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smbd: qfilepathinfo has fixed/variable buffers

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The error message will have to change depending whether the buffer is
too small for the fixed or variable buffers

Bug: https://bugzilla.samba.org/show_bug.cgi?id=10106
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Volker Lendecke 2013-08-27 09:06:27 +00:00 committed by Jeremy Allison
parent e1843cd332
commit 5312399603
3 changed files with 25 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
source3/smbd/globals.h
View File

@ -138,6 +138,7 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
char *lock_data,
uint16_t flags2,
unsigned int max_data_bytes,
size_t *fixed_portion,
char **ppdata,
unsigned int *pdata_size);

2
source3/smbd/smb2_getinfo.c
View File

@ -293,6 +293,7 @@ static struct tevent_req *smbd_smb2_getinfo_send(TALLOC_CTX *mem_ctx,
struct ea_list *ea_list = NULL;
int lock_data_count = 0;
char *lock_data = NULL;
size_t fixed_portion;
ZERO_STRUCT(write_time_ts);
@ -380,6 +381,7 @@ static struct tevent_req *smbd_smb2_getinfo_send(TALLOC_CTX *mem_ctx,
lock_data,
STR_UNICODE,
in_output_buffer_length,
&fixed_portion,
&data,
&data_size);
if (!NT_STATUS_IS_OK(status)) {

22
source3/smbd/trans2.c
View File

@ -4388,6 +4388,7 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
char *lock_data,
uint16_t flags2,
unsigned int max_data_bytes,
size_t *fixed_portion,
char **ppdata,
unsigned int *pdata_size)
{
@ -4528,6 +4529,8 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
BasicFileInformationTest. -tpot */
file_index = get_FileIndex(conn, psbuf);
*fixed_portion = 0;
switch (info_level) {
case SMB_INFO_STANDARD:
DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_STANDARD\n"));
@ -4674,6 +4677,7 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
DEBUG(5,("write: %s ", ctime(&mtime)));
DEBUG(5,("change: %s ", ctime(&c_time)));
DEBUG(5,("mode: %x\n", mode));
*fixed_portion = data_size;
break;
case SMB_FILE_STANDARD_INFORMATION:
@ -4687,6 +4691,7 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
SCVAL(pdata,20,delete_pending?1:0);
SCVAL(pdata,21,(mode&FILE_ATTRIBUTE_DIRECTORY)?1:0);
SSVAL(pdata,22,0); /* Padding. */
*fixed_portion = 24;
break;
case SMB_FILE_EA_INFORMATION:
@ -4696,6 +4701,7 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
estimate_ea_size(conn, fsp, smb_fname);
DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_EA_INFORMATION\n"));
data_size = 4;
*fixed_portion = 4;
SIVAL(pdata,0,ea_size);
break;
}
@ -4717,6 +4723,7 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
STR_UNICODE);
data_size = 4 + len;
SIVAL(pdata,0,len);
*fixed_portion = 8;
break;
}
@ -4780,6 +4787,7 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
SIVAL(pdata,0,len);
pdata += 4 + len;
data_size = PTR_DIFF(pdata,(*ppdata));
*fixed_portion = 10;
break;
}
@ -4817,6 +4825,7 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
SIVAL(pdata,0,len);
pdata += 4 + len;
data_size = PTR_DIFF(pdata,(*ppdata));
*fixed_portion = 104;
break;
}
case SMB_FILE_INTERNAL_INFORMATION:
@ -4824,12 +4833,14 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_INTERNAL_INFORMATION\n"));
SBVAL(pdata, 0, file_index);
data_size = 8;
*fixed_portion = 8;
break;
case SMB_FILE_ACCESS_INFORMATION:
DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ACCESS_INFORMATION\n"));
SIVAL(pdata, 0, access_mask);
data_size = 4;
*fixed_portion = 4;
break;
case SMB_FILE_NAME_INFORMATION:
@ -4847,24 +4858,28 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_DISPOSITION_INFORMATION\n"));
data_size = 1;
SCVAL(pdata,0,delete_pending);
*fixed_portion = 1;
break;
case SMB_FILE_POSITION_INFORMATION:
DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_POSITION_INFORMATION\n"));
data_size = 8;
SOFF_T(pdata,0,pos);
*fixed_portion = 8;
break;
case SMB_FILE_MODE_INFORMATION:
DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_MODE_INFORMATION\n"));
SIVAL(pdata,0,mode);
data_size = 4;
*fixed_portion = 4;
break;
case SMB_FILE_ALIGNMENT_INFORMATION:
DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALIGNMENT_INFORMATION\n"));
SIVAL(pdata,0,0); /* No alignment needed. */
data_size = 4;
*fixed_portion = 4;
break;
/*
@ -4909,6 +4924,8 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
TALLOC_FREE(streams);
*fixed_portion = 32;
break;
}
case SMB_QUERY_COMPRESSION_INFO:
@ -4918,6 +4935,7 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
SIVAL(pdata,8,0); /* ??? */
SIVAL(pdata,12,0); /* ??? */
data_size = 16;
*fixed_portion = 16;
break;
case SMB_FILE_NETWORK_OPEN_INFORMATION:
@ -4931,6 +4949,7 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
SIVAL(pdata,48,mode);
SIVAL(pdata,52,0); /* ??? */
data_size = 56;
*fixed_portion = 56;
break;
case SMB_FILE_ATTRIBUTE_TAG_INFORMATION:
@ -4938,6 +4957,7 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
SIVAL(pdata,0,mode);
SIVAL(pdata,4,0);
data_size = 8;
*fixed_portion = 8;
break;
/*
@ -5211,6 +5231,7 @@ static void call_trans2qfilepathinfo(connection_struct *conn,
struct ea_list *ea_list = NULL;
int lock_data_count = 0;
char *lock_data = NULL;
size_t fixed_portion;
NTSTATUS status = NT_STATUS_OK;
if (!params) {
@ -5570,6 +5591,7 @@ total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pd
ea_list,
lock_data_count, lock_data,
req->flags2, max_data_bytes,
&fixed_portion,
ppdata, &data_size);
if (!NT_STATUS_IS_OK(status)) {
reply_nterror(req, status);