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be more conservative with max hostname/data len

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frekky 2017-07-04 21:45:35 +02:00
parent 6e7099866f
commit 2a425b90f7
1 changed files with 2 additions and 2 deletions
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4
src/encoding.c
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@ -27,8 +27,8 @@ size_t
get_raw_length_from_dns(size_t enc_bytes, struct encoder *enc, const char *topdomain)
/* Returns the maximum length of raw data that can be encoded into enc_bytes */
{
/* 2 byte for something - seems necessary */
size_t enc_datalen = enc_bytes - strlen(topdomain) - 2;
/* 4 byte for dots and extra - seems necessary */
size_t enc_datalen = enc_bytes - strlen(topdomain) - 4;
/* Number of dots in length of encoded data */
size_t dots = 1;
if (!enc->eats_dots()) /* Dots are not included in encoded data length */