cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / netfilter / nfnetlink_osf.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/netfilter/nfnetlink_osf.h b/i686-linux-gnu-4.7/usr/include/linux/netfilter/nfnetlink_osf.h
new file mode 100644 (file)
index 0000000..272bc31
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/netfilter/nfnetlink_osf.h
@@ -0,0 +1,120 @@
+#ifndef _NF_OSF_H
+#define _NF_OSF_H
+
+#include <linux/types.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+
+#define MAXGENRELEN    32
+
+#define NF_OSF_GENRE   (1 << 0)
+#define NF_OSF_TTL     (1 << 1)
+#define NF_OSF_LOG     (1 << 2)
+#define NF_OSF_INVERT  (1 << 3)
+
+#define NF_OSF_LOGLEVEL_ALL            0       /* log all matched fingerprints */
+#define NF_OSF_LOGLEVEL_FIRST          1       /* log only the first matced fingerprint */
+#define NF_OSF_LOGLEVEL_ALL_KNOWN      2       /* do not log unknown packets */
+
+#define NF_OSF_TTL_TRUE                        0       /* True ip and fingerprint TTL comparison */
+
+/* Check if ip TTL is less than fingerprint one */
+#define NF_OSF_TTL_LESS                        1
+
+/* Do not compare ip and fingerprint TTL at all */
+#define NF_OSF_TTL_NOCHECK             2
+
+#define NF_OSF_FLAGMASK                (NF_OSF_GENRE | NF_OSF_TTL | \
+                                NF_OSF_LOG | NF_OSF_INVERT)
+/* Wildcard MSS (kind of).
+ * It is used to implement a state machine for the different wildcard values
+ * of the MSS and window sizes.
+ */
+struct nf_osf_wc {
+       __u32   wc;
+       __u32   val;
+};
+
+/* This struct represents IANA options
+ * http://www.iana.org/assignments/tcp-parameters
+ */
+struct nf_osf_opt {
+       __u16                   kind, length;
+       struct nf_osf_wc        wc;
+};
+
+struct nf_osf_info {
+       char    genre[MAXGENRELEN];
+       __u32   len;
+       __u32   flags;
+       __u32   loglevel;
+       __u32   ttl;
+};
+
+struct nf_osf_user_finger {
+       struct nf_osf_wc        wss;
+
+       __u8    ttl, df;
+       __u16   ss, mss;
+       __u16   opt_num;
+
+       char    genre[MAXGENRELEN];
+       char    version[MAXGENRELEN];
+       char    subtype[MAXGENRELEN];
+
+       /* MAX_IPOPTLEN is maximum if all options are NOPs or EOLs */
+       struct nf_osf_opt       opt[MAX_IPOPTLEN];
+};
+
+struct nf_osf_nlmsg {
+       struct nf_osf_user_finger       f;
+       struct iphdr                    ip;
+       struct tcphdr                   tcp;
+};
+
+/* Defines for IANA option kinds */
+enum iana_options {
+       OSFOPT_EOL = 0,         /* End of options */
+       OSFOPT_NOP,             /* NOP */
+       OSFOPT_MSS,             /* Maximum segment size */
+       OSFOPT_WSO,             /* Window scale option */
+       OSFOPT_SACKP,           /* SACK permitted */
+       OSFOPT_SACK,            /* SACK */
+       OSFOPT_ECHO,
+       OSFOPT_ECHOREPLY,
+       OSFOPT_TS,              /* Timestamp option */
+       OSFOPT_POCP,            /* Partial Order Connection Permitted */
+       OSFOPT_POSP,            /* Partial Order Service Profile */
+
+       /* Others are not used in the current OSF */
+       OSFOPT_EMPTY = 255,
+};
+
+/* Initial window size option state machine: multiple of mss, mtu or
+ * plain numeric value. Can also be made as plain numeric value which
+ * is not a multiple of specified value.
+ */
+enum nf_osf_window_size_options {
+       OSF_WSS_PLAIN   = 0,
+       OSF_WSS_MSS,
+       OSF_WSS_MTU,
+       OSF_WSS_MODULO,
+       OSF_WSS_MAX,
+};
+
+enum nf_osf_attr_type {
+       OSF_ATTR_UNSPEC,
+       OSF_ATTR_FINGER,
+       OSF_ATTR_MAX,
+};
+
+/*
+ * Add/remove fingerprint from the kernel.
+ */
+enum nf_osf_msg_types {
+       OSF_MSG_ADD,
+       OSF_MSG_REMOVE,
+       OSF_MSG_MAX,
+};
+
+#endif /* _NF_OSF_H */