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Commit | Line | Data |
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d04bc300 SH |
1 | /* |
2 | * Get/set/delete bridge with netlink | |
3 | * | |
4 | * Authors: Stephen Hemminger <shemminger@vyatta.com> | |
5 | */ | |
6 | ||
7 | #include <stdio.h> | |
8 | #include <stdlib.h> | |
9 | #include <unistd.h> | |
10 | #include <sys/socket.h> | |
11 | #include <string.h> | |
9de8c6d9 | 12 | #include <errno.h> |
d04bc300 SH |
13 | |
14 | #include "SNAPSHOT.h" | |
15 | #include "utils.h" | |
16 | #include "br_common.h" | |
527910c8 | 17 | #include "namespace.h" |
d04bc300 SH |
18 | |
19 | struct rtnl_handle rth = { .fd = -1 }; | |
0849e60a | 20 | int preferred_family = AF_UNSPEC; |
d04bc300 | 21 | int resolve_hosts; |
ec7aff5c | 22 | int oneline; |
d04bc300 SH |
23 | int show_stats; |
24 | int show_details; | |
a2f7934d | 25 | int compress_vlans; |
d04bc300 | 26 | int timestamp; |
9de8c6d9 WK |
27 | char *batch_file; |
28 | int force; | |
ec7aff5c | 29 | const char *_SL_; |
d04bc300 SH |
30 | |
31 | static void usage(void) __attribute__((noreturn)); | |
32 | ||
33 | static void usage(void) | |
34 | { | |
35 | fprintf(stderr, | |
90698170 | 36 | "Usage: bridge [ OPTIONS ] OBJECT { COMMAND | help }\n" |
9de8c6d9 | 37 | " bridge [ -force ] -batch filename\n" |
ec7aff5c SH |
38 | "where OBJECT := { link | fdb | mdb | vlan | monitor }\n" |
39 | " OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] |\n" | |
40 | " -o[neline] | -t[imestamp] | -n[etns] name |\n" | |
41 | " -c[ompressvlans] }\n"); | |
d04bc300 SH |
42 | exit(-1); |
43 | } | |
44 | ||
45 | static int do_help(int argc, char **argv) | |
46 | { | |
47 | usage(); | |
48 | } | |
49 | ||
50 | ||
51 | static const struct cmd { | |
52 | const char *cmd; | |
53 | int (*func)(int argc, char **argv); | |
54 | } cmds[] = { | |
ec7aff5c SH |
55 | { "link", do_link }, |
56 | { "fdb", do_fdb }, | |
57 | { "mdb", do_mdb }, | |
9eff0e5c | 58 | { "vlan", do_vlan }, |
d04bc300 SH |
59 | { "monitor", do_monitor }, |
60 | { "help", do_help }, | |
61 | { 0 } | |
62 | }; | |
63 | ||
64 | static int do_cmd(const char *argv0, int argc, char **argv) | |
65 | { | |
66 | const struct cmd *c; | |
67 | ||
68 | for (c = cmds; c->cmd; ++c) { | |
69 | if (matches(argv0, c->cmd) == 0) | |
70 | return c->func(argc-1, argv+1); | |
71 | } | |
72 | ||
ec7aff5c SH |
73 | fprintf(stderr, |
74 | "Object \"%s\" is unknown, try \"bridge help\".\n", argv0); | |
d04bc300 SH |
75 | return -1; |
76 | } | |
77 | ||
9de8c6d9 WK |
78 | static int batch(const char *name) |
79 | { | |
80 | char *line = NULL; | |
81 | size_t len = 0; | |
82 | int ret = EXIT_SUCCESS; | |
83 | ||
84 | if (name && strcmp(name, "-") != 0) { | |
85 | if (freopen(name, "r", stdin) == NULL) { | |
86 | fprintf(stderr, | |
87 | "Cannot open file \"%s\" for reading: %s\n", | |
88 | name, strerror(errno)); | |
89 | return EXIT_FAILURE; | |
90 | } | |
91 | } | |
92 | ||
93 | if (rtnl_open(&rth, 0) < 0) { | |
94 | fprintf(stderr, "Cannot open rtnetlink\n"); | |
95 | return EXIT_FAILURE; | |
96 | } | |
97 | ||
98 | cmdlineno = 0; | |
99 | while (getcmdline(&line, &len, stdin) != -1) { | |
100 | char *largv[100]; | |
101 | int largc; | |
102 | ||
103 | largc = makeargs(line, largv, 100); | |
104 | if (largc == 0) | |
105 | continue; /* blank line */ | |
106 | ||
107 | if (do_cmd(largv[0], largc, largv)) { | |
108 | fprintf(stderr, "Command failed %s:%d\n", | |
109 | name, cmdlineno); | |
110 | ret = EXIT_FAILURE; | |
111 | if (!force) | |
112 | break; | |
113 | } | |
114 | } | |
115 | if (line) | |
116 | free(line); | |
117 | ||
118 | rtnl_close(&rth); | |
119 | return ret; | |
120 | } | |
121 | ||
d04bc300 SH |
122 | int |
123 | main(int argc, char **argv) | |
124 | { | |
125 | while (argc > 1) { | |
ec7aff5c SH |
126 | const char *opt = argv[1]; |
127 | ||
128 | if (strcmp(opt, "--") == 0) { | |
d04bc300 SH |
129 | argc--; argv++; |
130 | break; | |
131 | } | |
132 | if (opt[0] != '-') | |
133 | break; | |
134 | if (opt[1] == '-') | |
135 | opt++; | |
136 | ||
137 | if (matches(opt, "-help") == 0) { | |
138 | usage(); | |
139 | } else if (matches(opt, "-Version") == 0) { | |
90698170 | 140 | printf("bridge utility, 0.0\n"); |
d04bc300 SH |
141 | exit(0); |
142 | } else if (matches(opt, "-stats") == 0 || | |
143 | matches(opt, "-statistics") == 0) { | |
144 | ++show_stats; | |
145 | } else if (matches(opt, "-details") == 0) { | |
146 | ++show_details; | |
4cd20da1 SH |
147 | } else if (matches(opt, "-oneline") == 0) { |
148 | ++oneline; | |
d04bc300 SH |
149 | } else if (matches(opt, "-timestamp") == 0) { |
150 | ++timestamp; | |
ec7aff5c | 151 | } else if (matches(opt, "-family") == 0) { |
0849e60a SH |
152 | argc--; |
153 | argv++; | |
154 | if (argc <= 1) | |
155 | usage(); | |
156 | if (strcmp(argv[1], "inet") == 0) | |
157 | preferred_family = AF_INET; | |
158 | else if (strcmp(argv[1], "inet6") == 0) | |
159 | preferred_family = AF_INET6; | |
160 | else if (strcmp(argv[1], "help") == 0) | |
161 | usage(); | |
162 | else | |
163 | invarg("invalid protocol family", argv[1]); | |
164 | } else if (strcmp(opt, "-4") == 0) { | |
165 | preferred_family = AF_INET; | |
166 | } else if (strcmp(opt, "-6") == 0) { | |
167 | preferred_family = AF_INET6; | |
527910c8 VK |
168 | } else if (matches(opt, "-netns") == 0) { |
169 | NEXT_ARG(); | |
170 | if (netns_switch(argv[1])) | |
171 | exit(-1); | |
a2f7934d RP |
172 | } else if (matches(opt, "-compressvlans") == 0) { |
173 | ++compress_vlans; | |
9de8c6d9 WK |
174 | } else if (matches(opt, "-force") == 0) { |
175 | ++force; | |
176 | } else if (matches(opt, "-batch") == 0) { | |
177 | argc--; | |
178 | argv++; | |
179 | if (argc <= 1) | |
180 | usage(); | |
181 | batch_file = argv[1]; | |
d04bc300 | 182 | } else { |
ec7aff5c SH |
183 | fprintf(stderr, |
184 | "Option \"%s\" is unknown, try \"bridge help\".\n", | |
185 | opt); | |
d04bc300 SH |
186 | exit(-1); |
187 | } | |
188 | argc--; argv++; | |
189 | } | |
190 | ||
ec7aff5c | 191 | _SL_ = oneline ? "\\" : "\n"; |
4cd20da1 | 192 | |
9de8c6d9 WK |
193 | if (batch_file) |
194 | return batch(batch_file); | |
195 | ||
d04bc300 SH |
196 | if (rtnl_open(&rth, 0) < 0) |
197 | exit(1); | |
198 | ||
199 | if (argc > 1) | |
200 | return do_cmd(argv[1], argc-1, argv+1); | |
201 | ||
202 | rtnl_close(&rth); | |
203 | usage(); | |
204 | } |