/* * Copyright 2004 Mike McCormack for CodeWeavers * Copyright 2006 Rob Shearman for CodeWeavers * Copyright 2008 Hans Leidekker for CodeWeavers * Copyright 2009 Juan Lang * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "config.h" #include "wine/port.h" #include "wine/debug.h" #include #ifdef HAVE_ARPA_INET_H # include #endif #include "windef.h" #include "winbase.h" #include "winhttp.h" #include "winhttp_private.h" WINE_DEFAULT_DEBUG_CHANNEL(winhttp); static const WCHAR attr_accept[] = {'A','c','c','e','p','t',0}; static const WCHAR attr_accept_charset[] = {'A','c','c','e','p','t','-','C','h','a','r','s','e','t', 0}; static const WCHAR attr_accept_encoding[] = {'A','c','c','e','p','t','-','E','n','c','o','d','i','n','g',0}; static const WCHAR attr_accept_language[] = {'A','c','c','e','p','t','-','L','a','n','g','u','a','g','e',0}; static const WCHAR attr_accept_ranges[] = {'A','c','c','e','p','t','-','R','a','n','g','e','s',0}; static const WCHAR attr_age[] = {'A','g','e',0}; static const WCHAR attr_allow[] = {'A','l','l','o','w',0}; static const WCHAR attr_authorization[] = {'A','u','t','h','o','r','i','z','a','t','i','o','n',0}; static const WCHAR attr_cache_control[] = {'C','a','c','h','e','-','C','o','n','t','r','o','l',0}; static const WCHAR attr_connection[] = {'C','o','n','n','e','c','t','i','o','n',0}; static const WCHAR attr_content_base[] = {'C','o','n','t','e','n','t','-','B','a','s','e',0}; static const WCHAR attr_content_encoding[] = {'C','o','n','t','e','n','t','-','E','n','c','o','d','i','n','g',0}; static const WCHAR attr_content_id[] = {'C','o','n','t','e','n','t','-','I','D',0}; static const WCHAR attr_content_language[] = {'C','o','n','t','e','n','t','-','L','a','n','g','u','a','g','e',0}; static const WCHAR attr_content_length[] = {'C','o','n','t','e','n','t','-','L','e','n','g','t','h',0}; static const WCHAR attr_content_location[] = {'C','o','n','t','e','n','t','-','L','o','c','a','t','i','o','n',0}; static const WCHAR attr_content_md5[] = {'C','o','n','t','e','n','t','-','M','D','5',0}; static const WCHAR attr_content_range[] = {'C','o','n','t','e','n','t','-','R','a','n','g','e',0}; static const WCHAR attr_content_transfer_encoding[] = {'C','o','n','t','e','n','t','-','T','r','a','n','s','f','e','r','-','E','n','c','o','d','i','n','g',0}; static const WCHAR attr_content_type[] = {'C','o','n','t','e','n','t','-','T','y','p','e',0}; static const WCHAR attr_cookie[] = {'C','o','o','k','i','e',0}; static const WCHAR attr_date[] = {'D','a','t','e',0}; static const WCHAR attr_from[] = {'F','r','o','m',0}; static const WCHAR attr_etag[] = {'E','T','a','g',0}; static const WCHAR attr_expect[] = {'E','x','p','e','c','t',0}; static const WCHAR attr_expires[] = {'E','x','p','i','r','e','s',0}; static const WCHAR attr_host[] = {'H','o','s','t',0}; static const WCHAR attr_if_match[] = {'I','f','-','M','a','t','c','h',0}; static const WCHAR attr_if_modified_since[] = {'I','f','-','M','o','d','i','f','i','e','d','-','S','i','n','c','e',0}; static const WCHAR attr_if_none_match[] = {'I','f','-','N','o','n','e','-','M','a','t','c','h',0}; static const WCHAR attr_if_range[] = {'I','f','-','R','a','n','g','e',0}; static const WCHAR attr_if_unmodified_since[] = {'I','f','-','U','n','m','o','d','i','f','i','e','d','-','S','i','n','c','e',0}; static const WCHAR attr_last_modified[] = {'L','a','s','t','-','M','o','d','i','f','i','e','d',0}; static const WCHAR attr_location[] = {'L','o','c','a','t','i','o','n',0}; static const WCHAR attr_max_forwards[] = {'M','a','x','-','F','o','r','w','a','r','d','s',0}; static const WCHAR attr_mime_version[] = {'M','i','m','e','-','V','e','r','s','i','o','n',0}; static const WCHAR attr_pragma[] = {'P','r','a','g','m','a',0}; static const WCHAR attr_proxy_authenticate[] = {'P','r','o','x','y','-','A','u','t','h','e','n','t','i','c','a','t','e',0}; static const WCHAR attr_proxy_authorization[] = {'P','r','o','x','y','-','A','u','t','h','o','r','i','z','a','t','i','o','n',0}; static const WCHAR attr_proxy_connection[] = {'P','r','o','x','y','-','C','o','n','n','e','c','t','i','o','n',0}; static const WCHAR attr_public[] = {'P','u','b','l','i','c',0}; static const WCHAR attr_range[] = {'R','a','n','g','e',0}; static const WCHAR attr_referer[] = {'R','e','f','e','r','e','r',0}; static const WCHAR attr_retry_after[] = {'R','e','t','r','y','-','A','f','t','e','r',0}; static const WCHAR attr_server[] = {'S','e','r','v','e','r',0}; static const WCHAR attr_set_cookie[] = {'S','e','t','-','C','o','o','k','i','e',0}; static const WCHAR attr_status[] = {'S','t','a','t','u','s',0}; static const WCHAR attr_transfer_encoding[] = {'T','r','a','n','s','f','e','r','-','E','n','c','o','d','i','n','g',0}; static const WCHAR attr_unless_modified_since[] = {'U','n','l','e','s','s','-','M','o','d','i','f','i','e','d','-','S','i','n','c','e',0}; static const WCHAR attr_upgrade[] = {'U','p','g','r','a','d','e',0}; static const WCHAR attr_uri[] = {'U','R','I',0}; static const WCHAR attr_user_agent[] = {'U','s','e','r','-','A','g','e','n','t',0}; static const WCHAR attr_vary[] = {'V','a','r','y',0}; static const WCHAR attr_via[] = {'V','i','a',0}; static const WCHAR attr_warning[] = {'W','a','r','n','i','n','g',0}; static const WCHAR attr_www_authenticate[] = {'W','W','W','-','A','u','t','h','e','n','t','i','c','a','t','e',0}; static const WCHAR *attribute_table[] = { attr_mime_version, /* WINHTTP_QUERY_MIME_VERSION = 0 */ attr_content_type, /* WINHTTP_QUERY_CONTENT_TYPE = 1 */ attr_content_transfer_encoding, /* WINHTTP_QUERY_CONTENT_TRANSFER_ENCODING = 2 */ attr_content_id, /* WINHTTP_QUERY_CONTENT_ID = 3 */ NULL, /* WINHTTP_QUERY_CONTENT_DESCRIPTION = 4 */ attr_content_length, /* WINHTTP_QUERY_CONTENT_LENGTH = 5 */ attr_content_language, /* WINHTTP_QUERY_CONTENT_LANGUAGE = 6 */ attr_allow, /* WINHTTP_QUERY_ALLOW = 7 */ attr_public, /* WINHTTP_QUERY_PUBLIC = 8 */ attr_date, /* WINHTTP_QUERY_DATE = 9 */ attr_expires, /* WINHTTP_QUERY_EXPIRES = 10 */ attr_last_modified, /* WINHTTP_QUERY_LAST_MODIFIEDcw = 11 */ NULL, /* WINHTTP_QUERY_MESSAGE_ID = 12 */ attr_uri, /* WINHTTP_QUERY_URI = 13 */ attr_from, /* WINHTTP_QUERY_DERIVED_FROM = 14 */ NULL, /* WINHTTP_QUERY_COST = 15 */ NULL, /* WINHTTP_QUERY_LINK = 16 */ attr_pragma, /* WINHTTP_QUERY_PRAGMA = 17 */ NULL, /* WINHTTP_QUERY_VERSION = 18 */ attr_status, /* WINHTTP_QUERY_STATUS_CODE = 19 */ NULL, /* WINHTTP_QUERY_STATUS_TEXT = 20 */ NULL, /* WINHTTP_QUERY_RAW_HEADERS = 21 */ NULL, /* WINHTTP_QUERY_RAW_HEADERS_CRLF = 22 */ attr_connection, /* WINHTTP_QUERY_CONNECTION = 23 */ attr_accept, /* WINHTTP_QUERY_ACCEPT = 24 */ attr_accept_charset, /* WINHTTP_QUERY_ACCEPT_CHARSET = 25 */ attr_accept_encoding, /* WINHTTP_QUERY_ACCEPT_ENCODING = 26 */ attr_accept_language, /* WINHTTP_QUERY_ACCEPT_LANGUAGE = 27 */ attr_authorization, /* WINHTTP_QUERY_AUTHORIZATION = 28 */ attr_content_encoding, /* WINHTTP_QUERY_CONTENT_ENCODING = 29 */ NULL, /* WINHTTP_QUERY_FORWARDED = 30 */ NULL, /* WINHTTP_QUERY_FROM = 31 */ attr_if_modified_since, /* WINHTTP_QUERY_IF_MODIFIED_SINCE = 32 */ attr_location, /* WINHTTP_QUERY_LOCATION = 33 */ NULL, /* WINHTTP_QUERY_ORIG_URI = 34 */ attr_referer, /* WINHTTP_QUERY_REFERER = 35 */ attr_retry_after, /* WINHTTP_QUERY_RETRY_AFTER = 36 */ attr_server, /* WINHTTP_QUERY_SERVER = 37 */ NULL, /* WINHTTP_TITLE = 38 */ attr_user_agent, /* WINHTTP_QUERY_USER_AGENT = 39 */ attr_www_authenticate, /* WINHTTP_QUERY_WWW_AUTHENTICATE = 40 */ attr_proxy_authenticate, /* WINHTTP_QUERY_PROXY_AUTHENTICATE = 41 */ attr_accept_ranges, /* WINHTTP_QUERY_ACCEPT_RANGES = 42 */ attr_set_cookie, /* WINHTTP_QUERY_SET_COOKIE = 43 */ attr_cookie, /* WINHTTP_QUERY_COOKIE = 44 */ NULL, /* WINHTTP_QUERY_REQUEST_METHOD = 45 */ NULL, /* WINHTTP_QUERY_REFRESH = 46 */ NULL, /* WINHTTP_QUERY_CONTENT_DISPOSITION = 47 */ attr_age, /* WINHTTP_QUERY_AGE = 48 */ attr_cache_control, /* WINHTTP_QUERY_CACHE_CONTROL = 49 */ attr_content_base, /* WINHTTP_QUERY_CONTENT_BASE = 50 */ attr_content_location, /* WINHTTP_QUERY_CONTENT_LOCATION = 51 */ attr_content_md5, /* WINHTTP_QUERY_CONTENT_MD5 = 52 */ attr_content_range, /* WINHTTP_QUERY_CONTENT_RANGE = 53 */ attr_etag, /* WINHTTP_QUERY_ETAG = 54 */ attr_host, /* WINHTTP_QUERY_HOST = 55 */ attr_if_match, /* WINHTTP_QUERY_IF_MATCH = 56 */ attr_if_none_match, /* WINHTTP_QUERY_IF_NONE_MATCH = 57 */ attr_if_range, /* WINHTTP_QUERY_IF_RANGE = 58 */ attr_if_unmodified_since, /* WINHTTP_QUERY_IF_UNMODIFIED_SINCE = 59 */ attr_max_forwards, /* WINHTTP_QUERY_MAX_FORWARDS = 60 */ attr_proxy_authorization, /* WINHTTP_QUERY_PROXY_AUTHORIZATION = 61 */ attr_range, /* WINHTTP_QUERY_RANGE = 62 */ attr_transfer_encoding, /* WINHTTP_QUERY_TRANSFER_ENCODING = 63 */ attr_upgrade, /* WINHTTP_QUERY_UPGRADE = 64 */ attr_vary, /* WINHTTP_QUERY_VARY = 65 */ attr_via, /* WINHTTP_QUERY_VIA = 66 */ attr_warning, /* WINHTTP_QUERY_WARNING = 67 */ attr_expect, /* WINHTTP_QUERY_EXPECT = 68 */ attr_proxy_connection, /* WINHTTP_QUERY_PROXY_CONNECTION = 69 */ attr_unless_modified_since, /* WINHTTP_QUERY_UNLESS_MODIFIED_SINCE = 70 */ NULL, /* WINHTTP_QUERY_PROXY_SUPPORT = 75 */ NULL, /* WINHTTP_QUERY_AUTHENTICATION_INFO = 76 */ NULL, /* WINHTTP_QUERY_PASSPORT_URLS = 77 */ NULL /* WINHTTP_QUERY_PASSPORT_CONFIG = 78 */ }; static DWORD CALLBACK task_thread( LPVOID param ) { task_header_t *task = param; task->proc( task ); release_object( &task->request->hdr ); heap_free( task ); return ERROR_SUCCESS; } static BOOL queue_task( task_header_t *task ) { return QueueUserWorkItem( task_thread, task, WT_EXECUTELONGFUNCTION ); } static void free_header( header_t *header ) { heap_free( header->field ); heap_free( header->value ); heap_free( header ); } static BOOL valid_token_char( WCHAR c ) { if (c < 32 || c == 127) return FALSE; switch (c) { case '(': case ')': case '<': case '>': case '@': case ',': case ';': case ':': case '\\': case '\"': case '/': case '[': case ']': case '?': case '=': case '{': case '}': case ' ': case '\t': return FALSE; default: return TRUE; } } static header_t *parse_header( LPCWSTR string ) { const WCHAR *p, *q; header_t *header; int len; p = string; if (!(q = strchrW( p, ':' ))) { WARN("no ':' in line %s\n", debugstr_w(string)); return NULL; } if (q == string) { WARN("empty field name in line %s\n", debugstr_w(string)); return NULL; } while (*p != ':') { if (!valid_token_char( *p )) { WARN("invalid character in field name %s\n", debugstr_w(string)); return NULL; } p++; } len = q - string; if (!(header = heap_alloc_zero( sizeof(header_t) ))) return NULL; if (!(header->field = heap_alloc( (len + 1) * sizeof(WCHAR) ))) { heap_free( header ); return NULL; } memcpy( header->field, string, len * sizeof(WCHAR) ); header->field[len] = 0; q++; /* skip past colon */ while (*q == ' ') q++; if (!*q) { WARN("no value in line %s\n", debugstr_w(string)); return header; } len = strlenW( q ); if (!(header->value = heap_alloc( (len + 1) * sizeof(WCHAR) ))) { free_header( header ); return NULL; } memcpy( header->value, q, len * sizeof(WCHAR) ); header->value[len] = 0; return header; } static int get_header_index( request_t *request, LPCWSTR field, int requested_index, BOOL request_only ) { int index; TRACE("%s\n", debugstr_w(field)); for (index = 0; index < request->num_headers; index++) { if (strcmpiW( request->headers[index].field, field )) continue; if (request_only && !request->headers[index].is_request) continue; if (!request_only && request->headers[index].is_request) continue; if (!requested_index) break; requested_index--; } if (index >= request->num_headers) index = -1; TRACE("returning %d\n", index); return index; } static BOOL insert_header( request_t *request, header_t *header ) { DWORD count; header_t *hdrs; count = request->num_headers + 1; if (count > 1) hdrs = heap_realloc_zero( request->headers, sizeof(header_t) * count ); else hdrs = heap_alloc_zero( sizeof(header_t) * count ); if (hdrs) { request->headers = hdrs; request->headers[count - 1].field = strdupW( header->field ); request->headers[count - 1].value = strdupW( header->value ); request->headers[count - 1].is_request = header->is_request; request->num_headers++; return TRUE; } return FALSE; } static BOOL delete_header( request_t *request, DWORD index ) { if (!request->num_headers) return FALSE; if (index >= request->num_headers) return FALSE; request->num_headers--; heap_free( request->headers[index].field ); heap_free( request->headers[index].value ); memmove( &request->headers[index], &request->headers[index + 1], (request->num_headers - index) * sizeof(header_t) ); memset( &request->headers[request->num_headers], 0, sizeof(header_t) ); return TRUE; } static BOOL process_header( request_t *request, LPCWSTR field, LPCWSTR value, DWORD flags, BOOL request_only ) { int index; header_t *header; TRACE("%s: %s 0x%08x\n", debugstr_w(field), debugstr_w(value), flags); /* replace wins out over add */ if (flags & WINHTTP_ADDREQ_FLAG_REPLACE) flags &= ~WINHTTP_ADDREQ_FLAG_ADD; if (flags & WINHTTP_ADDREQ_FLAG_ADD) index = -1; else index = get_header_index( request, field, 0, request_only ); if (index >= 0) { if (flags & WINHTTP_ADDREQ_FLAG_ADD_IF_NEW) return FALSE; header = &request->headers[index]; } else if (value) { header_t hdr; hdr.field = (LPWSTR)field; hdr.value = (LPWSTR)value; hdr.is_request = request_only; return insert_header( request, &hdr ); } /* no value to delete */ else return TRUE; if (flags & WINHTTP_ADDREQ_FLAG_REPLACE) { delete_header( request, index ); if (value) { header_t hdr; hdr.field = (LPWSTR)field; hdr.value = (LPWSTR)value; hdr.is_request = request_only; return insert_header( request, &hdr ); } return TRUE; } else if (flags & (WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA | WINHTTP_ADDREQ_FLAG_COALESCE_WITH_SEMICOLON)) { WCHAR sep, *tmp; int len, orig_len, value_len; orig_len = strlenW( header->value ); value_len = strlenW( value ); if (flags & WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA) sep = ','; else sep = ';'; len = orig_len + value_len + 2; if ((tmp = heap_realloc( header->value, (len + 1) * sizeof(WCHAR) ))) { header->value = tmp; header->value[orig_len] = sep; orig_len++; header->value[orig_len] = ' '; orig_len++; memcpy( &header->value[orig_len], value, value_len * sizeof(WCHAR) ); header->value[len] = 0; return TRUE; } } return TRUE; } BOOL add_request_headers( request_t *request, LPCWSTR headers, DWORD len, DWORD flags ) { BOOL ret = FALSE; WCHAR *buffer, *p, *q; header_t *header; if (len == ~0u) len = strlenW( headers ); if (!len) return TRUE; if (!(buffer = heap_alloc( (len + 1) * sizeof(WCHAR) ))) return FALSE; strcpyW( buffer, headers ); p = buffer; do { q = p; while (*q) { if (q[0] == '\r' && q[1] == '\n') break; q++; } if (!*p) break; if (*q == '\r') { *q = 0; q += 2; /* jump over \r\n */ } if ((header = parse_header( p ))) { ret = process_header( request, header->field, header->value, flags, TRUE ); free_header( header ); } p = q; } while (ret); heap_free( buffer ); return ret; } /*********************************************************************** * WinHttpAddRequestHeaders (winhttp.@) */ BOOL WINAPI WinHttpAddRequestHeaders( HINTERNET hrequest, LPCWSTR headers, DWORD len, DWORD flags ) { BOOL ret; request_t *request; TRACE("%p, %s, 0x%x, 0x%08x\n", hrequest, debugstr_w(headers), len, flags); if (!headers) { set_last_error( ERROR_INVALID_PARAMETER ); return FALSE; } if (!(request = (request_t *)grab_object( hrequest ))) { set_last_error( ERROR_INVALID_HANDLE ); return FALSE; } if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST) { release_object( &request->hdr ); set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE ); return FALSE; } ret = add_request_headers( request, headers, len, flags ); release_object( &request->hdr ); return ret; } static WCHAR *build_request_path( request_t *request ) { WCHAR *ret; if (strcmpiW( request->connect->hostname, request->connect->servername )) { static const WCHAR http[] = { 'h','t','t','p',0 }; static const WCHAR https[] = { 'h','t','t','p','s',0 }; static const WCHAR fmt[] = { '%','s',':','/','/','%','s',0 }; LPCWSTR scheme = request->netconn.secure ? https : http; int len; len = strlenW( scheme ) + strlenW( request->connect->hostname ); /* 3 characters for '://', 1 for NUL. */ len += 4; if (request->connect->hostport) { /* 1 for ':' between host and port, up to 5 for port */ len += 6; } if (request->path) len += strlenW( request->path ); if ((ret = heap_alloc( len * sizeof(WCHAR) ))) { sprintfW( ret, fmt, scheme, request->connect->hostname ); if (request->connect->hostport) { static const WCHAR colonFmt[] = { ':','%','d',0 }; sprintfW( ret + strlenW( ret ), colonFmt, request->connect->hostport ); } if (request->path) strcatW( ret, request->path ); } } else ret = request->path; return ret; } static WCHAR *build_request_string( request_t *request ) { static const WCHAR space[] = {' ',0}; static const WCHAR crlf[] = {'\r','\n',0}; static const WCHAR colon[] = {':',' ',0}; static const WCHAR twocrlf[] = {'\r','\n','\r','\n',0}; WCHAR *path, *ret; const WCHAR **headers, **p; unsigned int len, i = 0, j; /* allocate space for an array of all the string pointers to be added */ len = request->num_headers * 4 + 7; if (!(headers = heap_alloc( len * sizeof(LPCWSTR) ))) return NULL; path = build_request_path( request ); headers[i++] = request->verb; headers[i++] = space; headers[i++] = path; headers[i++] = space; headers[i++] = request->version; for (j = 0; j < request->num_headers; j++) { if (request->headers[j].is_request) { headers[i++] = crlf; headers[i++] = request->headers[j].field; headers[i++] = colon; headers[i++] = request->headers[j].value; TRACE("adding header %s (%s)\n", debugstr_w(request->headers[j].field), debugstr_w(request->headers[j].value)); } } headers[i++] = twocrlf; headers[i] = NULL; len = 0; for (p = headers; *p; p++) len += strlenW( *p ); len++; if (!(ret = heap_alloc( len * sizeof(WCHAR) ))) goto out; *ret = 0; for (p = headers; *p; p++) strcatW( ret, *p ); out: if (path != request->path) heap_free( path ); heap_free( headers ); return ret; } #define QUERY_MODIFIER_MASK (WINHTTP_QUERY_FLAG_REQUEST_HEADERS | WINHTTP_QUERY_FLAG_SYSTEMTIME | WINHTTP_QUERY_FLAG_NUMBER) static BOOL query_headers( request_t *request, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index ) { header_t *header = NULL; BOOL request_only, ret = FALSE; int requested_index, header_index = -1; DWORD attr, len; request_only = level & WINHTTP_QUERY_FLAG_REQUEST_HEADERS; requested_index = index ? *index : 0; attr = level & ~QUERY_MODIFIER_MASK; switch (attr) { case WINHTTP_QUERY_CUSTOM: { header_index = get_header_index( request, name, requested_index, request_only ); break; } case WINHTTP_QUERY_RAW_HEADERS: { WCHAR *headers, *p, *q; if (request_only) headers = build_request_string( request ); else headers = request->raw_headers; if (!(p = headers)) return FALSE; for (len = 0; *p; p++) if (*p != '\r') len++; if ((len + 1) * sizeof(WCHAR) > *buflen || !buffer) { len++; set_last_error( ERROR_INSUFFICIENT_BUFFER ); } else if (buffer) { for (p = headers, q = buffer; *p; p++, q++) { if (*p != '\r') *q = *p; else { *q = 0; p++; /* skip '\n' */ } } *q = 0; TRACE("returning data: %s\n", debugstr_wn(buffer, len)); ret = TRUE; } *buflen = len * sizeof(WCHAR); if (request_only) heap_free( headers ); return ret; } case WINHTTP_QUERY_RAW_HEADERS_CRLF: { WCHAR *headers; if (request_only) headers = build_request_string( request ); else headers = request->raw_headers; if (!headers) return FALSE; len = strlenW( headers ) * sizeof(WCHAR); if (len + sizeof(WCHAR) > *buflen || !buffer) { len += sizeof(WCHAR); set_last_error( ERROR_INSUFFICIENT_BUFFER ); } else if (buffer) { memcpy( buffer, headers, len + sizeof(WCHAR) ); TRACE("returning data: %s\n", debugstr_wn(buffer, len / sizeof(WCHAR))); ret = TRUE; } *buflen = len; if (request_only) heap_free( headers ); return ret; } default: { if (attr >= sizeof(attribute_table)/sizeof(attribute_table[0]) || !attribute_table[attr]) { FIXME("attribute %u not implemented\n", attr); return FALSE; } TRACE("attribute %s\n", debugstr_w(attribute_table[attr])); header_index = get_header_index( request, attribute_table[attr], requested_index, request_only ); } } if (header_index >= 0) { header = &request->headers[header_index]; } if (!header || (request_only && !header->is_request)) { set_last_error( ERROR_WINHTTP_HEADER_NOT_FOUND ); return FALSE; } if (index) *index += 1; if (level & WINHTTP_QUERY_FLAG_NUMBER) { int *number = buffer; if (sizeof(int) > *buflen) { set_last_error( ERROR_INSUFFICIENT_BUFFER ); } else if (number) { *number = atoiW( header->value ); TRACE("returning number: %d\n", *number); ret = TRUE; } *buflen = sizeof(int); } else if (level & WINHTTP_QUERY_FLAG_SYSTEMTIME) { SYSTEMTIME *st = buffer; if (sizeof(SYSTEMTIME) > *buflen) { set_last_error( ERROR_INSUFFICIENT_BUFFER ); } else if (st && (ret = WinHttpTimeToSystemTime( header->value, st ))) { TRACE("returning time: %04d/%02d/%02d - %d - %02d:%02d:%02d.%02d\n", st->wYear, st->wMonth, st->wDay, st->wDayOfWeek, st->wHour, st->wMinute, st->wSecond, st->wMilliseconds); } *buflen = sizeof(SYSTEMTIME); } else if (header->value) { WCHAR *string = buffer; DWORD len = (strlenW( header->value ) + 1) * sizeof(WCHAR); if (len > *buflen) { set_last_error( ERROR_INSUFFICIENT_BUFFER ); *buflen = len; return FALSE; } else if (string) { strcpyW( string, header->value ); TRACE("returning string: %s\n", debugstr_w(string)); ret = TRUE; } *buflen = len - sizeof(WCHAR); } return ret; } /*********************************************************************** * WinHttpQueryHeaders (winhttp.@) */ BOOL WINAPI WinHttpQueryHeaders( HINTERNET hrequest, DWORD level, LPCWSTR name, LPVOID buffer, LPDWORD buflen, LPDWORD index ) { BOOL ret; request_t *request; TRACE("%p, 0x%08x, %s, %p, %p, %p\n", hrequest, level, debugstr_w(name), buffer, buflen, index); if (!(request = (request_t *)grab_object( hrequest ))) { set_last_error( ERROR_INVALID_HANDLE ); return FALSE; } if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST) { release_object( &request->hdr ); set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE ); return FALSE; } ret = query_headers( request, level, name, buffer, buflen, index ); release_object( &request->hdr ); return ret; } static LPWSTR concatenate_string_list( LPCWSTR *list, int len ) { LPCWSTR *t; LPWSTR str; for( t = list; *t ; t++ ) len += strlenW( *t ); len++; str = heap_alloc( len * sizeof(WCHAR) ); if (!str) return NULL; *str = 0; for( t = list; *t ; t++ ) strcatW( str, *t ); return str; } static LPWSTR build_header_request_string( request_t *request, LPCWSTR verb, LPCWSTR path, LPCWSTR version ) { static const WCHAR crlf[] = {'\r','\n',0}; static const WCHAR space[] = { ' ',0 }; static const WCHAR colon[] = { ':',' ',0 }; static const WCHAR twocrlf[] = {'\r','\n','\r','\n', 0}; LPWSTR requestString; DWORD len, n; LPCWSTR *req; UINT i; LPWSTR p; /* allocate space for an array of all the string pointers to be added */ len = (request->num_headers) * 4 + 10; req = heap_alloc( len * sizeof(LPCWSTR) ); if (!req) return NULL; /* add the verb, path and HTTP version string */ n = 0; req[n++] = verb; req[n++] = space; req[n++] = path; req[n++] = space; req[n++] = version; /* Append custom request headers */ for (i = 0; i < request->num_headers; i++) { if (request->headers[i].is_request) { req[n++] = crlf; req[n++] = request->headers[i].field; req[n++] = colon; req[n++] = request->headers[i].value; TRACE("Adding custom header %s (%s)\n", debugstr_w(request->headers[i].field), debugstr_w(request->headers[i].value)); } } if( n >= len ) ERR("oops. buffer overrun\n"); req[n] = NULL; requestString = concatenate_string_list( req, 4 ); heap_free( req ); if (!requestString) return NULL; /* * Set (header) termination string for request * Make sure there's exactly two new lines at the end of the request */ p = &requestString[strlenW(requestString)-1]; while ( (*p == '\n') || (*p == '\r') ) p--; strcpyW( p+1, twocrlf ); return requestString; } static BOOL read_reply( request_t *request ); static BOOL secure_proxy_connect( request_t *request ) { static const WCHAR verbConnect[] = {'C','O','N','N','E','C','T',0}; static const WCHAR fmt[] = {'%','s',':','%','d',0}; BOOL ret = FALSE; LPWSTR path; connect_t *connect = request->connect; path = heap_alloc( (strlenW( connect->hostname ) + 13) * sizeof(WCHAR) ); if (path) { LPWSTR requestString; sprintfW( path, fmt, connect->hostname, connect->hostport ); requestString = build_header_request_string( request, verbConnect, path, http1_1 ); heap_free( path ); if (requestString) { LPSTR req_ascii = strdupWA( requestString ); heap_free( requestString ); if (req_ascii) { int len = strlen( req_ascii ), bytes_sent; ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent ); heap_free( req_ascii ); if (ret) ret = read_reply( request ); } } } return ret; } #ifndef INET6_ADDRSTRLEN #define INET6_ADDRSTRLEN 46 #endif static BOOL open_connection( request_t *request ) { connect_t *connect; const void *addr; char address[INET6_ADDRSTRLEN]; WCHAR *addressW; INTERNET_PORT port; socklen_t slen; if (netconn_connected( &request->netconn )) return TRUE; connect = request->connect; port = connect->serverport ? connect->serverport : (request->hdr.flags & WINHTTP_FLAG_SECURE ? 443 : 80); send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESOLVING_NAME, connect->servername, strlenW(connect->servername) + 1 ); slen = sizeof(connect->sockaddr); if (!netconn_resolve( connect->servername, port, (struct sockaddr *)&connect->sockaddr, &slen )) return FALSE; switch (connect->sockaddr.ss_family) { case AF_INET: addr = &((struct sockaddr_in *)&connect->sockaddr)->sin_addr; break; case AF_INET6: addr = &((struct sockaddr_in6 *)&connect->sockaddr)->sin6_addr; break; default: WARN("unsupported address family %d\n", connect->sockaddr.ss_family); return FALSE; } inet_ntop( connect->sockaddr.ss_family, addr, address, sizeof(address) ); addressW = strdupAW( address ); send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_NAME_RESOLVED, addressW, strlenW(addressW) + 1 ); TRACE("connecting to %s:%u\n", address, port); send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, addressW, 0 ); if (!netconn_create( &request->netconn, connect->sockaddr.ss_family, SOCK_STREAM, 0 )) { heap_free( addressW ); return FALSE; } netconn_set_timeout( &request->netconn, TRUE, request->send_timeout ); netconn_set_timeout( &request->netconn, FALSE, request->recv_timeout ); if (!netconn_connect( &request->netconn, (struct sockaddr *)&connect->sockaddr, slen, request->connect_timeout )) { netconn_close( &request->netconn ); heap_free( addressW ); return FALSE; } if (request->hdr.flags & WINHTTP_FLAG_SECURE) { if (connect->session->proxy_server && strcmpiW( connect->hostname, connect->servername )) { if (!secure_proxy_connect( request )) { heap_free( addressW ); return FALSE; } } if (!netconn_secure_connect( &request->netconn )) { netconn_close( &request->netconn ); heap_free( addressW ); return FALSE; } } send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, addressW, strlenW(addressW) + 1 ); heap_free( addressW ); return TRUE; } void close_connection( request_t *request ) { if (!netconn_connected( &request->netconn )) return; send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION, 0, 0 ); netconn_close( &request->netconn ); send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED, 0, 0 ); } static BOOL add_host_header( request_t *request, DWORD modifier ) { BOOL ret; DWORD len; WCHAR *host; static const WCHAR fmt[] = {'%','s',':','%','u',0}; connect_t *connect = request->connect; INTERNET_PORT port; port = connect->hostport ? connect->hostport : (request->hdr.flags & WINHTTP_FLAG_SECURE ? 443 : 80); if (port == INTERNET_DEFAULT_HTTP_PORT || port == INTERNET_DEFAULT_HTTPS_PORT) { return process_header( request, attr_host, connect->hostname, modifier, TRUE ); } len = strlenW( connect->hostname ) + 7; /* sizeof(":65335") */ if (!(host = heap_alloc( len * sizeof(WCHAR) ))) return FALSE; sprintfW( host, fmt, connect->hostname, port ); ret = process_header( request, attr_host, host, modifier, TRUE ); heap_free( host ); return ret; } static BOOL send_request( request_t *request, LPCWSTR headers, DWORD headers_len, LPVOID optional, DWORD optional_len, DWORD total_len, DWORD_PTR context, BOOL async ) { static const WCHAR keep_alive[] = {'K','e','e','p','-','A','l','i','v','e',0}; static const WCHAR no_cache[] = {'n','o','-','c','a','c','h','e',0}; static const WCHAR length_fmt[] = {'%','l','d',0}; BOOL ret = FALSE; connect_t *connect = request->connect; session_t *session = connect->session; WCHAR *req = NULL; char *req_ascii; int bytes_sent; DWORD len; if (session->agent) process_header( request, attr_user_agent, session->agent, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE ); if (connect->hostname) add_host_header( request, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW ); if (total_len || (request->verb && !strcmpW( request->verb, postW ))) { WCHAR length[21]; /* decimal long int + null */ sprintfW( length, length_fmt, total_len ); process_header( request, attr_content_length, length, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE ); } if (!(request->hdr.disable_flags & WINHTTP_DISABLE_KEEP_ALIVE)) { process_header( request, attr_connection, keep_alive, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE ); } if (request->hdr.flags & WINHTTP_FLAG_REFRESH) { process_header( request, attr_pragma, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE ); process_header( request, attr_cache_control, no_cache, WINHTTP_ADDREQ_FLAG_ADD_IF_NEW, TRUE ); } if (headers && !add_request_headers( request, headers, headers_len, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE )) { TRACE("failed to add request headers\n"); return FALSE; } if (!(request->hdr.disable_flags & WINHTTP_DISABLE_COOKIES) && !add_cookie_headers( request )) { WARN("failed to add cookie headers\n"); return FALSE; } if (!(ret = open_connection( request ))) goto end; if (!(req = build_request_string( request ))) goto end; if (!(req_ascii = strdupWA( req ))) goto end; TRACE("full request: %s\n", debugstr_a(req_ascii)); len = strlen(req_ascii); send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, NULL, 0 ); ret = netconn_send( &request->netconn, req_ascii, len, 0, &bytes_sent ); heap_free( req_ascii ); if (!ret) goto end; if (optional_len && !netconn_send( &request->netconn, optional, optional_len, 0, &bytes_sent )) goto end; len += optional_len; send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_SENT, &len, sizeof(DWORD) ); end: if (async) { if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_SENDREQUEST_COMPLETE, NULL, 0 ); else { WINHTTP_ASYNC_RESULT result; result.dwResult = API_SEND_REQUEST; result.dwError = get_last_error(); send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) ); } } heap_free( req ); return ret; } static void task_send_request( task_header_t *task ) { send_request_t *s = (send_request_t *)task; send_request( s->hdr.request, s->headers, s->headers_len, s->optional, s->optional_len, s->total_len, s->context, TRUE ); heap_free( s->headers ); } /*********************************************************************** * WinHttpSendRequest (winhttp.@) */ BOOL WINAPI WinHttpSendRequest( HINTERNET hrequest, LPCWSTR headers, DWORD headers_len, LPVOID optional, DWORD optional_len, DWORD total_len, DWORD_PTR context ) { BOOL ret; request_t *request; TRACE("%p, %s, 0x%x, %u, %u, %lx\n", hrequest, debugstr_w(headers), headers_len, optional_len, total_len, context); if (!(request = (request_t *)grab_object( hrequest ))) { set_last_error( ERROR_INVALID_HANDLE ); return FALSE; } if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST) { release_object( &request->hdr ); set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE ); return FALSE; } if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC) { send_request_t *s; if (!(s = heap_alloc( sizeof(send_request_t) ))) return FALSE; s->hdr.request = request; s->hdr.proc = task_send_request; s->headers = strdupW( headers ); s->headers_len = headers_len; s->optional = optional; s->optional_len = optional_len; s->total_len = total_len; s->context = context; addref_object( &request->hdr ); ret = queue_task( (task_header_t *)s ); } else ret = send_request( request, headers, headers_len, optional, optional_len, total_len, context, FALSE ); release_object( &request->hdr ); return ret; } static void clear_response_headers( request_t *request ) { unsigned int i; for (i = 0; i < request->num_headers; i++) { if (!request->headers[i].field) continue; if (!request->headers[i].value) continue; if (request->headers[i].is_request) continue; delete_header( request, i ); i--; } } #define MAX_REPLY_LEN 1460 #define INITIAL_HEADER_BUFFER_LEN 512 static BOOL read_reply( request_t *request ) { static const WCHAR crlf[] = {'\r','\n',0}; char buffer[MAX_REPLY_LEN]; DWORD buflen, len, offset, received_len, crlf_len = 2; /* strlenW(crlf) */ char *status_code, *status_text; WCHAR *versionW, *status_textW, *raw_headers; WCHAR status_codeW[4]; /* sizeof("nnn") */ if (!netconn_connected( &request->netconn )) return FALSE; send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, NULL, 0 ); received_len = 0; do { buflen = MAX_REPLY_LEN; if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) return FALSE; received_len += buflen; /* first line should look like 'HTTP/1.x nnn OK' where nnn is the status code */ if (!(status_code = strchr( buffer, ' ' ))) return FALSE; status_code++; if (!(status_text = strchr( status_code, ' ' ))) return FALSE; if ((len = status_text - status_code) != sizeof("nnn") - 1) return FALSE; status_text++; TRACE("version [%s] status code [%s] status text [%s]\n", debugstr_an(buffer, status_code - buffer - 1), debugstr_an(status_code, len), debugstr_a(status_text)); } while (!memcmp( status_code, "100", len )); /* ignore "100 Continue" responses */ /* we rely on the fact that the protocol is ascii */ MultiByteToWideChar( CP_ACP, 0, status_code, len, status_codeW, len ); status_codeW[len] = 0; if (!(process_header( request, attr_status, status_codeW, WINHTTP_ADDREQ_FLAG_REPLACE, FALSE ))) return FALSE; len = status_code - buffer; if (!(versionW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE; MultiByteToWideChar( CP_ACP, 0, buffer, len - 1, versionW, len -1 ); versionW[len - 1] = 0; heap_free( request->version ); request->version = versionW; len = buflen - (status_text - buffer); if (!(status_textW = heap_alloc( len * sizeof(WCHAR) ))) return FALSE; MultiByteToWideChar( CP_ACP, 0, status_text, len, status_textW, len ); heap_free( request->status_text ); request->status_text = status_textW; len = max( buflen + crlf_len, INITIAL_HEADER_BUFFER_LEN ); if (!(raw_headers = heap_alloc( len * sizeof(WCHAR) ))) return FALSE; MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers, buflen ); memcpy( raw_headers + buflen - 1, crlf, sizeof(crlf) ); heap_free( request->raw_headers ); request->raw_headers = raw_headers; offset = buflen + crlf_len - 1; for (;;) { header_t *header; buflen = MAX_REPLY_LEN; if (!netconn_get_next_line( &request->netconn, buffer, &buflen )) goto end; received_len += buflen; if (!*buffer) break; while (len - offset < buflen + crlf_len) { WCHAR *tmp; len *= 2; if (!(tmp = heap_realloc( raw_headers, len * sizeof(WCHAR) ))) return FALSE; request->raw_headers = raw_headers = tmp; } MultiByteToWideChar( CP_ACP, 0, buffer, buflen, raw_headers + offset, buflen ); if (!(header = parse_header( raw_headers + offset ))) break; if (!(process_header( request, header->field, header->value, WINHTTP_ADDREQ_FLAG_ADD, FALSE ))) { free_header( header ); break; } free_header( header ); memcpy( raw_headers + offset + buflen - 1, crlf, sizeof(crlf) ); offset += buflen + crlf_len - 1; } TRACE("raw headers: %s\n", debugstr_w(raw_headers)); end: send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, &received_len, sizeof(DWORD) ); return TRUE; } static BOOL handle_redirect( request_t *request ) { BOOL ret = FALSE; DWORD size, len; URL_COMPONENTS uc; connect_t *connect = request->connect; INTERNET_PORT port; WCHAR *hostname = NULL, *location = NULL; int index; size = 0; query_headers( request, WINHTTP_QUERY_LOCATION, NULL, NULL, &size, NULL ); if (!(location = heap_alloc( size ))) return FALSE; if (!query_headers( request, WINHTTP_QUERY_LOCATION, NULL, location, &size, NULL )) goto end; send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REDIRECT, location, size / sizeof(WCHAR) + 1 ); memset( &uc, 0, sizeof(uc) ); uc.dwStructSize = sizeof(uc); uc.dwSchemeLength = uc.dwHostNameLength = uc.dwUrlPathLength = uc.dwExtraInfoLength = ~0u; if (!WinHttpCrackUrl( location, size / sizeof(WCHAR), 0, &uc )) /* assume relative redirect */ { WCHAR *path, *p; len = strlenW( location ) + 1; if (location[0] != '/') len++; if (!(p = path = heap_alloc( len * sizeof(WCHAR) ))) goto end; if (location[0] != '/') *p++ = '/'; strcpyW( p, location ); heap_free( request->path ); request->path = path; } else { if (uc.nScheme == INTERNET_SCHEME_HTTP && request->hdr.flags & WINHTTP_FLAG_SECURE) { TRACE("redirect from secure page to non-secure page\n"); request->hdr.flags &= ~WINHTTP_FLAG_SECURE; } else if (uc.nScheme == INTERNET_SCHEME_HTTPS && !(request->hdr.flags & WINHTTP_FLAG_SECURE)) { TRACE("redirect from non-secure page to secure page\n"); request->hdr.flags |= WINHTTP_FLAG_SECURE; } len = uc.dwHostNameLength; if (!(hostname = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end; memcpy( hostname, uc.lpszHostName, len * sizeof(WCHAR) ); hostname[len] = 0; port = uc.nPort ? uc.nPort : (uc.nScheme == INTERNET_SCHEME_HTTPS ? 443 : 80); if (strcmpiW( connect->hostname, hostname ) || connect->serverport != port) { heap_free( connect->hostname ); connect->hostname = hostname; connect->hostport = port; if (!(ret = set_server_for_hostname( connect, hostname, port ))) goto end; netconn_close( &request->netconn ); if (!(ret = netconn_init( &request->netconn, request->hdr.flags & WINHTTP_FLAG_SECURE ))) goto end; } if (!(ret = add_host_header( request, WINHTTP_ADDREQ_FLAG_REPLACE ))) goto end; if (!(ret = open_connection( request ))) goto end; heap_free( request->path ); request->path = NULL; if (uc.dwUrlPathLength) { len = uc.dwUrlPathLength + uc.dwExtraInfoLength; if (!(request->path = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto end; strcpyW( request->path, uc.lpszUrlPath ); } else request->path = strdupW( slashW ); } /* remove content-type/length headers */ if ((index = get_header_index( request, attr_content_type, 0, TRUE )) >= 0) delete_header( request, index ); if ((index = get_header_index( request, attr_content_length, 0, TRUE )) >= 0 ) delete_header( request, index ); /* redirects are always GET requests */ heap_free( request->verb ); request->verb = strdupW( getW ); ret = TRUE; end: if (!ret) heap_free( hostname ); heap_free( location ); return ret; } static BOOL receive_data( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async ) { DWORD to_read; int bytes_read; to_read = min( size, request->content_length - request->content_read ); if (!netconn_recv( &request->netconn, buffer, to_read, async ? 0 : MSG_WAITALL, &bytes_read )) { if (bytes_read != to_read) { ERR("not all data received %d/%d\n", bytes_read, to_read); } /* always return success, even if the network layer returns an error */ *read = 0; return TRUE; } request->content_read += bytes_read; *read = bytes_read; return TRUE; } static DWORD get_chunk_size( const char *buffer ) { const char *p; DWORD size = 0; for (p = buffer; *p; p++) { if (*p >= '0' && *p <= '9') size = size * 16 + *p - '0'; else if (*p >= 'a' && *p <= 'f') size = size * 16 + *p - 'a' + 10; else if (*p >= 'A' && *p <= 'F') size = size * 16 + *p - 'A' + 10; else if (*p == ';') break; } return size; } static BOOL receive_data_chunked( request_t *request, void *buffer, DWORD size, DWORD *read, BOOL async ) { char reply[MAX_REPLY_LEN], *p = buffer; DWORD buflen, to_read, to_write = size; int bytes_read; *read = 0; for (;;) { if (*read == size) break; if (request->content_length == ~0u) /* new chunk */ { buflen = sizeof(reply); if (!netconn_get_next_line( &request->netconn, reply, &buflen )) break; if (!(request->content_length = get_chunk_size( reply ))) { /* zero sized chunk marks end of transfer; read any trailing headers and return */ read_reply( request ); break; } } to_read = min( to_write, request->content_length - request->content_read ); if (!netconn_recv( &request->netconn, p, to_read, async ? 0 : MSG_WAITALL, &bytes_read )) { if (bytes_read != to_read) { ERR("Not all data received %d/%d\n", bytes_read, to_read); } /* always return success, even if the network layer returns an error */ *read = 0; break; } if (!bytes_read) break; request->content_read += bytes_read; to_write -= bytes_read; *read += bytes_read; p += bytes_read; if (request->content_read == request->content_length) /* chunk complete */ { request->content_read = 0; request->content_length = ~0u; buflen = sizeof(reply); if (!netconn_get_next_line( &request->netconn, reply, &buflen )) { ERR("Malformed chunk\n"); *read = 0; break; } } } return TRUE; } static void finished_reading( request_t *request ) { static const WCHAR closeW[] = {'c','l','o','s','e',0}; BOOL close = FALSE; WCHAR connection[20]; DWORD size = sizeof(connection); if (request->hdr.disable_flags & WINHTTP_DISABLE_KEEP_ALIVE) close = TRUE; else if (query_headers( request, WINHTTP_QUERY_CONNECTION, NULL, connection, &size, NULL ) || query_headers( request, WINHTTP_QUERY_PROXY_CONNECTION, NULL, connection, &size, NULL )) { if (!strcmpiW( connection, closeW )) close = TRUE; } else if (!strcmpW( request->version, http1_0 )) close = TRUE; if (close) close_connection( request ); request->content_length = ~0u; request->content_read = 0; } static BOOL read_data( request_t *request, void *buffer, DWORD to_read, DWORD *read, BOOL async ) { static const WCHAR chunked[] = {'c','h','u','n','k','e','d',0}; BOOL ret; WCHAR encoding[20]; DWORD num_bytes, buflen = sizeof(encoding); if (query_headers( request, WINHTTP_QUERY_TRANSFER_ENCODING, NULL, encoding, &buflen, NULL ) && !strcmpiW( encoding, chunked )) { ret = receive_data_chunked( request, buffer, to_read, &num_bytes, async ); } else ret = receive_data( request, buffer, to_read, &num_bytes, async ); if (async) { if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_READ_COMPLETE, buffer, num_bytes ); else { WINHTTP_ASYNC_RESULT result; result.dwResult = API_READ_DATA; result.dwError = get_last_error(); send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) ); } } if (ret) { if (read) *read = num_bytes; if (!num_bytes) finished_reading( request ); } return ret; } /* read any content returned by the server so that the connection can be reused */ static void drain_content( request_t *request ) { DWORD bytes_read; char buffer[2048]; if (!request->content_length) return; for (;;) { if (!read_data( request, buffer, sizeof(buffer), &bytes_read, FALSE ) || !bytes_read) return; } } static void record_cookies( request_t *request ) { unsigned int i; for (i = 0; i < request->num_headers; i++) { header_t *set_cookie = &request->headers[i]; if (!strcmpiW( set_cookie->field, attr_set_cookie ) && !set_cookie->is_request) { set_cookies( request, set_cookie->value ); } } } static BOOL receive_response( request_t *request, BOOL async ) { BOOL ret; DWORD size, query, status; for (;;) { if (!(ret = read_reply( request ))) break; size = sizeof(DWORD); query = WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER; if (!(ret = query_headers( request, query, NULL, &status, &size, NULL ))) break; size = sizeof(DWORD); query = WINHTTP_QUERY_CONTENT_LENGTH | WINHTTP_QUERY_FLAG_NUMBER; if (!query_headers( request, query, NULL, &request->content_length, &size, NULL )) request->content_length = ~0u; if (!(request->hdr.disable_flags & WINHTTP_DISABLE_COOKIES)) record_cookies( request ); if (status == 301 || status == 302) { if (request->hdr.disable_flags & WINHTTP_DISABLE_REDIRECTS) break; drain_content( request ); if (!(ret = handle_redirect( request ))) break; clear_response_headers( request ); ret = send_request( request, NULL, 0, NULL, 0, 0, 0, FALSE ); /* recurse synchronously */ continue; } if (status == 401) FIXME("authentication not supported\n"); break; } if (async) { if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_HEADERS_AVAILABLE, NULL, 0 ); else { WINHTTP_ASYNC_RESULT result; result.dwResult = API_RECEIVE_RESPONSE; result.dwError = get_last_error(); send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) ); } } return ret; } static void task_receive_response( task_header_t *task ) { receive_response_t *r = (receive_response_t *)task; receive_response( r->hdr.request, TRUE ); } /*********************************************************************** * WinHttpReceiveResponse (winhttp.@) */ BOOL WINAPI WinHttpReceiveResponse( HINTERNET hrequest, LPVOID reserved ) { BOOL ret; request_t *request; TRACE("%p, %p\n", hrequest, reserved); if (!(request = (request_t *)grab_object( hrequest ))) { set_last_error( ERROR_INVALID_HANDLE ); return FALSE; } if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST) { release_object( &request->hdr ); set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE ); return FALSE; } if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC) { receive_response_t *r; if (!(r = heap_alloc( sizeof(receive_response_t) ))) return FALSE; r->hdr.request = request; r->hdr.proc = task_receive_response; addref_object( &request->hdr ); ret = queue_task( (task_header_t *)r ); } else ret = receive_response( request, FALSE ); release_object( &request->hdr ); return ret; } static BOOL query_data( request_t *request, LPDWORD available, BOOL async ) { BOOL ret; DWORD num_bytes; if ((ret = netconn_query_data_available( &request->netconn, &num_bytes ))) { if (request->content_read < request->content_length) { if (!num_bytes) { char buffer[4096]; size_t to_read = min( sizeof(buffer), request->content_length - request->content_read ); ret = netconn_recv( &request->netconn, buffer, to_read, MSG_PEEK, (int *)&num_bytes ); if (ret && !num_bytes) WARN("expected more data to be available\n"); } } else if (num_bytes) { WARN("extra data available %u\n", num_bytes); ret = FALSE; } } TRACE("%u bytes available\n", num_bytes); if (async) { if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_DATA_AVAILABLE, &num_bytes, sizeof(DWORD) ); else { WINHTTP_ASYNC_RESULT result; result.dwResult = API_QUERY_DATA_AVAILABLE; result.dwError = get_last_error(); send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) ); } } if (ret && available) *available = num_bytes; return ret; } static void task_query_data( task_header_t *task ) { query_data_t *q = (query_data_t *)task; query_data( q->hdr.request, q->available, TRUE ); } /*********************************************************************** * WinHttpQueryDataAvailable (winhttp.@) */ BOOL WINAPI WinHttpQueryDataAvailable( HINTERNET hrequest, LPDWORD available ) { BOOL ret; request_t *request; TRACE("%p, %p\n", hrequest, available); if (!(request = (request_t *)grab_object( hrequest ))) { set_last_error( ERROR_INVALID_HANDLE ); return FALSE; } if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST) { release_object( &request->hdr ); set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE ); return FALSE; } if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC) { query_data_t *q; if (!(q = heap_alloc( sizeof(query_data_t) ))) return FALSE; q->hdr.request = request; q->hdr.proc = task_query_data; q->available = available; addref_object( &request->hdr ); ret = queue_task( (task_header_t *)q ); } else ret = query_data( request, available, FALSE ); release_object( &request->hdr ); return ret; } static void task_read_data( task_header_t *task ) { read_data_t *r = (read_data_t *)task; read_data( r->hdr.request, r->buffer, r->to_read, r->read, TRUE ); } /*********************************************************************** * WinHttpReadData (winhttp.@) */ BOOL WINAPI WinHttpReadData( HINTERNET hrequest, LPVOID buffer, DWORD to_read, LPDWORD read ) { BOOL ret; request_t *request; TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_read, read); if (!(request = (request_t *)grab_object( hrequest ))) { set_last_error( ERROR_INVALID_HANDLE ); return FALSE; } if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST) { release_object( &request->hdr ); set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE ); return FALSE; } if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC) { read_data_t *r; if (!(r = heap_alloc( sizeof(read_data_t) ))) return FALSE; r->hdr.request = request; r->hdr.proc = task_read_data; r->buffer = buffer; r->to_read = to_read; r->read = read; addref_object( &request->hdr ); ret = queue_task( (task_header_t *)r ); } else ret = read_data( request, buffer, to_read, read, FALSE ); release_object( &request->hdr ); return ret; } static BOOL write_data( request_t *request, LPCVOID buffer, DWORD to_write, LPDWORD written, BOOL async ) { BOOL ret; int num_bytes; ret = netconn_send( &request->netconn, buffer, to_write, 0, &num_bytes ); if (async) { if (ret) send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_WRITE_COMPLETE, &num_bytes, sizeof(DWORD) ); else { WINHTTP_ASYNC_RESULT result; result.dwResult = API_WRITE_DATA; result.dwError = get_last_error(); send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_ERROR, &result, sizeof(result) ); } } if (ret && written) *written = num_bytes; return ret; } static void task_write_data( task_header_t *task ) { write_data_t *w = (write_data_t *)task; write_data( w->hdr.request, w->buffer, w->to_write, w->written, TRUE ); } /*********************************************************************** * WinHttpWriteData (winhttp.@) */ BOOL WINAPI WinHttpWriteData( HINTERNET hrequest, LPCVOID buffer, DWORD to_write, LPDWORD written ) { BOOL ret; request_t *request; TRACE("%p, %p, %d, %p\n", hrequest, buffer, to_write, written); if (!(request = (request_t *)grab_object( hrequest ))) { set_last_error( ERROR_INVALID_HANDLE ); return FALSE; } if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST) { release_object( &request->hdr ); set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE ); return FALSE; } if (request->connect->hdr.flags & WINHTTP_FLAG_ASYNC) { write_data_t *w; if (!(w = heap_alloc( sizeof(write_data_t) ))) return FALSE; w->hdr.request = request; w->hdr.proc = task_write_data; w->buffer = buffer; w->to_write = to_write; w->written = written; addref_object( &request->hdr ); ret = queue_task( (task_header_t *)w ); } else ret = write_data( request, buffer, to_write, written, FALSE ); release_object( &request->hdr ); return ret; } #define ARRAYSIZE(array) (sizeof(array) / sizeof((array)[0])) static DWORD auth_scheme_from_header( WCHAR *header ) { static const WCHAR basic[] = {'B','a','s','i','c'}; static const WCHAR ntlm[] = {'N','T','L','M'}; static const WCHAR passport[] = {'P','a','s','s','p','o','r','t'}; static const WCHAR digest[] = {'D','i','g','e','s','t'}; static const WCHAR negotiate[] = {'N','e','g','o','t','i','a','t','e'}; if (!strncmpiW( header, basic, ARRAYSIZE(basic) ) && (header[ARRAYSIZE(basic)] == ' ' || !header[ARRAYSIZE(basic)])) return WINHTTP_AUTH_SCHEME_BASIC; if (!strncmpiW( header, ntlm, ARRAYSIZE(ntlm) ) && (header[ARRAYSIZE(ntlm)] == ' ' || !header[ARRAYSIZE(ntlm)])) return WINHTTP_AUTH_SCHEME_NTLM; if (!strncmpiW( header, passport, ARRAYSIZE(passport) ) && (header[ARRAYSIZE(passport)] == ' ' || !header[ARRAYSIZE(passport)])) return WINHTTP_AUTH_SCHEME_PASSPORT; if (!strncmpiW( header, digest, ARRAYSIZE(digest) ) && (header[ARRAYSIZE(digest)] == ' ' || !header[ARRAYSIZE(digest)])) return WINHTTP_AUTH_SCHEME_DIGEST; if (!strncmpiW( header, negotiate, ARRAYSIZE(negotiate) ) && (header[ARRAYSIZE(negotiate)] == ' ' || !header[ARRAYSIZE(negotiate)])) return WINHTTP_AUTH_SCHEME_NEGOTIATE; return 0; } static BOOL query_auth_schemes( request_t *request, DWORD level, LPDWORD supported, LPDWORD first ) { DWORD index = 0; BOOL ret = FALSE; for (;;) { WCHAR *buffer; DWORD size, scheme; size = 0; query_headers( request, level, NULL, NULL, &size, &index ); if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) break; index--; if (!(buffer = heap_alloc( size ))) return FALSE; if (!query_headers( request, level, NULL, buffer, &size, &index )) { heap_free( buffer ); return FALSE; } scheme = auth_scheme_from_header( buffer ); if (index == 1) *first = scheme; *supported |= scheme; heap_free( buffer ); ret = TRUE; } return ret; } /*********************************************************************** * WinHttpQueryAuthSchemes (winhttp.@) */ BOOL WINAPI WinHttpQueryAuthSchemes( HINTERNET hrequest, LPDWORD supported, LPDWORD first, LPDWORD target ) { BOOL ret = FALSE; request_t *request; TRACE("%p, %p, %p, %p\n", hrequest, supported, first, target); if (!(request = (request_t *)grab_object( hrequest ))) { set_last_error( ERROR_INVALID_HANDLE ); return FALSE; } if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST) { release_object( &request->hdr ); set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE ); return FALSE; } if (query_auth_schemes( request, WINHTTP_QUERY_WWW_AUTHENTICATE, supported, first )) { *target = WINHTTP_AUTH_TARGET_SERVER; ret = TRUE; } else if (query_auth_schemes( request, WINHTTP_QUERY_PROXY_AUTHENTICATE, supported, first )) { *target = WINHTTP_AUTH_TARGET_PROXY; ret = TRUE; } release_object( &request->hdr ); return ret; } static UINT encode_base64( const char *bin, unsigned int len, WCHAR *base64 ) { UINT n = 0, x; static const char base64enc[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; while (len > 0) { /* first 6 bits, all from bin[0] */ base64[n++] = base64enc[(bin[0] & 0xfc) >> 2]; x = (bin[0] & 3) << 4; /* next 6 bits, 2 from bin[0] and 4 from bin[1] */ if (len == 1) { base64[n++] = base64enc[x]; base64[n++] = '='; base64[n++] = '='; break; } base64[n++] = base64enc[x | ((bin[1] & 0xf0) >> 4)]; x = (bin[1] & 0x0f) << 2; /* next 6 bits 4 from bin[1] and 2 from bin[2] */ if (len == 2) { base64[n++] = base64enc[x]; base64[n++] = '='; break; } base64[n++] = base64enc[x | ((bin[2] & 0xc0) >> 6)]; /* last 6 bits, all from bin [2] */ base64[n++] = base64enc[bin[2] & 0x3f]; bin += 3; len -= 3; } base64[n] = 0; return n; } static BOOL set_credentials( request_t *request, DWORD target, DWORD scheme, LPCWSTR username, LPCWSTR password ) { static const WCHAR basic[] = {'B','a','s','i','c',' ',0}; const WCHAR *auth_scheme, *auth_target; WCHAR *auth_header; DWORD len, auth_data_len; char *auth_data; BOOL ret; switch (target) { case WINHTTP_AUTH_TARGET_SERVER: auth_target = attr_authorization; break; case WINHTTP_AUTH_TARGET_PROXY: auth_target = attr_proxy_authorization; break; default: WARN("unknown target %x\n", target); return FALSE; } switch (scheme) { case WINHTTP_AUTH_SCHEME_BASIC: { int userlen = WideCharToMultiByte( CP_UTF8, 0, username, strlenW( username ), NULL, 0, NULL, NULL ); int passlen = WideCharToMultiByte( CP_UTF8, 0, password, strlenW( password ), NULL, 0, NULL, NULL ); TRACE("basic authentication\n"); auth_scheme = basic; auth_data_len = userlen + 1 + passlen; if (!(auth_data = heap_alloc( auth_data_len ))) return FALSE; WideCharToMultiByte( CP_UTF8, 0, username, -1, auth_data, userlen, NULL, NULL ); auth_data[userlen] = ':'; WideCharToMultiByte( CP_UTF8, 0, password, -1, auth_data + userlen + 1, passlen, NULL, NULL ); break; } case WINHTTP_AUTH_SCHEME_NTLM: case WINHTTP_AUTH_SCHEME_PASSPORT: case WINHTTP_AUTH_SCHEME_DIGEST: case WINHTTP_AUTH_SCHEME_NEGOTIATE: FIXME("unimplemented authentication scheme %x\n", scheme); return FALSE; default: WARN("unknown authentication scheme %x\n", scheme); return FALSE; } len = strlenW( auth_scheme ) + ((auth_data_len + 2) * 4) / 3; if (!(auth_header = heap_alloc( (len + 1) * sizeof(WCHAR) ))) { heap_free( auth_data ); return FALSE; } strcpyW( auth_header, auth_scheme ); encode_base64( auth_data, auth_data_len, auth_header + strlenW( auth_header ) ); ret = process_header( request, auth_target, auth_header, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE, TRUE ); heap_free( auth_data ); heap_free( auth_header ); return ret; } /*********************************************************************** * WinHttpSetCredentials (winhttp.@) */ BOOL WINAPI WinHttpSetCredentials( HINTERNET hrequest, DWORD target, DWORD scheme, LPCWSTR username, LPCWSTR password, LPVOID params ) { BOOL ret; request_t *request; TRACE("%p, %x, 0x%08x, %s, %p, %p\n", hrequest, target, scheme, debugstr_w(username), password, params); if (!(request = (request_t *)grab_object( hrequest ))) { set_last_error( ERROR_INVALID_HANDLE ); return FALSE; } if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST) { release_object( &request->hdr ); set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE ); return FALSE; } ret = set_credentials( request, target, scheme, username, password ); release_object( &request->hdr ); return ret; }