/**
* Create directory tree
* @param conn connection
* @param dname Directory tree to be created
* @return Returns True for success
**/
static bool recycle_create_dir(vfs_handle_struct *handle, const char *dname)
{
size_t len;
mode_t mode;
char *new_dir = NULL;
char *tmp_str = NULL;
char *token;
char *tok_str;
bool ret = False;
char *saveptr;
mode = recycle_directory_mode(handle);
tmp_str = SMB_STRDUP(dname);
ALLOC_CHECK(tmp_str, done);
tok_str = tmp_str;
len = strlen(dname)+1;
new_dir = (char *)SMB_MALLOC(len + 1);
ALLOC_CHECK(new_dir, done);
*new_dir = '\0';
if (dname[0] == '/') {
/* Absolute path. */
safe_strcat(new_dir,"/",len);
}
/* Create directory tree if neccessary */
for(token = strtok_r(tok_str, "/", &saveptr); token;
token = strtok_r(NULL, "/", &saveptr)) {
safe_strcat(new_dir, token, len);
if (recycle_directory_exist(handle, new_dir))
DEBUG(10, ("recycle: dir %s already exists\n", new_dir));
else {
DEBUG(5, ("recycle: creating new dir %s\n", new_dir));
if (SMB_VFS_NEXT_MKDIR(handle, new_dir, mode) != 0) {
DEBUG(1,("recycle: mkdir failed for %s with error: %s\n", new_dir, strerror(errno)));
ret = False;
goto done;
}
}
safe_strcat(new_dir, "/", len);
mode = recycle_subdir_mode(handle);
}
ret = True;
done:
SAFE_FREE(tmp_str);
SAFE_FREE(new_dir);
return ret;
}
/**
* Create directory tree
* @param conn connection
* @param dname Directory tree to be created
* @return Returns True for success
**/
static BOOL recycle_create_dir(vfs_handle_struct *handle, const char *dname)
{
int len;
mode_t mode;
char *new_dir = NULL;
char *tmp_str = NULL;
char *token;
char *tok_str;
BOOL ret = False;
mode = S_IRUSR | S_IWUSR | S_IXUSR;
tmp_str = SMB_STRDUP(dname);
ALLOC_CHECK(tmp_str, done);
tok_str = tmp_str;
len = strlen(dname)+1;
new_dir = (char *)SMB_MALLOC(len + 1);
ALLOC_CHECK(new_dir, done);
*new_dir = '\0';
/* Create directory tree if neccessary */
for(token = strtok(tok_str, "/"); token; token = strtok(NULL, "/")) {
safe_strcat(new_dir, token, len);
if (recycle_directory_exist(handle, new_dir))
DEBUG(10, ("recycle: dir %s already exists\n", new_dir));
else {
DEBUG(5, ("recycle: creating new dir %s\n", new_dir));
if (SMB_VFS_NEXT_MKDIR(handle, handle->conn, new_dir, mode) != 0) {
DEBUG(1,("recycle: mkdir failed for %s with error: %s\n", new_dir, strerror(errno)));
ret = False;
goto done;
}
}
safe_strcat(new_dir, "/", len);
}
ret = True;
done:
SAFE_FREE(tmp_str);
SAFE_FREE(new_dir);
return ret;
}
/**
* Check if file should be recycled
**/
static int recycle_unlink(vfs_handle_struct *handle,
const struct smb_filename *smb_fname)
{
connection_struct *conn = handle->conn;
char *path_name = NULL;
char *temp_name = NULL;
char *final_name = NULL;
struct smb_filename *smb_fname_final = NULL;
const char *base;
char *repository = NULL;
int i = 1;
SMB_OFF_T maxsize, minsize;
SMB_OFF_T file_size; /* space_avail; */
bool exist;
NTSTATUS status;
int rc = -1;
repository = talloc_sub_advanced(NULL, lp_servicename(SNUM(conn)),
conn->session_info->unix_name,
conn->connectpath,
conn->session_info->utok.gid,
conn->session_info->sanitized_username,
conn->session_info->info3->base.domain.string,
recycle_repository(handle));
ALLOC_CHECK(repository, done);
/* shouldn't we allow absolute path names here? --metze */
/* Yes :-). JRA. */
trim_char(repository, '\0', '/');
if(!repository || *(repository) == '\0') {
DEBUG(3, ("recycle: repository path not set, purging %s...\n",
smb_fname_str_dbg(smb_fname)));
rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
goto done;
}
/* we don't recycle the recycle bin... */
if (strncmp(smb_fname->base_name, repository,
strlen(repository)) == 0) {
DEBUG(3, ("recycle: File is within recycling bin, unlinking ...\n"));
rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
goto done;
}
file_size = recycle_get_file_size(handle, smb_fname);
/* it is wrong to purge filenames only because they are empty imho
* --- simo
*
if(fsize == 0) {
DEBUG(3, ("recycle: File %s is empty, purging...\n", file_name));
rc = SMB_VFS_NEXT_UNLINK(handle,file_name);
goto done;
}
*/
/* FIXME: this is wrong, we should check the whole size of the recycle bin is
* not greater then maxsize, not the size of the single file, also it is better
* to remove older files
*/
maxsize = recycle_maxsize(handle);
if(maxsize > 0 && file_size > maxsize) {
DEBUG(3, ("recycle: File %s exceeds maximum recycle size, "
"purging... \n", smb_fname_str_dbg(smb_fname)));
rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
goto done;
}
minsize = recycle_minsize(handle);
if(minsize > 0 && file_size < minsize) {
DEBUG(3, ("recycle: File %s lowers minimum recycle size, "
"purging... \n", smb_fname_str_dbg(smb_fname)));
rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
goto done;
}
/* FIXME: this is wrong: moving files with rename does not change the disk space
* allocation
*
space_avail = SMB_VFS_NEXT_DISK_FREE(handle, ".", True, &bsize, &dfree, &dsize) * 1024L;
DEBUG(5, ("space_avail = %Lu, file_size = %Lu\n", space_avail, file_size));
if(space_avail < file_size) {
DEBUG(3, ("recycle: Not enough diskspace, purging file %s\n", file_name));
rc = SMB_VFS_NEXT_UNLINK(handle, file_name);
goto done;
}
*/
/* extract filename and path */
base = strrchr(smb_fname->base_name, '/');
if (base == NULL) {
base = smb_fname->base_name;
path_name = SMB_STRDUP("/");
ALLOC_CHECK(path_name, done);
}
else {
path_name = SMB_STRDUP(smb_fname->base_name);
ALLOC_CHECK(path_name, done);
path_name[base - smb_fname->base_name] = '\0';
base++;
}
/* original filename with path */
DEBUG(10, ("recycle: fname = %s\n", smb_fname_str_dbg(smb_fname)));
/* original path */
DEBUG(10, ("recycle: fpath = %s\n", path_name));
/* filename without path */
DEBUG(10, ("recycle: base = %s\n", base));
if (matchparam(recycle_exclude(handle), base)) {
DEBUG(3, ("recycle: file %s is excluded \n", base));
rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
goto done;
}
if (matchdirparam(recycle_exclude_dir(handle), path_name)) {
DEBUG(3, ("recycle: directory %s is excluded \n", path_name));
rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
goto done;
}
if (recycle_keep_dir_tree(handle) == True) {
if (asprintf(&temp_name, "%s/%s", repository, path_name) == -1) {
ALLOC_CHECK(temp_name, done);
}
} else {
temp_name = SMB_STRDUP(repository);
}
ALLOC_CHECK(temp_name, done);
exist = recycle_directory_exist(handle, temp_name);
if (exist) {
DEBUG(10, ("recycle: Directory already exists\n"));
} else {
DEBUG(10, ("recycle: Creating directory %s\n", temp_name));
if (recycle_create_dir(handle, temp_name) == False) {
DEBUG(3, ("recycle: Could not create directory, "
"purging %s...\n",
smb_fname_str_dbg(smb_fname)));
rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
goto done;
}
}
if (asprintf(&final_name, "%s/%s", temp_name, base) == -1) {
ALLOC_CHECK(final_name, done);
}
/* Create smb_fname with final base name and orig stream name. */
status = create_synthetic_smb_fname(talloc_tos(), final_name,
smb_fname->stream_name, NULL,
&smb_fname_final);
if (!NT_STATUS_IS_OK(status)) {
rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
goto done;
}
/* new filename with path */
DEBUG(10, ("recycle: recycled file name: %s\n",
smb_fname_str_dbg(smb_fname_final)));
/* check if we should delete file from recycle bin */
if (recycle_file_exist(handle, smb_fname_final)) {
if (recycle_versions(handle) == False || matchparam(recycle_noversions(handle), base) == True) {
DEBUG(3, ("recycle: Removing old file %s from recycle "
"bin\n", smb_fname_str_dbg(smb_fname_final)));
if (SMB_VFS_NEXT_UNLINK(handle,
smb_fname_final) != 0) {
DEBUG(1, ("recycle: Error deleting old file: %s\n", strerror(errno)));
}
}
}
/* rename file we move to recycle bin */
i = 1;
while (recycle_file_exist(handle, smb_fname_final)) {
SAFE_FREE(final_name);
if (asprintf(&final_name, "%s/Copy #%d of %s", temp_name, i++, base) == -1) {
ALLOC_CHECK(final_name, done);
}
TALLOC_FREE(smb_fname_final->base_name);
smb_fname_final->base_name = talloc_strdup(smb_fname_final,
final_name);
if (smb_fname_final->base_name == NULL) {
rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
goto done;
}
}
DEBUG(10, ("recycle: Moving %s to %s\n", smb_fname_str_dbg(smb_fname),
smb_fname_str_dbg(smb_fname_final)));
rc = SMB_VFS_NEXT_RENAME(handle, smb_fname, smb_fname_final);
if (rc != 0) {
DEBUG(3, ("recycle: Move error %d (%s), purging file %s "
"(%s)\n", errno, strerror(errno),
smb_fname_str_dbg(smb_fname),
smb_fname_str_dbg(smb_fname_final)));
rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
goto done;
}
/* touch access date of moved file */
if (recycle_touch(handle) == True || recycle_touch_mtime(handle))
recycle_do_touch(handle, smb_fname_final,
recycle_touch_mtime(handle));
done:
SAFE_FREE(path_name);
SAFE_FREE(temp_name);
SAFE_FREE(final_name);
TALLOC_FREE(smb_fname_final);
TALLOC_FREE(repository);
return rc;
}
/**
* Check if file should be recycled
**/
static int recycle_unlink(vfs_handle_struct *handle, connection_struct *conn, const char *file_name)
{
char *path_name = NULL;
char *temp_name = NULL;
char *final_name = NULL;
const char *base;
char *repository = NULL;
int i = 1;
int maxsize;
SMB_OFF_T file_size; /* space_avail; */
BOOL exist;
int rc = -1;
repository = alloc_sub_conn(conn, recycle_repository(handle));
ALLOC_CHECK(repository, done);
/* shouldn't we allow absolute path names here? --metze */
trim_char(repository, '/', '/');
if(!repository || *(repository) == '\0') {
DEBUG(3, ("recycle: repository path not set, purging %s...\n", file_name));
rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
goto done;
}
/* we don't recycle the recycle bin... */
if (strncmp(file_name, repository, strlen(repository)) == 0) {
DEBUG(3, ("recycle: File is within recycling bin, unlinking ...\n"));
rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
goto done;
}
file_size = recycle_get_file_size(handle, file_name);
/* it is wrong to purge filenames only because they are empty imho
* --- simo
*
if(fsize == 0) {
DEBUG(3, ("recycle: File %s is empty, purging...\n", file_name));
rc = SMB_VFS_NEXT_UNLINK(handle,conn,file_name);
goto done;
}
*/
/* FIXME: this is wrong, we should check the hole size of the recycle bin is
* not greater then maxsize, not the size of the single file, also it is better
* to remove older files
*/
maxsize = recycle_maxsize(handle);
if(maxsize > 0 && file_size > maxsize) {
DEBUG(3, ("recycle: File %s exceeds maximum recycle size, purging... \n", file_name));
rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
goto done;
}
/* FIXME: this is wrong: moving files with rename does not change the disk space
* allocation
*
space_avail = SMB_VFS_NEXT_DISK_FREE(handle, conn, ".", True, &bsize, &dfree, &dsize) * 1024L;
DEBUG(5, ("space_avail = %Lu, file_size = %Lu\n", space_avail, file_size));
if(space_avail < file_size) {
DEBUG(3, ("recycle: Not enough diskspace, purging file %s\n", file_name));
rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
goto done;
}
*/
/* extract filename and path */
base = strrchr(file_name, '/');
if (base == NULL) {
base = file_name;
path_name = SMB_STRDUP("/");
ALLOC_CHECK(path_name, done);
}
else {
path_name = SMB_STRDUP(file_name);
ALLOC_CHECK(path_name, done);
path_name[base - file_name] = '\0';
base++;
}
DEBUG(10, ("recycle: fname = %s\n", file_name)); /* original filename with path */
DEBUG(10, ("recycle: fpath = %s\n", path_name)); /* original path */
DEBUG(10, ("recycle: base = %s\n", base)); /* filename without path */
if (matchparam(recycle_exclude(handle), base)) {
DEBUG(3, ("recycle: file %s is excluded \n", base));
rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
goto done;
}
/* FIXME: this check will fail if we have more than one level of directories,
* we shoud check for every level 1, 1/2, 1/2/3, 1/2/3/4 ....
* ---simo
*/
if (checkparam(recycle_exclude_dir(handle), path_name)) {
DEBUG(3, ("recycle: directory %s is excluded \n", path_name));
rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
goto done;
}
if (recycle_keep_dir_tree(handle) == True) {
asprintf(&temp_name, "%s/%s", repository, path_name);
} else {
temp_name = SMB_STRDUP(repository);
}
ALLOC_CHECK(temp_name, done);
exist = recycle_directory_exist(handle, temp_name);
if (exist) {
DEBUG(10, ("recycle: Directory already exists\n"));
} else {
DEBUG(10, ("recycle: Creating directory %s\n", temp_name));
if (recycle_create_dir(handle, temp_name) == False) {
DEBUG(3, ("recycle: Could not create directory, purging %s...\n", file_name));
rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
goto done;
}
}
asprintf(&final_name, "%s/%s", temp_name, base);
ALLOC_CHECK(final_name, done);
DEBUG(10, ("recycle: recycled file name: %s\n", final_name)); /* new filename with path */
/* check if we should delete file from recycle bin */
if (recycle_file_exist(handle, final_name)) {
if (recycle_versions(handle) == False || matchparam(recycle_noversions(handle), base) == True) {
DEBUG(3, ("recycle: Removing old file %s from recycle bin\n", final_name));
if (SMB_VFS_NEXT_UNLINK(handle, conn, final_name) != 0) {
DEBUG(1, ("recycle: Error deleting old file: %s\n", strerror(errno)));
}
}
}
/* rename file we move to recycle bin */
i = 1;
while (recycle_file_exist(handle, final_name)) {
SAFE_FREE(final_name);
asprintf(&final_name, "%s/Copy #%d of %s", temp_name, i++, base);
}
DEBUG(10, ("recycle: Moving %s to %s\n", file_name, final_name));
rc = SMB_VFS_NEXT_RENAME(handle, conn, file_name, final_name);
if (rc != 0) {
DEBUG(3, ("recycle: Move error %d (%s), purging file %s (%s)\n", errno, strerror(errno), file_name, final_name));
rc = SMB_VFS_NEXT_UNLINK(handle, conn, file_name);
goto done;
}
/* touch access date of moved file */
if (recycle_touch(handle) == True )
recycle_do_touch(handle, final_name);
done:
SAFE_FREE(path_name);
SAFE_FREE(temp_name);
SAFE_FREE(final_name);
SAFE_FREE(repository);
return rc;
}