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Date: Fri, 5 Nov 2004 12:50:26 GMT
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To: freebsd-ports-bugs@FreeBSD.org
From: Volker Stolz <stolz@i2.informatik.rwth-aachen.de>
Subject: Re: ports/73541: samba3+openldap core dump
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The following reply was made to PR ports/73541; it has been noted by GNATS.

From: Volker Stolz <stolz@i2.informatik.rwth-aachen.de>
To: Ivo Roumenov Tonev <ivo@tonev.pro.br>
Cc: freebsd-gnats-submit@freebsd.org
Subject: Re: ports/73541: samba3+openldap core dump
Date: Fri, 5 Nov 2004 13:43:52 +0100

 Am 05. Nov 2004 um 13:06 CET schrieb Ivo Roumenov Tonev:
 > samba3 was recompiled & work/samba-3.0.7/source/bin/smbpasswd copied to
 > /usr/local/bin/smbpasswd
 > 
 > #0  0x28393c75 in strdup () from /lib/libc.so.5
 > (gdb) bt
 > #0  0x28393c75 in strdup () from /lib/libc.so.5
 > #1  0x080b5229 in append_attr ()
 > #2  0x080b5290 in ldapsam_getsampwnam ()
 > #3  0x080ac921 in context_getsampwnam ()
 > #4  0x080ae421 in pdb_getsampwnam ()
 > #5  0x080a8551 in local_password_change ()
 > #6  0x08068cde in password_change ()
 > #7  0x080691db in process_root ()
 > #8  0x08069592 in main ()
 > #9  0x080685b2 in _start ()
 > (gdb)
 > 
 > and now ?????
 
 It looks like in pdb_ldap.c this fragment might be NULL:
 
 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, SAM_ACCOUNT *user, const char *sname)
 {
         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
         LDAPMessage *result = NULL;
         LDAPMessage *entry = NULL;
         int count;
         char ** attr_list;
         int rc;
 
         attr_list = get_userattr_list( ldap_state->schema_ver );
         append_attr(&attr_list, get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP));
                                **************************************************************************
 
 I don't know why. The code should really contain an assertion and fail
 gracefully if get_userattr_key2string returns NULL.
 OTOH, it might be a LDAP-problem (either bug or you didn't setup the database correctly).
 
 On a brighter note, this isn't really a FreeBSD-specific issue, I'd guess #)
 Can you please post this problem (feel free to include my interpretation!) to the
 Samba-bugtracker? Don't forget to include the *full* gdb output. I'm going to suspend
 this PR until we have feedback from the Samba crowd.
 
 Cheers,
   Volker
 -- 
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