33 lines
791 B
Bash
Executable File
33 lines
791 B
Bash
Executable File
#!/bin/sh
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case $# in
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0)
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uci -q get 'system.@system[0].pretty_hostname' || uci get 'system.@system[0].hostname'
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;;
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1)
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pretty_hostname="$1"
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# Remove invalid characters and leading/trailing spaces
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hostname="$(echo -n "$pretty_hostname" | sed -r -e 's/[^a-zA-Z0-9-]//g' -e 's/-+/-/g' -e 's/^-//')"
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hostname="${hostname:0:63}"
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hostname="$(echo -n "$hostname" | sed -e 's/-$//')"
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if [ -z "$hostname" ]; then
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hostname='localhost'
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fi
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if [ "$hostname" = "$pretty_hostname" ]; then
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uci -q delete "system.@system[0].pretty_hostname"
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else
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uci set "system.@system[0].pretty_hostname=$pretty_hostname"
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fi
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uci set "system.@system[0].hostname=$hostname"
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uci commit system
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echo "$hostname" > /proc/sys/kernel/hostname
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;;
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*)
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echo 'Usage: pretty-hostname [ hostname ]'
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exit 1
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esac
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