Ignore nonzero Z in requests

2013-04-28 03:22:22 +02:00 · 2013-04-28 03:22:22 +02:00 · 7552cbcc47
parent 966d040f8d
commit 7552cbcc47
1 changed files with 0 additions and 2 deletions
--- a/dns.c
+++ b/dns.c
@ -251,8 +251,6 @@ ssize_t static dnshandle(dns_opt_t *opt, const unsigned char *inbuf, size_t insi
  if (inbuf[2] & 128) { /* printf("Got response?\n"); */ error = 1; goto error; }
  // check opcode
  if (((inbuf[2] & 120) >> 3) != 0) { /* printf("Opcode nonzero?\n"); */ error = 4; goto error; }
-  // check Z
-  if (((inbuf[3] & 112) >> 4) != 0) { /* printf("Z nonzero?\n"); */ error = 1; goto error; }
  // unset TC
  outbuf[2] &= ~2;
  // unset RA