#include "smbd/globals.h"
#include "libcli/security/security.h"
#include "util_tdb.h"
-#include <ccan/hash/hash.h>
#include "lib/util/bitmap.h"
#define FILE_HANDLE_OFFSET 0x1000
goto fail;
}
+#if defined(HAVE_OFD_LOCKS)
+ fsp->fsp_flags.use_ofd_locks = true;
+ if (lp_parm_bool(SNUM(conn),
+ "smbd",
+ "force process locks",
+ false)) {
+ fsp->fsp_flags.use_ofd_locks = false;
+ }
+#endif
fsp->fh->ref_count = 1;
fsp->fh->fd = -1;
fsp->fnum = FNUM_FIELD_INVALID;
fsp->conn = conn;
+ fsp->close_write_time = make_omit_timespec();
DLIST_ADD(sconn->files, fsp);
sconn->num_files += 1;
return status;
}
+void fsp_set_gen_id(files_struct *fsp)
+{
+ static uint64_t gen_id = 1;
+
+ /*
+ * A billion of 64-bit increments per second gives us
+ * more than 500 years of runtime without wrap.
+ */
+ fsp->fh->gen_id = gen_id++;
+}
+
/****************************************************************************
Find first available file slot.
****************************************************************************/
GetTimeOfDay(&fsp->open_time);
- if (sconn->conn) {
+ if (req) {
+ struct smbXsrv_connection *xconn = req->xconn;
struct smbXsrv_open *op = NULL;
NTTIME now = timeval_to_nttime(&fsp->open_time);
- status = smbXsrv_open_create(sconn->conn,
+ status = smbXsrv_open_create(xconn,
conn->session_info,
now, &op);
if (!NT_STATUS_IS_OK(status)) {
fsp->op = op;
op->compat = fsp;
fsp->fnum = op->local_id;
- fsp->fh->gen_id = smbXsrv_open_hash(op);
+ } else {
+ DEBUG(10, ("%s: req==NULL, INTERNAL_OPEN_ONLY, smbXsrv_open "
+ "allocated\n", __func__));
}
+ fsp_set_gen_id(fsp);
+
/*
* Create an smb_filename with "" for the base_name. There are very
* few NULL checks, so make sure it's initialized with something. to
* be safe until an audit can be done.
*/
- status = create_synthetic_smb_fname(fsp, "", NULL, NULL,
- &fsp->fsp_name);
- if (!NT_STATUS_IS_OK(status)) {
+ fsp->fsp_name = synthetic_smb_fname(fsp,
+ "",
+ NULL,
+ NULL,
+ 0,
+ 0);
+ if (fsp->fsp_name == NULL) {
file_free(NULL, fsp);
- return status;
+ return NT_STATUS_NO_MEMORY;
}
DEBUG(5,("allocated file structure %s (%u used)\n",
return NT_STATUS_OK;
}
-/****************************************************************************
- Close all open files for a connection.
-****************************************************************************/
-
-void file_close_conn(connection_struct *conn)
+/*
+ * Create an internal fsp for an *existing* directory.
+ *
+ * This should only be used by callers in the VFS that need to control the
+ * opening of the directory. Otherwise use open_internal_dirfsp_at().
+ */
+NTSTATUS create_internal_dirfsp_at(connection_struct *conn,
+ struct files_struct *dirfsp,
+ const struct smb_filename *smb_dname,
+ struct files_struct **_fsp)
{
- files_struct *fsp, *next;
+ struct files_struct *fsp = NULL;
+ NTSTATUS status;
- for (fsp=conn->sconn->files; fsp; fsp=next) {
- next = fsp->next;
- if (fsp->conn == conn) {
- close_file(NULL, fsp, SHUTDOWN_CLOSE);
+ SMB_ASSERT(dirfsp == dirfsp->conn->cwd_fsp);
+
+ status = file_new(NULL, conn, &fsp);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ status = fsp_set_smb_fname(fsp, smb_dname);
+ if (!NT_STATUS_IS_OK(status)) {
+ file_free(NULL, fsp);
+ return status;
+ }
+
+ if (!VALID_STAT(fsp->fsp_name->st)) {
+ status = vfs_stat_fsp(fsp);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
}
}
+
+ if (!S_ISDIR(fsp->fsp_name->st.st_ex_mode)) {
+ DBG_ERR("%s is not a directory!\n",
+ smb_fname_str_dbg(smb_dname));
+ file_free(NULL, fsp);
+ return NT_STATUS_NOT_A_DIRECTORY;
+ }
+
+ fsp->file_id = vfs_file_id_from_sbuf(conn, &fsp->fsp_name->st);
+ fsp->access_mask = FILE_LIST_DIRECTORY;
+ fsp->fsp_flags.is_directory = true;
+
+ *_fsp = fsp;
+ return NT_STATUS_OK;
+}
+
+/*
+ * Open an internal fsp for an *existing* directory.
+ */
+NTSTATUS open_internal_dirfsp_at(connection_struct *conn,
+ struct files_struct *dirfsp,
+ const struct smb_filename *smb_dname,
+ struct files_struct **_fsp)
+{
+ struct files_struct *fsp = NULL;
+ int open_flags = O_RDONLY;
+ NTSTATUS status;
+
+ SMB_ASSERT(dirfsp == dirfsp->conn->cwd_fsp);
+
+ status = create_internal_dirfsp_at(conn, dirfsp, smb_dname, &fsp);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+#ifdef O_DIRECTORY
+ open_flags |= O_DIRECTORY;
+#endif
+ status = fd_open(conn, fsp, open_flags, 0);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_INFO("Could not open fd for %s (%s)\n",
+ smb_fname_str_dbg(smb_dname),
+ nt_errstr(status));
+ file_free(NULL, fsp);
+ return status;
+ }
+
+
+ *_fsp = fsp;
+ return NT_STATUS_OK;
}
/****************************************************************************
- Close all open files for a pid and a vuid.
+ Close all open files for a connection.
****************************************************************************/
-void file_close_pid(struct smbd_server_connection *sconn, uint16 smbpid,
- uint64_t vuid)
+void file_close_conn(connection_struct *conn)
{
files_struct *fsp, *next;
- for (fsp=sconn->files;fsp;fsp=next) {
+ for (fsp=conn->sconn->files; fsp; fsp=next) {
next = fsp->next;
- if ((fsp->file_pid == smbpid) && (fsp->vuid == vuid)) {
- close_file(NULL, fsp, SHUTDOWN_CLOSE);
+ if (fsp->conn != conn) {
+ continue;
+ }
+ if (fsp->op != NULL && fsp->op->global->durable) {
+ /*
+ * A tree disconnect closes a durable handle
+ */
+ fsp->op->global->durable = false;
}
+ close_file(NULL, fsp, SHUTDOWN_CLOSE);
}
}
}
/* Paranoia check. */
if ((fsp->fh->fd == -1) &&
- (fsp->oplock_type != NO_OPLOCK) &&
- (fsp->oplock_type != FAKE_LEVEL_II_OPLOCK)) {
+ (fsp->oplock_type != NO_OPLOCK &&
+ fsp->oplock_type != LEASE_OPLOCK)) {
+ struct file_id_buf idbuf;
DEBUG(0,("file_find_dif: file %s file_id = "
"%s, gen = %u oplock_type = %u is a "
"stat open with oplock type !\n",
fsp_str_dbg(fsp),
- file_id_string_tos(&fsp->file_id),
+ file_id_str_buf(fsp->file_id, &idbuf),
(unsigned int)fsp->fh->gen_id,
(unsigned int)fsp->oplock_type ));
smb_panic("file_find_dif");
return NULL;
}
+struct files_struct *file_find_one_fsp_from_lease_key(
+ struct smbd_server_connection *sconn,
+ const struct smb2_lease_key *lease_key)
+{
+ struct files_struct *fsp;
+
+ for (fsp = sconn->files; fsp; fsp=fsp->next) {
+ if ((fsp->lease != NULL) &&
+ (fsp->lease->lease.lease_key.data[0] ==
+ lease_key->data[0]) &&
+ (fsp->lease->lease.lease_key.data[1] ==
+ lease_key->data[1])) {
+ return fsp;
+ }
+ }
+ return NULL;
+}
+
/****************************************************************************
Find any fsp open with a pathname below that of an already open path.
****************************************************************************/
return false;
}
-/****************************************************************************
- Sync open files on a connection.
-****************************************************************************/
-
-void file_sync_all(connection_struct *conn)
-{
- files_struct *fsp, *next;
-
- for (fsp=conn->sconn->files; fsp; fsp=next) {
- next=fsp->next;
- if ((conn == fsp->conn) && (fsp->fh->fd != -1)) {
- sync_file(conn, fsp, True /* write through */);
- }
- }
-}
-
/****************************************************************************
Free up a fsp.
****************************************************************************/
{
struct smbd_server_connection *sconn = fsp->conn->sconn;
+ if (fsp == sconn->fsp_fi_cache.fsp) {
+ ZERO_STRUCT(sconn->fsp_fi_cache);
+ }
+
DLIST_REMOVE(sconn->files, fsp);
SMB_ASSERT(sconn->num_files > 0);
sconn->num_files--;
fsp->fh->ref_count--;
}
+ if (fsp->lease != NULL) {
+ if (fsp->lease->ref_count == 1) {
+ TALLOC_FREE(fsp->lease);
+ } else {
+ fsp->lease->ref_count--;
+ }
+ }
+
fsp->conn->num_files_open--;
/* this is paranoia, just in case someone tries to reuse the
uint64_t fnum = fsp->fnum;
if (fsp->notify) {
- struct notify_context *notify_ctx =
- fsp->conn->sconn->notify_ctx;
- notify_remove(notify_ctx, fsp);
+ size_t len = fsp_fullbasepath(fsp, NULL, 0);
+ char fullpath[len+1];
+
+ fsp_fullbasepath(fsp, fullpath, sizeof(fullpath));
+
+ /*
+ * Avoid /. at the end of the path name. notify can't
+ * deal with it.
+ */
+ if (len > 1 && fullpath[len-1] == '.' &&
+ fullpath[len-2] == '/') {
+ fullpath[len-2] = '\0';
+ }
+
+ notify_remove(fsp->conn->sconn->notify_ctx, fsp, fullpath);
TALLOC_FREE(fsp->notify);
}
* Clear all possible chained fsp
* pointers in the SMB2 request queue.
*/
- if (req != NULL && req->smb2req) {
- remove_smb2_chained_fsp(fsp);
- }
-
- /* Closing a file can invalidate the positive cache. */
- if (fsp == sconn->fsp_fi_cache.fsp) {
- ZERO_STRUCT(sconn->fsp_fi_cache);
- }
+ remove_smb2_chained_fsp(fsp);
/* Drop all remaining extensions. */
vfs_remove_all_fsp_extensions(fsp);
Get an fsp from a packet given a 16 bit fnum.
****************************************************************************/
-files_struct *file_fsp(struct smb_request *req, uint16 fid)
+files_struct *file_fsp(struct smb_request *req, uint16_t fid)
{
struct smbXsrv_open *op;
NTSTATUS status;
}
if (req->chain_fsp != NULL) {
- if (req->chain_fsp->deferred_close) {
+ if (req->chain_fsp->fsp_flags.closing) {
return NULL;
}
return req->chain_fsp;
}
- if (req->sconn->conn == NULL) {
+ if (req->xconn == NULL) {
return NULL;
}
now = timeval_to_nttime(&req->request_time);
- status = smb1srv_open_lookup(req->sconn->conn,
+ status = smb1srv_open_lookup(req->xconn,
fid, now, &op);
if (!NT_STATUS_IS_OK(status)) {
return NULL;
return NULL;
}
- if (fsp->deferred_close) {
+ if (fsp->fsp_flags.closing) {
return NULL;
}
return fsp;
}
-struct files_struct *file_fsp_smb2(struct smbd_smb2_request *smb2req,
- uint64_t persistent_id,
- uint64_t volatile_id)
+struct files_struct *file_fsp_get(struct smbd_smb2_request *smb2req,
+ uint64_t persistent_id,
+ uint64_t volatile_id)
{
struct smbXsrv_open *op;
NTSTATUS status;
NTTIME now = 0;
struct files_struct *fsp;
- if (smb2req->compat_chain_fsp != NULL) {
- if (smb2req->compat_chain_fsp->deferred_close) {
- return NULL;
- }
- return smb2req->compat_chain_fsp;
- }
-
now = timeval_to_nttime(&smb2req->request_time);
- status = smb2srv_open_lookup(smb2req->sconn->conn,
+ status = smb2srv_open_lookup(smb2req->xconn,
persistent_id, volatile_id,
now, &op);
if (!NT_STATUS_IS_OK(status)) {
return NULL;
}
- if (smb2req->session->compat == NULL) {
+ if (smb2req->session->global->session_wire_id != fsp->vuid) {
return NULL;
}
- if (smb2req->session->compat->vuid != fsp->vuid) {
+ if (fsp->fsp_flags.closing) {
return NULL;
}
- if (fsp->deferred_close) {
+ return fsp;
+}
+
+struct files_struct *file_fsp_smb2(struct smbd_smb2_request *smb2req,
+ uint64_t persistent_id,
+ uint64_t volatile_id)
+{
+ struct files_struct *fsp;
+
+ if (smb2req->compat_chain_fsp != NULL) {
+ if (smb2req->compat_chain_fsp->fsp_flags.closing) {
+ return NULL;
+ }
+ return smb2req->compat_chain_fsp;
+ }
+
+ fsp = file_fsp_get(smb2req, persistent_id, volatile_id);
+ if (fsp == NULL) {
return NULL;
}
Duplicate the file handle part for a DOS or FCB open.
****************************************************************************/
-NTSTATUS dup_file_fsp(struct smb_request *req, files_struct *from,
- uint32 access_mask, uint32 share_access,
- uint32 create_options, files_struct *to)
+NTSTATUS dup_file_fsp(
+ struct smb_request *req,
+ files_struct *from,
+ uint32_t access_mask,
+ uint32_t create_options,
+ files_struct *to)
{
/* this can never happen for print files */
SMB_ASSERT(from->print_file == NULL);
to->vuid = from->vuid;
to->open_time = from->open_time;
to->access_mask = access_mask;
- to->share_access = share_access;
to->oplock_type = from->oplock_type;
- to->can_lock = from->can_lock;
- to->can_read = ((access_mask & FILE_READ_DATA) != 0);
- to->can_write =
+ to->fsp_flags.can_lock = from->fsp_flags.can_lock;
+ to->fsp_flags.can_read = ((access_mask & FILE_READ_DATA) != 0);
+ to->fsp_flags.can_write =
CAN_WRITE(from->conn) &&
((access_mask & (FILE_WRITE_DATA | FILE_APPEND_DATA)) != 0);
- to->modified = from->modified;
- to->is_directory = from->is_directory;
- to->aio_write_behind = from->aio_write_behind;
+ to->fsp_flags.modified = from->fsp_flags.modified;
+ to->fsp_flags.is_directory = from->fsp_flags.is_directory;
+ to->fsp_flags.aio_write_behind = from->fsp_flags.aio_write_behind;
return fsp_set_smb_fname(to, from->fsp_name);
}
NTSTATUS file_name_hash(connection_struct *conn,
const char *name, uint32_t *p_name_hash)
{
- char *fullpath = NULL;
+ char tmpbuf[PATH_MAX];
+ char *fullpath, *to_free;
+ ssize_t len;
+ TDB_DATA key;
/* Set the hash of the full pathname. */
- fullpath = talloc_asprintf(talloc_tos(),
- "%s/%s",
- conn->connectpath,
- name);
- if (!fullpath) {
+
+ len = full_path_tos(conn->connectpath, name, tmpbuf, sizeof(tmpbuf),
+ &fullpath, &to_free);
+ if (len == -1) {
return NT_STATUS_NO_MEMORY;
}
- *p_name_hash = hash(fullpath, talloc_get_size(fullpath), 0);
+ key = (TDB_DATA) { .dptr = (uint8_t *)fullpath, .dsize = len+1 };
+ *p_name_hash = tdb_jenkins_hash(&key);
DEBUG(10,("file_name_hash: %s hash 0x%x\n",
- fullpath,
+ fullpath,
(unsigned int)*p_name_hash ));
- TALLOC_FREE(fullpath);
+ TALLOC_FREE(to_free);
return NT_STATUS_OK;
}
NTSTATUS fsp_set_smb_fname(struct files_struct *fsp,
const struct smb_filename *smb_fname_in)
{
- NTSTATUS status;
struct smb_filename *smb_fname_new;
- status = copy_smb_filename(fsp, smb_fname_in, &smb_fname_new);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
+ smb_fname_new = cp_smb_filename(fsp, smb_fname_in);
+ if (smb_fname_new == NULL) {
+ return NT_STATUS_NO_MEMORY;
}
TALLOC_FREE(fsp->fsp_name);
smb_fname_str_dbg(fsp->fsp_name),
&fsp->name_hash);
}
+
+size_t fsp_fullbasepath(struct files_struct *fsp, char *buf, size_t buflen)
+{
+ int len = 0;
+ char tmp_buf[1] = {'\0'};
+
+ /*
+ * Don't pass NULL buffer to snprintf (to satisfy static checker)
+ * Some callers will call this function with NULL for buf and
+ * 0 for buflen in order to get length of fullbasepatch (without
+ * needing to allocate or write to buf)
+ */
+ if (buf == NULL) {
+ buf = tmp_buf;
+ }
+
+ len = snprintf(buf, buflen, "%s/%s", fsp->conn->connectpath,
+ fsp->fsp_name->base_name);
+ SMB_ASSERT(len>0);
+
+ return len;
+}
git.samba.org / amitay / samba.git / blobdiff