summaryrefslogtreecommitdiff
path: root/ecp/src
diff options
context:
space:
mode:
Diffstat (limited to 'ecp/src')
-rw-r--r--ecp/src/ecp/Makefile6
-rw-r--r--ecp/src/ecp/core.c60
-rw-r--r--ecp/src/ecp/ext.h8
-rw-r--r--ecp/src/ecp/ext/Makefile13
-rw-r--r--ecp/src/ecp/ext/ext.c69
-rw-r--r--ecp/src/ecp/ext/frag.c129
-rw-r--r--ecp/src/ecp/ext/frag.h13
7 files changed, 274 insertions, 24 deletions
diff --git a/ecp/src/ecp/Makefile b/ecp/src/ecp/Makefile
index 2bdd563..c403829 100644
--- a/ecp/src/ecp/Makefile
+++ b/ecp/src/ecp/Makefile
@@ -31,11 +31,11 @@ install: all
if [ -f vconn/libecpvconn.a ]; then \
install vconn/libecpvconn.a $(build_dir); \
fi
- if [ -f dir/libecpext.a ]; then \
- install vconn/libecpext.a $(build_dir); \
+ if [ -f ext/libecpext.a ]; then \
+ install ext/libecpext.a $(build_dir); \
fi
if [ -f dir/libecpdir.a ]; then \
- install vconn/libecpdir.a $(build_dir); \
+ install dir/libecpdir.a $(build_dir); \
fi
clean:
diff --git a/ecp/src/ecp/core.c b/ecp/src/ecp/core.c
index badb09e..3cb236f 100644
--- a/ecp/src/ecp/core.c
+++ b/ecp/src/ecp/core.c
@@ -389,6 +389,16 @@ void ecp_sock_get_nonce(ECPSocket *sock, ecp_nonce_t *nonce) {
#endif
}
+int ecp_cookie_gen(ECPSocket *sock, unsigned char *cookie, unsigned char *public_buf) {
+ memcpy(cookie, public_buf, ECP_SIZE_COOKIE);
+ return ECP_OK;
+}
+
+int ecp_cookie_verify(ECPSocket *sock, unsigned char *cookie, unsigned char *public_buf) {
+ if (memcmp(cookie, public_buf, ECP_SIZE_COOKIE) == 0) return ECP_OK;
+ return ECP_ERR_COOKIE;
+}
+
ECPConnection *ecp_sock_keys_search(ECPSocket *sock, ecp_ecdh_public_t *public) {
ECPConnection *conn;
@@ -828,8 +838,8 @@ void ecp_conn_remove_addr(ECPConnection *conn) {
conn_table_remove_addr(conn);
#ifdef ECP_WITH_PTHREAD
+ pthread_mutex_unlock(&conn->mutex);
pthread_mutex_unlock(&sock->conn_table.mutex);
- pthread_mutex_lock(&conn->mutex);
#endif
}
@@ -1037,11 +1047,14 @@ int ecp_conn_dhkey_set_pub(ECPConnection *conn, unsigned char idx, ecp_ecdh_publ
if (ecp_conn_is_inb(conn)) pthread_mutex_lock(&sock->conn_table.mutex);
pthread_mutex_lock(&conn->mutex);
#endif
+
rv = conn_dhkey_set_pub(conn, idx, public);
+
#ifdef ECP_WITH_PTHREAD
pthread_mutex_unlock(&conn->mutex);
if (ecp_conn_is_inb(conn)) pthread_mutex_unlock(&sock->conn_table.mutex);
#endif
+
if (rv == ECP_ERR_ECDH_KEY_DUP) rv = ECP_OK;
return rv;
@@ -1694,14 +1707,7 @@ ssize_t ecp_unpack(ECPSocket *sock, ECPConnection *parent, ecp_tr_addr_t *addr,
is_inb = ecp_conn_is_inb(conn);
is_open = ecp_conn_is_open(conn);
- if (is_open) {
- nonce_buf = packet+ECP_SIZE_PROTO+1+ECP_SIZE_ECDH_PUB;
- packet += ECP_SIZE_PKT_HDR;
- pkt_size -= ECP_SIZE_PKT_HDR;
-
- nonce_conn = conn->nonce_in;
- nonce_map = conn->nonce_map;
- } else if (!is_inb && (idx == ECP_ECDH_IDX_INV)) {
+ if (!is_open && !is_inb && (idx == ECP_ECDH_IDX_INV)) {
nonce_buf = packet+ECP_SIZE_PROTO+1;
packet += ECP_SIZE_PROTO+1+ECP_SIZE_NONCE;
pkt_size -= ECP_SIZE_PROTO+1+ECP_SIZE_NONCE;
@@ -1709,9 +1715,17 @@ ssize_t ecp_unpack(ECPSocket *sock, ECPConnection *parent, ecp_tr_addr_t *addr,
s_idx = ECP_ECDH_IDX_PERMA;
c_idx = conn->key_curr;
} else {
- _rv = ECP_ERR;
+ public_buf = packet+ECP_SIZE_PROTO+1;
+ nonce_buf = public_buf+ECP_SIZE_ECDH_PUB;
+ packet += ECP_SIZE_PKT_HDR;
+ pkt_size -= ECP_SIZE_PKT_HDR;
+
+ if (is_open) {
+ nonce_conn = conn->nonce_in;
+ nonce_map = conn->nonce_map;
+ }
}
- if (!_rv) _rv = conn_shkey_get(conn, s_idx, c_idx, &shkey);
+ _rv = conn_shkey_get(conn, s_idx, c_idx, &shkey);
if (!_rv) conn->refcount++;
#ifdef ECP_WITH_PTHREAD
@@ -1884,22 +1898,26 @@ ssize_t ecp_unpack(ECPSocket *sock, ECPConnection *parent, ecp_tr_addr_t *addr,
pld_size -= rv;
}
- if (conn && is_open) {
+ if (conn) {
+ if (is_open) {
#ifdef ECP_WITH_PTHREAD
- pthread_mutex_lock(&conn->mutex);
+ pthread_mutex_lock(&conn->mutex);
#endif
- conn->nonce_in = nonce_in;
- conn->nonce_map = nonce_map;
- if (is_inb && addr) conn->remote.addr = *addr;
+ conn->nonce_in = nonce_in;
+ conn->nonce_map = nonce_map;
+ if (is_inb && addr) conn->remote.addr = *addr;
#ifdef ECP_WITH_PTHREAD
- pthread_mutex_unlock(&conn->mutex);
+ pthread_mutex_unlock(&conn->mutex);
#endif
- *_conn = conn;
- *_payload = payload;
- *_seq = (ecp_seq_t)nonce_pkt;
+ *_conn = conn;
+ *_payload = payload;
+ *_seq = (ecp_seq_t)nonce_pkt;
+ } else {
+ ecp_conn_refcount_dec(conn);
+ }
}
return _pkt_size - pld_size;
@@ -2023,7 +2041,7 @@ static ssize_t _pack(ECPBuffer *packet, ECPPktMeta *pkt_meta, ECPBuffer *payload
pkt_buf += 3;
if (pkt_meta->public) {
- memcpy(pkt_buf, &pkt_meta->public, ECP_SIZE_ECDH_PUB);
+ memcpy(pkt_buf, pkt_meta->public, ECP_SIZE_ECDH_PUB);
pkt_buf += ECP_SIZE_ECDH_PUB;
}
if (pkt_meta->cookie) {
diff --git a/ecp/src/ecp/ext.h b/ecp/src/ecp/ext.h
new file mode 100644
index 0000000..811b6d1
--- /dev/null
+++ b/ecp/src/ecp/ext.h
@@ -0,0 +1,8 @@
+int ecp_ext_err_handle(ECPConnection *conn, unsigned char mtype, int err);
+int ecp_ext_conn_open(ECPConnection *conn);
+void ecp_ext_conn_destroy(ECPConnection *conn);
+ssize_t ecp_ext_msg_handle(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, size_t msg_size, ECP2Buffer *bufs);
+ssize_t ecp_ext_pld_store(ECPConnection *conn, ecp_seq_t seq, unsigned char *payload, size_t pld_size, ECP2Buffer *bufs);
+ssize_t ecp_ext_pld_handle(ECPConnection *conn, ecp_seq_t seq, unsigned char *payload, size_t pld_size, ECP2Buffer *bufs);
+ssize_t ecp_ext_pld_send(ECPConnection *conn, ECPBuffer *payload, size_t pld_size, ECPBuffer *packet, size_t pkt_size, unsigned char flags, ECPTimerItem *ti, ecp_tr_addr_t *addr);
+ssize_t ecp_ext_msg_send(ECPConnection *conn, unsigned char mtype, unsigned char *msg, size_t msg_size, ECPBuffer *packet, ECPBuffer *payload);
diff --git a/ecp/src/ecp/ext/Makefile b/ecp/src/ecp/ext/Makefile
new file mode 100644
index 0000000..0e61e83
--- /dev/null
+++ b/ecp/src/ecp/ext/Makefile
@@ -0,0 +1,13 @@
+include ../common.mk
+
+obj = ext.o frag.o rbuf.o rbuf_send.o rbuf_recv.o msgq.o
+
+
+%.o: %.c
+ $(CC) $(CFLAGS) -c $<
+
+all: $(obj)
+ $(AR) rcs libecpext.a $(obj)
+
+clean:
+ rm -f *.o *.a
diff --git a/ecp/src/ecp/ext/ext.c b/ecp/src/ecp/ext/ext.c
new file mode 100644
index 0000000..d407e80
--- /dev/null
+++ b/ecp/src/ecp/ext/ext.c
@@ -0,0 +1,69 @@
+#include <stdlib.h>
+
+#include <core.h>
+#include <ext.h>
+
+#include "rbuf.h"
+#include "frag.h"
+
+int ecp_ext_err_handle(ECPConnection *conn, unsigned char mtype, int err) {
+ ECPRBConn *_conn = ecp_rbuf_get_rbconn(conn);
+
+ if (_conn) return ecp_rbuf_err_handle(_conn, mtype, err);
+ return ECP_PASS;
+}
+
+int ecp_ext_conn_open(ECPConnection *conn) {
+ ECPRBConn *_conn = ecp_rbuf_get_rbconn(conn);
+
+ if (_conn) ecp_rbuf_start(_conn);
+ return ECP_OK;
+}
+
+void ecp_ext_conn_destroy(ECPConnection *conn) {
+ ECPRBConn *_conn = ecp_rbuf_get_rbconn(conn);
+ if (_conn) ecp_rbuf_destroy(_conn);
+}
+
+ssize_t ecp_ext_msg_handle(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, size_t msg_size, ECP2Buffer *bufs) {
+ ECPRBConn *_conn = ecp_rbuf_get_rbconn(conn);
+
+ if (_conn) return ecp_rbuf_msg_handle(_conn, seq, mtype, msg, msg_size, bufs);
+ return 0;
+}
+
+ssize_t ecp_ext_pld_store(ECPConnection *conn, ecp_seq_t seq, unsigned char *payload, size_t pld_size, ECP2Buffer *bufs) {
+ ECPRBConn *_conn = ecp_rbuf_get_rbconn(conn);
+
+ if (_conn && _conn->recv) return ecp_rbuf_store(_conn, seq, payload, pld_size);
+ return 0;
+}
+
+ssize_t ecp_ext_pld_handle(ECPConnection *conn, ecp_seq_t seq, unsigned char *payload, size_t pld_size, ECP2Buffer *bufs) {
+ unsigned char mtype;
+ int rv;
+
+ rv = ecp_pld_get_type(payload, pld_size, &mtype);
+ if (rv) return rv;
+
+ if (mtype & ECP_MTYPE_FLAG_FRAG) {
+ return ecp_pld_defrag(conn, seq, mtype, payload, pld_size);
+ } else {
+ return 0;
+ }
+}
+
+ssize_t ecp_ext_pld_send(ECPConnection *conn, ECPBuffer *payload, size_t pld_size, ECPBuffer *packet, size_t pkt_size, unsigned char flags, ECPTimerItem *ti, ecp_tr_addr_t *addr) {
+ ECPRBConn *_conn = ecp_rbuf_get_rbconn(conn);
+
+ if (_conn && _conn->send) return ecp_rbuf_pld_send(_conn, payload, pld_size, packet, pkt_size, ti);
+ return 0;
+}
+
+ssize_t ecp_ext_msg_send(ECPConnection *conn, unsigned char mtype, unsigned char *msg, size_t msg_size, ECPBuffer *packet, ECPBuffer *payload) {
+ if (ECP_SIZE_PKT_BUF(msg_size, mtype, conn) > ECP_MAX_PKT) {
+ return ecp_msg_frag(conn, mtype, msg, msg_size, packet, payload);
+ } else {
+ return 0;
+ }
+}
diff --git a/ecp/src/ecp/ext/frag.c b/ecp/src/ecp/ext/frag.c
new file mode 100644
index 0000000..ce87d81
--- /dev/null
+++ b/ecp/src/ecp/ext/frag.c
@@ -0,0 +1,129 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include <core.h>
+
+#include "rbuf.h"
+#include "frag.h"
+
+int ecp_frag_iter_init(ECPRBConn *conn, ECPFragIter *iter, unsigned char *buffer, size_t buf_size) {
+ memset(iter, 0, sizeof(ECPFragIter));
+ iter->buffer = buffer;
+ iter->buf_size = buf_size;
+
+ conn->iter = iter;
+ return ECP_OK;
+}
+
+ECPFragIter *ecp_frag_iter_get(ECPRBConn *conn) {
+ return conn->iter;
+}
+
+void ecp_frag_iter_reset(ECPFragIter *iter) {
+ iter->seq = 0;
+ iter->frag_cnt = 0;
+ iter->pld_size = 0;
+}
+
+ssize_t ecp_msg_frag(ECPConnection *conn, unsigned char mtype, unsigned char *msg, size_t msg_size, ECPBuffer *packet, ECPBuffer *payload) {
+ unsigned char *msg_buf;
+ unsigned char *pld_buf;
+ size_t pld_size;
+ size_t frag_size, frag_size_final;
+ ecp_nonce_t nonce, nonce_start;
+ int pkt_cnt = 0;
+ int i;
+
+ mtype |= ECP_MTYPE_FLAG_FRAG;
+ frag_size = ECP_MAX_PKT - ECP_SIZE_PKT_BUF(0, mtype, conn);
+ pkt_cnt = msg_size / frag_size;
+ frag_size_final = msg_size - frag_size * pkt_cnt;
+ if (frag_size_final) pkt_cnt++;
+
+#ifdef ECP_WITH_PTHREAD
+ pthread_mutex_lock(&conn->mutex);
+#endif
+
+ nonce_start = conn->nonce_out;
+ conn->nonce_out += pkt_cnt;
+
+#ifdef ECP_WITH_PTHREAD
+ pthread_mutex_unlock(&conn->mutex);
+#endif
+
+ pld_buf = payload->buffer;
+ pld_size = payload->size;
+ for (i=0; i<pkt_cnt; i++) {
+ ssize_t rv;
+
+ ecp_pld_set_type(pld_buf, pld_size, mtype);
+ ecp_pld_set_frag(pld_buf, pld_size, i, pkt_cnt, frag_size);
+ msg_buf = ecp_pld_get_msg(pld_buf, pld_size);
+
+ if ((i == pkt_cnt - 1) && frag_size_final) frag_size = frag_size_final;
+ memcpy(msg_buf, msg, frag_size);
+ msg += frag_size;
+ nonce = nonce_start + i;
+
+ rv = ecp_pld_send_wnonce(conn, packet, payload, ECP_SIZE_PLD(frag_size, mtype), 0, &nonce);
+ if (rv < 0) return rv;
+ }
+
+ return msg_size;
+}
+
+ssize_t ecp_pld_defrag(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *payload, size_t pld_size) {
+ ECPRBConn *_conn = NULL;
+ ECPFragIter *iter = NULL;
+ unsigned char *msg;
+ unsigned char frag_cnt, frag_tot;
+ uint16_t frag_size;
+ size_t hdr_size, msg_size;
+ size_t buf_offset;
+ int rv;
+
+ _conn = ecp_rbuf_get_rbconn(conn);
+ if (conn) iter = ecp_frag_iter_get(_conn);
+ if (iter == NULL) ECP_ERR_ITER;
+
+ rv = ecp_pld_get_frag(payload, pld_size, &frag_cnt, &frag_tot, &frag_size);
+ if (rv) return ECP_ERR;
+
+ msg = ecp_pld_get_msg(payload, pld_size);
+ if (msg == NULL) return ECP_ERR;
+ hdr_size = msg - payload;
+
+ msg_size = pld_size - hdr_size;
+ if (msg_size == 0) return ECP_ERR;
+
+ if (iter->pld_size && (iter->seq + frag_cnt != seq)) ecp_frag_iter_reset(iter);
+
+ if (iter->pld_size == 0) {
+ iter->seq = seq - frag_cnt;
+ iter->frag_cnt = 0;
+ }
+
+ mtype &= ~ECP_MTYPE_FLAG_FRAG;
+ buf_offset = ECP_SIZE_MTYPE + ECP_SIZE_MT_FLAG(mtype) + frag_size * frag_cnt;
+ if (buf_offset + msg_size > iter->buf_size) return ECP_ERR_SIZE;
+ memcpy(iter->buffer + buf_offset, msg, msg_size);
+
+ if (frag_cnt == 0) {
+ if (ECP_SIZE_MTYPE + ECP_SIZE_MT_FLAG(mtype) > iter->buf_size) return ECP_ERR_SIZE;
+
+ iter->buffer[0] = mtype;
+ if (ECP_SIZE_MT_FLAG(mtype)) {
+ memcpy(iter->buffer + ECP_SIZE_MTYPE, payload + ECP_SIZE_MTYPE, ECP_SIZE_MT_FLAG(mtype));
+ }
+ msg_size += ECP_SIZE_MTYPE + ECP_SIZE_MT_FLAG(mtype);
+ }
+
+ iter->frag_cnt++;
+ iter->pld_size += msg_size;
+ if (iter->frag_cnt == frag_tot) {
+ ecp_pld_handle_one(conn, iter->seq, iter->buffer, iter->pld_size, NULL);
+ ecp_frag_iter_reset(iter);
+ }
+
+ return pld_size;
+}
diff --git a/ecp/src/ecp/ext/frag.h b/ecp/src/ecp/ext/frag.h
new file mode 100644
index 0000000..1400c1d
--- /dev/null
+++ b/ecp/src/ecp/ext/frag.h
@@ -0,0 +1,13 @@
+typedef struct ECPFragIter {
+ ecp_seq_t seq;
+ unsigned char frag_cnt;
+ unsigned char *buffer;
+ size_t buf_size;
+ size_t pld_size;
+} ECPFragIter;
+
+int ecp_frag_iter_init(ECPRBConn *conn, ECPFragIter *iter, unsigned char *buffer, size_t buf_size);
+ECPFragIter *ecp_frag_iter_get(ECPRBConn *conn);
+void ecp_frag_iter_reset(ECPFragIter *iter);
+ssize_t ecp_msg_frag(ECPConnection *conn, unsigned char mtype, unsigned char *msg, size_t msg_size, ECPBuffer *packet, ECPBuffer *payload);
+ssize_t ecp_pld_defrag(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *payload, size_t pld_size); \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 18:59:46 +0000