3 * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
7 * Copyright (c) 1993 Regents of the University of Michigan.
14 * BindRequest ::= SEQUENCE {
16 * name DistinguishedName, -- who
17 * authentication CHOICE {
18 * simple [0] OCTET STRING -- passwd
19 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
20 * krbv42ldap [1] OCTET STRING
21 * krbv42dsa [2] OCTET STRING
23 * sasl [3] SaslCredentials -- LDAPv3
27 * BindResponse ::= SEQUENCE {
28 * COMPONENTS OF LDAPResult,
29 * serverSaslCreds OCTET STRING OPTIONAL -- LDAPv3
36 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
39 #include <ac/stdlib.h>
42 #include <ac/socket.h>
43 #include <ac/string.h>
49 * ldap_kerberos_bind1 - initiate a bind to the ldap server using
50 * kerberos authentication. The dn is supplied. It is assumed the user
51 * already has a valid ticket granting ticket. The msgid of the
52 * request is returned on success (suitable for passing to ldap_result()),
53 * -1 is returned if there's trouble.
56 * ldap_kerberos_bind1( ld, "cn=manager, o=university of michigan, c=us" )
59 ldap_kerberos_bind1( LDAP *ld, LDAP_CONST char *dn )
68 LDAP_LOG ( OPERATION, ENTRY, "ldap_kerberos_bind1\n", 0, 0, 0 );
70 Debug( LDAP_DEBUG_TRACE, "ldap_kerberos_bind1\n", 0, 0, 0 );
73 if( ld->ld_version > LDAP_VERSION2 ) {
74 ld->ld_errno = LDAP_NOT_SUPPORTED;
81 if ( (cred = ldap_get_kerberosv4_credentials( ld, dn, "ldapserver",
82 &credlen )) == NULL ) {
83 return( -1 ); /* ld_errno should already be set */
86 /* create a message to send */
87 if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
92 LDAP_NEXT_MSGID( ld, id );
94 rc = ber_printf( ber, "{it{istoN}N}", id, LDAP_REQ_BIND,
95 ld->ld_version, dn, LDAP_AUTH_KRBV41, cred, credlen );
100 ld->ld_errno = LDAP_ENCODING_ERROR;
107 /* send the message */
108 return ( ldap_send_initial_request( ld, LDAP_REQ_BIND, dn, ber, id ));
112 ldap_kerberos_bind1_s( LDAP *ld, LDAP_CONST char *dn )
118 LDAP_LOG ( OPERATION, ENTRY, "ldap_kerberos_bind1_s\n", 0, 0, 0 );
120 Debug( LDAP_DEBUG_TRACE, "ldap_kerberos_bind1_s\n", 0, 0, 0 );
123 /* initiate the bind */
124 if ( (msgid = ldap_kerberos_bind1( ld, dn )) == -1 )
125 return( ld->ld_errno );
127 /* wait for a result */
128 if ( ldap_result( ld, ld->ld_msgid, 1, (struct timeval *) 0, &res )
130 return( ld->ld_errno ); /* ldap_result sets ld_errno */
133 return( ldap_result2error( ld, res, 1 ) );
137 * ldap_kerberos_bind2 - initiate a bind to the X.500 server using
138 * kerberos authentication. The dn is supplied. It is assumed the user
139 * already has a valid ticket granting ticket. The msgid of the
140 * request is returned on success (suitable for passing to ldap_result()),
141 * -1 is returned if there's trouble.
144 * ldap_kerberos_bind2( ld, "cn=manager, o=university of michigan, c=us" )
147 ldap_kerberos_bind2( LDAP *ld, LDAP_CONST char *dn )
156 LDAP_LOG ( OPERATION, ENTRY, "ldap_kerberos_bind2\n", 0, 0, 0 );
158 Debug( LDAP_DEBUG_TRACE, "ldap_kerberos_bind2\n", 0, 0, 0 );
161 if( ld->ld_version > LDAP_VERSION2 ) {
162 ld->ld_errno = LDAP_NOT_SUPPORTED;
169 if ( (cred = ldap_get_kerberosv4_credentials( ld, dn, "x500dsa", &credlen ))
171 return( -1 ); /* ld_errno should already be set */
174 /* create a message to send */
175 if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
180 LDAP_NEXT_MSGID( ld, id );
182 rc = ber_printf( ber, "{it{istoN}N}", id, LDAP_REQ_BIND,
183 ld->ld_version, dn, LDAP_AUTH_KRBV42, cred, credlen );
189 ld->ld_errno = LDAP_ENCODING_ERROR;
193 /* send the message */
194 return ( ldap_send_initial_request( ld, LDAP_REQ_BIND, dn, ber, id ));
197 /* synchronous bind to DSA using kerberos */
199 ldap_kerberos_bind2_s( LDAP *ld, LDAP_CONST char *dn )
205 LDAP_LOG ( OPERATION, ENTRY, "ldap_kerberos_bind2_s\n" , 0, 0, 0);
207 Debug( LDAP_DEBUG_TRACE, "ldap_kerberos_bind2_s\n", 0, 0, 0 );
210 /* initiate the bind */
211 if ( (msgid = ldap_kerberos_bind2( ld, dn )) == -1 )
212 return( ld->ld_errno );
214 /* wait for a result */
215 if ( ldap_result( ld, ld->ld_msgid, 1, (struct timeval *) 0, &res )
217 return( ld->ld_errno ); /* ldap_result sets ld_errno */
220 return( ldap_result2error( ld, res, 1 ) );
223 /* synchronous bind to ldap and DSA using kerberos */
225 ldap_kerberos_bind_s( LDAP *ld, LDAP_CONST char *dn )
230 LDAP_LOG ( OPERATION, ENTRY, "ldap_kerberos_bind_s\n", 0, 0, 0 );
232 Debug( LDAP_DEBUG_TRACE, "ldap_kerberos_bind_s\n", 0, 0, 0 );
235 if ( (err = ldap_kerberos_bind1_s( ld, dn )) != LDAP_SUCCESS )
238 return( ldap_kerberos_bind2_s( ld, dn ) );
244 * ldap_get_kerberosv4_credentials - obtain kerberos v4 credentials for ldap.
245 * The dn of the entry to which to bind is supplied. It's assumed the
246 * user already has a tgt.
250 ldap_get_kerberosv4_credentials(
252 LDAP_CONST char *who,
253 LDAP_CONST char *service,
258 char realm[REALM_SZ], *cred, *krbinstance;
261 LDAP_LOG ( OPERATION, ENTRY, "ldap_get_kerberosv4_credentials\n", 0, 0, 0 );
263 Debug( LDAP_DEBUG_TRACE, "ldap_get_kerberosv4_credentials\n", 0, 0, 0 );
266 if ( (err = krb_get_tf_realm( tkt_string(), realm )) != KSUCCESS ) {
268 LDAP_LOG ( OPERATION, ERR,
269 "ldap_get_kerberosv4_credentials: krb_get_tf_realm failed: %s\n",
270 krb_err_txt[err], 0, 0 );
272 Debug( LDAP_DEBUG_ANY, "ldap_get_kerberosv4_credentials: "
273 "krb_get_tf_realm failed: %s\n", krb_err_txt[err], 0, 0 );
275 ld->ld_errno = LDAP_AUTH_UNKNOWN;
279 if ( ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, NULL ) == -1 ) {
280 /* not connected yet */
281 int rc = ldap_open_defconn( ld );
283 if( rc < 0 ) return NULL;
286 krbinstance = ld->ld_defconn->lconn_krbinstance;
288 if ( (err = krb_mk_req( &ktxt, service, krbinstance, realm, 0 ))
292 LDAP_LOG ( OPERATION, ERR,
293 "ldap_get_kerberosv4_credentials: krb_mk_req failed: %s\n",
294 krb_err_txt[err], 0, 0 );
296 Debug( LDAP_DEBUG_ANY, "ldap_get_kerberosv4_credentials: "
297 "krb_mk_req failed (%s)\n", krb_err_txt[err], 0, 0 );
299 ld->ld_errno = LDAP_AUTH_UNKNOWN;
303 if ( ( cred = LDAP_MALLOC( ktxt.length )) == NULL ) {
304 ld->ld_errno = LDAP_NO_MEMORY;
309 AC_MEMCPY( cred, ktxt.dat, ktxt.length );
314 #endif /* !AUTHMAN */
315 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND */