Re: Antwort: Re: Antwort: OpenLDAP API

[Igor Brezac <igor@ipass.net>]

True.  However, ldap_unbind() should not produce an exception in this
case.  I read the postfix ldap code and they do not call ldap_unbind() in
this case, they just call ldap_init again.  This will cause a small memory
leak whenver ldap server is restarted.

-Igor

On Tue, 2 Apr 2002 f.skale@mainwork.com wrote:

>
> I think that could be managed with ldap_perror() to deal with the
> connection if the server is down.
> If i don't put the perror line in, than there is an exception procuded by
> the ldap library.
> The same error occurs when you use proftp-ldap and enter the wrong
> search-base.
> Franz
> ____________________________________________________
> Franz Skale
> mainwork information technology AG
> IT-Services
> Tech Gate Vienna
> Donaucitystrasse 1
> A-1220 Wien
> Tel: +43 1 333 48 58-0
> Fax: +43 1 333 48 58-24
> e-mail: f.skale@mainwork.com
> Internet: http://www.mainwork.com
>
>
>
>                     Igor Brezac
>                     <igor@ipass.n        An:     <f.skale@mainwork.com>
>                     et>                  Kopie:  <OpenLdap-Software@OpenLDAP.com>
>                                          Thema:  Re: Antwort: OpenLDAP API
>                     02.04.2002
>                     16:22
>
>
>
>
>
>
>
> Thanks for the response.  This program works fine if the ldap server is
> available at all times.  Try to put a break right before ldap_search_st()
> and stop the ldap server at that point.
>
> I am working on ldap based auth modules for saslauthd/saslv[12] and I am
> testing the recovery from ldap server outages.
>
> -Igor
>
> On Tue, 2 Apr 2002 f.skale@mainwork.com wrote:
>
> >
> > I tested the short program and it worked for me by modifying the base_dn
> > and the search filter.
> > Perhaps your ACL is so strong not to allow a anoymous simple bind.#
> > Have you runed on debugging or other logging style ?
> > You should supply a username and password to bind as manager or anything
> > else.
> >
> > My ldap_simple_bind:
> > rc = ldap_simple_bind_s(ldi, "cn=Manager,dc=mainwork,dc=nw", "secure");
> >
> > My filter:
> > char *filter = "uid=Admin*";
> >
> > Output:
> > DN: uid=Admin,ou=Admins,ou=Mainhost01,o=mainwork information technology
> > AG,dc=mainwork,dc=nw
> >
> >
> > Rgds Franz
> >
> >
> >
> > ____________________________________________________
> > Franz Skale
> > mainwork information technology AG
> > IT-Services
> > Tech Gate Vienna
> > Donaucitystrasse 1
> > A-1220 Wien
> > Tel: +43 1 333 48 58-0
> > Fax: +43 1 333 48 58-24
> > e-mail: f.skale@mainwork.com
> > Internet: http://www.mainwork.com
> >
> >
> >
> >                     Igor Brezac
> >                     <igor@ipass.net>                  An:
> <OpenLdap-Software@OpenLDAP.com>
> >                     Gesendet von:                     Kopie:
> >                     owner-openldap-software@Op        Thema:  OpenLDAP
> API
> >                     enLDAP.org
> >
> >
> >                     01.04.2002 16:56
> >
> >
> >
> >
> >
> >
> >
> > I apologize for the duplicate message, I forgot to use the subject line.
> >
> > Hello,
> >
> > I use Solaris 8 and openldap 2.0.23.  The following short program crashes
> > on the ldap_unbind() call.  I tried various different versions of this
> > program without success.  Am I doing something wrong here?
> >
> > Your help will be greatly appreciated.
> >
> > -Igor
> >
> > #include        <sys/types.h>
> > #include        <stdlib.h>
> >
> > #include        <lber.h>
> > #include        <ldap.h>
> >
> > int main() {
> >
> >         int rc;
> >         LDAP   *ldi;
> >         struct timeval tv;
> >         LDAPMessage *res = NULL;
> >         LDAPMessage *msg = NULL;
> >         char *dn;
> >         char *server = "ldap://10.1.1.197/";;
> >         char *base_dn = "o=pb";
> >         char *filter = "uid=igor";
> >         char *attrs[] = {"dn",NULL};
> >
> >
> >         rc = ldap_initialize(&ldi, server);
> >         if (rc != LDAP_SUCCESS) {
> >                 exit (2);
> >         }
> >
> >         rc = ldap_simple_bind_s(ldi, "", "");
> >         if (rc != LDAP_SUCCESS) {
> >                 exit (2);
> >         }
> >
> > //  If the ldap server is no longer available at this point
> >
> >         tv.tv_sec = 5;
> >         tv.tv_usec = 0;
> >         rc = ldap_search_st(ldi, base_dn, LDAP_SCOPE_SUBTREE, filter,
> >                         (char **) attrs, 0, &tv, &res);
> >
> >         if (rc != LDAP_SUCCESS) {
> >                 ldap_get_option(ldi, LDAP_OPT_ERROR_NUMBER, &rc);
> >                 printf("ldap_search_st() error %s\n",
> ldap_err2string(rc));
> >                 ldap_msgfree(res);
> >                 ldap_unbind(ldi);
> >
> > // ldap_unbind will cause a dump here
> >
> >                 exit(2);
> >         }
> >
> >         msg = ldap_first_entry(ldi, res);
> >         dn = ldap_get_dn(ldi, msg);
> >         printf("DN: %s\n", dn);
> >
> >         ldap_msgfree(msg);
> >         free(dn);
> >         ldap_unbind_s(ldi);
> >         exit (1);
> > }
> >
> >
> >
> >
> >
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