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Commit | Line | Data |
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718e3744 | 1 | /* |
2 | * ipforward value get function for solaris. | |
3 | * Copyright (C) 1997 Kunihiro Ishiguro | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
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 | |
10 | * later version. | |
11 | * | |
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. | |
16 | * | |
896014f4 DL |
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 | |
718e3744 | 20 | */ |
21 | ||
22 | #include <zebra.h> | |
ddfeb486 DL |
23 | |
24 | #ifdef SUNOS_5 | |
25 | ||
269c67c5 | 26 | #include "log.h" |
edd7c245 | 27 | #include "prefix.h" |
174482ef | 28 | #include "lib_errors.h" |
718e3744 | 29 | |
9bcdb638 | 30 | #include "privs.h" |
a1ac18c4 | 31 | #include "zebra/ipforward.h" |
9bcdb638 | 32 | |
269c67c5 | 33 | /* |
34 | ** Solaris should define IP_DEV_NAME in <inet/ip.h>, but we'll save | |
35 | ** configure.in changes for another day. We can use the same device | |
36 | ** for both IPv4 and IPv6. | |
37 | */ | |
38 | /* #include <inet/ip.h> */ | |
39 | #ifndef IP_DEV_NAME | |
40 | #define IP_DEV_NAME "/dev/ip" | |
41 | #endif | |
9bcdb638 | 42 | |
edd7c245 | 43 | |
44 | extern struct zebra_privs_t zserv_privs; | |
45 | ||
9bcdb638 | 46 | /* This is a limited ndd style function that operates one integer |
269c67c5 | 47 | ** value only. Errors return -1. ND_SET commands return 0 on |
48 | ** success. ND_GET commands return the value on success (which could | |
49 | ** be -1 and be confused for an error). The parameter is the string | |
50 | ** name of the parameter being referenced. | |
51 | */ | |
718e3744 | 52 | |
d62a17ae | 53 | static int solaris_nd(const int cmd, const char *parameter, const int value) |
718e3744 | 54 | { |
269c67c5 | 55 | #define ND_BUFFER_SIZE 1024 |
d62a17ae | 56 | int fd; |
57 | char nd_buf[ND_BUFFER_SIZE]; | |
58 | struct strioctl strioctl; | |
59 | const char *device = IP_DEV_NAME; | |
60 | int retval; | |
61 | memset(nd_buf, '\0', ND_BUFFER_SIZE); | |
62 | /* | |
63 | ** ND_SET takes a NULL delimited list of strings further terminated | |
64 | ** buy a NULL. ND_GET returns a list in a similar layout, although | |
65 | ** here we only use the first result. | |
66 | */ | |
67 | if (cmd == ND_SET) | |
68 | snprintf(nd_buf, ND_BUFFER_SIZE, "%s%c%d%c", parameter, '\0', | |
69 | value, '\0'); | |
70 | else if (cmd == ND_GET) | |
71 | snprintf(nd_buf, ND_BUFFER_SIZE, "%s", parameter); | |
72 | else { | |
09c866e3 QY |
73 | flog_err_sys(LIB_ERR_SYSTEM_CALL, |
74 | "internal error - inappropriate command given to " | |
75 | "solaris_nd()%s:%d", | |
76 | __FILE__, __LINE__); | |
d62a17ae | 77 | return -1; |
78 | } | |
edd7c245 | 79 | |
d62a17ae | 80 | strioctl.ic_cmd = cmd; |
81 | strioctl.ic_timout = 0; | |
82 | strioctl.ic_len = ND_BUFFER_SIZE; | |
83 | strioctl.ic_dp = nd_buf; | |
84 | ||
01b9e3fd DL |
85 | frr_elevate_privs(&zserv_privs) { |
86 | if ((fd = open(device, O_RDWR)) < 0) { | |
87 | zlog_warn("failed to open device %s - %s", device, | |
88 | safe_strerror(errno)); | |
89 | return -1; | |
90 | } | |
91 | if (ioctl(fd, I_STR, &strioctl) < 0) { | |
92 | close(fd); | |
93 | zlog_warn("ioctl I_STR failed on device %s - %s", | |
94 | device, | |
95 | safe_strerror(errno)); | |
96 | return -1; | |
97 | } | |
d62a17ae | 98 | close(fd); |
d62a17ae | 99 | } |
d62a17ae | 100 | |
101 | if (cmd == ND_GET) { | |
102 | errno = 0; | |
103 | retval = atoi(nd_buf); | |
104 | if (errno) { | |
105 | zlog_warn( | |
106 | "failed to convert returned value to integer - %s", | |
107 | safe_strerror(errno)); | |
108 | retval = -1; | |
109 | } | |
110 | } else { | |
111 | retval = 0; | |
112 | } | |
113 | return retval; | |
269c67c5 | 114 | } |
718e3744 | 115 | |
d62a17ae | 116 | static int solaris_nd_set(const char *parameter, const int value) |
117 | { | |
118 | return solaris_nd(ND_SET, parameter, value); | |
269c67c5 | 119 | } |
d62a17ae | 120 | static int solaris_nd_get(const char *parameter) |
121 | { | |
122 | return solaris_nd(ND_GET, parameter, 0); | |
269c67c5 | 123 | } |
d62a17ae | 124 | int ipforward(void) |
269c67c5 | 125 | { |
d62a17ae | 126 | return solaris_nd_get("ip_forwarding"); |
718e3744 | 127 | } |
128 | ||
d62a17ae | 129 | int ipforward_on(void) |
718e3744 | 130 | { |
d62a17ae | 131 | (void)solaris_nd_set("ip_forwarding", 1); |
132 | return ipforward(); | |
718e3744 | 133 | } |
134 | ||
d62a17ae | 135 | int ipforward_off(void) |
718e3744 | 136 | { |
d62a17ae | 137 | (void)solaris_nd_set("ip_forwarding", 0); |
138 | return ipforward(); | |
269c67c5 | 139 | } |
a1ac18c4 | 140 | int ipforward_ipv6(void) |
269c67c5 | 141 | { |
d62a17ae | 142 | return solaris_nd_get("ip6_forwarding"); |
269c67c5 | 143 | } |
d62a17ae | 144 | int ipforward_ipv6_on(void) |
269c67c5 | 145 | { |
d62a17ae | 146 | (void)solaris_nd_set("ip6_forwarding", 1); |
147 | return ipforward_ipv6(); | |
269c67c5 | 148 | } |
d62a17ae | 149 | int ipforward_ipv6_off(void) |
269c67c5 | 150 | { |
d62a17ae | 151 | (void)solaris_nd_set("ip6_forwarding", 0); |
152 | return ipforward_ipv6(); | |
718e3744 | 153 | } |
ddfeb486 DL |
154 | |
155 | #endif /* SUNOS_5 */ |