From 4ce48382a3356ebc2cb1bc4da3d7f5b4a63355fe Mon Sep 17 00:00:00 2001
From: Tien-Thinh Nguyen <Tien-Thinh.nguyen@eurecom.fr>
Date: Tue, 21 Apr 2020 15:27:13 +0200
Subject: [PATCH] update SMF client/SMF_n11 to display correctly N1/N2 messages
in wireshark
---
src/smf_app/smf_n11.cpp | 282 ++++++-----
src/test/amf_client/amf-client.cpp | 748 ++++++++++++++++-------------
2 files changed, 582 insertions(+), 448 deletions(-)
diff --git a/src/smf_app/smf_n11.cpp b/src/smf_app/smf_n11.cpp
index 90b7d3ea..ab9004a3 100644
--- a/src/smf_app/smf_n11.cpp
+++ b/src/smf_app/smf_n11.cpp
@@ -44,6 +44,10 @@
#include "smf_config.hpp"
#include "smf_n1_n2.hpp"
+extern "C" {
+#include "dynamic_memory_check.h"
+}
+
using namespace Pistache::Http;
using namespace Pistache::Http::Mime;
@@ -124,152 +128,63 @@ void smf_n11::send_n1n2_message_transfer_request(
std::shared_ptr<itti_n11_create_sm_context_response> sm_context_res) {
//Transfer N1/N2 message via AMF by using N_amf_Communication_N1N2MessageTransfer (see TS29518_Namf_Communication.yaml)
//TODO: use RestSDK for client, use curl to send data for the moment
+
Logger::smf_n11().debug("Send Communication_N1N2MessageTransfer to AMF");
smf_n1_n2 smf_n1_n2_inst = { };
+ std::string n1_message = sm_context_res->res.get_n1_sm_message();
+ std::string json_part = sm_context_res->res.n1n2_message_transfer_data.dump();
+ std::string boundary = "----Boundary";
+ std::string body;
- pdu_session_create_sm_context_response context_res_msg = sm_context_res->res;
- std::string n1_message = context_res_msg.get_n1_sm_message();
-
- /*
- ENABLE THIS TO TEST NAS PDU SESSION ESTABLISHMENT ACCEPT
- Don't forget to disable Http_response in SMF CONTEXT
-
- std::string json_part = context_res_msg.n1n2_message_transfer_data.dump();
- std::string boundary = "----Boundary";
- std::string body;
-
- create_multipart_related_content(body, json_part, boundary, n1_message, multipart_related_content_part_e::NAS);
- sm_context_res->http_response.headers().add<Pistache::Http::Header::ContentType>(Pistache::Http::Mime::MediaType("multipart/related; boundary=" + boundary));
- sm_context_res->http_response.send(Pistache::Http::Code::Ok, body);
- */
-
- /*
- //format string as hex
- unsigned char *msg_hex = smf_app_inst->format_string_as_hex(n1_message);
-
- string CRLF = "\r\n";
- body.append("--" + boundary + CRLF);
- body.append("Content-Type: application/json" + CRLF);
- body.append(CRLF);
- body.append(json_part + CRLF);
-
- body.append("--" + boundary + CRLF);
- //NAS
- body.append("Content-Type: application/vnd.3gpp.5gnas"+ CRLF + "Content-Id: n1SmMsg" + CRLF);
-
- body.append(CRLF);
- body.append(std::string((char *)msg_hex, n1_message.length()/2) + CRLF);
- body.append("--" + boundary + "--" + CRLF);
-
- CURL *curl;
- CURLcode res;
-
-
- curl_global_init(CURL_GLOBAL_ALL);
-
- curl = curl_easy_init();
- if(curl) {
- struct curl_slist *headers = nullptr;
- //headers = curl_slist_append(headers, "charsets: utf-8");
- headers = curl_slist_append(headers, "content-type: multipart/related; boundary=----Boundary");
- curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
- curl_easy_setopt(curl, CURLOPT_URL, context_res_msg.get_amf_url().c_str() );
-
- curl_easy_setopt(curl, CURLOPT_HTTPGET,1);
- curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, AMF_CURL_TIMEOUT_MS);
- //curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:sn11"); //Only for testing in all-in-one scenario
- curl_easy_setopt(curl, CURLOPT_POSTFIELDS, body.c_str());
-
- res = curl_easy_perform(curl);
-
- if(res != CURLE_OK)
- fprintf(stderr, "curl_easy_perform() failed: %s\n",
- curl_easy_strerror(res));
-
- curl_easy_cleanup(curl);
- }
- curl_global_cleanup();
+ //add N2 content if available
+ auto n2_sm_found = sm_context_res->res.n1n2_message_transfer_data.count(
+ "n2InfoContainer");
+ if (n2_sm_found > 0) {
+ std::string n2_message = sm_context_res->res.get_n2_sm_information();
+ //prepare the body content for Curl
+ create_multipart_related_content(body, json_part, boundary, n1_message,
+ n2_message);
+ } else {
+ //prepare the body content for Curl
+ create_multipart_related_content(body, json_part, boundary, n1_message,
+ multipart_related_content_part_e::NAS);
+ }
- */
-
- //format string as hex
- unsigned char *n1_msg_hex = smf_app_inst->format_string_as_hex(n1_message);
+ unsigned int str_len = body.length();
+ char *data = (char*) malloc(str_len + 1);
+ memset(data, 0, str_len + 1);
+ memcpy((void*) data, (void*) body.c_str(), str_len);
+ curl_global_init(CURL_GLOBAL_ALL);
CURL *curl = curl_easy_init();
- //N1N2MessageTransfer Notification URI??
- std::string json_part = context_res_msg.n1n2_message_transfer_data.dump();
-
- Logger::smf_n11().debug("Sending message to AMF....");
-
if (curl) {
CURLcode res = { };
struct curl_slist *headers = nullptr;
- struct curl_slist *slist = nullptr;
- curl_mime *mime;
- curl_mime *alt;
- curl_mimepart *part;
-
//headers = curl_slist_append(headers, "charsets: utf-8");
- headers = curl_slist_append(headers, "content-type: multipart/related");
+ headers = curl_slist_append(
+ headers, "content-type: multipart/related; boundary=----Boundary"); //TODO: update Boundary
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
- curl_easy_setopt(curl, CURLOPT_URL, context_res_msg.get_amf_url().c_str());
+ curl_easy_setopt(curl, CURLOPT_URL,
+ sm_context_res->res.get_amf_url().c_str());
curl_easy_setopt(curl, CURLOPT_HTTPGET, 1);
curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, AMF_CURL_TIMEOUT_MS);
curl_easy_setopt(curl, CURLOPT_INTERFACE, smf_cfg.sbi.if_name.c_str());
- mime = curl_mime_init(curl);
- alt = curl_mime_init(curl);
-
- //part with N1N2MessageTransferReqData (JsonData)
- part = curl_mime_addpart(mime);
- curl_mime_data(part, json_part.c_str(), CURL_ZERO_TERMINATED);
- curl_mime_type(part, "application/json");
-
- //N1 SM Container
- Logger::smf_n11().debug(
- "Add N1 SM Container (NAS) into the message: %s (bytes %d)",
- context_res_msg.get_n1_sm_message().c_str(),
- context_res_msg.get_n1_sm_message().length() / 2);
- part = curl_mime_addpart(mime);
- curl_mime_data(part, reinterpret_cast<const char*>(n1_msg_hex),
- context_res_msg.get_n1_sm_message().length() / 2);
- curl_mime_type(part, "application/vnd.3gpp.5gnas");
- curl_mime_name(
- part,
- context_res_msg.n1n2_message_transfer_data["n1MessageContainer"]["n1MessageContent"]["contentId"]
- .dump().c_str());
-
- auto n2_sm_found = context_res_msg.n1n2_message_transfer_data.count(
- "n2InfoContainer");
- if (n2_sm_found > 0) {
- std::string n2_message = context_res_msg.get_n2_sm_information();
- unsigned char *n2_msg_hex = smf_app_inst->format_string_as_hex(
- n2_message);
- Logger::smf_n11().debug(
- "Add N2 SM Information (NGAP) into the message: %s (bytes %d)",
- n2_message.c_str(), n2_message.length() / 2);
- part = curl_mime_addpart(mime);
- curl_mime_data(part, reinterpret_cast<const char*>(n2_msg_hex), 80); //TODO: n2_message.length()/2 ISSUE need to be solved
- curl_mime_type(part, "application/vnd.3gpp.ngap");
- curl_mime_name(
- part,
- context_res_msg.n1n2_message_transfer_data["n2InfoContainer"]["smInfo"]["n2InfoContent"]["ngapData"]["contentId"]
- .dump().c_str());
- }
-
- curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime);
-
// Response information.
long httpCode = { 0 };
std::unique_ptr<std::string> httpData(new std::string());
- // Hook up data handling function.
+ // Hook up data handling function
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, httpData.get());
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, body.length());
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);
+
res = curl_easy_perform(curl);
+
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &httpCode);
//get cause from the response
@@ -291,7 +206,7 @@ void smf_n11::send_n1n2_message_transfer_request(
itti_msg->set_response_code(httpCode);
itti_msg->set_scid(sm_context_res->scid);
itti_msg->set_cause(response_data["cause"]);
- if (context_res_msg.get_cause() == REQUEST_ACCEPTED) {
+ if (sm_context_res->res.get_cause() == REQUEST_ACCEPTED) {
itti_msg->set_msg_type(PDU_SESSION_ESTABLISHMENT_ACCEPT);
} else {
itti_msg->set_msg_type(PDU_SESSION_ESTABLISHMENT_REJECT);
@@ -308,9 +223,130 @@ void smf_n11::send_n1n2_message_transfer_request(
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
- curl_mime_free(mime);
}
+ curl_global_cleanup();
+ free_wrapper((void**) &data);
+
+ /*
+ //Curl MIME
+ //format string as hex
+ unsigned char *n1_msg_hex = smf_app_inst->format_string_as_hex(n1_message);
+
+ CURL *curl = curl_easy_init();
+ //N1N2MessageTransfer Notification URI??
+ std::string json_part = context_res_msg.n1n2_message_transfer_data.dump();
+
+ Logger::smf_n11().debug("Sending message to AMF....");
+
+ if (curl) {
+ CURLcode res = { };
+ struct curl_slist *headers = nullptr;
+ struct curl_slist *slist = nullptr;
+ curl_mime *mime;
+ curl_mime *alt;
+ curl_mimepart *part;
+
+ //headers = curl_slist_append(headers, "charsets: utf-8");
+ headers = curl_slist_append(headers, "content-type: multipart/related");
+ curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
+ curl_easy_setopt(curl, CURLOPT_URL, context_res_msg.get_amf_url().c_str());
+ curl_easy_setopt(curl, CURLOPT_HTTPGET, 1);
+ curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, AMF_CURL_TIMEOUT_MS);
+ curl_easy_setopt(curl, CURLOPT_INTERFACE, smf_cfg.sbi.if_name.c_str());
+
+ mime = curl_mime_init(curl);
+ alt = curl_mime_init(curl);
+
+ //part with N1N2MessageTransferReqData (JsonData)
+ part = curl_mime_addpart(mime);
+ curl_mime_data(part, json_part.c_str(), CURL_ZERO_TERMINATED);
+ curl_mime_type(part, "application/json");
+
+ //N1 SM Container
+ Logger::smf_n11().debug(
+ "Add N1 SM Container (NAS) into the message: %s (bytes %d)",
+ context_res_msg.get_n1_sm_message().c_str(),
+ context_res_msg.get_n1_sm_message().length() / 2);
+ part = curl_mime_addpart(mime);
+ curl_mime_data(part, reinterpret_cast<const char*>(n1_msg_hex),
+ context_res_msg.get_n1_sm_message().length() / 2);
+ curl_mime_type(part, "application/vnd.3gpp.5gnas");
+ curl_mime_name(
+ part,
+ context_res_msg.n1n2_message_transfer_data["n1MessageContainer"]["n1MessageContent"]["contentId"]
+ .dump().c_str());
+
+ auto n2_sm_found = context_res_msg.n1n2_message_transfer_data.count(
+ "n2InfoContainer");
+ if (n2_sm_found > 0) {
+ std::string n2_message = context_res_msg.get_n2_sm_information();
+ unsigned char *n2_msg_hex = smf_app_inst->format_string_as_hex(
+ n2_message);
+ Logger::smf_n11().debug(
+ "Add N2 SM Information (NGAP) into the message: %s (bytes %d)",
+ n2_message.c_str(), n2_message.length() / 2);
+ part = curl_mime_addpart(mime);
+ curl_mime_data(part, reinterpret_cast<const char*>(n2_msg_hex), 80); //TODO: n2_message.length()/2 ISSUE need to be solved
+ curl_mime_type(part, "application/vnd.3gpp.ngap");
+ curl_mime_name(
+ part,
+ context_res_msg.n1n2_message_transfer_data["n2InfoContainer"]["smInfo"]["n2InfoContent"]["ngapData"]["contentId"]
+ .dump().c_str());
+ }
+
+ curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime);
+
+ // Response information.
+ long httpCode = { 0 };
+ std::unique_ptr<std::string> httpData(new std::string());
+
+ // Hook up data handling function.
+ curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &callback);
+ curl_easy_setopt(curl, CURLOPT_WRITEDATA, httpData.get());
+
+ res = curl_easy_perform(curl);
+ curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &httpCode);
+
+ //get cause from the response
+ json response_data = { };
+ try {
+ response_data = json::parse(*httpData.get());
+ } catch (json::exception &e) {
+ Logger::smf_n11().error("Could not get the cause from the response");
+ //Set the default Cause
+ response_data["cause"] = "504 Gateway Timeout";
+ }
+ Logger::smf_n11().debug("Response from AMF, Http Code: %d, cause %s",
+ httpCode, response_data["cause"].dump().c_str());
+
+ //send response to APP to process
+ itti_n11_n1n2_message_transfer_response_status *itti_msg =
+ new itti_n11_n1n2_message_transfer_response_status(TASK_SMF_N11,
+ TASK_SMF_APP);
+ itti_msg->set_response_code(httpCode);
+ itti_msg->set_scid(sm_context_res->scid);
+ itti_msg->set_cause(response_data["cause"]);
+ if (context_res_msg.get_cause() == REQUEST_ACCEPTED) {
+ itti_msg->set_msg_type(PDU_SESSION_ESTABLISHMENT_ACCEPT);
+ } else {
+ itti_msg->set_msg_type(PDU_SESSION_ESTABLISHMENT_REJECT);
+ }
+ std::shared_ptr<itti_n11_n1n2_message_transfer_response_status> i =
+ std::shared_ptr<itti_n11_n1n2_message_transfer_response_status>(
+ itti_msg);
+ int ret = itti_inst->send_msg(i);
+ if (RETURNok != ret) {
+ Logger::smf_n11().error(
+ "Could not send ITTI message %s to task TASK_SMF_APP",
+ i->get_msg_name());
+ }
+
+ curl_slist_free_all(headers);
+ curl_easy_cleanup(curl);
+ curl_mime_free(mime);
+ }
+ */
}
//------------------------------------------------------------------------------
diff --git a/src/test/amf_client/amf-client.cpp b/src/test/amf_client/amf-client.cpp
index 7e1126d8..cb15918d 100644
--- a/src/test/amf_client/amf-client.cpp
+++ b/src/test/amf_client/amf-client.cpp
@@ -1,18 +1,15 @@
-
#include <curl/curl.h>
#include <nlohmann/json.hpp>
#include <iostream>
#include <string>
#include <unistd.h>
+#include <stdexcept>
+
/*
* To read content of the response from UDM
*/
-static std::size_t callback(
- const char* in,
- std::size_t size,
- std::size_t num,
- std::string* out)
-{
+static std::size_t callback(const char *in, std::size_t size, std::size_t num,
+ std::string *out) {
const std::size_t totalBytes(size * num);
out->append(in, totalBytes);
return totalBytes;
@@ -22,35 +19,177 @@ static std::size_t callback(
*(uint8_t*)(buffer) = value; \
size += sizeof(uint8_t)
-void send_pdu_session_establishment_request(std::string smf_ip_address)
-{
- std::cout << "[AMF N11] PDU Session Establishment Request (SM Context Create)"<<std::endl;
+static const char hex_to_ascii_table[16] = { '0', '1', '2', '3', '4', '5', '6',
+ '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', };
+
+static const signed char ascii_to_hex_table[0x100] = { -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1, -1,
+ 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 10, 11, 12, 13, 14, 15,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1 };
+
+int ascii_to_hex(uint8_t *dst, const char *h) {
+ const unsigned char *hex = (const unsigned char*) h;
+ unsigned i = 0;
+
+ for (;;) {
+ int high, low;
+
+ while (*hex && isspace(*hex))
+ hex++;
+
+ if (!*hex)
+ return 1;
+
+ high = ascii_to_hex_table[*hex++];
+
+ if (high < 0)
+ return 0;
+
+ while (*hex && isspace(*hex))
+ hex++;
+
+ if (!*hex)
+ return 0;
+
+ low = ascii_to_hex_table[*hex++];
+
+ if (low < 0)
+ return 0;
+
+ dst[i++] = (high << 4) | low;
+ }
+}
+
+enum class multipart_related_content_part_e {
+ JSON = 0,
+ NAS = 1,
+ NGAP = 2
+};
+
+unsigned char* format_string_as_hex(std::string str) {
+ unsigned int str_len = str.length();
+ char *data = (char*) malloc(str_len + 1);
+ memset(data, 0, str_len + 1);
+ memcpy((void*) data, (void*) str.c_str(), str_len);
+
+ unsigned char *data_hex = (uint8_t*) malloc(str_len / 2 + 1);
+ ascii_to_hex(data_hex, (const char*) data);
+
+ std::cout << "[Format string as Hex] Input string" << str.c_str() << "("
+ << str_len << " bytes)" << std::endl;
+ std::cout << "Data (formatted):" << std::endl;
+
+ for (int i = 0; i < str_len / 2; i++)
+ printf(" %02x ", data_hex[i]);
+ printf("\n");
+
+ //free memory
+ free(data);
+
+ return data_hex;
+
+}
+
+//------------------------------------------------------------------------------
+void create_multipart_related_content(std::string &body, std::string &json_part,
+ std::string &boundary,
+ std::string &n1_message,
+ std::string &n2_message) {
+
+ //format string as hex
+ unsigned char *n1_msg_hex = format_string_as_hex(n1_message);
+ unsigned char *n2_msg_hex = format_string_as_hex(n2_message);
+
+ std::string CRLF = "\r\n";
+ body.append("--" + boundary + CRLF);
+ body.append("Content-Type: application/json" + CRLF);
+ body.append(CRLF);
+ body.append(json_part + CRLF);
+
+ body.append("--" + boundary + CRLF);
+ body.append(
+ "Content-Type: application/vnd.3gpp.5gnas" + CRLF + "Content-Id: n1SmMsg"
+ + CRLF);
+ body.append(CRLF);
+ body.append(std::string((char*) n1_msg_hex, n1_message.length() / 2) + CRLF);
+ //body.append(n1_message + CRLF);
+
+ body.append("--" + boundary + CRLF);
+ body.append(
+ "Content-Type: application/vnd.3gpp.ngap" + CRLF + "Content-Id: n2SmMsg"
+ + CRLF);
+ body.append(CRLF);
+ body.append(std::string((char*) n2_msg_hex, n2_message.length() / 2) + CRLF);
+ body.append("--" + boundary + "--" + CRLF);
+}
+
+//------------------------------------------------------------------------------
+void create_multipart_related_content(
+ std::string &body, std::string &json_part, std::string &boundary,
+ std::string &message, multipart_related_content_part_e content_type) {
+
+ //format string as hex
+ //unsigned char *msg_hex = format_string_as_hex(message);
+
+ std::string CRLF = "\r\n";
+ body.append("--" + boundary + CRLF);
+ body.append("Content-Type: application/json" + CRLF);
+ body.append(CRLF);
+ body.append(json_part + CRLF);
+
+ body.append("--" + boundary + CRLF);
+ if (content_type == multipart_related_content_part_e::NAS) { //NAS
+ body.append(
+ "Content-Type: application/vnd.3gpp.5gnas" + CRLF
+ + "Content-Id: n1SmMsg" + CRLF);
+ } else if (content_type == multipart_related_content_part_e::NGAP) { //NGAP
+ body.append(
+ "Content-Type: application/vnd.3gpp.ngap" + CRLF + "Content-Id: n2SmMsg"
+ + CRLF);
+ }
+ body.append(CRLF);
+ //body.append(std::string((char*) msg_hex, message.length() / 2) + CRLF);
+ body.append(message + CRLF);
+ body.append("--" + boundary + "--" + CRLF);
+}
+
+void send_pdu_session_establishment_request(std::string smf_ip_address) {
+ std::cout << "[AMF N11] PDU Session Establishment Request (SM Context Create)"
+ << std::endl;
nlohmann::json pdu_session_establishment_request;
- //encode
- // PDU Session Establishment Request
+ //encode PDU Session Establishment Request
/*
- 0000 2e 01 01 c1 ff ff 91 00 00 00 00 00 00 00 00 00
+ 0000 2e 01 01 c1 ff ff 91 00 00 00 00 00 00 00 00 00
*/
size_t buffer_size = 128;
- char *buffer = (char *)calloc(1,buffer_size);
- int size = 0;
- ENCODE_U8 (buffer, 0x2e , size); //ExtendedProtocolDiscriminator
- ENCODE_U8 (buffer+size, 0x01 , size); //PDUSessionIdentity
- ENCODE_U8 (buffer+size, 0x01 , size); //ProcedureTransactionIdentity
- ENCODE_U8 (buffer+size, 0xc1 , size); //MessageType - PDU_SESSION_ESTABLISHMENT_REQUEST
- ENCODE_U8 (buffer+size, 0xff , size); //Integrity Protection Maximum Data Rate
- ENCODE_U8 (buffer+size, 0xff , size); //Integrity Protection Maximum Data Rate
- ENCODE_U8 (buffer+size, 0x91 , size); //01 PDU Session Type - Ipv4
-
- std::cout << "Buffer: "<<std::endl;
- for(int i=0;i<size;i++)
- {
+ char *buffer = (char*) calloc(1, buffer_size);
+ int size = 0;
+ ENCODE_U8(buffer, 0x2e, size); //ExtendedProtocolDiscriminator
+ ENCODE_U8(buffer + size, 0x01, size); //PDUSessionIdentity
+ ENCODE_U8(buffer + size, 0x01, size); //ProcedureTransactionIdentity
+ ENCODE_U8(buffer + size, 0xc1, size); //MessageType - PDU_SESSION_ESTABLISHMENT_REQUEST
+ ENCODE_U8(buffer + size, 0xff, size); //Integrity Protection Maximum Data Rate
+ ENCODE_U8(buffer + size, 0xff, size); //Integrity Protection Maximum Data Rate
+ ENCODE_U8(buffer + size, 0x91, size); //01 PDU Session Type - Ipv4
+
+ std::cout << "Buffer: " << std::endl;
+ for (int i = 0; i < size; i++) {
printf("%02x ", buffer[i]);
}
- std::cout << "Buffer: "<<std::endl;
+ std::cout << "Buffer: " << std::endl;
- //Fill Json part
std::string url = std::string("http://");
url.append(smf_ip_address);
url.append(std::string("/nsmf-pdusession/v2/sm-contexts"));
@@ -68,499 +207,458 @@ void send_pdu_session_establishment_request(std::string smf_ip_address)
pdu_session_establishment_request["servingNetwork"]["mcc"] = "234";
pdu_session_establishment_request["servingNetwork"]["mnc"] = "067";
pdu_session_establishment_request["anType"] = "3GPP_ACCESS";
- pdu_session_establishment_request["smContextStatusUri"] = "smContextStatusUri";
- pdu_session_establishment_request["n1SmMsg"]["contentId"] = "n1SmMsg"; // NAS
+ pdu_session_establishment_request["smContextStatusUri"] =
+ "smContextStatusUri";
+ pdu_session_establishment_request["n1SmMsg"]["contentId"] = "n1SmMsg"; // NAS
+ std::string body;
+ std::string boundary = "----Boundary";
+ std::string json_part = pdu_session_establishment_request.dump();
+ std::string n1_msg(reinterpret_cast<const char*>(buffer), size);
- CURL *curl = curl_easy_init();
+ create_multipart_related_content(body, json_part, boundary, n1_msg,
+ multipart_related_content_part_e::NAS);
- std::string json_part = pdu_session_establishment_request.dump();
+ unsigned char *data = (unsigned char*) malloc(body.length() + 1);
+ memset(data, 0, body.length() + 1);
+ memcpy((void*) data, (void*) body.c_str(), body.length());
- std::cout<< "Sending message to SMF....\n";
- if(curl) {
- CURLcode res;
- struct curl_slist *headers = nullptr;
- struct curl_slist *slist = nullptr;
- curl_mime *mime;
- curl_mime *alt;
- curl_mimepart *part;
+ curl_global_init(CURL_GLOBAL_ALL);
+ CURL *curl = curl = curl_easy_init();
+ if (curl) {
+ CURLcode res = { };
+ struct curl_slist *headers = nullptr;
//headers = curl_slist_append(headers, "charsets: utf-8");
- headers = curl_slist_append(headers, "content-type: multipart/related");
+ headers = curl_slist_append(
+ headers, "content-type: multipart/related; boundary=----Boundary");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
- curl_easy_setopt(curl, CURLOPT_HTTPGET,1);
+ curl_easy_setopt(curl, CURLOPT_HTTPGET, 1);
curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, 100L);
- //curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded
-
- mime = curl_mime_init(curl);
- alt = curl_mime_init(curl);
-
- //part with N1N2MessageTransferReqData (JsonData)
- part = curl_mime_addpart(mime);
- curl_mime_data(part, json_part.c_str(), CURL_ZERO_TERMINATED);
- curl_mime_type(part, "application/json");
-
- part = curl_mime_addpart(mime);
- //curl_mime_data(part, reinterpret_cast<const char*>(n1_msg_hex), CURL_ZERO_TERMINATED);
- curl_mime_data(part, reinterpret_cast<const char*>(buffer), size);
- curl_mime_type(part, "application/vnd.3gpp.5gnas");
- curl_mime_name (part, "n1SmMsg");
-
- curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime);
+ //curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded
// Response information.
- long httpCode(0);
+ long httpCode = { 0 };
std::unique_ptr<std::string> httpData(new std::string());
- // Hook up data handling function.
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, httpData.get());
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, body.length());
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);
+
res = curl_easy_perform(curl);
+
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &httpCode);
//get cause from the response
nlohmann::json response_data;
- try{
+ try {
response_data = nlohmann::json::parse(*httpData.get());
- } catch (nlohmann::json::exception& e){
- std::cout << "Could not get the cause from the response" <<std::endl;
-
+ } catch (nlohmann::json::exception &e) {
+ std::cout << "Could not get json data from the response" << std::endl;
}
- std::cout << "[AMF N11] PDU session establishment request, response from SMF, Http Code " << httpCode <<std::endl;
+ std::cout
+ << "[AMF N11] PDU session establishment request, response from SMF, Http Code "
+ << httpCode << std::endl;
- curl_slist_free_all(headers);
curl_easy_cleanup(curl);
- curl_mime_free(mime);
}
+ curl_global_cleanup();
+
free(buffer);
}
-
-void send_pdu_session_update_sm_context_establishment(std::string smf_ip_address)
-{
- std::cout << "[AMF N11] PDU Session Establishment Request (SM Context Update)"<<std::endl;
+void send_pdu_session_update_sm_context_establishment(
+ std::string smf_ip_address) {
+ std::cout << "[AMF N11] PDU Session Establishment Request (SM Context Update)"
+ << std::endl;
nlohmann::json pdu_session_update_request;
-
- //encode
- //PDU Session Resource Setup Response Transfer IE
+ //encode PDU Session Resource Setup Response Transfer IE
/*
- 00 03 e0 ac 0a 05 01 00 00 00 01 00 3c
+ 00 03 e0 ac 0a 05 01 00 00 00 01 00 3c
*/
size_t buffer_size = 128;
- char *buffer = (char *)calloc(1,buffer_size);
- int size = 0;
- ENCODE_U8 (buffer, 0x00 , size);
- ENCODE_U8 (buffer+size, 0x03 , size);
- ENCODE_U8 (buffer+size, 0xe0 , size);
- ENCODE_U8 (buffer+size, 0xac , size); //uPTransportLayerInformation IP Addr 172.10.5.1: 172.
- ENCODE_U8 (buffer+size, 0x0a , size); //10
- ENCODE_U8 (buffer+size, 0x05 , size); //.5
- ENCODE_U8 (buffer+size, 0x01 , size); //.1
- ENCODE_U8 (buffer+size, 0x00 , size); //gTP_TEID 00 00 00 01: 00
- ENCODE_U8 (buffer+size, 0x00 , size); //00
- ENCODE_U8 (buffer+size, 0x00 , size); //00
- ENCODE_U8 (buffer+size, 0x01 , size); //01
- ENCODE_U8 (buffer+size, 0x00 , size); //Associated QoS Flow 00 3c
- ENCODE_U8 (buffer+size, 0x3c , size); //QFI: 60
-
- std::cout << "Buffer: "<<std::endl;
- for(int i=0;i<2;i++)
- {
+ char *buffer = (char*) calloc(1, buffer_size);
+ int size = 0;
+ ENCODE_U8(buffer, 0x00, size);
+ ENCODE_U8(buffer + size, 0x03, size);
+ ENCODE_U8(buffer + size, 0xe0, size);
+ ENCODE_U8(buffer + size, 0xac, size); //uPTransportLayerInformation IP Addr 172.10.5.1: 172.
+ ENCODE_U8(buffer + size, 0x0a, size); //10
+ ENCODE_U8(buffer + size, 0x05, size); //.5
+ ENCODE_U8(buffer + size, 0x01, size); //.1
+ ENCODE_U8(buffer + size, 0x00, size); //gTP_TEID 00 00 00 01: 00
+ ENCODE_U8(buffer + size, 0x00, size); //00
+ ENCODE_U8(buffer + size, 0x00, size); //00
+ ENCODE_U8(buffer + size, 0x01, size); //01
+ ENCODE_U8(buffer + size, 0x00, size); //Associated QoS Flow 00 3c
+ ENCODE_U8(buffer + size, 0x3c, size); //QFI: 60
+
+ std::cout << "Buffer: " << std::endl;
+ for (int i = 0; i < size; i++) {
printf("%02x ", buffer[i]);
}
- std::cout << "Buffer: "<<std::endl;
+ std::cout << "Buffer: " << std::endl;
- //Fill Json part
std::string url = std::string("http://");
url.append(smf_ip_address);
url.append(std::string("/nsmf-pdusession/v2/sm-contexts/1/modify"));
//Fill the json part
pdu_session_update_request["n2SmInfoType"] = "PDU_RES_SETUP_RSP";
- pdu_session_update_request["n2SmInfo"]["contentId"] = "n2SmMsg"; //NGAP
+ pdu_session_update_request["n2SmInfo"]["contentId"] = "n2SmMsg"; //NGAP
- CURL *curl = curl_easy_init();
+ //pdu_session_update_request["n2InfoContainer"]["n2InformationClass"] = "SM";
+ //pdu_session_update_request["n2InfoContainer"]["smInfo"]["n2InfoContent"]["ngapData"]["contentId"] = "n2SmMsg";
+ // pdu_session_update_request["n2InfoContainer"]["smInfo"]["n2InfoContent"]["ngapIeType"] =
+ // "PDU_RES_SETUP_RSP"; //NGAP message
+ std::string body;
+ std::string boundary = "----Boundary";
std::string json_part = pdu_session_update_request.dump();
+ std::string n2_msg(reinterpret_cast<const char*>(buffer), size);
- std::cout<< "Sending message to SMF....\n";
- if(curl) {
+ create_multipart_related_content(body, json_part, boundary, n2_msg,
+ multipart_related_content_part_e::NGAP);
- CURLcode res;
- struct curl_slist *headers = nullptr;
- struct curl_slist *slist = nullptr;
- curl_mime *mime;
- curl_mime *alt;
- curl_mimepart *part;
+ unsigned char *data = (unsigned char*) malloc(body.length() + 1);
+ memset(data, 0, body.length() + 1);
+ memcpy((void*) data, (void*) body.c_str(), body.length());
+
+ curl_global_init(CURL_GLOBAL_ALL);
+ CURL *curl = curl = curl_easy_init();
- headers = curl_slist_append(headers, "charsets: utf-8");
- headers = curl_slist_append(headers, "content-type: multipart/related");
+ if (curl) {
+ CURLcode res = { };
+ struct curl_slist *headers = nullptr;
+ //headers = curl_slist_append(headers, "charsets: utf-8");
+ headers = curl_slist_append(
+ headers, "content-type: multipart/related; boundary=----Boundary");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
- curl_easy_setopt(curl, CURLOPT_HTTPGET,1);
+ curl_easy_setopt(curl, CURLOPT_HTTPGET, 1);
curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, 100L);
- //curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded
-
-
- mime = curl_mime_init(curl);
- alt = curl_mime_init(curl);
-
- //part with N1N2MessageTransferReqData (JsonData)
- part = curl_mime_addpart(mime);
- curl_mime_data(part, json_part.c_str(), CURL_ZERO_TERMINATED);
- curl_mime_type(part, "application/json");
-
- part = curl_mime_addpart(mime);
- curl_mime_data(part, reinterpret_cast<const char*>(buffer), size);
-
- curl_mime_type(part, "application/vnd.3gpp.ngap");
- curl_mime_name (part, "n2SmMsg");
-
- curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime);
+ //curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded
// Response information.
- long httpCode(0);
+ long httpCode = { 0 };
std::unique_ptr<std::string> httpData(new std::string());
- // Hook up data handling function.
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, httpData.get());
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, body.length());
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);
+
res = curl_easy_perform(curl);
+
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &httpCode);
//get cause from the response
nlohmann::json response_data;
- try{
+ try {
response_data = nlohmann::json::parse(*httpData.get());
- } catch (nlohmann::json::exception& e){
- std::cout << "Could not get the cause from the response" <<std::endl;
+ } catch (nlohmann::json::exception &e) {
+ std::cout << "Could not get json data from the response" << std::endl;
//Set the default Cause
response_data["cause"] = "504 Gateway Timeout";
+
}
- std::cout << "[AMF N11] PDU Session Establishment Request, response from SMF, Http Code " << httpCode << " cause "<< response_data["cause"].dump().c_str()<<std::endl;
+ std::cout
+ << "[AMF N11] PDU Session Establishment Request, response from SMF, Http Code "
+ << httpCode << " cause " << response_data["cause"].dump().c_str()
+ << std::endl;
- curl_slist_free_all(headers);
curl_easy_cleanup(curl);
- curl_mime_free(mime);
}
+ curl_global_cleanup();
+
free(buffer);
}
+void send_pdu_session_release_request(std::string smf_ip_address) {
-void send_pdu_session_release_request(std::string smf_ip_address)
-{
- std::cout << "[AMF N11] PDU Session Release Request (SM Context Update)"<<std::endl;
+ std::cout << "[AMF N11] PDU Session Release Request (SM Context Update)"
+ << std::endl;
nlohmann::json pdu_session_release_request;
- //encode
+ //encode PDU Session Release Request
/*
- 0000 2e 01 01 d1 00 00 00 00 00 00 00 00 00 00 00 00
+ 0000 2e 01 01 d1 00 00 00 00 00 00 00 00 00 00 00 00
*/
size_t buffer_size = 128;
- char *buffer = (char *)calloc(1,buffer_size);
- int size = 0;
- ENCODE_U8 (buffer, 0x2e , size); //ExtendedProtocolDiscriminator
- ENCODE_U8 (buffer+size, 0x01 , size); //PDUSessionIdentity
- ENCODE_U8 (buffer+size, 0x01 , size); //ProcedureTransactionIdentity
- ENCODE_U8 (buffer+size, 0xd1 , size); //MessageType
- ENCODE_U8 (buffer+size, 0x00 , size); //presence
-
- std::cout << "Buffer: "<<std::endl;
- for(int i=0;i<size;i++)
- {
+ char *buffer = (char*) calloc(1, buffer_size);
+ int size = 0;
+ ENCODE_U8(buffer, 0x2e, size); //ExtendedProtocolDiscriminator
+ ENCODE_U8(buffer + size, 0x01, size); //PDUSessionIdentity
+ ENCODE_U8(buffer + size, 0x01, size); //ProcedureTransactionIdentity
+ ENCODE_U8(buffer + size, 0xd1, size); //MessageType
+ ENCODE_U8(buffer + size, 0x00, size); //presence
+
+ std::cout << "Buffer: " << std::endl;
+ for (int i = 0; i < size; i++) {
printf("%02x ", buffer[i]);
}
- std::cout << "Buffer: "<<std::endl;
+ std::cout << "Buffer: " << std::endl;
- //Fill Json part
std::string url = std::string("http://");
url.append(smf_ip_address);
url.append(std::string("/nsmf-pdusession/v2/sm-contexts/1/modify"));
//Fill the json part
- pdu_session_release_request["cause"] = "INSUFFICIENT_UP_RESOURCES"; //need to be updated
- pdu_session_release_request["n1SmMsg"]["contentId"] = "n1SmMsg"; // NAS
-
- CURL *curl = curl_easy_init();
+ pdu_session_release_request["cause"] = "INSUFFICIENT_UP_RESOURCES"; //need to be updated
+ pdu_session_release_request["n1SmMsg"]["contentId"] = "n1SmMsg"; // NAS
+ std::string body;
+ std::string boundary = "----Boundary";
std::string json_part = pdu_session_release_request.dump();
+ std::string n1_msg(reinterpret_cast<const char*>(buffer), size);
- std::cout<< "Sending message to SMF....\n";
- if(curl) {
- CURLcode res;
- struct curl_slist *headers = nullptr;
- struct curl_slist *slist = nullptr;
- curl_mime *mime;
- curl_mime *alt;
- curl_mimepart *part;
+ create_multipart_related_content(body, json_part, boundary, n1_msg,
+ multipart_related_content_part_e::NAS);
+ unsigned char *data = (unsigned char*) malloc(body.length() + 1);
+ memset(data, 0, body.length() + 1);
+ memcpy((void*) data, (void*) body.c_str(), body.length());
+
+ curl_global_init(CURL_GLOBAL_ALL);
+ CURL *curl = curl = curl_easy_init();
+
+ if (curl) {
+ CURLcode res = { };
+ struct curl_slist *headers = nullptr;
//headers = curl_slist_append(headers, "charsets: utf-8");
- headers = curl_slist_append(headers, "content-type: multipart/related");
+ headers = curl_slist_append(
+ headers, "content-type: multipart/related; boundary=----Boundary");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
- curl_easy_setopt(curl, CURLOPT_HTTPGET,1);
+ curl_easy_setopt(curl, CURLOPT_HTTPGET, 1);
curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, 100L);
- //curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded
-
- mime = curl_mime_init(curl);
- alt = curl_mime_init(curl);
-
- //part with N1N2MessageTransferReqData (JsonData)
- part = curl_mime_addpart(mime);
- curl_mime_data(part, json_part.c_str(), CURL_ZERO_TERMINATED);
- curl_mime_type(part, "application/json");
-
- part = curl_mime_addpart(mime);
- //curl_mime_data(part, reinterpret_cast<const char*>(n1_msg_hex), CURL_ZERO_TERMINATED);
- curl_mime_data(part, reinterpret_cast<const char*>(buffer), size);
- curl_mime_type(part, "application/vnd.3gpp.5gnas");
- //curl_mime_name (part, "n1SmMsg");
-
- curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime);
+ //curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded
// Response information.
- long httpCode(0);
+ long httpCode = { 0 };
std::unique_ptr<std::string> httpData(new std::string());
- // Hook up data handling function.
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, httpData.get());
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, body.length());
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);
+
res = curl_easy_perform(curl);
+
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &httpCode);
//get cause from the response
nlohmann::json response_data;
- try{
+ try {
response_data = nlohmann::json::parse(*httpData.get());
- } catch (nlohmann::json::exception& e){
- std::cout << "Could not get the cause from the response" <<std::endl;
-
+ } catch (nlohmann::json::exception &e) {
+ std::cout << "Could not get json data from the response" << std::endl;
}
- std::cout << "[AMF N11] PDU Session Release Request, response from SMF, Http Code " << httpCode <<std::endl;
+ std::cout
+ << "[AMF N11] PDU Session Release Request, response from SMF, Http Code "
+ << httpCode << std::endl;
- curl_slist_free_all(headers);
curl_easy_cleanup(curl);
- curl_mime_free(mime);
}
+ curl_global_cleanup();
+
free(buffer);
}
-void send_pdu_session_release_resource_release_ack(std::string smf_ip_address)
-{
- std::cout << "[AMF N11] PDU Session Release Ack (Update SM Context): N2 SM - Resource Release Ack"<<std::endl;
+void send_pdu_session_release_resource_release_ack(
+ std::string smf_ip_address) {
+
+ std::cout
+ << "[AMF N11] PDU Session Release Ack (Update SM Context): N2 SM - Resource Release Ack"
+ << std::endl;
nlohmann::json pdu_session_release_ack;
- //encode
+ //encode PDU Session Resource Release Response Transfer IE
size_t buffer_size = 128;
- char *buffer = (char *)calloc(1,buffer_size);
- int size = 0;
- ENCODE_U8 (buffer, 0x00 , size);
-
+ char *buffer = (char*) calloc(1, buffer_size);
+ int size = 0;
+ ENCODE_U8(buffer, 0x00, size);
- std::cout << "Buffer: "<<std::endl;
- for(int i=0;i<size;i++)
- {
+ std::cout << "Buffer: " << std::endl;
+ for (int i = 0; i < size; i++) {
printf("%02x ", buffer[i]);
}
- std::cout << "Buffer: "<<std::endl;
+ std::cout << "Buffer: " << std::endl;
- //Fill Json part
std::string url = std::string("http://");
url.append(smf_ip_address);
url.append(std::string("/nsmf-pdusession/v2/sm-contexts/1/modify"));
- //Fill the json part
-
//Fill the json part
pdu_session_release_ack["n2SmInfoType"] = "PDU_RES_REL_RSP";
- pdu_session_release_ack["n2SmInfo"]["contentId"] = "n2SmMsg"; //NGAP
-
- CURL *curl = curl_easy_init();
+ pdu_session_release_ack["n2SmInfo"]["contentId"] = "n2SmMsg"; //NGAP
+ std::string body;
+ std::string boundary = "----Boundary";
std::string json_part = pdu_session_release_ack.dump();
+ std::string n2_msg(reinterpret_cast<const char*>(buffer), size);
- std::cout<< "Sending message to SMF....\n";
- if(curl) {
- CURLcode res;
- struct curl_slist *headers = nullptr;
- struct curl_slist *slist = nullptr;
- curl_mime *mime;
- curl_mime *alt;
- curl_mimepart *part;
+ create_multipart_related_content(body, json_part, boundary, n2_msg,
+ multipart_related_content_part_e::NGAP);
+
+ unsigned char *data = (unsigned char*) malloc(body.length() + 1);
+ memset(data, 0, body.length() + 1);
+ memcpy((void*) data, (void*) body.c_str(), body.length());
+ curl_global_init(CURL_GLOBAL_ALL);
+ CURL *curl = curl = curl_easy_init();
+
+ if (curl) {
+ CURLcode res = { };
+ struct curl_slist *headers = nullptr;
//headers = curl_slist_append(headers, "charsets: utf-8");
- headers = curl_slist_append(headers, "content-type: multipart/related");
+ headers = curl_slist_append(
+ headers, "content-type: multipart/related; boundary=----Boundary");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
- curl_easy_setopt(curl, CURLOPT_HTTPGET,1);
+ curl_easy_setopt(curl, CURLOPT_HTTPGET, 1);
curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, 100L);
- //curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded
-
- mime = curl_mime_init(curl);
- alt = curl_mime_init(curl);
-
- //part with N1N2MessageTransferReqData (JsonData)
- part = curl_mime_addpart(mime);
- curl_mime_data(part, json_part.c_str(), CURL_ZERO_TERMINATED);
- curl_mime_type(part, "application/json");
-
- part = curl_mime_addpart(mime);
- //curl_mime_data(part, reinterpret_cast<const char*>(n1_msg_hex), CURL_ZERO_TERMINATED);
- curl_mime_data(part, reinterpret_cast<const char*>(buffer), size);
- curl_mime_type(part, "application/vnd.3gpp.ngap");
- curl_mime_name (part, "n2SmMsg");
-
- curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime);
+ //curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded
// Response information.
- long httpCode(0);
+ long httpCode = { 0 };
std::unique_ptr<std::string> httpData(new std::string());
- // Hook up data handling function.
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, httpData.get());
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, body.length());
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);
+
res = curl_easy_perform(curl);
+
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &httpCode);
//get cause from the response
nlohmann::json response_data;
- try{
+ try {
response_data = nlohmann::json::parse(*httpData.get());
- } catch (nlohmann::json::exception& e){
- std::cout << "Could not get the cause from the response" <<std::endl;
+ } catch (nlohmann::json::exception &e) {
+ std::cout << "Could not get json data from the response" << std::endl;
}
- std::cout << "[AMF N11] PDU Session Release Ack, response from SMF, Http Code " << httpCode <<std::endl;
+ std::cout
+ << "[AMF N11] PDU Session Establishment Request, response from SMF, Http Code "
+ << httpCode << std::endl;
- curl_slist_free_all(headers);
curl_easy_cleanup(curl);
- curl_mime_free(mime);
}
+ curl_global_cleanup();
+
free(buffer);
}
+void send_pdu_session_release_complete(std::string smf_ip_address) {
-
-void send_pdu_session_release_complete(std::string smf_ip_address)
-{
- std::cout << "[AMF N11] PDU Session Release Complete (Update SM Context): N1 SM - PDU Session Release Complete"<<std::endl;
+ std::cout
+ << "[AMF N11] PDU Session Release Complete (Update SM Context): N1 SM - PDU Session Release Complete"
+ << std::endl;
nlohmann::json pdu_session_release_complete;
- //encode
+ //encode PDU Session Release Complete
/*
- 0000 2e 01 01 c1 d4 00 00 00 00 00 00 00 00 00 00 00
+ 0000 2e 01 01 c1 d4 00 00 00 00 00 00 00 00 00 00 00
*/
size_t buffer_size = 128;
- char *buffer = (char *)calloc(1,buffer_size);
- int size = 0;
- ENCODE_U8 (buffer, 0x2e , size); //ExtendedProtocolDiscriminator
- ENCODE_U8 (buffer+size, 0x01 , size); //PDUSessionIdentity
- ENCODE_U8 (buffer+size, 0x01 , size); //ProcedureTransactionIdentity
- ENCODE_U8 (buffer+size, 0xd4 , size); //MessageType
- ENCODE_U8 (buffer+size, 0x00 , size); //Cause
- ENCODE_U8 (buffer+size, 0x00 , size); //Extended protocol configuration options
-
-
- std::cout << "Buffer: "<<std::endl;
- for(int i=0;i<size;i++)
- {
+ char *buffer = (char*) calloc(1, buffer_size);
+ int size = 0;
+ ENCODE_U8(buffer, 0x2e, size); //ExtendedProtocolDiscriminator
+ ENCODE_U8(buffer + size, 0x01, size); //PDUSessionIdentity
+ ENCODE_U8(buffer + size, 0x01, size); //ProcedureTransactionIdentity
+ ENCODE_U8(buffer + size, 0xd4, size); //MessageType
+ ENCODE_U8(buffer + size, 0x00, size); //Cause
+ ENCODE_U8(buffer + size, 0x00, size); //Extended protocol configuration options
+
+ std::cout << "Buffer: " << std::endl;
+ for (int i = 0; i < size; i++) {
printf("%02x ", buffer[i]);
}
- std::cout << "Buffer: "<<std::endl;
+ std::cout << "Buffer: " << std::endl;
- //Fill Json part
std::string url = std::string("http://");
url.append(smf_ip_address);
url.append(std::string("/nsmf-pdusession/v2/sm-contexts/1/modify"));
//Fill the json part
- pdu_session_release_complete["cause"] = "INSUFFICIENT_UP_RESOURCES"; //need to be updated
- pdu_session_release_complete["n1SmMsg"]["contentId"] = "n1SmMsg"; // NAS
+ pdu_session_release_complete["cause"] = "INSUFFICIENT_UP_RESOURCES"; //need to be updated
+ pdu_session_release_complete["n1SmMsg"]["contentId"] = "n1SmMsg"; // NAS
- //pdu_session_release_complete["n1MessageContainer"]["n1MessageClass"] = "SM";
- //pdu_session_release_complete["n1MessageContainer"]["n1MessageContent"]["contentId"] = "n1SmMsg";
+ std::string body;
+ std::string boundary = "----Boundary";
+ std::string json_part = pdu_session_release_complete.dump();
+ std::string n1_msg(reinterpret_cast<const char*>(buffer), size);
+ create_multipart_related_content(body, json_part, boundary, n1_msg,
+ multipart_related_content_part_e::NAS);
- CURL *curl = curl_easy_init();
+ unsigned char *data = (unsigned char*) malloc(body.length() + 1);
+ memset(data, 0, body.length() + 1);
+ memcpy((void*) data, (void*) body.c_str(), body.length());
- std::string json_part = pdu_session_release_complete.dump();
+ curl_global_init(CURL_GLOBAL_ALL);
+ CURL *curl = curl = curl_easy_init();
- std::cout<< "Sending message to SMF....\n";
- if(curl) {
- CURLcode res;
+ if (curl) {
+ CURLcode res = { };
struct curl_slist *headers = nullptr;
- struct curl_slist *slist = nullptr;
- curl_mime *mime;
- curl_mime *alt;
- curl_mimepart *part;
-
//headers = curl_slist_append(headers, "charsets: utf-8");
- headers = curl_slist_append(headers, "content-type: multipart/related");
+ headers = curl_slist_append(
+ headers, "content-type: multipart/related; boundary=----Boundary");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
- curl_easy_setopt(curl, CURLOPT_HTTPGET,1);
+ curl_easy_setopt(curl, CURLOPT_HTTPGET, 1);
curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, 100L);
- //curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded
-
- mime = curl_mime_init(curl);
- alt = curl_mime_init(curl);
-
- //part with N1N2MessageTransferReqData (JsonData)
- part = curl_mime_addpart(mime);
- curl_mime_data(part, json_part.c_str(), CURL_ZERO_TERMINATED);
- curl_mime_type(part, "application/json");
-
- part = curl_mime_addpart(mime);
- //curl_mime_data(part, reinterpret_cast<const char*>(n1_msg_hex), CURL_ZERO_TERMINATED);
- curl_mime_data(part, reinterpret_cast<const char*>(buffer), size);
- curl_mime_type(part, "application/vnd.3gpp.5gnas");
- curl_mime_name (part, "n1SmMsg");
-
- curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime);
+ //curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded
// Response information.
- long httpCode(0);
+ long httpCode = { 0 };
std::unique_ptr<std::string> httpData(new std::string());
- // Hook up data handling function.
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, httpData.get());
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, body.length());
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);
+
res = curl_easy_perform(curl);
+
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &httpCode);
//get cause from the response
nlohmann::json response_data;
- try{
+ try {
response_data = nlohmann::json::parse(*httpData.get());
- } catch (nlohmann::json::exception& e){
- std::cout << "Could not get the cause from the response" <<std::endl;
-
+ } catch (nlohmann::json::exception &e) {
+ std::cout << "Could not get json data from the response" << std::endl;
}
- std::cout << "[AMF N11] PDU Session Release Complete, response from SMF, Http Code " << httpCode <<std::endl;
+ std::cout
+ << "[AMF N11] PDU Session Release Complete, response from SMF, Http Code "
+ << httpCode << std::endl;
- curl_slist_free_all(headers);
curl_easy_cleanup(curl);
- curl_mime_free(mime);
}
+ curl_global_cleanup();
+
free(buffer);
}
-
-
-int main(int argc, char* argv[])
-{
+int main(int argc, char *argv[]) {
std::string smf_ip_address;
if ((argc != 1) && (argc != 3)) {
- std::cout << "Error: Usage is " <<std::endl;
- std::cout << " " << argv[0] << " [ -i www.xxx.yy.zz ]" <<std::endl;
+ std::cout << "Error: Usage is " << std::endl;
+ std::cout << " " << argv[0] << " [ -i www.xxx.yy.zz ]" << std::endl;
return -1;
}
@@ -569,15 +667,15 @@ int main(int argc, char* argv[])
} else {
int opt = 0;
while ((opt = getopt(argc, argv, "i:")) != -1) {
- switch(opt) {
- case 'i':
- smf_ip_address.append(optarg);
- break;
- default:
- std::cout << "Error: Usage is " <<std::endl;
- std::cout << " " << argv[0] << " [ -i www.xxx.yy.zz ]" <<std::endl;
- return -1;
- break;
+ switch (opt) {
+ case 'i':
+ smf_ip_address.append(optarg);
+ break;
+ default:
+ std::cout << "Error: Usage is " << std::endl;
+ std::cout << " " << argv[0] << " [ -i www.xxx.yy.zz ]" << std::endl;
+ return -1;
+ break;
}
}
}
--
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