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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 01:24:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 01:24:41 +0000
commita9bcc81f821d7c66f623779fa5147e728eb3c388 (patch)
tree98676963bcdd537ae5908a067a8eb110b93486a6 /winpr/libwinpr/pipe/pipe.c
parentInitial commit. (diff)
downloadfreerdp3-a9bcc81f821d7c66f623779fa5147e728eb3c388.tar.xz
freerdp3-a9bcc81f821d7c66f623779fa5147e728eb3c388.zip
Adding upstream version 3.3.0+dfsg1.upstream/3.3.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'winpr/libwinpr/pipe/pipe.c')
-rw-r--r--winpr/libwinpr/pipe/pipe.c930
1 files changed, 930 insertions, 0 deletions
diff --git a/winpr/libwinpr/pipe/pipe.c b/winpr/libwinpr/pipe/pipe.c
new file mode 100644
index 0000000..dba1bf3
--- /dev/null
+++ b/winpr/libwinpr/pipe/pipe.c
@@ -0,0 +1,930 @@
+/**
+ * WinPR: Windows Portable Runtime
+ * Pipe Functions
+ *
+ * Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
+ * Copyright 2017 Armin Novak <armin.novak@thincast.com>
+ * Copyright 2017 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.
+ */
+
+#include <winpr/config.h>
+
+#include <winpr/crt.h>
+#include <winpr/path.h>
+#include <winpr/synch.h>
+#include <winpr/handle.h>
+
+#include <winpr/pipe.h>
+
+#ifdef WINPR_HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifndef _WIN32
+
+#include "../handle/handle.h"
+
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/un.h>
+#include <sys/socket.h>
+#include <winpr/assert.h>
+
+#ifdef WINPR_HAVE_SYS_AIO_H
+#undef WINPR_HAVE_SYS_AIO_H /* disable for now, incomplete */
+#endif
+
+#ifdef WINPR_HAVE_SYS_AIO_H
+#include <aio.h>
+#endif
+
+#include "pipe.h"
+
+#include "../log.h"
+#define TAG WINPR_TAG("pipe")
+
+/*
+ * Since the WinPR implementation of named pipes makes use of UNIX domain
+ * sockets, it is not possible to bind the same name more than once (i.e.,
+ * SO_REUSEADDR does not work with UNIX domain sockets). As a result, the
+ * first call to CreateNamedPipe with name n creates a "shared" UNIX domain
+ * socket descriptor that gets duplicated via dup() for the first and all
+ * subsequent calls to CreateNamedPipe with name n.
+ *
+ * The following array keeps track of the references to the shared socked
+ * descriptors. If an entry's reference count is zero the base socket
+ * descriptor gets closed and the entry is removed from the list.
+ */
+
+static wArrayList* g_NamedPipeServerSockets = NULL;
+
+typedef struct
+{
+ char* name;
+ int serverfd;
+ int references;
+} NamedPipeServerSocketEntry;
+
+static BOOL PipeIsHandled(HANDLE handle)
+{
+ return WINPR_HANDLE_IS_HANDLED(handle, HANDLE_TYPE_ANONYMOUS_PIPE, FALSE);
+}
+
+static int PipeGetFd(HANDLE handle)
+{
+ WINPR_PIPE* pipe = (WINPR_PIPE*)handle;
+
+ if (!PipeIsHandled(handle))
+ return -1;
+
+ return pipe->fd;
+}
+
+static BOOL PipeCloseHandle(HANDLE handle)
+{
+ WINPR_PIPE* pipe = (WINPR_PIPE*)handle;
+
+ if (!PipeIsHandled(handle))
+ return FALSE;
+
+ if (pipe->fd != -1)
+ {
+ close(pipe->fd);
+ pipe->fd = -1;
+ }
+
+ free(handle);
+ return TRUE;
+}
+
+static BOOL PipeRead(PVOID Object, LPVOID lpBuffer, DWORD nNumberOfBytesToRead,
+ LPDWORD lpNumberOfBytesRead, LPOVERLAPPED lpOverlapped)
+{
+ SSIZE_T io_status = 0;
+ WINPR_PIPE* pipe = NULL;
+ BOOL status = TRUE;
+
+ if (lpOverlapped)
+ {
+ WLog_ERR(TAG, "WinPR does not support the lpOverlapped parameter");
+ SetLastError(ERROR_NOT_SUPPORTED);
+ return FALSE;
+ }
+
+ pipe = (WINPR_PIPE*)Object;
+
+ do
+ {
+ io_status = read(pipe->fd, lpBuffer, nNumberOfBytesToRead);
+ } while ((io_status < 0) && (errno == EINTR));
+
+ if (io_status < 0)
+ {
+ status = FALSE;
+
+ switch (errno)
+ {
+ case EWOULDBLOCK:
+ SetLastError(ERROR_NO_DATA);
+ break;
+ }
+ }
+
+ if (lpNumberOfBytesRead)
+ *lpNumberOfBytesRead = (DWORD)io_status;
+
+ return status;
+}
+
+static BOOL PipeWrite(PVOID Object, LPCVOID lpBuffer, DWORD nNumberOfBytesToWrite,
+ LPDWORD lpNumberOfBytesWritten, LPOVERLAPPED lpOverlapped)
+{
+ SSIZE_T io_status = 0;
+ WINPR_PIPE* pipe = NULL;
+
+ if (lpOverlapped)
+ {
+ WLog_ERR(TAG, "WinPR does not support the lpOverlapped parameter");
+ SetLastError(ERROR_NOT_SUPPORTED);
+ return FALSE;
+ }
+
+ pipe = (WINPR_PIPE*)Object;
+
+ do
+ {
+ io_status = write(pipe->fd, lpBuffer, nNumberOfBytesToWrite);
+ } while ((io_status < 0) && (errno == EINTR));
+
+ if ((io_status < 0) && (errno == EWOULDBLOCK))
+ io_status = 0;
+
+ *lpNumberOfBytesWritten = (DWORD)io_status;
+ return TRUE;
+}
+
+static HANDLE_OPS ops = { PipeIsHandled,
+ PipeCloseHandle,
+ PipeGetFd,
+ NULL, /* CleanupHandle */
+ PipeRead,
+ NULL, /* FileReadEx */
+ NULL, /* FileReadScatter */
+ PipeWrite,
+ NULL, /* FileWriteEx */
+ NULL, /* FileWriteGather */
+ NULL, /* FileGetFileSize */
+ NULL, /* FlushFileBuffers */
+ NULL, /* FileSetEndOfFile */
+ NULL, /* FileSetFilePointer */
+ NULL, /* SetFilePointerEx */
+ NULL, /* FileLockFile */
+ NULL, /* FileLockFileEx */
+ NULL, /* FileUnlockFile */
+ NULL, /* FileUnlockFileEx */
+ NULL /* SetFileTime */
+ ,
+ NULL };
+
+static BOOL NamedPipeIsHandled(HANDLE handle)
+{
+ return WINPR_HANDLE_IS_HANDLED(handle, HANDLE_TYPE_NAMED_PIPE, TRUE);
+}
+
+static int NamedPipeGetFd(HANDLE handle)
+{
+ WINPR_NAMED_PIPE* pipe = (WINPR_NAMED_PIPE*)handle;
+
+ if (!NamedPipeIsHandled(handle))
+ return -1;
+
+ if (pipe->ServerMode)
+ return pipe->serverfd;
+
+ return pipe->clientfd;
+}
+
+static BOOL NamedPipeCloseHandle(HANDLE handle)
+{
+ WINPR_NAMED_PIPE* pNamedPipe = (WINPR_NAMED_PIPE*)handle;
+
+ /* This check confuses the analyzer. Since not all handle
+ * types are handled here, it guesses that the memory of a
+ * NamedPipeHandle may leak. */
+#ifndef __clang_analyzer__
+ if (!NamedPipeIsHandled(handle))
+ return FALSE;
+#endif
+
+ if (pNamedPipe->pfnUnrefNamedPipe)
+ pNamedPipe->pfnUnrefNamedPipe(pNamedPipe);
+
+ free(pNamedPipe->name);
+ free(pNamedPipe->lpFileName);
+ free(pNamedPipe->lpFilePath);
+
+ if (pNamedPipe->serverfd != -1)
+ close(pNamedPipe->serverfd);
+
+ if (pNamedPipe->clientfd != -1)
+ close(pNamedPipe->clientfd);
+
+ free(pNamedPipe);
+ return TRUE;
+}
+
+BOOL NamedPipeRead(PVOID Object, LPVOID lpBuffer, DWORD nNumberOfBytesToRead,
+ LPDWORD lpNumberOfBytesRead, LPOVERLAPPED lpOverlapped)
+{
+ SSIZE_T io_status = 0;
+ WINPR_NAMED_PIPE* pipe = NULL;
+ BOOL status = TRUE;
+
+ if (lpOverlapped)
+ {
+ WLog_ERR(TAG, "WinPR does not support the lpOverlapped parameter");
+ SetLastError(ERROR_NOT_SUPPORTED);
+ return FALSE;
+ }
+
+ pipe = (WINPR_NAMED_PIPE*)Object;
+
+ if (!(pipe->dwFlagsAndAttributes & FILE_FLAG_OVERLAPPED))
+ {
+ if (pipe->clientfd == -1)
+ return FALSE;
+
+ do
+ {
+ io_status = read(pipe->clientfd, lpBuffer, nNumberOfBytesToRead);
+ } while ((io_status < 0) && (errno == EINTR));
+
+ if (io_status == 0)
+ {
+ SetLastError(ERROR_BROKEN_PIPE);
+ status = FALSE;
+ }
+ else if (io_status < 0)
+ {
+ status = FALSE;
+
+ switch (errno)
+ {
+ case EWOULDBLOCK:
+ SetLastError(ERROR_NO_DATA);
+ break;
+
+ default:
+ SetLastError(ERROR_BROKEN_PIPE);
+ break;
+ }
+ }
+
+ if (lpNumberOfBytesRead)
+ *lpNumberOfBytesRead = (DWORD)io_status;
+ }
+ else
+ {
+ /* Overlapped I/O */
+ if (!lpOverlapped)
+ return FALSE;
+
+ if (pipe->clientfd == -1)
+ return FALSE;
+
+ pipe->lpOverlapped = lpOverlapped;
+#ifdef WINPR_HAVE_SYS_AIO_H
+ {
+ int aio_status;
+ struct aiocb cb = { 0 };
+
+ cb.aio_fildes = pipe->clientfd;
+ cb.aio_buf = lpBuffer;
+ cb.aio_nbytes = nNumberOfBytesToRead;
+ cb.aio_offset = lpOverlapped->Offset;
+ cb.aio_sigevent.sigev_notify = SIGEV_SIGNAL;
+ cb.aio_sigevent.sigev_signo = SIGIO;
+ cb.aio_sigevent.sigev_value.sival_ptr = (void*)lpOverlapped;
+ InstallAioSignalHandler();
+ aio_status = aio_read(&cb);
+ WLog_DBG(TAG, "aio_read status: %d", aio_status);
+
+ if (aio_status < 0)
+ status = FALSE;
+
+ return status;
+ }
+#else
+ /* synchronous behavior */
+ lpOverlapped->Internal = 0;
+ lpOverlapped->InternalHigh = (ULONG_PTR)nNumberOfBytesToRead;
+ lpOverlapped->Pointer = (PVOID)lpBuffer;
+ SetEvent(lpOverlapped->hEvent);
+#endif
+ }
+
+ return status;
+}
+
+BOOL NamedPipeWrite(PVOID Object, LPCVOID lpBuffer, DWORD nNumberOfBytesToWrite,
+ LPDWORD lpNumberOfBytesWritten, LPOVERLAPPED lpOverlapped)
+{
+ SSIZE_T io_status = 0;
+ WINPR_NAMED_PIPE* pipe = NULL;
+ BOOL status = TRUE;
+
+ if (lpOverlapped)
+ {
+ WLog_ERR(TAG, "WinPR does not support the lpOverlapped parameter");
+ SetLastError(ERROR_NOT_SUPPORTED);
+ return FALSE;
+ }
+
+ pipe = (WINPR_NAMED_PIPE*)Object;
+
+ if (!(pipe->dwFlagsAndAttributes & FILE_FLAG_OVERLAPPED))
+ {
+ if (pipe->clientfd == -1)
+ return FALSE;
+
+ do
+ {
+ io_status = write(pipe->clientfd, lpBuffer, nNumberOfBytesToWrite);
+ } while ((io_status < 0) && (errno == EINTR));
+
+ if (io_status < 0)
+ {
+ *lpNumberOfBytesWritten = 0;
+
+ switch (errno)
+ {
+ case EWOULDBLOCK:
+ io_status = 0;
+ status = TRUE;
+ break;
+
+ default:
+ status = FALSE;
+ }
+ }
+
+ *lpNumberOfBytesWritten = (DWORD)io_status;
+ return status;
+ }
+ else
+ {
+ /* Overlapped I/O */
+ if (!lpOverlapped)
+ return FALSE;
+
+ if (pipe->clientfd == -1)
+ return FALSE;
+
+ pipe->lpOverlapped = lpOverlapped;
+#ifdef WINPR_HAVE_SYS_AIO_H
+ {
+ struct aiocb cb = { 0 };
+
+ cb.aio_fildes = pipe->clientfd;
+ cb.aio_buf = (void*)lpBuffer;
+ cb.aio_nbytes = nNumberOfBytesToWrite;
+ cb.aio_offset = lpOverlapped->Offset;
+ cb.aio_sigevent.sigev_notify = SIGEV_SIGNAL;
+ cb.aio_sigevent.sigev_signo = SIGIO;
+ cb.aio_sigevent.sigev_value.sival_ptr = (void*)lpOverlapped;
+ InstallAioSignalHandler();
+ io_status = aio_write(&cb);
+ WLog_DBG("aio_write status: %" PRIdz, io_status);
+
+ if (io_status < 0)
+ status = FALSE;
+
+ return status;
+ }
+#else
+ /* synchronous behavior */
+ lpOverlapped->Internal = 1;
+ lpOverlapped->InternalHigh = (ULONG_PTR)nNumberOfBytesToWrite;
+ {
+ union
+ {
+ LPCVOID cpv;
+ PVOID pv;
+ } cnv;
+ cnv.cpv = lpBuffer;
+ lpOverlapped->Pointer = cnv.pv;
+ }
+ SetEvent(lpOverlapped->hEvent);
+#endif
+ }
+
+ return TRUE;
+}
+
+static HANDLE_OPS namedOps = { NamedPipeIsHandled,
+ NamedPipeCloseHandle,
+ NamedPipeGetFd,
+ NULL, /* CleanupHandle */
+ NamedPipeRead,
+ NULL,
+ NULL,
+ NamedPipeWrite,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL };
+
+static BOOL InitWinPRPipeModule(void)
+{
+ if (g_NamedPipeServerSockets)
+ return TRUE;
+
+ g_NamedPipeServerSockets = ArrayList_New(FALSE);
+ return g_NamedPipeServerSockets != NULL;
+}
+
+/*
+ * Unnamed pipe
+ */
+
+BOOL CreatePipe(PHANDLE hReadPipe, PHANDLE hWritePipe, LPSECURITY_ATTRIBUTES lpPipeAttributes,
+ DWORD nSize)
+{
+ int pipe_fd[2];
+ WINPR_PIPE* pReadPipe = NULL;
+ WINPR_PIPE* pWritePipe = NULL;
+
+ WINPR_UNUSED(lpPipeAttributes);
+ WINPR_UNUSED(nSize);
+
+ pipe_fd[0] = -1;
+ pipe_fd[1] = -1;
+
+ if (pipe(pipe_fd) < 0)
+ {
+ WLog_ERR(TAG, "failed to create pipe");
+ return FALSE;
+ }
+
+ pReadPipe = (WINPR_PIPE*)calloc(1, sizeof(WINPR_PIPE));
+ pWritePipe = (WINPR_PIPE*)calloc(1, sizeof(WINPR_PIPE));
+
+ if (!pReadPipe || !pWritePipe)
+ {
+ free(pReadPipe);
+ free(pWritePipe);
+ return FALSE;
+ }
+
+ pReadPipe->fd = pipe_fd[0];
+ pWritePipe->fd = pipe_fd[1];
+ WINPR_HANDLE_SET_TYPE_AND_MODE(pReadPipe, HANDLE_TYPE_ANONYMOUS_PIPE, WINPR_FD_READ);
+ pReadPipe->common.ops = &ops;
+ *((ULONG_PTR*)hReadPipe) = (ULONG_PTR)pReadPipe;
+ WINPR_HANDLE_SET_TYPE_AND_MODE(pWritePipe, HANDLE_TYPE_ANONYMOUS_PIPE, WINPR_FD_READ);
+ pWritePipe->common.ops = &ops;
+ *((ULONG_PTR*)hWritePipe) = (ULONG_PTR)pWritePipe;
+ return TRUE;
+}
+
+/**
+ * Named pipe
+ */
+
+static void winpr_unref_named_pipe(WINPR_NAMED_PIPE* pNamedPipe)
+{
+ NamedPipeServerSocketEntry* baseSocket = NULL;
+
+ if (!pNamedPipe)
+ return;
+
+ WINPR_ASSERT(pNamedPipe->name);
+ WINPR_ASSERT(g_NamedPipeServerSockets);
+ // WLog_VRB(TAG, "%p (%s)", (void*) pNamedPipe, pNamedPipe->name);
+ ArrayList_Lock(g_NamedPipeServerSockets);
+
+ for (size_t index = 0; index < ArrayList_Count(g_NamedPipeServerSockets); index++)
+ {
+ baseSocket =
+ (NamedPipeServerSocketEntry*)ArrayList_GetItem(g_NamedPipeServerSockets, index);
+ WINPR_ASSERT(baseSocket->name);
+
+ if (!strcmp(baseSocket->name, pNamedPipe->name))
+ {
+ WINPR_ASSERT(baseSocket->references > 0);
+ WINPR_ASSERT(baseSocket->serverfd != -1);
+
+ if (--baseSocket->references == 0)
+ {
+ // WLog_DBG(TAG, "removing shared server socked resource");
+ // WLog_DBG(TAG, "closing shared serverfd %d", baseSocket->serverfd);
+ ArrayList_Remove(g_NamedPipeServerSockets, baseSocket);
+ close(baseSocket->serverfd);
+ free(baseSocket->name);
+ free(baseSocket);
+ }
+
+ break;
+ }
+ }
+
+ ArrayList_Unlock(g_NamedPipeServerSockets);
+}
+
+HANDLE CreateNamedPipeA(LPCSTR lpName, DWORD dwOpenMode, DWORD dwPipeMode, DWORD nMaxInstances,
+ DWORD nOutBufferSize, DWORD nInBufferSize, DWORD nDefaultTimeOut,
+ LPSECURITY_ATTRIBUTES lpSecurityAttributes)
+{
+ char* lpPipePath = NULL;
+ WINPR_NAMED_PIPE* pNamedPipe = NULL;
+ int serverfd = -1;
+ NamedPipeServerSocketEntry* baseSocket = NULL;
+
+ WINPR_UNUSED(lpSecurityAttributes);
+
+ if (dwOpenMode & FILE_FLAG_OVERLAPPED)
+ {
+ WLog_ERR(TAG, "WinPR does not support the FILE_FLAG_OVERLAPPED flag");
+ SetLastError(ERROR_NOT_SUPPORTED);
+ return INVALID_HANDLE_VALUE;
+ }
+
+ if (!lpName)
+ return INVALID_HANDLE_VALUE;
+
+ if (!InitWinPRPipeModule())
+ return INVALID_HANDLE_VALUE;
+
+ pNamedPipe = (WINPR_NAMED_PIPE*)calloc(1, sizeof(WINPR_NAMED_PIPE));
+
+ if (!pNamedPipe)
+ return INVALID_HANDLE_VALUE;
+
+ ArrayList_Lock(g_NamedPipeServerSockets);
+ WINPR_HANDLE_SET_TYPE_AND_MODE(pNamedPipe, HANDLE_TYPE_NAMED_PIPE, WINPR_FD_READ);
+ pNamedPipe->serverfd = -1;
+ pNamedPipe->clientfd = -1;
+
+ if (!(pNamedPipe->name = _strdup(lpName)))
+ goto out;
+
+ if (!(pNamedPipe->lpFileName = GetNamedPipeNameWithoutPrefixA(lpName)))
+ goto out;
+
+ if (!(pNamedPipe->lpFilePath = GetNamedPipeUnixDomainSocketFilePathA(lpName)))
+ goto out;
+
+ pNamedPipe->dwOpenMode = dwOpenMode;
+ pNamedPipe->dwPipeMode = dwPipeMode;
+ pNamedPipe->nMaxInstances = nMaxInstances;
+ pNamedPipe->nOutBufferSize = nOutBufferSize;
+ pNamedPipe->nInBufferSize = nInBufferSize;
+ pNamedPipe->nDefaultTimeOut = nDefaultTimeOut;
+ pNamedPipe->dwFlagsAndAttributes = dwOpenMode;
+ pNamedPipe->clientfd = -1;
+ pNamedPipe->ServerMode = TRUE;
+ pNamedPipe->common.ops = &namedOps;
+
+ for (size_t index = 0; index < ArrayList_Count(g_NamedPipeServerSockets); index++)
+ {
+ baseSocket =
+ (NamedPipeServerSocketEntry*)ArrayList_GetItem(g_NamedPipeServerSockets, index);
+
+ if (!strcmp(baseSocket->name, lpName))
+ {
+ serverfd = baseSocket->serverfd;
+ // WLog_DBG(TAG, "using shared socked resource for pipe %p (%s)", (void*) pNamedPipe,
+ // lpName);
+ break;
+ }
+ }
+
+ /* If this is the first instance of the named pipe... */
+ if (serverfd == -1)
+ {
+ struct sockaddr_un s = { 0 };
+ /* Create the UNIX domain socket and start listening. */
+ if (!(lpPipePath = GetNamedPipeUnixDomainSocketBaseFilePathA()))
+ goto out;
+
+ if (!winpr_PathFileExists(lpPipePath))
+ {
+ if (!CreateDirectoryA(lpPipePath, 0))
+ {
+ free(lpPipePath);
+ goto out;
+ }
+
+ UnixChangeFileMode(lpPipePath, 0xFFFF);
+ }
+
+ free(lpPipePath);
+
+ if (winpr_PathFileExists(pNamedPipe->lpFilePath))
+ winpr_DeleteFile(pNamedPipe->lpFilePath);
+
+ if ((serverfd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
+ {
+ char ebuffer[256] = { 0 };
+ WLog_ERR(TAG, "CreateNamedPipeA: socket error, %s",
+ winpr_strerror(errno, ebuffer, sizeof(ebuffer)));
+ goto out;
+ }
+
+ s.sun_family = AF_UNIX;
+ sprintf_s(s.sun_path, ARRAYSIZE(s.sun_path), "%s", pNamedPipe->lpFilePath);
+
+ if (bind(serverfd, (struct sockaddr*)&s, sizeof(struct sockaddr_un)) == -1)
+ {
+ char ebuffer[256] = { 0 };
+ WLog_ERR(TAG, "CreateNamedPipeA: bind error, %s",
+ winpr_strerror(errno, ebuffer, sizeof(ebuffer)));
+ goto out;
+ }
+
+ if (listen(serverfd, 2) == -1)
+ {
+ char ebuffer[256] = { 0 };
+ WLog_ERR(TAG, "CreateNamedPipeA: listen error, %s",
+ winpr_strerror(errno, ebuffer, sizeof(ebuffer)));
+ goto out;
+ }
+
+ UnixChangeFileMode(pNamedPipe->lpFilePath, 0xFFFF);
+
+ if (!(baseSocket = (NamedPipeServerSocketEntry*)malloc(sizeof(NamedPipeServerSocketEntry))))
+ goto out;
+
+ if (!(baseSocket->name = _strdup(lpName)))
+ {
+ free(baseSocket);
+ goto out;
+ }
+
+ baseSocket->serverfd = serverfd;
+ baseSocket->references = 0;
+
+ if (!ArrayList_Append(g_NamedPipeServerSockets, baseSocket))
+ {
+ free(baseSocket->name);
+ free(baseSocket);
+ goto out;
+ }
+
+ // WLog_DBG(TAG, "created shared socked resource for pipe %p (%s). base serverfd = %d",
+ // (void*) pNamedPipe, lpName, serverfd);
+ }
+
+ pNamedPipe->serverfd = dup(baseSocket->serverfd);
+ // WLog_DBG(TAG, "using serverfd %d (duplicated from %d)", pNamedPipe->serverfd,
+ // baseSocket->serverfd);
+ pNamedPipe->pfnUnrefNamedPipe = winpr_unref_named_pipe;
+ baseSocket->references++;
+
+ if (dwOpenMode & FILE_FLAG_OVERLAPPED)
+ {
+#if 0
+ int flags = fcntl(pNamedPipe->serverfd, F_GETFL);
+
+ if (flags != -1)
+ fcntl(pNamedPipe->serverfd, F_SETFL, flags | O_NONBLOCK);
+
+#endif
+ }
+
+ // NOLINTNEXTLINE(clang-analyzer-unix.Malloc): ArrayList_Append takes ownership of baseSocket
+ ArrayList_Unlock(g_NamedPipeServerSockets);
+ return pNamedPipe;
+out:
+ NamedPipeCloseHandle(pNamedPipe);
+
+ if (serverfd != -1)
+ close(serverfd);
+
+ ArrayList_Unlock(g_NamedPipeServerSockets);
+ return INVALID_HANDLE_VALUE;
+}
+
+HANDLE CreateNamedPipeW(LPCWSTR lpName, DWORD dwOpenMode, DWORD dwPipeMode, DWORD nMaxInstances,
+ DWORD nOutBufferSize, DWORD nInBufferSize, DWORD nDefaultTimeOut,
+ LPSECURITY_ATTRIBUTES lpSecurityAttributes)
+{
+ WLog_ERR(TAG, "is not implemented");
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return NULL;
+}
+
+BOOL ConnectNamedPipe(HANDLE hNamedPipe, LPOVERLAPPED lpOverlapped)
+{
+ int status = 0;
+ socklen_t length = 0;
+ WINPR_NAMED_PIPE* pNamedPipe = NULL;
+
+ if (lpOverlapped)
+ {
+ WLog_ERR(TAG, "WinPR does not support the lpOverlapped parameter");
+ SetLastError(ERROR_NOT_SUPPORTED);
+ return FALSE;
+ }
+
+ if (!hNamedPipe)
+ return FALSE;
+
+ pNamedPipe = (WINPR_NAMED_PIPE*)hNamedPipe;
+
+ if (!(pNamedPipe->dwFlagsAndAttributes & FILE_FLAG_OVERLAPPED))
+ {
+ struct sockaddr_un s = { 0 };
+ length = sizeof(struct sockaddr_un);
+ status = accept(pNamedPipe->serverfd, (struct sockaddr*)&s, &length);
+
+ if (status < 0)
+ {
+ WLog_ERR(TAG, "ConnectNamedPipe: accept error");
+ return FALSE;
+ }
+
+ pNamedPipe->clientfd = status;
+ pNamedPipe->ServerMode = FALSE;
+ }
+ else
+ {
+ if (!lpOverlapped)
+ return FALSE;
+
+ if (pNamedPipe->serverfd == -1)
+ return FALSE;
+
+ pNamedPipe->lpOverlapped = lpOverlapped;
+ /* synchronous behavior */
+ lpOverlapped->Internal = 2;
+ lpOverlapped->InternalHigh = (ULONG_PTR)0;
+ lpOverlapped->Pointer = (PVOID)NULL;
+ SetEvent(lpOverlapped->hEvent);
+ }
+
+ return TRUE;
+}
+
+BOOL DisconnectNamedPipe(HANDLE hNamedPipe)
+{
+ WINPR_NAMED_PIPE* pNamedPipe = NULL;
+ pNamedPipe = (WINPR_NAMED_PIPE*)hNamedPipe;
+
+ if (pNamedPipe->clientfd != -1)
+ {
+ close(pNamedPipe->clientfd);
+ pNamedPipe->clientfd = -1;
+ }
+
+ return TRUE;
+}
+
+BOOL PeekNamedPipe(HANDLE hNamedPipe, LPVOID lpBuffer, DWORD nBufferSize, LPDWORD lpBytesRead,
+ LPDWORD lpTotalBytesAvail, LPDWORD lpBytesLeftThisMessage)
+{
+ WLog_ERR(TAG, "Not implemented");
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return FALSE;
+}
+
+BOOL TransactNamedPipe(HANDLE hNamedPipe, LPVOID lpInBuffer, DWORD nInBufferSize,
+ LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesRead,
+ LPOVERLAPPED lpOverlapped)
+{
+ WLog_ERR(TAG, "Not implemented");
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return FALSE;
+}
+
+BOOL WaitNamedPipeA(LPCSTR lpNamedPipeName, DWORD nTimeOut)
+{
+ BOOL status = 0;
+ DWORD nWaitTime = 0;
+ char* lpFilePath = NULL;
+ DWORD dwSleepInterval = 0;
+
+ if (!lpNamedPipeName)
+ return FALSE;
+
+ lpFilePath = GetNamedPipeUnixDomainSocketFilePathA(lpNamedPipeName);
+
+ if (!lpFilePath)
+ return FALSE;
+
+ if (nTimeOut == NMPWAIT_USE_DEFAULT_WAIT)
+ nTimeOut = 50;
+
+ nWaitTime = 0;
+ status = TRUE;
+ dwSleepInterval = 10;
+
+ while (!winpr_PathFileExists(lpFilePath))
+ {
+ Sleep(dwSleepInterval);
+ nWaitTime += dwSleepInterval;
+
+ if (nWaitTime >= nTimeOut)
+ {
+ status = FALSE;
+ break;
+ }
+ }
+
+ free(lpFilePath);
+ return status;
+}
+
+BOOL WaitNamedPipeW(LPCWSTR lpNamedPipeName, DWORD nTimeOut)
+{
+ WLog_ERR(TAG, "Not implemented");
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return FALSE;
+}
+
+BOOL SetNamedPipeHandleState(HANDLE hNamedPipe, LPDWORD lpMode, LPDWORD lpMaxCollectionCount,
+ LPDWORD lpCollectDataTimeout)
+{
+ int fd = 0;
+ int flags = 0;
+ WINPR_NAMED_PIPE* pNamedPipe = NULL;
+ pNamedPipe = (WINPR_NAMED_PIPE*)hNamedPipe;
+
+ if (lpMode)
+ {
+ pNamedPipe->dwPipeMode = *lpMode;
+ fd = (pNamedPipe->ServerMode) ? pNamedPipe->serverfd : pNamedPipe->clientfd;
+
+ if (fd == -1)
+ return FALSE;
+
+ flags = fcntl(fd, F_GETFL);
+
+ if (flags < 0)
+ return FALSE;
+
+ if (pNamedPipe->dwPipeMode & PIPE_NOWAIT)
+ flags = (flags | O_NONBLOCK);
+ else
+ flags = (flags & ~(O_NONBLOCK));
+
+ if (fcntl(fd, F_SETFL, flags) < 0)
+ return FALSE;
+ }
+
+ if (lpMaxCollectionCount)
+ {
+ }
+
+ if (lpCollectDataTimeout)
+ {
+ }
+
+ return TRUE;
+}
+
+BOOL ImpersonateNamedPipeClient(HANDLE hNamedPipe)
+{
+ WLog_ERR(TAG, "Not implemented");
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return FALSE;
+}
+
+BOOL GetNamedPipeClientComputerNameA(HANDLE Pipe, LPCSTR ClientComputerName,
+ ULONG ClientComputerNameLength)
+{
+ WLog_ERR(TAG, "Not implemented");
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return FALSE;
+}
+
+BOOL GetNamedPipeClientComputerNameW(HANDLE Pipe, LPCWSTR ClientComputerName,
+ ULONG ClientComputerNameLength)
+{
+ WLog_ERR(TAG, "Not implemented");
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return FALSE;
+}
+
+#endif