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livecd-rootfs/live-build/ubuntu-touch/hooks/99zz-check-uid-gid.chroot

53 lines
1.8 KiB

#!/bin/sh -eu
ERRCNT=""
passwd_hash=$(set -- $(md5sum /etc/passwd) && echo $1)
shadow_hash=$(set -- $(cat /etc/shadow | sed "s/:.*:0:99999:/:0:99999:/g" | md5sum) && echo $1)
group_length=$(cat /etc/group | wc -l)
gshadow_length=$(cat /etc/gshadow | wc -l)
passwd_orig_hash=$(set -- $(md5sum /etc/passwd.orig) && echo $1)
shadow_orig_hash=$(set -- $(cat /etc/shadow.orig | sed "s/:.*:0:99999:/:0:99999:/g" | md5sum) && echo $1)
group_orig_length=$(cat /etc/group.orig | wc -l)
gshadow_orig_length=$(cat /etc/gshadow.orig | wc -l)
if [ "$passwd_hash" != "$passwd_orig_hash" ]; then
echo "/etc/passwd has changed during setup." >&2
echo "The new /etc/passwd md5sum is: $passwd_hash" >&2
diff -Nrup /etc/passwd.orig /etc/passwd >&2
ERRCNT=1
fi
if [ "$shadow_hash" != "$shadow_orig_hash" ]; then
echo "/etc/shadow has changed during setup." >&2
echo "The new /etc/shadow md5sum is: $shadow_hash" >&2
diff -Nrup /etc/shadow.orig /etc/shadow >&2
ERRCNT=1
fi
if [ "$group_length" != "$group_orig_length" ]; then
echo "/etc/group has changed during setup." >&2
diff -Nrup /etc/group.orig /etc/group >&2
ERRCNT=1
fi
if [ "$gshadow_length" != "$gshadow_orig_length" ]; then
echo "/etc/gshadow has changed during setup." >&2
diff -Nrup /etc/gshadow.orig /etc/gshadow >&2
ERRCNT=1
fi
if [ -n "$ERRCNT" ]; then
echo "There were changes to the password database,"
echo "please adjust the values in the livecd-rootfs source in the file:"
echo "live-build/ubuntu-touch/hooks/00-uid-gid-fix.chroot_early"
echo
echo "Please check also if a maintainer script of the package"
echo "that added these entries perhaps crated a home directory and,"
echo "if needed, add code for creation of it to the above hook"
exit 1
fi
rm /etc/passwd.orig /etc/shadow.orig /etc/group.orig /etc/gshadow.orig