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238 lines
5.8 KiB
238 lines
5.8 KiB
#!/bin/sh -eu
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ERRCNT=""
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# Known good post-debootstrap values
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passwd_bootstrap="9738946debbc125bd6cf3f197582a8a5"
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shadow_bootstrap="4d299751999cae6de045390dd568812c"
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group_bootstrap="63632e6266046ef7e59a1f090f93a2de"
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gshadow_bootstrap="0b17c40c462aba03bed49ce62300de73"
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# Current post-debootstrap values
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passwd_hash=$(set -- $(md5sum /etc/passwd) && echo $1)
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shadow_hash=$(set -- $(cat /etc/shadow | sed "s/:.*:0:99999:/:0:99999:/g" | md5sum) && echo $1)
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group_hash=$(set -- $(md5sum /etc/group) && echo $1)
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gshadow_hash=$(set -- $(md5sum /etc/gshadow) && echo $1)
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# /etc/passwd
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if [ "$passwd_bootstrap" = "$passwd_hash" ]; then
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cat > /etc/passwd <<EOF
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root:x:0:0:root:/root:/bin/bash
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daemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologin
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bin:x:2:2:bin:/bin:/usr/sbin/nologin
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sys:x:3:3:sys:/dev:/usr/sbin/nologin
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sync:x:4:65534:sync:/bin:/bin/sync
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games:x:5:60:games:/usr/games:/usr/sbin/nologin
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man:x:6:12:man:/var/cache/man:/usr/sbin/nologin
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lp:x:7:7:lp:/var/spool/lpd:/usr/sbin/nologin
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mail:x:8:8:mail:/var/mail:/usr/sbin/nologin
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news:x:9:9:news:/var/spool/news:/usr/sbin/nologin
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uucp:x:10:10:uucp:/var/spool/uucp:/usr/sbin/nologin
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proxy:x:13:13:proxy:/bin:/usr/sbin/nologin
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www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin
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backup:x:34:34:backup:/var/backups:/usr/sbin/nologin
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list:x:38:38:Mailing List Manager:/var/list:/usr/sbin/nologin
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irc:x:39:39:ircd:/var/run/ircd:/usr/sbin/nologin
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gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/usr/sbin/nologin
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nobody:x:65534:65534:nobody:/nonexistent:/usr/sbin/nologin
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messagebus:x:100:103::/var/run/dbus:/bin/false
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clickpkg:x:101:104::/nonexistent:/bin/false
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sshd:x:102:65534::/var/run/sshd:/usr/sbin/nologin
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systemd-timesync:x:103:108:systemd Time Synchronization,,,:/run/systemd:/bin/false
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systemd-network:x:104:109:systemd Network Management,,,:/run/systemd/netif:/bin/false
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systemd-resolve:x:105:110:systemd Resolver,,,:/run/systemd/resolve:/bin/false
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systemd-bus-proxy:x:106:111:systemd Bus Proxy,,,:/run/systemd:/bin/false
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docker:x:107:113::/nonexistent:/bin/false
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EOF
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else
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echo "/etc/passwd post-debootstrap hash doesn't match record" >&2
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echo "The output below might help to resolve the issue" >&2
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cat /etc/passwd
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echo "passwd md5sum: $passwd_hash" >&2
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ERRCNT=1
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fi
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# /etc/shadow
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if [ "$shadow_bootstrap" = "$shadow_hash" ]; then
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cat > /etc/shadow <<EOF
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root:*:16329:0:99999:7:::
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daemon:*:16329:0:99999:7:::
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bin:*:16329:0:99999:7:::
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sys:*:16329:0:99999:7:::
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sync:*:16329:0:99999:7:::
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games:*:16329:0:99999:7:::
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man:*:16329:0:99999:7:::
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lp:*:16329:0:99999:7:::
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mail:*:16329:0:99999:7:::
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news:*:16329:0:99999:7:::
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uucp:*:16329:0:99999:7:::
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proxy:*:16329:0:99999:7:::
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www-data:*:16329:0:99999:7:::
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backup:*:16329:0:99999:7:::
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list:*:16329:0:99999:7:::
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irc:*:16329:0:99999:7:::
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gnats:*:16329:0:99999:7:::
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nobody:*:16329:0:99999:7:::
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messagebus:*:16413:0:99999:7:::
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clickpkg:*:16413:0:99999:7:::
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sshd:*:16413:0:99999:7:::
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systemd-timesync:*:16413:0:99999:7:::
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systemd-network:*:16413:0:99999:7:::
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systemd-resolve:*:16413:0:99999:7:::
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systemd-bus-proxy:*:16413:0:99999:7:::
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docker:*:16413:0:99999:7:::
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EOF
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else
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echo "/etc/shadow post-debootstrap hash doesn't match record" >&2
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echo "The output below might help to resolve the issue" >&2
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cat /etc/shadow
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echo "shadow md5sum: $shadow_hash" >&2
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ERRCNT=1
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fi
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# /etc/group
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if [ "$group_bootstrap" = "$group_hash" ]; then
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cat > /etc/group <<EOF
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root:x:0:
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daemon:x:1:
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bin:x:2:
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sys:x:3:
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adm:x:4:syslog
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tty:x:5:
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disk:x:6:
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lp:x:7:
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mail:x:8:
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news:x:9:
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uucp:x:10:
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man:x:12:
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proxy:x:13:
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kmem:x:15:
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dialout:x:20:
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fax:x:21:
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voice:x:22:
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cdrom:x:24:
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floppy:x:25:
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tape:x:26:
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sudo:x:27:
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audio:x:1005:
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dip:x:30:
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www-data:x:33:
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backup:x:34:
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operator:x:37:
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list:x:38:
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irc:x:39:
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src:x:40:
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gnats:x:41:
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shadow:x:42:
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utmp:x:43:
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video:x:44:
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sasl:x:45:
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plugdev:x:46:
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staff:x:50:
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games:x:60:
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users:x:100:
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nogroup:x:65534:
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netdev:x:101:
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crontab:x:102:
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messagebus:x:103:
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clickpkg:x:104:
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ssh:x:105:
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systemd-journal:x:106:
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systemd-journal-remote:x:107:
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systemd-timesync:x:108:
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systemd-network:x:109:
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systemd-resolve:x:110:
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systemd-bus-proxy:x:111:
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input:x:112:
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docker:x:113:
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EOF
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else
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echo "/etc/group post-debootstrap hash doesn't match record" >&2
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echo "The output below might help to resolve the issue" >&2
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cat /etc/group
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echo "group md5sum: $group_hash" >&2
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ERRCNT=1
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fi
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# /etc/gshadow
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if [ "$gshadow_bootstrap" = "$gshadow_hash" ]; then
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cat > /etc/gshadow <<EOF
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root:*::
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daemon:*::
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bin:*::
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sys:*::
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adm:*::syslog
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tty:*::
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disk:*::
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lp:*::
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mail:*::
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news:*::
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uucp:*::
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man:*::
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proxy:*::
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kmem:*::
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dialout:*::
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fax:*::
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voice:*::
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cdrom:*::
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floppy:*::
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tape:*::
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sudo:*::
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audio:*::pulse
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dip:*::
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www-data:*::
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backup:*::
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operator:*::
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list:*::
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irc:*::
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src:*::
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gnats:*::
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shadow:*::
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utmp:*::
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video:*::
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sasl:*::
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plugdev:*::
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staff:*::
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games:*::
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users:*::
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nogroup:*::
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netdev:!::
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crontab:!::
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messagebus:!::
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clickpkg:!::
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ssh:!::
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systemd-journal:!::
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systemd-journal-remote:!::
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systemd-timesync:!::
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systemd-network:!::
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systemd-resolve:!::
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systemd-bus-proxy:!::
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input:!::
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docker:!::
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EOF
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else
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echo "/etc/gshadow post-debootstrap hash doesn't match record" >&2
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echo "The output below might help to resolve the issue" >&2
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cat /etc/gshadow
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echo "gshadow md5sum: $gshadow_hash" >&2
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ERRCNT=1
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fi
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if [ -n "$ERRCNT" ]; then
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echo "There were changes to the password database," >&2
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echo "please adjust the values in the livecd-rootfs source in the file:" >&2
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echo "live-build/ubuntu-core/hooks/00-uid-gid-fix.chroot_early" >&2
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echo >&2
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echo "Please check also if a maintainer script of the package" >&2
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echo "that added these entries perhaps created a home directory and," >&2
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echo "if needed, add code for creation of it to the above hook" >&2
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exit 1
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fi
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# Record the current state for later comparison
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for file in /etc/passwd /etc/shadow /etc/group /etc/gshadow; do
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rm -f ${file}-
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cp ${file} ${file}.orig
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done
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