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Commit | Line | Data |
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2ef1be68 JB |
1 | #include <linux/nl80211.h> |
2 | #include <net/if.h> | |
45c7212c | 3 | #include <errno.h> |
d5ac8ad3 | 4 | #include <string.h> |
2ef1be68 | 5 | |
45c7212c JB |
6 | #include <netlink/genl/genl.h> |
7 | #include <netlink/genl/family.h> | |
8 | #include <netlink/genl/ctrl.h> | |
9 | #include <netlink/msg.h> | |
10 | #include <netlink/attr.h> | |
45c7212c JB |
11 | |
12 | #include "iw.h" | |
13 | ||
14 | /* return 0 if not found, 1 if ok, -1 on error */ | |
15 | static int get_if_type(int *argc, char ***argv, enum nl80211_iftype *type) | |
16 | { | |
17 | char *tpstr; | |
18 | ||
19 | if (*argc < 2) | |
20 | return 0; | |
21 | ||
22 | if (strcmp((*argv)[0], "type")) | |
23 | return 0; | |
24 | ||
25 | tpstr = (*argv)[1]; | |
26 | *argc -= 2; | |
27 | *argv += 2; | |
28 | ||
29 | if (strcmp(tpstr, "adhoc") == 0 || | |
30 | strcmp(tpstr, "ibss") == 0) { | |
31 | *type = NL80211_IFTYPE_ADHOC; | |
32 | return 1; | |
33 | } else if (strcmp(tpstr, "monitor") == 0) { | |
34 | *type = NL80211_IFTYPE_MONITOR; | |
35 | return 1; | |
4d3a72da | 36 | } else if (strcmp(tpstr, "__ap") == 0) { |
45c7212c JB |
37 | *type = NL80211_IFTYPE_AP; |
38 | return 1; | |
4d3a72da | 39 | } else if (strcmp(tpstr, "__ap_vlan") == 0) { |
45c7212c JB |
40 | *type = NL80211_IFTYPE_AP_VLAN; |
41 | return 1; | |
42 | } else if (strcmp(tpstr, "wds") == 0) { | |
43 | *type = NL80211_IFTYPE_WDS; | |
44 | return 1; | |
45 | } else if (strcmp(tpstr, "station") == 0) { | |
46 | *type = NL80211_IFTYPE_STATION; | |
47 | return 1; | |
3d1e8704 LCC |
48 | } else if (strcmp(tpstr, "mp") == 0 || |
49 | strcmp(tpstr, "mesh") == 0) { | |
50 | *type = NL80211_IFTYPE_MESH_POINT; | |
51 | return 1; | |
45c7212c JB |
52 | } |
53 | ||
54 | ||
55 | fprintf(stderr, "invalid interface type %s\n", tpstr); | |
56 | return -1; | |
57 | } | |
58 | ||
59 | static int handle_interface_add(struct nl80211_state *state, | |
bd396f2a JB |
60 | struct nl_msg *msg, |
61 | int argc, char **argv) | |
45c7212c | 62 | { |
2dfd6bfa | 63 | char *name; |
3d1e8704 | 64 | char *mesh_id = NULL; |
45c7212c | 65 | enum nl80211_iftype type; |
23dfe290 | 66 | int tpset, err = -ENOBUFS; |
45c7212c | 67 | |
bd396f2a | 68 | if (argc < 1) |
45c7212c | 69 | return -1; |
45c7212c | 70 | |
2dfd6bfa | 71 | name = argv[0]; |
45c7212c JB |
72 | argc--; |
73 | argv++; | |
74 | ||
2dfd6bfa AL |
75 | tpset = get_if_type(&argc, &argv, &type); |
76 | if (tpset == 0) | |
77 | fprintf(stderr, "you must specify an interface type\n"); | |
78 | if (tpset <= 0) | |
79 | return -1; | |
45c7212c | 80 | |
3d1e8704 LCC |
81 | if (argc) { |
82 | if (strcmp(argv[0], "mesh_id") != 0) { | |
83 | fprintf(stderr, "option %s not supported\n", argv[0]); | |
84 | return -1; | |
85 | } | |
86 | argc--; | |
87 | argv++; | |
88 | ||
89 | if (!argc) { | |
90 | fprintf(stderr, "not enough arguments\n"); | |
91 | return -1; | |
92 | } | |
93 | mesh_id = argv[0]; | |
94 | argc--; | |
95 | argv++; | |
96 | } | |
97 | ||
45c7212c JB |
98 | if (argc) { |
99 | fprintf(stderr, "too many arguments\n"); | |
100 | return -1; | |
101 | } | |
102 | ||
45c7212c JB |
103 | NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, name); |
104 | if (tpset) | |
105 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, type); | |
3d1e8704 LCC |
106 | if (mesh_id) |
107 | NLA_PUT(msg, NL80211_ATTR_MESH_ID, strlen(mesh_id), mesh_id); | |
45c7212c JB |
108 | |
109 | if ((err = nl_send_auto_complete(state->nl_handle, msg)) < 0 || | |
110 | (err = nl_wait_for_ack(state->nl_handle)) < 0) { | |
111 | nla_put_failure: | |
112 | fprintf(stderr, "failed to create interface: %d\n", err); | |
bd396f2a | 113 | return 1; |
45c7212c JB |
114 | } |
115 | ||
45c7212c JB |
116 | return 0; |
117 | } | |
bd396f2a JB |
118 | COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>]", |
119 | NL80211_CMD_NEW_INTERFACE, 0, CIB_PHY, handle_interface_add); | |
1cd3b6c6 JB |
120 | COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>]", |
121 | NL80211_CMD_NEW_INTERFACE, 0, CIB_NETDEV, handle_interface_add); | |
45c7212c | 122 | |
3fcfe40e | 123 | static int handle_interface_del(struct nl80211_state *state, |
bd396f2a JB |
124 | struct nl_msg *msg, |
125 | int argc, char **argv) | |
3fcfe40e | 126 | { |
23dfe290 | 127 | int err = -ENOBUFS; |
3fcfe40e JB |
128 | |
129 | if ((err = nl_send_auto_complete(state->nl_handle, msg)) < 0 || | |
130 | (err = nl_wait_for_ack(state->nl_handle)) < 0) { | |
3fcfe40e JB |
131 | fprintf(stderr, "failed to remove interface: %d\n", err); |
132 | nlmsg_free(msg); | |
bd396f2a | 133 | return 1; |
3fcfe40e JB |
134 | } |
135 | ||
3fcfe40e JB |
136 | return 0; |
137 | } | |
bd396f2a | 138 | TOPLEVEL(del, NULL, NL80211_CMD_DEL_INTERFACE, 0, CIB_NETDEV, handle_interface_del); |
3fcfe40e | 139 | |
541ef425 JB |
140 | static int print_iface_handler(struct nl_msg *msg, void *arg) |
141 | { | |
142 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
143 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
144 | ||
145 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
146 | genlmsg_attrlen(gnlh, 0), NULL); | |
147 | ||
148 | if (tb_msg[NL80211_ATTR_IFNAME]) | |
149 | printf("Interface %s\n", nla_get_string(tb_msg[NL80211_ATTR_IFNAME])); | |
150 | if (tb_msg[NL80211_ATTR_IFINDEX]) | |
151 | printf("\tifindex %d\n", nla_get_u32(tb_msg[NL80211_ATTR_IFINDEX])); | |
152 | if (tb_msg[NL80211_ATTR_IFTYPE]) | |
153 | printf("\ttype %s\n", iftype_name(nla_get_u32(tb_msg[NL80211_ATTR_IFTYPE]))); | |
154 | ||
155 | return NL_SKIP; | |
156 | } | |
157 | ||
158 | static int ack_wait_handler(struct nl_msg *msg, void *arg) | |
159 | { | |
160 | int *finished = arg; | |
161 | ||
162 | *finished = 1; | |
163 | return NL_STOP; | |
164 | } | |
165 | ||
166 | static int handle_interface_info(struct nl80211_state *state, | |
bd396f2a JB |
167 | struct nl_msg *msg, |
168 | int argc, char **argv) | |
541ef425 JB |
169 | { |
170 | int err = -ENOBUFS; | |
541ef425 JB |
171 | struct nl_cb *cb = NULL; |
172 | int finished = 0; | |
173 | ||
541ef425 JB |
174 | cb = nl_cb_alloc(NL_CB_CUSTOM); |
175 | if (!cb) | |
176 | goto out; | |
177 | ||
178 | if (nl_send_auto_complete(state->nl_handle, msg) < 0) | |
179 | goto out; | |
180 | ||
181 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_iface_handler, NULL); | |
182 | nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_wait_handler, &finished); | |
183 | ||
184 | err = nl_recvmsgs(state->nl_handle, cb); | |
185 | ||
186 | if (!finished) | |
187 | err = nl_wait_for_ack(state->nl_handle); | |
188 | ||
189 | if (err) | |
190 | fprintf(stderr, "failed to get information: %d\n", err); | |
191 | ||
192 | out: | |
541ef425 JB |
193 | nl_cb_put(cb); |
194 | return 0; | |
195 | } | |
bd396f2a | 196 | TOPLEVEL(info, NULL, NL80211_CMD_GET_INTERFACE, 0, CIB_NETDEV, handle_interface_info); |