0ad4db4fad
we regretfully had to remove our git history for licensing reasons Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
86 lines
3.2 KiB
C
86 lines
3.2 KiB
C
/* Copyright (c) 2010
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* The Regents of the University of Michigan
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* All Rights Reserved
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*
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* Permission is granted to use, copy and redistribute this software
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* for noncommercial education and research purposes, so long as no
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* fee is charged, and so long as the name of the University of Michigan
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* is not used in any advertising or publicity pertaining to the use
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* or distribution of this software without specific, written prior
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* authorization. Permission to modify or otherwise create derivative
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* works of this software is not granted.
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*
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* This software is provided as is, without representation or warranty
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* of any kind either express or implied, including without limitation
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* the implied warranties of merchantability, fitness for a particular
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* purpose, or noninfringement. The Regents of the University of
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* Michigan shall not be liable for any damages, including special,
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* indirect, incidental, or consequential damages, with respect to any
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* claim arising out of or in connection with the use of the software,
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* even if it has been or is hereafter advised of the possibility of
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* such damages.
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*/
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#include <Windows.h>
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#include <stdio.h>
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#include "nfs41_ops.h"
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#include "from_kernel.h"
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#include "upcall.h"
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#include "util.h"
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#include "daemon_debug.h"
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int parse_volume(unsigned char *buffer, uint32_t length, nfs41_upcall *upcall)
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{
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int status;
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volume_upcall_args *args = &upcall->args.volume;
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status = safe_read(&buffer, &length, &args->root, sizeof(HANDLE));
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if (status)
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eprintf("parsing NFS41_VOLUME_QUERY failed with %d\n",
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status);
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else
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dprintf(1, "parsing NFS41_VOLUME_QUERY: root=0x%p\n", args->root);
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return status;
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}
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int handle_volume(nfs41_upcall *upcall)
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{
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nfs41_file_info info = { 0 };
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bitmap4 attr_request = { 2, { 0, FATTR4_WORD1_SPACE_AVAIL |
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FATTR4_WORD1_SPACE_FREE | FATTR4_WORD1_SPACE_TOTAL } };
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volume_upcall_args *args = &upcall->args.volume;
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int status;
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/* query the space_ attributes of the root filesystem */
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status = nfs41_getattr(nfs41_root_session(args->root),
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NULL, &attr_request, &info);
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if (status) {
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eprintf("nfs41_getattr() failed with %s\n",
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nfs_error_string(status));
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status = nfs_to_windows_error(status, ERROR_BAD_NET_RESP);
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goto out;
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}
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args->total = info.space_total; /* total disk space in bytes */
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args->user = info.space_avail; /* bytes available to this user */
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args->avail = info.space_free; /* free disk space in bytes */
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dprintf(2, "Volume: %llu user, %llu free of %llu total\n",
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args->user, args->avail, args->total);
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out:
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return status;
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}
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int marshall_volume(unsigned char *buffer, uint32_t *length, nfs41_upcall *upcall)
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{
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int status;
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volume_upcall_args *args = &upcall->args.volume;
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status = safe_write(&buffer, length, &args->total, sizeof(args->total));
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if (status) goto out;
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status = safe_write(&buffer, length, &args->user, sizeof(args->user));
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if (status) goto out;
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status = safe_write(&buffer, length, &args->avail, sizeof(args->avail));
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out:
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return status;
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}
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