1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
Copyright (C) 1994 Free Software Foundation
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
The GNU Hurd is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with the GNU Hurd; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Written by Michael I. Bushnell. */
#include "priv.h"
#include "fs_S.h"
#include <fcntl.h>
/* Implement dir_mkfile as described in <hurd/fs.defs>. */
kern_return_t
diskfs_S_dir_mkfile (struct protid *cred,
int flags,
mode_t mode,
mach_port_t *newnode,
mach_msg_type_name_t *newnodetype)
{
struct node *dnp, *np;
error_t err;
if (!cred)
return EOPNOTSUPP;
if (diskfs_readonly)
return EROFS;
dnp = cred->po->np;
mutex_lock (&dnp->lock);
if (!S_ISDIR (dnp->dn_stat.st_mode))
{
mutex_unlock (&dnp->lock);
return ENOTDIR;
}
err = diskfs_access (dnp, S_IWRITE, cred);
if (err)
{
mutex_unlock (&dnp->lock);
return err;
}
mode &= ~(S_IFMT | S_ISPARE | S_ISVTX);
mode |= S_IFREG;
err = diskfs_create_node (dnp, 0, mode, &np, cred, 0);
mutex_unlock (&dnp->lock);
if (err)
return err;
flags &= (O_READ | O_WRITE | O_EXEC);
*newnode = (ports_get_right
(diskfs_make_protid
(diskfs_make_peropen (np, flags, cred->po->dotdotport),
cred->uids, cred->nuids,
cred->gids, cred->ngids)));
*newnodetype = MACH_MSG_TYPE_MAKE_SEND;
diskfs_nput (np);
return 0;
}
|
