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RedHat 9 (Linux i386) - man page for ldap_kerberos_bind_s (redhat section 3)

LDAP_BIND(3)				       Library Functions Manual 				 LDAP_BIND(3)

NAME
ldap_bind, ldap_bind_s, ldap_simple_bind, ldap_simple_bind_s, ldap_kerberos_bind_s, ldap_kerberos_bind1, ldap_kerberos_bind1_s, ldap_kerberos_bind2, ldap_kerberos_bind2_s, ldap_unbind, ldap_unbind_s - LDAP bind rou- tines
SYNOPSIS
#include <ldap.h> int ldap_bind(ld, who, cred, method) LDAP *ld; char *who, *cred; int method; int ldap_bind_s(ld, who, cred, method) LDAP *ld; char *who, *cred; int method; int ldap_simple_bind(ld, who, passwd) LDAP *ld; char *who, *passwd; int ldap_simple_bind_s(ld, who, passwd) LDAP *ld; char *who, *passwd; int ldap_kerberos_bind_s(ld, who) LDAP *ld; char *who; int ldap_kerberos_bind1(ld, who) LDAP *ld; char *who; int ldap_kerberos_bind1_s(ld, who) LDAP *ld; char *who; int ldap_kerberos_bind2(ld, who) LDAP *ld; char *who; int ldap_kerberos_bind2_s(ld, who) LDAP *ld; char *who; int ldap_unbind(ld) LDAP *ld; int ldap_unbind_s(ld) LDAP *ld;
DESCRIPTION
These routines provide various interfaces to the LDAP bind operation. After a connection is made to an LDAP server using ldap_open(3), an LDAP bind operation must be performed before other operations can be attempted over the conection. Both synchronous and asynchronous versions of each variant of the bind call are provided. There are three types of calls, providing simple authentication, kerberos authentication, and general routines to do either one. All routines take ld as their first parameter, as returned from ldap_open(3).
SIMPLE AUTHENTICATION
The simplest form of the bind call is ldap_simple_bind_s(). It takes the DN to bind as in who, and the user- Password associated with the entry in passwd. It returns an LDAP error indication (see ldap_error(3)). The ldap_simple_bind() call is asynchronous, taking the same parameters but only initiating the bind operation and returning the message id of the request it sent. The result of the operation can be obtained by a subsequent call to ldap_result(3).
KERBEROS AUTHENTICATION
If the LDAP library and LDAP server being contacted have been compiled with the KERBEROS option defined, Ker- beros version 4 authentication can be accomplished by calling the ldap_kerberos_bind_s() routine. It assumes the user already has obtained a ticket granting ticket. It takes who, the DN of the entry to bind as. This routine does both steps of the kerberos binding process synchronously. The ldap_kerberos_bind1_s() and ldap_kerberos_bind2_s() routines allow synchronous access to the individual steps, authenticating to the LDAP server and DSA, respectively. The ldap_kerberos_bind1() and ldap_kerberos_bind2() routines provide equivalent asynchronous access.
GENERAL AUTHENTICATION
The ldap_bind() and ldap_bind_s() routines can be used when the authentication method to use needs to be selected at runtime. They both take an extra method parameter selecting the authentication method to use. It should be set to one of LDAP_AUTH_SIMPLE, LDAP_AUTH_KRBV41, or LDAP_AUTH_KRBV42, to select simple authentica- tion, kerberos authentication to the LDAP server, or kerberos authentication to the DSA, respectively. ldap_bind() returns the message id of the request it initiates. ldap_bind_s() returns an LDAP error indica- tion.
UNBINDING
The ldap_unbind() call is used to unbind from the directory, terminate the current association, and free the resources contained in the ld structure. Once it is called, the connection to the LDAP server is closed, and the ld structure is invalid. The ldap_unbind_s() call is just another name for ldap_unbind(); both of these calls are synchronous in nature.
ERRORS
Asynchronous routines will return -1 in case of error, setting the ld_errno parameter of the ld structure. Synchronous routines return whatever ld_errno is set to. See ldap_error(3) for more information.
SEE ALSO
ldap(3), ldap_error(3), ldap_open(3)
ACKNOWLEDGEMENTS
OpenLDAP is developed and maintained by The OpenLDAP Project (http://www.openldap.org/). OpenLDAP is derived from University of Michigan LDAP 3.3 Release. OpenLDAP 2.0.27-Release 22 September 1998 LDAP_BIND(3)


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