miegl/glorytun
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Drop too large packets

Browse Source
This commit is contained in:
Adrien Gallouët
2017-01-04 14:15:18 +00:00
parent 76cd7ed4b8
commit c591a4d3cc
1 changed files with 3 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/main.c
View File

@@ -385,10 +385,11 @@ main(int argc, char **argv)
if (FD_ISSET(tun_fd, &rfds)) { if (FD_ISSET(tun_fd, &rfds)) {
size_t size = 0; size_t size = 0;
while (sizeof(buf) - size > gt.mtu) { while (sizeof(buf) - size >= gt.mtu) {
const ssize_t r = tun_read(tun_fd, &buf[size], const ssize_t r = tun_read(tun_fd, &buf[size],
sizeof(buf) - size); sizeof(buf) - size);
if (r <= 0)
if (r <= 0 || r > gt.mtu)
break; break;
struct ip_common ic; struct ip_common ic;