1 files changed, 62 insertions, 0 deletions
diff --git a/src/plugins/ifw/libnl_ifw.c b/src/plugins/ifw/libnl_ifw.c
new file mode 100644
index 0000000..bb41363
--- /dev/null
+++ b/src/plugins/ifw/libnl_ifw.c
@@ -0,0 +1,62 @@
+/* nl_create_socket(), nl_bind_socket() and nl_read_msg()
+ * for Interactive Firewall
+ * sbellabes@mandriva.com
+ */
+
+
+#include <asm/types.h>
+#include <sys/socket.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#include "libnl_ifw.h"
+
+int nl_ifw_bind_socket(int s) {
+	struct sockaddr_nl saddr_nl;
+	int res;
+
+	memset(&saddr_nl, 0, sizeof(struct sockaddr_nl));
+	saddr_nl.nl_family = AF_NETLINK;
+	saddr_nl.nl_pid = getpid();
+	saddr_nl.nl_groups = 10;
+	
+	res = bind(s, (struct sockaddr *)&saddr_nl, sizeof(saddr_nl));
+	if (res == -1) {
+		perror("nl_bind_socket");
+		return -1;
+	}
+	return 1;
+}
+
+int nl_ifw_create_socket(void) {
+	int s;
+	
+	s = socket(PF_NETLINK, SOCK_RAW, NETLINK_IFWLOG);
+	if (s < 0) {
+		perror("nl_create_socket");
+		return -1;
+	}
+
+	if (nl_ifw_bind_socket(s) < 0) {
+		close(s);
+		fprintf(stderr, "bind failed\n");
+		return -1;
+        }
+
+	return s;
+}
+
+int nl_ifw_read_msg(int s, struct nlmsghdr *nlh, struct nl_msg *msg) {
+	char buf[sizeof(struct nlmsghdr) + sizeof(struct nl_msg)];
+        int ret;
+
+        ret = recv(s, &buf, sizeof(buf), 0);
+	if (ret > 0) {
+                if (nlh) memcpy(nlh, buf, sizeof(struct nlmsghdr));
+                if (msg) memcpy(msg, NLMSG_DATA(buf), sizeof(struct nl_msg));
+	}
+
+	return ret;
+}