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Re: JNDI client crashes slapd when binding across referral (slapd debug)

I'm assuming result.c is a sourcecode file? Have you opened it up at all and looked at it, I'm not an OpenLDAP developer, just a user. I hadn't anticipated running into a problem like this. I'm curious as well, when you set up a master/slave replication. Is there any referral type attributes produced in the slave or master entries?

I'm assuming my problem arises due to changes between LDAP version 2 and 3 in how referrals are handled. If I force my connection to LDAP version 2 protocol, I don't encounter the crash, but then I don't get the same referral behaviour available in version 3.

Chris Burnley wrote:

Mark, in my post a couple of weeks ago,
http://www.openldap.org/lists/openldap-bugs/200103/msg00045.html, I
described the same behviour, but I have no referrals.

Mine appears on result.c:289 not :285 though ...

Would be keen to find out what the problem is.

Mark Diggory wrote:

I've posted this issue on the software site with some output. Here I
will provide all the debugging info I know how to get from both JNDI and
slapd as well as client code and example ldif entries. This issue
arrises on version 2.0.7 with JNDI client version 1.2 and LDAP service
provider 1.2.2 or 1.2.1 I'm binding using LDAP version3 protocols. slap
crashes during attempt to bind to an entry who's dn contains a referral
to another server.

here is the slapd output with debug set to -1

daemon: activity on 1 descriptors
daemon: activity on: 10r
daemon: read activity on 10
connection_get(10)
connection_get(10): got connid=1
connection_read(10): checking for input on id=1
ber_get_next
sockbuf_read: want=1, got=1
  0000:  30                                                 0
sockbuf_read: want=1, got=1
  0000:  3b                                                 ;
sockbuf_read: want=59, got=59
  0000:  02 01 02 63 36 04 16 6f  75 3d 76 64 63 69 64 2c   ...c6..ou=vdcid,
  0010:  6f 75 3d 68 6d 64 63 2c  6f 3d 76 64 63 0a 01 02   ou=hmdc,o=vdc...
  0020:  0a 01 03 02 01 00 02 01  00 01 01 00 87 0b 6f 62   ..............ob
  0030:  6a 65 63 74 43 6c 61 73  73 30 00                  jectClass0.
ber_get_next: tag 0x30 len 59 contents:
ber_dump: buf=0x08176388 ptr=0x08176388 end=0x081763c3 len=59
  0000:  02 01 02 63 36 04 16 6f  75 3d 76 64 63 69 64 2c   ...c6..ou=vdcid,
  0010:  6f 75 3d 68 6d 64 63 2c  6f 3d 76 64 63 0a 01 02   ou=hmdc,o=vdc...
  0020:  0a 01 03 02 01 00 02 01  00 01 01 00 87 0b 6f 62   ..............ob
  0030:  6a 65 63 74 43 6c 61 73  73 30 00                  jectClass0.
ber_get_next
sockbuf_read: want=1 error=Resource temporarily unavailable
ber_get_next on fd 10 failed errno=11 (Resource temporarily unavailable)
do_search
ber_scanf fmt ({aiiiib) ber:
ber_dump: buf=0x08176388 ptr=0x0817638b end=0x081763c3 len=56
  0000:  63 36 04 16 6f 75 3d 76  64 63 69 64 2c 6f 75 3d   c6..ou=vdcid,ou=
  0010:  68 6d 64 63 2c 6f 3d 76  64 63 0a 01 02 0a 01 03   hmdc,o=vdc......
  0020:  02 01 00 02 01 00 01 01  00 87 0b 6f 62 6a 65 63   ...........objec
  0030:  74 43 6c 61 73 73 30 00                            tClass0.
SRCH "ou=vdcid,ou=hmdc,o=vdc" 2 3    0 0 0
begin get_filter
PRESENT
ber_scanf fmt (o) ber:
ber_dump: buf=0x08176388 ptr=0x081763b4 end=0x081763c3 len=15
  0000:  87 0b 6f 62 6a 65 63 74  43 6c 61 73 73 30 00      ..objectClass0.
end get_filter 0
    filter: (objectClass=*)
ber_scanf fmt ({v}}) ber:
ber_dump: buf=0x08176388 ptr=0x081763c1 end=0x081763c3 len=2
  0000:  30 00                                              0.
    attrs:
conn=1 op=1 SRCH base="ou=vdcid,ou=hmdc,o=vdc" scope=2 filter="(objectClass=*)"
=> ldbm_back_search
dn2entry_r: dn: "OU=VDCID,OU=HMDC,O=VDC"
=> dn2id( "OU=VDCID,OU=HMDC,O=VDC" )
=> ldbm_cache_open( "/usr/local/var/openldap-ldbm/dn2id.dbb", 7, 600 )
<= ldbm_cache_open (cache 0)
<= dn2id NOID
dn2entry_r: dn: "OU=HMDC,O=VDC"
=> dn2id( "OU=HMDC,O=VDC" )
====> cache_find_entry_dn2id("OU=HMDC,O=VDC"): 1136 (1 tries)
<= dn2id 1136 (in cache)
=> id2entry_r( 1136 )
entry_rdwr_rtrylock: ID: 1136
====> cache_find_entry_id( 1136 ) "ou=hmdc, o=vdc" (found) (1 tries)
<= id2entry_r( 1136 ) 0x81770e0 (cache)
entry_rdwr_runlock: ID: 1136
====> cache_return_entry_r( 1136 ): returned (0)
send_ldap_result: conn=1 op=1 p=3
send_ldap_result: 32:ou=hmdc, o=vdc:
send_ldap_result: referral: ldap://vdc.fas.harvard.edu/ou=hmdc,o=vdc
send_ldap_response: msgid=2 tag=101 err=32
send_ldap_response: ref=ldap://vdc.fas.harvard.edu/ou=hmdc,o=vdc
slapd: result.c:285: send_ldap_response: Assertion `err == 0x0a' failed.
Abort
[mdiggory@lorien libexec]$