static int do_txrx_work(struct s3c2410_spi *device) { dprintf("%s: called\n", __func__); struct stream_interface *txsi = &device->tx; struct stream_interface *rxsi = &device->rx; struct stream_pkt *tx_pkt = stream_get_head(txsi); struct stream_pkt *rx_pkt = stream_get_head(rxsi); /* * tx phase - this triggers the SPI device to push data * into the rx_data register also * * XXX: checks and asserts? - nt * XXX: I don't even know if stream_pkt make sense for SPI */ if (tx_pkt != NULL) sptdat_set_txdata(tx_pkt->data[tx_pkt->xferred++]); else sptdat_set_txdata(0xff); /* write dummy data */ /* rx phase * * XXX: see tx phase - nt */ if (rx_pkt != NULL) rx_pkt->data[rx_pkt->xferred++] = sprdat_get_rxdata(); return 0; }
int credssp_client_authenticate(rdpCredssp* credssp) { NTLMSSP* ntlmssp = credssp->ntlmssp; STREAM* s = stream_new(0); uint8* negoTokenBuffer = (uint8*) xmalloc(2048); if (credssp_ntlmssp_client_init(credssp) == 0) return 0; /* NTLMSSP NEGOTIATE MESSAGE */ stream_attach(s, negoTokenBuffer, 2048); ntlmssp_send(ntlmssp, s); credssp->negoToken.data = stream_get_head(s); credssp->negoToken.length = stream_get_length(s); credssp_send(credssp, &credssp->negoToken, NULL, NULL); /* NTLMSSP CHALLENGE MESSAGE */ if (credssp_recv(credssp, &credssp->negoToken, NULL, NULL) < 0) return -1; stream_attach(s, credssp->negoToken.data, credssp->negoToken.length); ntlmssp_recv(ntlmssp, s); freerdp_blob_free(&credssp->negoToken); /* NTLMSSP AUTHENTICATE MESSAGE */ stream_attach(s, negoTokenBuffer, 2048); ntlmssp_send(ntlmssp, s); /* The last NTLMSSP message is sent with the encrypted public key */ credssp->negoToken.data = stream_get_head(s); credssp->negoToken.length = stream_get_length(s); credssp_encrypt_public_key(credssp, &credssp->pubKeyAuth); credssp_send(credssp, &credssp->negoToken, NULL, &credssp->pubKeyAuth); freerdp_blob_free(&credssp->pubKeyAuth); /* Encrypted Public Key +1 */ if (credssp_recv(credssp, &credssp->negoToken, NULL, &credssp->pubKeyAuth) < 0) return -1; if (credssp_verify_public_key(credssp, &credssp->pubKeyAuth) == 0) { /* Failed to verify server public key echo */ return 0; /* DO NOT SEND CREDENTIALS! */ } freerdp_blob_free(&credssp->negoToken); freerdp_blob_free(&credssp->pubKeyAuth); /* Send encrypted credentials */ credssp_encode_ts_credentials(credssp); credssp_encrypt_ts_credentials(credssp, &credssp->authInfo); credssp_send(credssp, NULL, &credssp->authInfo, NULL); freerdp_blob_free(&credssp->authInfo); xfree(s); return 1; }
static void test_peer_draw_icon(freerdp_peer* client, int x, int y) { testPeerContext* context = (testPeerContext*) client->context; rdpUpdate* update = client->update; SURFACE_BITS_COMMAND* cmd = &update->surface_bits_command; RFX_RECT rect; STREAM* s; if (client->update->dump_rfx) return; if (!client->settings->rfx_codec || !context) return; if (context->icon_width < 1 || !context->activated) return; rect.x = 0; rect.y = 0; rect.width = context->icon_width; rect.height = context->icon_height; if (context->icon_x >= 0) { s = test_peer_stream_init(context); rfx_compose_message(context->rfx_context, s, &rect, 1, context->bg_data, rect.width, rect.height, rect.width * 3); cmd->destLeft = context->icon_x; cmd->destTop = context->icon_y; cmd->destRight = context->icon_x + context->icon_width; cmd->destBottom = context->icon_y + context->icon_height; cmd->bpp = 32; cmd->codecID = client->settings->rfx_codec_id; cmd->width = context->icon_width; cmd->height = context->icon_height; cmd->bitmapDataLength = stream_get_length(s); cmd->bitmapData = stream_get_head(s); update->SurfaceBits(update->context, cmd); } s = test_peer_stream_init(context); rfx_compose_message(context->rfx_context, s, &rect, 1, context->icon_data, rect.width, rect.height, rect.width * 3); cmd->destLeft = x; cmd->destTop = y; cmd->destRight = x + context->icon_width; cmd->destBottom = y + context->icon_height; cmd->bpp = 32; cmd->codecID = client->settings->rfx_codec_id; cmd->width = context->icon_width; cmd->height = context->icon_height; cmd->bitmapDataLength = stream_get_length(s); cmd->bitmapData = stream_get_head(s); update->SurfaceBits(update->context, cmd); context->icon_x = x; context->icon_y = y; }
static void* tf_debug_channel_thread_func(void* arg) { void* fd; STREAM* s; void* buffer; UINT32 bytes_returned = 0; testPeerContext* context = (testPeerContext*) arg; freerdp_thread* thread = context->debug_channel_thread; if (WTSVirtualChannelQuery(context->debug_channel, WTSVirtualFileHandle, &buffer, &bytes_returned) == TRUE) { fd = *((void**) buffer); WTSFreeMemory(buffer); thread->signals[thread->num_signals++] = CreateFileDescriptorEvent(NULL, TRUE, FALSE, ((int) (long) fd)); } s = stream_new(4096); WTSVirtualChannelWrite(context->debug_channel, (BYTE*) "test1", 5, NULL); while (1) { freerdp_thread_wait(thread); if (freerdp_thread_is_stopped(thread)) break; stream_set_pos(s, 0); if (WTSVirtualChannelRead(context->debug_channel, 0, stream_get_head(s), stream_get_size(s), &bytes_returned) == FALSE) { if (bytes_returned == 0) break; stream_check_size(s, bytes_returned); if (WTSVirtualChannelRead(context->debug_channel, 0, stream_get_head(s), stream_get_size(s), &bytes_returned) == FALSE) { /* should not happen */ break; } } stream_set_pos(s, bytes_returned); printf("got %d bytes\n", bytes_returned); } stream_free(s); freerdp_thread_quit(thread); return 0; }
static void* tf_debug_channel_thread_func(void* arg) { void* fd; STREAM* s; void* buffer; uint32 bytes_returned = 0; testPeerContext* context = (testPeerContext*) arg; freerdp_thread* thread = context->debug_channel_thread; if (WTSVirtualChannelQuery(context->debug_channel, WTSVirtualFileHandle, &buffer, &bytes_returned) == true) { fd = *((void**)buffer); WTSFreeMemory(buffer); thread->signals[thread->num_signals++] = wait_obj_new_with_fd(fd); } s = stream_new(4096); WTSVirtualChannelWrite(context->debug_channel, (uint8*) "test1", 5, NULL); while (1) { freerdp_thread_wait(thread); if (freerdp_thread_is_stopped(thread)) break; stream_set_pos(s, 0); if (WTSVirtualChannelRead(context->debug_channel, 0, stream_get_head(s), stream_get_size(s), &bytes_returned) == false) { if (bytes_returned == 0) break; stream_check_size(s, bytes_returned); if (WTSVirtualChannelRead(context->debug_channel, 0, stream_get_head(s), stream_get_size(s), &bytes_returned) == false) { /* should not happen */ break; } } stream_set_pos(s, bytes_returned); printf("got %d bytes\n", bytes_returned); } stream_free(s); freerdp_thread_quit(thread); return 0; }
static void do_xmit_work(struct c8250_serial *device) { struct stream_interface *si = &device->tx; struct stream_pkt *packet = stream_get_head(si); if (packet == NULL) { return; } assert(packet->data); while (!tx_ready()) { thr_write(packet->data[packet->xferred++]); assert(packet->xferred <= packet->length); if (packet->xferred == packet->length) { packet = stream_switch_head(si); if (packet == NULL) { break; } } } ier_set_txie(1); return; }
static void audin_server_send_formats(audin_server* audin, STREAM* s) { int i; UINT32 nAvgBytesPerSec; stream_set_pos(s, 0); stream_write_BYTE(s, MSG_SNDIN_FORMATS); stream_write_UINT32(s, audin->context.num_server_formats); /* NumFormats (4 bytes) */ stream_write_UINT32(s, 0); /* cbSizeFormatsPacket (4 bytes), client-to-server only */ for (i = 0; i < audin->context.num_server_formats; i++) { nAvgBytesPerSec = audin->context.server_formats[i].nSamplesPerSec * audin->context.server_formats[i].nChannels * audin->context.server_formats[i].wBitsPerSample / 8; stream_check_size(s, 18); stream_write_UINT16(s, audin->context.server_formats[i].wFormatTag); stream_write_UINT16(s, audin->context.server_formats[i].nChannels); stream_write_UINT32(s, audin->context.server_formats[i].nSamplesPerSec); stream_write_UINT32(s, nAvgBytesPerSec); stream_write_UINT16(s, audin->context.server_formats[i].nBlockAlign); stream_write_UINT16(s, audin->context.server_formats[i].wBitsPerSample); stream_write_UINT16(s, audin->context.server_formats[i].cbSize); if (audin->context.server_formats[i].cbSize) { stream_check_size(s, audin->context.server_formats[i].cbSize); stream_write(s, audin->context.server_formats[i].data, audin->context.server_formats[i].cbSize); } } WTSVirtualChannelWrite(audin->audin_channel, stream_get_head(s), stream_get_length(s), NULL); }
static void WTSProcessChannelData(rdpPeerChannel* channel, int channelId, BYTE* data, int size, int flags, int total_size) { if (flags & CHANNEL_FLAG_FIRST) { stream_set_pos(channel->receive_data, 0); } stream_check_size(channel->receive_data, size); stream_write(channel->receive_data, data, size); if (flags & CHANNEL_FLAG_LAST) { if (stream_get_length(channel->receive_data) != total_size) { fprintf(stderr, "WTSProcessChannelData: read error\n"); } if (channel == channel->vcm->drdynvc_channel) { wts_read_drdynvc_pdu(channel); } else { wts_queue_receive_data(channel, stream_get_head(channel->receive_data), stream_get_length(channel->receive_data)); } stream_set_pos(channel->receive_data, 0); } }
void test_nsc_encode(void) { int i; uint8* rgb_data; STREAM* enc_stream; NSC_CONTEXT* context; rgb_data = (uint8 *) malloc(64 * 64 * 3); for (i = 0; i < 64; i++) memcpy(rgb_data + i * 64 * 3, rgb_scanline_data, 64 * 3); context = nsc_context_new(); nsc_context_set_cpu_opt(context, CPU_SSE2); nsc_context_set_pixel_format(context, RDP_PIXEL_FORMAT_R8G8B8); enc_stream = stream_new(65536); stream_clear(enc_stream); for (i = 0; i < 30000; i++) { stream_set_pos(enc_stream, 0); nsc_compose_message(context, enc_stream, rgb_data, 64, 64, 64 * 3); } /*freerdp_hexdump(stream_get_head(enc_stream), stream_get_length(enc_stream));*/ nsc_process_message(context, 32, 64, 64, stream_get_head(enc_stream), stream_get_length(enc_stream)); /*freerdp_hexdump(context->bmpdata, 64 * 64 * 4);*/ stream_free(enc_stream); nsc_context_free(context); }
int rpch_out_read_http_header(rdpRpch* rpch) { int status; int content_length; rdpTls* tls_out = rpch->tls_out; rdpRpchHTTP* http_out = rpch->http_out; STREAM* http_stream; http_stream = read_http(tls_out, &content_length, false); if (http_stream == NULL) { LLOGLN(0, ("rpch_out_read_http_header: read_http failed")); return -1; } status = 0; http_out->contentLength = content_length; http_out->remContentLength = http_out->contentLength; DEBUG_RPCH("\nRecv HTTP header:\n%s", stream_get_head(http_stream)); stream_free(http_stream); return status; }
static void audin_server_send_open(audin_server* audin, STREAM* s) { if (audin->context.selected_client_format < 0) return; audin->opened = TRUE; stream_set_pos(s, 0); stream_write_BYTE(s, MSG_SNDIN_OPEN); stream_write_UINT32(s, audin->context.frames_per_packet); /* FramesPerPacket (4 bytes) */ stream_write_UINT32(s, audin->context.selected_client_format); /* initialFormat (4 bytes) */ /* * [MS-RDPEAI] 3.2.5.1.6 * The second format specify the format that SHOULD be used to capture data from * the actual audio input device. */ stream_write_UINT16(s, 1); /* wFormatTag = PCM */ stream_write_UINT16(s, 2); /* nChannels */ stream_write_UINT32(s, 44100); /* nSamplesPerSec */ stream_write_UINT32(s, 44100 * 2 * 2); /* nAvgBytesPerSec */ stream_write_UINT16(s, 4); /* nBlockAlign */ stream_write_UINT16(s, 16); /* wBitsPerSample */ stream_write_UINT16(s, 0); /* cbSize */ WTSVirtualChannelWrite(audin->audin_channel, stream_get_head(s), stream_get_length(s), NULL); }
void cliprdr_process_format_list_event(cliprdrPlugin* cliprdr, RDP_CB_FORMAT_LIST_EVENT* cb_event) { int i; wStream* s; DEBUG_CLIPRDR("Sending Clipboard Format List"); if (cb_event->raw_format_data) { s = cliprdr_packet_new(CB_FORMAT_LIST, 0, cb_event->raw_format_data_size); stream_write(s, cb_event->raw_format_data, cb_event->raw_format_data_size); } else { wStream* body = stream_new(0); for (i = 0; i < cb_event->num_formats; i++) { const char* name; int name_length; switch (cb_event->formats[i]) { case CB_FORMAT_HTML: name = CFSTR_HTML; name_length = sizeof(CFSTR_HTML); break; case CB_FORMAT_PNG: name = CFSTR_PNG; name_length = sizeof(CFSTR_PNG); break; case CB_FORMAT_JPEG: name = CFSTR_JPEG; name_length = sizeof(CFSTR_JPEG); break; case CB_FORMAT_GIF: name = CFSTR_GIF; name_length = sizeof(CFSTR_GIF); break; default: name = "\0\0"; name_length = 2; break; } if (!cliprdr->use_long_format_names) name_length = 32; stream_extend(body, stream_get_size(body) + 4 + name_length); stream_write_UINT32(body, cb_event->formats[i]); stream_write(body, name, name_length); } s = cliprdr_packet_new(CB_FORMAT_LIST, 0, stream_get_size(body)); stream_write(s, stream_get_head(body), stream_get_size(body)); stream_free(body); } cliprdr_packet_send(cliprdr, s); }
BOOL WTSVirtualChannelClose( /* __in */ void* hChannelHandle) { wStream* s; wts_data_item* item; WTSVirtualChannelManager* vcm; rdpPeerChannel* channel = (rdpPeerChannel*) hChannelHandle; if (channel) { vcm = channel->vcm; if (channel->channel_type == RDP_PEER_CHANNEL_TYPE_SVC) { if (channel->index < channel->client->settings->ChannelCount) channel->client->settings->ChannelDefArray[channel->index].handle = NULL; } else { WaitForSingleObject(vcm->mutex, INFINITE); list_remove(vcm->dvc_channel_list, channel); ReleaseMutex(vcm->mutex); if (channel->dvc_open_state == DVC_OPEN_STATE_SUCCEEDED) { s = stream_new(8); wts_write_drdynvc_header(s, CLOSE_REQUEST_PDU, channel->channel_id); WTSVirtualChannelWrite(vcm->drdynvc_channel, stream_get_head(s), stream_get_length(s), NULL); stream_free(s); } } if (channel->receive_data) stream_free(channel->receive_data); if (channel->receive_event) CloseHandle(channel->receive_event); if (channel->receive_queue) { while ((item = (wts_data_item*) list_dequeue(channel->receive_queue)) != NULL) { wts_data_item_free(item); } list_free(channel->receive_queue); } if (channel->mutex) CloseHandle(channel->mutex); free(channel); } return TRUE; }
static void update_send_surface_command(rdpContext* context, STREAM* s) { STREAM* update; rdpRdp* rdp = context->rdp; update = fastpath_update_pdu_init(rdp->fastpath); stream_check_size(update, stream_get_length(s)); stream_write(update, stream_get_head(s), stream_get_length(s)); fastpath_send_update_pdu(rdp->fastpath, FASTPATH_UPDATETYPE_SURFCMDS, update); }
static void test_peer_draw_background(freerdp_peer* client) { int size; STREAM* s; RFX_RECT rect; BYTE* rgb_data; rdpUpdate* update = client->update; SURFACE_BITS_COMMAND* cmd = &update->surface_bits_command; testPeerContext* context = (testPeerContext*) client->context; if (!client->settings->RemoteFxCodec && !client->settings->NSCodec) return; test_peer_begin_frame(client); s = test_peer_stream_init(context); rect.x = 0; rect.y = 0; rect.width = client->settings->DesktopWidth; rect.height = client->settings->DesktopHeight; size = rect.width * rect.height * 3; rgb_data = malloc(size); memset(rgb_data, 0xA0, size); if (client->settings->RemoteFxCodec) { rfx_compose_message(context->rfx_context, s, &rect, 1, rgb_data, rect.width, rect.height, rect.width * 3); cmd->codecID = client->settings->RemoteFxCodecId; } else { nsc_compose_message(context->nsc_context, s, rgb_data, rect.width, rect.height, rect.width * 3); cmd->codecID = client->settings->NSCodecId; } cmd->destLeft = 0; cmd->destTop = 0; cmd->destRight = rect.width; cmd->destBottom = rect.height; cmd->bpp = 32; cmd->width = rect.width; cmd->height = rect.height; cmd->bitmapDataLength = stream_get_length(s); cmd->bitmapData = stream_get_head(s); update->SurfaceBits(update->context, cmd); free(rgb_data); test_peer_end_frame(client); }
/* header is not removed from data in this function */ static void rdpsnd_process_message_wave(rdpsndPlugin* rdpsnd, STREAM* data_in) { uint16 wTimeStamp; uint32 delay_ms; uint32 process_ms; struct data_out_item* item; rdpsnd->expectingWave = 0; memcpy(stream_get_head(data_in), rdpsnd->waveData, 4); if (stream_get_size(data_in) != rdpsnd->waveDataSize) { DEBUG_WARN("size error"); return; } if (rdpsnd->device) IFCALL(rdpsnd->device->Play, rdpsnd->device, stream_get_head(data_in), stream_get_size(data_in)); process_ms = get_mstime() - rdpsnd->wave_timestamp; delay_ms = 250; wTimeStamp = rdpsnd->wTimeStamp + delay_ms; DEBUG_SVC("data_size %d delay_ms %u process_ms %u", stream_get_size(data_in), delay_ms, process_ms); item = xnew(struct data_out_item); item->data_out = stream_new(8); stream_write_uint8(item->data_out, SNDC_WAVECONFIRM); stream_write_uint8(item->data_out, 0); stream_write_uint16(item->data_out, 4); stream_write_uint16(item->data_out, wTimeStamp); stream_write_uint8(item->data_out, rdpsnd->cBlockNo); /* cConfirmedBlockNo */ stream_write_uint8(item->data_out, 0); /* bPad */ item->out_timestamp = rdpsnd->wave_timestamp + delay_ms; list_enqueue(rdpsnd->data_out_list, item); rdpsnd->plugin.interval_ms = 10; }
boolean WTSVirtualChannelClose( /* __in */ void* hChannelHandle) { STREAM* s; wts_data_item* item; WTSVirtualChannelManager* vcm; rdpPeerChannel* channel = (rdpPeerChannel*) hChannelHandle; if (channel) { vcm = channel->vcm; if (channel->channel_type == RDP_PEER_CHANNEL_TYPE_SVC) { if (channel->index < channel->client->settings->num_channels) channel->client->settings->channels[channel->index].handle = NULL; } else { freerdp_mutex_lock(vcm->mutex); list_remove(vcm->dvc_channel_list, channel); freerdp_mutex_unlock(vcm->mutex); if (channel->dvc_open_state == DVC_OPEN_STATE_SUCCEEDED) { s = stream_new(8); wts_write_drdynvc_header(s, CLOSE_REQUEST_PDU, channel->channel_id); WTSVirtualChannelWrite(vcm->drdynvc_channel, stream_get_head(s), stream_get_length(s), NULL); stream_free(s); } } if (channel->receive_data) stream_free(channel->receive_data); if (channel->receive_event) wait_obj_free(channel->receive_event); if (channel->receive_queue) { while ((item = (wts_data_item*) list_dequeue(channel->receive_queue)) != NULL) { wts_data_item_free(item); } list_free(channel->receive_queue); } if (channel->mutex) freerdp_mutex_free(channel->mutex); xfree(channel); } return true; }
void wf_update_encode(wfInfo* wfi) { RFX_RECT rect; long height, width; BYTE* pDataBits = NULL; int stride; SURFACE_BITS_COMMAND* cmd; wf_info_find_invalid_region(wfi); cmd = &wfi->cmd; stream_set_pos(wfi->s, 0); wf_info_getScreenData(wfi, &width, &height, &pDataBits, &stride); rect.x = 0; rect.y = 0; rect.width = (UINT16) width; rect.height = (UINT16) height; //printf("x:%d y:%d w:%d h:%d\n", wfi->invalid.left, wfi->invalid.top, width, height); stream_clear(wfi->s); rfx_compose_message(wfi->rfx_context, wfi->s, &rect, 1, pDataBits, width, height, stride); wfi->frame_idx = wfi->rfx_context->frame_idx; cmd->destLeft = wfi->invalid.left; cmd->destTop = wfi->invalid.top; cmd->destRight = wfi->invalid.left + width; cmd->destBottom = wfi->invalid.top + height; cmd->bpp = 32; cmd->codecID = 3; cmd->width = width; cmd->height = height; cmd->bitmapDataLength = stream_get_length(wfi->s); cmd->bitmapData = stream_get_head(wfi->s); }
void wf_update_encode(wfInfo* wfi) { long offset; RFX_RECT rect; long height, width; GETCHANGESBUF* changes; SURFACE_BITS_COMMAND* cmd; wf_info_find_invalid_region(wfi); cmd = &wfi->cmd; changes = (GETCHANGESBUF*) wfi->changeBuffer; width = (wfi->invalid.right - wfi->invalid.left) + 1; height = (wfi->invalid.bottom - wfi->invalid.top) + 1; stream_clear(wfi->s); stream_set_pos(wfi->s, 0); rect.x = 0; rect.y = 0; rect.width = (uint16) width; rect.height = (uint16) height; offset = (4 * wfi->invalid.left) + (wfi->invalid.top * wfi->width * 4); rfx_compose_message(wfi->rfx_context, wfi->s, &rect, 1, ((uint8*) (changes->Userbuffer)) + offset, width, height, wfi->width * 4); cmd->destLeft = wfi->invalid.left; cmd->destTop = wfi->invalid.top; cmd->destRight = wfi->invalid.left + width; cmd->destBottom = wfi->invalid.top + height; cmd->bpp = 32; cmd->codecID = 3; cmd->width = width; cmd->height = height; cmd->bitmapDataLength = stream_get_length(wfi->s); cmd->bitmapData = stream_get_head(wfi->s); }
static void test_peer_draw_background(freerdp_peer* client) { testPeerContext* context = (testPeerContext*) client->context; rdpUpdate* update = client->update; SURFACE_BITS_COMMAND* cmd = &update->surface_bits_command; STREAM* s; RFX_RECT rect; uint8* rgb_data; int size; if (!client->settings->rfx_codec) return; s = test_peer_stream_init(context); rect.x = 0; rect.y = 0; rect.width = client->settings->width; rect.height = client->settings->height; size = rect.width * rect.height * 3; rgb_data = xmalloc(size); memset(rgb_data, 0xA0, size); rfx_compose_message(context->rfx_context, s, &rect, 1, rgb_data, rect.width, rect.height, rect.width * 3); cmd->destLeft = 0; cmd->destTop = 0; cmd->destRight = rect.width; cmd->destBottom = rect.height; cmd->bpp = 32; cmd->codecID = client->settings->rfx_codec_id; cmd->width = rect.width; cmd->height = rect.height; cmd->bitmapDataLength = stream_get_length(s); cmd->bitmapData = stream_get_head(s); update->SurfaceBits(update->context, cmd); xfree(rgb_data); }
static void xf_cliprdr_process_dib(clipboardContext* cb, uint8* data, int size) { STREAM* s; uint16 bpp; uint32 offset; uint32 ncolors; /* size should be at least sizeof(BITMAPINFOHEADER) */ if (size < 40) { DEBUG_X11("dib size %d too short", size); return; } s = stream_new(0); stream_attach(s, data, size); stream_seek(s, 14); stream_read_uint16(s, bpp); stream_read_uint32(s, ncolors); offset = 14 + 40 + (bpp <= 8 ? (ncolors == 0 ? (1 << bpp) : ncolors) * 4 : 0); stream_detach(s); stream_free(s); DEBUG_X11("offset=%d bpp=%d ncolors=%d", offset, bpp, ncolors); s = stream_new(14 + size); stream_write_uint8(s, 'B'); stream_write_uint8(s, 'M'); stream_write_uint32(s, 14 + size); stream_write_uint32(s, 0); stream_write_uint32(s, offset); stream_write(s, data, size); cb->data = stream_get_head(s); cb->data_length = stream_get_length(s); stream_detach(s); stream_free(s); }
static void wts_read_drdynvc_data(rdpPeerChannel* channel, STREAM* s, uint32 length) { if (channel->dvc_total_length > 0) { if (stream_get_length(channel->receive_data) + length > channel->dvc_total_length) { channel->dvc_total_length = 0; printf("wts_read_drdynvc_data: incorrect fragment data, discarded.\n"); return; } stream_write(channel->receive_data, stream_get_tail(s), length); if (stream_get_length(channel->receive_data) >= (int) channel->dvc_total_length) { wts_queue_receive_data(channel, stream_get_head(channel->receive_data), channel->dvc_total_length); channel->dvc_total_length = 0; } } else { wts_queue_receive_data(channel, stream_get_tail(s), length); } }
static void WTSProcessChannelData(rdpPeerChannel* channel, int channelId, uint8* data, int size, int flags, int total_size) { wts_data_item* item; if (flags & CHANNEL_FLAG_FIRST) { stream_set_pos(channel->receive_data, 0); } stream_check_size(channel->receive_data, size); stream_write(channel->receive_data, data, size); if (flags & CHANNEL_FLAG_LAST) { if (stream_get_length(channel->receive_data) != total_size) { printf("WTSProcessChannelData: read error\n"); } if (channel->channel_type == RDP_PEER_CHANNEL_TYPE_DVC) { /* TODO: Receive DVC channel data */ } else { item = xnew(wts_data_item); item->length = stream_get_length(channel->receive_data); item->buffer = xmalloc(item->length); memcpy(item->buffer, stream_get_head(channel->receive_data), item->length); freerdp_mutex_lock(channel->mutex); list_enqueue(channel->receive_queue, item); freerdp_mutex_unlock(channel->mutex); wait_obj_set(channel->receive_event); } stream_set_pos(channel->receive_data, 0); } }
void tsmf_playback_ack(IWTSVirtualChannelCallback* pChannelCallback, uint32 message_id, uint64 duration, uint32 data_size) { STREAM* s; int error; TSMF_CHANNEL_CALLBACK* callback = (TSMF_CHANNEL_CALLBACK*) pChannelCallback; s = stream_new(32); stream_write_uint32(s, TSMF_INTERFACE_CLIENT_NOTIFICATIONS | STREAM_ID_PROXY); stream_write_uint32(s, message_id); stream_write_uint32(s, PLAYBACK_ACK); /* FunctionId */ stream_write_uint32(s, callback->stream_id); /* StreamId */ stream_write_uint64(s, duration); /* DataDuration */ stream_write_uint64(s, data_size); /* cbData */ DEBUG_DVC("response size %d", stream_get_length(s)); error = callback->channel->Write(callback->channel, stream_get_length(s), stream_get_head(s), NULL); if (error) { DEBUG_WARN("response error %d", error); } stream_free(s); }
static int do_rx_work(struct c8250_serial *device) { uint8_t data; struct stream_interface *si = &device->rx; struct stream_pkt *packet = stream_get_head(si); while (rx_ready()) { data = rbr_get_data(); /* 11 or 0xb is Ctrl-k */ if ((data & 0xff) == 0xb){ L4_KDB_Enter("breakin"); // Dont want to pass the C-k to the client continue; } if(!packet) continue; packet->data[packet->xferred] = (data & 0xFF); packet->xferred++; while(rx_ready()) rbr_get_data(); if (packet->xferred == packet->length) { if ((packet = stream_switch_head(si)) == NULL) { break; } } } if (packet){ if (packet->xferred) packet = stream_switch_head(si); } return 0; }
void* WTSVirtualChannelOpenEx( /* __in */ WTSVirtualChannelManager* vcm, /* __in */ const char* pVirtualName, /* __in */ UINT32 flags) { int i; int len; wStream* s; rdpPeerChannel* channel; freerdp_peer* client = vcm->client; if ((flags & WTS_CHANNEL_OPTION_DYNAMIC) != 0) { if (vcm->drdynvc_channel == NULL || vcm->drdynvc_state != DRDYNVC_STATE_READY) { DEBUG_DVC("Dynamic virtual channel not ready."); return NULL; } channel = (rdpPeerChannel*) malloc(sizeof(rdpPeerChannel)); ZeroMemory(channel, sizeof(rdpPeerChannel)); channel->vcm = vcm; channel->client = client; channel->channel_type = RDP_PEER_CHANNEL_TYPE_DVC; channel->receive_data = stream_new(client->settings->VirtualChannelChunkSize); channel->receive_event = CreateEvent(NULL, TRUE, FALSE, NULL); channel->receive_queue = list_new(); channel->mutex = CreateMutex(NULL, FALSE, NULL); WaitForSingleObject(vcm->mutex, INFINITE); channel->channel_id = vcm->dvc_channel_id_seq++; list_enqueue(vcm->dvc_channel_list, channel); ReleaseMutex(vcm->mutex); s = stream_new(64); wts_write_drdynvc_create_request(s, channel->channel_id, pVirtualName); WTSVirtualChannelWrite(vcm->drdynvc_channel, stream_get_head(s), stream_get_length(s), NULL); stream_free(s); DEBUG_DVC("ChannelId %d.%s (total %d)", channel->channel_id, pVirtualName, list_size(vcm->dvc_channel_list)); } else { len = strlen(pVirtualName); if (len > 8) return NULL; for (i = 0; i < client->settings->ChannelCount; i++) { if (client->settings->ChannelDefArray[i].joined && strncmp(client->settings->ChannelDefArray[i].Name, pVirtualName, len) == 0) { break; } } if (i >= client->settings->ChannelCount) return NULL; channel = (rdpPeerChannel*) client->settings->ChannelDefArray[i].handle; if (channel == NULL) { channel = (rdpPeerChannel*) malloc(sizeof(rdpPeerChannel)); ZeroMemory(channel, sizeof(rdpPeerChannel)); channel->vcm = vcm; channel->client = client; channel->channel_id = client->settings->ChannelDefArray[i].ChannelId; channel->index = i; channel->channel_type = RDP_PEER_CHANNEL_TYPE_SVC; channel->receive_data = stream_new(client->settings->VirtualChannelChunkSize); channel->receive_event = CreateEvent(NULL, TRUE, FALSE, NULL); channel->receive_queue = list_new(); channel->mutex = CreateMutex(NULL, FALSE, NULL); client->settings->ChannelDefArray[i].handle = channel; } } return channel; }
int transport_check_fds(rdpTransport* transport) { int pos; int status; uint16 length; STREAM* received; wait_obj_clear(transport->recv_event); status = transport_read_nonblocking(transport); if (status < 0) return status; while ((pos = stream_get_pos(transport->recv_buffer)) > 0) { stream_set_pos(transport->recv_buffer, 0); if (tpkt_verify_header(transport->recv_buffer)) /* TPKT */ { /* Ensure the TPKT header is available. */ if (pos <= 4) { stream_set_pos(transport->recv_buffer, pos); return 0; } length = tpkt_read_header(transport->recv_buffer); } else /* Fast Path */ { /* Ensure the Fast Path header is available. */ if (pos <= 2) { stream_set_pos(transport->recv_buffer, pos); return 0; } length = fastpath_read_header(NULL, transport->recv_buffer); } if (length == 0) { printf("transport_check_fds: protocol error, not a TPKT or Fast Path header.\n"); freerdp_hexdump(stream_get_head(transport->recv_buffer), pos); return -1; } if (pos < length) { stream_set_pos(transport->recv_buffer, pos); return 0; /* Packet is not yet completely received. */ } /* * A complete packet has been received. In case there are trailing data * for the next packet, we copy it to the new receive buffer. */ received = transport->recv_buffer; transport->recv_buffer = stream_new(BUFFER_SIZE); if (pos > length) { stream_set_pos(received, length); stream_check_size(transport->recv_buffer, pos - length); stream_copy(transport->recv_buffer, received, pos - length); } stream_set_pos(received, length); stream_seal(received); stream_set_pos(received, 0); if (transport->recv_callback(transport, received, transport->recv_extra) == False) status = -1; stream_free(received); if (status < 0) return status; } return 0; }
int transport_check_fds(rdpTransport** ptransport) { int pos; int status; uint16 length; STREAM* received; rdpTransport* transport = *ptransport; wait_obj_clear(transport->recv_event); status = transport_read_nonblocking(transport); if (status < 0) return status; while ((pos = stream_get_pos(transport->recv_buffer)) > 0) { stream_set_pos(transport->recv_buffer, 0); if (tpkt_verify_header(transport->recv_buffer)) /* TPKT */ { /* Ensure the TPKT header is available. */ if (pos <= 4) { stream_set_pos(transport->recv_buffer, pos); return 0; } length = tpkt_read_header(transport->recv_buffer); } else /* Fast Path */ { /* Ensure the Fast Path header is available. */ if (pos <= 2) { stream_set_pos(transport->recv_buffer, pos); return 0; } /* Fastpath header can be two or three bytes long. */ length = fastpath_header_length(transport->recv_buffer); if (pos < length) { stream_set_pos(transport->recv_buffer, pos); return 0; } length = fastpath_read_header(NULL, transport->recv_buffer); } if (length == 0) { printf("transport_check_fds: protocol error, not a TPKT or Fast Path header.\n"); freerdp_hexdump(stream_get_head(transport->recv_buffer), pos); return -1; } if (pos < length) { stream_set_pos(transport->recv_buffer, pos); return 0; /* Packet is not yet completely received. */ } /* * A complete packet has been received. In case there are trailing data * for the next packet, we copy it to the new receive buffer. */ received = transport->recv_buffer; transport->recv_buffer = stream_new(BUFFER_SIZE); if (pos > length) { stream_set_pos(received, length); stream_check_size(transport->recv_buffer, pos - length); stream_copy(transport->recv_buffer, received, pos - length); } stream_set_pos(received, length); stream_seal(received); stream_set_pos(received, 0); if (transport->recv_callback(transport, received, transport->recv_extra) == false) status = -1; stream_free(received); if (status < 0) return status; /* transport might now have been freed by rdp_client_redirect and a new rdp->transport created */ transport = *ptransport; if (transport->process_single_pdu) { /* one at a time but set event if data buffered * so the main loop will call freerdp_check_fds asap */ if (stream_get_pos(transport->recv_buffer) > 0) wait_obj_set(transport->recv_event); break; } } return 0; }
static void audin_server_send_version(audin_server* audin, STREAM* s) { stream_write_BYTE(s, MSG_SNDIN_VERSION); stream_write_UINT32(s, 1); /* Version (4 bytes) */ WTSVirtualChannelWrite(audin->audin_channel, stream_get_head(s), stream_get_length(s), NULL); }
static void* audin_server_thread_func(void* arg) { void* fd; STREAM* s; void* buffer; BYTE MessageId; BOOL ready = FALSE; UINT32 bytes_returned = 0; audin_server* audin = (audin_server*) arg; freerdp_thread* thread = audin->audin_channel_thread; if (WTSVirtualChannelQuery(audin->audin_channel, WTSVirtualFileHandle, &buffer, &bytes_returned) == TRUE) { fd = *((void**)buffer); WTSFreeMemory(buffer); thread->signals[thread->num_signals++] = wait_obj_new_with_fd(fd); } /* Wait for the client to confirm that the Audio Input dynamic channel is ready */ while (1) { freerdp_thread_wait(thread); if (freerdp_thread_is_stopped(thread)) break; if (WTSVirtualChannelQuery(audin->audin_channel, WTSVirtualChannelReady, &buffer, &bytes_returned) == FALSE) break; ready = *((BOOL*)buffer); WTSFreeMemory(buffer); if (ready) break; } s = stream_new(4096); if (ready) { audin_server_send_version(audin, s); } while (ready) { freerdp_thread_wait(thread); if (freerdp_thread_is_stopped(thread)) break; stream_set_pos(s, 0); if (WTSVirtualChannelRead(audin->audin_channel, 0, stream_get_head(s), stream_get_size(s), &bytes_returned) == FALSE) { if (bytes_returned == 0) break; stream_check_size(s, (int) bytes_returned); if (WTSVirtualChannelRead(audin->audin_channel, 0, stream_get_head(s), stream_get_size(s), &bytes_returned) == FALSE) break; } if (bytes_returned < 1) continue; stream_read_BYTE(s, MessageId); bytes_returned--; switch (MessageId) { case MSG_SNDIN_VERSION: if (audin_server_recv_version(audin, s, bytes_returned)) audin_server_send_formats(audin, s); break; case MSG_SNDIN_FORMATS: if (audin_server_recv_formats(audin, s, bytes_returned)) audin_server_send_open(audin, s); break; case MSG_SNDIN_OPEN_REPLY: audin_server_recv_open_reply(audin, s, bytes_returned); break; case MSG_SNDIN_DATA_INCOMING: break; case MSG_SNDIN_DATA: audin_server_recv_data(audin, s, bytes_returned); break; case MSG_SNDIN_FORMATCHANGE: break; default: printf("audin_server_thread_func: unknown MessageId %d\n", MessageId); break; } } stream_free(s); WTSVirtualChannelClose(audin->audin_channel); audin->audin_channel = NULL; freerdp_thread_quit(thread); return NULL; }