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Re: (ITS#3595) Can't resolve LDAP server name on HPUX 11.11

To: openldap-its@OpenLDAP.org
Subject: Re: (ITS#3595) Can't resolve LDAP server name on HPUX 11.11
From: hxdg21@yahoo.com
Date: Fri, 18 Mar 2005 17:11:44 GMT
Thanks for the reply, Kurt. I agree with you. Since
these interfaces are obsolete, it would be indeed a
waste of time to try and support them. 

Was my analysis of the problem correct? Am I right to
conclude that it would not be possible to build
OpenLDAP 2.2.23 on HP-UX 11.11 without changing its
source code first? It looks to me like this is the
case but I was looking for some feedback from someone
who might be more familiar with the source code of
OpenLDAP.

Thanks again

--- "Kurt D. Zeilenga" <Kurt@OpenLDAP.org> wrote:

> In reading getent(3) for HP-UX 11.11
>  
> http://docs.hp.com/en/B2355-60103/gethostent.3N.html
> 
> that gethostbyname_r(3) and gethostbyaddr_r(3) are
> categorized
> as obsolete interfaces, and hence moved from -lc to
> -ld4r and
> may be completely removed in subsequent releases.
> 
> It would seem that it not appropriate to add
> detection
> for -ld4r and these obsolete interfaces.  Instead,
> the
> code should use gethostbyname(3) and
> gethostbyaddr(3).
> Unforunately, these will be unnecessary mutex
> protected
> in -lldap_r as we have no good way of detecting
> whether
> or not their implementations are thread-safe.
> 
> Kurt
> 
> At 10:24 AM 3/11/2005, hxdg21@yahoo.com wrote:
> >Full_Name: Larry Smith
> >Version: 2.2.23
> >OS: HPUX 11.11
> >URL: ftp://ftp.openldap.org/incoming/
> >Submission from: (NULL) (129.188.33.222)
> >
> >
> >Hello,
> >
> >I have been able to successfully build OpenLDAP
> 2.2.23 on this system:
> >
> >> uname -a
> >HP-UX myserver B.11.11 U 9000/800 3308236008
> unlimited-user license
> >
> >However, I can only make LDAP work if I use the IP
> address of the LDAP server.
> >It cannot resolve the name of my LDAP server. 
> >
> >For example:
> >
> >It does not work when I do this:
> >
> >> bin/ldapsearch -l 10 -z 1 -h ldapsrv.mynet.com -u
> -A -b
> >"ou=people,ou=intranet,dc=mybus,dc=com" "uid=myid"
> >ldap_bind: Can't contact LDAP server (-1)
> >
> >but it works fine if I replace ldapsrv.mynet.com by
> its IP address. I know that
> >naming resolution is working fine because I can
> ping or nslookup
> >ldapsrv.mynet.com . 
> >
> >You will find below a full log of the configuration
> of my build. You will notice
> >the following in the log:
> >
> >checking for gethostbyname_r... yes
> >checking for gethostbyaddr_r... yes
> >...
> >checking number of arguments of gethostbyname_r...
> 0
> >checking number of arguments of gethostbyaddr_r...
> 0
> >
> >When I looked at the source code, I got the
> impression that the problem is
> >happening because nobody has ported this OpenLDAP
> version to HP-UX 11.11 yet.
> >The configuration of OpenLDAP is looking for a
> gethostbyname_r function
> >requiring either 5 or 6 parameters and a
> gethostbyaddr_r function requiring
> >either 7 or 8 parameters. On HP-UX 11.11 though,
> these functions are implemented
> >as follows (from the man page):
> >
> >      int gethostbyname_r(const char *name,
> >                          struct hostent *result,
> >                          struct hostent_data
> *buffer);
> >
> >      int gethostbyaddr_r(const char *addr,
> >                          int len,
> >                          int type,
> >                          struct hostent *result,
> >                          struct hostent_data
> *buffer);
> >
> >Has anyone been able to get OpenLDAP to run on HPUX
> 11.11? If yes, what version
> >did you use? Did you have to modify the source
> code? Any ideas will be greatly
> >appreciated.
> >
> >Here is the full log of the configuration of my
> build
> >
> >> CC=gcc LIBS='-ld4r' ./configure
> --prefix=/apps/public/openldap-2.2.23-hp
> >--without-cyrus_sasl --disable-slapd --enable-debug
> >Copyright 1998-2005 The OpenLDAP Foundation. All
> rights reserved.
> >        Restrictions apply, see COPYRIGHT and
> LICENSE files.
> >Copyright 1998-2005 The OpenLDAP Foundation. All
> rights reserved.
> >        Restrictions apply, see COPYRIGHT and
> LICENSE files.
> >Configuring [1mOpenLDAP 2.2.23-Release[m ...
> >checking host system type... hppa2.0w-hp-hpux11.11
> >checking target system type...
> hppa2.0w-hp-hpux11.11
> >checking build system type... hppa2.0w-hp-hpux11.11
> >checking for a BSD compatible install...
> /apps/public/bin/ginstall -c
> >checking whether build environment is sane... yes
> >checking for mawk... no
> >checking for gawk... gawk
> >checking whether make sets ${MAKE}... yes
> >checking for working aclocal... found
> >checking for working autoconf... found
> >checking for working automake... found
> >checking for working autoheader... found
> >checking for working makeinfo... found
> >checking for gnutar... no
> >checking for gtar... gtar
> >checking configure arguments... configure: warning:
> slapd disabled, ignoring
> >--enable-bdb argument
> >configure: warning: slapd disabled, ignoring
> --enable-monitor argument
> >done
> >checking for a BSD compatible install...
> /apps/public/bin/ginstall -c
> >checking for ar... ar
> >checking for Cygwin environment... no
> >checking for mingw32 environment... no
> >checking for EMX OS/2 environment... no
> >checking how to run the C preprocessor... gcc -E
> >checking for gcc... gcc
> >checking whether the C compiler (gcc   ) works...
> yes
> >checking whether the C compiler (gcc   ) is a
> cross-compiler... no
> >checking whether we are using GNU C... yes
> >checking whether gcc accepts -g... no
> >checking for ld used by GCC... /usr/ccs/bin/ld
> >checking if the linker (/usr/ccs/bin/ld) is GNU
> ld... no
> >checking for /usr/ccs/bin/ld option to reload
> object files... -r
> >checking for BSD-compatible nm... /bin/nm -p
> >checking for a sed that does not truncate output...
> /apps/public/bin/gsed
> >checking whether ln -s works... yes
> >checking how to recognise dependent libraries...
> file_magic
> >(s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared
> library
> >checking for object suffix... o
> >checking for executable suffix... no
> >checking command to parse /bin/nm -p output... ok
> >checking for dlfcn.h... yes
> >checking for ranlib... ranlib
> >checking for strip... strip
> >checking for objdir... .libs
> >checking for gcc option to produce PIC... -fPIC
> >checking if gcc PIC flag -fPIC works... yes
> >checking if gcc static flag -static works... no
> >checking if gcc supports -c -o file.o... yes
> >checking if gcc supports -c -o file.lo... yes
> >checking if gcc supports -fno-rtti
> -fno-exceptions... yes
> >checking whether the linker (/usr/ccs/bin/ld)
> supports shared libraries... yes
> >checking how to hardcode library paths into
> programs... relink
> >checking whether stripping libraries is possible...
> no
> >checking dynamic linker characteristics...
> hpux11.11 dld.sl
> >checking if libtool supports shared libraries...
> yes
> >checking whether to build shared libraries... yes
> >checking whether to build static libraries... yes
> >checking for dllload... no
> >checking for shl_load... yes
> >creating libtool
> >checking whether ln works... yes
> >checking whether ln -s works... (cached) yes
> >checking how to run the C preprocessor... gcc -E
> >checking for Cygwin environment... (cached) no
> >checking for mingw32 environment... (cached) no
> 
=== message truncated ===


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