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authorUros Majstorovic <majstor@majstor.org>2021-08-31 11:14:41 +0200
committerUros Majstorovic <majstor@majstor.org>2021-08-31 11:14:41 +0200
commit2a46bdf517eb5fcb8ba59c398a32859c6496475d (patch)
treed8773d60c6827cf6499b9fda98323feabc10e63f /ecp/src/core.h
parentff7ffade2f5686ae977af578cb87040cc4654994 (diff)
transient messages added; code cleanup
Diffstat (limited to 'ecp/src/core.h')
-rw-r--r--ecp/src/core.h98
1 files changed, 58 insertions, 40 deletions
diff --git a/ecp/src/core.h b/ecp/src/core.h
index 3c62450..bb96f26 100644
--- a/ecp/src/core.h
+++ b/ecp/src/core.h
@@ -7,6 +7,8 @@
#include <pthread.h>
#endif
+#define ECP_MEM_TINY 1
+
#define ECP_OK 0
#define ECP_ITER_NEXT 1
@@ -52,6 +54,7 @@
#define ECP_MAX_CTYPE 8
#define ECP_MAX_MTYPE 16
#define ECP_MAX_MTYPE_SYS 4
+#define ECP_MAX_MTYPE_SOCK ECP_MAX_MTYPE_SYS
#define ECP_MAX_SEQ_FWD 1024
#define ECP_SIZE_PKT_HDR (ECP_SIZE_PROTO+1+ECP_ECDH_SIZE_KEY+ECP_AEAD_SIZE_NONCE)
@@ -75,7 +78,7 @@
#define ECP_MTYPE_OPEN 0x00
#define ECP_MTYPE_KGET 0x01
#define ECP_MTYPE_KPUT 0x02
-#define ECP_MTYPE_NOP 0x03
+#define ECP_MTYPE_DIR 0x03
#define ECP_MTYPE_OPEN_REQ (ECP_MTYPE_OPEN)
#define ECP_MTYPE_OPEN_REP (ECP_MTYPE_OPEN | ECP_MTYPE_FLAG_REP)
@@ -115,7 +118,7 @@ typedef uint32_t ecp_seq_t;
#define ECP_SEQ_LTE(a,b) ((ecp_seq_t)((ecp_seq_t)(b) - (ecp_seq_t)(a)) < ECP_SEQ_HALF)
-#define ECP_SIZE_MT_FRAG(F) ((F) & ECP_MTYPE_FLAG_FRAG ? 2 : 0)
+#define ECP_SIZE_MT_FRAG(F) ((F) & ECP_MTYPE_FLAG_FRAG ? 2 + sizeof(uint16_t) : 0)
#define ECP_SIZE_MT_PTS(F) ((F) & ECP_MTYPE_FLAG_PTS ? sizeof(ecp_pts_t) : 0)
#define ECP_SIZE_MT_FLAG(F) (ECP_SIZE_MT_FRAG(F)+ECP_SIZE_MT_PTS(F))
#define ECP_SIZE_PLD(X,F) ((X) + ECP_SIZE_PLD_HDR+1+ECP_SIZE_MT_FLAG(F))
@@ -126,8 +129,8 @@ typedef uint32_t ecp_seq_t;
#define ECP_SIZE_PLD_BUF(X,T,C) (ECP_SIZE_PLD(X,T)+(C)->pcount*(ECP_SIZE_PKT_HDR+ECP_SIZE_MSG_BUF(T,(C)->parent)+ECP_AEAD_SIZE_TAG))
#define ECP_SIZE_PKT_BUF(X,T,C) (ECP_SIZE_PLD_BUF(X,T,C)+ECP_SIZE_PKT_HDR+ECP_AEAD_SIZE_TAG)
-#define ECP_SIZE_PLD_RAW_BUF(X,T,P) (ECP_SIZE_PLD(X,T)+((P) ? ((P)->pcount+1)*(ECP_SIZE_PKT_HDR+ECP_SIZE_MSG_BUF(T,P)+ECP_AEAD_SIZE_TAG) : 0))
-#define ECP_SIZE_PKT_RAW_BUF(X,T,P) (ECP_SIZE_PLD_RAW_BUF(X,T,P)+ECP_SIZE_PKT_HDR+ECP_AEAD_SIZE_TAG)
+#define ECP_SIZE_PLD_BUF_TR(X,T,P) (ECP_SIZE_PLD(X,T)+((P) ? ((P)->pcount+1)*(ECP_SIZE_PKT_HDR+ECP_SIZE_MSG_BUF(T,P)+ECP_AEAD_SIZE_TAG) : 0))
+#define ECP_SIZE_PKT_BUF_TR(X,T,P) (ECP_SIZE_PLD_BUF_TR(X,T,P)+ECP_SIZE_PKT_HDR+ECP_AEAD_SIZE_TAG)
#ifdef ECP_DEBUG
#include <stdio.h>
@@ -139,7 +142,7 @@ struct ECPContext;
struct ECPSocket;
struct ECPConnection;
struct ECPSeqItem;
-struct ECPFragIter;
+struct ECPPktMeta;
#include "platform/transport.h"
#include "crypto/crypto.h"
@@ -151,7 +154,7 @@ struct ECPFragIter;
typedef int (*ecp_rng_t) (void *, size_t);
-typedef int (*ecp_conn_handler_new_t) (struct ECPSocket *s, struct ECPConnection *p, unsigned char *msg, size_t sz, struct ECPConnection **c);
+typedef int (*ecp_sock_handler_msg_t) (struct ECPSocket *s, ECPNetAddr *a, struct ECPConnection *p, unsigned char *msg, size_t sz, struct ECPPktMeta *m, struct ECP2Buffer *b, struct ECPConnection **c);
typedef ssize_t (*ecp_conn_handler_msg_t) (struct ECPConnection *c, ecp_seq_t s, unsigned char t, unsigned char *msg, ssize_t sz, struct ECP2Buffer *b);
typedef struct ECPConnection * (*ecp_conn_alloc_t) (unsigned char t);
@@ -210,12 +213,21 @@ typedef struct ECPSeqItem {
typedef struct ECPFragIter {
ecp_seq_t seq;
- size_t frag_size;
unsigned char frag_cnt;
unsigned char *buffer;
size_t buf_size;
+ size_t content_size;
} ECPFragIter;
+typedef struct ECPPktMeta {
+ ecp_aead_key_t shsec;
+ ecp_dh_public_t public;
+ ecp_seq_t seq;
+ unsigned char nonce[ECP_AEAD_SIZE_NONCE];
+ unsigned char s_idx;
+ unsigned char c_idx;
+} ECPPktMeta;
+
typedef struct ECPConnHandler {
ecp_conn_handler_msg_t msg[ECP_MAX_MTYPE];
ecp_conn_create_t conn_create;
@@ -253,7 +265,7 @@ typedef struct ECPSocket {
unsigned char key_curr;
ECPSockCTable conn;
ECPTimer timer;
- ecp_conn_handler_new_t conn_new;
+ ecp_sock_handler_msg_t handler[ECP_MAX_MTYPE_SOCK];
#ifdef ECP_WITH_PTHREAD
pthread_t rcvr_thd;
pthread_mutex_t mutex;
@@ -290,11 +302,12 @@ typedef struct ECPConnection {
} ECPConnection;
int ecp_init(ECPContext *ctx);
-
-int ecp_dhkey_generate(ECPContext *ctx, ECPDHKey *key);
-int ecp_node_init(ECPNode *node, ecp_dh_public_t *public, void *addr);
-
int ecp_ctx_init(ECPContext *ctx);
+int ecp_node_init(ECPNode *node, ecp_dh_public_t *public, void *addr);
+int ecp_seq_item_init(ECPSeqItem *seq_item);
+int ecp_frag_iter_init(ECPFragIter *iter, unsigned char *buffer, size_t buf_size);
+void ecp_frag_iter_reset(ECPFragIter *iter);
+int ecp_dhkey_gen(ECPContext *ctx, ECPDHKey *key);
int ecp_sock_create(ECPSocket *sock, ECPContext *ctx, ECPDHKey *key);
void ecp_sock_destroy(ECPSocket *sock);
@@ -303,59 +316,64 @@ void ecp_sock_close(ECPSocket *sock);
int ecp_sock_dhkey_get_curr(ECPSocket *sock, unsigned char *idx, unsigned char *public);
int ecp_sock_dhkey_new(ECPSocket *sock);
+int ecp_conn_init(ECPConnection *conn, ECPNode *node);
int ecp_conn_create(ECPConnection *conn, ECPSocket *sock, unsigned char ctype);
void ecp_conn_destroy(ECPConnection *conn);
int ecp_conn_register(ECPConnection *conn);
void ecp_conn_unregister(ECPConnection *conn);
-int ecp_conn_init(ECPConnection *conn, ECPNode *node);
int ecp_conn_open(ECPConnection *conn, ECPNode *node);
int ecp_conn_close(ECPConnection *conn, ecp_cts_t timeout);
-
+int ecp_conn_reset(ECPConnection *conn);
int ecp_conn_handler_init(ECPConnHandler *handler);
+
+int ecp_conn_dhkey_new(ECPConnection *conn);
+int ecp_conn_dhkey_new_pub(ECPConnection *conn, unsigned char idx, unsigned char *public);
+int ecp_conn_dhkey_get_curr(ECPConnection *conn, unsigned char *idx, unsigned char *public);
+
ssize_t ecp_conn_send_open(ECPConnection *conn);
-int ecp_conn_handle_new(ECPSocket *sock, ECPConnection *parent, unsigned char *payload, size_t payload_size, ECPConnection **_conn);
+ssize_t ecp_conn_send_kget(ECPConnection *conn);
+ssize_t ecp_conn_send_kput(ECPConnection *conn);
+
ssize_t ecp_conn_handle_open(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b);
ssize_t ecp_conn_handle_kget(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b);
ssize_t ecp_conn_handle_kput(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b);
ssize_t ecp_conn_handle_exec(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b);
+ssize_t ecp_conn_handle_msg(ECPConnection *conn, ecp_seq_t seq, unsigned char *msg, size_t msg_size, ECP2Buffer *bufs);
+int ecp_sock_handle_open(ECPSocket *sock, ECPNetAddr *addr, ECPConnection *parent, unsigned char *msg, size_t msg_size, ECPPktMeta *pkt_meta, ECP2Buffer *bufs, ECPConnection **_conn);
+int ecp_sock_handle_kget(ECPSocket *sock, ECPNetAddr *addr, ECPConnection *parent, unsigned char *msg, size_t msg_size, ECPPktMeta *pkt_meta, ECP2Buffer *bufs, ECPConnection **_conn);
-int ecp_conn_dhkey_new(ECPConnection *conn);
-int ecp_conn_dhkey_new_pub(ECPConnection *conn, unsigned char idx, unsigned char *public);
-int ecp_conn_dhkey_get_curr(ECPConnection *conn, unsigned char *idx, unsigned char *public);
+ssize_t _ecp_pack(ECPContext *ctx, unsigned char *packet, size_t pkt_size, ECPPktMeta *pkt_meta, unsigned char *payload, size_t pld_size);
+ssize_t ecp_pack(ECPContext *ctx, ECPConnection *parent, ECPBuffer *packet, ECPPktMeta *pkt_meta, ECPBuffer *payload, size_t pld_size, ECPNetAddr *addr) ;
-ssize_t ecp_pkt_pack(ECPContext *ctx, unsigned char *packet, size_t pkt_size, unsigned char s_idx, unsigned char c_idx, ecp_dh_public_t *public, ecp_aead_key_t *shsec, unsigned char *nonce, ecp_seq_t seq, unsigned char *payload, size_t pld_size);
-ssize_t ecp_pkt_pack_raw(ECPSocket *sock, ECPConnection *parent, unsigned char *packet, size_t pkt_size, unsigned char s_idx, unsigned char c_idx, ecp_dh_public_t *public, ecp_aead_key_t *shsec, unsigned char *nonce, ecp_seq_t seq, unsigned char *payload, size_t pld_size, ECPNetAddr *addr);
-ssize_t ecp_conn_pack(ECPConnection *conn, unsigned char *packet, size_t pkt_size, unsigned char s_idx, unsigned char c_idx, unsigned char *payload, size_t pld_size, ECPSeqItem *si, ECPNetAddr *addr);
-
-ssize_t ecp_pack(ECPConnection *conn, ECPBuffer *packet, unsigned char s_idx, unsigned char c_idx, ECPBuffer *payload, size_t pld_size, ECPSeqItem *si, ECPNetAddr *addr);
-ssize_t ecp_pack_raw(ECPSocket *sock, ECPConnection *parent, ECPBuffer *packet, unsigned char s_idx, unsigned char c_idx, ecp_dh_public_t *public, ecp_aead_key_t *shsec, unsigned char *nonce, ecp_seq_t seq, ECPBuffer *payload, size_t pld_size, ECPNetAddr *addr);
+ssize_t _ecp_pack_conn(ECPConnection *conn, unsigned char *packet, size_t pkt_size, unsigned char s_idx, unsigned char c_idx, ECPSeqItem *si, unsigned char *payload, size_t pld_size, ECPNetAddr *addr);
+ssize_t ecp_pack_conn(ECPConnection *conn, ECPBuffer *packet, unsigned char s_idx, unsigned char c_idx, ECPSeqItem *si, ECPBuffer *payload, size_t pld_size, ECPNetAddr *addr);
ssize_t ecp_unpack(ECPSocket *sock, ECPNetAddr *addr, ECPConnection *parent, ECP2Buffer *bufs, size_t pkt_size, ECPConnection **_conn, ecp_seq_t *_seq);
ssize_t ecp_pkt_handle(ECPSocket *sock, ECPNetAddr *addr, ECPConnection *parent, ECP2Buffer *bufs, size_t pkt_size);
-
ssize_t ecp_pkt_send(ECPSocket *sock, ECPNetAddr *addr, ECPBuffer *packet, size_t pkt_size, unsigned char flags);
-int ecp_seq_item_init(ECPSeqItem *seq_item);
-int ecp_frag_iter_init(ECPFragIter *iter, unsigned char *buffer, size_t buf_size);
-
-unsigned char ecp_msg_get_type(unsigned char *msg);
-unsigned char *ecp_msg_get_content(unsigned char *msg, size_t msg_size);
-int ecp_msg_get_frag(unsigned char *msg, size_t msg_size, unsigned char *frag_cnt, unsigned char *frag_tot);
+int ecp_msg_get_type(unsigned char *msg, size_t msg_size, unsigned char *mtype);
+int ecp_msg_set_type(unsigned char *msg, size_t msg_size, unsigned char mtype);
+int ecp_msg_get_frag(unsigned char *msg, size_t msg_size, unsigned char *frag_cnt, unsigned char *frag_tot, uint16_t *frag_size);
+int ecp_msg_set_frag(unsigned char *msg, size_t msg_size, unsigned char frag_cnt, unsigned char frag_tot, uint16_t frag_size);
int ecp_msg_get_pts(unsigned char *msg, size_t msg_size, ecp_pts_t *pts);
-int ecp_msg_defrag(ECPFragIter *iter, ecp_seq_t seq, unsigned char *msg_in, size_t msg_in_size, unsigned char **msg_out, size_t *msg_out_size);
-ssize_t ecp_msg_handle(ECPConnection *conn, ecp_seq_t seq, unsigned char *msg, size_t msg_size, ECP2Buffer *bufs);
+int ecp_msg_set_pts(unsigned char *msg, size_t msg_size, ecp_pts_t pts);
+unsigned char *ecp_msg_get_content(unsigned char *msg, size_t msg_size);
+int ecp_msg_defrag(ECPFragIter *iter, ecp_seq_t seq, unsigned char mtype, unsigned char *msg_in, size_t msg_in_size, unsigned char **msg_out, size_t *msg_out_size);
-void ecp_pld_set_type(unsigned char *payload, unsigned char mtype);
-int ecp_pld_set_frag(unsigned char *payload, unsigned char mtype, unsigned char frag_cnt, unsigned char frag_tot);
-int ecp_pld_set_pts(unsigned char *payload, unsigned char mtype, ecp_pts_t pts);
-unsigned char *ecp_pld_get_buf(unsigned char *payload, unsigned char mtype);
-unsigned char ecp_pld_get_type(unsigned char *payload);
+int ecp_pld_get_type(unsigned char *payload, size_t pld_size, unsigned char *mtype);
+int ecp_pld_set_type(unsigned char *payload, size_t pld_size, unsigned char mtype);
+int ecp_pld_get_frag(unsigned char *payload, size_t pld_size, unsigned char *frag_cnt, unsigned char *frag_tot, uint16_t *frag_size);
+int ecp_pld_set_frag(unsigned char *payload, size_t pld_size, unsigned char frag_cnt, unsigned char frag_tot, uint16_t frag_size);
+int ecp_pld_get_pts(unsigned char *payload, size_t pld_size, ecp_pts_t *pts);
+int ecp_pld_set_pts(unsigned char *payload, size_t pld_size, ecp_pts_t pts);
+unsigned char *ecp_pld_get_buf(unsigned char *payload, size_t pld_size);
+ssize_t _ecp_pld_send(ECPConnection *conn, ECPBuffer *packet, unsigned char s_idx, unsigned char c_idx, ECPSeqItem *si, ECPBuffer *payload, size_t pld_size, unsigned char flags, ECPTimerItem *ti);
ssize_t ecp_pld_send(ECPConnection *conn, ECPBuffer *packet, ECPBuffer *payload, size_t pld_size, unsigned char flags);
ssize_t ecp_pld_send_wtimer(ECPConnection *conn, ECPBuffer *packet, ECPBuffer *payload, size_t pld_size, unsigned char flags, ECPTimerItem *ti);
-ssize_t ecp_pld_send_ll(ECPConnection *conn, ECPBuffer *packet, unsigned char s_idx, unsigned char c_idx, ECPBuffer *payload, size_t pld_size, unsigned char flags, ECPTimerItem *ti);
-ssize_t ecp_pld_send_raw(ECPSocket *sock, ECPConnection *parent, ECPNetAddr *addr, ECPBuffer *packet, unsigned char s_idx, unsigned char c_idx, ecp_dh_public_t *public, ecp_aead_key_t *shsec, unsigned char *nonce, ecp_seq_t seq, ECPBuffer *payload, size_t pld_size, unsigned char flags);
+ssize_t ecp_pld_send_tr(ECPSocket *sock, ECPNetAddr *addr, ECPConnection *parent, ECPBuffer *packet, ECPPktMeta *pkt_meta, ECPBuffer *payload, size_t pld_size, unsigned char flags);
ssize_t ecp_send(ECPConnection *conn, unsigned char mtype, unsigned char *content, size_t content_size);
ssize_t ecp_receive(ECPConnection *conn, unsigned char mtype, unsigned char *msg, size_t msg_size, ecp_cts_t timeout);