Gammu - Entry is empty, cannot set SMSC - linux

Short description:
when I try to send a SMS I receive the error: "Failed to get SMSC number from phone."
so I try to set the SMSC number and I receive the error: "Entry is empty."
Commnads are:
root#mail:/home/victor# echo "Dragon Ball super is Awsome!" | gammu --sendsms TEXT +40740863629
Failed to get SMSC number from phone.
root#mail:/home/victor# gammu setsmsc 1 "+40748438759"
Entry is empty.
Result of command gammu identify is:
root#mail:/home/victor# gammu identify
Device : /dev/ttyUSB0
Manufacturer : Qualcomm
Model : unknown (HSDPA Modem)
Firmware : 01.02.04 1 [Nov 27 2015 14:33:39]
SIM IMSI : +CIMI:226102317883481
Maybe my device is not supported by gammu?
This is my configuration file ... I tried different configuration:
[gammu]
port = /dev/ttyUSB0
model =
connection = at19200
synchronizetime = no
logfile = /var/log/gammu.log
logformat = textall
use_locking =
gammuloc =
I used my Ubuntu gammu version 1.37.

I just read the manual of the device, the solution is to load the right driver:
modprobe usbserial vendor=0x5c6 product=0x6000
After this the SMS can be send, no need to set SMSC manualy

Related

IP addressing of the equipment behind the router for SNMP

I am trying to develop a Traps receiver for SNMPv1 and SNMPv2c with OpenVPN. I have used the PURESNMP and PYSNMP libraries with Python. PYSNMP can receive SNMPv1 and SNMPv2c Traps, while PURESNMP only works with SNMPv2c. My project works as follows: the OpenVPN file is loaded into a Router so that it can connect, and several devices are connected behind the Router to be monitored by SNMP.
OpenVPN Router IP: 10.8.0.18,
LAN Router IP: 192.168.2.1
Team A IP: 192.168.2.3
OpenVPN Server IP: 10.8.0.1
Client2 IP: 10.8.0.10
I manage to receive the Traps, but I cannot distinguish where the information comes from, if in the LAN behind the Router how is it possible to identify from which the alarm came. This is the Team's SNMPv1 Trap response:
Agent is listening SNMP Trap on 10.8.0.10 , Port : 162
-------------------------------------------------- ------------------------
SourceIP: ('10.8.0.18', 49181)
----------------------Received new Trap message------------------------ ---
1.3.6.1.2.1.1.3.0 = 910296
1.3.6.1.6.3.1.1.4.1.0 = 1.3.6.1.4.1.1918.2.13.0.700
1.3.6.1.6.3.18.1.3.0 = 10.168.2.3
1.3.6.1.6.3.18.1.4.0 = public
1.3.6.1.6.3.1.1.4.3.0 = 1.3.6.1.4.1.1918.2.13
1.3.6.1.4.1.1918.2.13.10.111.12.0 = 1
1.3.6.1.4.1.1918.2.13.10.111.10.0 = 3
1.3.6.1.4.1.1918.2.13.10.111.11.0 = Digital Input 1
1.3.6.1.4.1.1918.2.13.10.111.14.0 = 4
1.3.6.1.4.1.1918.2.13.10.10.40.0 = System Location
1.3.6.1.4.1.1918.2.13.10.10.50.0 = SiteName
1.3.6.1.4.1.1918.2.13.10.10.60.0 = SiteAddress
1.3.6.1.4.1.1918.2.13.10.111.13.0 = Input D01 Disconnected.
In “IP Source”, a function is used to obtain the source IP, but it shows me the IP of the Router and not of the device that is alarmed. If you look at the third line of the traps, it indicates a source IP that the SNMPV1 protocol itself has incorporated:
1.3.6.1.6.3.18.1.3.0 = 10.168.2.3
But it is not from the device or from the Router, it is as if the Router's network segment had been mixed with the device's hots segment. This is the response when receiving SNMPv2c Traps:
Agent is listening SNMP Trap on 10.8.0.10 , Port : 162
-------------------------------------------------- --------------------------
SourceIP: ('10.8.0.18', 49180)
----------------------Received new Trap message------------------------ -----
1.3.6.1.2.1.1.3.0 = 896022
1.3.6.1.6.3.1.1.4.1.0 = 1.3.6.1.4.1.1918.2.13.20.700
1.3.6.1.4.1.1918.2.13.10.111.12.0 = 1
1.3.6.1.4.1.1918.2.13.10.111.10.0 = 3
1.3.6.1.4.1.1918.2.13.10.111.11.0 = Digital Input 1
1.3.6.1.4.1.1918.2.13.10.111.14.0 = 5
1.3.6.1.4.1.1918.2.13.10.10.40.0 = System Location
1.3.6.1.4.1.1918.2.13.10.10.50.0 = SiteName
1.3.6.1.4.1.1918.2.13.10.10.60.0 = SiteAddress
1.3.6.1.4.1.1918.2.13.10.111.13.0 = Input D01 Disconnected.
In Trap SNMPv2c, you can only get the source IP but it shows the IP of the Router, but it does not work for me since there are several devices behind the Router, and there is no way to identify which one the alarm came from. I am doing the tests from an OpenVPN client, and not yet from the server, it will be uploaded to the server once it works well.
Could you help me because that can happen. Since I thought it was a problem with the libraries and I used another trap receiving software and the answer was the same.
This is the Server configuration:
port 1194
proto udp
dev tun
ca ca.crt
cert server.crt
key server.key
dh none
server 10.8.0.0 255.255.0.0
ifconfig-pool-persist /var/log/openvpn/ipp.txt
client-config-dir ccd
route 192.168.0.0 255.255.0.0
keepalive 10 120
tls-crypt ta.key
cipher AES-256-GCM
auth SHA256
user nobody
group nogroup
persist-key
persist-tun
status /var/log/openvpn/openvpn-status.log
verb 3
explicit-exit-notify 1
This is the client configuration:
client
dev tun
proto udp
remote x.x.x.x 1194
resolv-retry infinite
nobind
user nobody
group nogroup
persist-key
persist-tun
remote-cert-tls server
cipher AES-256-GCM
auth SHA256
key-direction 1
verb 3
<ca>
</ca>
<cert>
</cert>
<key>
</key>
<tls-crypt>
#
#
</tls-crypt>
Firewall configuration on the server:
# START OPENVPN RULES
# NAT table rules
*nat
:POSTROUTING ACCEPT [0:0]
# Allow traffic from OpenVPN client to eth0 (change to the interface you discovered!)
-A POSTROUTING -s 10.8.0.0/8 -o eth0 -j MASQUERADE
COMMIT
# END OPENVPN RULES
This is the code to Receive SNMPv1 and SNMPv2c Traps:
from pysnmp.carrier.asynsock.dispatch import AsynsockDispatcher
#python snmp trap receiver
from pysnmp.entity import engine, config
from pysnmp.carrier.asyncore.dgram import udp
from pysnmp.entity.rfc3413 import ntfrcv
from pysnmp.proto import api
datosnmp = []
snmpEngine = engine.SnmpEngine()
TrapAgentAddress='10.8.0.10' #Trap listerner address
Port=162 #trap listerner port
print("Agent is listening SNMP Trap on "+TrapAgentAddress+" , Port : " +str(Port))
print('--------------------------------------------------------------------------')
config.addTransport(snmpEngine, udp.domainName + (1,), udp.UdpTransport().openServerMode((TrapAgentAddress, Port)))
#Configure community here
config.addV1System(snmpEngine, 'my-area', 'public')
def cbFun(snmpEngine, stateReference, contextEngineId, contextName,varBinds, cbCtx):
global datosnmp
#while wholeMsg:
execContext = snmpEngine.observer.getExecutionContext('rfc3412.receiveMessage:request')
print("IP Source: ", execContext['transportAddress']) #IP Origen del Trap
#print('snmpEngine : {0}'.format(snmpEngine))
#print('stateReference : {0}'.format(stateReference))
#print('contextEngineId : {0}'.format(contextEngineId))
#print('contextName : {0}'.format(contextName))
#print('cbCtx : {0}'.format(cbCtx))
print('{0}Received new Trap message{0}\n'.format('-' * 40))
for oid, val in varBinds:
datosnmp.append(val.prettyPrint())
print('%s = %s' % (oid.prettyPrint(), val.prettyPrint())) #name = OID, val = contenido de la OID
#print(datosnmp)
ntfrcv.NotificationReceiver(snmpEngine, cbFun)
snmpEngine.transportDispatcher.jobStarted(1)
try:
snmpEngine.transportDispatcher.runDispatcher()
except:
snmpEngine.transportDispatcher.closeDispatcher()
raise
Could you please help me if it could be a configuration error of the OpenVPN server, or maybe something else needs to be added. Have you seen a similar lake?
Any comment is appreciated.

Is there a way to check the Socket Priority with Wireshark or Tcpdump?

I am doing some changes in the SO_PRIORITY of the socket that sends UDP packets, using the command setsockopt, is there a way to see that changes with Wireshark or Tcpdump.
I read that can be DSF (Differentiated Services Field), but I am not sure because when I make the changes I see that this field is 00.
I am running a Linux Mint 19.3
It is part of the 802.1Q header. For ex:
> 802.1Q Virtual LAN, PRI: 5, DEI: 0, ID: 4
101. .... .... .... = Priority: Voice, < 10ms latency and jitter (5)
...0 .... .... .... = DEI: Ineligible
.... 0000 0000 0100 = ID: 4
Type: IPv6 (0x86dd)

Winsock 2 discovering Bluetooth devices only showing previously paired devices

I am currently trying to use the WINSOCK 2 API in order to discover available Bluetooth devices near by. I am using code which is based on a Microsoft example which can be found here.
I am mainly using WSALookupServiceNext to iterate through the available devices. The issue is that I only get a list of previous paired Bluetooth devices, and I am not seeing any other devices. I added some code in order to print device information:
*********************
Winsock search started!
*********************
Device #:1
Device name:MagicBox II
Device connected: 0
Device remembered: 1
Device authenticated: 1
Remote Bluetooth device is 0x00025b3dc371, server channel = 0
Local Bluetooth device is 0x84ef18b8460a, server channel = 0
Device #:2
Device name:Mpow Flame
Device connected: 0
Device remembered: 1
Device authenticated: 1
Remote Bluetooth device is 0x501801101c68, server channel = 0
Local Bluetooth device is 0x84ef18b8460a, server channel = 0
Device #:3
Device name:WH-1000XM2
Device connected: 0
Device remembered: 1
Device authenticated: 1
Remote Bluetooth device is 0x702605aba41d, server channel = 0
Local Bluetooth device is 0x84ef18b8460a, server channel = 0
Device #:4
Device name:Magicbuds
Device connected: 0
Device remembered: 1
Device authenticated: 1
Remote Bluetooth device is 0x5017032a701b, server channel = 0
Local Bluetooth device is 0x84ef18b8460a, server channel = 0
Here is the corresponding code section, ( I did call WSAStartup beforehand):
void WSALookupAvailableDevices(void)
{
WSAQUERYSET wsaQuery{};
LPWSAQUERYSET pwsaResults{};
HANDLE hLookup{};
CSADDR_INFO *pAddrInfo{};
SOCKADDR_BTH *pBtSockRemote{},
*pBtSockLocal{};
char buffer[4096] = {};
int nDevicesFound = 1;
DWORD swSize = sizeof(buffer);
DWORD flags = LUP_RETURN_ADDR | LUP_RETURN_NAME | LUP_RES_SERVICE | LUP_CONTAINERS | LUP_RETURN_BLOB | LUP_RETURN_TYPE;
/*Preparing the query set*/
wsaQuery.dwNameSpace = NS_BTH;
wsaQuery.dwSize = sizeof(WSAQUERYSET);
if (WSALookupServiceBegin(&wsaQuery, flags, &hLookup) == SOCKET_ERROR)
{
wprintf(L"Shit something went wrong! error: %d!\n", WSAGetLastError());
return;
}
wprintf(L"*********************\n");
wprintf(L"Winsock search started!\n");
wprintf(L"*********************\n\n");
/*Preparing the queryset return buffer*/
pwsaResults = (LPWSAQUERYSET)buffer;
pwsaResults->dwNameSpace = NS_BTH;
pwsaResults->dwSize = sizeof(WSAQUERYSET);
while (WSALookupServiceNext(hLookup, flags, &swSize, pwsaResults) == NO_ERROR)
{
pAddrInfo = (CSADDR_INFO*)pwsaResults->lpcsaBuffer;
pBtSockRemote = (SOCKADDR_BTH*)(pwsaResults->lpcsaBuffer->RemoteAddr.lpSockaddr);
pBtSockLocal = (SOCKADDR_BTH*)(pwsaResults->lpcsaBuffer->LocalAddr.lpSockaddr);
wprintf(L"Device #:%d\n", nDevicesFound);
wprintf(L"Device name:%s\n", pwsaResults->lpszServiceInstanceName);
wprintf(L"Device connected: %d\n", (pwsaResults->dwOutputFlags & BTHNS_RESULT_DEVICE_CONNECTED));
wprintf(L"Device remembered: %d\n", (pwsaResults->dwOutputFlags & BTHNS_RESULT_DEVICE_REMEMBERED)>0);
wprintf(L"Device authenticated: %d\n", (pwsaResults->dwOutputFlags & BTHNS_RESULT_DEVICE_AUTHENTICATED)>0);
wprintf(L"Remote Bluetooth device is 0x%04x%08x, server channel = %d\n",
GET_NAP(pBtSockRemote->btAddr), GET_SAP(pBtSockRemote->btAddr), pBtSockRemote->port);
wprintf(L"Local Bluetooth device is 0x%04x%08x, server channel = %d\n",
GET_NAP(pBtSockLocal->btAddr), GET_SAP(pBtSockLocal->btAddr), pBtSockLocal->port);
nDevicesFound++;
}
WSALookupServiceEnd(hLookup);
wprintf(L"\n");
}
Thanks for the help in advance!
LUP_FLUSHCACHE is what you need. And yes, it will always return paired device (in addition to discovered). I mean that if device paired WSALookup returns it in the list even it is not available (turned off or out of range).
https://learn.microsoft.com/en-us/windows/desktop/bluetooth/bluetooth-and-wsalookupservicebegin-for-device-inquiry
DWORD flags = LUP_RETURN_ADDR | LUP_RETURN_NAME | LUP_RES_SERVICE | LUP_CONTAINERS | LUP_RETURN_BLOB | LUP_RETURN_TYPE | LUP_FLUSHCACHE;
But the best way to discover devices is to use this flags set.
DWORD flags = LUP_RETURN_ADDR | LUP_CONTAINERS | LUP_FLUSHCACHE;
Also it is good idea to provide additional information (BTH_QUERY_DEVICE) so you can set discovering timeout and other params
BTH_QUERY_DEVICE qDev;
qDev.LAP = 0;
qDev.length = bTimeout; // Timeout in seconds
BLOB Blb;
Blb.cbSize = sizeof(BTH_QUERY_DEVICE);
Blb.pBlobData = (PBYTE)&qDev;
QuerySet.lpBlob = &Blb;
https://learn.microsoft.com/th-th/windows/desktop/api/ws2bth/ns-ws2bth-_bth_query_device
After discovering completed (please note that WSALookupServiceBegin takes time (blocks) until discovering finished) you can use BluetoothGetDeviceInfo to get extended information such as device's name and other info.
https://learn.microsoft.com/en-us/windows/desktop/api/bluetoothapis/nf-bluetoothapis-bluetoothgetdeviceinfo
You should know that because of some Bluetooth limitations name resolution can be executed only after discovering completed. And this operation may take time. So if you call to BluetoothGetDeviceInfo right after discovering completed you can still get empty device name for new discovered devices (devices that was not previouslt discovered).
There is not easy way to resolve this issue except switch to WinRT API or wait for some time before reading device name. You also can use WM_DEVICECHANGE message to get notification about device name resolution
https://learn.microsoft.com/en-us/windows/desktop/bluetooth/bluetooth-and-wm-devicechange-messages
And there is one more problem: MS stack always returnsd paired devices during discovering even they are not available.

TinyX shows display using builtin fbtft touchscreen driver but touch doesn't work

I'm using an "adafruitts" touchscreen with a raspi to control a usb peripheral.
The full raspbian kernel takes forever to boot (50 seconds), and part of that is due to the touchscreen driver loading (by modprobe/udev) and initializing.
During the first 20-30 seconds of boot, the display is not loaded, so it is blank. I need this to be a user-friendly item that cannot be blank for 30 seconds each time it is turned on, so I've used buildroot to build a small kernel with the touchscreen driver built-in. (I am on a steep learning curve with buildroot and kernel building in general).
The display driver is fbtft_device.c patched to include the adafruitts display. This patch defines the "touch" half:
/* Touch device spi-half of adafruit touchscreen */
.name = "adafruitts",
.spi = &(struct spi_board_info) {
.modalias = "stmpe610",
.max_speed_hz = 500000,
.mode = SPI_MODE_0,
.chip_select = 1,
.platform_data = &(struct stmpe_platform_data) {
.blocks = STMPE_BLOCK_TOUCHSCREEN | STMPE_BLOCK_GPIO,
.irq_over_gpio = 1,
.irq_gpio = 24,
.irq_trigger = IRQF_TRIGGER_FALLING,
.irq_base = GPIO_IRQ_START + GPIO_IRQS,
.ts = &(struct stmpe_ts_platform_data) {
.sample_time = 4,
.mod_12b = 1,
.ref_sel = 0,
.adc_freq = 2,
.ave_ctrl = 3,
.touch_det_delay = 4,
.settling = 2,
.fraction_z = 7,
.i_drive = 0,
},
}
},
.is_support = 1,
.gpio_settings = (struct gpio_setting []) {
{
.gpio = 24,
.pull = pull_up,
}
},
.gpio_num_settings = 1,
},
and the LCD half:
}, {
/* LCD component of adafruit touchscreen */
.name = "adafruitts",
.spi = &(struct spi_board_info) {
.modalias = "fb_ili9340",
.max_speed_hz = 16000000,
.mode = SPI_MODE_0,
.chip_select = 0,
.platform_data = &(struct fbtft_platform_data) {
.display = {
.buswidth = 8,
.backlight = 1,
},
.bgr = true,
.gpios = (const struct fbtft_gpio []) {
{ "dc", 25 },
{},
},
}
}
}, {
by including:
fbtft_device.name=adafruitts
in the cmdline.txt for the boot loader, I've gotten the display half of the system to work (it boots in ~ 5 seconds :) ) with tinyX/matchbox desktop showing the desktop, but I cannot get the touchscreen part to work (the cursor does not move when I touch the screeen).
Somehow I have to bind the touch part of the touchscreen to tinyX, but I have not been able to figure out how to do this.
I have tried to specify the keyboard (and mouse) when launching tinyX:
X -keybd smpte610 (for example)
but X reports it cannot find the driver.
How can I verify the touch screen input device was successfully loaded?
The boot log has these messages about fbtft_device:
fbtft_device: SPI devices registered:
fbtft_device: spidev spi0.0 500kHz 8 bits mode=0x00
fbtft_device: spidev spi0.1 500kHz 8 bits mode=0x00
fbtft_device: 'fb' Platform devices registered:
fbtft_device: bcm2708_fb id=-1 pdata? no
fbtft_device: Deleting spi0.1 (spi0.1)
fbtft_device: Looking at item 0
fbtft_device: Setting pin 24 to 2
stmpe-spi: probe of spi0.1 failed with error -22
fbtft_device: Deleting spi0.0 (spi0.0)
Console: switching to colour frame buffer device 40x30
graphics fb0: fb_ili9340 frame buffer, 320x240, 150 KiB video memory, 16 KiB buffer memory, fps=20, spi0.0 at 16 MHz
fbtft_device: GPIOS used by 'adafruitts':
fbtft_device: 'dc' = GPIO25
fbtft_device: SPI devices registered:
fbtft_device: stmpe610 spi0.1 48000kHz 8 bits mode=0x00
fbtft_device: fb_ili9340 spi0.0 16000kHz 8 bits mode=0x00
kgdb: Registered I/O driver kgdboc.
Is the kgdb message associated with fbtft_device or something else?
If I look in /dev/input I see: event0, event1, and mice. event0 and event1 are associated with an attached keyboard (according to the boot log) and I have no mouse attached. Should there be some other items in input?
If the touch screen input device IS loaded, how to I specify the correct driver for tinyX?
Thanks
What I learned:
By comparing the boot messages in my modprobe/udev/module loading kernel with the fast built-in kernel, it shows:
stmpe-spi: probe of spi0.1 failed with error -22
is a "bad" thing.
A successful driver load will say (something like):
bcm2708_spi.0: registered child spi0.0
and then later:
input: stmpe-ts as /devices/virtual/input/input0
I fixed the "probe" failure by making these changes to my kernel configuration file. (Sorry, I don't want to include the whole thing, so these are the changes from when I had the issue to when the driver successfully loaded according to the syslog):
< Touch Did Not respond > Touch Did respond
> CONFIG_INPUT_FF_MEMLESS=y
< CONFIG_INPUT_POLLDEV=m > CONFIG_INPUT_POLLDEV=y
< CONFIG_INPUT_EVDEV=m > CONFIG_INPUT_EVDEV=y
< CONFIG_TOUCHSCREEN_STMPE=m > CONFIG_TOUCHSCREEN_STMPE=y
> CONFIG_KEYBOARD_STMPE=y
< CONFIG_SERIO=m > CONFIG_SERIO_SERPORT=m
> CONFIG_SPI_DEBUG=y
< CONFIG_SPI_SPIDEV=y
> CONFIG_SPI_GPIO=y
My main objective with these changes was to try to make sure that the dependent drivers were also built-in, and I enabled the debug. (Some of these were magically set by menuconfig, and this is diff from the "non-default" values from buildroot, so the diff is - different)
With this config, I now have event0, event1, event2, mice, and mouse0. The syslog says event1 and event2 are associated with the usb keyboard I have attached. I have no extra mouse attached.
I could use "evtest" to see events from /dev/input/event0 whenever I touched the display. evtest'ing /dev/input/mouse0 threw "Inappropriate ioctl for device"
I restarted X (tinyX) using:
X -mouse mouse,,/dev/input/mouse0
and touches worked, but the touch axis is rotated from the display axis.
I could not figure out a way to fix this in tinyX, so I'm going with a full blown Xorg implementation.
Make sure you have enabled the evdev input support in tinyx (BR2_PACKAGE_XSERVER_XORG_SERVER_KDRIVE_EVDEV) and use the syntax specified in hw/kdrive/src/kinput.c:
/*
* You can call your kdriver server with something like:
* $ ./hw/kdrive/yourserver/X :1 -mouse evdev,,device=/dev/input/event4 -keybd
* evdev,,device=/dev/input/event1,xkbmodel=abnt2,xkblayout=br
*/

Understanding the Scapy "Mac address to reach destination not found. Using broadcast." warning

If I generate an Ethernet frame without any upper layers payload and send it at layer two with sendp(), then I receive the "Mac address to reach destination not found. Using broadcast." warning and frame put to wire indeed uses ff:ff:ff:ff:ff:ff as a destination MAC address. Why is this so? Shouldn't the Scapy send exactly the frame I constructed?
My crafted package can be seen below:
>>> ls(x)
dst : DestMACField = '01:00:0c:cc:cc:cc' (None)
src : SourceMACField = '00:11:22:33:44:55' (None)
type : XShortEnumField = 0 (0)
>>> sendp(x, iface="eth0")
WARNING: Mac address to reach destination not found. Using broadcast.
.
Sent 1 packets.
>>>
Most people encountering this issue are incorrectly using send() (or sr(), sr1(), srloop()) instead of sendp() (or srp(), srp1(), srploop()). For the record, the "without-p" functions like send() are for sending layer 3 packets (send(IP())) while the "with-p" variants are for sending layer 2 packets (sendp(Ether() / IP())).
If you define x like I do below and use sendp() (and not send()) and you still have this issue, you should probably try with the latest version from the project's git repository (see https://github.com/secdev/scapy).
I've tried:
>>> x = Ether(src='01:00:0c:cc:cc:cc', dst='00:11:22:33:44:55')
>>> ls(x)
dst : DestMACField = '00:11:22:33:44:55' (None)
src : SourceMACField = '01:00:0c:cc:cc:cc' (None)
type : XShortEnumField = 0 (0)
>>> sendp(x, iface='eth0')
.
Sent 1 packets.
At the same time I was running tcpdump:
# tcpdump -eni eth0 ether host 00:11:22:33:44:55
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
12:33:47.774570 01:00:0c:cc:cc:cc > 00:11:22:33:44:55, 802.3, length 14: [|llc]

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