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Dont forward the ping packet

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This commit is contained in:
Erik Ekman 2006-06-05 23:56:32 +00:00
parent 36b134361b
commit e24f396039
2 changed files with 12 additions and 8 deletions
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5
dns.c
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@ -185,7 +185,7 @@ dns_ping(int dns_fd)
printf("No reply on chunk, resending\n"); printf("No reply on chunk, resending\n");
dns_send_chunk(dns_fd); dns_send_chunk(dns_fd);
} else { } else {
dns_write(dns_fd, dns_fd, "", 0); dns_write(dns_fd, chunkid++, "", 0);
} }
} }
@ -258,12 +258,14 @@ dns_write(int fd, int id, char *buf, int len)
avail = MIN(avail, len); // do not use more bytes than is available; avail = MIN(avail, len); // do not use more bytes than is available;
final = (avail == len); // is this the last block? final = (avail == len); // is this the last block?
bzero(data, sizeof(data));
d = data; d = data;
// First byte is 0 for middle packet and 1 for last packet // First byte is 0 for middle packet and 1 for last packet
*d = '0' + final; *d = '0' + final;
d++; d++;
if (len > 0) {
for (i = 0; i < avail; i++) { for (i = 0; i < avail; i++) {
if (i > 0 && i % 31 == 0) { if (i > 0 && i % 31 == 0) {
*d = '.'; *d = '.';
@ -272,6 +274,7 @@ dns_write(int fd, int id, char *buf, int len)
put_hex(d, buf[i]); put_hex(d, buf[i]);
d += 2; d += 2;
} }
}
if (*d != '.') { if (*d != '.') {
*d++ = '.'; *d++ = '.';
} }

3
dnsd.c
View file

@ -290,8 +290,9 @@ dnsd_read(int fd, char *buf, int buflen)
packetlen++; packetlen++;
} }
dnsd_respond(fd, id, from); dnsd_respond(fd, id, from);
if (lastblock && packetlen == 0) { if (lastblock && packetlen < 2) {
// Skipping ping packet // Skipping ping packet
packetlen = 0;
return 0; return 0;
} }
if (lastblock) { if (lastblock) {