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LDAP_URL(3) Library Functions Manual 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 compo-
nent 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 the Uni-
versity of Michigan LDAP 3.3 Release.
OpenLDAP 2.4.46 2018/03/22 LDAP_URL(3)
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