ng_parse: IP address parsing in netgraph eating too many characters
Once the final component of the IP address has been parsed, the offset on the input must not be advanced, as this would remove an unparsed character from the input. Submitted by: Markus Stoff Reviewed by: donner MFC after: 3 weeks Differential Revision: https://reviews.freebsd.org/D26489
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@ -960,9 +960,11 @@ ng_ipaddr_parse(const struct ng_parse_type *type,
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if ((error = ng_int8_parse(&ng_parse_int8_type,
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s, off, start, buf + i, buflen)) != 0)
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return (error);
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if (i < 3 && s[*off] != '.')
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return (EINVAL);
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(*off)++;
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if (i < 3) {
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if (s[*off] != '.')
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return (EINVAL);
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(*off)++;
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}
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}
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*buflen = 4;
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return (0);
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