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download PDF document: ldap_url_parse.3.pdf

LDAP_URL(3) FreeBSD 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.

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 University of Michigan LDAP 3.3 Release.
OpenLDAP 2.6.6 2023/07/31 LDAP_URL(3)