| … | |
… | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
15 | GNU General Public License for more details. |
| 16 | |
16 | |
| 17 | You should have received a copy of the GNU General Public License |
17 | You should have received a copy of the GNU General Public License |
| 18 | along with gvpe; if not, write to the Free Software |
18 | along with gvpe; if not, write to the Free Software |
| 19 | Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 | Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | */ |
20 | */ |
| 21 | |
21 | |
| 22 | // TODO: EDNS0 option to increase dns mtu? |
22 | // TODO: EDNS0 option to increase dns mtu? |
| 23 | // TODO: re-write dns packet parsing/creation using a safe mem-buffer |
23 | // TODO: re-write dns packet parsing/creation using a safe mem-buffer |
| 24 | // to ensure no buffer overflows or similar problems. |
24 | // to ensure no buffer overflows or similar problems. |
| … | |
… | |
| 461 | r4 = r5 = r6 = r7 = 0; |
461 | r4 = r5 = r6 = r7 = 0; |
| 462 | } |
462 | } |
| 463 | |
463 | |
| 464 | bool dns_cfg::valid () |
464 | bool dns_cfg::valid () |
| 465 | { |
465 | { |
|
|
466 | // although the protocol itself allows for some configurability, |
|
|
467 | // only the following encoding/decoding settings are implemented. |
| 466 | return id1 == 'G' |
468 | return id1 == 'G' |
| 467 | && id2 == 'V' |
469 | && id2 == 'V' |
| 468 | && id3 == 'P' |
470 | && id3 == 'P' |
| 469 | && id4 == 'E' |
471 | && id4 == 'E' |
| 470 | && seq_cdc == 26 |
472 | && seq_cdc == 26 |
