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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/*
* Copyright (C) 1993-2001 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/socket.h>
#include <sys/conf.h>
#include <sys/syslog.h>
#include <sys/buf.h>
#include <sys/mbuf.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
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_var.h>
#include <netinet/tcp.h>
#include <netinet/tcpip.h>
#include <net/if.h>
#include "ipl.h"
#include "ip_compat.h"
#include "ip_fil.h"
#if !defined(lint)
static const char sccsid[] = "@(#)mls_ipl.c 2.6 10/15/95 (C) 1993-2000 Darren Reed";
static const char rcsid[] = "@(#)$Id: mls_ipl.c,v 2.2.2.2 2002/04/10 05:05:54 darrenr Exp $";
#endif
extern int ipldetach __P((void));
#ifndef IPFILTER_LOG
#define iplread nulldev
#endif
extern int nulldev __P((void));
extern int errno;
extern int iplidentify __P((char *));
extern int nodev __P((void));
static int unload __P((void));
static int ipl_attach __P((void));
int xxxinit __P((u_int, struct vddrv *, caddr_t, struct vdstat *));
static char *ipf_devfiles[] = { IPL_NAME, IPL_NAT, IPL_STATE, IPL_AUTH,
NULL };
struct cdevsw ipldevsw =
{
iplopen, iplclose, iplread, nulldev,
iplioctl, nulldev, nulldev, nulldev,
0, nulldev,
};
struct dev_ops ipl_ops =
{
1,
iplidentify,
iplattach,
iplopen,
iplclose,
iplread,
NULL, /* write */
NULL, /* strategy */
NULL, /* dump */
0, /* psize */
iplioctl,
NULL, /* reset */
NULL /* mmap */
};
int ipl_major = 0;
#ifdef sun4m
struct vdldrv vd =
{
VDMAGIC_PSEUDO,
IPL_VERSION,
&ipl_ops,
NULL,
&ipldevsw,
0,
0,
NULL,
NULL,
NULL,
0,
1,
};
#else /* sun4m */
struct vdldrv vd =
{
VDMAGIC_PSEUDO, /* magic */
IPL_VERSION,
#ifdef sun4c
&ipl_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 */
&ipldevsw, /* cdevsw */
0, /* block major */
0, /* char major */
};
#endif /* sun4m */
extern int vd_unuseddev __P((void));
extern struct cdevsw cdevsw[];
extern int nchrdev;
xxxinit(fc, vdp, data, vds)
u_int fc;
struct vddrv *vdp;
caddr_t data;
struct vdstat *vds;
{
struct vdioctl_load *vdi = (struct vdioctl_load *)data;
switch (fc)
{
case VDLOAD:
{
struct vdconf *vdc;
if (vdi && vdi->vdi_userconf)
for (vdc = vdi->vdi_userconf; vdc->vdc_type; vdc++)
if (vdc->vdc_type == VDCCHARMAJOR) {
ipl_major = vdc->vdc_data;
break;
}
if (!ipl_major) {
while (ipl_major < nchrdev &&
cdevsw[ipl_major].d_open != vd_unuseddev)
ipl_major++;
if (ipl_major == nchrdev)
return ENODEV;
}
vdp->vdd_vdtab = (struct vdlinkage *)&vd;
vd.Drv_charmajor = ipl_major;
return ipl_attach();
}
case VDUNLOAD:
return unload();
case VDSTAT:
return 0;
default:
return EIO;
}
}
static int unload()
{
char *name;
int err, i;
err = ipldetach();
if (err)
return err;
for (i = 0; (name = ipf_devfiles[i]); i++)
(void) vn_remove(name, UIO_SYSSPACE, FILE);
return 0;
}
static int ipl_attach()
{
struct vnode *vp;
struct vattr vattr;
int error = 0, fmode = S_IFCHR|0600, i;
char *name;
error = iplattach();
if (error)
return error;
for (i = 0; (name = ipf_devfiles[i]); i++) {
(void) vn_remove(name, UIO_SYSSPACE, FILE);
vattr_null(&vattr);
vattr.va_type = MFTOVT(fmode);
vattr.va_mode = (fmode & 07777);
vattr.va_rdev = (ipl_major << 8) | i;
error = vn_create(name, UIO_SYSSPACE, &vattr, EXCL, 0, &vp);
if (error) {
printf("IP Filter: vn_create(%s) = %d\n", name, error);
break;
} else {
VN_RELE(vp);
}
}
return error;
}
|
