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| author | Tom Gundersen <teg@jklm.no> | 2015-06-24 21:22:46 +0200 |
|---|---|---|
| committer | Tom Gundersen <teg@jklm.no> | 2015-07-14 12:03:04 +0200 |
| commit | a0166609f782da91710dea9183d1bf138538db37 (patch) | |
| tree | 766e80f1d02801a548faafb98f4c4148198e51f6 /src/resolve/resolved-dns-packet.h | |
| parent | ff89f8b917a83a3fc0dc3ad0961c3bc953f78e8f (diff) | |
resolved: packet - ensure there is space for IP+UDP headers
Currently we only make sure our links can handle the size of the payload witohut
taking the headers into account.
Diffstat (limited to 'src/resolve/resolved-dns-packet.h')
| -rw-r--r-- | src/resolve/resolved-dns-packet.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-packet.h b/src/resolve/resolved-dns-packet.h index bf998aa84e..6588ed9df5 100644 --- a/src/resolve/resolved-dns-packet.h +++ b/src/resolve/resolved-dns-packet.h @@ -21,6 +21,8 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ +#include <netinet/udp.h> +#include <netinet/ip.h> #include "macro.h" #include "sparse-endian.h" @@ -53,6 +55,7 @@ struct DnsPacketHeader { }; #define DNS_PACKET_HEADER_SIZE sizeof(DnsPacketHeader) +#define UDP_PACKET_HEADER_SIZE (sizeof(struct iphdr) + sizeof(struct udphdr)) /* The various DNS protocols deviate in how large a packet can grow, but the TCP transport has a 16bit size field, hence that appears to |