extern void readbitmap(char* device, image_head image_hdr, unsigned long* bitmap, int pui){
unsigned long zones = get_nzones();
unsigned long imaps = get_nimaps();
unsigned long zmaps = get_nzmaps();
char * inode_map;
char * zone_map;
ssize_t rc;
unsigned long test_block = 0, test_zone = 0;
fs_open(device);
unsigned long block_size = get_block_size();
if (fs_version == 3){
if (lseek(dev, block_size*2, SEEK_SET) != 8192)
log_mesg(0, 1, 1, fs_opt.debug, "%s: seek failed", __FILE__);
}
inode_map = malloc(imaps * block_size);
if (!inode_map)
log_mesg(0, 1, 1, fs_opt.debug, "%s: Unable to allocate buffer for inode map", __FILE__);
zone_map = malloc(zmaps * block_size);
if (!inode_map)
log_mesg(0, 1, 1, fs_opt.debug, "%s: Unable to allocate buffer for zone map", __FILE__);
memset(inode_map,0,sizeof(inode_map));
memset(zone_map,0,sizeof(zone_map));
memset(bitmap,0,sizeof(unsigned long)*LONGS(image_hdr.totalblock));
rc = read(dev, inode_map, imaps * block_size);
if (rc < 0 || imaps * block_size != (size_t) rc)
log_mesg(0, 1, 1, fs_opt.debug, "%s: Unable to read inode map", __FILE__);
rc = read(dev, zone_map, zmaps * block_size);
if (rc < 0 || zmaps * block_size != (size_t) rc)
log_mesg(0, 1, 1, fs_opt.debug, "%s: Unable to read zone map", __FILE__);
log_mesg(0, 0, 0, fs_opt.debug, "%s: %ld blocks\n", __FILE__, zones);
log_mesg(0, 0, 0, fs_opt.debug, "%s: log2 block/zone: %lu\n", __FILE__, get_zone_size());
log_mesg(0, 0, 0, fs_opt.debug, "%s: Zonesize=%d\n", __FILE__,block_size<<get_zone_size());
log_mesg(0, 0, 0, fs_opt.debug, "%s: Maxsize=%ld\n", __FILE__, get_max_size());
for (test_block = 0; test_block < zones; test_block++){
test_zone = test_block - get_first_zone()+1;
if ((test_zone < 0) || (test_zone > zones+get_first_zone()))
test_zone = 0;
if(isset(zone_map,test_zone)){
log_mesg(3, 0, 0, fs_opt.debug, "%s: test_block %lu in use\n", __FILE__, test_block);
pc_set_bit(test_block, bitmap);
}else{
log_mesg(3, 0, 0, fs_opt.debug, "%s: test_block %lu not use\n", __FILE__, test_block);
}
}
fs_close();
}
/// check free memory size
int check_mem_size(image_head image_hdr, cmd_opt opt, unsigned long long *mem_size) {
unsigned long long image_head_size = 0;
unsigned long long bitmap_size = 0;
int crc_io_size = 0;
void *test_mem;
image_head_size = sizeof(image_head);
bitmap_size = sizeof(unsigned long)*LONGS(image_hdr.totalblock);
crc_io_size = CRC_SIZE+image_hdr.block_size;
*mem_size = image_head_size + bitmap_size + crc_io_size;
log_mesg(0, 0, 0, 1, "we need memory: %llu bytes\nimage head %llu, bitmap %llu, crc %i bytes\n", *mem_size, image_head_size, bitmap_size, crc_io_size);
test_mem = malloc(*mem_size);
if (test_mem == NULL){
free(test_mem);
return -1;
} else {
free(test_mem);
}
return 1;
}
/// get_used_block - get FAT used blocks
static unsigned long long get_used_block()
{
unsigned long long i = 0;
int fat_stat = 0;
unsigned long long block = 0, bfree = 0, bused = 0, DamagedClusters = 0;
unsigned long long cluster_count = 0, total_sector = 0;
unsigned long long real_back_block= 0;
int FatReservedBytes = 0;
unsigned long *fat_bitmap;
log_mesg(2, 0, 0, fs_opt.debug, "%s: get_used_block start\n", __FILE__);
total_sector = get_total_sector();
cluster_count = get_cluster_count();
fat_bitmap = (unsigned long *)calloc(sizeof(unsigned long), LONGS(total_sector));
if (fat_bitmap == NULL)
log_mesg(2, 1, 1, fs_opt.debug, "%s: bitmapalloc error\n", __FILE__);
memset(fat_bitmap, 0xFF, sizeof(unsigned long)*LONGS(total_sector));
/// A) B) C)
block = mark_reserved_sectors(fat_bitmap, block);
/// D) The clusters
FatReservedBytes = fat_sb.sector_size * fat_sb.reserved;
/// The first fat will be seek
lseek(ret, FatReservedBytes, SEEK_SET);
/// The second fat is used to check FAT status
fat_stat = check_fat_status();
if (fat_stat == 1)
log_mesg(0, 1, 1, fs_opt.debug, "%s: Filesystem isn't in valid state. May be it is not cleanly unmounted.\n\n", __FILE__);
else if (fat_stat == 2)
log_mesg(0, 1, 1, fs_opt.debug, "%s: I/O error! %X\n", __FILE__);
for (i=0; i < cluster_count; i++){
/// If FAT16
if(FS == FAT_16){
block = check_fat16_entry(fat_bitmap, block, &bfree, &bused, &DamagedClusters);
} else if (FS == FAT_32){ /// FAT32
block = check_fat32_entry(fat_bitmap, block, &bfree, &bused, &DamagedClusters);
} else if (FS == FAT_12){ /// FAT12
block = check_fat12_entry(fat_bitmap, block, &bfree, &bused, &DamagedClusters);
} else
log_mesg(2, 0, 0, fs_opt.debug, "%s: error fs\n", __FILE__);
}
while(block < total_sector){
pc_set_bit(block, fat_bitmap);
block++;
}
for (block = 0; block < total_sector; block++)
{
if (pc_test_bit(block, fat_bitmap)) {
real_back_block++;
}
}
free(fat_bitmap);
log_mesg(2, 0, 0, fs_opt.debug, "%s: get_used_block down\n", __FILE__);
return real_back_block;
}
/// readbitmap - read and check bitmap
extern void readbitmap(char* device, image_head image_hdr, unsigned long* bitmap, int pui)
{
unsigned long long i = 0;
int fat_stat = 0;
unsigned long long block = 0, bfree = 0, bused = 0, DamagedClusters = 0;
unsigned long long cluster_count = 0;
unsigned long long total_sector = 0;
unsigned long long FatReservedBytes = 0;
int start = 0;
int bit_size = 1;
fs_open(device);
total_sector = get_total_sector();
cluster_count = get_cluster_count();
/// init progress
progress_bar prog; /// progress_bar structure defined in progress.h
progress_init(&prog, start, cluster_count, image_hdr.totalblock, BITMAP, bit_size);
/// init bitmap
memset(bitmap, 0xFF, sizeof(unsigned long)*LONGS(total_sector));
/// A) B) C)
block = mark_reserved_sectors(bitmap, block);
/// D) The clusters
FatReservedBytes = fat_sb.sector_size * fat_sb.reserved;
/// The first cluster will be seek
lseek(ret, FatReservedBytes, SEEK_SET);
/// The second used to check FAT status
fat_stat = check_fat_status();
if(fs_opt.ignore_fschk){
log_mesg(1, 0, 0, fs_opt.debug, "%s: Ignore filesystem check\n", __FILE__);
}else{
if (fat_stat == 1)
log_mesg(0, 1, 1, fs_opt.debug, "%s: Filesystem isn't in valid state. May be it is not cleanly unmounted.\n\n", __FILE__);
else if (fat_stat == 2)
log_mesg(0, 1, 1, fs_opt.debug, "%s: I/O error! %X\n", __FILE__);
}
for (i=0; i < cluster_count; i++){
/// If FAT16
if(FS == FAT_16){
block = check_fat16_entry(bitmap, block, &bfree, &bused, &DamagedClusters);
} else if (FS == FAT_32){ /// FAT32
block = check_fat32_entry(bitmap, block, &bfree, &bused, &DamagedClusters);
} else if (FS == FAT_12){ /// FAT12
block = check_fat12_entry(bitmap, block, &bfree, &bused, &DamagedClusters);
} else
log_mesg(2, 0, 0, fs_opt.debug, "%s: error fs\n", __FILE__);
/// update progress
update_pui(&prog, i, i, 0);//keep update
}
log_mesg(2, 0, 0, fs_opt.debug, "%s: done\n", __FILE__);
fs_close();
/// update progress
update_pui(&prog, 1, 1, 1);//finish
}
/// readbitmap - cread and heck bitmap, reference dumpe2fs
extern void readbitmap(char* device, image_head image_hdr, unsigned long* bitmap, int pui){
errcode_t retval;
unsigned long group;
unsigned long long current_block, block;
unsigned long long free, gfree;
char *block_bitmap=NULL;
int block_nbytes;
unsigned long long blk_itr;
int bg_flags = 0;
int start = 0;
int bit_size = 1;
int B_UN_INIT = 0;
int ext4_gfree_mismatch = 0;
log_mesg(2, 0, 0, fs_opt.debug, "%s: readbitmap %p\n", __FILE__, bitmap);
fs_open(device);
retval = ext2fs_read_bitmaps(fs); /// open extfs bitmap
if (retval)
log_mesg(0, 1, 1, fs_opt.debug, "%s: Couldn't find valid filesystem bitmap.\n", __FILE__);
block_nbytes = EXT2_BLOCKS_PER_GROUP(fs->super) / 8;
if (fs->block_map)
block_bitmap = malloc(block_nbytes);
/// initial image bitmap as 1 (all block are used)
memset(bitmap, 0xFF, sizeof(unsigned long)*LONGS(image_hdr.totalblock));
free = 0;
current_block = 0;
blk_itr = fs->super->s_first_data_block;
/// init progress
progress_bar prog; /// progress_bar structure defined in progress.h
progress_init(&prog, start, image_hdr.totalblock, image_hdr.totalblock, BITMAP, bit_size);
/// each group
for (group = 0; group < fs->group_desc_count; group++) {
gfree = 0;
B_UN_INIT = 0;
if (block_bitmap) {
ext2fs_get_block_bitmap_range(fs->block_map, blk_itr, block_nbytes << 3, block_bitmap);
if (fs->super->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM){
#ifdef EXTFS_1_41
bg_flags = fs->group_desc[group].bg_flags;
#else
bg_flags = ext2fs_bg_flags(fs, group);
#endif
if (bg_flags&EXT2_BG_BLOCK_UNINIT){
log_mesg(1, 0, 0, fs_opt.debug, "%s: BLOCK_UNINIT for group %lu\n", __FILE__, group);
B_UN_INIT = 1;
} else {
log_mesg(2, 0, 0, fs_opt.debug, "%s: BLOCK_INIT for group %lu\n", __FILE__, group);
}
}
/// each block in group
for (block = 0; ((block < fs->super->s_blocks_per_group) && (current_block < (image_hdr.totalblock-1))); block++) {
current_block = block + blk_itr;
/// check block is used or not
if ((!in_use (block_bitmap, block)) || (B_UN_INIT)) {
free++;
gfree++;
pc_clear_bit(current_block, bitmap);
log_mesg(3, 0, 0, fs_opt.debug, "%s: free block %llu at group %lu init %i\n", __FILE__, current_block, group, (int)B_UN_INIT);
} else {
pc_set_bit(current_block, bitmap);
log_mesg(3, 0, 0, fs_opt.debug, "%s: used block %llu at group %lu\n", __FILE__, current_block, group);
}
/// update progress
update_pui(&prog, current_block, current_block, 0);//keep update
}
blk_itr += fs->super->s_blocks_per_group;
}
/// check free blocks in group
#ifdef EXTFS_1_41
if (gfree != fs->group_desc[group].bg_free_blocks_count){
#else
if (gfree != ext2fs_bg_free_blocks_count(fs, group)){
#endif
if (!B_UN_INIT)
log_mesg(0, 1, 1, fs_opt.debug, "%s: bitmap error at %lu group.\n", __FILE__, group);
else
ext4_gfree_mismatch = 1;
}
}
/// check all free blocks in partition
if (free != fs->super->s_free_blocks_count) {
if ((fs->super->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM) && (ext4_gfree_mismatch))
log_mesg(1, 0, 0, fs_opt.debug, "%s: EXT4 bitmap metadata mismatch\n", __FILE__);
else
log_mesg(0, 1, 1, fs_opt.debug, "%s: bitmap free count err, free:%llu\n", __FILE__, free);
}
fs_close();
/// update progress
update_pui(&prog, 1, 1, 1);//finish
}
/// get extfs type
static int test_extfs_type(char* device){
int ext2 = 1;
int ext3 = 2;
int ext4 = 3;
int device_type;
fs_open(device);
if(fs->super->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM){
log_mesg(1, 0, 0, fs_opt.debug, "%s: test feature as EXT4\n", __FILE__);
device_type = ext4;
} else if (fs->super->s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL){
log_mesg(1, 0, 0, fs_opt.debug, "%s: test feature as EXT3\n", __FILE__);
device_type = ext3;
} else {
log_mesg(1, 0, 0, fs_opt.debug, "%s: test feature as EXT2\n", __FILE__);
device_type = ext2;
}
fs_close();
return device_type;
}
/**
* main functiom - for colne or restore data
*/
int main(int argc, char **argv){
int dfr; /// file descriptor for source and target
int r_size; /// read and write size
char* buffer; /// buffer data
char* buffer2; /// buffer data
//unsigned long long block_id, copied = 0; /// block_id is every block in partition
/// copied is copied block count
off_t offset = 0, sf = 0; /// seek postition, lseek result
int start, stop; /// start, range, stop number for progress bar
char bitmagic[8] = "BiTmAgIc";// only for check postition
char bitmagic_r[8]; /// read magic string from image
int cmp; /// compare magic string
unsigned long *bitmap; /// the point for bitmap data
int debug = 0; /// debug or not
unsigned long crc = 0xffffffffL; /// CRC32 check code for writint to image
unsigned long crc_ck = 0xffffffffL; /// CRC32 check code for checking
unsigned long crc_ck2 = 0xffffffffL; /// CRC32 check code for checking
int c_size; /// CRC32 code size
//int done = 0;
int tui = 0; /// text user interface
int pui = 0; /// progress mode(default text)
int flag = 0;
int pres;
pthread_t prog_thread;
void *p_result;
//progress_bar prog; /// progress_bar structure defined in progress.h
image_head image_hdr; /// image_head structure defined in partclone.h
/**
* get option and assign to opt structure
* check parameter and read from argv
*/
parse_option_chkimg(argc, argv, &opt);
/**
* if "-d / --debug" given
* open debug file in "/var/log/partclone.log" for log message
*/
debug = opt.debug;
open_log(opt.logfile);
/**
* using Text User Interface
*/
if (opt.ncurses){
pui = NCURSES;
log_mesg(1, 0, 0, debug, "Using Ncurses User Interface mode.\n");
} else
pui = TEXT;
tui = open_pui(pui, opt.fresh);
if ((opt.ncurses) && (tui == 0)){
opt.ncurses = 0;
log_mesg(1, 0, 0, debug, "Open Ncurses User Interface Error.\n");
}
/// print partclone info
print_partclone_info(opt);
/*
if (geteuid() != 0)
log_mesg(0, 1, 1, debug, "You are not logged as root. You may have \"access denied\" errors when working.\n");
else
log_mesg(1, 0, 0, debug, "UID is root.\n");
*/
/// ignore crc check
if(opt.ignore_crc)
log_mesg(1, 0, 1, debug, "Ignore CRC\n");
/**
* open source and target
* clone mode, source is device and target is image file/stdout
* restore mode, source is image file/stdin and target is device
* dd mode, source is device and target is device !!not complete
*/
#ifdef _FILE_OFFSET_BITS
log_mesg(1, 0, 0, debug, "enable _FILE_OFFSET_BITS %i\n", _FILE_OFFSET_BITS);
#endif
dfr = open_source(opt.source, &opt);
if (dfr == -1) {
log_mesg(0, 1, 1, debug, "Erro EXIT.\n");
}
/**
* get partition information like super block, image_head, bitmap
* from device or image file.
*/
log_mesg(1, 0, 0, debug, "Checking image hdr - get image_head from image file\n");
restore_image_hdr(&dfr, &opt, &image_hdr);
/// check the image magic
if (memcmp(image_hdr.magic, IMAGE_MAGIC, IMAGE_MAGIC_SIZE) != 0)
log_mesg(0, 1, 1, debug, "The Image magic error. This file is NOT partclone Image\n");
/// alloc a memory to restore bitmap
bitmap = (unsigned long*)calloc(sizeof(unsigned long), LONGS(image_hdr.totalblock));
if(bitmap == NULL){
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
log_mesg(2, 0, 0, debug, "initial main bitmap pointer %p\n", bitmap);
log_mesg(1, 0, 0, debug, "Initial image hdr - read bitmap table\n");
/// read and check bitmap from image file
log_mesg(0, 0, 1, debug, "Calculating bitmap... ");
log_mesg(0, 0, 1, debug, "Please wait... ");
get_image_bitmap(&dfr, opt, image_hdr, bitmap);
log_mesg(2, 0, 0, debug, "check main bitmap pointer %p\n", bitmap);
log_mesg(0, 0, 1, debug, "done!\n");
log_mesg(1, 0, 0, debug, "print image_head\n");
/// print option to log file
if (debug)
print_opt(opt);
/// print image_head
print_image_hdr_info(image_hdr, opt);
/**
* initial progress bar
*/
start = 0; /// start number of progress bar
stop = image_hdr.usedblocks; /// get the end of progress number, only used block
log_mesg(1, 0, 0, debug, "Initial Progress bar\n");
/// Initial progress bar
if (opt.no_block_detail)
flag = NO_BLOCK_DETAIL;
else
flag = IO;
progress_init(&prog, start, stop, image_hdr.totalblock, flag, image_hdr.block_size);
copied = 0;
/**
* thread to print progress
*/
pres = pthread_create(&prog_thread, NULL, thread_update_pui, NULL);
/**
* start read and write data between device and image file
*/
/**
* read magic string from image file
* and check it.
*/
r_size = read_all(&dfr, bitmagic_r, 8, &opt); /// read a magic string
cmp = memcmp(bitmagic, bitmagic_r, 8);
if(cmp != 0)
log_mesg(0, 1, 1, debug, "bitmagic error %i\n", cmp);
/// start restore image file to partition
for( block_id = 0; block_id < image_hdr.totalblock; block_id++ ){
r_size = 0;
if (pc_test_bit(block_id, bitmap)){
/// The block is used
log_mesg(2, 0, 0, debug, "block_id=%llu, ",block_id);
log_mesg(1, 0, 0, debug, "bitmap=%i, ",pc_test_bit(block_id, bitmap));
offset = (off_t)(block_id * image_hdr.block_size);
buffer = (char*)malloc(image_hdr.block_size); ///alloc a memory to copy data
if(buffer == NULL){
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
r_size = read_all(&dfr, buffer, image_hdr.block_size, &opt);
log_mesg(1, 0, 0, debug, "bs=%i and r=%i, ",image_hdr.block_size, r_size);
if (r_size <0)
log_mesg(0, 1, 1, debug, "read errno = %i \n", errno);
/// read crc32 code and check it.
crc_ck = crc32(crc_ck, buffer, r_size);
char crc_buffer[CRC_SIZE];
c_size = read_all(&dfr, crc_buffer, CRC_SIZE, &opt);
if (c_size < CRC_SIZE){
log_mesg(0, 0, 1, debug, "read CRC error, please check your image file. \n");
log_mesg(0, 0, 1, debug, "read CRC size (%i), %s. \n", c_size, strerror(errno));
lseek(dfr, (int)(CRC_SIZE-c_size), SEEK_CUR);
}
if ((memcmp(crc_buffer, &crc_ck, CRC_SIZE) != 0) && (!opt.ignore_crc)){
log_mesg(1, 0, 0, debug, "Ignore_crc 2 %i\n ", opt.ignore_crc);
log_mesg(1, 0, 0, debug, "CRC Check error. 64bit bug before v0.1.0 (Rev:250M), enlarge crc size and recheck again....\n ");
/// check again
buffer2 = (char*)malloc(image_hdr.block_size+CRC_SIZE); ///alloc a memory to copy data
if(buffer2 == NULL){
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
memcpy(buffer2, buffer, image_hdr.block_size);
memcpy(buffer2+image_hdr.block_size, crc_buffer, CRC_SIZE);
memcpy(buffer, buffer2+CRC_SIZE, image_hdr.block_size);
crc_ck2 = crc32(crc_ck2, buffer, r_size);
c_size = read_all(&dfr, crc_buffer, CRC_SIZE, &opt);
if (c_size < CRC_SIZE)
log_mesg(0, 1, 1, debug, "read CRC error: %s, please check your image file. \n", strerror(errno));
memcpy(&crc, crc_buffer, CRC_SIZE);
if ((memcmp(&crc, &crc_ck2, CRC_SIZE) != 0) && (!opt.ignore_crc)){
log_mesg(0, 1, 1, debug, "CRC error again at %ji...\n ", (intmax_t)sf);
} else {
crc_ck = crc_ck2;
}
free(buffer2);
} else {
crc_ck2 = crc_ck;
}
/// free buffer
free(buffer);
copied++; /// count copied block
log_mesg(1, 0, 0, debug, "end\n");
}
//update_pui(&prog, copied, block_id, done);
} // end of for
done = 1;
pres = pthread_join(prog_thread, &p_result);
update_pui(&prog, copied, block_id, done);
print_finish_info(opt);
close (dfr); /// close source
free(bitmap); /// free bitmp
close_pui(pui);
printf("Checked successfully.\n");
if(opt.debug)
close_log();
return 0; /// finish
}
/// readbitmap - read bitmap
extern void readbitmap(char* device, image_head image_hdr, unsigned long* bitmap, int pui)
{
/// initial image bitmap as 1 (all block are used)
memset(bitmap, 0xFF, sizeof(unsigned long)*LONGS(image_hdr.totalblock));
}
/**
* main functiom - for colne or restore data
*/
int main(int argc, char **argv) {
#ifdef MEMTRACE
setenv("MALLOC_TRACE", "partclone_mtrace.log", 1);
mtrace();
#endif
char* source; /// source data
char* target; /// target data
char* buffer; /// buffer data for malloc used
char* buffer2; /// buffer data for malloc used
int dfr, dfw; /// file descriptor for source and target
int r_size, w_size; /// read and write size
//unsigned long long block_id, copied = 0; /// block_id is every block in partition
/// copied is copied block count
off_t offset = 0, sf = 0; /// seek postition, lseek result
int start, stop; /// start, range, stop number for progress bar
unsigned long long total_write = 0; /// the copied size
unsigned long long needed_size = 0; /// the copied size
unsigned long long needed_mem = 0; /// the copied size
char bitmagic[8] = "BiTmAgIc";// only for check postition
char bitmagic_r[8]="00000000";/// read magic string from image
int cmp; /// compare magic string
unsigned long *bitmap; /// the point for bitmap data
int debug = 0; /// debug or not
unsigned long crc = 0xffffffffL; /// CRC32 check code for writint to image
unsigned long crc_ck = 0xffffffffL; /// CRC32 check code for checking
unsigned long crc_ck2 = 0xffffffffL; /// CRC32 check code for checking
int c_size; /// CRC32 code size
int n_crc_size = CRC_SIZE;
char* crc_buffer; /// buffer data for malloc crc code
//int done = 0;
int s_count = 0;
int rescue_num = 0;
unsigned long long rescue_pos = 0;
unsigned long long main_pos = 0;
int tui = 0; /// text user interface
int pui = 0; /// progress mode(default text)
int next=1,next_int=1,next_max_count=7,next_count=7,i;
unsigned long long next_block_id;
char* cache_buffer;
int nx_current=0;
char bbuffer[4096];
int flag;
int pres;
pthread_t prog_thread;
void *p_result;
char *bad_sectors_warning_msg =
"*************************************************************************\n"
"* WARNING: The disk has bad sector. This means physical damage on the *\n"
"* disk surface caused by deterioration, manufacturing faults or other *\n"
"* reason. The reliability of the disk may stay stable or degrade fast. *\n"
"* Use the --rescue option to efficiently save as much data as possible! *\n"
"*************************************************************************\n";
image_head image_hdr; /// image_head structure defined in partclone.h
memset(&image_hdr, 0, sizeof(image_hdr));
/**
* get option and assign to opt structure
* check parameter and read from argv
*/
parse_options(argc, argv, &opt);
/**
* if "-d / --debug" given
* open debug file in "/var/log/partclone.log" for log message
*/
memset(&fs_opt, 0, sizeof(fs_cmd_opt));
debug = opt.debug;
fs_opt.debug = debug;
fs_opt.ignore_fschk = opt.ignore_fschk;
next_max_count = opt.max_block_cache-1;
next_count = opt.max_block_cache-1;
//if(opt.debug)
open_log(opt.logfile);
/**
* using Text User Interface
*/
if (opt.ncurses) {
pui = NCURSES;
log_mesg(1, 0, 0, debug, "Using Ncurses User Interface mode.\n");
} else
pui = TEXT;
tui = open_pui(pui, opt.fresh);
if ((opt.ncurses) && (tui == 0)) {
opt.ncurses = 0;
log_mesg(1, 0, 0, debug, "Open Ncurses User Interface Error.\n");
}
/// print partclone info
print_partclone_info(opt);
if (geteuid() != 0)
log_mesg(0, 1, 1, debug, "You are not logged as root. You may have \"access denied\" errors when working.\n");
else
log_mesg(1, 0, 0, debug, "UID is root.\n");
/// ignore crc check
if(opt.ignore_crc)
log_mesg(1, 0, 1, debug, "Ignore CRC error\n");
/**
* open source and target
* clone mode, source is device and target is image file/stdout
* restore mode, source is image file/stdin and target is device
* dd mode, source is device and target is device !!not complete
*/
#ifdef _FILE_OFFSET_BITS
log_mesg(1, 0, 0, debug, "enable _FILE_OFFSET_BITS %i\n", _FILE_OFFSET_BITS);
#endif
source = opt.source;
target = opt.target;
dfr = open_source(source, &opt);
if (dfr == -1) {
log_mesg(0, 1, 1, debug, "Erro EXIT.\n");
}
dfw = open_target(target, &opt);
if (dfw == -1) {
log_mesg(0, 1, 1, debug, "Error Exit.\n");
}
/**
* get partition information like super block, image_head, bitmap
* from device or image file.
*/
if (opt.clone) {
log_mesg(1, 0, 0, debug, "Initial image hdr - get Super Block from partition\n");
log_mesg(0, 0, 1, debug, "Reading Super Block\n");
/// get Super Block information from partition
initial_image_hdr(source, &image_hdr);
/// check memory size
if (check_mem_size(image_hdr, opt, &needed_mem) == -1)
log_mesg(0, 1, 1, debug, "Ther is no enough free memory, partclone suggests you should have %lld bytes memory\n", needed_mem);
strncpy(image_hdr.version, IMAGE_VERSION, VERSION_SIZE);
/// alloc a memory to restore bitmap
bitmap = (unsigned long*)calloc(sizeof(unsigned long), LONGS(image_hdr.totalblock));
if(bitmap == NULL) {
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
log_mesg(2, 0, 0, debug, "initial main bitmap pointer %i\n", bitmap);
log_mesg(1, 0, 0, debug, "Initial image hdr - read bitmap table\n");
/// read and check bitmap from partition
log_mesg(0, 0, 1, debug, "Calculating bitmap... Please wait... ");
readbitmap(source, image_hdr, bitmap, pui);
needed_size = (unsigned long long)(((image_hdr.block_size+sizeof(unsigned long))*image_hdr.usedblocks)+sizeof(image_hdr)+sizeof(char)*image_hdr.totalblock);
if (opt.check)
check_free_space(&dfw, needed_size);
log_mesg(2, 0, 0, debug, "check main bitmap pointer %i\n", bitmap);
log_mesg(1, 0, 0, debug, "Writing super block and bitmap... ");
// write image_head to image file
w_size = write_all(&dfw, (char *)&image_hdr, sizeof(image_head), &opt);
if(w_size == -1)
log_mesg(0, 1, 1, debug, "write image_hdr to image error\n");
// write bitmap information to image file
for (i = 0; i < image_hdr.totalblock; i++) {
if (pc_test_bit(i, bitmap)) {
bbuffer[i % sizeof(bbuffer)] = 1;
} else {
bbuffer[i % sizeof(bbuffer)] = 0;
}
if (i % sizeof(bbuffer) == sizeof(bbuffer) - 1 || i == image_hdr.totalblock - 1) {
w_size = write_all(&dfw, bbuffer, 1 + (i % sizeof(bbuffer)), &opt);
if(w_size == -1)
log_mesg(0, 1, 1, debug, "write bitmap to image error\n");
}
}
log_mesg(0, 0, 1, debug, "done!\n");
} else if (opt.restore) {
log_mesg(1, 0, 0, debug, "restore image hdr - get image_head from image file\n");
log_mesg(1, 0, 1, debug, "Reading Super Block\n");
/// get image information from image file
restore_image_hdr(&dfr, &opt, &image_hdr);
/// check memory size
if (check_mem_size(image_hdr, opt, &needed_mem) == -1)
log_mesg(0, 1, 1, debug, "Ther is no enough free memory, partclone suggests you should have %lld bytes memory\n", needed_mem);
/// alloc a memory to restore bitmap
bitmap = (unsigned long*)calloc(sizeof(unsigned long), LONGS(image_hdr.totalblock));
if(bitmap == NULL) {
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
/// check the image magic
if (memcmp(image_hdr.magic, IMAGE_MAGIC, IMAGE_MAGIC_SIZE) != 0)
log_mesg(0, 1, 1, debug, "This is not partclone image.\n");
/// check the file system
//if (strcmp(image_hdr.fs, FS) != 0)
// log_mesg(0, 1, 1, debug, "%s can't restore from the image which filesystem is %s not %s\n", argv[0], image_hdr.fs, FS);
log_mesg(2, 0, 0, debug, "initial main bitmap pointer %lli\n", bitmap);
log_mesg(1, 0, 0, debug, "Initial image hdr - read bitmap table\n");
/// read and check bitmap from image file
log_mesg(0, 0, 1, debug, "Calculating bitmap... Please wait... ");
get_image_bitmap(&dfr, opt, image_hdr, bitmap);
/// check the dest partition size.
if (opt.restore_row_file)
check_free_space(&dfw, image_hdr.device_size);
else if(opt.check)
check_size(&dfw, image_hdr.device_size);
log_mesg(2, 0, 0, debug, "check main bitmap pointer %i\n", bitmap);
log_mesg(0, 0, 1, debug, "done!\n");
} else if (opt.dd) {
log_mesg(1, 0, 0, debug, "Initial image hdr - get Super Block from partition\n");
log_mesg(1, 0, 1, debug, "Reading Super Block\n");
/// get Super Block information from partition
initial_image_hdr(source, &image_hdr);
/// check memory size
if (check_mem_size(image_hdr, opt, &needed_mem) == -1)
log_mesg(0, 1, 1, debug, "Ther is no enough free memory, partclone suggests you should have %lld bytes memory\n", needed_mem);
strncpy(image_hdr.version, IMAGE_VERSION, VERSION_SIZE);
/// alloc a memory to restore bitmap
bitmap = (unsigned long*)calloc(sizeof(unsigned long), LONGS(image_hdr.totalblock));
if(bitmap == NULL) {
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
log_mesg(2, 0, 0, debug, "initial main bitmap pointer %i\n", bitmap);
log_mesg(1, 0, 0, debug, "Initial image hdr - read bitmap table\n");
/// read and check bitmap from partition
log_mesg(0, 0, 1, debug, "Calculating bitmap... Please wait... ");
readbitmap(source, image_hdr, bitmap, pui);
/// check the dest partition size.
if(opt.check) {
check_size(&dfw, image_hdr.device_size);
}
log_mesg(2, 0, 0, debug, "check main bitmap pointer %i\n", bitmap);
log_mesg(0, 0, 1, debug, "done!\n");
} else if (opt.domain) {
log_mesg(1, 0, 0, debug, "Initial image hdr - get Super Block from partition\n");
log_mesg(1, 0, 1, debug, "Reading Super Block\n");
/// get Super Block information from partition
initial_image_hdr(source, &image_hdr);
/// check memory size
if (check_mem_size(image_hdr, opt, &needed_mem) == -1)
log_mesg(0, 1, 1, debug, "Ther is no enough free memory, partclone suggests you should have %lld bytes memory\n", needed_mem);
strncpy(image_hdr.version, IMAGE_VERSION, VERSION_SIZE);
/// alloc a memory to restore bitmap
bitmap = (unsigned long*)calloc(sizeof(unsigned long), LONGS(image_hdr.totalblock));
if(bitmap == NULL) {
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
log_mesg(2, 0, 0, debug, "initial main bitmap pointer %i\n", bitmap);
log_mesg(1, 0, 0, debug, "Initial image hdr - read bitmap table\n");
/// read and check bitmap from partition
log_mesg(0, 0, 1, debug, "Calculating bitmap... Please wait... ");
readbitmap(source, image_hdr, bitmap, pui);
log_mesg(2, 0, 0, debug, "check main bitmap pointer %i\n", bitmap);
log_mesg(0, 0, 1, debug, "done!\n");
}
log_mesg(1, 0, 0, debug, "print image_head\n");
/// print option to log file
if (debug)
print_opt(opt);
/// print image_head
print_image_hdr_info(image_hdr, opt);
/**
* initial progress bar
*/
//progress_bar prog; /// progress_bar structure defined in progress.h
start = 0; /// start number of progress bar
stop = (image_hdr.usedblocks); /// get the end of progress number, only used block
log_mesg(1, 0, 0, debug, "Initial Progress bar\n");
/// Initial progress bar
if (opt.no_block_detail)
flag = NO_BLOCK_DETAIL;
else
flag = IO;
progress_init(&prog, start, stop, image_hdr.totalblock, flag, image_hdr.block_size);
copied = 0; /// initial number is 0
/**
* thread to print progress
*/
pres = pthread_create(&prog_thread, NULL, thread_update_pui, NULL);
/**
* start read and write data between device and image file
*/
if (opt.clone) {
w_size = write_all(&dfw, bitmagic, 8, &opt); /// write a magic string
/// read data from the first block and log the offset
sf = lseek(dfr, 0, SEEK_SET);
log_mesg(1, 0, 0, debug, "seek %lli for reading data string\n",sf);
if (sf == (off_t)-1)
log_mesg(0, 1, 1, debug, "seek set %lli\n", sf);
buffer = (char*)malloc(image_hdr.block_size); ///alloc a memory to copy data
if(buffer == NULL) {
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
log_mesg(0, 0, 0, debug, "Total block %i\n", image_hdr.totalblock);
/// start clone partition to image file
log_mesg(1, 0, 0, debug, "start backup data...\n");
for( block_id = 0; block_id < image_hdr.totalblock; block_id++ ) {
r_size = 0;
w_size = 0;
main_pos = lseek(dfr, 0, SEEK_CUR);
log_mesg(3, 0, 0, debug, "man pos = %lli\n", main_pos);
if (pc_test_bit(block_id, bitmap)) {
/// if the block is used
log_mesg(1, 0, 0, debug, "block_id=%lli, ",block_id);
log_mesg(2, 0, 0, debug, "bitmap=%i, ",pc_test_bit(block_id, bitmap));
offset = (off_t)(block_id * image_hdr.block_size);
#ifdef _FILE_OFFSET_BITS
sf = lseek(dfr, offset, SEEK_SET);
if (sf == -1)
log_mesg(0, 1, 1, debug, "source seek error = %lli, ",sf);
#endif
/// read data from source to buffer
memset(buffer, 0, image_hdr.block_size);
rescue_pos = lseek(dfr, 0, SEEK_CUR);
r_size = read_all(&dfr, buffer, image_hdr.block_size, &opt);
log_mesg(3, 0, 0, debug, "bs=%i and r=%i, ",image_hdr.block_size, r_size);
if (r_size != (int)image_hdr.block_size) {
if ((r_size == -1) && (errno == EIO)) {
if (opt.rescue) {
r_size = 0;
for (rescue_num = 0; rescue_num < image_hdr.block_size; rescue_num += SECTOR_SIZE) {
rescue_sector(&dfr, rescue_pos + rescue_num, buffer + rescue_num, &opt);
r_size+=SECTOR_SIZE;
}
} else
log_mesg(0, 1, 1, debug, "%s", bad_sectors_warning_msg);
} else
log_mesg(0, 1, 1, debug, "read error: %s(%i) \n", strerror(errno), errno);
}
/// write buffer to target
w_size = write_all(&dfw, buffer, image_hdr.block_size, &opt);
log_mesg(3, 0, 0, debug, "bs=%i and w=%i, ",image_hdr.block_size, w_size);
if (w_size != (int)image_hdr.block_size)
log_mesg(0, 1, 1, debug, "write error %i \n", w_size);
/// generate crc32 code and write it.
crc_buffer = (char*)malloc(CRC_SIZE); ///alloc a memory to copy data
if(crc_buffer == NULL) {
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
crc = crc32(crc, buffer, w_size);
memcpy(crc_buffer, &crc, CRC_SIZE);
c_size = write_all(&dfw, crc_buffer, CRC_SIZE, &opt);
/// free buffer
free(crc_buffer);
copied++; /// count copied block
total_write += (unsigned long long)(w_size); /// count copied size
log_mesg(3, 0, 0, debug, "total=%lli, ", total_write);
/// read or write error
if (r_size != w_size)
log_mesg(0, 1, 1, debug, "read(%i) and write(%i) different\n", r_size, w_size);
log_mesg(2, 0, 0, debug, "end\n");
} else {
#ifndef _FILE_OFFSET_BITS
/// if the block is not used, I just skip it.
log_mesg(2, 0, 0, debug, "block_id=%lli, ",block_id);
sf = lseek(dfr, image_hdr.block_size, SEEK_CUR);
log_mesg(2, 0, 0, debug, "skip seek=%lli, ",sf);
if (sf == (off_t)-1)
log_mesg(0, 1, 1, debug, "clone seek error %lli errno=%i\n", (long long)offset, (int)errno);
log_mesg(2, 0, 0, debug, "end\n");
#endif
}
} /// end of for
free(buffer);
} else if (opt.restore) {
/**
* read magic string from image file
* and check it.
*/
r_size = read_all(&dfr, bitmagic_r, 8, &opt); /// read a magic string
cmp = memcmp(bitmagic, bitmagic_r, 8);
if(cmp != 0)
log_mesg(0, 1, 1, debug, "bitmagic error %i\n", cmp);
/// seek to the first
sf = lseek(dfw, 0, SEEK_SET);
log_mesg(1, 0, 0, debug, "seek %lli for writing dtat string\n",sf);
if (sf == (off_t)-1)
log_mesg(0, 1, 1, debug, "seek set %lli\n", sf);
cache_buffer = (char*)malloc(image_hdr.block_size * (next_max_count+1));
if(cache_buffer == NULL) {
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
buffer = (char*)malloc(image_hdr.block_size); ///alloc a memory to copy data
if(buffer == NULL) {
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
/// start restore image file to partition
log_mesg(1, 0, 0, debug, "start restore data...\n");
for( block_id = 0; block_id < image_hdr.totalblock; block_id++ ) {
r_size = 0;
w_size = 0;
if (pc_test_bit(block_id, bitmap)) {
/// The block is used
log_mesg(1, 0, 0, debug, "block_id=%lli, ",block_id);
log_mesg(2, 0, 0, debug, "bitmap=%i, ",pc_test_bit(block_id, bitmap));
memset(buffer, 0, image_hdr.block_size);
r_size = read_all(&dfr, buffer, image_hdr.block_size, &opt);
log_mesg(3, 0, 0, debug, "bs=%i and r=%i, ",image_hdr.block_size, r_size);
if (r_size <0)
log_mesg(0, 1, 1, debug, "read errno = %i \n", errno);
/// read crc32 code and check it.
crc_ck = crc32(crc_ck, buffer, r_size);
crc_buffer = (char*)malloc(CRC_SIZE); ///alloc a memory to copy data
if(crc_buffer == NULL) {
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
c_size = read_all(&dfr, crc_buffer, CRC_SIZE, &opt);
if (c_size < CRC_SIZE)
log_mesg(0, 1, 1, debug, "read CRC error: %s, please check your image file. \n", strerror(errno));
memcpy(&crc, crc_buffer, CRC_SIZE);
/*FIX: 64bit image can't ignore crc error*/
if ((memcmp(&crc, &crc_ck, CRC_SIZE) != 0) && (!opt.ignore_crc)) {
log_mesg(1, 0, 0, debug, "CRC Check error. 64bit bug before v0.1.0 (Rev:250M), enlarge crc size and recheck again....\n ");
/// check again
buffer2 = (char*)malloc(image_hdr.block_size+CRC_SIZE); ///alloc a memory to copy data
if(buffer2 == NULL) {
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
memcpy(buffer2, buffer, image_hdr.block_size);
memcpy(buffer2+image_hdr.block_size, crc_buffer, CRC_SIZE);
memcpy(buffer, buffer2+CRC_SIZE, image_hdr.block_size);
crc_ck2 = crc32(crc_ck2, buffer, r_size);
c_size = read_all(&dfr, crc_buffer, CRC_SIZE, &opt);
if (c_size < CRC_SIZE)
log_mesg(0, 1, 1, debug, "read CRC error: %s, please check your image file. \n", strerror(errno));
memcpy(&crc, crc_buffer, CRC_SIZE);
if ((memcmp(&crc, &crc_ck2, CRC_SIZE) != 0 )&& (!opt.ignore_crc)) {
log_mesg(0, 1, 1, debug, "CRC error again at %i...\n ", sf);
} else {
crc_ck = crc_ck2;
}
free(buffer2);
} else {
crc_ck2 = crc_ck;
}
if(next != next_count) {
memset(cache_buffer, 0, image_hdr.block_size*next_max_count);
for (next_int = 1; next_int <= next_max_count; next_int++)
{
next_block_id = block_id+next_int;
if (pc_test_bit(next_block_id, bitmap)) {
next++;
} else {
next_count = next;
break;
}
next_count = next;
}
log_mesg(1, 0, 0, debug, "next = %i\n",next);
}
if ((next == next_count) &&(nx_current < next)) {
memcpy(cache_buffer+(image_hdr.block_size*nx_current), buffer, image_hdr.block_size);
w_size = 0;
nx_current++;
}
if ((next == next_count) && (nx_current == next)) {
#ifdef _FILE_OFFSET_BITS
offset = (off_t)((block_id-next+1) * image_hdr.block_size);
sf = lseek(dfw, offset, SEEK_SET);
if (sf == -1)
log_mesg(0, 1, 1, debug, "target seek error = %lli, ",sf);
#endif
/// write block from buffer to partition
w_size = write_all(&dfw, cache_buffer, (image_hdr.block_size*nx_current), &opt);
log_mesg(1, 0, 0, debug, "bs=%i and w=%i, ",(image_hdr.block_size*nx_current), w_size);
if (w_size != (int)image_hdr.block_size*nx_current)
log_mesg(0, 1, 1, debug, "write error %i \n", w_size);
next = 1;
next_count = next_max_count;
nx_current=0;
}
/// free buffer
free(crc_buffer);
copied++; /// count copied block
total_write += (unsigned long long) w_size; /// count copied size
/// read or write error
//if ((r_size != w_size) || (r_size != image_hdr.block_size))
// log_mesg(0, 1, 1, debug, "read and write different\n");
log_mesg(1, 0, 0, debug, "end\n");
} else {
/// for restore to row file, mount -o loop used.
if ((block_id == (image_hdr.totalblock-1)) && (opt.restore_row_file)) {
write_last_block(&dfw, image_hdr.block_size, block_id, &opt);
} else {
#ifndef _FILE_OFFSET_BITS
/// if the block is not used, I just skip it.
log_mesg(2, 0, 0, debug, "block_id=%lli, ",block_id);
sf = lseek(dfw, image_hdr.block_size, SEEK_CUR);
log_mesg(2, 0, 0, debug, "seek=%lli, ",sf);
if (sf == (off_t)-1)
log_mesg(0, 1, 1, debug, "seek error %lli errno=%i\n", (long long)offset, (int)errno);
log_mesg(2, 0, 0, debug, "end\n");
#endif
}
}
} // end of for
free(buffer);
} else if (opt.dd) {
sf = lseek(dfr, 0, SEEK_SET);
log_mesg(1, 0, 0, debug, "seek %lli for reading data string\n",sf);
if (sf == (off_t)-1)
log_mesg(0, 1, 1, debug, "seek set %lli\n", sf);
main_pos = lseek(dfr, 0, SEEK_CUR);
log_mesg(1, 0, 0, debug, "man pos = %lli\n", main_pos);
log_mesg(0, 0, 0, debug, "Total block %i\n", image_hdr.totalblock);
buffer = (char*)malloc(image_hdr.block_size); ///alloc a memory to copy data
if(buffer == NULL) {
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
/// start clone partition to image file
log_mesg(1, 0, 0, debug, "start backup data device-to-device...\n");
for( block_id = 0; block_id < image_hdr.totalblock; block_id++ ) {
r_size = 0;
w_size = 0;
if (pc_test_bit(block_id, bitmap)) {
/// if the block is used
log_mesg(1, 0, 0, debug, "block_id=%lli, ",block_id);
log_mesg(2, 0, 0, debug, "bitmap=%i, ",pc_test_bit(block_id, bitmap));
offset = (off_t)(block_id * image_hdr.block_size);
#ifdef _FILE_OFFSET_BITS
sf = lseek(dfr, offset, SEEK_SET);
if (sf == -1)
log_mesg(0, 1, 1, debug, "source seek error = %lli, ",sf);
sf = lseek(dfw, offset, SEEK_SET);
if (sf == -1)
log_mesg(0, 1, 1, debug, "target seek error = %lli, ",sf);
#endif
/// read data from source to buffer
memset(buffer, 0, image_hdr.block_size);
rescue_pos = lseek(dfr, 0, SEEK_CUR);
r_size = read_all(&dfr, buffer, image_hdr.block_size, &opt);
log_mesg(3, 0, 0, debug, "bs=%i and r=%i, ",image_hdr.block_size, r_size);
if (r_size != (int)image_hdr.block_size) {
if ((r_size == -1) && (errno == EIO)) {
if (opt.rescue) {
r_size = 0;
for (rescue_num = 0; rescue_num < image_hdr.block_size; rescue_num += SECTOR_SIZE) {
rescue_sector(&dfr, rescue_pos + rescue_num, buffer + rescue_num, &opt);
r_size+=SECTOR_SIZE;
}
} else
log_mesg(0, 1, 1, debug, "%s", bad_sectors_warning_msg);
} else
log_mesg(0, 1, 1, debug, "read error: %s(%i) \n", strerror(errno), errno);
}
/// write buffer to target
w_size = write_all(&dfw, buffer, image_hdr.block_size, &opt);
log_mesg(3, 0, 0, debug, "bs=%i and w=%i, ",image_hdr.block_size, w_size);
if (w_size != (int)image_hdr.block_size)
log_mesg(0, 1, 1, debug, "write error %i \n", w_size);
copied++; /// count copied block
total_write += (unsigned long long)(w_size); /// count copied size
log_mesg(2, 0, 0, debug, "total=%lli, ", total_write);
/// read or write error
if (r_size != w_size)
log_mesg(0, 1, 1, debug, "read and write different\n");
log_mesg(1, 0, 0, debug, "end\n");
} else {
#ifndef _FILE_OFFSET_BITS
/// if the block is not used, I just skip it.
log_mesg(2, 0, 0, debug, "block_id=%lli, ",block_id);
sf = lseek(dfr, image_hdr.block_size, SEEK_CUR);
log_mesg(2, 0, 0, debug, "skip source seek=%lli, ",sf);
sf = lseek(dfw, image_hdr.block_size, SEEK_CUR);
log_mesg(2, 0, 0, debug, "skip target seek=%lli, ",sf);
if (sf == (off_t)-1)
log_mesg(0, 1, 1, debug, "clone seek error %lli errno=%i\n", (long long)offset, (int)errno);
#endif
}
} /// end of for
free(buffer);
} else if (opt.domain) {
log_mesg(0, 0, 0, debug, "Total block %i\n", image_hdr.totalblock);
log_mesg(1, 0, 0, debug, "start writing domain log...\n");
// write domain log comment and status line
dprintf(dfw, "# Domain logfile created by %s v%s\n", EXECNAME, VERSION);
dprintf(dfw, "# Source: %s\n", opt.source);
dprintf(dfw, "# Offset: 0x%08llX\n", opt.offset_domain);
dprintf(dfw, "# current_pos current_status\n");
dprintf(dfw, "0x%08llX ?\n",
opt.offset_domain + (image_hdr.totalblock * image_hdr.block_size));
dprintf(dfw, "# pos size status\n");
// start logging the used/unused areas
next_block_id = 0;
cmp = pc_test_bit(0, bitmap);
for( block_id = 0; block_id <= image_hdr.totalblock; block_id++ ) {
if (block_id < image_hdr.totalblock) {
nx_current = pc_test_bit(block_id, bitmap);
if (nx_current == 1)
copied++;
} else
nx_current = -1;
if (nx_current != cmp) {
dprintf(dfw, "0x%08llX 0x%08llX %c\n",
opt.offset_domain + (next_block_id * image_hdr.block_size),
(block_id - next_block_id) * image_hdr.block_size,
cmp ? '+' : '?');
next_block_id = block_id;
cmp = nx_current;
}
// don't bother updating progress
} /// end of for
}
done = 1;
pres = pthread_join(prog_thread, &p_result);
update_pui(&prog, copied, block_id, done);
sync_data(dfw, &opt);
print_finish_info(opt);
close (dfr); /// close source
close (dfw); /// close target
free(bitmap); /// free bitmp
close_pui(pui);
printf("Cloned successfully.\n");
if(opt.debug)
close_log();
#ifdef MEMTRACE
muntrace();
#endif
return 0; /// finish
}
/**
* main functiom - for colne or restore data
*/
int main(int argc, char **argv){
char* source; /// source data
char* target; /// target data
char* buffer; /// buffer data for malloc used
char* buffer2; /// buffer data for malloc used
int dfr, dfw; /// file descriptor for source and target
int r_size, w_size; /// read and write size
//unsigned long long block_id, copied = 0; /// block_id is every block in partition
/// copied is copied block count
off_t offset = 0, sf = 0; /// seek postition, lseek result
int start, stop; /// start, range, stop number for progress bar
unsigned long long total_write = 0; /// the copied size
unsigned long long needed_size = 0; /// the copied size
unsigned long long needed_mem = 0; /// the copied size
char bitmagic[8] = "BiTmAgIc";// only for check postition
char bitmagic_r[8]; /// read magic string from image
int cmp; /// compare magic string
unsigned long *bitmap; /// the point for bitmap data
int debug = 0; /// debug or not
unsigned long crc = 0xffffffffL; /// CRC32 check code for writint to image
unsigned long crc_ck = 0xffffffffL; /// CRC32 check code for checking
unsigned long crc_ck2 = 0xffffffffL; /// CRC32 check code for checking
int c_size; /// CRC32 code size
//int done = 0;
int s_count = 0;
int tui = 0; /// text user interface
int pui = 0; /// progress mode(default text)
int raw = 0;
char image_hdr_magic[512];
int next=1,next_int=1,next_max_count=7,next_count=7;
unsigned long long next_block_id;
char* cache_buffer;
int nx_current=0;
int flag;
pthread_t prog_thread;
int pres;
void *p_result;
//progress_bar prog; /// progress_bar structure defined in progress.h
image_head image_hdr; /// image_head structure defined in partclone.h
/**
* get option and assign to opt structure
* check parameter and read from argv
*/
parse_options(argc, argv, &opt);
/**
* if "-d / --debug" given
* open debug file in "/var/log/partclone.log" for log message
*/
debug = opt.debug;
//if(opt.debug)
open_log(opt.logfile);
/**
* using Text User Interface
*/
if (opt.ncurses){
pui = NCURSES;
log_mesg(1, 0, 0, debug, "Using Ncurses User Interface mode.\n");
} else
pui = TEXT;
tui = open_pui(pui, opt.fresh);
if ((opt.ncurses) && (tui == 0)){
opt.ncurses = 0;
log_mesg(1, 0, 0, debug, "Open Ncurses User Interface Error.\n");
}
next_max_count = opt.max_block_cache-1;
next_count = opt.max_block_cache-1;
/// print partclone info
print_partclone_info(opt);
if (geteuid() != 0)
log_mesg(0, 1, 1, debug, "You are not logged as root. You may have \"access denied\" errors when working.\n");
else
log_mesg(1, 0, 0, debug, "UID is root.\n");
/// ignore crc check
if(opt.ignore_crc)
log_mesg(1, 0, 1, debug, "Ignore CRC error\n");
/**
* open source and target
* clone mode, source is device and target is image file/stdout
* restore mode, source is image file/stdin and target is device
* dd mode, source is device and target is device !!not complete
*/
#ifdef _FILE_OFFSET_BITS
log_mesg(1, 0, 0, debug, "enable _FILE_OFFSET_BITS %i\n", _FILE_OFFSET_BITS);
#endif
source = opt.source;
target = opt.target;
dfr = open_source(source, &opt);
if (dfr == -1) {
log_mesg(0, 1, 1, debug, "Erro EXIT.\n");
}
dfw = open_target(target, &opt);
if (dfw == -1) {
log_mesg(0, 1, 1, debug, "Error Exit.\n");
}
/**
* get partition information like super block, image_head, bitmap
* from device or image file.
*/
if (opt.restore){
log_mesg(1, 0, 0, debug, "restore image hdr - get image_head from image file\n");
/// get first 512 byte
r_size = read_all(&dfr, image_hdr_magic, 512, &opt);
/// check the image magic
if (memcmp(image_hdr_magic, IMAGE_MAGIC, IMAGE_MAGIC_SIZE) == 0){
restore_image_hdr_sp(&dfr, &opt, &image_hdr, image_hdr_magic);
/// check memory size
if (check_mem_size(image_hdr, opt, &needed_mem) == -1)
log_mesg(0, 1, 1, debug, "Ther is no enough free memory, partclone suggests you should have %llu bytes memory\n", needed_mem);
/// alloc a memory to restore bitmap
bitmap = (unsigned long*)calloc(sizeof(unsigned long), LONGS(image_hdr.totalblock));
if(bitmap == NULL){
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
/// check the file system
//if (strcmp(image_hdr.fs, FS) != 0)
// log_mesg(0, 1, 1, debug, "%s can't restore from the image which filesystem is %s not %s\n", argv[0], image_hdr.fs, FS);
log_mesg(2, 0, 0, debug, "initial main bitmap pointer %p\n", bitmap);
log_mesg(1, 0, 0, debug, "Initial image hdr - read bitmap table\n");
/// read and check bitmap from image file
log_mesg(0, 0, 1, debug, "Calculating bitmap... ");
log_mesg(0, 0, 1, debug, "Please wait... ");
get_image_bitmap(&dfr, opt, image_hdr, bitmap);
/// check the dest partition size.
if (opt.restore_raw_file)
check_free_space(&dfw, image_hdr.device_size);
else if(opt.check)
check_size(&dfw, image_hdr.device_size);
log_mesg(2, 0, 0, debug, "check main bitmap pointer %p\n", bitmap);
log_mesg(0, 0, 1, debug, "done!\n");
}else{
log_mesg(1, 0, 0, debug, "This is not partclone image.\n");
raw = 1;
//sf = lseek(dfr, 0, SEEK_SET);
log_mesg(1, 0, 0, debug, "Initial image hdr - get Super Block from partition\n");
/// get Super Block information from partition
if (dfr != 0)
initial_dd_hdr(dfr, &image_hdr);
else
initial_dd_hdr(dfw, &image_hdr);
/// check the dest partition size.
if(opt.check){
check_size(&dfw, image_hdr.device_size);
}
}
}
log_mesg(1, 0, 0, debug, "print image_head\n");
/// print option to log file
if (debug)
print_opt(opt);
/// print image_head
print_image_hdr_info(image_hdr, opt);
/**
* initial progress bar
*/
start = 0; /// start number of progress bar
stop = (image_hdr.usedblocks+1); /// get the end of progress number, only used block
log_mesg(1, 0, 0, debug, "Initial Progress bar\n");
/// Initial progress bar
if (opt.no_block_detail)
flag = NO_BLOCK_DETAIL;
else
flag = IO;
progress_init(&prog, start, stop, image_hdr.totalblock, flag, image_hdr.block_size);
copied = 0; /// initial number is 0
/**
* thread to print progress
*/
pres = pthread_create(&prog_thread, NULL, thread_update_pui, NULL);
/**
* start read and write data between device and image file
*/
if ((opt.restore) && (!raw)) {
/**
* read magic string from image file
* and check it.
*/
r_size = read_all(&dfr, bitmagic_r, 8, &opt); /// read a magic string
cmp = memcmp(bitmagic, bitmagic_r, 8);
if(cmp != 0)
log_mesg(0, 1, 1, debug, "bitmagic error %i\n", cmp);
cache_buffer = (char*)malloc(image_hdr.block_size * (next_max_count+1));
if(cache_buffer == NULL){
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
buffer = (char*)malloc(image_hdr.block_size); ///alloc a memory to copy data
if(buffer == NULL){
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
/// seek to the first
sf = lseek(dfw, opt.offset, SEEK_SET);
log_mesg(1, 0, 0, debug, "seek %lli for writing dtat string\n",sf);
if (sf == (off_t)-1)
log_mesg(0, 1, 1, debug, "seek set %ji\n", (intmax_t)sf);
/// start restore image file to partition
for( block_id = 0; block_id < image_hdr.totalblock; block_id++ ){
r_size = 0;
w_size = 0;
if (pc_test_bit(block_id, bitmap)){
/// The block is used
log_mesg(2, 0, 0, debug, "block_id=%llu, ",block_id);
log_mesg(1, 0, 0, debug, "bitmap=%i, ",pc_test_bit(block_id, bitmap));
memset(buffer, 0, image_hdr.block_size);
r_size = read_all(&dfr, buffer, image_hdr.block_size, &opt);
log_mesg(1, 0, 0, debug, "bs=%i and r=%i, ",image_hdr.block_size, r_size);
if (r_size <0)
log_mesg(0, 1, 1, debug, "read errno = %i \n", errno);
/// read crc32 code and check it.
crc_ck = crc32(crc_ck, buffer, r_size);
char crc_buffer[CRC_SIZE];
c_size = read_all(&dfr, crc_buffer, CRC_SIZE, &opt);
if (c_size < CRC_SIZE)
log_mesg(0, 1, 1, debug, "read CRC error: %s, please check your image file. \n", strerror(errno));
/*FIX: 64bit image can't ignore crc error*/
if ((memcmp(crc_buffer, &crc_ck, CRC_SIZE) != 0) && (!opt.ignore_crc) ){
log_mesg(1, 0, 0, debug, "CRC Check error. 64bit bug before v0.1.0 (Rev:250M), enlarge crc size and recheck again....\n ");
/// check again
buffer2 = (char*)malloc(image_hdr.block_size+CRC_SIZE); ///alloc a memory to copy data
if(buffer2 == NULL){
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
memcpy(buffer2, buffer, image_hdr.block_size);
memcpy(buffer2+image_hdr.block_size, crc_buffer, CRC_SIZE);
memcpy(buffer, buffer2+CRC_SIZE, image_hdr.block_size);
crc_ck2 = crc32(crc_ck2, buffer, r_size);
c_size = read_all(&dfr, crc_buffer, CRC_SIZE, &opt);
if (c_size < CRC_SIZE)
log_mesg(0, 1, 1, debug, "read CRC error: %s, please check your image file. \n", strerror(errno));
if ((memcmp(crc_buffer, &crc_ck2, CRC_SIZE) != 0) && (!opt.ignore_crc)){
log_mesg(0, 1, 1, debug, "CRC error again at %ji...\n ", (intmax_t)sf);
} else {
crc_ck = crc_ck2;
}
free(buffer2);
} else {
crc_ck2 = crc_ck;
}
if(next != next_count){
memset(cache_buffer, 0, image_hdr.block_size*next_max_count);
for (next_int = 1; next_int <= next_max_count; next_int++)
{
next_block_id = block_id+next_int;
if (pc_test_bit(next_block_id, bitmap)) {
next++;
} else {
next_count = next;
break;
}
next_count = next;
}
log_mesg(1, 0, 0, debug, "next = %i\n",next);
}
if ((next == next_count) &&(nx_current < next)){
memcpy(cache_buffer+(image_hdr.block_size*nx_current), buffer, image_hdr.block_size);
w_size = 0;
nx_current++;
}
if ((next == next_count) && (nx_current == next)){
#ifdef _FILE_OFFSET_BITS
offset = (off_t)(((block_id-next+1) * image_hdr.block_size)+opt.offset);
sf = lseek(dfw, offset, SEEK_SET);
if (sf == -1)
log_mesg(0, 1, 1, debug, "target seek error = %ji, ", (intmax_t)sf);
#endif
/// write block from buffer to partition
w_size = write_all(&dfw, cache_buffer, (image_hdr.block_size*nx_current), &opt);
log_mesg(1, 0, 0, debug, "bs=%i and w=%i, ",(image_hdr.block_size*nx_current), w_size);
if (w_size != image_hdr.block_size*nx_current)
log_mesg(0, 1, 1, debug, "write error %i \n", w_size);
next = 1;
next_count = next_max_count;
nx_current=0;
}
copied++; /// count copied block
total_write += (unsigned long long) w_size; /// count copied size
/// read or write error
//if ((r_size != w_size) || (r_size != image_hdr.block_size))
// log_mesg(0, 1, 1, debug, "read and write different\n");
log_mesg(1, 0, 0, debug, "end\n");
} else {
/// for restore to raw file, mount -o loop used.
if ((block_id == (image_hdr.totalblock-1)) && (opt.restore_raw_file)){
write_last_block(&dfw, image_hdr.block_size, block_id, &opt);
} else {
#ifndef _FILE_OFFSET_BITS
/// if the block is not used, I just skip it.
log_mesg(2, 0, 0, debug, "block_id=%llu, ",block_id);
sf = lseek(dfw, image_hdr.block_size, SEEK_CUR);
log_mesg(2, 0, 0, debug, "seek=%ji, ", (intmax_t)sf);
if (sf == (off_t)-1)
log_mesg(0, 1, 1, debug, "seek error %ji errno=%i\n", (intmax_t)offset, errno);
log_mesg(2, 0, 0, debug, "end\n");
#endif
}
}
//if (!opt.quiet)
// update_pui(&prog, copied, block_id, done);
} // end of for
/// free buffer
free(cache_buffer);
free(buffer);
done = 1;
pres = pthread_join(prog_thread, &p_result);
update_pui(&prog, copied, block_id, done);
sync_data(dfw, &opt);
} else if ((opt.restore) && (raw)){
/// start clone partition to image file
//write image_head to image file
w_size = write_all(&dfw, image_hdr_magic, 512, &opt);
if(w_size == -1)
log_mesg(0, 1, 1, debug, "write image_hdr to image error\n");
block_id = 1;
buffer = (char*)malloc(image_hdr.block_size); ///alloc a memory to copy data
if(buffer == NULL){
log_mesg(0, 1, 1, debug, "%s, %i, ERROR:%s", __func__, __LINE__, strerror(errno));
}
do {
r_size = 0;
w_size = 0;
memset(buffer, 0, image_hdr.block_size);
log_mesg(1, 0, 0, debug, "block_id=%llu, ",block_id);
/// read data from source to buffer
r_size = read_all(&dfr, buffer, image_hdr.block_size, &opt);
log_mesg(1, 0, 0, debug, "bs=%i and r=%i, ",image_hdr.block_size, r_size);
if (r_size != (int)image_hdr.block_size){
if (r_size == 0){
//EIO
done = 1;
} else {
log_mesg(0, 1, 1, debug, "read error: %s(%i) rsize=%i\n", strerror(errno), errno, r_size);
}
}
if (r_size == image_hdr.block_size){
/// write buffer to target
w_size = write_all(&dfw, buffer, image_hdr.block_size, &opt);
log_mesg(2, 0, 0, debug, "bs=%i and w=%i, ",image_hdr.block_size, w_size);
if (w_size != (int)image_hdr.block_size)
log_mesg(0, 1, 1, debug, "write error %i \n", w_size);
} else if (r_size < image_hdr.block_size){
/// write readed buffer to target
w_size = write_all(&dfw, buffer, r_size, &opt);
log_mesg(2, 0, 0, debug, "bs=%i and w=%i, ",image_hdr.block_size, w_size);
if (w_size != r_size)
log_mesg(0, 1, 1, debug, "write error %i \n", w_size);
} else {
w_size = 0;
}
/// read or write error
if (r_size != w_size)
log_mesg(0, 1, 1, debug, "read and write different\n");
log_mesg(1, 0, 0, debug, "end\n");
block_id++;
copied++; /// count copied block
total_write += (unsigned long long)(w_size); /// count copied size
log_mesg(1, 0, 0, debug, "total=%llu, ", total_write);
//if (!opt.quiet)
//update_pui(&prog, copied, block_id, done);
} while (done == 0);/// end of for
pres = pthread_join(prog_thread, &p_result);
update_pui(&prog, copied, block_id, done);
sync_data(dfw, &opt);
/// free buffer
free(buffer);
}
print_finish_info(opt);
close (dfr); /// close source
close (dfw); /// close target
free(bitmap); /// free bitmp
close_pui(pui);
fprintf(stderr, "Cloned successfully.\n");
if(opt.debug)
close_log();
return 0; /// finish
}
