81 lines
2.0 KiB
Bash
Executable File
81 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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#-----------------------------------------------------------------------------------------------------------------------
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function ts {
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echo [`date '+%Y-%m-%d %H:%M:%S'`]
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}
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#-----------------------------------------------------------------------------------------------------------------------
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function process_args {
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# These are meant to be globals.
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UMAP=$1
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GMAP=$2
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for NAME_UID_GID in $UMAP
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do
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if [[ ! "$NAME_UID_GID" =~ ^[A-Za-z0-9._][-A-Za-z0-9._]*:[0-9]{1,}:[0-9]{1,}$ ]]
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then
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echo "UMAP value $NAME_UID_GID is not valid. It should be of the form <user name>:<uid>:<gid>"
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exit 1
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fi
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done
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for NAME_GID in $GMAP
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do
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if [[ ! "$NAME_GID" =~ ^[A-Za-z0-9._][-A-Za-z0-9._]*:[0-9]{1,}$ ]]
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then
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echo "GMAP value $NAME_GID is not valid. It should be of the form <group name>:<gid>"
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exit 1
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fi
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done
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}
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#-----------------------------------------------------------------------------------------------------------------------
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function update_users {
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local UMAP=$1
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if [[ "$UMAP" == "" ]]; then return; fi
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echo "$(ts) Updating existing users..."
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for NAME_UID_GID in $UMAP
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do
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local NAME=${NAME_UID_GID%:*:*}
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local USER_ID=${NAME_UID_GID#*:}
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USER_ID=${USER_ID%:*}
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local GROUP_ID=${NAME_UID_GID#*:*:}
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echo "$(ts) Setting user \"$NAME\" to user ID=\"$USER_ID\" and default group ID=\"$GROUP_ID\""
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usermod -o -u $USER_ID -g $GROUP_ID $NAME
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done
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}
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#-----------------------------------------------------------------------------------------------------------------------
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function update_groups {
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local GMAP=$1
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if [[ "$GMAP" == "" ]]; then return; fi
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echo "$(ts) Updating existing groups..."
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for NAME_GID in $GMAP
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do
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local NAME=${NAME_GID%:*}
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local GROUP_ID=${NAME_GID#*:}
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echo "$(ts) Setting group \"$NAME\" to ID=\"$GROUP_ID\""
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groupmod -o -g $GROUP_ID $NAME
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done
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}
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#-----------------------------------------------------------------------------------------------------------------------
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process_args "$@"
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update_users "$UMAP"
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update_groups "$GMAP"
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