stunnel-users

stunnel-users@stunnel.org

5 participants
3293 discussions

One bug solved/fixed -- bug in log.c or perhaps options.c
by Eric S. Eberhard 02 Oct '06

02 Oct '06

Because I am using inetd mode, any unintended output by stunnel to stdout is BAD as this is accepted as input through inetd to my calling program. The problem with stunnel is that in main it does main_initialize which has the final function "log_open" However, somewhere in "parse_config" a call is made to "s_log" (with the text "Snagged 64 bytes from ..." and since this is before the log_open, the output ends up on stdout rather than being logged. Rather than try and hunt down the function that outputs the premature error message, I modified s_log to open the log files itself if not already open. I fixed it as follows (suggest you put in to the release?): void s_log(int level, const char *format, ...) { va_list arglist; char text[STRLEN], timestamped[STRLEN]; time_t gmt; struct tm *timeptr; #if defined(HAVE_LOCALTIME_R) && defined(_REENTRANT) struct tm timestruct; #endif if(level>options.debug_level) return; va_start(arglist, format); #ifdef HAVE_VSNPRINTF vsnprintf(text, STRLEN, format, arglist); #else vsprintf(text, format, arglist); #endif va_end(arglist); #if !defined (USE_WIN32) && !defined (__vms) /******************** NEW CODE, NEXT 2 LINES *******/ if(!outfile && options.output_file) /* 'output' option specified, not open */ log_open(); if(!outfile && options.option.syslog) { syslog(level, "LOG%d[%lu:%lu]: %s", So now I don't get the "Snagged" message back on stdout ... but it still does not work for me (yet :-) ) Eric This email sent by: Eric S. Eberhard (928) 567-3727 Voice (928) 567-6122 Fax 928-301-7537 -- you may call any time day or night, I turn it off when I sleep :-) Please try to use a land line first (reception often poor). Note the change in the domain from vicspdi.com to vicsmba.com !!!! For Metropolis support and VICS MBA Support!!!! http://www.vicsmba.com Completely updated web site of personal pictures with many new pictures! Includes horses, dogs, Corvairs, and more. http://www.vicsmba.com/ourpics/index.html Corvair pictures including the Judson setup on our 62 Sedan and lots of pictures of Cheryl's 62 Monza Wagon and our 62 Spyder convertible. http://www.vicsmba.com/ourpics/corvairs.html My younger brother Martin has started a very serious car company. A hot rod (very fast) electric roadster is the first offering. The chassis is built by Lotus to their specs. Check it out: http://www.teslamotors.com

1 0

Setting up TLS for SMTP
by James Brown 01 Oct '06

01 Oct '06

I am trying to set up stunnel so that it accepts SSL encrypted traffic from the internet on port 2525 and sends it to my mail server on port 25. To create the certificate, I used: sudo openssl req -new -outform PEM -out smtpd.cert \ -newkey rsa:2048 -nodes -keyout smtpd.key -keyform PEM \ -days 365 -x509 My stunnel.conf is: ; Sample stunnel configuration file by Michal Trojnara 2002-2006 ; Some options used here may not be adequate for your particular configuration ; Certificate/key is needed in server mode and optional in client mode ; The default certificate is provided only for testing and should not ; be used in a production environment ;cert = stunnel.pem cert = /smtpd.cert ;key = stunnel.pem key = /smtpd.key ; Some performance tunings socket = l:TCP_NODELAY=1 socket = r:TCP_NODELAY=1 ; Workaround for Eudora bug ;options = DONT_INSERT_EMPTY_FRAGMENTS ; Authentication stuff ;verify = 2 ; Don't forget to c_rehash CApath ;CApath = certs ; It's often easier to use CAfile ;CAfile = certs.pem ; Don't forget to c_rehash CRLpath ;CRLpath = crls ; Alternatively you can use CRLfile ;CRLfile = crls.pem ; Some debugging stuff useful for troubleshooting ;debug = 7 ;output = stunnel.log ; Use it for client mode ;client = yes ; Service-level configuration ;[pop3s] ;accept = 995 ;connect = 110 ;[imaps] ;accept = 993 ;connect = 143 ;[ssmtp] ;accept = 465 ;connect = 25 ;[https] ;accept = 443 ;connect = 80 ;TIMEOUTclose = 0 ; vim:ft=dosini I am trying it in standalone mode. Using Stunnel 4.04. OpenSSL 0.9.7i 14 Oct 2005 Output of gcc -v is: Using built-in specs. Target: powerpc-apple-darwin8 Configured with: /private/var/tmp/gcc/gcc-5341.obj~1/src/configure -- disable-checking -enable-werror --prefix=/usr --mandir=/share/man -- enable-languages=c,objc,c++,obj-c++ --program-transform-name=/^[cg] [^.-]*$/s/$/-4.0/ --with-gxx-include-dir=/include/c++/4.0.0 --with- slibdir=/usr/lib --build=powerpc-apple-darwin8 --host=powerpc-apple- darwin8 --target=powerpc-apple-darwin8 Thread model: posix gcc version 4.0.1 (Apple Computer, Inc. build 5341) Whenever I try to start Stunnel, I get a message saying that there is no such file. Eg: $ stunnel -p /smtpd.cert -d 2525 -r 25 2006.10.01 00:36:46 LOG3[638:2684415368]: -p: No such file or directory (2) Syntax: stunnel [filename] | -help | -version | -sockets filename - use specified config file instead of /sw/etc/ stunnel/stunnel.conf -help - get config file help -version - display version and defaults -sockets - display default socket options I am using Mac OS X 10.4.8, Stunnel was built using Fink. Does anybody have any suggestions as to what I am doing wrong? Thanks, James.

1 0

stunnel on osX
by fmgre-dell＠yahoo.fr 30 Sep '06

30 Sep '06

>From: Michal Trojnara <Michal.Trojnara(a)mobi-com.net> >Subject: Re: [stunnel-users] Tr: failure notice >To: stunnel-users(a)mirt.net >Message-ID: <200609292118.57291.Michal.Trojnara(a)mobi-com.net> >Content-Type: text/plain; charset="utf-8" >On Friday 29 September 2006 16:11, fmgre-dell(a)yahoo.fr wrote: >> We have been using stunnel for 2 years now. >> We need to renew our keys, and we usually proceed to a >> software upgrade at the same time. >> Â >> - I have noticed changes in stunnel-client ( 4.16 ) >> running on OSX : now, stunnel asks for the key >> password for each service it is launching. > >Just password from your private key. 8-) > Hello, What i mean is that we have 8 different services running. they are all locked with the same key. We distribute the private key to other non-computer persons, who don t know how to remove a password from a key ( and we 'd like to keep the key locked ) With the former version of stunnel, we could unlock the 8 services with typing the password only once With the latest version, we need to type in the keyword once for every service ( i.e. 8 times !!! ) Is there any way to 'ease' the use of the latest version while keeping the key passworded ? bon week end fred ___________________________________________________________________________ Découvrez un nouveau moyen de poser toutes vos questions quelque soit le sujet ! Yahoo! Questions/Réponses pour partager vos connaissances, vos opinions et vos expériences. http://fr.answers.yahoo.com

2 1

Help please - debug and random file
by Eric S. Eberhard 29 Sep '06

29 Sep '06

Hello everyone. I have not been on the list for a long time. I last compiled openssl and stunnel in 2000 or so and have been using the same code ever since. I use it very simply in client mode ... I have an application to authorize credit cards and it connect to stunnel in inetd mode (with -c in the command line). visanet is now requiring version 2 SSL so I have to change so I got all the new stuff and compiled it up and made a .conf file. I have two problems (for now :-) ): 1) No matter what I do it seems that at least some debug is coming back through the socket, and no debug is going to my debug file 2) The debug I am getting is very strange -- the first time it says "Snagged 64 from bytes from stunnel.rnd" The second time it says "Unable to retrieve any random data from stunnel.rnd" When I examine the file it has a current date and zero bytes. If I copy back my old (2000) stunnel.rnd it always reads once, and then writes it back out with zero bytes. I am AIX 4.3.3 and I compiled with xlc and the only option I used that was not default was to not link in the wrappers. I did get a ton of warnings that the "-pthreaded" option was not valid ... but it executes and responds so I am not sure that matters? Or should I do something (what?) about that? My configuration files for the service (visanet) is: output = /tmp/stunnel.log debug = 7 RNDfile = /visanet/ssl/stunnel.rnd [visanet] client = yes connect = ssllab.pgs.wcom.net:443 sslVersion = SSLv2 protocol = smtp cert = /viasanet/ssl/stunnel.pem The rnd file and cert file are from 2000 (old old old!). I would have expected a file /tmp/stunnel.log -- the file is not even created! The old inetd line was: (blah blah) stunnel -r ssllab.pgs.wcom.net:443 -c -R /visanet/sslold/stunnel.rnd What stupid thing am I doing wrong? Does anyone else have experience using stunnel with visanet and can they give me any pointers? Thanks! Eric This email sent by: Eric S. Eberhard (928) 567-3727 Voice (928) 567-6122 Fax 928-301-7537 -- you may call any time day or night, I turn it off when I sleep :-) Please try to use a land line first (reception often poor). Note the change in the domain from vicspdi.com to vicsmba.com !!!! For Metropolis support and VICS MBA Support!!!! http://www.vicsmba.com Completely updated web site of personal pictures with many new pictures! Includes horses, dogs, Corvairs, and more. http://www.vicsmba.com/ourpics/index.html Corvair pictures including the Judson setup on our 62 Sedan and lots of pictures of Cheryl's 62 Monza Wagon and our 62 Spyder convertible. http://www.vicsmba.com/ourpics/corvairs.html My younger brother Martin has started a very serious car company. A hot rod (very fast) electric roadster is the first offering. The chassis is built by Lotus to their specs. Check it out: http://www.teslamotors.com

1 0

Tr: failure notice
by fmgre-dell＠yahoo.fr 29 Sep '06

29 Sep '06

Hello, We have been using stunnel for 2 years now. We need to renew our keys, and we usually proceed to a software upgrade at the same time. - I have noticed changes in stunnel-client ( 4.16 ) running on OSX : now, stunnel asks for the key password for each service it is launching. - a collegue is running stunnel ( client ) on windows and told me that the 4.15 and 4.16 version keeps on crashing on windows. Anybody with the same symptoms ( and possiby a workaround ? ) :-) ( we use keys which are protected by a password, we launch the stunnel ( client ) manually and type in the password for the service to start ) Sincerely, Fred ___________________________________________________________________________ Découvrez un nouveau moyen de poser toutes vos questions quelque soit le sujet ! Yahoo! Questions/Réponses pour partager vos connaissances, vos opinions et vos expériences. http://fr.answers.yahoo.com

2 1

create_client failed
by James 29 Sep '06

29 Sep '06

I am running Debian 3.1 (stable) with stunnel 3.26 (Debian package) to wrap my qmail pop3 daemon. Stunnel works properly for a good amount of time, but at a point (I am unable to find any specific influencing factors) it begins to fail with the error, "Connection reject: create_client failed" (see below for more info). To fix the error I have to kill and restart stunnel. I have adjusted the timeouts for both stunnel and the pop3 daemon, but nothing appears to have a lasting affect. When stunnel errors out the pop3 daemon is still available and can be connected to, so it does not appear to be an issue related to stunnel not being able to talk to the pop3 daemon. Below I have some of the debugging and system information regarding the system and problem. I would be more than appreciative if anyone had some input. Thank you. # Error stunnel[2500]: pop3 accepted FD=9 ###.###.###.### stunnel[2500]: Connection rejected: create_client failed # strace -p select(7, [4 6], NULL, NULL, NULL) = 1 (in [6]) fcntl64(6, F_GETFL) = 0x2 (flags O_RDWR) fcntl64(6, F_SETFL, O_RDWR|O_NONBLOCK) = 0 accept(6, {sa_family=AF_INET, sin_port=htons(63759), sin_addr=inet_addr("###.###.###.###")}, [16]) = 9 fcntl64(6, F_SETFL, O_RDWR) = 0 fcntl64(9, F_SETFD, FD_CLOEXEC) = 0 rt_sigprocmask(SIG_BLOCK, [HUP INT QUIT TERM CHLD], [], 8) = 0 mmap2(NULL, 8388608, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = -1 ENOMEM (Cannot allocate memory) rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 close(9) = 0 time([1159535901]) = 1159535901 getpid() = 21864 rt_sigaction(SIGPIPE, {0x40253a70, [], 0}, {SIG_IGN}, 8) = 0 send(3, "<27>Sep 29 09:18:21 stunnel[2186"..., 77, 0) = 77 rt_sigaction(SIGPIPE, {SIG_IGN}, NULL, 8) = 0 close(9) = -1 EBADF (Bad file descriptor) # uname -a 2.6.8-3-686-smp #1 SMP Thu Sep 7 04:39:15 UTC 2006 i686 GNU/Linux # libc version GNU C Library stable release version 2.3.2 # Command Running /usr/sbin/stunnel -d pop3s -r pop3 -p /etc/ssl/certs/pop3d.pem -R /dev/urandom -s nobody -g root # stunnel -V stunnel 3.26 on i386-pc-linux-gnu PTHREAD+LIBWRAP with OpenSSL 0.9.7e 25 Oct 2004 Default behaviour: run in inetd mode (unless -d used) run in background (unless -f used) run in ssl server mode (unless -c used) Compile time defaults: -v level no verify -a directory /etc/ssl/certs -A file (none) -S sources 3 -t timeout 300 seconds -B bytes 64 -D level 5 -P pid dir /var/run/stunnel/ -p pemfile in server mode: /etc/ssl/certs/stunnel.pem in client mode: none Socket option defaults: Option Accept Local Remote OS default SO_DEBUG -- -- -- 0 SO_DONTROUTE -- -- -- 0 SO_KEEPALIVE -- -- -- 0 SO_LINGER -- -- -- 0:0 SO_OOBINLINE -- -- -- 0 SO_RCVBUF -- -- -- 87380 SO_SNDBUF -- -- -- 16384 SO_RCVLOWAT -- -- -- 1 SO_SNDLOWAT -- -- -- 1 SO_RCVTIMEO -- -- -- 0:0 SO_SNDTIMEO -- -- -- 0:0 SO_REUSEADDR 1 -- -- 0 SO_BINDTODEVICE -- -- -- -- IP_TOS -- -- -- 0 IP_TTL -- -- -- 64 TCP_NODELAY -- -- -- 0

1 0

SSL and keep alive
by Alex Turner 29 Sep '06

29 Sep '06

All, I am load testing stunnel as a front end to a web server. The problem I have is that the connection is dropping even though JMeter is set to keep-alive on the http sampler. I was wondering if anyone knew if this was a JMeter issue – IE it does not do http1.1 properly with SSL or should I dig deeper? The stunnel log just shows the socket being closed down at the end of each request. Now – as stunnel should not care what data is going over ssl, then there must be something from JMeter that is triggering it to drop the socket. My thinking is that this is either an SSL session end or an actual FIN. In the absence of any feedback – I think I will try using stunnel in both client and server modes and, as I already know JMeter is OK at keep-alive non https – I should thus find out where the issue lays. Thanks for any info AJ PS – I am working on XP both ends with JMeter 2.2 and the latest stunnel. PPS – Naturally, once I have this figured I will post the method and results to nerds-central Alexander J Turner Ph.D. HYPERLINK "http://www.deployview.com"www.deployview.com HYPERLINK "http://www.nerds-central.blogspot.com"www.nerds-central.blogspot.com HYPERLINK "http://www.project-network.com"www.project-network.com -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.405 / Virus Database: 268.12.9/457 - Release Date: 26/09/2006

2 3

Zombies in 4.17?
by Pete Resnick 28 Sep '06

28 Sep '06

I'm running 4.17 on a Mac Mini (Intel) running MacOSX 10.4.7 and I'm seeing a slew of zombies. Anything I can do to track down what the problem is? pr -- Pete Resnick <http://www.episteme-software.com/> All connections to the world are tenuous at best

2 2

stunnel 4.18 released
by Michal Trojnara 26 Sep '06

26 Sep '06

Version 4.18, 2006.09.26, urgency: MEDIUM: * Bugfixes - GPF on entering private key pass phrase on Win32 fixed. - Updated Win32 OpenSSL DLLs. - Minor configure script update. Home page: http://stunnel.mirt.net/ Download: ftp://stunnel.mirt.net/stunnel/ sha1sum for stunnel-4.18.tar.gz: 3ed3eaefae91d80fcfcbb29dd285d0f773756397 Best regards, Mike

1 0

Windows OpenSSL DLL Version
by algol sigfrid 26 Sep '06

26 Sep '06

2 1

Jump to page:

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

stunnel-users