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Re: Bad assertion in getdn.c for libldap (ITS#2338)
> Full_Name: Quanah Gibson-Mount
> Version: 2.1.13
> OS: Solaris
> URL: ftp://ftp.openldap.org/incoming/
> Submission from: (NULL) (188.8.131.52)
> In evaluating a script that had run fine when using Net::LDAPapi
> compiled against the old Netscape libraries with Symas' Net::LDAPapi &
> OpenLDAP libraries from 2.1.13, I found that it now fails due to a
> failed assertion in getdn.c for libldap at line 93.
> The script simply makes an anonymous bind to our Netscape directory
> servers & does a query on the cn=monitor piece. It gets as far as
> performing the search before returning the error:
> perl ldap.monitor directory1.stanford.edu
> getdn.c:93: failed assertion `ld != NULL'
the assert is in
int ldap_get_dn(LDAP *ld, LDAPMessage *entry)
which must be called with a valid ld (e.g. pointing
at the connection that returned entry); apparently
this is not happening, so your client may be hosed.
>From IETF draft "C LDAP Application Program Interface":
ldap_get_dn() will return NULL if there is some error parsing the dn,
setting error parameters in the session handle ld to indicate the error.
It returns a pointer to newly allocated space that the caller SHOULD
free by calling ldap_memfree() when it is no longer in use. Note the
format of the DNs returned is given by . The root DN is returned as
a zero length string ("").
Apparently, since the function must be able to set the error
parameters in the session handle, if required, then ld must be