - | /usr/share biba/equal,mls/equal | ||
| - | /usr/share/misc biba/equal,mls/equal | ||
| - | /usr/share/misc/magic biba/equal,mls/equal | ||
| - | /usr/local biba/equal,mls/equal | ||
| - | /usr/local/sbin biba/equal,mls/equal | ||
| - | /usr/local/sbin/webd biba/equal,mls/equal | ||
| - | </code><code> | ||
| - | # setfsmac -evf /etc/policy.contexts / | ||
| - | </code> | ||
| - | |||
| - | ==== Запуск приложения ==== | ||
| - | |||
| - | <code> | ||
| - | # cat /etc/inetd.conf | ||
| - | </code><code> | ||
| - | ... | ||
| - | http stream tcp nowait root /usr/sbin/setpmac setpmac biba/low,mls/low /usr/local/sbin/webd | ||
| - | </code> | ||
| - | |||
| - | ==== Тестирование ==== | ||
| - | |||
| - | <code> | ||
| - | # fetch -qo - http://172.16.1.6/index.html | ||
| - | |||
| - | # fetch -qo - http://172.16.1.6/../../etc/passwd | ||
| - | </code> | ||
mac.1339008424.txt.gz · Last modified: 2013/05/22 13:50 (external edit)
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