kernel-netlink: Use recv() instead of recvfrom()

As we are not interested in the returned address, there is really no need
in passing that argument.

diff --git a/src/libhydra/plugins/kernel_netlink/kernel_netlink_shared.c b/src/libhydra/plugins/kernel_netlink/kernel_netlink_shared.c
index 30d5aaabddf47788d61f5057b33078ba53634f24..4274991084a8efb6997af9e7c952e4c256544a8c 100644 (file)
--- a/src/libhydra/plugins/kernel_netlink/kernel_netlink_shared.c
+++ b/src/libhydra/plugins/kernel_netlink/kernel_netlink_shared.c
@@ -65,7 +65,7 @@ METHOD(netlink_socket_t, netlink_send, status_t,
        private_netlink_socket_t *this, struct nlmsghdr *in, struct nlmsghdr **out,
        size_t *out_len)
 {
-       int len, addr_len;
+       int len;
        struct sockaddr_nl addr;
        chunk_t result = chunk_empty, tmp;
        struct nlmsghdr *msg, peek;
@@ -113,14 +113,7 @@ METHOD(netlink_socket_t, netlink_send, status_t,
                tmp.ptr = buf;
                msg = (struct nlmsghdr*)tmp.ptr;
 
-               memset(&addr, 0, sizeof(addr));
-               addr.nl_family = AF_NETLINK;
-               addr.nl_pid = getpid();
-               addr.nl_groups = 0;
-               addr_len = sizeof(addr);
-
-               len = recvfrom(this->socket, tmp.ptr, tmp.len, 0,
-                                          (struct sockaddr*)&addr, &addr_len);
+               len = recv(this->socket, tmp.ptr, tmp.len, 0);
 
                if (len < 0)
                {
@@ -161,8 +154,7 @@ METHOD(netlink_socket_t, netlink_send, status_t,
 
                /* NLM_F_MULTI flag does not seem to be set correctly, we use sequence
                 * numbers to detect multi header messages */
-               len = recvfrom(this->socket, &peek, sizeof(peek), MSG_PEEK | MSG_DONTWAIT,
-                                          (struct sockaddr*)&addr, &addr_len);
+               len = recv(this->socket, &peek, sizeof(peek), MSG_PEEK | MSG_DONTWAIT);
 
                if (len == sizeof(peek) && peek.nlmsg_seq == this->seq)
                {