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LDAP_URL(3)                                                                                      LDAP_URL(3)



NAME
       ldap_is_ldap_url, ldap_url_parse, ldap_free_urldesc - LDAP Uniform Resource Locator routines

LIBRARY
       OpenLDAP LDAP (libldap, -lldap)

SYNOPSIS
       #include <ldap.h>

       int ldap_is_ldap_url( const char *url )

       int ldap_url_parse( const char *url, LDAPURLDesc **ludpp )

       typedef struct ldap_url_desc {
           char *      lud_scheme;     /* URI scheme */
           char *      lud_host;       /* LDAP host to contact */
           int         lud_port;       /* port on host */
           char *      lud_dn;         /* base for search */
           char **     lud_attrs;      /* list of attributes */
           int         lud_scope;      /* a LDAP_SCOPE_... value */
           char *      lud_filter;     /* LDAP search filter */
           char **     lud_exts;       /* LDAP extensions */
           int         lud_crit_exts;  /* true if any extension is critical */
           /* may contain additional fields for internal use */
       } LDAPURLDesc;

       void ldap_free_urldesc( LDAPURLDesc *ludp );

DESCRIPTION
       These  routines  support  the  use  of LDAP URLs (Uniform Resource Locators) as detailed in RFC 4516.
       LDAP URLs look like this:

         ldap://hostport/dn[?attrs[?scope[?filter[?exts]]]]

       where:
         hostport is a host name with an optional ":portnumber"
         dn is the search base
         attrs is a comma separated list of attributes to request
         scope is one of these three strings:
           base one sub (default=base)
         filter is filter
         exts are recognized set of LDAP and/or API extensions.

       Example:
         ldap://ldap.example.net/dc=example,dc=net?cn,sn?sub?(cn=*)


       URLs that are wrapped in angle-brackets and/or preceded by "URL:" are  also  tolerated.   Alternative
       LDAP schemes such as ldaps:// and ldapi:// may be parsed using the below routines as well.

       ldap_is_ldap_url()  returns  a non-zero value if url looks like an LDAP URL (as opposed to some other
       kind of URL).  It can be used as a quick check for an LDAP URL; the ldap_url_parse()  routine  should
       be used if a more thorough check is needed.

       ldap_url_parse()  breaks  down  an  LDAP URL passed in url into its component pieces.  If successful,
       zero is returned, an LDAP URL description is allocated, filled in, and ludpp is set to point  to  it.
       If an error occurs, a non-zero URL error code is returned.

       ldap_free_urldesc() should be called to free an LDAP URL description that was obtained from a call to
       ldap_url_parse().

SEE ALSO
       ldap(3)
       RFC 4516 <http://www.rfc-editor.org/rfc/rfc4516.txt>

ACKNOWLEDGEMENTS
       OpenLDAP Software is developed and maintained by  The  OpenLDAP  Project  <http://www.openldap.org/>.
       OpenLDAP Software is derived from University of Michigan LDAP 3.3 Release.



OpenLDAP 2.4.11                                  2008/07/16                                      LDAP_URL(3)