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smbd: Implement SMB2_FILE_POSIX_INFORMATION in smbd_marshall_dir_entry

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Signed-off-by: David Mulder <dmulder@suse.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
This commit is contained in:
David Mulder 2022-06-17 15:06:29 -06:00 committed by Volker Lendecke
parent 7c2f08d564
commit 08226d6c2e
1 changed files with 66 additions and 0 deletions
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66
source3/smbd/smb2_trans2.c
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@ -1904,6 +1904,72 @@ static NTSTATUS smbd_marshall_dir_entry(TALLOC_CTX *ctx,
break;
/* SMB2 UNIX Extension. */
case SMB2_FILE_POSIX_INFORMATION:
{
uint8_t *buf = NULL;
ssize_t plen = 0;
p+= 4;
SIVAL(p,0,reskey); p+= 4;
DEBUG(10,("smbd_marshall_dir_entry: "
"SMB2_FILE_POSIX_INFORMATION\n"));
if (!(conn->sconn->using_smb2)) {
return NT_STATUS_INVALID_LEVEL;
}
if (!lp_smb3_unix_extensions()) {
return NT_STATUS_INVALID_LEVEL;
}
/* Determine the size of the posix info context */
plen = store_smb2_posix_info(conn,
&smb_fname->st,
0,
mode,
NULL,
0);
if (plen == -1) {
return NT_STATUS_INVALID_PARAMETER;
}
buf = talloc_zero_size(ctx, plen);
if (buf == NULL) {
return NT_STATUS_NO_MEMORY;
}
/* Store the context in buf */
store_smb2_posix_info(conn,
&smb_fname->st,
0,
mode,
buf,
plen);
memcpy(p, buf, plen);
p += plen;
TALLOC_FREE(buf);
nameptr = p;
p += 4;
status = srvstr_push(base_data, flags2, p, fname,
PTR_DIFF(end_data, p), 0, &len);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
SIVAL(nameptr, 0, len);
p += len;
len = PTR_DIFF(p, pdata);
pad = (len + (align-1)) & ~(align-1);
/*
* offset to the next entry, the caller
* will overwrite it for the last entry
* that's why we always include the padding
*/
SIVAL(pdata,0,pad);
break;
}
default:
return NT_STATUS_INVALID_LEVEL;
}