diff options
Diffstat (limited to 'channels/printer')
| -rw-r--r-- | channels/printer/CMakeLists.txt | 22 | ||||
| -rw-r--r-- | channels/printer/ChannelOptions.cmake | 33 | ||||
| -rw-r--r-- | channels/printer/client/CMakeLists.txt | 35 | ||||
| -rw-r--r-- | channels/printer/client/cups/CMakeLists.txt | 33 | ||||
| -rw-r--r-- | channels/printer/client/cups/printer_cups.c | 462 | ||||
| -rw-r--r-- | channels/printer/client/printer_main.c | 1159 | ||||
| -rw-r--r-- | channels/printer/client/win/CMakeLists.txt | 30 | ||||
| -rw-r--r-- | channels/printer/client/win/printer_win.c | 463 | ||||
| -rw-r--r-- | channels/printer/printer.h | 36 |
9 files changed, 2273 insertions, 0 deletions
diff --git a/channels/printer/CMakeLists.txt b/channels/printer/CMakeLists.txt new file mode 100644 index 0000000..73cb415 --- /dev/null +++ b/channels/printer/CMakeLists.txt @@ -0,0 +1,22 @@ +# FreeRDP: A Remote Desktop Protocol Implementation +# FreeRDP cmake build script +# +# Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com> +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +define_channel("printer") + +if(WITH_CLIENT_CHANNELS) + add_channel_client(${MODULE_PREFIX} ${CHANNEL_NAME}) +endif()
\ No newline at end of file diff --git a/channels/printer/ChannelOptions.cmake b/channels/printer/ChannelOptions.cmake new file mode 100644 index 0000000..2989ba5 --- /dev/null +++ b/channels/printer/ChannelOptions.cmake @@ -0,0 +1,33 @@ + +set(OPTION_DEFAULT OFF) +set(OPTION_CLIENT_DEFAULT ON) +set(OPTION_SERVER_DEFAULT OFF) + +if(WIN32) + set(OPTION_CLIENT_DEFAULT ON) + set(OPTION_SERVER_DEFAULT OFF) +else() + # cups is available on mac os and linux by default, on android it is optional. + if (NOT IOS AND NOT ANDROID) + set(CUPS_DEFAULT ON) + else() + set(CUPS_DEFAULT OFF) + endif() + option(WITH_CUPS "CUPS printer support" ${CUPS_DEFAULT}) + if(WITH_CUPS) + set(OPTION_CLIENT_DEFAULT ON) + set(OPTION_SERVER_DEFAULT OFF) + else() + set(OPTION_CLIENT_DEFAULT OFF) + set(OPTION_SERVER_DEFAULT OFF) + endif() +endif() + +define_channel_options(NAME "printer" TYPE "device" + DESCRIPTION "Print Virtual Channel Extension" + SPECIFICATIONS "[MS-RDPEPC]" + DEFAULT ${OPTION_DEFAULT}) + +define_channel_client_options(${OPTION_CLIENT_DEFAULT}) +define_channel_server_options(${OPTION_SERVER_DEFAULT}) + diff --git a/channels/printer/client/CMakeLists.txt b/channels/printer/client/CMakeLists.txt new file mode 100644 index 0000000..e7bab09 --- /dev/null +++ b/channels/printer/client/CMakeLists.txt @@ -0,0 +1,35 @@ +# FreeRDP: A Remote Desktop Protocol Implementation +# FreeRDP cmake build script +# +# Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com> +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +define_channel_client("printer") + +set(${MODULE_PREFIX}_SRCS + printer_main.c +) + +set(${MODULE_PREFIX}_LIBS + winpr freerdp +) +add_channel_client_library(${MODULE_PREFIX} ${MODULE_NAME} ${CHANNEL_NAME} TRUE "DeviceServiceEntry") + +if(WITH_CUPS) + add_channel_client_subsystem(${MODULE_PREFIX} ${CHANNEL_NAME} "cups" "") +endif() + +if(WIN32 AND NOT UWP) + add_channel_client_subsystem(${MODULE_PREFIX} ${CHANNEL_NAME} "win" "") +endif() diff --git a/channels/printer/client/cups/CMakeLists.txt b/channels/printer/client/cups/CMakeLists.txt new file mode 100644 index 0000000..c6b6f0e --- /dev/null +++ b/channels/printer/client/cups/CMakeLists.txt @@ -0,0 +1,33 @@ +# FreeRDP: A Remote Desktop Protocol Implementation +# FreeRDP cmake build script +# +# Copyright 2019 Armin Novak <armin.novak@thincast.com> +# Copyright 2019 Thincast Technologies GmbH +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +define_channel_client_subsystem("printer" "cups" "") + +find_package(Cups 2.0 REQUIRED) +set(${MODULE_PREFIX}_SRCS + printer_cups.c) + +set(${MODULE_PREFIX}_LIBS + winpr + freerdp + ${CUPS_LIBRARIES} +) + +include_directories(..) +include_directories(${CUPS_INCLUDE_DIRS}) + +add_channel_client_subsystem_library(${MODULE_PREFIX} ${MODULE_NAME} ${CHANNEL_NAME} "" TRUE "") diff --git a/channels/printer/client/cups/printer_cups.c b/channels/printer/client/cups/printer_cups.c new file mode 100644 index 0000000..043b44e --- /dev/null +++ b/channels/printer/client/cups/printer_cups.c @@ -0,0 +1,462 @@ +/** + * FreeRDP: A Remote Desktop Protocol Implementation + * Print Virtual Channel - CUPS driver + * + * Copyright 2010-2011 Vic Lee + * Copyright 2015 Thincast Technologies GmbH + * Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com> + * Copyright 2016 Armin Novak <armin.novak@gmail.com> + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <winpr/assert.h> + +#include <freerdp/config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <pthread.h> + +#include <time.h> +#include <cups/cups.h> + +#include <winpr/crt.h> +#include <winpr/file.h> +#include <winpr/string.h> + +#include <freerdp/channels/rdpdr.h> + +#include <freerdp/client/printer.h> + +#include <freerdp/channels/log.h> +#define TAG CHANNELS_TAG("printer.client.cups") + +#if defined(__APPLE__) +#include <errno.h> +#include <sys/sysctl.h> + +static bool is_mac_os_sonoma_or_later(void) +{ + char str[256] = { 0 }; + size_t size = sizeof(str); + + errno = 0; + int ret = sysctlbyname("kern.osrelease", str, &size, NULL, 0); + if (ret != 0) + { + char buffer[256] = { 0 }; + WLog_WARN(TAG, "sysctlbyname('kern.osrelease') failed with %s [%d]", + winpr_strerror(errno, buffer, sizeof(buffer)), errno); + return false; + } + + int major = 0; + int minor = 0; + int patch = 0; + const int rc = sscanf(str, "%d.%d.%d", &major, &minor, &patch); + if (rc != 3) + { + WLog_WARN(TAG, "could not match '%s' to format '%d.%d.%d'"); + return false; + } + + if (major < 23) + return false; + return true; +} +#endif + +typedef struct +{ + rdpPrinterDriver driver; + + size_t id_sequence; + size_t references; +} rdpCupsPrinterDriver; + +typedef struct +{ + rdpPrintJob printjob; + + http_t* printjob_object; + int printjob_id; +} rdpCupsPrintJob; + +typedef struct +{ + rdpPrinter printer; + + rdpCupsPrintJob* printjob; +} rdpCupsPrinter; + +static void printer_cups_get_printjob_name(char* buf, size_t size, size_t id) +{ + struct tm tres; + const time_t tt = time(NULL); + const struct tm* t = localtime_r(&tt, &tres); + + WINPR_ASSERT(buf); + WINPR_ASSERT(size > 0); + + sprintf_s(buf, size - 1, "FreeRDP Print %04d-%02d-%02d %02d-%02d-%02d - Job %" PRIdz, + t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec, id); +} + +static bool http_status_ok(http_status_t status) +{ + switch (status) + { + case HTTP_OK: + case HTTP_CONTINUE: + return true; + default: + return false; + } +} + +static UINT write_printjob(rdpPrintJob* printjob, const BYTE* data, size_t size) +{ + rdpCupsPrintJob* cups_printjob = (rdpCupsPrintJob*)printjob; + + WINPR_ASSERT(cups_printjob); + + http_status_t rc = + cupsWriteRequestData(cups_printjob->printjob_object, (const char*)data, size); + if (!http_status_ok(rc)) + WLog_WARN(TAG, "cupsWriteRequestData returned %s", httpStatus(rc)); + + return CHANNEL_RC_OK; +} +/** + * Function description + * + * @return 0 on success, otherwise a Win32 error code + */ +static UINT printer_cups_write_printjob(rdpPrintJob* printjob, const BYTE* data, size_t size) +{ + rdpCupsPrintJob* cups_printjob = (rdpCupsPrintJob*)printjob; + + WINPR_ASSERT(cups_printjob); + + return write_printjob(printjob, data, size); +} + +static void printer_cups_close_printjob(rdpPrintJob* printjob) +{ + rdpCupsPrintJob* cups_printjob = (rdpCupsPrintJob*)printjob; + rdpCupsPrinter* cups_printer = NULL; + + WINPR_ASSERT(cups_printjob); + + ipp_status_t rc = cupsFinishDocument(cups_printjob->printjob_object, printjob->printer->name); + if (rc != IPP_OK) + WLog_WARN(TAG, "cupsFinishDocument returned %s", ippErrorString(rc)); + + cups_printjob->printjob_id = 0; + httpClose(cups_printjob->printjob_object); + + cups_printer = (rdpCupsPrinter*)printjob->printer; + WINPR_ASSERT(cups_printer); + + cups_printer->printjob = NULL; + free(cups_printjob); +} + +static rdpPrintJob* printer_cups_create_printjob(rdpPrinter* printer, UINT32 id) +{ + rdpCupsPrinter* cups_printer = (rdpCupsPrinter*)printer; + rdpCupsPrintJob* cups_printjob = NULL; + + WINPR_ASSERT(cups_printer); + + if (cups_printer->printjob != NULL) + { + WLog_WARN(TAG, "printjob [printer '%s'] already existing, abort!", printer->name); + return NULL; + } + + cups_printjob = (rdpCupsPrintJob*)calloc(1, sizeof(rdpCupsPrintJob)); + if (!cups_printjob) + return NULL; + + cups_printjob->printjob.id = id; + cups_printjob->printjob.printer = printer; + + cups_printjob->printjob.Write = printer_cups_write_printjob; + cups_printjob->printjob.Close = printer_cups_close_printjob; + + { + char buf[100] = { 0 }; + + cups_printjob->printjob_object = httpConnect2(cupsServer(), ippPort(), NULL, AF_UNSPEC, + HTTP_ENCRYPT_IF_REQUESTED, 1, 10000, NULL); + + if (!cups_printjob->printjob_object) + { + WLog_WARN(TAG, "httpConnect2 failed for '%s:%d", cupsServer(), ippPort()); + free(cups_printjob); + return NULL; + } + + printer_cups_get_printjob_name(buf, sizeof(buf), cups_printjob->printjob.id); + + cups_printjob->printjob_id = + cupsCreateJob(cups_printjob->printjob_object, printer->name, buf, 0, NULL); + + if (!cups_printjob->printjob_id) + { + WLog_WARN(TAG, "cupsCreateJob failed for printer '%s', driver '%s'", printer->name, + printer->driver); + httpClose(cups_printjob->printjob_object); + free(cups_printjob); + return NULL; + } + + http_status_t rc = cupsStartDocument(cups_printjob->printjob_object, printer->name, + cups_printjob->printjob_id, buf, CUPS_FORMAT_AUTO, 1); + if (!http_status_ok(rc)) + WLog_WARN(TAG, "cupsStartDocument [printer '%s', driver '%s'] returned %s", + printer->name, printer->driver, httpStatus(rc)); + } + + cups_printer->printjob = cups_printjob; + + return &cups_printjob->printjob; +} + +static rdpPrintJob* printer_cups_find_printjob(rdpPrinter* printer, UINT32 id) +{ + rdpCupsPrinter* cups_printer = (rdpCupsPrinter*)printer; + + WINPR_ASSERT(cups_printer); + + if (cups_printer->printjob == NULL) + return NULL; + if (cups_printer->printjob->printjob.id != id) + return NULL; + + return &cups_printer->printjob->printjob; +} + +static void printer_cups_free_printer(rdpPrinter* printer) +{ + rdpCupsPrinter* cups_printer = (rdpCupsPrinter*)printer; + + WINPR_ASSERT(cups_printer); + + if (cups_printer->printjob) + { + WINPR_ASSERT(cups_printer->printjob->printjob.Close); + cups_printer->printjob->printjob.Close(&cups_printer->printjob->printjob); + } + + if (printer->backend) + { + WINPR_ASSERT(printer->backend->ReleaseRef); + printer->backend->ReleaseRef(printer->backend); + } + free(printer->name); + free(printer->driver); + free(printer); +} + +static void printer_cups_add_ref_printer(rdpPrinter* printer) +{ + if (printer) + printer->references++; +} + +static void printer_cups_release_ref_printer(rdpPrinter* printer) +{ + if (!printer) + return; + if (printer->references <= 1) + printer_cups_free_printer(printer); + else + printer->references--; +} + +static rdpPrinter* printer_cups_new_printer(rdpCupsPrinterDriver* cups_driver, const char* name, + const char* driverName, BOOL is_default) +{ + rdpCupsPrinter* cups_printer = NULL; + + cups_printer = (rdpCupsPrinter*)calloc(1, sizeof(rdpCupsPrinter)); + if (!cups_printer) + return NULL; + + cups_printer->printer.backend = &cups_driver->driver; + + cups_printer->printer.id = cups_driver->id_sequence++; + cups_printer->printer.name = _strdup(name); + if (!cups_printer->printer.name) + goto fail; + + if (driverName) + cups_printer->printer.driver = _strdup(driverName); + else + { + const char* dname = "MS Publisher Imagesetter"; +#if defined(__APPLE__) + if (is_mac_os_sonoma_or_later()) + dname = "Microsoft Print to PDF"; +#endif + cups_printer->printer.driver = _strdup(dname); + } + if (!cups_printer->printer.driver) + goto fail; + + cups_printer->printer.is_default = is_default; + + cups_printer->printer.CreatePrintJob = printer_cups_create_printjob; + cups_printer->printer.FindPrintJob = printer_cups_find_printjob; + cups_printer->printer.AddRef = printer_cups_add_ref_printer; + cups_printer->printer.ReleaseRef = printer_cups_release_ref_printer; + + WINPR_ASSERT(cups_printer->printer.AddRef); + cups_printer->printer.AddRef(&cups_printer->printer); + + WINPR_ASSERT(cups_printer->printer.backend->AddRef); + cups_printer->printer.backend->AddRef(cups_printer->printer.backend); + + return &cups_printer->printer; + +fail: + printer_cups_free_printer(&cups_printer->printer); + return NULL; +} + +static void printer_cups_release_enum_printers(rdpPrinter** printers) +{ + rdpPrinter** cur = printers; + + while ((cur != NULL) && ((*cur) != NULL)) + { + if ((*cur)->ReleaseRef) + (*cur)->ReleaseRef(*cur); + cur++; + } + free(printers); +} + +static rdpPrinter** printer_cups_enum_printers(rdpPrinterDriver* driver) +{ + rdpPrinter** printers = NULL; + int num_printers = 0; + cups_dest_t* dests = NULL; + BOOL haveDefault = FALSE; + const int num_dests = cupsGetDests(&dests); + + WINPR_ASSERT(driver); + if (num_dests >= 0) + printers = (rdpPrinter**)calloc((size_t)num_dests + 1, sizeof(rdpPrinter*)); + if (!printers) + return NULL; + + for (size_t i = 0; i < num_dests; i++) + { + const cups_dest_t* dest = &dests[i]; + if (dest->instance == NULL) + { + rdpPrinter* current = printer_cups_new_printer((rdpCupsPrinterDriver*)driver, + dest->name, NULL, dest->is_default); + if (!current) + { + printer_cups_release_enum_printers(printers); + printers = NULL; + break; + } + + if (current->is_default) + haveDefault = TRUE; + + printers[num_printers++] = current; + } + } + cupsFreeDests(num_dests, dests); + + if (!haveDefault && (num_dests > 0) && printers) + { + if (printers[0]) + printers[0]->is_default = TRUE; + } + + return printers; +} + +static rdpPrinter* printer_cups_get_printer(rdpPrinterDriver* driver, const char* name, + const char* driverName, BOOL isDefault) +{ + rdpCupsPrinterDriver* cups_driver = (rdpCupsPrinterDriver*)driver; + + WINPR_ASSERT(cups_driver); + return printer_cups_new_printer(cups_driver, name, driverName, isDefault); +} + +static void printer_cups_add_ref_driver(rdpPrinterDriver* driver) +{ + rdpCupsPrinterDriver* cups_driver = (rdpCupsPrinterDriver*)driver; + if (cups_driver) + cups_driver->references++; +} + +/* Singleton */ +static rdpCupsPrinterDriver* uniq_cups_driver = NULL; + +static void printer_cups_release_ref_driver(rdpPrinterDriver* driver) +{ + rdpCupsPrinterDriver* cups_driver = (rdpCupsPrinterDriver*)driver; + + WINPR_ASSERT(cups_driver); + + if (cups_driver->references <= 1) + { + if (uniq_cups_driver == cups_driver) + uniq_cups_driver = NULL; + free(cups_driver); + } + else + cups_driver->references--; +} + +FREERDP_ENTRY_POINT(UINT cups_freerdp_printer_client_subsystem_entry(void* arg)) +{ + rdpPrinterDriver** ppPrinter = (rdpPrinterDriver**)arg; + if (!ppPrinter) + return ERROR_INVALID_PARAMETER; + + if (!uniq_cups_driver) + { + uniq_cups_driver = (rdpCupsPrinterDriver*)calloc(1, sizeof(rdpCupsPrinterDriver)); + + if (!uniq_cups_driver) + return ERROR_OUTOFMEMORY; + + uniq_cups_driver->driver.EnumPrinters = printer_cups_enum_printers; + uniq_cups_driver->driver.ReleaseEnumPrinters = printer_cups_release_enum_printers; + uniq_cups_driver->driver.GetPrinter = printer_cups_get_printer; + + uniq_cups_driver->driver.AddRef = printer_cups_add_ref_driver; + uniq_cups_driver->driver.ReleaseRef = printer_cups_release_ref_driver; + + uniq_cups_driver->id_sequence = 1; + } + + WINPR_ASSERT(uniq_cups_driver->driver.AddRef); + uniq_cups_driver->driver.AddRef(&uniq_cups_driver->driver); + + *ppPrinter = &uniq_cups_driver->driver; + return CHANNEL_RC_OK; +} diff --git a/channels/printer/client/printer_main.c b/channels/printer/client/printer_main.c new file mode 100644 index 0000000..2aeb3f4 --- /dev/null +++ b/channels/printer/client/printer_main.c @@ -0,0 +1,1159 @@ +/** + * FreeRDP: A Remote Desktop Protocol Implementation + * Print Virtual Channel + * + * Copyright 2010-2011 Vic Lee + * Copyright 2015 Thincast Technologies GmbH + * Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com> + * Copyright 2016 Armin Novak <armin.novak@gmail.com> + * Copyright 2016 David PHAM-VAN <d.phamvan@inuvika.com> + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <freerdp/config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <winpr/crt.h> +#include <winpr/assert.h> +#include <winpr/string.h> +#include <winpr/synch.h> +#include <winpr/thread.h> +#include <winpr/stream.h> +#include <winpr/interlocked.h> +#include <winpr/path.h> + +#include <freerdp/channels/rdpdr.h> +#include <freerdp/crypto/crypto.h> +#include <freerdp/freerdp.h> + +#include "../printer.h" + +#include <freerdp/client/printer.h> + +#include <freerdp/channels/log.h> + +#define TAG CHANNELS_TAG("printer.client") + +typedef struct +{ + DEVICE device; + + rdpPrinter* printer; + + WINPR_PSLIST_HEADER pIrpList; + + HANDLE event; + HANDLE stopEvent; + + HANDLE thread; + rdpContext* rdpcontext; + char port[64]; +} PRINTER_DEVICE; + +typedef enum +{ + PRN_CONF_PORT = 0, + PRN_CONF_PNP = 1, + PRN_CONF_DRIVER = 2, + PRN_CONF_DATA = 3 +} prn_conf_t; + +static const char* filemap[] = { "PortDosName", "PnPName", "DriverName", + "CachedPrinterConfigData" }; + +static char* get_printer_config_path(const rdpSettings* settings, const WCHAR* name, size_t length) +{ + const char* path = freerdp_settings_get_string(settings, FreeRDP_ConfigPath); + char* dir = GetCombinedPath(path, "printers"); + char* bname = crypto_base64_encode((const BYTE*)name, length); + char* config = GetCombinedPath(dir, bname); + + if (config && !winpr_PathFileExists(config)) + { + if (!winpr_PathMakePath(config, NULL)) + { + free(config); + config = NULL; + } + } + + free(dir); + free(bname); + return config; +} + +static BOOL printer_write_setting(const char* path, prn_conf_t type, const void* data, + size_t length) +{ + DWORD written = 0; + BOOL rc = FALSE; + HANDLE file = NULL; + size_t b64len = 0; + char* base64 = NULL; + const char* name = filemap[type]; + char* abs = GetCombinedPath(path, name); + + if (!abs || (length > INT32_MAX)) + { + free(abs); + return FALSE; + } + + file = CreateFileA(abs, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); + free(abs); + + if (file == INVALID_HANDLE_VALUE) + return FALSE; + + if (length > 0) + { + base64 = crypto_base64_encode(data, length); + + if (!base64) + goto fail; + + /* base64 char represents 6bit -> 4*(n/3) is the length which is + * always smaller than 2*n */ + b64len = strnlen(base64, 2 * length); + rc = WriteFile(file, base64, b64len, &written, NULL); + + if (b64len != written) + rc = FALSE; + } + else + rc = TRUE; + +fail: + CloseHandle(file); + free(base64); + return rc; +} + +static BOOL printer_config_valid(const char* path) +{ + if (!path) + return FALSE; + + if (!winpr_PathFileExists(path)) + return FALSE; + + return TRUE; +} + +static BOOL printer_read_setting(const char* path, prn_conf_t type, void** data, UINT32* length) +{ + DWORD lowSize = 0; + DWORD highSize = 0; + DWORD read = 0; + BOOL rc = FALSE; + HANDLE file = NULL; + char* fdata = NULL; + const char* name = filemap[type]; + char* abs = GetCombinedPath(path, name); + + if (!abs) + return FALSE; + + file = CreateFileA(abs, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); + free(abs); + + if (file == INVALID_HANDLE_VALUE) + return FALSE; + + lowSize = GetFileSize(file, &highSize); + + if ((lowSize == INVALID_FILE_SIZE) || (highSize != 0)) + goto fail; + + if (lowSize != 0) + { + fdata = malloc(lowSize); + + if (!fdata) + goto fail; + + rc = ReadFile(file, fdata, lowSize, &read, NULL); + + if (lowSize != read) + rc = FALSE; + } + +fail: + CloseHandle(file); + + if (rc && (lowSize <= INT_MAX)) + { + size_t blen = 0; + crypto_base64_decode(fdata, lowSize, (BYTE**)data, &blen); + + if (*data && (blen > 0)) + *length = (UINT32)blen; + else + { + rc = FALSE; + *length = 0; + } + } + else + { + *length = 0; + *data = NULL; + } + + free(fdata); + return rc; +} + +static BOOL printer_save_to_config(const rdpSettings* settings, const char* PortDosName, + size_t PortDosNameLen, const WCHAR* PnPName, size_t PnPNameLen, + const WCHAR* DriverName, size_t DriverNameLen, + const WCHAR* PrinterName, size_t PrintNameLen, + const BYTE* CachedPrinterConfigData, size_t CacheFieldsLen) +{ + BOOL rc = FALSE; + char* path = get_printer_config_path(settings, PrinterName, PrintNameLen); + + if (!path) + goto fail; + + if (!printer_write_setting(path, PRN_CONF_PORT, PortDosName, PortDosNameLen)) + goto fail; + + if (!printer_write_setting(path, PRN_CONF_PNP, PnPName, PnPNameLen)) + goto fail; + + if (!printer_write_setting(path, PRN_CONF_DRIVER, DriverName, DriverNameLen)) + goto fail; + + if (!printer_write_setting(path, PRN_CONF_DATA, CachedPrinterConfigData, CacheFieldsLen)) + goto fail; + +fail: + free(path); + return rc; +} + +static BOOL printer_update_to_config(const rdpSettings* settings, const WCHAR* name, size_t length, + const BYTE* data, size_t datalen) +{ + BOOL rc = FALSE; + char* path = get_printer_config_path(settings, name, length); + rc = printer_write_setting(path, PRN_CONF_DATA, data, datalen); + free(path); + return rc; +} + +static BOOL printer_remove_config(const rdpSettings* settings, const WCHAR* name, size_t length) +{ + BOOL rc = FALSE; + char* path = get_printer_config_path(settings, name, length); + + if (!printer_config_valid(path)) + goto fail; + + rc = winpr_RemoveDirectory(path); +fail: + free(path); + return rc; +} + +static BOOL printer_move_config(const rdpSettings* settings, const WCHAR* oldName, size_t oldLength, + const WCHAR* newName, size_t newLength) +{ + BOOL rc = FALSE; + char* oldPath = get_printer_config_path(settings, oldName, oldLength); + char* newPath = get_printer_config_path(settings, newName, newLength); + + if (printer_config_valid(oldPath)) + rc = winpr_MoveFile(oldPath, newPath); + + free(oldPath); + free(newPath); + return rc; +} + +static BOOL printer_load_from_config(const rdpSettings* settings, rdpPrinter* printer, + PRINTER_DEVICE* printer_dev) +{ + BOOL res = FALSE; + WCHAR* wname = NULL; + size_t wlen = 0; + char* path = NULL; + UINT32 flags = 0; + void* DriverName = NULL; + UINT32 DriverNameLen = 0; + void* PnPName = NULL; + UINT32 PnPNameLen = 0; + void* CachedPrinterConfigData = NULL; + UINT32 CachedFieldsLen = 0; + UINT32 PrinterNameLen = 0; + + if (!settings || !printer || !printer->name) + return FALSE; + + wname = ConvertUtf8ToWCharAlloc(printer->name, &wlen); + + if (!wname) + goto fail; + + wlen++; + path = get_printer_config_path(settings, wname, wlen * sizeof(WCHAR)); + PrinterNameLen = wlen * sizeof(WCHAR); + + if (!path) + goto fail; + + if (printer->is_default) + flags |= RDPDR_PRINTER_ANNOUNCE_FLAG_DEFAULTPRINTER; + + if (!printer_read_setting(path, PRN_CONF_PNP, &PnPName, &PnPNameLen)) + { + } + + if (!printer_read_setting(path, PRN_CONF_DRIVER, &DriverName, &DriverNameLen)) + { + size_t len = 0; + DriverName = ConvertUtf8ToWCharAlloc(printer->driver, &len); + if (!DriverName) + goto fail; + DriverNameLen = (len + 1) * sizeof(WCHAR); + } + + if (!printer_read_setting(path, PRN_CONF_DATA, &CachedPrinterConfigData, &CachedFieldsLen)) + { + } + + Stream_SetPosition(printer_dev->device.data, 0); + + if (!Stream_EnsureRemainingCapacity(printer_dev->device.data, 24)) + goto fail; + + Stream_Write_UINT32(printer_dev->device.data, flags); + Stream_Write_UINT32(printer_dev->device.data, 0); /* CodePage, reserved */ + Stream_Write_UINT32(printer_dev->device.data, PnPNameLen); /* PnPNameLen */ + Stream_Write_UINT32(printer_dev->device.data, DriverNameLen); + Stream_Write_UINT32(printer_dev->device.data, PrinterNameLen); + Stream_Write_UINT32(printer_dev->device.data, CachedFieldsLen); + + if (!Stream_EnsureRemainingCapacity(printer_dev->device.data, PnPNameLen)) + goto fail; + + if (PnPNameLen > 0) + Stream_Write(printer_dev->device.data, PnPName, PnPNameLen); + + if (!Stream_EnsureRemainingCapacity(printer_dev->device.data, DriverNameLen)) + goto fail; + + Stream_Write(printer_dev->device.data, DriverName, DriverNameLen); + + if (!Stream_EnsureRemainingCapacity(printer_dev->device.data, PrinterNameLen)) + goto fail; + + union + { + char c[2]; + WCHAR w; + } backslash; + backslash.c[0] = '\\'; + backslash.c[1] = '\0'; + + for (WCHAR* wptr = wname; (wptr = _wcschr(wptr, backslash.w));) + *wptr = L'_'; + Stream_Write(printer_dev->device.data, wname, PrinterNameLen); + + if (!Stream_EnsureRemainingCapacity(printer_dev->device.data, CachedFieldsLen)) + goto fail; + + Stream_Write(printer_dev->device.data, CachedPrinterConfigData, CachedFieldsLen); + res = TRUE; +fail: + free(path); + free(wname); + free(PnPName); + free(DriverName); + free(CachedPrinterConfigData); + return res; +} + +static BOOL printer_save_default_config(const rdpSettings* settings, rdpPrinter* printer) +{ + BOOL res = FALSE; + WCHAR* wname = NULL; + WCHAR* driver = NULL; + size_t wlen = 0; + size_t dlen = 0; + char* path = NULL; + + if (!settings || !printer || !printer->name || !printer->driver) + return FALSE; + + wname = ConvertUtf8ToWCharAlloc(printer->name, NULL); + + if (!wname) + goto fail; + + driver = ConvertUtf8ToWCharAlloc(printer->driver, NULL); + + if (!driver) + goto fail; + + wlen = _wcslen(wname) + 1; + dlen = _wcslen(driver) + 1; + path = get_printer_config_path(settings, wname, wlen * sizeof(WCHAR)); + + if (!path) + goto fail; + + if (dlen > 1) + { + if (!printer_write_setting(path, PRN_CONF_DRIVER, driver, dlen * sizeof(WCHAR))) + goto fail; + } + + res = TRUE; +fail: + free(path); + free(wname); + free(driver); + return res; +} + +/** + * Function description + * + * @return 0 on success, otherwise a Win32 error code + */ +static UINT printer_process_irp_create(PRINTER_DEVICE* printer_dev, IRP* irp) +{ + rdpPrintJob* printjob = NULL; + + WINPR_ASSERT(printer_dev); + WINPR_ASSERT(irp); + + if (printer_dev->printer) + { + WINPR_ASSERT(printer_dev->printer->CreatePrintJob); + printjob = + printer_dev->printer->CreatePrintJob(printer_dev->printer, irp->devman->id_sequence++); + } + + if (printjob) + { + Stream_Write_UINT32(irp->output, printjob->id); /* FileId */ + } + else + { + Stream_Write_UINT32(irp->output, 0); /* FileId */ + irp->IoStatus = STATUS_PRINT_QUEUE_FULL; + } + + return irp->Complete(irp); +} + +/** + * Function description + * + * @return 0 on success, otherwise a Win32 error code + */ +static UINT printer_process_irp_close(PRINTER_DEVICE* printer_dev, IRP* irp) +{ + rdpPrintJob* printjob = NULL; + + WINPR_ASSERT(printer_dev); + WINPR_ASSERT(irp); + + if (printer_dev->printer) + { + WINPR_ASSERT(printer_dev->printer->FindPrintJob); + printjob = printer_dev->printer->FindPrintJob(printer_dev->printer, irp->FileId); + } + + if (!printjob) + { + irp->IoStatus = STATUS_UNSUCCESSFUL; + } + else + { + printjob->Close(printjob); + } + + Stream_Zero(irp->output, 4); /* Padding(4) */ + return irp->Complete(irp); +} + +/** + * Function description + * + * @return 0 on success, otherwise a Win32 error code + */ +static UINT printer_process_irp_write(PRINTER_DEVICE* printer_dev, IRP* irp) +{ + UINT32 Length = 0; + UINT64 Offset = 0; + rdpPrintJob* printjob = NULL; + UINT error = CHANNEL_RC_OK; + + WINPR_ASSERT(printer_dev); + WINPR_ASSERT(irp); + + if (!Stream_CheckAndLogRequiredLength(TAG, irp->input, 32)) + return ERROR_INVALID_DATA; + Stream_Read_UINT32(irp->input, Length); + Stream_Read_UINT64(irp->input, Offset); + Stream_Seek(irp->input, 20); /* Padding */ + const void* ptr = Stream_ConstPointer(irp->input); + if (!Stream_SafeSeek(irp->input, Length)) + return ERROR_INVALID_DATA; + if (printer_dev->printer) + { + WINPR_ASSERT(printer_dev->printer->FindPrintJob); + printjob = printer_dev->printer->FindPrintJob(printer_dev->printer, irp->FileId); + } + + if (!printjob) + { + irp->IoStatus = STATUS_UNSUCCESSFUL; + Length = 0; + } + else + { + error = printjob->Write(printjob, ptr, Length); + } + + if (error) + { + WLog_ERR(TAG, "printjob->Write failed with error %" PRIu32 "!", error); + return error; + } + + Stream_Write_UINT32(irp->output, Length); + Stream_Write_UINT8(irp->output, 0); /* Padding */ + + WINPR_ASSERT(irp->Complete); + return irp->Complete(irp); +} + +/** + * Function description + * + * @return 0 on success, otherwise a Win32 error code + */ +static UINT printer_process_irp_device_control(PRINTER_DEVICE* printer_dev, IRP* irp) +{ + WINPR_ASSERT(printer_dev); + WINPR_ASSERT(irp); + + Stream_Write_UINT32(irp->output, 0); /* OutputBufferLength */ + + WINPR_ASSERT(irp->Complete); + return irp->Complete(irp); +} + +/** + * Function description + * + * @return 0 on success, otherwise a Win32 error code + */ +static UINT printer_process_irp(PRINTER_DEVICE* printer_dev, IRP* irp) +{ + UINT error = 0; + + WINPR_ASSERT(printer_dev); + WINPR_ASSERT(irp); + + switch (irp->MajorFunction) + { + case IRP_MJ_CREATE: + if ((error = printer_process_irp_create(printer_dev, irp))) + { + WLog_ERR(TAG, "printer_process_irp_create failed with error %" PRIu32 "!", error); + return error; + } + + break; + + case IRP_MJ_CLOSE: + if ((error = printer_process_irp_close(printer_dev, irp))) + { + WLog_ERR(TAG, "printer_process_irp_close failed with error %" PRIu32 "!", error); + return error; + } + + break; + + case IRP_MJ_WRITE: + if ((error = printer_process_irp_write(printer_dev, irp))) + { + WLog_ERR(TAG, "printer_process_irp_write failed with error %" PRIu32 "!", error); + return error; + } + + break; + + case IRP_MJ_DEVICE_CONTROL: + if ((error = printer_process_irp_device_control(printer_dev, irp))) + { + WLog_ERR(TAG, "printer_process_irp_device_control failed with error %" PRIu32 "!", + error); + return error; + } + + break; + + default: + irp->IoStatus = STATUS_NOT_SUPPORTED; + WINPR_ASSERT(irp->Complete); + return irp->Complete(irp); + } + + return CHANNEL_RC_OK; +} + +static DWORD WINAPI printer_thread_func(LPVOID arg) +{ + IRP* irp = NULL; + PRINTER_DEVICE* printer_dev = (PRINTER_DEVICE*)arg; + UINT error = CHANNEL_RC_OK; + + WINPR_ASSERT(printer_dev); + + while (1) + { + HANDLE obj[] = { printer_dev->event, printer_dev->stopEvent }; + DWORD rc = WaitForMultipleObjects(ARRAYSIZE(obj), obj, FALSE, INFINITE); + + if (rc == WAIT_FAILED) + { + error = GetLastError(); + WLog_ERR(TAG, "WaitForMultipleObjects failed with error %" PRIu32 "!", error); + break; + } + + if (rc == WAIT_OBJECT_0 + 1) + break; + else if (rc != WAIT_OBJECT_0) + continue; + + ResetEvent(printer_dev->event); + irp = (IRP*)InterlockedPopEntrySList(printer_dev->pIrpList); + + if (irp == NULL) + { + WLog_ERR(TAG, "InterlockedPopEntrySList failed!"); + error = ERROR_INTERNAL_ERROR; + break; + } + + if ((error = printer_process_irp(printer_dev, irp))) + { + WLog_ERR(TAG, "printer_process_irp failed with error %" PRIu32 "!", error); + break; + } + } + + if (error && printer_dev->rdpcontext) + setChannelError(printer_dev->rdpcontext, error, "printer_thread_func reported an error"); + + ExitThread(error); + return error; +} + +/** + * Function description + * + * @return 0 on success, otherwise a Win32 error code + */ +static UINT printer_irp_request(DEVICE* device, IRP* irp) +{ + PRINTER_DEVICE* printer_dev = (PRINTER_DEVICE*)device; + + WINPR_ASSERT(printer_dev); + WINPR_ASSERT(irp); + + InterlockedPushEntrySList(printer_dev->pIrpList, &(irp->ItemEntry)); + SetEvent(printer_dev->event); + return CHANNEL_RC_OK; +} + +static UINT printer_custom_component(DEVICE* device, UINT16 component, UINT16 packetId, wStream* s) +{ + UINT32 eventID = 0; + PRINTER_DEVICE* printer_dev = (PRINTER_DEVICE*)device; + + WINPR_ASSERT(printer_dev); + WINPR_ASSERT(printer_dev->rdpcontext); + + const rdpSettings* settings = printer_dev->rdpcontext->settings; + WINPR_ASSERT(settings); + + if (component != RDPDR_CTYP_PRN) + return ERROR_INVALID_DATA; + + if (!Stream_CheckAndLogRequiredLength(TAG, s, 4)) + return ERROR_INVALID_DATA; + + Stream_Read_UINT32(s, eventID); + + switch (packetId) + { + case PAKID_PRN_CACHE_DATA: + switch (eventID) + { + case RDPDR_ADD_PRINTER_EVENT: + { + char PortDosName[8]; + UINT32 PnPNameLen = 0; + UINT32 DriverNameLen = 0; + UINT32 PrintNameLen = 0; + UINT32 CacheFieldsLen = 0; + const WCHAR* PnPName = NULL; + const WCHAR* DriverName = NULL; + const WCHAR* PrinterName = NULL; + const BYTE* CachedPrinterConfigData = NULL; + + if (!Stream_CheckAndLogRequiredLength(TAG, s, 24)) + return ERROR_INVALID_DATA; + + Stream_Read(s, PortDosName, sizeof(PortDosName)); + Stream_Read_UINT32(s, PnPNameLen); + Stream_Read_UINT32(s, DriverNameLen); + Stream_Read_UINT32(s, PrintNameLen); + Stream_Read_UINT32(s, CacheFieldsLen); + + if (!Stream_CheckAndLogRequiredLength(TAG, s, PnPNameLen)) + return ERROR_INVALID_DATA; + + PnPName = Stream_ConstPointer(s); + Stream_Seek(s, PnPNameLen); + + if (!Stream_CheckAndLogRequiredLength(TAG, s, DriverNameLen)) + return ERROR_INVALID_DATA; + + DriverName = Stream_ConstPointer(s); + Stream_Seek(s, DriverNameLen); + + if (!Stream_CheckAndLogRequiredLength(TAG, s, PrintNameLen)) + return ERROR_INVALID_DATA; + + PrinterName = Stream_ConstPointer(s); + Stream_Seek(s, PrintNameLen); + + if (!Stream_CheckAndLogRequiredLength(TAG, s, CacheFieldsLen)) + return ERROR_INVALID_DATA; + + CachedPrinterConfigData = Stream_ConstPointer(s); + Stream_Seek(s, CacheFieldsLen); + + if (!printer_save_to_config(settings, PortDosName, sizeof(PortDosName), PnPName, + PnPNameLen, DriverName, DriverNameLen, PrinterName, + PrintNameLen, CachedPrinterConfigData, + CacheFieldsLen)) + return ERROR_INTERNAL_ERROR; + } + break; + + case RDPDR_UPDATE_PRINTER_EVENT: + { + UINT32 PrinterNameLen = 0; + UINT32 ConfigDataLen = 0; + const WCHAR* PrinterName = NULL; + const BYTE* ConfigData = NULL; + + if (!Stream_CheckAndLogRequiredLength(TAG, s, 8)) + return ERROR_INVALID_DATA; + + Stream_Read_UINT32(s, PrinterNameLen); + Stream_Read_UINT32(s, ConfigDataLen); + + if (!Stream_CheckAndLogRequiredLength(TAG, s, PrinterNameLen)) + return ERROR_INVALID_DATA; + + PrinterName = Stream_ConstPointer(s); + Stream_Seek(s, PrinterNameLen); + + if (!Stream_CheckAndLogRequiredLength(TAG, s, ConfigDataLen)) + return ERROR_INVALID_DATA; + + ConfigData = Stream_ConstPointer(s); + Stream_Seek(s, ConfigDataLen); + + if (!printer_update_to_config(settings, PrinterName, PrinterNameLen, ConfigData, + ConfigDataLen)) + return ERROR_INTERNAL_ERROR; + } + break; + + case RDPDR_DELETE_PRINTER_EVENT: + { + UINT32 PrinterNameLen = 0; + const WCHAR* PrinterName = NULL; + + if (!Stream_CheckAndLogRequiredLength(TAG, s, 4)) + return ERROR_INVALID_DATA; + + Stream_Read_UINT32(s, PrinterNameLen); + + if (!Stream_CheckAndLogRequiredLength(TAG, s, PrinterNameLen)) + return ERROR_INVALID_DATA; + + PrinterName = Stream_ConstPointer(s); + Stream_Seek(s, PrinterNameLen); + printer_remove_config(settings, PrinterName, PrinterNameLen); + } + break; + + case RDPDR_RENAME_PRINTER_EVENT: + { + UINT32 OldPrinterNameLen = 0; + UINT32 NewPrinterNameLen = 0; + const WCHAR* OldPrinterName = NULL; + const WCHAR* NewPrinterName = NULL; + + if (!Stream_CheckAndLogRequiredLength(TAG, s, 8)) + return ERROR_INVALID_DATA; + + Stream_Read_UINT32(s, OldPrinterNameLen); + Stream_Read_UINT32(s, NewPrinterNameLen); + + if (!Stream_CheckAndLogRequiredLength(TAG, s, OldPrinterNameLen)) + return ERROR_INVALID_DATA; + + OldPrinterName = Stream_ConstPointer(s); + Stream_Seek(s, OldPrinterNameLen); + + if (!Stream_CheckAndLogRequiredLength(TAG, s, NewPrinterNameLen)) + return ERROR_INVALID_DATA; + + NewPrinterName = Stream_ConstPointer(s); + Stream_Seek(s, NewPrinterNameLen); + + if (!printer_move_config(settings, OldPrinterName, OldPrinterNameLen, + NewPrinterName, NewPrinterNameLen)) + return ERROR_INTERNAL_ERROR; + } + break; + + default: + WLog_ERR(TAG, "Unknown cache data eventID: 0x%08" PRIX32 "", eventID); + return ERROR_INVALID_DATA; + } + + break; + + case PAKID_PRN_USING_XPS: + { + UINT32 flags = 0; + + if (!Stream_CheckAndLogRequiredLength(TAG, s, 4)) + return ERROR_INVALID_DATA; + + Stream_Read_UINT32(s, flags); + WLog_ERR(TAG, + "Ignoring unhandled message PAKID_PRN_USING_XPS [printerID=%08" PRIx32 + ", flags=%08" PRIx32 "]", + eventID, flags); + } + break; + + default: + WLog_ERR(TAG, "Unknown printing component packetID: 0x%04" PRIX16 "", packetId); + return ERROR_INVALID_DATA; + } + + return CHANNEL_RC_OK; +} + +/** + * Function description + * + * @return 0 on success, otherwise a Win32 error code + */ +static UINT printer_free(DEVICE* device) +{ + IRP* irp = NULL; + PRINTER_DEVICE* printer_dev = (PRINTER_DEVICE*)device; + UINT error = 0; + + WINPR_ASSERT(printer_dev); + + SetEvent(printer_dev->stopEvent); + + if (WaitForSingleObject(printer_dev->thread, INFINITE) == WAIT_FAILED) + { + error = GetLastError(); + WLog_ERR(TAG, "WaitForSingleObject failed with error %" PRIu32 "", error); + + /* The analyzer is confused by this premature return value. + * Since this case can not be handled gracefully silence the + * analyzer here. */ +#ifndef __clang_analyzer__ + return error; +#endif + } + + while ((irp = (IRP*)InterlockedPopEntrySList(printer_dev->pIrpList)) != NULL) + { + WINPR_ASSERT(irp->Discard); + irp->Discard(irp); + } + + CloseHandle(printer_dev->thread); + CloseHandle(printer_dev->stopEvent); + CloseHandle(printer_dev->event); + winpr_aligned_free(printer_dev->pIrpList); + + if (printer_dev->printer) + { + WINPR_ASSERT(printer_dev->printer->ReleaseRef); + printer_dev->printer->ReleaseRef(printer_dev->printer); + } + + Stream_Free(printer_dev->device.data, TRUE); + free(printer_dev); + return CHANNEL_RC_OK; +} + +/** + * Function description + * + * @return 0 on success, otherwise a Win32 error code + */ +static UINT printer_register(PDEVICE_SERVICE_ENTRY_POINTS pEntryPoints, rdpPrinter* printer) +{ + PRINTER_DEVICE* printer_dev = NULL; + UINT error = ERROR_INTERNAL_ERROR; + + WINPR_ASSERT(pEntryPoints); + WINPR_ASSERT(printer); + + printer_dev = (PRINTER_DEVICE*)calloc(1, sizeof(PRINTER_DEVICE)); + + if (!printer_dev) + { + WLog_ERR(TAG, "calloc failed!"); + return CHANNEL_RC_NO_MEMORY; + } + + printer_dev->device.data = Stream_New(NULL, 1024); + + if (!printer_dev->device.data) + goto error_out; + + sprintf_s(printer_dev->port, sizeof(printer_dev->port), "PRN%" PRIdz, printer->id); + printer_dev->device.type = RDPDR_DTYP_PRINT; + printer_dev->device.name = printer_dev->port; + printer_dev->device.IRPRequest = printer_irp_request; + printer_dev->device.CustomComponentRequest = printer_custom_component; + printer_dev->device.Free = printer_free; + printer_dev->rdpcontext = pEntryPoints->rdpcontext; + printer_dev->printer = printer; + printer_dev->pIrpList = (WINPR_PSLIST_HEADER)winpr_aligned_malloc(sizeof(WINPR_SLIST_HEADER), + MEMORY_ALLOCATION_ALIGNMENT); + + if (!printer_dev->pIrpList) + { + WLog_ERR(TAG, "_aligned_malloc failed!"); + error = CHANNEL_RC_NO_MEMORY; + goto error_out; + } + + if (!printer_load_from_config(pEntryPoints->rdpcontext->settings, printer, printer_dev)) + goto error_out; + + InitializeSListHead(printer_dev->pIrpList); + + if (!(printer_dev->event = CreateEvent(NULL, TRUE, FALSE, NULL))) + { + WLog_ERR(TAG, "CreateEvent failed!"); + error = ERROR_INTERNAL_ERROR; + goto error_out; + } + + if (!(printer_dev->stopEvent = CreateEvent(NULL, TRUE, FALSE, NULL))) + { + WLog_ERR(TAG, "CreateEvent failed!"); + error = ERROR_INTERNAL_ERROR; + goto error_out; + } + + if ((error = pEntryPoints->RegisterDevice(pEntryPoints->devman, &printer_dev->device))) + { + WLog_ERR(TAG, "RegisterDevice failed with error %" PRIu32 "!", error); + goto error_out; + } + + if (!(printer_dev->thread = + CreateThread(NULL, 0, printer_thread_func, (void*)printer_dev, 0, NULL))) + { + WLog_ERR(TAG, "CreateThread failed!"); + error = ERROR_INTERNAL_ERROR; + goto error_out; + } + + WINPR_ASSERT(printer->AddRef); + printer->AddRef(printer); + return CHANNEL_RC_OK; +error_out: + printer_free(&printer_dev->device); + return error; +} + +static rdpPrinterDriver* printer_load_backend(const char* backend) +{ + typedef UINT (*backend_load_t)(rdpPrinterDriver**); + union + { + PVIRTUALCHANNELENTRY entry; + backend_load_t backend; + } fktconv; + + fktconv.entry = freerdp_load_channel_addin_entry("printer", backend, NULL, 0); + if (!fktconv.entry) + return NULL; + + rdpPrinterDriver* printer = NULL; + const UINT rc = fktconv.backend(&printer); + if (rc != CHANNEL_RC_OK) + return NULL; + + return printer; +} + +/** + * Function description + * + * @return 0 on success, otherwise a Win32 error code + */ +FREERDP_ENTRY_POINT(UINT printer_DeviceServiceEntry(PDEVICE_SERVICE_ENTRY_POINTS pEntryPoints)) +{ + char* name = NULL; + char* driver_name = NULL; + BOOL default_backend = TRUE; + RDPDR_PRINTER* device = NULL; + rdpPrinterDriver* driver = NULL; + UINT error = CHANNEL_RC_OK; + + if (!pEntryPoints || !pEntryPoints->device) + return ERROR_INVALID_PARAMETER; + + device = (RDPDR_PRINTER*)pEntryPoints->device; + name = device->device.Name; + driver_name = _strdup(device->DriverName); + + /* Secondary argument is one of the following: + * + * <driver_name> ... name of a printer driver + * <driver_name>:<backend_name> ... name of a printer driver and local printer backend to use + */ + if (driver_name) + { + char* sep = strstr(driver_name, ":"); + if (sep) + { + const char* backend = sep + 1; + *sep = '\0'; + driver = printer_load_backend(backend); + default_backend = FALSE; + } + } + + if (!driver && default_backend) + { + const char* backend = +#if defined(WITH_CUPS) + "cups" +#elif defined(_WIN32) + "win" +#else + "" +#endif + ; + + driver = printer_load_backend(backend); + } + + if (!driver) + { + WLog_ERR(TAG, "Could not get a printer driver!"); + error = CHANNEL_RC_INITIALIZATION_ERROR; + goto fail; + } + + if (name && name[0]) + { + WINPR_ASSERT(driver->GetPrinter); + rdpPrinter* printer = driver->GetPrinter(driver, name, driver_name, device->IsDefault); + + if (!printer) + { + WLog_ERR(TAG, "Could not get printer %s!", name); + error = CHANNEL_RC_INITIALIZATION_ERROR; + goto fail; + } + + WINPR_ASSERT(printer->ReleaseRef); + if (!printer_save_default_config(pEntryPoints->rdpcontext->settings, printer)) + { + error = CHANNEL_RC_INITIALIZATION_ERROR; + printer->ReleaseRef(printer); + goto fail; + } + + error = printer_register(pEntryPoints, printer); + printer->ReleaseRef(printer); + if (error) + { + WLog_ERR(TAG, "printer_register failed with error %" PRIu32 "!", error); + goto fail; + } + } + else + { + WINPR_ASSERT(driver->EnumPrinters); + rdpPrinter** printers = driver->EnumPrinters(driver); + if (printers) + { + for (rdpPrinter** current = printers; *current; ++current) + { + error = printer_register(pEntryPoints, *current); + if (error) + { + WLog_ERR(TAG, "printer_register failed with error %" PRIu32 "!", error); + break; + } + } + } + else + { + WLog_ERR(TAG, "Failed to enumerate printers!"); + error = CHANNEL_RC_INITIALIZATION_ERROR; + } + + WINPR_ASSERT(driver->ReleaseEnumPrinters); + driver->ReleaseEnumPrinters(printers); + } + +fail: + free(driver_name); + if (driver) + { + WINPR_ASSERT(driver->ReleaseRef); + driver->ReleaseRef(driver); + } + + return error; +} diff --git a/channels/printer/client/win/CMakeLists.txt b/channels/printer/client/win/CMakeLists.txt new file mode 100644 index 0000000..7f0960a --- /dev/null +++ b/channels/printer/client/win/CMakeLists.txt @@ -0,0 +1,30 @@ +# FreeRDP: A Remote Desktop Protocol Implementation +# FreeRDP cmake build script +# +# Copyright 2019 Armin Novak <armin.novak@thincast.com> +# Copyright 2019 Thincast Technologies GmbH +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +define_channel_client_subsystem("printer" "win" "") + +set(${MODULE_PREFIX}_SRCS + printer_win.c) + +set(${MODULE_PREFIX}_LIBS + winpr + freerdp +) + +include_directories(..) + +add_channel_client_subsystem_library(${MODULE_PREFIX} ${MODULE_NAME} ${CHANNEL_NAME} "" TRUE "") diff --git a/channels/printer/client/win/printer_win.c b/channels/printer/client/win/printer_win.c new file mode 100644 index 0000000..9bd7589 --- /dev/null +++ b/channels/printer/client/win/printer_win.c @@ -0,0 +1,463 @@ +/** + * FreeRDP: A Remote Desktop Protocol Implementation + * Print Virtual Channel - WIN driver + * + * Copyright 2012 Gerald Richter + * Copyright 2015 Thincast Technologies GmbH + * Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com> + * Copyright 2016 Armin Novak <armin.novak@gmail.com> + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <freerdp/config.h> + +#include <winpr/crt.h> +#include <winpr/string.h> +#include <winpr/windows.h> + +#include <time.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <winspool.h> + +#include <freerdp/client/printer.h> + +#define WIDEN_INT(x) L##x +#define WIDEN(x) WIDEN_INT(x) +#define PRINTER_TAG CHANNELS_TAG("printer.client") +#ifdef WITH_DEBUG_WINPR +#define DEBUG_WINPR(...) WLog_DBG(PRINTER_TAG, __VA_ARGS__) +#else +#define DEBUG_WINPR(...) \ + do \ + { \ + } while (0) +#endif + +typedef struct +{ + rdpPrinterDriver driver; + + size_t id_sequence; + size_t references; +} rdpWinPrinterDriver; + +typedef struct +{ + rdpPrintJob printjob; + DOC_INFO_1 di; + DWORD handle; + + void* printjob_object; + int printjob_id; +} rdpWinPrintJob; + +typedef struct +{ + rdpPrinter printer; + HANDLE hPrinter; + rdpWinPrintJob* printjob; +} rdpWinPrinter; + +static WCHAR* printer_win_get_printjob_name(size_t id) +{ + time_t tt; + struct tm tres; + errno_t err; + WCHAR* str; + size_t len = 1024; + int rc; + + tt = time(NULL); + err = localtime_s(&tres, &tt); + + str = calloc(len, sizeof(WCHAR)); + if (!str) + return NULL; + + rc = swprintf_s(str, len, + WIDEN("FreeRDP Print %04d-%02d-%02d% 02d-%02d-%02d - Job %") WIDEN(PRIuz) + WIDEN("\0"), + tres.tm_year + 1900, tres.tm_mon + 1, tres.tm_mday, tres.tm_hour, tres.tm_min, + tres.tm_sec, id); + + return str; +} + +/** + * Function description + * + * @return 0 on success, otherwise a Win32 error code + */ +static UINT printer_win_write_printjob(rdpPrintJob* printjob, const BYTE* data, size_t size) +{ + rdpWinPrinter* printer; + LPCVOID pBuf = data; + DWORD cbBuf = size; + DWORD pcWritten; + + if (!printjob || !data) + return ERROR_BAD_ARGUMENTS; + + printer = (rdpWinPrinter*)printjob->printer; + if (!printer) + return ERROR_BAD_ARGUMENTS; + + if (!WritePrinter(printer->hPrinter, pBuf, cbBuf, &pcWritten)) + return ERROR_INTERNAL_ERROR; + return CHANNEL_RC_OK; +} + +static void printer_win_close_printjob(rdpPrintJob* printjob) +{ + rdpWinPrintJob* win_printjob = (rdpWinPrintJob*)printjob; + rdpWinPrinter* win_printer; + + if (!printjob) + return; + + win_printer = (rdpWinPrinter*)printjob->printer; + if (!win_printer) + return; + + if (!EndPagePrinter(win_printer->hPrinter)) + { + } + + if (!ClosePrinter(win_printer->hPrinter)) + { + } + + win_printer->printjob = NULL; + + free(win_printjob->di.pDocName); + free(win_printjob); +} + +static rdpPrintJob* printer_win_create_printjob(rdpPrinter* printer, UINT32 id) +{ + rdpWinPrinter* win_printer = (rdpWinPrinter*)printer; + rdpWinPrintJob* win_printjob; + + if (win_printer->printjob != NULL) + return NULL; + + win_printjob = (rdpWinPrintJob*)calloc(1, sizeof(rdpWinPrintJob)); + if (!win_printjob) + return NULL; + + win_printjob->printjob.id = id; + win_printjob->printjob.printer = printer; + win_printjob->di.pDocName = printer_win_get_printjob_name(id); + win_printjob->di.pDatatype = NULL; + win_printjob->di.pOutputFile = NULL; + + win_printjob->handle = StartDocPrinter(win_printer->hPrinter, 1, (LPBYTE) & (win_printjob->di)); + + if (!win_printjob->handle) + { + free(win_printjob->di.pDocName); + free(win_printjob); + return NULL; + } + + if (!StartPagePrinter(win_printer->hPrinter)) + { + free(win_printjob->di.pDocName); + free(win_printjob); + return NULL; + } + + win_printjob->printjob.Write = printer_win_write_printjob; + win_printjob->printjob.Close = printer_win_close_printjob; + + win_printer->printjob = win_printjob; + + return &win_printjob->printjob; +} + +static rdpPrintJob* printer_win_find_printjob(rdpPrinter* printer, UINT32 id) +{ + rdpWinPrinter* win_printer = (rdpWinPrinter*)printer; + + if (!win_printer->printjob) + return NULL; + + if (win_printer->printjob->printjob.id != id) + return NULL; + + return (rdpPrintJob*)win_printer->printjob; +} + +static void printer_win_free_printer(rdpPrinter* printer) +{ + rdpWinPrinter* win_printer = (rdpWinPrinter*)printer; + + if (win_printer->printjob) + win_printer->printjob->printjob.Close((rdpPrintJob*)win_printer->printjob); + + if (printer->backend) + printer->backend->ReleaseRef(printer->backend); + + free(printer->name); + free(printer->driver); + free(printer); +} + +static void printer_win_add_ref_printer(rdpPrinter* printer) +{ + if (printer) + printer->references++; +} + +static void printer_win_release_ref_printer(rdpPrinter* printer) +{ + if (!printer) + return; + if (printer->references <= 1) + printer_win_free_printer(printer); + else + printer->references--; +} + +static rdpPrinter* printer_win_new_printer(rdpWinPrinterDriver* win_driver, const WCHAR* name, + const WCHAR* drivername, BOOL is_default) +{ + rdpWinPrinter* win_printer; + DWORD needed = 0; + PRINTER_INFO_2* prninfo = NULL; + + if (!name) + return NULL; + + win_printer = (rdpWinPrinter*)calloc(1, sizeof(rdpWinPrinter)); + if (!win_printer) + return NULL; + + win_printer->printer.backend = &win_driver->driver; + win_printer->printer.id = win_driver->id_sequence++; + win_printer->printer.name = ConvertWCharToUtf8Alloc(name, NULL); + if (!win_printer->printer.name) + goto fail; + + if (!win_printer->printer.name) + goto fail; + win_printer->printer.is_default = is_default; + + win_printer->printer.CreatePrintJob = printer_win_create_printjob; + win_printer->printer.FindPrintJob = printer_win_find_printjob; + win_printer->printer.AddRef = printer_win_add_ref_printer; + win_printer->printer.ReleaseRef = printer_win_release_ref_printer; + + if (!OpenPrinter(name, &(win_printer->hPrinter), NULL)) + goto fail; + + /* How many memory should be allocated for printer data */ + GetPrinter(win_printer->hPrinter, 2, (LPBYTE)prninfo, 0, &needed); + if (needed == 0) + goto fail; + + prninfo = (PRINTER_INFO_2*)GlobalAlloc(GPTR, needed); + if (!prninfo) + goto fail; + + if (!GetPrinter(win_printer->hPrinter, 2, (LPBYTE)prninfo, needed, &needed)) + { + GlobalFree(prninfo); + goto fail; + } + + if (drivername) + win_printer->printer.driver = ConvertWCharToUtf8Alloc(drivername, NULL); + else + win_printer->printer.driver = ConvertWCharToUtf8Alloc(prninfo->pDriverName, NULL); + GlobalFree(prninfo); + if (!win_printer->printer.driver) + goto fail; + + win_printer->printer.AddRef(&win_printer->printer); + win_printer->printer.backend->AddRef(win_printer->printer.backend); + return &win_printer->printer; + +fail: + printer_win_free_printer(&win_printer->printer); + return NULL; +} + +static void printer_win_release_enum_printers(rdpPrinter** printers) +{ + rdpPrinter** cur = printers; + + while ((cur != NULL) && ((*cur) != NULL)) + { + if ((*cur)->ReleaseRef) + (*cur)->ReleaseRef(*cur); + cur++; + } + free(printers); +} + +static rdpPrinter** printer_win_enum_printers(rdpPrinterDriver* driver) +{ + rdpPrinter** printers; + int num_printers; + PRINTER_INFO_2* prninfo = NULL; + DWORD needed, returned; + BOOL haveDefault = FALSE; + LPWSTR defaultPrinter = NULL; + + GetDefaultPrinter(NULL, &needed); + if (needed) + { + defaultPrinter = (LPWSTR)calloc(needed, sizeof(WCHAR)); + + if (!defaultPrinter) + return NULL; + + if (!GetDefaultPrinter(defaultPrinter, &needed)) + defaultPrinter[0] = '\0'; + } + + /* find required size for the buffer */ + EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS, NULL, 2, NULL, 0, &needed, + &returned); + + /* allocate array of PRINTER_INFO structures */ + prninfo = (PRINTER_INFO_2*)GlobalAlloc(GPTR, needed); + if (!prninfo) + { + free(defaultPrinter); + return NULL; + } + + /* call again */ + if (!EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS, NULL, 2, (LPBYTE)prninfo, + needed, &needed, &returned)) + { + } + + printers = (rdpPrinter**)calloc((returned + 1), sizeof(rdpPrinter*)); + if (!printers) + { + GlobalFree(prninfo); + free(defaultPrinter); + return NULL; + } + + num_printers = 0; + + for (int i = 0; i < (int)returned; i++) + { + rdpPrinter* current = printers[num_printers]; + current = printer_win_new_printer((rdpWinPrinterDriver*)driver, prninfo[i].pPrinterName, + prninfo[i].pDriverName, + _wcscmp(prninfo[i].pPrinterName, defaultPrinter) == 0); + if (!current) + { + printer_win_release_enum_printers(printers); + printers = NULL; + break; + } + if (current->is_default) + haveDefault = TRUE; + printers[num_printers++] = current; + } + + if (!haveDefault && (returned > 0)) + printers[0]->is_default = TRUE; + + GlobalFree(prninfo); + free(defaultPrinter); + return printers; +} + +static rdpPrinter* printer_win_get_printer(rdpPrinterDriver* driver, const char* name, + const char* driverName, BOOL isDefault) +{ + WCHAR* driverNameW = NULL; + WCHAR* nameW = NULL; + rdpWinPrinterDriver* win_driver = (rdpWinPrinterDriver*)driver; + rdpPrinter* myPrinter = NULL; + + if (name) + { + nameW = ConvertUtf8ToWCharAlloc(name, NULL); + if (!nameW) + return NULL; + } + if (driverName) + { + driverNameW = ConvertUtf8ToWCharAlloc(driverName, NULL); + if (!driverNameW) + return NULL; + } + + myPrinter = printer_win_new_printer(win_driver, nameW, driverNameW, isDefault); + free(driverNameW); + free(nameW); + + return myPrinter; +} + +static void printer_win_add_ref_driver(rdpPrinterDriver* driver) +{ + rdpWinPrinterDriver* win = (rdpWinPrinterDriver*)driver; + if (win) + win->references++; +} + +/* Singleton */ +static rdpWinPrinterDriver* win_driver = NULL; + +static void printer_win_release_ref_driver(rdpPrinterDriver* driver) +{ + rdpWinPrinterDriver* win = (rdpWinPrinterDriver*)driver; + if (win->references <= 1) + { + free(win); + win_driver = NULL; + } + else + win->references--; +} + +FREERDP_ENTRY_POINT(UINT win_freerdp_printer_client_subsystem_entry(void* arg)) +{ + rdpPrinterDriver** ppPrinter = (rdpPrinterDriver**)arg; + if (!ppPrinter) + return ERROR_INVALID_PARAMETER; + + if (!win_driver) + { + win_driver = (rdpWinPrinterDriver*)calloc(1, sizeof(rdpWinPrinterDriver)); + + if (!win_driver) + return ERROR_OUTOFMEMORY; + + win_driver->driver.EnumPrinters = printer_win_enum_printers; + win_driver->driver.ReleaseEnumPrinters = printer_win_release_enum_printers; + win_driver->driver.GetPrinter = printer_win_get_printer; + + win_driver->driver.AddRef = printer_win_add_ref_driver; + win_driver->driver.ReleaseRef = printer_win_release_ref_driver; + + win_driver->id_sequence = 1; + } + + win_driver->driver.AddRef(&win_driver->driver); + + *ppPrinter = &win_driver->driver; + return CHANNEL_RC_OK; +} diff --git a/channels/printer/printer.h b/channels/printer/printer.h new file mode 100644 index 0000000..ae0902d --- /dev/null +++ b/channels/printer/printer.h @@ -0,0 +1,36 @@ +/** + * FreeRDP: A Remote Desktop Protocol Implementation + * Definition for the printer channel + * + * Copyright 2016 David Fort <contact@hardening-consulting.com> + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef FREERDP_CHANNEL_PRINTER_PRINTER_H +#define FREERDP_CHANNEL_PRINTER_PRINTER_H + +/* SERVER_PRINTER_CACHE_EVENT.cachedata */ +#define RDPDR_ADD_PRINTER_EVENT 0x00000001 +#define RDPDR_UPDATE_PRINTER_EVENT 0x00000002 +#define RDPDR_DELETE_PRINTER_EVENT 0x00000003 +#define RDPDR_RENAME_PRINTER_EVENT 0x00000004 + +/* DR_PRN_DEVICE_ANNOUNCE.Flags */ +#define RDPDR_PRINTER_ANNOUNCE_FLAG_ASCII 0x00000001 +#define RDPDR_PRINTER_ANNOUNCE_FLAG_DEFAULTPRINTER 0x00000002 +#define RDPDR_PRINTER_ANNOUNCE_FLAG_NETWORKPRINTER 0x00000004 +#define RDPDR_PRINTER_ANNOUNCE_FLAG_TSPRINTER 0x00000008 +#define RDPDR_PRINTER_ANNOUNCE_FLAG_XPSFORMAT 0x00000010 + +#endif /* FREERDP_CHANNEL_PRINTER_PRINTER_H */ |