diff options
Diffstat (limited to 'code/core/vconn/vconn.c')
| -rw-r--r-- | code/core/vconn/vconn.c | 613 |
1 files changed, 0 insertions, 613 deletions
diff --git a/code/core/vconn/vconn.c b/code/core/vconn/vconn.c deleted file mode 100644 index dadff0f..0000000 --- a/code/core/vconn/vconn.c +++ /dev/null @@ -1,613 +0,0 @@ -#include "core.h" -#include "vconn.h" - -#include <string.h> - -#ifdef ECP_WITH_PTHREAD -static pthread_mutex_t key_perma_mutex; -static pthread_mutex_t key_next_mutex; -#endif - -static void *key_perma_table; -static void *key_next_table; - -static unsigned char key_null[ECP_ECDH_SIZE_KEY] = { 0 }; - -static ECPConnHandler handler_vc; -static ECPConnHandler handler_vl; - -static int vconn_create(ECPConnection *conn, unsigned char *payload, size_t size) { - ECPContext *ctx = conn->sock->ctx; - ECPVConnIn *conn_v = (ECPVConnIn *)conn; - int rv = ECP_OK; - - if (conn->out) return ECP_ERR; - if (conn->type != ECP_CTYPE_VCONN) return ECP_ERR; - if (size < 2*ECP_ECDH_SIZE_KEY) return ECP_ERR; - - conn_v->key_next_curr = 0; - memset(conn_v->key_next, 0, sizeof(conn_v->key_next)); - memset(conn_v->key_out, 0, sizeof(conn_v->key_out)); - memcpy(conn_v->key_next[conn_v->key_next_curr], payload, ECP_ECDH_SIZE_KEY); - memcpy(conn_v->key_out, payload+ECP_ECDH_SIZE_KEY, ECP_ECDH_SIZE_KEY); - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&key_next_mutex); -#endif -#ifdef ECP_WITH_HTABLE - rv = ctx->ht.init ? ctx->ht.insert(key_next_table, conn_v->key_next[conn_v->key_next_curr], conn) : ECP_ERR; -#endif -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&key_next_mutex); -#endif - - return rv; -} - -static void vconn_destroy(ECPConnection *conn) { - ECPContext *ctx = conn->sock->ctx; - ECPVConnIn *conn_v = (ECPVConnIn *)conn; - - if (conn->out) return; - if (conn->type != ECP_CTYPE_VCONN) return; - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&key_next_mutex); - pthread_mutex_lock(&conn->mutex); -#endif -#ifdef ECP_WITH_HTABLE - if (ctx->ht.init) { - int i; - for (i=0; i<ECP_MAX_NODE_KEY; i++) { - if (memcmp(conn_v->key_next[i], key_null, ECP_ECDH_SIZE_KEY)) ctx->ht.remove(key_next_table, conn_v->key_next[i]); - } - } -#endif -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&conn->mutex); - pthread_mutex_unlock(&key_next_mutex); -#endif -} - -static ssize_t _vconn_send_open(ECPConnection *conn, ECPTimerItem *ti) { - ECPBuffer packet; - ECPBuffer payload; - unsigned char pkt_buf[ECP_SIZE_PKT_BUF(0, ECP_MTYPE_KGET_REQ, conn)]; - unsigned char pld_buf[ECP_SIZE_PLD_BUF(0, ECP_MTYPE_KGET_REQ, conn)]; - - packet.buffer = pkt_buf; - packet.size = ECP_SIZE_PKT_BUF(0, ECP_MTYPE_KGET_REQ, conn); - payload.buffer = pld_buf; - payload.size = ECP_SIZE_PLD_BUF(0, ECP_MTYPE_KGET_REQ, conn); - - ecp_pld_set_type(pld_buf, ECP_MTYPE_KGET_REQ); - return ecp_pld_send_ll(conn, &packet, ECP_ECDH_IDX_PERMA, ECP_ECDH_IDX_INV, &payload, ECP_SIZE_PLD(0, ECP_MTYPE_KGET_REQ), ti); -} - -static ssize_t vconn_open(ECPConnection *conn) { - int rv = ECP_OK; - ECPTimerItem ti; - ECPVConnection *conn_v = (ECPVConnection *)conn; - ECPConnection *conn_next = conn_v->next; - - if (conn_next == NULL) return ECP_ERR; - - ssize_t _rv = ecp_timer_send(conn_next, _vconn_send_open, ECP_MTYPE_KGET_REP, 3, 3000); - if (_rv < 0) return _rv; - - return _rv; -} - -static ssize_t vconn_handle_open(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) { - if (conn->type != ECP_CTYPE_VCONN) return ECP_ERR; - - if (mtype & ECP_MTYPE_FLAG_REP) { - if (!conn->out) return ECP_ERR; - if (size < 0) { - ecp_conn_handler_msg_t *handler = NULL; - while (conn->type == ECP_CTYPE_VCONN) { - ECPVConnection *conn_v = (ECPVConnection *)conn; - conn = conn_v->next; - } - handler = conn->sock->ctx->handler[conn->type] ? conn->sock->ctx->handler[conn->type]->msg[ECP_MTYPE_OPEN] : NULL; - return handler ? handler(conn, seq, mtype, msg, size, b) : size; - } - - return ecp_conn_handle_open(conn, seq, mtype, msg, size, b); - } else { - ECPContext *ctx = conn->sock->ctx; - ECPVConnIn *conn_v = (ECPVConnIn *)conn; - int rv = ECP_OK; - unsigned char ctype = 0; - - if (conn->out) return ECP_ERR; - if (size < 0) return size; - if (size < 1+2*ECP_ECDH_SIZE_KEY) return ECP_ERR; - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&key_next_mutex); - pthread_mutex_lock(&conn->mutex); -#endif - - ctype = msg[0]; - msg++; - - if (!ecp_conn_is_open(conn)) conn->flags |= ECP_CONN_FLAG_OPEN; - if (memcmp(conn_v->key_next[conn_v->key_next_curr], msg, ECP_ECDH_SIZE_KEY)) { - conn_v->key_next_curr = (conn_v->key_next_curr + 1) % ECP_MAX_NODE_KEY; -#ifdef ECP_WITH_HTABLE - if (ctx->ht.init) { - if (memcmp(conn_v->key_next[conn_v->key_next_curr], key_null, ECP_ECDH_SIZE_KEY)) ctx->ht.remove(key_next_table, conn_v->key_next[conn_v->key_next_curr]); - rv = ctx->ht.insert(key_next_table, conn_v->key_next[conn_v->key_next_curr], conn); - } else { - rv = ECP_ERR; - } -#endif - if (!rv) memcpy(conn_v->key_next[conn_v->key_next_curr], msg, ECP_ECDH_SIZE_KEY); - } - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&conn->mutex); - pthread_mutex_unlock(&key_next_mutex); -#endif - - if (rv) return rv; - - return 1+2*ECP_ECDH_SIZE_KEY; - } - - return ECP_ERR; -} - -static ssize_t vconn_handle_relay(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) { - ECPContext *ctx = conn->sock->ctx; - ECPConnection *conn_out = NULL; - ECPVConnIn *conn_v = (ECPVConnIn *)conn; - ssize_t rv; - - if (conn->out) return ECP_ERR; - if (conn->type != ECP_CTYPE_VCONN) return ECP_ERR; - if (b == NULL) return ECP_ERR; - - if (size < 0) return size; - if (size < ECP_MIN_PKT) return ECP_ERR_MIN_PKT; - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&key_perma_mutex); -#endif -#ifdef ECP_WITH_HTABLE - conn_out = ctx->ht.init ? ctx->ht.search(key_perma_table, conn_v->key_out) : NULL; -#endif - if (conn_out) { -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&conn_out->mutex); -#endif - conn_out->refcount++; -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&conn_out->mutex); -#endif - } -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&key_perma_mutex); -#endif - - if (conn_out == NULL) return ECP_ERR; - - ECPBuffer payload; - payload.buffer = msg - ECP_SIZE_PLD_HDR - 1; - payload.size = b->payload->size - (payload.buffer - b->payload->buffer); - - ecp_pld_set_type(payload.buffer, ECP_MTYPE_EXEC); - rv = ecp_pld_send(conn_out, b->packet, &payload, ECP_SIZE_PLD_HDR+1+size); - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&conn_out->mutex); -#endif - conn_out->refcount--; -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&conn_out->mutex); -#endif - - if (rv < 0) return rv; - return size; -} - -static int vlink_insert(ECPConnection *conn) { - int rv = ECP_OK; - ECPContext *ctx = conn->sock->ctx; - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&key_perma_mutex); -#endif -#ifdef ECP_WITH_HTABLE - rv = ctx->ht.init ? ctx->ht.insert(key_perma_table, ctx->cr.dh_pub_get_buf(&conn->node.public), conn) : ECP_OK; -#endif -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&key_perma_mutex); -#endif - - return rv; -} - -static void vlink_remove(ECPConnection *conn) { - ECPContext *ctx = conn->sock->ctx; - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&key_perma_mutex); -#endif -#ifdef ECP_WITH_HTABLE - if (ctx->ht.init) ctx->ht.remove(key_perma_table, ctx->cr.dh_pub_get_buf(&conn->node.public)); -#endif -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&key_perma_mutex); -#endif -} - -static int vlink_create(ECPConnection *conn, unsigned char *payload, size_t size) { - ECPContext *ctx = conn->sock->ctx; - - if (conn->out) return ECP_ERR; - if (conn->type != ECP_CTYPE_VLINK) return ECP_ERR; - - // XXX should verify perma_key - if (size < ECP_ECDH_SIZE_KEY) return ECP_ERR; - ctx->cr.dh_pub_from_buf(&conn->node.public, payload); - - return vlink_insert(conn); -} - -static void vlink_destroy(ECPConnection *conn) { - ECPContext *ctx = conn->sock->ctx; - - if (conn->out) return; - if (conn->type != ECP_CTYPE_VLINK) return; - - vlink_remove(conn); -} - -static ssize_t _vlink_send_open(ECPConnection *conn, ECPTimerItem *ti) { - ECPSocket *sock = conn->sock; - ECPContext *ctx = sock->ctx; - - ECPBuffer packet; - ECPBuffer payload; - unsigned char pkt_buf[ECP_SIZE_PKT_BUF(ECP_ECDH_SIZE_KEY+1, ECP_MTYPE_OPEN_REQ, conn)]; - unsigned char pld_buf[ECP_SIZE_PLD_BUF(ECP_ECDH_SIZE_KEY+1, ECP_MTYPE_OPEN_REQ, conn)]; - unsigned char *buf = ecp_pld_get_buf(pld_buf, ECP_MTYPE_OPEN_REQ); - int rv = ECP_OK; - - packet.buffer = pkt_buf; - packet.size = ECP_SIZE_PKT_BUF(ECP_ECDH_SIZE_KEY+1, ECP_MTYPE_OPEN_REQ, conn); - payload.buffer = pld_buf; - payload.size = ECP_SIZE_PLD_BUF(ECP_ECDH_SIZE_KEY+1, ECP_MTYPE_OPEN_REQ, conn); - - // XXX server should verify perma_key - ecp_pld_set_type(pld_buf, ECP_MTYPE_OPEN_REQ); - buf[0] = conn->type; - memcpy(buf+1, ctx->cr.dh_pub_get_buf(&sock->key_perma.public), ECP_ECDH_SIZE_KEY); - - return ecp_pld_send_wtimer(conn, &packet, &payload, ECP_SIZE_PLD(ECP_ECDH_SIZE_KEY+1, ECP_MTYPE_OPEN_REQ), ti); -} - -static ssize_t vlink_open(ECPConnection *conn) { - return ecp_timer_send(conn, _vlink_send_open, ECP_MTYPE_OPEN_REP, 3, 500); -} - -static void vlink_close(ECPConnection *conn) { - vlink_remove(conn); -} - -static ssize_t vlink_handle_open(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) { - ssize_t rv; - int is_open; - - if (conn->type != ECP_CTYPE_VLINK) return ECP_ERR; - - if (size < 0) return size; - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&conn->mutex); -#endif - is_open = ecp_conn_is_open(conn); -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&conn->mutex); -#endif - - rv = ecp_conn_handle_open(conn, seq, mtype, msg, size, b); - if (rv < 0) return rv; - - if (mtype & ECP_MTYPE_FLAG_REP) { - if (!conn->out) return ECP_ERR; - if (!is_open) { - int rv = vlink_insert(conn); - if (rv) return rv; - } - return rv; - } else { - if (conn->out) return ECP_ERR; - if (size < rv+ECP_ECDH_SIZE_KEY) return ECP_ERR; - - msg += rv; - - // XXX should verify perma_key - return rv+ECP_ECDH_SIZE_KEY; - } - - return ECP_ERR; -} - -static ssize_t vlink_handle_relay(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) { - ECPContext *ctx = conn->sock->ctx; - ssize_t rv; - - if (conn->type != ECP_CTYPE_VLINK) return ECP_ERR; - if (b == NULL) return ECP_ERR; - - if (size < 0) return size; - if (size < ECP_MIN_PKT) return ECP_ERR_MIN_PKT; - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&key_next_mutex); -#endif -#ifdef ECP_WITH_HTABLE - conn = ctx->ht.init ? ctx->ht.search(key_next_table, msg+ECP_SIZE_PROTO+1) : NULL; -#endif - if (conn) { -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&conn->mutex); -#endif - conn->refcount++; -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&conn->mutex); -#endif - } -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&key_next_mutex); -#endif - - if (conn == NULL) return ECP_ERR; - - ECPBuffer payload; - payload.buffer = msg - ECP_SIZE_PLD_HDR - 1; - payload.size = b->payload->size - (payload.buffer - b->payload->buffer); - - ecp_pld_set_type(payload.buffer, ECP_MTYPE_EXEC); - rv = ecp_pld_send(conn, b->packet, &payload, ECP_SIZE_PLD_HDR+1+size); - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&conn->mutex); -#endif - conn->refcount--; -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&conn->mutex); -#endif - - if (rv < 0) return rv; - return size; -} - -static ssize_t vconn_set_msg(ECPConnection *conn, ECPBuffer *payload, unsigned char mtype) { - if (conn->out && (conn->type == ECP_CTYPE_VCONN) && ((mtype == ECP_MTYPE_OPEN_REQ) || (mtype == ECP_MTYPE_KGET_REQ))) { - ECPVConnection *conn_v = (ECPVConnection *)conn; - ECPContext *ctx = conn->sock->ctx; - ECPConnection *conn_next = conn_v->next; - unsigned char *buf = NULL; - int rv; - - if (payload->size < ECP_SIZE_PLD_HDR + 3 + 2 * ECP_ECDH_SIZE_KEY) return ECP_ERR; - if (conn_next == NULL) return ECP_ERR; - - ecp_pld_set_type(payload->buffer, ECP_MTYPE_OPEN_REQ); - buf = ecp_pld_get_buf(payload->buffer, 0); - - buf[0] = ECP_CTYPE_VCONN; - rv = ecp_conn_dhkey_get_curr(conn_next, NULL, buf+1); - if (rv) return rv; - - memcpy(buf+1+ECP_ECDH_SIZE_KEY, ctx->cr.dh_pub_get_buf(&conn_next->node.public), ECP_ECDH_SIZE_KEY); - buf[1+2*ECP_ECDH_SIZE_KEY] = ECP_MTYPE_RELAY; - - return ECP_SIZE_PLD_HDR + 3 + 2 * ECP_ECDH_SIZE_KEY; - } else { - if (payload->size < ECP_SIZE_PLD_HDR + 1) return ECP_ERR; - - ecp_pld_set_type(payload->buffer, ECP_MTYPE_RELAY); - - return ECP_SIZE_PLD_HDR + 1; - } - -} - -/* Memory limited version: */ -static ssize_t vconn_pack(ECPConnection *conn, ECPBuffer *packet, unsigned char s_idx, unsigned char c_idx, ECPBuffer *payload, size_t pld_size, ECPSeqItem *si, ECPNetAddr *addr) { - ECPContext *ctx = conn->sock->ctx; - - if (conn->parent) { - unsigned char mtype = ecp_pld_get_type(payload->buffer); - ssize_t rv, hdr_size = vconn_set_msg(conn->parent, packet, mtype); - if (hdr_size < 0) return hdr_size; - - rv = ecp_conn_pack(conn, packet->buffer+hdr_size, packet->size-hdr_size, s_idx, c_idx, payload->buffer, pld_size, si, NULL); - if (rv < 0) return rv; - - if (payload->size < rv+hdr_size) return ECP_ERR; - memcpy(payload->buffer, packet->buffer, rv+hdr_size); - - return vconn_pack(conn->parent, packet, ECP_ECDH_IDX_INV, ECP_ECDH_IDX_INV, payload, rv+hdr_size, NULL, addr); - } else { - return ecp_conn_pack(conn, packet->buffer, packet->size, s_idx, c_idx, payload->buffer, pld_size, si, addr); - } -} - -static ssize_t vconn_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) { - ECPContext *ctx = sock->ctx; - - if (parent) { - unsigned char mtype = ecp_pld_get_type(payload->buffer); - ssize_t rv, hdr_size = vconn_set_msg(parent, packet, mtype); - if (hdr_size < 0) return hdr_size; - - rv = ecp_pack(ctx, packet->buffer+hdr_size, packet->size-hdr_size, s_idx, c_idx, public, shsec, nonce, seq, payload->buffer, pld_size); - if (rv < 0) return rv; - - if (payload->size < rv+hdr_size) return ECP_ERR; - memcpy(payload->buffer, packet->buffer, rv+hdr_size); - - return vconn_pack(parent, packet, ECP_ECDH_IDX_INV, ECP_ECDH_IDX_INV, payload, rv+hdr_size, NULL, addr); - } else { - return ecp_pack(ctx, packet->buffer, packet->size, s_idx, c_idx, public, shsec, nonce, seq, payload->buffer, pld_size); - } -} - -/* Non memory limited version: */ -/* -static ssize_t vconn_pack(ECPConnection *conn, ECPBuffer *packet, unsigned char s_idx, unsigned char c_idx, ECPBuffer *payload, size_t pld_size, ECPSeqItem *si, ECPNetAddr *addr) { - ECPContext *ctx = conn->sock->ctx; - - if (conn->parent) { - ECPBuffer payload_; - unsigned char pld_buf[ECP_MAX_PLD]; - - payload_.buffer = pld_buf; - payload_.size = ECP_MAX_PLD; - - unsigned char mtype = ecp_pld_get_type(payload->buffer); - ssize_t rv, hdr_size = vconn_set_msg(conn->parent, &payload_, mtype); - if (hdr_size < 0) return hdr_size; - - rv = ecp_conn_pack(conn, payload_.buffer+hdr_size, payload_.size-hdr_size, s_idx, c_idx, payload->buffer, pld_size, si, NULL); - if (rv < 0) return rv; - - return vconn_pack(conn->parent, packet, ECP_ECDH_IDX_INV, ECP_ECDH_IDX_INV, &payload_, rv+hdr_size, NULL, addr); - } else { - return ecp_conn_pack(conn, packet->buffer, packet->size, s_idx, c_idx, payload->buffer, pld_size, si, addr); - } -} - -static ssize_t vconn_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) { - ECPContext *ctx = sock->ctx; - - if (parent) { - ECPBuffer payload_; - unsigned char pld_buf[ECP_MAX_PLD]; - - payload_.buffer = pld_buf; - payload_.size = ECP_MAX_PLD; - - unsigned char mtype = ecp_pld_get_type(payload->buffer); - ssize_t rv, hdr_size = vconn_set_msg(parent, &payload_, mtype); - if (hdr_size < 0) return hdr_size; - - rv = ecp_pack(ctx, payload_.buffer+hdr_size, payload_.size-hdr_size, s_idx, c_idx, public, shsec, nonce, seq, payload->buffer, pld_size); - if (rv < 0) return rv; - - return vconn_pack(parent, packet, ECP_ECDH_IDX_INV, ECP_ECDH_IDX_INV, &payload_, rv+hdr_size, NULL, addr); - } else { - return ecp_pack(ctx, packet->buffer, packet->size, s_idx, c_idx, public, shsec, nonce, seq, payload->buffer, pld_size); - } -} -*/ - -int ecp_ctx_vconn_init(ECPContext *ctx) { - int rv; - - rv = ecp_conn_handler_init(&handler_vc); - if (rv) return rv; - - handler_vc.conn_create = vconn_create; - handler_vc.conn_destroy = vconn_destroy; - handler_vc.conn_open = vconn_open; - handler_vc.msg[ECP_MTYPE_OPEN] = vconn_handle_open; - handler_vc.msg[ECP_MTYPE_EXEC] = ecp_conn_handle_exec; - handler_vc.msg[ECP_MTYPE_RELAY] = vconn_handle_relay; - ctx->handler[ECP_CTYPE_VCONN] = &handler_vc; - - rv = ecp_conn_handler_init(&handler_vl); - if (rv) return rv; - - handler_vl.conn_create = vlink_create; - handler_vl.conn_destroy = vlink_destroy; - handler_vl.conn_open = vlink_open; - handler_vl.conn_close = vlink_close; - handler_vl.msg[ECP_MTYPE_OPEN] = vlink_handle_open; - handler_vl.msg[ECP_MTYPE_EXEC] = ecp_conn_handle_exec; - handler_vl.msg[ECP_MTYPE_RELAY] = vlink_handle_relay; - ctx->handler[ECP_CTYPE_VLINK] = &handler_vl; - - ctx->pack = vconn_pack; - ctx->pack_raw = vconn_pack_raw; - -#ifdef ECP_WITH_PTHREAD - rv = pthread_mutex_init(&key_perma_mutex, NULL); - if (!rv) pthread_mutex_init(&key_next_mutex, NULL); - if (rv) return ECP_ERR; -#endif - -#ifdef ECP_WITH_HTABLE - if (ctx->ht.init) { - key_perma_table = ctx->ht.create(ctx); - key_next_table = ctx->ht.create(ctx); - if ((key_perma_table == NULL) || (key_next_table == NULL)) return ECP_ERR; - } -#endif - - return ECP_OK; -} - -int ecp_vconn_init(ECPConnection *conn, ECPNode *conn_node, ECPVConnection vconn[], ECPNode vconn_node[], int size) { - ECPSocket *sock = conn->sock; - int i, rv; - - rv = ecp_conn_init(conn, conn_node); - if (rv) return rv; - - conn->parent = (ECPConnection *)&vconn[size-1]; - conn->pcount = size; - for (i=0; i<size; i++) { - rv = ecp_conn_create((ECPConnection *)&vconn[i], sock, ECP_CTYPE_VCONN); - if (rv) return rv; - - rv = ecp_conn_init((ECPConnection *)&vconn[i], &vconn_node[i]); - if (rv) return rv; - - if (i == 0) { - vconn[i].b.parent = NULL; - } else { - vconn[i].b.parent = (ECPConnection *)&vconn[i-1]; - } - vconn[i].b.pcount = i; - - if (i == size - 1) { - vconn[i].next = conn; - } else { - vconn[i].next = (ECPConnection *)&vconn[i+1]; - } - } - - return ECP_OK; -} - -static ssize_t _vconn_send_kget(ECPConnection *conn, ECPTimerItem *ti) { - ECPBuffer packet; - ECPBuffer payload; - unsigned char pkt_buf[ECP_SIZE_PKT_BUF(0, ECP_MTYPE_KGET_REQ, conn)]; - unsigned char pld_buf[ECP_SIZE_PLD_BUF(0, ECP_MTYPE_KGET_REQ, conn)]; - - packet.buffer = pkt_buf; - packet.size = ECP_SIZE_PKT_BUF(0, ECP_MTYPE_KGET_REQ, conn); - payload.buffer = pld_buf; - payload.size = ECP_SIZE_PLD_BUF(0, ECP_MTYPE_KGET_REQ, conn); - - ecp_pld_set_type(pld_buf, ECP_MTYPE_KGET_REQ); - return ecp_pld_send_ll(conn, &packet, ECP_ECDH_IDX_PERMA, ECP_ECDH_IDX_INV, &payload, ECP_SIZE_PLD(0, ECP_MTYPE_KGET_REQ), ti); -} - -int ecp_vconn_open(ECPConnection *conn, ECPNode *conn_node, ECPVConnection vconn[], ECPNode vconn_node[], int size) { - int rv = ecp_vconn_init(conn, conn_node, vconn, vconn_node, size); - if (rv) return rv; - - ssize_t _rv = ecp_timer_send((ECPConnection *)&vconn[0], _vconn_send_kget, ECP_MTYPE_KGET_REP, 3, 500); - if (_rv < 0) return _rv; - - return ECP_OK; -}
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