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Sweden-Number/dlls/wininet/http.c

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/*
* Wininet - Http Implementation
*
* Copyright 1999 Corel Corporation
*
* Ulrich Czekalla
*
*/
#include "config.h"
#include "windef.h"
#include "winbase.h"
#include "wininet.h"
#include "debugtools.h"
#include "winerror.h"
#include "winsock.h"
#include "shlwapi.h"
#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#ifdef HAVE_NETDB_H
# include <netdb.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <time.h>
#include "internet.h"
DEFAULT_DEBUG_CHANNEL(wininet);
#define HTTPHEADER " HTTP/1.0"
#define HTTPHOSTHEADER "\r\nHost: "
#define MAXHOSTNAME 100
#define MAX_FIELD_VALUE_LEN 256
#define MAX_FIELD_LEN 256
#define HTTP_REFERER "Referer"
#define HTTP_ACCEPT "Accept"
#define HTTP_ADDHDR_FLAG_ADD 0x20000000
#define HTTP_ADDHDR_FLAG_ADD_IF_NEW 0x10000000
#define HTTP_ADDHDR_FLAG_COALESCE 0x40000000
#define HTTP_ADDHDR_FLAG_COALESCE_WITH_COMMA 0x40000000
#define HTTP_ADDHDR_FLAG_COALESCE_WITH_SEMICOLON 0x01000000
#define HTTP_ADDHDR_FLAG_REPLACE 0x80000000
#define HTTP_ADDHDR_FLAG_REQ 0x02000000
BOOL HTTP_OpenConnection(LPWININETHTTPREQA lpwhr);
int HTTP_WriteDataToStream(LPWININETHTTPREQA lpwhr,
void *Buffer, int BytesToWrite);
int HTTP_ReadDataFromStream(LPWININETHTTPREQA lpwhr,
void *Buffer, int BytesToRead);
BOOL HTTP_GetResponseHeaders(LPWININETHTTPREQA lpwhr);
BOOL HTTP_ProcessHeader(LPWININETHTTPREQA lpwhr, LPCSTR field, LPCSTR value, DWORD dwModifier);
void HTTP_CloseConnection(LPWININETHTTPREQA lpwhr);
BOOL HTTP_InterpretHttpHeader(LPSTR buffer, LPSTR field, INT fieldlen, LPSTR value, INT valuelen);
INT HTTP_GetStdHeaderIndex(LPCSTR lpszField);
INT HTTP_InsertCustomHeader(LPWININETHTTPREQA lpwhr, LPHTTPHEADERA lpHdr);
INT HTTP_GetCustomHeaderIndex(LPWININETHTTPREQA lpwhr, LPCSTR lpszField);
inline static LPSTR HTTP_strdup( LPCSTR str )
{
LPSTR ret = HeapAlloc( GetProcessHeap(), 0, strlen(str) + 1 );
if (ret) strcpy( ret, str );
return ret;
}
/***********************************************************************
* HttpAddRequestHeadersA (WININET.68)
*
* Adds one or more HTTP header to the request handler
*
* RETURNS
* TRUE on success
* FALSE on failure
*
*/
INTERNETAPI BOOL WINAPI HttpAddRequestHeadersA(HINTERNET hHttpRequest,
LPCSTR lpszHeader, DWORD dwHeaderLength, DWORD dwModifier)
{
LPSTR lpszStart;
LPSTR lpszEnd;
LPSTR buffer;
CHAR value[MAX_FIELD_VALUE_LEN], field[MAX_FIELD_LEN];
BOOL bSuccess = FALSE;
LPWININETHTTPREQA lpwhr = (LPWININETHTTPREQA) hHttpRequest;
if (NULL == lpwhr || lpwhr->hdr.htype != WH_HHTTPREQ)
{
INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
return FALSE;
}
buffer = HTTP_strdup(lpszHeader);
lpszStart = buffer;
do
{
lpszEnd = lpszStart;
while (*lpszEnd != '\0')
{
if (*lpszEnd == '\r' && *(lpszEnd + 1) == '\n')
break;
lpszEnd++;
}
if (*lpszEnd == '\0')
break;
*lpszEnd = '\0';
if (HTTP_InterpretHttpHeader(lpszStart, field, MAX_FIELD_LEN, value, MAX_FIELD_VALUE_LEN))
bSuccess = HTTP_ProcessHeader(lpwhr, field, value, dwModifier | HTTP_ADDHDR_FLAG_REQ);
lpszStart = lpszEnd + 2; /* Jump over \0\n */
} while (bSuccess);
HeapFree(GetProcessHeap(), 0, buffer);
return bSuccess;
}
/***********************************************************************
* HttpOpenRequestA (WININET.72)
*
* Open a HTTP request handle
*
* RETURNS
* HINTERNET a HTTP request handle on success
* NULL on failure
*
*/
INTERNETAPI HINTERNET WINAPI HttpOpenRequestA(HINTERNET hHttpSession,
LPCSTR lpszVerb, LPCSTR lpszObjectName, LPCSTR lpszVersion,
LPCSTR lpszReferrer , LPCSTR *lpszAcceptTypes,
DWORD dwFlags, DWORD dwContext)
{
LPWININETHTTPSESSIONA lpwhs = (LPWININETHTTPSESSIONA) hHttpSession;
LPWININETAPPINFOA hIC = NULL;
TRACE("\n");
if (NULL == lpwhs || lpwhs->hdr.htype != WH_HHTTPSESSION)
{
INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
return FALSE;
}
hIC = (LPWININETAPPINFOA) lpwhs->hdr.lpwhparent;
if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
{
WORKREQUEST workRequest;
workRequest.asyncall = HTTPOPENREQUESTA;
workRequest.HFTPSESSION = (DWORD)hHttpSession;
workRequest.LPSZVERB = (DWORD)HTTP_strdup(lpszVerb);
workRequest.LPSZOBJECTNAME = (DWORD)HTTP_strdup(lpszObjectName);
workRequest.LPSZVERSION = (DWORD)HTTP_strdup(lpszVersion);
workRequest.LPSZREFERRER = (DWORD)HTTP_strdup(lpszReferrer);
workRequest.LPSZACCEPTTYPES = (DWORD)lpszAcceptTypes;
workRequest.DWFLAGS = dwFlags;
workRequest.DWCONTEXT = dwContext;
return (HINTERNET)INTERNET_AsyncCall(&workRequest);
}
else
{
return HTTP_HttpOpenRequestA(hHttpSession, lpszVerb, lpszObjectName,
lpszVersion, lpszReferrer, lpszAcceptTypes, dwFlags, dwContext);
}
}
/***********************************************************************
* HTTP_HttpOpenRequestA (internal)
*
* Open a HTTP request handle
*
* RETURNS
* HINTERNET a HTTP request handle on success
* NULL on failure
*
*/
INTERNETAPI HINTERNET WINAPI HTTP_HttpOpenRequestA(HINTERNET hHttpSession,
LPCSTR lpszVerb, LPCSTR lpszObjectName, LPCSTR lpszVersion,
LPCSTR lpszReferrer , LPCSTR *lpszAcceptTypes,
DWORD dwFlags, DWORD dwContext)
{
LPWININETHTTPSESSIONA lpwhs = (LPWININETHTTPSESSIONA) hHttpSession;
LPWININETAPPINFOA hIC = NULL;
LPWININETHTTPREQA lpwhr;
TRACE("\n");
if (NULL == lpwhs || lpwhs->hdr.htype != WH_HHTTPSESSION)
{
INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
return FALSE;
}
hIC = (LPWININETAPPINFOA) lpwhs->hdr.lpwhparent;
lpwhr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WININETHTTPREQA));
if (NULL == lpwhr)
{
INTERNET_SetLastError(ERROR_OUTOFMEMORY);
return (HINTERNET) NULL;
}
lpwhr->hdr.htype = WH_HHTTPREQ;
lpwhr->hdr.lpwhparent = hHttpSession;
lpwhr->hdr.dwFlags = dwFlags;
lpwhr->hdr.dwContext = dwContext;
lpwhr->nSocketFD = INVALID_SOCKET;
if (NULL != lpszObjectName && strlen(lpszObjectName)) {
DWORD needed = 0;
UrlEscapeA(lpszObjectName, NULL, &needed, URL_ESCAPE_SPACES_ONLY);
lpwhr->lpszPath = HeapAlloc(GetProcessHeap(), 0, needed);
UrlEscapeA(lpszObjectName, lpwhr->lpszPath, &needed,
URL_ESCAPE_SPACES_ONLY);
}
if (NULL != lpszReferrer && strlen(lpszReferrer))
HTTP_ProcessHeader(lpwhr, HTTP_REFERER, lpszReferrer, HTTP_ADDHDR_FLAG_COALESCE);
//! FIXME
if (NULL != lpszAcceptTypes && strlen(*lpszAcceptTypes))
HTTP_ProcessHeader(lpwhr, HTTP_ACCEPT, *lpszAcceptTypes, HTTP_ADDHDR_FLAG_COALESCE);
if (NULL == lpszVerb)
lpwhr->lpszVerb = HTTP_strdup("GET");
else if (strlen(lpszVerb))
lpwhr->lpszVerb = HTTP_strdup(lpszVerb);
if (NULL != lpszReferrer)
{
char buf[MAXHOSTNAME];
URL_COMPONENTSA UrlComponents;
UrlComponents.lpszExtraInfo = NULL;
UrlComponents.lpszPassword = NULL;
UrlComponents.lpszScheme = NULL;
UrlComponents.lpszUrlPath = NULL;
UrlComponents.lpszUserName = NULL;
UrlComponents.lpszHostName = buf;
UrlComponents.dwHostNameLength = MAXHOSTNAME;
InternetCrackUrlA(lpszReferrer, 0, 0, &UrlComponents);
if (strlen(UrlComponents.lpszHostName))
lpwhr->lpszHostName = HTTP_strdup(UrlComponents.lpszHostName);
} else {
lpwhr->lpszHostName = HTTP_strdup(lpwhs->lpszServerName);
}
if (hIC->lpfnStatusCB)
{
INTERNET_ASYNC_RESULT iar;
iar.dwResult = (DWORD)lpwhr;
iar.dwError = ERROR_SUCCESS;
hIC->lpfnStatusCB(hHttpSession, dwContext, INTERNET_STATUS_HANDLE_CREATED,
&iar, sizeof(INTERNET_ASYNC_RESULT));
}
if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC && hIC->lpfnStatusCB)
{
INTERNET_ASYNC_RESULT iar;
iar.dwResult = (DWORD)lpwhr;
iar.dwError = lpwhr ? ERROR_SUCCESS : INTERNET_GetLastError();
hIC->lpfnStatusCB(hHttpSession, dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
&iar, sizeof(INTERNET_ASYNC_RESULT));
}
return (HINTERNET) lpwhr;
}
/***********************************************************************
* HttpQueryInfoA (WININET.74)
*
* Queries for information about an HTTP request
*
* RETURNS
* TRUE on success
* FALSE on failure
*
*/
BOOL WINAPI HttpQueryInfoA(HINTERNET hHttpRequest, DWORD dwInfoLevel,
LPVOID lpBuffer, LPDWORD lpdwBufferLength, LPDWORD lpdwIndex)
{
LPHTTPHEADERA lphttpHdr = NULL;
BOOL bSuccess = FALSE;
LPWININETHTTPREQA lpwhr = (LPWININETHTTPREQA) hHttpRequest;
TRACE("(0x%08lx)--> %ld\n", dwInfoLevel, dwInfoLevel);
if (NULL == lpwhr || lpwhr->hdr.htype != WH_HHTTPREQ)
{
INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
return FALSE;
}
/* Find requested header structure */
if ((dwInfoLevel & ~HTTP_QUERY_MODIFIER_FLAGS_MASK) == HTTP_QUERY_CUSTOM)
{
INT index = HTTP_GetCustomHeaderIndex(lpwhr, (LPSTR)lpBuffer);
if (index < 0)
goto lend;
lphttpHdr = &lpwhr->pCustHeaders[index];
}
else
{
INT index = dwInfoLevel & ~HTTP_QUERY_MODIFIER_FLAGS_MASK;
if (index == HTTP_QUERY_RAW_HEADERS_CRLF || index == HTTP_QUERY_RAW_HEADERS)
{
INT i, delim, size = 0, cnt = 0;
delim = index == HTTP_QUERY_RAW_HEADERS_CRLF ? 2 : 1;
/* Calculate length of custom reuqest headers */
for (i = 0; i < lpwhr->nCustHeaders; i++)
{
if ((~lpwhr->pCustHeaders[i].wFlags & HDR_ISREQUEST) && lpwhr->pCustHeaders[i].lpszField &&
lpwhr->pCustHeaders[i].lpszValue)
{
size += strlen(lpwhr->pCustHeaders[i].lpszField) +
strlen(lpwhr->pCustHeaders[i].lpszValue) + delim + 2;
}
}
/* Calculate the length of stadard request headers */
for (i = 0; i <= HTTP_QUERY_MAX; i++)
{
if ((~lpwhr->StdHeaders[i].wFlags & HDR_ISREQUEST) && lpwhr->StdHeaders[i].lpszField &&
lpwhr->StdHeaders[i].lpszValue)
{
size += strlen(lpwhr->StdHeaders[i].lpszField) +
strlen(lpwhr->StdHeaders[i].lpszValue) + delim + 2;
}
}
size += delim;
if (size + 1 > *lpdwBufferLength)
{
*lpdwBufferLength = size + 1;
INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
goto lend;
}
/* Append standard request heades */
for (i = 0; i <= HTTP_QUERY_MAX; i++)
{
if ((~lpwhr->StdHeaders[i].wFlags & HDR_ISREQUEST) &&
lpwhr->StdHeaders[i].lpszField &&
lpwhr->StdHeaders[i].lpszValue)
{
cnt += sprintf(lpBuffer + cnt, "%s: %s%s", lpwhr->StdHeaders[i].lpszField, lpwhr->StdHeaders[i].lpszValue,
index == HTTP_QUERY_RAW_HEADERS_CRLF ? "\r\n" : "\0");
}
}
/* Append custom request heades */
for (i = 0; i < lpwhr->nCustHeaders; i++)
{
if ((~lpwhr->pCustHeaders[i].wFlags & HDR_ISREQUEST) &&
lpwhr->pCustHeaders[i].lpszField &&
lpwhr->pCustHeaders[i].lpszValue)
{
cnt += sprintf(lpBuffer + cnt, "%s: %s%s",
lpwhr->pCustHeaders[i].lpszField, lpwhr->pCustHeaders[i].lpszValue,
index == HTTP_QUERY_RAW_HEADERS_CRLF ? "\r\n" : "\0");
}
}
strcpy(lpBuffer + cnt, index == HTTP_QUERY_RAW_HEADERS_CRLF ? "\r\n" : "");
*lpdwBufferLength = cnt + delim;
bSuccess = TRUE;
goto lend;
}
else if (index >= 0 && index <= HTTP_QUERY_MAX && lpwhr->StdHeaders[index].lpszValue)
{
lphttpHdr = &lpwhr->StdHeaders[index];
}
else
goto lend;
}
/* Ensure header satisifies requested attributes */
if ((dwInfoLevel & HTTP_QUERY_FLAG_REQUEST_HEADERS) &&
(~lphttpHdr->wFlags & HDR_ISREQUEST))
goto lend;
/* coalesce value to reuqested type */
if (dwInfoLevel & HTTP_QUERY_FLAG_NUMBER)
{
*(int *)lpBuffer = atoi(lphttpHdr->lpszValue);
bSuccess = TRUE;
}
else if (dwInfoLevel & HTTP_QUERY_FLAG_SYSTEMTIME)
{
time_t tmpTime;
struct tm tmpTM;
SYSTEMTIME *STHook;
tmpTime = ConvertTimeString(lphttpHdr->lpszValue);
tmpTM = *gmtime(&tmpTime);
STHook = (SYSTEMTIME *) lpBuffer;
if(STHook==NULL)
goto lend;
STHook->wDay = tmpTM.tm_mday;
STHook->wHour = tmpTM.tm_hour;
STHook->wMilliseconds = 0;
STHook->wMinute = tmpTM.tm_min;
STHook->wDayOfWeek = tmpTM.tm_wday;
STHook->wMonth = tmpTM.tm_mon + 1;
STHook->wSecond = tmpTM.tm_sec;
STHook->wYear = tmpTM.tm_year;
bSuccess = TRUE;
}
else if (dwInfoLevel & HTTP_QUERY_FLAG_COALESCE)
{
if (*lpdwIndex >= lphttpHdr->wCount)
{
INTERNET_SetLastError(ERROR_HTTP_HEADER_NOT_FOUND);
}
else
{
//! Copy strncpy(lpBuffer, lphttpHdr[*lpdwIndex], len);
(*lpdwIndex)++;
}
}
else
{
INT len = strlen(lphttpHdr->lpszValue);
if (len + 1 > *lpdwBufferLength)
{
*lpdwBufferLength = len + 1;
INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
goto lend;
}
strncpy(lpBuffer, lphttpHdr->lpszValue, len);
*lpdwBufferLength = len;
bSuccess = TRUE;
}
lend:
TRACE("%d <--\n", bSuccess);
return bSuccess;
}
/***********************************************************************
* HttpSendRequestExA (WININET)
*
* Sends the specified request to the HTTP server and allows chunked
* transfers
*/
BOOL WINAPI HttpSendRequestExA(HINTERNET hRequest,
LPINTERNET_BUFFERSA lpBuffersIn,
LPINTERNET_BUFFERSA lpBuffersOut,
DWORD dwFlags, DWORD dwContext)
{
FIXME("(%p, %p, %p, %08lx, %08lx): stub\n", hRequest, lpBuffersIn,
lpBuffersOut, dwFlags, dwContext);
return FALSE;
}
/***********************************************************************
* HttpSendRequestA (WININET.76)
*
* Sends the specified request to the HTTP server
*
* RETURNS
* TRUE on success
* FALSE on failure
*
*/
BOOL WINAPI HttpSendRequestA(HINTERNET hHttpRequest, LPCSTR lpszHeaders,
DWORD dwHeaderLength, LPVOID lpOptional ,DWORD dwOptionalLength)
{
LPWININETHTTPREQA lpwhr = (LPWININETHTTPREQA) hHttpRequest;
LPWININETHTTPSESSIONA lpwhs = NULL;
LPWININETAPPINFOA hIC = NULL;
TRACE("0x%08lx\n", (unsigned long)hHttpRequest);
if (NULL == lpwhr || lpwhr->hdr.htype != WH_HHTTPREQ)
{
INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
return FALSE;
}
lpwhs = (LPWININETHTTPSESSIONA) lpwhr->hdr.lpwhparent;
if (NULL == lpwhs || lpwhs->hdr.htype != WH_HHTTPSESSION)
{
INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
return FALSE;
}
hIC = (LPWININETAPPINFOA) lpwhs->hdr.lpwhparent;
if (NULL == hIC || hIC->hdr.htype != WH_HINIT)
{
INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
return FALSE;
}
if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
{
WORKREQUEST workRequest;
workRequest.asyncall = HTTPSENDREQUESTA;
workRequest.HFTPSESSION = (DWORD)hHttpRequest;
workRequest.LPSZHEADER = (DWORD)HTTP_strdup(lpszHeaders);
workRequest.DWHEADERLENGTH = dwHeaderLength;
workRequest.LPOPTIONAL = (DWORD)lpOptional;
workRequest.DWOPTIONALLENGTH = dwOptionalLength;
return INTERNET_AsyncCall(&workRequest);
}
else
{
return HTTP_HttpSendRequestA(hHttpRequest, lpszHeaders,
dwHeaderLength, lpOptional, dwOptionalLength);
}
}
/***********************************************************************
* HTTP_HttpSendRequestA (internal)
*
* Sends the specified request to the HTTP server
*
* RETURNS
* TRUE on success
* FALSE on failure
*
*/
BOOL WINAPI HTTP_HttpSendRequestA(HINTERNET hHttpRequest, LPCSTR lpszHeaders,
DWORD dwHeaderLength, LPVOID lpOptional ,DWORD dwOptionalLength)
{
INT cnt;
INT i;
BOOL bSuccess = FALSE;
LPSTR requestString = NULL;
INT requestStringLen;
INT headerLength = 0;
LPWININETHTTPREQA lpwhr = (LPWININETHTTPREQA) hHttpRequest;
LPWININETHTTPSESSIONA lpwhs = NULL;
LPWININETAPPINFOA hIC = NULL;
TRACE("0x%08lx\n", (ULONG)hHttpRequest);
/* Verify our tree of internet handles */
if (NULL == lpwhr || lpwhr->hdr.htype != WH_HHTTPREQ)
{
INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
return FALSE;
}
lpwhs = (LPWININETHTTPSESSIONA) lpwhr->hdr.lpwhparent;
if (NULL == lpwhs || lpwhs->hdr.htype != WH_HHTTPSESSION)
{
INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
return FALSE;
}
hIC = (LPWININETAPPINFOA) lpwhs->hdr.lpwhparent;
if (NULL == hIC || hIC->hdr.htype != WH_HINIT)
{
INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
return FALSE;
}
/* Clear any error information */
INTERNET_SetLastError(0);
/* We must have a verb */
if (NULL == lpwhr->lpszVerb)
{
goto lend;
}
/* If we don't have a path we set it to root */
if (NULL == lpwhr->lpszPath)
lpwhr->lpszPath = HTTP_strdup("/");
/* Calculate length of request string */
requestStringLen =
strlen(lpwhr->lpszVerb) +
strlen(lpwhr->lpszPath) +
(lpwhr->lpszHostName ? (strlen(HTTPHOSTHEADER) + strlen(lpwhr->lpszHostName)) : 0) +
strlen(HTTPHEADER) +
5; /* " \r\n\r\n" */
/* Add length of passed headers */
if (lpszHeaders)
{
headerLength = -1 == dwHeaderLength ? strlen(lpszHeaders) : dwHeaderLength;
requestStringLen += headerLength + 2; /* \r\n */
}
/* Calculate length of custom request headers */
for (i = 0; i < lpwhr->nCustHeaders; i++)
{
if (lpwhr->pCustHeaders[i].wFlags & HDR_ISREQUEST)
{
requestStringLen += strlen(lpwhr->pCustHeaders[i].lpszField) +
strlen(lpwhr->pCustHeaders[i].lpszValue) + 4; /*: \r\n */
}
}
/* Calculate the length of standard request headers */
for (i = 0; i <= HTTP_QUERY_MAX; i++)
{
if (lpwhr->StdHeaders[i].wFlags & HDR_ISREQUEST)
{
requestStringLen += strlen(lpwhr->StdHeaders[i].lpszField) +
strlen(lpwhr->StdHeaders[i].lpszValue) + 4; /*: \r\n */
}
}
/* Allocate string to hold entire request */
requestString = HeapAlloc(GetProcessHeap(), 0, requestStringLen + 1);
if (NULL == requestString)
{
INTERNET_SetLastError(ERROR_OUTOFMEMORY);
goto lend;
}
/* Build request string */
cnt = sprintf(requestString, "%s %s%s%s",
lpwhr->lpszVerb,
lpwhr->lpszPath,
lpwhr->lpszHostName ? (HTTPHEADER HTTPHOSTHEADER) : HTTPHEADER,
lpwhr->lpszHostName ? lpwhr->lpszHostName : "");
/* Append standard request headers */
for (i = 0; i <= HTTP_QUERY_MAX; i++)
{
if (lpwhr->StdHeaders[i].wFlags & HDR_ISREQUEST)
{
cnt += sprintf(requestString + cnt, "\r\n%s: %s",
lpwhr->StdHeaders[i].lpszField, lpwhr->StdHeaders[i].lpszValue);
}
}
/* Append custom request heades */
for (i = 0; i < lpwhr->nCustHeaders; i++)
{
if (lpwhr->pCustHeaders[i].wFlags & HDR_ISREQUEST)
{
cnt += sprintf(requestString + cnt, "\r\n%s: %s",
lpwhr->pCustHeaders[i].lpszField, lpwhr->pCustHeaders[i].lpszValue);
}
}
/* Append passed request headers */
if (lpszHeaders)
{
strcpy(requestString + cnt, "\r\n");
cnt += 2;
strcpy(requestString + cnt, lpszHeaders);
cnt += headerLength;
}
/* Set termination string for request */
strcpy(requestString + cnt, "\r\n\r\n");
if (hIC->lpfnStatusCB)
hIC->lpfnStatusCB(hHttpRequest, lpwhr->hdr.dwContext, INTERNET_STATUS_SENDING_REQUEST, NULL, 0);
TRACE("(%s) len(%d)\n", requestString, requestStringLen);
/* Send the request and store the results */
if (!HTTP_OpenConnection(lpwhr))
goto lend;
cnt = INTERNET_WriteDataToStream(lpwhr->nSocketFD, requestString, requestStringLen);
if (cnt < 0)
goto lend;
if (HTTP_GetResponseHeaders(lpwhr))
bSuccess = TRUE;
lend:
if (requestString)
HeapFree(GetProcessHeap(), 0, requestString);
if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC && hIC->lpfnStatusCB)
{
INTERNET_ASYNC_RESULT iar;
iar.dwResult = (DWORD)bSuccess;
iar.dwError = bSuccess ? ERROR_SUCCESS : INTERNET_GetLastError();
hIC->lpfnStatusCB(hHttpRequest, lpwhr->hdr.dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
&iar, sizeof(INTERNET_ASYNC_RESULT));
}
TRACE("<--\n");
return bSuccess;
}
/***********************************************************************
* HTTP_Connect (internal)
*
* Create http session handle
*
* RETURNS
* HINTERNET a session handle on success
* NULL on failure
*
*/
HINTERNET HTTP_Connect(HINTERNET hInternet, LPCSTR lpszServerName,
INTERNET_PORT nServerPort, LPCSTR lpszUserName,
LPCSTR lpszPassword, DWORD dwFlags, DWORD dwContext)
{
BOOL bSuccess = FALSE;
LPWININETAPPINFOA hIC = NULL;
LPWININETHTTPSESSIONA lpwhs = NULL;
TRACE("\n");
if (((LPWININETHANDLEHEADER)hInternet)->htype != WH_HINIT)
goto lerror;
hIC = (LPWININETAPPINFOA) hInternet;
lpwhs = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WININETHTTPSESSIONA));
if (NULL == lpwhs)
{
INTERNET_SetLastError(ERROR_OUTOFMEMORY);
goto lerror;
}
if (hIC->lpfnStatusCB)
hIC->lpfnStatusCB(hInternet, dwContext, INTERNET_STATUS_RESOLVING_NAME,
(LPVOID)lpszServerName, strlen(lpszServerName));
if (nServerPort == INTERNET_INVALID_PORT_NUMBER)
nServerPort = INTERNET_DEFAULT_HTTP_PORT;
if (!GetAddress(lpszServerName, nServerPort, &lpwhs->phostent, &lpwhs->socketAddress))
{
INTERNET_SetLastError(ERROR_INTERNET_NAME_NOT_RESOLVED);
goto lerror;
}
if (hIC->lpfnStatusCB)
hIC->lpfnStatusCB(hInternet, dwContext, INTERNET_STATUS_NAME_RESOLVED,
(LPVOID)lpszServerName, strlen(lpszServerName));
lpwhs->hdr.htype = WH_HHTTPSESSION;
lpwhs->hdr.lpwhparent = (LPWININETHANDLEHEADER)hInternet;
lpwhs->hdr.dwFlags = dwFlags;
lpwhs->hdr.dwContext = dwContext;
if (NULL != lpszServerName)
lpwhs->lpszServerName = HTTP_strdup(lpszServerName);
if (NULL != lpszUserName)
lpwhs->lpszUserName = HTTP_strdup(lpszUserName);
lpwhs->nServerPort = nServerPort;
if (hIC->lpfnStatusCB)
{
INTERNET_ASYNC_RESULT iar;
iar.dwResult = (DWORD)lpwhs;
iar.dwError = ERROR_SUCCESS;
hIC->lpfnStatusCB(hInternet, dwContext, INTERNET_STATUS_HANDLE_CREATED,
&iar, sizeof(INTERNET_ASYNC_RESULT));
}
bSuccess = TRUE;
lerror:
if (!bSuccess && lpwhs)
{
HeapFree(GetProcessHeap(), 0, lpwhs);
lpwhs = NULL;
}
if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC && hIC->lpfnStatusCB)
{
INTERNET_ASYNC_RESULT iar;
iar.dwResult = (DWORD)lpwhs;
iar.dwError = bSuccess ? ERROR_SUCCESS : INTERNET_GetLastError();
hIC->lpfnStatusCB(hInternet, dwContext, INTERNET_STATUS_REQUEST_COMPLETE,
&iar, sizeof(INTERNET_ASYNC_RESULT));
}
TRACE("<--\n");
return (HINTERNET)lpwhs;
}
/***********************************************************************
* HTTP_OpenConnection (internal)
*
* Connect to a web server
*
* RETURNS
*
* TRUE on success
* FALSE on failure
*/
BOOL HTTP_OpenConnection(LPWININETHTTPREQA lpwhr)
{
BOOL bSuccess = FALSE;
INT result;
LPWININETHTTPSESSIONA lpwhs;
TRACE("\n");
if (NULL == lpwhr || lpwhr->hdr.htype != WH_HHTTPREQ)
{
INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
goto lend;
}
lpwhs = (LPWININETHTTPSESSIONA)lpwhr->hdr.lpwhparent;
lpwhr->nSocketFD = socket(lpwhs->phostent->h_addrtype,SOCK_STREAM,0);
if (INVALID_SOCKET == lpwhr->nSocketFD)
{
WARN("Socket creation failed\n");
goto lend;
}
result = connect(lpwhr->nSocketFD, (struct sockaddr *)&lpwhs->socketAddress,
sizeof(lpwhs->socketAddress));
if (SOCKET_ERROR == result)
{
WARN("Unable to connect to host (%s)\n", strerror(errno));
goto lend;
}
bSuccess = TRUE;
lend:
TRACE(": %d\n", bSuccess);
return bSuccess;
}
/***********************************************************************
* HTTP_GetResponseHeaders (internal)
*
* Read server response
*
* RETURNS
*
* TRUE on success
* FALSE on error
*/
BOOL HTTP_GetResponseHeaders(LPWININETHTTPREQA lpwhr)
{
INT cbreaks = 0;
CHAR buffer[MAX_REPLY_LEN];
DWORD buflen = MAX_REPLY_LEN;
BOOL bSuccess = FALSE;
CHAR value[MAX_FIELD_VALUE_LEN], field[MAX_FIELD_LEN];
TRACE("\n");
if (INVALID_SOCKET == lpwhr->nSocketFD)
goto lend;
/*
* We should first receive 'HTTP/1.x nnn' where nnn is the status code.
*/
if (!INTERNET_GetNextLine(lpwhr->nSocketFD, buffer, &buflen))
goto lend;
if (strncmp(buffer, "HTTP", 4) != 0)
goto lend;
buffer[12]='\0';
HTTP_ProcessHeader(lpwhr, "Status", buffer+9, (HTTP_ADDREQ_FLAG_ADD | HTTP_ADDREQ_FLAG_REPLACE));
/* Parse each response line */
do
{
buflen = MAX_REPLY_LEN;
if (INTERNET_GetNextLine(lpwhr->nSocketFD, buffer, &buflen))
{
if (!HTTP_InterpretHttpHeader(buffer, field, MAX_FIELD_LEN, value, MAX_FIELD_VALUE_LEN))
break;
HTTP_ProcessHeader(lpwhr, field, value, (HTTP_ADDREQ_FLAG_ADD | HTTP_ADDREQ_FLAG_REPLACE));
}
else
{
cbreaks++;
if (cbreaks >= 2)
break;
}
}while(1);
bSuccess = TRUE;
lend:
return bSuccess;
}
/***********************************************************************
* HTTP_InterpretHttpHeader (internal)
*
* Parse server response
*
* RETURNS
*
* TRUE on success
* FALSE on error
*/
INT stripSpaces(LPCSTR lpszSrc, LPSTR lpszStart, INT *len)
{
LPCSTR lpsztmp;
INT srclen;
srclen = 0;
while (*lpszSrc == ' ' && *lpszSrc != '\0')
lpszSrc++;
lpsztmp = lpszSrc;
while(*lpsztmp != '\0')
{
if (*lpsztmp != ' ')
srclen = lpsztmp - lpszSrc + 1;
lpsztmp++;
}
*len = min(*len, srclen);
strncpy(lpszStart, lpszSrc, *len);
lpszStart[*len] = '\0';
return *len;
}
BOOL HTTP_InterpretHttpHeader(LPSTR buffer, LPSTR field, INT fieldlen, LPSTR value, INT valuelen)
{
CHAR *pd;
BOOL bSuccess = FALSE;
TRACE("\n");
*field = '\0';
*value = '\0';
pd = strchr(buffer, ':');
if (pd)
{
*pd = '\0';
if (stripSpaces(buffer, field, &fieldlen) > 0)
{
if (stripSpaces(pd+1, value, &valuelen) > 0)
bSuccess = TRUE;
}
}
TRACE("%d: field(%s) Value(%s)\n", bSuccess, field, value);
return bSuccess;
}
/***********************************************************************
* HTTP_GetStdHeaderIndex (internal)
*
* Lookup field index in standard http header array
*
* FIXME: This should be stuffed into a hash table
*/
INT HTTP_GetStdHeaderIndex(LPCSTR lpszField)
{
INT index = -1;
if (!strcasecmp(lpszField, "Content-Length"))
index = HTTP_QUERY_CONTENT_LENGTH;
else if (!strcasecmp(lpszField,"Status"))
index = HTTP_QUERY_STATUS_CODE;
else if (!strcasecmp(lpszField,"Content-Type"))
index = HTTP_QUERY_CONTENT_TYPE;
else if (!strcasecmp(lpszField,"Last-Modified"))
index = HTTP_QUERY_LAST_MODIFIED;
else if (!strcasecmp(lpszField,"Location"))
index = HTTP_QUERY_LOCATION;
else if (!strcasecmp(lpszField,"Accept"))
index = HTTP_QUERY_ACCEPT;
else if (!strcasecmp(lpszField,"Referer"))
index = HTTP_QUERY_REFERER;
else if (!strcasecmp(lpszField,"Content-Transfer-Encoding"))
index = HTTP_QUERY_CONTENT_TRANSFER_ENCODING;
else if (!strcasecmp(lpszField,"Date"))
index = HTTP_QUERY_DATE;
else if (!strcasecmp(lpszField,"Server"))
index = HTTP_QUERY_SERVER;
else if (!strcasecmp(lpszField,"Connection"))
index = HTTP_QUERY_CONNECTION;
else if (!strcasecmp(lpszField,"ETag"))
index = HTTP_QUERY_ETAG;
else if (!strcasecmp(lpszField,"Accept-Ranges"))
index = HTTP_QUERY_ACCEPT_RANGES;
else if (!strcasecmp(lpszField,"Expires"))
index = HTTP_QUERY_EXPIRES;
else if (!strcasecmp(lpszField,"Mime-Version"))
index = HTTP_QUERY_MIME_VERSION;
else
{
FIXME("Couldn't find %s in standard header table\n", lpszField);
}
return index;
}
/***********************************************************************
* HTTP_ProcessHeader (internal)
*
* Stuff header into header tables according to <dwModifier>
*
*/
#define COALESCEFLASG (HTTP_ADDHDR_FLAG_COALESCE|HTTP_ADDHDR_FLAG_COALESCE_WITH_COMMA|HTTP_ADDHDR_FLAG_COALESCE_WITH_SEMICOLON)
BOOL HTTP_ProcessHeader(LPWININETHTTPREQA lpwhr, LPCSTR field, LPCSTR value, DWORD dwModifier)
{
LPHTTPHEADERA lphttpHdr = NULL;
BOOL bSuccess = FALSE;
INT index;
TRACE("%s:%s - 0x%08x\n", field, value, (unsigned int)dwModifier);
/* Adjust modifier flags */
if (dwModifier & COALESCEFLASG)
dwModifier |= HTTP_ADDHDR_FLAG_ADD;
/* Try to get index into standard header array */
index = HTTP_GetStdHeaderIndex(field);
if (index >= 0)
{
lphttpHdr = &lpwhr->StdHeaders[index];
}
else /* Find or create new custom header */
{
index = HTTP_GetCustomHeaderIndex(lpwhr, field);
if (index >= 0)
{
if (dwModifier & HTTP_ADDHDR_FLAG_ADD_IF_NEW)
{
return FALSE;
}
lphttpHdr = &lpwhr->pCustHeaders[index];
}
else
{
HTTPHEADERA hdr;
hdr.lpszField = (LPSTR)field;
hdr.lpszValue = (LPSTR)value;
hdr.wFlags = hdr.wCount = 0;
if (dwModifier & HTTP_ADDHDR_FLAG_REQ)
hdr.wFlags |= HDR_ISREQUEST;
index = HTTP_InsertCustomHeader(lpwhr, &hdr);
return index >= 0;
}
}
if (dwModifier & HTTP_ADDHDR_FLAG_REQ)
lphttpHdr->wFlags |= HDR_ISREQUEST;
else
lphttpHdr->wFlags &= ~HDR_ISREQUEST;
if (!lphttpHdr->lpszValue && (dwModifier & (HTTP_ADDHDR_FLAG_ADD|HTTP_ADDHDR_FLAG_ADD_IF_NEW)))
{
INT slen;
if (!lpwhr->StdHeaders[index].lpszField)
{
lphttpHdr->lpszField = HTTP_strdup(field);
if (dwModifier & HTTP_ADDHDR_FLAG_REQ)
lphttpHdr->wFlags |= HDR_ISREQUEST;
}
slen = strlen(value) + 1;
lphttpHdr->lpszValue = HeapAlloc(GetProcessHeap(), 0, slen);
if (lphttpHdr->lpszValue)
{
memcpy(lphttpHdr->lpszValue, value, slen);
bSuccess = TRUE;
}
else
{
INTERNET_SetLastError(ERROR_OUTOFMEMORY);
}
}
else if (lphttpHdr->lpszValue)
{
if (dwModifier & HTTP_ADDHDR_FLAG_REPLACE)
{
LPSTR lpsztmp;
INT len;
len = strlen(value);
if (len <= 0)
{
//! if custom header delete from array
HeapFree(GetProcessHeap(), 0, lphttpHdr->lpszValue);
lphttpHdr->lpszValue = NULL;
bSuccess = TRUE;
}
else
{
lpsztmp = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, lphttpHdr->lpszValue, len+1);
if (lpsztmp)
{
lphttpHdr->lpszValue = lpsztmp;
strcpy(lpsztmp, value);
bSuccess = TRUE;
}
else
{
INTERNET_SetLastError(ERROR_OUTOFMEMORY);
}
}
}
else if (dwModifier & COALESCEFLASG)
{
LPSTR lpsztmp;
CHAR ch = 0;
INT len = 0;
INT origlen = strlen(lphttpHdr->lpszValue);
INT valuelen = strlen(value);
if (dwModifier & HTTP_ADDHDR_FLAG_COALESCE_WITH_COMMA)
{
ch = ',';
lphttpHdr->wFlags |= HDR_COMMADELIMITED;
}
else if (dwModifier & HTTP_ADDHDR_FLAG_COALESCE_WITH_SEMICOLON)
{
ch = ';';
lphttpHdr->wFlags |= HDR_COMMADELIMITED;
}
len = origlen + valuelen + (ch > 0) ? 1 : 0;
lpsztmp = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, lphttpHdr->lpszValue, len+1);
if (lpsztmp)
{
/* FIXME: Increment lphttpHdr->wCount. Perhaps lpszValue should be an array */
if (ch > 0)
{
lphttpHdr->lpszValue[origlen] = ch;
origlen++;
}
memcpy(&lphttpHdr->lpszValue[origlen], value, valuelen);
lphttpHdr->lpszValue[len] = '\0';
bSuccess = TRUE;
}
else
{
INTERNET_SetLastError(ERROR_OUTOFMEMORY);
}
}
}
return bSuccess;
}
/***********************************************************************
* HTTP_CloseConnection (internal)
*
* Close socket connection
*
*/
VOID HTTP_CloseConnection(LPWININETHTTPREQA lpwhr)
{
if (lpwhr->nSocketFD != INVALID_SOCKET)
{
close(lpwhr->nSocketFD);
lpwhr->nSocketFD = INVALID_SOCKET;
}
}
/***********************************************************************
* HTTP_CloseHTTPRequestHandle (internal)
*
* Deallocate request handle
*
*/
void HTTP_CloseHTTPRequestHandle(LPWININETHTTPREQA lpwhr)
{
int i;
TRACE("\n");
if (lpwhr->nSocketFD != INVALID_SOCKET)
HTTP_CloseConnection(lpwhr);
if (lpwhr->lpszPath)
HeapFree(GetProcessHeap(), 0, lpwhr->lpszPath);
if (lpwhr->lpszVerb)
HeapFree(GetProcessHeap(), 0, lpwhr->lpszVerb);
if (lpwhr->lpszHostName)
HeapFree(GetProcessHeap(), 0, lpwhr->lpszHostName);
for (i = 0; i <= HTTP_QUERY_MAX; i++)
{
if (lpwhr->StdHeaders[i].lpszField)
HeapFree(GetProcessHeap(), 0, lpwhr->StdHeaders[i].lpszField);
if (lpwhr->StdHeaders[i].lpszValue)
HeapFree(GetProcessHeap(), 0, lpwhr->StdHeaders[i].lpszValue);
}
for (i = 0; i < lpwhr->nCustHeaders; i++)
{
if (lpwhr->pCustHeaders[i].lpszField)
HeapFree(GetProcessHeap(), 0, lpwhr->pCustHeaders[i].lpszField);
if (lpwhr->pCustHeaders[i].lpszValue)
HeapFree(GetProcessHeap(), 0, lpwhr->pCustHeaders[i].lpszValue);
}
HeapFree(GetProcessHeap(), 0, lpwhr->pCustHeaders);
HeapFree(GetProcessHeap(), 0, lpwhr);
}
/***********************************************************************
* HTTP_CloseHTTPSessionHandle (internal)
*
* Deallocate session handle
*
*/
void HTTP_CloseHTTPSessionHandle(LPWININETHTTPSESSIONA lpwhs)
{
TRACE("\n");
if (lpwhs->lpszServerName)
HeapFree(GetProcessHeap(), 0, lpwhs->lpszServerName);
if (lpwhs->lpszUserName)
HeapFree(GetProcessHeap(), 0, lpwhs->lpszUserName);
HeapFree(GetProcessHeap(), 0, lpwhs);
}
/***********************************************************************
* HTTP_GetCustomHeaderIndex (internal)
*
* Return index of custom header from header array
*
*/
INT HTTP_GetCustomHeaderIndex(LPWININETHTTPREQA lpwhr, LPCSTR lpszField)
{
INT index;
TRACE("%s\n", lpszField);
for (index = 0; index < lpwhr->nCustHeaders; index++)
{
if (!strcasecmp(lpwhr->pCustHeaders[index].lpszField, lpszField))
break;
}
if (index >= lpwhr->nCustHeaders)
index = -1;
TRACE("Return: %d\n", index);
return index;
}
/***********************************************************************
* HTTP_InsertCustomHeader (internal)
*
* Insert header into array
*
*/
INT HTTP_InsertCustomHeader(LPWININETHTTPREQA lpwhr, LPHTTPHEADERA lpHdr)
{
INT count;
LPHTTPHEADERA lph = NULL;
TRACE("%s: %s\n", lpHdr->lpszField, lpHdr->lpszValue);
count = lpwhr->nCustHeaders + 1;
if (count > 1)
lph = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, lpwhr->pCustHeaders, sizeof(HTTPHEADERA) * count);
else
lph = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HTTPHEADERA) * count);
if (NULL != lph)
{
lpwhr->pCustHeaders = lph;
lpwhr->pCustHeaders[count-1].lpszField = HTTP_strdup(lpHdr->lpszField);
lpwhr->pCustHeaders[count-1].lpszValue = HTTP_strdup(lpHdr->lpszValue);
lpwhr->pCustHeaders[count-1].wFlags = lpHdr->wFlags;
lpwhr->pCustHeaders[count-1].wCount= lpHdr->wCount;
lpwhr->nCustHeaders++;
}
else
{
INTERNET_SetLastError(ERROR_OUTOFMEMORY);
count = 0;
}
TRACE("%d <--\n", count-1);
return count - 1;
}
/***********************************************************************
* HTTP_DeleteCustomHeader (internal)
*
* Delete header from array
*
*/
BOOL HTTP_DeleteCustomHeader(INT index)
{
TRACE("\n");
return FALSE;
}
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