Hi,
i think I've found a bug in latest pdns from git.
I use pdns as a slave to a bind9 server. I have several zones with txt records,
which contain among other characters some tabulators. When pdns writes the zone
on disc, all the tabs are replaced with string "\009". I believe this should
not happen.
I've tracked the problem to pdns/dnsparser.cc in function static string
txtEscape(const string &name) where the escaping happens.
I've solved it for my self this way:
diff --git a/pdns/dnsparser.cc b/pdns/dnsparser.cc
index b0030fd..a81182d 100644
--- a/pdns/dnsparser.cc
+++ b/pdns/dnsparser.cc
@@ -413,7 +413,7 @@ static string txtEscape(const string &name)
char ebuf[5];
for(string::const_iterator i=name.begin();i!=name.end();++i) {
- if((unsigned char) *i > 127 || (unsigned char) *i < 32) {
+ if(((unsigned char) *i > 127 || (unsigned char) *i < 32) && (unsigned
char) *i != 9) { // hey teacher, leave the tabs alone
snprintf(ebuf, sizeof(ebuf), "\\%03u", (unsigned char)*i);
ret += ebuf;
}
Regards,
Michal Babuska
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