[NETFILTER]: nfnetlink_log: include GID in netlink message
Similar to Maciej Soltysiak's ipt_LOG patch, include GID in addition
to UID in netlink message.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/netfilter/nfnetlink_log.h b/include/linux/netfilter/nfnetlink_log.h
index 5966afa..a857213 100644
--- a/include/linux/netfilter/nfnetlink_log.h
+++ b/include/linux/netfilter/nfnetlink_log.h
@@ -47,6 +47,7 @@
NFULA_UID, /* user id of socket */
NFULA_SEQ, /* instance-local sequence number */
NFULA_SEQ_GLOBAL, /* global sequence number */
+ NFULA_GID, /* group id of socket */
__NFULA_MAX
};
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 950b1f0..5013cb9 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -467,9 +467,11 @@
read_lock_bh(&skb->sk->sk_callback_lock);
if (skb->sk->sk_socket && skb->sk->sk_socket->file) {
__be32 uid = htonl(skb->sk->sk_socket->file->f_uid);
+ __be32 gid = htons(skb->sk->sk_socket->file->f_gid);
/* need to unlock here since NLA_PUT may goto */
read_unlock_bh(&skb->sk->sk_callback_lock);
NLA_PUT_BE32(inst->skb, NFULA_UID, uid);
+ NLA_PUT_BE32(inst->skb, NFULA_GID, gid);
} else
read_unlock_bh(&skb->sk->sk_callback_lock);
}
@@ -564,6 +566,7 @@
#endif
+ nla_total_size(sizeof(u_int32_t)) /* mark */
+ nla_total_size(sizeof(u_int32_t)) /* uid */
+ + nla_total_size(sizeof(u_int32_t)) /* gid */
+ nla_total_size(plen) /* prefix */
+ nla_total_size(sizeof(struct nfulnl_msg_packet_hw))
+ nla_total_size(sizeof(struct nfulnl_msg_packet_timestamp));