From libssh2-devel-bounces@cool.haxx.se Wed Jun 1 06:06:45 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5146HWf020166; Wed, 1 Jun 2011 06:06:40 +0200 Received: from mail-pv0-f182.google.com (mail-pv0-f182.google.com [74.125.83.182]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5146DfH019750 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Wed, 1 Jun 2011 06:06:14 +0200 Received: by pvg11 with SMTP id 11so2963453pvg.41 for ; Tue, 31 May 2011 21:06:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=rFDuJqImwq4h1JR0fXduStke9MJMBJv3pRUpUuNIuGY=; b=g2yGbaN5noHuv3GvLFk1zNCBWUVqKx+2bAqvA2oBvTMsoRkRsQiz80EaMn+DDPvh+4 6jih2iSICHPfxxqm6gzImOYQq1ZfT1Q0WNPu0DHVuZsEK2Jyxtjj8yYnebBpayPpVyhv CvxHqbbN+iFHu3dSbdmnC/cJxciaYuzPX8ygc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=C1Tw1lIwaW0igYnt8/7qAKPK5oCBa2wwjY8kDyAYuS9JtXy+/DI/pBovnB2+fKuw0G rs+SnQTbdYinmjaZWSEgIhjd8N8aGyPUoxA8XG7nJrmdFlUygW+WabAkiuQS0cGXLD02 93qdDolOe2tNwz4EG9mT/DZZGZNECxUPn3r0w= MIME-Version: 1.0 Received: by 10.68.23.99 with SMTP id l3mr887949pbf.302.1306901166802; Tue, 31 May 2011 21:06:06 -0700 (PDT) Received: by 10.68.58.137 with HTTP; Tue, 31 May 2011 21:06:06 -0700 (PDT) In-Reply-To: References: Date: Wed, 1 Jun 2011 00:06:06 -0400 Message-ID: Subject: Re: Core dump when authentication fails? From: Saqib Ali To: libssh2 development X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Wed, 01 Jun 2011 06:06:45 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Wed, 01 Jun 2011 06:06:15 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1299644755==" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se --===============1299644755== Content-Type: multipart/alternative; boundary=bcaec5215677cdc5a604a49ea31a --bcaec5215677cdc5a604a49ea31a Content-Type: text/plain; charset=ISO-8859-1 > > > I'll still test your changes. But can I get them from the daily snapshot >> for June 1, 2011? >> > > Sure! I've pushed them so they'll be included in upcoming snapshots. > > > It works great. Thanks! % myProg Enter File Name: myFile Enter IP Addr: myIPAddr Enter User Name: myUser Enter Password: badpassword * About to connect() to myIPAddr port 22 (#0) * Trying XX.XX.XXX.XXX... * Connected to myIPAddr (XX.XX.XXX.XXX) port 22 (#0) * SSH authentication methods available: gssapi-keyex,gssapi-with-mic,publickey,password,keyboard-interactive * Using ssh public key file /home/me/.ssg/id_dsa.pub * Using ssh private key file /home/me/.ssh/id_dsa * SSH public key authentication failed: Unable to open public key file * Authentication failure * Closing connection #0 Elapsed Time: 17 seconds | Xfer Stopped! stillRunning = 0 curl_multi_remove_handle() was successfull! --bcaec5215677cdc5a604a49ea31a Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

I'll still test your changes. But can I get them from the daily snapsho= t for June 1, 2011?

Sure! I've pushed them so they'll be included in upcoming snapshots= .


<= div>
It works great. Thanks!

% myProg
Enter File Name: myFile
Enter IP Addr: myIPAdd= r
Enter User Name: myUser
Enter Password: badpassword
* About to connect() to=A0myIPAddr=A0port 22 (#0)
* =A0 = Trying XX.XX.XXX.XXX... * Connected to=A0myIPAddr=A0(XX.XX.XXX.XXX) port 22= (#0)
* SSH authentication methods available: gssapi-keyex,gssapi-with-mic,p= ublickey,password,keyboard-interactive
* Using ssh public key fil= e /home/me/.ssg/id_dsa.pub
* Using ssh private key file /home/me/= .ssh/id_dsa
* SSH public key authentication failed: Unable to open public key file=
* Authentication failure
* Closing connection #0
=
Elapsed Time: 17 seconds | Xfer Stopped! stillRunning =3D 0
curl_multi_remove_handle() was successfull!

--bcaec5215677cdc5a604a49ea31a-- --===============1299644755== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel --===============1299644755==-- From libssh2-devel-bounces@cool.haxx.se Wed Jun 1 08:54:20 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p516s41R008322; Wed, 1 Jun 2011 08:54:18 +0200 Received: from giant.haxx.se (giant.haxx.se [80.67.6.50]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p516s3L8008316 for ; Wed, 1 Jun 2011 08:54:03 +0200 Date: Wed, 1 Jun 2011 08:54:03 +0200 (CEST) From: Daniel Stenberg X-X-Sender: dast@giant.haxx.se To: libssh2 development Subject: Re: Core dump when authentication fails? In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) X-fromdanielhimself: yes MIME-Version: 1.0 X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Wed, 01 Jun 2011 08:54:20 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Wed, 01 Jun 2011 08:54:04 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se On Wed, 1 Jun 2011, Saqib Ali wrote: >> Sure! I've pushed them so they'll be included in upcoming snapshots. > It works great. Thanks! Great! Thanks for verifying and getting back to us. -- / daniel.haxx.se _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Wed Jun 1 09:42:30 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p517gFgb003621; Wed, 1 Jun 2011 09:42:27 +0200 Received: from mail.dn-systems.net (amalthea.dnx.de [193.108.181.146]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p517gCFe003570 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=NOT) for ; Wed, 1 Jun 2011 09:42:13 +0200 Received: from aktaia.intevation.org ([212.95.126.10]:44337 helo=intevation.de) by mail.dn-systems.net with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.69) (envelope-from ) id 1QRg3q-0003Ei-KQ for libssh2-devel@cool.haxx.se; Wed, 01 Jun 2011 09:41:52 +0200 Date: Wed, 1 Jun 2011 09:41:43 +0200 From: Michael Wiegand To: Libssh2 Development Mailing List Subject: Trouble with public key authentication Message-ID: <20110601074143.GA14703@intevation.de> Mail-Followup-To: Libssh2 Development Mailing List MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.18 (2008-05-17) X-Spam-Score: -3.3 (---) X-Scan-Signature: ab0350d27fe8f4004cbddefacd92c07f X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Wed, 01 Jun 2011 09:42:30 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Wed, 01 Jun 2011 09:42:13 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by giant.haxx.se id p517gFgb003621 Hello, I am currently trying to implement ssh authentication through libssh2 in order to execute a command on the remote system and return its result. While libssh2 is working flawlessly with password authentication, I am struggling to get it to work with public key authentication. I have modeled my code for this part after the example in ssh2_exec.c -- however, when I call libssh2_userauth_publickey_fromfile() it returns the -18, which means "Username/PublicKey combination invalid" as far as I can tell. I have built libssh2 with enable-debug, enabled the trace and set the log level for the sshd on the remote system to DEBUG3. From what I can tell from the logs, libssh2 sends the public key and then receives the list of authentication methods, upon which the error is triggered: => libssh2_transport_read() plain (45 bytes) 0000: 33 00 00 00 27 70 75 62 6C 69 63 6B 65 79 2C 70 : 3...'publickey,p 0010: 61 73 73 77 6F 72 64 2C 6B 65 79 62 6F 61 72 64 : assword,keyboard 0020: 2D 69 6E 74 65 72 61 63 74 69 76 65 00 : -interactive. [libssh2] 0.640831 Transport: Packet type 51 received, length=45 [libssh2] 0.640836 Transport: Looking for packet of type: 52 [libssh2] 0.640839 Transport: Looking for packet of type: 51 [libssh2] 0.640842 Failure Event: -18 - Username/PublicKey combination invalid The sshd logs on the remote system do not show any failed login attempt, it seems that the client simply disconnects. The keypair in question works without any issues when used with "ssh -i" and with the ssh functionality I'm trying to replace. I've observed this behavior in both libssh2 1.2.7 and 1.2.8; it does not seem to make a difference whether openssl or libgcrypt is used. The private key in question is using a passphrase, if it matters. Are there any obvious mistakes I'm making which would explain this behavior? I've observed that libssh2_userauth_list() returns null if executed in a non-blocking session, so I have tried setting the session to non-blocking either after or before calling libssh2_userauth_publickey_fromfile(), but that did not change anything. If there is any other information you need, feel free to ask. I'm looking forward to hearing from you. Regards, Michael -- Michael Wiegand | Greenbone Networks GmbH | http://www.greenbone.net/ Neuer Graben 17, 49074 Osnabrück, Germany | AG Osnabrück, HR B 202460 Executive Directors: Lukas Grunwald, Dr. Jan-Oliver Wagner _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Thu Jun 2 04:33:55 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p522XTlH002991; Thu, 2 Jun 2011 04:33:50 +0200 Received: from mail102.csoft.net (postfix@mail102.csoft.net [205.205.219.4]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p522XR74002984 for ; Thu, 2 Jun 2011 04:33:27 +0200 Received: from mail102.csoft.net (localhost [127.0.0.1]) by mail102.csoft.net (Postfix) with ESMTP id 44A033EF1787; Wed, 1 Jun 2011 22:33:26 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=csoft.net; h=message-id :date:from:mime-version:to:cc:subject:content-type :content-transfer-encoding; s=sel1; bh=+Y7eiKuhI6joAIQYQGkpdCK/s CM=; b=ID5ZGsQ8/SdBH68yNcyeVWdhnI11a8JAQIoXu2yNaVRNi7+05gtAAEinR 7TU7sreuJMf3QOlHZ/1AWn5qhMR4BIr1AILCnvemlQYC2bVGJe85Xpe961yfYBYX fjuAhhQCGp5g3iT8I/0NK0/t2xcCVyODPSk/E+3+pLnSY8Q1Dg= Received: from [172.16.8.69] (c-24-34-109-241.hsd1.ma.comcast.net [24.34.109.241]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mail102.csoft.net (Postfix) with ESMTPSA id 100613EF1770; Wed, 1 Jun 2011 22:33:25 -0400 (EDT) Message-ID: <4DE6F675.5070702@fid4.com> Date: Wed, 01 Jun 2011 22:33:25 -0400 From: "Michael C. Cambria" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.17) Gecko/20110414 Thunderbird/3.1.10 MIME-Version: 1.0 To: libssh2 development Subject: Concurrent Channels on a Session X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Thu, 02 Jun 2011 04:33:55 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Thu, 02 Jun 2011 04:33:28 +0200 (CEST) Cc: "Michael C. Cambria" X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se Hi, Is it possible to have more than one channel on a session? (I might not have the terminology down just yet.) What I'm interested in doing is have one ssh connection, and using it, invoke more than one subsystems on the server with several calls to libssh2_channel_subsystem() I started looking at what sftp.c did to get one subsystem going. That helped, but since I don't know the sftp protocol, I'm not sure how much is subsystem vs sftp. I have one subsystem active. I (think I) have a second going. When I tried a third, I hit an error. Before continuing, I thought I'd ask first, just to see if such a thing is possible. It's also time now to go watch the hockey game. ;-) Thanks, MikeC _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Thu Jun 2 05:06:06 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p52360pU016213; Thu, 2 Jun 2011 05:06:05 +0200 Received: from foo.stuge.se (qmailr@foo.stuge.se [212.181.44.140]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with SMTP id p5235wPu016208 for ; Thu, 2 Jun 2011 05:05:58 +0200 Received: (qmail 27889 invoked by uid 501); 2 Jun 2011 03:05:58 -0000 Message-ID: <20110602030558.27888.qmail@stuge.se> Date: Thu, 2 Jun 2011 05:05:58 +0200 From: Peter Stuge To: libssh2-devel@cool.haxx.se Subject: Re: Concurrent Channels on a Session Mail-Followup-To: libssh2-devel@cool.haxx.se References: <4DE6F675.5070702@fid4.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <4DE6F675.5070702@fid4.com> X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Thu, 02 Jun 2011 05:06:06 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Thu, 02 Jun 2011 05:05:59 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se Michael C. Cambria wrote: > Is it possible to have more than one channel on a session? Yes. > What I'm interested in doing is have one ssh connection, and using it, > invoke more than one subsystems on the server with several calls to > libssh2_channel_subsystem() It'll work fine. > I'm not sure how much is subsystem vs sftp. All is sftp. A subsystem is just an 8-bit clean encrypted authenticated named communications channel. > I have one subsystem active. I (think I) have a second going. > When I tried a third, I hit an error. What error? Please don't just post and say there's an error. Please post detailed information about how you did what and *what* error you got. //Peter _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Thu Jun 2 12:52:48 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p52AqQUt017645; Thu, 2 Jun 2011 12:52:42 +0200 Received: from mail102.csoft.net (postfix@mail102.csoft.net [205.205.219.4]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p52AqNc2017588 for ; Thu, 2 Jun 2011 12:52:24 +0200 Received: from mail102.csoft.net (localhost [127.0.0.1]) by mail102.csoft.net (Postfix) with ESMTP id 13B993EF168A for ; Thu, 2 Jun 2011 06:52:23 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=csoft.net; h=message-id :date:from:mime-version:to:subject:references:in-reply-to :content-type:content-transfer-encoding; s=sel1; bh=ToW9mYa6uX+B EkjLPXMOYgpYpIk=; b=E20tyeeEIvFja6kkSBXKLaZtPDUHVVsjEE2RgeHLcRY4 mZZ0Oyh/SH0GmC72CuOsAtMHFtCjv6UCDeo5RcWAhR2VrT2AQQTSccYSmPBdLrHP AkOCxCeO/Qs9MG9/hKY/lvKB3pZPu9FLd2lYgxVuyWsZTuZI8Px0EvAMM7ggtdY= Received: from [172.16.8.69] (c-24-34-109-241.hsd1.ma.comcast.net [24.34.109.241]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mail102.csoft.net (Postfix) with ESMTPSA id E850A3EF166A for ; Thu, 2 Jun 2011 06:52:22 -0400 (EDT) Message-ID: <4DE76B64.6070300@fid4.com> Date: Thu, 02 Jun 2011 06:52:20 -0400 From: "Michael C. Cambria" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.17) Gecko/20110414 Thunderbird/3.1.10 MIME-Version: 1.0 To: libssh2 development Subject: Re: Concurrent Channels on a Session References: <4DE6F675.5070702@fid4.com> <20110602030558.27888.qmail@stuge.se> In-Reply-To: <20110602030558.27888.qmail@stuge.se> X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Thu, 02 Jun 2011 12:52:48 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Thu, 02 Jun 2011 12:52:24 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se On 6/1/2011 11:05 PM, Peter Stuge wrote: > Michael C. Cambria wrote: >> Is it possible to have more than one channel on a session? > Yes. > > What error? Please don't just post and say there's an error. Please > post detailed information about how you did what and *what* error you > got. Thanks. Allocating a channel structure returned NULL the 3rd time. I'm not looking for help (yet) on this, which is why I didn't post details. Before spending time trying to use multiple channels, I wanted to make sure it was possible. Thanks, MikeC _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Thu Jun 2 15:34:24 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p52DY3jg006370; Thu, 2 Jun 2011 15:34:22 +0200 Received: from foo.stuge.se (qmailr@foo.stuge.se [212.181.44.140]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with SMTP id p52DY2Qv006315 for ; Thu, 2 Jun 2011 15:34:02 +0200 Received: (qmail 30805 invoked by uid 501); 2 Jun 2011 13:34:00 -0000 Message-ID: <20110602133400.30804.qmail@stuge.se> Date: Thu, 2 Jun 2011 15:33:59 +0200 From: Peter Stuge To: libssh2-devel@cool.haxx.se Subject: Re: Concurrent Channels on a Session Mail-Followup-To: libssh2-devel@cool.haxx.se References: <4DE6F675.5070702@fid4.com> <20110602030558.27888.qmail@stuge.se> <4DE76B64.6070300@fid4.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <4DE76B64.6070300@fid4.com> X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Thu, 02 Jun 2011 15:34:24 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Thu, 02 Jun 2011 15:34:02 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se Michael C. Cambria wrote: >> What error? > > Allocating a channel structure returned NULL the 3rd time. Call libssh2_session_last_error() to find out why? And/or enable protocol tracing. Keep in mind that the max number of channels per session is a serverside policy. //Peter _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Sat Jun 4 23:15:05 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p54LEa8S014268; Sat, 4 Jun 2011 23:15:00 +0200 Received: from mail-qw0-f54.google.com (mail-qw0-f54.google.com [209.85.216.54]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p54LDU8k013980 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Sat, 4 Jun 2011 23:13:31 +0200 Received: by qwc9 with SMTP id 9so1563978qwc.41 for ; Sat, 04 Jun 2011 14:13:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:date:message-id:subject:from:to :content-type; bh=MxWYVZQnanOHoM7H9dbqc0r8MROPLUIXoYZsG/M0Sjo=; b=PKHzWW9Mhz0qfC9anHxMPhZnf9l03fl9/T4W5n1oGFixbgDrf5WdfaQKNtRwGdxx51 XxzVKAhmafd5oclm8yW2KDWnv8QUrfVhYZke+Dmq5ZFSNTV/5iDKnkTHwfDjthtPeuTT 4ALvSdq7HwaslZ0E7dpgQV/S90dqMhlvH+rGc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=WojMhCdxRByfv/aH8/BlT1gLTGjnoAZI+h9qRhw/WrdbIW5yfqaF5Up84JMis0W6VY gKDCw194grFrCzDBkZmq0gZPHeHQAg5cnrCJljktyeSHpGwpumxVL0VAxcSI58sDGEG0 IQFHreVgMj0r/wQ2Bkv2gIogLEGH5hDb+U3Is= MIME-Version: 1.0 Received: by 10.229.200.105 with SMTP id ev41mr2504107qcb.0.1307222006741; Sat, 04 Jun 2011 14:13:26 -0700 (PDT) Received: by 10.229.248.200 with HTTP; Sat, 4 Jun 2011 14:13:26 -0700 (PDT) Date: Sat, 4 Jun 2011 23:13:26 +0200 Message-ID: Subject: libssh2 does not compile with MSYS/MinGW From: Vincent Torri To: libssh2-devel@cool.haxx.se X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Sat, 04 Jun 2011 23:15:05 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Sat, 04 Jun 2011 23:13:31 +0200 (CEST) X-Mailman-Approved-At: Sat, 04 Jun 2011 23:14:35 +0200 X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0317134822==" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se --===============0317134822== Content-Type: multipart/alternative; boundary=001636ef04375ab9dd04a4e957b4 --001636ef04375ab9dd04a4e957b4 Content-Type: text/plain; charset=ISO-8859-1 Hey I've downloaded the latest stable release and compiled it with MSYS/MinGW and the examples failed to build because SOCKET is not defined (and any program/lib trying to use libssh2 with MSYS/MninGW will fail to compile) Indeed, WinSock2.h is included only with vc++. To fix that, line 90 must be replaced by #ifdef _WIN32 regards Vincent Torri --001636ef04375ab9dd04a4e957b4 Content-Type: text/html; charset=ISO-8859-1 Hey

I've downloaded the latest stable release and compiled it with MSYS/MinGW and the examples failed to build because SOCKET is not defined (and any program/lib trying to use libssh2 with MSYS/MninGW will fail to compile)

Indeed, WinSock2.h is included only with vc++. To fix that, line 90 must be replaced by

#ifdef _WIN32

regards

Vincent Torri
--001636ef04375ab9dd04a4e957b4-- --===============0317134822== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel --===============0317134822==-- From libssh2-devel-bounces@cool.haxx.se Sat Jun 4 23:18:10 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p54LI80u015842; Sat, 4 Jun 2011 23:18:10 +0200 Received: from giant.haxx.se (giant.haxx.se [80.67.6.50]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p54LI7BR015835 for ; Sat, 4 Jun 2011 23:18:07 +0200 Date: Sat, 4 Jun 2011 23:18:07 +0200 (CEST) From: Daniel Stenberg X-X-Sender: dast@giant.haxx.se To: libssh2 development Subject: Re: libssh2 does not compile with MSYS/MinGW In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) X-fromdanielhimself: yes MIME-Version: 1.0 X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Sat, 04 Jun 2011 23:18:10 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Sat, 04 Jun 2011 23:18:07 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se On Sat, 4 Jun 2011, Vincent Torri wrote: > Indeed, WinSock2.h is included only with vc++. To fix that, line 90 must be > replaced by > > #ifdef _WIN32 Line 90 of what? And is that working for cygwin as well? -- / daniel.haxx.se _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Sat Jun 4 23:22:13 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p54LMAtu019621; Sat, 4 Jun 2011 23:22:13 +0200 Received: from mail-qy0-f175.google.com (mail-qy0-f175.google.com [209.85.216.175]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p54LM8cv019487 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Sat, 4 Jun 2011 23:22:09 +0200 Received: by qyk35 with SMTP id 35so251055qyk.20 for ; Sat, 04 Jun 2011 14:22:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=MABOrXinJFPQu7kaSYlvAjkwcgUU/WsasM3OtFhQhzo=; b=jnxKM9nUiriQDuzcCk6bGLStTSTNzNs1ROMFgtCARWpkCIi45rR9b8EedKH2U640tn av0BIpQASI75DQH3jbKyVuDIKXImh413oSvx+qlNcHIMka3qjt2RNal/ElrhpFF+wDkB o6M3hi6P1PYndNZPn9OE0GZA3tdr96vp94Oro= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=sedPV6+IYRarc93frcTJ4+RNY+N8ys5jrULnSgIxeqxxd/fh+404jH9DtcHjK6hQXU ccfUuhOKQpPJhsFADr6AYZQIG3HaBS2GN0n8a+gSFhg4tX8Bqi8K5k4sYKc8n6QwnBhF nj6+mOHzky9CMNWKFACx3N1b7G8/2Xu6H4xUI= MIME-Version: 1.0 Received: by 10.229.18.134 with SMTP id w6mr2654596qca.114.1307222523366; Sat, 04 Jun 2011 14:22:03 -0700 (PDT) Received: by 10.229.248.200 with HTTP; Sat, 4 Jun 2011 14:22:03 -0700 (PDT) In-Reply-To: References: Date: Sat, 4 Jun 2011 23:22:03 +0200 Message-ID: Subject: Re: libssh2 does not compile with MSYS/MinGW From: Vincent Torri To: libssh2 development X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Sat, 04 Jun 2011 23:22:13 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Sat, 04 Jun 2011 23:22:09 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1477389375==" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se --===============1477389375== Content-Type: multipart/alternative; boundary=0016e64f51e225cda404a4e97614 --0016e64f51e225cda404a4e97614 Content-Type: text/plain; charset=ISO-8859-1 On Sat, Jun 4, 2011 at 11:18 PM, Daniel Stenberg wrote: > On Sat, 4 Jun 2011, Vincent Torri wrote: > > Indeed, WinSock2.h is included only with vc++. To fix that, line 90 must >> be replaced by >> >> #ifdef _WIN32 >> > > Line 90 of what? And is that working for cygwin as well? > oups, sorry, i forgot it : libssh2.h and it will work for cygwin. line 90 of libssh2.h is #ifdef _MSC_VER which mean that it's only for vc++ with #ifdef _WIN32, it will include the windows headers for all Windows compiler Vincent Torri --0016e64f51e225cda404a4e97614 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

On Sat, Jun 4, 2011 at 11:18 PM, Daniel = Stenberg <daniel@hax= x.se> wrote:
On Sat, 4 Jun 2011, Vincent Torri wrote:

Indeed, WinSock2.h is included only with vc++. To fix that, line 90 must be= replaced by

#ifdef _WIN32

Line 90 of what? And is that working for cygwin as well?

oups, sorry, i forgot it : libssh2.h

and it will work for cyg= win.

line 90 of libssh2.h is

#ifdef _MSC_VER

which mea= n that it's only for vc++

with

#ifdef _WIN32, it will include the windows headers for all = Windows compiler

Vincent Torri
--0016e64f51e225cda404a4e97614-- --===============1477389375== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel --===============1477389375==-- From libssh2-devel-bounces@cool.haxx.se Sat Jun 4 23:25:33 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p54LPTlx024144; Sat, 4 Jun 2011 23:25:33 +0200 Received: from giant.haxx.se (giant.haxx.se [80.67.6.50]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p54LPSQg024127 for ; Sat, 4 Jun 2011 23:25:28 +0200 Date: Sat, 4 Jun 2011 23:25:28 +0200 (CEST) From: Daniel Stenberg X-X-Sender: dast@giant.haxx.se To: libssh2 development Subject: Re: libssh2 does not compile with MSYS/MinGW In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) X-fromdanielhimself: yes MIME-Version: 1.0 X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Sat, 04 Jun 2011 23:25:33 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Sat, 04 Jun 2011 23:25:28 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se On Sat, 4 Jun 2011, Vincent Torri wrote: > oups, sorry, i forgot it : libssh2.h > > and it will work for cygwin. Thanks, pushed the fix now! -- / daniel.haxx.se _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Sat Jun 4 23:32:15 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p54LWBBo026406; Sat, 4 Jun 2011 23:32:14 +0200 Received: from mail-qw0-f54.google.com (mail-qw0-f54.google.com [209.85.216.54]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p54LW8GV026382 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Sat, 4 Jun 2011 23:32:09 +0200 Received: by qwc9 with SMTP id 9so1567089qwc.41 for ; Sat, 04 Jun 2011 14:32:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=+A9Fmc/wUIrypUIVk74crMphg/VUwUwg1h6Qh95ZTqM=; b=mYG91jbqV3A1UK77hFjalBkRVhPdxq4xknsyhudPREvpiyrhkXPS1BsbxtlOEFEjV2 fecvBhB29rswsdigBkcUd10sfVNS0tI9Joa6zmzeMoCgvoH4y1eqtCP4hdt2T7+fzCKt nEdJ1NilDut+oENWj5ppKUXg0eSeRo98PuXFU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=r2jTqx+UeISwA/dSmq/x7VZNvsMFdgS0xG/vHuNcpu6CwfLDzeVxS59QZxDAQw8V3U 33FPU9YRdL2YU5ufdaIN6Z5J283y0imZAEKbGtFMoeI/BD2vmy1B4RNSkac1bgwhqz7x 7AQQhUk24S2B7qqmd/gM9+Hmuo2/g1FeFdLck= MIME-Version: 1.0 Received: by 10.229.52.34 with SMTP id f34mr2424637qcg.275.1307223125164; Sat, 04 Jun 2011 14:32:05 -0700 (PDT) Received: by 10.229.248.200 with HTTP; Sat, 4 Jun 2011 14:32:05 -0700 (PDT) In-Reply-To: References: Date: Sat, 4 Jun 2011 23:32:05 +0200 Message-ID: Subject: Re: libssh2 does not compile with MSYS/MinGW From: Vincent Torri To: libssh2 development X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Sat, 04 Jun 2011 23:32:15 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Sat, 04 Jun 2011 23:32:09 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0052116568==" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se --===============0052116568== Content-Type: multipart/alternative; boundary=0016367d53000484dd04a4e99acc --0016367d53000484dd04a4e99acc Content-Type: text/plain; charset=ISO-8859-1 On Sat, Jun 4, 2011 at 11:25 PM, Daniel Stenberg wrote: > On Sat, 4 Jun 2011, Vincent Torri wrote: > > oups, sorry, i forgot it : libssh2.h >> >> and it will work for cygwin. >> > > Thanks, pushed the fix now! When will the next release be available ? Because in the tuto I'm written, I have to mention that modification, which is not really nice thank you Vincent Torri --0016367d53000484dd04a4e99acc Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

On Sat, Jun 4, 2011 at 11:25 PM, Daniel = Stenberg <daniel@hax= x.se> wrote:
On Sat, 4 Jun 2011, Vincent Torri wrote:

oups, sorry, i forgot it : libssh2.h

and it will work for cygwin.

Thanks, pushed the fix now!

When will the next release= be available ? Because in the tuto I'm written, I have to mention that= modification, which is not really nice

thank you

Vincent Tor= ri

--0016367d53000484dd04a4e99acc-- --===============0052116568== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel --===============0052116568==-- From libssh2-devel-bounces@cool.haxx.se Sat Jun 4 23:41:26 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p54LfK7N030113; Sat, 4 Jun 2011 23:41:25 +0200 Received: from giant.haxx.se (giant.haxx.se [80.67.6.50]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p54LfJlx030106 for ; Sat, 4 Jun 2011 23:41:19 +0200 Date: Sat, 4 Jun 2011 23:41:19 +0200 (CEST) From: Daniel Stenberg X-X-Sender: dast@giant.haxx.se To: libssh2 development Subject: Re: libssh2 does not compile with MSYS/MinGW In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) X-fromdanielhimself: yes MIME-Version: 1.0 X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Sat, 04 Jun 2011 23:41:26 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Sat, 04 Jun 2011 23:41:19 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se On Sat, 4 Jun 2011, Vincent Torri wrote: > When will the next release be available ? There's no release planned yet and this tiny change really seems like not big enough to trigger a new one. -- / daniel.haxx.se _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Sat Jun 4 23:55:58 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p54LtrKX002798; Sat, 4 Jun 2011 23:55:57 +0200 Received: from mail-qw0-f54.google.com (mail-qw0-f54.google.com [209.85.216.54]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p54LtpcG002788 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Sat, 4 Jun 2011 23:55:51 +0200 Received: by qwc9 with SMTP id 9so1571077qwc.41 for ; Sat, 04 Jun 2011 14:55:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=jc2Mnhv94DHOCx6v5q+fZd4mlOhtG/HEC9Qncq2AqSw=; b=Q/D/YV/0B3zgUHoe2DdwCh7o5AKEv+ZcqdBTLZjBnCpqSYB4YmcR4Girg4/aRdGX2/ jYE4mvp8u5stJeOVpxu427BcCutJ5HPlXcbyT+p9IHvJXk6JSmahkshV8S42dgQANB9R P2lf2zpon1iu0unbkd1ytrCTT0OdnJkiNVr2s= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=trpgMLLC5HgpKGa1E5izfUL9Z8e6CWrRt+U2uj5Qubm5wm5+YFrThDqyT0YDO1Dd67 jGc5ooJvSdb+AmASOJKX+cd5PGTxjXz6JAJAHOfHGbIx5WGaR/1eKIMwXmBBTV5OKpSR JQm191nEdHaqjTLK4Fq6Y8+mz1XwbDCeZnt+A= MIME-Version: 1.0 Received: by 10.229.227.3 with SMTP id iy3mr2745210qcb.38.1307224547801; Sat, 04 Jun 2011 14:55:47 -0700 (PDT) Received: by 10.229.248.200 with HTTP; Sat, 4 Jun 2011 14:55:47 -0700 (PDT) In-Reply-To: References: Date: Sat, 4 Jun 2011 23:55:47 +0200 Message-ID: Subject: Re: libssh2 does not compile with MSYS/MinGW From: Vincent Torri To: libssh2 development X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Sat, 04 Jun 2011 23:55:58 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Sat, 04 Jun 2011 23:55:52 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0294182320==" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se --===============0294182320== Content-Type: multipart/alternative; boundary=00163646dad8d03aa104a4e9ee6d --00163646dad8d03aa104a4e9ee6d Content-Type: text/plain; charset=ISO-8859-1 On Sat, Jun 4, 2011 at 11:41 PM, Daniel Stenberg wrote: > On Sat, 4 Jun 2011, Vincent Torri wrote: > > When will the next release be available ? >> > > There's no release planned yet and this tiny change really seems like not > big enough to trigger a new one. > the fact that it fixes compilation seems important to me, whatever its size is, but you're the maintainer. Vincent Torri --00163646dad8d03aa104a4e9ee6d Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

On Sat, Jun 4, 2011 at 11:41 PM, Daniel = Stenberg <daniel@hax= x.se> wrote:
On Sat, 4 Jun 2011, Vincent Torri wrote:

When will the next release be available ?

There's no release planned yet and this tiny change really seems like n= ot big enough to trigger a new one.

the fact that = it fixes compilation seems important to me, whatever its size is, but you&#= 39;re the maintainer.

Vincent Torri
--00163646dad8d03aa104a4e9ee6d-- --===============0294182320== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel --===============0294182320==-- From libssh2-devel-bounces@cool.haxx.se Sun Jun 5 04:54:07 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p552ri0l012882; Sun, 5 Jun 2011 04:54:04 +0200 Received: from mail09.syd.optusnet.com.au (mail09.syd.optusnet.com.au [211.29.132.190]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p552rdxH012876 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Sun, 5 Jun 2011 04:53:42 +0200 Received: from desktop2 ([203.202.164.190]) (authenticated sender sisyphus1) by mail09.syd.optusnet.com.au (8.13.1/8.13.1) with ESMTP id p552rOG3003595 for ; Sun, 5 Jun 2011 12:53:34 +1000 Message-ID: From: "Sisyphus" To: "libssh2 development" References: In-Reply-To: Subject: Re: libssh2 does not compile with MSYS/MinGW Date: Sun, 5 Jun 2011 12:52:33 +1000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6001.18416 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18612 X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Sun, 05 Jun 2011 04:54:07 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Sun, 05 Jun 2011 04:53:43 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se ----- Original Message ----- From: "Vincent Torri" > Indeed, WinSock2.h is included only with vc++. No - winsock2.h is included with mingw, too. > To fix that, line 90 must be > replaced by > > #ifdef _WIN32 That would be line 90 of include/libssh2.h which I also had to similarly alter ? (I #ifdef'd WIN32 rather than _WIN32, but I don't think that matters.) Cheers, Rob _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Wed Jun 15 07:15:30 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5F5Eus6024767; Wed, 15 Jun 2011 07:15:22 +0200 Received: from mail-yi0-f54.google.com (mail-yi0-f54.google.com [209.85.218.54]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5F5ErRv024742 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Wed, 15 Jun 2011 07:14:54 +0200 Received: by yic13 with SMTP id 13so38324yic.41 for ; Tue, 14 Jun 2011 22:14:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:date:message-id:subject:from:to :content-type; bh=A6icyXegkd597dLhLCu/v0BDAVJ/8FyMeBhvlGoYtOI=; b=qSaMndUQat9adf47+xXkk/7u5Ab5bYsEnF0rsYiFgZtp7/6XzpL3VTIt6QlE+afTjV z1TzcUf4yS02s9V6VXHhDmrwqbroVtO1gHNDBVVZjkZ7Cslh0D4r3D/izDw8sba4GpMI WmzdFKntlqpqvJotpAb+iV4f9xUeMy/5gA7fs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=vpR9djwtdGpaD/iV2cRy6vx/NkGKUfwtRZwu1ZzBW7C8bL9TnYXFgX74KTKXET+qbu CZr6vC2pLxaifH1rG87Mi9/GYZIPfjbUIDLQx+tZRzLEADWesfRxZbfYcwXgiYx6ItgK JXHirgGlx0Nfx9BDwiBQVKXL9dRCVFJ/n+tnY= MIME-Version: 1.0 Received: by 10.91.10.15 with SMTP id n15mr324829agi.77.1308114888119; Tue, 14 Jun 2011 22:14:48 -0700 (PDT) Received: by 10.90.73.7 with HTTP; Tue, 14 Jun 2011 22:14:47 -0700 (PDT) Date: Wed, 15 Jun 2011 13:14:47 +0800 Message-ID: Subject: proper buffer size for libssh2_sftp_read() From: zl liu To: libssh2 development X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Wed, 15 Jun 2011 07:15:30 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Wed, 15 Jun 2011 07:14:54 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1426594607==" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se --===============1426594607== Content-Type: multipart/alternative; boundary=0016362853ba3b57b404a5b93b34 --0016362853ba3b57b404a5b93b34 Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: quoted-printable Hi! I get a problem when i download a file about 20M bytes via non-blocking mode. the main code: do { /* loop until we fail */ while ((rc =3D libssh2_sftp_read(sftp_handle, mem, sizeof(mem))) =3D=3D LIBSSH2_ERROR_EAGAIN) { spin++; waitsocket(sock, session); /* now we wait */ } if (rc > 0) { total +=3D rc; } else { fprintf(stderr, "rc=3D%d\n", rc); break; } } while (1); if the mem size if 1024 or 1024 * 10. it will success. if the mem size is char mem[1024 * 100] or bigger, it is failed,the errno i= s -9 or -25. after enable debug trace=A3=ACit print many error messages: [libssh2] 6.535906 Failure Event: -7 - Unable to send transfer-window adjustment packet, deferring .... [libssh2] 6.515906 Failure Event: -24 - Remote sent more data than current windo w allows, truncating .... finally ,it print=A3=BA [libssh2] 6.546907 Failure Event: -25 - SFTP packet too large [libssh2] 6.546907 Failure Event: -25 - Error waiting for FXP_READ ACK rc=3D-25 11718000 bytes in 7 seconds makes 1674000.0 bytes/sec,spin: 9 [libssh2] 6.549907 Failure Event: -7 - Unable to send FXP_CLOSE command what is the reason=A3=BF another question , why not define the MACRO :LIBSSH2DEBUG in the debug mode= . when i want to enable trace=A3=ACi must define the macro LIBSSH2DEBUG manua= lly and compile it again. best regards zlliu --0016362853ba3b57b404a5b93b34 Content-Type: text/html; charset=GB2312 Content-Transfer-Encoding: quoted-printable
Hi!

I get a problem when i download a file ab= out 20M bytes via non-blocking mode.

the main code= :
    do {
       &n= bsp;/* loop until we fail */ 
        while ((rc =3D libssh2_sftp_read(sftp_hand= le, mem,
            sizeof(me= m))) =3D=3D LIBSSH2_ERROR_EAGAIN) {
       &n= bsp;        spin++;
      = ;          waitsocket(sock, session); /* now we wa= it */ 
        }
      = ;  if (rc > 0) {
          =  total +=3D rc;
        } else {
            fprintf(stderr, &qu= ot;rc=3D%d\n", rc);
          =  break;
        }
    } while (1);

if the mem si= ze if 1024 or 1024 * 10. it will success.
if the mem size is char= mem[1024 * 100] or bigger, it is failed,the errno is -9 or -25.
=
after enable debug trace=A3=ACit print many error messages:
[libs= sh2] 6.535906 Failure Event: -7 - Unable to send transfer-window adjustment=
packet, deferring
....
[libssh2] 6.515906 Fa= ilure Event: -24 - Remote sent more data than current windo
w allows, truncating
....

finally ,= it print=A3=BA
[libssh2] 6.546907 Failure Event: -25 - SFTP packe= t too large
[libssh2] 6.546907 Failure Event: -25 - Error waiting= for FXP_READ ACK
rc=3D-25
11718000 bytes in 7 seconds makes 1674000.0 bytes/s= ec,spin: 9
[libssh2] 6.549907 Failure Event: -7 - Unable to send = FXP_CLOSE command

what is the reason=A3=BF

another question , why not define the MACRO :LIBSSH2DEBUG in= the debug mode.
when i want to enable trace=A3=ACi must define t= he macro LIBSSH2DEBUG manually and compile it again.

best regards 

zlliu
--0016362853ba3b57b404a5b93b34-- --===============1426594607== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel --===============1426594607==-- From libssh2-devel-bounces@cool.haxx.se Wed Jun 15 09:23:52 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5F7NZuD032559; Wed, 15 Jun 2011 09:23:49 +0200 Received: from giant.haxx.se (giant.haxx.se [80.67.6.50]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5F7NYMQ032536 for ; Wed, 15 Jun 2011 09:23:34 +0200 Date: Wed, 15 Jun 2011 09:23:34 +0200 (CEST) From: Daniel Stenberg X-X-Sender: dast@giant.haxx.se To: libssh2 development Subject: Re: proper buffer size for libssh2_sftp_read() In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) X-fromdanielhimself: yes MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="1129329158-1790633430-1308122211=:21319" Content-ID: X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Wed, 15 Jun 2011 09:23:52 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Wed, 15 Jun 2011 09:23:34 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --1129329158-1790633430-1308122211=:21319 Content-Type: TEXT/PLAIN; CHARSET=ISO-2022-JP; format=flowed Content-ID: On Wed, 15 Jun 2011, zl liu wrote: > I get a problem when i download a file about 20M bytes via non-blocking > mode. We need more details. I've successfully transfered much larger downloads than 20M over SFTP - many times. Is this with 1.2.8? On what operating system? What server software is on the other end? > if the mem size if 1024 or 1024 * 10. it will success. But the downside will of course be that transfers will never be very fast with such a small buffer... > [libssh2] 6.535906 Failure Event: -7 - Unable to send transfer-window > adjustment packet, deferring Interesting. -7 is LIBSSH2_ERROR_SOCKET_SEND returned from _libssh2_transport_send, which afaics only can occur if send() really returns an error that isn't EAGAIN. Is the problem repeatable? Can you add some logging of exactly what is stored in errno when the LIBSSH2_ERROR_SOCKET_SEND is returned? Is that -7 line the first error you can spot in the trace output? > [libssh2] 6.515906 Failure Event: -24 - Remote sent more data than current > window allows, truncating That seems like a side-effect from the previous failure. When this happens I think it all goes downhill and badness is all over. > another question , why not define the MACRO :LIBSSH2DEBUG in the debug mode. > when i want to enable trace$B!$(Ji must define the macro LIBSSH2DEBUG manually > and compile it again. That's what we have "./configure --enable-debug" for! -- / daniel.haxx.se --1129329158-1790633430-1308122211=:21319 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel --1129329158-1790633430-1308122211=:21319-- From libssh2-devel-bounces@cool.haxx.se Wed Jun 15 11:15:09 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5F9EkQC030852; Wed, 15 Jun 2011 11:15:06 +0200 Received: from mail-ey0-f182.google.com (mail-ey0-f182.google.com [209.85.215.182]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5F9EjOY030793 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Wed, 15 Jun 2011 11:14:45 +0200 Received: by eyg7 with SMTP id 7so89690eyg.41 for ; Wed, 15 Jun 2011 02:14:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=ztL6PdrDWkB1rJkkCdmHGg+OiRAljDSBz5EYycZv3L0=; b=ilq08oEd+WoFMsNyIwI5WNLEq9WqchiXtUGbAd7d9bnvBg1Fse3q6cLMnqoKM3WIMF Ich9C0jvIukMhWfY2ZRxkPVDsZhUOCbNyJ5VoUtvNZYVuvZAVH0VejM5JoOJHqugZ+jw UOZB6645RE82c3dcU7QSqMgdgceWEzQLSJ2OY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=Fg9uCYWZ557sLOOuENXwD+106VzpkrGSvUUNNJpIOw7+xeQB/YqLzKV6lbAwLgfyNU Zb5kvyNRrXUYERmAn2KB884yXMIBezn3z8SF8Z8v57BhO2QG8m5l60OxuexT7d11Q9gj feJhaMZtO9ESvmVBqDx0BNDLU93XXZK1Zx1+w= MIME-Version: 1.0 Received: by 10.14.96.199 with SMTP id r47mr130504eef.109.1308129276464; Wed, 15 Jun 2011 02:14:36 -0700 (PDT) Received: by 10.14.99.208 with HTTP; Wed, 15 Jun 2011 02:14:36 -0700 (PDT) In-Reply-To: References: Date: Wed, 15 Jun 2011 17:14:36 +0800 Message-ID: Subject: Re: proper buffer size for libssh2_sftp_read() From: zl liu To: libssh2 development X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Wed, 15 Jun 2011 11:15:09 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Wed, 15 Jun 2011 11:14:45 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0622816012==" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se --===============0622816012== Content-Type: multipart/alternative; boundary=bcaec52be405d80e6e04a5bc94be --bcaec52be405d80e6e04a5bc94be Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: quoted-printable 2011/6/15 Daniel Stenberg > On Wed, 15 Jun 2011, zl liu wrote: > > I get a problem when i download a file about 20M bytes via non-blocking >> mode. >> > > We need more details. I've successfully transfered much larger downloads > than 20M over SFTP - many times. > > Is this with 1.2.8? On what operating system? What server software is on > the other end? yes,1.2.8. the test is running on windows 7 . the other end is Red Hat Enterprise Linux AS release 4 (Nahant Update 5) sshd version is OpenSSH_3.9p1, OpenSSL 0.9.7a Feb 19 2003 > > > if the mem size if 1024 or 1024 * 10. it will success. >> > > But the downside will of course be that transfers will never be very fast > with such a small buffer... > > > [libssh2] 6.535906 Failure Event: -7 - Unable to send transfer-window >> adjustment packet, deferring >> > > Interesting. -7 is LIBSSH2_ERROR_SOCKET_SEND returned from > _libssh2_transport_send, which afaics only can occur if send() really > returns an error that isn't EAGAIN. Is the problem repeatable? Can you ad= d > some logging of exactly what is stored in errno when the > LIBSSH2_ERROR_SOCKET_SEND is returned? > > yes the problem repeat too many times. after i modify the misc.c::445 like : fprintf(stderr, "%s, %d\n", buffer, GetLastError()); when -7, the system errno is 10035. when -24 the system errno is 0. when -25 the system errno is 10035. the followingis is parts of the message=A3=BA [libssh2] 14.483347 Failure Event: -24 - Remote sent more data than current wind ow allows, truncating, 0 [libssh2] 14.488347 Failure Event: -25 - SFTP packet too large, 10035 [libssh2] 14.488347 Failure Event: -25 - Error waiting for FXP_READ ACK, 10035 Is that -7 line the first error you can spot in the trace output? > > yes > [libssh2] 6.515906 Failure Event: -24 - Remote sent more data than curre= nt >> window allows, truncating >> > > That seems like a side-effect from the previous failure. When this happen= s > I think it all goes downhill and badness is all over. > > yes, even i reconnect ,it doesn't work. > another question , why not define the MACRO :LIBSSH2DEBUG in the debug >> mode. when i want to enable trace=A3=ACi must define the macro LIBSSH2DE= BUG >> manually and compile it again. >> > > That's what we have "./configure --enable-debug" for! > > i compile on win32 .it can not execute ./configure. > -- > > / daniel.haxx.se > _______________________________________________ > libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel > > --bcaec52be405d80e6e04a5bc94be Content-Type: text/html; charset=GB2312 Content-Transfer-Encoding: quoted-printable

2011/6/15 Daniel Stenberg <daniel@haxx.se>
=
On Wed, 15 Jun 2011, zl liu wrote:

I get a problem when i download a file about 20M bytes via non-blocking mod= e.

We need more details. I've successfully transfered much larger download= s than 20M over SFTP - many times.

Is this with 1.2.8? On what operating system? What server software is on th= e other end?
 yes,1.2.8. the test is running  on= windows 7 .
the other end is Red Hat Enterprise Linux AS release= 4 (Nahant Update 5) 
sshd version is OpenSSH_3.9p1, OpenSSL 0.9.7a Feb 19 2003


if the mem size if 1024 or 1024 * 10. it will success.

But the downside will of course be that transfers will never be very fast w= ith such a small buffer...


[libssh2] 6.535906 Failure Event: -7 - Unable to send transfer-window adjus= tment packet, deferring

Interesting. -7 is LIBSSH2_ERROR_SOCKET_SEND returned from _libssh2_transpo= rt_send, which afaics only can occur if send() really returns an error that= isn't EAGAIN. Is the problem repeatable? Can you add some logging of e= xactly what is stored in errno when the LIBSSH2_ERROR_SOCKET_SEND is return= ed?

yes  the problem  repeat too many time= s. 
after i modify the misc.c::445 like : fprintf(stder= r, "%s, %d\n", buffer, GetLastError());
when -7, the sy= stem errno is 10035.
when -24 the system errno is 0.
when -25 the system errno is= 10035.

the followingis is parts of the message=A3= =BA
[libssh2] 14.483347 Failure Event: -24 - Remote sent more dat= a than current wind
ow allows, truncating, 0
[libssh2] 14.488347 Failure Event: = -25 - SFTP packet too large, 10035
[libssh2] 14.488347 Failure Ev= ent: -25 - Error waiting for FXP_READ ACK, 10035

Is that -7 line the first error you can spot in the trace output?

yes 
[libssh2] 6.515906 Failure Event: -24 - Remote sent more data than current = window allows, truncating

That seems like a side-effect from the previous failure. When this happens = I think it all goes downhill and badness is all over.

=
yes, even i reconnect ,it doesn't work. 
another question , why not define the MACRO :LIBSSH2DEBUG in the debug mode= . when i want to enable trace=A3=ACi must define the macro LIBSSH2DEBUG man= ually and compile it again.

That's what we have "./configure --enable-debug" for!

i compile on win32 .it can not execute ./confi= gure.
--

 / daniel.haxx.se<= /a>
_______________________________________________
libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/li= bssh2-devel


--bcaec52be405d80e6e04a5bc94be-- --===============0622816012== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel --===============0622816012==-- From libssh2-devel-bounces@cool.haxx.se Wed Jun 15 13:56:42 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5FBuO2S027436; Wed, 15 Jun 2011 13:56:40 +0200 Received: from giant.haxx.se (giant.haxx.se [80.67.6.50]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5FBuNk0027428 for ; Wed, 15 Jun 2011 13:56:23 +0200 Date: Wed, 15 Jun 2011 13:56:23 +0200 (CEST) From: Daniel Stenberg X-X-Sender: dast@giant.haxx.se To: libssh2 development Subject: Re: proper buffer size for libssh2_sftp_read() In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) X-fromdanielhimself: yes MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="1129329158-1454072769-1308138983=:17838" X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Wed, 15 Jun 2011 13:56:42 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Wed, 15 Jun 2011 13:56:23 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --1129329158-1454072769-1308138983=:17838 Content-Type: TEXT/PLAIN; charset=GB2312; format=flowed Content-Transfer-Encoding: 8BIT On Wed, 15 Jun 2011, zl liu wrote: > yes,1.2.8. the test is running on windows 7 . Ok. We have received bug reports previously on Windows that we haven't been able to repeat elsewhere and afaik nobody has fixed. > after i modify the misc.c::445 like : fprintf(stderr, "%s, %d\n", buffer, > GetLastError()); when -7, the system errno is 10035. Can you see if you can figure out how that can happen? 10035 is WSAEWOULDBLOCK from what I understand, and src/misc.c:_libssh2_send() is written so that it converts such an error to return -EAGAIN. The code in src/transport.c that use _libssh2_send() then checks the return code for -EAGAIN and should not return anoter error than LIBSSH2_ERROR_EAGAIN (-37) for that case. I think we should focus on the first error that happens as I suspect the ones following may be results of the first problem. >>> another question , why not define the MACRO :LIBSSH2DEBUG in the debug >>> mode. when i want to enable trace£¬i must define the macro LIBSSH2DEBUG >>> manually and compile it again. >>> >> That's what we have "./configure --enable-debug" for! >> > i compile on win32 .it can not execute ./configure. Ok. But how is defining LIBSSH2DEBUG somewhere not roughly the equivalent? What can we do to make it even simpler? -- / daniel.haxx.se --1129329158-1454072769-1308138983=:17838 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel --1129329158-1454072769-1308138983=:17838-- From libssh2-devel-bounces@cool.haxx.se Wed Jun 15 14:50:50 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5FCocnU030833; Wed, 15 Jun 2011 14:50:47 +0200 Received: from mx2-app.tibco.com (mx2-app.tibco.com [63.100.100.143]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5FCoYOd030822 for ; Wed, 15 Jun 2011 14:50:36 +0200 X-IronPort-AV: E=Sophos;i="4.65,370,1304319600"; d="scan'208";a="23341973" Received: from tibco-5.tibco.com (HELO PA-CASHUB01.na.tibco.com) ([63.100.100.5]) by mx2-app.tibco.com with ESMTP; 15 Jun 2011 05:50:28 -0700 Received: from [10.98.32.13] (10.98.32.13) by PA-CASHUB01.na.tibco.com (10.106.137.46) with Microsoft SMTP Server (TLS) id 14.1.270.1; Wed, 15 Jun 2011 05:50:26 -0700 Message-ID: <4DF8AA91.3060806@tibco.com> Date: Wed, 15 Jun 2011 14:50:25 +0200 From: Rodolphe Rocca User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110424 Thunderbird/3.1.10 MIME-Version: 1.0 To: Subject: Which events to poll in session_startup when non-blocking ? X-Originating-IP: [10.98.32.13] X-TM-AS-Product-Ver: SMEX-10.0.0.1459-6.500.1024-18200.005 X-TM-AS-Result: No--0.646800-8.000000-31 X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Wed, 15 Jun 2011 14:50:50 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Wed, 15 Jun 2011 14:50:37 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se Hi, first of all, thank you for this good SSH library. That's a pretty good piece of software :-) Now I have a question. In the libssh2 examples I can see this : while ((rc = libssh2_session_startup(session, sock)) == LIBSSH2_ERROR_EAGAIN); if (rc) { fprintf(stderr, "Failure establishing SSH session: %d\n", rc); return -1; } That's fine for an example, but in some real cases it's going to consume lots of CPU cycles for nothing. So what I want to do is to poll for new data in the loop instead of immediately returning, something like : while ((rc = libssh2_session_startup(session, sock)) == LIBSSH2_ERROR_EAGAIN) { ps = poll(&fds, 1, timeout); if (ps == -1) { // handle error } else if (ps == 0) { // handle timeout } } The problem with this is that I do not know if I have to POLLIN or POLLOUT. What should I do ? Poll for both ? NB : OpenSSL solved this by having two return codes : SSL_ERROR_WANT_READ and SSL_ERROR_WANT_WRITE -- Rodolphe _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Wed Jun 15 15:10:25 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5FDAB4B010851; Wed, 15 Jun 2011 15:10:23 +0200 Received: from mail0.avcosystems.co.uk (mail0.avcosystems.co.uk [195.224.236.86]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5FDA9Lr010505 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=NOT) for ; Wed, 15 Jun 2011 15:10:09 +0200 Received: from lexx.avco ([192.168.0.1] helo=lyta) by mail0.avcosystems.co.uk with esmtp (Exim 4.69 #1 (Debian)) (envelope-from ) id 1QWprB-0005lb-EE for ; Wed, 15 Jun 2011 14:10:05 +0100 From: "Mark Smith" To: "'libssh2 development'" References: Subject: RE: proper buffer size for libssh2_sftp_read() Date: Wed, 15 Jun 2011 14:10:05 +0100 Keywords: Not filed Message-ID: <69BCF844D39B4D079B8BB4A82A3189BE@internal.avcosystems.com> MIME-Version: 1.0 X-Mailer: Microsoft Office Outlook 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6090 In-Reply-To: Thread-Index: AcwrU1Z5VJqjWg/wRCOvZM44YzAuDwACV9Sw X-AVCO-Scan-Signature: b18fef579cf44940ab882beec452e1ab X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Wed, 15 Jun 2011 15:10:24 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Wed, 15 Jun 2011 15:10:09 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se Daniel wrote: > Ok. But how is defining LIBSSH2DEBUG somewhere not roughly the equivalent? > What can we do to make it even simpler? Did I forget to submit my patch to the MSVC head to include this in the debug build? -- Mark Smith _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Wed Jun 15 22:58:34 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5FKw8nE021298; Wed, 15 Jun 2011 22:58:28 +0200 Received: from giant.haxx.se (giant.haxx.se [80.67.6.50]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5FKw6UQ021283 for ; Wed, 15 Jun 2011 22:58:06 +0200 Date: Wed, 15 Jun 2011 22:58:06 +0200 (CEST) From: Daniel Stenberg X-X-Sender: dast@giant.haxx.se To: libssh2 development Subject: Re: Which events to poll in session_startup when non-blocking ? In-Reply-To: <4DF8AA91.3060806@tibco.com> Message-ID: References: <4DF8AA91.3060806@tibco.com> User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) X-fromdanielhimself: yes MIME-Version: 1.0 X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Wed, 15 Jun 2011 22:58:34 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Wed, 15 Jun 2011 22:58:06 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se On Wed, 15 Jun 2011, Rodolphe Rocca wrote: > first of all, thank you for this good SSH library. That's a pretty good > piece of software :-) Thanks, it is truly a team effort and we do our best in making it good! > while ((rc = libssh2_session_startup(session, sock)) == Let me first gently point out that we offer libssh2_session_handshake() now as a replacement... > LIBSSH2_ERROR_EAGAIN) > { > ps = poll(&fds, 1, timeout); > > if (ps == -1) > { > // handle error > } > else if (ps == 0) > { > // handle timeout > } > } > > The problem with this is that I do not know if I have to POLLIN or POLLOUT. > > What should I do ? Poll for both ? Call libssh2_session_block_directions() and it'll tell you! -- / daniel.haxx.se _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Thu Jun 16 05:05:55 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5G35TCw013729; Thu, 16 Jun 2011 05:05:50 +0200 Received: from mail-ey0-f182.google.com (mail-ey0-f182.google.com [209.85.215.182]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5G35RDc013717 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Thu, 16 Jun 2011 05:05:27 +0200 Received: by eyg7 with SMTP id 7so515935eyg.41 for ; Wed, 15 Jun 2011 20:05:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=RQHwsepWCcxewXyv/WoCJ+zdcgrXE92SucfuCbNXl38=; b=neH8yiiTGI8Bus2DE5mUKWjjzlrKpzWCJuGEh6opkOYTRWVCya/Qhk5r6xAj1ht203 XbZyNbyA9jKn5a+Ddqjj4UjahrpaS+ozr1KoGzp4yrWNEI77LEKmpa+9yiVB/uRE+rdt tT0l8jDZY6wFpfeU5OYXYMeYPZkX4p8SInjCo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=sEjUTLfi/1GsLeMFswtmNQ1i0LNH56Rm4NpkgJ035GQu9K7SzjRVsuXITzyoKmq9C5 jodI9y2kJANc1Gvm21D2IqzjtQdWulTtcEysopsOfNE9FaBacFMx5Sj5SRIqf261EHNu b38naY0ikwjOPjfqUsYhwfZToxyaLNsTkpxR4= MIME-Version: 1.0 Received: by 10.14.95.202 with SMTP id p50mr176847eef.13.1308193522031; Wed, 15 Jun 2011 20:05:22 -0700 (PDT) Received: by 10.14.99.208 with HTTP; Wed, 15 Jun 2011 20:05:21 -0700 (PDT) In-Reply-To: References: Date: Thu, 16 Jun 2011 11:05:21 +0800 Message-ID: Subject: Re: proper buffer size for libssh2_sftp_read() From: zl liu To: libssh2 development X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Thu, 16 Jun 2011 05:05:55 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Thu, 16 Jun 2011 05:05:28 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1224574766==" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se --===============1224574766== Content-Type: multipart/alternative; boundary=bcaec52be6b32d9d5304a5cb8a61 --bcaec52be6b32d9d5304a5cb8a61 Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: quoted-printable =D4=DA 2011=C4=EA6=D4=C215=C8=D5 =CF=C2=CE=E77:56=A3=ACDaniel Stenberg =D0=B4=B5=C0=A3=BA > On Wed, 15 Jun 2011, zl liu wrote: > > yes,1.2.8. the test is running on windows 7 . >> > > Ok. We have received bug reports previously on Windows that we haven't be= en > able to repeat elsewhere and afaik nobody has fixed. > > > after i modify the misc.c::445 like : fprintf(stderr, "%s, %d\n", buffer= , >> GetLastError()); when -7, the system errno is 10035. >> > > Can you see if you can figure out how that can happen? > -7 haven't return to the caller. just the internal errno. > > 10035 is WSAEWOULDBLOCK from what I understand, and > src/misc.c:_libssh2_send() is written so that it converts such an error t= o > return -EAGAIN. The code in src/transport.c that use _libssh2_send() then > checks the return code for -EAGAIN and should not return anoter error tha= n > LIBSSH2_ERROR_EAGAIN (-37) for that case. > > I think we should focus on the first error that happens as I suspect the > ones following may be results of the first problem. after debug the libssh2,i get the following information: the function call stack: > libssh2.dll!send_existing(_LIBSSH2_SESSION * session=3D0x017d0068, const unsigned char * data=3D0x014f1e00, unsigned int data_len=3D9, long * ret=3D0x00035410) =D0=D0605 C libssh2.dll!_libssh2_transport_send(_LIBSSH2_SESSION * session=3D0x017d00= 68, const unsigned char * data=3D0x014f1e00, unsigned int data_len=3D9, const unsigned char * data2=3D0x00000000, unsigned int data2_len=3D0) =D0=D0696 = + 0x15 =D7=D6=BD=DA C libssh2.dll!_libssh2_channel_receive_window_adjust(_LIBSSH2_CHANNEL * channel=3D0x014f1c10, unsigned int adjustment=3D3932160, unsigned char forc= e=3D0, unsigned int * store=3D0x00000000) =D0=D01581 + 0x1b =D7=D6=BD=DA C libssh2.dll!_libssh2_channel_read(_LIBSSH2_CHANNEL * channel=3D0x014f1c10= , int stream_id=3D0, char * buf=3D0x017dda08, unsigned int buflen=3D4) =D0= =D01882 + 0x12 =D7=D6=BD=DA C libssh2.dll!sftp_packet_read(_LIBSSH2_SFTP * sftp=3D0x017dd9e8) =D0=D019= 3 + 0x25 =D7=D6=BD=DA C libssh2.dll!sftp_packet_requirev(_LIBSSH2_SFTP * sftp=3D0x017dd9e8, int num_valid_responses=3D2, const unsigned char * valid_responses=3D0x1002c03c= , unsigned int request_id=3D1, unsigned char * * data=3D0x000359ec, unsigned = int * data_len=3D0x000359e0) =D0=D0404 + 0x9 =D7=D6=BD=DA C libssh2.dll!sftp_read(_LIBSSH2_SFTP_HANDLE * handle=3D0x017dd3c0, char * buffer=3D0x00035e68, unsigned int buffer_size=3D1024000) =D0=D01204 + 0x25= =D7=D6=BD=DA C libssh2.dll!libssh2_sftp_read(_LIBSSH2_SFTP_HANDLE * hnd=3D0x017dd3c0, ch= ar * buffer=3D0x00035e68, unsigned int buffer_maxlen=3D1024000) =D0=D01311 + = 0x11 =D7=D6=BD=DA C the value in this point: data: 0x01391E00 5d 00 00 00 00 00 3c 00 ].....<. 0x01391E08 00 00 00 00 0b 00 00 00 ........ p->odata: 0x01391E18 5e 00 00 00 00 00 00 00 ^....... 0x01391E20 1d 00 00 00 00 00 00 00 ........ data_len =3D p->olen =3D 9 i haven't send anything, it is a internal mistake? > another question , why not define the MACRO :LIBSSH2DEBUG in the debug >>>> mode. when i want to enable trace=A3=ACi must define the macro LIBSSH2= DEBUG >>>> manually and compile it again. >>>> >>>> That's what we have "./configure --enable-debug" for! >>> >>> i compile on win32 .it can not execute ./configure. >> > > Ok. But how is defining LIBSSH2DEBUG somewhere not roughly the equivalent= ? > What can we do to make it even simpler? > > -- > thanks! > > / daniel.haxx.se > _______________________________________________ > libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel > > --bcaec52be6b32d9d5304a5cb8a61 Content-Type: text/html; charset=GB2312 Content-Transfer-Encoding: quoted-printable

=D4=DA 2011=C4=EA6=D4=C215=C8=D5 =CF=C2= =CE=E77:56=A3=ACDaniel Stenberg <daniel@haxx.se>=D0=B4=B5=C0=A3=BA
On Wed, 15 Jun 2011, zl liu wrote:

yes,1.2.8. the test is running  on windows 7 .

Ok. We have received bug reports previously on Windows that we haven't = been able to repeat elsewhere and afaik nobody has fixed.
=

after i modify the misc.c::445 like : fprintf(stderr, "%s, %d\n",= buffer, GetLastError()); when -7, the system errno is 10035.

Can you see if you can figure out how that can happen?
-7 haven't return to the caller. just the internal errno.  
=

10035 is WSAEWOULDBLOCK from what I understand, and src/misc.c:_libssh2_sen= d() is written so that it converts such an error to return -EAGAIN. The cod= e in src/transport.c that use _libssh2_send() then checks the return code f= or -EAGAIN and should not return anoter error than LIBSSH2_ERROR_EAGAIN (-3= 7) for that case.

I think we should focus on the first error that happens as I suspect the on= es following may be results of the first problem.
after de= bug the libssh2,i get the following information:
the function cal= l stack:
> libssh2.dll!send_existing(_LIBSSH2_SESSION * session=3D0x017d0068, cons= t unsigned char * data=3D0x014f1e00, unsigned int data_len=3D9, long * ret= =3D0x00035410)  =D0=D0605 C
  libssh2.dll!_libssh2_transport_send(_LIBSSH2_SESSION * session=3D0x017d006= 8, const unsigned char * data=3D0x014f1e00, unsigned int data_len=3D9, cons= t unsigned char * data2=3D0x00000000, unsigned int data2_len=3D0)  =D0= =D0696 + 0x15 =D7=D6=BD=DA C
  libssh2.dll!_libssh2_channel_receive_window_adjust(_LIBSSH2_CHANNEL * chan= nel=3D0x014f1c10, unsigned int adjustment=3D3932160, unsigned char force=3D= 0, unsigned int * store=3D0x00000000)  =D0=D01581 + 0x1b =D7=D6=BD=DA<= span class=3D"Apple-tab-span" style=3D"white-space:pre"> C
  libssh2.dll!_libssh2_channel_read(_LIBSSH2_CHANNEL * channel=3D0x014f1c10,= int stream_id=3D0, char * buf=3D0x017dda08, unsigned int buflen=3D4)  = ;=D0=D01882 + 0x12 =D7=D6=BD=DA C
  libssh2.dll!sftp_packet_read(_LIBSSH2_SFTP * sftp=3D0x017dd9e8)  =D0= =D0193 + 0x25 =D7=D6=BD=DA C
  libssh2.dll!sftp_packet_requirev(_LIBSSH2_SFTP * sf= tp=3D0x017dd9e8, int num_valid_responses=3D2, const unsigned char * valid_r= esponses=3D0x1002c03c, unsigned int request_id=3D1, unsigned char * * data= =3D0x000359ec, unsigned int * data_len=3D0x000359e0)  =D0=D0404 + 0x9 = =D7=D6=BD=DA C
  libssh2.dll!sftp_read(_LIBSSH2_SFTP_HANDLE * handle=3D0x017dd3c0, char * b= uffer=3D0x00035e68, unsigned int buffer_size=3D1024000)  =D0=D01204 + = 0x25 =D7=D6=BD=DA = C
  libssh2.dll!libssh2_sftp_read(_LIBSSH2_SFTP_HANDLE * hnd=3D0x017dd3c0, cha= r * buffer=3D0x00035e68, unsigned int buffer_maxlen=3D1024000)  =D0=D0= 1311 + 0x11 =D7=D6=BD=DA C

the value in this point:
data:
0x01391E00  5d 00 00 00 00 00 3c 00  ].....<.
0x01391E08  00 00 00 00 0b 00 00 00  ........

p->odata:
0x01391E18  5e 00 00 00 00 00 00 00  ^.......
0x01= 391E20  1d 00 00 00 00 00 00 00  ........

data_len =3D p->olen =3D 9

i  have= n't send anything, it is a internal mistake?
 
another question , why not define the MACRO :LIBSSH2DEBUG in the debug
mode. when i want to enable trace=A3=ACi must define the macro LIBSSH2DEBUG=
manually and compile it again.

That's what we have "./configure --enable-debug" for!

i compile on win32 .it can not execute ./configure.

Ok. But how is defining LIBSSH2DEBUG somewhere not roughly the equivalent? = What can we do to make it even simpler?

--
thanks! 

 / daniel.haxx.se<= /a>
_______________________________________________
libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/li= bssh2-devel


--bcaec52be6b32d9d5304a5cb8a61-- --===============1224574766== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel --===============1224574766==-- From libssh2-devel-bounces@cool.haxx.se Thu Jun 16 05:07:26 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5G37OwN014083; Thu, 16 Jun 2011 05:07:26 +0200 Received: from mail-ey0-f182.google.com (mail-ey0-f182.google.com [209.85.215.182]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5G37N7s014078 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Thu, 16 Jun 2011 05:07:23 +0200 Received: by eyg7 with SMTP id 7so516407eyg.41 for ; Wed, 15 Jun 2011 20:07:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=ZIMW8ZxmzS3/+hU32o4Uz1gkLkZrdqaS9qEyLJYre8o=; b=i+ehgtotrnQIobYIgmcu2NzlZHTUXYLBSDX1K2PyUwUFqo3XWhjxFqS5Mj9KdAY/qb qLAdtqD5tjIWaRkHR55N+toF3iTr8uqoEEGTsLQgYvgBaiw9whiJHheNz/hppyYqs8Hq aERZi5Nvz+I/YnzisziAdehFfzJ0T4e2T7BUw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=fe6ybX7JDTWaKvgprYjOmxOo/RxfyEtoKUDrYVPbS06/wHGuHxITSn9FezP8U8Tj4i kyVBZS3+sBTwmksA2zDcHnCyJOE+Lli/F1GjlrtONrxzM6SuvHWzbM3BF6qiWZngDbbG 2DMlYcn6EA1IAwz7D6kA33NSrkb7S6zTT/M50= MIME-Version: 1.0 Received: by 10.14.11.132 with SMTP id 4mr172722eex.45.1308193638691; Wed, 15 Jun 2011 20:07:18 -0700 (PDT) Received: by 10.14.99.208 with HTTP; Wed, 15 Jun 2011 20:07:18 -0700 (PDT) In-Reply-To: <69BCF844D39B4D079B8BB4A82A3189BE@internal.avcosystems.com> References: <69BCF844D39B4D079B8BB4A82A3189BE@internal.avcosystems.com> Date: Thu, 16 Jun 2011 11:07:18 +0800 Message-ID: Subject: Re: proper buffer size for libssh2_sftp_read() From: zl liu To: libssh2 development X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Thu, 16 Jun 2011 05:07:26 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Thu, 16 Jun 2011 05:07:23 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1621874047==" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se --===============1621874047== Content-Type: multipart/alternative; boundary=0016364c7b0921b4d904a5cb9176 --0016364c7b0921b4d904a5cb9176 Content-Type: text/plain; charset=ISO-8859-1 2011/6/15 Mark Smith > Daniel wrote: > > > Ok. But how is defining LIBSSH2DEBUG somewhere not roughly the > equivalent? > > > What can we do to make it even simpler? > > Did I forget to submit my patch to the MSVC head to include this in the > debug build? > the libssh2.dsp is in the win32/.gitignore. can you tell me how to use msvcproj.head ? i work with visual studio 2005. > > -- > Mark Smith > > _______________________________________________ > libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel > --0016364c7b0921b4d904a5cb9176 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

2011/6/15 Mark Smith &= lt;mts-filtered@avcosyste= ms.co.uk>
Daniel wrote:

> Ok. But how is defining LIBSSH2DEBUG somewhere not roughly the equival= ent?

> What can we do to make it even simpler?

Did I forget to submit my patch to the MSVC head to include this in t= he
debug build?
the libssh2.dsp =A0is in the win32/.gitig= nore.=A0
can you tell me how to use=A0msvcproj.head=A0? i work wi= th visual studio 2005.=A0

--
Mark Smith

_______________________________________________
libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/li= bssh2-devel

--0016364c7b0921b4d904a5cb9176-- --===============1621874047== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel --===============1621874047==-- From libssh2-devel-bounces@cool.haxx.se Thu Jun 16 07:21:08 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5G5KpVf024492; Thu, 16 Jun 2011 07:21:04 +0200 Received: from parmail05.sgcib.com (parmail05.sgcib.com [207.45.249.176]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5G5KnbE024391 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Thu, 16 Jun 2011 07:20:50 +0200 X-IronPort-AV: E=Sophos;i="4.65,373,1304287200"; d="scan'208";a="130872828" To: libssh2-devel@cool.haxx.se Subject: Authentication Using Public Key / Private keys returns LIBSSH2_ERROR_FILE [NC] MIME-Version: 1.0 Message-ID: From: Suresh MUNUGOTI Date: Thu, 16 Jun 2011 10:50:39 +0530 X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Thu, 16 Jun 2011 07:21:08 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Thu, 16 Jun 2011 07:20:50 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0349280061==" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se This is a multipart message in MIME format. --===============0349280061== Content-Type: multipart/alternative; boundary="=_alternative 001D503C652578B1_=" This is a multipart message in MIME format. --=_alternative 001D503C652578B1_= Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii" Hi, I am trying to authenticate into SFTP server by using the following function call. LIBSSH2_API int libssh2_userauth_publickey_fromfile_ex(LIBSSH2_SESSION *session, const char *username, unsigned int username_len, const char *publickey, const char *privatekey, const char *passphrase); The function is returning LIBSSH2_ERROR_FILE . I cross checked by using the File Zilla client by adding the Private key. I am successfully authenticated. The Public/Private key pairs are generated by PuttyGen. Could you please help me whether i need to change the public and private files format compatible to LibSSH2. Regards, Suresh ************************************************************************* This message and any attachments (the "message") are confidential, intended solely for the addressee(s), and may contain legally privileged information. Any unauthorised use or dissemination is prohibited. E-mails are susceptible to alteration. Neither SOCIETE GENERALE nor any of its subsidiaries or affiliates shall be liable for the message if altered, changed or falsified. ************ Ce message et toutes les pieces jointes (ci-apres le "message") sont confidentiels et susceptibles de contenir des informations couvertes par le secret professionnel. Ce message est etabli a l'intention exclusive de ses destinataires. Toute utilisation ou diffusion non autorisee est interdite. Tout message electronique est susceptible d'alteration. La SOCIETE GENERALE et ses filiales declinent toute responsabilite au titre de ce message s'il a ete altere, deforme ou falsifie. ************************************************************************* --=_alternative 001D503C652578B1_= Content-Transfer-Encoding: 7bit Content-Type: text/html; charset="us-ascii"
Hi,

I am trying to authenticate into SFTP server by using the following function call.

LIBSSH2_API int libssh2_userauth_publickey_fromfile_ex(LIBSSH2_SESSION *session,
                                       const char *username,
                                       unsigned int username_len,
                                       const char *publickey,
                                       const char *privatekey,
                                       const char *passphrase);

The function is returning LIBSSH2_ERROR_FILE .

I cross checked by using the File Zilla client by adding the Private key. I am successfully authenticated.

The Public/Private key pairs are generated by PuttyGen.

Could you please help me whether i need to change the public and private files format compatible to LibSSH2.


Regards,
Suresh
*************************************************************************
This message and any attachments (the "message") are confidential, intended solely for the addressee(s), and may contain legally privileged information.
Any unauthorised use or dissemination is prohibited. E-mails are susceptible to alteration. 
Neither SOCIETE GENERALE nor any of its subsidiaries or affiliates shall be liable for the message if altered, changed or
falsified.
                              ************
Ce message et toutes les pieces jointes (ci-apres le "message") sont confidentiels et susceptibles de contenir des informations couvertes
par le secret professionnel.
Ce message est etabli a l'intention exclusive de ses destinataires. Toute utilisation ou diffusion non autorisee est interdite.
Tout message electronique est susceptible d'alteration.
La SOCIETE GENERALE et ses filiales declinent toute responsabilite au titre de ce message s'il a ete altere, deforme ou falsifie.
************************************************************************* --=_alternative 001D503C652578B1_=-- --===============0349280061== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel --===============0349280061==-- From libssh2-devel-bounces@cool.haxx.se Thu Jun 16 11:27:54 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5G9RYCx005086; Thu, 16 Jun 2011 11:27:50 +0200 Received: from mx1-app.tibco.com (mx1-app.tibco.com [63.100.100.142]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5G9RTJr005070 for ; Thu, 16 Jun 2011 11:27:32 +0200 X-IronPort-AV: E=Sophos;i="4.65,374,1304319600"; d="scan'208";a="25415148" Received: from tibco-5.tibco.com (HELO PA-CASHUB01.na.tibco.com) ([63.100.100.5]) by mx1-app.tibco.com with ESMTP; 16 Jun 2011 02:27:19 -0700 Received: from [10.98.32.32] (10.98.32.32) by PA-CASHUB01.na.tibco.com (10.106.137.46) with Microsoft SMTP Server (TLS) id 14.1.270.1; Thu, 16 Jun 2011 02:27:18 -0700 Message-ID: <4DF9CC74.8080503@tibco.com> Date: Thu, 16 Jun 2011 11:27:16 +0200 From: Rodolphe Rocca User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110424 Thunderbird/3.1.10 MIME-Version: 1.0 To: libssh2 development Subject: Re: Which events to poll in session_startup when non-blocking ? References: <4DF8AA91.3060806@tibco.com> In-Reply-To: X-Originating-IP: [10.98.32.32] X-TM-AS-Product-Ver: SMEX-10.0.0.1459-6.500.1024-18202.004 X-TM-AS-Result: No--9.248800-8.000000-31 X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Thu, 16 Jun 2011 11:27:54 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Thu, 16 Jun 2011 11:27:33 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se On 06/15/2011 10:58 PM, Daniel Stenberg wrote: > On Wed, 15 Jun 2011, Rodolphe Rocca wrote: > >> first of all, thank you for this good SSH library. That's a pretty >> good piece of software :-) > > Thanks, it is truly a team effort and we do our best in making it good! > >> while ((rc = libssh2_session_startup(session, sock)) == > > Let me first gently point out that we offer libssh2_session_handshake() > now as a replacement... Thank you, your suggestion is very welcome :-) >> LIBSSH2_ERROR_EAGAIN) >> { >> ps = poll(&fds, 1, timeout); >> >> if (ps == -1) >> { >> // handle error >> } >> else if (ps == 0) >> { >> // handle timeout >> } >> } >> >> The problem with this is that I do not know if I have to POLLIN or >> POLLOUT. >> >> What should I do ? Poll for both ? > > Call libssh2_session_block_directions() and it'll tell you! That is exactly what I was looking for. I would suggest two things to make libssh2 even easier to use by newbies than it is today : - use libssh2_session_handshake and libssh2_session_block_directions in the examples - deprecate libssh2_session_startup in favor of libssh2_session_handshake Thanks a lot. -- Rodolphe _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Thu Jun 16 12:04:10 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5GA42p7024881; Thu, 16 Jun 2011 12:04:10 +0200 Received: from giant.haxx.se (giant.haxx.se [80.67.6.50]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5GA41W3024848 for ; Thu, 16 Jun 2011 12:04:01 +0200 Date: Thu, 16 Jun 2011 12:04:01 +0200 (CEST) From: Daniel Stenberg X-X-Sender: dast@giant.haxx.se To: libssh2 development Subject: Re: Which events to poll in session_startup when non-blocking ? In-Reply-To: <4DF9CC74.8080503@tibco.com> Message-ID: References: <4DF8AA91.3060806@tibco.com> <4DF9CC74.8080503@tibco.com> User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) X-fromdanielhimself: yes MIME-Version: 1.0 X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Thu, 16 Jun 2011 12:04:10 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Thu, 16 Jun 2011 12:04:01 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se On Thu, 16 Jun 2011, Rodolphe Rocca wrote: > I would suggest two things to make libssh2 even easier to use by newbies > than it is today : > > - use libssh2_session_handshake and libssh2_session_block_directions in the > examples > > - deprecate libssh2_session_startup in favor of libssh2_session_handshake We welcome patches that clean up and improve the examples or even add new ones! -- / daniel.haxx.se _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Thu Jun 16 23:58:26 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5GLw5fm021053; Thu, 16 Jun 2011 23:58:21 +0200 Received: from giant.haxx.se (giant.haxx.se [80.67.6.50]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5GLw33v021046 for ; Thu, 16 Jun 2011 23:58:03 +0200 Date: Thu, 16 Jun 2011 23:58:03 +0200 (CEST) From: Daniel Stenberg X-X-Sender: dast@giant.haxx.se To: libssh2 development Subject: Re: proper buffer size for libssh2_sftp_read() In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) X-fromdanielhimself: yes MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="1129329158-682545814-1308261483=:27179" X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Thu, 16 Jun 2011 23:58:26 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Thu, 16 Jun 2011 23:58:03 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --1129329158-682545814-1308261483=:27179 Content-Type: TEXT/PLAIN; charset=GB2312; format=flowed Content-Transfer-Encoding: 8BIT On Thu, 16 Jun 2011, zl liu wrote: >> Can you see if you can figure out how that can happen? > -7 haven't return to the caller. just the internal errno. I'm confused. So which line of code logged the -7 you showed originally? > after debug the libssh2,i get the following information: > the function call stack: >> libssh2.dll!send_existing(_LIBSSH2_SESSION * session=0x017d0068, const > unsigned char * data=0x014f1e00, unsigned int data_len=9, long * > ret=0x00035410) ÐÐ605 C > libssh2.dll!_libssh2_transport_send(_LIBSSH2_SESSION * session=0x017d0068, > const unsigned char * data=0x014f1e00, unsigned int data_len=9, const > unsigned char * data2=0x00000000, unsigned int data2_len=0) ÐÐ696 + 0x15 ×Ö½Ú > C > > i haven't send anything, it is a internal mistake? I don't understand. Are you saying this was the first call to _libssh2_transport_send() ? What do you mean with you haven't send anything? -- / daniel.haxx.se --1129329158-682545814-1308261483=:27179 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel --1129329158-682545814-1308261483=:27179-- From libssh2-devel-bounces@cool.haxx.se Fri Jun 17 04:01:42 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5H21I0E003042; Fri, 17 Jun 2011 04:01:38 +0200 Received: from mail-ey0-f182.google.com (mail-ey0-f182.google.com [209.85.215.182]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5H21Fpg002516 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Fri, 17 Jun 2011 04:01:15 +0200 Received: by eyg7 with SMTP id 7so1001332eyg.41 for ; Thu, 16 Jun 2011 19:01:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=fyO6ZSevg+K/TWUokFV/MlghixWY87+flGiVSfvDfDw=; b=FYdaa2Du3K2N2xRIzGwPTDHigGiqgwWkF1M00L1Z3T8DwVBYD1Brro4uOZIutU6Ai7 UVETcIHLGM+A/86wZnCy48TEOBY/o3FnJ7qn1hNMj1dVqpRHRSQ87SE8aL+BOk48whjT JX4DPzCQjeSZ5i/dZ2q/MassviU6gif55l6RQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=qeOPf2kogsVizUuyK8FMW4sEwZjqNbYyTiTvYdy6zlqPeRsZRsser9N2bgYpoQ5njF VzYHndmL0Ei1gzo5AEAiWu+GKXoe8amvzoTWfx0RT/JGqCNrOQ8gg9dHsC5eT33zAF97 /P5/pyo41Zjo85VZd5gRyzzlXogS0jHxi2tnw= MIME-Version: 1.0 Received: by 10.14.11.132 with SMTP id 4mr656153eex.45.1308276070842; Thu, 16 Jun 2011 19:01:10 -0700 (PDT) Received: by 10.14.99.208 with HTTP; Thu, 16 Jun 2011 19:01:10 -0700 (PDT) In-Reply-To: References: Date: Fri, 17 Jun 2011 10:01:10 +0800 Message-ID: Subject: Re: proper buffer size for libssh2_sftp_read() From: zl liu To: libssh2 development X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Fri, 17 Jun 2011 04:01:42 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Fri, 17 Jun 2011 04:01:16 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1988725173==" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se --===============1988725173== Content-Type: multipart/alternative; boundary=0016364c7b0978835a04a5dec2b9 --0016364c7b0978835a04a5dec2b9 Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: quoted-printable =D4=DA 2011=C4=EA6=D4=C217=C8=D5 =C9=CF=CE=E75:58=A3=ACDaniel Stenberg =D0=B4=B5=C0=A3=BA > On Thu, 16 Jun 2011, zl liu wrote: > > Can you see if you can figure out how that can happen? >>> >> > -7 haven't return to the caller. just the internal errno. >> > > I'm confused. So which line of code logged the -7 you showed originally? That's my fault. I mean before the first -7 error message is print, the function call stack is: libssh2.dll!send_existing(_LIBSSH2_SESSION * session=3D0x017d0068, const unsigned char * data=3D0x014f1e00, unsigned int data_len=3D9, long * ret=3D0x00035410) =D0=D0605 C libssh2.dll!_libssh2_transport_send(_LIBSSH2_SESSION * session=3D0x017d00= 68, const unsigned char * data=3D0x014f1e00, unsigned int data_len=3D9, const unsigned char * data2=3D0x00000000, unsigned int data2_len=3D0) =D0=D0696 = + 0x15 =D7=D6=BD=DA C libssh2.dll!_libssh2_channel_receive_window_adjust(_LIBSSH2_CHANNEL * channel=3D0x014f1c10, unsigned int adjustment=3D3932160, unsigned char forc= e=3D0, unsigned int * store=3D0x00000000) =D0=D01581 + 0x1b =D7=D6=BD=DA C libssh2.dll!_libssh2_channel_read(_LIBSSH2_CHANNEL * channel=3D0x014f1c10= , int stream_id=3D0, char * buf=3D0x017dda08, unsigned int buflen=3D4) =D0= =D01882 + 0x12 =D7=D6=BD=DA C libssh2.dll!sftp_packet_read(_LIBSSH2_SFTP * sftp=3D0x017dd9e8) =D0=D019= 3 + 0x25 =D7=D6=BD=DA C libssh2.dll!sftp_packet_requirev(_LIBSSH2_SFTP * sftp=3D0x017dd9e8, int num_valid_responses=3D2, const unsigned char * valid_responses=3D0x1002c03c= , unsigned int request_id=3D1, unsigned char * * data=3D0x000359ec, unsigned = int * data_len=3D0x000359e0) =D0=D0404 + 0x9 =D7=D6=BD=DA C libssh2.dll!sftp_read(_LIBSSH2_SFTP_HANDLE * handle=3D0x017dd3c0, char * buffer=3D0x00035e68, unsigned int buffer_size=3D1024000) =D0=D01204 + 0x25= =D7=D6=BD=DA C libssh2.dll!libssh2_sftp_read(_LIBSSH2_SFTP_HANDLE * hnd=3D0x017dd3c0, ch= ar * buffer=3D0x00035e68, unsigned int buffer_maxlen=3D1024000) =D0=D01311 + = 0x11 =D7=D6=BD=DA C Now the breakpoint is in the Transport.c,line 605. The variable memory is: data: 0x01391E00 5d 00 00 00 00 00 3c 00 ].....<. 0x01391E08 00 00 00 00 0b 00 00 00 ........ p->odata: 0x01391E18 5e 00 00 00 00 00 00 00 ^....... 0x01391E20 1d 00 00 00 00 00 00 00 ........ As you see data !=3D p->odata, so the function send_existing() will return LIBSSH2_ERROR_BAD_USE to the function _libssh2_transport_send() line 696. the function _libssh2_transport_send() then return LIBSSH2_ERROR_BAD_USE to the function _libssh2_channel_receive_window_adjust() line 1581 as follow: rc =3D _libssh2_transport_send(channel->session, channel->adjust_adjust, 9, NULL, 0); if (rc =3D=3D LIBSSH2_ERROR_EAGAIN) { _libssh2_error(channel->session, rc, "Would block sending window adjust"); return rc; } else if (rc) { channel->adjust_queue =3D adjustment; return _libssh2_error(channel->session, LIBSSH2_ERROR_SOCKET_SEND, "Unable to send transfer-window adjustment " "packet, deferring"); } else { channel->remote.window_size +=3D adjustment; } because rc !=3D LIBSSH2_ERROR_EAGAIN and rc !=3D 0, so the function _libssh2_transport_send() :1589 will print error message -7 and return -7 to the caller _libssh2_channel_read():1882 { { rc =3D _libssh2_channel_receive_window_adjust(channel, (LIBSSH2_CHANNEL_WINDOW_DEFAULT*60), 0, NULL); if (rc =3D=3D LIBSSH2_ERROR_EAGAIN) return rc; _libssh2_debug(session, LIBSSH2_TRACE_CONN, "channel_read() filled %d adjusted %d", bytes_read, buflen); /* continue in 'created' state to drain the already read packages first before starting to empty the socket further */ channel->read_state =3D libssh2_NB_state_created; } return bytes_read; } the function _libssh2_channel_read() will return bytes_read but not -7,in m= y test ,bytes_read is 4. so -7 will not return to the user level. After that any call to the function send_existing() will print an error message -7 . i haven't send anything, it is a internal mistake? >> > > I don't understand. Are you saying this was the first call to > _libssh2_transport_send() ? What do you mean with you haven't send anythi= ng? I was to download a file, i only invoked the function libssh2_sftp_read(), so i have not send anything in the user level. but the error is from send_existing() , so i say it's a internal bug. No offense. > --=20 > thanks. > > / daniel.haxx.se > _______________________________________________ > libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel > > --0016364c7b0978835a04a5dec2b9 Content-Type: text/html; charset=GB2312 Content-Transfer-Encoding: quoted-printable

=D4=DA 2011=C4=EA6=D4=C217=C8=D5 =C9=CF= =CE=E75:58=A3=ACDaniel Stenberg <daniel@haxx.se>=D0=B4=B5=C0=A3=BA
On Thu, 16 Jun 2011, zl liu wrote:

Can you see if you can figure out how that can happen?

-7 haven't return to the caller. just the internal errno.

I'm confused. So which line of code logged the -7 you showed originally= ?
 
That's my fault.
I mean b= efore the first  -7 error message is print, the function call stack is= :

 libssh2.dll!send_existing(_LIBSSH2_SESSION * sess= ion=3D0x017d0068, const unsigned char * data=3D0x014f1e00, unsigned int dat= a_len=3D9, long * ret=3D0x00035410)  =D0=D0605 C
  libssh2.dll!_libssh2_transport_send(_LIBSSH2_SESSION * session=3D0x017d= 0068, const unsigned char * data=3D0x014f1e00, unsigned int data_len=3D9, c= onst unsigned char * data2=3D0x00000000, unsigned int data2_len=3D0)  = =D0=D0696 + 0x15 =D7=D6=BD=DA C
  libssh2.dll!_libssh2_channel_receive_window_adjust(_LIBSSH2_CHANNEL * c= hannel=3D0x014f1c10, unsigned int adjustment=3D3932160, unsigned char force= =3D0, unsigned int * store=3D0x00000000)  =D0=D01581 + 0x1b =D7=D6=BD= =DA C
  libssh2.dll!_libssh2_channel_read(_LIBSSH2_CHANNEL * channel=3D0x014f1c= 10, int stream_id=3D0, char * buf=3D0x017dda08, unsigned int buflen=3D4) &n= bsp;=D0=D01882 + 0x12 =D7=D6=BD=DA C
  libssh2.dll!sftp_packet_read(_LIBSSH2_SFTP * sftp=3D0x017dd9e8)  = =D0=D0193 + 0x25 =D7=D6=BD=DA C
  l= ibssh2.dll!sftp_packet_requirev(_LIBSSH2_SFTP * sftp=3D0x017dd9e8, int num_= valid_responses=3D2, const unsigned char * valid_responses=3D0x1002c03c, un= signed int request_id=3D1, unsigned char * * data=3D0x000359ec, unsigned in= t * data_len=3D0x000359e0)  =D0=D0404 + 0x9 =D7=D6=BD=DA C
  libssh2.dll!sftp_read(_LIBSSH2_SFTP_HANDLE * handle=3D0x017dd3c0, char = * buffer=3D0x00035e68, unsigned int buffer_size=3D1024000)  =D0=D01204= + 0x25 =D7=D6=BD=DA C
  libssh2.dll!libssh2_sftp_read(_LIBSSH2_SFTP_HANDLE * hnd=3D0x017dd3c0, = char * buffer=3D0x00035e68, unsigned int buffer_maxlen=3D1024000)  =D0= =D01311 + 0x11 =D7=D6=BD=DA C 

Now the breakpoint is in the Transport.c,line 605. = ;
The variable memory is:
data:
0x01391E= 00  5d 00 00 00 00 00 3c 00  ].....<.
0x01391E08 &nb= sp;00 00 00 00 0b 00 00 00  ........

p->odata:
0x01391E18  5e 00 00 00 00 = 00 00 00  ^.......
0x01391E20  1d 00 00 00 00 00 00 00 =  ........
As you see data !=3D p->odata, so the fun= ction send_existing() will return LIBSSH2_ERROR_BAD_USE 
 to the function _libssh2_transport_send() line 696.
the function _libssh2_transport_send() then return LIBSSH2_ERR= OR_BAD_USE to the function _libssh2_channel_receive_window_adjust() li= ne 1581 as follow:
rc =3D _libssh2_transport_send(channel->session, channel->a= djust_adjust, 9,
             =                     NULL,= 0);
    if (rc =3D=3D LIBSSH2_ERROR_EAGAIN) {
        _libssh2_error(channel->session,= rc,
                   &= nbsp;   "Would block sending window adjust");
&nbs= p;       return rc;
    }
    else if (rc) {
      = ;  channel->adjust_queue =3D adjustment;
   &nb= sp;    return _libssh2_error(channel->session, LIBSSH2_ERROR_S= OCKET_SEND,
                   &= nbsp;          "Unable to send transfer-windo= w adjustment "
           &nbs= p;                  "pack= et, deferring");
    }
  =  else {
        channel->remote= .window_size +=3D adjustment;
    }

because rc !=3D&nb= sp;LIBSSH2_ERROR_EAGAIN and rc !=3D 0, so the function _libssh2_transp= ort_send() :1589 will print error message -7
and return -7 to the= caller _libssh2_channel_read():1882
{
{
rc =3D _libssh2_channel_receive_window_adjust(= channel,
               &= nbsp;                    =                (LIBSSH2_CHANNEL_WI= NDOW_DEFAULT*60), 0, NULL);
        if (= rc =3D=3D LIBSSH2_ERROR_EAGAIN)
            return rc;
        _libssh2_debug(session, LIBSS= H2_TRACE_CONN,
             &n= bsp;         "channel_read() filled %d adjusted %d= ",
               &n= bsp;       bytes_read, buflen);
        /* continue in 'created' stat= e to drain the already read packages
       &= nbsp;   first before starting to empty the socket further */
        channel->read_state =3D libssh2_NB_sta= te_created;
    }

    retur= n bytes_read;
} 
the function _libssh2_channel_rea= d() will return bytes_read but not -7,in my test ,bytes_read &nbs= p;is 4.
so -7 will not return to the user level.
After that any call to the function send_existing() will print an= error message -7 .

i haven't send anything, it is a internal mistake?

I don't understand. Are you saying this was the first call to _libssh2_= transport_send() ? What do you mean with you haven't send anything?
 I was to download a file, i only invoked the function l= ibssh2_sftp_read(), so i have not send anything in the user level. but the = error is from send_existing() , so i say it's a internal bug.=  No offense.
 
--
thanks. 

 / daniel.haxx.se<= /a>
_______________________________________________
libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/li= bssh2-devel


--0016364c7b0978835a04a5dec2b9-- --===============1988725173== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel --===============1988725173==-- From libssh2-devel-bounces@cool.haxx.se Sun Jun 19 01:47:20 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5INklhg026261; Sun, 19 Jun 2011 01:47:12 +0200 Received: from earth.stuge.se (earth.stuge.se [212.116.89.126]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5INkkxL026256 for ; Sun, 19 Jun 2011 01:46:46 +0200 Received: (qmail 31931 invoked from network); 18 Jun 2011 23:46:45 -0000 Received: from unknown (HELO earth.stuge.se) (127.0.0.1) by localhost with SMTP; 18 Jun 2011 23:46:45 -0000 MIME-Version: 1.0 From: "libssh2 Trac" X-Trac-Version: 0.12 Precedence: bulk Cc: libssh2-devel@cool.haxx.se Auto-Submitted: auto-generated X-Mailer: Trac 0.12, by Edgewall Software X-Trac-Project: libssh2 Date: Sat, 18 Jun 2011 23:46:45 -0000 X-URL: http://trac.libssh2.org/ Subject: [libssh2] #220: agent_list_identities pointer to out of scope variable X-Trac-Ticket-URL: http://trac.libssh2.org/ticket/220 Message-ID: <058.b4c94a0a374b455b920eb6241b081146@libssh2.stuge.se> X-Trac-Ticket-ID: 220 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Sun, 19 Jun 2011 01:47:20 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Sun, 19 Jun 2011 01:46:46 +0200 (CEST) X-MIME-Autoconverted: from base64 to 8bit by giant.haxx.se id p5INkkxL026256 X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Reply-To: trac@libssh2.stuge.se, libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se #220: agent_list_identities pointer to out of scope variable -------------------------------------+-------------------------------------- Reporter: madwizard.myopenid.com | Owner: Type: defect | Status: new Priority: normal | Milestone: 1.2.9 Component: API | Version: 1.2.8 Keywords: | Blocks: Blocked By: | -------------------------------------+-------------------------------------- In the windows version compiled with visual studio (I used 64-bit but 32-bit probably has the same problem) libssh2_agent_list_identitites may fail with LIBSSH2_ERROR_BAD_USE / "illegal agent request" even when used properly. I have tracked down the problem to agent_list_identities in agent.c where transctx->request is set as a pointer to a local uchar variable 'c' containing SSH2_AGENTC_REQUEST_IDENTITIES. The scope of this variable is the if-statement but the pointer will be used after the if statement and may be overwritten with other data placed on the stack. The problem was fixed by placing the local variable at the top of the function rather than in the if statement. -- Ticket URL: libssh2 C library for writing portable SSH2 clients _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Sun Jun 19 23:37:47 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5JLbPn3011269; Sun, 19 Jun 2011 23:37:44 +0200 Received: from giant.haxx.se (giant.haxx.se [80.67.6.50]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5JLbOUl011253 for ; Sun, 19 Jun 2011 23:37:24 +0200 Date: Sun, 19 Jun 2011 23:37:24 +0200 (CEST) From: Daniel Stenberg X-X-Sender: dast@giant.haxx.se To: libssh2 development Subject: Re: proper buffer size for libssh2_sftp_read() In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) X-fromdanielhimself: yes MIME-Version: 1.0 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Sun, 19 Jun 2011 23:37:46 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Sun, 19 Jun 2011 23:37:24 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se On Fri, 17 Jun 2011, zl liu wrote: > I mean before the first -7 error message is print, the function call stack > is: > > libssh2.dll!send_existing > libssh2.dll!_libssh2_transport_send > libssh2.dll!_libssh2_channel_receive_window_adjust > libssh2.dll!_libssh2_channel_read > As you see data != p->odata, so the function send_existing() will > return LIBSSH2_ERROR_BAD_USE Okay, so the real question is then how send_existing() ends up detecting that it gets called with another buffer than before, as it isn't supposed to. It would indicate a bug in a parent function but I couldn't detect one now and also this seems to work most of the time so it probably has to be some special condition to trigger it. Unfortunately I can't repeat this problem in my end so I have a hard time helping out with the debugging. -- / daniel.haxx.se _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Mon Jun 20 00:07:45 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5JM7cnl003530; Mon, 20 Jun 2011 00:07:45 +0200 Received: from earth.stuge.se (earth.stuge.se [212.116.89.126]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5JM7bFS003522 for ; Mon, 20 Jun 2011 00:07:37 +0200 Received: (qmail 14604 invoked from network); 19 Jun 2011 22:07:39 -0000 Received: from unknown (HELO earth.stuge.se) (127.0.0.1) by localhost with SMTP; 19 Jun 2011 22:07:39 -0000 MIME-Version: 1.0 From: "libssh2 Trac" X-Trac-Version: 0.12 Precedence: bulk Cc: libssh2-devel@cool.haxx.se Auto-Submitted: auto-generated X-Mailer: Trac 0.12, by Edgewall Software X-Trac-Project: libssh2 Date: Sun, 19 Jun 2011 22:07:39 -0000 X-URL: http://trac.libssh2.org/ Subject: Re: [libssh2] #219: libssh2_channel_forward_listen_ex freezes the program! X-Trac-Ticket-URL: http://trac.libssh2.org/ticket/219#comment:5 Message-ID: <059.fc48fe481d6c69670906fc288d71cf26@libssh2.stuge.se> References: <044.d06f6ca1fdc86dce6e752ef3a98d50dd@libssh2.stuge.se> X-Trac-Ticket-ID: 219 In-Reply-To: <044.d06f6ca1fdc86dce6e752ef3a98d50dd@libssh2.stuge.se> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Mon, 20 Jun 2011 00:07:45 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Mon, 20 Jun 2011 00:07:37 +0200 (CEST) X-MIME-Autoconverted: from base64 to 8bit by giant.haxx.se id p5JM7bFS003522 X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Reply-To: trac@libssh2.stuge.se, libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se #219: libssh2_channel_forward_listen_ex freezes the program! -----------------------+---------------------------------------------------- Reporter: fingster | Owner: bagder Type: defect | Status: closed Priority: high | Milestone: 1.2.9 Component: API | Version: 1.2.8 Resolution: invalid | Keywords: port forward Blocks: | Blocked By: -----------------------+---------------------------------------------------- Comment (by fingster): When I put {{{ libssh2_session_set_blocking(session, 0); }}} before the cited example code, channel gets nothing but NULL. And printf shows that "Remote forwding port: 0". If I put {{{ libssh2_session_set_blocking(session, 0); }}} after the cited example code, the program freezes at libssh2_channel_forward_listen_ex and never returns. Nothing outputs. how to use libssh2_channel_forward_listen_ex? Any example? Thank you! -- Ticket URL: libssh2 C library for writing portable SSH2 clients _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Tue Jun 28 09:00:58 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5S70PTv007192; Tue, 28 Jun 2011 09:00:52 +0200 Received: from mail-qw0-f54.google.com (mail-qw0-f54.google.com [209.85.216.54]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5S70MLZ007044 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Tue, 28 Jun 2011 09:00:23 +0200 Received: by qwc9 with SMTP id 9so3337551qwc.41 for ; Tue, 28 Jun 2011 00:00:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:date:message-id:subject:from:to :content-type; bh=pTpRqzDaNrZVDeKurzNx3xXkC5sT2B8GD7gaJURYWPI=; b=kADsHInrXkA+/Kr9GGYfNWGcOBr5QzH47qfSpyXBLFn8w3ExbjtpDMmwjP143vtYlq 9B7fpzwMptUL53MnQ28tE8w1WrPun7b/7F381QNqTBwMCRXBq7E+Utuz97SYWDBOWMPA pTpLPxCSBjxXQ3UsZKiUgvuxDHdigSIPVFTEg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=KojmaNsgHRj68ZxV9nt1XOAjQ1wH8rSVY/eM/8quMFSLV8PdefRWQ2QaHa6fVR5CU2 a7H1uVXa/BKDExghzT3DJY4d1UfomF8F7Cvkh/jMdJ9EIiLnUJcqqITgFEfC7UDOniOy Q4y4iRkUG/z+Tu24yUDkBo9aLffo5q5ALMTI4= MIME-Version: 1.0 Received: by 10.229.88.144 with SMTP id a16mr2452598qcm.45.1309244417744; Tue, 28 Jun 2011 00:00:17 -0700 (PDT) Received: by 10.229.234.9 with HTTP; Tue, 28 Jun 2011 00:00:17 -0700 (PDT) Date: Tue, 28 Jun 2011 09:00:17 +0200 Message-ID: Subject: SIGSEGV if using patch "keyb-interactive: allow zero length fields" From: Alfred Gebert To: libssh2-devel@cool.haxx.se X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Tue, 28 Jun 2011 09:00:58 +0200 (CEST) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Tue, 28 Jun 2011 09:00:24 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se I'm using libssh2 from git. My test uses curl and if I try to establish a sftp session the program dies with "Segmentaion fault". curl --insecure -u agebert:password --verbose sftp://gebert4.e2e.ch/ * About to connect() to gebert4.e2e.ch port 22 (#0) * Trying 127.0.0.2... connected * Connected to gebert4.e2e.ch (127.0.0.2) port 22 (#0) * SSH authentication methods available: publickey,gssapi-with-mic,keyboard-interactive * Using ssh public key file /home/agebert/.ssh/id_dsa.pub * Using ssh private key file /home/agebert/.ssh/id_dsa * SSH public key authentication failed: Unable to open public key file Segmentation fault Program received signal SIGSEGV, Segmentation fault. 0xb7cd8fa1 in free () from /lib/libc.so.6 (gdb) where #0 0xb7cd8fa1 in free () from /lib/libc.so.6 #1 0xb7e83670 in my_libssh2_free () from /home/agebert/local/lib/libcurl.so.4 #2 0xb7b136d8 in userauth_keyboard_interactive (session=0x8084a40, username=0x8084810 "agebert", username_len=7, response_callback=0xb7e83840 ) at userauth.c:1616 #3 0xb7b1390b in libssh2_userauth_keyboard_interactive_ex (session=0x8084a40, user=0x8084810 "agebert", user_len=7, response_callback=0xb7e83840 ) at userauth.c:1672 #4 0xb7e851d6 in ssh_statemach_act () from /home/agebert/local/lib/libcurl.so.4 #5 0xb7e87a32 in ssh_easy_statemach () from /home/agebert/local/lib/libcurl.so.4 #6 0xffffffff in ?? () I tried to isolate which commit introduced the regression. This is fine: 0723dab4d76c16208132367922ca2151cb458073 libssh2_channel_process_startup.3: clean up This does crash: 5b004a4b67e3c6e8de97d5bbbab470b1191b1a16 keyb-interactive: add the fixed buffer The other commits between these commits do not compile. For me the fix "keyb-interactive: allow zero length fields" is important because on AIX malloc(0) returns an error. If you need more details let me know. Alfred _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Tue Jun 28 09:35:16 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5S7Z88J028890; Tue, 28 Jun 2011 09:35:15 +0200 Received: from mail-qw0-f54.google.com (mail-qw0-f54.google.com [209.85.216.54]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5S7Z5jD028355 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Tue, 28 Jun 2011 09:35:06 +0200 Received: by qwc9 with SMTP id 9so3347624qwc.41 for ; Tue, 28 Jun 2011 00:35:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:date:message-id:subject:from:to :content-type; bh=BsNQKrGgsj34JiwIhlmzU0ostdFON9L8RSUDlAd9w1o=; b=mqMFn+iL8ouetJT2rnhuyWvPwruTU4274YIqLh9yv68AnMbzpUp02eOOrlZIF8TTDk os3TqTaR8c/eInzlMX1c0eue616+jvc7WjLF5dvw76mClGfR3o0ppL5PFkpDRd6wqBiC 8CNSqHQhCQfpIdPcwssU3LArhrDDPnWCvIBos= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=nMSl1q8euU3Ubef7dAzuUmK5WhzEh4evIatkKPENwnhn7UGieQ6DUIaYuvwVafTleT Q7Vydstdz//9sLKEYaWV6+EpCEBe+nAZRu7CHvUe1lA3qiVby5mi3Bmolva43wGtYSad 7PqfAVrm9VXscjF9IcB5V83PhWQzc1Z9f760Q= MIME-Version: 1.0 Received: by 10.224.186.5 with SMTP id cq5mr5112403qab.373.1309246500584; Tue, 28 Jun 2011 00:35:00 -0700 (PDT) Received: by 10.229.234.9 with HTTP; Tue, 28 Jun 2011 00:35:00 -0700 (PDT) Date: Tue, 28 Jun 2011 09:35:00 +0200 Message-ID: Subject: [PATCH] _libssh2_recv(): handle ENOENT error as EAGAIN From: Alfred Gebert To: libssh2-devel@cool.haxx.se X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Tue, 28 Jun 2011 09:35:16 +0200 (CEST) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Tue, 28 Jun 2011 09:35:06 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se A sftp session failed with error "failure establishing ssh session" on Solaris and HP-UX. Sometimes the first recv() function call sets errno to ENOENT. In the man pages for recv of Solaris and HP-UX the error ENOENT is not documented. I tested Solaris SPARC and x86, HP-UX i64, AIX, Windows and Linux. --- src/misc.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-) diff --git a/src/misc.c b/src/misc.c index 489605c..fefb497 100644 --- a/src/misc.c +++ b/src/misc.c @@ -108,8 +108,12 @@ _libssh2_recv(libssh2_socket_t sock, void *buffer, size_t length, int flags) return -errno; } #else - if (rc < 0 ) - return -errno; + if (rc < 0 ){ + if ( errno == ENOENT ) + return -EAGAIN; + else + return -errno; + } #endif return rc; } -- 1.7.3.4 _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Tue Jun 28 22:40:50 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5SKeLGF004527; Tue, 28 Jun 2011 22:40:47 +0200 Received: from giant.haxx.se (giant.haxx.se [80.67.6.50]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5SKeJor004519 for ; Tue, 28 Jun 2011 22:40:19 +0200 Date: Tue, 28 Jun 2011 22:40:19 +0200 (CEST) From: Daniel Stenberg X-X-Sender: dast@giant.haxx.se To: libssh2 development Subject: Re: SIGSEGV if using patch "keyb-interactive: allow zero length fields" In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) X-fromdanielhimself: yes MIME-Version: 1.0 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Tue, 28 Jun 2011 22:40:50 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Tue, 28 Jun 2011 22:40:20 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se On Tue, 28 Jun 2011, Alfred Gebert wrote: > I'm using libssh2 from git. My test uses curl and if I try to establish a > sftp session the program dies with "Segmentaion fault". Thanks for this report! > #2 0xb7b136d8 in userauth_keyboard_interactive (session=0x8084a40, > username=0x8084810 "agebert", username_len=7, > response_callback=0xb7e83840 ) at userauth.c:1616 At this point (userauth.c:1616), is session->userauth_kybd_data NULL or what does it point to? If it isn't NULL, I'm curious to figure out what it points to... -- / daniel.haxx.se _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Tue Jun 28 22:44:36 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5SKiZCE005550; Tue, 28 Jun 2011 22:44:36 +0200 Received: from giant.haxx.se (giant.haxx.se [80.67.6.50]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5SKiY6n005545 for ; Tue, 28 Jun 2011 22:44:34 +0200 Date: Tue, 28 Jun 2011 22:44:34 +0200 (CEST) From: Daniel Stenberg X-X-Sender: dast@giant.haxx.se To: libssh2 development Subject: Re: [PATCH] _libssh2_recv(): handle ENOENT error as EAGAIN In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) X-fromdanielhimself: yes MIME-Version: 1.0 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Tue, 28 Jun 2011 22:44:36 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Tue, 28 Jun 2011 22:44:34 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se On Tue, 28 Jun 2011, Alfred Gebert wrote: > A sftp session failed with error "failure establishing ssh session" on > Solaris and HP-UX. Sometimes the first recv() function call sets errno to > ENOENT. In the man pages for recv of Solaris and HP-UX the error ENOENT is > not documented. > > I tested Solaris SPARC and x86, HP-UX i64, AIX, Windows and Linux. Thanks, applied! -- / daniel.haxx.se _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Wed Jun 29 08:42:42 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5T6gKBl008198; Wed, 29 Jun 2011 08:42:38 +0200 Received: from mail-qy0-f175.google.com (mail-qy0-f175.google.com [209.85.216.175]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5T6gHgx008126 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Wed, 29 Jun 2011 08:42:18 +0200 Received: by qyk30 with SMTP id 30so2396454qyk.20 for ; Tue, 28 Jun 2011 23:42:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=3RzgEUS5fkDwhOwqV8vwfz/qsK9zLb0rLZd09HuqC8Q=; b=YloeNf2ObhZBxzmD3jNEnnK1IbC8p+BUPnLQEiX/rqtC1QJYAvpfVT3SYscWrcmFH4 0uV8c2dDk46mrfyGEPSM3bu2A1ugRWgHY9KVJnCIjisw4SXYuKUZVE2cpRC0Xloqv+xZ od6m037QJpt/KH4eDy3ZURbIzzMcjG2o5PVoc= MIME-Version: 1.0 Received: by 10.229.7.141 with SMTP id d13mr311744qcd.21.1309329733251; Tue, 28 Jun 2011 23:42:13 -0700 (PDT) Received: by 10.229.241.9 with HTTP; Tue, 28 Jun 2011 23:42:13 -0700 (PDT) In-Reply-To: References: Date: Wed, 29 Jun 2011 08:42:13 +0200 Message-ID: Subject: Re: SIGSEGV if using patch "keyb-interactive: allow zero length fields" From: Alfred Gebert To: libssh2 development X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Wed, 29 Jun 2011 08:42:42 +0200 (CEST) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Wed, 29 Jun 2011 08:42:18 +0200 (CEST) X-MIME-Autoconverted: from quoted-printable to 8bit by giant.haxx.se id p5T6gHgx008126 X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by giant.haxx.se id p5T6gKBl008198 On Tue, Jun 28, 2011 at 10:40 PM, Daniel Stenberg wrote: > On Tue, 28 Jun 2011, Alfred Gebert wrote: > >> I'm using libssh2 from git. My test uses curl and if I try to establish a >> sftp session the program dies with "Segmentaion fault". > > Thanks for this report! > >> #2  0xb7b136d8 in userauth_keyboard_interactive (session=0x8084a40, >> username=0x8084810 "agebert", username_len=7, >>   response_callback=0xb7e83840 ) at userauth.c:1616 > > At this point (userauth.c:1616), is session->userauth_kybd_data NULL or what > does it point to? session->userauth_kybd_data is _not_ NULL. > > If it isn't NULL, I'm curious to figure out what it points to... > Can you reproduce the bug? _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Wed Jun 29 11:50:20 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5T9nt5O025593; Wed, 29 Jun 2011 11:50:14 +0200 Received: from giant.haxx.se (giant.haxx.se [80.67.6.50]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5T9nr5i025578 for ; Wed, 29 Jun 2011 11:49:53 +0200 Date: Wed, 29 Jun 2011 11:49:53 +0200 (CEST) From: Daniel Stenberg X-X-Sender: dast@giant.haxx.se To: libssh2 development Subject: Re: SIGSEGV if using patch "keyb-interactive: allow zero length fields" In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) X-fromdanielhimself: yes MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="1129329158-1063505007-1309340993=:19858" X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Wed, 29 Jun 2011 11:50:20 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Wed, 29 Jun 2011 11:49:53 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --1129329158-1063505007-1309340993=:19858 Content-Type: TEXT/PLAIN; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8BIT On Wed, 29 Jun 2011, Alfred Gebert wrote: >>> #2  0xb7b136d8 in userauth_keyboard_interactive (session=0x8084a40, >>> username=0x8084810 "agebert", username_len=7, >>>   response_callback=0xb7e83840 ) at userauth.c:1616 >> >> At this point (userauth.c:1616), is session->userauth_kybd_data NULL or what >> does it point to? > > session->userauth_kybd_data is _not_ NULL. Oh. Can you see from where it jumps to the cleanup label? > Can you reproduce the bug? I haven't even tried yet, I don't think I have any live keyboard-interactive enabled servers around and I haven't setup a test server for it. I thought we could start out with your tests and possibly figure it out based on this alone. -- / daniel.haxx.se --1129329158-1063505007-1309340993=:19858 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel --1129329158-1063505007-1309340993=:19858-- From libssh2-devel-bounces@cool.haxx.se Wed Jun 29 13:39:42 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5TBdQxv023057; Wed, 29 Jun 2011 13:39:39 +0200 Received: from mail-qy0-f182.google.com (mail-qy0-f182.google.com [209.85.216.182]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5TBdOLv023043 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Wed, 29 Jun 2011 13:39:25 +0200 Received: by qyk38 with SMTP id 38so677019qyk.20 for ; Wed, 29 Jun 2011 04:39:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=LOotiwWUSRG/gzk059HWucrJx+kZppTwcMW3zZsx7QE=; b=ZALPzkz7aMxLNeahBfxao3xAZqJ9ik5EYZneuljoIh9P9l9uJrUswyFpvNQ3VK9X0A 3cHMzxadhOtz6gmf5VWoxvn/lcs/DQ78hCEjT/lFHn8m02QP6PU80mbAaGfQGunW1ZxT nfmYIez56a/vvqeptetBzeQVA3enukTO657So= MIME-Version: 1.0 Received: by 10.229.137.149 with SMTP id w21mr497868qct.59.1309347560654; Wed, 29 Jun 2011 04:39:20 -0700 (PDT) Received: by 10.229.241.9 with HTTP; Wed, 29 Jun 2011 04:39:20 -0700 (PDT) In-Reply-To: References: Date: Wed, 29 Jun 2011 13:39:20 +0200 Message-ID: Subject: Re: SIGSEGV if using patch "keyb-interactive: allow zero length fields" From: Alfred Gebert To: libssh2 development X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Wed, 29 Jun 2011 13:39:41 +0200 (CEST) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Wed, 29 Jun 2011 13:39:25 +0200 (CEST) X-MIME-Autoconverted: from quoted-printable to 8bit by giant.haxx.se id p5TBdOLv023043 X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by giant.haxx.se id p5TBdQxv023057 On Wed, Jun 29, 2011 at 11:49 AM, Daniel Stenberg wrote: > On Wed, 29 Jun 2011, Alfred Gebert wrote: > >>>> #2  0xb7b136d8 in userauth_keyboard_interactive (session=0x8084a40, >>>> username=0x8084810 "agebert", username_len=7, >>>>   response_callback=0xb7e83840 ) at userauth.c:1616 >>> >>> At this point (userauth.c:1616), is session->userauth_kybd_data NULL or >>> what >>> does it point to? >> >> session->userauth_kybd_data is _not_ NULL. > > Oh. Can you see from where it jumps to the cleanup label? > session->userauth_kybd_data is set to NULL on line userauth.c:1575. And then modified here (gdb) cont Continuing. Hardware watchpoint 4: session->userauth_kybd_data Old value = (unsigned char *) 0x0 New value = (unsigned char *) 0x3
_libssh2_htonu32 (buf=0x8091855 "", value=3) at misc.c:176 176 } (gdb) where #0 _libssh2_htonu32 (buf=0x8091855 "", value=3) at misc.c:176 #1 0xb7b0102a in _libssh2_store_u32 (buf=0xbfffdaf0, value=3) at misc.c:182 #2 0xb7b01061 in _libssh2_store_str (buf=0xbfffdaf0, str=0x80966c0 "e2e", len=3) at misc.c:190 #3 0xb7b13600 in userauth_keyboard_interactive (session=0x8084a78, username=0x8083ef0 "agebert", username_len=7, response_callback=0xb7e83840 ) at userauth.c:1585 #4 0xb7b1390b in libssh2_userauth_keyboard_interactive_ex (session=0x8084a78, user=0x8083ef0 "agebert", user_len=7, response_callback=0xb7e83840 ) at userauth.c:1672 #5 0xb7e851d6 in ssh_statemach_act () from /home/agebert/local/lib/libcurl.so.4 #6 0xb7e87a32 in ssh_easy_statemach () from /home/agebert/local/lib/libcurl.so.4 #7 0xbfffec28 in ?? () Backtrace stopped: previous frame inner to this frame (corrupt stack?) The five byte from session->userauth_buf are too small and session->userauth_kybd_data is the next member after userauth_buf. _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Wed Jun 29 21:34:33 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5TJYDwg009338; Wed, 29 Jun 2011 21:34:30 +0200 Received: from giant.haxx.se (giant.haxx.se [80.67.6.50]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5TJYCdT009332 for ; Wed, 29 Jun 2011 21:34:12 +0200 Date: Wed, 29 Jun 2011 21:34:12 +0200 (CEST) From: Daniel Stenberg X-X-Sender: dast@giant.haxx.se To: libssh2 development Subject: Re: SIGSEGV if using patch "keyb-interactive: allow zero length fields" In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) X-fromdanielhimself: yes MIME-Version: 1.0 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Wed, 29 Jun 2011 21:34:33 +0200 (CEST) X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Wed, 29 Jun 2011 21:34:12 +0200 (CEST) X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se On Wed, 29 Jun 2011, Alfred Gebert wrote: > session->userauth_kybd_data is set to NULL on line userauth.c:1575. ... > The five byte from session->userauth_buf are too small and > session->userauth_kybd_data is the next member after userauth_buf. Thanks. Clearly I was very stupid when I changed that, and I've now reverted the bad stuff and put back the previous logic that should work better. Please pull the new code and see if it works better for you! -- / daniel.haxx.se _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel From libssh2-devel-bounces@cool.haxx.se Thu Jun 30 10:45:13 2011 Return-Path: Received: from www.haxx.se (localhost.localdomain [127.0.0.1]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5U8irin032764; Thu, 30 Jun 2011 10:45:09 +0200 Received: from mail-qy0-f182.google.com (mail-qy0-f182.google.com [209.85.216.182]) by giant.haxx.se (8.14.4/8.14.4/Debian-2) with ESMTP id p5U8ip7t032631 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Thu, 30 Jun 2011 10:44:52 +0200 Received: by qyk38 with SMTP id 38so1216444qyk.20 for ; Thu, 30 Jun 2011 01:44:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=rmR6XZbbmlmP4dRbxCAgpwxwLVxXK6xOzpAxDnQPFsY=; b=PGDq9QaHt9MdBQmiEq+r1jGX1jCyRHWb8trw9vEzSQIeVESbk1RvJW2AfVzCMgu3sT 67yPr3PXuDBhLf2PZ8V68twmJ5KR4gttyafpEKyxmU4/bdzia/6ZStY8h90dvj241HsS FADVNj6siTaw1s96VgDv6tZ6SyAWabXJU6KfA= MIME-Version: 1.0 Received: by 10.229.40.139 with SMTP id k11mr1321392qce.135.1309419867312; Thu, 30 Jun 2011 00:44:27 -0700 (PDT) Received: by 10.229.241.9 with HTTP; Thu, 30 Jun 2011 00:44:27 -0700 (PDT) In-Reply-To: References: Date: Thu, 30 Jun 2011 09:44:27 +0200 Message-ID: Subject: Re: SIGSEGV if using patch "keyb-interactive: allow zero length fields" From: Alfred Gebert To: libssh2 development X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [127.0.0.1]); Thu, 30 Jun 2011 10:45:12 +0200 (CEST) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (giant.haxx.se [80.67.6.50]); Thu, 30 Jun 2011 10:44:52 +0200 (CEST) Cc: Marcel Rassinger X-BeenThere: libssh2-devel@cool.haxx.se X-Mailman-Version: 2.1.14 Precedence: list Reply-To: libssh2 development List-Id: libssh2 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: libssh2-devel-bounces@cool.haxx.se Sender: libssh2-devel-bounces@cool.haxx.se On Wed, Jun 29, 2011 at 9:34 PM, Daniel Stenberg wrote: > On Wed, 29 Jun 2011, Alfred Gebert wrote: > >> session->userauth_kybd_data is set to NULL on line userauth.c:1575. > > ... > >> The five byte from session->userauth_buf are too small and >> session->userauth_kybd_data is the next member after userauth_buf. > > Thanks. Clearly I was very stupid when I changed that, and I've now reverted > the bad stuff and put back the previous logic that should work better. > Please pull the new code and see if it works better for you! > It works for me. Thank you. Alfred _______________________________________________ libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel