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-rw-r--r--source3/smbd/nttrans.c134
1 files changed, 70 insertions, 64 deletions
diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c
index 6681ce7de3..ef5f299c43 100644
--- a/source3/smbd/nttrans.c
+++ b/source3/smbd/nttrans.c
@@ -275,49 +275,49 @@ BOOL is_ntfs_stream_name(const char *fname)
return (strchr_m(fname, ':') != NULL) ? True : False;
}
+struct case_semantics_state {
+ connection_struct *conn;
+ BOOL case_sensitive;
+ BOOL case_preserve;
+ BOOL short_case_preserve;
+};
+
/****************************************************************************
- Save case statics.
+ Restore case semantics.
****************************************************************************/
-
-static BOOL saved_case_sensitive;
-static BOOL saved_case_preserve;
-static BOOL saved_short_case_preserve;
+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 uint32 set_posix_case_semantics(connection_struct *conn, uint32 file_attributes)
+static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
+ connection_struct *conn)
{
- if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
- return file_attributes;
+ struct case_semantics_state *result;
+
+ if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
+ DEBUG(0, ("talloc failed\n"));
+ return NULL;
}
- saved_case_sensitive = conn->case_sensitive;
- saved_case_preserve = conn->case_preserve;
- saved_short_case_preserve = conn->short_case_preserve;
+ 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;
- return (file_attributes & ~FILE_FLAG_POSIX_SEMANTICS);
-}
+ talloc_set_destructor(result, restore_case_semantics);
-/****************************************************************************
- Restore case semantics.
-****************************************************************************/
-
-static void restore_case_semantics(connection_struct *conn, uint32 file_attributes)
-{
- if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
- return;
- }
-
- conn->case_sensitive = saved_case_sensitive;
- conn->case_preserve = saved_case_preserve;
- conn->short_case_preserve = saved_short_case_preserve;
+ return result;
}
/****************************************************************************
@@ -487,7 +487,6 @@ int reply_ntcreate_and_X(connection_struct *conn,
uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
uint32 access_mask = IVAL(inbuf,smb_ntcreate_DesiredAccess);
uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
- uint32 new_file_attributes;
uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
@@ -507,6 +506,7 @@ int reply_ntcreate_and_X(connection_struct *conn,
BOOL extended_oplock_granted = False;
NTSTATUS status;
struct smb_request req;
+ struct case_semantics_state *case_state = NULL;
START_PROFILE(SMBntcreateX);
@@ -676,18 +676,21 @@ int reply_ntcreate_and_X(connection_struct *conn,
* Check if POSIX semantics are wanted.
*/
- new_file_attributes = set_posix_case_semantics(conn, file_attributes);
+ if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
+ case_state = set_posix_case_semantics(NULL, conn);
+ file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
+ }
status = unix_convert(conn, fname, False, NULL, &sbuf);
if (!NT_STATUS_IS_OK(status)) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
END_PROFILE(SMBntcreateX);
return ERROR_NT(status);
}
/* All file access must go through check_name() */
status = check_name(conn, fname);
if (!NT_STATUS_IS_OK(status)) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
END_PROFILE(SMBntcreateX);
return ERROR_NT(status);
}
@@ -706,7 +709,7 @@ int reply_ntcreate_and_X(connection_struct *conn,
&& (access_mask & DELETE_ACCESS)) {
if ((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY) ||
!can_delete_file_in_directory(conn, fname)) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
END_PROFILE(SMBntcreateX);
return ERROR_NT(NT_STATUS_ACCESS_DENIED);
}
@@ -714,10 +717,10 @@ int reply_ntcreate_and_X(connection_struct *conn,
#if 0
/* We need to support SeSecurityPrivilege for this. */
- if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY)) &&
+ if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY) &&
!user_has_privileges(current_user.nt_user_token,
&se_security)) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
END_PROFILE(SMBntcreateX);
return ERROR_NT(NT_STATUS_PRIVILEGE_NOT_HELD);
}
@@ -731,7 +734,7 @@ int reply_ntcreate_and_X(connection_struct *conn,
/* Can't open a temp directory. IFS kit test. */
if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
END_PROFILE(SMBntcreateX);
return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
}
@@ -742,10 +745,10 @@ int reply_ntcreate_and_X(connection_struct *conn,
share_access,
create_disposition,
create_options,
- new_file_attributes,
+ file_attributes,
&info, &fsp);
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
if(!NT_STATUS_IS_OK(status)) {
if (!use_nt_status() && NT_STATUS_EQUAL(
@@ -780,7 +783,7 @@ int reply_ntcreate_and_X(connection_struct *conn,
share_access,
create_disposition,
create_options,
- new_file_attributes,
+ file_attributes,
oplock_request,
&info, &fsp);
@@ -812,7 +815,7 @@ int reply_ntcreate_and_X(connection_struct *conn,
*/
if (create_options & FILE_NON_DIRECTORY_FILE) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
END_PROFILE(SMBntcreateX);
return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
}
@@ -824,11 +827,11 @@ int reply_ntcreate_and_X(connection_struct *conn,
share_access,
create_disposition,
create_options,
- new_file_attributes,
+ file_attributes,
&info, &fsp);
if(!NT_STATUS_IS_OK(status)) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
if (!use_nt_status() && NT_STATUS_EQUAL(
status, NT_STATUS_OBJECT_NAME_COLLISION)) {
status = NT_STATUS_DOS(ERRDOS, ERRfilexists);
@@ -837,7 +840,7 @@ int reply_ntcreate_and_X(connection_struct *conn,
return ERROR_NT(status);
}
} else {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
END_PROFILE(SMBntcreateX);
if (open_was_deferred(SVAL(inbuf,smb_mid))) {
/* We have re-scheduled this call. */
@@ -848,7 +851,7 @@ int reply_ntcreate_and_X(connection_struct *conn,
}
}
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
file_len = sbuf.st_size;
fattr = dos_mode(conn,fname,&sbuf);
@@ -1198,7 +1201,6 @@ static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *o
uint32 flags;
uint32 access_mask;
uint32 file_attributes;
- uint32 new_file_attributes;
uint32 share_access;
uint32 create_disposition;
uint32 create_options;
@@ -1214,6 +1216,7 @@ static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *o
NTSTATUS status;
size_t param_len;
struct smb_request req;
+ struct case_semantics_state *case_state = NULL;
DEBUG(5,("call_nt_transact_create\n"));
@@ -1372,12 +1375,15 @@ static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *o
/*
* Check if POSIX semantics are wanted.
*/
+
+ if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
+ case_state = set_posix_case_semantics(NULL, conn);
+ file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
+ }
- new_file_attributes = set_posix_case_semantics(conn, file_attributes);
-
status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, fname);
if (!NT_STATUS_IS_OK(status)) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
}
@@ -1386,13 +1392,13 @@ static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *o
status = unix_convert(conn, fname, False, NULL, &sbuf);
if (!NT_STATUS_IS_OK(status)) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
return ERROR_NT(status);
}
/* All file access must go through check_name() */
status = check_name(conn, fname);
if (!NT_STATUS_IS_OK(status)) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
return ERROR_NT(status);
}
@@ -1410,17 +1416,17 @@ static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *o
&& (access_mask & DELETE_ACCESS)) {
if ((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY) ||
!can_delete_file_in_directory(conn, fname)) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
return ERROR_NT(NT_STATUS_ACCESS_DENIED);
}
}
#if 0
/* We need to support SeSecurityPrivilege for this. */
- if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY)) &&
+ if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY) &&
!user_has_privileges(current_user.nt_user_token,
&se_security)) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
return ERROR_NT(NT_STATUS_PRIVILEGE_NOT_HELD);
}
#endif
@@ -1432,7 +1438,7 @@ static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *o
ea_list = read_nttrans_ea_list(tmp_talloc_ctx(), pdata,
ea_len);
if (!ea_list ) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
}
}
@@ -1445,7 +1451,7 @@ static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *o
/* Can't open a temp directory. IFS kit test. */
if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
}
@@ -1461,10 +1467,10 @@ static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *o
share_access,
create_disposition,
create_options,
- new_file_attributes,
+ file_attributes,
&info, &fsp);
if(!NT_STATUS_IS_OK(status)) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
return ERROR_NT(status);
}
@@ -1479,7 +1485,7 @@ static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *o
share_access,
create_disposition,
create_options,
- new_file_attributes,
+ file_attributes,
oplock_request,
&info, &fsp);
@@ -1492,7 +1498,7 @@ static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *o
*/
if (create_options & FILE_NON_DIRECTORY_FILE) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
}
@@ -1503,14 +1509,14 @@ static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *o
share_access,
create_disposition,
create_options,
- new_file_attributes,
+ file_attributes,
&info, &fsp);
if(!NT_STATUS_IS_OK(status)) {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
return ERROR_NT(status);
}
} else {
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
if (open_was_deferred(SVAL(inbuf,smb_mid))) {
/* We have re-scheduled this call. */
return -1;
@@ -1542,7 +1548,7 @@ static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *o
if (!NT_STATUS_IS_OK(status)) {
talloc_destroy(ctx);
close_file(fsp,ERROR_CLOSE);
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
return ERROR_NT(status);
}
fsp->access_mask = saved_access_mask;
@@ -1552,12 +1558,12 @@ static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *o
status = set_ea(conn, fsp, fname, ea_list);
if (!NT_STATUS_IS_OK(status)) {
close_file(fsp,ERROR_CLOSE);
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
return ERROR_NT(status);
}
}
- restore_case_semantics(conn, file_attributes);
+ TALLOC_FREE(case_state);
file_len = sbuf.st_size;
fattr = dos_mode(conn,fname,&sbuf);