void do_rm_xattr(int argc, char **argv)
{
ext2_ino_t ino;
struct ext2_xattr_handle *h;
int i;
errcode_t err;
if (argc < 3) {
printf("%s: Usage: %s <file> <attrs>...\n", argv[0], argv[0]);
return;
}
if (check_fs_open(argv[0]))
return;
if (check_fs_read_write(argv[0]))
return;
if (check_fs_bitmaps(argv[0]))
return;
ino = string_to_inode(argv[1]);
if (!ino)
return;
err = ext2fs_xattrs_open(current_fs, ino, &h);
if (err)
return;
err = ext2fs_xattrs_read(h);
if (err)
goto out;
for (i = 2; i < argc; i++) {
size_t buflen;
char *buf;
err = ext2fs_xattr_remove(h, argv[i]);
if (err)
goto out;
}
err = ext2fs_xattrs_write(h);
if (err)
goto out;
out:
ext2fs_xattrs_close(&h);
if (err)
com_err(argv[0], err, "while removing extended attribute");
}
/*
* This is a common helper function used by the command processing
* routines
*/
int common_args_process(int argc, char *argv[], int min_argc, int max_argc,
const char *cmd, const char *usage, int flags)
{
if (argc < min_argc || argc > max_argc) {
com_err(argv[0], 0, "Usage: %s %s", cmd, usage);
return 1;
}
if (flags & CHECK_FS_NOTOPEN) {
if (check_fs_not_open(argv[0]))
return 1;
} else {
if (check_fs_open(argv[0]))
return 1;
}
if ((flags & CHECK_FS_RW) && check_fs_read_write(argv[0]))
return 1;
if ((flags & CHECK_FS_BITMAPS) && check_fs_bitmaps(argv[0]))
return 1;
return 0;
}
void do_journal_run(int argc, char *argv[])
{
errcode_t err;
if (check_fs_open(argv[0]))
return;
if (check_fs_read_write(argv[0]))
return;
if (check_fs_bitmaps(argv[0]))
return;
if (current_journal) {
printf("Please close the journal before recovering it.\n");
return;
}
err = ext2fs_run_ext3_journal(¤t_fs);
if (err)
com_err("journal_run", err, "while recovering journal");
else {
current_fs->super->s_feature_incompat &=
~EXT3_FEATURE_INCOMPAT_RECOVER;
ext2fs_mark_super_dirty(current_fs);
}
}
void do_set_xattr(int argc, char **argv)
{
ext2_ino_t ino;
struct ext2_xattr_handle *h;
FILE *fp = NULL;
char *buf = NULL;
size_t buflen;
unsigned int handle_flags = 0;
int i;
errcode_t err;
reset_getopt();
while ((i = getopt(argc, argv, "f:r")) != -1) {
switch (i) {
case 'f':
if (fp)
fclose(fp);
fp = fopen(optarg, "r");
if (fp == NULL) {
perror(optarg);
return;
}
break;
case 'r':
handle_flags |= XATTR_HANDLE_FLAG_RAW;
break;
default:
goto print_usage;
}
}
if (!(fp && optind == argc - 2) && !(!fp && optind == argc - 3)) {
print_usage:
printf("Usage:\t%s [-r] <file> <attr> <value>\n", argv[0]);
printf("\t%s -f <value_file> [-r] <file> <attr>\n", argv[0]);
goto out2;
}
if (check_fs_open(argv[0]))
goto out2;
if (check_fs_read_write(argv[0]))
goto out2;
if (check_fs_bitmaps(argv[0]))
goto out2;
ino = string_to_inode(argv[optind]);
if (!ino)
goto out2;
err = ext2fs_xattrs_open(current_fs, ino, &h);
if (err)
goto out2;
err = ext2fs_xattrs_flags(h, &handle_flags, NULL);
if (err)
goto out;
err = ext2fs_xattrs_read(h);
if (err)
goto out;
if (fp) {
err = ext2fs_get_mem(current_fs->blocksize, &buf);
if (err)
goto out;
buflen = fread(buf, 1, current_fs->blocksize, fp);
} else {
buf = argv[optind + 2];
buflen = parse_c_string(buf);
}
err = ext2fs_xattr_set(h, argv[optind + 1], buf, buflen);
out:
ext2fs_xattrs_close(&h);
if (err)
com_err(argv[0], err, "while setting extended attribute");
out2:
if (fp) {
fclose(fp);
ext2fs_free_mem(&buf);
}
}
void do_set_xattr(int argc, char **argv)
{
ext2_ino_t ino;
struct ext2_xattr_handle *h;
FILE *fp = NULL;
char *buf = NULL;
size_t buflen;
int i;
errcode_t err;
reset_getopt();
while ((i = getopt(argc, argv, "f:")) != -1) {
switch (i) {
case 'f':
fp = fopen(optarg, "r");
if (fp == NULL) {
perror(optarg);
return;
}
break;
default:
printf("%s: Usage: %s <file> <attr> [-f infile | "
"value]\n", argv[0], argv[0]);
return;
}
}
if (optind != argc - 2 && optind != argc - 3) {
printf("%s: Usage: %s <file> <attr> [-f infile | value>]\n",
argv[0], argv[0]);
return;
}
if (check_fs_open(argv[0]))
return;
if (check_fs_read_write(argv[0]))
return;
if (check_fs_bitmaps(argv[0]))
return;
ino = string_to_inode(argv[optind]);
if (!ino)
return;
err = ext2fs_xattrs_open(current_fs, ino, &h);
if (err)
return;
err = ext2fs_xattrs_read(h);
if (err)
goto out;
if (fp) {
err = ext2fs_get_mem(current_fs->blocksize, &buf);
if (err)
goto out;
buflen = fread(buf, 1, current_fs->blocksize, fp);
} else {
buf = argv[optind + 2];
buflen = strlen(argv[optind + 2]);
}
err = ext2fs_xattr_set(h, argv[optind + 1], buf, buflen);
if (err)
goto out;
err = ext2fs_xattrs_write(h);
if (err)
goto out;
out:
if (fp) {
fclose(fp);
ext2fs_free_mem(&buf);
}
ext2fs_xattrs_close(&h);
if (err)
com_err(argv[0], err, "while setting extended attribute");
}
void do_journal_open(int argc, char *argv[])
{
int opt, enable_csum = 0, csum_ver = 3;
journal_t *journal;
errcode_t err;
if (check_fs_open(argv[0]))
return;
if (check_fs_read_write(argv[0]))
return;
if (check_fs_bitmaps(argv[0]))
return;
if (current_journal) {
printf("Journal is already open.\n");
return;
}
if (!EXT2_HAS_COMPAT_FEATURE(current_fs->super,
EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
printf("Journalling is not enabled on this filesystem.\n");
return;
}
reset_getopt();
while ((opt = getopt(argc, argv, "cv:f:")) != -1) {
switch (opt) {
case 'c':
enable_csum = 1;
break;
case 'f':
if (current_fs->journal_name)
free(current_fs->journal_name);
current_fs->journal_name = strdup(optarg);
break;
case 'v':
csum_ver = atoi(optarg);
if (csum_ver != 2 && csum_ver != 3) {
printf("Unknown journal csum v%d\n", csum_ver);
csum_ver = 3;
}
break;
default:
printf("%s: [-c] [-v ver] [-f ext_jnl]\n", argv[0]);
printf("-c: Enable journal checksumming.\n");
printf("-v: Use this version checksum format.\n");
printf("-j: Load this external journal.\n");
}
}
err = ext2fs_open_journal(current_fs, ¤t_journal);
if (err) {
com_err(argv[0], err, "while opening journal");
return;
}
journal = current_journal;
dbg_printf("JOURNAL: seq=%d tailseq=%d start=%lu first=%lu "
"maxlen=%lu\n", journal->j_tail_sequence,
journal->j_transaction_sequence, journal->j_tail,
journal->j_first, journal->j_last);
update_uuid(journal);
update_64bit_flag(journal);
if (enable_csum)
update_journal_csum(journal, csum_ver);
err = journal_find_head(journal);
if (err)
com_err(argv[0], err, "while examining journal");
}
