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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/* $FreeBSD$ */
/*
* Copyright (C) 2012 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*/
/*
* 29/12/94 Added code from Marc Huber <huber@fzi.de> to allow it to allocate
* its own major char number! Way cool patch!
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/file.h>
#include <sys/conf.h>
#include <sys/syslog.h>
#include <sys/buf.h>
#include <sys/param.h>
#include <sys/errno.h>
#include <sys/uio.h>
#include <sys/vnode.h>
#include <sundev/mbvar.h>
#include <sun/autoconf.h>
#include <sun/vddrv.h>
#if defined(sun4c) || defined(sun4m)
#include <sun/openprom.h>
#endif
#ifndef IPL_NAME
#define IPL_NAME "/dev/ipf"
#endif
extern int ipfattach(), ipfopen(), ipfclose(), ipfioctl(), ipfread();
extern int nulldev(), ipfidentify(), errno;
struct cdevsw ipfdevsw =
{
ipfopen, ipfclose, ipfread, nulldev,
ipfioctl, nulldev, nulldev, nulldev,
0, nulldev,
};
struct dev_ops ipf_ops =
{
1,
ipfidentify,
ipfattach,
ipfopen,
ipfclose,
ipfread,
NULL, /* write */
NULL, /* strategy */
NULL, /* dump */
0, /* psize */
ipfioctl,
NULL, /* reset */
NULL /* mmap */
};
int ipf_major = 0;
#ifdef sun4m
struct vdldrv vd =
{
VDMAGIC_PSEUDO,
"ipf",
&ipf_ops,
NULL,
&ipfdevsw,
0,
0,
NULL,
NULL,
NULL,
0,
1,
};
#else /* sun4m */
struct vdldrv vd =
{
VDMAGIC_PSEUDO, /* magic */
"ipf", /* name */
#ifdef sun4c
&ipf_ops, /* dev_ops */
#else
NULL, /* struct mb_ctlr *mb_ctlr */
NULL, /* struct mb_driver *mb_driver */
NULL, /* struct mb_device *mb_device */
0, /* num ctlrs */
1, /* numdevs */
#endif /* sun4c */
NULL, /* bdevsw */
&ipfdevsw, /* cdevsw */
0, /* block major */
0, /* char major */
};
#endif /* sun4m */
extern int vd_unuseddev();
extern struct cdevsw cdevsw[];
extern int nchrdev;
xxxinit(fc, vdp, vdi, vds)
u_int fc;
struct vddrv *vdp;
caddr_t vdi;
struct vdstat *vds;
{
struct vdlinkage *v;
int i;
switch (fc)
{
case VDLOAD:
while (ipf_major < nchrdev &&
cdevsw[ipf_major].d_open != vd_unuseddev)
ipf_major++;
if (ipf_major == nchrdev)
return ENODEV;
vd.Drv_charmajor = ipf_major;
vdp->vdd_vdtab = (struct vdlinkage *)&vd;
return ipf_attach(vdi);
case VDUNLOAD:
return unload(vdp, vdi);
case VDSTAT:
return 0;
default:
return EIO;
}
}
static unload(vdp, vdi)
struct vddrv *vdp;
struct vdioctl_unload *vdi;
{
int i;
(void) vn_remove(IPL_NAME, UIO_SYSSPACE, FILE);
return ipfdetach();
}
static int ipf_attach(vdi)
struct vdioctl_load *vdi;
{
struct vnode *vp;
struct vattr vattr;
int error = 0, fmode = S_IFCHR|0600;
(void) vn_remove(IPL_NAME, UIO_SYSSPACE, FILE);
vattr_null(&vattr);
vattr.va_type = MFTOVT(fmode);
vattr.va_mode = (fmode & 07777);
vattr.va_rdev = ipf_major<<8;
error = vn_create(IPL_NAME, UIO_SYSSPACE, &vattr, EXCL, 0, &vp);
if (error == 0)
VN_RELE(vp);
return ipfattach(0);
}
|