aboutsummaryrefslogtreecommitdiff
path: root/networking/ip.c
blob: c7816c8cc88f0b9588d919127a85eeb1a2eb3f5c (plain)
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
/* vi: set sw=4 ts=4: */
/*
 * ip.c		"ip" utility frontend.
 *
 * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
 *
 * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
 *
 *
 * Changes:
 *
 * Rani Assaf <rani@magic.metawire.com> 980929:	resolve addresses
 * Bernhard Fischer rewrote to use index_in_substr_array
 */

#include "busybox.h"

#include "libiproute/utils.h"
#include "libiproute/ip_common.h"

#if ENABLE_FEATURE_IP_ADDRESS \
 || ENABLE_FEATURE_IP_ROUTE \
 || ENABLE_FEATURE_IP_LINK \
 || ENABLE_FEATURE_IP_TUNNEL \
 || ENABLE_FEATURE_IP_RULE

static int ATTRIBUTE_NORETURN ip_print_help(int ATTRIBUTE_UNUSED ac, char ATTRIBUTE_UNUSED **av)
{
	bb_show_usage();
}

static int (*ip_func)(int argc, char **argv) = ip_print_help;

static int ip_do(int argc, char **argv)
{
	ip_parse_common_args(&argc, &argv);
	return ip_func(argc-1, argv+1);
}

#if ENABLE_FEATURE_IP_ADDRESS
int ipaddr_main(int argc, char **argv);
int ipaddr_main(int argc, char **argv)
{
    ip_func = do_ipaddr;
    return ip_do(argc, argv);
}
#endif
#if ENABLE_FEATURE_IP_LINK
int iplink_main(int argc, char **argv);
int iplink_main(int argc, char **argv)
{
    ip_func = do_iplink;
    return ip_do(argc, argv);
}
#endif
#if ENABLE_FEATURE_IP_ROUTE
int iproute_main(int argc, char **argv);
int iproute_main(int argc, char **argv)
{
    ip_func = do_iproute;
    return ip_do(argc, argv);
}
#endif
#if ENABLE_FEATURE_IP_RULE
int iprule_main(int argc, char **argv);
int iprule_main(int argc, char **argv)
{
    ip_func = do_iprule;
    return ip_do(argc, argv);
}
#endif
#if ENABLE_FEATURE_IP_TUNNEL
int iptunnel_main(int argc, char **argv);
int iptunnel_main(int argc, char **argv)
{
    ip_func = do_iptunnel;
    return ip_do(argc, argv);
}
#endif


int ip_main(int argc, char **argv);
int ip_main(int argc, char **argv)
{
	const char * const keywords[] = {
		USE_FEATURE_IP_ADDRESS("address",)
		USE_FEATURE_IP_ROUTE("route",)
		USE_FEATURE_IP_LINK("link",)
		USE_FEATURE_IP_TUNNEL("tunnel", "tunl",)
		USE_FEATURE_IP_RULE("rule",)
		NULL
	};
	enum {
		USE_FEATURE_IP_ADDRESS(IP_addr,)
		USE_FEATURE_IP_ROUTE(IP_route,)
		USE_FEATURE_IP_LINK(IP_link,)
		USE_FEATURE_IP_TUNNEL(IP_tunnel, IP_tunl,)
		USE_FEATURE_IP_RULE(IP_rule,)
		IP_none
	};

	ip_parse_common_args(&argc, &argv);
	if (argc > 1) {
		int key = index_in_substr_array(keywords, argv[1]);
		argc -= 2;
		argv += 2;
#if ENABLE_FEATURE_IP_ADDRESS
		if (key == IP_addr)
			ip_func = do_ipaddr;
#endif
#if ENABLE_FEATURE_IP_ROUTE
		if (key == IP_route)
			ip_func = do_iproute;
#endif
#if ENABLE_FEATURE_IP_LINK
		if (key == IP_link)
			ip_func = do_iplink;
#endif
#if ENABLE_FEATURE_IP_TUNNEL
		if (key == IP_tunnel || key == IP_tunl)
			ip_func = do_iptunnel;
#endif
#if ENABLE_FEATURE_IP_RULE
		if (key == IP_rule)
			ip_func = do_iprule;
#endif
	}
	return (ip_func(argc, argv));
}

#endif /* any of ENABLE_FEATURE_IP_xxx is 1 */