mirror of
https://github.com/jokob-sk/NetAlertX.git
synced 2025-12-07 01:26:11 -08:00
29 lines
791 B
Bash
Executable File
29 lines
791 B
Bash
Executable File
#!/bin/bash
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if [ -z "${USER}" ]; then
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echo "We need USER to be set!"; exit 100
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fi
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# if both not set we do not need to do anything
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if [ -z "${HOST_USER_ID}" -a -z "${HOST_USER_GID}" ]; then
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echo "Nothing to do here." ; exit 0
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fi
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# reset user_?id to either new id or if empty old (still one of above
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# might not be set)
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USER_ID=${HOST_USER_ID:=$USER_ID}
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USER_GID=${HOST_USER_GID:=$USER_GID}
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LINE=$(grep -F "${USER}" /etc/passwd)
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# replace all ':' with a space and create array
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array=( ${LINE//:/ } )
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# home is 5th element
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USER_HOME=${array[4]}
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sed -i -e "s/^${USER}:\([^:]*\):[0-9]*:[0-9]*/${USER}:\1:${USER_ID}:${USER_GID}/" /etc/passwd
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sed -i -e "s/^${USER}:\([^:]*\):[0-9]*/${USER}:\1:${USER_GID}/" /etc/group
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chown -R ${USER_ID}:${USER_GID} ${USER_HOME}
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exec su - "${USER}" |