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");
}
errcode_t ext2fs_inline_data_ea_remove(ext2_filsys fs, ext2_ino_t ino)
{
struct ext2_xattr_handle *handle;
errcode_t retval;
retval = ext2fs_xattrs_open(fs, ino, &handle);
if (retval)
return retval;
retval = ext2fs_xattrs_read(handle);
if (retval)
goto err;
retval = ext2fs_xattr_remove(handle, "system.data");
if (retval)
goto err;
retval = ext2fs_xattrs_write(handle);
err:
(void) ext2fs_xattrs_close(&handle);
return retval;
}
static errcode_t ext2fs_inline_data_ea_set(struct ext2_inline_data *data)
{
struct ext2_xattr_handle *handle;
errcode_t retval;
retval = ext2fs_xattrs_open(data->fs, data->ino, &handle);
if (retval)
return retval;
retval = ext2fs_xattrs_read(handle);
if (retval)
goto err;
retval = ext2fs_xattr_set(handle, "system.data",
data->ea_data, data->ea_size);
if (retval)
goto err;
retval = ext2fs_xattrs_write(handle);
err:
(void) ext2fs_xattrs_close(&handle);
return retval;
}
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");
}
