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35 lines
884 B
Bash
Executable File
35 lines
884 B
Bash
Executable File
#!/bin/sh
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#
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# Simple script to generate iwd network files.
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[ "$1" ] || {
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printf '%s\n' "usage: printf pass | ${0##*/} ssid" >&2
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exit 1
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}
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# Read the password from 'stdin'.
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read -r pass; [ "$pass" ] || exit 1
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# Consider all characters as single-byte.
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export LC_CTYPE=C
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# The SSID appears verbatim in the name if it contains
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# only alphanumeric characters, spaces, underscores or
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# minus signs. Otherwise it is encoded as an equal sign
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# followed by the lower-case hex encoding of the name.
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case $1 in
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*[!A-Za-z0-9_' '-]*)
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ssid="=$(printf %s "$1" | od -vA n -t x1 | tr -d '\n ')"
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;;
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*)
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ssid=$1
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;;
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esac
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printf '%s\n\n' "Save this output to /var/lib/iwd/$ssid.psk" >&2
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printf '[Security]\n'
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printf 'Passphrase=%s\n' "$pass"
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printf '\nTIP: You can use this output directly as the\n' >&2
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printf ' help messages are printed to stderr.\n' >&2
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