Fix SVACE defects

- WGID=246297,246301,246304,246313:UNCHECKED_FUNC_RES.LIB.STRICT

Change-Id: I7c63a1fb8835713fd25981384b13aeb55fecd864
Signed-off-by: Dongsun Lee <ds73.lee@samsung.com>

3 files changed, 54 insertions, 8 deletions

diff --git a/tadcore/DrmFileHandleMgr/DrmFileHandler.cpp b/tadcore/DrmFileHandleMgr/DrmFileHandler.cpp
index 879f80a..07b3735 100644
--- a/tadcore/DrmFileHandleMgr/DrmFileHandler.cpp
+++ b/tadcore/DrmFileHandleMgr/DrmFileHandler.cpp
@@ -146,7 +146,10 @@ int DrmFileHandler::Construct(const char *szDrmFilePath)
 
 	m_PlaintextStartOffset = t_FileHeader.Offset1 + 35 + t_DRMHeader.XmlSize;
 
-	fseek(m_pFP, 0, SEEK_END);
+	if (fseek(m_pFP, 0, SEEK_END) != 0) {
+		DRM_TAPPS_EXCEPTION("operation fail. fseek");
+		return TADC_FILE_OPEN_ERROR;
+	}
 	m_OriginEndOffset = ftell(m_pFP);
 	if (m_OriginEndOffset < m_PlaintextStartOffset) {
 		DRM_TAPPS_EXCEPTION("Invalid file offset... offset is bigger than file size");
@@ -163,7 +166,10 @@ int DrmFileHandler::Construct(const char *szDrmFilePath)
 
 	m_DrmEndOffset = m_plaintextSize;
 
-	fseek(m_pFP, m_PlaintextStartOffset, SEEK_SET);
+	if (fseek(m_pFP, m_PlaintextStartOffset, SEEK_SET) != 0) {
+		DRM_TAPPS_EXCEPTION("operation fail. fseek");
+		return TADC_FILE_OPEN_ERROR;
+	}
 	m_OriginCurOffset = ftell(m_pFP);
 	m_DrmCurOffset = 0;
 
diff --git a/tadcore/Svc/DrmTdcSvc.cpp b/tadcore/Svc/DrmTdcSvc.cpp
index b0b742c..58ed521 100644
--- a/tadcore/Svc/DrmTdcSvc.cpp
+++ b/tadcore/Svc/DrmTdcSvc.cpp
@@ -181,11 +181,29 @@ bool DrmTdcDecryptPackage(const char *pTADCFilepath, const char *pLicenseBuf,
 		return FALSE;
 	}
 
-	fseek(hFile1, 0, SEEK_END);
+	if (fseek(hFile1, 0, SEEK_END) != 0) {
+		DRM_TAPPS_EXCEPTION("fseek failed");
+		fclose(hFile1);
+		fclose(hFile2);
+		TADC_MEMFree_FileHeader(&t_FileHeader);
+		TADC_MEMFree_DRMHeader(&t_DRMHeader);
+		TADC_MEMFree_RO(&t_RO);
+		TADC_IF_Free(pReadBuf);
+		return FALSE;
+	}
 	long size1 = ftell(hFile1);
 
 	long offset = static_cast<long>(t_FileHeader.Offset1 + 35 + t_DRMHeader.XmlSize);
-	fseek(hFile1, offset, SEEK_SET);
+	if (fseek(hFile1, offset, SEEK_SET) != 0) {
+		DRM_TAPPS_EXCEPTION("fseek failed");
+		fclose(hFile1);
+		fclose(hFile2);
+		TADC_MEMFree_FileHeader(&t_FileHeader);
+		TADC_MEMFree_DRMHeader(&t_DRMHeader);
+		TADC_MEMFree_RO(&t_RO);
+		TADC_IF_Free(pReadBuf);
+		return FALSE;
+	}
 
 	if (size1 < offset) {
 		DRM_TAPPS_EXCEPTION("Invalid offset... offset is bigger than file size");
@@ -319,11 +337,27 @@ bool DrmTdcDecryptPackage2(const char *pTADCFilepath, T_RO t_RO,
 		return FALSE;
 	}
 
-	fseek(hFile1, 0, SEEK_END);
+	if (fseek(hFile1, 0, SEEK_END) != 0) {
+		DRM_TAPPS_EXCEPTION("fseek failed");
+		fclose(hFile1);
+		fclose(hFile2);
+		TADC_MEMFree_FileHeader(&t_FileHeader);
+		TADC_MEMFree_DRMHeader(&t_DRMHeader);
+		TADC_IF_Free(pReadBuf);
+		return FALSE;
+	}
 	long size1 = ftell(hFile1);
 
 	long offset = static_cast<long>(t_FileHeader.Offset1 + 35 + t_DRMHeader.XmlSize);
-	fseek(hFile1, offset, SEEK_SET);
+	if (fseek(hFile1, offset, SEEK_SET) != 0) {
+		DRM_TAPPS_EXCEPTION("fseek failed");
+		fclose(hFile1);
+		fclose(hFile2);
+		TADC_MEMFree_FileHeader(&t_FileHeader);
+		TADC_MEMFree_DRMHeader(&t_DRMHeader);
+		TADC_IF_Free(pReadBuf);
+		return FALSE;
+	}
 
 	if (size1 < offset) {
 		DRM_TAPPS_EXCEPTION("Invalid offset... offset is bigger than file size");
diff --git a/tadcore/XMLParser/CXMLFile.cpp b/tadcore/XMLParser/CXMLFile.cpp
index d1433a2..52ecfe3 100644
--- a/tadcore/XMLParser/CXMLFile.cpp
+++ b/tadcore/XMLParser/CXMLFile.cpp
@@ -99,9 +99,15 @@ int CXMLFile::LoadFromFile(LPCTSTR pszFileName)
 		goto finish;
 	}
 
-	fseek(hFile, 0, SEEK_END);
+	if (fseek(hFile, 0, SEEK_END) != 0) {
+		nResult = -1;
+		goto finish;
+	}
 	dwFileSize = ftell(hFile);
-	fseek(hFile, 0, SEEK_SET);
+	if (fseek(hFile, 0, SEEK_SET) != 0) {
+		nResult = -1;
+		goto finish;
+	}
 
 	if (dwFileSize > LONG_MAX - 256) {
 		nResult = -1;