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Filter out invalid characters in domain names.

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Giovanni Bajo
2012-04-22 15:59:27 +02:00
committed by Simon Kelley
parent c7a93f6e4e
commit b98f771519
1 changed files with 2 additions and 0 deletions
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2
src/dnssec.c
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@@ -93,6 +93,8 @@ static int extract_name_no_compression(unsigned char *rr, int maxlen, char *buf)
while (count-- >= 0 && rr < end) while (count-- >= 0 && rr < end)
{ {
*buf = *rr++; *buf = *rr++;
if (!isascii(*buf) || iscntrl(*buf) || *buf == '.')
return 0;
if (*buf >= 'A' && *buf <= 'Z') if (*buf >= 'A' && *buf <= 'Z')
*buf += 'a' - 'A'; *buf += 'a' - 'A';
buf++; buf++;