X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=ntsimulator%2Fntsim-ng%2Fcore%2Fnc_config.c;fp=ntsimulator%2Fntsim-ng%2Fcore%2Fnc_config.c;h=43402ebd6d1ef9150e3710593c905a8f2f5e5e7e;hb=f1d5c9198acde7a7ce296490087cad37e008f688;hp=0000000000000000000000000000000000000000;hpb=f2d8f1002fa93848c80a88e5658db4816cba3020;p=sim%2Fo1-interface.git

diff --git a/ntsimulator/ntsim-ng/core/nc_config.c b/ntsimulator/ntsim-ng/core/nc_config.c
new file mode 100644
index 0000000..43402eb
--- /dev/null
+++ b/ntsimulator/ntsim-ng/core/nc_config.c
@@ -0,0 +1,620 @@
+/*************************************************************************
+*
+* Copyright 2020 highstreet technologies GmbH and others
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+***************************************************************************/
+
+#define _GNU_SOURCE
+
+#include "nc_config.h"
+#include "utils/log_utils.h"
+#include "utils/sys_utils.h"
+#include "utils/http_client.h"
+#include <stdio.h>
+#include <assert.h>
+
+#include <libyang/libyang.h>
+#include "core/session.h"
+#include "core/framework.h"
+
+#define GEN_KEY_SCRIPT                              "/home/netconf/.ssh/generate-ssh-keys.sh"
+#define KS_CERT_NAME                                "melacon_server_cert"
+#define SERVER_PRIVATE_KEY_PATH                     "/home/netconf/.ssh/melacon.server.key"
+#define SERVER_PUBLIC_KEY_PATH                      "/home/netconf/.ssh/melacon.server.key.pub.pem"
+#define SERVER_CERT_PATH                            "/home/netconf/.ssh/melacon.server.crt"
+#define CLIENT_CERT_PATH                            "/home/netconf/.ssh/client.crt"
+#define CA_CERT_PATH                                "/home/netconf/.ssh/ca.pem"
+
+static int nc_config_netconf_port = STANDARD_NETCONF_PORT;
+
+static int load_ssh_keys(sr_session_ctx_t *session);
+static int load_trusted_certificates(sr_session_ctx_t *session);
+static int remove_nacm(sr_session_ctx_t *session);
+static int create_ssh_listen_endpoints(struct lyd_node *netconf_node, int ssh_connections);
+static int create_tls_listen_endpoints(struct lyd_node *netconf_node, int tls_connections);
+static int configure_endpoints_connections(sr_session_ctx_t *session);
+
+int netconf_configure(void) {
+    int rc = NTS_ERR_OK;
+
+    nc_config_netconf_port = STANDARD_NETCONF_PORT;
+
+    sr_session_ctx_t *current_session;
+    rc = sr_session_start(session_connection, SR_DS_RUNNING, &current_session);
+    if(rc != 0) {
+        log_error("could not start session on running datastore");
+        return NTS_ERR_FAILED;
+    }
+
+    // generate and load private keys
+    log_message(1, "ietf-keystore startup datastore configuration...");     //checkAS e ok aici ?
+    rc = load_ssh_keys(current_session);
+    if(rc != 0) {
+        log_error("could not load SSH keys");
+        return NTS_ERR_FAILED;
+    }
+    log_message(1, LOG_COLOR_BOLD_GREEN"done\n"LOG_COLOR_RESET);
+
+    // load trusted certificates
+    log_message(1, "ietf-truststore startup datastore configuration...");
+    rc = load_trusted_certificates(current_session);
+    if(rc != 0) {
+        log_error("could not load trusted certificates");
+        return NTS_ERR_FAILED;
+    }
+    log_message(1, LOG_COLOR_BOLD_GREEN"done\n"LOG_COLOR_RESET);
+
+    // remove NACM
+    log_message(1, "Removing NACM...");
+    rc = remove_nacm(current_session);
+    if(rc != 0) {
+        log_error("could not remove NACM");
+        return NTS_ERR_FAILED;
+    }
+    log_message(1, LOG_COLOR_BOLD_GREEN"done\n"LOG_COLOR_RESET);
+
+    // configure SSH connections
+    log_message(1, "Configuring connection endpoints...");
+    rc = configure_endpoints_connections(current_session);
+    if(rc != 0) {
+        log_error("could not configure endpoint connections forNETCONF Server");
+        return NTS_ERR_FAILED;
+    }
+    log_message(1, LOG_COLOR_BOLD_GREEN"done\n"LOG_COLOR_RESET);
+
+    rc = sr_session_stop(current_session);
+    if(rc != 0) {
+        log_error("could not configure stop current sysrepo session");
+        return NTS_ERR_FAILED;
+    }
+
+    return NTS_ERR_OK;
+}
+
+static int load_ssh_keys(sr_session_ctx_t *session) {
+    assert(session);
+
+    int rc = NTS_ERR_OK;
+    char xpath[500];
+    struct lyd_node *rcl = 0;
+
+    rc = system(GEN_KEY_SCRIPT);
+    if(rc != 0) {
+        log_error("could not generate the SSH keys");
+        return NTS_ERR_FAILED;
+    }
+
+    struct lys_module *module;
+    module = (struct lys_module *)ly_ctx_get_module(session_context, "ietf-keystore", 0, 0);
+    if(module == 0) {
+        log_error("could not get module %s from context", "ietf-keystore");
+        return NTS_ERR_FAILED;
+    }
+    
+    struct lyd_node *keystore_node = 0;
+    keystore_node = lyd_new(NULL, module, "keystore");
+    if(keystore_node == 0) {
+        log_error("could not create a new lyd_node");
+        return NTS_ERR_FAILED;
+    }
+
+    sprintf(xpath, "/ietf-keystore:keystore/asymmetric-keys/asymmetric-key[name='%s']/algorithm", KS_KEY_NAME);
+    rcl = lyd_new_path(keystore_node, 0, xpath, "rsa2048", 0, LYD_PATH_OPT_NOPARENTRET);
+    if(rcl == 0) {
+        log_error("could not created yang path");
+        return NTS_ERR_FAILED;
+    }
+
+    char *private_key = read_key(SERVER_PRIVATE_KEY_PATH);
+    if(private_key == 0) {
+        log_error("could not read the private key from path=%s", SERVER_PRIVATE_KEY_PATH);
+        return NTS_ERR_FAILED;
+    }
+    log_message(2, "Private Key that was built: \n%s\n", private_key);
+
+    sprintf(xpath, "/ietf-keystore:keystore/asymmetric-keys/asymmetric-key[name='%s']/private-key", KS_KEY_NAME);
+    rcl = lyd_new_path(keystore_node, 0, xpath, private_key, 0, LYD_PATH_OPT_NOPARENTRET);
+    if(rcl == 0) {
+        log_error("could not created yang path");
+        return NTS_ERR_FAILED;
+    }
+
+    free(private_key);
+
+    char *public_key = read_key(SERVER_PUBLIC_KEY_PATH);
+    if(public_key == 0) {
+        log_error("could not read the public key from path=%s", SERVER_PUBLIC_KEY_PATH);
+        return NTS_ERR_FAILED;
+    }
+    log_message(2, "Public Key that was built: \n%s\n", public_key);
+
+    sprintf(xpath, "/ietf-keystore:keystore/asymmetric-keys/asymmetric-key[name='%s']/public-key", KS_KEY_NAME);
+    rcl = lyd_new_path(keystore_node, 0, xpath, public_key, 0, LYD_PATH_OPT_NOPARENTRET);
+    if(rcl == 0) {
+        log_error("could not created yang path");
+        return NTS_ERR_FAILED;
+    }
+
+    free(public_key);
+
+    char *certificate = read_key(SERVER_CERT_PATH);
+    if(certificate == 0) {
+        log_error("could not read the certificate from path=%s", SERVER_CERT_PATH);
+        return NTS_ERR_FAILED;
+    }
+    log_message(2, "Certificate that was built: \n%s\n", certificate);
+
+    sprintf(xpath, "/ietf-keystore:keystore/asymmetric-keys/asymmetric-key[name='%s']/certificates/certificate[name='%s']/cert", KS_KEY_NAME, KS_CERT_NAME);
+    rcl = lyd_new_path(keystore_node, 0, xpath, certificate, 0, LYD_PATH_OPT_NOPARENTRET);
+    if(rcl == 0) {
+        log_error("could not created yang path");
+        return NTS_ERR_FAILED;
+    }
+
+    free(certificate);
+
+    rc = sr_edit_batch(session, keystore_node, "replace");
+    if(rc != SR_ERR_OK) {
+        log_error("could not edit batch on datastore");
+        return NTS_ERR_FAILED;
+    }
+
+    rc = sr_validate(session, "ietf-keystore", 0);
+    if(rc != SR_ERR_OK) {
+        struct ly_err_item *err = ly_err_first(session_context);
+        log_error("sr_validate issues on STARTUP: %s", err->msg);
+        return false;
+    }
+
+    rc = sr_apply_changes(session, 0, 0);
+    if(rc != SR_ERR_OK) {
+        log_error("could not apply changes on datastore");
+        return NTS_ERR_FAILED;
+    }
+    
+    return NTS_ERR_OK;
+}
+
+static int load_trusted_certificates(sr_session_ctx_t *session) {
+    assert(session);
+
+    int rc = NTS_ERR_OK;
+    struct lyd_node *rcl = 0;
+
+    struct lyd_node *trusted_certificate_node = 0;
+    struct lys_module *module;
+    module = (struct lys_module *)ly_ctx_get_module(session_context, "ietf-truststore", 0, 0);
+    if(module == 0) {
+        log_error("could not get module %s from context", "ietf-truststore");
+        return NTS_ERR_FAILED;
+    }
+
+    trusted_certificate_node = lyd_new(NULL, module, "truststore");
+    if(trusted_certificate_node == 0) {
+        log_error("could not create a new lyd_node");
+        return NTS_ERR_FAILED;
+    }
+
+    char xpath[500];
+
+    sprintf(xpath, "/ietf-truststore:truststore/certificates[name='clientcerts']/certificate[name='clientcert']/cert");
+    char *client_cert = read_key(CLIENT_CERT_PATH);
+    rcl = lyd_new_path(trusted_certificate_node, 0, xpath, client_cert, 0, LYD_PATH_OPT_NOPARENTRET);
+    if(rcl == 0) {
+        log_error("could not created yang path");
+        return NTS_ERR_FAILED;
+    }
+    free(client_cert);
+
+    sprintf(xpath, "/ietf-truststore:truststore/certificates[name='cacerts']/certificate[name='cacert']/cert");
+    char *ca_cert = read_key(CA_CERT_PATH);
+    rcl = lyd_new_path(trusted_certificate_node, 0, xpath, ca_cert, 0, LYD_PATH_OPT_NOPARENTRET);
+    if(rcl == 0) {
+        log_error("could not created yang path");
+        return NTS_ERR_FAILED;
+    }
+    free(ca_cert);
+
+    rc = sr_edit_batch(session, trusted_certificate_node, "replace");
+    if(rc != SR_ERR_OK) {
+        log_error("could not edit batch on datastore");
+        return NTS_ERR_FAILED;
+    }
+
+    rc = sr_validate(session, "ietf-truststore", 0);
+    if(rc != SR_ERR_OK) {
+        struct ly_err_item *err = ly_err_first(session_context);
+        log_error("sr_validate issues on STARTUP: %s", err->msg);
+        return NTS_ERR_FAILED;
+    }
+
+    rc = sr_apply_changes(session, 0, 0);
+    if(rc != SR_ERR_OK) {
+        log_error("could not apply changes on datastore");
+        return NTS_ERR_FAILED;
+    }
+ 
+    return NTS_ERR_OK;
+}
+
+static int remove_nacm(sr_session_ctx_t *session) {
+    assert(session);
+
+    int rc = NTS_ERR_OK;
+    struct lyd_node *rcl = 0;
+    char xpath[100];
+
+    struct lys_module *module = 0;
+    module = (struct lys_module *) ly_ctx_get_module(session_context, "ietf-netconf-acm", 0, 0);
+    if(module == 0) {
+        log_error("could not get module %s from context", "ietf-netconf-acm");
+        return NTS_ERR_FAILED;
+    }
+
+    struct lyd_node *nacm_node = 0;
+    nacm_node = lyd_new(NULL, module, "nacm");
+    if(nacm_node == 0) {
+        log_error("could not create a new lyd_node");
+        return NTS_ERR_FAILED;
+    }
+
+    sprintf(xpath, "/ietf-netconf-acm:nacm/enable-nacm");
+    rcl = lyd_new_path(nacm_node, 0, xpath, "false", 0, LYD_PATH_OPT_NOPARENTRET);
+    if(rcl == 0) {
+        log_error("could not created yang path");
+        return NTS_ERR_FAILED;
+    }
+
+    rc = sr_edit_batch(session, nacm_node, "replace");
+    if(rc != SR_ERR_OK) {
+        log_error("could not edit batch on datastore");
+        return NTS_ERR_FAILED;
+    }
+
+    rc = sr_validate(session, "ietf-netconf-acm", 0);
+    if(rc != SR_ERR_OK) {
+        struct ly_err_item *err = ly_err_first(session_context);
+        log_error("sr_validate issues on STARTUP: %s", err->msg);
+        return NTS_ERR_FAILED;
+    }
+
+    rc = sr_apply_changes(session, 0, 0);
+    if(rc != SR_ERR_OK) {
+        log_error("could not apply changes on datastore");
+        return NTS_ERR_FAILED;
+    }
+    
+    return NTS_ERR_OK;
+}
+
+static int create_ssh_listen_endpoints(struct lyd_node *netconf_node, int ssh_connections) {
+    assert(netconf_node);
+
+    char xpath[500];
+    char local_ip[30];
+    struct lyd_node *rcl = 0;
+
+    
+    if(framework_environment.ip_v6_enabled) {
+        sprintf(local_ip, "::");
+    }
+    else {
+        sprintf(local_ip, "0.0.0.0");
+    } 
+
+    char *public_ssh_key = read_key(SERVER_PUBLIC_SSH_KEY_PATH);
+    if(public_ssh_key == 0) {
+        log_error("could not read the public ssh key from file %s", SERVER_PUBLIC_SSH_KEY_PATH);
+        return NTS_ERR_FAILED;
+    }
+
+    char *ssh_key_string;
+
+    ssh_key_string = strtok(public_ssh_key, " ");
+    ssh_key_string = strtok(NULL, " ");
+
+    for(int i=0; i < ssh_connections; ++i) {
+        char endpoint_name[100];
+        sprintf(endpoint_name, "mng-ssh-%d", i);
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/ssh/tcp-server-parameters/local-address", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, local_ip, 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        char local_port[10];
+        sprintf(local_port, "%d", nc_config_netconf_port++);
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/ssh/tcp-server-parameters/local-port", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, local_port, 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/ssh/tcp-server-parameters/keepalives/idle-time", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, "1", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/ssh/tcp-server-parameters/keepalives/max-probes", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, "10", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/ssh/tcp-server-parameters/keepalives/probe-interval", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, "5", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/ssh/ssh-server-parameters/server-identity/host-key[name='default-key']/public-key/keystore-reference", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, KS_KEY_NAME, 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/ssh/ssh-server-parameters/client-authentication/supported-authentication-methods/publickey", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, "", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/ssh/ssh-server-parameters/client-authentication/supported-authentication-methods/passsword", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, "", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/ssh/ssh-server-parameters/client-authentication/supported-authentication-methods/other", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, "interactive", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/ssh/ssh-server-parameters/client-authentication/users/user[name='netconf']/authorized-key[name='%s']/algorithm", endpoint_name, KS_KEY_NAME);
+        rcl = lyd_new_path(netconf_node, 0, xpath, "ssh-rsa", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/ssh/ssh-server-parameters/client-authentication/users/user[name='netconf']/authorized-key[name='%s']/key-data", endpoint_name, KS_KEY_NAME);
+        rcl = lyd_new_path(netconf_node, 0, xpath, ssh_key_string, 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+    } 
+
+    free(public_ssh_key);
+
+    return NTS_ERR_OK;
+}
+
+static int create_tls_listen_endpoints(struct lyd_node *netconf_node, int tls_connections) {
+    assert(netconf_node);
+
+    struct lyd_node *rcl = 0;
+    char xpath[500];
+    char local_ip[30];
+
+    if(framework_environment.ip_v6_enabled) {
+        sprintf(local_ip, "::");
+    }
+    else {
+        sprintf(local_ip, "0.0.0.0");
+    } 
+
+    for(int i=0; i < tls_connections; ++i) {
+        char endpoint_name[100];
+        sprintf(endpoint_name, "mng-tls-%d", i);
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/tls/tcp-server-parameters/local-address", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, local_ip, 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        char local_port[10];
+        sprintf(local_port, "%d", nc_config_netconf_port++);
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/tls/tcp-server-parameters/local-port", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, local_port, 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/tls/tcp-server-parameters/keepalives/idle-time", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, "1", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/tls/tcp-server-parameters/keepalives/max-probes", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, "10", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/tls/tcp-server-parameters/keepalives/probe-interval", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, "5", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/tls/tls-server-parameters/server-identity/keystore-reference/asymmetric-key", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, KS_KEY_NAME, 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/tls/tls-server-parameters/server-identity/keystore-reference/certificate", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, KS_CERT_NAME, 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/tls/tls-server-parameters/client-authentication/required", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, "", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/tls/tls-server-parameters/client-authentication/ca-certs", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, "cacerts", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/tls/tls-server-parameters/client-authentication/client-certs", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, "clientcerts", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/tls/tls-server-parameters/client-authentication/cert-maps/cert-to-name[id='1']/fingerprint", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, "02:E9:38:1F:F6:8B:62:DE:0A:0B:C5:03:81:A8:03:49:A0:00:7F:8B:F3", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/tls/tls-server-parameters/client-authentication/cert-maps/cert-to-name[id='1']/map-type", endpoint_name);
+        rcl = lyd_new_path(netconf_node, session_context, xpath, "ietf-x509-cert-to-name:specified", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+
+        sprintf(xpath, "/ietf-netconf-server:netconf-server/listen/endpoint[name='%s']/tls/tls-server-parameters/client-authentication/cert-maps/cert-to-name[id='1']/name", endpoint_name);
+        rcl = lyd_new_path(netconf_node, 0, xpath, "netconf-tls", 0, LYD_PATH_OPT_NOPARENTRET);
+        if(rcl == 0) {
+            log_error("could not created yang path");
+            return NTS_ERR_FAILED;
+        }
+    }
+
+    return NTS_ERR_OK;
+}
+
+static int configure_endpoints_connections(sr_session_ctx_t *session) {
+    assert(session);
+
+    int rc = NTS_ERR_OK;
+
+    struct lys_module *module = 0;
+    module = (struct lys_module *)ly_ctx_get_module(session_context, "ietf-netconf-server", 0, 0);
+    if(module == 0) {
+        log_error("could not get module %s from context", "ietf-netconf-server");
+        return NTS_ERR_FAILED;
+    }
+
+
+    struct lyd_node *netconf_node = 0;
+    netconf_node = lyd_new_path(NULL, session_context, "/ietf-netconf-server:netconf-server", 0, 0, 0);
+    if(netconf_node == 0) {
+        log_error("could not create a new lyd_node");
+        return NTS_ERR_FAILED;
+    }
+
+    // create the SSH endpoints in ietf-netconf-server
+    int ssh_connections = 0;
+    if(framework_arguments.manager) {
+        ssh_connections = 1;
+    }
+    else {
+        ssh_connections = framework_environment.ssh_connections;
+    }
+
+    if(ssh_connections == 0) {
+        log_error("ssh_connections must be at least 1");
+        return NTS_ERR_FAILED;
+    }
+
+    rc = create_ssh_listen_endpoints(netconf_node, ssh_connections);
+    if(rc != NTS_ERR_OK) {
+        log_error("could not create %d SSH Listen endpoints on the NETCONF Server", ssh_connections);
+        return NTS_ERR_FAILED;
+    }
+
+    // create the TLS endpoints in ietf-netconf-server
+    if(framework_arguments.manager == false) {
+        rc = create_tls_listen_endpoints(netconf_node, framework_environment.tls_connections);
+        if(rc != NTS_ERR_OK) {
+            log_error("could not create %d TLS Listen endpoints on the NETCONF Server", framework_environment.tls_connections);
+            return NTS_ERR_FAILED;
+        }
+    }
+    
+    rc = sr_edit_batch(session, netconf_node, "replace");
+    if(rc != SR_ERR_OK) {
+        log_error("could not edit batch on datastore");
+        return NTS_ERR_FAILED;
+    }
+
+    rc = sr_validate(session, "ietf-netconf-server", 0);
+    if(rc != SR_ERR_OK) {
+        struct ly_err_item *err = ly_err_first(session_context);
+        log_error("sr_validate issues on STARTUP: %s", err->msg);
+        return NTS_ERR_FAILED;
+    }
+
+    rc = sr_apply_changes(session, 0, 0);
+    if(rc != SR_ERR_OK) {
+        log_error("could not apply changes on datastore");
+        return NTS_ERR_FAILED;
+    }
+    
+    return NTS_ERR_OK;
+}