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Header AreaのHashチェックを実装し忘れていたため追加。

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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@1476 b08762b0-b915-fc4b-9d8c-17b2551a87ff
This commit is contained in:
sato_masaki 2008-05-23 00:35:31 +00:00
parent a53bb9c947
commit a17a7ba3dc
1 changed files with 58 additions and 43 deletions
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101
build/systemMenu_RED/Launcher/ARM9/src/loadWlanFirm.c
View File

@ -357,6 +357,8 @@ BOOL InstallWlanFirmware( BOOL isHotStartWLFirm )
NWMRetCode err;
NWMFirmDataParam *pFdParam = (NWMFirmDataParam *)NWM_PARAM_FWDATA_ADDRESS;
NVRAMResult nvRes;
u8 *pSecBuf = NULL;
u8 *pHdrBuf = NULL;
s_isFinished = FALSE;
pNwmBuf = NULL;
@ -404,19 +406,22 @@ BOOL InstallWlanFirmware( BOOL isHotStartWLFirm )
OS_TPrintf("[Wlan Firm] Start InstallFirmware (HOT START)\n");
NWMi_InitForLauncher(pNwmBuf, NWM_SYSTEM_BUF_SIZE, 3); /* 3 -> DMA no. */
err = NWMi_InstallFirmware(InstallFirmCallback, NULL, 0, FALSE);
} else { // COLD START
s32 flen = 0;
char path[256];
u32 offset, length, hdrLen;
u32 fwOffset, fwLen, hdrLen;
u8 *pHash = NULL;
u8 *pSecBuf = NULL;
u8 *pHdrBuf = NULL;
// Get Filepath
if (FALSE == GetFirmwareFilepath(path)) {
goto instfirm_error;
}
/* ------------------------------------
Stage 1 -- Security Area の署名認証
------------------------------------ */
// Read Security area of WLAN firm
/* Allocate security area buffer from heap. */
pSecBuf = SYSM_Alloc( NWM_FW_SECURITY_AREA_SIZE );
@ -431,8 +436,6 @@ BOOL InstallWlanFirmware( BOOL isHotStartWLFirm )
if ( 0 >= flen )
{
OS_TPrintf("[Wlan Firm] Error: Couldn't read wlan firmware security area.\n");
SYSM_Free( pSecBuf );
pSecBuf = NULL;
goto instfirm_error;
}
@ -441,17 +444,15 @@ BOOL InstallWlanFirmware( BOOL isHotStartWLFirm )
{
OS_TPrintf("[Wlan Firm] Error: This Wlan Firmware is quite illegal!\n");
OS_TPrintf("[Wlan Firm] It has never been installed.\n");
SYSM_Free( pSecBuf );
pSecBuf = NULL;
goto instfirm_error;
}
/* ------------------------------------
Stage 2 -- Header Area のHashチェック
------------------------------------ */
hdrLen = ((NWMFirmSecurityArea*)pSecBuf)->hdrLen;
// Free Security area buffer
SYSM_Free( pSecBuf );
pSecBuf = NULL;
/* Allocate header area buffer from heap. */
pHdrBuf = SYSM_Alloc( hdrLen );
@ -466,43 +467,49 @@ BOOL InstallWlanFirmware( BOOL isHotStartWLFirm )
if ( 0 >= flen )
{
OS_TPrintf("[Wlan Firm] Error: Couldn't read wlan firmware header.\n");
// Free Header area buffer
SYSM_Free( pHdrBuf );
pHdrBuf = NULL;
goto instfirm_error;
}
// Find corresponding FW image
offset = NWMi_GetFirmImageOffset(pHdrBuf, (u32)fwType);
length = NWMi_GetFirmImageLength(pHdrBuf, (u32)fwType);
pHash = (u8*)pSecBuf + SIGN_LENGTH;
OS_TPrintf("[Wlan Firm] Check hash of Header Area.\n");
if (FALSE == CheckHash((const u8*)pHash, (const u8*)pHdrBuf, hdrLen))
{
OS_TPrintf("[Wlan Firm] Error: Header Hash data is illegal.\n");
goto instfirm_error;
}
OS_TPrintf("[Wlan Firm] Header Area CheckHash ok.\n");
if (offset == 0 || length == 0) {
OS_TPrintf("[Wlan Firm] Error: Couldn't get Firmware image.\n");
// Free Header area buffer
SYSM_Free( pHdrBuf );
pHdrBuf = NULL;
// Free Security area buffer
SYSM_Free( pSecBuf );
pSecBuf = NULL;
/* ------------------------------------
Stage 3 -- FW image Area のHashチェック
------------------------------------ */
// Find corresponding FW image
fwOffset = NWMi_GetFirmImageOffset(pHdrBuf, (u32)fwType);
fwLen = NWMi_GetFirmImageLength(pHdrBuf, (u32)fwType);
if (fwOffset == 0 || fwLen == 0) {
OS_TPrintf("[Wlan Firm] Error: Couldn't get FW image.\n");
goto instfirm_error;
}
/* Allocate FW buffer from heap. */
pFwBuffer = SYSM_Alloc( length );
pFwBuffer = SYSM_Alloc( fwLen );
if (!pFwBuffer) {
OS_TWarning("[Wlan Firm] Error: Couldn't allocate memory for WlanFirmware.\n");
// Free Header area buffer
SYSM_Free( pHdrBuf );
pHdrBuf = NULL;
OS_TWarning("[Wlan Firm] Error: Couldn't allocate memory for FW image.\n");
goto instfirm_error;
}
// Read FW image
flen = ReadFirmwareBinary(path, offset, pFwBuffer, (s32)length);
flen = ReadFirmwareBinary(path, fwOffset, pFwBuffer, (s32)fwLen);
if ( 0 >= flen )
{
OS_TPrintf("[Wlan Firm] Error: Couldn't read wlan firmware.\n");
// Free Header area buffer
SYSM_Free( pHdrBuf );
pHdrBuf = NULL;
goto instfirm_error;
}
@ -511,22 +518,16 @@ BOOL InstallWlanFirmware( BOOL isHotStartWLFirm )
if (pHash == NULL)
{
OS_TPrintf("[Wlan Firm] Error: Couldn't get hash of wlan firmware image.\n");
// Free Header area buffer
SYSM_Free( pHdrBuf );
pHdrBuf = NULL;
goto instfirm_error;
}
OS_TPrintf("[Wlan Firm] Check hash of firmware image.\n");
if (FALSE == CheckHash((const u8*)pHash, (const u8*)pFwBuffer, length))
OS_TPrintf("[Wlan Firm] Check hash of FW image.\n");
if (FALSE == CheckHash((const u8*)pHash, (const u8*)pFwBuffer, fwLen))
{
OS_TPrintf("[Wlan Firm] Error: Hash data is illegal.\n");
// Free Header area buffer
SYSM_Free( pHdrBuf );
pHdrBuf = NULL;
OS_TPrintf("[Wlan Firm] Error: FW image Hash data is illegal.\n");
goto instfirm_error;
}
OS_TPrintf("[Wlan Firm] CheckHash ok.\n");
OS_TPrintf("[Wlan Firm] FW image CheckHash ok.\n");
// Free Header area buffer
SYSM_Free( pHdrBuf );
@ -547,6 +548,7 @@ BOOL InstallWlanFirmware( BOOL isHotStartWLFirm )
OS_TPrintf("[Wlan Firm] Start InstallFirmware (COLD START)\n");
err = NWMi_InstallFirmware(InstallFirmCallback, pFwBuffer, (u32)flen, TRUE);
}
/*
@ -557,16 +559,29 @@ BOOL InstallWlanFirmware( BOOL isHotStartWLFirm )
/* エラー処理 */
instfirm_error:
// Free Security area buffer
if (pSecBuf)
{
SYSM_Free( pSecBuf );
pSecBuf = NULL;
}
// Free Header area buffer
if (pHdrBuf)
{
SYSM_Free( pHdrBuf );
pHdrBuf = NULL;
}
if (pFwBuffer)
{
SYSM_Free( pFwBuffer );
pFwBuffer = 0;
pFwBuffer = NULL;
}
if (pNwmBuf)
{
NWM_End();
SYSM_Free( pNwmBuf );
pNwmBuf = 0;
pNwmBuf = NULL;
}
// インストール開始すらできなかった時は、FATALエラー