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/******************************************************************************
* Copyright (c) 2000-2019 Ericsson Telecom AB
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html
*
* Contributors:
* Eduard Czimbalmos - initial implementation and initial documentation
* Istvan Ovary
* Peter Dimitrov
* Balasko Jeno
* Gabor Szalai
******************************************************************************/
//
// File: HTTPmsg_PT.cc
// Description: HTTP test port implementation
// Rev: R9B
// Prodnr: CNL 113 469
#include "HTTPmsg_PT.hh"
#include <ctype.h>
#include <arpa/inet.h>
#ifdef AS_USE_SSL
#include <openssl/ssl.h>
#include <openssl/rand.h>
#include <openssl/err.h>
#endif
static bool report_lf=true;
namespace HTTPmsg__PortType {
HTTPmsg__PT::HTTPmsg__PT(const char *par_port_name)
: HTTPmsg__PT_BASE(par_port_name)
{
parameter_set(use_connection_ASPs_name(), "yes");
parameter_set(server_backlog_name(), "1024");
use_notification_ASPs = false;
set_ttcn_buffer_usercontrol(true);
set_handle_half_close(true);
adding_client_connection = false;
adding_ssl_connection = false;
server_use_ssl = false;
#ifdef AS_USE_SSL
set_ssl_use_ssl(true);
#endif
use_send_failed = false;
last_msg = NULL;
}
HTTPmsg__PT::~HTTPmsg__PT()
{
}
void HTTPmsg__PT::set_parameter(const char *parameter_name,
const char *parameter_value)
{
log_debug("entering HTTPmsg__PT::set_parameter(%s, %s)", parameter_name, parameter_value);
if(strcasecmp(parameter_name, use_notification_ASPs_name()) == 0) {
if (strcasecmp(parameter_value,"yes")==0) use_notification_ASPs = true;
else if (strcasecmp(parameter_value,"no")==0) use_notification_ASPs = false;
else log_error("Parameter value '%s' not recognized for parameter '%s'", parameter_value, use_notification_ASPs_name());
} else if(strcasecmp(parameter_name, "report_failed_message") == 0){
if (strcasecmp(parameter_value,"yes")==0) use_send_failed = true;
else if (strcasecmp(parameter_value,"no")==0) use_send_failed = false;
else log_error("Parameter value '%s' not recognized for parameter '%s'", parameter_value, "report_failed_message");
}
else if((strcasecmp(parameter_name, use_connection_ASPs_name()) == 0) || !parameter_set(parameter_name ,parameter_value)) {
log_warning("HTTPmsg__PT::set_parameter(): Unsupported Test Port parameter: %s", parameter_name);
}
log_debug("leaving HTTPmsg__PT::set_parameter(%s, %s)", parameter_name, parameter_value);
}
void HTTPmsg__PT::Handle_Fd_Event(int fd,
boolean is_readable, boolean is_writable, boolean is_error)
{
log_debug("-------------- entering HTTPmsg__PT::Handle_Fd_Event() - event received on a connection");
Handle_Socket_Event(fd, is_readable, is_writable, is_error);
log_debug("leaving HTTPmsg__PT::Handle_Fd_Event()");
}
void HTTPmsg__PT::Handle_Timeout(double time_since_last_call)
{
log_debug("entering HTTPmsg__PT::Handle_Timeout()");
Handle_Timeout_Event(time_since_last_call);
log_debug("leaving HTTPmsg__PT::Handle_Timeout()");
}
void HTTPmsg__PT::user_map(const char *system_port)
{
log_debug("entering HTTPmsg__PT::user_map(%s)",system_port);
if(TTCN_Logger::log_this_event(TTCN_DEBUG)) {
if(!get_socket_debugging())
log_warning("%s: to switch on HTTP test port debugging, set the '*.%s.http_debugging := \"yes\" in the port's parameters.", get_name(), get_name());
}
map_user();
log_debug("leaving HTTPmsg__PT::user_map()");
}
void HTTPmsg__PT::user_unmap(const char *system_port)
{
log_debug("entering HTTPmsg__PT::user_unmap(%s)",system_port);
unmap_user();
log_debug("leaving HTTPmsg__PT::user_unmap()");
}
void HTTPmsg__PT::user_start()
{
}
void HTTPmsg__PT::user_stop()
{
}
void HTTPmsg__PT::outgoing_send(const HTTPmsg__Types::Close& send_par)
{
log_debug("entering HTTPmsg__PT::outgoing_send(Close)");
if(send_par.client__id().ispresent())
remove_client((int)send_par.client__id()());
else
remove_all_clients();
log_debug("leaving HTTPmsg__PT::outgoing_send(Close)");
}
void HTTPmsg__PT::outgoing_send(const HTTPmsg__Types::Connect& send_par)
{
log_debug("entering HTTPmsg__PT::outgoing_send(Connect)");
adding_ssl_connection = send_par.use__ssl();
adding_client_connection = true;
#ifndef AS_USE_SSL
if(adding_ssl_connection)
{
log_error("%s: HTTP test port is not compiled to support SSL connections. Please check the User's Guide for instructions on compiling the HTTP test port with SSL support.", get_name());
}
#endif
int client_id = open_client_connection(send_par.hostname(),int2str((INTEGER)send_par.portnumber()),NULL,NULL);
adding_ssl_connection = false;
adding_client_connection = false;
log_debug("leaving HTTPmsg__PT::outgoing_send(Connect),client_id: %d", client_id);
}
void HTTPmsg__PT::outgoing_send(const HTTPmsg__Types::Listen& send_par)
{
log_debug("entering HTTPmsg__PT::outgoing_send(Listen)");
server_use_ssl = send_par.use__ssl();
if(server_use_ssl)
{
#ifndef AS_USE_SSL
log_error("%s: HTTP test port is not compiled to support SSL connections. Please check the User's Guide for instructions on compiling the HTTP test port with SSL support.", get_name());
#endif
}
if(send_par.local__hostname().ispresent())
{
open_listen_port(send_par.local__hostname()(),int2str((INTEGER)send_par.portnumber()));
}
else
{
log_debug("using IN_ADDR_ANY as local host name");
open_listen_port(NULL,int2str((INTEGER)send_par.portnumber()));
}
log_debug("leaving HTTPmsg__PT::outgoing_send(Listen)");
}
void HTTPmsg__PT::outgoing_send(const HTTPmsg__Types::Half__close& send_par)
{
log_debug("entering HTTPmsg__PT::outgoing_send(Half_close)");
if(send_par.client__id().ispresent())
send_shutdown((int)send_par.client__id()());
else
send_shutdown();
log_debug("leaving HTTPmsg__PT::outgoing_send(Half_close)");
}
void HTTPmsg__PT::outgoing_send(const HTTPmsg__Types::Shutdown& /*send_par*/)
{
log_debug("entering HTTPmsg__PT::outgoing_send(Shutdown)");
close_listen_port();
log_debug("leaving HTTPmsg__PT::outgoing_send(Shutdown)");
}
void HTTPmsg__PT::outgoing_send(const HTTPmsg__Types::HTTPMessage& send_par)
{
log_debug("entering HTTPmsg__PT::outgoing_send(HTTPMessage)");
TTCN_Buffer snd_buf;
int client_id = -1;
last_msg = &send_par;
switch(send_par.get_selection())
{
case HTTPmsg__Types::HTTPMessage::ALT_request:
{
if(send_par.request().client__id().ispresent())
client_id = send_par.request().client__id()();
break;
}
case HTTPmsg__Types::HTTPMessage::ALT_request__binary:
{
if(send_par.request__binary().client__id().ispresent())
client_id = send_par.request__binary().client__id()();
break;
}
case HTTPmsg__Types::HTTPMessage::ALT_response:
{
if(send_par.response().client__id().ispresent())
client_id = send_par.response().client__id()();
break;
}
case HTTPmsg__Types::HTTPMessage::ALT_response__binary:
{
if(send_par.response__binary().client__id().ispresent())
client_id = send_par.response__binary().client__id()();
break;
}
case HTTPmsg__Types::HTTPMessage::ALT_erronous__msg:
{
if(send_par.erronous__msg().client__id().ispresent())
client_id = send_par.erronous__msg().client__id()();
break;
}
default:
TTCN_error("Unknown HTTP_Message type to encode and send!");
}
f_HTTP_encodeCommon(send_par, snd_buf);
if(client_id >= 0)
send_outgoing(snd_buf.get_data(), snd_buf.get_len(), client_id);
else
send_outgoing(snd_buf.get_data(), snd_buf.get_len());
last_msg = NULL;
log_debug("leaving HTTPmsg__PT::outgoing_send(HTTPMessage)");
}
void HTTPmsg__PT::report_unsent(int client_id, int /*msg_length*/, int /*sent_length*/, const unsigned char* /*msg*/, const char* /*error_text*/)
{
if(use_send_failed && last_msg){
HTTPmsg__Types::Send__failed asp;
asp.msg()=*last_msg;
asp.already__half__closed()= (get_peer(client_id,true)->tcp_state) == CLOSE_WAIT ;
incoming_message(asp);
}
}
void HTTPmsg__PT::client_connection_opened(int client_id)
{
log_debug("entering HTTPmsg__PT::client_connection_opened(%d)", client_id);
if(use_notification_ASPs)
{
HTTPmsg__Types::Connect__result asp;
asp.client__id() = client_id;
incoming_message(asp);
}
else if(client_id < 0)
log_error("Cannot connect to server");
log_debug("leaving HTTPmsg__PT::client_connection_opened()");
}
void HTTPmsg__PT::listen_port_opened(int port_number)
{
log_debug("entering HTTPmsg__PT::listen_port_opened(%d)", port_number);
if(use_notification_ASPs)
{
HTTPmsg__Types::Listen__result asp;
asp.portnumber() = port_number;
incoming_message(asp);
}
else if(port_number < 0)
log_error("Cannot listen at port");
log_debug("leaving HTTPmsg__PT::listen_port_opened()");
}
void HTTPmsg__PT::message_incoming(const unsigned char* /*msg*/, int /*messageLength*/, int client_id)
{
log_debug("entering HTTPmsg__PT::message_incoming()");
TTCN_Buffer* buf_p = get_buffer(client_id);
while(buf_p->get_read_len() > 0)
{
log_debug("HTTPmsg__PT::message_incoming(): decoding next message, len: %d", (int)buf_p->get_read_len());
if(!HTTP_decode(buf_p, client_id))
break;
}
log_debug("leaving HTTPmsg__PT::message_incoming()");
}
void HTTPmsg__PT::peer_half_closed(int client_id)
{
log_debug("entering HTTPmsg__PT::peer_half_closed(client_id: %d)", client_id);
TTCN_Buffer* buf_p = get_buffer(client_id);
buf_p->rewind();
while(buf_p->get_read_len() > 0)
{
log_debug("HTTPmsg__PT::remove_client(): decoding next message, len: %d", (int)buf_p->get_read_len());
if(!HTTP_decode(buf_p, client_id,true))
break;
}
HTTPmsg__Types::Half__close asp;
asp.client__id() = client_id;
incoming_message(asp);
log_debug("leaving HTTPmsg__PT::peer_half_closed(client_id: %d)", client_id);
}
void HTTPmsg__PT::peer_disconnected(int client_id)
{
log_debug("entering HTTPmsg__PT::peer_disconnected(client_id: %d)", client_id);
if(use_notification_ASPs)
{
HTTPmsg__Types::Close asp;
asp.client__id() = client_id;
incoming_message(asp);
}
else Abstract_Socket::peer_disconnected(client_id);
log_debug("leaving HTTPmsg__PT::peer_disconnected(client_id: %d)", client_id);
}
//void HTTPmsg__PT::peer_connected(int client_id, sockaddr_in& addr)
void HTTPmsg__PT::peer_connected(int client_id, const char * host, const int port)
{
log_debug("entering HTTPmsg__PT::peer_connected(%d)", client_id);
if(use_notification_ASPs)
{
HTTPmsg__Types::Client__connected asp;
asp.hostname() = host;
asp.portnumber() = port;
asp.client__id() = client_id;
incoming_message(asp);
}
else Abstract_Socket::peer_connected(client_id, host, port);
log_debug("leaving HTTPmsg__PT::peer_connected()");
}
bool HTTPmsg__PT::add_user_data(int client_id)
{
log_debug("entering HTTPmsg__PT::add_user_data(client_id: %d, use_ssl: %s)",
client_id, (adding_client_connection && adding_ssl_connection) || (server_use_ssl && !adding_ssl_connection) ? "yes" : "no");
set_server_mode(!adding_client_connection);
if((adding_client_connection && !adding_ssl_connection) || (!adding_client_connection && !server_use_ssl))
{
log_debug("leaving HTTPmsg__PT::add_user_data() with returning Abstract_Socket::add_user_data()");
return Abstract_Socket::add_user_data(client_id);
}
else
{
#ifdef AS_USE_SSL
log_debug("leaving HTTPmsg__PT::add_user_data() with returning SSL_Socket::add_user_data()");
return SSL_Socket::add_user_data(client_id);
#else
log_error("%s: HTTP test port is not compiled to support SSL connections. Please check the User's Guide for instructions on compiling the HTTP test port with SSL support.", get_name());
#endif
}
// Programming error in HTTPmsg__PT::add_user_data()
return false;
}
bool HTTPmsg__PT::remove_user_data(int client_id)
{
log_debug("entering HTTPmsg__PT::remove_user_data(client_id: %d", client_id);
#ifdef AS_USE_SSL
if(get_user_data(client_id))
{
// INFO: it is assumed that only SSL_Socket assigns user data to each peer
log_debug("leaving HTTPmsg__PT::remove_user_data() with returning SSL_Socket::remove_user_data()");
return SSL_Socket::remove_user_data(client_id);
}
#endif
log_debug("leaving HTTPmsg__PT::remove_user_data() with returning Abstract_Socket::remove_user_data()");
return Abstract_Socket::remove_user_data(client_id);
}
int HTTPmsg__PT::receive_message_on_fd(int client_id)
{
log_debug("entering HTTPmsg__PT::receive_message_on_fd(client_id: %d)", client_id);
#ifdef AS_USE_SSL
if(get_user_data(client_id))
{
// INFO: it is assumed that only SSL_Socket assigns user data to each peer
log_debug("leaving HTTPmsg__PT::receive_message_on_fd() with returning SSL_Socket::receive_message_on_fd()");
return SSL_Socket::receive_message_on_fd(client_id);
}
#endif
log_debug("leaving HTTPmsg__PT::receive_message_on_fd() with returning Abstract_Socket::receive_message_on_fd()");
return Abstract_Socket::receive_message_on_fd(client_id);
}
void HTTPmsg__PT::remove_client(int client_id)
{
log_debug("entering HTTPmsg__PT::remove_client(client_id: %d)", client_id);
TTCN_Buffer* buf_p = get_buffer(client_id);
while(buf_p->get_read_len() > 0)
{
log_debug("HTTPmsg__PT::remove_client(): decoding next message, len: %d", (int)buf_p->get_read_len());
if(!HTTP_decode(buf_p, client_id,true))
break;
}
#ifdef AS_USE_SSL
if(get_user_data(client_id))
{
// INFO: it is assumed that only SSL_Socket assigns user data to each peer
log_debug("leaving HTTPmsg__PT::remove_client() with returning SSL_Socket::remove_client()");
return SSL_Socket::remove_client(client_id);
}
#endif
log_debug("leaving HTTPmsg__PT::remove_client() with returning Abstract_Socket::remove_client()");
return Abstract_Socket::remove_client(client_id);
}
int HTTPmsg__PT::send_message_on_fd(int client_id, const unsigned char * message_buffer, int length_of_message)
{
log_debug("entering HTTPmsg__PT::send_message_on_fd(client_id: %d)", client_id);
#ifdef AS_USE_SSL
if(get_user_data(client_id))
{
// INFO: it is assumed that only SSL_Socket assigns user data to each peer
log_debug("leaving HTTPmsg__PT::send_message_on_fd() with returning SSL_Socket::send_message_on_fd()");
return SSL_Socket::send_message_on_fd(client_id, message_buffer, length_of_message);
}
#endif
log_debug("leaving HTTPmsg__PT::send_message_on_fd() with returning Abstract_Socket::send_message_on_fd()");
return Abstract_Socket::send_message_on_fd(client_id, message_buffer, length_of_message);
}
int HTTPmsg__PT::send_message_on_nonblocking_fd(int client_id, const unsigned char * message_buffer, int length_of_message)
{
log_debug("entering HTTPmsg__PT::(client_id: %d)", client_id);
#ifdef AS_USE_SSL
if(get_user_data(client_id))
{
// INFO: it is assumed that only SSL_Socket assigns user data to each peer
log_debug("leaving HTTPmsg__PT::send_message_on_nonblocking_fd() with returning SSL_Socket::send_message_on_nonblocking_fd()");
return SSL_Socket::send_message_on_nonblocking_fd(client_id, message_buffer, length_of_message);
}
#endif
log_debug("leaving HTTPmsg__PT::send_message_on_nonblocking_fd() with returning Abstract_Socket::send_message_on_nonblocking_fd()");
return Abstract_Socket::send_message_on_nonblocking_fd(client_id, message_buffer, length_of_message);
}
// HTTP specific functions
// replaced by f_HTTP_encodeCommon:
// void HTTPmsg__PT::HTTP_encode(const HTTPmsg__Types::HTTPMessage& msg, TTCN_Buffer& buf)
// {
// f_HTTP_encodeCommon( msg, buf);
// }
//Encodes msg type of "HTTPMessage" into buffer
void f_HTTP_encodeCommon(const HTTPmsg__Types::HTTPMessage& msg, TTCN_Buffer& buf)
{
buf.clear();
if( msg.get_selection() == HTTPmsg__Types::HTTPMessage::ALT_erronous__msg )
buf.put_cs(msg.erronous__msg().msg());
else
{
const HTTPmsg__Types::HeaderLines* header = NULL;
const HTTPmsg__Types::HTTPRequest* request = NULL;
const HTTPmsg__Types::HTTPResponse* response = NULL;
const HTTPmsg__Types::HTTPRequest__binary__body* request_binary = NULL;
const HTTPmsg__Types::HTTPResponse__binary__body* response_binary = NULL;
const CHARSTRING* body = NULL;
const OCTETSTRING* body_binary = NULL;
if(msg.get_selection() == HTTPmsg__Types::HTTPMessage::ALT_request)
{
request = &msg.request();
header = &request->header();
body = &request->body();
buf.put_cs(request->method());
buf.put_c(' ');
buf.put_cs(request->uri());
buf.put_cs(" HTTP/");
buf.put_cs(int2str(request->version__major()));
buf.put_c('.');
buf.put_cs(int2str(request->version__minor()));
buf.put_cs("\r\n");
}
else if(msg.get_selection() == HTTPmsg__Types::HTTPMessage::ALT_response)
{
response = &msg.response();
header = &response->header();
body = &response->body();
buf.put_cs("HTTP/");
buf.put_cs(int2str(response->version__major()));
buf.put_c('.');
buf.put_cs(int2str(response->version__minor()));
buf.put_c(' ');
buf.put_cs(int2str(response->statuscode()));
buf.put_c(' ');
buf.put_cs(response->statustext());
buf.put_cs("\r\n");
}
else if(msg.get_selection() == HTTPmsg__Types::HTTPMessage::ALT_request__binary)
{
request_binary = &msg.request__binary();
header = &request_binary->header();
body_binary = &request_binary->body();
buf.put_cs(request_binary->method());
buf.put_c(' ');
buf.put_cs(request_binary->uri());
buf.put_cs(" HTTP/");
buf.put_cs(int2str(request_binary->version__major()));
buf.put_c('.');
buf.put_cs(int2str(request_binary->version__minor()));
buf.put_cs("\r\n");
}
else if(msg.get_selection() == HTTPmsg__Types::HTTPMessage::ALT_response__binary)
{
response_binary = &msg.response__binary();
header = &response_binary->header();
body_binary = &response_binary->body();
buf.put_cs("HTTP/");
buf.put_cs(int2str(response_binary->version__major()));
buf.put_c('.');
buf.put_cs(int2str(response_binary->version__minor()));
buf.put_c(' ');
buf.put_cs(int2str(response_binary->statuscode()));
buf.put_c(' ');
buf.put_cs(response_binary->statustext());
buf.put_cs("\r\n");
}
for( int i = 0; i < header->size_of(); i++ )
{
buf.put_cs((*header)[i].header__name());
buf.put_cs(": ");
buf.put_cs((*header)[i].header__value());
buf.put_cs("\r\n");
}
buf.put_cs("\r\n");
if(body && body->lengthof() > 0)
{
buf.put_cs(*body);
}
else if(body_binary && body_binary->lengthof() > 0)
{
buf.put_os(*body_binary);
}
}
}
bool HTTPmsg__PT::HTTP_decode(TTCN_Buffer* buffer, const int client_id, const bool connection_closed)
{
//HTTPmsg__Types::HTTPMessage * msg = new HTTPmsg__Types::HTTPMessage();
HTTPmsg__Types::HTTPMessage msg;
if(f_HTTP_decodeCommon(buffer, msg, connection_closed, get_socket_debugging(), test_port_type, test_port_name ))
{
TTCN_Logger::log(TTCN_DEBUG,"HTTPmsg__PT::HTTP_decode, before calling incoming_message");
f_setClientId(msg,client_id);
incoming_message(msg);
TTCN_Logger::log(TTCN_DEBUG,"HTTPmsg__PT::HTTP_decode, after calling incoming_message");
return true;
}
return false;
}
void f_setClientId( HTTPmsg__Types::HTTPMessage& msg, const int client_id)
{
switch(msg.get_selection())
{
case HTTPmsg__Types::HTTPMessage::ALT_request:
{
msg.request().client__id()=client_id;
break;
}
case HTTPmsg__Types::HTTPMessage::ALT_request__binary:
{
msg.request__binary().client__id()=client_id;
break;
}
case HTTPmsg__Types::HTTPMessage::ALT_response:
{
msg.response().client__id()=client_id;
break;
}
case HTTPmsg__Types::HTTPMessage::ALT_response__binary:
{
msg.response__binary().client__id()=client_id;
break;
}
case HTTPmsg__Types::HTTPMessage::ALT_erronous__msg: //is this case redundant code(?)
{
msg.erronous__msg().client__id()=OMIT_VALUE;
break;
}
default:
break;
}//switch
return;
}//f_setClientId
//
// returns with true if the buffer is not empty and it contain valid message
// Postcondition: if buffer contains valid message, msg will contain the first decoded HTTP message, the decoded part will be removed from the buffer
bool f_HTTP_decodeCommon( TTCN_Buffer* buffer, HTTPmsg__Types::HTTPMessage& msg, const bool connection_closed,
const bool socket_debugging, const char *test_port_type, const char *test_port_name)
{
TTCN_Logger::log(TTCN_DEBUG, "starting f_HTTP_decodeCommon ");
if(buffer->get_read_len() <= 0)
return FALSE;
buffer->rewind();
Decoding_Params decoding_params;
decoding_params.non_persistent_connection = FALSE;
decoding_params.chunked_body = FALSE;
decoding_params.content_length = -1;
decoding_params.error = FALSE;
decoding_params.isMessage = TRUE;
if (TTCN_Logger::log_this_event(TTCN_DEBUG))
{
if( test_port_name!= NULL)
TTCN_Logger::log(TTCN_DEBUG, "%s DECODER: <%s>\n", test_port_name,
(const char*)CHARSTRING(buffer->get_read_len(), (const char*)buffer->get_read_data()));
else
TTCN_Logger::log(TTCN_DEBUG, "DECODER: <%s>\n",
(const char*)CHARSTRING(buffer->get_read_len(), (const char*)buffer->get_read_data()));
}
CHARSTRING first;
bool isResponse;
// Decoding the first line
switch(get_line(buffer, first, false))
{
case TRUE: // The first line is available
{
//HTTPmsg__Types::HTTPMessage msg;
HTTPmsg__Types::HeaderLines header = NULL_VALUE;
OCTETSTRING body=OCTETSTRING(0, (const unsigned char*)"");
const char *cc_first = (const char *)first;
//fprintf(stderr, "first: %s\n", cc_first);
int version__major, version__minor, statusCode;
char* method_name;
const char* pos = strchr(cc_first, ' ');
if(pos == NULL)
{
TTCN_Logger::log(TTCN_DEBUG, "could not find space in the first line of response: <%s>", cc_first);
decoding_params.isMessage = FALSE;
decoding_params.error = TRUE;
break;
}
method_name = (char*)Malloc(pos - cc_first + 1);
strncpy(method_name, cc_first, pos - cc_first);
method_name[pos - cc_first] = '\0';
char* stext = (char*)Malloc(strlen(cc_first));
stext[0] = '\0';
TTCN_Logger::log(TTCN_DEBUG, "method_name: <%s>", method_name);
if(strncasecmp(method_name, "HTTP/", 5) == 0)
{
// The first line contains a response like HTTP/1.1 200 OK
isResponse = true;
if(sscanf(cc_first, "HTTP/%d.%d %d %[^\r]", &version__major, &version__minor,
&statusCode, stext) < 3)
{
decoding_params.isMessage = FALSE;
decoding_params.error = TRUE;
Free(method_name);
Free(stext);
break;
}
if (version__minor == 0)
decoding_params.non_persistent_connection = TRUE;
}
else
{
isResponse = false;
// The first line contains a request
// like "POST / HTTP/1.0"
if(sscanf(pos + 1, "%s HTTP/%d.%d",
stext, &version__major, &version__minor ) != 3)
{
decoding_params.isMessage = FALSE;
decoding_params.error = TRUE;
Free(method_name);
Free(stext);
break;
}
}
// Additional header lines
TTCN_Logger::log(TTCN_DEBUG, "Decoding the headers");
HTTP_decode_header(buffer, header, decoding_params, socket_debugging, isResponse, test_port_type, test_port_name);
TTCN_Logger::log(TTCN_DEBUG, "Headers decoded. %s headers.", decoding_params.isMessage ? "Valid" : "Invalid");
if(isResponse && decoding_params.content_length==-1){
if( (statusCode>99 && statusCode <200) || statusCode==204 || statusCode==304 ) decoding_params.content_length=0;
}
if(decoding_params.isMessage)
HTTP_decode_body(buffer, body, decoding_params, connection_closed, socket_debugging, test_port_type, test_port_name);
if(decoding_params.isMessage)
{
TTCN_Logger::log(TTCN_DEBUG, "Message successfully decoded");
bool foundBinaryCharacter = false;
int len = body.lengthof();
const unsigned char* ptr = (const unsigned char*)body;
for(int i = 0; i < len && !foundBinaryCharacter; i++)
{
if(!isascii(ptr[i]))
foundBinaryCharacter = true;
}
if(foundBinaryCharacter)
TTCN_Logger::log(TTCN_DEBUG, "Binary data found");
if(isResponse)
{
if(foundBinaryCharacter)
{
HTTPmsg__Types::HTTPResponse__binary__body& response_binary = msg.response__binary();
response_binary.client__id() = OMIT_VALUE;
response_binary.version__major() = version__major;
response_binary.version__minor() = version__minor;
response_binary.statuscode() = statusCode;
if(strlen(stext) > 0)
response_binary.statustext() = CHARSTRING(stext);
else
response_binary.statustext() = "";
response_binary.header() = header;
response_binary.body() = body;
}
else
{
HTTPmsg__Types::HTTPResponse& response = msg.response();
response.client__id() = OMIT_VALUE;
response.version__major() = version__major;
response.version__minor() = version__minor;
response.statuscode() = statusCode;
if(strlen(stext) > 0)
response.statustext() = CHARSTRING(stext);
else
response.statustext() = "";
response.header() = header;
response.body() = oct2char(body);
}
}
else
{
if(foundBinaryCharacter)
{
HTTPmsg__Types::HTTPRequest__binary__body& request_binary = msg.request__binary();
request_binary.client__id() = OMIT_VALUE;
request_binary.method() = CHARSTRING(method_name);
request_binary.uri() = CHARSTRING(stext);
request_binary.version__major() = version__major;
request_binary.version__minor() = version__minor;
request_binary.header() = header;
request_binary.body() = body;
}
else
{
HTTPmsg__Types::HTTPRequest& request = msg.request();
request.client__id() = OMIT_VALUE;
request.method() = CHARSTRING(method_name);
request.uri() = CHARSTRING(stext);
request.version__major() = version__major;
request.version__minor() = version__minor;
request.header() = header;
request.body() = oct2char(body);
}
}
//incoming_message(msg); <- outer function calls if necessary
}
Free(method_name);
Free(stext);
}
break;
case BUFFER_CRLF:
case BUFFER_FAIL:
decoding_params.error = TRUE;
case FALSE:
decoding_params.isMessage = FALSE;
}
if(decoding_params.error)
{
if(buffer->get_read_len() > 0)
msg.erronous__msg().msg() = CHARSTRING(buffer->get_read_len(), (const char*)buffer->get_read_data());
else
msg.erronous__msg().msg() = "The previous message is erronous.";
msg.erronous__msg().client__id() = OMIT_VALUE;
//incoming_message(msg);
buffer->clear();
decoding_params.isMessage = TRUE;
}
if(decoding_params.isMessage)
{
buffer->cut();
}
return decoding_params.isMessage;
}
void HTTP_decode_header(TTCN_Buffer* buffer, HTTPmsg__Types::HeaderLines& headers, Decoding_Params& decoding_params,
const bool socket_debugging, const bool resp, const char *test_port_type, const char *test_port_name)
{
CHARSTRING cstr;
const char* separator;
char* header_name = NULL;
bool length_received = false;
for(int i = 0; ; i++)
{
switch(get_line(buffer, cstr, true))
{
case TRUE:
{
char h[cstr.lengthof() + 1];
strcpy(h, (const char*)cstr);
separator = strchr(h, ':');
if(separator)
{
header_name = (char*)Realloc(header_name, separator - h + 1);
strncpy(header_name, h, separator - h);
header_name[separator - h] = '\0';
separator++;
while(*separator && isspace(separator[0]))
separator++;
char* end = h + strlen(h);
while(isspace((end - 1)[0]))
{
end--;
*end = '\0';
}
headers[i] = HTTPmsg__Types::HeaderLine(header_name, separator);
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "+Header line: <%s: %s>", header_name, separator);
if(!strcasecmp(header_name, "Content-Length"))
{ sscanf(separator, "%d", &decoding_params.content_length); length_received=true;}
else if(!strcasecmp(header_name, "Connection") && !strcasecmp(separator, "close"))
decoding_params.non_persistent_connection = TRUE;
else if(!strcasecmp(header_name, "Connection") && !strcasecmp(separator, "keep-alive"))
decoding_params.non_persistent_connection = FALSE;
else if(!strcasecmp(header_name, "Transfer-Encoding") && !strcasecmp(separator, "chunked"))
decoding_params.chunked_body = TRUE;
}
continue;
}
case BUFFER_FAIL:
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "BUFFER_FAIL in HTTP_decode_header!");
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "whole bufer now: <%s>", (const char*)buffer->get_data());
log_to_hexa(buffer);
decoding_params.error = TRUE;
case FALSE:
decoding_params.isMessage = FALSE;
case BUFFER_CRLF:
break;
}
break;
}
if(decoding_params.isMessage && !resp && !length_received && !decoding_params.chunked_body) decoding_params.content_length=0;
Free(header_name);
}
void HTTP_decode_body(TTCN_Buffer* buffer, OCTETSTRING& body, Decoding_Params& decoding_params, const bool connection_closed,
const bool socket_debugging, const char *test_port_type, const char *test_port_name)
{
if(buffer->get_read_len() > 0)
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "Decoding body, buffer length: %d", buffer->get_read_len());
if (decoding_params.chunked_body)
{
HTTP_decode_chunked_body(buffer, body, decoding_params, socket_debugging, test_port_type, test_port_name);
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "--------- After chunked body decoding:");
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "--------- non_persistent_connection: %s", decoding_params.non_persistent_connection ? "yes" : "no");
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "--------- chunked_body: %s", decoding_params.chunked_body ? "yes" : "no");
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "--------- content_length: %d", decoding_params.content_length);
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "--------- error: %s", decoding_params.error ? "yes" : "no");
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "--------- isMessage: %s", decoding_params.isMessage ? "yes" : "no");
}
else if(decoding_params.content_length >= 0)
{
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "lengthof body: %d, content_length given: %d", buffer->get_read_len(), decoding_params.content_length);
if(buffer->get_read_len() >= (unsigned)decoding_params.content_length)
{
body = OCTETSTRING(decoding_params.content_length, buffer->get_read_data());
buffer->set_pos(buffer->get_pos() + decoding_params.content_length);
}
else
{
decoding_params.isMessage = FALSE;
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "The decoder's body length %d is less than the Content_length in the message header %d; The HTTP port is waiting for additional data.", buffer->get_read_len(), decoding_params.content_length);
buffer->set_pos(buffer->get_pos() + buffer->get_read_len());
}
}
else if(connection_closed)
{
/* if(buffer->get_read_len() >= 0)*/ // Always true
{
body = OCTETSTRING(buffer->get_read_len(), buffer->get_read_data());
buffer->set_pos(buffer->get_pos() + buffer->get_read_len());
}
} else {
decoding_params.isMessage = FALSE;
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "The HTTP port is waiting for additional data.");
buffer->set_pos(buffer->get_pos() + buffer->get_read_len());
}
}
void HTTP_decode_chunked_body(TTCN_Buffer* buffer, OCTETSTRING& body, Decoding_Params& decoding_params,
const bool socket_debugging, const char *test_port_type, const char *test_port_name)
{
OCTETSTRING chunk;
CHARSTRING line;
unsigned int chunk_size = 1;
while(chunk_size > 0)
{
switch(get_line(buffer, line, false))
{
case TRUE:
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "line: <%s>", (const char*)line);
if(sscanf((const char *)line, "%x", &chunk_size) != 1)
{
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "No chunksize found");
body = body + OCTETSTRING(line.lengthof(), (const unsigned char*)(const char*)line);
chunk_size = 0;
decoding_params.error = TRUE;
}
else
{
if(chunk_size == 0)
{
HTTPmsg__Types::log_debug(socket_debugging, test_port_type, test_port_name, "chunk_size 0 -> closing chunk");