summaryrefslogtreecommitdiffstats
path: root/include/libnetfilter_log/libipulog.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/libnetfilter_log/libipulog.h')
-rw-r--r--include/libnetfilter_log/libipulog.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/include/libnetfilter_log/libipulog.h b/include/libnetfilter_log/libipulog.h
new file mode 100644
index 0000000..0278862
--- /dev/null
+++ b/include/libnetfilter_log/libipulog.h
@@ -0,0 +1,69 @@
+#ifndef _LIBIPULOG_H
+#define _LIBIPULOG_H
+
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+/* FIXME: glibc sucks */
+#ifndef MSG_TRUNC
+#define MSG_TRUNC 0x20
+#endif
+
+#define ULOG_MAC_LEN 80
+#define ULOG_PREFIX_LEN 32
+#define ULOG_IFNAMSIZ 16
+
+/* Format of the ULOG packets passed through netlink */
+typedef struct ulog_packet_msg {
+ unsigned long mark;
+ long timestamp_sec;
+ long timestamp_usec;
+ unsigned int hook;
+ char indev_name[ULOG_IFNAMSIZ];
+ char outdev_name[ULOG_IFNAMSIZ];
+ size_t data_len;
+ char prefix[ULOG_PREFIX_LEN];
+ unsigned char mac_len;
+ unsigned char mac[ULOG_MAC_LEN];
+ unsigned char payload[0];
+} ulog_packet_msg_t;
+
+struct ipulog_handle;
+extern int ipulog_errno;
+
+u_int32_t ipulog_group2gmask(u_int32_t group);
+
+struct ipulog_handle *ipulog_create_handle(u_int32_t gmask, u_int32_t rmem);
+
+void ipulog_destroy_handle(struct ipulog_handle *h);
+
+ssize_t ipulog_read(struct ipulog_handle *h,
+ unsigned char *buf, size_t len, int timeout);
+
+ulog_packet_msg_t *ipulog_get_packet(struct ipulog_handle *h,
+ const unsigned char *buf,
+ size_t len);
+
+char *ipulog_strerror(int errcode);
+
+void ipulog_perror(const char *s);
+
+enum
+{
+ IPULOG_ERR_NONE = 0,
+ IPULOG_ERR_IMPL,
+ IPULOG_ERR_HANDLE,
+ IPULOG_ERR_SOCKET,
+ IPULOG_ERR_BIND,
+ IPULOG_ERR_RECVBUF,
+ IPULOG_ERR_RECV,
+ IPULOG_ERR_NLEOF,
+ IPULOG_ERR_TRUNC,
+ IPULOG_ERR_INVGR,
+ IPULOG_ERR_INVNL,
+};
+#define IPULOG_MAXERR IPULOG_ERR_INVNL
+
+
+#endif /* _LIBIPULOG_H */