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volume: daemon handles FileFsAttributeInformation

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added FILE_FS_ATTRIBUTE_INFORMATION and FileSystemAttributes flags to from_kernel.h
queries case_preserving, case_insensitive attributes to fill in FileSystemAttributes, and uses #defines from nfs41_const.h for MaximumComponentNameLength and FileSystemName

Signed-off-by: Casey Bodley <cbodley@umich.edu>
This commit is contained in:
Casey Bodley 2010-10-11 16:12:20 -04:00
parent c13ed30b9a
commit d38360672d
6 changed files with 109 additions and 2 deletions
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58
daemon/volume.c
View file

@ -22,6 +22,7 @@
*/
#include <Windows.h>
#include <strsafe.h>
#include <stdio.h>
#include "nfs41_ops.h"
@ -88,6 +89,59 @@ out:
return status;
}
static int handle_volume_attributes(
IN nfs41_session *session,
IN volume_upcall_args *args)
{
/* query the case_ attributes of the root filesystem */
nfs41_file_info info = { 0 };
bitmap4 attr_request = { 1, { FATTR4_WORD0_CASE_INSENSITIVE |
FATTR4_WORD0_CASE_PRESERVING } };
PFILE_FS_ATTRIBUTE_INFORMATION attr = &args->info.attribute;
size_t max_length;
int status = NO_ERROR;
status = nfs41_getattr(session, NULL, &attr_request, &info);
if (status) {
eprintf("nfs41_getattr() failed with %s\n",
nfs_error_string(status));
status = nfs_to_windows_error(status, ERROR_BAD_NET_RESP);
goto out;
}
attr->FileSystemAttributes = FILE_SUPPORTS_REMOTE_STORAGE;
if (info.case_preserving)
attr->FileSystemAttributes |= FILE_CASE_PRESERVED_NAMES;
if (!info.case_insensitive)
attr->FileSystemAttributes |= FILE_CASE_SENSITIVE_SEARCH;
attr->MaximumComponentNameLength = NFS41_MAX_COMPONENT_LEN;
/* calculate how much space we have for FileSystemName; args.info.buffer
* should guarantee us enough room for NFS41_FILESYSTEM_NAME */
max_length = sizeof(args->info) -
FIELD_OFFSET(FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName);
if (FAILED(StringCbCopyNW(attr->FileSystemName, max_length,
NFS41_FILESYSTEM_NAME, NFS41_FILESYSTEM_NAME_LEN))) {
status = ERROR_BUFFER_OVERFLOW;
eprintf("FileSystemName '%S' truncated to '%S'! returning %d\n",
NFS41_FILESYSTEM_NAME, attr->FileSystemName, status);
goto out;
}
attr->FileSystemNameLength = NFS41_FILESYSTEM_NAME_LEN;
args->len = sizeof(args->info.attribute) + NFS41_FILESYSTEM_NAME_LEN;
dprintf(2, "FileFsAttributeInformation: case_preserving %u, "
"case_insensitive %u, max component %u, name '%S', length %u\n",
info.case_preserving, info.case_insensitive,
attr->MaximumComponentNameLength,
attr->FileSystemName, attr->FileSystemNameLength);
out:
return status;
}
int handle_volume(nfs41_upcall *upcall)
{
volume_upcall_args *args = &upcall->args.volume;
@ -117,6 +171,10 @@ int handle_volume(nfs41_upcall *upcall)
&args->info.fullsize.ActualAvailableAllocationUnits.QuadPart);
break;
case FileFsAttributeInformation:
status = handle_volume_attributes(session, args);
break;
default:
eprintf("unhandled fs query class %d\n", args->query);
status = ERROR_INVALID_PARAMETER;