[Bluez-users] rfcomm: permission denied

[Bluez-users] rfcomm: permission denied

[Zbigniew Diaczyszyn (gmx)]

Hi Marcel,

sorry, but the file is empty :-(

Zbigniew

---------------------------------------------------------------

linux:/home/dia # hcidump -w hcidump.log
HCIDump - HCI packet analyzer ver 1.5
device: hci0 snap_len: 1028 filter: 0xffffffff

linux:/home/dia # ls -l hcidump.log
-rw-rws---    1 root     root            0 Feb 13 23:32 hcidump.log






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Re: [Bluez-users] rfcomm: permission denied

[Marcel Holtmann]

Hi Zbigniew,

> sorry, but the file is empty :-(
> 
> ---------------------------------------------------------------
> 
> linux:/home/dia # hcidump -w hcidump.log
> HCIDump - HCI packet analyzer ver 1.5
> device: hci0 snap_len: 1028 filter: 0xffffffff
> 
> linux:/home/dia # ls -l hcidump.log
> -rw-rws---    1 root     root            0 Feb 13 23:32 hcidump.log

if this happens then there was no traffic on the HCI layer. Check again,
because this can't be true.

Regards

Marcel




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Re: [Bluez-users] hcidump, was: rfcomm: permission denied

[Marcel Holtmann]

Hi Zbigniew,

> > > sorry, but the file is empty :-(
> 
> > if this happens then there was no traffic on the HCI layer. Check again,
> > because this can't be true.
> 
> well; I tried again and waited for more then 5 minutes: apparently there is no traffic...
> 
> Any idea how to produce it?

you ran it as root, right?

Regards

Marcel




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Re: [Bluez-users] hcidump, was: rfcomm: permission denied

[Marcel Holtmann]

Hi Zbigniew,

> Right. After I had started the hcid daemon. The USB dongle is placed in the notebook.
> 
> Just for understanding: 
> the adress I get from hciconfig is the adress from my USB dongle, and I have to bind it to rfcomm?

yes, hciconfig shows you the local address of your device. For rfcomm
you have to use the remote address.

Regards

Marcel




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Re: [Bluez-users] hcidump, was: rfcomm: permission denied

[Zbigniew Diaczyszyn (gmx)]

Hi Marcel,

> yes, hciconfig shows you the local address of your device. For rfcomm
> you have to use the remote address.

Well, I tried so once again, but hcidump is silent...

Perhaps the following kernel warning in /var/log/messages can show the =
way to a solution:

Feb 19 22:22:54 linux su: (to root) dia on /dev/pts/1
Feb 19 22:22:54 linux su: pam_unix2: session started for user root, =
service su
Feb 19 22:30:11 linux pppd[3070]: Plugin passwordfd.so loaded.
Feb 19 22:30:11 linux pppd[3070]: pppd 2.4.1 started by root, uid 0
Feb 19 22:30:13 linux hcid[1307]: link_key_request =
(sba=3D8C:97:A6:60:10:00, dba=3D2C:AC:29:60:10:00)
-------------------------------------------------------------------------=
------
Feb 19 22:30:13 linux kernel: Warning: null TTY for (d8:00) in =
tty_fasync
-------------------------------------------------------------------------=
------
Feb 19 22:30:13 linux pppd[3070]: Failed to open /dev/rfcomm0: =
Permission denied
Feb 19 22:30:13 linux pppd[3070]: Exit.
Feb 19 22



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Re: [Bluez-users] hcidump, was: rfcomm: permission denied

[Marcel Holtmann]

Hi Zbigniew,

> Perhaps the following kernel warning in /var/log/messages can show the way to a solution:
> 
> Feb 19 22:22:54 linux su: (to root) dia on /dev/pts/1
> Feb 19 22:22:54 linux su: pam_unix2: session started for user root, service su
> Feb 19 22:30:11 linux pppd[3070]: Plugin passwordfd.so loaded.
> Feb 19 22:30:11 linux pppd[3070]: pppd 2.4.1 started by root, uid 0
> Feb 19 22:30:13 linux hcid[1307]: link_key_request (sba=8C:97:A6:60:10:00, dba=2C:AC:29:60:10:00)

if you see this, there is something on the HCI layer.

> Feb 19 22:30:13 linux pppd[3070]: Failed to open /dev/rfcomm0: Permission denied
> Feb 19 22:30:13 linux pppd[3070]: Exit.

The Bluetooth authorization failed, but I can tell you only more if you
send me the dump from hcidump.

Regards

Marcel




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Re: [Bluez-users] rfcomm socket message: function not implemented

[Zbigniew Diaczyszyn (gmx)]

Hi Marcel,

> > Feb 19 22:30:13 linux hcid[1307]: link_key_request =
(sba=3D8C:97:A6:60:10:00, dba=3D2C:AC:29:60:10:00)
>=20
> if you see this, there is something on the HCI layer.

Indeed. I'm now able proudly to present the hcidump-activity. Meanwhile =
I have updated to Suse 9.0 and recompiled hcidump. The error message has =
changed :-)

< HCI Command: Create Connection(0x01|0x0005) plen 13
> HCI Event: Command Status(0x0f) plen 4
> HCI Event: Link Key Request(0x17) plen 6
> HCI Event: Connect Complete(0x03) plen 11

And here is the protocol from kinternet:
------------------------------
SuSE Meta pppd (smpppd-ifcfg), Version 1.06 on linux.
...
Status is: connecting
pppd[0]: Plugin passwordfd.so loaded.
pppd[0]: Failed to open /dev/rfcomm0: Function not implemented
Status is: disconnected
pppd[0] died: Serial port open failed (exit code 7)
---------------------------------------


=20





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Re: [Bluez-users] rfcomm socket message: function not implemented

[Marcel Holtmann]

Hi Zbigniew,

> Indeed. I'm now able proudly to present the hcidump-activity. Meanwhile I have updated to Suse 9.0 and recompiled hcidump. The error message has changed :-)
> 
> < HCI Command: Create Connection(0x01|0x0005) plen 13
> > HCI Event: Command Status(0x0f) plen 4
> > HCI Event: Link Key Request(0x17) plen 6
> > HCI Event: Connect Complete(0x03) plen 11

write the binary dump to a file with -w, or show us the output with -x.

> And here is the protocol from kinternet:
> ------------------------------
> SuSE Meta pppd (smpppd-ifcfg), Version 1.06 on linux.
> ...
> Status is: connecting
> pppd[0]: Plugin passwordfd.so loaded.
> pppd[0]: Failed to open /dev/rfcomm0: Function not implemented
> Status is: disconnected
> pppd[0] died: Serial port open failed (exit code 7)
> ---------------------------------------

I am pretty sure that you have the same PIN helper problem like many
others do.

Regards

Marcel




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Re: [Bluez-users] rfcomm socket message: function not implemented

[Zbigniew Diaczyszyn (gmx)]

[-- Attachment #1: Type: text/plain, Size: 331 bytes --]

Hi Marcel,

> I am pretty sure that you have the same PIN helper problem like many
> others do.

So I will not lose hope to get working the BT interface ...

Attached you will find the binary file in hcidump.log and the files for the pinhelper-stuff: bluepin is just an cat-command.

Thanks in advance!

Zbigniew




[-- Attachment #2: hcidump.log --]
[-- Type: application/octet-stream, Size: 95 bytes --]

[-- Attachment #3: bluepin --]
[-- Type: application/octet-stream, Size: 37 bytes --]

#!/bin/bash
cat /etc/bluetooth/pin

[-- Attachment #4: hcid.conf --]
[-- Type: application/octet-stream, Size: 1447 bytes --]

#
# HCI daemon configuration file.
#
# $Id: hcid.conf,v 1.3 2002/07/18 18:12:46 maxk Exp $
#

# HCId options
options {
	# Automatically initialize new devices
	autoinit yes;

	# Security Manager mode
	#   none - Security manager disabled
	#   auto - Use local PIN for incoming connections
	#   user - Always ask user for a PIN
	#
	# security auto;

	# Pairing mode
	#   none  - Pairing disabled
	#   multi - Allow pairing with already paired devices
	#   once  - Pair once and deny successive attempts
	pairing multi;

	# PIN helper
	pin_helper /bin/bluepin;
}

# Default settings for HCI devices
device {
	# Local device name
	#   %d - device id
	#   %h - host name
	name "Typhoon (%d)";

	# Local device class
	class 0x100;

	# Default packet type
	#pkt_type DH1,DM1,HV1;

	# Inquiry and Page scan
	iscan enable; pscan enable;

	# Default link mode
	#   none   - no specific policy 
	#   accept - always accept incoming connections
	#   master - become master on incoming connections,
	#            deny role switch on outgoing connections
	#
	#lm accept,master;
	#
	lm accept;

	# Default link policy
	#   none    - no specific policy
	#   rswitch - allow role switch
	#   hold    - allow hold mode
	#   sniff   - allow sniff mode
	#   park    - allow park mode
	#
	#lp hold,sniff;
	#
	lp hold,sniff,park;

	# Authentication and Encryption
	#auth enable;
	#encrypt enable;
}

Re: [Bluez-users] rfcomm socket message: function not implemented

[Marcel Holtmann]

Hi Zbigniew,

> So I will not lose hope to get working the BT interface ...
> 
> Attached you will find the binary file in hcidump.log and the files for the pinhelper-stuff: bluepin is just an cat-command.

the /bin/bluepin script should look like this

	#!/bin/sh
	echo "PIN:0000"

and you must make sure that the script is executable.

Regards

Marcel




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Re: [Bluez-users] rfcomm socket message: function not implemented

[Marcel Holtmann]

Hi Zbigniew,

> > the /bin/bluepin script should look like this
> > 
> > #!/bin/sh
> > echo "PIN:0000"
> > 
> > and you must make sure that the script is executable.

is the hcid running?

> I did so, but the only reaction was: function not implemented. I got the same result when I typed:
> 
> echo "PIN:xxxx" > /dev/rfcomm0

This is wrong and I never said that you should do this.

Regards

Marcel




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Re: [Bluez-users] rfcomm socket message: function not implemented

[Zbigniew Diaczyszyn (gmx)]

Hi Marcel,

> is the hcid running?

Yes. (according to ps -ax).

Regards

Zbigniew






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