1 files changed, 0 insertions, 273 deletions
diff --git a/libnl_2/netlink.c b/libnl_2/netlink.c
deleted file mode 100644
index ee3d600..0000000
--- a/libnl_2/netlink.c
+++ /dev/null
@@ -1,273 +0,0 @@
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *	http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/* NOTICE: This is a clean room re-implementation of libnl */
-
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/socket.h>
-#include "netlink-types.h"
-
-#define NL_BUFFER_SZ (32768U)
-
-/* Checks message for completeness and sends it out */
-int nl_send_auto_complete(struct nl_sock *sk, struct nl_msg *msg)
-{
-	struct nlmsghdr *nlh = msg->nm_nlh;
-	struct timeval tv;
-
-	if (!nlh) {
-		int errsv = errno;
-		fprintf(stderr, "Netlink message header is NULL!\n");
-		return -errsv;
-	}
-
-	/* Complete the nl_msg header */
-	if (gettimeofday(&tv, NULL))
-		nlh->nlmsg_seq = 1;
-	else
-		nlh->nlmsg_seq = (int) tv.tv_sec;
-	nlh->nlmsg_pid = sk->s_local.nl_pid;
-	nlh->nlmsg_flags |= NLM_F_REQUEST | NLM_F_ACK;
-
-	return nl_send(sk, msg);
-}
-
-/* Receives a netlink message, allocates a buffer in *buf and stores
- * the message content. The peer's netlink address is stored in
- * *nla. The caller is responsible for freeing the buffer allocated in
- * *buf if a positive value is returned. Interrupted system calls are
- * handled by repeating the read. The input buffer size is determined
- * by peeking before the actual read is done */
-int nl_recv(struct nl_sock *sk, struct sockaddr_nl *nla, \
-	unsigned char **buf, struct ucred **creds)
-{
-	int rc = -1;
-	int sk_flags;
-	int RECV_BUF_SIZE = getpagesize();
-	int errsv;
-	struct iovec recvmsg_iov;
-	struct msghdr msg;
-
-	/* Allocate buffer */
-	*buf = (unsigned char *) malloc(RECV_BUF_SIZE);
-	if (!(*buf)) {
-		rc = -ENOMEM;
-		goto fail;
-	}
-
-	/* Prepare to receive message */
-	recvmsg_iov.iov_base = *buf;
-	recvmsg_iov.iov_len = RECV_BUF_SIZE;
-
-	msg.msg_name = (void *) &sk->s_peer;
-	msg.msg_namelen = sizeof(sk->s_peer);
-	msg.msg_iov = &recvmsg_iov;
-	msg.msg_iovlen = 1;
-	msg.msg_control = NULL;
-	msg.msg_controllen = 0;
-	msg.msg_flags = 0;
-
-	/* Make non blocking and then restore previous setting */
-	sk_flags = fcntl(sk->s_fd, F_GETFL, 0);
-	fcntl(sk->s_fd, F_SETFL, O_NONBLOCK);
-	rc = recvmsg(sk->s_fd, &msg, 0);
-	errsv = errno;
-	fcntl(sk->s_fd, F_SETFL, sk_flags);
-
-	if (rc < 0) {
-		rc = -errsv;
-		free(*buf);
-		*buf = NULL;
-	}
-
-fail:
-	return rc;
-}
-
-/* Receive a set of messages from a netlink socket */
-/* NOTE: Does not currently support callback replacements!!! */
-int nl_recvmsgs(struct nl_sock *sk, struct nl_cb *cb)
-{
-	struct sockaddr_nl nla;
-	struct ucred *creds;
-
-	int rc, cb_rc = NL_OK, done = 0;
-
-	do {
-		unsigned char *buf;
-		int i, rem, flags;
-		struct nlmsghdr *nlh;
-		struct nlmsgerr *nlme;
-		struct nl_msg *msg;
-
-		done = 0;
-		rc = nl_recv(sk, &nla, &buf, &creds);
-		if (rc < 0)
-			break;
-
-		nlmsg_for_each_msg(nlh, (struct nlmsghdr *) buf, rc, rem) {
-
-			if (rc <= 0 || cb_rc == NL_STOP)
-				break;
-
-			/* Check for callbacks */
-
-			msg = (struct nl_msg *) malloc(sizeof(struct nl_msg));
-			memset(msg, 0, sizeof(*msg));
-			msg->nm_nlh = nlh;
-
-			/* Check netlink message type */
-
-			switch (msg->nm_nlh->nlmsg_type) {
-			case NLMSG_ERROR:	  /* Used for ACK too */
-				/* Certainly we should be doing some
-				 * checking here to make sure this
-				 * message is intended for us */
-				nlme = nlmsg_data(msg->nm_nlh);
-				if (nlme->error == 0)
-					msg->nm_nlh->nlmsg_flags |= NLM_F_ACK;
-
-				rc = nlme->error;
-				cb_rc = cb->cb_err(&nla, nlme, cb->cb_err_arg);
-				nlme = NULL;
-				break;
-
-			case NLMSG_DONE:
-				done = 1;
-
-			case NLMSG_OVERRUN:
-			case NLMSG_NOOP:
-			default:
-				break;
-			};
-
-			for (i = 0; i <= NL_CB_TYPE_MAX; i++) {
-
-				if (cb->cb_set[i]) {
-					switch (i) {
-					case NL_CB_VALID:
-						if (rc > 0)
-							cb_rc = cb->cb_set[i](msg, cb->cb_args[i]);
-						break;
-
-					case NL_CB_FINISH:
-						if ((msg->nm_nlh->nlmsg_flags & NLM_F_MULTI) &&
-							(msg->nm_nlh->nlmsg_type & NLMSG_DONE))
-							cb_rc = cb->cb_set[i](msg, cb->cb_args[i]);
-
-						break;
-
-					case NL_CB_ACK:
-						if (msg->nm_nlh->nlmsg_flags & NLM_F_ACK)
-							cb_rc = cb->cb_set[i](msg, cb->cb_args[i]);
-
-						break;
-					default:
-						break;
-					}
-				}
-			}
-
-			free(msg);
-			if (done)
-				break;
-		}
-		free(buf);
-		buf = NULL;
-
-		if (done)
-			break;
-	} while (rc > 0 && cb_rc != NL_STOP);
-
-success:
-fail:
-	return rc;
-}
-
-/* Send raw data over netlink socket */
-int nl_send(struct nl_sock *sk, struct nl_msg *msg)
-{
-	struct nlmsghdr *nlh = nlmsg_hdr(msg);
-	struct iovec msg_iov;
-
-	/* Create IO vector with Netlink message */
-	msg_iov.iov_base = nlh;
-	msg_iov.iov_len = nlh->nlmsg_len;
-
-	return nl_send_iovec(sk, msg, &msg_iov, 1);
-}
-
-/* Send netlink message */
-int nl_send_iovec(struct nl_sock *sk, struct nl_msg *msg,
-		   struct iovec *iov, unsigned iovlen)
-{
-	int rc;
-
-	/* Socket message */
-	struct msghdr mh = {
-		.msg_name = (void *) &sk->s_peer,
-		.msg_namelen = sizeof(sk->s_peer),
-		.msg_iov = iov,
-		.msg_iovlen = iovlen,
-		.msg_control = NULL,
-		.msg_controllen = 0,
-		.msg_flags = 0
-	};
-
-	/* Send message and verify sent */
-	rc = nl_sendmsg(sk, (struct nl_msg *) &mh, 0);
-	if (rc < 0)
-		fprintf(stderr, "Error sending netlink message: %d\n", errno);
-	return rc;
-
-}
-
-/* Send netlink message with control over sendmsg() message header */
-int nl_sendmsg(struct nl_sock *sk, struct nl_msg *msg, struct msghdr *hdr)
-{
-	return sendmsg(sk->s_fd, (struct msghdr *) msg, (int) hdr);
-}
-
-/* Create and connect netlink socket */
-int nl_connect(struct nl_sock *sk, int protocol)
-{
-	struct sockaddr addr;
-	socklen_t addrlen;
-	int rc;
-
-	/* Create RX socket */
-	sk->s_fd = socket(PF_NETLINK, SOCK_RAW, protocol);
-	if (sk->s_fd < 0)
-		return -errno;
-
-	/* Set size of RX and TX buffers */
-	if (nl_socket_set_buffer_size(sk, NL_BUFFER_SZ, NL_BUFFER_SZ) < 0)
-		return -errno;
-
-	/* Bind RX socket */
-	rc = bind(sk->s_fd, (struct sockaddr *)&sk->s_local, \
-		sizeof(sk->s_local));
-	if (rc < 0)
-		return -errno;
-	addrlen = sizeof(addr);
-	getsockname(sk->s_fd, &addr, &addrlen);
-
-	return 0;
-
-}