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Commit | Line | Data |
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2ef1be68 | 1 | #include <net/if.h> |
3d1e8704 | 2 | #include <errno.h> |
d5ac8ad3 | 3 | #include <string.h> |
2ef1be68 | 4 | |
3d1e8704 LCC |
5 | #include <netlink/genl/genl.h> |
6 | #include <netlink/genl/family.h> | |
7 | #include <netlink/genl/ctrl.h> | |
8 | #include <netlink/msg.h> | |
9 | #include <netlink/attr.h> | |
3d1e8704 | 10 | |
f408e01b | 11 | #include "nl80211.h" |
3d1e8704 LCC |
12 | #include "iw.h" |
13 | ||
4698bfc2 JB |
14 | SECTION(station); |
15 | ||
3d1e8704 LCC |
16 | enum plink_state { |
17 | LISTEN, | |
18 | OPN_SNT, | |
19 | OPN_RCVD, | |
20 | CNF_RCVD, | |
21 | ESTAB, | |
22 | HOLDING, | |
23 | BLOCKED | |
24 | }; | |
25 | ||
26 | enum plink_actions { | |
27 | PLINK_ACTION_UNDEFINED, | |
28 | PLINK_ACTION_OPEN, | |
29 | PLINK_ACTION_BLOCK, | |
30 | }; | |
31 | ||
32 | ||
3d1e8704 LCC |
33 | static int print_sta_handler(struct nl_msg *msg, void *arg) |
34 | { | |
35 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
36 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
37 | struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1]; | |
9cd3f1c1 | 38 | struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1]; |
3d1e8704 LCC |
39 | char mac_addr[20], state_name[10], dev[20]; |
40 | static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = { | |
41 | [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 }, | |
42 | [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 }, | |
43 | [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 }, | |
859677cb JB |
44 | [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 }, |
45 | [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 }, | |
9cd3f1c1 HR |
46 | [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 }, |
47 | [NL80211_STA_INFO_TX_BITRATE] = { .type = NLA_NESTED }, | |
3d1e8704 LCC |
48 | [NL80211_STA_INFO_LLID] = { .type = NLA_U16 }, |
49 | [NL80211_STA_INFO_PLID] = { .type = NLA_U16 }, | |
50 | [NL80211_STA_INFO_PLINK_STATE] = { .type = NLA_U8 }, | |
51 | }; | |
52 | ||
9cd3f1c1 HR |
53 | static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = { |
54 | [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 }, | |
55 | [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 }, | |
56 | [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG }, | |
57 | [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG }, | |
58 | }; | |
59 | ||
3d1e8704 LCC |
60 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), |
61 | genlmsg_attrlen(gnlh, 0), NULL); | |
62 | ||
63 | /* | |
64 | * TODO: validate the interface and mac address! | |
65 | * Otherwise, there's a race condition as soon as | |
66 | * the kernel starts sending station notifications. | |
67 | */ | |
68 | ||
69 | if (!tb[NL80211_ATTR_STA_INFO]) { | |
5fe70c0e | 70 | fprintf(stderr, "sta stats missing!\n"); |
3d1e8704 LCC |
71 | return NL_SKIP; |
72 | } | |
73 | if (nla_parse_nested(sinfo, NL80211_STA_INFO_MAX, | |
74 | tb[NL80211_ATTR_STA_INFO], | |
75 | stats_policy)) { | |
5fe70c0e | 76 | fprintf(stderr, "failed to parse nested attributes!\n"); |
3d1e8704 LCC |
77 | return NL_SKIP; |
78 | } | |
79 | ||
80 | mac_addr_n2a(mac_addr, nla_data(tb[NL80211_ATTR_MAC])); | |
81 | if_indextoname(nla_get_u32(tb[NL80211_ATTR_IFINDEX]), dev); | |
fbb181fa | 82 | printf("Station %s (on %s)", mac_addr, dev); |
3d1e8704 LCC |
83 | |
84 | if (sinfo[NL80211_STA_INFO_INACTIVE_TIME]) | |
f5c9799c | 85 | printf("\n\tinactive time:\t%u ms", |
3d1e8704 LCC |
86 | nla_get_u32(sinfo[NL80211_STA_INFO_INACTIVE_TIME])); |
87 | if (sinfo[NL80211_STA_INFO_RX_BYTES]) | |
f5c9799c | 88 | printf("\n\trx bytes:\t%u", |
3d1e8704 | 89 | nla_get_u32(sinfo[NL80211_STA_INFO_RX_BYTES])); |
859677cb | 90 | if (sinfo[NL80211_STA_INFO_RX_PACKETS]) |
f5c9799c | 91 | printf("\n\trx packets:\t%u", |
859677cb | 92 | nla_get_u32(sinfo[NL80211_STA_INFO_RX_PACKETS])); |
3d1e8704 | 93 | if (sinfo[NL80211_STA_INFO_TX_BYTES]) |
f5c9799c | 94 | printf("\n\ttx bytes:\t%u", |
3d1e8704 | 95 | nla_get_u32(sinfo[NL80211_STA_INFO_TX_BYTES])); |
859677cb | 96 | if (sinfo[NL80211_STA_INFO_TX_PACKETS]) |
f5c9799c | 97 | printf("\n\ttx packets:\t%u", |
859677cb | 98 | nla_get_u32(sinfo[NL80211_STA_INFO_TX_PACKETS])); |
9cd3f1c1 HR |
99 | if (sinfo[NL80211_STA_INFO_SIGNAL]) |
100 | printf("\n\tsignal: \t%d dBm", | |
101 | (int8_t)nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL])); | |
102 | ||
103 | if (sinfo[NL80211_STA_INFO_TX_BITRATE]) { | |
104 | if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX, | |
105 | sinfo[NL80211_STA_INFO_TX_BITRATE], rate_policy)) { | |
5fe70c0e | 106 | fprintf(stderr, "failed to parse nested rate attributes!\n"); |
9cd3f1c1 HR |
107 | } else { |
108 | printf("\n\ttx bitrate:\t"); | |
109 | if (rinfo[NL80211_RATE_INFO_BITRATE]) { | |
110 | int rate = nla_get_u16(rinfo[NL80211_RATE_INFO_BITRATE]); | |
111 | printf("%d.%d MBit/s", rate / 10, rate % 10); | |
112 | } | |
113 | ||
114 | if (rinfo[NL80211_RATE_INFO_MCS]) | |
115 | printf(" MCS %d", nla_get_u8(rinfo[NL80211_RATE_INFO_MCS])); | |
116 | if (rinfo[NL80211_RATE_INFO_40_MHZ_WIDTH]) | |
117 | printf(" 40Mhz"); | |
118 | if (rinfo[NL80211_RATE_INFO_SHORT_GI]) | |
119 | printf(" short GI"); | |
120 | } | |
121 | } | |
122 | ||
3d1e8704 | 123 | if (sinfo[NL80211_STA_INFO_LLID]) |
fbb181fa | 124 | printf("\n\tmesh llid:\t%d", |
3d1e8704 LCC |
125 | nla_get_u16(sinfo[NL80211_STA_INFO_LLID])); |
126 | if (sinfo[NL80211_STA_INFO_PLID]) | |
fbb181fa | 127 | printf("\n\tmesh plid:\t%d", |
3d1e8704 LCC |
128 | nla_get_u16(sinfo[NL80211_STA_INFO_PLID])); |
129 | if (sinfo[NL80211_STA_INFO_PLINK_STATE]) { | |
dbaabba1 | 130 | switch (nla_get_u8(sinfo[NL80211_STA_INFO_PLINK_STATE])) { |
3d1e8704 LCC |
131 | case LISTEN: |
132 | strcpy(state_name, "LISTEN"); | |
133 | break; | |
134 | case OPN_SNT: | |
135 | strcpy(state_name, "OPN_SNT"); | |
136 | break; | |
137 | case OPN_RCVD: | |
138 | strcpy(state_name, "OPN_RCVD"); | |
139 | break; | |
140 | case CNF_RCVD: | |
141 | strcpy(state_name, "CNF_RCVD"); | |
142 | break; | |
143 | case ESTAB: | |
144 | strcpy(state_name, "ESTAB"); | |
145 | break; | |
146 | case HOLDING: | |
147 | strcpy(state_name, "HOLDING"); | |
148 | break; | |
149 | case BLOCKED: | |
150 | strcpy(state_name, "BLOCKED"); | |
151 | break; | |
152 | default: | |
153 | strcpy(state_name, "UNKNOWN"); | |
154 | break; | |
155 | } | |
fbb181fa | 156 | printf("\n\tmesh plink:\t%s", state_name); |
3d1e8704 LCC |
157 | } |
158 | ||
159 | printf("\n"); | |
160 | return NL_SKIP; | |
161 | } | |
162 | ||
7c37a24d JB |
163 | static int handle_station_get(struct nl80211_state *state, |
164 | struct nl_cb *cb, | |
b1ca19a8 JB |
165 | struct nl_msg *msg, |
166 | int argc, char **argv) | |
3d1e8704 | 167 | { |
3d1e8704 LCC |
168 | unsigned char mac_addr[ETH_ALEN]; |
169 | ||
b1ca19a8 | 170 | if (argc < 1) |
5e75fd04 | 171 | return 1; |
3d1e8704 LCC |
172 | |
173 | if (mac_addr_a2n(mac_addr, argv[0])) { | |
174 | fprintf(stderr, "invalid mac address\n"); | |
5e75fd04 | 175 | return 2; |
3d1e8704 LCC |
176 | } |
177 | ||
178 | argc--; | |
179 | argv++; | |
180 | ||
b1ca19a8 | 181 | if (argc) |
5e75fd04 | 182 | return 1; |
3d1e8704 LCC |
183 | |
184 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
3d1e8704 | 185 | |
3d1e8704 | 186 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_sta_handler, NULL); |
3d1e8704 | 187 | |
70391ccf | 188 | return 0; |
3d1e8704 | 189 | nla_put_failure: |
70391ccf | 190 | return -ENOBUFS; |
3d1e8704 | 191 | } |
b1ca19a8 | 192 | COMMAND(station, get, "<MAC address>", |
70cf4544 JB |
193 | NL80211_CMD_GET_STATION, 0, CIB_NETDEV, handle_station_get, |
194 | "Get information for a specific station."); | |
b1ca19a8 | 195 | COMMAND(station, del, "<MAC address>", |
70cf4544 JB |
196 | NL80211_CMD_DEL_STATION, 0, CIB_NETDEV, handle_station_get, |
197 | "Remove the given station entry (use with caution!)"); | |
3d1e8704 | 198 | |
ce0fc33a | 199 | static int handle_station_set_plink(struct nl80211_state *state, |
7c37a24d | 200 | struct nl_cb *cb, |
b1ca19a8 JB |
201 | struct nl_msg *msg, |
202 | int argc, char **argv) | |
3d1e8704 | 203 | { |
3d1e8704 LCC |
204 | unsigned char plink_action; |
205 | unsigned char mac_addr[ETH_ALEN]; | |
206 | ||
b1ca19a8 | 207 | if (argc < 3) |
5e75fd04 | 208 | return 1; |
3d1e8704 LCC |
209 | |
210 | if (mac_addr_a2n(mac_addr, argv[0])) { | |
211 | fprintf(stderr, "invalid mac address\n"); | |
5e75fd04 | 212 | return 2; |
3d1e8704 LCC |
213 | } |
214 | argc--; | |
215 | argv++; | |
216 | ||
b1ca19a8 JB |
217 | if (strcmp("plink_action", argv[0]) != 0) |
218 | return 1; | |
3d1e8704 LCC |
219 | argc--; |
220 | argv++; | |
221 | ||
222 | if (strcmp("open", argv[0]) == 0) | |
223 | plink_action = PLINK_ACTION_OPEN; | |
224 | else if (strcmp("block", argv[0]) == 0) | |
225 | plink_action = PLINK_ACTION_BLOCK; | |
226 | else { | |
227 | fprintf(stderr, "plink action not supported\n"); | |
5e75fd04 | 228 | return 2; |
3d1e8704 LCC |
229 | } |
230 | argc--; | |
231 | argv++; | |
232 | ||
b1ca19a8 | 233 | if (argc) |
5e75fd04 | 234 | return 1; |
3d1e8704 LCC |
235 | |
236 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
3d1e8704 LCC |
237 | NLA_PUT_U8(msg, NL80211_ATTR_STA_PLINK_ACTION, plink_action); |
238 | ||
70391ccf | 239 | return 0; |
3d1e8704 | 240 | nla_put_failure: |
70391ccf | 241 | return -ENOBUFS; |
3d1e8704 | 242 | } |
b1ca19a8 | 243 | COMMAND(station, set, "<MAC address> plink_action <open|block>", |
ce0fc33a | 244 | NL80211_CMD_SET_STATION, 0, CIB_NETDEV, handle_station_set_plink, |
70cf4544 | 245 | "Set mesh peer link action for this station (peer)."); |
b1ca19a8 | 246 | |
ce0fc33a FF |
247 | static int handle_station_set_vlan(struct nl80211_state *state, |
248 | struct nl_cb *cb, | |
249 | struct nl_msg *msg, | |
250 | int argc, char **argv) | |
251 | { | |
252 | unsigned char mac_addr[ETH_ALEN]; | |
253 | unsigned long sta_vlan = 0; | |
254 | char *err = NULL; | |
255 | ||
256 | if (argc < 3) | |
257 | return 1; | |
258 | ||
259 | if (mac_addr_a2n(mac_addr, argv[0])) { | |
260 | fprintf(stderr, "invalid mac address\n"); | |
261 | return 2; | |
262 | } | |
263 | argc--; | |
264 | argv++; | |
265 | ||
266 | if (strcmp("vlan", argv[0]) != 0) | |
267 | return 1; | |
268 | argc--; | |
269 | argv++; | |
270 | ||
271 | sta_vlan = strtoul(argv[0], &err, 0); | |
272 | if (err && *err) { | |
273 | fprintf(stderr, "invalid vlan id\n"); | |
274 | return 2; | |
275 | } | |
276 | argc--; | |
277 | argv++; | |
278 | ||
279 | if (argc) | |
280 | return 1; | |
281 | ||
282 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
283 | NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN, sta_vlan); | |
284 | ||
285 | return 0; | |
286 | nla_put_failure: | |
287 | return -ENOBUFS; | |
288 | } | |
289 | COMMAND(station, set, "<MAC address> vlan <ifindex>", | |
290 | NL80211_CMD_SET_STATION, 0, CIB_NETDEV, handle_station_set_vlan, | |
291 | "Set an AP VLAN for this station."); | |
292 | ||
293 | ||
7c37a24d JB |
294 | static int handle_station_dump(struct nl80211_state *state, |
295 | struct nl_cb *cb, | |
b1ca19a8 JB |
296 | struct nl_msg *msg, |
297 | int argc, char **argv) | |
3d1e8704 | 298 | { |
3d1e8704 | 299 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_sta_handler, NULL); |
70391ccf | 300 | return 0; |
3d1e8704 | 301 | } |
b1ca19a8 | 302 | COMMAND(station, dump, NULL, |
70cf4544 JB |
303 | NL80211_CMD_GET_STATION, NLM_F_DUMP, CIB_NETDEV, handle_station_dump, |
304 | "List all stations known, e.g. the AP on managed interfaces"); |