_i32 sl_extlib_FlcOpenFile(_u8 *file_name, _i32 file_size, _u32 *ulToken, _i32 *lFileHandle, _i32 open_flags)
{
if(open_flags == _FS_MODE_OPEN_READ)
{
return sl_FsOpen((_u8 *)file_name,
_FS_MODE_OPEN_READ, ulToken, lFileHandle);
}
else
{
/* MCU image name should be changed */
if(strstr((char *)file_name, "/sys/mcuimgA") != NULL)
{
/* mcuimg1 is for factory default,
mcuimg2,3 are for OTA updates */
file_name[11] = (_u8)_McuImageGetNewIndex() + '1';
/* make sure that the file is not opened as
fail-safe since it might fill the entire SFLASH and
it is not required for the MCU image */
open_flags &= ~_FS_FILE_OPEN_FLAG_COMMIT;
Report("sl_extlib_FlcOpenFile: MCU image"
"name converted to %s \r\n", file_name);
}
return sl_FsOpen((_u8 *)file_name,
FS_MODE_OPEN_CREATE(file_size, open_flags),
ulToken, lFileHandle);
}
}
void ensureCertificateFile(const unsigned char *certificate, unsigned int certificateLen) {
long certificateFile = -1;
short status = sl_FsOpen((unsigned char *)SSL_CA_CERT_FILE_NAME, FS_MODE_OPEN_READ, NULL, &certificateFile);
if (status < 0) {
#ifdef SSL_DEBUG
DEBUG_PRINT("[Parse] Creating certificate file\r\n");
#endif /* SSL_DEBUG */
sl_FsClose(certificateFile, 0, 0, 0);
certificateFile = -1;
status = sl_FsOpen((unsigned char *)SSL_CA_CERT_FILE_NAME,
FS_MODE_OPEN_CREATE(65536, _FS_FILE_OPEN_FLAG_COMMIT | _FS_FILE_PUBLIC_WRITE),
NULL, &certificateFile);
if (status < 0) {
#ifdef SSL_DEBUG
DEBUG_PRINT("[Parse] Error creating certificate file: %d\r\n", status);
if (status == SL_FS_ERR_NO_AVAILABLE_BLOCKS) {
DEBUG_PRINT("[Parse] No available blocks. Need to flash your device file system...\r\n");
}
#endif /* SSL_DEBUG */
return;
}
sl_FsClose(certificateFile, 0, 0, 0);
certificateFile = -1;
status = sl_FsOpen((unsigned char *)SSL_CA_CERT_FILE_NAME, FS_MODE_OPEN_WRITE, NULL, &certificateFile);
if (status < 0) {
#ifdef SSL_DEBUG
DEBUG_PRINT("[Parse] Error creating certificate file: %d\r\n", status);
if (status == SL_FS_ERR_NO_AVAILABLE_BLOCKS) {
DEBUG_PRINT("[Parse] No available blocks. Need to flash your device file system...\r\n");
}
#endif /* SSL_DEBUG */
sl_FsClose(certificateFile, 0, 0, 0);
return;
}
status = sl_FsWrite(certificateFile, 0, (unsigned char*)certificate, certificateLen);
if (status < 0) {
#ifdef SSL_DEBUG
DEBUG_PRINT("[Parse] Error creating certificate file: %d\r\n", status);
if (status == SL_FS_ERR_NO_AVAILABLE_BLOCKS) {
DEBUG_PRINT("[Parse] No available blocks. Need to flash your device file system...\r\n");
}
#endif /* SSL_DEBUG */
}
}
sl_FsClose(certificateFile, 0, 0, 0);
}
void updater_finnish (void) {
_i32 fhandle;
if (updater_data.fhandle > 0) {
sl_LockObjLock (&wlan_LockObj, SL_OS_WAIT_FOREVER);
// close the file being updated
sl_FsClose(updater_data.fhandle, NULL, NULL, 0);
#ifdef WIPY
// if we still have an image pending for verification, leave the boot info as it is
if (!strncmp(IMG_PREFIX, updater_data.path, strlen(IMG_PREFIX)) && sBootInfo.Status != IMG_STATUS_CHECK) {
#else
if (!strncmp(IMG_PREFIX, updater_data.path, strlen(IMG_PREFIX))) {
#endif
#ifdef DEBUG
if (!sl_FsOpen((unsigned char *)IMG_BOOT_INFO, FS_MODE_OPEN_READ, NULL, &fhandle)) {
ASSERT (sizeof(sBootInfo_t) == sl_FsRead(fhandle, 0, (unsigned char *)&sBootInfo, sizeof(sBootInfo_t)));
sl_FsClose(fhandle, 0, 0, 0);
#endif
// open the boot info file for writing
ASSERT (sl_FsOpen((unsigned char *)IMG_BOOT_INFO, FS_MODE_OPEN_WRITE, NULL, &fhandle) == 0);
#ifdef DEBUG
}
else {
// the boot info file doesn't exist yet
_u32 BootInfoCreateFlag = _FS_FILE_OPEN_FLAG_COMMIT | _FS_FILE_PUBLIC_WRITE | _FS_FILE_PUBLIC_READ;
ASSERT (sl_FsOpen ((unsigned char *)IMG_BOOT_INFO, FS_MODE_OPEN_CREATE((2 * sizeof(sBootInfo_t)),
BootInfoCreateFlag), NULL, &fhandle) == 0);
}
#endif
// save the new boot info
#ifdef WIPY
sBootInfo.PrevImg = sBootInfo.ActiveImg;
if (sBootInfo.ActiveImg == IMG_ACT_UPDATE1) {
sBootInfo.ActiveImg = IMG_ACT_UPDATE2;
} else {
sBootInfo.ActiveImg = IMG_ACT_UPDATE1;
}
// the launchxl doesn't have enough flash space for 2 user updates
#else
sBootInfo.PrevImg = IMG_ACT_FACTORY;
sBootInfo.ActiveImg = IMG_ACT_UPDATE1;
#endif
sBootInfo.Status = IMG_STATUS_CHECK;
ASSERT (sizeof(sBootInfo_t) == sl_FsWrite(fhandle, 0, (unsigned char *)&sBootInfo, sizeof(sBootInfo_t)));
sl_FsClose(fhandle, 0, 0, 0);
}
sl_LockObjUnlock (&wlan_LockObj);
updater_data.fhandle = -1;
}
sl_LockObjUnlock (&updater_LockObj);
}
static s32_t failfs_read(spiffs *fs, u32_t addr, u32_t size, u8_t *dst) {
struct mount_info *m = (struct mount_info *) fs->user_data;
_i32 r;
DBG(("failfs_read %d @ %d, cidx %u # %llu, fh %d, valid %d, rw %d",
(int) size, (int) addr, m->cidx, m->seq, (int) m->fh, m->valid, m->rw));
if (!m->valid) return SPIFFS_ERR_NOT_READABLE;
do {
if (m->fh < 0) {
_u8 fname[MAX_FS_CONTAINER_FNAME_LEN];
fs_container_fname(m->cpfx, m->cidx, fname);
r = sl_FsOpen(fname, FS_MODE_OPEN_READ, NULL, &m->fh);
DBG(("fopen %d", (int) r));
if (r < 0) return SPIFFS_ERR_NOT_READABLE;
}
r = sl_FsRead(m->fh, addr, dst, size);
DBG(("read %d", (int) r));
if (r == SL_FS_ERR_INVALID_HANDLE) {
/*
* This happens when SimpleLink is reinitialized - all file handles are
* invalidated. SL has to be reinitialized to e.g. configure WiFi.
*/
m->fh = -1;
}
} while (m->fh < 0);
return (r == size) ? SPIFFS_OK : SPIFFS_ERR_NOT_READABLE;
}
static int prepare_to_write(struct mgos_upd_hal_ctx *ctx,
const struct mgos_upd_file_info *fi,
const char *fname, uint32_t falloc,
struct json_token *part) {
struct json_token expected_sha1 = JSON_INVALID_TOKEN;
json_scanf(part->ptr, part->len, "{cs_sha1: %T}", &expected_sha1);
if (verify_checksum(fname, fi->size, &expected_sha1)) {
LOG(LL_INFO,
("Digest matched for %s %u (%.*s)", fname, (unsigned int) fi->size,
(int) expected_sha1.len, expected_sha1.ptr));
return 0;
}
LOG(LL_INFO, ("Storing %s %u -> %s %u (%.*s)", fi->name,
(unsigned int) fi->size, fname, (unsigned int) falloc,
(int) expected_sha1.len, expected_sha1.ptr));
ctx->cur_fn = (const _u8 *) fname;
sl_FsDel(ctx->cur_fn, 0);
_i32 r = sl_FsOpen(ctx->cur_fn, FS_MODE_OPEN_CREATE(falloc, 0), NULL,
&ctx->cur_fh);
if (r < 0) {
ctx->status_msg = "Failed to create file";
return r;
}
return 1;
}
//*****************************************************************************
//
//! \brief This funtion:
//! - opens the user file for reading
//! - reads the data into application's 'DYNAMIC LIB' section
//! - closes the user file
//!
//! \param[in] p_library_name : Library's name to be loaded
//!
//! \return 0: Success, -ve: Failure
//
//*****************************************************************************
static signed long load_library(const unsigned char *p_library_name)
{
unsigned char *p_dynamic_lib_section = NULL;
signed long file_handle = -1;
unsigned long token = 0;
signed long ret_val = -1;
p_dynamic_lib_section = (unsigned char *)START_OF_DYNAMIC_LIB_SECTION;
// Erase contents @ START_OF_DYNAMIC_LIB_SECTION
memset(p_dynamic_lib_section, '\0', TOTAL_SIZE_OF_DYNAMIC_LIB_SECTION);
// Open the library
ret_val = sl_FsOpen((unsigned char *)p_library_name, FS_MODE_OPEN_READ,\
&token, &file_handle);
if(ret_val < 0)
{
sl_FsClose(file_handle, 0, 0, 0);
ASSERT_ON_ERROR(ret_val);
}
// Load the contents @ START_OF_DYNAMIC_LIB_SECTION
ret_val = sl_FsRead(file_handle, OFFSET_TO_DYNAMIC_LIB_SECTION,\
p_dynamic_lib_section, TOTAL_SIZE_OF_DYNAMIC_LIB_SECTION);
if ((ret_val < 0))
{
sl_FsClose(file_handle, 0, 0, 0);
ASSERT_ON_ERROR(ret_val);
}
/* The first few bytes in this section has the function-table */
gp_ftable = (s_fptr *)p_dynamic_lib_section;
if((NULL == gp_ftable->p_add) ||
(NULL == gp_ftable->p_sub) ||
(NULL == gp_ftable->p_init) ||
(NULL == gp_ftable->p_display))
{
/* Not all required functions are defined by the library - Assert */
ASSERT_ON_ERROR(-1);
}
/* Call functions of the library that was loaded dynamically */
/** Registering the wrapper-functions w/ the library
* There is no way for the libraries (that were loaded dynamically) to know
* the address of functions (and other global variables) defined in ‘loader’.
* Hence, to allow these library functions to access ‘loader’s’ functions
* (and other global variables), ‘loader shall have all such functions
* wrapped, and the address of the wrapper function(s) shall be registered
* with the library
*/
gp_ftable->p_init(&wptr_table);
sl_FsClose(file_handle, 0, 0, 0);
return 0;
}
int VerifyFile(const char *fileToVerify, const char *fileWithSHAHash) {
unsigned long sToken = 0;
long sfileHandle = -1;
uint8_t firstHash[20];
uint8_t secoundHash[21];
long retVal;
memset(firstHash, 0, sizeof(firstHash));
memset(secoundHash, 0, sizeof(secoundHash));
// get hash of file to verify
if (ComputeSHA(fileToVerify, firstHash) < 0) {
UART_PRINT("Error computing SHA1SUM of %s\r\n", fileToVerify);
return -1;
}
// open the source file for reading
retVal = sl_FsOpen((unsigned char *) fileWithSHAHash, FS_MODE_OPEN_READ, &sToken, &sfileHandle);
if (retVal < 0) {
UART_PRINT("Error during opening the source file %s\r\n", fileWithSHAHash);
return -1;
}
// transform the hash from file with sha hash to byte values. The Sha1Sum is decoded in ascii chars
unsigned int i;
for (i = 0; i < sizeof(firstHash); i++) {
retVal = sl_FsRead(sfileHandle, i * 2, (unsigned char *) &secoundHash[i], 2);
if (retVal < 0) {
// Error close the file and delete the temporary file
retVal = sl_FsClose(sfileHandle, 0, 0, 0);
UART_PRINT("Error during reading the file\r\n");
return -1;
}
uint8_t tempValue;
if (secoundHash[i] > '9') tempValue = (secoundHash[i] - 'a' + 10) << 4;
else tempValue = (secoundHash[i] - '0') << 4;
if (secoundHash[i + 1] > '9') tempValue += (secoundHash[i + 1] - 'a' + 10);
else tempValue += (secoundHash[i + 1] - '0');
secoundHash[i] = tempValue;
}
// Close the opened files
retVal = sl_FsClose(sfileHandle, 0, 0, 0);
if (retVal < 0) {
// Error close the file and delete the temporary file
UART_PRINT("Error during close the file\r\n");
return -1;
}
if (memcmp(secoundHash, firstHash, sizeof(firstHash)) != 0) {
UART_PRINT("\r\nHash-Sums are different\r\n");
return -1;
}
return 0;
}
_i32 sl_extlib_FlcOpenFile(_u8 *file_name, _i32 file_size, _u32 *ulToken, _i32 *lFileHandle, _i32 open_flags)
{
char uclocalFilename[100];
if(open_flags == _FS_MODE_OPEN_READ)
{
return sl_FsOpen((_u8 *)file_name,
_FS_MODE_OPEN_READ, ulToken, lFileHandle);
}
else
{
/* MCU image name should be changed */
if(strstr((char *)file_name, "/sys/mcuimgA") != NULL)
{
switch(_McuImageGetNewIndex())
{
case IMG_ACT_USER1:
strcpy(uclocalFilename,IMG_USER_1);
break;
case IMG_ACT_USER2:
strcpy(uclocalFilename,IMG_USER_2);
break;
}
/* make sure that the file is not opened as
fail-safe since it might fill the entire SFLASH and
it is not required for the MCU image */
open_flags &= ~_FS_FILE_OPEN_FLAG_COMMIT;
Report("sl_extlib_FlcOpenFile: MCU image"
"name converted to %s \r\n", uclocalFilename);
}
else
{
strcpy(uclocalFilename,(char *)file_name);
}
return sl_FsOpen((_u8 *)uclocalFilename,
FS_MODE_OPEN_CREATE(file_size, open_flags),
ulToken, lFileHandle);
}
}
//*****************************************************************************
//! Load the proper image based on the information from the boot info
//! and launch it.
//*****************************************************************************
static void bootmgr_image_loader(sBootInfo_t *psBootInfo) {
_i32 fhandle;
_u8 *image;
// search for the active image
switch (psBootInfo->ActiveImg) {
case IMG_ACT_UPDATE1:
image = (unsigned char *)IMG_UPDATE1;
break;
case IMG_ACT_UPDATE2:
image = (unsigned char *)IMG_UPDATE2;
break;
default:
image = (unsigned char *)IMG_FACTORY;
break;
}
// do we have a new image that needs to be verified?
if ((psBootInfo->ActiveImg != IMG_ACT_FACTORY) && (psBootInfo->Status == IMG_STATUS_CHECK)) {
if (!bootmgr_verify(image)) {
// verification failed, delete the broken file
sl_FsDel(image, 0);
// switch to the previous image
psBootInfo->ActiveImg = psBootInfo->PrevImg;
psBootInfo->PrevImg = IMG_ACT_FACTORY;
}
// in any case, change the status to "READY"
psBootInfo->Status = IMG_STATUS_READY;
// write the new boot info
if (!sl_FsOpen((unsigned char *)IMG_BOOT_INFO, FS_MODE_OPEN_WRITE, NULL, &fhandle)) {
sl_FsWrite(fhandle, 0, (unsigned char *)psBootInfo, sizeof(sBootInfo_t));
// close the file
sl_FsClose(fhandle, 0, 0, 0);
}
}
// this one might modify the boot info hence it MUST be called after
// bootmgr_verify! (so that the changes are not saved to flash)
wait_for_safe_boot(psBootInfo);
// select the active image again, since it might have changed
switch (psBootInfo->ActiveImg) {
case IMG_ACT_UPDATE1:
image = (unsigned char *)IMG_UPDATE1;
break;
case IMG_ACT_UPDATE2:
image = (unsigned char *)IMG_UPDATE2;
break;
default:
image = (unsigned char *)IMG_FACTORY;
break;
}
bootmgr_load_and_execute(image);
}
static _i32 fs_create_container(int cidx, _u32 fs_size) {
_i32 fh = -1;
const _u8 *fname = container_fname(cidx);
_u32 fsize = FS_CONTAINER_SIZE(fs_size);
int r = sl_FsDel(fname, 0);
dprintf(("del %s -> %d\n", fname, r));
r = sl_FsOpen(fname, FS_MODE_OPEN_CREATE(fsize, 0), NULL, &fh);
dprintf(("open %s %d -> %d %d\n", fname, (int) fsize, (int) r, (int) fh));
if (r != 0) return r;
return fh;
}
//*****************************************************************************
//
//! This funtion includes the following steps:
//! -open the user file for reading
//! -read the data and compare with the stored buffer
//! -close the user file
//!
//! /param[in] ulToken : file token
//! /param[in] lFileHandle : file handle
//!
//! /return 0: success, -ve:failure
//
//*****************************************************************************
long ReadFileFromDevice(unsigned long ulToken, long lFileHandle)
{
long lRetVal = -1;
int iLoopCnt = 0;
//
// open a user file for reading
//
lRetVal = sl_FsOpen((unsigned char *)USER_FILE_NAME,
FS_MODE_OPEN_READ,
&ulToken,
&lFileHandle);
if(lRetVal < 0)
{
lRetVal = sl_FsClose(lFileHandle, 0, 0, 0);
ASSERT_ON_ERROR(FILE_OPEN_READ_FAILED);
}
//
// read the data and compare with the stored buffer
//
for (iLoopCnt = 0;
iLoopCnt < (SL_MAX_FILE_SIZE / sizeof(gaucOldMacDonald));
iLoopCnt++)
{
lRetVal = sl_FsRead(lFileHandle,
(unsigned int)(iLoopCnt * sizeof(gaucOldMacDonald)),
gaucCmpBuf, sizeof(gaucOldMacDonald));
if ((lRetVal < 0) || (lRetVal != sizeof(gaucOldMacDonald)))
{
lRetVal = sl_FsClose(lFileHandle, 0, 0, 0);
ASSERT_ON_ERROR(FILE_READ_FAILED);
}
lRetVal = memcmp(gaucOldMacDonald,
gaucCmpBuf,
sizeof(gaucOldMacDonald));
if (lRetVal != 0)
{
ASSERT_ON_ERROR(FILE_NOT_MATCHED);
}
}
//
// close the user file
//
lRetVal = sl_FsClose(lFileHandle, 0, 0, 0);
if (SL_RET_CODE_OK != lRetVal)
{
ASSERT_ON_ERROR(FILE_CLOSE_ERROR);
}
return SUCCESS;
}
int fs_slfs_open(const char *pathname, int flags, mode_t mode) {
int fd;
for (fd = 0; fd < MAX_OPEN_SLFS_FILES; fd++) {
if (s_sl_fds[fd].fh <= 0) break;
}
if (fd >= MAX_OPEN_SLFS_FILES) return set_errno(ENOMEM);
struct sl_fd_info *fi = &s_sl_fds[fd];
_u32 am = 0;
fi->size = (size_t) -1;
if (pathname[0] == '/') pathname++;
int rw = (flags & 3);
if (rw == O_RDONLY) {
SlFsFileInfo_t sl_fi;
_i32 r = sl_FsGetInfo((const _u8 *) pathname, 0, &sl_fi);
if (r == SL_FS_OK) {
fi->size = sl_fi.FileLen;
}
am = FS_MODE_OPEN_READ;
} else {
if (!(flags & O_TRUNC) || (flags & O_APPEND)) {
// FailFS files cannot be opened for append and will be truncated
// when opened for write.
return set_errno(ENOTSUP);
}
if (flags & O_CREAT) {
size_t i, size = FS_SLFS_MAX_FILE_SIZE;
for (i = 0; i < MAX_OPEN_SLFS_FILES; i++) {
if (s_sl_file_size_hints[i].name != NULL &&
strcmp(s_sl_file_size_hints[i].name, pathname) == 0) {
size = s_sl_file_size_hints[i].size;
free(s_sl_file_size_hints[i].name);
s_sl_file_size_hints[i].name = NULL;
break;
}
}
DBG(("creating %s with max size %d", pathname, (int) size));
am = FS_MODE_OPEN_CREATE(size, 0);
} else {
am = FS_MODE_OPEN_WRITE;
}
}
_i32 r = sl_FsOpen((_u8 *) pathname, am, NULL, &fi->fh);
DBG(("sl_FsOpen(%s, 0x%x) = %d, %d", pathname, (int) am, (int) r,
(int) fi->fh));
if (r == SL_FS_OK) {
fi->pos = 0;
r = fd;
} else {
fi->fh = -1;
r = set_errno(sl_fs_to_errno(r));
}
return r;
}
_i32 fs_create_container(const char *cpfx, int cidx, _u32 fs_size) {
_i32 fh = -1;
_u8 fname[MAX_FS_CONTAINER_FNAME_LEN];
_u32 fsize = FS_CONTAINER_SIZE(fs_size);
fs_container_fname(cpfx, cidx, fname);
int r = sl_FsDel(fname, 0);
DBG(("del %s -> %d", fname, r));
r = sl_FsOpen(fname, FS_MODE_OPEN_CREATE(fsize, 0), NULL, &fh);
LOG((r == 0 ? LL_DEBUG : LL_ERROR),
("open %s %d -> %d %d", fname, (int) fsize, (int) r, (int) fh));
if (r != 0) return r;
return fh;
}
short loadClientState(ParseClientInternal *parseClient) {
snprintf(clientStateFileName, CLIENT_STATE_FILENAME_LEN, CLIENT_STATE_FILENAME, parseClient->applicationId);
long clientStateFile;
#ifdef CLIENT_DEBUG
DEBUG_PRINT("[Parse] Loading client state\r\n");
#endif /* CLIENT_DEBUG */
short status = sl_FsOpen((unsigned char *)clientStateFileName, FS_MODE_OPEN_READ, NULL, &clientStateFile);
if (status < 0) {
sl_FsClose(clientStateFile, 0, 0, 0);
return status;
}
long readOffset = 0;
status = sl_FsRead(clientStateFile, readOffset, (unsigned char *)parseClient->installationId, sizeof(parseClient->installationId));
if (status < 0) {
sl_FsClose(clientStateFile, 0, 0, 0);
return status;
}
#ifdef CLIENT_DEBUG
DEBUG_PRINT("[Parse] Installation Id: %s\r\n", parseClient->installationId);
#endif /* CLIENT_DEBUG */
readOffset = readOffset + status;
status = sl_FsRead(clientStateFile, readOffset, (unsigned char *)parseClient->sessionToken, sizeof(parseClient->sessionToken));
if (status < 0) {
sl_FsClose(clientStateFile, 0, 0, 0);
return status;
}
#ifdef CLIENT_DEBUG
DEBUG_PRINT("[Parse] Session token: %s\r\n", parseClient->sessionToken);
#endif /* CLIENT_DEBUG */
readOffset = readOffset + status;
status = sl_FsRead(clientStateFile, readOffset, (unsigned char *)parseClient->lastPushHash, sizeof(parseClient->lastPushHash));
if (status < 0) {
sl_FsClose(clientStateFile, 0, 0, 0);
return status;
}
#ifdef CLIENT_DEBUG
DEBUG_PRINT("[Parse] Last push hash: %s\r\n", parseClient->lastPushHash);
#endif /* CLIENT_DEBUG */
sl_FsClose(clientStateFile, 0, 0, 0);
return status;
}
static bool sflash_access (_u32 mode, _i32 (* sl_FsFunction)(_i32 FileHdl, _u32 Offset, _u8* pData, _u32 Len)) {
_i32 fileHandle;
bool retval = false;
// wlan must be enabled in order to access the serial flash
sl_LockObjLock (&wlan_LockObj, SL_OS_WAIT_FOREVER);
if (0 == sl_FsOpen(sflash_block_name, mode, NULL, &fileHandle)) {
if (SFLASH_BLOCK_SIZE == sl_FsFunction (fileHandle, 0, sflash_block_cache, SFLASH_BLOCK_SIZE)) {
retval = true;
}
sl_FsClose (fileHandle, NULL, NULL, 0);
}
sl_LockObjUnlock (&wlan_LockObj);
return retval;
}
static s32_t failfs_read(u32_t addr, u32_t size, u8_t *dst) {
struct mount_info *m = &s_fsm;
_i32 r;
dprintf(("failfs_read %d @ %d, cidx %u # %llu, fh %d, valid %d, rw %d\n",
(int) size, (int) addr, m->cidx, m->seq, (int) m->fh, m->valid,
m->rw));
if (!m->valid) return SPIFFS_ERR_NOT_READABLE;
if (m->fh < 0) {
r = sl_FsOpen(container_fname(m->cidx), FS_MODE_OPEN_READ, NULL, &m->fh);
dprintf(("fopen %d\n", (int) r));
if (r < 0) return SPIFFS_ERR_NOT_READABLE;
}
r = sl_FsRead(m->fh, addr, dst, size);
dprintf(("read %d\n", (int) r));
return (r == size) ? SPIFFS_OK : SPIFFS_ERR_NOT_READABLE;
}
//*****************************************************************************
//! Verifies the integrity of the new application binary
//*****************************************************************************
static bool bootmgr_verify (_u8 *image) {
SlFsFileInfo_t FsFileInfo;
_u32 reqlen, offset = 0;
_i32 fHandle;
// open the file for reading
if (0 == sl_FsOpen(image, FS_MODE_OPEN_READ, NULL, &fHandle)) {
// get the file size
sl_FsGetInfo(image, 0, &FsFileInfo);
if (FsFileInfo.FileLen > BOOTMGR_HASH_SIZE) {
FsFileInfo.FileLen -= BOOTMGR_HASH_SIZE;
CRYPTOHASH_SHAMD5Start(BOOTMGR_HASH_ALGO, FsFileInfo.FileLen);
do {
if ((FsFileInfo.FileLen - offset) > BOOTMGR_BUFF_SIZE) {
reqlen = BOOTMGR_BUFF_SIZE;
}
else {
reqlen = FsFileInfo.FileLen - offset;
}
offset += sl_FsRead(fHandle, offset, bootmgr_file_buf, reqlen);
CRYPTOHASH_SHAMD5Update(bootmgr_file_buf, reqlen);
} while (offset < FsFileInfo.FileLen);
CRYPTOHASH_SHAMD5Read (bootmgr_file_buf);
// convert the resulting hash to hex
for (_u32 i = 0; i < (BOOTMGR_HASH_SIZE / 2); i++) {
snprintf ((char *)&bootmgr_hash_buf[(i * 2)], 3, "%02x", bootmgr_file_buf[i]);
}
// read the hash from the file and close it
sl_FsRead(fHandle, offset, bootmgr_file_buf, BOOTMGR_HASH_SIZE);
sl_FsClose (fHandle, NULL, NULL, 0);
bootmgr_file_buf[BOOTMGR_HASH_SIZE] = '\0';
// compare both hashes
if (!strcmp((const char *)bootmgr_hash_buf, (const char *)bootmgr_file_buf)) {
// it's a match
return true;
}
}
// close the file
sl_FsClose(fHandle, NULL, NULL, 0);
}
return false;
}
bool updater_start (void) {
_u32 AccessModeAndMaxSize = FS_MODE_OPEN_WRITE;
SlFsFileInfo_t FsFileInfo;
bool result = false;
sl_LockObjLock (&wlan_LockObj, SL_OS_WAIT_FOREVER);
if (0 != sl_FsGetInfo((_u8 *)updater_data.path, 0, &FsFileInfo)) {
// file doesn't exist, create it
AccessModeAndMaxSize = FS_MODE_OPEN_CREATE(updater_data.fsize, 0);
}
if (!sl_FsOpen((_u8 *)updater_data.path, AccessModeAndMaxSize, NULL, &updater_data.fhandle)) {
updater_data.foffset = 0;
result = true;
}
sl_LockObjUnlock (&wlan_LockObj);
return result;
}
static int read_file(const char *fn, int offset, int len, read_file_cb_t cb,
void *arg) {
_i32 fh;
int r = sl_FsOpen((const _u8 *) fn, FS_MODE_OPEN_READ, NULL, &fh);
if (r < 0) return r;
while (len > 0) {
_u8 buf[512];
int to_read = MIN(len, sizeof(buf));
r = sl_FsRead(fh, offset, buf, to_read);
if (r != to_read) break;
if (cb(buf, to_read, arg) != to_read) break;
offset += to_read;
len -= to_read;
}
sl_FsClose(fh, NULL, NULL, 0);
return (len == 0 ? 0 : -1);
}
DRESULT sflash_disk_init (void) {
_i32 fileHandle;
SlFsFileInfo_t FsFileInfo;
if (!sflash_init_done) {
// Allocate space for the block cache
ASSERT ((sflash_block_cache = mem_Malloc(SFLASH_BLOCK_SIZE)) != NULL);
sflash_init_done = true;
sflash_prblock = UINT32_MAX;
sflash_cache_is_dirty = false;
// In order too speed up booting, check the last block, if exists, then
// it means that the file system has been already created
print_block_name (SFLASH_BLOCK_COUNT - 1);
sl_LockObjLock (&wlan_LockObj, SL_OS_WAIT_FOREVER);
if (!sl_FsGetInfo(sflash_block_name, 0, &FsFileInfo)) {
sl_LockObjUnlock (&wlan_LockObj);
return RES_OK;
}
sl_LockObjUnlock (&wlan_LockObj);
// Proceed to format the memory
for (int i = 0; i < SFLASH_BLOCK_COUNT; i++) {
print_block_name (i);
sl_LockObjLock (&wlan_LockObj, SL_OS_WAIT_FOREVER);
// Create the block file if it doesn't exist
if (sl_FsGetInfo(sflash_block_name, 0, &FsFileInfo) != 0) {
if (!sl_FsOpen(sflash_block_name, FS_MODE_OPEN_CREATE(SFLASH_BLOCK_SIZE, 0), NULL, &fileHandle)) {
sl_FsClose(fileHandle, NULL, NULL, 0);
sl_LockObjUnlock (&wlan_LockObj);
memset(sflash_block_cache, 0xFF, SFLASH_BLOCK_SIZE);
if (!sflash_access(FS_MODE_OPEN_WRITE, sl_FsWrite)) {
return RES_ERROR;
}
}
else {
// Unexpected failure while creating the file
sl_LockObjUnlock (&wlan_LockObj);
return RES_ERROR;
}
}
sl_LockObjUnlock (&wlan_LockObj);
}
}
return RES_OK;
}
static _i32 _ReadBootInfo(sBootInfo_t *psBootInfo)
{
_i32 lFileHandle;
_u32 ulToken;
_i32 status = -1;
if( 0 == sl_FsOpen((_u8 *)IMG_BOOT_INFO, FS_MODE_OPEN_READ, &ulToken, &lFileHandle) )
{
if( 0 < sl_FsRead(lFileHandle, 0, (_u8 *)psBootInfo, sizeof(sBootInfo_t)) )
{
status = 0;
Report("ReadBootInfo: ucActiveImg=%d, ulImgStatus=0x%x\n\r", psBootInfo->ucActiveImg, psBootInfo->ulImgStatus);
}
sl_FsClose(lFileHandle, 0, 0, 0);
}
return status;
}
//*****************************************************************************
//! Loads the application from sFlash and executes
//*****************************************************************************
static void bootmgr_load_and_execute (_u8 *image) {
SlFsFileInfo_t pFsFileInfo;
_i32 fhandle;
// open the application binary
if (!sl_FsOpen(image, FS_MODE_OPEN_READ, NULL, &fhandle)) {
// get the file size
if (!sl_FsGetInfo(image, 0, &pFsFileInfo)) {
// read the application into SRAM
if (pFsFileInfo.FileLen == sl_FsRead(fhandle, 0, (unsigned char *)APP_IMG_SRAM_OFFSET, pFsFileInfo.FileLen)) {
// close the file
sl_FsClose(fhandle, 0, 0, 0);
// stop the network services
sl_Stop(SL_STOP_TIMEOUT);
// execute the application
bootmgr_run_app(APP_IMG_SRAM_OFFSET);
}
}
}
}
int load_image(const char *fn, _u8 *dst) {
_i32 fh;
SlFsFileInfo_t fi;
_i32 r = sl_FsGetInfo((const _u8 *) fn, 0, &fi);
dbg_putc(r == 0 ? '+' : '-');
if (r != 0) return r;
{
char buf[20];
__utoa(fi.FileLen, buf, 10);
dbg_puts(buf);
}
r = sl_FsOpen((const _u8 *) fn, FS_MODE_OPEN_READ, NULL, &fh);
dbg_putc(r == 0 ? '+' : '-');
if (r != 0) return r;
r = sl_FsRead(fh, 0, dst, fi.FileLen);
if (r != fi.FileLen) return r;
sl_FsClose(fh, NULL, NULL, 0);
return 0;
}
static int fs_get_info(const char *cpfx, int cidx,
struct fs_container_info *info) {
_u8 fname[MAX_FS_CONTAINER_FNAME_LEN];
union fs_container_meta meta;
SlFsFileInfo_t fi;
_i32 fh;
_u32 offset;
fs_container_fname(cpfx, cidx, fname);
_i32 r = sl_FsGetInfo(fname, 0, &fi);
DBG(("finfo %s %d %d %d", fname, (int) r, (int) fi.FileLen,
(int) fi.AllocatedLen));
if (r != 0) return r;
if (fi.AllocatedLen < sizeof(meta)) return -200;
r = sl_FsOpen(fname, FS_MODE_OPEN_READ, NULL, &fh);
DBG(("fopen %s %d", fname, (int) r));
if (r != 0) return r;
offset = fi.FileLen - sizeof(meta);
r = sl_FsRead(fh, offset, (_u8 *) &meta, sizeof(meta));
DBG(("read meta @ %d: %d", (int) offset, (int) r));
if (r != sizeof(meta)) {
r = -201;
goto out_close;
}
if (meta.info.seq > FS_INITIAL_SEQ || meta.info.seq == 0 ||
meta.info.fs_size == ~0UL) {
r = -202;
goto out_close;
}
memcpy(info, &meta.info, sizeof(*info));
DBG(("found fs: %llu %d %d %d %d", info->seq, (int) info->fs_size,
(int) info->fs_block_size, (int) info->fs_page_size,
(int) info->fs_erase_size));
r = 0;
out_close:
sl_FsClose(fh, NULL, NULL, 0);
return r;
}
//*****************************************************************************
//! Load the proper image based on information from boot info and executes it.
//*****************************************************************************
static void bootmgr_image_loader(sBootInfo_t *psBootInfo) {
_i32 fhandle;
if (safe_mode_boot()) {
_u32 count = 0;
while ((BOOTMGR_SAFE_MODE_ENTER_TOOGLE_MS * count++) < BOOTMGR_SAFE_MODE_ENTER_MS) {
// toogle the led
MAP_GPIOPinWrite(MICROPY_SYS_LED_PORT, MICROPY_SYS_LED_PORT_PIN, ~MAP_GPIOPinRead(MICROPY_SYS_LED_PORT, MICROPY_SYS_LED_PORT_PIN));
UtilsDelay(UTILS_DELAY_US_TO_COUNT(BOOTMGR_SAFE_MODE_ENTER_TOOGLE_MS * 1000));
}
psBootInfo->ActiveImg = IMG_ACT_FACTORY;
// turn the led off
MAP_GPIOPinWrite(MICROPY_SYS_LED_PORT, MICROPY_SYS_LED_PORT_PIN, 0);
// request a safe boot to the application
PRCMRequestSafeBoot();
}
// do we have a new update image that needs to be verified?
else if ((psBootInfo->ActiveImg == IMG_ACT_UPDATE) && (psBootInfo->Status == IMG_STATUS_CHECK)) {
if (!bootmgr_verify()) {
// delete the corrupted file
sl_FsDel((_u8 *)IMG_UPDATE, 0);
// switch to the factory image
psBootInfo->ActiveImg = IMG_ACT_FACTORY;
}
// in any case, set the status as "READY"
psBootInfo->Status = IMG_STATUS_READY;
// write the new boot info
if (!sl_FsOpen((unsigned char *)IMG_BOOT_INFO, FS_MODE_OPEN_WRITE, NULL, &fhandle)) {
sl_FsWrite(fhandle, 0, (unsigned char *)psBootInfo, sizeof(sBootInfo_t));
// close the file
sl_FsClose(fhandle, 0, 0, 0);
}
}
// now boot the active image
if (IMG_ACT_UPDATE == psBootInfo->ActiveImg) {
bootmgr_load_and_execute((unsigned char *)IMG_UPDATE);
}
else {
bootmgr_load_and_execute((unsigned char *)IMG_FACTORY);
}
}
int32_t SLFS::open(const uint8_t *filename, int32_t mode)
{
SlFsFileInfo_t finfo;
if (filehandle) {
retval = SLFS_LIB_ERR_FILE_ALREADY_OPEN;
return retval;
}
retval = sl_FsOpen((unsigned char*)filename, mode, NULL, &filehandle);
if (retval != SL_FS_OK)
return retval;
offset = 0;
filesize = 0;
if (mode == FS_MODE_OPEN_READ) {
is_write = false;
// Discover actual filesize
retval = sl_FsGetInfo((unsigned char*)filename, 0, &finfo);
if (retval != SL_FS_OK) {
sl_FsClose(filehandle, NULL, NULL, 0);
filehandle = 0;
return retval;
}
filesize = finfo.FileLen;
} else {
is_write = true;
// Discover maximum file size, store in 'filesize' so we know when to reject writes.
retval = sl_FsGetInfo((unsigned char*)filename, 0, &finfo);
if (retval != SL_FS_OK) {
sl_FsClose(filehandle, NULL, NULL, 0);
filehandle = 0;
return retval;
}
filesize = finfo.AllocatedLen;
}
return retval;
}
bool updater_check_path (void *path) {
sl_LockObjLock (&updater_LockObj, SL_OS_WAIT_FOREVER);
if (!strcmp(UPDATER_IMG_PATH, path)) {
updater_data.fsize = IMG_SIZE;
updater_data.path = IMG_UPDATE1;
// the launchxl doesn't have enough flash space for 2 user update images
#ifdef WIPY
// check which one should be the next active image
_i32 fhandle;
if (!sl_FsOpen((unsigned char *)IMG_BOOT_INFO, FS_MODE_OPEN_READ, NULL, &fhandle)) {
ASSERT (sizeof(sBootInfo_t) == sl_FsRead(fhandle, 0, (unsigned char *)&sBootInfo, sizeof(sBootInfo_t)));
sl_FsClose(fhandle, 0, 0, 0);
// if we still have an image pending for verification, keep overwriting it
if ((sBootInfo.Status == IMG_STATUS_CHECK && sBootInfo.ActiveImg == IMG_ACT_UPDATE2) ||
(sBootInfo.ActiveImg == IMG_ACT_UPDATE1 && sBootInfo.Status != IMG_STATUS_CHECK)) {
updater_data.path = IMG_UPDATE2;
}
}
#endif
} else if (!strcmp(UPDATER_SRVPACK_PATH, path)) {
updater_data.path = IMG_SRVPACK;
updater_data.fsize = SRVPACK_SIZE;
} else if (!strcmp(UPDATER_SIGN_PATH, path)) {
updater_data.path = SRVPACK_SIGN;
updater_data.fsize = SIGN_SIZE;
} else if (!strcmp(UPDATER_CA_PATH, path)) {
updater_data.path = CA_FILE;
updater_data.fsize = CA_KEY_SIZE;
} else if (!strcmp(UPDATER_CERT_PATH, path)) {
updater_data.path = CERT_FILE;
updater_data.fsize = CA_KEY_SIZE;
} else if (!strcmp(UPDATER_KEY_PATH, path)) {
updater_data.path = KEY_FILE;
updater_data.fsize = CA_KEY_SIZE;
} else {
sl_LockObjUnlock (&updater_LockObj);
return false;
}
return true;
}
/**
* Initialize HttpStatic module state for a new request, and identify the request
* This function examines the specified resource string, and looks it up in the Flash Database.
* If found, it commits to process this request by returning nonzero. Otherwise it returns zero.
* @param uConnection The number of the connection. This value is guaranteed to satisfy: 0 <= uConnection < HTTP_CORE_MAX_CONNECTIONS
* @param resource The resource part of the URL, as specified by the browser in the request, including any query string (and hash).
* Note: The resource string exists ONLY during the call to this function. The string pointer should not be copied by this function.
* @return nonzero if request is to be handled by this module. zero if not.
*/
int HttpStatic_InitRequest(UINT16 uConnection, struct HttpBlob resource)
{
char *pcWWWFsDir = "www";
memset(g_cFileName,'\0',40);
if(resource.uLength ==1 && *(resource.pData)=='/')
{
strcpy(g_cFileName,"www/main.html");
}
else
{
strcpy(g_cFileName,pcWWWFsDir);
strncat(g_cFileName,(char*)resource.pData,resource.uLength);
}
if(sl_FsOpen((unsigned char*)g_cFileName,FS_MODE_OPEN_READ,NULL,&glFileHandle)<0)
return 0;
else
{
return 1;
}
}
static int fs_get_info(int cidx, struct fs_info *info) {
union fs_meta meta;
SlFsFileInfo_t fi;
_i32 fh;
_u32 offset;
_i32 r = sl_FsGetInfo(container_fname(cidx), 0, &fi);
dprintf(("finfo %s %d %d %d\n", container_fname(cidx), (int) r,
(int) fi.FileLen, (int) fi.AllocatedLen));
if (r != 0) return r;
if (fi.AllocatedLen < sizeof(meta)) return -200;
r = sl_FsOpen(container_fname(cidx), FS_MODE_OPEN_READ, NULL, &fh);
dprintf(("fopen %s %d\n", container_fname(cidx), (int) r));
if (r != 0) return r;
offset = fi.FileLen - sizeof(meta);
r = sl_FsRead(fh, offset, (_u8 *) &meta, sizeof(meta));
dprintf(("read meta @ %d: %d\n", (int) offset, (int) r));
if (r != sizeof(meta)) {
r = -201;
goto out_close;
}
if (meta.info.seq > INITIAL_SEQ || meta.info.fs_size < 0) {
r = -202;
goto out_close;
}
memcpy(info, &meta.info, sizeof(*info));
dprintf(("found fs: %llu %d %d %d\n", info->seq, (int) info->fs_size,
(int) info->fs_block_size, (int) info->fs_page_size));
r = 0;
out_close:
sl_FsClose(fh, NULL, NULL, 0);
return r;
}
/* Standard libc interface to TI SimpleLink FS. */
#if defined(MG_FS_SLFS) || defined(CC3200_FS_SLFS)
#include "common/platforms/simplelink/sl_fs_slfs.h"
#include <errno.h>
#if CS_PLATFORM == CS_P_CC3200
#include <inc/hw_types.h>
#endif
#include "common/cs_dbg.h"
#include "common/mg_mem.h"
#if SL_MAJOR_VERSION_NUM < 2
int slfs_open(const unsigned char *fname, uint32_t flags) {
_i32 fh;
_i32 r = sl_FsOpen(fname, flags, NULL /* token */, &fh);
return (r < 0 ? r : fh);
}
#else /* SL_MAJOR_VERSION_NUM >= 2 */
int slfs_open(const unsigned char *fname, uint32_t flags) {
return sl_FsOpen(fname, flags, NULL /* token */);
}
