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symlink: daemon parses SYMLINK upcall

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added symlink.c for parse_symlink() and marshall_symlink()

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2010-09-23 12:32:56 -04:00 • committed by unknown
parent 80d979ace6
commit 0db42ed126
6 changed files with 105 additions and 0 deletions
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daemon/symlink.c Normal file
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/* Copyright (c) 2010
* The Regents of the University of Michigan
* All Rights Reserved
*
* Permission is granted to use, copy, create derivative works, and
* redistribute this software and such derivative works for any purpose,
* so long as the name of the University of Michigan is not used in
* any advertising or publicity pertaining to the use or distribution
* of this software without specific, written prior authorization. If
* the above copyright notice or any other identification of the
* University of Michigan is included in any copy of any portion of
* this software, then the disclaimer below must also be included.
*
* This software is provided as is, without representation or warranty
* of any kind either express or implied, including without limitation
* the implied warranties of merchantability, fitness for a particular
* purpose, or noninfringement. The Regents of the University of
* Michigan shall not be liable for any damages, including special,
* indirect, incidental, or consequential damages, with respect to any
* claim arising out of or in connection with the use of the software,
* even if it has been or is hereafter advised of the possibility of
* such damages.
*/
#include <Windows.h>
#include <strsafe.h>
#include "upcall.h"
#include "util.h"
#include "daemon_debug.h"
/* NFS41_SYMLINK */
int parse_symlink(unsigned char *buffer, uint32_t length, nfs41_upcall *upcall)
{
symlink_upcall_args *args = &upcall->args.symlink;
int status;
status = safe_read(&buffer, &length, &args->root, sizeof(HANDLE));
if (status) goto out;
status = safe_read(&buffer, &length, &args->state, sizeof(nfs41_open_state *));
if (status) goto out;
status = get_name(&buffer, &length, &args->path);
if (status) goto out;
status = safe_read(&buffer, &length, &args->set, sizeof(BOOLEAN));
if (status) goto out;
if (args->set)
status = get_name(&buffer, &length, &args->target_set);
else
args->target_set = NULL;
dprintf(1, "parsing NFS41_SYMLINK: root=0x%p open_state=0x%p "
"path='%s' set=%u target='%s'\n", args->root, args->state,
args->path, args->set, args->target_set);
out:
return status;
}
int handle_symlink(nfs41_upcall *upcall)
{
return NO_ERROR;
}
int marshall_symlink(unsigned char *buffer, uint32_t *length, nfs41_upcall *upcall)
{
symlink_upcall_args *args = &upcall->args.symlink;
unsigned short len = (args->target_get.len + 1) * sizeof(WCHAR);
int status = NO_ERROR;
if (args->set)
goto out;
status = safe_write(&buffer, length, &len, sizeof(len));
if (status) goto out;
if (*length <= len || !MultiByteToWideChar(CP_UTF8, 0,
args->target_get.path, args->target_get.len,
(LPWSTR)buffer, len / sizeof(WCHAR))) {
status = ERROR_BUFFER_OVERFLOW;
goto out;
}
out:
return status;
}