FreeRDP/winpr/libwinpr/utils/wlog/FileAppender.c
David FORT 16d36e3083 A malloc() pass on WinPR
This patch treats remaining non-checked mallocs. And changes to calloc in places
where it makes sense
2015-06-22 19:10:00 +02:00

266 lines
5.8 KiB
C

/**
* WinPR: Windows Portable Runtime
* WinPR Logger
*
* Copyright 2013 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <winpr/crt.h>
#include <winpr/environment.h>
#include <winpr/file.h>
#include <winpr/path.h>
#include <winpr/thread.h>
#include <winpr/wlog.h>
#include "wlog/Message.h"
#include "wlog/FileAppender.h"
/**
* File Appender
*/
BOOL WLog_FileAppender_SetOutputFileName(wLog* log, wLogFileAppender* appender, const char* filename)
{
if (!appender || !filename)
return FALSE;
if (appender->Type != WLOG_APPENDER_FILE)
return FALSE;
appender->FileName = _strdup(filename);
if (!appender->FileName)
return FALSE;
return TRUE;
}
BOOL WLog_FileAppender_SetOutputFilePath(wLog* log, wLogFileAppender* appender, const char* filepath)
{
if (!appender || !filepath)
return FALSE;
if (appender->Type != WLOG_APPENDER_FILE)
return FALSE;
appender->FilePath = _strdup(filepath);
if (!appender->FilePath)
return FALSE;
return TRUE;
}
int WLog_FileAppender_Open(wLog* log, wLogFileAppender* appender)
{
if (!log || !appender)
return -1;
if (!appender->FilePath)
{
appender->FilePath = GetKnownSubPath(KNOWN_PATH_TEMP, "wlog");
if (!appender->FilePath)
return -1;
}
if (!appender->FileName)
{
appender->FileName = (char*) malloc(MAX_PATH);
if (!appender->FileName)
return -1;
sprintf_s(appender->FileName, MAX_PATH, "%u.log", (unsigned int) GetCurrentProcessId());
}
if (!appender->FullFileName)
{
appender->FullFileName = GetCombinedPath(appender->FilePath, appender->FileName);
if (!appender->FullFileName)
return -1;
}
if (!PathFileExistsA(appender->FilePath))
{
if (!PathMakePathA(appender->FilePath, 0))
return -1;
UnixChangeFileMode(appender->FilePath, 0xFFFF);
}
appender->FileDescriptor = fopen(appender->FullFileName, "a+");
if (!appender->FileDescriptor)
return -1;
return 0;
}
int WLog_FileAppender_Close(wLog* log, wLogFileAppender* appender)
{
if (!log || !appender)
return -1;
if (!appender->FileDescriptor)
return 0;
fclose(appender->FileDescriptor);
appender->FileDescriptor = NULL;
return 0;
}
int WLog_FileAppender_WriteMessage(wLog* log, wLogFileAppender* appender, wLogMessage* message)
{
FILE* fp;
char prefix[WLOG_MAX_PREFIX_SIZE];
if (!log || !appender || !message)
return -1;
fp = appender->FileDescriptor;
if (!fp)
return -1;
message->PrefixString = prefix;
WLog_Layout_GetMessagePrefix(log, appender->Layout, message);
fprintf(fp, "%s%s\n", message->PrefixString, message->TextString);
fflush(fp); /* slow! */
return 1;
}
static int g_DataId = 0;
int WLog_FileAppender_WriteDataMessage(wLog* log, wLogFileAppender* appender, wLogMessage* message)
{
int DataId;
char* FullFileName;
if (!log || !appender || !message)
return -1;
DataId = g_DataId++;
FullFileName = WLog_Message_GetOutputFileName(DataId, "dat");
WLog_DataMessage_Write(FullFileName, message->Data, message->Length);
free(FullFileName);
return DataId;
}
static int g_ImageId = 0;
int WLog_FileAppender_WriteImageMessage(wLog* log, wLogFileAppender* appender, wLogMessage* message)
{
int ImageId;
char* FullFileName;
if (!log || !appender || !message)
return -1;
ImageId = g_ImageId++;
FullFileName = WLog_Message_GetOutputFileName(ImageId, "bmp");
WLog_ImageMessage_Write(FullFileName, message->ImageData,
message->ImageWidth, message->ImageHeight, message->ImageBpp);
free(FullFileName);
return ImageId;
}
wLogFileAppender* WLog_FileAppender_New(wLog* log)
{
LPSTR env;
LPCSTR name;
DWORD nSize;
wLogFileAppender* FileAppender;
BOOL status;
FileAppender = (wLogFileAppender*) calloc(1, sizeof(wLogFileAppender));
if (!FileAppender)
return NULL;
FileAppender->Type = WLOG_APPENDER_FILE;
FileAppender->Open = (WLOG_APPENDER_OPEN_FN) WLog_FileAppender_Open;
FileAppender->Close = (WLOG_APPENDER_OPEN_FN) WLog_FileAppender_Close;
FileAppender->WriteMessage =
(WLOG_APPENDER_WRITE_MESSAGE_FN) WLog_FileAppender_WriteMessage;
FileAppender->WriteDataMessage =
(WLOG_APPENDER_WRITE_DATA_MESSAGE_FN) WLog_FileAppender_WriteDataMessage;
FileAppender->WriteImageMessage =
(WLOG_APPENDER_WRITE_IMAGE_MESSAGE_FN) WLog_FileAppender_WriteImageMessage;
name = "WLOG_FILEAPPENDER_OUTPUT_FILE_PATH";
nSize = GetEnvironmentVariableA(name, NULL, 0);
if (nSize)
{
env = (LPSTR) malloc(nSize);
if (!env)
goto error_free;
nSize = GetEnvironmentVariableA(name, env, nSize);
status = WLog_FileAppender_SetOutputFilePath(log, FileAppender, env);
free(env);
if (!status)
goto error_free;
}
name = "WLOG_FILEAPPENDER_OUTPUT_FILE_NAME";
nSize = GetEnvironmentVariableA(name, NULL, 0);
if (nSize)
{
env = (LPSTR) malloc(nSize);
if (!env)
goto error_output_file_name;
nSize = GetEnvironmentVariableA(name, env, nSize);
status = WLog_FileAppender_SetOutputFileName(log, FileAppender, env);
free(env);
if (!status)
goto error_output_file_name;
}
return FileAppender;
error_output_file_name:
free(FileAppender->FilePath);
error_free:
free(FileAppender);
return NULL;
}
void WLog_FileAppender_Free(wLog* log, wLogFileAppender* appender)
{
if (appender)
{
free(appender->FileName);
free(appender->FilePath);
free(appender->FullFileName);
free(appender);
}
}