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
|
/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Privilege Separation for dhcpcd, Solaris driver
* Copyright (c) 2006-2021 Roy Marples <roy@marples.name>
* All rights reserved
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/ioctl.h>
#include <errno.h>
#include <unistd.h>
#include "dhcpcd.h"
#include "logerr.h"
#include "privsep.h"
#warning Solaris privsep should compile but wont work,
#warning no DLPI support, ioctl support need rework
/* We should implement privileges(5) as well.
* https://illumos.org/man/5/privileges */
static ssize_t
ps_root_doioctl6(unsigned long req, void *data, size_t len)
{
int s, err;
s = socket(PF_INET6, SOCK_DGRAM, 0);
if (s != -1)
err = ioctl(s, req, data, len);
else
err = -1;
if (err == -1)
logerr(__func__);
if (s != -1)
close(s);
return err;
}
static ssize_t
ps_root_doroute(void *data, size_t len)
{
int s;
ssize_t err;
s = socket(PF_ROUTE, SOCK_RAW, 0);
if (s != -1)
err = write(s, data, len);
else
err = -1;
if (err == -1)
logerr(__func__);
if (s != -1)
close(s);
return err;
}
ssize_t
ps_root_os(struct ps_msghdr *psm, struct msghdr *msg,
void **rdata, size_t *rlen)
{
struct iovec *iov = msg->msg_iov;
void *data = iov->iov_base;
size_t len = iov->iov_len;
ssize_t err;
switch (psm->ps_cmd) {
case PS_IOCTL6:
err = ps_root_doioctl6(psm->ps_flags, data, len);
case PS_ROUTE:
return ps_root_doroute(data, len);
default:
errno = ENOTSUP;
return -1;
}
if (err != -1) {
*rdata = data;
*rlen = len;
}
return err;
}
ssize_t
ps_root_ioctl6(struct dhcpcd_ctx *ctx, unsigned long request, void *data, size_t len)
{
if (ps_sendcmd(ctx, ctx->ps_root_fd, PS_IOCTL6,
request, data, len) == -1)
return -1;
return ps_root_readerror(ctx, data, len);
}
ssize_t
ps_root_route(struct dhcpcd_ctx *ctx, void *data, size_t len)
{
if (ps_sendcmd(ctx, ctx->ps_root_fd, PS_ROUTE, 0, data, len) == -1)
return -1;
return ps_root_readerror(ctx, data, len);
}
|
