1 files changed, 128 insertions, 0 deletions
diff --git a/include/libipset/types.h b/include/libipset/types.h
new file mode 100644
index 0000000..461931a
--- /dev/null
+++ b/include/libipset/types.h
@@ -0,0 +1,128 @@
+/* Copyright 2007-2010 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu)
+ *
+ * This program is free software; you can redistribute it and/or modify   
+ * it under the terms of the GNU General Public License version 2 as 
+ * published by the Free Software Foundation.
+ */
+#ifndef LIBIPSET_TYPES_H
+#define LIBIPSET_TYPES_H
+
+#include <stdint.h>				/* uintxx_t */
+
+#include <libipset/data.h>			/* enum ipset_opt */
+#include <libipset/linux_ip_set.h>		/* IPSET_MAXNAMELEN */
+
+#define AF_INET46		255
+
+/* Family rules:
+ * - AF_UNSPEC:	type is family-neutral
+ * - AF_INET:	type supports IPv4 only
+ * - AF_INET6:	type supports IPv6 only
+ * - AF_INET46:	type supports both IPv4 and IPv6
+ */
+
+/* Set dimensions */
+enum {
+	IPSET_DIM_ONE,			/* foo */
+	IPSET_DIM_TWO,			/* foo,bar */
+	IPSET_DIM_THREE,		/* foo,bar,fie */
+	IPSET_DIM_MAX,
+};
+
+/* Parser options */
+enum {
+	IPSET_NO_ARG = -1,
+	IPSET_OPTIONAL_ARG,
+	IPSET_MANDATORY_ARG,
+	IPSET_MANDATORY_ARG2,
+};
+
+struct ipset_session;
+
+typedef int (*ipset_parsefn)(struct ipset_session *s,
+			     enum ipset_opt opt, const char *str);
+typedef int (*ipset_printfn)(char *buf, unsigned int len,
+			     const struct ipset_data *data, enum ipset_opt opt,
+			     uint8_t env);
+
+/* Parse and print type-specific arguments */
+struct ipset_arg {
+	const char *name[3];		/* option names */
+	int has_arg;			/* mandatory/optional/no arg */
+	enum ipset_opt opt;		/* argumentum type */
+	ipset_parsefn parse;		/* parser function */
+	ipset_printfn print;		/* printing function */
+};
+
+/* Type check against the kernel */
+enum {
+	IPSET_KERNEL_MISMATCH = -1,
+	IPSET_KERNEL_CHECK_NEEDED,
+	IPSET_KERNEL_OK,
+};
+
+/* Max sizes for aggregated ADD (and DEL) commands */
+enum {
+	IPSET_MAXSIZE_INET,
+	IPSET_MAXSIZE_INET6,
+	IPSET_MAXSIZE_MAX,
+};
+
+/* How element parts are parsed */
+struct ipset_elem {
+	ipset_parsefn parse;			/* elem parser function */
+	ipset_printfn print;			/* elem print function */
+	enum ipset_opt opt;			/* elem option */
+};
+
+/* The set types in userspace
+ * we could collapse 'args' and 'mandatory' to two-element lists
+ * but for the readability the full list is supported.
+  */
+struct ipset_type {
+	char name[IPSET_MAXNAMELEN];			/* type name */
+	char alias[IPSET_MAXNAMELEN];			/* name alias */
+	uint8_t revision;				/* revision number */
+	uint8_t family;					/* supported family */
+	uint8_t dimension;				/* elem dimension */
+	int8_t kernel_check;				/* kernel check */
+	bool last_elem_optional;			/* last element optional */
+	struct ipset_elem elem[IPSET_DIM_MAX];		/* parse elem */
+	const struct ipset_arg *args[IPSET_CADT_MAX];	/* create/ADT args except elem */
+	uint64_t mandatory[IPSET_CADT_MAX];		/* create/ADT mandatory flags */
+	uint64_t full[IPSET_CADT_MAX];			/* full args flags */
+	size_t maxsize[IPSET_MAXSIZE_MAX];		/* max sizes */
+	const char *usage;				/* terse usage */
+
+	struct ipset_type *next;
+};
+
+extern int ipset_cache_add(const char *name, const struct ipset_type *type);
+extern int ipset_cache_del(const char *name);
+extern int ipset_cache_rename(const char *from, const char *to);
+extern int ipset_cache_swap(const char *from, const char *to);
+
+extern const struct ipset_type * ipset_type_get(struct ipset_session *session,
+						enum ipset_cmd cmd);
+extern const struct ipset_type * ipset_type_check(struct ipset_session *session);
+
+extern int ipset_type_add(struct ipset_type *type);
+extern const struct ipset_type * ipset_types(void);
+extern const char * ipset_typename_resolve(const char *str);
+
+extern int ipset_types_init(void);
+extern void ipset_types_fini(void);
+
+/* The known set types: (typename, revision, family) is unique */
+extern struct ipset_type ipset_bitmap_ip0;
+extern struct ipset_type ipset_bitmap_ipmac0;
+extern struct ipset_type ipset_bitmap_port0;
+extern struct ipset_type ipset_hash_ip0;
+extern struct ipset_type ipset_hash_net0;
+extern struct ipset_type ipset_hash_ipport0;
+extern struct ipset_type ipset_hash_ipportip0;
+extern struct ipset_type ipset_hash_ipportnet0;
+extern struct ipset_type ipset_tree_ip0;
+extern struct ipset_type ipset_list_set0;
+
+#endif /* LIBIPSET_TYPES_H */