xx

        cfg.ike[i]->IDi = strdup(strcat(ID, i_str));
        strcpy(ID, "IkeSim"); // reset ID back to IkeSim
        cfg.ike[i]->IDi_len = strlen(cfg.ike[i]->IDi);
        // Default identity for Other Server
        identity_len = 4;
        cfg.ike[i]->IDr = malloc(identity_len);
        if (cfg.ike[i]->IDr == NULL) {
            perror("\n Cannot allocate IDr");
        }
        memcpy(cfg.ike[i]->IDr, "Strong", identity_len);
        cfg.ike[i]->IDr_len = identity_len;
        cfg.ike[i]->IDr[cfg.ike[i]->IDr_len] = '\0'; // for string operations

        memcpy(cfg.ike[i]->user_password, "password", 8);
        cfg.ike[i]->user_password_len = 8;