From 109f39e09630409a30a9f4e8183f539c499f07ba Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Mon, 3 Jun 2024 04:06:21 +0200
Subject: improved (v)conn init / open / init vlink / open vlink API;
 implemented randezvous hashing

---
 ecp/test/vc_common.c | 128 ---------------------------------------------------
 1 file changed, 128 deletions(-)
 delete mode 100644 ecp/test/vc_common.c

(limited to 'ecp/test/vc_common.c')

diff --git a/ecp/test/vc_common.c b/ecp/test/vc_common.c
deleted file mode 100644
index 4f544ae..0000000
--- a/ecp/test/vc_common.c
+++ /dev/null
@@ -1,128 +0,0 @@
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <arpa/inet.h>
-
-#include <ecp/core.h>
-#include <ecp/dir/dir.h>
-#include <ecp/vconn/vconn.h>
-
-#include <openssl/crypto.h>
-#include <openssl/sha.h>
-
-#include "vc_common.h"
-
-#define VCONN_NODES 3
-
-#define MIN(X, Y)           (((X) < (Y)) ? (X) : (Y))
-#define MAX(X, Y)           (((X) > (Y)) ? (X) : (Y))
-
-static void msg_remove_item(unsigned char *msg, uint16_t i, uint16_t c) {
-    if (c - i - 1) memmove(msg + i * ECP_SIZE_DIR_ITEM, msg + (i + 1) * ECP_SIZE_DIR_ITEM, (c - i - 1) * ECP_SIZE_DIR_ITEM);
-}
-
-static void hrw_select(unsigned char *msg, uint16_t count, ecp_ecdh_public_t *pub, ecp_ecdh_public_t *hrw_pub, ecp_ecdh_public_t vconn_pub[], size_t *_vconn_size, ecp_tr_addr_t *addr) {
-    unsigned char *_msg = msg;
-    unsigned char hash[SHA_DIGEST_LENGTH];
-    unsigned char hrw_hash[SHA_DIGEST_LENGTH];
-    ecp_ecdh_public_t hash_pub[2];
-    size_t vconn_size = *_vconn_size;
-    ECPDirItem dir_item;
-    SHA_CTX ctx;
-    int i, hrw_i;
-
-    if (count == 0) return;
-
-    memset(hrw_hash, 0, sizeof(hrw_hash));
-    memcpy(&hash_pub[0], pub, sizeof(ecp_ecdh_public_t));
-
-    for (i=0; i<count; i++) {
-        unsigned char *host;
-        uint16_t port;
-        size_t rv;
-
-        rv = ecp_dir_parse_item(&dir_item, _msg);
-        _msg += rv;
-
-        host = dir_item.node.addr.host;
-        port = dir_item.node.addr.port;
-        printf("ITEM: %d.%d.%d.%d:%d\n", host[0], host[1], host[2], host[3], ntohs(port));
-
-        memcpy(&hash_pub[1], &dir_item.node.key_perma.public, sizeof(ecp_ecdh_public_t));
-        SHA1_Init(&ctx);
-        SHA1_Update(&ctx, hash_pub, sizeof(hash_pub));
-        SHA1_Final(hash, &ctx);
-        if (memcmp(hrw_hash, hash, sizeof(hash)) < 0) {
-            hrw_i = i;
-            memcpy(hrw_hash, hash, sizeof(hash));
-            memcpy(hrw_pub, &dir_item.node.key_perma, sizeof(ecp_ecdh_public_t));
-        }
-    }
-
-    printf("SELECTED: %d\n", hrw_i);
-    msg_remove_item(msg, hrw_i, count);
-    count--;
-
-    vconn_size = MIN(count, vconn_size);
-    for (i=0; i<vconn_size; i++) {
-        uint16_t s;
-
-        s = arc4random() % count;
-        _msg = msg + s * ECP_SIZE_DIR_ITEM;
-        ecp_dir_parse_item(&dir_item, _msg);
-        memcpy(&vconn_pub[i], &dir_item.node.key_perma, sizeof(ecp_ecdh_public_t));
-        if (i==0) *addr = dir_item.node.addr;
-        msg_remove_item(msg, s, count);
-        count--;
-    }
-    *_vconn_size = vconn_size;
-}
-
-int vc_open_inb(ECPConnection *vlink, unsigned char *msg, uint16_t count, ecp_ecdh_public_t *local_pub) {
-    ecp_ecdh_public_t vconn_pub[VCONN_NODES - 1];
-    ecp_ecdh_public_t hrw_pub;
-    ecp_tr_addr_t addr;
-    ECPNode node;
-    ECPVConnOutb *vconn;
-    size_t vconn_size;
-    int rv;
-
-    vconn_size = VCONN_NODES - 1;
-    hrw_select(msg, count, local_pub, &hrw_pub, vconn_pub, &vconn_size, &addr);
-
-    vconn = malloc(sizeof(ECPVConnOutb) * vconn_size);
-    if (vconn == NULL) return ECP_ERR_ALLOC;
-
-    ecp_vconn_init(vconn, vconn_pub, vconn_size, vlink->sock);
-    ecp_node_init(&node, &hrw_pub, &addr);
-    rv = ecp_vconn_open(vconn, vlink, &node);
-    printf("ecp_vconn_open RV:%d\n", rv);
-
-    return ECP_OK;
-}
-
-int vc_open_outb(ECPConnection *conn, unsigned char *msg, uint16_t count, ecp_ecdh_public_t *remote_pub) {
-    ecp_ecdh_public_t vconn_pub[VCONN_NODES];
-    ecp_ecdh_public_t hrw_pub;
-    ecp_tr_addr_t addr;
-    ECPNode node;
-    ECPVConnOutb *vconn;
-    size_t vconn_size;
-    int rv;
-
-    vconn_size = VCONN_NODES - 1;
-    hrw_select(msg, count, remote_pub, &hrw_pub, vconn_pub, &vconn_size, &addr);
-    memcpy(&vconn_pub[vconn_size], &hrw_pub, sizeof(ecp_ecdh_public_t));
-    vconn_size++;
-
-    vconn = malloc(sizeof(ECPVConnOutb) * vconn_size);
-    if (vconn == NULL) return ECP_ERR_ALLOC;
-
-    ecp_vconn_init(vconn, vconn_pub, vconn_size, conn->sock);
-    ecp_node_init(&node, remote_pub, &addr);
-    rv = ecp_vconn_open(vconn, conn, &node);
-    printf("ecp_vconn_open RV:%d\n", rv);
-
-    return ECP_OK;
-}
-- 
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