diff options
Diffstat (limited to 'src/extra/ipv4.c')
| -rw-r--r-- | src/extra/ipv4.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/extra/ipv4.c b/src/extra/ipv4.c index 56d5dc7..a93d113 100644 --- a/src/extra/ipv4.c +++ b/src/extra/ipv4.c @@ -32,7 +32,7 @@ * This funcion returns NULL if the IPv4 is malformed or the protocol version * is not 4. On success, it returns a valid pointer to the IPv4 header. */ -struct iphdr __EXPORTED *nfq_ip_get_hdr(struct pkt_buff *pktb) +struct iphdr *nfq_ip_get_hdr(struct pkt_buff *pktb) { struct iphdr *iph; unsigned int pktlen = pktb->tail - pktb->network_header; @@ -53,13 +53,14 @@ struct iphdr __EXPORTED *nfq_ip_get_hdr(struct pkt_buff *pktb) return iph; } +EXPORT_SYMBOL(nfq_ip_get_hdr); /** * nfq_ip_set_transport_header - set transport header * \param pktb: pointer to network packet buffer * \param iph: pointer to the IPv4 header */ -int __EXPORTED nfq_ip_set_transport_header(struct pkt_buff *pktb, struct iphdr *iph) +int nfq_ip_set_transport_header(struct pkt_buff *pktb, struct iphdr *iph) { int doff = iph->ihl * 4; @@ -70,6 +71,7 @@ int __EXPORTED nfq_ip_set_transport_header(struct pkt_buff *pktb, struct iphdr * pktb->transport_header = pktb->network_header + doff; return 0; } +EXPORT_SYMBOL(nfq_ip_set_transport_header); /** * nfq_ip_set_checksum - set IPv4 checksum @@ -78,13 +80,14 @@ int __EXPORTED nfq_ip_set_transport_header(struct pkt_buff *pktb, struct iphdr * * \note Call to this function if you modified the IPv4 header to update the * checksum. */ -void __EXPORTED nfq_ip_set_checksum(struct iphdr *iph) +void nfq_ip_set_checksum(struct iphdr *iph) { uint32_t iph_len = iph->ihl * 4; iph->check = 0; iph->check = nfq_checksum(0, (uint16_t *)iph, iph_len); } +EXPORT_SYMBOL(nfq_ip_set_checksum); /** * nfq_ip_mangle - mangle IPv4 packet buffer @@ -97,7 +100,7 @@ void __EXPORTED nfq_ip_set_checksum(struct iphdr *iph) * * \note This function recalculates the IPv4 checksum (if needed). */ -int __EXPORTED nfq_ip_mangle(struct pkt_buff *pkt, unsigned int dataoff, +int nfq_ip_mangle(struct pkt_buff *pkt, unsigned int dataoff, unsigned int match_offset, unsigned int match_len, const char *rep_buffer, unsigned int rep_len) { @@ -113,6 +116,7 @@ int __EXPORTED nfq_ip_mangle(struct pkt_buff *pkt, unsigned int dataoff, return 1; } +EXPORT_SYMBOL(nfq_ip_mangle); /** * nfq_pkt_snprintf_ip - print IPv4 header into buffer in iptables LOG format @@ -124,7 +128,7 @@ int __EXPORTED nfq_ip_mangle(struct pkt_buff *pkt, unsigned int dataoff, * case that there is enough room in the buffer. Read snprintf manpage for more * information to know more about this strange behaviour. */ -int __EXPORTED nfq_ip_snprintf(char *buf, size_t size, const struct iphdr *iph) +int nfq_ip_snprintf(char *buf, size_t size, const struct iphdr *iph) { int ret; struct in_addr src = { iph->saddr }; @@ -143,6 +147,7 @@ int __EXPORTED nfq_ip_snprintf(char *buf, size_t size, const struct iphdr *iph) return ret; } +EXPORT_SYMBOL(nfq_ip_snprintf); /** * @} |