The buffer passed to nfnl_fill_hdr needs to aligned because some
architectures (e.g. ARM) cannot do proper 32-bit read/writes on
unaligned addresses. This patch solves this for libnetfilter_queue.
Signed-off-by: Szilveszter Ordog <slipszi@xxxxxxxxx>
diff -uNpr libnetfilter_queue-0.0.15-orig/src/libnetfilter_queue.c
libnetfilter_queue-0.0.15/src/libnetfilter_queue.c
--- libnetfilter_queue-0.0.15-orig/src/libnetfilter_queue.c 2007-03-22
00:49:46.000000000 +0100
+++ libnetfilter_queue-0.0.15/src/libnetfilter_queue.c 2008-01-08
14:50:53.000000000 +0100
@@ -98,7 +98,7 @@ __build_send_cfg_msg(struct nfq_handle *
u_int16_t queuenum, u_int16_t pf)
{
char buf[NFNL_HEADER_LEN
- +NFA_LENGTH(sizeof(struct nfqnl_msg_config_cmd))];
+ +NFA_LENGTH(sizeof(struct nfqnl_msg_config_cmd))] __attribute__((aligned));
struct nfqnl_msg_config_cmd cmd;
struct nlmsghdr *nmh = (struct nlmsghdr *) buf;
@@ -273,7 +273,7 @@ int nfq_set_mode(struct nfq_q_handle *qh
u_int8_t mode, u_int32_t range)
{
char buf[NFNL_HEADER_LEN
- +NFA_LENGTH(sizeof(struct nfqnl_msg_config_params))];
+ +NFA_LENGTH(sizeof(struct nfqnl_msg_config_params))]
__attribute__((aligned));
struct nfqnl_msg_config_params params;
struct nlmsghdr *nmh = (struct nlmsghdr *) buf;
@@ -292,7 +292,7 @@ int nfq_set_queue_maxlen(struct nfq_q_ha
u_int32_t queuelen)
{
char buf[NFNL_HEADER_LEN
- +NFA_LENGTH(sizeof(struct nfqnl_msg_config_params))];
+ +NFA_LENGTH(sizeof(struct nfqnl_msg_config_params))]
__attribute__((aligned));
u_int32_t queue_maxlen = htonl(queuelen);
struct nlmsghdr *nmh = (struct nlmsghdr *) buf;
@@ -312,7 +312,7 @@ static int __set_verdict(struct nfq_q_ha
struct nfqnl_msg_verdict_hdr vh;
char buf[NFNL_HEADER_LEN
+NFA_LENGTH(sizeof(mark))
- +NFA_LENGTH(sizeof(vh))];
+ +NFA_LENGTH(sizeof(vh))] __attribute__((aligned));
struct nlmsghdr *nmh = (struct nlmsghdr *) buf;
struct iovec iov[3];
-
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