Template:Networking rutxxx configuration example JSON RPC

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Using JSON-RPC with Linux OS

This section describes how to use JSON-RPC commands with a Linux OS system. To find the guide for Windows users, jump to this section: JSON-RPC on Widnows

Obtaining a session ID


To log in to the router via JSON-RPC you must first obtain a Session ID. To do so, you must send an HTTP POST request to the router. Open the Linux Terminal app and execute this command:

curl -d "{ \"jsonrpc\": \"2.0\", \"id\": 1, \"method\": \"call\", \"params\": [ \"00000000000000000000000000000000\", \"session\", \"login\", { \"username\": \"root\", \"password\": \"admin01\"  } ] }" http://192.168.1.1/ubus   

The section highlighted in orange is the router's admin password. admin01 is the default value, replace it with your router's password. The address highlighted in green is the router's IP address. Replace this value with your router's IP. If you're trying to reach the router from LAN, use the local IP address (default: 192.168.1.1), if you're trying to reach the router from WAN, use the router's WAN IP address.


Configuration examples json-rpc terminal get id.png

The picture above depicts the process of obtaining a Session ID. The ID itself is encapsulated in a blue rectangle. Copy this ID as you will need it to authenticate yourself when using other commands.

Getting router parameters


Now that you have obtained a Session ID, you can issue commands to the router. Lets start with commands that return information about the router. For example, this is a command that returns the router's RSSI(signal strength) value:

curl -d "{ \"jsonrpc\": \"2.0\", \"id\": 1, \"method\": \"call\", \"params\": [\"a74c8e07646f0da2bfddce35bf3de1f3\", \"file\", \"exec\", { \"command\":\"gsmctl\", \"params\": [\"-q\"] } ] }" http://192.168.1.1/ubus

Highlighted in red is the Session ID. Replace it with the Session ID that was provided to you. Highlighted in orange is the command that we used for our query and highlighted in green is the parameter for the command: gsmctl -q.

The picture bellow is a visual representation of this example. Encapsulated in a blue rectangle is the answer to the gsmctl -q query: -69 dBm.


Configuration examples json-rpc terminal gsmctl.png

You can issue almost any Linux command in a similar manner. For example, if you wish to get a list of file names contained in the config folder, the Linux command to do so would be ls /etc/config, which, translated to JSON-RPC, would be:

curl -d "{\"jsonrpc\": \"2.0\", \"id\": 1, \"method\": \"call\", \"params\": [\"a74c8e07646f0da2bfddce35bf3de1f3\", \"file\", \"exec\", {\"command\":\"ls\", \"params\": [\"/etc/config\"] } ] }" http://192.168.1.1/ubus

Configuration examples json-rpc terminal ls.png

The command is encapsulated in an orange rectangle and the answer - in a blue one.

Setting router parameters


This section will describe how to use uci set commands in order to set or change various router parameters via JSON-RPC. For more general information about the usage and syntax of UCI commands, check out our UCI command usage guide.

uci set


The uci set command is used to set router parameters. As an example, lets try to change the router's LAN IP address. The command to do so looks like this:

curl -d "{\"jsonrpc\":\"2.0\", \"id\":1, \"method\":\"call\", \"params\":[\"590bde71578da2fabfe77ba86c00e4e5\", \"uci\", \"set\", { \"config\":\"network\", \"type\":\"interface\", \"match\": {\"ipaddr\":\"192.168.1.1\"}, \"values\": {\"ipaddr\":\"192.168.56.1\"} } ] }" http://192.168.1.1/ubus

The sections highlighted in orange describe the config file's name and section (in this case, network config and interface section). Highlighted in red is the option in the config file that you wish to change (in this case, the router's LAN IP address, ipaddr). Finally, highlighted in green is the value that will to replace the old value (in this case, change the router's LAN IP address to 192.168.56.1). If the command was issued successfully, you should see a Response like this:


Configuration examples json-rpc terminal uci set.png

uci commit


In order to commit the changes from RAM to flash memory, you must execute a uci commit command. Continuing from the example above, lets commit the changes made to the network config. The command to do so looks like this:

curl -d "{\"jsonrpc\":\"2.0\", \"id\":1, \"method\":\"call\", \"params\":[\"9704f676709d9dedc98d7718c4e3e7d2\", \"uci\", \"commit\", {\"config\":\"network\"} ] }" http://192.168.1.1/ubus

When committing changes, you will need to specify the name of the file where the changes took place (in this case, network, which is highlighted in orange). If the commit was successful, you should see the same message as before:

{"jsonrpc":"2.0","id":1,"result":[0]}

luci-reload


In order for the changes to take effect, use the luci-reload command which restarts all of the router's services. The luci-reload command looks like this:

curl -d "{\"jsonrpc\":\"2.0\",\"id\":1, \"method\":\"call\", \"params\":[\"428a9fa57f1a391db0bd1b865fa16bb5\", \"file\", \"exec\", {\"command\": \"luci-reload\"} ] }" http://192.168.56.1/ubus

The command itself is highlighted in orange.

Setting Multiple Parameters


This next example describes how to set multiple parameters in a single config file with one command. Lets change the default configuration of the Ping Reboot function (ping_reboot config file):

curl -d "{\"jsonrpc\":\"2.0\", \"id\":1, \"method\":\"call\", \"params\":[\"558a9b03c940e52f373f8c02498952e3\", \"uci\", \"set\", {\"config\":\"ping_reboot\", \"match\":{\"enable\":\"0\", \"host\":\"8.8.8.8\", \"packet_size\":\"56\"}, \"values\":{\"enable\":\"1\", \"host\":\"8.8.4.4\", \"packet_size\":\"64\"} } ] }" http://192.168.1.1/ubus

The command above will enable the Ping Reboot function, set the host to ping to 8.8.4.4 and ping packet size to 64. The default values are highlighted in orange and the new ones are highlighted in green.

Some Additional Commands

If the commands found in the guide above did not suffice your needs, this section provides a list of additional ones. The commands presented in this section will be for both Linux and Windows operating systems. They should be used as syntax examples for your own purposes.

WiFi clients list


This command returns a list of devices connected to your WLAN and some additional information about the connection.

Windows:

{
    "jsonrpc": "2.0", "id": 1, "method": "call", "params":
    [
        "86fc586fa1471622473434ff0176fd66", "iwinfo", "assoclist",
        {
            "device":"wlan0"
        }
    ]
}

Linux:

curl -d "{ \"jsonrpc\": \"2.0\", \"id\": 1, \"method\": \"call\", \"params\": [ \"86fc586fa1471622473434ff0176fd66\", \"iwinfo\", \"assoclist\", {\"device\":\"wlan0\"} ] }" http://192.168.1.1/ubus

The response should look something like this:

{"jsonrpc":"2.0","id":1,"result":[0,{"results":
[{"mac":"E4:02:9B:88:09:AA","signal":-32,"noise":-88,"inactive":10,"rx":
{"rate":1000,"mcs":0,"40mhz":false,"short_gi":false},"tx":
{"rate":72200,"mcs":7,"40mhz":false,"short_gi":true}},
{"mac":"D8:C7:71:47:90:E1","signal":-12,"noise":-88,"inactive":400,"rx":
{"rate":1000,"mcs":0,"40mhz":false,"short_gi":false},"tx":
{"rate":72200,"mcs":7,"40mhz":false,"short_gi":true}}]}]}

To obtain these values, the Linux iwinfo command and assoclist parameter (red) are used. Highlighted in green are the devices connected to the router via WiFi as identified by their MAC addresses. The response information about the connection with the device, such as signal strength, noise, time of inactivity (idle time), rx, tx rate, etc., is highlighted in blue.

WiFi information


This command returns information on your WiFi Access Point.

Windows:

{
    "jsonrpc": "2.0", "id": 1, "method": "call", "params":
    [
        "a70ceeba344b6046625d8bcec132796c", "iwinfo", "info", 
        {
            "device":"wlan0"
        }
    ]
}

Linux:

curl -d "{ \"jsonrpc\": \"2.0\", \"id\": 1, \"method\": \"call\", \"params\": [ \"a70ceeba344b6046625d8bcec132796c\", \"iwinfo\", \"info\", {\"device\":\"wlan0\"} ] }" http://192.168.1.1/ubus

Response:

{"jsonrpc":"2.0","id":1,"result":[0,
{"phy":"phy0","ssid":"HAL9000","bssid":"00:1E:42:16:D6:68","country":"00","mode":"Master","channel":6,"frequency":2437,"txpower":20,
"quality":22,"quality_max":70,"signal":22,"noise":-61,"bitrate":72200,"encryption":
{"enabled":false},"hwmodes":["b","g","n"],"hardware":{"name":"Generic MAC80211"}}]}

As with the clients list command described above, to obtain this information the Linux iwinfo command is used, but this time with the info parameter (red). The relevant information, such as WiFi SSID, WiFi MAC address, WiFi channel, Encryption type, etc., is highlighted in blue

Manufacturing information


This command returns information about the device's manufacturing details like device's Product Code, Serial Number MAC Address, etc.

Windows:

{
    "jsonrpc": "2.0", "id": 1, "method": "call", "params":
    [
        "805725a19ab0fba6c2b44ecf2f952fb9","file", "exec",
        {
            "command":"mnf_info", "params":["name", "sn", "mac"]
        }
    ]
}

Linux:

curl -d "{ \"jsonrpc\": \"2.0\", \"id\": 1, \"method\": \"call\", \"params\": [ \"805725a19ab0fba6c2b44ecf2f952fb9\",\"file\", \"exec\",{ \"command\":\"mnf_info\", \"params\":[\"name\", \"sn\", \"mac\"] } ] }" http://192.168.1.1/ubus

Response:

{"jsonrpc":"2.0","id":1,"result":[0,{"code":0,"stdout":"RUT950HG12C0\n1367435694\n001e4216d666\n"}]}

To obtain the manufacturing information the mnf_info (highlighted in red) command is used. In this case a query was sent asking for the device's Product Code (name), Serial Number (sn) and MAC Address (mac) (highlighted in red in the query; returned values highlighted in blue). Using mnf_info, you can "ask" the router for any type of manufacturing information. Here is the list of possible mnf_info parameters:

  • mac - returns the router's LAN MAC address
  • maceth - returns the router's WAN MAC address
  • name - returns the router's Product Code
  • wps - returns the router's WPS PIN number
  • sn - returns the router's Serial number
  • batch - returns the router's Batch number
  • hwver - returns the router's Hardware Revision number
  • simpin - returns the router's SIM card's PIN (as it is specified in the Mobile section)
  • blver - returns the router's Bootloader version

Firmware number


This command returns the device's Firmware version number.

Windows:

{
    "jsonrpc": "2.0", "id": 1, "method": "call", "params":
    [
        "85ea4cb00398d8387b22d8fa6f75f753", "file", "read",
        {
            "path":"/etc/version"
        }
    ]
}

Linux:

curl -d "{ \"jsonrpc\": \"2.0\", \"id\": 1, \"method\": \"call\", \"params\": [ \"85ea4cb00398d8387b22d8fa6f75f753\",\"file\", \"read\",{ \"path\":\"/etc/version\"} ] }" http://192.168.1.1/ubus

Response:

{"jsonrpc":"2.0","id":1,"result":[0,{"data":"RUT9XX_R_00.05.00.5\n"}]}

This command (file, read, highlighted in red) is an alternative to the Linux cat command we see used in the Getting router paramaters section of this guide. All you need is to specify the path (in this case /etc/version, highlighted in red) to the file that you wish to read.

Reboot


Windows:

{
    "jsonrpc":"2.0","id":1,"method":"call","params":
    [
        "5cd4b143b182c07bc578ae3310d6280e","file","exec",
        {
            "command":"reboot","params":["config"]
        }
    ]
}

Linux:

curl -d "{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"call\",\"params\":[\"5cd4b143b182c07bc578ae3310d6280e\",\"file\",\"exec\",{\"command\":\"reboot\",\"params\":[\"config\"]}]}" http://192.168.1.1/ubus

Response:

The success response for this command is an empty message. If the response contains no data, the command was executed successfully.

Set SIM card information


In this last example we'll try to change the mobile connection's MTU and Service mode values.

Windows:

{
    "jsonrpc":"2.0", "id":1, "method":"call", "params": 
    [
        "558a9b03c940e52f373f8c02498952e3", "uci", "set",
        {
            "config":"simcard", "type":"sim1", "match":
            {
                "service":"auto",
                "mtu":"1500"
            },
            "values":
            {
                "service":"lte-only",
                "mtu":"1476"
            }
        }
    ]
}

Linux:

curl -d "{\"jsonrpc\":\"2.0\", \"id\":1, \"method\":\"call\", \"params\":[\"558a9b03c940e52f373f8c02498952e3\", \"uci\", \"set\", {\"config\":\"simcard\", \"type\":\"sim1\", \"match\":{\"service\":\"auto\", \"mtu\":\"1500\"}, \"values\":{\"service\":\"lte-only\", \"mtu\":\"1476\"} } ] }" http://192.168.1.1/ubus

Response:

{"jsonrpc":"2.0","id":1,"result":[0]}

The command used is uci set (highlighted in red). The config file name is simcard, section sim1, options mtu and service (configs, sections and options highlighted in orange). The response shown above is a positive response, but don't forget to execute uci commit and luci-reload afterwards or else your changes will not take effect. The usage of uci commit and luci-reload commands is described here (for Windows) and here (for Linux).

External links

[[Category:{{{name}}} Configuration Examples]]