#ifndef secnet_h
#define secnet_h
+#include "config.h"
#include <stdlib.h>
-#include <stdint.h>
#include <stdarg.h>
#include <syslog.h>
#include <sys/poll.h>
+#include <sys/types.h>
+#include <sys/time.h>
#include <netinet/in.h>
-#include "config.h"
-
typedef char *string_t;
typedef enum {False,True} bool_t;
struct subnet {
uint32_t prefix;
uint32_t mask;
+ uint32_t len;
};
struct subnet_list {
/* Match an address (in HOST byte order) with a subnet list.
Returns True if matched. */
-extern bool_t subnet_match(struct subnet_list *list, uint32_t address);
+extern bool_t subnet_match(struct subnet *s, uint32_t address);
+extern bool_t subnet_matches_list(struct subnet_list *list, uint32_t address);
+extern bool_t subnets_intersect(struct subnet a, struct subnet b);
+extern bool_t subnet_intersects_with_list(struct subnet a,
+ struct subnet_list *b);
+extern bool_t subnet_lists_intersect(struct subnet_list *a,
+ struct subnet_list *b);
/***** END of shared types *****/
/***** CONFIGURATION support *****/
+extern bool_t just_check_config; /* If True then we're going to exit after
+ reading the configuration file */
+
typedef struct dict dict_t; /* Configuration dictionary */
typedef struct closure closure_t;
typedef struct item item_t;
string_t desc, struct cloc loc,
struct subnet_list *sl);
extern uint32_t string_to_ipaddr(item_t *i, string_t desc);
+struct flagstr {
+ string_t name;
+ uint32_t value;
+};
+extern uint32_t string_list_to_word(list_t *l, struct flagstr *f,
+ string_t desc);
/***** END of configuration support *****/
extern string_t ipaddr_to_string(uint32_t addr);
extern string_t subnet_to_string(struct subnet *sn);
+extern int sys_cmd(const char *file, char *argc, ...);
+
/***** END of utility functions *****/
/***** SCHEDULING support */
#define PHASE_GETOPTS 1 /* Process command-line arguments */
#define PHASE_READCONFIG 2 /* Parse and process configuration file */
#define PHASE_SETUP 3 /* Process information in configuration */
-#define PHASE_DROPPRIV 4 /* Last chance for privileged operations */
-#define PHASE_RUN 5
-#define PHASE_SHUTDOWN 6 /* About to die; delete key material, etc. */
-#define NR_PHASES 7
+#define PHASE_GETRESOURCES 4 /* Obtain all external resources */
+#define PHASE_DROPPRIV 5 /* Last chance for privileged operations */
+#define PHASE_RUN 6
+#define PHASE_SHUTDOWN 7 /* About to die; delete key material, etc. */
+#define NR_PHASES 8
typedef void hook_fn(void *self, uint32_t newphase);
bool_t add_hook(uint32_t phase, hook_fn *f, void *state);
bool_t remove_hook(uint32_t phase, hook_fn *f, void *state);
+extern bool_t require_root_privileges; /* Some features (like netlink
+ 'soft' routes) require that
+ secnet retain root
+ privileges. They should
+ indicate that here when
+ appropriate. */
+extern string_t require_root_privileges_explanation;
+
/***** END of program lifetime support *****/
/***** MODULE support *****/
/* NETLINK interface */
-/* Used by netlink to deliver to site, and by site to deliver to netlink.
- cid is the client identifier returned by netlink_regnets_fn */
+/* Used by netlink to deliver to site, and by site to deliver to
+ netlink. cid is the client identifier returned by
+ netlink_regnets_fn. If buf has size 0 then the function is just
+ being called for its site-effects (eg. making the site code attempt
+ to bring up a network link) */
typedef void netlink_deliver_fn(void *st, void *cid, struct buffer_if *buf);
-/* Register for packets from specified networks. Return value is client
- identifier. */
+/* site code can tell netlink when outgoing packets will be dropped,
+ so netlink can generate appropriate ICMP and make routing decisions */
+#define LINK_QUALITY_DOWN 0 /* No chance of a packet being delivered */
+#define LINK_QUALITY_DOWN_STALE_ADDRESS 1 /* Link down, old address information */
+#define LINK_QUALITY_DOWN_CURRENT_ADDRESS 2 /* Link down, current address information */
+#define LINK_QUALITY_UP 3 /* Link active */
+#define MAXIMUM_LINK_QUALITY 3
+typedef void netlink_link_quality_fn(void *st, void *cid, uint32_t quality);
+/* Register for packets from specified networks. Return value is
+ client identifier. 'hard_route' indicates whether the routes being
+ registered are permanent (hard) or temporary (soft); some types of
+ netlink device can only cope with hard routes. */
+#define NETLINK_OPTION_SOFTROUTE 1
+#define NETLINK_OPTION_ALLOW_ROUTE 2
typedef void *netlink_regnets_fn(void *st, struct subnet_list *networks,
netlink_deliver_fn *deliver, void *dst,
- uint32_t max_start_pad, uint32_t max_end_pad);
+ uint32_t max_start_pad, uint32_t max_end_pad,
+ uint32_t options, string_t client_name);
struct netlink_if {
void *st;
netlink_regnets_fn *regnets;
netlink_deliver_fn *deliver;
+ netlink_link_quality_fn *set_quality;
};
/* DH interface */
~ian / secnet.git / blobdiff