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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 44015] New: - Bug in util_ldap.c, mod_ldap
Date Tue, 04 Dec 2007 03:01:16 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=44015

           Summary: Bug in util_ldap.c, mod_ldap
           Product: Apache httpd-2
           Version: 2.2.6
          Platform: PC
        OS/Version: Windows 2000
            Status: NEW
          Severity: critical
          Priority: P2
         Component: mod_ldap
        AssignedTo: bugs@httpd.apache.org
        ReportedBy: agustin.herranz@alumnos.uva.es


First, sorry about my horrible english.
In util_ldap.c the max of returned entries for a search is defined as:

/* Default define for ldap functions that need a SIZELIMIT but
 * do not have the define
 * XXX This should be removed once a supporting #define is 
 *  released through APR-Util.
 */
#ifndef APR_LDAP_SIZELIMIT
#define APR_LDAP_SIZELIMIT -1
#endif

Thats make is mistaken sizelimit in a search request because acording to
http://www.ietf.org/rfc/rfc2251.txt size limit is defined as:

sizeLimit       INTEGER (0 .. maxInt),  and with
maxInt INTEGER ::= 2147483647 -- (2^^31 - 1) --

this is signed integer, not unsigned as supoused on util_ldap.c
On page 26 rfc2251 tells that a value of sizeLimit = 0 means no client sizelimit
restrictions. So APR_LDAP_SIZELIMIT should be:

/* Default define for ldap functions that need a SIZELIMIT but
 * do not have the define
 * XXX This should be removed once a supporting #define is 
 *  released through APR-Util.
 */
#ifndef APR_LDAP_SIZELIMIT
#define APR_LDAP_SIZELIMIT 0
#endif

I believe this issue could solve other bugs of ldap use.

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