Copyright (C) Andrew Tridgell 1992-1998
Copyright (C) Jeremy Allison 2001-2004
Copyright (C) Volker Lendecke 2005
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
+#include "system/filesys.h"
+#include "printing.h"
+#include "smbd/smbd.h"
#include "smbd/globals.h"
+#include "fake_file.h"
+#include "../libcli/security/security.h"
+#include "../librpc/gen_ndr/ndr_security.h"
+#include "auth.h"
+#include "messages.h"
extern const struct generic_mapping file_generic_mapping;
struct deferred_open_record {
- bool delayed_for_oplocks;
- struct file_id id;
+ bool delayed_for_oplocks;
+ struct file_id id;
};
-static NTSTATUS create_file_unixpath(connection_struct *conn,
- struct smb_request *req,
- struct smb_filename *smb_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,
- uint64_t allocation_size,
- struct security_descriptor *sd,
- struct ea_list *ea_list,
-
- files_struct **result,
- int *pinfo);
-
/****************************************************************************
SMB1 file varient of se_access_check. Never test FILE_READ_ATTRIBUTES.
****************************************************************************/
-NTSTATUS smb1_file_se_access_check(const struct security_descriptor *sd,
- const NT_USER_TOKEN *token,
- uint32_t access_desired,
- uint32_t *access_granted)
+NTSTATUS smb1_file_se_access_check(struct connection_struct *conn,
+ const struct security_descriptor *sd,
+ const struct security_token *token,
+ uint32_t access_desired,
+ uint32_t *access_granted)
{
+ *access_granted = 0;
+
+ if (get_current_uid(conn) == (uid_t)0) {
+ /* I'm sorry sir, I didn't know you were root... */
+ *access_granted = access_desired;
+ if (access_desired & SEC_FLAG_MAXIMUM_ALLOWED) {
+ *access_granted |= FILE_GENERIC_ALL;
+ }
+ return NT_STATUS_OK;
+ }
+
return se_access_check(sd,
token,
(access_desired & ~FILE_READ_ATTRIBUTES),
{
/* Check if we have rights to open. */
NTSTATUS status;
- struct security_descriptor *sd;
-
- *access_granted = 0;
-
- if (conn->server_info->utok.uid == 0 || conn->admin_user) {
- /* I'm sorry sir, I didn't know you were root... */
- *access_granted = access_mask;
- if (access_mask & SEC_FLAG_MAXIMUM_ALLOWED) {
- *access_granted |= FILE_GENERIC_ALL;
- }
- return NT_STATUS_OK;
- }
+ struct security_descriptor *sd = NULL;
status = SMB_VFS_GET_NT_ACL(conn, smb_fname->base_name,
- (OWNER_SECURITY_INFORMATION |
- GROUP_SECURITY_INFORMATION |
- DACL_SECURITY_INFORMATION),&sd);
+ (SECINFO_OWNER |
+ SECINFO_GROUP |
+ SECINFO_DACL),&sd);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("smbd_check_open_rights: Could not get acl "
"on %s: %s\n",
smb_fname_str_dbg(smb_fname),
nt_errstr(status)));
- TALLOC_FREE(sd);
return status;
}
- status = smb1_file_se_access_check(sd,
- conn->server_info->ptok,
+ status = smb1_file_se_access_check(conn,
+ sd,
+ get_current_nttok(conn),
access_mask,
access_granted);
- TALLOC_FREE(sd);
-
DEBUG(10,("smbd_check_open_rights: file %s requesting "
"0x%x returning 0x%x (%s)\n",
smb_fname_str_dbg(smb_fname),
(unsigned int)*access_granted,
nt_errstr(status) ));
+ if (!NT_STATUS_IS_OK(status)) {
+ if (DEBUGLEVEL >= 10) {
+ DEBUG(10,("smbd_check_open_rights: acl for %s is:\n",
+ smb_fname_str_dbg(smb_fname) ));
+ NDR_PRINT_DEBUG(security_descriptor, sd);
+ }
+ }
+
+ TALLOC_FREE(sd);
+
return status;
}
****************************************************************************/
static NTSTATUS fd_open(struct connection_struct *conn,
- struct smb_filename *smb_fname,
files_struct *fsp,
int flags,
mode_t mode)
{
+ struct smb_filename *smb_fname = fsp->fsp_name;
NTSTATUS status = NT_STATUS_OK;
#ifdef O_NOFOLLOW
{
int ret;
+ if (fsp->dptr) {
+ dptr_CloseDir(fsp);
+ }
if (fsp->fh->fd == -1) {
return NT_STATUS_OK; /* What we used to call a stat open. */
}
"directory %s. Error was %s\n",
smb_fname_str_dbg(smb_fname_parent),
strerror(errno)));
+ TALLOC_FREE(smb_fname_parent);
+ return;
+ }
+
+ if (smb_fname_parent->st.st_ex_uid == fsp->fsp_name->st.st_ex_uid) {
+ /* Already this uid - no need to change. */
+ DEBUG(10,("change_file_owner_to_parent: file %s "
+ "is already owned by uid %d\n",
+ fsp_str_dbg(fsp),
+ (int)fsp->fsp_name->st.st_ex_uid ));
+ TALLOC_FREE(smb_fname_parent);
return;
}
"was %s\n", fsp_str_dbg(fsp),
(unsigned int)smb_fname_parent->st.st_ex_uid,
strerror(errno) ));
+ } else {
+ DEBUG(10,("change_file_owner_to_parent: changed new file %s to "
+ "parent directory uid %u.\n", fsp_str_dbg(fsp),
+ (unsigned int)smb_fname_parent->st.st_ex_uid));
}
- DEBUG(10,("change_file_owner_to_parent: changed new file %s to "
- "parent directory uid %u.\n", fsp_str_dbg(fsp),
- (unsigned int)smb_fname_parent->st.st_ex_uid));
-
TALLOC_FREE(smb_fname_parent);
}
goto chdir;
}
+ if (smb_fname_parent->st.st_ex_uid == smb_fname_cwd->st.st_ex_uid) {
+ /* Already this uid - no need to change. */
+ DEBUG(10,("change_dir_owner_to_parent: directory %s "
+ "is already owned by uid %d\n",
+ fname,
+ (int)smb_fname_cwd->st.st_ex_uid ));
+ status = NT_STATUS_OK;
+ goto chdir;
+ }
+
become_root();
- ret = SMB_VFS_CHOWN(conn, ".", smb_fname_parent->st.st_ex_uid,
+ ret = SMB_VFS_LCHOWN(conn, ".", smb_fname_parent->st.st_ex_uid,
(gid_t)-1);
unbecome_root();
if (ret == -1) {
"Error was %s\n", fname,
(unsigned int)smb_fname_parent->st.st_ex_uid,
strerror(errno) ));
- goto chdir;
+ } else {
+ DEBUG(10,("change_dir_owner_to_parent: changed ownership of new "
+ "directory %s to parent directory uid %u.\n",
+ fname, (unsigned int)smb_fname_parent->st.st_ex_uid ));
}
- DEBUG(10,("change_dir_owner_to_parent: changed ownership of new "
- "directory %s to parent directory uid %u.\n",
- fname, (unsigned int)smb_fname_parent->st.st_ex_uid ));
-
chdir:
vfs_ChDir(conn,saved_dir);
out:
connection_struct *conn,
struct smb_request *req,
const char *parent_dir,
- struct smb_filename *smb_fname,
int flags,
mode_t unx_mode,
uint32 access_mask, /* client requested access mask. */
uint32 open_access_mask) /* what we're actually using in the open. */
{
+ struct smb_filename *smb_fname = fsp->fsp_name;
NTSTATUS status = NT_STATUS_OK;
int accmode = (flags & O_ACCMODE);
int local_flags = flags;
- bool file_existed = VALID_STAT(smb_fname->st);
+ bool file_existed = VALID_STAT(fsp->fsp_name->st);
fsp->fh->fd = -1;
errno = EPERM;
}
/* Actually do the open */
- status = fd_open(conn, smb_fname, fsp, local_flags, unx_mode);
+ status = fd_open(conn, fsp, local_flags, unx_mode);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(3,("Error opening file %s (%s) (local_flags=%d) "
"(flags=%d)\n", smb_fname_str_dbg(smb_fname),
fsp->can_write = (access_mask & (FILE_WRITE_DATA | FILE_APPEND_DATA)) ?
True : False;
}
- fsp->print_file = False;
+ fsp->print_file = NULL;
fsp->modified = False;
fsp->sent_oplock_break = NO_BREAK_SENT;
fsp->is_directory = False;
if (conn->aio_write_behind_list &&
is_in_path(smb_fname->base_name, conn->aio_write_behind_list,
- get_Protocol(conn->sconn), conn->case_sensitive)) {
+ conn->case_sensitive)) {
fsp->aio_write_behind = True;
}
- status = fsp_set_smb_fname(fsp, smb_fname);
- if (!NT_STATUS_IS_OK(status)) {
- fd_close(fsp);
- errno = map_errno_from_nt_status(status);
- return status;
- }
fsp->wcp = NULL; /* Write cache pointer. */
DEBUG(2,("%s opened file %s read=%s write=%s (numopen=%d)\n",
- conn->server_info->unix_name,
+ conn->session_info->unix_name,
smb_fname_str_dbg(smb_fname),
BOOLSTR(fsp->can_read), BOOLSTR(fsp->can_write),
conn->num_files_open));
share_access, FILE_SHARE_WRITE);
CHECK_MASK(2, access_mask, FILE_WRITE_DATA | FILE_APPEND_DATA,
entry->share_access, FILE_SHARE_WRITE);
-
+
CHECK_MASK(3, entry->access_mask, FILE_READ_DATA | FILE_EXECUTE,
share_access, FILE_SHARE_READ);
CHECK_MASK(4, access_mask, FILE_READ_DATA | FILE_EXECUTE,
}
#if defined(DEVELOPER)
-static void validate_my_share_entries(int num,
+static void validate_my_share_entries(struct smbd_server_connection *sconn,
+ int num,
struct share_mode_entry *share_entry)
{
files_struct *fsp;
return;
}
- fsp = file_find_dif(share_entry->id,
+ fsp = file_find_dif(sconn, share_entry->id,
share_entry->share_file_id);
if (!fsp) {
DEBUG(0,("validate_my_share_entries: PANIC : %s\n",
static NTSTATUS open_mode_check(connection_struct *conn,
struct share_mode_lock *lck,
+ uint32_t name_hash,
uint32 access_mask,
uint32 share_access,
uint32 create_options,
/* A delete on close prohibits everything */
- if (lck->delete_on_close) {
+ if (is_delete_on_close_set(lck, name_hash)) {
return NT_STATUS_DELETE_PENDING;
}
/*
* Check if the share modes will give us access.
*/
-
+
#if defined(DEVELOPER)
for(i = 0; i < lck->num_share_modes; i++) {
- validate_my_share_entries(i, &lck->share_modes[i]);
+ validate_my_share_entries(conn->sconn, i,
+ &lck->share_modes[i]);
}
#endif
return NT_STATUS_SHARING_VIOLATION;
}
}
-
+
return NT_STATUS_OK;
}
static NTSTATUS send_break_message(files_struct *fsp,
struct share_mode_entry *exclusive,
- uint16 mid,
+ uint64_t mid,
int oplock_request)
{
NTSTATUS status;
don't want this set in the share mode struct pointed to by lck. */
if (oplock_request & FORCE_OPLOCK_BREAK_TO_NONE) {
- SSVAL(msg,6,exclusive->op_type | FORCE_OPLOCK_BREAK_TO_NONE);
+ SSVAL(msg,OP_BREAK_MSG_OP_TYPE_OFFSET,
+ exclusive->op_type | FORCE_OPLOCK_BREAK_TO_NONE);
}
- status = messaging_send_buf(smbd_messaging_context(), exclusive->pid,
+ status = messaging_send_buf(fsp->conn->sconn->msg_ctx, exclusive->pid,
MSG_SMB_BREAK_REQUEST,
(uint8 *)msg,
MSG_SMB_SHARE_MODE_ENTRY_SIZE);
}
/*
- * 1) No files open at all or internal open: Grant whatever the client wants.
- *
- * 2) Exclusive (or batch) oplock around: If the requested access is a delete
- * request, break if the oplock around is a batch oplock. If it's another
- * requested access type, break.
- *
- * 3) Only level2 around: Grant level2 and do nothing else.
+ * Return share_mode_entry pointers for :
+ * 1). Batch oplock entry.
+ * 2). Batch or exclusive oplock entry (may be identical to #1).
+ * bool have_level2_oplock
+ * bool have_no_oplock.
+ * Do internal consistency checks on the share mode for a file.
*/
-static bool delay_for_oplocks(struct share_mode_lock *lck,
- files_struct *fsp,
- uint16 mid,
- int pass_number,
- int oplock_request)
+static void find_oplock_types(struct share_mode_lock *lck,
+ struct share_mode_entry **pp_batch,
+ struct share_mode_entry **pp_ex_or_batch,
+ bool *got_level2,
+ bool *got_no_oplock)
{
int i;
- struct share_mode_entry *exclusive = NULL;
- bool valid_entry = false;
- bool have_level2 = false;
- bool have_a_none_oplock = false;
- bool allow_level2 = (global_client_caps & CAP_LEVEL_II_OPLOCKS) &&
- lp_level2_oplocks(SNUM(fsp->conn));
- if (oplock_request & INTERNAL_OPEN_ONLY) {
- fsp->oplock_type = NO_OPLOCK;
- }
-
- if ((oplock_request & INTERNAL_OPEN_ONLY) || is_stat_open(fsp->access_mask)) {
- return false;
- }
+ *pp_batch = NULL;
+ *pp_ex_or_batch = NULL;
+ *got_level2 = false;
+ *got_no_oplock = false;
for (i=0; i<lck->num_share_modes; i++) {
-
if (!is_valid_share_mode_entry(&lck->share_modes[i])) {
continue;
}
- /* At least one entry is not an invalid or deferred entry. */
- valid_entry = true;
-
- if (pass_number == 1) {
- if (BATCH_OPLOCK_TYPE(lck->share_modes[i].op_type)) {
- SMB_ASSERT(exclusive == NULL);
- exclusive = &lck->share_modes[i];
+ if (BATCH_OPLOCK_TYPE(lck->share_modes[i].op_type)) {
+ /* batch - can only be one. */
+ if (*pp_ex_or_batch || *pp_batch || *got_level2 || *got_no_oplock) {
+ smb_panic("Bad batch oplock entry.");
}
- } else {
- if (EXCLUSIVE_OPLOCK_TYPE(lck->share_modes[i].op_type)) {
- SMB_ASSERT(exclusive == NULL);
- exclusive = &lck->share_modes[i];
+ *pp_batch = &lck->share_modes[i];
+ }
+
+ if (EXCLUSIVE_OPLOCK_TYPE(lck->share_modes[i].op_type)) {
+ /* Exclusive or batch - can only be one. */
+ if (*pp_ex_or_batch || *got_level2 || *got_no_oplock) {
+ smb_panic("Bad exclusive or batch oplock entry.");
}
+ *pp_ex_or_batch = &lck->share_modes[i];
}
if (LEVEL_II_OPLOCK_TYPE(lck->share_modes[i].op_type)) {
- SMB_ASSERT(exclusive == NULL);
- have_level2 = true;
+ if (*pp_batch || *pp_ex_or_batch) {
+ smb_panic("Bad levelII oplock entry.");
+ }
+ *got_level2 = true;
}
if (lck->share_modes[i].op_type == NO_OPLOCK) {
- have_a_none_oplock = true;
+ if (*pp_batch || *pp_ex_or_batch) {
+ smb_panic("Bad no oplock entry.");
+ }
+ *got_no_oplock = true;
}
}
+}
+
+static bool delay_for_batch_oplocks(files_struct *fsp,
+ uint64_t mid,
+ int oplock_request,
+ struct share_mode_entry *batch_entry)
+{
+ if ((oplock_request & INTERNAL_OPEN_ONLY) || is_stat_open(fsp->access_mask)) {
+ return false;
+ }
+
+ if (batch_entry != NULL) {
+ /* Found a batch oplock */
+ send_break_message(fsp, batch_entry, mid, oplock_request);
+ return true;
+ }
+ return false;
+}
+
+static bool delay_for_exclusive_oplocks(files_struct *fsp,
+ uint64_t mid,
+ int oplock_request,
+ struct share_mode_entry *ex_entry)
+{
+ if ((oplock_request & INTERNAL_OPEN_ONLY) || is_stat_open(fsp->access_mask)) {
+ return false;
+ }
- if (exclusive != NULL) { /* Found an exclusive oplock */
+ if (ex_entry != NULL) {
+ /* Found an exclusive or batch oplock */
bool delay_it = is_delete_request(fsp) ?
- BATCH_OPLOCK_TYPE(exclusive->op_type) : true;
- SMB_ASSERT(!have_level2);
+ BATCH_OPLOCK_TYPE(ex_entry->op_type) : true;
if (delay_it) {
- send_break_message(fsp, exclusive, mid, oplock_request);
+ send_break_message(fsp, ex_entry, mid, oplock_request);
return true;
}
}
+ return false;
+}
+
+static bool file_has_brlocks(files_struct *fsp)
+{
+ struct byte_range_lock *br_lck;
+
+ br_lck = brl_get_locks_readonly(fsp);
+ if (!br_lck)
+ return false;
+
+ return br_lck->num_locks > 0 ? true : false;
+}
+
+static void grant_fsp_oplock_type(files_struct *fsp,
+ int oplock_request,
+ bool got_level2_oplock,
+ bool got_a_none_oplock)
+{
+ bool allow_level2 = (global_client_caps & CAP_LEVEL_II_OPLOCKS) &&
+ lp_level2_oplocks(SNUM(fsp->conn));
+
+ /* Start by granting what the client asked for,
+ but ensure no SAMBA_PRIVATE bits can be set. */
+ fsp->oplock_type = (oplock_request & ~SAMBA_PRIVATE_OPLOCK_MASK);
+
+ if (oplock_request & INTERNAL_OPEN_ONLY) {
+ /* No oplocks on internal open. */
+ fsp->oplock_type = NO_OPLOCK;
+ DEBUG(10,("grant_fsp_oplock_type: oplock type 0x%x on file %s\n",
+ fsp->oplock_type, fsp_str_dbg(fsp)));
+ return;
+ } else if (lp_locking(fsp->conn->params) && file_has_brlocks(fsp)) {
+ DEBUG(10,("grant_fsp_oplock_type: file %s has byte range locks\n",
+ fsp_str_dbg(fsp)));
+ fsp->oplock_type = NO_OPLOCK;
+ }
+
+ if (is_stat_open(fsp->access_mask)) {
+ /* Leave the value already set. */
+ DEBUG(10,("grant_fsp_oplock_type: oplock type 0x%x on file %s\n",
+ fsp->oplock_type, fsp_str_dbg(fsp)));
+ return;
+ }
/*
* Match what was requested (fsp->oplock_type) with
* what was found in the existing share modes.
*/
- if (!valid_entry) {
- /* All entries are placeholders or deferred.
- * Directly grant whatever the client wants. */
- if (fsp->oplock_type == NO_OPLOCK) {
- /* Store a level2 oplock, but don't tell the client */
- fsp->oplock_type = FAKE_LEVEL_II_OPLOCK;
- }
- } else if (have_a_none_oplock) {
+ if (got_a_none_oplock) {
fsp->oplock_type = NO_OPLOCK;
- } else if (have_level2) {
+ } else if (got_level2_oplock) {
if (fsp->oplock_type == NO_OPLOCK ||
fsp->oplock_type == FAKE_LEVEL_II_OPLOCK) {
/* Store a level2 oplock, but don't tell the client */
fsp->oplock_type = LEVEL_II_OPLOCK;
}
} else {
- /* This case can never happen. */
- SMB_ASSERT(1);
+ /* All share_mode_entries are placeholders or deferred.
+ * Silently upgrade to fake levelII if the client didn't
+ * ask for an oplock. */
+ if (fsp->oplock_type == NO_OPLOCK) {
+ /* Store a level2 oplock, but don't tell the client */
+ fsp->oplock_type = FAKE_LEVEL_II_OPLOCK;
+ }
}
/*
fsp->oplock_type = FAKE_LEVEL_II_OPLOCK;
}
- DEBUG(10,("delay_for_oplocks: oplock type 0x%x on file %s\n",
+ DEBUG(10,("grant_fsp_oplock_type: oplock type 0x%x on file %s\n",
fsp->oplock_type, fsp_str_dbg(fsp)));
-
- /* No delay. */
- return false;
}
bool request_timed_out(struct timeval request_time,
if (procid_is_me(&e->pid) && (e->op_mid == req->mid)) {
DEBUG(0, ("Trying to defer an already deferred "
- "request: mid=%d, exiting\n", req->mid));
+ "request: mid=%llu, exiting\n",
+ (unsigned long long)req->mid));
exit_server("attempt to defer a deferred request");
}
}
/* End paranoia check */
DEBUG(10,("defer_open_sharing_error: time [%u.%06u] adding deferred "
- "open entry for mid %u\n",
+ "open entry for mid %llu\n",
(unsigned int)request_time.tv_sec,
(unsigned int)request_time.tv_usec,
- (unsigned int)req->mid));
+ (unsigned long long)req->mid));
- if (!push_deferred_smb_message(req, request_time, timeout,
- (char *)state, sizeof(*state))) {
- exit_server("push_deferred_smb_message failed");
+ if (!push_deferred_open_message_smb(req, request_time, timeout,
+ state->id, (char *)state, sizeof(*state))) {
+ exit_server("push_deferred_open_message_smb failed");
}
- add_deferred_open(lck, req->mid, request_time, state->id);
+ add_deferred_open(lck, req->mid, request_time,
+ sconn_server_id(req->sconn), state->id);
}
DEBUG(5,("fcb_or_dos_open: attempting old open semantics for "
"file %s.\n", smb_fname_str_dbg(smb_fname)));
- for(fsp = file_find_di_first(id); fsp;
+ for(fsp = file_find_di_first(conn->sconn, id); fsp;
fsp = file_find_di_next(fsp)) {
DEBUG(10,("fcb_or_dos_open: checking file %s, fd = %d, "
uint32 *paccess_mask,
uint32 *pshare_mode,
uint32 *pcreate_disposition,
- uint32 *pcreate_options)
+ uint32 *pcreate_options,
+ uint32_t *pprivate_flags)
{
uint32 access_mask;
uint32 share_mode;
uint32 create_disposition;
uint32 create_options = FILE_NON_DIRECTORY_FILE;
+ uint32_t private_flags = 0;
DEBUG(10,("map_open_params_to_ntcreate: fname = %s, deny_mode = 0x%x, "
"open_func = 0x%x\n",
case OPENX_FILE_EXISTS_OPEN|OPENX_FILE_CREATE_IF_NOT_EXIST:
create_disposition = FILE_OPEN_IF;
break;
-
+
case OPENX_FILE_EXISTS_TRUNCATE:
create_disposition = FILE_OVERWRITE;
break;
"open_func 0x%x\n", (unsigned int)open_func));
return False;
}
-
+
/* Create the NT compatible share modes. */
switch (GET_DENY_MODE(deny_mode)) {
case DENY_ALL:
break;
case DENY_DOS:
- create_options |= NTCREATEX_OPTIONS_PRIVATE_DENY_DOS;
+ private_flags |= NTCREATEX_OPTIONS_PRIVATE_DENY_DOS;
if (is_executable(smb_fname->base_name)) {
share_mode = FILE_SHARE_READ|FILE_SHARE_WRITE;
} else {
break;
case DENY_FCB:
- create_options |= NTCREATEX_OPTIONS_PRIVATE_DENY_FCB;
+ private_flags |= NTCREATEX_OPTIONS_PRIVATE_DENY_FCB;
share_mode = FILE_SHARE_NONE;
break;
DEBUG(10,("map_open_params_to_ntcreate: file %s, access_mask = 0x%x, "
"share_mode = 0x%x, create_disposition = 0x%x, "
- "create_options = 0x%x\n",
+ "create_options = 0x%x private_flags = 0x%x\n",
smb_fname_str_dbg(smb_fname),
(unsigned int)access_mask,
(unsigned int)share_mode,
(unsigned int)create_disposition,
- (unsigned int)create_options ));
+ (unsigned int)create_options,
+ (unsigned int)private_flags));
if (paccess_mask) {
*paccess_mask = access_mask;
if (pcreate_options) {
*pcreate_options = create_options;
}
+ if (pprivate_flags) {
+ *pprivate_flags = private_flags;
+ }
return True;
uint32_t access_granted = 0;
status = SMB_VFS_GET_NT_ACL(conn, smb_fname->base_name,
- (OWNER_SECURITY_INFORMATION |
- GROUP_SECURITY_INFORMATION |
- DACL_SECURITY_INFORMATION),&sd);
+ (SECINFO_OWNER |
+ SECINFO_GROUP |
+ SECINFO_DACL),&sd);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("calculate_access_mask: Could not get acl "
return NT_STATUS_ACCESS_DENIED;
}
- status = smb1_file_se_access_check(sd,
- conn->server_info->ptok,
+ status = smb1_file_se_access_check(conn,
+ sd,
+ get_current_nttok(conn),
access_mask,
&access_granted);
return NT_STATUS_OK;
}
+/****************************************************************************
+ Remove the deferred open entry under lock.
+****************************************************************************/
+
+void remove_deferred_open_entry(struct file_id id, uint64_t mid,
+ struct server_id pid)
+{
+ struct share_mode_lock *lck = get_share_mode_lock(talloc_tos(), id,
+ NULL, NULL, NULL);
+ if (lck == NULL) {
+ DEBUG(0, ("could not get share mode lock\n"));
+ } else {
+ del_deferred_open_entry(lck, mid, pid);
+ TALLOC_FREE(lck);
+ }
+}
+
/****************************************************************************
Open a file with a share mode. Passed in an already created files_struct *.
****************************************************************************/
static NTSTATUS open_file_ntcreate(connection_struct *conn,
struct smb_request *req,
- struct smb_filename *smb_fname,
uint32 access_mask, /* access bits (FILE_READ_DATA etc.) */
uint32 share_access, /* share constants (FILE_SHARE_READ etc) */
uint32 create_disposition, /* FILE_OPEN_IF etc. */
uint32 new_dos_attributes, /* attributes used for new file. */
int oplock_request, /* internal Samba oplock codes. */
/* Information (FILE_EXISTS etc.) */
+ uint32_t private_flags, /* Samba specific flags. */
int *pinfo,
files_struct *fsp)
{
+ struct smb_filename *smb_fname = fsp->fsp_name;
int flags=0;
int flags2=0;
bool file_existed = VALID_STAT(smb_fname->st);
mode_t unx_mode = (mode_t)0;
int info;
uint32 existing_dos_attributes = 0;
- struct pending_message_list *pml = NULL;
struct timeval request_time = timeval_zero();
struct share_mode_lock *lck = NULL;
uint32 open_access_mask = access_mask;
ZERO_STRUCT(id);
+ /* Windows allows a new file to be created and
+ silently removes a FILE_ATTRIBUTE_DIRECTORY
+ sent by the client. Do the same. */
+
+ new_dos_attributes &= ~FILE_ATTRIBUTE_DIRECTORY;
+
if (conn->printer) {
/*
* Printers are handled completely differently.
return NT_STATUS_INTERNAL_ERROR;
}
- return print_fsp_open(req, conn, smb_fname->base_name,
- req->vuid, fsp);
+ return print_spool_open(fsp, smb_fname->base_name,
+ req->vuid);
}
if (!parent_dirname(talloc_tos(), smb_fname->base_name, &parent_dir,
DEBUG(10, ("open_file_ntcreate: fname=%s, dos_attrs=0x%x "
"access_mask=0x%x share_access=0x%x "
"create_disposition = 0x%x create_options=0x%x "
- "unix mode=0%o oplock_request=%d\n",
+ "unix mode=0%o oplock_request=%d private_flags = 0x%x\n",
smb_fname_str_dbg(smb_fname), new_dos_attributes,
access_mask, share_access, create_disposition,
- create_options, (unsigned int)unx_mode, oplock_request));
+ create_options, (unsigned int)unx_mode, oplock_request,
+ (unsigned int)private_flags));
if ((req == NULL) && ((oplock_request & INTERNAL_OPEN_ONLY) == 0)) {
DEBUG(0, ("No smb request but not an internal only open!\n"));
* Only non-internal opens can be deferred at all
*/
- if ((req != NULL)
- && ((pml = get_open_deferred_message(req->mid)) != NULL)) {
- struct deferred_open_record *state =
- (struct deferred_open_record *)pml->private_data.data;
+ if (req) {
+ void *ptr;
+ if (get_deferred_open_message_state(req,
+ &request_time,
+ &ptr)) {
- /* Remember the absolute time of the original
- request with this mid. We'll use it later to
- see if this has timed out. */
+ struct deferred_open_record *state = (struct deferred_open_record *)ptr;
+ /* Remember the absolute time of the original
+ request with this mid. We'll use it later to
+ see if this has timed out. */
- request_time = pml->request_time;
+ /* Remove the deferred open entry under lock. */
+ remove_deferred_open_entry(
+ state->id, req->mid,
+ sconn_server_id(req->sconn));
- /* Remove the deferred open entry under lock. */
- 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 {
- del_deferred_open_entry(lck, req->mid);
- TALLOC_FREE(lck);
+ /* Ensure we don't reprocess this message. */
+ remove_deferred_open_message_smb(req->mid);
}
-
- /* Ensure we don't reprocess this message. */
- remove_deferred_open_smb_message(req->mid);
}
status = check_name(conn, smb_fname->base_name);
}
/* ignore any oplock requests if oplocks are disabled */
- if (!lp_oplocks(SNUM(conn)) || global_client_failed_oplock_break ||
- is_in_path(smb_fname->base_name, conn->veto_oplock_list,
- get_Protocol(conn->sconn), conn->case_sensitive)) {
+ if (!lp_oplocks(SNUM(conn)) ||
+ IS_VETO_OPLOCK_PATH(conn, smb_fname->base_name)) {
/* Mask off everything except the private Samba bits. */
oplock_request &= SAMBA_PRIVATE_OPLOCK_MASK;
}
/* DENY_DOS opens are always underlying read-write on the
file handle, no matter what the requested access mask
says. */
- if ((create_options & NTCREATEX_OPTIONS_PRIVATE_DENY_DOS) ||
+ if ((private_flags & NTCREATEX_OPTIONS_PRIVATE_DENY_DOS) ||
access_mask & (FILE_READ_ATTRIBUTES|FILE_READ_DATA|FILE_READ_EA|FILE_EXECUTE)) {
flags = O_RDWR;
} else {
fsp->file_id = vfs_file_id_from_sbuf(conn, &smb_fname->st);
fsp->share_access = share_access;
- fsp->fh->private_options = create_options;
+ fsp->fh->private_options = private_flags;
fsp->access_mask = open_access_mask; /* We change this to the
* requested access_mask after
* the open is done. */
}
if (file_existed) {
+ struct share_mode_entry *batch_entry = NULL;
+ struct share_mode_entry *exclusive_entry = NULL;
+ bool got_level2_oplock = false;
+ bool got_a_none_oplock = false;
+
struct timespec old_write_time = smb_fname->st.st_ex_mtime;
id = vfs_file_id_from_sbuf(conn, &smb_fname->st);
return NT_STATUS_SHARING_VIOLATION;
}
+ /* Get the types we need to examine. */
+ find_oplock_types(lck,
+ &batch_entry,
+ &exclusive_entry,
+ &got_level2_oplock,
+ &got_a_none_oplock);
+
/* First pass - send break only on batch oplocks. */
- if ((req != NULL)
- && delay_for_oplocks(lck, fsp, req->mid, 1,
- oplock_request)) {
+ if ((req != NULL) &&
+ delay_for_batch_oplocks(fsp,
+ req->mid,
+ oplock_request,
+ batch_entry)) {
schedule_defer_open(lck, request_time, req);
TALLOC_FREE(lck);
return NT_STATUS_SHARING_VIOLATION;
/* Use the client requested access mask here, not the one we
* open with. */
- status = open_mode_check(conn, lck, access_mask, share_access,
+ status = open_mode_check(conn, lck, fsp->name_hash,
+ access_mask, share_access,
create_options, &file_existed);
if (NT_STATUS_IS_OK(status)) {
* status again. */
/* Second pass - send break for both batch or
* exclusive oplocks. */
- if ((req != NULL)
- && delay_for_oplocks(lck, fsp, req->mid, 2,
- oplock_request)) {
+ if ((req != NULL) &&
+ delay_for_exclusive_oplocks(
+ fsp,
+ req->mid,
+ oplock_request,
+ exclusive_entry)) {
schedule_defer_open(lck, request_time, req);
TALLOC_FREE(lck);
return NT_STATUS_SHARING_VIOLATION;
return status;
}
+ grant_fsp_oplock_type(fsp,
+ oplock_request,
+ got_level2_oplock,
+ got_a_none_oplock);
+
if (!NT_STATUS_IS_OK(status)) {
uint32 can_access_mask;
bool can_access = True;
/* Check if this can be done with the deny_dos and fcb
* calls. */
- if (create_options &
+ if (private_flags &
(NTCREATEX_OPTIONS_PRIVATE_DENY_DOS|
NTCREATEX_OPTIONS_PRIVATE_DENY_FCB)) {
if (req == NULL) {
if ((flags2 & O_CREAT) && lp_inherit_acls(SNUM(conn)) &&
(def_acl = directory_has_default_acl(conn, parent_dir))) {
- unx_mode = 0777;
+ unx_mode = (0777 & lp_create_mask(SNUM(conn)));
}
DEBUG(4,("calling open_file with flags=0x%X flags2=0x%X mode=0%o, "
* open_file strips any O_TRUNC flags itself.
*/
- fsp_open = open_file(fsp, conn, req, parent_dir, smb_fname,
+ fsp_open = open_file(fsp, conn, req, parent_dir,
flags|flags2, unx_mode, access_mask,
open_access_mask);
}
if (!file_existed) {
+ struct share_mode_entry *batch_entry = NULL;
+ struct share_mode_entry *exclusive_entry = NULL;
+ bool got_level2_oplock = false;
+ bool got_a_none_oplock = false;
struct timespec old_write_time = smb_fname->st.st_ex_mtime;
/*
* Deal with the race condition where two smbd's detect the
return NT_STATUS_SHARING_VIOLATION;
}
+ /* Get the types we need to examine. */
+ find_oplock_types(lck,
+ &batch_entry,
+ &exclusive_entry,
+ &got_level2_oplock,
+ &got_a_none_oplock);
+
/* First pass - send break only on batch oplocks. */
- if ((req != NULL)
- && delay_for_oplocks(lck, fsp, req->mid, 1,
- oplock_request)) {
+ if ((req != NULL) &&
+ delay_for_batch_oplocks(fsp,
+ req->mid,
+ oplock_request,
+ batch_entry)) {
schedule_defer_open(lck, request_time, req);
TALLOC_FREE(lck);
fd_close(fsp);
return NT_STATUS_SHARING_VIOLATION;
}
- status = open_mode_check(conn, lck, access_mask, share_access,
+ status = open_mode_check(conn, lck, fsp->name_hash,
+ access_mask, share_access,
create_options, &file_existed);
if (NT_STATUS_IS_OK(status)) {
* status again. */
/* Second pass - send break for both batch or
* exclusive oplocks. */
- if ((req != NULL)
- && delay_for_oplocks(lck, fsp, req->mid, 2,
- oplock_request)) {
+ if ((req != NULL) &&
+ delay_for_exclusive_oplocks(
+ fsp,
+ req->mid,
+ oplock_request,
+ exclusive_entry)) {
schedule_defer_open(lck, request_time, req);
TALLOC_FREE(lck);
fd_close(fsp);
return status;
}
+ grant_fsp_oplock_type(fsp,
+ oplock_request,
+ got_level2_oplock,
+ got_a_none_oplock);
+
/*
* We exit this block with the share entry *locked*.....
*/
* If requested, truncate the file.
*/
- if (flags2&O_TRUNC) {
+ if (file_existed && (flags2&O_TRUNC)) {
/*
* We are modifing the file after open - update the stat
* struct..
}
}
- /* Record the options we were opened with. */
- fsp->share_access = share_access;
- fsp->fh->private_options = create_options;
/*
* According to Samba4, SEC_FILE_READ_ATTRIBUTE is always granted,
+ * but we don't have to store this - just ignore it on access check.
*/
- fsp->access_mask = access_mask | FILE_READ_ATTRIBUTES;
+ if (conn->sconn->using_smb2) {
+ /*
+ * SMB2 doesn't return it (according to Microsoft tests).
+ * Test Case: TestSuite_ScenarioNo009GrantedAccessTestS0
+ * File created with access = 0x7 (Read, Write, Delete)
+ * Query Info on file returns 0x87 (Read, Write, Delete, Read Attributes)
+ */
+ fsp->access_mask = access_mask;
+ } else {
+ /* But SMB1 does. */
+ fsp->access_mask = access_mask | FILE_READ_ATTRIBUTES;
+ }
if (file_existed) {
/* stat opens on existing files don't get oplocks. */
*/
if (!set_file_oplock(fsp, fsp->oplock_type)) {
- /* Could not get the kernel oplock */
+ /*
+ * Could not get the kernel oplock or there are byte-range
+ * locks on the file.
+ */
fsp->oplock_type = NO_OPLOCK;
}
new_file_created = True;
}
- set_share_mode(lck, fsp, conn->server_info->utok.uid, 0,
+ set_share_mode(lck, fsp, get_current_uid(conn), 0,
fsp->oplock_type);
/* Handle strange delete on close create semantics. */
if (create_options & FILE_DELETE_ON_CLOSE) {
- status = can_set_delete_on_close(fsp, True, new_dos_attributes);
+ status = can_set_delete_on_close(fsp, new_dos_attributes);
if (!NT_STATUS_IS_OK(status)) {
/* Remember to delete the mode we just added. */
}
}
+ /* Determine sparse flag. */
+ if (posix_open) {
+ /* POSIX opens are sparse by default. */
+ fsp->is_sparse = true;
+ } else {
+ fsp->is_sparse = (file_existed &&
+ (existing_dos_attributes & FILE_ATTRIBUTE_SPARSE));
+ }
+
/*
* Take care of inherited ACLs on created files - if default ACL not
* selected.
/* If this is a successful open, we must remove any deferred open
* records. */
if (req != NULL) {
- del_deferred_open_entry(lck, req->mid);
+ del_deferred_open_entry(lck, req->mid,
+ sconn_server_id(req->sconn));
}
TALLOC_FREE(lck);
Open a file for for write to ensure that we can fchmod it.
****************************************************************************/
-NTSTATUS open_file_fchmod(struct smb_request *req, connection_struct *conn,
+NTSTATUS open_file_fchmod(connection_struct *conn,
struct smb_filename *smb_fname,
files_struct **result)
{
- files_struct *fsp = NULL;
- NTSTATUS status;
-
if (!VALID_STAT(smb_fname->st)) {
return NT_STATUS_INVALID_PARAMETER;
}
- status = file_new(req, conn, &fsp);
- if(!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- status = SMB_VFS_CREATE_FILE(
+ return SMB_VFS_CREATE_FILE(
conn, /* conn */
NULL, /* req */
0, /* root_dir_fid */
FILE_OPEN, /* create_disposition*/
0, /* create_options */
0, /* file_attributes */
- 0, /* oplock_request */
+ INTERNAL_OPEN_ONLY, /* oplock_request */
0, /* allocation_size */
+ 0, /* private_flags */
NULL, /* sd */
NULL, /* ea_list */
- &fsp, /* result */
+ result, /* result */
NULL); /* pinfo */
-
- /*
- * This is not a user visible file open.
- * Don't set a share mode.
- */
-
- if (!NT_STATUS_IS_OK(status)) {
- file_free(req, fsp);
- return status;
- }
-
- *result = fsp;
- return NT_STATUS_OK;
-}
-
-/****************************************************************************
- Close the fchmod file fd - ensure no locks are lost.
-****************************************************************************/
-
-NTSTATUS close_file_fchmod(struct smb_request *req, files_struct *fsp)
-{
- NTSTATUS status = fd_close(fsp);
- file_free(req, fsp);
- return status;
}
static NTSTATUS mkdir_internal(connection_struct *conn,
return NT_STATUS_OK;
}
+/****************************************************************************
+ Ensure we didn't get symlink raced on opening a directory.
+****************************************************************************/
+
+bool check_same_stat(const SMB_STRUCT_STAT *sbuf1,
+ const SMB_STRUCT_STAT *sbuf2)
+{
+ if (sbuf1->st_ex_uid != sbuf2->st_ex_uid ||
+ sbuf1->st_ex_gid != sbuf2->st_ex_gid ||
+ sbuf1->st_ex_dev != sbuf2->st_ex_dev ||
+ sbuf1->st_ex_ino != sbuf2->st_ex_ino) {
+ return false;
+ }
+ return true;
+}
+
/****************************************************************************
Open a directory from an NT SMB call.
****************************************************************************/
SMB_ASSERT(!is_ntfs_stream_smb_fname(smb_dname));
+ /* Ensure we have a directory attribute. */
+ file_attributes |= FILE_ATTRIBUTE_DIRECTORY;
+
DEBUG(5,("open_directory: opening directory %s, access_mask = 0x%x, "
"share_access = 0x%x create_options = 0x%x, "
"create_disposition = 0x%x, file_attributes = 0x%x\n",
return status;
}
- /* We need to support SeSecurityPrivilege for this. */
- if (access_mask & SEC_FLAG_SYSTEM_SECURITY) {
+ if ((access_mask & SEC_FLAG_SYSTEM_SECURITY) &&
+ !security_token_has_privilege(get_current_nttok(conn),
+ SEC_PRIV_SECURITY)) {
DEBUG(10, ("open_directory: open on %s "
"failed - SEC_FLAG_SYSTEM_SECURITY denied.\n",
smb_fname_str_dbg(smb_dname)));
switch( create_disposition ) {
case FILE_OPEN:
- info = FILE_WAS_OPENED;
-
- /*
- * We want to follow symlinks here.
- */
-
- if (SMB_VFS_STAT(conn, smb_dname) != 0) {
- return map_nt_error_from_unix(errno);
+ if (!dir_existed) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
-
+
+ info = FILE_WAS_OPENED;
break;
case FILE_CREATE:
info = FILE_WAS_OPENED;
status = NT_STATUS_OK;
}
-
break;
case FILE_SUPERSEDE:
/*
* Setup the files_struct for it.
*/
-
+
fsp->mode = smb_dname->st.st_ex_mode;
fsp->file_id = vfs_file_id_from_sbuf(conn, &smb_dname->st);
fsp->vuid = req ? req->vuid : UID_FIELD_INVALID;
fsp->can_write = False;
fsp->share_access = share_access;
- fsp->fh->private_options = create_options;
+ fsp->fh->private_options = 0;
/*
* According to Samba4, SEC_FILE_READ_ATTRIBUTE is always granted,
*/
fsp->access_mask = access_mask | FILE_READ_ATTRIBUTES;
- fsp->print_file = False;
+ fsp->print_file = NULL;
fsp->modified = False;
fsp->oplock_type = NO_OPLOCK;
fsp->sent_oplock_break = NO_BREAK_SENT;
fsp->posix_open = (file_attributes & FILE_FLAG_POSIX_SEMANTICS) ? True : False;
status = fsp_set_smb_fname(fsp, smb_dname);
if (!NT_STATUS_IS_OK(status)) {
+ file_free(req, fsp);
return status;
}
mtimespec = smb_dname->st.st_ex_mtime;
+#ifdef O_DIRECTORY
+ status = fd_open(conn, fsp, O_RDONLY|O_DIRECTORY, 0);
+#else
+ /* POSIX allows us to open a directory with O_RDONLY. */
+ status = fd_open(conn, fsp, O_RDONLY, 0);
+#endif
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(5, ("open_directory: Could not open fd for "
+ "%s (%s)\n",
+ smb_fname_str_dbg(smb_dname),
+ nt_errstr(status)));
+ file_free(req, fsp);
+ return status;
+ }
+
+ status = vfs_stat_fsp(fsp);
+ if (!NT_STATUS_IS_OK(status)) {
+ fd_close(fsp);
+ file_free(req, fsp);
+ return status;
+ }
+
+ /* Ensure there was no race condition. */
+ if (!check_same_stat(&smb_dname->st, &fsp->fsp_name->st)) {
+ DEBUG(5,("open_directory: stat struct differs for "
+ "directory %s.\n",
+ smb_fname_str_dbg(smb_dname)));
+ fd_close(fsp);
+ file_free(req, fsp);
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
lck = get_share_mode_lock(talloc_tos(), fsp->file_id,
conn->connectpath, smb_dname, &mtimespec);
if (lck == NULL) {
DEBUG(0, ("open_directory: Could not get share mode lock for "
"%s\n", smb_fname_str_dbg(smb_dname)));
+ fd_close(fsp);
file_free(req, fsp);
return NT_STATUS_SHARING_VIOLATION;
}
- status = open_mode_check(conn, lck, access_mask, share_access,
+ status = open_mode_check(conn, lck, fsp->name_hash,
+ access_mask, share_access,
create_options, &dir_existed);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(lck);
+ fd_close(fsp);
file_free(req, fsp);
return status;
}
- set_share_mode(lck, fsp, conn->server_info->utok.uid, 0, NO_OPLOCK);
+ set_share_mode(lck, fsp, get_current_uid(conn), 0, NO_OPLOCK);
/* For directories the delete on close bit at open time seems
always to be honored on close... See test 19 in Samba4 BASE-DELETE. */
if (create_options & FILE_DELETE_ON_CLOSE) {
- status = can_set_delete_on_close(fsp, True, 0);
+ status = can_set_delete_on_close(fsp, 0);
if (!NT_STATUS_IS_OK(status) && !NT_STATUS_EQUAL(status, NT_STATUS_DIRECTORY_NOT_EMPTY)) {
TALLOC_FREE(lck);
+ fd_close(fsp);
file_free(req, fsp);
return status;
}
FILE_ATTRIBUTE_DIRECTORY, /* file_attributes */
0, /* oplock_request */
0, /* allocation_size */
+ 0, /* private_flags */
NULL, /* sd */
NULL, /* ea_list */
&fsp, /* result */
struct server_id server_id,
DATA_BLOB *data)
{
+ struct smbd_server_connection *sconn;
files_struct *fsp;
char *frm = (char *)data->data;
struct file_id id;
size_t sp_len, bn_len;
NTSTATUS status;
+ sconn = msg_ctx_to_sconn(msg);
+ if (sconn == NULL) {
+ DEBUG(1, ("could not find sconn\n"));
+ return;
+ }
+
if (data->data == NULL
|| data->length < MSG_FILE_RENAMED_MIN_SIZE + 2) {
DEBUG(0, ("msg_file_was_renamed: Got invalid msg len %d\n",
sharepath, smb_fname_str_dbg(smb_fname),
file_id_string_tos(&id)));
- for(fsp = file_find_di_first(id); fsp; fsp = file_find_di_next(fsp)) {
+ for(fsp = file_find_di_first(sconn, id); fsp;
+ fsp = file_find_di_next(fsp)) {
if (memcmp(fsp->conn->connectpath, sharepath, sp_len) == 0) {
DEBUG(10,("msg_file_was_renamed: renaming file fnum %d from %s -> %s\n",
return;
}
-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.
-****************************************************************************/
-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.
(FILE_SHARE_READ | /* share_access */
FILE_SHARE_WRITE | FILE_SHARE_DELETE),
FILE_OPEN, /* create_disposition*/
- NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE, /* create_options */
+ 0, /* create_options */
FILE_ATTRIBUTE_NORMAL, /* file_attributes */
0, /* oplock_request */
0, /* allocation_size */
+ NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE, /* private_flags */
NULL, /* sd */
NULL, /* ea_list */
&streams[i], /* result */
uint32_t file_attributes,
uint32_t oplock_request,
uint64_t allocation_size,
+ uint32_t private_flags,
struct security_descriptor *sd,
struct ea_list *ea_list,
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, "
+ "oplock_request = 0x%x private_flags = 0x%x "
+ "ea_list = 0x%p, sd = 0x%p, "
"fname = %s\n",
(unsigned int)access_mask,
(unsigned int)file_attributes,
(unsigned int)create_disposition,
(unsigned int)create_options,
(unsigned int)oplock_request,
+ (unsigned int)private_flags,
ea_list, sd, smb_fname_str_dbg(smb_fname)));
if (create_options & FILE_OPEN_BY_FILE_ID) {
if (lp_acl_check_permissions(SNUM(conn))
&& (create_disposition != FILE_CREATE)
- && (share_access & FILE_SHARE_DELETE)
&& (access_mask & DELETE_ACCESS)
&& (!(can_delete_file_in_directory(conn, smb_fname) ||
can_access_file_acl(conn, smb_fname, DELETE_ACCESS)))) {
goto fail;
}
-#if 0
- /* We need to support SeSecurityPrivilege for this. */
if ((access_mask & SEC_FLAG_SYSTEM_SECURITY) &&
- !user_has_privileges(current_user.nt_user_token,
- &se_security)) {
- status = NT_STATUS_PRIVILEGE_NOT_HELD;
- goto fail;
- }
-#else
- /* We need to support SeSecurityPrivilege for this. */
- if (access_mask & SEC_FLAG_SYSTEM_SECURITY) {
- status = NT_STATUS_PRIVILEGE_NOT_HELD;
- goto fail;
- }
- /* Don't allow a SACL set from an NTtrans create until we
- * support SeSecurityPrivilege. */
- if (!VALID_STAT(smb_fname->st) &&
- lp_nt_acl_support(SNUM(conn)) &&
- sd && (sd->sacl != NULL)) {
+ !security_token_has_privilege(get_current_nttok(conn),
+ SEC_PRIV_SECURITY)) {
+ DEBUG(10, ("create_file_unixpath: open on %s "
+ "failed - SEC_FLAG_SYSTEM_SECURITY denied.\n",
+ smb_fname_str_dbg(smb_fname)));
status = NT_STATUS_PRIVILEGE_NOT_HELD;
goto fail;
}
-#endif
if ((conn->fs_capabilities & FILE_NAMED_STREAMS)
&& is_ntfs_stream_smb_fname(smb_fname)
- && (!(create_options & NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE))) {
+ && (!(private_flags & NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE))) {
uint32 base_create_disposition;
struct smb_filename *smb_fname_base = NULL;
| FILE_SHARE_WRITE
| FILE_SHARE_DELETE,
base_create_disposition,
- 0, 0, 0, 0, NULL, NULL,
+ 0, 0, 0, 0, 0, NULL, NULL,
&base_fsp, NULL);
TALLOC_FREE(smb_fname_base);
goto fail;
}
+ status = fsp_set_smb_fname(fsp, smb_fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
/*
* We're opening the stream element of a base_fsp
* we already opened. Set up the base_fsp pointer.
status = open_file_ntcreate(conn,
req,
- smb_fname,
access_mask,
share_access,
create_disposition,
create_options,
file_attributes,
oplock_request,
+ private_flags,
&info,
fsp);
security_acl_map_generic(sd->dacl, &file_generic_mapping);
security_acl_map_generic(sd->sacl, &file_generic_mapping);
- if (sec_info_sent & (OWNER_SECURITY_INFORMATION|
- GROUP_SECURITY_INFORMATION|
- DACL_SECURITY_INFORMATION|
- SACL_SECURITY_INFORMATION)) {
+ if (sec_info_sent & (SECINFO_OWNER|
+ SECINFO_GROUP|
+ SECINFO_DACL|
+ SECINFO_SACL)) {
status = SMB_VFS_FSET_NT_ACL(fsp, sec_info_sent, sd);
}
if ((ea_list != NULL) &&
((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN))) {
- status = set_ea(conn, fsp, smb_fname, ea_list);
+ status = set_ea(conn, fsp, fsp->fsp_name, ea_list);
if (!NT_STATUS_IS_OK(status)) {
goto fail;
}
NTSTATUS get_relative_fid_filename(connection_struct *conn,
struct smb_request *req,
uint16_t root_dir_fid,
- struct smb_filename *smb_fname)
+ const struct smb_filename *smb_fname,
+ struct smb_filename **smb_fname_out)
{
files_struct *dir_fsp;
char *parent_fname = NULL;
}
}
- new_base_name = talloc_asprintf(smb_fname, "%s%s", parent_fname,
+ new_base_name = talloc_asprintf(talloc_tos(), "%s%s", parent_fname,
smb_fname->base_name);
if (new_base_name == NULL) {
status = NT_STATUS_NO_MEMORY;
goto out;
}
- TALLOC_FREE(smb_fname->base_name);
- smb_fname->base_name = new_base_name;
- status = NT_STATUS_OK;
+ status = filename_convert(req,
+ conn,
+ req->flags2 & FLAGS2_DFS_PATHNAMES,
+ new_base_name,
+ 0,
+ NULL,
+ smb_fname_out);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto out;
+ }
out:
TALLOC_FREE(parent_fname);
+ TALLOC_FREE(new_base_name);
return status;
}
uint32_t file_attributes,
uint32_t oplock_request,
uint64_t allocation_size,
+ uint32_t private_flags,
struct security_descriptor *sd,
struct ea_list *ea_list,
files_struct **result,
int info = FILE_WAS_OPENED;
files_struct *fsp = NULL;
NTSTATUS status;
+ bool stream_name = false;
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 "
+ "private_flags = 0x%x "
"root_dir_fid = 0x%x, ea_list = 0x%p, sd = 0x%p, "
"fname = %s\n",
(unsigned int)access_mask,
(unsigned int)create_disposition,
(unsigned int)create_options,
(unsigned int)oplock_request,
+ (unsigned int)private_flags,
(unsigned int)root_dir_fid,
ea_list, sd, smb_fname_str_dbg(smb_fname)));
*/
if (root_dir_fid != 0) {
+ struct smb_filename *smb_fname_out = NULL;
status = get_relative_fid_filename(conn, req, root_dir_fid,
- smb_fname);
+ smb_fname, &smb_fname_out);
if (!NT_STATUS_IS_OK(status)) {
goto fail;
}
+ smb_fname = smb_fname_out;
}
/*
* Check to see if this is a mac fork of some kind.
*/
- if (is_ntfs_stream_smb_fname(smb_fname)) {
+ stream_name = is_ntfs_stream_smb_fname(smb_fname);
+ if (stream_name) {
enum FAKE_FILE_TYPE fake_file_type;
fake_file_type = is_fake_file(smb_fname);
goto fail;
}
+ if (stream_name && is_ntfs_default_stream_smb_fname(smb_fname)) {
+ int ret;
+ smb_fname->stream_name = NULL;
+ /* We have to handle this error here. */
+ if (create_options & FILE_DIRECTORY_FILE) {
+ status = NT_STATUS_NOT_A_DIRECTORY;
+ goto fail;
+ }
+ if (lp_posix_pathnames()) {
+ ret = SMB_VFS_LSTAT(conn, smb_fname);
+ } else {
+ ret = SMB_VFS_STAT(conn, smb_fname);
+ }
+
+ if (ret == 0 && VALID_STAT_OF_DIR(smb_fname->st)) {
+ status = NT_STATUS_FILE_IS_A_DIRECTORY;
+ goto fail;
+ }
+ }
+
status = create_file_unixpath(
conn, req, smb_fname, access_mask, share_access,
create_disposition, create_options, file_attributes,
- oplock_request, allocation_size, sd, ea_list,
+ oplock_request, allocation_size, private_flags,
+ sd, ea_list,
&fsp, &info);
if (!NT_STATUS_IS_OK(status)) {
git.samba.org / samba.git / blobdiff