INNER CODE UNIT · Shell

out

bivlked/amneziawg-installer · awg_common.sh:2446

    out=$(ip -4 -o addr show awg0 2>/dev/null \
        | awk '{ for (i = 1; i <= NF; i++) if ($i == "inet") { print $(i + 1); exit } }')
    if [[ -z "$out" && -r "$SERVER_CONF_FILE" ]]; then
        out=$(awk '
            /^[[:space:]]*#/ { next }
            /^[[:space:]]*\[/ { inif = (tolower($0) ~ /^[[:space:]]*\[interface\]/) ? 1 : 0; next }
            inif && tolower($0) ~ /^[[:space:]]*address[[:space:]]*=/ {
                sub(/^[^=]*=[[:space:]]*/, "")
                n = split($0, parts, ",")
                for (i = 1; i <= n; i++) {
                    gsub(/[[:space:]]/, "", parts[i])
                    if (parts[i] ~ /^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+\/[0-9]+$/) { print parts[i]; exit }
                }
            }' "$SERVER_CONF_FILE")
    fi
    [[ -z "$out" && -n "${AWG_TUNNEL_SUBNET:-}" ]] && out="$AWG_TUNNEL_SUBNET"
    printf '%s' "$out"
}

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