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- # Returns a true value if there seems to be a system user account.
- is_system_user () {
- if ! [ -e $ROOT/etc/passwd ]; then
- return 1
- fi
-
- # Assume NIS, or any uid from 1000 to 59999, means there is a user.
- if grep -q '^+:' $ROOT/etc/passwd || \
- grep -q '^[^:]*:[^:]*:[1-9][0-9][0-9][0-9]:' $ROOT/etc/passwd || \
- grep -q '^[^:]*:[^:]*:[1-5][0-9][0-9][0-9][0-9]:' $ROOT/etc/passwd; then
- return 0
- else
- return 1
- fi
- }
-
- # Returns a true value if root already has a password.
- root_password () {
- if ! [ -e $ROOT/etc/passwd ]; then
- return 1
- fi
-
- # Assume there is a root password if NIS is being used.
- if grep -q '^+:' $ROOT/etc/passwd; then
- return 0
- fi
-
- # Be more careful than usual about test arguments in the following,
- # just in case (for example) the encrypted password string is "!".
-
- if [ -e $ROOT/etc/shadow ] && \
- [ -n "`grep ^root: $ROOT/etc/shadow | cut -d : -f 2`" ] && \
- [ "x`grep ^root: $ROOT/etc/shadow | cut -d : -f 2`" != 'x*' ]; then
- return 0
- fi
-
- if [ -e $ROOT/etc/passwd ] && \
- [ -n "`grep ^root: $ROOT/etc/passwd | cut -d : -f 2`" ] && \
- [ "x`grep ^root: $ROOT/etc/passwd | cut -d : -f 2`" != 'xx' ]; then
- return 0
- fi
-
- return 1
- }
-