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|
/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2025-present Eclipse ThreadX Contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Component */
/** */
/** HTTP Proxy Protocol */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
#include "nx_ip.h"
#include "nx_ipv6.h"
#include "nx_packet.h"
#include "nx_tcp.h"
#include "nx_http_proxy_client.h"
#ifdef NX_ENABLE_HTTP_PROXY
#define NX_HTTP_CRLF "\r\n"
#define NX_HTTP_CRLF_SIZE 2
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nxe_http_proxy_client_enable PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Wenhui Xie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the HTTP Proxy enable call. */
/* */
/* */
/* INPUT */
/* */
/* ip_ptr Pointer to IP instance */
/* proxy_server_ip IP address of proxy server */
/* proxy_server_port Port of proxy server */
/* username Pointer to username */
/* username_length Length of username */
/* password Pointer to password */
/* password_length Length of password */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _nx_http_proxy_client_enable Actual HTTP Proxy enable call */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nxe_http_proxy_client_enable(NX_IP *ip_ptr, NXD_ADDRESS *proxy_server_ip, UINT proxy_server_port,
UCHAR *username, UINT username_length, UCHAR *password, UINT password_length)
{
UINT status;
/* Check for invalid input pointers. */
if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID) ||
(proxy_server_ip == NX_NULL) || (proxy_server_port == 0) ||
((username == NX_NULL) && (username_length != 0)) ||
((password == NX_NULL) && (password_length != 0)))
{
return(NX_PTR_ERROR);
}
/* Check the length of username and password. */
if ((username_length > NX_HTTP_PROXY_MAX_USERNAME) ||
(password_length > NX_HTTP_PROXY_MAX_PASSWORD))
{
return(NX_SIZE_ERROR);
}
/* Check that the server IP address version is either IPv4 or IPv6. */
if ((proxy_server_ip -> nxd_ip_version != NX_IP_VERSION_V4) &&
(proxy_server_ip -> nxd_ip_version != NX_IP_VERSION_V6))
{
return(NX_IP_ADDRESS_ERROR);
}
#ifndef NX_DISABLE_IPV4
/* Check for a valid server IP address if the server_ip is version IPv4. */
if (proxy_server_ip -> nxd_ip_version == NX_IP_VERSION_V4)
{
if (((proxy_server_ip -> nxd_ip_address.v4 & NX_IP_CLASS_A_MASK) != NX_IP_CLASS_A_TYPE) &&
((proxy_server_ip -> nxd_ip_address.v4 & NX_IP_CLASS_B_MASK) != NX_IP_CLASS_B_TYPE) &&
((proxy_server_ip -> nxd_ip_address.v4 & NX_IP_CLASS_C_MASK) != NX_IP_CLASS_C_TYPE))
{
return(NX_IP_ADDRESS_ERROR);
}
}
#endif /* !NX_DISABLE_IPV4 */
/* Check for an invalid port. */
if (((ULONG)proxy_server_port) > (ULONG)NX_MAX_PORT)
{
return(NX_INVALID_PORT);
}
/* Call actual HTTP proxy enable function. */
status = _nx_http_proxy_client_enable(ip_ptr, proxy_server_ip, proxy_server_port, username,
username_length, password, password_length);
/* Return completion status. */
return(status);
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_http_proxy_client_enable PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Wenhui Xie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enables the HTTP Proxy and sets the information of */
/* the HTTP Proxy server. */
/* */
/* */
/* INPUT */
/* */
/* ip_ptr Pointer to IP instance */
/* proxy_server_ip IP address of proxy server */
/* proxy_server_port Port of proxy server */
/* username Pointer to username */
/* username_length Length of username */
/* password Pointer to password */
/* password_length Length of password */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* COPY_IPV6_ADDRESS Copy IPv6 address */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nx_http_proxy_client_enable(NX_IP *ip_ptr, NXD_ADDRESS *proxy_server_ip, UINT proxy_server_port,
UCHAR *username, UINT username_length, UCHAR *password, UINT password_length)
{
UINT status;
UCHAR string[NX_HTTP_PROXY_MAX_USERNAME + NX_HTTP_PROXY_MAX_PASSWORD + 2];
/* Set the IP address of HTTP proxy. */
ip_ptr -> nx_ip_http_proxy_ip_address.nxd_ip_version = proxy_server_ip -> nxd_ip_version;
#ifndef NX_DISABLE_IPV4
if (proxy_server_ip -> nxd_ip_version == NX_IP_VERSION_V4)
{
/* Copy the IPv4 address */
ip_ptr -> nx_ip_http_proxy_ip_address.nxd_ip_address.v4 = proxy_server_ip -> nxd_ip_address.v4;
}
#endif /* !NX_DISABLE_IPV4 */
#ifdef FEATURE_NX_IPV6
if (proxy_server_ip -> nxd_ip_version == NX_IP_VERSION_V6)
{
/* Copy the IPv6 address */
COPY_IPV6_ADDRESS(proxy_server_ip -> nxd_ip_address.v6,
ip_ptr -> nx_ip_http_proxy_ip_address.nxd_ip_address.v6);
}
#endif /* FEATURE_NX_IPV6 */
/* Set the port of HTTP proxy. */
ip_ptr -> nx_ip_http_proxy_port = (USHORT)proxy_server_port;
/* Determine if basic authentication is required. */
if ((username_length) && (password_length))
{
/* Encode the "name:password" into authentication buffer. */
/* Place the name and password in a single string. */
/* Copy the name into the merged string. */
memcpy(string, username, username_length); /* Use case of memcpy is verified. */
/* Insert the colon. */
string[username_length] = ':';
/* Copy the password into the merged string. */
memcpy(&string[username_length + 1], password, password_length); /* Use case of memcpy is verified. */
/* Make combined string NULL terminated. */
string[username_length + password_length + 1] = NX_NULL;
/* Now encode the username:password string. */
status = _nx_utility_base64_encode((UCHAR *)string, username_length + password_length + 1,
(UCHAR *)ip_ptr -> nx_ip_http_proxy_authentication,
sizeof(ip_ptr -> nx_ip_http_proxy_authentication),
&(ip_ptr -> nx_ip_http_proxy_authentication_length));
/* Check status. */
if (status)
{
return(status);
}
}
else
{
ip_ptr -> nx_ip_http_proxy_authentication_length = 0;
}
/* Set HTTP proxy as enabled. */
ip_ptr -> nx_ip_http_proxy_enable = NX_TRUE;
return(NX_SUCCESS);
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_http_proxy_client_initialize PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Wenhui Xie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function initializes the state of HTTP Proxy and stores the */
/* the information of remote server. */
/* */
/* */
/* INPUT */
/* */
/* socket_ptr Pointer to TCP client socket */
/* server_ip IP address of remote server */
/* server_port Port of remote server */
/* */
/* OUTPUT */
/* */
/* NONE */
/* */
/* CALLS */
/* */
/* COPY_IPV6_ADDRESS Copy IPv6 address */
/* */
/* CALLED BY */
/* */
/* _nxd_tcp_client_socket_connect Connect TCP client socket */
/* */
/**************************************************************************/
VOID _nx_http_proxy_client_initialize(NX_TCP_SOCKET *socket_ptr, NXD_ADDRESS **server_ip, UINT *server_port)
{
NX_IP *ip_ptr = socket_ptr -> nx_tcp_socket_ip_ptr;
/* Store the server's IP and port for sending CONNECT request later. */
socket_ptr -> nx_tcp_socket_original_server_ip.nxd_ip_version = (*server_ip) -> nxd_ip_version;
#ifndef NX_DISABLE_IPV4
if ((*server_ip) -> nxd_ip_version == NX_IP_VERSION_V4)
{
/* Copy the IPv4 address */
socket_ptr -> nx_tcp_socket_original_server_ip.nxd_ip_address.v4 = (*server_ip) -> nxd_ip_address.v4;
}
#endif /* !NX_DISABLE_IPV4 */
#ifdef FEATURE_NX_IPV6
if ((*server_ip) -> nxd_ip_version == NX_IP_VERSION_V6)
{
/* Copy the IPv6 address */
COPY_IPV6_ADDRESS((*server_ip) -> nxd_ip_address.v6,
socket_ptr -> nx_tcp_socket_original_server_ip.nxd_ip_address.v6);
}
#endif /* FEATURE_NX_IPV6 */
socket_ptr -> nx_tcp_socket_original_server_port = *server_port;
/* Replace the peer info with HTTP proxy's IP and port. */
*server_ip = &(ip_ptr -> nx_ip_http_proxy_ip_address);
*server_port = ip_ptr -> nx_ip_http_proxy_port;
/* Initialize the state. */
socket_ptr -> nx_tcp_socket_http_proxy_state = NX_HTTP_PROXY_STATE_INIT;
socket_ptr -> nx_tcp_socket_http_proxy_header_packet = NX_NULL;
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_http_proxy_client_connect PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Wenhui Xie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function sends HTTP request to connect with HTTP Proxy server. */
/* */
/* */
/* INPUT */
/* */
/* socket_ptr Pointer to TCP client socket */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _nx_tcp_socket_disconnect Disconnect TCP socket */
/* _nx_utility_uint_to_string Convert integer to string */
/* _nx_utility_base64_encode Base64 encode */
/* _nx_packet_allocate Allocate packet */
/* _nx_packet_data_append Append packet data */
/* _nx_packet_release Release packet */
/* */
/* CALLED BY */
/* */
/* _nx_tcp_socket_state_syn_received Process SYN RECEIVED state */
/* _nx_tcp_socket_state_syn_sent Process SYN SENT state */
/* */
/**************************************************************************/
UINT _nx_http_proxy_client_connect(NX_TCP_SOCKET *socket_ptr)
{
UINT status;
NX_PACKET *packet_ptr;
NX_IP *ip_ptr = socket_ptr -> nx_tcp_socket_ip_ptr;
NX_PACKET_POOL *pool_ptr = ip_ptr -> nx_ip_default_packet_pool;
CHAR *ip_string_ptr;
UINT ip_string_len = 0;
CHAR *port_string_ptr;
UINT port_string_len = 0;
UINT temp_length = 0;
NXD_ADDRESS *server_ip = &(socket_ptr -> nx_tcp_socket_original_server_ip);
UINT port = socket_ptr -> nx_tcp_socket_original_server_port;
/* Check the IP version of the server. */
if (server_ip -> nxd_ip_version != NX_IP_VERSION_V4)
{
/* Only IPv4 is supported. */
_nx_tcp_socket_disconnect(socket_ptr, NX_NO_WAIT);
return(NX_NOT_SUPPORTED);
}
/* Allocate packet. */
if (socket_ptr -> nx_tcp_socket_connect_ip.nxd_ip_version == NX_IP_VERSION_V4)
{
status = _nx_packet_allocate(pool_ptr, &packet_ptr, NX_IPv4_TCP_PACKET, NX_NO_WAIT);
}
else
{
status = _nx_packet_allocate(pool_ptr, &packet_ptr, NX_IPv6_TCP_PACKET, NX_NO_WAIT);
}
/* Check status. */
if (status)
{
_nx_tcp_socket_disconnect(socket_ptr, NX_NO_WAIT);
return(status);
}
/* Convert IP address and port to string. */
/* Use the buffer before prepend pointer to store the IP and port string. */
ip_string_ptr = (CHAR *)packet_ptr -> nx_packet_data_start;
temp_length = (UINT)(packet_ptr -> nx_packet_prepend_ptr - packet_ptr -> nx_packet_data_start);
/* Convert IP address to string. */
ip_string_len = _nx_utility_uint_to_string((UCHAR)(server_ip -> nxd_ip_address.v4 >> 24), 10, ip_string_ptr, temp_length);
ip_string_ptr[ip_string_len++] = '.';
ip_string_len += _nx_utility_uint_to_string((UCHAR)(server_ip -> nxd_ip_address.v4 >> 16), 10, ip_string_ptr + ip_string_len, temp_length - ip_string_len);
ip_string_ptr[ip_string_len++] = '.';
ip_string_len += _nx_utility_uint_to_string((UCHAR)(server_ip -> nxd_ip_address.v4 >> 8), 10, ip_string_ptr + ip_string_len, temp_length - ip_string_len);
ip_string_ptr[ip_string_len++] = '.';
ip_string_len += _nx_utility_uint_to_string((UCHAR)(server_ip -> nxd_ip_address.v4), 10, ip_string_ptr + ip_string_len, temp_length - ip_string_len);
/* Convert port to string. */
port_string_ptr = ip_string_ptr + ip_string_len;
port_string_len = _nx_utility_uint_to_string(port, 10, ip_string_ptr + ip_string_len, temp_length - ip_string_len);
/* HTTP proxy opening handshake message format:
CONNECT IP address:port HTTP/1.1
Host: IP address
*/
/* Build the CONNECT request: CONNECT + Request URI(IP address:port) + HTTP version. */
status = _nx_packet_data_append(packet_ptr, "CONNECT ", sizeof("CONNECT ") - 1, pool_ptr, NX_NO_WAIT);
status += _nx_packet_data_append(packet_ptr, ip_string_ptr, ip_string_len, pool_ptr, NX_NO_WAIT);
status += _nx_packet_data_append(packet_ptr, ":", sizeof(":") - 1, pool_ptr, NX_NO_WAIT);
status += _nx_packet_data_append(packet_ptr, port_string_ptr, port_string_len, pool_ptr, NX_NO_WAIT);
status += _nx_packet_data_append(packet_ptr, " HTTP/1.1", sizeof(" HTTP/1.1") - 1, pool_ptr, NX_NO_WAIT);
status += _nx_packet_data_append(packet_ptr, NX_HTTP_CRLF, NX_HTTP_CRLF_SIZE, pool_ptr, NX_NO_WAIT);
/* Place the Host in the header. */
status += _nx_packet_data_append(packet_ptr, "Host: ", sizeof("Host: ") - 1, pool_ptr, NX_NO_WAIT);
status += _nx_packet_data_append(packet_ptr, ip_string_ptr, ip_string_len, pool_ptr, NX_NO_WAIT);
status += _nx_packet_data_append(packet_ptr, NX_HTTP_CRLF, NX_HTTP_CRLF_SIZE, pool_ptr, NX_NO_WAIT);
/* Check status. */
if (status)
{
_nx_packet_release(packet_ptr);
_nx_tcp_socket_disconnect(socket_ptr, NX_NO_WAIT);
return(NX_NOT_SUCCESSFUL);
}
/* Determine if basic authentication is required. */
if (ip_ptr -> nx_ip_http_proxy_authentication_length)
{
/* Yes, attempt to build basic authentication. */
status = _nx_packet_data_append(packet_ptr, "Proxy-authorization: Basic ", 27, pool_ptr, NX_NO_WAIT);
/* Check status. */
if (status)
{
_nx_packet_release(packet_ptr);
_nx_tcp_socket_disconnect(socket_ptr, NX_NO_WAIT);
return(status);
}
/* Append authentication string. */
status = _nx_packet_data_append(packet_ptr, ip_ptr -> nx_ip_http_proxy_authentication,
ip_ptr -> nx_ip_http_proxy_authentication_length, pool_ptr, NX_NO_WAIT);
status += _nx_packet_data_append(packet_ptr, NX_HTTP_CRLF, NX_HTTP_CRLF_SIZE, pool_ptr, NX_NO_WAIT);
/* Check status. */
if (status)
{
_nx_packet_release(packet_ptr);
_nx_tcp_socket_disconnect(socket_ptr, NX_NO_WAIT);
return(NX_NOT_SUCCESSFUL);
}
}
/* Append CRLF. */
status = _nx_packet_data_append(packet_ptr, NX_HTTP_CRLF, NX_HTTP_CRLF_SIZE, pool_ptr, NX_NO_WAIT);
/* Check status. */
if (status)
{
_nx_packet_release(packet_ptr);
_nx_tcp_socket_disconnect(socket_ptr, NX_NO_WAIT);
return(status);
}
/* Send out the packet. */
status = _nx_tcp_socket_send(socket_ptr, packet_ptr, NX_NO_WAIT);
/* Check status. */
if (status)
{
_nx_packet_release(packet_ptr);
_nx_tcp_socket_disconnect(socket_ptr, NX_NO_WAIT);
return(status);
}
/* Update HTTP Proxy state. */
socket_ptr -> nx_tcp_socket_http_proxy_state = NX_HTTP_PROXY_STATE_CONNECTING;
/* Return successful completion. */
return(NX_SUCCESS);
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_http_proxy_client_connect_response_process PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Wenhui Xie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function processes the CONNECT response from HTTP Proxy server.*/
/* */
/* */
/* INPUT */
/* */
/* socket_ptr Pointer to TCP client socket */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _nx_tcp_socket_receive Receive TCP socket */
/* _nx_tcp_socket_disconnect Disconnect TCP socket */
/* _nx_tcp_socket_thread_resume Resume the suspended thread */
/* _nx_packet_data_append Append packet data */
/* _nx_packet_release Release packet */
/* */
/* CALLED BY */
/* */
/* _nx_tcp_socket_packet_process Process socket packet */
/* */
/**************************************************************************/
UINT _nx_http_proxy_client_connect_response_process(NX_TCP_SOCKET *socket_ptr)
{
NX_PACKET *head_packet_ptr = socket_ptr -> nx_tcp_socket_http_proxy_header_packet;
NX_PACKET *new_packet_ptr;
CHAR *buffer_ptr;
UINT status = NX_SUCCESS;
NX_PACKET *work_ptr;
UINT crlf_found = 0;
NX_PACKET *tmp_ptr;
NX_IP *ip_ptr = socket_ptr -> nx_tcp_socket_ip_ptr;
NX_PACKET_POOL *pool_ptr = ip_ptr -> nx_ip_default_packet_pool;
if (head_packet_ptr == NX_NULL)
{
/* Wait for a response from HTTP proxy. */
status = _nx_tcp_socket_receive(socket_ptr, &head_packet_ptr, NX_NO_WAIT);
/* Check the return status. */
if (status == NX_NO_PACKET)
{
return(NX_IN_PROGRESS);
}
else if (status != NX_SUCCESS)
{
/* Return an error condition. */
_nx_tcp_socket_disconnect(socket_ptr, NX_NO_WAIT);
return(status);
}
socket_ptr -> nx_tcp_socket_http_proxy_header_packet = head_packet_ptr;
}
crlf_found = 0;
work_ptr = head_packet_ptr;
/* Build a pointer to the buffer area. */
buffer_ptr = (CHAR *) work_ptr -> nx_packet_prepend_ptr;
do
{
/* See if there is a blank line present in the buffer. */
/* Search the buffer for a cr/lf pair. */
while ((buffer_ptr < (CHAR *) work_ptr -> nx_packet_append_ptr) &&
(crlf_found < 4))
{
if (!(crlf_found & 1) && (*buffer_ptr == (CHAR)13))
{
/* Found CR. */
crlf_found++;
}
else if((crlf_found & 1) && (*buffer_ptr == (CHAR)10))
{
/* Found LF. */
crlf_found++;
}
else
{
/* Reset the CRLF marker. */
crlf_found = 0;
}
/* Move the buffer pointer up. */
buffer_ptr++;
}
if (crlf_found == 4)
{
/* Yes, we have found the end of the HTTP response header. */
break;
}
/* Determine if the packet has already overflowed into another packet. */
#ifndef NX_DISABLE_PACKET_CHAIN
if (work_ptr -> nx_packet_next != NX_NULL)
{
/* Get the next packet in the chain. */
work_ptr = work_ptr -> nx_packet_next;
buffer_ptr = (CHAR *) work_ptr -> nx_packet_prepend_ptr;
}
else
#endif
{
/* Receive another packet from the HTTP proxy. */
status = _nx_tcp_socket_receive(socket_ptr, &new_packet_ptr, NX_NO_WAIT);
/* Check the return status. */
if (status == NX_NO_PACKET)
{
return(NX_IN_PROGRESS);
}
else if (status != NX_SUCCESS)
{
break;
}
/* Successfully received another packet. Its contents now need to be placed in the head packet. */
tmp_ptr = new_packet_ptr;
#ifndef NX_DISABLE_PACKET_CHAIN
while (tmp_ptr)
#endif /* NX_DISABLE_PACKET_CHAIN */
{
/* Copy the contents of the current packet into the head packet. */
status = _nx_packet_data_append(head_packet_ptr, (VOID *) tmp_ptr -> nx_packet_prepend_ptr,
(ULONG)(tmp_ptr -> nx_packet_append_ptr - tmp_ptr -> nx_packet_prepend_ptr),
pool_ptr, NX_NO_WAIT);
#ifndef NX_DISABLE_PACKET_CHAIN
/* Determine if an error occurred. */
if (status != NX_SUCCESS)
{
break;
}
else
{
tmp_ptr = tmp_ptr -> nx_packet_next;
}
#endif /* NX_DISABLE_PACKET_CHAIN */
}
/* Release the new packet. */
_nx_packet_release(new_packet_ptr);
}
} while (status == NX_SUCCESS);
if (status)
{
/* Return an error condition. */
_nx_tcp_socket_disconnect(socket_ptr, NX_NO_WAIT);
return(status);
}
/* Check the packet length and response code. */
if ((head_packet_ptr -> nx_packet_append_ptr - head_packet_ptr -> nx_packet_prepend_ptr < 12) ||
(*(head_packet_ptr -> nx_packet_prepend_ptr + 9) != '2'))
{
/* If error occurs, disconnect the TCP connection. */
_nx_tcp_socket_disconnect(socket_ptr, NX_NO_WAIT);
return(NX_NOT_SUCCESSFUL);
}
/* Update the HTTP Proxy state. */
socket_ptr -> nx_tcp_socket_http_proxy_state = NX_HTTP_PROXY_STATE_CONNECTED;
/* Release the packet. */
_nx_packet_release(head_packet_ptr);
socket_ptr -> nx_tcp_socket_http_proxy_header_packet = NX_NULL;
#ifndef NX_DISABLE_EXTENDED_NOTIFY_SUPPORT
/* Is a connection completion callback registered with the TCP socket? */
if (socket_ptr -> nx_tcp_establish_notify)
{
/* Call the application's establish callback function. */
(socket_ptr -> nx_tcp_establish_notify)(socket_ptr);
}
#endif /* NX_DISABLE_EXTENDED_NOTIFY_SUPPORT */
/* Determine if we need to wake a thread suspended on the connection. */
if (socket_ptr -> nx_tcp_socket_connect_suspended_thread)
{
/* Resume the suspended thread. */
_nx_tcp_socket_thread_resume(&(socket_ptr -> nx_tcp_socket_connect_suspended_thread), NX_SUCCESS);
}
/* Return status. */
return(NX_SUCCESS);
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_http_proxy_client_cleanup PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Wenhui Xie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function cleans up the HTTP Proxy by resetting the state and */
/* release the processing packet. */
/* */
/* */
/* INPUT */
/* */
/* socket_ptr Pointer to TCP client socket */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _nx_packet_release Release packet */
/* */
/* CALLED BY */
/* */
/* _nx_tcp_socket_block_cleanup Clean up the socket block */
/* */
/**************************************************************************/
VOID _nx_http_proxy_client_cleanup(NX_TCP_SOCKET *socket_ptr)
{
/* Clear the HTTP Proxy connection state. */
socket_ptr -> nx_tcp_socket_http_proxy_state = NX_HTTP_PROXY_STATE_INIT;
/* Release HTTP Proxy header packet. */
if (socket_ptr -> nx_tcp_socket_http_proxy_header_packet)
{
_nx_packet_release(socket_ptr -> nx_tcp_socket_http_proxy_header_packet);
socket_ptr -> nx_tcp_socket_http_proxy_header_packet = NX_NULL;
}
}
#endif /* NX_ENABLE_HTTP_PROXY */
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