* %End-Header%
*/
+#ifndef _LARGEFILE_SOURCE
#define _LARGEFILE_SOURCE
+#endif
+#ifndef _LARGEFILE64_SOURCE
#define _LARGEFILE64_SOURCE
+#endif
#include "config.h"
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <assert.h>
+#include <signal.h>
#include "ext2fs/ext2_fs.h"
#include "ext2fs/ext2fs.h"
+#include "ext2fs/ext2fsP.h"
#include "et/com_err.h"
#include "uuid/uuid.h"
#include "e2p/e2p.h"
#include "ext2fs/e2image.h"
#include "ext2fs/qcow2.h"
+#include "support/nls-enable.h"
+#include "support/plausible.h"
#include "../version.h"
-#include "nls-enable.h"
-#define QCOW_OFLAG_COPIED (1LL << 63)
+#define QCOW_OFLAG_COPIED (1ULL << 63)
+#define NO_BLK ((blk64_t) -1)
+/* Image types */
+#define E2IMAGE_RAW 1
+#define E2IMAGE_QCOW2 2
+
+/* Image flags */
+#define E2IMAGE_INSTALL_FLAG 1
+#define E2IMAGE_SCRAMBLE_FLAG 2
+#define E2IMAGE_IS_QCOW2_FLAG 4
+#define E2IMAGE_CHECK_ZERO_FLAG 8
static const char * program_name = "e2image";
static char * device_name = NULL;
static char all_data;
static char output_is_blk;
+static char nop_flag;
/* writing to blk device: don't skip zeroed blocks */
-blk64_t source_offset, dest_offset;
-char move_mode;
-
-static void lseek_error_and_exit(int errnum)
-{
- fprintf(stderr, "seek: %s\n", error_message(errnum));
- exit(1);
-}
+static blk64_t source_offset, dest_offset;
+static char move_mode;
+static char show_progress;
+static char *check_buf;
+static int skipped_blocks;
-static blk64_t align_offset(blk64_t offset, int n)
+static blk64_t align_offset(blk64_t offset, unsigned int n)
{
- return (offset + n - 1) & ~(n - 1);
+ return (offset + n - 1) & ~((blk64_t) n - 1);
}
static int get_bits_from_size(size_t size)
static void usage(void)
{
- fprintf(stderr, _("Usage: %s [-rsIQaf] [-o source_offset] [-O dest_offset] device image_file\n"),
+ fprintf(stderr, _("Usage: %s [ -r|-Q ] [ -f ] [ -b superblock ] [ -B blocksize ] "
+ "device image-file\n"),
+ program_name);
+ fprintf(stderr, _(" %s -I device image-file\n"), program_name);
+ fprintf(stderr, _(" %s -ra [ -cfnp ] [ -o src_offset ] "
+ "[ -O dest_offset ] src_fs [ dest_fs ]\n"),
program_name);
exit (1);
}
+static ext2_loff_t seek_relative(int fd, int offset)
+{
+ ext2_loff_t ret = ext2fs_llseek(fd, offset, SEEK_CUR);
+ if (ret < 0) {
+ perror("seek_relative");
+ exit(1);
+ }
+ return ret;
+}
+
+static ext2_loff_t seek_set(int fd, ext2_loff_t offset)
+{
+ ext2_loff_t ret = ext2fs_llseek(fd, offset, SEEK_SET);
+ if (ret < 0) {
+ perror("seek_set");
+ exit(1);
+ }
+ return ret;
+}
+
+/*
+ * Returns true if the block we are about to write is identical to
+ * what is already on the disk.
+ */
+static int check_block(int fd, void *buf, void *cbuf, int blocksize)
+{
+ char *cp = cbuf;
+ int count = blocksize, ret;
+
+ if (cbuf == NULL)
+ return 0;
+
+ while (count > 0) {
+ ret = read(fd, cp, count);
+ if (ret < 0) {
+ perror("check_block");
+ exit(1);
+ }
+ count -= ret;
+ cp += ret;
+ }
+ ret = memcmp(buf, cbuf, blocksize);
+ seek_relative(fd, -blocksize);
+ return (ret == 0) ? 1 : 0;
+}
+
static void generic_write(int fd, void *buf, int blocksize, blk64_t block)
{
int count, free_buf = 0;
free_buf = 1;
err = ext2fs_get_arrayzero(1, blocksize, &buf);
if (err) {
- com_err(program_name, err, "while allocating buffer");
+ com_err(program_name, err, "%s",
+ _("while allocating buffer"));
exit(1);
}
}
-
+ if (nop_flag) {
+ printf(_("Writing block %llu\n"), (unsigned long long) block);
+ if (fd != 1)
+ seek_relative(fd, blocksize);
+ goto free_and_return;
+ }
count = write(fd, buf, blocksize);
if (count != blocksize) {
if (count == -1)
err = 0;
if (block)
- com_err(program_name, err, "error writing block %llu",
- block);
+ com_err(program_name, err,
+ _("error writing block %llu"),
+ (unsigned long long) block);
else
- com_err(program_name, err, "error in write()");
+ com_err(program_name, err, "%s",
+ _("error in generic_write()"));
exit(1);
}
+free_and_return:
if (free_buf)
ext2fs_free_mem(&buf);
}
exit(1);
}
- if (ext2fs_llseek(fd, 0, SEEK_SET) < 0) {
- perror("ext2fs_llseek while writing header");
- exit(1);
- }
+ seek_set(fd, 0);
memset(header_buf, 0, wrt_size);
if (hdr)
memcpy(header_buf, hdr, hdr_size);
- generic_write(fd, header_buf, wrt_size, 0);
+ generic_write(fd, header_buf, wrt_size, NO_BLK);
ext2fs_free_mem(&header_buf);
}
write_header(fd, NULL, sizeof(struct ext2_image_hdr), fs->blocksize);
memset(&hdr, 0, sizeof(struct ext2_image_hdr));
- hdr.offset_super = ext2fs_llseek(fd, 0, SEEK_CUR);
+ hdr.offset_super = ext2fs_cpu_to_le32(seek_relative(fd, 0));
retval = ext2fs_image_super_write(fs, fd, 0);
if (retval) {
com_err(program_name, retval, "%s",
exit(1);
}
- hdr.offset_inode = ext2fs_llseek(fd, 0, SEEK_CUR);
+ hdr.offset_inode = ext2fs_cpu_to_le32(seek_relative(fd, 0));
retval = ext2fs_image_inode_write(fs, fd,
(fd != 1) ? IMAGER_FLAG_SPARSEWRITE : 0);
if (retval) {
exit(1);
}
- hdr.offset_blockmap = ext2fs_llseek(fd, 0, SEEK_CUR);
+ hdr.offset_blockmap = ext2fs_cpu_to_le32(seek_relative(fd, 0));
retval = ext2fs_image_bitmap_write(fs, fd, 0);
if (retval) {
com_err(program_name, retval, "%s",
exit(1);
}
- hdr.offset_inodemap = ext2fs_llseek(fd, 0, SEEK_CUR);
+ hdr.offset_inodemap = ext2fs_cpu_to_le32(seek_relative(fd, 0));
retval = ext2fs_image_bitmap_write(fs, fd, IMAGER_FLAG_INODEMAP);
if (retval) {
com_err(program_name, retval, "%s",
exit(1);
}
- hdr.magic_number = EXT2_ET_MAGIC_E2IMAGE;
+ hdr.magic_number = ext2fs_cpu_to_le32(EXT2_ET_MAGIC_E2IMAGE);
strcpy(hdr.magic_descriptor, "Ext2 Image 1.0");
gethostname(hdr.fs_hostname, sizeof(hdr.fs_hostname));
strncpy(hdr.fs_device_name, device_name, sizeof(hdr.fs_device_name)-1);
hdr.fs_device_name[sizeof(hdr.fs_device_name) - 1] = 0;
- hdr.fs_blocksize = fs->blocksize;
+ hdr.fs_blocksize = ext2fs_cpu_to_le32(fs->blocksize);
if (stat(device_name, &st) == 0)
- hdr.fs_device = st.st_rdev;
+ hdr.fs_device = ext2fs_cpu_to_le32(st.st_rdev);
if (fstat(fd, &st) == 0) {
- hdr.image_device = st.st_dev;
- hdr.image_inode = st.st_ino;
+ hdr.image_device = ext2fs_cpu_to_le32(st.st_dev);
+ hdr.image_inode = ext2fs_cpu_to_le32(st.st_ino);
}
memcpy(hdr.fs_uuid, fs->super->s_uuid, sizeof(hdr.fs_uuid));
- hdr.image_time = time(0);
+ hdr.image_time = ext2fs_cpu_to_le32(time(0));
write_header(fd, &hdr, sizeof(struct ext2_image_hdr), fs->blocksize);
}
* structure, so there's no point in letting the ext2fs library read
* the inode again.
*/
-static ino_t stashed_ino = 0;
+static ext2_ino_t stashed_ino = 0;
static struct ext2_inode *stashed_inode;
static errcode_t meta_get_blocks(ext2_filsys fs EXT2FS_ATTR((unused)),
}
meta_blocks_count += fs->desc_blocks;
+ /*
+ * Mark MMP block
+ */
+ if (fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_MMP) {
+ ext2fs_mark_block_bitmap2(meta_block_map, fs->super->s_mmp_block);
+ meta_blocks_count++;
+ }
+
for (i = 0; i < fs->group_desc_count; i++) {
/*
* Mark the blocks used for the inode table
ext2fs_inode_table_loc(fs, i)) {
unsigned int end = (unsigned) fs->inode_blocks_per_group;
/* skip unused blocks */
- if (!output_is_blk &&
- EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
- EXT4_FEATURE_RO_COMPAT_GDT_CSUM))
+ if (!output_is_blk && ext2fs_has_group_desc_csum(fs))
end -= (ext2fs_bg_itable_unused(fs, i) /
EXT2_INODES_PER_BLOCK(fs->super));
for (j = 0, b = ext2fs_inode_table_loc(fs, i);
return 1;
}
-static void write_block(int fd, char *buf, int sparse_offset,
- int blocksize, blk64_t block)
-{
- ext2_loff_t ret = 0;
-
- if (sparse_offset)
- ret = ext2fs_llseek(fd, sparse_offset, SEEK_CUR);
-
- if (ret < 0)
- lseek_error_and_exit(errno);
- generic_write(fd, buf, blocksize, block);
-}
-
static int name_id[256];
#define EXT4_MAX_REC_LEN ((1<<16)-1)
#endif
if (rec_len < 8 || (rec_len % 4) ||
(p+rec_len > end)) {
- printf("Corrupt directory block %lu: "
- "bad rec_len (%d)\n", (unsigned long) blk,
- rec_len);
+ printf(_("Corrupt directory block %llu: "
+ "bad rec_len (%d)\n"),
+ (unsigned long long) blk, rec_len);
rec_len = end - p;
(void) ext2fs_set_rec_len(fs, rec_len,
(struct ext2_dir_entry *) dirent);
continue;
}
if (dirent->name_len + 8U > rec_len) {
- printf("Corrupt directory block %lu: "
- "bad name_len (%d)\n", (unsigned long) blk,
- dirent->name_len);
+ printf(_("Corrupt directory block %llu: "
+ "bad name_len (%d)\n"),
+ (unsigned long long) blk, dirent->name_len);
dirent->name_len = rec_len - 8;
continue;
}
}
}
-static void output_meta_data_blocks(ext2_filsys fs, int fd)
+static char got_sigint;
+
+static void sigint_handler(int unused EXT2FS_ATTR((unused)))
+{
+ got_sigint = 1;
+ signal (SIGINT, SIG_DFL);
+}
+
+#define calc_percent(a, b) ((int) ((100.0 * (((float) (a)) / \
+ ((float) (b)))) + 0.5))
+#define calc_rate(t, b, d) (((float)(t) / ((float)(1024 * 1024) / (b))) / (d))
+
+static int print_progress(blk64_t num, blk64_t total)
+{
+ return fprintf(stderr, _("%llu / %llu blocks (%d%%)"),
+ (unsigned long long) num,
+ (unsigned long long) total,
+ calc_percent(num, total));
+}
+
+static void output_meta_data_blocks(ext2_filsys fs, int fd, int flags)
{
errcode_t retval;
blk64_t blk;
blk64_t start = 0;
blk64_t distance = 0;
blk64_t end = ext2fs_blocks_count(fs->super);
+ time_t last_update = 0;
+ time_t start_time = 0;
+ blk64_t total_written = 0;
+ int bscount = 0;
retval = ext2fs_get_mem(fs->blocksize, &buf);
if (retval) {
- com_err(program_name, retval, "while allocating buffer");
+ com_err(program_name, retval, "%s",
+ _("while allocating buffer"));
exit(1);
}
retval = ext2fs_get_memzero(fs->blocksize, &zero_buf);
if (retval) {
- com_err(program_name, retval, "while allocating buffer");
+ com_err(program_name, retval, "%s",
+ _("while allocating buffer"));
exit(1);
}
+ if (show_progress) {
+ fprintf(stderr, "%s", _("Copying "));
+ bscount = print_progress(total_written, meta_blocks_count);
+ fflush(stderr);
+ last_update = time(NULL);
+ start_time = time(NULL);
+ }
/* when doing an in place move to the right, you can't start
at the beginning or you will overwrite data, so instead
divide the fs up into distance size chunks and write them
if (distance < ext2fs_blocks_count(fs->super))
start = ext2fs_blocks_count(fs->super) - distance;
}
+ if (move_mode)
+ signal (SIGINT, sigint_handler);
more_blocks:
if (distance)
- ext2fs_llseek (fd, (start * fs->blocksize) + dest_offset, SEEK_SET);
+ seek_set(fd, (start * fs->blocksize) + dest_offset);
for (blk = start; blk < end; blk++) {
+ if (got_sigint) {
+ if (distance) {
+ /* moving to the right */
+ if (distance >= ext2fs_blocks_count(fs->super)||
+ start == ext2fs_blocks_count(fs->super) -
+ distance)
+ kill(getpid(), SIGINT);
+ } else {
+ /* moving to the left */
+ if (blk < (source_offset - dest_offset) /
+ fs->blocksize)
+ kill(getpid(), SIGINT);
+ }
+ if (show_progress)
+ fputc('\r', stderr);
+ fprintf(stderr, "%s",
+ _("Stopping now will destroy the filesystem, "
+ "interrupt again if you are sure\n"));
+ if (show_progress) {
+ fprintf(stderr, "%s", _("Copying "));
+ bscount = print_progress(total_written,
+ meta_blocks_count);
+ fflush(stderr);
+ }
+
+ got_sigint = 0;
+ }
+ if (show_progress && last_update != time(NULL)) {
+ time_t duration;
+ last_update = time(NULL);
+ while (bscount--)
+ fputc('\b', stderr);
+ bscount = print_progress(total_written,
+ meta_blocks_count);
+ duration = time(NULL) - start_time;
+ if (duration > 5 && total_written) {
+ time_t est = (duration * meta_blocks_count /
+ total_written) - duration;
+ char buff[30];
+ strftime(buff, 30, "%T", gmtime(&est));
+ bscount +=
+ fprintf(stderr,
+ _(" %s remaining at %.2f MB/s"),
+ buff, calc_rate(total_written,
+ fs->blocksize,
+ duration));
+ }
+ fflush (stderr);
+ }
if ((blk >= fs->super->s_first_data_block) &&
ext2fs_test_block_bitmap2(meta_block_map, blk)) {
retval = io_channel_read_blk64(fs->io, blk, 1, buf);
if (retval) {
com_err(program_name, retval,
- "error reading block %llu", blk);
+ _("error reading block %llu"),
+ (unsigned long long) blk);
}
+ total_written++;
if (scramble_block_map &&
ext2fs_test_block_bitmap2(scramble_block_map, blk))
scramble_dir_block(fs, blk, buf);
- if ((fd != 1) && check_zero_block(buf, fs->blocksize))
+ if ((flags & E2IMAGE_CHECK_ZERO_FLAG) &&
+ check_zero_block(buf, fs->blocksize))
goto sparse_write;
- write_block(fd, buf, sparse, fs->blocksize, blk);
+ if (sparse)
+ seek_relative(fd, sparse);
sparse = 0;
+ if (check_block(fd, buf, check_buf, fs->blocksize)) {
+ seek_relative(fd, fs->blocksize);
+ skipped_blocks++;
+ } else
+ generic_write(fd, buf, fs->blocksize, blk);
} else {
sparse_write:
if (fd == 1) {
- write_block(fd, zero_buf, 0,
- fs->blocksize, blk);
+ if (!nop_flag)
+ generic_write(fd, zero_buf,
+ fs->blocksize, blk);
continue;
}
sparse += fs->blocksize;
if (sparse > 1024*1024) {
- write_block(fd, 0, 1024*1024, 0, 0);
+ seek_relative(fd, 1024*1024);
sparse -= 1024*1024;
}
}
sparse = 0;
goto more_blocks;
}
+ signal (SIGINT, SIG_DFL);
+ if (show_progress) {
+ time_t duration = time(NULL) - start_time;
+ char buff[30];
+ fputc('\r', stderr);
+ strftime(buff, 30, "%T", gmtime(&duration));
+ fprintf(stderr, _("Copied %llu / %llu blocks (%d%%) in %s "),
+ (unsigned long long) total_written,
+ (unsigned long long) meta_blocks_count,
+ calc_percent(total_written, meta_blocks_count), buff);
+ if (duration)
+ fprintf(stderr, _("at %.2f MB/s"),
+ calc_rate(total_written, fs->blocksize, duration));
+ fputs(" \n", stderr);
+ }
#ifdef HAVE_FTRUNCATE64
if (sparse) {
ext2_loff_t offset;
if (distance)
- offset = ext2fs_llseek(
- fd,
- fs->blocksize * ext2fs_blocks_count(fs->super) + dest_offset,
- SEEK_SET);
- else offset = ext2fs_llseek(fd, sparse, SEEK_CUR);
+ offset = seek_set(fd,
+ fs->blocksize * ext2fs_blocks_count(fs->super) + dest_offset);
+ else
+ offset = seek_relative(fd, sparse);
- if (offset < 0)
- lseek_error_and_exit(errno);
- if (ftruncate64(fd, offset) < 0)
- write_block(fd, zero_buf, -1, 1, -1);
+ if (ftruncate64(fd, offset) < 0) {
+ seek_relative(fd, -1);
+ generic_write(fd, zero_buf, 1, NO_BLK);
+ }
}
#else
- if (sparse && !distance)
- write_block(fd, zero_buf, sparse-1, 1, -1);
+ if (sparse && !distance) {
+ seek_relative(fd, sparse-1);
+ generic_write(fd, zero_buf, 1, NO_BLK);
+ }
#endif
ext2fs_free_mem(&zero_buf);
ext2fs_free_mem(&buf);
ret = ext2fs_get_arrayzero(image->l1_size, sizeof(__u64), &l1_table);
if (ret) {
- com_err(program_name, ret, "while allocating l1 table");
+ com_err(program_name, ret, "%s",
+ _("while allocating l1 table"));
exit(1);
}
return;
alloc_err:
- com_err(program_name, ret, "while allocating l2 cache");
+ com_err(program_name, ret, "%s", _("while allocating l2 cache"));
exit(1);
}
}
if (cache->free != cache->count) {
- fprintf(stderr, "Warning: There are still tables in the "
- "cache while putting the cache, data will "
- "be lost so the image may not be valid.\n");
+ fprintf(stderr, "%s", _("Warning: There are still tables in "
+ "the cache while putting the cache, "
+ "data will be lost so the image may "
+ "not be valid.\n"));
table = cache->used_head;
cache->used_head = NULL;
goto again;
return ret;
}
-static int initialize_qcow2_image(int fd, ext2_filsys fs,
- struct ext2_qcow2_image *image)
+static errcode_t initialize_qcow2_image(int fd, ext2_filsys fs,
+ struct ext2_qcow2_image *image)
{
struct ext2_qcow2_hdr *header;
blk64_t total_size, offset;
int cluster_bits = get_bits_from_size(fs->blocksize);
struct ext2_super_block *sb = fs->super;
+ /* Sbould never happen, but just in case... */
+ if (cluster_bits < 0)
+ return EXT2_FILSYS_CORRUPTED;
+
/* Allocate header */
ret = ext2fs_get_memzero(sizeof(struct ext2_qcow2_hdr), &header);
if (ret)
int fd = image->fd;
/* Store current position */
- if ((offset = ext2fs_llseek(fd, 0, SEEK_CUR)) < 0)
- lseek_error_and_exit(errno);
+ offset = seek_relative(fd, 0);
assert(table);
while (cache->free < cache->count) {
if (seek != table->offset) {
- if (ext2fs_llseek(fd, table->offset, SEEK_SET) < 0)
- lseek_error_and_exit(errno);
+ seek_set(fd, table->offset);
seek = table->offset;
}
- generic_write(fd, (char *)table->data, image->cluster_size , 0);
+ generic_write(fd, (char *)table->data, image->cluster_size,
+ NO_BLK);
put_used_table(image, &table);
seek += image->cluster_size;
}
/* Restore previous position */
- if (ext2fs_llseek(fd, offset, SEEK_SET) < 0)
- lseek_error_and_exit(errno);
+ seek_set(fd, offset);
}
/**
*/
if (table_index != ref->refcount_table_index) {
- if (ext2fs_llseek(fd, ref->refcount_block_offset, SEEK_SET) < 0)
- lseek_error_and_exit(errno);
+ seek_set(fd, ref->refcount_block_offset);
generic_write(fd, (char *)ref->refcount_block,
- img->cluster_size, 0);
+ img->cluster_size, NO_BLK);
memset(ref->refcount_block, 0, img->cluster_size);
ref->refcount_table[ref->refcount_table_index] =
/*
* We are relying on the fact that we are creating the qcow2
* image sequentially, hence we will always allocate refcount
- * block items sequentialy.
+ * block items sequentially.
*/
ref->refcount_block[ref->refcount_block_index] = ext2fs_cpu_to_be16(1);
ref->refcount_block_index++;
ref->refcount_table[ref->refcount_table_index] =
ext2fs_cpu_to_be64(ref->refcount_block_offset);
- if (ext2fs_llseek(fd, ref->refcount_table_offset, SEEK_SET) < 0)
- lseek_error_and_exit(errno);
+ seek_set(fd, ref->refcount_table_offset);
generic_write(fd, (char *)ref->refcount_table,
- ref->refcount_table_clusters << img->cluster_bits, 0);
+ ref->refcount_table_clusters << img->cluster_bits, NO_BLK);
- if (ext2fs_llseek(fd, ref->refcount_block_offset, SEEK_SET) < 0)
- lseek_error_and_exit(errno);
- generic_write(fd, (char *)ref->refcount_block, img->cluster_size, 0);
+ seek_set(fd, ref->refcount_block_offset);
+ generic_write(fd, (char *)ref->refcount_block, img->cluster_size,
+ NO_BLK);
return 0;
}
/* allocate struct ext2_qcow2_image */
retval = ext2fs_get_mem(sizeof(struct ext2_qcow2_image), &img);
if (retval) {
- com_err(program_name, retval,
- "while allocating ext2_qcow2_image");
+ com_err(program_name, retval, "%s",
+ _("while allocating ext2_qcow2_image"));
exit(1);
}
retval = initialize_qcow2_image(fd, fs, img);
if (retval) {
- com_err(program_name, retval,
- "while initializing ext2_qcow2_image");
+ com_err(program_name, retval, "%s",
+ _("while initializing ext2_qcow2_image"));
exit(1);
}
header_size = align_offset(sizeof(struct ext2_qcow2_hdr),
/* Refcount all qcow2 related metadata up to refcount_block_offset */
end = img->refcount.refcount_block_offset;
- if (ext2fs_llseek(fd, end, SEEK_SET) < 0)
- lseek_error_and_exit(errno);
+ seek_set(fd, end);
blk = end + img->cluster_size;
for (offset = 0; offset <= end; offset += img->cluster_size) {
if (update_refcount(fd, img, offset, blk)) {
end += img->cluster_size;
}
}
- if (ext2fs_llseek(fd, offset, SEEK_SET) < 0)
- lseek_error_and_exit(errno);
+ seek_set(fd, offset);
retval = ext2fs_get_mem(fs->blocksize, &buf);
if (retval) {
- com_err(program_name, retval, "while allocating buffer");
+ com_err(program_name, retval, "%s",
+ _("while allocating buffer"));
exit(1);
}
/* Write qcow2 data blocks */
retval = io_channel_read_blk64(fs->io, blk, 1, buf);
if (retval) {
com_err(program_name, retval,
- "error reading block %llu", blk);
+ _("error reading block %llu"),
+ (unsigned long long) blk);
continue;
}
if (scramble_block_map &&
if (update_refcount(fd, img, offset, offset)) {
/* Make space for another refcount block */
offset += img->cluster_size;
- if (ext2fs_llseek(fd, offset, SEEK_SET) < 0)
- lseek_error_and_exit(errno);
+ seek_set(fd, offset);
/*
* We have created the new refcount block, this
* means that we need to refcount it as well.
* block should not be created!
*/
if (update_refcount(fd, img, offset, offset)) {
- fprintf(stderr, "Programming error: "
- "multiple sequential refcount "
- "blocks created!\n");
+ fprintf(stderr, "%s",
+ _("Programming error: multiple "
+ "sequential refcount blocks "
+ "created!\n"));
exit(1);
}
}
- generic_write(fd, buf, fs->blocksize, 0);
+ generic_write(fd, buf, fs->blocksize, blk);
if (add_l2_item(img, blk, offset,
offset + img->cluster_size)) {
offset += img->cluster_size;
if (update_refcount(fd, img, offset,
offset)) {
- fprintf(stderr,
- "Programming error: multiple sequential refcount "
- "blocks created!\n");
+ fprintf(stderr, "%s",
+ _("Programming error: multiple sequential refcount "
+ "blocks created!\n"));
exit(1);
}
}
offset += img->cluster_size;
- if (ext2fs_llseek(fd, offset, SEEK_SET) < 0)
- lseek_error_and_exit(errno);
+ seek_set(fd, offset);
continue;
}
sync_refcount(fd, img);
/* Write l1_table*/
- if (ext2fs_llseek(fd, img->l1_offset, SEEK_SET) < 0)
- lseek_error_and_exit(errno);
+ seek_set(fd, img->l1_offset);
size = img->l1_size * sizeof(__u64);
- generic_write(fd, (char *)img->l1_table, size, 0);
+ generic_write(fd, (char *)img->l1_table, size, NO_BLK);
ext2fs_free_mem(&buf);
free_qcow2_image(img);
}
-static void write_raw_image_file(ext2_filsys fs, int fd, int type, int flags)
+static void write_raw_image_file(ext2_filsys fs, int fd, int type, int flags,
+ blk64_t superblock)
{
struct process_block_struct pb;
struct ext2_inode inode;
char * block_buf;
meta_blocks_count = 0;
- retval = ext2fs_allocate_block_bitmap(fs, "in-use block map",
+ retval = ext2fs_allocate_block_bitmap(fs, _("in-use block map"),
&meta_block_map);
if (retval) {
- com_err(program_name, retval, "while allocating block bitmap");
+ com_err(program_name, retval, "%s",
+ _("while allocating block bitmap"));
exit(1);
}
retval = ext2fs_allocate_block_bitmap(fs, "scramble block map",
&scramble_block_map);
if (retval) {
- com_err(program_name, retval,
- "while allocating scramble block bitmap");
+ com_err(program_name, retval, "%s",
+ _("while allocating scramble block bitmap"));
exit(1);
}
}
+ if (superblock) {
+ int j;
+
+ ext2fs_mark_block_bitmap2(meta_block_map, superblock);
+ meta_blocks_count++;
+
+ /*
+ * Mark the backup superblock descriptors
+ */
+ for (j = 0; j < fs->desc_blocks; j++) {
+ ext2fs_mark_block_bitmap2(meta_block_map,
+ ext2fs_descriptor_block_loc2(fs, superblock, j));
+ }
+ meta_blocks_count += fs->desc_blocks;
+ }
+
mark_table_blocks(fs);
+ if (show_progress)
+ fprintf(stderr, "%s", _("Scanning inodes...\n"));
retval = ext2fs_open_inode_scan(fs, 0, &scan);
if (retval) {
- com_err(program_name, retval,"%s",
+ com_err(program_name, retval, "%s",
_("while opening inode scan"));
exit(1);
}
process_dir_block, &pb);
if (retval) {
com_err(program_name, retval,
- "while iterating over inode %u",
+ _("while iterating over inode %u"),
ino);
exit(1);
}
process_file_block, &pb);
if (retval) {
com_err(program_name, retval,
- "while iterating over inode %u", ino);
+ _("while iterating over inode %u"), ino);
exit(1);
}
}
if (type & E2IMAGE_QCOW2)
output_qcow2_meta_data_blocks(fs, fd);
else
- output_meta_data_blocks(fs, fd);
+ output_meta_data_blocks(fs, fd, flags);
ext2fs_free_mem(&block_buf);
ext2fs_close_inode_scan(scan);
{
errcode_t retval;
ext2_filsys fs;
- int open_flag = EXT2_FLAG_IMAGE_FILE | EXT2_FLAG_64BITS;
+ int open_flag = EXT2_FLAG_IMAGE_FILE | EXT2_FLAG_64BITS |
+ EXT2_FLAG_IGNORE_CSUM_ERRORS;
int fd = 0;
io_manager io_ptr;
io_channel io;
if (type) {
- com_err(program_name, 0, "Raw and qcow2 images cannot"
- "be installed");
+ com_err(program_name, 0, "%s",
+ _("Raw and qcow2 images cannot be installed"));
exit(1);
}
retval = ext2fs_open (image_fn, open_flag, 0, 0,
io_ptr, &fs);
if (retval) {
- com_err (program_name, retval, _("while trying to open %s"),
- image_fn);
+ com_err(program_name, retval, _("while trying to open %s"),
+ image_fn);
exit(1);
}
retval = ext2fs_read_bitmaps (fs);
if (retval) {
- com_err(program_name, retval, "error reading bitmaps");
+ com_err(program_name, retval, "%s", _("error reading bitmaps"));
exit(1);
}
retval = io_ptr->open(device, IO_FLAG_RW, &io);
if (retval) {
- com_err(device, 0, "while opening device file");
+ com_err(device, 0, "%s", _("while opening device file"));
exit(1);
}
ext2fs_rewrite_to_io(fs, io);
- if (ext2fs_llseek(fd, fs->image_header->offset_inode, SEEK_SET) < 0) {
- perror("ext2fs_llseek");
- exit(1);
- }
+ seek_set(fd, ext2fs_le32_to_cpu(fs->image_header->offset_inode));
retval = ext2fs_image_inode_read(fs, fd, 0);
if (retval) {
- com_err(image_fn, 0, "while restoring the image table");
+ com_err(image_fn, 0, "%s",
+ _("while restoring the image table"));
exit(1);
}
close(fd);
- ext2fs_close (fs);
+ ext2fs_close_free(&fs);
}
static struct ext2_qcow2_hdr *check_qcow2_image(int *fd, char *name)
int c;
errcode_t retval;
ext2_filsys fs;
- char *image_fn;
+ char *image_fn, offset_opt[64];
struct ext2_qcow2_hdr *header = NULL;
- int open_flag = EXT2_FLAG_64BITS;
+ int open_flag = EXT2_FLAG_64BITS | EXT2_FLAG_THREADS |
+ EXT2_FLAG_IGNORE_CSUM_ERRORS;
int img_type = 0;
int flags = 0;
int mount_flags = 0;
int fd = 0;
int ret = 0;
int ignore_rw_mount = 0;
+ int check = 0;
struct stat st;
+ blk64_t superblock = 0;
+ int blocksize = 0;
#ifdef ENABLE_NLS
setlocale(LC_MESSAGES, "");
if (argc && *argv)
program_name = *argv;
add_error_table(&et_ext2_error_table);
- while ((c = getopt(argc, argv, "rsIQafo:O:")) != EOF)
+ while ((c = getopt(argc, argv, "b:B:nrsIQafo:O:pc")) != EOF)
switch (c) {
+ case 'b':
+ superblock = strtoull(optarg, NULL, 0);
+ break;
+ case 'B':
+ blocksize = strtoul(optarg, NULL, 0);
+ break;
case 'I':
flags |= E2IMAGE_INSTALL_FLAG;
break;
case 'f':
ignore_rw_mount = 1;
break;
+ case 'n':
+ nop_flag = 1;
+ break;
case 'o':
source_offset = strtoull(optarg, NULL, 0);
break;
case 'O':
dest_offset = strtoull(optarg, NULL, 0);
break;
+ case 'p':
+ show_progress = 1;
+ break;
+ case 'c':
+ check = 1;
+ break;
default:
usage();
}
usage();
if (all_data && !img_type) {
- com_err(program_name, 0, "-a option can only be used "
- "with raw or QCOW2 images.");
+ com_err(program_name, 0, "%s", _("-a option can only be used "
+ "with raw or QCOW2 images."));
+ exit(1);
+ }
+ if (superblock && !img_type) {
+ com_err(program_name, 0, "%s", _("-b option can only be used "
+ "with raw or QCOW2 images."));
exit(1);
}
if ((source_offset || dest_offset) && img_type != E2IMAGE_RAW) {
- com_err(program_name, 0,
- "Offsets are only allowed with raw images.");
+ com_err(program_name, 0, "%s",
+ _("Offsets are only allowed with raw images."));
exit(1);
}
if (move_mode && img_type != E2IMAGE_RAW) {
- com_err(program_name, 0,
- "Move mode is only allowed with raw images.");
+ com_err(program_name, 0, "%s",
+ _("Move mode is only allowed with raw images."));
exit(1);
}
if (move_mode && !all_data) {
- com_err(program_name, 0,
- "Move mode requires all data mode.");
+ com_err(program_name, 0, "%s",
+ _("Move mode requires all data mode."));
exit(1);
}
device_name = argv[optind];
retval = ext2fs_check_if_mounted(device_name, &mount_flags);
if (retval) {
- com_err(program_name, retval, "checking if mounted");
+ com_err(program_name, retval, "%s", _("checking if mounted"));
exit(1);
}
if (img_type && !ignore_rw_mount &&
(mount_flags & EXT2_MF_MOUNTED) &&
!(mount_flags & EXT2_MF_READONLY)) {
- fprintf(stderr, "\nRunning e2image on a R/W mounted "
+ fprintf(stderr, "%s", _("\nRunning e2image on a R/W mounted "
"filesystem can result in an\n"
"inconsistent image which will not be useful "
"for debugging purposes.\n"
- "Use -f option if you really want to do that.\n");
+ "Use -f option if you really want to do that.\n"));
exit(1);
}
goto skip_device;
}
}
- char *options;
- asprintf (&options, "offset=%llu", source_offset);
- retval = ext2fs_open2 (device_name, options, open_flag, 0, 0,
- unix_io_manager, &fs);
- free (options);
+ sprintf(offset_opt, "offset=%llu", (unsigned long long) source_offset);
+ retval = ext2fs_open2(device_name, offset_opt, open_flag,
+ superblock, blocksize, unix_io_manager, &fs);
if (retval) {
com_err (program_name, retval, _("while trying to open %s"),
device_name);
fputs(_("Couldn't find valid filesystem superblock.\n"), stdout);
+ if (retval == EXT2_ET_BAD_MAGIC)
+ check_plausibility(device_name, CHECK_FS_EXIST, NULL);
exit(1);
}
if (strcmp(image_fn, "-") == 0)
fd = 1;
else {
- int o_flags = O_CREAT|O_WRONLY;
+ int o_flags = O_CREAT|O_RDWR;
if (img_type != E2IMAGE_RAW)
o_flags |= O_TRUNC;
+ if (access(image_fn, F_OK) != 0)
+ flags |= E2IMAGE_CHECK_ZERO_FLAG;
fd = ext2fs_open_file(image_fn, o_flags, 0600);
if (fd < 0) {
com_err(program_name, errno,
}
}
if (dest_offset)
- if (ext2fs_llseek (fd, dest_offset, SEEK_SET) < 0) {
- perror("ext2fs_llseek");
- exit(1);
- }
+ seek_set(fd, dest_offset);
if ((img_type & E2IMAGE_QCOW2) && (fd == 1)) {
- com_err(program_name, 0, "QCOW2 image can not be written to "
- "the stdout!\n");
+ com_err(program_name, 0, "%s",
+ _("QCOW2 image can not be written to the stdout!\n"));
exit(1);
}
if (fd != 1) {
if (fstat(fd, &st)) {
- com_err(program_name, 0, "Can not stat output\n");
+ com_err(program_name, 0, "%s",
+ _("Can not stat output\n"));
exit(1);
}
- if (S_ISBLK(st.st_mode))
+ if (ext2fsP_is_disk_device(st.st_mode))
output_is_blk = 1;
}
if (flags & E2IMAGE_IS_QCOW2_FLAG) {
ret = qcow2_write_raw_image(qcow2_fd, fd, header);
if (ret) {
if (ret == -QCOW_COMPRESSED)
- fprintf(stderr, "Image (%s) is compressed\n",
+ fprintf(stderr, _("Image (%s) is compressed\n"),
+ image_fn);
+ else if (ret == -QCOW_ENCRYPTED)
+ fprintf(stderr, _("Image (%s) is encrypted\n"),
image_fn);
- if (ret == -QCOW_ENCRYPTED)
- fprintf(stderr, "Image (%s) is encrypted\n",
+ else if (ret == -QCOW_CORRUPTED)
+ fprintf(stderr, _("Image (%s) is corrupted\n"),
image_fn);
- com_err(program_name, ret,
- _("while trying to convert qcow2 image"
- " (%s) into raw image (%s)"),
- device_name, image_fn);
+ else
+ com_err(program_name, ret,
+ _("while trying to convert qcow2 image"
+ " (%s) into raw image (%s)"),
+ image_fn, device_name);
+ ret = 1;
}
goto out;
}
-
+ if (check) {
+ if (img_type != E2IMAGE_RAW) {
+ fprintf(stderr, "%s", _("The -c option only supported "
+ "in raw mode\n"));
+ exit(1);
+ }
+ if (fd == 1) {
+ fprintf(stderr, "%s", _("The -c option not supported "
+ "when writing to stdout\n"));
+ exit(1);
+ }
+ retval = ext2fs_get_mem(fs->blocksize, &check_buf);
+ if (retval) {
+ com_err(program_name, retval, "%s",
+ _("while allocating check_buf"));
+ exit(1);
+ }
+ }
+ if (show_progress && (img_type != E2IMAGE_RAW)) {
+ fprintf(stderr, "%s",
+ _("The -p option only supported in raw mode\n"));
+ exit(1);
+ }
if (img_type)
- write_raw_image_file(fs, fd, img_type, flags);
+ write_raw_image_file(fs, fd, img_type, flags, superblock);
else
write_image_file(fs, fd);
- ext2fs_close (fs);
+ ext2fs_close_free(&fs);
+ if (check)
+ printf(_("%d blocks already contained the data to be copied\n"),
+ skipped_blocks);
+
out:
if (header)
free(header);