#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
+#include <stdint.h>
+#include <inttypes.h>
#include <string.h>
#include <assert.h>
#include <fcntl.h>
#define MAX_PEER_ADDRS 5
/* send at most this many copies; honour at most that many addresses */
+#define MAX_NAK_MSG 80
+#define MAX_SIG_KEYS 4
+
+struct hash_if;
struct comm_if;
struct comm_addr;
+struct priomsg;
typedef char *string_t;
typedef const char *cstring_t;
#endif
};
+#define GRPIDSZ 4
+#define ALGIDSZ 1
+#define KEYIDSZ (GRPIDSZ+ALGIDSZ)
+ /* Changing these is complex: this is the group id plus algo id */
+ /* They are costructed by pubkeys.fl.pl. Also hardcoded in _PR_ */
+struct sigkeyid { uint8_t b[KEYIDSZ]; };
+
+#define SIGKEYID_PR_FMT "%02x%02x%02x%02x%02x"
+#define SIGKEYID_PR_VAL(id) /* SIGKEYID_PR_VAL(const sigkeyid *id) */ \
+ ((id) == (const struct sigkeyid*)0, (id)->b[0]), \
+ (id)->b[1],(id)->b[2],(id)->b[3],(id)->b[4]
+static inline bool_t sigkeyid_equal(const struct sigkeyid *a,
+ const struct sigkeyid *b) {
+ return !memcmp(a->b, b->b, KEYIDSZ);
+}
+
#define ASSERT(x) do { if (!(x)) { fatal("assertion failed line %d file " \
__FILE__,__LINE__); } } while(0)
struct buffer_if;
struct alg_msg_data {
- uint8_t *sigstart;
- int32_t siglen;
+ uint8_t *start;
+ int32_t len;
};
/* PURE closure requires no interface */
/* SIGPUBKEY interface */
+typedef void sig_sethash_fn(void *st, struct hash_if *hash);
typedef bool_t sig_unpick_fn(void *sst, struct buffer_if *msg,
struct alg_msg_data *sig);
typedef bool_t sig_checksig_fn(void *st, uint8_t *data, int32_t datalen,
const struct alg_msg_data *sig);
struct sigpubkey_if {
void *st;
+ sig_sethash_fn *sethash; /* must be called before check, if non-0 */
sig_unpick_fn *unpick;
sig_checksig_fn *check;
};
struct buffer_if *msg);
struct sigprivkey_if {
void *st;
+ sig_sethash_fn *sethash; /* must be called before sign, if non-0 */
sig_makesig_fn *sign;
};
* The semantics depend on the dict and defined by the comm, and
* should be documented in README. */
+enum {
+ comm_notify_whynot_general,
+ comm_notify_whynot_unpick,
+ comm_notify_whynot_name_local,
+ comm_notify_whynot_name_remote,
+};
+
/* Return True if the packet was processed, and shouldn't be passed to
any other potential receivers. (buf is freed iff True returned.) */
typedef bool_t comm_notify_fn(void *state, struct buffer_if *buf,
- const struct comm_addr *source);
+ const struct comm_addr *source,
+ struct priomsg *whynot);
typedef void comm_request_notify_fn(void *commst, void *nst,
comm_notify_fn *fn);
typedef void comm_release_notify_fn(void *commst, void *nst,
/* HASH interface */
-typedef void *hash_init_fn(void);
+typedef void hash_init_fn(void *st /* slen bytes alloc'd by caller */);
typedef void hash_update_fn(void *st, const void *buf, int32_t len);
-typedef void hash_final_fn(void *st, uint8_t *digest);
+typedef void hash_final_fn(void *st, uint8_t *digest /* hlen bytes */);
struct hash_if {
- int32_t len; /* Hash output length in bytes */
+ int32_t slen; /* State length in bytes */
+ int32_t hlen; /* Hash output length in bytes */
hash_init_fn *init;
hash_update_fn *update;
hash_final_fn *final;
struct buffer_if {
bool_t free;
cstring_t owner; /* Set to constant string */
- uint32_t flags; /* How paranoid should we be? */
struct cloc loc; /* Where we were defined */
uint8_t *base;
uint8_t *start;
* void COPY_OBJ( OBJECT& dst, const OBJECT& src);
* void COPY_ARRAY(OBJECT *dst, const OBJECT *src, INTEGER count);
* // Typesafe: we check that the type OBJECT is the same in both cases.
- * // It is OK to use COPY_OBJ on an array object, provided it's
+ * // It is OK to use COPY_OBJ on an array object, provided dst is
* // _actually_ the whole array object and not decayed into a
* // pointer (e.g. a formal parameter).
*/