usteer: Initial import

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2018-03-21 16:40:05 +01:00
commit d10731f806
23 changed files with 4512 additions and 0 deletions
--- a/parse.c
+++ b/parse.c
@@ -0,0 +1,142 @@
+/*
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *   Copyright (C) 2020 embedd.ch 
+ *   Copyright (C) 2020 Felix Fietkau <nbd@nbd.name> 
+ *   Copyright (C) 2020 John Crispin <john@phrozen.org> 
+ */
+
+#include "usteer.h"
+#include "remote.h"
+
+bool parse_apmsg(struct apmsg *msg, struct blob_attr *data)
+{
+	static const struct blob_attr_info policy[__APMSG_MAX] = {
+		[APMSG_ID] = { .type = BLOB_ATTR_INT32 },
+		[APMSG_SEQ] = { .type = BLOB_ATTR_INT32 },
+		[APMSG_NODES] = { .type = BLOB_ATTR_NESTED },
+	};
+	struct blob_attr *tb[__APMSG_MAX];
+
+	blob_parse(data, tb, policy, __APMSG_MAX);
+	if (!tb[APMSG_ID] || !tb[APMSG_SEQ] || !tb[APMSG_NODES])
+		return false;
+
+	msg->id = blob_get_int32(tb[APMSG_ID]);
+	msg->seq = blob_get_int32(tb[APMSG_SEQ]);
+	msg->nodes = tb[APMSG_NODES];
+
+	return true;
+}
+
+static int
+get_int32(struct blob_attr *attr)
+{
+	if (!attr)
+		return 0;
+
+	return blob_get_int32(attr);
+}
+
+bool parse_apmsg_node(struct apmsg_node *msg, struct blob_attr *data)
+{
+	static const struct blob_attr_info policy[__APMSG_NODE_MAX] = {
+		[APMSG_NODE_NAME] = { .type = BLOB_ATTR_STRING },
+		[APMSG_NODE_FREQ] = { .type = BLOB_ATTR_INT32 },
+		[APMSG_NODE_N_ASSOC] = { .type = BLOB_ATTR_INT32 },
+		[APMSG_NODE_MAX_ASSOC] = { .type = BLOB_ATTR_INT32 },
+		[APMSG_NODE_STATIONS] = { .type = BLOB_ATTR_NESTED },
+		[APMSG_NODE_NOISE] = { .type = BLOB_ATTR_INT32 },
+		[APMSG_NODE_LOAD] = { .type = BLOB_ATTR_INT32 },
+		[APMSG_NODE_RRM_NR] = { .type = BLOB_ATTR_NESTED },
+		[APMSG_NODE_SCRIPT_DATA] = { .type = BLOB_ATTR_NESTED },
+	};
+	struct blob_attr *tb[__APMSG_NODE_MAX];
+	struct blob_attr *cur;
+
+	blob_parse(data, tb, policy, __APMSG_NODE_MAX);
+	if (!tb[APMSG_NODE_NAME] ||
+	    !tb[APMSG_NODE_FREQ] ||
+	    !tb[APMSG_NODE_N_ASSOC] ||
+	    !tb[APMSG_NODE_STATIONS] ||
+	    !tb[APMSG_NODE_SSID])
+		return false;
+
+	msg->name = blob_data(tb[APMSG_NODE_NAME]);
+	msg->n_assoc = blob_get_int32(tb[APMSG_NODE_N_ASSOC]);
+	msg->freq = blob_get_int32(tb[APMSG_NODE_FREQ]);
+	msg->stations = tb[APMSG_NODE_STATIONS];
+	msg->ssid = blob_data(tb[APMSG_NODE_SSID]);
+
+	msg->noise = get_int32(tb[APMSG_NODE_NOISE]);
+	msg->load = get_int32(tb[APMSG_NODE_LOAD]);
+	msg->max_assoc = get_int32(tb[APMSG_NODE_MAX_ASSOC]);
+	msg->rrm_nr = NULL;
+
+	cur = tb[APMSG_NODE_RRM_NR];
+	if (cur && blob_len(cur) >= sizeof(struct blob_attr) &&
+	    blob_len(cur) >= blob_pad_len(blob_data(cur))) {
+		int rem;
+
+		msg->rrm_nr = blob_data(cur);
+
+		blobmsg_for_each_attr(cur, msg->rrm_nr, rem) {
+			if (blobmsg_check_attr(cur, false))
+				continue;
+			if (blobmsg_type(cur) == BLOBMSG_TYPE_STRING)
+				continue;
+			msg->rrm_nr = NULL;
+			break;
+		}
+
+		if (msg->rrm_nr &&
+		    blobmsg_type(msg->rrm_nr) != BLOBMSG_TYPE_ARRAY)
+			msg->rrm_nr = NULL;
+	}
+
+	msg->script_data = tb[APMSG_NODE_SCRIPT_DATA];
+
+	return true;
+}
+
+bool parse_apmsg_sta(struct apmsg_sta *msg, struct blob_attr *data)
+{
+	static const struct blob_attr_info policy[__APMSG_STA_MAX] = {
+		[APMSG_STA_ADDR] = { .type = BLOB_ATTR_BINARY },
+		[APMSG_STA_SIGNAL] = { .type = BLOB_ATTR_INT32 },
+		[APMSG_STA_SEEN] = { .type = BLOB_ATTR_INT32 },
+		[APMSG_STA_TIMEOUT] = { .type = BLOB_ATTR_INT32 },
+		[APMSG_STA_CONNECTED] = { .type = BLOB_ATTR_INT8 },
+	};
+	struct blob_attr *tb[__APMSG_STA_MAX];
+
+	blob_parse(data, tb, policy, __APMSG_STA_MAX);
+	if (!tb[APMSG_STA_ADDR] ||
+	    !tb[APMSG_STA_SIGNAL] ||
+	    !tb[APMSG_STA_SEEN] ||
+	    !tb[APMSG_STA_TIMEOUT] ||
+	    !tb[APMSG_STA_CONNECTED])
+		return false;
+
+	if (blob_len(tb[APMSG_STA_ADDR]) != sizeof(msg->addr))
+		return false;
+
+	memcpy(msg->addr, blob_data(tb[APMSG_STA_ADDR]), sizeof(msg->addr));
+	msg->signal = blob_get_int32(tb[APMSG_STA_SIGNAL]);
+	msg->seen = blob_get_int32(tb[APMSG_STA_SEEN]);
+	msg->timeout = blob_get_int32(tb[APMSG_STA_TIMEOUT]);
+	msg->connected = blob_get_int8(tb[APMSG_STA_CONNECTED]);
+
+	return true;
+}