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