28 lines
659 B
Bash
Executable File
28 lines
659 B
Bash
Executable File
#!/bin/bash
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# FILE: wgapi:back/lib/ns/lookup/send
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# DESCRIPTION: Send nslookup command to DNS master server
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# USAGE: send cmd
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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 file not found
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# 8: other nslookup error
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CONFIG_FILE='/etc/wgapi/config'
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[ ${#} -eq 1 ] || exit 3
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[ -f "${CONFIG_FILE}" ] || exit 7
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[ -x /usr/bin/nslookup ] || exit 6
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source "${CONFIG_FILE}"
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if ! res="$(/usr/bin/nslookup "${1}" "${DNS_MASTER}")"
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then exit 8
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fi
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if <<<"${res}" grep ';; .* timed out'
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then exit 5
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elif <<<"${res}" grep "\*\* .*: NXDOMAIN\|\*\*\* .*: No answer"
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then exit 4
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else printf '%s' "${res}"
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fi
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