void telnet_cat( file_handle_t handle, char** argv, unsigned int argc )
{
if( argc != 2 )
{
file_puts("cat [filename]\r\n", telnet_handle);
return;
}
u8_t* scratch = malloc(SECTOR_SIZE);
VOLINFO* volinfo = malloc( sizeof(VOLINFO) );
FILEINFO* file = malloc( sizeof(FILEINFO) );
u8_t* read_buf = malloc( SEND_BUF_SIZE );
//get partition start sector
uint32_t startsector = DFS_GetPtnStart( 0, scratch, 0 , NULL, NULL, NULL );
if( startsector == DFS_ERRMISC )
{
file_puts("Error finding partition start\r\n", handle);
goto exit;
}
//get volume info
if( DFS_GetVolInfo(0,scratch,startsector,volinfo) )
{
file_puts("Error getting volume info\r\n", handle);
goto exit;
}
//open file
if( DFS_OpenFile( volinfo, (u8_t*)argv[1], DFS_READ, scratch, file ) )
{
file_puts("Error opening file ", handle);
file_puts( argv[1], handle );
file_puts( CRLF, handle );
goto exit;
}
//read it to the output handle
uint32_t read = 0;
//TODO - would like the use the send buffer as THE buffer
while( read < file->filelen )
{
uint32_t did_read;
DFS_ReadFile( file, scratch, read_buf, &did_read, SEND_BUF_SIZE );
if( did_read == 0 )
{
file_puts("Error reading file ", handle);
file_puts( argv[1], handle );
file_puts( CRLF, handle );
goto exit;
}
u16_t i = 0;
for( ; i < did_read; i++ )
{
file_putchar( read_buf[i], handle );
}
read += did_read;
}
exit:
free( read_buf );
free( file );
free( volinfo );
free( scratch );
}
// function called by fread
static int File_read(FILE *fp, unsigned char *buf, int count)
{
int retval;
uint32_t successcount;
PFILEINFO fileinfo = (PFILEINFO)fp->drvarg[0];
retval = DFS_ReadFile(fileinfo, dfs_scratch, buf, &successcount, count);
if (retval != DFS_OK)
{
successcount = 0;
errno = dfs_stdio_errno(retval);
}
return successcount;
}
/* fatfsGet():
* Retreive a file from the FATFS and place it in the specified destination.
* The destination may be either a TFS filename or a hex address
* (indicated by a leading "0x").
*
* Input:
* char *fatfspath
* Pointer to FATFS file and path.
* char *dest
* Pointer to TFS filename or a addr,len string.
* The expected "addr,len" syntax is 0xADDR,LEN or 0xADDR,0xLEN.
*/
static int
fatfsGet(char *fatfile, char *dest)
{
FILEINFO fi;
char *p, tfs;
uint32_t i;
if (DFS_OpenFile(&vi, (uint8_t *)fatfile, DFS_READ, sector, &fi)) {
printf("error opening file\n");
return(-1);
}
if (strncmp(dest,"0x",2) == 0) {
tfs = 0;
p = (char *)strtoul(dest,0,0);
}
else {
tfs = 1;
p = fatfs_tmp_space;
}
DFS_ReadFile(&fi, sector, (uint8_t *)p, &i, fi.filelen);
if (i != fi.filelen) {
printf("read %d, expected %d\n",i,fi.filelen);
return(-1);
}
if (tfs) {
#if INCLUDE_TFS
int tfserr;
char *flags, *info;
flags = info = (char *)0;
if ((flags = strchr(dest,','))) {
*flags++ = 0;
if ((info = strchr(flags,',')))
*info++ = 0;
}
tfserr = tfsadd(dest,info,flags,(uchar *)p,fi.filelen);
if (tfserr != TFS_OKAY) {
printf("TFS error: %s\n",tfserrmsg(tfserr));
return(-1);
}
#else
printf("TFS not built in\n");
return(-1);
#endif
}
return(0);
}
/* fatfsCat():
* Dump the content of the specified fatfs file to the console.
* This function assumes the data is ASCII.
*/
static int
fatfsCat(char *filepath)
{
uint32_t i, j;
FILEINFO fi;
uint8_t *p;
if (DFS_OpenFile(&vi, (uint8_t *)filepath, DFS_READ, sector, &fi)) {
printf("error opening '%s'\n",filepath);
return(-1);
}
p = (uint8_t *)fatfs_tmp_space;
DFS_ReadFile(&fi, sector, p, &i, fi.filelen);
for(j=0;j<fi.filelen;j++)
putchar(*p++);
putchar('\n');
return(0);
}
int main(int _argc, char *_argv[])
{
uint32_t pstart, psize, i;
uint8_t pactive, ptype;
uint8_t sector[SECTOR_SIZE], sector2[SECTOR_SIZE];
VOLINFO vi;
DIRINFO di;
DIRENT de;
uint32_t cache;
FILEINFO fi;
uint8_t *p;
if (_argc < 2) {
printf("Usage: %s [image_file]\n", _argv[0]);
return -1;
}
// Attach user-specified image file
if (DFS_HostAttach(_argv[1])) {
printf("Cannot attach image file '%s'\n", _argv[1]);
return -1;
}
// Obtain pointer to first partition on first (only) unit
pstart = DFS_GetPtnStart(0, sector, 0, &pactive, &ptype, &psize);
if (pstart == 0xffffffff) {
printf("Cannot find first partition\n");
return -1;
}
printf("Partition 0 start sector 0x%-08.8lX active %-02.2hX type %-02.2hX size %-08.8lX\n", pstart, pactive, ptype, psize);
if (DFS_GetVolInfo(0, sector, pstart, &vi)) {
printf("Error getting volume information\n");
return -1;
}
printf("Volume label '%-11.11s'\n", vi.label);
printf("%d sector/s per cluster, %d reserved sector/s, volume total %d sectors.\n", vi.secperclus, vi.reservedsecs, vi.numsecs);
printf("%d sectors per FAT, first FAT at sector #%d, root dir at #%d.\n",vi.secperfat,vi.fat1,vi.rootdir);
printf("(For FAT32, the root dir is a CLUSTER number, FAT12/16 it is a SECTOR number)\n");
printf("%d root dir entries, data area commences at sector #%d.\n",vi.rootentries,vi.dataarea);
printf("%d clusters (%d bytes) in data area, filesystem IDd as ", vi.numclusters, vi.numclusters * vi.secperclus * SECTOR_SIZE);
if (vi.filesystem == FAT12)
printf("FAT12.\n");
else if (vi.filesystem == FAT16)
printf("FAT16.\n");
else if (vi.filesystem == FAT32)
printf("FAT32.\n");
else
printf("[unknown]\n");
//------------------------------------------------------------
// Directory enumeration test
di.scratch = sector;
// if (DFS_OpenDir(&vi, "", &di)) {
// printf("Error opening root directory\n");
// return -1;
// }
if (DFS_OpenDir(&vi, "MYDIR1", &di)) {
printf("error opening subdirectory\n");
return -1;
}
while (!DFS_GetNext(&vi, &di, &de)) {
if (de.name[0])
printf("file: '%-11.11s'\n", de.name);
}
//------------------------------------------------------------
// Unlink test
// cache = 0;
// printf("*** FAT BEFORE ***\n");
// for (i=0;i<vi.numclusters;i++) {
// printf("entry %-08.8x, %-08.8X\n", i, DFS_GetFAT(&vi, sector, &cache, i));
// }
// if (DFS_UnlinkFile(&vi, "MYDIR1/SUBDIR1.2/README.TXT", sector)) {
// printf("error unlinking file\n");
// }
// printf("*** FAT AFTER ***\n");
// for (i=0;i<vi.numclusters;i++) {
// printf("entry %-08.8x, %-08.8X\n", i, DFS_GetFAT(&vi, sector, &cache, i));
// }
//------------------------------------------------------------
// File write test
if (DFS_OpenFile(&vi, "MYDIR1/WRTEST.TXT", DFS_WRITE, sector, &fi)) {
printf("error opening file\n");
return -1;
}
for (i=0;i<18;i++) {
memset(sector2, 128+i, SECTOR_SIZE);
DFS_WriteFile(&fi, sector, sector2, &cache, SECTOR_SIZE/2);
memset(sector2+256, 255-i, SECTOR_SIZE/2);
DFS_WriteFile(&fi, sector, sector2+256, &cache, SECTOR_SIZE/2);
}
sprintf(sector2, "test string at the end...");
DFS_WriteFile(&fi, sector, sector2, &cache, strlen(sector2));
//------------------------------------------------------------
// File read test
printf("Readback test\n");
if (DFS_OpenFile(&vi, "MYDIR1/WRTEST.TXT", DFS_READ, sector, &fi)) {
printf("error opening file\n");
return -1;
}
p = (void *) malloc(fi.filelen+512);
memset(p, 0xaa, fi.filelen+512);
DFS_ReadFile(&fi, sector, p, &i, fi.filelen);
printf("read complete %d bytes (expected %d) pointer %d\n", i, fi.filelen, fi.pointer);
{
FILE *fp;
fp=fopen("test.txt","wb");
fwrite(p, fi.filelen+512, 1, fp);
fclose(fp);
}
return 0;
}
static
bool
encrypt_file(PVOLINFO vi, byte *scratch, char *rfilename, int rfilesize, char *wfilename, int wfilesize)
{
int ms;
int ms2;
int filesize;
FILEINFO rfi;
FILEINFO wfi;
uint32 actual;
uint32 result;
uint32 initial;
header_t *header;
byte chain[16];
ms = ticks;
initial = seconds;
// open the input file, if specified
if (rfilename && DFS_OpenFile(vi, (unsigned char *)rfilename, DFS_READ, scratch, &rfi)) {
return false;
}
// open the output file
if (DFS_OpenFile(vi, (unsigned char *)wfilename, DFS_WRITE, scratch, &wfi)) {
return false;
}
filesize = 0;
if (rfilename) {
// first encrypt the header
memset(big_buffer, 0, sizeof(big_buffer));
header = (header_t *)big_buffer;
header->filesize = rfilesize;
strcpy(header->filename, rfilename);
aes_pre_enc(params.aesbits, params.aeskey, chain);
// encrypt the next block of data
aes_enc(chain, sizeof(big_buffer), big_buffer);
ms2 = ticks;
if (DFS_WriteFile(&wfi, scratch, big_buffer, &actual, sizeof(big_buffer))) {
return false;
}
write_ticks += ticks-ms2;
assert(actual == sizeof(big_buffer));
filesize += actual;
encrypt_bytes += actual;
// then read all the data of the file
for (;;) {
if (panic) {
return false;
}
ms2 = ticks;
result = DFS_ReadFile(&rfi, scratch, big_buffer, &actual, sizeof(big_buffer));
if (result == DFS_EOF || (! result && ! actual)) {
break;
}
read_ticks += ticks-ms2;
if (result) {
return false;
}
assert(actual && actual <= sizeof(big_buffer));
memset(big_buffer+actual, 0, sizeof(big_buffer)-actual);
// encrypt the next block of data
aes_enc(chain, sizeof(big_buffer), big_buffer);
ms2 = ticks;
result = DFS_WriteFile(&wfi, scratch, big_buffer, &actual, sizeof(big_buffer));
if (result) {
return false;
}
write_ticks += ticks-ms2;
assert(actual == sizeof(big_buffer));
filesize += actual;
encrypt_bytes += actual;
}
}
// wipe the input file up to its original length
memset(big_buffer, 0, sizeof(big_buffer));
while (filesize < wfilesize) {
if (panic) {
return false;
}
ms2 = ticks;
if (DFS_WriteFile(&wfi, scratch, big_buffer, &actual, sizeof(big_buffer))) {
return false;
}
write_ticks += ticks-ms2;
assert(actual == sizeof(big_buffer));
filesize += actual;
}
DFS_HostFlush(0);
encrypt_ticks += ticks-ms;
#if ! _WIN32
led_happy_progress();
#endif
printf(" %d seconds\n", seconds-initial);
return true;
}
