[Bluez-users] rfcomm: permission denied

[Bluez-users] rfcomm: permission denied

[Zbigniew Diaczyszyn (gmx)]

I'm working with Suse 8.2 and a Typhoon Bluetooth modem. I had it =
working - once. Now rfcomm is just saying: permission denied. The =
following lines are a protocol of bluetooth session. I have no idea at =
all in which  config-files I should look for a solution. /bin/bluepin =
ist just a < cat /etc/bluetooth/bluepin >. I'm working as root and =
/dev/rfcomm0 ist belonging to root.

Zbigniew Diaczyszyn        z.dia@gmx.de

-------------------------------------------------------------------------=
---------
linux:~ # hcid
linux:~ # hciconfig -a
hci0:   Type: USB
        BD Address: 00:10:60:A6:97:8C ACL MTU: 192:8  SCO MTU: 64:8
        UP RUNNING PSCAN ISCAN
        RX bytes:129 acl:0 sco:0 events:18 errors:0
        TX bytes:569 acl:0 sco:0 commands:18 errors:0
        Features: 0xff 0xff 0x0f 0x00
        Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
        Link policy: HOLD SNIFF PARK
        Link mode: SLAVE ACCEPT
        Name: 'Typhoon (0)'
        Class: 0x000100
        Service Classes: Unspecified
        Device Class: Computer, Uncategorized
        HCI Ver: 1.1 (0x1) HCI Rev: 0x20d LMP Ver: 1.1 (0x1) LMP Subver: =
0x20d
        Manufacturer: Cambridge Silicon Radio (10)

linux:~ # rfcomm bind 0 00:10:60:A6:97:8C
linux:~ # rfcomm show
rfcomm0: 00:10:60:A6:97:8C channel 1 clean
linux:~ # hcitool scan
Scanning ...
        00:10:60:29:AC:2C       BluetoothModem
linux:~ # rfcomm connect 0 00:10:60:29:AC:2C
Can't connect RFCOMM socket: Permission denied

linux:~ # sdptool browse
Inquiring ...
Failed to connect to SDP server on 00:10:60:29:AC:2C




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Re: [Bluez-users] rfcomm: permission denied

[Marcel Holtmann]

Hi Zbigniew,

> linux:~ # rfcomm bind 0 00:10:60:A6:97:8C
> linux:~ # rfcomm show
> rfcomm0: 00:10:60:A6:97:8C channel 1 clean
> linux:~ # hcitool scan
> Scanning ...
>         00:10:60:29:AC:2C       BluetoothModem
> linux:~ # rfcomm connect 0 00:10:60:29:AC:2C
> Can't connect RFCOMM socket: Permission denied

this can't work. If you bind the device you don't need an additional
connect. You only have to open /dev/rfcomm0 with pppd or any other TTY
related program.

Regards

Marcel




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Re: [Bluez-users] rfcomm: permission denied

[Marcel Holtmann]

Hi Zbigniew,

> ----- Original Message ----- 
> 
> > > linux:~ # rfcomm connect 0 00:10:60:29:AC:2C
> > > Can't connect RFCOMM socket: Permission denied
> > 
> > this can't work. If you bind the device you don't need an additional
> > connect. You only have to open /dev/rfcomm0 with pppd or any other TTY
> > related program.
> --------------------------------------------------------
> Well, having done this (suse 8.2, ppp1 is directed to /dev/rfcomm0) the kinternet protocol tells that there is <no route to host>:
> 
> SuSE Meta pppd (smpppd-ifcfg), Version 1.00 on linux.
> trying to connect to smpppd
> connect to smpppd
> We are disconnected.
> We are connecting.
> pppd: Plugin passwordfd.so loaded.
> pppd: Failed to open /dev/rfcomm0: No route to host
> We are disconnected.
> pppd died: Serial port open failed (exit code 7)
> 
> the proprietary mask tells: crw-rw----         root dialout         /dev/rfcomm0

create a dump file with "hcidump -w <file>".

Regards

Marcel




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Re: [Bluez-users] rfcomm: permission denied

[Zbigniew Diaczyszyn (gmx)]

Hallo Marcel,

----- Original Message -----=20

> > linux:~ # rfcomm connect 0 00:10:60:29:AC:2C
> > Can't connect RFCOMM socket: Permission denied
>=20
> this can't work. If you bind the device you don't need an additional
> connect. You only have to open /dev/rfcomm0 with pppd or any other TTY
> related program.
--------------------------------------------------------
Well, having done this (suse 8.2, ppp1 is directed to /dev/rfcomm0) the =
kinternet protocol tells that there is <no route to host>:

SuSE Meta pppd (smpppd-ifcfg), Version 1.00 on linux.
trying to connect to smpppd
connect to smpppd
We are disconnected.
We are connecting.
pppd: Plugin passwordfd.so loaded.
pppd: Failed to open /dev/rfcomm0: No route to host
We are disconnected.
pppd died: Serial port open failed (exit code 7)

the proprietary mask tells: crw-rw----         root dialout         =
/dev/rfcomm0

[Bluez-users] rfcomm: permission denied

[Zbigniew Diaczyszyn (gmx)]

Hello Marcel,

I have compiled hcidump on my system (suse 8.2), but hcidump seems to =
have crashed down. I had to terminate the process with Ctrl-C:

linux:~ # hcidump -w info.txt
HCIDump - HCI packet analyzer ver 1.5
device: hci0 snap_len: 1028 filter: 0xffffffff

Is this a hardware problem or a wrong compilation of hcidump?

thanks in advance

Zbigniew




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Re: [Bluez-users] rfcomm: permission denied

[Marcel Holtmann]

Hi Zbigniew,

> I have compiled hcidump on my system (suse 8.2), but hcidump seems to have crashed down. I had to terminate the process with Ctrl-C:
> 
> linux:~ # hcidump -w info.txt
> HCIDump - HCI packet analyzer ver 1.5
> device: hci0 snap_len: 1028 filter: 0xffffffff
> 
> Is this a hardware problem or a wrong compilation of hcidump?

no, everything works fine. Terminate it with CTRL-C and send us the
dump.

Regards

Marcel




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[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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