reactos/sdk/tools/fatten/fatten.c

574 lines
16 KiB
C

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS FAT Image Creator
* FILE: tools/fatten/fatten.c
* PURPOSE: FAT Image Creator (for EFI Boot)
* PROGRAMMERS: David Quintana
*/
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <ctype.h>
#include "fatfs/ff.h"
#include "fatfs/diskio.h"
static FATFS g_Filesystem;
static int isMounted = 0;
static unsigned char buff[32768];
// tool needed by fatfs
DWORD get_fattime(void)
{
/* 31-25: Year(0-127 org.1980), 24-21: Month(1-12), 20-16: Day(1-31) */
/* 15-11: Hour(0-23), 10-5: Minute(0-59), 4-0: Second(0-29 *2) */
time_t rawtime;
struct tm * timeinfo;
time(&rawtime);
timeinfo = localtime(&rawtime);
{
union FatTime {
struct {
DWORD Second : 5; // div 2
DWORD Minute : 6;
DWORD Hour : 5;
DWORD Day : 5;
DWORD Month : 4;
DWORD Year : 7; // year-1980
};
DWORD whole;
} myTime = {
{
timeinfo->tm_sec / 2,
timeinfo->tm_min,
timeinfo->tm_hour,
timeinfo->tm_mday,
timeinfo->tm_mon + 1,
timeinfo->tm_year - 80,
}
};
return myTime.whole;
}
}
void print_help(const char* name)
{
printf("\n");
printf("Syntax: %s image_file [list of commands]\n\n", name);
#if _WIN32
printf("Commands: [Note: both '/' and '-' are accepted as command prefixes.]\n");
#else
printf("Commands:\n");
#endif
// printf(" -format <sectors> [<filesystem>] [<custom header label>]\n"
printf(" -format <sectors> [<custom header label>]\n"
" Formats the disk image.\n");
printf(" -boot <sector file>\n"
" Writes a new boot sector.\n");
printf(" -add <src path> <dst path>\n"
" Copies an external file or directory into the image.\n");
printf(" -extract <src path> <dst path>\n"
" Copies a file or directory from the image into an external file\n"
" or directory.\n");
printf(" -move <src path> <new path>\n"
" Moves/renames a file or directory.\n");
printf(" -copy <src path> <new path>\n"
" Copies a file or directory.\n");
printf(" -mkdir <src path> <new path>\n"
" Creates a directory.\n");
printf(" -rmdir <src path> <new path>\n"
" Creates a directory.\n");
printf(" -list [<pattern>]\n"
" Lists files a directory (defaults to root).\n");
}
#define PRINT_HELP_AND_QUIT() \
do { \
ret = 1; \
print_help(oargv[0]); \
goto exit; \
} while (0)
int is_command(const char* parg)
{
#if _WIN32
return (parg[0] == '/') || (parg[0] == '-');
#else
return (parg[0] == '-');
#endif
}
#define NEED_PARAMS(_min_, _max_) \
do {\
if (nargs < _min_) { fprintf(stderr, "Error: Too few args for command %s.\n" , argv[-1]); PRINT_HELP_AND_QUIT(); } \
if (nargs > _max_) { fprintf(stderr, "Error: Too many args for command %s.\n", argv[-1]); PRINT_HELP_AND_QUIT(); } \
} while(0)
int need_mount(void)
{
int r;
if (isMounted)
return FR_OK;
r = f_mount(&g_Filesystem, "0:", 0);
if (r)
return r;
isMounted = 1;
return FR_OK;
}
#define NEED_MOUNT() \
do { ret = need_mount(); if(ret) \
{\
fprintf(stderr, "Error: Could not mount disk (%d).\n", ret); \
goto exit; \
} } while(0)
int main(int oargc, char* oargv[])
{
int ret;
int argc = oargc - 1;
char** argv = oargv + 1;
// first parameter must be the image file.
if (argc == 0)
{
fprintf(stderr, "Error: First parameter must be a filename.\n");
PRINT_HELP_AND_QUIT();
}
if (is_command(argv[0]))
{
fprintf(stderr, "Error: First parameter must be a filename, found '%s' instead.\n", argv[0]);
PRINT_HELP_AND_QUIT();
}
if (disk_openimage(0, argv[0]))
{
fprintf(stderr, "Error: Could not open image file '%s'.\n", argv[0]);
ret = 1;
goto exit;
}
argc--;
argv++;
while (argc > 0)
{
char* parg = *argv;
int nargs = 0;
int i = 0;
if (!is_command(parg))
{
fprintf(stderr, "Error: Expected a command, found '%s' instead.\n", parg);
PRINT_HELP_AND_QUIT();
}
parg++;
argv++;
argc--;
// find next command, to calculare number of args
while ((argv[i] != NULL) && !is_command(argv[i++]))
nargs++;
if (strcmp(parg, "format") == 0)
{
// NOTE: The fs driver detects which FAT format fits best based on size
int sectors;
NEED_PARAMS(1, 2);
// Arg 1: number of sectors
sectors = atoi(argv[0]);
if (sectors <= 0)
{
fprintf(stderr, "Error: Sectors must be > 0\n");
ret = 1;
goto exit;
}
if (disk_ioctl(0, SET_SECTOR_COUNT, &sectors))
{
fprintf(stderr, "Error: Failed to set sector count to %d.\n", sectors);
ret = 1;
goto exit;
}
NEED_MOUNT();
ret = f_mkfs("0:", 1, sectors < 4096 ? 1 : 8);
if (ret)
{
fprintf(stderr, "Error: Formatting drive: %d.\n", ret);
goto exit;
}
// Arg 2: custom header label (optional)
if (nargs > 1)
{
#define FAT_VOL_LABEL_LEN 11
char vol_label[2 + FAT_VOL_LABEL_LEN + 1]; // Null-terminated buffer
char* label = vol_label + 2; // The first two characters are reserved for the drive number "0:"
char ch;
int i, invalid = 0;
int len = strlen(argv[1]);
if (len <= FAT_VOL_LABEL_LEN)
{
// Verify each character (should be printable ASCII)
// and copy it in uppercase.
for (i = 0; i < len; i++)
{
ch = toupper(argv[1][i]);
if ((ch < 0x20) || !isprint(ch))
{
invalid = 1;
break;
}
label[i] = ch;
}
if (!invalid)
{
// Pad the label with spaces
while (len < FAT_VOL_LABEL_LEN)
{
label[len++] = ' ';
}
}
}
else
{
invalid = 1;
}
if (invalid)
{
fprintf(stderr, "Error: Header label is limited to 11 printable uppercase ASCII symbols.");
ret = 1;
goto exit;
}
if (disk_read(0, buff, 0, 1))
{
fprintf(stderr, "Error: Unable to read existing boot sector from image.");
ret = 1;
goto exit;
}
if (g_Filesystem.fs_type == FS_FAT32)
{
memcpy(buff + 71, label, FAT_VOL_LABEL_LEN);
}
else
{
memcpy(buff + 43, label, FAT_VOL_LABEL_LEN);
}
if (disk_write(0, buff, 0, 1))
{
fprintf(stderr, "Error: Unable to write new boot sector to image.");
ret = 1;
goto exit;
}
// Set also the directory volume label
memcpy(vol_label, "0:", 2);
vol_label[2 + FAT_VOL_LABEL_LEN] = '\0';
if (f_setlabel(vol_label))
{
fprintf(stderr, "Error: Unable to set the volume label.");
ret = 1;
goto exit;
}
}
}
else if (strcmp(parg, "boot") == 0)
{
FILE* fe;
BYTE* temp = buff + 1024;
NEED_PARAMS(1, 1);
// Arg 1: boot file
fe = fopen(argv[0], "rb");
if (!fe)
{
fprintf(stderr, "Error: Unable to open external file '%s' for reading.", argv[0]);
ret = 1;
goto exit;
}
if (!fread(buff, 512, 1, fe))
{
fprintf(stderr, "Error: Unable to read boot sector from file '%s'.", argv[0]);
fclose(fe);
ret = 1;
goto exit;
}
fclose(fe);
NEED_MOUNT();
if (disk_read(0, temp, 0, 1))
{
fprintf(stderr, "Error: Unable to read existing boot sector from image.");
ret = 1;
goto exit;
}
if (g_Filesystem.fs_type == FS_FAT32)
{
printf("TODO: Writing boot sectors for FAT32 images not yet supported.");
ret = 1;
goto exit;
}
else
{
#define FAT16_HEADER_START 3
#define FAT16_HEADER_END 62
memcpy(buff + FAT16_HEADER_START, temp + FAT16_HEADER_START, FAT16_HEADER_END - FAT16_HEADER_START);
}
if (disk_write(0, buff, 0, 1))
{
fprintf(stderr, "Error: Unable to write new boot sector to image.");
ret = 1;
goto exit;
}
}
else if (strcmp(parg, "add") == 0)
{
FILE* fe;
FIL fv = { 0 };
UINT rdlen = 0;
UINT wrlen = 0;
NEED_PARAMS(2, 2);
NEED_MOUNT();
// Arg 1: external file to add
// Arg 2: virtual filename
fe = fopen(argv[0], "rb");
if (!fe)
{
fprintf(stderr, "Error: Unable to open external file '%s' for reading.", argv[0]);
ret = 1;
goto exit;
}
if (f_open(&fv, argv[1], FA_WRITE | FA_CREATE_ALWAYS))
{
fprintf(stderr, "Error: Unable to open file '%s' for writing.", argv[1]);
fclose(fe);
ret = 1;
goto exit;
}
while ((rdlen = fread(buff, 1, sizeof(buff), fe)) > 0)
{
if (f_write(&fv, buff, rdlen, &wrlen) || wrlen < rdlen)
{
fprintf(stderr, "Error: Unable to write '%d' bytes to disk.", wrlen);
ret = 1;
goto exit;
}
}
fclose(fe);
f_close(&fv);
}
else if (strcmp(parg, "extract") == 0)
{
FIL fe = { 0 };
FILE* fv;
UINT rdlen = 0;
UINT wrlen = 0;
NEED_PARAMS(2, 2);
NEED_MOUNT();
// Arg 1: virtual file to extract
// Arg 2: external filename
if (f_open(&fe, argv[0], FA_READ))
{
fprintf(stderr, "Error: Unable to open file '%s' for reading.", argv[0]);
ret = 1;
goto exit;
}
fv = fopen(argv[1], "wb");
if (!fv)
{
fprintf(stderr, "Error: Unable to open external file '%s' for writing.", argv[1]);
f_close(&fe);
ret = 1;
goto exit;
}
while ((f_read(&fe, buff, sizeof(buff), &rdlen) == 0) && (rdlen > 0))
{
if (fwrite(buff, 1, rdlen, fv) < rdlen)
{
fprintf(stderr, "Error: Unable to write '%d' bytes to file.", rdlen);
ret = 1;
goto exit;
}
}
f_close(&fe);
fclose(fv);
}
else if (strcmp(parg, "move") == 0)
{
NEED_PARAMS(2, 2);
NEED_MOUNT();
// Arg 1: src path & filename
// Arg 2: new path & filename
if (f_rename(argv[0], argv[1]))
{
fprintf(stderr, "Error: Unable to move/rename '%s' to '%s'", argv[0], argv[1]);
ret = 1;
goto exit;
}
}
else if (strcmp(parg, "copy") == 0)
{
FIL fe = { 0 };
FIL fv = { 0 };
UINT rdlen = 0;
UINT wrlen = 0;
NEED_PARAMS(2, 2);
NEED_MOUNT();
// Arg 1: src path & filename
// Arg 2: new path & filename
if (f_open(&fe, argv[0], FA_READ))
{
fprintf(stderr, "Error: Unable to open file '%s' for reading.", argv[0]);
ret = 1;
goto exit;
}
if (f_open(&fv, argv[1], FA_WRITE | FA_CREATE_ALWAYS))
{
fprintf(stderr, "Error: Unable to open file '%s' for writing.", argv[1]);
f_close(&fe);
ret = 1;
goto exit;
}
while ((f_read(&fe, buff, sizeof(buff), &rdlen) == 0) && (rdlen > 0))
{
if (f_write(&fv, buff, rdlen, &wrlen) || wrlen < rdlen)
{
fprintf(stderr, "Error: Unable to write '%d' bytes to disk.", wrlen);
ret = 1;
goto exit;
}
}
f_close(&fe);
f_close(&fv);
}
else if (strcmp(parg, "mkdir") == 0)
{
NEED_PARAMS(1, 1);
NEED_MOUNT();
// Arg 1: folder path
if (f_mkdir(argv[0]))
{
fprintf(stderr, "Error: Unable to create directory.");
ret = 1;
goto exit;
}
}
else if (strcmp(parg, "delete") == 0)
{
NEED_PARAMS(1, 1);
NEED_MOUNT();
// Arg 1: file/folder path (cannot delete non-empty folders)
if (f_unlink(argv[0]))
{
fprintf(stderr, "Error: Unable to delete file or directory.");
ret = 1;
goto exit;
}
}
else if (strcmp(parg, "list") == 0)
{
char* root = "/";
DIR dir = { 0 };
FILINFO info = { 0 };
char lfname[257];
NEED_PARAMS(0, 1);
// Arg 1: folder path (optional)
if (nargs == 1)
{
root = argv[0];
}
if (f_opendir(&dir, root))
{
fprintf(stderr, "Error: Unable to opening directory '%s' for listing.\n", root);
ret = 1;
goto exit;
}
printf("Listing directory contents of: %s\n", root);
info.lfname = lfname;
info.lfsize = sizeof(lfname)-1;
while ((!f_readdir(&dir, &info)) && (strlen(info.fname) > 0))
{
if (strlen(info.lfname) > 0)
printf(" - %s (%s)\n", info.lfname, info.fname);
else
printf(" - %s\n", info.fname);
}
}
else
{
fprintf(stderr, "Error: Unknown or invalid command: %s\n", argv[-1]);
PRINT_HELP_AND_QUIT();
}
argv += nargs;
argc -= nargs;
}
ret = 0;
exit:
disk_cleanup(0);
return ret;
}