ldap_simple_bind man page on SmartOS

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       ldap_bind,  ldap_bind_s,	 ldap_sasl_bind,  ldap_sasl_bind_s,  ldap_sim‐
       ple_bind,     ldap_simple_bind_s,      ldap_unbind,	ldap_unbind_s,
       ldap_unbind_ext,	 ldap_set_rebind_proc,	ldap_sasl_interactive_bind_s -
       LDAP bind functions

       cc [ flag... ] file... -lldap [ library... ]
       #include <lber.h>
       #include <ldap.h>

       int ldap_bind(LDAP *ld, char *who, char *cred, int method);

       int ldap_bind_s(LDAP *ld, char *who, char *cred, int method);

       int ldap_simple_bind(LDAP *ld, char *who, char *passwd);

       int ldap_simple_bind_s(LDAP *ld, char *who, char *passwd);

       int ldap_unbind(LDAP *ld);

       int ldap_unbind_s(LDAP *ld);

       int ldap_unbind_ext(LDAP *ld, LDAPControl **serverctrls,
	    LDAPControl **clientctrls);

       void ldap_set_rebind_proc(LDAP *ld, int (*rebindproc);

       int ldap_sasl_bind(LDAP *ld, char *dn, char *mechanism,
	    struct berval **serverctrls, LDAPControl **clientctrls,
	    int *msgidp);

       int ldap_sasl_bind_s(LDAP *ld, char *dn, char *mechanism,
	    struct berval *cred, LDAPControl **serverctrls,
	    LDAPControl **clientctrls);

       int ldap_sasl_interactive_bind_s(LDAP *ld, char *dn,
	    char *saslMechanism, LDAPControl **sctrl, LDAPControl **cctrl,
	    LDAPControl **unsigned flags, LDAP_SASL_INTERACT_PROC *callback,
	    void *defaults);

       These functions provide various interfaces to the LDAP bind  operation.
       After  a connection is made to an LDAP server, the ldap_bind() function
       returns the message ID of  the  request	initiated.  The	 ldap_bind_s()
       function returns an LDAP error code.

   Simple Authentication
       The  simplest  form of the bind call is ldap_simple_bind_s(). The func‐
       tion takes the DN (Distinguished Name) of  the  dn  parameter  and  the
       userPassword  associated	 with  the  entry  in passwd to return an LDAP
       error code. See ldap_error(3LDAP).

       The ldap_simple_bind() call is asynchronous.  The  function  takes  the
       same  parameters	 as ldap_simple_bind_s() but initiates the bind opera‐
       tion and returns the message ID of the request sent. The result of  the
       operation can be obtained by a subsequent call to ldap_result(3LDAP).

   General Authentication
       The  ldap_bind()	 and  ldap_bind_s()  functions	are used to select the
       authentication method at runtime. Both functions take an	 extra	method
       parameter  to set the authentication method. For simple authentication,
       the method parameter is set to LDAP_AUTH_SIMPLE. The ldap_bind()	 func‐
       tion returns the message id of the request initiated. The ldap_bind_s()
       function returns an LDAP error code.

   SASL Authentication
       The ldap_sasl_bind() and ldap_sasl_bind_s() functions are used for gen‐
       eral  and  extensible  authentication  over LDAP through the use of the
       Simple Authentication Security Layer. The routines both take the DN  to
       bind as the authentication method. A dotted-string representation of an
       OID identifies the method, and the berval structure holds  the  creden‐
       tials.  The  special constant value LDAP_SASL_SIMPLE ("") can be passed
       to request simple  authentication.  Otherwise,  the  ldap_simple_bind()
       function or the ldap_simple_bind_s() function can be used.

       The  ldap_sasl_interactive_bind_s()  helper function takes its data and
       performs the necessary ldap_sasl_bind()	and  associated	 SASL  library
       authentication  sequencing  with the LDAP server that uses the provided
       connection (ld).

       Upon a successful bind, the ldap_sasl_bind() function will, if  negoti‐
       ated  by	 the  SASL  interface,	install the necessary internal libldap
       plumbing to enable SASL integrity and privacy (over  the	 wire  encryp‐
       tion) with the LDAP server.

       The  LDAP_SASL_INTERACTIVE  option  flag	 is  passed to the libldap API
       through the flags argument of the API. The flag tells the  API  to  use
       the  SASL interactive mode and to have the API request SASL authentica‐
       tion data through the LDAP_SASL_INTERACTIVE_PROC	 callback  as  needed.
       The callback provided is in the form:

	     (LDAP *ld, unsigned flags, void* defaults, void *interact);

       The  user-provided  SASL callback is passed to the current LDAP connec‐
       tion pointer, the current flags field, an  optional  pointer  to	 user-
       defined	data,  and  the	 list of sasl_interact_t authentication values
       requested by libsasl(3LIB) to complete authentication.

       The user-defined	 callback  collects  and  returns  the	authentication
       information  in	the  sasl_interact_t array according to libsasl rules.
       The authentication information can include user IDs, passwords, realms,
       or  other  information defined by SASL. The SASL library uses this date
       during sequencing to complete authentication.

       The ldap_unbind() call is used to unbind from a directory, to terminate
       the  current association, and to free the resources contained in the ld
       structure. Once the function is called,	the  connection	 to  the  LDAP
       server  is  closed and the ld structure is invalid. The ldap_unbind_s()
       and ldap_unbind() calls are identical and synchronous in nature.

       The ldap_unbind_ext() function is used to unbind from a	directory,  to
       terminate  the current association, and to free the resources contained
       in the LDAP structure. Unlike ldap_unbind() and	ldap_unbind_s(),  both
       server	and   client   controls	  can	be  explicitly	included  with
       ldap_unbind_ext() requests. No server response is  made	to  an	unbind
       request	and  responses	should	not  be	 expected from server controls
       included with unbind requests.

   Rebinding While Following Referral
       The ldap_set_rebind_proc() call is used to set a function  called  back
       to  obtain bind credentials. The credentials are used when a new server
       is contacted after an LDAP referral. If ldap_set_rebind_proc() is never
       called,	or  if it is called with a NULL rebindproc parameter, an unau‐
       thenticated simple LDAP bind is always done when chasing referrals.

       The rebindproc() function is declared as shown below:

	 int rebindproc(LDAP *ld, char **whop, char **credp,
	     int *methodp, int freeit);

       The LDAP library first calls the rebindproc() to	 obtain	 the  referral
       bind  credentials.  The	freeit parameter is zero. The whop, credp, and
       methodp parameters  should  be  set  as	appropriate.  If  rebindproc()
       returns	LDAP_SUCCESS, referral processing continues.  The rebindproc()
       is called a second time with a non-zero freeit value to give the appli‐
       cation a chance to free any memory allocated in the previous call.

       If  anything  but LDAP_SUCCESS is returned by the first call to rebind‐
       proc(), referral processing is stopped and the error code  is  returned
       for the original LDAP operation.

       Make a call to ldap_result(3LDAP) to obtain the result of a bind opera‐

       Asynchronous  functions	will  return  −1  in  case   of	  error.   See
       ldap_error(3LDAP)  for  more information on error codes returned. If no
       credentials are returned, the result parameter is set to NULL.

       See attributes(5) for descriptions of the following attributes:

       │Interface Stability │ Evolving	      │
       │MT-Level	    │ Safe	      │

       ldap(3LDAP), ldap_error(3LDAP),	ldap_open(3LDAP),  ldap_result(3LDAP),
       libsasl(3LIB), attributes(5)

				 Jan 14, 2004		      LDAP_BIND(3LDAP)

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