ssh shell/ftp access for PocketBook Pro readers - Page 6

rkomar · 10-08-2015, 11:20 AM

It's a good sign that netagent is in the same place and accepting the "connect" argument. I don't know how to get a list of valid options for the command. Running "strings /ebrmain/bin/netagent" gives an idea of what the program is capable of. It seems to be quite complicated.

Anyway, look in the /var/tmp directory. There are various temporary log files stored there, including netagent.log and wpa.log. Maybe you can get a hint of what's going on from those. You can also run the dmesg command right after running netagent to show all of the log messages written out by the kernel. Perhaps there's an error message somewhere among the other messages.

komar · 10-09-2015, 11:45 PM

Thank you for sshd

Everything work perfectly on my PocketBook 626.

I have big library, and like keep it in sync, and I prefer use rsync. It's much faster then scp/sftp for big library.
So I build it.

There is build instruction, and binary.

How to use it.

Code:

$ rsync -rve 'ssh -p 1124 -l sreader' <IP>:/mnt/ext1/library ~

I make alias for that:

Code:

$ alias pb-sync="rsync -rve 'ssh -p 2222 -l sreader' <IP>:/mnt/ext1/library ~"

I also build sh_ivtool also, becouse I did't find binary for by book.

I think it's good idea to put this to your achives

aldoem · 10-27-2015, 04:33 AM

I try to sync my pocketbook with rsync over ssh, to a ssh server, but i pbsshd_1.3_fwv5.zip don't have the ssh client inside. @rkomar could you post it. THX in advance Aldo

rkomar · 10-27-2015, 01:27 PM

Quote:

Originally Posted by aldoem

I try to sync my pocketbook with rsync over ssh, to a ssh server, but i pbsshd_1.3_fwv5.zip don't have the ssh client inside. @rkomar could you post it. THX in advance Aldo

Hmm, I'm not sure how useful this would be. You don't really have a home directory on the device, so there will be trouble with the known_hosts file. Anyway, I've built the ssh and sftp binaries for firmware version 5 and attached them here. Try them out and let me know if you can use them. If so, I may add them to the zip files I distribute here.

I didn't include them before because I didn't foresee anyone trying to use the device as a ssh client. I expected that people would use it as @komar did, using the device as an sshd server, and pushing the communication from outside clients.

aldoem · 10-29-2015, 02:17 AM

Sync from Server_IP to Pocketbook, triggered from Pocketbook via Utelnetd.
ssh and rsync program are in /mnt/ext1/system/bin/
need a ssh key: /mnt/ext1/applications/ssh_key in pocketbook
and in server_IP add the public key to ~/.ssh/authorized_keys file
command:
rsync -arce "ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -i /mnt/ext1/applications/ssh_key" user@Server_IP:/Path_to_Library/ /mnt/ext1/Path_to_Library/ 2>/dev/null
build app in progress...
thanks @rkomar for your help.

cherocee · 11-02-2015, 03:44 PM

Sorry for the extremely late reply. My job kept me terrible busy for the last weeks.

In pbterm I did run
strings /ebrmain/bin/netagent
and received 3 or 4 pages of output.I piped this into /mnt/ext2/test.log.txt. I do not understand this file. Sorry. I have attached the .log.txt file to this post.

Quote:

Originally Posted by rkomar

Anyway, look in the /var/tmp directory. There are various temporary log files stored there, including netagent.log and wpa.log.

I could only find the netagent.log. I was unable to find the wpa .log.
Since I did not understand the netagent.log, I am attaching it to this post as netagent.log.txt (My browser refused to upload a file with the extension .log?)

rkomar · 11-02-2015, 04:33 PM

You don't have to send the strings output for netagent; I can do that on my own device.

Do you get the menu to choose which WiFi access point to connect to when you run netagent?

To see if you are connected to the network, run "ifconfig" in pbterm after running netagent. If you are a connected, you will see an entry for the "eth0" interface with the IP address given. If you aren't connected, nothing will be printed out.

cherocee · 11-02-2015, 05:43 PM

I am not sure if I understood your reply correctly.

In pbterm I ran:
/ebrmain/bin/netagent connect
and received

netagent called with parameters <connect>

I did not obtain any menu to choose which WiFi access point. But I do not obtain this when connecting with the WiFi connect button either. I obtain this menu only when I forget to switch the WiFi on.

I ran in pbterm ifconfig
and did not obtain any output - I think I am not connected after using above command to start the netagent in pbterm.

To be on the safe side I did manually connect via the WIFI button
and ran (after seeing the WIFI icon in the upper right corner) ifconfig again. Output:
eth0 Link encap:Ethernet HWaddr AC:A2:13:9F:19:5E
inet addr:192.168.1.116 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:560 errors:0 dropped:37 overruns:0 frame:0
TX packets:84 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:53049 (51.8 KiB) TX bytes:22830 (22.2 KiB)

So I think the netagent connect command does not seem to connect me to the WiFi.

rkomar · 11-02-2015, 06:23 PM

I don't have any WiFi button in the notification panel on my older devices, so it looks like that has changed in recent firmware versions. It sounds like you're going to have to enable the WiFi by hand first before starting the sshd application.

cherocee · 11-03-2015, 08:47 AM

I will start the WiFi manually and than the sshd application. Very glad about this option.

raev · 12-21-2016, 05:16 AM

Rob, thank you for this very helpful application!

I can confirm it works on the new PB 625. It comes with FW 4.4, so I used the pbsshd_1.3_fwv5.zip archive and the "sreader" user.

SFTP works like a charm.

There is some issue with connecting the SSH terminal. I don't really need it right now, but just to let you know:

Code:

$ ssh -p 1124 sreader@192.168.1.162
Connection to 192.168.1.162 closed by remote host.
Connection to 192.168.1.162 closed.

rkomar · 12-21-2016, 10:57 AM

Try adding the "-T" option to your ssh command. I don't think that recent firmwares allow the opening of pseudo-terminals.

raev · 12-23-2016, 02:53 PM

Yes. It works with the -T options. Thank you!

Peter16 · 06-11-2017, 10:41 AM

Hi,
I can not get working pbsshd_1.3_fwv5.zip on a Pocketbook Touch HD Modell 631 with Software: U631.5.16.479 from 20170309_134205

I created with file 'create-keys' a new key pair, copied to computer (win10) and converted the private to a ppk with puttykeygen. But with putty and WinSCP I get an error: bad service request ssh-connection
I activated in sshd_start the debug log, which is below.
Can someone help?
Thanks,
Peter

Code:

debug1: sshd version OpenSSH_5.9p1
debug1: private host key: #0 type 0 RSA1
debug1: read PEM private key done: type DSA
debug1: private host key: #1 type 2 DSA
debug1: read PEM private key done: type ECDSA
debug1: private host key: #2 type 3 ECDSA
debug1: read PEM private key done: type RSA
debug1: private host key: #3 type 1 RSA
debug1: setgroups() failed: Operation not permitted
debug1: rexec_argv[0]='/mnt/ext1/applications/pb_sshd/usr/sbin/sshd'
debug1: rexec_argv[1]='-f'
debug1: rexec_argv[2]='/mnt/ext1/applications/pb_sshd/etc/ssh/sshd_config'
debug1: rexec_argv[3]='-h'
debug1: rexec_argv[4]='/mnt/ext1/applications/pb_sshd/etc/ssh/ssh_host_key'
debug1: rexec_argv[5]='-h'
debug1: rexec_argv[6]='/mnt/ext1/applications/pb_sshd/etc/ssh/ssh_host_dsa_key'
debug1: rexec_argv[7]='-h'
debug1: rexec_argv[8]='/mnt/ext1/applications/pb_sshd/etc/ssh/ssh_host_ecdsa_key'
debug1: rexec_argv[9]='-h'
debug1: rexec_argv[10]='/mnt/ext1/applications/pb_sshd/etc/ssh/ssh_host_rsa_key'
debug1: rexec_argv[11]='-d'
debug1: rexec_argv[12]='-e'
Set /proc/self/oom_score_adj from -1000 to -1000
socket: Address family not supported by protocol
debug1: Bind to port 1124 on 0.0.0.0.
Server listening on 0.0.0.0 port 1124.
debug1: Server will not fork when running in debugging mode.
debug1: rexec start in 4 out 4 newsock 4 pipe -1 sock 7
debug1: sshd version OpenSSH_5.9p1
debug1: private host key: #0 type 0 RSA1
debug1: read PEM private key done: type DSA
debug1: private host key: #1 type 2 DSA
debug1: read PEM private key done: type ECDSA
debug1: private host key: #2 type 3 ECDSA
debug1: read PEM private key done: type RSA
debug1: private host key: #3 type 1 RSA
debug1: setgroups() failed: Operation not permitted
debug1: inetd sockets after dupping: 3, 3
Connection from 192.168.121.25 port 2080
debug1: Client protocol version 2.0; client software version PuTTY_Release_0.65
debug1: no match: PuTTY_Release_0.65
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_5.9
debug1: list_hostkey_types: ssh-dss,ecdsa-sha2-nistp256,ssh-rsa
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: client->server aes256-ctr hmac-sha2-256 none
debug1: kex: server->client aes256-ctr hmac-sha2-256 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST received
WARNING: /usr/local/etc/moduli does not exist, using fixed modulus
debug1: SSH2_MSG_KEX_DH_GEX_GROUP sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_INIT
debug1: SSH2_MSG_KEX_DH_GEX_REPLY sent
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: KEX done
debug1: bad service request ssh-connection
Disconnecting: bad service request ssh-connection
debug1: do_cleanup

xl743 · 06-28-2017, 07:48 PM

Has anyone tried this for PB 840 InkPad 2 with firmware 5.15? I used instructions for #27 and tried this with PuTTY and Filezilla but it didn't work. PuTTY window closes immediately with log:

Code:

=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2017.06.29 02:02:14 =~=~=~=~=~=~=~=~=~=~=~=
login as: sreader
Authenticating with public key "imported-openssh-key"

I tried all the recommendations from above with keys and even tried to emulate ssh -T option with PuTTY "Don't allocate a pseudo-terminal".

Filezilla says "unexpected end-of-line symbol" after keys exchange.

Any help please?

10-09-2015, 11:45 PM	#77
komar Junior Member Posts: 1 Karma: 34828 Join Date: Oct 2015 Device: PocketBook 626	rsync Thank you for sshd Everything work perfectly on my PocketBook 626. I have big library, and like keep it in sync, and I prefer use rsync. It's much faster then scp/sftp for big library. So I build it. There is build instruction, and binary. How to use it. Code: $ rsync -rve 'ssh -p 1124 -l sreader' <IP>:/mnt/ext1/library ~ I make alias for that: Code: $ alias pb-sync="rsync -rve 'ssh -p 2222 -l sreader' <IP>:/mnt/ext1/library ~" I also build sh_ivtool also, becouse I did't find binary for by book. I think it's good idea to put this to your achives

11-02-2015, 05:43 PM	#83
cherocee Member Posts: 15 Karma: 10 Join Date: Nov 2014 Device: tablet, pocketbook touch lux 2 (626)	I am not sure if I understood your reply correctly. In pbterm I ran: /ebrmain/bin/netagent connect and received netagent called with parameters <connect> I did not obtain any menu to choose which WiFi access point. But I do not obtain this when connecting with the WiFi connect button either. I obtain this menu only when I forget to switch the WiFi on. I ran in pbterm ifconfig and did not obtain any output - I think I am not connected after using above command to start the netagent in pbterm. To be on the safe side I did manually connect via the WIFI button and ran (after seeing the WIFI icon in the upper right corner) ifconfig again. Output: eth0 Link encap:Ethernet HWaddr AC:A2:13:9F:19:5E inet addr:192.168.1.116 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:560 errors:0 dropped:37 overruns:0 frame:0 TX packets:84 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:53049 (51.8 KiB) TX bytes:22830 (22.2 KiB) So I think the netagent connect command does not seem to connect me to the WiFi. Last edited by cherocee; 11-02-2015 at 05:52 PM.

11-03-2015, 08:47 AM	#85
cherocee Member Posts: 15 Karma: 10 Join Date: Nov 2014 Device: tablet, pocketbook touch lux 2 (626)	thanks for your efforts I will start the WiFi manually and than the sshd application. Very glad about this option.

12-21-2016, 05:16 AM	#86
raev Junior Member Posts: 2 Karma: 10 Join Date: Dec 2016 Device: PocketBook Basic Touch 2 - PB625	Rob, thank you for this very helpful application! I can confirm it works on the new PB 625. It comes with FW 4.4, so I used the pbsshd_1.3_fwv5.zip archive and the "sreader" user. SFTP works like a charm. There is some issue with connecting the SSH terminal. I don't really need it right now, but just to let you know: Code: $ ssh -p 1124 sreader@192.168.1.162 Connection to 192.168.1.162 closed by remote host. Connection to 192.168.1.162 closed.

06-28-2017, 07:48 PM	#90
xl743 Member Posts: 19 Karma: 32720 Join Date: Apr 2015 Device: Kindle Oasis, Pocketbook 840-2	Has anyone tried this for PB 840 InkPad 2 with firmware 5.15? I used instructions for #27 and tried this with PuTTY and Filezilla but it didn't work. PuTTY window closes immediately with log: Code: =~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2017.06.29 02:02:14 =~=~=~=~=~=~=~=~=~=~=~= login as: sreader Authenticating with public key "imported-openssh-key" I tried all the recommendations from above with keys and even tried to emulate ssh -T option with PuTTY "Don't allocate a pseudo-terminal". Filezilla says "unexpected end-of-line symbol" after keys exchange. Any help please?

10-08-2015, 11:20 AM	#76
rkomar Wizard Posts: 2,985 Karma: 18343081 Join Date: Oct 2010 Location: Sudbury, ON, Canada Device: PRS-505, PB 902, PRS-T1, PB 623, PB 840, PB 633	It's a good sign that netagent is in the same place and accepting the "connect" argument. I don't know how to get a list of valid options for the command. Running "strings /ebrmain/bin/netagent" gives an idea of what the program is capable of. It seems to be quite complicated. Anyway, look in the /var/tmp directory. There are various temporary log files stored there, including netagent.log and wpa.log. Maybe you can get a hint of what's going on from those. You can also run the dmesg command right after running netagent to show all of the log messages written out by the kernel. Perhaps there's an error message somewhere among the other messages.

10-27-2015, 04:33 AM	#78
aldoem Junior Member Posts: 2 Karma: 10 Join Date: Oct 2015 Device: pocketbook rouch 2	I try to sync my pocketbook with rsync over ssh, to a ssh server, but i pbsshd_1.3_fwv5.zip don't have the ssh client inside. @rkomar could you post it. THX in advance Aldo

10-29-2015, 02:17 AM	#80
aldoem Junior Member Posts: 2 Karma: 10 Join Date: Oct 2015 Device: pocketbook rouch 2	Sync from Server_IP to Pocketbook, triggered from Pocketbook via Utelnetd. ssh and rsync program are in /mnt/ext1/system/bin/ need a ssh key: /mnt/ext1/applications/ssh_key in pocketbook and in server_IP add the public key to ~/.ssh/authorized_keys file command: rsync -arce "ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -i /mnt/ext1/applications/ssh_key" user@Server_IP:/Path_to_Library/ /mnt/ext1/Path_to_Library/ 2>/dev/null build app in progress... thanks @rkomar for your help.

11-02-2015, 04:33 PM	#82
rkomar Wizard Posts: 2,985 Karma: 18343081 Join Date: Oct 2010 Location: Sudbury, ON, Canada Device: PRS-505, PB 902, PRS-T1, PB 623, PB 840, PB 633	You don't have to send the strings output for netagent; I can do that on my own device. Do you get the menu to choose which WiFi access point to connect to when you run netagent? To see if you are connected to the network, run "ifconfig" in pbterm after running netagent. If you are a connected, you will see an entry for the "eth0" interface with the IP address given. If you aren't connected, nothing will be printed out.

11-02-2015, 06:23 PM	#84
rkomar Wizard Posts: 2,985 Karma: 18343081 Join Date: Oct 2010 Location: Sudbury, ON, Canada Device: PRS-505, PB 902, PRS-T1, PB 623, PB 840, PB 633	I don't have any WiFi button in the notification panel on my older devices, so it looks like that has changed in recent firmware versions. It sounds like you're going to have to enable the WiFi by hand first before starting the sshd application.

12-21-2016, 10:57 AM	#87
rkomar Wizard Posts: 2,985 Karma: 18343081 Join Date: Oct 2010 Location: Sudbury, ON, Canada Device: PRS-505, PB 902, PRS-T1, PB 623, PB 840, PB 633	Try adding the "-T" option to your ssh command. I don't think that recent firmwares allow the opening of pseudo-terminals.

12-23-2016, 02:53 PM	#88
raev Junior Member Posts: 2 Karma: 10 Join Date: Dec 2016 Device: PocketBook Basic Touch 2 - PB625	Yes. It works with the -T options. Thank you!

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