#include "includes.h"
-extern struct generic_mapping file_generic_mapping;
+extern const struct generic_mapping file_generic_mapping;
extern struct current_user current_user;
extern userdom_struct current_user_info;
-extern BOOL global_client_failed_oplock_break;
+extern bool global_client_failed_oplock_break;
struct deferred_open_record {
- BOOL delayed_for_oplocks;
+ bool delayed_for_oplocks;
struct file_id id;
};
Close the file associated with a fsp.
****************************************************************************/
-NTSTATUS fd_close(struct connection_struct *conn, files_struct *fsp)
+NTSTATUS fd_close(files_struct *fsp)
{
+ int ret;
+
if (fsp->fh->fd == -1) {
return NT_STATUS_OK; /* What we used to call a stat open. */
}
if (fsp->fh->ref_count > 1) {
return NT_STATUS_OK; /* Shared handle. Only close last reference. */
}
- return fd_close_posix(conn, fsp);
+
+ ret = SMB_VFS_CLOSE(fsp);
+ fsp->fh->fd = -1;
+ if (ret == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+ return NT_STATUS_OK;
}
/****************************************************************************
}
become_root();
- ret = SMB_VFS_FCHOWN(fsp, fsp->fh->fd, parent_st.st_uid, (gid_t)-1);
+ ret = SMB_VFS_FCHOWN(fsp, parent_st.st_uid, (gid_t)-1);
unbecome_root();
if (ret == -1) {
DEBUG(0,("change_file_owner_to_parent: failed to fchown "
(unsigned int)parent_st.st_uid ));
}
-static void change_dir_owner_to_parent(connection_struct *conn,
+static NTSTATUS change_dir_owner_to_parent(connection_struct *conn,
const char *inherit_from_dir,
const char *fname,
SMB_STRUCT_STAT *psbuf)
{
- pstring saved_dir;
+ char *saved_dir = NULL;
SMB_STRUCT_STAT sbuf;
SMB_STRUCT_STAT parent_st;
+ TALLOC_CTX *ctx = talloc_tos();
+ NTSTATUS status = NT_STATUS_OK;
int ret;
ret = SMB_VFS_STAT(conn, inherit_from_dir, &parent_st);
if (ret == -1) {
+ status = map_nt_error_from_unix(errno);
DEBUG(0,("change_dir_owner_to_parent: failed to stat parent "
"directory %s. Error was %s\n",
inherit_from_dir, strerror(errno) ));
- return;
+ return status;
}
/* We've already done an lstat into psbuf, and we know it's a
should work on any UNIX (thanks tridge :-). JRA.
*/
- if (!vfs_GetWd(conn,saved_dir)) {
+ saved_dir = vfs_GetWd(ctx,conn);
+ if (!saved_dir) {
+ status = map_nt_error_from_unix(errno);
DEBUG(0,("change_dir_owner_to_parent: failed to get "
- "current working directory\n"));
- return;
+ "current working directory. Error was %s\n",
+ strerror(errno)));
+ return status;
}
/* Chdir into the new path. */
if (vfs_ChDir(conn, fname) == -1) {
+ status = map_nt_error_from_unix(errno);
DEBUG(0,("change_dir_owner_to_parent: failed to change "
"current working directory to %s. Error "
"was %s\n", fname, strerror(errno) ));
}
if (SMB_VFS_STAT(conn,".",&sbuf) == -1) {
+ status = map_nt_error_from_unix(errno);
DEBUG(0,("change_dir_owner_to_parent: failed to stat "
"directory '.' (%s) Error was %s\n",
fname, strerror(errno)));
DEBUG(0,("change_dir_owner_to_parent: "
"device/inode/mode on directory %s changed. "
"Refusing to chown !\n", fname ));
+ status = NT_STATUS_ACCESS_DENIED;
goto out;
}
ret = SMB_VFS_CHOWN(conn, ".", parent_st.st_uid, (gid_t)-1);
unbecome_root();
if (ret == -1) {
+ status = map_nt_error_from_unix(errno);
DEBUG(10,("change_dir_owner_to_parent: failed to chown "
"directory %s to parent directory uid %u. "
"Error was %s\n", fname,
out:
vfs_ChDir(conn,saved_dir);
+ return status;
}
/****************************************************************************
NTSTATUS status = NT_STATUS_OK;
int accmode = (flags & O_ACCMODE);
int local_flags = flags;
- BOOL file_existed = VALID_STAT(*psbuf);
+ bool file_existed = VALID_STAT(*psbuf);
fsp->fh->fd = -1;
errno = EPERM;
if (fsp->fh->fd == -1) {
ret = SMB_VFS_STAT(conn, path, psbuf);
} else {
- ret = SMB_VFS_FSTAT(fsp,fsp->fh->fd,psbuf);
+ ret = SMB_VFS_FSTAT(fsp, psbuf);
/* If we have an fd, this stat should succeed. */
if (ret == -1) {
DEBUG(0,("Error doing fstat on open file %s "
/* For a non-io open, this stat failing means file not found. JRA */
if (ret == -1) {
status = map_nt_error_from_unix(errno);
- fd_close(conn, fsp);
+ fd_close(fsp);
return status;
}
}
*/
if(S_ISDIR(psbuf->st_mode)) {
- fd_close(conn, fsp);
+ fd_close(fsp);
errno = EISDIR;
return NT_STATUS_FILE_IS_A_DIRECTORY;
}
fsp->sent_oplock_break = NO_BREAK_SENT;
fsp->is_directory = False;
fsp->is_stat = False;
+ if (conn->aio_write_behind_list &&
+ is_in_path(path, conn->aio_write_behind_list, conn->case_sensitive)) {
+ fsp->aio_write_behind = True;
+ }
string_set(&fsp->fsp_name, path);
fsp->wcp = NULL; /* Write cache pointer. */
Return True if the filename is one of the special executable types.
********************************************************************/
-static BOOL is_executable(const char *fname)
+static bool is_executable(const char *fname)
{
if ((fname = strrchr_m(fname,'.'))) {
if (strequal(fname,".com") ||
Returns True if conflict, False if not.
****************************************************************************/
-static BOOL share_conflict(struct share_mode_entry *entry,
+static bool share_conflict(struct share_mode_entry *entry,
uint32 access_mask,
uint32 share_access)
{
if (is_deferred_open_entry(share_entry) &&
!open_was_deferred(share_entry->op_mid)) {
- pstring str;
- pstr_sprintf(str, "Got a deferred entry without a request: "
- "PANIC: %s\n", share_mode_str(num, share_entry));
+ char *str = talloc_asprintf(talloc_tos(),
+ "Got a deferred entry without a request: "
+ "PANIC: %s\n",
+ share_mode_str(talloc_tos(), num, share_entry));
smb_panic(str);
}
share_entry->share_file_id);
if (!fsp) {
DEBUG(0,("validate_my_share_entries: PANIC : %s\n",
- share_mode_str(num, share_entry) ));
+ share_mode_str(talloc_tos(), num, share_entry) ));
smb_panic("validate_my_share_entries: Cannot match a "
"share entry with an open file\n");
}
panic:
{
- pstring str;
+ char *str;
DEBUG(0,("validate_my_share_entries: PANIC : %s\n",
- share_mode_str(num, share_entry) ));
- slprintf(str, sizeof(str)-1, "validate_my_share_entries: "
- "file %s, oplock_type = 0x%x, op_type = 0x%x\n",
+ share_mode_str(talloc_tos(), num, share_entry) ));
+ str = talloc_asprintf(talloc_tos(),
+ "validate_my_share_entries: "
+ "file %s, oplock_type = 0x%x, op_type = 0x%x\n",
fsp->fsp_name, (unsigned int)fsp->oplock_type,
(unsigned int)share_entry->op_type );
smb_panic(str);
}
#endif
-static BOOL is_stat_open(uint32 access_mask)
+static bool is_stat_open(uint32 access_mask)
{
return (access_mask &&
((access_mask & ~(SYNCHRONIZE_ACCESS| FILE_READ_ATTRIBUTES|
uint32 access_mask,
uint32 share_access,
uint32 create_options,
- BOOL *file_existed)
+ bool *file_existed)
{
int i;
}
*file_existed = True;
-
- if (is_stat_open(access_mask)) {
- /* Stat open that doesn't trigger oplock breaks or share mode
- * checks... ! JRA. */
- return NT_STATUS_OK;
- }
/* A delete on close prohibits everything */
return NT_STATUS_DELETE_PENDING;
}
+ if (is_stat_open(access_mask)) {
+ /* Stat open that doesn't trigger oplock breaks or share mode
+ * checks... ! JRA. */
+ return NT_STATUS_OK;
+ }
+
/*
* Check if the share modes will give us access.
*/
return NT_STATUS_OK;
}
-static BOOL is_delete_request(files_struct *fsp) {
+static bool is_delete_request(files_struct *fsp) {
return ((fsp->access_mask == DELETE_ACCESS) &&
(fsp->oplock_type == NO_OPLOCK));
}
* 3) Only level2 around: Grant level2 and do nothing else.
*/
-static BOOL delay_for_oplocks(struct share_mode_lock *lck,
+static bool delay_for_oplocks(struct share_mode_lock *lck,
files_struct *fsp,
uint16 mid,
int pass_number,
{
int i;
struct share_mode_entry *exclusive = NULL;
- BOOL valid_entry = False;
- BOOL delay_it = False;
- BOOL have_level2 = False;
+ bool valid_entry = False;
+ bool delay_it = False;
+ bool have_level2 = False;
NTSTATUS status;
char msg[MSG_SMB_SHARE_MODE_ENTRY_SIZE];
return True;
}
-static BOOL request_timed_out(struct timeval request_time,
+static bool request_timed_out(struct timeval request_time,
struct timeval timeout)
{
struct timeval now, end_time;
On overwrite open ensure that the attributes match.
****************************************************************************/
-static BOOL open_match_attributes(connection_struct *conn,
+static bool open_match_attributes(connection_struct *conn,
const char *path,
uint32 old_dos_attr,
uint32 new_dos_attr,
Open a file with a share mode - old openX method - map into NTCreate.
****************************************************************************/
-BOOL map_open_params_to_ntcreate(const char *fname, int deny_mode, int open_func,
+bool map_open_params_to_ntcreate(const char *fname, int deny_mode, int open_func,
uint32 *paccess_mask,
uint32 *pshare_mode,
uint32 *pcreate_disposition,
{
int flags=0;
int flags2=0;
- BOOL file_existed = VALID_STAT(*psbuf);
- BOOL def_acl = False;
- BOOL posix_open = False;
- BOOL new_file_created = False;
+ bool file_existed = VALID_STAT(*psbuf);
+ bool def_acl = False;
+ bool posix_open = False;
+ bool new_file_created = False;
struct file_id id;
NTSTATUS fsp_open = NT_STATUS_ACCESS_DENIED;
files_struct *fsp = NULL;
request_time = pml->request_time;
/* Remove the deferred open entry under lock. */
- lck = get_share_mode_lock(NULL, state->id, NULL, NULL);
+ lck = get_share_mode_lock(talloc_tos(), state->id, NULL, NULL,
+ NULL);
if (lck == NULL) {
DEBUG(0, ("could not get share mode lock\n"));
} else {
se_map_generic(&access_mask, &file_generic_mapping);
open_access_mask = access_mask;
- if (flags2 & O_TRUNC) {
+ if ((flags2 & O_TRUNC) || (oplock_request & FORCE_OPLOCK_BREAK_TO_NONE)) {
open_access_mask |= FILE_WRITE_DATA; /* This will cause oplock breaks. */
}
* mean the same thing under DOS and Unix.
*/
- if (access_mask & (FILE_WRITE_DATA | FILE_APPEND_DATA)) {
+ if ((access_mask & (FILE_WRITE_DATA | FILE_APPEND_DATA)) ||
+ (oplock_request & FORCE_OPLOCK_BREAK_TO_NONE)) {
/* DENY_DOS opens are always underlying read-write on the
file handle, no matter what the requested access mask
says. */
}
#endif /* O_SYNC */
- if (posix_open & (access_mask & FILE_APPEND_DATA)) {
+ if (posix_open && (access_mask & FILE_APPEND_DATA)) {
flags2 |= O_APPEND;
}
}
if (file_existed) {
+ struct timespec old_write_time = get_mtimespec(psbuf);
id = vfs_file_id_from_sbuf(conn, psbuf);
- lck = get_share_mode_lock(NULL, id,
+ lck = get_share_mode_lock(talloc_tos(), id,
conn->connectpath,
- fname);
+ fname, &old_write_time);
if (lck == NULL) {
file_free(fsp);
if (!NT_STATUS_IS_OK(status)) {
uint32 can_access_mask;
- BOOL can_access = True;
+ bool can_access = True;
SMB_ASSERT(NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION));
}
if (!file_existed) {
-
+ struct timespec old_write_time = get_mtimespec(psbuf);
/*
* Deal with the race condition where two smbd's detect the
* file doesn't exist and do the create at the same time. One
id = fsp->file_id;
- lck = get_share_mode_lock(NULL, id,
+ lck = get_share_mode_lock(talloc_tos(), id,
conn->connectpath,
- fname);
+ fname, &old_write_time);
if (lck == NULL) {
DEBUG(0, ("open_file_ntcreate: Could not get share "
"mode lock for %s\n", fname));
- fd_close(conn, fsp);
+ fd_close(fsp);
file_free(fsp);
return NT_STATUS_SHARING_VIOLATION;
}
oplock_request)) {
schedule_defer_open(lck, request_time, req);
TALLOC_FREE(lck);
- fd_close(conn, fsp);
+ fd_close(fsp);
file_free(fsp);
return NT_STATUS_SHARING_VIOLATION;
}
oplock_request)) {
schedule_defer_open(lck, request_time, req);
TALLOC_FREE(lck);
- fd_close(conn, fsp);
+ fd_close(fsp);
file_free(fsp);
return NT_STATUS_SHARING_VIOLATION;
}
if (!NT_STATUS_IS_OK(status)) {
struct deferred_open_record state;
- fd_close(conn, fsp);
+ fd_close(fsp);
file_free(fsp);
state.delayed_for_oplocks = False;
the kernel refuses the operations then the kernel is wrong.
note that GPFS supports it as well - jmcd */
- ret_flock = SMB_VFS_KERNEL_FLOCK(fsp, fsp->fh->fd, share_access);
- if(ret_flock == -1 ){
+ if (fsp->fh->fd != -1) {
+ ret_flock = SMB_VFS_KERNEL_FLOCK(fsp, share_access);
+ if(ret_flock == -1 ){
- TALLOC_FREE(lck);
- fd_close(conn, fsp);
- file_free(fsp);
-
- return NT_STATUS_SHARING_VIOLATION;
+ TALLOC_FREE(lck);
+ fd_close(fsp);
+ file_free(fsp);
+
+ return NT_STATUS_SHARING_VIOLATION;
+ }
}
/*
* We are modifing the file after open - update the stat
* struct..
*/
- if ((SMB_VFS_FTRUNCATE(fsp,fsp->fh->fd,0) == -1) ||
- (SMB_VFS_FSTAT(fsp,fsp->fh->fd,psbuf)==-1)) {
+ if ((SMB_VFS_FTRUNCATE(fsp, 0) == -1) ||
+ (SMB_VFS_FSTAT(fsp, psbuf)==-1)) {
status = map_nt_error_from_unix(errno);
TALLOC_FREE(lck);
- fd_close(conn,fsp);
+ fd_close(fsp);
file_free(fsp);
return status;
}
set_share_mode(lck, fsp, current_user.ut.uid, 0, fsp->oplock_type, new_file_created);
/* Handle strange delete on close create semantics. */
- if ((create_options & FILE_DELETE_ON_CLOSE) && can_set_initial_delete_on_close(lck)) {
+ if ((create_options & FILE_DELETE_ON_CLOSE)
+ && (is_ntfs_stream_name(fname)
+ || can_set_initial_delete_on_close(lck))) {
status = can_set_delete_on_close(fsp, True, new_dos_attributes);
if (!NT_STATUS_IS_OK(status)) {
/* Remember to delete the mode we just added. */
del_share_mode(lck, fsp);
TALLOC_FREE(lck);
- fd_close(conn,fsp);
+ fd_close(fsp);
file_free(fsp);
return status;
}
if (lp_map_archive(SNUM(conn)) ||
lp_store_dos_attributes(SNUM(conn))) {
if (!posix_open) {
- file_set_dosmode(conn, fname,
- new_dos_attributes | aARCH, NULL,
- parent_dir);
+ SMB_STRUCT_STAT tmp_sbuf;
+ SET_STAT_INVALID(tmp_sbuf);
+ if (file_set_dosmode(
+ conn, fname,
+ new_dos_attributes | aARCH,
+ &tmp_sbuf, parent_dir,
+ true) == 0) {
+ unx_mode = tmp_sbuf.st_mode;
+ }
}
}
}
int saved_errno = errno; /* We might get ENOSYS in the next
* call.. */
- if (SMB_VFS_FCHMOD_ACL(fsp, fsp->fh->fd, unx_mode) == -1 &&
+ if (SMB_VFS_FCHMOD_ACL(fsp, unx_mode) == -1 &&
errno == ENOSYS) {
errno = saved_errno; /* Ignore ENOSYS */
}
{
int saved_errno = errno; /* We might get ENOSYS in the
* next call.. */
- ret = SMB_VFS_FCHMOD_ACL(fsp, fsp->fh->fd,
- new_unx_mode);
+ ret = SMB_VFS_FCHMOD_ACL(fsp, new_unx_mode);
if (ret == -1 && errno == ENOSYS) {
errno = saved_errno; /* Ignore ENOSYS */
}
if ((ret == -1) &&
- (SMB_VFS_FCHMOD(fsp, fsp->fh->fd, new_unx_mode) == -1))
+ (SMB_VFS_FCHMOD(fsp, new_unx_mode) == -1))
DEBUG(5, ("open_file_ntcreate: failed to reset "
"attributes of file %s to 0%o\n",
fname, (unsigned int)new_unx_mode));
NTSTATUS close_file_fchmod(files_struct *fsp)
{
- NTSTATUS status = fd_close(fsp->conn, fsp);
+ NTSTATUS status = fd_close(fsp);
file_free(fsp);
return status;
}
char *parent_dir;
const char *dirname;
NTSTATUS status;
+ bool posix_open = false;
if(!CAN_WRITE(conn)) {
DEBUG(5,("mkdir_internal: failing create on read-only share "
}
if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
+ posix_open = true;
mode = (mode_t)(file_attributes & ~FILE_FLAG_POSIX_SEMANTICS);
} else {
mode = unix_mode(conn, aDIR, name, parent_dir);
return NT_STATUS_ACCESS_DENIED;
}
+ if (lp_store_dos_attributes(SNUM(conn))) {
+ if (!posix_open) {
+ file_set_dosmode(conn, name,
+ file_attributes | aDIR, NULL,
+ parent_dir,
+ true);
+ }
+ }
+
if (lp_inherit_perms(SNUM(conn))) {
inherit_access_acl(conn, parent_dir, name, mode);
}
files_struct **result)
{
files_struct *fsp = NULL;
- BOOL dir_existed = VALID_STAT(*psbuf) ? True : False;
+ bool dir_existed = VALID_STAT(*psbuf) ? True : False;
struct share_mode_lock *lck = NULL;
NTSTATUS status;
+ struct timespec mtimespec;
int info = 0;
DEBUG(5,("open_directory: opening directory %s, access_mask = 0x%x, "
(unsigned int)create_disposition,
(unsigned int)file_attributes));
- if (is_ntfs_stream_name(fname)) {
- DEBUG(0,("open_directory: %s is a stream name!\n", fname ));
+ if (!(file_attributes & FILE_FLAG_POSIX_SEMANTICS) && is_ntfs_stream_name(fname)) {
+ DEBUG(2, ("open_directory: %s is a stream name!\n", fname));
return NT_STATUS_NOT_A_DIRECTORY;
}
string_set(&fsp->fsp_name,fname);
- lck = get_share_mode_lock(NULL, fsp->file_id,
+ mtimespec = get_mtimespec(psbuf);
+
+ lck = get_share_mode_lock(talloc_tos(), fsp->file_id,
conn->connectpath,
- fname);
+ fname, &mtimespec);
if (lck == NULL) {
DEBUG(0, ("open_directory: Could not get share mode lock for %s\n", fname));
return NT_STATUS_OK;
}
-NTSTATUS create_directory(connection_struct *conn, const char *directory)
+NTSTATUS create_directory(connection_struct *conn, struct smb_request *req, const char *directory)
{
NTSTATUS status;
SMB_STRUCT_STAT sbuf;
SET_STAT_INVALID(sbuf);
- status = open_directory(conn, NULL, directory, &sbuf,
+ status = open_directory(conn, req, directory, &sbuf,
FILE_READ_ATTRIBUTES, /* Just a stat open */
FILE_SHARE_NONE, /* Ignored for stat opens */
FILE_CREATE,
}
}
}
+
+struct case_semantics_state {
+ connection_struct *conn;
+ bool case_sensitive;
+ bool case_preserve;
+ bool short_case_preserve;
+};
+
+/****************************************************************************
+ Restore case semantics.
+****************************************************************************/
+static int restore_case_semantics(struct case_semantics_state *state)
+{
+ state->conn->case_sensitive = state->case_sensitive;
+ state->conn->case_preserve = state->case_preserve;
+ state->conn->short_case_preserve = state->short_case_preserve;
+ return 0;
+}
+
+/****************************************************************************
+ Save case semantics.
+****************************************************************************/
+static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
+ connection_struct *conn)
+{
+ struct case_semantics_state *result;
+
+ if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
+ DEBUG(0, ("talloc failed\n"));
+ return NULL;
+ }
+
+ result->conn = conn;
+ result->case_sensitive = conn->case_sensitive;
+ result->case_preserve = conn->case_preserve;
+ result->short_case_preserve = conn->short_case_preserve;
+
+ /* Set to POSIX. */
+ conn->case_sensitive = True;
+ conn->case_preserve = True;
+ conn->short_case_preserve = True;
+
+ talloc_set_destructor(result, restore_case_semantics);
+
+ return result;
+}
+
+/*
+ * If a main file is opened for delete, all streams need to be checked for
+ * !FILE_SHARE_DELETE. Do this by opening with DELETE_ACCESS.
+ * If that works, delete them all by setting the delete on close and close.
+ */
+
+static NTSTATUS open_streams_for_delete(connection_struct *conn,
+ const char *fname)
+{
+ struct stream_struct *stream_info;
+ files_struct **streams;
+ int i;
+ unsigned int num_streams;
+ TALLOC_CTX *frame = talloc_stackframe();
+ NTSTATUS status;
+
+ status = SMB_VFS_STREAMINFO(conn, NULL, fname, talloc_tos(),
+ &num_streams, &stream_info);
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_IMPLEMENTED)
+ || NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
+ DEBUG(10, ("no streams around\n"));
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("SMB_VFS_STREAMINFO failed: %s\n",
+ nt_errstr(status)));
+ goto fail;
+ }
+
+ DEBUG(10, ("open_streams_for_delete found %d streams\n",
+ num_streams));
+
+ if (num_streams == 0) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+ }
+
+ streams = TALLOC_ARRAY(talloc_tos(), files_struct *, num_streams);
+ if (streams == NULL) {
+ DEBUG(0, ("talloc failed\n"));
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+
+ for (i=0; i<num_streams; i++) {
+ char *streamname;
+
+ if (strequal(stream_info[i].name, "::$DATA")) {
+ streams[i] = NULL;
+ continue;
+ }
+
+ streamname = talloc_asprintf(talloc_tos(), "%s%s", fname,
+ stream_info[i].name);
+
+ if (streamname == NULL) {
+ DEBUG(0, ("talloc_aprintf failed\n"));
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+
+ status = create_file_unixpath
+ (conn, /* conn */
+ NULL, /* req */
+ streamname, /* fname */
+ DELETE_ACCESS, /* access_mask */
+ FILE_SHARE_READ | FILE_SHARE_WRITE
+ | FILE_SHARE_DELETE, /* share_access */
+ FILE_OPEN, /* create_disposition*/
+ NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE, /* create_options */
+ FILE_ATTRIBUTE_NORMAL, /* file_attributes */
+ 0, /* oplock_request */
+ 0, /* allocation_size */
+ NULL, /* sd */
+ NULL, /* ea_list */
+ &streams[i], /* result */
+ NULL, /* pinfo */
+ NULL); /* psbuf */
+
+ TALLOC_FREE(streamname);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("Could not open stream %s: %s\n",
+ streamname, nt_errstr(status)));
+ break;
+ }
+ }
+
+ /*
+ * don't touch the variable "status" beyond this point :-)
+ */
+
+ for (i -= 1 ; i >= 0; i--) {
+ if (streams[i] == NULL) {
+ continue;
+ }
+
+ DEBUG(10, ("Closing stream # %d, %s\n", i,
+ streams[i]->fsp_name));
+ close_file(streams[i], NORMAL_CLOSE);
+ }
+
+ fail:
+ TALLOC_FREE(frame);
+ return status;
+}
+
+/*
+ * Wrapper around open_file_ntcreate and open_directory
+ */
+
+NTSTATUS create_file_unixpath(connection_struct *conn,
+ struct smb_request *req,
+ const char *fname,
+ uint32_t access_mask,
+ uint32_t share_access,
+ uint32_t create_disposition,
+ uint32_t create_options,
+ uint32_t file_attributes,
+ uint32_t oplock_request,
+ SMB_BIG_UINT allocation_size,
+ struct security_descriptor *sd,
+ struct ea_list *ea_list,
+
+ files_struct **result,
+ int *pinfo,
+ SMB_STRUCT_STAT *psbuf)
+{
+ SMB_STRUCT_STAT sbuf;
+ int info = FILE_WAS_OPENED;
+ files_struct *base_fsp = NULL;
+ files_struct *fsp = NULL;
+ NTSTATUS status;
+
+ DEBUG(10,("create_file_unixpath: access_mask = 0x%x "
+ "file_attributes = 0x%x, share_access = 0x%x, "
+ "create_disposition = 0x%x create_options = 0x%x "
+ "oplock_request = 0x%x ea_list = 0x%p, sd = 0x%p, "
+ "fname = %s\n",
+ (unsigned int)access_mask,
+ (unsigned int)file_attributes,
+ (unsigned int)share_access,
+ (unsigned int)create_disposition,
+ (unsigned int)create_options,
+ (unsigned int)oplock_request,
+ ea_list, sd, fname));
+
+ if (create_options & FILE_OPEN_BY_FILE_ID) {
+ status = NT_STATUS_NOT_SUPPORTED;
+ goto fail;
+ }
+
+ if (req == NULL) {
+ oplock_request |= INTERNAL_OPEN_ONLY;
+ }
+
+ if (psbuf != NULL) {
+ sbuf = *psbuf;
+ }
+ else {
+ if (SMB_VFS_STAT(conn, fname, &sbuf) == -1) {
+ SET_STAT_INVALID(sbuf);
+ }
+ }
+
+ if ((conn->fs_capabilities & FILE_NAMED_STREAMS)
+ && (access_mask & DELETE_ACCESS)
+ && !is_ntfs_stream_name(fname)) {
+ /*
+ * We can't open a file with DELETE access if any of the
+ * streams is open without FILE_SHARE_DELETE
+ */
+ status = open_streams_for_delete(conn, fname);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+ }
+
+ /* This is the correct thing to do (check every time) but can_delete
+ * is expensive (it may have to read the parent directory
+ * permissions). So for now we're not doing it unless we have a strong
+ * hint the client is really going to delete this file. If the client
+ * is forcing FILE_CREATE let the filesystem take care of the
+ * permissions. */
+
+ /* Setting FILE_SHARE_DELETE is the hint. */
+
+ if (lp_acl_check_permissions(SNUM(conn))
+ && (create_disposition != FILE_CREATE)
+ && (share_access & FILE_SHARE_DELETE)
+ && (access_mask & DELETE_ACCESS)
+ && (((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY)
+ && !lp_delete_readonly(SNUM(conn)))
+ || !can_delete_file_in_directory(conn, fname))) {
+ status = NT_STATUS_ACCESS_DENIED;
+ goto fail;
+ }
+
+#if 0
+ /* We need to support SeSecurityPrivilege for this. */
+ if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY) &&
+ !user_has_privileges(current_user.nt_user_token,
+ &se_security)) {
+ status = NT_STATUS_PRIVILEGE_NOT_HELD;
+ goto fail;
+ }
+#endif
+
+ if ((conn->fs_capabilities & FILE_NAMED_STREAMS)
+ && is_ntfs_stream_name(fname)
+ && (!(create_options & NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE))) {
+ char *base;
+ uint32 base_create_disposition;
+
+ if (create_options & FILE_DIRECTORY_FILE) {
+ status = NT_STATUS_NOT_A_DIRECTORY;
+ goto fail;
+ }
+
+ status = split_ntfs_stream_name(talloc_tos(), fname,
+ &base, NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("create_file_unixpath: "
+ "split_ntfs_stream_name failed: %s\n",
+ nt_errstr(status)));
+ goto fail;
+ }
+
+ SMB_ASSERT(!is_ntfs_stream_name(base)); /* paranoia.. */
+
+ switch (create_disposition) {
+ case FILE_OPEN:
+ base_create_disposition = FILE_OPEN;
+ break;
+ default:
+ base_create_disposition = FILE_OPEN_IF;
+ break;
+ }
+
+ status = create_file_unixpath(conn, NULL, base, 0,
+ FILE_SHARE_READ
+ | FILE_SHARE_WRITE
+ | FILE_SHARE_DELETE,
+ base_create_disposition,
+ 0, 0, 0, 0, NULL, NULL,
+ &base_fsp, NULL, NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("create_file_unixpath for base %s failed: "
+ "%s\n", base, nt_errstr(status)));
+ goto fail;
+ }
+ }
+
+ /*
+ * If it's a request for a directory open, deal with it separately.
+ */
+
+ if (create_options & FILE_DIRECTORY_FILE) {
+
+ if (create_options & FILE_NON_DIRECTORY_FILE) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+
+ /* Can't open a temp directory. IFS kit test. */
+ if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+
+ /*
+ * We will get a create directory here if the Win32
+ * app specified a security descriptor in the
+ * CreateDirectory() call.
+ */
+
+ oplock_request = 0;
+ status = open_directory(
+ conn, req, fname, &sbuf, access_mask, share_access,
+ create_disposition, create_options, file_attributes,
+ &info, &fsp);
+ } else {
+
+ /*
+ * Ordinary file case.
+ */
+
+ status = open_file_ntcreate(
+ conn, req, fname, &sbuf, access_mask, share_access,
+ create_disposition, create_options, file_attributes,
+ oplock_request, &info, &fsp);
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) {
+
+ /*
+ * Fail the open if it was explicitly a non-directory
+ * file.
+ */
+
+ if (create_options & FILE_NON_DIRECTORY_FILE) {
+ status = NT_STATUS_FILE_IS_A_DIRECTORY;
+ goto fail;
+ }
+
+ oplock_request = 0;
+ status = open_directory(
+ conn, req, fname, &sbuf, access_mask,
+ share_access, create_disposition,
+ create_options, file_attributes,
+ &info, &fsp);
+ }
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ /*
+ * According to the MS documentation, the only time the security
+ * descriptor is applied to the opened file is iff we *created* the
+ * file; an existing file stays the same.
+ *
+ * Also, it seems (from observation) that you can open the file with
+ * any access mask but you can still write the sd. We need to override
+ * the granted access before we call set_sd
+ * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
+ */
+
+ if ((sd != NULL) && (info == FILE_WAS_CREATED)
+ && lp_nt_acl_support(SNUM(conn))) {
+
+ uint32_t sec_info_sent = ALL_SECURITY_INFORMATION;
+ uint32_t saved_access_mask = fsp->access_mask;
+
+ if (sd->owner_sid == NULL) {
+ sec_info_sent &= ~OWNER_SECURITY_INFORMATION;
+ }
+ if (sd->group_sid == NULL) {
+ sec_info_sent &= ~GROUP_SECURITY_INFORMATION;
+ }
+ if (sd->sacl == NULL) {
+ sec_info_sent &= ~SACL_SECURITY_INFORMATION;
+ }
+ if (sd->dacl == NULL) {
+ sec_info_sent &= ~DACL_SECURITY_INFORMATION;
+ }
+
+ fsp->access_mask = FILE_GENERIC_ALL;
+
+ status = SMB_VFS_FSET_NT_ACL(fsp, sec_info_sent, sd);
+
+ fsp->access_mask = saved_access_mask;
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+ }
+
+ if ((ea_list != NULL) && (info == FILE_WAS_CREATED)) {
+ status = set_ea(conn, fsp, fname, ea_list);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+ }
+
+ if (!fsp->is_directory && S_ISDIR(sbuf.st_mode)) {
+ status = NT_STATUS_ACCESS_DENIED;
+ goto fail;
+ }
+
+ /* Save the requested allocation size. */
+ if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
+ if (allocation_size
+ && (allocation_size > sbuf.st_size)) {
+ fsp->initial_allocation_size = smb_roundup(
+ fsp->conn, allocation_size);
+ if (fsp->is_directory) {
+ /* Can't set allocation size on a directory. */
+ status = NT_STATUS_ACCESS_DENIED;
+ goto fail;
+ }
+ if (vfs_allocate_file_space(
+ fsp, fsp->initial_allocation_size) == -1) {
+ status = NT_STATUS_DISK_FULL;
+ goto fail;
+ }
+ } else {
+ fsp->initial_allocation_size = smb_roundup(
+ fsp->conn, (SMB_BIG_UINT)sbuf.st_size);
+ }
+ }
+
+ DEBUG(10, ("create_file_unixpath: info=%d\n", info));
+
+ /*
+ * Set fsp->base_fsp late enough that we can't "goto fail" anymore. In
+ * the fail: branch we call close_file(fsp, ERROR_CLOSE) which would
+ * also close fsp->base_fsp which we have to also do explicitly in
+ * this routine here, as not in all "goto fail:" we have the fsp set
+ * up already to be initialized with the base_fsp.
+ */
+
+ fsp->base_fsp = base_fsp;
+
+ *result = fsp;
+ if (pinfo != NULL) {
+ *pinfo = info;
+ }
+ if (psbuf != NULL) {
+ if ((fsp->fh == NULL) || (fsp->fh->fd == -1)) {
+ *psbuf = sbuf;
+ }
+ else {
+ SMB_VFS_FSTAT(fsp, psbuf);
+ }
+ }
+ return NT_STATUS_OK;
+
+ fail:
+ DEBUG(10, ("create_file_unixpath: %s\n", nt_errstr(status)));
+
+ if (fsp != NULL) {
+ close_file(fsp, ERROR_CLOSE);
+ fsp = NULL;
+ }
+ if (base_fsp != NULL) {
+ close_file(base_fsp, ERROR_CLOSE);
+ base_fsp = NULL;
+ }
+ return status;
+}
+
+NTSTATUS create_file(connection_struct *conn,
+ struct smb_request *req,
+ uint16_t root_dir_fid,
+ const char *fname,
+ uint32_t access_mask,
+ uint32_t share_access,
+ uint32_t create_disposition,
+ uint32_t create_options,
+ uint32_t file_attributes,
+ uint32_t oplock_request,
+ SMB_BIG_UINT allocation_size,
+ struct security_descriptor *sd,
+ struct ea_list *ea_list,
+
+ files_struct **result,
+ int *pinfo,
+ SMB_STRUCT_STAT *psbuf)
+{
+ struct case_semantics_state *case_state = NULL;
+ SMB_STRUCT_STAT sbuf;
+ int info = FILE_WAS_OPENED;
+ files_struct *fsp = NULL;
+ NTSTATUS status;
+
+ DEBUG(10,("create_file: access_mask = 0x%x "
+ "file_attributes = 0x%x, share_access = 0x%x, "
+ "create_disposition = 0x%x create_options = 0x%x "
+ "oplock_request = 0x%x "
+ "root_dir_fid = 0x%x, ea_list = 0x%p, sd = 0x%p, "
+ "fname = %s\n",
+ (unsigned int)access_mask,
+ (unsigned int)file_attributes,
+ (unsigned int)share_access,
+ (unsigned int)create_disposition,
+ (unsigned int)create_options,
+ (unsigned int)oplock_request,
+ (unsigned int)root_dir_fid,
+ ea_list, sd, fname));
+
+ /*
+ * Get the file name.
+ */
+
+ if (root_dir_fid != 0) {
+ /*
+ * This filename is relative to a directory fid.
+ */
+ char *parent_fname = NULL;
+ files_struct *dir_fsp = file_fsp(root_dir_fid);
+
+ if (dir_fsp == NULL) {
+ status = NT_STATUS_INVALID_HANDLE;
+ goto fail;
+ }
+
+ if (!dir_fsp->is_directory) {
+
+ /*
+ * Check to see if this is a mac fork of some kind.
+ */
+
+ if (is_ntfs_stream_name(fname)) {
+ status = NT_STATUS_OBJECT_PATH_NOT_FOUND;
+ goto fail;
+ }
+
+ /*
+ we need to handle the case when we get a
+ relative open relative to a file and the
+ pathname is blank - this is a reopen!
+ (hint from demyn plantenberg)
+ */
+
+ status = NT_STATUS_INVALID_HANDLE;
+ goto fail;
+ }
+
+ if (ISDOT(dir_fsp->fsp_name)) {
+ /*
+ * We're at the toplevel dir, the final file name
+ * must not contain ./, as this is filtered out
+ * normally by srvstr_get_path and unix_convert
+ * explicitly rejects paths containing ./.
+ */
+ parent_fname = talloc_strdup(talloc_tos(), "");
+ if (parent_fname == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+ } else {
+ size_t dir_name_len = strlen(dir_fsp->fsp_name);
+
+ /*
+ * Copy in the base directory name.
+ */
+
+ parent_fname = TALLOC_ARRAY(talloc_tos(), char,
+ dir_name_len+2);
+ if (parent_fname == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+ memcpy(parent_fname, dir_fsp->fsp_name,
+ dir_name_len+1);
+
+ /*
+ * Ensure it ends in a '/'.
+ * We used TALLOC_SIZE +2 to add space for the '/'.
+ */
+
+ if(dir_name_len
+ && (parent_fname[dir_name_len-1] != '\\')
+ && (parent_fname[dir_name_len-1] != '/')) {
+ parent_fname[dir_name_len] = '/';
+ parent_fname[dir_name_len+1] = '\0';
+ }
+ }
+
+ fname = talloc_asprintf(talloc_tos(), "%s%s", parent_fname,
+ fname);
+ if (fname == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+ }
+
+ /*
+ * Check to see if this is a mac fork of some kind.
+ */
+
+ if (is_ntfs_stream_name(fname)) {
+ enum FAKE_FILE_TYPE fake_file_type;
+
+ fake_file_type = is_fake_file(fname);
+
+ if (fake_file_type != FAKE_FILE_TYPE_NONE) {
+
+ /*
+ * Here we go! support for changing the disk quotas
+ * --metze
+ *
+ * We need to fake up to open this MAGIC QUOTA file
+ * and return a valid FID.
+ *
+ * w2k close this file directly after openening xp
+ * also tries a QUERY_FILE_INFO on the file and then
+ * close it
+ */
+ status = open_fake_file(conn, fake_file_type, fname,
+ access_mask, &fsp);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ ZERO_STRUCT(sbuf);
+ goto done;
+ }
+ }
+
+ if ((req != NULL) && (req->flags2 & FLAGS2_DFS_PATHNAMES)) {
+ char *resolved_fname;
+
+ status = resolve_dfspath(talloc_tos(), conn, true, fname,
+ &resolved_fname);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ /*
+ * For PATH_NOT_COVERED we had
+ * reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
+ * ERRSRV, ERRbadpath);
+ * Need to fix in callers
+ */
+ goto fail;
+ }
+ fname = resolved_fname;
+ }
+
+ /*
+ * Check if POSIX semantics are wanted.
+ */
+
+ if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
+ case_state = set_posix_case_semantics(talloc_tos(), conn);
+ file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
+ }
+
+ {
+ char *converted_fname;
+
+ SET_STAT_INVALID(sbuf);
+
+ status = unix_convert(talloc_tos(), conn, fname, False,
+ &converted_fname, NULL, &sbuf);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+ fname = converted_fname;
+ }
+
+ TALLOC_FREE(case_state);
+
+ /* All file access must go through check_name() */
+
+ status = check_name(conn, fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ status = create_file_unixpath(
+ conn, req, fname, access_mask, share_access,
+ create_disposition, create_options, file_attributes,
+ oplock_request, allocation_size, sd, ea_list,
+ &fsp, &info, &sbuf);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ done:
+ DEBUG(10, ("create_file: info=%d\n", info));
+
+ *result = fsp;
+ if (pinfo != NULL) {
+ *pinfo = info;
+ }
+ if (psbuf != NULL) {
+ *psbuf = sbuf;
+ }
+ return NT_STATUS_OK;
+
+ fail:
+ DEBUG(10, ("create_file: %s\n", nt_errstr(status)));
+
+ if (fsp != NULL) {
+ close_file(fsp, ERROR_CLOSE);
+ fsp = NULL;
+ }
+ return status;
+}
git.samba.org / samba.git / blobdiff