36 lines
1.4 KiB
Bash
Executable File
36 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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# FILE: fed/peer/add
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# DESCRIPTION: Add a new peer from a federated server
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# USAGE: add $remote_ip $querystring
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# QUERYSTRING: ?secret=$secret&pubkey=$pubkey&psk=$psk&ips=$allowedips
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source /etc/wagon/config
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ip="${1}"; qs="$(<<<"${2}" tr '&' '\n' | sed 's/?//')"
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secret="$(<<<"${qs}" grep -oP 'secret=(.*)' | sed 's/^secret=//' | xargs)"
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pubkey="$(<<<"${qs}" grep -oP 'pubkey=(.*)' | sed 's/^pubkey=//' | xargs)"
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psk="$(<<<"${qs}" grep -oP 'psk=(.*)' | sed 's/^psk=//' | xargs)"
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allowedips="$(<<<"${qs}" grep -oP 'ips=(.*)' | sed 's/^ips=//' | xargs)"
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# Check that requesting ip is in the servers file
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if ! sed '/^#/d' /etc/wagon/servers | cut -f2,3 | grep -qw "${ip}"; then
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printf "ERROR! Federated server %s requested to create new peer but isn't in servers file!/n" "${ip}" >&2
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/usr/lib/wagon/http_res 403; exit
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fi
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# Check server secret
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local_secret="$(grep -w "^${LOCAL_SERVER}" /etc/wagon/servers | cut -f7)"
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if ! [ "${local_secret}" == "${secret}" ]; then
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printf "ERROR! Federated server %s provided a secret, %s, that doesn't match the one in our servers file, %s\n" "${ip}" "${secret}" "${local_secret}" >&2
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/usr/lib/wagon/http_res 403; exit
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fi
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# Add peer to wireguard
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if /usr/lib/wagon/wg_peer_add "${pubkey}" "${psk}" "${allowedips}"; then
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printf 'Added %s to wireguard.\n' "${pubkey}" >&2
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else
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printf 'ERROR! Failed to add %s to wireguard!\n' "${pubkey}" >&2
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/usr/lib/wagon/http_res 500; exit
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fi
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/usr/lib/wagon/http_res 200
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