/* * 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 #include "winsock.h" #ifdef __WIN32OS2__ #include #include #define strcasecmp stricmp #else #include #ifdef HAVE_SYS_SOCKET_H # include #endif #ifdef HAVE_NETDB_H # include #endif #include #include #include #include #endif #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); /*********************************************************************** * 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 = 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)strdup(lpszVerb); workRequest.LPSZOBJECTNAME = (DWORD)strdup(lpszObjectName); workRequest.LPSZVERSION = (DWORD)strdup(lpszVersion); workRequest.LPSZREFERRER = (DWORD)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 * */ HINTERNET 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 = strdup("GET"); else if (strlen(lpszVerb)) lpwhr->lpszVerb = 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 = strdup(UrlComponents.lpszHostName); } else { lpwhr->lpszHostName = 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((LPBYTE)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((LPBYTE)lpBuffer + cnt, "%s: %s%s", lpwhr->pCustHeaders[i].lpszField, lpwhr->pCustHeaders[i].lpszValue, index == HTTP_QUERY_RAW_HEADERS_CRLF ? "\r\n" : "\0"); } } strcpy((LPBYTE)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)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 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 = strdup("/"); if(lpwhr->lpszPath[0] != '/') /* not an absolute path ?? --> fix it !! */ { char *fixurl = HeapAlloc(GetProcessHeap(), 0, strlen(lpwhr->lpszPath) + 2); *fixurl = '/'; strcpy(fixurl + 1, lpwhr->lpszPath); HeapFree( GetProcessHeap(), 0, lpwhr->lpszPath ); lpwhr->lpszPath = fixurl; } /* 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) { #ifdef __WIN32OS2__ requestStringLen += (lpwhr->pCustHeaders[i].lpszField) ? strlen(lpwhr->pCustHeaders[i].lpszField) : 0 + (lpwhr->pCustHeaders[i].lpszValue) ? strlen(lpwhr->pCustHeaders[i].lpszValue) : 0 + 4; /*: \r\n */ #else requestStringLen += strlen(lpwhr->pCustHeaders[i].lpszField) + strlen(lpwhr->pCustHeaders[i].lpszValue) + 4; /*: \r\n */ #endif } } /* Calculate the length of standard request headers */ for (i = 0; i <= HTTP_QUERY_MAX; i++) { if (lpwhr->StdHeaders[i].wFlags & HDR_ISREQUEST) { #ifdef __WIN32OS2__ requestStringLen += (lpwhr->StdHeaders[i].lpszField) ? strlen(lpwhr->StdHeaders[i].lpszField) : 0 + (lpwhr->StdHeaders[i].lpszValue) ? strlen(lpwhr->StdHeaders[i].lpszValue) : 0 + 4; /*: \r\n */ #else requestStringLen += strlen(lpwhr->StdHeaders[i].lpszField) + strlen(lpwhr->StdHeaders[i].lpszValue) + 4; /*: \r\n */ #endif } } /* 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 = strdup(lpszServerName); if (NULL != lpszUserName) lpwhs->lpszUserName = 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 * */ #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 = 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 = strdup(lpHdr->lpszField); lpwhr->pCustHeaders[count-1].lpszValue = 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; }