diff options
Diffstat (limited to 'src/extra/udp.c')
| -rw-r--r-- | src/extra/udp.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/src/extra/udp.c b/src/extra/udp.c index dc476d4..ede2196 100644 --- a/src/extra/udp.c +++ b/src/extra/udp.c @@ -17,6 +17,7 @@ #define _GNU_SOURCE #include <netinet/udp.h> +#include <linux/netfilter/nfnetlink_queue.h> #include <libnetfilter_queue/libnetfilter_queue.h> #include <libnetfilter_queue/libnetfilter_queue_udp.h> #include <libnetfilter_queue/libnetfilter_queue_ipv4.h> @@ -27,6 +28,15 @@ /** * \defgroup udp UDP helper functions + * + * \manonly +.SH SYNOPSIS +.nf +\fB +#include <libmnl/libmnl.h> +#include <libnetfilter_queue/libnetfilter_queue_udp.h> +\endmanonly + * * @{ */ @@ -46,7 +56,7 @@ struct udphdr *nfq_udp_get_hdr(struct pkt_buff *pktb) return NULL; /* No room for the UDP header. */ - if (pktb->tail - pktb->transport_header < sizeof(struct udphdr)) + if (pktb_tail(pktb) - pktb->transport_header < sizeof(struct udphdr)) return NULL; return (struct udphdr *)pktb->transport_header; @@ -68,7 +78,7 @@ void *nfq_udp_get_payload(struct udphdr *udph, struct pkt_buff *pktb) return NULL; /* malformed UDP packet. */ - if (pktb->transport_header + len > pktb->tail) + if (pktb->transport_header + len > pktb_tail(pktb)) return NULL; return pktb->transport_header + sizeof(struct udphdr); @@ -83,7 +93,7 @@ void *nfq_udp_get_payload(struct udphdr *udph, struct pkt_buff *pktb) EXPORT_SYMBOL unsigned int nfq_udp_get_payload_len(struct udphdr *udph, struct pkt_buff *pktb) { - return pktb->tail - pktb->transport_header - sizeof(struct udphdr); + return pktb_tail(pktb) - pktb->transport_header - sizeof(struct udphdr); } /** @@ -91,6 +101,17 @@ unsigned int nfq_udp_get_payload_len(struct udphdr *udph, struct pkt_buff *pktb) * * Most user-space programs will never need these. * + * + * \manonly +.SH SYNOPSIS +.nf +\fB +#include <netinet/ip.h> +#include <netinet/ip6.h> +#include <netinet/udp.h> +#include <libnetfilter_queue/libnetfilter_queue_udp.h> +\endmanonly + * * @{ */ |