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patch to build stunnel 4.15 with VS2005
by David Gillingham 29 Jun '06

29 Jun '06

All-- I have created a patch that will allow stunnel 4.15 to be built with Visual Studio 2005's command line environment. I have only tested it with VS2k5, but it should work for all Visual Studio .NET versions (that is, VS 7.0 or later). After you apply this patch to the source tree, you will need to run the makefile from a Visual Studio Command prompt (Start->Programs->Visual Studio->Visual Studio Tools->Visual Studio Command Prompt). From there, change the working directory to the stunnel\src folder and execute the command "nmake -f vs.mak all". After the build process has completed, you will have a working stunnel.exe. This patch will modify vc.mak to a working makefile for nmake (mimicing the basic structure of mingw.mak), common.h to include a couple missing headers for the I/O functions in pty.c, and env.c to include the winsock headers under the Win32 environment (replicating how it was done in common.h). This patch that is a result of internal testing/development I've done here at work and am releasing it to this list (and the stunnel developers) so that these changes could possibly be included in future stunnel releases. To the stunnel devs: if there's any additional work that can be done to get this integrated by the next release, just mention it. The other day, I tried sending the patch to the list as an attachment, but my message never showed up on either the mirt.net or google groups mirrors. I can only assume it was rejected because of the attachment. What follows is the full text of my patch file. > cat 4.15-MSVC2005.patch diff -cr stunnel-4.15-orig/src/common.h stunnel-4.15/src/common.h *** stunnel-4.15-orig/src/common.h Fri Mar 10 08:54:56 2006 --- stunnel-4.15/src/common.h Fri Jun 23 21:41:00 2006 *************** *** 153,158 **** --- 153,164 ---- #endif #include <windows.h> + /* include Visual Studio headers needed for I/O manipulation */ + #ifdef _MSC_VER + #include <io.h> + #include <fcntl.h> + #endif + #define ECONNRESET WSAECONNRESET #define ENOTSOCK WSAENOTSOCK #define ENOPROTOOPT WSAENOPROTOOPT diff -cr stunnel-4.15-orig/src/env.c stunnel-4.15/src/env.c *** stunnel-4.15-orig/src/env.c Sat Jan 7 13:47:36 2006 --- stunnel-4.15/src/env.c Mon Jun 26 21:11:25 2006 *************** *** 31,45 **** /* getpeername() can't be declared in the following includes */ #define getpeername no_getpeername #include <sys/types.h> #include <sys/socket.h> /* for AF_INET */ #include <netinet/in.h> #include <arpa/inet.h> /* for inet_addr() */ #include <stdlib.h> /* for getenv() */ #ifdef __BEOS__ #include <be/bone/arpa/inet.h> /* for AF_INET */ #include <be/bone/sys/socket.h> /* for AF_INET */ - #else - #include <sys/socket.h> /* for AF_INET */ #endif #undef getpeername --- 31,52 ---- /* getpeername() can't be declared in the following includes */ #define getpeername no_getpeername #include <sys/types.h> + #ifdef USE_WIN32 + #ifdef _WIN32_WCE + #include <winsock.h> + #else + #include <winsock2.h> + #include <ws2tcpip.h> + #endif /* _WIN32_WCE */ + #else /* USE_WIN32 */ #include <sys/socket.h> /* for AF_INET */ #include <netinet/in.h> #include <arpa/inet.h> /* for inet_addr() */ + #endif /* USE_WIN32 */ #include <stdlib.h> /* for getenv() */ #ifdef __BEOS__ #include <be/bone/arpa/inet.h> /* for AF_INET */ #include <be/bone/sys/socket.h> /* for AF_INET */ #endif #undef getpeername diff -cr stunnel-4.15-orig/src/vc.mak stunnel-4.15/src/vc.mak *** stunnel-4.15-orig/src/vc.mak Sat Jan 21 10:17:32 2006 --- stunnel-4.15/src/vc.mak Tue Jun 27 21:02:15 2006 *************** *** 1,2 **** ! # makefile for VC is not ready... --- 1,45 ---- ! # Simple Makefile.w32 for stunnel.exe by Michal Trojnara 1998-2006 ! # ! # Modified by David Gillingham (dgillingham(a)gmail.com) for Visual ! # Studio ! ! # Modify this to point to your actual openssl compile directory ! # (You did already compile openssl, didn't you???) ! SSLDIR=..\..\openssl-0.9.7j ! ! DEFINES=-DUSE_WIN32 -D_CRT_SECURE_NO_DEPRECATE \ ! -D_CRT_NONSTDC_NO_DEPRECATE -DHAVE_GETADDRINFO \ ! -DHAVE_GETNAMEINFO -D_MBCS ! CC=cl ! CFLAGS=-MD -W3 -Ox -O2 -Ob2 -Gs0 -GF -Gy -GL -nologo \ ! -I"$(SSLDIR)\inc32" $(DEFINES) ! ! LINK=link ! LDFLAGS=-INCREMENTAL:NO -NOLOGO -SUBSYSTEM:WINDOWS -OPT:REF \ ! -OPT:ICF -LTCG -MACHINE:X86 -ERRORREPORT:PROMPT ! LIBS=-LIBPATH:"$(SSLDIR)\out32dll" wsock32.lib ssleay32.lib \ ! libeay32.lib user32.lib gdi32.lib shell32.lib comdlg32.lib \ ! advapi32.lib ! ! OBJS=stunnel.obj ssl.obj ctx.obj file.obj client.obj protocol.obj \ ! sthreads.obj log.obj options.obj network.obj resolver.obj \ ! gui.obj ! ! ! all: stunnel.exe ! ! clean: ! del $(OBJS) resources.res ! del *.manifest ! del stunnel.exe ! ! stunnel.exe: $(OBJS) resources.res ! $(LINK) $(LDFLAGS) $(LIBS) -OUT:$@ $** ! IF EXIST $@.manifest mt -manifest $@.manifest -outputresource:$@;1 ! ! resources.res: resources.rc resources.h stunnel.ico ! rc /fo $@ resources.rc ! ! $(OBJS): $*.c *.h ! $(CC) $(CFLAGS) -c $*.c

2 1

stunnel in proxy mode won't start
by Dave Hinz 28 Jun '06

28 Jun '06

I'm trying to run stunnel in proxy mode, to accept connections on port 443, and forward them to an application listening at port 9999 on the same box. I believe I have the configuration correct, but I'm obviously overlooking something. Environment: stunnel 4.15 on sparc-sun-solaris2.9 with OpenSSL 0.9.7g 11 Apr 2005 I have built an stunnel.conf file, and a stunnel.pem file which are located in the correct place with the right permissions. I verified that by moving or changing permissions and seeing that errors were produced. I've changed the debug level to 7, and the following information is displayed when I try to start stunnel: cert# stunnel 2006.06.28 13:01:14 LOG7[9088:1]: Snagged 64 random bytes from /users/dave/.rnd 2006.06.28 13:01:14 LOG7[9088:1]: Wrote 1024 new random bytes to /users/dave/.rnd 2006.06.28 13:01:14 LOG7[9088:1]: RAND_status claims sufficient entropy for the PRNG 2006.06.28 13:01:14 LOG6[9088:1]: PRNG seeded successfully 2006.06.28 13:01:14 LOG7[9088:1]: Certificate: /usr/local/etc/stunnel/stunnel.pem 2006.06.28 13:01:14 LOG7[9088:1]: Key file: /usr/local/etc/stunnel/stunnel.pem 2006.06.28 13:01:14 LOG7[9088:1]: Verify directory set to / 2006.06.28 13:01:14 LOG5[9088:1]: Peer certificate location / 2006.06.28 13:01:14 LOG7[9088:1]: SSL context initialized for service test cert# Same thing if I run it as stunnel stunnel.conf -fd The prompt comes back immediately, ps -ef shows no stunnel running, and nothing is answering on port 443 which is where I'm telling it to listen: stunnel.conf file: cert = /usr/local/etc/stunnel/stunnel.pem chroot = /usr/local/etc/stunnel # PID is created inside chroot jail pid = /pid/stunnel.pid #setuid = nobody #setgid = nogroup # Authentication stuff verify = 3 # don't forget about c_rehash CApath # it is located inside chroot jail: CApath = / # Some debugging stuff debug = 7 output = stunnel.log # Use it for client mode client = no # Service-level configuration [test] accept = 127.0.0.1:443 connect = 127.0.0.1:9999 #TIMEOUTclose = 0 ---end stunnel.conf file--- The pem files are located in the same directory as the stunnel.conf, hence the "/" for the pathname above. What am I overlooking please?

1 0

stunnel.cfg file
by Dheeraj Sehrawat 28 Jun '06

28 Jun '06

Hi All, I am looking at a problem and found the system is using stunnel with web server. From my google search I have understood that stunnel is used to make the application SSL enable. Please validate my understanding. I found following stunnel.cfg file in properties directory Port0 Enabled=0 ExternalPort=0 LocalPort=0 SSLEnabled=0 UDP=0 Port1 Enabled=1 ExternalPort=1500 LocalPort=10080 SSLEnabled=0 Port2 Enabled=0 ExternalPort=1600 LocalPort=10080 SSLEnabled=1 ------------------------------------------------------ I have the following questions: 1] what is the meaning of ExternalPort and LocalPort ? How does these ports relate with each other? Please help me in understanding this configuration file. Thanks, Dheeraj __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

1 0

Re: enabling zlib compression
by ahall＠madasafish.com 27 Jun '06

27 Jun '06

I'd really like to get this working, but I'm not sure what other information you require? All other posts on this subject refer to making sure zlib is included when openssl is compiled. Well, I've confirmed that it is. Would a strace of stunnel attempting to start up help? FYI - The output of stunnel -version displays... stunnel 4.15 on i686-pc-linux-gnu with OpenSSL 0.9.7a Feb 19 2003 Threading:PTHREAD SSL:ENGINE Sockets:POLL,IPv4 Auth:LIBWRAP Could someone please provide me with some suggestions. Thanks very much. On Mon, 26 Jun 2006 13:09:36 , <ahall(a)madasafish.com> sent: >OK - after checking the OpenSSL src-rpm I can confirm that zlib is compiled... > >./Configure \ > --prefix=%{_prefix} --openssldir=%{_datadir}/ssl ${sslflags} \ > zlib no-idea no-mdc2 no-rc5 no-ec shared \ > --with-krb5-flavor=MIT \ > -I%{_prefix}/kerberos/include -L%{_prefix}/kerberos/%{_lib} \ > ${sslarch} > >Any ideas why the "compression=zlib" option still produces the "Failed to add >zlib compression method" error? > >Thanks very much. > > >>On Fri, 23 Jun 2006 17:01:24 , ahall(a)madasafish.com> sent: >> >>>Hi there, >>> >>>When I try to enable zlib compression at the server I get this error when >>>starting it up... >>> >>>2006.06.23 15:44:39 LOG3[3426:3086293504]: Failed to add zlib compression method >>> >>>How do I get zlib to work? Do I need to compile OpenSSL with zlib? >>> >>>I'm using Fedora Core 3 with stunnel-4.15, and OpenSSL and zlib are from RPM's. >>> >>>Thanks very much. > >---- - Madasafish - Voted Best Heavy Consumer Broadband Provider in the 2006 Internet Industry Awards http://www.madasafish.com/ ---- - Madasafish - Voted Best Heavy Consumer Broadband Provider in the 2006 Internet Industry Awards http://www.madasafish.com/

1 0

Patch to fix compile errors under MS Visual C++ 2005
by David Gillingham 26 Jun '06

26 Jun '06

Attached is a patch for stunnel 4.15 that allows the source to be built under Microsoft Visual Studio 2005. Here's a rundown of what's been changed: In common.h, I included io.h and fcntl.h so that pty.c would build without error. In env.c, I included the winsock headers (replicating how it was done for common.h), and removed a duplicate include of sys/socket.h. The latter change wasn't necessary for compiliation with MSVC, but I thought I'd remove what looked like an unncessary line. To get stunnel to build without warning, I defined the following preprocessor definitions: USE_WIN32 _CRT_SECURE_NO_DEPRECATE _CRT_NONSTDC_NO_DEPRECATE HAVE_GETADDRINFO HAVE_GETNAMEINFO _MBCS Later in the week, I'll post a patch to vs.mak to automate the build process (I'm still building with a solution file at the moment). To the stunnel developers: If there's anything extra I can do to ensure these changes are incorporated into the next release, please let me know.

1 0

Re: enabling zlib compression
by ahall＠madasafish.com 26 Jun '06

26 Jun '06

OK - after checking the OpenSSL src-rpm I can confirm that zlib is compiled... ./Configure \ --prefix=%{_prefix} --openssldir=%{_datadir}/ssl ${sslflags} \ zlib no-idea no-mdc2 no-rc5 no-ec shared \ --with-krb5-flavor=MIT \ -I%{_prefix}/kerberos/include -L%{_prefix}/kerberos/%{_lib} \ ${sslarch} Any ideas why the "compression=zlib" option still produces the "Failed to add zlib compression method" error? Thanks very much. >On Fri, 23 Jun 2006 17:01:24 , ahall(a)madasafish.com> sent: > >>Hi there, >> >>When I try to enable zlib compression at the server I get this error when >>starting it up... >> >>2006.06.23 15:44:39 LOG3[3426:3086293504]: Failed to add zlib compression method >> >>How do I get zlib to work? Do I need to compile OpenSSL with zlib? >> >>I'm using Fedora Core 3 with stunnel-4.15, and OpenSSL and zlib are from RPM's. >> >>Thanks very much. ---- - Madasafish - Voted Best Heavy Consumer Broadband Provider in the 2006 Internet Industry Awards http://www.madasafish.com/

1 0

Re: enabling zlib compression
by ahall＠madasafish.com 26 Jun '06

26 Jun '06

I have checked the OpenSSL INSTALL file and zlib /should/ be enabled by default... zlib-dynamic Like "zlib", but has OpenSSL load the zlib library dynamically when needed. This is only supported on systems where loading of shared libraries is supported. This is the default choice. If I can assume that Linux supports the loading of shared libraries, then can someone please help me to get zlib compression working over the stunnel. Thanks very much. On Fri, 23 Jun 2006 17:01:24 , <ahall(a)madasafish.com> sent: >Hi there, > >When I try to enable zlib compression at the server I get this error when >starting it up... > >2006.06.23 15:44:39 LOG3[3426:3086293504]: Failed to add zlib compression method > >How do I get zlib to work? Do I need to compile OpenSSL with zlib? > >I'm using Fedora Core 3 with stunnel-4.15, and OpenSSL and zlib are from RPM's. > >Thanks very much. > >---- - Madasafish - Voted Best Heavy Consumer Broadband Provider in the 2006 Internet Industry Awards http://www.madasafish.com/ ---- - Madasafish - Voted Best Heavy Consumer Broadband Provider in the 2006 Internet Industry Awards http://www.madasafish.com/

1 0

Solaris9/Sparc runtime library problems
by Dave Hinz 23 Jun '06

23 Jun '06

This is probably a very basic problem, but I've checked the FAQ and googled through the mailing list's archives and I'm not seeing what appears to be a match for this problem. I'm completely new to stunnel. It built and runs just fine on one of my linux dev boxes, but on Solaris, I can't get it to run. Attempting to run /usr/local/sbin/stunnel, I get the following: ---begin output--- jabba% ./stunnel ld.so.1: ./stunnel: fatal: libssl.so.0.9.7: open failed: No such file or directory Killed ---end output--- The various debug switches to stunnel give the same output - it's dying before anything can be started, apparently. libssl.so.0.9.7 is located on that box at /usr/local/ssl/lib/libssl.so.0.9.7and other ssl functions of the system appear to work normally. I suspect that stunnel just doesn't know how to find it, but I'm at a loss as to how to tell it where to look. Can someone suggest my next steps please? Thank you, Dave Hinz

2 1

Patch for stunnel 4.15 to support pgsql protocol
by Peter Kuma 23 Jun '06

23 Jun '06

Hi I've written a short patch for stunnel 4.15 adding support for PostgreSQL SSL negotiation. I hope it'll be useful. http://vcielka.rec.uniba.sk/~peter/stunnel-pgsql.patch PostgreSQL documentation explaining how to establish SSL connection: http://www.postgresql.org/docs/8.1/interactive/protocol-flow.html#AEN60652 http://www.postgresql.org/docs/8.1/interactive/protocol-message-formats.html Regards Peter Kuma

1 0

enabling zlib compression
by ahall＠madasafish.com 23 Jun '06

23 Jun '06

Hi there, When I try to enable zlib compression at the server I get this error when starting it up... 2006.06.23 15:44:39 LOG3[3426:3086293504]: Failed to add zlib compression method How do I get zlib to work? Do I need to compile OpenSSL with zlib? I'm using Fedora Core 3 with stunnel-4.15, and OpenSSL and zlib are from RPM's. Thanks very much. ---- - Madasafish - Voted Best Heavy Consumer Broadband Provider in the 2006 Internet Industry Awards http://www.madasafish.com/

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