2 * ipforward value get function for solaris.
3 * Copyright (C) 1997 Kunihiro Ishiguro
5 * This file is part of GNU Zebra.
7 * GNU Zebra is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2, or (at your option) any
12 * GNU Zebra is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; see the file COPYING; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
30 #include "zebra/ipforward.h"
33 ** Solaris should define IP_DEV_NAME in <inet/ip.h>, but we'll save
34 ** configure.in changes for another day. We can use the same device
35 ** for both IPv4 and IPv6.
37 /* #include <inet/ip.h> */
39 #define IP_DEV_NAME "/dev/ip"
43 extern struct zebra_privs_t zserv_privs
;
45 /* This is a limited ndd style function that operates one integer
46 ** value only. Errors return -1. ND_SET commands return 0 on
47 ** success. ND_GET commands return the value on success (which could
48 ** be -1 and be confused for an error). The parameter is the string
49 ** name of the parameter being referenced.
52 static int solaris_nd(const int cmd
, const char *parameter
, const int value
)
54 #define ND_BUFFER_SIZE 1024
56 char nd_buf
[ND_BUFFER_SIZE
];
57 struct strioctl strioctl
;
58 const char *device
= IP_DEV_NAME
;
60 memset(nd_buf
, '\0', ND_BUFFER_SIZE
);
62 ** ND_SET takes a NULL delimited list of strings further terminated
63 ** buy a NULL. ND_GET returns a list in a similar layout, although
64 ** here we only use the first result.
67 snprintf(nd_buf
, ND_BUFFER_SIZE
, "%s%c%d%c", parameter
, '\0',
69 else if (cmd
== ND_GET
)
70 snprintf(nd_buf
, ND_BUFFER_SIZE
, "%s", parameter
);
73 "internal error - inappropriate command given to "
79 strioctl
.ic_cmd
= cmd
;
80 strioctl
.ic_timout
= 0;
81 strioctl
.ic_len
= ND_BUFFER_SIZE
;
82 strioctl
.ic_dp
= nd_buf
;
84 if (zserv_privs
.change(ZPRIVS_RAISE
))
85 zlog_err("solaris_nd: Can't raise privileges");
86 if ((fd
= open(device
, O_RDWR
)) < 0) {
87 zlog_warn("failed to open device %s - %s", device
,
88 safe_strerror(errno
));
89 if (zserv_privs
.change(ZPRIVS_LOWER
))
90 zlog_err("solaris_nd: Can't lower privileges");
93 if (ioctl(fd
, I_STR
, &strioctl
) < 0) {
94 int save_errno
= errno
;
95 if (zserv_privs
.change(ZPRIVS_LOWER
))
96 zlog_err("solaris_nd: Can't lower privileges");
98 zlog_warn("ioctl I_STR failed on device %s - %s", device
,
99 safe_strerror(save_errno
));
103 if (zserv_privs
.change(ZPRIVS_LOWER
))
104 zlog_err("solaris_nd: Can't lower privileges");
108 retval
= atoi(nd_buf
);
111 "failed to convert returned value to integer - %s",
112 safe_strerror(errno
));
121 static int solaris_nd_set(const char *parameter
, const int value
)
123 return solaris_nd(ND_SET
, parameter
, value
);
125 static int solaris_nd_get(const char *parameter
)
127 return solaris_nd(ND_GET
, parameter
, 0);
131 return solaris_nd_get("ip_forwarding");
134 int ipforward_on(void)
136 (void)solaris_nd_set("ip_forwarding", 1);
140 int ipforward_off(void)
142 (void)solaris_nd_set("ip_forwarding", 0);
145 int ipforward_ipv6(void)
147 return solaris_nd_get("ip6_forwarding");
149 int ipforward_ipv6_on(void)
151 (void)solaris_nd_set("ip6_forwarding", 1);
152 return ipforward_ipv6();
154 int ipforward_ipv6_off(void)
156 (void)solaris_nd_set("ip6_forwarding", 0);
157 return ipforward_ipv6();