2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License.
6 * This program is distributed in the hope that it will be useful,
7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 * GNU General Public License for more details.
11 * You should have received a copy of the GNU General Public License
12 * along with this program; if not, write to the Free Software
13 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
15 * Copyright (C) 2020 embedd.ch
16 * Copyright (C) 2020 Felix Fietkau <nbd@nbd.name>
17 * Copyright (C) 2020 John Crispin <john@phrozen.org>
23 bool parse_apmsg(struct apmsg
*msg
, struct blob_attr
*data
)
25 static const struct blob_attr_info policy
[__APMSG_MAX
] = {
26 [APMSG_ID
] = { .type
= BLOB_ATTR_INT32
},
27 [APMSG_SEQ
] = { .type
= BLOB_ATTR_INT32
},
28 [APMSG_NODES
] = { .type
= BLOB_ATTR_NESTED
},
29 [APMSG_HOST_INFO
] = { .type
= BLOB_ATTR_NESTED
},
31 struct blob_attr
*tb
[__APMSG_MAX
];
33 blob_parse(data
, tb
, policy
, __APMSG_MAX
);
34 if (!tb
[APMSG_ID
] || !tb
[APMSG_SEQ
] || !tb
[APMSG_NODES
])
37 msg
->id
= blob_get_int32(tb
[APMSG_ID
]);
38 msg
->seq
= blob_get_int32(tb
[APMSG_SEQ
]);
39 msg
->nodes
= tb
[APMSG_NODES
];
40 msg
->host_info
= tb
[APMSG_HOST_INFO
];
46 get_int32(struct blob_attr
*attr
)
51 return blob_get_int32(attr
);
54 bool parse_apmsg_node(struct apmsg_node
*msg
, struct blob_attr
*data
)
56 static const struct blob_attr_info policy
[__APMSG_NODE_MAX
] = {
57 [APMSG_NODE_NAME
] = { .type
= BLOB_ATTR_STRING
},
58 [APMSG_NODE_BSSID
] = { .type
= BLOB_ATTR_BINARY
},
59 [APMSG_NODE_FREQ
] = { .type
= BLOB_ATTR_INT32
},
60 [APMSG_NODE_N_ASSOC
] = { .type
= BLOB_ATTR_INT32
},
61 [APMSG_NODE_MAX_ASSOC
] = { .type
= BLOB_ATTR_INT32
},
62 [APMSG_NODE_STATIONS
] = { .type
= BLOB_ATTR_NESTED
},
63 [APMSG_NODE_NOISE
] = { .type
= BLOB_ATTR_INT32
},
64 [APMSG_NODE_LOAD
] = { .type
= BLOB_ATTR_INT32
},
65 [APMSG_NODE_RRM_NR
] = { .type
= BLOB_ATTR_NESTED
},
66 [APMSG_NODE_NODE_INFO
] = { .type
= BLOB_ATTR_NESTED
},
67 [APMSG_NODE_CHANNEL
] = { .type
= BLOB_ATTR_INT32
},
68 [APMSG_NODE_OP_CLASS
] = { .type
= BLOB_ATTR_INT32
},
70 struct blob_attr
*tb
[__APMSG_NODE_MAX
];
71 struct blob_attr
*cur
;
73 blob_parse(data
, tb
, policy
, __APMSG_NODE_MAX
);
74 if (!tb
[APMSG_NODE_NAME
] ||
75 !tb
[APMSG_NODE_BSSID
] ||
76 blob_len(tb
[APMSG_NODE_BSSID
]) != 6 ||
77 !tb
[APMSG_NODE_FREQ
] ||
78 !tb
[APMSG_NODE_N_ASSOC
] ||
79 !tb
[APMSG_NODE_STATIONS
] ||
83 msg
->name
= blob_data(tb
[APMSG_NODE_NAME
]);
84 msg
->n_assoc
= blob_get_int32(tb
[APMSG_NODE_N_ASSOC
]);
85 msg
->freq
= blob_get_int32(tb
[APMSG_NODE_FREQ
]);
86 msg
->stations
= tb
[APMSG_NODE_STATIONS
];
87 msg
->ssid
= blob_data(tb
[APMSG_NODE_SSID
]);
88 msg
->bssid
= blob_data(tb
[APMSG_NODE_BSSID
]);
90 msg
->noise
= get_int32(tb
[APMSG_NODE_NOISE
]);
91 msg
->load
= get_int32(tb
[APMSG_NODE_LOAD
]);
92 msg
->max_assoc
= get_int32(tb
[APMSG_NODE_MAX_ASSOC
]);
95 if (tb
[APMSG_NODE_CHANNEL
] && tb
[APMSG_NODE_OP_CLASS
]) {
96 msg
->channel
= blob_get_int32(tb
[APMSG_NODE_CHANNEL
]);
97 msg
->op_class
= blob_get_int32(tb
[APMSG_NODE_OP_CLASS
]);
100 cur
= tb
[APMSG_NODE_RRM_NR
];
101 if (cur
&& blob_len(cur
) >= sizeof(struct blob_attr
) &&
102 blob_len(cur
) >= blob_pad_len(blob_data(cur
))) {
105 msg
->rrm_nr
= blob_data(cur
);
107 blobmsg_for_each_attr(cur
, msg
->rrm_nr
, rem
) {
108 if (blobmsg_check_attr(cur
, false))
110 if (blobmsg_type(cur
) == BLOBMSG_TYPE_STRING
)
117 blobmsg_type(msg
->rrm_nr
) != BLOBMSG_TYPE_ARRAY
)
121 msg
->node_info
= tb
[APMSG_NODE_NODE_INFO
];
126 bool parse_apmsg_sta(struct apmsg_sta
*msg
, struct blob_attr
*data
)
128 static const struct blob_attr_info policy
[__APMSG_STA_MAX
] = {
129 [APMSG_STA_ADDR
] = { .type
= BLOB_ATTR_BINARY
},
130 [APMSG_STA_SIGNAL
] = { .type
= BLOB_ATTR_INT32
},
131 [APMSG_STA_SEEN
] = { .type
= BLOB_ATTR_INT32
},
132 [APMSG_STA_TIMEOUT
] = { .type
= BLOB_ATTR_INT32
},
133 [APMSG_STA_CONNECTED
] = { .type
= BLOB_ATTR_INT8
},
134 [APMSG_STA_LAST_CONNECTED
] = { .type
= BLOB_ATTR_INT32
},
136 struct blob_attr
*tb
[__APMSG_STA_MAX
];
138 blob_parse(data
, tb
, policy
, __APMSG_STA_MAX
);
139 if (!tb
[APMSG_STA_ADDR
] ||
140 !tb
[APMSG_STA_SIGNAL
] ||
141 !tb
[APMSG_STA_SEEN
] ||
142 !tb
[APMSG_STA_TIMEOUT
] ||
143 !tb
[APMSG_STA_CONNECTED
] ||
144 !tb
[APMSG_STA_LAST_CONNECTED
])
147 if (blob_len(tb
[APMSG_STA_ADDR
]) != sizeof(msg
->addr
))
150 memcpy(msg
->addr
, blob_data(tb
[APMSG_STA_ADDR
]), sizeof(msg
->addr
));
151 msg
->signal
= blob_get_int32(tb
[APMSG_STA_SIGNAL
]);
152 msg
->seen
= blob_get_int32(tb
[APMSG_STA_SEEN
]);
153 msg
->timeout
= blob_get_int32(tb
[APMSG_STA_TIMEOUT
]);
154 msg
->connected
= blob_get_int8(tb
[APMSG_STA_CONNECTED
]);
155 msg
->last_connected
= blob_get_int32(tb
[APMSG_STA_LAST_CONNECTED
]);