Re: [Openslp-users] Cannot get OpenSLP to work on Windows 7
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Re: [Openslp-users] Cannot get OpenSLP to work on Windows 7
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From: Nick W. <ne...@wi...> - 2013-05-14 16:16:04
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Thanks, Robert, for your work in tracking this down. I've applied the patches, revision 1767, assuming I used mercurial correctly. :) --Nick On Tue, May 14, 2013 at 1:51 AM, Robert Hegner <rh...@hs...> wrote: > When I checked the return value of WSAGetLastError() yesterday I forgot to > start slpd before. I'm sorry for the confusion. > > When slpd is running, WSAGetLastError() returns 10040 (WSAEMSGSIZE). This > return value seems to be expected and is explicitly ignored in the code. > But then, since xferbytes is -1, the new condition on line 298 fails > (talking about the latest revision 1766 now). > > So since under Windows this error is expected, and since this error says > that we received more than the 16 bytes we're interested in, we could just > set xferbytes to 16 in this case, right? Attached you can find my updated > patches. > > That this didn't cause any problems with findsrvs is strange indeed. For > registering, SLPNetworkRecvMessage() was called five times, and then > slptool returned with -19. For findsrvs, SLPNetworkRecvMessage() was also > called five times and also failed to meet the condition on line 298 every > time, but finally slptool returned the services. Strange... > > > > Am 13.05.2013 17:59, schrieb Nick Wagner: > >> What is confusing me here is why this only happens when registering? An >> slptool findsrvs doesn't appear to exhibit the problem. >> >> >> On Mon, May 13, 2013 at 10:22 AM, Robert Hegner >> <rh...@hs... >> <mailto:rh...@hs...>> wrote: >> >> Yes I guess your fix for slptool makes more sense. >> >> WSAGetLastError() returns 10054 (WSAECONNRESET) >> >> http://msdn.microsoft.com/en-**us/library/windows/desktop/** >> ms740668%28v=vs.85%29.aspx<http://msdn.microsoft.com/en-us/library/windows/desktop/ms740668%28v=vs.85%29.aspx> >> >> >> >> >> Am 13.05.2013 17:07, schrieb Nick Wagner: >> > What is WSAGetLastError returning when you see the recvfrom error? >> > >> > And as far as the first patch goes, I believe Jon's intent was to >> check >> > for an empty string, not just a null pointer. So I would try: >> > >> > if ((cmdline->scopes != 0) && (*cmdline->scopes != 0)) >> > SLPSetProperty("net.slp.**useScopes", cmdline->scopes); >> > >> > >> > >> > >> > >> > On Mon, May 13, 2013 at 7:30 AM, Robert Hegner >> > <rh...@hs... >> <mailto:rh...@hs...> >> > <mailto:rh...@hs... >> >> <mailto:rh...@hs...>>> wrote: >> > >> > Ok I spent some more hours on this issue. I can successfully >> run >> > revisions 1715 to 1731. But with revision 1732 I get the >> error -19. >> > Revision 1732 contains some changes in slp_network.c (among >> others). >> > Below you can see how SLPNetworkRecvMessage() (in >> slp_network.c) >> > behaves in revision 1731 and 1732: >> > >> > Revision 1732: >> > - select() on line 237 returns 1 >> > - recvfrom() on line 243 returns -1 >> > - therefore the condition on line 276 is false and >> > SLPNetworkRecvMessage() sets errno to EINVAL and returns -1 >> > >> > Revision 1731: >> > - select() on line 237 returns 1 >> > - recvfrom() on line 243 returns -1 >> > - but now on line 276 the condition is true since it does not >> check >> > xferbytes as in revision 1732. SLPNetworkRecvMessage() then >> > continues without causing any errors. >> > >> > I don't know what the intention of the changes of revision >> 1732 was. >> > And I don't know if recvfrom() on line 243 should not return >> -1 to >> > begin with, or if the condition on line 276 in revision 1732 is >> > incorrect. But I think someone should have a closer look at >> > SLPNetworkRecvMessage() again. >> > >> > Attached you can find my suggested patches based on the latest >> > Mercurial revision. With these patches it works for me. >> > >> > >> > >> > Am 13.05.2013 09:29, schrieb Robert Hegner: >> > >> > I also did some more investigation on the second issue >> (error >> > code -19). >> > >> > When I use the beta 2 installer, it seems to work (I can >> register a >> > service using slptool without getting the -19 error). >> > >> > Then I stopped slpd and replaced the binaries with the >> ones I >> > built from >> > the latest Mercurial revision (cdaeb8) and restarted >> slpd. Then >> > I got >> > the -19 error again. >> > >> > Then I uninstalled OpenSLP, built the installer with the >> latest >> > Mercurial revision, and installed it with my own installer >> > again. Also >> > in this case I get the -19 error. >> > >> > So for me this looks like I can confirm the problem that >> Ren >> > described >> > in January (he suspected that a problem was introduced >> somewhere >> > between >> > beta 2 and the current revision). >> > >> > >> > >> > Am 10.05.2013 13:56, schrieb Robert Hegner: >> > >> > Hello, >> > >> > I've been using OpenSLP in my project for a while >> now. This >> > week I set >> > up a new computer (Windows 7 64Bit) and I tried to >> build and >> > run my >> > application and OpenSLP on this new machine with >> VC++2010. >> > Even though I >> > have a 64Bit OS I'm building OpenSLP as a 32Bit >> application, >> > since my >> > own application is also 32Bit. >> > >> > First I tried the latest version from the Mercurial >> > repository (cdaeb8). >> > I was able to build it and slpd seems to work, since >> > slptool findsrvs service:service-agent >> > returns one entry with my IP address. However, when I >> try this: >> > slptool register service:myserv.x://myhost.com >> <http://myhost.com> >> > <http://myhost.com> >> > (as in the examples of slptool), I get an access >> violation >> > (Unhandled >> > exception at 0x00401643 in slptool.exe: 0xC0000005: >> Access >> > violation >> > reading location 0x00000000.) >> > >> > Then I tried an older version (the latest version >> from the SVN >> > repository, rev. 1701). I can also build and install >> slpd, >> > and I can >> > also find the service-agent. But when I try to >> register a >> > service using >> > slptool I get error code -19. As far as I know this >> > indicates a problem >> > with the communication between slpd and slptool, right? >> > However, slpd >> > seems to be running (otherwise I wouldn't find the >> > service-agent). So I >> > guess it is a problem with missing privileges or a >> firewall >> > problem. >> > What rules do I need in the Windows Firewall to get >> OpenSLP >> > to work? (do >> > I need rules for slpd or slptool?, ingoing or outgoing? >> > which port and >> > protocol?). Unfortunately I cannot completely disable >> the >> > firewall for a >> > test due to group policies, but I can add rules. >> > >> > Any hints on how to solve or debug at least one of >> these >> > problems would >> > be much appreciated! >> > >> > Cheers, >> > Robert >> > >> > >> > >> ------------------------------**__----------------------------** >> --__------------------ >> > Learn Graph Databases - Download FREE O'Reilly Book >> > "Graph Databases" is the definitive new guide to graph >> > databases and >> > their applications. This 200-page book is written by >> three >> > acclaimed >> > leaders in the field. The early access version is >> available now. >> > Download your free book today! >> > http://p.sf.net/sfu/neotech___**d2d_may<http://p.sf.net/sfu/neotech___d2d_may> >> > <http://p.sf.net/sfu/neotech_**d2d_may<http://p.sf.net/sfu/neotech_d2d_may> >> > >> > >> > >> > >> > >> > >> ------------------------------**__----------------------------** >> --__------------------ >> > Learn Graph Databases - Download FREE O'Reilly Book >> > "Graph Databases" is the definitive new guide to graph >> databases and >> > their applications. This 200-page book is written by >> three acclaimed >> > leaders in the field. The early access version is >> available now. >> > Download your free book today! >> > http://p.sf.net/sfu/neotech___**d2d_may<http://p.sf.net/sfu/neotech___d2d_may> >> > <http://p.sf.net/sfu/neotech_**d2d_may<http://p.sf.net/sfu/neotech_d2d_may> >> > >> > >> > >> > >> > >> ------------------------------**------------------------------** >> ------------------ >> > Learn Graph Databases - Download FREE O'Reilly Book >> > "Graph Databases" is the definitive new guide to graph >> databases and >> > their applications. This 200-page book is written by three >> acclaimed >> > leaders in the field. The early access version is available >> now. >> > Download your free book today! >> http://p.sf.net/sfu/neotech_**d2d_may<http://p.sf.net/sfu/neotech_d2d_may> >> > ______________________________**_________________ >> > Openslp-users mailing list >> > Openslp-users@lists.**sourceforge.net<Ope...@li...> >> <mailto:Openslp-users@lists.**sourceforge.net<Ope...@li...> >> > >> > >> <mailto:Openslp-users@lists.**sourceforge.net<Ope...@li...> >> >> <mailto:Openslp-users@lists.**sourceforge.net<Ope...@li...> >> >> >> > https://lists.sourceforge.net/**lists/listinfo/openslp-users<https://lists.sourceforge.net/lists/listinfo/openslp-users> >> > >> > >> > >> > >> > >> ------------------------------**------------------------------** >> ------------------ >> > Learn Graph Databases - Download FREE O'Reilly Book >> > "Graph Databases" is the definitive new guide to graph databases >> and >> > their applications. This 200-page book is written by three >> acclaimed >> > leaders in the field. The early access version is available now. >> > Download your free book today! http://p.sf.net/sfu/neotech_** >> d2d_may <http://p.sf.net/sfu/neotech_d2d_may> >> > >> > >> > >> > ______________________________**_________________ >> > Openslp-users mailing list >> > Openslp-users@lists.**sourceforge.net<Ope...@li...> >> <mailto:Openslp-users@lists.**sourceforge.net<Ope...@li...> >> > >> > https://lists.sourceforge.net/**lists/listinfo/openslp-users<https://lists.sourceforge.net/lists/listinfo/openslp-users> >> > >> >> >> >> ------------------------------**------------------------------** >> ------------------ >> Learn Graph Databases - Download FREE O'Reilly Book >> "Graph Databases" is the definitive new guide to graph databases and >> their applications. This 200-page book is written by three acclaimed >> leaders in the field. The early access version is available now. >> Download your free book today! http://p.sf.net/sfu/neotech_**d2d_may<http://p.sf.net/sfu/neotech_d2d_may> >> ______________________________**_________________ >> Openslp-users mailing list >> Openslp-users@lists.**sourceforge.net<Ope...@li...> >> <mailto:Openslp-users@lists.**sourceforge.net<Ope...@li...> >> > >> https://lists.sourceforge.net/**lists/listinfo/openslp-users<https://lists.sourceforge.net/lists/listinfo/openslp-users> >> >> >> >> >> ------------------------------**------------------------------** >> ------------------ >> Learn Graph Databases - Download FREE O'Reilly Book >> "Graph Databases" is the definitive new guide to graph databases and >> their applications. This 200-page book is written by three acclaimed >> leaders in the field. The early access version is available now. >> Download your free book today! http://p.sf.net/sfu/neotech_**d2d_may<http://p.sf.net/sfu/neotech_d2d_may> >> >> >> >> ______________________________**_________________ >> Openslp-users mailing list >> Openslp-users@lists.**sourceforge.net<Ope...@li...> >> https://lists.sourceforge.net/**lists/listinfo/openslp-users<https://lists.sourceforge.net/lists/listinfo/openslp-users> >> >> > > > ------------------------------------------------------------------------------ > AlienVault Unified Security Management (USM) platform delivers complete > security visibility with the essential security capabilities. Easily and > efficiently configure, manage, and operate all of your security controls > from a single console and one unified framework. Download a free trial. > http://p.sf.net/sfu/alienvault_d2d > _______________________________________________ > Openslp-users mailing list > Ope...@li... > https://lists.sourceforge.net/lists/listinfo/openslp-users > > |
