27 lines
798 B
Bash
Executable File
27 lines
798 B
Bash
Executable File
#!/bin/bash
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# FILE: wgapi:back/lib/ns_lookup_rdns
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# DESCRIPTION: Get a domain from an IP address
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# USAGE: rdns ip
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# OUTPUT: The domain for that IP
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# ERRORS:
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# 3: bad usage
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# 4: not found
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# 5: server down
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# 6: nslookup not found
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# 7: config not found
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# Accept exactly one argument
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[ ${#} -eq 1 ] || exit 3
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CONFIG_FILE='/etc/wgapi/config'
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[ -f "${CONFIG_FILE}" ] || exit 7
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source "${CONFIG_FILE}"
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domain="$("${LIB_DIR}/ns_lookup_send" "${1}")"
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case $? in
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0) printf '%s' "${domain%.}" | cut -d'=' -f2 | xargs -0; exit 0;;
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4) printf 'Domain for %s not found!\n' "${1}" >&2; exit 4;;
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5) printf 'Nameserver not available: %s\n' "${DNS_MASTER}" >&2; exit 5;;
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6) printf 'nslookup not installed!\n' >&2; exit 6;;
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*) printf 'Bad usage: %s %s\n' "${0}" "${@}" >&2; exit 3;;
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esac
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