Re: After updating 'arping' to 2.15: can't login with SSH

[Matthias Fischer <matthias.fischer@ipfire.org>]

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Hi Erik,

I can't explain, but your changes made it! After using your lfs-file for 
'arping 2.15', the first tests are all ok. SSH is working as expected 
and I can login through PuTTY.

Thanks again! ;-)

Best,
Matthias


On 07.12.2015 18:48, Matthias Fischer wrote:
> On 07.12.2015 15:05, ue wrote:
>> Hi Matthias,
>> have build also arping-2.15 (should be the same since i have here an
>> appropriate md5sum) but i have only copied it like /libnet
>> /usr/lib/libnet.so usr/lib/libnet.so.1 /usr/lib/libnet.so.1.7.0 also
>> from my building environment to the productive one (no fresh .iso
>> Install) and have had here no problem with SSH but also arping works
>> as expected:
>
> Hm... ;-)
>
>> -> arping -h
>> ARPing 2.15, by Thomas Habets <thomas(a)habets.se>
>> usage: arping [ -0aAbdDeFpPqrRuUv ] [ -w <us> ] [ -W <sec> ] [ -S
>> <host/ip> ]
>>                [ -T <host/ip ] [ -s <MAC> ] [ -t <MAC> ] [ -c <count> ]
>>                [ -C <count> ] [ -i <interface> ] [ -m <type> ]
>> <host/ip/MAC | -B>
>> For complete usage info, use --help or check the manage.
>
> I had exactly the same output, so I thought that everything could be
> fine. It wasn't...
>
>> As a beneath info my arping LFS differs a little to yours in
>> Installation Details" section:
>
> I'll try again with your settings. Devel is running.
>
>> ###############################################################################
>>
>> # Installation Details
>> ###############################################################################
>>
>>
>> $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
>>     @$(PREBUILD)
>>     @rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar zxf $(DIR_DL)/$(DL_FILE)
>>     cd $(DIR_APP) && ./bootstrap.sh
>>     cd $(DIR_APP) && ./configure --prefix=/usr
>>
>>     cd $(DIR_APP) && make $(MAKETUNING)
>>     cd $(DIR_APP) && make install
>>
>>     @rm -rf $(DIR_APP)
>>     @$(POSTBUILD)
>>
>>
>> but i think this aren´t a explanation causing your SSH problem which i
>> currently can not´t reproduce here.
>
> Thanks a lot - we'll see...
>
> Best,
> Matthias
>
>> Greetings,
>>
>> Erik
>>
>>
>>
>> Am 06.12.2015 um 14:49 schrieb Matthias Fischer:
>>
>>> Hi,
>>>
>>> it came to my view
>>> (https://forum.ipfire.org/viewtopic.php?f=27&t=15377&sid=a93f68dc580a6301bb3afe3a85d0c44d#p92425)
>>> that there is an update for 'arping'. New version is 2.15 (IPFire:
>>> 2.05). Having the time, I tried.
>>>
>>> First results:
>>>
>>> - After some lfs-changes building seems ok, Diffs are as follows:
>>>
>>> ***SNIP***
>>> diff --git a/lfs/arping b/lfs/arping
>>> index 13eb05e..7680fdb 100644
>>> --- a/lfs/arping
>>> +++ b/lfs/arping
>>> @@ -1,7 +1,7 @@
>>> ###############################################################################
>>>
>>> #         #
>>> # IPFire.org - A linux based firewall         #
>>> -# Copyright (C) 2007  Michael Tremer & Christian Schmidt        #
>>> +# Copyright (C) 2015  Michael Tremer & Christian Schmidt        #
>>> #         #
>>> # 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        #
>>> @@ -24,7 +24,7 @@
>>>
>>> include Config
>>>
>>> -VER        = 2.05
>>> +VER        = 2.15
>>>
>>> THISAPP    = arping-$(VER)
>>> DL_FILE    = $(THISAPP).tar.gz
>>> @@ -40,7 +40,7 @@ objects = $(DL_FILE)
>>>
>>> $(DL_FILE) = $(DL_FROM)/$(DL_FILE)
>>>
>>> -$(DL_FILE)_MD5 = 96e7c2ce8ae09046e264a314eeaac4dd
>>> +$(DL_FILE)_MD5 = 676584f6eb4ccc8c70fc6b2c702df75d
>>>
>>> install : $(TARGET)
>>>
>>> @@ -70,7 +70,8 @@ $(subst %,%_MD5,$(objects)) :
>>> $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
>>>     @$(PREBUILD)
>>>     @rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar zxf $(DIR_DL)/$(DL_FILE)
>>> +    cd $(DIR_APP) && ./configure --prefix=/usr
>>>     cd $(DIR_APP) && make $(MAKETUNING)
>>> -    cd $(DIR_APP) && install -m 0755 arping /usr/sbin
>>> +    cd $(DIR_APP) && make install-exec
>>>     @rm -rf $(DIR_APP)
>>>     @$(POSTBUILD)
>>> ***SNAP***
>>>
>>> Resulting binary is a bit small. Smaller than expected. Ok,
>>> nevertheless - ("...this will NOT work...!") -  copied it to
>>> '/usr/sbin' (after making a backup... ;-) ).
>>>
>>> Rebooting the machine showed no visible problems. At first. But after
>>> starting SSH, I couldn't no longer login with PuTTY. Exactly NOTHING
>>> happens.
>>>
>>> SSH-Log shows:
>>>
>>> ...
>>> 11:18:02    sshd[2852]:     Server listening on 0.0.0.0 port 222.
>>> 11:18:02    sshd[2852]:     Server listening on :: port 222.
>>> 11:18:02    sshd[2859]:     error: Bind to port 222 on 0.0.0.0
>>> failed: Address already in use.
>>> 11:18:02    sshd[2859]:     error: Bind to port 222 on :: failed:
>>> Address already in use.
>>> 11:18:02    sshd[2859]:     fatal: Cannot bind any address.
>>> ...
>>>
>>> Copied the old 'arping 2.05' back to '/usr/sbin', rebooted, PuTTY works.
>>>
>>> Ok, so there is something missing (in lfs!?), probably
>>> configure-options, which is beyond my small programming skills. If
>>> anyone is interested in the new 'arping'-version and capable of this:
>>> any hints are welcome. ;-)
>>>
>>> Best,
>>> Matthias
>>
>>
>
>