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
18 * along with GNU Zebra; see the file COPYING. If not, write to the Free
19 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
28 #include "zebra/ipforward.h"
31 ** Solaris should define IP_DEV_NAME in <inet/ip.h>, but we'll save
32 ** configure.in changes for another day. We can use the same device
33 ** for both IPv4 and IPv6.
35 /* #include <inet/ip.h> */
37 #define IP_DEV_NAME "/dev/ip"
41 extern struct zebra_privs_t zserv_privs;
43 /* This is a limited ndd style function that operates one integer
44 ** value only. Errors return -1. ND_SET commands return 0 on
45 ** success. ND_GET commands return the value on success (which could
46 ** be -1 and be confused for an error). The parameter is the string
47 ** name of the parameter being referenced.
51 solaris_nd(const int cmd, const char* parameter, const int value)
53 #define ND_BUFFER_SIZE 1024
55 char nd_buf[ND_BUFFER_SIZE];
56 struct strioctl strioctl;
57 const char* device = IP_DEV_NAME;
59 memset(nd_buf, '\0', ND_BUFFER_SIZE);
61 ** ND_SET takes a NULL delimited list of strings further terminated
62 ** buy a NULL. ND_GET returns a list in a similar layout, although
63 ** here we only use the first result.
66 snprintf(nd_buf, ND_BUFFER_SIZE, "%s%c%d%c", parameter, '\0', value,'\0');
67 else if (cmd == ND_GET)
68 snprintf(nd_buf, ND_BUFFER_SIZE, "%s", parameter);
70 zlog_err("internal error - inappropriate command given to "
71 "solaris_nd()%s:%d", __FILE__, __LINE__);
75 strioctl.ic_cmd = cmd;
76 strioctl.ic_timout = 0;
77 strioctl.ic_len = ND_BUFFER_SIZE;
78 strioctl.ic_dp = nd_buf;
80 if ( zserv_privs.change (ZPRIVS_RAISE) )
81 zlog_err ("solaris_nd: Can't raise privileges");
82 if ((fd = open (device, O_RDWR)) < 0)
84 zlog_warn("failed to open device %s - %s", device, safe_strerror(errno));
85 if ( zserv_privs.change (ZPRIVS_LOWER) )
86 zlog_err ("solaris_nd: Can't lower privileges");
89 if (ioctl (fd, I_STR, &strioctl) < 0)
91 int save_errno = errno;
92 if ( zserv_privs.change (ZPRIVS_LOWER) )
93 zlog_err ("solaris_nd: Can't lower privileges");
95 zlog_warn("ioctl I_STR failed on device %s - %s",
96 device, safe_strerror(save_errno));
100 if ( zserv_privs.change (ZPRIVS_LOWER) )
101 zlog_err ("solaris_nd: Can't lower privileges");
106 retval = atoi(nd_buf);
109 zlog_warn("failed to convert returned value to integer - %s",
110 safe_strerror(errno));
122 solaris_nd_set(const char* parameter, const int value) {
123 return solaris_nd(ND_SET, parameter, value);
126 solaris_nd_get(const char* parameter) {
127 return solaris_nd(ND_GET, parameter, 0);
132 return solaris_nd_get("ip_forwarding");
138 (void) solaris_nd_set("ip_forwarding", 1);
145 (void) solaris_nd_set("ip_forwarding", 0);
149 int ipforward_ipv6(void)
151 return solaris_nd_get("ip6_forwarding");
154 ipforward_ipv6_on (void)
156 (void) solaris_nd_set("ip6_forwarding", 1);
157 return ipforward_ipv6();
160 ipforward_ipv6_off (void)
162 (void) solaris_nd_set("ip6_forwarding", 0);
163 return ipforward_ipv6();
165 #endif /* HAVE_IPV6 */